How is precise personnel positioning in coal mines carried out?
Publishing time.
Jul 24,2020
Precise positioning of coal mine personnel: The wireless transceiver data board of the positioning substation sends a low-frequency encrypted data carrier signal outward via the transmitting antenna. When personnel carrying the KGE26 identification card enter the working area of the low-frequency transmitting antenna, the card is activated and simultaneously transmits encrypted information containing the target identification code via the high-frequency transmitting module in the card. The receiving antenna receives the carrier signal sent by the KGE26 identification card, and after being processed by the substation main board, the target identification code is sent to the working computer via DPSK or RS485 long-distance communication lines to achieve automatic tracking and positioning of mine personnel.
Main text: How is precise positioning of personnel in coal mines carried out? Through the following explanation, everyone may have a certain understanding.
Precise positioning of personnel in coal mines, underground employees. The wireless transceiver data board of the positioning substation sends low-frequency encrypted data carrier signals outward through the transmitting antenna, and the employees carry The KGE26 identification card is activated after entering the working area of the low-frequency transmitting antenna, and at the same time transmits the encrypted information containing the target identification code through the high-frequency transmitting module in the card; the receiving antenna receives the carrier signal sent by the KGE26 identification card, and after being received and processed by the substation main board, the target identification code is sent to the working computer through DPSK or RS485 long-distance communication lines to achieve the purpose of active tracking and positioning of mine personnel.
Precise positioning of personnel in coal mines, underground personnel positioning system, adopts UWB indoor positioning technology. By arranging a certain number of positioning base stations in the coal mine and having personnel wear tag cards, the accurate position of personnel can be read in time, with an accuracy of up to 10cm.
The precise personnel positioning system in coal mines combines wellhead detection equipment and adopts cardless detection, multi-card detection, and replacement card detection; the underground personnel positioning system can locate underground personnel and vehicles in real time, and completely control the movement trajectory of underground personnel and vehicles. Through the electronic fence function, it can complete regional population statistics and risk area control. At the same time, it can also be linked with gas, dust and other sensors to generate environmental monitoring.
In emergencies, the underground personnel positioning system can achieve two-way alarm to improve the response speed of accidents. Through the intelligent inspection function, it can audit and manage the inspection work of underground personnel and standardize the inspection process.
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