CN205960718U - Battery protection circuit - Google Patents
Battery protection circuit Download PDFInfo
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- CN205960718U CN205960718U CN201620896683.8U CN201620896683U CN205960718U CN 205960718 U CN205960718 U CN 205960718U CN 201620896683 U CN201620896683 U CN 201620896683U CN 205960718 U CN205960718 U CN 205960718U
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- battery
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- control signal
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a battery protection circuit, include: start detection circuitry, shutdown detection circuitry, battery control circuit. Detecting electronic equipment at start detection circuitry and being triggered the start or be in under the circumstances of start state, send a control signal to battery control circuit, control batteries discharges. It is triggered that shut down or electronic equipment is in under power off's the condition to detect electronic equipment at shutdown detection circuitry, send the 2nd control signal to battery control circuit, control batteries stops to discharge, thereby can be at electronic equipment when being triggered the shutdown or being in power off, the battery stops to provide required electric energy for it, be in under the state that shuts down at electronic equipment among the prior art even solved, battery among the electronic equipment also is in the discharge condition always, lead to the easy ageing problem of electronic equipment, electronic equipment's fault rate has been reduced, electronic equipment's danger has been reduced.
Description
Technical field
The utility model is related to battery protection technical field and in particular to a kind of battery protecting circuit.
Background technology
The electronic equipment of existing various use battery, such as handheld device, mobile unit, helmet, electric motor car etc.,
In the case of equipment shutdown, typically all in complete power output state, the part of devices in electronic equipment is in battery all the time
The holding state being powered, after time length, is easily caused that electronic equipment is aging and potential safety hazard, increased fault rate and danger
Dangerous.
For in prior art, even if in the state of electronic equipment is in shutdown, the battery in electronic equipment is also always
It is in discharge condition, lead to the easily aging problem of electronic equipment, also do not propose effective solution.
Utility model content
The utility model provides a kind of battery protecting circuit, though for solve prior art at electronic equipment
In the state of shutdown, the battery in electronic equipment is also constantly in discharge condition, leads to the easily aging problem of electronic equipment.
A kind of one side according to the utility model embodiment, there is provided battery protecting circuit, described battery protection electricity
Road includes：The start testing circuit of electronic equipment, the closedown detection circuit of described electronic equipment, battery control circuit；Described open
Machine examination slowdown monitoring circuit and described closedown detection circuit are respectively connecting to described battery control circuit, described battery control circuit connect to
The battery of described electronic equipment；Described start testing circuit detect described electronic equipment be triggered start or described electronics
In the case that equipment is in open state, send the first control signal to described battery control circuit, control described battery to carry out
Electric discharge；Described closedown detection circuit detect described electronic equipment be triggered shutdown or described electronic equipment be in shutdown shape
In the case of state, send the second control signal to described battery control circuit, control described battery to stop electric discharge.
Alternatively, described first control signal includes high level signal, and described second control signal includes low level signal.
Alternatively, described first control signal includes low level signal, and described second control signal includes high level signal.
Alternatively, described start testing circuit includes：Starting key testing circuit, is under holding state for detection
Whether the power knob of described electronic equipment is pressed.
Alternatively, described start testing circuit includes：First resistor and second resistance, described first resistor and described second
Resistance is respectively connecting to the standby power of described electronic equipment；Transistor, the grid of described transistor connects and sets to described electronics
Standby power knob and described first resistor, the drain electrode of described transistor connects to described second resistance, the source of described transistor
Pole connects to earthing potential；Electric capacity, connects the drain electrode to described transistor and earthing potential；Diode, the sun of described diode
Pole connects to earthing potential, and the negative electrode of described diode connects to the drain electrode of described transistor, and exports described first control letter
Number.
Alternatively, described closedown detection circuit connects to the standby power of described electronic equipment, touches shutdown has been detected
During signalling, export described second control signal.
Alternatively, described closedown detection circuit includes：ALU, connects to described standby power, to input
Level signal exports operation result after carrying out logical operation；Rp unit, connects to described ALU and described battery
The Enable Pin of control circuit, the operation result for exporting described ALU exports described the after carrying out anti-phase process
Two control signals.
Alternatively, described ALU includes and door, and described rp unit includes phase inverter.
Technical solutions of the utility model, have the advantage that：
A kind of battery protecting circuit that the utility model provides, including：Start testing circuit, closedown detection circuit, battery
Control circuit.Electronic equipment is detected in start testing circuit to be triggered start or in the case of being in open state, send
First control signal, to battery control circuit, controls battery to be discharged by battery control circuit, such that it is able in electronic equipment
When being triggered start or being in open state, battery provides required electric energy for it.Electricity is detected in closedown detection circuit
Sub- equipment is triggered shutdown or in the case that electronic equipment is in off-mode, sends the second control signal and controls electricity to battery
Road, by battery control circuit control battery stop electric discharge, such that it is able to electronic equipment be triggered shutdown or be in shutdown
During state, battery stops providing required electric energy for it, even if solving the shape being in shutdown in prior art in electronic equipment
Under state, the battery in electronic equipment is also constantly in discharge condition, leads to the easily aging problem of electronic equipment, reduces electronics
The fault rate of equipment, reduces the danger of electronic equipment.
Brief description
In order to be illustrated more clearly that the utility model specific embodiment or technical scheme of the prior art, below will be right
In specific embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the battery protecting circuit according to the utility model embodiment；
Fig. 2 is the battery control circuit exemplary plot according to the utility model embodiment；
Fig. 3 is the start testing circuit exemplary plot according to the utility model embodiment.
Specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of not making creative work, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, are only
For the ease of description the utility model with simplify description, rather than instruction or the hint device of indication or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
Can also be the connection of two element internals, can be wireless connection or wired connection.Common skill for this area
For art personnel, concrete meaning in the utility model for the above-mentioned term can be understood with concrete condition.
As long as additionally, involved technical characteristic in the utility model different embodiments disclosed below is each other
The conflict of not constituting just can be combined with each other.
Embodiment 1
Provide a kind of battery protecting circuit in the present embodiment, Fig. 1 is that the battery according to the utility model embodiment is protected
The structural representation of protection circuit, as shown in figure 1, battery protecting circuit includes：
Start testing circuit 11, closedown detection circuit 12, battery control circuit 13.Electricity is detected in start testing circuit 11
Sub- equipment is triggered in the case of starting shooting or being in open state, transmission the first control signal to battery control circuit 13, by
Battery control circuit 13 control battery discharged, such that it is able to electronic equipment be triggered start or be in open state
When, battery provides required electric energy for it.Closedown detection circuit 12 detect electronic equipment be triggered shutdown or electronics set
For in the case of being in off-mode, sending the second control signal to battery control circuit 13, controlled by battery control circuit 13
Battery stops electric discharge, such that it is able in electronic equipment, when being triggered shutdown or being in off-mode, battery stops carrying for it
For required electric energy.Compared in prior art, in the state of electronic equipment is not started shooting, battery is powered defeated all in total power
Do well, after time length, easily occur aging, increased fault rate and the danger of electronic equipment, this alternative embodiment
Even if the battery protecting circuit providing solves in prior art in the state of electronic equipment is in shutdown, in electronic equipment
Battery is also constantly in discharge condition, leads to the easily aging problem of electronic equipment, reduces the fault rate of electronic equipment, reduces
The danger of electronic equipment.
Above-mentioned electronic equipment can be for example handheld device, mobile unit, helmet, electric motor car etc..
In one alternate embodiment, the first control signal includes high level signal, and the second control signal includes low level
Signal.In another alternative embodiment, the first control signal includes low level signal, and the second control signal includes high level letter
Number.Fig. 2 is the battery control circuit exemplary plot according to the utility model embodiment, below Fig. 2 is explained.
Starting-up signal and run signal (wherein, this starting-up signal and run signal are equivalent to above-mentioned first control signal) point
Do not connect to described battery control circuit, the output control signal of battery control circuit connects the battery output to electronic equipment
Control and enable；Starting-up signal is generally the low level short-circuit signal that the starting key of electronic equipment produces.Run signal is generally
The high level run signal that electronic equipment is given after running.
When starting key is not pressed, starting-up signal is suspended state, and the V of battery control circuit makes Q26 by R81, R80
Control extremely high level conducting, and then make Q34 control extremely low level to turn off by R83；Run signal is outstanding before being not keyed up
Floating state, the Q27 control pole of battery control circuit is passed through R86, R91 and is grounded, and Q27 turns off；When key is not pressed, and run letter
When number invalid, then V makes battery output control signal by R112, R88 is high level, this high level can be considered control battery not to
Outer electric discharge.
When starting key is pressed, starting-up signal is low level short-circuit signal, so that Q26 is controlled by R309, R80 extremely low
Level turns off, and then makes V make Q34 control extremely high level conducting by R82, R83, and then makes battery output control signal be low
Level；Now effectively whether, that is, whether Q27 turns on run signal, and not affecting battery output control signal is low level；This low electricity
Flat can be considered controls battery to be discharged；After electronic equipment brings into operation, provide the run signal of high level, made by R86
Q27 controls extremely high level conducting, and then makes battery output control signal be low level；Now whether starting-up signal is effective, that is,
Whether Q34 turns on, and not affecting battery output control signal is low level；This low level we can be considered control battery put
Electricity.
And when starting-up signal, run signal are all no longer valid, that is, key is not pressed, and electronic equipment is not given
The run signal of high level, as it was previously stated, then V makes battery output control signal by R112, R88 is high level, this high level
We can be considered that control battery does not outwards discharge.
As the change of foregoing circuit, starting-up signal, run signal and battery output control signal can be according to circuit controls
Logic processed need that effectively or Low level effective is it is only necessary to by increasing negative circuit in related circuit for high level.
Typically by way of button, electronic equipment is booted up or shut down, in one alternate embodiment, start
Testing circuit includes：Starting key testing circuit, for detecting that the power knob of this electronic equipment being under holding state is
No it is pressed.In the case of detecting and being pressed, starting key testing circuit judges that electronic equipment is triggered start.
Above-mentioned start testing circuit 11 can be realized by multiple circuit forms, and Fig. 3 is according to the utility model embodiment
Start testing circuit exemplary plot, start testing circuit 11 include：First resistor and second resistance, first resistor and second resistance
It is respectively connecting to the standby power of electronic equipment；Transistor, the grid of this transistor connect to electronic equipment power knob and
First resistor, the drain electrode of transistor connects to second resistance, and the source electrode of transistor connects to earthing potential；Electric capacity, connects to crystalline substance
The drain electrode of body pipe and earthing potential；Diode, the anode of this diode connects to earthing potential, the negative electrode of this diode connect to
The drain electrode of transistor, and export this first control signal.
In one alternate embodiment, closedown detection circuit 12 connects to the standby power of electronic equipment, is detecting
During shutdown trigger, export this second control signal.
The version of above-mentioned closedown detection circuit 12 can also include many kinds, in one alternate embodiment, shutdown
Testing circuit 12 includes：ALU, connects to standby power, carries out output after logical operation to the level signal of input
Operation result；Rp unit, connects the Enable Pin to ALU and battery control circuit, for by ALU
The operation result of output exports this second control signal after carrying out anti-phase process.
In one alternate embodiment, ALU includes and door, and rp unit includes phase inverter.
In sum, electronic equipment can be realized by the battery protecting circuit of the utility model embodiment electric at work
Pond is normal output state, and when equipment shutdown does not work, corresponding output, thus avoiding and reducing accordingly because of electricity closed by battery
Regardless of whether in working order, its battery is in potential safety hazard and the ageing equipment that total power output state brings to sub- equipment all the time
Risk.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among the protection domain created still in the utility model.
Claims (8)
1. a kind of battery protecting circuit is it is characterised in that described battery protecting circuit includes：The start detection electricity of electronic equipment
Road, the closedown detection circuit of described electronic equipment, battery control circuit；
Described start testing circuit and described closedown detection circuit are respectively connecting to described battery control circuit, and described battery controls
Circuit connects to the battery of described electronic equipment；
Described start testing circuit detect described electronic equipment be triggered start or described electronic equipment be in start shape
In the case of state, send the first control signal to described battery control circuit, control described battery to be discharged；
Described closedown detection circuit detect described electronic equipment be triggered shutdown or described electronic equipment be in shutdown shape
In the case of state, send the second control signal to described battery control circuit, control described battery to stop electric discharge.
2. battery protecting circuit according to claim 1 is it is characterised in that include：
Described first control signal includes high level signal, and described second control signal includes low level signal.
3. battery protecting circuit according to claim 1 is it is characterised in that include：
Described first control signal includes low level signal, and described second control signal includes high level signal.
4. battery protecting circuit according to claim 1 is it is characterised in that described start testing circuit includes：
Starting key testing circuit, for detection be in the power knob of described electronic equipment under holding state whether by by
Pressure.
5. battery protecting circuit according to claim 1 is it is characterised in that described start testing circuit includes：
First resistor and second resistance, described first resistor and described second resistance are respectively connecting to the standby of described electronic equipment
Power supply；
Transistor, the grid of described transistor connects power knob and described first resistor to described electronic equipment, described crystalline substance
The drain electrode of body pipe connects to described second resistance, and the source electrode of described transistor connects to earthing potential；
Electric capacity, connects the drain electrode to described transistor and earthing potential；
Diode, the anode of described diode connects to earthing potential, and the negative electrode of described diode connects to described transistor
Drain electrode, and export described first control signal.
6. battery protecting circuit according to claim 1 is it is characterised in that described closedown detection circuit connects to described electricity
The standby power of sub- equipment, when shutdown trigger has been detected, exports described second control signal.
7. battery protecting circuit according to claim 6 is it is characterised in that described closedown detection circuit includes：
ALU, connects to described standby power, carries out output computing knot after logical operation to the level signal of input
Really；
Rp unit, connects to the Enable Pin of described ALU and described battery control circuit, for by described logic
The operation result of arithmetic element output exports described second control signal after carrying out anti-phase process.
8. battery protecting circuit according to claim 7 is it is characterised in that described ALU includes and door, institute
State rp unit and include phase inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896683.8U CN205960718U (en) | 2016-08-17 | 2016-08-17 | Battery protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896683.8U CN205960718U (en) | 2016-08-17 | 2016-08-17 | Battery protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960718U true CN205960718U (en) | 2017-02-15 |
Family
ID=57974994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620896683.8U Active CN205960718U (en) | 2016-08-17 | 2016-08-17 | Battery protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100071A (en) * | 2016-08-17 | 2016-11-09 | 北京拓盛智联技术有限公司 | A kind of battery protecting circuit |
| CN108242827A (en) * | 2016-12-27 | 2018-07-03 | 深圳鼎智通讯股份有限公司 | The switching on and shutting down charging circuit and method of belt path control |
-
2016
- 2016-08-17 CN CN201620896683.8U patent/CN205960718U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100071A (en) * | 2016-08-17 | 2016-11-09 | 北京拓盛智联技术有限公司 | A kind of battery protecting circuit |
| CN106100071B (en) * | 2016-08-17 | 2019-02-19 | 北京拓盛智联技术有限公司 | A kind of battery protecting circuit |
| CN108242827A (en) * | 2016-12-27 | 2018-07-03 | 深圳鼎智通讯股份有限公司 | The switching on and shutting down charging circuit and method of belt path control |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |