连铸坯壳厚度测量远场涡流传感器优化仿真分析  

Optimization of remote field eddy current sensor of continuous casting shell thickness measurement

作　　者：王志春[1] 路俊炜 WANG Zhichun;LU Junwei(College of Information Engineering,Inner Mongolia University of Science and Technology,Baotou 014010,China)

机构地区：[1]内蒙古科技大学信息工程学院,内蒙古包头014010

出　　处：《传感器与微系统》2020年第8期68-71,共4页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(61463041);内蒙古自治区自然科学基金资助项目(2018MS06001)。

摘　　要：根据连铸钢坯内部不同温度区的金属电磁特性的不同,建立被测对象的仿真模型。针对连铸坯壳厚度检测的要求,进行了远场涡流检测技术的研究,设计了带屏蔽结构的远场涡流传感器,在铸坯这种结构中产生了远场现象。对传感器的线圈直径、线圈匝数和屏蔽结构3个方面进行分析,研究其对检测结果的影响,给出了坯壳厚度测量远场涡流传感器的优化参数。According to the different electromagnetic characteristics of metals in different temperature regions of continuous casting steel billet,the simulation model of the tested object is established.According to the requirement of thickness measurement of continuous casting billet shell,the remote field eddy current testing technology is studied.The remote field eddy current sensor with shielded structure is designed,and the remote field phenomenon is produced in the billet structure.The coil diameter,coil turn number and shielding structure of the sensor are analyzed,and the influence on the detection result is studied,and the optimum parameters of the remote field eddy current sensor for measuring the thickness of the shell are given.

关 键 词：厚度测量 远场涡流 传感器 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TG115.28[自动化与计算机技术—控制科学与工程]