CN106960984A - Battery, terminal and battery protecting method - Google Patents
Battery, terminal and battery protecting method Download PDFInfo
- Publication number
- CN106960984A CN106960984A CN201710082895.1A CN201710082895A CN106960984A CN 106960984 A CN106960984 A CN 106960984A CN 201710082895 A CN201710082895 A CN 201710082895A CN 106960984 A CN106960984 A CN 106960984A
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- Prior art keywords
- battery
- pressure
- terminal
- control chip
- pressure sensor
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/005—Measuring force or stress, in general by electrical means and not provided for in G01L1/06 - G01L1/22
-
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to electronic technology field, a kind of battery, terminal and battery protecting method are disclosed.The battery includes battery core, battery protecting plate, battery case and pressure sensor；Wherein, battery case coats battery core and battery protecting plate, and battery protecting plate is electrically connected with the positive and negative lug of battery core；Battery protecting plate is provided with control chip and the pressure sensing chip electrically connected with control chip；Pressure sensor is fixed on battery case, and covering battery core region, and pressure sensor is electrically connected to pressure sensing chip.Battery provided in an embodiment of the present invention, terminal and battery protecting method; realize the timely detection to the deformation phenomenon such as battery bulge, damage; the accuracy of testing result is improved, be effectively prevent because of situations such as battery bursts injury to terminal and user caused by battery deformation.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of battery, terminal and battery protecting method.
Background technology
With the popularization of electronic product, the supporting battery of electronic product is more and more, to battery performance and service life
Etc. all requirements also more and more higher.Deformation that battery occurs in use, protrusion phenomenon can influence the use longevity of battery
Cause battery leakage, rupture blow, burn under life, serious conditions, even result in the security incidents such as blast, fire, it is therefore desirable to
Battery bulge phenomenon is detected in time.
Currently in order to technology for detection is carried out to the deformation such as battery bulge, damage phenomenon, typically by the side manually patrolled
Formula detects battery deformation situation.But during the present invention is realized, inventor has found to ask in the presence of some in the prior art
Topic：The artificial inspection mode taken at present, it is impossible to realize real time on-line monitoring, and because analyze data is not specific enough, fall
Deformation degree and correlation analysis are mainly by experience, making it difficult to find the deformation phenomenons, nothing such as battery trickle in early days bulge, damage
Method is prevented effectively from when running into above-mentioned situation in the case of user is undefended, the injury that can be caused during using terminal.
The content of the invention
The purpose of embodiment of the present invention is to provide a kind of battery, terminal and battery protecting method, is realized to battery
The timely detection of the deformation phenomenon such as bulge, damage, improves the accuracy of testing result, effectively prevent because battery deformation is led
Injury of situations such as battery of cause is burst to terminal and user.
In order to solve the above technical problems, embodiments of the present invention provide a kind of battery, including：Battery core, battery protection
Plate, battery case and pressure sensor；Wherein, battery case cladding battery core and battery protecting plate, and battery protecting plate and battery core
Positive and negative lug electrical connection；Battery protecting plate is provided with control chip and the pressure sensing chip electrically connected with control chip；Pressure
Sensor is fixed on battery case, and covering battery core region, and pressure sensor is electrically connected to pressure sensing chip.
Embodiments of the present invention additionally provide a kind of terminal including charging circuit, processor and above-mentioned state battery；Fill
Circuit and battery are electrically connected with processor respectively, charging circuit and battery electrical connection.
Embodiments of the present invention additionally provide a kind of battery protecting method, the electricity provided based on any embodiment of the present invention
Pond, including：When battery is in charged state, pressure sensing chip obtains the pressure value of pressure sensor, and reports to control
Chip；Control chip is according to pressure value, and control is applied to the voltage of battery core and/or the electric current of control input battery core.
Embodiments of the present invention additionally provide a kind of battery protecting method, are provided applied to any embodiment of the present invention
Terminal, including：Processor receives the pressure information from battery；Processor analyzes pressure information, control charging circuit output
Voltage and/or electric current and/or the voltage and/or electric current of control battery output.
Embodiment of the present invention in terms of existing technologies, by the way that pressure sensor is fixed on into battery case, and is covered
In battery core region, and pressure sensor is electrically connected to the pressure for being arranged at and being electrically connected on battery protecting plate with control chip
On sensing chip, during charging, discharging electric batteries, control chip can be obtained by the pressure sensing chip being electrically connected
To when battery core changes, the pressure value that pressure sensor is detected accurately obtains so as to the change according to pressure value
The deformation degree of battery, substantially increases the accuracy to battery shape changing detection result.
In addition, pressure sensor is made with e-inks, and it is printed onto battery-shell surface.Pressure sensor is by using electricity
Sub- printing ink to manufacture, so as to be directly printed onto battery-shell surface, preparation technology is simple, and will not increase the thickness and again of battery
Amount, meets user's use demand.
In addition, pressure sensor is made by electric thin, and it is fitted in battery-shell surface.Pressure sensor is by using electricity
Sub- film makes, and is fixed on battery-shell surface by way of laminating, so as to be fitted as needed.
In addition, terminal also includes warning circuit；Warning circuit is electrically connected with processor.One alarm electricity is set in terminal
Road, and warning circuit is electrically connected with processor, by the control to warning circuit, so that when battery has abnormal, in time
User is reminded, user security has been ensured.
In addition, pressure sensing chip is obtaining the pressure value of pressure sensor, and when reporting to control chip, also obtain each
Pressure value location in battery core, and report to control chip.By the way that by pressure value, location is reported in battery core
To control chip, so as to determine the deformation of battery core according to the pressure value of current location whether in normal range (NR), further
Improve the accuracy of the testing result to battery deformation.
In addition, control chip is according to pressure value, control be applied to battery core voltage and/or control input battery core electric current it
Afterwards, battery protecting method also includes：Control chip sends pressure information to the processor of terminal；Wherein, pressure information includes pressure
Force value and corresponding position.By sending pressure information to the processor of terminal, operated by the processor of terminal is further
Processing, so as to accomplish to be controlled from source, further ensure the service life of battery, and user is in use
Safety.
In addition, processor analyzes pressure information, specifically include：The pressure value of battery each position is recorded, analysis obtains battery
Deformation data；When deformation data matches with default alarm parameters, triggering alarm；Wherein, default alarm parameters lead to
Simulation test battery deformation to the critical parameters of battery explosion are crossed to obtain.The embodiments of the invention provide a kind of processor to pressure
The specific analytical method of information, by the way that deformation data is compared with default alarm parameters so that data analysis more has
Body, analysis result is more accurate.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The element with same reference numbers label is expressed as similar element in the bright restriction not constituted to embodiment, accompanying drawing, removes
Composition is not limited the non-figure having in special statement, accompanying drawing.
Fig. 1 is the structural representation of the battery of first embodiment of the invention；
Fig. 2 be first embodiment of the invention battery in pressure sensor be fixed on the structural representation of battery core region
Figure；
Fig. 3 be second embodiment of the invention battery in pressure sensor coat the structural representation of whole battery core；
Fig. 4 is the internal components connection diagram of the terminal of third embodiment of the invention；
Fig. 5 is the internal components connection diagram of the terminal of four embodiment of the invention；
Fig. 6 is the flow chart of the battery protecting method of fifth embodiment of the invention；
Fig. 7 is the flow chart of the battery protecting method of sixth embodiment of the invention；
Fig. 8 is the flow chart of the battery protecting method of seventh embodiment of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with each reality of the accompanying drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the invention,
In order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs and base
Many variations and modification in following embodiment, can also realize the application technical scheme claimed.
The first embodiment of the present invention is related to a kind of battery, as shown in Figure 1, 2.The battery includes：Battery core 1, battery are protected
Backplate 2, battery case 3 and pressure sensor 4.Wherein, the cladding battery core 1 of battery case 3 and battery protecting plate 2, and battery protecting plate 2
Anode ear 1-1, negative electrode lug 1-2 with battery core are electrically connected.
In addition, provided with control chip 2-1 and the pressure sense die electrically connected with control chip 2-1 on battery protecting plate 2
Piece 4-1.
Specifically, the positive and negative lug of battery core 1 is really what is be connected with the dew copper region on battery protecting plate 2, in reality
The positive and negative lug of battery core 1 can also overturn the dew copper being connected on setting, corresponding battery protecting plate 2 with positive and negative lug in
Region is corresponded therewith.
It is noted that in the prior art, battery protecting plate 2 is mainly used in charging process carrying out battery core 1
Protection and Cross prevention are filled, the negative electrode lug 1-2 of battery core 1 and bearing for peripheral hardware can be connected by way of shunting in actual applications
Pole is to reduce heating.
Pressure sensor 4 is fixed on battery case 3, and is covered in the region where battery core 1, and the electricity of pressure sensor 4
It is connected on the pressure sensing chip 4-1 on battery protecting plate 2.
In addition, the pressure sensor 4 in present embodiment can be made using e-inks, it would however also be possible to employ electronics
Film is made.It should be noted that when making pressure sensor 4 using e-inks, after battery case 3 is prepared,
E-inks are directly printed onto the surface of battery case 3；When preparing pressure sensor 4 using electric thin, pressure is used as
The electric thin that sensor 4 is used is manufactured separately, it is necessary to which electric thin is fitted on battery case 3 after preparing.No
Pipe is to prepare pressure sensor 4 using e-inks or electric thin, and concrete structure relation can be as shown in Figure 2.
In addition, it is noted that in actual applications, pressure sensor 4 can also use flexible PCB FPC systems
Make, selection suitable material makes as needed, is not limited here.
Compared with prior art, the battery in present embodiment by pressure sensor by being fixed on battery case, and covering
In battery core region, and pressure sensor is electrically connected to the pressure for being arranged at and being electrically connected on battery protecting plate with control chip
On sensing chip, during charging, discharging electric batteries, control chip can be obtained by the pressure sensing chip being electrically connected
To when battery core changes, the pressure value that pressure sensor is detected accurately obtains so as to the change according to pressure value
The deformation degree of battery, substantially increases the accuracy to battery shape changing detection result.
Second embodiment of the present invention is related to a kind of battery, and present embodiment is done on the basis of first embodiment
Further improve, specific improvements are：Between battery case 3 and battery core 1, directly coat one and be laminated force snesor, specific knot
Structure relation is as shown in Figure 3.
Compared with prior art, the battery in present embodiment by by make pressure sensor 4 e-inks or
Electric thin can be directly printed or be fitted on the whole battery case 3 of the region of battery core 1, so that battery core 1 be coated completely
Inside, the detection to the deformation of whole battery core optional position is realized, the standard to battery deformation degree detecting result is further increased
True property.
Third embodiment of the present invention is related in a kind of terminal, present embodiment each device annexation in terminal such as
Shown in Fig. 4.
Terminal 200 includes：Battery 100 in charging circuit 201, processor 202 and any embodiment of the present invention.Its
In, charging circuit 201 and battery 100 are electrically connected with processor 202 respectively, charging circuit and battery electrical connection.
Charging circuit 201 is used to charge to battery 100.Processor 201 is used to receive the pressure information from battery,
And the pressure information received is analyzed, the voltage and/or electric current that charging circuit 201 is exported are controlled according to analysis result.
In actual applications, processor 202 can both control to fill simultaneously when controlling the output of charging circuit 201 according to analysis result
The voltage and current that circuit 201 is exported, can also select one and is controlled, do not repeat here according to actual analysis result.
In addition, it is noted that processor analysis pressure information after, not only can according to analysis result control charge
The output of circuit 201, such as voltage, electric current；The output of battery 100, such as voltage, electric current, tool can also be controlled according to analysis result
Body can be controlled according to actual conditions.
Such as, when the battery in terminal only exists in charging, that is, charging equipment is accessed, and terminal is currently at pass
Machine state, can directly control the output of charging circuit 201, it is to avoid the deformation degree increase of battery.
Also such as, when the battery in terminal only exists in electric discharge, i.e., do not access charging equipment, but terminal is currently at
Standby or use state, can directly control the output of battery 100, so as to avoid battery from continuing deformation.
Also such as, battery in terminal has accessed charging equipment both in charging, and in outside electric discharge, and
And terminal is currently at standby or use state, output and the battery 100 of charging circuit 201 can be according to circumstances controlled simultaneously
Output, or select a control.
Compared with prior art, the terminal in present embodiment, processor by receiving the pressure information from battery, and
Analyzed, charging circuit, battery are controlled accordingly according to analysis result, realized and charging circuit, battery are exported
Control, so as to avoid the battery in terminal from occurring abnormal formation, it is ensured that the safety of battery and user.
The 4th embodiment of the present invention is related to a kind of terminal, and present embodiment is done on the basis of the 3rd embodiment
Further improve, specific improvements are：Warning circuit 203 is additionally arranged in terminal 200.
As shown in figure 5, the terminal 200 in present embodiment, except including the device shown in Fig. 4, also including alarm electricity
Road 203.
Specifically, warning circuit 203 is electrically connected with processor 202, so that provided in 202 pairs of processor from battery 100
After pressure information is analyzed, and the deformation data and default alarm parameters phase of obtained battery are analyzed in processor 202
When coincideing, triggering warning circuit 203 is alarmed, and the battery so as to remind user's present terminal in time stops in the presence of abnormal
Present terminal is only used, and it is remote.
Compared with prior art, the terminal in present embodiment, by setting up a warning circuit electrically connected with processor,
When the deformation data for analyzing obtained battery in processor matches with default alarm parameters, triggering warning circuit is reported
Alert, the battery so as to remind user's present terminal in time stops using present terminal in the presence of abnormal, and remote, effectively keeps away
Exempt from because of situations such as battery bursts injury to user caused by the phenomenons such as battery bulge.
The 5th embodiment of the present invention is related to a kind of battery protecting method.In present embodiment, charging is in battery
During state, pressure sensing chip obtains the pressure value of pressure sensor, and reports to control chip；Control chip is according to pressure
Value, control is applied to the voltage of battery core and/or the electric current of control input battery core.Idiographic flow is as shown in fig. 6, it includes：
In step 601, pressure sensing chip obtains the pressure value of pressure sensor, and reports to control chip.
Specifically, when battery is in charged state, pressure sensing chip is real-time or obtains at predetermined intervals
The pressure value of pressure force snesor.
Because the battery core of battery can be deformed upon with charging process, and pressure sensor is integrally fixed at battery-shell surface,
And region where battery core is covered in, the pressure value of pressure sensor can be changed due to the deformation of battery core, therefore, with
The pressure sensing chip of pressure sensor electrical connection needs to obtain the pressure of pressure sensor in real time or at predetermined intervals
Force value, so as to according to the pressure value got, the complete deformation situation of accurate recording battery.
In addition, pressure sensing chip is getting the pressure value of pressure sensor, and when reporting to control chip, also obtain
Each pressure value location in battery core, together reports to control chip.
Specifically, because the deformation situation that the battery core of battery occurs in charging process can be because of the electricity in charging process
The difference of pressure or electric current and the duration that charges, produces different deformation, in addition, battery is being used in the diverse location of battery
In, also due to falling causes diverse location to send different degrees of deformation, therefore, pressure sensing chip reports what is got
When pressure value is to control chip, while obtaining pressure value particular location residing in battery core together reports to control chip, from
And can more accurately judge battery formational situation.
In step 602, control chip is according to pressure value, and control is applied to the voltage of battery core, terminates this battery protection
Flow.
Specifically, because in inside battery, the control chip being arranged on battery protecting plate is with being similarly provided at battery
Pressure sensing chip electrical connection on protection board, therefore the pressure that control chip can be reported directly according to pressure sensing chip
Value, determines the voltage being applied in battery core, the voltage of battery core is applied to by control, so as to reach in charging process to battery
Protection.
It is noted that in actual applications, control chip, not only can root when control is applied to the voltage of battery core
It is controlled according to the pressure value obtained from pressure sensing chip, can be combined with pressure value that pressure sensing chip reports in battery core
Location is specifically analyzed, so as to decide whether to adjust the voltage for being applied to battery core, improves accuracy.
In addition, it is necessary to explanation, control chip according to pressure value or combination pressure value in battery core residing for it is specific
Position, when control is applied to the voltage of battery core, the electric current of acceptable control input battery core simultaneously, or a control is selected, here not
It is limited, in actual applications, the pressure value and pressure value that control chip can be reported according to pressure sensing chip are in battery core institute
The particular location at place to being applied to the power supply of battery core, the electric current of input battery core rationally control.
Compared with prior art, the battery protecting method in present embodiment, when battery is in charged state, pressure is passed
Sense chip is reported to the control chip being electrically connected by obtaining the pressure value of pressure sensor, so that and pressure sensing
The control chip of chip electrical connection can determine voltage and/or control input electricity of the control in battery core according to the pressure value reported
The electric current of core, reaches the effect of control battery deformation, has ensured battery and the safety of user.
The 6th embodiment of the present invention is related to a kind of battery protecting method.Present embodiment is on the basis of the 5th implements
Further improvement is done, specific improvements are：Control chip is applied to after the voltage of battery core according to pressure value, control, is controlled
Coremaking piece sends pressure information to the processor of terminal, and idiographic flow is as shown in Figure 7.
In step 701, pressure sensing chip obtains the pressure value of pressure sensor, and reports to control chip.
In a step 702, control chip is according to pressure value, and control is applied to the voltage of battery core.
Because step 701 and step 702 are roughly the same with the step 601 and step 602 in the 5th embodiment, it is intended to when
When battery is in charged state, pressure sensing chip obtains the pressure value of pressure sensor, and reports to control chip, then controls
Coremaking piece is applied to the voltage of battery core according to pressure value, control, and here is omitted.
In step 703, control chip sends pressure information to the processor of terminal, terminates this battery protection flow.
Specifically, pressure value is specifically included in the pressure information that control chip is sent to the processor of terminal and corresponding
Position.
By the way that the pressure value and pressure value of pressure sensor are sent in the particular location residing for battery core as pressure information
To the processor of terminal, pressure information can be analyzed by the processor of terminal, realize control control charging circuit and/or
The output of battery, specific such as voltage, electric current, so as to reach the charge and discharge that battery is directly controlled from source, is fundamentally limited
The deformation of battery is made.
Compared with prior art, the battery protecting method in present embodiment, control chip includes pressure value by sending
The pressure information of position corresponding with pressure value is to the processor of terminal, and the processor of terminal does further operation processing,
Accomplish to be controlled from source, further ensure the service life of battery core, and the safety of user in use.
The 7th embodiment of the present invention is related to a kind of battery protecting method, and idiographic flow is as shown in Figure 8.
In step 801, the pressure information from battery is received.
Specifically, processor can be divided the pressure information received after the pressure information from battery is received
Analysis.
It should be noted that the pressure information that processor is received in present embodiment specifically includes the pressure of pressure sensor
Force value and corresponding with the pressure value the location of in battery core, in actual applications can also be according to battery, terminal
Use environment etc. sets the content that the pressure information sent by control chip to terminal handler is specifically write, and such as adds correspondence position
The duration for the pressure value put, so as to further increase accuracy when analyzing pressure information, is not limited here.
In step 802, pressure information, and the voltage for controlling charging circuit to export are analyzed, terminates this battery protection stream
Journey.
Specifically, analysis of the processor to pressure information mainly can be by recording battery each position in pressure information
Pressure value, the deformation data of battery is obtained by the analysis to record data, when obtained deformation data is joined with default alarm
When number matches, processor can send corresponding control command, trigger the warning circuit alarm being electrically connected, so as to point out to use
Battery in the present terminal of family is deformed upon so that user can according to circumstances carry out maintenance process etc..
It should be noted that default alarm parameters are quick-fried to battery by the deformation of simulation test battery in present embodiment
What fried critical parameters were obtained, in order to ensure the accuracy of default alarm parameters, multiple simulation test can be carried out, is fully examined
Consider not by External force interference and fallen, the External force interference such as extrude in the case of battery explosion critical parameters, so as to enrich
The data contrasted so that analysis comparing result is more accurate, so as to greatly improve the result to battery deformation degree detecting.
It is noted that in actual applications, processor is except can be according to the analysis result to pressure information to filling
The voltage of electric circuit output is controlled, the electric current that charging circuit can also be controlled to export, or control charging circuit is defeated simultaneously
The voltage and current gone out, is no longer repeated one by one here.
In addition, under non-charged state, because user is used terminal, the unreasonable of battery, will also result in battery
Different degrees of deformation, therefore processor can also control the output voltage and electricity of battery according to the analysis result to pressure information
Stream, or select a control.Deformation degree of course for the battery for making terminal is controlled better and detects, can also basis
Actual conditions are controlled to the output selectivity of the output of charging circuit and battery, are not limited here.
Compared with prior art, the battery protecting method in present embodiment, processor passes through to receiving from electricity
The pressure information in pond is analyzed, and controls the output of charging circuit, battery according to analysis result, it is achieved thereby that in terminal
The analysis of battery deformation degree promptly and accurately, it is possible to corresponding safeguard measure is carried out according to analysis result, conservative end has been reached
The purpose at end, battery and user security.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of battery, it is characterised in that including：Battery core, battery protecting plate, battery case and pressure sensor；
Wherein, the battery case coats the battery core and the battery protecting plate, and the battery protecting plate and the battery core
Positive and negative lug electrical connection；The battery protecting plate is provided with control chip and the pressure sensing electrically connected with the control chip
Chip；
The pressure sensor is fixed on the battery case, and covers the battery core region, and the pressure sensor is electrically connected
It is connected to the pressure sensing chip.
2. battery according to claim 1, it is characterised in that the pressure sensor is made with e-inks, and is printed
To the battery-shell surface.
3. battery according to claim 1, it is characterised in that the pressure sensor is made by electric thin, and is fitted
In the battery-shell surface.
4. a kind of terminal, it is characterised in that including：Charging circuit, processor and as described in claims 1 to 3 any one
Battery；
The charging circuit and the battery are electrically connected with the processor respectively, and the charging circuit and the battery are electrically connected
Connect.
5. terminal according to claim 4, it is characterised in that the terminal also includes warning circuit；
The warning circuit is electrically connected with the processor.
6. a kind of battery protecting method, it is characterised in that based on the battery described in claims 1 to 3 any one；The battery
Guard method includes：
When the battery is in charged state, the pressure value of the pressure sensing chip acquisition pressure sensor, and on
Report to the control chip；
The control chip is applied to battery core described in the voltage and/or control input of the battery core according to the pressure value, control
Electric current.
7. battery protecting method according to claim 6, it is characterised in that the pressure sensing chip is obtaining the pressure
The pressure value of force snesor, and when reporting to the control chip, each pressure value location in the battery core is also obtained,
And report to the control chip.
8. battery protecting method according to claim 7, it is characterised in that the control chip according to the pressure value,
Control is applied to after the electric current of battery core described in the voltage of the battery core and/or control input, and the battery protecting method is also wrapped
Include：
The control chip sends pressure information to the processor of terminal；Wherein, the pressure information includes pressure value and correspondingly
Position.
9. a kind of battery protecting method, it is characterised in that applied to the terminal as described in claim 4 or 5；The battery protection
Method includes：
The processor receives the pressure information from the battery；
The processor analyzes the pressure information, controls voltage and/or electric current and/or the control institute of the charging circuit output
State the voltage and/or electric current of battery output.
10. battery protecting method according to claim 9, it is characterised in that the processor analyzes the pressure information,
Specifically include：
The pressure value of battery each position is recorded, analysis obtains the deformation data of battery；
When the deformation data matches with default alarm parameters, triggering alarm；Wherein, the default alarm parameters lead to
Simulation test battery deformation to the critical parameters of battery explosion are crossed to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082895.1A CN106960984A (en) | 2017-02-16 | 2017-02-16 | Battery, terminal and battery protecting method |
Applications Claiming Priority (1)
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| CN107702679A (en) * | 2017-08-15 | 2018-02-16 | 珠海格力节能环保制冷技术研究中心有限公司 | The detection means and detection method of bus capacitor, electric equipment |
| CN108242835A (en) * | 2017-12-07 | 2018-07-03 | 深圳依偎控股有限公司 | A kind of method and system based on smart machine charge protection |
| CN109298345A (en) * | 2018-09-25 | 2019-02-01 | 联想(北京)有限公司 | A kind of battery check device and electronic equipment |
| CN110429326A (en) * | 2019-06-21 | 2019-11-08 | 宣城市泰宇电池有限公司 | A kind of self protection type's lithium battery and its guard method |
| CN110649675A (en) * | 2019-09-26 | 2020-01-03 | Oppo（重庆）智能科技有限公司 | Charging control method and device, electronic equipment and computer readable storage medium |
| CN110988718A (en) * | 2019-12-20 | 2020-04-10 | 荣盛盟固利新能源科技有限公司 | Test system and method for measuring expansion stress of lithium ion battery |
| CN111344532A (en) * | 2018-01-22 | 2020-06-26 | 宝马股份公司 | Detection device for detecting deformation of a high-voltage energy storage housing of a motor vehicle |
| CN112103576A (en) * | 2020-09-21 | 2020-12-18 | 北京理工大学 | Intelligent battery |
| WO2021036371A1 (en) * | 2019-08-29 | 2021-03-04 | 中兴通讯股份有限公司 | Battery bulge detection method and apparatus, battery, and computer-readable storage medium |
| CN112526365A (en) * | 2020-11-26 | 2021-03-19 | 武汉飞恩微电子有限公司 | Method, device, storage medium and apparatus for detecting battery state |
| CN112582694A (en) * | 2020-12-10 | 2021-03-30 | 华霆（合肥）动力技术有限公司 | Cell pressure control method, device and system and electronic equipment |
| CN114696123A (en) * | 2020-12-28 | 2022-07-01 | 北京小米移动软件有限公司 | Battery protection plate and manufacturing method thereof, battery and terminal |
| CN114696048A (en) * | 2021-06-21 | 2022-07-01 | 宁波大学 | Lithium ion battery pack and battery management system |
| CN116780009A (en) * | 2023-08-25 | 2023-09-19 | 宁德时代新能源科技股份有限公司 | Battery and electricity utilization device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107702679A (en) * | 2017-08-15 | 2018-02-16 | 珠海格力节能环保制冷技术研究中心有限公司 | The detection means and detection method of bus capacitor, electric equipment |
| CN108242835A (en) * | 2017-12-07 | 2018-07-03 | 深圳依偎控股有限公司 | A kind of method and system based on smart machine charge protection |
| CN108242835B (en) * | 2017-12-07 | 2021-07-20 | 深圳依偎控股有限公司 | Method and system based on intelligent equipment charging protection |
| CN111344532A (en) * | 2018-01-22 | 2020-06-26 | 宝马股份公司 | Detection device for detecting deformation of a high-voltage energy storage housing of a motor vehicle |
| US11703313B2 (en) | 2018-01-22 | 2023-07-18 | Bayerische Motoren Werke Aktiengesellschaft | Detection device for detecting a deformation of a housing of a high-voltage accumulator of a motor vehicle |
| CN109298345A (en) * | 2018-09-25 | 2019-02-01 | 联想(北京)有限公司 | A kind of battery check device and electronic equipment |
| CN110429326A (en) * | 2019-06-21 | 2019-11-08 | 宣城市泰宇电池有限公司 | A kind of self protection type's lithium battery and its guard method |
| WO2021036371A1 (en) * | 2019-08-29 | 2021-03-04 | 中兴通讯股份有限公司 | Battery bulge detection method and apparatus, battery, and computer-readable storage medium |
| CN110649675A (en) * | 2019-09-26 | 2020-01-03 | Oppo（重庆）智能科技有限公司 | Charging control method and device, electronic equipment and computer readable storage medium |
| CN110649675B (en) * | 2019-09-26 | 2021-10-01 | Oppo（重庆）智能科技有限公司 | Charging control method and device, electronic equipment and computer readable storage medium |
| CN110988718A (en) * | 2019-12-20 | 2020-04-10 | 荣盛盟固利新能源科技有限公司 | Test system and method for measuring expansion stress of lithium ion battery |
| CN112103576A (en) * | 2020-09-21 | 2020-12-18 | 北京理工大学 | Intelligent battery |
| CN112103576B (en) * | 2020-09-21 | 2021-06-22 | 北京理工大学 | Intelligent battery |
| US11894526B2 (en) | 2020-09-21 | 2024-02-06 | Beijing Institute Of Technology | Smart battery |
| CN112526365A (en) * | 2020-11-26 | 2021-03-19 | 武汉飞恩微电子有限公司 | Method, device, storage medium and apparatus for detecting battery state |
| CN112582694A (en) * | 2020-12-10 | 2021-03-30 | 华霆（合肥）动力技术有限公司 | Cell pressure control method, device and system and electronic equipment |
| CN112582694B (en) * | 2020-12-10 | 2022-04-19 | 华霆（合肥）动力技术有限公司 | Cell pressure control method, device and system and electronic equipment |
| CN114696123A (en) * | 2020-12-28 | 2022-07-01 | 北京小米移动软件有限公司 | Battery protection plate and manufacturing method thereof, battery and terminal |
| CN114696048A (en) * | 2021-06-21 | 2022-07-01 | 宁波大学 | Lithium ion battery pack and battery management system |
| CN116780009A (en) * | 2023-08-25 | 2023-09-19 | 宁德时代新能源科技股份有限公司 | Battery and electricity utilization device |
| CN116780009B (en) * | 2023-08-25 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | Battery and electricity utilization device |
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