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Underground personnel tracking and positioning system
System Overview
Coal mine safety production concerns the lives and property safety of the people. Governments at all levels have always attached great importance to coal mine safety production issues and adopted a series of measures to continuously strengthen safety production work. However, due to various reasons such as weak foundations, coal mine safety production is still not optimistic. Facing the current situation, it has become a top priority to continuously strengthen disaster prevention capabilities, improve accident rescue measures, and minimize the losses caused by accidents.
The underground personnel monitoring system adopts the most advanced RFID radio frequency technology in the world. It can timely and accurately reflect the personnel dynamics in various areas of the underground mine to the surface computer system to facilitate more reasonable dispatch management. When an accident occurs, rescuers can also quickly understand the location of relevant personnel based on the data and graphics provided by the system, and take corresponding rescue measures in time to improve the efficiency of emergency rescue work.
The downhole personnel monitoring system is a comprehensive application system that integrates downhole personnel attendance, tracking and positioning, post-disaster first aid, and daily management. It is of advanced domestic technology. Stable operation and professionally designed underground positioning system. The realization of this scientific and technological achievement will raise the level of safety production and daily management of coal mine enterprises, and provide a reliable command basis for emergency first aid.
System composition
The underground personnel monitoring system is composed of a ground center station, a data communication box, a data detection substation (collection terminal), RF antenna, RFID tag, and intrinsically safe power supply, communication cable, transmission interface and other auxiliary equipment.
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System structure diagram
System functions
Parameter configuration management:
Tracking and positioning of underground personnel:
Restricted area alarm:
Attendance statistics:
Track playback function of underground personnel:
Information networking function:
System Features
Flexible system installation and strong expandability
The system has low cost and complete monitoring data information.Obvious advantages compared with similar products
The system uses radio frequency technology
The system uses a highly reliable CAN network
The system has safety and explosion-proof features
The system is managed uniformly through the control software
Technical index
Working temperature: -10℃-60℃;
Working frequency: 850-950MHz;
Standard system capacity: 110 collection terminals can be connected (can be expanded according to actual needs);
Transmission mode: multi-master mode, dual CAN bus redundancy design (single CAN bus can be selected to save costs, and 485 bus can also be selected to use the original communication line);
Transmission rate: 125k/75K/5Kbps (user can set);
Maximum transmission distance from ground center station to collection terminal: 10km;
Transmission medium: 1.5mm2 copper core twisted pair cable, DC resistance no more than 12.5 ohm/km, working capacitance no more than 0.06F/Km, inductance no more than 800mH/Km;
The maximum effective receiving area radius of the collection terminal: 0-20 meters.
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