基于磁阻效应的地磁场探测研究  

Research of geomagnetic field detection based on the magnetoresistance effect

作　　者：郭鑫[1] 唐晓莉[1] 张怀武[1] 赵珍祥[1] 

机构地区：[1]电子科技大学电子薄膜与集成器件国家重点实验室,四川成都610054

出　　处：《电子元件与材料》2014年第11期70-72,共3页Electronic Components And Materials

基　　金：国家自然科学基金资助项目(No.51171038)

摘　　要：为了实现地磁场探测设备小型化的要求,设计了一种基于各向异性磁阻传感器的三轴磁场探测系统。系统模块包括磁场探测单元、置位/复位单元、信号处理单元、单片机控制及显示单元和电源模块,其中磁场探测单元采用了Honeywell公司生产的HMC1021Z单轴和HMC1022双轴传感器。测试实验结果表明,探测系统可以对地磁场进行有效测量,具有体积小、功耗低及精度高等优点。Based on anisotropic magnetoresistive sensor, a triaxial magnetic field detection system was designed, which was smaller than normal geomagnetic field detection system. System module includes a sensor unit, a set-reset unit, a signal conditioning unit, a microprocessor control, digital display unit and a power section. The single axis HMC1021 Z and two axes HMC1022 sensors produced by Honeywell were used in the seneor unit. The results show that the magnetic field of the earth can be measured effectively by the designed detection system, which is small, low power consuming and high accurate.

关 键 词：磁阻传感器 电路系统 线性 地磁探测 高精度 低成本 

分 类 号：TN702[电子电信—电路与系统]