Coal mine safety is the eternal theme of coal mine production. Personnel monitoring and positioning is one of the important guarantees to realize coal mine safety production. The underground coal mine positioning system developed by uwb ultra-wideband indoor positioning chip technology greatly meets the needs of grasping the dynamic distribution and safety management of personnel at the entrance of coal mine in real time, realizing attendance management and quickly understanding the rescue work of mine emergencies.

Coal mine underground positioning system problems faced by the coal industry, in recent years, the number of coal mines with high gas is increasing. How to strengthen production safety and improve the efficiency of search and rescue is facing the competent authorities and leaders at all levels of the state. When analyzing the recent major accidents in coal mines, we found that:

(1) Information communication between surface and underground personnel is not timely;

(2) It is difficult for surface personnel to timely and dynamically grasp the distribution and operation of underground personnel, so as to accurately locate personnel;

(3) Once a coal mine accident occurs, the efficiency of rescue and relief and safety rescue is low, and the search and rescue effect is poor.

Personnel positioning principle of underground coal mine positioning system, uwb ultra wideband indoor positioning chip underground coal mine positioning system is mainly used in coal industry and other underground tunnel operations. By deploying the base station for locating the subsurface environment, the location tag is a mode for the operator to carry or deploy vital materials and vehicles. The personnel label information within the location range is transmitted to the ground management host in real time using the UWB location technology.

The research and development of personnel positioning system of underground coal mine fully conforms to the safety standards and requirements of underground industry. By collecting contact-free information of remote moving targets in coal mine tunnels, uwb ultra-wideband indoor positioning chip can automatically identify people, vehicles and objects in different states (moving or stationary) and realize automatic target management. The system has stable performance, reliable quality and simple operation, which has made outstanding contribution to improving the safety and effectiveness of modern underground working environment.

Realize the main functions of underground coal mine positioning system:

1) Attendance management function. Through the special management software of the operation platform, the information such as the number of people in the well and the stay time in the well can be classified and counted, so as to facilitate the assessment and realize the function of attendance statistics management and the printing of related reports.

2) Security function. According to the historical data information stored in the database, the uwb ultra-wideband indoor positioning chip underground coal mine positioning system can quickly understand the distribution of underground personnel and important equipment. Once a mine disaster occurs, the trapped personnel can be located and searched on the site, so as to facilitate effective rescue.

3) Production scheduling function. By calling the data in the database, the distribution of underground personnel can be queried, and the personnel can be quickly allocated according to the needs, so as to realize the optimal allocation of underground limited resources and get twice the result with half the effort.

uwb ultra broadband indoor positioning chip coal mine underground positioning system emergency rescue advantage, coal mine safety is more important than Mount Tai! How to improve the safety level of underground personnel in coal mines, in addition to the necessary management means, it is important to rely on technology. The underground positioning system of coal mine is a comprehensive application system which integrates underground personnel location tracking, regional management, emergency rescue and daily management. Through advanced UWB positioning technology, combining positioning software, positioning label and positioning base station, a set of stable and high-precision positioning system for underground personnel in coal mine is realized. The realization of this indoor positioning technology brings new opportunities to the safety management of coal mine, so the underground positioning system of coal mine also performs very well in emergency rescue.

uwb Ultra-wideband Indoor Positioning chip Underground coal mine positioning system is UWB technology, which is a carrier-less communication technology that transmits data by sending and receiving secondary non-sinusoidal narrow pulses. With the support of the system software, the main computer of the ground monitoring center regularly checks the data and collects the information of the installed UWB positioning base station. The uwb ultra-broadband indoor positioning chip will automatically collect the information of the UWB label within the effective identification distance through the data transmission interface and communication optical/cable laid along the roadway. And according to the system instructions through the transmission network to transfer the relevant data to the ground central station. The positioning accuracy of underground coal mine positioning system is as high as 10cm.

After analyzing and processing the data information, the dynamic distribution of personnel (or moving targets such as locomotives) on the main computer interface can be reflected in real time to achieve the purpose of digital management of mine safety state. The underground positioning system of coal mine follows the principles of unified card issuance, unified equipment and unified management. The UWB label is regarded as the necessary work permit, and the system of one person and one card is implemented according to the allowed personnel.

For personnel positioning, underground coal mine positioning system is not only for better management, but also for reducing casualties after accidents, which is also the reason why the country imposes the application of indoor positioning system in the coal mine industry.

The underground positioning system of coal mine can obtain the real-time location of underground personnel, vehicles and equipment, and present it in the surface computer system. It can also extend the functionality of attendance management, hazardous zone access logging, hazardous zone overcrowding management, etc. Vehicle positioning can expand vehicle scheduling, traffic light automatic control and other functions.

When an accident occurs, rescue personnel can also quickly understand the situation on the scene according to the positioning information of personnel, vehicles and equipment provided by the underground coal mine positioning system, and timely take corresponding rescue measures to provide rescue work efficiency. At the same time, underground operators can also proactively alarm through location tags. Send SOS alarm information in time by pressing the SOS button. After receiving the alarm signal, the management personnel can determine the location of the personnel at risk through personnel positioning, and timely implement on-site emergency treatment.

The project deployment of underground positioning system in coal mine not only ensures the safety of underground operators, but also greatly improves the level of information management and makes the management and scheduling more transparent and efficient. Coal mine production safety still has a long way to go, is more important than Mount Tai, is closely related to each coal mine personnel and enterprises, and should be given enough attention. uwb ultra wideband indoor positioning chip makes underground coal mine positioning system become a strong support for enterprise safety management.