Downwell electric power monitoring system for coal mine

The utility model provides a downwell electric power monitoring system for coal mine, including aboveground master station and supervisory equipment in the pit, aboveground master station includes industrial control host, the reserve host computer of industry control and aboveground switch, the mutual redundancy of the reserve host computer of industrial control host and industry control is connected with industrial ethernet's mode respectively aboveground switch, in the pit supervisory equipment including switch in the pit and with a plurality of high -pressure vacuum distribution device of switch connection in the pit, aboveground switch with switch communication in the pit links to each other, high pressure vacuum distribution device disposes and is used for going on real -time electricwire netting data acquisition's data monitoring collection system in the pit, the electric wire netting data are passed through in the pit the conveying is extremely behind buffer memory and the protocol conversion of switch