CN106160124A - The battery protection active circuit of portable power source and portable power source - Google Patents
The battery protection active circuit of portable power source and portable power source Download PDFInfo
- Publication number
- CN106160124A CN106160124A CN201610794523.7A CN201610794523A CN106160124A CN 106160124 A CN106160124 A CN 106160124A CN 201610794523 A CN201610794523 A CN 201610794523A CN 106160124 A CN106160124 A CN 106160124A
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- CN
- China
- Prior art keywords
- power source
- portable power
- channel mos
- switch module
- mos pipe
- 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
-
- 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
-
- 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
-
- 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
- H02J7/00306—Overdischarge protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses battery protection active circuit and the portable power source of a kind of portable power source; wherein; the battery protection active circuit of this portable power source includes pulse generation module and switch module; the control end of described switch module electrically connects with pulse generation module; the input of switch module electrically connects with control chip, and the outfan of switch module electrically connects with ground terminal；Described pulse generation module, for generating high level pulse signal according to triggering signal, and is delivered to switch module；Described switch module, in the conduction state according to the high level pulse signal received, and makes control chip electrically connect with ground terminal, to activate control chip.Technical scheme activates portable power source under conditions of can not possessing charging such that it is able to make portable power source the most outwards power, convenient outdoor use.
Description
Technical field
The present invention relates to portable power source technical field, particularly relate to battery protection active circuit and the shifting of a kind of portable power source
Galvanic electricity source.
Background technology
Along with the development of electronic technology, occur in that various portable type electronic product on the market, such as intelligence hands
Machine, PAD etc..When portable type electronic product uses for a long time, electric quantity consumption is big, the most generally uses portable power source to charge.Mobile
Power supply is a kind of storage electricity, boosting and portable set of Charge Management of integrating, and storage electrolyte typically uses lithium electricity battery core, because of
Lithium electricity battery core volume is the smallest and the most exquisite, and capacity is big, and market circulation is wide, moderate, and is extensively used.
In prior art, portable power source is generally with protection circuit, and this protection circuit generally comprises and overcharges protection voltage, mistake
Put the defencive functions such as protection voltage, output overcurrent protection and short-circuit protection.When portable power source enters battery protection state, move
The power output circuit in galvanic electricity source disconnects, it is impossible to normally export to equipment charge, in order to portable power source can normally be exported, generally
Portable power source is charged with activated batteries protection circuit.For the user of outdoor activity, it has not been convenient to use charging to activate and move
The battery protecting circuit of dynamic power source internal, causes the problem that power output circuit cannot normally use.
Summary of the invention
The main object of the present invention is to provide the battery protection active circuit of a kind of portable power source, it is intended to do not possess charging
Under the conditions of activate portable power source, convenient outdoor use.
For achieving the above object, the technical scheme that the present invention uses is: provide the battery protection of a kind of portable power source
Active circuit, is provided with control chip in described portable power source, described battery protection active circuit include pulse generation module with
Switch module, the control end of described switch module electrically connects with pulse generation module, the input of switch module and control chip
Electrical connection, the outfan of switch module electrically connects with ground terminal；
Described pulse generation module, for generating high level pulse signal according to triggering signal, and is delivered to switch module；
Described switch module, for according to receive high level pulse signal in the conduction state, and make control chip with
Ground terminal electrically connects, to activate control chip.
Preferably, described pulse generation module is shift knob, and the input of described shift knob and power supply pick out anode
Electrical connection.
Preferably, described switch module is N-channel MOS pipe, the grid of described N-channel MOS pipe and the output of shift knob
End connects, and the source electrode of N-channel MOS pipe picks out negative terminal with control chip and power supply respectively and electrically connects, and the drain electrode of N-channel MOS pipe connects
Ground.
Preferably, described switch module also includes that the 4th resistance, the two ends of described 4th resistance connect N-channel MOS respectively
The grid of pipe and drain electrode.
Preferably, described battery protection active circuit also includes the second electric capacity, diode and the 3rd resistance, described second electricity
The grid picking out end and N-channel MOS pipe of the two ends connecting valve button respectively held, the anode connecting valve of described diode is pressed
The common node that button and the second electric capacity connect, the negative terminal of diode connects one end of the 3rd resistance, another of described 3rd resistance
End connects power supply and picks out negative terminal.
Preferably, described shift knob shares a switch with the electricity button of portable power source.
For achieving the above object, another technical solution used in the present invention is: provide a kind of portable power source, including charging
Battery and battery protecting circuit, the positive pole of described rechargeable battery connects power supply and picks out anode, and the negative pole of rechargeable battery connects power supply
Picking out negative terminal, described battery protecting circuit includes control chip, switch control unit and battery activated unit, described control core
Sheet picks out anode with the controlled end of switch control unit, battery activated unit and power supply respectively and electrically connects, described on-off control
The input of unit is connected with the negative electricity of rechargeable battery, and the outfan of switch control unit picks out negative terminal with power supply and electrically connects；
Described battery activated unit is the battery protection active circuit of portable power source, specifically includes pulse generation module and opens
Closing module, the control end of described switch module electrically connects with pulse generation module, the input of switch module and control chip electricity
Connecting, the outfan of switch module electrically connects with ground terminal；
Described pulse generation module, for generating high level pulse signal according to triggering signal, and is delivered to switch module；
Described switch module, for according to receive high level pulse signal in the conduction state, and make control chip with
Ground terminal electrically connects, to activate control chip.
Preferably, described switch control unit includes the first N-channel MOS pipe and the second N-channel MOS pipe, a described N
The base stage of channel MOS tube and the second N-channel MOS pipe electrically connects with control chip respectively, and the source electrode of the first N-channel MOS pipe is even
Connecing the negative pole of rechargeable battery, the drain electrode of the first N-channel MOS pipe connects the drain electrode of the second N-channel MOS pipe, and described 2nd N links up
The source electrode of metal-oxide-semiconductor connects power supply and picks out negative terminal.
Preferably, described portable power source also includes that protective resistance, one end of described protective resistance electrically connect with control chip,
The other end connects the source electrode of described second N-channel MOS pipe and picks out the common node that negative terminal is connected with power supply.
Technical scheme includes pulse generation module and switch module, the control end of described switch module and pulse
Generation module electrically connects, and the input of switch module electrically connects with control chip, the outfan of switch module and ground terminal electricity
Connect；When portable power source needs to activate, high level pulse signal, switch module can be produced by triggering pulse generation module
Make arranging of control chip hold ground connection according to high level pulse signal conduction, so, the electricity controlling end of control chip can be made
Position change, and then activate control chip, under conditions of not possessing charging, activate portable power source, convenient outdoor use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the block diagram of portable power source one embodiment of the present invention；
Fig. 2 is the part circuit structure schematic diagram of Fig. 1；
Fig. 3 is the block diagram of battery protection active circuit one embodiment of portable power source of the present invention；
Fig. 4 is the electrical block diagram of Fig. 3.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
It is to be appreciated that the description relating to " first ", " second " etc. in the present invention be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can express or implicitly include at least one this feature.It addition, the technical side between each embodiment
Case can be combined with each other, but must be based on those of ordinary skill in the art are capable of, when the combination of technical scheme
Occur conflicting will be understood that the combination of this technical scheme does not exists, the most not the guarantor of application claims when maybe cannot realize
Within the scope of protecting.
The battery protection active circuit of the portable power source of the present invention, is applied in portable power source.Refer to Fig. 1, this moves
Power supply, including rechargeable battery 10 and battery protecting circuit 20, the positive pole of described rechargeable battery 10 connects power supply and picks out anode BATT
+, the negative pole of rechargeable battery 10 connects power supply and picks out negative terminal BATT-, and described battery protecting circuit 20 includes control chip 21, switch
Control unit 22 and battery activated unit 23, described control chip 21 respectively with controlled end, the battery of switch control unit 22
Activate unit 23 and power supply picks out anode BATT+ electrical connection, the input of described switch control unit 22 and rechargeable battery 10
Negative electricity connect, the outfan of switch control unit 22 picks out negative terminal BATT-and electrically connects with power supply；
Described battery activated unit 23 includes the battery protection active circuit of above-mentioned portable power source, and concrete structure is the most above-mentioned
Embodiment described in, here is omitted.It should be understood that this battery activated unit 23 at least has above-mentioned portable power source
Battery protection active circuit technique effect and advantage.
In the present embodiment, this battery protecting circuit 20 is by using control chip 21, switch control unit 22 and battery
Activate unit 23, portable power source can be carried out battery protection and battery activated effect.Concrete, when portable power source occurs electricity
During the protection of pond, the end that arranges of control chip 21 is high level, and makes switch control unit 22 be in cut-off state, so, makes
The negative pole obtaining power supply picks out negative terminal BATT-disconnection with power supply, and portable power source stops outwards powering；When battery activated unit 23 triggers
Time, control chip 21 and power supply can be made to pick out negative terminal BATT-ground connection, the end that arranges of control chip 21 is become low electricity by high level
Flat, and make switch control unit 22 in the conduction state, so so that the negative pole of power supply and power supply pick out negative terminal BATT-even
Connecing, portable power source can outwards be powered.
Refer to Fig. 2, in a specific embodiment, described switch control unit 22 include the first N-channel MOS pipe M1 with
And the second N-channel MOS pipe M2, the base stage of described first N-channel MOS pipe M1 and the second N-channel MOS pipe M2 respectively with control core
Sheet 21 electrically connects, and the source electrode of the first N-channel MOS pipe M1 connects the negative pole of rechargeable battery 10, the drain electrode of the first N-channel MOS pipe M1
Connecting the drain electrode of the second N-channel MOS pipe M2, described 2nd N links up the source electrode connection power supply of metal-oxide-semiconductor and picks out negative terminal BATT-.This reality
Executing in example, portable power source, by the first N-channel MOS pipe M1 and the second N-channel MOS pipe M2, can be carried out by control chip 21
Battery protection, it is to be understood that the first N-channel MOS pipe M1 and the second N-channel MOS pipe M2 can also replace to other shapes
The switching tube of formula.
Refer to Fig. 2, in a specific embodiment, described portable power source also includes protective resistance R3, described protection electricity
One end of resistance R3 electrically connects with control chip 21, and the other end connects the source electrode of described second N-channel MOS pipe M2 and picks out negative with power supply
The common node that end BATT-connects.In the present embodiment, this protection circuit can avoid the end that arranges of control chip 21 directly to connect
Ground.In the present embodiment, this portable power source also includes by the first resistance R1 and the filtration module formed of the first electric capacity C1.
Refer to Fig. 3, in embodiments of the present invention, the battery protection active circuit of this portable power source, described portable power source
In be provided with control chip 21, described battery protection active circuit 23 includes pulse generation module 231 and switch module 232, institute
The control end stating switch module 232 electrically connects with pulse generation module 231, the input of switch module 232 and control chip 21
Electrical connection, the outfan of switch module 232 electrically connects with ground terminal；
Described pulse generation module 231, for generating high level pulse signal according to triggering signal, and is delivered to switching molding
Block 232；
Described switch module 232, in the conduction state according to the high level pulse signal received, and makes control chip
21 electrically connect with ground terminal, to activate control chip 21.
In the present embodiment, this triggering signal can produce according to the pressing operation of user or pushing operation.This pulse is raw
Become module 231 response to trigger signal and generate high level pulse signal, switch module 232 can be made to lead as a kind of activation signal
Logical, can make control chip 21 arranges end ground connection, so, thus it is possible to vary the current potential arranging end of control chip 21, to activate
Control chip 21, it is thus possible to activate portable power source, convenient outdoor use under conditions of not possessing charging.
Technical scheme includes pulse generation module 231 and switch module 232, the control of described switch module 232
End processed electrically connects with pulse generation module 231, and the input of switch module 232 electrically connects with control chip 21, switch module 232
Outfan electrically connect with ground terminal；When portable power source needs to activate, can produce by triggering pulse generation module 231
High level pulse signal, switch module 232 makes arranging of control chip 21 hold ground connection according to high level pulse signal conduction, as
This, can make the potential change arranging end of control chip 21, and then activate control chip 21, under conditions of not possessing charging
Activate portable power source, convenient outdoor use.
Refer to Fig. 4, in a specific embodiment, described pulse generation module 231 is shift knob SW1, described in open
The input of pass button SW1 picks out anode BATT+ and electrically connects with power supply.In the present embodiment, when shift knob SW1 presses, permissible
Produce a high-frequency ac pulse signal.It should be understood that shift knob SW1 can be with the switch of other form, such as push button
Switch etc..Preferably, described shift knob SW1 shares a switch with the electricity button of portable power source, to reduce switch number
Amount.
Refer to Fig. 4, in a specific embodiment, described switch module 232 is N-channel MOS pipe M3, described N-channel
The grid of metal-oxide-semiconductor M3 is connected with the outfan of shift knob SW1, the source electrode of N-channel MOS pipe M3 respectively with control chip 21 and electricity
Source picks out negative terminal BATT-electrical connection, the grounded drain of N-channel MOS pipe M3.In the present embodiment, the base stage of N-channel MOS pipe M3 connects
Turn on during high level, the source electrode of N-channel MOS pipe M3 and drain electrode conducting so that control chip 21 and power supply pick out negative terminal BATT-and connect
Ground.
Refer to Fig. 4, in a specific embodiment, described switch module 232 also includes the 4th resistance R4, the described 4th
The two ends of resistance R4 connect grid and the drain electrode of N-channel MOS pipe M3 respectively.In the present embodiment, the 4th resistance R4 is divider resistance,
To protect N-channel MOS pipe M3.
Refer to Fig. 4, in a specific embodiment, described battery protection active circuit 23 also include the second electric capacity C2,
The two ends connecting valve button SW1 respectively of diode D1 and the 3rd resistance R3, described second electric capacity C2 picks out end and N-channel
The common node that the grid of metal-oxide-semiconductor M3, the anode connecting valve button SW1 of described diode D1 and the second electric capacity C2 connect, two
The negative terminal of pole pipe D1 connects one end of the 3rd resistance R3, and the other end of described 3rd resistance R3 connects power supply and picks out negative terminal BATT-.
In the present embodiment, the second electric capacity C2 has the effect every straight-through friendship, and diode D1 and the 3rd resistance R3 avoids power supply just to pick out
End BATT+ picks out negative terminal BATT-short circuit with power supply.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every at this
Under the inventive concept of invention, utilize the equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly/indirectly use
The technical field relevant at other is included in the scope of patent protection of the present invention.
Claims (9)
1. a battery protection active circuit for portable power source, is provided with control chip in described portable power source, it is characterised in that
Described battery protection active circuit includes pulse generation module and switch module, and the control end of described switch module generates with pulse
Module electrically connects, and the input of switch module electrically connects with control chip, and the outfan of switch module electrically connects with ground terminal；
Described pulse generation module, for generating high level pulse signal according to triggering signal, and is delivered to switch module；
Described switch module, in the conduction state according to the high level pulse signal received, and makes control chip and ground connection
Terminal electrically connects, to activate control chip.
2. the battery protection active circuit of portable power source as claimed in claim 1, it is characterised in that described pulse generation module
For shift knob, the input of described shift knob picks out anode with power supply and electrically connects.
3. the battery protection active circuit of portable power source as claimed in claim 2, it is characterised in that described switch module is N
Channel MOS tube, the described grid of N-channel MOS pipe is connected with the outfan of shift knob, the source electrode of N-channel MOS pipe respectively with control
Coremaking sheet and power supply pick out negative terminal electrical connection, the grounded drain of N-channel MOS pipe.
4. the battery protection active circuit of portable power source as claimed in claim 3, it is characterised in that described switch module also wraps
Including the 4th resistance, the two ends of described 4th resistance connect grid and the drain electrode of N-channel MOS pipe respectively.
5. the battery protection active circuit of portable power source as claimed in claim 3, it is characterised in that described battery protection activates
Circuit also includes the second electric capacity, diode and the 3rd resistance, picking out of the two ends of described second electric capacity connecting valve button respectively
The common node that end and the grid of N-channel MOS pipe, the anode connecting valve button of described diode and the second electric capacity connect, two
The negative terminal of pole pipe connects one end of the 3rd resistance, and the other end of described 3rd resistance connects power supply and picks out negative terminal.
6. the battery protection active circuit of the portable power source as described in any one of claim 2 to 5, it is characterised in that described in open
The electricity button closing button and portable power source shares a switch.
7. a portable power source, including rechargeable battery and battery protecting circuit, the positive pole of described rechargeable battery connects power supply and picks out
Anode, the negative pole of rechargeable battery connects power supply and picks out negative terminal, it is characterised in that described battery protecting circuit include control chip,
Switch control unit and battery activated unit, described control chip respectively with the controlled end of switch control unit, battery activated
Unit and power supply pick out anode electrical connection, and the input of described switch control unit is connected with the negative electricity of rechargeable battery, opens
The outfan of pass control unit picks out negative terminal with power supply and electrically connects；
Described battery activated unit includes the battery protection active circuit of the portable power source as described in any one of claim 1 to 6.
8. portable power source as claimed in claim 7, it is characterised in that described switch control unit includes the first N-channel MOS pipe
And the second N-channel MOS pipe, the base stage of described first N-channel MOS pipe and the second N-channel MOS pipe respectively with control chip electricity
Connecting, the source electrode of the first N-channel MOS pipe connects the negative pole of rechargeable battery, and the drain electrode of the first N-channel MOS pipe connects the second N-channel
The drain electrode of metal-oxide-semiconductor, described 2nd N links up the source electrode connection power supply of metal-oxide-semiconductor and picks out negative terminal.
9. portable power source as claimed in claim 8, it is characterised in that described portable power source also includes protective resistance, described guarantor
The one end protecting resistance electrically connects with control chip, and the other end connects the source electrode of described second N-channel MOS pipe and picks out negative terminal with power supply
The common node connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794523.7A CN106160124A (en) | 2016-08-31 | 2016-08-31 | The battery protection active circuit of portable power source and portable power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794523.7A CN106160124A (en) | 2016-08-31 | 2016-08-31 | The battery protection active circuit of portable power source and portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106160124A true CN106160124A (en) | 2016-11-23 |
Family
ID=57345551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610794523.7A Pending CN106160124A (en) | 2016-08-31 | 2016-08-31 | The battery protection active circuit of portable power source and portable power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160124A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106785133A (en) * | 2016-11-30 | 2017-05-31 | 捷开通讯(深圳)有限公司 | A kind of activation method for lithium battery and device |
| CN110739732A (en) * | 2018-07-20 | 2020-01-31 | 炬芯（珠海）科技有限公司 | Portable electronic equipment, chip, charging system and charging method thereof |
| CN113364080A (en) * | 2021-05-17 | 2021-09-07 | 添可智能科技有限公司 | Activation circuit, battery management system and cleaning equipment |
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| CN206076997U (en) * | 2016-08-31 | 2017-04-05 | 深圳市华美兴泰科技股份有限公司 | The battery protection active circuit of portable power source and portable power source |
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| CN204441869U (en) * | 2014-12-19 | 2015-07-01 | 惠州市德赛电池有限公司 | A kind of can the startup power supply lithium battery protection circuit of restarting |
| CN206076997U (en) * | 2016-08-31 | 2017-04-05 | 深圳市华美兴泰科技股份有限公司 | The battery protection active circuit of portable power source and portable power source |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785133A (en) * | 2016-11-30 | 2017-05-31 | 捷开通讯(深圳)有限公司 | A kind of activation method for lithium battery and device |
| CN110739732A (en) * | 2018-07-20 | 2020-01-31 | 炬芯（珠海）科技有限公司 | Portable electronic equipment, chip, charging system and charging method thereof |
| CN110739732B (en) * | 2018-07-20 | 2022-01-25 | 炬芯科技股份有限公司 | Portable electronic equipment, chip, charging system and charging method thereof |
| CN113364080A (en) * | 2021-05-17 | 2021-09-07 | 添可智能科技有限公司 | Activation circuit, battery management system and cleaning equipment |
| CN113364080B (en) * | 2021-05-17 | 2023-08-01 | 添可智能科技有限公司 | Activation circuit, battery management system and cleaning device |
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Application publication date: 20161123 |