CN104568206A - Temperature alarm circuit used for industrial wastewater treatment - Google Patents
Temperature alarm circuit used for industrial wastewater treatment Download PDFInfo
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- CN104568206A CN104568206A CN201310488160.0A CN201310488160A CN104568206A CN 104568206 A CN104568206 A CN 104568206A CN 201310488160 A CN201310488160 A CN 201310488160A CN 104568206 A CN104568206 A CN 104568206A
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Abstract
The invention discloses a temperature alarm circuit used for industrial wastewater treatment. The temperature alarm circuit comprises a temperature-sensitive resistor, a high-speed switch integrated circuit, an alarm control circuit, first to fourth resistors, first to third light-emitting diodes, first to third diodes, a triode, a potentiometer, a loudspeaker, a switch and a power supply. A positive pole of a power supply is connected with a first end of the switch; a second end of the switch is connected with a first power supply input end of the alarm control circuit, a first end of the potentiometer, a sliding end of the potentiometer, a positive pole of the first light-emitting diode, a positive pole of the second light-emitting diode, a positive pole of the third light-emitting diode, a collector electrode of the triode and a first end of the high-speed switch integrated circuit respectively. The temperature alarm circuit used for industrial wastewater treatment is simple in structure, accurate in temperature detection, high in alarm accuracy and worth using and popularizing.
Description
Technical field
The present invention relates to a kind of temperature alarm, particularly relate to a kind of temperature alarm circuit for Industrial Waste Water Treatments.
Background technology
Temperature alarm is widely applied in every field, and temperature alarm can be accomplished exceed in detected temperatures or send warning lower than during the value set, and can avoid the harm owing to causing when temperature is too high or temperature is too low.The complicated structure of traditional temperature alarm, and duty is stable not, degree of accuracy is not high.
Summary of the invention
Object of the present invention is just to provide a kind of temperature alarm circuit for Industrial Waste Water Treatments to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of temperature alarm circuit for Industrial Waste Water Treatments, comprise thermo-sensitive resistor, high speed switch integrated circuit, alarm control circuit, first resistance is to the 4th resistance, first light emitting diode is to the 3rd light emitting diode, first diode is to the 3rd diode, triode, potentiometer, loudspeaker, switch and power supply, the positive pole of described power supply is connected with the first end of described switch, second end of described switch respectively with the first power input of described alarm control circuit, the first end of described potentiometer, the sliding end of described potentiometer, the positive pole of described first light emitting diode, the positive pole of described second light emitting diode, the positive pole of described 3rd light emitting diode, the collector of described triode is connected with the first end of described high speed switch integrated circuit, the high-triggering end of described alarm control circuit is connected with the first end of described first resistance, the low triggering end of described alarm control circuit is connected with the second end of described first resistance and the first end of described second resistance respectively, first sound alarm signal output ends of described alarm control circuit is connected with the positive pole of described first diode, second sound alarm signal output ends of described alarm control circuit is connected with the first end of described 3rd resistance, the control signal input end of described alarm control circuit is connected with the second end of described potentiometer, first optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described first light emitting diode and the negative pole of described second diode respectively, second optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described second light emitting diode, 3rd optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described 3rd light emitting diode and the negative pole of described 3rd diode respectively, described power cathode respectively with the second end of described second resistance, second end of described 3rd resistance, the first end of described thermo-sensitive resistor, the negative pole of described first diode, the first end of described loudspeaker is connected with the second end of described high speed switch integrated circuit, second end of described thermo-sensitive resistor respectively with the emitter of described triode and the three-terminal link of described high speed switch integrated circuit, the base stage of described triode is connected with the first end of described 4th resistance, second end of described 4th resistance is connected with the positive pole of described second diode and the positive pole of described 3rd diode respectively, 4th end of described high speed switch integrated circuit is connected with the second end of described loudspeaker.
Beneficial effect of the present invention is:
The present invention is simple for the structure of the temperature alarm circuit of Industrial Waste Water Treatments, temperature detection accurate, and the accuracy of reporting to the police is high, has the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of temperature alarm circuit for Industrial Waste Water Treatments of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of temperature alarm circuit for Industrial Waste Water Treatments of the present invention, comprise thermo-sensitive resistor RL, high speed switch integrated circuit IC2, alarm control circuit IC1, first resistance R1 is to the 4th resistance R4, first LED 1 is to the 3rd LED 3, first diode D1 is to the 3rd diode D3, triode VT, potentiometer RP, loudspeaker BL, switch S and power supply U, the positive pole of power supply U is connected with the first end of switch S, second end of switch S respectively with first power input of alarm control circuit IC1, the first end of potentiometer RP, the sliding end of potentiometer RP, the positive pole of the first LED 1, the positive pole of the second LED 2, the positive pole of the 3rd LED 3, the collector of triode VT is connected with the first end of high speed switch integrated circuit IC2, the high-triggering end of alarm control circuit IC1 is connected with the first end of the first resistance R1, the low triggering end of alarm control circuit IC1 is connected with second end of the first resistance R1 and the first end of the second resistance R2 respectively, the first sound alarm signal output ends of alarm control circuit IC1 is connected with the positive pole of the first diode D1, the second sound alarm signal output ends of alarm control circuit IC1 is connected with the first end of the 3rd resistance R3, the control signal input end of alarm control circuit IC1 is connected with second end of potentiometer RP, the first optically-controlled signal output terminal of alarm control circuit IC1 is connected with the negative pole of the first LED 1 and the negative pole of the second diode D2 respectively, the second optically-controlled signal output terminal of alarm control circuit IC1 is connected with the negative pole of the second LED 2, the 3rd optically-controlled signal output terminal of alarm control circuit IC1 is connected with the negative pole of the 3rd LED 3 and the negative pole of the 3rd diode D3 respectively, power supply U negative pole respectively with second end of the second resistance R2, second end of the 3rd resistance R3, the first end of thermo-sensitive resistor RL, the negative pole of the first diode D1, the first end of loudspeaker BL is connected with second end of high speed switch integrated circuit IC2, second end of thermo-sensitive resistor RL respectively with the emitter of triode VT and the three-terminal link of high speed switch integrated circuit IC2, the base stage of triode VT is connected with the first end of the 4th resistance R4, second end of the 4th resistance R4 is connected with the positive pole of the second diode D2 and the positive pole of the 3rd diode D3 respectively, 4th end of high speed switch integrated circuit IC2 is connected with second end of loudspeaker BL.
The model of high speed switch integrated circuit IC2 is QT3353.
Claims (1)
1. the temperature alarm circuit for Industrial Waste Water Treatments, it is characterized in that: comprise thermo-sensitive resistor, high speed switch integrated circuit, alarm control circuit, first resistance is to the 4th resistance, first light emitting diode is to the 3rd light emitting diode, first diode is to the 3rd diode, triode, potentiometer, loudspeaker, switch and power supply, the positive pole of described power supply is connected with the first end of described switch, second end of described switch respectively with the first power input of described alarm control circuit, the first end of described potentiometer, the sliding end of described potentiometer, the positive pole of described first light emitting diode, the positive pole of described second light emitting diode, the positive pole of described 3rd light emitting diode, the collector of described triode is connected with the first end of described high speed switch integrated circuit, the high-triggering end of described alarm control circuit is connected with the first end of described first resistance, the low triggering end of described alarm control circuit is connected with the second end of described first resistance and the first end of described second resistance respectively, first sound alarm signal output ends of described alarm control circuit is connected with the positive pole of described first diode, second sound alarm signal output ends of described alarm control circuit is connected with the first end of described 3rd resistance, the control signal input end of described alarm control circuit is connected with the second end of described potentiometer, first optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described first light emitting diode and the negative pole of described second diode respectively, second optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described second light emitting diode, 3rd optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described 3rd light emitting diode and the negative pole of described 3rd diode respectively, described power cathode respectively with the second end of described second resistance, second end of described 3rd resistance, the first end of described thermo-sensitive resistor, the negative pole of described first diode, the first end of described loudspeaker is connected with the second end of described high speed switch integrated circuit, second end of described thermo-sensitive resistor respectively with the emitter of described triode and the three-terminal link of described high speed switch integrated circuit, the base stage of described triode is connected with the first end of described 4th resistance, second end of described 4th resistance is connected with the positive pole of described second diode and the positive pole of described 3rd diode respectively, 4th end of described high speed switch integrated circuit is connected with the second end of described loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488160.0A CN104568206A (en) | 2013-10-17 | 2013-10-17 | Temperature alarm circuit used for industrial wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488160.0A CN104568206A (en) | 2013-10-17 | 2013-10-17 | Temperature alarm circuit used for industrial wastewater treatment |
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| Publication Number | Publication Date |
|---|---|
| CN104568206A true CN104568206A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310488160.0A Pending CN104568206A (en) | 2013-10-17 | 2013-10-17 | Temperature alarm circuit used for industrial wastewater treatment |
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| CN (1) | CN104568206A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973440A (en) * | 2016-05-07 | 2016-09-28 | 徐帆 | IoT-based weighing device used for industrial production |
-
2013
- 2013-10-17 CN CN201310488160.0A patent/CN104568206A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973440A (en) * | 2016-05-07 | 2016-09-28 | 徐帆 | IoT-based weighing device used for industrial production |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |