Ukuthi Indlela Yokuphinda Kwesikhathi Kuyaphakamisa Ukusebenza Kwesikhathi Sokubhala?

Ivoltage Yokuphuma Kwekoyili Yokubulala: Umshayeli Owengcono Wezinkundla Zesiphephelo Sokubulala Nobunzima Bokusebenza Ngokuphelele

Ukuguqula Kwesivoltage Nokugcina Okuncane Okufanele Ukuziqeda Kwezinkundla Zesiphephelo Sokubulala

I-coil yokubulala iyasebenza njengomshinana wokuphakama kwe-voltage, ishisha i-voltage yebhayithi yamabili amashumi ayisithupa (12V) yomoto yonke uphakama kuma-voltage amashumi amabili amashumi ayisikhombisa (5,000–60,000V) okudinga ukubulala isibonelo sezinkambu zomoya nezinkambu zokudla emaphlakathini. Ukubulala kuyadinga ukuphikisa izinkinga eziningi, kusukela ekuphakameni kwamaphakathi amabili (kusho okungekho phakade ngamashumi amabili amashumi ayisikhombisa–amashumi amabili amashumi ayisikhombisa ayisikhombisa (0.8–1.2 mm)), ukuthi yini lezinkambu zomoya nezinkambu zokudla ekuqondeni, nokuthi yini i-pressure yekhabinethi yena. Kuzo zonke izimoto zezinkambu zokudla eziphakeme kuleli xesha, i-voltage phakathi kwe-amashumi amashumi ayisikhombisa (15,000) ne-amashumi amashumi ayisikhombisa (25,000) kuyasebenza kangako xa umoto uyasebenza kakhulu. Xa i-coil yokubulala ibegcina ukuba ibe yisikhathi eside noma ubungu buyagcinwa ngokuphelele, kuyakwenzeka ukuthi akakwazi ukufika kulezi zivoltage. Lokhu kubangela izinkinga zokubulala kwe-ionization, okuthi kubonakala ukuthi kunezimisindleko zokubulala (misfires) ezizwa ngokuvutha, futhi kube yinto yokugcina ukuthi inkambu yezinkambu zokudla ayagcwaliswa ngokuphelele.

Indlela Ukucindezelwa Okuphansi Kwekhoyili Yokuvutha Okulimaza Ngayo Ukuqina Kokudubula Kwe-Spark Plug Nokuqala Kokushisa

Lapho amandla kagesi ehla nje ama-volt angu-2 000 ngaphansi kwalokho okucacisiwe umenzi, empeleni kuyaphazamisa amazinga wamandla okuqhuma. Waba yini umphumela? Izimfoloko ze-spark zivutha ngokungaguquguquki, ikakhulukazi lapho zisheshisa ngama-RPM aphezulu noma zizama ukuqala injini ebandayo lapho ingcindezi yesilinda ifinyelela phezulu. Izimanga ezingakhiqizi kahle zenza ukuba ilangabi lokuqala lingakhuli kahle, okungase kwandise ama-hydrocarbon angashisi cishe ngo-30% kuyilapho kwenza injini ingaqiniseki, iqhume noma isebenze kabi. Uma sibheka izilinganiso zangempela zensimu, sibona okuthile okushaqisayo: noma nini lapho ama-coil okuvutha esebenza ngaphansi kuka-80% wamandla awo, ukuqhuma okungalungile kwenzeka izikhathi ezingaba yisikhombisa kunokujwayelekile. Lokhu kubonisa ngokucacile ukuthi kungani ukugcina amazinga afanele e-voltage kubalulekile ukuze kusebenze kahle ukushiswa.

Izimpawu Zokuhluleka Kwekhoyili Yokuvutha: Ukuxilongwa Kokusebenza Kwe-Spark Plug Emthonjeni

Ukubhukuda kwezinyathelo, ukuphakama kwezinyathelo ngokungafanele, nokuzimisa kwezinyathelo ngokungafanele njengamaphakade amathathu okuthi izikhundla zokuvula zihlukile

Xa izikhundla zibegina ukufa, amaphakade amathathu ayisisekelo ayasho: izinhluvukazi zibhukuda xa zisebenza kakhulu, ukuphakama kwezinyathelo ngokungafanele kwezinyathelo, nokuzimisa kwezinyathelo ngokungafanele xa kuzimiselwa kahle. Ingxenye yomphumela wale ndlela yikuthi ivolthu ayifakelwa ngokufanayo kuma-spark plugs, okusho ukuthi lezi plugs azikwazi ukudala izi-spark ezinamandla ekwenzeni kokugqibela. Ukuphakama kwezinyathelo ngokungafanele kusho kahle ngoba kukhona umsindo wokusebenza ophakathi kwamadilini amathathu, futhi ukuzimisa kwezinyathelo ngokungafanele kusho kahle ngoba isi-spark asinamandla okukhanya umsindo wokusebenza owodwa noma wokugqibela okungafanele. Abamekhine abaningi bavona lezi zinkinga zizide kahle emizamo yezinyathelo eziphakeme, emizamo yezinyathelo ezingaqondi, noma xa izinyathelo ziyaphakama kakhulu.

Izidata zasekhaya zika-OEM ziqinisekisa ukuthi izikhundla zokuvula zihlukile kahle kwezinyathelo eziningi zokubhukuda kwezinyathelo ezinye

Ukuchaza kwe-2023 Service Bench kuka-OEMs okukhulu kubonisa ukuthi izikhundla zokugcina ezingamangalisi ziyisibhotho sezinkampani zezinkampani eziningi zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zezinkampani zez......

Isikhathi Sokugcina Nokufaka Kwesikhundla: Ukuvumela Ukuthi Kusabeke Isibonelo Sokugcina Esinguqukile Ngaphezu Kwemiphumela Yomshini

Kungani Ukugcina Okungafanelekile Kukhokha Ukugcina Kwemithombo Yokuqala—Faka Isibonelo Esingaphansi Ngemikhumbi Yokuphakama

Isikhathi sokugcina—isikhathi esisikhetwa ngakho umkhondo wokuqala ukufuna amandla—sifundisa ngokwesibonelo ukuthuthukiswa kwezinhlobo zemikhumbi ne-amandla asechazwe kwimithombo. Ukungafanele kokugcina akukhokha ukugcina kwemithombo ngokuphelele, faka amandla okusibonela ngokuphelele ngokulingana nokuthi kuyisikhathi sokugcina, ngokuvavanywa ngokuvavanywa ngokwesibonelo. Ngemikhumbi eminingi, izikhathi zokugcina zizoba zingaphezulu kakhulu:

• Ngemikhumbi emithathu ezingu-6000, isikhathi sokugcina siphula ngaphezulu kwe-millisecond emithathu
• Ukugcina okungasemthethweni kuhlala kubeka isikhathi sokugcina sokusekondari esiphula
• Amasibonelo angaphansi akukhokha ukuthuthukiswa kwemithombo yezinkampani ezingaphezulu, ezingaphansi, noma ezingashintshelwe ngu-EGR

Lokhu kuchaza ukuthi kuzobekwa izihlwayo ngokukhulu kakhulu emithombeni yezilwane noma emithombeni eyisikhathi esiphakeme. Amasistimu okugcina okushintshelwa akhokha ukugcina ngokushintshelwa ngemikhumbi yokuphakama—ukuchaza amandla okusibonela nokuthuthukisa ukusebenza ngokulingana nokuthi kuyi-%2 ngaphezulu kwezinhlobo zokuphakama.

Ukuthembeka Kwesikhathi Nokuhambanisa Kwesistimu: Sizinga Sokugcina Kwemithombo Yokuqala Kusindisa Ukuthuthukisa

Ukuthola isikhathi esifanele phakathi kwesikhathi lapho i-coil yokucisha isebenza khona nalapho ipiston empeleni ikhona kwenza umehluko omkhulu ekusebenzeni kahle kokushisa. Iningi lezinjini lidinga ukuthi i-spark plug yalo ivule endaweni ethile cishe ngama-degree angu-10 kuya kwangu-40 ngaphambi kokuba kube nesikhungo esiphezulu esifile (BTDC) ngokususelwa kulokho okwenzekayo ngaphakathi kwenjini ngaleso sikhathi. Lapho konke kuhambisana kahle, ingcindezi iyakhula ngemva kwe-TDC, esiza ekuguquleni uphethiloli ube amandla angempela esikhundleni sokushisa nje. Uma amakhoyili engafaniswa kahle noma uma uhlelo lusebenzisa izindlela zokulawula ezindala, izinto ziqala ukuphambuka. Isikhathi siyaphazamiseka, kubangele izinkinga ezinjengomsindo wokushaya injini, amandla aphansi, nezinga elingcono lokungcola. Yingakho izimoto zanamuhla manje zinezinhlelo zokucisha eziphambili zobuchwepheshe. Zihlale zilungisa ukuthi zithumela izibani kusenesikhathi esingakanani ngokusebenzisa okuthile okubizwa ngokuthi ama-algorithm okuzivumelanisa nezimo. Uma ama-RPM ephansi, azothuthukisa isikhathi sokukhanya ukuze kube nempendulo engcono, kodwa azokubuyisela emuva lapho kunomthwalo omkhulu ukuze avimbele imisindo engathandeki yokushaya. Lolu hlobo lokuxhumana okuhlakaniphile lusho ukuthi injini iyaqhubeka isebenza ngokwethembeka kungakhathaliseki ukuthi ibhekana naziphi izimo emgwaqweni. Futhi ekugcineni, ukwenza lokhu kulinganisa isikhathi kahle kuholela ekuhambeni kukabhasi kangcono, ukukhishwa okuhlanzekile, nokuhlangenwe nakho kokushayela okubushelelezi.

Isikhombisi Sokuqala

Ukusebenza kwe-ignition coil kubani kumoto?

I-ignition coil iyasebenza njengomshakeli wokuphakama kwamandla, ikhupha amandla asebhatari ukuze ibuyekele isibonelo se-ahili/isilwane, futhi kufuneka kuhlanganise kusukela ku-12 volts ku-60,000 volts.

Kuzoba kungani uma i-ignition coil iphile?

Amadonga okuphila kwe-ignition coil ayifaka ukungafana kwezinyathelo, ukudlala kwezinyathelo zokuhlala ngokushesha, nokuvula kwezinyathelo ngokungafanele ngokungafanele kwezinyathelo zokuphakama okuyithintela ukugcina kwezinyathelo ne-ukubuyisa kwezinyathelo.

Ukuthi ubude bokudlala kuyakuthintela njani ukusebenza kwe-ignition coil?

Ubude bokudlala buyisisekelo sokugcina kwe-coil; ubude obungafanele bokudlala buqeda amandla okugcina kwe-coil, buqeda ukugcina kwezinyathelo, futhi kungabangela ukungafana kwezinyathelo.

Ngani ukuthi ukugcina kwezinyathelo kuyisisekelo sokubuyisa kwezinyathelo?

Ukugcina kwezinyathelo okuhle kusiza ukuthi izinyathelo zokugcina ziyavula ngexesha lokugcina okuhle ukubuyisa kwezinyathelo, kubhekana phakathi kwezinyathelo zokuphakama nezinyathelo zokuthintela izinyathelo.