Isebenza njani i-exhaust phase regulator?
Umgaqo wokusebenza womlawuli wesigaba sokukhupha umoya ikakhulu kukufakelwa kwentwasahlobo yokubuyisela umoya, icala lentshukumo lichasene necala lentshukumo yokubuyisela umoya ye-camshaft, ukuqinisekisa ukuba umlawuli wesigaba sokukhupha umoya unokubuyela ngendlela eqhelekileyo. Kwindlela esebenza ngayo injini, ngotshintsho oluqhubekayo lwemeko yokusebenza, isigaba se-camshaft kufuneka sihlengahlengiswe rhoqo, kwaye intwasahlobo yokubuyisela umoya iya kujikeleza ngokutshintshana ngohlengahlengiso lwesigaba. Olu hambo lunokukhokelela ekuqhekekeni kokudinwa kwentwasahlobo yokubuyisela umoya, ngoko ke kuyimfuneko ukuvavanya uxinzelelo oluphezulu oluveliswa yintwasahlobo yokubuyisela umoya xa usebenza ukuze kuchongwe ukhuseleko lokudinwa kwentwasahlobo.
Umgaqo osebenzayo wolawulo lwesigaba sokukhupha umoya ubandakanya ingcamango yesigaba sevalvu yenjini, oko kukuthi, ixesha lokuvula nokuvala kunye nobude bokuvula kweevalvu zokungenisa kunye nezokukhupha umoya ezimelwe yi-crankshaft Angle. Isigaba sevalvu sidla ngokumelwa ngumzobo ojikelezayo we-crank Angle xa kuthelekiswa neendawo ze-crank eziphakathi ezifileyo eziphezulu nezisezantsi, ezinokubonwa njengenkqubo yokuphefumla nokuphefumla umzimba womntu. Umsebenzi ophambili wendlela yevalvu kukuvula nokuvala iivalvu zokungenisa kunye nezokukhupha umoya zesilinda nganye ngokwexesha elithile, ukuze kufezekiswe yonke inkqubo yonikezelo lomoya wesilinda yenjini.
Kwizicelo zobugcisa ezithile, ezifana netekhnoloji ye-VTEC, ngokulungiswa okukrelekrele kwenkqubo yolawulo lwe-elektroniki, inokufezekisa ukutshintshwa ngokuzenzekelayo kwamaqela amabini ee-valve drive cams ezahlukeneyo ngesantya esiphantsi nesantya esiphezulu, ukuze ivumelane neemfuno zeemeko ezahlukeneyo zokuqhuba ukuze injini isebenze. Umgaqo osebenzayo we-VTEC kukuba xa injini iguqulwa ukusuka kwisantya esiphantsi ukuya kwisantya esiphezulu, ikhompyutha ye-elektroniki ikhokela ngokuchanekileyo uxinzelelo lweoyile kwi-intake camshaft, kwaye iqhube i-camshaft ukuba ijikeleze ibuyele umva kuluhlu lwama-60 degrees ngokujikeleza kwe-turbine encinci, ngaloo ndlela itshintsha ixesha lokuvula kwe-intake valve ukufezekisa injongo yokulungisa ixesha le-valve rhoqo. Le teknoloji iphucula ngokufanelekileyo ukusebenza kakuhle kokutsha, yonyusa amandla okukhupha, kwaye inciphisa ukusetyenziswa kwepetroli kunye nokukhutshwa kwegesi.
Yintoni indima yomlawuli wesigaba sokukhupha umoya?
Umsebenzi ophambili womlawuli wesigaba sokukhupha umoya kukulungisa isigaba se-camshaft ngokweenguqu kwiimeko zokusebenza kwenjini, ukuze kulungiswe umthamo wokungenisa umoya kunye nokukhupha umoya, kulawulwe ixesha lokuvula nokuvala kunye ne-Engela yevalvu, kuze kuphuculwe ukusebenza kakuhle kokungenisa umoya kwenjini, kuphuculwe ukusebenza kakuhle kokutshisa, kwaye kwandiswe amandla enjini.
Umlawuli wesigaba sokukhupha umoya uyayiqonda indlela esebenza ngayo injini ngokusebenzisa umgaqo wayo wokusebenza. Kwindlela yokusebenza, xa injini icinyiwe, umlawuli wesigaba sokungenisa umoya ukwindawo esezantsi kakhulu, kwaye umlawuli wesigaba sokukhupha umoya ukwindawo ephezulu kakhulu. I-camshaft yenjini ijikeleza kwicala lokulaxa phantsi kwesenzo se-torque ehamba phambili echasene newotshi. Kwi-exhaust phase regulator, indawo yayo yokuqala ikwindawo ephezulu kakhulu, ngoko ke i-camshaft torque kufuneka yoyiswe ukuze ibuyele kwindawo yokuqala xa injini imisiwe. Ukuze umlawuli wesigaba sokukhupha umoya abuyele ngokwesiqhelo, kufakwa i-return spring kuyo, kwaye i-torque yayo ichasene necala le-torque ehamba phambili ye-camshaft. Xa injini isebenza, ngotshintsho oluqhubekayo lwemeko yokusebenza, isigaba se-camshaft kufuneka sihlengahlengiswe rhoqo, kwaye i-return spring iya kujikeleza ngokutshintshana ngokulungiswa kwesigaba. Olu qheliselo lunceda ukuphucula ukusebenza kwenjini, kubandakanya amandla anyukileyo, i-torque kunye nokunciphisa ukukhutshwa okuyingozi .
Ukongeza, uyilo kunye nokusetyenziswa kwezilawuli zesigaba sokukhupha umoya kubandakanya ukuthotyelwa kwemigaqo yokukhupha umoya wenjini. Umlawuli wesigaba se-camshaft usetyenziswe kakhulu kwinjini yepetroli ngolawulo olungqongqo lokukhupha umoya wemoto. Ngokulungisa rhoqo i-Angle yevalvu egqubanayo, umlawuli wesigaba se-camshaft unokulawula ngokuguquguqukayo nangokufanelekileyo ukusebenza kakuhle kokunyuka kwamandla enjini kunye nobungakanani begesi eseleyo yokukhupha umoya kwisilinda, ngaloo ndlela kuphuculwe ukusebenza kwenjini kwaye kuncitshiswe ukukhutshwa komoya okuyingozi.
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