The safety management system of locomotive positioning for underground personnel in the third mine of Yangmei Group put into use
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Recently, the safety management system for locomotive positioning of underground personnel in the third mine was put into use. More than 1,000 cadres and employees in the mine have carried radio frequency cards that look like pagers, and some underground vehicles and equipment are also equipped with radio frequency cards. The system realizes the target positioning and wireless paging of the identification object through the wireless communication between the monitoring substation and the radio frequency card.
The underground personnel locomotive positioning safety management system project began construction in early April this year. During the construction, the mine personnel positioning safety management system was planned and designed in accordance with the three mine underground topographic features. The working principle of the system is to apply radio frequency identification technology and computer communication technology, set up a central control computer system in the uphole dispatch room, arrange monitoring sub-stations, namely radio frequency readers, at relevant locations downhole, and arrange radio frequency positioning at locations that require precise positioning Device.
According to the characteristics of the underground roadway of the third mine and the current production and operation sites of the key teams and groups, the substations and locators are arranged according to the principle of partial coverage. 3 substations are set up in the Yugong shaft of the third mine, 5 substations are set up in the No. 1 shaft, and the shaft is set up 18 substations, all of these 26 substations use explosion-proof and intrinsically safe uninterruptible power supplies for mines. The substation signal can fully cover the entrances and exits of underground mining areas, roadway intersections, coal mining area roadways and all entrances. The signal covers 20 kilometers of the main roadway, and the signal coverage rate is more than 30%.
The underground personnel locomotive positioning safety management system can realize the real-time positioning management of underground personnel. The control center computer combined with the underground electronic map can display the number and distribution of personnel in a certain area; it can display the current location and moving route of the designated personnel; it can carry out the designated personnel Positioning and tracking; you can query the location of a specific person in the well, you can display the location information in real time, or you can query the location information at a certain historical moment.
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