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Sensor for measuring gas water content

A sensor and water content technology, which is applied in the field of sensors and sensors for measuring the water content of gas, can solve the problems of long measurement time and inconvenient use, and achieve the effects of stable measurement data, easy disassembly and replacement, and accurate measurement results

Inactive Publication Date: 2008-12-24
石兆奇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the measurement time of the existing technology for measuring the water content of the gas is relatively long, and segmental measurement is required, which is inconvenient to use

Method used

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  • Sensor for measuring gas water content
  • Sensor for measuring gas water content
  • Sensor for measuring gas water content

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 , 2 As shown, the sensor for measuring the water content of gas provided in this embodiment includes an air chamber 1, a base 2, a filter screen 3, a crystal oscillator 4, and a three-stage amplifier tube 5; the air chamber 1 is a cylinder with an inner hollow, The air chamber 1 is movably connected to the base 2 (the movably connected can be screwed, clamped, or screwed), the base 2 is provided with a crystal oscillator 4, a three-stage amplifier tube 5, and the crystal oscillator 4 and the three-stage amplifier tube 5 connection, the air chamber 1 is provided with an air inlet 6 and an air outlet 7, and the air chamber 1 is provided with a filter 3, the filter 3 is a cylinder, and the filter 3 is fully in contact with the air chamber 1; the crystal oscillator 4 A layer of hydrophilic film is attached to the inner wall, and several holes 8 are opened on the top of the crystal oscillator 4 .

[0020] Open the top of the crystal oscillator 4, and attac...

Embodiment 2

[0022] Such as figure 2 , 3 , 4, and 5, the sensor for measuring the water content of gas provided in this embodiment includes an air chamber 1, a base 2, a filter screen 3, a crystal oscillator 4, and a three-stage amplifier tube 5; the air chamber 1 is a hexagonal prism , the inner space is hollow, and its cut surface is a regular hexagon with an inscribed circle. The air chamber 1 is movably connected to the base 2 (the movably connected can be screwed, clamped, or connected with screws), and the base 2 is provided with Crystal oscillator 4, three-stage amplifying tube 5, crystal oscillator 4 is connected with three-stage amplifying tube 5, the air chamber 1 is provided with an air inlet 6 and an air outlet 7, and a filter screen 3 is provided in the air chamber 1, and the filter screen 3 is a cylinder body, the filter screen 3 is fully in contact with the air chamber 1; a layer of hydrophilic film is attached to the inner wall of the crystal oscillator 4, and several hol...

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Abstract

The invention discloses a sensor used for measuring the water content of gas, comprising a gas chamber, a base, a filter net, a crystal oscillator, and a three-step amplification pipe; the gas chamber is movably connected on the base which is provided with the crystal oscillator and the three-step amplification pipe; the crystal oscillator is connected with the three-step amplification pipe; the gas chamber is provided with an air inlet and an air outlet; the gas chamber is internally provided with the filter net which is sufficiently contacted with the gas chamber; the internal wall of the crystal oscillator is attached by a hydrophilic film layer; the top of the crystal oscillator is provided with a plurality of holes. The sensor of the invention used for measuring the water content of the gas has the advantages of quick response speed, stable data measuring, long service life and low cost.

Description

technical field [0001] The invention relates to the field of sensors, in particular to the field of sensors for measuring the water content of gas. Background technique [0002] With the development of social economy, in the production process of various large-scale industrial enterprises (such as: coal mines, petroleum, air separation, etc.), in some production links, it is necessary to monitor the gases (such as: NO , O2, etc.) for the necessary water content (dew point) detection, in order to maintain normal production needs. Most of the existing technologies use thin-film capacitive sensors to measure micro-moisture content. Its detection principle is that the planar capacitance gold / alumina reacts humidity based on the change of capacitance value when measuring the humidity of the sample gas. The sensor is based on a layer of pure aluminum deposited on a ceramic substrate. The pure aluminum acts as the anode. A permeable gold film is deposited on the oxide layer. Alumi...

Claims

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Application Information

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IPC IPC(8): G01N27/00
Inventor 石兆奇
Owner 石兆奇
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