Umsebenzi kanye nomgomo wekhoyili yokushisa
Ikhoyili yokushisa yemoto iyisici esibalulekile ohlelweni lokushisa imoto.
Ikhoyili yokushisa yemoto inesibopho esikhulu sokuguqula i-voltage ephansi (ngokuvamile ama-volts angu-12) enikezwa yibhethri yemoto ibe yi-voltage ephezulu (ngokuvamile amashumi ezinkulungwane zama-volts) ukuze kukhiqizwe inhlansi yokushisa ingxube kaphethiloli kumasilinda enjini. Ikhoyili yokushisa isebenza ngokusekelwe esimisweni sokungenisa i-electromagnetic, iguqula ugesi we-voltage ephansi ube ugesi we-voltage ephezulu ukuqinisekisa ukusebenza okuvamile kanye nokushisa okubushelelezi kwenjini . Ikhoyili yokushisa yemoto yakhiwe kakhulu yi-coil yokushisa kanye nedivayisi yokushintsha.
Isizathu sokuthi ikhoyili yokushisa ingaguqula ugesi we-voltage ephansi emotweni ibe yi-voltage ephezulu ukuthi inesimo esifanayo ne-transformer evamile, futhi isilinganiso sokujika sekhoyili eyinhloko nekhoyili yesibili sikhulu. Kodwa-ke, indlela yokusebenza yekhoyili yokushisa ihlukile kweye-transformer evamile. I-transformer evamile isebenza njalo, kuyilapho ikhoyili yokushisa isebenza ngezikhathi ezithile. Igcina futhi ikhiphe amandla ngokuphindaphindiwe ngamaza ahlukene ngokwejubane elihlukile lenjini.
Uma ikhoyili eyinhloko ixhunywe kugesi, kukhiqizwa insimu enamandla yamagnetic nxazonke njengoba ugesi ukhuphuka, futhi umongo wensimbi ugcina amandla ensimu yamagnetic. Lapho idivayisi yokushintsha inqamula isekethe yekhoyili eyinhloko, insimu yamagnetic yekhoyili eyinhloko ibola ngokushesha, futhi kuzovela i-voltage ephezulu kakhulu kukhoyili yesibili. Lapho insimu yamagnetic yekhoyili eyinhloko ishesha ukunyamalala, ugesi uba mkhulu ngesikhathi sokunqamuka kogesi, futhi lapho isilinganiso sokujika kwamakhoyili amabili sikhulu, kulapho i-voltage ebangelwa ikhoyili yesibili iba nkulu khona.
Amakhoyili okuvutha ahlukaniswe ngezinhlobo ezimbili ngokwezifunda zawo zamagnetic: uhlobo oluvulekile noluvaliwe.
Ikhoyili yokushisa yesekethe evulekile ene-magnetic
Ikhoyili yokushisa evulekile ngokuvamile iyisakhiwo esimise okwethini. Yakhiwe ngamashidi ensimbi e-silicon amaningana ahlanganiswe ndawonye ukuze akhe umongo ofana nenduku, kanye nekhoyili yesibili kanye nekhoyili eyinhloko ngokulandelana ngaphandle komongo. Ikhoyili yesibili inobubanzi bentambo obungu-0 05 kuya ku-1mm ene-enamel, enamajika angu-20,000 kuya ku-30,000. Ububanzi bentambo yekhoyili eyinhloko bungu-0.5 kuya ku-1. Iwugqinsi oluyi-0mm, ikhulu kunekhoyili yesibili, futhi inamajika angu-150 kuya ku-300 kuphela. Ikhoyili eyinhloko iboshwe ngaphandle kwekhoyili yesibili, ngakho-ke ushintsho ekugelezeni kwamagnetic okukhiqizwa yikhoyili yesibili lufana ncamashi nolwekhoyili eyinhloko. Iziqondiso zokugoqa zekhoyili eyinhloko kanye nekhoyili yesibili ziyafana. Ukuphela kokuqala kwekhoyili yesibili kuxhunywe kusixhumi sokukhipha i-high-voltage, futhi ukuphela kwayo kuxhunywe ekugcineni kokuqala kwekhoyili eyinhloko kanye nesiphelo "+" sendlu. Isiphetho sekhoyili eyinhloko sixhunywe ku-terminal ethi "I" yendlu kanye neqoqo le-transistor yamandla ngaphakathi kwe-igniter. I-igniter ilawula ukuvulwa kwamandla kukhoyili eyinhloko.
Ikhoyili yokushisa yesekethe evaliwe ene-magnetic
Ingaphakathi lekhoyili yokushisa yesekethe evaliwe ivaliwe, futhi yonke i-magnetic flux idlula ngaphakathi kwengaphakathi. Ukuvuleka kwe-magnetic kwe-core cishe kuphindwe izikhathi eziyizinkulungwane eziyishumi kunomoya. Ngakho-ke, uma ikhoyili yokushisa yesekethe evulekile izothola i-magnetic flux efanayo nekhoyili yokushisa yesekethe evaliwe, ikhoyili yayo eyinhloko kumele ibe ne-magnetic emf enkulu kakhulu (ama-ampere-turns). Ngakho-ke, amakhoyili ayinhloko anamajika amaningi kanye nobubanzi obukhulu bentambo kumele asetshenziswe. Inani lamajika kwikhoyili eyinhloko likhulu. Uma isilinganiso samajika esifanayo sizofinyelelwa, inani lamajika kwikhoyili yesibili nalo lidinga ukukhushulwa. Ngakho-ke, ukwenza i-open-circuit ignition coil ibe yincane akunakwenzeka. Ngokuphambene nalokho, kwikhoyili yokushisa yesekethe evaliwe, ngenxa yokumelana kwayo okuphansi kwe-magnetic, inganciphisa ngempumelelo i-magnetic emf yekhoyili futhi inciphise i-ignition coil. Njengamanje, ikhoyili yokushisa yesekethe evaliwe i-magnetic circuit ignition yenziwe yaba yincane kakhulu futhi ingahlanganiswa ne-igniter njengenye, noma ihlanganiswe ne-spark plug. Vuthela igesi ecindezelwe evuthayo esilinda nge-spark plug. Ikhoyili yokushisa yendabuko iwuhlobo oluvulekile lwe-magnetic. Ingaphakathi layo lenziwa ngokufaka amashidi ensimbi e-silicon angaba ngu-0.3 millimeters ubukhulu, kanti amakhoyili esibili nawesibanga azungezwe ingaphakathi. Uhlobo lwe-magnetic oluvaliwe lusebenzisa i-iron core efana nohlobo Ⅲ ukuze lugoqe ikhoyili eyinhloko, bese lugoqa ikhoyili yesibili ngaphandle. Imigqa yamagnetic field yakha i-closed magnetic circuit yi-iron core. Izinzuzo ze-closed-magnetic ignition coil ukuvuza okuncane kwe-magnetic, ukulahlekelwa amandla amancane kanye nosayizi omncane. Ngakho-ke, i-closed-magnetic ignition coil isetshenziswa kabanzi ezinhlelweni ze-electronic ignition.
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