Three-dimensional flow transducer

A flow velocity sensor, three-dimensional technology, applied in the direction of fluid velocity measurement, instrument, velocity/acceleration/impact measurement, etc., can solve the problems of difficult to meet the three-dimensional flow velocity measurement, difficult to improve the measurement accuracy, high price, etc., to achieve simple structure and service life. long and improved measurement accuracy

Inactive Publication Date: 2011-11-23
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, although there are many types of flow measurement instruments with their own characteristics, they are used in different flow measurement; but the current Pitot tube differential pressure flow sensor, mechanical rotor flow sensor, electromagnetic flow sensor, thermal flow sensor, Doppler Le acoustic flow velocity sensor and PIV particle imaging velocimeter, etc., or the measurement accuracy is difficult to improve, or there are rotating parts, or it is difficult to meet the measurement of three-dimensional flow velocity, or the cost is high and expensive, or there are special requirements for the working environment, etc. , which greatly restricts its application

Method used

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Embodiment Construction

[0030] see image 3 , Figure 4 with Figure 5 , in this embodiment, a gravity balance unit 3, a horizontal force measuring unit 4, a vertical force measuring unit 5, a flexible pendant 6 and a support rod 2 extending to the outside of the axisymmetric rotating housing 1 are arranged inside the axisymmetric rotating housing 1 The axis of the axisymmetric rotating shell 1 is consistent with the direction of gravity; the horizontal force measuring unit 4 is a "ten" beam member in the horizontal plane, and the central end of the "ten" beam 41 is connected with the intermediate support body 43, "ten" The outer end of the word beam 41 is connected with the housing 1 through the floating beam 42, and the "cross" beam 41 is used as the horizontal force sensing unit; the gravity of the housing 1, the horizontal force measuring unit 4 and the gravity balance unit 3 are all determined by The flexible pendant 6 bears;

[0031] see Figure 4 with Image 6 , flexible pendant 6 is conn...

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Abstract

The invention discloses a three-dimensional flow transducer, which is characterized in that a shell is an axial symmetrical rotator; and a horizontal force measuring unit, a gravity balancing unit, a vertical force measuring unit and a support rod extending to the exterior of the shell are arranged inside the shell. The three-dimensional flow transducer has the advantages of no motion components,reliable work, long service life, and capability of measuring three-dimensional flow.

Description

technical field [0001] The invention relates to a flow velocity sensing device, more specifically a flow velocity sensing device which can be used for three-dimensional flow velocity measurement of fluid. Background technique [0002] Velocity is an important basic parameter of fluid, and the measurement of velocity has attracted much attention. For example, the real-time monitoring and measurement of ocean current field is an important content of marine scientific investigation. The movement of ocean water is closely related to phenomena such as El Nino that cause global climate anomalies. Monitoring changes in ocean currents can make timely climate predictions and put forward prevention rules. [0003] In oceans, rivers, and the atmosphere, the velocity of liquid and gas is often presented in the form of a three-dimensional vector, and there are often large differences in the magnitude of velocity components between dimensions. For example, the speed of upwelling in the o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P5/02
Inventor 王勇刘正士葛运建揭德算陈恩伟陆益民王纯贤
Owner HEFEI UNIV OF TECH
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