CN204759637U - Acoustic control doorbell circuit - Google Patents
Acoustic control doorbell circuit Download PDFInfo
- Publication number
- CN204759637U CN204759637U CN201520357037.XU CN201520357037U CN204759637U CN 204759637 U CN204759637 U CN 204759637U CN 201520357037 U CN201520357037 U CN 201520357037U CN 204759637 U CN204759637 U CN 204759637U
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- CN
- China
- Prior art keywords
- triode
- accumulator
- acoustic control
- slide rheostat
- control doorbell
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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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Abstract
The utility model discloses an acoustic control doorbell circuit, including a storage battery, it is first, and secondly, the third triode, slide rheostat and speaker, the positive pole of battery is held with slide rheostat's regulation respectively, the projecting pole of first triode is connected, slide rheostat is connected with the base of second triode, the collecting electrode of second triode is connected through the positive pole of resistance with the battery, the collecting electrode of second triode still is connected through the base of resistance with the third triode, the projecting pole of second triode and the one end of speaker, the collecting electrode of first triode is connected jointly, the collecting electrode of third triode is connected with the base of first triode, the projecting pole of third triode, the common negative pole with the battery of the other end of speaker is connected, still include piezoelectricity vibrating generator, a rectifying filter circuit, and is used for charging the batter. The utility model discloses it is energy -concerving and environment -protective, the easy realization, low cost, the batch production of being convenient for has good application prospect.
Description
Technical field
The utility model relates to a kind of acoustic control doorbell circuit, belongs to Domestic electronic product.
Background technology
At present, there is the doorbell circuit be arranged on door on the market, be all the electronic door bell of button switch type substantially, and switch is arranged on more significant position, be convenient to press doorbell aloud, if light is not good or at night, it is not too convenient to use, and, existing doorbell circuit many employings button cell is powered, need periodic replacement, cumbersome, inadequate energy-conserving and environment-protective.
Utility model content
The technical matters that the utility model solves is the doorbell circuit overcoming prior art is the electronic door bell of push button, and switch is arranged on more significant position, be convenient to press doorbell aloud, if light is not good or at night, it is not too convenient to use, and need to regularly replace battery, waste time and energy, the problem of inadequate energy-conserving and environment-protective.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of acoustic control doorbell circuit, it is characterized in that: comprise accumulator G1, first triode Q1, second triode Q2, 3rd triode Q3, slide rheostat RP and loudspeaker S, the positive pole of described accumulator G1 respectively with the adjustable side of slide rheostat RP, the emitter of the first triode Q1 is connected, one end of described slide rheostat RP is connected with its adjustable side, the other end of described slide rheostat RP is connected with the base stage of the second triode Q2, the collector of described second triode Q2 is connected with the positive pole of accumulator G1 by resistance R1, the collector of described second triode Q2 is also connected with the base stage of the 3rd triode Q3 by resistance R2, the described emitter of the second triode Q2 and one end of loudspeaker S, the collector of the first triode Q1 connects jointly, the collector of described 3rd triode Q3 is connected with the base stage of the first triode Q1, the emitter of described 3rd triode Q3, the other end of loudspeaker S is connected with the negative pole of accumulator G1 jointly, the emitter of described second triode Q2 is also connected with the base stage of the 3rd triode Q3 by electric capacity C2.
Aforesaid acoustic control doorbell circuit, it is characterized in that: also comprise piezoelectric vibration formula generator, current rectifying and wave filtering circuit, described piezoelectric vibration formula generator is arranged on door leaf, the electric energy output end of described piezoelectric vibration formula generator is connected with accumulator G1 by current rectifying and wave filtering circuit, charges for accumulators G1.
Aforesaid acoustic control doorbell circuit, is characterized in that: be parallel with filter capacitor C1 between the positive and negative electrode of described accumulator G1.
Aforesaid acoustic control doorbell circuit, is characterized in that: the positive pole of described accumulator G1 is in series with light emitting diode D1.
Aforesaid acoustic control doorbell circuit, is characterized in that: the voltage of described accumulator G1 is 5V.
Aforesaid acoustic control doorbell circuit, is characterized in that: described first triode Q1 is PNP type triode, and described second triode Q2, the 3rd triode Q3 are NPN triode.
The beneficial effects of the utility model are: the acoustic control doorbell circuit that the utility model provides, adopt acoustic control, easy to use, be more suitable for night or light bad when use, and be provided with electric oscillation formula generator, current rectifying and wave filtering circuit charges a battery, energy-conserving and environment-protective, without the need to regularly replacing battery, easy to use, easy realization, with low cost, be convenient to batch production, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of acoustic control doorbell circuit of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of acoustic control doorbell circuit, it is characterized in that: comprise accumulator G1, first triode Q1, second triode Q2, 3rd triode Q3, slide rheostat RP and loudspeaker S, the positive pole of accumulator G1 respectively with the adjustable side of slide rheostat RP, the emitter of the first triode Q1 is connected, one end of slide rheostat RP is connected with its adjustable side, the other end of slide rheostat RP is connected with the base stage of the second triode Q2, the collector of the second triode Q2 is connected with the positive pole of accumulator G1 by resistance R1, the collector of the second triode Q2 is also connected with the base stage of the 3rd triode Q3 by resistance R2, the emitter of the second triode Q2 and one end of loudspeaker S, the collector of the first triode Q1 connects jointly, the collector of the 3rd triode Q3 is connected with the base stage of the first triode Q1, the emitter of the 3rd triode Q3, the other end of loudspeaker S is connected with the negative pole of accumulator G1 jointly, the emitter of the second triode Q2 is also connected with the base stage of the 3rd triode Q3 by electric capacity C2.
The utility model also comprises piezoelectric vibration formula generator, current rectifying and wave filtering circuit, piezoelectric vibration formula generator is arranged on door leaf, the electric energy output end of piezoelectric vibration formula generator is connected with accumulator G1 by current rectifying and wave filtering circuit, charge for accumulators G1, when switch door leaf, during sounding vibration, all energy of vibration can be converted to electric energy accumulators G1 and charge, energy-conserving and environment-protective.
Be parallel with filter capacitor C1 between the positive and negative electrode of described accumulator G1, the positive pole of described accumulator G1 is in series with light emitting diode D1, and when lighting, remind voltage normal, the voltage of accumulator G1 is 5V.
Described first triode Q1 is PNP type triode, and the second triode Q2, the 3rd triode Q3 are NPN triode.
Acoustic control doorbell circuit of the present utility model, guest only need kowtow gate, loudspeaker just can sounding, principle of work is as follows, second triode Q2, slide rheostat RP and electric capacity C2 composition control circuit, first triode Q1, the 3rd triode Q3, resistance R2, filter capacitor C1 form complementary oscillator, accumulator G1 ties through the BE of electric capacity C2, the second triode Q2 and loudspeaker S charges to electric capacity C2, larger momentary charge electric current makes the second triode Q2 saturation conduction, the collector potential of strangulation the 3rd triode Q3; After electric capacity C2 charging terminates, provide base current to maintain the critical statisfaction state of the second triode Q2 to the second triode Q2 through slide rheostat RP, oscillator is not worked.When after extraneous sounding, during the cone of acoustic vibration loudspeaker S, the two ends of loudspeaker produce induced voltage, this voltage is added in the emitter of the second triode Q2, the second triode Q2 is made to exit critical statisfaction district and enter amplification region, the collection of the second triode Q2---between emitter-base bandgap grading, pressure drop increases, thus makes oscillator vibrates, loudspeaker S sends audio frequency cry, thus realizes acoustic control.
In sum, acoustic control doorbell circuit of the present utility model, adopts acoustic control, easy to use, be more suitable for night or light bad when use, and be provided with electric oscillation formula generator, current rectifying and wave filtering circuit charges a battery, energy-conserving and environment-protective, without the need to regularly replacing battery, easy to use, easily realize, with low cost, be convenient to batch production, have a good application prospect.
More than show and describe ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions 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 (6)
1. an acoustic control doorbell circuit, it is characterized in that: comprise accumulator G1, first triode Q1, second triode Q2, 3rd triode Q3, slide rheostat RP and loudspeaker S, the positive pole of described accumulator G1 respectively with the adjustable side of slide rheostat RP, the emitter of the first triode Q1 is connected, one end of described slide rheostat RP is connected with its adjustable side, the other end of described slide rheostat RP is connected with the base stage of the second triode Q2, the collector of described second triode Q2 is connected with the positive pole of accumulator G1 by resistance R1, the collector of described second triode Q2 is also connected with the base stage of the 3rd triode Q3 by resistance R2, the described emitter of the second triode Q2 and one end of loudspeaker S, the collector of the first triode Q1 connects jointly, the collector of described 3rd triode Q3 is connected with the base stage of the first triode Q1, the emitter of described 3rd triode Q3, the other end of loudspeaker S is connected with the negative pole of accumulator G1 jointly, the emitter of described second triode Q2 is also connected with the base stage of the 3rd triode Q3 by electric capacity C2.
2. acoustic control doorbell circuit according to claim 1, it is characterized in that: also comprise piezoelectric vibration formula generator, current rectifying and wave filtering circuit, described piezoelectric vibration formula generator is arranged on door leaf, the electric energy output end of described piezoelectric vibration formula generator is connected with accumulator G1 by current rectifying and wave filtering circuit, charges for accumulators G1.
3. acoustic control doorbell circuit according to claim 1, is characterized in that: be parallel with filter capacitor C1 between the positive and negative electrode of described accumulator G1.
4. acoustic control doorbell circuit according to claim 1, is characterized in that: the positive pole of described accumulator G1 is in series with light emitting diode D1.
5. acoustic control doorbell circuit according to claim 1, is characterized in that: the voltage of described accumulator G1 is 5V.
6. acoustic control doorbell circuit according to claim 1, is characterized in that: described first triode Q1 is PNP type triode, and described second triode Q2, the 3rd triode Q3 are NPN triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357037.XU CN204759637U (en) | 2015-05-29 | 2015-05-29 | Acoustic control doorbell circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357037.XU CN204759637U (en) | 2015-05-29 | 2015-05-29 | Acoustic control doorbell circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204759637U true CN204759637U (en) | 2015-11-11 |
Family
ID=54474320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520357037.XU Expired - Fee Related CN204759637U (en) | 2015-05-29 | 2015-05-29 | Acoustic control doorbell circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204759637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104881937A (en) * | 2015-05-29 | 2015-09-02 | 苏州华徕光电仪器有限公司 | Sound control doorbell circuit |
-
2015
- 2015-05-29 CN CN201520357037.XU patent/CN204759637U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104881937A (en) * | 2015-05-29 | 2015-09-02 | 苏州华徕光电仪器有限公司 | Sound control doorbell 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: 20151111 Termination date: 20160529 |