WO2001011754A1 - Dispositif electrique avec chargeur de batterie et procede de charge et decharge correspondant - Google Patents
Dispositif electrique avec chargeur de batterie et procede de charge et decharge correspondant Download PDFInfo
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- WO2001011754A1 WO2001011754A1 PCT/JP2000/005141 JP0005141W WO0111754A1 WO 2001011754 A1 WO2001011754 A1 WO 2001011754A1 JP 0005141 W JP0005141 W JP 0005141W WO 0111754 A1 WO0111754 A1 WO 0111754A1
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- Prior art keywords
- battery
- charging
- unit
- information
- electric device
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/15—Preventing overcharging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/80—Time limits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/10—Driver interactions by alarm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
Definitions
- the present invention relates to an electric device such as an electric motorcycle such as an electric motorcycle or an electric wheelchair powered by electric energy using a battery as a power source, a charging device for charging the battery unit, and a method for charging and discharging the battery unit. It is about. Background technology
- Some electric vehicles such as electric motorcycles and electric wheelchairs, are equipped with a battery pack composed of a plurality of batteries as a power source.
- a motor is driven by electric energy (electric power) from a battery installed in the vehicle, and the vehicle runs only with the driving force, or the combined power of the driving force of the motor and human power
- an electric device such as an electric vehicle may need to be equipped with a large-capacity storage battery that is heavier than the weight of the vehicle body.
- a large-capacity storage battery that is heavier than the weight of the vehicle body.
- vehicles that are electric devices are also equipped with a charging device, and a method is used in which the vehicle is moved near a commercial power source to charge the vehicle.
- a method of removing the storage battery from the vehicle and connecting it to a separately installed charging device to charge the battery may be adopted.
- FIGS. 15 to 17 show examples of an electric device in which a battery unit and its charging device are fixedly mounted.
- Each of the electric devices 200, 210, 220 has a charging device 201, a battery unit 202, a control device 203, and a driving device 204 connected in parallel.
- An electric motor (motor) 205 driven by the driving device to drive a traveling unit such as wheels.
- These electric devices supply electric power from the discharge of the battery unit 202 to the driving device 204, drive the electric motor 205, and use the power to drive a traveling unit such as wheels.
- the control device 203 controls the operation of the drive device 204.
- the electric device 200 shown in FIG. 15 has, for example, a battery pack 202a made of a lead storage battery as the battery unit 202, and is widely used in electric wheelchairs, electric scooters, and the like. I have.
- the assembled battery 202a is a lead-acid battery
- the weight of the battery part 202 is as heavy as about 30 to 6 O kg.
- the electric device 210 shown in FIG. 16 includes a plurality of battery packs 202 a as a battery unit 202, and a battery pack 202 a in which n single batteries are connected in series. Are connected in m columns in parallel to form the battery unit 202.
- the electric device 220 shown in FIG. 17 is a battery unit 202 in which a plurality (m) of battery units 202 b are connected in parallel and mounted.
- 0 2 b is configured by connecting n single storage batteries in series.
- These electric devices 210 and 220 are electric forklifts that require a large capacity or a large power source, such as electric vehicles that operate for a long time or electric devices that move heavy objects. It is often used for cars. In many cases, the weight of the battery section 202 exceeds 60 kg.
- these electric devices 200, 210, and 220 each include a battery unit 202 and a charging device 201 for charging the same, the battery unit When charging the storage battery 202 a or battery unit 202 b, the electric device The vehicle is moved or transported together with the vehicle near the commercial power supply 100, the commercial power supply 100 is connected to the charging device 201, and the charging current is charged by the charging device 201 to the storage battery unit 202. To be carried out. Alternatively, the battery unit 202 can be removed from the vehicle and charged by a dedicated device.
- the electric devices 210 and 220 shown in FIGS. 16 and 17 are each composed of a plurality of battery packs 202 a or battery pack units 20 constituting each battery unit 202. It is also possible to charge and discharge 2 b as one unit.
- each of the electric devices 300, 310, and 320 shown in (A) of FIGS. 18 to 20 respectively do not have a charging device, and each of the electric devices shown in (B) of FIG.
- the device 301 is provided in a garage or service area.
- each battery section 302 in FIGS. 18, 19, and 20 is the same as each battery section 202 in FIGS. 15, 16, and 17, respectively.
- Battery unit 302a or battery unit 300b but it is a unit that can be attached to and detached from the main body of the electric motors 300, 310, and 320.
- the connector is provided with connectors 306a and 306b for electrical connection with the main unit.
- Other configurations are the same as those of the electric device shown in FIGS. 15 to 17.
- the battery unit 302 When charging the battery unit 302 detachably mounted on these electric devices 300, 310, 320, the battery unit 302 is removed from the main body of the device and moved. As shown in (B) of Fig. 18, Fig. 19 and Fig. 20, respectively, the battery is charged by attaching it to the charging device 301 which is separately installed and connected to the commercial power source 100.
- a nickel / metal dome having a relatively light weight of about 1.8 to 3.5 kg is used as the battery pack 302a or the battery pack unit 302b of the battery section 302, for example.
- (Ni-Cd) batteries are used and are often installed in electric assist bicycles.
- the battery unit When the battery capacity and supply power of the battery unit are not so required, as in the electric assist bicycle, the battery unit has a weight that can be easily carried by human power. It is easy to remove the battery from the vehicle and charge it.
- the electric device (vehicle) itself must be moved to a place where a rechargeable power source such as a commercial power source is available to charge it.
- a rechargeable power source such as a commercial power source
- the state of charge of the storage battery in the battery unit is a predetermined specified value (battery specification ⁇ ). If it becomes unusable below the value determined by the requirements of the electric equipment, etc., the electric equipment itself becomes unusable even if other control devices and drive devices can be used. Therefore, if the battery unit can be removed, the disabled battery unit must be replaced with another battery unit before use.
- the motorized device can be used unless a charging device with a sufficiently large capacity is used The problem is that it takes a long time to charge the battery until it reaches the state.
- the battery unit is composed of a plurality of assembled batteries or assembled battery units, such as the electric device shown in FIGS. 17 and 18 or FIGS. 19 and 20 described above. In the case where the battery is connected, it is necessary to keep the variation within the allowable range ⁇ or to control the variation so as not to cause variation in the amount of charge for each battery pack or battery unit. Means are needed.
- Ni-Cd nickel-cadmium
- NiMH nickel-hydrogen
- battery packs of the required capacity are mounted in a divided form, and the battery packs can be connected in series or in parallel, and charged or discharged alone or in combination as necessary. This improves the heat dissipation from the battery pack during charging and discharging, reduces the causes of deterioration due to heat, extends the life of the battery pack, and facilitates the remaining capacity and charge state of the battery pack.
- a power supply method and device for electric vehicles that can be known have been proposed (see Japanese Patent Application Laid-Open No. 9-198805).
- the electric vehicle When the load is large at the time of starting and accelerating, the electric vehicle is connected in parallel to each other to discharge a large current, and when the load is small, such as when running at a constant speed after starting, A small current is discharged by a single battery or a plurality of batteries as needed.
- the plurality of assembled batteries are mounted on a vehicle and fixed so as not to contact each other.
- each battery pack in this electric vehicle is based on the use of a fully charged battery pack.When one of the battery packs is discharged and the capacity of the battery pack is exhausted, the following occurs. This is performed by discharging the battery pack.
- the electric vehicle discharges a plurality of battery packs one by one, and when the discharge is completed, the remaining capacity of the remaining battery packs can be displayed, whereby the battery packs in the entire device can be displayed. To easily know the remaining capacity.
- the device is controlled so that the battery pack is charged in the reverse order of discharging. In other words, charging must be performed until full charge.
- the battery management is a uniform order management. With the battery removed, the charge / discharge status was checked, and optimal charge control could not be performed.
- the battery characteristics of the battery section can be managed, and charging and discharging can be freely selected according to the battery characteristics.
- ⁇ Prevent the memory effect when using a secondary battery (storage battery) that produces a so-called memory effect, such as a Ni-Cd battery, as the battery part of the electric device, and eliminate the need for refresh.
- ⁇ Improve the accuracy of detecting the charging / discharging status of each storage battery in multiple battery units.
- a charging device is installed on a battery stand, etc. to make charging more convenient, and even if the battery unit is removed from the motorized device, the charging / discharging status can be known with high accuracy, and optimal charging control is performed. enable.
- the regenerative power from the load side such as a motor is returned to the battery unit so that it can be used effectively. Disclosure of the invention
- the present invention provides the following electric device, a charging device for charging the battery unit, and a method for charging and discharging the battery unit.
- An electric device according to the present invention comprises a pair of a battery pack and a storage means for storing at least information on the charge / discharge status of the battery pack, and electrically connects the battery pack and the storage means to the outside.
- This is an electric device having a battery unit provided with a plurality of terminals for connection.
- the battery unit may include a charging means for charging the battery pack.
- a switch connected in series with the battery pack may be provided in the battery unit, and a terminal for connecting a control terminal of the switch to the outside may be provided.
- the assembled battery includes various secondary batteries such as nickel-cadmium batteries and nickel-metal hydride batteries.
- the storage device is a non-volatile memory such as an EEPROM, a flash ROM, and a RAM backed up by a battery, and is provided at least by a charging unit or a control unit provided in the battery unit or on the side of the electric device body.
- Various types of information including information on the charge / discharge status of the battery pack are written.
- information on the type and characteristics of the assembled battery can be written in advance.
- the battery unit refers to the information stored in its storage means to accurately determine the charging and discharging status of the built-in battery pack.
- the battery unit can be known at all times it is possible to perform an appropriate charge and discharge control c electric device according to the invention also in pairs and storage means for storing information about charge and discharge conditions of at least said set accumulator and the set battery
- a plurality of battery units provided in this way are detachably mounted, and each battery unit and the battery unit mounting part on the device body side are electrically connected to and separated from the device body side as the battery unit is attached and detached.
- connection means for performing the following.
- a driving unit for driving the load a charging unit for charging the battery pack with reference to the information stored in the storage unit of each mounted battery unit, and a mounting unit for each mounted battery unit.
- Control means for controlling the supply of power from each of the battery units to the drive means with reference to the information stored in the storage means.
- a plurality of detachably mounted battery units each integrating an assembled battery, at least storage means for storing information on the charge / discharge status of the assembled battery, and charging means for charging the assembled battery are provided.
- a connection means is provided between each of the battery units and the battery unit mounting portion of the device body for electrically connecting and disconnecting the battery unit with the device body when the battery unit is attached and detached.
- driving means for controlling the supply of electric power from each of the battery units to the driving means with reference to the information stored in the storage means of each of the mounted battery units. You may.
- the charging means of each battery unit has means for determining a charging order by mutually referring to information stored in the storage means of each mounted battery unit.
- the battery pack and a storage means for storing at least information on the charge / discharge status of the battery pack are configured as a pair, and a switch connected in series with the battery pack is provided.
- a plurality of battery units are detachably mounted, and each battery unit and the battery unit mounting part on the device main unit are electrically connected to and detached from the device main unit as the battery unit is attached and detached.
- a plurality of battery units are detachably mounted, and suitable for discharging based on the information on the charge / discharge status of the battery pack stored in the storage means provided in each of the battery units.
- One or a plurality of battery units can be selected and discharged to supply power to the drive unit.
- the charging unit provided on the device body side, the charging device provided in each battery unit, or the charging device provided in a charging stand or the like is used to charge the battery unit. Based on the information on the charging / discharging status of the battery pack stored in the storage device, the battery can be selectively charged to one or more battery units while performing optimal charge control.
- the charging means provided separately from the battery unit can also be constituted as a unit detachable from the electric device main body, whereby one or more charging means (charging units) are provided.
- the battery unit can be recharged by removing it from the electric device together with a plurality of battery units.
- these charging means are means for reading out information on the charge / discharge status of the battery pack stored in the storage means of each of the battery units, and storing the charge / discharge status of the battery pack in the same unit in the storage means. It is desirable to have means for writing information. Further, the control means reads and stores and retains information relating to the charge / discharge status of the battery pack stored in the storage means of each of the battery units; It is desirable to have means for controlling the operation of the entire apparatus based on the information. Further, the storage means of each of the battery units also stores information on the characteristics of the assembled battery, and the charging means refers to the information on the characteristics of the assembled battery stored in the storage means of each of the battery units. Means for controlling charging of the battery pack according to its characteristics may be provided.
- the control means may include means for controlling discharge from the battery pack in accordance with the characteristics by referring to information on the characteristics of the battery pack stored in the storage means of each battery unit. It is good to
- control means displays the remaining capacity of the battery pack of each battery unit based on the information stored in each battery unit, and when there is a battery pack requiring charging, It is desirable to have a means for displaying a charge request or issuing a notification.
- the charging device comprises a pair of an assembled battery and at least storage means for storing information relating to the charge / discharge status of the assembled battery, and electrically connects the assembled battery and the storage means to the outside.
- a battery unit mounting portion having a plurality of terminals provided with a plurality of terminals for connection, which can be detachably mounted, and which has fixed terminals electrically connected to the plurality of terminals by mounting the battery unit, Charging means for charging the battery pack with reference to the information stored in the storage means via the terminals, for each of the battery units mounted in the battery unit mounting section.
- the battery pack and a storage means for storing at least information on the charge / discharge status of the battery pack are configured as a pair, and a switch connected in series with the battery pack, and control of the battery pack, the storage means, and the switch
- a plurality of battery units each provided with a plurality of terminals for connecting the terminals to the outside can be detachably mounted, and fixed to be electrically connected to the plurality of terminals by mounting the battery unit.
- a battery unit mounting portion having a terminal, and the battery units mounted on the battery unit mounting portion, Charging means for charging the battery pack via each terminal and the switch with reference to information stored in the storage means via each terminal may be provided.
- the method for charging and discharging the battery cut in each of the electric devices refers to information stored in a storage means for each of the storage batteries of each of the plurality of battery units mounted on the electric device.
- the battery is discharged until it reaches a predetermined remaining capacity, and then charged.
- the battery pack of each of the plurality of battery units mounted on the electric device is discharged in ascending order of remaining capacity with reference to the information stored in the storage means, and charged in ascending order of remaining capacity. You may make it.
- the battery pack of each battery unit mounted on the electric device is discharged in ascending order of the remaining capacity with reference to the information stored in the storage means, and charged when the remaining capacity becomes a predetermined value or less. You may make it.
- one or more battery units are selected from the battery packs of the battery units mounted on the electric device, and the battery packs are discharged. Then, the remaining one or more battery units may be selected to charge the respective storage batteries.
- FIG. 1 is a block circuit diagram of an electric device equipped with a battery unit according to a first embodiment of the present invention.
- FIG. 2 is a block circuit diagram of an electric device equipped with a battery unit according to a second embodiment of the present invention.
- FIG. 3 is a block circuit diagram of an electric device equipped with a battery unit according to a third embodiment of the present invention.
- FIG. 4 shows a charging unit and a plurality of battery units from the electric device shown in FIG. It is a figure which shows the connection state at the time of removing and charging.
- FIG. 5 is a diagram showing a case where one battery unit is removed from the electric device shown in FIG. 2 and charged.
- FIG. 6 is a diagram showing a connection state in a case where a charging unit and a plurality of battery units are removed from the electric device shown in FIG. 3 and charging is performed.
- FIG. 7 is a flowchart showing a charging operation of the battery unit by the charging means in the electric device shown in FIG.
- FIG. 8 is a continuation flowchart of the same.
- FIG. 9 is a flowchart showing the operation of the control device when the electric device shown in FIG. 1 is operating.
- FIG. 10 is a continuation of the flowchart.
- FIG. 11 is a flowchart showing an independent charging operation of the charging unit of each battery unit in the electric device shown in FIG.
- FIG. 12 is a flowchart showing the operation when the charging means of each battery unit in the electric device shown in FIG. 2 exchange information with each other and sequentially charge each battery pack.
- FIG. 13 is a flowchart showing the operation when the charging means of each battery unit in the electric device shown in FIG. 2 exchange information with each other and charge each battery pack while controlling the charging power. is there.
- FIG. 14 is a continuation of the flowchart.
- FIG. 15 is a block diagram showing an example of an electric device equipped with a conventional assembled battery and its charging device.
- FIG. 16 is a block diagram showing another example of a motor-driven device equipped with a conventional battery pack and its charging device.
- Fig. 17 shows yet another example of an electric device equipped with a conventional battery pack and its charging device. It is a block diagram showing an example.
- FIG. 18 is a block diagram showing an example of a state of charge of a battery pack by a charging device provided separately from a conventional electric device equipped with a battery pack.
- FIG. 19 is a block diagram showing another example of a state of charge of a battery pack by a charging device provided separately from a conventional electric device equipped with a battery pack.
- FIG. 20 is a block diagram showing still another example of a state of charge of a battery pack by a charging device provided separately from a conventional electric device equipped with a battery pack.
- An electric device equipped with the battery unit according to the present invention, a charging device for the battery unit, and a method for charging and discharging the battery unit in the electric device will be described roughly in three embodiments sequentially.
- a description will be given mainly of an electric device including the invention of each of the above-mentioned power categories.
- the electric device basically includes a battery pack and storage means for storing at least information on the charge / discharge status (preferably including information on the characteristics of the battery pack) as a pair.
- the battery unit is mounted detachably.
- FIG. 1 is a block circuit diagram of an electric device equipped with a battery unit according to a first embodiment of the present invention.
- the electric device 1 of this embodiment includes a plurality of battery units 2, 3, and 4 and a common charging unit 8 for charging the battery packs 2B, 3B, and 4B. (Not shown).
- Each of the battery units 2, 3, and 4 has the same configuration, and is a unit in which battery packs 2B, 3B, and 4B and storage means 11 such as an EEPROM are combined as a unit. is there.
- Each of the battery units 2, 3, and 4 and the battery unit mounting section (not shown) of the apparatus main body are electrically connected to the apparatus main body side when the battery units 2, 3, and 4 are attached and detached, respectively.
- connection means connectors B a 1, B a 2, B a 3 each comprising a pair of terminals, B bl, B b 2, B b 3, and B el, B c 2, B e 3 are provided. ing.
- the charging unit 8 is a unit incorporating the charging means 5 having a microcomputer and the switches SW21, SW22, and SW23 corresponding to the battery units 2, 3, and 4, respectively.
- a connector C p 1 consisting of a pair of terminals as a connecting means for electrically connecting and disconnecting the charging unit 8 to and from the mounting unit (not shown) when the charging unit 8 is attached and detached.
- a control means 6 for controlling the operation of the entire electric device 1 a control power supply 7 and a driving means 9 connected thereto, and a driving means 9 driven by the driving means 9
- a load 10 such as an electric motor for driving a traveling unit (not shown), and three switches SW1 inserted in the discharge (power supply) lines from the battery units 2, 3, and 4 to the control means 6 and the drive means 9, respectively. 1, SW12 and SW13.
- the charging means 5 in the charging unit 8 includes a charging control function for the battery packs 2 B, 3 B, and 4 B of the battery units 2, 3, and 4, and storage means 11, 1, 12, and 13. It has a function of reading and writing information from and to the device.
- the control means 6 includes, in addition to the entire signal control function, a function of reading and writing information to and from the storage units 11, 12, and 13 of the battery units 2, 3, and 4. have.
- the charging means 5 receives the supply of AC power from the commercial power supply 100, rectifies and smoothes it, converts it to DC, and converts it to an output voltage suitable for charging.
- information on the charge / discharge status of the storage batteries 2 B, 3 B, 4 B is read out from the storage means 11, 1, 2, 13 of the plurality of mounted battery units 2, 3, 4 and temporarily stored. And selected based on that information
- one of the switches SW21, SW22, and SW23 is selectively turned on by the switch 2n control signal.
- FIG. 1 shows an example in which three battery units are mounted, but the object of the present invention can be achieved by mounting two or more battery units.
- the charging unit 8 is detachably mounted on the main body of the electric device 1, so that it can be easily removed from the electric device 1 and used outside the electric device 1. It may be provided fixed to the main body.
- the rechargeable batteries 2B, 3B, and 4B of each battery unit 2, 3, and 4 are each configured by connecting a plurality of rechargeable rechargeable batteries or rechargeable batteries in series.
- the storage means 11, 1, 2, and 13 of each battery unit 2, 3, and 4 store battery-specific information such as the rated capacity, temperature characteristics, and storage characteristics of each battery pack 2 B, 3 B, and 4 B. , And information on the charge / discharge status of the battery, such as the amount of charge, the amount of discharge, and the number of times of charge / discharge.
- each of the battery units 2, 3, and 4 has unique information, the attachment and detachment of the plurality of battery units 2, 3, and 4 may be performed in any order.
- the switches SW11, SW12, and SW13 provided on each power supply line between each battery unit 2, 3, 4 and the control means 6 and the drive means 9 are controlled based on the control function of the control means 6.
- the control unit 6 is selectively turned on (ON) by the supplied SW 1 n control signal, and is used to select which battery unit is used to supply power to the control unit 6 and the driving unit 9.
- the control means 6 has a microcomputer inside, and detects the mounting state of the plurality of battery units 2, 3, and 4 in cooperation with the control function and the information read / write function, Reads out the information stored in the storage means 11, 12 and 13 and temporarily stores it, selects the battery unit to be discharged based on the information, and controls the discharge current and discharge voltage etc. Then, if necessary, the battery unit used shall be managed in accordance with the battery characteristics and the characteristics of the electric device 1.
- control means 6 controls the switches SW 11, SW 12, SW 13 based on the information stored in the storage means 11, 12, 13 of each battery unit 2, 3, 4. It has a function of ON-Z off control and a function of managing and controlling the entire electric device 1.
- the control power supply 7 has a function of supplying necessary electric power to the control device 6 when at least one of the battery units 2, 3, and 4 is mounted on the electric device 1. Even when at least one battery pack of each battery unit is charged by the charging means 5, power is supplied to the control power supply 7, but at this time it operates as necessary and Supply power to 6.
- the control power supply 7 stops the driving of the load 10 by the driving means 9 when the battery units 2, 3, 4 are removed, and the stop command of the electric device 1 is issued. It is necessary to write the information such as the charging / discharging status of the battery pack of the battery units 2, 3, and 4 that are in operation into the storage means in each battery unit, and to safely stop the motorized device 1 etc. Power is supplied to the control means 6 until the processing is completed.
- the driving means 9 receives power from a plurality of battery units 2, 3, and 4 mounted on the electric device 1 singly or in combination as necessary, and supplies electric power to the motor actuator, lamps, and the like. Drives and controls the load 10.
- the motor with the load 10 drives a traveling unit such as a wheel (not shown) to cause the electric device 1 to travel.
- the actuator operates a brake and the like.
- Lamps are lamps for headlights, taillights, and winlights.
- connection of the connectors Ba2, Bb2, Bc2 to the battery units 2, 3, 4 By providing a current detecting means at a place where charging and discharging can be detected, such as a line, accurate information on charging current and / or discharging current can be obtained.
- voltage detection means for detecting the voltage of a plurality of battery cells alone or the entire cell block By providing temperature detecting means for detecting the temperature of the entire cell block, accurate voltage or temperature information for each of the batteries 2 B, 3 B, 4 B in each battery unit 2, 3, 4 can be obtained.
- Each of these detection means also needs a signal line connection means so that it can be attached to and detached from the main unit together with the battery units 2, 3, and 4.
- the microcomputer of the charging means 5 is placed in each of the plurality of battery units 2, 3, and 4. Access to each of the storage means 1, 1, 2, and 13 to detect the presence or absence of the installation, read and acquire the information stored in the storage means of the installed battery unit, and if necessary, The acquired information is stored and held in the memory of the charging means 5.
- the charging means 5 recognizes information such as the charge / discharge status of the battery packs 2 B, 3 B, and 4 B of the battery units 2, 3, and 4 attached to the electric device 1. Then, based on the recognized information of each of the battery units 2, 3, and 4, for example, the battery unit for which charging is completed earliest is selected, and one of the switches SW21 to SW23 is switched by the SW2n control signal. Turn on to start charging the battery pack of the selected battery unit.
- the charging information such as the increase in the number of times of charging, the full charge information, the accumulated charge amount, the temperature at the time of charging, etc. is written to the storage means of the charged battery unit. Start charging the battery unit that needs to be charged.
- Charging is performed until there are no more battery units that require charging among the multiple battery units installed, and the charging operation is completed when the charging is completed. Also, even if the charging operation is stopped for some reason during charging, the charging information up to that point is stored in the storage means provided in the battery unit being charged, just as when charging was completed. This information can be used when charging and discharging the battery unit.
- the above-described charging operation will be described with reference to the flowcharts of FIGS. 7 and 8.
- the charging unit 5 of the charging unit 8 in FIG. 1 enters the charging operation shown in the flowcharts of FIGS. 7 and 8, first, as shown in FIG. 7, the charging unit 5 is mounted at the first position. Access the storage unit of the battery unit (in this example, the storage means 11 of the battery unit 2) and read the information (data) stored therein.
- the storage unit of the battery unit in this example, the storage means 11 of the battery unit 2
- the circuit is configured so that the data when the battery unit is not mounted is all zero.
- means for checking by providing checksum data may be used.
- the storage device at the third position (the storage means 13 of the battery unit 4 in this example) is accessed and the information (data) stored therein is read.
- the quickest charging is performed based on the information (information on the charge / discharge status of the battery pack) obtained from each storage means.
- a charge stop command (such as a command based on disconnection of commercial power or a charge stop operation from an operation panel (not shown), etc.) for stopping the charging halfway.
- the normal charging method is to perform until the battery is fully charged.However, when a charge stop command is issued halfway, the charging information that had been charged up to that point is selected and the battery unit that has been charged is charged. The data is written in the storage means and the charging operation is completed.
- the charging control function of the charging means 5 determines that the integrated charging is determined to be necessary based on the battery characteristics of the selected battery unit. Charge information such as the amount and the temperature at the time of charging is measured and calculated by a predetermined method, and stored and stored by the storage unit in the charging unit 8.
- the charging information is written to the storage means of the selected battery unit.
- the mounting flag for the battery unit is cleared.
- the process for the target battery unit is completed by clearing only the mounting flag without entering the charging operation. .
- the information stored in the storage means 11, 12, 13 provided in each battery unit 2, 3, 4 includes the information of the batteries used (assembled batteries 2 B, 3 B, 4 B).
- control means 6 When the battery unit is mounted in at least one of the three battery unit mounting portions of the electric device 1, necessary power is supplied to the control means 6 by the control power source 7.
- the control function of the control unit 6 accesses the storage units 11, 12, and 13 provided in each of the battery units 2, 3, and 4 to access the battery unit.
- the control means 6 obtains information on the presence / absence of the battery unit and information on the storage means necessary for discharging the attached battery unit, and stores and holds the information as necessary by the information storage function of the control means 6. .
- the battery unit mounted on the electric device 1 is recognized as in the case of the charging means 5 described above.
- an operation request signal to the electric device 1 When the signal is input to the control means 6, for example, the battery unit having the least remaining capacity is selected based on the information necessary for the above-mentioned discharge acquired and held by the control means 6.
- the battery unit to be discharged is selected according to the characteristics of the assembled battery, the characteristics of the electric device, and the like. In this example, an example in which the battery unit with the smallest remaining capacity is selected will be described.
- the switches SW 11, SW 12, and SW 13 are switched by the SW 1 n control signal, and a signal is sent to the driving means 9 in response to the request, and the driving means 9 is a load 10, for example, an electric motor ( (Not shown) to drive the motorized device.
- a load 10 for example, an electric motor (Not shown) to drive the motorized device.
- the control unit 6 When the selected and discharged battery unit enters a predetermined discharge end state, the control unit 6 writes the discharge information into the storage unit of the battery unit. Then, the battery unit to be discharged next is selected according to the information from the storage means of the other mounted battery unit or the acquired and stored information, and switches SW11, SW12, Switch SW 13 to connect the selected battery unit and disconnect the discharged battery unit.
- the discharge information is written in the storage means of the battery unit in use.
- the control means 6 in FIG. 1 determines in the first step shown in FIG. 9 whether or not there is an operation request for the electric device, waits if there is no operation request, and immediately proceeds to the next step if there is no first request.
- the location storage means (the storage means 11 of the battery unit 2 in the example of FIG. 1) is accessed and the information is read. Then, it determines whether or not it is normal data (information).
- the information in the first storage means is stored in a predetermined memory area.
- the mounting flag is set, and when the information of the storage means is required, the storage unit of the battery unit is accessed each time. You may make it.
- the above processing is performed immediately if the result is normal (Y), and then the storage means at the second position (in the example of FIG. Access the storage means 1 2) and read the information. Then, it is determined whether or not the data is normal data (information).
- the information in the second storage means is stored in a predetermined memory area immediately if the result is normal (Y), and then the storage means (the third 1 In the example shown in the figure, access the storage means 13 3) of the battery unit 4 and read the information. Then, it is determined whether or not the data is normal data (information).
- the information in the third storage means is stored in a predetermined memory area, and the operation proceeds to the operation processing shown in FIG.
- N If the result of the above determination is abnormal (N), it is determined whether or not there is stored information in a predetermined memory area. If there is, the process proceeds to the operation processing shown in FIG. 10; It is determined that the battery unit is not mounted in any of the mounting positions 3, and the process ends here.
- the first step in FIG. 10 is to compare the contents of the information stored in the predetermined memory area and select, for example, the battery unit with the least remaining capacity, and switch SW by the SWln control signal. 11, SW 12 and SW 13 are controlled, and the selected battery unit is connected to the control means 6 and the drive means 9.
- the battery pack of the selected battery unit is discharged to supply electric power, and the load 10 is driven according to the operation request to operate the electric device 1.
- the battery unit of the battery unit has the remaining capacity, and the battery unit continues discharging while the operation request continues.
- the current discharge information is written into the storage means of the selected battery unit, and then the processing is terminated.
- control means 6 When a battery unit is selected to start discharging, the control means 6 The control function measures and calculates a predetermined integrated discharge amount and discharge temperature required from battery characteristics and electric device characteristics by a predetermined method, and stores and holds the information by the information storage function of the control means 6. I do. In addition, the data is written into the storage means of the selected battery unit as needed.
- the discharge information up to that point is stored in the selected battery unit.
- the information is stored in another storage means, if necessary, for example, a storage means used by the information storage function of the control means 6.
- the information stored in the above-mentioned predetermined memory area is checked to determine whether or not there is another battery unit that can be discharged. If NO, the processing is terminated. Returning to the first step in Fig. 0, the above process is repeated, and the battery unit with the next remaining capacity is selected and discharged from the other installed battery units, and the load is driven while there is an operation request. I do.
- FIG. 4 is a diagram showing a connection state in a case where the charging unit 8 and a plurality of battery units 2, 3, and 4 are removed from the electric device 1 shown in FIG. The operation is the same as the charging operation in a state where the electric device 1 is mounted on the electric device 1.
- the charging device 8 and the three battery units 2, 3, and 4 are removed from the electric device 1 at the same time to perform charging.
- a plurality of battery units mounted on the electric device 1 are charged.
- the load 10 can be operated according to the operation request using the remaining battery unit.
- the charging unit 8 When the charging unit 8 is fixed to the electric device 1 or when the battery unit is charged while mounted on the electric device, the charging unit 8 is connected to the commercial power supply 100. Since it is necessary to connect the motor, the electric device 1 itself must be stopped where it can be connected to the commercial power supply 100, and cannot be used during charging. Therefore, charging must be performed during non-use hours, such as at night.
- the charging unit 8 and the battery units 2, 3, and 4 are all removably mounted on the main body of the electric device 1, and only the charging unit 8 and the battery unit requiring charging are mounted. If it is detached from the electric device 1 to charge it, there is no need to connect the electric device 1 to a commercial power source.During charging, the remaining battery unit is used to drive the load and run freely, as described above. be able to.
- the charging unit 8 is provided integrally with a charging unit 8 and a charging unit mounting portion for detachably mounting one or more battery units, and a battery unit mounting portion. Prepare a charging holder provided with a connection cord to the power supply, and install the charging unit mounting part and battery unit mounting part for electrical connection with charging unit 8 and battery unit 2, respectively. It is advisable to provide fixed terminals (connecting to the corresponding terminals such as charging unit 8 and battery unit 2) constituting each connector.
- connection cord of the charging holder simply connect the connection cord of the charging holder to the commercial power source, attach the charging unit 8 to the charging unit mounting section, and attach the battery unit you want to charge to the battery unit mounting section. All connections between each connector with the installed battery unit are completed, and charging can be started immediately.
- the charging unit according to the present invention can be configured by the charging unit 8 and the charging holder.
- the charging device can be configured by integrating the charging unit 8 and the charging holder.
- FIG. 2 is a block circuit diagram of an electric device on which a battery unit according to a second embodiment of the present invention is mounted, and the same parts as those in FIG. 1 are denoted by the same reference numerals. The description is omitted or simplified.
- the battery units 22, 23, and 24 of the second embodiment store information on the assembled batteries 2B, 3B, and 4B and their charge / discharge status, respectively, similarly to the battery units of the first embodiment.
- the storage means 11, 1, 2, and 13 are integrated as a pair, and charging means 25, 26, and 27 similar to the charging means 5 provided in the charging unit 8 of FIG. ing. Therefore, the battery units 22, 23, and 24 in this case can also be said to be power supply units.
- Each of the battery units 22, 23, 24 is detachably mounted on the main body of the electric device 1.
- Each of the battery units 2, 3, and 4 and the battery unit mounting portion (not shown) of the device main body are electrically connected to the device main body side when the battery units 22, 23, and 24 are attached and detached, respectively.
- connection means for disconnecting connectors Cal, Ca2, Ca3, connectors Cbl, Cb2, Cb3, and connectors Cc1, Cc2, Cc, each comprising a pair of terminals. There are three.
- the charging unit 8 in FIG. 1 is not mounted.
- Other configurations that is, control means 6, control power supply 7, driving means 9 for driving load 10 such as a motor at the request of control means 6, and battery discharged (supplied) by SW1n control signal from control means 6
- the third embodiment is similar to the first embodiment in that three switches SW11, SW12, and SW13 for switching the units are provided.
- the charging means 25, 26, 27 of each of the battery units 22, 23, 24 are directly connected to the commercial power supply 100, respectively, and are stored in the storage means 11, 12, 13 in the same unit. It is configured to charge the batteries 2 B, 3 B, and 4 B in the same unit with reference to the information stored in the storage unit. Although an example is shown in which three battery units are mounted, two or more battery units may be mounted.
- each of the battery units 22, 23, and 24 accesses the storage means 11, 12, and 13 in the same unit, respectively, and the storage batteries 2B, 3B, and 4B required for charging.
- the information stored in the storage unit is read and obtained, and when it is determined that the battery pack in the same unit needs to be charged, the battery pack is started to be charged. Then, when the battery pack is fully charged, the charging information is written into the storage means in the same unit, and the charging operation is completed.
- the charging information up to that point is written to the storage unit in the same unit as in the case of charging completion, and that information is used for subsequent charging / discharging. It can be so.
- the above-described charging operation is an example in which the plurality of battery units 22, 23, and 24 independently perform charging processing.
- the required power for the commercial power supply 100 or a power supply that replaces it increases, and for example, in the case of home power supply, there is a disadvantage that the breaker stack drops. May be
- the space between the charging means 25, 26, and 27 of each battery unit 22, 23, 24 is illustrated.
- the charging means 25, 26, 27 exchange information with each other by means of an information exchange route via the signal line, and the battery packs 2B, 3B, 4B It is also possible to determine the order in which batteries are charged, and to control charging in order.
- the number of battery packs 2B, 3B, 4B can be controlled by controlling the amount of charge.
- the batteries 2 B, 3 B, 4 B and the charging means 25, 26, 27 are always connected, respectively.
- a diode or a backflow prevention circuit is inserted between the battery pack and the charging means, and the battery packs 2 B, 3 B, and 4 B are connected to the charging unit 2. It is necessary to prevent backflow of current to 5, 26, 27.
- the charging operation by the flow chart in FIG. 11 is performed by the charging means 25, 26, 27 of each of the battery units 22, 23, 24 shown in FIG. Is performed.
- the charging unit 25 first accesses the storage unit 11 and determines whether the data is normal. If normal, the necessity of charging the assembled battery 2B is determined from the information obtained from the storage means 11. Then, when it is determined that charging is necessary, charging of the battery pack 2B is started. After the start of charging, the charging is continued unless there is a stop command for the charging, and it is determined whether or not the charging is completed. When the charging is completed, the charging information at that time is written to the storage unit 11 to perform the charging operation. To end.
- the charging operation is started and the data is not normal as a result of accessing the storage means 11, the charging operation is not performed as an error. In such a case, the charging operation is started again after taking measures such as pursuing the cause. Also, as a result of judging the necessity of charging the rechargeable battery 2B from the information obtained from the storage means, if it is determined that charging is not necessary, the rechargeable battery 2B is recharged. The power operation ends.
- information can be mutually transferred between the charging means 25, 26, 27 of the battery units 22, 23, 24 mounted on the electric device 1 shown in FIG. Set up a route. Then, the charging means 25, 26, 27 exchange the information obtained from the storage means 11, 12, 13, respectively, and determine the charging order of the batteries 2B, 3B, 4B. It can be determined arbitrarily.
- the required charge amount is obtained from the remaining capacity of each battery pack, the required charge time is calculated by converting the time, and the battery pack of the battery unit with the shorter required charge time is calculated.
- the charging means 25, 26, 27 of each of the installed battery units 22, 23, 24 are mutually connected to the other battery units. It exchanges information with the charging means of the nit, recognizes the number of battery units installed, and obtains information on the need for charging and charging time.
- the number of battery units that need to be charged is determined. As a result of the judgment, charging is necessary If the number of required battery units is 3, select the two battery units with the shorter charging time and start charging each battery pack. If the number of battery units that need charging is not 3, start charging the battery unit that needs charging.
- the charging means 25, 26, 27 always exchange information with other battery units, and mutually obtain the latest information on the charge / discharge status of the battery pack.
- the charging means during the charging operation writes the charging information up to that time into the storage means of the same unit, and ends the charging operation.
- the charging operation is continued, and it is determined whether or not there is one whose charging has been completed. If the result of the determination is that there is no charging operation, the charging operation is continued while exchanging information between the charging means.
- the charging unit of the battery unit that has completed charging writes the charging information at that time to the storage unit of the same unit.
- the process returns to the determination as to whether the number of battery units requiring charging is three.
- the above-described charging operation is repeated to charge the battery pack of the battery unit requiring charging.
- the charging current can be controlled independently of the type of battery, and the charging voltage and charging current can be detected and the function to calculate the charging power is provided. I'm making it.
- the charging means of each battery unit mounted on the electric device 1 exchanges information with the charging means of the other battery units, and information on the necessity of charging and the charging time of each mounted battery unit. Get information.
- the battery unit with the shortest charging time will start charging within the maximum capacity of the charging means without exceeding the amount of power from the commercial power supply.
- the power amount of the commercial power supply can be obtained, for example, from the charging voltage and the charging current and the efficiency of the charging unit.
- each charging unit of the plurality of battery units exchanges charging information including the amount of electric power of the commercial power supply by the charge control function. Thereafter, until the processing shown in FIG. 14 is completed, the same processing as the case of the repetition of the above processing and the sequential charging described with reference to FIG. 12 is performed.
- the charging information is always transmitted and received between the charging means 25, 26, and 27, so that the charging information of all the mounted battery units is individually transmitted.
- the charging of one of the storage batteries 2 B, 3 B, 4 B of each battery unit 2 2, 2 3, 24 is completed or during the charging, the next charging is always required Determine if there is a battery unit.
- the battery unit with the next shorter charging time does not exceed the amount of power from the commercial power supply 100 and starts charging within the maximum capacity of the charging means.
- the charging means of each battery unit grasps the charging information of the charging means of all other battery units, it is possible to grasp the total power required by each of the commercial power supplies 100. .
- each charging means adjusts its own charging power and always enables parallel charging within the capacity of the commercial power source 100.
- the charge power starts at a constant current, and when the voltage is low, the charge power is small, and as the voltage increases, the charge power increases. It has the characteristic that the charging power becomes maximum when entering the constant voltage mode at the specified voltage, and then the charging power decreases due to the decrease in the charging current.
- each charging means is operated at the maximum allowable power of the commercial power supply, thereby enabling efficient charging.
- This is a description of a battery that is charged by the constant current / constant voltage method. However, even if the battery has other characteristics, similar effects can be naturally obtained by grasping the characteristics and controlling the charging.
- charging is started in order from the storage battery of the battery unit with the shortest charging time.
- Charging or charging may be changed from a small battery unit to charging or the like.
- the purpose can be achieved by determining the charging order that matches the battery characteristics of the assembled battery and the characteristics of the electric device, and performing the charging.
- the battery unit having finished charging the battery pack in this way waits until the charging means writes the charging information to the storage means by the charging control means at that time, and the charging of all the power supply means is completed.
- the charging operation is completed.
- the power supply unit that has started the charging operation writes the charging information up to that time in each storage unit in the same manner as described above. And exit.
- FIG. 5 is a diagram showing a charging method in the case where one battery unit in FIG. 2 is removed from the electric device 1 to charge the battery pack, and shows an example of the battery unit 22.
- the difference from the above-described charging method on the electric device 1 is that instead of charging each battery of a plurality of battery units sequentially, each of the battery units 22, 23, and 24 is individually connected to the electric device 1.
- charging means 25, 26, 27 are connected to commercial power supply 100, and the batteries 2B, 3B, 4B are charged independently, and mounted on the motorized device 1 again Is a point.
- FIG. 3 is a block circuit diagram of an electric device on which a battery unit according to a third embodiment of the present invention is mounted, and parts that are the same as in FIG. 1 are denoted by the same reference numerals. Is omitted.
- the battery units 32, 33, and 34 of the third embodiment shown in FIG. 3 are similar to the battery units of the first embodiment, and are assembled batteries 2B, 3B, and 4B and their rechargeable batteries, respectively.
- the storage means 11 for storing information on the discharge status are integrated as a pair with the storage means 11, 12, 13, and the switches SW a, SW b, S are respectively connected in series with the batteries 2 B, 3 B, 4 B respectively. W c is provided.
- Each of these switches has a function of also serving as switches SW21, SW22, SW23 provided in the charging unit 8 in FIG. 1 and switches SW11, SW12, SW13 controlled by the control means 6. As a result, product costs can be reduced.
- Each of the battery units 32, 33, and 34 is detachably mounted on the main body of the electric device 1.
- Each of the battery units 32, 33, and 34 includes a series circuit of the batteries 2B, 3B, and 4B and the switches SWa, SWb, and SWc, and the control terminals of the switches SWa, SWb, and SWc. And terminals for connecting the storage means 11, 12, and 13 to the outside (connectors Bal to Ba 6, connectors Bbl to Bb 6, and connectors Bel to: Units of Be 6, respectively) Side terminal).
- Each of the battery unit mounting portions of the electric device 1 has a connector Bal al: Ba6, which is electrically connected to and detached from each of the terminals as the battery units 32, 33, and 34 are attached and detached, and a connector B bl :: Fixed terminals are provided for B b6 and connectors Bel to Bc6, respectively.
- the electric device 1 has the above-described plurality of battery units 32, 33, and 34 mounted thereon, and also has a charging unit 18 provided with charging means 5 removably mounted thereon. Further, the point that a control means 6, a control power supply 7, and a driving means 9 for driving a load 10 such as an electric motor at the request of the control means 6 are provided as in the first embodiment shown in FIG. However, switches SW11, SW12, and SW13 controlled by the control means 6 are not provided.
- the charging unit 18 omits switches SW21, SW22, and SW23 from the charging unit 8 in FIG. 1, and supplies SW control signals to three connectors Crl, Cr2, and Cr3, respectively.
- the outputs are output individually, and the three ground-side connectors Cgl, Cg2, and Cg3 in Fig. 1 are combined into one ground-side connector Cg1.
- the switch SW is provided in each of the battery units 32, 33, and 34, respectively.
- a, SWb, and SWc the charging means 5 of the charging unit 18 uses the SW control signal based on the charging control function to switch SWa in each of the battery units 32, 33, and 34.
- SWb and SWc are individually controlled to open and close.
- control means 6 can individually control the opening / closing of the switches 3 " ⁇ &, SWb, and SWc in each of the battery units 32, 33, and 34 by the SW control signal based on the control function.
- a connector circuit for supplying the outputs of B, 3B, and 4B to the control power supply 7 is provided.
- the charging operation of the electric device of the third embodiment is performed by connecting the switches SW21, SW22, and SW23 of the charging unit 8 ⁇ of the first embodiment shown in FIG. 7 and 8 except that switches SWa, SWb, and SWc provided in switches 3 and 34, respectively, and that the SW2n control signal is replaced with the SW control signal. Since the charging operation is the same as the charging operation in the first embodiment shown in the drawing, the description is omitted here.
- the operation (load drive) operation by the electric device 1 of the third embodiment is performed by providing the switches SW11, SW12, and SW13 shown in FIG. 1 in each of the battery units 32, 33, and 34, respectively.
- Switch SWa, SWb, SWc, and the SW1n control signal in the first embodiment (FIG. 1) is replaced with a SW control signal.
- the operation of the electric device 1 of the first embodiment shown in FIGS. 9 and 10 is the same as the operation of the electric device 1 shown in FIGS.
- FIG. 6 shows a state in which the charging unit 18 and a plurality of battery units 32, 33, 34 are removed from the electric device 1 shown in FIG.
- the charging operation is the same as the charging operation according to the first embodiment described with reference to FIG.
- switches are externally turned on and off in series with the batteries 2 B, 3 B, and 4 B, respectively. If possible, the switches SW11, SW12, and SW13 can be omitted.
- the battery pack is integrated with a storage means (memory) for storing information on the charge / discharge status of the battery pack to form a battery unit
- a storage means memory
- the information to be stored in the storage unit of the battery unit according to the present invention includes the following various information including at least information relating to the charging / discharging status of the batteries (rechargeable batteries) in the same unit.
- Battery characteristics such as battery rated capacity, charge characteristics, discharge load characteristics, cycle characteristics, storage characteristics, and temperature characteristics.
- Charge / discharge history such as charge start voltage, charge integrated capacity, charge temperature, discharge integrated capacity, discharge temperature, discharge end voltage, remaining capacity, number of discharge cycles, charge / discharge capacity results, use temperature.
- Correction data such as battery characteristics such as battery capacity, charge characteristics, and discharge load characteristics, and basic constants used for battery management and control.
- the management information based on the battery characteristics, the environment and performance information when the battery is used, correction information for each information based on the battery usage performance, and the characteristic information of the electric device that affects the battery as necessary Information and the like can be stored.
- the present invention integrates the storage means into the battery unit and constantly handles the state of the battery characteristics such as the capacity, charge characteristics, and discharge load characteristics of the batteries (rechargeable batteries) in the battery unit. I can understand. As a result, many effects can be obtained as follows.
- each battery unit allows the battery to be used under the remaining battery level control regardless of the state of the battery, such as during full (full) charge, halfway charge, or discharge, and free replacement of battery units. Can be.
- the memory effect can be prevented by increasing the chance of discharging to the discharge end voltage, or the discharge order can be determined such as by discharging the battery unit having a small number of charge / discharge cycles and averaging the usage rate.
- Battery life can be determined based on usage history information such as the number of charge / discharge cycles and the actual charge / discharge capacity from the storage unit of each battery unit.For example, a battery unit with a small number of charge / discharge times can be used. Battery life can be averaged, such as by discharging.
- the capacity between each battery unit is the same type. By managing different batteries, mixed capacity batteries can be used.
- the battery unit When an electric motor is used, the battery unit is divided into multiple parts, and the battery unit and the storage unit are integrated, so that the regenerative power is supplied to the battery unit with a deeper discharge depth in the battery unit. As a result, a larger amount of regenerative power can be recovered, and the recovery efficiency can be improved.
- each battery unit can be charged at the same time, and the charging time can be reduced.
- the battery unit serving as a driving energy source for an electric device such as an electric motorcycle or an electric wheelchair can be easily handled and always efficiently used.
- the operation of the electric device provided with a plurality of sets of battery units and the charging of the battery units can be performed in parallel without requiring a special charging device.
- the battery characteristics of the battery unit can be managed, and the charging / discharging of a plurality of battery units can be freely selected according to each battery characteristic. Therefore, different types of assembled batteries can be used in combination.
- a secondary battery storage battery
- the memory effect can be prevented and refreshing is not required. This can prolong the life of the battery.
- charging can be facilitated by installing a charging device on a battery stand, etc., and even if the battery section is removed from the motorized device, the charging / discharging status can be known with high accuracy, so that optimal charging is always performed. Control becomes possible.
- the regenerative power from the load side such as a motor can be efficiently returned to the battery unit and used effectively.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60033833T DE60033833T2 (de) | 1999-08-03 | 2000-07-31 | Elektronisches gerät und batterieeinheitsladevorrichtung und lade-/ entladeverfahren |
US10/030,165 US6741065B1 (en) | 1999-08-03 | 2000-07-31 | Electric device and method for charging and discharging battery unit of the same |
CA002380959A CA2380959C (en) | 1999-08-03 | 2000-07-31 | Electric device and method for charging and discharging battery unit of the same |
EP00948342A EP1223653B1 (en) | 1999-08-03 | 2000-07-31 | Electric device and apparatus for charging battery unit, and method for charging and discharging |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP22050399A JP3890168B2 (ja) | 1999-08-03 | 1999-08-03 | 電動装置及びその電池ユニットの充放電方法 |
JP11/220503 | 1999-08-03 |
Publications (1)
Publication Number | Publication Date |
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WO2001011754A1 true WO2001011754A1 (fr) | 2001-02-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2000/005141 WO2001011754A1 (fr) | 1999-08-03 | 2000-07-31 | Dispositif electrique avec chargeur de batterie et procede de charge et decharge correspondant |
Country Status (8)
Country | Link |
---|---|
US (1) | US6741065B1 (ja) |
EP (1) | EP1223653B1 (ja) |
JP (1) | JP3890168B2 (ja) |
KR (1) | KR100452566B1 (ja) |
CN (1) | CN1237681C (ja) |
CA (1) | CA2380959C (ja) |
DE (1) | DE60033833T2 (ja) |
WO (1) | WO2001011754A1 (ja) |
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- 2000-07-31 CA CA002380959A patent/CA2380959C/en not_active Expired - Fee Related
- 2000-07-31 CN CNB008111634A patent/CN1237681C/zh not_active Expired - Fee Related
- 2000-07-31 US US10/030,165 patent/US6741065B1/en not_active Expired - Fee Related
- 2000-07-31 KR KR10-2002-7001435A patent/KR100452566B1/ko not_active IP Right Cessation
- 2000-07-31 EP EP00948342A patent/EP1223653B1/en not_active Expired - Lifetime
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WO2012172685A1 (ja) * | 2011-06-17 | 2012-12-20 | トヨタ自動車株式会社 | 電源システムおよびそれを備えた車両ならびに電源システムの制御方法 |
Also Published As
Publication number | Publication date |
---|---|
JP3890168B2 (ja) | 2007-03-07 |
DE60033833T2 (de) | 2008-01-24 |
CN1369127A (zh) | 2002-09-11 |
DE60033833D1 (de) | 2007-04-19 |
KR100452566B1 (ko) | 2004-10-14 |
EP1223653B1 (en) | 2007-03-07 |
EP1223653A1 (en) | 2002-07-17 |
CN1237681C (zh) | 2006-01-18 |
KR20020026559A (ko) | 2002-04-10 |
CA2380959C (en) | 2005-10-11 |
US6741065B1 (en) | 2004-05-25 |
CA2380959A1 (en) | 2001-02-15 |
JP2001045673A (ja) | 2001-02-16 |
EP1223653A4 (en) | 2002-07-31 |
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