随着高温超导、空间环境模拟等技术的不断发展和应用,对能提供大制冷量的高性能G-M制冷机提出了迫切需求。本文从制冷机结构优化、新型蓄冷材料应用、制冷机运行参数优化等方面总结了国内大冷量G-M制冷机的研究与开发进展,旨在为下一步的研究与开发工作提供参考。 With the continuous development and application of high-temperature superconductivity, space environment simulation and other technologies, there is an urgent need for a high performance G-M refrigerator that can provide large cooling capacity. This paper summarizes the research and development progress of the domestic large-capacity G-M refrigerator from the aspects of the structural optimization of the refrigerator, the application of the new cold storage material and the optimization of the operating parameters of the refrigerator, aiming to provide reference for the further research and development work.