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 leha e le sefe se tlameha ho qala ka ho hlahisa semathi sa mohlala le ho leka mohlala ka ho etsisa li-meter tsa 'nete tsa seteishene sa motlakase oa metsi holim'a bethe ea tlhahlobo ea mochini oa hydraulic. 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 'maloa 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 liemahale tse hlano tsa liteko 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 ea tlhahlobo ea hlooho e nang le mesebetsi e feletseng le ho nepahala ho phahameng, e ka etsang liteko tsa mohlala ho tubular, phallo e tsoakiloeng, phallo ea axial le mechine e khutlisetsang metsi a hydraulic ka ho latellana, 'me 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 sistimi ea tlhahlobo ea mochini o bolokang metsi e 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 lebelo la 250 ~ 1100r / min, tse potlakisang phallo ea metsi pompong ho ea ho limithara tsa hlooho ea metsi tse hlokoang ke mosebelisi le ho boloka hlooho ea metsi e sebetsa hantle. 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 e phahameng ea hlooho ea hydraulic mochine oa teko e bontšoa ho Setšoantšo sa 1. Tsamaiso e hloka hore ho nepahala ha taolo ea motlakase ho ka tlase ho 0.000 ho feta lihora tse 500 ho feta MTBF. 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 nka tse 'ne tsa DCS500 ho laola li-dynamometer tse peli le li-motor tse peli tsa pompo ea metsi ka ho latellana. Joalo ka seteishene sa makhoba sa PROFIBUS DP, lisebelisoa tse 'ne 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 data; Hape ke seteishene se seholo sa DP, se hlokomelang puisano ea master-lekhoba le DCS500.
Likarolo 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 likhokahanyo boemong ba lithupelo, e fana ka litšebeletso tse ngata tsa puisano, 'me e phethela mesebetsi ea puisano ea cyclic le eo 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 tsamaellane le FMS. Ka hona, e ke ke ea sebelisa mofuta o le mong feela oa PROFIBUS moralong oa morero.
PROFIBUS-DP khokahanyo e ntlafalitsoeng ea lebelo le holimo le theko e tlase e etselitsoe puisano lipakeng tsa sistimi ea taolo ea othomathiki le boemo ba lisebelisoa tse arotsoeng I / O. Hobane DP le FMS li amohela protocol e ts'oanang ea 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 thekenoloji e tlwaelehileng e bolokehileng ka ho fetisisa e hlametsweng ka ho kgethehileng tshebetso e itirisang e hlokomela mekgwa ya puisano e boletsweng ho iec1158-2 bakeng sa diketsahalo tse nang le ditlhoko tse phahameng tsa polokeho le diteishene 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. Tšebeliso ea fieldbus ea indasteri e fana ka tiiso bakeng sa polokeho le botšepehi ba tsamaiso.
1.2 komporo ea taolo ea indasteri ea IPC
K'homphieutha e ka holimo ea taolo ea liindasteri e sebelisa k'homphieutha ea taolo ea indasteri ea Taiwan Advantech e tsamaisang sistimi ea ts'ebetso ea Windows NT4 0 WinCC industrial 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 ho thibeloa. 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, mme e ka 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 peli 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 e hlahisoang ke 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 mochini oa 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 phaepheng 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 pipeline ho tanka ea ho lokisa 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 ho feto-fetoha ho sa sebetseng ka letsoho / ka mokhoa o itekanetseng
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 kenella. 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 tiisa hore ho tšepahala ho phahameng le ho hlokomeloa habonolo ha 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 fieldbus ea indasteri kaha mantlha e tla ba eona e ka sehloohong ts'ebelisong ea indasteri.
Nako ea poso: Feb-17-2022
