基于非晶态合金的磁场传感器的研究  

Research on the Magnetic Field Sensor Based on Amorphous Alloy

作　　者：解源[1] 钱俊岳[1] 

机构地区：[1]集美大学信息工程学院,福建厦门361021

出　　处：《电测与仪表》2006年第2期59-61,共3页Electrical Measurement & Instrumentation

基　　金：福建省自然科学基金计划资助项目(A0440007);福建省教育厅科技项目(JA004244)

摘　　要：介绍了钴基非晶态合金带的磁特性,论述了以非晶态合金为磁芯的磁场传感器的基本结构与工作原理,对传感器检测探头及信号处理电路进行了设计,给出了传感器输出特性部分测试结果。并将非晶态合金磁场传感器与半导体磁场传感器在灵敏度、线性测量范围和温度稳定性等方面进行了比较,得出了一些结论,适合于弱磁场信号检测并具有一定的实用价值。The magnetic characteristics of Co-based amorphous alloy tape are presented. The structure and principle of the magnetic sensor based on amorphous alloy core are described. The probe and the signal processing circuit are designed. The sensor output characteristics are tested. The sensitivity, measurement linear range and temperature stability of amorphous alloy sensor are compared with the semiconductor sensor, and the conclusions are given. The amorphous alloy sensor can work in any weak magnetic field and has certain practical values.

关 键 词：非晶态合金带 弱磁场检测 传感器 探头 

分 类 号：TM153[电气工程—电工理论与新技术]