CN202475887U - LED (light-emitting diode) lamp control circuit powered by solar energy - Google Patents
LED (light-emitting diode) lamp control circuit powered by solar energy Download PDFInfo
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- CN202475887U CN202475887U CN2012200857872U CN201220085787U CN202475887U CN 202475887 U CN202475887 U CN 202475887U CN 2012200857872 U CN2012200857872 U CN 2012200857872U CN 201220085787 U CN201220085787 U CN 201220085787U CN 202475887 U CN202475887 U CN 202475887U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses an LED (light-emitting diode) lamp control circuit powered by solar energy. The LED lamp control circuit comprises a charging circuit, a photovoltaic plate detection circuit, a battery detection circuit and an LED light source control circuit, wherein the LED light source control circuit is connected with the photovoltaic plate detection circuit, the battery detection circuit and the solar charging circuit in parallel. By utilizing the LED lamp control circuit, the problem that the existing controller can hardly perform time-division and power-division control is solved, the output power of an LED lamp is intelligently controlled by detecting the electric quantity of a battery, thus the purpose of better controlling LED light sources is reached.
Description
Technical field
The utility model relates to a kind of output brightness of intelligent control LED light source and the circuit of time, especially a kind of solar powered LED lamp-controlling circuit.
Background technology
The LED lamp controller that present employing solar energy is on the market supplied power; It is to be battery charge through solar energy photovoltaic panel; Battery is the power supply of LED lamp, and the LED lamp controller is used for controlling the switching of LED lamp, but the burning-point that existing LED lamp controller can only be controlled the LED lamp according to the time of preset switching with extinguish; The switching time of its LED lamp presets; Can not adjust arbitrarily, and its charge volume of the battery that is connected with solar energy photovoltaic panel is unascertainable that it is not enough and then cause the not enough situation of LED lamp lighting hours that this just appears under the severe weather conditions battery charge easily; Also have present LED lamp controller can not regulate the brightness of LED lamp arbitrarily, make the LED light fixture can not be according to what of solar powered battery institute charge volume rationally to regulate the brightness of lamp according to.Simultaneously, because how present LED lamp controller controls the LED load switch through triode, the junction voltage of triode is higher than metal-oxide-semiconductor, greatly reduces the efficient of circuit.
The utility model content
The utility model purpose is to provide a kind of solar powered LED lamp-controlling circuit, and it can reasonably distribute according to illumination condition be connected the electric energy that battery dashes with solar energy photovoltaic panel, thereby according to the light application time of the connected LED lamp of the electric energy control of battery.
The purpose of the utility model realizes through following circuit; It comprises: a kind of solar powered LED lamp-controlling circuit; Comprise: the led light source control circuit is characterized in that: described led light source control circuit parallel photovoltaic plate testing circuit, battery detection circuit and solar charging circuit;
The led light source control circuit comprises: battery E, and battery connects led light source, the control switch of connecting between battery and led light source, the control end of control switch connects the output of light source control chip IC;
The photovoltaic panel testing circuit comprises: photovoltaic panel S; Photovoltaic panel is parallel with two circuit, connect the successively collector electrode of the 6th resistance R 6, the four resistance R 4 and the first triode Q1 of one of them circuit; Another circuit connects second resistance R 2 successively; The base stage of first triode, and first capacitor C 1 parallel with one another and the 3rd resistance R 3, the 4th resistance R 4 is connected an input of light source control chip with the inter-collector of the one or three utmost point Q1 pipe simultaneously;
Battery detection circuit comprises two parts: a part is the 6th resistance R 6 and the 3rd voltage-stabiliser tube D3 of series connection, is connected the reference voltage input of light source control chip between the 6th resistance and the 3rd voltage-stabiliser tube; Another part is for being connected the comparative voltage input of light source control chip between the 8th resistance R 8 and the 9th resistance R 9, the eight resistance of series connection and the 9th resistance;
Solar charging circuit comprises: the first switching diode D1 connects between the photovoltaic panel parallelly connected with battery, battery and photovoltaic panel.
Described control switch is FET Q2.
Described led light source is more than two, and each led light source parallel connection.
The said first switching diode D1 also is parallel with first resistance R 1.
Said led light source control circuit is connected with electric indicating circuit, has electric indicating circuit to comprise: the 7th resistance R 7 of series connection and second is indicated diode D2, and the indicator light control output end of the output connection light source control chip of electric indicating circuit is arranged.
Said light source control chip is the tiny13 of Tiny series in the AVR single-chip microcomputer; The output of its light source control chip is the 3rd pin of chip; The input of light source control chip is the 2nd pin of chip; The reference voltage input of light source control chip is the 8th pin of chip, and the comparative voltage input of light source control chip is the 7th pin.
Said light source control chip is the tiny13 of Tiny series in the AVR single-chip microcomputer; The output of its light source control chip is the 3rd pin of chip; The input of light source control chip is the 2nd pin of chip; The reference voltage input of light source control chip is the 8th pin of chip, and the comparative voltage input of light source control chip is the 7th pin of chip, and the indicator light control output end of light source control chip is the 6th pin of chip.
After the utility model adopted foregoing circuit, the photovoltaic panel voltage signal that the utilization of light source control chip obtains (judging daytime or night), and the magnitude of voltage of combination battery according to the charge volume of magnitude of voltage judgement battery, were supplied power to led light source by preset discharge mode.Simultaneously, this circuit application FET be used for load control valve and general triode relatively, greatly reduce the consumption of electric weight at triode, improved the efficient of led light source control circuit.
Description of drawings
Fig. 1 is the circuit structure diagram of the utility model.
Numbering explanation among the figure: S is a solar energy photovoltaic panel, and E is a battery, and IC is the light source control chip; D1 is first diode, and D2 is the second indication diode, and D3 is the 3rd voltage-stabiliser tube; D4-D6 is respectively first to the 3rd led light source, and C1 is first electric capacity, and R1-R9 is respectively first to the 9th resistance.
Embodiment
Implementation method below in conjunction with 1 pair of the utility model of accompanying drawing elaborates.
The circuit of the utility model comprises: led light source control circuit, described led light source control circuit parallel photovoltaic plate testing circuit, battery detection circuit and solar charging circuit;
The led light source control circuit comprises: battery E, battery connect led light source, and series connection FET Q2 between battery and led light source group connects the output of light source control chip as the FET Q2 control end of control switch.Aforesaid light source control chip is the tiny13 of Tiny series in the AVR single-chip microcomputer; The output of its light source control chip is the 3rd pin of chip; The input of light source control chip is the 2nd pin of chip; The reference voltage input of light source control chip is the 8th pin of chip, and the comparative voltage input of light source control chip is the 7th pin of chip, and the indicator light control output end of light source control chip is the 6th pin of chip.Led light source in the present embodiment is 3, is respectively the first led light source D4, the second led light source D5 and the 3rd led light source D6, and parallel connection between each led light source.
The photovoltaic panel testing circuit comprises: photovoltaic panel S; Photovoltaic panel is parallel with two circuit; Connect the successively collector electrode of the 6th resistance R 6, the four resistance R 4 and the first triode Q1 of one of them circuit, another circuit connects second resistance R 2 successively; The base stage of the first triode Q1, and first capacitor C 1 parallel with one another and the 3rd resistance R 3.The input that the inter-collector of while the 4th resistance R 4 and the first triode Q1 is connected the light source control chip is the 2nd pin of light source control chip.
Battery detection circuit comprises two parts: a part is the 6th resistance R 6 and the 3rd voltage-stabiliser tube D3 of series connection, is connected the reference voltage input of light source control chip between the 6th resistance R 6 and the 3rd voltage-stabiliser tube D3; Another part is that the light source control chip gets the 8th pin for the comparative voltage input that is connected the light source control chip between the 8th resistance R 8 and the 9th resistance R 9, the eight resistance of series connection and the 9th resistance.The 6th resistance R 6 and the 3rd voltage-stabiliser tube D3 offer stable voltage of light source control chip IC the 8th pin; Give accurate detection reference of light source control chip; When the light source control chip thinks that light fixture is in the dark environment; Light source control chip the 7th pin detects cell voltage through the dividing potential drop of the 8th resistance R 8 and the 9th resistance R 9, thereby obtains the electric weight of battery.
Solar charging circuit comprises: the photovoltaic panel S parallelly connected with battery; The first switching diode D1 that connects between battery and photovoltaic panel S is anodal; The first switching diode D1 negative pole connects the positive pole of battery E; When solar energy photovoltaic panel voltage be higher than diode D1 forward conduction voltage add power supply E voltage and the time, photovoltaic panel charges the battery.The first switching diode D1 also is parallel with first resistance R 1; First resistance R 1 extinguishes when not meeting photovoltaic panel S, for high level of base stage of the first triode Q1 power source voltage by lamp, guarantee that led light source can not lighted when photovoltaic panel and led light source separately transport.
The led light source control circuit is connected with electric indicating circuit, has electric indicating circuit to comprise: the 7th resistance R 7 of series connection and the second indication diode D2, it is the 6th pin that the indicator light control output end of the output connection light source control chip of electric indicating circuit is arranged.When battery has electricity,, and can whether be in malfunction according to the flicker frequency range estimation light source control chip IC of the second indication diode D2 by the light source control chip IC control second indication diode D2 flicker.
When the utility model at work the time, when the 2nd pin of light source control chip is low level (light fixture is under bright environment), light source control chip the 3rd pin is a low level, and FET Q2 ends, and the load led light source is in and extinguishes state.When light source control chip IC the 2nd pin is high level (light fixture is under the environment of dark); Its 7th pin detects cell voltage; Pwm signal according to the output of battery voltage value adjustment light source control chip the 3rd pin; Thereby the conducting through control FET Q2 ends, and has just controlled the power of each led light source respectively, and then has reached the purpose of intelligent control LED lamp.
The base stage that is higher than 0.7V (that is: having under the environmental condition of light) the first triode Q1 when photovoltaic panel S voltage is to the emitter forward conduction; The first triode Q1 collector electrode and connected light source control chip the 2nd pin are low level; The light source control chip IC thinks that in the light fixture environment by day, the first led light source D4 to the, three led light source D6 are in and extinguish state.When being lower than 0.7V (that is: under the environmental condition of dark) the first triode Q1 base stage, photovoltaic panel S voltage do not have voltage; The first triode Q1 is in cut-off state; Light source control chip IC the 2nd pin is a high level; The light source control chip IC is thought light fixture in the environment of dark, and the load first led light source D4 to the three led light source D6 are in the burning-point state.
Claims (7)
1. solar powered LED lamp-controlling circuit, comprising: the led light source control circuit is characterized in that: described led light source control circuit parallel photovoltaic plate testing circuit, battery detection circuit and solar charging circuit;
The led light source control circuit comprises: battery E, and battery connects led light source, the control switch of connecting between battery and led light source, the control end of control switch connects the output of light source control chip IC;
The photovoltaic panel testing circuit comprises: photovoltaic panel S; Photovoltaic panel is parallel with two circuit, connect the successively collector electrode of the 6th resistance R 6, the four resistance R 4 and the first triode Q1 of one of them circuit; Another circuit connects second resistance R 2 successively; The base stage of first triode, and first capacitor C 1 parallel with one another and the 3rd resistance R 3, the 4th resistance R 4 is connected an input of light source control chip with the inter-collector of the one or three utmost point Q1 pipe simultaneously;
Battery detection circuit comprises two parts: a part is the 6th resistance R 6 and the 3rd voltage-stabiliser tube D3 of series connection, is connected the reference voltage input of light source control chip between the 6th resistance and the 3rd voltage-stabiliser tube; Another part is for being connected the comparative voltage input of light source control chip between the 8th resistance R 8 and the 9th resistance R 9, the eight resistance of series connection and the 9th resistance;
Solar charging circuit comprises: the first switching diode D1 connects between the photovoltaic panel parallelly connected with battery, battery and photovoltaic panel.
2. a kind of solar powered LED lamp-controlling circuit according to claim 1, it is characterized in that: described control switch is FET Q2.
3. a kind of solar powered LED lamp-controlling circuit according to claim 2, it is characterized in that: described led light source is more than two, and each led light source parallel connection.
4. a kind of solar powered LED lamp-controlling circuit according to claim 3 is characterized in that: the said first switching diode D1 also is parallel with first resistance R 1.
5. according to claim 3 or 4 described a kind of solar powered LED lamp-controlling circuits; It is characterized in that: said led light source control circuit is connected with electric indicating circuit; Have electric indicating circuit to comprise: the 7th resistance R 7 of series connection and second is indicated diode D2, and the indicator light control output end of the output connection light source control chip of electric indicating circuit is arranged.
6. according to claim 3 or 4 described a kind of solar powered LED lamp-controlling circuits; It is characterized in that: said light source control chip is the tiny13 of Tiny series in the AVR single-chip microcomputer; The output of its light source control chip is the 3rd pin of chip; The input of light source control chip is the 2nd pin of chip, and the reference voltage input of light source control chip is the 8th pin of chip, and the comparative voltage input of light source control chip is the 7th pin.
7. a kind of solar powered LED lamp-controlling circuit according to claim 5; It is characterized in that: said light source control chip is the tiny13 of Tiny series in the AVR single-chip microcomputer; The output of its light source control chip is the 3rd pin of chip; The input of light source control chip is the 2nd pin of chip; The reference voltage input of light source control chip is the 8th pin of chip, and the comparative voltage input of light source control chip is the 7th pin of chip, and the indicator light control output end of light source control chip is the 6th pin of chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200857872U CN202475887U (en) | 2012-03-08 | 2012-03-08 | LED (light-emitting diode) lamp control circuit powered by solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200857872U CN202475887U (en) | 2012-03-08 | 2012-03-08 | LED (light-emitting diode) lamp control circuit powered by solar energy |
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| Publication Number | Publication Date |
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| CN202475887U true CN202475887U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200857872U Expired - Fee Related CN202475887U (en) | 2012-03-08 | 2012-03-08 | LED (light-emitting diode) lamp control circuit powered by solar energy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052220A (en) * | 2012-12-14 | 2013-04-17 | 浙江明烁电子科技有限公司 | Lamp control circuit and induction lamp |
| CN103117584A (en) * | 2013-03-07 | 2013-05-22 | 浙江明烁电子科技有限公司 | Portable solar mobile power supply |
| CN115328217A (en) * | 2022-09-15 | 2022-11-11 | 西安热工研究院有限公司 | Sun tracking method based on ENVA astronomical algorithm |
-
2012
- 2012-03-08 CN CN2012200857872U patent/CN202475887U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052220A (en) * | 2012-12-14 | 2013-04-17 | 浙江明烁电子科技有限公司 | Lamp control circuit and induction lamp |
| CN103117584A (en) * | 2013-03-07 | 2013-05-22 | 浙江明烁电子科技有限公司 | Portable solar mobile power supply |
| CN115328217A (en) * | 2022-09-15 | 2022-11-11 | 西安热工研究院有限公司 | Sun tracking method based on ENVA astronomical algorithm |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20150308 |
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| EXPY | Termination of patent right or utility model |