資源描述：
《電梯的plc自動(dòng)化控制 畢業(yè)論文》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、_________________________________________________________________________????摘要?????隨著我國(guó)經(jīng)濟(jì)的高速發(fā)展，微電子技術(shù)、計(jì)算機(jī)技術(shù)和自動(dòng)控制技術(shù)也得到了迅速發(fā)展，交流變頻調(diào)速技術(shù)已經(jīng)進(jìn)入一個(gè)嶄新的時(shí)代，其應(yīng)用越來(lái)越廣。而電梯作為現(xiàn)代高層建筑的垂直交通工具，與人們的生活緊密相關(guān)，隨著人們對(duì)其要求的提高，電梯得到了快速發(fā)展，其拖動(dòng)技術(shù)已經(jīng)發(fā)展到了調(diào)頻調(diào)壓調(diào)速，其邏輯控制也由PLC代替原來(lái)的繼電器控制。本文在已有的通變頻器的基礎(chǔ)上，采
2、用PLC對(duì)電梯進(jìn)行控制，通過(guò)合理的選擇和設(shè)計(jì)，提高了電梯的控制水平，并改善了電梯運(yùn)行的舒適感，使電梯達(dá)到了較為理想的控制效果。?????關(guān)鍵詞:可編程控制器電梯控制變頻調(diào)速?????43_________________________________________________________________________ABSTRACT?????Withthedevelopmentoftheeconomy,microelectronictechnology,computertechnologyandt
3、heautomatictheoryaredevelopedrapidly,theACvariablefrequencytechnologyhasbeeninanewstate.Itsapplicationisbecomingmoreandmorewidely.Buttheelevatorasanimportanttrafficinskyscraper，italsohasdevelopedquicklywiththeimprovingrequirementofthepeople.Itsdraggingtechno
4、logyhasdevelopedfromDCtimingtoACvariablefrequencytiminganditslogiccontrol-relaycontrolalsohasbeenreplacedbyPLC.Thearticleisbasedonthenow-beinggeneralfrequencyconverter,usingPLCtocontroltheelevator,thereliabilityisimprovedandthefeelingofcomfortisbetterthrough
5、thereasonableselectionanddesign,sotheeffectofcontrolismoreideal.?Keyword:PLC,ElevatorControl，frequencyconversiontimingelevatorfeeling.?????43_________________________________________________________________________43__________________________________________
6、_______________________________目錄1緒論·························11.1課題的必要性與發(fā)展概況···································11.2基本方案選擇·············································21.3系統(tǒng)硬件設(shè)計(jì)·············································32電梯的發(fā)展動(dòng)態(tài)···················62.1電梯技術(shù)發(fā)
7、展概況········································62.2電梯發(fā)展展望·············································63總體方案······················8343_________________________________________________________________________.1電梯繼電器控制系統(tǒng)的特點(diǎn)及存在問(wèn)題······················83.2PLC及在電梯控制中
8、的應(yīng)用特點(diǎn)···············93.3電梯變頻調(diào)速控制的特點(diǎn)···································113.4電梯設(shè)備·························124總體方案的確定選擇·················144.1變頻器的選擇············································144.2可
