Pressure testing device

Abstract

The invention belongs to testing devices and discloses a pressure testing device. The pressure testing device comprises a pressure induction piece, an inductor outer shell support, an induction spring, an inductor outer shell, a piezoelectric type pressure sensor, a charge amplifier, an electric potential display instrument, a pressure display instrument and wires, and the inductor outer shell is made of explosion-proof material. By the adoption of the design that the inductor outer shell is made of the explosion-proof material, the pressure testing device can perform precise tests on kinds of pressure including overpressure and impact wave pressure, and precision of the pressure tests is ensured through reasonable combination of the piezoelectric type pressure sensor, the charge amplifier, the electric potential display instrument, the pressure display instrument and other instruments.

Description

technical field [0001] The invention belongs to testing equipment and relates to a pressure testing device. Background technique [0002] At present, the research on pressure testing devices at home and abroad has entered an in-depth research. As far as simple pressure testing is concerned, it can be obtained through theoretical calculations, precision instrument tests, or roughly obtained through ordinary instruments. In terms of technology, the theoretical calculation is too cumbersome, the amount of calculation is large, time-consuming and labor-intensive, and the correct result may not be obtained. For the test of precision instruments, the cost is relatively high. Generally, these precision instruments are only available in national key There are laboratories in some large enterprises, which are expensive for ordinary researchers and small and medium-sized enterprises, and rough testing of ordinary instruments is not an advisable way, and the test results may have large...

AI Technical Summary

Problems solved by technology

[0002] At present, the research on pressure testing devices at home and abroad has entered an in-depth research. As far as simple pressure testing is concerned, it can be obtained through theoretical calculations, precision instrument tests, or roughly obtained through ordinary instruments. In terms of technology, the theoretical calculation is too cumbersome, the amount of calculation is large, time-consuming and labor-intensive, and the correct result may not be obtained. For the test of precision instruments, the cost is relatively high. Generally, these precision instruments are only available in national key There are laboratories in some large enterprises, which are expensive for ordinary researchers and small and medium-sized enterprises, and rough testing of ordinary instruments is not an advisable way, and the test results may have large errors. said, there is a large discrepancy

[0003] At present, there are no systematic treatises at home and abroad on the issue of pressure testing technology, but due to the rapid development of piezoelectric pressure sensors in recent years, high-performance sensors of various ranges emerge in endlessly, coupled with multi-channel data recording and storage instruments, so that the pressure test, especially the overpressure, is not an unattainable difficulty, and the development of computer and its interface technology in recent years has made the pressure, especially the data processing of the overpressure test more accurate, Convenient

Images