簡(jiǎn)介:本科畢業(yè)設(shè)計(jì)題目家用電冰箱自動(dòng)控制系統(tǒng)的設(shè)計(jì)學(xué)院工業(yè)制造學(xué)院專(zhuān)業(yè)測(cè)控技術(shù)與儀器學(xué)生姓名學(xué)號(hào)年級(jí)指導(dǎo)教師職稱年月日THEAUTOMATICCONTROLSYSTEMDESIGNOFHOUSEHOLDREFRIGERATORSPECIALTYMEASUREMENTANDCONTROLTECHNOLOGYANDINSTRUMENTSTUDENTNUMBERSTUDENTSUPERVISORABSTRACTTHISDESIGNISTOUSETHESTC89C52MCS51SERIESSINGLECHIPMICROCOMPUTERASTHECOREOFTHECONTROLLERTOCONTROLTHEWORKINGPROCESSOFTHEREFRIGERATORINTRODUCTIONTOTHESYSTEMMAINLYDIVIDEDINTOTWOPARTSTHEHARDWARESTRUCTUREANDSOFTWAREPROGRAMMINGOFTHESYSTEMHARDWARESTRUCTUREOFTHESYSTEMINCLUDESINGLECHIPMICROCOMPUTER,TEMPERATUREACQUISITIONCIRCUIT,DEFROSTINGCIRCUIT,THEKEYBOARD/DISPLAYCIRCUIT,ACTUATORS,ALARMMODULE,ETCSYSTEMSOFTWAREINCLUDESTHEMAINPROGRAM,INTERRUPTSERVICEPROGRAMANDSUBROUTINETHROUGHTHESOFTWAREPROGRAMTOCONTROLTHEONCOMPRESSORANDELECTRICHEATER,ANDTOREALIZETHEPURPOSEOFTEMPERATURECONTROLANDAUTOMATICDEFROSTFUNCTIONOPENEDTHEDOORWHENTHEREFRIGERATORTEMPERATUREOVERRUN,TIMEOUT,ANDSOONANDSOFORTH,AUTOMATICALARMSYSTEM,THERELAYISDISCONNECTEDFROMTHECOMPRESSORSHALLBEFORBIDDENTOUSEKEYWORDSREFRIGERATORSSINGLECHIPMICROCOMPUTERTEMPERATUREACQUISITIONDEFROSTLCDDISPLAYTEMPERATURE
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