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Edge scanning mirror assembly of ultraviolet hyperspectral atmospheric component detector

A hyperspectral and detector technology, applied in the field of ultraviolet hyperspectral atmospheric detection, can solve the problems of the scanning mirror assembly passing the rotation axis, high moment of inertia, and difficult clamping, etc., to achieve simple and reliable assembly, reduce weight and moment of inertia, The effect of small clamping stress

Pending Publication Date: 2022-01-07
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Problems solved by technology

The plane mirror pointing component mentioned in the invention patent has a 4-point support on the back and is fixed by the crankshaft. Although the problem of the over-rotation axis of the scanning mirror component has been solved to a certain extent, in order to achieve high surface accuracy, the crankshaft and 4 connecting columns bring problems such as difficult clamping, complicated assembly, and high moment of inertia

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  • Edge scanning mirror assembly of ultraviolet hyperspectral atmospheric component detector
  • Edge scanning mirror assembly of ultraviolet hyperspectral atmospheric component detector
  • Edge scanning mirror assembly of ultraviolet hyperspectral atmospheric component detector

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0022] see Figure 1-3 , a limb scanning mirror assembly of an ultraviolet hyperspectral atmospheric composition detector, comprising a scanning mirror 1, a conical connecting sleeve 2, a fixed block 3 and a rotating shaft 4, wherein,

[0023] The scanning mirror 1 is a φ80mm circular plane reflector made of silicon carbide material. Lightweight settings are made around the back of the mirror body, and the width of the lightweight ribs is 2mm; the side of the scanning mirror 1 is provided with a φ16mm through hole 101. It is mounted on the rotating shaft 4; the center of the back of the scanning mirror 1 is equipped with a φ40mm tapered blind hole 102 at the large end, and the size and taper match the tapered connecting sleeve 2;

[0024] The tapered connecting sleeve 2 is made of Invar material that matches the linear expansion coefficient o...

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Abstract

The invention discloses an edge scanning mirror assembly of an ultraviolet hyperspectral atmospheric component detector. The edge scanning mirror assembly comprises a scanning mirror, a conical connecting sleeve, a fixing block and a rotating shaft. The scanning mirror adopts a back single-point supporting pre-embedded conical connecting sleeve mode, and the assembly is simple; meanwhile, the scanning mirror is in taper fit with the conical connecting sleeve and is centrally supported by the rotating shaft, so that the rigidity of the mirror body, especially the central part, is improved; meanwhile, the rotation axis of the rotating shaft is designed to pass through the mass center of the scanning mirror assembly, static balance around the rotation axis is achieved, extra balance weight structures do not need to be added, and the weight and rotational inertia of the scanning mirror assembly are greatly reduced. Through the precision control of the fixing block and the taper sleeve, the connection stress and the thermal adaptability of the mirror body can be effectively improved, and the clamping stress is greatly reduced.

Description

technical field [0001] The invention relates to the field of ultraviolet hyperspectral atmospheric detection, in particular to a limb scanning mirror assembly of an ultraviolet hyperspectral atmospheric component detector. Background technique [0002] The limb detection of the ultraviolet hyperspectral atmospheric composition detector is to detect the atmosphere in the tangential direction of the earth, and collect the scattered radiation of trace gases in the atmosphere within the field of view of the instrument. The brightness of the scattered radiation changes with the wavelength and the height of the limb. The spectral characteristics of the scattered radiation in the atmosphere can be used to retrieve the spatial distribution information of atmospheric trace gases. In order to obtain the atmospheric detection requirements in the tangential direction, the instrument is equipped with a limb scanning mechanism in the front optical path to complete it. The edge scanning m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25G01N21/01G01J3/06G02B26/10G02B26/08
CPCG01N21/25G01N21/01G01J3/06G02B26/105G02B26/0816G01J2003/064
Inventor 沈威薛辉顾家鹏司福祺武艺李亚超陈军刘凤垒
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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