CN104048728A - Sound-light alarm circuit - Google Patents
Sound-light alarm circuit Download PDFInfo
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- CN104048728A CN104048728A CN201410299681.6A CN201410299681A CN104048728A CN 104048728 A CN104048728 A CN 104048728A CN 201410299681 A CN201410299681 A CN 201410299681A CN 104048728 A CN104048728 A CN 104048728A
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Abstract
The invention relates to a circuit, in particular to a sound-light alarm circuit which is high in accuracy and stable in work. One end of a first resistor is connected with a control signal end, the other end of the first resistor is connected with a B end of a first audion, an E end of the first audion is grounded and connected with the positive pole of a diode and one end of a relay, a C end of the first audion is connected with one end of a second resistor, the other end of the second resistor is connected with a B end of a second audion and one end of a third resistor, the other end of the third resistor is connected with a power source and an E end of the second audion, a C end of the second audion is connected with the other end of the diode and the other end of the relay, an alarm bell with one grounded end is connected between the diode, the relay and the second audion, or an alarming light with a grounded negative pole is connected between the diode, the relay and the second audion through a fourth resistor. The two audions control the on-off of the relay to achieve the alarming effect, and early alarming can be carried out for dangers according to actual work conditions.
Description
Technical field
The present invention relates to a kind of circuit, be specifically related to a kind of sound light alarming 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 in time warning message.Because existing level monitoring circuit structure is complicated, between unit circuit, can produce certain electronic interferences, affected the Stability and veracity of monitoring, be difficult to meet some occasions higher to monitoring accuracy, therefore, the level monitoring warning circuit of, working stability high in the urgent need to a kind of precision.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of sound light alarming circuit is provided, make the work that host computer can safety and stability.
In order to achieve the above object, the present invention includes the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first triode, the second triode, diode and relay, and emergency alarm bell or alarm lamp;
One end connection control signal end of described the first resistance, the other end connects the B end of the first triode, the E of the first triode holds ground connection and connects one end of positive pole and the relay of diode, the C end of the first triode connects one end of the second resistance, the other end of the second resistance connects the B end of the second triode and one end of the 3rd resistance, the other end of the 3rd resistance connects the E end of power supply and the second triode, and the C end of the second triode connects the other end of diode and the other end of relay;
Between described diode and relay and the second triode, be connected the emergency alarm bell of one end ground connection or by the 4th resistance, connect the alarm lamp of minus earth.
Described relay comprises the magnetic circuit with diodes in parallel, and the quiet spring combination of often opening of coordinating with magnetic circuit and normally closed quiet spring combine, and often opens quiet spring and is connected and opens circuit, the normally closed quiet spring shut-off circuit that is connected.
Described the first triode is NPN type 9013 triodes, and the second triode is positive-negative-positive 9012 triodes.
Described power acquisition 5V power supply.
Described the first resistance and the 3rd resistance are 10K Ω, and the second resistance is 5.1K Ω, the 4th resistance 2K Ω.
Compared with prior art, the present invention reaches the effect of warning by the folding of two triode pilot relays, can to danger, do early warning according to real work situation, the present invention adopts triode to drive, and oneself power consumption is little, and antijamming capability is strong, employing relay drives, play buffer action, can prevent signal cross-talk master control borad signal, this circuit is difficult for heating, not fragile.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the present invention adopts emergency alarm bell;
Fig. 2 is the schematic diagram that the present invention adopts alarm lamp.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Referring to Fig. 1, the present invention adopts the circuit of emergency alarm bell, comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the first triode T1, the second triode T2, diode D1 and relay, and emergency alarm bell or alarm lamp, one end connection control signal end of the first resistance R 1, the other end connects the B end of NPN type 9013 triode T1, the E of the one NPN type 9013 triode T1 holds ground connection and connects one end of positive pole and the relay of diode D1, the C end of the one NPN type 9013 triode T1 connects one end of the second resistance R 2, the other end of the second resistance R 2 connects the B end of the second positive-negative-positive 9012 triode T2 and one end of the 3rd resistance R 3, the other end of the 3rd resistance R 3 connects the E end of 5V power supply and the second positive-negative-positive 9012 triode T2, the C end of the second positive-negative-positive 9012 triode T2 connects the other end of diode D1 and the other end of relay, the emergency alarm bell B1 that is connected one end ground connection between diode D1 and relay and the second positive-negative-positive 9012 triode T2, relay comprises the magnetic circuit in parallel with diode D1, and the quiet spring combination of often opening of coordinating with magnetic circuit and normally closed quiet spring combine, and often opens quiet spring and is connected and opens circuit, the normally closed quiet spring shut-off circuit that is connected.
Referring to Fig. 2, the present invention adopts the circuit of alarm lamp, comprises three resistance, two triodes, diode and relays, and emergency alarm bell or alarm lamp, one end connection control signal end of the first resistance R 1, the other end connects the B end of NPN type 9013 triode T1, the E of the one NPN type 9013 triode T1 holds ground connection and connects one end of positive pole and the relay of diode D1, the C end of the one NPN type 9013 triode T1 connects one end of the second resistance R 2, the other end of the second resistance R 2 connects the B end of the second positive-negative-positive 9012 triode T2 and one end of the 3rd resistance R 3, the other end of the 3rd resistance R 3 connects the E end of 5V power supply and the second positive-negative-positive 9012 triode T2, the C end of the second positive-negative-positive 9012 triode T2 connects the other end of diode D1 and the other end of relay, the one end that is connected the 4th resistance R 4 between diode D1 and relay and the second positive-negative-positive triode T2, the other end of the 4th resistance R 4 connects the positive pole of the alarm lamp D2 of minus earth, relay comprises the magnetic circuit in parallel with diode D1, and the quiet spring combination of often opening of coordinating with magnetic circuit and normally closed quiet spring combine, and often opens quiet spring and is connected and opens circuit, the normally closed quiet spring shut-off circuit that is connected.
Wherein, the first resistance R 1 and the 3rd resistance R 3 are 10K Ω, and the second resistance R 2 is 5.1K Ω, the 4th resistance 2K Ω.
Also the present invention can be adopted to the circuit of emergency alarm bell and adopt the circuit of alarm lamp to access external signal simultaneously, so just can, by existing audible alarm, have again light warning.
The course of work of the present invention is: external signal is through two triodes, allows field effect transistor conducting, thereby the open and close state of pilot relay is controlled light or sound or light and sound and reported to the police.
Claims (5)
1. a sound light alarming circuit, it is characterized in that: comprise the first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), the first triode (T1), the second triode (T2), diode (D1) and relay, and emergency alarm bell or alarm lamp;
One end connection control signal end of described the first resistance (R1), the other end connects the B end of the first triode (T1), the E end ground connection of the first triode (T1) also connects the positive pole of diode (D1) and one end of relay, the C end of the first triode (T1) connects one end of the second resistance (R2), the other end of the second resistance (R2) connects the B end of the second triode (T2) and one end of the 3rd resistance (R3), the other end of the 3rd resistance (R3) connects the E end of power supply and the second triode (T2), the C end of the second triode (T2) connects the other end of diode (D1) and the other end of relay,
Between described diode (D1) and relay and the second triode (T2), be connected the emergency alarm bell (B1) of one end ground connection or by the 4th resistance (R4), connect the alarm lamp (D2) of minus earth.
2. a kind of sound light alarming circuit according to claim 1, it is characterized in that: described relay comprises the magnetic circuit in parallel with diode (D1), and the quiet spring combination of often opening of coordinating with magnetic circuit and normally closed quiet spring combine, often open quiet spring and be connected and open circuit, the normally closed quiet spring shut-off circuit that is connected.
3. a kind of sound light alarming circuit according to claim 1, is characterized in that: described the first triode (T1) is NPN type 9013 triodes, and the second triode (T2) is positive-negative-positive 9012 triodes.
4. a kind of sound light alarming circuit according to claim 1, is characterized in that: described power acquisition 5V power supply.
5. a kind of sound light alarming circuit according to claim 1, is characterized in that: described the first resistance (R1) and the 3rd resistance (R3) are 10K Ω, and the second resistance (R2) is 5.1K Ω, the 4th resistance (R4) 2K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299681.6A CN104048728A (en) | 2014-06-27 | 2014-06-27 | Sound-light alarm circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299681.6A CN104048728A (en) | 2014-06-27 | 2014-06-27 | Sound-light alarm circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104048728A true CN104048728A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410299681.6A Pending CN104048728A (en) | 2014-06-27 | 2014-06-27 | Sound-light alarm circuit |
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| CN (1) | CN104048728A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320217A (en) * | 2018-02-02 | 2018-07-24 | 广东轻工职业技术学院 | Ecommerce information management system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017517Y (en) * | 2007-03-19 | 2008-02-06 | 严俊 | Experimental device using electric relay to execute water level alarming |
| CN201255809Y (en) * | 2008-07-16 | 2009-06-10 | 义马煤业(集团)有限责任公司 | Coal-bin limiting protection equipment |
| CN101823459A (en) * | 2010-03-09 | 2010-09-08 | 福建师范大学 | Flash-type brake lamp controller with fault warning function |
| CN101841146A (en) * | 2010-05-07 | 2010-09-22 | 天津市百利电气有限公司 | Intelligent circuit breaker with overload-alarm non-tripping function and control method |
| CN202023633U (en) * | 2011-04-19 | 2011-11-02 | 重庆博策科技有限公司 | Multimode detection controlling device |
| CN202093632U (en) * | 2011-06-13 | 2011-12-28 | 中国神华能源股份有限公司 | Theft-proof alarm device |
-
2014
- 2014-06-27 CN CN201410299681.6A patent/CN104048728A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017517Y (en) * | 2007-03-19 | 2008-02-06 | 严俊 | Experimental device using electric relay to execute water level alarming |
| CN201255809Y (en) * | 2008-07-16 | 2009-06-10 | 义马煤业(集团)有限责任公司 | Coal-bin limiting protection equipment |
| CN101823459A (en) * | 2010-03-09 | 2010-09-08 | 福建师范大学 | Flash-type brake lamp controller with fault warning function |
| CN101841146A (en) * | 2010-05-07 | 2010-09-22 | 天津市百利电气有限公司 | Intelligent circuit breaker with overload-alarm non-tripping function and control method |
| CN202023633U (en) * | 2011-04-19 | 2011-11-02 | 重庆博策科技有限公司 | Multimode detection controlling device |
| CN202093632U (en) * | 2011-06-13 | 2011-12-28 | 中国神华能源股份有限公司 | Theft-proof alarm device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320217A (en) * | 2018-02-02 | 2018-07-24 | 广东轻工职业技术学院 | Ecommerce information management system |
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Application publication date: 20140917 |
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