CN106129969A - Battery protecting circuit, battery and mobile terminal - Google Patents
Battery protecting circuit, battery and mobile terminal Download PDFInfo
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- CN106129969A CN106129969A CN201610607984.9A CN201610607984A CN106129969A CN 106129969 A CN106129969 A CN 106129969A CN 201610607984 A CN201610607984 A CN 201610607984A CN 106129969 A CN106129969 A CN 106129969A
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- field effect
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- effect transistor
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- 230000005669 field effect Effects 0.000 claims description 111
- 239000004065 semiconductor Substances 0.000 claims description 98
- 238000001514 detection method Methods 0.000 claims description 35
- 230000005611 electricity Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 description 17
- 230000002159 abnormal effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect 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
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- H02J7/0091—
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Protection Of Static Devices (AREA)
Abstract
The invention provides a kind of battery protecting circuit, battery and mobile terminal; battery protecting circuit includes: voltage collection circuit; first end of voltage collection circuit is connected to the positive pole of battery body; second end of voltage collection circuit is connected to the negative pole of battery body, and voltage collection circuit is for gathering the information of voltage of battery body；Current collection circuit, the first end of current collection circuit is connected to the negative pole of battery body, and the second end of current collection circuit is connected to the first regulation and control device, and current collection circuit is for gathering the discharge current information of battery body；First control module, it is respectively connecting to voltage collection circuit, current collection circuit and the first regulation and control device, first control module, for the information of voltage according to battery body and the discharge current information of battery body, controls the first regulation and control device and is on or cut-off state.
Description
Technical field
The present invention relates to circuit engineering field, in particular to a kind of battery protecting circuit, a kind of battery and a kind of shifting
Dynamic terminal.
Background technology
Along with the complication of mobile terminal system, system occurs that abnormal (as crashed) situation gets more and more, and a lot of terminal
Equipment can not realize restarting after length is by key, because system is already at abnormal operational conditions, only energy realizes weight
The method of opening again connects battery after being off battery and powers on, and for the mobile terminal of some battery-disassembleds, user can pass through hands
Dynamic dismounting is installed again, complex operation, and mobile terminal non-removable for battery (such as mobile phone and flat board), system once occurs
Abnormal (as crashed), then mobile terminal will cannot be started up always.
Therefore, in the case of not dismantling battery, how to realize restarting of mobile terminal become technology urgently to be resolved hurrily and ask
Topic.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, it is proposed that a kind of new battery protecting circuit, it is possible to
In the case of not dismantling battery, disconnect and recover the connection of battery and mobile terminal, to realize restarting of mobile terminal.
In view of this, the present invention proposes a kind of battery protecting circuit, including: voltage collection circuit, described voltage acquisition
First end of circuit is connected to the positive pole of battery body, and the second end of described voltage collection circuit is connected to described battery body
Negative pole, described voltage collection circuit is for gathering the information of voltage of described battery body；Current collection circuit, described current acquisition
First end of circuit is connected to the negative pole of described battery body, and the second end of described current collection circuit is connected to the first modulator
Part, described current collection circuit is for gathering the discharge current information of described battery body；First control module, described first control
Molding block is respectively connecting to described voltage collection circuit, described current collection circuit and described first regulation and control device, and described the
One control module, for the information of voltage according to described battery body and the discharge current information of described battery body, controls institute
State the first regulation and control device to be on or cut-off state；Wherein, when described first regulation and control device is in cut-off state, described battery
Body stops providing running voltage for mobile terminal, and when described first regulation and control device is in the conduction state, described battery body continues
Continue and provide running voltage for described mobile terminal.
In this technical scheme, when abnormal (such as deadlock etc.) occurs in mobile terminal, it is used for as mobile terminal offer work
The voltage of the battery body of voltage and discharge current all can occur exception, so gathering electricity by arranging voltage collection circuit
The voltage of pressure body, arranges current collection circuit to gather the discharge current of voltage body, and by the first control module according to electricity
The pressure voltage of body and electric current determine battery body whether abnormal electrical power supply, so that it is determined that whether mobile terminal occurs that deadlock etc. is different
Reason condition, and the first regulation and control device is set, when the first control module controls the first regulation and control device cut-off, battery body stopping is
Mobile terminal provides running voltage, and when the first control module controls the first regulation and control break-over of device, battery body continues as mobile
Terminal provides running voltage such that it is able in the case of not dismantling battery, disconnect and recover the connection of battery and mobile terminal,
To realize restarting of mobile terminal.
In technique scheme, it is preferable that described first control module is continuously detected described electricity in the given time
When the voltage of pond body is more than predetermined current threshold less than the discharge current of predetermined voltage threshold and described battery body, control institute
State the first regulation and control device and be in cut-off state, and when the duration that described first regulation and control device is in cut-off state arrives first
Time long, control described first regulation and control device and recover to conducting state.
In this technical scheme, if the first control module in the scheduled time (as the scheduled time was more than or equal to 60 seconds, specifically
Can arrange according to the actual requirements) in be continuously detected the voltage of battery body and (such as 3.2v, specifically may be used less than predetermined voltage threshold
Arrange according to the actual requirements) and battery body discharge current more than predetermined current threshold (such as 1 milliampere, specifically can be according to reality
Border demand is arranged) time, determine that the abnormal conditions such as deadlock occurs in mobile terminal, now control the first regulation and control device and be in cut-off shape
State, battery body stops providing running voltage, i.e. mobile terminal power down for mobile terminal, and is in cut-off at the first regulation and control device
When the duration of state arrives the first duration (such as 5 seconds, specifically can arrange according to the actual requirements), control the first regulation and control device and recover
To conducting state, battery body continues as mobile terminal provides running voltage, i.e. mobile terminal to re-power, thus realizes mobile
Restarting of terminal.
In any of the above-described technical scheme, it is preferable that described first control module also includes for detecting whether have low
At described signal detection end, the signal detection end of level signal input, has detected that low level signal inputs, and described low level
When the duration of signal input is more than or equal to the second duration, described first control module controls at described first regulation and control device
In cut-off state, the duration inputted at described low level signal is less than described second duration or examines at described signal detection end
When having measured high level signal input, it is in the conduction state that described first control module controls described first regulation and control device.
In this technical scheme, the first control module also includes signal detection end, when signal detection end has detected low electricity
Ordinary mail number input, and low level signal input duration more than or equal to the second duration (such as 10 seconds, specifically can be according to reality
Demand is arranged) time, now first control module control the first regulation and control device is in cut-off state, and battery body stops as mobile
Terminal provides running voltage, i.e. mobile terminal power down, and the duration in low level signal input less than the second duration or is being believed
Number test side has detected when high level signal inputs, then it is in the conduction state to control the first regulation and control device, and battery body continues
There is provided running voltage, i.e. mobile terminal to re-power for mobile terminal, thus realize restarting of mobile terminal.
In any of the above-described technical scheme, it is preferable that also include: the first critesistor, described first critesistor
First end is connected to the temperature detection end of described first control module, and the second end of described first critesistor is connected to the second tune
Control device, described first critesistor is for gathering the temperature information of described battery body；Described second regulation and control device, described the
Two regulation and control devices are connected to described first control module and described first regulation and control device, and described first control module is according to described
The temperature information of battery body controls described first regulation and control device and described second regulation and control device is on or cut-off state.
In this technical scheme, it is contemplated that correlation technique is based primarily upon software and is charged battery body protecting, one
There is exception in denier software, and battery body is likely to carry out large current charge in high temperature or low temperature, and battery body understands steep temperature rise,
And then explode, even threaten user's personal safety, so detect the temperature of battery body by arranging the first critesistor
Degree information, and the second regulation and control device is set, by the first control module according to the temperature information of battery body, control the first modulator
Part and the second regulation and control device are on or cut-off state, thus realize the charge protection to battery body on hardware, effectively
Ground has been evaded employing software and battery body has been charged the safety problem that protection is caused.
In any of the above-described technical scheme, it is preferable that described first control module detects the temperature of described battery body
When degree is more than the first predetermined temperature threshold, controls described first regulation and control device and described second regulation and control device be in cut-off state,
And described first control module is when the temperature of described battery body being detected less than the second predetermined temperature threshold, control described the
One regulation and control device and described second regulation and control device are in the conduction state, and wherein, described first predetermined temperature threshold is more than described the
Two predetermined temperature threshold.
In this technical scheme, the first control module detects that the temperature of described battery body is more than the first predetermined temperature threshold
Value (such as 70 DEG C, specifically can arrange according to the actual requirements), controls the first regulation and control device and described second regulation and control device is in and cuts
Only state, thus cut off the charging path of battery body, battery body to be charged protection, it is ensured that the peace of charging process
Quan Xing, prevents battery body from accident occurring because temperature is too high, when the first control module detects that the temperature of battery body is less than
Second predetermined temperature threshold (such as 65 DEG C, specifically can arrange according to the actual requirements), controls the first regulation and control device and the second regulation and control
Device is in the conduction state, to recover the charging path of battery body, continues as battery body charging, thus does not affect and normally fill
Electric process.
In any of the above-described technical scheme, it is preferable that described first regulation and control device includes: the first metal-oxide-semiconductor field effect transistor, institute
The grid stating the first metal-oxide-semiconductor field effect transistor is connected to the control of discharge end of described first control module, described first metal-oxide-semiconductor field effect transistor
Source electrode be connected to the second end of described current collection circuit；First diode, the anode of described first diode is connected to institute
Stating the source electrode of the first metal-oxide-semiconductor field effect transistor, the negative electrode of described first diode is connected to the drain electrode of described first metal-oxide-semiconductor field effect transistor；
Described second regulation and control device includes: the second metal-oxide-semiconductor field effect transistor, the grid of described second metal-oxide-semiconductor field effect transistor is connected to described first
The charging of control module controls end, and the drain electrode of described second metal-oxide-semiconductor field effect transistor is connected to the leakage of described first metal-oxide-semiconductor field effect transistor
Pole, the source electrode of described second metal-oxide-semiconductor field effect transistor is connected to the second end of described first critesistor；Second diode, described
The anode of two diodes is connected to the source electrode of described second metal-oxide-semiconductor field effect transistor, and the negative electrode of described second diode is connected to described
The drain electrode of the second metal-oxide-semiconductor field effect transistor.Wherein, MOS (Metal-Oxide-Semiconductor, Metal-oxide-semicondutor)
Field effect transistor.
In any of the above-described technical scheme, it is preferable that described voltage collection circuit includes: the first resistance, described first
First end of resistance is as the first end of described voltage collection circuit, and the second end of described first resistance is connected to described first control
The feeder ear of molding block；First electric capacity, the first end of described first electric capacity is connected to the second end of described first resistance, and described
Second end of one electric capacity is connected to described first as the second end of described voltage collection circuit, the second end of described first electric capacity
The earth terminal of control module.
In any of the above-described technical scheme, it is preferable that described current collection circuit includes: the second resistance, described second
First end of resistance is as the first end of described current collection circuit, and the second end of described second resistance is as described current acquisition
Second end of circuit；Second electric capacity, the first end of described second electric capacity is connected to the first end of described second resistance and described
First discharge current test side of the first control module, the second end of described second electric capacity is connected to the second of described second resistance
End and the second discharge current detection of described first control module.
In any of the above-described technical scheme, it is preferable that also include: the 3rd resistance, the first end of described 3rd resistance is even
It is connected to the positive pole of described battery body；3rd electric capacity, the first end of described 3rd electric capacity is connected to the second of described 3rd resistance
End and the feeder ear of the second control module, the second end of described 3rd electric capacity is connected to the negative pole of described battery body；Described
Second control module, the earth terminal of described second control module is connected to the first end of described current collection circuit, and described second
The sheet of control module selects end to be connected to the second end of described current collection circuit, and the control of discharge end of described second control module is even
Being connected to the grid of the 3rd metal-oxide-semiconductor field effect transistor, the charging of described second control module controls end and is connected to described 4th MOS field effect
The grid of pipe, the over-current detection end of described second control module is connected to the first end of the 4th resistance, the of described 4th resistance
Two ends are connected to described first regulation and control device；Described 3rd metal-oxide-semiconductor field effect transistor, the source electrode of described 3rd metal-oxide-semiconductor field effect transistor connects
The second end to described current collection circuit；3rd diode, the anode of described 3rd diode is connected to described 3rd MOS field
The source electrode of effect pipe, the negative electrode of described 3rd diode is connected to the drain electrode of described 3rd metal-oxide-semiconductor field effect transistor；Described 4th MOS
Field effect transistor, the drain electrode of described 4th metal-oxide-semiconductor field effect transistor is connected to the drain electrode of described 3rd metal-oxide-semiconductor field effect transistor, described 4th MOS
The source electrode of field effect transistor is connected to described first regulation and control device；4th diode, the anode of described 4th diode is connected to institute
Stating the source electrode of the 4th metal-oxide-semiconductor field effect transistor, the negative electrode of described 4th diode is connected to the drain electrode of described 4th metal-oxide-semiconductor field effect transistor.
In any of the above-described technical scheme, it is preferable that also include: the second critesistor, described second critesistor
First end is connected to the second end of described first critesistor, and described second critesistor is for gathering the temperature of described battery body
Degree information, and the temperature information of described battery body is exported by the second end of described second critesistor；5th resistance, described
5th resistance is connected to the first end of described second critesistor, and described 5th resistance is for gathering the mark of described battery body
Information, and the identification information of described battery body is exported by the second end of described 5th resistance.
Embodiment according to the second aspect of the invention, it is proposed that a kind of battery, including: battery body；And as above-mentioned
Battery protecting circuit according to any one of technical scheme；Wherein, described battery protecting circuit include the second critesistor,
In the case of the first control module in five resistance and described battery protecting circuit includes signal detection end, described signal is examined
Survey the end control end as described battery, for detecting whether there is low level signal to input, the positive pole of described battery body is made
For the positive pole of described battery, using the first end of described 5th resistance as the negative pole of described battery, the second of described 5th resistance
Hold as the mark end of described battery, for exporting the identification information of described battery body, by the of described second critesistor
Two ends are as the signal output part of described battery, for exporting the temperature information of described battery body.
Embodiment according to the third aspect of the invention we, it is proposed that a kind of mobile terminal, including: institute in technique scheme
The battery stated.
By above technical scheme, it is possible in the case of not dismantling battery, disconnect and recover battery and mobile terminal
Connect, to realize restarting of mobile terminal, and the charge protection to battery body can be realized from hardware, effectively evade
Use software that battery body is charged the safety problem that protection is caused.
Accompanying drawing explanation
Fig. 1 shows the structural representation of battery protecting circuit according to an embodiment of the invention；
Fig. 2 shows the schematic block diagram of battery according to an embodiment of the invention；
Fig. 3 shows the schematic block diagram of mobile terminal according to an embodiment of the invention；
Fig. 4 shows the exemplary flow of the control method of battery protecting circuit according to first embodiment of the invention
Figure；
Fig. 5 shows the exemplary flow of the control method of the battery protecting circuit of second embodiment according to the present invention
Figure；
Fig. 6 shows the exemplary flow of the control method of the battery protecting circuit of the 3rd embodiment according to the present invention
Figure.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, real with concrete below in conjunction with the accompanying drawings
The present invention is further described in detail by mode of executing.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, the present invention also may be used
Implementing to use other to be different from other modes described here, therefore, protection scope of the present invention is not by described below
The restriction of specific embodiment.
Fig. 1 shows the structural representation of battery protecting circuit according to an embodiment of the invention.
As it is shown in figure 1, battery protecting circuit 100 according to an embodiment of the invention, including: voltage collection circuit, described
First end of voltage collection circuit is connected to the positive pole of battery body 202, and the second end of described voltage collection circuit is connected to institute
Stating the negative pole of battery body 202, described voltage collection circuit is for gathering the information of voltage of described battery body 202；Electric current is adopted
Collector, the first end of described current collection circuit is connected to the negative pole of described battery body 202, described current collection circuit
Second end is connected to the first regulation and control device, and described current collection circuit is for gathering the discharge current letter of described battery body 202
Breath；First control module 102, described first control module 102 is respectively connecting to described voltage collection circuit, described current acquisition
Circuit and described first regulation and control device, described first control module for according to the information of voltage of described battery body 202 with
And the discharge current information of described battery body 202, control described first regulation and control device and be on or cut-off state；Wherein,
When described first regulation and control device is in cut-off state, described battery body 202 stops providing running voltage for mobile terminal, described
When first regulation and control device is in the conduction state, described battery body 202 continues as described mobile terminal and provides running voltage.
In this technical scheme, when abnormal (such as deadlock etc.) occurs in mobile terminal, it is used for as mobile terminal offer work
The voltage of the battery body of voltage and discharge current all can occur exception, so gathering electricity by arranging voltage collection circuit
The voltage of pressure body, arranges current collection circuit to gather the discharge current of voltage body, and by the first control module according to electricity
The pressure voltage of body and electric current determine battery body whether abnormal electrical power supply, so that it is determined that whether mobile terminal occurs that deadlock etc. is different
Reason condition, and the first regulation and control device is set, when the first control module controls the first regulation and control device cut-off, battery body stopping is
Mobile terminal provides running voltage, and when the first control module controls the first regulation and control break-over of device, battery body continues as mobile
Terminal provides running voltage such that it is able in the case of not dismantling battery, disconnect and recover the connection of battery and mobile terminal,
To realize restarting of mobile terminal.
In technique scheme, it is preferable that described first control module 102 is continuously detected described in the given time
The voltage of battery body 202 is more than predetermined current threshold less than the discharge current of predetermined voltage threshold and described battery body 202
Time, control described first regulation and control device and be in cut-off state, and be in the duration of cut-off state at described first regulation and control device
When arriving the first duration, control described first regulation and control device and recover to conducting state.
In this technical scheme, if the first control module 102 the scheduled time (if the scheduled time was more than or equal to 60 seconds,
Specifically can arrange according to the actual requirements) in be continuously detected battery body 202 less than predetermined voltage threshold (such as 3.2v, specifically
Can arrange according to the actual requirements) and battery body 202 electric current more than predetermined current threshold (such as 1 milliampere, specifically can be according to reality
Demand is arranged) time, determine that the abnormal conditions such as deadlock occurs in mobile terminal, now control the first regulation and control device and be in cut-off shape
State, battery body 202 mobile terminal provides running voltage, i.e. mobile terminal power down, and is in cut-off shape at the first regulation and control device
When the duration of state arrives the first duration (such as 5 seconds, specifically can arrange according to the actual requirements), control the first regulation and control device and recover extremely
Conducting state, battery body 202 mobile terminal provides running voltage, i.e. mobile terminal to re-power, thus realizes mobile terminal
Restart.
In any of the above-described technical scheme, it is preferable that described first control module 102 also includes for detecting whether have
At described signal detection end, the signal detection end (PWR end as shown in Figure 1) of low level signal input, has detected that low level is believed
Number input, and described low level signal input duration more than or equal to the second duration time, described first control module 102
Control described first regulation and control device and be in cut-off state, when the duration that described low level signal inputs is less than described second
Grow or when described signal detection end has detected that high level signal inputs, described first control module 102 controls described first
Regulation and control device is in the conduction state.
In this technical scheme, the first control module 102 also includes signal detection end, when signal detection end has detected low
Level signal input, and low level signal input duration more than or equal to the second duration (such as 10 seconds, specifically can be according to reality
Border demand is arranged) time, now first control module control the first regulation and control device is in cut-off state, and battery body stops as moving
Dynamic terminal provides running voltage, i.e. mobile terminal power down, low level signal input duration less than the second duration or
Signal detection end has detected when high level signal inputs, then it is in the conduction state to control the first regulation and control device, and battery body continues
Continue and provide running voltage, i.e. mobile terminal to re-power for mobile terminal, thus realize restarting of mobile terminal.
In any of the above-described technical scheme, it is preferable that also include: the first critesistor 104, described first critesistor
First end of 104 is connected to the temperature detection end (TH end as shown in Figure 1) of described first control module 102, described first heat
Second end of quick resistance 104 is connected to the second regulation and control device, and described first critesistor 104 is used for gathering described battery body
The temperature information of 202；Described second regulation and control device, described second regulation and control device be connected to described first control module 102 and
Described first regulation and control device, described first control module 102 controls described first according to the temperature information of described battery body 202
Regulation and control device and described second regulation and control device are on or cut-off state.
In this technical scheme, it is contemplated that correlation technique is based primarily upon software and is charged battery body protecting, one
There is exception in denier software, and battery body is likely to carry out large current charge in high temperature or low temperature, and battery body understands steep temperature rise,
And then explode, even threaten user's personal safety, so detecting battery body by arranging the first critesistor 104
Temperature information, and the second regulation and control device is set, by the first control module 102 according to the temperature information of battery body, control first
Regulation and control device and the second regulation and control device are on or cut-off state, thus realize the charger to battery body on hardware
Protect, effectively evaded and used software that battery body is charged the safety problem that protection is caused.
In any of the above-described technical scheme, it is preferable that described first control module 102 detects described battery body
When the temperature of 202 is more than the first predetermined temperature threshold, controls described first regulation and control device and described second regulation and control device is in and cuts
When only state, and described first control module 102 detects the temperature of described battery body less than the second predetermined temperature threshold,
Control described first regulation and control device and described second regulation and control device is in the conduction state, wherein, described first predetermined temperature threshold
More than described second predetermined temperature threshold.
In this technical scheme, the first control module 102 detects that the temperature of described battery body 202 makes a reservation for more than first
Temperature threshold (such as 70 DEG C, specifically can arrange according to the actual requirements), controls the first regulation and control device and described second regulation and control device
It is in cut-off state, thus cuts off the charging path of battery body, battery body to be charged protection, it is ensured that charged
The safety of journey, prevents battery body from accident occurring because temperature is too high, when the first control module 102 detects battery body
Temperature be less than the second predetermined temperature threshold (such as 65 DEG C, specifically can arrange according to the actual requirements), control first regulation and control device and
Second regulation and control device is in the conduction state, to recover the charging path of battery body, continues as battery body and charges, thus not shadow
Ring normal charging process.
In any of the above-described technical scheme, it is preferable that described first regulation and control device includes: the first metal-oxide-semiconductor field effect transistor
106A, the grid of described first metal-oxide-semiconductor field effect transistor 106A is connected to the control of discharge end of described first control module 102 (such as Fig. 1
In DOUT end in the first control module 102), the source electrode of described first metal-oxide-semiconductor field effect transistor 106A is connected to described current acquisition
Second end of circuit；First diode 108A, the anode of described first diode 108A is connected to described first metal-oxide-semiconductor field effect transistor
The source electrode of 106A, the negative electrode of described first diode 108A is connected to the drain electrode of described first metal-oxide-semiconductor field effect transistor 106A；Described
Two regulation and control devices include: the second metal-oxide-semiconductor field effect transistor 106B, and the grid of described second metal-oxide-semiconductor field effect transistor 106B is connected to described the
The charging of one control module 102 controls end (the COUT end as in the first control module 102 in Fig. 1), described 2nd MOS field effect
The drain electrode of pipe 106B is connected to the drain electrode of described first metal-oxide-semiconductor field effect transistor 106A, the source electrode of described second metal-oxide-semiconductor field effect transistor 106B
It is connected to the second end of described first critesistor 104；The anode of the second diode 108B, described second diode 108B connects
To the source electrode of described second metal-oxide-semiconductor field effect transistor 106B, the negative electrode of described second diode 108B is connected to described 2nd MOS field effect
Should the drain electrode of pipe 106B.
In any of the above-described technical scheme, it is preferable that described voltage collection circuit includes: the first resistance 110, described
First end of one resistance 110 is connected to institute as the first end of described voltage collection circuit, the second end of described first resistance 110
State the feeder ear (vdd terminal as in the first control module 102 in Fig. 1) of the first control module 102；First electric capacity 112, described
First end of one electric capacity 112 is connected to the second end of described first resistance 110, and the second end of described first electric capacity 112 is as institute
Stating the second end of voltage collection circuit, the second end of described first electric capacity 112 is connected to the ground connection of described first control module 102
End (the VSS end as in the first control module 102 in Fig. 1).
In any of the above-described technical scheme, it is preferable that described current collection circuit includes: the second resistance 114, described
First end of two resistance 114 is as the first end of described current collection circuit, and the second end of described second resistance 114 is as described
Second end of current collection circuit；Second electric capacity 116, the first end of described second electric capacity 116 is connected to described second resistance 114
The first end and the first discharge current test side (SENSE1 end as shown in Figure 1) of described first control module 102, described
Second end of the second electric capacity 116 is connected to second end and the second of described first control module 102 of described second resistance 114
Discharge current test side (SENSE2 end as shown in Figure 1).
In any of the above-described technical scheme, it is preferable that also include: the 3rd resistance 118, the of described 3rd resistance 118
One end is connected to the positive pole of described battery body 202；3rd electric capacity 120, the first end of described 3rd electric capacity 120 is connected to described
Second end of the 3rd resistance 118 and the feeder ear of the second control module 122 are (such as the VDD in the second control module 122 in Fig. 1
End), the second end of described 3rd electric capacity 120 is connected to the negative pole of described battery body 120；Described second control module 122, institute
State the earth terminal (the VSS end in the second control module 122 in Fig. 1) of the second control module 122 be connected to as described in current acquisition
First end of circuit, the sheet of described second control module 122 selects end (the CS end as in the second control module 122 in Fig. 1) to connect
To the second end of described current collection circuit, the control of discharge end of described second control module 122 is (as in Fig. 1, second controls mould
DOUT end in block 122) it is connected to the grid of the 3rd metal-oxide-semiconductor field effect transistor 106C, the charging of described second control module 122 controls
End (the COUT end in the second control module 122 in Fig. 1) be connected to as described in the grid of the 4th metal-oxide-semiconductor field effect transistor 106D, described
The over-current detection end (the V-end as in the second control module 122 in Fig. 1) of the second control module 122 is connected to the 4th resistance 124
The first end, the second end of described 4th resistance 124 be connected to described first regulation and control device；Described 3rd metal-oxide-semiconductor field effect transistor
The source electrode of 106C, described 3rd metal-oxide-semiconductor field effect transistor 106C is connected to the second end of described current collection circuit；3rd diode
The anode of 108C, described 3rd diode 108C is connected to the source electrode of described 3rd metal-oxide-semiconductor field effect transistor 106C, described three or two pole
The negative electrode of pipe 108C is connected to the drain electrode of described 3rd metal-oxide-semiconductor field effect transistor 106C；Described 4th metal-oxide-semiconductor field effect transistor 106D, described
The drain electrode of the 4th metal-oxide-semiconductor field effect transistor 106D is connected to the drain electrode of described 3rd metal-oxide-semiconductor field effect transistor 106C, described 4th MOS field effect
The source electrode of pipe 106D should be connected to described first regulation and control device；4th diode 108D, the anode of described 4th diode 108D
Being connected to the source electrode of described 4th metal-oxide-semiconductor field effect transistor 106D, the negative electrode of described 4th diode 108D is connected to described 4th MOS
The drain electrode of field effect transistor 106D.
In any of the above-described technical scheme, it is preferable that also include: the second critesistor 126, described second critesistor
First end of 126 is connected to the second end of described first critesistor 104, and described second critesistor 126 is used for gathering described
The temperature information of battery body 202, and the temperature of described battery body is exported by the second end of described second critesistor 126
Information；5th resistance 128, described 5th resistance 128 is connected to the first end of described second critesistor 126, described 5th electricity
Resistance 128 is for gathering the identification information of described battery body 202 and described by the second end output of described 5th resistance 128
The identification information of battery body 202.
In the above-described embodiments, in the first control module 102, the informational function explanation of each end is as shown in table 1:
Table 1
In the above-described embodiments, the second control module 122 and its peripheral circuit are similar with traditional protection circuit, it is possible to
Battery body is overcharged, excessively puts, crosses stream, short-circuit protection by realization.
First control module 102 and its peripheral circuit are capable of extremely cannot restarting occurs in system when, disconnected
Open battery and mobile terminal load to realize restarting.First control module 102 and its peripheral circuit have two kinds of control modes:
Hand operated control method 1: for avoiding false triggering, the first control module 102 supports delay and running mechanism, i.e. requirement
PWRON signal persistently inputs the low level more than the second duration (such as 10s), and DOUT just meeting output low level is to control a MOS
Field effect transistor is ended.
SENSE1 Yu the SENSE2 end of autocontrol method 2: the first control module 102 is used for detecting discharge current, its VDD
With VSS end for detecting the voltage of battery body, when the voltage of battery body is less than predetermined voltage threshold (such as 3.2v) and electric discharge
Electric current is more than predetermined current threshold (such as 1mA), and exceedes the scheduled time (such as 60s) this signal duration, and mobile terminal is described
It is in abnormality (as crashed), then DOUT end output low level, controls the first metal-oxide-semiconductor field effect transistor cut-off, when controlling a MOS
After field effect transistor is in lasting first duration (such as 5s) of cut-off state, DOUT end will export high level, controls a MOS field effect
Should manage in the conduction state.
Additionally, by the first critesistor 104, the first control module 102 detects that the temperature of battery body is pre-higher than first
If during temperature threshold (such as 70 DEG C), DOUT Yu the COUT end output low level of the first control module 102, control a MOS field effect
Should manage and be in cut-off state with the second metal-oxide-semiconductor field effect transistor；When the temperature of battery body is less than preset temperature threshold value (such as 65 DEG C),
Control the first metal-oxide-semiconductor field effect transistor and the second metal-oxide-semiconductor field effect transistor is in cut-off state so that charge more safe and reliable, it is to avoid electricity
Pond is too high because of temperature, occurs unexpected.
In the above-described embodiments, the first control module 102 is according to the information of voltage of described battery body 202 and described electricity
The discharge current information of pond body 202, controls the first metal-oxide-semiconductor field effect transistor and is on or cut-off state, as shown in Figure 4, specifically
Control process include:
Step 402, the voltage of detection battery body, whether less than predetermined voltage threshold, if so, performs step 404；Otherwise,
Perform step 410.
Step 404, the discharge current of detection battery body, whether more than predetermined current threshold, if so, performs step 406；
Otherwise, step 410 is performed.
Step 406, it is judged that voltage is more than the duration of predetermined current threshold less than predetermined voltage threshold and discharge current
The most all exceed scheduled duration, if so, perform step 408；Otherwise perform step 410.
Step 408, controls the first metal-oxide-semiconductor field effect transistor and is in lasting first duration of cut-off state.Specifically, first controls mould
The DOUT end output low level of block 102 controls the first metal-oxide-semiconductor field effect transistor cut-off.
Step 410, control the first metal-oxide-semiconductor field effect transistor, the second metal-oxide-semiconductor field effect transistor, control the 3rd metal-oxide-semiconductor field effect transistor, the 4th
Metal-oxide-semiconductor field effect transistor turns on.Specifically, the DOUT end output high level of the first control module 102 controls the first metal-oxide-semiconductor field effect transistor and leads
Logical.
In the above-described embodiments, the first control module 102 controls a MOS always according to the temperature information of battery body 202
Field effect transistor and the second metal-oxide-semiconductor field effect transistor are on or cut-off state.As it is shown in figure 5, concrete control process includes:
Step 502, the temperature of detection battery body, whether more than the first preset temperature threshold value, if so, performs step 504；
Otherwise, step 510 is performed.
Step 504, controls the first metal-oxide-semiconductor field effect transistor and the second metal-oxide-semiconductor field effect transistor is in cut-off state, to cut off battery
The discharge and recharge path of body.Specifically, the DOUT end output low level of the first control module 102 controls the first metal-oxide-semiconductor field effect transistor
Cut-off, the COUT end output low level of the first control module 102 controls the second metal-oxide-semiconductor field effect transistor cut-off.
Step 506, the temperature of detection battery body, whether less than the second preset temperature threshold value, if so, performs step 508；
Otherwise, execution step 504 is returned.
Step 508, controls the first metal-oxide-semiconductor field effect transistor and the second metal-oxide-semiconductor field effect transistor is in the conduction state.Specifically, first
The DOUT end output high level of control module 102 controls the first metal-oxide-semiconductor field effect transistor conducting, the COUT end of the first control module 102
Output high level controls the second metal-oxide-semiconductor field effect transistor conducting.
Step 510, control the first metal-oxide-semiconductor field effect transistor, the second metal-oxide-semiconductor field effect transistor, control the 3rd metal-oxide-semiconductor field effect transistor, the 4th
Metal-oxide-semiconductor field effect transistor turns on.
In the above-described embodiments, the first control module 102 also includes for detecting whether the letter that has low level signal to input
At signal detection end, number test side (PWR end as shown in Figure 1), has detected that low level signal inputs, and low level signal is defeated
When the duration entered is more than or equal to the second duration, the first control module 102 controls the first metal-oxide-semiconductor field effect transistor and is in cut-off shape
State, at signal detection end, the duration in low level signal input less than the second duration or has detected that high level signal inputs
Time, it is in the conduction state that the first control module 102 controls the first metal-oxide-semiconductor field effect transistor, as shown in Figure 6, and concrete control process bag
Include:
Step 602, whether detection PWRON signal is low level, if so, performs step 604；Otherwise, step 610 is performed.
Step 604, detection PWRON signal be low level duration whether more than the second duration, if so, perform step
606；Otherwise, step 610 is performed.
Step 606, controls the first metal-oxide-semiconductor field effect transistor and is in cut-off state.Specifically, the DOUT of the first control module 102
End output low level controls the first metal-oxide-semiconductor field effect transistor cut-off.
Step 608, whether detection detection PWRON signal is high level, if so, performs step 610；Otherwise, execution is returned
Step 606.
Step 610, control the first metal-oxide-semiconductor field effect transistor, the second metal-oxide-semiconductor field effect transistor, control the 3rd metal-oxide-semiconductor field effect transistor, the 4th
Metal-oxide-semiconductor field effect transistor turns on.Specifically, the DOUT end output high level of the first control module 102 controls the first metal-oxide-semiconductor field effect transistor and leads
Logical.
In the above-described embodiments, for the mobile terminal of internal battery, when system occurs extremely and cannot restart, it is not required to
The battery of mobile terminal to be dismantled, can load battery and mobile terminal and disconnect, thus allow hardware re-power so that be mobile
Terminal can normally work, and improves the experience of user.
Fig. 2 shows the schematic block diagram of battery according to an embodiment of the invention.
As in figure 2 it is shown, battery 200 according to an embodiment of the invention, including: battery body 202；And as shown in Figure 1
Battery protecting circuit 100；Wherein, described battery protecting circuit 100 include the second critesistor the 126, the 5th resistance 128 with
And in the case of the first control module 102 in described battery protecting circuit 100 includes signal detection end, by described signal detection
Hold the control end as described battery, for detecting whether there is low level signal to input, the positive pole of described battery body 202 is made
For the positive pole of described battery 200, using the first end of described 5th resistance 128 as the negative pole of described battery 200, described 5th electricity
Second end of resistance 128 is as the mark end of described battery 200, for exporting the identification information of described battery body, by described the
Second end of two critesistor 126 is as the signal output part of described battery 200, for exporting the temperature letter of described battery body
Breath.
Fig. 3 shows the schematic block diagram of mobile terminal according to an embodiment of the invention.
As it is shown on figure 3, mobile terminal 300 according to an embodiment of the invention, including: battery 200 as shown in Figure 2.
Technical scheme being described in detail above in association with accompanying drawing, technical scheme proposes a kind of new
Battery protecting circuit, it is possible in the case of not dismantling battery, disconnects and recovers the connection of battery and mobile terminal, to realize moving
Restarting of dynamic terminal, and the charge protection to battery body can be realized from hardware, effectively evade employing software to electricity
Pond body is charged the safety problem that protection is caused.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (12)
1. a battery protecting circuit, it is characterised in that including:
Voltage collection circuit, the first end of described voltage collection circuit is connected to the positive pole of battery body, described voltage acquisition electricity
Second end on road is connected to the negative pole of described battery body, and described voltage collection circuit is for gathering the voltage of described battery body
Information；
Current collection circuit, the first end of described current collection circuit is connected to the negative pole of described battery body, and described electric current is adopted
Second end of collector is connected to the first regulation and control device, and described current collection circuit is for gathering the electric discharge electricity of described battery body
Stream information；
First control module, described first control module is respectively connecting to described voltage collection circuit, described current collection circuit
And described first regulation and control device, described first control module is for according to the information of voltage of described battery body and described electricity
The discharge current information of pond body, controls described first regulation and control device and is on or cut-off state；
Wherein, when described first regulation and control device is in cut-off state, described battery body stops as mobile terminal offer work electricity
Pressure, when described first regulation and control device is in the conduction state, described battery body continues as described mobile terminal and provides running voltage.
Battery protecting circuit the most according to claim 1, it is characterised in that described first control module is in the given time
The voltage being continuously detected described battery body is more than predetermined less than the discharge current of predetermined voltage threshold and described battery body
During current threshold, control described first regulation and control device and be in cut-off state, and be in cut-off shape at described first regulation and control device
When the duration of state arrives the first duration, control described first regulation and control device and recover to conducting state.
Battery protecting circuit the most according to claim 1, it is characterised in that described first control module also includes for examining
Survey the signal detection end whether having low level signal to input, detected that low level signal inputs at described signal detection end, and
When the duration of described low level signal input is more than or equal to the second duration, described first control module controls described first
Regulation and control device is in cut-off state, and the duration inputted at described low level signal is less than described second duration or at described letter
Number test side has detected when high level signal inputs, and described first control module controls described first regulation and control device and is on
State.
Battery protecting circuit the most according to claim 1, it is characterised in that also include:
First critesistor, the first end of described first critesistor is connected to the temperature detection end of described first control module,
Second end of described first critesistor is connected to the second regulation and control device, and described first critesistor is used for gathering described battery originally
The temperature information of body；
Described second regulation and control device, described second regulation and control device is connected to described first control module and described first modulator
Part, described first control module controls described first regulation and control device and described second according to the temperature information of described battery body and adjusts
Control device is on or cut-off state.
Battery protecting circuit the most according to claim 4, it is characterised in that described first control module detects described electricity
When the temperature of pond body is more than the first predetermined temperature threshold, controls described first regulation and control device and described second regulation and control device is in
Cut-off state, and when described first control module detects the temperature of described battery body less than the second predetermined temperature threshold,
Control described first regulation and control device and described second regulation and control device is in the conduction state, wherein, described first predetermined temperature threshold
More than described second predetermined temperature threshold.
Battery protecting circuit the most according to claim 4, it is characterised in that
Described first regulation and control device includes:
First metal-oxide-semiconductor field effect transistor, the grid of described first metal-oxide-semiconductor field effect transistor is connected to the control of discharge of described first control module
End, the source electrode of described first metal-oxide-semiconductor field effect transistor is connected to the second end of described current collection circuit；
First diode, the anode of described first diode is connected to the source electrode of described first metal-oxide-semiconductor field effect transistor, and the described 1st
The negative electrode of pole pipe is connected to the drain electrode of described first metal-oxide-semiconductor field effect transistor；
Described second regulation and control device includes:
Second metal-oxide-semiconductor field effect transistor, the grid of described second metal-oxide-semiconductor field effect transistor is connected to the charging of described first control module and controls
End, the drain electrode of described second metal-oxide-semiconductor field effect transistor is connected to the drain electrode of described first metal-oxide-semiconductor field effect transistor, described 2nd MOS field effect
The source electrode of pipe is connected to the second end of described first critesistor；
Second diode, the anode of described second diode is connected to the source electrode of described second metal-oxide-semiconductor field effect transistor, and the described 2nd 2
The negative electrode of pole pipe is connected to the drain electrode of described second metal-oxide-semiconductor field effect transistor.
Battery protecting circuit the most according to claim 1, it is characterised in that described voltage collection circuit includes:
First resistance, the first end of described first resistance as the first end of described voltage collection circuit, described first resistance
Second end is connected to the feeder ear of described first control module；
First electric capacity, the first end of described first electric capacity is connected to the second end of described first resistance, the of described first electric capacity
Two ends are connected to described first control module as the second end of described voltage collection circuit, the second end of described first electric capacity
Earth terminal.
Battery protecting circuit the most according to claim 1, it is characterised in that described current collection circuit includes:
Second resistance, the first end of described second resistance as the first end of described current collection circuit, described second resistance
Second end is as the second end of described current collection circuit；
Second electric capacity, the first end of described second electric capacity is connected to first end and described first of described second resistance and controls mould
First discharge current test side of block, the second end of described second electric capacity is connected to the second end of described second resistance and described
Second discharge current test side of the first control module.
Battery protecting circuit the most according to any one of claim 1 to 8, it is characterised in that also include:
3rd resistance, the first end of described 3rd resistance is connected to the positive pole of described battery body；
3rd electric capacity, the first end of described 3rd electric capacity is connected to the second end of described 3rd resistance and the second control module
Feeder ear, the second end of described 3rd electric capacity is connected to the negative pole of described battery body；
Described second control module, the earth terminal of described second control module is connected to the first end of described current collection circuit,
The sheet of described second control module selects end to be connected to the second end of described current collection circuit, the electric discharge of described second control module
Controlling end and be connected to the grid of the 3rd metal-oxide-semiconductor field effect transistor, the charging of described second control module controls end and is connected to the described 4th
The grid of metal-oxide-semiconductor field effect transistor, the over-current detection end of described second control module is connected to the first end of the 4th resistance, and the described 4th
Second end of resistance is connected to described first regulation and control device；
Described 3rd metal-oxide-semiconductor field effect transistor, the source electrode of described 3rd metal-oxide-semiconductor field effect transistor is connected to the second of described current collection circuit
End；
3rd diode, the anode of described 3rd diode is connected to the source electrode of described 3rd metal-oxide-semiconductor field effect transistor, and the described 3rd 2
The negative electrode of pole pipe is connected to the drain electrode of described 3rd metal-oxide-semiconductor field effect transistor；
Described 4th metal-oxide-semiconductor field effect transistor, the drain electrode of described 4th metal-oxide-semiconductor field effect transistor is connected to described 3rd metal-oxide-semiconductor field effect transistor
Drain electrode, the source electrode of described 4th metal-oxide-semiconductor field effect transistor is connected to described first regulation and control device；
4th diode, the anode of described 4th diode is connected to the source electrode of described 4th metal-oxide-semiconductor field effect transistor, and the described 4th 2
The negative electrode of pole pipe is connected to the drain electrode of described 4th metal-oxide-semiconductor field effect transistor.
10. according to the battery protecting circuit according to any one of claim 4 to 8, it is characterised in that also include:
Second critesistor, the first end of described second critesistor is connected to the second end of described first critesistor, described
Second critesistor is for gathering the temperature information of described battery body, and is exported by the second end of described second critesistor
The temperature information of described battery body；
5th resistance, described 5th resistance is connected to the first end of described second critesistor, and described 5th resistance is used for gathering
The identification information of described battery body, and the identification information of described battery body is exported by the second end of described 5th resistance.
11. 1 kinds of batteries, it is characterised in that including:
Battery body；And such as battery protecting circuit according to any one of claim 1 to 10；
Wherein, in described battery protecting circuit includes the second critesistor, the 5th resistance and described battery protecting circuit
In the case of first control module includes signal detection end, using described signal detection end as the control end of described battery, it is used for
Detect whether that low level signal inputs, using the positive pole of described battery body as the positive pole of described battery, by described 5th electricity
First end of resistance is as the negative pole of described battery, and the second end of described 5th resistance is as the mark end of described battery, for defeated
Go out the identification information of described battery body, using the second end of described second critesistor as the signal output part of described battery,
For exporting the temperature information of described battery body.
12. 1 kinds of mobile terminals, it is characterised in that including: battery as claimed in claim 11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607984.9A CN106129969B (en) | 2016-07-29 | 2016-07-29 | Battery protecting circuit, battery and mobile terminal |
| PCT/CN2016/097052 WO2018018693A1 (en) | 2016-07-29 | 2016-08-27 | Battery protection circuit, battery and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607984.9A CN106129969B (en) | 2016-07-29 | 2016-07-29 | Battery protecting circuit, battery and mobile terminal |
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| Publication Number | Publication Date |
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| CN106129969A true CN106129969A (en) | 2016-11-16 |
| CN106129969B CN106129969B (en) | 2019-05-14 |
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| CN201610607984.9A Active CN106129969B (en) | 2016-07-29 | 2016-07-29 | Battery protecting circuit, battery and mobile terminal |
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| CN (1) | CN106129969B (en) |
| WO (1) | WO2018018693A1 (en) |
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| CN109683099A (en) * | 2018-12-24 | 2019-04-26 | 咕咚网络（北京）有限公司 | A kind of battery voltage acquisition circuit of Wireless Networking door lock |
| CN110098652A (en) * | 2019-01-18 | 2019-08-06 | 青岛海信移动通信技术股份有限公司 | A kind of mobile phone, mobile phone body device and mobile phone are continued a journey device |
| CN113169385A (en) * | 2019-08-16 | 2021-07-23 | 华为技术有限公司 | Battery pack, circuit system for measuring battery current and equipment for measuring battery current |
| CN113169385B (en) * | 2019-08-16 | 2023-03-24 | 华为技术有限公司 | Battery pack, circuit system for measuring battery current and equipment for measuring battery current |
| CN113141031B (en) * | 2020-01-18 | 2024-03-12 | 杭州九阳小家电有限公司 | Portable food processor |
| CN113141031A (en) * | 2020-01-18 | 2021-07-20 | 杭州九阳小家电有限公司 | Portable food processor |
| CN112751384A (en) * | 2020-12-30 | 2021-05-04 | 珠海冠宇电源有限公司 | Control method of electronic equipment and electronic equipment |
| CN112751384B (en) * | 2020-12-30 | 2024-03-26 | 珠海冠宇电源有限公司 | Electronic equipment control method and electronic equipment |
| CN116365635A (en) * | 2023-02-24 | 2023-06-30 | 广州小鹏汽车科技有限公司 | Short-circuit protection circuit, method and device for power battery pack |
| CN116365635B (en) * | 2023-02-24 | 2024-05-17 | 肇庆小鹏汽车有限公司 | Short-circuit protection circuit, method and device for power battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106129969B (en) | 2019-05-14 |
| WO2018018693A1 (en) | 2018-02-01 |
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