Benche ea tlhahlobo ea mohlala oa turbine ea Hydraulic e bapala karolo ea bohlokoa ho nts'etsopele ea mahlale a motlakase oa metsi.Ke sesebelisoa sa bohlokoa ho ntlafatsa boleng ba lihlahisoa tsa motlakase oa metsi le ho ntlafatsa ts'ebetso ea likarolo.Tlhahiso ea semathi se seng le se seng se tlameha ho qala semathi sa mohlala le ho leka mohlala ka ho etsisa limmitara tsa 'nete tsa seteishene sa matla a metsi holim'a bethe ea liteko tsa mochini oa haeteroliki.Haeba lintlha tsohle li finyella litlhoko tsa basebelisi, semathi se ka hlahisoa ka molao.Ka hona, bahlahisi ba bang ba lisebelisoa tsa matla a metsi a tsoang kantle ho naha ba na le libenche tse ngata tse phahameng tsa tlhahlobo ea metsi ho fihlela litlhoko tsa mesebetsi e fapaneng.Mohlala, k'hamphani ea neyrpic ea Fora e na le libenche tse hlano tse tsoetseng pele tsa tlhahlobo e phahameng ea boemo bo holimo;Hitachi le Toshiba ba na le litekanyo tsa liteko tse hlano tse nang le hlooho ea metsi e fetang 50m.Ho ea ka litlhoko tsa tlhahiso, setsi se seholo sa lipatlisiso tsa mechine ea motlakase se thehile bethe e phahameng ea metsi a hlahlobang hlooho e nang le mesebetsi e feletseng le e nepahetseng e phahameng, e ka khonang ho etsa liteko tsa mohlala ho tubular, phallo e tsoakiloeng, phallo ea axial le mechine e khutlisetsoang ea hydraulic ka ho latellana, le hlooho ea metsi e ka fihla ho 150m.Benche ea teko e ka ikamahanya le tlhahlobo ea mohlala ea lihlopha tse otlolohileng le tse holimo.Benche ea teko e entsoe ka liteishene tse peli A le B. ha seteishene se sebetsa, seteishene sa B se kenngoa, se ka khutsufatsang potoloho ea teko.A. B liteishene tse peli li arolelana sete e le 'ngoe ea sistimi ea taolo ea motlakase le sistimi ea liteko.Sistimi ea taolo ea motlakase e nka PROFIBUS joalo ka mantlha, NAIS fp10sh PLC e le molaoli ea ka sehloohong, mme IPC (khomphutha ea taolo ea indasteri) e hlokomela taolo e bohareng.Sistimi e amohela theknoloji ea fieldbus ho hlokomela mekhoa e tsoetseng pele ea taolo ea dijithale, e netefatsang ts'epo, polokeho le tlhokomelo e bonolo ea sistimi.Ke mokhoa oa ho laola mochini oa ho boloka metsi o nang le boiketsetso bo phahameng China.Sebopeho sa tsamaiso ea taolo
Benche ea tlhahlobo ea hlooho ea metsi e phahameng e na le li-motor tse peli tsa pompo tse nang le matla a 550KW le lebelo la 250 ~ 1100r / min, tse potlakisang phallo ea metsi pompong ho isa methareng ea hlooho ea metsi e hlokoang ke mosebelisi le ho boloka hlooho ea metsi e ntse e sebetsa. ka thelelo.Litekanyetso tsa semathi li behiloe leihlo ke dynamometer.Matla a motlakase oa dynamometer ke 500kW, lebelo le pakeng tsa 300 ~ 2300r / min, 'me ho na le dynamometer e le' ngoe liteisheneng tsa a le B. Molao-motheo oa benche ea liteko tsa mochine oa hydraulic o bontšoa ho Setšoantšo sa 1. Tsamaiso e hloka hore ho nepahala ha taolo ea makoloi ho ka tlase ho 0.5% mme MTBF e kholo ho feta lihora tse 5000.Kamora lipatlisiso tse ngata, sistimi ea taolo ea lebelo ea DCS500 DC e hlahisoang ke k'hamphani ea * * * ea khethoa.DCS500 e ka fumana litaelo tsa taolo ka litsela tse peli.E 'ngoe ke ho amohela matšoao a 4 ~ 20mA ho fihlela litlhoko tsa lebelo;Ea bobeli ke ho kenyelletsa mojule oa PROFIBUS DP ho amohela ka mokhoa oa dijithale ho fihlela litlhoko tsa lebelo.Mokhoa oa pele o na le taolo e bonolo le theko e tlaase, empa e tla khathatseha phetisong ea hona joale mme e ama ho nepahala ha taolo;Le hoja mokhoa oa bobeli o theko e boima, o ka netefatsa ho nepahala ha data le ho laola ho nepahala ha mokhoa oa phetisetso.Ka hona, sistimi e amohela li-DCS500 tse 'ne ho laola li-dynamometer tse peli le li-motor tse peli tsa pompo ea metsi ka ho latellana.E le PROFIBUS DP seteishene sa makhoba, lisebelisoa tse 'nè li buisana le setsi sa master sa PLC ka mokhoa oa master-slave.PLC e laola ho qala / ho emisa ha dynamometer le enjene ea pompo ea metsi, e fetisetsa lebelo la koloi ho DCS500 ka PROFIBUS DP, 'me e fumana boemo ba motlakase le liparamente ho tsoa ho DCS500.
PLC e khetha afp37911 module e hlahisoang ke NAIS Europe e le setsi se seholo, se tšehetsang liprothokholo tsa FMS le DP ka nako e le 'ngoe.Module ke seteishene se seholo sa FMS, se hlokomelang mokhoa o ka sehloohong oa puisano le IPC le tsamaiso ea ho fumana lintlha;Hape ke seteishene se seholo sa DP, se hlokomelang puisano ea master-lekhoba le DCS500.
Litekanyetso tsohle tsa dynamometer li tla bokelloa ebe li hlahisoa skrineng ka VXI Bus Technology (mekhahlelo e meng e tla bokelloa ke k'hamphani ea VXI).IPC e hokahana le sistimi ea ho fumana data ka FMS ho phethela puisano.Sebopeho sa tsamaiso eohle se bontšitsoe setšoantšong sa 2.
1.1 fieldbus PROFIBUS ke tekanyetso e entsoeng ke lik'hamphani tse 13 le litsi tse 5 tsa lipatlisiso tsa saense morerong o kopanetsoeng oa ntlafatso.E thathamisitsoe ho European standard en50170 mme ke e 'ngoe ea litekanyetso tsa liindasteri tsa fieldbus tse khothalletsoang Chaena.E kenyelletsa liforomo tse latelang:
PROFIBUS FMS e rarolla mesebetsi e akaretsang ea puisano boemong ba lithupelo, e fana ka litšebeletso tse ngata tsa puisano, 'me e phethela mesebetsi ea puisano ea cyclic le e seng ea cyclic ka lebelo le mahareng la phetisetso.Mojule oa Profibus oa NAIS o tšehetsa sekhahla sa puisano sa 1.2mbps mme ha se tšehetse mokhoa oa puisano oa cyclic.E ka buisana feela le liteishene tse ling tse kholo tsa FMS ka ho sebelisa MMA non cyclic data transmission master connection mme module ha e tsamaisane le FMS.Ka hona, e ke ke ea sebelisa mofuta o le mong feela oa PROFIBUS moralong oa morero.
PROFIBUS-DP optimized high-speed and cheap communication connection e etselitsoe puisano pakeng tsa tsamaiso ea othomathike ea ho laola le lisebelisoa tsa boemo ba I / O. Hobane DP le FMS li amohela mokhoa o tšoanang oa puisano, li ka phela hammoho karolong e le 'ngoe ea marang-rang.Pakeng tsa NAIS le a, msaz non cyclic data transmission master-slave connection seteishene sa makhoba ha se buisane ka mafolofolo.
PROFIBUS PA standard intrinsically safe transmission technology e etselitsoeng ka ho khetheha process automation e hlokomela mekhoa ea likhokahano e boletsoeng ho iec1158-2 bakeng sa liketsahalo tse nang le litlhoko tse phahameng tsa polokeho le liteishene tse tsamaisoang ke bese.Mokhoa oa phetisetso o sebelisoang mochining ke koporo e sirelelitsoeng e sothehileng ▄ protocol ea puisano ke RS485 mme sekhahla sa puisano ke 500kbps.Ts'ebeliso ea fieldbus ea indasteri e fana ka tiiso bakeng sa polokeho le ts'epahalo ea sistimi.
1.2 komporo ea taolo ea indasteri ea IPC
Khomphuta e kaholimo ea taolo ea indasteri e sebelisa komporo ea taolo ea indasteri ea Taiwan Advantech e tsamaisang sistimi ea ts'ebetso ea Windows NT4 0 WinCC industry configuration software ea Siemens company e sebelisoa ho bonts'a tlhahisoleseding ea boemo ba ts'ebetso ea tsamaiso skrineng se seholo, 'me ka mokhoa o hlakileng o emela phallo ea liphaephe le thibelo.Lintlha tsohle li fetisoa ho tsoa PLC ka PROFIBUS.IPC e na le karete ea marang-rang ea profiboard e hlahisoang ke k'hamphani ea Jeremane ea softing, e etselitsoeng PROFIBUS ka ho khetheha.Ka software ea tlhophiso e fanoeng ke ho nolofatsa, marang-rang a ka phethoa, kamano ea puisano ea marang-rang Cr (kamano ea puisano) le bukana ea mantsoe ea ntho OD (dikishinari ea ntho) e ka thehoa.WINCC e hlahisoa ke Siemens.E ts'ehetsa feela khokahano e tobileng le S5 / S7 PLC ea k'hamphani, 'me e khona ho buisana le li-PLC tse ling ka theknoloji ea DDE e fanoeng ke lifensetere.Khamphani ea Softing e fana ka software ea seva ea DDE ho hlokomela puisano ea PROFIBUS le WinCC.
1.3 PLC
Fp10sh ea k'hamphani ea NAIS e khethiloe e le PLC.
2 mesebetsi ea tsamaiso ea taolo
Ntle le ho laola li-motor tse peli tsa pompo ea metsi le li-dynamometer tse peli, sistimi ea taolo e boetse e hloka ho laola li-valve tsa motlakase tse 28, li-motor tse 4 tsa boima, li-motor tse 8 tsa pompo ea oli, li-motor tse 3 tsa pompo, li-motor tse 4 tsa pompo ea oli le li-valve tse 2 tsa lubrication solenoid.Tsela ea ho phalla le ho phalla ha metsi li laoloa ka ho fetola li-valve ho finyella litlhoko tsa tlhahlobo ea basebelisi.
2.1 hlooho e sa feleng
Fetola lebelo la pompo ea metsi: etsa hore e be e tsitsitseng ka boleng bo itseng, 'me hlooho ea metsi e tiile ka nako ena;Fetola lebelo la dynamometer ho boleng bo itseng, 'me u bokelle lintlha tse nepahetseng ka mor'a hore boemo ba ho sebetsa bo tsitsitse metsotso e 2 ~ 4.Nakong ea tlhahlobo, hoa hlokahala ho boloka hlooho ea metsi e sa fetohe.Code disk e behoa mochineng oa pompo ea metsi ho bokella lebelo la motlakase, e le hore DCS500 e thehe taolo e koetsoeng.Lebelo la pompo ea metsi le kenngoa ke keyboard ea IPC.
2.2 lebelo le tsitsitseng
Fetola lebelo la dynamometer ho etsa hore e tsitse ka boleng bo itseng.Ka nako ena, lebelo la dynamometer le lula le le teng;Fetola lebelo la pompo ho boleng bo itseng (ke hore, lokisa hlooho), 'me u bokelle lintlha tse nepahetseng ka mor'a hore boemo ba ho sebetsa bo tsitsitse metsotso e 2 ~ 4.DCS500 e etsa leqhubu le koetsoeng bakeng sa lebelo la dynamometer ho tsitsisa lebelo la dynamometer.
2.3 teko ea ho baleha
Fetola lebelo la dynamometer ho boleng bo itseng 'me u boloke lebelo la dynamometer le sa fetohe lokisa lebelo la pompo ea metsi ho etsa hore torque ea dynamometer e be haufi le zero (tlas'a boemo bona ba ho sebetsa, dynamometer e sebetsa bakeng sa ho hlahisa matla le ts'ebetso ea motlakase), le ho bokella lintlha tse nepahetseng.Nakong ea tlhahlobo, lebelo la pompo ea metsi lea hlokahala hore le lule le sa fetohe le ho fetoloa ke DCS500.
2.4 phallo calibration
Sistimi e na le litanka tse peli tsa tokiso ea phallo bakeng sa ho lekanya flowmeter ea sistimi.Pele u lekanya, qala ka ho tseba boleng ba phallo e tšoailoeng, ebe u qala mochini oa pompo ea metsi 'me u tsoele pele ho lokisa lebelo la pompo ea metsi.Ka nako ena, ela hloko boleng ba phallo.Ha boleng ba phallo bo fihla ho boleng bo hlokahalang, tsitsisa motlakase oa pompo ea metsi ka lebelo la hona joale (ka nako ena, metsi a potoloha phapeng ea calibration).Beha nako ea ho chencha ea deflector.Ka mor'a hore boemo ba ho sebetsa bo tsitsitse, bulela valve ea solenoid, qala nako, 'me u fetole metsi ka pompong ho ea tanka ea tokiso ka nako e le' ngoe.Ha nako ea nako e felile, valve ea solenoid e khaotsoe.Ka nako ena, metsi a fetisetsoa ho phaephe ea calibration hape.Fokotsa lebelo la enjene ea pompo ea metsi, e tsitsise ka lebelo le itseng, 'me u bale lintlha tse nepahetseng.Ebe u ntša metsi 'me u lekanye ntlha e latelang.
2.5 manual / othomathike e sa sitisoeng switching
E le ho thusa ho hlokomela le ho lokisa tsamaiso, keyboard e entsoeng ka letsoho e etselitsoe tsamaiso.Opareitara e ka laola ketso ea valve ka boikemelo ka keyboard, e sa hatelloeng ke ho koalloa.Sistimi e amohela module ea NAIS e hole ea I / O, e ka etsang hore keyboard e sebetse libakeng tse fapaneng.Nakong ea phetoho ea matsoho / ea othomathiki, boemo ba valve bo lula bo sa fetohe.
Tsamaiso e amohela PLC e le molaoli ea ka sehloohong, o nolofatsang tsamaiso le ho netefatsa ho tšepahala ho phahameng le tlhokomelo e bonolo ea tsamaiso;PROFIBUS e hlokomela phetisetso e felletseng ea data, e qoba tšitiso ea motlakase, mme e etsa hore sistimi e fihlelle litlhoko tse nepahetseng tsa moralo;Ho arolelana data pakeng tsa lisebelisoa tse fapaneng hoa phethahala;Ho tenyetseha ha PROFIBUS ho fana ka maemo a bonolo bakeng sa katoloso ea sistimi.Sekema sa moralo oa sistimi le li-fieldbus tsa indasteri kaha mantlha e tla ba tsona tse ka sehloohong ts'ebelisong ea indasteri.
Nako ea poso: Feb-17-2022
