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liquid pressure sensor

A technology of liquid pressure and sensors, applied in the field of sensors, to achieve the effects of stable fluctuations, variable test ranges, and reduced test values

Inactive Publication Date: 2017-08-25
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at present, there is no liquid pressure sensor with simple structure and flexible installation and adjustment.

Method used

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Experimental program
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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] Such as figure 1 As shown, a liquid pressure sensor includes a sensor base 1, a sensor outer sleeve 2, a sensor inner sleeve 3, a sensor test assembly 4, a sensor support block assembly 5, a wire hole 6, and the like.

[0022] The sensor support block assembly 5 is fixedly connected to the sensor base 1, the sensor base 1 is equipped with a sensor outer sleeve 2 and a sensor inner sleeve 3, and each of the side walls of the sensor outer sleeve 2 and the sensor inner sleeve 3 is provided with a set of The long round holes for entering and exiting the liquid are arranged in a staggered manner, and the length direction of the long round holes on the sensor inner sleeve 3 is 45 degrees to the axis direction of the sensor outer sleeve, and the length direction of the oblong holes on the sensor outer sleeve 2 is aligned with the axis of the sensor oute...

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Abstract

The invention relates to a liquid pressure sensor, which is provided with a sensor supporting block assembly for installing a sensor test assembly, wherein the sensor supporting block assembly is fixedly connected onto a sensor base, a sensor outer sleeve and a sensor inner sleeve are arranged on the sensor base, two groups of staggered long circular holes for feeding and discharging liquid are respectively formed in side walls of the sensor outer sleeve and the sensor inner sleeve, a 45-degree angle is formed between the length direction of the long circular holes in the sensor inner sleeve and the direction of the axial line of the sensor outer sleeve, and the length direction of the long circular holes in the sensor outer sleeve is consistent to the direction of the axial line of the sensor outer sleeve, so that the wave of liquid flowing into the sensor inner sleeve is damped, the test values of the liquid level fluctuate smoothly, and the test accuracy is improved; a sensor elastic diaphragm in the sensor test assembly is fixed on a sensor elastic diaphragm support seat, and a resistance strain gage is distributed on the sensor elastic diaphragm and is utilized to test the pressure of borne liquid.

Description

technical field [0001] The invention relates to a sensor, especially a liquid pressure sensor. Background technique [0002] Liquid level sensor (static pressure liquid level gauge / liquid level transmitter / liquid level sensor / water level sensor) is a pressure sensor for measuring liquid level. Based on the principle that the measured liquid static pressure is proportional to the height of the liquid, the static pressure is converted into an electrical signal, and then converted into a standard electrical signal after temperature compensation and linear correction. It is suitable for liquid level measurement of various media in petrochemical, metallurgy, electric power, pharmaceutical, water supply and drainage, environmental protection and other systems and industries. The compact structure, simple adjustment and flexible installation provide convenience for users to use easily. But at present, there is no liquid pressure sensor with simple structure and flexible installat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L9/04G01F23/18
Inventor 纪林章石钢张云龙朱志涵
Owner SHANGHAI INST OF TECH
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