CN109004295A - Battery pack management control system and battery pack system for electric vehicle - Google Patents

Battery pack management control system and battery pack system for electric vehicle Download PDF

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Publication number
CN109004295A
CN109004295A CN201810832381.8A CN201810832381A CN109004295A CN 109004295 A CN109004295 A CN 109004295A CN 201810832381 A CN201810832381 A CN 201810832381A CN 109004295 A CN109004295 A CN 109004295A
Authority
CN
China
Prior art keywords
battery pack
battery
control system
management control
switching device
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
CN201810832381.8A
Other languages
Chinese (zh)
Inventor
邓江南
陈锦华
戴湘军
向姜华
雷博涵
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.)
Wuhan Li Wei Amperex Technology Ltd
Original Assignee
Wuhan Li Wei Amperex Technology 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 Wuhan Li Wei Amperex Technology Ltd filed Critical Wuhan Li Wei Amperex Technology Ltd
Priority to CN201810832381.8A priority Critical patent/CN109004295A/en
Publication of CN109004295A publication Critical patent/CN109004295A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/488Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The present invention discloses a kind of battery pack management control system and battery pack system for electric vehicle, and wherein battery pack management control system includes battery controller and multiple battery pack administrative units parallel with one another;The battery pack administrative unit includes battery pack and switching device, and the battery pack is connect with the switching device, and the switching device is connect with the battery controller.It is parallel with one another between multiple battery pack administrative units, each battery pack administrative unit includes battery pack and switching device, and switching device is uniformly controlled by battery controller, when a certain battery pack breaks down, battery controller outputs level signals cut off corresponding fail battery packet to switching device;When needing a certain battery pack charge and discharge, it can also be controlled and be carried out by battery controller, improve the performance of battery pack management control system.

Description

Battery pack management control system and battery pack system for electric vehicle
Technical field
The present invention relates to battery technology field, in particular to a kind of battery pack management control system and electricity for electric vehicle Pond packet system.
Background technique
Electric vehicle is needed the battery pack system of higher electricity, is carried out using multiple batteries to obtain higher course continuation mileage In parallel, series connection or mixed connection mode are electrically connected to realize, obtain relatively high energy.
Existing high energy battery packet generally comprises following two, the first is by carrying out in parallel, series connection between battery modules Or mixed connection mode is made into;It is made by carrying out in parallel, series connection or mixed connection mode between multiple battery pack systems for second, That is battery pack composite system.
But the prior art has the following disadvantages: that multiple battery packs are needed to supplement energy together or are used together, if Use process, some battery pack failure, entire battery pack composite system are not all available.
Summary of the invention
The main object of the present invention is to provide a kind of battery pack management control system, when some battery pack breaks down When, the use of entire battery pack management control system is not influenced.
To achieve the above object, battery pack management proposed by the present invention control system include battery controller and it is multiple mutually simultaneously The battery pack administrative unit of connection;The battery pack administrative unit includes battery pack and switching device, and the battery pack is opened with described Device connection is closed, the switching device is connect with the battery controller.
Preferably, the battery pack management control system further includes the first conductor adapting piece and the second conductor adapting piece, institute The anode for stating battery pack is connect with first conductor adapting piece, the first end of the cathode of the battery pack and the switching device Connection, the second end of the switching device connect with second conductor adapting piece, the controlled end of the switching device with it is described Battery controller connection.
Preferably, the battery pack includes multiple concatenated battery modules, and the battery modules include multiple series, parallel Or the battery core of mixed connection.
Preferably, the switching device includes relay, and the relay first end is connect with the cathode of the battery pack, The relay second end is connect with second conductor adapting piece, and the controlled end of the relay and the battery controller connect It connects.
Preferably, the battery pack management control system further includes monitoring host computer, the monitoring host computer and the battery control Device connection processed.
Preferably, the battery pack management control system further includes status indicator lamp, the status indicator lamp and the prison Control device connection.
To achieve the above object, the present invention also proposes a kind of battery pack system for electric vehicle, described for electric vehicle Battery pack system include battery pack management control system as described above.Battery pack management control system include battery controller and Multiple battery pack administrative units parallel with one another;The battery pack administrative unit includes battery pack and switching device, the battery Packet is connect with the switching device, and the switching device is connect with the battery controller.
Technical solution of the present invention is formd by using battery controller and multiple battery pack administrative units parallel with one another A kind of battery pack management control system.Parallel with one another between multiple battery pack administrative units, each battery pack administrative unit includes Battery pack and switching device, switching device are uniformly controlled by battery controller, when a certain battery pack breaks down, battery control Device outputs level signals cut off corresponding fail battery packet to switching device;It, can also when needing a certain battery pack charge and discharge It is controlled and is carried out by battery controller, improve the performance of battery pack management control system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the functional block diagram of one embodiment of battery pack management control system of the present invention;
Fig. 2 is the structural schematic diagram of one embodiment of battery pack management control system of the present invention.
Drawing reference numeral explanation:
Label Title Label Title
100 Battery controller 500 Monitoring device
200 Battery pack administrative unit 210 Switching device
300 First conductor adapting piece 220 Battery core
400 Second conductor adapting piece 230 Battery modules
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result, Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs It is conflicting or when cannot achieve should people think that the combination of this technical solution is not present, also not the present invention claims protection Within the scope of.
The present invention proposes a kind of battery pack management control system.
Referring to Fig.1, in embodiments of the present invention, battery pack management control system includes battery controller 100 and multiple phases Mutually battery pack administrative unit 200 in parallel;The battery pack administrative unit 200 includes battery pack (not indicating) and switching device 210, the battery pack is connect with the switching device 210, and the switching device 210 is connect with the battery controller 100.
It include multiple battery pack administrative units 200 in battery pack management control system, battery pack administrative unit 200 includes There are anode and cathode, the anode of all battery pack administrative units 200 is connected with each other, the cathode of all battery pack administrative units 200 It is connected with each other.
Switching device 210 is used to control the charge and discharge per battery pack administrative unit 200 all the way, or in the event of a failure will The road battery pack administrative unit 200 cutting.Switching device 210 can be realized using relay.In one embodiment, relay One end is connect with the cathode of the battery pack, and the relay second end is connect with second conductor adapting piece, the relay The controlled end of device is connect with the battery controller 100.
In the present embodiment, battery controller 100 uses battery management unit, i.e. BMU (battery management Unit, battery management unit).
Technical solution of the present invention by using battery controller 100 and multiple battery pack administrative units 200 parallel with one another, Form a kind of battery pack management control system.It is parallel with one another between multiple battery pack administrative units 200, each battery pack management Unit 200 includes battery pack and switching device 210, and switching device 210 is uniformly controlled by battery controller 100, when a certain battery When packet breaks down, 100 outputs level signals of battery controller to switching device 210 cut off corresponding fail battery packet;When When needing a certain battery pack charge and discharge, it can also be controlled and be carried out by battery controller 100, improve battery pack management control system Performance.
Further, the battery pack management control system further includes the first conductor adapting piece 300 and the connection of the second conductor The anode of part 400, the battery pack is connect with first conductor adapting piece 300, the cathode of the battery pack and the switch The first end of device 210 connects, and the second end of the switching device 210 is connect with second conductor adapting piece 400, described to open The controlled end for closing device 210 is connect with the battery controller 100.
It is understood that the first conductor adapting piece 300 and the second conductor adapting piece 400 are used for external power load It is attached.In the present embodiment, the first conductor adapting piece 300 and the second conductor adapting piece 400 are using the metal material for being easy to conduction Material.
Further, the battery pack includes multiple concatenated battery modules 230, and the battery modules 230 include multiple Series, parallel or the battery core of mixed connection 220.Wherein, mixed connection refers to that series connection is combined with parallel connection.In the present embodiment, each battery mould Group 230 include three battery cores 220 parallel with one another, battery core 220 anode connect with sheet metal, the cathode of battery core 220 with Sheet metal connection.
Further, the battery pack management control system further includes monitoring host computer 500, the monitoring host computer 500 and institute State the connection of battery controller 100.
Monitoring host computer 500 and the battery controller 100 communicate to connect, and monitoring host computer 500 is read from battery controller 100 Take the working condition and electricity of current each battery modules 230 and each battery pack administrative unit 200.Monitoring host computer 500 is equipped with Display screen on a display screen shows these parameters.Convenient for users to knowing correlation circumstance.
Further, the battery pack management control system further includes status indicator lamp, the status indicator lamp with it is described Monitoring device connection.It is worth noting that the status indicator lamp plays alarm function, for breaking down in battery modules 230 When, timing issues the user with warning message.Further, it is also possible to audible alarm unit, such as buzzer, carry out alternative state instruction Lamp.Under normal circumstances, status indicator lamp issues green light, when battery modules 230 break down, issues feux rouges.
Referring to Fig. 2, to sum up, this battery pack management control system can realize following effect:
(1) multiple battery packs may be implemented single spur track and separately supplement energy, i.e. separately charging, e.g., need to first via branch It charges on road, it is only necessary to which BMU issues instructions to K1, K2, K3, and closing relay K1 disconnects relay K2, K3.
(2) multiple battery packs may be implemented single spur track and be used separately, i.e. separately electric discharge, e.g., need to first via branch into Row electric discharge, it is only necessary to which BMU issues instructions to K1, K2, K3, and closing relay K1 disconnects relay K2, K3.
(3) multiple battery packs may be implemented to supplement energy together, i.e., charges together, it is only necessary to BMU issue instructions to K1, K2, K3, closing relay K1, K2, K3.
(4) multiple battery packs may be implemented to be used together, i.e., discharges together, it is only necessary to and BMU issues instructions to K1, K2, K3, Closing relay K1, K2, K3.
(5) when multiple battery packs may be implemented to supplement energy/use together, i.e., together charge/discharge when, if some Battery pack failure can control the on/off of relay by BMU, to realize being switched in or out for the branch, entire electricity Pond packet composite system still can be used only total energy and temporarily reduce, and course continuation mileage is shorter, such as find first via branch There is exception, charge or discharge cannot be continued, it is only necessary to which BMU issues instructions to K1, disconnects relay K1.
The present invention also proposes a kind of battery pack system for electric vehicle, which includes upper Battery pack management control system is stated, the specific structure of the battery pack management control system is referring to above-described embodiment, since this is electronic Automobile uses whole technical solutions of above-mentioned all embodiments, therefore at least the technical solution with above-described embodiment is brought All beneficial effects, this is no longer going to repeat them.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in scope of patent protection of the invention.

Claims (7)

1. a kind of battery pack management control system, which is characterized in that battery pack management control system include battery controller and Multiple battery pack administrative units parallel with one another;The battery pack administrative unit includes battery pack and switching device, the battery Packet is connect with the switching device, and the switching device is connect with the battery controller.
2. battery pack management control system as described in claim 1, which is characterized in that the battery pack management control system is also Including the first conductor adapting piece and the second conductor adapting piece, the anode of the battery pack is connect with first conductor adapting piece, The cathode of the battery pack is connect with the first end of the switching device, the second end of the switching device and second conductor Connector connection, the controlled end of the switching device are connect with the battery controller.
3. battery pack management control system as claimed in claim 2, which is characterized in that the battery pack includes multiple concatenated Battery modules, the battery modules include it is multiple be serially connected, battery core in parallel or mixed connection.
4. battery pack management control system as claimed in claim 2, which is characterized in that the switching device includes relay, The relay first end is connect with the cathode of the battery pack, and the relay second end and second conductor adapting piece connect It connects, the controlled end of the relay is connect with the battery controller.
5. battery pack management control system as claimed in claim 2, which is characterized in that the battery pack management control system is also Including monitoring host computer, the monitoring host computer is connect with the battery controller.
6. the battery pack management control system as described in claim 2-5, which is characterized in that battery pack management control system System further includes status indicator lamp, and the status indicator lamp is connect with the monitoring device.
7. a kind of battery pack system for electric vehicle, which is characterized in that the battery pack system for electric vehicle includes such as Battery pack management control system described in any one of claim 1-6.
CN201810832381.8A 2018-07-24 2018-07-24 Battery pack management control system and battery pack system for electric vehicle Pending CN109004295A (en)

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CN201810832381.8A CN109004295A (en) 2018-07-24 2018-07-24 Battery pack management control system and battery pack system for electric vehicle

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Application Number Priority Date Filing Date Title
CN201810832381.8A CN109004295A (en) 2018-07-24 2018-07-24 Battery pack management control system and battery pack system for electric vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114655079A (en) * 2022-04-29 2022-06-24 重庆长安新能源汽车科技有限公司 System for delaying thermal runaway spread of battery pack, control method and automobile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623762A (en) * 2011-01-31 2012-08-01 Sb锂摩托有限公司 Battery pack
CN203103992U (en) * 2012-12-04 2013-07-31 江苏交科能源科技发展有限公司 Battery module management and control system
CN203611777U (en) * 2013-12-02 2014-05-28 北汽福田汽车股份有限公司 Battery system disconnection control device of electric vehicle and electric vehicle provided with same
CN107554323A (en) * 2017-07-27 2018-01-09 东软集团股份有限公司 The control system and electric automobile of a kind of power battery pack
CN107599859A (en) * 2017-09-01 2018-01-19 苏州达思灵新能源科技有限公司 Electric power system, control method and the electric automobile of electric automobile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623762A (en) * 2011-01-31 2012-08-01 Sb锂摩托有限公司 Battery pack
CN203103992U (en) * 2012-12-04 2013-07-31 江苏交科能源科技发展有限公司 Battery module management and control system
CN203611777U (en) * 2013-12-02 2014-05-28 北汽福田汽车股份有限公司 Battery system disconnection control device of electric vehicle and electric vehicle provided with same
CN107554323A (en) * 2017-07-27 2018-01-09 东软集团股份有限公司 The control system and electric automobile of a kind of power battery pack
CN107599859A (en) * 2017-09-01 2018-01-19 苏州达思灵新能源科技有限公司 Electric power system, control method and the electric automobile of electric automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114655079A (en) * 2022-04-29 2022-06-24 重庆长安新能源汽车科技有限公司 System for delaying thermal runaway spread of battery pack, control method and automobile

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Application publication date: 20181214