Integrated electric voltage detector based on strain effect

Abstract

The invention relates to an electronic pressure measuring device, in particular to an all-in-one electronic pressure measuring device based on the strain effect, and solves the problem that a pressure sensor that is configured in an existing electronic pressure measuring device has large volume, thus causing that the existing electronic pressure measuring device has an oversize whole volume and can not satisfy the use requirement of volume-constrained occasions. The all-in-one electronic pressure measuring device based on the strain effect comprises a barrel-shaped shell and an end cover that is fixed at the end of the barrel-shaped shell and made of elastic metallic materials, and a protective inner barrel is arranged inside the barrel-shaped shell and used for placing a measuring circuit; electrical resistance strain gages that are respectively used for sensing pressure change and temperature change are fixed in the middle and on the lateral wall of the inner surface of the end cover and connected with an input end of the measuring circuit. The all-in-one electronic pressure measuring device based on the strain effect has simple structure, small volume, low production cost, wide application range, and all the performance indexes that reach the testing requirements.

Description

technical field [0001] The invention relates to an electronic pressure gauge, in particular to an integrated electronic pressure gauge based on the strain effect. Background technique [0002] The electronic pressure gauge is a special test instrument suitable for the gun bore pressure test. It is suitable for putting in the pressure test equipment for the transient pressure test in the special environment of high temperature and high pressure in the gun bore. According to the particularity of its use environment, the electronic The pressure gauge has the following requirements: 1. It can withstand the high pressure in the chamber and the instantaneous high temperature accompanying the high pressure. The high pressure can reach 800MPa, and the instantaneous high temperature can reach 3000°C. Therefore, the environmental adaptability of the electronic pressure gauge is very high. ;2. The electronic manometer needs to keep high and low temperature together with the ammunition....

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the volume of the pressure sensor configured in the existing electronic manometer is large, the overall volume of the electronic manometer is too large to meet the use requirements of the occasion with limited volume (for example: small and medium caliber gun bore pressure test), Provides an all-in-one electronic load cell based on the strain effect

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