CN203761318U - High-efficient solar charging control circuit - Google Patents
High-efficient solar charging control circuit Download PDFInfo
- Publication number
- CN203761318U CN203761318U CN201420043237.3U CN201420043237U CN203761318U CN 203761318 U CN203761318 U CN 203761318U CN 201420043237 U CN201420043237 U CN 201420043237U CN 203761318 U CN203761318 U CN 203761318U
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- CN
- China
- Prior art keywords
- circuit unit
- control circuit
- synchronous rectification
- charging control
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
-
- 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 utility model relates to a high-efficient solar charging control circuit. The high-efficient solar charging control circuit comprises a synchronous rectification and voltage reduction circuit unit, a sampling circuit unit, a single-chip microcomputer control circuit unit and a power source circuit unit; the input end of the synchronous rectification and voltage reduction circuit unit is connected with a solar battery interface; the output end of the synchronous rectification and voltage reduction circuit unit is connected with an energy storage device interface; the sampling circuit unit is composed of a solar cell voltage and energy storage device voltage acquisition circuit; the single-chip microcomputer control circuit can process voltage signals and key instructions of the acquisition circuit unit, so that control on the synchronous rectification and voltage reduction circuit unit can be realized; and the power source circuit unit provides power for the single-chip microcomputer control circuit. According to the high-efficient solar charging control circuit of the utility model, synchronous rectification and single-chip microcomputer digital control techniques realized by a chip are adopted. Compared with a conventional control circuit, the high-efficient solar charging control circuit can improve charging efficiency and assist in decreasing system cost, and can be excellently applied to small and medium-power solar power generation systems.
Description
Technical field
The utility model relates to a kind of control circuit, refers in particular to a kind of charge efficiency that improves, and 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.
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 products, 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 needing, 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 a kind of charge efficiency that improves, and 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.
Utility model content
The utility model object is that a kind of charge efficiency that improves is provided in order to overcome the deficiencies in the prior art, 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.
For achieving the above object, the technical solution adopted in the utility model 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 comprised 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 comprised of MP2307 chip.
Preferably, the control circuit of described single chip machine controlling circuit unit for being formed by single-chip microcomputer PIC10F220.
Preferably, the control power-supplying circuit of unit, described power circuit unit for being formed by LM7805.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Solar energy highly effective charging control circuit described in the utility model adopts synchronous rectification, the single-chip microcomputer digital control technology being comprised 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 solutions of the utility model are described further:
Fig. 1 is the application schematic diagram of solar energy highly effective charging control circuit described in the utility model;
Fig. 2 is the circuit diagram of the synchronous rectification reduction voltage circuit unit of solar energy highly effective charging control circuit described in the utility model;
Fig. 3 is the sample circuit unit of solar energy highly effective charging control circuit described in the utility model and the circuit diagram of single chip machine controlling circuit unit;
Fig. 4 is the power circuit element circuit figure of solar energy highly effective charging control circuit described in the utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing 1-4 is solar energy highly effective charging control circuit described in the utility model, 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 comprised 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 comprised of MP2307 chip.The control circuit of described single chip machine controlling circuit unit for being formed by single-chip microcomputer PIC10F220.The control power-supplying circuit of unit, described power circuit unit for being formed by 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 form, 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, to energy storage device, charge.
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 forms 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, by single chip machine controlling circuit unit 3, is processed.Single chip machine controlling circuit unit 3, comprises the switch key input circuit being comprised of R13 and S1, and the work of the synchronous rectification reduction voltage circuit unit 1 being comprised 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 described in the utility model:
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 described in the utility model adopts synchronous rectification, the single-chip microcomputer digital control technology being comprised 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.
Below be only concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
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 comprised 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 comprised of MP2307 chip.
4. solar energy highly effective charging control circuit according to claim 3, is characterized in that: the control circuit of described single chip machine controlling circuit unit for being comprised of single-chip microcomputer PIC10F220.
5. solar energy highly effective charging control circuit according to claim 4, is characterized in that: the control power-supplying circuit of unit, described power circuit unit for being comprised of LM7805.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043237.3U CN203761318U (en) | 2014-01-23 | 2014-01-23 | High-efficient solar charging control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043237.3U CN203761318U (en) | 2014-01-23 | 2014-01-23 | High-efficient solar charging control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761318U true CN203761318U (en) | 2014-08-06 |
Family
ID=51256549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043237.3U Expired - Fee Related CN203761318U (en) | 2014-01-23 | 2014-01-23 | High-efficient solar charging control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780196A (en) * | 2014-01-23 | 2014-05-07 | 苏州市职业大学 | Solar efficient charge control circuit |
-
2014
- 2014-01-23 CN CN201420043237.3U patent/CN203761318U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780196A (en) * | 2014-01-23 | 2014-05-07 | 苏州市职业大学 | Solar efficient charge control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20150123 |
|
| EXPY | Termination of patent right or utility model |