I-Throttle: "I-Power Valve" yeNjini
I-throttle yaziwa ngokuthi "umphimbo" wenjini yemoto. Ixhuma esihlungini somoya phezulu kanye nesilinda senjini phansi. Iyivalvu elawulwayo eyinhloko elawula ukungena komoya enjinini. Umsebenzi wayo oyinhloko ukulawula ngokunembile ivolumu yokungenisa ngokulungisa izinga layo lokuvula, ngaleyo ndlela ifanise izimo zokusebenza ezahlukene zenjini nesidingo samandla.
Uma umshayeli enyathela i-accelerator pedal, ukuvulwa kwe-throttle kuyanda, okuvumela umoya omningi ukuthi ungene kwisilinda, uxube nophethiloli ukuze kwakheke ingxube evuthayo, bese ivuthelwa bese ikhipha amandla amaningi ukuze imoto iqhubekele phambili. Uma i-accelerator ikhishwa, ukuvulwa kwe-throttle kuyancipha, kunciphisa ivolumu yokungenisa futhi kubangele ijubane lenjini ukuthi lehle. Kwimodi yokungenzi lutho, i-throttle igcina ukuvulwa okuncane ukuze inikeze ivolumu yokungenisa eqinile yenjini, igcina isivinini sokungenzi lutho esizinzile, ngisho nalapho i-air conditioning, i-steering assist, kanye neminye imithwalo ivuliwe, futhi ilungisa ngokuzenzakalelayo ivolumu yokungenisa ukuqinisekisa ukuthi injini isebenza kahle.
Ngesikhathi esifanayo, i-throttle isebenza eduze neyunithi yokulawula kagesi yenjini (i-ECU) ukuze kufezwe ukulawula okunembile kwesilinganiso somoya-uphethiloli. I-ECU isebenzisa idatha yevolumu yokungenisa evela ku-throttle ukuze ibale ivolumu efanele yokufaka uphethiloli, ivumela umoya nophethiloli ukuthi kuhlangane ngesilinganiso esifanele, okungathuthukisa ukuphuma kwamandla ngenkathi kunciphisa ukusetshenziswa kukaphethiloli futhi kunciphise ukukhishwa komoya. Kwamanye amamodeli, i-throttle esesimweni esivulekile ngokuphelele ingasiza futhi ekususeni amadiphozithi ekhabhoni ku-cylinder ngesivinini somoya wokungenisa esiphezulu kanye nokushisa komlilo, kwandise isikhathi sokuphila kwenjini.
Ukuxazulula Izinkinga: "Isibonakaliso Esiphuthumayo" se-Throttle
Nakuba i-throttle incane ngobukhulu, ivame ukwehluleka ngenxa yokufakwa kwekhabhoni, ukuguguleka, njll., okungathinta ukusebenza kwemoto. Abanikazi bangakwazi ukuthola "isignali ephuthumayo" ye-throttle ngalezi zimpawu ezilandelayo ezijwayelekile.
Ukungenzi lutho okungavamile kuyindlela evame kakhulu yokwehluleka kwe-throttle. Uma imoto imile futhi ingasebenzi, i-tachometer pointer ingagxuma ngokuphindaphindiwe phakathi kwebanga elingu-800-1200 rpm, okuhambisana nokuthuthumela okukhulu komzimba, ikakhulukazi lapho uqala imoto ezimweni ezibandayo. Lokhu kungenxa kakhulu yediphozithi yekhabhoni ebangela ukuba i-throttle ibambeke, okwenza kube nzima ukulawula ivolumu yokungenisa ngokuzinzile, futhi i-ECU ingalungisa kuphela ukujova kukaphethiloli ukuze iqhubeke nokusebenza.
Ukusheshisa okuhamba kancane kanye namandla anganele kuyizimpawu ezivamile. Ngemva kokunyathela i-accelerator, imoto isheshisa kancane, futhi injini isabela kancane lapho i-accelerator icindezelwa kanzima. Lapho idlula noma ikhuphuka amagquma, amandla "athambile futhi abuthakathaka". Lokhu kungenxa yokuthi i-throttle ayikwazi ukulungisa izinga layo lokuvula ngokuphendula isignali ye-accelerator ngesikhathi, okuholela ekutheni ivolumu yokungenisa enganele kanye nokusebenza kahle kokushisa kukaphethiloli kuncishiswe.
Ngaphezu kwalokho, ukwehluleka kwe-throttle nakho kungabangela ukwanda okukhulu kokusetshenziswa kukaphethiloli. Ukungalingani kwesilinganiso somoya-kaphethiloli okubangelwa ukwehluleka kuzokwenza injini yandise ukujova kukaphethiloli ukuze kugcinwe amandla, futhi umnikazi uzoqaphela ukuthi ngemikhuba efanayo yokushayela, imvamisa yokugcwalisa uphethiloli iyanda kakhulu. Ezimweni ezimbi kakhulu, isibani sephutha lenjini noma isibani se-EPC kudeshibhodi sizokhanyisa, okuyi-alamu ethunyelwe yi-ECU ngemuva kokuthola izimpawu ze-throttle ezingavamile. Ngalesi sikhathi, ithuluzi lokuxilonga kufanele lisetshenziswe ukufunda ikhodi yephutha ukuze kutholakale inkinga ethile.
Uma kukhona ama-carbon deposit amaningi noma ukuvaleka okukhulu kwe-throttle, kungabangela nobunzima ekuqaliseni okubandayo, noma ngisho nokuvala injini okungalindelekile ngesikhathi sokushayela, okubangela ingozi yokuphepha.
Ukulungiswa Kwansuku Zonke: Ukugcina "Umphimbo" Ungavinjelwa
Ukuze ugweme ukwehluleka kwe-throttle okuphazamisa ukusebenza kwemoto, ukulungiswa kwansuku zonke kubalulekile. Kunconywa ukuhlola isimo se-throttle kanye njalo emakhilomitha ayizinkulungwane ezingu-2-3 bese uhlanza ama-carbon deposits ngesikhathi. Lapho uhlanza, sebenzisa isihlanzi esikhethekile. Uma umnikazi engajwayelene nesakhiwo semoto, kungcono ukuthi isetshenziswe uchwepheshe ukuze kugwenywe ukulimaza izingxenye ze-throttle.
Ngesikhathi esifanayo, ukusebenzisa uphethiloli wekhwalithi ephezulu nokushintsha isihlungi somoya njalo kunganciphisa ukungcola kokungena ku-throttle, kwehlise ijubane lokwakheka kwama-carbon deposits. Amanye amamodeli anezinhlelo zokuhlanza ezihlakaniphile ze-throttle anezinga lokwehluleka eliphansi ngo-67% uma kuqhathaniswa nama-throttle avamile. Abanikazi banganaka kakhulu lokhu kulungiselelwa lapho bekhetha imoto.
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