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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

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, 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, 2011, 4(4): 388-396.
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.

二氧化碳探测仪典型透镜支撑结构的设计及分析

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

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: 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。
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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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