CN206542206U - A kind of charge-discharge protection circuit, battery and electronic equipment - Google Patents
A kind of charge-discharge protection circuit, battery and electronic equipment Download PDFInfo
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- CN206542206U CN206542206U CN201720106660.7U CN201720106660U CN206542206U CN 206542206 U CN206542206 U CN 206542206U CN 201720106660 U CN201720106660 U CN 201720106660U CN 206542206 U CN206542206 U CN 206542206U
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Abstract
The utility model embodiment discloses a kind of charge-discharge protection circuit, battery and electronic equipment, and the charge-discharge protection circuit includes：At least two sub- protection circuits；Wherein, the first transmission end of each sub- protection circuit is used to be connected with charge and discharge electrical interface, and the second transmission end of each sub- protection circuit is used to be connected with the battery core of battery, and the charge and discharge electrical interface is the both positive and negative polarity interface of battery.Due in the utility model embodiment; charge-discharge protection circuit includes at least two sub- protection circuits; when the battery core to battery charges; the electricity inputted by charge and discharge electrical interface is streamed to battery core by least two sub- protection circuits; reduce the electric current for flowing through each charge-discharge protection circuit; reduce the heating of charge-discharge protection circuit; prevent the damage of the battery core of charge-discharge protection circuit and battery caused by charge-discharge protection circuit is overheated; the charging current to the battery core of battery is increased, the quick charge to the battery core of battery is realized.
Description
Technical field
The utility model is related to power technique fields, more particularly to a kind of charge-discharge protection circuit, battery and electronic equipment.
Background technology
With the development of science and technology electronic equipment is increasingly widely used in the work and life of people, for people
Work and life while quick and easy service is provided, people are to the degree of dependence of electronic equipment also more and more higher, work
Make and too busy to get away electronic equipment of living.Because electronic equipment is normally run, it is necessary to which the battery in electronic equipment is provided
Power, but with people's work and the quickening for the rhythm lived, it is very long without battery in too many time waiting electronic equipment
Charging process, the appearance of quick charge brings facility for people.
However, in the prior art, the realization to quick charge mainly includes：First, multiple charging circuit parallel connections are filled with increasing
Electric current；2nd, charging circuit and wave filter are put into inside adapter, directly increase adapter output current.Above-mentioned realization side
Formula is all by increasing charging current to increase charge power, realizing to the quickly charging battery in electronic equipment.But with
The increase of charging current, by using to protect the electric current of the charge-discharge protection circuit of the battery core of battery to be consequently increased, such as Fig. 1
It show existing quick charge framework, voltage of the adapter output higher than battery core；Charging circuit enters line translation to the voltage, control
Charging current processed；Charging current flows through switch, and battery core is reached by charge-discharge protection circuit.
But the increase of the charging current exported with charging circuit, the electric current for flowing through charge-discharge protection circuit also increases therewith
Plus, and the heating of charge-discharge protection circuit is increased again by current squaring, the safety that charge-discharge protection circuit overheat can be to battery
Influence is brought, and is limited by material and technique, the internal resistance of existing charge-discharge protection circuit is difficult to do small, in order to prevent to battery
Battery core charging when, charge-discharge protection circuit overheat cause charge-discharge protection circuit and battery battery core damage, can only use
The battery core of less current versus cell is charged, it is impossible to realize the quick charge to the battery core of battery.
Utility model content
The utility model provides a kind of charge-discharge protection circuit, battery and electronic equipment, to solve in the prior art without
Method reduces heating when being charged to the battery core of battery, to prevent charge-discharge protection circuit overheat from causing charge-discharge protection circuit and electricity
The damage of the battery core in pond, can only use the battery core of less current versus cell to be charged, it is impossible to realize fast to the battery core of battery
The problem of speed charging.
To reach above-mentioned purpose, the utility model embodiment discloses a kind of charge-discharge protection circuit of battery, described to fill
Discharge protection circuit includes：At least two sub- protection circuits；Wherein, the first transmission end of each sub- protection circuit be used for
Charge and discharge electrical interface is connected, and the second transmission end of each sub- protection circuit is used to be connected with the battery core of battery, the discharge and recharge
Interface is the both positive and negative polarity interface of battery.
Further, the sub- protection circuit includes at least one of following protection circuit：Overvoltage crowbar and mistake
Flow protection circuit.
Further, the sub- protection circuit also includes：Electric quantity metering circuit, the electric quantity metering circuit, which is used to measure, to flow
Electricity through the charge-discharge protection circuit.
Further, the sub- protection circuit includes the overvoltage crowbar, the electric quantity metering electricity being sequentially connected
Road, the current foldback circuit, the transmission end of the overvoltage crowbar are used to be connected with the charge and discharge electrical interface, the excessively stream
The transmission end of protection circuit is used to be connected with the battery core of the battery.
Further, the charge and discharge electrical interface also includes the communication interface of the electric quantity metering circuit.
The utility model embodiment discloses a kind of battery based on charge-discharge protection circuit, and the battery includes at least two
Charge and discharge electrical interface described in individual sub- protection circuit, battery core and at least two, the charge and discharge electrical interface is the both positive and negative polarity interface of battery；
Wherein, the quantity of the charge and discharge electrical interface is identical with the quantity of the sub- protection circuit, and each sub- protection
First transmission end correspondence one charge and discharge electrical interface of connection of circuit, described the second of each sub- protection circuit passes
Defeated end is electrically connected with the battery core.
Further, the sub- protection circuit is arranged on the first printed circuit board.
Further, it is additionally provided with the charge and discharge electrical interface on first printed circuit board.
Further, the charge and discharge electrical interface is arranged on the second printed circuit board.
The utility model embodiment discloses a kind of electronic equipment, including based on above-mentioned battery, the electronic equipment is also wrapped
Include and the discharge and recharge interface quantity identical charging circuit and switch in the battery, and each charge and discharge electrical interface and one
Switch, a charging circuit are sequentially connected.
The utility model provides a kind of charge-discharge protection circuit, battery and electronic equipment, the charge-discharge protection circuit
Including：At least two sub- protection circuits；Wherein, the first transmission end of each sub- protection circuit is used to connect with charge and discharge electrical interface
Connect, the second transmission end of each sub- protection circuit is used to be connected with the battery core of battery, the charge and discharge electrical interface is battery
Both positive and negative polarity interface.Because in the utility model embodiment, charge-discharge protection circuit includes at least two sub- protection circuits, right
When the battery core of battery is charged, the electricity inputted by charge and discharge electrical interface is streamed to electricity by least two sub- protection circuits
Core, reduces the electric current for flowing through each charge-discharge protection circuit, reduces the heating of charge-discharge protection circuit, it is therefore prevented that because of charge and discharge
Electric protection circuit overheat causes the damage of the battery core of charge-discharge protection circuit and battery, increases the electricity of the charging to the battery core of battery
Stream, realizes the quick charge to the battery core of battery.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of quick charge configuration diagram that Fig. 1 provides for the utility model；
Fig. 2 is a kind of charge-discharge protection circuit structural representation that the utility model embodiment 1 is provided；
Fig. 3 is the seed protection circuit structural representation that the utility model embodiment 2 is provided；
Fig. 4 is a kind of charge-discharge protection circuit structural representation that the utility model embodiment 3 is provided；
Fig. 5 is the seed protection circuit structural representation that the utility model embodiment 3 is provided；
Fig. 6 is a kind of battery structure schematic diagram that the utility model embodiment 4 is provided；
Fig. 7 is a kind of electronic equipment structural representation that the utility model embodiment 6 is provided.
Embodiment
In order that the purpose, technical scheme and advantage of the application are clearer, below in conjunction with accompanying drawing the application is made into
One step it is described in detail, it is clear that described embodiment is only a part of embodiment of the application, rather than whole implementation
Example.Based on the embodiment in the application, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of the application protection.
Embodiment 1：
A kind of charge-discharge protection circuit structural representation that Fig. 2 provides for the utility model embodiment, charge and discharge protecting electricity
Road 201 includes：At least two sub- protection circuits 211；Wherein, the first transmission end of every sub- protection circuit 211 is used for and charge and discharge
Electrical interface 202 is connected, and the second transmission end of every sub- protection circuit 211 is used to be connected with the battery core 203 of battery, charge and discharge electrical interface
202 be the both positive and negative polarity interface of battery.
Specifically, charge-discharge protection circuit 201 includes at least two sub- protection circuits 211, every individual sub- protection circuit 211
First transmission end with charge and discharge electrical interface 202 for being connected, the second transmission end is used to be connected with the battery core 203 of battery.To battery
When being charged, by the input current of charge and discharge electrical interface 202, it will be connect by least two sub- protection circuits 211 by discharge and recharge
Mouth input current is transmitted to the battery core 203 of battery, and the battery core 203 to battery charges.
In the utility model embodiment, the quantity of the charge and discharge electrical interface 202 can be one, and a discharge and recharge connects
Mouth 202 is connected with the first transmission end of every sub- protection circuit 211, is of coursed, the quantity of the charge and discharge electrical interface 202 can also
It is identical with the quantity of the sub- protection circuit 211, each charge and discharge electrical interface 202 respectively with corresponding one sub- protection circuit 211
The connection of the first transmission end, the sub- protection circuit 211 that each charge and discharge electrical interface 202 is connected is different.
In order to realize the quick charge to the battery core of battery, it is necessary to increase the charging current of the battery core of battery, but with
The increase of charging current, the heating increase of protection circuit, for example：Using common mode charge (general to fill) when, the electricity of protection circuit
Hinder for R, corresponding charging current is I when charging voltage is V, the now general heating power that fills is I2R.In existing fast charge mode in order to
Quick charge to the battery core of battery, 2I is increased to by charging current, and now heating power is (2I)2R, heating be it is general fill 4
Times.Because the charge-discharge protection circuit that the utility model embodiment is provided is that at least two sub- protection circuits are in parallel, e.g. two
Way protection circuit is in parallel, when the charging current of the battery core to battery is 2I, flows through the charging current of every sub- protection circuit
For I, the heating power of every sub- protection circuit is I2R, total heating power of charge-discharge protection circuit is 2I2R, heating is general fills
2 times, when carrying out quick charge to the battery core of battery with same charging current 2I, heating power is the two of existing fast charge mode
/ mono-, the heating of charge-discharge protection circuit is reduced while to the battery core quick charge of battery, it is therefore prevented that because of discharge and recharge
Protection circuit overheat causes the damage of the battery core of charge-discharge protection circuit and battery.And with parallel in charge-discharge protection circuit
Sub- protection circuit quantity increase, in order to reach identical charging effect, the charging current for flowing through every sub- protection circuit subtracts
Small, the heating power of every sub- protection circuit reduces, and total heating power of charge-discharge protection circuit reduces.For example：Discharge and recharge is protected
Protection circuit is that four sub- protection circuits are in parallel, and the charging current to the battery core of battery is 2I, flows through filling for every individual sub- protection circuit
Electric current is I/2, and the heating power of every sub- protective current is (I/2)2R, total heating power of charge-discharge protection circuit is I2R,
When carrying out quick charge to the battery core of battery with same charging current 2I, heating power be existing fast charge mode four/
One, it reduce further the heating of charge-discharge protection circuit.
Because in the utility model embodiment, charge-discharge protection circuit includes at least two sub- protection circuits, to electricity
When the battery core in pond is charged, the electricity inputted by charge and discharge electrical interface is streamed to electricity by least two sub- protection circuits
Core, reduces the electric current for flowing through each charge-discharge protection circuit, reduces the heating of charge-discharge protection circuit, it is therefore prevented that because of charge and discharge
Electric protection circuit overheat causes the damage of the battery core of charge-discharge protection circuit and battery, increases the electricity of the charging to the battery core of battery
Stream, realizes the quick charge to the battery core of battery.
Embodiment 2：
On the basis of above-described embodiment, in order to prevent the damage to the battery core of battery, the use of the battery core of battery is improved
Life-span, sub- protection circuit 211 includes at least one of following protection circuit：Overvoltage crowbar 301 and current foldback circuit
302。
Overvoltage crowbar 301, the input voltage for the sub- protection circuit where it is inputted is more than setting voltage threshold
During value, the battery core of the battery and the connection of the charge and discharge electrical interface are disconnected, the damage of the excessive battery core for causing battery of voltage is prevented
It is bad；Current foldback circuit 302 is used to, when the input current of the sub- protection circuit where inputting it is more than setting electric current threshold value, break
The battery core of the battery and the connection of the charge and discharge electrical interface are opened, the damage of the excessive battery core for causing battery of electric current is prevented.
The sub- protection circuit 211 includes at least one of overvoltage crowbar 301 and current foldback circuit 302.
Specifically, sub- protection circuit 211 can include one kind in overvoltage crowbar 301 and current foldback circuit 302
Or two kinds.Such as fruit protection circuit 211 only includes overvoltage crowbar 301 or current foldback circuit 302, then by overvoltage protection
302 two transmission end of circuit 301 or current foldback circuit are connected with charge and discharge electrical interface 202 and battery core 203 respectively；Such as fruit protection
Circuit 211 simultaneously including overvoltage crowbar 301 and current foldback circuit 302, Fig. 3 provided for the utility model embodiment one
Seed protection circuit structural representation, is sequentially connected overvoltage crowbar 301 and current foldback circuit 302, overvoltage crowbar
301 transmission end is connected with charge and discharge electrical interface 202, and the transmission end of current foldback circuit 302 is connected with battery core 203；Of course,
Can be that the transmission end of current foldback circuit 302 is connected with charge and discharge electrical interface 202, transmission end and the electricity of overvoltage crowbar 301
Core 203 is connected.
Embodiment 3：
For the ease of the metering of the battery core current electric quantity to battery, sub- protection circuit 211 also includes：Electric quantity metering circuit
303, electric quantity metering circuit 303 is used to measure the electricity for flowing through charge-discharge protection circuit 201.
Specifically, the metering of electric quantity metering circuit 303 flows through the sub- protection circuit 211 at the place of electric quantity metering circuit 303
Electricity, the electricity of the sub- protection circuit 211 for flowing through the place of electric quantity metering circuit 303 is included via the electric quantity metering circuit
The electricity of the battery core output of the electricity and battery of the battery core of the input battery of sub- protection circuit 211 where 303.By to every height
Protection circuit 211 flows through the statistics of electricity, it can be deduced that flow through the electricity of charge-discharge protection circuit 201.
Such as fruit protection circuit 211 only includes overvoltage crowbar 301 and electric quantity metering circuit 303, is sequentially connected overvoltage
Protection circuit 301 and electric quantity metering circuit 303, the transmission end of overvoltage crowbar 301 are connected with charge and discharge electrical interface 202, voltameter
The amount transmission end of circuit 303 is connected with battery core 203, is of coursed or the transmission end of electric quantity metering circuit 303 and charge and discharge electrical interface
202 connections, the transmission end of overvoltage crowbar 301 is connected with battery core 203；As fruit protection circuit 211 only includes overcurrent protection electricity
Road 302 and electric quantity metering circuit 303, are sequentially connected current foldback circuit 302 and electric quantity metering circuit 303, current foldback circuit
302 transmission end are connected with charge and discharge electrical interface 202, and the transmission end of electric quantity metering circuit 303 is connected with battery core 203, is of coursed, can also
It is that the transmission end of electric quantity metering circuit 303 is connected with charge and discharge electrical interface 202, the transmission end of current foldback circuit 302 connects with battery core 203
Connect.
A kind of charge-discharge protection circuit structural representation that Fig. 4 provides for the utility model embodiment, sub- protection circuit 211
Including the overvoltage crowbar 301, electric quantity metering circuit 303, current foldback circuit 302 being sequentially connected, overvoltage crowbar 301
Transmission end be used to be connected with the charge and discharge electrical interface 202, the transmission end of current foldback circuit 302 is used for the electricity with the battery
Core 203 is connected.
Specifically, when the battery core to the battery charges, the metering of electric quantity metering circuit 303 flows through the electric quantity metering
The electricity of sub- protection circuit 211 where circuit 303；The sub- protection circuit that overvoltage crowbar 301 is used for where it is inputted
Input voltage when being more than setting voltage threshold, disconnect the battery core of the battery and the connection of the charge and discharge electrical interface, prevent electricity
Press through the damage of the big battery core for causing battery；The input for the sub- protection circuit that current foldback circuit 302 is used for where it is inputted
When electric current is more than setting electric current threshold value, the battery core of the battery and the connection of the charge and discharge electrical interface are disconnected, prevents electric current excessive
Cause the damage of the battery core of battery.
For the ease of the reading of the electricity measured to electric quantity metering circuit 303, the charge and discharge electrical interface 202 also includes described
The communication interface of electric quantity metering circuit 303, the reading for measuring electricity to electric quantity metering circuit 303.
The seed protection circuit structural representation that Fig. 5 provides for the utility model embodiment, sub- protection circuit and charge and discharge
Electrical interface and battery core connection, include current foldback circuit 302, electric quantity metering circuit 303 and overvoltage protection in sub- protection circuit
Circuit 301, wherein current foldback circuit 302 include U3 and U5, if the electricity for inputting the protection circuit that U3 is obtained by pin 6
Stream is more than setting electric current threshold value, and control U5 disconnects, so as to disconnect the battery core of the battery and the connection of the charge and discharge electrical interface；Electricity
Measuring metering circuit 303 includes U1, and U1 obtains the electricity for flowing through the protective current by resistance RS1；Overvoltage crowbar 301 includes
U2 and U4, U2 are connected by pin 1 with U4 pin 2, if the magnitude of voltage for inputting the protection circuit that U4 is obtained by pin 5
During more than given threshold, the control signal that control signal disconnection is connected with battery core is sent to U2, U2 controls F1 disconnects, disconnected described
The battery core of battery and the connection of the charge and discharge electrical interface.
Embodiment 4：
The battery structure schematic diagram based on above-mentioned charge-discharge protection circuit that Fig. 6 provides for the utility model embodiment, electricity
Pond 601 includes at least two sub- protection circuits 211, the charge and discharge electrical interface 202 of battery core 203 and at least two, and charge and discharge electrical interface 202 is
The both positive and negative polarity interface of battery；
Wherein, the quantity of charge and discharge electrical interface 202 is identical with the quantity of sub- protection circuit 211, and every sub- protection circuit 211
The first transmission end correspondence one charge and discharge electrical interface 202 of connection, the second transmission end and the battery core 203 of every sub- protection circuit 211
Electrical connection.
Specifically, when being charged to battery 601, charging circuit connects with least two charge and discharge electrical interfaces 202 in battery 601
Connect, the electric current of charging circuit input inputs corresponding sub- protection circuit 211 by least two charge and discharge electrical interfaces 202, by every
Individual sub- protection circuit 211, which is transmitted to battery core 203, to be completed to charge.
Because in the utility model embodiment, battery includes at least two sub- protection circuits, enters in the battery core to battery
During row charging, the electricity inputted by charge and discharge electrical interface is streamed to battery core by least two sub- protection circuits, stream is reduced
Electric current through each charge-discharge protection circuit, reduces the heating of charge-discharge protection circuit, it is therefore prevented that because of charge-discharge protection circuit
Overheat causes the damage of the battery core of charge-discharge protection circuit and battery, increases the charging current to the battery core of battery, realizes
Quick charge to the battery core of battery.
Embodiment 5：
In the utility model embodiment, for the ease of the design and use of battery, sub- protection circuit 211 is arranged at
On one printed circuit board.
Specifically, sub- protection circuit 211 is arranged at into the first printed circuit board, sub- protection circuit can be effectively reduced
The volume of 211 batteries taken, is easy to the design of battery and uses, improve the experience of user.
For the ease of the design and use of battery, charge and discharge electrical interface 202 is additionally provided with first printed circuit board；Or,
Charge and discharge electrical interface 202 is arranged on the second printed circuit board.
Specifically, for the ease of the design and use of battery, charge and discharge electrical interface 202 can be arranged at and sub- protection circuit
On 211 the first printed circuit boards of identical, charge and discharge electrical interface 202 can also be arranged at different from sub- protection circuit 211
On second printed circuit board.
Embodiment 6：
The a kind of electronic equipment structural representation that Fig. 7 provides for the utility model embodiment, the electronic equipment includes being based on
Above-mentioned battery 601, in addition to the quantity identical charging circuit 701 of charge and discharge electrical interface in battery 601 202 and switch 702, and
Each charge and discharge electrical interface 202 is sequentially connected with a switch 702, a charging circuit 701.
Specifically, when being charged to battery 601, electronic equipment can be by the open and close of controlling switch 702
The connection and disconnection of charging circuit 701 and the charge and discharge electrical interface 202 in battery 601 being connected with the switch 702 are controlled, control should
Whether charging circuit 701 charges to the battery 601.
The utility model embodiment discloses a kind of charge-discharge protection circuit of battery, the electricity based on charge-discharge protection circuit
Pond and the electronic equipment based on battery, the charge-discharge protection circuit include：At least two sub- protection circuits；Wherein, Mei Gesuo
Stating the first transmission end of sub- protection circuit is used to be connected with charge and discharge electrical interface, and the second transmission end of each sub- protection circuit is used
It is connected in the battery core with battery, the charge and discharge electrical interface is the both positive and negative polarity interface of battery.Due in the utility model embodiment,
Charge-discharge protection circuit includes at least two sub- protection circuits, when the battery core to battery charges, and passes through at least two sons
The electricity inputted by charge and discharge electrical interface is streamed to battery core by protection circuit, reduces the electricity for flowing through each charge-discharge protection circuit
Stream, reduce the heating of charge-discharge protection circuit, it is therefore prevented that because charge-discharge protection circuit overheat caused by charge-discharge protection circuit and
The damage of the battery core of battery, increases the charging current to the battery core of battery, realizes the quick charge to the battery core of battery.
Although having been described for the preferred embodiment of the application, those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the application scope.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claim and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of charge-discharge protection circuit of battery, it is characterised in that the charge-discharge protection circuit includes：At least two sons are protected
Protection circuit；Wherein, the first transmission end of each sub- protection circuit is used to be connected with charge and discharge electrical interface, each sub- protection
Second transmission end of circuit is used to be connected with the battery core of battery, and the charge and discharge electrical interface is the both positive and negative polarity interface of battery.
2. charge-discharge protection circuit as claimed in claim 1, it is characterised in that the sub- protection circuit includes following protection electricity
At least one of road：Overvoltage crowbar and current foldback circuit.
3. charge-discharge protection circuit as claimed in claim 2, it is characterised in that the sub- protection circuit also includes：Voltameter
Circuit is measured, the electric quantity metering circuit is used to measure the electricity for flowing through the charge-discharge protection circuit.
4. charge-discharge protection circuit as claimed in claim 3, it is characterised in that the sub- protection circuit includes what is be sequentially connected
The overvoltage crowbar, the electric quantity metering circuit, the current foldback circuit, the transmission end of the overvoltage crowbar are used
It is connected in the charge and discharge electrical interface, the transmission end of the current foldback circuit is used to be connected with the battery core of the battery.
5. the charge-discharge protection circuit as described in claim 3 or 4, it is characterised in that the charge and discharge electrical interface also includes described
The communication interface of electric quantity metering circuit.
6. a kind of battery of the charge-discharge protection circuit with described in claim any one of 1-5, it is characterised in that the battery
Including charge and discharge electrical interface described at least two sub- protection circuits, battery core and at least two, the charge and discharge electrical interface be battery just
Negative pole interface；
Wherein, the quantity of the charge and discharge electrical interface is identical with the quantity of the sub- protection circuit, and each sub- protection circuit
First transmission end correspondence one charge and discharge electrical interface of connection, second transmission end of each sub- protection circuit
It is electrically connected with the battery core.
7. battery as claimed in claim 6, it is characterised in that the sub- protection circuit is arranged at the first printed circuit board
On.
8. battery as claimed in claim 7, it is characterised in that be additionally provided with the discharge and recharge on first printed circuit board and connect
Mouthful.
9. battery as claimed in claim 7, it is characterised in that the charge and discharge electrical interface is arranged at the second printed circuit board
On.
10. a kind of electronic equipment, it is characterised in that including the battery as described in claim any one of 6-9, the electronic equipment
Also include with the discharge and recharge interface quantity identical charging circuit and switch in the battery, and each charge and discharge electrical interface with
One switch, a charging circuit are sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720106660.7U CN206542206U (en) | 2017-01-23 | 2017-01-23 | A kind of charge-discharge protection circuit, battery and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720106660.7U CN206542206U (en) | 2017-01-23 | 2017-01-23 | A kind of charge-discharge protection circuit, battery and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206542206U true CN206542206U (en) | 2017-10-03 |
Family
ID=59940445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720106660.7U Active CN206542206U (en) | 2017-01-23 | 2017-01-23 | A kind of charge-discharge protection circuit, battery and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN206542206U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378868A (en) * | 2018-09-14 | 2019-02-22 | Oppo广东移动通信有限公司 | Electronic device power supply circuit and electronic equipment |
| CN110703108A (en) * | 2019-10-14 | 2020-01-17 | 郑州中科新兴产业技术研究院 | Method for determining storage time of battery cell |
| CN110912213A (en) * | 2018-09-17 | 2020-03-24 | Oppo广东移动通信有限公司 | Electronic equipment, power supply method of electronic equipment and storage medium |
| TWI695563B (en) * | 2018-04-19 | 2020-06-01 | 胡龍江 | Electric vehicle power storage device |
-
2017
- 2017-01-23 CN CN201720106660.7U patent/CN206542206U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI695563B (en) * | 2018-04-19 | 2020-06-01 | 胡龍江 | Electric vehicle power storage device |
| CN109378868A (en) * | 2018-09-14 | 2019-02-22 | Oppo广东移动通信有限公司 | Electronic device power supply circuit and electronic equipment |
| CN109378868B (en) * | 2018-09-14 | 2021-05-14 | Oppo广东移动通信有限公司 | Electronic equipment power supply circuit and electronic equipment |
| CN110912213A (en) * | 2018-09-17 | 2020-03-24 | Oppo广东移动通信有限公司 | Electronic equipment, power supply method of electronic equipment and storage medium |
| CN110703108A (en) * | 2019-10-14 | 2020-01-17 | 郑州中科新兴产业技术研究院 | Method for determining storage time of battery cell |
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