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Simple gas detector for exhaust gas treatment

A gas detector and waste gas treatment technology, applied in the direction of material resistance, etc., can solve the problems of high use cost, poor detection effect, danger, etc., and achieve the effect of simple structure and low use cost

Inactive Publication Date: 2015-05-06
四川宝英环境技术有限公司
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AI Technical Summary

Problems solved by technology

[0002] Many industrial waste gases are highly dangerous. During the treatment process, the concentration of the waste gas needs to be monitored at all times. The general gas concentration detection system includes sensors, signal conditioning circuits, switch control circuits, analog / digital conversion circuits and digital display circuits. Between the switch control circuit and the analog / digital conversion circuit, we need to set up a gas detector to remind the staff on site, compare the detected signal voltage with the voltage set by the factory itself, and give an alarm according to the situation after the result is obtained. At present, the simple gas detector used for waste gas treatment has a relatively complicated structure, high cost of use, and poor detection effect, which brings certain dangers to the staff.

Method used

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  • Simple gas detector for exhaust gas treatment

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with accompanying drawing:

[0011] Such as figure 1 As shown, the present invention includes a first capacitor C1, a second capacitor C2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an indicator light EL, a first triode Q1, the second transistor Q2, the third transistor Q3, diode D, relay K, potentiometer RP, gas sensor QM, battery E and switch S, the first capacitor C1 and the second capacitor C2 are polar Capacitor, the first triode Q1 is PNP type, the second triode Q2 and the third triode Q3 are both NPN type, the first end of the third resistor R3 is connected with the positive pole of the first capacitor C1, the first three The emitter of the electrode tube Q1, the first end of the first resistor R1, the first end of the gas sensor QM, the positive electrode of the battery E and the first end of the indicator light EL are connected, ...

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Abstract

The invention discloses a simple gas detector for exhaust gas treatment. The simple gas detector includes a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, an indicating lamp, a first triode, a second triode, a third triode, a diode, a relay, a potentiometer, a gas sensor, a battery and a switch. The simple gas detector has the advantages of simple structure and low use cost, is mainly composed of a gas detection circuit, a controlled oscillator circuit and an alarm circuit, can adjust the detection sensitivity of the whole circuit according to actual conditions, and can emit a flash alarm signal when the content of toxic gases in the exhaust gas exceeds a limit in order to remind staff pay attention to safety.

Description

technical field [0001] The invention relates to a gas detector, in particular to a simple gas detector used for waste gas treatment. Background technique [0002] Many industrial waste gases are highly dangerous. During the treatment process, the concentration of the waste gas needs to be monitored at all times. The general gas concentration detection system includes sensors, signal conditioning circuits, switch control circuits, analog / digital conversion circuits and digital display circuits. Between the switch control circuit and the analog / digital conversion circuit, we need to set up a gas detector to remind the staff on site, compare the detected signal voltage with the voltage set by the factory itself, and give an alarm according to the situation after the result is obtained. At present, the simple gas detectors used for waste gas treatment have relatively complicated structure, high cost of use, and poor detection effect, which brings certain dangers to the staff. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/04
Inventor 陈亚波晏坤
Owner 四川宝英环境技术有限公司
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