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Pressure sensor calibration system and method

A pressure sensor and calibration system technology, applied in the detection field, can solve problems such as the inability to accurately calibrate the pressure sensor

Pending Publication Date: 2019-05-24
杭州柔谷科技有限公司
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Problems solved by technology

[0005] Based on this, it is necessary to provide a pressure sensor calibration system and its calibration for the problem that the traditional manual point-by-point calibration method needs to manually control the pressure and reading, which is greatly affected by environmental factors and human factors, and cannot accurately calibrate the pressure sensor. method

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  • Pressure sensor calibration system and method

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Embodiment Construction

[0067] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0068] The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "connection" ment...

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Abstract

The invention relates to a pressure sensor calibration system and method. The pressure sensor calibration system comprises an air source device, a pressure control device, a calibration implementationdevice and a data processing device. The calibration implementation device communicates with the pressure control device and is used for applying pressure to a sensor to be calibrated through gases with different pressures and outputting a plurality of pressure real values. The pressure control device firstly receives a plurality of external preset pressure value commands and presets a pluralityof different pressure values. The pressure control device automatically and continuously outputs the gases with different pressures according to the setting, so that manual control is avoided, and operation errors are reduced. The data processing device simultaneously acquires a preset pressure value, a pressure real value and an electric signal value, so that the time difference of data acquisition is reduced, and synchronization of data acquisition is guaranteed. Furthermore, by the pressure sensor calibration system, the correctness of a calibration model of the sensor to be calibrated is improved, and the calibration accuracy of the sensor to be calibrated is also improved.

Description

technical field [0001] The present application relates to the technical field of detection, in particular to a pressure sensor calibration system and a calibration method thereof. Background technique [0002] A pressure sensor is a sensor that converts a pressure signal into an electrical signal. It is widely used in various industries, involving medical equipment, smart wear, water conservancy and hydropower, railway transportation, intelligent buildings, production automation, aerospace, military industry, petrochemical, oil wells, electric power, ships, machine tools, pipelines and many other industries. [0003] The pressure sensor converts the pressure signal into an electrical signal through the sensitive area. The materials of the sensitive area are different, and the corresponding relationship between the input pressure signal and the output electrical signal is different. The performance of the pressure sensor will change as the number of times of use, the enviro...

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Application Information

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IPC IPC(8): G01L27/00
Inventor 向锋李坤垣屈哲
Owner 杭州柔谷科技有限公司
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