记忆合金在节流制冷器中的应用  

Application of shape memory alloy in J-T cryocoolers

作　　者：徐庆松[1] 崔戈[1] 

机构地区：[1]华北光电技术研究所,北京100015

出　　处：《激光与红外》2014年第8期846-849,共4页Laser & Infrared

摘　　要：介绍了一种红外探测器上所应用的新型节流制冷器,该制冷器采用形状记忆合金(Shape Memory Alloy)作为自调机构的调节元件;与传统波纹管型自调式制冷器相比,具有结构简单、装调方便、寿命长、稳定性好等优点;文中还对记忆合金工作原理、制冷器结构及低温记忆合金现状和前景等进行了简要的介绍和分析。A novel self-regulated J-T cryocooler for infrared detector is introduced,shape memory alloy is used as regu-lated elements.Compared with the bellows self-regulated cryocooler,the cryocooler has the advantages of simple struc-ture,easy adjustment,long life and good stability.Working principle of shape memory alloy and the cryocoolers struc-ture are discussed.The current status and prospect of cryogenic shape memory alloy are introduced.

关 键 词：形状记忆合金 节流制冷器 自调 

分 类 号：TN216[电子电信—物理电子学]