89现代工程科技ModernEngineeringTechnology第3卷第7期2024年4月Vol.3No.7Apr.2024扩音对讲系统在LNG接收站的应用及发展综述陈晓旭，左娇海洋石油工程股份有限公司，天津300461摘要：分析适用于LNG接收站的扩音对讲系统设计方法。从系统结构、工作原理、传输方式、功能特点等方面详细论述了无主机型扩音对讲系统、有主机型扩音对讲系统、全数字IP型扩音对讲系统和5G型扩音对讲系统这四种扩音对讲系统的功能特点和差异性。通过对四种扩音对讲系统在LNG接收站中应用的优缺点和发展局限性分析对比，提出了在我国现阶段LNG接收站中应用最为广泛的扩音对讲系统设计方案为全数字IP型扩音对讲系统。通过介绍扩音对讲系统的功能和全数字IP型扩音对讲系统在LNG接收站应用案例，详细介绍了数字IP型扩音对讲系统在LNG接收站中的设计方法。阐述了基于5G网络技术的5G型扩音对讲系统在LNG接收站应用的局限性并对其发展进行了展望。关键词：扩音对讲；广播；应急广播；无线对讲；扬声器中图分类号：TE969;TQ056;TN933.3文献标识码：AOverviewoftheDevelopmentandApplicationofLoudspeakerIntercomSystemsinLNGReceivingStationsChenXiaoxu,ZuoJiaoOffshoreOilEngineeringCo.,Ltd.,Tianjin300461Abstract:IntendedtoanalyzethedesignmethodofamplifyingandintercomsystemapplicabletoLNGreceivingstations.Thispaperelaboratesonthefunctionalcharacteristicsanddifferencesoffourtypesofpublicaddressandintercomsystems,includingthesystemstructure,workingprinciple,transmissionmethod,andfunctionalcharacteristics,includingthenon-hosttypepublicaddressandintercomsystem,thehosttypepublicaddressandintercomsystem,thefullydigitalIPtypepublicaddressandintercomsystem,andthe5Gtypepublicaddressandintercomsystem.Byanalyzingandcomparingtheadvantages,disadvantages,anddevelopmentlimitationsoffourtypesofpublicaddressintercomsystemsappliedinLNGreceivingstations,itisproposedthatthemostwidelyusedpublicaddressintercomsystemdesignschemeinLNGreceivingstationsinChinaatpresentisthefullydigitalIPtypepublicaddressintercomsystem.ByintroducingthefunctionsofthepublicaddressintercomsystemandtheapplicationcaseofthefullydigitalIPtypepublicaddressintercomsysteminLNGreceivingstations,thedesignmethodofthedigitalIPtypepublica...
