Yadda ake tsaftace binciken lambda
Abubuwa
Na'urar firikwensin iskar oxygen (aka lambda probe) yakamata ya ƙayyade yawan iskar oxygen kyauta a cikin iskar iskar gas na injin konewa na ciki. Wannan yana faruwa godiya ga mai nazarin O2 da aka gina a ciki. Lokacin da firikwensin ya toshe tare da soot mara ƙonewa, bayanan da aka bayar zai zama kuskure.
Idan an gano matsalolin lambda a matakin farko, maido da firikwensin oxygen zai taimaka wajen gyara su. Yi-da-kanka tsaftacewa na binciken lambda yana ba ku damar mayar da shi zuwa aiki na yau da kullun kuma ya tsawaita rayuwarsa. Amma wannan ba gaskiya ba ne a duk lokuta, kuma tasiri ya dogara da hanyoyin da ake amfani da su da kuma hanyar amfani. Idan kana so ka san idan tsaftacewa na lambda yana taimakawa tare da rashin aiki daban-daban, yadda za a tsaftace shi daga soot da kuma yadda - karanta labarin har zuwa ƙarshe.
An kiyasta albarkatun binciken lambda kusan kilomita dubu 100-150, amma saboda abubuwan kara kuzari, man fetur mara inganci, karancin mai da sauran matsalolin, galibi ana rage shi zuwa dubu 40-80. Saboda wannan, ECU ba zai iya yin amfani da man fetur daidai ba, cakuda ya zama mai laushi ko mai arziki, injin ya fara aiki ba daidai ba kuma ya ɓace, kuskuren "Check engine" ya bayyana akan panel.
Matsalolin Sensor Oxygen gama gari
rushewar binciken lambda, bisa ga masana'antun, ba za a iya kawar da su ba, kuma idan ya gaza, ya zama dole a canza shi zuwa wani sabon abu ko sanya snag. Koyaya, a aikace, idan kun lura da matsalar aiki a cikin lokaci, zaku iya ɗan tsawaita rayuwarsa. Kuma ba kawai saboda tsaftacewa ba, har ma ta hanyar canza ingancin man fetur. Idan muna magana ne game da gurɓatawa, to, zaku iya tsaftace binciken lambda don ya fara ba da ingantaccen karatu.
Zai fi kyau a farfado da lambda kawai bayan bincike na farko da tabbatarwa, saboda yana yiwuwa wannan zai zama ɓata lokaci kawai.
Mai da hankali kan dalilin, dangane da bayanan farko lokacin duba firikwensin iskar oxygen, zai yiwu a faɗi kusan ko akwai wata ma'ana a tsaftacewa.
| Alamomin rugujewar LZ | Me yasa hakan ke faruwa | Yaya motar ta kasance? |
|---|---|---|
| Hull depressurization | Lalacewar dabi'a da zafi mai zafi na firikwensin | Matsaloli tare da XX, wani wadataccen cakuda yana shiga cikin injin konewa na ciki, yawan amfani da man fetur yana ƙaruwa, ƙanshi mai ƙarfi daga shayewa. |
| Sensor zafi fiye da kima | Yana faruwa tare da kunnawa ba daidai ba: tare da karyewar coil ko wayoyi, daidaitattun kyandir ko ƙazanta | Matsaloli tare da XX, kayan konewa suna ƙonewa a cikin shaye-shaye, fashewar injin, asarar raguwa, harbe-harbe a cikin muffler, pops a cikin ci yana yiwuwa. |
| Toshewar gidaje | Yana faruwa ne saboda ƙara mai da ƙarancin iskar gas ko tara kuɗi saboda yawan nisan mota. | Rashin kwanciyar hankali na injin konewa na ciki, asarar haɓaka, ƙara yawan amfani da mai, ƙamshi mai ƙarfi daga bututun mai |
| Lallacewar wayoyi | Wayoyin lantarki suna ruɓe, suna karyewa cikin sanyi, gajeren wando zuwa ƙasa, da sauransu. | Rashin kwanciyar hankali na injin yana aiki, ƙarancin amsawar injin da jan hankali, haɓakar nisan iskar gas. |
| Rushewar ɓangaren yumbu na LZ | Bayan buga firikwensin, alal misali, bayan haɗari, taɓa wani cikas tare da sassan shaye-shaye, ko gyare-gyaren da ba a kula da su ba. | Aiki mara ƙarfi a rago, ninka sau uku, ƙara yawan amfani, asarar jan hankali |
Kamar yadda kake gani, kowane nau'in matsalolin firikwensin iskar oxygen suna nunawa a matsayin alamomi iri ɗaya. Wannan shi ne saboda gaskiyar cewa idan lambda ya aika da bayanan da ba daidai ba akan abun da ke cikin cakuda zuwa ECU, "kwakwalwa" sun fara yin amfani da man fetur daidai da kuma daidaita lokacin kunnawa. Idan babu sigina daga firikwensin kwata-kwata, ECU yana sanya injin konewa na ciki cikin yanayin aiki na gaggawa tare da “matsakaicin” sigogi.
Idan diagnostics bai bayyana inji matsaloli tare da firikwensin (karya sassa, deformations, fasa), amma kawai na farko gurbata ta dumama part ko m kashi kanta, za ka iya kokarin mayar da shi. Amma kafin ka tsaftace firikwensin oxygen daga adibas na carbon, kana buƙatar tabbatar da cewa wayoyi suna aiki (watakila zai isa ya kawar da da'irar budewa, tsaftace lambobin sadarwa ko maye gurbin guntu), kazalika da aikin yau da kullun na kunna wuta tsarin.
Shin zai yiwu a tsaftace lambda?
Maido da aikin na'urar firikwensin oxygen a cikin yanayin gareji yana yiwuwa idan muna magana game da gurɓacewarsa tare da adibas daga samfurori na konewa na man fetur. Ba shi da amfani don tsaftace firikwensin da ya karye, dole ne a canza shi. Idan ka sami kawai dattin binciken lambda, decarbonizing zai dawo da shi zuwa rai. Shin yana yiwuwa a tsaftace binciken lambda bai dace da damuwa ba. Tun da an tsara wannan firikwensin don yin aiki a cikin yanayi mai zafi na iskar gas, ba ya jin tsoron zafi, wankewa da wasu sunadarai masu haɗari. Sai kawai don zaɓar hanyoyin da za a iya yin tsaftacewa mafi aminci, zai zama dole don ƙayyade nau'in firikwensin.
Kafin tsaftace firikwensin lambda daga ajiyar carbon, ƙayyade nau'in sa. Akwai nau'ikan asali guda biyu:
Zirconia na hagu, titanium na dama
- Zirconia. Na'urar firikwensin Galvanic waɗanda ke haifar da ƙarfin lantarki yayin aiki (daga 0 zuwa 1 volt). Waɗannan na'urori masu auna firikwensin sun fi arha, marasa fa'ida, amma sun bambanta cikin ƙananan daidaito.
- Titanium. Nau'in firikwensin juriya waɗanda ke canza juriyar abin aunawa yayin aiki. Ana amfani da wutar lantarki akan wannan kashi, wanda ke raguwa saboda juriya (ya bambanta tsakanin 0,1-5 volts), don haka yana nuna abun da ke cikin cakuda. Irin waɗannan na'urori masu auna firikwensin sun fi daidai, masu laushi da tsada.
Yana yiwuwa a rarrabe zirconium lambda bincike (oxygen firikwensin) daga titanium daya gani, bisa ga alamu biyu:
- size. Titanium oxygen na'urori masu auna firikwensin sun fi ƙaranci kuma suna da ƙananan zaren.
- Wires. Na'urori masu auna firikwensin sun bambanta a cikin launuka na braid: kasancewar ja da wayoyi masu launin rawaya an tabbatar da su don nuna titanium.
Ana aiwatar da tsaftace lambda daga gurɓataccen gurɓataccen abu ne ta hanyar ƙarin sinadarai masu aiki, kamar su acid da sauran kaushi. Zirconium na'urori masu auna firikwensin, kasancewar basu da hankali, ana iya tsaftace su tare da matsananciyar acid da kaushi, yayin da firikwensin titanium na buƙatar ƙarin kulawa. Zai yiwu a cire adibas na carbon akan lambda na nau'in nau'in na biyu kawai tare da karin acid mai tsarma ko sauran kaushi.
Ta yaya zan iya tsaftace binciken lambda
Lokacin zabar yadda ake tsaftace binciken lambda daga ajiyar carbon, dole ne ku watsar da abubuwa masu haɗari masu haɗari waɗanda ke lalata firikwensin. Dangane da nau'in firikwensin, waɗannan sun haɗa da:
- don zirconium oxide (ZrO2) - hydrofluoric acid (hydrogen fluoride bayani HF), maida hankali sulfuric acid (fiye da 70% H2SO4) da kuma alkalis;
- don titanium oxide (TiO2) - sulfuric acid (H2SO4), hydrogen peroxide (H2O2), ammonia (NH3), shi ma ba a so a bijirar da firikwensin zuwa dumama a gaban chlorine (misali, a hydrochloric acid HCl), magnesium. , calcium, yumbu na iya amsawa tare da su.
Har ila yau, wajibi ne a yi amfani da abubuwan da ke da aiki na sinadarai da kuma m dangane da ajiyar carbon, amma tsaka tsaki - dangane da firikwensin kanta. Akwai zaɓuɓɓuka guda 3 don yadda ake tsaftace ajiyar carbon akan firikwensin oxygen:
Orthophosphoric acid don tsabtace binciken lambda
- inorganic acid (hydrochloric, sulfuric, orthophosphoric);
- Organic acid (acetic);
- kwayoyin kaushi (haske hydrocarbons, dimexide).
Amma tsaftace lambda bincike tare da acetic acid ko ƙoƙarin cire ajiya da turmi citric acid zai kasance gaba daya mara amfani. Karanta ƙasa don koyon yadda ake tsaftace firikwensin binciken lambda tare da sinadarai daban-daban.
Yi-da-kanka tsaftace lambda bincike
don tsaftace binciken lambda a gida baya ɗaukar lokaci mai yawa, zaku iya duba tebur a sakamakon da ake tsammani da lokacin da aka kashe lokacin amfani da ɗaya ko wani kayan aiki. Wannan zai taimaka wajen ƙayyade yadda kuma yadda za a tsaftace firikwensin oxygen da hannuwanku.
| Amsa | sakamakon | Lokacin Tsaftacewa |
|---|---|---|
| Mai tsabtace Carb (carburetor da mai tsabtace magudanar ruwa), abubuwan kaushi na halitta (kerosene, acetone, da sauransu) | Zai je rigakafin, ba ya jimre da kyau tare da soot | Kusan ma'auni mai yawa ba a taɓa tsaftacewa ba, amma saurin zubar da ruwa yana ba ku damar wanke ƙananan adibas a matakin farko. |
| Dimexide | Matsakaicin inganci | Yana wanke ajiyar haske a cikin mintuna 10-30, mai rauni a kan ajiya mai nauyi |
| Kwayoyin halitta | Suna wanke ƙazanta ba mai nauyi sosai ba, amma na ɗan lokaci kaɗan, ba su da tasiri a kan tsatso mai yawa. | |
| Orthophosphoric acid | Yana cire ajiya da kyau | Ingantacciyar tsayi, daga minti 10-30 zuwa rana |
| Sulfuric acid | Daga minti 30 zuwa sa'o'i da yawa | |
| Hydrochloric acid |
Daidai tsaftace firikwensin oxygen ba zai yi aiki ba tare da irin wannan kayan aiki:
Yadda za a tsaftace binciken lambda - bidiyo tare da hanyar tsaftacewa
- gilashin gilashi don 100-500 ml;
- na'urar bushewa mai iya samar da zafin jiki na digiri 60-80;
- goga mai laushi.
Kafin tsaftace firikwensin binciken lambda, yana da kyau a dumi shi har zuwa zafin jiki kadan ƙasa da digiri 100. Abin da na’urar busar gashi ke nan. Ba a so a yi amfani da bude wuta, saboda yawan zafi yana da lahani ga firikwensin. Idan kun yi nisa da zafin jiki, irin wannan tsaftacewa na lambda tare da hannuwanku zai ƙare tare da siyan sabon sashi!
Phosphoric acid tsaftacewa
Tsaftace binciken lambda zirconium ta amfani da mai canza tsatsa
Tsaftace lambda tare da phosphoric acid sanannen kuma ingantaccen aiki ne. Wannan acid yana da matsananciyar matsananciyar ƙarfi, saboda haka yana iya lalata ajiyar carbon da sauran adibas ba tare da lalata firikwensin kanta ba. Acid mai daɗaɗɗa (tsarki) ya dace da binciken zirconium, yayin da dilute acid ya dace da binciken titanium.
Ana iya amfani da shi ba kawai a cikin nau'i mai tsabta ba (mai wuya a samu), amma kuma yana kunshe a cikin sinadarai na fasaha (soldering acid, acid flux, tsatsa Converter). Kafin tsaftace firikwensin oxygen tare da irin wannan acid, dole ne a dumi shi (duba sama).
Tsaftace binciken lambda tare da mai jujjuya tsatsa, siyarwa ko tsantsar phosphoric acid ya ƙunshi matakai masu zuwa:
- Cika gilashin gilashi da isasshen acid don nutsar da firikwensin lambda ta sassaƙa.
- Submerge firikwensin aiki ƙare a cikin acid, barin sashinsa na waje sama da saman ruwa, kuma gyara a wannan matsayi.
- Jiƙa firikwensin a cikin acid daga 10-30 minutes (idan zoma karama ne) har zuwa 2-3 hours (nauyi mai nauyi), to, za ku iya gani ko acid ya wanke ajiyar carbon.
- Don hanzarta aikin, zaku iya dumama kwandon ruwa ta amfani da na'urar bushewa ko na'urar gas da ruwan wanka.
Ƙona adadin carbon a kan firikwensin oxygen bayan tsaftacewa da acid
Hanya na biyu don tsaftace binciken lambda tare da acid shine wuta:
- tsoma firikwensin tare da sashin aiki a cikin acid.
- A taƙaice kawo shi a cikin harshen wuta, don haka acid ya fara zafi kuma ya ƙafe, kuma amsawar ta hanzarta.
- Lokaci-lokaci jiƙa firikwensin cikin acid don sabunta fim ɗin reagent.
- Bayan da aka jika, sai a sake dumama shi a kan mai ƙonawa.
- Lokacin da adibas ya fito, kurkura sashin da ruwa mai tsabta.
Amsar tambayar ko za'a iya tsaftace lambda tare da phosphoric acid ya dogara ne akan aikace-aikacen da ya dace. Damar wanke ma'ajiyar haske tana da yawa, kuma ba za a iya wanke plaque mai ɗorewa ba cikin sauƙi. Ko kuma ku jiƙa na dogon lokaci (har zuwa rana ɗaya), ko kuma ku shafa dumama tilas.
Tsaftacewa tare da mai tsabtace carburetor
Tsaftace lambda tare da carburetor da mai tsabtace magudanar ruwa hanya ce ta gama gari, amma ba ta da tasiri kamar ta acid. Hakanan ya shafi abubuwan da ba su da ƙarfi kamar man fetur, acetone, wanda ke wanke datti mafi sauƙi. Carbcleaner ya fi kyau a wannan batun saboda tushen aerosol da matsa lamba, wanda ke rushe ƙwayoyin datti, amma amsar tambayar ko yana yiwuwa a tsaftace binciken lambda na masu tsabtace carburetor sau da yawa mara kyau. Ana wanke ƙananan ma'ajin ajiya kawai, kuma wannan abin sha'awa ne kawai.
Ana iya amfani da irin wannan magani lokaci-lokaci don dalilai na rigakafi, tare da wanke ajiyar haske daga gare ta lokacin da suka fara samuwa.
Tsaftace binciken lambda tare da sulfuric acid
Tsaftace binciken lambda tare da sulfuric acid shine mafi haɗari, amma hanya mai inganci don cire manyan adibas na carbon daga saman firikwensin. Kafin tsaftace lambda bincike a gida, kuna buƙatar samun shi kuma a cikin maida hankali na 30-50%. Electrolyte don batura ya dace sosai, wanda ke da madaidaicin maida hankali kuma ana siyar dashi a cikin dillalan mota.
Yin amfani da irin wannan acid lambda mai tsaftacewa, zaku iya yin nasara har ma don yaƙar gurɓatattun abubuwan da ba a cire su ta wasu hanyoyi. Tsarin tsaftacewa shine kamar haka:
- Zana acid a cikin jirgin zuwa matakin da zai ba ka damar nutsar da firikwensin tare da zaren.
- Nitsar da firikwensin kuma gyara shi a tsaye.
- Jiƙa binciken lambda a cikin acid na minti 10-30, yana motsawa lokaci-lokaci.
- Tare da gurɓataccen gurɓataccen abu - ƙara lokacin bayyanarwa zuwa sa'o'i 2-3.
- Bayan tsaftacewa, kurkura kuma goge firikwensin.
Kuna iya hanzarta aiwatarwa ta hanyar dumama, amma ku guje wa zafi da ƙafewar acid.
Hydrochloric acid yana aiki a cikin irin wannan hanya, amma kuma ya fi muni, saboda haka ana amfani dashi a cikin mafi raunin hankali kuma yana buƙatar ƙarin kulawa lokacin kulawa. Ana samun hydrochloric acid, alal misali, a wasu masu tsabtace nutsewa.
Amsar tambayar ko yana yiwuwa a tsaftace binciken lambda tare da sulfuric acid ko hydrochloric acid yana da kyau kawai ga na'urori masu auna oxygen na zirconium. An hana hydrochloric acid don titanium DC (titanium oxide yana amsawa da chlorine), kuma sulfuric acid yana halatta kawai a cikin ƙananan ƙira (kimanin 10%).inda ba shi da tasiri sosai.
Tsaftace binciken lambda tare da dimexide
Hanya mai laushi ita ce tsabtace firikwensin oxygen tare da dimexide, maganin dimethyl sulfoxide wanda ke da kaddarorin kaushi mai ƙarfi. Ba ya amsawa tare da zirconium da titanium oxides, saboda haka ya dace da nau'ikan DC guda biyu, yayin da yake wanke wasu ajiyar carbon kuma.
Tsaftace binciken lambda tare da dimexide yana farawa tare da shirye-shiryen mai tsabta, wanda zai fara yin crystallize a zazzabi na +18 ℃. Domin ya shayar da shi, kuna buƙatar ɗaukar kwalban miyagun ƙwayoyi kuma ku zafi shi a cikin "wanka na ruwa".
Sakamakon tsaftacewa tare da dimexide bayan minti 20
daidai ne a tsaftace binciken lambda tare da dimexide kamar yadda ake amfani da acid, kawai ya kamata a yi zafi lokaci-lokaci. Wajibi ne a tsoma sashin aiki na firikwensin oxygen a cikin jirgin ruwa tare da shirye-shiryen kuma ajiye shi a ciki, yana motsawa lokaci-lokaci. Tsaftace lambda tare da dimexide yana buƙatar dumama ba don hanzarta aiwatar da tsari don guje wa crystallization!
Yawancin lokaci rabin sa'a zuwa sa'a daya na fallasa ya isa. Ba shi da amfani don kiyaye firikwensin a cikin mai tsabta na dogon lokaci, abin da ba a narkar da shi ba a cikin sa'a daya ba zai yiwu ya bar a cikin rana ba.
Yadda ba za a tsaftace binciken lambda akan mota ba
shawarwarin asali kan yadda ba za a tsaftace binciken lambda tare da hannuwanku ba - ba tare da bin umarnin game da dacewa da acid tare da kayan firikwensin ba. Amma kuma kar a yi masu zuwa:
- Saurin dumama da sanyaya. Saboda canjin yanayin zafi, ɓangaren yumbu na firikwensin (zirconium iri ɗaya ko titanium oxide) na iya fashe. Shi ya sa kar a yi zafi da firikwensin, sa'an nan kuma tsoma shi a cikin mai tsabta mai sanyi. Idan muka hanzarta aikin ta hanyar dumama, to, acid ɗin ya kamata ya zama dumi, kuma kawo shi cikin wuta ya zama ɗan gajeren lokaci (wani abu na daƙiƙa), kuma ba kusa ba.
- Cire ma'ajin carbon da injina. Ma'aikatan abrasive suna lalata farfajiyar aiki na firikwensin, don haka bayan tsaftacewa tare da emery ko fayil, ana iya jefar da shi.
- Yi ƙoƙarin tsaftacewa ta dannawa. Idan kun ƙwanƙwasa da ƙarfi da shi, damar yin ƙwanƙwasa soot kaɗan ne, amma haɗarin fasa yumbu yana da yawa sosai.
Yadda za a ƙayyade ingancin tsaftacewa na binciken lambda?
Sakamakon tsaftace lambda bincike
Tsaftace binciken lambda ba magani bane ga duk matsalolinsa. Additives masu aiki na sinadarai na iya cire ajiya da ajiya kawai, wanda ɓawon burodi ya hana firikwensin gano iskar oxygen a cikin iskar gas.
Ko tsaftace binciken lambda yana taimakawa ya dogara da yadda gurɓatarwar ta kasance mai tsayi, da kuma rashin sauran matsalolin da ke tattare da tsarin man fetur da kuma wutar lantarki.
Idan DC ya yoyo, ba zai iya kwatanta karatu tare da iska "nassoshi", ɓangaren yumbura ya karye, fashe daga zafi mai zafi - babu abin da zai canza bayan tsaftacewa. Sakamakon ba zai kasance ba ko da an cire ajiyar carbon kawai daga kariyar ƙarfe, tun da firikwensin kanta yana ciki.
Yadda ake bincika binciken lambda bayan tsaftacewa
Domin duba binciken lambda bayan tsaftace shi, yana da kyau a haɗa zuwa ECU ta hanyar OBD-2 kuma yi cikakken sake saitin kuskure. Bayan haka, kuna buƙatar kunna injin, bar shi gudu, hau motar kuma sake ƙirga kurakurai. Idan tsarin ya yi nasara, hasken Injin Duba zai kashe kuma kurakuran lambda ba za su sake bayyana ba.
Kuna iya duba firikwensin ba tare da na'urar daukar hotan takardu ta OBD-2 tare da multimeter ba. Don yin wannan, nemo siginar waya a cikin pinout ɗinta kuma aiwatar da hanyoyi masu zuwa.
- Fara injin konewa na ciki da dumama shi, domin DC ta kai ga zafin aiki.
- Kunna multimeter a yanayin auna wutar lantarki na DC.
- Haɗa wayar siginar lambda (bisa ga pinout) ba tare da cire haɗin guntu tare da binciken “+” ba, kuma tare da binciken “-” zuwa ƙasa.
- Duba karatun: a cikin aiki, yakamata su canza daga 0,2 zuwa 0,9 volts, suna canzawa aƙalla sau 8 a cikin daƙiƙa 10.
Hotunan ƙarfin lantarki na firikwensin iskar oxygen a cikin al'ada kuma idan ya lalace
Idan karatun yana iyo - firikwensin yana aiki, komai yana da kyau. Idan ba su canza ba, alal misali, suna kiyaye a matakin kusan 0,4-0,5 volts koyaushe, dole ne a canza firikwensin. Ƙimar ƙima mara canzawa (kimanin 0,1-0,2 ko 0,8-1 volts) na iya nuna duka rushewar firikwensin iskar oxygen da sauran kurakuran da ke haifar da samuwar cakuda ba daidai ba.
Shin akwai wani fa'ida don tsaftace firikwensin oxygen?
A ƙarshe, zaku iya tantance ingancin tsaftacewa a kaikaice ta hanyar tuƙi mota kaɗan. Idan an dawo da aiki na yau da kullun na firikwensin iskar oxygen, rago zai zama mai santsi, matsawar ICE da martanin magudanar zai koma al'ada, kuma amfani da mai zai ragu.
Amma ba koyaushe yana yiwuwa a fahimci nan da nan ko tsaftace binciken lambda ya taimaka: sake dubawa sun nuna cewa ba tare da sake saita kwamfutar ba, wani lokacin kuna buƙatar tafiya kwana ɗaya ko biyu kafin tasirin ya bayyana.
