小型化宽频带磁传感器的设计  

Design of the Miniaturized and Broad Frequency Band Magnetic Field Sensor

作　　者：李文彬[1] 刘勇[1] 范育兵[1] 

机构地区：[1]中国船舶重工集团公司第七二二研究所,武汉430079

出　　处：《舰船电子工程》2012年第3期129-130,133,共3页Ship Electronic Engineering

摘　　要：文章介绍了磁传感器的相关原理、设计和测试验证,实现了以轻量化、小型化为目标设计制作的小型化宽频带磁传感器。实验的结果表明传感器的频率范围是0.001Hz～10kHz,在低于4Hz的频率范围内其输出灵敏度为0.2V/nT,在高于4Hz的频率范围时其输出灵敏度为0.8V/nT,能够满足MT、AMT探测的需要。This paper introduces the relevant principles,design and test verification of magnetic field sensor,and the implementation of the wideband magnetic field sensor which achieves the goal of lightweight and miniaturization.The experimental results show that the frequency range of the sensor is from 0.001Hz to 10kHz,below the 4Hz its output sensitivity is 0.2V/nT and above the 4Hz its output sensitivity is 0.8V/nT,meet the requirements of the MT and AMT test.

关 键 词：磁传感器 电磁感应 输出灵敏度 

分 类 号：TM15[电气工程—电工理论与新技术]