CN2098124U - Sound and light control switch - Google Patents
Sound and light control switch Download PDFInfo
- Publication number
- CN2098124U CN2098124U CN 91217319 CN91217319U CN2098124U CN 2098124 U CN2098124 U CN 2098124U CN 91217319 CN91217319 CN 91217319 CN 91217319 U CN91217319 U CN 91217319U CN 2098124 U CN2098124 U CN 2098124U
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- circuit
- resistance
- capacitor
- triode
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Abstract
The utility model relates to a sound and light control switch, comprising a sound-light control circuit, a time delay circuit, a controlled silicon switch circuit, etc. The utility model adopts a discrete element, and the circuit is simple. Thereby, the disadvantages of the exiting sound and light control switch in which the cost is high and the volume is big, etc., are overcome. The sound and light control switch is an ideal illuminating switch for the household and public places.
Description
The utility model relates to a kind of switching device, belongs to the electronic switch of acousto-optic control.
Advantage such as the electronic switch of acoustic current photocontrol is easy to use with it, dependable performance, power savings are good is brought into use in some public places and family.Existing Sound and light control switch generally has two kinds: a kind of have a transformer, and another kind is a transless, adopts integrated circuit, is 87203806 photoacoustic dual-controlled time-delay energy-saving illumination switch as the patent No..The former since shortcomings such as its complex structure, volume are big, cost height often seldom be used; Though latter's volume is little, and is simple in structure, power savings is good, and function is more complete, and cost is higher.
The utility model purpose provides a kind of employing separating component, and circuit is simple, the Sound and light control switch of dependable performance.
The utility model mainly is made up of circuit such as acousto-optic control, time-delay, reverse-blocking tetrode thyristor, rectifying and voltage-stabilizings.The acousto-optic control circuit is made up of two transistors, a pick-up MIC, a photo resistance, the change in resistance signal of the signal of pick-up and photo resistance provides bias voltage through an electric capacity to the base stage of another triode after can together amplifying through a triode.Control the conducting of this triode or end, the collector electrode of this triode links to each other with the base stage of above-mentioned amplifying triode again, and the current collection of amplifying triode is signal output part very.As voice signal, and photo resistance is when being in the resistance in the dark value, and voice signal is become the signal of telecommunication by pick-up MIC, after amplifier tube amplifies, make another triode conducting, amplifier tube ends, high level of acousto-optic control circuit signal output part output this moment makes subordinate's delay circuit work.When photo resistance was in bright resistance, voice signal can not be exaggerated, so the sound light control circuit signal output part does not have high level output.
Delay circuit is made up of two triodes, a charging capacitor, a diode, two resistance, an electric capacity, one of them triode is when receiving the high level of acousto-optic control circuit signal output part, become conducting by ending, the conducting of this triode makes the charging capacitor charging that is connected on its emitter again; Another control transistor base voltage-sensitive is in the voltage of charging capacitor simultaneously, and when electric capacity charged, this controlled triode conducting, and its emitter has voltage signal, and this voltage signal triggers controllable silicon work.After above-mentioned sound control circuit stopped the output HIGH voltage signal, the voltage of charging capacitor was kept the conducting of control triode, and when charging voltage was not enough to keep its conducting, controllable silicon turn-offed.
The reverse-blocking tetrode thyristor circuit is made up of four diodes and a controllable silicon, and wherein four diodes are connected into bridge circuit, and the bridge circuit input is serially connected in the electricity consumption loop, and the output of bridge circuit is connected to an above-mentioned controllable silicon as switch.
Filter circuit of pressure-stabilizing is made up of a resistance, a light-emitting diode, a voltage stabilizing didoe, a filter capacitor, above-mentioned resistance and light-emitting diode and voltage stabilizing didoe and filter capacitor also take back the output that the road together is serially connected in above-mentioned bridge circuit, the voltage stabilizing didoe two ends are dc power output end, provide DC power supply to above-mentioned acousto-optic control, delay circuit.
The utlity model has that circuit is simple, cost is low and advantage such as good operating stability, and be easy to install.
The drawing explanation: accompanying drawing is circuit embodiments figure of the present utility model.
Embodiment: the reverse-blocking tetrode thyristor circuit comprises a bridge rectifier (D
1-4) and a controllable silicon.The input of above-mentioned bridge rectifier is serially connected in the current supply circuit, is connected to a controllable silicon SCR between the output.
The acousto-optic control circuit comprises two transistor BG
1, BG
2Circuit, a pick-up MIC, a photo resistance etc.Amplifying triode BG wherein
2Collector electrode, emitter is powered by filter circuit of pressure-stabilizing; Be connected to pick-up MIC and capacitor C between its base stage and the emitter
3The serial connection branch road; Collector load resistor R
4Connect and meet a photo resistance R between dc power supply terminal and the base stage
11And resistance R
5The polyphone branch road; Above-mentioned MIC and C
3Link with being connected to a resistance R between the filter circuit of pressure-stabilizing positive output end
7Above-mentioned amplifying triode BG
2Collector electrode is respectively by a resistance R
6With a capacitor C
4With another triode BG
1Collector electrode link to each other with base stage; Amplifying triode BG
2Collector electrode is the signal output part of sound light control circuit.
Delay circuit comprises two transistor circuit, a diode D
6, a charging capacitor C
2Deng.Triode BG wherein
3Base stage connect above-mentioned acousto-optic control circuit output; The current collection collection connects the anode of filter circuit of pressure-stabilizing; Emitter is by a diode D
6With a resistance R
3With another control triode BG
4Base stage link to each other; At above-mentioned diode D
6Connecting resistance R
3Be connected to a charging capacitor C between the negative pole of end (negative pole) and filter circuit of pressure-stabilizing
2Above-mentioned control triode BG
4Collector electrode directly connects the filter circuit of pressure-stabilizing positive output end, and emitter is by a resistance R
2And capacitor C
1Serial connection branch road and filter circuit negative pole join; Resistance R
2Connect capacitor C
1End joins with the control utmost point G of the controllable silicon SCR of above-mentioned reverse-blocking tetrode thyristor circuit.
Filter circuit of pressure-stabilizing comprises a resistance R
1, a light-emitting diode D
5, a voltage-stabiliser tube D
7, a filter capacitor C
5Above-mentioned resistance R
1With light-emitting diode D
5With voltage stabilizing didoe D
7With filter capacitor C
5And take back two outputs that the road together is serially connected in bridge rectifier, voltage stabilizing didoe D
7Two ends be dc power output end.
Capacitor C in this switching device
3, resistance R
7Can require to select its parameter according to sound controling sensitivity.K among the embodiment is a hand switch.
Claims (1)
- A kind of Sound and light control switch device that comprises sound light control circuit, delay circuit, reverse-blocking tetrode thyristor circuit, regulator rectifier circuit is characterized in that:A, acousto-optic control circuit comprise two transistor BG 1, BG 2Circuit, pick-up MIC, a photo resistance R 11One of them triode BG 2Be amplifying triode, be connected to pick-up MIC and a capacitor C between its base stage and the emitter 3The serial connection branch road, collector load resistor R 4Connect and meet a photo resistance R between dc power supply terminal and its base stage 11And resistance R 5The serial connection branch road; Above-mentioned pick-up MIC and capacitor C 3Link by a resistance R 7Join with the DC power supply positive output end; Above-mentioned amplifying triode BG 2Collector electrode is respectively by a resistance R 6With a capacitor C 4With another triode BG 1Collector electrode and base stage are joined; Amplifying triode BG 2Collector electrode is the signal output part of sound light control circuit;B, delay circuit comprise two transistor circuit, a diode D 6, a charging capacitor C 2Triode BG wherein 3Base stage connect above-mentioned sound light control circuit output; Collector electrode connects the DC power supply anode, and emitter is by a diode D 6With a resistance R 3With another control triode BG 4Base stage join; At above-mentioned diode D 6Connecting resistance R 3Be connected to a charging capacitor C between the negative pole of end (negative pole) and DC power supply 2Above-mentioned control triode BG 4Collector electrode connects the DC power supply anode, and emitter is by a resistance R 2And capacitor C 1Serial connection branch road and dc power cathode join; Resistance R 2Connect capacitor C 1End joins with the control utmost point G of reverse-blocking tetrode thyristor;C, reverse-blocking tetrode thyristor circuit comprise a bridge rectifier (D 1-4) and a controllable silicon; The input of bridge rectifier is serially connected in the current supply circuit, is connected to above-mentioned controllable silicon SCR between the output;D, filter circuit of pressure-stabilizing are resistance R by one 1, a light-emitting diode D 5, a voltage-stabiliser tube D 7With a filter capacitor C 5Form, wherein resistance R 1With light-emitting diode D 5With voltage stabilizing didoe D 7With filter capacitor C 5And take back the road and together be serially connected in the bridge rectifier output, voltage stabilizing didoe D 7Two ends are dc power output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91217319 CN2098124U (en) | 1991-07-05 | 1991-07-05 | Sound and light control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91217319 CN2098124U (en) | 1991-07-05 | 1991-07-05 | Sound and light control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2098124U true CN2098124U (en) | 1992-03-04 |
Family
ID=4925018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91217319 Granted CN2098124U (en) | 1991-07-05 | 1991-07-05 | Sound and light control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2098124U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347754A (en) * | 2010-08-03 | 2012-02-08 | 黄华道 | Light control switch circuit |
| CN103369791A (en) * | 2013-07-05 | 2013-10-23 | 无锡商业职业技术学院 | Sound and light control energy saving lamp |
| CN105142295A (en) * | 2015-09-21 | 2015-12-09 | 成都市宏山科技有限公司 | Lamplight control device |
| CN105142296A (en) * | 2015-09-21 | 2015-12-09 | 成都市宏山科技有限公司 | Adaptive lamplight brightness regulator |
| CN104065364B (en) * | 2014-06-25 | 2017-05-03 | 浙江帅康电气股份有限公司 | Intelligent keyboard switch and kitchen ventilator with keyboard switch |
-
1991
- 1991-07-05 CN CN 91217319 patent/CN2098124U/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347754A (en) * | 2010-08-03 | 2012-02-08 | 黄华道 | Light control switch circuit |
| CN102347754B (en) * | 2010-08-03 | 2013-07-24 | 黄华道 | Light control switch circuit |
| CN103369791A (en) * | 2013-07-05 | 2013-10-23 | 无锡商业职业技术学院 | Sound and light control energy saving lamp |
| CN104065364B (en) * | 2014-06-25 | 2017-05-03 | 浙江帅康电气股份有限公司 | Intelligent keyboard switch and kitchen ventilator with keyboard switch |
| CN105142295A (en) * | 2015-09-21 | 2015-12-09 | 成都市宏山科技有限公司 | Lamplight control device |
| CN105142296A (en) * | 2015-09-21 | 2015-12-09 | 成都市宏山科技有限公司 | Adaptive lamplight brightness regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |