CN103812198B - A kind of battery charges anti-circnit NOT - Google Patents
A kind of battery charges anti-circnit NOT Download PDFInfo
- Publication number
- CN103812198B CN103812198B CN201410077927.5A CN201410077927A CN103812198B CN 103812198 B CN103812198 B CN 103812198B CN 201410077927 A CN201410077927 A CN 201410077927A CN 103812198 B CN103812198 B CN 103812198B
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- field effect
- effect transistor
- resistance
- battery
- circnit
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- 230000005669 field effect Effects 0.000 claims abstract description 83
- 238000000034 method Methods 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of battery to charge anti-circnit NOT, in this circuit, one end of the first resistance is connected with one end of fuse, the other end of the first resistance, one end of second resistance is connected with the source electrode of the first field effect transistor, the other end of the second resistance, the grid of the first field effect transistor is connected with the drain electrode of the 3rd field effect transistor, the drain electrode of the first field effect transistor, the grid of the 3rd field effect transistor, one end of 3rd resistance, the drain electrode of the second field effect transistor is connected with the grid of the 4th field effect transistor, the source electrode of the 3rd field effect transistor, the other end of the 3rd resistance, the source electrode of the second field effect transistor, one end of 4th resistance is connected with the source electrode of the 4th field effect transistor, the grid of the second field effect transistor, the other end of the 4th resistance is connected with one end of the 5th resistance, the other end of the 5th resistance is connected with the negative pole of diode, advantage is that energy loss is less, and counnter attack processing procedure is simple, counnter attack good stability.
Description
Technical field
The present invention relates to the anti-circnit NOT of a kind of charging, especially relate to a kind of battery and to charge anti-circnit NOT.
Background technology
Existing battery charging counnter attack circuit mainly contains two kinds: the first anti-circnit NOT is made up of a diode, this counnter attack circuit is because diode itself can produce more than 0.3V voltage, so very large energy loss can be produced when big current charges to battery, thus it is serious to cause counnter attack diode to generate heat, the charging interval lengthens, the anti-circnit NOT of the second is formed by connecting by two field effect transistor are back-to-back, this anti-circnit NOT is when for cell anti-reverse, if charging input end is reverse or short circuit, this anti-circnit NOT cannot detect input terminal voltage or charging current, battery damages directly entering charging process thus, therefore this anti-circnit NOT needs to coordinate the single chip circuit with control program to use, whether single chip circuit first normally detects the voltage of charging input end or charging current, then generate corresponding control signal and send to anti-circnit NOT, anti-circnit NOT determines whether cutting off battery charging according to control signal, realize the counnter attack protection to battery charging thus, this anti-circnit NOT needs to coordinate single chip circuit and software program to use, counnter attack processing procedure more complicated, and counnter attack less stable.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of in battery charging process energy loss less, anti-circnit NOT can not be caused to generate heat serious, the charging interval can not lengthen, and counnter attack processing procedure is simple, and the battery of counnter attack good stability charges anti-circnit NOT.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of battery charges anti-circnit NOT, it is characterized in that comprising the first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, first field effect transistor, second field effect transistor, 3rd field effect transistor, 4th field effect transistor, diode and fuse, one end of the first described resistance is connected with one end of described fuse and its link is positive pole charging input end, the other end of the first described resistance, one end of the second described resistance is connected with the source electrode of the first described field effect transistor, the other end of the second described resistance, the grid of the first described field effect transistor is connected with the drain electrode of the 3rd described field effect transistor and its link is negative pole charging input end, the drain electrode of the first described field effect transistor, the grid of the 3rd described field effect transistor, one end of the 3rd described resistance, the drain electrode of the second described field effect transistor is connected with the grid of the 4th described field effect transistor, the source electrode of the 3rd described field effect transistor, the other end of the 3rd described resistance, the source electrode of the second described field effect transistor, one end of the 4th described resistance is connected with the source electrode of the 4th described field effect transistor, the grid of the second described field effect transistor, the other end of the 4th described resistance is connected with one end of the 5th described resistance, the other end of the 5th described resistance is connected with the negative pole of described diode, the positive pole access switching signal of described diode, the drain electrode of the 4th described field effect transistor is for connecting the negative pole of battery, and the other end of described fuse is for connecting the positive pole of battery.
The two ends of the second described resistance are parallel with the first electric capacity, and the two ends of the 3rd described resistance are parallel with the second electric capacity.
Compared with prior art, the invention has the advantages that and the drain electrode of the negative pole of battery to be charged with the 4th field effect is connected, the positive pole of battery to be charged is connected with the other end of fuse, battery charges after the positive pole charging input end of anti-circnit NOT is connected with charging input end with negative pole charging input end and accesses input voltage, if the positive pole of charging input end and negative pole do not connect anti-or short circuit, now input voltage is normal, input voltage controls the first field effect transistor conducting after first carrying out voltage division processing by the first resistance and the second resistance, the 3rd field effect transistor and the 4th field effect transistor conducting is controlled after first field effect transistor conducting, now battery two ends to be charged are communicated with charging input end, realize the charging of battery to be charged, when after battery charging complete, second field effect transistor controls the 3rd field effect transistor and the 4th field effect transistor cut-off realization charging shutoff controls, if the positive pole of charging input end and negative pole connect anti-or short circuit, now input voltage is abnormal, input voltage is very little of zero, input voltage controls the first field effect transistor cut-off after first carrying out voltage division processing by the first resistance and the second resistance, now the 3rd field effect transistor and the cut-off of the 4th field effect transistor, battery two ends to be charged and charging input end disconnect, battery to be charged stops charging, realize the counnter attack protection to battery charging, circuit of the present invention in battery charging process due to use field effect transistor control, so larger voltage can not be produced, energy loss is less, anti-circnit NOT can not be caused to generate heat serious, charging interval can not lengthen, and realize anti-inverse processing by hardware circuit, process is simple, counnter attack good stability,
When being parallel with the first electric capacity in the two ends of the second resistance, when the two ends of the 3rd resistance are parallel with the second electric capacity, the high-frequency interferencing signal in the first electric capacity and the anti-circnit NOT of the second electric capacity filtering, improves counnter attack circuit anti-interference ability.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of embodiment one;
Fig. 2 is the circuit diagram of embodiment two.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one: as shown in the figure, a kind of battery charges anti-circnit NOT, comprises the first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, first field effect transistor T1, second field effect transistor T2, 3rd field effect transistor T3, 4th field effect transistor T4, one end of diode D1 and fuse FUSE1, the first resistance R1 is connected with one end of fuse FUSE1 and its link is positive pole charging input end, the other end of the first resistance R1, one end of second resistance R2 is connected with the source electrode of the first field effect transistor T1, the other end of the second resistance R2, the grid of the first field effect transistor T1 is connected with the drain electrode of the 3rd field effect transistor T3 and its link is the drain electrode of negative pole charging input end, the first field effect transistor T1, the grid of the 3rd field effect transistor T3, one end of 3rd resistance R3, the drain electrode of the second field effect transistor T2 is connected with the grid of the 4th field effect transistor T4, the source electrode of the 3rd field effect transistor T3, the other end of the 3rd resistance R3, the source electrode of the second field effect transistor T2, one end of 4th resistance R4 is connected with the source electrode of the 4th field effect transistor T4, the grid of the second field effect transistor T2, the other end of the 4th resistance R4 is connected with one end of the 5th resistance R5, the other end of the 5th resistance R5 is connected with the negative pole of diode D1, the positive pole access switching signal of diode D1, switching signal controls battery charging or closes, the drain electrode of the 4th field effect transistor T4 is for connecting the negative pole of battery, and the other end of fuse is for connecting the positive pole of battery.
The operation principle of the present embodiment is: the drain electrode of the negative pole of battery to be charged with the 4th field effect T4 be connected, the positive pole of battery to be charged is connected with the other end of fuse.Battery charges after the positive pole charging input end of anti-circnit NOT is connected with charging input end with negative pole charging input end and accesses input voltage, if the positive pole of charging input end and negative pole do not connect anti-or short circuit, now input voltage is normal, input voltage controls the first field effect transistor T1 conducting after first carrying out voltage division processing by the first resistance R1 and the second resistance R2, the 3rd field effect transistor T3 and the 4th field effect transistor T4 conducting is controlled after first field effect transistor T1 conducting, now battery two ends to be charged are communicated with charging input end, realize the charging of battery to be charged, when after battery charging complete, second field effect transistor T2 controls the 3rd field effect transistor T3 and the 4th field effect transistor T4 cut-off realization charging shutoff and controls, if the positive pole of charging input end and negative pole connect anti-or short circuit, now input voltage is abnormal, input voltage is very little of zero, input voltage controls the first field effect transistor T1 cut-off after first carrying out voltage division processing by the first resistance R1 and the second resistance R2, now the 3rd field effect transistor T3 and the 4th field effect transistor T4 ends, battery two ends to be charged and charging input end disconnect, and battery to be charged stops charging, realize the counnter attack protection to battery charging.
Embodiment two: this example is substantially identical with embodiment one, difference is only that the two ends of the second resistance are parallel with the first electric capacity C1, and the two ends of the 3rd resistance R3 are parallel with the second electric capacity C2.Add the first electric capacity C1 and the second electric capacity C2 in the present embodiment, the high-frequency interferencing signal in the first electric capacity C1 and the anti-circnit NOT of the second electric capacity C2 filtering, improve counnter attack circuit anti-interference ability, the circuit of the present embodiment is stronger relative to its circuit stability of embodiment one.
Claims (2)
1. battery charges an anti-circnit NOT, it is characterized in that comprising the first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, first field effect transistor, second field effect transistor, 3rd field effect transistor, 4th field effect transistor, diode and fuse, one end of the first described resistance is connected with one end of described fuse and its link is positive pole charging input end, the other end of the first described resistance, one end of the second described resistance is connected with the source electrode of the first described field effect transistor, the other end of the second described resistance, the grid of the first described field effect transistor is connected with the drain electrode of the 3rd described field effect transistor and its link is negative pole charging input end, the drain electrode of the first described field effect transistor, the grid of the 3rd described field effect transistor, one end of the 3rd described resistance, the drain electrode of the second described field effect transistor is connected with the grid of the 4th described field effect transistor, the source electrode of the 3rd described field effect transistor, the other end of the 3rd described resistance, the source electrode of the second described field effect transistor, one end of the 4th described resistance is connected with the source electrode of the 4th described field effect transistor, the grid of the second described field effect transistor, the other end of the 4th described resistance is connected with one end of the 5th described resistance, the other end of the 5th described resistance is connected with the negative pole of described diode, the positive pole access switching signal of described diode, the drain electrode of the 4th described field effect transistor is for connecting the negative pole of battery, and the other end of described fuse is for connecting the positive pole of battery.
2. a kind of battery according to claim 1 charges anti-circnit NOT, and it is characterized in that the two ends of the second described resistance are parallel with the first electric capacity, the two ends of the 3rd described resistance are parallel with the second electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077927.5A CN103812198B (en) | 2014-03-05 | 2014-03-05 | A kind of battery charges anti-circnit NOT |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077927.5A CN103812198B (en) | 2014-03-05 | 2014-03-05 | A kind of battery charges anti-circnit NOT |
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| Publication Number | Publication Date |
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| CN103812198A CN103812198A (en) | 2014-05-21 |
| CN103812198B true CN103812198B (en) | 2015-09-02 |
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| CN201410077927.5A Expired - Fee Related CN103812198B (en) | 2014-03-05 | 2014-03-05 | A kind of battery charges anti-circnit NOT |
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| CN113872265B (en) * | 2021-08-20 | 2025-05-06 | 浪潮电子信息产业股份有限公司 | A power management circuit |
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| JPH10285810A (en) * | 1997-04-07 | 1998-10-23 | Seiko Instr Inc | Charge and discharge controlling circuit and charging system power device |
| KR20080023887A (en) * | 2006-09-12 | 2008-03-17 | 주식회사 만도 | Reverse voltage prevention device of pulse width modulation motor |
| CN101174770A (en) * | 2007-11-21 | 2008-05-07 | 中兴通讯股份有限公司 | Charging protection method and device |
| CN102545164A (en) * | 2010-12-29 | 2012-07-04 | 广东易事特电源股份有限公司 | A driving circuit of a solar charge controller anti-reverse connection protection circuit switch unit |
| CN203339676U (en) * | 2013-07-16 | 2013-12-11 | 长沙市博巨兴电子科技有限公司 | Battery reverse short circuit protection circuit |
| CN203839998U (en) * | 2014-03-05 | 2014-09-17 | 宁波市安博应急品有限公司 | Battery charging reverse-connection protecting circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4771180B2 (en) * | 2008-08-28 | 2011-09-14 | トヨタ自動車株式会社 | Battery pack and battery pack control system |
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2014
- 2014-03-05 CN CN201410077927.5A patent/CN103812198B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10285810A (en) * | 1997-04-07 | 1998-10-23 | Seiko Instr Inc | Charge and discharge controlling circuit and charging system power device |
| KR20080023887A (en) * | 2006-09-12 | 2008-03-17 | 주식회사 만도 | Reverse voltage prevention device of pulse width modulation motor |
| CN101174770A (en) * | 2007-11-21 | 2008-05-07 | 中兴通讯股份有限公司 | Charging protection method and device |
| CN102545164A (en) * | 2010-12-29 | 2012-07-04 | 广东易事特电源股份有限公司 | A driving circuit of a solar charge controller anti-reverse connection protection circuit switch unit |
| CN203339676U (en) * | 2013-07-16 | 2013-12-11 | 长沙市博巨兴电子科技有限公司 | Battery reverse short circuit protection circuit |
| CN203839998U (en) * | 2014-03-05 | 2014-09-17 | 宁波市安博应急品有限公司 | Battery charging reverse-connection protecting circuit |
Non-Patent Citations (1)
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| CN103812198A (en) | 2014-05-21 |
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Address after: 315212, 118, Zhenhai Avenue, Ningbo, Zhejiang Applicant after: Ningbo City Anbo New Energy Technology Co., Ltd. Address before: 315212, 118, Zhenhai Avenue, Ningbo, Zhejiang Applicant before: NINGBO AMBON EMERGENCY PRODUCTS CO., LTD. |
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| CB03 | Change of inventor or designer information |
Inventor after: He Jianfen Inventor after: Xu Naijun Inventor before: Xu Naijun Inventor before: Huang Jie Inventor before: Wang Yijun Inventor before: Bao Jianqiang Inventor before: Ran Zhilin Inventor before: Zhan Xingxing Inventor before: Zhuo Weibo Inventor before: He Jianfen Inventor before: Zhang Zhijian Inventor before: Wang Zhefu Inventor before: Yao Xu |
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Free format text: CORRECT: INVENTOR; FROM: XU NAIJUN BAO JIANQIANG RAN ZHILIN ZHAN XINGXING ZHUO WEIBO HE JIANFEN ZHANG ZHIJIAN WANG ZHEFU YAO XU HUANG JIE WANG YIJUN TO: HE JIANFEN XU NAIJUN Free format text: CORRECT: APPLICANT; FROM: NINGBO ANBO EMERGENCY PRODUCTS CO., LTD. TO: NINGBO CITY ANBO NEW ENERGY TECHNOLOGY CO., LTD. |
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