Angle adaptive differential pressure flowmeter

A differential pressure flowmeter and self-adaptive technology, applied in the field of flowmeters, can solve problems such as measurement errors and achieve the effect of improving accuracy

Inactive Publication Date: 2019-09-06
BEIJING INST OF STRUCTURE & ENVIRONMENT ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention provides an angle-adaptive differential pressure flowmeter to solve the measurement error caused by the fluid flow deviation angle in the pipeline or the installation deviation angle of the flowmeter in the existing flow measurement. The error automatically corrects the speed correction coefficient to improve the accuracy of pipeline flow measurement

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Embodiment Construction

[0027] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0028] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides an angle adaptive differential pressure flowmeter. The angle adaptive differential pressure flowmeter comprises a cylinder body, pressure taking holes, pressure equalizing cavities, a pressure guiding pipe, a multi-channel differential pressure sensor, a meter head, a mounting joint and a pipeline, wherein three pressure equalizing cavities are axially formed inside the cylinder body, the three pressure equalizing cavities are ndependent of one another and are not communicated with one another, three rows of pressure taking holes are axially formed in the side wall of the cylinder body in an incident flow direction along the axial direction of the cylinder body, each row comprises a plurality of the pressure taking holes, three rows of the pressure taking holes are communicated with the three pressure equalizing cavities respectively, and the pressure equalizing cavities are used for equalizing static pressure differences of the rows of pressure taking holes along the axial direction. The angle adaptive differential pressure flowmeter can automatically correct the measurement errors caused by a flow deflection angle of a fluid in the pipeline or an installation deflection angle of the flowmeter in the existing flow measurement, thereby improving the precision of pipeline flow measurement.

Description

technical field [0001] The invention relates to the technical field of flowmeters, in particular to an angle adaptive differential pressure flowmeter. Background technique [0002] As a basic physical quantity, flow is widely used in various scientific research, production and life. Research on flow measurement technology and equipment is of great significance to industrial production, energy transmission, power engineering and other aspects. At present, according to the different measurement methods of flowmeter, it can be divided into thermal type, differential pressure type, electromagnetic type, ultrasonic type, vortex flowmeter, etc. Among various flow measurement methods, differential pressure flowmeter is the oldest and most widely used. It has the advantages of simple structure, stable and reliable performance, long service life, etc. Narrow and other shortcomings, and these limit its development. Aiming at the shortcomings of the universality of traditional differ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/50
CPCG01F1/50
Inventor 马平昌李红侯京锋杨志鹏周兴广
Owner BEIJING INST OF STRUCTURE & ENVIRONMENT ENG
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