CN204791334U - Sound and light control warning circuit - Google Patents
Sound and light control warning circuit Download PDFInfo
- Publication number
- CN204791334U CN204791334U CN201520519204.6U CN201520519204U CN204791334U CN 204791334 U CN204791334 U CN 204791334U CN 201520519204 U CN201520519204 U CN 201520519204U CN 204791334 U CN204791334 U CN 204791334U
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- triode
- warning circuit
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- sound
- light
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Abstract
The utility model belongs to the technical field of the electronic design, especially, relate to a sound and light control warning circuit, including group battery BT1, acoustic control switch S1, relay K1, photoswitch D1, triode Q1, triode Q2, triode Q3, electric bell U1. The utility model discloses the dual alarm control of reputation be can realize, warning circuit's precision and stability are improved, adopting the relay to form delay circuit, can controlling the time interval that warning circuit detected, avoid warning circuit to work always, the power consumption is big, used components and parts all adopt the universal element device, its low price, and it is convenient to buy, and the maintenance of being convenient for is changed, simple structure, each components and parts is less relatively, and low in manufacturing cost can use widely on a large scale.
Description
Technical field
The utility model belongs to electronic design art, particularly relates to a kind of controlled by sound and light warning circuit.
Background technology
At present, in petroleum collection process, need the liquid level of Real-Time Monitoring liquid, when the liquid level of liquid is reduced to a certain degree, need to send warning message in time.Because existing level monitoring circuit structure is complicated, certain electronic interferences can be produced between unit circuit, have impact on the Stability and veracity of monitoring, be difficult to meet some occasions higher to monitoring accuracy, traditional warning circuit, precision is low, job insecurity.
Summary of the invention
The utility model provides a kind of controlled by sound and light warning circuit, and to solve in above-mentioned background technology, traditional warning circuit, precision is low, the problem of job insecurity.
The technical matters that the utility model solves realizes by the following technical solutions: the utility model provides a kind of controlled by sound and light warning circuit, it is characterized in that: comprise electric battery BT1, audio-switch S1, relay K 1, light-operated switch D1, triode Q1, triode Q2, triode Q3, electric bell U1, the positive pole of described electric battery BT1 connects one end of audio-switch S1, the pin 2 of relay K 1, its negative pole connects the emitter of triode Q1, the emitter of triode Q3, the emitter of triode Q2, the base stage of described triode Q1 connects the other end of audio-switch S1, the pin 3 of described relay K 1 connects the collector of triode Q1, its pin 1 connects the anode of light-operated switch D1, one end of electric bell U1, its pin 4 connects the negative electrode of light-operated switch D1, the base stage of triode Q3, the base stage of the collector connecting transistor Q2 of described triode Q3, the collector of described triode Q2 connects the other end of electric bell U1.
Described triode Q1 selects the triode of NPN type number.
Described triode Q2 selects the triode of NPN type number.
Described triode Q3 selects the triode of NPN type number.
The beneficial effects of the utility model are:
1, in the utility model, when sound acquires a certain degree, then audio-switch S1 conducting, and then make triode Q1, triode Q2, triode Q3 conducting, last electric bell U1 rings; When there being light directive light-operated switch D1, light-operated switch D1 conducting, makes triode Q1, triode Q2, triode Q3 conducting, and last electric bell U1 rings, and can realize sound-light double controlling alarm, improve the precision and stability of warning circuit.
2, the utility model adopts relay composition delay circuit, and can control the time interval that warning circuit detects, avoid warning circuit to work always, power consumption is large.
3, the utility model components and parts used all adopt universal elements, its low price, and it is convenient to buy, and is convenient to maintain and replace.
4, structure of the present utility model is simple, and each components and parts are relatively less, low cost of manufacture, can promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment:
The present embodiment comprises: as shown in Figure 1: electric battery BT1, audio-switch S1, relay K 1, light-operated switch D1, triode Q1, triode Q2, triode Q3, electric bell U1, the positive pole of electric battery BT1 connects one end of audio-switch S1, the pin 2 of relay K 1, its negative pole connects the emitter of triode Q1, the emitter of triode Q3, the emitter of triode Q2, the base stage of triode Q1 connects the other end of audio-switch S1, the pin 3 of relay K 1 connects the collector of triode Q1, its pin 1 connects the anode of light-operated switch D1, one end of electric bell U1, its pin 4 connects the negative electrode of light-operated switch D1, the base stage of triode Q3, the base stage of the collector connecting transistor Q2 of triode Q3, the collector of triode Q2 connects the other end of electric bell U1.
Triode Q1 selects the triode of NPN type number.
Triode Q2 selects the triode of NPN type number.
Triode Q3 selects the triode of NPN type number.
In the utility model, when sound acquires a certain degree, then audio-switch S1 conducting, and then make triode Q1, triode Q2, triode Q3 conducting, last electric bell U1 rings; When there being light directive light-operated switch D1, light-operated switch D1 conducting, makes triode Q1, triode Q2, triode Q3 conducting, and last electric bell U1 rings, and can realize sound-light double controlling alarm, improve the precision and stability of warning circuit; Adopt relay composition delay circuit, can control the time interval that warning circuit detects, avoid warning circuit to work always, power consumption is large; Components and parts used all adopt universal elements, its low price, and it is convenient to buy, and is convenient to maintain and replace; Structure is simple, and each components and parts are relatively less, low cost of manufacture, can promote the use of on a large scale.
Utilize the technical solution of the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection domain of the present utility model.
Claims (4)
1. a controlled by sound and light warning circuit, it is characterized in that: comprise electric battery BT1, audio-switch S1, relay K 1, light-operated switch D1, triode Q1, triode Q2, triode Q3, electric bell U1, the positive pole of described electric battery BT1 connects one end of audio-switch S1, the pin 2 of relay K 1, its negative pole connects the emitter of triode Q1, the emitter of triode Q3, the emitter of triode Q2, the base stage of described triode Q1 connects the other end of audio-switch S1, the pin 3 of described relay K 1 connects the collector of triode Q1, its pin 1 connects the anode of light-operated switch D1, one end of electric bell U1, its pin 4 connects the negative electrode of light-operated switch D1, the base stage of triode Q3, the base stage of the collector connecting transistor Q2 of described triode Q3, the collector of described triode Q2 connects the other end of electric bell U1.
2. a kind of controlled by sound and light warning circuit according to claim 1, is characterized in that: described triode Q1 selects the triode of NPN type number.
3. a kind of controlled by sound and light warning circuit according to claim 1, is characterized in that: described triode Q2 selects the triode of NPN type number.
4. a kind of controlled by sound and light warning circuit according to claim 1, is characterized in that: described triode Q3 selects the triode of NPN type number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520519204.6U CN204791334U (en) | 2015-07-16 | 2015-07-16 | Sound and light control warning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520519204.6U CN204791334U (en) | 2015-07-16 | 2015-07-16 | Sound and light control warning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204791334U true CN204791334U (en) | 2015-11-18 |
Family
ID=54531337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520519204.6U Expired - Fee Related CN204791334U (en) | 2015-07-16 | 2015-07-16 | Sound and light control warning circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204791334U (en) |
-
2015
- 2015-07-16 CN CN201520519204.6U patent/CN204791334U/en not_active Expired - Fee Related
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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: 20151118 Termination date: 20160716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |