Dynamic calibration device for small intelligent pressure scanning valve

By designing a small intelligent pressure scanning valve dynamic calibration device, three-dimensional calibration of temperature, pressure, and speed is performed under rotating centrifugal load, which solves the problem of insufficient static calibration in the existing technology, realizes performance verification under high temperature and high pressure environment, and improves the applicability of test data.

CN121364036APending Publication Date: 2026-01-20AVIC GUIYANG ENGINE DESIGN & RES INST
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Patent Information

Application Number
CN202511298520.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2026-01-20

AI Technical Summary

Technical Problem

The calibration of existing pressure scanning valves is performed under static conditions, which lacks the ability to verify their performance under the coupling effects of rotation, high temperature, and high load, thus limiting the applicability of the test data.

Method used

A small intelligent pressure scanning valve dynamic calibration device was designed. It performs three-dimensional calibration of temperature, pressure and speed under a rotating centrifugal load. The device uses an ambient heating cylinder to provide a high temperature and high pressure environment, and combines the electric spindle to drive the pressure scanning valve to rotate for data acquisition.

Benefits of technology

Performance verification under rotation, high temperature, and high load conditions was achieved, improving the calibration accuracy and data applicability of the pressure scanning valve.

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Abstract

The invention discloses a dynamic calibration device for a small intelligent pressure scanning valve. The dynamic calibration device comprises a dynamic calibration device body for conducting temperature-pressure-rotating speed three-dimensional calibration on the pressure scanning valve. Compressed heating air is input into the environment heating cylinder, the electric spindle drives the pressure scanning valve in the pressure scanning valve mounting seat to rotate, the pressure scanning valve obtains a high-temperature and high-pressure environment for data acquisition and calibration under the condition of rotating centrifugal load, and temperature-pressure-rotating speed three-dimensional calibration of the pressure scanning valve is achieved. The problem that the pressure scanning valve only completes calibration under the static condition and lacks the performance verification capability under the rotation, high temperature and high load coupling effect is solved.
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