Post-oxygen firikwensin

A halin yanzu, motoci suna da na'urori masu auna siginar oxygen guda biyu, daya a gaban mai kara kuzari na hanyoyi uku, daya kuma a bayansa. Aikin gaba shine gano ma'aunin iskar man fetur na injin a karkashin yanayin aiki daban-daban, kuma a lokaci guda, kwamfutar tana daidaita adadin allurar mai tare da ƙididdige lokacin kunnawa bisa ga wannan siginar. Babban baya shine don gwada aikin mai canza catalytic na hanyoyi uku! Ie yawan juzu'i na mai kara kuzari. Yana da mahimmancin tushe don gwada ko mai haɓakawa ta hanyoyi uku yana aiki akai-akai (mai kyau ko mara kyau) ta hanyar kwatanta da bayanan na'urar firikwensin oxygen na gaba.

gabatarwar abun da ke ciki

Na'urar firikwensin oxygen yana amfani da ka'idar Nernst.

Jigon sa shine bututun yumbura na ZrO2 mai bakin ciki, wanda ke da ƙarfi mai ƙarfi, kuma ɓangarorinsa guda biyu suna daɗaɗa da lambobi Pt. A wani zafin jiki, saboda nau'o'in oxygen daban-daban a bangarorin biyu, kwayoyin oxygen a gefen babban taro (cikin 4 na yumbura tube) suna adsorbed akan lantarki na platinum kuma a hade tare da electrons (4e) don samar da oxygen ions O2- , wanda ke sa wutar lantarki ta yi caji mai kyau, kuma O2- ions suna ƙaura zuwa ƙananan ƙwayar iskar oxygen (gefen exhaust gas) ta hanyar guraben oxygen ion a cikin electrolyte, wanda ke sa wutar lantarki ta yi mummunan caji, wato, ana haifar da wani bambanci.

Lokacin da rabon iskar man fetur ya yi ƙasa (cakudu mai wadata), akwai ƙarancin iskar oxygen a cikin iskar iskar gas, don haka akwai ƙarancin iskar oxygen a waje da bututun yumbu, suna samar da ƙarfin lantarki na kusan 1.0V;

Lokacin da rabon iskar man fetur ya yi daidai da 14.7, ƙarfin lantarki da aka samar a ciki da waje na bututun yumbu shine 0.4V ~ 0.5V, wanda shine ma'anar wutar lantarki;

Lokacin da rabon iskar man fetur ya yi girma (cakuda mai raɗaɗi), abun da ke cikin iskar oxygen a cikin iskar iskar gas yana da yawa, kuma bambancin maida hankali na ions oxygen a ciki da wajen bututun yumbu yana da ƙananan, don haka ƙarfin lantarki yana da ƙasa sosai kuma yana kusa da sifili. .

Sensor oxygen mai zafi:

-Mai zafi na iskar oxygen yana da ƙarfin juriya na gubar;

-Ba ya dogara da yawan zafin jiki, kuma yana iya aiki kamar yadda aka saba a ƙarƙashin ƙananan kaya da ƙananan zafin jiki;

-Da sauri shigar da rufaffiyar madauki iko bayan farawa.