CN107425229A - A kind of cold battery system of liquid used for electric vehicle and its thermal management algorithm - Google Patents
A kind of cold battery system of liquid used for electric vehicle and its thermal management algorithm Download PDFInfo
- Publication number
- CN107425229A CN107425229A CN201710208602.XA CN201710208602A CN107425229A CN 107425229 A CN107425229 A CN 107425229A CN 201710208602 A CN201710208602 A CN 201710208602A CN 107425229 A CN107425229 A CN 107425229A
- Authority
- CN
- China
- Prior art keywords
- battery system
- refrigerator
- heating
- power
- preset time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- 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)
- Secondary Cells (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of cold battery system of liquid used for electric vehicle and its thermal management algorithm, wherein the cold battery system of liquid used for electric vehicle includes battery system, the outlet pipe being connected with battery system, refrigerator, water pump and water inlet pipe；The battery system, outlet pipe, refrigerator, water pump and water inlet pipe are in turn connected to form a closed loop configuration；Connected between the battery system and refrigerator by CAN.The method for managing temperature of the present invention calculates the increment that generated heat in preset time period caused by battery system by battery system, increases power according to heating incremental computations heating, then calculates heating power, and refrigerator then produces suitable refrigeration work consumption.Refrigerator does not have to continually switch, and extends the service life of refrigerator, realizes that the closed loop of refrigerator becomes yupin effect；By the temperature control of battery system in the range of preferable minizone, it is ensured that the security of battery system, extend cell system lifetime；Refrigerator power matches with battery system heating power, reduces energy consumption of vehicles.
Description
Technical field
The present invention relates to automobile batteries field, and in particular to a kind of cold battery system of liquid used for electric vehicle and its heat management side
Method.
Background technology
With the application and popularization of electric automobile, in order to ensure the harmony of the efficiency of battery system heat management and temperature,
Battery system is cooled down using coolant or the efficiency of heater riser cooling or heating also ensures the equilibrium of heat distribution
Property.Therefore electric vehicle battery system is cooled down using liquid turns into a kind of trend.At present using the cold battery system of liquid
Cooling control system flow is handled by procedure below mostly：When the temperature for detecting battery system is higher than a certain setting
Refrigerator is opened during value, starts to freeze to the coolant of battery system；When detecting the temperature of battery system less than a certain
Refrigerator is closed during limit value.Following two defects be present in this mode：First, refrigerator frequently switches on, the refrigerator life-span is influenceed；
Second, the temperature of battery system can only be controlled in certain temperature range.
The content of the invention
In order to solve the above problems, avoid the liquid used for electric vehicle for frequently switching on refrigerator cold the invention provides a kind of
Battery system and its thermal management algorithm.
The present invention is realized using following scheme：
A kind of cold battery system of liquid used for electric vehicle, including battery system, the outlet pipe being connected with battery system, refrigerator, water
Pump and water inlet pipe；The battery system, outlet pipe, refrigerator, water pump and water inlet pipe are in turn connected to form a closed loop configuration；It is described
Connected between battery system and refrigerator by CAN.
Further, the coolant for being used for cooling down battery, drive of the coolant in water pump are provided with the closed loop configuration
Flowed under dynamic along closed loop configuration.
The present invention also provides a kind of method for managing temperature of the cold battery system of liquid used for electric vehicle, and battery system calculates current
Heating increment caused by the battery system in preset time period before moment, according to the heating incremental computations preset time periods
Heating increases power, then increases power calculation by heating and obtain heating power, and the numerical value of heating power will be calculated in rear battery system
Refrigerator is sent to, refrigerator produces suitable refrigeration work consumption according to heating power, specifically includes following steps：
Step 1：Battery system preset time period is moment t1 to moment t2, reads battery system at t1 moment and t2 moment
Temperature T1 and temperature T2；
Step 2：The temperature T1 and T2 read according to step 1, the hair of battery system in the preset time period is calculated by formula
Heat gain：
△ Q=CM (T2- T1) formula one
△ Q are preset time period heating increment in formula, and C is battery system specific heat capacity, and M is battery system quality；
Step 3：Power is increased according to the heating of battery system in the heating incremental computations preset time period of battery system：
△ P1=△ Q/ (t2- t1) formula two
△ P1 increase power for heating in formula；
Step 4：Increase the refrigeration work consumption requirements of power calculation refrigerator according to heating of the battery system in preset time period：
P=P1+ △ P1 formula three
P is refrigeration work consumption requirements in formula, and P1 is refrigerator current power；
Step 5：The refrigeration work consumption requirements P being calculated in step 3 is fed back to refrigeration by battery system by CAN
Device, refrigerator produce corresponding refrigeration work consumption.
Further, the moment t1 to moment t2 is the period under normal battery operation state.
Further, the refrigerator produces time and the preset time period phase of refrigeration work consumption corresponding with power demand values
Deng.
The invention has the advantages that：
Using a kind of cold battery system of electric automobile liquid provided by the invention and its thermal management algorithm, refrigerator does not have to continually enter
The operation that row is opened, closed, the service life of refrigerator can be extended, realize that the closed loop of refrigerator becomes yupin effect.By battery
The temperature control of system is in the range of preferable minizone, it is ensured that the security of battery system, extends the life-span of battery system most
It is long.The refrigeration work consumption of refrigerator matches with the heating power of battery system, can realize reduction energy consumption of vehicles.
Brief description of the drawings
Fig. 1 is a kind of cold battery system of electric automobile liquid provided by the invention and its cold electricity of embodiment liquid of thermal management algorithm one
The illustraton of model of cell system.
Fig. 2 is the battery system temperature control figure that conventional heat pipe manages method.
Fig. 3 is the battery system temperature control figure of the embodiment of the present invention.
Embodiment
For ease of skilled artisan understands that the present invention, the present invention is made below in conjunction with specific embodiments and the drawings into
One step is described in detail.
Such as Fig. 1, a kind of cold battery system of liquid used for electric vehicle provided by the invention, including battery system 1 and battery system
Outlet pipe 2, refrigerator 3, water pump 4 and the water inlet pipe 5 of connection.Battery system 1, outlet pipe 2, refrigerator 3, water pump 4 and water inlet pipe 5
It is sequentially connected, rear water inlet pipe is connected with battery system again, forms a closed loop configuration.Coolant 7 is previously placed in the closed loop configuration,
And it can be circulated under the driving of water pump along the closed loop.When the temperature of battery system raises, heat, which is transmitted to, to be flowed through
In the coolant of battery system, rear coolant is flowed at refrigerator, and refrigerator starts the Wen Duxiajiang for making coolant, then cooling
Liquid is flowed again into battery system via water pump.Connected simultaneously between battery system and refrigerator by CAN, and can
Pass through CAN transmission and feedback information.For example, battery system can control according to the temperature of battery to refrigerator transmission information
The switch or watt level of refrigerator.
The present invention also provides a kind of method for managing temperature of the cold battery system of liquid used for electric vehicle, and battery system calculates current
Heating increment caused by the battery system in preset time period before moment, according to the heating incremental computations preset time periods
Heating increases power, then increases power calculation by heating and obtain heating power, and the numerical value of heating power will be calculated in rear battery system
Refrigerator is sent to, refrigerator produces suitable refrigeration work consumption according to heating power, specifically includes following steps：
Step 1：Battery system preset time period is moment t1 to moment t2, reads battery system at t1 moment and t2 moment
Temperature T1 and temperature T2；
Step 2：The temperature T1 and T2 read according to step 1, the hair of battery system in the preset time period is calculated by formula
Heat gain：
△ Q=CM (T2- T1) formula one
△ Q are preset time period heating increment in formula, and C is battery system specific heat capacity, and M is battery system quality；
Step 3：Power is increased according to the heating of battery system in the heating incremental computations preset time period of battery system：
△ P1=△ Q/ (t2- t1) formula two
△ P1 increase power for heating in formula；
Step 4：Increase the refrigeration work consumption requirements of power calculation refrigerator according to heating of the battery system in preset time period：
P=P1+ △ P1 formula three
P is refrigeration work consumption requirements in formula, and P1 is refrigerator current power；
Step 5：The refrigeration work consumption requirements P being calculated in step 3 is fed back to refrigeration by battery system by CAN
Device, refrigerator produce corresponding refrigeration work consumption.
Wherein, t1 to moment t2 is the period under normal battery operation state at the time of selected.When system is according to this
Between in section heating increment caused by battery calculate power increment, then calculate total heating power, namely refrigerator is when identical
Between refrigeration work consumption requirements in section, then done work according to the requirements, control refrigerator within the period.
Fig. 2 is traditional temperature control method battery system temperature control figure, and traditional method is system detectio to battery temperature
When rising to breakthrough preset temperature high level, battery system controls refrigerator to start refrigeration, and when temperature drops to preset temperature
During low value, refrigerator is then stopped, and so moves in circles.
Fig. 3 is battery system temperature control figure in the present invention, it can be seen that, refrigerator maintains opening state from figure curve
State, fifty-fifty done work according to the refrigeration work consumption requirements of calculating, it is not necessary to continually start and close again, refrigerator can be extended
Service life, realize refrigerator closed loop become yupin effect.By the temperature control of battery system in the range of preferable minizone,
Ensure the security of battery system, while also extend the life-span of battery system.The refrigeration work consumption of refrigerator and the hair of battery system
Thermal power matches, and can realize reduction energy consumption of vehicles.
Although description of this invention combination embodiments above is carried out, those skilled in the art
Many replacements, modifications and variations can be carried out according to above-mentioned content, be obvious.Therefore, it is all such to substitute, change
Enter and change is included in scope of the appended claims.
Claims (5)
1. a kind of cold battery system of liquid used for electric vehicle, it is characterised in that including battery system（1）With battery system（1）Connection
Outlet pipe（2）, refrigerator（3）, water pump（4）And water inlet pipe（5）；The battery system, outlet pipe, refrigerator, water pump and enter
Water pipe is in turn connected to form a closed loop configuration；Pass through CAN between the battery system and refrigerator（6）Connection.
2. the cold battery system of liquid used for electric vehicle according to claim 1, it is characterised in that be provided with the closed loop configuration
For cooling down the coolant of battery（7）, the coolant flows under the driving of water pump along closed loop configuration.
A kind of 3. temperature treatment side of the cold battery system of liquid used for electric vehicle in 1-2 based on claim described in any one
Method, it is characterised in that heating increment caused by the battery system in preset time period before battery system calculating current time,
According to the heating increasing power of the heating incremental computations preset time period, then power calculation is increased by heating and obtains heating power, rear electricity
The numerical value that heating power is calculated is sent to refrigerator by cell system, and refrigerator produces suitable refrigeration work(according to heating power
Rate, specifically include following steps：
Step 1：Battery system preset time period is moment t1To moment t2, battery system is read in t1Moment and t2The temperature at moment
Spend T1With temperature T2；
Step 2：The temperature T read according to step 11And T2, the hair of battery system in the preset time period is calculated by formula
Heat gain：
△Q= CM(T2- T1) formula one
△ Q are preset time period heating increment in formula, and C is battery system specific heat capacity, and M is battery system quality；
Step 3：Power is increased according to the heating of battery system in the heating incremental computations preset time period of battery system：
△P1= △Q/( t2- t1) formula two
△ P in formula1Increase power for heating；
Step 4：Increase the refrigeration work consumption requirements of power calculation refrigerator according to heating of the battery system in preset time period：
P= P1+△P1Formula three
P is refrigeration work consumption requirements in formula, P1For refrigerator current power；
Step 5：The refrigeration work consumption requirements P being calculated in step 3 is fed back to refrigeration by battery system by CAN
Device, refrigerator produce corresponding refrigeration work consumption.
4. the method for managing temperature of the cold battery system of liquid used for electric vehicle according to claim 3, it is characterised in that described
Moment t1To moment t2For the period under normal battery operation state.
5. the method for managing temperature of the cold battery system of liquid used for electric vehicle according to claim 4, it is characterised in that described
The time that refrigerator produces refrigeration work consumption corresponding with power demand values is equal with preset time period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208602.XA CN107425229B (en) | 2017-03-31 | 2017-03-31 | Liquid cooling battery system for electric automobile and heat management method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208602.XA CN107425229B (en) | 2017-03-31 | 2017-03-31 | Liquid cooling battery system for electric automobile and heat management method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107425229A true CN107425229A (en) | 2017-12-01 |
| CN107425229B CN107425229B (en) | 2021-06-15 |
Family
ID=60423407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710208602.XA Active CN107425229B (en) | 2017-03-31 | 2017-03-31 | Liquid cooling battery system for electric automobile and heat management method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107425229B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172930A (en) * | 2017-12-26 | 2018-06-15 | 智车优行科技（上海）有限公司 | battery pack cooling control method, device and battery pack |
| CN108400404A (en) * | 2018-02-11 | 2018-08-14 | 乐视汽车（北京）有限公司 | battery cooling control method, battery thermal management system and electric vehicle |
| CN108417906A (en) * | 2018-01-10 | 2018-08-17 | 中山大学 | Battery management system with Intelligent heat management system control function |
| CN109830710A (en) * | 2019-01-29 | 2019-05-31 | 广东国鸿氢能科技有限公司 | The test method of fuel cell pile thermal capacitance |
| CN111509332A (en) * | 2019-05-07 | 2020-08-07 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
| CN111791755A (en) * | 2019-04-09 | 2020-10-20 | 微宏动力系统（湖州）有限公司 | Battery thermal management method |
| CN112666442A (en) * | 2020-12-28 | 2021-04-16 | 江苏信基科技有限公司 | Method for measuring ESR (equivalent series resistance) parameter of capacitor |
| CN112713330A (en) * | 2019-10-25 | 2021-04-27 | 郑州宇通客车股份有限公司 | Method for determining parameters of liquid-cooled battery system for vehicle |
| CN112736320A (en) * | 2020-12-28 | 2021-04-30 | 东软睿驰汽车技术（沈阳）有限公司 | Method, device and equipment for determining cooling parameters of cooling system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074797A (en) * | 2006-05-16 | 2007-11-21 | 保定市创新瑞德新能源技术有限公司 | Corrosive-medium dynamic heating system with semiconductor electrothermal membrane tube as heating component |
| US20120021258A1 (en) * | 2009-02-20 | 2012-01-26 | Tesla Motors, Inc. | Method of Controlling System Temperature to Extend Battery Pack Life |
| CN103855440A (en) * | 2012-11-29 | 2014-06-11 | 上海汽车集团股份有限公司 | Control method of vehicle battery cooling system |
| CN103904382A (en) * | 2013-12-20 | 2014-07-02 | 浙江吉利控股集团有限公司 | Cooling control method for vehicle-mounted power battery of hybrid electric vehicle |
| CN105552478A (en) * | 2016-01-15 | 2016-05-04 | 温州大学 | Design method of power battery temperature control system and corresponding control system |
| CN105846010A (en) * | 2016-04-11 | 2016-08-10 | 安徽安凯汽车股份有限公司 | Radiating system and radiating method for lithium ion battery pack |
| CN106058384A (en) * | 2016-08-08 | 2016-10-26 | 北京现代汽车有限公司 | Heating method and device of power battery |
-
2017
- 2017-03-31 CN CN201710208602.XA patent/CN107425229B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074797A (en) * | 2006-05-16 | 2007-11-21 | 保定市创新瑞德新能源技术有限公司 | Corrosive-medium dynamic heating system with semiconductor electrothermal membrane tube as heating component |
| US20120021258A1 (en) * | 2009-02-20 | 2012-01-26 | Tesla Motors, Inc. | Method of Controlling System Temperature to Extend Battery Pack Life |
| CN103855440A (en) * | 2012-11-29 | 2014-06-11 | 上海汽车集团股份有限公司 | Control method of vehicle battery cooling system |
| CN103904382A (en) * | 2013-12-20 | 2014-07-02 | 浙江吉利控股集团有限公司 | Cooling control method for vehicle-mounted power battery of hybrid electric vehicle |
| CN105552478A (en) * | 2016-01-15 | 2016-05-04 | 温州大学 | Design method of power battery temperature control system and corresponding control system |
| CN105846010A (en) * | 2016-04-11 | 2016-08-10 | 安徽安凯汽车股份有限公司 | Radiating system and radiating method for lithium ion battery pack |
| CN106058384A (en) * | 2016-08-08 | 2016-10-26 | 北京现代汽车有限公司 | Heating method and device of power battery |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172930A (en) * | 2017-12-26 | 2018-06-15 | 智车优行科技（上海）有限公司 | battery pack cooling control method, device and battery pack |
| CN108417906A (en) * | 2018-01-10 | 2018-08-17 | 中山大学 | Battery management system with Intelligent heat management system control function |
| CN108400404A (en) * | 2018-02-11 | 2018-08-14 | 乐视汽车（北京）有限公司 | battery cooling control method, battery thermal management system and electric vehicle |
| CN109830710B (en) * | 2019-01-29 | 2020-11-17 | 广东国鸿氢能科技有限公司 | Method for testing heat capacity of fuel cell stack |
| CN109830710A (en) * | 2019-01-29 | 2019-05-31 | 广东国鸿氢能科技有限公司 | The test method of fuel cell pile thermal capacitance |
| CN111791755A (en) * | 2019-04-09 | 2020-10-20 | 微宏动力系统（湖州）有限公司 | Battery thermal management method |
| CN111791755B (en) * | 2019-04-09 | 2024-02-13 | 微宏公司 | Battery thermal management method |
| CN111509332A (en) * | 2019-05-07 | 2020-08-07 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
| CN111509332B (en) * | 2019-05-07 | 2021-08-24 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
| CN112713330A (en) * | 2019-10-25 | 2021-04-27 | 郑州宇通客车股份有限公司 | Method for determining parameters of liquid-cooled battery system for vehicle |
| CN112713330B (en) * | 2019-10-25 | 2022-05-20 | 宇通客车股份有限公司 | Method for determining parameters of liquid-cooled battery system for vehicle |
| CN112666442A (en) * | 2020-12-28 | 2021-04-16 | 江苏信基科技有限公司 | Method for measuring ESR (equivalent series resistance) parameter of capacitor |
| CN112736320A (en) * | 2020-12-28 | 2021-04-30 | 东软睿驰汽车技术（沈阳）有限公司 | Method, device and equipment for determining cooling parameters of cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107425229B (en) | 2021-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107425229A (en) | A kind of cold battery system of liquid used for electric vehicle and its thermal management algorithm | |
| CN103094640B (en) | Battery pack heat management device | |
| US8851153B2 (en) | System and method for managing waste heat of electric vehicle | |
| JP6364926B2 (en) | Air conditioner for vehicles | |
| JP4458126B2 (en) | Fuel cell system and control method thereof | |
| CN109572486B (en) | Thermal management system and control method for power battery of hybrid electric vehicle | |
| CN108376810A (en) | Power battery thermal management method and system | |
| JP5779070B2 (en) | Solar energy utilization system | |
| CN110329113A (en) | A kind of control method of automobile integrated thermal management system | |
| CN105576321A (en) | battery pack thermal management system | |
| CN209126471U (en) | Pure electric automobile heat management system | |
| CN110329112A (en) | A kind of automobile integrated thermal management system | |
| CN113038807B (en) | Control method of liquid-cooled electric energy system, liquid-cooled electric energy system and storage medium | |
| CN208462262U (en) | A kind of liquid cooling system | |
| CN113183734A (en) | Thermal management system of electric vehicle | |
| CN106887616B (en) | Fuel cell cold start system and method based on liquid organic hydrogen storage | |
| CN115425260A (en) | Temperature control method for electric pile of vehicle proton exchange membrane fuel cell | |
| KR102477358B1 (en) | Battery thermal management controller and method for electric vehicle using variable flow rate | |
| KR102589025B1 (en) | Control method of air conditioner for electric vehicle | |
| CN114156558A (en) | Battery thermal management method and system based on latent heat of phase change of refrigerant | |
| JP2017093154A (en) | Regenerative brake device for vehicle | |
| CN217396149U (en) | Electric engineering machinery and thermal management system thereof | |
| CN110905683B (en) | Engine thermal cycle management system and method | |
| CN215435957U (en) | Thermal management system of electric vehicle | |
| CN214203751U (en) | Battery control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |