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A liquid level gauge verification device and method

A verification device and liquid level gauge technology, applied in the field of measurement, can solve the problems of inaccurate liquid level gauge verification results and difficult control of liquid level changes.

Active Publication Date: 2019-07-16
SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The problem solved by the present invention is that, because the liquid level change is not easy to control, the verification result of the existing liquid level gauge is not accurate enough; in order to solve the above problem, the present invention provides a liquid level gauge verification device and method

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  • A liquid level gauge verification device and method
  • A liquid level gauge verification device and method

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Embodiment Construction

[0017] Hereinafter, the present invention will be further described in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 As shown, the liquid level gauge verification device provided by the present invention includes: a verification barrel, a liquid level gauge lifting mechanism 8, and an optical measurement system; the liquid level in the verification barrel remains unchanged; the liquid level gauge 6 passes through the clamp 7 Installed on the liquid level gauge lifting mechanism 8, the liquid level gauge lifting mechanism 8 drives the liquid level gauge 6 to move vertically to the liquid surface in the verification tank through the clamp 7; the optical measurement system measures the movement distance of the clamp 7.

[0019] continue to refer figure 1 , the optical measurement system has achieved good application in the field of measurement. The optical measurement system used in the embodiment of the present invention includes: a firs...

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Abstract

The invention discloses a liquid level calibrating apparatus and method. The liquid level calibrating apparatus comprises a calibrating barrel, a liquid level elevating mechanism and an optical measuring system, wherein a height of a liquid level of the calibrating barrel is remained the same; a liquid level meter is installed on a liquid level meter elevating mechanism via a clamp; the liquid level meter elevating mechanism drives the liquid level meter to move up and down in a way of being perpendicular to the liquid level of the calibrating barrel via the clamp; and the a motion distance of the clamp can be measured by the optical measuring system. By the use of the liquid level calibrating apparatus and method, liquid level meter calibration precision can be improved and calibration can be easily achieved.

Description

technical field [0001] The invention relates to the field of measurement, in particular to a liquid level meter verification device and method. Background technique [0002] At present, the domestic liquid level gauge verification work is completed by using the water tank verification device according to the JJG 971-2002 "Liquid Level Gauge" verification regulations. The liquid level gauge with a range of less than 2m is installed on the verification water tank, which is realized by adjusting the water level of the verification water tank to each verification point and reading the water level indication of each verification point in the up and down stroke. For liquid level gauges with a range greater than 2m, the full-scale verification method needs to be verified by simulating the liquid level. This form of analog conversion will increase the uncertainty of the measurement results. However, there are many types of liquid level gauges, complex simulation methods, many measu...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F25/00
Inventor 杨洋朱跃李东升胡佳成王梅宝刘月瑶
Owner SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY
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