Indlela yokuhlanza i-lambda probe

Inzwa ye-oxygen (aka lambda probe) kufanele inqume ukugcwala komoyampilo wamahhala kumagesi akhiphayo enjini evuthayo yangaphakathi. Lokhu kwenzeka ngenxa yokuhlaziya i-O2 eyakhelwe kuyo. Uma inzwa ivalwe ngomsizi ongashi, idatha enikezwe yiyo izobe ingalungile.

Uma izinkinga ze-lambda zitholwa kusenesikhathi, ukubuyisela inzwa yomoya-mpilo kuzosiza ukuzilungisa. Ukuzihlanza ngokwakho kwe-lambda probe kukuvumela ukuthi uyibuyisele ekusebenzeni okujwayelekile futhi welule impilo yayo. Kodwa lokhu akulona iqiniso kuzo zonke izimo, futhi ukusebenza kahle kuncike ezindleleni ezisetshenzisiwe kanye nendlela yokusetshenziswa. Uma ufuna ukwazi ukuthi ukuhlanza i-lambda probe kusiza ngezinkinga ezihlukahlukene, ukuthi ungayihlanza kanjani kusuka ku-soot nokuthi kanjani - funda isihloko kuze kube sekupheleni.

Insiza elinganisiwe ye-lambda probe imayelana ne-100-150 km eyizinkulungwane, kodwa ngenxa yezithako zikaphethiloli ezinolaka, uphethiloli osezingeni eliphansi, ukushiswa kwamafutha nezinye izinkinga, kuvame ukuncishiswa kube yizinkulungwane ezingama-40-80. Ngenxa yalokhu, i-ECU ayikwazi ukulinganisa uphethiloli ngendlela efanele, ingxube iba buthakathaka noma icebile, injini iqala ukusebenza ngokungalingani futhi ilahlekelwa ukudonsa, iphutha elithi "Hlola injini" livela kuphaneli.

Izinkinga Ezivamile Zenzwa Yomoya-mpilo

ukuwohloka kwe-lambda probe, ngokusho kwabakhiqizi, akukwazi ukuqedwa, futhi uma kwenzeka ukwehluleka kuyadingeka ukuyishintsha ibe entsha noma ubeke i-snag. Kodwa-ke, ekusebenzeni, uma ubona inkinga yokusebenza ngesikhathi, unganweba kancane impilo yayo. Futhi hhayi kuphela ngenxa yokuhlanza, kodwa futhi ngokushintsha izinga likaphethiloli. Uma sikhuluma ngokungcola, ungakwazi ukuhlanza i-lambda probe ukuze iqale ukunikeza ukufundwa okulungile.

Kungcono ukuvuselela i-lambda kuphela ngemva kokuxilongwa kokuqala nokuqinisekisa, ngoba kungenzeka ukuthi lokhu kuzoba ukuchitha isikhathi kuphela.

Izinkinga ngenzwa ye-oxygen ziboniswa ngamaphutha kusuka ku-P0130 kuya ku-P0141, kanye ne-P1102 ne-P1115. Ukukhishwa kwekhodi ngayinye yazo kubonisa ngokuqondile uhlobo lokuhlukana.

Ukugxila kumbangela, ngokusekelwe kudatha yokuqala lapho uhlola inzwa ye-oxygen, kuzokwazi ukusho cishe ukuthi kukhona yini iphuzu ekuhlanzeni.

Izimpawu zokuqhekeka kwe-LZ	Kungani lokhu kwenzeka	Ihamba kanjani imoto?
Ukucindezeleka kwe-Hull	Ukuguga kwemvelo nokushisa ngokweqile kwenzwa	Izinkinga nge-XX, ingxube ethuthukisiwe ingena enjini yomlilo yangaphakathi, ukwanda kokusetshenziswa kukaphethiloli, iphunga elinamandla lokuphuma
Ukushisa okweqile kwenzwa	Kwenzeka ngokuthungela okungalungile: ngekhoyili ephukile noma izintambo, amakhandlela afaniswe ngokungalungile noma angcolile.	Izinkinga nge-XX, imikhiqizo evuthayo iyashisa ku-exhaust tract, injini ekhubekayo, ukulahlekelwa i-traction, isibhamu ku-muffler, ama-pops ekuthatheni kungenzeka.
Ukuvinjwa kwezindlu	Kwenzeka ngenxa yokwengeza uphethiloli wekhwalithi ephansi noma ukunqwabelana kwamadiphozithi ngenxa yebanga eliphakeme lemoto.	Ukusebenza okungazinzile kwenjini evuthayo yangaphakathi, ukulahleka kokudonsa, ukwanda kokusetshenziswa kukaphethiloli, iphunga elinamandla elivela epayipini lokukhipha umoya.
Izintambo ezilimele	Izintambo ziyabola, ziphuka emakhazeni, izikhindi ziye phansi, njll.	Ukusebenza okungazinzile kwenjini ngokungenzi lutho, ukulahlekelwa okuncane kokuphendula kwenjini kanye nokudonsa, ukwanda kwebanga legesi
Ukubhujiswa kwengxenye ye-ceramic ye-LZ	Ngemva kokushaya inzwa, isibonelo, ngemva kwengozi, ukuthinta isithiyo esinezingxenye zokukhipha umoya, noma ukulungisa ngokunganaki i-exhaust tract	Ukusebenza okungazinzile kokungenzi lutho, kathathu, ukusetshenziswa okukhulayo, ukulahlekelwa kokudonsa

Njengoba ubona, zonke izinhlobo zezinkinga zenzwa ye-oxygen zivela njengezimpawu ezifanayo. Lokhu kungenxa yokuthi uma i-lambda idlulisela idatha engalungile ekubunjweni kwengxube ku-ECU, "ubuchopho" buqala ukuphuza uphethiloli ngokungalungile futhi ulawule isikhathi sokuthungela. Uma kungekho isignali evela ku-sensor nhlobo, i-ECU ibeka injini yomlilo yangaphakathi kumodi yokusebenza okuphuthumayo ngemingcele "emaphakathi".

Uma ukuxilongwa kungazange kuveze izinkinga zemishini ngenzwa (izingxenye eziphukile, ukuguqulwa, ukuqhekeka), kodwa kuphela ukungcoliswa okuyisisekelo kwengxenye yayo yokushisa noma into ebucayi ngokwayo, ungazama ukuyibuyisela. Kodwa ngaphambi kokuhlanza inzwa ye-oxygen kusuka ku-carbon deposits, udinga ukuqinisekisa ukuthi i-wiring yayo iyasebenza (mhlawumbe izokwanela ukuqeda isifunda esivulekile, ukuhlanza othintana nabo noma ukufaka esikhundleni se-chip), kanye nokusebenza okujwayelekile kwe-chip. uhlelo lokuthungela.

Kungenzeka yini ukuhlanza i-lambda?

Ukubuyisela ukusebenza kwenzwa ye-oxygen ezimweni zegaraji kungenzeka uma sikhuluma ngokungcoliswa kwayo ngamadiphozithi avela emikhiqizweni yokushiswa kwamafutha. Akusizi ukuhlanza inzwa ephukile ngokomzimba, kufanele ishintshwe. Uma uthola uphenyo lwe-lambda engcolile, ukukhipha ikhabhoni kuzokubuyisela ekuphileni. Kungenzeka yini ukuhlanza i-lambda probe akufanelekile ukukhathazeka ngakho. Njengoba le nzwa iklanyelwe ukusebenza endaweni enolaka yamagesi ashisayo, ayikwesabi ukushisa, ukugeza kanye namanye amakhemikhali e-caustic. Kuphela ukuze ukhethe izindlela zokuhlanza ezingenziwa ngokuphepha, kuzodingeka ukunquma uhlobo lwenzwa.

Isici se-silvery metallic coating endaweni yokusebenza yenzwa sibonisa ukuba khona komthofu kuphethiloli. Umthombo wayo oyinhloko yisengezo se-TES (i-tetraethyl lead), esibulala ama-catalysts kanye nama-lambda probes. Ukusetshenziswa kwayo futhi akuvunyelwe, kodwa ingabanjwa kuphethiloli "oshile". Inzwa yomoya-mpilo eyonakaliswe umthofu ayikwazi ukubuyiselwa!

Ngaphambi kokuhlanza inzwa ye-lambda kumadiphozithi ekhabhoni, nquma uhlobo lwayo. Kunezinhlobo ezimbili eziyisisekelo:

I-zirconia yesokunxele, i-titanium yesokudla

• I-Zirconia. Izinzwa zohlobo lweGalvanic ezikhiqiza i-voltage ngesikhathi sokusebenza (kusuka ku-0 kuye ku-1 volt). Lezi zinzwa zishibhile, azithobekile, kodwa ziyahlukahluka ngokunemba okuphansi.
• I-Titanium. Izinzwa zohlobo olungazweli ezishintsha ukumelana kwento yokulinganisa phakathi nokusebenza. I-voltage isetshenziswa kulesi sici, esinciphisa ngenxa yokumelana (ihluka phakathi kwama-volts angu-0,1-5), ngaleyo ndlela ibonise ukwakheka kwengxube. Izinzwa ezinjalo zinembe kakhulu, zithambile futhi zibiza kakhulu.

Kungenzeka ukuhlukanisa i-zirconium lambda probe (inzwa ye-oxygen) ne-titanium ngokubukeka, ngokuya ngemibandela emibili:

• usayizi. Izinzwa ze-Titanium oxygen zihlangene kakhulu futhi zinezintambo ezincane.
• Izintambo. Izinzwa ziyahlukahluka ngemibala ye-braid: ukuba khona kwezintambo ezibomvu neziphuzi kuqinisekisiwe ukukhombisa i-titanium.

Uma ungakwazi ukunquma ngeso lengqondo uhlobo lwe-lambda probe, zama ukufunda ukumaka futhi ukuhlole ngokuya ngekhathalogi yomkhiqizi.

Ukuhlanza i-lambda ekungcoleni kwenziwa izengezo zamakhemikhali ezisebenzayo, njengama-acids nezinyibilikisi eziphilayo. Izinzwa ze-Zirconium, njengoba zingazweli kangako, zingahlanzwa ngama-asidi agxilile aqinile nezincibilikisi, kuyilapho izinzwa ze-titanium zidinga ukuphathwa ngobumnene. Kungenzeka ukususa i-carbon deposits ku-lambda yohlobo lwesibili kuphela nge-asidi ehlanjululwe kakhulu noma i-solvent ephilayo.

Ngingayihlanza kanjani i-lambda probe

Lapho ukhetha indlela yokuhlanza i-lambda probe kumadiphozithi ekhabhoni, kufanele ulahle ngokushesha izinto ezingase zibe nolaka ezicekela phansi inzwa. Ngokuya ngohlobo lwenzwa, lezi zihlanganisa:

• i-zirconium oxide (ZrO2) - i-hydrofluoric acid (isixazululo se-hydrogen fluoride HF), i-sulfuric acid egxilile (ngaphezu kuka-70% H2SO4) nama-alkali;
• i-titanium oxide (TiO2) - i-sulfuric acid (H2SO4), i-hydrogen peroxide (H2O2), i-ammonia (NH3), futhi akuthandeki ukuveza inzwa ekushiseni lapho kukhona i-chlorine (isibonelo, ku-hydrochloric acid HCl), i-magnesium. , i-calcium, i-ceramics ingasabela ngayo.

Kuyadingeka futhi ukusebenzisa izinto ezisebenza ngamakhemikhali futhi ezinolaka maqondana namadiphozithi ekhabhoni, kodwa angathathi hlangothi - maqondana nenzwa uqobo. Kunezinketho ezi-3 zokuhlanza amadiphozithi ekhabhoni kunzwa ye-oxygen:

I-Orthophosphoric acid yokuhlanza i-lambda probe

• i-inorganic acid (sulfuric, hydrochloric, orthophosphoric);
• ama-asidi e-organic (acetic);
• ama-organic solvents (ama-hydrocarbon alula, i-dimexide).

Kodwa ukuhlanza i-lambda probe nge-acetic acid noma imizamo yokukhipha amadiphozithi ngodaka i-citric acid kuzoba ngokuphelele engenamsebenzi. Funda ngezansi ukuze ufunde ukuthi ungayihlanza kanjani inzwa ye-lambda probe ngamakhemikhali ahlukahlukene.

Zenzele wena i-lambda probe yokuhlanza

ukuze ukuhlanza i-lambda probe ekhaya kungakuthathi isikhathi esiningi, ungabheka etafuleni umphumela olindelekile kanye nesikhathi esichithwe lapho usebenzisa ithuluzi elilodwa noma elinye. Lokhu kuzosiza ekunqumeni ukuthi ungayihlanza kanjani futhi kanjani inzwa ye-oxygen ngezandla zakho.

Kusho	Umphumela	Isikhathi sokuhlanza
Isicoci se-Carb (i-carburetor ne-throttle cleaner), izinyibilikisi ze-organic (uphalafini, i-acetone, njll.)	Izohamba ngokuvimbela, ayihambisani kahle ne-soot	Amadiphozithi aminyene cishe awakaze ahlanzwe, kodwa ukuhlanza okusheshayo kukuvumela ukuthi ugeze amadiphozithi amancane kusenesikhathi.
I-Dimexide	Ukusebenza okumaphakathi	Iwasha amadiphozithi alula emaminithini angu-10-30, ibuthakathaka ngokumelene namadiphozi amakhulu
Ama-organic acid		Awagezi ukungcola okunzima kakhulu, kodwa isikhathi eside, awasebenzi ekulweni nentshe eminyene.
I-Orthophosphoric acid	Isusa amadiphozithi kahle	Isikhathi eside ngokuqhathaniswa, kusuka kumaminithi angu-10-30 kuya ngosuku
I-Sulfuric acid		Ukusuka emaminithini angu-30 kuya emahoreni amaningana
IHydrochloric acid

Ukuze uhlanze i-lambda probe ekhaya futhi ungazilimazi, uzodinga amagilavu ​​enjoloba (nitrile) kanye nezibuko ezilingana kahle ebusweni bakho. Umshini wokuphefumula nawo ngeke uphazamise, okuzovikela izitho zokuphefumula entubeni eyingozi.

Ukuhlanza kahle inzwa ye-oxygen ngeke isebenze ngaphandle kwemishini enjalo:

Indlela yokuhlanza i-lambda probe - ividiyo enenqubo yokuhlanza

• izitsha zeglasi 100-500 ml;
• isomisi sezinwele esikwazi ukukhiqiza izinga lokushisa lama-60-80 degrees;
• ibhulashi elithambile.

Ngaphambi kokuhlanza inzwa ye-lambda probe, kuhle ukuyifudumeza ifike ezingeni lokushisa elingaphansi kwama-degree angu-100. Yilokho okwenziwa isomisi sezinwele. Kuyinto engathandeki ukusebenzisa umlilo ovulekile, ngoba ukushisa ngokweqile kulimaza inzwa. Uma uya kude kakhulu nezinga lokushisa, ukuhlanza okunjalo kwe-lambda ngezandla zakho kuzophela ngokuthengwa kwengxenye entsha!

Ezinye izinzwa zomoya-mpilo zinesembozo esivikelayo esingenazo izimbobo ezinkulu zokuvimbela ukufinyelela endaweni yokusebenza ye-ceramic kanye ne-leaching ye-carbon deposits. Ukuze uyisuse, ungasebenzisi amasaha, ukuze ungalimazi ama-ceramics! Ubuningi ongayenza kuleli cala ukwenza izimbobo ezimbalwa ku-casing, uqaphela izinyathelo zokuphepha.

Ukuhlanza i-Phosphoric acid

Ukuhlanza i-zirconium lambda probe usebenzisa isiguquli sokugqwala

Ukuhlanza i-lambda nge-phosphoric acid kuwumkhuba odumile futhi osebenza kahle. Le asidi inolaka olulinganiselwe, ngakho-ke iyakwazi ukubola amadiphozithi ekhabhoni namanye amadiphozithi ngaphandle kokulimaza inzwa ngokwayo. I-asidi egxilile (ehlanzekile) ifaneleka ku-zirconium probes, kuyilapho i-asidi e-dilute ifaneleka kuma-titanium probes.

Ingasetshenziswa hhayi kuphela ngendlela ehlanzekile (okunzima ukuyithola), kodwa futhi iqukethe amakhemikhali ezobuchwepheshe (i-soldering acid, i-acid flux, i-rust converter). Ngaphambi kokuhlanza inzwa ye-oxygen nge-asidi enjalo, kufanele ifudumale (bheka ngenhla).

Ukuhlanza i-lambda probe nge-rust converter, i-soldering noma i-phosphoric acid ehlanzekile iqukethe lezi zinyathelo ezilandelayo:

1. Gcwalisa imbiza yengilazi ene-asidi eyanele ukuze ucwilise inzwa ye-lambda ngokubaza.
2. Inzwa yokucwilisa ukusebenza ekugcineni ku-asidi, ishiya ingxenye yayo yangaphandle ngaphezu koketshezi, futhi lungisa kule ndawo.
3. Gcoba inzwa nge-asidi kusuka ku-10-30 imizuzu (uma idiphozithi incane) kufika emahoreni angama-2-3 (ukungcoliswa okukhulu), khona-ke ungabona ukuthi i-asidi iwagezile yini amadiphozithi ekhabhoni.
4. Ukusheshisa inqubo, ungashisa isitsha se-liquid usebenzisa isomisi sezinwele noma i-gas burner kanye nokugeza kwamanzi.

I-Orthophosphoric noma i-orthophosphate acid ayinamandla kakhulu futhi, kodwa iyakwazi ukucasula isikhumba nolwelwesi lwamafinyila lomzimba. Ngakho-ke, ukuze uphephe, udinga ukusebenzisana nayo ngamagilavu, izibuko kanye ne-respirator, futhi uma ifika emzimbeni, hlambulula ngamanzi amaningi kanye nesoda noma insipho.

Ukushiswa kwe-carbon deposit kwinzwa ye-oxygen ngemva kokuhlanza nge-asidi

Indlela yesibili yokuhlanza i-lambda probe nge-asidi iwumlilo:

1. Gcoba inzwa ngengxenye yokusebenza ku-asidi.
2. Yilethe kafushane elangabini, ukuze i-asidi iqale ukushisa futhi ihwamuke, futhi ukusabela kuyashesha.
3. Ngezikhathi ezithile cwilisa inzwa ku-asidi ukuze uvuselele ifilimu ye-reagent.
4. Ngemva kokumanzisa, yishise futhi phezu komshini wokushisa.
5. Lapho ama-deposit ephuma, hlambulula ingxenye ngamanzi ahlanzekile.

Le nqubo kufanele yenziwe ngokucophelela, hhayi ukuletha inzwa eduze kakhulu ne-burner. Inzwa ayakhelwe ukusebenza ngamazinga okushisa angaphezu kuka-800-900 degrees futhi ingase yehluleke!

Impendulo yombuzo wokuthi i-lambda ingahlanzwa nge-phosphoric acid incike ekusebenzeni ngezinga lokungcola. Amathuba okugeza amadiphozithi okukhanya maningi kakhulu, futhi uqweqwe oluqinile oluqinile ngeke lugezwe kalula kanjalo. Noma kufanele ucwilise isikhathi eside kakhulu (kuze kube usuku), noma usebenzise ukushisa okuphoqelekile.

Ukuhlanza nge-carburetor cleaner

Ukuhlanza i-lambda nge-carburetor ne-throttle cleaner kuyindlela evamile, kodwa ayisebenzi njenge-asidi. Okufanayo kusebenza nasezincibilikilweni eziphilayo eziguqukayo ezifana nophethiloli, i-acetone, ezigeza ukungcola okulula kakhulu. I-Carbcleaner ingcono kulokhu ngenxa yesisekelo sayo se-aerosol nokucindezela, okuwisa izinhlayiya zokungcola, kodwa impendulo yombuzo wokuthi kungenzeka yini ukuhlanza i-lambda probe ye-carburetor cleaners ivame ukuba yimbi. Amadiphozithi amancane kuphela ajwayele ukuwashwa, futhi lokhu kuwukutotosa nje.

Ukwelashwa okunjalo kungasetshenziswa ngezikhathi ezithile ngezinjongo zokuvimbela, ukugeza amadiphozi okukhanya kuwo lapho esanda kuqala ukwakha.

Ukuhlanza i-lambda probe nge-sulfuric acid

Ukuhlanza i-lambda probe nge-sulfuric acid kuyindlela eyingozi kakhulu, kodwa ephumelela kakhulu yokukhipha amadiphozithi amakhulu ekhabhoni endaweni yenzwa. Ngaphambi kokuhlanza i-lambda probe ekhaya, udinga ukuyithola futhi ekugxilweni kuka-30-50%. I-electrolyte yamabhethri ifaneleka kahle, enokugxila okulungile futhi ithengiswa ezindaweni ezithengisa izimoto.

I-Sulfuric acid iyinto enolaka eshiya ukushiswa kwamakhemikhali. Udinga kuphela ukusebenzisana nayo ngamagilavu, izibuko kanye nomshini wokuphefumula. Uma uthinta isikhumba, indawo yokungcola kufanele igezwe kakhulu ngesisombululo se-soda 2-5% noma amanzi anensipho ukuze unciphise i-asidi, futhi uma kwenzeka uthinta amehlo noma ukushisa okukhulu, thintana nodokotela ngokushesha ngemva kwalokho. ukuwasha.

Ukusebenzisa isicoci esinjalo se-acid lambda probe, ungakwazi ngisho nokuphumelela ekulweni nokungcola okungasuswanga ngezinye izindlela. Inqubo yokuhlanza imi kanje:

1. Dweba i-asidi emkhunjini ibe sezingeni elikuvumela ukuthi ucwilise inzwa eduze kwentambo.
2. Gxilisa inzwa futhi uyilungise iqonde.
3. Gcoba i-lambda probe ku-asidi imizuzu engu-10-30, uyivuse ngezikhathi ezithile.
4. Ngokungcola okuqhubekayo - ukwandisa isikhathi sokuchayeka sibe amahora angu-2-3.
5. Ngemva kokuhlanza, hlambulula futhi usule inzwa.

Ungakwazi ukusheshisa inqubo ngokufudumeza, kodwa gwema ukushisa ngokweqile nokuhwamulisa i-asidi.

I-Hydrochloric acid isebenza ngendlela efanayo, kodwa futhi inolaka kakhulu, ngakho-ke isetshenziswa ekugxilweni okubuthakathaka futhi idinga ukunakekelwa okwengeziwe lapho iphathwa. I-Hydrochloric acid itholakala, isibonelo, kwezinye izinto zokuhlanza usinki.

Impendulo yombuzo wokuthi kungenzeka yini ukuhlanza i-lambda probe nge-sulfuric acid noma i-hydrochloric acid ilungile kuphela ezinzwa ze-oxygen zirconium. I-Hydrochloric acid ivinjelwa i-titanium DC (i-titanium oxide isabela ne-chlorine), futhi i-sulfuric acid ivunyelwe kuphela ekugxilweni okuphansi (cishe u-10%).lapho kungasebenzi kakhulu.

Ukuhlanza i-lambda probe nge-dimexide

Indlela emnene iwukuhlanza inzwa ye-oxygen nge-dimexide, umuthi we-dimethyl sulfoxide onezakhiwo ze-solvent enamandla ephilayo. Ayisabeli nge-zirconium kanye ne-titanium oxides, ngakho-ke ilungele zombili izinhlobo ze-DC, ngenkathi iwasha namanye amadiphozithi ekhabhoni.

I-Dimexide iyisidakamizwa esinamandla okungena aqinile, sidlula ngokukhululekile kuma-membrane weseli. Iphephile iyodwa, kodwa inephunga elinamandla futhi ingavumela izinto eziyingozi ukuthi zingene emzimbeni zisuka kumadiphozithi enzwa ye-oxygen. Kudingekile ukusebenza naye kumagilavu ​​wezokwelapha kanye ne-respirator ukuze kuvikelwe isikhumba kanye nomgudu wokuphefumula.

Ukuhlanza i-lambda probe nge-dimexide kuqala ngokulungiswa kwesicoci, esiqala ukucwebezela ekushiseni kuka +18℃. ukuze uyincibilikise, udinga ukuthatha ibhodlela lomuthi bese uwushisa "ekugezeni kwamanzi".

Umphumela wokuhlanza nge-dimexide ngemuva kwemizuzu engama-20

kulungile ukuhlanza i-lambda probe nge-dimexide ngendlela efanayo nalapho usebenzisa ama-acids, kuphela kufanele ashiswe ngezikhathi ezithile. Kudingekile ukucwilisa ingxenye yokusebenza yenzwa ye-oxygen emkhunjini ngokulungiselela futhi uyigcine kuyo, ivuselela ngezikhathi ezithile. Ukuhlanza i-lambda nge-dimexide kudinga ukushisisa hhayi kakhulu ukusheshisa inqubo ukuze ugweme i-crystallization!

Ngokuvamile isigamu sehora kuya ehoreni lokuchayeka kwanele. Akusizi ukugcina inzwa ku-cleaner isikhathi eside, okungakaqedwa ngehora cishe akunakwenzeka ukuhamba ngosuku.

Uma ngemuva kokuhlanza ngomkhiqizo owodwa umphumela ungakugculisi, ungakwazi ukumelana nenzwa kwenye futhi, ungakhohlwa ukugeza kahle ukuze uvimbele ukusabela kwamakhemikhali okungathandeki.

Ungayihlanzi kanjani i-lambda probe emotweni

isincomo esiyisisekelo sokuthi ungayihlanzi kanjani i-lambda probe ngezandla zakho - ngaphandle kokulandela imiyalo ephathelene nokuhambisana kwama-asidi ne-sensor material. Kodwa futhi ungakwenzi okulandelayo:

• Ukushisisa okusheshayo nokupholisa. Ngenxa yokushintsha kwezinga lokushisa, ingxenye ye-ceramic yenzwa (i-zirconium efanayo noma i-titanium oxide) ingase iqhekeke. Yingakho ke ungayishisi ngokweqile inzwa, bese uyicwilisa endaweni yokuhlanza ebandayo. Uma sisheshisa inqubo ngokushisa, khona-ke i-asidi kufanele ifudumale, futhi ukuyiletha emlilweni kufanele ibe yesikhashana (indaba yemizuzwana), futhi ingavali.
• Khipha amadiphozithi ekhabhoni ngomshini. Ama-abrasive agents alimaza indawo yokusebenza yenzwa, ngakho-ke ngemva kokuhlanza nge-emery noma ifayela, ingalahlwa.
• Zama ukuhlanza ngokuthepha. Uma ungqongqoza ngayo kanzima, amathuba okukhipha umule mancane, kodwa ingozi yokuphuka izitsha zobumba iphezulu kakhulu.

Unganquma kanjani ukusebenza kahle kokuhlanza kwe-lambda probe?

Umphumela wokuhlanza i-lambda probe

Ukuhlanza i-lambda probe akuyona i-panacea yazo zonke izinkinga zayo. Izithasiselo ezisebenza ngamakhemikhali zingasusa kuphela amadiphozithi namadiphozithi, uqweqwe oluvimbela inzwa ekutholeni umoya-mpilo emagesini aphumayo.

Ukuthi ukuhlanza i-lambda probe kuyasiza yini kuncike ekutheni ukungcola bekuphikelele kangakanani, kanye nokungabikho kwezinye izinkinga ngesistimu kaphethiloli kanye nesistimu yokuthungela.

Uma i-DC ivuza, ayikwazi ukuqhathanisa ukufundwa nomoya "wereferensi", ingxenye ye-ceramic iphukile, iqhekeke ngenxa yokushisa ngokweqile - akukho okuzoshintsha ngemva kokuhlanza. Umphumela uzobe ungekho ngisho noma i-carbon deposits isuswa kuphela ekuvikelweni kwensimbi, ngoba inzwa ngokwayo ingaphakathi.

Ungahlola kanjani i-lambda probe ngemuva kokuhlanza

ukuze uhlole i-lambda probe ngemva kokuyihlanza, kungakuhle ukuthi uxhume ku-ECU nge-OBD-2 futhi wenze ukusetha kabusha kwephutha okuphelele. Ngemuva kwalokho, udinga ukuqala injini, uyivumele isebenze, ugibele imoto futhi ubale amaphutha futhi. Uma inqubo iphumelele, ukukhanya kwe-Check Engine kuzocisha futhi amaphutha e-lambda ngeke aphinde avele.

Ungahlola inzwa ngaphandle kwesithwebuli se-OBD-2 esine-multimeter. Ukuze wenze lokhu, thola intambo yesiginali ku-pinout yayo bese wenza lezi zinqubo ezilandelayo.

1. Qala injini yomlilo yangaphakathi bese uyifudumeza, ukuze i-DC ifinyelele izinga lokushisa lokusebenza.
2. Vula i-multimeter kumodi yokulinganisa i-voltage ye-DC.
3. Xhuma ocingweni lwesignali ye-lambda (ngokuvumelana nephinikhodi) ngaphandle kokunqamula i-chip nge-probe ethi "+", kanye ne-probe ethi "-" phansi.
4. Buka ukufundwa: ekusebenzeni, kufanele kuguquguquke kusuka ku-0,2 kuye ku-0,9 volts, kushintshe okungenani izikhathi eziyi-8 ngemizuzwana eyi-10.

Amagrafu we-voltage yenzwa ye-oxygen evamile futhi uma kwenzeka ukuphuka

Uma ukufundwa kuntanta - inzwa iyasebenza, konke kuhamba kahle. Uma zingashintshi, isibonelo, zigcina ezingeni elilinganiselwa ku-0,4-0,5 volts ngaso sonke isikhathi, inzwa kuzodingeka ishintshwe. Amanani angaguquki e-threshold (cishe u-0,1-0,2 noma 0,8-1 volts) angase abonise kokubili ukuwohloka kwenzwa yomoya-mpilo kanye nokunye ukungasebenzi kahle okuholela ekwakhekeni kwengxube okungalungile.

Ingabe ikhona inzuzo yokuhlanza inzwa ye-oxygen?

Ekugcineni, ungacacisa ngokungaqondile ukusebenza kahle kokuhlanza ngokushayela imoto kancane. Uma ukusebenza okuvamile kwenzwa yomoya-mpilo kubuyiselwa, ukungenzi lutho kuzoba bushelelezi, i-ICE thrust kanye nokuphendula kwe-throttle kuzobuyela kokujwayelekile, futhi ukusetshenziswa kukaphethiloli kuzokwehla.

Kodwa akunakwenzeka ngaso sonke isikhathi ukuqonda ngokushesha ukuthi ukuhlanza i-lambda probe kusize: ukubuyekezwa kubonisa ukuthi ngaphandle kokusetha kabusha ikhompyutha, ngezinye izikhathi udinga ukuhamba usuku noma ezimbili ngaphambi kokuba umphumela uvele.