CN204904475U - Take doorbell of light -operated LED lamp - Google Patents
Take doorbell of light -operated LED lamp Download PDFInfo
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- CN204904475U CN204904475U CN201520565319.9U CN201520565319U CN204904475U CN 204904475 U CN204904475 U CN 204904475U CN 201520565319 U CN201520565319 U CN 201520565319U CN 204904475 U CN204904475 U CN 204904475U
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Abstract
The utility model discloses a take doorbell of light -operated LED lamp, including battery E, key switch S1, chip IC1 and unidirectional thyristor Q1, battery E's positive pole, loudspeaker B, chip IC1's pin 2 and chip IC2's pin 1 are connected to key switch S1's one end, and electric capacity C1 and chip IC1's pin 5 is connected to switch S1's the other end. The utility model discloses take doorbell of light -operated LED lamp collects the doorbell and throws light on in an organic whole, has set up light -operated original paper moreover in the circuit, has only doorbell work when open daytime, has simultaneously still set up the component of stabilizing grid fluctuation, therefore simple structure, function are various, the advantage of practicing thrift electric energy and stable performance.
Description
Technical field
The utility model relates to a kind of doorbell, specifically a kind of doorbell with light-operated LED (liquid crystal diode) lamp.
Background technology
Doorbell is electronic equipment conventional in daily life, effectively can help the people that user notifies in room, therefore liking of people is subject to, but night cannot check people outdoors by opal when hearing door bell rings due to light reason people within doors, thus opportunity may be left to the people harhored evil intentions, therefore need to be improved.
Utility model content
The purpose of this utility model is the doorbell of the band light-operated LED (liquid crystal diode) lamp providing a kind of structure simple, easy to use, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
With a doorbell for light-operated LED (liquid crystal diode) lamp, comprise accumulator E, keyswitch S1, chip IC 1 and unidirectional thyristor Q1, one end of described keyswitch S1 connects the positive pole of accumulator E, loudspeaker B, the pin 2 of chip IC 1 and the pin 1 of chip IC 2, the other end of switch S 1 connects the pin 5 of electric capacity C1 and chip IC 1, and the negative pole of accumulator E connects the other end of electric capacity C1, electric capacity C3, electric capacity C4, the anode of diode D1, the anode of diode D3, resistance R2, resistance R3, the emitter of triode V1, the emitter of triode V2, the negative pole of unidirectional thyristor Q1, the pin 4 of chip IC 1, the pin 1 of chip IC 2, transient voltage suppressor diode DW and 220V line voltage, the collector of the other end connecting triode V1 of loudspeaker B and electric capacity C2, the base stage of the pin 3 connecting triode V1 of chip IC 1, the other end of electric capacity C2 connects the negative electrode of diode D1 and the base stage of triode V2, the collector contact resistance R1 of triode V2, the other end of resistance R1 connects the pin 2 of chip IC 2, the other end of pin 4 contact resistance R2 of chip IC 2 and the pin 4 of chip IC 3, the pin 5 of chip IC 2 connects the pin 8 of chip IC 3 and the negative electrode of diode D2, and the pin 3 of chip IC 3 connects a stiff end of potentiometer RP1, the other end of resistance R3 and the control pole of unidirectional thyristor Q1, another stiff end of potentiometer RP1 connects the other end of electric capacity C3, the pin 2 of chip IC 3 and the pin 6 of chip IC 3, the negative electrode contact resistance R4 of diode D3, the anode of electric capacity C5 and diode D2, the other end of the other end contact resistance R4 of electric capacity C5, LED H, the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, the other end of LED H connects the positive pole of unidirectional thyristor Q1, and the model of described chip IC 1 is KD9300, and chip IC 2 is 4N25 photo-coupler, and chip IC 3 is 555 timers.
As preferred version of the present utility model: described resistance R3 is photoresistance.
Compared with prior art, the beneficial effects of the utility model are: the doorbell of the utility model band light-operated LED (liquid crystal diode) lamp integrates doorbell and throws light on, and be provided with light-operated original paper in circuit, doorbell work is only had when daytime opens, also be provided with the element of stable power network fluctuation, the advantage of therefore structure simple, diverse in function, saves energy and stable performance simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the doorbell of band light-operated LED (liquid crystal diode) lamp.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of doorbell with light-operated LED (liquid crystal diode) lamp, comprises accumulator E, keyswitch S1, chip IC 1 and unidirectional thyristor Q1, one end of described keyswitch S1 connects the positive pole of accumulator E, loudspeaker B, the pin 2 of chip IC 1 and the pin 1 of chip IC 2, the other end of switch S 1 connects the pin 5 of electric capacity C1 and chip IC 1, and the negative pole of accumulator E connects the other end of electric capacity C1, electric capacity C3, electric capacity C4, the anode of diode D1, the anode of diode D3, resistance R2, resistance R3, the emitter of triode V1, the emitter of triode V2, the negative pole of unidirectional thyristor Q1, the pin 4 of chip IC 1, the pin 1 of chip IC 2, transient voltage suppressor diode DW and 220V line voltage, the collector of the other end connecting triode V1 of loudspeaker B and electric capacity C2, the base stage of the pin 3 connecting triode V1 of chip IC 1, the other end of electric capacity C2 connects the negative electrode of diode D1 and the base stage of triode V2, the collector contact resistance R1 of triode V2, the other end of resistance R1 connects the pin 2 of chip IC 2, the other end of pin 4 contact resistance R2 of chip IC 2 and the pin 4 of chip IC 3, the pin 5 of chip IC 2 connects the pin 8 of chip IC 3 and the negative electrode of diode D2, and the pin 3 of chip IC 3 connects a stiff end of potentiometer RP1, the other end of resistance R3 and the control pole of unidirectional thyristor Q1, another stiff end of potentiometer RP1 connects the other end of electric capacity C3, the pin 2 of chip IC 3 and the pin 6 of chip IC 3, the negative electrode contact resistance R4 of diode D3, the anode of electric capacity C5 and diode D2, the other end of the other end contact resistance R4 of electric capacity C5, LED H, the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, the other end of LED H connects the positive pole of unidirectional thyristor Q1, and the model of described chip IC 1 is KD9300, and chip IC 2 is 4N25 photo-coupler, and chip IC 3 is 555 timers.
Resistance R3 is photoresistance.
Principle of work of the present utility model is: press doorbell keyswitch S1, and 5 pin of chip IC 1 obtain a high level, and 3 pin export music signal stored in music integrated circuit, and by sending music after the amplification of triode V1 from loudspeaker B.The amplifying circuit that triode V1 forms inputs an amplifying signal by collector to triode V2 base stage, under the rectified action of diode D1, makes triode V2 saturation conduction.Light emitting diode in photo-coupler IC2 sends light, makes 4 of photo-coupler, presents low resistivity between 5 pin, make 4 pin of C3 be high level, IC3 circuit starts starting of oscillation, 3 pin export high level, if be now daytime, because photoresistance R3 is very little by illumination effect resistance, be similar to short circuit, therefore unidirectional thyristor Q1 can not get trigger voltage, and only when insufficient light, 3 pin output voltages of chip IC 3 just can trigger the gate pole of thyristor V3, V3 conducting, LED H starts working.After a period of time, loudspeaker B stops sounding, triode V1, V2 end, make 4 of IC2 optically coupled circuit, present high resistant resistance between 5 pin, then 4 pin of IC3 are low level, make chip IC 1 be in forced resetting state, now 3 pin output low levels, thyristor Q1 ends when alternating current zero crossing, and LED H extinguishes.Now circuit is in the original state waiting for that next switch S 1 is pressed.The peak voltage that transient voltage suppressor diode DW can effectively suppress power network fluctuation to produce, increases the stability of circuit.
Claims (2)
1. the doorbell with light-operated LED (liquid crystal diode) lamp, comprises accumulator E, keyswitch S1, chip IC 1 and unidirectional thyristor Q1, is characterized in that, one end of described keyswitch S1 connects the positive pole of accumulator E, loudspeaker B, the pin 2 of chip IC 1 and the pin 1 of chip IC 2, the other end of keyswitch S1 connects the pin 5 of electric capacity C1 and chip IC 1, and the negative pole of accumulator E connects the other end of electric capacity C1, electric capacity C3, electric capacity C4, the anode of diode D1, the anode of diode D3, resistance R2, resistance R3, the emitter of triode V1, the emitter of triode V2, the negative pole of unidirectional thyristor Q1, the pin 4 of chip IC 1, the pin 1 of chip IC 2, transient voltage suppressor diode DW and 220V line voltage, the collector of the other end connecting triode V1 of loudspeaker B and electric capacity C2, the base stage of the pin 3 connecting triode V1 of chip IC 1, the other end of electric capacity C2 connects the negative electrode of diode D1 and the base stage of triode V2, the collector contact resistance R1 of triode V2, the other end of resistance R1 connects the pin 2 of chip IC 2, the other end of pin 4 contact resistance R2 of chip IC 2 and the pin 4 of chip IC 3, the pin 5 of chip IC 2 connects the pin 8 of chip IC 3 and the negative electrode of diode D2, and the pin 3 of chip IC 3 connects a stiff end of potentiometer RP1, the other end of resistance R3 and the control pole of unidirectional thyristor Q1, another stiff end of potentiometer RP1 connects the other end of electric capacity C3, the pin 2 of chip IC 3 and the pin 6 of chip IC 3, the negative electrode contact resistance R4 of diode D3, the anode of electric capacity C5 and diode D2, the other end of the other end contact resistance R4 of electric capacity C5, LED H, the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, the other end of LED H connects the positive pole of unidirectional thyristor Q1, and the model of described chip IC 1 is KD9300, and chip IC 2 is 4N25 photo-coupler, and chip IC 3 is 555 timers.
2. a kind of doorbell with light-operated LED (liquid crystal diode) lamp according to claim 1, is characterized in that, described resistance R3 is photoresistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565319.9U CN204904475U (en) | 2015-07-28 | 2015-07-28 | Take doorbell of light -operated LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565319.9U CN204904475U (en) | 2015-07-28 | 2015-07-28 | Take doorbell of light -operated LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204904475U true CN204904475U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520565319.9U Expired - Fee Related CN204904475U (en) | 2015-07-28 | 2015-07-28 | Take doorbell of light -operated LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204904475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195252A (en) * | 2018-09-21 | 2019-01-11 | 宁波多力浦工贸有限公司 | A kind of LED light control lamp control circuit |
-
2015
- 2015-07-28 CN CN201520565319.9U patent/CN204904475U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195252A (en) * | 2018-09-21 | 2019-01-11 | 宁波多力浦工贸有限公司 | A kind of LED light control lamp control 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: 20151223 Termination date: 20160728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |