Light coaxial three-reflector spatial optical remote sensor structure

A space optical remote sensing and coaxial three-mirror technology, applied in the field of space optics, can solve problems such as poor force and thermal stability, high weight of space optical remote sensors, and low natural frequency, achieve superior specific stiffness, solve stiffness and Mechanical and thermal stability issues, effects of high specific stiffness

Inactive Publication Date: 2015-05-20
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

It can solve the problems of high weight, low natural frequency, poor force and thermal stability of space optical remote sensors, promote the leapfrog development of optical remote sensors, and provide technical support for the development of aerospace products in the direction of light weight

Method used

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  • Light coaxial three-reflector spatial optical remote sensor structure
  • Light coaxial three-reflector spatial optical remote sensor structure
  • Light coaxial three-reflector spatial optical remote sensor structure

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Embodiment Construction

[0023] The inventive idea of ​​the present invention is: the commonly used space optical remote sensor optical system mainly includes the coaxial three-mirror system and the off-axis three-mirror system. According to the index requirements of the optical remote sensor, the present invention selects the coaxial three-mirror optical system to meet the overall requirements According to the requirements of high resolution, large aperture and long focal length, a remote sensor structure that meets the requirements of the optical system is designed according to the characteristics of the optical system. The structure has low weight, high rigidity and good mechanical and thermal stability.

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] Such as figure 2 As shown, the optical remote sensor structure includes a carbon fiber outer hood assembly 14, a silicon carbide secondary mirror assembly 15, a carbon fiber sec...

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Abstract

The invention relates to a light coaxial three-reflector spatial optical remote sensor structure. The light coaxial three-reflector spatial optical remote sensor structure comprises a fibre outer light shield component, a silicon carbide secondary lens component, a carbon fibre secondary lens light shield component, a carbon fibre truss component, a carbon fibre main lens light shield component, a silicon carbide main lens component, a folding lens component, a carbon fibre main back panel component, a focusing mechanism, a carbon fibre rear cover component, a bias current adjusting mechanism, a focal surface component and a silicon carbide ternary lens component. By utilizing the light coaxial three-reflector spatial optical remote sensor structure, the problems of heavy weight, low inherent frequency, poor mechanical and thermal stability and the like in the prior art are solved; the resolution of the spatial optical remote sensor can be improved to the international first-class level, and technical support is provided for acquiring high-quality images.

Description

technical field [0001] The invention belongs to the technical field of space optics, and in particular relates to a light-weight coaxial three-mirror space optical remote sensor structure. Background technique [0002] The main function of the space optical remote sensor is to obtain ground information from outer space, and the core of its space mission is to obtain clear and complete ground detailed survey and census images. [0003] The existing technology closest to the present invention is Guo Quanfeng, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, "Research on the Structure Stability of Coaxial Three-mirror Space Camera", and the space remote sensor structure has been applied to a high-resolution space Camera research project. Such as figure 1 As shown, the structure of the remote sensor is mainly composed of two parts: the lens unit and the fuselage unit. The lens unit is the front half of the main body of the remote sensor,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/182G02B7/198G02B17/06
CPCG02B7/182G02B7/198G02B17/06
Inventor 金光张雷贾学志安源
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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