CN115065131B - BMS management control system for energy storage product battery - Google Patents
BMS management control system for energy storage product battery Download PDFInfo
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- CN115065131B CN115065131B CN202210975346.8A CN202210975346A CN115065131B CN 115065131 B CN115065131 B CN 115065131B CN 202210975346 A CN202210975346 A CN 202210975346A CN 115065131 B CN115065131 B CN 115065131B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 59
- 230000009467 reduction Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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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
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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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging 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
-
- 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
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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
- H01M10/48—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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
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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
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to the technical field of battery protection, and particularly discloses a battery BMS management control system of an energy storage product, which comprises a main controller and is characterized in that: the main controller is powered by a management system power supply module and is respectively connected with the cell temperature detection module, the cell charging current detection module, the cell voltage detection module and the main controller power supply voltage detection circuit; the battery cell temperature detection module comprises a temperature sensor, and the temperature sensor is connected with the main controller through a shift register; the serial input and parallel output shift register SN74HC595 with the model number of SN74HC595 is adopted, and the main controller selects the cell channel by selecting the analog switch channel of the shift register, so that the system can acquire the aim of reading thirty cell temperature data by only using 5I/O, thereby greatly reducing the I/O occupation of the main controller and creating convenience for chip type selection.
Description
Technical Field
The invention relates to the technical field of battery protection, in particular to a battery BMS management control system of an energy storage product.
Background
The main purpose of the BMS battery management system is to guarantee the design performance of the battery system and provide functions ranging from safety to durability and power supply performance. In terms of safety, i.e., the BMS management system can protect the battery cells or the battery pack from damage, preventing safety accidents. In terms of durability, i.e., the battery operates in a reliable and safe manner within the region to extend the useful life of the battery.
The BMS battery management system manages a total battery consisting of a plurality of batteries, and in terms of the existing management system, when the system is started, the main controller is easy to damage because the power supply voltage to the main controller is unstable; meanwhile, CAN bus communication is often adopted for voltage detection of the conventional battery cell, and the conventional cell temperature monitoring is often realized by adopting one cell to correspond to one cell temperature reading module, so that the cell temperature reading module occupies a large amount of space of the master controller I/O, and the space of the master controller I/O is compact.
Disclosure of Invention
The present invention is directed to a battery BMS management and control system for an energy storage product to solve the above problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an energy storage product battery BMS management control system, includes main control unit, main control unit is supplied power by management system power module, main control unit is connected with electric core temperature detection module, electric core charging current detection module, electric core voltage detection module and main control unit supply voltage detection circuitry respectively.
The battery cell temperature detection module comprises a temperature sensor, the temperature sensor is connected with the main controller through a shift register, the shift register adopts the shift register with serial input and parallel output to select channels of the analog switch and read the battery cell temperature, and thirty pieces of battery cell temperature data are acquired by five I/O.
The management system power supply module comprises an external 12V power supply and an external 24V charging power supply, the 12V power supply delivers 12V power to each relay through a 12V first power supply module, the 12V power supply is connected with an LDO power supply voltage reduction chip through a 5V first power supply module, the 5V first power supply module converts the 12V power supply into a 5V power supply, and the converted 5V power supply is used for reference voltage of voltage detection and current detection; the LDO power supply voltage reduction chip is connected with the main controller, and the LDO power supply voltage reduction chip reduces the 5V power supply to the 3.3V power supply and then supplies power to the main controller; the LDO power supply voltage reduction chip supplies power to the charge-discharge controller through the 12V second power module, and the LDO power supply voltage reduction chip supplies power to the current detection chip through the 5V second power module.
As a preferred technical solution of the present invention, the cell voltage detection module includes a high-speed transceiver MC33664 connected to the main controller through an SPI communication interface, and the high-speed transceiver MC33664 is connected to three MC33771 chips connected by high-speed daisy chain communication.
As a preferred technical solution of the present invention, the 24V charging power supply is connected to a power conversion chip through a 5V third power supply module, and the power conversion chip converts the charging power supply into a battery input voltage of 3.7V and then is connected to the battery through a battery core charging current detection module.
As a preferred technical solution of the present invention, the battery cell charging current detection module includes a control switch connected to a charging power supply, the control switch is connected to a battery, a current sensing resistor is disposed between the control switch and the battery, and the current sensing resistor is electrically connected to the main controller through a current detection chip.
As a preferred technical solution of the present invention, the main controller supply voltage detection circuit includes a main controller supply voltage detection chip disposed between the LDO power supply step-down chip and the main controller, and the main controller supply voltage detection chip is connected to the main controller.
As a preferable technical solution of the present invention, the shift register is an SN74HC595 shift register.
Compared with the prior art, the invention has at least the following beneficial effects:
1. the main function of the main controller module is to monitor the current, voltage and temperature of each cell in real time during the charging process, and if the current, voltage and temperature are abnormal, the abnormal cell can be disconnected in time and an alarm can be given.
2. In the cell voltage detection module, three MC33771 chips connected by high-speed daisy chain communication are connected with the high-speed transceiver MC33664, so that the traditional CAN bus communication CAN be replaced, the cell voltage detection module has the characteristics of low cost, maturity, reliability, high-speed isolated communication and the like, is mature and stable in application, CAN effectively reduce the cost, saves the board card space and is flexible in topology.
3. The serial input and parallel output shift register SN74HC595 with the model number of SN74HC595 is adopted, and the main controller selects the cell channel by selecting the analog switch channel of the shift register, so that the system can acquire the aim of reading thirty cell temperature data by only using 5I/O, thereby greatly reducing the I/O occupation of the main controller and creating convenience for chip type selection and the like.
4. The power supply voltage detection chip of the main controller monitors the power supply voltage of the main controller in real time, and the power supply on-off of the main controller is controlled according to the monitored power supply voltage, so that the condition that the main controller is damaged due to unstable power supply voltage of the main controller is avoided.
Drawings
Fig. 1 is a schematic block flow diagram of a BMS battery management system according to the present invention;
FIG. 2 is a schematic diagram of the connection between the main controller and the main controller power supply voltage detection circuit according to the present invention;
FIG. 3 is a schematic diagram of a power supply flow of an external 12V power supply in a power module of the management system according to the present invention;
FIG. 4 is a schematic diagram illustrating a charging process of an external 24V charging power supply in a power module of the management system according to the present invention;
fig. 5 is a schematic flow diagram of a cell charging current detection module according to the present invention;
FIG. 6 is a schematic flow diagram of a cell temperature detection module according to the present invention;
fig. 7 is a schematic flow chart of the cell voltage detection module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a battery BMS management control system for an energy storage product, including a main controller, the main controller is powered by a management system power module, and the main controller is respectively connected to a cell temperature detection module, a cell charging current detection module, a cell voltage detection module, and a main controller power supply voltage detection circuit.
As shown in fig. 3, the management system power module includes an external 12V power supply and an external 24V charging power supply, the 12V power supply delivers 12V power to each relay through the 12V first power module, the 12V power supply is connected to the LDO power supply buck chip through the 5V first power module, the 5V first power module converts the 12V power supply into a 5V power, and the converted 5V power is used for reference voltage for voltage detection and current detection; the LDO power supply voltage reduction chip is connected with the main controller, and the LDO power supply voltage reduction chip reduces the 5V power supply to the 3.3V power supply and then supplies power to the main controller; the LDO power supply voltage reduction chip supplies power to the charge-discharge controller through the 12V second power supply module, and supplies power to the current detection chip through the 5V second power supply module; specifically, the 12V first power supply module also supplies power to components such as the analog switch through the 5V fourth power supply module.
As shown in fig. 4, the 24V charging power supply is connected to the power conversion chip through the 5V third power supply module, and the power conversion chip converts the charging power supply into a battery input voltage of 3.7V and then is connected to the battery through the cell charging current detection module; the charging voltage of the battery cell is 3.7V.
As shown in fig. 5, the battery cell charging current detection module includes a control switch connected to the charging power supply, the control switch is connected to the battery, a current sensing resistor is disposed between the control switch and the battery, and the current sensing resistor is electrically connected to the main controller through a current detection chip; when the charging current of the battery cell is detected to be too large or too small, the main controller controls the control switch to be switched off so as to switch off and stop charging, and when the charging current of the battery cell is detected to be normal, the main controller controls the control switch to be switched on so as to realize charging and stopping charging.
Specifically, the control switch comprises an MOS (metal oxide semiconductor) tube arranged between the charging power supply and the current sensing resistor and an MOS tube arranged between the current sensing resistor and the battery, and the MOS tubes are all electrically connected with the main controller.
As shown in fig. 6, the cell temperature detection module includes a temperature sensor, the temperature sensor is connected to the main controller through a shift register, the shift register adopts a shift register with serial input and parallel output to perform channel selection of the analog switch, and cell temperature reading is performed, so that thirty cell temperature data are collected by five I/O; this power management system needs to carry out real-time supervision to electric core temperature for the guarantee safety, adopts the serial input parallel output's that the model is SN74HC595 shift register SN74HC595, and main control unit is through the analog switch passageway of selecting shift register to select electric core passageway, make the system only use 5 IO can gather the purpose of thirty electric core temperature data readings, greatly reduced main control unit IO occupies, creates the facility for chip type selection etc..
As shown in fig. 7, the cell voltage detection module includes a high-speed transceiver MC33664 connected to the master controller through an SPI communication interface, and the high-speed transceiver MC33664 is connected to three MC33771 chips connected by high-speed daisy chain communication; the invention adopts reliable high-speed daisy chain communication, CAN replace the traditional CAN bus communication, CAN effectively reduce the cost, saves the board card space and has flexible topology.
The main controller power supply voltage detection circuit comprises a main controller power supply voltage detection chip arranged between the LDO power supply voltage reduction chip and the main controller, and the main controller power supply voltage detection chip is connected with the main controller; the invention monitors the power supply voltage of the main controller in real time through the main controller power supply voltage detection chip, and when the detected power supply voltage of the main controller is lower than or higher than the working voltage of the main controller, the LDO power supply voltage reduction chip is controlled to stop supplying power to the main controller, so that the condition that the main controller is damaged due to unstable power supply voltage of the main controller is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A BMS management control system of an energy storage product battery comprises a main controller and is characterized in that the main controller is powered by a management system power module and is respectively connected with a battery cell temperature detection module, a battery cell charging current detection module, a battery cell voltage detection module and a main controller power supply voltage detection circuit;
the cell temperature detection module comprises a shift register, four analog switches and a temperature sensor, the temperature sensor is connected with a main controller through the shift register, the shift register is connected with the temperature sensor through the four analog switches respectively, the shift register adopts the shift register with serial input and parallel output to select channels of the analog switches and read the cell temperature, and thirty cell temperature data are acquired by five I/O;
the management system power supply module comprises an external 12V power supply and an external 24V charging power supply, the 12V power supply delivers 12V power to each relay through a 12V first power supply module, the 12V power supply is connected with an LDO power supply voltage reduction chip through a 5V first power supply module, the 5V first power supply module converts the 12V power supply into a 5V power supply, and the converted 5V power supply is used for reference voltage of voltage detection and current detection; the LDO power supply voltage reduction chip is connected with the main controller, and the LDO power supply voltage reduction chip reduces the 5V power supply to the 3.3V power supply and then supplies power to the main controller; the LDO power supply voltage reduction chip supplies power to the charge-discharge controller through the 12V second power module, and supplies power to the current detection chip through the 5V second power module;
the cell voltage detection module comprises a high-speed transceiver MC33664 connected with the main controller through an SPI communication interface, and three MC33771 chips connected by high-speed daisy chain communication are connected to the high-speed transceiver MC 33664;
the battery cell charging current detection module comprises a control switch connected with a charging power supply, the control switch is connected with a battery, a current sensing resistor is arranged between the control switch and the battery, and the current sensing resistor is electrically connected with a main controller through a current detection chip.
2. An energy storage product battery BMS management control system as claimed in claim 1, wherein: the 24V charging power supply is connected with the power supply conversion chip through the 5V third power supply module, and the power supply conversion chip converts the charging power supply into 3.7V battery input voltage and then is connected with the battery through the battery core charging current detection module.
3. An energy storage product battery BMS management control system as claimed in claim 2, wherein: the main controller power supply voltage detection circuit comprises a main controller power supply voltage detection chip arranged between the LDO power supply voltage reduction chip and the main controller, and the main controller power supply voltage detection chip is connected with the main controller.
4. An energy storage product battery BMS management control system as claimed in claim 1, wherein: the shift register is an SN74HC595 shift register.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210975346.8A CN115065131B (en) | 2022-08-15 | 2022-08-15 | BMS management control system for energy storage product battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210975346.8A CN115065131B (en) | 2022-08-15 | 2022-08-15 | BMS management control system for energy storage product battery |
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| CN115065131B true CN115065131B (en) | 2022-11-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208985151U (en) * | 2018-09-06 | 2019-06-14 | 常州第四无线电厂有限公司 | One kind being based on the cascade SSI data acquisition circuit of shift register |
| CN209374611U (en) * | 2018-12-25 | 2019-09-10 | 东莞钜威动力技术有限公司 | Communication acquisition device for battery management system |
| CN211416974U (en) * | 2019-12-30 | 2020-09-04 | 东风航盛（武汉）汽车控制***有限公司 | Integrated system for managing whole vehicle and battery |
| CN216672645U (en) * | 2021-12-30 | 2022-06-03 | 国网综合能源服务集团有限公司 | Lithium ion battery management system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6983212B2 (en) * | 2001-11-27 | 2006-01-03 | American Power Conversion Corporation | Battery management system and method |
| US20210245625A1 (en) * | 2020-02-06 | 2021-08-12 | Samsung Sdi Co., Ltd. | Battery system |
| CN114035026B (en) * | 2021-11-05 | 2023-08-18 | 银芯微(无锡)科技有限公司 | Micro control unit chip for battery management system and chip abnormality detection method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208985151U (en) * | 2018-09-06 | 2019-06-14 | 常州第四无线电厂有限公司 | One kind being based on the cascade SSI data acquisition circuit of shift register |
| CN209374611U (en) * | 2018-12-25 | 2019-09-10 | 东莞钜威动力技术有限公司 | Communication acquisition device for battery management system |
| CN211416974U (en) * | 2019-12-30 | 2020-09-04 | 东风航盛（武汉）汽车控制***有限公司 | Integrated system for managing whole vehicle and battery |
| CN216672645U (en) * | 2021-12-30 | 2022-06-03 | 国网综合能源服务集团有限公司 | Lithium ion battery management system |
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