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1、鹽城工學(xué)院本科生畢業(yè)設(shè)計(jì)說明書(2010)畢業(yè)設(shè)計(jì)說明書基于CAN總線開關(guān)電源的監(jiān)控系統(tǒng)設(shè)計(jì)專業(yè)電氣工程及其自動(dòng)化學(xué)生姓名陸召寶班級(jí)B自動(dòng)化072學(xué)號(hào)0710603212指導(dǎo)教師張勝超完成日期2010年6月5日鹽城工學(xué)院本科生畢業(yè)設(shè)計(jì)說明書(2010)基于CAN總線開關(guān)電源的監(jiān)控系統(tǒng)設(shè)計(jì)摘要：隨著我國經(jīng)濟(jì)的不斷發(fā)展，對(duì)能源的巨大需求和對(duì)城市環(huán)境的改善，大量使用埋地管線來承擔(dān)運(yùn)輸燃料和水電的運(yùn)輸功能，越來越突出了金屬開關(guān)的重要性。以前的開關(guān)電源已經(jīng)不能滿足現(xiàn)在的安全和環(huán)保要求。我們必須設(shè)計(jì)新型開關(guān)電源提高測(cè)量準(zhǔn)確性、可靠性和開放性。介紹基于CAN總線的開關(guān)電源監(jiān)控系統(tǒng)，結(jié)合現(xiàn)場(chǎng)總線技術(shù)和微控制
2、器，計(jì)算機(jī)軟硬件技術(shù)，開發(fā)集信號(hào)轉(zhuǎn)換、數(shù)據(jù)采集、智能控制、遠(yuǎn)程通訊于一體的開關(guān)電源智能監(jiān)控系統(tǒng)。根據(jù)系統(tǒng)設(shè)計(jì)任務(wù)，設(shè)計(jì)原則以及總體設(shè)計(jì)方案重點(diǎn)介紹CAN總線接口電路以及系統(tǒng)抗干擾等硬件功能模塊和小信號(hào)調(diào)理電路，模數(shù)轉(zhuǎn)換電路、可變?cè)鲆娣糯箅娐返脑O(shè)計(jì)過程。對(duì)各個(gè)模塊進(jìn)行詳細(xì)的分析，給出設(shè)計(jì)要點(diǎn)和具體的電路圖。設(shè)計(jì)時(shí)采用新型電子技術(shù)與數(shù)控技術(shù)的有機(jī)結(jié)合，同時(shí)利用上位機(jī)強(qiáng)大的數(shù)據(jù)處理能力，實(shí)行數(shù)據(jù)分析和實(shí)時(shí)控制。緊緊圍繞功能需要和硬件設(shè)計(jì)，建立了軟件開發(fā)體系結(jié)構(gòu)，開發(fā)出單片機(jī)系統(tǒng)軟件結(jié)構(gòu)的功能模塊，實(shí)現(xiàn)整個(gè)系統(tǒng)的功能設(shè)計(jì)。該系統(tǒng)的運(yùn)用實(shí)現(xiàn)了防腐工程的無人化管理，并具有低成本、擴(kuò)展性、可靠性等特點(diǎn)，為
3、防腐工程的遠(yuǎn)程管理提供了較好的解決方案。關(guān)鍵詞：CAN總線；開關(guān)電源；單片機(jī)鹽城工學(xué)院本科生畢業(yè)設(shè)計(jì)說明書(2010)DesignonMonitoringSystemofSMPSBasedonCANBusAbstract:Withthedevelopmentofeconomyofourcountry,enormousdemandfortheenergyandimprovementoftheurbanenvironment,usethepipelineunderthegroundtotransportfuel,waterandelectricity,stressingtheimportance
4、oftheanticorrosiveprojectmoreandmore.Theearlyswitchingmodepowersupply(SMPS)can'talreadymeetthepresentrequirementofsecurityandenvironmentprotection.Wemustdevelopthenewmachinetoimproveaccuracy,dependabilityandopening.ThedesignusenewMCUandcomputerhardware&softwaretechnologyandfieldbustechnologytodevel
5、opintelligentmeasuring/controllingnodeofswitchingmodepowersupply,whichincludingsignalconversion,datacollection,intelligentcontrolling,long-distancecommunicationandotherfunctions.Accordingtothisitemapplicationandconsumerdemand,summarizesystemdesigntasksandrules,researchedsomeofthesystemkeytechnology
6、.Putforwardprogrammableexcitationnewtechnologyandbuiltsystemdevelopmentarchitectureandanalyzedallmodules'functionanditsrole.Inthedesign,advancedelectronictechnologyandMCUtechnologyarecombinedclosely.UtilizingPCresource,thesystemcandealwithhugefielddataandprocessreal-timecontrolling.Theend,aroundthe
7、requirementofthewholesystem,nodedrivingprogramdesignthinkingtoestablishMCUsystemsoftwarearchitectureispresented.Afterusingthemeasuring/controllingsystem,theanticorrosiveprojectcanrealizenobody-dutymanagemen
