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Multi-point liquid level sensor calibration device and calibration method

A liquid level sensor and calibration device technology, applied in the field of sensors, can solve problems such as inability to achieve calibration, achieve the effect of increasing portability, facilitating calibration, and meeting the needs of calibration

Inactive Publication Date: 2020-05-22
SHANGHAI SPACE PRECISION MACHINERY RES INST
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  • Abstract
  • Description
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Problems solved by technology

However, this sensor is not a sensor of conventional structure and needs to be repurchased
At the same time, calibration is still not possible for existing sensors on the market

Method used

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  • Multi-point liquid level sensor calibration device and calibration method

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Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0028] like figure 1 As shown, the patent embodiment of the present invention provides a calibration of a five-point infrared photoelectric liquid level sensor, which mainly includes: a frame 1 , a bracket 2 , a linear module 3 , a measuring cylinder 4 and a base 5 . The frame 1 is the main structure of the calibration device, which is used to connect other parts of the device; the bracket 2 fixes the liquid level sensor to be calibrated through the pipe clamp 6 on it; the linear module 3 is installed o...

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Abstract

The invention provides a multi-point liquid level sensor calibration device and calibration method. The multi-point liquid level sensor calibration device comprises a rack 1, a support 2, a linear module 3, a measuring cylinder 4 and a base 5. The rack 1 and the measuring cylinder 4 are arranged on the base 5, and the measuring cylinder 4 is internally used for accommodating a medium required by calibration; the linear module 3 is connected to the rack 1 and is in driving connection with the support 2; and the support 2 is provided with a fixing structure used for fixing a sensor to be calibrated. The calibration device provided by the invention meets the calibration requirements of the liquid level sensors with different length specifications, and improves the reliability of the sensors.

Description

technical field [0001] The invention relates to the field of sensors, in particular to a multi-point liquid level sensor calibration device and a calibration method. Background technique [0002] The liquid level sensor is an important instrument for measuring the liquid level, and its measurement accuracy directly affects the measurement results of the liquid level data. The current sensor verification method can only prove whether it can be triggered, and the way of hand-held sensor immersion may cause process vibration, which cannot achieve accurate calibration. In addition, with the increase of the service period of the sensor, there is a hidden danger that the accuracy of the sensor itself will gradually deteriorate. Therefore, in order to improve the reliability and accuracy of the sensor, it is necessary to study the calibration device and calibration method of the liquid level sensor. [0003] Patent document CN104949739B discloses a device for on-site calibration ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F25/00
CPCG01F25/20
Inventor 杨斯达邵帅叶顺坚刘立安赵舵乐斌董智军
Owner SHANGHAI SPACE PRECISION MACHINERY RES INST
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