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为了减少月基极紫外相机的质量并保证相机的二维转动机构在卫星发射、地月变轨及月表着陆过程中受到大量级振动冲击以及月表超大温差环境下能正常工作,设计并研制了基于碳纤维复合材料(CFRP)的照准架结构。首先,设计了基于金属材料和CFRP的不同照准架结构,通过有限元法对不同材料的照准架进行分析对比,证明了CFRP照准架的优越性。温度和力学验证试验表明:基于CFRP的照准架质量小于其它材料的照准架,其刚度和热稳定性能满足极紫外相机环境适应性的要求。
In order to reduce the quality of moon-based EUV cameras and ensure that the two-dimensional rotating mechanism of the camera is designed and developed by a large number of vibration shocks during moon launch, lunar-moon orbit change and lunar surface landing as well as normal operation under the extremely large lunar surface temperature environment A carbon fiber composite (CFRP) -based sight architecture. First of all, different cross-reference structures based on metallic materials and CFRP are designed. The contrast of different cross-reference frames is analyzed by finite element method, which proves the superiority of CFRP. Temperature and mechanical verification tests show that the CFRP-based collimation frame has less stiffness than the other materials, and its stiffness and thermal stability meet the environmental adaptability requirements of EUV cameras.