CN106537722A - Battery protection board, battery and mobile terminal - Google Patents
Battery protection board, battery and mobile terminal Download PDFInfo
- Publication number
- CN106537722A CN106537722A CN201680001790.2A CN201680001790A CN106537722A CN 106537722 A CN106537722 A CN 106537722A CN 201680001790 A CN201680001790 A CN 201680001790A CN 106537722 A CN106537722 A CN 106537722A
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- China
- Prior art keywords
- battery
- charging
- protecting plate
- battery protecting
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention provides a battery protection board, a battery and a mobile terminal, the battery protection board comprising: a protection circuit connected with a charging and discharging circuit of the battery in the mobile terminal, the protection circuit controlling the conduction and closing of the charging and discharging circuit through the switch The battery fuel gauge detects the voltage drop caused by the impedance of the current-sensing element in the charge-discharge circuit and determines the battery power according to the voltage drop, and the current-detecting element Wherein the at least part of the charging and discharging circuit is provided on the surface of the battery protection plate in such a manner that the conductive portion is exposed to the window. The embodiment of the present invention can reduce the temperature rise of the battery protection board.
Description
Technical field
The present embodiments relate to field of mobile terminals, and more particularly, to a kind of battery protecting plate, battery and shifting
Dynamic terminal.
Background technology
At present, mobile terminal (such as smart mobile phone) is increasingly favored by consumer, and the safety of mobile terminal becomes
User's focus of attention.
In order to ensure the safety of the battery inside mobile terminal, need battery protecting plate is installed for battery.Existing electricity
The structure of pond protection board is varied, and mobile terminal has special requirement in terms of integration, volume to its battery protecting plate,
Therefore, a kind of battery protecting plate for being suitable to mobile terminal of offer is provided badly.
The content of the invention
The application provides a kind of battery protecting plate and battery for being suitable to mobile terminal, and provides a kind of mobile terminal.
A kind of first aspect, there is provided battery protecting plate, including：The discharge and recharge of the battery in protection circuit, with mobile terminal
Loop is connected, and the protection circuit is by the conducting of charging and discharging circuit described in on-off control and shut-off；Battery meter, described
During battery carries out discharge and recharge by the charging and discharging circuit, during the battery meter detects the charging and discharging circuit
The pressure drop that the impedance of inspection fluid element is produced, and the electricity of the battery is determined according to the pressure drop, the inspection fluid element is series connection
Wire in the charging and discharging circuit, or, the inspection fluid element is the switch；Wherein, the charging and discharging circuit is extremely
Small part cabling is arranged on the top layer of the battery protecting plate in the way of opening a window and expose current-carrying part.
Second aspect, there is provided a kind of battery, including battery core, and the battery protecting plate as described in first aspect, the electricity
Core is connected with the battery protection.
The third aspect, there is provided a kind of mobile terminal, including charging inlet, and the battery as described in second aspect, it is described
Battery is connected with the charging inlet.
In above-mentioned some implementations, conducting strip, the conducting strip above the top layer of the battery protecting plate, are provided with
Electrically connect with the cabling of the charging and discharging circuit, to increase the thickness of the cabling.
In above-mentioned some implementations, the conducting strip can be outwards (electric along the direction of the vertical battery protecting plate
The outside of pond protection board) extend.
In above-mentioned some implementations, the conducting strip is welded on the top layer of the battery protecting plate.
In above-mentioned some implementations, the conducting strip is copper sheet.
In above-mentioned some implementations, the shape pair of the shape of the conducting strip and the cabling of the charging and discharging circuit
Should, be similar to or identical.
In above-mentioned some implementations, the protection circuit and the battery meter can be integrated in same integrated electricity
Lu Zhong.
In above-mentioned some implementations, the battery protecting plate also includes：Temperature sensing circuit, for detecting the electricity
The temperature in pond；The battery meter is connected with the temperature sensing circuit, the battery meter specifically for：According to described
The temperature that temperature sensing circuit is detected, and temperature with it is described inspection fluid element impedance (or resistance) corresponding relation, it is determined that
The inspection impedance of the fluid element under Current Temperatures；According to the inspection impedance of the fluid element under the Current Temperatures, Yi Jisuo
The pressure drop that the impedance under Current Temperatures is produced is stated, it is determined that flowing through the electric current of the inspection fluid element；According to flowing through the inspection fluid element
Electric current, determine the electricity of the battery.
In above-mentioned some implementations, the battery meter can include the temperature sensing circuit.
In above-mentioned some implementations, the protection circuit includes：Field effect transistor, the field effect transistor are located at described filling
In discharge loop；Controller, the controller are connected with the field effect transistor (grid such as with field effect transistor), by the field
The conducting of charging and discharging circuit described in effect management and control system and shut-off.
In above-mentioned some implementations, the resistance of the field effect transistor is less than 2 milliohms.
In above-mentioned some implementations, the protection circuit includes two field effect transistor of back-to-back setting, described to open
Close as at least one of described two field effect transistor.Field effect transistor can be metal-oxide semiconductor (MOS) (Metal Oxide
Semiconductor, MOS) to manage, the impedance of the switch can refer to the resistance R of the metal-oxide-semiconductords。
In above-mentioned some implementations, the protection circuit can be the first protection circuit in battery protecting plate, institute
Stating battery protecting plate also includes：Second protection circuit, second protection circuit are connected with the charging and discharging circuit, and by molten
Silk carries out overvoltage and/or overcurrent protection to the charging and discharging circuit.
In above-mentioned some implementations, the mobile terminal supports normal charging mode and fast charge mode, wherein,
Charging rate of the charging rate of the fast charge mode more than the normal charging mode.
In above-mentioned some implementations, the charging current of the fast charge mode is more than the normal charging mode
Charging current.
In above-mentioned some implementations, the charging voltage of the fast charge mode is more than the normal charging mode
Charging voltage.
In above-mentioned some implementations, under the fast charge mode, the mobile terminal is by the charging
Mouth carries out two-way communication with adapter.
The battery protecting plate that the application is provided is not only able to the quantity for reducing the device in battery protecting plate, saves fabric swatch
The cost of area and battery protecting plate, the crash rate of reduction battery protecting plate, and the impedance of battery protecting plate can be reduced, from
And reduce battery protecting plate temperature operationally.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to making needed for the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the exemplary plot of battery protecting plate.
Fig. 2 is the schematic circuit of the battery protecting plate of the embodiment of the present invention.
Fig. 3 is the schematic circuit of the battery protecting plate of the embodiment of the present invention.
Fig. 4 is the schematic diagram of the battery protecting plate of the embodiment of the present invention.
Fig. 5 is the schematic diagram of the battery protecting plate of the embodiment of the present invention.
Fig. 6 is the schematic circuit of the battery protecting plate of the embodiment of the present invention.
Fig. 7 is the schematic circuit of the battery protecting plate of the embodiment of the present invention.
Fig. 8 is the schematic diagram of the battery of the embodiment of the present invention.
Fig. 9 is the schematic diagram of the mobile terminal of the embodiment of the present invention.
Specific embodiment
Fig. 1 is the exemplary plot of battery protecting plate.The battery protecting plate 10 of Fig. 1 includes：
Protection circuit 11, is connected with the charging and discharging circuit 13 of the battery in mobile terminal, and protection circuit 11 is filled for control
The conducting of discharge loop 13 and shut-off；
Inspection leakage resistance 14, is connected in charging and discharging circuit 13；
Battery meter 15, battery meter 15 are connected with 14 two ends of inspection leakage resistance, are entered by charging and discharging circuit in battery
During row discharge and recharge, the pressure drop of the impedance generation of the detection inspection leakage resistance 14 of battery meter 15, and determined according to the pressure drop
The electricity of battery.
In certain embodiments, the protection circuit 11 in Fig. 1 includes controlling IC 16 and a pair of back-to-back metal-oxide-semiconductor T1
And T2, control IC 16 passes through Cout ends respectively and Dout ends are connected with metal-oxide-semiconductor T1 and metal-oxide-semiconductor T2.
In certain embodiments, the resistance of above-mentioned metal-oxide-semiconductor can choose metal-oxide-semiconductor of the resistance less than 2 milliohms, can so drop
The impedance of low battery protecting plate, so as to reduce battery protecting plate temperature operationally.
In certain embodiments, Cout ends can overcharge control end, control metal-oxide-semiconductor by metal-oxide-semiconductor T2 grid voltages
Switch.
In certain embodiments, Dout ends can be put, excessively stream or fault control end, by metal-oxide-semiconductor T1 grid voltages
The switch of control metal-oxide-semiconductor.
In certain embodiments, P+ and P- represent the positive pole and negative pole of battery protecting plate 10 respectively.Or, P+ and P- difference
Represent by battery protecting plate 10 pick out come battery core 12 positive pole and negative pole.
The volume of mobile terminal is less and less, requires more and more higher to the integrated level of circuit.Battery protection in the program
Plate is not only integrated with protection circuit, and is integrated with battery meter, and integrated level is higher, is well suited for applying in mobile terminal
Portion, the battery for mobile terminal provide protection.
Also there is the possibility being even further improved by applying coatings in such scheme.In order to further reduce the volume of mobile terminal, alternatively,
As one embodiment, referring to Fig. 2, inspection leakage resistance 14 can be removed, and battery meter 15 is connected to into protection circuit 11
One or more metal-oxide-semiconductors two ends.That is, it is possible to use the resistance R of metal-oxide-semiconductordsInspection leakage resistance 14 is replaced to realize inspection stream
Function, so can further reduce the device in battery protecting plate 10.
Above-described embodiment is higher to the reliability requirement of the metal-oxide-semiconductor in protection circuit 11.
Alternatively, as another embodiment, referring to Fig. 3, can be by battery meter 15 and battery protecting plate 10
Wire 17 (wire 17 is one section of cabling in battery protecting plate 10, and the cabling can be the copper sheet cabling through impedance design) phase
Even, that is to say, that replace the inspection leakage resistance 14 in Fig. 1 by the resistance of the wire 17 in battery protecting plate 10.Do so is not only
The quantity of the device in battery protecting plate can be reduced, the cost of cloth plate suqare and battery protecting plate is saved, and is reduced electricity
The crash rate of pond protection board.
Battery protecting plate is typically integrated with battery core, forms battery.The general all very littles of the volume of battery, therefore, electricity
The area and thickness of pond protection board needs to be made thin little, and the path resistance of volume or the less battery protecting plate of area is higher, and one
As the temperature of battery protecting plate can be caused higher.
Therefore, for the path resistance in limited space reduction battery protecting plate, alternatively, in certain embodiments,
Can be sudden and violent to open a window by least part of cabling of the primary path (primary path can include charging and discharging circuit 13) of battery protecting plate 10
The mode for exposing current-carrying part is arranged on the top layer of battery protecting plate 10.As shown in figure 4, the cabling of charging and discharging circuit 13 is located at electricity
The upper surface of pond protection board 10, so-called windowing refer to that the top layer of the cabling of charging and discharging circuit 13 is not greenwashed the megohmite insulants such as oil, this
Sample can cause charging and discharging circuit 13 preferably to carry out heat exchange with the external world, so that heat disperses as early as possible.
Further, in certain embodiments, referring to Fig. 5, the top on the top layer of battery protecting plate 10 can arrange conduction
Piece 19 (such as copper sheet), conducting strip 19 are connected with the cabling of charging and discharging circuit, to increase the thickness of cabling.In certain embodiments,
The conducting strip 19 can be along the direction of vertical battery protecting plate 10 (or top layer of vertical battery protecting plate 10), to battery protecting plate
10 outside extends.
Specifically, the copper sheet for walking wire shaped corresponding (or similar) with the primary path on battery protecting plate top layer can be customized,
The copper sheet is attached to into the cabling Lu Tong areas of windowing by tin cream, in the case where battery protection plate thickness is not increased, by increasing
The mode of track thickness, reduces path resistance, and then reduces the temperature rise of battery protecting plate.
It should be understood that the copper sheet in the embodiment of the present invention is not limited to flat shape.For example, copper sheet can adopt three-dimensional band to insert
The structure of foot, is welded on battery protecting plate through the through hole on battery protecting plate by pin.
Further, in certain embodiments, can by battery meter 15 and protection circuit 11 be integrated in one piece it is integrated
In circuit, the quantity of the device in battery protecting plate 10 so can be further reduced so that the cabling in battery protecting plate 10
It is more unobstructed.
The impedance of the wire 17 in battery protecting plate can change with the change of battery or the temperature of battery protecting plate 10.
In the case where inspection leakage resistance 14 is replaced using wire 17, in order to more accurately measure the electric current for flowing through wire 17,
In some embodiments, temperature sensing circuit 18 (as shown in Figure 6) can be added in battery protecting plate 10.
Specifically, battery protecting plate 10 may also include：Temperature sensing circuit 18, for detecting battery or battery protecting plate
Temperature；Battery meter 15 can be connected with temperature sensing circuit 18, and battery meter 15 is particularly used in：According to temperature detection
The temperature that circuit 18 is detected, and the corresponding relation of the impedance of temperature and wire (corresponding relation can prestore record
In the memorizer of battery protecting plate 10), determine impedance of the wire 17 under Current Temperatures；According to wire 17 under Current Temperatures
Impedance, detection flows through the electric current of wire 17；According to the electric current for flowing through wire 17, the electricity of battery is determined.
In certain embodiments, temperature sensing circuit 18 can be integrated in battery meter 15.In certain embodiments,
Temperature sensing circuit 18 can be provided separately with battery meter 15.
In certain embodiments, temperature sensing circuit 18 passes through critesistor detection temperature.In certain embodiments, temperature-sensitive
Resistance can be negative temperature coefficient (Negative Temperature Coefficient, NTC) resistance, or positive temperature
Coefficient (Possitive Temperature Coefficient, PTC) resistance.In certain embodiments, one end of critesistor
It is connected with the positive pole P+ of battery protecting plate by pull-up resistor.
Above-mentioned protection circuit 11 can be the first protection circuit in battery protecting plate 10, in order to further improve battery guarantor
The protective value of backplate, alternatively, in certain embodiments, referring to Fig. 7, battery protecting plate 10 may also include：Second protection electricity
Road 21, the second protection circuit 21 can be in the case where the first protection circuit 11 fail, and the charge and discharge process for battery provides guarantor
Shield.
In certain embodiments, the second protection circuit 21 can by fuse for battery charge and discharge process provide it is over-pressed or
Overcurrent protection.As shown in fig. 7, the second protection circuit 21 can include the first fuse pin F1 and the second fuse pin F2, when filling
When there is overvoltage or excessively stream in discharge loop 13, in the second protection circuit 21 positioned at the first fuse pin F1 and the second fuse pin
Fuse failure between F2.
Above in association with Fig. 1 to Fig. 7, the battery protecting plate of the embodiment of the present invention is described in detail.Below in conjunction with Fig. 8 and Fig. 9,
Describe the battery and mobile terminal of the embodiment of the present invention in detail.
Fig. 8 is the schematic diagram of the battery of the embodiment of the present invention.The battery 800 of Fig. 8 includes：
Battery core 810；And
Battery protecting plate 820, the battery protecting plate 820 are connected with the battery core 810.
It should be understood that the battery protecting plate 820 in Fig. 8 can adopt above-described battery protecting plate, to avoid repeating, this
Place is no longer described in detail.
Fig. 9 is the schematic diagram of the mobile terminal of the embodiment of the present invention.The mobile terminal 900 of Fig. 9 includes：
Charging inlet 910；
Battery 800, the battery 800 are connected with the charging inlet 910.
Alternatively, as one embodiment, mobile terminal 900 can support normal charging mode and fast charge mode,
Wherein, charging rate of the charging rate of fast charge mode more than normal charging mode.
Alternatively, as one embodiment, the charging current of fast charge mode is electric more than the charging of normal charging mode
Stream.
Alternatively, as one embodiment, under fast charge mode, mobile terminal 900 passes through charging inlet 910 and fits
Orchestration carries out two-way communication.
The embodiment of the present invention is not especially limited to the communication process between mobile terminal and adapter, for example, mobile whole
End can refer to the handshake procedure of both sides, i.e. mobile terminal and adapter by determination charging mould of shaking hands with communicating between adapter
The parameters such as formula, charging voltage, charging current.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, being capable of being implemented in combination in electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Each specific application can be used different methods to realize described function, but this realization it is not considered that exceeding
The scope of the present invention.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, can be with
Realize by another way.For example, device embodiment described above is only schematic, for example, the unit
Divide, only a kind of division of logic function can have other dividing mode, such as multiple units or component when actually realizing
Can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or
The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can local to be located at one, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.
If the function is realized using in the form of SFU software functional unit and as independent production marketing or when using, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (17)
1. a kind of battery protecting plate, it is characterised in that include：
Protection circuit, is connected with the charging and discharging circuit of the battery in mobile terminal, and the protection circuit is by described in on-off control
The conducting of charging and discharging circuit and shut-off；
Battery meter, during the battery carries out discharge and recharge by the charging and discharging circuit, the battery meter
The pressure drop that the impedance of the inspection fluid element in the charging and discharging circuit is produced is detected, and the electricity of the battery is determined according to the pressure drop
Amount, the inspection fluid element is the wire being connected in the charging and discharging circuit, or, the inspection fluid element is the switch；
Wherein, at least part of cabling of the charging and discharging circuit is arranged on the battery in the way of opening a window and expose current-carrying part
The top layer of protection board.
2. battery protecting plate as claimed in claim 1, it is characterised in that be provided with above the top layer of the battery protecting plate and lead
Electric piece, the conducting strip are electrically connected with the cabling of the charging and discharging circuit, to increase the thickness of the cabling.
3. battery protecting plate as claimed in claim 2, it is characterised in that the conducting strip is along perpendicular to the battery protecting plate
The direction on top layer, extends to the outside of the battery protecting plate.
4. battery protecting plate as claimed in claim 2 or claim 3, it is characterised in that the conducting strip is welded on the battery protection
The top layer of plate.
5. the battery protecting plate as any one of claim 2-4, it is characterised in that the conducting strip is copper sheet.
6. the battery protecting plate as any one of claim 2-5, it is characterised in that the shape of the conducting strip with it is described
The shape of the cabling of charging and discharging circuit is identical.
7. the battery protecting plate as any one of claim 1-6, it is characterised in that the protection circuit and the battery
Coulant meter is integrated in same integrated circuit.
8. the battery protecting plate as any one of claim 1-7, it is characterised in that the protection circuit is the battery
The first protection circuit in protection board, the battery protecting plate also include：
Second protection circuit, second protection circuit are connected with the charging and discharging circuit, and by fuse to the discharge and recharge
Loop carries out overvoltage and/or overcurrent protection.
9. the battery protecting plate as any one of claim 1-8, it is characterised in that the battery protecting plate also includes：
Temperature sensing circuit, for detecting the temperature of the battery；
The battery meter is connected with the temperature sensing circuit, the battery meter specifically for：
According to the temperature that the temperature sensing circuit is detected, and the corresponding relation of temperature and the impedance of the inspection fluid element,
Determine the inspection impedance of the fluid element under the Current Temperatures；
According to the inspection impedance of the fluid element under the Current Temperatures, and the pressure of the impedance generation under the Current Temperatures
Drop, it is determined that flowing through the electric current of the inspection fluid element；
According to the electric current for flowing through the inspection fluid element, the electricity of the battery is determined.
10. battery protecting plate as claimed in claim 9, it is characterised in that the battery meter includes the temperature detection
Circuit.
11. battery protecting plates as any one of claim 1-10, it is characterised in that the protection circuit includes leaning against
Two field effect transistor that the back of the body is arranged, the switch are at least one of described two field effect transistor.
12. a kind of batteries, it is characterised in that include：
Battery core；
Battery protecting plate as any one of claim 1-11, the battery protecting plate are connected with the battery core.
13. a kind of mobile terminals, it is characterised in that include：
Charging inlet；
Battery as claimed in claim 12, the battery are connected with the charging inlet.
14. mobile terminals as claimed in claim 13, it is characterised in that the mobile terminal supports normal charging mode and fast
Fast charge mode, wherein, the charging rate of the fast charge mode is more than the charging rate of the normal charging mode.
15. mobile terminals as claimed in claim 14, it is characterised in that the charging current of the fast charge mode is more than institute
State the charging current of normal charging mode.
16. mobile terminals as claimed in claim 14, it is characterised in that the charging voltage of the fast charge mode is more than institute
State the charging voltage of normal charging mode.
17. mobile terminals as any one of claim 13-16, it is characterised in that under the fast charge mode,
The mobile terminal carries out two-way communication by the charging inlet and adapter.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/083695 WO2017201738A1 (en) | 2016-05-27 | 2016-05-27 | Battery protecting board, battery, and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106537722A true CN106537722A (en) | 2017-03-22 |
Family
ID=58335913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680001790.2A Pending CN106537722A (en) | 2016-05-27 | 2016-05-27 | Battery protection board, battery and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106537722A (en) |
| WO (1) | WO2017201738A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755997A (en) * | 2018-12-17 | 2019-05-14 | 维沃移动通信有限公司 | A kind of charging method and terminal device |
| CN111478378A (en) * | 2019-01-23 | 2020-07-31 | Oppo广东移动通信有限公司 | Protection circuit, charging control device and method, and electronic device |
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| CN111478378A (en) * | 2019-01-23 | 2020-07-31 | Oppo广东移动通信有限公司 | Protection circuit, charging control device and method, and electronic device |
| CN111478378B (en) * | 2019-01-23 | 2022-03-15 | Oppo广东移动通信有限公司 | Protection circuit, charging control device and method, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017201738A1 (en) | 2017-11-30 |
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