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1. Program overview
This plan focuses on the automatic identification of the entry and exit of the construction personnel, instead of the management method of “manually flop into the hole”. It also comprehensively manages various resources in the tunnel. Under the premise of ensuring the normal application of the established system functions, RFID technology is used to remotely alarm the system and display on large LED screens. Maximize the use of resources to upgrade tunnel work and management to a higher-level management platform.
2. Overall design
The tunnel safety management system is an advanced technology involving sensing technology, LED display technology, radio frequency identification technology and other fields. Therefore, the overall plan design must have reliability, safety, advancement, flexible scalability, economic practicability, and operation And the convenience of maintenance, it is necessary to have a forward-looking construction of a unified management platform for the overall situation.
In the planning and design process, the system design aims at ensuring safe production, improving enterprise efficiency, and improving the quality of enterprise management, and takes high-quality service managers and users as the basic principles and design ideas.
Integrate RFID technology on the basis of the original tunnel personnel safety system, and use technological advancement to upgrade and transform the existing system.
Human vehicle positioning system
The human vehicle positioning management system includes monitoring host, card reader base station, personnel identification card, vehicle identification card, transmission data interface converter, etc.
Monitoring host (field server): an independent computer, responsible for the management, communication, statistical storage of the entire system equipment and personnel detection data, as well as screen display, query printing, screen editing, network communication and other tasks.
Card reader base station (card reader): real-time collection and reception of personnel card information, using 2.4G RFID technology to achieve data communication between personnel card and base station.
Personnel identification card: It is programmed with a globally unique identification code, which is only provided to the card reader base station for identification, and is arranged in the safety helmet of the construction personnel.
The construction tunnel is divided into Nuogan cross-sectional areas, and each card reader base station is responsible for the identification of an area, so that the entire construction area is managed in a grid. Each card reader is mainly responsible for the positioning function of the staff in the area 100 meters ahead, and the positioning in the cave is recognized and positioned in real time with the operation of the trolley. The construction personnel only need to wear the system identification card on the inside of the helmet without actively swiping the card. Within the effective identification range of the card reader, the construction personnel will be located and identified according to the situation of the identified personnel identification card, so that the management personnel can monitor The office can grasp the specific situation of the construction site in time.
In the monitoring center, the location of the personnel in each work area can be displayed in graphical form. By clicking with the mouse, the detailed information of the personnel and vehicles can be displayed, and the BIM data collection interface can be provided.
Remote alarm system
Install sound and light warning equipment and electronic road signs in each area to achieve precise control of the remote control center, and promptly release warning information through pre-programmed safety plans and temporary emergencies to remind people and vehicles operating in the tunnel to avoid danger.
In the monitoring center, the status of the sound and light alarms in each area can be displayed in graphical form, and the status indicated by the electronic road signs can be set through remote control, and the BIM data collection interface can be provided.
LED synchronous display system
Install the large LED screen near the construction entrance, close to the concierge or duty room. It is used to display the information of the construction personnel in real time, so that the management is advanced and transparent. The displayed content includes: construction status, safety status, number of personnel and number of vehicles, etc., so that leaders and supervisors do not need to go under the tunnel, and do not need to check the computer in the monitoring room to know the situation of the construction personnel in the tunnel in time. With the LED large-screen display system, not only can the information of the construction personnel in the various areas of the cave be visualized, intuitively, and clearly reflected. Moreover, during the on-site meeting, various welcome slogans and promotional slogans can also be displayed on the big screen; in normal times, the construction staff can be reminded to pay attention to construction safety through the big screen, and warm reminders can be promptly provided in severe weather such as high temperature and frost. . These can fully reflect the humanization, modernization and scientific management of the tunnel construction project department.
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