Menene firikwensin iskar oxygen a gaban mota
Na'urar firikwensin iskar oxygen na gaban mota shine firikwensin iskar oxygen da aka shigar a gaban mai canza yanayin katalytic mai hanyoyi uku. Babban aikinsa shine gano ƙwayar iskar oxygen a cikin iskar gas ɗin injin, da kuma samar da bayanan ganowa ga ECU (na'urar sarrafa lantarki) ta hanyar siginar lantarki. ECU tana sarrafa ƙarar allurar mai a cikin madauki mai rufaffiyar gwargwadon iskar oxygen a cikin iskar iskar gas don daidaita daidaitaccen iskar man fetur na cakuda don tabbatar da cewa yana kusa da ƙimar ka'idar, ta haka yana haɓaka ingancin konewa da rage gurɓataccen hayaƙi.
Ka'idar aiki na firikwensin iskar oxygen na gaba ya dogara ne akan bututun yumbura na zirconia, waɗanda ke da lambobi masu ƙarfi na platinum da aka lalata a bangarorin biyu. A wani yanayin zafi, saboda nau'in oxygen daban-daban na bangarorin biyu, kwayoyin oxygen a gefen babban taro suna haɗuwa da electrons a kan electrode na platinum don samar da ions oxygen, ta yadda wutar lantarki ta kasance mai cajin gaske, kuma ions oxygen suna yin ƙaura zuwa ƙananan ƙwayar oxygen ta hanyar electrolyte, ta yadda wutar lantarki ta kasance mummunan cajin, wanda zai haifar da yiwuwar bambanci. Lokacin da cakuda ya kasance bakin ciki, abun ciki na iskar oxygen a cikin shayewa yana da girma kuma bambancin da zai iya zama ƙananan. Lokacin da cakuda ya mayar da hankali, abun ciki na oxygen a cikin shaye-shaye yana da ƙananan kuma yiwuwar bambancin yana da girma. ECU tana daidaita allurar mai gwargwadon wannan yuwuwar bambancin don sarrafa madauki.
Ana shigar da firikwensin oxygen na gaba a gaban mai canza mai mai katalytic mai hanyoyi uku kuma galibi yana gano yawan iskar oxygen a cikin iskar iskar injin. Idan bayanan da na'urar firikwensin iskar oxygen ta gaba da na'urar firikwensin iskar oxygen ta baya sun kasance iri ɗaya ne, yana iya nuna cewa akwai matsala tare da mai mu'amalar catalytic ta hanyoyi uku, wanda ke buƙatar dubawa da kiyayewa.
Babban aikin na'urar firikwensin iskar oxygen ta gaban mota shine gano abubuwan da ke cikin iskar oxygen a cikin sharar injin, da canza wannan bayanin zuwa siginar wutar lantarki don watsawa zuwa kwamfutar injin (ECU), ta yadda za a gane rufaffiyar madauki na iskar man fetur. Musamman, firikwensin iskar oxygen na gaba yana lura da tattarawar iskar oxygen a cikin shayewa, yana taimakawa ECU daidaita ƙarar allurar mai, kula da daidaitaccen rabon iskar mai, inganta ingantaccen mai, rage yawan amfani da mai, da rage fitar da iskar gas mai cutarwa kamar carbon monoxide (CO) da nitrogen oxides (NOx). "
Ƙa'idar aiki
Na'urar firikwensin iskar oxygen na gaba yana aiki kamar baturi, kuma ainihin abin da ke cikin sa shine sinadarin zirconia, wanda ke aiki a yanayin zafi mai yawa kuma platinum ke sarrafa shi. Na'urar firikwensin yana amfani da bambance-bambancen maida hankali na oxygen tsakanin ciki da waje na zirconia don samar da bambanci mai yuwuwa, kuma mafi girman bambance-bambancen maida hankali, mafi girman bambancin yiwuwar. Matsakaicin iskar oxygen a cikin iskar gas yana da ƙasa idan aka kwatanta da yawan iskar oxygen a cikin yanayi, kuma wannan bambance-bambancen maida hankali yana haifar da siginar wutar lantarki tsakanin na'urorin lantarki. ECU tana daidaita allurar mai bisa ga waɗannan sigina, yana tabbatar da cewa rabon iskar man fetur na cakuda yana kusa da mafi kyawun ƙima.
Matsayin shigarwa
Ana shigar da firikwensin iskar oxygen na gaba kafin mai haɓakawa ta hanyoyi uku kuma ana amfani dashi don gano ƙwayar iskar oxygen a cikin iskar iskar injin. An shigar da firikwensin bayan oxygen a bayan mai canza hanyar catalytic ta hanyoyi uku don gano iskar oxygen na iskar gas bayan tsarkakewar catalytic. Idan bayanan tattarawar iskar oxygen da aka samu ta firikwensin oxygen kafin da bayan sun kasance iri ɗaya ne, yana iya nuna cewa mai juyawa catalytic ta hanyoyi uku ya gaza.
Tasirin gazawa
Idan firikwensin iskar oxygen na gaba ya gaza, yana iya haifar da matsaloli kamar rashin kwanciyar hankali gudun rashin zaman lafiya da yawan amfani da mai. Saboda ECU ba zai iya daidaita allurar man fetur bisa madaidaicin siginar tattara iskar oxygen ba, aikin injin yana lalacewa kuma hayaƙi yana daɗa muni.
"Idan kana son ƙarin sani, ci gaba da karanta sauran labaran kan wannan rukunin yanar gizon!
Da fatan za a kira mu idan kuna buƙatar irin waɗannan samfuran.
Kudin hannun jari Zhuo Meng Shanghai Auto Co., Ltd. ya himmatu wajen siyar da sassan motoci na MG&750 maraba saya.
