【作者】 邓頔；

【导师】 华泽玺；

【作者基本信息】 西南交通大学 ， 控制理论与控制工程， 2013， 硕士

【摘要】 道岔转辙机作为铁路线路电气集中的主要控制设备,其工作可靠性与行车安全有着密切的关联。现阶段电动转辙机在我国使用量较为广泛,其动力由直流电动机提供。电动转辙机的核心部件为电动机,其性能的优劣对转辙机的稳定性有着重大的影响。目前对于转辙机电动机的故障检测,大多采用周期性的人工检查与转辙机试验台测试的方式。该方式存在浪费人力资源、效率低、故障定位慢等缺点。针对上述问题,论文设计并实现可实时采集转辙机电动机工作状态的监测系统。根据系统功能需求并结合站场的实际情况,该系统分为前端检测装置、数据集中器和上位机监测软件三部分。其中数据集中器作为通信中间层,利用串行通信扩展模块与多个电动机检测装置连接并负责数据转发。前端电动机检测装置接收到检测命令后,完成对规定监测参量的采集后,按通信协议帧格式进行数据封装,通过电力载波通信技术将数据耦合送入电力线并传输至数据集中器端,数据集中器完成通信帧地址位转换后,再利用TCP/IP通信技术发送至上位机监测软件。上位机监测软件首先完成通信帧的解析,然后根据监测参量数据值对电动机进行故障分析并显示检测结果。检测结果将被录入数据库,形成转辙机监测日志供检测工程师查看。为提高系统的可靠性,强化了系统自诊断功能,实现电动机检测装置的自检与通信线路的连通性检测。系统实现了对站场转辙机电动机的实时监测,包括转辙机电动机的故障分析与报警、实时监测显示、监测数据存储、报表生成等功能。监测界面通过站场平面图的绘制将各转辙机的实时状态直观的反馈给检测工程师,便于快速的对故障进行定位。该系统的实时监测方案相比传统的转辙机维护方式,减小了日常电动机检修的工作量,缩短了转辙机故障的存在时间,使行车安全进一步得到了保障。系统具有可靠性、安全性、可扩展性,为完善和改进铁路道岔转辙机故障诊断提供一定的参考。更多还原

【Abstract】 Switch as the main control device railway electric interlocking, its working reliability and safety are closely related. At this stage of the electric point machine is widely used in our country, the power provided by a DC motor. The core components of the electric switch for electric motors, has great influence on the stability of the performance of the switch. The motor switch fault detection, using the periodic test manual inspection and switch test method. The method has the disadvantages of waste of human resources, low efficiency, slow, fault location. In view of the above problems, the paper design and implement monitoring system can real-time motor acquisition point machine running state.According to the actual situation of functional requirements and station, the system is divided into front-end detection device, data concentrator and PC monitoring software three parts. In detecting the received command, the front motor detection device to monitor the provisions of parameter acquisition, data package according to the communication protocol frame format, data will be coupled into the power line and transmitted to data collector end through the power line carrier communication technology, data concentrator to finish communication frame address conversion, and then use TCP/IP communication technology to send to the host computer monitoring software. PC monitoring software first complete the analysis of communication frame, then according to the monitoring parameter data value of motor fault analysis and display the monitoring results.The results will be inputted into database for generating monitoring log. In order to improve the system reliability, strengthened the system self-diagnostic function, connectivity detection motor detection device self-checking and communication lines. System of station field real-time monitoring motor switch, analysis, display and alarm monitoring, monitoring data storage, report generation and other functions including motor fault switch. The monitoring interface through the layout drawing of real-time state of each switch visual feedback to the test engineer, convenient and fast locate the fault.Real-time monitoring scheme of the system compared to the traditional way of switch machine maintenance, reduce the daily motor maintenance workload, time shortens the existing fault switch machine, the guarantee safety.The system has the reliability, security, scalability, and provide some reference for perfecting the railway switch improved fault diagnosis.更多还原