CN106684965A - Battery protection circuit - Google Patents
Battery protection circuit Download PDFInfo
- Publication number
- CN106684965A CN106684965A CN201611024799.3A CN201611024799A CN106684965A CN 106684965 A CN106684965 A CN 106684965A CN 201611024799 A CN201611024799 A CN 201611024799A CN 106684965 A CN106684965 A CN 106684965A
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- Prior art keywords
- voltage
- timer
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- timing
- timer capacitor
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- 230000004224 protection Effects 0.000 title claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims abstract description 89
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 230000005856 abnormality Effects 0.000 claims description 34
- 230000005611 electricity Effects 0.000 claims description 12
- 230000002950 deficient Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H02J7/0026—
-
- 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
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Protection Of Static Devices (AREA)
Abstract
The invention provides a battery protection circuit. The battery protection circuit comprises an abnormal detection module, a timing capacitor, a capacitor charging module, a timer and an open-circuit module, wherein the abnormal detection module is used for detecting whether an abnormal working condition occurs in a battery or not, outputting an abnormal marking signal in response to the abnormal working condition and stopping outputting the abnormal marking signal in response to removal of the abnormal working condition, the capacitor charging module is used for charging the timing capacitor in response to the abnormal marking signal, the timer is used for timing in response to the abnormal marking signal, and the open-circuit module is used for cutting off a battery working path when a voltage of the timing capacitor is larger than or equal to a predetermined voltage threshold value or the timing time of the timer is larger than a predetermined timing threshold value.
Description
Technical field
The present invention relates to a kind of battery protecting circuit, more particularly to one kind can be for battery is over-pressed, under-voltage and excessively stream feelings
Condition carries out the circuit of battery protection.
Background technology
With the progress of lithium battery technique, the decline of price so that lithium battery is in electric tool, electrodynamic balance car, electronic
The outdoor application such as bicycle field is increasingly widely applied.Constantly widening however as application, lithium battery is needed
The environment to be tackled is also more and more severe.
The modal problem brought by adverse circumstances, is exactly the electric leakage of pcb board peripheral component under hot and humid environment
And Problem of Failure.Common protections of the li-ion cell protection IC to lithium battery has over-pressed, under-voltage, overcurrent protection etc., protects in traditional lithium electricity
In shield scheme, usual client can select suitable IC external capacitives to adjust according to the application demand of oneself, and event occurs from circuit
Hinder the delay time of cut-out circuit.But under exceedingly odious environment, external capacitive then can if there is electric leakage or failure
Cause shielding failure, and then cause safety issue.
The content of the invention
It is an object of the invention to provide a kind of battery protecting circuit, be prevented under adverse circumstances peripheral component or
Li-ion cell protection Problem of Failure caused by PCB electric leakages.
According to above-mentioned purpose, the present invention provides a kind of battery protecting circuit, including：Abnormality detection module, it is described for detecting
Whether battery there is unusual service condition, and in response to unusual service condition output abnormality marking signal, the releasing in response to unusual service condition stops
The only output of the abnormality mark signal；Timer capacitor and capacitance charging module, the capacitance charging module is in response to described different
Often marking signal is charged to the timer capacitor；Timer, in response to the abnormality mark signal timing is carried out；And it is disconnected
Road module, when the voltage of the timer capacitor is more than in advance more than or equal to the timing time of predetermined voltage threshold or the timer
During devise a stratagem during threshold value, battery operated path is cut off.
In one embodiment, the timer response makes timing time zero setting in marking signal without exception.
In one embodiment, the capacitance charging module in marking signal without exception not to the timer capacitor charge,
The timer capacitor is in the case where capacitance voltage is not zero in discharge condition until capacitance voltage resets.
In one embodiment, the capacitance charging module includes：The current source connected with the timer capacitor and switch, institute
State switch to close in response to the abnormality mark signal, to be charged the detection electric capacity, and in mark letter without exception
Number when disconnect with stop charge.
In one embodiment, the capacitance charging module includes：Voltage source, switch and the electricity connected with the timer capacitor
Resistance, the switch is closed in response to the abnormality mark signal, to be charged to the detection electric capacity, and in mark without exception
Disconnect stopping charging during will signal.
In one embodiment, the predetermined timing threshold value charges to the predetermined voltage threshold more than the timer capacitor
Time.
In one embodiment, the abnormality detection module includes over-pressed detection module, for detecting cell voltage, when described
When cell voltage is higher than over-pressed voltage threshold, then output overvoltage marking signal is used as the abnormality mark signal；The timing electricity
Appearance includes over-pressed timer capacitor, and the capacitance charging module includes over-pressed timer capacitor charging module, in response to the overvoltage mark
Will signal, is charged to the over-pressed timer capacitor；The timer includes over-pressed timer, in response to the overvoltage mark
Signal carries out timing；And the turn-off module is specifically more than or equal to over-pressed voltage in response to the voltage of the over-pressed timer capacitor
When the timing time of threshold value or the over-pressed timer is more than predetermined excess pressure timing threshold value, then battery operated path is cut off.
In one embodiment the abnormality detection module also includes：Under-voltage detection module, for detecting cell voltage, works as institute
When stating cell voltage less than brownout voltage threshold value, then under-voltage marking signal is exported as the abnormality mark signal；The timing
Electric capacity includes：Under-voltage timer capacitor；The capacitance charging module includes：Under-voltage timer capacitor charging module, owes in response to described
Pressure marking signal, is charged to the under-voltage timer capacitor；The timer includes under-voltage timer, in response to described under-voltage
Marking signal carries out timing；And the turn-off module specifically in response to the under-voltage timer capacitor voltage less than or equal to under-voltage
When the timing time of voltage threshold or the under-voltage timer is more than under-voltage timing threshold value is made a reservation for, then cut off battery operated logical
Road.
In one embodiment, the abnormality detection module also includes：Over-current detection module, for detecting battery current, when
When the battery current is higher than overcurrent threshold value, then output overcurrent marking signal is used as the abnormality mark signal；The meter
When electric capacity include：Excessively stream timer capacitor；The capacitance charging module includes：Excessively stream timer capacitor charging module, in response to described
Excessively stream marking signal, is charged to the excessively stream timer capacitor；The timer includes excessively stream timer, in response to the mistake
Stream marking signal carries out timing；And the turn-off module was specifically more than or equal in response to the voltage of the excessively stream timer capacitor
When the timing time of stream voltage threshold or the excessively stream timer is more than predetermined excessively stream timing threshold value, then cut off battery operated logical
Road.
The present invention also provides a kind of battery protection ic, including the abnormality detection module of the battery protecting circuit, electric capacity fill
Electric module, timer and turn-off module, the battery protection ic also includes capacitance connection pin, for external aforementioned battery
The timer capacitor of protection circuit.
As described above, there are electric leakage, even breakdown feelings in outside delay capacitor in the setting that the present invention passes through timer
Under condition, still battery path can be turned off according to the time delay of timer, the safe operation for battery provides double shield.
Description of the drawings
Fig. 1 shows traditional lithium battery protection circuit schematic diagram；
Fig. 2 a show timer capacitor without the protection circuit working condition under drain conditions；
Fig. 2 b show that timer capacitor has the protection circuit working condition under drain conditions；
Fig. 3 shows the schematic diagram of the embodiment of battery protecting circuit of the present invention；
Fig. 4 shows the schematic diagram of another embodiment of battery protecting circuit of the present invention；
Fig. 5 shows the schematic diagram of protection circuit IC of the present invention.
Specific embodiment
Traditional lithium electric protection circuit theory is：When battery path breaks down, the electric capacity of periphery is charged, works as electricity
When the voltage of appearance reaches voltage threshold, battery path is cut off.And generally, battery path failure includes：Cell voltage mistake
(overvoltage), cell voltage too small (under-voltage), battery current excessive (excessively stream) greatly.In prior art, over-pressed, the under-voltage, excessively stream of correspondence
Three electric capacity being respectively provided with, when there is any one failure, corresponding electric capacity being charged, when voltage threshold is charged to,
Cut off battery operated path.It is well known that electric capacity has respective time constant, electric capacity is charged into certain voltage, is needed
Regular hour.Capacitance size, the size of voltage threshold can be set according to different application scenarios, and then to limit when electricity
Break down to electric capacity the time being charged to up to voltage threshold in pond.Why do not break down in battery one and be switched off path, be
In order to avoid the non-battery failure condition such as impulse disturbances.
Traditional lithium battery protection circuit, refer to Fig. 1, and traditional lithium battery protection circuit 10 includes lithium electric protection IC11, mistake
Pressure timer capacitor 12, under-voltage timer capacitor 13 and excessively stream timer capacitor 14.VC1-VCn is used to measure each battery in lithium battery
The voltage of component.Over-pressed detection module 111, under-voltage detection module 112 and over-current detection module are integrated with lithium electric protection IC11
113.VC1-VCn is connected into respectively over-pressed detection module 111 and under-voltage detection module 112.When VC1-VCn any voltages exceed battery
During overvoltage threshold, the output overvoltage marking signal VOV of over-pressed detection module 111, in response to this over-pressed marking signal VOV, by drawing
Pin CHD is charged to over-pressed timer capacitor 12, and after charging interval T1, the voltage of over-pressed timer capacitor 12 is more than or equal to pre-
When determining voltage threshold, output overvoltage signal OV, and disconnect battery path.
In the same manner, the voltage of monitor in real time each battery component of under-voltage detection module 112, when there is voltage battery undervoltage is less than
During threshold value, under-voltage detection module 112 exports under-voltage marking signal VUV, in response to this under-voltage marking signal VUV, by pin DSD
Under-voltage timer capacitor 13 is charged, after charging interval T2, the voltage of under-voltage timer capacitor 13 is more than or equal to predetermined electricity
During pressure threshold value, under-voltage signal UV is exported, and disconnect battery path.
In the same manner, the monitor in real time battery current of over-current detection module 113, when electric current is higher than battery excessively stream threshold value, excessively stream inspection
The output overcurrent marking signal VOC of module 113 is surveyed, in response to this excessively stream marking signal VOC, by pin CDC to excessively stream timing electricity
Hold 14 to be charged, after charging interval T3, when the voltage of excessively stream timer capacitor 14 is more than or equal to predetermined voltage threshold, output
Over-current signal OC, and disconnect battery path.
But when timer capacitor breaks down, such as when drain conditions occurs in timer capacitor, electric capacity cannot be filled all the time
Electricity also just cannot disconnect battery path to predetermined voltage threshold when for a long time for battery fault condition, and then cause battery peace
Full problem.
By taking excessively stream as an example, Fig. 2 is refer to, Fig. 2 shows timer capacitor without leaking electricity and have in the case of two kinds of electric leakage, tradition side
The course of work of the battery protecting circuit of case.
Fig. 2 a show timer capacitor without the protection circuit working condition under drain conditions, wherein VI be battery current,
Vref is excessively stream timer capacitor predetermined voltage threshold, gnd is earthing potential, OC is over-current signal.From the figure, it can be seen that when electricity
When pond electric current exceedes normal current, CDC is charged to excessively stream timer capacitor, and excessively stream timer capacitor is charged to predetermined voltage threshold
During value vref, output overcurrent signal OC further can just disconnect battery operated path according to OC.
Fig. 2 b show that timer capacitor has the protection circuit working condition under drain conditions, it can be seen that due to crossing flowmeter
When electric capacity there are drain conditions, when battery occur excessively stream when, excessively stream timer capacitor cannot be charged to predetermined voltage threshold all the time
Vref, also just cannot corresponding OC, and then disconnect battery path and protected.
On the basis of traditional scheme, the core of the present invention is on the basis of electric capacity charge protection, to increased timing
Device, when cell malfunctions, while timing is carried out to timer, and when timing reaches timing threshold value, disconnecting circuit.Please join
Fig. 3 is seen, is the schematic diagram of the embodiment of battery protecting circuit of the present invention.
Battery protecting circuit 300 includes abnormality detection module 301, for detecting whether battery occurs unusual service condition, works as electricity
There is output abnormality marking signal during unusual service condition in pond, when unusual service condition is released, stop the output of abnormality mark signal.It is abnormal
Operating mode generally comprises cell voltage excessive (overvoltage), cell voltage too small (under-voltage), excessive (excessively stream) situation of battery current.Battery
Protection circuit 300 also includes capacitance charging module 302, timer capacitor 303, timer 304 and turn-off module 305, and electric capacity charges
Module 302 receives abnormality mark signal, and timer capacitor is charged in response to abnormality mark signal, at the same time, timing
Device 304 also responds to abnormality mark signal and carries out timing, when the voltage of timer capacitor is more than or equal to predetermined voltage threshold or meter
When device timing time be more than predetermined timing threshold value when, battery operated path is cut off by turn-off module 305.Generally, pre- devise a stratagem
When threshold value be greater than predetermined voltage threshold so that when peripheral timer capacitor fails, just battery protection is carried out by timer.
In another preferred embodiment, for over-pressed, under-voltage, over current fault, while arrange electric capacity charging and timer
When duplicate protection scheme.
Fig. 4 is referred to, battery protecting circuit 400 includes：The inspection of over-pressed detection module 401, under-voltage detection module 411 and excessively stream
Survey module 421.Over-pressed detection module 401 is used to detect cell voltage, when cell voltage is higher than over-pressed voltage threshold, then exports
Over-pressed marking signal.Over-pressed timer capacitor charging module 404 and over-pressed timer 405 receive over-pressed marking signal simultaneously, and ring
Should be in over-pressed marking signal, the over-pressed timer capacitor 406 of over-pressed timer capacitor charging module 404 pairs is charged, while overvoltage meter
When device 405 proceed by timing.The voltage of over-pressed timer capacitor 404 is more than or equal to over-pressed voltage threshold or over-pressed timer
When 405 timing time is more than predetermined excess pressure timing threshold value, turn-off module 450 cuts off battery operated path.
In the same manner, under-voltage detection module 411 be used for detect cell voltage, when cell voltage be less than brownout voltage threshold value when, then
Export under-voltage marking signal.Under-voltage timer capacitor charging module 414 and under-voltage timer 415 receive under-voltage marking signal simultaneously,
And in response to under-voltage marking signal, under-voltage timer capacitor charging module 414 is charged to under-voltage timer capacitor 416, while owing
Pressure timer 415 proceeds by timing.The voltage of under-voltage timer capacitor 414 is more than or equal to brownout voltage threshold value or under-voltage timing
When the timing time of device 415 is more than under-voltage timing threshold value is made a reservation for, turn-off module 450 cuts off battery operated path.
In the same manner, over-current detection module 421 be used for detect battery current, when battery current be higher than overcurrent threshold value when, then
Output overcurrent marking signal.Excessively stream timer capacitor charging module 424 and excessively stream timer 425 receive excessively stream marking signal simultaneously,
And in response to excessively stream marking signal, excessively stream timer capacitor charging module 424 is charged to excessively stream timer capacitor 426, while mistake
Stream timer 425 proceeds by timing.The voltage of excessively stream timer capacitor 424 is more than or equal to excessively stream voltage threshold or excessively stream timing
When the timing time of device 425 is more than predetermined excessively stream timing threshold value, turn-off module 450 cuts off battery operated path.
In actual applications, generally overvoltage timer capacitor, under-voltage timer capacitor, excessively stream timer capacitor can be according to the need of client
Asking carries out the change of capacitance size, so as to change over-pressed voltage threshold, brownout voltage threshold value and excessively stream voltage threshold, allows for
Different time delays carry out disconnecting circuit.Certainly, timing threshold value also can be set by user according to no application scenarios.
Generally, in circuit malfunctions, timing threshold value want specific capacitance reach voltage threshold time it is long, if condenser failure, just by
Timer is providing the protection to battery.
In another embodiment, Fig. 5 is refer to, the abnormality detection module 501, electric capacity of aforesaid battery protecting circuit is filled
Electric module 502, timer 503 and turn-off module 504 are integrated into circuit protection IC, and battery protection ic draws including capacitance connection
Pin connecting the timer capacitor 506 of aforesaid battery protecting circuit, also provide inside IC all the time for timer when use.
It is for so that any person skilled in the art all can make or using this public affairs to provide of this disclosure being previously described
Open.Various modifications of this disclosure all will be apparent for a person skilled in the art, and as defined herein general
Suitable principle can be applied to spirit or scope of other variants without departing from the disclosure.Thus, the disclosure is not intended to be limited
Due to example described herein and design, but should be awarded and principle disclosed herein and novel features phase one
The widest scope of cause.
Claims (10)
1. a kind of battery protecting circuit, including：
Abnormality detection module, for detecting whether the battery occurs unusual service condition, and in response to unusual service condition output abnormality mark
Will signal, the releasing in response to unusual service condition stops the output of the abnormality mark signal；
Timer capacitor and capacitance charging module, the capacitance charging module is in response to the abnormality mark signal to timing electricity
Appearance is charged；
Timer, in response to the abnormality mark signal timing is carried out；And
Turn-off module, when the voltage of the timer capacitor is more than or equal to predetermined voltage threshold or the timing time of the timer
During more than predetermined timing threshold value, battery operated path is cut off.
2. circuit as claimed in claim 1, it is characterised in that the timer response is when marking signal without exception makes timing
Between zero setting.
3. circuit as claimed in claim 1, it is characterised in that the capacitance charging module is not right in marking signal without exception
The timer capacitor charges, and the timer capacitor is in the case where capacitance voltage is not zero in discharge condition until capacitance voltage
Reset.
4. circuit as claimed in claim 3, it is characterised in that the capacitance charging module includes：
The current source connected with the timer capacitor and switch, the switch is closed in response to the abnormality mark signal, with
The detection electric capacity is charged, and disconnects stopping charging in marking signal without exception.
5. the circuit described in claim 3, it is characterised in that the capacitance charging module includes：
Voltage source, switch and the resistance connected with the timer capacitor, the switch is closed in response to the abnormality mark signal
Close, to be charged the detection electric capacity, and disconnect stopping charging in marking signal without exception.
6. circuit as claimed in claim 1, it is characterised in that the predetermined timing threshold value is charged to more than the timer capacitor
The time of the predetermined voltage threshold.
7. circuit as claimed in claim 1, it is characterised in that
The abnormality detection module includes over-pressed detection module, for detecting cell voltage, when the cell voltage is higher than overvoltage
During voltage threshold, then output overvoltage marking signal is used as the abnormality mark signal；
The timer capacitor includes over-pressed timer capacitor, and the capacitance charging module includes over-pressed timer capacitor charging module, rings
Over-pressed marking signal, is charged to the over-pressed timer capacitor described in Ying Yu；
The timer includes over-pressed timer, and in response to the over-pressed marking signal timing is carried out；And
The turn-off module is specifically more than or equal to over-pressed voltage threshold or described in response to the voltage of the over-pressed timer capacitor
When the timing time of over-pressed timer is more than predetermined excess pressure timing threshold value, then battery operated path is cut off.
8. circuit as claimed in claim 1, it is characterised in that
The abnormality detection module also includes：Under-voltage detection module, for detecting cell voltage, when the cell voltage is less than deficient
During pressure voltage threshold, then under-voltage marking signal is exported as the abnormality mark signal；
The timer capacitor includes：Under-voltage timer capacitor；
The capacitance charging module includes：Under-voltage timer capacitor charging module, in response to the under-voltage marking signal, owes to described
Pressure timer capacitor is charged；
The timer includes under-voltage timer, and in response to the under-voltage marking signal timing is carried out；And
The turn-off module is specifically less than or equal to brownout voltage threshold value or described in response to the voltage of the under-voltage timer capacitor
When the timing time of under-voltage timer is more than under-voltage timing threshold value is made a reservation for, then battery operated path is cut off.
9. circuit as claimed in claim 1, it is characterised in that
The abnormality detection module also includes：Over-current detection module, for detecting battery current, when the battery current was higher than
During stream current threshold, then output overcurrent marking signal is used as the abnormality mark signal；
The timer capacitor includes：Excessively stream timer capacitor；
The capacitance charging module includes：Excessively stream timer capacitor charging module, in response to the excessively stream marking signal, to the mistake
Stream timer capacitor is charged；
The timer includes excessively stream timer, and in response to the excessively stream marking signal timing is carried out；And
The turn-off module is specifically more than or equal to excessively stream voltage threshold or described in response to the voltage of the excessively stream timer capacitor
When the timing time of excessively stream timer is more than predetermined excessively stream timing threshold value, then battery operated path is cut off.
10. a kind of battery protection ic, it is characterised in that including battery protecting circuit as claimed in any one of claims 1-9 wherein
Abnormality detection module, capacitance charging module, timer and turn-off module, the battery protection ic also draws including capacitance connection
Pin, for the timer capacitor of external battery protecting circuit as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024799.3A CN106684965B (en) | 2016-11-16 | 2016-11-16 | A kind of battery protecting circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024799.3A CN106684965B (en) | 2016-11-16 | 2016-11-16 | A kind of battery protecting circuit |
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| Publication Number | Publication Date |
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| CN106684965A true CN106684965A (en) | 2017-05-17 |
| CN106684965B CN106684965B (en) | 2019-05-14 |
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ID=58866793
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611024799.3A Active CN106684965B (en) | 2016-11-16 | 2016-11-16 | A kind of battery protecting circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638864A (en) * | 2018-03-27 | 2018-10-12 | 高帅 | The anti-flame resistant method of batteries of electric automobile group and Related product |
| CN109066903A (en) * | 2018-09-20 | 2018-12-21 | 深圳市富满电子集团股份有限公司 | A kind of battery broken yarn protection system and method |
| CN110138056A (en) * | 2019-06-27 | 2019-08-16 | 深圳莱福德科技股份有限公司 | Emergency power supply guard method and device |
| CN113098114A (en) * | 2021-05-25 | 2021-07-09 | 高创(苏州)电子有限公司 | Charging protection method and device, mainboard and display |
| CN116780721A (en) * | 2023-08-15 | 2023-09-19 | 成都特隆美储能技术有限公司 | BMS control method for optimizing energy storage battery cluster |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638864A (en) * | 2018-03-27 | 2018-10-12 | 高帅 | The anti-flame resistant method of batteries of electric automobile group and Related product |
| CN109066903A (en) * | 2018-09-20 | 2018-12-21 | 深圳市富满电子集团股份有限公司 | A kind of battery broken yarn protection system and method |
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| CN113098114A (en) * | 2021-05-25 | 2021-07-09 | 高创(苏州)电子有限公司 | Charging protection method and device, mainboard and display |
| CN116780721A (en) * | 2023-08-15 | 2023-09-19 | 成都特隆美储能技术有限公司 | BMS control method for optimizing energy storage battery cluster |
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| CN106684965B (en) | 2019-05-14 |
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