source：Industry News Popular：rfid fpc tag release time：2021-11-11 17:14:19 Article author：sznbone
Principle of RFID tunnel scheme
The system is composed of "application software server", "monitoring computer", "RFID reader" and "433MHz+12KHz dual-frequency RFID electronic tag" (hereinafter referred to as electronic tag), etc.
1. Installation:
1) Distribute an electronic label to each employee to realize one person, one card, and the employee sticks the electronic label in the helmet or hangs on the chest
2) Configure electronic tags for each vehicle to realize one card per vehicle, and the electronic tags are pasted on the front windshield of the vehicle
3) Install one exciter on each wall on both sides of the opening. Each exciter is equipped with an excitation antenna on both sides of its entrance and exit direction. The excitation antenna is connected to the exciter through a cable. The exciter only needs to provide power.
4) Install an exciter on the excavation trolley of the face, install an excitation antenna in the middle of the inner and outer sides of the entrance and exit direction, the excitation antenna is connected to the exciter through a cable, and the power supply can be taken from the power supply of the excavation trolley
5) For other important road sections, refer to the installation method of the excavation trolley at the entrance of the tunnel or the tunnel face
6) Install readers near the exciters of every important road section such as the palm face, and connect to the computer through a wired or wireless bridge at the same time
7) Install an "RFID reader" about 2 to 3 meters near the exciter at the entrance of the hole, connect to the computer through the network, and install the management system software on the computer
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