准直光学系统热变形对太阳模拟器性能影响研究

doi:10.12060/j.issn.1000-7202.2019.04.02

宇航计测技术

准直光学系统热变形对太阳模拟器性能影响研究

刘岩¹；黄超²；汪涛¹；王春喜¹

1、北京航天计量测试技术研究所，北京 100076； 2、中国运载火箭技术研究院，北京 100076

出版日期:2019-08-25 发布日期:2019-08-25
作者简介:刘岩（1987-），男，博士，工程师，主要研究方向：精密光机结构设计。

Study on Impact of Thermal Deformation of Collimation Optical System on the performance of Solar Simulator

LIU Yan¹；HUANG Chao²；WANG Tao¹；WANG Chun-xi¹

1、Beijing Aerospace Institute of Metrology and Measurement Technology, Beijing 100076, China；
2、China Academy of Launch Vehicle Technology, Beijing 100076, China

Online:2019-08-25 Published:2019-08-25

摘要/Abstract

摘要： 为了给太阳模拟器系统热管理提供可靠的技术依据，研究了准直光学系统热变形对系统性能的影响。选取项目组自主研发的高精度太阳模拟器准直光学系统作为研究对象，利用有限元软件仿真实际工作条件下各光学元件表面温度及热变形分布，将通光表面变形数据拟合为泽尼克系数导入光学设计软件中，分析热变形对系统准直角误差及辐照均匀度影响。研究结果表明：在未采取温控措施的自然对流条件下，热变形造成±1′的准直角误差和41.3%的辐照不均匀度，超出允许范围，需进行温控。通过光机集成分析法，给出了不同温度下，对流系数与热变形导致的准直角误差和辐照不均匀度对应关系，为风冷温控系统工程化设计提供了依据。

关键词: 太阳模拟器, 热变形, 有限元分析, 辐照不均匀度

Abstract: In order to provide a reliable technical basis for the thermal management of solar simulator system, the impact of the thermal deformation of collimation optical system on the performance of solar simulator is researched. A typical collimation optical system of the solar simulator is taken as the object of study. The finite element analysis software is applied to simulate the temperature and thermal deformation of the lens in actually working condition. Then, the Zernike coefficients fitted by deformation date of each lens are imported in the optical software to analysis the influence of the thermal deformation. The results show that the thermal deformation of collimation optical system causes ±1′ collimation angle error and 41.3% irradiance nonuniformity without temperature control, which beyond the reasonable range and need temperature control. Finally, the relationships between the convection and the collimation angle error and the irradiance nonuniformity caused by thermal deformation are analyzed for guiding the design of air cooling radiator, which will direct the design of air cooling system more explicitly.

Key words: Solar simulator, Thermal deformation, FEA, Irradiance nonuniformity

刘岩；黄超；汪涛；王春喜. 准直光学系统热变形对太阳模拟器性能影响研究[J]. 宇航计测技术, doi: 10.12060/j.issn.1000-7202.2019.04.02.

LIU Yan；HUANG Chao；WANG Tao；WANG Chun-xi. Study on Impact of Thermal Deformation of Collimation Optical System on the performance of Solar Simulator[J]. JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT, doi: 10.12060/j.issn.1000-7202.2019.04.02.

[1]	杨爱军. 基于太阳模拟器法的钙钛矿太阳电池测量方法研究[J]. 宇航计测技术, 2018, 38(4): 60-66.
[2]	张丹；胡胜海；王洪光. 铰矩天平固定方式及预紧力矩对其测量影响的研究[J]. 宇航计测技术, 2013, 33(6): 46-49.

准直光学系统热变形对太阳模拟器性能影响研究

Study on Impact of Thermal Deformation of Collimation Optical System on the performance of Solar Simulator

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