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西北师范大学2013届学年论文1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通信西北师范大学2013届学年论文2AbstractInthispaper,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西北师范大学2013届学年论文3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扩频通信技术的简介...........................................71.5.2扩频通信的工作原理...........................................71.5.3扩频通信的特点...............................................71.6电力载波通信的实现...............................................81.6.1国外的电力线载波专用Modem芯片...............................81.6.2国内电力载波的发展技术.......................................91.7电力线载波通信模块BWP08.........................................91.7.1．BWP08模块的介绍............................................91.7.2．BWP10模块.................................................102.智能家居.............................................102.1.智能家居的简介.................................................102.2智能家居的定义..................................................102.3智能家居的主要实现的功能........................................112.3.1智能灯光控制................................................112.3.2智能电器控制................................................112.3.3安防监控系统................................................122.3.4智能背景音乐................................................122.3.5智能视频共享................................................122.3.6可视对讲系统................................................123.BWP08电力载波通信模块................................133.1.BWP08电力载波模块的简介........................................13西北师范大学2013届学年论文43.2BWP08模块的功能描述............................................133.2.1载波数据速率可配置..........................................133.2.2串行口速率可配置............................................133.2.3数据传输类型可配置..........................................143.2.4关于定帧与定长传输的详细说明................................143.2.5载波频率的设置..............................................153.2.6宽电压供电（5-12V）.........................................153.3BWP08的使用说明................................................153.3.1采用串行接口与用户系统连接..................................153.3.2采用SPI接口与用户系统连接..................................174.基于电力载波智能家居的实例..............................174.1基于电力载波的太阳能热水器......................................174.1.1室外部分....................................................174.1.2室内部分....................................................18结论......................................................19参考文献..................................................19西北师范大学2013届学年论文5引言电力载波通讯即PLC，是英文PowerlineCommunication的简称。电力载波是电力系统特有的通信方式，电力载波通讯是指利用现有电力线，通过载波方式将模拟或数字信号进行高速传输的技术。最大特点是不需要重新架设网络，只要有电线，就能进行数据传递。它以电力线作为传输媒体,利用载波方式将模拟或数字信号变成高频信号,通过电力线实现远距离传输。它具有传输距离远、通道可靠性高、安全保密性好、投资少见效快、与电网建设同步等