基于电力线载波通信的路灯控制Word文件下载.docx
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基于电力线载波通信的路灯控制Word文件下载.docx
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文中首先设计了路灯控制系统的总体方案,考虑
到电力线载波通道传输特性,选择采用基于扩频技术的PL3105作为
载波调制解调芯片。
在此基础上进一步对系统进行具体设计与实现,
包括路灯控制系统的硬件设计、载波芯片软件配置、通信协议设计、
中继方式设计等。
然后以DAO技术、MSAccess数据库和VC6.0开发了计算机集控端的路灯控制用户子系统。
最后对模拟系统进行测试,结果表明,该系统工作稳定,操控便捷,达到了设计目标,有较高的实用价值。
关键词:
路灯控制;
电力线载波通信;
PL3105;
中继方式;
串口通信
Abstract
Effectiveandwisecontrolsystemofthestreetlampsisaveryimportantpartofpublicutilities.Theintelligentcontrolsystemforstreet
lampsthatbasedonthetechnologyofpowerlinecommunicationisanewtypeofenergyconservationprogram,hasanimportantsignificance.
Inthispaper,asmallandmedium一sizedstreetlampscontrolsystemhasbeendesignedanddevelopmentthroughtheuseofthetechnologyofpowerlinecommunicationandcentralizedcontrolofcomputer.Theoverallplanhasbeendesignedfirst,takingintoaccountthepowerlinechanneltransmissioncharacteristics,thePL3105chipwhichbasedonthespread-spectrumtechnologyasthecarriermodemhasbeenchosen.Onthebasisofaboveworks,afurtherspecificdesignandimplementationforthesystem,includesdesignofhardware,softwareconfigurationofcarrierchip,designofcommunicationprotocolandrelaymodehasbeenmade.ThenusingDAO,MSAccessandVC6.0todeveloptheuser'
scontrolsubsystemascontrolterminal.Finally,asimulatedsystemhasbeentested,theresultsshowthatthesystemworkingstability,controllingeasily,reachedthedesigngoalsandhaveahighpracticalvalue.
Keywords:
Streetlampscontrolsystem;
Powerlinecommunication;
Relaymode;
Serialcommunication
1绪论.....................................................................................……1
1.1路灯控制研究的意义与现状.....................................................1
1.1.1路灯控制的意义....................................................................1
1.1.2路灯控制的现状....................................................................2
1.2电力线载波通信研究背景.........................................................3
1.3选题背景与所做工作................................................................5
1.4本章小结.................................................................................6
2路灯控制系统概述......................................................................7
2.1电力线载波通信概述................................................................7
2.1.1低压电力线传输特性.............................................................72.1.2载波调制解调技术.................................................................8
2.1.3载波芯片简介.......................................................................10
2.2系统功能需求与设计方案二,.....................................................11
2.2.1系统功能需求.......................................................................11
2.2.2系统设计方案.......................................................................12
2.3路灯控制系统总体结构...........................................................12
2.3.1系统通信传输过程................................................................13
2.3.2数据的捕获和同步................................................................14
2.3.3系统组网及线路加工.....................................................
2.4本章小节................................................................................153
系统硬件设计............................................................................16
3.1载波通信收发模块二。
...............................................................16
3.1.1PL3105最小系统...................................................................16
3.1.2载波收发电路.......................................................................18
3.2终端控制模块…...........................................................,..........19
3.2.1继电器控制电路...................................................................19
3.2.2电流检测电路.......................................................................20
3.3功能电路模块..........................................................................20
3.3.1电源电路..............................................................................203.3.2电力线接口电路...................................................................21
3.3.3串行通信接口电路................................................................22
3.4本章小结................................................................................23
4系统软件设计............................................................................24
4.1通信协议设计.........................................................................24
4.1.1串口通信协议.......................................................................24
4.1.2载波通信协议.......................................................................24
4.1.3单灯寻址协议.......................................................................26
4.2中继方式设计.........................................................................26
4.2.1节点中继方法.......................................................................26
4.2.2中继链路过程
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