Wireless-node communication network monitoring system for coal-bed gas well

The utility model discloses a wireless-node communication network monitoring system for a coal-bed gas well. An on-site terminal system comprises a plurality of technological parameter collection devices and a plurality of video collection devices, wherein the technological parameter collection devices and the video collection devices are respectively used for collecting the technological parameter data and the video image data in the coal-bed gas well. A wireless backbone network subsystem comprises a plurality of wireless receiving and transmitting node devices and a wireless receiving and transmitting root node device. The receiving and transmitting node devices are connected with the technological parameter collection devices and the video collection devices, receive the collected technological parameter data and the collected video image data, and transmit the received technological parameter data and the received video image data to the wireless receiving and transmitting root node device in a wireless