CN107105547A - A kind of eye-protecting desk lamp based on photovoltaic generation - Google Patents
A kind of eye-protecting desk lamp based on photovoltaic generation Download PDFInfo
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- CN107105547A CN107105547A CN201710408970.9A CN201710408970A CN107105547A CN 107105547 A CN107105547 A CN 107105547A CN 201710408970 A CN201710408970 A CN 201710408970A CN 107105547 A CN107105547 A CN 107105547A
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- China
- Prior art keywords
- resistance
- diode
- relay
- connection
- eye
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of eye-protecting desk lamp based on photovoltaic generation, including solar panels T, diode D3, unidirectional thyristor Q2 and relay J, one end connection diode D1 of solar panels T anode, diode D1 negative electrode connects the contact J 1 of diode D2 anode, resistance R1 and relay J, relay J contact J 1 other end connection battery E positive pole.Eye-protecting desk lamp of the invention based on photovoltaic generation uses solar panels to combine common line voltage as dual power supply system; add automatic switching module and intelligent dimming module in circuit simultaneously, thus there is environmental protection, it is vdiverse in function and protect eyesight.
Description
Technical field
The present invention relates to a kind of LED, specifically a kind of eye-protecting desk lamp based on photovoltaic generation.
Background technology
As the negative effect caused by Global Greenhouse Effect constantly shows, every country all makees energy-saving and emission-reduction in the world
By the major issue that must take into consideration in native economic development, LED lighting engineering is exactly arisen at the historic moment under this background
An emerging power-saving technology.With the raising of LED production technologies, production cost is constantly reduced, and white light LEDs replace traditional photograph
Mingguang City source is possibly realized.Current computer has become the important tool of Students ' Learning and amusement, and many students are when using desk lamp
The intensity of light is not noted, if environmental light intensity is dark will to cause larger infringement to eyesight, and many students are using electricity
It is easy to ignore this problem during brain, causes eyesight to reduce.
The content of the invention
It is an object of the invention to provide a kind of eye-protecting desk lamp based on photovoltaic generation, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme：
A kind of eye-protecting desk lamp based on photovoltaic generation, including solar panels T, diode D3, unidirectional thyristor Q2 and relay J,
One end connection diode D1 of solar panels T anode, diode D1 negative electrode connection diode D2 anode, resistance R1
With relay J contact J-1, relay J contact J-1 other end connection battery E positive pole, battery E negative pole connects
Connecting resistance R3, resistance R4, resistance R6, electric capacity C1, a potentiometer RP1 fixing end, unidirectional thyristor Q2 negative electrode and the sun
The energy plate T other end, resistance R1 other end connection diode D3 negative electrode, diode D3 anode connection relay J's is another
One end, diode D2 negative electrode connection relay J contact J-2 and switch S1, relay J contact J-2 other end connection
Power supply VCC, switch S1 other end connection resistance R2, resistance R7 and light fixture H, resistance the R2 other end connect the another of resistance R3
The emitter stage at end, resistance R5 and triode V2, triode V2 base stage connecting triode V3 emitter stage, the resistance R5 other end
With the resistance R6 other end, triode V2 colelctor electrode connecting triode V3 base stage and the resistance R4 other end, triode V3
Colelctor electrode connection electric capacity C1 the other end and unijunction transistor Q1 emitter stage, unijunction transistor Q1 the first base stage connection is single
To IGCT Q2 control pole, unijunction transistor Q1 the second base stage connects potentiometer RP1 sliding end, unidirectional thyristor Q2's
The anode connection light fixture H other end.
It is used as the preferred scheme of the present invention：The resistance R6 is photo resistance.
It is used as the preferred scheme of the present invention：The light fixture H is LED.
It is used as the preferred scheme of the present invention：The power supply VCC is the direct current that 220V civil powers are exported after step-down rectifier
Pressure.
Compared with prior art, the beneficial effects of the invention are as follows：Eye-protecting desk lamp of the present invention based on photovoltaic generation is using too
It is positive hardened to close common line voltage as dual power supply system, while adding automatic switching module in circuit
With intelligent dimming module, therefore there is environmental protection, it is vdiverse in function and protection eyesight.
Brief description of the drawings
Fig. 1 is the circuit diagram of the eye-protecting desk lamp based on photovoltaic generation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, a kind of eye-protecting desk lamp based on photovoltaic generation, including solar panels T, diode D3, unidirectional brilliant lock
Pipe Q2 and relay J, the solar panels T one end connection diode D1 anode, diode D1 negative electrode connection diode
The contact J-1 of D2 anode, resistance R1 and relay J, relay J contact the J-1 other end connection battery E positive pole,
Battery E negative pole connection resistance R3, resistance R4, resistance R6, electric capacity C1, potentiometer RP1 fixing end, a unidirectional thyristor
Q2 negative electrode and the solar panels T other end, resistance R1 other end connection diode D3 negative electrode, diode D3 anode connect
The contact relay J other end, diode D2 negative electrode connection relay J contact J-2 and switch S1, relay J contact J-2
The other end connection power supply VCC, switch S1 other end connection resistance R2, resistance R7 and light fixture H, resistance R2 other end connection
The emitter stage of the resistance R3 other end, resistance R5 and triode V2, triode V2 base stage connecting triode V3 emitter stage, electricity
Hinder the R5 other end and the resistance R6 other end, triode V2 colelctor electrode connecting triode V3 base stage and resistance R4's is another
End, triode V3 colelctor electrode connection electric capacity the C1 other end and unijunction transistor Q1 emitter stage, the of unijunction transistor Q1
One base stage connection unidirectional thyristor Q2 control pole, unijunction transistor Q1 the second base stage connection potentiometer RP1 sliding end is single
To the IGCT Q2 anode connection light fixture H other end.
Resistance R6 is photo resistance.Light fixture H is LED.Relay K is normally opened contact relay.The power supply VCC is
The DC voltage that 220V civil powers are exported after step-down rectifier.
The present invention operation principle be：In the case that daylight is sufficient, solar panels T completes opto-electronic conversion and by only
Inverse diode D1 transfers out electric energy, and its voltage is enough by resistance R2 so that diode D2 is turned on, therefore relay J is obtained
Electricity, its contact J-1 adhesives, J-2 is disconnected, and battery E is charged, if running into prolonged rainy weather, battery E electricity
When pressure is not enough, its output voltage is not enough to breakdown diode D3, therefore relay J disconnects, its contact J-2 adhesives, now, by electricity
Source VCC powers to circuit, realizes the function of dual power supply, no matter under which kind of power supply mode, in use, closure switch S1, electricity
Triode V2, V3 and photo resistance R6 in road play equivalent resistance, when light fixture H light changes because of mains voltage variations
When, photo resistance R6 change in resistance, control unijunction transistor Q1 voltage-phase also changes, so that triggering IGCT
Q2 impulse phase movement, increase or reduction IGCT Q2 ON times, make the voltage approximate constant on light fixture H, so that
LED lamp H brightness also approximate constant is realized, makes light stabilisation.Reach the purpose of eyeshield light modulation.
Claims (4)
1. a kind of eye-protecting desk lamp based on photovoltaic generation, including solar panels T, diode D3, unidirectional thyristor Q2 and relay
J, the solar panels T one end connection diode D1 anode, diode D1 negative electrode connection diode D2 anode, resistance
R1 and relay J contact J-1, relay J contact the J-1 other end connection battery E positive pole, battery E negative pole
Connect resistance R3, resistance R4, resistance R6, electric capacity C1, a potentiometer RP1 fixing end, unidirectional thyristor Q2 negative electrode and too
The positive energy plate T other end, resistance R1 other end connection diode D3 negative electrode, diode D3 anode connection relay J's
The other end, diode D2 negative electrode connection relay J contact J-2 and switch S1, relay J contact the J-2 other end connect
Power supply VCC is met, switch S1 other end connection resistance R2, resistance R7 and light fixture H, resistance the R2 other end connect the another of resistance R3
The emitter stage of one end, resistance R5 and triode V2, triode V2 base stage connecting triode V3 emitter stage, resistance R5 it is another
End and the resistance R6 other end, triode V2 colelctor electrode connecting triode V3 base stage and the resistance R4 other end, triode
The V3 colelctor electrode connection electric capacity C1 other end and unijunction transistor Q1 emitter stage, unijunction transistor Q1 the first base stage connection
Unidirectional thyristor Q2 control pole, unijunction transistor Q1 the second base stage connection potentiometer RP1 sliding end, unidirectional thyristor Q2
Anode connection light fixture H the other end.
2. a kind of eye-protecting desk lamp based on photovoltaic generation according to claim 2, it is characterised in that the resistance R6 is light
Quick resistance.
3. a kind of eye-protecting desk lamp based on photovoltaic generation according to claim 2, it is characterised in that the light fixture H is LED
Lamp.
4. a kind of eye-protecting desk lamp based on photovoltaic generation according to claim 2, it is characterised in that the power supply VCC is
The DC voltage that 220V civil powers are exported after step-down rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408970.9A CN107105547A (en) | 2017-06-02 | 2017-06-02 | A kind of eye-protecting desk lamp based on photovoltaic generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408970.9A CN107105547A (en) | 2017-06-02 | 2017-06-02 | A kind of eye-protecting desk lamp based on photovoltaic generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107105547A true CN107105547A (en) | 2017-08-29 |
Family
ID=59659397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710408970.9A Withdrawn CN107105547A (en) | 2017-06-02 | 2017-06-02 | A kind of eye-protecting desk lamp based on photovoltaic generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107105547A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579835A (en) * | 2018-05-02 | 2018-09-28 | 苏州洋紫瑞信息科技有限公司 | A kind of energy-efficient water bath device |
| CN108709142A (en) * | 2018-04-09 | 2018-10-26 | 杨东雨 | A kind of portable multifunctional lamp dimmer |
-
2017
- 2017-06-02 CN CN201710408970.9A patent/CN107105547A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709142A (en) * | 2018-04-09 | 2018-10-26 | 杨东雨 | A kind of portable multifunctional lamp dimmer |
| CN108579835A (en) * | 2018-05-02 | 2018-09-28 | 苏州洋紫瑞信息科技有限公司 | A kind of energy-efficient water bath device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170829 |