针对目前我国矿井环境复杂,控制距离远,生产布局分散,监控点多等因素；介绍了一种采用上下两层网络的多矿井安全监控系统,通过以C8051F040为主处理器的智能节点,将上层的以太网和下层的CAN总线网络连接起来,其中详细地设计了智能节点的硬件结构,并将实时多任务操作系统μC/OS- II移植到主处理器上,试验结果表明该系统通过对实时数据的采集与分析,能够准确地运行和处理实时任务,长期稳定可靠且具有一定的使用价值和可推广性.%Aiming at the complex environment in mine, remote, scattered production layout) multiple control points , this multi -mines safety monitoring system is divided into two layers of network, the main processor through C8051F040 intelligent node, will connect the upper Ethernet and the following CAN bus. Detailed design of the hardware architecture, and transplanted real- time multitasking oper-ating system μC / OS - Ⅱ into the form of the intelligent node, The results show that the system can accomplish real- time data collection and analysis to verify the accuracy of the system can handle real-time tasks, making the whole system stable and reliable and it is worth to be generalized.
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