uwb indoor positioning technology UWB high-precision personnel positioning system. With the deep integration of UWB underground personnel positioning system and coal enterprises, the construction of coal mine safety production has become the core support for the coal industry to achieve high-quality development, which is conducive to the realization of coal mine safety production, stable income, improve quality and efficiency. In the process of helping coal mine enterprises complete the construction of intelligent system, the underground personnel positioning system adheres to the principle of people-oriented and safe production, and builds an all-round safe production guarantee system from the well to the underground.
uwb indoor positioning technician's core functions are displayed:
1. Two-way communication function: the underground personnel positioning system realizes the two-way communication function between the positioning label and the ground center. Personnel can use the help button to wear the location tag like the management center to send signals, and the management center can also send instructions through the location tag.
2. Unique identification of "one person, one card" : identify personnel entry and exit, effectively prevent the occurrence of "one person, multiple cards, no cards, ticka", improve personnel safety control, stop irregular behaviors, and eliminate safety risks in time;
3. Intelligent information input: the coal mine personnel positioning system can intelligently input, modify and delete personnel information, and carry out intelligent attendance and intelligent scheduling according to personnel working conditions.
4. Trajectory query: The number and distribution of personnel can be queried at will to find the activity track of any specified and lower personnel within a certain period of time. The SVG vector technology is introduced to select a certain area to obtain the personnel information of the current area. The card reader can be selected to obtain the personnel information and time of the card reader. As well as team, name, monthly number of workers, into the well time, daily into the well situation display, print, query and other functions.
5. Rich map functions: uwb indoor positioning technology has zooming in, zooming out, moving, visual control, center moving, layer control, map printing and other functions. With the function of vector map management, vector map and vector map editing, locate and display the exact position and basic information of the personnel on the vector map (including: name, ID number, team, position, type of work, etc.). According to the work unit, post, type of work and so on, the information of personnel entering the well can be classified and retrieved and the report can be printed out.
6. Graphics rendering function: the graphics editing software provided by the system can produce vector graphics, and can be imported into the AutoCAD supporting monitoring terminal to refresh the graphics format in real time and draw graphics.
7. Emergency rescue function: in the event of an emergency or dangerous event, the identification card worn by miners can actively send out rescue signals, timely and accurately find the emergency, and the system provides the best escape route to ensure the timely and safe rescue work.
8. Personnel search and rescue function: in case of dangerous accidents and trapped personnel, the latest distress location information of the central station of the system should be used to find the general location of the person in distress, so as to accurately find the location of the person in distress. This greatly facilitated the search and rescue of personnel, so that those in distress received timely assistance.
9. Emergency broadcast function: When an emergency occurs, the central station of the system can find the control command to call the miners' identification cards, quickly transmit the emergency information to the range of the card reader, effectively ensure the unity of command and consistency of action.
Through the preliminary understanding of uwb indoor positioning system, the importance of underground personnel positioning system in practical application of mine production is fully understood. Through the integration of various hardware and the assistance of special software, the system has formed a powerful management platform to meet the actual needs of production, which lays a solid foundation for further realizing the safe, efficient and scientific development of enterprises.
The application principle of positioning equipment of underground personnel positioning system, the safety of underground personnel in coal mine has always been concerned. In order to meet the needs of coal mine underground safety production, the underground accidents can be accurately and efficiently rescued according to the accurate position issued by the underground personnel positioning system, so as to provide guarantee for the safety of underground personnel. Therefore, the large static positioning error of UWB high-precision personnel positioning system should not be more than 0.3m, and should be integrated with the positioning system of rubber wheel car, electric locomotive and other vehicles. It is integrated with security monitoring, emergency broadcast, power supply monitoring, coal output monitoring, mobile communication, video monitoring, lighting control and other systems to reduce positioning blindness.
Underground environments can be complex and dangerous. Therefore, in the underground roadway construction, it is necessary to ensure the normal operation of the system in the harsh environment. According to the site situation, a certain number of uwb indoor positioning technology positioning base stations should be installed in the underground coal mine to meet the requirements of the control area. Input the information of all underground personnel into the positioning label, and use the inspection label and the information of the inspection personnel to carry out cardless detection, multi-card detection and card replacement detection. The irrelevant textile personnel and illegal personnel can enter the tunnel to ensure the safety of coal mine production and personnel safety supervision.
UWB high-precision personnel positioning system has a special database management system, including underground pit information collection and statistical analysis, attendance statistics and management analysis, according to personnel, materials and vehicle positioning data display various statistical reports, provide management data analysis reports for managers, provide information data services.
UWB personnel positioning system monitoring with high precision is mandatory standard of coal mine safety system, monitoring and detection is critical, real-time display of underground personnel position, using UWB coal detection system combined with technology, UWB positioning system, complete the real-time monitoring, inoue underground operations scheduling command at any time, to prevent and reduce safety accidents.
It promotes the visualization, accuracy, precision and safety of the positioning system for uwb indoor positioning technicians, promotes industrial transformation and upgrading, and promotes the development of intelligent mines. How to improve the safety level of coal mine? In addition to management means, also need to rely on means to ensure the safe operation of coal mine personnel. In the era of the Internet of Things, various technologies have promoted the development of intelligent mines, especially the combination of underground personnel positioning system based on UWB technology and coal mine safety monitoring system, which is of great significance for personnel identification, operation standards, escape, and search and rescue in coal mines.
In order to prevent and reduce the occurrence of accidents, it is strongly required that coal mines and non-coal mines nationwide establish and improve the "six systems" underground personnel positioning system for safety avoidance, which is the key requirements of mine safety production and emergency rescue:
1. Underground personnel positioning and monitoring system locates and detects underground personnel and vehicles
The system can be used to monitor underground operators, vehicles and other areas, distribution, movement routes and time. Real-time attendance checking of incoming and outgoing personnel, combined with wellhead iris attendance checking and gate machine system, can automatically count personnel regional distribution data, which provides a basis for production scheduling and event traceability. In addition, you can also play back information about the person's movement route.
2. The combination of underground personnel positioning system and monitoring system ensures rapid rescue
When an underground accident occurs, the precise location information of personnel provided by the precise personnel positioning system can be used to obtain the personnel situation, timely search and rescue, and reduce the accident loss. According to the number and distribution of personnel, you can query any designated personnel, track key personnel in real time, and issue relevant instructions.
3. The underground personnel accurate positioning system has the function of behavior monitoring
UWB high-precision personnel positioning system combined with underground roadway monitoring plays a real-time monitoring role in restraining production, vehicle merchants, illegal belts, personnel entering blind alley and other restricted areas in key areas. Through personnel positioning system, underground personnel safety management and safe operation management are strengthened, and accident emergency plans are made.
The positioning accuracy of underground personnel positioning system reduces the blindness of positioning. At present, the independent research is based on the independent research UWB underground personnel positioning system, the current positioning accuracy can reach 10cm to solve the common and key technical problems of the accurate positioning of underground personnel and vehicles. Compared with RFID and traditional positioning technology, the technology has made a breakthrough in stability and high precision, greatly expanding the management and application of UWB high precision personnel positioning system, and improving the competitiveness of the product market.
