CN103182951A

CN103182951A - Electric automobile and integrated control system thereof

Info

Publication number: CN103182951A
Application number: CN2012105933947A
Authority: CN
Inventors: 魏维; 王洪军; 周伟
Original assignee: BYD Co Ltd
Current assignee: Nanjing BYD Automobile Co Ltd
Priority date: 2011-12-31
Filing date: 2012-12-31
Publication date: 2013-07-03
Anticipated expiration: 2032-12-31
Also published as: CN103187767A; CN103187765A; CN103187769B; CN103187762A; CN103187764A; CN103187771A; CN103187771B; CN103186109A; CN103186109B; CN103187770B; CN103182948A; CN103187772B; CN103187768B; CN103187768A; CN103187759B; CN103187766A; CN203120353U; CN103187765B; CN103187770A; CN103187760B

Abstract

The invention provides an integrated control system of an electric automobile, which comprises a power battery, a high voltage power distribution box, a drive and charge-discharge integrated controller, an auxiliary high voltage component, a first DC/DC (direct current/direct current) module, and a controller, wherein the high voltage power distribution box is connected with the power battery; the drive and charge-discharge integrated controller is connected with the power battery through the high voltage power distribution box, is connected with a motor and a charge-discharge socket respectively, and is used for driving the motor when the electric automobile is in a drive mode; the auxiliary high voltage component is connected with the power battery through the high voltage power distribution box; the first DC/DC module is connected with the power battery through the high voltage power distribution box; and the controller is connected with the high voltage power distribution box and is used for controlling the high voltage power distribution box, so that the precharge is performed through the high voltage power distribution box before the drive and charge-discharge integrated controller, the auxiliary high voltage component and the first DC/DC module are powered on. The invention further provides an electric automobile. According to the different working modes, the unified switch of working states of systems can be achieved, split systems of the automobile can be coordinated and controlled, and the compatibility is strong.

Description

Electronlmobil and integrated control system thereof

Technical field

The present invention relates to the electric vehicle engineering field, particularly a kind of electronlmobil and integrated control system thereof.

Background technology

Along with development of science and technology, the electronlmobil of environmental protection and energy saving is being played the part of the role who replaces fuel vehicle, yet popularizing of electronlmobil also is faced with some problems, and wherein high continuation of the journey mileage and charging technique have efficiently become a great problem of electronlmobil popularization.

At present, electronlmobil adopts high-capacity battery mostly, though can improve the flying power of electronlmobil, same high-capacity battery has brought the long problem of charging duration again.Though the DC charging station of specialty can fast speed be that battery charges, but problems such as the cost of great number and big floor area make popularizing of this Infrastructure also be faced with certain degree of difficulty, again because the space of vehicle is limited, onboard charger is subjected to the restriction of volume and can't satisfies charge power simultaneously.

The charging scheme of taking on the market has following several now:

Scheme (1): as depicted in figs. 1 and 2, vehicle-mounted charge and discharge device in this scheme mainly comprises three phase mains voltage transformer 1 ', six thyristor elements compositions three-phase bridge circuit 2 ', constant voltage control setup AUR and constant-current control device ACR, but this scheme serious waste space and cost.

Scheme (2): as shown in Figure 3, the vehicle-mounted charge and discharge device in this scheme is installed two charging sockets 15 ', 16 ', has been increased cost for adapting to list/three-phase charging; The motor-driven loop comprises the filtration module of inductance L 1 ' and capacitor C 1 ' composition, and when motor-driven, three phase current produces loss through filtration module, is the waste to battery electric quantity; Inverter 13 ' carried out rectification/inversion to alternating current when this scheme discharged and recharged work, and voltage is unadjustable after rectification/inversion, and it is narrow to be suitable for battery operated voltage range.

In sum, the AC charging technology of taking in the market adopts the individual event charging technique mostly, and this technology exists that charge power is little, charging duration is long, the hardware volume is big, function singleness, be subject to the shortcomings such as voltage class restriction of different regions electrical network.

Also make rapid progress as aspect technological advancies such as the motor driven systems of electronlmobil core component, power battery charging systems, motor driven systems is as a system independently in traditional electronlmobil, have independently power conversion module, control module etc., only need guarantee that motor-driven requirement and the part car load when vehicle travels requires to get final product.The power battery charging system generally is divided into vehicle-mounted AC charging system and quick DC charging system, and vehicle-mounted AC charging system has power conversion module, control module etc., can give power battery charging by smaller power; DC charging system only needs vehicle side to have corresponding power distribution circuit, power battery management system to assist control fast, but electrically-charging equipment needs huge equipment such as power conversion module.For the electronlmobil that loads than the macro-energy electrokinetic cell, in order to take into account convenience for charging, rapidity, this two kinds of charge systems need be installed all.Present active demand along with continuous advancement in technology and cost-cutting, the inversion system of the motor driven systems of electronlmobil, charge system even externally discharge etc. is also progressively developing to integrated, unitized, from sharing control module to comprising the integrated of power conversion module, form unified integral body.

But, this system is because integrated function in a large number, system complexity significantly increases, cooperate with the vehicle other system and to face a severe challenge, problems such as the thing followed interferes with each other, function handover security, radiating requirements also have a great difference, and the pattern of each traditional system's independent processing can not meet the demands.

Summary of the invention

Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency.

For this reason, first purpose of the present invention is to provide a kind of integrated control system of electronlmobil, and this system has avoided interference, and safety is higher.Second purpose of the present invention is to provide a kind of electronlmobil.

For achieving the above object, the embodiment of first aspect present invention provides a kind of integrated control system of electronlmobil, comprising: electrokinetic cell; High-tension distribution box, described high-tension distribution box links to each other with described electrokinetic cell; Drive and discharge and recharge integrated manipulator, described driving and discharge and recharge integrated manipulator and link to each other with described electrokinetic cell by described high-tension distribution box, and described driving and discharge and recharge integrated manipulator respectively with motor with discharge and recharge socket and link to each other, described driving and discharge and recharge integrated manipulator and be used for when described electronlmobil is in drive pattern, driving described motor, and when described electronlmobil is in charge and discharge mode, by the described socket that discharges and recharges described electrokinetic cell is discharged and recharged; Auxiliary high tension apparatus, described auxiliary high tension apparatus links to each other with described electrokinetic cell by described high-tension distribution box; The one DC/DC module, a described DC/DC module links to each other with described electrokinetic cell by described high-tension distribution box; Controller, described controller links to each other with described high-tension distribution box, is used for the described high-tension distribution box of control with in described driving and discharge and recharge integrated manipulator, described auxiliary high tension apparatus and a described DC/DC module and carry out precharge by described high-tension distribution box before powering on.

Integrated control system according to the electronlmobil of the embodiment of the invention, difference according to mode of operation, can realize that the unified of each working state of system switches, coordinate each discrete part of control vehicle, compatible strong, and owing to have cooling system, the heat radiation requirement when satisfying high power work, can satisfy electronlmobil difference in functionality demand and expansion, have good comformability.This system realizes the compatibility to electronlmobil driving, charging, external discharging function requirement, and can satisfy the requirement of high-power output.

The embodiment of second aspect present invention provides a kind of electronlmobil, comprises the integrated control system of first aspect present invention embodiment.

Electronlmobil according to the embodiment of the invention, difference according to mode of operation, can realize that the unified of each working state of system switches, coordinate each discrete part of control vehicle, compatible strong, and owing to have cooling system, the heat radiation requirement when satisfying high power work, can satisfy electronlmobil difference in functionality demand and expansion, have good comformability.This system realizes the compatibility to electronlmobil driving, charging, external discharging function requirement, and can satisfy the requirement of high-power output.

The aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.

Description of drawings

Above-mentioned and/or the additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:

Fig. 1 is the circuit diagram of existing a kind of vehicle-mounted charge and discharge device;

Fig. 2 is the control scheme drawing of existing a kind of vehicle-mounted charge and discharge device;

Fig. 3 is the circuit diagram of the vehicle-mounted charge and discharge device of existing another kind;

Fig. 4 is according to the driving of the embodiment of the invention and discharges and recharges the integrated control system scheme drawing;

Fig. 5 is integrated control system high tension distribution system scheme drawing;

Fig. 6 is integrated control system principle of work scheme drawing;

Fig. 7 is the block diagram that is used for Electric Vehicle power system according to an embodiment of the invention;

Fig. 8 is the topological diagram that is used for Electric Vehicle power system according to an embodiment of the invention;

Fig. 9 is the block diagram of controller module according to an embodiment of the invention;

Figure 10 is DSP and the peripheral hardware circuit interface scheme drawing in the controller module of the example according to the present invention;

Figure 11 is the function decision flow chart that is used for Electric Vehicle power system according to an embodiment of the invention;

Figure 12 is for being used for the block diagram that Electric Vehicle power system is carried out motor-driven control function according to an embodiment of the invention;

Figure 13 discharges and recharges the function on decision flow chart for being used for Electric Vehicle power system according to an embodiment of the invention;

Figure 14 is used for the control flow chart of Electric Vehicle power system under the battery charger operation mode according to an embodiment of the invention;

Figure 15 is used for the control flow chart of Electric Vehicle power system when charging electric vehicle finishes according to an embodiment of the invention;

Figure 16 is junction circuit figure between electronlmobil and the power equipment supply according to an embodiment of the invention;

The scheme drawing of Figure 17 for adopting two power system parallel connections that electronlmobil is charged in accordance with another embodiment of the present invention;

Figure 18 is the scheme drawing that discharges and recharges socket of the example according to the present invention;

Figure 19 puts the scheme drawing of plug for another example according to the present invention from guipure;

The specific embodiment

Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.

Disclosing hereinafter provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter parts and the setting to specific examples is described.Certainly, they only are example, and purpose does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and purpose clearly, itself not indicate the relation between the various embodiment that discuss of institute and/or the setting.In addition, various specific technology and the examples of material that the invention provides, but those of ordinary skills can recognize the property of can be applicable to of other technologies and/or the use of other materials.In addition, first feature described below second feature it " on " structure can comprise that first and second features form the embodiment of direct contact, can comprise that also additional features is formed on the embodiment between first and second features, such first and second features may not be direct contacts.

In description of the invention, need to prove, unless otherwise prescribed and limit, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly by intermediary, for the ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.

With reference to following description and accompanying drawing, these and other aspects of embodiments of the invention will be known.These describe and accompanying drawing in, some specific implementations in the embodiments of the invention are specifically disclosed, represent to implement some modes of the principle of embodiments of the invention, still should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise spirit and interior all changes, modification and the equivalent of intension scope that falls into institute's additional claims.

As Fig. 4 to Fig. 6, the integrated control system of the electronlmobil of the embodiment of the invention comprises electrokinetic cell 10, high-tension distribution box 90, auxiliary high tension apparatus, a DC/DC module 300, controller 80.High-tension distribution box 90 links to each other with electrokinetic cell 10; Drive and discharge and recharge integrated manipulator 70, drive and discharge and recharge integrated manipulator 70 and link to each other with electrokinetic cell 10 by high-tension distribution box 90, and driving and discharge and recharge integrated manipulator 70 respectively with motor with discharge and recharge socket and link to each other.Drive and discharge and recharge integrated manipulator 70 and be used for drive motor when electronlmobil is in drive pattern, and when electronlmobil is in charge and discharge mode, by discharging and recharging socket electrokinetic cell is discharged and recharged.

Auxiliary high tension apparatus, auxiliary high tension apparatus links to each other with electrokinetic cell 10 by high-tension distribution box 90.The one DC/DC module 300 links to each other with electrokinetic cell 10 by high-tension distribution box 70.Controller 80 links to each other with high-tension distribution box 70, is used for control high-tension distribution box 90 to carry out precharge by high-tension distribution box before powering on driving and discharge and recharge integrated manipulator 70, auxiliary high tension apparatus and a DC/DC module.

High-tension distribution box 70 comprises: the first preliminary filling control module and first switch in parallel with the first preliminary filling control module, one end of the first preliminary filling control module and first K switch 1 links to each other with an end of electrokinetic cell, and the other end of the first preliminary filling control module and first switch and driving and first end that discharges and recharges integrated manipulator link to each other; The second preliminary filling control module and the second switch K2 in parallel with the second preliminary filling control module, the end of the second preliminary filling control module and second switch K2 links to each other with an end of electrokinetic cell, and the other end of the second preliminary filling control module and second switch K2 links to each other with first end of a DC/DC module 300; The 3rd preliminary filling control module and three K switch 3 in parallel with the 3rd preliminary filling control module; One end of the 3rd preliminary filling control module and the 3rd K switch 3 links to each other with an end of electrokinetic cell, and the other end of the 3rd preliminary filling control module and the 3rd K switch 3 links to each other with first end of auxiliary high tension apparatus; One end of the 4th K switch 4, the four K switch 4 links to each other with the other end of electrokinetic cell, and the 4th K switch 4 respectively with drive and discharge and recharge integrated manipulator, a DC/DC module with shown in second end of auxiliary high tension apparatus link to each other.One end of the 5th K switch 5, the five K switch 5 links to each other with an end of electrokinetic cell, and the 5th switch and driving and the 3rd end that discharges and recharges integrated manipulator link to each other.

Three preliminary filling resistance have been used respectively in K11, K21, the K31 preliminary filling loop among Fig. 5, can be according to actual conditions, if require lower to pre-charging time, and it is higher to cost and structural requirement, can merge into a preliminary filling resistance, different pre-charging time is set and Dead Time is realized identical functions by power battery management system software.

When electronlmobil is in drive pattern or charge and discharge mode, controller carries out simultaneously closed the 4th K switch 4 of precharge by the first preliminary filling control module to driving and discharge and recharge integrated manipulator, when the bus voltage that drives and discharge and recharge integrated manipulator becomes preset multiple with the voltage of electrokinetic cell, control the first preliminary filling control module and turn-off and closed first switch.

After closed first K switch 1, controller also carries out precharge by the 3rd preliminary filling control module to auxiliary high tension apparatus, when the bus voltage of auxiliary high tension apparatus becomes preset multiple with the voltage of electrokinetic cell, control the 3rd preliminary filling control module and turn-off also closed the 3rd K switch 3.

When electronlmobil is in drive pattern, after closed the 3rd switch, controller also carries out precharge by the second preliminary filling control module to a DC/DC module 300, when the bus voltage of a DC/DC module 300 becomes preset multiple with the voltage of electrokinetic cell 10, control the second preliminary filling control module and turn-off and closed second switch K2.

Principle of work below in conjunction with the high-tension distribution box of Fig. 5 is described in detail.

Drive pattern: the vehicle launch system sends startup command, power battery management system 10 detects electrokinetic cell back control in good condition high tension distribution system corresponding actions, adhesive power battery cathode contactless switch K5 at first, adhesive master preliminary filling contactless switch K11 again, preliminary filling is carried out in driving and charging-discharging controller, driving and charging-discharging controller detect and feedback power bus voltage is given power battery management system, when power battery management system judge to drive and the charging-discharging controller bus voltage reaches electrokinetic cell voltage 90%(voltage available difference 50V replaces) in the time be defined as preliminary filling and finish, control main contactor K1 adhesive, disconnect main preliminary filling contactless switch K11 then, and send corresponding contact device state and preliminary filling and finish and allow to drive order, drive and charging-discharging controller is received above-mentioned state and order and detected bus voltage and can drive vehicle according to signals such as the throttle degree of depth after in normal working voltage and travel; Subsequently, the auxiliary preliminary filling contactless switch K31 adhesive of power battery management system control, EPS controller, Air compressor controller etc. is carried out preliminary filling, EPS controllers etc. detect and the feedback bus voltage value is given power battery management system, when judging that when power battery management system the 90%(voltage available difference 50V that its bus voltage reaches electrokinetic cell voltage replaces) in the time be defined as preliminary filling and finish, control auxiliary contactor K3 adhesive, disconnect auxiliary preliminary filling contactless switch K31 then, and send corresponding contact device state and preliminary filling and finish and allow order, auxiliary power loop preliminary filling is finished; The DC of power battery management system control subsequently preliminary filling contactless switch K21 adhesive, the DC-DC changer is carried out preliminary filling, the DC-DC changer detects and the feedback bus voltage is given power battery management system, judging the 90%(voltage available difference 50V that DC-DC changer bus voltage reaches electrokinetic cell voltage when power battery management system replaces) in the time be defined as preliminary filling and finish, control DC contactless switch K2 adhesive, disconnect DC preliminary filling contactless switch K21 then, and send corresponding contact device state and preliminary filling and finish and allow order; Whole high tension distribution system distribution is finished.

Charge and discharge mode: at first, driving and charging-discharging controller enter charge and discharge mode according to corresponding vehicle setting or charging rifle connection triggering, send discharge or the ready state that charges, power battery management system receives that detecting the electrokinetic cell state behind this state meets the charge or discharge requirement and namely begin to carry out preliminary filling, adhesive power battery cathode contactless switch K5 at first, adhesive master preliminary filling contactless switch K11 again, preliminary filling is carried out in driving and charging-discharging controller, driving and charging-discharging controller detect and feedback power bus voltage is given power battery management system, when power battery management system judge to drive and the charging-discharging controller bus voltage reaches electrokinetic cell voltage 90%(voltage available difference 50V replaces) in the time be defined as preliminary filling and finish, control main contactor K1 adhesive, disconnect main preliminary filling contactless switch K11 then, and send corresponding contact device state and preliminary filling and finish and allow to discharge and recharge order; The DC of power battery management system control subsequently preliminary filling contactless switch K21 adhesive, the DC-DC changer is carried out preliminary filling, the DC-DC changer detects and the feedback bus voltage is given power battery management system, judging the 90%(voltage available difference 50V that DC-DC changer bus voltage reaches electrokinetic cell voltage when power battery management system replaces) in the time be defined as preliminary filling and finish, control DC contactless switch K2 adhesive, disconnect DC preliminary filling contactless switch K21 then, and send corresponding contact device state and preliminary filling and finish and allow order; Whole high tension distribution system distribution is finished.

The integrated control system of the electronlmobil of the embodiment of the invention also comprises: refrigerating module, refrigerating module are used for integrated control system is cooled off.

Integrated control system to the electronlmobil of the embodiment of the invention is described below.

During driving, be responsible for the antitheft of car load and start the start-up system transmission of moving low-pressure system starting related command to power battery management system by BCM control, drive and discharge and recharge correlation modules such as integrated manipulator 70, power battery management system is received and is entered drive pattern after the startup command and be K11 among adhesive Fig. 5 detecting electrokinetic cell in good condition, K21, preliminary filling contactless switch and K5 negative pole contactless switchs such as K31, each high pressure current consumer (drives and charging-discharging controller 70, DC-DC30, air-conditioning, EPS etc.) beginning preliminary filling and send corresponding high tension loop magnitude of voltage, treat power battery management system judge each high pressure current consumer magnitude of voltage reach preliminary filling and finish condition after the adhesive of control corresponding contact device connect the high voltage power loop.DC-DC30 is converted to the car load low tension to the electrokinetic cell high voltage direct current and supplies with car load low-voltage electrical apparatus and storage battery, simultaneously, subcontrol is gathered the car load signal, the work of control cooling system, drive and thereby car load signal synthesis such as acceleration pedal that charging-discharging controller detects according to the subcontrol that receives, brake pedal, gear are handled and calculated corresponding Motor torque requirements by being that the operation of alternating current control motor drives vehicle and travels to dc inverter, display systems such as combination instrument show the car load operation conditions.

During charging, when the charging rifle is connected to the Vehicular charging mouth, drive and discharge and recharge integrated manipulator 70 and detect the connection of charging rifle, export corresponding connection signal and give BCM, BCM control low pressure charge system starts, and the transmission corresponding state, power battery management system enters charge mode according to the coomand mode of BCM.State in detection electrokinetic cell back in good condition according to driving and charging-discharging controller carries out corresponding actions, driving and charging-discharging controller detect by the mutual situation of charging rifle and charging equipment to judge to charge with being connected whether finish, after finishing, the judgement connection sends the corresponding state signal to power battery management system, power battery management system begins K11 among adhesive Fig. 5 after receiving corresponding state, K21 preliminary filling contactless switch and K5 negative pole contactless switch carry out preliminary filling, drive and discharge and recharge integrated manipulator 70 accordingly, DC-DC30 begins to send the power loop magnitude of voltage, treat that power battery management system judges that each high pressure current consumer magnitude of voltage reaches preliminary filling and finishes after the condition adhesive of control corresponding contact device and connect the high voltage power loop, and send corresponding state information.DC-DC30 is converted to the car load low tension with the electrokinetic cell high voltage direct current and supplies with car load low-voltage electrical apparatus and storage battery; Drive and charging-discharging controller connects the normal back of the voltage starting power module work of finishing detecting the high voltage power loop, subcontrol detects the charge port state and controls cooling system work, and the combination instrument of display system shows the various charge informations of car load simultaneously.

When externally discharging, after BCM control car load low-pressure system starts, by combination instrument or other energizing signal externally discharge order of startup is set, power battery management system enters external discharge mode according to coomand mode, after the detection electrokinetic cell is in good condition, begin K11 among adhesive Fig. 5, K21 preliminary filling contactless switch and K5 negative pole contactless switch carry out preliminary filling, the corresponding driving and charging-discharging controller, DC-DC begins to send the power loop magnitude of voltage, treat that power battery management system judges that each high pressure current consumer magnitude of voltage reaches preliminary filling and finishes after the condition adhesive of control corresponding contact device and connect the high voltage power loop, and send corresponding state information.DC-DC30 is converted to the car load low tension with the electrokinetic cell high voltage direct current and supplies with car load low-voltage electrical apparatus and storage battery; Drive and a charging-discharging controller detection discharge mouthful external discharge rifle connection state, finish the back and require to begin to start external discharge according to the external discharge that arranges judging that power loop and discharge equipment connect, the while combination instrument shows the external discharge information of corresponding car load.

As shown in Figure 7, one embodiment of the invention proposes is used for that Electric Vehicle power system comprises electrokinetic cell 10, discharges and recharges socket 20, two-way DC/DC module 30, drive master cock 40, two-way DC/AC module 50, motor control switch 60, discharge and recharge control module 70 and controller module 80.

Wherein, the first dc terminal a1 of two-way DC/DC module 30 links to each other with the other end of electrokinetic cell 10, the second dc terminal a2 of two-way DC/DC module 30 links to each other with an end of electrokinetic cell 10, and the first dc terminal a1 is the common DC end of two-way DC/DC module 30 inputs and output.An end that drives master cock 40 links to each other with an end of electrokinetic cell 10, and the other end that drives master cock 40 links to each other with the 3rd dc terminal a3 of two-way DC/DC module 30.In one embodiment of the invention, it is identical with K switch 4 among Fig. 5 to drive master cock 40.The first dc terminal b1 of two-way DC/AC module 50 links to each other with the other end that drives master cock 40, the second dc terminal b2 of two-way DC/AC module 50 links to each other with the other end of electrokinetic cell 10, one end of motor control switch 60 links to each other with the end c that exchanges of two-way DC/AC module 50, and the other end of motor control switch 60 links to each other with motor M.An end that discharges and recharges control module 70 links to each other with the end c that exchanges of two-way DC/AC module 50, the other end that discharges and recharges control module 70 with discharge and recharge socket 20 and link to each other.Controller module 80 links to each other with driving master cock 40, motor control switch 60 and discharge and recharge control module 70, and controller module 80 is used for according to power system present located mode of operation to driving master cock 40, motor control switch 60 with discharge and recharge control module 70 and control.

Further, in an embodiment of the present invention, power system present located mode of operation can comprise drive pattern and charge and discharge mode.When power system present located mode of operation is drive pattern, controller module 80 controls drive master cock 40 closures to close two-way DC/DC module 30, and control motor control switch 60 closures with the driven motor M, and control discharges and recharges control module 70 disconnections.Need to prove, in an embodiment of the present invention, though motor control switch 60 has comprised three switches that link to each other with the input of motor three-phase among Fig. 5, also can comprise two switches that link to each other with the input of motor two-phase in other embodiments of the invention, even a switch.Need only the control that can realize motor at this.Therefore, other embodiment do not repeat them here.When power system present located mode of operation is charge and discharge mode, controller module 80 controls drive master cock 40 and disconnect starting two-way DC/DC module 30, and control motor control switch 60 disconnects so that motor M is shifted out, and control discharge and recharge control module 70 closures, external power supply can normally be charged for electrokinetic cell 10.The first dc terminal a1 of two-way DC/DC module 30 links to each other with the positive and negative terminal of dc bus with the 3rd dc terminal a3.

In one embodiment of the invention, as shown in Figure 8, be used for Electric Vehicle power system and also comprise the first preliminary filling control module 101, one end of the first preliminary filling control module 101 links to each other with an end of electrokinetic cell 10, the other end of the first preliminary filling control module 101 links to each other with the second dc terminal a2 of two-way DC/DC module 30, the first preliminary filling control module 101 is used for carrying out precharge for the capacitor C 1 of two-way DC/DC module 30 and bus capacitor C0, wherein, bus capacitor C0 is connected between the 3rd dc terminal a3 of the first dc terminal a1 of two-way DC/DC module 30 and two-way DC/DC module 30.Wherein, the first preliminary filling control module 101 comprises first resistance R 1, first K switch 1 and second switch K2.In one embodiment of the invention, first K switch 1 is identical with K switch 11 shown in Figure 5, and second switch K2 is identical with K switch 1 shown in Figure 5.One end of first resistance R 1 links to each other with an end of first K switch 1, the other end of first resistance R 1 links to each other with an end of electrokinetic cell 10, the other end of first K switch 1 links to each other with the second dc terminal a2 of two-way DC/DC module 30, in parallel with second switch K2 after

first resistance R

1 and 1 series connection of first K switch, wherein, controller module 80 in power system startup control system first K switch 1 closure so that the capacitor C 1 in the two-way DC/DC module 30 and bus capacitor C0 are carried out precharge, and when the voltage of bus capacitor C0 becomes preset multiple with the voltage of electrokinetic cell 10, control 1 disconnection of first K switch and control second switch K2 closure simultaneously.

As shown in Figure 8, two-way DC/DC module 30 further comprises the first switching valve Q1, second switch pipe Q2, the first diode D1, the second diode D2, first inductance L 1 and first capacitor C 1.Wherein, the first switching valve Q1 and second switch pipe Q2 are connected in series mutually, mutually between the first dc terminal a1 and the 3rd dc terminal a3 that the first switching valve Q1 of series connection and second switch pipe Q2 are connected two-way DC/DC module 30, the control of the first switching valve Q1 and the controlled device module 80 of second switch pipe Q2, and have first node A between the first switching valve Q1 and the second switch pipe Q2.The first diode D1 and the first switching valve Q1 reverse parallel connection, the second diode D2 and second switch pipe Q2 reverse parallel connection, an end of first inductance L 1 links to each other with first node A, and the other end of first inductance L 1 links to each other with an end of electrokinetic cell 10.One end of first capacitor C 1 links to each other with the other end of first inductance L 1, and the other end of first capacitor C 1 links to each other with the other end of electrokinetic cell 10.

In addition, in an embodiment of the present invention, as shown in Figure 8, should be used for Electric Vehicle power system and comprise also that drain current cut down module 102, drain current is cut down between the 3rd dc terminal a3 of the first dc terminal a1 that module 102 is connected two-way DC/DC module 30 and two-way DC/DC module 30.Particularly, drain current is cut down module 102 and is comprised second capacitor C 2 and the 3rd capacitor C 3, one end of second capacitor C 2 links to each other with an end of the 3rd capacitor C 3, the other end of second capacitor C 2 links to each other with the first dc terminal a1 of two-way DC/DC module 30, the other end of the 3rd capacitor C 3 links to each other with the 3rd dc terminal a3 of two-way DC/DC module 30, wherein, has Section Point B between second capacitor C 2 and the 3rd capacitor C 3.

Common inversion and grid-connected system owing to the transless isolation, the difficult point that the ubiquity drain current is big.Therefore, this power system increases drain current at the dc bus positive and negative terminal and cuts down module 102, can effectively reduce drain current.Drain current is cut down module 102 and is comprised two capacitor C 2 of the same type and C3, it is installed between dc bus positive and negative terminal and the three-phase alternating current midpoint potential, when native system is worked, the high-frequency currents that produces DC side can be fed back to, the high-frequency leakage current of system when work can be effectively reduced.

In one embodiment of the invention, as shown in Figure 8, should be used for Electric Vehicle power system and also comprise filtration module 103, filtering control module 104, EMI module 105 and the second preliminary filling control module 106.

Wherein, filtration module 103 is connected two-way DC/AC module 50 and discharges and recharges between the control module 70.Particularly, as shown in Figure 5, filtration module 103 comprises inductance L _A, L _B, L _CWith capacitor C 4, C5, C6, and two-way DC/AC module 50 can comprise six IGBT, and the point of connection between two IGBT is connected with motor control switch 60 with filtration module 103 by electrical bus respectively up and down.

As shown in Figure 8, filtering control module 104 is connected between Section Point B and the filtration module 103, and controlled device modules 80 controls of filtering control module 104, controller module 80 power system present located mode of operation during for drive pattern control filtering control module 104 disconnect.Wherein, filtering control module 104 can be the electric capacity transfer relay, and K10 forms by contactless switch.EMI module 105 is connected and discharges and recharges socket 20 and discharge and recharge between the control module 70.Need to prove that the position of contactless switch k10 only is schematic in Fig. 8.In other embodiments of the invention, contactless switch K10 also can be located at other positions, as long as can realize the shutoff to filtration module 103.For example, in another embodiment of the present invention, this contactless switch K10 also can be connected between two-way DC/AC module 50 and the filtration module 103.

The second preliminary filling module 106 is with to discharge and recharge control module 70 in parallel, and the second preliminary filling control module 106 is used for capacitor C 4, C5, the C6 of filtration module 103 are carried out precharge.Wherein, the second preliminary filling control module 106 comprises three resistance R of mutual series connection _A, R _B, R _CWith three-phase preliminary filling K switch 9.

In one embodiment of the invention, as shown in Figure 8, discharge and recharge control module 70 and further comprise three phase switch K8 and/or single-phase switch K7, be used for realizing that three-phase discharges and recharges or single-phase discharging and recharging.

That is to say, in an embodiment of the present invention, when power system starts, controller module 80 controls first K switch 1 closure is to carry out precharge to first capacitor C 1 and bus capacitor C0 in the two-way DC/DC module 30, and when the voltage of bus capacitor C0 becomes preset multiple with the voltage of electrokinetic cell 10, control 1 disconnection of first K switch and control second switch K2 closure simultaneously.Like this, by two-way DC/DC module 30 with directly to be connected electrical bus be that big capacity bus capacitor C0 between the dc bus forms the major part of realizing battery low-temp activation technology, be used for the electric energy of electrokinetic cell 10 is charged to big capacity bus capacitor C0 by two-way DC/DC module 30, when again the electric energy that stores among the big capacity bus capacitor C0 being filled the power battery 10(that reverses namely to power battery charging by two-way DC/DC module 30), make the temperature of electrokinetic cell rise to the optimum working temperature scope to electrokinetic cell 10 cycle charge-discharges.

When power system present located mode of operation is drive pattern, controller module 80 controls drive master cock 40 closures to close two-way DC/DC module 30, and control motor control switch 60 closures with the driven motor M, and control discharges and recharges control module 70 disconnections.Like this, be the dc inverter of electrokinetic cell 10 alternating current and flow to motor M by two-way DC/AC module 50, can utilize rotation transformation decoder technique and space vector pulse width modulation (SVPWM) control algorithm to control the operation of motor M.

When power system present located mode of operation is charge and discharge mode, controller module 80 controls drive master cock 40 and disconnect starting two-way DC/DC module 30, and control motor control switch 60 disconnects so that motor M is shifted out, and control discharges and recharges control module 70 closures, and for example three-phase electricity or single-phase electricity can normally be charged for electrokinetic cell 10 by discharging and recharging socket 20 to make external power supply.Namely say, by detecting the relevant information that charging connects signal, AC network electricity system and car load battery management, use two-way DC/AC module 50 and carry out the controlled rectification function, and in conjunction with two-way DC/DC module 30, can realize single-phase three-phase electricity to the charging of vehicle mounted dynamic battery 10.

The Electric Vehicle power system that is used for according to the embodiment of the invention, can realize using civilian or industrial AC network that electronlmobil is carried out the high power AC charging, make the user can be whenever and wherever possible efficiently, charging efficiently, save charging duration, need not constant voltage control setup and constant-current control device simultaneously, save space and cost, and it is wide to be suitable for battery operated voltage range.

In one embodiment of the invention, as shown in Figure 9, controller module 80 comprises control desk 201 and drive plate 202.Wherein, the control module on the control desk 201 adopts two high-speed digital signal process chip (DSP1 and DSP2) to control.Control module on the control desk 201 links to each other with car load information interface 203, and carries out information interaction mutually.Control module on the control desk 201 receives bus voltage sampled signal, IPM guard signal and the IGBT temperature sampling signal etc. of the driver module output on the drive plate 202, and output pulse width modulation (PWM) signal is to driver module simultaneously.

Wherein, as shown in figure 10, DSP1 is mainly used in control, and DSP2 is used for information acquisition.Sampling unit output throttle signal among the DSP1; the bus voltage sampled signal; brake signal; the dc voltage sampled signal; current of electric Hall V phase signals; current of electric Hall W phase signals; charging control current Hall U phase signals; charging control current Hall V phase signals; charging control current Hall W phase signals; the DC current hall signal; inverter voltage U phase signals; inverter voltage V phase signals; inverter voltage W phase signals; line voltage U phase signals; line voltage V phase signals; line voltage W phase signals; inversion U phase lock-on signal; sampled signals such as electrical network U phase lock-on signal; switch control unit output motor A phase switching signal among the DSP1; motor B phase switching signal; electrical network A phase switching signal; electrical network B phase switching signal; electrical network C phase switching signal; three-phase preliminary filling on-off signal and electric capacity transfer relay signal etc.; driver element output A phase PWM1 signal among the DSP1; A phase PWM2 signal; B phase PWM1 signal; B phase PWM2 signal; C phase PWM1 signal; C phase PWM2 signal; DC phase PWM1 signal; DC phase PWM2 signal and IPM guard signal etc., DSP1 also have the varying signal of revolving output control; serial communication; hardware protection; functions such as CAN communication and gear control.Sampling unit output power supply monitor signal among the DSP2, the power supply monitoring signal, throttle 1 signal, 2 signals brake, throttle 2 signals, 1 signal brakes, the motor simulation temperature signal, the electricity leakage sensor signal, heat-sink temperature signal, DC side inductance temperature sampling signal, V phase inductance temperature sampling signal, U phase inductance temperature sampling signal, W phase inductance temperature sampling signal, discharge PWM voltage sampling signal, the obliquity sensor read signal, the obliquity sensor chip selection signal, IGBT temperature sampling W phase signals, IGBT temperature sampling U phase signals, IGBT temperature sampling buck phase signals, IGBT temperature sampling V phase signals, the motor temperature on-off signal, list/three-phase change-over switch signal etc., the control unit that discharges and recharges among the DSP2 is exported the charge and discharge key signal, sleep signal, the discharge pwm signal, battery manager BMS signal, discharge and recharge the output control signal, CP signal and CC signal etc., and DSP2 also has the CAN communication, the serial communication function.

In sum, the embodiment of the invention propose be used for Electric Vehicle power system current collection machine drive function, vehicle control function, AC charging function, the function of supplying power that is incorporated into the power networks, from guipure carry function, vehicle to the Vehicular charging function in one.And this power system is not by various functional module simple physics are combined into one, but on the basis of driving control system for electric machine, by adding some peripheral components, the functional diversities of realization system, space and cost are saved in maximization, improve power density.

Particularly, the function for Electric Vehicle power system simply is described below:

1, motor-driven function: be the dc inverter of electrokinetic cell 10 alternating current and flow to motor M by two-way DC/AC module 50, can utilize rotation transformation decoder technique and space vector pulse width modulation (SVPWM) control algorithm to control the operation of motor M.

That is to say that when this power system got electric work, as shown in figure 11, this systemic-function judged that flow process may further comprise the steps:

S901, power system gets.

S902 judges that charging connects signal.If there being charging to connect signal, then go to step S903, if not then go to step 904.

S903 enters and discharges and recharges control flow.In one embodiment of the invention, also need throttle, gear and brake signal are judged.Be CC signal when effective (discharge and recharge socket 20 and be connected with the charging connecting device) when throttle is 0, gear is the N shelves, parking brake, charging connect, then enter and discharge and recharge control flow.S904 enters the vehicle control flow.

After step S904 enters the vehicle control flow, controller module 80 control motor control switch 60 closures, by CAN communication notice battery manager 108, battery manager 108 control 90 couples of C 1 of high-tension distribution box and C0 carry out preliminary filling, controller module 80 detects bus voltage 187, judge whether preliminary filling is successful, the success back notice battery manager 108 closed master cocies 40 that drive, this system enters drive pattern, 80 pairs of car load information of controller module are gathered simultaneously, by comprehensive judgment processing motor M are driven.

Carry out motor-driven control function: as shown in figure 12, controller module 80 sends pwm signal, two-way DC/AC module 50 is controlled, be the dc inverter of electrokinetic cell 10 alternating current and flow to motor M, controller module 80 resolves rotor-position by magslip, and gathers bus voltage and motor BC phase current can be moved motor M accurately.Say that namely controller module 80 is regulated pwm signal according to the motor BC phase current signal of current sensor sampling and the feedback information of magslip, and motor M can be moved accurately.

Like this, to car load throttle, brake and gear information, judge current operating condition by communication module, realize acceleration, deceleration and the energy feedback function of vehicle, make car load at the following safe and reliable operation of various operating modes, guarantee safety, dynamic property and the ride comfort of vehicle.

2, discharge and recharge function

(1) discharge and recharge function and connect affirmation and startup: as shown in figure 13, this power system discharges and recharges function on and judges that flow process comprises the steps:

S1101 discharges and recharges connecting device and namely discharge and recharge the socket physical connection and finish, and power supply is normal.

Whether S1102, power equipment supply detect charging signals CC and connect normal.If then enter step S1103; If not, then return step S1102, continue to detect.

S1103, whether the voltage that power equipment supply detects the CP check point is 9V.If then enter step S1106; If not, return step S1102, continue to detect.Wherein, 9V is a default example value.

Whether S1104, controller module detect charging signals CC and connect normal.If then enter step S1105; If not, then return step S1104, continue to detect.

S1105 drags down the output charging and connects signal, charging indicator light signal.

S1106 enters and discharges and recharges function.

As shown in figure 14, the control flow of this power system under the battery charger operation mode comprises the steps:

S1201 judges that system gets and whether starts work fully after electric.If then enter step S1202; If not, then return step S1201, continue to judge.

S1202 detects CC check point resistance value, determines charging connecting device capacity.

S1203 judges whether the CP check point detects the pwm signal of fixed duty cycle.If then enter step S1204; If not, then enter step S1205.

S1204 sends the charging connection and charges normal ready message, receives that the BMS charging allows, charging contactor adhesive message, enters step S1206.

S1205, charging connects fault.

S1206, controller module adhesive internal switch.

S1207 judges that Preset Time for example detects outer fill device and whether do not have the transmission of PWM ripple in 1.5 seconds.If then enter step S1208; If not, then enter step S1209.

S1208 is judged as outside GB charging pile, does not send the PWM ripple in the process of charging.

S1209 sends the PWM ripple to power equipment supply.

S1210 judges whether Preset Time for example detects the interchange input in 3 seconds normal.If then enter step S1213; If not, then enter step S1211.

S1211 exchanges outer fill device fault.

S1212 carries out exception handling.

S1213 enters the charging stage.

That is to say, as Figure 13 and shown in Figure 14, behind power equipment supply and the controller module 80 self check troubles free, determine charging connecting device capacity according to detecting the CC signal voltage value, detecting the CP signal determines whether to connect fully, discharge and recharge after connecting device connects affirmation fully, sending charging connects normal and the ready message of charging, battery manager 108 control high-tension distribution boxes 90 closed first K switch 1 are carried out preliminary filling, after finishing, preliminary filling disconnects K1, adhesive second switch K2, controller module 80 receives that the BMS charging allows, second switch K2 adhesive message, discharge and recharge readyly, can function be set by instrument, as follows: AC charging function (G to V, electrical network is to electronlmobil), carry function (Vto L from guipure, electronlmobil is to load), the function that is incorporated into the power networks (V to G, electronlmobil is to electrical network) and vehicle are to Vehicular charging function (V to V, electronlmobil is to electronlmobil).

(2) AC charging function (G to V): this power system receives the instrument charging instruction, battery manager 108 allows maximum charging current, the maximum supply current of power equipment supply and discharges and recharges the rated current that connecting device namely discharges and recharges socket 20, controller module 80 is judged charging current minimum among the three, selects the charging correlation parameter automatically.And, the alternating current that this power system is carried by 183 pairs of power equipment supply of line voltage sampling is sampled, controller module 80 calculates the alternating current voltage effective value by sampled value, by catching to determine ac frequency, judge alternating current electricity system according to magnitude of voltage and frequency, choose the control parameter according to electrical network electricity system.After determining the control parameter, K9 in the controller module 80 controls second preliminary filling module 106 and the contactless switch K10 adhesive in the filtering control module 104, C0 charges to PWM DC side bus capacitor, controller module 80 is sampled by the voltage of 187 pairs of bus capacitors, for example with after the voltage of electrokinetic cell becomes preset multiple control adhesive three phase switch K8 again when capacitance voltage reaches selected control parameter, disconnect K9 simultaneously.This moment, this power system was according to the chosen in advance parameter, controller module 80 sends pwm signal, control 50 pairs of alternating current of two-way DC/AC module and carry out rectification, again according to electrokinetic cell voltage, controlling 30 pairs of voltages of two-way DC/DC module regulates, at last direct current (DC) is flowed to electrokinetic cell 10, in this process, controller module 80 is according to the phase current of chosen in advance target charging current and current sample 184 feedbacks, whole power system is carried out the electric current loop of closed loop and regulate, the final realization charged to vehicle mounted dynamic battery 10.Thus, by detecting the relevant information that charging connects signal, AC network electricity system and car load battery management, use two-way DC/AC module 50 and carry out the controlled rectification function, in conjunction with two-way DC/DC module 30, can realize single-phase three-phase electricity to the charging of vehicle mounted dynamic battery 10.

(3) carry function (V to L) from guipure: this power system receives instrument V to L instruction, judge that at first power battery charged state SOC is whether can discharge range, if allow discharge, again according to Instruction Selection output electricity system, according to the rated current that discharges and recharges connecting device, Intelligence Selection output maximum output power and given control parameter, system enters control flow.At first controller module 80 is controlled adhesive three phase switch K8, contactless switch K10, according to cell pressure and given output voltage, the transmission pwm signal is controlled 30 pairs of voltages of two-way DC/DC module and is regulated, reach that to flow to two-way DC/AC module 50 after the expected value be alternating current to dc inverter, the charging socket by special use can directly be the consumer power supply.In this process, controller module 80 is regulated the work that proof load is safe and reliable according to voltage sample 183 feedbacks.

Namely say, system powers on, when the V to L control command of receiving instrument and the requirement processed of output electricity, detect the relevant information that charging connects signal and car load battery management, voltage according to battery carries out the DC/DC voltage transitions, use two-way DC/AC module 50 and carry out the ac converter function, output stabilized single phase three-phase alternating voltage.

(4) function of supplying power (V to G) that is incorporated into the power networks: this power system receives instrument V to G instruction, judge that at first electrokinetic cell SOC is whether can discharge range, if allow discharge, again according to Instruction Selection output electricity system, according to the rated current that discharges and recharges connecting device, Intelligence Selection output maximum output power and given control parameter, power system enters control flow.At first controller module 80 is controlled adhesive three phase switch K8, contactless switch K10, according to cell pressure and given output voltage, the transmission pwm signal is controlled 30 pairs of voltages of two-way DC/DC module and is regulated, be dc inverter alternating current through two-way DC/AC module 50, phase current according to chosen in advance discharge current expected value and current sample 184 feedbacks, whole power system is carried out the electric current loop of closed loop and regulate, realize generating electricity by way of merging two or more grid systems.

That is to say, power system powers on, when the V to G control command of receiving instrument, detect the relevant information that charging connects signal, AC network electricity system and car load battery management, voltage according to battery carries out the DC/DC voltage transitions, use two-way DC/AC module 50 and carry out ac converter, realize single-phase the three-phase vehicle to the electrical network discharging function.

(5) vehicle is to Vehicular charging function (V to V): V to V function need be used special-purpose connection plug, and to connect signal CC effective when power system detects charging, and detects its level and confirm as VTOV special charging plug, waits for the instrument order.For example, suppose that vehicle A charges to vehicle B, then vehicle A is set to discharge regime and namely is set to carry function from guipure, vehicle B is set to the AC charging state, the controller module of vehicle A sends to charge with connecting and charges normal ready message to battery manager, and battery manager control charging and discharging circuit preliminary filling sends charging permission, charging contactor adhesive message to controller module after finishing, this power system is carried out discharging function, and sends pwm signal.After vehicle B receives charging instruction, its system detects the CP signal, it is ready to be judged as power supply vehicle A, controller module 80 sends and connects normal message to battery manager, battery manager is finished the preliminary filling flow process after receiving instruction, the notification controller module, and whole power system charging is ready, start charge function (G to V), realize that at last vehicle is to filling function.

That is to say that system powers on, when the V to V control command of receiving instrument, detect the relevant information that charging connects signal and car load battery management, vehicle is set is interchange out-put supply state, the CP of analog charge box output simultaneously semiotic function, realization and the vehicle that needs to charge carry out alternately.This vehicle carries out the DC/DC voltage transitions according to the voltage of battery, uses two-way DC/AC module 50 and carries out ac converter, realize single-phase the three-phase vehicle to vehicle to filling function.

In one embodiment of the invention, as shown in figure 15, the control flow of this power system when charging electric vehicle finishes comprises the steps:

S1301, power equipment supply disconnects power switch, stops to exchange output, enters step S1305.

S1302, controller module control stops charging, unloads, and enters next step S1303.

S1303, breaking inner switch after unloading is finished sends the charging end message.

S1304 sends power down request.

S1305, charging finishes.

Wherein, as shown in figure 16, power equipment supply 301 links to each other with the vehicle plug 303 of electronlmobil 1000 by power supply plug 302, thereby realizes electronlmobil 1000 is charged.Wherein, Electric Vehicle power system detects the CP signal and detects the CC signal by check point 4 by check point 3, and power equipment supply detects the CP signal and detects the CC signal by check point 2 by check point 1.And after charging was finished, all control disconnected the internal switch S2 in power supply plug 302 and the vehicle plug 303.

In another embodiment of the present invention, electronlmobil can also adopt a plurality of power system parallel connections that electrokinetic cell is charged, and for example adopts after two power system parallel connections power battery charging, and wherein two power systems share controller modules.

In the present embodiment, as shown in figure 17, this charging system for electric automobile comprises electrokinetic cell 10, first charging paths 401, second charging paths 402 and controller module 80.Wherein, first charging paths 401 and second charging paths 402 include and discharge and recharge socket 20, two-way DC/DC module 30, bus capacitor C0, two-way DC/AC module 50, filtration module 103, discharge and recharge control module 70 and the second preliminary filling module 106.And first charging paths 401 and second charging paths 402 also comprise fuse FU.Electrokinetic cell 10 links to each other with first charging paths by the first preliminary filling control module 101, electrokinetic cell 10 also links to each other with second charging paths by the first preliminary filling control module 101, controller module 80 links to each other with second charging paths 402 with first charging paths 401 respectively, when wherein controller module 80 was used for receiving charging signals, the control electrical network charged by first charging paths 401 and 402 pairs of electrokinetic cells 10 of second charging paths respectively.

In addition, another embodiment of the present invention has also proposed a kind of charge control method of elec. vehicle, and this charge control method may further comprise the steps:

Step S1, controller module detect first charging paths and link to each other with power equipment supply by discharging and recharging socket, and second charging paths sends charging to battery manager and connects signal when linking to each other with power equipment supply by discharging and recharging socket.

Step S2, battery manager detect and judge also whether electrokinetic cell needs charging after receiving the charging connection signal of controller module transmission, when electrokinetic cell need charge, carry out next step.

Step S3, battery manager sends charging signals to controller module.

Step S4, when controller module received charging signals, the control electrical network charged to electrokinetic cell by first charging paths and second charging paths respectively.

Adopt charging system for electric automobile and the charge control method thereof of technique scheme, controller module charges to electrokinetic cell by first charging paths and second charging paths respectively by the control electrical network, make the charge power of battery-driven car increase, thereby shorten charging duration greatly, realize fast charge, saved time cost.

In an embodiment of the present invention, above-mentioned in extensive range for the Electric Vehicle power system compatibility, have single-phase three-phase handoff functionality, and adapt to country variant electrical network electricity standard processed.

Particularly, as shown in figure 18, discharge and recharge socket 20 and have the function that two charging sockets (for example U.S. mark and Europe superscript) switch.This discharges and recharges socket 20 and comprises that for example mark, for example Europe superscript, two high voltage connector K503, K504 form three-phase charging socket 502 by U.S. for single-phase charging socket 501.Single-phase charging socket 501 shares with CC, CP and the PE of three-phase charging socket 502, and the L of single-phase charging socket 501, N phase line are connected with A, the B of three-phase charging socket 503 by contactless switch K503, K504.Controller module 80 receives single-phase discharging and recharging when instructing, control contactor K503, K504 closure, make L, the conducting of N phase line of A, the B of three-phase charging socket 502 and single-phase charging socket 501, three-phase charging socket 502 is not done use, replace the L of single-phase charging socket 501, N phase line to be connected with charging plug mutually by A, the B of three-phase charging socket 502, controller module 80 can normally be realized single-phase charge function.

Perhaps, utilize standard 7 core sockets, between N line and B phase line, increase single-phase switch K7, controller module 80 receives the single-phase instruction that discharges and recharges, control single-phase switch K7 adhesive makes the B phase line be connected with the N line, is used as L, N phase line by A, B, connection plug need be used special-purpose connection plug, or its B, C do not do the connection plug of use mutually.

That is to say, in an embodiment of the present invention, power system will be according to the voltage of controller module 80 detection of grid, by calculating frequency and the single-phase/three-phase of judging electrical network, according to computing information with after drawing the electricity system, controller module 80 is according to the type that discharges and recharges plug 20 and electrical network electricity system, select different control parameters, control 50 pairs of alternating-current voltage/AC voltages of two-way DC/AC module and carry out controlled rectification, two-way DC/DC module 30 is carried out pressure regulation according to cell pressure to direct current (DC), flows to electrokinetic cell 10 at last.

In another example of the present invention, as shown in figure 19, put the socket that plug is two cores, three cores and four-core from guipure, link to each other with charging plug, can export single-phase, three-phase, four electricity system mutually.

According to the integrated control system of the electronlmobil of the embodiment of the invention difference according to mode of operation, can realize that the unified of each working state of system switches, coordinate each discrete part of control vehicle, compatible strong, and owing to have cooling system, heat radiation requirement when satisfying high power work can be satisfied electronlmobil difference in functionality demand and expansion, has good comformability.This system realizes the compatibility to electronlmobil driving, charging, external discharging function requirement, and can satisfy the requirement of high-power output.

Describe and to be understood that in the diagram of circuit or in this any process of otherwise describing or method, expression comprises module, fragment or the part of code of the executable instruction of the step that one or more is used to realize specific logical function or process, and the scope of preferred implementation of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by the embodiments of the invention person of ordinary skill in the field.

In diagram of circuit the expression or in this logic of otherwise describing and/or step, for example, can be considered to the sequencing tabulation for the executable instruction that realizes logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (as the computer based system, comprise that the system of treater or other can be from the systems of instruction execution system, device or equipment fetch instruction and execution command), or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification sheets, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronics package) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM) (ROM), can wipe and to edit read-only memory (ROM) (EPROM or flash memory), fiber device, and portable optic disk read-only memory (ROM) (CDROM).In addition, computer-readable medium even can be paper or other the suitable media that to print described program thereon, because can be for example by paper or other media be carried out optical scanning, then edit, decipher or handle to obtain described program in the electronics mode with other suitable methods in case of necessity, then it is stored in the computer storage.

Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in the memory device and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, in the available following technology well known in the art each or their combination realize: have for the discrete logic of data-signal being realized the logic gates of logic function, special IC with suitable combinatory logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.

Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises one of step or its combination of method embodiment when carrying out.

In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.

The above-mentioned storage medium of mentioning can be read-only memory (ROM), disk or CD etc.

In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.

Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment that scope of the present invention is by claims and be equal to and limit.

Claims

1. the integrated control system of an electronlmobil is characterized in that, comprising:

Electrokinetic cell;

High-tension distribution box, described high-tension distribution box links to each other with described electrokinetic cell;

Drive and discharge and recharge integrated manipulator, described driving and discharge and recharge integrated manipulator and link to each other with described electrokinetic cell by described high-tension distribution box, and described driving and discharge and recharge integrated manipulator respectively with motor with discharge and recharge socket and link to each other, described driving and discharge and recharge integrated manipulator and be used for when described electronlmobil is in drive pattern, driving described motor, and when described electronlmobil is in charge and discharge mode, by the described socket that discharges and recharges described electrokinetic cell is discharged and recharged;

Auxiliary high tension apparatus, described auxiliary high tension apparatus links to each other with described electrokinetic cell by described high-tension distribution box;

The one DC/DC module, a described DC/DC module links to each other with described electrokinetic cell by described high-tension distribution box; And

Controller, described controller links to each other with described high-tension distribution box, is used for the described high-tension distribution box of control with in described driving and discharge and recharge integrated manipulator, described auxiliary high tension apparatus and a described DC/DC module and carry out precharge by described high-tension distribution box before powering on.

2. the integrated control system of electronlmobil as claimed in claim 1 is characterized in that, described high-tension distribution box comprises:

The first preliminary filling control module and first switch in parallel with the described first preliminary filling control module, one end of the described first preliminary filling control module and described first switch links to each other with an end of described electrokinetic cell, and the other end of the described first preliminary filling control module and described first switch and described driving and first end that discharges and recharges integrated manipulator link to each other;

The second preliminary filling control module and the second switch in parallel with the described second preliminary filling control module, one end of the described second preliminary filling control module and described second switch links to each other with an end of described electrokinetic cell, and the other end of the described second preliminary filling control module and described second switch links to each other with first end of a described DC/DC module;

The 3rd preliminary filling control module and three switch in parallel with described the 3rd preliminary filling control module, one end of described the 3rd preliminary filling control module and described the 3rd switch links to each other with an end of described electrokinetic cell, and the other end of described the 3rd preliminary filling control module and described the 3rd switch links to each other with first end of described auxiliary high tension apparatus;

The 4th switch, an end of described the 4th switch links to each other with the other end of described electrokinetic cell, and described the 4th switch respectively with described driving and discharge and recharge integrated manipulator, a described DC/DC module with shown in second end of auxiliary high tension apparatus link to each other; And

The 5th switch, an end of described the 5th switch links to each other with an end of described electrokinetic cell, and described the 5th switch and described driving and the 3rd end that discharges and recharges integrated manipulator link to each other.

3. the integrated control system of electronlmobil as claimed in claim 2 is characterized in that,

When described electronlmobil is in drive pattern or charge and discharge mode, described controller by the described first preliminary filling control module to described driving and discharge and recharge integrated manipulator and carry out precharge closed described the 4th switch simultaneously, when described driving and the bus voltage that discharges and recharges integrated manipulator become preset multiple with the voltage of described electrokinetic cell, control that the described first preliminary filling control module is turn-offed and closed described first switch.

4. the integrated control system of electronlmobil as claimed in claim 3, it is characterized in that, after described first switch of closure, described controller also carries out precharge by described the 3rd preliminary filling control module to described auxiliary high tension apparatus, when the bus voltage of described auxiliary high tension apparatus becomes preset multiple with the voltage of described electrokinetic cell, control described the 3rd preliminary filling control module and turn-off also closed described the 3rd switch.

5. the integrated control system of electronlmobil as claimed in claim 4, it is characterized in that, when described electronlmobil is in drive pattern, after described the 3rd switch of closure, described controller also carries out precharge by the described second preliminary filling control module to a described DC/DC module, when the bus voltage of a described DC/DC module becomes preset multiple with the voltage of described electrokinetic cell, control the described second preliminary filling control module and turn-off and closed described second switch.

6. the integrated control system of electronlmobil as claimed in claim 1 is characterized in that, also comprises:

Refrigerating module, described refrigerating module are used for described integrated control system is cooled off.

7. the integrated control system of electronlmobil as claimed in claim 2 is characterized in that, described driving and discharge and recharge integrated manipulator and further comprise:

Two-way DC/DC module, first dc terminal of described two-way DC/DC module links to each other with the other end of described the 4th switch, second dc terminal of described two-way DC/DC module links to each other with the other end of the described first preliminary filling control module and described first switch, wherein, described first dc terminal is the common DC end of described two-way DC/DC module input and output;

Two-way DC/AC module, first dc terminal of described two-way DC/AC module links to each other with the other end of described driving master cock, and second dc terminal of described two-way DC/AC module links to each other with the other end of described the 4th switch;

Motor control switch, an end of described motor control switch links to each other with the end that exchanges of described two-way DC/AC module, and the other end of described motor control switch links to each other with motor;

Discharge and recharge control module, a described end that discharges and recharges control module links to each other with the end that exchanges of described two-way DC/AC module, and the described other end that discharges and recharges control module links to each other with the described socket that discharges and recharges; And

Controller module, described controller module is with described driving master cock, motor control switch and discharge and recharge control module and link to each other, and described controller module is used for according to described power system present located mode of operation to described driving master cock, motor control switch with discharge and recharge control module and control.

8. the integrated control system of electronlmobil as claimed in claim 7 is characterized in that,

When described power system present located mode of operation is drive pattern, described controller module is controlled described the 5th switch closure to close described two-way DC/DC module, and control described motor control switch closure, and control the described control module disconnection that discharges and recharges.

9. the integrated control system of electronlmobil as claimed in claim 8 is characterized in that,

When described power system present located mode of operation is charge and discharge mode, described controller module is controlled described the 5th switch and is disconnected starting described two-way DC/DC module, and control described motor control switch disconnection, and control the described control module closure that discharges and recharges.

10. the integrated control system of electronlmobil as claimed in claim 7 is characterized in that, described two-way DC/DC module further comprises:

First switching valve and the second switch pipe of mutual series connection, first switching valve of described mutual series connection and second switch pipe are connected between first dc terminal and the 3rd dc terminal of described two-way DC/DC module, described first switching valve and second switch pipe are subjected to the control of described controller module, wherein, has first node between described first switching valve and the second switch pipe;

First diode, described first diode and the described first switching valve reverse parallel connection;

Second diode, described second diode and described second switch pipe reverse parallel connection;

First inductance, an end of described first inductance links to each other with described first node, and the other end of described first inductance links to each other with an end of described electrokinetic cell; And

First electric capacity, an end of described first electric capacity links to each other with the other end of described first inductance, and the other end of described first electric capacity links to each other with the other end of described electrokinetic cell.

11. the integrated control system of electronlmobil as claimed in claim 7 is characterized in that, described driving and discharge and recharge integrated manipulator and also comprise:

Drain current is cut down module, and described drain current is cut down module and is connected between the 3rd dc terminal of first dc terminal of described two-way DC/DC module and described two-way DC/DC module.

12. the integrated control system of electronlmobil as claimed in claim 11 is characterized in that, described drain current is cut down module and is further comprised:

Second electric capacity and the 3rd electric capacity, one end of described second electric capacity links to each other with an end of described the 3rd electric capacity, the other end of described second electric capacity links to each other with first dc terminal of described two-way DC/DC module, the other end of described the 3rd electric capacity links to each other with the 3rd dc terminal of described two-way DC/DC module, wherein, has Section Point between described second electric capacity and the 3rd electric capacity.

13. the integrated control system of electronlmobil as claimed in claim 12 is characterized in that, described driving and discharge and recharge integrated manipulator and also comprise:

Filtration module, described filtration module are connected described two-way DC/AC module and described discharging and recharging between the control module.

14. the integrated control system of electronlmobil as claimed in claim 13 is characterized in that, described driving and discharge and recharge integrated manipulator and also comprise:

The filtering control module, described filtering control module is connected between described Section Point and the described filtration module, described filtering control module is controlled by described controller module, and described controller module is controlled described filtering control module during for drive pattern at described power system present located mode of operation and disconnected.

15. the integrated control system of electronlmobil as claimed in claim 7 is characterized in that, also comprises:

The second preliminary filling control module, the described second preliminary filling module is in parallel with the described control module that discharges and recharges, and the described second preliminary filling control module is used for the electric capacity of described filtration module is carried out precharge.

16. the integrated control system of electronlmobil as claimed in claim 7 is characterized in that, the described control module that discharges and recharges further comprises:

Three phase switch and/or single-phase switch are used for realizing that three-phase discharges and recharges or single-phase discharging and recharging.

17. an electronlmobil is characterized in that, comprises each described integrated control system as claim 1-16.