CN107579300A - Method and device for acquiring internal temperature of cylindrical battery - Google Patents
Method and device for acquiring internal temperature of cylindrical battery Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a method and a device for acquiring the internal temperature of a cylindrical battery, wherein the method for acquiring the internal temperature of the cylindrical battery comprises the following steps: acquiring the current amplitude of the battery, the surface temperature of the battery corresponding to the current amplitude and the air temperature in the volume of the battery in the environment where the battery is located; obtaining a current resistance ratio R corresponding to the current amplitudein/Rout(ii) a According to the current resistance ratio R corresponding to the current amplitudein/RoutAnd obtaining the internal temperature of the battery corresponding to the current amplitude by the surface temperature of the battery corresponding to the current amplitude and the air temperature in the volume of the battery in the environment where the battery is located. The invention ensures that the controller of the battery management system and a driver obtain accurate internal temperature of the battery, thereby being capable of taking proper measures, avoiding the reduction of the use efficiency of the battery and the reduction of the service life of the battery due to high temperature of the battery, and even avoiding the risk of fire explosion of the battery.
Description
Technical field
The present invention relates to electric automobile field, the more particularly to a kind of acquisition methods and dress of cylindrical battery internal temperature
Put.
Background technology
Current electric automobile is because green, low energy consumption is by people's extensive use as trip walking-replacing tool.Electricity
The energy source of electrical automobile is battery, and internal temperature of battery is the weight for influenceing battery operating efficiency and battery
Want factor.Patent CN201410811083.2 is counted according to ambient temperature and battery surface temperature by the algorithm of Kalman Filtering
The internal temperature of battery is calculated, but the algorithm is higher to processor requirement, has certain accumulated error, it is electric in practice not meet engineering
The requirement of pond management system controller；Cylindrical battery can use the model of homogenization thermal source because thermal source is distributed unobvious
Emulated, the precision of model is high, calculates simply, the On-line Estimation possibility of controller of battery management system is bigger.Such as Fig. 1
It is shown, the internal temperature of three groups of difference current amplitudes is measured by installing thermocouple in inside battery, and obtain using the conservation of energy
To the ratio of the equivalent thermal resistance between the battery equivalent thermal resistance and battery and environment of this three groups of difference current amplitudes, above-mentioned ratio is utilized
The internal temperature of battery that value passes through the different current amplitudes at a temperature of conservation of energy calculating varying environment.Such a method has certain
Limitation, such as, for current value be ± 13.8A electric current, the equivalent heat between battery equivalent thermal resistance and battery and environment
The ratio acquirement of resistance is ± 15A ratio, and the degree of accuracy for result of calculation has a certain impact.
The content of the invention
Technical problems to be solved of the embodiment of the present invention be to provide a kind of cylindrical battery internal temperature acquisition methods and
Device, to realize the temperature of acquisition inside battery and improve the accuracy of acquisition, human pilot is reminded to take corresponding arrange in time
Apply, prevent that battery battery efficiency caused by temperature is too high from being reduced, service life is reduced, even bring battery catches fire blast
Vehicle safety problem.
In order to solve the above technical problems, the embodiments of the invention provide a kind of acquisition side of cylindrical battery internal temperature
Method, including：
Obtain battery surface temperature corresponding to the current flow amplitude and current flow amplitude of battery and battery place
Air themperature in volume in environment；
Obtain current resistance ratio R corresponding to current flow amplitudein/Rout；
The current resistance ratio R according to corresponding to current flow amplitudein/Rout, battery surface temperature corresponding to current flow amplitude
Degree and battery institute air themperature in volume in the environment, obtain internal temperature of battery corresponding to current flow amplitude.
Wherein, the step of current flow amplitude for obtaining battery, includes：
The current flow amplitude of battery is obtained by the detection table being connected with battery.
Wherein, battery surface temperature corresponding to current flow amplitude and battery institute Air Temperature in volume in the environment are obtained
The step of spending includes：
By battery surface temperature corresponding to the first thermocouple acquisition current flow amplitude, worked as by the second thermocouple
Battery institute air themperature in volume in the environment corresponding to preceding current amplitude.
Wherein, current resistance ratio R corresponding to current flow amplitude is obtainedin/RoutThe step of include：
According to the current flow amplitude of battery and the current amplitude prestored with resistance ratio mapping table, obtaining
Take the corresponding first resistor ratio of first current amplitude adjacent with current flow amplitude, and adjacent with current flow amplitude
Second resistance ratio corresponding to two current amplitudes；
According to first resistor ratio and second resistance ratio, current resistance ratio R corresponding to current flow amplitude is obtainedin/
Rout。
Wherein, according to first resistor ratio and second resistance ratio, current resistance ratio corresponding to current flow amplitude is obtained
Value Rin/RoutThe step of include：
According to formula：Obtain current amplitude
Corresponding resistance ratio Rin/Rout；
Wherein, RinFor battery equivalent thermal resistance；
For the equivalent thermal resistance between the battery and environment of current flow amplitude；
N is current flow amplitude；
N1 is the first current amplitude；
N2 is the second current amplitude；
For the equivalent thermal resistance between the battery and environment of the first current amplitude；
For the equivalent thermal resistance between the battery and environment of the second current amplitude, wherein, the first current amplitude is small
In current flow amplitude, current flow amplitude is less than the second current amplitude.
Wherein, the current resistance ratio R according to corresponding to current flow amplitudein/Rout, battery corresponding to current flow amplitude
Surface temperature and battery institute air themperature in volume in the environment, obtain internal temperature of battery corresponding to current flow amplitude
Step includes：
According to formula Tin=(1+Rin/Rout)Tsurf-TambRin/Rout, obtain internal temperature of battery corresponding to current amplitude；
TsurfFor battery surface temperature corresponding to current flow amplitude；
TambFor air themperature in volume corresponding to current flow amplitude；
RoutFor the equivalent thermal resistance corresponding to current flow amplitude between battery and environment；
RinFor battery equivalent thermal resistance；
TinFor internal temperature of battery corresponding to current flow amplitude.
A kind of device for obtaining cylindrical battery internal temperature, including：
First measurement module, for obtaining battery surface corresponding to the current flow amplitude and current flow amplitude of battery
Temperature and battery institute air themperature in volume in the environment；
First acquisition module, for obtaining current resistance ratio R corresponding to current flow amplitudein/Rout；
First computing module, for the current resistance ratio R according to corresponding to current flow amplitudein/Rout, current flow width
Battery surface temperature corresponding to value and battery institute air themperature in volume in the environment, obtain electricity corresponding to current flow amplitude
Pond internal temperature.
Wherein, the first measurement module includes：
First current module, the current flow amplitude of battery is obtained for the detection table by being connected with battery.
Wherein, the first measurement module also includes：
First thermal module, for obtaining battery surface temperature corresponding to current flow amplitude by the first thermocouple；
Second temperature module, for obtaining the body in the environment of battery institute corresponding to current flow amplitude by the second thermocouple
Air themperature in product.
Wherein, the first acquisition module includes：
Second acquisition module, for the current flow amplitude according to battery and the current amplitude and resistance ratio that prestore
Be worth in mapping table, obtain the corresponding first resistor ratio of adjacent with current flow amplitude the first current amplitude, and with ought
Second resistance ratio corresponding to the second adjacent current amplitude of preceding current amplitude；
Second computing module, for according to first resistor ratio and second resistance ratio, it is corresponding to obtain current flow amplitude
Current resistance ratio Rin/Rout。
Compared with prior art, the acquisition methods and device of cylindrical battery internal temperature provided in an embodiment of the present invention,
At least have the advantages that：
1st, the method for acquiring temperature and device of inside battery of the invention, reality has been obtained using controller of battery management system
When internal temperature of battery, service efficiency is reduced so as to avoiding battery because of high temperature and reduces service life.
2nd, by the method for acquiring temperature and device of inside battery of the invention, more accurate inside battery can be obtained
Temperature numerical, error rate is reduced, make the judgement of controller of battery management system and driver for battery temperature more accurate
Really, more suitably measure can be taken, avoids security risk.
Brief description of the drawings
Fig. 1 is the equivalent thermal model of cylindrical battery；
Fig. 2 is one of structural representation of cylindrical battery internal temperature acquisition methods of the present invention；
Fig. 3 is the two of the structural representation of the cylindrical battery internal temperature acquisition methods of the present invention；
Fig. 4 is one of structural representation of cylindrical battery internal temperature acquisition device of the present invention；
Fig. 5 is the two of the structural representation of the cylindrical battery internal temperature acquisition device of the present invention；
Fig. 6 is the three of the structural representation of the cylindrical battery internal temperature acquisition device of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.In the following description, there is provided such as specific configuration and the specific detail of component are only
In order to help comprehensive understanding embodiments of the invention.Therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, eliminate pair
The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is relevant with embodiment
During special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in entire disclosure
" in one embodiment " or " in one embodiment " identical embodiment is not necessarily referred to.In addition, these specific feature, knots
Structure or characteristic can combine in one or more embodiments in any suitable manner.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit
In three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, these three situations of individualism B.
In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
It is unconspicuous using the distribution of cylindrical battery thermal source the embodiment provides cylindrical battery referring to Fig. 1
The equivalent thermal model for the similar equivalent circuit that feature is established.Wherein Q is current source, CpFor the equivalent thermal capacitance of battery, TsurfFor electric current width
Battery surface temperature corresponding to value, TambFor air themperature, R in volume corresponding to current amplitudeoutFor electricity corresponding to current amplitude
Equivalent thermal resistance between pond and environment, RinFor battery equivalent thermal resistance, TinFor internal temperature of battery corresponding to current amplitude.Pass through
Establishing this equivalent thermal model reduces influence of the unnecessary factor to acquisition internal temperature of battery, readily appreciates and with this hair
The acquisition methods and device of bright cylindrical battery internal temperature.
Referring to Fig. 2, the embodiment provides a kind of acquisition methods of cylindrical battery internal temperature, including：
Step 201, obtain battery surface temperature corresponding to the current flow amplitude and current flow amplitude of battery and
Battery institute air themperature in volume in the environment；
Step 202, current resistance ratio R corresponding to current flow amplitude is obtainedin/Rout；
Step 203, the resistance ratio R according to corresponding to current flow amplitudein/Rout, battery table corresponding to current flow amplitude
Face temperature and battery institute air themperature in volume in the environment, obtain internal temperature of battery corresponding to current flow amplitude.
The acquisition methods of cylindrical battery internal temperature provided by the invention by obtain the current amplitude of present battery with
And battery surface temperature corresponding to current flow amplitude and battery air themperature in volume, and by comparing in the environment,
Obtain the current amplitude of the both sides adjacent with current amplitude stored in advance and corresponding resistance ratio Rin/Rout, by default
Algorithm obtains resistance ratio R corresponding to the current amplitude of present batteryin/Rout, according to the principle that can flow conservation, by default
Algorithm obtains the temperature of corresponding inside battery.Controller of battery management system and driver is enabled to obtain real electricity
Pond internal temperature, and take appropriate measures to protect cell safety, avoid battery from reducing battery because internal temperature is too high
Service efficiency, the service life for reducing battery, the vehicle safety problem for even bringing battery catches fire explosive event.
Preferably, the step of current flow amplitude for obtaining battery, includes：
The current amplitude of battery is obtained by the detection table being connected with battery.
Preferably, battery surface temperature corresponding to battery current flow amplitude and battery institute are obtained in the environment in volume
The step of air themperature, includes：
By battery surface temperature corresponding to the first thermocouple acquisition current flow amplitude, worked as by the second thermocouple
Battery institute air themperature in volume in the environment corresponding to preceding current amplitude.
Embodiments of the invention, current flow amplitude, the battery surface temperature of battery are obtained by detecting table and thermocouple
Degree, battery institute air themperature in volume in the environment, be followed by computing and other steps prepare, it is ensured that it is final
Electricity pond internal temperature be present battery internal temperature, and ensure its accuracy.
Referring to Fig. 3, specifically, current resistance ratio R corresponding to current flow amplitude is obtainedin/RoutThe step of include：
Step 301, closed according to the current flow amplitude of battery and the current amplitude prestored are corresponding with resistance ratio
Be to obtain the corresponding first resistor ratio of first current amplitude adjacent with current flow amplitude in table, and with current flow width
It is worth second resistance ratio corresponding to the second adjacent current amplitude；
Step 302, according to first resistor ratio and second resistance ratio, current resistance corresponding to current flow amplitude is obtained
Ratio Rin/Rout。
In an embodiment of the present invention, the current amplitude stored in advance is ± 5A, ± 10A, ± 15A, ± 20A, ± 25A,
But it is not limited solely to these current amplitudes.Obtain resistance ratio R corresponding to the current amplitude stored in advancein/RoutMethod bag
Include：Thermocouple is installed in the inside of battery under conditions of experiment, so as to measure the electricity under the current amplitude state stored in advance
Pond internal temperature, further according to conservation of energy principle, pass through formula：The electric current that computing is stored in advance
Resistance ratio R corresponding to amplitudein/Rout.It should be noted that when current flow amplitude is the current amplitude stored in advance,
Directly read internal temperature of battery of the internal temperature of battery stored in advance as current flow amplitude.
Preferably, according to the first resistor ratio and the second resistance ratio, the current flow amplitude pair is obtained
The current resistance ratio R answeredin/RoutThe step of include：
According to formula：Obtain current flow
Resistance ratio R corresponding to amplitudein/Rout；
Wherein, RinFor battery equivalent thermal resistance；
For the equivalent thermal resistance between the battery and environment of current flow amplitude；
N is current flow amplitude；
N1 is the first current amplitude；
N2 is the second current amplitude；
For the equivalent thermal resistance between the battery and environment of the first current amplitude；
For the equivalent thermal resistance between the battery and environment of the second current amplitude, wherein, the first current amplitude is small
In current flow amplitude, current flow amplitude is less than the second current amplitude.
Embodiments of the invention obtain resistance ratio corresponding to current flow amplitude by the computing of above-mentioned linear difference formula
Value Rin/Rout, compared to paper (doi:The current flow amplitude pair used in 10.1016/j.jpowsour.2009.10.105)
The resistance ratio R answeredin/RoutIt is more accurate, and application is wider, reduces error rate, make controller of battery management system with
And judgement of the driver for battery temperature is more accurate, more suitably measure can be taken, avoids security risk.
Specifically, according to the current resistance ratio R of current flow amplitudein/Rout, battery table corresponding to current flow amplitude
Face temperature and battery institute air themperature in volume in the environment, obtain the step of internal temperature of battery corresponding to current flow amplitude
Suddenly include：
According to formula Tin=(1+Rin/Rout)Tsurf-TambRin/Rout, obtain inside battery corresponding to current flow amplitude
Temperature；
TsurfFor battery surface temperature corresponding to current flow amplitude；
TambFor air themperature in volume corresponding to current flow amplitude；
RoutFor the equivalent thermal resistance corresponding to current flow amplitude between battery and environment；
RinFor battery equivalent thermal resistance；
TinFor internal temperature of battery corresponding to current flow amplitude.
The method that embodiments of the invention obtain the internal temperature of battery by above-mentioned obtaining step, compared to passing through card
The algorithm of Kalman Filtering obtains the method for the internal temperature of battery, and its requirement to controller of battery management system is lower, more holds
Easily by realizing, and the degree of accuracy of obtained internal temperature of battery is higher, cost is lower.
Referring to Fig. 4, the embodiment of the present invention additionally provides a kind of device for obtaining cylindrical battery internal temperature, including：
First measurement module, for obtain battery surface temperature corresponding to a current amplitude and current amplitude for battery with
And battery institute air themperature in volume in the environment；
First acquisition module, for obtaining current resistance ratio R corresponding to current flow amplitudein/Rout；
First computing module, for the current resistance ratio R according to corresponding to current flow amplitudein/Rout, current flow width
Battery surface temperature corresponding to value and battery institute air themperature in volume in the environment, obtain electricity corresponding to current flow amplitude
Pond internal temperature.
Specifically, the first measurement module includes：
First current module, the current amplitude of battery is obtained for the detection table by being connected with battery.
Referring to Fig. 5, the first measurement module also includes：
First thermal module, for obtaining battery surface temperature corresponding to current amplitude by the first thermocouple；
Second temperature module, for obtaining battery institute corresponding to current amplitude in the environment in volume by the second thermocouple
Air themperature.
Battery is obtained by the first current module in the first measurement module, the first thermal module and second temperature module
Basic status information, and be finally give present battery internal temperature carry out basis data support.
Referring to Fig. 6, the first acquisition module also includes：
Second acquisition module, for the current flow amplitude according to battery and the current amplitude and resistance ratio that prestore
Be worth in mapping table, obtain the corresponding first resistor ratio of adjacent with current flow amplitude the first current amplitude, and with ought
Second resistance ratio corresponding to the second adjacent current amplitude of preceding current amplitude；
Second computing module, for according to first resistor ratio and second resistance ratio, it is corresponding to obtain current flow amplitude
Current resistance ratio Rin/Rout。
First acquisition module obtains the electric current of the advance storage of the adjacent both sides of current flow amplitude by the second acquisition module
Amplitude and corresponding resistance ratio Rin/Rout, then current resistance corresponding to current flow amplitude obtained by the second computing module
Ratio Rin/Rout, enabling the internal temperature of battery is finally given by default algorithm.
The acquisition device of the cylindrical battery internal temperature of the present invention, passes through the mutual cooperation of each module so that the present invention
Cylindrical battery internal temperature acquisition methods it is accomplished so that controller of battery management system and driver's energy
The numerical value of more accurate internal temperature of battery is accessed, so as to be avoided using corresponding measure because internal temperature of battery is too high
And the battery availability factor brought is reduced, battery is reduced, even bring battery catches fire explosive event
Vehicle safety problem so that electric automobile can preferably for people service.
In addition, the present invention can in different examples repeat reference numerals and/or letter.This repetition be in order to simplify and
Clear purpose, the relation between itself not indicating discussed various embodiments and/or setting.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. acquisition methods of cylindrical battery internal temperature, it is characterised in that including：Where battery surface temperature corresponding to the current flow amplitude and the current flow amplitude of acquisition battery and battery Air themperature in volume in environment；Obtain current resistance ratio R corresponding to the current flow amplitudein/Rout；The current resistance ratio R according to corresponding to the current flow amplitudein/Rout, battery table corresponding to the current flow amplitude Face temperature and battery institute air themperature in volume in the environment, obtain inside battery temperature corresponding to the current flow amplitude Degree.
- 2. the acquisition methods of cylindrical battery internal temperature according to claim 1, it is characterised in that obtain working as battery The step of preceding current amplitude, includes：The current flow amplitude of battery is obtained by the detection table being connected with battery.
- 3. the acquisition methods of cylindrical battery internal temperature according to claim 1, it is characterised in that obtain described current Battery surface temperature and battery include in volume the step of air themperature in the environment corresponding to current amplitude：Battery surface temperature corresponding to the current flow amplitude is obtained by the first thermocouple, institute is obtained by the second thermocouple State the air themperature in volume in the environment of battery institute corresponding to current flow amplitude.
- 4. the acquisition methods of cylindrical battery internal temperature according to claim 1, it is characterised in that obtain described current Current resistance ratio R corresponding to current amplitudein/RoutThe step of include：According to the current flow amplitude of battery and the current amplitude prestored with resistance ratio mapping table, obtaining Take the corresponding first resistor ratio of first current amplitude adjacent with the current flow amplitude, and with the current flow amplitude Second resistance ratio corresponding to the second adjacent current amplitude；According to the first resistor ratio and the second resistance ratio, current resistance corresponding to the current flow amplitude is obtained Ratio Rin/Rout。
- 5. the acquisition methods of cylindrical battery internal temperature according to claim 4, it is characterised in that according to described first Resistance ratio and the second resistance ratio, obtain current resistance ratio R corresponding to the current flow amplitudein/RoutThe step of Including：According to formula：Obtain the current amplitude pair The resistance ratio R answeredin/Rout；Wherein, RinFor battery equivalent thermal resistance；For the equivalent thermal resistance between the battery and environment of the current flow amplitude；N is the current flow amplitude；N1 is first current amplitude；N2 is second current amplitude；For the equivalent thermal resistance between the battery and environment of first current amplitude；For the equivalent thermal resistance between the battery and environment of second current amplitude, wherein, first current amplitude Less than current flow amplitude, the current flow amplitude is less than second current amplitude.
- 6. the acquisition methods of cylindrical battery internal temperature according to claim 1, it is characterised in that according to described current Current resistance ratio R corresponding to current amplitudein/Rout, battery surface temperature and battery institute corresponding to the current flow amplitude Air themperature in volume in the environment, the step of obtaining internal temperature of battery corresponding to the current flow amplitude, include：According to formula Tin=(1+Rin/Rout)Tsurf-TambRin/Rout, obtain internal temperature of battery corresponding to the current amplitude；TsurfFor battery surface temperature corresponding to the current flow amplitude；TambFor air themperature in volume corresponding to the current flow amplitude；RoutFor the equivalent thermal resistance corresponding to the current flow amplitude between battery and environment；RinFor battery equivalent thermal resistance；TinFor internal temperature of battery corresponding to the current flow amplitude.
- A kind of 7. device for obtaining cylindrical battery internal temperature, it is characterised in that including：First measurement module, for obtain battery current flow amplitude and the current flow amplitude corresponding to battery surface Temperature and battery institute air themperature in volume in the environment；First acquisition module, for obtaining current resistance ratio R corresponding to the current flow amplitudein/Rout；First computing module, for the current resistance ratio R according to corresponding to the current flow amplitudein/Rout, presently described electricity Battery surface temperature corresponding to amplitude and battery institute air themperature in volume in the environment are flowed, obtains the current flow amplitude Corresponding internal temperature of battery.
- 8. the device according to claim 7 for obtaining cylindrical battery internal temperature, it is characterised in that first measurement Module includes：First current module, the current flow amplitude of battery is obtained for the detection table by being connected with battery.
- 9. the device according to claim 7 for obtaining cylindrical battery internal temperature, it is characterised in that first measurement Module also includes：First thermal module, for obtaining battery surface temperature corresponding to the current flow amplitude by the first thermocouple；Second temperature module, for obtaining the body in the environment of battery institute corresponding to the current flow amplitude by the second thermocouple Air themperature in product.
- 10. the device according to claim 7 for obtaining cylindrical battery internal temperature, it is characterised in that described first obtains Modulus block includes：Second acquisition module, for the current flow amplitude according to battery and the current amplitude and resistance ratio that prestore It is worth in mapping table, obtains the corresponding first resistor ratio of adjacent with the current flow amplitude the first current amplitude, and The corresponding second resistance ratio of second current amplitude adjacent with the current flow amplitude；Second computing module, for according to the first resistor ratio and the second resistance ratio, obtaining the current flow Current resistance ratio R corresponding to amplitudein/Rout。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581223A (en) * | 2018-11-29 | 2019-04-05 | 吉林大学 | The DIE Temperature estimation method of Li-ion batteries piles based on Kalman filtering |
| CN109921111A (en) * | 2019-03-14 | 2019-06-21 | 上海大学 | A kind of internal temperature of lithium ion battery estimating and measuring method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120109554A1 (en) * | 2010-10-28 | 2012-05-03 | Gm Global Technology Operations, Inc. | Onboard adaptive battery core temperature estimation |
| CN104865534A (en) * | 2015-04-29 | 2015-08-26 | 同济大学 | Inner temperature estimation method for single cell |
| CN106410300A (en) * | 2016-11-17 | 2017-02-15 | 天津易鼎丰动力科技有限公司 | Method for acquiring internal temperatures of single batteries in battery packs |
-
2017
- 2017-09-14 CN CN201710827124.0A patent/CN107579300B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120109554A1 (en) * | 2010-10-28 | 2012-05-03 | Gm Global Technology Operations, Inc. | Onboard adaptive battery core temperature estimation |
| CN104865534A (en) * | 2015-04-29 | 2015-08-26 | 同济大学 | Inner temperature estimation method for single cell |
| CN106410300A (en) * | 2016-11-17 | 2017-02-15 | 天津易鼎丰动力科技有限公司 | Method for acquiring internal temperatures of single batteries in battery packs |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581223A (en) * | 2018-11-29 | 2019-04-05 | 吉林大学 | The DIE Temperature estimation method of Li-ion batteries piles based on Kalman filtering |
| CN109581223B (en) * | 2018-11-29 | 2020-08-11 | 吉林大学 | Kalman filtering based core temperature estimation method of lithium ion battery pack |
| CN109921111A (en) * | 2019-03-14 | 2019-06-21 | 上海大学 | A kind of internal temperature of lithium ion battery estimating and measuring method and system |
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| CN107579300B (en) | 2019-07-19 |
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