CO<sub>2</sub>探测仪反射镜组件设计

韦跃峰; 蔺超; 薛浩; 郑玉权

doi:10.3788/OPE.20172503.0641

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CO₂探测仪反射镜组件设计

微纳技术与精密机械 | 更新时间：2020-07-07

- CO₂探测仪反射镜组件设计
- Design of mirror subassembly in CO₂ sounder
- 光学精密工程 2017年25卷第3期页码：641-647
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
  
  [ "韦跃峰 (1989-), 男, 吉林农安人, 硕士, 研究实习员, 2012年于长春理工大学获得学士学位, 2014年于哈尔滨工业大学获得硕士学位, 主要从事光谱仪器结构设计及光谱定标方面的研究。E-mail:wyflovezpp@126.com" ]
  [ "蔺超 (1984-), 男, 内蒙古呼伦贝尔人, 硕士, 助理研究员, 2007年、2009于吉林大学分别获得学士、硕士学位, 主要从事光谱仪器结构设计及光谱定标方面的研究。E-mail:linchao@ciomp.ac.cn" ]
- 基金信息：
  
  国家863高技术发展计划资助项目(2011AA12A102);国家863高技术研究发展计划资助项目(2013AA122001);国家863高技术研究发展计划资助项目(2015AA123801-02)
- DOI：10.3788/OPE.20172503.0641
  中图分类号：
- 收稿日期：2016-06-21，
  
  录用日期：2016-7-25，
  
  纸质出版日期：2017-03-25
- 稿件说明：
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韦跃峰, 蔺超, 薛浩, 等. CO₂探测仪反射镜组件设计[J]. 光学精密工程, 2017,25(3):641-647.

Yue-feng WEI, Chao LIN, Hao XUE, et al. Design of mirror subassembly in CO₂ sounder[J]. Optics and precision engineering, 2017, 25(3): 641-647.
韦跃峰, 蔺超, 薛浩, 等. CO₂探测仪反射镜组件设计[J]. 光学精密工程, 2017,25(3):641-647. DOI： 10.3788/OPE.20172503.0641.

Yue-feng WEI, Chao LIN, Hao XUE, et al. Design of mirror subassembly in CO₂ sounder[J]. Optics and precision engineering, 2017, 25(3): 641-647. DOI： 10.3788/OPE.20172503.0641.

摘要

为了降低重力、力学试验、发射条件以及因材料线胀系数差异导致的热变形对CO

探测仪反射镜面形产生的影响，从反射镜组件材料选择、结构设计和配合方式几个方面进行了分析。采用SiC材料制作反射镜，结合反射镜的环形支撑方式，通过有限元分析对镜体进行轻量化设计。选取线胀系数较小的殷钢材料，利用三角形结构的稳定性和双脚架柔性结构的灵活性设计出简易可靠的反射镜支撑结构。反射镜与支撑结构接触面为1:50的锥度面，通过环氧树脂进行胶接。在严格的工艺条件控制下，对反射镜组件进行精密加工和装配。对反射镜组件进行力学试验测试，结果表明在

向、

向的一阶频率分别为445，423和444 Hz，与有限元分析结果接近。试验后镜面面形变化量PV值小于1/10

，RMS值小于1/30（

=632.8 nm）。证明了CO

探测仪反射镜组件结构设计与装调的合理性，满足空间高光谱成像要求。

Abstract

To lower the impact of thermal deformation due to gravity

mechanical test

launching environment and linear expansion coefficient difference of the material on mirror surface of the CO

sounder

an analysis was conducted in material selection

structural design and cooperation mode of the mirror subassembly. In the analysis

SiC material was adopted for mirror making

and light weight design was carried out in the mirror body through finite element analysis based on ring-shaped support mode of the mirror; then invar materials with relatively small liner expansion coefficient were selected to design simple and reliable mirror support structure based on stability of the triangle structure and flexible structure of the bipod; the mirror and support structure formed a 1:50 taper surface through epoxy resin adhesive. Then in strict process conditions

precise machining and assembly and mechanical test were conducted in the mirror subassembly. The results show that primary frequencies in the

direction

direction and

direction are respectively 445 Hz

423 Hz and 444 Hz

approximate to results from the finite element analysis. After such test

the mirror surface shape variation PV is lower than 1/10

with a RMS value lower than 1/30

(

=632.8 nm). It proves that structural design and adjustment of the CO

sounder mirror subassembly

which are reasonable

can meet the requirements of imaging spectrometer.

关键词

Keywords

references

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CO2探测仪反射镜组件设计

Design of mirror subassembly in CO2 sounder

DOI：10.3788/OPE.20172503.0641

摘要

Abstract

关键词

Keywords

references

CO₂探测仪反射镜组件设计

Design of mirror subassembly in CO₂ sounder