CN102951036B - Power system of 2V single lead-acid power batteries for electric vehicle - Google Patents
Power system of 2V single lead-acid power batteries for electric vehicle Download PDFInfo
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- CN102951036B CN102951036B CN2012104006436A CN201210400643A CN102951036B CN 102951036 B CN102951036 B CN 102951036B CN 2012104006436 A CN2012104006436 A CN 2012104006436A CN 201210400643 A CN201210400643 A CN 201210400643A CN 102951036 B CN102951036 B CN 102951036B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention relates to a power system of 2V single lead-acid power batteries for an electric vehicle, belonging to the technical field of electric vehicle powder. The system comprises a plurality of 2V single lead-acid batteries, a battery connecting member, a battery management system, a vehicle-mounted charger and electric vehicle power system maintenance equipment, wherein the plurality of 2V single lead-acid batteries are connected in series by using the connecting member to form a battery pack with a required voltage; each battery is respectively connected with a BMS (Battery Management System) port; the positive and negative electrodes of the vehicle-mounted charger are connected to the two ends of the battery pack in parallel; and the electric vehicle power system maintenance equipment is respectively connected with the battery pack, the vehicle-mounted charger and the BMS. By using the power system, the problems of temperature compensation and the shortened recycling servicelife of the lead-acid power batteries caused by inconsistency are effectively solved, the system is aperiodically maintained by using the electric vehicle power system maintenance equipment, thus theservice life of the batteries can be prolonged as long as possible, and the productization target required by markets is achieved.
Description
Technical field
The invention belongs to battery-driven car electrical source of power technical field, particularly electric vehicle lead-acid battery power-supply system.
Background technology
Existing electric vehicle lead-acid battery power-supply system is unified into battery pack by some joint 12V or single battery strings of 16V, and the charger that links to each other constitutes.Shown in Fig. 1 frame of broken lines.Its principle of work is: after battery pack was full of electricity through charger, by controller control drive motor, the driven by motor vehicle travelled.After battery electric quantity uses up, charge, going round and beginning again recycles again.
Single battery of above-mentioned 12V or 16V is to be composed in series by 6 or 8 2V elementary cell lattice.
2V elementary cell lattice are to be become according to the positive and negative pole plate group that capacity and discharge power needs design by several, as shown in Figure 2.The pole plate group is by positive plate 1-1, minus plate 1-2 one positive one negative alternately placement, the middle insulating glass fibre diaphragm 1-5 that uses separates, again with pole plate group's positive pole ear and positive pole ear weld together in parallel, form the anodal 1-3 of 2V elementary cell lattice, negative lug and negative lug weld together in parallel, the negative pole 1-4 of formation 2V elementary cell lattice.6 or 8 these 2V elementary cell lattice are placed in the plastic box body in a certain order, being connected in series welds again, and constitutes 12V or single battery of 16V.
The advantage of above-mentioned 12V or single battery of 16V is: single battery of 12V, 16V has formed standard size, series connection between 6 or 8 the 2V elementary cell lattice is to weld to finish in a plastic box body, without any aerial lug, if the interior welds cross section is enough big, it is almost nil to connect resistance, and whole outside batteries has only positive and negative terminals.As required, these 12V or single battery of 16V are connected again, constitute battery pack.Be convenient to install and use.Its shortcoming is that battery cycle life is short, and its reason mainly contains:
At first, the inconsistency that pole plate is made makes the battery that is assembled into 12V or 16V by 2V elementary cell lattice again, and internal diversity is very big, carries out 3 chargings on this basis, and twice discharge filled two results of putting according to three and be made into battery pack and just have inborn inconsistency.This is the unsurmountable defective that the current battery manufacturing process is brought.
Secondly, present lead-acid battery charger does not have temperature compensation function because overcharge summer, owe to fill winter, also is the reason that causes battery life short.
At this inconsistency of battery, lithium cell has increased the BMS(battery management system as the battery-driven car dynamic power system), as shown in Figure 3, this power-supply system comprises a plurality of 3.6V single lithium battery, BMS(battery management system), charger.The annexation of this system is:
Several 3.6V single lithium battery are together in series with attaching parts 34, form the battery pack of a required voltage.Draw a lead 31,32,33 respectively from the positive pole of each 3.6V single lithium battery ..., draw lead 35 from the negative pole of last 3.6V single lithium battery, as common zero line, be connected with the corresponding circuit card port of BMS respectively.Read and store the data that discharge and recharge of every joint cell.
The charger both positive and negative polarity is connected to the BMS(battery management system) and the battery pack two ends.
The principle of work of this system is: charger is when giving batteries charging, since the inconsistency of battery, the voltage rising situation difference of each single battery.For this reason, BMS is finding in this case, the battery charge bypass electronic load that the turning-on voltage rising is too fast, and the charging current of shunting on this battery raises to reduce voltage, to carrying out the necessary intervention management in the battery charging process.There are electric current, voltage monitoring circuit in BMS inside, shunt path and under-voltage cue circuit.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming that recycles the lost of life that existing lead-acid power accumulator manufacturing process defective and temperature traverse cause, a kind of electric vehicle 2V monomer lead-acid power accumulator power-supply system is proposed, used for reference the BMS technology of lithium battery motor-car dynamic power system, effectively solve the problems such as life-span and temperature compensating that recycle that shorten lead-acid power accumulator owing to inconsistency, or else regularly utilize the maintenance equipment of electric vehicle power sources system that system is carried out maintaining on this basis, extending battery life as much as possible reaches the commercialization target of market demands.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of electric vehicle 2V monomer lead-acid power accumulator power-supply system is characterized in that this system comprises: attaching parts, battery management system, onboard charger and the electric vehicle power sources system maintenance device of several 2V monomer lead-acid batteries, battery; Its annexation is: several 2V monomer lead-acid batteries are together in series with attaching parts, form the battery pack of a required voltage; Each battery is connected with the BMS port respectively; The onboard charger both positive and negative polarity is connected in parallel on the battery pack two ends; The electric vehicle power sources system maintenance device is connected with battery pack, onboard charger and BMS respectively.
Described 2V monomer lead-acid power accumulator can comprise box body, be installed in the pole plate group who is made up of positive plate, minus plate one positive one negative alternately placement in the box body, place the insulation diaphragm between each positive plate, the minus plate, the positive pole ear parallel connection of each positive plate of pole plate group is welded together to form the positive pole of 2V cell, and the negative pole that the negative lug parallel connection of each minus plate of pole plate group is welded together to form 2V monomer lead-acid power accumulator; This positive and negative pole stretches out outside the box body.
Described attaching parts can comprise many groups, and every group of attaching parts comprises two tie bolts, a connection copper bar body; Wherein connect the copper bar body and comprise that mainly arc connects copper bar, connector and is connected bent angle; Connector be have with battery electrode column in the cone that is complementary, and have the endoporus that is complementary with tie bolt; The upper end cylindrical of two connectors connects with the endoporus interference fit that is connected bent angle respectively, and two connect bent angle and are connected copper bar and are symmetrically welded.
Described attaching parts also has management board line hole and gage hatch on the curved surfaces of arc connection copper bar; Described attaching parts also comprises two seal cover caps, is used for covering respectively two bolt upper ends, realizes the sealing of attaching parts and battery electrode column.
Described attaching parts also can comprise many groups, and every group of attaching parts comprises two bolts, two nuts, two connection copper bar bodies; Wherein, two connect the copper bar body is the strip shape copper sheet, and the middle part is arc-shaped bend, and in order to alleviate hard power, its two ends have two circular holes, and the lateral aperture of the size in aperture and bolt, nut and battery electrode column is complementary.
Described electric vehicle power sources system maintenance device comprises power supply, main control unit, data communication unit, safeguards charger and guidance panel; Described power supply, data communication unit and guidance panel link to each other with main control unit respectively, and main control unit links to each other with the battery-driven car Vehicular power system with safeguarding charger respectively by the data communication unit.
Characteristics of the present invention and beneficial effect:
The present invention can become the 2V cell combo of performance perameter basically identical the battery pack of required voltage grade owing to adopt 2V monomer lead-acid power accumulator, greatly reduces the inconsistency that battery is made.
Battery attaching parts of the present invention can reduce the contact resistance that battery connects, and can effectively prevent the interface unit heating of high capacity cell when discharging and recharging, and significantly reduces battery because of the phenomenon of leakage that the pole heating causes, and reduces power consumption.
Employing has the charger of temperature compensation function, guarantees that battery pack is filled under different temperatures and does not owe to fill or overcharge.
The present invention uses the BMS technology, is implemented in monitoring in real time in the charge and discharge process, takes measures to avoid overcharging, crossing and put the situation generation that causes the damage battery of each cell.
Power-supply system maintenance equipment of the present invention can regularly detect the mode of operation of battery in the electric vehicle power sources system, charger, BMS, attaching parts; Read the BMS data, analyze data, in time provide solution; The bad service recorder of explicit user, the training user uses knowledge; Detect the battery pack population size, determine battery pack is activated parameter with maintaining measure such as devulcanization, the battery of serious backwardness is implemented combo change.
Description of drawings
Fig. 1 is existing electric vehicle power sources system schematic;
Fig. 2 is existing lead-acid power accumulator 2V elementary cell lattice scheme drawing;
Fig. 3 adds the BMS scheme drawing for existing lithium electricity battery pack;
Fig. 4 is 2V monomer power-supply system main assembly scheme drawing of the present invention;
Fig. 5 is 2V monomer lead-acid power accumulator structural representation of the present invention;
Fig. 6 is attaching parts embodiment 1 structural representation of the present invention;
Fig. 7 is the connection copper bar body structure scheme drawing of attaching parts embodiment 1 of the present invention;
Fig. 8 is attaching parts embodiment 2 structural representations of the present invention;
Fig. 9 is electric vehicle power sources system maintenance device example structure scheme drawing of the present invention;
Figure 10 is the workflow block diagram of electric vehicle power sources system maintenance device of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
A kind of electric vehicle 2V monomer lead-acid power accumulator power-supply system that the present invention proposes, as shown in Figure 4.This system comprises: several 2V monomer lead-acid batteries, the attaching parts of battery, BMS(battery management system), onboard charger and electric vehicle power sources system maintenance device; Its annexation is: several 2V monomer lead-acid batteries are together in series with attaching parts 44, form the battery pack of a required voltage.Draw a positive wire 41,42,43 from each 2V monomer lead-acid battery attaching parts management board line hole ..., draw lead 45 from the negative pole of last 2V monomer lead-acid battery, be connected with the corresponding circuit card port of BMS respectively, as common zero line.The onboard charger both positive and negative polarity is connected in parallel on the battery pack two ends, charges the battery.The electric vehicle power sources system maintenance device is connected with battery pack, onboard charger and BMS respectively.
The specific embodiment and the function of each parts of the present invention are respectively described below:
1, manufactures and designs 2V monomer lead-acid power accumulator according to capacity requirement, this battery structure as shown in Figure 5, comprise box body 5-3, be installed in the pole plate group who is formed by positive plate 5-2, minus plate 5-5 one positive one negative alternately placement in the box body, place the insulating glass fibre diaphragm 5-6 between each positive plate, the minus plate, the positive pole ear parallel connection of each positive plate of pole plate group is welded together to form the anodal 5-1 of 2V cell, and the negative pole 5-4 that the negative lug parallel connection of each minus plate of pole plate group is welded together to form 2V monomer lead-acid power accumulator.This positive and negative pole stretches out outside the plastic box body 5-3, constitutes 2V monomer lead-acid power accumulator.Its advantage is 1, improves the conformability 2 of finished product battery, is convenient to discharge and recharge measurement and manages 3, is convenient to safeguard and change, and is lowered into the use cost of Battery pack, prolongs the service life of battery.
2, attaching parts of the present invention comprises many groups, and every group of attaching parts is used for two adjacent 2V monomer lead-acid power accumulators are together in series.Many group attaching partss are about to several 2V monomer lead-acid power accumulator series connection and form a battery pack.Attaching parts example structure of the present invention comprises two kinds:
First kind of attaching parts example structure as shown in Figure 6, this attaching parts is connected with the battery electrode column 61 of two batteries, the battery electrode column that adopts this attaching parts to connect is have endoporus cylindrical, cylinder upper end endoporus is round taper hole, the bottom is the cylindrical hole that has negative thread, and the round taper hole lower end is communicated with the cylindrical hole upper end; This attaching parts comprises two tie bolts 62, a connection copper bar body 64; Wherein connect the structure of copper bar body 64 as shown in Figure 7, comprise that mainly arc connects copper bar 71, connector 72 and is connected bent angle 73; Connector 72 for have with battery electrode column in the cone that is complementary, and have the endoporus that is complementary with tie bolt; The upper end cylindrical of two connectors connects with the endoporus interference fit that is connected bent angle 73 respectively, and two connect bent angle 73 and are connected copper bar 71 and are symmetrically welded.Each connector lower end is inserted in battery electrode column 61 holes, and two tie bolts 63 are the internal screw-thread screw in hole with the hole, bottom of battery post by connector 72 respectively, and soon two batteries couple together.
Attaching parts also can have two through holes on the curved surfaces of arc connection copper bar 71, as management board line hole 74 and gage hatch 75.The management board line can be welded in management board line hole, and gage hatch can be monitored charging and discharging currents and voltage at any time.
Present embodiment also can comprise two seal cover caps 63, is used for covering in the bolt upper end, realizes the sealing of attaching parts and battery electrode column.
When this attaching parts connected two batteries, the connector that will connect in the copper bar body with tie bolt contacted with battery electrode column mesopore inner conical surface, and controlling dimension and tolerance clearance can guarantee that the contact surface area meets the requirement of intensity of current.Bolt and pole compress the back that is screwed together and seal with seal cover cap.Two connectors that connect copper bar body two ends with is connected bent angle, connects copper bar and link to each other, namely finish the serial or parallel connection connection of two batteries.
Connector contacts with the pole inner conical surface in the present embodiment.Along with constantly tightening of tie bolt, connector is more and more better with contacting of battery electrode column.
Second kind of attaching parts example structure as shown in Figure 8, this attaching parts is connected with the battery electrode column 82 of two batteries 81, the battery electrode column that adopts this attaching parts structure to connect is naked to be gone out part and is the oblong post, have in the middle of the pole one with the axial vertical lateral aperture 821 of pole; This attaching parts comprises two bolts 83, two nuts 84, two connection copper bar bodies 85; Wherein, two connect the copper bar body is the strip shape copper sheet, and the middle part is arc-shaped bend, and in order to alleviate hard power, its two ends have two circular holes, and the lateral aperture of the size in aperture and bolt, nut and battery electrode column is complementary.
During being connected of this attaching parts and battery electrode column, two copper bar bodies of this attaching parts are placed on the both sides of the battery electrode column 82 of two batteries, and the circular hole of two copper bar bodies 85 is corresponding with the lateral aperture 821 on the battery electrode column, and the bolt 83 of this attaching parts is passed, install nut 84, tighten.The both positive and negative polarity that is about to two batteries couples together, and controlling dimension and tolerance clearance guarantee that the contact surface area meets the requirement of intensity of current.And fixation, namely finish being connected in series of two batteries.
The connection copper bar body of this attaching parts contacts with the pole two sides.The copper bar body is closely contacted with pole with nut with tie bolt, along with constantly tightening of tie bolt and nut, it is more and more better with contacting of battery electrode column to connect the copper bar body.
3, be existing BMS BMS(battery management system of the present invention), its function is identical with BMS in the existing battery-driven car dynamic power system.Namely when when charging certain monomer voltage raise when very fast, the bypass electronic load of this cell is connected, a part of charging current flows away through bypass, reduces the charging current of battery, reaches to slow down the purpose that voltage raises.Namely realize charge balancing.
4, onboard charger: present embodiment employing the applicant's patent of invention (patent No.: charger ZL200910087656.0), can realize the temperature compensating charging.
5, electric vehicle power sources system maintenance device example structure comprises power supply 91, main control unit 92, data communication unit 93, safeguards charger 94 and guidance panel 95 as shown in Figure 9; Described power supply 91, data communication unit 93 and guidance panel 95 link to each other with main control unit 92 respectively, and main control unit 92 links to each other with battery-driven car Vehicular power system 96 with safeguarding charger 94 respectively by data communication unit 93.
Described power supply 91 is constant voltage power suspply, and this constant voltage power suspply adopts custom circuit, is made up of 5V, 3.3V and 1.8V three parts, is main control unit 92 power supplies.
Described main control unit 92 comprises CPU treater (adopting the LPC2119 chip) and peripheral circuit thereof, and peripheral circuit comprises reset circuit, clock circuit, 16MFLASH circuit, RS232 serial communication circuit, button and liquid crystal circuit.Peripheral circuit all adopts custom circuit, and these peripheral circuits and CPU treater are concentrated on the same printed wiring board, and the line on the printed wiring board between the prefabricated various piece is realized being electrically connected.Main control unit 92 is center processing units of whole power-source maintenance equipment, and realization reaches analysis, processing and storage to data to coupled condition judgement, charging control, output function control.
Described data communication unit 93 adopts automobile existing C AN (controller local area network) bus controller.CAN bus controller circuit adopts custom circuit, is connected with battery-driven car Vehicular power system 96 with safeguarding charger 94 by the CAN bus.Data communication unit 93 is used for and the data exchange of safeguarding charger 94 and battery-driven car Vehicular power system 96 (Vehicular power system 96 comprises on-vehicle battery and management board and vehicle-mounted charge machine).
The described charger 94 of safeguarding adopts TLDY-2012 lead-acid power accumulator intelligent charging machine, and the described charger 94 of safeguarding is connected with data communication unit 93 by the CAN bus.
Described guidance panel 95 is by button, LCDs, the intelligent sound device of routine, and the loud speaker that links to each other with the intelligent sound device is formed.The each several part of guidance panel 95 is connected with main control unit 92 respectively, realizes functions such as parameter setting, state demonstration, state report.
Power-supply system maintenance equipment of the present invention can regularly detect the mode of operation of battery in the electric vehicle power sources system, charger, BMS, attaching parts; Read the BMS data, analyze data, in time provide solution; The bad service recorder of explicit user, the training user uses knowledge; Detect the battery pack population size, determine battery pack is activated parameter with maintaining measure such as devulcanization, the battery of serious backwardness is implemented combo change.
The work journey stream of power-supply system maintenance equipment as shown in figure 10, main control unit control onboard charger charges to the battery pack of Vehicular power system, by the CAN bus communication, read batteries charging voltage, the charging current of Vehicular power system, and the calculating electric weight, according to predefined screening principle, filter out the cell of conformability difference, the lang sound of going forward side by side is reported and the read-out demonstration, the cell that is filtered out by artificial replacing.
The information of beaming back according to BMS when main control unit, judge when certain cell electric weight reduces, charging duration significantly shortens, in the time of need carrying out devulcanization and activate maintenance, voice broadcast and read-out show needs ID number of maintenance battery, prompting need be maintained accordingly to this battery, enter devulcanization, activate interface, the maintenance of being correlated with by manual operation.
When battery uses a period of time, when capacity drops to 90% left and right sides, or when being badly in need of interim electric energy supplement in the driving process, implement fast charge.When carrying out fast charge, select the fast charge menu, set charging current, enter corresponding charging procedure.
Above-mentioned flow process adopts the conventional programming technology to be compiled into control program in advance and is stored in the CPU treater of main control unit.
Working process of the present invention: onboard charger is when charging the battery, since the inconsistency of battery, the voltage rising situation difference of each single battery.BMS is finding in this case, the battery charge bypass electronic load that the turning-on voltage rising is too fast, and the charging current of shunting on this battery raises to slow down voltage, to carrying out the necessary intervention management in the battery charging process.There are electric current, voltage monitoring circuit in BMS inside, shunt path and under-voltage cue circuit and data storage circuitry.The power-supply system maintenance equipment regularly detects the mode of operation of battery in the electric vehicle power sources system, charger, BMS, attaching parts; Realize functions such as parameter setting, state demonstration, state report.The data communication unit reads BMS data, analysis, processing by CAN and BMS and onboard charger communication, in time provides solution; The bad service recorder of explicit user; Detect the battery pack population size, determine battery pack is activated parameter with maintaining measure such as devulcanization, the battery of serious backwardness is implemented combo change.
The present invention reaches effective prolongation battery performance and the purpose in service life by the collaborative work of above each parts.
Claims (5)
1. an electric vehicle 2V monomer lead-acid power accumulator power-supply system is characterized in that this system comprises: attaching parts, battery management system, onboard charger and the electric vehicle power sources system maintenance device of several 2V monomer lead-acid batteries, battery; Its annexation is: several 2V monomer lead-acid batteries are together in series with attaching parts, form the battery pack of a required voltage; Each battery is connected with the battery management system port respectively; The onboard charger both positive and negative polarity is connected in parallel on the battery pack two ends; The electric vehicle power sources system maintenance device is connected with battery pack, onboard charger and BMS respectively; Described attaching parts comprises many groups, and every group of attaching parts comprises two tie bolts, a connection copper bar body; Wherein connect the copper bar body and comprise that mainly arc connects copper bar, connector and is connected bent angle; Connector be have with battery electrode column in the cone that is complementary, and have the endoporus that is complementary with tie bolt; The upper end cylindrical of two connectors connects with the endoporus interference fit that is connected bent angle respectively, two connect bent angle symmetrically with is connected copper bar and welds.
2. system according to claim 1, it is characterized in that, described 2V monomer lead-acid power accumulator comprises box body, is installed in the pole plate group who is made up of positive plate, minus plate one positive one negative alternately placement in the box body, place the insulation diaphragm between each positive plate, the minus plate, the positive pole ear parallel connection of each positive plate of pole plate group is welded together to form the positive pole of 2V cell, and the negative pole that the negative lug parallel connection of each minus plate of pole plate group is welded together to form 2V monomer lead-acid power accumulator; This positive and negative pole stretches out outside the box body.
3. system according to claim 1 is characterized in that, described attaching parts connects at arc on the curved surfaces of copper bar and also has management board line hole and gage hatch; Described attaching parts also comprises two seal cover caps, is used for covering respectively two bolt upper ends, realizes the sealing of attaching parts and battery electrode column.
4. system according to claim 1 is characterized in that, described attaching parts comprises many groups, and every group of attaching parts comprises that two bolts, two nuts, two connect the copper bar bodies; Wherein, two connect the copper bar body is the strip shape copper sheet, and the middle part is arc-shaped bend, and in order to relieve stresses, its two ends have two circular holes, and the lateral aperture of the size in aperture and bolt, nut and battery electrode column is complementary.
5. system according to claim 1 is characterized in that described electric vehicle power sources system maintenance device comprises power supply, main control unit, data communication unit, safeguards charger and guidance panel; Described power supply, data communication unit and guidance panel link to each other with main control unit respectively, and main control unit links to each other with the battery-driven car Vehicular power system with safeguarding charger respectively by the data communication unit.
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| CN2012104006436A CN102951036B (en) | 2012-10-19 | 2012-10-19 | Power system of 2V single lead-acid power batteries for electric vehicle |
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| CN2012104006436A CN102951036B (en) | 2012-10-19 | 2012-10-19 | Power system of 2V single lead-acid power batteries for electric vehicle |
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| CN103165849A (en) * | 2013-03-07 | 2013-06-19 | 上海电气钠硫储能技术有限公司 | Connection structure of monomer sodium-sulfur cell in sodium-sulfur cell module and method |
| CN103312003A (en) * | 2013-06-27 | 2013-09-18 | 鄂尔多斯市紫荆创新研究院 | Intelligent balancing management system for batteries |
| CN106816656B (en) * | 2017-02-28 | 2023-11-21 | 柳州紫荆循环能源科技有限公司 | Management and maintenance system for lead-acid storage battery |
| CN111934036A (en) * | 2020-07-13 | 2020-11-13 | 超威电源集团有限公司 | Matching method of lead-acid storage battery |
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| US20120169117A1 (en) * | 2011-01-04 | 2012-07-05 | Jong-Doo Park | Battery system and electric vehicle including the same |
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| US6501249B1 (en) * | 1999-10-13 | 2002-12-31 | Xicor, Inc. | Battery management system |
| CN201392870Y (en) * | 2009-04-08 | 2010-01-27 | 浙江绿源电动车有限公司 | Novel lead-acid storage battery of electric vehicle |
| US20110037318A1 (en) * | 2009-08-06 | 2011-02-17 | Chih-Peng Chang | Integrated battery device |
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Application publication date: 20130306 Assignee: Liuzhou Bauhinia Technology Transfer Center Co. Ltd. Assignor: Ordos City of Chinese Redbud Innovation Institute Contract record no.: 2017450000007 Denomination of invention: Power system of 2V single lead-acid power batteries for electric vehicle Granted publication date: 20130918 License type: Common License Record date: 20170522 |