Dzichitireni nokha lambda probe snag

Pambuyo pa kuwonongedwa kapena kuchotsedwa kwa chothandizira kapena kulephera kwa sensa ya okosijeni (lambda probe), injini yoyaka mkati imagwira ntchito mopanda njira yabwino chifukwa cha kuwongolera kolakwika kwa kusakaniza kwamafuta a mpweya, ndipo chizindikiro cha Check Engine chimayatsa. gulu la zida. Njira zosiyanasiyana zonyenga zida zamagetsi zimalola kuthetsa vutoli.

Ngati sensa ya okosijeni ikugwira ntchito, pulojekiti ya snag lambda imathandiza, ngati ikulephera, mungagwiritse ntchito magetsi. Werengani pansipa kuti mudziwe momwe mungatengere snag ya kafukufuku wa lambda kapena mupange nokha.

Momwe lambda probe snag imagwirira ntchito

Lambda probe snag - chipangizo chomwe chimapereka kufalitsa kwa makompyuta a mpweya wabwino kwambiri mu mpweya wotulutsa mpweya, ngati magawo enieni sakugwirizana nawo. Vutoli limathetsedwa pokonza zowerengera za analyzer yomwe ilipo kapena chizindikiro chake. Njira yabwino kwambiri osankhidwa malinga ndi gulu la chilengedwe ndi zitsanzo zamagalimoto.

Pali mitundu iwiri yachinyengo:

• Mechanical (sleeve-screw kapena mini-catalyst). Mfundo yogwira ntchito imachokera pakupanga chotchinga pakati pa sensa ya okosijeni ndi mpweya mu dongosolo la utsi.
• Electronic (resistor yokhala ndi capacitor kapena chowongolera chosiyana). The emulator ayikidwa mu mawaya kusiyana kapena m'malo wokhazikika DC. Mfundo yogwiritsira ntchito lambda probe snag ndikufanizira kuwerengera koyenera kwa sensa.

Manja a screw-in (dummy) amakulolani kunyenga ECU yamagalimoto akale omwe amakumana ndi kalasi yachilengedwe ya Euro-3, ndipo mini-catalyst ndi yoyenera ngakhale magalimoto amakono okhala ndi miyezo mpaka Euro-6. Pazochitika zonsezi, DC yogwiritsidwa ntchito imafunika, yomwe imalowetsedwa mu thupi la snag. kotero gawo logwira ntchito la sensayo lazunguliridwa ndi mpweya wabwino kwambiri ndipo limatumiza deta yachibadwa ku kompyuta.

Lambda probe snag - mini-chothandizira (gulu lothandizira likuwoneka)

Factory mwambo lambda kafukufuku emulator pa microcontroller

Kwa blende yamagetsi yochokera ku resistor ndi capacitor, si gulu la chilengedwe lomwe ndilofunika, koma mfundo yoyendetsera makompyuta. Mwachitsanzo, njira iyi siigwira ntchito pa Audi A4 - kompyuta idzapanga zolakwika chifukwa cha deta yolakwika. Kuphatikiza apo, sizingatheke kusankha magawo abwino kwambiri azinthu zamagetsi. Nsomba yamagetsi yokhala ndi microcontroller modziyimira payokha imatsanzira ntchito ya sensa ya okosijeni, ngakhale itakhala kuti palibe komanso yosatheka.

Pali mitundu iwiri yaukadaulo wodziyimira pawokha wamagetsi wokhala ndi microcontroller:

• odziyimira pawokha, kupanga chizindikiro cha ntchito yachibadwa ya lambda;
• zowerengera zowongolera molingana ndi sensa yoyamba.

Mtundu woyamba wa emulators nthawi zambiri umagwiritsidwa ntchito pamagalimoto okhala ndi LPG mibadwo yakale (mpaka 3), pomwe pakuyendetsa gasi ndikofunikira kupanga mawonekedwe a sensa ya okosijeni. Zachiwiri zimayikidwa pambuyo podula chothandizira m'malo mwa lambda yachiwiri ndikutsanzira ntchito yake yachibadwa malinga ndi kuwerenga kwa sensa yoyamba.

Momwe mungapangire nokha lambda probe snag

Dzichitireni nokha lambda probe snag: vidiyo yopanga spacer

Ngati muli ndi chida choyenera, mutha kupanga kafukufuku wa lambda nokha. Chosavuta kupanga ndi manja amakina ndi simulator yamagetsi yokhala ndi resistor ndi capacitor.

Kuti mupange pacifier muyenera:

• lathe yachitsulo;
• chopanda kanthu kakang'ono ka mkuwa kapena chitsulo chosapanga dzimbiri (kutalika pafupifupi 60-100 mm, makulidwe pafupifupi 30-50 mm);
• ocheka (kudula, otopetsa ndi kudula ulusi) kapena ocheka?, tapani ndi kufa.

Kuti mupange kusakanikirana kwamagetsi kwa kafukufuku wa lambda, mudzafunika:

Kupanga kusakanikirana kwamagetsi kwa sensa ya oxygen ndi manja anu: kanema

• capacitors 1-5 uF;
• resistors 100 kOhm - 1 mOhm ndi / kapena trimmer ndi osiyanasiyana osiyanasiyana;
• chitsulo chowumba;
• solder ndi flux;
• kutchinjiriza;
• bokosi lamilandu;
• sealant kapena epoxy.

Kutembenuza screw ndikupanga chosavuta chophatikizira chamagetsi, ndi luso loyenera (kutembenuza / kugulitsa zamagetsi), sizitenga ola limodzi. Ndi njira zina ziwirizi zidzakhala zovuta kwambiri.

Zidzakhala zovuta kupeza zofunikira zopangira mini-catalyst kunyumba, ndikupanga choyimira choyimira pawokha pa microcontroller, kuwonjezera pa microchip, mumafunikira luso lamagetsi ndi mapulogalamu.

kupitilira apo adzauzidwa momwe angapangire snag ya kafukufuku wa lambda mutachotsa chothandizira, kuti Chongani zolakwika za Engine ndi ma code P0130-P0179 (zokhudzana ndi lambda), P0420-P0424 ndi P0430-P0434 (zolakwika zoyambitsa) sizichitika.

Kunyenga woyamba (kapena yekhayo pa galimoto mpaka Euro-3) lambda kafukufuku ndi pamene galimoto pa jekeseni ndi anaika HBO 1-3 mibadwo (popanda mayankho)! Kuyendetsa pa petulo sikofunikira kwambiri kusokoneza kuwerenga kwa sensor ya okosijeni yapamwamba, chifukwa kusakaniza kwamafuta a mpweya kumasinthidwa malinga ndi iwo!

Pulogalamu yamagetsi yamagetsi

Chophimba chamagetsi cha kafukufuku wa lambda chimagwira ntchito pa mfundo yosokoneza chizindikiro chenicheni cha sensa kwa chomwe chikufunikira kuti chizigwira ntchito bwino. Pali njira ziwiri zamakina:

• Ndi resistor ndi capacitor. Dera losavuta lomwe limakulolani kuti musinthe mawonekedwe a chizindikiro chamagetsi kuchokera ku DC mwa soldering muzinthu zowonjezera. The resistor imagwira ntchito kuchepetsa voteji ndi panopa, ndi capacitor amathandiza kuthetsa voteji ripple pa katundu. Mtundu uwu wa blende nthawi zambiri umagwiritsidwa ntchito pambuyo poti chothandizira chadulidwa kuti chifanizire kukhalapo kwake.
• Ndi microcontroller. Chingwe chamagetsi cha kafukufuku wa lambda wokhala ndi purosesa yake imatha kupanga chizindikiro chomwe chimafanizira kuwerenga kwa sensor yogwira ntchito ya okosijeni. Pali emulators amadalira kuti womangidwa woyamba (chapamwamba) DC, ndi emulators palokha kuti kupanga chizindikiro popanda malangizo akunja.

Mtundu woyamba umagwiritsidwa ntchito kunyenga ECU pambuyo pa kuchotsedwa kapena kulephera kwa chothandizira. Yachiwiri imathanso kugwira ntchito pazifukwa izi, koma nthawi zambiri imagwiritsidwa ntchito ngati nsabwe ya kafukufuku woyamba wa lambda pakuyendetsa kwanthawi zonse ndi m'badwo wakale wa HBO.

Dongosolo la kuphatikiza kwamagetsi kwa sensa ya oxygen

Chophimba chamagetsi cha kafukufuku wa lambda, dera lomwe limaperekedwa pamwambapa, lili ndi zinthu ziwiri zokha ndipo n'zosavuta kupanga, koma zingafunike kusankha zigawo za wailesi pamtengo wapatali.

Kuphatikiza kwa resistor ndi capacitor mu wiring

Electronic blende ya lambda probe pa resistor ndi capacitor

The resistor ndi capacitor akhoza kuphatikizidwa mu galimoto ndi masensa awiri mpweya ndi kalasi zachilengedwe Euro-3 ndi apamwamba. Dzichitireni nokha snag yamagetsi ya kafukufuku wa lambda imachitika motere:

• chopingacho chimagulitsidwa pakuphulika kwa waya wamagetsi;
• capacitor yopanda polar imalumikizidwa pakati pa waya wa chizindikiro ndi nthaka, pambuyo potsutsa, pambali ya cholumikizira cha sensor.

Mfundo yogwiritsira ntchito simulator ndi yophweka: kukana mu dera lazizindikiro kumachepetsa zomwe zikubwera kuchokera ku sensa yachiwiri ya okosijeni, ndipo capacitor imatulutsa mpweya wake. Chotsatira chake, jekeseni ECU "ikuganiza" kuti chothandizira chikugwira ntchito ndipo mpweya wa okosijeni mu utsi umakhala mkati mwanthawi zonse.

Dzichitireni nokha lambda probe snag scheme

Kuti mupeze chizindikiro choyenera (mawonekedwe a pulse), muyenera kusankha izi:

• non-polar film capacitor kuchokera 1 mpaka 5 microfarads;
• resistor kuchokera ku 100 kΩ kufika ku 1 MΩ ndi kutaya mphamvu kwa 0,25-1 W.

Kuti mufewetse, mutha kugwiritsa ntchito chopinga chowongolera choyambira ndi mitundu iyi kuti mupeze mtengo woyenera. Dera lodziwika kwambiri lili ndi 1 MΩ resistor ndi 1 uF capacitor.

Muyenera kulumikiza snag kuti mupume mu sensa yolumikizira ma waya, pomwe makamaka kutali ndi zinthu zotulutsa zotentha. pofuna kuteteza zigawo za wailesi ku chinyezi ndi dothi, ndi bwino kuziyika mumlandu ndikuzidzaza ndi sealant kapena epoxy.

The emulator akhoza kupangidwa mu mawonekedwe a adaputala-spacer pakati zolumikizira lambda kafukufuku "mayi" ndi "bambo" ntchito zolumikizira yoyenera.

Microprocessor board mu lambda probe wiring break

Chingwe chamagetsi cha kafukufuku wa lambda pa microcontroller chimafunika muzochitika ziwiri:

• m'malo mwa kuwerenga kwa sensa yoyamba (kapena yokha) ya okosijeni poyendetsa pa HBO 2 kapena mibadwo ya 3;
• m'malo mwa kuwerenga kwa lambda yachiwiri kwa galimoto yokhala ndi Euro-3 ndi apamwamba popanda chothandizira.

Mutha kusonkhanitsa emulator ya sensa ya okosijeni pa microcontroller yodzichitira nokha ya HBO pogwiritsa ntchito zida zotsatirazi:

• chigawo chophatikizika cha NE555 (wolamulira wamkulu yemwe amapanga ma pulses);
• capacitors 0,1; 22 ndi 47 uF;
• resistors kwa 1; 2,2; 10, 22 ndi 100 kOhm;
• kuwala-emitting diode;
• kulandirana.

Dzichitireni nokha snag yamagetsi ya kafukufuku wa lambda - chithunzi cha HBO

Chophatikizika chomwe tafotokoza pamwambapa chimalumikizidwa kudzera pa relay mu kudula kwa waya wamakina pakati pa sensa ya okosijeni ndi kompyuta. Pamene ntchito pa mpweya, ndi kulandirana kumaphatikizapo emulator mu dera amene amapanga yabodza kachipangizo mpweya mpweya. Mukasinthira ku mafuta, sensa ya okosijeni imalumikizidwa mwachindunji ndi kompyuta pogwiritsa ntchito cholumikizira. motere, zonse zomwe zimachitika pa lambda pa petulo komanso kusakhalapo kwa zolakwika pa gasi zimatheka nthawi yomweyo.

Mukagula emulator yopangidwa kale ya kafukufuku woyamba wa lambda wa HBO, idzawononga pafupifupi 500-1000 rubles..

N'zothekanso kupanga snag yamagetsi ya kafukufuku wa lambda kuti muyese kuwerengera kwa sensa yachiwiri ndi manja anu. Kwa ichi mudzafunika:

• resistors kwa 10 ndi 100 ohms (2 ma PC.), 1; 6,8; 39 ndi 300 kOhm;
• capacitors kwa 4,7 ndi 10 pF;
• amplifiers LM358 (2 ma PC.);
• Schottky diode 10BQ040.

Dera lamagetsi la emulator yodziwika likuwonetsedwa pachithunzichi. Mfundo yogwiritsira ntchito snag ndikusintha zowerengera zowerengera za sensa yoyamba ya okosijeni ndikuwasamutsira ku kompyuta mwachiwonekere chowerengera kuchokera kwachiwiri.

Ndondomeko ya emulator yosavuta yamagetsi ya kafukufuku wachiwiri wa lambda

Chiwembu chomwe chili pamwambapa ndi chapadziko lonse lapansi, chimakupatsani mwayi wofananiza magwiridwe antchito a titaniyamu ndi zirconium oxygen sensors.

Emulator wokonzeka wa probe yachiwiri ya lambda yozikidwa pa microcontroller idzatenga ma ruble 1 mpaka 5, kutengera zovuta..

Kujambula kwa snag ya makina

Kujambula kwa makina osakanikirana a kafukufuku wa lambda kwa masensa ambiri a zirconium a Euro-3: dinani kuti mukulitse

Mphepete mwa makina a probe lambda angagwiritsidwe ntchito pa galimoto yokhala ndi chothandizira chakutali ndi sensa yachiwiri (yotsika) ya oxygen. Dummy screw yokhala ndi dzenje imagwira ntchito bwino pamakina a Euro 3 ndi makina otsika, omwe masensa ake samva bwino. Kusakanikirana kwamakina kwa kafukufuku wa lambda, chojambula chomwe chikuwonetsedwa mu fanizoli, ndi chamtunduwu.

Kwa Euro-4 ndi kupitilira apo, mufunika snag yokhala ndi chosinthira chaching'ono chothandizira mkati. Idzayeretsa mpweya m'dera la sensa, potero ndikufanizira kugwira ntchito kwa chothandizira chomwe chikusowa. Zimakhala zovuta kupanga snag yotere ya lambda probe ndi manja anu, chifukwa imafunikanso wothandizira wothandizira.

Sleeve yokhala ndi mini catalytic converter

Kuti mupange makina osakaniza a lambda probe ndi manja anu, mudzafunika lathe ndi luso logwira ntchito nalo, komanso:

• chitsulo chosapanga dzimbiri chopanda kanthu kapena chosagwira kutentha pafupifupi 100 mm kutalika ndi 30-50 mm m'mimba mwake;
• ocheka (kudula, otopetsa ndi kudula ulusi);
• tapani ndi kufa M18x1,5 (m'malo mwa odulira kuti azitha ulusi);
• chinthu chothandizira.

Chovuta chachikulu ndikufufuza chinthu chothandizira. Njira yosavuta ndikudula kuchokera pa chothandizira chosweka posankha gawo lonselo.

Ceramic ufa, womwe umalangizidwa kuti ugwiritse ntchito pazinthu zina za intaneti, sizoyenera pazifukwa izi!

Dzichitireni nokha lambda lambda ndi chothandizira chaching'ono: chojambula cha spacer: dinani kuti mukulitse

Oxidation ya carbon monoxide ndi ma hydrocarbons osawotchedwa mu chothandizira amaperekedwa osati ndi ceramic yokha, koma ndi kutulutsa zitsulo zolemekezeka (platinamu, rhodium, palladium) zomwe zimayikidwapo. Choncho, ochiritsira ceramic filler alibe ntchito - amangokhala ngati insulator kuti amachepetsa otaya mpweya kwa sensa, amene sapereka zotsatira ankafuna.

Mu makina osakanikirana a kafukufuku wachiwiri wa lambda, mutha kugwiritsa ntchito zotsalira za chosinthira chothandizira chomwe chagwa kale ndi manja anu, chifukwa chake musathamangire kupereka kwa ogula.

Kuphatikizika kwamafakitale a kafukufuku wa lambda wokhala ndi chothandizira chaching'ono kumawononga ma ruble 1-2.

Ngati malo omwe sensa ya okosijeni ili pamzere wotulutsa mpweya ndi yochepa kwambiri, DC yokhazikika yokhala ndi spacer sangagwirizane! Pankhaniyi, muyenera kupanga kapena kugula nsonga yapakona ya L.

Screwdriver yokhala ndi dzenje laling'ono

Chophimba cha lambda snag screw chimapangidwa mofanana ndi mini-catalyst. Kwa ichi muyenera:

• lathe;
• chopanda kanthu chopangidwa ndi mkuwa kapena chitsulo chosapanga dzimbiri chosatentha;
• seti ya odula ndi/kapena mpopi ndi mbale M18x1,5.

Dzichitireni nokha makina osakaniza a lambda probe: zojambula zomata

Kusiyanitsa kokhako pamapangidwe ndikuti mulibe chodzaza chothandizira mkati, ndipo dzenje lomwe lili m'munsi lili ndi mainchesi (2-3 mm). Imachepetsa kutuluka kwa mpweya wotulutsa mpweya kupita ku sensa ya okosijeni, potero ikupereka kuwerenga komwe mukufuna.

Kodi snag lambda probe imatha nthawi yayitali bwanji?

Mechanical oxygen sensor snags popanda chodzaza chothandizira ndi chosavuta komanso chokhalitsa, koma chosagwira ntchito kwambiri. Amagwira ntchito popanda mavuto pa injini za Euro-3 zachilengedwe zokhala ndi ma probe a lambda otsika kwambiri. Nthawi yayitali bwanji snag yamtunduwu wa lambda probe imagwira ntchito zimatengera mtundu wa zinthuzo. Mukamagwiritsa ntchito zitsulo zamkuwa kapena zosagwira kutentha, zimatha kukhala zamuyaya, koma nthawi zina (makilomita 20-30 zikwi) zimafunika kuyeretsa dzenje kuchokera ku carbon deposits.

Kwa magalimoto atsopano, mukufunikira snag yokhala ndi mini-catalyst mkati, yomwe ilinso ndi zinthu zochepa. Pambuyo pa chitukuko cha filler chothandizira (chimachitika pa 50100 zikwi makilomita), amasiya kupirira ntchito anapatsidwa ndi kusanduka analogi wathunthu wa wononga yosavuta. Pankhaniyi, simulator iyenera kusinthidwa kapena kudzazidwa ndi zinthu zatsopano zothandizira.

Ma snags amagetsi samangokhalira kusweka ndi kuvala, chifukwa samakumana ndi zovuta zamakina. Koma gwero la zigawo za wailesi (resistors, capacitors) ndizochepa, m'kupita kwa nthawi zimadetsa ndikutaya katundu wawo. The emulator akhoza kulephera msanga ngati fumbi kapena chinyezi afika pa zigawo zikuluzikulu chifukwa kutayikira.

Mtundu wa mankhwala osokoneza bongo	Kugwirizana kwagalimoto	Momwe mungasungire snag LZ	Kodi snag LZ imakhala nthawi yayitali bwanji (kusintha kangati)
Mechanical (screwdriver)	1999-2004 (EU kupanga), mpaka 2013 (Russian kupanga), magalimoto mpaka Euro-3 kuphatikizapo.	Nthaŵi ndi nthawi (makilomita 20-30 aliwonse), pangakhale kofunikira kuyeretsa dzenje ndi phokoso la sensa kuchokera ku carbon deposits.	Mwachidziwitso kwamuyaya (chokha chosinthira makina, palibe chomwe chingaswe).
Mechanical (mini-catalyst)	Kuyambira 2005 (EU) kapena 2013 (Russia) mpaka pano c., kalasi Euro-3 ndi pamwamba.	Pambuyo pokonza gwero, pamafunika kusinthidwa kapena kusinthidwa kwa catalytic filler.	50-100 Km, kutengera mtundu wa filler.
Electronic board)	Odziyimira pawokha emulators mpaka 2005 (EU) kapena mpaka 2013 (Russia) ya chaka chopanga, kalasi zachilengedwe Euro-2 kapena Euro-3 (komwe kuli koyenera kukhazikitsa mibadwo ya HBO 2 ndi 3). Emulators pogwiritsa ntchito kuwerenga kwa DC woyamba kunyenga kafukufuku wachiwiri wa lambda - kuchokera ku 2005 (EU) kapena 2008 (Russia) kuti apereke. c., kalasi ya Euro-3 ndi apamwamba, koma zosiyana ndi zotheka, kusankha kolondola kwa zipembedzo ndikofunikira.	Kusamalira sikofunikira ngati kuli pamalo owuma, oyera komanso otalikirana ndi chinyezi ndi dothi.	Zimatengera mtundu wa zida zamagetsi. Galimoto iyenera kukhala nthawi yonse ya moyo wa galimotoyo, koma ma electrolyte ndi/kapena resistors angafunikire kugulitsidwanso ngati zida zamtundu wolakwika zikugwiritsidwa ntchito.
Electronic (resistor ndi capacitor)	Galimoto yochokera ku 2005 (EU) kapena 2008 (Russia), kalasi ya Euro-3 ndi pamwambapa.	Nthawi ndi nthawi ndi bwino kuyang'ana kukhulupirika kwa maelementi.	Zimatengera mtundu wa zigawo za wailesi ndi kusankha koyenera kwa mavoti. Ngati zigawozo zasankhidwa bwino, musatenthe kwambiri ndipo musanyowe, zikhoza kukhala zokwanira kwa moyo wonse wa galimoto.

Ndi lambda snag iti yomwe ili bwino

Yankhani motsimikiza funso "Ndi lambda snag yabwino?" zosatheka. Chida chilichonse chimakhala ndi zabwino ndi zoyipa zake, kuyanjana kosiyana ndi mitundu ina. Ndi snag iti ya kafukufuku wa lambda yomwe ili bwino kuyiyika - zimatengera cholinga chakusintha uku komanso momwe zinthu ziliri:

• zitsulo zamakina zimagwira ntchito limodzi ndi sensa ya oxygen yogwira ntchito;
• kutengera magwiridwe antchito a sensa ya okosijeni pa HBO yakale, zidule zamagetsi zokha zokhala ndi microcontroller (generator pulse) ndizoyenera;
• pa magalimoto akale a kalasi osati apamwamba kuposa Euro-3, ndi bwino kuyika snag-screw - yotsika mtengo komanso yodalirika;
• pa magalimoto amakono (Euro-4 ndi pamwamba), ndi bwino kugwiritsa ntchito mini catalysts;
• njira yokhala ndi resistor ndi capacitor ndi yotsika mtengo, koma yosadalirika yamtundu wamagalimoto atsopano;
• emulator ya kafukufuku wachiwiri wa lambda pa microcontroller yomwe imagwira ntchito kuyambira yoyamba ndiyo njira yabwino kwambiri ya galimoto yomwe ili ndi vuto lolephera kapena kuchotsedwa lachiwiri la okosijeni.

Nthawi zambiri, ndi mini-catalyst ndiyo njira yabwino kwambiri ya DC yothandiza, chifukwa imatsanzira magwiridwe antchito a converter yokhazikika molondola kwambiri. The microcontroller ndi njira yovuta kwambiri komanso yokwera mtengo, choncho ndiyofunika pokhapokha ngati palibe sensor yokhazikika kapena imayenera kunyengedwa kuyendetsa gasi.