Ibhentshi yokuvavanya imodeli ye-hydraulic turbine idlala indima ebalulekileyo kuphuhliso lobuchwepheshe bombane wamanzi.Sisixhobo esibalulekileyo sokuphucula umgangatho weemveliso zombane wamanzi kunye nokwandisa ukusebenza kweeyunithi.Ukuveliswa kwayo nayiphi na imbaleki kufuneka kuqala kuphuhlise imodeli yembaleki kwaye ivavanye imodeli ngokulinganisa eyona mitha yentloko yesikhululo sombane oqhutywa ngamanzi kwintloko ephezulu yovavanyo lomatshini wokwenza ulwelo olumanzi.Ukuba yonke idatha ihlangabezana neemfuno zabasebenzisi, umgijimi unokuveliswa ngokusemthethweni.Ke ngoko, abanye abavelisi bezixhobo zombane wamanzi angaphandle baneebhentshi ezininzi zovavanyo lwentloko yamanzi ukuze bahlangabezane neemfuno zemisebenzi eyahlukeneyo.Umzekelo, inkampani ye-neyrpic yaseFransi ineebhentshi zokuvavanya ezichanekileyo ezintlanu eziphambili;U-Hitachi kunye no-Toshiba banemigangatho emihlanu yokuvavanya imodeli enentloko yamanzi engaphezulu kwe-50m.Ngokweemfuno zemveliso, iziko elikhulu lophando ngoomatshini bombane lenze ibhedi yovavanyo lwentloko yamanzi ephezulu enemisebenzi epheleleyo kunye nokuchaneka okuphezulu, enokuqhuba iimvavanyo zemodeli kwi-tubular, ukuhamba okuxubeneyo, ukuhamba kwe-axial kunye noomatshini abaguqukayo behydraulic ngokulandelelana, kunye intloko yamanzi inokufikelela kwi-150m.Ibhentshi yokuvavanya inokulungelelaniswa novavanyo lwemodeli yeeyunithi ezithe nkqo kunye nezithe tye.Ibhentshi yokuvavanya yenzelwe izikhululo ezibini ze-a kunye ne-B. xa isikhululo sisebenza, isitishi B sifakwe, esinokunciphisa umjikelo wovavanyo.A. B izikhululo ezibini zabelana ngeseti enye yenkqubo yokulawula umbane kunye nenkqubo yovavanyo.Inkqubo yokulawula umbane ithatha i-PROFIBUS njengengundoqo, i-NAIS fp10sh PLC njengomlawuli oyintloko, kunye ne-IPC (ikhompyutheni yokulawula imboni) iqonda ulawulo oluphakathi.Inkqubo ithatha itekhnoloji ye-fieldbus ukuqonda phambili yonke indlela yokulawula idijithali, eqinisekisa ukuthembeka, ukhuseleko kunye nokugcinwa lula kwenkqubo.Yinkqubo yokuhlola umatshini wogcino lwamanzi ngeqondo eliphezulu lokuzisebenzela eTshayina.Ukuqulunqwa kwenkqubo yolawulo
Ibhentshi yokuvavanya intloko yamanzi aphezulu iqulethe iimotor ezimbini zempompo ezinamandla angama-550KW kunye noluhlu lwesantya se-250 ~ 1100r / min, olukhawulezisa ukuhamba kwamanzi kumbhobho ukuya kwiimitha zentloko zamanzi ezifunwa ngumsebenzisi kwaye zigcine intloko yamanzi isebenza. kakuhle.Iiparamitha zomgijimi zijongwa yi-dynamometer.Amandla ombane we-dynamometer yi-500kW, isantya siphakathi kwe-300 ~ 2300r / min, kwaye kukho i-dynamometer enye kwizikhululo ze-a kunye ne-B. Umgaqo webhentshi yokuvavanya umatshini we-hydraulic ephezulu uboniswe kuMfanekiso 1. ukuchaneka kokulawulwa kwemoto kungaphantsi kwe-0.5% kwaye i-MTBF inkulu kuneeyure ezingama-5000.Emva kophando oluninzi, inkqubo yolawulo lwesantya yeDCS500 eveliswe yinkampani * * * ikhethiwe.I-DCS500 inokufumana imiyalelo yolawulo ngeendlela ezimbini.Enye kukufumana imiqondiso eyi-4 ~ 20mA ukuhlangabezana neemfuno zesantya;Okwesibini kukongeza imodyuli yePROFIBUS DP ukufumana kwimodi yedijithali ukuhlangabezana neemfuno zesantya.Indlela yokuqala inokulawula okulula kunye nexabiso eliphantsi, kodwa iya kuphazamiseka ekuhanjisweni kwangoku kwaye ichaphazele ukuchaneka kokulawula;Nangona indlela yesibini iyabiza, inokuqinisekisa ukuchaneka kwedatha kunye nokulawula ukuchaneka kwindlela yokudlulisa.Ke ngoko, inkqubo ithatha ezine DCS500 ukulawula dynamometers ezimbini kunye neemotor impompo yamanzi ezimbini ngokulandelelanayo.NjengePROFIBUS DP isikhululo samakhoboka, ezi zixhobo zine zinxibelelana ne-master station PLC kwimowudi yobukhoboka.I-PLC ilawula ukuqala / ukumisa kwe-dynamometer kunye ne-motor yempompo yamanzi, ihambisa i-motor egijima isantya ukuya kwi-DCS500 nge-PROFIBUS DP, kwaye ifumana i-motor running state kunye neeparameters kwi-DCS500.
I-PLC ikhetha imodyuli ye-afp37911 eveliswe yi-NAIS yaseYurophu njengesikhululo esikhulu, esixhasa i-FMS kunye ne-DP protocol ngexesha elifanayo.Imodyuli yisikhululo esikhulu se-FMS, esiqonda indlela yonxibelelwano oluphambili kunye ne-IPC kunye nenkqubo yokufumana idatha;Ikwayi-DP master station, eqonda unxibelelwano lwe-master-slave kunye ne-DCS500.
Zonke iiparameters ze-dynamometer ziya kuqokelelwa kwaye ziboniswe kwisikrini nge-VXI Bus Technology (ezinye iiparameters ziya kuqokelelwa yinkampani yeVXI).I-IPC idibanisa nenkqubo yokufumana idatha ngeFMS ukugqiba unxibelelwano.Ukubunjwa kwenkqubo yonke kuboniswe kuMfanekiso 2.
I-1.1 i-fieldbus i-PROFIBUS ngumgangatho owenziwe ziinkampani ze-13 kunye namaziko ophando lwezenzululwazi ezi-5 kwiprojekthi yophuhliso edibeneyo.Idweliswe kumgangatho waseYurophu en50170 kwaye yenye yemigangatho ye-industrial fieldbus ecetyiswayo e-China.Ibandakanya ezi fomu zilandelayo:
I-PROFIBUS FMS isombulula imisebenzi yonxibelelwano ngokubanzi kwinqanaba leworkshop, ibonelela ngenani elikhulu leenkonzo zonxibelelwano, kwaye igqibezela imisebenzi yonxibelelwano yomjikelo kunye nengeyobhayisekile ngesantya esiphakathi sothumelo.Imodyuli ye-Profibus ye-NAIS isekela izinga lonxibelelwano lwe-1.2mbps kwaye ayixhasi imo yonxibelelwano ye-cyclic.Inokunxibelelana kuphela nezinye izikhululo eziphambili zeFMS ngokusebenzisa iMMA non cyclic data transmission master connection kwaye imodyuli ayihambelani neFMS.Ke ngoko, ayinakusebenzisa kuphela uhlobo olunye lwePROFIBUS kuyilo lwesikimu.
I-PROFIBUS-DP uqhagamshelwano olukhawulezayo oluphezulu nolufikelelekayo lonxibelelwano luyilelwe unxibelelwano phakathi kwenkqubo yolawulo oluzenzekelayo kunye nenqanaba lezixhobo ezinatyiselwe kwi-I / O.Phakathi kwe-NAIS kunye ne-a, msaz non-cyclic data transmission
·PROFIBUS PA ▄ umgangatho wothumelo olukhuselekileyo lwangaphakathi oluyilelwe ngokukodwa inkqubo yokuzenzela ▄ iqonda iinkqubo zonxibelelwano ezichazwe ku-IEc1158-2 ▄ ngamaxesha aneemfuno zokhuseleko oluphezulu kunye nezikhululo eziqhutywa yibhasi.Indlela yothumelo esetyenziswa kwinkqubo lubhedu olukhuselweyo olujijekileyo ▄ inkqubo yonxibelelwano yi-RS485 kunye nezinga lonxibelelwano yi-500kbps.Ukusetyenziswa kwe-industrial fieldbus kunika isiqinisekiso sokhuseleko kunye nokuthembeka kwenkqubo.
1.2 IPC ikhompyutha yokulawula ishishini
Ikhompyutha yolawulo lwemizi-mveliso ephezulu yamkela iTaiwan Advantech ikhompyutha yolawulo lwamashishini eqhuba iWindows NT4 0 inkqubo yokusebenza yendawo yokusebenza WinCC isoftware yoqwalaselo lweshishini yenkampani yeSiemens isetyenziselwa ukubonisa ulwazi lwemeko yokusebenza yenkqubo kwiscreen esikhulu, kwaye imele umzobo wokuqukuqela kwemibhobho. ukuvaleka.Yonke idatha ithunyelwa kwi-PLC nge-PROFIBUS.I-IPC ifakwe ngaphakathi ngekhadi lenethiwekhi ye-profiboard eveliswe yinkampani yaseJamani yokuthambisa, eyenzelwe ngokukodwa i-PROFIBUS.Ngokusebenzisa isoftware yoqwalaselo ebonelelwa ngokuthambisa, uthungelwano lunokugqityezelwa, ubudlelwane bonxibelelwano lwenethiwekhi Cr (unxibelelwano lonxibelelwano) kunye nesichazi-magama sento iOD (isichazi-magama sento) inokusekwa.I-WINCC iveliswa nguSiemens.Ixhasa kuphela uqhagamshelo oluthe ngqo kunye ne-S5 / S7 PLC yenkampani, kwaye inokunxibelelana kuphela nezinye ii-PLC ngetekhnoloji ye-DDE ebonelelwa ngeefestile.Inkampani ethambileyo ibonelela ngesoftware yeseva ye-DDE ukuqonda unxibelelwano lwePROFIBUS kunye neWinCC.
1.3 PLC
I-Fp10sh yenkampani ye-NAIS ikhethwe njenge-PLC.
Imisebenzi ye-2 yenkqubo yokulawula
Ukongeza ekulawuleni iimotor ezimbini zempompo zamanzi kunye ne-dynamometers ezimbini, inkqubo yokulawula ifuna ukulawula iivalve zombane ezingama-28, ii-motor ezi-4 zobunzima, ii-motor ezi-8 zempompo yeoli, ii-motor ezi-3 zempompo, ii-motor ezi-4 zokupompoza i-oyile kunye ne-2 i-lubrication solenoid valves.Indlela yokuhamba kunye nokuhamba kwamanzi kulawulwa ngokutshintsha kweevalvu ukuhlangabezana neemfuno zovavanyo lwabasebenzisi.
2.1 intloko rhoqo
Lungisa isantya sempompo yamanzi: yenza ukuba izinzile kwixabiso elithile, kwaye intloko yamanzi iqinisekile ngeli xesha;Lungisa isantya se-dynamometer kwixabiso elithile, kwaye uqokelele idatha efanelekileyo emva kokuba imeko yokusebenza izinzile kwi-2 ~ 4 imizuzu.Ngethuba lovavanyo, kuyafuneka ukugcina intloko yamanzi ingatshintshi.Idisk yekhowudi ifakwe kwi-motor yepompo yamanzi ukuqokelela isantya semoto, ukuze i-DCS500 yenze ulawulo oluvaliweyo.Isantya sempompo yamanzi sifakwe yi-IPC keyboard.
2.2 isantya esingaguqukiyo
Lungisa isantya se-dynamometer ukuze uzinze kwixabiso elithile.Ngeli xesha, isantya se-dynamometer sihlala sihlala;Lungisa isantya sempompo kwixabiso elithile (oko kukuthi lungisa intloko), kwaye uqokelele idatha efanelekileyo emva kokuba imeko yokusebenza izinzile kwi-2 ~ 4 imizuzu.I-DCS500 yenza i-loop evaliweyo yesantya se-dynamometer ukuzinzisa isantya se-dynamometer.
2.3 Uvavanyo lokubaleka
Lungisa isantya se-dynamometer kwixabiso elithile kwaye ugcine isantya se-dynamometer singatshintshanga lungisa isantya sempompo yamanzi ukwenza i-torque ye-dynamometer isondele kwi-zero (phantsi kwale meko yokusebenza, i-dynamometer isebenzela ukuveliswa kwamandla kunye ukusebenza kombane), kwaye uqokelele idatha efanelekileyo.Ngexesha lovavanyo, isantya sempompo yamanzi siyafuneka ukuba sihlale singatshintshi kwaye sihlengahlengiswe yi-DCS500.
2.4 ulungelelwaniso lokuhamba
Inkqubo ixhotyiswe ngamatanki amabini okulungisa ukuqukuqela ukulinganisa i-flowmeter kwisistim.Phambi kokulungelelaniswa, jonga kuqala ixabiso lokuhamba eliphawulweyo, emva koko uqalise injini yempompo yamanzi kwaye ngokuqhubekayo uhlengahlengise isantya sempompo yamanzi.Ngeli xesha, nikela ingqalelo kwixabiso lokuhamba.Xa ixabiso lokuhamba lifikelela kwixabiso elifunekayo, zinzisa i-motor yepompo yamanzi kwisantya samanje (ngeli xesha, amanzi ajikeleza kumbhobho wokulinganisa).Cwangcisa ixesha lokutshintsha kwe-deflector.Emva kokuba imeko yokusebenza izinzile, vula i-valve ye-solenoid, qalisa ixesha, kwaye utshintshe amanzi kumbhobho kwitanki yokulungisa ngexesha elifanayo.Xa ixesha lexesha liphelile, ivalve ye-solenoid iyanqanyulwa.Ngeli xesha, amanzi atshintshelwa kumbhobho wokulinganisa kwakhona.Nciphisa isantya semoto yempompo yamanzi, uzinzise kwisantya esithile, kwaye ufunde idatha efanelekileyo.Emva koko khupha amanzi kwaye ulungelelanise inqaku elilandelayo.
2.5 Ukutshintsha okuzenzekelayo okungaphazanyiswa
Ukuze kube lula ukugcinwa kunye nokulungiswa kwenkqubo, ikhibhodi ye-manual yenzelwe inkqubo.Umsebenzisi unokulawula isenzo sevalve ngokuzimeleyo ngebhodibhodi, enganyanzelwanga ngokuvala.Inkqubo ithatha imodyuli ye-NAIS ekude ye-I / O, enokwenza ukuba ikhibhodi isebenze kwiindawo ezahlukeneyo.Ngexesha lokutshintsha kwe-manual / ngokuzenzekelayo, i-valve state ihlala ingatshintshi.
Inkqubo ithatha i-PLC njengomlawuli oyintloko, eyenza inkqubo ibe lula kwaye iqinisekise ukuthembeka okuphezulu kunye nokugcinwa lula kwenkqubo;I-PROFIBUS iqonda ukuhanjiswa kwedatha epheleleyo, inqanda ukuphazamiseka kwe-electromagnetic, kwaye yenza inkqubo ihlangabezane neemfuno ezichanekileyo zoyilo;Ukwabelana ngedatha phakathi kwezixhobo ezahlukeneyo kuyenziwa;Ukuguquguquka kwe-PROFIBUS kubonelela ngeemeko ezifanelekileyo zokwandiswa kwenkqubo.Iskimu soyilo lwenkqubo kunye ne-industrial fieldbus njengoko ingundoqo iya kuba yeyona nto isetyenziswayo kwimizi-mveliso.
Ixesha lokuposa: Feb-17-2022
