CN102064357A - Electric vehicle power battery - Google Patents

Electric vehicle power battery Download PDF

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Publication number
CN102064357A
CN102064357A CN2010106005369A CN201010600536A CN102064357A CN 102064357 A CN102064357 A CN 102064357A CN 2010106005369 A CN2010106005369 A CN 2010106005369A CN 201010600536 A CN201010600536 A CN 201010600536A CN 102064357 A CN102064357 A CN 102064357A
Authority
CN
China
Prior art keywords
battery
electric automobile
battery pack
management system
automobile power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010106005369A
Other languages
Chinese (zh)
Inventor
孙江明
徐志刚
王刚
王燕兵
张铭
赵铁鹏
谢世荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhongke Shenjiang Electric Vehicle Co Ltd
Original Assignee
Shanghai Zhongke Shenjiang Electric Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Zhongke Shenjiang Electric Vehicle Co Ltd filed Critical Shanghai Zhongke Shenjiang Electric Vehicle Co Ltd
Priority to CN2010106005369A priority Critical patent/CN102064357A/en
Publication of CN102064357A publication Critical patent/CN102064357A/en
Pending legal-status Critical Current

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention relates to an electric vehicle power battery, comprising a box body, a battery pack and a battery management system, wherein the battery pack is arranged in the box body and connected to a power supply bus of an electric vehicle; the battery management system is arranged at the side face of the box body; and the battery management system is connected with the battery pack respectively through a voltage acquisition wire and a temperature acquisition wire. According to the electric vehicle power battery of the invention, the battery pack is arranged in the box body; the battery management system is arranged at the side face of the box body; thus, the battery pack and the battery management system are integrated more compactly in the electric vehicle power battery to guarantee the data acquisition precision of the battery management system and benefit the management and the maintenance of the battery. The electric vehicle power battery of the invention has the advantages of simple structure, low cost and wider application range.

Description

Electric automobile power battery
Technical field
The present invention relates to automobile manufacturing field, particularly electric automobile is made the field, specifically is meant a kind of electric automobile power battery.
Background technology
Hybrid power and pure electric automobile have better effects of energy conservation and environmental protection because of it compared to the traditional power automobile, therefore more and more are subjected to the favor in market.
Along with the extensive use of large-sized power battery, the connected mode of the battery pack of electric automobile becomes research emphasis gradually.Need the energy of battery pack very big as large-sized battery pack such as electric weight energy-storage system, electric automobiles, so battery pack have only by many cells and carry out the demand that energy is satisfied in connection in series-parallel.Which kind of connected mode the most effectively becomes the difficult problem in present this field actually.The group technology of battery pack mainly needs to consider reliability, durability and the installation flexibility of battery pack.It all is to adopt into Battery pack and acquisition system separated structures that existing pure electric automobile reaches the battery management technology in groups with hybrid power automobile battery.Become the connected mode of Battery pack then to adopt the mixing burst mode of connecting after the first parallel connection.And can there be following problem in such one-tenth Battery pack:
1, the connected mode degree of coupling of battery pack is low, puts or the supersaturation of charging in case certain joint cell exists, and will have influence on the performance of whole Battery pack;
2, battery pack is short useful life, and heat dispersion is poor, and fail safe is lower;
3, the battery cross-over connection will bring the monomer battery voltage Acquisition Error to increase;
4, maintainability is poor, and battery if there is certain batteries performance poor excessively, needs to change in long-term use, then very inconvenience of dismounting.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, a kind of connected mode degree of coupling height is provided, single battery is less to the influence of whole Battery pack, be convenient to battery management and maintenance, and simple in structure, with low cost, range of application is electric automobile power battery comparatively widely.
In order to realize above-mentioned purpose, electric automobile power battery of the present invention has following formation:
This electric automobile power battery comprises casing, battery pack and battery management system, described battery pack is arranged in the described casing and is connected in the power source bus of electric automobile, described battery management system is arranged at the side of described casing, and described battery management system is connected described battery pack by the voltage acquisition line with the temperature acquisition line respectively.
In this electric automobile power battery, the connecting interface of the connecting interface of described battery pack and described voltage acquisition line and battery pack and temperature acquisition line is the full contact interface of card slot type.Described voltage acquisition line and temperature acquisition line are arranged in the described casing.
In this electric automobile power battery, described battery pack comprises mutual series connected battery body more than two, and described each cell body all is fixedly set in the described casing by push/pull slot.
In this electric automobile power battery, described cell body comprises the cell of connecting mutually more than two, is preferably 8~12.
In this electric automobile power battery, described casing is provided with cooling device.
In this electric automobile power battery, described electrokinetic cell also comprises bus port and supply power voltage port, described bus port and supply power voltage port all are connected in described battery management system, and described each cell body is connected in described bus port and supply power voltage port respectively.
Adopted the electric automobile power battery of this invention, it comprises casing, battery pack and battery management system, described battery pack is arranged in the described casing and is connected in the power source bus of electric automobile, described battery management system is arranged at the side of described casing, described battery management system is connected described battery pack by the voltage acquisition line with the temperature acquisition line respectively, thereby make in this electric automobile power battery, it is more tight that battery pack and battery management system are integrated ground, guaranteed the data acquisition precision of battery management system, help the management and the maintenance of battery, and electric automobile power battery of the present invention is simple in structure, with low cost, range of application is comparatively extensive.
Description of drawings
Fig. 1 is the structural representation of electric automobile power battery of the present invention.
Fig. 2 is the circuit connection diagram of the battery pack of electric automobile power battery of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also shown in Figure 1ly, be the structural representation of electric automobile power battery of the present invention.
In one embodiment of the invention, this electric automobile power battery comprises casing 1, battery pack 2 and battery management system 3, described battery pack 2 is arranged in the described casing 1 and is connected in the power source bus of electric automobile, described battery management system 3 is arranged at the side of described casing 1, and described battery management system 3 is connected described battery pack 2 by the voltage acquisition line respectively with the temperature acquisition line.Wherein, described battery pack 2 comprises mutual series connected battery body more than two, and each cell body all is fixedly set in the described casing 1 by push/pull slot.Each cell body includes the cell of connecting mutually more than two.As shown in Figure 2, in this embodiment, described electrokinetic cell also comprises the external-connected port 4 that is arranged on the casing 1, and described external-connected port 4 comprises bus port and supply power voltage port.Described bus port and supply power voltage port all are connected in described battery management system 3.And described each cell body is connected in described bus port and supply power voltage port respectively.
Of the present invention a kind of preferred embodiment in, described voltage acquisition line and temperature acquisition line are arranged at (not shown) in the described casing 1.The connecting interface of the connecting interface of described battery pack and described voltage acquisition line and battery pack and temperature acquisition line is the full contact interface of card slot type.
In another preferred embodiment of the present invention, comprise 8~12 cells of mutual series connection in the described single battery body.
Of the present invention another preferred embodiment in, described casing is provided with the cooling device (not shown), described cooling device is an air cooling equipment.
In an application of the invention, electric automobile power battery of the present invention comprises battery pack, three parts of the data acquisition unit of battery management system and interface module.
Wherein, battery pack comprises a plurality of cell bodies, and each cell body includes the cell of a plurality of series connection, and each cell body is connected the data acquisition unit of battery management system with the temperature acquisition line by the voltage acquisition line.
The data acquisition unit of battery management system is fixed on the sidepiece of Battery case, connects voltage acquisition line and temperature acquisition line, and the communication interface of harvester and electric power connection line extend to the external interface of casing respectively.
Electric automobile car body inside is the supply power voltage that all cell bodies are distributed bus network and 12V unitedly, and each cell body also has two bus tie points.In casing is pushed into vehicle body, the bus incoming end of each cell body, power positive cathode, the cell body supply power voltage always just and total negative terminal, all will contact fully with power-supply system and bus interface, so the bus network of car load and power voltage supply system will be communicated with electrokinetic cell with the bus network in the vehicle body.
Be damaged if battery has individually in long-term use, this cell can be extracted out from the casing of correspondence, can easily change the battery of damage.
Adopted the electric automobile power battery of this invention, it comprises casing, battery pack and battery management system, described battery pack is arranged in the described casing and is connected in the power source bus of electric automobile, described battery management system is arranged at the side of described casing, described battery management system is connected described battery pack by the voltage acquisition line with the temperature acquisition line respectively, thereby make in this electric automobile power battery, it is more tight that battery pack and battery management system are integrated ground, guaranteed the data acquisition precision of battery management system, help the management and the maintenance of battery, and electric automobile power battery of the present invention is simple in structure, with low cost, range of application is comparatively extensive.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.

Claims (9)

1. electric automobile power battery, it is characterized in that, described electrokinetic cell comprises casing, battery pack and battery management system, described battery pack is arranged in the described casing and is connected in the power source bus of electric automobile, described battery management system is arranged at the side of described casing, and described battery management system is connected described battery pack by the voltage acquisition line with the temperature acquisition line respectively.
2. electric automobile power battery according to claim 1 is characterized in that, the connecting interface of the connecting interface of described battery pack and described voltage acquisition line and battery pack and temperature acquisition line is the full contact interface of card slot type.
3. electric automobile power battery according to claim 2 is characterized in that, described voltage acquisition line and temperature acquisition line are arranged in the described casing.
4. electric automobile power battery according to claim 1 is characterized in that, described battery pack comprises mutual series connected battery body more than two, and described each cell body all is fixedly set in the described casing by push/pull slot.
5. electric automobile power battery according to claim 1 is characterized in that, described cell body comprises the cell of connecting mutually more than two.
6. electric automobile power battery according to claim 6 is characterized in that, described cell is 8~12.
7. electric automobile power battery according to claim 1 is characterized in that described casing is provided with cooling device.
8. according to each described electric automobile power battery in the claim 1 to 7, it is characterized in that described electrokinetic cell also comprises bus port and supply power voltage port, described bus port and supply power voltage port all are connected in described battery management system.
9. electric automobile power battery according to claim 8 is characterized in that, described each cell body is connected in described bus port and supply power voltage port respectively.
CN2010106005369A 2010-12-21 2010-12-21 Electric vehicle power battery Pending CN102064357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010106005369A CN102064357A (en) 2010-12-21 2010-12-21 Electric vehicle power battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010106005369A CN102064357A (en) 2010-12-21 2010-12-21 Electric vehicle power battery

Publications (1)

Publication Number Publication Date
CN102064357A true CN102064357A (en) 2011-05-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306714A (en) * 2011-09-06 2012-01-04 力帆实业(集团)股份有限公司 Range-extended battery pack of pure electromobile
CN102637913A (en) * 2012-05-03 2012-08-15 上海中科力帆电动汽车有限公司 On-vehicle energy storage device of electromobile
CN105742554A (en) * 2016-04-18 2016-07-06 重庆无线绿洲通信技术有限公司 Modular quick-replacement power battery unit of electromobile

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201233924Y (en) * 2008-03-12 2009-05-06 中信国安盟固利新能源科技有限公司 Power lithium ionic cell module
CN101622735A (en) * 2007-01-05 2010-01-06 江森自控帅福得先进能源动力系统有限责任公司 Battery module

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101622735A (en) * 2007-01-05 2010-01-06 江森自控帅福得先进能源动力系统有限责任公司 Battery module
CN201233924Y (en) * 2008-03-12 2009-05-06 中信国安盟固利新能源科技有限公司 Power lithium ionic cell module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306714A (en) * 2011-09-06 2012-01-04 力帆实业(集团)股份有限公司 Range-extended battery pack of pure electromobile
CN102637913A (en) * 2012-05-03 2012-08-15 上海中科力帆电动汽车有限公司 On-vehicle energy storage device of electromobile
CN105742554A (en) * 2016-04-18 2016-07-06 重庆无线绿洲通信技术有限公司 Modular quick-replacement power battery unit of electromobile
CN105742554B (en) * 2016-04-18 2019-06-07 重庆无线绿洲通信技术有限公司 Electromobile modularization quick-change power battery unit

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Application publication date: 20110518