CN207692095U - A kind of energy-saving LED illumination adjuster - Google Patents
A kind of energy-saving LED illumination adjuster Download PDFInfo
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- CN207692095U CN207692095U CN201721792692.3U CN201721792692U CN207692095U CN 207692095 U CN207692095 U CN 207692095U CN 201721792692 U CN201721792692 U CN 201721792692U CN 207692095 U CN207692095 U CN 207692095U
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of energy-saving LED illumination adjusters; including voltage-stabilized power supply circuit, overvoltage crowbar, automatic dimming circuit and LED lamp H; the voltage-stabilized power supply circuit is separately connected LED lamp and overvoltage crowbar; overvoltage crowbar is also connected with automatic dimming circuit, and automatic dimming circuit is also connected with LED lamp H.Overvoltage crowbar includes resistance R5, triode V1, diode D1 and resistance R6.The utility model energy-saving LED illumination adjuster wants LED lamp as light source; and form intelligent dimming module using photo resistance, triode and unidirectional thyristor; the brightness of lamps and lanterns can be changed according to environmental light intensity; it is provided with overvoltage protective module in circuit simultaneously, therefore has the advantages that service life is long, vdiverse in function and degree of intelligence is high.
Description
Technical field
The utility model is related to a kind of lighting circuit, specifically a kind of energy-saving LED illumination adjuster.
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 come into being under this background
An emerging power-saving technology.With the raising of LED production technologies, production cost constantly reduces, and white light LEDs replace traditional photograph
Mingguang City source is possibly realized.LED lamp not only have power consumption it is few, many students do not pay attention to the intensity of light when using computer,
If environmental light intensity is dark will to cause eyesight larger damage, and many students are easy to ignore this when using computer
Problem causes eyesight to reduce.
Utility model content
The purpose of this utility model is to provide a kind of energy-saving LED illumination adjusters, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides the following technical solutions：
A kind of energy-saving LED illumination adjuster, including voltage-stabilized power supply circuit, overvoltage crowbar, automatic dimming circuit and LED
Lamps and lanterns H, the voltage-stabilized power supply circuit are separately connected LED lamp and overvoltage crowbar, and overvoltage crowbar is also connected with automatic tune
Optical circuit, automatic dimming circuit are also connected with LED lamp H.
Preferred embodiment as the utility model：The overvoltage crowbar includes resistance R5, triode V1, two poles
The emitter of pipe D1 and resistance R6, triode V1 connect resistance R5 and supply voltage U1, the other end connection resistance R6 of resistance R5
Resistance R2 is connected with the collector of the cathode of diode D1, the base stage of the anode connecting triode V1 of diode D1, triode V1,
The other end of resistance R6 is grounded.
Preferred embodiment as the utility model：The automatic dimming circuit includes resistance R2, triode V2, two-way triggering
The collector connection of one end connecting triode V1 of diode Q1 and unidirectional thyristor Q2, resistance R2 and resistance R3, resistance R2's
The other end connects the collector of resistance R4 and triode V2, and the other end of resistance R3 connects the base stage of resistance R7 and triode V2,
The emitter of triode V2 connects resistance R8, the other end and bidirectional trigger diode of the other end connection capacitance C3 of resistance R8
The control pole of the other end connection unidirectional thyristor Q2 of Q1, bidirectional trigger diode Q1, the anode of unidirectional thyristor Q2 connect lamp
Have H, the other end of cathode connection capacitance C3 of unidirectional thyristor Q2, the other end and ground of the other end of resistance R4, resistance R7.
Preferred embodiment as the utility model：The voltage-stabilized power supply circuit includes capacitance-resistance voltage reduction circuit, rectifier bridge T and steady
Chip IC 1 is pressed, the capacitance-resistance voltage reduction circuit includes one end capacitance C1 of the resistance R1 being connected in parallel and capacitance C1, the resistance R1
The other end of capacitance C1, transient voltage suppressor diode DW and rectifier bridge T are connected with the other end of 220V alternating currents, resistance R1
Port 1, the port 3 of rectifier bridge T connect the other end of the other end and 220V alternating currents of transient voltage suppressor diode DW, rectification
The port 2 of bridge T connects the pin 1 of capacitance C2 and voltage stabilizing chip IC1, and the pin 3 of voltage stabilizing chip IC1 connects output voltage U1 and steady
Press diode D2, the anode of other end connection diode D2 of capacitance C2, the port 4 of the pin 2 of voltage stabilizing chip IC1, rectifier bridge T
The ground and.
Preferred embodiment as the utility model：The resistance R3 is photo resistance.
Preferred embodiment as the utility model：The classical rectification that the rectifier bridge T is made of 4 IN4001 diodes
Circuit.
Preferred embodiment as the utility model：The model LM7812 of the voltage stabilizing chip IC1.
Compared with prior art, the utility model has the beneficial effects that：The utility model energy-saving LED illumination adjuster
It wants LED lamp as light source, and intelligent dimming module, Neng Gougen is formed using photo resistance, triode and unidirectional thyristor
According to environmental light intensity change lamps and lanterns brightness, while in circuit be provided with overvoltage protective module, therefore have the function of service life length,
The various and high advantage of degree of intelligence.
Description of the drawings
Fig. 1 is the circuit diagram of energy-saving LED illumination adjuster.
Fig. 2 is the circuit diagram of voltage-stabilized power supply circuit.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, a kind of energy-saving LED illumination adjuster, including it is voltage-stabilized power supply circuit, overvoltage crowbar, automatic
Light adjusting circuit and LED lamp H, the voltage-stabilized power supply circuit are separately connected LED lamp and overvoltage crowbar, overvoltage crowbar
It is also connected with automatic dimming circuit, automatic dimming circuit is also connected with LED lamp H.Overvoltage crowbar includes resistance R5, three poles
The emitter of pipe V1, diode D1 and resistance R6, triode V1 connect resistance R5 and supply voltage U1, and the other end of resistance R5 connects
The collector of the cathode of connecting resistance R6 and diode D1, the base stage of the anode connecting triode V1 of diode D1, triode V1 connects
The other end of connecting resistance R2, resistance R6 are grounded.Automatic dimming circuit includes resistance R2, triode V2, bidirectional trigger diode Q1
With unidirectional thyristor Q2, the collector connection of one end connecting triode V1 of resistance R2 and the other end of resistance R3, resistance R2 connect
The collector of connecting resistance R4 and triode V2, the base stage of the other end connection resistance R7 and triode V2 of resistance R3, triode V2
Emitter connect resistance R8, the other end of the other end connection capacitance C3 of resistance R8 and bidirectional trigger diode Q1 are two-way to touch
The control pole of the other end connection unidirectional thyristor Q2 of diode Q1 is sent out, the anode of unidirectional thyristor Q2 connects lamps and lanterns H, unidirectional brilliant
The other end of cathode connection capacitance C3 of brake tube Q2, the other end and ground of the other end of resistance R4, resistance R7.Power module includes
Capacitance-resistance voltage reduction circuit, rectifier bridge T and voltage stabilizing chip IC1, the capacitance-resistance voltage reduction circuit include the resistance R1 and capacitance being connected in parallel
One end capacitance C1 and 220V alternating current of C1, the resistance R1, the other end, the transient state electricity of the other end connection capacitance C1 of resistance R1
Constrain the port 1 of diode DW and rectifier bridge T processed, the port 3 of rectifier bridge T connects the other end of transient voltage suppressor diode DW
With the other end of 220V alternating currents, the port 2 of rectifier bridge T connects the pin 1 of capacitance C2 and voltage stabilizing chip IC1, voltage stabilizing chip IC1
Pin 3 connect output voltage U1 and zener diode D2, the anode of the other end connection diode D2 of capacitance C2, voltage stabilizing chip
The pin 2 of IC1, the port 4 of rectifier bridge T and ground.
The operation principle of the utility model is：220V line voltages pass through the resistance-capacitance depressurization being made of resistance R1 and capacitance C1
It after circuit decompression, enters back into and carries out rectification in rectifier bridge T, the transient voltage suppressor diode DW in circuit is for eliminating city's electric wave
The peak voltage of movable property life, capacitance C2 are filter capacitor, and the DC voltage exported from the port of rectifier bridge T 2 passes through three-terminal voltage-stabilizing
Export stable 12V voltages after chip IC 1 and zener diode D2, this voltage part is added on lamps and lanterns H, another way be added in by
Resistance R5, resistance R6, diode D1 and triode V1 composition overvoltage crowbar in, when voltage is normal, by resistance R5 and
Undertension after resistance R6 partial pressures is so that diode D1 is connected, and triode V1 base stages must not be electric at this time, therefore V1 is connected, behind
Circuit obtain it is electric, photo resistance R3 be used as probe.V2, R2, R4 etc. form error amplifier, and V2 substantially plays a variable resistance
Effect.The trigger circuit of the compositions such as R8, C3, Q1.When certain reason makes the luminance reduction at probe, then R3 resistance values increase, V2
Base potential reduce, so that collector current is increased, charging time of C3 shortens, and makes trigger pulse Phase advance, the conducting of Q1
Angle increases, and lamps and lanterns H brightness then enhances；Conversely, the brightness of light bulb can weaken.To realize purpose with an automatic light meter, city is encountered
When electric overvoltage exceeds critical range, diode D1 is breakdown, and triode V1 base stages obtain electric, therefore V1 ends, the not work of chip IC 1
Make, unidirectional thyristor Q1 cut-offs disconnect the circuit of lamps and lanterns H, protected from over-pressed damage.
The utility model energy-saving LED illumination adjuster wants LED lamp as light source, and utilizes photo resistance, three
Pole pipe and unidirectional thyristor form intelligent dimming module, can change the brightness of lamps and lanterns according to environmental light intensity, while being set in circuit
Overvoltage protective module has been set, therefore has had the advantages that service life is long, vdiverse in function and degree of intelligence is high.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of energy-saving LED illumination adjuster, including voltage-stabilized power supply circuit, overvoltage crowbar, automatic dimming circuit and LED light
Has H, which is characterized in that the voltage-stabilized power supply circuit is separately connected LED lamp and overvoltage crowbar, and overvoltage crowbar also connects
Automatic dimming circuit is connect, automatic dimming circuit is also connected with LED lamp H.
2. a kind of energy-saving LED illumination adjuster according to claim 1, which is characterized in that the overvoltage crowbar packet
It includes including resistance R5, triode V1, diode D1 and resistance R6, the emitter connection resistance R5 and supply voltage of triode V1
The cathode of the other end connection resistance R6 and diode D1 of U1, resistance R5, the base stage of the anode connecting triode V1 of diode D1,
The collector of triode V1 connects resistance R2, the other end ground connection of resistance R6.
3. a kind of energy-saving LED illumination adjuster according to claim 1, which is characterized in that the automatic dimming circuit packet
Include resistance R2, triode V2, bidirectional trigger diode Q1 and unidirectional thyristor Q2, the collection of one end connecting triode V1 of resistance R2
Electrode connects and resistance R3, and the collector of the other end connection resistance R4 and triode V2 of resistance R2, the other end of resistance R3 connect
The emitter of the base stage of connecting resistance R7 and triode V2, triode V2 connects resistance R8, the other end connection capacitance C3 of resistance R8
The other end and bidirectional trigger diode Q1, bidirectional trigger diode Q1 other end connection unidirectional thyristor Q2 control pole,
The anode of unidirectional thyristor Q2 connects lamps and lanterns H, the other end of the cathode connection capacitance C3 of unidirectional thyristor Q2, resistance R4 it is another
It holds, the other end and ground of resistance R7.
4. a kind of energy-saving LED illumination adjuster according to claim 1, which is characterized in that the voltage-stabilized power supply circuit packet
Capacitance-resistance voltage reduction circuit, rectifier bridge T and voltage stabilizing chip IC1 are included, the capacitance-resistance voltage reduction circuit includes the resistance R1 and electricity being connected in parallel
Hold C1, one end capacitance C1 and 220V alternating current of the resistance R1, the other end of the other end connection capacitance C1 of resistance R1, transient state
The port 3 of the port 1 of voltage suppression diode DW and rectifier bridge T, rectifier bridge T connects the another of transient voltage suppressor diode DW
The other end at end and 220V alternating currents, the port 2 of rectifier bridge T connect the pin 1 of capacitance C2 and voltage stabilizing chip IC1, voltage stabilizing chip
The pin 3 of IC1 connects output voltage U1 and zener diode D2, the anode of the other end connection diode D2 of capacitance C2, voltage stabilizing
The pin 2 of chip IC 1, the port 4 of rectifier bridge T and ground.
5. a kind of energy-saving LED illumination adjuster according to claim 3, which is characterized in that the resistance R3 is photosensitive electricity
Resistance.
6. a kind of energy-saving LED illumination adjuster according to claim 4, which is characterized in that the rectifier bridge T is by 4
The classical rectification circuit of IN4001 diodes composition.
7. a kind of energy-saving LED illumination adjuster according to claim 4, which is characterized in that the type of the voltage stabilizing chip IC1
Number be LM7812.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721792692.3U CN207692095U (en) | 2017-12-20 | 2017-12-20 | A kind of energy-saving LED illumination adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721792692.3U CN207692095U (en) | 2017-12-20 | 2017-12-20 | A kind of energy-saving LED illumination adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207692095U true CN207692095U (en) | 2018-08-03 |
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ID=62994586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721792692.3U Expired - Fee Related CN207692095U (en) | 2017-12-20 | 2017-12-20 | A kind of energy-saving LED illumination adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207692095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108156697A (en) * | 2017-12-20 | 2018-06-12 | 李姗姗 | A kind of energy-saving LED illumination adjuster |
-
2017
- 2017-12-20 CN CN201721792692.3U patent/CN207692095U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108156697A (en) * | 2017-12-20 | 2018-06-12 | 李姗姗 | A kind of energy-saving LED illumination adjuster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063200 Hebei Tangshan City Caofeidian small and medium enterprises Park Patentee after: Tangshan Wenfeng Special Steel Co.,Ltd. Address before: 063200 Hebei Tangshan City Caofeidian small and medium enterprises Park Patentee before: TANGSHAN WENFENG SHANCHUAN WHEEL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |