CN203502138U - Temperature alarm circuit used for industrial wastewater treatment - Google Patents
Temperature alarm circuit used for industrial wastewater treatment Download PDFInfo
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- CN203502138U CN203502138U CN201320642302.XU CN201320642302U CN203502138U CN 203502138 U CN203502138 U CN 203502138U CN 201320642302 U CN201320642302 U CN 201320642302U CN 203502138 U CN203502138 U CN 203502138U
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- diode
- light emitting
- control circuit
- resistance
- emitting diode
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- 239000010842 industrial wastewater Substances 0.000 title abstract 3
- 238000004065 wastewater treatment Methods 0.000 title abstract 3
- 239000010865 sewage Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model discloses a temperature alarm circuit used for industrial wastewater treatment. The circuit comprises a temperature sensing resistor, a high speed switch integration circuit, an alarm control circuit, a first resistor, a second resistor, a third resistor, a fourth resistor, a first light emitting diode, a second light emitting diode, a third light emitting diode, a first diode, a second diode, a third diode, a triode, a potentiometer, a loudspeaker, a switch and a power supply. An anode of the power supply is connected with a first terminal of the switch. A second terminal of the switch is connected with a first power supply input terminal of the alarm control circuit, a first terminal of the potentiometer, a sliding terminal of the potentiometer, an anode of the first light emitting diode, an anode of the second light emitting diode, an anode of the third light emitting diode, a collector electrode of the triode and a first terminal of the high speed switch integration circuit. The structure of the temperature alarm circuit used for the industrial wastewater treatment of the utility model is simple. Temperature detection is accurate. Alarm accuracy is high. The circuit possesses a popularization usage value.
Description
Technical field
The utility model relates to a kind of temperature alarm, relates in particular to a kind of temperature alarm circuit of processing for industrial sewage.
Background technology
Temperature alarm is widely applied in every field, temperature alarm can accomplish detected temperatures surpass or lower than set value time send warning, can avoid the harm causing when too low due to excess Temperature or temperature.The complicated structure of traditional temperature alarm, and duty is stable not, and degree of accuracy is not high.
Utility model content
The purpose of this utility model provides a kind of temperature alarm circuit of processing for industrial sewage with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of temperature alarm circuit of processing for industrial sewage, comprise thermo-sensitive resistor, high speed switch integrated circuit, alarm control circuit, the first resistance to the four resistance, the first light emitting diode to the three light emitting diodes, the first diode to the three diodes, triode, potentiometer, loudspeaker, switch and power supply, the positive pole of described power supply is connected with the first end of described switch, the 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 the first light emitting diode, the positive pole of described the second light emitting diode, the positive pole of described the 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 the first resistance, the low triggering end of described alarm control circuit is connected with the first end of described the second resistance with the second end of described the first resistance respectively, the first sound alarm signal output ends of described alarm control circuit is connected with the positive pole of described the first diode, the second sound alarm signal output ends of described alarm control circuit is connected with the first end of described the 3rd resistance, the control signal input end of described alarm control circuit is connected with the second end of described potentiometer, the first optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described the second diode with the negative pole of described the first light emitting diode respectively, the second optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described the second light emitting diode, the 3rd optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described the 3rd diode with the negative pole of described the 3rd light emitting diode respectively, described power cathode respectively with the second end of described the second resistance, the second end of described the 3rd resistance, the first end of described thermo-sensitive resistor, the negative pole of described the first diode, the second end of the first end of described loudspeaker and described high speed switch integrated circuit is connected, the second end of described thermo-sensitive resistor is connected with the emitter of described triode and the 3rd end of described high speed switch integrated circuit respectively, the base stage of described triode is connected with the first end of described the 4th resistance, the second end of described the 4th resistance is connected with the positive pole of described the 3rd diode with the positive pole of described the second diode respectively, the 4th end of described high speed switch integrated circuit is connected with the second end of described loudspeaker.
The beneficial effects of the utility model are:
The temperature alarm circuit that the utility model is processed for industrial sewage simple in structure, temperature detection is accurate, and the accuracy of reporting to the police is high, has the value of promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of temperature alarm circuit of processing for industrial sewage of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of temperature alarm circuit of processing for industrial sewage of the utility model, comprise thermo-sensitive resistor RL, high speed switch integrated circuit IC2, alarm control circuit IC1, the first resistance R 1 is to the 4th resistance R 4, the first LED 1 is to the 3rd LED 3, the first diode D1 to the three 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, the second end of switch S respectively with the 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 R 1, the low triggering end of alarm control circuit IC1 is connected with the first end of the second resistance R 2 with the second end of the first resistance R 1 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 R 3, the control signal input end of alarm control circuit IC1 is connected with the 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 second diode D2 with the negative pole of the first LED 1 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 diode D3 with the negative pole of the 3rd LED 3 respectively, power supply U negative pole respectively with the second end of the second resistance R 2, the second end of the 3rd resistance R 3, the first end of thermo-sensitive resistor RL, the negative pole of the first diode D1, the second end of the first end of loudspeaker BL and high speed switch integrated circuit IC2 is connected, the second end of thermo-sensitive resistor RL is connected with the emitter of triode VT and the 3rd end of high speed switch integrated circuit IC2 respectively, the base stage of triode VT is connected with the first end of the 4th resistance R 4, the second end of the 4th resistance R 4 is connected with the positive pole of the 3rd diode D3 with the positive pole of the second diode D2 respectively, the 4th end of high speed switch integrated circuit IC2 is connected with the second end of loudspeaker BL.
The model of high speed switch integrated circuit IC2 is QT3353.
Claims (1)
1. a temperature alarm circuit of processing for industrial sewage, it is characterized in that: comprise thermo-sensitive resistor, high speed switch integrated circuit, alarm control circuit, the first resistance to the four resistance, the first light emitting diode to the three light emitting diodes, the first diode to the three diodes, triode, potentiometer, loudspeaker, switch and power supply, the positive pole of described power supply is connected with the first end of described switch, the 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 the first light emitting diode, the positive pole of described the second light emitting diode, the positive pole of described the 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 the first resistance, the low triggering end of described alarm control circuit is connected with the first end of described the second resistance with the second end of described the first resistance respectively, the first sound alarm signal output ends of described alarm control circuit is connected with the positive pole of described the first diode, the second sound alarm signal output ends of described alarm control circuit is connected with the first end of described the 3rd resistance, the control signal input end of described alarm control circuit is connected with the second end of described potentiometer, the first optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described the second diode with the negative pole of described the first light emitting diode respectively, the second optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described the second light emitting diode, the 3rd optically-controlled signal output terminal of described alarm control circuit is connected with the negative pole of described the 3rd diode with the negative pole of described the 3rd light emitting diode respectively, described power cathode respectively with the second end of described the second resistance, the second end of described the 3rd resistance, the first end of described thermo-sensitive resistor, the negative pole of described the first diode, the second end of the first end of described loudspeaker and described high speed switch integrated circuit is connected, the second end of described thermo-sensitive resistor is connected with the emitter of described triode and the 3rd end of described high speed switch integrated circuit respectively, the base stage of described triode is connected with the first end of described the 4th resistance, the second end of described the 4th resistance is connected with the positive pole of described the 3rd diode with the positive pole of described the second diode respectively, the 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 |
|---|---|---|---|
| CN201320642302.XU CN203502138U (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 |
|---|---|---|---|
| CN201320642302.XU CN203502138U (en) | 2013-10-17 | 2013-10-17 | Temperature alarm circuit used for industrial wastewater treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203502138U true CN203502138U (en) | 2014-03-26 |
Family
ID=50333109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320642302.XU Expired - Fee Related CN203502138U (en) | 2013-10-17 | 2013-10-17 | Temperature alarm circuit used for industrial wastewater treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203502138U (en) |
-
2013
- 2013-10-17 CN CN201320642302.XU patent/CN203502138U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141017 |
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| EXPY | Termination of patent right or utility model |