合肥轨道交通4、6号线信号系统拆分方案
刘龙
Hefei Rail Transit Line 4 and Line 6 Signaling System Splitting Plan
LIU Long
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作者信息:合肥市轨道交通集团有限公司， 230001， 合肥
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Affiliation:Hefei Rail Transit Group Co., Ltd., 230001, Hefei, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2023.09.050
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中图分类号/CLCN:U231.7
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栏目/Col:应用技术
摘要:
目的：依据合肥轨道交通4、6号线信号系统拆分工程需求，需针对性研究拆分方案。方法：分析了4、6号线信号系统的拆分需求，以及拆分后两线在北雁湖站同站台换乘时LTE(长期演进)系统相互干扰问题；介绍了4、6号线信号系统的拆分方案——拆分段轨旁设计方案，拆分站北雁湖站拆分设计方案，科学城车辆段拆分设计方案，DCS(数据通信系统)子系统拆分设计方案；介绍了北雁湖站两线LTE系统防干扰设计方案。结果与结论：工程实践表明，4、6号线信号系统拆分工程的关键点在于前期的预留和拆分方案设计。通过提供完善的拆分条件预留，充分利用既有设备，可减少拆分实施时改造的工程量，避免调试时对既有线运营造成影响。
Abstracts:
Objective: Based on the requirements of Hefei Rail Transit Line 4 and Line 6 signaling system splitting engineering, a targeted study on the splitting plan is necessary. Method: The demands for Line 4 and Line 6 signaling system splitting are analyzed, as well as the interference issue of LTE (longterm evolution) system between the two lines during sameplatform interchange at Beiyanhu Station after splitting. The splitting plans for Line 4 and Line 6 signaling system are introduced, including segmented wayside design plan, splitting plan for Beiyinhu station as the splitting station, splitting design plan for Kexuecheng Depot, and splitting design plan for DCS (data communication system) subsystem. The antiinterference design scheme for LTE systems of the two lines at Beiyanhu Station is also presented. Result & Conclusion: Engineering practice demonstrates that the key to Line 4 and Line 6 signaling system splitting lies in early preservation and splitting plan design. By providing complete preservation for splitting conditions and making full use of existing equipment, the amount of engineering work required for splitting implementation can be reduced, and potential impacts on existing line operation during testing and commissioning can be avoided.
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