CN103840224B - For the expandable type lithium battery management system of electric automobile - Google Patents
For the expandable type lithium battery management system of electric automobile Download PDFInfo
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- CN103840224B CN103840224B CN201410114848.7A CN201410114848A CN103840224B CN 103840224 B CN103840224 B CN 103840224B CN 201410114848 A CN201410114848 A CN 201410114848A CN 103840224 B CN103840224 B CN 103840224B
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 94
- 230000001012 protector Effects 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
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)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a kind of expandable type lithium battery management system for electric automobile, comprise battery detecting module, be connected with one group of lithium battery group, for detecting the voltage of each battery in described lithium battery group, electric current and temperature, generate and detect data, and will data and the overvoltage be built in described battery detecting module be detected, under-voltage, the secure threshold of overcurrent and excess temperature contrasts, this expandable type lithium battery management system for electric automobile is for the varying number often organized in lithium battery group, each single battery of different materials detects, protection and control, independently can detect the voltage of each single battery, electric current and temperature, there is provided overvoltage, under-voltage, the general protection of overcurrent and excess temperature situation, and it is right the Monitoring Data of each single battery and secure threshold to be carried out, export fault message, there is higher flexibility and reliability, and there is extending space, the electric-control system of the convenient electric automobile for there is many group lithium battery groups detects and protection.
Description
Technical field
The present invention relates to electric automobile manufacturing technology field, particularly relate to a kind of expandable type lithium battery management system for electric automobile.
Background technology
The energy source of a lot of miniature electric automobile is the lithium battery group of one group of series connection now, in the lithium battery group of series connection, no matter be charging or electric discharge, the operating current of battery unit is all identical, but due to bulk properties difference, working temperature between individual cells and the difference recycling number of times, the change of lithium battery interior impedance and the minimizing of capacity can be caused.Capacity reduces or internal driving becomes large lithium battery when discharging, and its voltage drop is the fastest, and when charging, voltage rise is the fastest.
In current electric automobile, lithium battery number in the lithium battery group used is different, the cell voltage of the lithium battery single-unit of different materials is also different, if lack the information such as voltage, electric current, temperature that lithium battery management system just cannot monitor each single battery of lithium battery group, judge that whether battery operation is normal, and the transformation controlled between various state, can not process to the abnormality of battery simultaneously.There is no the monitoring of lithium battery management system, protection and controlling functions; the capacity of battery is made to can not get sufficient utilization; the useful life of lithium battery can be reduced to a certain extent; keep away the physical property injury that the unavoidable state such as overvoltage, overcurrent, excess temperature occurred causes battery, thus the safe operation of lithium battery cannot be ensured.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve in electric automobile, existing lithium battery management system cannot detect the information such as voltage, electric current, temperature of each single battery accurately and effectively, lack the accurate judgement to lithium battery group running status, the problem of the safe operation that lithium battery is rented cannot be ensured, the invention provides a kind of expandable type lithium battery management system for electric automobile and solve the problems referred to above.
The technical solution adopted for the present invention to solve the technical problems is: a kind of expandable type lithium battery management system for electric automobile, comprises
Battery detecting module, be connected with one group of lithium battery group, for detecting the voltage of each battery in described lithium battery group, electric current and temperature, generating and detecting data, and will the safety of data and the overvoltage be built in described battery detecting module, under-voltage, overcurrent and excess temperature be detected
threshold valuecontrast, generate fault message;
Strong and weak electricity isolation module, is connected by spi bus with between described battery detecting module;
Control module, is connected with described strong and weak electricity isolation module, obtains the detection data of described voltage, electric current and temperature, and by the safety of overvoltage, under-voltage, overcurrent and excess temperature
threshold valuebe input in described battery detecting module by described strong and weak electricity isolation module, described control module and battery detecting module use SPI communication modes to communicate, to protect the control module of low-voltage;
Data transmit-receive module, is connected with host computer, computer and control module respectively, and the detection data of voltage, electric current and temperature are transferred to host computer, and the overvoltage that user is arranged by computer, under-voltage, overcurrent and excess temperature safety
threshold valuebe transferred to described control module.
It is BQ76PL536 lithium battery group protector U200 that described battery detecting module comprises model, sampling resistor R240 resistance R208 and resistance R230, lithium battery group protector U200 can storehouse 3 ~ 6 batteries series connection lithium battery group, here for the lithium battery group of 6 batteries series connection, pin VC0 ~ the VC6 of described lithium battery group protector U200 is connected with each single battery of lithium battery group with CB1 ~ CB6, described pin VC0 ~ VC6 is for measuring the voltage of each single battery, described pin CB1 ~ CB6 is connected with power tube Q200 ~ Q205 respectively and between each single battery, described lithium battery group protector U200 is by exporting to power tube Q200 ~ Q205 the balance that square-wave signal controls each single battery, described sampling resistor R240 is connected in described lithium battery group, pin GPAI+ and GPAI-of described lithium battery group protector U200 is connected on the two ends of described sampling resistor R240 respectively, for gathering the electric current in lithium battery group, thus overcurrent protection is carried out to lithium battery group, described resistance R208 is thermistor, two ends are connected with pin TS1+ and TS1-of lithium battery group protector U200 respectively, described resistance R230 is thermistor, two ends are connected with pin TS2+ and TS2-of lithium battery group protector U200 respectively, for measuring the temperature of described lithium battery group, to prevent excess temperature, described lithium battery group protector U200 can vertical stack, high integration high precision digital-to-analog converter, independently cell voltage and temperature protection and battery equilibrium technology and provide high-precision 5V pressurizer for subscriber line circuit, high accuracy can measure each single battery voltage fast, comprehensive protection is provided, the safety of overvoltage, under-voltage, overcurrent and excess temperature for overvoltage, under-voltage, overcurrent and excess temperature situation
threshold valuewrite in its EPROM by control module.
Described strong and weak electricity isolation module comprises the digital isolator U6 and digital isolator U7 that model is ADuM1401, high-speed cmos and single-chip air-core transformer combine together by described digital isolator U6 and digital isolator U7, there is the outstanding performance characteristic due to alternative device such as optical couplers, stable performance, the current transfer ratio that optical coupler has usually can be eliminated uncertain, the problem that nonlinear transfer function and stability are not high and useful life is lower, the pin VOA of described digital isolator U6, VOB, the pin VIA of VOC and VID and described digital isolator U7, VIB, VIC and VOD respectively with the pin CS_H of described lithium battery group protector U200, SCLK_H, SDI_H, SDO_H, FAULT_H, ALERT_H, DRAY_H with CONV_H is connected, described is also communicated with described lithium battery group protector U200 by SPI communication modes.
Concrete, described control module comprises the single-chip microcomputer U2 that model is MSP430F5529, pin P4.0 ~ the P4.3 of described single-chip microcomputer U2 is connected with pin VIA, VIC, VOD and VIB of described digital isolator U6 respectively, and the pin TB0.1 ~ TB0.4 of described single-chip microcomputer U2 is connected with pin VID, V0C, VOB and VOA of described digital isolator U7 respectively.
Described data transmit-receive module comprises signal transceiver U3, the interface J3 and interface J4 that model is MAX232, pin T1in, T2in, R1out of described signal transceiver U3 are connected with pin P3.3, P4.4, P3.4 and P4.5 of described single-chip microcomputer U2 respectively with R2out, described interface J3 and interface J4 is RS232 interface, pin R1in with T1out of described signal transceiver U3 is connected with computer by interface J4, the safety of the overvoltage that user is arranged by computer, under-voltage, overcurrent and excess temperature
threshold valueand being transferred to single-chip microcomputer U2 by interface J4, pin R2in with T2out is connected with host computer by interface J3, and the detection data of voltage, electric current and temperature are transferred to host computer by interface J3 by single-chip microcomputer U1.
The quantity of described battery detecting module is multiple, adjacent two battery detecting modules are by spi bus communication, the pin CONV_N of the lithium battery group protector U200 in each described battery detecting module, DRDY_N, ALERT_N, FAULT_N, SCLK_N, SDO_N, SDI_N, CS_N is connected with in adjacent two lithium battery group protector U200, pin CONV_S, DRDY_S, ALERT_S, FAULT_S, SCLK_S, SDO_S, SDI_S, the lithium battery group protector U200 that CS_S is adjacent with another is connected, described battery detecting module easily extensible, the electric-control system of the convenient electric automobile for there is many group lithium battery groups detects and protection.
The invention has the beneficial effects as follows; this expandable type lithium battery management system for electric automobile carries out detecting, protect and controlling for each single battery of the varying number often organized in lithium battery group, different materials; independently can detect the voltage of each single battery; electric current and temperature; general protection to overvoltage, under-voltage, overcurrent and excess temperature situation is provided, and by the Monitoring Data of each single battery and safety
threshold valueit is right to carry out, and exports fault message, has higher flexibility and reliability, and there is extending space, and the electric-control system of the convenient electric automobile for there is many group lithium battery groups detects and protection.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the block schematic illustration of the present invention for the optimum embodiment of the expandable type lithium battery management system of electric automobile.
Fig. 2 is the local circuit distribution map of the present invention for the optimum embodiment of the expandable type lithium battery management system of electric automobile.
Fig. 3 is the local circuit distribution map of the present invention for the optimum embodiment of the expandable type lithium battery management system of electric automobile.
Fig. 4 is the local circuit distribution map of the present invention for the optimum embodiment of the expandable type lithium battery management system of electric automobile.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in figures 1-4, the invention provides a kind of expandable type lithium battery management system for electric automobile, comprise
Battery detecting module, is connected with one group of lithium battery group, for detecting the voltage of each battery in lithium battery group, electric current and temperature, generating and detecting data, and will detect the safety of data and the overvoltage be built in battery detecting module, under-voltage, overcurrent and excess temperature
threshold valuecontrast, generate fault message;
Strong and weak electricity isolation module, is connected by spi bus with between battery detecting module;
Control module, is connected with strong and weak electricity isolation module, obtains the detection data of voltage, electric current and temperature, and by the safety of overvoltage, under-voltage, overcurrent and excess temperature
threshold valuebe input in battery detecting module by strong and weak electricity isolation module;
Data transmit-receive module, is connected with host computer, computer and control module respectively, and the detection data of voltage, electric current and temperature are transferred to host computer, and the overvoltage that user is arranged by computer, under-voltage, overcurrent and excess temperature safety
threshold valuebe transferred to control module.
It is BQ76PL536 lithium battery group protector U200 that battery detecting module comprises model, sampling resistor R240 resistance R208 and resistance R230, pin VC0 ~ the VC6 of lithium battery group protector U200 is connected with each single battery of lithium battery group by interface J200 with CB1 ~ CB6, pin VC0 ~ VC6 is for measuring the voltage of each single battery, pin CB1 ~ CB6 is connected with power tube Q200 ~ Q205 respectively and between each single battery, lithium battery group protector U200 is by exporting to power tube Q200 ~ Q205 the balance that square-wave signal controls each single battery, sampling resistor R240 is connected in lithium battery group, pin GPAI+ and GPAI-of lithium battery group protector U200 is connected on the two ends of sampling resistor R240 respectively, for gathering the electric current in lithium battery group, resistance R208 is thermistor, two ends are connected with pin TS1+ and TS1-of lithium battery group protector U200 respectively, resistance R230 is thermistor, two ends are connected with pin TS2+ and TS2-of lithium battery group protector U200 respectively, for measuring the temperature of lithium battery group, the quantity of battery detecting module is multiple, pin CONV_N, DRDY_N, ALERT_N, FAULT_N, SCLK_N, SDO_N, SDI_N, the CS_N of lithium battery group protector U200 in each battery detecting module are connected with in adjacent two lithium battery group protector U200 by interface J202, and pin CONV_S, DRDY_S, ALERT_S, FAULT_S, SCLK_S, SDO_S, SDI_S, CS_S are connected by the lithium battery group protector U200 that interface J201 is adjacent with another.
Strong and weak electricity isolation module comprises digital isolator U6 that model is ADuM1401 and pin VOA, VOB, VOC of digital isolator U7, digital isolator U6 are connected with pin CS_H, SCLK_H, SDI_H, SDO_H, FAULT_H, ALERT_H, DRAY_H and CONV_H of lithium battery group protector U200 with interface J203 by interface J10 with VOD with pin VIA, VIB, VIC of VID and digital isolator U7.
Control module comprises the single-chip microcomputer U2 that model is MSP430F5529, pin P4.0 ~ the P4.3 of single-chip microcomputer U2 is connected with pin VIA, VIC, VOD and VIB of digital isolator U6 respectively, and the pin TB0.1 ~ TB0.4 of single-chip microcomputer U2 is connected with pin VID, V0C, VOB and VOA of digital isolator U7 respectively.
Data transmit-receive module comprises signal transceiver U3, the interface J3 and interface J4 that model is MAX232, pin T1in, T2in, R1out of signal transceiver U3 are connected with pin P3.3, P4.4, P3.4 and P4.5 of single-chip microcomputer U2 respectively with R2out, interface J3 and interface J4 is RS232 interface, pin R1in with T1out of signal transceiver U3 is connected with computer by interface J4, and pin R2in with T2out is connected with host computer by interface J3.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (5)
1., for an expandable type lithium battery management system for electric automobile, it is characterized in that: comprise
Battery detecting module, be connected with one group of lithium battery group, for detecting the voltage of each battery in described lithium battery group, electric current and temperature, generate and detect data, and by detect data and be built in overvoltage in described battery detecting module, the secure threshold of under-voltage, overcurrent and excess temperature contrasts, and generates fault message;
Strong and weak electricity isolation module, is connected by spi bus with between described battery detecting module;
Control module, is connected with described strong and weak electricity isolation module, obtains the detection data of described voltage, electric current and temperature, and is input in described battery detecting module by the secure threshold of overvoltage, under-voltage, overcurrent and excess temperature by described strong and weak electricity isolation module;
Data transmit-receive module, be connected with host computer, computer and control module respectively, the detection data of voltage, electric current and temperature are transferred to host computer, and the overvoltage that user is arranged by computer, under-voltage, overcurrent and excess temperature secure threshold be transferred to described control module;
It is BQ76PL536 lithium battery group protector U200 that described battery detecting module comprises model, sampling resistor R240 resistance R208 and resistance R230, pin VC0 ~ the VC6 of described lithium battery group protector U200 is connected with each single battery of lithium battery group with CB1 ~ CB6, described pin VC0 ~ VC6 is for measuring the voltage of each single battery, described pin CB1 ~ CB6 is connected with power tube Q200 ~ Q205 respectively and between each single battery, described lithium battery group protector U200 is by exporting to power tube Q200 ~ Q205 the balance that square-wave signal controls each single battery, described sampling resistor R240 is connected in described lithium battery group, pin GPAI+ and GPAI-of described lithium battery group protector U200 is connected on the two ends of described sampling resistor R240 respectively, for gathering the electric current in lithium battery group, described resistance R208 is thermistor, two ends are connected with pin TS1+ and TS1-of lithium battery group protector U200 respectively, described resistance R230 is thermistor, two ends are connected with pin TS2+ and TS2-of lithium battery group protector U200 respectively, for measuring the temperature of described lithium battery group.
2. as claimed in claim 1 for the expandable type lithium battery management system of electric automobile; it is characterized in that: described strong and weak electricity isolation module comprises the digital isolator U6 and digital isolator U7 that model is ADuM1401, pin VOA, VOB, VOC of described digital isolator U6 are connected with pin CS_H, SCLK_H, SDI_H, SDO_H, FAULT_H, ALERT_H, DRAY_H and CONV_H of described lithium battery group protector U200 with VOD respectively with pin VIA, VIB, VIC of VID and described digital isolator U7.
3. as claimed in claim 2 for the expandable type lithium battery management system of electric automobile, it is characterized in that: described control module comprises the single-chip microcomputer U2 that model is MSP430F5529, pin P4.0 ~ the P4.3 of described single-chip microcomputer U2 is connected with pin VIA, VIC, VOD and VIB of described digital isolator U6 respectively, and the pin TB0.1 ~ TB0.4 of described single-chip microcomputer U2 is connected with pin VID, V0C, VOB and VOA of described digital isolator U7 respectively.
4. as claimed in claim 3 for the expandable type lithium battery management system of electric automobile, it is characterized in that: described data transmit-receive module comprises the signal transceiver U3 that model is MAX232, interface J3 and interface J4, the pin T1in of described signal transceiver U3, T2in, R1out and R2out respectively with the pin P3.3 of described single-chip microcomputer U2, P4.4, P3.4 with P4.5 is connected, described interface J3 and interface J4 is RS232 interface, pin R1in with T1out of described signal transceiver U3 is connected with computer by interface J4, pin R2in with T2out is connected with host computer by interface J3.
5. as claimed in claim 1 for the expandable type lithium battery management system of electric automobile, it is characterized in that: the quantity of described battery detecting module is multiple, the pin CONV_N of the lithium battery group protector U200 in each described battery detecting module, DRDY_N, ALERT_N, FAULT_N, SCLK_N, SDO_N, SDI_N, CS_N is connected with in adjacent two lithium battery group protector U200, pin CONV_S, DRDY_S, ALERT_S, FAULT_S, SCLK_S, SDO_S, SDI_S, the lithium battery group protector U200 that CS_S is adjacent with another is connected.
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| CN201410114848.7A CN103840224B (en) | 2014-03-25 | 2014-03-25 | For the expandable type lithium battery management system of electric automobile |
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| CN201410114848.7A CN103840224B (en) | 2014-03-25 | 2014-03-25 | For the expandable type lithium battery management system of electric automobile |
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| CN103840224B true CN103840224B (en) | 2016-03-09 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104820200B (en) * | 2015-05-14 | 2018-07-06 | 哈尔滨冠拓电源设备有限公司 | Battery management system functional check platform and self checking method and the method for inspection with self-checking function |
| CN106558736A (en) * | 2015-09-25 | 2017-04-05 | 江苏威能汽车工业发展有限公司 | A kind of electric car lithium battery management system |
| CN105576775A (en) * | 2016-03-06 | 2016-05-11 | 唐山工业职业技术学院 | Power lithium ion battery management system |
| CN107918046B (en) * | 2017-10-23 | 2021-01-22 | 宁德时代新能源科技股份有限公司 | Current detection device and battery management system |
| US10608442B1 (en) | 2018-09-24 | 2020-03-31 | Texas Instruments Incorporated | Adaptive cell-balancing |
| CN113067381B (en) * | 2021-03-26 | 2023-11-03 | 深圳市迪浦电子有限公司 | Multi-lithium battery protection system |
| WO2023225850A1 (en) * | 2022-05-24 | 2023-11-30 | 东莞新能安科技有限公司 | Battery management system and energy storage system |
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| CN1896892A (en) * | 2006-04-10 | 2007-01-17 | 重庆大学 | Management system of power battery for mixed-power automobile |
| CN101551445A (en) * | 2009-05-12 | 2009-10-07 | 奇瑞汽车股份有限公司 | Power lithium cell collection system for electric automobile and collection control method |
| CN202749476U (en) * | 2011-02-25 | 2013-02-20 | 南京华博科技有限公司 | Intelligent electromobile battery management system |
| CN102346238A (en) * | 2011-08-04 | 2012-02-08 | 中国科学院武汉岩土力学研究所 | Battery management device for rescue capsule |
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