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Thermal reaction type pressure detector

A detector, thermal reaction technology, applied in the direction of fluid pressure measurement through thermal devices, measurement of fluid pressure, fluid pressure measurement by changing ohmic resistance, etc.

Active Publication Date: 2021-09-10
GOALTOP TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are currently no pressure detectors that use pressure-induced temperature changes to detect pressure

Method used

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Examples

Experimental program
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Embodiment Construction

[0010] figure 1 Shows the first embodiment of the heat-responsive pressure detector 10 of the present invention, which includes a substrate 12, a pressure detection module 14, a reference module 16 and a control circuit 18, the pressure detection module 14 detects The temperature change is used to detect the pressure value. The reference module 16 is used to eliminate the influence of the ambient temperature of the thermal response pressure detector 10 on the pressure detection module 14, so that the pressure detection module 14 only detects the pressure generated by the pressure change. For example, when the user holds the heat-responsive pressure detector 10 , the reference module 16 can eliminate the influence of the user's body temperature on the pressure detection module 14 . The pressure detection module 14 includes a thermally sensitive material 141, a thermally conductive coating 142 and a housing 143. The reference module 16 comprises a thermally sensitive material 16...

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Abstract

The invention discloses a thermal reaction type pressure detector, which comprises a pressure detection module and a reference module, wherein the pressure detection module utilizes a first heat-sensitive material to detect the temperature changing due to the pressure, and judges the pressure value according to the change of the resistance value of the first heat-sensitive material; and the reference module utilizes a second heat-sensitive material to sense the ambient temperature so as to eliminate the influence of the ambient temperature.

Description

technical field [0001] The present invention relates to a pressure detector, in particular to a heat-response pressure detector which uses temperature change to detect pressure. Background technique [0002] Current pressure detectors can be divided into three types: capacitive pressure detectors that use pressure to cause capacitance changes to detect pressure; piezoelectric pressure detectors that use pressure to generate voltage changes to detect pressure; A piezoresistive pressure sensor that changes resistance to detect pressure. There are currently no pressure detectors that detect pressure using the temperature change caused by pressure. Contents of the invention [0003] The object of the present invention is to provide a thermally responsive pressure detector that uses temperature changes to detect pressure. [0004] According to the present invention, a heat-responsive pressure detector includes a substrate, a pressure detection module and a reference module. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L9/02G01L11/00G01K7/22
CPCG01L9/02G01L11/002G01K7/22
Inventor 严振洪吕胤嘉
Owner GOALTOP TECH CORP