Imashini ya ogisijeni.
Imashini ya ogisijeni yimodoka nicyo kintu cyingenzi cyerekana ibitekerezo muri sisitemu yo kugenzura moteri ya EFI, kandi nigice cyingenzi cyo kugenzura ibyuka bihumanya ikirere, kugabanya ihumana ry’ibidukikije no kuzamura ubwiza bwa moteri ya moteri.
Hariho ubwoko bubiri bwa sensor ya ogisijeni, zirconi na dioxyde ya titanium.
Sensor ya Oxygene ni ugukoresha ibintu byoroshye bya ceramic kugirango bipime ubushobozi bwa ogisijeni mu ziko ritandukanye rishyushya cyangwa imiyoboro isohoka, ubare urugero rwa ogisijeni ihuye n’ihame ryo kuringaniza imiti, kugenzura no kugenzura igipimo cy’ibicanwa biva mu kirere mu itanura, kugira ngo byemeze Ibicuruzwa byujuje ubuziranenge n’ibisohoka mu bipimo byo gupima ibintu, bikoreshwa cyane muburyo bwose bwo gutwika amakara, gutwika amavuta, gutwika gaze no kugenzura itanura ry’ikirere.
Umuyoboro wa ogisijeni ukoreshwa mu kugenzura hakoreshejwe uburyo bwa elegitoronike uburyo bwo kugenzura ibitekerezo by’ibikoresho byo gutera lisansi kugira ngo hamenyekane ingufu za ogisijeni muri gaze isohoka hamwe n’ubucucike bw’ikigereranyo cya peteroli, kugira ngo ikurikirane igipimo cy’amavuta yo mu kirere (14.7: 1). muri moteri, no kohereza ibimenyetso byo gutanga ibitekerezo kuri mudasobwa.
Ihame ry'akazi
Sensor ya ogisijeni ikora kimwe na bateri, hamwe na element zirconia muri sensor ikora nka electrolyte. Ihame ryibanze ryakazi ni: mubihe bimwe (ubushyuhe bwo hejuru na catalizike ya platine), itandukaniro rya ogisijeni hagati yimbere ninyuma ya okiside ya Hao ikoreshwa mugutanga itandukaniro rishobora kuba, kandi uko itandukaniro ryibanze, niko itandukaniro rishobora kuba ryinshi; . Ibirimo umwuka wa ogisijeni mu kirere ni 21%, gaze ya gaze nyuma yo gutwikwa kwinshi ntabwo iba irimo ogisijeni, na gaze ya gaze isohoka nyuma yo gutwikwa kuvangwa na dilute cyangwa gaze ya gaze iterwa no kubura umuriro irimo ogisijeni nyinshi, ariko iracyari munsi cyane ya ogisijeni mu kirere.
Munsi ya catalizike yubushyuhe bwo hejuru na platine, ogisijeni ifatanye na sensor ya ogisijeni irakoreshwa, bityo itandukaniro rya voltage rikabyara, ibisohoka biva mumashanyarazi bivanze byegeranye bigera kuri 1V, naho imvange ya dilute ikagera kuri 0V. Dukurikije ibimenyetso bya voltage ya sensor ya ogisijeni, igipimo cya lisansi yo mu kirere igenzurwa kugirango ihindure ubugari bwa peteroli ya peteroli, bityo igenzura rya elegitoronike ya sensor ya ogisijeni nicyo kintu cyingenzi cyo gupima lisansi. Umuyoboro wa ogisijeni urashobora kurangwa gusa n'ubushyuhe bwo hejuru (iherezo rigera kuri 300 ° C) kandi rishobora gusohora voltage. Irasubiza vuba vuba impinduka zivanze kuri 800 ° C.
Inama
Sensor ya zirconium dioxyde de ogisijeni yerekana ihinduka ryimiterere yimvange yaka ikoresheje ihinduka ryumuvuduko wa voltage, naho sensor ya titanium dioxyde de ogisijeni yerekana ihinduka ryimvange yaka binyuze muguhindura imyigaragambyo. Sisitemu yo kugenzura ibikoresho bya elegitoronike ikoresha sensor ya zirconia ntishobora kugenzura igipimo nyacyo cya peteroli yo mu kirere hafi y’igipimo cy’amavuta yo mu kirere igihe moteri ikora nabi, mu gihe sensor ya titanium dioxyde de ogisijeni irashobora kandi kugenzura igipimo cy’ibicanwa by’umwuka hafi ya theoretical igipimo cya peteroli yo mu kirere iyo moteri ikora nabi.
Ingano yo gutera inshinge (ubugari bwa pulse ubugari) yahinduwe nigice gishinzwe kugenzura mugihe gito ukurikije ikimenyetso cya ogisijeni yerekana ko ikosora lisansi yigihe gito, igenzurwa na voltage isohoka ya sensor ya ogisijeni.
Gukosora lisansi igihe kirekire nigiciro cyagenwe nigice cyo kugenzura guhindura imikorere yimikorere yikigo gishinzwe kugenzura ukurikije ihinduka rya coefficient de la lisansi yigihe gito.
Ikosa rusange
Iyo sensor ya ogisijeni imaze kunanirwa, mudasobwa ya sisitemu yo gutera ibitoro bya elegitoronike ntishobora kubona amakuru y’ubushakashatsi bwa ogisijeni mu muyoboro wa gaze, bityo ntishobora gutanga ibitekerezo bigenzura igipimo cy’ibicanwa biva mu kirere, bizamura ikoreshwa rya moteri ya moteri hamwe n’umwanda uhumanya, na moteri izagaragara umuvuduko udafite ishingiro, kubura umuriro, kwiyongera nibindi bintu bibi. Kubwibyo, amakosa agomba kuvaho cyangwa gusimburwa mugihe gikwiye [1].
Ikosa ry'uburozi
Uburozi bwa Oxygene ni inshuro nyinshi kandi bigoye gukumira kunanirwa, cyane cyane gukoresha imodoka ya lisansi iyobowe, ndetse na sensor nshya ya ogisijeni, irashobora gukora ibirometero ibihumbi bike. Niba ari uburozi bworoheje gusa, noneho gukoresha ikigega cya lisansi idafite isasu irashobora gukuraho isasu hejuru ya sensor ya ogisijeni hanyuma ikayisubiza mubikorwa bisanzwe. Nyamara, akenshi bitewe nubushyuhe bwinshi bwo hejuru, isasu ryinjira mumbere yaryo, bikabuza ikwirakwizwa rya ion ogisijeni, bigatuma sensor ya ogisijeni idakora neza, icyo gihe irashobora gusimburwa gusa.
Byongeye kandi, uburozi bwa silicon ya sensor ya ogisijeni nabwo bukunze kugaragara. Muri rusange, silika yakozwe nyuma yo gutwikwa kwa silikoni ikubiye muri lisansi no gusiga amavuta, hamwe na gaze ya silicone itangwa no gukoresha nabi silikoni reberi ifunga gasketi bizatuma sensor ya ogisijeni inanirwa, bityo hagomba gukoreshwa amavuta meza meza hamwe namavuta yo gusiga. .
Mugihe cyo gusana, birakenewe guhitamo neza no gushiraho gasketi ya reberi, ntugashyireho imashini hamwe na anti-stick uretse izagaragajwe nuwabikoze kuri sensor, nibindi. Kubera gutwika moteri nabi, ububiko bwa karubone buba hejuru yubuso sensor ya ogisijeni, cyangwa amavuta cyangwa ivumbi nibindi byinjira byinjira imbere muri sensor ya ogisijeni, bizabangamira cyangwa bihagarika umwuka wimbere imbere imbere ya sensor ya ogisijeni, kugirango ibimenyetso bisohoka bya sensor ya ogisijeni bidahuye. ECU ntishobora gukosora igipimo cya peteroli yo mu kirere mugihe. Umusaruro wabitswe na karubone ugaragarira cyane cyane nko kwiyongera kwikoreshwa rya lisansi no kwiyongera gukabije kw’imyuka ihumanya ikirere. Muri iki gihe, niba imyanda ikuweho, izasubira mu mirimo isanzwe.
Kumenagura Ceramic
Ceramic ya sensor ya ogisijeni irakomeye kandi iravunitse, kandi gukomanga hamwe nibintu bikomeye cyangwa guhuha hamwe numuyaga mwinshi birashobora gutuma isenyuka bikananirana. Niyo mpamvu, birakenewe kwitonda cyane mugihe ukemura ibibazo no kubisimbuza mugihe.
Umugozi wo guhagarika urashya
Umugozi wo kurwanya ubushyuhe urashya. Kuri sensor ya ogisijeni yashyutswe, niba insinga irwanya ubushyuhe yatwitse, biragoye gutuma sensor igera kubushyuhe busanzwe bwakazi ikabura imikorere.
Guhagarika umurongo
Umuzenguruko w'imbere wa sensor ya ogisijeni urahagaritswe.
Uburyo bwo kugenzura
Kugenzura ubushyuhe
Kuraho icomeka rya sensor ya ogisijeni, hanyuma ukoreshe multimeter kugirango upime ubukana buri hagati ya pole ashyushya na pole yicyuma muri terminal ya ogisijeni. Agaciro ko guhangana ni 4-40Ω (reba amabwiriza yuburyo bwihariye). Niba bidahuye nibisanzwe, simbuza sensor ya ogisijeni.
Gupima ibitekerezo bya voltage
Iyo upimye ibitekerezo bya voltage ya sensor ya ogisijeni, icyuma gikoresha ibyuma bya sensor ya ogisijeni kigomba gucomeka, kandi umugozi muto ugomba gukurwa mumashanyarazi asohoka ya voltage ya reaction ya sensor ya ogisijeni ukurikije igishushanyo mbonera cy’icyitegererezo, kandi hanyuma ucomeka mumashanyarazi. Umuvuduko wogusubiramo urashobora gupimwa uhereye kumurongo wambere mugihe cya moteri (moderi zimwe na zimwe zirashobora gupima voltage yibitekerezo bya sensor ya ogisijeni iva mukibanza cyo kumenya amakosa). Kurugero, urukurikirane rwimodoka zakozwe na Toyota Motor Company zirashobora gupima voltage yumurongo wa sensor ya ogisijeni iturutse kuri terefone ya OX1 cyangwa OX2 muburyo bwo kumenya amakosa).
Iyo upimye ibitekerezo bya voltage ya sensor ya ogisijeni, nibyiza gukoresha ubwoko bwerekana icyerekezo gifite uburebure buke (mubisanzwe 2V) hamwe nimbogamizi nyinshi (kurwanya imbere kurenza 10MΩ). Uburyo bwihariye bwo gutahura nuburyo bukurikira:
1. Hindura moteri ishyushye mubushyuhe busanzwe bwo gukora (cyangwa ukore kuri 2500r / min nyuma yo gutangira 2min);
2. kuri wiring harness plug ya sensor ya ogisijeni.
3, reka moteri ikomeze gukora ku muvuduko wa 2500r / min, hanyuma urebe niba icyerekezo cya voltmeter gishobora kuzunguruka inyuma hagati ya 0-1V, hanyuma wandike umubare wa voltmeter yerekanwe muri 10s. Mubihe bisanzwe, hamwe niterambere ryokugenzura ibitekerezo, voltage yibitekerezo bya sensor ya ogisijeni izahora ihinduka hejuru no munsi ya 0.45V, kandi voltage yo gusubiza igomba guhinduka bitarenze inshuro 8 muri 10s.
Niba bitarenze inshuro 8, bivuze ko sensor ya ogisijeni cyangwa sisitemu yo kugenzura ibitekerezo idakora neza, ibyo bikaba bishobora guterwa no kwirundanya kwa karubone hejuru ya sensor ya ogisijeni, kugirango sensibilité igabanuke. Kugira ngo ibyo bishoboke, moteri igomba gukoreshwa kuri 2500r / min mu minota igera kuri 2 kugirango ikureho imyuka ya karubone hejuru ya sensor ya ogisijeni, hanyuma urebe niba voltage yatanzwe. Niba icyerekezo cya voltmeter kigihinduka gahoro gahoro nyuma ya karubone ishobora gukurwaho, byerekana ko sensor ya ogisijeni yangiritse, cyangwa kugenzura imiyoboro ya mudasobwa ikosa.
4, sensor ya ogisijeni igaragara ibara
Kuraho sensor ya ogisijeni mu muyoboro usohoka hanyuma urebe niba umwobo uva mu nzu ya sensor wafunzwe kandi intangiriro ya ceramic yangiritse. Niba byangiritse, simbuza sensor ya ogisijeni.
Amakosa arashobora kandi kugenwa no kureba ibara ryigice cyo hejuru cya sensor ya ogisijeni:
1, ibara ryerurutse hejuru: iri ni ibara risanzwe rya sensor ya ogisijeni;
2, hejuru yera: biterwa no kwanduza silikoni, sensor ya ogisijeni igomba gusimburwa muriki gihe;
3, hejuru yijimye (nkuko bigaragara ku gishushanyo 1): biterwa n’umwanda uhumanya, niba bikomeye, ugomba no gusimbuza sensor ya ogisijeni;
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Niba ushaka kumenya byinshi, komeza usome izindi ngingo kururu rubuga!
Nyamuneka uduhamagarire niba ukeneye ibicuruzwa nkibi.
Zhuo Meng Shanghai Auto Co., Ltd.yiyemeje kugurisha MG & MAUXS ibice byimodoka murakaza nezakugura.
