Dareemaha Ogsajiinta (Lambda probe)

Dareemka ogsijiinta (OC), oo sidoo kale loo yaqaano baaritaanka lambda, wuxuu cabbiraa cadadka ogsijiinta ku jirta gaaska qiiqa isagoo u diraya calaamad unugga kantaroolka matoorka (ECU).

Xagee ku yaalaa dareeraha ogsijiinta?

Dareemka hore ee ogsijiinta DK1 ayaa lagu rakibay tuubada qiiqa hore ama tuubada qiiqa hore ee ku hor taal beddelaha catalytic. Sidaad ogtahay, beddelaha catalytic waa qaybta ugu weyn ee nidaamka xakamaynta qiiqa baabuurka.

Baaritaanka dambe ee DK2 lambda wuxuu ku rakiban yahay qiiqa ka dib beddelaha catalytic.

Matoorada 4-dhululubo, ugu yaraan laba baaritaan oo lambda ah ayaa lagu rakibay. Matoorada V6 iyo V8 waxay leeyihiin ugu yaraan afar dareeme O2.

ECU waxay isticmaashaa calaamada ka timaadda dareeraha ogsijiinta ee hore si ay u hagaajiso isku dhafka hawada iyo shidaalka iyada oo ku daraysa ama yaraynaysa xaddiga shidaalka.

Calaamadaha dareemaha ogsijiinta ee danbe waxa loo isticmaalaa in lagu xakameeyo hawsha beddelka kataliska. Baabuurta casriga ahi waxay isticmaalaan dareeraha saamiga hawada iyo shidaalka halkii ay ka isticmaali lahaayeen baaritaanka hore ee lambda. Waxay u shaqeysaa si la mid ah, laakiin leh saxnaan weyn.

Sida dareeme ogsijiin u shaqeeyo

Waxaa jira dhowr nooc oo ah dareemayaasha lambda, laakiin fududaynta aawadood, maqaalkan waxaan kaliya ka fiirsan doonaa dareemayaasha oksijiinta ee tamarta caadiga ah.

Sida magacaba ka muuqata, dareemaha oksijiinta danab dhaliya ayaa soo saara koronto yar oo u dhiganta faraqa u dhexeeya qadarka ogsijiinta ee gaaska qiiqa iyo gaaska qiiqa.

Hawlgalka saxda ah, baaritaanka lambda waa in lagu kululeeyaa heerkul gaar ah. Dareemka caadiga ah ee casriga ah wuxuu leeyahay walxo kuleyliyaha korantada gudaha kaas oo ku shaqeeya mishiinka ECU.

Marka isku dhafka shidaalka-hawo (FA) ee gelaya mishiinka uu yahay mid caato ah (aan shidaal ku filan iyo hawo badan), ogsajiin badan ayaa ku haray gaaska qiiqa, iyo dareeraha oksijiinta ayaa soo saara danab aad u hooseeya (0,1-0,2 V).

Haddii unugyada shidaalku ay qani yihiin (Shidaal aad u badan iyo hawo aan ku filnayn), waxaa ku yar ogsajiinta ku hadhay qiiqa, markaa dareemaha ayaa dhalin doona danab badan (qiyaastii 0,9V).

Hagaajinta saamiga hawada iyo shidaalka

Dareemka hore ee ogsijiinta ayaa mas'uul ka ah ilaalinta saamiga hawada/ shidaalka ugu fiican ee matoorka, kaas oo qiyaastii ah 14,7:1 ama 14,7 qaybood hawo ilaa 1 qayb shidaal.

Cutubka kantaroolku wuxuu nidaamiyaa isku dhafka shidaalka hawada iyo hawada iyadoo lagu saleynayo xogta laga helay dareeme ogsijiin hore. Marka dareemaha hore ee ogsijiinta uu ogaado heerarka ogsijiinta sare, ECU waxay u malaynaysaa in mishiinku ku socdo caatada ( shidaal kuma filna) sidaas darteedna wuxuu ku darayaa shidaal.

Marka heerarka ogsijiinta qiiqu hooseeyo, ECU waxay u malaynaysaa in mishiinku qani ku socdo (shidaal aad u badan) oo ay yarayso bixinta shidaalka.

Habkani waa mid joogto ah. Kumbiyuutarka matoorku wuxuu si joogto ah u kala beddelaa isku-dhafka caatada ah iyo kuwa hodanka ah si uu u ilaaliyo saamiga hawada / shidaalka ugu fiican. Habkan waxa loo yaqaan hawlgalka loop xidhan.

Haddii aad eegto calaamada korantada dareeraha oksijiinta ee hore, waxay u dhaxayn doontaa 0,2 volts (isku darka caatada ah) ilaa 0,9 volts (isku dar qani ah).

Marka baabuurka uu qabow bilaabo, dareeraha ogsijiinta hore si buuxda uma kulula, ECU ma isticmaasho calaamadda DC1 si ay u maamusho bixinta shidaalka. Habkan waxa loo yaqaan loop furan. Kaliya marka shidmadu si buuxda u kululaado ayaa nidaamka durista shidaalku galo qaab xiran.

Baabuurta casriga ah, halkii laga heli lahaa dareeraha ogsijiinta ee caadiga ah, dareeraha saamiga hawada iyo shidaalka ballaadhan ayaa lagu rakibay. Dareemka saamiga hawada / shidaalka si kala duwan ayuu u shaqeeyaa, laakiin wuxuu leeyahay ujeedo isku mid ah: si loo go'aamiyo in isku dhafka hawada/shidaalka gelaya mishiinka uu qani yahay ama uu caato.

Dareemka saamiga hawada iyo shidaalka ayaa aad u saxsan wuxuuna cabbiri karaa baaxad ballaaran.

Dareeraha oksijiinta ee dambe

Dareemka ogsijiinta ee dambe ama kan hoose wuxuu ku yaalaa qiiqa ka dib beddelaha catalytic. Waxay cabbirtaa cadadka ogsijiinta ee ku jirta gaaska qiiqa ka baxaya kicinta. Calaamadda ka timaadda baaritaanka lambda dambe ayaa loo isticmaalaa si loola socdo waxtarka beddelaha.

Kantarooluhu wuxuu si joogto ah u barbar dhigaa calaamadaha ka imanaya dareemayaasha hore iyo kuwa dambe ee O2. Iyada oo ku saleysan laba calaamadood, ECU waxay ogtahay sida wanaagsan ee beddelaha catalytic u shaqeeyo. Haddii beddelka wax-ka-beddeluhu uu guul-darraysto, ECU waxay shidaysaa nalka Matoorka Hubinta si uu kuu ogeysiiyo.

Dareemaha ogsijiinta dambe waxa lagu tijaabin karaa iyadoo la isticmaalayo iskaanka ogsijiinta, adabtarada ELM327 oo leh software Torque, ama oscilloscope.

Aqoonsiga Dareemka Ogsajiinta

Baadhitaanka hore ee lambda ee hor yaal beddelaha catalytic waxa badanaa loo yaqaan dareenka korka ama dareemayaasha 1.

Dareemaha dambe ee la rakibay ka dib beddelaha catalytic waxaa loo yaqaan dareenka hoose ama dareemayaasha 2.

Matoorka caadiga ah ee 4-dhululubo wuxuu leeyahay hal baloog (bangi 1/bangi 1). Sidaa darteed, mashiinka 4-dhululubo ee khadka ah, ereyga "bank 1, sensor 1" wuxuu si fudud u tilmaamayaa dareeraha hore ee ogsijiinta. "Bank 1 Sensor 2" - dareeme ogsijiin dambe.

Wax badan ka sii akhri: Waa maxay bangiga 1, bangiga 2, dareeraha 1, dareeraha 2?

Matoorka V6 ama V8 wuxuu leeyahay laba baloog (ama laba qaybood oo ka mid ah "V"). Caadi ahaan baloogga injiinka ka kooban dhululubada #1 waxaa loo yaqaan "bangi 1".

Soosaarayaasha baabuurta kala duwan ayaa si kala duwan u qeexaya Bank 1 iyo Bank 2. Si aad u ogaato halka ay Bank 1 iyo Bank 2 ku yaalaan gaarigaaga, waxaad ka eegi kartaa buug-gacmeedkaaga dayactirka ama Google sanadka, samaynta, moodelka, iyo cabbirka injiinka.

Beddelka dareeraha ogsijiinta

Dhibaatooyinka dareemayaasha oksijiinta waa wax caadi ah. Baarista lambda ee khaldan waxay u horseedi kartaa isticmaalka shidaalka oo kordha, qiiqa sii daaya iyo dhibaatooyinka kala duwan ee wadista (dhibitaanka revs, dardargelinta liidata, revs sabeynaya, iwm.). Haddii dareemaha ogsijiinta uu cilladaysan yahay, waa in la beddelaa.

Baabuurta badankooda, beddelka DC-ga waa hab fudud oo cadaalad ah. Haddii aad rabto in aad naftaada ku beddesho dareeraha ogsijiinta, adiga oo leh xirfado iyo buug-gacmeedka dayactirka, maaha wax adag, laakiin waxa laga yaabaa in aad u baahato xidhiidhiye gaar ah oo dareemaha ah (sawirka).

Mararka qaarkood ka saarida baaritaanka hore ee lambda way adkaan kartaa maadaama ay badanaa aad u daxalaysan tahay.

Wax kale oo maskaxda lagu hayo ayaa ah in baabuurta qaar la og yahay in ay dhibaato ku qabaan beddelka dareemayaasha ogsijiinta.

Tusaale ahaan, waxaa jira warbixino ku saabsan dareeraha ogsijiinta ee suuqa ka dambeeya oo dhibaato ku keenaya matoorada Chrysler qaarkood. Haddii aadan hubin, waxaa fiican inaad had iyo jeer isticmaasho dareenka asalka ah.