CN107856559A - A kind of power battery management system of electric automobile - Google Patents
A kind of power battery management system of electric automobile Download PDFInfo
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- CN107856559A CN107856559A CN201710997954.8A CN201710997954A CN107856559A CN 107856559 A CN107856559 A CN 107856559A CN 201710997954 A CN201710997954 A CN 201710997954A CN 107856559 A CN107856559 A CN 107856559A
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- Prior art keywords
- battery
- module
- management system
- battery pack
- communication module
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/14—Preventing excessive discharging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of power battery management system of electric automobile, including one piece of battery management system control panel and some cell information gathering plates, connected between battery management system control panel and cell information gathering plate by RS232 buses, carry out information exchange；Described battery management system control panel includes embeded processor, RS232 communication modules, CAN communication module, battery pack current acquisition module, usb communication module, touch-screen human-computer interaction module, ethernet communication module, battery balanced control module and sound alarm module；Described cell information gathering plate includes embeded processor, digital isolator, RS232 communication modules, monomer battery voltage acquisition module and cell temperature collect module；Modularized design is taken, is installed easy to connect；Voltage, current acquisition precision are high, and battery dump energy estimation is accurate；With battery balanced function, prevent over-charging of battery is crossed from putting；Extend electrokinetic cell service life.
Description
Technical field
The invention belongs to electric automobile energy administrative skill field, and in particular to a kind of electric automobile power battery manages skill
Art.
Background technology
How effectively electrokinetic cell is the power producer of electric automobile, in occupation of important position in electric automobile
Vehicle driving mileage is improved using the energy of battery, the life-span for extending battery is the key issue of battery management system.Power electric
The performance of pond management system is most important to the distance travelled of electric automobile, use cost, energy-conservation and security.
The current research for battery management system both at home and abroad is increasingly paid attention to, and technology is more and more.Existing cell tube
The technical characterstic of reason system has：State-of-charge estimated accuracy is inadequate.The outside individually balanced charging of the more uses of equilibrium between battery
Mode, wiring, complex operation, electric automobile high current quick charge can not be realized, is unfavorable for the popularization of electric automobile.Can not root
The charging current of reasonable is determined according to current SOC, so easily cause battery overcharge or can not be full of wait show
As, be unfavorable for extend battery life-span.Detection of the battery management system for battery pack and safeguard lack predictability, can not be pre-
The health status of cell in battery pack is surveyed, is unfavorable for the debugging and maintenance of battery pack.
This technology combination electric automobile feature, using electric automobile power battery as primary study object, is in battery
Optimum Working, the function of battery is given full play to, extend battery, reduce the working service cost of electric automobile.
The content of the invention
Technical problems to be solved
In order to avoid the shortcomings of the prior art, the present invention proposes a kind of power battery management system of electric automobile.
Modularized design is taken, is installed easy to connect；Voltage, current acquisition precision are high, and battery dump energy estimation is accurate；With battery
Equalization function, prevent over-charging of battery is crossed from putting；Extend electrokinetic cell service life.
Technical scheme
A kind of power battery management system of electric automobile, it is characterised in that including one piece of battery management system control panel and
Some cell information gathering plates, it is total by RS232 between battery management system control panel and cell information gathering plate
Line connects, and carries out information exchange；Described battery management system control panel include embeded processor, RS232 communication modules,
CAN communication module, battery pack current acquisition module, usb communication module, touch-screen human-computer interaction module, ethernet communication
Module, battery balanced control module and sound alarm module；Embeded processor is adopted to RS232 communication modules, battery pack current
Collect module, CAN communication module, usb communication module, touch-screen human-computer interaction module, ethernet communication module, audible alarm
Module and battery balanced control module are controlled, and gather battery bus electric current, and pass through RS232 communication interfaces and battery information
Board communications are gathered, know voltage, temperature information per batteries in battery pack, the residue electricity of battery pack is estimated using these information
Amount, realizes the analysis to battery status, the charging, discharge process to battery pack are monitored and safety management, and battery pack is entered
Row balanced management；CAN communication module is used for and vehicle control device communication, and the battery status detected is sent to vehicle control
Device processed, it is easy to vehicle control device to be monitored management to battery；Battery pack current acquisition module mainly gathers the bus of battery pack
Electric current；Usb communication module can be sent to the battery status detected in computer and carry out data storage, data with compunlcation
Processing, graphical tabular are shown；Touch-screen human-computer interaction module connects with touch-screen, can intuitively show the battery detected
State；Ethernet communication module can be connected with Ethernet, and the battery status detected is passed through wired or wireless network WIFI
Server end is sent to, is easy to server to carry out remote monitoring；Battery balanced control module connects with battery equalizing circuit, embedding
Enter and balanced management is carried out to battery pack according to battery status under the control of formula processor；Audible alarm module is in battery management system control
Making sheet monitor battery pack overcharge, cross put or the excessively high abnormal operating state of temperature under carry out audible alarm, remind user
Pay attention to, timely processing；Described cell information gathering plate includes embeded processor, digital isolator, RS232 communication moulds
Block, monomer battery voltage acquisition module and cell temperature collect module；It is every that cell information gathering plate is connected to battery pack
The both positive and negative polarity of batteries, temperature sensor are installed on the binding post of the negative or positive electrode of battery, voltage to cell,
Temperature is acquired, and the battery information collected by being uploaded to battery management by RS232 buses after digital isolator
System control panel；Digital isolator realizes the electrical isolation of cell information gathering plate and battery management system control panel.
Described embeded processor is made up of arm processor or DSP or single-chip microcomputer.
Described CAN communication module can also communicate with the electrically-charging equipment equipped with CAN interface, be easy to electrically-charging equipment
Monitor the charged state of battery pack.
Beneficial effect
A kind of power battery management system of electric automobile proposed by the present invention, modularized design is taken, connection side is installed
Just；The running status of cell in battery pack can be monitored in real time, voltage, current acquisition precision are high, current sample
Precision ± 0.5A (charging and discharging currents scope 0-100A), voltage sample precision 10mV (voltage range 0-20V), temperature acquisition precision
± 1 DEG C (0-80 DEG C of temperature range)；Battery dump energy estimation is accurate, estimated accuracy≤5%；With battery balanced function, prevent
Only over-charging of battery, which is crossed, puts, and extends battery.CAN communication interface is equipped with, can be with vehicle control device or car running computer
Control on Communication is carried out, realizes the energy management of electric automobile；Enter row information with the charger equipped with CAN interface or charging pile
Interaction, monitors charged state in real time, and realization is fast and safely charged.
Brief description of the drawings
Fig. 1 battery management system schematic diagrames
Fig. 2 battery management system control panel circuit diagrams
Fig. 3 cell information gathering plate circuit diagrams
Embodiment
The present invention, which provides one kind, can detect battery set charge/discharge electric current, detection batteries monomer battery voltage, temperature, have
Battery dump energy is estimated, balanced power battery management system is carried out to battery pack.
The power battery management system is mainly by one piece of battery management system control panel and some cell information gatherings
Plate forms (quantity of battery information collection plate is determined by the quantity of series-connected cell).Connected, entered by RS232 buses between the two
Row information interacts.
Battery management system control panel is by embeded processor, RS232 communication modules, CAN communication module, battery pack
Current acquisition module, usb communication module, touch-screen human-computer interaction module, ethernet communication module, battery balanced control module structure
Into, audible alarm module.
Embeded processor in battery management system control panel is made up of arm processor (also can be by DSP or monolithic mechanism
Into), it is to RS232 communication modules, battery pack current acquisition module, CAN communication module, usb communication module, touch-screen people
Machine interactive module, ethernet communication module, audible alarm module, battery balanced control module are controlled, and gather battery bus
Electric current, and board communications are gathered by RS232 communication interfaces and battery information, know the voltage of every batteries, temperature in battery pack
Information, the dump energy of battery pack is estimated using these information, realizes the analysis to battery status, charging to battery pack, put
Electric process is monitored and safety management, and balanced management is carried out to battery pack.
CAN communication module is used for and vehicle control device communication, the battery status detected (cell voltage, can be filled
Discharge current, temperature and dump energy) send vehicle control device to, it is easy to vehicle control device to be monitored management to battery.CAN
Bus communication module can also communicate with the electrically-charging equipment equipped with CAN interface, be easy to the charging of electrically-charging equipment monitoring battery pack
State.
Battery pack current acquisition module mainly gathers the bus current of battery pack.
Usb communication module can be with compunlcation, can be battery status (cell voltage, charging and discharging currents, the temperature detected
And dump energy) computer progress data storage, data processing are sent to, graphical tabular is shown.
Touch-screen human-computer interaction module connects with touch-screen, can intuitively show detect battery status (cell voltage,
Charging and discharging currents, temperature and dump energy).
Ethernet interface can connect with Ethernet, can be battery status (cell voltage, the discharge and recharge detected
Electric current, temperature and dump energy) server end is sent to by wired or wireless network (WIFI), it is easy to server to carry out long-range
Monitoring.
Battery balanced control module connects with battery equalizing circuit, according to battery status pair under embeded processor control
Battery pack carries out balanced management.
Audible alarm module monitors that battery pack is overcharged, mistake is put or temperature is excessively high non-in battery management system control panel
Audible alarm, call user's attention, timely processing are carried out under normal operating conditions.
Cell information gathering plate is by embeded processor, digital isolator, RS232 communication modules, cell electricity
Acquisition module, cell temperature collect module is pressed to form.Cell information gathering plate is being connected to the every batteries of battery pack just
Negative pole, temperature sensor are installed on the binding post of the negative or positive electrode of battery, and the voltage, temperature to cell are adopted
Collection, and the battery information collected by being uploaded to battery management system control panel by RS232 buses after digital isolator.
Digital isolator realizes the electrical isolation of cell information gathering plate and battery management system control panel.
Embodiment is further detailed with reference to accompanying drawing：
A kind of power battery management system for electric automobile as Figure 1-3.The power battery management system uses
On electric automobile, single power battery nominal voltage 12V in electric automobile power battery bag, capacity 120AH, 12 monomer electricity
Pond is composed in series power battery pack, and power battery management system of the invention is managed to the battery pack.Can be in battery pack
The running status of cell monitored in real time, current sample precision ± 0.5A (charging and discharging currents scope 0-100A), electricity
Press sampling precision 10mV (voltage range 0-20V), temperature acquisition precision ± 1 DEG C (0-80 DEG C of temperature range)；Battery dump energy
Estimated accuracy≤5%；With battery balanced function, prevent over-charging of battery is crossed from putting, extend battery.It is equipped with CAN
Communication interface, Control on Communication can be carried out with vehicle control device or car running computer, realize the energy management of electric automobile；With equipped with
The charger or charging pile of CAN interface carry out information exchange, monitor charged state in real time, and realization is fast and safely charged.
The power battery management system is mainly by one piece of battery management system control panel and 12 pieces of cell information gatherings
Plate is formed.Battery management system control panel and 12 blocks of cell information gathering plates are connected by RS232 buses, battery management system
Control panel of uniting controls the process of whole RS232 serial communications as main control device.
Every block of cell information gathering plate is connected to both positive and negative polarity of the battery pack per batteries, and temperature sensor is installed to accordingly
On the binding post of the negative or positive electrode of battery.The voltage of every piece of cell information gathering plate collection cell, temperature are entered
Row collection, and the battery information collected is temporarily stored in the data storage of embeded processor.
Battery management system control panel accesses every block of cell information gathering plate by RS232 bus time-sharings, obtains every
The information of voltage of batteries, 12 batteries information of voltage are added up and obtain battery pack busbar voltage, while obtain battery temperature letter
Breath, battery management system control panel gather the bus current of battery pack, and according to above- mentioned information, embedded microprocessor utilizes 3 layers
Neural network model carries out On-line Estimation to battery dump energy.It is final obtain single battery voltage, temperature, cell it is surplus
The information such as remaining electricity, battery pack bus current, busbar voltage.
Battery management system control panel is single battery voltage, temperature, the dump energy of cell, battery pack bus electricity
Stream, busbar voltage deliver to vehicle control device by CAN communication module, are easy to vehicle control device to grasp when driving dynamic
Power battery status, estimate the distance travelled of electric automobile.
Battery management system control panel can be communicated by CAN with electrically-charging equipments such as charging pile, chargers, according to battery
Voltage, charging current, battery temperature and the battery level information of estimation judge battery status, prevent from charging in electrically-charging equipment
To the infringement of over-charging of battery, reduction to battery in journey.
Battery management system control panel by usb communication module can with compunlcation, can the cell voltage detected, fill
Discharge current, temperature and dump energy are sent to computer and carry out data storage, data processing, and graphical tabular is shown.
Battery management system control panel is connected by ethernet interface with Ethernet, can be the battery electricity detected
Pressure, charging and discharging currents, temperature and dump energy are sent to server end by wired or wireless network (WIFI), are easy to server
Carry out remote monitoring.
Embeded processor is obtained single battery voltage, temperature, the dump energy of cell, battery pack bus electricity
Stream, busbar voltage are sent to touch LCD screen and shown.
Battery balanced control module connects with bidirectional equalization circuit, when the section in battery pack or a few sections in charging process
When imbalance occurs in battery, embeded processor drives bidirectional equalization circuit by battery balanced control circuit, to battery
Group carries out balanced management so that pressure difference, which reduces, between battery reaches balanced, improves battery life.
Battery management system control panel monitor battery pack overcharge, cross put or the excessively high abnormal operating state of temperature under
Start sound alarm module and carry out audible alarm, call user's attention, timely processing.
Claims (3)
- A kind of 1. power battery management system of electric automobile, it is characterised in that if including one piece of battery management system control panel and Dry cell information gathering plate, pass through RS232 buses between battery management system control panel and cell information gathering plate Connection, carry out information exchange；Described battery management system control panel includes embeded processor, RS232 communication modules, CAN Bus communication module, battery pack current acquisition module, usb communication module, touch-screen human-computer interaction module, ethernet communication mould Block, battery balanced control module and sound alarm module；Embeded processor gathers to RS232 communication modules, battery pack current Module, CAN communication module, usb communication module, touch-screen human-computer interaction module, ethernet communication module, audible alarm mould Block and battery balanced control module are controlled, and gather battery bus electric current, and adopted with battery information by RS232 communication interfaces Collect board communications, know voltage, temperature information per batteries in battery pack, the residue electricity of battery pack is estimated using these information Amount, realizes the analysis to battery status, the charging, discharge process to battery pack are monitored and safety management, and battery pack is entered Row balanced management；CAN communication module is used for and vehicle control device communication, and the battery status detected is sent to vehicle control Device processed, it is easy to vehicle control device to be monitored management to battery；Battery pack current acquisition module mainly gathers the bus of battery pack Electric current；Usb communication module can be sent to the battery status detected in computer and carry out data storage, data with compunlcation Processing, graphical tabular are shown；Touch-screen human-computer interaction module connects with touch-screen, can intuitively show the battery detected State；Ethernet communication module can be connected with Ethernet, and the battery status detected is passed through wired or wireless network WIFI Server end is sent to, is easy to server to carry out remote monitoring；Battery balanced control module connects with battery equalizing circuit, embedding Enter and balanced management is carried out to battery pack according to battery status under the control of formula processor；Audible alarm module is in battery management system control Making sheet monitor battery pack overcharge, cross put or the excessively high abnormal operating state of temperature under carry out audible alarm, remind user Pay attention to, timely processing；Described cell information gathering plate includes embeded processor, digital isolator, RS232 communication moulds Block, monomer battery voltage acquisition module and cell temperature collect module；It is every that cell information gathering plate is connected to battery pack The both positive and negative polarity of batteries, temperature sensor are installed on the binding post of the negative or positive electrode of battery, voltage to cell, Temperature is acquired, and the battery information collected by being uploaded to battery management by RS232 buses after digital isolator System control panel；Digital isolator realizes the electrical isolation of cell information gathering plate and battery management system control panel.
- A kind of 2. power battery management system of electric automobile according to claim 1, it is characterised in that described insertion Formula processor is made up of arm processor or DSP or single-chip microcomputer.
- 3. the power battery management system of a kind of electric automobile according to claim 1, it is characterised in that described CAN is total Line communication module can also communicate with the electrically-charging equipment equipped with CAN interface, be easy to the charging shape of electrically-charging equipment monitoring battery pack State.
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| CN201710997954.8A CN107856559A (en) | 2017-10-24 | 2017-10-24 | A kind of power battery management system of electric automobile |
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Cited By (18)
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| CN108749607A (en) * | 2018-05-23 | 2018-11-06 | 清华大学深圳研究生院 | A kind of electric automobile power battery management and monitoring system based on cloud computing |
| CN109120489A (en) * | 2018-08-31 | 2019-01-01 | 上海理工大学 | Wireless multipoint array temperature of powered cell field test macro based on Modbus-ZigBee technology |
| CN109130946A (en) * | 2018-08-23 | 2019-01-04 | 广州创链科技有限公司 | A kind of new-energy automobile power battery operating status balance system and method |
| CN109725259A (en) * | 2019-01-25 | 2019-05-07 | 格林美股份有限公司 | A kind of electri forklift electricity monitoring system and method |
| CN109831007A (en) * | 2019-03-12 | 2019-05-31 | 安徽卓越电气有限公司 | Distributed battery control system |
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| CN110027424A (en) * | 2019-04-18 | 2019-07-19 | 苏州奇才电子科技股份有限公司 | A kind of electric automobile charging pile and its charging method |
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| CN110460128A (en) * | 2019-08-23 | 2019-11-15 | 北京电子工程总体研究所 | A kind of autonomous controllable high-voltage battery set control system |
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| CN108749607A (en) * | 2018-05-23 | 2018-11-06 | 清华大学深圳研究生院 | A kind of electric automobile power battery management and monitoring system based on cloud computing |
| CN109130946A (en) * | 2018-08-23 | 2019-01-04 | 广州创链科技有限公司 | A kind of new-energy automobile power battery operating status balance system and method |
| CN109120489A (en) * | 2018-08-31 | 2019-01-01 | 上海理工大学 | Wireless multipoint array temperature of powered cell field test macro based on Modbus-ZigBee technology |
| CN109120489B (en) * | 2018-08-31 | 2020-11-03 | 上海理工大学 | Wireless multi-point array type power battery temperature field test system based on Modbus-ZigBee technology |
| CN109725259A (en) * | 2019-01-25 | 2019-05-07 | 格林美股份有限公司 | A kind of electri forklift electricity monitoring system and method |
| CN109849735A (en) * | 2019-02-22 | 2019-06-07 | 江苏鸿鹄电子科技有限公司 | A kind of new energy car battery overcharges protection system and method |
| CN109831007A (en) * | 2019-03-12 | 2019-05-31 | 安徽卓越电气有限公司 | Distributed battery control system |
| CN111693883A (en) * | 2019-03-14 | 2020-09-22 | 联合汽车电子有限公司 | Battery state detection system and method and vehicle |
| CN110027424A (en) * | 2019-04-18 | 2019-07-19 | 苏州奇才电子科技股份有限公司 | A kind of electric automobile charging pile and its charging method |
| CN110126673A (en) * | 2019-05-17 | 2019-08-16 | 中国铁塔股份有限公司 | A kind of battery echelon utilizes management system, electric car and communication base station |
| CN110126673B (en) * | 2019-05-17 | 2020-12-08 | 中国铁塔股份有限公司 | Battery echelon utilization management system, electric automobile and communication base station |
| CN110460128A (en) * | 2019-08-23 | 2019-11-15 | 北京电子工程总体研究所 | A kind of autonomous controllable high-voltage battery set control system |
| CN112864479A (en) * | 2019-11-12 | 2021-05-28 | 株洲中车时代电气股份有限公司 | Rail transit lithium battery management system and battery system |
| CN112864479B (en) * | 2019-11-12 | 2022-06-07 | 株洲中车时代电气股份有限公司 | Rail transit lithium battery management system and battery system |
| CN111092257A (en) * | 2019-12-17 | 2020-05-01 | 天津力神电池股份有限公司 | Intelligent lithium ion battery |
| CN113533968A (en) * | 2020-04-15 | 2021-10-22 | 深圳市星一智能技术有限公司 | Electric quantity metering system of lithium battery electric moped |
| CN112034408A (en) * | 2020-09-14 | 2020-12-04 | 桑顿新能源科技有限公司 | BMS current acquisition precision testing system and method and readable storage medium |
| CN112248879A (en) * | 2020-10-16 | 2021-01-22 | 怀化新大地电脑有限公司 | Battery management system |
| CN113320433A (en) * | 2021-06-02 | 2021-08-31 | 天津云圣智能科技有限责任公司 | Unmanned aerial vehicle battery management system and management method |
| CN113471558A (en) * | 2021-08-10 | 2021-10-01 | 东莞市博迈斯科技有限公司 | Battery management system with intelligent interaction function |
| CN114019863A (en) * | 2021-11-02 | 2022-02-08 | 弘正储能(上海)能源科技有限公司 | Random addressing device and method for low-voltage energy storage system |
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