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High-precision intelligent gas pressure source

A gas pressure, high-precision technology, applied in the measurement of fluid pressure, measuring devices, instruments, etc., can solve the problems of large pressure source, inportability, incapability of intelligence, etc., and achieve the effect of reducing vibration, light weight and wide pressure range

Active Publication Date: 2021-02-12
BEIJING CHANGCHENG INST OF METROLOGY & MEASUREMENT AVIATION IND CORP OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the actual needs of on-site pressure calibration, in order to solve the problem that the pressure source in the on-site calibration of gas pressure parameters is large, not portable, and cannot intelligently, quickly and accurately provide any pressure specified by the user, the purpose of the present invention is to provide a high-precision intelligent gas pressure source , to provide an intelligent, fast, portable, automatic, and high output gas pressure source for on-site pressure calibration

Method used

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  • High-precision intelligent gas pressure source

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Embodiment 1

[0047] Such as figure 1 As shown, this embodiment discloses a high-precision intelligent gas pressure source of the present invention, including a micro air pressure pump 1, an air container A2, a pressure switch A3, a proportional valve 4, an electric high-pressure pump 5, a filter 6, an air container B7, and a solenoid valve C8, gas capacity C9, pneumatic valve 10, pressure switch B11, negative pressure sensor 12, solenoid valve A13, vacuum pump 14, pressure switch C15, gas capacity D16, pressure sensor 17, solenoid valve B18, output terminal 19, solenoid valve D20, Instrument control system 21 .

[0048] Among them, the miniature pneumatic pump 1, air capacity A2, pressure switch A3, and proportional valve 4 together form the driving source part of the pneumatic valve 10, which provides the driving source for the pneumatic valve 10 in the positive pressure output channel; the electric high-pressure pump 5, filter 6, Gas container B7, solenoid valve C8, gas container C9, pn...

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Abstract

The invention discloses a high-precision intelligent gas pressure source, and belongs to the field of static pressure measurement and calibration. A micro pneumatic pump, a gas capacitor A, a pressureswitch A and a proportional valve jointly form a driving source part of the pneumatic valve, and the driving source part is used for providing a driving source for the pneumatic valve of a positive pressure output passage; An electric high-pressure pump, a filter, a gas capacitor B, an electromagnetic valve C, a gas capacitor C, a pneumatic valve, a pressure switch B, a gas capacitor D, a pressure sensor, an electromagnetic valve B and the output end jointly form the positive pressure output passage of the whole high-precision intelligent gas pressure source. A negative pressure sensor, an electromagnetic valve A, a vacuum pump, a pressure switch C, the gas capacitor D and the output end jointly form a negative pressure output passage of the whole high-precision intelligent gas pressure source. The positive pressure gas source and the negative pressure are both provided with the gas capacitors, and the gas supply efficiency and the output stability of the gas source can be improved. The invention aims to provide the high-precision intelligent gas pressure source, and provides an intelligent, quick, portable and automatic gas pressure source with high output precision for field pressure calibration.

Description

technical field [0001] The invention relates to an intelligent pressure source, in particular to a high-precision intelligent gas pressure source, which belongs to the technical field of pressure calibration. Background technique [0002] Usually, in the on-site test and calibration of gas pressure parameters, the calibration device or test equipment used needs an external gas source system. When the negative pressure parameters are calibrated and tested, a vacuum pump is usually used as the input of the negative pressure gas source. In traditional test calibration, positive pressure and negative pressure detection are often done separately, requiring different calibration instruments, and each uses a set of gas source systems, and some pressure test calibration equipment covers the measurement of positive pressure and negative pressure. There is usually an interface for connecting the air pressure source, and the air source needs to be replaced when the positive pressure a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L27/00
CPCG01L27/005
Inventor 王洋张爽爽赵启迪付佳豪盛晓岩
Owner BEIJING CHANGCHENG INST OF METROLOGY & MEASUREMENT AVIATION IND CORP OF CHINA
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