F5G industrial optical ring network communication technology and its application and prospect in coal mines
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摘要: 矿井传统有线通信网络存在带宽固定、有效利用率低、时延较高、系统配置不灵活等问题，无法满足矿井智能化业务发展需求。矿用5G及WiFi6无线通信存在巷道衰减大、 可靠性不及有线通信的问题。针对F5G（第5代固定网络）工业光环网通信技术的特点，指出F5G工业光环网通信技术是矿井有线通信的发展趋势。介绍了 F5G工业光环网的2个关键技术：10 Gibit/s PON（无源光网络）技术、数智光分配网（DQ ODN）技术；比较了F5G工业光环网与传统有线网络在网络时延、电气安全、业务安全、施工安全、维护安全等方面的优势。结合F5G工业光环网通信技术在煤矿井下应用的需求特点及建设实例，分析了F5G工业光环网通信技术在井下工业远程控制、高清视频回传、工业网络迁移、远程故障诊断、无线网络信号回传等场景的具体应用，指出F5G工业光环网通信技术在矿井应用的不足与前景：① 基于F5G工业光环网通信技术的矿用设备种类较少。② 在不同场景的适应性、不同业务种类的适配性方面有待提升。③ F5G工业光环网通信技术在系统接口与协议方面与传统以太环网通信接口相同，终端设备无需更改适配即可接入使用，是未来煤矿场景工业网络的有效解决方案。④ 煤矿应结合自身实际情况建设F5G试点，以实际场景支撑F5G工业光环网通信技术的应用与研究。Abstract: The traditional wired communication network in coal mines has problems such as fixed bandwidth, low effective utilization, high time-delay, and inflexible system configuration. This cannot meet the development needs of intelligent business in coal mines. Mining 5G and WiFi6 wireless communication has the problem of large roadway attenuation and lower reliability than wired communication. According to the characteristics of F5G (the fifth generation fixed networks) industrial optical ring network communication technology, it is pointed out that F5G industrial optical ring network communication technology is the development trend of mine wired communication. Two key technologies of F5G industrial optical ring network are introduced. They are 10 Gibit/s PON (passive optical network) technology and digital quick optical distribution network (DQ ODN) technology. The advantages of F5G industrial optical ring network and traditional wired network in network delay, electrical safety, business safety, construction safety and maintenance safety are compared. Based on the demand characteristics and construction examples of F5G industrial optical ring network communication technology applied in coal mines, this paper analyzes the specific applications of F5G industrial optical ring network communication technology in scenarios such as underground industrial remote control, high-definition video transmission, industrial network migration, remote fault diagnosis, and wireless network signal transmission. It points out the shortcomings and prospects of F5G industrial optical ring network communication technology in coal mines. ① There are few types of mining equipment based on F5G industrial optical ring network communication technology. ② There is still room for improvement in the adaptation of scenarios and different business types. ③ The F5G industrial optical ring network communication technology is the same as the traditional Ethernet ring network communication interface in terms of system interface and protocol. The terminal equipment can be accessed and used without changing the adaptation. It is an effective solution for the industrial network in the future coal mine scenario. ④ Coal mines should build F5G pilot projects based on their own actual conditions to support the application and research of F5G industrial optical ring network communication technology with actual scenarios.
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图 2 F5G工业光环网连接视频终端
Figure 2. Connection mode between F5G industrial optical ring network and video terminal
图 3 F5G工业光环网承载WiFi基站
Figure 3. F5G industrial optical ring network carring WiFi base station
表 1 F5G网络与传统网络时延对比
Table 1. F5G network and traditional network delay comparison
类型 配置帧/bit 最小时延/μs 最大时延/μs 平均时延/μs F5G网络 262 29.66 405.21 76.734 1 280 42.49 411.63 88.602 1 518 45.36 418.47 94.704 传统网络 262 28.30 8 762.81 5 320.05 1 280 42.97 8 762.87 2 713.12 1 518 47.14 8 788.44 3 969.04 
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