新型室温磁热效应直接测量仪研制  

Development of New Type Magnetocaloric Effect Adiabatic Temperature Change Measurement Device

作　　者：金培育[1] 黄焦宏[1] 刘翠兰[1] 张英德[1] 程娟[1] 郭亚茹 JIN Pei-yu;HUANG Jiao-hong;LIU Cui-lan;ZANG Ying-de;CHENG Juan;GUO Ya-ru(State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization,Baotou Research Instituteof Rare Earths,Baotou 014030,China)

机构地区：[1]包头稀土研究院白云鄂博稀土资源研究与综合利用国家重点实验室,内蒙古包头014030

出　　处：《稀土》2022年第6期9-15,共7页Chinese Rare Earths

基　　金：稀土新材料重点专项(2021YFB3501200);国家自然科学基金项目(52066001)。

摘　　要：采用冷阱技术、高精度温度传感器与高精度测量仪表、制冷/制热功率连续调节技术以及磁场系统可更换方式研制了一台新型室温磁热效应测量仪。该测量仪具有测温温域宽、测温精度高、控温平稳、磁场系统可更换等优点。测量范围-50~70℃,测量精度达到0.01℃,磁场系统为0.8~1.8 T可更换。可用于室温磁制冷材料性能基础研究工作和磁制冷工质的选用。The new type magnetocaloric effect adiabatic temperature change measurement setup adapts many new technology such as multi-level semiconductor cold trap, high precision temperature sensor and measurement device, adjustable power controller for cooling and heating, and exchangeable magnet system. The setup has many merits such as wider temperature range, higher measurement temperature precision, better control temperature method and exchangeable magnet system. The temperature range is-50~70 ℃. The measurement temperature precision is 0.01 ℃. The magnet system can change from 0.8 T to 1.8 T. These performances can meet room temperature MCE material measurement requirement. And it can be used for selecting the magnetic refrigerants.

关 键 词：室温磁制冷技术 磁热效应 磁热效应直接测量 磁热效应测量方法 

分 类 号：TB663[一般工业技术—制冷工程]