广播中波发射台三台发射机天线倒换开关设计与实现  

Design and Implementation of Antenna Switching Switches for Three Transmitters in Broadcasting Medium Wave TransmittingStation

作　　者：郭焕 GUO Huan(Guizhou provincial Radio and Television Bureau 501,Guiyang 550004,China)

机构地区：[1]贵州省广播电视局五〇一台,贵州贵阳550004

出　　处：《电视技术》2024年第8期9-12,共4页Video Engineering

摘　　要：两台发射机天线倒换开关只考虑一次倒换,倒换原理简单易操作。增加一台发射机,安全播出任务更有保障。为此,分析三台发射机天线倒换开关的设计需求,介绍倒换开关关键设备陶瓷真空继电器,详细介绍三台发射机天线倒换开关整体结构、关键设备及连接原理,阐述三台发射机的倒换流程。Two transmitter antenna switching switch only consider one switching,switching principle is simple and easy to operate.With the addition of a transmitter,the mission is more secure.Therefore,this paper analyzes the design requirements of the three transmitters antenna switch,introduces the ceramic vacum relay,the key equipment of the switch,introduces the overall structure,key equipment and connection principle of the three transmitters antenna switch in detail,and describes the switching process of the three transmitters.

关 键 词：陶瓷真空继电器 中波广播发射机 天线倒换开关 

分 类 号：TN838[电子电信—信息与通信工程]