Volume 48 Issue 3
Mar.  2022
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SUN Jiping, CHENG Jiamin. Coal mine intelligent information comprehensive carrier network[J]. Journal of Mine Automation，2022，48(3)：1-4, 90.  doi: 10.13272/j.issn.1671-251x.17905
Citation: SUN Jiping, CHENG Jiamin. Coal mine intelligent information comprehensive carrier network[J]. Journal of Mine Automation，2022，48(3)：1-4, 90.  doi: 10.13272/j.issn.1671-251x.17905
shu

Coal mine intelligent information comprehensive carrier network

doi: 10.13272/j.issn.1671-251x.17905

  • School of Mechanical Electronic and Information Engineering, China University of Mining and Technology(Beijing), Beijing 100083, China

  • Received Date: 2022-03-15
  • Rev Recd Date: 2022-03-16
    • Available Online: 2022-03-22
    Abstract
  • At present, the information carrier network used in coal mine is mainly 100 Megabit, Gigabit and 10 Gigabit mining Ethernet ring network. The time delay and reliability of the network are uncontrollable. Therefore, it is difficult to meet the needs of few people or unmanned operation in underground coal mine and remote control on the ground. Quality of service (QoS) can guarantee the real-time performance and reliability of the highest priority application. However, the real-time performance and reliability of the highest priority application can not be guaranteed when multiple interface signals are imported at the same time and the data volume is large, or when the previous data packet is being sent. In order to solve the above problems, the technical requirements of coal mine intelligent information comprehensive carrier network are proposed. The requirements include wide transmission bandwidth, short transmission delay, high reliability, long transmission distance, strong anti-interference capability, intrinsically safe explosion-proof, strong adaptability to grid voltage fluctuation, strong anti-fault capability, good protection performance, multi-service comprehensive carrying, etc. Based on the above requirements, a coal mine intelligent information comprehensive bearing network based on flexible Ethernet (FlexE) is proposed. This network allocates different channels according to the requirements of different services on bandwidth, time delay and reliability. The businesses include time sensitive and time insensitive video, time sensitive and time insensitive audio, personnel positioning, vehicle positioning, equipment positioning, safety monitoring, power supply monitoring, transportation monitoring, drainage monitoring, coal working face monitoring and heading face monitoring. The network integrates coal mine monitoring, positioning, video and audio into one network. The coal mine intelligent information comprehensive carrier network based on FlexE not only meets the requirements of different services such as ground remote control, personnel positioning and safety monitoring for bandwidth, delay and reliability, but also realizes the coal mine intelligent information comprehensive carrier network, reducing the maintenance difficulty and workload.

     

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