星载大气痕量气体差分吸收光谱仪测试转台结构设计

大气与环境光学学报 ›› 2021, Vol. 16 ›› Issue (2): 158-166.

• 光电技术 • 上一篇

星载大气痕量气体差分吸收光谱仪测试转台结构设计

朱磊1;2, 司福祺2∗, 陈军2, 刘凤垒2, 赵敏杰2, 邱晓晗2

1 合肥学院生物食品与环境学院, 安徽合肥 230601; 2 中国科学院合肥物质科学研究院安徽光学精密机械研究所, 中国科学院环境光学与技术重点实验室, 安徽合肥 230031

收稿日期:2020-06-22 修回日期:2021-01-27 出版日期:2021-03-28 发布日期:2021-03-28
通讯作者: E-mail: sifuqi@aiofm.ac. E-mail:sifuqi@aiofm.ac.cn
作者简介:朱磊 (1995 - ), 安徽阜阳人, 硕士, 主要从事光机结构设计和 CAE 方面的研究。 E-mail: 18856025859@163.com
基金资助:
Supported by Natural Science Foundation of Anhui Province (安徽省自然科学基金, 1808085QD114)

Structure Design of Test Turntable for Space-Borne Trace Gas Different Optical Absorption Spectrometer

ZHU Lei1;2, SI Fuqi2∗, CHEN Jun2, LIU Fenglei2, ZHAO Minjie2, QIU Xiaohan2

1 School of Biological Food and Environment, Hefei University, Hefei 230601, China; 2 Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China

Received:2020-06-22 Revised:2021-01-27 Published:2021-03-28 Online:2021-03-28
Supported by:
Natural Science Foundation of Anhui Province

摘要/Abstract

摘要： 在星载大气痕量气体差分吸收光谱仪的研制过程中, 需要对其信噪比、光谱分辨率、光谱定标精度等性能指标进行测试, 为此需要设计专用二维转台以实现不同视场在不同角度下的测试。根据光谱仪参数测试要求, 提出转台设计方案, 设计转台结构, 建立三维模型, 并对主要零部件进行选型。转台的方位轴 ±180◦ 转动, 满足 114◦ 的主视场测试要求; 俯仰轴 ±20◦ 翻转, 实现太阳视场需求; 机械定位精度为 ±0.01◦。转台提供两种安装方式, 光谱仪竖立安装进行太阳视场测试, 水平安装进行主视场测试。转台支撑框架在不同的工况下承受载荷的作用, 利用有限元软件对框架结构进行仿真, 分析结果验证了框架设计的合理性。

关键词: 星载大气痕量气体差分吸收光谱仪, 测试转台, 支撑框架, 有限元分析

Abstract: In the development of space-borne trace gas different optical absorption spectrometer, it is necessary to test the performance indexes such as signal-to-noise ratio, spectral resolution and spectral calibration accuracy. Therefore, a special two-dimensional turntable needs to be designed to test different field of view at different angles. According to the test requirements of spectrometer parameters, the design scheme of the turntable is proposed, and the structure of the turntable is designed, then the three-dimensional model is established, and the main parts of the turntable are selected. The azimuth axis of the designed turntable can rotate ±180◦, which meets the requirements of 114◦ main field of view test, the pitching axis can rotate ±20◦ to meet the requirements of solar field of view, and the mechanical positioning accuracy of the turntable is ±0.01◦. The turntable provides two installation methods, where vertical installation is for solar field test and horizontal installation for main field of view test. The structure of the turntable supporting frame is simulated under different working conditions by using finite element software, and the rationality of the frame design is verified.

Key words: space-borne trace gas different optical absorption spectrometer, test turntable, supporting frame; finite element analysis

中图分类号:

TP23

朱磊, 司福祺∗, 陈军, 刘凤垒, 赵敏杰, 邱晓晗. 星载大气痕量气体差分吸收光谱仪测试转台结构设计[J]. 大气与环境光学学报, 2021, 16(2): 158-166.

ZHU Lei, SI Fuqi∗, CHEN Jun, LIU Fenglei, ZHAO Minjie, QIU Xiaohan. Structure Design of Test Turntable for Space-Borne Trace Gas Different Optical Absorption Spectrometer[J]. Journal of Atmospheric and Environmental Optics, 2021, 16(2): 158-166.

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星载大气痕量气体差分吸收光谱仪测试转台结构设计

Structure Design of Test Turntable for Space-Borne Trace Gas Different Optical Absorption Spectrometer

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