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Coriolis force mass flowmeter

A mass flowmeter and Coriolis force technology, applied in the field of flowmeters, can solve the problem of low monitoring sensitivity, and achieve the effects of low inductance, sensitive inductance, and high-precision detection

Active Publication Date: 2017-12-15
大连美天三有电子仪表有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] The invention proposes a Coriolis force mass flowmeter, which solves the problems of low monitoring sensitivity in the prior art

Method used

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  • Coriolis force mass flowmeter
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  • Coriolis force mass flowmeter

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] Such as figure 1 As shown, the Coriolis mass flowmeter includes a cylinder body 10, a measuring tube 20 disposed in the cylinder body 10, a driving part 30 disposed in the middle of the measuring tube 20 and capable of exciting its vibration, and a driving part 30 disposed in the cylinder body 10 and used The displacement detection sensor 50 is driven to detect the operation of the drive unit 30 .

[0027] Please also see figure 2 , the cylinder body...

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Abstract

The invention provides a Coriolis force mass flowmeter. The Coriolis force mass flowmeter comprises a cylinder body, a measuring pipe arranged in the cylinder body, a driving part which is arranged in the middle of the measuring pipe and can stimulate deformation vibration of the measuring pipe and a driving deflection detection sensor which is arranged in the cylinder body and is used for detecting the movement of the driving part, wherein an additional vibrator is further fixedly arranged at the portion, corresponding to the driving part, of the middle of the measuring pipe, and has sensitivity to Coriolis force, and the sensitivity of driving vibration is low. Due to the design of the additional vibrator, the Coriolis force mass flowmeter is sensitive to Coriolis force, and the sensitivity of the driving vibration is low, and Coriolis force can be detected with high precision.

Description

technical field [0001] The invention relates to a flowmeter, in particular to a Coriolis force mass flowmeter. Background technique [0002] In the pharmaceutical, food and other industrial fields, it is very important to determine the flow in the pipeline for the monitoring, control and production of the process. The mass flow in pipelines is usually measured by flowmeters. The flowmeters commonly used in closed pipeline systems can be divided into electromagnetic flowmeters, ultrasonic flowmeters, matrix flowmeters and Coriolis flowmeters. [0003] Coriolis flow meters have many advantages over other flow meters. It can measure mass flow very accurately by a direct method, while other types of flowmeters can only measure volume flow and require additional calculations to convert to mass flow, and the measurement principle of the Coriolis flowmeter is related to the physical properties of the fluid Regardless, it will not be affected by changes in pressure, density and te...

Claims

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Application Information

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IPC IPC(8): G01F1/84
CPCG01F1/845
Inventor 王贤健吕锡文孙邵关孙文
Owner 大连美天三有电子仪表有限公司
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