Inzwa yesikhundla se-Camshaft - Idivayisi yokuzwa.
Umsebenzi oyinhloko wenzwa yesikhundla se-camshaft ukuqoqa isignali ye-Angle eguquguqukayo ye-camshaft bese uyifaka kuyunithi yokulawula kagesi (i-ECU) ukuze kunqunywe isikhathi sokusha kanye nesikhathi sokushayiswa kukaphethiloli. Le nqubo ihilela ukulawulwa kokushayiswa kukaphethiloli okulandelanayo, ukulawulwa kwesikhathi sokushayiswa kanye nokulawulwa kokushayiswa ukuze kuqinisekiswe ukusebenza kahle kwenjini. Ngaphezu kwalokho, inzwa yesikhundla se-camshaft iyakwazi futhi ukuhlonza ukuthi iyiphi i-piston yesilinda esezofika ku-TDC, ngakho-ke yaziwa nangokuthi inzwa yokubona isilinda. Isignali yayo isetshenziselwa futhi ukuhlonza umzuzu wokuqala wokushayiswa lapho injini iqalwa, okubalulekile ukuthi injini iqale futhi isebenze.
Umgomo wokusebenza kanye nokubaluleka kwenzwa yesikhundla se-camshaft kubonakala kulezi zici ezilandelayo:
Ukutholwa nokucubungula isignali: Inzwa iqoqa indawo kanye nezimpawu zesivinini ze-camshaft bese idlulisela lolu lwazi ku-ECU, elawula ukufakwa kukaphethiloli kanye nesikhathi sokusha ngokuya ngalezi zimpawu ukuze ithuthukise ukusebenza kwenjini.
Ukulawula ukushaja nokufaka uphethiloli: izinzwa zesikhundla se-camshaft zisiza i-ECU ukunquma izikhathi ezinhle kakhulu zokushaja nokufaka uphethiloli, ezibalulekile ekuthuthukiseni ukusebenza kahle kukaphethiloli nokunciphisa ukukhishwa komoya.
ukuqashelwa kokuqala: Lapho injini iqala, inzwa yesikhundla se-camshaft isiza i-ECU ukuhlonza isikhathi sokuqala sokusha ukuze kuqinisekiswe ukuthi injini ingaqala kahle.
Umthelela: Uma inzwa yesikhundla se-camshaft ihluleka, kungabangela ukwehla kokusebenza kwenjini noma ukwehluleka ukuqala ngoba i-ECU ayikwazi ukulawula ngokunembile isikhathi sokuvutha kanye nesikhathi sokujova uphethiloli.
Ngamafuphi, inzwa yesikhundla se-camshaft iyisici esibalulekile ohlelweni lwesimanje lokulawula injini yezimoto, indima yayo ayigcini nje ngokuhlinzeka ngamasignali okulawula ukuthungela kanye nokujova uphethiloli, kodwa futhi ihlanganisa ukuhlonza ukuqala kanye neminye imisebenzi, enomthelela oqondile ekusebenzeni nasekuphepheni kwenjini iyonke.
Yiziphi izimpawu zokwehluleka kwenzwa ye-convex shaft?
Ukusebenza kokwehluleka kwenzwa ye-camshaft kufaka phakathi ukwehluleka ukuqala, ubunzima bokuqalisa, isivinini esingazinzile sokungenzi lutho, ubuthakathaka benjini, ukusetshenziswa kukaphethiloli okwandisiwe, ukuthuthumela kwemoto, ukukhanya kokwehluleka okuqhubekayo ukukhanya, ukuvala ngokuzumayo lapho imoto ishisa, ukushayela kushayisana, njll.
Ezinye izimbangela kanye nokubonakaliswa kwamaphutha yilezi ezilandelayo:
1, ukwehluleka kokushisa: inzwa yesikhundla se-camshaft inganquma ukulandelana kokushisa, ukwehluleka kuzobangela ukwehluleka kokushisa, ngalesi sikhathi injini akulula ukuyiqala;
2, ukungabi namandla kwenjini: lapho inzwa yesikhundla se-camshaft ihluleka, i-ECU ayikwazi ukubona ushintsho lwesikhundla se-camshaft, ngakho-ke ayikwazi ukubona ngokufanele ushintsho lwesikhundla se-camshaft, okuthinta umthamo wokungenisa kanye nowokukhipha wohlelo lokukhipha oluseduze, bese kuthinta ukusebenza kwenjini;
3, ukusetshenziswa kukaphethiloli okwandisiwe: lapho inzwa yesikhundla se-camshaft ihluleka, ikhompyutha izofakwa uphethiloli ophazamisekile, okuholela ekusetshenzisweni kukaphethiloli, ubuthakathaka bemoto, isivinini esihamba kancane;
4, ukuvalwa kwemoto eshisayo ngokuzumayo: indima yenzwa yesikhundla se-camshaft ibaluleke kakhulu, uma inzwa yesikhundla se-camshaft yehluleka, umsebenzi wenjini uzoba nomthelela othile.
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