ka'idar aiki

1.Oxygen firikwensin shine daidaitaccen tsari a cikin motoci. Abu ne mai aunawa wanda ke amfani da abubuwa masu mahimmancin yumbu don auna yuwuwar iskar oxygen a cikin bututun shaye-shaye na mota, kuma yana ƙididdige ma'aunin iskar oxygen daidai da ka'idar ma'auni na sinadarai, don saka idanu da sarrafa rabon iskar man fetur da tabbatar da samfurin. inganci da fitar da hayaki don saduwa da ma'auni. Ana amfani da firikwensin iskar oxygen a cikin sarrafa yanayi na konewar kwal iri-iri, konewar mai, konewar iskar gas da sauran tanda. Ita ce hanya mafi kyau don auna yanayin konewa a halin yanzu, kuma yana da fa'idodin tsari mai sauƙi, amsa mai sauri, sauƙi mai sauƙi, amfani mai dacewa da ma'auni daidai. Yin amfani da wannan firikwensin don aunawa da sarrafa yanayin konewa ba zai iya daidaitawa da haɓaka ingancin samfur kawai ba, har ma ya rage zagayowar samarwa da adana kuzari.

2.Ka'idar aiki na firikwensin oxygen a cikin mota yana kama da na busasshen baturi, kuma sinadarin zirconia a cikin firikwensin yana aiki kamar electrolyte. Ka'idodin aikinsa na asali shine: a ƙarƙashin wasu yanayi, ana iya haifar da bambanci mai yuwuwa ta hanyar yin amfani da bambance-bambancen maida hankali na oxygen tsakanin ciki da waje na zirconia, kuma mafi girman bambancin maida hankali, mafi girman yiwuwar bambanci. Abun da ke cikin iskar oxygen a cikin yanayi shine 21%, kuma iskar iskar gas bayan konewar cakuda mai wadatar a zahiri ba ta da iskar oxygen. Gas mai shaye-shaye bayan konewar gaurayawan konewa ko sharar iskar gas saboda rashin wuta ya ƙunshi iskar oxygen da yawa, amma har yanzu yana da ƙasa da iskar oxygen da ke cikin yanayi. Karkashin catalysis na platinum a babban zafin jiki, ion oxygen da aka caje mara kyau ana tallata su akan saman ciki da na waje na hannun rigar zirconia. Saboda akwai iskar oxygen a sararin sama fiye da na iskar gas, gefen da ke sadarwa tare da yanayi a kan casing yana ɗaukar ions mara kyau fiye da wanda ke gefen iskar gas, kuma bambancin maida hankali na ions a bangarorin biyu yana haifar da ƙarfin lantarki.

3.Lokacin da iskar iskar oxygen a gefen iskar iskar gas na casing na mota ya yi ƙasa, ana haifar da babban ƙarfin lantarki (0.6 ~ 1V) tsakanin na'urorin lantarki na firikwensin oxygen, kuma ana aika siginar wutar lantarki zuwa ECU na mota don haɓakawa. ECU tana la'akari da siginar babban ƙarfin lantarki azaman cakuda mai wadatarwa da ƙaramin siginar wutar lantarki azaman cakuda mai raɗaɗi. Dangane da siginar wutar lantarki na firikwensin oxygen, kwamfutar tana dilutes ko wadatar da cakuda bisa ga ka'idar mafi kyawun iskar man fetur kamar yadda zai yiwu zuwa 14.7: 1. Saboda haka, firikwensin oxygen shine babban firikwensin don sarrafa ma'aunin man fetur ta hanyar lantarki. Sai kawai lokacin da firikwensin iskar oxygen yake a babban zafin jiki (ƙarshen ya kai fiye da 300 ° C) za a iya nuna halayensa sosai kuma wutar lantarki za ta iya fitowa. A kusan 800 ° C, yana da mafi saurin amsawa ga canjin cakuda, amma wannan yanayin zai canza sosai a ƙananan zafin jiki.