Wireless alarm system for mass preventing secondary accidents of freeway tunnel
A secondary accident and alarm system technology, applied in anti-collision systems, alarms, instruments, etc., can solve the problems of drivers failing to decelerate and avoid in time, failing to see faulty vehicles in time, loss of people's lives and property, etc. The effect of smooth and efficient operation, improving the level of scientific management, and reducing the loss of life and property
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[0020] Such as Figure 1-6 The specific embodiment of the present invention shown comprises alarm base station (also can be called accident alarm box, image 3 As shown), signal repeater, variable alarm information board, siren, lane signal light, remote controller and monitoring center, the described alarm base station is distributed and arranged inside the tunnel to start the alarm signal when an accident occurs in the tunnel, And through the variable alarm information board, the siren and the lane signal lamp, the on-site alarm assembly is arranged at the entrance of the tunnel, and the alarm signal of the alarm base station is transmitted between each alarm base station in the tunnel through the ZIGBEE wireless network, and the The accident alarm signal from the alarm base station is finally transmitted to the remote controller, and the remote controller drives the siren, the variable information board and the lane signal light, and reminds subsequent vehicles to slow down...
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