HL-2M装置低混杂波电流驱动系统高精度数字温度测量仪的研制  

Development of the digital high-precision thermocouple instrument for the LHCD system on HL-2M tokamak

作　　者：陈娅莉[1] 卢波[1] 白兴宇[1] 曾浩[1] 梁军[1] 王洁琼[1] 王超[1] 饶军[1] CHEN Ya-li;LU Bo;BAI Xing-yu;ZENG Hao;LIANG Jun;WANG Jie-qiong;WANG Chao;RAO Jun(Southwestern Institute of Physics,Chengdu 610041)

机构地区：[1]核工业西南物理研究院

出　　处：《核聚变与等离子体物理》2019年第4期296-300,共5页Nuclear Fusion and Plasma Physics

基　　金：国家自然科学基金(11575054,11805053)

摘　　要：为HL-2M低混杂波电流驱动系统研制了16路J型数字校准热电偶测温仪,可实现16通道温度测量,测温范围为0~250°C,测量范围内误差绝对值小于1°C,具有本地高清液晶显示温度值和电脑远程温度采集功能。该测温仪已成功用于HL-2M低混杂波加热系统的调试实验,对不同输出功率条件下高功率速调管输出腔温度进行了测量,保证了速调管运行的安全性。A 16-channel J-type thermocouple instrument with digital calibration for the lower hybrid current drive(LHCD)system on HL-2 M tokamak was developed to achieve 16 channel temperature measurements.The temperature measurement range is 0~250°C with the absolute error value less than 1°C.The temperature can be displayed on the liquid crystal display(LCD)and read on the computer remotely.The J-type thermocouple instrument has been successfully used in the debugging experiment of the LHCD heating system of HL-2 M tokamak.The temperature of output cavity of the high power klystron has been measured under different output power conditions to ensure the safety of the klystron in operation.

关 键 词：低混杂波 温度测量仪 电流驱动 

分 类 号：TL62+4[核科学技术—核技术及应用]