CN110277594A - Soft-package battery expansion monitoring device, soft-package battery, terminal and electric product - Google Patents
Soft-package battery expansion monitoring device, soft-package battery, terminal and electric product Download PDFInfo
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- CN110277594A CN110277594A CN201910501828.8A CN201910501828A CN110277594A CN 110277594 A CN110277594 A CN 110277594A CN 201910501828 A CN201910501828 A CN 201910501828A CN 110277594 A CN110277594 A CN 110277594A
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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
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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
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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
- 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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Abstract
The disclosure is directed to a kind of soft-package battery expansion monitoring device, soft-package battery, terminal and electric products.The device is applied to soft-package battery, and soft-package battery includes packaging film layer and battery core, and packaging film layer is for packing battery core.The device includes: expansion sense film and induction monitoring module, and expansion sense film is covered on the surface of battery core or is covered on the surface of packaging film layer；Induction monitoring module is connect with expansion sense film, is monitored for the resistance value to expansion sense film, and determine whether soft-package battery is abnormal expansion according to monitoring result.Soft-package battery expansion monitoring device, soft-package battery, terminal and electric product provided by the embodiment of the present disclosure, can accurately judge that whether soft-package battery is abnormal expansion, and occupied space is small, at low cost.
Description
Technical field
This disclosure relates to electronic technology field more particularly to soft-package battery expansion monitoring device, soft-package battery, terminal and electricity
Movable property product.
Background technique
Soft-package battery is another call of polymer battery, compared with lithium ion battery, have it is small in size, light-weight,
A variety of advantages such as high, the highly-safe, flexible design of specific energy.Based on these advantages, be currently applied to electronics industry mobile phone,
In the terminals such as earphone and in the electric products such as electric car, electric bicycle, battery-operated motor cycle.
Soft-package battery most starts to expand then in the case where security risk occurs it is possible that explosion etc. occurs
Safety accident.In the related technology, the accuracy of the mode detected to the expansion of soft-package battery is low, can not distinguish soft-package battery
Abnormal expansion and circulation aging expansion between difference, and to soft-package battery expansion detection mode need to occupy soft-package battery
Or terminal or the biggish space of electric product.
Summary of the invention
To overcome the problems in correlation technique, the disclosure provides a kind of soft-package battery expansion monitoring device, Soft Roll electricity
Pond, terminal and electric product.
According to the first aspect of the embodiments of the present disclosure, a kind of soft-package battery expansion monitoring device, described device application are provided
In soft-package battery, the soft-package battery includes packaging film layer and battery core, and the packaging film layer is for packing the battery core, the dress
Setting includes: to expand sense film and induction monitoring module,
The expansion sense film is covered on the surface of the battery core or is covered on the surface of the packaging film layer；
The induction monitoring module is connect with the expansion sense film, is supervised for the resistance value to the expansion sense film
It surveys, and determines whether the soft-package battery is abnormal expansion according to monitoring result.
For above-mentioned apparatus, in one possible implementation, the expansion sense film includes at least one pressure-sensitive list
Member is connected in series between pressure-sensitive unit,
The pressure-sensitive unit includes: anode, cathode and pressure sensitive, and the pressure sensitive is located at the anode and bears with described
Between pole, anode, cathode and the pressure sensitive of all pressure-sensitive units in the expansion sense film are in same plane.
For above-mentioned apparatus, in one possible implementation, according to preset extending between the pressure-sensitive unit
Shape is connected in series,
Wherein, the extending shape includes any one of snakelike, S-shaped, "the" shape.
For above-mentioned apparatus, in one possible implementation, the overlay area of the expansion sense film is completely covered
The maximum swelling region of the battery core, and the size of the expansion sense film is greater than or equal to the ruler in the maximum swelling region
It is very little.
For above-mentioned apparatus, in one possible implementation, whether the soft-package battery is determined according to monitoring result
It is abnormal expansion, comprising:
The increased resistance value that the expansion sense film is determined according to monitoring result, according to the increased resistance value and the electricity
The corresponding relationship of core expansion, determines the expansion parameters of the battery core；
When the expansion parameters meet abnormal expansion condition, determine that the soft-package battery is abnormal expansion.
For above-mentioned apparatus, in one possible implementation, the expansion parameters include expansion rate, in speed of expansion
At least one,
Wherein, the expansion parameters meet abnormal expansion condition, include at least one of the following:
The expansion rate is greater than or equal to expansion rate threshold value；
The speed of expansion is greater than or equal to speed of expansion threshold value.
For above-mentioned apparatus, in one possible implementation, the induction monitoring module, comprising:
Abnormal expansion alarm submodule, described in when determining that the soft-package battery is abnormal expansion, control is installed
The main body of soft-package battery issues abnormal expansion alarm.
For above-mentioned apparatus, in one possible implementation, the induction monitoring module, comprising:
Abnormal expansion handles submodule, for carrying out abnormal expansion when determining that the soft-package battery is abnormal expansion
Processing,
Wherein, the abnormal expansion processing includes following any: controlling the soft-package battery and stops being that installation is described soft
It is the power installing the main body of the soft-package battery and being powered that the main body of packet battery, which powers, reduces the soft-package battery,.
According to the second aspect of an embodiment of the present disclosure, a kind of soft-package battery is provided, the soft-package battery includes above-mentioned Soft Roll
Cell expansion monitoring device.
According to the third aspect of an embodiment of the present disclosure, a kind of terminal is provided, the terminal includes:
Above-mentioned soft-package battery expansion monitoring device and soft-package battery, or
Above-mentioned soft-package battery.
According to a fourth aspect of embodiments of the present disclosure, a kind of electric product is provided, the electric product includes:
Above-mentioned soft-package battery expansion monitoring device and soft-package battery, or
Above-mentioned soft-package battery.
The technical scheme provided by this disclosed embodiment can include the following benefits: can accurately judge that Soft Roll electricity
Whether pond is abnormal expansion, and occupied space is small, at low cost.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1, Fig. 2 are a kind of section signals of soft-package battery expansion monitoring device shown according to an exemplary embodiment
Figure.
Fig. 3 is that putting down for sense film is expanded in a kind of soft-package battery expansion monitoring device shown according to an exemplary embodiment
Face expanded schematic diagram.
Fig. 4 is the structure of pressure-sensitive unit in a kind of soft-package battery expansion monitoring device shown according to an exemplary embodiment
Schematic diagram.
Fig. 5 is a kind of schematic cross-section of soft-package battery shown according to an exemplary embodiment.
Fig. 6 is a kind of block diagram of terminal shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1, Fig. 2 are a kind of section signals of soft-package battery expansion monitoring device shown according to an exemplary embodiment
Figure.As shown in Figure 1 and Figure 2, soft-package battery includes packaging film layer 11, battery core 13.Packaging film layer 11 is for packing battery core 13.Soft Roll
Cell expansion monitoring device includes expansion sense film 12 and induction monitoring module (not shown).Expansion sense film 12 is covered on
The surface (as shown in Figure 1) of battery core 13 or the surface (as shown in Figure 2) for being covered on packaging film layer 11.Induction monitoring module and expansion
Sense film 12 connects, and is monitored for the resistance value to expansion sense film 12, and whether determine soft-package battery according to monitoring result
It is abnormal expansion.
In the present embodiment, the material for packing film layer, which can be aluminum plastic film etc., can protect the material of battery core.Inflated sense is answered
Film with a thickness of 0.05mm~0.15mm, for example, the thickness of expansion sense film can be 0.1mm.In this way, can accurately monitor
While the swelling state of battery core, soft-package battery volume, weight are reduced, meets user to the size requirements of soft-package battery.
In the present embodiment, induction monitoring module can be set in the inside of soft-package battery, be easy to implement battery core expansion shape
The monitoring of state.Induction monitoring module can also be arranged in the terminal and/or electric product for being equipped with soft-package battery, with into one
The size of step reduction soft-package battery.
Fig. 3 is that putting down for sense film is expanded in a kind of soft-package battery expansion monitoring device shown according to an exemplary embodiment
Face expanded schematic diagram, Fig. 4 are pressure-sensitive units in a kind of soft-package battery expansion monitoring device shown according to an exemplary embodiment
Structural schematic diagram.In one possible implementation, as shown in figure 3, expansion sense film 12 may include at least one pressure
Quick unit 121 is connected in series between pressure-sensitive unit 121.As shown in figure 4, pressure-sensitive unit 121 may include: positive 1211, cathode
1212 and pressure sensitive 1213.Pressure sensitive 1213 is located between anode 1211 and cathode 1212, expands the institute in sense film 12
There are the anode 1211, cathode 1212 and pressure sensitive 1216 of pressure-sensitive unit 121 to be in same plane.
In one possible implementation, as shown in figure 3, the anode 1211 of all pressure-sensitive units 121 connects together,
The cathode 1212 of all pressure-sensitive units 121 connects together.The anode of multiple pressure-sensitive units 121 may be coupled to together, connection
On the positive terminal 122 of setting, the cathode of multiple pressure-sensitive units 121 may be coupled to the negative pole end 123 for together, being connected to setting
On.Induction monitoring module can directly be connect with positive terminal 122, negative pole end 123, to obtain the change in resistance feelings of expansion sense film
Condition.
In this implementation, the material of anode and cathode can be the metal material that silver etc. is easy to conductive.Inflated sense is answered
Film can be flexible circuit board (Flexible Printed Circuit abbreviation FPC).It can be in polyimides, polyester film etc.
Pressure-sensitive unit is prepared on substrate, obtains expansion sense film.For example, silver paste can be printed on substrate first to realize in pressure-sensitive unit
Pressure sensitive is then filled in the preparation of anode and cathode between a positive electrode and a negative electrode, obtains expansion sense film.
In one possible implementation, it can be connected in series according to preset extending shape between pressure-sensitive unit.
Wherein, extending shape may include any one of snakelike, S-shaped, "the" shape.
In this implementation, it is connected in series between pressure-sensitive unit according to extending shape, can refer to each pressure-sensitive unit
In pressure sensitive be connected in series according to extending shape, the pressure-sensitive units shared positive or negative pole of adjacent two, in this way, can be with
More pressure-sensitive units are set in the confined space of expansion sense film, improve the accuracy of expansion detection.Between pressure-sensitive unit
It is connected in series according to extending shape, inflated sense can be made to answer film that there is better ductility, so that expansion sense film is by electricity
Resistance variations caused by core expansion become apparent from.
In one possible implementation, the maximum swelling of battery core 13 is completely covered in the overlay area for expanding sense film 12
Region, and the size for expanding sense film 12 is greater than or equal to the size in maximum swelling region.
In this implementation, can be determined previously according to the shape of battery core, size, material, circulation aging rule etc. or
When prediction battery core expands, the size (thickness, length etc.) of battery core changes maximum position, and then determines that battery core is swollen in generation
Change maximum maximum swelling region when swollen.To guarantee accurately to judge that the swelling state of battery core, expansion sense film need at least complete
It is covered on the maximum swelling region of battery core.Battery core can also be completely covered in expansion sense film, can more accurately judge battery core
Swelling state, determine whether soft-package battery is abnormal expansion.
In this implementation, the overlay area for expanding sense film is bigger, the pressure-sensitive unit on expansion sense film is more, inspection
It surveys more accurate.
In one possible implementation, determine whether soft-package battery is abnormal expansion according to monitoring result, it can be with
Include:
The increased resistance value that expansion sense film is determined according to monitoring result is expanded according to increased resistance value with battery core corresponding
Relationship determines the expansion parameters of battery core；
When expansion parameters meet abnormal expansion condition, determine that soft-package battery is abnormal expansion.
Fig. 5 is a kind of schematic cross-section of soft-package battery shown according to an exemplary embodiment.As shown in figure 5, dotted line
Soft-package battery is respectively indicated under uninflated state with solid line and expands the schematic cross-section under state.It is assumed that expansion
Sense film is completely covered on the surface of battery core.In the state of battery core uninflated (solid line), induction monitoring module is to expansion
The resistance value of sense film is detected, and initial resistance value is obtained.Later, battery core expands (dotted line), respectively presses in induction monitoring module
Pressure sensitive pressure changes in quick unit, and electric conductivity changes, the inflated sense that induction monitoring module monitors arrive
The resistance value of film is answered to change.Induction monitoring module expands it according to the change in resistance and battery core of pre-set expansion sense film
Between corresponding relationship, determine the expansion parameters of battery core, and then judge whether soft-package battery is abnormal expansion.
In one possible implementation, expansion parameters may include at least one of expansion rate, speed of expansion.Its
In, expansion parameters meet abnormal expansion condition, and may include at least one of following: expansion rate is greater than or equal to expansion rate threshold value；
Speed of expansion is greater than or equal to speed of expansion threshold value.
Wherein, expansion rate is size (volume, thickness etc.) after battery core expands and (do not occur swollen under normal circumstances
It is swollen) the ratio between size (volume, thickness etc.).Speed of expansion is the size (volume, thickness etc.) after being expanded according to battery core
And time calculated electricity corresponding to the difference and the difference of the size (volume, thickness etc.) of (uninflated) under normal circumstances
Speed of expansion of the core within the unit time.
In this implementation, expansion rate can be set according to battery core expansion parameters corresponding in normal aging circulation
Threshold value and speed of expansion threshold value.In the different usage time intervals of battery core, different expansion rate threshold value and expansion speed can be set
Threshold value is spent, to realize the accurate detection of expansion.
In one possible implementation, induction monitoring module may include abnormal expansion alarm submodule.The exception
Expansion alarm submodule, for when determining that soft-package battery is abnormal expansion, the main body of control installation soft-package battery to issue different
Often expansion alarm.
In this implementation, the main body for installing soft-package battery can be any equipment or production for being able to use soft-package battery
Product, for example, the terminals such as mobile phone, computer, earphone, can also be the electronic production such as electric bicycle, battery-operated motor cycle, electric car
Product.Those skilled in the art, which can according to need, is configured main body, the disclosure to this with no restriction.
In this implementation, the main body of control installation soft-package battery issues abnormal expansion alarm, can be control main body
By one of sound, light, vibration or a variety of sending abnormal expansion alarms, so that the user using main body can basis
Abnormal expansion alarm determines that soft-package battery is abnormal expansion, and handles it in time.
In one possible implementation, induction monitoring module may include abnormal expansion processing submodule.It is abnormal swollen
Swollen processing submodule, for carrying out abnormal expansion processing when determining that soft-package battery is abnormal expansion.Wherein, abnormal expansion
Processing can be realized by way of reducing the electric current of soft-package battery and/or the input size of voltage.For example, abnormal expansion is handled
May include following any: it is the main body power supply for installing soft-package battery that control soft-package battery, which stops, reduction soft-package battery is peace
The power that the main body of dress soft-package battery is powered.
In this implementation, when determining that soft-package battery is abnormal expansion, abnormal expansion processing submodule is carried out
Abnormal expansion processing, be the expansion rate and speed of expansion in order to control soft-package battery (namely battery core).Control soft-package battery stops
Only it is the main body power supply of installation soft-package battery, is the safety in order to protect user, main body is avoided to be damaged because of abnormal expansion.
Reducing soft-package battery is the power installing the main body of soft-package battery and being powered, and is to guarantee that it is soft that user can continue to use
While packet battery, the expansion rate and speed of expansion of soft-package battery (namely battery core) are controlled, guarantees user security, also avoids main body
It is damaged because of abnormal expansion.
Soft-package battery expansion monitoring device provided by the embodiment of the present disclosure, applied to including battery core and for packing battery core
Packaging film layer soft-package battery, which includes: expansion sense film and induction monitoring module, and expansion sense film is covered on battery core
Surface or be covered on packaging film layer surface；Induction monitoring module is connect with expansion sense film, for expansion sense film
Resistance value is monitored, and determines whether soft-package battery is abnormal expansion according to monitoring result.The device can accurately judge that
Whether soft-package battery is abnormal expansion, and occupied space is small, at low cost.
The disclosure also provides a kind of soft-package battery, including above-mentioned soft-package battery expansion monitoring device.It can accurately judge that
Whether soft-package battery is abnormal expansion, and occupied space is small, at low cost.
The disclosure also provides a kind of terminal, which includes above-mentioned soft-package battery, or including soft-package battery and above-mentioned soft
Packet cell expansion monitoring device.Can accurately judge that whether soft-package battery is abnormal expansion, and occupied space it is small, at
This is low.
The disclosure also provides a kind of electric product, which includes above-mentioned soft-package battery, or including soft-package battery
With above-mentioned soft-package battery expansion monitoring device.It can accurately judge that whether soft-package battery is abnormal expansion, and occupied
Space is small, at low cost.
Fig. 6 is a kind of block diagram of terminal shown according to an exemplary embodiment.For example, device 800 can be mobile electricity
Words, computer, digital broadcasting terminal, messaging device, game console, tablet device, Medical Devices, body-building equipment are a
Personal digital assistant etc..
Referring to Fig. 6, device 800 may include following one or more components: processing component 802, memory 804, power supply
Component 806, multimedia component 808, audio component 810, the interface 812 of input/output (I/O), sensor module 814, and
Communication component 816.
The integrated operation of the usual control device 800 of processing component 802, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 802 may include that one or more processors 820 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 802 may include one or more modules, just
Interaction between processing component 802 and other assemblies.For example, processing component 802 may include multi-media module, it is more to facilitate
Interaction between media component 808 and processing component 802.
Memory 804 is configured as storing various types of data to support the operation in device 800.These data are shown
Example includes the instruction of any application or method for operating on device 800, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 806 provides electric power for the various assemblies of device 800.Power supply module 806 may include power management system
System, one or more power supplys and other with for device 800 generate, manage, and distribute the associated component of electric power.
Multimedia component 808 includes the screen of one output interface of offer between described device 800 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 808 includes a front camera and/or rear camera.When device 800 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 810 is configured as output and/or input audio signal.For example, audio component 810 includes a Mike
Wind (MIC), when device 800 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 804 or via communication set
Part 816 is sent.In some embodiments, audio component 810 further includes a loudspeaker, is used for output audio signal.
I/O interface 812 provides interface between processing component 802 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 814 includes one or more sensors, and the state for providing various aspects for device 800 is commented
Estimate.For example, sensor module 814 can detecte the state that opens/closes of device 800, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 800, and sensor module 814 can be with 800 1 components of detection device 800 or device
Position change, the existence or non-existence that user contacts with device 800,800 orientation of device or acceleration/deceleration and device 800
Temperature change.Sensor module 814 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 814 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 800 and other equipment.Device
800 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 800 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 804 of instruction, above-metioned instruction can be executed by the processor 820 of device 800 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (11)
1. a kind of soft-package battery expansion monitoring device, described device is applied to soft-package battery, and the soft-package battery includes packaging film
Layer and battery core, the packaging film layer is for packing the battery core, which is characterized in that described device includes: expansion sense film and sense
Monitoring modular is answered,
The expansion sense film is covered on the surface of the battery core or is covered on the surface of the packaging film layer；
The induction monitoring module is connect with the expansion sense film, is monitored for the resistance value to the expansion sense film,
And determine whether the soft-package battery is abnormal expansion according to monitoring result.
2. the apparatus according to claim 1, which is characterized in that the expansion sense film includes at least one pressure-sensitive unit,
It is connected in series between pressure-sensitive unit,
The pressure-sensitive unit includes: anode, cathode and pressure sensitive, the pressure sensitive be located at the anode and the cathode it
Between, anode, cathode and the pressure sensitive of all pressure-sensitive units in the expansion sense film are in same plane.
3. the apparatus of claim 2, which is characterized in that according to preset extending shape between the pressure-sensitive unit
It is connected in series,
Wherein, the extending shape includes any one of snakelike, S-shaped, "the" shape.
4. the apparatus according to claim 1, which is characterized in that the overlay area of the expansion sense film is completely covered described
The maximum swelling region of battery core, and the size of the expansion sense film is greater than or equal to the size in the maximum swelling region.
5. the apparatus according to claim 1, which is characterized in that determine whether the soft-package battery occurs according to monitoring result
Abnormal expansion, comprising:
The increased resistance value of the expansion sense film is determined according to monitoring result, it is swollen according to the increased resistance value and the battery core
Swollen corresponding relationship determines the expansion parameters of the battery core；
When the expansion parameters meet abnormal expansion condition, determine that the soft-package battery is abnormal expansion.
6. device according to claim 5, which is characterized in that the expansion parameters include expansion rate, in speed of expansion
At least one,
Wherein, the expansion parameters meet abnormal expansion condition, include at least one of the following:
The expansion rate is greater than or equal to expansion rate threshold value；
The speed of expansion is greater than or equal to speed of expansion threshold value.
7. the apparatus according to claim 1, which is characterized in that the induction monitoring module, comprising:
Abnormal expansion alarm submodule, for when determining that the soft-package battery is abnormal expansion, the Soft Roll to be installed in control
The main body of battery issues abnormal expansion alarm.
8. the apparatus according to claim 1, which is characterized in that the induction monitoring module, comprising:
Abnormal expansion handles submodule, for carrying out abnormal expansion processing when determining that the soft-package battery is abnormal expansion,
Wherein, the abnormal expansion processing includes following any: controlling the soft-package battery and stops to install the Soft Roll electricity
It is the power installing the main body of the soft-package battery and being powered that the main body in pond, which powers, reduces the soft-package battery,.
9. a kind of soft-package battery, which is characterized in that the soft-package battery includes the electricity of Soft Roll described in claim 1-8 any one
Pond expansion monitoring device.
10. a kind of terminal, which is characterized in that the terminal includes:
Soft-package battery expansion monitoring device and soft-package battery described in claim 1-8 any one, or
Soft-package battery as claimed in claim 9.
11. a kind of electric product, which is characterized in that the electric product includes:
Soft-package battery expansion monitoring device and soft-package battery described in claim 1-8 any one, or
Soft-package battery as claimed in claim 9.
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| CN201910501828.8A CN110277594A (en) | 2019-06-11 | 2019-06-11 | Soft-package battery expansion monitoring device, soft-package battery, terminal and electric product |
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| CN201910501828.8A CN110277594A (en) | 2019-06-11 | 2019-06-11 | Soft-package battery expansion monitoring device, soft-package battery, terminal and electric product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378331A (en) * | 2020-11-09 | 2021-02-19 | 维沃移动通信有限公司 | Electronic device, battery deformation detection method, and readable storage medium |
| CN113097587A (en) * | 2021-03-31 | 2021-07-09 | 珠海冠宇电池股份有限公司 | Battery with a battery cell |
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| CN113097587A (en) * | 2021-03-31 | 2021-07-09 | 珠海冠宇电池股份有限公司 | Battery with a battery cell |
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