Kodi crankshaft sensor ili pati pa Honda SRV

Sindikudziwa masanjidwe a injini iyi, koma zonse zikuwoneka ngati DPKV kusintha zida litayamba sizimangika mwachindunji crankshaft, koma shaft ina yoyendetsedwa kuchokera crankshaft kudzera giya / unyolo / lamba (mwina pa camshaft). , kapena pamtundu wina wa shaft wapakati, kapena pa camshaft). Ngati ndi choncho, ndiye kuti chizindikiro chochokera ku DPKV sichikhala ndi chidziwitso cholondola chokhudza kuthamanga kwaposachedwa kwa crankshaft, chifukwa kugwirizana pakati pa disk disk ndi crankshaft sikuli kokwanira. Ndipo popeza palibe chidziwitso chenicheni mu chizindikiro choyambirira, zolemba za CSS sizidzatha kuzichotsa mu chizindikirochi.

Ndangoyamba kuwerenga ulusi uwu. Ndipo popeza mutuwo udapangidwa kalekale, sindimayankhanso apa. Koma, nditawerenga mpaka kumapeto, ndinapeza kuti mutha kukhalabe ndi galimotoyi ndipo ndinaganiza zoyankha. Ngati n'kotheka: tchulani komwe sensor ya crankshaft ili, komwe kuli disk yake. Zingakhale zabwino kuwona chithunzi.

M'malo mwake, sensa ya crankshaft imagwira ntchito ngati chosinthira cha analogi cholumikizira njira yoyatsira mafuta osakanikirana m'zipinda zoyatsira za injini yoyaka mkati panthawi yomwe pisitoni imakakamira. Chizindikirocho chimatumizidwa ku kompyuta yomwe ili pa bolodi, sensor yokhayo imayikidwa pafupi ndi injini ya flywheel.

Cholinga cha sensa ya DPKV

M'makina amakono oyatsira zamagetsi zamagetsi, mafuta osakanikirana amalowetsedwa mu masilinda, ndipo spark imaperekedwa kuchokera ku spark plug itatha kukanikizidwa ndi kompyuta yomwe ili pa bolodi. Sensa ya DPKV imagwiritsidwa ntchito kudziwa malo a pistoni panthawi yoperekedwa. Ndi chipangizo chamagetsi ichi chomwe chimatumiza chizindikiro ku ECU kuti ipange zochitika zomwe zimafotokozedwa ndi kuyatsa kwamagetsi kwa galimotoyo.

Mosasamala kanthu komwe kusinthidwa kwa sensa ya crankshaft kumagwiritsidwa ntchito, zizindikiro za kusagwira ntchito kwa chipangizochi zimawonetsedwa pakalibe jekeseni / jekeseni wamafuta kapena kuphwanya kuzungulira uku. M'mawu ena, injini kuyaka mkati sangathe anayambitsa kapena injini mowiriza kusiya pakapita nthawi. Izi zikuwonetsa kupotoza kwa chizindikiro cha pisitoni pansi ndi pakati pakufa pamwamba.

Pang'ono ndi pang'ono, chingwe cholumikiza DPKV ku ECU chimawonongeka, pamenepa chizindikiro sichitumizidwa ku kompyuta yomwe ili pa bolodi, ntchito ya injini sikutheka kwenikweni.

Kodi ICE imayikidwa pa chiyani?

Chipangizo choterocho sichingakhoze kukwera pamagalimoto opanda makompyuta, komanso pa injini za carburetor. Choncho, DPKV alipo kokha injini dizilo ndi injini jakisoni. Kuti mudziwe malo a crankshaft sensa, m'pofunika kuganizira mbali za ntchito yake:

• mbali za crank gulu, pulleys ndi flywheel amamangiriridwa ku crankshaft;
• KShM imabisika mu tray, malamba a ma gear omwewo amaikidwa pazitsulo, choncho zimakhala zovuta kwambiri kukonza sensa pafupi ndi zigawozi;
• flywheel ndi gawo lalikulu kwambiri, ndi la machitidwe angapo a injini nthawi imodzi, kotero DPKV imamangiriridwa pafupi ndi iyo kuti ipereke mwayi wofulumira posintha.

Chenjezo: Sensa ya malo a crankshaft imatengedwa ngati chipangizo chamagetsi chopanda kukonza. Amapezedwa ndi kusinthidwa pamene vuto lathunthu lapezeka.

DPRV sensor

Kuwonjezera pa crankshaft sensa, DPRV sensa akhoza kuikidwa mu injini kuyaka mkati, amene ali ndi udindo kupereka osakaniza mafuta ndi spark kwa yamphamvu inayake mu injini. Sizida zazikulu zamagetsi, mosiyana ndi crankshaft, zimayikidwa pa camshaft. Dzina lake lachiwiri ndi pulse-type phase sensor.

Ngati PRV ili ndi vuto, injini sidzasiya kugwira ntchito, koma majekeseni amawombera kawiri kawiri kawiri kawiri kawiri mpaka vutolo litakonzedwa.

Mapangidwe ndi mfundo zogwirira ntchito za crankshaft sensor

Kuti sensa itumize chizindikiro pa chingwe kupita ku microcontroller ya kompyuta, mfundo zotsatirazi zimagwiritsidwa ntchito:

1. makamaka mano awiri a flywheel amachotsedwa;
2. kutembenuza mano onse a flywheel pafupi ndi DPKV, amasokoneza mphamvu ya maginito yomwe imapangidwa mu koyilo ya chipangizocho;
3. panthawi yodutsa pafupi ndi sensa ya gawo la korona ndi dzino losowa, kusokoneza kumachoka;
4. chipangizocho chimatumiza chizindikiro cha izi ku kompyuta, ndipo kompyuta imatsimikizira malo enieni a pistoni mu silinda iliyonse.

Kuchita bwino kumatheka kokha ndi kusiyana kwa 1 mpaka 1,5 mm pakati pa mano a mphete ya flywheel ndi electrode ya chipangizocho. Choncho, pali wedges pamwamba pa mpando DPKV. Ndipo chingwe chofananira chokhala ndi kutalika kwa 0,5 - 0,7 m kuchokera pakompyuta chili ndi cholumikizira cha turnkey.

Pulogalamu ya ECU imakulolani kuti muwerenge malo a pistoni mu masilindala I ndi IV pamene chizindikiro chikulandiridwa ndi njira yozungulira shaft. Izi ndi zokwanira m'badwo wolondola wa ma siginecha kumafuta amafuta ndi sensa yoyatsira.

Chamawonedwe

Mwadongosolo, sensa iyi imakhala ndi LED ndi wolandila. Chizindikirocho chimapangidwa pa wolandirayo podutsa mbali ya flywheel ndi mano otha, chifukwa panthawiyi mtengo wa LED sunatsekeredwe kwathunthu ndi mano ena onse.

Zochita zosavutazi sizikulolani kuti mugwiritse ntchito chipangizochi pazinthu zina. Pakachitika vuto (kuwotcha desynchronization), DPKV imasinthidwa pamodzi ndi chingwe.

Hall Sensor

Kugwira ntchito pa mfundo ya kusiyana kotheka mu gawo mtanda wa zitsulo (Hall effect), crankshaft position sensa ili ndi ntchito yowonjezera yogawa kuyatsa ku zipinda zoyaka za silinda.

Mfundo yosavuta yogwiritsira ntchito sensa imatengera mawonekedwe amagetsi chifukwa cha kusintha kwa maginito. Popanda ntchentche yokhala ndi mano awiri akuthwa, chipangizochi sichingagwire ntchito.

Wochititsa chidwi

Mosiyana ndi zosintha zam'mbuyomu, sensor ya maginito ya crankshaft imagwira ntchito ndi electromagnetic induction:

• munda umapangidwa nthawi zonse kuzungulira chipangizocho;
• voteji kupereka chizindikiro kwa microprocessor kumachitika kokha pamene akudutsa gawo la flywheel mphete giya, amene palibe mano.

Axle position control si njira yokhayo ya chipangizochi, imagwiranso ntchito ngati axis speed sensor.

Popeza chipangizo cha maginito ndi sensa ya Hall ndi zida zogwirira ntchito zambiri, zimagwiritsidwa ntchito nthawi zambiri pama motors.

Malo a DPKV

Ngakhale ndi dongosolo lakuda la zigawo ndi misonkhano ya makina pansi pa hood, opanga akuyesera kuonetsetsa kupezeka kwa DPKV kuti alowe m'malo mwamsanga pamsewu. Chifukwa chake, kumvetsetsa komwe sensor ya crankshaft ili ndi zophweka:

• ili pakati pa alternator pulley ndi flywheel;
• kutalika kwa chingwe ndikokwanira kulumikiza kwaulere ku netiweki yapa bolodi;
• pali kusintha wedges pa mpando kukhazikitsa kusiyana 1 - 1,5 mm.

Chifukwa cha mutu wa turnkey, ngakhale woyendetsa novice amatha kuchotsa sensor.

Zovuta zazikulu

Mwachizoloŵezi, pazida zamagetsi zambiri zomwe zili m'bwalo, zizindikiro zina za crankshaft sensor malfunction zimatsimikiziridwa mowonekera. Mwachitsanzo, ngati Check ili pa dashboard, dalaivala ali ndi code yowerenga zolakwika, dalaivala amawonetsa 19 kapena 35.

Zolakwa zambiri ndi izi:

• kuzimitsa injini mowiriza;
• kusowa koyambira;
• Kugwira ntchito mwadzidzidzi kwa majekeseni / majekeseni kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiriXNUMXkanitsire (kulephera kwa DPRV).

Imodzi mwa njira zomwe zilipo zodzizindikiritsa pankhaniyi ndi "sonification" ndi tester. Kukaniza kwamkati kwa sensor windings kuyenera kukhala pakati pa 500 ndi 800 ohms.

Kukonza kungafunike ngati makina awonongeka pa chipangizocho. Mwachitsanzo, ngati dothi kapena zinthu zakunja zifika pamtunda wa flywheel, chizindikirocho chimasokonezedwa ndi iwo.

Chimbale cha nthawi chikhoza kukhala ndi maginito mwangozi panthawi ya diagnostics. Pankhaniyi, kukonza kumakhala ndi demagnetization pogwiritsa ntchito njira yapadera yogwiritsira ntchito thiransifoma pamalo operekera chithandizo.

Ngati kukana kokhotakhota kwa koyilo sikufanana ndi magawo omwe atchulidwa, mwiniwake wagalimoto nthawi zambiri amazindikira ndi zizindikiro zosalunjika:

• kutembenuka kulumpha mwachisawawa;
• mayendedwe akuyenda amatha kapena mphamvu ya injini yoyaka mkati imatayika;
• pa "zoyandama" zopanda pake;
• detonations zimachitika pa ntchito.

Chidziwitso: Popeza izi zitha kuchitika chifukwa chazifukwa zina, ndikwabwino kupita kumalo operekera chithandizo kuti muzindikire matenda apakompyuta. Monga njira yomaliza, muyenera kuyang'ana kachipangizo ka crankshaft pogwiritsa ntchito njira zomwe zilipo.

Diagnostics a DPKV ndi DPRV

Pakakhala zosokoneza pakugwira ntchito kwa injini yoyaka mkati, pangakhale zifukwa zambiri. Komabe, ngakhale pali malo ena ovuta, kuzindikira sensa ya crankshaft ndiyomwe imatenga nthawi yochepa. Kenako, kutengera zotsatira, kukonzanso kwina kumatha kuchitidwa kapena sensa ya crankshaft ingasinthidwe ngati cheke ikuwonetsa kusagwira bwino ntchito. Mfundo yodziwira matenda imachokera ku zosavuta mpaka zovuta, ndiko kuti, kuyang'ana maso, ndikuwunika ndi ohmmeter, kenako ndi oscilloscope kapena pa kompyuta.

Chidziwitso: Kuti muwone DPKV, tikulimbikitsidwa kuti muyiphatikize, chifukwa chake muyenera kuyika chizindikiro chake pokhudzana ndi thupi.

Kuwona zowoneka

Popeza sensa imayikidwa ndi kusiyana kwa kusiyana, mtunda uwu uyenera kufufuzidwa kaye ndi caliper. Njira zotsatirazi kuti muwonetsetse sensor ya crankshaft:

• kuzindikira zinthu zakunja pakati pake ndi chiwongolero;
• pezani dothi m'malo a mano osowa a disc yanthawi;
• kutha kapena kusweka kwa mano (kawirikawiri).

Kwenikweni, pa nthawi iyi, mwiniwake wa galimoto alibe zovuta. Macheke ena ayenera kuchitidwa ndi zida, makamaka ndi multimeter (tester), yomwe imatha kusinthidwa kukhala ohmmeter, voltmeter ndi ammeter.

Ommeter

Pakadali pano, kuyang'ana sensa ya crankshaft sikufuna chidziwitso chapadera ndi chidziwitso:

1. multimeter yakhazikitsidwa ku malo ohmmeter (2000 Ohm);
2. kukana kumayesedwa ndi tester pa coil sensor;
3. mtengo wake umachokera ku 500 mpaka 800 ohms;
4. mtengo wina uliwonse umangowonetsa kuti DPKV ikufunika kukonzedwa.

Popeza sensa ndiyotsika mtengo, imasinthidwa kwathunthu. Podziwa komwe kuli, muyenera kuchotsa ndi mabatire otsekedwa ndi wrench.

Kufufuza mozama

Kuyang'ana mozama kumalimbikitsidwa musanalowe m'malo mwa crankshaft sensor. Mikhalidwe yayikulu yogwiritsiridwa ntchito kwake ndi:

• kutentha kwa chipinda (madigiri 20);
• kukhalapo kwa thiransifoma, whisk, voltmeter, mita ya inductance ndi megohmmeter.

Njira yotsimikizira ili motere:

1. thiransifoma imapereka 500 V kumayendedwe;
2. kukana kutchinjiriza kuyenera kukhala mkati mwa 20 MΩ;
3. coil inductance 200 - 400 mH.

Ngati magawo omwe atchulidwa ali mkati mwanthawi zonse, ndipo cholakwika choyesa chili pagawo, ndiye kuti chifukwa cha vutolo chimakhala m'malo ena a injini zoyatsira mkati. Kuchokera ku sensa, chizindikirocho chimaperekedwa popanda kusokoneza. Ngati chikhalidwe chilichonse chikupatuka pamtengo womwewo, ndikofunikira kusintha sensa ya crankshaft.

Oscilloscope pa station station

Kuphatikiza pa mtengo womwe sungathe kupirira kwa woyendetsa wamba, oscilloscope imafuna ziyeneretso zapamwamba kuchokera kwa wogwiritsa ntchito. Chifukwa chake, ngati tikulankhula za matenda aukadaulo a DPKV, ndikwabwino kulumikizana ndi akatswiri apadera amagalimoto.

Mayeso amachitika patsamba, chingwe sichimachotsedwa pakompyuta:

1. chipangizocho chimayikidwa ku inductive crank mode;
2. chingwe cha oscilloscope chakhazikika;
3. cholumikizira chimodzi chikugwirizana ndi USBAutoscopeII, chachiwiri chikugwirizana ndi terminal A ya sensa;
4. injini imasunthidwa ndi choyambira kapena mipukutu yoyimitsa.

Kupatuka kulikonse mu matalikidwe a mafunde pawindo la oscilloscope kudzawonetsa kuti chizindikiro chosokonekera kuchokera ku sensa chimaperekedwa kudzera pa chingwe.

Nuances ntchito DPKV ndi DPRV masensa

Pakachitika kuwonongeka kwadzidzidzi kwa chipangizo chamagetsi panjira, kuyambika kwanthawi zonse ndikugwira ntchito kwa injini sikutheka. Akatswiri opangira ma service station amalimbikitsa kukhala ndi DPKV yopuma kuti mutha kusintha sensa ya crankshaft ndi manja anu m'munda. Chipangizocho ndi chotsika mtengo, ndi kusungidwa koyenera sikungawonongeke kapena kusweka. Zina mwazambiri ndi:

• kulephera kwa crankshaft udindo sensa - kulephera osowa, diagnostics bwino pa siteshoni utumiki pa oscilloscope;
• atapeza zizindikiro za kulephera kwa crankshaft udindo sensa, m'pofunika kuika chizindikiro pamaso disassembly;
• mtunda wokhazikika wokhazikika ku disk synchronizer ndi 1 mm;
• ndikoletsedwa kuzindikira kuwonongeka ndi babu; ntchito imachitika ndikuzimitsa.

Chifukwa chake, sensa ya crankshaft ndiye chida chokhacho mu injini yoyaka mkati yomwe imagwirizanitsa kuyatsa. Kuwonongeka kwa 90% yamilandu kumapangitsa kuti galimotoyo isayende bwino popanda kupita ku siteshoni. Choncho, tikulimbikitsidwa kukhala ndi DPKV yopuma m'galimoto.