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Ultrasonic flowmeter

An ultrasonic flowmeter and ultrasonic transducer technology, which is used in the measurement of flow/mass flow, liquid/fluid solid measurement, and measurement devices, etc., can solve the problems of low measurement accuracy, easy damage, and high pressure, so as to improve The effect of simplifying the measurement process

Pending Publication Date: 2017-11-17
SHANGHAI YINUO INSTR
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Problems solved by technology

[0004] The purpose of the present invention is to provide an ultrasonic flowmeter to solve the technical problems of low measurement accuracy and easy damage when the pressure is high in the prior art

Method used

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Embodiment Construction

[0030] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

[0031] see Figure 1 to Figure 6 , The embodiment of the present invention provides an ultrasonic flowmeter, which is suitable for measuring liquid or gas, such as the detection and measurement of oil field wellhead gas, high-pressure natural gas, and process fluids in industries such as energy and environmental protection.

[0032] The ultrasonic flowmeter includes a pressure-bearing housing 1 and multiple sets of transducer assemblies.

[0033] The pressure-bearing shell 1 is connected to the fluid pipe...

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Abstract

The invention discloses an ultrasonic flowmeter. The ultrasonic flowmeter comprises a bearing shell and multiple sets of transducer assemblies, the bearing shell is connected with a fluid pipeline, and can bear the high pressure of 42 MPa; the multiple sets of transducer assemblies are distributed in the circumferential direction of the bearing shell to form multiple channels, and a large beam path can guarantee precise and efficient measurement; every two sets of adjacent transducer assemblies are distributed in a staggered mode in the axial direction of the bearing shell, different cross sections can be formed in the bearing shell, the influence of the flow regime in the bearing shell on the measurement precision is lowered, and the overall measurement precision is improved; each set of transducer assembly comprises two ultrasonic transducers of which the included angle is 50-120 degrees, it is guaranteed that a signal given out by one ultrasonic transducer can be received by the other ultrasonic transducer, and the two ultrasonic transducer alternately serve as a transmitting terminal and a receiving terminal.

Description

technical field [0001] The invention relates to the field of flow measurement, in particular to an ultrasonic flowmeter. Background technique [0002] Ultrasonic flow meters are instruments that measure flow by detecting the effect of fluid flow on ultrasonic beams. Ultrasonic flowmeters are more accurate and stable flowmeters for measuring fluids. Many occasions that require high-precision measurement such as natural gas custody transfer, energy, and environmental protection will choose ultrasonic flowmeters. [0003] The existing ultrasonic flowmeter is installed and used in the pipeline. During the measurement process, due to the continuous change of the flow state of the fluid, large flow fluctuations are generated, resulting in low measurement accuracy of the flowmeter. At present, the measurement of high-pressure medium, especially the measurement of high-pressure gas medium, is relatively weak, and most of the existing ultrasonic flowmeters are used for low-pressure ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/66
CPCG01F1/662
Inventor 李冰雨姜超雷战胜王景帅
Owner SHANGHAI YINUO INSTR
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