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1、內(nèi)蒙古工業(yè)大學(xué)本科畢業(yè)設(shè)計(jì)說(shuō)明書(shū)學(xué)校代碼：10128學(xué)號(hào)：020202008本科畢業(yè)設(shè)計(jì)說(shuō)明書(shū)（題目：變頻恒壓供水系統(tǒng)設(shè)計(jì)學(xué)生姓名：李建國(guó)學(xué)院：信息工程學(xué)院系別：自動(dòng)化系專業(yè)：自動(dòng)化班級(jí)：自動(dòng)化02-1班指導(dǎo)教師：云懷中講師二○○六年六月內(nèi)蒙古工業(yè)大學(xué)本科畢業(yè)設(shè)計(jì)說(shuō)明書(shū)摘要本文中設(shè)計(jì)了一個(gè)變頻恒壓供水系統(tǒng)，應(yīng)用于樓房的供水。是對(duì)變頻調(diào)速技術(shù)的一個(gè)良好應(yīng)用。是當(dāng)今最先進(jìn)、合理的節(jié)能型供水系統(tǒng)。從變頻器問(wèn)世以來(lái)，變頻調(diào)速技術(shù)已在各個(gè)領(lǐng)域得到了廣泛的發(fā)展和利用。高層建筑給水也由原來(lái)采用樓頂水箱、水塔等供水方式，轉(zhuǎn)變?yōu)楣?jié)能、操作簡(jiǎn)單、占地面積小的變頻恒壓供水方式。變頻恒壓供水調(diào)速系統(tǒng)實(shí)現(xiàn)了對(duì)電機(jī)的
2、無(wú)極調(diào)速，依據(jù)水壓的變化自動(dòng)調(diào)節(jié)系統(tǒng)的運(yùn)行參數(shù)，保持水壓恒定以滿足用水要求。本設(shè)計(jì)利用了變頻器的調(diào)速特性、參數(shù)簡(jiǎn)單易懂，及對(duì)電機(jī)的控制具有靈活迅速等特點(diǎn)，通過(guò)壓力信號(hào)反饋到變頻器，再經(jīng)過(guò)PID控制，從而達(dá)到控制電機(jī)轉(zhuǎn)速，以實(shí)現(xiàn)恒壓供水的目的。關(guān)鍵詞：變頻調(diào)速；PID控制；變頻器內(nèi)蒙古工業(yè)大學(xué)本科畢業(yè)設(shè)計(jì)說(shuō)明書(shū)AbstractThispaperdesignsafrequencyconversionconstantpressurewatersystem.Itissuitabletobuildingofconstantpressurewatersystem,andabetterapplyingf
3、orfrequencyconversionspeed-regulationtechnology,fromthefirsttrasducertonow,frequencyconversionspeed-regulationtechnologyhasbeenmoreandmoreusedintheeverycornerofoursociety.High-buildingfeedwaterhasbeenconvertfromroofwatertanksuchmannertoenergy-saving,control-easilyandtakeupacreagesmallofconstantpre
4、ssurewaterfashion.Frequencyconversionconstantpressuregovernorrealizesmotorsteplessspeed-regulation,accordingtowateramounttochangeoperationparameters,keepingaconstantwaterpressuretosatisfywaterwhichisrequire.Thepaperhastherelativecircuitparagraph,controllingparagraphandelaboratedillustration.Thesys
5、temismadeupoffrequencyconverter,motor,thewaterpump,pressuresensors,liquidpositionsensor,water-tankandsoon.Withthecharacteroftransducercharacteristicsofthegovernor,easy-understandparameters,andquick-easilycontrollingmotor,frompressingsignaltotrasducer,withthehelpofPIDcontrol,soitcanrealizetocontrol
6、motorspeed,andconstantpressurewater.Keywords:FrequencyConversionSpeed-regulation;PIDControl;Trasducer內(nèi)蒙古工業(yè)大學(xué)本科畢業(yè)設(shè)計(jì)說(shuō)明書(shū)目錄引言.................................................................1第一章變頻恒壓供水系統(tǒng)的概述..........................................31.1變頻恒壓供水系統(tǒng)...........................................
7、....31.2變頻恒壓供水系統(tǒng)的組成.........................................31.3變頻恒壓供水系統(tǒng)的工作原理.....................................31.4本章小結(jié).......................................................4第二章變頻器在恒壓供水系統(tǒng)中的應(yīng)用.................
