Babban aikace-aikace

1.Domin samun high shaye gas tsarkakewa kudi da kuma rage sassa na (CO) carbon monoxide, (HC) hydrocarbons da (NOx) nitrogen oxides a shaye gas, EFI motocin dole ne amfani da uku-hanyar catalytic converters. Duk da haka, don yin amfani da hanyar da ta dace ta hanyar catalytic Converter ta hanyoyi uku, ya zama dole a sarrafa daidaitaccen rabon iskar man fetur ta yadda koyaushe yana kusa da ka'idar iskar man fetur. Yawancin lokaci ana shigar da mai kara kuzari tsakanin ma'aunin shaye-shaye da muffler. Na'urar firikwensin iskar oxygen yana da siffa cewa ƙarfin fitarwar sa ba zato ba tsammani yana canzawa kusa da ƙimar iskar man fetur (14.7: 1). Ana amfani da wannan sifa don gano yawan iskar oxygen a cikin iskar gas da kuma ciyar da ita zuwa kwamfutar don sarrafa rabon iska da man fetur. Lokacin da ainihin rabon iskar man fetur ya zama mafi girma, yawan iskar oxygen a cikin iskar gas yana ƙaruwa kuma firikwensin iskar oxygen yana sanar da ECU yanayin yanayin gauraya (ƙananan ƙarfin lantarki: O volts). Lokacin da rabon iskar man ya yi ƙasa da ma'aunin iskar man fetur, yawan iskar oxygen a cikin iskar gas ɗin yana raguwa, kuma ana sanar da yanayin firikwensin oxygen (babban ƙarfin lantarki: 1 volt) zuwa kwamfutar ECU.

2.ECU yayi hukunci ko rabon man iskar yana da ƙasa ko babba bisa ga bambancin ƙarfin lantarki daga firikwensin iskar oxygen, kuma yana sarrafa tsawon lokacin allurar mai daidai. Koyaya, idan mai isar da iskar oxygen ya yi kuskure kuma ƙarfin wutar lantarki da ake fitarwa ba shi da kyau, kwamfutar ECU ba za ta iya sarrafa daidaitaccen adadin man iska ba. Sabili da haka, na'urar firikwensin oxygen kuma na iya gyara kuskuren rabon iskar man fetur wanda lalacewa ta injiniyoyi da sauran sassan tsarin EFI ke haifarwa. Ana iya cewa shine kawai firikwensin "hankali" a cikin tsarin EFI.

3.Aikin firikwensin shine ta tantance ko akwai iskar oxygen da yawa a cikin iskar da ke fitar da injin bayan konewa, wato abun da ke cikin iskar oxygen, sannan ya mayar da iskar oxygen din zuwa siginar wutar lantarki da isar da shi zuwa kwamfutar injin, don haka cewa injin zai iya gane rufaffiyar madauki iko tare da wuce haddi na iska a matsayin manufa; Tabbatar cewa mai juyawa mai katalytic mai hanya uku yana da matsakaicin ƙarfin juzu'i don hydrocarbons (HC), carbon monoxide (CO) da nitrogen oxides (NOX) a cikin iskar iskar gas, da jujjuyawa da tsarkake gurɓataccen gurɓataccen abu zuwa mafi girma.

Gabatarwa mai amfani

Ana amfani da na'urori masu auna iskar oxygen a cikin man fetur, masana'antar sinadarai, kwal, karfe, yin takarda, kariya ta wuta, gudanarwa na birni, magani, mota, saka idanu na gas da sauran masana'antu.