Lintlha tse ling mabapi le sensor ea koloi ea O2

Sensor ea koloi ea O2 ke sensor ea bohlokoa ea maikutlo ho sistimi ea taolo ea enjene ea mafura ea elektroniki.Ke karolo ea bohlokoa ho laola mesi ea likoloi, ho fokotsa tšilafalo ea likoloi tikolohong, le ho ntlafatsa boleng ba ho tuka ha mafura a lienjineri tsa makoloi.Sensor ea O2 e kentsoe phala ea enjene ea ho tima.Ka mor'a moo, ke tla hlahisa lintlha tse ling mabapi le sensor ea koloi ea O2.

Kakaretso

Sensor ea O2 ea koloi ke sesebelisoa sa ho lemoha se ka khonang ho lekanya mahloriso a oksijene a sebelisoang ka koloing, 'me hona joale e se e le tekanyetso ea koloi.Sensor ea O2 e fumaneha haholo phala ea ho tima ea enjene ea koloi.Ke karolo ea bohlokoa ea ho utloa tsamaisong ea taolo ea enjene ea mafura ea elektroniki.Hape ke karolo ea bohlokoa ea ho laola ho ntšoa ha mosi oa koloi, ho fokotsa tšilafalo ea koloi tikolohong, le ho ntlafatsa boleng ba ho tuka ha mafura a enjene ea koloi.

Nomoro

Ka kakaretso, ho na le li-sensor tse peli tsa O2 ka koloing, sensor ea O2 e ka pele le e ka morao ea O2.Sensor e ka pele ea O2 hangata e kentsoe mochining oa ho tima ka pel'a mofetoleli oa litsela tse tharo 'me o ikarabella haholo bakeng sa tokiso ea motsoako.Sensor e ka morao ea O2 e kentsoe phala ea exhaust ka morao ea converter ea catalytic ea litsela tse tharo 'me e sebelisoa haholo-holo ho hlahloba phello ea ho sebetsa ea converter ea litsela tse tharo.

Molao-motheo　

Hajoale, li-sensor tsa mantlha tsa O2 tse sebelisoang likoloing li kenyelletsa li-sensor tsa zirconium dioxide O2, li-sensor tsa titanium dioxide O2 le li-sensor tsa sebaka se sephara sa O2.Har'a bona, e sebelisoang ka ho fetisisa ke zirconium dioxide O2 sensor.Lintlha tse latelang li sebelisa sensor ea zirconium dioxide O2 e le mohlala ho u tsebisa molao-motheo oa sensor ea koloi ea O2.

Sensor ea zirconium dioxide O2 e entsoe ka zirconium tube (sensing element), electrode le sleeve e sireletsang.The zirconium tube ke ntho e tiileng ea electrolyte e entsoeng ka zirconium dioxide (ZrO2) e nang le yttrium e nyenyane.Mahlakore a ka hare le a ka ntle a tube ea zirconium a koahetsoe ka lera la li-electrode tsa porous platinum membrane.Ka hare ho tube ea zirconium e bulehile moeeng, 'me ka ntle e kopana le khase ea ho qeta.

Ka mantsoe a bonolo, li-sensor tsa likoloi tsa O2 li entsoe haholo-holo ka li-ceramics tsa zirconia le lesela le tšesaane la platinum ka hare le ka ntle.Sebaka se ka hare se tletse moea o tsoang ka ntle o nang le oksijene, 'me bokaholimo bo ka ntle bo pepesehetse khase ea ho tsoa.Sensor e na le potoloho e futhumatsang.Ka mor'a hore koloi e qale, potoloho ea mocheso e ka fihla ka potlako ho 350 ° C e hlokahalang bakeng sa ts'ebetso e tloaelehileng.Ka hona, sensor ea koloi ea O2 e boetse e bitsoa sensor e futhumetseng ea O2.

Sensor ea O2 haholo-holo e sebelisa likarolo tse hlokolosi tsa ceramic ho lekanya bokhoni ba O2 phala ea ho ntša metsi ea koloi, 'me e lekanya mahloriso a tšoanang a O2 ka molao-motheo oa ho leka-lekana ha lik'hemik'hale, e le hore karo-karolelano ea mafura a moea a tukang e ka hlahlojoa le ho laoloa.Ka mor'a ho lekola karo-karolelano ea mafura a moea le lets'oao la khase e tsoakiloeng, lets'oao le kenngoa ho ECU ea koloi, 'me ECU e fetola palo ea enjene ea mafura ea enjene ho latela lets'oao ho fihlela taolo e koetsoeng, e le hore Catalytic converter e ka etsa ts'ebetso ea eona ea tlhoekiso hantle, 'me qetellong e netefatse hore ho na le mesi e sebetsang ea mosi.

Ka ho khetheha, molao-motheo o sebetsang oa mochine oa O2 oa koloi o tšoana le oa betri e omeletseng, 'me karolo ea zirconium oxide ka har'a sensor e sebetsa joaloka electrolyte.Tlas'a maemo a itseng, phapang pakeng tsa mahloriso a O2 pakeng tsa mahlakore a ka hare le a ka ntle a zirconia a ka sebelisoa ho hlahisa phapang e ka 'nang ea e-ba teng,' me ho feta phapang ea mahloriso, phapang e kholoanyane e ka ba teng.Tlas'a catalysis ea mocheso o phahameng le platinum, O2 e ionized.Ka lebaka la khatello e phahameng ea li-ion tsa O2 ka har'a tube ea zirconium le khatello e tlase ea li-ion tsa O2 ka ntle, tlas'a ketso ea phapang ea mahloriso ea O2, li-ion tsa oksijene li fapana ho tloha lehlakoreng la sepakapaka ho ea lehlakoreng la mouoane, 'me mahloriso a li-ion mahlakoreng ka bobeli. Phapang e hlahisa matla a electromotive, kahoo a theha betri e nang le phapang pakeng tsa O2.

Na u tseba haholoanyane ka sensor ea koloi ea O2?Haeba u batla ho rekisetsa O2 sensor, amohela ho ikopanya le rona!

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