CN1060294C - Fast storage battery charging method and device - Google Patents
Fast storage battery charging method and device Download PDFInfo
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- CN1060294C CN1060294C CN97125842A CN97125842A CN1060294C CN 1060294 C CN1060294 C CN 1060294C CN 97125842 A CN97125842 A CN 97125842A CN 97125842 A CN97125842 A CN 97125842A CN 1060294 C CN1060294 C CN 1060294C
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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
Abstract
The present invention relates to a method and a device for fast charging accumulators. The device for fast charging accumulators is fast charging equipment for lead-acid accumulators, and adopts a method of charging the accumulators firstly by using a DC high current and then a pulse current. In the whole charging process, a single chip computer is used for detecting and analyzing a charging current and the voltage of the accumulators in real time, and accurately and automatically regulating the charging current according to a current curve required by the electrochemical reaction of the accumulators to be charged, and the accumulators are just in a micro-gassing state so as to ensure that the accumulators are in the optimal charging state. The charging device has the advantages of high efficiency, energy saving, and service life extension of the accumulators.
Description
The invention belongs to fast storage battery charging method and device.For many years, people just want to distinguish method quickening charging rate always, shorten and encode the time.Along with the raising of charging rate, charging current is more and more big, and when the electric energy that provided of charging surpassed internal storage battery and produces the required electric energy of electrochemical reaction, unnecessary electric energy just was used in brine electrolysis.Gas that brine electrolysis produces and the too high meeting of pole plate temperature make the active material on the accumulator plate loosening, come off, make pole plate grid frame oxidized, corrosion, thereby the capacity of storage battery and life-span are descended thereupon, prevent to overcharge and work as battery temp when reaching setting for addressing the above problem available technology adopting, the method that reduces charging current or stop to charge, it is too high to avoid producing because of overcharging a large amount of gases and battery temp, representative such as Japan Patent JP-235373 as prior art, U.S. Pat-4392101, US-3852652, above technology can only prevent to overcharge too high with battery temp, but can not guarantee battery capacity and life-span.Its reason one is: prior art can only reduce and produces a large amount of gases because of overcharging, can not prevent that but storage battery from producing a large amount of gases during full charge, the infringement that a large amount of gases that produce during this cause storage battery is more greater than the infringement that causes during overcharging; Reason two is: when storage battery produces a large amount of gases and temperature when too high, the just simple generation of avoiding adverse consequences by the minimizing charging current of prior art.
The objective of the invention is to propose the device of a kind of fast storage battery charging method and quick charge according to said method, the capacity of storage battery and useful life are without prejudice in charging.
The object of the present invention is achieved like this, and a kind of fast storage battery charging method is to charge with D.C. high-current earlier by the current curve that is filled storage battery electrochemical reaction needs, and wherein D.C. high-current is along with the charging interval is reduced charging current gradually; When the charge in batteries capacity reached 70%～80% capacity, again with many groups continuous impulse low current charge, pulse current amplitude was 0.1A, 10 milliseconds of pulse durations, single group pulse duration is t, and be 10 seconds blanking time between the pulse group, and the step of above-mentioned charging is:
(1) surveys battery tension and set the battery tension grade;
(2) set maximum charging current;
(3) computer provides charging current, trial charging;
(4) survey battery tension---judging whether needs to adjust charging current, is to return
(3); Do not need to adjust charging current, continue;
(5) given charging voltage;
(6) calculate monomer voltage, given charging end voltage;
(7) can carry out the manual modification end voltage;
(8) the given charging current of computer is carried out the D.C. high-current charging;
(9) survey battery tension---judge whether to finish large current charge, do not finish, return (8); Finish large current charge, the priming pulse low current charge;
(10) to provide pulse current amplitude be 0.1A to computer, 10 milliseconds of pulse durations, and single group pulse duration is t, be 10 seconds blanking time between the pulse group, begins to carry out the pulse low current charge;
(11) survey battery tension, when battery tension was lower than the charging end voltage, the pulse low current charge did not finish; When battery tension was higher than the charging end voltage, charging finished.
The equipment of realization fast storage battery charging method is made up of lower pressure rectifier circuit, high-voltage rectifier, open-phase protection and circuit, control circuit, inverter, high-frequency rectification dc output circuit, A/D sample circuit, current sensor, Alternating Current Power Supply contactor and computer.
Illustrate referring to accompanying drawing.
Fig. 1 charge in batteries electric current and time plot.
Fig. 2 battery charging process gassing rate curve chart.
Fig. 3 fast battery charger block diagram.
Fig. 4 fast battery charger circuit theory diagrams.
Fig. 5 single chip circuit schematic diagram.
Fig. 6 charge in batteries flow chart.
Referring to Fig. 1,1. curve is the current curve that the storage battery electrochemical reaction needs; 2. curve is charging device charging current curve of the present invention, and the A point is the maximum charging current that charging device provides; 3. curve is prior art charging current curve.When charging when 1. curve gives charging current, do not produce gas basically.Referring to Fig. 2, if the charging flow curve moves, then produce gassing rate increase along curve 1 outside, in move then opposite.Fig. 2 bend partly is gassing district not.
For storage battery is damaged between whole charge period, must makes gas output be limited in trace and go out gaseity.Device of the present invention is tested automatically to filling storage battery, begin to use large current charge, gassing rate is often very little, along with time lengthening, reduce charging current from merit, after detecting battery tension, change the pulse mode low current charge into, be to reduce gas output in the pulse current charge, and avoid battery temp to rise by changing current effective value.These are to be finished by software program.
Referring to Fig. 6, above-mentioned D.C. high-current charging and many group continuous impulse low current charges, realize by above-mentioned flow process:
A kind of fast storage battery charging method is characterized in that charging with D.C. high-current earlier by the current curve that is filled storage battery electrochemical reaction needs, and wherein D.C. high-current is along with the charging interval is reduced charging current gradually; When the charge in batteries capacity reaches 70%～80% capacity, again with many groups continuous impulse low current charge, pulse current amplitude is 0.1A, 10 milliseconds of pulse durations, single group pulse duration is t (wherein t press curve by computer 2. definite), be 10 seconds blanking time between the pulse group, and the step of above-mentioned charging is:
(1) surveys battery tension and set the battery tension grade;
(2) set maximum charging current;
(3) computer provides charging current, trial charging;
(4) survey battery tension---judging whether needs to adjust charging current, is to return
(3); Do not need to adjust charging current, continue;
(5) given charging voltage;
(6) calculate monomer voltage, given charging end voltage;
(7) can carry out the manual modification end voltage;
(8) the given charging current of computer is carried out the D.C. high-current charging;
(9) survey battery tension---judge whether to finish large current charge, do not finish, return (8); Finish large current charge, the priming pulse low current charge;
(10) to provide pulse current amplitude be 0.1A to computer, 10 milliseconds of pulse durations, and single group pulse duration is t, be 10 seconds blanking time between the pulse group, begins to carry out the pulse low current charge;
(11) survey battery tension, when battery tension was lower than the charging end voltage, the pulse low current charge did not finish; When battery tension was higher than the charging end voltage, charging finished.
Referring to Fig. 3-Fig. 5, fast battery charger of the present invention, comprise lower pressure rectifier circuit 1, high-voltage rectifier 2 and open-phase protection circuit 3, computer 10, computer 10 usefulness be single-chip microcomputer, it is characterized in that also comprising control circuit 4, inverter 5, high-frequency rectification dc output circuit 6, A/D sample circuit 7, current sensor 8 and Alternating Current Power Supply relay 9, wherein, lower pressure rectifier circuit 1 provides computer required operating voltage, the electric current A/D sampling end of computer 10 connects the output of current sensor circuit 8, the voltage A/D sampling end of computer 10 is connected to the battery voltage sampling output of A/D sample circuit 7,380 volts or 440 volts of alternating currents are through open-phase protection circuit 3, connect Alternating Current Power Supply relay 9, Alternating Current Power Supply relay 9 connects high-voltage rectifier 2, high-voltage rectifier 2 connects inverter 5, inverter 5 outputs connect high-frequency rectification dc output circuit 6, the output of high-frequency rectification dc output circuit 6 meets storage battery and series resistor R1 through current sensor 8, R2, the E end of the D/A output connection control circuit 4 of computer 10, the P1.3 end of computer 10 connects the F end of control circuit 4, the output G of control circuit 4, H connects the control end N and the P of inverter 5 respectively; A/D sample circuit 7 is connected with the two ends of resistance R 1.
Referring to Fig. 4, the fast battery charger circuit theory diagrams, the quick charge process is as follows:
Earlier 380 volts or 440 volts of alternating currents are become high voltage direct current through rectification, after inverter becomes the high-frequency alternating current of 18KHZ-22KHZ, be output as needed 6-100 through rectification again and lie prostrate adjustable DC voltage, electric current is output as 0-22A.Inverter provides the pulse of this charge power supply and automatic stabilisation at needed voltage, electric current.The input of the input port E of control circuit is the control voltage of sending here with computer, is used to set variable direct voltage, i.e. the Control current output variable.The delivery outlet F of control circuit is the level of being sent here by computer P1.3 end, and charging modes is selected in control, and low level is the pulse low current charge, and high level is the D.C. high-current charging.The current sensor sampling is controlled by computer, by sending control voltage after the COMPUTER CALCULATION, is used for the Control current output variable.
Among the embodiment, the electric current of 0-220A is divided into 255 ladder grades.The current sensor sample rate current selects for use high-power FET BT and electric capacity to form; A/D sample circuit sampled voltage is selected electric voltage/frequency converter for use, is converted to precision 13 bit bytes, and minimum resolution is 75mV, has satisfied the voltage tester precision.Control circuit is made up of oscillator IC4 and operational amplifier IC5, IC6 and resistance capacitance.
Referring to Fig. 5, among the embodiment, central processing unit U1 adopts the 89C51 chip, and inside has the random memory of 4K read-only memory and 256 bytes.The program of quick charge leaves in the read-only storage storage of 4K.The D/A digital voltage is converted to eight bit byte, is used for electric current, voltage control to inverter.74LS138 is an address decoding circuitry, is 65 port address unit, and LED is that seven segment digital tubes shows the voltage in the charging process, parameters such as electric current and charging modes.U5, U6 are the function key circuit.
The present invention has compared with prior art realized not damaging battery guaranteeing accumulator capacity Under the prerequisite in life-span, charging interval of battery has been shortened 2/3rds. Charging of the present invention Equipment adopts earlier and charges with D.C. high-current, and then is held with the method for pulse low current charge The battery charging. The charging all processes in, by single-chip microcomputer in real time to charging current and storage battery Compress into capable detection, analyze, and accurate by the current curve that is recharged pond electrochemical reaction needs Automatically adjust charging current. Battery only is in micro-gassing state in whole charging processes, Guarantee that battery is in the optimal charge state. This charging device high efficiency, energy savings, and energy The service life of pipe range battery.
Claims (2)
1, a kind of fast storage battery charging method is characterized in that charging with D.C. high-current earlier by the current curve that is filled storage battery electrochemical reaction needs, and wherein D.C. high-current is along with the charging interval is reduced charging current gradually; When the charge in batteries capacity reached 70%～80% capacity, again with many groups continuous impulse low current charge, pulse current amplitude was 0.1A, 10 milliseconds of pulse durations, single group pulse duration is t, and be 10 seconds blanking time between the pulse group, and the step of above-mentioned charging is:
(1) surveys battery tension and set the battery tension grade;
(2) set maximum charging current;
(3) computer provides charging current, trial charging;
(4) survey battery tension---judging whether needs to adjust charging current, is to return
(3); Do not need to adjust charging current, continue;
(5) given charging voltage;
(6) calculate monomer voltage, given charging end voltage;
(7) can carry out the manual modification end voltage;
(8) the given charging current of computer is carried out the D.C. high-current charging;
(9) survey battery tension---judge whether to finish large current charge, do not finish, return (8); Finish large current charge, the priming pulse low current charge;
(10) to provide pulse current amplitude be 0.1A to computer, 10 milliseconds of pulse durations, and single group pulse duration is t, be 10 seconds blanking time between the pulse group, begins to carry out the pulse low current charge;
(11) survey battery tension, when battery tension was lower than the charging end voltage, the pulse low current charge did not finish; When battery tension was higher than the charging end voltage, charging finished.
2, a kind of fast battery charger, comprise lower pressure rectifier circuit (1), high-voltage rectifier (2) and open-phase protection circuit (3), computer (10), computer (10) usefulness be single-chip microcomputer, it is characterized in that also comprising control circuit (4), inverter (5), high-frequency rectification dc output circuit (6), A/D sample circuit (7), current sensor (8) and Alternating Current Power Supply relay (9), wherein, lower pressure rectifier circuit (1) provides computer required operating voltage, the electric current A/D sampling end of computer (10) connects the output of current sensor circuit (8), the voltage A/D sampling end of computer (10) is connected to the battery voltage sampling output of A/D sample circuit (7), 380 volts or 440 volts of alternating currents are through open-phase protection circuit (3), connect Alternating Current Power Supply relay (9), Alternating Current Power Supply relay (9) connects high-voltage rectifier (2), high-voltage rectifier (2) connects inverter (5), inverter (5) output connects high-frequency rectification dc output circuit (6), the output of high-frequency rectification dc output circuit (6) meets storage battery and series resistor (R1 through current sensor (8), R2) end (E) of the D/A output connection control circuit (4) of computer (10), the end (P1.3) of computer (10) connects the end (F) of control circuit (4), the output (G of control circuit (4), H) do not connect the control (N of inverter (5), P); A/D sample circuit (7) is connected with the two ends of resistance (R1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97125842A CN1060294C (en) | 1997-12-25 | 1997-12-25 | Fast storage battery charging method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97125842A CN1060294C (en) | 1997-12-25 | 1997-12-25 | Fast storage battery charging method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1215941A CN1215941A (en) | 1999-05-05 |
| CN1060294C true CN1060294C (en) | 2001-01-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97125842A Expired - Fee Related CN1060294C (en) | 1997-12-25 | 1997-12-25 | Fast storage battery charging method and device |
Country Status (1)
| Country | Link |
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| CN (1) | CN1060294C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100511813C (en) * | 2005-06-21 | 2009-07-08 | 江苏双登集团有限公司 | Formation method for shortening formation time within lead-acid storage battery |
| CN101588081B (en) * | 2009-07-06 | 2011-05-18 | 刘福芹 | Microcomputer lead acid batteries charger |
| CN102082458B (en) * | 2010-12-31 | 2014-01-15 | 易事特电力系统技术有限公司 | Inverter intelligent charging control method |
| CN102136614B (en) * | 2011-02-18 | 2013-06-19 | 江苏理工学院 | Self-adapting charging method for valve-regulated lead-acid storage battery |
| CN107757394B (en) * | 2017-08-29 | 2019-09-20 | 宝沃汽车（中国）有限公司 | Method for charging batteries, device and vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4392101A (en) * | 1978-05-31 | 1983-07-05 | Black & Decker Inc. | Method of charging batteries and apparatus therefor |
-
1997
- 1997-12-25 CN CN97125842A patent/CN1060294C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4392101A (en) * | 1978-05-31 | 1983-07-05 | Black & Decker Inc. | Method of charging batteries and apparatus therefor |
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| Publication number | Publication date |
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| CN1215941A (en) | 1999-05-05 |
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Free format text: CORRECT: PATENTEE; FROM: SAIBO ENERGY SOURCE TECH. CO., LTD., BEIJING TO: BEIJING CHARGEKING ENERGYTECHNOLOGY DEVELOPMENT CO.,LTD. |
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Address after: 100176, Beijing economic and Technological Development Zone Hongda North Road No. 1, building 8, 2 floor Patentee after: Jiajie-Hengxin Energy Technology Co., Ltd., Beijing Address before: 100051, No. 221 West Avenue, Pearl City, Beijing, Xuanwu District Patentee before: Saibo Energy Source Tech. Co., Ltd., Beijing |
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