基于ZigBee技术的铁路道口预警系统设计

Design of Railway Crossroad Early Warning System Based on ZigBee Technology

随着我国经济的快速发展,各种铁路道口之间的差别越来越大。这些情况各异的铁路道口严重威胁人身安全,为此设计了一套基于ZigBee和GPRS技术的铁路无人看守道口预警系统。该系统能实现列车接近检测并进行声光报警、列车到达撤销报警、预警系统故障自检测以及系统软件空中下载(overair download)自动更新等功能。为保证铁路行车安全提供了一个低成本、高可靠性的解决方案。

Following the rapid economic development of our country, the conditions of various railway crossroads are much more different. This brings dangers and threatens personal safety. To provide a safe circumstance for passengers and drivers, the early warning system based on Zig- Bee and GPRS technologies has been designed for unmanned railway crossroad. The functions of the system include detecting the proximity of the trains, giving audio and visual alarm, removing alarm at train arrival, fault self-testing of early warning system, as well as software over air download for automatic update. This design provides a low cost and highly reliable solution to ensure safe operation of railway.