Ｄｅsiｇn of Faｎ Ｃｏntroｌ Systｅｍ Basedｏn ＰLC
Abstract
Ｔｈｅ progｒammablｅ ｌogic cｏntｒｏｌlｅr （PLC） ｉｓ ａ micro
procｅｓsor core, a coｍbinatｉon oｆ computeｒ ｔｅchnology， auｔo
matic cｏｎｔrol teｃｈnｏlｏgy aｎd neｔwｏrk commｕnｉcation techno
ｌｏgｙ， gｅneｒａl iｎdustｒial ｃonｔrol dｅvices. It has easy to us
ｅ,eaｓy maintenａnce， reliabiliｔy, hｉgh cost perｆoｒmanｃe chaｒac
ｔeriｓtｉcs, ｗiｄely ｕsed in many arｅaｓ of industrial cｏntroｌ．The
miｎｅ vertｉｌatｏｒ cｏal proｄｕcｔｉoｎ equipｍent, the fan ｃan wo
ｒk a ｄirｅct impａct on ｃoaｌ pｒoduction ａｃtivitiｅｓ。 Therefo
re， ｔｈe ｍain ｆaｎ tｏ aｃhｉevｅ ｏnline ｍonitoring ｏf verｙ im
poｒｔａnt significaｎcｅ.
In this papeｒ, the workｉnｇ ｅnviｒoｎmeｎt and oｐｅｒatioｎal chａ
rａcteristｉcs ｏｆ ｔheｖｅnｔiｌator, ｔhe ＰLC as thｅ master ｄevice to
iｎtrｏduce a prｏｇrammａble loｇｉcｃonｔrｏller (ＰLＣ） ｉn ｔhe mi
ne ventilａtioｎ ｓｙｓtem; ｅｘplore compoｓiｔioｎ ａnd ｄesigｎｏf fａ
ｎ syｓtｅm to achiｅve auｔomaｔic ｃontrol sｙstｅｍ； inｖolvｅd ｉ
n equｉpmenｔseleｃtiｏn and confｉguｒａｔion of hardware; ｔhｅ prｅp
arａｔion ｏf the vｅntｉlator to ａchieve ａuｔoｍａtiｃ control ｌadder;
anｄ brieflｙ deｓcrｉｂeｓ the PLC aｎd otheriｎtelｌiｇｅnt dｅｖｉces
aｎｄ ｐeｒsonａl ｃoｍｐuters ｎetworｋed ｃｏnｔｒol sysｔem coｍpo
sｅd of。
Thｉs systeｍ iｍｐroves ｔhe ventiｌatoｒ eｑuiｐmenｔ autｏmation
ma ｎ ａ ｇ e ｍ e ｎ t l ｅ vel ， to ｅ ｎ s ｕ re th ｅ ma ｉ n ven ｔ ｉ lato ｒ
equipment， economiｃ， rｅliabｌe operaｔion, ａｎdｐrovｉdes a reliabl
e scｉenｔｉfiｃ baｓｉs for the maｎagemeｎｔ and mａiｎtenancｅ oｆ
equipment.
Keｙｗords： Coal mｉｎe vｅｎtiｌator； PLC； Ｏnlｉｎe monitoｒing
