楼宇可视对讲门禁系统的设计.doc

楼宇可视对讲门禁系统的设计PAGE\*MERGEFORMAT12本科生毕业论文(设计)题目：楼宇可视对讲门禁系统的设计学生姓名：学号：20101603专业班级：建筑电气与智能化指导教师：完成时间：2014年5月20日摘要随着科学技术的不断发展，楼宇智能化的概念已经越来越深入人心，楼宇智能化市场随之迅速成长，智能建筑也已进入高技术化、实用化发展阶段，未来楼宇智能化市场前景广阔。对讲门禁系统作为智能楼宇中安防系统的重要组成部分，已经从普通对讲发展到可视对讲，可视对讲功能日益趋向于多样化和综合化。可视对讲系统的发展依然受到带宽和处理机运算速率的影响，高性能系统的设计需要高速处理芯片和优秀的压缩算法，价格成为制约数字可视对讲系统市场应用的重要因素。采用单片机技术能实现音频、视频信号的传输及基本控制，并且在抗干扰性、低价位、易调试等方面具有显著的优势。本设计采用单片机AT89S51作为楼宇可视对讲门禁系统的控制核心，采用单片机智能控制技术和CAN总线现场通信技术，实现一个性价比较高的楼宇可视对讲门禁系统，并给出了其完整的硬件电路和软件设计，详细论述了系统各部分对应的软件流程策划方案，较好实现了楼宇可视对讲系统的基本功能。关键词：可视对讲门禁系统；智能化建筑；单片机；CAN总线AbstractWiththecontinuousdevelopmentofscienceandtechnology,theconceptofintelligentbuildingalreadymoreandmoredeeplyrootedin,intelligentbuildingmarketwithrapidgrowth,intelligentbuildingalsohasenteredthestageofhightechnology,practicaldevelopment,intelligentbuildingmarketprospectwillbewideinthefuture.Intercomentranceguardsystemasanimportantpartofintelligentbuildingsecuritysystem,hasdevelopedfromordinaryintercomtovisualintercom,itsfunctionsincreasinglytendtobediverseandcomprehensive.Thedevelopmentofthevisualintercomsystemisstillundertheinfluenceofbandwidthandprocessorspeed,thedesignofthehigh-performancesystemsneedhigh-speedprocessingchipandexcellentcompressionalgorithm,pricesbecomeanimportantfactorofdigitalvideointercommarketapplication.Byusingsinglechipmicrocomputertechnologytorealizeaudio,videosignaltransmissionandbasiccontrol,andithassignificantadvantageinstronganti-interference,lowprice,easydebuggingandsoon.ThisdesignusesthesinglechipmicrocomputerAT89S51asmasterchipofbuildingvisualintercomentranceguardsystem,usingsingle-chipmicrocomputerintelligentcontroltechnologyandCANbuscommunicationtechnology,toachieveahighcostperformanceofbuildingvisualintercomentranceguardsystem.Thisdesigngivesthecompletehardwarecircuitandsoftwaredesign,describedallpartssoftwareprocessplanningschemesofsystemindetail,realizethebasicfunctionofbuildingvisualintercomsystem.Keywords:Visualintercomsystem;Intelligentbuilding;MCU;CANbus目录TOC\o"1-3"\h\z\uHYPERLINK\l"