Coal mine intelligent information comprehensive carrier network
-
摘要: 目前用于煤矿井下的信息承载网主要是百兆、千兆和万兆矿用以太环网,其时延和可靠性不可控,难以满足煤矿井下少人或无人作业、地面远程控制等需求。服务质量(QoS)可保证最高优先级应用的实时性和可靠性,但当多路接口信号同时汇入且数据量较大,或前1个数据包正在发送时,最高优先级应用的实时性和可靠性也无法保证。针对上述问题,提出了煤矿智能化信息综合承载网技术要求:传输带宽宽、传输时延短、可靠性高、传输距离远、抗干扰能力强、本质安全防爆、电网电压波动适应能力强、抗故障能力强、防护性能好、多业务综合承载等。基于上述要求,提出了基于灵活以太网(FlexE)的煤矿智能化信息综合承载网,根据时间敏感和时间不敏感视频、时间敏感和时间不敏感音频、人员定位、车辆定位、设备定位、安全监控、供电监控、运输监控、排水监控、采煤工作面监控、掘进工作面监控等不同业务对带宽、时延和可靠性的需求,分配不同的信道,将煤矿监控、定位、视频和音频等多网合一。基于FlexE的煤矿智能化信息综合承载网既满足了地面远程控制、人员定位、安全监控等不同业务对带宽、时延和可靠性的需求,又实现了煤矿智能化信息一网综合承载,减小了维护难度和工作量。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.
-
[1] 孙继平. 煤矿机器人电气安全技术研究[J]. 煤炭科学技术,2019,47(4):1-6.SUN Jiping. Research on electrical safety technology of coal mine robot[J]. Coal Science and Technology,2019,47(4):1-6. [2] 孙继平,钱晓红. 2004—2015年全国煤矿事故分析[J]. 工矿自动化,2016,42(11):1-5.SUN Jiping,QIAN Xiaohong. Analysis of coal mine accidents in China during 2004-2015[J]. Industry and Mine Automation,2016,42(11):1-5. [3] 孙继平,钱晓红. 煤矿事故与应急救援技术装备[J]. 工矿自动化,2016,42(10):1-5.SUN Jiping,QIAN Xiaohong. Coal mine accident and emergency rescue technology and equipment[J]. Industry and Mine Automation,2016,42(10):1-5. [4] 国家统计局. 中华人民共和国2021年国民经济和社会发展统计公报[EB/OL]. (2022-02-28)[2022-03-14]. http://www.stats.gov.cn/tjsj/zxfb/202202/t20220227_1827960.html.National Bureau of Statistics. Statistical bulletin of the People's Republic of China on national economic and social development in 2021[EB/OL]. ( 2022-02-28)[2022-03-14]. http://www.stats.gov.cn/tjsj/zxfb/202202/t20220227_1827960.html. [5] 中国煤炭报. 2021年全国煤矿百万吨死亡率同比下降24%[EB/OL]. (2022-01-10)[2022-03-14]. http://www.coalchina.org.cn/index.php?m=content&c=index&a=show&catid=40&id=135812.China Coal News. The death rate per million tons of coal mines in China has dropped by 24% year-on-year in 2021[EB/OL]. (2022-01-10)[2022-03-14]. http://www.coalchina.org.cn/index.php?m=content&c=index&a=show&catid=40&id=135812. [6] 孙继平. 煤矿智能化与矿用5G[J]. 工矿自动化,2020,46(8):1-7.SUN Jiping. Coal mine intelligence and mine-used 5G[J]. Industry and Mine Automation,2020,46(8):1-7. [7] 孙继平,陈晖升. 智慧矿山与5G和WiFi6[J]. 工矿自动化,2019,45(10):1-4.SUN Jiping,CHEN Huisheng. Smart mine with 5G and WiFi6[J]. Industry and Mine Automation,2019,45(10):1-4. [8] 孙继平,张高敏. 矿用5G频段选择及天线优化设置研究[J]. 工矿自动化,2020,46(5):1-7.SUN Jiping,ZHANG Gaomin. Research on 5G frequency band selection and antenna optimization setting in coal mine[J]. Industry and Mine Automation,2020,46(5):1-7. [9] 孙继平. 煤矿智能化与矿用5G和网络硬切片技术[J]. 工矿自动化,2021,47(8):1-6.SUN Jiping. Coal mine intelligence,mine 5G and network hard slicing technology[J]. Industry and Mine Automation,2021,47(8):1-6. [10] 孙继平. 煤矿井下有线宽带信息传输研究[J]. 工矿自动化,2013,39(1):1-5. doi: 10.7526/j.issn.1671-251X.2013.01.001SUN Jiping. Research of wired broadband information transmission of coal mine[J]. Industry and Mine Automation,2013,39(1):1-5. doi: 10.7526/j.issn.1671-251X.2013.01.001 [11] 中国电信, 华为技术有限公司. 灵活以太网技术白皮书(2018版)[R/OL]. (2020-03-28)[2022-03-14]. https://www.doc88.com/p-80799016787225.html.China Telecom, Huawei Technologies Co. , Ltd. White paper on flexible Ethernet technology( 2018 edition)[R/OL]. (2020-03-28)[2022-03-14]. https://www.doc88.com/p-80799016787225.html.