Iyini iphampu kaphethiloli kanye nezimpawu zomonakalo?
Iphampu kaphethiloli iyisici esibalulekile sohlelo lukaphethiloli lwemoto, kungaba yimoto noma isithuthuthu. Nakuba ingabi nkulu njalo futhi ivame ukufihlwa, indima yayo ibalulekile: ukuqinisekisa ukuthi uphethiloli ovela ethangini ufinyelela enjinini ngokucindezela nomthamo odingekayo. Ngaphandle kwephampu kaphethiloli esebenza kahle, injini izoba nzima ukuqala, ukuma, noma ngisho ukuma ngokuzumayo emgwaqweni. Lesi sihloko sizoxoxa ngokuthi iyini iphampu kaphethiloli, ukuthi isebenza kanjani ngokuvamile, izinhlobo zayo, kanye nezimpawu ezivame kakhulu zokwehluleka.
Iyini iphampu kaphethiloli?
Iphampu kaphethiloli iyithuluzi elisebenza ngomshini noma ngogesi elinomthwalo wokudlulisa uphethiloli usuka ethangini uye ohlelweni lokushisa. Ezimotweni zesimanje, ikakhulukazi lezo ezinezinhlelo zokujova uphethiloli, iphampu kaphethiloli ayigcini nje ngokuletha uphethiloli noma udizili kodwa futhi igcina ingcindezi kaphethiloli ukuze ihlangabezane nemigomo yomkhiqizi. Lokhu kucindezela kuyadingeka ngabajovi ukuze baguqule uphethiloli ube yi-atomu ngokunembile, okuholela ekushiseni okusebenzayo, amandla afanele, kanye nokukhishwa okuphansi kokukhishwa.
Ezimotweni ezine-carburet (ngokuvamile amamodeli amadala), kusadingeka iphampu kaphethiloli, kodwa izidingo zokucindezela aziphezulu njengasezimotweni ezifakwe uphethiloli. Ngakho-ke, uhlelo luvame ukuba lula.
Umsebenzi Oyinhloko Wephampu Kaphethiloli
Ngokuvamile, imisebenzi yephampu kaphethiloli ihlanganisa:
1. Dlulisa uphethiloli usuka ethangini uye enjinini
Iphampu kaphethiloli ithatha uphethiloli ethangini bese iwusunduza ngamapayipi/amapayipi iye engxenyeni yenjini.
2. Gcina umfutho kaphethiloli uzinzile
Ohlelweni lokujova, ukuzinza kwengcindezi kubalulekile. Ukucindezela okuphansi kakhulu kuzoholela engxubeni kaphethiloli engenamafutha amaningi, kanti ukucindezela okuphezulu kakhulu kuzoholela engxubeni ecebile.
3. Isekela ukusebenza kahle kanye nokusebenza kahle
Uma uphethiloli utholakala ngendlela efanele, ukusheshisa kuyashelela, ukusetshenziswa kukaphethiloli kulawulwa kakhulu, futhi ingozi yokuntengantenga kwenjini iyancipha.
Izinhlobo Zamaphampu Kaphethiloli
Ngokuvamile, amaphampu kaphethiloli ahlukaniswe izinhlobo ezimbili ezinkulu:
1. Iphampu Kaphethiloli Yomshini
Amaphampu kaphethiloli omshini avame ukutholakala ezimotweni ezinekhabhoni. Lawa maphampu aqhutshwa ukuzungeza kwenjini (isibonelo, nge-camshaft). Izinzuzo zawo zifaka phakathi ukwakhiwa okulula kanye nokulula kokulungiswa. Kodwa-ke, ukulawula ingcindezi akunembile njengephampu kaphethiloli kagesi, futhi ukusebenza kwawo kuncike kakhulu ezimweni zenjini.
2. Iphampu Kaphethiloli Kagesi
Amaphampu kaphethiloli kagesi avame ukusetshenziswa ezimotweni ezifakwe uphethiloli. Lawa maphampu asebenza ngenjini kagesi futhi avame ukutholakala ngaphakathi kwethangi (iphampu kaphethiloli ethangini). Lokhu kubekwa kusiza ukupholisa iphampu futhi kunciphisa ingozi yokukhiya komusi (amabhamuza omusi) ekugelezeni kukaphethiloli.
Kwezinye izimoto, iphampu kaphethiloli kagesi ingatholakala ngaphandle kwethangi (ngaphakathi komugqa), yize lo mklamo uvame ukutholakala ezimotweni ezithile noma ezinguqulweni.
Indlela Iphampu Kaphethiloli Esebenza Ngayo Ngamafuphi
Uma ukhiye wokushisa uvuliwe, i-ECU (ikhompyutha yemoto) isebenzisa iphampu kaphethiloli imizuzwana embalwa ukuze yakhe ingcindezi. Uma injini isebenza, iphampu kaphethiloli iyaqhubeka nokuletha uphethiloli. Ezinhlelweni zokujova uphethiloli, ingcindezi ivame ukugcinwa kusetshenziswa isilawuli sengcindezi kaphethiloli kanye nezinzwa ezithile, kuye ngomklamo wemoto.
Uma iphampu kaphethiloli iba buthaka noma ingazinzile, ukucindezela kuyehla futhi ukunikezwa kukaphethiloli kuyaphazamiseka. Imiphumela ingasukela kokuncane (ukudonsa kancane) kuya kokubi kakhulu (ukwehluleka kwenjini ngokuphelele).
Izimpawu Zokuthi Iphampu Yakho Kaphethiloli Iqala Ukungasebenzi
Okulandelayo yizimpawu ezivamile zezinkinga zephampu kaphethiloli abasebenzisi abavame ukubhekana nazo:
1. Injini kunzima ukuyiqalisa (kunzima ukuyiqala)
Esinye sezimpawu ezivame kakhulu ubunzima bokuqala, ikakhulukazi uma kubanda noma ngemva kwesikhathi eside sokungasebenzi. Iphampu kaphethiloli ebuthakathaka ithatha isikhathi eside ukwakha ingcindezi, okudinga ukujikijelwa okuphindaphindiwe.
2. Ukugxuma noma Ukuthintitha Kwenjini Ngesikhathi Sokusheshisa
Uma ucindezela i-pedal kaphethiloli bese imoto izizwa sengathi iphelelwa amandla, imbangela eyodwa engaba khona kungaba ukugeleza kukaphethiloli okunganele. Iphampu kaphethiloli egugile ingase isasebenza ngaphansi kwemithwalo elula, kodwa inenkinga lapho isheshisa noma ikhuphuka amagquma.
3. Amandla Enjini Anciphile kanye Nokudonswa Okubuthakathaka
Uma iphampu kaphethiloli yehluleka ukugcina ingcindezi, ingxube yomoya nophethiloli izoba ngaphansi kokufanele. Lokhu kuholela ekuncipheni kwamandla, ukusabela kancane kwe-throttle, kanye nomuzwa wemoto esindayo, ikakhulukazi uma uthwele umthwalo noma uvulwe umoya opholile.
4. Injini Ifa Ngokungazelelwe Emgwaqweni
Iphampu kaphethiloli engasebenzi kahle ingasebenza ngokungaguquki, ngezinye izikhathi isebenze ngendlela evamile, ngezinye izikhathi ima ngokuzumayo. Lokhu kungabangela ukuthi injini ime ngokuzumayo uma imiswa esibanini esibomvu noma ngisho nalapho imoto ihamba. Lesi simo siyingozi futhi sidinga ukunakekelwa okusheshayo.
5. Umsindo Oweqile Wokuhumza Ovela Ethangini
Iphampu kaphethiloli kagesi ivame ukwenza umsindo othambile wokuvungazela uma ukusha kuvuliwe. Kodwa-ke, uma umsindo uba mkhulu kunokuvamile, unomsindo obukhali, noma oqinile, kungabonisa ukuthi iphampu isebenza kanzima kakhulu, igugile, noma kukhona ukuvaleka emgqeni kaphethiloli.
6. Imoto “Iyahamba” Ngesivinini Esiphezulu
Uma imoto ishayelwa ngesivinini esikhulu, isidingo sikaphethiloli siyanda. Iphampu kaphethiloli ebuthakathaka ayikwazi ukuhambisana nalesi sidingo, okwenza injini izwakale ivilapha, njengokungathi iyama.
7. Ukusetshenziswa kukaphethiloli kungaba yinto echitha imali kakhulu (ngaphansi kwezimo ezithile)
Iphampu kaphethiloli enephutha ayihlali ibangela izinkinga zokusetshenziswa kukaphethiloli, kodwa kwezinye izimo, ingaholela ekushiseni okungaphelele noma i-ECU ilungise kabi ingxube kaphethiloli. Lokhu kungabangela ukusetshenziswa kukaphethiloli okwandisiwe.
8. Hlola ukuthi isibani se-Injini sivuliwe
Ezimotweni zanamuhla, umfutho kaphethiloli ongafanele ungabangela amakhodi athile amaphutha bese uvula isibani senjini yokuhlola. Amakhodi avamile afaka ingxube kaphethiloli engaqinile noma umlilo ongafanele. Kodwa-ke, isibani senjini yokuhlola asibonisi njalo ukuthi iphampu kaphethiloli inephutha—kudingeka ukuhlolwa okwengeziwe.
Izimbangela Zokulimala Kwephampu Kaphethiloli Ngokushesha
Imikhuba nezimo ezilandelayo zivame ukusheshisa umonakalo wephampu kaphethiloli:
1. Ngokuvamile ukushiya ithangi lingenalutho
Amaphampu kaphethiloli angaphakathi ethangini asebenzisa uphethiloli njengesibandisi. Uphethiloli ovame ukuba phansi noma onciphile uvame ukuba phansi kungabangela ukuthi iphampu ishise kakhulu futhi iguge ngokushesha.
2. Isihlungi sikaphethiloli singcolile noma asivamile ukushintshwa.
Ukuvaleka kwenza ipompo isebenze kanzima, okunciphisa isikhathi sayo sokuphila.
3. Uphethiloli ongcolile noma oxutshwe namanzi
Ukungcola kusheshisa ukuguguleka futhi kungalimaza izingxenye zangaphakathi.
4. Izinkinga zikagesi
I-voltage engazinzile, ama-relay abuthakathaka, noma izixhumi ezigqwalile kungaphazamisa ukusebenza kwephampu futhi kubangele ukuthi iphuke ngokushesha.
Indlela Yokunquma Uma Iphampu Kaphethiloli Inephutha
Ukuqinisekisa ukuxilongwa, umakhenika uvame ukwenza izivivinyo eziningana, njengokuthi:
- Kala ingcindezi kaphethiloli ngesilinganiso sengcindezi kaphethiloli
- Hlola ukuhamba kukaphethiloli kanye nokukhishwa kwemali
- Hlola ama-relay, ama-fuse, kanye ne-voltage kuphampu
- Lalela umsindo wepompo uma othintana naye evuliwe
- Funda idatha ye-OBD/skena ukuze ubuke amakhodi ephutha
Lokhu kuhlola kubalulekile ukuze kugwenywe ukufaka esikhundleni izingxenye ezingalungile, njengoba izimpawu zephampu kaphethiloli eyonakele zingafana nezezinkinga zomjovo, umzimba we-throttle ongcolile, inzwa enenkinga, noma isihlungi sikaphethiloli esivalekile.
Isiphetho
Iphampu kaphethiloli iyisici esibalulekile esibhekene nokuletha uphethiloli usuka ethangini uye enjinini ngokucindezela okufanele. Lapho iphampu kaphethiloli iqala ukungasebenzi, izimpawu zingafaka ubunzima bokuqala, ukuntengantenga ngesikhathi sokusheshisa, amandla anciphile, umsindo wokubhonga ngokweqile, ngisho nokuma kwenjini ngokuzumayo. Ukuze uvimbele umonakalo, gcina izinga likaphethiloli elihambisanayo, sebenzisa uphethiloli osezingeni eliphezulu, futhi wenze ukulungiswa okuvamile, njengokushintsha isihlungi sikaphethiloli ngezikhathi ezithile.
Uma uhlangabezana nanoma yiziphi izimpawu ezingenhla, kungcono ukuthi imoto yakho ihlolwe ngokushesha esitolo sokulungisa esithembekile. Ukuxazulula izinkinga zephampu kaphethiloli kusenesikhathi kungavimbela umonakalo owengeziwe futhi kunciphise ingozi yokuphazamiseka phakathi nohambo.
