CN201639559U - Sound-control light-indication hand switch - Google Patents
Sound-control light-indication hand switch Download PDFInfo
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- CN201639559U CN201639559U CN2010201248088U CN201020124808U CN201639559U CN 201639559 U CN201639559 U CN 201639559U CN 2010201248088 U CN2010201248088 U CN 2010201248088U CN 201020124808 U CN201020124808 U CN 201020124808U CN 201639559 U CN201639559 U CN 201639559U
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Abstract
The utility model discloses a sound-control light-indication hand switch, relating to the field of electric appliances. The sound-control light-indication hand switch is formed by a handle switch K, full-bridge rectifiers D1-D4, a light emitting diode D, a triode T, a sound pick-up, a capacitor C and resistors R1, R2 and R3. The utility model has the advantages that the energy is saved, the circuit is simple, the hand switch can be used in dark places and the hand switch is suitable for illumination circuits in public passages of enterprises and public institutions and houses.
Description
Technical field
The utility model relates to appliance field, and particularly a kind of acoustic control light shows hand switch.
Background technology
In the prior art, some be used for light than details in a play not acted out on stage, but told through dialogues switch, for the display switch position, often adopt luminescent material to make switch panel, perhaps adopt audio-switch to come control circuit.Adopt the switch panel of luminescent materials, though need not consume energy during use, when being used for light than details in a play not acted out on stage, but told through dialogues institute for a long time, its luminous efficiency is lower, shows obvious inadequately.Adopt audio-switch to come control circuit, effect is fine, but its luminous displaing part divides long-term power consumption, and the circuit of existing audio-switch is more complicated all.
Summary of the invention
At the deficiency that existing product exists, technical problem to be solved in the utility model provide a kind of energy-conservation, circuit simple, can be used for light than the employed switch of details in a play not acted out on stage, but told through dialogues.
For solving the problems of the technologies described above, technical solution adopted in the utility model is that a kind of acoustic control light of design shows hand switch: comprise hand switch K and full-bridge rectifier D1-D4, also include light-emitting diode D, triode T, pick-up M and capacitor C and resistance R 1, R2 and R3; The cathode output end of full-bridge rectifier D1-D4 divides two-way, the collector electrode of one tunnel negative pole that connects light-emitting diode D successively, resistance R 1, triode T; Another road is divided into two again after connecting resistance R 2, pick-up M successively, the end of a connection capacitor C, and another connects resistance R 3 backs successively and is connected with the base stage of triode T; The cathode output end of full-bridge rectifier D1-D4 is connected with the emitter of triode T and the other end of capacitor C respectively; Hand switch K and electrical appliance S are connected in the alternating current circuit.
Acoustic control light of the present utility model shows hand switch, adopts that the acoustic control conducting shows, time-delay disconnects and extinguishing, and adds the mode of hand switch again, and display part no power at ordinary times is so more energy-conservation; Simultaneously, the The whole control circuit adopts pick-up moment conducting to charge and the trigger triode conducting, lights the mode that light-emitting diode shows, thereby its circuit is fairly simple, can be used for the darker place of light and uses.
Description of drawings
Accompanying drawing 1 is an electric principle schematic of the present utility model.
Among the figure: K is a hand switch, and S is electrical appliance (electric light), and D1-D4 is a full-bridge rectifier, and D is a light-emitting diode, and T is a triode, and M is a pick-up, and C is a capacitor, and R1, R2 and R3 are resistance.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Present embodiment is made of hand switch K, full-bridge rectifier D1-D4, light-emitting diode D, triode T, pick-up M and capacitor C and resistance R 1, R2 and R3.
The end of hand switch K is connected with the phase line in the alternating current circuit, and its other end is connected with electrical appliance S, is connected with zero line in the alternating current circuit thereafter.The positive pole of full-bridge rectifier D1-D4 input connects the phase line in the alternating current circuit, and its negative pole connects the zero line in the alternating current circuit; The positive pole of full-bridge rectifier D1-D4 output divides two-way, the collector electrode of one tunnel negative pole that connects light-emitting diode D successively, resistance R 1, triode T, and another road connects resistance R 2, pick-up M successively; To pick-up M, be divided into two again, the end of a connection capacitor C, another connects resistance R 3 backs successively and is connected with the base stage of triode T; The negative pole of full-bridge rectifier D1-D4 output is connected with the emitter of triode T and the other end of capacitor C respectively.
When quiet, the cathode voltage of full-bridge rectifier D1-D4 output, pass through negative pole and the resistance R 1 of light-emitting diode D on the one hand, be applied on the collector electrode of triode T, another road is applied on the pick-up M by resistance R 2, owing to pick-up M does not disconnect when having sounds trigger, thereby, the base stage of triode T does not have voltage, so triode T disconnects.When the sound that sends as people reaches the decibel value that pick-up M sets, pick-up M conducting, be applied to the cathode voltage on the pick-up M this moment, on the one hand capacitor C is charged, by after the resistance R 3, be applied on the base stage of triode T on the other hand, touch and make triode T conducting, thereby make light-emitting diode D conducting, carry out luminous demonstration.Because the sound that people send is a period of time, so pick-up M conducting promptly disconnects after a period of time voluntarily, at this moment, fully charged capacitor C is again by resistance R 3 discharges, thereby continue base stage power supply, so that keep light-emitting diode D time-delay conducting and luminous demonstration to triode T.In this time-delay process, people can find hand switch K easily, open it, and allow electrical appliance S (electric light) switch on.When capacitor C discharge off, the outage of the base stage of triode T, thus make triode T disconnect, light-emitting diode D outage, luminous demonstration are extinguished.
Claims (1)
1. an acoustic control light shows hand switch, comprises hand switch K and full-bridge rectifier D1-D4, it is characterized in that: also include light-emitting diode D, triode T, pick-up M and capacitor C and resistance R 1, R2 and R3; The cathode output end of full-bridge rectifier D1-D4 divides two-way, the collector electrode of one tunnel negative pole that connects light-emitting diode D successively, resistance R 1, triode T; Another road is divided into two again after connecting resistance R 2, pick-up M successively, the end of a connection capacitor C, and another connects resistance R 3 backs successively and is connected with the base stage of triode T; The cathode output end of full-bridge rectifier D1-D4 is connected with the emitter of triode T and the other end of capacitor C respectively; Hand switch K and electrical appliance S are connected in the alternating current circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201248088U CN201639559U (en) | 2010-02-24 | 2010-02-24 | Sound-control light-indication hand switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201248088U CN201639559U (en) | 2010-02-24 | 2010-02-24 | Sound-control light-indication hand switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201639559U true CN201639559U (en) | 2010-11-17 |
Family
ID=43084065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201248088U Expired - Fee Related CN201639559U (en) | 2010-02-24 | 2010-02-24 | Sound-control light-indication hand switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201639559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287739A (en) * | 2011-07-11 | 2011-12-21 | 周必忠 | Semiconductor energy-saving lamp |
-
2010
- 2010-02-24 CN CN2010201248088U patent/CN201639559U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287739A (en) * | 2011-07-11 | 2011-12-21 | 周必忠 | Semiconductor energy-saving lamp |
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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: 20101117 Termination date: 20120224 |