辐射制冷技术在中国气象卫星上的应用  

Application of radiant coolers on Chinese meteorological satellites

作　　者：董德平[1] 张玉林[1] 陆燕[1] 

机构地区：[1]中国科学院上海技术物理研究所,上海200083

出　　处：《红外与激光工程》2012年第1期119-123,共5页Infrared and Laser Engineering

摘　　要：配置红外探测通道的光学遥感仪器是气象卫星的主要载荷之一,我国太阳同步轨道和地球静止轨道气象卫星的光学载荷采用辐射制冷器冷却红外探测器及其后的光学部件,使其在规定的温度工作。概要介绍了我国风云系列气象卫星对制冷技术的要求以及近30年来所研制的不同型式辐射制冷器,给出了FY-1A～1D、FY-3A、FY-2A～2E气象卫星辐射制冷器的在轨飞行性能,阐述了辐射制冷技术在气象卫星上长期业务应用的关键技术和实际结果。探讨了辐射制冷技术在我国未来气象卫星上的应用前景。Optical remote sensing instruments including IR detection channels are always the major payloads of meteorological satellites.Radiant coolers are used for cooling the IR detectors and its aft optics to the desired temperatures,aboard on Chinese polar orbit meteorological satellites and geostationary orbit meteorological satellites.Depending on the requirements of optical instruments and satellites on the radiant coolers,the different style coolers such as W style,O style,L style,G style and octahedron-cone style in the past 30 years were studied,and the flight performance of the radiant coolers on FY-1A to FY-1D,FY-3A/ 3B,FY-2A to FY-2E meteorological satellites were presented.The lowest temperature of radiant cooler on FY-3 satellite was about 85 K and had 120 mW at 100 K.The concerned technologies needed for long-life operational meteorological satellites were discussed and its application results were also given.The possible application of passive cooling technology in future was discussed.

关 键 词：辐射制冷器 红外遥感 气象卫星 

分 类 号：TB6[一般工业技术—制冷工程]