CN204598388U - A kind of sound controlled LED light illumination control circuit - Google Patents
A kind of sound controlled LED light illumination control circuit Download PDFInfo
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- CN204598388U CN204598388U CN201520237737.5U CN201520237737U CN204598388U CN 204598388 U CN204598388 U CN 204598388U CN 201520237737 U CN201520237737 U CN 201520237737U CN 204598388 U CN204598388 U CN 204598388U
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- control circuit
- triode
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- led light
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Abstract
The utility model discloses a kind of sound controlled LED light illumination control circuit, comprise power circuit, sound control circuit, delay control circuit and LED, sound control circuit comprises microphone BM, first triode Q1, second triode Q2, one end of microphone BM is connected with the negative pole of rectifier diode VD2 by resistance R1, also be connected with the base stage of the first triode Q1 by electric capacity C1, the collector electrode of the first triode Q1 is connected with the base stage of the second triode Q2, the collector electrode of the second triode Q2 is connected with the negative pole of rectifier diode VD2 by resistance R4, first triode Q1, the base stage of the second triode Q2 is also respectively equipped with the first biasing resistor R2, second biasing resistor R3, the collector electrode of the second triode Q2 is as the output of sound control circuit, sound control circuit is connected with LED by delay control circuit.The utility model circuit is simple, with low cost, has a good application prospect.
Description
Technical field
The utility model relates to a kind of sound controlled LED light illumination control circuit, belongs to intelligent lighting technical field.
Background technology
Along with the fast development of modern intelligent building, the importance that Intelligent LED lighting controls is more and more obvious, compared with traditional be main lighting control mode by switching value, Non-follow control, there is energy-conserving and environment-protective, safety and stability, use problem flexibly.Sound control circuit in Intelligent LED lighting control circuit, for night corridor, night road, but existing sound control circuit, circuit more complicated, cost is higher, inhibits the extensive popularization of Intelligent LED lighting circuit.
Utility model content
The technical problem that the utility model solves is existing sound control circuit, circuit more complicated, and cost is higher, inhibits the problem of the extensive popularization of Intelligent LED lighting circuit.Sound controlled LED light illumination control circuit of the present utility model, circuit is simple, with low cost, controls highly sensitive, is convenient to batch production, has a good application prospect.
To achieve the above object, the technical scheme that adopts of the utility model is as follows:
A kind of sound controlled LED light illumination control circuit, it is characterized in that: comprise power circuit, sound control circuit, delay control circuit and LED, described power circuit comprises pressure unit, voltage stabilizing didoe VD1 and rectifier diode VD2, the positive pole of the external civil power in front end of described pressure unit, the rear end of described pressure unit is connected with the negative pole of voltage stabilizing didoe VD1, the positive pole of rectifier diode VD2 respectively, the described positive pole of voltage stabilizing didoe VD1 is connected with the negative pole of civil power, the negative pole of described rectifier diode VD2 is the positive output end of power circuit
Described sound control circuit comprises microphone BM, first triode Q1, second triode Q2, one end of described microphone BM is connected with the negative pole of rectifier diode VD2 by resistance R1, also be connected with the base stage of the first triode Q1 by electric capacity C1, the collector electrode of described first triode Q1 is connected with the base stage of the second triode Q2, the collector electrode of described second triode Q2 is connected with the negative pole of rectifier diode VD2 by resistance R4, described first triode Q1, the base stage of the second triode Q2 is also respectively equipped with the first biasing resistor R2, second biasing resistor R3, the other end of described microphone BM, the emitter of the first triode Q1, the emitter of the second triode Q2 is connected to the ground and connects, the collector electrode of described second triode Q2 is as the output of sound control circuit,
Described delay control circuit comprises time-base integrated circuit U1, thyristor VS, and the described input of time-base integrated circuit U1 is connected with the output of sound control circuit, and the output of described time-base integrated circuit U1 is connected with LED by thyristor VS.
Aforesaid a kind of sound controlled LED light illumination control circuit, is characterized in that: described pressure unit comprises resistance R7, electric capacity C2, and described resistance R7, electric capacity C2 are in parallel.
Aforesaid a kind of sound controlled LED light illumination control circuit, it is characterized in that: described power circuit also comprises filter circuit C3, described filter circuit C3 is connected to the rear end of rectifier diode VD2.
Aforesaid a kind of sound controlled LED light illumination control circuit, is characterized in that: described time-base integrated circuit U1 is NE555 integrated chip.
Aforesaid a kind of sound controlled LED light illumination control circuit, it is characterized in that: described NE555 integrated chip is also connected with timing circuit, described timing circuit comprises resistance R5, electric capacity C4, described resistance R5 is connected with the 7th pin of NE555 integrated chip, and described electric capacity C4 is connected with the 2nd pin of NE555 integrated chip.
Aforesaid a kind of sound controlled LED light illumination control circuit, is characterized in that: be provided with current-limiting resistance R6 between the output of described NE555 integrated chip and thyristor VS.
Aforesaid a kind of sound controlled LED light illumination control circuit, is characterized in that: the positive pole of described civil power is also in series with switch S.
The beneficial effects of the utility model are: sound controlled LED light illumination control circuit of the present utility model, and circuit is simple, with low cost, controls highly sensitive, are convenient to batch production, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of sound controlled LED light illumination control circuit of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Fig. 1, a kind of sound controlled LED light illumination control circuit, comprise power circuit, sound control circuit, delay control circuit and LED, described power circuit comprises pressure unit, voltage stabilizing didoe VD1 and rectifier diode VD2, the positive pole of the external civil power in front end of described pressure unit, the rear end of described pressure unit respectively with the negative pole of voltage stabilizing didoe VD1, the positive pole of rectifier diode VD2 is connected, the described positive pole of voltage stabilizing didoe VD1 is connected with the negative pole of civil power, the positive pole of civil power is also in series with switch S, the negative pole of described rectifier diode VD2 is the positive output end of power circuit, pressure unit comprises resistance R7, electric capacity C2, described resistance R7, electric capacity C2 is in parallel, power circuit also comprises filter circuit C3, described filter circuit C3 is connected to the rear end of rectifier diode VD2,
Described sound control circuit comprises microphone BM, first triode Q1, second triode Q2, one end of microphone BM is connected with the negative pole of rectifier diode VD2 by resistance R1, also be connected with the base stage of the first triode Q1 by electric capacity C1, the collector electrode of the first triode Q1 is connected with the base stage of the second triode Q2, the collector electrode of the second triode Q2 is connected with the negative pole of rectifier diode VD2 by resistance R4, first triode Q1, the base stage of the second triode Q2 is also respectively equipped with the first biasing resistor R2, second biasing resistor R3, the other end of microphone BM, the emitter of the first triode Q1, the emitter of the second triode Q2 is connected to the ground and connects, the collector electrode of the second triode Q2 is as the output of sound control circuit,
Described delay control circuit comprises time-base integrated circuit U1, thyristor VS, and the described input of time-base integrated circuit U1 is connected with the output of sound control circuit, and the output of described time-base integrated circuit U1 is connected with LED by thyristor VS.
Described time-base integrated circuit U1 is NE555 integrated chip, NE555 integrated chip is also connected with timing circuit, described timing circuit comprises resistance R5, electric capacity C4, described resistance R5 is connected with the 7th pin of NE555 integrated chip, described electric capacity C4 is connected with the 2nd pin of NE555 integrated chip, the size of regulating resistance R5, electric capacity C4, adjustable extends the time.
Current-limiting resistance R6 is provided with between the output of described NE555 integrated chip and thyristor VS.
Sound controlled LED light illumination control circuit operation principle of the present utility model is, after pressing switch S energising, when without burst of sound, 2nd pin of NE555 integrated chip is high level, the output output low level of NE555 integrated chip, thyristor VS is in cut-off state, and LED does not work, when there being burst of sound, this sound is converted to voltage signal through microphone BM, through the first triode Q1, after second triode Q2 amplifies, be input to the 2nd pin of NE555 integrated chip, circuit reversion in NE555 integrated chip, the output of NE555 integrated chip exports high level, thyristor VS is in conducting state, LED lights, electric capacity C4 is after the repid discharge of NE555 integrated chip simultaneously, capacitance increases, resistance R5 slowly charges to electric capacity C4, form delay time, NE555 integrated chip is after time delay, the output output low level of NE555 integrated chip, thyristor VS is in cut-off state, LED is extinguished, complete acoustic control process.
In sum, sound controlled LED light illumination control circuit of the present utility model, circuit is simple, with low cost, controls highly sensitive, is convenient to batch production, has a good application prospect.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a sound controlled LED light illumination control circuit, it is characterized in that: comprise power circuit, sound control circuit, delay control circuit and LED, described power circuit comprises pressure unit, voltage stabilizing didoe VD1 and rectifier diode VD2, the positive pole of the external civil power in front end of described pressure unit, the rear end of described pressure unit is connected with the negative pole of voltage stabilizing didoe VD1, the positive pole of rectifier diode VD2 respectively, the described positive pole of voltage stabilizing didoe VD1 is connected with the negative pole of civil power, the negative pole of described rectifier diode VD2 is the positive output end of power circuit
Described sound control circuit comprises microphone BM, first triode Q1, second triode Q2, one end of described microphone BM is connected with the negative pole of rectifier diode VD2 by resistance R1, also be connected with the base stage of the first triode Q1 by electric capacity C1, the collector electrode of described first triode Q1 is connected with the base stage of the second triode Q2, the collector electrode of described second triode Q2 is connected with the negative pole of rectifier diode VD2 by resistance R4, described first triode Q1, the base stage of the second triode Q2 is also respectively equipped with the first biasing resistor R2, second biasing resistor R3, the other end of described microphone BM, the emitter of the first triode Q1, the emitter of the second triode Q2 is connected to the ground and connects, the collector electrode of described second triode Q2 is as the output of sound control circuit,
Described delay control circuit comprises time-base integrated circuit U1, thyristor VS, and the described input of time-base integrated circuit U1 is connected with the output of sound control circuit, and the output of described time-base integrated circuit U1 is connected with LED by thyristor VS.
2. a kind of sound controlled LED light illumination control circuit according to claim 1, it is characterized in that: described pressure unit comprises resistance R7, electric capacity C2, described resistance R7, electric capacity C2 are in parallel.
3. a kind of sound controlled LED light illumination control circuit according to claim 1, it is characterized in that: described power circuit also comprises filter circuit C3, described filter circuit C3 is connected to the rear end of rectifier diode VD2.
4. a kind of sound controlled LED light illumination control circuit according to claim 1, is characterized in that: described time-base integrated circuit U1 is NE555 integrated chip.
5. a kind of sound controlled LED light illumination control circuit according to claim 4, it is characterized in that: described NE555 integrated chip is also connected with timing circuit, described timing circuit comprises resistance R5, electric capacity C4, described resistance R5 is connected with the 7th pin of NE555 integrated chip, and described electric capacity C4 is connected with the 2nd pin of NE555 integrated chip.
6. a kind of sound controlled LED light illumination control circuit according to claim 4, is characterized in that: be provided with current-limiting resistance R6 between the output of described NE555 integrated chip and thyristor VS.
7. a kind of sound controlled LED light illumination control circuit according to claim 1, is characterized in that: the positive pole of described civil power is also in series with switch S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237737.5U CN204598388U (en) | 2015-04-20 | 2015-04-20 | A kind of sound controlled LED light illumination control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237737.5U CN204598388U (en) | 2015-04-20 | 2015-04-20 | A kind of sound controlled LED light illumination control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204598388U true CN204598388U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520237737.5U Expired - Fee Related CN204598388U (en) | 2015-04-20 | 2015-04-20 | A kind of sound controlled LED light illumination control circuit |
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| CN (1) | CN204598388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768304A (en) * | 2015-04-20 | 2015-07-08 | 苏州汉瑞森光电科技有限公司 | Voice control LED lamp illumination control circuit |
| CN105407612A (en) * | 2015-12-16 | 2016-03-16 | 黄月华 | Integrative sound control time-delay road lamp |
-
2015
- 2015-04-20 CN CN201520237737.5U patent/CN204598388U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768304A (en) * | 2015-04-20 | 2015-07-08 | 苏州汉瑞森光电科技有限公司 | Voice control LED lamp illumination control circuit |
| CN105407612A (en) * | 2015-12-16 | 2016-03-16 | 黄月华 | Integrative sound control time-delay road lamp |
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| Date | Code | Title | Description |
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| 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: 20150826 Termination date: 20170420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |