空间薄膜衍射望远镜展开结构设计与分析  

Deployable structure design and analysis for space membrane diffractive telescope

作　　者：郑耀辉[1,2] 阮萍[1] 曹尚[1,2] 

机构地区：[1]中国科学院西安光学精密机械研究所,陕西西安710119 [2]中国科学院大学,北京100049

出　　处：《红外与激光工程》2016年第1期121-125,共5页Infrared and Laser Engineering

基　　金：中国科学院西安光学精密机械研究所知识创新工程试点项目(Y551A21213)

摘　　要：为满足空间探测对大孔径空间衍射望远镜的需求,提出了一种空间薄膜衍射望远镜主镜展开的结构形式。首先分析了大孔径空间衍射望远镜成像的特点,提出大孔径空间薄膜衍射望远镜主镜展开对结构设计的要求。然后根据这些设计要求设计了一种新型的展开结构形式,使用三维建模软件Solid Works对提出的模型进行三维建模。最后使用Adams对展开结构模型进行仿真分析。对虚拟样机进行初步仿真结果表明,该展开结构在旋转驱动的驱动下各部件可以按照设计的运动形式展开,且运动平稳、可靠。所提出的主镜折叠展开结构为大孔径空间衍射望远镜主镜展开结构设计提供了一种新的思路。In order to satisfy the demand for the big aperture diffraction space telescope, a primary lenses deployable structure for space membrane diffractive telescope was investigated. Firstly, after analysis of the characteristics of diffraction imaging about the big aperture membrane diffraction telescope, the main requirements for deployable structure were put forward. Then according to these design requirements for the deployable structure, a 3D solid model was designed. Finally, with the help of Adams, a simulation model was established and analyzed. The results show that the structure under the driving of the rotating drive components is in line with the design form of exercise and achieved smooth and reliable movement. This deployable structure may provide a new train of thought for the design of large aperture membrane diffraction telescope.

关 键 词：衍射望远镜 展开机构 折叠方式 空间光学 

分 类 号：TH751.2[机械工程—仪器科学与技术]