CN108445416A - Battery failure detection system, method and device and automobile - Google Patents
Battery failure detection system, method and device and automobile Download PDFInfo
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- CN108445416A CN108445416A CN201810400715.4A CN201810400715A CN108445416A CN 108445416 A CN108445416 A CN 108445416A CN 201810400715 A CN201810400715 A CN 201810400715A CN 108445416 A CN108445416 A CN 108445416A
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- 208000032953 Device battery issue Diseases 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000004590 computer program Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 5
- 238000003860 storage Methods 0.000 description 10
- 230000003862 health status Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 238000012797 qualification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a battery failure detection system, method and device and an automobile, and relates to the technical field of automobiles. The battery failure detection system includes: the stress detection device, the strain gauge connected with the stress detection device, and the processor connected with the strain gauge; the stress detection device is used for monitoring the stress on the surface of the battery, generating stress data and transmitting the stress data to the strain gauge; the processor receives stress data transmitted by the strain gauge and determines whether the battery fails according to the stress data. The scheme of the invention solves the problems of long time consumption and inconvenient treatment in the existing process of judging the battery failure.
Description
Technical field
The present invention relates to automobile technical field, a kind of battery failure detecting system, method, apparatus and automobile are particularly related to.
Background technology
With the promotion of economic level, more and more people select purchase automobile as walking-replacing tool.Wherein, new energy vapour
Che Yinqi as a source of power, can also be reduced while ensureing driving performance and be broken to environment using unconventional vehicle fuel
It is bad, also gradually favored by masses.
Currently, new-energy automobile uses electric energy as major impetus more.Power lithium-ion battery is since operating voltage is high, work(
The advantages that rate density and energy density are high, charge discharge life is long, memory-less effect, is applied to new-energy automobile more and more
On.But due to new-energy automobile use condition complexity, driving cycle is changeable, and the frequency of use of battery is high, and can usually be in big
The state of current discharge, the caused safety issue of power lithium-ion battery failure are increasingly valued by people.
However, existing way, needs in lithium ion battery 60% and 80%SOC (State of Charge, remaining capacity)
Locate to carry out accelerating lifetime testing at multiple temperature, obtain cell resistance and temperature respectively with the variation relation of SOC, finally by complete
Full empirical model judges the health status of battery, but decision process is complicated, there is a problem of that time-consuming and processing inconvenience.
Invention content
The object of the present invention is to provide a kind of battery failure detecting system, method, apparatus and automobiles, to solve existing judgement
The existing problem that time-consuming and processing is inconvenient of battery failure process.
In order to achieve the above objectives, the embodiment of the present invention provides a kind of battery failure detecting system, including：
Stress detection device, the deformeter being connect with the stress detection device, and the place that is connect with the deformeter
Manage device；Wherein,
The stress detection device is used to monitor the stress of battery surface, generates stress data and is transmitted to the deformeter；
The processor receives the stress data transmitted through the deformeter, and the battery is determined according to the stress data
Whether fail.
The battery failure detecting system of the embodiment of the present invention first passes through stress detection device to battery surface to be measured
Stress is monitored in real time, is then generated stress data and is transmitted to deformeter, and stress data is then transmitted to processing by deformeter
Device is finally analyzed by processor according to stress data, determines whether battery fails.In this way, by battery surface stress
Real-time monitoring, the health status of battery can be timely and effectively recognized according to the stress data got, more quickly,
It is accurate and convenient.
Wherein, determine whether the battery fails according to the stress data, including：
According to the stress data, the stress variation information of battery surface is obtained；
Determine whether battery fails according to the stress variation information.
Wherein, the stress variation information includes：The slope that stress changes over time.
Wherein, determine whether battery fails according to the stress variation information, including：
If first changing value of the slope in first time period, it is less than second of the slope in second time period
Changing value, it is determined that the battery failure；Wherein, the first time period is equal to the second time period, the first time
The stop time point of section is less than or equal to the start time point of the second time period.
Wherein, the battery failure detecting system further includes：
Alarm device, the alarm device receives the alarm command that processor is sent after determining battery failure, according to institute
It states alarm command and generates warning information.
Wherein, the warning information includes：Word, image and/or sound.
Wherein, the stress detection device is at least one strain patch.
Wherein, the strain patch is resistance strain gage.
In order to achieve the above objectives, the embodiments of the present invention also provide a kind of battery failure detection methods, including：
The stress data transmitted through deformeter is received, wherein the deformeter is for receiving stress detection device in monitoring electricity
When the stress of pool surface, the stress data that generates and transmit；
Determine whether the battery fails according to the stress data.
Wherein, determine whether the battery fails according to the stress data, including：
According to the stress data, the stress variation information of battery surface is obtained；
Determine whether battery fails according to the stress variation information.
Wherein, the stress variation information includes：The slope that stress changes over time.
Wherein, determine whether battery fails according to the stress variation information, including：
If first changing value of the slope in first time period, it is less than second of the slope in second time period
Changing value, it is determined that the battery failure；Wherein, the first time period is equal to the second time period, the first time
The stop time point of section is less than or equal to the start time point of the second time period.
Wherein, the battery failure detection method further includes：
Alarm command is sent after determining battery failure to alarm device.
In order to achieve the above objectives, the embodiments of the present invention also provide a kind of battery failure detection devices, including：
Receiving module, for receiving the stress data transmitted through deformeter, wherein the deformeter is for receiving stress inspection
Device is surveyed when monitoring the stress of battery surface, the stress data for generating and transmitting；
Determining module, for determining whether the battery fails according to the stress data.
In order to achieve the above objectives, the embodiments of the present invention also provide a kind of automobiles, including battery failure as described above
Detecting system.
In order to achieve the above objectives, the embodiments of the present invention also provide a kind of automobiles, including processor, memory and storage
On the memory and the computer program that can run on the processor, the computer program are held by the processor
The step of battery failure detection method as described above is realized when row.
Description of the drawings
Fig. 1 is one of the structural schematic diagram of the battery failure detecting system of the embodiment of the present invention；
Fig. 2 is the second structural representation of the battery failure detecting system of the embodiment of the present invention；
Fig. 3 is the step flow chart of the battery failure detection method of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the battery failure detection device of the embodiment of the present invention.
Specific implementation mode
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 present invention has that time-consuming for existing cell health state deterministic process and handles inconvenience, provides
A kind of battery failure detecting system realizes that quickly and conveniently battery failure detects, and ensures the safe to use of battery system.
As shown in Figure 1, a kind of battery failure detecting system of the embodiment of the present invention, including：
Stress detection device 110, the deformeter 120 being connect with the stress detection device 110, and with the deformeter
The processor 130 of 120 connections；Wherein,
The stress detection device 110 is used to monitor the stress of battery surface, generates stress data and is transmitted to the strain
Instrument 120；
The processor 130 receives the stress data transmitted through the deformeter 120, and institute is determined according to the stress data
State whether battery fails.
The battery failure detecting system of the embodiment of the present invention first passes through stress detection device 110 to mesuring battary table
The stress in face is monitored in real time, is then generated stress data and is transmitted to deformeter 120, and deformeter 120 is then by stress data
It is transmitted to processor 130, is finally analyzed according to stress data by processor 130, determines whether battery fails.In this way, logical
The real-time monitoring of overstress detection device 110 can timely and effectively recognize battery according to the stress data got
Health status, more quickly, accurate and convenient.
Wherein, processor 130 determines whether the battery fails according to the stress data, including：
According to the stress data, the stress variation information of battery surface is obtained；
Determine whether battery fails according to the stress variation information.
Here, after processor 130 receives the stress data that deformeter 120 transmits, it is further the stress data to be based on
The stress variation information of battery surface is obtained, then determines whether battery fails according to stress variation information.
In embodiments of the present invention, by monitoring the stress of battery surface, will rapidly increase in the variation slope of stress
When big, battery failure is judged.Therefore optionally, the stress variation information includes：The slope that stress changes over time.
In the embodiment of the present invention, processor 130 can build the curve of stress and time according to the stress data obtained,
Then slope that stress changes over time is obtained as stress variation information, to be used to judge whether battery to fail by curve.When
So, in order to judge whether the variation slope of stress increases rapidly, the stress variation information be not limited to stress change over time it is oblique
Rate further includes sampled point corresponding time, stress intensity etc., will not enumerate herein.
Optionally, determine whether battery fails according to the stress variation information, including：
If first changing value of the slope in first time period, it is less than second of the slope in second time period
Changing value, it is determined that the battery failure；Wherein, the first time period is equal to the second time period, the first time
The stop time point of section is less than or equal to the start time point of the second time period.
Here, because first time period is equal to second time period, and the stop time point of first time period is less than or equal to the
The start time point of two periods, when learning that the first changing value is less than the second changing value, so that it may to recognize stress at any time
Whether the slope of variation is increased rapidly.
In addition, in the embodiment, to ensure the validity of sampled data, multi-group data can be obtained sequentially in time, such as
(10:00-10:05) slope variation value A and (10:05-10:10) slope variation value B；(10:10-10:15) slope becomes
Change value C and (10:15-10:20) slope variation value D.The size for then comparing A and B, B and C, C and D, if pushing away with the time
It moves, slope variation value is all to increase then determining battery failure.
Certainly divided by the slope variation value in above-mentioned relatively same time increases rapidly it to judge whether slope has occurred
Outside, whether can also less be judged by the time that same slope changing value is consumed.Such as according to the first moment to the second moment
Slope variation value P, obtain the second moment to the third moment slope variation value be equal to P (the first moment less than the second moment, the
Two moment be less than the third moment), then by the duration T1 at the first moment to the second moment in the second moment to third moment when
Long T2 compares, if T1>T2, it is determined that battery failure.
In addition, as shown in Fig. 2, the battery failure detecting system of the embodiment of the present invention, further includes：
Alarm device 140, the alarm device 140 receive the alarm that processor 130 is sent after determining battery failure and refer to
It enables, warning information is generated according to the alarm command.
Here, after processor 130 judges battery failure through the above steps, alarm command can be sent to alarm device 140
Alerted, so that user timely updates battery, avoid dead battery be continuing with and caused by it is dangerous.
Optionally, the warning information includes：Word, image and/or sound.
In this way, alarm device 140 can be vehicle-carrying display screen, indicator light and/or buzzer etc., with word, image and/or
The form of sound gives the warning of driver and passenger battery failure.
In this embodiment, optionally, the stress detection device is at least one strain patch.
So, it will be able to scheduled position on battery surface be polished, crossed and be cleaned, can be incited somebody to action after guarantee
Strain patch is securely successfully pasted onto corresponding position, after stickup, also to be cured, and check sticking Quality, and checks
After qualification, so that it may to be connect with deformeter 120 by connecting terminal by patch is strained.Wherein, stickup of the strain patch in battery
Position is：Equivalent position in the face diagonal intersection point knead dough of rectangular cell；The center of circular batteries and edge equivalent position；Circle
The upper, middle and lower position of column battery and edge equivalent position；Battery pack is in the side of each battery.
Optionally, the strain patch is resistance strain gage.
Resistance strain gage can adapt to the heating temperature of battery and not influence detection data, ensure the validity of detection.
In conclusion the battery failure detecting system of the embodiment of the present invention, mainly by stress detection device, deformeter and
Device composition is managed, stress detection device 110 is first passed through and the stress of battery surface to be measured is monitored in real time, then generates and answers
Force data is transmitted to deformeter 120, and stress data is then transmitted to processor 130 by deformeter 120, finally by processor 130
It is analyzed according to stress data, determines whether battery fails.In this way, by the real-time monitoring of stress detection device 110, according to
The stress data got can timely and effectively recognize the health status of battery, more quickly, accurate and convenient.
As shown in figure 3, a kind of battery failure detection method of the embodiment of the present invention, including：
Step 301, the stress data transmitted through deformeter is received, wherein the deformeter is for receiving stress detection device
When monitoring the stress of battery surface, the stress data that generates and transmit；
Step 302, determine whether the battery fails according to the stress data.
The battery failure detection method of the embodiment of the present invention monitors the stress of battery surface in stress detection device, generates
And after the stress data to deformeter transmitted, the stress data of deformeter transmission is received, is then directly determined according to stress data
Go out whether detected battery fails, by the real-time monitoring of stress detection device, according to the stress data got can and
When effectively recognize the health status of battery, more quickly, accurate and convenient.
Optionally, step 302, including：
According to the stress data, the stress variation information of battery surface is obtained；
Determine whether battery fails according to the stress variation information.
Here, after the stress data for receiving deformeter transmission, battery surface can further be obtained based on the stress data
Stress variation information, then determine whether battery fails according to stress variation information.
In embodiments of the present invention, by monitoring the stress of battery surface, will rapidly increase in the variation slope of stress
When big, battery failure is judged.Therefore optionally, the stress variation information includes：The slope that stress changes over time.
Here it is possible to build the curve of stress and time according to the stress data obtained, stress is then obtained by curve
The slope changed over time is as stress variation information, to be used to judge whether battery to fail.Certainly, in order to judge the change of stress
Change whether slope increases rapidly, which is not limited to the slope that stress changes over time, and further includes that sampled point corresponds to
Time, stress intensity etc., will not enumerate herein.
Optionally, determine whether battery fails according to the stress variation information, including：
If first changing value of the slope in first time period, it is less than second of the slope in second time period
Changing value, it is determined that the battery failure；Wherein, the first time period is equal to the second time period, the first time
The stop time point of section is less than or equal to the start time point of the second time period.
Here, because first time period is equal to second time period, and the stop time point of first time period is less than or equal to the
The start time point of two periods, when learning that the first changing value is less than the second changing value, so that it may to recognize stress at any time
Whether the slope of variation is increased rapidly.
In addition, in the embodiment, to ensure the validity of sampled data, multi-group data can be obtained sequentially in time, such as
(10:00-10:05) slope variation value A and (10:05-10:10) slope variation value B；(10:10-10:15) slope becomes
Change value C and (10:15-10:20) slope variation value D.The size for then comparing A and B, B and C, C and D, if pushing away with the time
It moves, slope variation value is all to increase then determining battery failure.
Certainly divided by the slope variation value in above-mentioned relatively same time increases rapidly it to judge whether slope has occurred
Outside, whether can also less be judged by the time that same slope changing value is consumed.Such as according to the first moment to the second moment
Slope variation value P, obtain the second moment to the third moment slope variation value be equal to P (the first moment less than the second moment, the
Two moment be less than the third moment), then by the duration T1 at the first moment to the second moment in the second moment to third moment when
Long T2 compares, if T1>T2, it is determined that battery failure.
Optionally, the battery failure detection method further includes：
Alarm command is sent after determining battery failure to alarm device.
In this way, after determining battery failure, sends alarm command to alarm device and alerted, so that user timely updates electricity
Pond, avoid dead battery be continuing with and caused by it is dangerous.
It is understood that this method is the method in the processor being applied in a upper embodiment, a upper embodiment
Realization method is suitable for this method, can also reach identical technique effect, details are not described herein.
As shown in figure 4, the embodiments of the present invention also provide a kind of battery failure detection devices, including：
Receiving module 410, for receiving the stress data transmitted through deformeter, wherein the deformeter is for receiving stress
Detection device is when monitoring the stress of battery surface, the stress data that generates and transmit；
Determining module 420, for determining whether the battery fails according to the stress data.
Optionally, the determining module 420 includes：
Submodule is handled, for according to the stress data, obtaining the stress variation information of battery surface；
Determination sub-module, for determining whether battery fails according to the stress variation information.
Optionally, the stress variation information includes：The slope that stress changes over time.
Optionally, the determination sub-module is further used for：
If first changing value of the slope in first time period, it is less than second of the slope in second time period
Changing value, it is determined that the battery failure；Wherein, the first time period is equal to the second time period, the first time
The stop time point of section is less than or equal to the start time point of the second time period.
Optionally, described device further includes：
Sending module, for sending alarm command after determining battery failure to alarm device.
It is understood that the device corresponds to the device of the above method, the realization method of above method embodiment is suitable
For the device, it can also reach identical technique effect, details are not described herein.
The embodiments of the present invention also provide a kind of automobiles, including battery failure detecting system as described above.
The automobile is led to by the battery failure detecting system being mainly made of stress detection device, deformeter and processor
Overstress detection device monitors the stress of battery surface to be measured in real time, then generates stress data and is transmitted to deformeter,
And stress data is then transmitted to processor by deformeter, is finally analyzed according to stress data by processor, determines that battery is
No failure.In this way, by the real-time monitoring to battery surface stress, it can be timely and effectively according to the stress data got
Recognize the health status of battery, more quickly, accurate and convenient.
The embodiments of the present invention also provide a kind of automobile, including processor, memory and it is stored on the memory
And the computer program that can be run on the processor, the computer program realize institute as above when being executed by the processor
The step of battery failure detection method stated.
Another embodiment of the present invention additionally provides a kind of computer readable storage medium, the computer-readable storage medium
Computer program is stored in matter, the computer program realizes battery failure detection side as described above when being executed by processor
The step of method.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology realizes information storage.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (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), fast flash memory bank or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic tape cassette, tape magnetic disk storage or other magnetic storage apparatus
Or any other non-transmission medium, it can be used for storage and 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 data-signal and carrier wave of modulation.
Explanation is needed further exist for, this many functional component described in this description is all referred to as module, so as to more
Add the independence for particularly emphasizing its realization method.
In the embodiment of the present invention, module can use software realization, to be executed by various types of processors.Citing comes
It says, the executable code module of a mark may include the one or more physics or logical block of computer instruction, citing
For, object, process or function can be built as.Nevertheless, the executable code of institute's mark module is without physically
It is located together, but may include the different instructions being stored in different positions, be combined together when in these command logics
When, it constitutes module and realizes the regulation purpose of the module.
In fact, executable code module can be the either many item instructions of individual instructions, and can even be distributed
It on multiple and different code segments, is distributed in distinct program, and is distributed across multiple memory devices.Similarly, it grasps
Making data can be identified in module, and can be realized according to any form appropriate and be organized in any appropriate class
In the data structure of type.The operation data can be collected as individual data collection, or can be distributed on different location
(including in different storage device), and can only be present in system or network as electronic signal at least partly.
When module can utilize software realization, it is contemplated that the level of existing hardware technique, it is possible to implemented in software
Module, in the case where not considering cost, those skilled in the art can build corresponding hardware circuit to realize correspondence
Function, the hardware circuit includes conventional ultra-large integrated (VLSI) circuit or gate array and such as logic core
The existing semiconductor of piece, transistor etc either other discrete elements.Module can also use programmable hardware device, such as
The realizations such as field programmable gate array, programmable logic array, programmable logic device.
Above-mentioned exemplary embodiment is described with reference to those attached drawings, many different forms and embodiment be it is feasible and
Without departing from spirit of that invention and teaching, therefore, the present invention should not be construed as in the limitation of this proposed exemplary embodiment.
More precisely, these exemplary embodiments are provided so that the present invention can be perfect and complete, and can be by the scope of the invention
It is communicated to those those of skill in the art.In those schemas, size of components and relative size be perhaps based on it is clear for the sake of
And it is exaggerated.Term used herein is based only on description particular example embodiment purpose, and being not intended to, which becomes limitation, uses.Such as
Ground is used at this, unless the interior text clearly refers else, otherwise the singulative " one ", "one" and "the" be intended to by
Those multiple forms are also included in.Those term "comprising"s and/or " comprising " will become further apparent when being used in this specification,
It indicates the presence of the feature, integer, step, operation, component and/or component, but is not excluded for one or more other features, whole
Number, step, operation, component, component and/or the presence of its group or increase.Unless otherwise indicated, narrative tense, a value range packet
Bound containing the range and any subrange therebetween.
The above is the 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 (16)
1. a kind of battery failure detecting system, which is characterized in that including：
Stress detection device, the deformeter being connect with the stress detection device, and the processor that is connect with the deformeter；
Wherein,
The stress detection device is used to monitor the stress of battery surface, generates stress data and is transmitted to the deformeter；
The processor receives the stress data transmitted through the deformeter, and whether the battery is determined according to the stress data
Failure.
2. battery failure detecting system according to claim 1, which is characterized in that according to stress data determination
Whether battery fails, including：
According to the stress data, the stress variation information of battery surface is obtained；
Determine whether battery fails according to the stress variation information.
3. battery failure detecting system according to claim 1, which is characterized in that the stress variation information includes：It answers
The slope that power changes over time.
4. battery failure detecting system according to claim 3, which is characterized in that determined according to the stress variation information
Whether battery fails, including：
If first changing value of the slope in first time period, it is less than second variation of the slope in second time period
Value, it is determined that the battery failure；Wherein, the first time period is equal to the second time period, the first time period
Stop time point is less than or equal to the start time point of the second time period.
5. battery failure detecting system according to claim 1, which is characterized in that further include：
Alarm device, the alarm device receives the alarm command that processor is sent after determining battery failure, according to the announcement
Alert instruction generates warning information.
6. battery failure detecting system according to claim 5, which is characterized in that the warning information includes：Word, figure
Picture and/or sound.
7. battery failure detecting system according to claim 1, which is characterized in that the stress detection device is at least one
A strain patch.
8. battery failure detecting system according to claim 7, which is characterized in that the strain patch is resistance-strain
Piece.
9. a kind of battery failure detection method, which is characterized in that including：
The stress data transmitted through deformeter is received, wherein the deformeter is for receiving stress detection device in monitoring battery table
When the stress in face, the stress data that generates and transmit；
Determine whether the battery fails according to the stress data.
10. battery failure detection method according to claim 9, which is characterized in that determine institute according to the stress data
State whether battery fails, including：
According to the stress data, the stress variation information of battery surface is obtained；
Determine whether battery fails according to the stress variation information.
11. battery failure detection method according to claim 10, which is characterized in that the stress variation information includes：
The slope that stress changes over time.
12. battery failure detection method according to claim 11, which is characterized in that true according to the stress variation information
Determine whether battery fails, including：
If first changing value of the slope in first time period, it is less than second variation of the slope in second time period
Value, it is determined that the battery failure；Wherein, the first time period is equal to the second time period, the first time period
Stop time point is less than or equal to the start time point of the second time period.
13. battery failure detection method according to claim 11, which is characterized in that further include：
Alarm command is sent after determining battery failure to alarm device.
14. a kind of battery failure detection device, which is characterized in that including：
Receiving module, for receiving the stress data transmitted through deformeter, wherein the deformeter is for receiving stress mornitoring dress
Set the stress data for generating and transmitting when monitoring the stress of battery surface；
Determining module, for determining whether the battery fails according to the stress data.
15. a kind of automobile, which is characterized in that including such as claim 1-8 any one of them battery failure detecting system.
16. a kind of automobile, including processor, memory and it is stored on the memory and can runs on the processor
Computer program is realized when the computer program is executed by the processor as described in any one of claim 9 to 13
The step of battery failure detection method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400715.4A CN108445416B (en) | 2018-04-28 | 2018-04-28 | Battery failure detection system, method and device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400715.4A CN108445416B (en) | 2018-04-28 | 2018-04-28 | Battery failure detection system, method and device and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN108445416A true CN108445416A (en) | 2018-08-24 |
| CN108445416B CN108445416B (en) | 2020-09-01 |
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