.Inzwa yendawo ye-Camshaft - Idivayisi yokuzwa.
Umsebenzi oyinhloko wenzwa yokuma kwe-camshaft ukuqoqa isiginali ye-Angle eguquguqukayo ye-camshaft bese uyifaka kuyunithi yokulawula ye-elekthronikhi (ECU) ukuze kunqunywe isikhathi sokubasa nesikhathi sokujova uphethiloli. Le nqubo ibandakanya ukulawulwa komjovo kaphethiloli okulandelanayo, ukulawula isikhathi sokuvutha kanye nokulawula ukuwohloka komlilo ukuze kuqinisekiswe ukusebenza kahle kwenjini. Ngaphezu kwalokho, inzwa yokuma kwe-camshaft iyakwazi nokukhomba ukuthi iyiphi i-cylinder piston esezofika ku-TDC, ngakho-ke yaziwa nangokuthi inzwa yokuqaphela isilinda. Isignali yayo iphinde isetshenziselwe ukukhomba isikhathi sokuqala sokushisa lapho injini iqalwa, okubalulekile ukuthi injini iqale futhi isebenze.
Umgomo wokusebenza nokubaluleka kwenzwa yesikhundla se-camshaft kubonakala kulezi zici ezilandelayo:
Ukutholwa nokucutshungulwa kwesignali : Inzwa iqoqa indawo kanye namasignali esivinini se-camshaft bese idlulisela lolu lwazi ku-ECU, elawula umjovo kaphethiloli nesikhathi sokuthungela ngokuya ngalawa masignali ukuze kuthuthukiswe ukusebenza kwenjini.
Ukulawula ukuthungela nokujova uphethiloli : izinzwa zokuma kwe-camshaft zisiza i-ECU inqume izikhathi ezingcono kakhulu zokuthungela nokujova uphethiloli, ezibalulekile ekuthuthukiseni ukusebenza kahle kukaphethiloli kanye nokunciphisa ukukhishwa kwegesi.
ukuqashelwa kokuqala : Uma injini iqala, inzwa yokuma kwe-camshaft isiza i-ECU ukuhlonza isikhathi sokuqala sokubasa ukuze kuqinisekiswe ukuthi injini ingaqala kahle.
Umthelela : Uma inzwa yendawo ye-camshaft ihluleka, ingaholela ekunciphiseni ukusebenza kwenjini noma ngisho nokwehluleka ukuqalisa ngoba i-ECU ayikwazi ukulawula ngokunembile ukuvutha nesikhathi sokujova uphethiloli.
Ukufingqa, inzwa yendawo ye-camshaft iyisici esibalulekile ohlelweni lokulawula injini yesimanje, indima yayo ayigcini nje ngokunikeza amasignali okulawula ukuthungela nokujova uphethiloli, kodwa futhi ihlanganisa ukuhlonza isiqalo neminye imisebenzi, enomthelela oqondile. ekusebenzeni kukonke kanye nokuphepha kwenjini. .
Yiziphi ukubonakaliswa kokwehluleka kwenzwa ye-convex shaft?
Ukusebenza kokuhluleka kwenzwa ye-camshaft kuhlanganisa ukwehluleka ukuqalisa, ubunzima bokuqalisa, isivinini sokungenzi lutho esingazinzile, ubuthakathaka benjini, ukwanda kokusetshenziswa kukaphethiloli, ukuthuthumela kwemoto, ukukhanya okuhlulekayo kuqhubeka nokukhanya, ukuvala shaqa kungazelelwe lapho imoto eshisayo, ukuphahlazeka kokushayela, njll.
Ezinye izibonakaliso zephutha nezimbangela zimi kanje:
I-1, ukuhluleka kokushisa: inzwa ye-camshaft isikhundla inganquma ukulandelana kokushisa, ukwehluleka kuzodala ukwehluleka komlilo, ngalesi sikhathi injini akulula ukuyiqala;
I-2, injini ayinawo amandla: lapho inzwa yesikhundla se-camshaft ihluleka, i-ECU ayikwazi ukubona ukuguqulwa kwesimo se-camshaft, ngakho-ke ayikwazi ukubona kahle ukuguqulwa kwesimo se-camshaft, okuthinta ukungena nokukhipha ivolumu yesistimu yokukhipha umoya. , bese kuthikameza ukusebenza kwenjini;
3, ukwanda kokusetshenziswa kukaphethiloli: lapho inzwa yendawo ye-camshaft ihluleka, ikhompyutha izophazamiseka umjovo kaphethiloli, okuholela ekusetshenzisweni kukaphethiloli, ubuthakathaka bemoto, isivinini esincane;
4, imoto eshisayo ukuvala shaqa kungazelelwe: indima camshaft isikhundla inzwa sibucayi kakhulu, uma camshaft isikhundla ukwehluleka inzwa, umsebenzi injini kuyoba nomthelela othile.
Uma imoto inezimo ezingenhla ezingavamile, akufanele ithathwe kalula futhi iye esitolo sokukhanda esichwepheshile ukuze ihlolwe ngokushesha ngangokunokwenzeka.
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