Tunnel gas monitoring system based on Internet of Things and comprehensive communication means

The utility model discloses a tunnel gas monitoring system based on the Internet of Things and an integrated communication means, and belongs to the technical field of the Internet of Things and communication. The environment sensing module is in communication connection with the relay module through the wireless LORA module; the relay modules are in communication connection with each other and transmit environment sensing data to an underground switch arranged at a lining step by step; the underground switch is in communication connection with the main control computing equipment in a wired or wireless mode; the master control computing device is connected with the PLC controller in a wired mode to achieve transmission of control signals. A manual monitoring terminal is connected in a wired or wireless mode, and collection of manual monitoring data is achieved; the PLC control machine is connected with the ventilation intelligent linkage module, the alarm Internet of Things device and the remote power-off in