CN204669675U - A kind of touch prolongs light-off circuit - Google Patents
A kind of touch prolongs light-off circuit Download PDFInfo
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- CN204669675U CN204669675U CN201520360833.9U CN201520360833U CN204669675U CN 204669675 U CN204669675 U CN 204669675U CN 201520360833 U CN201520360833 U CN 201520360833U CN 204669675 U CN204669675 U CN 204669675U
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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
Open a kind of touch of the utility model prolongs light-off circuit, comprise diode D1, one-way SCR Q1, potentiometer RP1 and induced electricity pole piece A, the anode of described diode D1 connects negative electrode and the fuse FU of diode D3, the other end of fuse FU connects 220V line voltage, and the anode of diode D2 connects the negative electrode of diode D3 and the other end of 220V line voltage.The utility model touches and prolongs that light-off circuit structure is simple, components and parts are few, when utilizing electric capacity to work in DC circuit, once electric capacity is full of electricity, pass through with regard to no current, at this moment the characteristic that electric capacity is equivalent to open a way makes to prolong to turn off the light and produces without quiescent dissipation when not using, not only save electric energy, and add the loss decreasing circuit components.
Description
Technical field
The utility model relates to a kind of lighting circuit, and specifically a kind of touch prolongs light-off circuit.
Background technology
At present, a lot of corridor, the illuminating lamp of intelligent energy-saving type is all housed in corridor, common are sound control type, light-operated and, but all there is certain defect in these two kinds of illuminating lamps, acoustic control lamp needs the sound just meeting trigger switch manufacturing certain decibel, light-operated is at meeting at night one direct-open, touch is prolonged light-off and be can be good at addressing these problems, it can connect circuit a period of time after being subject to human body touching, automatically close after people leaves, use easily, but touch and prolong when turning off the light that switch is in off state at ordinary times, about there is the quiescent dissipation of 12 milliwatts, not only increase power consumption, also reduce the life-span of control circuit.
Utility model content
The purpose of this utility model be to provide a kind of structure simple, prolong light-off circuit without the touch of quiescent dissipation, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of touch prolongs light-off circuit, comprise diode D1, one-way SCR Q1, potentiometer RP1 and induced electricity pole piece A, the anode of described diode D1 connects negative electrode and the fuse FU of diode D3, the other end of fuse FU connects 220V line voltage, the anode of diode D2 connects the negative electrode of diode D3 and the other end of 220V line voltage, the negative electrode of diode D1 connects the negative electrode of diode D2, the anode of resistance R1 and one-way SCR Q1, the other end contact resistance R6 of resistance R1 and the anode of one-way SCR Q2, the negative electrode of one-way SCR Q1 connects light fixture L, the other end of light fixture L connects the stiff end of potentiometer RP1, another stiff end contact resistance R7 of potentiometer RP1, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, the anode of diode D3, the anode of diode D4, the emitter of triode VT1 and the emitter of triode VT2, the other end of the control pole contact resistance R2 of one-way SCR Q1, the other end of resistance R3 and electric capacity C1, the other end of resistance R3 connects the other end of electric capacity C2, the collector electrode of triode VT1 and the negative electrode of one-way SCR Q2, the other end contact resistance R5 of resistance R2, the other end of electric capacity C4 and the collector electrode of triode VT2, the control pole contact resistance R4 of one-way SCR Q2 and the other end of electric capacity C3, the other end of resistance R4 connects induced electricity pole piece A, the other end of the base stage contact resistance R5 of triode VT1, the other end of base stage contact resistance R6 of triode VT2 and the other end of resistance R7.
As preferred version of the present utility model: described light fixture L is LED electricity-saving lamp.
As preferred version of the present utility model: described electric capacity C1 and electric capacity C2 is anti-interference ceramic disc capacitor.
Compared with prior art, the beneficial effects of the utility model are: the utility model touches and prolongs that light-off circuit structure is simple, components and parts are few, when utilizing electric capacity to work in DC circuit, once electric capacity is full of electricity, pass through with regard to no current, at this moment the characteristic that electric capacity is equivalent to open a way makes to prolong to turn off the light and produces without quiescent dissipation when not using, and has not only saved electric energy, and has added the loss decreasing circuit components.
Accompanying drawing explanation
Fig. 1 touches the circuit diagram prolonging light-off circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of touch prolongs light-off circuit, comprise diode D1, one-way SCR Q1, potentiometer RP1 and induced electricity pole piece A, the anode of described diode D1 connects negative electrode and the fuse FU of diode D3, the other end of fuse FU connects 220V line voltage, the anode of diode D2 connects the negative electrode of diode D3 and the other end of 220V line voltage, the negative electrode of diode D1 connects the negative electrode of diode D2, the anode of resistance R1 and one-way SCR Q1, the other end contact resistance R6 of resistance R1 and the anode of one-way SCR Q2, the negative electrode of one-way SCR Q1 connects light fixture L, the other end of light fixture L connects the stiff end of potentiometer RP1, another stiff end contact resistance R7 of potentiometer RP1, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, the anode of diode D3, the anode of diode D4, the emitter of triode VT1 and the emitter of triode VT2, the other end of the control pole contact resistance R2 of one-way SCR Q1, the other end of resistance R3 and electric capacity C1, the other end of resistance R3 connects the other end of electric capacity C2, the collector electrode of triode VT1 and the negative electrode of one-way SCR Q2, the other end contact resistance R5 of resistance R2, the other end of electric capacity C4 and the collector electrode of triode VT2, the control pole contact resistance R4 of one-way SCR Q2 and the other end of electric capacity C3, the other end of resistance R4 connects induced electricity pole piece A, the other end of the base stage contact resistance R5 of triode VT1, the other end of base stage contact resistance R6 of triode VT2 and the other end of resistance R7.
Light fixture L is LED electricity-saving lamp.
Electric capacity C1 and electric capacity C2 is anti-interference ceramic disc capacitor.
Operation principle of the present utility model is: electric main is after diode D1 ~ D4 bridge rectifier, become Rectified alternating current, one tunnel is directly added to the anode of one-way SCR Q1, resistance R1 of separately leading up to is added to the anode of one-way SCR Q2, and one-way SCR Q1 and one-way SCR Q2 is all in off state at ordinary times.When people finger touch once induced electricity pole piece A time, the induced signal of human body is transferred to the control pole of one-way SCR Q2 by electrode slice A and resistance R4, make one-way SCR Q2 conducting, and result one-way SCR Q1 also conducting, corresponding light fixture L obtains electroluminescence.After one-way SCR Q1 conducting, 1.6V is about to the both end voltage actual measurement on C2.This voltage charges to electric capacity C4 through resistance R2.After certain hour, corresponding triode VT1 conducting, the electric charge on result C2 is released, and one-way SCR Q1 turns off, and light fixture L extinguishes.C1 and C3 resists in disturbing electric capacity, adopts the ceramic disc capacitor of 0.1 μ F and 0.01 μ F respectively.Here the resistance be connected with touch sheet M adopts two to connect, i.e. R4, R5, and object improves fail safe.Triode VT2 provides discharge loop for electric capacity C4, and after prolonging and putting out end, one-way SCR Q1 ends.The DC pulse moving voltage of 220V is added to VT2 base stage by resistance R1, R6, VT2 saturation conduction, electric capacity C1 ~ C4 in circuit charges, be full of after electricity until electric capacity, be equivalent to disconnect main circuit, making this circuit not have quiescent dissipation when not using on the one hand, is that delayed trigger is prepared next time on the other hand.
Claims (3)
1. a light-off circuit is prolonged in touch, comprises diode D1, one-way SCR Q1, potentiometer RP1 and induced electricity pole piece A, it is characterized in that, the anode of described diode D1 connects negative electrode and the fuse FU of diode D3, the other end of fuse FU connects 220V line voltage, the anode of diode D2 connects the negative electrode of diode D3 and the other end of 220V line voltage, the negative electrode of diode D1 connects the negative electrode of diode D2, the anode of resistance R1 and one-way SCR Q1, the other end contact resistance R6 of resistance R1 and the anode of one-way SCR Q2, the negative electrode of one-way SCR Q1 connects light fixture L, the other end of light fixture L connects the stiff end of potentiometer RP1, another stiff end contact resistance R7 of potentiometer RP1, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, the anode of diode D3, the anode of diode D4, the emitter of triode VT1 and the emitter of triode VT2, the other end of the control pole contact resistance R2 of one-way SCR Q1, the other end of resistance R3 and electric capacity C1, the other end of resistance R3 connects the other end of electric capacity C2, the collector electrode of triode VT1 and the negative electrode of one-way SCR Q2, the other end contact resistance R5 of resistance R2, the other end of electric capacity C4 and the collector electrode of triode VT2, the control pole contact resistance R4 of one-way SCR Q2 and the other end of electric capacity C3, the other end of resistance R4 connects induced electricity pole piece A, the other end of the base stage contact resistance R5 of triode VT1, the other end of base stage contact resistance R6 of triode VT2 and the other end of resistance R7.
2. one according to claim 1 touches and prolongs light-off circuit, and it is characterized in that, described light fixture L is LED electricity-saving lamp.
3. one according to claim 1 touches and prolongs light-off circuit, and it is characterized in that, described electric capacity C1 and electric capacity C2 is anti-interference ceramic disc capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360833.9U CN204669675U (en) | 2015-05-30 | 2015-05-30 | A kind of touch prolongs light-off circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360833.9U CN204669675U (en) | 2015-05-30 | 2015-05-30 | A kind of touch prolongs light-off circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204669675U true CN204669675U (en) | 2015-09-23 |
Family
ID=54140011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520360833.9U Expired - Fee Related CN204669675U (en) | 2015-05-30 | 2015-05-30 | A kind of touch prolongs light-off circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204669675U (en) |
-
2015
- 2015-05-30 CN CN201520360833.9U patent/CN204669675U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20170530 |