Ukukhumbula i-valve ye-EGR Ingabe kuyadingeka ukushintshwa?
Umsebenzi we-valve ye-EGR kanye nomthelela womonakalo.
I-valve ye-EGR (i-Exhaust gas recirculation valve) iyingxenye ebalulekile yokulawula yenjini yezimoto, efakwa enjinini ukuze ilawule inani legesi ephumayo ephumayo ebuyiselwa ohlelweni lokuyithatha. Uma i-valve ye-EGR ilimele, izoholela ezinkingeni ezifana nesivinini sokungenzi lutho esingazinzile, ukusheshisa okungekuhle, ukukhuphuka kokusetshenziswa kukaphethiloli, namandla anganele. Isizathu sokukhumbula ngokuvamile kungenxa yokuthi izingxenye zangaphakathi ze-valve ye-EGR zigqwalile ngokugxila okuphezulu kwe-chlorine kuphethiloli, okuholela ekusebenzeni kabi komzimba we-valve, okungabangela ukungasebenzi kahle kwenjini, futhi ezimweni ezimbi kakhulu, imoto ingamisa. ngesivinini esiphansi, okwandisa ingozi yokuphahlazeka.
Izizathu kanye nesidingo sokukhumbula
Isizathu sokukhumbula ngokuvamile kungenxa yokuthi izingxenye zangaphakathi ze-valve ye-EGR zigqwalile ngokugxila okuphezulu kwe-chlorine kuphethiloli, okuholela ekusebenzeni kabi komzimba we-valve, okungabangela ukungasebenzi kahle kwenjini, futhi ezimweni ezimbi kakhulu, imoto ingamisa. ngesivinini esiphansi, okwandisa ingozi yokuphahlazeka. Ngakho-ke, ukushintshwa ngesikhathi kwe-valve ye-EGR kuyisinyathelo esibalulekile sokuqinisekisa ukusebenza okuvamile kwenjini nokuphepha kokushayela.
Izinzuzo nezingozi zokushintsha i-valve ye-EGR
Ukushintsha i-valve ye-EGR kungaqinisekisa ukusebenza okuvamile kwenjini, kugweme izinkinga ezifana nesivinini esingazinzile sokungenzi lutho nokusheshisa okubi, futhi kunciphise ukusetshenziswa kukaphethiloli namandla anganele. Nokho, ukufaka esikhundleni se-valve ye-EGR kudinga izindleko ezithile nesikhathi, futhi kungase kudingeke uma imoto isinesikhathi eside isetshenziswa noma inamamayela amaningi; Kodwa-ke, uma imoto isetshenziswa isikhathi esifushane noma inamamayela amancane, ungacabangela ukuqhubeka nokusebenzisa izingxenye zangempela ukuze ulungiswe.
Iyini i-valve ye-egr?
I-valve yokuvuselela igesi ephumayo
I-valve ye-EGR iyi-valve yokukhipha igesi ephumayo futhi. Iwumkhiqizo wokuhlanganisa i-electromechanical ofakwe enjinini kadizili ukuze ulawule inani legesi ephumayo ekhishwa kabusha ebuyiselwa ohlelweni lokuyithatha, futhi iyingxenye ebaluleke kakhulu nebalulekile emshinini wokukhipha igesi ephumayo kabusha. .
Umsebenzi oyinhloko we-valve ye-EGR ukulawula inani legesi ekhishwayo engena endaweni eningi ewukhiphayo, ukuze inani elithile legesi yokukhipha ligeleze lingene endaweni eningi ukuze liphinde lijikelezwe. Ivamise ukutholakala ngakwesokudla se-manifold edonsayo, eduze komzimba we-throttle, futhi inquma inani legesi ephumayo edluliswa ku-multifold intake ngezinga lokuvuleka kwe-valve elawulwa yishubhu ye-vacuum. Ngokuqondisa igesi ye-exhaust isuka entuthukweni yokushiswa kwenjini iye endaweni eningi ukuze ibambe iqhaza ekushiseni, i-valve ye-EGR inganciphisa izinga lokushisa legumbi lomlilo, ithuthukise ukusebenza kahle kwenjini, ithuthukise indawo evuthayo, futhi inciphise umthwalo wenjini. Ngesikhathi esifanayo, inganciphisa ngempumelelo ukukhishwa kwe-carbon monoxide compounds, ukunciphisa ukungqongqoza, nokwandisa impilo yesevisi yengxenye ngayinye.
Ngaphezu kwalokho, ama-valve e-EGR nawo ahlukaniswe abe izinhlobo ezimbili zokulawulwa komshini kanye ne-elekthronikhi ukuze azivumelanise nezidingo zezinjini ezahlukene. Enjinini yesimanje elawulwa nge-elekthronikhi, ukuze kulawulwe ngokunembe kakhudlwana inani legesi ephumayo ephumayo kabusha, kwamukelwa isu lokulawula iluphu evaliwe, futhi inzwa yesigaba isethwe ku-valve ye-EGR ukuzwa isimo sokusebenza kwenjini ngempela. isikhathi, futhi ngokusho kwalolu lwazi, i-valve ye-EGR ilungiswa ukuze ivuleke futhi ivalwe, ukuze kuzuzwe ukulawula okunembile kwenani le-exhaust gas recirculation.
I-valve ye-egr yemoto iphukile inaluphi uphawu?
Yiziphi izimpawu ezisobala ongase ube nazo lapho i-valve ye-EGR yemoto yakho ihluleka?
I-valve ye-EGR, i-valve yesistimu ye-exhaust gas recirculation, uma inephutha, imoto izovela uchungechunge lwezimpawu eziyisixwayiso. Okokuqala nje, ukungenzi kahle kokungenzi lutho noma ngisho nomlilo kuyinto evamile, futhi isibani esinephutha singakhanyisa njalo ukuze sikukhumbuze ukuthi unake isimo senjini. Okwesibili, ngenxa yokuthi ukwehluleka kwe-valve ye-EGR kungase kuholele ekukhishweni kwezinga eliphansi, imoto ingase ibhekane namahloni okwehluleka ukuphumelela ukuhlolwa kwaminyaka yonke.
Uma i-valve ye-EGR igcinwa ivulekile, imiphumela ibaluleke nakakhulu: imoto izobonisa umusi omnyama nokuntuleka kokusheshisa, kuyilapho ukusebenza kahle kukaphethiloli kuncipha futhi ukusetshenziswa kukaphethiloli kwanda. Ngokuphambene nalokho, uma i-valve ye-EGR ivaliwe, ukukhishwa kwegesi kuzothinteka futhi kungase kuholele ngokuqondile ekuhlulekeni ukudlulisa izindinganiso zokuhlola zokuhlola kwaminyaka yonke.
Ngokuqondene nezimbangela zokulimala kwe-valve ye-EGR, kunezici ezimbalwa ngokuyinhloko: izinkinga zekhwalithi yesistimu ye-gas recirculation, ukugcinwa okungalungile, izinga eliphansi likawoyela kanye nokuguga kwe-valve ngokwayo. Isibonelo, ukusetshenziswa kukaphethiloli ongahlanzekile noma ukungezwa okungafanele kwamafutha kaphethiloli kungaba yinto ezumayo ebangela ukwehluleka kwe-valve ye-EGR. Amavalvu e-EGR asebenza emazingeni okushisa enjini aphezulu, futhi ngokuhamba kwesikhathi, njengamaphedi ekhava yegumbi le-valve namaringi enjoloba, azoguga ngenxa yokugqoka.
Sekukonke, impilo ye-valve ye-EGR ibalulekile ukuze kugcinwe ukusebenza kwenjini kanye nokukhishwa kwemvelo, uma izimpawu ezingenhla sezitholakele, ukunakekelwa kochwepheshe kufanele kufunwe ngokushesha ngangokunokwenzeka ukuze kuqinisekiswe ukuthi ukuphepha kokushayela kanye nezidingo zemvelo kuyahlangatshezwana nazo.
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