An auxiliary device, system, and calibration method for pressure sensor calibration.
By using a rotating component and a measuring device as auxiliary devices in a rotating state to obtain theoretical pressure values to calibrate the pressure sensor, the problems of expensive and complex equipment in the prior art are solved, and a simple and high-precision calibration effect is achieved.
CN116878730BActive Publication Date: 2026-06-30INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
- Filing Date
- 2023-06-21
- Publication Date
- 2026-06-30
Smart Images
Figure CN116878730B_ABST
Abstract
This invention relates to the field of metrological calibration equipment, specifically providing an auxiliary device for calibrating pressure sensors, comprising: a support; and a rotating assembly mounted on the support, wherein the rotating assembly includes a rotating plate mounted on the support and a calibration rod mounted on the rotating plate, wherein the calibration rod is a hollow structure. This invention also provides a calibration system, including an auxiliary device, a measuring device, a tachometer, and a host computer; furthermore, it provides a calibration method for calibrating the output pressure value of a pressure sensor under rotation based on theoretical pressure values and measured pressure values under rotational conditions. This invention offers simple calibration operation and high accuracy.
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