Iyini indima yenzwa ye-camshaft yezimoto
Inzwa yesikhundla se-camshaft idlala indima ebalulekile enjinini yemoto, umsebenzi oyinhloko ukuqoqa isignali yesikhundla se-camshaft bese uyifaka kuyunithi yokulawula kagesi (ECU) ukuze kutholakale isikhathi sokusha kanye nesikhathi sokujova uphethiloli. Ngokuthola indawo yokujikeleza kwe-camshaft, inzwa inquma isikhathi sokuvula nokuvala kwevalvu, ngaleyo ndlela ifinyelele ekulawuleni okunembile kwenjini.
Umgomo wokusebenza wenzwa yesikhundla se-camshaft usekelwe kubuchwepheshe bokungenisa ngogesi noma ubuchwepheshe bokungenisa ngogesi. Lapho i-camshaft ijikeleza, inzwa ithola ukugoba noma i-notch ku-camshaft bese ikhiqiza isignali kagesi ehambisanayo. Ngemva kokuthola lezi zimpawu, i-ECU inquma isikhathi sokusha kanye nesikhathi sokufakwa kukaphethiloli ngokubala nokucubungula, ukuze kufezwe ukulawula okunembile kwenjini.
Ukunemba nokuthembeka kwezinzwa zesikhundla se-camshaft kubalulekile ekusebenzeni kahle kwenjini kanye nokonga uphethiloli. Uma inzwa yehluleka, kungaholela ekushiseni okungafanele, ekunciphiseni ukonga uphethiloli, futhi mhlawumbe ngisho nenjini engasebenzi kahle. Ngakho-ke, ukuhlolwa njalo nokugcinwa kwenzwa yesikhundla se-camshaft kubaluleke kakhulu.
Inzwa ye-camshaft iyingxenye ebalulekile yemoto, esetshenziswa kakhulu ukuthola indawo ye-camshaft kanye nesivinini, ukuqinisekisa ukusebenza okuvamile kwenjini. Inzwa ye-Camshaft, eyaziwa nangokuthi i-Camshaft Position Sensor (CPS) noma i-Cylinder Identification Sensor (CIS), umsebenzi wayo oyinhloko ukuqoqa izimpawu zendawo ye-valve camshaft. Lezi zimpawu zifakwa kwi-electronic control Unit (ECU). Kusukela kulezi zimpawu, i-ECU iyakwazi ukubona i-TDC yokucindezela yesilinda 1 yokulawula ukujova uphethiloli okulandelanayo, ukulawula isikhathi sokushiswa kanye nokulawula ukudilika .
Isakhiwo kanye nomgomo wokusebenza
Kunezinhlobo eziningi zezinzwa zesikhundla se-camshaft, okuhlanganisa i-photoelectric kanye ne-magnetic induction. I-Photoelectric sensor yakhiwe kakhulu yi-signal disk, i-signal generator kanye ne-distributor, futhi ikhiqiza isignali nge-light-emitting diode kanye ne-photosensitive transistor. Uhlobo lwe-magnetic induction lusebenzisa umphumela we-Hall noma isimiso se-magnetic induction ukukhiqiza izimpawu, ezivame ukuhlukaniswa ngohlobo lwe-Hall kanye nohlobo lwe-magnetoelectric .
Indawo yokufaka
Inzwa yesikhundla se-camshaft ivame ukufakwa engxenyeni engaphambili yesembozo se-camshaft, maqondana nengxenye engaphambili ye-camshaft yokungenisa kanye neyokukhipha umoya. Lo mklamo uqinisekisa ukuthi inzwa ingakwazi ukuqoqa ngokunembile isignali yesikhundla se-camshaft .
Ukusebenza kwephutha kanye nomthelela
Uma inzwa ye-camshaft ihluleka, izimpawu ezivamile zifaka phakathi ubunzima bokuqalisa imoto, ubunzima bokugcwalisa uphethiloli noma ukuma uma kushisa, ukusetshenziswa kukaphethiloli okwandisiwe, amandla anganele kanye nokusheshisa okubi. Lezi zimpawu zibangelwa ukungakwazi kwe-ECU ukulawula ngokunembile ukufakwa kukaphethiloli kanye nesikhathi sokusha.
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