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Design Method of Rectifier for Ultrasonic Flowmeter

A design method and rectifier technology, applied in the ultrasonic field, can solve the problems of poor rectifier effect and large measurement accuracy error of ultrasonic flowmeter, and achieve the effects of small measurement error, improved measurement accuracy and good rectification effect.

Active Publication Date: 2018-07-10
TANCY INSTR GRP
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Problems solved by technology

[0005] The invention provides a design method for a rectifier of an ultrasonic flowmeter, which is used to solve the problem that the effect of the rectifier is relatively poor due to the unreasonable opening of the rectifier, and the measurement accuracy error of the ultrasonic flowmeter is relatively large.

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  • Design Method of Rectifier for Ultrasonic Flowmeter
  • Design Method of Rectifier for Ultrasonic Flowmeter
  • Design Method of Rectifier for Ultrasonic Flowmeter

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Embodiment Construction

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0056] figure 1 It is a flow chart of an embodiment of the design method of the rectifier of the ultrasonic flowmeter of the present invention. Such as figure 1 As shown, the design method of the ultrasonic flowmeter rectifier of the present embodiment includes:

[0057] 101. Select multiple pitch circles on the rectifier plate used to design t...

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Abstract

The invention provides a method for designing a rectifier of an ultrasonic flowmeter. The method includes: selecting a plurality of pitch circles on a rectifier plate used for designing the rectifier; determining the total area of ​​the flow guide holes on the rectifier plate and the cross-sectional area of ​​the pipeline Corresponding relationship; according to the corresponding relationship between the total area of ​​the diversion holes on the rectifying plate and the cross-sectional area of ​​the pipeline and the cross-sectional area of ​​the pipeline, determine the total area of ​​the diversion holes on each pitch circle; Determine the number of diversion holes on each pitch circle by the total area of ​​the diversion holes; determine the diversion holes on each pitch circle according to the total area of ​​the diversion holes on each pitch circle and the number of diversion holes on each pitch circle The size of the aperture; according to the number of diversion holes on each pitch circle and the size of the aperture of the diversion holes on each pitch circle, determine the position of the diversion holes on each pitch circle. Adopting the technical scheme of the invention can make the rectification effect of the rectifier of the ultrasonic flowmeter better, make the measurement error of the ultrasonic flowmeter very small, and improve the measurement accuracy of the ultrasonic flowmeter.

Description

technical field [0001] The invention relates to the field of ultrasonic technology, in particular to a design method for a rectifier of an ultrasonic flowmeter. Background technique [0002] Ultrasonic flowmeter is one of the most rapidly developed flowmeters in recent years. It is a measurement technology that uses the flow velocity information of the fluid when the ultrasonic signal propagates in the fluid to measure the fluid flow. It has non-contact measurement, high measurement accuracy, Wide measurement range, convenient installation and maintenance and other outstanding advantages are often applied to the flow measurement of gas, natural gas, oil and gas. [0003] In the practical application of ultrasonic flowmeter, when the fluid is in a turbulent state in the pipeline, the fluid flow will become unstable, and the small change of the flow velocity is easy to develop and strengthen, forming a turbulent and irregular turbulent flow field, so it is usually added in the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/66
Inventor 杨鸣金定飞徐永鹏鲁法利
Owner TANCY INSTR GRP
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