Tunnel wireless network monitoring system

The utility model discloses a tunnel wireless network monitoring system, which relates to the technical field of tunnel monitoring, and comprises a tunnel, a monitoring center, a hand-held terminal and a wireless camera arranged in the tunnel, a baffle plate is rotatably arranged in a heat dissipation groove through a rotating shaft, and a deflector rod is rotatably arranged at the upper end of a memory metal rod through a rotating shaft. A rubber scraping strip abutting against the front face of a lens of the wireless camera is fixedly arranged on the back face of the dust removal rod. According to the utility model, through cooperative arrangement of the heat dissipation groove, the baffle plate, the memory metal rod, the deflector rod and the rotating rod, external dust can be prevented from entering the interior of the wireless camera to the greatest extent under the condition that normal heat dissipation of the wireless camera is not influenced, normal work of components and the service life of the camer