Volume 3 Issue 4
Sep.  2010
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SUN Jing-xu, SUN Bin, ZHANG Xing-xiang, REN Jian-wei, CHEN Chang-zheng, REN Jian-yue. Design of optical and mechanical structure of on-truck infrared detection equipment[J]. Chinese Optics, 2010, 3(4): 397-403.
Citation: SUN Jing-xu, SUN Bin, ZHANG Xing-xiang, REN Jian-wei, CHEN Chang-zheng, REN Jian-yue. Design of optical and mechanical structure of on-truck infrared detection equipment[J]. Chinese Optics, 2010, 3(4): 397-403.

Design of optical and mechanical structure of on-truck infrared detection equipment

  • Received Date: 17 Apr 2010
  • Rev Recd Date: 23 Jun 2010
  • Publish Date: 25 Aug 2010
  • In order to test the air quality in real-time, an optical and mechanical structure of on-truck infrared detection equipment is designed. Using large aperture optical system, high precision scanning structure and unfocus reflecting telescope, the system achieves 0-360 scanning in orientation and pitching. The structural static analysis of the system is performed using finite element method and the results meet the optical and mechanical design requirements. A modal test is done by hammer beat method and a vibration test is carried out under the on-truck environment. Comparing the two results above, the first-order frequency of the optical and mechanical structure is 52 Hz, which has sufficient dynamic stiffness corresponding to the 12.5 Hz in the on-truck environment and can ensure the stable operation of infrared detection devices.

     

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