CN205249531U - Domestic lighting lamp circuit - Google Patents
Domestic lighting lamp circuit Download PDFInfo
- Publication number
- CN205249531U CN205249531U CN201521020729.1U CN201521020729U CN205249531U CN 205249531 U CN205249531 U CN 205249531U CN 201521020729 U CN201521020729 U CN 201521020729U CN 205249531 U CN205249531 U CN 205249531U
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- CN
- China
- Prior art keywords
- resistance
- diode
- triode
- capacitor
- rectifier bridge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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 domestic lighting lamp circuit, including resistance R7, electric capacity C1, electric capacity C2, diode D1, potentiometre RP1, MOS pipe Q1 and MOS pipe Q2, electric capacity C1 and 220V alternating current are connected to resistance R7's one end, and electric capacity C1's the other end, the port 1 that transient voltage restraines diode DW and rectifier bridge T are connected to resistance R7's the other end, and the negative pole that transient voltage restraines diode DW's the other end and the other end of 220V alternating current, rectifier bridge T's port 2 connecting resistance R1, resistance R2, lamps and lanterns A, electric capacity C2 and diode D3 is connected to rectifier bridge T's port 3. The utility model discloses domestic lighting lamp circuit simple structure, components and parts are few, have at first set up the component of eliminating the peak at the mains side, increase the stability of circuit, next uses the MOS pipe as the undervoltage protection switch, have avoided mechanical contact ageing defect easily, and it can the power supply of automatic disconnection lamps and lanterns to meet when under -voltage, effectively realizes undervoltage protection, have consequently that the function is various, an advantage of convenient to use and stable performance.
Description
Technical field
The utility model relates to a kind of lighting lamp circuit, specifically a kind of home lighting circuit for lamp.
Background technology
Power consumption is low, heat radiation lampet advantage is widely used in lighting apparatus because have for LED lamp, and illumination is in daily lifeMost important power mode, due to the driving voltage difference of LED light fixture, and to the having relatively high expectations of voltage, especially partiallyArea far away or peak times of power consumption in summer, be easy to burn common under-voltage protection at present because of long undervoltage conditionDevice mostly is disconnecting circuit mode, direct disconnecting circuit while running into undervoltage condition, although can protect light fixture and circuit, frequentlyNumerous shutoff also can its internal mechanical switch life-span. Long-term use can cause switch to damage, and need to frequently change, and gives peopleLife make troubles, therefore need to be improved.
Utility model content
The purpose of this utility model is to provide a kind of home lighting circuit for lamp, to solve asking of proposing in above-mentioned background technologyTopic.
For achieving the above object, the utility model provides following technical scheme:
A kind of home lighting circuit for lamp, comprises resistance R 7, capacitor C 1, capacitor C 2, diode D1, potentiometer RP1, MOSPipe Q1 and metal-oxide-semiconductor Q2, one end of described resistance R 7 connects capacitor C 1 and 220V alternating current, and the other end of resistance R 7 connectsConnect the port one of the other end, transient voltage suppressor diode DW and the rectifier bridge T of capacitor C 1, the port 3 of rectifier bridge T connectsConnect the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, port 2 contact resistances of rectifier bridge TThe negative electrode of R1, resistance R 2, light fixture A, capacitor C 2 and diode D3, the other end of capacitor C 2 connects the moon of diode D1The negative electrode of the utmost point, diode D2, the anode of diode D3, the drain electrode of metal-oxide-semiconductor Q1 and the port 4 of rectifier bridge T, resistance R 1The other end connect a stiff end of potentiometer RP1, another stiff end of potentiometer RP1 connects the sun of diode D1The utmost point, the base stage of the sliding end connecting triode V1 of potentiometer RP1, another of the colelctor electrode contact resistance R2 of triode V1The base stage of end and triode V2, the other end, resistance R 5 and the resistance R 6, three of the colelctor electrode contact resistance R3 of triode V2The emitter stage contact resistance R4 of utmost point pipe V1 and the emitter stage of triode V2, the other end of resistance R 4 connects diode D2'sAnode, the grid of other end connection mode Q1 of resistance R 5 and the grid of metal-oxide-semiconductor Q2, the drain electrode of metal-oxide-semiconductor Q2 connects electricityThe resistance other end of R6 and the other end of light fixture A.
As preferred version of the present utility model: described diode D2 is light emitting diode.
As preferred version of the present utility model: described light fixture A is LED lamp.
Compared with prior art, the beneficial effects of the utility model are: the utility model household illuminating lamp circuit structure is simple,Components and parts are few, are first provided with at mains side the element of eliminating spike, increase the stability of circuit, secondly use metal-oxide-semiconductor to doFor under-voltage protection switch, avoid easily aging defect of mechanical contact, run into when under-voltage and can automatically disconnect light fixture power supply,Effectively realize under-voltage protection, therefore there is diverse in function, easy to use and stable performance.
Brief description of the drawings
Fig. 1 is the circuit diagram of home lighting circuit for lamp.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearlyChu, intactly description, obviously, described embodiment is only the utility model part embodiment, instead of wholeEmbodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisiteThe every other embodiment obtaining, belongs to the scope that the utility model is protected.
Refer to Fig. 1, a kind of home lighting circuit for lamp, comprises resistance R 7, capacitor C 1, capacitor C 2, diode D1, electricityPosition device RP1, metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2, one end of described resistance R 7 connects capacitor C 1 and 220V alternating current, resistanceThe other end of R7 connects the port one of the other end, transient voltage suppressor diode DW and the rectifier bridge T of capacitor C 1, rectifier bridgeThe port 3 of T connects the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, the end of rectifier bridge TThe negative electrode of mouth 2 contact resistance R1, resistance R 2, light fixture A, capacitor C 2 and diode D3, the other end of capacitor C 2 connectsThe anode of the negative electrode of diode D1, the negative electrode of diode D2, diode D3, the drain electrode of metal-oxide-semiconductor Q1 and rectifier bridge T'sPort 4, the other end of resistance R 1 connects a stiff end of potentiometer RP1, and another stiff end of potentiometer RP1 connectsThe anode of diode D1, the base stage of the sliding end connecting triode V1 of potentiometer RP1, the colelctor electrode of triode V1 connectsThe base stage of the other end of resistance R 2 and triode V2, the other end, the resistance R 5 of the colelctor electrode contact resistance R3 of triode V2With resistance R 6, the emitter stage contact resistance R4 of triode V1 and the emitter stage of triode V2, the other end of resistance R 4 connectsThe anode of diode D2, the grid of other end connection mode Q1 of resistance R 5 and the grid of metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q2'sThe other end of drain electrode contact resistance R6 and the other end of light fixture A.
Diode D2 is light emitting diode. Light fixture A is LED lamp.
Operation principle of the present utility model is: the capacitance-resistance voltage reduction circuit that 220V line voltage process resistance R 7 and capacitor C 1 formStep-down, the voltage after step-down enters rectifier bridge T after by transient voltage suppressor diode DW and carries out rectification, and transient voltage presses downDiode DW processed can eliminate peak voltage, and the voltage of the 2 pin outputs of rectifier bridge T is through capacitor C 2 filtering and diode D3After voltage stabilizing, give circuit supply, the resistance R 1 in circuit and potentiometer RP1 composition voltage sample circuit, by potentiometer RP1Regulate under-voltage critical value, when voltage stabilization, voltage is added in the base stage of triode V1 after resistance R 1 and potentiometer RP1,Triode V1 conducting, triode V2 conducting thereupon, the voltage instruction of the normal work of the luminous conduct of light emitting diode D2 conducting,Metal-oxide-semiconductor Q2 and Q3 conducting simultaneously, whole electricity consumption loop is connected, and light fixture A obtains electric, when line voltage is reduced to under-voltage criticalWhen value, the undertension after resistance R 1 and potentiometer RP1 dividing potential drop is with conducting V1, and triode V1 ends, thereby turn-offsTriode V2, metal-oxide-semiconductor Q2 and Q3 end thereupon, disconnect the loop of electricity consumption light fixture A, reach the object of under-voltage protection. ElectricityLine structure is simple, components and parts are few, is first provided with at mains side the element of eliminating spike, increases the stability of circuit, secondlyUse metal-oxide-semiconductor as under-voltage protection switch, avoided easily aging defect of mechanical contact, running into can be from dynamic circuit breaker when under-voltageThe tool of turning on light power supply, effectively realizes under-voltage protection, therefore has advantages of diverse in function, easy to use and stable performance.
Claims (3)
1. a home lighting circuit for lamp, comprise resistance R 7, capacitor C 1, capacitor C 2, diode D1, potentiometer RP1,Metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2, is characterized in that, one end of described resistance R 7 connects capacitor C 1 and 220V alternating current, electricityThe other end of resistance R7 connects the port one of the other end, transient voltage suppressor diode DW and the rectifier bridge T of capacitor C 1, rectificationThe port 3 of bridge T connects the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, rectifier bridge T'sThe negative electrode of port 2 contact resistance R1, resistance R 2, light fixture A, capacitor C 2 and diode D3, the other end of capacitor C 2 connectsMeet the negative electrode of diode D1, the negative electrode of diode D2, the anode of diode D3, drain electrode and the rectifier bridge T of metal-oxide-semiconductor Q1Port 4, the other end of resistance R 1 connects a stiff end of potentiometer RP1, another stiff end of potentiometer RP1 connectsConnect the anode of diode D1, the base stage of the sliding end connecting triode V1 of potentiometer RP1, the colelctor electrode of triode V1 connectsThe base stage of the other end of connecting resistance R2 and triode V2, the other end, the resistance of the colelctor electrode contact resistance R3 of triode V2R5 and resistance R 6, the emitter stage contact resistance R4 of triode V1 and the emitter stage of triode V2, the other end of resistance R 4Connect the anode of diode D2, the grid of other end connection mode Q1 of resistance R 5 and the grid of metal-oxide-semiconductor Q2, metal-oxide-semiconductorThe other end of drain electrode contact resistance R6 of Q2 and the other end of light fixture A.
2. according to a kind of home lighting circuit for lamp claimed in claim 1, it is characterized in that, described diode D2 is luminous twoUtmost point pipe.
3. according to a kind of home lighting circuit for lamp claimed in claim 1, it is characterized in that, described light fixture A is LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020729.1U CN205249531U (en) | 2015-12-11 | 2015-12-11 | Domestic lighting lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020729.1U CN205249531U (en) | 2015-12-11 | 2015-12-11 | Domestic lighting lamp circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205249531U true CN205249531U (en) | 2016-05-18 |
Family
ID=55948590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521020729.1U Expired - Fee Related CN205249531U (en) | 2015-12-11 | 2015-12-11 | Domestic lighting lamp circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205249531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714388A (en) * | 2017-02-09 | 2017-05-24 | 中山自信照明科技有限公司 | LED (Light Emitting Diode) illumination circuit |
-
2015
- 2015-12-11 CN CN201521020729.1U patent/CN205249531U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714388A (en) * | 2017-02-09 | 2017-05-24 | 中山自信照明科技有限公司 | LED (Light Emitting Diode) illumination circuit |
| CN106714388B (en) * | 2017-02-09 | 2018-06-26 | 中山自信照明科技有限公司 | LED illumination circuit |
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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 |
Granted publication date: 20160518 Termination date: 20161211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |