| 基于4G网络通信的接触网检修接地线监测装置的研究 |
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| 引用本文：刘家军1,王睿1,周少瑜2.基于4G网络通信的接触网检修接地线监测装置的研究[J].电网与清洁能源,2018,34(2):17~22 |
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| 基金项目:陕西省科技统筹创新工程计划项目（2013KTCQ01-14） ；陕西省教育厅服务地方专项计划项目（16JF020）；西安市碑林区科技局科技计划项目（2017GX1714） |
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| 中文摘要:挂接地线是接触网停电检修安全作业的关键环节。检测挂接地线与接触导线以及接地极是否可靠连接是判定挂接地线接地的重要依据。针对现有的接地线管理系统中采集装置实时性和接地极接地状态检测研究不足的问题，设计一种基于4G数据通信的接触网检修作业挂接地线监测装置。该装置采用高性能32位ARM处理器，对挂接点和接地状态进行监测，同时结合摄像头、GPS定位模块对地线挂接位置及挂接状态综合监测，运用第四代通信技术，实现对接地线挂接及接地状态、位置及挂接图像信息实时上传，调度及检修作业管理人员可及时监控现场作业地线挂接的具体情况，有效地防止现场检修作业地线漏挂、误挂及带地线送电等安全事故的发生，为现场检修人员安全保障起到重要作用。 |
| 中文关键词:接触网 挂接地线 状态监测 4G网络通信 接地检测 |
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| Research on Monitoring Device of Grounding Wire for Catenary Inspection Based on 4G Network Communication |
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| Abstract:The grounding wire is the key link in the safety operation of the power outage maintenance of the contact network. Determination of the reliable grounding of the grounding wire depends on testing and judging whether the grounding wire is reliably connected with the contact wire and the grounding electrode. In view of inadequate testing research on the real-time performance of the acquisition device and on detection of the grounding electrode’s status in the grounding wire management system， this paper designs a monitoring device for the grounding wire for the catenary maintenance operation based on 4G data communication. Adopting a high-performance 32-bit ARM processor， the device can not only monitor the hanging and earthing point and the grounding state， but also comprehensively monitor the hanging and earthing positions and states of the grounding wire with the assistance of cameras and GPS positioning modules. Furthermore， the fourth-generation communication technology is used to realize the real-time upload of the hanging， earthing and grounding states and positions of the grounding wire as well as the hanging and earthing image information. In this way， management staffs for scheduling and maintenance operations can timely monitor specific situations of hanging and earthing of the ground wires in the field operation， effectively preventing the occurrence of safety accidents such as missing hanging and error hanging of the grounding wire as well as energization with the grounding wire， etc. playing an important role in safeguarding the safety of the maintenance personnel. |
| keywords:catenary grounding wire state monitoring 4G network communication grounding detection |
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