CN202749866U - Cell charger polarity self-adaptive system - Google Patents
Cell charger polarity self-adaptive system Download PDFInfo
- Publication number
- CN202749866U CN202749866U CN 201220423088 CN201220423088U CN202749866U CN 202749866 U CN202749866 U CN 202749866U CN 201220423088 CN201220423088 CN 201220423088 CN 201220423088 U CN201220423088 U CN 201220423088U CN 202749866 U CN202749866 U CN 202749866U
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- resistance
- optocoupler
- charger
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- battery
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Abstract
The present utility model relates to a cell charging system, especially to a cell charger self-adaptive protection system. The cell charger polarity self-adaptive system is arranged between a charger and a storage cell, the system comprises a control circuit and a controlled full bridge circuit, and the control circuit is connected with the controlled full bridge circuit through a resistor R5 and a resistor R6. By adopting the cell charger polarity self-adaptive system, dangers caused during the process of connecting the charger with the cell in a reversal way can be avoided, and the cell can be charged during the reversal connecting process.
Description
Technical field
The utility model relates to a kind of batter-charghing system, relates 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 was connected with opposite polarity battery, charger voltage and cell voltage stack formed short circuit.Short circuit current gently then damages charger, and is heavy then cause battery to be scrapped, even sets off an explosion.
At present, there is the people that charger and battery reversal connection have been proposed protective circuit, but can not produce danger and damage when protective circuit can only guarantee reversal connection, can not charge to battery.
The utility model content
Technique effect of the present utility model can overcome defects, and a kind of battery charger polarity Adaptable System is provided, and it is so that when charger and the generation of battery reversal connection phenomenon, also can normally charge to battery.
For achieving the above object, the utility model adopts following technical scheme: its system is arranged between charger and the storage battery, and system comprises control circuit and controlled full-bridge circuit, connects by resistance R 5, resistance R 6 between control circuit and the controlled full-bridge circuit;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R 7, resistance R 8, is connected the storage battery two ends with pin 2 respectively behind the pin 1 contact resistance R7 of optocoupler U1, is connected the storage battery two ends with pin 1 respectively behind the pin 2 contact resistance R8 of optocoupler U2;
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 an 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 grid of NMOS pipe Q2, the pin 3 of optocoupler U2; Resistance R 4 other ends connect respectively the grid of NMOS pipe Q4, the pin 3 of optocoupler U1.
Adaptive circuit is connected between charger and the battery, is comprised of control circuit and controlled full-bridge circuit.Resistance R 7, R8 are current limliting usefulness, 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 is reacted according to the battery connection, and the brachium pontis of full-bridge circuit is made corresponding control, and the connected mode of control output is to adapt to the polarity that connects battery.
Electronic devices and components in the native system, preferably, optocoupler U1 and optocoupler U2 adopt the TLP521 model, and the PMOS pipe adopts the 2SJ567 model, and the NMOS pipe adopts the SSM3K318T model.
Battery charger polarity Adaptable System of the present utility model, the generation of danger in the time of can protecting charger and battery reversal connection, and battery is charged can realize reversal connection the time.
Description of drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Battery charger polarity Adaptable System of the present utility model is arranged between charger and the storage battery, and system comprises control circuit and controlled full-bridge circuit, connects by resistance R 5, resistance R 6 between control circuit and the controlled full-bridge circuit;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R 7, resistance R 8, is connected the storage battery two ends with pin 2 respectively behind the pin 1 contact resistance R7 of optocoupler U1, is connected the storage battery two ends with pin 1 respectively behind the pin 2 contact resistance R8 of optocoupler U2;
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 an 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 grid of NMOS pipe Q2, the pin 3 of optocoupler U2; Resistance R 4 other ends connect respectively the grid of NMOS pipe Q4, the pin 3 of optocoupler U1.
Optocoupler U1 and optocoupler U2 adopt the TLP521 model, and the PMOS pipe adopts the 2SJ567 model, and the NMOS pipe adopts the SSM3K318T model.
System Working Principle of the present utility model 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 resistance R 1, resistance R 3, all not conductings, charger is exported and is disconnected.
2. when battery was received charger by direction as shown, optocoupler U1 conducting, optocoupler U2 ended.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 opposite with direction as shown when 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. battery charger polarity Adaptable System, system is arranged between charger and the storage battery, it is characterized in that, and system comprises control circuit and controlled full-bridge circuit, connects by resistance R 5, resistance R 6 between control circuit and the controlled full-bridge circuit;
Wherein, control circuit comprises optocoupler U1, optocoupler U2, resistance R 7, resistance R 8, is connected the storage battery two ends with pin 2 respectively behind the pin 1 contact resistance R7 of optocoupler U1, is connected the storage battery two ends with pin 1 respectively behind the pin 2 contact resistance R8 of optocoupler U2;
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 an 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 grid of NMOS pipe Q2, the pin 3 of optocoupler U2; Resistance R 4 other ends connect respectively the grid of NMOS pipe 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 the TLP521 model.
3. battery charger polarity Adaptable System according to claim 1 and 2 is characterized in that, the PMOS pipe adopts the 2SJ567 model.
4. battery charger polarity Adaptable System according to claim 3 is characterized in that, the NMOS pipe adopts the SSM3K318T model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220423088 CN202749866U (en) | 2012-08-23 | 2012-08-23 | Cell charger polarity self-adaptive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220423088 CN202749866U (en) | 2012-08-23 | 2012-08-23 | Cell charger polarity self-adaptive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749866U true CN202749866U (en) | 2013-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220423088 Withdrawn - After Issue CN202749866U (en) | 2012-08-23 | 2012-08-23 | Cell charger polarity self-adaptive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749866U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023011A (en) * | 2013-01-10 | 2013-04-03 | 山东润峰电子科技有限公司 | Full-automatic quick reverse-connection protective charger |
| CN103633675B (en) * | 2012-08-23 | 2015-08-19 | 青岛紫光软件系统有限公司 | Battery charger polarity Adaptable System |
| 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 |
| WO2019154116A1 (en) * | 2018-02-09 | 2019-08-15 | 常州市派腾电子技术服务有限公司 | Charging circuit and electronic cigarette |
-
2012
- 2012-08-23 CN CN 201220423088 patent/CN202749866U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633675B (en) * | 2012-08-23 | 2015-08-19 | 青岛紫光软件系统有限公司 | Battery charger polarity Adaptable System |
| CN103023011A (en) * | 2013-01-10 | 2013-04-03 | 山东润峰电子科技有限公司 | Full-automatic quick reverse-connection protective charger |
| 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 |
| WO2019154116A1 (en) * | 2018-02-09 | 2019-08-15 | 常州市派腾电子技术服务有限公司 | Charging circuit and electronic cigarette |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Battery charger polarity self-adaption system Effective date of registration: 20140411 Granted publication date: 20130220 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO UNIS SOFTWARE SYSTEM CO., LTD. Registration number: 2014990000259 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 266061 No. 46 East Liaoyang Road, Laoshan District, Shandong, Qingdao Patentee after: QINGDAO UNIS SOFTWARE SYSTEM CO., LTD. Address before: 266100 Shandong province Qingdao City, Liaoning Road No. 228 Patentee before: QINGDAO UNIS SOFTWARE SYSTEM CO., LTD. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150424 Granted publication date: 20130220 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO UNIS SOFTWARE SYSTEM CO., LTD. Registration number: 2014990000259 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |