- 16
- Sep
Izinkinga Eziningana Kumklamo Wezinzwa
Izinkinga Eziningana Kumklamo Wezinzwa
Imishini yokushisa yokungeniswa ihlanganisa isithando sokushisa sangaphakathi, ukunikezwa kwamandla kagesi, uhlelo lokupholisa amanzi kanye nemishini yokulayisha nokuthulula izinto, njll., kodwa inhloso eyinhloko ukuklama i-inductor esebenza kahle kakhulu ekushiseni, ukusetshenziswa kwamandla okuphansi nokusetshenziswa isikhathi eside.
Ama-inductors asetshenziselwa ukushisa kwe-induction of blanks ikakhulukazi ama-multi-turn spiral inductors. Ngokusho kokuma, ubukhulu kanye nezidingo zenqubo ye-blank, ifomu lesakhiwo se-inductor kanye nohlobo lwesithando somlilo sokushisa kuyakhethwa. Okwesibili ukukhetha imvamisa yamanje efanele futhi unqume amandla adingekayo ekushiseni okungenalutho, okuhlanganisa amandla asebenzayo adingekayo ekushiseni okungenalutho ngokwalo kanye nokulahlekelwa kokushisa okuhlukahlukene.
Uma okungenalutho kushisiswe ngendlela eguquguqukayo, amandla nokuminyana kwamandla okokufaka endaweni engenalutho ngenxa yokungeniswa kunqunywa izici ezihlukahlukene. Umehluko wezinga lokushisa phakathi kobuso nendawo emaphakathi yokungenalutho edingwa inqubo inquma isikhathi esiphezulu sokushisa namandla okuminyana kokungenalutho ku-inductor, okuphinde kunqume ubude bekhoyili yokungeniswa yokushisisa okulandelanayo nokuqhubekayo. Ubude bekhoyili yokungeniswa esetshenzisiwe buncike kubude bendawo engenalutho.
Ezimweni eziningi, i-voltage yokugcina ye-inductor ithatha i-voltage engaguquki ekuklanyeni nasekusetshenzisweni kwangempela, futhi i-voltage ayishintshi phakathi nenqubo yonke kusukela ekuqaleni kokushisisa kuze kube sekupheleni kokushisisa. Kuphela ekushisiseni kokungeniswa ngezikhathi ezithile, i-voltage idinga ukuncishiswa lapho ukushisisa okungenalutho kudinga ukufana, noma lapho izinga lokushisa lidlula iphuzu le-Curie lapho izinto zikazibuthe zishiselwa, i-magnetism yezinto ezibonakalayo iyanyamalala, futhi izinga lokushisa liyanyamalala. yehlisa ijubane. Ukuze kwandiswe izinga lokushisa Futhi andise i-voltage yokugcina ye-inductor. Ngamahora angu-24 ngosuku, i-voltage enikeziwe efektri iyashintshashintsha, futhi ububanzi bayo ngezinye izikhathi bufinyelela ku-10% -15%. Uma usebenzisa i-voltage yamandla anjalo ekushiseni kwe-frequency yamandla, izinga lokushisa lokushisa elingenalutho alihambisani kakhulu ngesikhathi esifanayo sokushisa. Lapho izidingo zokushisa zokushisa zento engenalutho ziqinile, kufanele kusetshenziswe i-voltage ezinzile yokuhlinzeka amandla. Ngakho-ke, idivayisi yokuqinisa amandla kagesi idinga ukwengezwa ohlelweni lokuphakela amandla ukuze kuqinisekiswe ukuthi i-terminal voltage ye-inductor ishintshashintsha ngaphansi kuka-2%. Kubaluleke kakhulu ukushisa i-workpiece ngokushisa, ngaphandle kwalokho izakhiwo zemishini ze-workpiece ende zizobe zingahambisani ngemva kokwelashwa kokushisa.
Ukulawula amandla ngesikhathi sokushisa kokungeniswa kokungenalutho kungahlukaniswa kube amafomu amabili. Ifomu lokuqala lisekelwe esimisweni sokulawula isikhathi sokushisa. Ngokwesikhathi se-takt sokukhiqiza, okungenalutho kuthunyelwa esithandweni sokushisisa sokungeniswa ukuze kushiswe futhi kuphushwe ukuze kutholwe umkhiqizo ongaguquki. . Emkhiqizweni wangempela, isikhathi sokushisa esilawulayo sisetshenziswa kakhulu, futhi izinga lokushisa elingenalutho likalwa lapho okokusebenza kulungisiwe, kanye nesikhathi sokushisa esidingekayo ukuze kufinyelelwe izinga lokushisa elishiwoyo lokushisisa kanye nomehluko wezinga lokushisa phakathi kwendawo kanye nendawo engenalutho. inganqunywa ngaphansi kwesimo esithile se-voltage. Le ndlela ilungele izinqubo zokubumba nokugxiviza ezinokukhiqiza okuphezulu, okungaqinisekisa izinqubo eziqhubekayo zokubumba nokugxiviza. Ifomu lesibili ukulawula amandla ngokuvumelana nezinga lokushisa, empeleni elisekelwe ekushiseni okushisa. Lapho okungenalutho kufinyelela ezingeni lokushisa elishiwo, lizokhishwa ngokushesha.
isithando somlilo. Le ndlela isetshenziselwa izikhala ezinezidingo eziqinile zokushisa zokugcina, njengokwakhiwa okushisayo kwezinsimbi ezingezona ayoni. Ngokuvamile, ekushiseni kokungeniswa okulawulwa izinga lokushisa, inombolo encane kuphela yezikhala ezingashiswa ku-inductor eyodwa, ngoba kunezikhala eziningi ezishisiwe ngesikhathi esisodwa, futhi ukushisa okushisa kunzima ukulawula.
Lapho amandla okokufaka engenalutho, indawo eshisayo kanye nokuminyana kwamandla angaphezulu ahlangabezana nezidingo zohlelo kutholakala, i-inductor ingaklanywa futhi ibalwe. Isihluthulelo ukucacisa inani lokujika kwekhoyili yokungeniswa, lapho ukusebenza kahle kwamanje kanye nogesi we-inductor kungabalwa khona. , Isici samandla i-COS A kanye nosayizi wesigaba esiphambene wekhoyili yekhoyili yokungeniswa.
Ukuklama nokubala kwe-inductor kuyinkinga kakhulu, futhi kunezinto eziningi zokubala. Ngenxa yokuthi okunye ukuqagela kwenziwa kufomula yokubala yokutholwa, ayihambisani ngokuphelele nesimo sangempela sokushisisa sokungeniswa, ngakho kuba nzima kakhulu ukubala umphumela onembe kakhulu. . Ngezinye izikhathi kukhona ukuphenduka okuningi kakhulu kwekhoyili ye-induction, futhi izinga lokushisa elidingekayo alikwazi ukufinyelelwa phakathi nesikhathi sokushisa esicacisiwe; lapho inani lokuphenduka kwekhoyili ye-induction lincane, izinga lokushisa lokushisa lidlule izinga lokushisa lokushisa elidingekayo phakathi nesikhathi sokushisa esicacisiwe. Nakuba impompi ingagcinwa kukhoyili yokungeniswa futhi ukulungiswa okufanele kungenziwa, ngezinye izikhathi ngenxa yemikhawulo yesakhiwo, ikakhulukazi i-inductor yefrikhwensi yamandla, akulula ukushiya umpompi. Kulezi zinzwa ezingahlangabezani nezidingo zobuchwepheshe, kufanele zilahlwe futhi zihlelwe kabusha ukuze zenze ezintsha. Ngokweminyaka yethu yokuzijwayeza, kutholwa idatha ethile namashadi anamandla, angenzi nje kuphela ukwakheka kube lula inqubo yokubala, konga isikhathi sokubala, kodwa futhi kunikeza imiphumela yokubala enokwethenjelwa.
Izimiso eziningana okufanele zicatshangelwe ekwakhiweni kwenzwa yethulwa kanje.
1. Sebenzisa imidwebo ukwenza izibalo zibe lula
Eminye imiphumela yokubala ifakwe kuhlu eshadini ukuze kukhethwe ngokuqondile, njengobubanzi obungenalutho, imvamisa yamanje, izinga lokushisa lokushisa, umehluko wezinga lokushisa phakathi kwendawo ephakathi nendawo yesikhathi esingenalutho kanye nesikhathi sokushisa kuThebula 3-15. Enye idatha ye-empirical ingasetshenziselwa ukuqhuba nokulahlekelwa ukushisa kwemisebe ngesikhathi sokushisisa okungeniswayo kokungenalutho. Ukulahlekelwa ukushisa kwe-cylindrical blank eqinile kungu-10% -15% wamandla asebenzayo okushisa angenalutho, futhi ukulahlekelwa ukushisa kwe-cylindrical engenalutho engenalutho kungamandla asebenzayo okushisa okungenalutho. 15% -25%, lesi sibalo ngeke sithinte ukunemba kwesibalo.
2. Khetha umkhawulo ophansi wefrikhwensi yamanje
Lapho okungenalutho kushisisiwe, amafrikhwensi amabili amanje angakhethwa kububanzi obungenalutho obufanayo (bona Ithebula 3-15). Imvamisa yamanje ephansi kufanele ikhethwe, ngoba imvamisa yamanje iphezulu futhi izindleko zokunikezwa kwamandla ziphezulu.
3. Khetha i-voltage elinganisiwe
I-voltage yokugcina ye-inductor ikhetha i-voltage elinganisiwe ukuze isebenzise ngokugcwele umthamo wamandla kagesi, ikakhulukazi esimweni sokushisisa kokufakwa kwemvamisa yamandla, uma i-voltage yokugcina ye-inductor iphansi kune-voltage elinganiselwe yomthombo wamandla, inani lama-capacitor asetshenziselwa ukuthuthukisa amandla factor cos
4. Amandla okushisa amaphakathi namandla okufaka izinto zokusebenza
Okungenalutho kushisa ngokuqhubekayo noma ngokulandelana. Uma i-terminal voltage enikezwa i-inductor ithi “=njalo, amandla asetshenziswa i-inductor ahlala engashintshile. Kubalwa ngamandla amaphakathi, amandla okufaka okokusebenza adinga kuphela ukuba mkhulu kunamandla amaphakathi. I-magnetic material blank isetshenziswa njengomjikelezo. Uhlobo lokushisa lokungeniswa, amandla asetshenziswa i-inductor ashintsha ngesikhathi sokushisa, namandla okushisa ngaphambi kwephoyinti le-Curie aphindwe izikhathi ezingu-1.5-2 amandla ajwayelekile, ngakho-ke amandla okufaka okokusebenza kufanele abe makhulu kunokushisa okungenalutho ngaphambi kwe-Curie. iphuzu. amandla.
5. Lawula amandla endaweni yeyunithi ngayinye
Lapho okungenalutho kushisisiwe, ngenxa yezidingo zomehluko wokushisa phakathi kwendawo ephakathi nendawo engenalutho nesikhathi sokushisa, amandla ngeyunithi ngayinye yendawo engenalutho akhethwa ukuthi abe ngu-0.2-0. 05kW/cm2o uma uklama i-inductor.
6. Ukukhethwa kokumelana okungenalutho
Lapho okungenalutho kwamukela ukufudumeza kokungeniswa okulandelanayo nokuqhubekayo, izinga lokushisa lokushisa elingenalutho kunzwa lishintsha ngokuqhubekayo ukusuka phansi ukuya phezulu ngokuhambisana ne-axial direction. Lapho ubala inzwa, ukumelana nokungenalutho kufanele kukhethwe ngokusho kwe-100 ~ 200 ° C ngaphansi kwezinga lokushisa lokushisa. isilinganiso, umphumela wokubala uzoba onembe kakhulu.
7. Ukukhethwa kwenombolo yesigaba senzwa yefrikhwensi yamandla
Ama-inductors efrikhwensi yamandla angaklanywa njengesigaba esisodwa, izigaba ezimbili kanye nesigaba sesithathu. I-inductor yesigaba esisodwa samandla inamandla okushisa angcono, futhi i-inductor yamandla ezigaba ezintathu inamandla amakhulu kagesi, ngezinye izikhathi aphusha okungenalutho ku-inductor. Uma i-inductor yesigaba esisodwa samandla idinga amandla amakhulu, isilinganisi sezigaba ezintathu sidinga ukwengezwa ohlelweni lokuphakelwa kwamandla ukuze kulinganiswe umthwalo wokuphakelwa kwamandla kwezigaba ezintathu. I-inductor yesigaba sesithathu samandla ingaxhunywa kugesi wezigaba ezintathu. Umthwalo wokunikezwa kwamandla wezigaba ezintathu awukwazi ukulingana ngokuphelele, futhi i-voltage yezigaba ezintathu zokunikezwa kwamandla ngokwayo ehlinzekwa yi-workshop yefektri ayifani. Lapho uklama i-inductor ye-frequency yamandla, isigaba esisodwa noma isigaba sesithathu kufanele sikhethwe ngokuhambisana nobukhulu bokungenalutho, uhlobo lwesithando sokushisa esisetshenziswayo, izinga lokushisa lokushisa kanye nobukhulu bokukhiqiza.
8. Ukukhethwa kwendlela yokubala yezinzwa
Ngenxa yezinhlaka ezihlukene zama-inductors, ama-inductors asetshenziselwa ukufudumeza ama-frequency aphakathi nendawo awafakelwe ama-conductors kazibuthe (izithando ezinkulu ze-intermediate intermediate melting melting zifakwe ama-conductor kazibuthe), kuyilapho ama-inductors okushisa kwe-frequency induction afakwe ama-conductors kazibuthe, ngakho Ekwakhiweni nasekubaleni kwe-inductor, kubhekwa ukuthi i-inductor ngaphandle kwe-conductor kazibuthe isebenzisa indlela yokubala ye-inductance, futhi i-inductor ene-conductor kazibuthe isebenzisa indlela yokubala yesekethe kazibuthe, futhi imiphumela yokubala inembe kakhudlwana. .
9. Sebenzisa ngokugcwele amanzi okupholisa e-inductor ukuze wonge amandla
Amanzi asetshenziselwa ukupholisa inzwa awokupholisa kuphela futhi awangcolisiwe. Ngokuvamile, izinga lokushisa lamanzi angenayo lingaphansi kuka-30Y, futhi izinga lokushisa lamanzi okukhipha ngemva kokupholisa lingu-50Y. Njengamanje, abakhiqizi abaningi basebenzisa amanzi okupholisa ajikelezayo. Uma izinga lokushisa lamanzi liphezulu, bazofaka amanzi okushisa kwegumbi ukuze banciphise izinga lokushisa kwamanzi, kodwa ukushisa kwamanzi okupholisa akusetshenziswa. Isithando somlilo sokungenisa imvamisa yamandla semboni sinamandla angu-700kW. Uma ukusebenza kahle kwe-inductor kungu-70%, u-210kW wokushisa uzosuswa ngamanzi, futhi ukusetshenziswa kwamanzi kuzoba ngu-9t/h. Ukuze usebenzise ngokugcwele amanzi ashisayo ngemva kokupholisa i-inductor, amanzi ashisayo apholile angangeniswa endaweni yokusebenzela yokukhiqiza njengamanzi asekhaya. Njengoba isithando sokushisa sokungeniswa sisebenza ngokuqhubekayo ngamashifu amathathu ngosuku, amanzi ashisayo ayatholakala ukuze abantu basebenzise amahora angu-24 ngosuku endlini yokugezela, okusebenzisa ngokugcwele amanzi okupholisa namandla ashisayo.