Small propeller rotation speed measurement device and measurement method thereof

A speed measurement and propeller technology, which is applied in the field of small propeller speed measurement devices, can solve the problems of difficult operation and high measurement cost, and achieve the effects of reducing measurement cost, large measurement space and wide application range

Pending Publication Date: 2019-07-05
GUIZHOU MINZU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method has requirements for computer transportation speed, algorithm real-time performance, camera frame rate and shutter, so it is not easy to operate during measurement, and the measurement cost is high

Method used

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  • Small propeller rotation speed measurement device and measurement method thereof
  • Small propeller rotation speed measurement device and measurement method thereof
  • Small propeller rotation speed measurement device and measurement method thereof

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Embodiment

[0038] Such as Figure 1-6 As shown, the present embodiment provides a small-sized propeller rotational speed measuring device, including telescopic legs, a horizontally arranged first measuring ring 4, a horizontally arranged second measuring ring 5, a laser transmitter 8, a laser receiver 15, and a support frame 3 and the data acquisition computer 13, the telescopic legs are fixedly connected to the bottom surface of the first measuring ring 4 by welding, the first measuring ring 4 is supported by the telescopic legs, the second measuring ring 5 is positioned vertically above the first measuring ring 4, and the second measuring ring 5 is positioned vertically above the first measuring ring 4. The circle centers of the second measuring ring 5 and the first measuring ring 4 are located on the coaxial line, the second measuring ring 5 and the first measuring ring 4 are metal shells, and the diameters of the second measuring ring 5 and the first measuring ring 4 are 200mm One en...

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Abstract

The invention relates to a small propeller rotation speed measurement device and a measurement method thereof and belongs to the field of automatic detection. The measurement device comprises telescopic supporting legs, a first measurement ring which is set horizontally, a second measurement ring which is set horizontally, a laser transmitter, a laser receiver, a supporting frame and a data collection computer. The telescopic supporting legs are fixedly connected with a bottom surface of the first measurement ring. The second measurement ring is located above the first measurement ring. One end of the supporting frame is fixedly connected with the first measurement ring, and the other end is fixedly connected with the second measurement ring. The laser transmitter is fixedly connected withthe first measurement ring. The laser receiver is fixedly connected with the second measurement ring. The laser receiver and the laser transmitter are set oppositely. The data collection computer iselectrically connected with the laser receiver. The measurement device has the beneficial effects that the whole measurement device is completely independent, is integrated and is not connected with apropeller and a control system thereof, so mounting is convenient and repaid and measurement is facilitated.

Description

technical field [0001] The invention belongs to the field of automatic detection, and in particular relates to a small propeller speed measuring device and a measuring method thereof. Background technique [0002] A propeller is a device that converts the rotational power of an electric motor into propulsion, and is an important part of aircraft and ships. The real-time dynamic rotational speed measurement of the propeller is of great significance to the analysis of the aerodynamic characteristics of the propeller and the modeling of the aircraft system. [0003] At present, the methods for measuring the rotational speed of the propeller can be divided into: (1) measuring the rotational speed of the propeller by measuring the rotational speed of the driving motor of the propeller. This method transforms the problem of measuring the rotational speed of the propeller into the problem of measuring the rotational speed of the motor. At present, the motor speed measurement metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P3/36
CPCG01P3/36
Inventor 杨伟力杨盛毅罗达灿叶志伟刘超
Owner GUIZHOU MINZU UNIV
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