大型氦制冷机的净化系统  

Impurity removal system for a large helium refrigerator

作　　者：李高[1] 丁文静[1] 单薇薇[1] 蔡朝恩[1] 胡松林[1] 

机构地区：[1]北京卫星环境工程研究所,北京100094

出　　处：《航天器环境工程》2011年第2期157-160,共4页Spacecraft Environment Engineering

基　　金：卫星型号支持项目

摘　　要：氦制冷机是我国大型空间环境模拟器的重要组成部分,是完成红外相机定标试验、航天器运动部件超高真空冷焊试验的关键部件。文章介绍了氦制冷机净化系统的组成及设备性能。化系统在定标试验中的有效运转保证了氦制冷机可靠运行。The helium refrigerator is an indispensable component of a large space environment simulator,an important facility for radiometric calibration test of infrared cameras and cold welding test in an ultra-high vacuum condition for satellite movable parts.This paper discusses the components of the impurity removal system for a large helium refrigerator and its overall performance.For the helium refrigerator to operate steadily and effectively in a radiometric calibration test,the impurity removal system plays an important role.

关 键 词：氦制冷机 低温吸附器 油净化系统 过滤器 

分 类 号：TG1[金属学及工艺—金属学] TG2