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二氧化碳探测仪典型透镜支撑结构的设计及分析

梁彪,  刘伟

文章导航 > 中国光学（中英文）  > 2011 >  4(4): 388-396.
梁彪, 刘伟. 二氧化碳探测仪典型透镜支撑结构的设计及分析[J]. 中国光学（中英文）, 2011, 4(4): 388-396.
引用本文: 梁彪, 刘伟. 二氧化碳探测仪典型透镜支撑结构的设计及分析[J]. 中国光学（中英文）, 2011, 4(4): 388-396.
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LIANG Biao, LIU Wei. Design and analysis of support structure for typical lens of carbon dioxide detector[J]. Chinese Optics, 2011, 4(4): 388-396.
Citation: LIANG Biao, LIU Wei. Design and analysis of support structure for typical lens of carbon dioxide detector[J]. Chinese Optics, 2011, 4(4): 388-396.
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二氧化碳探测仪典型透镜支撑结构的设计及分析

  • 1.

    中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033;

  • 2.

    中国科学院 研究生院, 北京 100039

基金项目: 

国家863高技术研究发展计划资助项目(No.2010AA1221091001)

详细信息

  • 中图分类号: TH744.1; X851

Design and analysis of support structure for typical lens of carbon dioxide detector

  • 1.

    Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;

  • 2.

    Graduate University of Chinese Academy of Sciences,Beijing 100039,China

More Information
    Author Bio:

    LIU Wei(1967-), male, from Jilin province, senior engineer, supervisor of master students, is specialized in fine mechanics design. E-mail:2400liuwei@163.com

    摘要
  • 摘要: 为了降低外界载荷和温度变化对二氧化碳探测仪光学系统透镜面形及共轴的影响,根据系统的特点和技术要求,对其典型透镜的支撑结构进行了研究,设计了一种径向挠性支撑结构并建立了3D实体模型。运用工程CAD分析软件,采用非线性有限元分析方法对其进行了动静刚度特性和热特性仿真分析,验证了支撑结构设计的合理性。分析结果表明,透镜结构组件的一阶固有频率为1 301 Hz;利用面型拟合,得到了各工况下镜面面形误差值为PV/10,RMS/50,偏转误差1。该径向支撑结构能很好地保持透镜共轴精度,减小了温度变化对镜面变形的影响,各项结果满足设计要求,证明了结构设计的合理性。

     

    Abstract: To decrease the influence of external loads and temperature changes on the surface deformation and alignment of a lens, a typical lens support structure was investigated based on the characteristics and technical requirements of carbon dioxide detectors for optical systems and specifications. A radial support structure was proposed and its 3D model was established. In order to verify the reasonability of the structure, the dynamic and static rigidities as well as thermal characteristics were analyzed by using a nonlinear analysis method through CAD engineering analytical software. The analysis results indicate that the first frequency of lens subassembly is 1 301 Hz, and lens surface shape error is as follows:PV/10, RMS/50, Tilt error1. The radial support structure can keep lens centration well and reduce the influence of temperature diversification on the lens surface deformation.These results validate the rationality of structure and satisfy the design requirements.

     

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    • 参考文献(1)
  • [1] DAVID C,CHARLES E M,PHILIP L. NASA Orbiting Carbon Observatory:measuring the column averaged carbon dioxide mole fraction from space[J]. J. Appl. Remote Sensing,2008,023508:15-50. [2] DAVID C. The need for atmospheric carbon dioxide measurements from space:contributions from a rapid reflight of the Orbiting Carbon observatory[R]. Pasadena,California:Atmospheric Carbon Dioxide Measurements From Space,2009,321:1-23. [3] CARL C L,RANDY P,BRETT H,et al.. System for establishing best focus for the Orbiting Carbon Observatory instrument[J]. Optical Eng.,2009,073605:1-3. [4] HUANG E W. Gemini primary mirror cell design[J]. SPIE,1996,2871:291-300. [5] KAERCHAER H. The evolution of the SOFIA telescope system design-lessons learned during design and fabrication[J]. SPIE,2003,4857:251-260. [6] BITTER H,ERDMAN M,HABERLER,et al.. SOFIA primary mirror assembly:structural properties and optical performance[J]. SPIE,2003,4857:266-278. [7] JOHN J B. Precision lens mounting:US,4733945[P]. 1988-04. [8] AHMAD,HUSE R L. Mounting for high resolution projection lenses:US,4929054[P]. 1990-06. [9] PAULR Y J. Opto-Mechanical Systems Design[M]. Boca Raton,Florida:CRC Press Taylor & Francis Group,2006. [10] SUEMATSU Y,TSUNETA S,ICHIMOTO K,et al.. The solar optical telescope of solar-B:the optical telescope assembly[J]. Solar Physics,2008,249:197-220. [11] 辛雪军,陈长征,张星祥,等. 平行光管主反射镜组件的非线性有限元分析[J]. 中国光学与应用光学,2010,3(2):171-174. XIN X J,CHEN CH ZH,ZHANG X X,et al.. Nonlinear analysis of primary mirror subassembly for collimator based on finite element method[J]. Chinese J. Opt. Appl. Opt.,2010,3(2):171-174.(in Chinese) [12] 刘伟. 小型Offner凸光栅光谱成像系统的结构设计及分析[J]. 中国光学与应用光学,2010,3(2):159-162. LIU W. Design and analysis of structure of compact offner spectral imaging system[J]. Chinese J. Optics Appl. Opt.,2010,3(2):159-162.(in Chinese)
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出版历程
  • 收稿日期:  2011-03-12
  • 修回日期:  2011-04-23
  • 刊出日期:  2011-08-25

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