采用EDA技术改造TC-Ⅱ型闪光法热导仪  

Improvement of TC-Ⅱ type flash method thermal conductivity instrument based on EDA technique

作　　者：王槿 吴迪 惠王伟 陈平 李文华 文小青 WANG Jin;WU Di;HUI Wang-wei;CHEN Ping;LI Wen-hua;WEN Xiao-qing(School of Physics,Nankai University,Tianjin 300071,China)

机构地区：[1]南开大学物理科学学院

出　　处：《物理实验》2019年第9期33-36,共4页Physics Experimentation

基　　金：教育部基础学科拔尖学生培养试验计划基金资助;国家基础科学人才培养基金项目资助(No.J1210027);南开大学物理基地能力提高项目资助(No.J1103208)

摘　　要：将EDA技术融入传统测量物体导热系数的闪光法,改造了TC-Ⅱ型闪光法热导仪.搭建了温度信号采集电路和滤波电路,利用单片机采集、处理和显示数据.改进装置能够有效地节约实验成本,达到了仪器小型化,同时提高了测量的自动化程度.Combining EDA technology with traditional measuring instrument,the TC-Ⅱtype flash method thermal conductivity instrument was improved.The temperature signal acquisition circuit and filter circuit were set up,and the single-chip microcomputer was used to collect,process and display data.The improved instrument could effectively reduce the cost of the experiment.The miniaturization of the instrument was realized,and the automation degree was improved.

关 键 词：导热系数 闪光法 PN结传感器 EDA技术 

分 类 号：O551.3[理学—热学与物质分子运动论]