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With the rapid development of the country’s economy, my country’s tunnel construction is changing with each passing day. As urban subways, railway tunnels, and highway tunnels have improved route technical indicators, shortened distances and travel time, and increased operational efficiency, the country is constantly increasing the construction of tunnels; however, the construction cost of tunnels is high and the operation management is relatively complicated. Therefore, all places attach great importance to the construction of tunnels and dare not take it lightly.
The current remote information management system is often only the management of administrative and technical documents, and cannot obtain construction information in real time, let alone a comprehensive, timely and accurate grasp of the information of the construction site and construction personnel, which leads to many accidents. . For this reason, governments at all levels attach great importance to the safety of production in engineering construction and adopt a series of measures to continuously strengthen safety in production. How to change the current lagging management mode of safety supervision during tunnel construction and realize the modernization, informatization, and intelligence of management has become an important topic for managers to study.
Therefore, advanced management methods such as disaster prevention, accident rescue, and information management will be an inevitable choice for the safe construction of tunnels. Shenzhen Wanquan Intelligent Technology Co., Ltd. puts forward the “solution of the tunnel construction personnel statistics system” in response to the above situation, which provides a brand-new safety management concept and strong guarantee for the safe construction of the tunnel.
System function requirements
1. It is required to implement long-distance RFID automatic identification statistics for tunnel construction personnel and vehicles entering and exiting, and to query the information of people entering and exiting the tunnel, vehicles, and people stranded in the tunnel based on the recorded data according to time, name, team and other conditions;
2. The data can be permanently saved through computer software, and statistical reports can be issued;
3. The conditions of construction workers in the tunnel can be monitored online through software;
4. An external high-brightness LED display can be connected to display the name, job number, entry time and other information of the current construction personnel in the tunnel.
introduction
The tunnel construction personnel statistics system integrates real-time statistics of tunnel construction personnel, work attendance, safety early warning, post-disaster first aid, daily management and other functions. It is also a domestic tunnel construction site monitoring system with leading technology, stable operation and professional design. It enables management personnel to grasp the distribution status of personnel and equipment on the construction site and the movement trajectory of each personnel and equipment at any time, facilitating more reasonable scheduling management and safety monitoring management. When an accident occurs, rescuers can quickly understand the location of the relevant personnel based on the data provided by the system, and take corresponding rescue measures in time to improve the efficiency of emergency rescue work. The realization of this scientific and technological achievement has promoted the safe production and daily management of tunnel construction to a new level.
system design
01. System composition
The tunnel personnel attendance positioning system is mainly composed of power supply, card reader, transmission line, identification card, system software, etc. The card readers are installed according to the distribution of the tunnel, and the identification card is one per person.
The outside of the tunnel consists of a monitoring room, computer host, outdoor LED display, card reader, antenna, power supply and cables.
The tunnel consists of card readers, antennas, power supplies and cables.
02, working principle
2.4G active radio frequency card: carried by construction personnel or workers, usually installed on the belt or helmet of the construction personnel. When managing the vehicle, attach the active radio frequency card to the upper right corner of the car’s windshield, and the vehicle identification can be set to the pressure-sensitive card reading mode, or set to the free mode of reading when there is a card, and the vehicle can be entered and exited. statistics.
Card reader: A card reader needs to be installed both inside and outside the tunnel. At least 2 units are required in one system.
2.3 LED display screen: installed near the tunnel entrance, used to display the information of the construction personnel, so that the management is advanced and transparent. The displayed content includes: tag number, name, time, total number of people (the size of the screen can also be customized according to customer requirements).
System features and functions
01. Main features
1. High recognition reliability: The front-end recognition rate is greater than 99.999999%, and the staff can be read by the nearby card reader as long as they wear the 2.4G active radio frequency card correctly;
2. Long recognition distance: A stable distance of 100M can be reached in the tunnel, and the information sent by the tag card within this range will be read;
3. Highly anti-conflict: each detection point can identify the information of 200 construction personnel at the same time;
4. The card reader adopts special technology to truly achieve no error codes and no missing cards;
5. Fast recognition speed: it can also recognize dynamic tag cards;
6. The software has a full Chinese menu and a good operation interface;
7. The built-in battery of the identification card, ultra-low power consumption, no external miner’s lamp power supply, no need to charge;
8. Integrated structure design, convenient and quick installation;
9. The query and report output functions are simple and easy to operate.
02. Main functions
1. System operator management: It is possible to record in detail the time when each system operator logs in to the system to ensure the management of the entire system;
2. Attendance management function: through the card reader, it can be judged that the construction personnel are in and out of records at any time;
3. Information entry function: The system has the definition of entry, modification, and deletion of unit department and personnel information, as well as the function of shift definition and flexible shift assignment in the actual coal mine;
4. Personnel trajectory and information query function: can query the current number and distribution of underground personnel, and find the activity trajectory of any designated underground personnel in a certain period of time;
5. Rich map functions: you can clearly and intuitively understand the specific location information of each staff member at each time on the map;
6. Abundant real-time statistics function: it can intuitively count the number of personnel in each area in real time, ensure the management of personnel in each area, and ensure the safety of personnel in each area;
7. Abundant query and report functions: it becomes an unchangeable PDF report file output.
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