煤矿安全监测系统无线传感器网络网关设计

摘要

针对煤炭工业以太网络与井下ZigBee无线传感器网络异构互联的需要,提出了一种煤矿安全监测系统无线传感器网络网关设计方案；介绍了网关的软硬件实现要点,并在不额外移植新操作系统内核的情况下,对ZigBee协议栈Z-Stack的操作系统抽象层进行了相应扩展,以满足嵌入式网关系统任务实时性要求.测试结果表明,该网关实现了ZigBee无线传感网络和以太网的通信协议转换功能,保证了数据转发的实时性和可靠性.%In order to meet the needs of heterogeneous interconnection between Ethernet of coal mine and underground ZigBee WSN, the paper proposed a design scheme of WSN gateway for coal mine safety monitoring system. It introduced design points of system software and hardware frameworks, and extended operating system abstraction layer of ZigBee protocol stack Z-Stack without transplanting additional new kernel to meet real-time requirements of tasks of embedded gateway system. The test results show that the gateway implements communication protocols conversion functions between Ethernet and ZigBee WSN, which ensures real-time performance and reliability of data forwarding.