论文通过对煤矿安全监控技术发展现状的总结，指出了有线的数据传输方式在煤矿瓦斯安全监控方面的局限性，并针对该缺陷设计了一种基于SDR技术的综采供电系统的新型控制方法，用于在环境中瓦斯浓度超限时控制综采工作面的工作设备断电。 论文通过对煤矿供电系统结构的分析提出了具体的控制方法，该控制方法的实现需要设计三部分的内容：用于监测综采工作面瓦斯气体浓度并发出控制信号的控制装置，用于接收控制信号并控制切断供电的控制电路，以及控制信号传输所需要的无线传感器网络。 论文详细说明了控制装置的设计过程。控制装置的设计包括硬件设计和软件设计两部分。在硬件设计部分，文章针对控制装置所需要实现的功能给出了硬件框图，并将整个硬件分为ARM7核心板、底板、数据采集板和无线模块四部分进行设计。在软件设计部分，文章以嵌入式系统软件设计流程为基础，详细说明了软件设计的过程，并给出了软件工作的流程图。 论文通过对馈电开关和断电仪工作原理的分析设计了控制电路，给出了断电仪与馈电开关的连接方法。还通过无线模块信号接收实验和继电器远程控制实验对前面设计的控制装置和控制电路的功能进行了测试，并给出了测试结果。 最后，论文通过仿真对无线传感器网络的节点布设方案进行了分析，确定了网络中移动节点与固定节点的数量，并通过分析矿井无线传输的特点，提出了网络节点实际布设时所需要注意的问题。

Through a summary of development and actuality of monitoring and control technology for coal mine, the paper pointed out a limitation of lineate data mode, and designed a new controlling means for power supply system of synthetical coalface based on SDR technology to power-down the working equipment when the gas’ thickness out of the criterion. The paper putted forward a concrete controlling means by analyzing structure of power supply system for coal mine. Its achievement needed three parts: control equipment for monitoring the gas’ thickness and sending out the control signal; control circuit for receiving the signal and cutting the power supply; wireless sensor network for signal transmission. The paper defined the design process of control equipment including hardware design and software design. In the first part, it broached hardware frame aim at the function of equipment, and devided it into four parts: ARM7 core board, motherboard, data acquisition board and wireless module. In the second part, it defined the design process of software based on it of embedded system software, and broached the flow chart of software. The paper tested the function of control equipment and contro circuit by two experiments, signal receving experiment of wireless module and relay long-distance control experiments, and showed the results. Finally, the paper analyzed the node deployment method of wireless sensor network through emulational software, confirmed the number of floating and immovable node, and put forward some attentive problems when deploying nodes actually by analyzing the characteristic of wireless transmission in coal mine.