Uyini umsebenzi wepulaki yenzwa yokushisa kwamanzi emoto
Inzwa yokushisa kwamanzi emoto (inzwa yokushisa kwamanzi) idlala indima ebalulekile emotweni, izindima eziyinhloko zihlanganisa okulandelayo:
Ukutholwa kwezinga lokushisa elipholile : Ipulaki yenzwa yezinga lokushisa lamanzi inesibopho sokukala izinga lokushisa lokupholisa lesikhathi sangempela, elibalulekile enqubweni yokufudumala phakathi nokuqala kwamakhaza. Igada izinguquko zezinga lokushisa ukuze ilawule isivinini sabalandeli uma kudingekile futhi ibe nomthelela ekumisweni kwesivinini sokungenzi lutho ukuze isebenze kahle kanye nokusebenza kahle kukaphethiloli .
Ukulungiswa komjovo kaphethiloli : Ngokuthola izinga lokushisa elipholile, ipulaki yenzwa yezinga lokushisa kwamanzi inikeza isignali yokulungisa yesistimu yomjovo kaphethiloli ukuze kuqinisekiswe umjovo onembile kaphethiloli, ukugwema izinga lokushisa eliphezulu kakhulu noma eliphansi kakhulu, ngaleyo ndlela ivikele injini futhi ithuthukise ukonga kukaphethiloli.
Bonisa ulwazi lokushisa kwamanzi : Inikeza ukufundwa kwesikhathi sangempela kwegeji lokushisa lamanzi emoto ukuze umshayeli akwazi ukuqonda isimo sokusebenza kwenjini futhi athathe isinyathelo esifike ngesikhathi ukuze agcine ukusebenza kahle.
Ukulungiswa kwesikhathi sokushisa : isignali yezinga lokushisa epholile etholwe ipulaki yenzwa yezinga lokushisa lamanzi izophinde isetshenziselwe ukulungisa isikhathi sokubasa ukuze kuqinisekiswe isimo esingcono kakhulu sokusebenza senjini emazingeni okushisa ahlukene.
Umgomo wokusebenza wepulaki yokuzwa izinga lokushisa kwamanzi usekelwe ezicini zayo zangaphakathi ze-thermistor. Inani lokumelana le-thermistor liyashintsha ngokushisa, futhi ipulaki yenzwa yokushisa kwamanzi iguqula lolu shintsho lube isignali kagesi futhi iyidlulisele ku-electronic control unit (ECU). I-ECU ilungisa isikhathi somjovo, isikhathi sokuthungela kanye nokulawulwa kwefeni ngokwesiginali eyamukelwe, ngaleyo ndlela ibone ukulawula okunembile kwenjini.
Izinhlobo ezahlukene zamapulaki ezinzwa lokushisa kwamanzi zihlanganisa umugqa owodwa, izintambo ezimbili, izintambo ezintathu kanye nezintambo ezine. Ziyahlukahluka ngokwakhiwa nokusebenza futhi ngokuvamile zifakwa ezindaweni ezibalulekile zesistimu yokupholisa, njengaseduze kwekhanda lesilinda, ibhulokhi kanye ne-thermostat.
Lapho ipulaki lenzwa yezinga lokushisa kwamanzi lemoto lonakele, izimpawu eziyinhloko ezilandelayo zizovela :
Isexwayiso sephaneli yezinsimbi : Uma ipulaki yenzwa yezinga lokushisa kwamanzi inephutha, inkomba efanelekile kuphaneli yensimbi ingase icwayize noma iqhubeke nokukhanya njengesignali yesixwayiso sesistimu. .
Ukufundwa kwezinga lokushisa okungavamile : Izinga lokushisa eliboniswa ku-thermometer alihambisani nezinga lokushisa langempela. Ngenxa yalokho, i-thermometer pointer ingase inganyakazi noma ikhombe endaweni ephakeme kakhulu yokushisa. .
Ubunzima bokuqalisa okubandayo : Ngesikhathi sokuqala okubandayo, i-ECU ayikwazi ukunikeza ulwazi olulungile lokugxilisa ingxube ngenxa yenzwa ebika kabi isimo sokuqala esishisayo, okwenza ukuqala okubandayo kube nzima.
Ukwenyuka kokusetshenziswa kukaphethiloli kanye nesivinini sokungenzi lutho esishintshashintshayo : Izinzwa ezingalungile zingathinta ukulawulwa kwe-ECU komjovo kaphethiloli nesikhathi sokuthungela, okuholela ekusetshenzisweni kukaphethiloli okungeziwe kanye nesivinini esishintshashintshayo sokungenzi lutho.
Ukwehla kokusebenza kwe-Acceleration : ngisho nasezimeni ze-throttle egcwele, isivinini senjini asikwazi ukunyuswa, okubonisa ukuntuleka okusobala kwamandla.
Isimiso sokusebenza nokubaluleka kwepulaki yenzwa yokushisa kwamanzi : ngokuqapha izinga lokushisa lamanzi okupholisa injini, ulwazi lokushisa luguqulwa lube isignali kagesi kanye nokuphumayo kuyunithi yokulawula ye-elekthronikhi, ukuze kulawulwe ngokunembile inani lomjovo kaphethiloli, isikhathi sokubasa kanye neminye imingcele ebalulekile. Kuphinde kuthinte umsebenzi wezingxenye ezifana ne-valve yokulawula i-idle ukuqinisekisa ukusebenza okuvamile kwenjini. .
Indlela yokuhlola nokushintshanisa : Sebenzisa i-multimeter ukuhlola inzwa yokushisa kwamanzi. Shisisa inzwa futhi ubheke ushintsho lokumelana ukuze unqume ukuthi kuhle noma kubi. Ukwengeza, ukusetshenziswa kwethuluzi lokuhlola iphutha ukuhlola ukuthi ingabe ikhona yini ikhodi yephutha esimweni esibandayo futhi kuyindlela ephumelelayo yokuthola. Uma iphutha selitholakele, kufanele lishintshwe ngesikhathi ukuze kuqinisekiswe ukusebenza okuvamile kwenjini.
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