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Composite foul gas sensor detecting device

A detection device and odorous gas technology, applied in the direction of material electrochemical variables, etc., can solve the problems of limited gas components detected, sensor type restrictions, and lack of real-time performance, so as to improve accuracy, reduce online detection interference factors, and realize The effect of qualitative and quantitative detection

Inactive Publication Date: 2016-07-20
HEBEI UNIV OF TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The application number is 201210280808.0, which discloses a gas sensor device and a concentration measurement method using a gas sensor. It uses a single gas sensor to detect a specific gas component. Due to the limitation of the sensor type, the gas components that can be detected are also limited, and there is no real-time

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  • Composite foul gas sensor detecting device
  • Composite foul gas sensor detecting device
  • Composite foul gas sensor detecting device

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] The invention provides a composite malodorous gas sensor detection device (abbreviation device, see Figure 1-3 ), characterized in that the device comprises an air intake unit 1, a sampling pool unit 2 and a processing unit 3; the air intake unit 1 is connected to the sampling pool unit 2; the sampling pool unit 2 is connected to the processing unit 3;

[0020] The air intake unit 1 includes two gas storage bottles 11, a mass flow meter 13 and a three-way valve 15; the two gas storage bottles 11 correspond to the t...

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Abstract

The invention discloses a composite foul gas sensor detecting device which comprises a gas inlet unit, a sampling pool unit and a processing unit. The gas inlet unit is connected with the sampling pool unit which is connected with the processing unit. The gas inlet unit comprises two gas storage cylinders, a mass flow meter and a three-way valve. The sampling pool unit comprises at least one gas sampling module, a diaphragm pump, a sampling pool unit shielding wire and a power line. The gas inlet unit is used for providing detected gas with stable flow velocity and background gas with a flushing effect and ensuring the rapid switching of the detected gas and the background gas. A sensor for detecting foul gas and a signal conditioning circuit board matched with the sensor are put in the sampling pool unit so that complex foul components can be extracted and analyzed. The processing unit further processes signals collected by the sensor so that a gas reaction curve can be obtained and finally evaluates the concentration level of foul gas.

Description

technical field [0001] The invention relates to the field of environmental monitoring and control, in particular to a composite malodorous gas sensor detection device. Background technique [0002] Stench is a general term for various odors. There are many kinds of stench gases. The stench substances monitored and controlled by the current national standards are: carbon disulfide, dimethyl disulfide, hydrogen sulfide, trimethylamine, styrene, ammonia, methyl mercaptan and methyl sulfide. . With the development of the economy, people's awareness of environmental protection is constantly increasing. As a kind of environmental pollution, stench has been paid more and more attention by people. It is necessary to detect the stench, analyze the possible stench pollution, and put forward practical measures. To ensure that people have a comfortable air environment. [0003] One of the traditional odor detection research is "instrumental method (component concentration display meth...

Claims

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Application Information

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IPC IPC(8): G01N27/26
CPCG01N27/26
Inventor 刘伟玲杨彩双冉多钢康磊丰柱坤赵哲王召陈鹏石敬龙
Owner HEBEI UNIV OF TECH
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