太阳模拟器是一种模拟太阳辐射特性的测量仪器,其在航空航天领域中用来检测卫星热设计的热平衡试验和用来检测卫星姿态测量,并完成地面标定与测试试验。本文在突出太阳模拟器小型化的特点下,详细论述了太阳模拟器的设计要点,给出了详细设计方案。本文设计的太阳模拟器设计方法简单可靠,具有很大的推广价值。 Solar simulator is a measuring instrument that simulates solar radiation characteristics. It is used in the field of aeronautics and astronautics to measure heat balance test of satellite thermal design and used to measure attitude measurement of satellite, and finish ground calibration and test. In this paper, highlighting the miniaturization of the solar simulator features, the design of the solar simulator points out the details of the design. The sun simulator designed in this paper is simple and reliable, and has a great promotion value.