Abstract

Aiming at the monitoring system for the distributed nitrogen generator devices, a remote distributed monitoring system for mine nitrogen generator devices based on the edge gateway is designed. Three parts are involved in the monitoring system, they are local devices, cloud server and monitoring side. Local devices are typical industrial control system with PLC controller and network communicator to realize remote monitoring. More than common remote monitoring system, an edge gateway is added near the local controller, helping handle data, store data and compress data, communicating with cloud server for remote monitoring. The cloud server communicates with the nitrogen generator devices with MQTT protocol. The monitoring side is programmed using JQuery and Echarts to build Web interface. Two tests were conducted to confirm the time-delay and control reliability of the remote monitoring system, it showed that time delay was less than 400ms with no packet loss and success control rate is more than 99.9%.

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