CN102545164A - Driving circuit of switch unit of reverse-connection preventing protection circuit for solar charge controller - Google Patents
Driving circuit of switch unit of reverse-connection preventing protection circuit for solar charge controller Download PDFInfo
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- CN102545164A CN102545164A CN2010106104097A CN201010610409A CN102545164A CN 102545164 A CN102545164 A CN 102545164A CN 2010106104097 A CN2010106104097 A CN 2010106104097A CN 201010610409 A CN201010610409 A CN 201010610409A CN 102545164 A CN102545164 A CN 102545164A
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Abstract
The invention discloses a driving circuit of a switch unit of a reverse-connection preventing protection circuit for a solar charge controller. The driving circuit is provided with a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a diode D7, a negative-positive-negative (NPN) type triode Q6, a positive-negative-positive (PNP) type triode Q7, an NPN type triode Q8, an NPN type triode Q9 and a PNP type triode Q10. The driving circuit of the switch unit of the reverse-connection preventing protection circuit for the solar charge controller can output a driving signal through a signal output terminal DRV2; when a storage battery is connected reversely, the storage battery is prevented from being charged reversely during charge of the storage battery; and when the storage battery is not charged at night, the storage battery can be prevented from being discharged to a solar battery. The driving circuit has the advantages of simple structure and accurate detection.
Description
Technical field
The present invention relates to the solar charging controller technology, particularly relate to the drive circuit of the anti-reverse protective circuit switch element of a kind of solar charging controller.
Background technology
Solar charging controller is used for the whole process control of solar cell to battery charging process, in use, if misoperation; Cause accumulator positive, the negative polarity reversal connection of controller input, the perhaps positive and negative polarity reversal connection of the solar cell of controller input, perhaps both positive and negative polarity reversal connections simultaneously; Like this in charging process; Can cause solar cell that storage battery is carried out the generation of reverse charging accident, the consequence that causes is gently then to damage storage battery; Heavy then produce strong sparkover; Have a strong impact on the useful life of storage battery, more serious meeting causes that storage battery is overheated blasts, and generation with the personal safety accident very easily causes any property loss.And present existing solar charging controller does not all have the reverse connecting protection measure of this respect, has potential safety hazard.
Not enough to prior art, provide the anti-reverse protective circuit of a kind of solar charging electric control very necessary, be applicable to that the switch power source driving circuit of the anti-reverse protective circuit of this solar charging electric control is particularly necessary so provide a kind of.
Summary of the invention
The drive circuit that the objective of the invention is to avoid the weak point of prior art and the anti-reverse protective circuit switch element of a kind of solar charging controller is provided.
The object of the invention is realized through following technical measures.
The drive circuit of the anti-reverse protective circuit switch element of a kind of solar charging controller is provided with resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, diode D7, NPN type triode Q6, positive-negative-positive triode Q7, NPN type triode Q8, NPN type triode Q9 and positive-negative-positive triode Q10;
One end of resistance R 8 is connected with input power supply VB2; Resistance R 8 other ends, resistance R 9 one ends are connected with the pwm signal end; Resistance R 9 other ends are connected with the base stage of triode Q6; The emitter-base bandgap grading of triode Q6 is connected with battery terminal negative BGND, and the collector electrode of triode Q6 is connected with resistance R 11 1 ends, and an end of resistance R 11 other ends, resistance R 10 is connected with the base stage of triode Q7; The emitter-base bandgap grading of the other end of resistance R 10, triode Q7 is connected with input power supply VB1; The collector electrode of triode Q7 is connected with diode D7 is anodal, and diode D7 negative pole is connected with resistance R 12 1 ends, and resistance R 12 other ends, resistance R 13 1 ends are connected with triode Q8 base stage; The emitter-base bandgap grading of resistance R 13 other ends, triode Q8, the collector electrode of triode Q10 are connected with solar cell negative pole end S-; The collector electrode of resistance R 14 1 ends, triode Q9 is connected with input power supply VS1, and the base stage of the collector electrode of resistance R 14 other ends, triode Q8, the base stage of triode Q9, triode Q10 is connected with reverse connection of accumulator signal input part BattInverseFlag, and the emitter-base bandgap grading of the emitter-base bandgap grading of triode Q9, triode Q10 is connected with drive signal output DRV2.
The model of said triode Q6 is MMBT4401.
The model of said triode Q7 is MMBT4403.
The model of said triode Q8 is MMBT4401.
The model of said triode Q9 is MMBT4401.
The model of said triode Q10 is MMBT4403.
The model of said diode D7 is 1N4148.
The drive circuit of the anti-reverse protective circuit switch element of a kind of solar charging controller of the present invention is provided with resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, diode D7, NPN type triode Q6, positive-negative-positive triode Q7, NPN type triode Q8, NPN type triode Q9 and positive-negative-positive triode Q10; One end of resistance R 8 is connected with input power supply VB2; Resistance R 8 other ends, resistance R 9 one ends are connected with the pwm signal end; Resistance R 9 other ends are connected with the base stage of triode Q6; The emitter-base bandgap grading of triode Q6 is connected with battery terminal negative BGND, and the collector electrode of triode Q6 is connected with resistance R 11 1 ends, and an end of resistance R 11 other ends, resistance R 10 is connected with the base stage of triode Q7; The emitter-base bandgap grading of the other end of resistance R 10, triode Q7 is connected with input power supply VB1; The collector electrode of triode Q7 is connected with diode D7 is anodal, and diode D7 negative pole is connected with resistance R 12 1 ends, and resistance R 12 other ends, resistance R 13 1 ends are connected with triode Q8 base stage; The emitter-base bandgap grading of resistance R 13 other ends, triode Q8, the collector electrode of triode Q10 are connected with solar cell negative pole end S-; The collector electrode of resistance R 14 1 ends, triode Q9 is connected with input power supply VS1, and the base stage of the collector electrode of resistance R 14 other ends, triode Q8, the base stage of triode Q9, triode Q10 is connected with reverse connection of accumulator signal input part BattInverseFlag, and the emitter-base bandgap grading of the emitter-base bandgap grading of triode Q9, triode Q10 is connected with drive signal output DRV2.The drive circuit of the anti-reverse protective circuit switch element of this a kind of solar charging controller can pass through signal output part DRV2 output drive signal; When reverse connection of accumulator; When charging; Prevent the storage battery reverse charging, can prevent when do not charge night that storage battery is to the solar-electricity tank discharge.Circuit structure is simple, and detects accurately.
Description of drawings
Utilize accompanying drawing that the present invention is further described, but the content in the accompanying drawing does not constitute any restriction of the present invention.
Fig. 1 is the circuit diagram of the drive circuit of the anti-reverse protective circuit switch element of a kind of solar charging controller of the present invention.
Embodiment
In conjunction with following examples the present invention is further described.
The drive circuit of the anti-reverse protective circuit switch element of a kind of solar charging controller; As shown in Figure 1, be provided with resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, diode D7, NPN type triode Q6, positive-negative-positive triode Q7, NPN type triode Q8, NPN type triode Q9 and positive-negative-positive triode Q10.
One end of resistance R 8 is connected with input power supply VB2; Resistance R 8 other ends, resistance R 9 one ends are connected with the pwm signal end; Resistance R 9 other ends are connected with the base stage of triode Q6; The emitter-base bandgap grading of triode Q6 is connected with battery terminal negative BGND, and the collector electrode of triode Q6 is connected with resistance R 11 1 ends, and an end of resistance R 11 other ends, resistance R 10 is connected with the base stage of triode Q7; The emitter-base bandgap grading of the other end of resistance R 10, triode Q7 is connected with input power supply VB1; The collector electrode of triode Q7 is connected with diode D7 is anodal, and diode D7 negative pole is connected with resistance R 12 1 ends, and resistance R 12 other ends, resistance R 13 1 ends are connected with triode Q8 base stage; The emitter-base bandgap grading of resistance R 13 other ends, triode Q8, the collector electrode of triode Q10 are connected with solar cell negative pole end S-; The collector electrode of resistance R 14 1 ends, triode Q9 is connected with input power supply VS1, and the base stage of the collector electrode of resistance R 14 other ends, triode Q8, the base stage of triode Q9, triode Q10 is connected with reverse connection of accumulator signal input part BattInverseFlag, and the emitter-base bandgap grading of the emitter-base bandgap grading of triode Q9, triode Q10 is connected with drive signal output DRV2.
Wherein, the model of triode Q6 is MMBT4401, and the model of triode Q7 is MMBT4403, and the model of triode Q8 is MMBT4401, and the model of triode Q9 is MMBT4401, and the model of triode Q10 is MMBT4403, and the model of diode D7 is 1N4148.The drive circuit of the anti-reverse protective circuit switch element of solar charging controller of the present invention; When there is reversal connection in storage battery; The output of reverse connection of accumulator detecting unit will be exported the BattInverseFlag signal, and the input level of the push-pull circuit that will be made up of NPN type triode Q9, positive-negative-positive triode Q10 drags down, and is low level thereby make the output signal DRV2 of push-pull circuit; Thereby turn-offed switch element; When charging, prevented reverse charging to storage battery, can prevent when do not charge night that storage battery is to the solar-electricity tank discharge.
It is thus clear that; The present invention can come the drive signal DRV2 of power controlling switching tube according to the reverse connection of accumulator signal, and the switch element of charge circuit is closed, and in time stops the generation to the solar cell discharge scenario of storage battery reverse charging and storage battery; This circuit structure is simple, and is with low cost.
Should be noted that at last; Above embodiment is only in order to technical scheme of the present invention to be described but not to the restriction of protection range of the present invention; Although the present invention has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the essence and the scope of technical scheme of the present invention.
Claims (7)
1. the drive circuit of the anti-reverse protective circuit switch element of solar charging controller is characterized in that: be provided with resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, diode D7, NPN type triode Q6, positive-negative-positive triode Q7, NPN type triode Q8, NPN type triode Q9 and positive-negative-positive triode Q10;
One end of resistance R 8 is connected with input power supply VB2; Resistance R 8 other ends, resistance R 9 one ends are connected with the pwm signal end; Resistance R 9 other ends are connected with the base stage of triode Q6; The emitter-base bandgap grading of triode Q6 is connected with battery terminal negative BGND, and the collector electrode of triode Q6 is connected with resistance R 11 1 ends, and an end of resistance R 11 other ends, resistance R 10 is connected with the base stage of triode Q7; The emitter-base bandgap grading of the other end of resistance R 10, triode Q7 is connected with input power supply VB1; The collector electrode of triode Q7 is connected with diode D7 is anodal, and diode D7 negative pole is connected with resistance R 12 1 ends, and resistance R 12 other ends, resistance R 13 1 ends are connected with triode Q8 base stage; The emitter-base bandgap grading of resistance R 13 other ends, triode Q8, the collector electrode of triode Q10 are connected with solar cell negative pole end S-; The collector electrode of resistance R 14 1 ends, triode Q9 is connected with input power supply VS1, and the base stage of the collector electrode of resistance R 14 other ends, triode Q8, the base stage of triode Q9, triode Q10 is connected with reverse connection of accumulator signal input part BattInverseFlag, and the emitter-base bandgap grading of the emitter-base bandgap grading of triode Q9, triode Q10 is connected with drive signal output DRV2.
2. the drive circuit of the anti-reverse protective circuit switch element of solar charging controller according to claim 1 is characterized in that: the model of said triode Q6 is MMBT4401.
3. the drive circuit of the anti-reverse protective circuit switch element of solar charging controller according to claim 1 is characterized in that: the model of said triode Q7 is MMBT4403.
4. the drive circuit of the anti-reverse protective circuit switch element of solar charging controller according to claim 1 is characterized in that: the model of said triode Q8 is MMBT4401.
5. the drive circuit of the anti-reverse protective circuit switch element of solar charging controller according to claim 1 is characterized in that: the model of said triode Q9 is MMBT4401.
6. the drive circuit of the anti-reverse protective circuit switch element of solar charging controller according to claim 1 is characterized in that: the model of said triode Q10 is MMBT4403.
7. the drive circuit of the anti-reverse protective circuit switch element of solar charging controller according to claim 1 is characterized in that: the model of said diode D7 is 1N4148.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106104097A CN102545164A (en) | 2010-12-29 | 2010-12-29 | Driving circuit of switch unit of reverse-connection preventing protection circuit for solar charge controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106104097A CN102545164A (en) | 2010-12-29 | 2010-12-29 | Driving circuit of switch unit of reverse-connection preventing protection circuit for solar charge controller |
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| CN102545164A true CN102545164A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106104097A Pending CN102545164A (en) | 2010-12-29 | 2010-12-29 | Driving circuit of switch unit of reverse-connection preventing protection circuit for solar charge controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812198A (en) * | 2014-03-05 | 2014-05-21 | 宁波市安博应急品有限公司 | Reverse charging preventing circuit of battery charging |
| CN103872655A (en) * | 2014-03-26 | 2014-06-18 | 杭州万好万家动力电池有限公司 | Charging battery protecting circuit and control method of protecting circuit |
| WO2018050070A1 (en) * | 2016-09-13 | 2018-03-22 | 中兴通讯股份有限公司 | Charging control method and device, terminal and computer storage medium |
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| CN2877107Y (en) * | 2006-01-11 | 2007-03-07 | 惠州市蓝微电子有限公司 | Lithium battery charging managing circuit |
| JP2007082374A (en) * | 2005-09-16 | 2007-03-29 | Denso Corp | Protection circuit on reverse connection of power supply |
| CN101888109A (en) * | 2010-07-20 | 2010-11-17 | 衡阳中微科技开发有限公司 | Storage battery charge control circuit adopting two-way reverse connecting protection |
| CN201904612U (en) * | 2010-12-29 | 2011-07-20 | 广东易事特电源股份有限公司 | Driving circuit of switch unit of reverse-connection preventing protection circuit of solar charge controller |
-
2010
- 2010-12-29 CN CN2010106104097A patent/CN102545164A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007082374A (en) * | 2005-09-16 | 2007-03-29 | Denso Corp | Protection circuit on reverse connection of power supply |
| CN2877107Y (en) * | 2006-01-11 | 2007-03-07 | 惠州市蓝微电子有限公司 | Lithium battery charging managing circuit |
| CN101888109A (en) * | 2010-07-20 | 2010-11-17 | 衡阳中微科技开发有限公司 | Storage battery charge control circuit adopting two-way reverse connecting protection |
| CN201904612U (en) * | 2010-12-29 | 2011-07-20 | 广东易事特电源股份有限公司 | Driving circuit of switch unit of reverse-connection preventing protection circuit of solar charge controller |
Non-Patent Citations (1)
| Title |
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| 高云: "太阳能充电控制器研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812198A (en) * | 2014-03-05 | 2014-05-21 | 宁波市安博应急品有限公司 | Reverse charging preventing circuit of battery charging |
| CN103812198B (en) * | 2014-03-05 | 2015-09-02 | 宁波市安博新能源科技有限公司 | A kind of battery charges anti-circnit NOT |
| CN103872655A (en) * | 2014-03-26 | 2014-06-18 | 杭州万好万家动力电池有限公司 | Charging battery protecting circuit and control method of protecting circuit |
| WO2018050070A1 (en) * | 2016-09-13 | 2018-03-22 | 中兴通讯股份有限公司 | Charging control method and device, terminal and computer storage medium |
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Application publication date: 20120704 |