溫州協豐儀表科技有限公司是一家專業從事電動調節閥、電動閥門、電動法蘭球閥、電動裝置、電動執行機構、防爆電動執行器、電動執行器、角行程電動頭、閥門電動裝置、精小型電動閥門、電動球閥、電動蝶閥、電動塑料閥、衛生(sheng)級電動閥，及其自(zi)動化(hua)控制系(xi)統的(de)研究、開發(fa)、生(sheng)產和銷(xiao)售(shou)服務(wu)為一體的(de)企業。

　　淺析閥門電動裝置選型要點

　　一、前言閥門電動裝置廣泛應用于市政和工礦企業的給排水系統。電動閥門由電動裝置、閥門本體、連接附件和控制箱等組成。電動(dong)閥門的電動(dong)裝置(zhi)(zhi)是實現(xian)閥門程控、自控和遙(yao)控不(bu)可(ke)缺少的驅動(dong)設備。 電動(dong)閥門一(yi)般是由(you)給排水(shui)專業選型的，給排水(shui)技術(shu)人(ren)員在工程設計(ji)時須對(dui)閥門電動(dong)裝置(zhi)(zhi)提(ti)出具(ju)體的功能要(yao)求(qiu)，并由(you)制造(zao)廠商對(dui)閥門電動(dong)裝置(zhi)(zhi)進行選型。然而(er)，在實際工程中經常會發生在現(xian)場安裝時，閥門電動(dong)裝置(zhi)(zhi)與控制系(xi)統沖突等不(bu)匹配的現(xian)象。這(zhe)通常是由(you)于(yu)在確定(ding)電動(dong)裝置(zhi)(zhi)的功能需求(qiu)時有不(bu)合(he)理或是不(bu)完善的地方。

　　二、閥門(men)電(dian)動(dong)(dong)(dong)(dong)(dong)裝置的(de)組(zu)成 電(dian)動(dong)(dong)(dong)(dong)(dong)裝置一般(ban)由下列部分(fen)組(zu)成：專(zhuan)用(yong)電(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)減(jian)速機(ji)(ji)構(gou)(gou)，用(yong)以(yi)降低電(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)的(de)輸出轉(zhuan)(zhuan)(zhuan)速；行程(cheng)控(kong)(kong)制(zhi)(zhi)(zhi)機(ji)(ji)構(gou)(gou)，用(yong)以(yi)調(diao)節和準(zhun)確(que)控(kong)(kong)制(zhi)(zhi)(zhi)閥門(men)的(de)啟(qi)閉(bi)位(wei)置；轉(zhuan)(zhuan)(zhuan)矩(ju)限制(zhi)(zhi)(zhi)機(ji)(ji)構(gou)(gou)，用(yong)以(yi)調(diao)節轉(zhuan)(zhuan)(zhuan)矩(ju)(或推力）并使之不超過(guo)預定值；手動(dong)(dong)(dong)(dong)(dong)、電(dian)動(dong)(dong)(dong)(dong)(dong)切換機(ji)(ji)構(gou)(gou)，進行手動(dong)(dong)(dong)(dong)(dong)或電(dian)動(dong)(dong)(dong)(dong)(dong)操作的(de)聯鎖(suo)機(ji)(ji)構(gou)(gou)；開度指(zhi)示(shi)器，用(yong)以(yi)顯示(shi)閥門(men)在啟(qi)閉(bi)過(guo)程(cheng)中(zhong)所處的(de)位(wei)置。其中(zhong)，行程(cheng)控(kong)(kong)制(zhi)(zhi)(zhi)機(ji)(ji)構(gou)(gou)、轉(zhuan)(zhuan)(zhuan)矩(ju)限制(zhi)(zhi)(zhi)機(ji)(ji)構(gou)(gou)、手動(dong)(dong)(dong)(dong)(dong)、電(dian)動(dong)(dong)(dong)(dong)(dong)切換機(ji)(ji)構(gou)(gou)及開度指(zhi)示(shi)器等合稱(cheng)為電(dian)動(dong)(dong)(dong)(dong)(dong)執行器。

　　三、閥門電(dian)(dian)動裝(zhuang)置(zhi)(zhi)選型、確定功(gong)能(neng)要(yao)求時所須注意的(de)要(yao)點(dian) 在電(dian)(dian)動裝(zhuang)置(zhi)(zhi)選型、確定功(gong)能(neng)要(yao)求時，需要(yao)注意的(de) 要(yao)點(dian)包括確定電(dian)(dian)動裝(zhuang)置(zhi)(zhi)的(de)IP防(fang)護等(deng)級、電(dian)(dian)動裝(zhuang)置(zhi)(zhi)的(de)電(dian)(dian)源電(dian)(dian)壓、電(dian)(dian)動裝(zhuang)置(zhi)(zhi)的(de)90°運行時間和電(dian)(dian)動執行器(qi)的(de)形式等(deng)。

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