Izinkinga Ezizimele Ngamavalve e-VVT Nokuzikhipha

Ukuthi indlela eya ngayo indawo yomkhakha we-VVT iyakhulisa ubukhulu bomoto

Indlela yomkhakha we-VVT ekwenzeni ukulinganisa isikhathi sokufuna kwesikhombisa esikhulu kusukela kuqinisekisa ukuthi umoto ushalela kanjani futhi ukuthi kuyisiphi isimo sokusebenza

I-VVT ibhekisana ne-Variable Valve Timing, futhi lokho okwenza ngalo isistimu kukuthintela indawo yomshini wokuphakama ngokwezinkinga zokubhala kwe-engine nokuthi kuyaphakamisa njani. Isifundo esikhulu kukuthola ukuthintela okuhle kusuku kufika kwe-air kanye nokushiywa kwesikhathi sokuphakama kwe-engine. Isistimu senza ngokuthintela umsindo wemithi yomshini kulezi zinkambo ezincinci zomshini wokuphakama ngokusebenzisa isolenoyidi, ekuvumelana ukuthi izivali zivulwe nasezibhalwe ngexaki elilidingekile. Lezi zithintelo zenza ngexaki elilidingekile, okungakhetha ukuthi kuzoba kubheka kahle ukuthi inkambo yemithi iyaburna ngendlela efanele kwi-cylinders yomshini ngokwesikhathi, okunquma ngokugcina amashumi amabili nambili (12%) kunezindawo ezingaphansi kwezindawo zokuphakama ezihlukene. Uma umuntu uvula i-accelerator ngokuchaza, isistimu ye-VVT ithintela isikhathi sokuvula kwe-intake phambili ukuze kufikelela amanzi angaphezulu kusuku kwe-acceleration. Kodwa uma umoto uyaphakama kuphela ngokuphakama, isikhathi sokuvula kususwa kancane ukuze kubhekiswe ukuthi kuyaphakama kahle futhi ukungabhekisi ukuthi kuyaphakama ngokuchaza.

Ukuthintela kwezikhathi zokuvula ngokuphelele kumkhakha we-fuel economy nesikhathi sokuthumela amandla

Izisifundo se-VVT zezinsuku zingakwazi ukuthuthukisa ukusebenza kwezilwane ngokuphakeme kusukela ku-5 ku-7 izigaba, futhi zingabeka ubunzima be-torque ngokuphakeme kusukela ku-8 ku-10 izigaba kuzo zonke izivinini sezinhlobo zemoto. Uma abahleli bavumela ngezikhathi zokuvula nokufuna kwamaphoyinti, lokhu kunciphisa izihydrocarbon ezingafanwanga ngokuphakeme kusukela ku-18 izigaba futhi kunciphisa izimithi ze-NOx ngokuphakeme kusukela ku-25 izigaba. Lezi zizindlela zokuthuthukisa zingaba yizinto ezikwenza imoto ikhiphele amadoda ase-Euro 6 ne-BS-VI. Isidingo esinye esikhulu kukuthi abahleli bengena emoto enkulu yamaphoyinti emfushane emzansi kwezinye lezinto ezinkulu kodwa bafika ekubeni bafana nazo. Lokhu kuthabatha ukuthuthukisa kwebunzima be-power ngokuphakeme kusukela ku-15 izigaba ngokuphakeme, ngokuphakeme kwezinye izinto zokusebenza kwezinsuku zonke.

Amaphenomena okufa kwezivalve ze-VVT noma isolenoid

Ukuphuma kwezindawo, ukuphuma kwezindawo, nokungafaneleka kokuphuma kwezindawo ngokufa kwe-VVT

Ivali le-VVT elingavumeleki kusho izinkinga zokusebenza kwemotora, kufaka kuwo ukusebenza okungafanele kwe-idle, ukuphuma kwezinkinga ngaphandle kokuthanda, noma ukuzimela okungasemthwakweni we-throttle. Lezi zinkinga zibonakala xa umsindo wamafutha ekuseni kwe-VVT kuhlukunyezwa, okuvikela ukuguqula kwezikhathi zokuvula ngokuphelele.

Ukubhiza Kwemotora, Izinkumbu Zokutshisa, Nokuphakama Kwezimali Zokufutha

Izinkumbu zokubhiza noma zokutshisa zihlukumeza ukuthi ivali le-VVT libhekise kakhulu. Ukuzimela okungasemthwakweni kwemithwakwi kuvikela umsebenzi wemotora ngendlela engafanele, okuphakamisa izimali zokufutha ngaphezu kwe-15% emazinkingeni amakhulu. Lokhu kungafanele kuvikela izihluzi zokugqula nezihluzi zokuvula, okuphakamisa ukubhekisana kwezinye izinqubo.

Isibonelo Sokuchekwa Kwemotora Namasimu Okuchekwa Okufanayo Nezinkinga Zase-VVT (DTCs)

Izinkinga zokusebenza kwe-VVT ezikhona ngokuphakeme zibiza ilight yokuchekwa kwemotori futhi izindlela zokubhalwa zezinkinga (DTCs) zihlukene njenge-P0010 (izinkinga zocircuit wokusebenzisa) noma P0011 (isikhathi sokuvula kakhulu), esibonisa ukungasebenzi kwelektrikhu noma kwezinhlobo zokusebenza kwevalve noma solenoid. I-oli ekhuselekileyo ibizwa ngokuthi yisilingo sezinkinga zokusebenza kwe-VVT ngamaphesenti angu-62, ngakho abatekhnisheni bahlola isimo se-oli kabefore ukufaka izinkomo eziphinda zizihle.

Ukuhlolwa Kweminyathelo Yokusebenza Kwe-VVT: Izinketho Nezindlela

Ukusetyenziswa Kwesikrineri Se-OBD2 Ukuhlonza Izindlela Zokubhalwa Zezinkinga (DTCs) Njenge-P0010, P0011, P0340, Noma P0299

Koduku kufuna ukuthi kungani okubi kwezinhlelo zokuguqula isikhathi sokuvula kwemithambo, abasebenzi bavula ngokwesibonelo ukubeka i-OBD2 scanner ukuze bafumane lezi zikodi ze-ECM kusukela kumbhali wemoto. Kunezinkodi zokugcina eziphakeme kakhulu ezifana nezinkodi zokuguqula isikhathi sokuvula kwemithambo. Sizibiza izinkodi zika-P0010 ozokuthi kunezinkinga nesikhombisa sesikhathi sokuvula kwemithambo esebenzisa umkhombisa wokuvula, emva koko kukho i-P0011 ozokuthi isikhathi sokuvula kwemithambo sivela phambili kakhulu, futhi ekugcineni kukho i-P0340 yezinkinga nesikhombisa sesikhathi sokuvula kwemithambo. Ngokwesicabango esasenqaba lapho kusenqaba ngeminyaka eyadlule kubhekiswe eminyakeni engu-1,200 yezindlela zokusebenza, lezi zinkodi zokugcina zihlala ziyasho ukuthi kunezinkinga nezivali zokuguqula isikhathi sokuvula kwemithambo noma izisolenoyidi ngemibili yamathathu yezikhathi lapho abadrayivha bakhuluma ngezinkinga eziphakeme zokusebenza kwezinto zabo.

Ukuzimisa Kwemithambo, Ukubheka Ngokwesibonelo, nokuzimisa Kwemithambo Yomthwalo Wemithambo Yomthwalo Wemithambo

Nakwaqhubeka kuzo izikodi zokuhlola, abatekisi bahlala bavula iziphulo ezizimangaliso kwanoma kahle. Bahlola ukuphambana kwesifunda sokuqondisa kwezisolenoyidi, okufanele kube phakathi kwe-6 ne-14 ohms ngokujwayelekile. Kuyafanele nako ukubhalwa kwebhresha yemoto futhi, kufanele ikhuphe isibonelo sokubhala kwe-25 psi xa imoto iyadlala ngokushesha ukuze iziphulo zasemphakathini zisebenze ngendlela efanele. Ungamthabatheli ukubuka kusukela kumshayimane owenziwe ngomshayimane kwiindawo zonke kanye nesikhundla esihlukile kwezinhlobo zezithwashi. Ngokwesicatshulwa esitsha esaseyilanga elidlule, ngokujwayelekile isithathu sezinye zezingxenye zezinkinga zokuhlunga kwe-Variable Valve Timing (VVT) zihlolwa ngokungafanele ngoba abasebenzi babonile ububi bezibhresha. Lokhu kuyisibonelo sokuthi kufanele sihlolwe kabusha ukuthi ibhresha iyakwazi ukufufana nemikholo yomthengisi ngaphambi kokutshintsela izinto ezingafanele.

Izizindlela Zokubhekwa Kweminye Yezinkulungwane Zokuhlunga Kwe-VVT Nokugcina Kwezisolenoyidi

Ukubhekwa Kwesibhresha Nokubhekwa Kwesibhresha Esincane Kukhupha Umsebenzi Wokuhlunga Kwe-VVT

Ukuphakanyiswa kwe-Engine oil kuyisibonelo esikhulu sokufa kwezinhlelo zokuguqula i-VVT esibona kumagumbi. Uma i-oil iphela ngemva kwezinsuku noma amafiltara akavunyelwe ngendlela efanele, isludge sibulawa futhi sibuka izindlela eziphakathi kwebhodi yovalve. Lezi zindlela zinezidingo zokubhalwa kusukela kumilinganisi wemitha yehalf kuya kumilinganisi wemitha enye, ngakho ke noma yizinto ezingaphansi kakhulu zingasusa ubunikazi bezimilo zokushaya kwe-hydraulic ngendlela efanele — ngamaphuzu angu-40 ngokulinganisa kwethu. Kufana kanjani ekugcineni? Izinhlelo zingazihamba ngendlela efanele izincamsha zezinkampani lapho kudingeka. Abadrayiva bahlala bathola lokhu njengokuba ukuphakama kuyaphakama kancane noma ukuzihamba kwe-idling kuyabhekana ngendlela eyingenabizo. Futhi izinto ziyagcina kuncane uma ubunikazi bezimilo zokushaya kwe-oil bukhula emphakathini. Amaphumpu abhebheni, izihluzi zewater, noma ukusebenzisa i-oil engenakho umkhondo wokusebenza ziyakwenza lokhu. Abamekhaniki bahlala bahlala bafuna lezi zinkinga ngoba ubunikazi obungapheleli buyahlela indlela okufanele izi-actuators zihambise ngemva kwezinguquko zokushaya kwezinsuku.

Amaphutha Elexishe nekuphatha kwezinkinga zokuchitha kwezinkinga zokuchitha okubangela ukungafani kwezinkinga zokufana

Ngamaphutha amashumi amabili nesikhombisa ema-40 yezinkinga zokufana ziyagcina ngamaphutha elexishe. Uma uvolti uphuma ngaphezu kwe-9 volts ekupheleni kokugxila, izinkinga zokufana azifane kahle. Ukuchitha kuyisidingo esikhulu futhi. Amathimba angachitha kakhulu ngamanye amadra, ngaphezu kwe-250 degrees Fahrenheit noma ngaphezu kwe-121 Celsius, futhi lokhu kuchitha izihluzi zokuchitha ezincane zokufana nezicabha zokuchitha zokuchitha. Uma ubembelela izivibhro ezinconywa kwezinkinga zokufana, izihluzi zizobhekwa. Zonke lezi zizinga zizokubangela ukuthi izinkinga zokufana zifane kuphela kuhlanganisa. Abasayensi bafunda izikodi zokuvavanya zokufana njenge-P0011 lapha kusenzeka lokhu ngoba izisignali zizohamba kude kunezinye ukuze zifane kahle.

Ukusebenzisa nokulungisa: Ukucisha, Ukubuyisela, nokuhlenga Izinkinga Zokufana

Ukuvavanya nokucisha Izinkinga Zokufana Ezinconywa Ukuze Kuphinde Kukhona Ukuvula Kwamafutha

Kunye ngezikhathi eziningi, iziproblemi nezisolenoyidi ze-VVT ziyagqibela ngokuphakanyiswa kwezilwane noma umnyama owenziwe yizinto ezingafihliyo ekhona emaphakathini amancane. Uma abatekisi bavona izikhowudi eziyasho ukuthi kukhona iziproblemi nezisolenoyidi ze-VVT kweziscaner zabo ze-OBD2, bahlukisa isolenoyidi futhi bafaka umsebenzi wokuchitha kahle. Umchitho wezicaburetor uyasebenza kahle loku. Ukuvumela ukuthi uhlale kusuka ku-15 ku-20 miniti kusiza ukuthi izilwane ezingafihliyo zihlale kahle, emva koko ukuthi ubhalela ngomoya ophakanyisiwe kusiza ukuthi zihlale kahle. I-manual yekusebenzisa i-Foxwell ibheka into ethile enjalo—idatha yabo ibonisa ukuthi lokhu kuchitha kusiza kuhlanu kwezinye zezinguquko zokubhala kahle ngaphandle kokufuna iziparti ezintsha. Uma konke kubonakala kuchithwe kahle, ukwenza umkhondo wemvume yokhothama kusiza ukuthi sibone ukuthi konke kuyadlula kahle futhi ngendlela yayo.

Isigaba-Ngasegaba Isigaba Sokubuyisela Isolenoyidi Se-VVT Yokuqonda Ngokwakho

Koduku uyabuyisa isolenoyidi esingasolwanga, kusukela kubeka lezi zinto ezibalulekile: isokheti esinezimithi eziyisikhombisa 10 mm, i-torque wrench, nokhanda okusha. Qalani ukusebenza ngokuvulula ibhayithari yomoto ukuze ube nomphilo, emva koko vula isikrini sesandla sokumshaya ukuze sibone konke kahle. Isinyathelo esilandelayo kukuvulula isikhungo sesilungu sesandla sokumshaya esidala. Sihlanganise isibhakabhaka sokufaka kwezinkambo ngokucaphunga futhi, kuzoba nesikhumbuzo esikhulu ukungavulwa izinto zokugcina kumazwi okuphakathi kwezindawo zokuhlanza okunokubangela imiphumela emibi emangalisayo emuva kwalokho. Faka isolenoyidi esisha ngokusebenzisa i-torque esiyifundisa ngokwesikhungo esivela kwezindawo zokwenza umoto, okusho ukuthi kungekafana ne-7 ku-12 foot-pounds ngokwesilinganiso, kusukela kubonakala kwezinhlobo nezinhlobo ukuze kubekhona ukuthinteka kwemithambo ekufakweni. Emva kokufaka konke kabusha, ungakhohlwa ukususa amacode asezingeni lokuchaza imiphumela yokuhlukanisa. Ekugcineni, yenza umshayeli wokuphakama kahle ukuze ubone uma izinkinga zokuhlukanisa kwezindawo zokuhlukanisa noma ukuphakama okusheshayo zizohamba manje.

Izindlela Zokuvikela: Umkhakha Wokuhlanza, Ukuguqula Amashilongo, Nokuphatha Izinqakambo Zokujonga

Ukuguqula ku-oli yezifunda zonke esiyakhiwe ngokupheleleyo kwe-APISP/SN Plus ikhupha ukuthi kubhekwe phansi kwamaphuzu okugcina amaphuzu ngeminyaka engu-40% uma kuchazwa nge-oli yomoto eyisiphephelo. Lokhu kuyinto enkulu ekugcineni amoto emkhathi wokusebenza ngaphandle. Abamekhaniki bavumela ukuthi ubuye ubuye olwazi lwami ngamaphuzu ngeminyaka engu-5,000 ku-7,500 miles, futhi ubheke kancane izivalo ze-VVT ngamaphuzu okugcina amaphuzu ngeminyaka ngokuzenzakalelayo. Kanti ungakhohlwa ukubheka kancane ngeminyaka engu-30,000 miles futhi. Ukubona okwanqoba kwezinkinga njengezinkambo zokugcina okungafanele noma izinkinga zezikhombisa zokugcina kwezikhombisa zokugcina kuzosusa imali engu-milioni ngokugcina kwezinkinga kusasa. Abaningi bakhothama ukuthi kuyisiphephelo sokugcina okuhle kuyabangena kahle ngeminyaka.

Imibuzo Evame Ukubuzwa

I-VVT valve iyiphi na futhi isebenza kanjani?

I-VVT valve, noma i-Variable Valve Timing valve, iyasebenza ngokuvumela ukuthi umoto usenzi ngokupheleleyo ngokuguqula izikhombisa zokugcina ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokupheleleyo ngokuphele......

Izinkinga zokugcina zezikhombisa zokugcina ziyini?

Izinqumo eziningi ziyinkimbinkimbi yokuphuma kwe-engine, ukuphula kwezindawo zokuphula kwezindawo, ukuphula kwezindawo zokuphula kwezindawo, ukuphula kwezindawo zokuphula kwezindawo, nokuvulwa kwesibonelo sokujabula kwe-engine.

Ngingakwenzeni njani ukuthola izinkinga zami zesistimu ya-VVT?

Sebenzisa isikhangeli sa-OBD2 ukuqondisa amakholi okuthola izinkinga. Yenza izilinganiso zokuphula kwezindawo zokuphula kwezindawo, izibonelo zokubona ukuthi kunezindawo zokuphula kwezindawo, nokuzilungiselela ukuthi kunezindawo zokuphula kwezindawo.

Yini okubangela ukungafaneleka kwezivalvi nezisolenoyidi za-VVT?

Ukungafaneleka kuyasekwa ngokuphula kwezindawo zokuphula kwezindawo, ukuphula kwezindawo zokuphula kwezindawo, izinkinga zokuphula kwezindawo, noma ukuphula kwezindawo okubangela ukungafaneleka kwezindawo.

Ngingakwenzeni njani ukukhathala izinkinga zesistimu ya-VVT?

Qinisekisa ukuthi ukubuyisela izindawo zokuphula kwezindawo ziyasebenza kahle, sebenzisa izindawo zokuphula kwezindawo eziningi zokuphula kwezindawo, qinisekisa ukuthi ukubuyisela izindawo zokuphula kwezindawo ziyasebenza kahle, futhi uzilungiselele ngokuphula kwezindawo zokuphula kwezindawo.