The Application of Ultra-high Frequency Technology in Video Monitoring of Underground Coalface

Through fixing the moving video monitor system on coal-cutting machinery and transfering the scenes of coalface to the surficial scheduling centre by the ultra-high frequency technology,the dispatcher can know clearly the working condition of the coal wall,rollers,trestle,roof,coal-winning machine and carrying machine and other equipment running,and it is very convenient for dispatcher to give correct production scheduling instruction.It also creates visualization conditions for unmanned and the long-range control at coalface.