Mota yekumhanyisa sensor

Iyo Vehicle Speed ​​​​Sensor (DSA) inodiwa kuyera kumhanya kwemotokari. Iyo sensor kuverenga inoendeswa kune yemagetsi control unit (ECU), iyo inotarisisa kushanda kweinjini uye kugadzirisa kushanda kweinjini. Pahuwandu hwemotokari, iyo yekumhanyisa sensor inowanikwa yakananga pabhokisi regiya padhuze neanomhanyisa mota dhiraivha.

Pakati pezvakanyanya kukanganisa kweDSA, munhu anogona kusiyanisa: kuvhurika dunhu, kukuvadzwa kana oxidation yevanobatika, kutadza kwe sensor pachayo, kusashanda kweiyo kasi sensor. Muchiitiko chekusashanda, iyo yekumhanyisa sensor inotariswa uye isina disassembly:

• multimeter (kuyerwa kwezviratidzo mukati mebasa rekutenderera);
• kushandisa mwenje wekudzora;

Ruzivo rwakadzama pamusoro pezviratidzo zvekusashanda kumhanya sensor, uye kuti ungaitarisa sei, inoratidzwa muchinyorwa chedu.

Speed ​​​​sensor pamota: iripi

Iyo yekumhanyisa sensor iri pabhokisi regiya, munzvimbo yespeedometer drive mecha. Basa guru remotokari yekumhanya sensor (DSA) ndeyekuyera kumhanya, mushure mezvo ruzivo urwu rwunotumirwa kumakombiyuta.

Mushure mekugamuchira chiratidzo kubva kuDSA, iyo yemagetsi unit inodzora iyo isingashande kumhanya, inodzora huwandu hwemhepo inopinda muinjini, uye zvakare inoshandura akati wandei mamwe ma paramita. Iyo inomhanyisa mota inofamba, iyo inokwirisa kuwanda kweiyo masaini anofambiswa kubva kune yekumhanya sensor.

Iyo DSA inoshanda sei

Iko kushanda kweiyo yekumhanyisa sensor kunoenderana neHoro maitiro. Iyo frequency-pulse chiratidzo inogadzirwa ne sensor, iyo inotumirwa kune komputa, yakanangana nekumhanya kwekutenderera kwemavhiri emota.

Zvakare, iyo injini yekudzora unit "inoverengera" nguva pakati pemapurusi, ichitarisa kumhanya kwemotokari.

Iyo yekumhanyisa sensor haina kurongeka: zviratidzo zvekutadza kushanda

Chiratidzo chiri pachena chematambudziko neDSA isiri-kushanda speedometer. Kana injini yejekiseni ichimira isina basa kana mumamiriro enguva pfupi, iyo mota yekumhanyisa sensor inogonawo kunge iri chikonzero.

Muzviitiko apo iyo yekumhanyisa sensor (speedometer sensor) haina kurongeka zvachose kana kutumira data risiri iro, iyo unit yemagetsi haina kugadzikana zvakanyanya.

Kana kukanganisa kwakadaro kuchiitika mukushanda kwejini, unofanirwa kuterera kune zviratidzo zvekukundikana kweiyo sensor yekumhanya, uye iwe unodawo kutarisa kasi sensor (iwe unogona kuzviita iwe pachako).

Padanho rekutanga, zvakakosha kuona kuti kasi sensor haisi kushanda, uye chikonzero chekusashanda kweinjini ndiko kutadza kweDSA. Iwe unofanirwa kutarisisa kune zvinotevera zviratidzo zvekusashanda speedometer sensor:

• muXX mode, injini haina kugadzikana;
• kana motokari ichifamba, iyo speedometer haishande kana kuverenga kusina kururama;
• traction yakarasika, simba rejini rakaderedzwa zvakanyanya;
• iyo motokari inomhanya zvakanyanya, kukanganisa kunoonekwa panguva yekuwedzera;
• apo accelerator pedal inosunungurwa mushure mokunge motokari ichikurumidza, jerks dzinoonekwa;
• kushandiswa kwemafuta kunowedzera zvakanyanya

Zvakare, "cheki" inofanirwa kuvhenekera pachiridzwa chekushandisa, nepo kukanganisa kuchinyorwa mundangariro yekombuta nenzira yekodhi inoenderana. Ndapota cherechedza kuti pane dzimwe motokari "cheki" inogona kusavhenekera. Paivawo nezviitiko apo BC yemotokari yakazviongorora uye yakapa "hapana DSA chiratidzo" kukanganisa.

Speedometer sensor haishande: zvikonzero

DSA malfunctions anowanzo kukonzerwa nedunhu rakavhurika, rakakuvadzwa kana oxidized contacts.

Zvimiro, iyo yekumhanyisa mota sensor pachayo yakavimbika (nekuremekedza kune yekumhanyisa sensor, iyo dhizaini yedhizaini iri nyore).

Izvo zvakakoshawo kufunga nezve chokwadi chekuti kasi sensor iripo. Nzvimbo iri mukamuri yeinjini pabhokisi regiya haibvumire kunhuhwirira, ingress yemvura yehunyanzvi, mvura uye tsvina, nezvimwe.

• Padanho rekutanga, zvinodikanwa kutarisa kutendeseka kweiyo wiring uye vanobatika. Kana dziri dzevanobatika, dzinofanirwa kucheneswa nekuzorwa (Litol-mhando girizi yakakodzera);
• Iwaya dze sensor yekumhanya dzinowanzo putika pedyo ne plug pa bend, sezvo wiring frays uye kuvhara kunoputika;
• Mukufanana, zvinokurudzirwa kutarisa kushorwa munharaunda yevhu. Chimiro chacho 1 ohm.

Kana pasina kukanganisa mu wiring uye kushamwaridzana, kana nzira dzakakurukurwa pamusoro apa hadzigadzirise dambudziko, zvakakosha kutarisa kushanda kwe sensor speed.

Maitiro ekutarisa iyo yekumhanyisa sensor nemaoko ako

Pakati penzira huru dzekutarisa DSA ndeidzi:

• kuongorora ne voltmeter;
• diagnostics kushandisa control rambi;

Mumotokari dzakawanda, sensor yakaiswa, iyo inoshandiswa iyo inobva paHoro effect. Kuongorora rudzi urwu rweDSA kuri nyore. Nekudaro, kune mamwe marudzi ekumhanyisa sensors: sensor yetsanga, pamwe neiyo inductive yekumhanyisa sensor. Nzira yekuedza masensa akadaro yakati siyanei.

Kutarisa iyo yekumhanyisa sensor ine multimeter

Iyo inonyanya kuzivikanwa mhando yekumhanyisa sensor ine 3 zvinobuda: pulse, pasi, uye voltage. Chekutanga pane zvese, iwe unofanirwa kuona kuvepo kwepasi uye 12 V voltage pane vanobatika.

Mazita anoratidzwa anotariswa nemultimeter, uye iyo "pulse" yekubata inotariswa nekutenderera. Kazhinji, voltage pakati peiyo terminal uye pasi inofanira kunge iri pakati pe0,5 ne10 V.

Kuti utarise iyo yekumhanyisa sensor ine voltmeter, iwe uchada:

• bvisa kasi sensor;
• sarudza chinangwa chekuonana;
• shandura iyo multimeter kune voltmeter mode;
• batanidza iyo yekupinza yekubatanidza yevoltmeter kune "pulse" kubuda;
• pasi pechipiri kusangana kune injini (inogoneka kumuviri wemotokari);

Ipapo iyo yekumhanyisa sensor inofanirwa kutenderedzwa, ichitarisa kuvepo kana kusavapo kwezviratidzo muchikamu chekushanda. Iyo yakabuda voltage ye sensor inoyerwa zvakare. Kuti uite izvi, zvinokurudzirwa kuisa chidimbu chepombi pane sensor shaft uye kuitenderedza nekumhanya kwakaderera kusvika ku5 km / h. Iyo inokurumidza iyo sensor inotenderera, iyo yakakwirira iyo voltage pane voltmeter inofanira kuva.

Maitiro ekutarisa iyo speedometer sensor pasina kubvisa

Kana muridzi asingazivi nzira yekubvisa iyo yekumhanyisa mota sensor, kana kuzoita cheki nekukurumidza, sensor inogona kupihwa. Necheki iyi uchada:

• jack up mota kuitira kuti rimwe remavhiri ekutyaira ribve pasi uye rinotenderera zvakasununguka;
• ipapo ma sensor contacts akabatanidzwa kune voltmeter. Mushure meizvozvo, iwe unofanirwa kushandura vhiri uye kuona kana pane voltage, uye zvakare kana pane shanduko muhuwandu;

Kana iyo voltage yakagadziriswa uye frequency inoshanduka, sensor yekumhanyisa iri kushanda. Mukushaikwa kwemagetsi, mukana wekukundikana kwechinhu ichi wakakwira.

Kurumidza kutarisa kweiyo speedometer sensor ine control light

Kutarisa iyo yekumhanyisa sensor inogonawo kuitwa nemwenje wekudzora (kana iyo inonzi inonzi control). Sechikamu checheki iyi:

• iyo impulse wire inobviswa kubva kune sensor;
• motokari inosimudzwa pajeko;
• vhiri rinorembera kunze uye moto unobatidzwa;
• ipapo tambo yekudzora inofambiswa nebhatiri;
• waya yechipiri ichabatanidzwa ne "signal" connector;

Kana iyo chiratidzo ichipenya apo vhiri riri kutenderera, iyo yekumhanyisa sensor iri kushanda. Kusavapo kwemwenje unopenya kucharatidza kuti sensor yakashata uye inoda kutsiviwa.

Maitiro ekutarisa iyo yekumhanyisa sensor drive

Mune zvimwe zviitiko, chikonzero chekusashanda chinogona kunge chisiri sensor pachayo, asi dhiraivha yayo. Nechikonzero ichi, zvinokurudzirwawo kutarisa iyo speedometer sensor drive. Necheki iyi uchada:

• simudza motokari pajeki uye kurembera vhiri;
• ona kushanda kwe sensor inobuda mubhokisi regiya;
• shandura chidhiraivho (unogona kushandisa tsoka imwe kana kukwezva mubatsiri);

Ipo vhiri rekutyaira riri kutenderera, zvinodikanwa kuti utarise zvine hungwaru kutyaira kwekutyaira (zvigunwe zvinobata). Izvo zvakakosha kwete kungoita chokwadi chekuti chikwata chiri kushanda, asiwo kuti yakagadzikana sei muhuwandu mukushanda. Isu tinokurudzirawo kuverenga chinyorwa pamusoro pezvipi zviratidzo zvekusashanda kweiyo idle speed controller. Muchikamu chino, iwe uchadzidza nezve nzira dzekutarisa iyo isingaite yekumhanyisa controller.

Sezvo mutemo, chero kutsauka kubva pane zvakajairwa ndiyo hwaro hwekuparadzanisa iyo unit. Mazino eiyo speed sensor drive gear anowanzo kukuvara.

Mamwe marudzi ekumhanya ma sensors: ane tsanga switch uye induction type sensor

Kunyangwe masensa akadaro achishandiswa zvishoma kazhinji pane Hall-effect DS, mhinduro dzakadai dzinowanikwa mune dzimwe mota. Nechikonzero ichi, mamwe maitiro anofanirwa kuverengerwa.

1. Iyo tsanga sensor inoburitsa masaini muchimiro cherectangular pulses ine duty cycle ye40-60%, kana ichichinja kubva 0 kusvika 5V kana kubva 0 kusvika 12V bhatiri voltage.
2. Nezve sensor inductive, chiratidzo chinobva mukutenderera kwemavhiri chakafanana neave wave oscillation (wave impulse). Nekuda kweizvozvo, iyo voltage inosiyana nekumhanya kwekutenderera. Iyo nheyo pachayo yakafanana nemabatiro anoita crank angle sensor.

Ngationei mhinduro

Iyo yekumhanyisa sensor (speedometer sensor) chinhu chakakosha mumudziyo wemagetsi injini yekudzora system. Kana zviratidzo zvekusashanda kweinjini zvinokurukurwa muchinyorwa zvichionekwa nemutyairi, kutarisisa kwakanyanya kunofanirwa kubhadharwa kune mota yekumhanyisa sensor.

Isu tinokurudzirawo kuverenga chinyorwa nezve kuti chikamu sensor chii. Muchikamu chino, iwe uchadzidza nezve zviratidzo zvechikamu sensor kusashanda uye maitiro ekutarisa. Pamusoro pekutarisa mamwe ma sensors (DMRV, IAC, TPS, nezvimwewo), yekumhanyisa sensor diagnostics inodiwa zvakare. Chikonzero ndechekuti kutadza kweimwe kana imwe sensor haizogara ichiperekedzwa ne "cheki injini" mwenje pane chiridzwa. Panyaya iyi, kuongorora kwakadzama kunodiwa.