1. 4G 5G device direct connection
2. Forwarding business messages in the central control room (ring network-"central control room-"NGINX-"cloud service)
1. After the downhole equipment detects harmful gases, it connects to the ground server through TCP. The ground server then transfers the harmful gas analysis results to the downhole and publishes an announcement through FTP transmission.
2. After the downhole equipment detects harmful gases, it connects to the ground server through TCP, and the ground server forwards the data to the cloud (Alibaba Cloud, Baidu Cloud, Huawei Cloud). The ground server obtains the cloud data through http, and then transfers the harmful gas analysis results to the underground through FTP transmission to make an announcement.