Yintoni ivalvu yokulawula ioyile yemoto
Ivalvu yokulawula ioyile yeemoto (ivalvu ye-OCV) yinxalenye ebalulekileyo yenkqubo yokuthambisa injini, esetyenziselwa kakhulu ukulawula ngokuchanekileyo isigaba sevalvu yenjini kunye noxinzelelo lweoyile, ukuze kuphuculwe ukusebenza kwenjini kunye nokonga amafutha.
Inkcazo kunye nomsebenzi
Ivalvu yokulawula ioyile (ivalvu ye-OCV) yenziwe kakhulu ngumzimba wevalvu (kuquka i-solenoid coil kunye nesixhumi se-control module), ivalvu yesilayidi kunye nentwasahlobo yokubuya. Umgaqo osebenzayo kukulawula amandla kunye nokucima i-electromagnetic coil ngokusebenzisa isignali ye-pulse modulation enikezelwa yiyunithi yokulawula injini (ECU), uze emva koko uvelise i-magnetic field ukulawula intshukumo yevalvu yesilayidi, ukuze kutshintshe rhoqo ubudlelwane bexesha phakathi kwe-crankshaft kunye ne-camshaft, ukuze kufezekiswe ulawulo lwesigaba sevalvu olungcono kakhulu.
Ngolu hlengahlengiso, iivalvu zokulawula ioyile zinceda ekwandiseni ukusebenza kakuhle kwenjini, ukuphucula uzinzo olungasebenziyo, ukunika i-torque namandla amakhulu, ngelixa zikwaphucula ukonga amafutha kunye nokunciphisa ukukhutshwa komoya.
Uhlobo kunye nesakhiwo
Iivalvu zokulawula ioyile zinokwahlulwahlulwa zibe ziindidi ezimbini: iivalvu zokulawula ioyile kunye neevalvu zokukhusela. Umsebenzi ophambili womlawuli woxinzelelo kukulawula uxinzelelo kwinkqubo ukuthintela umonakalo kwinkqubo yokuthambisa ngenxa yoxinzelelo oluphezulu; Iivalvu zokukhusela zidlala indima ekungaphumeleli komlawuli woxinzelelo ukuthintela ukuqhekeka kwetyhubhu ngenxa yoxinzelelo olugqithisileyo.
Ukongeza, kukho iswitshi yokulawula uxinzelelo lweoyile enxulumene nesekethe. Xa uxinzelelo lweoyile lunganelanga, iswitshi iya kuvala ize iqalise isibane se-alamu soxinzelelo lweoyile oluphantsi kwisixhobo semoto .
Indawo kunye nesicelo
Ivalvu yokulawula ioyile idla ngokufakwa kwinxalenye yesilinda yenjini, indawo ethile isemva kwe-camshaft timing pulley kumacala omabini, ngokulandelelanayo inoxanduva lwemisebenzi yokungenisa kunye neyokukhupha umoya. Ezi valve zibonakala zisilinda kwaye zineplagi phezulu edibanisa iingcingo ezimbini . Ukongeza, kukho ezinye iivalvu zokulawula ioyile ezibalulekileyo kwinkqubo, njengevalvu ekwi-cylinder body, umsebenzi ophambili kukulawula ukuhamba kweoyile kwithayile ephambili kunye ne-vvt; Enye isebenza njengevalvu yokubuyisela ioyile ukuqinisekisa ukuba ioyile inokubuyiselwa kwipani yeoyile emva kokuba imoto icinyiwe.
Umsebenzi ophambili wevalvu yokulawula ioyile yemoto kukulawula nokuthintela uxinzelelo lwenkqubo yokuthambisa injini ekubeni luphezulu kakhulu. Ngokunciphisa uxinzelelo oluphezulu lwenkqubo, ithintela uxinzelelo olugqithisileyo ekonakaliseni iindawo zenkqubo yokuthambisa kwaye ithintele ukuvuza kweoyile. Ivalvu yokulawula ioyile yenziwe yindibano yomzimba kunye nendibano ye-actuator, yahlulwe yaba luchungechunge lwezihlalo esinye, uthotho lwezihlalo ezimbini, uthotho lwemikhono kunye nochungechunge oluziqhubayo lothotho olune, uthotho ngalunye lunesicelo salo esikhethekileyo, izibonelelo kunye nokungalungi phantsi kweemeko ezahlukeneyo zokusebenza.
Indima ethile
Nciphisa uxinzelelo oluphezulu lwenkqubo: ivalvu yokulawula ioyile ngokulawula ukunikezelwa kweoyile kwimpompo yeoyile, ukuthintela uxinzelelo lweoyile kwimpompo yeoyile luphezulu kakhulu, ingakumbi ngesantya esiphezulu, ukunikezelwa kweoyile kwimpompo yeoyile kukhulu kakhulu, uxinzelelo lweoyile lunyuswe kakhulu, emva koko ivalvu yokulawula ioyile ibaluleke kakhulu.
Ukuthintela umonakalo kwizixhobo zenkqubo yokuthambisa: Uxinzelelo olugqithisileyo lweoyile lunokubangela ukuba ivalvu ye-hydraulic tasht ivale ngendlela engafanelekanga, uxinzelelo lwesilinda luyehle, kwaye lunokubangela ukuba iityhubhu ziqhume. Ivalvu yokulawula ioyile ikhusela inkqubo yokuthambisa ekonakaleni ngokulawula uxinzelelo.
Iqinisekisa ukusebenza kakuhle nokuzinzileyo kwenjini: kwinjini yokubuyisela ixesha kwivalvu eguquguqukayo, ivalvu yokulawula ioyile iqinisekisa ukulungiswa kwesigaba se-camshaft ngokulawula ngokuchanekileyo utshintsho lwendlela yeoyile, ukuqinisekisa ukuba injini inokufikelela kwimeko yokusebenza engcono phantsi kweemeko zokusebenza ezahlukeneyo.
Isiphumo sempazamo
Ukuba ivalvu yokulawula ioyile iyasilela, inokubangela ukuba imoto ime ngexesha lokuqhuba, kwaye uxinzelelo lweoyile luya kunyuka ngendlela engaqhelekanga, nto leyo echaphazela ukusebenza kwesithuthi, njengokuba umxube ujiyile kakhulu, umsi omnyama ovela kumbhobho wokukhupha umoya, kwaye amandla ayancitshiswa. Uxinzelelo lweoyile olugqithisileyo lunokukhokelela ekusetyenzisweni kwepetroli okwandisiweyo, ukukhutshwa kwe-exhaust okugqithisileyo, kunye nesantya esingazinzanga sokungaqhubi kakuhle, okwandisa umngcipheko wokhuseleko kunye nomthwalo wezoqoqosho wemoto. Ke ngoko, xa ivalvu yokulawula ioyile ifunyenwe inempazamo, kufuneka ijongwane nayo ngoko nangoko.
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