Uma kuqhathaniswa nemikhiqizo yemishini evamile, amamotho anesakhiwo esifanayo semishini, kanye nezinqubo ezifanayo zokubunjwa, ukubumba, umshini, ukugxiviza nokuhlanganisa;
Kodwa umehluko usobala kakhulu.Injini ine-aIsakhiwo esikhethekile se-conductive, magnetic kanye ne-insulating, futhi inehlukileizinqubo ezifana nokubhoboza okuphakathi kwensimbi, ukukhiqiza ama-winding, ukudipha kanye nokuvala uphawu kwepulasitiki,okuyivelakancane emikhiqizweni evamile.
Inqubo yokukhiqiza injini ngokuyinhloko inezici ezilandelayo:
- Kunezinhlobo eziningi zomsebenzi, futhi inqubo ihilela ububanzi obuningi
- Kunemishini eminingi engajwayelekile kanye namathuluzi angajwayelekile,
- Kunezinhlobo eziningi zezinto zokukhiqiza;
- Izidingo eziphezulu zokunemba kwemishini;
- Inani lemisebenzi yezandla likhulu.
Uma ukwakheka kwegroove kungacocekile, kuzothinta ikhwalithi yemali eshumekiwe, i-burr inkulu kakhulu, ukunemba kwe-dimensional kanye nokuqina kwe-iron core kuzothinta ukungena nokulahlekelwa kazibuthe.
Ngakho-ke, ukuqinisekisa ikhwalithi yokukhiqiza yamashidi okubhoboza nama-iron cores kuyingxenye ebalulekile yokuthuthukisa ikhwalithi yemikhiqizo yezimoto.
Izinga lokubhoboza lihlobene nekhwalithi yei-punching die, ukwakheka, ukunemba kwemishini yokubhoboza, inqubo yokubhoboza, izakhiwo zemishini yezinto zokubhoboza, kanye nokuma nosayizi wepuleti lokubhoboza..
Ukunemba kosayizi wePunch
Kusukela kusici se-die, imvume enengqondo kanye nokunemba kokukhiqiza okuyizimo ezidingekayo zokuqinisekisa ukunemba kobukhulu bezingcezu zokubhoboza.
Uma kusetshenziswa i-punch ephindwe kabili, ukunemba kwe-dimensional kwengxenye yokusebenza kunqunywa ngokuyinhloko ukunemba kokukhiqiza kwe-punch, futhi akuhlangene nhlobo nesimo sokusebenza se-punch.
Ngokwezimo zobuchwepheshe, iumehluko wokunemba kobubanzi bezinyo le-stator awukho ngaphezu kuka-0.12mm, futhi umehluko ovumelekile wamazinyo ngamanye ngu-0.20mm.
glitch
Ukunciphisa ngokuyisisekelo i-burr, kuyadingeka ukulawula ngokuqinile igebe phakathi kwe-punch kanye nokufa ngesikhathi sokukhiqiza isikhunta;
Lapho ukufa kufakwe, kuyadingeka ukuqinisekisa ukuthi imvume kuzo zonke izinhlangothi ifana, futhi ukusebenza okujwayelekile kwefa kufanele kuqinisekiswe ngesikhathi sokubhoboza.Ubukhulu be-burr kufanele buhlolwe njalo, futhi unqenqema lokusika kufanele lulolwe ngesikhathi;
I-burr izodala ukujikeleza okufushane phakathi kwama-cores, ikhulise ukulahlekelwa kwensimbi nokukhuphuka kwezinga lokushisa.Lawula ngokuqinile i-iron core ukuze ufinyelele usayizi olingana ngokucindezela.Ngenxa yokuba khona kwama-burrs,inani lezingcezu zokubhoboza lizoncishiswa, libangele ukwanda kwamanje kanye nokusebenza kahle kwehle.
Uma i-burr emgodini we-rotor shaft inkulu kakhulu, ingabangela ukuncishiswa kosayizi wembobo noma i-ovality, okwenza kube nzima ukucindezela-ukufaka umgogodla wensimbi ku-shaft.Lapho i-burr idlula umkhawulo obekiwe, isikhunta kufanele silungiswe ngesikhathi.
Okungaphelele futhi kungcolile
Uma ukwelashwa kwe-insulation yeshidi lokubhoboza kungalungile noma ukuphathwa kungalungile, ungqimba lokufakelwa luzolimala ngemva kokucindezela, ukuze umgogodla wensimbi ulinganise futhi ukulahlekelwa kwamanje kwe-eddy kwanda.
Inkinga yekhwalithi yokucindezela kwe-iron core
Ngaphezu kwalokho, ubude obusebenzayo bomgogodla wensimbiinyuka, ukuze i-coefficient yokusabela kokuvuza inyuke, futhi ukusabela kokuvuza kwemoto kukhuphuke.
Amazinyo we-stator core spring avuleka ngaphezu kwevelu evumelekile
Isisindo se-stator core asanele
Isizathu sokuthi kungani isisindo esiyinhloko singanele:
- I-stator punching burr inkulu kakhulu;
- Ubukhulu beshidi lensimbi ye-silicon abulingani;
- Isiqephu sokubhoboza sigqwalile noma singcoliswe ukungcola;
- Uma ucindezela, ingcindezi ayanele ngenxa yokuvuza kwamafutha omshini wokunyathelisa we-hydraulic noma ezinye izizathu.I-stator core ayilingani
indilinga yangaphakathi engalingani
I-Groove wall notches ayilingani
Isizathu sokungalingani kwe-stator core yilezi:
- Izingcezu zokubhoboza azifakwanga ngokucindezela ngokulandelana;
- I-punch burr inkulu kakhulu;
- Ama-grooved rods abe mancane ngenxa yokukhiqizwa okungalungile noma ukuguga;
- Umbuthano wangaphakathi wethuluzi le-lamination awukwazi ukuqiniswa ngenxa yokugqoka umbuthano wangaphakathi we-stator core;
- I-stator punching slot ayilungile, njll.
I-stator iron core ayilingani futhi idinga ukufaka ama-grooves, okunciphisa ikhwalithi yemoto.Ukuze uvimbele i-stator iron core ekugayeni nasekufakeni, lezi zinyathelo ezilandelayo kufanele zithathwe:
- Thuthukisa ukunemba kokukhiqiza ukufa;
- Bona ukuzenzela komshini owodwa, ukuze ukulandelana kokushaya kustakiwe ngokulandelana, futhi ukulandelana kufakwa ngokucindezela ngokulandelana;
- Qinisekisa ukunemba kokusetshenziswa kwemishini yenqubo enjengesikhunta, imigoqo egobile kanye nezinye izinto zokusebenza zenqubo ezikhiqizwa ngesikhathi sokufakwa komshini we-stator core.
- Qinisa ukuhlolwa kwekhwalithi yenqubo ngayinye kunqubo yokushaya nokucindezela.
Izinga le-cast aluminium rotor lithinta ngqo izinkomba zobuchwepheshe nezomnotho kanye nokusebenza kokusebenza kwe-asynchronous motor.Lapho ufunda ikhwalithi ye-cast aluminium rotor, akudingekile kuphela ukuhlaziya ukukhubazeka kokuphonsa kwe-rotor, kodwa futhi.ukuqonda ikhwalithi ye-cast aluminium rotor ekusebenzeni kahle kwemoto kanye nesici samandla.Kanye nomthelela wokuqalisa nokusebenza okusebenzayo.
Ubudlelwano phakathi kwendlela yokukhipha i-aluminium kanye nekhwalithi ye-rotor
Lokhu kungenxa yokuthi ingcindezi eqinile ngesikhathi sokufa yenza i-cage bar kanye ne-iron core contact eduze kakhulu, futhi ngisho namanzi e-aluminium acindezela phakathi kwama-laminations, futhi ukwanda kwamanje kwe-lateral, okwandisa kakhulu ukulahlekelwa okwengeziwe kwe-motor.
Ngaphezu kwalokho, ngenxa yejubane elisheshayo lokucindezela kanye nokucindezela okukhulu ngesikhathi sokufa, umoya osemgodini awukwazi ukuqedwa ngokuphelele, futhi inani elikhulu legesi lisatshalaliswa kakhulu emigoqweni yekheji ye-rotor, izindandatho zokugcina, ama-fan blades, njll. ingxenyei-centrifugal cast aluminium incishisiwe (cishe ngo-8% ngaphansi kwaleyo ye-centrifugal cast aluminium).Iukumelana okumaphakathi kukhuphuka ngo-13%, okunciphisa kakhulu izinkomba eziyinhloko zezobuchwepheshe nezomnotho zemoto.Nakuba i-centrifugal cast aluminium rotor ithintwa yizici ezihlukahlukene, kulula ukukhiqiza amaphutha, kodwa Ukulahlekelwa okwengeziwe kuncane.
Lapho i-aluminium yokuphonsa ingcindezi ephansi, amanzi e-aluminium avela ngokuqondile ngaphakathi kwe-crucible, futhi athululelwa ngokucindezela okuphansi "okuhamba kancane", futhi ukukhishwa kungcono;lapho ibha yomhlahlandlela iqinisiwe, izindandatho ezingenhla nezingezansi zengezwa ngamanzi e-aluminium.Ngakho-ke, i-low pressure cast aluminium rotor ingeyekhwalithi enhle.
Kungabonakala ukuthi i-low-pressure cast aluminium rotor iyona engcono kakhulu ekusebenzeni kukagesi, ilandelwa yi-centrifugal cast aluminium, kanti i-pressure cast aluminium iyona embi kakhulu.
Ithonya le-rotor mass ekusebenzeni kwemoto
- I-rotor punching burr inkulu kakhulu;
- Ubukhulu beshidi lensimbi ye-silicon abulingani;
- I-rotor punch igqwalile noma ingcolile;
- Ingcindezi ngesikhathi sokufaka i-press-fitting incane (ingcindezi yokucindezela i-rotor core ngokuvamile ingu-2.5~.MPa) .
- Izinga lokushisa langaphambi kokushisa kwe-cast aluminium rotor core liphezulu kakhulu, isikhathi side kakhulu, futhi umgogodla ushiswe ngokujulile, okunciphisa ubude benetha bomgogodla.
Isisindo se-rotor core asanele, esilingana nokuncishiswa kobude be-net of the rotor core, okunciphisa indawo ephambanayo yamazinyo e-rotor kanye nokuminyanisa kwe-rotor, futhi kwandise ukuminyana kazibuthe.Imiphumela ekusebenzeni kwezimoto yilezi:
- I-excitation yamanje iyanda, isici samandla siyancipha, i-stator current ye-motor iyanda, ukulahlekelwa kwethusi kwe-rotor kuyanda,ukusebenza kahle kuyancipha, futhi ukunyuka kwezinga lokushisa kuyanda.
I-Rotor yanyakaza, i-slot slash ayiqondile
- I-rotor core ayibekwe nge-slot bar ngesikhathi sokucindezela, futhi udonga lwe-slot aluhlanzekile.
- Ukucaciswa phakathi kokhiye oblique ku-dummy shaft kanye nokhiye esiqeshini sokubhoboza kukhulu kakhulu;
- Ukucindezela ngesikhathi sokucindezela ukucindezela kuncane, futhi ngemva kokushisa, ama-burrs namafutha e-punching sheet ayashiswa, okwenza ishidi le-rotor likhululeke;
- Ngemuva kokuthi i-rotor ishisa ngaphambili, iphonswa futhi igoqwe phansi, futhi ucezu lwe-rotor punching lukhiqiza ukufuduka kwe-angular.
Amaphutha angenhla azonciphisa i-rotor slot, akhulise ukusabela kokuvuza kwe-rotor slot,ukunciphisa ingxenye yesiphambano se-bar, ukwandisa ukumelana kwebha, futhi ibe nemiphumela elandelayo ekusebenzeni kwemoto:
- I-torque ephezulu iyancipha, i-torque yokuqala iyancipha, ukusabela kwamanje ekulayisheni okugcwele kuyanda, futhi isici samandla sincishisiwe;
- I-stator ne-rotor currents iyanda, futhi ukulahlekelwa kwethusi kwe-stator kuyanda;
- Ukulahlekelwa kwe-rotor kuyanda, ukusebenza kahle kuncipha, izinga lokushisa liyakhula, futhi isilinganiso sokushelela sikhulu.
Ububanzi be-rotor chute bukhulu noma buncane kunevelu elivumelekile
Imiphumela ekusebenzeni kwezimoto yilezi:
- Uma ububanzi be-chute bukhulu kunevelu elivumelekile, ukusabela kokuvuza kwe-rotor chute kuzokhuphuka, futhi ukusabela okuphelele kokuvuza kwenjini kuzokwanda;
- Ubude bebha bukhuphuka, ukumelana kwebha kuyanda, futhi umthelela ekusebenzeni kwemoto kufana nangaphansi;
- Uma ububanzi be-chute buncane kunenani elivumelekile, ukusabela kokuvuza kwe-rotor chute kunciphisa, ukusabela okuphelele kokuvuza kwe-motor kuncipha, futhi ukwanda kwamanje kokuqala;
- Umsindo nokudlidliza kwenjini kukhulu.
Ibha yerotor ephukile
- I-rotor iron core ifakwe ngokucindezela kakhulu, futhi i-rotor iron core iyakhula ngemva kokuphonsa i-aluminium, futhi amandla okudonsa ngokweqile asetshenziswa emgqeni we-aluminium, ozophula umugqa we-aluminium.
- Ngemuva kokuphonsa i-aluminium, ukukhishwa kwesikhunta kusesekuseni kakhulu, amanzi e-aluminium awaqini kahle, futhi ibha ye-aluminium iphukile ngenxa yamandla okunwetshwa kwensimbi.
- Ngaphambi kokuphonsa i-aluminium, kukhona okufakiwe ku-rotor core groove.
I-winging iyinhliziyo yenjini, futhi isikhathi sayo sokuphila kanye nokuthembeka kokusebenza kuncike ikakhulukazi kwikhwalithi yokwakhiwa kwama-winding, isenzo sikazibuthe ngesikhathi sokusebenza, ukudlidliza kwemishini kanye nezici zemvelo;
Ukukhethwa kwezinto zokufaka i-insulating kanye nezakhiwo, ukukhubazeka kokufakwa kwe-insulation kanye nekhwalithi yokwelashwa kwe-insulation ngesikhathi senqubo yokukhiqiza, kuthinta ngqo ikhwalithi yokuvala,ngakho-ke kufanele kuqashelwe ukukhiqizwa okumazombezombe, ukwehla okumazombezombe kanye nokwelashwa kwe-insulation.
Iningi lezintambo zikazibuthe ezivame ukusetshenziswa kuma-motor windings ziyizintambo ezivalekile, ngakho-ke i-insulation yocingo iyadingeka ukuze ibe namandla anele okusebenza, amandla kagesi, ukumelana okuhle kwe-solvent, ukumelana nokushisa okuphezulu, kanye nokuncipha kokufakwa, kuba ngcono.
I-Insulation Materials
- Amandla e-Dielectric
- Ukumelana nokufakwa kwe-insulation KV/mm MΩ isilinganiso se-voltage esetshenzisiwe yezinto ezivikelayo/ukuvuza kwamanje kwempahla yokuvikela;
- I-dielectric constant, amandla ekhono lokugcina amashaji e-electrostatic;
- Ukulahleka kwe-Dielectric, ukulahlekelwa kwamandla ezindaweni ezishintshayo kazibuthe;
- Ukumelana ne-Corona, ukumelana ne-arc nokusebenza komkhondo wokulwa nokuvuza.
Izakhiwo zemishini
Izakhiwo zomzimba namakhemikhali
Ukuhlolwa kwekhwalithi yamakhoyili
Ukuhlolwa kokubukeka
- Ubukhulu kanye nokucaciswa kwezinto ezisetshenziselwa ukuhlolwa kuzohambisana nemidwebo kanye namazinga obuchwepheshe.
- I-pitch yama-windings kufanele ihlangabezane nezidingo zemidwebo, ukuxhumana phakathi kwama-windings kufanele kube okulungile, ingxenye eqondile kufanele iqonde futhi icoceke, iziphetho akufanele ziwele ngokungathí sina, futhi ukwakheka kwe-insulation ekugcineni kufanele kuhlangane. imithethonqubo.
- I-slot wedge kufanele ibe nokuqina okwanele, futhi uhlole ngebhalansi yasentwasahlobo uma kunesidingo.Akufanele kube khona ukuqhekeka ekugcineni.I-slot wedge akufanele ibe phezulu kunendilinga yangaphakathi ye-iron core.
- Sebenzisa isifanekiso ukuze uhlole ukuthi umumo nosayizi wesiphetho esisongayo kufanele uhlangabezane nezidingo zomdwebo, futhi ukubophezela kokuphela kufanele kuqine.
- Zombili iziphetho ze-slot insulation ziphukile futhi zilungiswa, okufanele zithembeke.Kumamotho anezikhala ezingaphansi kuka-36, akumele eqe izindawo ezintathu futhi akumele aphuke ashone phakathi.
- Ukumelana ne-DC kuvumela ±4%
Melana nokuhlolwa kwe-voltage
I-voltage yokuhlola i-AC, imvamisa ingu-50Hz kanye ne-sine waveform yangempela.Ekuhlolweni kwefekthri, inani elisebenzayo le-voltage yokuhlola ngu-1260V(uma i-P2<1KW)noma 1760V(uma i-P2≥1KW);
Lapho ukuhlolwa kwenziwa ngemuva kokushumeka ucingo, inani elisebenzayo le-voltage yokuhlola ngu-1760V.(P2<1KW)noma 2260V(P2≥1KW).
I-stator winding kufanele ikwazi ukumelana ne-voltage engenhla i-1min ngaphandle kokwephulwa.
Ukuhlolwa Kwekhwalithi Yokwelashwa Kwe-Winding Insulation
Ukumelana nomswakama wama-windings
Izici ezishisayo nezishisayo zama-windings
Izici zemishini yama-windings
Ukuzinza kwamakhemikhali kwama-windings
Ngemuva kokwelashwa okukhethekile kokufakelwa, kungenza futhi i-anti-mildew evunguzayo, i-anti-corona kanye nokungcola okulwa nowoyela, ukuze kuthuthukiswe ukuzinza kwamakhemikhali kokusonga.
Izici zomhlangano wezimoto zinqunywa ikakhulukazi izidingo zokusetshenziswa nezici zesakhiwo, ikakhulukazi ezihlanganisa:
Zonke izingxenye kufanele zishintshe
Umnyango Wezwe Ofanele: Ngokuvumelana kokufana kwezinhlobo ezahlukahlukene zamamotho nezinhlobo ezithile zamamotho, amanye amazinga ajwayelekile akhiwe.Ngokwezidingo ezikhethekile zochungechunge oluthile noma uhlobo oluthile, izinga liyakhiwa.
Ibhizinisi ngalinye lizokwakha imithetho yokusetshenziswa evamile ngokuya ngesimo salo ukuze lisungule amazinga omkhiqizo okhethekile webhizinisi.
Phakathi kwamazinga kuwo wonke amazinga, ikakhulukazi izinga likazwelonke, kunamazinga ayimpoqo, amazinga anconyiwe kanye nezindinganiso eziqondisayo.
Ukwakhiwa kwenombolo ejwayelekile
Ingxenye yesibili: Isibonelo, i-GB755 iyindinganiso kazwelonke enguNombolo 755, futhi inombolo ye-serial esezingeni laleli zinga imelwe izinombolo zesi-Arabhu.
Ingxenye yesithathu: yebo - hlukana nengxenye yesibili futhi usebenzise izinombolo zesi-Arabhu ukukhombisa unyaka wokuqalisa.
Izinga okufanele umkhiqizo uhlangabezane nazo (ingxenye evamile)
- I-GB/T755-2000 Isilinganiso Semoto Kagesi Ezungezayo kanye nokusebenza
- I-GB/T12350—2000 Izidingo zokuphepha zamamotho anamandla aphansi
- I-GB/T9651—1998 Indlela yokuhlola ye-unidirectional stepping motor
- I-JB/J4270-2002 Izimo zobuchwepheshe ezijwayelekile zamamotho angaphakathi ama-air conditioners ekamelo.
indinganiso ekhethekile
- I-GB/T10069.1-2004 Izindlela Zokunquma Umsindo Nemikhawulo Yemishini Kagesi Ezungezayo, Izindlela Zokunquma Umsindo
- I-GB/T12665-1990 Izidingo zokuhlola ukushisa okumanzi zamamotho asetshenziswa ezindaweni ezijwayelekile
Ngokuvamile, injini iwumkhiqizo okhokhela lokho okukhokhelayo.Ikhwalithi yemoto enomehluko omkhulu wamanani nakanjani izohluka.Kuncike kakhulu ekutheni izinga nentengo yemoto ingahlangabezana yini nezidingo zokusetshenziswa kwekhasimende.Ifanele amasegimenti emakethe ahlukene.
Isikhathi sokuthumela: Jun-24-2022