Portable air speed measuring apparatus of pipeline

An anemometer and pipeline technology, which is applied in the direction of measuring fluid velocity by using differential pressure, to achieve the effect of increasing the scope of application, reducing the space and increasing the scope of application

Inactive Publication Date: 2012-06-13
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a portable pipeline wind speed measuring instrument, which can overcome the disadv

Method used

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  • Portable air speed measuring apparatus of pipeline
  • Portable air speed measuring apparatus of pipeline
  • Portable air speed measuring apparatus of pipeline

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Embodiment 1

[0022] see figure 1 , the present invention discloses a portable pipeline anemometer, comprising a telescopic circular sleeve-type detection rod 1, the length of the telescopic circular detection rod 1 passes through the static pressure handle 2, the total pressure handle 3 and the rubber The pipe 5 is connected with the wind speed digital display meter 6 .

[0023] see figure 2 , the telescopic sleeve-type detection rod 1 is composed of a group of circular pressure equalizing pipes 10 with different diameters and fixed lengths, which can not only adjust the length of the measuring rod and the position of the measuring point according to the size of the air duct, but also ensure the same The synchronization and accuracy of the wind speed test at each measuring point on the line. Such as figure 2 As shown, the circular pressure equalizing pipe 10 is provided with a dynamic pressure measuring hole 7 , a static pressure measuring hole 8 , and a static pressure measuring hole...

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Abstract

The invention discloses a portable air speed measuring apparatus of a pipeline. The air speed measuring apparatus comprises a detection bar, a static pressure bar, a total pressure bar and an air speed digital display, wherein the length of the detection bar is adjustable and the detection bar is connected with the air speed digital display respectively through the static pressure bar and the total pressure bar. According to the portable air speed measuring apparatus of the pipeline, disclosed by the invention, an air speed detecting element is composed of a plurality of circular equal pressure pipes in a sleeve joint manner, so as to realize the test of a pipeline air speed, greatly improve the testing efficiency and have the synchronism of testing; the detection bar can be adjusted according to the size of an air pipe so that an applicable range is enlarged; by utilizing a digital display mode, the pipeline air speed can be directly displayed and the field numerical reading can be realized. Compared with other similar test devices, the air speed measuring apparatus has the advantages of high measurement efficiency, accuracy, convenience and fastness and the like, has a very strong real meaning in engineering practice, and has great promotion effects on the development in fields of ventilation and air conditioner, particularly a testing technology of the air speed in the pipeline.

Description

technical field [0001] The invention belongs to the technical field of wind speed measurement, and relates to an anemometer, in particular to a portable pipeline anemometer. Background technique [0002] As people's requirements for the indoor environment are getting higher and higher, the control of the air-conditioning system is getting more and more attention. In order to create a better indoor environment, it is often necessary to accurately measure and analyze the wind speed in the air-conditioning duct during the completion acceptance and normal operation of the air-conditioning system. [0003] At present, the most commonly used method for people to measure the wind speed in the air duct is to use the pitot tube anemometer to test point by point. The disadvantage of this method is that there are many measuring points to be tested, and the range of air duct sizes that each specification of Pitot tube can test is limited. It is often necessary to replace Pitot tubes of...

Claims

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Application Information

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IPC IPC(8): G01P5/16
Inventor 邹志军周嘉伟王重超王非牛壮
Owner UNIV OF SHANGHAI FOR SCI & TECH
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