Damp-proof pressure sensor

A pressure sensor and pressure technology, applied in the direction of measuring fluid pressure, instruments, measuring devices, etc., can solve the problems of reduced moisture-proof effect, device monitoring data error, and limited moisture-proof effect of pressure sensors, so as to reduce maintenance costs, reduce errors, and measure Precise effect of pressure value

Active Publication Date: 2021-08-27
形翼科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a moisture-proof pressure sensor to solve the problem that the existing pressure sensor has limited moisture-proof effect, and the moisture-proof effect is greatly reduced after working for a long time, resulting in errors in device monitoring data

Method used

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Embodiment Construction

[0034] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0035] The present invention provides such Figure 1-11 A moisture-proof pressure sensor shown includes a casing 1, the casing 1 is composed of an upper casing 101, a lower casing 102 and a mounting cover 103, and the upper casing 101 is connected directly above the lower casing 102 through a sealed packing, so The installation cover 103 is threadedly connected to the top of the upper case 101, the bottom end of the lower case 102 is fixedly connected with a threaded joint 104, one side of the upper case 101 is provided with an exhaust port 105, the upper case 101, the lower case 102 , the threaded connection head 104 communicates with the exhaust port 105, the bottom end of the installation cover 103 is provided with a pressure probe 2, the middle...

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Abstract

A moisture-proof pressure sensor disclosed by the present invention comprises a shell, the shell is composed of an upper shell, a lower shell and a mounting cover, the upper shell is connected right above the lower shell through a sealing packing, and the mounting cover is in threaded connection with the top of the upper shell. A piston blocks or opens an air hole to control air flow to pass through, a first spring and a limiting plate are matched with a limiting sliding groove, during air circulation, a shaft rod ascends to loosen a pull rope, at the moment, a filtering assembly is in a fluffy state and is matched with a cold interface of two spiral refrigerating pipes to condense and liquefy water vapor, air can pass through quickly, and filtering adsorption is completed; furthermore, a drying assembly is used for adsorbing moisture, so that the device can work in a damp-proof environment for a long time, errors are reduced, air supply is stopped after measurement is completed, a piston rebounds, a plurality of extrusion plates compress memory sponge, moisture in the memory sponge is extruded out, the extruded moisture falls on an inclined arc-shaped plate and is conveniently discharged from a cleaning port, and the maintenance cost is reduced.

Description

technical field [0001] The invention relates to the technical field of pressure sensors, in particular to a moisture-proof pressure sensor. Background technique [0002] A pressure sensor for measuring gas pressure, comprising a pressure measuring cell consisting of a base body and a measuring membrane, wherein a pressure chamber is formed between the measuring membrane and the base body. Pressure-dependent measurement The membrane deformation is a measure of the pressure and is converted into an electronic quantity or primary signal in a suitable manner. For processing the primary signal or electron quantity, an electronic circuit, such as a hybrid circuit, is usually provided directly next to the primary signal source, for example on the rear side of the main body remote from the pressure chamber. Although the electronic circuit is arranged within the sensor housing to protect it from dust and the like, it is still exposed to ambient air. In this case, in particular fluc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L19/14G01L19/06
CPCG01L19/142G01L19/144G01L19/0654
Inventor 孙翘楚
Owner 形翼科技(上海)有限公司
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