Izinto ezithinta ukusetshenziswa kwensimbi okuyisisekelo
Ukuze sihlaziye inkinga, okokuqala kudingeka sazi izinkolelo-mbono eziyisisekelo, ezizosisiza ukuba siqonde.Okokuqala, sidinga ukwazi imiqondo emibili.Enye i-alternating magnetization, okuthi, uma siyibeke kalula, ivela engxenyeni yensimbi ye-transformer nakumazinyo e-stator noma e-rotor enjini;Enye i-rotational magnetization property, ekhiqizwa yi-stator noma ijoka le-rotor lenjini.Kunezihloko eziningi eziqala kusuka kumaphuzu amabili futhi zibala ukulahlekelwa kwensimbi ye-motor ngokusekelwe ezicini ezihlukahlukene ngokusho kwendlela yesixazululo engenhla.Ukuhlola kubonise ukuthi amashidi ensimbi ye-silicon abonisa lezi zenzakalo ezilandelayo ngaphansi kwe-magnetization yezakhiwo ezimbili:
Lapho ubukhulu be-magnetic flux bungaphansi kwe-1.7 Tesla, ukulahlekelwa kwe-hysteresis okubangelwa ukuzungeza kazibuthe kukhulu kunalokho okubangelwa ukushintshana kwamagnetization;Uma iphakeme kune-1.7 Tesla, okuphambene kuyiqiniso.Ubuningi be-magnetic flux yejoka lemoto ngokuvamile buphakathi kuka-1.0 no-1.5 Tesla, futhi ukulahlekelwa kwe-hysteresis yamagnetization okuhambisanayo cishe ku-45 kuya ku-65% okukhulu kunokulahlekelwa kwe-magnetization hysteresis.
Yebo, iziphetho ezingenhla nazo ziyasetshenziswa, futhi angikaziqinisekisanga ngokwami ekusebenzeni.Ngaphezu kwalokho, lapho insimu kazibuthe ku-iron core ishintsha, i-current ingena kuyo, ebizwa ngokuthi i-eddy current, futhi ukulahlekelwa okubangelwa yiyo kubizwa ngokuthi ukulahlekelwa kwamanje kwe-eddy.Ukuze kuncishiswe ukulahleka kwamanje kwe-eddy, umgogodla wensimbi ngokuvamile awukwazi ukwenziwa ibhulokhi yonke, futhi upakishwa nge-axially ngamashidi ensimbi afakwe intulation ukuze avimbe ukugeleza kwama-eddy currents.Ifomula yokubala ethile yokusebenzisa insimbi ngeke ibe nzima lapha.Ifomula eyisisekelo nokubaluleka kokubala kokusetshenziswa kwensimbi ye-Baidu kuzocaca kakhulu.Okulandelayo ukuhlaziya izici ezimbalwa ezibalulekile ezithinta ukusetshenziswa kwethu kwe-ayoni, ukuze wonke umuntu akwazi ukuyisa phambili noma ahlehle inkinga ekusetshenzisweni kobunjiniyela obungokoqobo.
Ngemva kokuxoxa ngalokhu okungenhla, kungani ukukhiqizwa kwezitembu kuthinta ukusetshenziswa kwensimbi?Izici zenqubo yokubhoboza ngokuyinhloko zincike ekubunjweni okuhlukene kwemishini yokubhoboza, futhi inqume imodi yokugunda ehambisanayo nezinga lokucindezeleka ngokuvumelana nezidingo zezinhlobo ezahlukene zemigodi nemigodi, ngaleyo ndlela kuqinisekiswe izimo zezindawo zokucindezeleka ezingajulile ezizungeze umngcele we-lamination.Ngenxa yobudlelwane phakathi kokujula nokuma, kuvame ukuthintwa ama-engeli abukhali, kuze kufike izinga lapho amazinga okucindezeleka aphezulu angabangela ukulahlekelwa kwensimbi okuphawulekayo ezindaweni zokucindezeleka ezingajulile, ikakhulukazi emaphethelweni amade okugunda ngaphakathi kwebanga le-lamination.Ikakhulukazi, kwenzeka kakhulu endaweni ye-alveolar, evame ukugxila ocwaningweni enqubweni yangempela yocwaningo.Amashidi ensimbi e-silicon alahlekelwa kancane avame ukunqunywa amasayizi amakhulu okusanhlamvu.Umthelela ungabangela ama-burrs okwenziwa kanye nokucweba okudabukileyo emaphethelweni angaphansi eshidi, futhi i-engeli yomthelela ingaba nomthelela omkhulu kusayizi wama-burrs nezindawo eziwohlokayo.Uma indawo yengcindezi ephezulu idlulela endaweni yokuguquguquka yonqenqema iye ngaphakathi kwento esetshenziswayo, ukwakheka okusanhlamvu kulezi zindawo nakanjani kuzobhekana nezinguquko ezihambisanayo, kusonteke noma kuphuke, futhi ukunwebeka ngokwedlulele komngcele kuzokwenzeka eduze nendawo yokudabula.Ngalesi sikhathi, ukuminyana komngcele wokusanhlamvu endaweni yokucindezeleka endaweni yokugunda kuzokwanda nakanjani, okuholela ekwandeni okuhambisanayo kokulahlekelwa kwensimbi ngaphakathi kwesifunda.Ngakho-ke, kuleli phuzu, izinto ezisendaweni yokucindezeleka zingabhekwa njengento yokulahlekelwa okuphezulu ewela phezu kwe-lamination evamile eduze komthelela onqenqemeni.Ngale ndlela, ukungaguquguquki kwangempela kwento enqenqemeni kunganqunywa, futhi ukulahlekelwa kwangempela konqenqema lomthelela kunganqunywa ngokuqhubekayo kusetshenziswa imodeli yokulahlekelwa kwensimbi.
1.Umthelela Wenqubo Yokunamathisela Ekulahlekeni Kwensimbi
Izimo zethonya lokulahlekelwa kwensimbi zikhona ikakhulukazi esicini samashidi ensimbi ye-silicon, futhi ukucindezeleka komshini nokokushisa kuzothinta amashidi ensimbi ye-silicon ngezinguquko ezicini zawo zangempela.Ukucindezeleka okwengeziwe kwemishini kuzoholela ekushintsheni ekulahlekelweni kwensimbi.Ngesikhathi esifanayo, ukwanda okuqhubekayo kokushisa kwangaphakathi kwemoto kuzophinde kukhuthaze ukuvela kwezinkinga zokulahlekelwa kwensimbi.Ukuthatha izinyathelo ezisebenzayo zokudonsa ukuze kususwe ingcindezi eyengeziwe yomshini kuzoba nomthelela omuhle ekwehliseni ukulahleka kwensimbi ngaphakathi kwenjini.
2.Izizathu zokulahlekelwa ngokweqile ezinqubweni zokukhiqiza
Amashidi ensimbi ye-silicon, njengezinto eziyinhloko kazibuthe zamamotho, anomthelela omkhulu ekusebenzeni kwenjini ngenxa yokuhambisana nezidingo zokuklama.Ukwengeza, ukusebenza kwamashidi ensimbi ye-silicon yebanga elifanayo kungase kuhluke kubakhiqizi abahlukene.Lapho ukhetha izinto zokwakha, kufanele kwenziwe imizamo yokukhetha izinto ezivela kubakhiqizi abahle bensimbi ye-silicon.Ngezansi kunezici ezibalulekile ezithinte ukusetshenziswa kwe-iron okuke kwahlangatshezwana nakho ngaphambili.
Ishidi lensimbi ye-silicon alizange livalwe noma liphathwe kahle.Lolu hlobo lwenkinga lungatholwa ngesikhathi sokuhlolwa kwamashidi ensimbi ye-silicon, kodwa akubona bonke abakhiqizi bezimoto abanale nto yokuhlola, futhi le nkinga ngokuvamile ayibonwa kahle abakhiqizi bezimoto.
Ukwahlukanisa okonakele phakathi kwamashidi noma amasekhethi amafushane phakathi kwamashidi.Lolu hlobo lwenkinga lwenzeka ngesikhathi sokwenziwa komgogodla wensimbi.Uma ingcindezi ngesikhathi lamination of the iron core iphezulu kakhulu, okubangela umonakalo ukwahlukanisa phakathi amashidi;Noma uma ama-burrs emakhulu kakhulu ngemva kokubhoboza, angasuswa ngokupholisha, okuholela ekulimaleni okungathi sína ku-insulation of the surface punching;Ngemva kokuqedwa kwe-iron core lamination, i-groove ayibushelelezi, futhi indlela yokufaka isetshenziswa;Okunye, ngenxa yezinto ezifana ne-stator bore engalingani nokungaconcentricity phakathi kwe-stator bore kanye nodebe lwesihlalo somshini, ukujika kungase kusetshenziselwe ukulungisa.Ukusetshenziswa okuvamile kwalezi zinqubo zokukhiqiza nokucubungula injini empeleni kunomthelela omkhulu ekusebenzeni kwenjini, ikakhulukazi ukulahlekelwa kwensimbi.
Uma usebenzisa izindlela ezinjengokushisa noma ukushisa ngogesi ukuze uhlukanise ukuphenduka, kungabangela umgogodla wensimbi ukuba ushise ngokweqile, okuholela ekunciphiseni kokusebenza kazibuthe kanye nokulimala kokufakwa phakathi kwamashidi.Le nkinga yenzeka kakhulu ngesikhathi kulungiswa ama-winding kanye ne-motor ngesikhathi sokukhiqiza kanye nenqubo yokucubungula.
Ukupakisha i-welding nezinye izinqubo nakho kungabangela ukulimala kokufakwa phakathi kwezitaki, okwandisa ukulahlekelwa kwamanje kwe-eddy.
Isisindo sensimbi esinganele kanye nokuhlangana okungaphelele phakathi kwamashidi.Umphumela wokugcina wukuthi isisindo somgogodla wensimbi asanele, futhi umphumela oqondile kakhulu ukuthi i-current idlula ukubekezelelana, kuyilapho kungase kube neqiniso lokuthi ukulahlekelwa kwensimbi kudlula izinga.
Inamathela eshidini lensimbi ye-silicon likhulu kakhulu, okwenza isekethe kazibuthe igcwale kakhulu.Ngalesi sikhathi, ijika lobudlelwano phakathi kwe-no-load current kanye ne-voltage igotshwe kakhulu.Lokhu futhi kuyisici esibalulekile ekukhiqizeni nasekucubunguleni amashidi ensimbi ye-silicon.
Ngesikhathi sokukhiqizwa nokucutshungulwa kwama-iron cores, i-orientation yokusanhlamvu ye-silicon steel punching nokunamathiselwe kwendawo yokugunda ingase yonakaliswe, okuholela ekwenyukeni kokulahlekelwa kwensimbi ngaphansi kokungeniswa okufanayo kazibuthe;Kuma-motor frequency aguquguqukayo, ukulahleka kwensimbi okwengeziwe okubangelwa ama-harmonics kufanele kucatshangelwe;Lesi yisici okufanele sicatshangelwe ngokuphelele enqubweni yokuklama.
Ngaphezu kwalezi zici ezingenhla, inani lokuklama lokulahlekelwa kwensimbi yemoto kufanele lisekelwe ekukhiqizeni kwangempela kanye nokucutshungulwa kwe-iron core, futhi kufanele kwenziwe yonke imizamo yokuqinisekisa ukuthi inani lethiyori lifana nenani langempela.Amajika esici ahlinzekwa abahlinzeki bezinto ezivamile akalwa kusetshenziswa indlela yekhoyili yesikwele ye-Epstein, kodwa isiqondiso sikazibuthe sezingxenye ezihlukene zemoto sihlukile, futhi lokhu kulahlekelwa kwensimbi okukhethekile okuzungezayo akunakucatshangelwa okwamanje.Lokhu kungaholela emazingeni ahlukene okungahambisani phakathi kwamanani abaliwe nakaliwe.
Izindlela zokunciphisa ukulahleka kwensimbi ekwakhiweni kobunjiniyela
Ziningi izindlela zokunciphisa ukusetshenziswa kwe-iron kwezobunjiniyela, futhi into ebaluleke kakhulu ukulungisa umuthi ukuze uvumelane nesimo.Yiqiniso, akukhona nje mayelana nokusetshenziswa kwensimbi, kodwa futhi nokunye ukulahlekelwa.Indlela ebaluleke kakhulu ukwazi izizathu zokulahleka kwe-iron ephezulu, njengokuminyana kazibuthe, imvamisa ephezulu, noma ukugcwala ngokweqile kwendawo.Yiqiniso, ngendlela evamile, ngakolunye uhlangothi, kuyadingeka ukusondelana neqiniso ngokuseduze ngangokunokwenzeka kusukela ohlangothini lokulingisa, futhi ngakolunye uhlangothi, inqubo ihlanganiswe nobuchwepheshe ukuze kuncishiswe ukusetshenziswa kwensimbi eyengeziwe.Indlela evame ukusetshenziswa kakhulu ukukhulisa ukusetshenziswa okuhle kwamashidi ensimbi ye-silicon, futhi kungakhathaliseki ukuthi kubiza malini, kungakhethwa insimbi ye-super silicon engenisiwe.Yebo, ukuthuthukiswa kobuchwepheshe obusha basekhaya obuqhutshwa amandla nakho kuqhubekisele phambili intuthuko engcono enhla nomfula.Izigayo zensimbi zasekhaya nazo zethula imikhiqizo yensimbi ye-silicon ekhethekile.I-Genealogy inezigaba ezinhle zemikhiqizo yezimo ezihlukene zohlelo lokusebenza.Nazi izindlela ezimbalwa eziqondile ongahlangabezana nazo:
1. Lungiselela umjikelezo kazibuthe
Ukulungiselela isekethe kazibuthe, ukunemba, kuthuthukisa i-sine yenkundla kazibuthe.Lokhu kubalulekile, hhayi kuphela kuma-motor induction induction engaguquki.Okuguquguqukayo kwe-frequency induction motors kanye nama-synchronous motors kubalulekile.Ngenkathi ngisebenza embonini yemishini yendwangu, ngenza ama-motor amabili anokusebenza okuhlukile ukuze nginciphise izindleko.Yiqiniso, into ebaluleke kakhulu kwakuwukuba khona noma ukungabi khona kwezigxobo ezisontekile, okubangele izici ezingaguquki ze-sinusoidal zegebe lomoya inkambu kazibuthe.Ngenxa yokusebenza ngesivinini esikhulu, ukulahlekelwa kwensimbi kubala ingxenye enkulu, okuholela ekulahlekelweni okukhulu phakathi kwamamotho amabili.Ekugcineni, ngemva kokubala okuthile okubuyela emuva, umehluko wokulahlekelwa kwensimbi wenjini ngaphansi kwe-algorithm yokulawula unyuke ngokuphindwe kabili.Lokhu kuphinda kukhumbuze wonke umuntu ukuthi ahlanganise ama-algorithms okulawula lapho kwenziwa amamotho okulawula isivinini esishintshashintshayo futhi.
2.Yehlisa ukuminyana kazibuthe
Ukwandisa ubude be-iron core noma ukukhulisa indawo yokusebenza kazibuthe yesekethe kazibuthe ukuze kuncishiswe ukuminyana kazibuthe, kodwa inani lensimbi esetshenziswa enjinini liyakhula ngokufanele;
3.Ukunciphisa ubukhulu bensimbi ukuze kuncishiswe ukulahlekelwa kwamandla amanje
Ukushintsha amashidi ensimbi ye-silicon egoqwe ashisayo ufake amashidi ensimbi ye-silicon egoqwe ngokubanda kunganciphisa ukujiya kwamashidi ensimbi ye-silicon, kodwa amashidi ensimbi amancane azonyusa inani lamashidi ensimbi nezindleko zokukhiqiza izimoto;
4.Ukwamukela amashidi ensimbi e-silicon egoqiwe abandayo ane-conductivity kazibuthe ukuze kuncishiswe ukulahlekelwa kwe-hysteresis;
5.Ukwamukela ukusebenza okuphezulu kwe-iron chip insulation coating;
I-6.Ukwelashwa kokushisa kanye nobuchwepheshe bokukhiqiza
Ingcindezi eyinsalela ngemuva kokucubungula ama-chips ensimbi ingathinta kabi ukulahleka kwemoto.Lapho ucubungula amashidi ensimbi ye-silicon, isiqondiso sokusika kanye nokucindezeleka kokugunda kwe-shear kunomthelela omkhulu ekulahlekeni kwe-iron core.Ukusika eceleni kokuqondisa kweshidi lensimbi ye-silicon nokwenza ukwelashwa kokushisa eshidini lensimbi ye-silicon kunganciphisa ukulahlekelwa ngo-10% kuya ku-20%.
Isikhathi sokuthumela: Nov-01-2023