CN202841655U - Isolated power supply LED acousto-optic lamp - Google Patents
Isolated power supply LED acousto-optic lamp Download PDFInfo
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- CN202841655U CN202841655U CN 201220555585 CN201220555585U CN202841655U CN 202841655 U CN202841655 U CN 202841655U CN 201220555585 CN201220555585 CN 201220555585 CN 201220555585 U CN201220555585 U CN 201220555585U CN 202841655 U CN202841655 U CN 202841655U
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Abstract
The utility model relates to an isolated power supply LED acousto-optic lamp, in particular to a power supply LED acousto-optic lamp which can isolate surge, pulse, interference and the like from external circuits and guarantee stable power output and is provided with LED light sources directly driven by voltage-reduced and current-stabilized electronic devices. The isolated power supply LED acousto-optic lamp comprises a lamp holder, a rectifier circuit, an acousto-optic control circuit, an isolated constant-current source circuit, an LED array and an organic lamp housing.
Description
Technical field
The utility model relates to the LED field of illumination lamp technology, espespecially a kind of isolated power LED acousto-optic lamp.
Background technology
Led light source as green, energy-conservation, power saving, long-life the 4th generation lighting and be a dark horse, extensively concerned, develop rapidly in high gear.Present led light source is the low-voltage (semiconductor device of 2～3.6V) work, must provide the suitable direct current could be normally luminous, the technology of direct current (DC) driving LED light source luminescent is more and more ripe, the LED electricity-saving lamp is with the white luminous diode illumination source of high brightness, is solid cold light source of new generation.
The LED electricity-saving lamp is the lighting source of new generation behind compact fluorescent lamp (being common energy-saving lamp).Compare common energy-saving lamp, the environmental protection of LED electricity-saving lamp is not mercurous, recyclable recycling, power is little, high light efficiency, the long-life, namely open namely bright, anti-frequent switch, light decay is little, rich color, tunable optical, change is abundant.A large amount of common energy-saving lamps that use can cause mercury pollution, contaminated soil water source, thereby contaminated food products indirectly, and environmental hazard can not be despised.With transformer the input and output of power supply are kept apart, even output short-circuit or people touch output and also the phenomenon that shocks by electricity can not occur like this, driven for the civil power alternating current input power supplying, isolation output is based on the requirement of safety standard.The isolation scheme advantage is his good stability, and antijamming capability is strong, and fail safe is relatively easily controlled.
Summary of the invention
A kind of isolated power LED acousto-optic lamp of the utility model, it is characterized in that, provide a kind of surge on can the isolating exterior circuit, pulse and interference etc., guarantee the stable of power supply output, use the power LED acousto-optic lamp that contains step-down and the direct driving LED light source of current stabilization electronic devices and components.
To achieve these goals, technical solution of the present utility model is: a kind of isolated power LED acousto-optic lamp is comprised of lamp holder, rectification circuit, sound light control circuit, isolated constant-current source circuit, led array and organic lamp housing, lamp holder is connected with external ac power source, and be connected in series cartridge fuse with the centre that is connected of live wire, connect piezo-resistance between live wire and the zero line, lamp holder is combined with organic lamp housing.
Described rectification circuit is made of diode D1～D4, fuse F1 and piezo-resistance R1.
Described sound light control circuit is made of resistance R 2～R8, photo resistance R16, electrochemical capacitor C1 and C4, capacitor C 2 and C3, diode D5 and D7, voltage stabilizing didoe D6, integrated IC1, triode Q1, controllable silicon SCR and microphone MIC.
Described isolated constant-current source circuit is made of electrochemical capacitor C5 and C10, capacitor C 6～C9, field effect transistor Q2, transformer T, diode D8～D10, integrated IC2 and resistance R 9～R15.
The beneficial effects of the utility model are: daytime, light was strong, the photo resistance resistance is little, whether no matter microphone receive signal, the integrated IC1 output of sound light control circuit is low level, can't drive controlled silicon conducting by the control utmost point, led array is not luminous, a little less than the evening light, the photo resistance resistance is large, when microphone did not receive signal, the integrated IC1 output of sound light control circuit was low level, still can't drive controllable silicon by the control utmost point, led array is not luminous, when microphone received signal, the integrated IC1 output of sound light control circuit was high level, drove controlled silicon conducting by the control utmost point, and then driving isolation formula constant-current source circuit makes led array luminous and begin regularly, when the integrated IC1 output of sound light control circuit became low level, led array was not luminous, regularly finished, realized that the LED lamp is not luminous daytime, the just luminous effect of timing of sound of turning on light has been arranged evening.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Accompanying drawing 1 is circuit block diagram of the present utility model.
Accompanying drawing 2 is circuit theory diagrams of the present utility model.
Embodiment
Shown in accompanying drawing,: a kind of isolated power LED acousto-optic lamp is by lamp holder, rectification circuit, sound light control circuit, isolated constant-current source circuit, led array and organic lamp housing form, lamp holder is connected with external ac power source, and be connected in series cartridge fuse with the centre that is connected of live wire, connect piezo-resistance between live wire and the zero line, lamp holder is combined with organic lamp housing, rectification circuit is by diode D1～D4, fuse F1 and piezo-resistance R1 consist of, sound light control circuit is by resistance R 2～R8, photo resistance R16, electrochemical capacitor C1 and C4, capacitor C 2 and C3, diode D5 and D7, voltage stabilizing didoe D6, integrated IC1, triode Q1, controllable silicon SCR and microphone MIC consist of, and isolated constant-current source circuit is by electrochemical capacitor C5 and C10, capacitor C 6～C9, field effect transistor Q2, transformer T, diode D8～D10, integrated IC2 and resistance R 9～R15 consist of.
The D1 of the rectifier bridge that resistance R 2 and diode D1～D4 forms is connected contact and is connected with D3, and with led array, the positive pole of electrochemical capacitor C5, resistance R 9, R12, R13, coil N1 one end of capacitor C 7 and transformer T links to each other, the other end of resistance R 2 links to each other with diode D5, the other end of diode D5 links to each other with the negative pole end D2 of rectifier bridge and the contact of D4 by voltage stabilizing didoe D6, the positive pole of electrochemical capacitor C1 and diode D5 are connected contact and are connected with voltage stabilizing didoe D6, and respectively with resistance R 3～R6, capacitor C 2, the pin one 4 of integrated IC1 links to each other, the other end of resistance R 3 links to each other with microphone MIC with capacitor C 3, the negative pole of another termination rectifier bridge of microphone MIC, the other end of capacitor C 3 links to each other with the other end of resistance R 4 and the base stage of triode Q1, the other end of resistance R 5 links to each other with the collector electrode of the pin two of integrated IC1 with triode Q1, the other end of resistance R 6 links to each other with photo resistance R16 with the pin one of integrated IC1, the emitter of the other end of photo resistance R16 and triode Q1 is connected in the negative pole of rectifier bridge, the pin 3 of integrated IC1 and its pin 5 are connected with pin and are connected, its pin 4 by diode D7 respectively with pin 8, pin 9 and resistance R 8, the positive pole of electrochemical capacitor C4 connects, the negative pole of resistance R 8 and electrochemical capacitor C4 connects the negative pole of rectifier bridge, the pin one 0 of integrated IC1 and its pin one 2 are connected with pin one and are connected, its output pin one 1 is connected with the control utmost point of controllable silicon SCR by resistance R 7, the pin 7 of integrated IC1 connects the negative pole of rectifier bridge, the other end of resistance R 9 links to each other with the pin LN of resistance R 10 and integrated IC2, resistance R 11 links to each other with the pin CS of integrated IC2, capacitor C 6 links to each other with the pin COMP of integrated IC2, the pin ST of integrated IC2 and capacitor C 6, the grid of field effect transistor Q2 links to each other with the other end of resistance R 12, the pin OUT of integrated IC2 links to each other with the drain electrode of field effect transistor Q2, the pin Vcc of integrated IC2 links to each other with capacitor C 9 with the negative pole of diode D9, the pin FB of integrated IC2 links to each other with the tie point of resistance R 14 with resistance R 15, the other end of resistance R 14 is connected with the positive pole of diode D9 and coil N3 one end of transformer T, the anode of controllable silicon SCR respectively with the other end of the coil N3 of transformer T, resistance R 10, the other end of R11 and R15, capacitor C 6, the other end of C8 and C9, the pin GND of integrated IC2 is connected, the negative electrode of controllable silicon SCR is connected to the negative pole of rectifier bridge, the coil N1 other end of transformer T extremely links to each other with the drain-source of the positive pole of diode D8 and field effect transistor Q2, the negative pole of diode D8 is connected with the other end of the other end of R13 with capacitor C 7, coil N2 one end of transformer T links to each other with led array by diode D10, the coil N2 other end of the other end of led array and transformer T, electrochemical capacitor C10 is in parallel with led array.
During use, daytime, light was strong, photo resistance R16 resistance is little, whether no matter microphone MIC receive signal, the integrated IC1 output pin one 1 of sound light control circuit is low level, can't drive the controllable silicon SCR turning circuit by the control utmost point, led array is not luminous, a little less than the evening light, photo resistance R16 resistance is large, when microphone MIC does not receive signal, the integrated IC1 output pin one 1 of sound light control circuit is low level, still can't drive the controllable silicon SCR turning circuit by the control utmost point, led array is not luminous, when microphone MIC receives signal, through resistance R 3, after the amplifying circuit that R4 and triode Q1 form amplifies, input again among the integrated IC1 of sound light control circuit and further amplify, electrochemical capacitor C4 is charged through diode D7 from pin 4 outputs, when electrochemical capacitor C4 charging voltage reaches the gate circuit turnover voltage, the integrated IC1 output pin one 1 of acousto-optic controlled circuit becomes high level, drive the controllable silicon SCR conducting through resistance R 7 by the control utmost point, and then driving isolation formula constant-current source circuit makes led array luminous and begin regularly, at this moment, electrochemical capacitor C4 is by resistance R 8 discharges, when the voltage of electrochemical capacitor C4 is lower than threshold voltage, when the integrated IC1 output of acousto-optic controlled circuit becomes low level, the controllable silicon SCR cut-off, led array stops luminous, regularly finish, realized that the LED lamp is not luminous daytime, the just luminous effect of timing of sound of turning on light is arranged evening.
The above; execution mode only is that preferred implementation of the present utility model is described; be not that scope of the present utility model is limited; under the prerequisite of the spirit that does not break away from the utility model technology; various distortion and improvement that this area engineers and technicians make the technical solution of the utility model all should fall in the definite protection range of claims of the present utility model.
Claims (2)
1. isolated power LED acousto-optic lamp, it is characterized in that: described isolated power LED acousto-optic lamp is comprised of lamp holder, rectification circuit, sound light control circuit, isolated constant-current source circuit, led array and organic lamp housing.
2. a kind of isolated power LED acousto-optic lamp according to claim 1, it is characterized in that: described sound light control circuit is made of resistance R 2～R8, photo resistance R16, electrochemical capacitor C1 and C4, capacitor C 2 and C3, diode D5 and D7, voltage stabilizing didoe D6, integrated IC1, triode Q1, controllable silicon SCR and microphone MIC, and described isolated constant-current source circuit is made of electrochemical capacitor C5 and C10, capacitor C 6～C9, field effect transistor Q2, transformer T, diode D8～D10, integrated IC2 and resistance R 9～R15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555585 CN202841655U (en) | 2012-10-29 | 2012-10-29 | Isolated power supply LED acousto-optic lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555585 CN202841655U (en) | 2012-10-29 | 2012-10-29 | Isolated power supply LED acousto-optic lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841655U true CN202841655U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220555585 Expired - Fee Related CN202841655U (en) | 2012-10-29 | 2012-10-29 | Isolated power supply LED acousto-optic lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202841655U (en) |
-
2012
- 2012-10-29 CN CN 201220555585 patent/CN202841655U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20131029 |