Detecting method and device for curved surface precision of dish parabolic reflecting mirror
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United States of America Patent
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Mar 3, 2015
Grant Date -
Jul 24, 2014
app pub date -
Apr 27, 2012
filing date -
Sep 15, 2011
priority date (Note) -
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Abstract
A method and device for detecting a precision of a dish parabolic reflecting mirror are provided. Accurate coordinate values of positions on an X-axis and a Y-axis may be obtained by adjusting and controlling a double helix lifting mechanism, a 360-degree plane rotary mechanism, a telescoping mechanism, and an extension rod, and using a photoelectric position sensor with a high precision and the extension rod being measured. Then, the curved surface of the dish paraboloid reflecting mirror being detected is obtained by fitting sampling values of the coordinate values of spatial positions of the detecting points at various, and the precision error value by comparing the curved surface of the dish paraboloid reflecting mirror being detected to the theoretical curved surface, thereby realizing detection of the precision of the curved surface of the dish paraboloid reflecting mirror.
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