光学载荷定标试验设备真空抽气系统设计

Design of vacuum pumping system for the optical payload calibration test facility

光学载荷定标试验设备主要用于为航天器光学载荷定标试验提供真空、冷黑及太阳辐射的空间环境。设备主要包括:真空容器、真空抽气系统、氮系统、中央测控系统、20 K深冷系统、太阳模拟器系统等。本文概要介绍了光学载荷定标试验设备真空抽气系统的主要性能指标、系统组成以及设计计算。

Optical payload calibration test facility was used to simulate the space environment of vacuum, cold-black and solar radiation for the optical calibration test.The equipment mainly includes vacuum chamber, vacuum-pumping system, nitrogen system, data measurement units, 20K cryogenic system and solar simulator, etc. This paper described the technical specification, structure configuration, design calculations of vacuum pumping system for optical payload calibration test facility.