The invention discloses an underground personnel
positioning system based on a power carrier technology, belonging to the technical field of underground personnel positioning systems. The underground personnel
positioning system is composed of a plurality of portable
signal transmitters, a plurality of
signal receivers, a power line carrier module, a plurality of
signal transmission stations, a central control
machine and a display
system; the portable signal transmitters are in
wireless connection with the signal receivers; the signal receivers are connected to the power line carrier module; the signal receivers are connected to the signal transmission stations; the signal transmission stations are connected to the central control
machine; and the central control
machine is connected to the display
system. The underground personnel
positioning system disclosed by the invention has the advantages of being high in
coverage ratio, rapid in transmission speed, low in secondary investment, simple in structure and flexible in configuration.