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An online wind speed measurement system and testing method

A measurement system and wind speed technology, which is applied in the direction of measuring fluid speed by using a swirl flowmeter, which can solve the problems of low wind speed measurement and achieve accurate and good measurement results

Active Publication Date: 2017-08-04
CHONGQING MAS SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above-mentioned deficiencies existing in the prior art, the object of the present invention is how to solve the problem that the low wind speed cannot be accurately measured, and provide an online wind speed measurement system and testing method

Method used

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  • An online wind speed measurement system and testing method
  • An online wind speed measurement system and testing method
  • An online wind speed measurement system and testing method

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Experimental program
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Embodiment

[0037] Example: see figure 1 , figure 2 as well as image 3 , an online wind speed measurement system, including a test pipeline 1, a monitoring board 2, a differential pressure detection circuit, a voltage signal acquisition and conversion circuit, a single-chip microcomputer, a communication module and a receiving terminal. The test pipeline 1 includes two pipe bodies and a flange connecting the two pipe bodies, a through hole through the flange is arranged radially on the flange, and a connecting bracket is provided at the through hole; The monitoring board 2 is fixedly connected to the connecting bracket through a plug-in connector, and the horizontal plane where the monitoring board 2 is located passes through the axis of the test pipeline 1 .

[0038] The monitoring board 2 includes a piezoelectric plate 21 with a piezoelectric effect, on the piezoelectric plate 21 is provided with a number of hemispherical protrusions 22 made of nano-piezoelectric material, and the h...

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Abstract

The invention discloses an online wind speed measurement system and a test method. The measurement system includes a test pipeline, a monitoring board, a differential pressure detection circuit, a voltage signal acquisition conversion circuit, a single-chip microcomputer, a communication module, and a receiving terminal; the test method is as follows: 1) Place the measurement system in the wind field; 2) Measure the wind speed through the detection board, and convert the wind speed signal into a voltage signal; 3) Then collect the voltage signal through the differential pressure detection circuit, and transmit it after the voltage signal acquisition conversion circuit to the single-chip microcomputer; 4) process the received concave voltage signal through the single-chip microcomputer and restore it to wind speed; 5) the single-chip microcomputer sends the wind speed signal to the receiving terminal through the communication module. The invention has simple structure, convenient test and can accurately measure low wind speed.

Description

technical field [0001] The invention relates to the technical field of wind speed monitoring, in particular to an online wind speed measurement system and a testing method capable of accurately measuring low wind speeds. Background technique [0002] At present, there are mainly mechanical, pressure, thermal, and acoustic methods for wind speed online monitoring technology. According to these test methods, corresponding mechanical rotary anemometers, pressure anemometers, thermal anemometers, acoustic anemometers, vortex anemometers, etc. have been formed on the market. However, there is a common defect in the different existing wind speed test methods: the measurement of low wind speed <7m / s is inaccurate, and effective measurement cannot be carried out for ultra-low wind speed <0.3m / s. Moreover, due to the unique gas laminar flow characteristics of low wind speed, neither the pressure type nor the thermal type can detect data or the detection is inaccurate. The mech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P5/01
Inventor 刁家久罗方红胡慧平
Owner CHONGQING MAS SCI & TECH CO LTD
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