CN103780196A - Solar efficient charge control circuit - Google Patents
Solar efficient charge control circuit Download PDFInfo
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- CN103780196A CN103780196A CN201410031897.4A CN201410031897A CN103780196A CN 103780196 A CN103780196 A CN 103780196A CN 201410031897 A CN201410031897 A CN 201410031897A CN 103780196 A CN103780196 A CN 103780196A
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- circuit unit
- synchronous rectification
- control circuit
- solar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a solar efficient charge control circuit which comprises a synchronous rectification voltage reduction circuit unit, a sampling circuit unit, a single chip microcomputer control circuit unit and a power circuit unit. The input end of the synchronous rectification voltage circuit unit is connected with an interface of a solar battery, the output end of the synchronous rectification voltage circuit unit is connected with an interface of an energy storage device, the sampling circuit is composed of a solar battery voltage and energy storage device voltage collecting circuit, the single chip microcomputer control circuit is used for processing a voltage signal and a key order of the collecting circuit unit and achieving the control function of the synchronous rectification voltage reduction circuit unit, and the power circuit unit supplies electricity to the single chip microcomputer control circuit unit. According to the solar efficient charge control circuit, the synchronous rectification and single chip microcomputer digital control technology achieved by a chip is adopted, and compared with a conventional control circuit, the charging efficiency can be improved, cost of the system is reduced, and the solar efficiency charge control circuit is well suitable for application of medium and small solar generating systems.
Description
Technical field
The present invention relates to a kind of control circuit, refer in particular to one and can improve charge efficiency, reduce the cost of system, can be applicable to well the solar energy highly effective charging control circuit of the application of middle low power solar power system.
Background technology
Along with improving constantly of living standards of the people and developing rapidly of science and technology, the breach of the energy increases, and energy problem puts in face of people as a large factor of puzzlement mankind long-term stability development.Be accompanied by the reinforcement of day by day serious and people's environmental consciousness of world energy sources crisis, the utilization of new forms of energy enters people's life fast, and has obtained extensive approval as the solar energy source of green novel energy source.On market, also occurred various too can power supply product, as solar street light, solar charger, solar emergency power supply lamp, for most Application of Solar Energy technology and product, in order better to utilize solar energy, after solar energy need to being converted to electric energy, store in the energy storage devices such as storage battery, recycling while needs, therefore charging control circuit is one of important critical component in solar energy utilization system, there are in the market a variety of charging control circuits, these circuit are most adopts simple switch control device to realize, charge efficiency is not high, this is for the solar energy system of middle low power, will cause solar energy utilization ratio low, the shortcomings such as equipment cost increase.For this reason, we have researched and developed one can improve charge efficiency, reduces the cost of system, can be applicable to well the solar energy highly effective charging control circuit of the application of middle low power solar power system.
Summary of the invention
The present invention seeks to provide in order to overcome the deficiencies in the prior art one can improve charge efficiency, reduce the cost of system, can be applicable to well the solar energy highly effective charging control circuit of the application of middle low power solar power system.
For achieving the above object, the technical solution used in the present invention is: solar energy highly effective charging control circuit, comprises synchronous rectification reduction voltage circuit unit, sample circuit unit, single chip machine controlling circuit unit and power circuit unit; The input of described synchronous rectification reduction voltage circuit unit is connected with solar cell interface, and output is connected with energy storage device interface; Described sample circuit unit is made up of solar array voltage and energy storage device voltage collection circuit; Described single chip machine controlling circuit, voltage signal and the key command of processing Acquisition Circuit unit, can realize the control function to synchronous rectification reduction voltage circuit unit; Described power circuit unit is the power supply of single chip machine controlling circuit unit.
Preferably, between solar cell interface and the input of synchronous rectification reduction voltage circuit unit and between the output of synchronous rectification reduction voltage circuit unit and energy storage device interface, be equipped with the anti-anti-device that connects.
Preferably, described synchronous rectification reduction voltage circuit unit is made up of MP2307 chip.
Preferably, described single chip machine controlling circuit unit is the control circuit being made up of single-chip microcomputer PIC10F220.
Preferably, unit, described power circuit unit is the control power-supplying circuit being made up of LM7805.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Solar energy highly effective charging control circuit of the present invention adopts the synchronous rectification, the single-chip microcomputer digital control technology that are made up of chip, more conventional control circuit, can improve charge efficiency, reduce the cost of system, can be applicable to well the application of middle low power solar power system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the application schematic diagram of solar energy highly effective charging control circuit of the present invention;
Accompanying drawing 3 is the sample circuit unit of solar energy highly effective charging control circuit of the present invention and the circuit diagram of single chip machine controlling circuit unit;
Accompanying drawing 4 is the power circuit element circuit figure of solar energy highly effective charging control circuit of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1-4 is solar energy highly effective charging control circuit of the present invention, comprises synchronous rectification reduction voltage circuit unit 1, sample circuit unit 2, single chip machine controlling circuit unit 3 and power circuit unit 4; The input of described synchronous rectification reduction voltage circuit unit 1 is connected with solar cell interface 5, and output is connected with energy storage device interface 6; Described sample circuit unit 2 is made up of solar array voltage and energy storage device voltage collection circuit; Described single chip machine controlling circuit 3, voltage signal and the key command of processing Acquisition Circuit unit, can realize the control function to synchronous rectification reduction voltage circuit unit 1; Described power circuit unit 4 is the power supply of single chip machine controlling circuit unit.In this example example, between solar cell interface and the input of synchronous rectification reduction voltage circuit unit and between the output of synchronous rectification reduction voltage circuit unit and energy storage device interface, be equipped with the anti-anti-device that connects.Described synchronous rectification reduction voltage circuit unit is made up of MP2307 chip.Described single chip machine controlling circuit unit is the control circuit being made up of single-chip microcomputer PIC10F220.Unit, described power circuit unit is the control power-supplying circuit being made up of LM7805.
As shown in Figure 2, synchronous rectification step-down U1 chip MP2307, anti-reverse diode D1 D2 and peripheral components C6-C10, R7 R10 R12 composition, circuit input end is connected with solar cell interface 5 through anti-reverse diode D1, circuit output end is connected with energy storage device interface 6 through anti-reverse diode D2, and circuit can be realized and will after the input voltage decompression transformation of solar cell, charge to energy storage device.
As shown in Figure 3, sample circuit unit 2 by R5 the solar array voltage that forms of R15 bleeder circuit and R6 adopt circuit, by R8 the energy storage device voltage employing circuit that form of R16 bleeder circuit and R9, the AD that is sent to respectively the single-chip microcomputer PIC10F220 of single chip machine controlling circuit unit 3 adopts input interface, is processed by single chip machine controlling circuit unit 3.Single chip machine controlling circuit unit 3, comprises the switch key input circuit being made up of R13 and S1, and the work of the synchronous rectification reduction voltage circuit unit 1 being made up of resistance R 11 enables control signal circuit.
Be the circuit diagram of power circuit unit 4 as shown in Figure 4, comprise stabilized voltage power supply chip LM7805 and filtering voltage regulation capacitor C 11 C12, power circuit unit 4 can provide to single chip machine controlling circuit unit 3 stable DC5V working power; The input of power circuit unit 4 is connected with energy storage device interface 6, and working power is taken from energy storage device.
The operation principle of solar energy highly effective charging control circuit of the present invention:
While pushing button S1, start working, and according to the sampling solar cell of sample circuit unit 2 and the voltage of energy storage device, the work of sending in real time synchronous rectification reduction voltage circuit unit 1 enables to control EN signal, control synchronous rectification reduction voltage circuit unit 1 and carry out on request work, to reach best charging control effect.
Solar energy highly effective charging control circuit of the present invention adopts the synchronous rectification, the single-chip microcomputer digital control technology that are made up of chip, more conventional control circuit, can improve charge efficiency, reduce the cost of system, can be applicable to well the application of middle low power solar power system.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. solar energy highly effective charging control circuit, is characterized in that: comprise synchronous rectification reduction voltage circuit unit, sample circuit unit, single chip machine controlling circuit unit and power circuit unit; The input of described synchronous rectification reduction voltage circuit unit is connected with solar cell interface, and output is connected with energy storage device interface; Described sample circuit unit is made up of solar array voltage and energy storage device voltage collection circuit; Described single chip machine controlling circuit, voltage signal and the key command of processing Acquisition Circuit unit, can realize the control function to synchronous rectification reduction voltage circuit unit; Described power circuit unit is the power supply of single chip machine controlling circuit unit.
2. solar energy highly effective charging control circuit according to claim 1, is characterized in that: between solar cell interface and the input of synchronous rectification reduction voltage circuit unit and between the output of synchronous rectification reduction voltage circuit unit and energy storage device interface, be equipped with the anti-anti-device that connects.
3. solar energy highly effective charging control circuit according to claim 1 and 2, is characterized in that: described synchronous rectification reduction voltage circuit unit is made up of MP2307 chip.
4. solar energy highly effective charging control circuit according to claim 3, is characterized in that: described single chip machine controlling circuit unit is the control circuit being made up of single-chip microcomputer PIC10F220.
5. solar energy highly effective charging control circuit according to claim 4, is characterized in that: unit, described power circuit unit is the control power-supplying circuit being made up of LM7805.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031897.4A CN103780196A (en) | 2014-01-23 | 2014-01-23 | Solar efficient charge control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031897.4A CN103780196A (en) | 2014-01-23 | 2014-01-23 | Solar efficient charge control circuit |
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| Publication Number | Publication Date |
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| CN103780196A true CN103780196A (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410031897.4A Pending CN103780196A (en) | 2014-01-23 | 2014-01-23 | Solar efficient charge control circuit |
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| CN (1) | CN103780196A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932876A (en) * | 2016-06-24 | 2016-09-07 | 梧州学院 | Multi-output low-voltage isolation power supply potential device |
| CN111817663A (en) * | 2020-07-15 | 2020-10-23 | 北京中能融创能源科技有限公司 | Photovoltaic module and photovoltaic energy storage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203056628U (en) * | 2012-12-27 | 2013-07-10 | 浙江海洋学院 | Solar electric vehicle charging control system |
| JP2013192321A (en) * | 2012-03-13 | 2013-09-26 | Omron Corp | Charging power control device, charging power control method, program, and photovoltaic power generation system |
| CN203377672U (en) * | 2013-08-19 | 2014-01-01 | 中兴能源有限公司 | Direct current controller for communication base station |
| CN203761318U (en) * | 2014-01-23 | 2014-08-06 | 苏州市职业大学 | High-efficient solar charging control circuit |
-
2014
- 2014-01-23 CN CN201410031897.4A patent/CN103780196A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013192321A (en) * | 2012-03-13 | 2013-09-26 | Omron Corp | Charging power control device, charging power control method, program, and photovoltaic power generation system |
| CN203056628U (en) * | 2012-12-27 | 2013-07-10 | 浙江海洋学院 | Solar electric vehicle charging control system |
| CN203377672U (en) * | 2013-08-19 | 2014-01-01 | 中兴能源有限公司 | Direct current controller for communication base station |
| CN203761318U (en) * | 2014-01-23 | 2014-08-06 | 苏州市职业大学 | High-efficient solar charging control circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932876A (en) * | 2016-06-24 | 2016-09-07 | 梧州学院 | Multi-output low-voltage isolation power supply potential device |
| CN111817663A (en) * | 2020-07-15 | 2020-10-23 | 北京中能融创能源科技有限公司 | Photovoltaic module and photovoltaic energy storage system |
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Application publication date: 20140507 |