基于NB-IoT的三轴磁感车位传感器节点设计

Design of three-axis magnetic parking sensor node based on NB-IoT

针对当前国内停车难的问题,结合停车场信息共享、无人化管理的发展趋势,研究并设计一种基于NB-IoT新型通信技术和三轴磁力检测技术的泊车位传感器节点。根据车辆在传感器上方引起的磁场波动分析判断车位状态,利用NB-IoT通信技术实现车位信息的无线传输,阐述传感器节点的主程序流程和车位检测流程。实际测试结果表明:该传感节点器能够准确检测车位状态并实时发送到NB-IoT平台,具有实用价值。

Aiming at the current domestic parking difficulties, combined with the development trend of parking information sharing and unmanned management, a parking space sensor node based on NB-IoT communication technology and three-axis magnetic detection technology was studied and designed. The magnetic field fluctuation caused by the vehicle above the sensor is utilized to analyze whether there is a vehicle in the parking space or not and the NB-IoT technology is used to realize wireless data transmission. The main program flow and parking detection process of sensor node software are explained. The actual test results show that the sensor node can accurately detect the parking status and send it to the NB-IoT platform in time, which has considerable practical value.