Wind-tunnel balance terminal attitude measurement device and balance calibration method thereof

A technology of wind tunnel balance and measuring device, which is applied in the direction of measuring device, testing of machine/structural components, instruments, etc., to achieve the effect of low cost, simple structure and excellent measuring accuracy

Pending Publication Date: 2019-08-09
中国空气动力研究与发展中心超高速空气动力研究所
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a wind tunnel balance terminal attitude measurement device and its method for balance calibration, to solve the problems of accurate measurement of wind tunnel balance terminal attitude and wind tunnel balance calibration

Method used

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  • Wind-tunnel balance terminal attitude measurement device and balance calibration method thereof
  • Wind-tunnel balance terminal attitude measurement device and balance calibration method thereof
  • Wind-tunnel balance terminal attitude measurement device and balance calibration method thereof

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Embodiment Construction

[0043] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0044] Such as figure 1As shown, a wind tunnel balance terminal attitude measurement device includes a mount 1, an accelerometer and a connector 5, wherein the accelerometer includes three types of accelerometers: roll accelerometer I2, pitch accelerometer 3 and roll accelerometer II4 All of them are coiled quartz accelerometers; the mounting base 1 is a shell structure, including the installation reference plane, the pitch reference plane, the roll reference plane I and the roll reference plane II, wherein the installation reference plane is a flat plate structure , there are a number of evenly distributed mounting screw holes 12 and positioning pin holes 13, wherein the number of positioning pin holes 13 is greater than or equal to 2, and the installation reference plane is located in the XYZ space coordinate system and is parallel ...

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Abstract

The invention relates to the technical field of wind-tunnel balance calibration, and particularly discloses a wind-tunnel balance terminal attitude measurement device and balance calibration method thereof. The wind-tunnel balance terminal attitude measurement device comprises a mounting seat and three accelerometers, wherein the three accelerometers comprise a rolling angle accelerometer I, a pitch angle accelerometer and a rolling angle accelerometer II which are correspondingly mounted on a rolling foundation surface I, a pitching foundation surface and a rolling foundation surface II. According to the wind-tunnel balance terminal attitude measurement device, accurate measurement of the pitch angle and the rolling angle of the wind-tunnel balance terminal in a large range is achieved during single-vector multi-calibration of a wind-tunnel balance, the measurement range of the pitch angle is + / -45 degrees, the measurement range of the rolling angle is + / -180 degrees, the measurementaccuracy is better than 1', and while the attitude measurement accuracy of the wind-tunnel balance terminal is satisfied, the advantages of simpler structure and lower cost are achieved.

Description

technical field [0001] The invention belongs to the technical field of wind tunnel balance calibration, and in particular relates to a wind tunnel balance terminal attitude measurement device and a balance calibration method thereof. Background technique [0002] Wind tunnel balance calibration is one of the main links in the application of wind tunnel balance, and its purpose is to obtain the relationship matrix between the input and output of wind tunnel balance through wind tunnel balance calibration. In the actual use of the wind tunnel balance, the input of the wind tunnel balance, that is, the effective aerodynamic load, can be obtained by back calculation through the relationship matrix between the input and output of the wind tunnel balance and the output of the wind tunnel balance obtained through calibration. The calibration process of the wind tunnel balance is a process of simulating the use state of the wind tunnel balance. When the wind tunnel balance is calibr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M9/06
CPCG01M9/062G01M9/06
Inventor 刘施然乔永强赵荣娟黄军吕治国
Owner 中国空气动力研究与发展中心超高速空气动力研究所
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