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在第一部分简要介绍了近年来空间探测研究的一些项目对低温制冷的要求.在第二部分介绍了航天制冷系统的概况以及各种制冷方法的特点、使用范围.涉及到的制冷方法有:辐射制冷.固体制冷.机械制冷.液氦制冷、热电制冷、吸附制冷、绝热去磁制冷.第三部分结合制冷技术的介绍介绍了国内外已经和正在采用的计算制冷系统的可靠性以及提高制冷系统可靠性的方法.最后.根据从事 VM 制冷机研制工作的实践.介绍了制冷系统长寿命、高可靠性的地面保证措施以及种类繁多的地面模拟试验.整篇文章列有统计性的表格8个.可以供空间制冷系统的研制,生产单位参考.
In the first part, the requirements for cryogenic refrigeration of some items of space exploration research in recent years are briefly introduced.In the second part, the general situation of space refrigeration system and the characteristics and application range of various refrigeration methods are introduced.The cooling methods involved are as follows: radiation Refrigeration, solid refrigeration, mechanical refrigeration, liquid helium refrigeration, thermoelectric refrigeration, adsorption refrigeration and adiabatic demagnetization refrigeration.The third part introduces the reliability of the refrigeration systems that have been and are being used at home and abroad, Reliability method.Finally, according to the practice of working on the development of VM refrigerator, this paper introduces the long-life and high-reliability ground warranty of refrigeration system as well as a great variety of ground simulation tests.The article has 8 statistical tables Can be used for the development of space refrigeration system, the production unit for reference.