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Ni bangahe uzi kuri Lambda Sensor?

Lambda sensor, izwi kandi nka ogisijeni cyangwa λ-sensor, ni ubwoko bwizina rya sensor dushobora kumva kenshi.Birashobora kugaragara mwizina ko imikorere yacyo ifitanye isano n "ibirimo ogisijeni".Muri rusange hari ibyuma bibiri bya ogisijeni, kimwe inyuma yumuyoboro usohora undi inyuma yinzira eshatu za catalitiki.Iyambere yitwa sensor imbere ya ogisijeni, naho iyanyuma yitwa sensor ya inyuma ya ogisijeni.

 

Rukuruzi ya ogisijeni igena niba lisansi yaka bisanzwe muguhitamo ogisijeni muri gahunda.Ibisubizo byayo byerekana ECU amakuru yingenzi yo kugenzura moteri ya moteri.

 

Lambda Sensor

 

Uruhare rwa sensor ya ogisijeni

 

Kugirango ubone igipimo kinini cyo kweza gaze no kugabanya (CO) karubone monoxide, (HC) hydrocarubone na (NOx) ibice bya azote mu mwuka, ibinyabiziga bya EFI bigomba gukoresha catalizator yinzira eshatu.Ariko kugirango ubashe gukoresha uburyo butatu bwa catalitiki ihindura neza, igipimo cya peteroli yo mu kirere kigomba kugenzurwa neza kuburyo gihora cyegereye agaciro kerekana.Ihinduka rya catalitiki isanzwe ishyirwa hagati yimyuka myinshi na muffler.Sensor ya ogisijeni ifite ibiranga ko ingufu zayo zisohoka zifite impinduka zitunguranye hafi yikigereranyo cya peteroli ya peteroli (14.7: 1).Iyi mikorere ikoreshwa mugutahura ubunini bwa ogisijeni mumuriro no kuyigaburira kuri mudasobwa kugirango igenzure igipimo cya peteroli.Iyo igipimo nyacyo cya peteroli-mwuka kiba kinini, ubunini bwa ogisijeni muri gaze ya gaze yiyongera kandi sensor ya ogisijeni ikamenyesha ECU imiterere yimvange (imbaraga za electromotive: 0 volt).Iyo igipimo cya lisansi yo mu kirere kiri munsi yikigereranyo cya peteroli ya peteroli, ubwinshi bwa ogisijeni muri gaze ya gaze iragabanuka, kandi imiterere ya sensor ya ogisijeni ikamenyeshwa mudasobwa (ECU).

 

ECU isuzuma niba igipimo cya lisansi yo mu kirere ari gito cyangwa kiri hejuru hashingiwe ku itandukaniro ry’ingufu zituruka kuri sensororo ya ogisijeni, kandi ikagenzura igihe cyo gutera ibitoro bikwiranye.Ariko, niba sensor ya ogisijeni ifite amakosa kandi ingufu za electromotive zisohoka zidasanzwe, mudasobwa (ECU) ntishobora kugenzura neza igipimo cya peteroli.Kubwibyo rero, sensor ya ogisijeni irashobora kandi kwishura ikosa ryikigereranyo cya lisansi iterwa no kwambara ibindi bice bya sisitemu ya mashini na elegitoronike.Birashobora kuvugwa ko ari sensor yonyine "yubwenge" muri sisitemu ya EFI.

 

Imikorere ya sensor ni ukumenya niba ogisijeni mumuriro nyuma yo gutwikwa na moteri ikabije, ni ukuvuga ibirimo ogisijeni, hamwe na ogisijeni ihindurwamo ikimenyetso cya voltage kuri mudasobwa ya moteri, kugirango moteri ibashe kumenya kugenzura gufunga-kugenzura hamwe nikirere kirenze nkintego.Ihinduramiterere yinzira eshatu zifite uburyo bwiza bwo guhindura ibintu bitatu bihumanya hydrocarbone (HC), monoxyde de carbone (CO) na okiside ya azote (NOX) muri gaze ya gaze, kandi bigahindura cyane kandi bigahindura imyuka ihumanya ikirere.

 

Bigenda bite iyo sensor ya lambda inaniwe?

 

Kunanirwa kwa sensor ya ogisijeni n'umurongo wacyo uhuza ntibizatera gusa imyuka ihumanya ikirere gusa, ahubwo binangiza imikorere ya moteri, bigatuma imodoka igaragaza ibimenyetso nko guhagarara bidahagarara, imikorere ya moteri idahwitse, no kugabanuka kwamashanyarazi.Niba kunanirwa bibaye, bigomba gusanwa no gusimburwa mugihe.

 

Imbere ya ogisijeni ikoreshwa muguhindura imyuka ya gaze ivanze, kandi sensor ya ogisijeni yinyuma ni ugukurikirana imikorere yimikorere yinzira eshatu.Ingaruka zo kunanirwa imbere ya ogisijeni imbere yimodoka nuko imvange idashobora gukosorwa, ibyo bigatuma lisansi yimodoka yiyongera kandi imbaraga zigabanuka.

 

Noneho kunanirwa kwa ogisijeni bivuze ko imikorere yimikorere yinzira eshatu idashobora gucirwa urubanza.Iyo catalizike yinzira eshatu zananiwe, ntishobora kuvugururwa mugihe, amaherezo izagira ingaruka kumikorere ya moteri.

 

Nihe washora imari muri sensor ya lambda?

 

YASEN, nkumuyobozi wambere ukora sensor yimodoka mubushinwa, twagiye dutanga serivise yumwuga nibicuruzwa byiza cyane hamwe nabakiriya.Niba ubishakaUmuyoboro wa Lambda, ikaze kutwandikirakugurisha1@yasenparts.com.

 


Igihe cyo kohereza: Ugushyingo-24-2021