CN105846003A - Apparatus and method for realizing battery deformation detection through sensor module - Google Patents
Apparatus and method for realizing battery deformation detection through sensor module Download PDFInfo
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- CN105846003A CN105846003A CN201610327992.8A CN201610327992A CN105846003A CN 105846003 A CN105846003 A CN 105846003A CN 201610327992 A CN201610327992 A CN 201610327992A CN 105846003 A CN105846003 A CN 105846003A
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 47
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 3
- 206010016766 flatulence Diseases 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 8
- 230000001960 triggered effect Effects 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 description 20
- 230000005611 electricity Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 241000168254 Siro Species 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000018380 Chemical injury Diseases 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/448—End of discharge regulating measures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides an apparatus and a method for realizing battery deformation detection through a sensor module. The apparatus for realizing the battery deformation detection through the sensor module comprises a battery module, a circuit substrate, a fixed base groove, the sensor module and a battery cavity, wherein the battery module, the circuit substrate and the fixed base groove are arranged in the battery cavity; the fixed base groove is formed in the battery cavity; the sensor module is arranged in the fixed base groove, and positioned on one side, close to the battery module, of the fixed base groove; and the battery module and the sensor module are electrically connected with the circuit substrate separately. The sensor module and the circuit substrate form a protection system; when the overall form or the partial form of the battery module is abnormally deformed to reach an abnormal threshold value, the sensor in the sensor module is triggered to give out a trigger signal; and the circuit substrate stops charging and discharging to the battery module so as to avoid a worse consequent in order to protect the product and the personal and property safety of a user.
Description
Technical field
The present invention relates to a kind of battery deformation detecting device, particularly relate to one and realize battery deformation by sensor assembly
The device of detection, and the method relating to being applied to this device being realized battery shape changing detection by sensor assembly.
Background technology
At present in the middle of mobile stored energy application field, lithium battery because volume is little, energy density is high, long circulation life and
Memory-less effect progressively becomes the energy carrier of stored energy application product, but owing to lithium battery belongs to chemicals, by chemistry material
Material formula, manufacture use lack of standardization, the repeats itself life-span with production technology, ambient temperature, physical damnification, discharge and recharge
And the impact such as various accidental operations, it is possible to cause inside battery chemical substance to change, such as produce gas gas
Pressure, causes battery that certain metamorphosis, battery generation physics and chemical injury, hydraulic performance decline occur；If the most not
Discovered by user, be continuing with the function of product, continue battery is carried out discharge and recharge operation, if things go on like this will make
Inside battery chemical substance reacts further, and air pressure inside is further up, and battery shape occurs irreversible
Damage, such as bulge.And when the scope that pressure exceedes battery protection skin or containment vessel can bear, it would be possible to produce not
The consequence that can expect.
Traditional battery deformation detecting method uses temperature sensor, simply simply temperature probe is fitted in electricity
A certain position, pond, not only can detect the battery orientation of temperature, area fairly limited, and only limit detect battery or
Whether the temperature of set of cells exceedes safety value is used as battery protecting plate and judges whether battery is located abnormal foundation.And it is electric
There is physics and chemical injury in Chi Ruo, it is not necessary to showing as temperature too high, the process of bulge can be slowly, temperature
Degree not necessarily can occur significantly to change；Now conventional temperature sensor cannot detect whether battery shape produces physics
Change, such as bulge with chemical property damage.And generally battery has been done certain space of expanding with heat and contract with cold due to product casing
Bulge or the paramophia of local that buffering, battery or set of cells are slight can't cause product appearance to change,
Will not cause the attention of user, the danger coefficient of product then will grow with each passing day.Additionally the battery of bulge is continued
Charging may produce even risk of explosion on fire.
Summary of the invention
The technical problem to be solved is that needs offer one can when battery or set of cells generation abnormal deformation
Timely closedown is to battery and the discharge and recharge of set of cells, and then protection product, and the protection user person leads to property safety
Cross sensor assembly and realize the device of battery shape changing detection, and offer is applied to this and realizes battery shape by sensor assembly
The method becoming the device of detection.
To this, the present invention provides a kind of device being realized battery shape changing detection by sensor assembly, including: battery mould
Block, circuit substrate, fixing foundation trench, sensor assembly and battery cavities, described battery module, circuit substrate and fixed base
Groove is arranged in described battery cavities, and described fixing foundation trench is arranged in described battery cavities；Described sensor assembly is arranged at
In described fixing foundation trench, and it is positioned at described fixing foundation trench near the side of battery module；Wherein, described battery module and
Sensor assembly electrically connects with described circuit substrate respectively.
Further improvement of the present invention is, described fixing foundation trench is installed in described battery cavities in the way of standalone module,
Or, described fixing foundation trench is directly made on described battery cavities.
Further improvement of the present invention is, described sensor assembly is positioned at the top of described battery module.
Further improvement of the present invention is, described fixing foundation trench is gutter-like groove or square groove.
Further improvement of the present invention is, described circuit substrate includes MCU.
Further improvement of the present invention is, the one side of described battery module is fixedly installed on described fixing foundation trench, and
It is connected with described fixing foundation trench；The another side of described battery module is connected with described battery cavities.
Further improvement of the present invention is, described sensor assembly includes that the dot matrix of cross direction profiles and genesis analysis passes
Sensor.
The present invention also provides for a kind of method realizing battery shape changing detection by sensor assembly, described in pass through sensor die
Block realizes the method for battery shape changing detection and is applied to realize as described above by sensor assembly the dress of battery shape changing detection
Put, and comprise the following steps:
Step S1, described circuit substrate detects in real time, until receiving at least one sensor in described sensor assembly
The triggering signal passed over；
Step S2, described circuit substrate send abort signal to described battery module closing the charging of battery module and
Electric discharge；
Step S3, waits until described sensor die block reset, then send reset signal to described circuit substrate；
Step S4, described circuit substrate send reset signal to described battery module recovering the charging of battery module and
Electric discharge.
Further improvement of the present invention is, in described step S1, when configuration or the local shape of described battery module
When state reaches outlier threshold, it is determined that battery module paramophia, described sensor assembly sends triggering signal to described electricity
Base board.
Further improvement of the present invention is, described outlier threshold is set to X0=h+X1+X2, wherein, X0For described electricity
The configuration of pond module or the outlier threshold of local form, h is the whole height of battery module, X1For battery module
Produced flatulence of heat type cushion space during normal work, X2For triggering the extruding key journey needed for any one sensor or range.
Compared with prior art, the beneficial effects of the present invention is: sensor assembly is arranged in battery cavities, described
Sensor assembly forms protection system with circuit substrate；When abnormal shape occur in overall kenel or the local form of battery module
During change, deformation values reaches or breaks through abnormal threshold values set in advance sensor in trigger sensor module is sent interruption
Signal, the MCU on described circuit substrate receives and grasps closing the charge and discharge to battery module after triggering signal
Make, and close the other products function of this battery module, it is to avoid produces more serious consequence, protect product itself and
The person of user and property safety.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram being independently arranged fixing foundation trench in an embodiment of the present invention；
Fig. 2 is the overall cross-section structure view being independently arranged fixing foundation trench in an embodiment of the present invention；
Fig. 3 is the circuit theory schematic diagram of an embodiment of the present invention；
Fig. 4 is the overall structure schematic diagram that an embodiment of the present invention directly makes fixing foundation trench in battery cavities；
Fig. 5 is the section knot that an embodiment of the present invention directly makes the fixing foundation trench being shaped as gutter-like groove in battery cavities
Structure schematic diagram；
Fig. 6 is the section directly making the fixing foundation trench being shaped as square groove in an embodiment of the present invention in battery cavities
Structural representation；
Fig. 7 is the workflow schematic diagram of another kind embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the preferably embodiment of the present invention is described in further detail.
Embodiment 1:
As shown in Figures 1 to 6, this example provides a kind of device being realized battery shape changing detection by sensor assembly, bag
Include: battery module 10, circuit substrate 20, fixing foundation trench 30, sensor assembly 40 and battery cavities 50, described battery
Module 10, circuit substrate 20 and fixing foundation trench 30 are arranged in described battery cavities 50, and described fixing foundation trench 30 is arranged
In described battery cavities 50；Described sensor assembly 40 is arranged in described fixing foundation trench 30, and is positioned at described fixing
Foundation trench 30 is near the side of battery module 10；Wherein, described battery module 10 and sensor assembly 40 respectively with institute
State circuit substrate 20 to electrically connect.
Described sensor assembly 40 is arranged in described fixing foundation trench 30, and is positioned at described fixing foundation trench 30 near battery
The side of module 10, it is preferred that described sensor assembly 40 is arranged at the top of described battery module 10, such as Fig. 1
Shown in, within described sensor assembly 40 is arranged at described fixing foundation trench 30, in the top of described battery module 10；
Such as, sensor assembly 40 can individually make a module being attached on battery module 10, described battery module 10
Electrically connect with described circuit substrate 20 respectively with sensor assembly 40.
Circuit substrate 20 described in this example is fixedly installed among described battery cavities 50；As depicted in figs. 1 and 2, described
Fixing foundation trench 30 can be installed in battery cavities 50 in the way of standalone module, or, as shown in Figures 4 to 6,
Fixing foundation trench 30 is directly made on battery cavities 50.As shown in Figure 5 and Figure 6, the shape of fixing foundation trench can be
Gutter-like groove or square groove, described sensor assembly 40 is arranged among fixing foundation trench 30；The one of described battery module 10
Face is fixedly installed on described fixing foundation trench 30, and leaves no gaps with fixing foundation trench 30 compact siro spinning technology；Described battery mould
The another side of block 10 then leaves no gaps with described battery cavities 50 compact siro spinning technology；Now sensor assembly 40 is just towards electricity
Pond module 10, precision optical machinery pressure transducer on this sensor assembly 40 and/or precise electronic sensor longitudinally with
Laterally arrange towards battery module 10 in both direction.As in figure 2 it is shown, described sensor assembly 40 includes laterally dividing
The dot matrix sensor of cloth and genesis analysis, the number of sensors on described sensor assembly 40 can be according to the spy of product
Point and then setting, can set one or more, multiple formed dot matrix matrix distribution, as shown in Figure 2；And
Small sized product then uses 1 sensor just can achieve the goal；Described battery module 10 includes battery or set of cells.
Described in this example, circuit substrate 20 is control circuit substrate, as it is shown on figure 3, be provided with on described circuit substrate 20
Single-chip microcomputer, is i.e. provided with MCU.Described in this example, circuit substrate 20 and this sensor assembly 40 can be according to product designs
Requirement is combined, or is connected by circuit cable.
As depicted in figs. 1 and 2, this example installs sensor assembly 40 in fixing foundation trench 30, on sensor assembly 40
Arrange that some is precision optical machinery pressure transducer or precise electronic sensor, the most described sensor of matrix form arrangement
Module 40 includes precision optical machinery pressure transducer and/or the precise electronic sensor of matrix form, described sensor assembly 40
Can be any one or a few the hybrid combining in precision optical machinery pressure transducer and precise electronic sensor；Described
One surface laminating of battery module 10 is fixed on fixing foundation trench 30, and the sensor assembly among fixing foundation trench 30
Precision optical machinery pressure transducer on 40 or precise electronic sensor are the most just towards the one side of battery module 10, such as Fig. 1
Shown in Fig. 2, fixing foundation trench 30 can be installed in battery cavities in the way of standalone module, or, if Fig. 4 is to figure
Shown in 6, directly fixing foundation trench 30 is made on battery cavities 50.The one side of battery module 10 is fixedly installed on described
On fixing foundation trench 30, and leave no gaps with fixing foundation trench 30 compact siro spinning technology；The another side of described battery module 10 then with
Described battery cavities 50 compact siro spinning technology leaves no gaps；Now precision optical machinery pressure transducer or precise electronic sensor and battery
Distance between module 10 is that safe buffering is interval.Under normal circumstances, the precision optical machinery pressure of these matrix arrangement passes
Sensor or precise electronic sensor can't be triggered, if battery module 10 is heaved because of fortuitous event, the most whole
Body or local, it will be expressed to these precision optical machinery pressure transducers or precise electronic sensor, trigger them any
One sends triggering signal, and the precision optical machinery pressure transducer being triggered or precise electronic sensor will touch in immediate feedback
Signaling to the MCU on circuit substrate 20, this MCU will immediately be closed down the charging to battery module 10 or put
Electricity and other products feature operation, thereby protect product and do not work on when battery module 10 is in damage,
Protect product itself and the user person and property safety.
It is noted that sensor assembly 40 is arranged in battery cavities 50 by this example, described sensor assembly 40 with
Circuit substrate 20 forms protection system；It is provided with safety buffer zone between described sensor assembly 40 and battery module 10
Between, the precision optical machinery pressure transducer on the most described sensor assembly 40 or precise electronic sensor, the most directly with electricity
Pond module 10 contacts, but is isolated by fixing foundation trench 30, and the purpose so arranged is, healthy battery module
10 forms are normal, and configuration and local form all cannot touch precision optical machinery pressure transducer or precise electronic sensor
Dot matrix in any one sensor, expanding with heat and contract with cold normally when battery module 10 works, it is described the most also will not to touch
Any one sensor in precision optical machinery pressure transducer or precise electronic sensor；And when the entirety of battery module 10
When abnormal deformation occur in kenel or local form, deformation values reaches or breaks through abnormal threshold values set in advance breakthrough to be fixed
Foundation trench 30, the sensor in trigger sensor module 40 sends interrupt signal, the MCU on described circuit substrate 20
The operation of the charge and discharge to battery module 10 will be closed down after receiving interrupt signal, and close this battery module 10
Other products function, it is to avoid produce more serious consequence, protection product itself and the person of user and property safety.
Embodiment 2:
As it is shown in fig. 7, this example also provides for a kind of method realizing battery shape changing detection by sensor assembly, described logical
Cross sensor assembly to realize the method for battery shape changing detection and be applied to be realized by sensor assembly as described in Example 1
The device of battery shape changing detection, and comprise the following steps:
Step S1, described circuit substrate 20 detects in real time, until receiving at least one in described sensor assembly 40
The triggering signal that sensor is passed over；
Step S2, described circuit substrate 20 sends abort signal to described battery module 10 to close battery module 10
Charging and discharging；
Step S3, waits until that described sensor assembly 40 resets, then send reset signal to described circuit substrate 20；
Step S4, described circuit substrate 20 sends reset signal to described battery module 10 to recover battery module 10
Charging and discharging.
In step S1 described in this example, when the configuration of described battery module 10 or local form reach outlier threshold,
Judging battery module 10 paramophia, described sensor assembly 40 sends triggering signal to described circuit substrate 20；Its
In, described outlier threshold is set to X0=h+X1+X2, wherein, X0Configuration or office for described battery module 10
The outlier threshold of portion's form, h is the whole height of battery module 10, X1Produced when normally working by battery module 10
Raw flatulence of heat type cushion space, X2For triggering the extruding key journey needed for any one sensor or range.
Set the entirety of battery module 10 or the secure aspects change dynamic distance variable of local as X.According to foregoing description,
Under normal circumstances, healthy battery module 10 form is normal, and overall and local all cannot be touched on sensor assembly 40
Precision optical machinery pressure transducer or precise electronic sensor, expand with heat and contract with cold normally the most not when battery module 10 works
The precision optical machinery pressure transducer on sensor assembly 40 or precise electronic sensor can be touched.
And there is accident when battery module 10, as there is chemistry inside oxidation, produce chemical gas and bulge, electricity
The entirety of pond module 10 or local form are up to even break through abnormal threshold values X0, touch on sensor assembly 40
Precision optical machinery pressure transducer or precise electronic sensor, any one precision optical machinery pressure transducer or precise electronic pass
Sensor is triggered, circuit substrate 20 will immediately stop the battery module 10 of fault being charged or discharges with
And other function of product.
Described circuit substrate 20 judge whether normally for battery charging and discharging according to as follows: the first, normal condition: X < X0,
Sensor array 40 is not triggered, it is determined that battery module 10 form is healthy, and product is in normal operating conditions；The second,
Abnormal conditions: X >=X0, sensor array 40 is triggered, it is determined that battery module 10 paramophia, circuit substrate 20
Closing the charge and discharge to battery module 10 to operate and other function, product is in off position.
The work process of the MCU in described circuit substrate 20 is as follows: the first, the precision optical machinery on sensor assembly 40
Any one in pressure transducer or precise electronic sensor is triggered, and transmission is touched and sent signals to MCU；The second,
After MCU receives the triggering signal of precision optical machinery pressure transducer or precise electronic sensor, one termination of instant transmission
Signal is given to the BMS battery charging and discharging management system of battery module 10；3rd, BMS battery charging and discharging management system
After receiving the abort signal that MCU transmits, close down the charge and discharge function to battery module 10 immediately, and produce
Other function of product；4th, precision optical machinery pressure transducer and precise electronic sensor reset, and transmission reset signal is given
To MCU；5th, after MCU receives the reset signal of precision optical machinery pressure transducer or precise electronic sensor,
Instant this reset signal of transmitting is given to BMS battery charging and discharging management system；6th, BMS battery charging and discharging management system
After system receives the reset signal that MCU transmits, the instant recovery charge and discharge function to battery module 10, and
Other function of product.
Sensor assembly 40 is arranged in battery cavities 50 by this example, and forms protection system with circuit substrate 20；Work as electricity
When abnormal deformation occur in the overall kenel of pond module 10 or local form, deformation values reaches or breaks through exception set in advance
Sensor in trigger sensor module 40 is sent interrupt signal by threshold values, and the MCU on described circuit substrate 20 receives
Operate closing the charge and discharge to battery module 10 after representing the triggering signal interrupted, and close this battery module
The other products function of 10, it is to avoid produce more serious consequence, protection product itself and the person of user and property
Safety.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
Without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, should be all considered as belonging to this
The protection domain of invention.
Claims (10)
1. the device being realized battery shape changing detection by sensor assembly, it is characterised in that including: battery module,
Circuit substrate, fixing foundation trench, sensor assembly and battery cavities, described battery module, circuit substrate and fixing foundation trench set
Being placed in described battery cavities, described fixing foundation trench is arranged in described battery cavities；Described sensor assembly is arranged at described
In fixing foundation trench, and it is positioned at described fixing foundation trench near the side of battery module；Wherein, described battery module and sensing
Device module electrically connects with described circuit substrate respectively.
The device being realized battery shape changing detection by sensor assembly the most according to claim 1, it is characterised in that
Described fixing foundation trench is installed in described battery cavities in the way of standalone module, or, described fixing foundation trench directly makes
On described battery cavities.
The device being realized battery shape changing detection by sensor assembly the most according to claim 1, it is characterised in that
Described sensor assembly is positioned at the top of described battery module.
4. according to the device being realized battery shape changing detection by sensor assembly described in claims 1 to 3 any one,
It is characterized in that, described fixing foundation trench is gutter-like groove or square groove.
5. according to the device being realized battery shape changing detection by sensor assembly described in claims 1 to 3 any one,
It is characterized in that, described circuit substrate includes MCU.
6. according to the device being realized battery shape changing detection by sensor assembly described in claims 1 to 3 any one,
It is characterized in that, the one side of described battery module is fixedly installed on described fixing foundation trench, and with described fixing foundation trench even
Connect；The another side of described battery module is connected with described battery cavities.
7. according to the device being realized battery shape changing detection by sensor assembly described in claims 1 to 3 any one,
It is characterized in that, described sensor assembly includes the dot matrix sensor of cross direction profiles and genesis analysis.
8. the method realizing battery shape changing detection by sensor assembly, it is characterised in that described in pass through sensor
Module realizes the method for battery shape changing detection and is applied to pass through sensor die as described in claim 1 to 7 any one
Block realizes the device of battery shape changing detection, and comprises the following steps:
Step S1, described circuit substrate detects in real time, until receiving at least one sensor in described sensor assembly
The triggering signal passed over；
Step S2, described circuit substrate send abort signal to described battery module closing the charging of battery module and
Electric discharge；
Step S3, waits until described sensor die block reset, then send reset signal to described circuit substrate；
Step S4, described circuit substrate send reset signal to described battery module recovering the charging of battery module and
Electric discharge.
The method realizing battery shape changing detection by sensor assembly the most according to claim 8, it is characterised in that
In described step S1, when the configuration of described battery module or local form reach outlier threshold, it is determined that battery mould
Block paramophia, described sensor assembly sends triggering signal to described circuit substrate.
The method realizing battery shape changing detection by sensor assembly the most according to claim 9, its feature exists
In, described outlier threshold is set to X0=h+X1+X2, wherein, X0Configuration or local shape for described battery module
The outlier threshold of state, h is the whole height of battery module, X1When normally working for battery module, produced flatulence of heat type is delayed
Rush space, X2For triggering the extruding key journey needed for any one sensor or range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610327992.8A CN105846003A (en) | 2016-05-17 | 2016-05-17 | Apparatus and method for realizing battery deformation detection through sensor module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610327992.8A CN105846003A (en) | 2016-05-17 | 2016-05-17 | Apparatus and method for realizing battery deformation detection through sensor module |
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| CN201610327992.8A Pending CN105846003A (en) | 2016-05-17 | 2016-05-17 | Apparatus and method for realizing battery deformation detection through sensor module |
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Cited By (6)
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| CN106412193A (en) * | 2016-09-28 | 2017-02-15 | 上海理工大学 | Anti-explosion monitoring device for smartphone battery |
| WO2017197585A1 (en) * | 2016-05-17 | 2017-11-23 | 深圳市思倍生电子科技有限公司 | Apparatus and method for achieving battery deformation detection by means of sensor module |
| CN108052046A (en) * | 2018-01-17 | 2018-05-18 | 深圳市思倍生电子科技有限公司 | A kind of portable emergent energy-storage system of intelligent protection |
| CN108663273A (en) * | 2018-04-11 | 2018-10-16 | 上海空间电源研究所 | Measure the test method of lithium ion battery mechanical deformation stress |
| CN109916365A (en) * | 2019-03-15 | 2019-06-21 | 江苏中兴派能电池有限公司 | A kind of battery pack bulging protective device, detection system and detection method |
| CN115799691A (en) * | 2022-11-17 | 2023-03-14 | 福耀玻璃工业集团股份有限公司 | UWB-based battery assembly and deformation early warning system thereof |
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Cited By (7)
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