基于发光二极管的太阳模拟器的研究现状

Solar Simulators Based on Light Emitting Diodes

太阳模拟器作为一种重要的试验设备,广泛应用于空间技术、航空航天及太阳能产业等领域。在太阳模拟器的发展中,光源发光二极管(LED)的加入对其性能的增强起到了重要作用。介绍了太阳模拟器发展的背景,论述了LED作为其光源的优点和价值。列举了针对太阳模拟器性能评测的各项标准,逐个介绍并进行对比。叙述了国内外具有代表性的LED太阳模拟器结构、控制及光学设计,从光谱匹配度、辐照不均匀度、辐照不稳定度等方面进行分析比较。总结了LED太阳模拟器的研发重点和发展趋势。

As important experimental devices,solar simulators are widely used in the fields of space technology,aerospace and solar energy industry.During the development of solar simulator,the joining of light emitting diode（LED）has an important impact on the property enhancement of solar simulator.Firstly,the development background of solar simulator is briefly introduced,and the advantages and value of light source LED are expounded.Then,the standards of performance evaluation for solar simulator are enumerated and every standard is introduced and compared with each other.Structure,control and optical design of representative LED solar simulator at home and abroad are narrated.Comparisons of spectral matching degree,irradiation inhomogeneity and irradiation instability are made.Finally,priority research and development tendency of LED solar simulator are summarized.