CN104467087A - Intelligent solar charging system - Google Patents
Intelligent solar charging system Download PDFInfo
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- CN104467087A CN104467087A CN201410701349.8A CN201410701349A CN104467087A CN 104467087 A CN104467087 A CN 104467087A CN 201410701349 A CN201410701349 A CN 201410701349A CN 104467087 A CN104467087 A CN 104467087A
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Abstract
The invention discloses an intelligent solar charging system. The intelligent solar charging system comprises a solar assembly, an overvoltage protection circuit, an automatic tracking control circuit, a voltage regulating circuit, a charging management module and an over-discharge protection circuit. On one hand, the overall circuit system is redesigned and has complete functions and high conversion rate of solar energy; on the other hand, the overvoltage protection circuit and the over-discharge protection circuit are integrated by using a chip U1, so that the circuit structure is simplified greatly, and system stability is improved. Accordingly, the intelligent solar charging system has great application and popularization value.
Description
Technical field
The present invention relates to a kind of charging circuit, specifically a kind of intelligent solar charging system.
Background technology
Along with the development of wireless technology, radio network technique is more and more to be put in practical application, and the general distribution of wireless sensor network is comparatively wide, and erection supply line, investment is large, and maintenance cost is high.As taked dry cell mode to power, then the Power supply of each node is limited in one's ability, to each node replacement battery not only time-consuming, effort, increase cost, and affects operating efficiency.Lasting power supply can be stablized, become a key factor of restriction oil field wireless indicator and wireless network development thereof, the development of heliotechnics makes supply power mode create rapid development, has become the developing direction of oil field wireless indicator and relay network node supply power mode thereof.
Summary of the invention
The object of the present invention is to provide a kind of safe and reliable and intelligent solar charging system that light energy conversion efficiency is high, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of intelligent solar charging system, comprise solar components, overvoltage crowbar, automatic tracking control circuit, voltage regulator circuit, charge management module and over electrical equipment, described voltage regulator circuit connects charge management module respectively, charged state indicating circuit and lithium battery, lithium battery also connects over-discharge protection circuit and automatic tracking control circuit respectively, over-discharge protection circuit also connects charging inlet and warning circuit respectively, described solar components connects overvoltage crowbar and automatic tracking control circuit respectively, overvoltage crowbar also connects warning circuit respectively, outside urgent charging inlet and charge management module.
Described overvoltage crowbar and over-discharge protection circuit comprise chip U1, resistance R1 and triode Q1, resistance R1 one end connects input voltage Vi respectively, resistance R6, resistance R7, resistance R8, diode D2 negative pole and chip U1 pin 8, resistance R1 other end contact resistance R4 respectively, electric capacity C1 and chip U1 pin 5, electric capacity C1 other end contact resistance R4 respectively, resistance R5, electric capacity C2, resistance R3, diode D1 positive pole, chip U1 pin 4, electric capacity C3, triode Q4 emitter-base bandgap grading, triode Q3 emitter and triode Q2 emitter ground connection, the resistance R5 other end is contact resistance R2 respectively, the electric capacity C2 other end and chip U1 pin 3, the resistance R2 other end connect diode D1 negative pole respectively, the resistance R3 other end, chip U1 pin 2 and chip U1 pin 6, chip U1 pin 1 contact resistance R12, the resistance R12 other end connects the electric capacity C3 other end and resistance R13 respectively, resistance R13 other end connecting triode Q4 base stage, triode Q4 collector electrode respectively contact resistance R10 and resistance R11, the resistance R10 other end connects diode D4 negative pole, diode D4 positive pole connecting triode Q3 collector electrode, the triode Q3 base stage contact resistance R11 other end, described chip U1 pin 7 is the contact resistance R6 other end respectively, resistance R14 and ground capacity C4, resistance R14 other end connecting triode Q1 base stage, triode Q1 grounded emitter, triode Q1 collector electrode is the contact resistance R7 other end and resistance R9 respectively, resistance R9 other end connecting triode Q2 base stage, triode Q1 collector electrode connects diode D2 positive pole and light-emitting diode D3 negative pole respectively, the light-emitting diode D3 positive pole contact resistance R8 other end.
As the further scheme of the present invention: described chip U1 model is LM2903.
As the further scheme of the present invention: described light-emitting diode D3 is green light LED, described light-emitting diode D4 is red-light LED.
As the present invention's further scheme: described solar components is 16 photovoltaic cell series connection, and composition voltage is the solar components of 1220V.
Compared with prior art; the invention has the beneficial effects as follows: one aspect of the present invention is to circuit integrity system redesign; multiple functional; conversion of solar energy is high; on the other hand by using chip U1 overvoltage crowbar and over-discharge protection circuit to be integrated in one; greatly simplify circuit structure, and improve the stability of a system, have popularizing value.
Accompanying drawing explanation
Fig. 1 is a kind of structured flowchart of intelligent solar charging system;
Fig. 2 is the circuit diagram of overvoltage crowbar and over-discharge protection circuit in a kind of intelligent solar charging system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 ~ 2, in the embodiment of the present invention, a kind of intelligent solar charging system, comprise solar components, overvoltage crowbar, automatic tracking control circuit, voltage regulator circuit, charge management module and over electrical equipment, voltage regulator circuit connects charge management module respectively, charged state indicating circuit and lithium battery, lithium battery also connects over-discharge protection circuit and automatic tracking control circuit respectively, over-discharge protection circuit also connects charging inlet and warning circuit respectively, solar components connects overvoltage crowbar and automatic tracking control circuit respectively, overvoltage crowbar also connects warning circuit respectively, outside urgent charging inlet and charge management module.
Overvoltage crowbar and over-discharge protection circuit comprise chip U1, resistance R1 and triode Q1, resistance R1 one end connects input voltage Vi respectively, resistance R6, resistance R7, resistance R8, diode D2 negative pole and chip U1 pin 8, resistance R1 other end contact resistance R4 respectively, electric capacity C1 and chip U1 pin 5, electric capacity C1 other end contact resistance R4 respectively, resistance R5, electric capacity C2, resistance R3, diode D1 positive pole, chip U1 pin 4, electric capacity C3, triode Q4 emitter-base bandgap grading, triode Q3 emitter and triode Q2 emitter ground connection, the resistance R5 other end is contact resistance R2 respectively, the electric capacity C2 other end and chip U1 pin 3, the resistance R2 other end connect diode D1 negative pole respectively, the resistance R3 other end, chip U1 pin 2 and chip U1 pin 6, chip U1 pin 1 contact resistance R12, the resistance R12 other end connects the electric capacity C3 other end and resistance R13 respectively, resistance R13 other end connecting triode Q4 base stage, triode Q4 collector electrode respectively contact resistance R10 and resistance R11, the resistance R10 other end connects diode D4 negative pole, diode D4 positive pole connecting triode Q3 collector electrode, the triode Q3 base stage contact resistance R11 other end, chip U1 pin 7 is the contact resistance R6 other end respectively, resistance R14 and ground capacity C4, resistance R14 other end connecting triode Q1 base stage, triode Q1 grounded emitter, triode Q1 collector electrode is the contact resistance R7 other end and resistance R9 respectively, resistance R9 other end connecting triode Q2 base stage, triode Q1 collector electrode connects diode D2 positive pole and light-emitting diode D3 negative pole respectively, the light-emitting diode D3 positive pole contact resistance R8 other end.
Chip U1 model is LM2903.
Light-emitting diode D3 is green light LED, and light-emitting diode D4 is red-light LED.
Solar components is 16 photovoltaic cell series connection, and composition voltage is the solar components of 1220V.
Operation principle of the present invention is: existing photovoltaic cell, and the output voltage of monomer is all very low (at below 1V), in the present invention, is in series by multiple photovoltaic cell, composition solar components.Ensure that by the supply network of duty ratio automatically can be regulated output voltage is basicly stable when intensity of illumination change and load variations, for charging management chip provides stable voltage input.By monitoring the secondary voltage of supply network, protection charging management chip does not damage because of overtension.By the voltage monitoring to battery two ends, ensure that lithium battery can not damage because of overdischarge.Because the power reguirements of wireless indicator and relay network node thereof is 313V, adopt the CMOS type voltage regulator of low noise, high speed.Under automatic tracking controller effect, remain the round-the-clock tracking sun.In order to prevent the solar powered deficiency caused because of overcast and rainy continuously, design emergent charging circuit, between charge period, wireless indicator and node thereof normally run.
For excess voltage protection; the design of this partial circuit mainly have employed chip U1 and peripheral circuit expansion forms; chip U1 comprises two-way comparator, and wherein the overvoltage protection controller comparator of 5,6,7 pin, is connected to 5 pin of chip U1 after resistance R1, R4 dividing potential drop.When voltage Vi is greater than 6V and partial pressure value is greater than 214V, the 7 pin output levels of chip U1 transfer height to by low, triode Q1 saturation conduction, and triode Q2 ends, and light emitting transistor D3 extinguishes.
For over-discharge protection circuit when lithium battery voltage is lower than 315V, when namely battery electric quantity discharges more than 92%, think and can not continue electric discharge, otherwise lithium battery interior medium can change, and causes charge characteristic to degenerate, capacity reduction etc.Have employed a road comparator of 1 of chip U1,2,3 pin compositions, form overdischarge with peripheral components and press comparator, after resistance R2, R5 dividing potential drop, be connected to 3 pin of chip U1.When magnitude of voltage is less than 315V, partial pressure value is less than 214V, and 1 pin of chip U1 changes low level into by high level, and triode Q4 is cut-off state by ON transitions, triode Q3 saturation conduction, excessively puts red led D4 bright.
Claims (4)
1. an intelligent solar charging system, comprise solar components, overvoltage crowbar, automatic tracking control circuit, voltage regulator circuit, charge management module and over electrical equipment, it is characterized in that, described voltage regulator circuit connects charge management module respectively, charged state indicating circuit and lithium battery, lithium battery also connects over-discharge protection circuit and automatic tracking control circuit respectively, over-discharge protection circuit also connects charging inlet and warning circuit respectively, described solar components connects overvoltage crowbar and automatic tracking control circuit respectively, overvoltage crowbar also connects warning circuit respectively, outside urgent charging inlet and charge management module,
Described overvoltage crowbar and over-discharge protection circuit comprise chip U1, resistance R1 and triode Q1, resistance R1 one end connects input voltage Vi respectively, resistance R6, resistance R7, resistance R8, diode D2 negative pole and chip U1 pin 8, resistance R1 other end contact resistance R4 respectively, electric capacity C1 and chip U1 pin 5, electric capacity C1 other end contact resistance R4 respectively, resistance R5, electric capacity C2, resistance R3, diode D1 positive pole, chip U1 pin 4, electric capacity C3, triode Q4 emitter-base bandgap grading, triode Q3 emitter and triode Q2 emitter ground connection, the resistance R5 other end is contact resistance R2 respectively, the electric capacity C2 other end and chip U1 pin 3, the resistance R2 other end connect diode D1 negative pole respectively, the resistance R3 other end, chip U1 pin 2 and chip U1 pin 6, chip U1 pin 1 contact resistance R12, the resistance R12 other end connects the electric capacity C3 other end and resistance R13 respectively, resistance R13 other end connecting triode Q4 base stage, triode Q4 collector electrode respectively contact resistance R10 and resistance R11, the resistance R10 other end connects diode D4 negative pole, diode D4 positive pole connecting triode Q3 collector electrode, the triode Q3 base stage contact resistance R11 other end, described chip U1 pin 7 is the contact resistance R6 other end respectively, resistance R14 and ground capacity C4, resistance R14 other end connecting triode Q1 base stage, triode Q1 grounded emitter, triode Q1 collector electrode is the contact resistance R7 other end and resistance R9 respectively, resistance R9 other end connecting triode Q2 base stage, triode Q1 collector electrode connects diode D2 positive pole and light-emitting diode D3 negative pole respectively, the light-emitting diode D3 positive pole contact resistance R8 other end.
2. intelligent solar charging system according to claim 1, is characterized in that, described chip U1 model is LM2903.
3. intelligent solar charging system according to claim 1, is characterized in that, described light-emitting diode D3 is green light LED, and described light-emitting diode D4 is red-light LED.
4. intelligent solar charging system according to claim 1, is characterized in that, described solar components is 16 photovoltaic cell series connection, and composition voltage is the solar components of 1220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701349.8A CN104467087A (en) | 2014-11-28 | 2014-11-28 | Intelligent solar charging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701349.8A CN104467087A (en) | 2014-11-28 | 2014-11-28 | Intelligent solar charging system |
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| CN104467087A true CN104467087A (en) | 2015-03-25 |
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| CN201410701349.8A Pending CN104467087A (en) | 2014-11-28 | 2014-11-28 | Intelligent solar charging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142287A (en) * | 2015-09-16 | 2015-12-09 | 湖州明日照明科技有限公司 | Power supply assembly applied to underground garage illumination system |
| CN105142289A (en) * | 2015-09-16 | 2015-12-09 | 湖州明日照明科技有限公司 | Power supply control unit applied to underground garage illumination system |
| CN107618658A (en) * | 2017-10-21 | 2018-01-23 | 河南寰球航空装备科技有限公司 | A kind of rotor wing unmanned aerial vehicle and its charging system |
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| CN201985788U (en) * | 2011-01-26 | 2011-09-21 | 桂林宏博电子信息科技有限公司 | Solar power generation controller |
| WO2012091077A1 (en) * | 2010-12-28 | 2012-07-05 | 三洋電機株式会社 | Battery degradation level detection method |
| CN204334003U (en) * | 2014-11-28 | 2015-05-13 | 刘尚爱 | A kind of intelligent solar charging system |
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2014
- 2014-11-28 CN CN201410701349.8A patent/CN104467087A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012091077A1 (en) * | 2010-12-28 | 2012-07-05 | 三洋電機株式会社 | Battery degradation level detection method |
| CN201985788U (en) * | 2011-01-26 | 2011-09-21 | 桂林宏博电子信息科技有限公司 | Solar power generation controller |
| CN204334003U (en) * | 2014-11-28 | 2015-05-13 | 刘尚爱 | A kind of intelligent solar charging system |
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| 冯显争: "《智能型太阳能充电电路设计》", 《东南大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142287A (en) * | 2015-09-16 | 2015-12-09 | 湖州明日照明科技有限公司 | Power supply assembly applied to underground garage illumination system |
| CN105142289A (en) * | 2015-09-16 | 2015-12-09 | 湖州明日照明科技有限公司 | Power supply control unit applied to underground garage illumination system |
| CN107618658A (en) * | 2017-10-21 | 2018-01-23 | 河南寰球航空装备科技有限公司 | A kind of rotor wing unmanned aerial vehicle and its charging system |
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Application publication date: 20150325 |