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Ultrasonic transducer installation structure and ultrasonic flowmeter

A technology for installing structures and transducers, which is used in the measurement of flow/mass flow, liquid/fluid solid measurement, instruments, etc. It can solve the problem of inability to measure fluid flow in small diameter pipelines, and avoid energy decomposition and refraction loss. , the effect of improving the transmission intensity and prolonging the transmission distance

Active Publication Date: 2018-12-21
BEIJING INST OF CONTROL ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an ultrasonic transducer installation structure and an ultrasonic flowmeter, which can adjust the ultrasonic propagation distance to meet the measurement accuracy requirements, thereby effectively solving the problem that the traditional clamp-on installation structure cannot measure small tubes. Fluid flow problems in diameter pipes

Method used

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  • Ultrasonic transducer installation structure and ultrasonic flowmeter
  • Ultrasonic transducer installation structure and ultrasonic flowmeter
  • Ultrasonic transducer installation structure and ultrasonic flowmeter

Examples

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Embodiment

[0040] see figure 1 , 2 , an ultrasonic flowmeter, comprising an upstream pipeline 1, an upstream transducer mounting structure 2, a measuring pipeline 3, a downstream transducer mounting structure 4 and a downstream pipeline 5, the structural body material is titanium alloy, and the measuring pipeline The inner diameter is 10mm, these 5 parts are connected by plug welding, and the length of the measuring pipeline is 150mm.

[0041] Both the upstream transducer mounting structure 2 and the downstream transducer mounting structure 4 include a structural body and an ultrasonic transducer, wherein the structural body includes a first mounting interface, a second mounting interface and a fluid channel, and the first mounting interface It is used to connect the measuring pipeline 3, the second fitting is used to connect the upstream pipeline 1 or the downstream pipeline 5, and the fluid passage is formed inside the structural body and arranged between the first fitting and the Be...

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Abstract

The invention discloses an ultrasonic transducer mounting structure and an ultrasonic flowmeter. The flowmeter comprises an upstream pipeline, an upstream transducer mounting structure, a measuring pipeline, a downstream transducer mounting structure and a downstream pipeline. The ultrasonic transducer mounting structure comprises a structure body and an ultrasonic transducer. The structure body comprises a first mounting connector, a second mounting connector and a fluid channel. The first mounting connector is used for mounting the measuring pipeline, and the second mounting connector is used for mounting the upstream pipeline or the downstream pipeline. The fluid channel is formed inside the structure body and arranged between the first mounting connector and the second mounting connector. The ultrasonic transducer is further mounted on the end side, opposite to the first mounting connector, of the structure body. The emitting surface of the ultrasonic transducer directly faces the first mounting connector, and ultrasonic waves sent from the ultrasonic transducer are made to be perpendicular to the cross section of the fluid channel and the cross section of the measuring pipeline and to enter fluid of the measuring pipeline.

Description

technical field [0001] The invention relates to the field of flow measuring instruments, in particular to an installation structure of an ultrasonic transducer in an ultrasonic flow meter. Background technique [0002] Ultrasonic flowmeter is a kind of measuring instrument that calculates the flow rate of fluid by measuring the time difference between forward flow and reverse flow of ultrasonic waves in fluid. Ultrasonic flowmeter has the characteristics of simple structure, fast response, large measurement range, good stability and high precision. In addition, the ultrasonic flowmeter is also a non-contact measuring instrument, which will not cause pressure loss to the measuring pipeline, has no requirements on the measuring medium, and can measure the flow rate of various gases and liquid media. The above characteristics make ultrasonic flowmeters widely used, and many applications of ultrasonic flowmeters can be seen in various fields such as industry, agriculture, medic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/66
Inventor 于洋李宗良武葱茏李湘宁刘国西汤章阳潘海林纪嘉龙焦焱王俊杰
Owner BEIJING INST OF CONTROL ENG
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