Iyini ivalvu yokulawula ukugeleza kwephampu kawoyela yemoto
I-valve yokulawula ukugeleza kwephampu kawoyela wezimoto iyingxenye ebalulekile ephampu kawoyela. Umsebenzi wayo oyinhloko ukulawula nokukhawulela ukugeleza kukawoyela wenjini, ukuqinisekisa ukuthi uhlelo lokugcoba injini lungathola ukuhlinzekwa okuzinzile nokufanelekile kukawoyela wenjini ngaphansi kwezimo zokusebenza ezahlukene.
Ngokukhethekile, le valve ilungisa ngokuzenzakalelayo ukugeleza kokuphuma kwephampu kawoyela ngokuzwa amapharamitha afana nokucindezela kwesistimu noma isivinini senjini. Uma injini isebenza ngesivinini esiphansi noma ingasebenzi, izonciphisa izinga lokugeleza ukuze igweme ukucindezela okweqile. Uma isebenza ngesivinini esiphezulu, izinga lokugeleza kufanele lenyuswe ngokufanele ukuze kuhlangatshezwane nezidingo zokugcoba. Lo msebenzi wokulawula usiza ukuvimbela ukucindezela kwesistimu yokugcoba ukuthi kube phezulu kakhulu noma phansi kakhulu, ngaleyo ndlela kuvikele izingxenye zenjini ekugugeni noma ekulimaleni.
Ngaphezu kwalokho, i-valve yokulawula ukugeleza ingathuthukisa ukusetshenziswa kwamandla kwephampu kawoyela, inciphise ukulahleka kwamandla okungadingekile, futhi isize ukugcina izinga lokushisa likawoyela lingaphakathi kwebanga elifanele, ngaleyo ndlela ithuthukise ukusebenza kahle kohlelo lonke.
Umsebenzi oyinhloko wevalvu yokulawula ukugeleza kwephampu kawoyela yezimoto (ngokuvamile ebhekisela kuvalvu ekhawulela ingcindezi noma ivalvu elawula ingcindezi ngaphakathi kwephampu kawoyela) ukukhawulela ingcindezi ephezulu yesistimu yokugcoba, ukuvimbela ukulimala kwezingxenye zesistimu yokugcoba noma ukuvuza kokudlula kukawoyela ngenxa yengcindezi enkulu.
Imisebenzi ethile ihlanganisa:
Ukuvikelwa kwengcindezi ye-Youdaoplaceholder0 : Lapho ijubane lenjini landa noma i-viscosity kawoyela wenjini ishintsha, ingcindezi yokukhipha yepompo kawoyela ingadlula ibanga eliphephile (njenge-0.6MPa). Ivalvu ekhawulela ingcindezi izovuleka ngokuzenzakalelayo, futhi ingxenye kawoyela wenjini izobuyela emuva endaweni yokungena yepompo kawoyela ngesiteshi sokukhulula ingcindezi ukuze kugcinwe ingcindezi eyinhloko yokuhamba kukawoyela ngaphakathi kwebanga eliphephile elingu-0.18-0.35MPa.
Ukuqina kwesistimu ye-Youdaoplaceholder0 : Ngaphansi kwezimo zokusebenza ezingavamile njengezihlungi zikawoyela ezivalekile, i-valve enciphisa ingcindezi ingenza kusebenze umsebenzi we-bypass, ivumele uwoyela ongahlungiwe ukuthi ungene ngqo endaweni kawoyela, iqinisekise ukuthi izingxenye ezibalulekile (ezifana nama-crankshaft nama-turbocharger) zithola ukugcotshwa okuyisisekelo futhi zigweme ukungqubuzana okomile.
I-Youdaoplaceholder0 Ukulawulwa okunamandla : I-valve elawula uwoyela yamanye amamodeli esimanje ilungisa ingcindezi kawoyela ngesikhathi sangempela ngezindlela ze-electromagnetic, isebenza ngokubambisana neyunithi yokulawula injini (ECU) ukuze ithuthukise ukusebenza kahle kokugcoba kanye nokulawula uhlelo lokusekela njengokushintshashintsha kwesikhathi kwe-valve.
Uma le valve ingasebenzi kahle, ingabangela umfutho kawoyela ongajwayelekile (kungaba phezulu kakhulu noma phansi kakhulu), okuholela ezinkingeni ezifana nokuma, amandla anganele noma ukuguguleka kwezingxenye. Kudingeka ukulungiswa ngesikhathi esifanele.
Ivalvu yokulawula ukugeleza kwephampu kawoyela yezimoto (eyaziwa nangokuthi ivalvu yokulawula uwoyela noma ivalvu ye-solenoid yephampu kawoyela) iyisici esibalulekile ohlelweni lokugcoba injini, olunesibopho sokulawula ukugeleza kokukhipha kanye nokucindezela kwephampu kawoyela. Uma le valve ingasebenzi kahle, izoqala uchungechunge lwemisebenzi yenjini engavamile. Lokhu okulandelayo kuyizibonakaliso ezivamile zamaphutha:
I-Youdaoplaceholder0 Ubunzima ekuqaliseni injini noma ukuma okungazelelwe ngenkathi ushayela : Ukungasebenzi kahle kwevalvu yokulawula uwoyela kungabangela ukuthi ingcindezi kawoyela yehluleke ukusimama ngendlela evamile, okuholela ekungagculisi ngokwanele lapho uqala injini noma ukuma okungazelelwe ngesikhathi sokusebenza.
I-Youdaoplaceholder0 Umfutho kawoyela ongajwayelekile : Amaphutha angabangela ukuthi umfutho kawoyela ube phezulu kakhulu noma uphansi kakhulu. Uma umfutho kawoyela uphezulu kakhulu, izinkinga ezifana nengxube ecebile ngokweqile, intuthu emnyama evela epayipini lokukhipha umoya, kanye namandla anganele zingase zenzeke. Umfutho kawoyela ophansi ungaholela ekusetshenzisweni ngokushesha kukawoyela wenjini kanye nomsindo wenjini owandisiwe.
Ukwehla kokusebenza kwamandla kwe-Youdaoplaceholder0: Imoto inesivinini esibuthakathaka, impendulo ye-throttle ecothayo noma i-jolt uma isheshisa ngokushesha. Lokhu kungenxa yokuphakelwa kukaphethiloli okungazinzile okuvela kuphampu kawoyela, okuthinta ukuphuma kwamandla enjini.
I-Youdaoplaceholder0 Umsindo nokudlidliza okungajwayelekile : Injini ingakhipha umsindo wokuvungazela oqhubekayo noma umsindo wangaphakathi ongajwayelekile, ohambisana nokudlidliza okungasebenzi noma ukudlidliza kwenjini ngesikhathi sokushayela. Lokhu kungenxa yokungqubuzana okungajwayelekile kwezingxenye okubangelwa ukugcotshwa okungekuhle.
I-Youdaoplaceholder0 Ukusetshenziswa kukaphethiloli okwandisiwe kanye nesibani sesixwayiso esikhanyayo : Ukunikezwa kukaphethiloli kungase kungalungi ngenxa yezinkinga zokucindezela kukaphethiloli, okuholela ekusetshenzisweni kukaphethiloli okwandisiwe; Okwamanje, iyunithi yokulawula injini izobona okungavamile bese ikhanyisa isibani sephutha (njengesibani sephutha senjini).
Uma kuvela izimpawu ezingenhla, kunconywa ukuthi injini ihlolwe futhi ilungiswe ngesikhathi ukuze kugwenywe umonakalo owengeziwe enjinini. Lapho kwenziwa ukuhlolwa, kufanele kuqashelwe kakhulu umfutho kawoyela, isimo sohlelo lukaphethiloli kanye nesimo sokusebenza sevalvu yokulawula uqobo.
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