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Zolakwika zambiri za VW Oxygen Sensor

Ziribe kanthu kuti ndi galimoto yanji, masensa awo a okosijeni amakhala ndi zolephera zofananira, timakupatsirani mayankho ofananirako komanso malangizo othandiza kuti muweruze zolephera.

 

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Mpweya wa sensa ya okosijeni

Chotsani chowunikira mpweya chomwe chimachokera ku chitoliro chotulutsa mpweya, ndikuwonanso ngati dzenje lolowera mpweya pagawo lodziwikiratu latsekedwa kapena pulayimale ya ceramic yawonongeka.Ngati yawonongeka, sensor ya mpweya iyenera kusinthidwa.Ngati ndi poizoni pang'ono pamwamba, ndiye ntchito bokosi la mpweya unleaded akhoza kuthana ndi nyambo pamwamba pa sensa mpweya ndi kubwezeretsanso mmene ndondomeko.Komabe nthawi zambiri chifukwa cha kutentha kwambiri kwa mpweya wotulutsa mpweya, mtovu umaukira mbali zake zamkati, zomwe zimalepheretsa ma ion a okosijeni, komanso kumapangitsa kuti kachipangizo ka oxygen kakhale kopanda phindu.Pakali pano, zikhoza kusinthidwa.

Kuphatikiza apo, poyizoni wa silicon pamagawo ozindikira mpweya ndiwodziwikanso.Kulumikizana pafupipafupi, silicon dioxide yopangidwa chifukwa cha kuyatsa kwa zinthu za silicon zomwe zimaphatikizidwa mumafuta komanso mafuta opaka mafuta komanso organic silicon mafuta otulutsidwa kuchokera kukugwiritsa ntchito molakwika gaskets za mphira za pulasitiki zidzachititsa kuti chipangizo chomva mpweya chinyalanyaze.Chifukwa chake, ndikofunikira kugwiritsa ntchito mafuta abwino komanso mafuta opaka bwino.Mukakonza, sankhani komanso kuyika ma gaskets a rabara moyenera, komanso musamapereke zosungunulira ndi anti-sticking agents kupatula zomwe zimafotokozedwa ndi wopanga pagawo lozindikira.

Kuyika kaboni

Chifukwa cha kuyaka koyipa kwagalimoto, zolipira za carbon dioxide pansi zimakhazikika pamtunda wa sensa ya mpweya, kapenanso ma depositi kuphatikiza mafuta kapena dothi mkati mwa sensa ya mpweya adzaletsa kapenanso kutsekereza thambo lakunja kubwera kuchokera kugawo lozindikira mpweya. , kupanga chiwongolero chowonetsera mopanda kumveka bwino komanso ECU sichingakhale nthawi yabwino Konzani chiŵerengero chamafuta a mpweya molondola.Kutsimikiza kwa Carbon dioxide kumawonekera makamaka pakuwonjezeka kwa kugwiritsidwa ntchito kwamafuta komanso kuwonjezereka kochititsa chidwi kwa utsi.Panthawi imeneyi, ngati zinyalala zichotsedwa, ndondomeko yeniyeni idzabwerera.

Air sensing unit ceramic yawonongeka

Ceramic ya sensa ya mpweya ndiyovuta komanso yofewa, komanso kulipiritsa chinthu cholimba kapena kuwomba ndi mpweya wamphamvu kumatha kupangitsa kuti chiphwanyike komanso kukhala chabodza.Chotsatira chake, khalani osamala makamaka mukamagwira, ndipo musinthe pa nthawi ngati pali vuto.

Chingwe chachitetezo cha unit chotenthetsera chimayendetsedwa

Pa nyumba yotenthetsera yamtundu wa okosijeni, ngati chingwe chokanira chotenthetsera chatsekedwa, zimakhala zovuta kubweretsa sensoryo kuti igwirizane ndi kutentha kwanthawi zonse komanso kutaya magwiridwe ake.

Dera lamkati la gawo lozindikira mpweya limalekanitsidwa

 

Kuyang'ana mawonekedwe ndi mthunzi wa gawo lomvera mpweya

Chotsani sensa ya mpweya ku chitoliro chotulutsa mpweya, ndikuwunikanso ngati kutsegulira kwa mpweya panyumba yodziwikiratu kwatsekedwa kapena pulayimale ya ceramic yawonongekadi.Ngati yawonongeka, gawo lozindikira mpweya liyenera kusinthidwa.

 

Malangizo

Cholakwikacho chitha kuweruzidwanso poyang'ana mtundu wa gawo lapamwamba la sensa ya okosijeni:

 

Kuwala kotuwa pamwamba: uwu ndi mtundu wamba wa sensa ya okosijeni;

 

Nsonga yoyera: chifukwa cha kuipitsidwa kwa silicon, sensa ya okosijeni iyenera kusinthidwa panthawiyi;

 

Nsonga ya Brown: chifukwa cha kuwonongeka kwa lead, ngati kuli koopsa, sensor ya okosijeni iyenera kusinthidwa;

 

Langizo lakuda:zimayambitsidwa ndi ma depositi a kaboni.Pambuyo pochotsa cholakwika cha injini ya carbon carbon deposit, ma depositi a kaboni pa sensa ya okosijeni nthawi zambiri amatha kuchotsedwa.

 

Sensa yayikulu ya okosijeni imaphatikizapo ndodo yotentha yomwe imatenthetsa chinthu cha zirconia.Ndodo yotenthetsera imayang'aniridwa ndi kompyuta (ECU).Pamene mpweya umalowa pang'ono (kutentha kwa mpweya wochepa), zomwe zikuchitika panopa zimapita ku ndodo yotenthetsera kuti ziwotche sensa kuti zizindikire molondola kuchuluka kwa mpweya.

 

Ma electrode a platinamu amayikidwa kumbali zonse zamkati ndi kunja kwa zirconium element (ZRO2) mu test tube state.Pofuna kuteteza maelekitirodi a platinamu, mbali yakunja ya galimotoyo imakutidwa ndi zoumba.Mpweya wa okosijeni wamkati ndi wapamwamba kuposa mlengalenga, ndipo mpweya wakunja wa okosijeni ndi wotsika kuposa mpweya wotulutsa mpweya wagalimoto.

 

Ziyenera kunenedwa kuti mutatha kugwiritsa ntchito chosinthira chothandizira cha njira zitatu, mafuta osasunthika ayenera kugwiritsidwa ntchito, apo ayi, chosinthira chothandizira chanjira zitatu ndi sensa ya okosijeni chidzalephera msanga.Zindikiraninso kuti sensa ya okosijeni imagwira ntchito yofunika kwambiri pakukhazikika kwa throttle ndikukonzekera kusakanikirana koyenera.Nthawi zambiri kulemeretsa kapena kusakanikirana kotsamira, kompyuta (ECU) imanyalanyaza chidziwitso cha sensa ya okosijeni, ndipo sensa ya okosijeni siyigwira ntchito.

 

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Kukonza ndi kusintha

Kutsuka throttle ndi chinthu chokonzekera chomwe aliyense amadziwa.M'malo mwake, ndikofunikira kuyeretsa sensor ya oxygen.Kupatula apo, sensa ya okosijeni imagwira ntchito m'malo ovuta kwambiri ndipo imatha kuvulala.Osanenanso kuti amalamulira kuchuluka kwa mafuta jekeseni.Sensa ya okosijeni imatha kutsukidwa ndikunyowetsa chotsuka chothandizira katatu kwa mphindi 10, kenako ndikuwumitsa ndi chowumitsira tsitsi.

 

Ngati sensa ya okosijeni yalephera, chonde sinthani nthawi yomweyo.Kwa VW yokhala ndi mtunda wa makilomita 100,000, tikulimbikitsidwa kuti tisinthe kachipangizo ka oxygen.Ndife akatswiri opanga VW Oxygen Sensor, ngati mukuifuna, chonde titumizireni nthawi yomweyo kuti mupeze mtengo waulere.


Nthawi yotumiza: Nov-24-2021