Menene firikwensin iskar oxygen na gaban mota
Na'urar firikwensin iskar oxygen ta gaba ta mota wani firikwensin iskar oxygen ne da aka sanya a gaban na'urar canza iskar gas mai hanyoyi uku. Babban aikinsa shine gano yawan iskar oxygen a cikin iskar gas mai fitar da iskar gas, da kuma samar da bayanan ganowa ga ECU (na'urar sarrafa lantarki) a cikin nau'in siginar lantarki. ECU tana sarrafa yawan allurar mai a cikin madauki a rufe bisa ga yawan iskar oxygen a cikin iskar gas mai fitar da iskar gas don daidaita rabon iska da mai na cakuda don tabbatar da cewa yana kusa da ƙimar ka'ida, ta haka yana inganta ingancin konewa da rage gurɓataccen iska .
Ka'idar aiki na na'urar firikwensin oxygen ta gaba ta dogara ne akan bututun yumbu na zirconia, waɗanda ke da electrodes na platinum masu ramuka a ɓangarorin biyu. A wani zafin jiki, saboda bambancin yawan oxygen a ɓangarorin biyu, ƙwayoyin oxygen a ɓangaren yawan maida hankali suna haɗuwa da electrons akan electrode platinum don samar da ions na oxygen, don haka electrode ɗin yana da caji mai kyau, kuma ions na oxygen suna ƙaura zuwa ɓangaren ƙarancin yawan oxygen ta hanyar electrolyte, don haka electrode ɗin yana da caji mara kyau, wanda ke haifar da bambanci mai yuwuwa. Lokacin da cakuda ya yi siriri, yawan oxygen a cikin hayakin yana da yawa kuma bambancin yuwuwar yana da ƙarami. Lokacin da aka tattara cakuda, yawan oxygen a cikin hayakin yana da ƙasa kuma bambancin yuwuwar yana da girma. ECU yana daidaita allurar mai bisa ga wannan bambancin yuwuwar don sarrafa madauri mai rufewa .
Ana sanya na'urar firikwensin iskar oxygen ta gaba a gaban na'urar mai canza catalytic mai hanyoyi uku kuma galibi tana gano yawan iskar oxygen a cikin iskar shaƙar injin. Idan bayanan da na'urar firikwensin iskar oxygen ta gaba da na'urar firikwensin iskar oxygen ta baya suka gano iri ɗaya ne, yana iya nuna cewa akwai matsala da na'urar mai canza catalytic mai hanyoyi uku, wanda ke buƙatar a duba kuma a kula da shi .
Babban aikin firikwensin iskar oxygen na gaba na mota shine gano abubuwan da ke cikin iskar oxygen a cikin hayakin injin, da kuma canza wannan bayanin zuwa siginar ƙarfin lantarki don aikawa zuwa kwamfutar injin (ECU), don cimma ikon rufewa na rabon iska da mai . Musamman, firikwensin iskar oxygen na gaba yana lura da yawan iskar oxygen a cikin hayakin, yana taimakawa ECU daidaita yawan allurar mai, kula da daidaitaccen rabon iska da mai, inganta ingancin mai, rage yawan amfani da mai, da rage fitar da iskar gas masu cutarwa kamar carbon monoxide (CO) da nitrogen oxides (NOx).
Ka'idar aiki
Na'urar firikwensin iskar oxygen ta gaba tana aiki kamar batir, kuma babban ɓangarenta shine sinadarin zirconia, wanda ke aiki a yanayin zafi mai yawa kuma platinum ne ke haɓaka shi. Na'urar firikwensin tana amfani da bambancin yawan iskar oxygen tsakanin ciki da wajen zirconia don samar da bambanci mai yuwuwa, kuma mafi girman bambancin yawan iskar oxygen, mafi girman bambancin yuwuwar. Yawan iskar oxygen a cikin iskar shaye-shaye yana da ƙasa idan aka kwatanta da yawan iskar oxygen a cikin yanayi, kuma wannan bambancin yawan iskar oxygen yana haifar da siginar wutar lantarki tsakanin na'urorin lantarki. ECU tana daidaita allurar mai bisa ga waɗannan sigina, tana tabbatar da cewa rabon iska da mai na cakuda yana kusa da ƙimar ka'ida mafi kyau.
Matsayin shigarwa
Yawanci ana shigar da na'urar firikwensin iskar oxygen ta gaba kafin mai kara kuzari mai hanyoyi uku kuma ana amfani da ita don gano yawan iskar oxygen da ke cikin iskar shaƙar injin. Ana sanya na'urar firikwensin afteroxygen a bayan mai kara kuzari mai hanyoyi uku don gano yawan iskar oxygen da ke cikin iskar shaƙar bayan tsarkakewar catalytic. Idan bayanan yawan iskar oxygen da na'urar firikwensin iskar oxygen ta samu kafin da bayan sun kasance iri ɗaya, yana iya nuna cewa mai kara kuzari mai hanyoyi uku ya gaza.
Tasirin gazawa
Idan na'urar firikwensin iskar oxygen ta gaba ta gaza, tana iya haifar da matsaloli kamar saurin aiki mara tabbas da kuma yawan amfani da mai. Saboda ECU ba ta iya daidaita allurar mai bisa ga siginar yawan iskar oxygen da ta dace ba, aikin injin yana tabarbarewa kuma hayaki mai gurbata muhalli yana ta'azzara.
"Idan kana son ƙarin bayani, ci gaba da karanta sauran labaran da ke wannan shafin!
Don Allah a kira mu idan kuna buƙatar irin waɗannan kayayyaki.
Kudin hannun jari Zhuo Meng Shanghai Auto Co., Ltd. ta kuduri aniyar sayar da kayayyakin mota na MG&750. siya.
