CN106714375A - Control circuit for intelligent light-operated eye protection desk lamp - Google Patents
Control circuit for intelligent light-operated eye protection desk lamp Download PDFInfo
- Publication number
- CN106714375A CN106714375A CN201611236645.0A CN201611236645A CN106714375A CN 106714375 A CN106714375 A CN 106714375A CN 201611236645 A CN201611236645 A CN 201611236645A CN 106714375 A CN106714375 A CN 106714375A
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- China
- Prior art keywords
- triode
- resistance
- electric capacity
- connect
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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]
- H05B45/10—Controlling the intensity of the light
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient 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]
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a control circuit for an intelligent light-operated eye protection desk lamp, and the control circuit comprises a resistor R1, a capacitor C1, an inductor L1, a light-sensitive triode VT1, a triode VT2, a double-base diode VT3, and an unidirectional silicon controlled rectifier VS. One end of the capacitor C1 is connected with the inductor L1, and the other end of the capacitor C1 is connected with the resistor R1 and the base electrode of the triode VT1. The collector electrode of the triode VT1 is connected with the resistor R2, the other end of the resistor R1 and the capacitor C2. The other end of the capacitor C2 is connected with the collector electrode of a light-sensitive triode VT4 and a resistor R3, and the other end of the light-sensitive triode VT4 is connected with the base electrode of the triode VT2 and one end of a potentiometer RP2. The emitter electrode of the triode VT2 is connected with the other end of the resistor R3. The circuit provided by the invention can automatically turn on an LED lamp when a television or computer is turned on at night, and the LED lamp cannot be turned on during daytime no matter whether the television or computer is turned on. Moreover, the LED lamp can change along with the external brightness, and is high in intelligentization.
Description
Technical field
The present invention relates to a kind of desk lamp, specifically a kind of intelligent light-controlled eye-protecting desk lamp control circuit.
Background technology
In energy crisis and climate warming problem increasingly severe today, energy-conservation is discussed as social focus with environmental protection
Topic.LED because of it efficiently, energy-saving and environmental protection, long lifespan, rich color, small volume, resistance to flicker, that reliability is high, regulation and control are convenient etc. is all
The features such as many advantages, gets more and more people's extensive concerning, it is considered to be 21 century most promising lighting source.Traditional incandescent lamp
Efficiency is low, power consumption is high；Fluorescent lamp power saving, but service life is short, frangible, and there is mercury pollution in discarded object；High-intensity gas discharge lamp
Have that efficiency is low, power consumption is high, short life, hazards of electromagnetic radiation the shortcomings of；If current inefficient, height can be replaced with LED illumination
The traditional lighting of power consumption, can undoubtedly alleviate current more and more urgent energy shortage and environmental degradation problem.
Modern society, people more and more use computer and TV, but when many people's computers and TV not
Remember to turn on light, TV is seen under dim environment or computer is played, have very big injury for eyes.Desk lamp has turned into Modern Home
One of essential device is occupied, desk lamp species is also very various currently on the market, eyeshield LED also turns into Jiao of numerous businessmans marketing
Point, but to be simply added into a photo resistance with an automatic light meter for existing many eyeshield LED, it is desired nonetheless to and people is manually opened.This
Invention provides a kind of intelligent light-controlled eye-protecting desk lamp control circuit, can automatically be beaten when TV or computer is opened at night
LED is opened, when daytime, regardless of whether opening TV or computer, LED will not be lighted, and LED can be with ambient light
Change and change, intelligent height.
The content of the invention
It is an object of the invention to provide a kind of intelligent light-controlled eye-protecting desk lamp control circuit, with solving above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of intelligent light-controlled eye-protecting desk lamp control circuit, including resistance R1, electric capacity C1, inductance L1, phototriode VT1,
Triode VT2, double base diode VT3 and one-way SCR VS, it is characterised in that described electric capacity C1 one end connects inductance L1,
The electric capacity C1 other ends connect resistance R1 and triode VT1 base stages respectively, and triode VT1 colelctor electrodes connect resistance R2, resistance respectively
The R1 other ends and electric capacity C2, the electric capacity C2 other ends connect phototriode VT4 colelctor electrodes and resistance R3, phototriode respectively
VT4 emitter stages distinguish connecting triode VT2 base stages and potentiometer RP2 one end, and R3 is another for triode VT2 emitter stages connection resistance
End, triode VT2 colelctor electrodes connect electric capacity C3 and double base diode VT3 emitter stages, the bases of double base diode VT3 first respectively
Pole connects the resistance R2 other ends, LED positive pole and power supply VCC, the base stages of double base diode VT3 second difference respectively
The G poles of resistance R4 and one-way SCR VS are connected, the A poles connecting luminous diode LED negative poles of one-way SCR VS are unidirectional controllable
The K poles of silicon VS connect the resistance R4 other ends, the electric capacity C3 other ends, potentiometer RP2 slide plates, the potentiometer RP2 other ends, three poles respectively
Pipe VT1 emitter stages and the inductance L1 other ends are simultaneously grounded；The power supply VCC voltages are 24V.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention provides a kind of intelligent light-controlled eye-protecting desk lamp control
Circuit, can automatically open up LED when TV or computer is opened at night, when daytime, regardless of whether opening electricity
Depending on or computer, LED will not light, and LED can change with ambient light and change, intelligent height.
Brief description of the drawings
Fig. 1 is the circuit diagram that intelligent light-controlled eye-protecting desk lamp controls circuit.
Specific 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.
Fig. 1 is referred to, in the embodiment of the present invention, a kind of intelligent light-controlled eye-protecting desk lamp control circuit, including resistance R1, electric capacity
C1, inductance L1, phototriode VT1, triode VT2, double base diode VT3 and one-way SCR VS, the electric capacity C1 mono-
End connection inductance L1, the electric capacity C1 other ends connect resistance R1 and triode VT1 base stages respectively, and triode VT1 colelctor electrodes connect respectively
Connecting resistance R2, the resistance R1 other ends and electric capacity C2, the electric capacity C2 other ends connect phototriode VT4 colelctor electrodes and resistance respectively
R3, phototriode VT4 emitter stage distinguish connecting triode VT2 base stages and potentiometer RP2 one end, and triode VT2 emitter stages connect
The connecting resistance R3 other ends, triode VT2 colelctor electrodes connect electric capacity C3 and double base diode VT3 emitter stages, biradical pole two respectively
The base stages of pole pipe VT3 first connect the resistance R2 other ends, LED positive pole and power supply VCC, double base diode respectively
The base stages of VT3 second connect the G poles of resistance R4 and one-way SCR VS, the A poles connecting luminous diode of one-way SCR VS respectively
LED negative poles, the K poles of one-way SCR VS connect the resistance R4 other ends, the electric capacity C3 other ends, potentiometer RP2 slide plates, current potential respectively
The device RP2 other ends, triode VT1 emitter stages and the inductance L1 other ends are simultaneously grounded；The power supply VCC voltages are 24V.
Operation principle of the invention is：Fig. 1 is referred to, inductance L1 is placed near television set or computer power source line, when
When television set or computer are opened, television set or computer power source line can around produce the electromagnetic field of 50Hz because being powered, and coil L1 is just
The alternating magnetic field of this 50Hz is picked up, so as to produce corresponding electric signal to be exported by C1, R2 and light is hindered through C2 power transmissions after amplifying through VT1
Quick triode VT4, VT4 and RP2 partial pressure turns on VT2, and VT2 collector currents charge to electric capacity C3, when turning on VT3, LED points
It is bright；When dim, the ce junction resistances of VT4 become big, now the base potential reduction of VT2, and the be current potentials of VT2 increase, VT2 collection
Electrode current increases, and C3 charges and accelerates, and trigger pulse reach, LED both end voltages increase, then LED luminance increase, and vice versa.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (1)
1. a kind of intelligent light-controlled eye-protecting desk lamp controls circuit, including resistance R1, electric capacity C1, inductance L1, phototriode VT1, three
Pole pipe VT2, double base diode VT3 and one-way SCR VS, it is characterised in that described electric capacity C1 one end connects inductance L1, electricity
Hold the C1 other ends and connect resistance R1 and triode VT1 base stages respectively, triode VT1 colelctor electrodes connect resistance R2, resistance R1 respectively
The other end and electric capacity C2, the electric capacity C2 other ends connect phototriode VT4 colelctor electrodes and resistance R3, phototriode VT4 respectively
Emitter stage distinguishes connecting triode VT2 base stages and potentiometer RP2 one end, the triode VT2 emitter stages connection resistance R3 other ends, three
Pole pipe VT2 colelctor electrodes connect electric capacity C3 and double base diode VT3 emitter stages, the base stages of double base diode VT3 first point respectively
Not Lian Jie the resistance R2 other ends, LED positive pole and power supply VCC, the base stages of double base diode VT3 second connect respectively
The G poles of resistance R4 and one-way SCR VS, the A poles connecting luminous diode LED negative poles of one-way SCR VS, one-way SCR VS
K poles connect the resistance R4 other ends, the electric capacity C3 other ends, potentiometer RP2 slide plates, the potentiometer RP2 other ends, triode respectively
VT1 emitter stages and the inductance L1 other ends are simultaneously grounded；The power supply VCC voltages are 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236645.0A CN106714375A (en) | 2016-12-28 | 2016-12-28 | Control circuit for intelligent light-operated eye protection desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236645.0A CN106714375A (en) | 2016-12-28 | 2016-12-28 | Control circuit for intelligent light-operated eye protection desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106714375A true CN106714375A (en) | 2017-05-24 |
Family
ID=58902008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611236645.0A Pending CN106714375A (en) | 2016-12-28 | 2016-12-28 | Control circuit for intelligent light-operated eye protection desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106714375A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848591A (en) * | 2018-04-24 | 2018-11-20 | 林泽泓 | Automatically keep the constant lighting lamp device of illuminance |
-
2016
- 2016-12-28 CN CN201611236645.0A patent/CN106714375A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848591A (en) * | 2018-04-24 | 2018-11-20 | 林泽泓 | Automatically keep the constant lighting lamp device of illuminance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |