CN103633675B - Battery charger polarity Adaptable System - Google Patents
Battery charger polarity Adaptable System Download PDFInfo
- Publication number
- CN103633675B CN103633675B CN201210305376.4A CN201210305376A CN103633675B CN 103633675 B CN103633675 B CN 103633675B CN 201210305376 A CN201210305376 A CN 201210305376A CN 103633675 B CN103633675 B CN 103633675B
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- resistance
- optocoupler
- battery
- charger
- pmos
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- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of batter-charghing system, particularly relate to a kind of adaptive guard system of battery charger.Battery charger polarity Adaptable System of the present invention, Operation system setting of the present invention is between charger and storage battery, and system comprises control circuit and controlled full-bridge circuit, is connected between control circuit and controlled full-bridge circuit by resistance R5, resistance R6.Battery charger polarity Adaptable System of the present invention, can protect the generation of danger when charger and battery reversal connection, and charge to battery when can realize reversal connection.
Description
Technical field
The present invention relates to a kind of batter-charghing system, particularly relate to a kind of adaptive guard system of battery charger.
Background technology
Because the both positive and negative polarity of electric motor car manufacturer configuration battery is lack of standardization, most of user does not also know the positive-negative polarity of battery.When charger is connected with opposite polarity battery, charger voltage superposes with cell voltage, forms short circuit.Short circuit current gently then damages charger, heavy then 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 danger and damage can not be produced when protective circuit can only ensure reversal connection, can not charge to battery.
Summary of the invention
Technique effect of the present invention can overcome above-mentioned defect, provides a kind of battery charger polarity Adaptable System, and it makes, when charger and battery reversal connection phenomenon occur, also can normally charge to battery.
For achieving the above object, the present invention adopts following technical scheme: its Operation system setting is between charger and storage battery, and system comprises control circuit and controlled full-bridge circuit, is connected between control circuit and controlled full-bridge circuit by resistance R5, resistance R6;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R7, resistance R8, is connected storage battery two ends respectively after the pin 1 contact resistance R7 of optocoupler U1 with pin 2, is connected storage battery two ends respectively after the pin 2 contact resistance R8 of optocoupler U2 with pin 1;
Controlled full-bridge circuit comprises PMOS Q1, PMOS Q3, NMOS tube Q2, NMOS tube Q4, resistance R1, resistance R2, resistance R3, resistance R4, one end of one end difference connecting charger of resistance R1, resistance R3, the other end of one end difference connecting charger of resistance R2, resistance R4, the resistance R1 other end connects grid, the resistance R5 of PMOS Q1 respectively, and the other end of resistance R5 connects the pin 4 of optocoupler U1; The resistance R3 other end connects grid, the resistance R6 of PMOS Q3 respectively, and the other end of resistance R6 connects the pin 4 of optocoupler U2; The resistance R2 other end connects the grid of NMOS tube Q2, the pin 3 of optocoupler U2 respectively; The resistance R4 other end connects the grid of NMOS tube Q4, the pin 3 of optocoupler U1 respectively.
Adaptive circuit is connected between charger and battery, is made up of control circuit and controlled full-bridge circuit.Resistance R7, R8 are current limliting use, and resistance R1-R4 is bigoted resistance, and resistance R5, resistance R6 are the divider resistance of connection control circuit and controlled full-bridge.Control circuit, reacts according to battery connection, makes corresponding control to the brachium pontis of full-bridge circuit, controls the connected mode exported, to adapt to the polarity connecting battery.
Electronic devices and components in native system, preferably, optocoupler U1 and optocoupler U2 adopts TLP521 model, and PMOS adopts 2SJ567 model, and NMOS tube adopts SSM3K318T model.
Battery charger polarity Adaptable System of the present invention, can protect the generation of danger when charger and battery reversal connection, and charge to battery when can realize reversal connection.
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, is connected between control circuit and controlled full-bridge circuit by resistance R5, resistance R6;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R7, resistance R8, is connected storage battery two ends respectively after the pin 1 contact resistance R7 of optocoupler U1 with pin 2, is connected storage battery two ends respectively after the pin 2 contact resistance R8 of optocoupler U2 with pin 1;
Controlled full-bridge circuit comprises PMOS Q1, PMOS Q3, NMOS tube Q2, NMOS tube Q4, resistance R1, resistance R2, resistance R3, resistance R4, one end of one end difference connecting charger of resistance R1, resistance R3, the other end of one end difference connecting charger of resistance R2, resistance R4, the resistance R1 other end connects grid, the resistance R5 of PMOS Q1 respectively, and the other end of resistance R5 connects the pin 4 of optocoupler U1; The resistance R3 other end connects grid, the resistance R6 of PMOS Q3 respectively, and the other end of resistance R6 connects the pin 4 of optocoupler U2; The resistance R2 other end connects the grid of NMOS tube Q2, the pin 3 of optocoupler U2 respectively; The resistance R4 other end connects the grid of NMOS tube Q4, the pin 3 of optocoupler U1 respectively.
Optocoupler U1 and optocoupler U2 adopts TLP521 model, and PMOS adopts 2SJ567 model, and NMOS tube adopts SSM3K318T model.
System Working Principle of the present invention is as follows:
1. when battery does not have place in circuit, optocoupler U1, optocoupler U2 output end, and the NMOS tube of full-bridge circuit and PMOS are under the drop-down effect of the pull-up of resistance R1, resistance R3 and resistance R2, resistance R4, and all not conductings, charger exports and is disconnected.
2., when battery receives charger by direction as shown, optocoupler U1 conducting, optocoupler U2 end.NMOS tube Q2, PMOS Q3 end under resistance R2, resistance R3 effect.Under optocoupler U1 effect, resistance R1, resistance R4, resistance R5 are to light source of charger dividing potential drop, and PMOS Q1, NMOS tube Q4 conducting, charger normally charges to battery.
3. when battery is contrary with direction as shown receive charger time, optocoupler U2 conducting, optocoupler U1 end.PMOS Q1, NMOS tube Q4 end under resistance R1, resistance R4 effect.Under optocoupler U2 effect, resistance R2, resistance R3, resistance R6 are to light source of charger dividing potential drop, and NMOS tube Q2, PMOS Q3 conducting, charger normally charges to battery.
Claims (4)
1. a battery charger polarity Adaptable System, Operation system setting, between charger and storage battery, is characterized in that, system comprises control circuit and controlled full-bridge circuit, is connected between control circuit and controlled full-bridge circuit by resistance R5, resistance R6;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R7, resistance R8, connect storage battery OUT1 after the positive pole contact resistance R7 of optocoupler U1 to hold, the negative pole of optocoupler U1 connects storage battery OUT2 end, connect storage battery OUT2 after the negative pole contact resistance R8 of optocoupler U2 to hold, the positive pole of optocoupler U2 connects storage battery OUT1 end;
Controlled full-bridge circuit comprises PMOS Q1, PMOS Q3, NMOS tube Q2, NMOS tube Q4, resistance R1, resistance R2, resistance R3, resistance R4, the positive pole of one end difference connecting charger of resistance R1, resistance R3, the negative pole of one end difference connecting charger of resistance R2, resistance R4, the resistance R1 other end connects grid, the resistance R5 of PMOS Q1 respectively, and the other end of resistance R5 connects the collector electrode of optocoupler U1; The resistance R3 other end connects grid, the resistance R6 of PMOS Q3 respectively, and the other end of resistance R6 connects the collector electrode of optocoupler U2; The resistance R2 other end connects the grid of NMOS tube Q2, the emitter of optocoupler U2 respectively; The resistance R4 other end connects the grid of NMOS tube Q4, the emitter of optocoupler U1 respectively.
2. battery charger polarity Adaptable System according to claim 1, is characterized in that, optocoupler U1 and optocoupler U2 adopts TLP521 model.
3. battery charger polarity Adaptable System according to claim 1 and 2, is characterized in that, PMOS adopts 2SJ567 model.
4. battery charger polarity Adaptable System according to claim 3, is characterized in that, NMOS tube 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 |
|---|---|
| CN103633675A CN103633675A (en) | 2014-03-12 |
| CN103633675B true CN103633675B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210305376.4A Expired - Fee Related CN103633675B (en) | 2012-08-23 | 2012-08-23 | Battery charger polarity Adaptable System |
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| CN (1) | CN103633675B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Citations (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
Patent Citations (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 |
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| Publication number | Publication date |
|---|---|
| CN103633675A (en) | 2014-03-12 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| 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 |