电力载波通信在智能家居中的应用20VIP专享VIP免费

第1页共21页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共21页摘要本文通过本实验室做的一些电力载波项目的实例来说明电力载波通讯的硬件电路设计。电力载波智能控制系统基于BWP08电力线载波芯片而设计开发。电力线载波(PLC)是电力系统特有的、基本的通信方式,具有信息传输稳定可靠,路由合理、可同时复用信号等特点,同时电力线和信号线合一,无须铺设信号线,人们原来使用和维护电器的习惯都不受影响,家电只要在内部配备电力线载波通信芯片、更新程序,便可实现对原有家电的改造.由于家电的信息量小,电力线载波速度慢的缺点不突出,因此电力线载波通讯技术在家居智能化应用方面有着广泛的前景,特别是在中速率传输应用方面,因其具有可靠性高、造价低廉等优点,使其占有明显优势.由于现代通讯技术的发展,使电力线载波通讯成为可能.近几年,随着智能住宅小区的兴起,基于嵌入式系统的电力载波数据通信技术在智能小区,智能家居系统中得到应用.关键词：电力载波BWP08通信第2页共21页第1页共21页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共21页AbstractInthispaper,thelaboratorypowerlinecarrierprojectexamplestoillustratethepowerlinecarriercommunicationhardwarecircuitdesign.PowerLineCarrierintelligentcontrolsystembasedBWP08powerlinecarrierchipdesignanddevelopment.Powerlinecarrier(PLC)isspecifictothepowersystem,thebasiccommunication,hasinformationtransmissionstableandreliable,routingreasonablesimultaneouslymultiplexedsignalsandotherfeaturesatthesametimethepowerlineandsignallineunity,withoutlayingsignalline,peopleturnedouttouseandhabitsarenotaffected,maintenanceofelectricalappliancesaslongasthein-housewithpowerlinecarriercommunicationchips,update,youcanachievethetransformationoftheoriginalappliances.Slowpowerlinecarrierdisadvantageofnotprominent,duetothesmallamountofinformationappliances,powerlinecarriercommunicationtechnologyhasabroadprospectintheintelligenthomeapplications,especiallyapplicationsintherateoftransmission,becauseofitshighreliability,lowcostetc,anditoccupiesadistinctadvantage.Duetothedevelopmentofmoderncommunicationstechnology,powerlinecarriercommunicationpossible.Inrecentyears,withtheriseofsmartresidentialarea,basedonpowerlinecarrierdatacommunicationtechnologyforembeddedsystemsinintelligentcommunity,intelligenthomesystems.Keywords：PowerLineCarrierBWP08Communicate第3页共21页第2页共21页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共21页目录摘要.......................................................1Abstract...........................................................................................................2引言.........................................................51.电力载波通信技术概述....................................51.1电力载波通信技术简介..............................................51.2电力载波通信的基本原理和构成方法..................................51.3电力线载波通信中信号传输特性分析..................................61.3.1低压电力线上输入阻抗及其变化..................................61.3.2低压电力上高频信号的衰减及其变化..............................61.3.3低压电力线传输干扰特性分析....................................61.4常用的低压电力线载波通信技术......................................71.4.1窄带通信方式..................................................71.4.2多载波调制方式................................................71.4.3扩频通信方式..................................................71.5扩频通信技术......................................................71.5.1扩频...