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防爆工业以太环网在煤矿综合信息化建设中得到了广泛的应用,但是对于采掘工作面等一些特殊场所不能做到全面覆盖。将无线局域网(WLAN,Wireless Local Area Network)通信技术应用到煤矿井下,构建井下无线局域网,可以作为防爆工业以太环网的延伸和补充,在煤矿有较好的发展前景。着重介绍了WLAN通信技术的特点和组网方式,在煤矿井下无线语音移动通信、人员定位、移动目标视频监控等方面的具体实施方案。
Explosion-proof industrial Ethernet network in the coal mine comprehensive information technology has been widely used, but for mining face and some other special places can not be fully covered. The wireless local area network (WLAN) communication technology applied to the coal mine to build underground wireless LAN can be used as an extension of the industrial Ethernet ring and add, in the coal has a better development prospects. The characteristics and networking modes of WLAN communication technology are introduced emphatically, and the concrete implementation schemes of wireless voice mobile communication in underground mine, personnel positioning and video surveillance of mobile target are introduced.