Zenzele wena lambda probe snag

Ngemuva kokubhujiswa noma ukususwa kwe-catalyst noma ukwehluleka kwenzwa ye-oxygen (i-lambda probe), injini yomlilo yangaphakathi isebenza ngemodi engeyona efanelekile ngenxa yokulungiswa okungalungile kwengxube yamafutha omoya, futhi inkomba ye-Check Engine ikhanya. iphaneli yezinsimbi. Izindlela ezihlukahlukene zokukhohlisa i-electronic control unit zivumela ukuxazulula le nkinga.

Uma inzwa ye-oxygen isebenza, i-mechanical snag lambda probe izosiza, uma ihluleka, ungasebenzisa i-electronic. Funda ngezansi ukuze ufunde ukuthi ungathatha kanjani i-snag ye-lambda probe noma uzenzele ngokwakho.

Isebenza kanjani i-lambda probe snag

I-Lambda probe snag - idivayisi ehlinzeka ngokudluliselwa kukhompyutha kokuqukethwe kwe-oxygen elilungile kumagesi okukhipha umoya, uma imingcele yangempela ingahambisani nayo. Le nkinga ixazululwa ngokulungisa ukufundwa kwe-analyzer yegesi ekhona noma isignali yayo. Inketho engcono kakhulu kukhethwe kuye ngesigaba sezemvelo namamodeli ezimoto.

Kunezinhlobo ezimbili zokukopela:

• Mechanical (isikulufu-somkhono noma i-mini-catalyst). Umgomo wokusebenza usekelwe ekudaleni umgoqo phakathi kwenzwa ye-oxygen namagesi ohlelweni lokukhipha umoya.
• I-elekthronikhi (i-resistor ene-capacitor noma isilawuli esihlukile). I-emulator ibekwe endaweni yezintambo noma esikhundleni se-DC evamile. Umgomo wokusebenza kwe-electronic lambda probe snag ukulingisa ukufundwa kwenzwa okulungile.

I-screw-in sleeve (i-dummy) ikuvumela ukuba ukhohlise ngempumelelo i-ECU yezimoto ezindala ezihlangabezana nesigaba sezemvelo okungenani i-Euro-3, futhi i-mini-catalyst ifaneleka ngisho nasezimotweni zanamuhla ezinezindinganiso ezifika ku-Euro-6. Kuzo zombili izimo, i-DC esebenzisekayo iyadingeka, efakwe emzimbeni we-snag. ngakho-ke ingxenye esebenzayo yenzwa izungezwe amagesi ahlanzekile futhi idlulisela idatha evamile kukhompyutha.

I-Lambda probe snag - i-mini-catalyst (igridi ye-catalyst iyabonakala)

I-Factory custom probe emulator ku-microcontroller

Ngokuhlanganiswa kwe-elekthronikhi okusekelwe ku-resistor kanye ne-capacitor, akusona isigaba semvelo esibalulekile, kodwa isimiso sokusebenza kwekhompyutha. Isibonelo, le nketho ayisebenzi ku-Audi A4 - ikhompyutha izokhiqiza iphutha ngenxa yedatha engalungile. Ngaphezu kwalokho, akwenzeki ngaso sonke isikhathi ukukhetha imingcele efanelekile yezingxenye ze-elekthronikhi. I-electronic snag ene-microcontroller ilingisa ngokuzimela ukusebenza kwenzwa ye-oxygen, ngisho noma ingekho futhi ingasebenzi ngokuphelele.

Kunezinhlobo ezimbili zamaqhinga kagesi azimele ane-microcontroller:

• ezizimele, ezikhiqiza isignali yokusebenza okujwayelekile kwe-lambda;
• ukufundwa kokulungisa ngokwenzwa yokuqala.

Uhlobo lokuqala lwe-emulators luvame ukusetshenziswa ezimotweni ezine-LPG yesizukulwane esidala (kufika ku-3), lapho ushayela ngegesi, kubalulekile ukudala ukubukeka kokusebenza okuvamile kwenzwa ye-oxygen. Eyesibili ifakwe ngemva kokusika i-catalyst esikhundleni se-lambda yesibili futhi ilingise ukusebenza kwayo okujwayelekile ngokusho kokufundwa kwenzwa yokuqala.

Ungayenza kanjani i-lambda probe snag yakho

Zenzele ngokwakho i-lambda probe snag: ividiyo yokukhiqiza i-spacer

Uma unethuluzi elilungile, ungenza i-lambda probe izibambezele ngokwakho. Okulula kakhulu ukuwenza umkhono wemishini kanye nesifanisi se-elekthronikhi esine-resistor kanye ne-capacitor.

Ukuze wenze i-pacifier udinga:

• insimbi yensimbi;
• i-blank blank encane yethusi noma insimbi engagqwali (ubude mayelana 60-100 mm, ukujiya mayelana 30-50 mm);
• abasiki (ukusika, okuyisicefe kanye nokusika intambo) noma abasiki ?, thinta bese uyafa.

Ukuze wenze inhlanganisela ye-elekthronikhi ye-lambda probe, uzodinga:

Ukwenza inhlanganisela ye-elekthronikhi yenzwa ye-oxygen ngezandla zakho: ividiyo

• ama-capacitor 1–5 uF;
• ama-resistors 100 kOhm - 1 mOhm kanye / noma isilungisi esinobubanzi obunjalo;
• i-ironering iron;
• i-solder kanye ne-flux;
• ukwahlukanisa;
• ibhokisi lecala;
• i-sealant noma i-epoxy.

Ukuguqula isikulufu nokwenza inhlanganisela ye-elekthronikhi elula, enamakhono afanelekile (i-electronic turning / soldering), ngeke kuthathe isikhathi esingaphezu kwehora. Ngezinye izinketho ezimbili kuzoba nzima kakhulu.

Kuyoba nzima ukuthola izingxenye ezidingekayo zokwenza i-mini-catalyst ekhaya, futhi udale i-simulator yesignali ezimele ku-microcontroller, ngaphezu kwe-microchip, udinga i-electronics eyisisekelo namakhono okuhlela.

futhi kuzotshelwa ukuthi ungayenza kanjani i-snag ye-lambda probe ngemuva kokukhipha i-catalyst, ukuze Hlola amaphutha we-Engine ngamakhodi P0130-P0179 (ahlobene ne-lambda), i-P0420-P0424 ne-P0430-P0434 (amaphutha we-catalyst) angenzeki.

Ukukhohlisa eyokuqala (noma okuwukuphela kwayo emotweni efika ku-Euro-3) i-lambda probe iwukuba kuphela ushayela ngomjovo onezizukulwane ezifakiwe ze-HBO 1-3 (ngaphandle kwempendulo)! Ukushayela ngophethiloli, kuyinto engathandeki kakhulu ukuhlanekezela ukufundwa kwenzwa ephezulu ye-oxygen, ngoba ingxube yamafutha omoya ilungiswa ngokusho kwabo!

Uhlelo lwe-electronic snag

I-electronic snag ye-lambda probe isebenza ngomgomo wokuhlanekezela isignali yenzwa yangempela kuleyo edingekayo ekusebenzeni okuvamile kwenjini. Kunezinketho ezimbili zesistimu:

• Nge-resistor kanye ne-capacitor. Isifunda esilula esikuvumela ukuthi ushintshe ukuma kwesignali kagesi kusuka ku-DC ngokufaka i-solder ezingxenyeni ezengeziwe. I-resistor isebenza ukunciphisa i-voltage kanye namanje, futhi i-capacitor isebenza ukuqeda i-voltage ripple emthwalweni. Lolu hlobo lwe-blende luvame ukusetshenziswa ngemuva kokuthi i-catalyst isikiwe ukuze ilingise ubukhona bayo.
• Nge-microcontroller. I-electronic snag ye-lambda probe enephrosesa yayo iyakwazi ukukhiqiza isignali elingisa ukufundwa kwenzwa ye-oxygen esebenzayo. Kukhona ama-emulators ancikile ahlanganiswe ne-DC yokuqala (engenhla), nama-emulators azimele akhiqiza isignali ngaphandle kwemiyalo yangaphandle.

Uhlobo lokuqala lusetshenziselwa ukukhohlisa i-ECU ngemuva kokususwa noma ukwehluleka kwe-catalyst. Eyesibili nayo ingasebenza ngalezi zinhloso, kodwa kaningi isetshenziswa njenge-snag ye-lambda probe yokuqala yokushayela okuvamile nge-HBO yesizukulwane esidala.

Uhlelo lwe-electronic blende yenzwa ye-oxygen

I-electronic snag ye-lambda probe, isiyingi esivezwe ngenhla, iqukethe izakhi ezimbili kuphela futhi kulula ukuyikhiqiza, kodwa ingadinga ukukhethwa kwezingxenye zomsakazo ngenani elibonakalayo.

Ukuhlanganiswa kwe-resistor ne-capacitor ku-wiring

Inhlanganisela ye-elekthronikhi ye-lambda probe ku-resistor ene-capacitor

I-resistor kanye ne-capacitor ingahlanganiswa emotweni enezinzwa ezimbili ze-oxygen eneklasi lezemvelo i-Euro-3 nangaphezulu. Yenza ngokwakho i-electronic snag ye-lambda probe yenziwa kanje:

• i-resistor idayiswa ekuqhekekeni kocingo lwesignali;
• i-non-polar capacitor ixhunywe phakathi kwentambo yesignali nomhlabathi, ngemva kwe-resistor, ohlangothini lwesixhumi senzwa.

Isimiso sokusebenza kwe-simulator silula: ukumelana kumjikelezo wesignali kunciphisa okwamanje okuvela ku-sensor yesibili ye-oxygen, futhi i-capacitor ibushelelezi ukushaywa kwayo. Ngenxa yalokho, i-ECU yokujova "icabanga" ukuthi i-catalyst iyasebenza futhi okuqukethwe komoya-mpilo ekukhipheni kungaphakathi kwebanga elijwayelekile.

Zenzele wena i-lambda probe snag scheme

Ukuze uthole isignali efanele (i-pulse shape), udinga ukukhetha imininingwane elandelayo:

• i-non-polar film capacitor kusuka ku-1 kuya ku-5 microfarads;
• i-resistor ukusuka ku-100 kΩ ukuya ku-1 MΩ ngokuchithwa kwamandla okungu-0,25–1 W.

Ukwenza kube lula, ungasebenzisa kuqala i-resistor yokushuna ngalobu bubanzi, ukuze uthole inani elifanelekile lokumelana. Isekhethi ejwayeleke kakhulu ine-resistor engu-1 MΩ kanye ne-1 uF capacitor.

Udinga ukuxhuma i-snag ekuqhekekeni kwehhanisi lezintambo zenzwa, kuyilapho okungcono kakhulu kude nezinto ezishisayo zokukhipha umoya. ukuze uvikele izingxenye zomsakazo kusuka kumswakama kanye nokungcola, kungcono ukuzibeka esimweni bese ugcwalisa nge-sealant noma i-epoxy.

I-emulator ingakhiqizwa ngendlela ye-adaptha-spacer phakathi kwezixhumi ze-lambda probe "umama" kanye "nobaba" kusetshenziswa izixhumi ezifanele.

Ibhodi le-Microprocessor endaweni ye-lambda probe wiring break

I-electronic snag ye-lambda probe ku-microcontroller iyadingeka ezimweni ezimbili:

• ukufaka esikhundleni sokufundwa kwenzwa yokuqala (noma kuphela) ye-oxygen lapho ushayela ku-HBO 2 noma izizukulwane ezi-3;
• esikhundleni sokufundwa kwe-lambda yesibili yemoto ene-Euro-3 nangaphezulu ngaphandle kwe-catalyst.

Ungakwazi ukuhlanganisa i-emulator yenzwa ye-oxygen kusilawuli esincane sokwenza ngokwakho se-HBO usebenzisa isethi elandelayo yezingxenye zomsakazo:

• isekethe edidiyelwe i-NE555 (isilawuli esiyinhloko esikhiqiza ama-pulses);
• ama-capacitors 0,1; 22 kanye no-47 uF;
• ama-resistors we-1; 2,2; 10, 22 kanye ne-100 kOhm;
• I-diode ekhipha ukukhanya;
• edluliselwe.

Zenzele ngokwakho i-electronic snag ye-lambda probe - umdwebo we-HBO

Inhlanganisela echazwe ngenhla ixhunywe nge-relay kusike intambo yesiginali phakathi kwenzwa yomoya-mpilo nekhompyutha. Uma usebenza ngegesi, i-relay ihlanganisa i-emulator kusekethe ekhiqiza amasiginali wenzwa ye-oxygen mbumbulu. Lapho ushintshela kuphethiloli, inzwa ye-oxygen ixhunywe ngqo kukhompyutha isebenzisa i-relay. ngale ndlela, kokubili ukusebenza okuvamile kwe-lambda kuphethiloli kanye nokungabikho kwamaphutha kugesi kufinyelelwa ngesikhathi esifanayo.

Uma uthenga i-emulator esenziwe ngomumo ye-lambda probe yokuqala ye-HBO, izobiza cishe ama-ruble angama-500-1000..

Kungenzeka futhi ukukhiqiza i-electronic snag ye-lambda probe ukuze ulingise ukufundwa kwenzwa yesibili ngezandla zakho. Ukuze wenze lokhu uzodinga:

• ama-resistors angu-10 no-100 ohms (ama-2 ama-pcs.), 1; 6,8; 39 futhi 300 kOhm;
• ama-capacitor we-4,7 kanye ne-10 pF;
• ama-amplifiers LM358 (2 ama-pcs.);
• I-Schottky diode 10BQ040.

Umjikelezo kagesi we-emulator ecacisiwe uboniswa esithombeni. Umgomo wokusebenza kwe-snag ukushintsha ukufundwa kokuphuma kwenzwa ye-oxygen yokuqala futhi uyidlulisele kukhompyutha ngaphansi kwesithunzi sokufunda kusukela kwesibili.

Uhlelo lwe-emulator ye-elekthronikhi elula ye-lambda probe yesibili

Uhlelo olungenhla lukhona yonke indawo, likuvumela ukuthi ulingise ukusebenza kwazo zombili izinzwa ze-titanium ne-zirconium oxygen.

I-emulator esenziwe ngomumo ye-lambda probe yesibili esekelwe ku-microcontroller izobiza kusuka kuma-ruble ayizinkulungwane ezingu-1 kuye kwezingu-5, kuye ngokuthi yinkimbinkimbi..

Umdwebo we-mechanical snag

Umdwebo wengxubevange yemishini ye-lambda probe yezinzwa eziningi ze-zirconium ze-Euro-3: chofoza ukuze ukhulise

I-mechanical snag ye-lambda probe ingasetshenziswa emotweni ene-catalyst ekude kanye nenzwa ye-oxygen yesibili (ephansi). I-screw dummy enembobo isebenza ngokujwayelekile ku-Euro 3 kanye nemishini yezinga eliphansi, izinzwa zayo ezingazweli kakhulu. Inhlanganisela yemishini ye-lambda probe, umdwebo wayo oboniswe emfanekisweni, ungowalolu hlobo.

Nge-Euro-4 nangaphezulu, udinga i-snag ene-miniature catalytic converter ngaphakathi. Izohlanza amagesi endaweni yezinzwa, ngaleyo ndlela ilingise ukusebenza kwe-catalyst evamile engekho. Kunzima kakhulu ukwenza i-snag enjalo ye-lambda probe ngezandla zakho, ngoba nayo idinga i-ejenti ye-catalytic.

Umkhono onesiguquli esincane se-catalytic

Ukwenza i-snag yemishini ye-lambda probe ngezandla zakho, uzodinga i-lathe namandla okusebenza ngayo, kanye noku:

• ithusi noma insimbi engagqwali engashisi engenalutho engaba ngu-100 mm ubude no-30-50 mm ububanzi;
• abasiki (ukusika, isidina kanye nokusika intambo);
• kampompi futhi ufe i-M18x1,5 (esikhundleni sama-cutters wokuthunga);
• isici catalytic.

Ubunzima obuyinhloko wukusesha kwesici se-catalytic. Indlela elula ukuyisika ku-catalyst filler ephukile ngokukhetha ingxenye yayo yonke.

I-Ceramic powder, eyelulekwa ukuthi isetshenziswe kwezinye izinsiza ze-intanethi, ayifanele lezi zinhloso!

Zenzele ngokwakho iqhinga lokuhlola i-lambda nge-mini-catalyst: umdwebo we-spacer: chofoza ukuze ukhulise

I-oxidation ye-carbon monoxide nama-hydrocarbons angashiswanga ku-catalyst ahlinzekwa nge-ceramic ngokwayo, kodwa ngokufakwa kwezinsimbi ezihloniphekile (i-platinum, i-rhodium, i-palladium) efakwe kuyo. Ngakho-ke, i-ceramic filler evamile ayinamsebenzi - isebenza kuphela njenge-insulator enciphisa ukugeleza kwamagesi ku-sensor, enganikeli umphumela oyifunayo.

Ekuxubeni komshini kophenyo lwe-lambda yesibili, ungasebenzisa izinsalela zesiguquli se-catalytic esivele sigoqiwe ngezandla zakho, ngakho-ke ungajahi ukusinikeza abathengi.

Inhlanganisela yefekthri ye-lambda probe ene-mini-catalyst ibiza ama-ruble ayizinkulungwane eziyi-1-2.

Uma isikhala lapho inzwa ye-oxygen itholakala kulayini wokukhipha umoya silinganiselwe kakhulu, i-DC evamile ene-spacer ingase ingalingani! Kulokhu, udinga ukwenza noma ukuthenga i-snag yekhoneni elimise okwe-L.

I-Screwdriver enembobo encane yobubanzi

Isikulufu se-lambda probe snag senziwa ngendlela efanayo ne-mini-catalyst. Ukuze wenze lokhu udinga:

• i-lathe;
• into engenalutho eyenziwe ngethusi noma insimbi engagqwali engashi;
• isethi yabasiki kanye/noma kampompi nepuleti M18x1,5.

Zenzele ngokwakho inhlanganisela yemishini ye-lambda probe: umdwebo wesikulufu

Umehluko kuphela ekwakhiweni ukuthi akukho mshini wokugcwalisa we-catalytic ngaphakathi, futhi imbobo engxenyeni engezansi inobubanzi obuncane (2-3 mm). Ikhawulela ukugeleza kwamagesi e-exhaust kunzwa ye-oxygen, ngaleyo ndlela inikeze ukufundwa okufunayo.

I-snag lambda probe ihlala isikhathi esingakanani

Ama-snags enzwa ye-oxygen engumshini ngaphandle kwe-catalytic filler alula futhi ahlala isikhathi eside, kodwa awasebenzi kakhulu. Basebenza ngaphandle kwezinkinga ezinjinini zesigaba sezemvelo ze-Euro-3 ezifakwe ama-lambda probes azwela kancane. Ukuthi i-snag yalolu hlobo lwe-lambda probe isebenza isikhathi esingakanani incike kuphela kwikhwalithi yento. Uma usebenzisa ithusi noma insimbi engamelana nokushisa, ingaba phakade, kodwa ngezinye izikhathi (njalo ngezinkulungwane ezingama-20-30 km) kudinga ukuhlanza imbobo kusuka ku-carbon deposits.

Ezimotweni ezintsha, udinga i-snag ene-mini-catalyst ngaphakathi, nayo enensiza elinganiselwe. Ngemva kokuthuthukiswa kokugcwalisa i-catalytic (kwenzeka ngaphezu kwe-50100 km eyizinkulungwane), iyayeka ukubhekana nemisebenzi eyabelwe futhi iphenduke ibe yi-analogue ephelele yesikulufa esilula. Kulokhu, i-simulator kufanele ishintshwe noma igcwaliswe ngezinto ezintsha ze-catalytic.

Ama-snags ka-elekthronikhi ajwayeleke ukuphuka futhi aguge, njengoba angenayo ingcindezi yemishini. Kodwa insiza yezingxenye zomsakazo (ama-resistors, ama-capacitors) anqunyelwe, ngokuhamba kwesikhathi alulaza futhi alahlekelwe izakhiwo zawo. I-emulator ingase yehluleke ngaphambi kwesikhathi uma uthuli noma umswakama ungena ezingxenyeni ngenxa yokuvuza.

Uhlobo lokuluthwa yizidakamizwa	Ukuhambisana Kwezimoto	Ungayigcina kanjani i-snag LZ	Ihlala isikhathi esingakanani i-snag LZ (ungashintsha kangaki)
Mechanical (screwdriver)	1999-2004 (ukukhiqizwa kwe-EU), kuze kufike ku-2013 (ukukhiqizwa kweRussia), izimoto ezifika ku-Euro-3 zihlanganisiwe.	Ngezikhathi ezithile (njalo nge-20-30 km eyizinkulungwane), kungase kudingeke ukuhlanza umgodi kanye nomgodi wenzwa kusuka kumadiphozi ekhabhoni.	Ngokwethiyori ingunaphakade (i-adaptha nje eyimishini, akukho okuzophulwa).
I-Mechanical (i-mini-catalyst)	Kusukela ngo-2005 (EU) noma 2013 (Russia) kuze kube manje c., ikilasi Euro-3 nangaphezulu.	Ngemuva kokusebenza insiza, idinga ukushintshwa noma ukushintshwa kwesigcwalisi se-catalytic.	50-100 ayizinkulungwane km, kuye ngokuthi izinga filler.
Ibhodi le-elekthronikhi)	Ama-emulators azimele afika ku-2005 (EU) noma kuze kufike ku-2013 (eRussia) onyakeni wokukhiqiza, isigaba sezemvelo i-Euro-2 noma i-Euro-3 (lapho kufaneleka khona ukufaka i-HBO 2 nezizukulwane ezi-3). Ama-emulators asebenzisa ukufundwa kwe-DC yokuqala ukuze akhohlise i-lambda probe yesibili - kusukela ngo-2005 (EU) noma 2008 (Russia) ukwethula. c., isigaba se-Euro-3 nangaphezulu, kodwa okuhlukile kungenzeka, ukukhetha okulungile kwamahlelo kubalulekile.	Ukunakekela akudingekile uma kutholakala endaweni eyomile, ehlanzekile futhi ihlukaniswe nomswakama nokungcola.	Kuya ngekhwalithi yezingxenye ze-elekthronikhi. Kufanele ihlale impilo yonke yemoto, kodwa ama-electrolyte kanye/noma izimbangi kungase kudingeke ukuthi kudayiswe kabusha uma kusetshenziswa izingxenye zekhwalithi ephansi.
I-elekthronikhi (i-resistor kanye ne-capacitor)	Imoto esuka ku-2005 (EU) noma 2008 (Russia), ikilasi le-Euro-3 nangaphezulu.	Ngezikhathi ezithile kufanelekile ukuhlola ubuqotho bezakhi.	Kuya ngekhwalithi yezingxenye zomsakazo kanye nokukhetha okufanele kwezilinganiso. Uma izingxenye zikhethwe kahle, ungashisi futhi ungamanzi, kungase kube ngokwanele impilo yonke yemoto.

Iyiphi i-lambda snag engcono

Phendula ngokuqinisekile umbuzo othi “Iyiphi i-lambda snag engcono?” akunakwenzeka. Idivayisi ngayinye inobuhle bayo nobubi bayo, ukuhambisana okuhlukile namamodeli athile. Iyiphi i-snag ye-lambda probe engcono ukuyibeka - incike enjongweni yalokhu kukhohlisa kanye nezimo ezithile:

• ama-mechanical snags asebenza kuphela kanye nenzwa ye-oxygen esebenzayo;
• ukulingisa ukusebenza okujwayelekile kwenzwa ye-oxygen ku-HBO endala, amaqhinga kagesi kuphela ane-microcontroller (i-pulse generator) afanelekile;
• ezimotweni ezindala zeklasi ezingekho ngaphezu kwe-Euro-3, kungcono ukubeka i-snag-screw - eshibhile futhi enokwethenjelwa;
• ezimotweni zanamuhla (Euro-4 nangaphezulu), kungcono ukusebenzisa ama-catalysts amancane;
• inketho ene-resistor kanye ne-capacitor iyinhlobo eshibhile, kodwa engathembeki kangako ye-snag yezimoto ezintsha;
• i-emulator ye-lambda probe yesibili ku-microcontroller esebenza kusukela kweyokuqala iyona ndlela engcono kakhulu yemoto enenzwa ye-oxygen yesibili ehlulekile noma esusiwe.

Ngokuvamile, i-mini-catalyst eyindlela engcono kakhulu ye-DC esebenzayo, ngoba ilingisa ukusebenza kwesiguquli esijwayelekile ngokunemba okuphezulu. I-microcontroller iyindlela eyinkimbinkimbi futhi ebiza kakhulu, ngakho-ke ifaneleka kuphela uma ingekho inzwa evamile noma idinga ukukhohliswa ukushayela ngegesi.