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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 pressure detection accuracy reduction, reduce the possibility of clogging, improve pressure detection accuracy, and prevent particles from depositing or remaining in the pressure mouth effect

Active Publication Date: 2022-04-01
东莞市华芯联科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the electronic fluorinated liquid circulation will produce some Tiny particles, long-term accumulation of particles, will deposit and block the pressure port, resulting in reduced pressure detection accuracy

Method used

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Embodiment Construction

[0024] The technical solutions of the present invention will be further described below with reference to the accompanying drawings. It will be appreciated that the specific embodiments described herein are merely illustrative of the invention and are not limited thereto. It will also be also to be explained, and only the parts associated with the present invention are shown in the drawings rather than all.

[0025] In the present invention, some orientations are defined, and when not explained, the orientation used, such as "upper", "lower", "left", "right", "within", "outside" It is for easy understanding, and thus does not constitute a limit to the scope of the present invention.

[0026] In the present invention, unless otherwise expressly specified and defined, the first feature "upper" or "lower" or "lower" may include direct contact between the first and second features, and may include first and second features. It is not directly in contact with additional feature between...

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Abstract

The invention relates to a pressure sensor, which comprises a pressure detection unit, a mounting part and a lower box body, and is characterized in that the pressure detection unit is used for detecting the pressure of liquid; the pressure detection unit is arranged on the upper side of the mounting part, and a pressure opening used for allowing the liquid to enter and exit is formed in the position, opposite to the pressure detection unit, of the mounting part; a lower box body is connected to the lower side of the mounting part, a guide transition groove is formed in a bottom plate of the lower box body, and a liquid opening communicated with one end of the guide transition groove is further formed in the lower box body. The pressure sensor provided by the invention is used for detecting the pressure of the liquid so as to improve the detection precision.

Description

Technical field [0001] The present invention relates to the technical field of pressure detecting devices, and more particularly to a pressure sensor. Background technique [0002] In the prior art, the pressure sensor typically includes a sealing cover, a pressure port, a pressure detecting chip, and a digital-to-analog conversion chip. The pressure detecting chip and the digital-to-analog conversion chip are disposed in the sealing cover, and the pressure port is opened on the sealing cover, and is disposed opposite the pressure detecting chip to contact the sensitive surface of the liquid to detect the chip, so that the pressure detection chip acquires the liquid. pressure. In the prior art, the pressure sensor is in condensation, high humidity or nonionic liquid applications, especially for a long time during long-term operation in electron fluorinated fluid (superculed coolant), especially long-term, and has a long period of time. Tiny particulate matter, the accumulation of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L11/00G01L19/06
Inventor 谢文袁宇飞
Owner 东莞市华芯联科技有限公司
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