CN204440583U - A kind of sound light alarming circuit - Google Patents
A kind of sound light alarming circuit Download PDFInfo
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- CN204440583U CN204440583U CN201520144502.1U CN201520144502U CN204440583U CN 204440583 U CN204440583 U CN 204440583U CN 201520144502 U CN201520144502 U CN 201520144502U CN 204440583 U CN204440583 U CN 204440583U
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Abstract
The utility model discloses a kind of sound light alarming circuit, base integrated chip, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the first diode, the second diode, the 3rd diode, the first triode, the second triode and loudspeaker and light source when base integrated chip, 2 555 type when it comprises one 555 type.The utility model by base integrated chip during employing two 555 types and periphery configure circuit make to report to the police trigger time, loudspeaker and light source all can send the alerting signal of discontinuity, the lower and feature richness of its circuit structure cost.
Description
Technical field
The utility model relates to electronic applications, particularly relates to a kind of acousto-optic circuit.
Background technology
Present life staying idle at home more and more emphasizes security, is usually provided with all kinds of monitoring equipment and panalarm in the residential quarters of some top grades, and such as infrared detection equipment, all kinds of remote shooting are first-class.
But existing panalarm circuit is all comparatively complicated, no matter function singleness, be that manufacturing cost or warning efficiency all can not satisfy the demands simultaneously.
Utility model content
Technical problem to be solved in the utility model is, for the above-mentioned deficiency of prior art, proposes a kind of circuit structure comparatively simply and possess the sound light alarming circuit that audible alarm and light reports to the police simultaneously.
The technical scheme that the utility model solves the employing of its technical matters is, a kind of sound light alarming circuit is proposed, base integrated chip, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the first diode, the second diode, the 3rd diode, the first triode, the second triode and loudspeaker and light source when base integrated chip, 2 555 type when it comprises one 555 type; Described first diode cathode termination enters voltage input end, and negative pole end accesses first resistance one end, base integrated chip the 7th pin during the first resistance other end access one 555 type; During one 555 type, base integrated chip the 4th pin, the 8th pin all access the first diode cathode end; During one 555 type base integrated chip the 6th pin connect access one 555 type after the second resistance time base integrated chip the 7th pin; During one 555 type, base integrated chip second pin is connected ground connection after the first electric capacity; Base integrated chip first pin direct ground connection during one 555 type; The first transistor base is accessed after base integrated chip three-prong series connection the 3rd resistance during one 555 type; First transistor collector accesses the second diode cathode and loudspeaker first input end respectively, and loudspeaker second input end and the second diode cathode all access the first diode cathode; First transistor emitter ground connection; During 2 555 type, base integrated chip the 4th pin and the 8th pin all access the first diode cathode; The first diode cathode is accessed after base integrated chip the 7th pin series connection the 4th resistance during 2 555 type; Base integrated chip the 7th pin during access 2 555 type after base integrated chip the 6th pin series connection the 5th resistance during 2 555 type; During 2 555 type, base integrated chip second pin is connected ground connection after the second electric capacity; Base integrated chip first pin direct ground connection during 2 555 type; The second transistor base is accessed after base integrated chip three-prong series connection the 7th resistance during 2 555 type; Second transistor collector access the 3rd diode cathode end and light source one end, the light source other end and the 3rd diode cathode end all access the first diode cathode end; Second transistor emitter ground connection; Base integrated chip the 5th pin during base integrated chip three-prong other end access one 555 type during the 6th resistance one end access 2 555 type; Base integrated chip the 5th pin during the 3rd electric capacity one end access one 555 type, other end ground connection.
The utility model by base integrated chip during employing two 555 types and periphery configure circuit make to report to the police trigger time, loudspeaker and light source all can send the alerting signal of discontinuity, the lower and feature richness of its circuit structure cost.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the utility model charging control circuit.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Please refer to Fig. 1, when when the utility model comprises one 555 type, basis set becomes chip IC 1,2 555 type, basis set becomes chip IC 2, first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the first diode D1, the second diode D2, the 3rd diode D3, the first triode Q1, the second triode Q2 and loudspeaker B and light source EL.
Described first diode D1 positive terminal access voltage input end, negative pole end accesses first resistance R1 one end, base integrated chip the 7th pin during the first resistance R1 other end access one 555 type; During one 555 type, base integrated chip the 4th pin, the 8th pin all access the first diode cathode end; During one 555 type base integrated chip the 6th pin connect access one 555 type after the second resistance R2 time base integrated chip the 7th pin; During one 555 type, base integrated chip second pin is connected ground connection after the first electric capacity; Base integrated chip first pin direct ground connection during one 555 type; The first triode Q1 base stage is accessed after base integrated chip three-prong series connection the 3rd resistance R3 during one 555 type.
First triode Q1 collector accesses the second diode D2 positive pole and loudspeaker B first input end respectively, and loudspeaker B second input end and the second diode D2 negative pole all access the first diode D1 negative pole; First triode Q1 grounded emitter.
During 2 555 type, base integrated chip the 4th pin and the 8th pin all access the first diode D1 negative pole; The first diode D1 negative pole is accessed after base integrated chip the 7th pin series connection the 4th resistance R4 during 2 555 type; Base integrated chip the 7th pin during access 2 555 type after base integrated chip the 6th pin series connection the 5th resistance R5 during 2 555 type; During 2 555 type, base integrated chip second pin is connected ground connection after the second electric capacity C2; Base integrated chip first pin direct ground connection during 2 555 type; The second triode Q2 base stage is accessed after base integrated chip three-prong series connection the 7th resistance R7 during 2 555 type.
Second triode Q2 collector access the 3rd diode cathode end and light source one end, the light source other end and the 3rd diode D3 negative pole end all access the first diode cathode end; Second triode D3 grounded emitter; Base integrated chip the 5th pin during base integrated chip three-prong other end access one 555 type during the 6th resistance R6 one end access 2 555 type; Base integrated chip the 5th pin during the 3rd electric capacity C3 one end access one 555 type, other end ground connection.
Principle of work of the present utility model is as follows:
555 type time base circuit IC1, IC2 are all connected into without steady state operating mode, wherein the component frequency such as IC1 and R1, R2, C1 is that the audio frequency oscillator oscillating current of about 500KHZ is exported the base stage adding to the first triode Q1 through resistance R3 by the 3rd pin, promotes loudspeaker B sounding by Q1 after being amplified; The component frequency such as IC2 and R4, R5, C2 is the ultralow-frequency oscillator of about 2HZ, and oscillating current is exported by the 3rd pin.The base stage of Q2 is injected through resistance R7 in one tunnel, makes to be connected on light source EL in the second triode Q2 collector loop with 2HZ frequency scintillation; Another road carries out periodicity discharge and recharge through resistance R6 to electric capacity C3, thus the level sounding periods of the control end VC (the 5th pin) of IC1 is changed, consequently the tone of sound of loudspeaker B periodically raises, declines, thus produces siren effect true to nature.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (1)
1. a sound light alarming circuit, is characterized in that: base integrated chip, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the first diode, the second diode, the 3rd diode, the first triode, the second triode and loudspeaker and light source when base integrated chip, 2 555 type when comprising one 555 type; Described first diode cathode termination enters voltage input end, and negative pole end accesses first resistance one end, base integrated chip the 7th pin during the first resistance other end access one 555 type; During one 555 type, base integrated chip the 4th pin, the 8th pin all access the first diode cathode end; During one 555 type base integrated chip the 6th pin connect access one 555 type after the second resistance time base integrated chip the 7th pin; During one 555 type, base integrated chip second pin is connected ground connection after the first electric capacity; Base integrated chip first pin direct ground connection during one 555 type; The first transistor base is accessed after base integrated chip three-prong series connection the 3rd resistance during one 555 type; First transistor collector accesses the second diode cathode and loudspeaker first input end respectively, and loudspeaker second input end and the second diode cathode all access the first diode cathode; First transistor emitter ground connection; During 2 555 type, base integrated chip the 4th pin and the 8th pin all access the first diode cathode; The first diode cathode is accessed after base integrated chip the 7th pin series connection the 4th resistance during 2 555 type; Base integrated chip the 7th pin during access 2 555 type after base integrated chip the 6th pin series connection the 5th resistance during 2 555 type; During 2 555 type, base integrated chip second pin is connected ground connection after the second electric capacity; Base integrated chip first pin direct ground connection during 2 555 type; The second transistor base is accessed after base integrated chip three-prong series connection the 7th resistance during 2 555 type; Second transistor collector access the 3rd diode cathode end and light source one end, the light source other end and the 3rd diode cathode end all access the first diode cathode end; Second transistor emitter ground connection; Base integrated chip the 5th pin during base integrated chip three-prong other end access one 555 type during the 6th resistance one end access 2 555 type; Base integrated chip the 5th pin during the 3rd electric capacity one end access one 555 type, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520144502.1U CN204440583U (en) | 2015-03-15 | 2015-03-15 | A kind of sound light alarming circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520144502.1U CN204440583U (en) | 2015-03-15 | 2015-03-15 | A kind of sound light alarming circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204440583U true CN204440583U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520144502.1U Expired - Fee Related CN204440583U (en) | 2015-03-15 | 2015-03-15 | A kind of sound light alarming circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204440583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104732683A (en) * | 2015-03-24 | 2015-06-24 | 易礼智 | Low-consumption sound-light alarm circuit |
-
2015
- 2015-03-15 CN CN201520144502.1U patent/CN204440583U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104732683A (en) * | 2015-03-24 | 2015-06-24 | 易礼智 | Low-consumption sound-light alarm circuit |
| CN104732683B (en) * | 2015-03-24 | 2017-04-12 | 易礼智 | Low-consumption sound-light alarm 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170315 |