IzimotoIzimoto

Inzwa umoya-mpilo. Incazelo. aphoyintimenti

An-mpilo lokuhlushwa inzwa noma lambda Uphenyo yakhelwe ukunquma ezingeni qeda umoya-mpilo. Kuvele kahle (ukonga imvelo) umsebenzi injini kuqinisekiswa ezingeni njalo kaphethiloli ingxube isilinganiso emoyeni nophethiloli zonke izindlela ezisebenza. Inqubo ukulawula okuqukethwe oxygen amagesi qeda ibizwa ngokuthi i-lambda isiqondiso.

Endabeni ka ukushoda ingxube emoyeni-fuel umoya, akusho ukuzwa namachibi ephelele-carbon monoxide hydrocarbon. Lapho umoya supersaturation ngakolunye uhlangothi, akukho noqhekeko okuphelele kube umoya-mpilo kanye nitrogen.

Uhlelo qeda efakwe lambda uphenyo. Kumele wathi ukuthi onobuhle ezithile izimoto ezisetshenziswa angaphezu kwelilodwa-mpilo inzwa, kodwa ababili. Kulokhu, isethi eyodwa Converter okhanda amanye amathuba, kanye nezinye - emva kwalo. Ukusebenzisa izinzwa ezimbili ithuthukisa ukulawula indlela yokwakheka amagesi qeda kanye ukuqinisekisa ukusebenza kahle kakhulu neutralizer.

Inzwa-mpilo kungaba-iphuzu ezimbili noma broadband.

Isethi yokuqala, futhi ngemva kulethe, futhi phambi kwakhe. I kokungathembeki ezimbili iphuzu inzwa-mpilo ihlinzeka fuel emoyeni ingxube ngokweqile umoya isilinganiso ngokuhambisana ukubaluleka lokuhlushwa oxygen amagesi qeda.

Umklamo ethulwa ngesimo yesici Ceramic elinendawo enamathela amabili emaceleni we zirconium dioxide. umoya-mpilo inzwa isheke kwenziwa indlela electrochemical. Ngesinye-side electrode nabo amagesi qeda. Ngakolunye uhlangothi - emkhathini. Ngu obuhlukahlukene okuqukethwe oxygen we voltage ekhiqizwa ngesikhathi electrode kuphelile. Izinga eliphakeme (kubhekwe mafutha fuel ingxube), lo voltage ingaphansi. Ngakho, lo lokuhlushwa ephakeme (kubhekwe ingxube ahlanganiswe), lo voltage ka mkhulu.

Inzwa-mpilo ithumela isignali kagesi electronic control unit e uhlelo lokulawula motor. Ngokuhambisana ezingeni isignali, ukuchayeka wenziwa ku nokwakheka actuators ezimisweni imoto okuyizinto ngaphansi ukulawula control unit.

Ukwakheka kwe-broadband inzwa emelelwa njengelungu ezimbili iphuzu futhi akhishwa. Ukunqunywa "lambda" Kwenziwa nokusetshenziswa yamanje lapho uzotshala. Isetshenziselwa njengenhlangano kwidivaysi yokufakwayo kuyinto inzwa-mpilo ka Converter okhanda amanye amathuba. Ngu ukudonsa ukuqonda inqubo engokoqobo. Phakathi umjovo we igesi i-oksijini sidlula isici akhishwa ngaphansi kwethonya wamanje. Isimiso lapho idivayisi esebenza, esekelwe ikhono njalo ukugcina voltage 450 mV ezimbili iphuzu isici phakathi electrode ngenxa yoshintsho lapho uzotshala zamanje.

Ukwehlisa okuqukethwe oxygen amagesi (nezicebi fuel ingxube) kuhambisana nokwanda voltage phakathi etholakalayo ezimbili iphuzu Ceramic isici electrode. Esiginali sisetshenziswa kusukela isici kuya electronic control unit. Kususelwa wamanje isignali ekhiqizwa akhishwa isici ngebutho ezithile.

Ngo sekusilethela wamanje umjovo esikhaleni wokulinganisa. ngaleyo ndlela voltage ifinyelela inani elithile. Lapho le ngxenye zamanje yisikali sokuthi lokuhlushwa oxygen amagesi. Ukuhlaziywa nokuguqulwa ibe izenzo control kubulawa iyunithi ohlelweni umjovo wenziwa yi-control unit.

Ngo mafutha-operation idivayisi broadband kwenzeka ngendlela efanayo. Umehluko wukuthi nesilinganiso igebe ngaphansi kwethonya ukudonsa zamanje wenziwa umoya-mpilo.

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