CN110118617A - The internal temperature of battery modules determines method, apparatus and intelligent terminal - Google Patents
The internal temperature of battery modules determines method, apparatus and intelligent terminal Download PDFInfo
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- CN110118617A CN110118617A CN201910465891.0A CN201910465891A CN110118617A CN 110118617 A CN110118617 A CN 110118617A CN 201910465891 A CN201910465891 A CN 201910465891A CN 110118617 A CN110118617 A CN 110118617A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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Abstract
The present invention provides a kind of internal temperatures of battery modules to determine method, apparatus and intelligent terminal, is related to temperature acquisition technical field, this method comprises: obtaining temperature data of the battery modules under different charge-discharge magnifications；The ther mal network model of battery temperature rise is constructed according to temperature data；The parameter of ther mal network model is calculated using Identification of parameter；The internal temperature of battery modules is calculated according to parameter.The present invention can effectively improve the accuracy of the internal temperature of determining battery modules.
Description
Technical field
The present invention relates to temperature acquisition technical field, more particularly, to a kind of battery modules internal temperature determine method,
Device and intelligent terminal.
Background technique
In battery use process, battery temperature will have a direct impact on the performance of battery, therefore outstanding to the determination of battery temperature
It is important.For battery modules, it is thus necessary to determine that the temperature inside battery modules accurate could reflect entire battery modules
Temperature.Currently, generalling use temperature sensor, but the collected temperature of temperature sensor institute to battery modules temperature acquisition in the market
Degree is the surface temperature of battery modules, rather than the internal temperature of battery modules.Existing determining battery modules internal temperature
Method, will receive the influence of battery modules and heat management system, the accuracy of temperature computation result in practical implementation
It is to be improved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of internal temperatures of battery modules to determine method, apparatus and intelligence
Energy terminal, can effectively improve the accuracy of the internal temperature of determining battery modules.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, the embodiment of the invention provides a kind of internal temperatures of battery modules to determine method, this method comprises:
Obtain temperature data of the battery modules under different charge-discharge magnifications；The ther mal network mould of battery temperature rise is constructed according to temperature data
Type；The parameter of ther mal network model is calculated using Identification of parameter；Wherein, parameter includes the thermal resistance and heat of battery modules
Hold；The internal temperature of battery modules is calculated according to parameter.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein obtains
The step of taking temperature data of the battery modules under different charge-discharge magnifications, comprising: under different charge-discharge magnifications, with the first temperature
Degree sensor and second temperature sensor acquire the surface temperature of battery modules and the internal temperature of battery modules respectively, obtain electricity
The surface temperature data of Chi Mo group and the internal temperature data of battery modules；Wherein, the first temperature sensor is arranged in battery mould
Group surface, second temperature sensor are arranged inside battery modules.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein root
The step of calculating the internal temperature of battery modules according to parameter, comprising: battery modules are calculated according to the thermal resistance of battery modules and thermal capacitance
Heating power and battery modules thermal impedance；According to heating power and thermal impedance, the internal temperature of battery modules is calculated.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein battery modules include multiple thermal resistances and multiple thermal capacitances；According to the thermal resistance of battery modules and thermal capacitance meter
Calculate battery modules thermal impedance the step of include:
The thermal impedance Zth of battery modules is calculated according to following formula:
Wherein, ZthkIndicate the thermal impedance of k-th of thermal resistance, RkFor k-th of thermal resistance of battery modules, CkFor battery modules
K-th of thermal capacitance, t are the fever duration of battery modules.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein the step of calculating the internal temperature of battery modules, comprising: calculate battery mould according to following formula
The internal temperature Ti of group:
Ti=P × Zth+Tc
Wherein, P is the heating power of battery modules, P=I2× Rs, I are the electric current of battery modules, and Rs is battery modules
Internal resistance, Tc indicate the surface temperature of battery modules.
Second aspect, the embodiment of the present invention also provide a kind of internal temperature determining device of battery modules, comprising: obtain mould
Block, for obtaining temperature data of the battery modules under different charge-discharge magnifications；Module is constructed, for constructing according to temperature data
The ther mal network model of battery temperature rise；Parameter calculating module, for the ginseng of ther mal network model to be calculated using Identification of parameter
Number；Wherein, parameter includes the thermal resistance and thermal capacitance of battery modules；Temperature computation module, for calculating battery modules according to parameter
Internal temperature.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein obtains
Modulus block is used for: under different charge-discharge magnifications, acquiring battery mould respectively with the first temperature sensor and second temperature sensor
The surface temperature of group and the internal temperature of battery modules, obtain the surface temperature data of battery modules and the inside temperature of battery modules
Degree evidence；Wherein, the setting of the first temperature sensor is arranged in battery modules on battery modules surface, second temperature sensor
Portion.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein temperature
Degree computing module is used for: calculating the heating power of battery modules and the thermal resistance of battery modules according to the thermal resistance of battery modules and thermal capacitance
It is anti-；According to heating power and thermal impedance, the internal temperature of battery modules is calculated.
The third aspect, the embodiment of the invention provides a kind of intelligent terminals, including processor and memory；It is deposited on memory
Computer program is contained, computer program executes the 4th kind of possibility such as first aspect to first aspect when being run by processor
Any one of embodiment method.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage medium, computer readable storage mediums
On be stored with computer program, above-mentioned first aspect is executed when computer program is run by processor to the 4th kind of first aspect
The step of method of any one of possible embodiment.
The embodiment of the invention provides a kind of internal temperatures of battery modules to determine method, apparatus and intelligent terminal, passes through
Temperature data of the battery modules under different charge-discharge magnifications is obtained, and constructs the ther mal network mould of battery temperature rise according to temperature data
Type so that the parameter of ther mal network model is calculated using Identification of parameter, and then is calculated in battery modules according to parameter
Portion's temperature.Since the present invention is the internal temperature for calculating battery modules by establishing the ther mal network model of battery temperature rise, by battery
Mould group itself and the influence of heat management system are small, therefore can effectively improve the accuracy of the internal temperature of determining battery modules.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the flow chart that a kind of internal temperature of battery modules provided by the embodiment of the present invention determines method；
Fig. 2 shows a kind of schematic diagrames of battery modules provided by the embodiment of the present invention；
Fig. 3 shows a kind of schematic diagram of the ther mal network model of battery temperature rise provided by the embodiment of the present invention；
The internal temperature that Fig. 4 shows another kind battery modules provided by the embodiment of the present invention determines the process of method
Figure；
Fig. 5 shows a kind of structural frames of the internal temperature determining device of battery modules provided by the embodiment of the present invention
Figure；
Fig. 6 shows a kind of structural schematic diagram of intelligent terminal provided by the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
The method of current existing determining battery modules internal temperature, will receive in practical implementation battery modules and
The accuracy of the influence of heat management system, temperature computation result is to be improved, is based on this, a kind of electricity provided in an embodiment of the present invention
The internal temperature of Chi Mo group determines method, apparatus and intelligent terminal, can effectively improve the internal temperature of determining battery modules
Accuracy.
For the inside convenient for understanding the present embodiment, first to a kind of battery modules disclosed in the embodiment of the present invention
Temperature determining method describes in detail.
A kind of internal temperature of battery modules shown in Figure 1 determines the flow chart of method, and this method is by such as calculating
The intelligent terminals such as machine execute, method includes the following steps:
Step S102 obtains temperature data of the battery modules under different charge-discharge magnifications.
Temperature data includes that the collected temperature of temperature sensor on battery modules surface is arranged in and is arranged in battery mould
The internal collected temperature of temperature sensor of group, the schematic diagram of battery modules as shown in Figure 2, the battery modules original in Fig. 2
Some temperature sensors, that is, above-mentioned the temperature sensor that battery modules surface is set, for acquiring the temperature on battery modules surface
It spends, the i.e. above-mentioned temperature sensor being arranged in inside battery modules of the temperature sensor being encapsulated in inside battery modules in Fig. 2,
It is not no temperature sensor originally for acquiring the internal temperature of battery modules, inside battery modules, is experimenter in reality
Middle setting is tested, temperature sensor is arranged inside battery modules, acquires the internal temperature of battery modules in an experiment.Battery mould
Temperature of the group under different charge-discharge magnifications is different, by temperature of the temperature sensor acquisition battery modules under different charge-discharge magnifications
Degree evidence.
Step S104 constructs the ther mal network model of battery temperature rise according to temperature data.
The ther mal network model of battery temperature rise is as shown in figure 3, have resistance and capacitor according to the foundation of the temperature data of battery modules
Ther mal network model, there are three resistance R1, R2 and R3, three capacitors C1, C2 and C3 for the ther mal network model in Fig. 3.
The parameter of ther mal network model is calculated using Identification of parameter by step S106；Wherein, parameter includes battery mould
The thermal resistance and thermal capacitance of group.
Identification of parameter is a kind of common method of determining model parameter, such as the ther mal network model in Fig. 3, three heat
Resistance parameter and three thermal capacitance parameters can be obtained according to temperature data by Identification of parameter.
Step S108 calculates the internal temperature of battery modules according to temperature data and parameter.
According to the parameter for the ther mal network model that Identification of parameter obtains, the thermal impedance of ther mal network model can be calculated, and
Electric current and the internal resistance of battery modules are obtained to obtain the heating power of battery modules, according to thermal impedance and heating power and electricity
The internal temperature of battery modules is calculated in the temperature data of Chi Mo group.
The internal temperature of above-mentioned battery modules provided in an embodiment of the present invention determines method, by obtaining battery modules not
With the temperature data under charge-discharge magnification, and according to the ther mal network model of temperature data building battery temperature rise, thus using parameter
The parameter of ther mal network model is calculated in identification algorithm, and then the internal temperature of battery modules is calculated according to parameter.Due to this hair
Bright is the internal temperature that battery modules are calculated by establishing the ther mal network model of battery temperature rise, by battery modules itself and heat management
The influence of system is small, therefore can effectively improve the accuracy of the internal temperature of determining battery modules.
For ease of understanding, the internal temperature determination side based on another battery modules provided in this embodiment is given below
The internal temperature of method, a kind of battery modules shown in Figure 4 determines the flow chart of method, method includes the following steps:
Step S402 is acquired under different charge-discharge magnifications with the first temperature sensor and second temperature sensor respectively
The surface temperature of battery modules and the internal temperature of battery modules obtain the surface temperature data and battery modules of battery modules
Internal temperature data；Wherein, the setting of the first temperature sensor is arranged on battery modules surface, second temperature sensor in battery mould
Group is internal.
First temperature sensor, that is, above-mentioned the temperature sensor that battery modules surface is set, second temperature sensor be on
State the temperature sensor being arranged in inside battery modules.
Step S404 constructs the ther mal network model of battery temperature rise according to temperature data.
The parameter of ther mal network model is calculated using Identification of parameter by step S406；Wherein, parameter includes battery mould
The thermal resistance and thermal capacitance of group.
Parameter in ther mal network model includes thermal resistance and thermal capacitance, these parameters can be distinguished according to temperature data using parameter
Know algorithm to be calculated.
Step S408 calculates the heating power of battery modules and the heat of battery modules according to the thermal resistance of battery modules and thermal capacitance
Impedance.
Battery modules include multiple thermal resistances and multiple thermal capacitances, and the thermal impedance Zth of battery modules is calculated according to following formula:
Wherein, ZthkIndicate the thermal impedance of k-th of thermal resistance, RkFor k-th of thermal resistance of battery modules, CkFor battery modules
K-th of thermal capacitance, t are the fever duration of battery modules.
Step S410 calculates the internal temperature of battery modules according to heating power and thermal impedance.
The internal temperature Ti of battery modules is calculated according to following formula:
Ti=P × Zth+Tc
Wherein, P is the heating power of battery modules, P=I2× Rs, I are the electric current of battery modules, and Rs is battery modules
Internal resistance, Tc indicate the surface temperature of battery modules.
By the above-mentioned internal temperature that battery modules have been calculated, if obtained temperature and temperature sensor are collected
Internal temperature gap is larger, then re-starts parameter identification and calculate again, i.e., the temperature being loaded into again under other charge-discharge magnifications
Data carry out the internal temperature that parameter identification calculates battery modules.
In conclusion the internal temperature of above-mentioned battery modules provided in an embodiment of the present invention determines method, due to the present invention
It is the internal temperature that battery modules are calculated by establishing the ther mal network model of battery temperature rise, by battery modules itself and heat management system
The influence of system is small, therefore can effectively improve the accuracy of the internal temperature of determining battery modules.
Internal temperature corresponding to aforementioned battery modules determines method, and the embodiment of the invention provides a kind of battery modules
Internal temperature determining device, referring to a kind of structural block diagram of the internal temperature determining device of battery modules shown in Fig. 5, the device
It comprises the following modules:
Module 502 is obtained, for obtaining temperature data of the battery modules under different charge-discharge magnifications；
Module 504 is constructed, for constructing the ther mal network model of battery temperature rise according to temperature data；
Parameter calculating module 506, for the parameter of ther mal network model to be calculated using Identification of parameter；Wherein, join
Number includes the thermal resistance and thermal capacitance of battery modules；
Temperature computation module 508, for calculating the internal temperature of battery modules according to parameter.
The internal temperature determining device of above-mentioned battery modules provided in an embodiment of the present invention, since the present invention is to pass through foundation
The ther mal network model of battery temperature rise calculates the internal temperature of battery modules, is influenced by battery modules itself and heat management system
It is small, therefore the accuracy of the internal temperature of determining battery modules can be effectively improved.
Above-mentioned acquisition module 502 is further used for: under different charge-discharge magnifications, with the first temperature sensor and the second temperature
Degree sensor acquires the surface temperature of battery modules and the internal temperature of battery modules respectively, obtains the surface temperature of battery modules
The internal temperature data of data and battery modules；Wherein, the setting of the first temperature sensor passes on battery modules surface, second temperature
Sensor is arranged inside battery modules.
Above-mentioned temperature computation module 508 is further used for: calculating battery modules according to the thermal resistance of battery modules and thermal capacitance
The thermal impedance of heating power and battery modules；According to heating power and thermal impedance, the internal temperature of battery modules is calculated.
The technical effect of device provided by the present embodiment, realization principle and generation is identical with previous embodiment, for letter
It describes, Installation practice part does not refer to place, can refer to corresponding contents in preceding method embodiment.
The embodiment of the invention provides a kind of intelligent terminal, a kind of structural schematic diagram of intelligent terminal shown in Figure 6,
The intelligent terminal includes: processor 60, memory 61, bus 62 and communication interface 63, the processor 60,63 and of communication interface
Memory 61 is connected by bus 62；Processor 60 is for executing the executable module stored in memory 61, such as computer
Program.
Wherein, memory 61 may include high-speed random access memory (RAM, Random Access Memory),
It may further include non-labile memory (non-volatile memory), for example, at least a magnetic disk storage.By extremely
A few communication interface 63 (can be wired or wireless) is realized logical between the system network element and at least one other network element
Letter connection, can be used internet, wide area network, local network, Metropolitan Area Network (MAN) etc..
Bus 62 can be isa bus, pci bus or eisa bus etc..The bus can be divided into address bus, data
Bus, control bus etc..Only to be indicated with a four-headed arrow convenient for indicating, in Fig. 6, it is not intended that an only bus or
A type of bus.
Wherein, memory 61 is for storing program, and the processor 60 executes the journey after receiving and executing instruction
Sequence, method performed by the device that the stream process that aforementioned any embodiment of the embodiment of the present invention discloses defines can be applied to handle
In device 60, or realized by processor 60.
Processor 60 may be a kind of IC chip, the processing capacity with signal.During realization, above-mentioned side
Each step of method can be completed by the integrated logic circuit of the hardware in processor 60 or the instruction of software form.Above-mentioned
Processor 60 can be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network
Processor (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (Digital Signal
Processing, abbreviation DSP), specific integrated circuit (Application Specific Integrated Circuit, referred to as
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or other are programmable
Logical device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute in the embodiment of the present invention
Disclosed each method, step and logic diagram.General processor can be microprocessor or the processor is also possible to appoint
What conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processing
Device executes completion, or in decoding processor hardware and software module combination execute completion.Software module can be located at
Machine memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable memory, register etc. are originally
In the storage medium of field maturation.The storage medium is located at memory 61, and processor 60 reads the information in memory 61, in conjunction with
Its hardware completes the step of above method.
The embodiment of the invention also provides a kind of computer readable storage medium, it is stored on computer readable storage medium
Computer program, when computer program is run by processor the step of the method for any one of execution previous embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process, can be with reference to the corresponding process in previous embodiment, and details are not described herein.
The internal temperature of battery modules provided by the embodiment of the present invention determines the computer of method, apparatus and intelligent terminal
Program product, the computer readable storage medium including storing program code, the instruction that said program code includes can be used for
Previous methods method as described in the examples is executed, specific implementation can be found in embodiment of the method, and details are not described herein.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of internal temperature of battery modules determines method characterized by comprising
Obtain temperature data of the battery modules under different charge-discharge magnifications；
According to the temperature data, the ther mal network model of battery temperature rise is constructed；
The parameter of the ther mal network model is calculated using Identification of parameter；Wherein, the parameter includes the battery mould
The thermal resistance and thermal capacitance of group；
The internal temperature of the battery modules is calculated according to the parameter.
2. the method according to claim 1, wherein the acquisition battery modules are under different charge-discharge magnifications
The step of temperature data, comprising:
Under different charge-discharge magnifications, the battery modules are acquired respectively with the first temperature sensor and second temperature sensor
The internal temperature of surface temperature and the battery modules, obtain the battery modules surface temperature data and the battery modules
Internal temperature data；Wherein, the first temperature sensor setting is in the battery modules surface, the second temperature sensing
Device is arranged inside the battery modules.
3. the method according to claim 1, wherein calculating the inside temperature of the battery modules according to the parameter
The step of spending, comprising:
The heating power of the battery modules and the heat of the battery modules are calculated according to the thermal resistance of the battery modules and thermal capacitance
Impedance；
According to the temperature data, heating power and the thermal impedance, the internal temperature of the battery modules is calculated.
4. according to the method described in claim 3, it is characterized in that, the battery modules include multiple thermal resistances and multiple thermal capacitances；
Described the step of calculating the thermal impedance of the battery modules according to the thermal resistance and thermal capacitance of the battery modules includes:
The thermal impedance Zth of the battery modules is calculated according to following formula:
Wherein, ZthkIndicate the thermal impedance of k-th of thermal resistance, RkFor k-th of thermal resistance of the battery modules, CkFor the battery mould
K-th of thermal capacitance of group, t are the fever duration of the battery modules.
5. according to the method described in claim 3, it is characterized in that, the step of the internal temperature for calculating the battery modules
Suddenly, comprising:
The internal temperature Ti of the battery modules is calculated according to following formula:
Ti=P × Zth+Tc
Wherein, P is the heating power of the battery modules, P=I2× Rs, I are the electric current of the battery modules, and Rs is the electricity
The internal resistance of Chi Mo group, Tc indicate the surface temperature of the battery modules.
6. a kind of internal temperature determining device of battery modules, comprising:
Module is obtained, for obtaining temperature data of the battery modules under different charge-discharge magnifications；
Module is constructed, for constructing the ther mal network model of battery temperature rise according to the temperature data；
Parameter calculating module, for the parameter of the ther mal network model to be calculated using Identification of parameter；Wherein, the ginseng
Number includes the thermal resistance and thermal capacitance of the battery modules；
Temperature computation module, for calculating the internal temperature of the battery modules according to the parameter.
7. device according to claim 6, which is characterized in that the acquisition module is used for:
Under different charge-discharge magnifications, the battery modules are acquired respectively with the first temperature sensor and second temperature sensor
The internal temperature of surface temperature and the battery modules, obtain the battery modules surface temperature data and the battery modules
Internal temperature data；Wherein, the first temperature sensor setting is in the battery modules surface, the second temperature sensing
Device is arranged inside the battery modules.
8. device according to claim 6, which is characterized in that the temperature computation module is used for:
The heating power of the battery modules and the heat of the battery modules are calculated according to the thermal resistance of the battery modules and thermal capacitance
Impedance；
According to the heating power and the thermal impedance, the internal temperature of the battery modules is calculated.
9. a kind of intelligent terminal, which is characterized in that including processor and memory；
Computer program is stored on the memory, the computer program executes such as right when being run by the processor
It is required that 1 to 5 described in any item methods.
10. a kind of computer readable storage medium, computer program, feature are stored on the computer readable storage medium
The step of being, the described in any item methods of the claims 1 to 5 executed when the computer program is run by processor.
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Cited By (7)
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| CN110703115A (en) * | 2019-10-30 | 2020-01-17 | 同济大学 | Online estimation method for average temperature of storage battery of electric vehicle |
| CN111751733A (en) * | 2020-07-11 | 2020-10-09 | 郑州大学 | Calibration method and detection method for internal temperature of energy storage battery |
| CN112542621A (en) * | 2020-11-25 | 2021-03-23 | 东软睿驰汽车技术（沈阳）有限公司 | Battery temperature vector generation method and related equipment thereof |
| WO2021103873A1 (en) * | 2019-11-28 | 2021-06-03 | 比亚迪股份有限公司 | Battery interior temperature information processing method, computer device, and storage medium |
| CN112964992A (en) * | 2019-11-28 | 2021-06-15 | 比亚迪股份有限公司 | Method, device and medium for processing temperature information in battery based on AUKF |
| CN113139338A (en) * | 2021-04-15 | 2021-07-20 | 广州小鹏汽车科技有限公司 | Temperature prediction method, temperature prediction device and vehicle |
| CN115663311A (en) * | 2022-12-14 | 2023-01-31 | 深圳市华宝新能源股份有限公司 | Battery core temperature determination method and device, electronic equipment and storage medium |
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