CN103633675A - Battery charger polarity self-adaption system - Google Patents
Battery charger polarity self-adaption system Download PDFInfo
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- CN103633675A CN103633675A CN201210305376.4A CN201210305376A CN103633675A CN 103633675 A CN103633675 A CN 103633675A CN 201210305376 A CN201210305376 A CN 201210305376A CN 103633675 A CN103633675 A CN 103633675A
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- optocoupler
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- 230000000694 effects Effects 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to a battery charging system, and especially relates to a self-adaption protection system of a battery charger. According to the battery charger polarity self-adaption system provided by the invention, the system is arranged between the charger and a storage battery; the system comprises a control circuit and a controlled full bridge circuit; and the control circuit and the controlled full bridge circuit are connected through a resistor R5 and a resistor R6. The battery charger polarity self-adaption system provided by the invention can prevent dangers when the charger and the battery are reversely connected, and can realize battery charging when reverse connection is carries out.
Description
Technical field
The present invention relates to a kind of batter-charghing system, relate in particular to a kind of adaptive guard system of battery charger.
Background technology
Because the both positive and negative polarity of electric motor car manufacturer setting battery is lack of standardization, most of users also do not know the positive-negative polarity of battery.When charger is connected with opposite polarity battery, charger voltage and cell voltage stack, form short circuit.Short circuit current gently damages charger, heavy cause battery to be scrapped, and even sets off an explosion.
At present, there is people to propose protective circuit to charger and battery reversal connection, but can not produce danger and damage when protective circuit can only guarantee reversal connection, can not charge to battery.
Summary of the invention
Technique effect of the present invention can overcome above-mentioned defect, and a kind of battery charger polarity Adaptable System is provided, and it makes, when charger and the generation of battery reversal connection phenomenon, also can normally to battery, charge.
For achieving the above object, the present invention adopts following technical scheme: its system is arranged between charger and storage battery, and system comprises control circuit and controlled full-bridge circuit, between control circuit and controlled full-bridge circuit, by resistance R 5, resistance R 6, connects;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R 7, resistance R 8, after the pin 1 contact resistance R7 of optocoupler U1, is connected storage battery two ends respectively with pin 2, after the pin 2 contact resistance R8 of optocoupler U2, is connected storage battery two ends respectively with pin 1;
Controlled full-bridge circuit comprises PMOS pipe Q1, PMOS pipe Q3, NMOS pipe Q2, NMOS pipe Q4, resistance R 1, resistance R 2, resistance R 3, resistance R 4, one end of resistance R 1, resistance R 3 is one end of connecting charger respectively, one end of resistance R 2, resistance R 4 is the other end of connecting charger respectively, resistance R 1 other end connects respectively grid, the resistance R 5 of PMOS pipe Q1, and the other end of resistance R 5 connects the pin 4 of optocoupler U1; Resistance R 3 other ends connect respectively grid, the resistance R 6 of PMOS pipe Q3, and the other end of resistance R 6 connects the pin 4 of optocoupler U2; Resistance R 2 other ends connect respectively the NMOS pipe grid of Q2, the pin 3 of optocoupler U2; Resistance R 4 other ends connect respectively the NMOS pipe grid of Q4, the pin 3 of optocoupler U1.
Adaptive circuit is connected between charger and battery, control circuit and controlled full-bridge circuit, consists of.Resistance R 7, R8 are current limliting use, and resistance R 1-R4 is bigoted resistance, and resistance R 5, resistance R 6 are for connecting the divider resistance of control circuit and controlled full-bridge.Control circuit, reacts according to battery connection, and the brachium pontis of full-bridge circuit is made to corresponding control, controls the connected mode of output, to adapt to the polarity that connects battery.
Electronic devices and components in native system, preferably, optocoupler U1 and optocoupler U2 adopt TLP521 model, and PMOS pipe adopts 2SJ567 model, and NMOS pipe adopts SSM3K318T model.
Battery charger polarity Adaptable System of the present invention, the generation of danger in the time of can protecting charger and battery reversal connection, and battery is charged can realize reversal connection time.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention.
Embodiment
Battery charger polarity Adaptable System of the present invention is arranged between charger and storage battery, and system comprises control circuit and controlled full-bridge circuit, between control circuit and controlled full-bridge circuit, by resistance R 5, resistance R 6, connects;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R 7, resistance R 8, after the pin 1 contact resistance R7 of optocoupler U1, is connected storage battery two ends respectively with pin 2, after the pin 2 contact resistance R8 of optocoupler U2, is connected storage battery two ends respectively with pin 1;
Controlled full-bridge circuit comprises PMOS pipe Q1, PMOS pipe Q3, NMOS pipe Q2, NMOS pipe Q4, resistance R 1, resistance R 2, resistance R 3, resistance R 4, one end of resistance R 1, resistance R 3 is one end of connecting charger respectively, one end of resistance R 2, resistance R 4 is the other end of connecting charger respectively, resistance R 1 other end connects respectively grid, the resistance R 5 of PMOS pipe Q1, and the other end of resistance R 5 connects the pin 4 of optocoupler U1; Resistance R 3 other ends connect respectively grid, the resistance R 6 of PMOS pipe Q3, and the other end of resistance R 6 connects the pin 4 of optocoupler U2; Resistance R 2 other ends connect respectively the NMOS pipe grid of Q2, the pin 3 of optocoupler U2; Resistance R 4 other ends connect respectively the NMOS pipe grid of Q4, the pin 3 of optocoupler U1.
Optocoupler U1 and optocoupler U2 adopt TLP521 model, and PMOS pipe adopts 2SJ567 model, and NMOS pipe adopts SSM3K318T model.
System Working Principle of the present invention is as follows:
1. when battery does not have place in circuit, optocoupler U1, the cut-off of optocoupler U2 output, the NMOS pipe of full-bridge circuit and PMOS pipe draw under the drop-down effect with resistance R 2, resistance R 4 in resistance R 1, resistance R 3, all not conductings, charger is exported and is disconnected.
2. when battery is received charger by direction as shown, optocoupler U1 conducting, optocoupler U2 end.NMOS pipe Q2, PMOS pipe Q3 cut-off under resistance R 2, resistance R 3 effects.Under optocoupler U1 effect, resistance R 1, resistance R 4,5 pairs of light source of charger dividing potential drops of resistance R, PMOS pipe Q1, NMOS pipe Q4 conducting, charger normally charges to battery.
3. when battery is contrary with direction as shown while receiving charger, optocoupler U2 conducting, optocoupler U1 cut-off.PMOS pipe Q1, NMOS pipe Q4 cut-off under resistance R 1, resistance R 4 effects.Under optocoupler U2 effect, resistance R 2, resistance R 3,6 pairs of light source of charger dividing potential drops of resistance R, NMOS pipe Q2, PMOS pipe Q3 conducting, charger normally charges to battery.
Claims (4)
1. a battery charger polarity Adaptable System, system is arranged between charger and storage battery, it is characterized in that, and system comprises control circuit and controlled full-bridge circuit, between control circuit and controlled full-bridge circuit, by resistance R 5, resistance R 6, connects;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R 7, resistance R 8, after the pin 1 contact resistance R7 of optocoupler U1, is connected storage battery two ends respectively with pin 2, after the pin 2 contact resistance R8 of optocoupler U2, is connected storage battery two ends respectively with pin 1;
Controlled full-bridge circuit comprises PMOS pipe Q1, PMOS pipe Q3, NMOS pipe Q2, NMOS pipe Q4, resistance R 1, resistance R 2, resistance R 3, resistance R 4, one end of resistance R 1, resistance R 3 is one end of connecting charger respectively, one end of resistance R 2, resistance R 4 is the other end of connecting charger respectively, resistance R 1 other end connects respectively grid, the resistance R 5 of PMOS pipe Q1, and the other end of resistance R 5 connects the pin 4 of optocoupler U1; Resistance R 3 other ends connect respectively grid, the resistance R 6 of PMOS pipe Q3, and the other end of resistance R 6 connects the pin 4 of optocoupler U2; Resistance R 2 other ends connect respectively the NMOS pipe grid of Q2, the pin 3 of optocoupler U2; Resistance R 4 other ends connect respectively the NMOS pipe grid of Q4, the pin 3 of optocoupler U1.
2. battery charger polarity Adaptable System according to claim 1, is characterized in that, optocoupler U1 and optocoupler U2 adopt TLP521 model.
3. battery charger polarity Adaptable System according to claim 1 and 2, is characterized in that, PMOS pipe adopts 2SJ567 model.
4. battery charger polarity Adaptable System according to claim 3, is characterized in that, NMOS pipe adopts SSM3K318T model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305376.4A CN103633675B (en) | 2012-08-23 | 2012-08-23 | Battery charger polarity Adaptable System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305376.4A CN103633675B (en) | 2012-08-23 | 2012-08-23 | Battery charger polarity Adaptable System |
Publications (2)
| Publication Number | Publication Date |
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| CN103633675A true CN103633675A (en) | 2014-03-12 |
| CN103633675B CN103633675B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210305376.4A Expired - Fee Related CN103633675B (en) | 2012-08-23 | 2012-08-23 | Battery charger polarity Adaptable System |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329963A (en) * | 2016-07-05 | 2017-01-11 | 濮阳市立圆汽车电器有限公司 | Bridge type switching apparatus for power supply |
| CN106602637A (en) * | 2016-11-18 | 2017-04-26 | 深圳市科陆电子科技股份有限公司 | Battery equalization channel self-adaptive polarity switching circuit |
| CN112653115A (en) * | 2020-12-18 | 2021-04-13 | 同方电子科技有限公司 | Multi-module parallel input circuit for preventing reverse connection, overvoltage and undervoltage protection and isolating switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201398070Y (en) * | 2009-05-06 | 2010-02-03 | 厦门拓宝科技有限公司 | Circuit preventing polarity of accumulator from reverse connection |
| CN202749866U (en) * | 2012-08-23 | 2013-02-20 | 青岛紫光软件系统有限公司 | Cell charger polarity self-adaptive system |
-
2012
- 2012-08-23 CN CN201210305376.4A patent/CN103633675B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329963A (en) * | 2016-07-05 | 2017-01-11 | 濮阳市立圆汽车电器有限公司 | Bridge type switching apparatus for power supply |
| CN106329963B (en) * | 2016-07-05 | 2019-05-28 | 濮阳市立圆汽车电器有限公司 | A kind of power supply bridge-type switching device |
| CN106602637A (en) * | 2016-11-18 | 2017-04-26 | 深圳市科陆电子科技股份有限公司 | Battery equalization channel self-adaptive polarity switching circuit |
| CN106602637B (en) * | 2016-11-18 | 2019-11-05 | 深圳市科陆电子科技股份有限公司 | A kind of battery balanced channel adaptive polarity switching circuit |
| CN112653115A (en) * | 2020-12-18 | 2021-04-13 | 同方电子科技有限公司 | Multi-module parallel input circuit for preventing reverse connection, overvoltage and undervoltage protection and isolating switch |
| CN112653115B (en) * | 2020-12-18 | 2023-05-02 | 同方电子科技有限公司 | Multi-module parallel input circuit for reverse connection prevention, overvoltage and undervoltage protection and isolation switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103633675B (en) | 2015-08-19 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 266061 No. 46 East Liaoyang Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO UNIS SOFTWARE SYSTEM CO., LTD. Address before: 266100 Shandong province Qingdao City, Liaoning Road No. 228 Applicant before: QINGDAO UNIS SOFTWARE SYSTEM CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cui Yan Inventor after: Li Jinhua Inventor after: Lan Guangyi Inventor before: Cui Yan Inventor before: Lan Guangyi |
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| COR | Change of bibliographic data | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Battery charger polarity self-adaption system Effective date of registration: 20170411 Granted publication date: 20150819 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO UNIS SOFTWARE SYSTEM CO., LTD. Registration number: 2017370010007 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20180823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |