Iplagi Yesiponji Semoto: Isivikelo Esiyinhloko kanye Nesexwayiso Sephutha Lenhliziyo Yamandla Enjini
Ohlelweni lokusebenza olunembile lwenjini yemoto, yize i-spark plug incane ngobukhulu, ingabhekwa njenge-"key switch" yokukhipha amandla. Umsebenzi wayo oyinhloko ukuguqula ugesi onamandla aphezulu odluliselwa yi-ignition coil ube yi-spark kagesi, ukukhanyisa ingxube evuthayo esilinda, ukushayela i-piston ukuthi yenze umsebenzi, nokunikeza injini amandla aqhubekayo. Le nqubo ifana "ne-spark evutha umlilo wasendle", futhi phakathi nomjikelezo ngamunye wokusebenza kwenjini, i-spark plug idinga ukuqeda ukushisa ngesivinini sezikhathi eziyizinkulungwane eziningana ngomzuzu. Uma yehluleka, injini izokhubazeka.
Ngaphezu komsebenzi wayo oyinhloko wokusha, i-spark plug nayo yenza imisebenzi eminingi yokusiza. Ivala ngokuqinile imbobo ye-spark plug ukuze igcine ukuqina kwengcindezi ku-cylinder, ivimbele ukuvuza kwegesi yokushisa okuphezulu kanye neyokucindezela okuphezulu, futhi iqinisekise ukusebenza kahle kwenjini. Ngesikhathi esifanayo, ngokulungisa isikhathi sokusha kanye nokuqina kwe-spark, i-spark plug ingazivumelanisa nezimo ezahlukene zenjini: ukwenza ngcono ukonga uphethiloli ngesivinini esiphansi, ukuqinisekisa ukuphuma kwamandla okunamandla ngesivinini esiphezulu, njenge-"commander of combustion" enembile. I-insulator yayo ye-ceramic iphinde ibe nemisebenzi yokupholisa kanye nokushisa, engakwazi nje kuphela ukuqeda ukushisa kwe-electrode ukuze yandise isikhathi sokuphila kodwa futhi ivimbele ukushisa okuphezulu ekamelweni lokusha, idale izimo zokusebenza okuzinzile. Ngaphezu kwalokho, kufanelekile ukusho ukuthi isimo se-spark plug singabonisa ngqo impilo yenjini. Izinto ezingavamile ezifana nokufakwa kwekhabhoni kanye nokuguguleka kwenhlabathi zivame ukukhombisa amaphutha ohlelweni lokujova uphethiloli noma ukushisa okunganele, futhi kungabhekwa "njengesibonakaliso sempilo" senjini.
Kodwa-ke, i-spark plug nayo ingenye yezingxenye eziguga kalula enjinini. Uma isebenza ngaphansi kokushisa okuphezulu kanye nokucindezela okuphezulu isikhathi eside, akunakugwenywa ukuhlangana namaphutha ahlukahlukene. Okuvame kakhulu ukuguguleka kwe-electrode. Njengoba ibanga likhuphuka, igebe le-electrode lizokhula kancane kancane lisuka kumamilimitha angu-0.8-1.1 okuqala, okuholela ekubuthaka kwamandla okuthungela kanye nokusha okwanele kwengxube, okungaholela ekulahlekelweni kwamandla, ukusetshenziswa kukaphethiloli okwandisiwe, kanye nezinye izinkinga. Lapho igebe lidlula amamilimitha angu-2, lingase lihluleke ngisho nokushisa ngokuphelele, okubangela ukuntuleka kwesilinda senjini, okubonakala njengokuzamazama okukhulu ngesivinini esingenzi lutho, ukusheshisa, kanye nasezimweni ezinzima, okuhambisana nama-alamu okukhanya kwephutha.
Amadiphozithi ekhabhoni angenye "isitha" esikhulu se-spark plug. Ukungcola okubangelwa ukusha okungaphelele kukaphethiloli kunamathela ebusweni be-spark plug, kwandisa ukumelana kwe-electrode, kunciphisa amandla e-spark, kubangele ubunzima ekuqaleni okubandayo, isivinini esingazinzile sokungenzi lutho. Uma amadiphozithi ekhabhoni emaningi, angabangela ngisho nokuvuza kwe-spark plug, kunciphisa kakhulu ukusebenza kahle kokusha. Ngaphezu kwalokho, umonakalo wokushisa, ukungalingani kwenani lama-calorie, kanye nokufakwa okungafanele nakho kungathinta ukusebenza kwe-spark plug: imifantu ku-insulator izobangela ukuvuza kwe-spark, inani lama-calorie amaningi noma anganele ngokulandelana lizobangela ukusha kwangaphambi kokusha noma ukubambezeleka kokusha, futhi i-torque yokufaka engafanele ingabangela ukuvuza kwesilinda, okwandisa kakhulu ukulahlekelwa kwamandla.
Ukwehluleka kwe-spark plug akunzima ukukubona. Abanikazi bangathola izexwayiso kusenesikhathi ngokusebenzisa izimpawu ezingavamile zezimoto. Ubunzima bokuqala, ikakhulukazi ukuqala okuhlulekile kaningi ezindaweni ezibandayo, kuvame ukuba uphawu lwegebe elikhulu le-electrode noma ama-carbon deposit amaningi; ukusabela kancane ekusheshiseni, ukusetshenziswa kukaphethiloli okwandisiwe ngendlela engaqondakali ngo-10%-15%, kungabonisa amandla okushisa anganele noma ukusebenza kahle kokushisa okuncishisiwe; kuyilapho ukuzamazama njalo ngesivinini esingenzi lutho kanye nokugxumagxuma ngesikhathi sokushayela kungenzeka kube izimpawu zokwehluleka kokushisa kwesilinda esisodwa noma eziningi. Uma lezi zimpawu sezitholakele, kuyadingeka ukuhlola isimo se-spark plug futhi, uma kudingeka, uyishintshe ngemodeli efanele.
Ukuze kwandiswe isikhathi sokuphila kwe-spark plug, abanikazi kufanele balandele umjikelezo wokushintsha ngokusekelwe ezicini zezinto ezibonakalayo: ama-spark plug ajwayelekile e-nickel alloy anconyelwa ukuthi ashintshwe njalo ngamakhilomitha ayi-2-3,000, ama-spark plug e-platinum angandiswa abe ngamakhilomitha ayi-4-6,000, kanti ama-spark plug e-iridium angahlala amakhilomitha ayi-8-10,000. Ekushayeleni kwansuku zonke, gwema ukushayela ngesivinini esiphansi isikhathi eside, sebenzisa uphethiloli ophansi, uhlanze njalo ama-carbon deposit enjini, futhi unake ukusebenzisa i-torque wrench yobungcweti ngesikhathi sokufakwa ukuqinisekisa ukusebenza kahle kokuvala. Kuphela ngokunaka ukubaluleka kokugcinwa nokufakwa kwe-spark plug lapho injini ingasebenza khona kahle futhi inikeze amandla aqinile futhi anamandla emotweni.
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