SW-50B短波发射机故障点监测系统的设计

发布时间：2018-03-31 18:50

本文选题：SW-50B短波发射机　切入点：可编程控制器　出处：《内蒙古大学》2017年硕士论文

【摘要】：内蒙古新闻出版广电局短波发射中心有八台SW-50B短波发射机,其中六台短波发射机从早上五点半开始播音,夜间零点停播,仅周二下午两点半到六点停播三个半小时;剩余两台根据新闻出版广电总局的要求随时进行播出任务,发射机设备巨大,结构复杂,任务繁重,平时只有周二下午可以进行短时间停机维修,出现故障后维修时间很少,因此自动化的实现很有必要。本文通过对控制工程和软件进行分析研究,根据发射机和值机员各自的工作状态、机房值班人员累计的多年工作经验,发射机设计人员将发射机日常出现的故障编号,进行故障号监测。采用数据采集器对发射机主要数据进行采集,经下位机传输送入上位工控机显示,同时显示的还包括部分发射机原监视表头数据等,值班人员可根据显示的故障号和相关表头数据的颜色判断故障的产生,并根据提示的故障产生原因进行相关处理,此次设计将实现故障的远程监测,发射机运行管理从依赖值班员定时巡视到监测系统自动反馈故障的根本变化,减少了职工的工作量,增强了对短波发射设备的监测,提高台站的安全优质播出效率,增进了短波发射设备的可靠性,大大改善了发射质量。此次设计的目的是通过自动化的手段实现发射机故障检修更智能,更方便管理。
[Abstract]:There are eight SW-50B short wave transmitters in the short wave launch center of Inner Mongolia Press, publication, Radio and Television Bureau, of which six short wave transmitters are broadcast from 05:30 to zero at night, only from 02:30 to 6pm on Tuesday for three and a half hours. The remaining two stations carry out broadcasting tasks at any time in accordance with the requirements of the State Administration of Press, publication, Radio, Film and Television. The transmitter has huge equipment, complex structure, and heavy tasks. Normally, only Tuesday afternoon can be carried out for short downtime maintenance, with little maintenance time after failure. Therefore, the realization of automation is very necessary. Through the analysis and study of control engineering and software, according to the respective working state of transmitter and valuer, the accumulated working experience of engineer room shift personnel is many years. The transmitter designer detects the daily fault number of the transmitter and collects the main data of the transmitter by using the data collector, and sends it to the upper industrial control computer through the transmission of the lower computer to display it. At the same time, the display also includes the data of part of the transmitter's original monitor head, etc. The duty personnel can judge the occurrence of the fault according to the displayed fault number and the color of the relevant head data, and carry on the related processing according to the cause of the fault caused by the prompt. This design will realize the remote monitoring of the fault, and the transmitter operation management will change the fundamental change from the regular inspection by the shift attendant to the automatic feedback fault of the monitoring system, which will reduce the workload of the workers and enhance the monitoring of the shortwave transmitting equipment. The safety and high quality broadcasting efficiency of the station is improved, the reliability of shortwave transmitting equipment is enhanced, and the quality of transmission is greatly improved. The purpose of this design is to realize more intelligent and convenient management of transmitter fault repair by means of automation.
【学位授予单位】：内蒙古大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TN934.81

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