CN104881937A - Sound control doorbell circuit - Google Patents
Sound control doorbell circuit Download PDFInfo
- Publication number
- CN104881937A CN104881937A CN201510283344.2A CN201510283344A CN104881937A CN 104881937 A CN104881937 A CN 104881937A CN 201510283344 A CN201510283344 A CN 201510283344A CN 104881937 A CN104881937 A CN 104881937A
- Authority
- CN
- China
- Prior art keywords
- triode
- accumulator
- control doorbell
- acoustic control
- emitter
- Prior art date
- 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.)
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
Abstract
The invention discloses a sound control doorbell circuit comprising a storage battery, a first, second and third triodes, a slide rheostat and a loudspeaker; an anode of the storage battery is respectively connected with an adjusting end of the slide rheostat and an emitter electrode of the first triode; the slide rheostat is connected with a base electrode of the second triode; a collector electrode of the second triode is connected with the anode of the storage battery through a resistor, and connected with a base electrode of the third triode through a resistor; an emitter electrode of the second triode is connected with one end of the loudspeaker and a collector electrode of the first triode; a collector electrode of the third triode is connected with a base electrode of the first triode; an emitter of the third triode and the other end of the loudspeaker are commonly connected with a cathode of the storage battery. The sound control doorbell circuit also comprises a piezoelectric oscillating type generator and a rectification filter circuit so as to charge the storage battery. The sound control doorbell circuit is energy saving and environmental friendly, easy to realize, low in cost, convenient for mass production, and has excellent application prospect.
Description
Technical field
The present invention relates to a kind of acoustic control doorbell circuit, belong 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.
Summary of the invention
Technical matters solved by the invention 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 solution adopted in the present invention 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 invention has the beneficial effects as follows: acoustic control doorbell circuit provided by the invention, 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 invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
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 present invention 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 invention, 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 invention, 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 invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain 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 |
|---|---|---|---|
| CN201510283344.2A CN104881937A (en) | 2015-05-29 | 2015-05-29 | Sound control doorbell circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283344.2A CN104881937A (en) | 2015-05-29 | 2015-05-29 | Sound control doorbell circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104881937A true CN104881937A (en) | 2015-09-02 |
Family
ID=53949414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510283344.2A Pending CN104881937A (en) | 2015-05-29 | 2015-05-29 | Sound control doorbell circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104881937A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097477U (en) * | 1991-06-08 | 1992-02-26 | 何立民 | Sound-control microlight music door bell |
| CN2138825Y (en) * | 1992-11-30 | 1993-07-21 | 上海天下电子电器有限公司 | Knocking type door bell |
| DE19537600A1 (en) * | 1995-10-09 | 1997-04-24 | Josef Horstmann | Electronic power saving circuit e.g. for doorbell AC voltage transformers |
| CN103077566A (en) * | 2012-12-26 | 2013-05-01 | 南昌大学 | Voice-operated electronic doorbell circuit |
| CN203224946U (en) * | 2013-04-25 | 2013-10-02 | 李小磊 | Self-generating electricity piezoelectric electromagnetic induction environmental-friendly doorbell |
| CN203480609U (en) * | 2013-05-06 | 2014-03-12 | 安徽理工大学 | Manual piezoelectric ceramic type doorbell |
| CN204759637U (en) * | 2015-05-29 | 2015-11-11 | 苏州华徕光电仪器有限公司 | Acoustic control doorbell circuit |
-
2015
- 2015-05-29 CN CN201510283344.2A patent/CN104881937A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097477U (en) * | 1991-06-08 | 1992-02-26 | 何立民 | Sound-control microlight music door bell |
| CN2138825Y (en) * | 1992-11-30 | 1993-07-21 | 上海天下电子电器有限公司 | Knocking type door bell |
| DE19537600A1 (en) * | 1995-10-09 | 1997-04-24 | Josef Horstmann | Electronic power saving circuit e.g. for doorbell AC voltage transformers |
| CN103077566A (en) * | 2012-12-26 | 2013-05-01 | 南昌大学 | Voice-operated electronic doorbell circuit |
| CN203224946U (en) * | 2013-04-25 | 2013-10-02 | 李小磊 | Self-generating electricity piezoelectric electromagnetic induction environmental-friendly doorbell |
| CN203480609U (en) * | 2013-05-06 | 2014-03-12 | 安徽理工大学 | Manual piezoelectric ceramic type doorbell |
| CN204759637U (en) * | 2015-05-29 | 2015-11-11 | 苏州华徕光电仪器有限公司 | Acoustic control doorbell circuit |
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| C06 | Publication | ||
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Application publication date: 20150902 |
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| RJ01 | Rejection of invention patent application after publication |