基于磁阻传感器的车辆检测无线节点设计  

Design of Wireless Vehicle Detection Node Based on Magnetoresistive Sensors

作　　者：骆乐[1] 潘霓[1] 

机构地区：[1]中国计量学院信息工程学院,浙江杭州310018

出　　处：《工业控制计算机》2009年第1期83-84,共2页Industrial Control Computer

基　　金：浙江省新苗人才计划项目(2007R40G2080026)

摘　　要：利用车辆经过引起的地磁场的扰动,设计了一种置于交通路口的基于磁阻传感器的车辆检测无线节点。给出了车辆检测无线节点的检测原理、测量电路设计、无线通信模块软硬件的实现以及现场实验结果。该无线节点可以广泛运用于各种交通道口、高速道口的车辆检测,具有安装简便,可靠性高等优点。Through the disturbances of earth＇s magnetic field caused by passing vehicles,a wireless vehicle detection node based on Magnetoresistive Sensors is designed in this paper.The wireless vehicle detection node working principle is introduced,the measuring circuit is given,the wireless communication module＇s hardware and software are specified and then the field test results is proved.This node can be widely applied to various traffic junctions and highway crossings with its easy installation and high reliability advantages.

关 键 词：车辆检测 磁阻传感器 无线节点 HMC1022 NRF2401 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]