CN109145394A - Display method, device and system for temperature field of power battery - Google Patents
Display method, device and system for temperature field of power battery Download PDFInfo
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Abstract
The invention provides a method, a device and a system for displaying a temperature field of a power battery, which relate to the technical field of power battery performance testing, and the method comprises the following steps: acquiring the temperature of a plurality of test points on each single battery of the power battery in real time; correcting a battery monomer thermal simulation model corresponding to each battery monomer according to the temperature of a plurality of test points on the battery monomer obtained currently and a pre-stored model correction function; and generating and displaying a current temperature field cloud picture of the power battery according to the corrected plurality of battery monomer thermal simulation models. The scheme of the invention realizes the real-time visual display of the distribution of the temperature fields of the power battery under different working conditions, shortens the thermal design period of the power battery and improves the working efficiency.
Description
Technical field
The invention belongs to power battery technical field of performance test, more particularly, to a kind of display of temperature of powered cell field
Method, apparatus and system.
Background technique
With the development of electric car industry, the performance requirement of battery system is also being continuously improved in electric car.?
Under the background that power battery energy density is continuously improved, battery thermal management system design is become more and more important.Heat management at present
Design needs to first pass through modeling and simulating, verification experimental verification is then carried out, then handle test data, to instruct heat management to set
Meter, since test data cannot intuitively indicate the Thermal Parameter of power battery, this result in whole process very very long and
Consume a large amount of manpower and material resources.
Summary of the invention
A kind of display methods for being designed to provide temperature of powered cell field of the embodiment of the present invention, apparatus and system, from
And it solves to instruct the process of power battery heat management design very long and a large amount of manpower of consumption by test data in the prior art
The problem of material resources.
To achieve the goals above, the present invention provides a kind of display methods of temperature of powered cell field, comprising:
The temperature of multiple test points on each battery cell of power battery is obtained in real time；
According to the temperature of multiple test points on the battery cell currently obtained and pre-stored Modifying model letter
Number corrects the hot simulation model of battery cell corresponding with each battery cell；
According to revised multiple hot simulation models of battery cell, the current temperature of the power battery is generated and shown
Spend field cloud atlas.
Wherein, before the step of obtaining the temperature of multiple test points on each battery cell of power battery in real time, institute
State method further include:
Obtain user's battery cell number currently entered and the hot simulation model information of battery cell；
It is imitative in pre-stored multiple battery cell heat according to the hot simulation model information of the battery cell currently obtained
In true mode, the hot simulation model of battery cell corresponding with the hot simulation model information of the battery cell that user inputs is obtained；
According to the battery cell number currently obtained and the hot simulation model of the battery cell currently obtained, generate
The corresponding relationship of battery cell number and the hot simulation model of battery cell.
Wherein, it according to revised multiple hot simulation models of battery cell, generates and shows the power battery
The step of Current Temperatures field cloud atlas includes:
According to the threedimensional model of the power battery and the current revised hot simulation model of battery cell, generate described dynamic
The Current Temperatures field cloud atlas of power battery；
Show the Current Temperatures field cloud atlas of the power battery.
Wherein, it according to the threedimensional model of the power battery and the current revised hot simulation model of battery cell, generates
Before the step of Current Temperatures field cloud atlas of the power battery, the method also includes:
According to each battery cell number of user's input and coordinate corresponding with battery cell number, described in generation
The threedimensional model of power battery.
Wherein, according to the simulation model temperature field of current revised multiple battery cells, the power electric is shown
After the step of Current Temperatures field cloud atlas in pond, the method also includes:
Save the Current Temperatures field cloud atlas of the power battery.
The embodiment of the present invention also provides a kind of display device of temperature of powered cell field, comprising:
First obtains module, the temperature of multiple test points on each battery cell for obtaining power battery in real time；
Correction module, for according to the temperature of multiple test points on the battery cell that currently obtains and being stored in advance
Modifying model function, correct corresponding with each battery cell hot simulation model of battery cell；
Display module, it is described dynamic for according to revised multiple hot simulation models of battery cell, generating and showing
The Current Temperatures field cloud atlas of power battery.
Wherein, described device further include:
Second obtains module, for obtaining user's battery cell number currently entered and the hot simulation model letter of battery cell
Breath；
Third obtains module, for being stored in advance according to the hot simulation model information of the battery cell currently obtained
The hot simulation model of multiple battery cells in, obtain corresponding with the hot simulation model information of the battery cell that user inputs battery
The hot simulation model of monomer；
First generation module, for according to the battery cell number currently obtained and the battery list currently obtained
Body heat simulation model generates the corresponding relationship of battery cell number and the hot simulation model of battery cell.
Wherein, the display module includes:
Submodule is generated, for emulating according to the threedimensional model and current revised battery cell heat of the power battery
Model generates the Current Temperatures field cloud atlas of the power battery；
Display sub-module, for showing the Current Temperatures field cloud atlas of the power battery.
Wherein, described device further include:
Second generation module, for being inputted according to user each battery cell number and with the battery cell number pair
The coordinate answered generates the threedimensional model of the power battery.
Wherein, described device further include:
Preserving module, for saving the Current Temperatures field cloud atlas of the power battery.
The embodiment of the present invention also provides a kind of display system of temperature of powered cell field, including power battery as described above
The display device in temperature field.
The embodiment of the present invention also provides a kind of display system of temperature of powered cell field, comprising: processor, memory and deposits
The computer program that can be run on the memory and on the processor is stored up, the computer program is by the processor
The step of display methods of temperature of powered cell field as described above is realized when execution.
The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium
There is computer program, the computer program realizes the display side of temperature of powered cell field as described above when being executed by processor
The step of method.
Above-mentioned technical proposal of the invention at least has the following beneficial effects:
The embodiment of the present invention passes through the hot simulation model result of each battery cell of power battery and test verification result is real
When couple, realize and the hot simulation model of battery cell be modified and fairing processing using test verification result, and will repair in real time
It is just shown in the threedimensional model of power battery with the hot simulation model of battery cell after fairing processing, realizes intuitive display
The distribution of temperature of powered cell field under different operating conditions eliminates many and diverse Data Analysis Services process, shortens power battery
It in the thermal design period, improves work efficiency；A large amount of manpower and material resources are saved, and targetedly direct the heat of power battery
The direction of design, verifying and optimization greatly improves the efficiency and effect of power battery thermal design optimization, ensures the heat of battery system
Design safety.
Detailed description of the invention
Fig. 1 is the basic step schematic diagram of the display methods of the temperature of powered cell field of the embodiment of the present invention；
Fig. 2 is the basic composition schematic diagram of the display device of the temperature of powered cell field of the embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The embodiment of the present invention in the prior art by power battery progress modeling and simulating, then being tested first
Verifying, then test data is handled, to instruct the process of power battery heat management design very long and a large amount of manpower of consumption
The problem of material resources, provides display methods, the apparatus and system of a kind of temperature of powered cell field；It realizes and utilizes test data in real time
Amendment to the hot simulation model of battery cell, and each battery cell is shown in the threedimensional model of power battery in the form of cloud atlas
Hot simulation model shortens the power battery thermal design period, improves work efficiency.
As shown in Figure 1, one embodiment of the invention provides a kind of display methods of temperature of powered cell field, comprising:
Step S11 obtains the temperature of multiple test points on each battery cell of power battery in real time.
In the embodiment of the present invention, the power battery is in series by multiple battery cells, in order to obtain the power electric
The distribution situation in the temperature field of pond during the work time needs to obtain the temperature on each battery cell surface of the power battery
Therefore degree in the present embodiment, is provided with temperature sensor, for acquiring the test point in real time on each battery cell
Temperature, each temperature sensor connect by harness with host computer, wherein the host computer is the power electric of execution the present embodiment
The main body of the display methods in pond temperature field.In order to make the temperature on the battery cell surface obtained meet the battery cell table
The actual temperature in face in the present embodiment, is provided with multiple test points on each battery cell.
Step S12, according to the temperature of multiple test points on the battery cell currently obtained and pre-stored mould
Type correction function corrects the hot simulation model of battery cell corresponding with each battery cell.
In the embodiment of the present invention, the hot simulation model of battery cell is designer according to the battery cell itself
Performance parameter calculates the cardinal temperature field of the battery cell using general-purpose computations flow dynamics analysis software.In order to determine
State hot simulation model of the battery cell under different operating conditions, it is also necessary to substrate be made with the thermo parameters method that these are different, by multiplying
Upper different coefficient is overlapped, so that the temperature field function met under any operating condition is obtained, it is raw according to the temperature field function
At temperature field of the battery cell under different operating conditions.Wherein, these coefficients can be calculated by optimal way, in program
In, generally solved using the calculation method of convex optimization.
In the present embodiment, the Modifying model function is the Modifying model determined using interpolation Computing Principle under hyperspace
Function, it may be assumed that according to the temperature of multiple test points of the battery cell of acquisition, correct the hot simulation model table of the battery cell
The temperature of each position in face.Wherein, difference Computing Principle under hyperspace are as follows: firstly, construction convex surface, under hyperspace,
With different operating conditions, temperature at different test points is as variable dimension, temperature field under each operating condition dimension in response, with
The variation of each variable, each variable and its corresponding line can form a convex surface in hyperspace, on convex surface any one
The response of point is required solution；Secondly, discrete convex surface, since this is the convex surface of a hyperspace, and the convex surface
Shape it is unknown, we firstly the need of to this convex surface carry out it is discrete, with increasing for discrete point, the solution finally acquired will nothing
Limit approaching to reality solution；Finally, interpolation calculation after discrete to a two-dimensional surface progress, will generate a large amount of under three-dimensional space
Triangular facet, it is desirable that any one point taken will be fallen in some triangular facet, in this triangular facet, construction one
A interpolating function, so that it may find out the response on any one point.
Step S13 is generated according to revised multiple hot simulation models of battery cell and is shown the power battery
Current Temperatures field cloud atlas.
The embodiment of the present invention imitates battery cell heat revised in test process by using the mode of temperature field cloud atlas
True mode real-time display comes out, and realizes the battery temperature field distribution intuitively shown under different operating conditions, avoids to experiment number
It according to being handled, realizes and the heat management of power battery is rapidly instructed to design, shorten the electrokinetic cell system thermal design period,
It improves work efficiency.
Further, the temperature of the multiple test points on each battery cell that step 11 obtains power battery in real time
Before step, the method also includes:
Obtain user's battery cell number currently entered and the hot simulation model information of battery cell；According to what is currently obtained
The hot simulation model information of battery cell obtains defeated with user in pre-stored multiple hot simulation models of battery cell
The corresponding hot simulation model of battery cell of the hot simulation model information of the battery cell entered；According to the battery list currently obtained
The hot simulation model of the battery cell that body is numbered and currently obtained generates battery cell number and the hot simulation model of battery cell
Corresponding relationship.
In the embodiment of the present invention, due to being previously stored with the hot simulation model of multiple battery cells, and multiple institutes in host computer
State the hot simulation model of battery cell can according to the different designs structure of the battery cell, design parameter and test point position
Set the hot simulation model of battery cell of calculating.Therefore, user needs the design structure, parameter and setting according to each battery cell
Test point position and number of checkpoints, select corresponding with the battery cell hot simulation model of battery cell.Wherein, institute
The design structure and parameter for stating battery cell can be determined according to information such as the production firm of the battery cell and production batch.
In addition, generating battery cell number in the present embodiment with to the corresponding relationship of the hot simulation model of battery cell, realize
During the test, it is directly numbered to the battery cell according to the test point of a certain battery cell number currently acquired
The corresponding hot simulation model of battery cell is modified and fairing, improves testing efficiency.
Specifically, step 13 is generated and is shown described dynamic according to revised multiple hot simulation models of battery cell
The Current Temperatures field cloud atlas of power battery, comprising:
According to the threedimensional model of the power battery and the current revised hot simulation model of battery cell, generate described dynamic
The Current Temperatures field cloud atlas of power battery；Show the Current Temperatures field cloud atlas of the power battery.
In the embodiment of the present invention, show that each battery cell is currently corrected in the threedimensional model of the power battery
The hot simulation model of battery cell afterwards, so that the temperature field of the power battery is more intuitive, it is real-time quick convenient for tester
Check the current temperature field of the power battery.
Wherein, Current Temperatures field cloud atlas can be the current amendment shown in the threedimensional model of the power battery
The basal temperature field for stating battery cell afterwards；It can also be the operating condition that the user shown in the threedimensional model of power battery selectes
Under the battery cell temperature field.
Further, it generates and shows according to revised multiple hot simulation models of battery cell in step 13
Before the Current Temperatures field cloud atlas of the power battery, the method also includes:
According to each battery cell number of user's input and coordinate corresponding with battery cell number, described in generation
The threedimensional model of power battery.
Wherein, it is actual size of the tester according to the power battery that corresponding coordinate is numbered with the battery cell
The coordinate measured；In order to generate the threedimensional model of the power battery, tester need to input the number of battery cell first,
Then the size of the battery cell according to corresponding to the number of battery cell currently entered is inputted again, the battery list determined
Position coordinates of the body in the power battery.
Further, in order to which after test completion, tester can understand power electric described in entire test process
The situation of change in the temperature field in pond, in step 13 according to the simulation model temperature of current revised multiple battery cells
, after the step of showing the Current Temperatures field cloud atlas of the power battery, the method also includes: save the power battery
Current Temperatures field cloud atlas.
The embodiment of the present invention during the test by simulation result with experiment test structure couple in real time, realize quickly,
Intuitively by battery temperature field, real-time display can not only saved on the threedimensional model of the power battery in different colors
Many and diverse Data Analysis Services process saves a large amount of manpower and material resources, and can targetedly instruct the power battery
The direction of thermal design, verifying and optimization substantially increases the efficiency and effect of the thermal design optimization of the power battery.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program (instruction),
The program (instruction) performs the steps of when being executed by processor
The temperature of multiple test points on each battery cell of power battery is obtained in real time；According to currently obtaining
The temperature of multiple test points on battery cell and pre-stored Modifying model function are corrected corresponding with each battery cell
The hot simulation model of battery cell；According to revised multiple hot simulation models of battery cell, generates and show described dynamic
The Current Temperatures field cloud atlas of power battery.
Optionally, following steps be can also be achieved when which is executed by processor:
Obtain user's battery cell number currently entered and the hot simulation model information of battery cell；According to what is currently obtained
The hot simulation model information of battery cell obtains defeated with user in pre-stored multiple hot simulation models of battery cell
The corresponding hot simulation model of battery cell of the hot simulation model information of the battery cell entered；According to the battery list currently obtained
The hot simulation model of the battery cell that body is numbered and currently obtained generates battery cell number and the hot simulation model of battery cell
Corresponding relationship.
Optionally, following steps be can also be achieved when which is executed by processor:
According to the threedimensional model of the power battery and the current revised hot simulation model of battery cell, generate described dynamic
The Current Temperatures field cloud atlas of power battery；Show the Current Temperatures field cloud atlas of the power battery.
Optionally, following steps be can also be achieved when which is executed by processor:
According to each battery cell number of user's input and coordinate corresponding with battery cell number, described in generation
The threedimensional model of power battery.
Optionally, following steps be can also be achieved when which is executed by processor:
Save the Current Temperatures field cloud atlas of the power battery.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
As shown in Fig. 2, the embodiments of the present invention also provide a kind of display devices of temperature of powered cell field, comprising:
First obtains module 21, the temperature of multiple test points on each battery cell for obtaining power battery in real time
Degree；
Correction module 22, for depositing according to the temperature of multiple test points on the battery cell that currently obtains and in advance
The Modifying model function of storage corrects the hot simulation model of battery cell corresponding with each battery cell；
Display module 23, it is described for according to revised multiple hot simulation models of battery cell, generating and showing
The Current Temperatures field cloud atlas of power battery.
The display device of the temperature of powered cell field of the embodiment of the present invention, further includes:
Second obtains module, for obtaining user's battery cell number currently entered and the hot simulation model letter of battery cell
Breath；
Third obtains module, for being stored in advance according to the hot simulation model information of the battery cell currently obtained
The hot simulation model of multiple battery cells in, obtain corresponding with the hot simulation model information of the battery cell that user inputs battery
The hot simulation model of monomer；
First generation module, for according to the battery cell number currently obtained and the battery list currently obtained
Body heat simulation model generates the corresponding relationship of battery cell number and the hot simulation model of battery cell.
The display device of the temperature of powered cell field of the embodiment of the present invention, the display module include:
Submodule is generated, for emulating according to the threedimensional model and current revised battery cell heat of the power battery
Model generates the Current Temperatures field cloud atlas of the power battery.
Display sub-module, for showing the Current Temperatures field cloud atlas of the power battery.
The display device of the temperature of powered cell field of the embodiment of the present invention, further includes:
Second generation module, for being inputted according to user each battery cell number and with the battery cell number pair
The coordinate answered generates the threedimensional model of the power battery.
The display device of the temperature of powered cell field of the embodiment of the present invention, further includes:
Preserving module, for saving the Current Temperatures field cloud atlas of the power battery.
The display device of the temperature of powered cell field of the embodiment of the present invention, according to each battery cell mountain to power battery
The temperature of multiple test points, is modified the hot simulation model of corresponding battery cell and fairing, realizes test data and electricity
Depending on the real-time coupling of the hot simulation model of monomer, according to the threedimensional model of the power battery and revised multiple battery cell heat
Simulation model realizes the Current Temperatures field for generating and intuitively showing the power battery in real time, and according to the temperature of power battery
Field distribution instructs the heat management of the power battery to design, and avoids and is handled in the prior art a large amount of test data
Process shortens the thermal design period of power battery, improves work efficiency.
The embodiment of the present invention also provides a kind of display system of temperature of powered cell field, including power battery as described above
The display device in temperature field.
The embodiment of the present invention also provides a kind of display system of temperature of powered cell field, comprising: processor, memory and deposits
The computer program that can be run on the memory and on the processor is stored up, the computer program is by the processor
Each process of the display methods embodiment such as above-mentioned temperature of powered cell field is realized when execution, and can reach identical technology effect
Fruit, to avoid repeating, which is not described herein again.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of display methods of temperature of powered cell field characterized by comprising
The temperature of multiple test points on each battery cell of power battery is obtained in real time；
According to the temperature of multiple test points on the battery cell currently obtained and pre-stored Modifying model function, repair
The hot simulation model of battery cell just corresponding with each battery cell；
According to revised multiple hot simulation models of battery cell, the Current Temperatures field of the power battery is generated and shown
Cloud atlas.
2. the display methods of temperature of powered cell field according to claim 1, which is characterized in that obtain power battery in real time
Each battery cell on multiple test points temperature the step of before, the method also includes:
Obtain user's battery cell number currently entered and the hot simulation model information of battery cell；
According to the hot simulation model information of the battery cell currently obtained, mould is emulated in pre-stored multiple battery cell heat
In type, the hot simulation model of battery cell corresponding with the hot simulation model information of the battery cell that user inputs is obtained；
According to the battery cell number currently obtained and the hot simulation model of the battery cell currently obtained, battery is generated
The corresponding relationship of monomer number and the hot simulation model of battery cell.
3. the display methods of temperature of powered cell field according to claim 1, which is characterized in that according to revised multiple
The hot simulation model of battery cell generates and includes: the step of showing the Current Temperatures field cloud atlas of the power battery
According to the threedimensional model of the power battery and the current revised hot simulation model of battery cell, the power electric is generated
The Current Temperatures field cloud atlas in pond；
Show the Current Temperatures field cloud atlas of the power battery.
4. the display methods of temperature of powered cell field according to claim 3, which is characterized in that according to the power battery
Threedimensional model and the current revised hot simulation model of battery cell, generate the Current Temperatures field cloud atlas of the power battery
Before step, the method also includes:
According to each battery cell number of user's input and coordinate corresponding with battery cell number, the power is generated
The threedimensional model of battery.
5. the display methods of temperature of powered cell field according to claim 1, which is characterized in that according to current revised
The simulation model temperature field of multiple battery cells, after the step of showing the Current Temperatures field cloud atlas of the power battery,
The method also includes:
Save the Current Temperatures field cloud atlas of the power battery.
6. a kind of display device of temperature of powered cell field characterized by comprising
First obtains module, the temperature of multiple test points on each battery cell for obtaining power battery in real time；
Correction module, the temperature of the multiple test points on the battery cell currently obtained for basis and pre-stored mould
Type correction function corrects the hot simulation model of battery cell corresponding with each battery cell；
Display module, for generating and showing the power electric according to revised multiple hot simulation models of battery cell
The Current Temperatures field cloud atlas in pond.
7. the display device of temperature of powered cell field according to claim 6, which is characterized in that further include:
Second obtains module, for obtaining user's battery cell number currently entered and the hot simulation model information of battery cell；
Third obtains module, for the hot simulation model information of the battery cell that basis currently obtains, pre-stored more
In a hot simulation model of battery cell, battery cell corresponding with the hot simulation model information of the battery cell that user inputs is obtained
Hot simulation model；
First generation module, for according to the battery cell number currently obtained and the battery cell heat currently obtained
Simulation model generates the corresponding relationship of battery cell number and the hot simulation model of battery cell.
8. the display device of temperature of powered cell field according to claim 6, which is characterized in that the display module packet
It includes:
Submodule is generated, for emulating mould according to the threedimensional model and current revised battery cell heat of the power battery
Type generates the Current Temperatures field cloud atlas of the power battery；
Display sub-module, for showing the Current Temperatures field cloud atlas of the power battery.
9. the display device of temperature of powered cell field according to claim 8, which is characterized in that described device further include:
Second generation module, for being inputted according to user each battery cell number and it is corresponding with battery cell number
Coordinate generates the threedimensional model of the power battery.
10. the display device of temperature of powered cell field according to claim 6, which is characterized in that described device further include:
Preserving module, for saving the Current Temperatures field cloud atlas of the power battery.
11. a kind of display system of temperature of powered cell field, which is characterized in that described in any item including such as claim 6-10
The display device of temperature of powered cell field.
12. a kind of display system of temperature of powered cell field characterized by comprising processor, memory and be stored in described
It is real when the computer program is executed by the processor on memory and the computer program that can run on the processor
Now the step of display methods of the temperature of powered cell field as described in any one of claims 1 to 5.
13. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the temperature of powered cell as described in any one of claims 1 to 5 when the computer program is executed by processor
The step of display methods of field.
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| CN201810843151.1A CN109145394A (en) | 2018-07-27 | 2018-07-27 | Display method, device and system for temperature field of power battery |
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| CN201810843151.1A CN109145394A (en) | 2018-07-27 | 2018-07-27 | Display method, device and system for temperature field of power battery |
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| CN116256181A (en) * | 2023-03-07 | 2023-06-13 | 苏州跃动汽车技术服务有限公司 | Test method and device for thermal management system of hybrid electric vehicle |
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| CN111751756A (en) * | 2020-07-31 | 2020-10-09 | 中国汽车工程研究院股份有限公司 | Method for identifying fault battery monomer by using accumulated power battery temperature curve |
| CN111934032A (en) * | 2020-07-31 | 2020-11-13 | 中国汽车工程研究院股份有限公司 | Graphical representation of temperature characteristic of power battery and temperature abnormal single body identification method |
| CN111934032B (en) * | 2020-07-31 | 2021-05-28 | 中国汽车工程研究院股份有限公司 | Graphical representation of temperature characteristic of power battery and temperature abnormal single body identification method |
| CN115447389A (en) * | 2022-09-02 | 2022-12-09 | 中国第一汽车股份有限公司 | Battery safety monitoring system, battery assembly and electric vehicle |
| CN116256181A (en) * | 2023-03-07 | 2023-06-13 | 苏州跃动汽车技术服务有限公司 | Test method and device for thermal management system of hybrid electric vehicle |
| CN116256181B (en) * | 2023-03-07 | 2023-11-07 | 苏州跃动汽车技术服务有限公司 | Test method and device for thermal management system of hybrid electric vehicle |
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