Valve ya EGR - ndi chiyani ndipo ndingathe kuichotsa?
Kugwiritsa ntchito makina

Valve ya EGR - ndi chiyani ndipo ndingathe kuichotsa?

Valve ya EGR ndi gawo lapadera pansi pa hood ya galimoto yomwe madalaivala nthawi zambiri amakhala ndi malingaliro osiyanasiyana. Chifukwa chiyani? Kumbali imodzi, ili ndi udindo woyang'anira kuchuluka kwa mpweya wotulutsa mpweya ndi zinthu zovulaza mmenemo, ndipo kumbali ina, ndi gawo lomwe nthawi zambiri limalephera. Kawirikawiri, galimoto yatsopano, mtengo wake wokonzanso udzakhala wapamwamba. Choncho, anthu ena amasankha kuchotsa dongosolo EGR mu magalimoto awo. Ndi zoonadi?

Muphunzirapo chiyani pa positiyi?

  • Kodi valve yotulutsa mpweya wotulutsa mpweya ndi chiyani?
  • Kodi ntchito?
  • Kuchotsa, kulepheretsa, kuchititsa khungu EGR - chifukwa chiyani izi sizikulimbikitsidwa?

Mwachidule

Valavu ya EGR imayang'anira kuchepetsa kuchuluka kwa mankhwala owopsa omwe amatulutsidwa mumlengalenga pamodzi ndi mpweya wotulutsa mpweya. Zotsatira zake, magalimoto athu amatsatira miyezo yovomerezeka yotulutsa utsi. Ngati dongosolo la EGR likulephera, liyenera kutsukidwa kapena kusinthidwa ndi valavu yatsopano. Komabe, sikulimbikitsidwa kuchotsa, kulepheretsa kapena kuchititsa khungu - ichi ndi ntchito yosaloledwa yomwe imapangitsa kuti mpweya ukhale wochepa komanso kuwononga chilengedwe.

Kodi valve yotulutsa mpweya wotulutsa mpweya ndi chiyani?

EGR (Exhaust Gas Recirculation) kwenikweni amatanthauza Exhaust Gas Recirculation Valve. Yayikidwa pa injini yotulutsa mphamvu zambirindipo imodzi mwa ntchito zake zazikulu ndi kuyeretsedwa kwa mpweya wotayidwa kuchokera ku mankhwala omwe ali ndi carcinogenic chemical compounds - ma hydrocarbon CH, nitrogen oxides NOx ndi carbon monoxide CO. Zomwe zili muzinthuzi zimatengera makamaka mtundu wamafuta oyaka moto m'zipinda za injini:

  • kuwotcha osakaniza olemera (mafuta ambiri, mpweya wochepa) kumawonjezera kuchuluka kwa ma hydrocarbon mu mipweya yotulutsa;
  • Kuwotcha (kuchuluka kwa okosijeni, mafuta ochepa) kumawonjezera kuchuluka kwa ma nitrogen oxide mu utsi.

Valavu ya EGR (EGR valve) ndikuyankha pakuwonjezeka kwa kuipitsidwa kwa chilengedwe ndi kuwonongeka kwa mpweya, zomwe sizimangokhala zachilengedwe zokha. Zovuta zamagalimoto, komanso kudziwa kuopsa kwake, kwanthawi yayitali zimayang'ana pakupereka mayankho amakono, ogwirizana ndi chilengedwe ndi matekinoloje, omwe amapeza ntchito m'magalimoto athu. Pakati pawo titha kupeza machitidwe monga osinthira othandizira, zosefera zamagulu kapena valavu ya EGR. Zotsirizirazi, mosiyana ndi zomwe anthu ambiri amakhulupirira, sizimawononga gawo loyendetsa, ndiye kuti, sizimasokoneza magwiridwe antchito enieni agalimoto.

Valve ya EGR - ndi chiyani ndipo ndingathe kuichotsa?

EGR vavu - mfundo ntchito

Mfundo ya ntchito ya EGR exhaust valve imachokera makamaka "Kuwomba" kuchuluka kwa mpweya wotulutsa mu injini. (makamaka, kulowa m'chipinda choyaka moto), zomwe zimachepetsa kutulutsidwa kwa mankhwala owopsa. Mipweya yotulutsa kutentha kwambiri yomwe imalowanso m'chipinda choyaka imathandizira evaporation wa mafuta ndi bwino kukonzekera osakaniza... Kuzunguliranso kumachitika pamene kusakaniza kwa mpweya ndi mpweya kumakhala kowonda, ndiko kuti, komwe kumakhala ndi mpweya wambiri. Mpweya wa flue umalowa m'malo mwa O2 (yomwe ilipo mowonjezera), zomwe zimachepetsa kuchuluka kwa ma nitrogen oxide omwe atchulidwa kale. Zimakhudzanso makutidwe ndi okosijeni a unyolo wotchedwa "Osweka" wa hydrocarbon.

Makina otulutsa mpweya wotulutsa mpweya amagawidwa m'mitundu iwiri ikuluikulu - mkati ndi kunja:

  • Kubwereza kwa gasi wamkati - kumaphatikizapo kugwiritsa ntchito njira zowonjezereka mu ndondomeko ya nthawi, kuphatikizapo kutsekedwa kwa ma valve otsekemera akuchedwa, ndipo nthawi yomweyo ma valve olowetsa amatsegulidwa. Choncho, mbali ina ya mpweya wotulutsa mpweya imakhalabe m'chipinda choyaka. Dongosolo lamkati limagwiritsidwa ntchito mumagulu othamanga kwambiri komanso apamwamba kwambiri.
  • Kubwereza kwa gasi wotuluka kunja - izi ndi zina EGR. Imayendetsedwa ndi kompyuta, yomwe imayang'aniranso magawo ena ofunikira agalimoto yamagalimoto. The exhaust gas recirculation valve ndi yabwino kwambiri kuposa dongosolo lamkati.

Kodi kuchititsa khungu kwa EGR ndi njira yoyenera?

The exhaust gasi recirculation valve, komanso gawo lililonse lomwe limayang'anira kutuluka kwa mpweya, m’kupita kwa nthawi zimadetsedwa. Imayika madipoziti - ma depositi amafuta osawotchedwa ndi tinthu tating'ono tamafuta, omwe amaumitsa chifukwa cha kutentha kwambiri ndikupanga kutumphuka kosavuta kuchotsa. Iyi ndi njira yosapeŵeka. Chifukwa chake, nthawi ndi nthawi tiyenera kuchita kuyeretsa kwathunthu kwa valve yotulutsa mpweya wotulutsa mpweya, makamaka ngati pali mavuto ndi ntchito yake yosagwira ntchito - kuphatikizapo. kuyaka kowonjezereka, zosefera zotsekeka kapena, zikavuta kwambiri, kuzimitsa kwa injini.

EGR kuyeretsa ndi kusintha

Miyezo yovomerezeka yautumiki yokhudzana ndi valavu yotulutsa mpweya wotulutsa mpweya imakhudzana ndi kukonza kwake (kuyeretsa) kapena kusinthidwa ndi yatsopano. Komabe, chifukwa cha malingaliro olakwika okhudza kuwononga kwa EGR pa mphamvu ya injini, madalaivala ena ndi zimango akutsamira ku njira zitatu zotsutsana ndi luso. Izi:

  • kuchotsedwa kwa valavu yotulutsa mpweya wotulutsa mpweya - imakhala ndi kuchotsedwa kwa dongosolo la EGR ndikusintha zomwe zimatchedwa bypasszomwe, ngakhale kuti ndizofanana ndi mapangidwe, sizimalola kuti mpweya wotulutsa mpweya ulowe mu dongosolo la kudya;
  • kuchititsa khungu EGR - imakhala ndi kutseka kwamakina kwa njira yakezomwe zimalepheretsa dongosolo kugwira ntchito;
  • pakompyuta deactivation wa utsi mpweya recirculation dongosolo - lili mu kuyimitsa kokhazikika valavu yoyendetsedwa ndi magetsi.

Zochita izi zimatchukanso chifukwa cha mtengo wawo - valavu yatsopano imatha kuwononga pafupifupi 1000 zlotys, ndipo pochititsa khungu kutulutsa mpweya wotulutsa mpweya ndikuyeretsa, tidzalipira pafupifupi 200 zlotys. Apa, komabe, ndikofunikira kuyimitsa kaye ndikulingalira ndi zotsatira zotani za valve yotsekedwa ya EGR.

Choyamba, zimakhudza kwambiri chilengedwe. Magalimoto okhala ndi valavu yozimitsa kapena yolumikizidwa ndi gasi yotulutsa mpweya amaposa kuchuluka kololedwa kuyaka. Kachiwiri, zimachitika kuti valavu ikatsegulidwa, valavu cholakwika mu dongosolo lowongolera, zomwe zimayambitsa kutayika kwa kayendetsedwe ka kayendetsedwe kake (Izi ndi zoona makamaka kwa zaka zatsopano). Titha kuwonanso kuwala kwa Injini Yoyang'anira kapena chizindikiro chomwe chimadziwitsa zolakwika pamayendedwe oyeretsa gasi. Chachitatu, komanso chofunikira kwambiri, palibe chilichonse mwazomwe zili pamwambapa (kuchotsa, kuchotsedwa, kuchititsa khungu) ndizovomerezeka. Ngati kuyang'ana m'mphepete mwa msewu kukuwonetsa kuti tikuyendetsa galimoto popanda dongosolo la EGR (kapena ndi pulagi) kotero kuti sitikukwaniritsa miyezo yotulutsa mpweya, timakhala pachiwopsezo. mpaka PLN 5000... Tilinso ndi udindo wochotsa galimotoyo.

Valve ya EGR - ndi chiyani ndipo ndingathe kuichotsa?

Pezani valavu yanu yatsopano ya EGR pa avtotachki.com

Monga mukuonera, sikoyenera kuchita zinthu zokayikitsa ngati zimenezi. Mtengo umene tingathe kulipira EGR yochotsedwa kapena yakhungu nthawi zambiri mtengo umene tingagule valve yatsopano. Chotero tiyeni tisamalire zikwama zathu zandalama ndi dziko lapansi, ndipo pamodzi tiyeni tikane kuti ayi ku ntchito zosaloledwa.

Kodi mukuyang'ana valavu yatsopano ya EGR? Mupeza pa avtotachki.com!

Onaninso:

Kodi kununkhira kwa utsi wotuluka m'galimoto kumatanthauza chiyani?

Kodi ndilamulo kuchotsa DPF?

avtotachki.com, Canva Pro

Kuwonjezera ndemanga