Misa Mhepo Inoyerera Sensor (DFID)

Maitiro ekuyera injini mweya kuyerera. Zviratidzo zvikuru zveyakatyoka DFID yekubuda kwemhepo sensor uye maitiro ekuzviongorora

Mumotokari dzepamba, chikonzero chinowanzoitika chekushanyira chiteshi chevhisi inzwa yekuyerera kwemhepo. Ichi chigadziri chinowanzowanikwa pedyo nemhepo sefa uye chinokonzera huwandu hwemhepo inopinda mumagetsi. Nekuyera huwandu hwemhepo, sensor inoona kana paine matambudziko neinjini, uye zvakare inotarisisa kunaka kwekamuri yekupisa uye nzira yekupfumisa musanganiswa wemafuta. Izvi zvakakosha zvinhu zvinokanganisa kwete simba reinjini chete, asiwo kuchengetedza kwekushanda. Kazhinji DFID inova dambudziko guru mumotokari inokanganisa ruzivo rwekutyaira.

Vazhinji vatyairi vanobva kumhuri yeVAZ 2110 vaive nezvinetso nechikamu ichi. Nhasi varidzi vazhinji vemota idzi vanoziva kuongorora iyo DFID uye voita kuti ishande nemazvo kana kuitsiva neimwe nyowani. Kana iwe uine muchina wazvino uno, hazvikurudzirwe kutarisa uye kutsiva iyo sensor iwe pachako. Zvirinani kuita basa pane yakasarudzika chiteshi uye uwane garandi yemhando yepamusoro yezvisungo zvako.

Ndezvipi zviratidzo zvekutanga zveDFID?

Iyo MAF sensor haina kungoita zviyero chete asiwo inoongorora kuyerera kwemhepo kune injini. Iko mashandiro ezvose zvehunyanzvi zvikamu zveyuniti zvinodzorwa necomputer masystem, ayo kazhinji kazhinji anozvidzora otomatiki. Ichi ndicho chikonzero basa reDFID rakakosha kwazvo. Izvi zvinokanganisa mhando yeyuniti yemagetsi uye inoenderana nzira dzekushandisa. Aya akakosha madhiraivhira mumotokari anoita kuti sensor ikaputsa chinetso chaicho.

Huru hunhu hwekusagadzikana kweiyo sensor kunogona kutsanangurwa uchishandisa rondedzero yezviratidzo zvekusashanda zvakanaka. Asi zvakafanira kufunga nezve chokwadi chekuti mune zvimwe zviitiko hazvigone kuona mavambo ekusagadzikana zviratidzo. Dzimwe nguva zviri nyore kubhadhara kune yepamusoro-soro kuongororwa pane kutsvaga zvikonzero zvekusashanda zvakanaka iwe pachako. Hunhu hunhu hwekukundikana kweDFID hunosanganisira hunhu hunotevera:

• iyo Injini Yekutarisa pani yechiridzwa iripo, uye injini yekuongorora inodikanwa;
• peturu kunwa kunowedzera, nepo kuwedzera kwacho kungave kwakakura uye kusingafadzi;
• paunomira padyo nechitoro kwemaminetsi mashoma, kutanga mota inova dambudziko chairo;
• Masimba emotokari anoderera, kukurumidza kunonoka, uye nzira yekupomba pedal kusvika pasi haishande zvachose;
• Simba harinzwike kunyanya painjini inopisa, mune inotonhorera modhi haina kuchinja;
• matambudziko ese nekukanganisa kunoitika mumota chete mushure mekunge injini yadziya.

Dambudziko chairo nderekuti kune wakawandisa kana wakanyanya kushoma mweya, saka iyo powertrain haigoni kubata mafuta pasi pemamiriro akajairwa. Izvi zvinotungamira kuchokwadi chekuti zvakajairika mashandiro enjini akagadzirwa nemugadziri haachagone. Injini iri panzvimbo yakaoma mumamiriro ezvinhu akadaro. Zvakakoshawo kufunga nezvekuwedzera kwekushandisa kwemafuta uye nekuwedzera kusakara kwesimba remagetsi.

Mukuwedzera, kana mhepo inopisa mujini isina kupiwa nenzira yakarurama, kupisa kusina kukwana kwemafuta kunogona kuitika. Dambudziko iri ndiro dambudziko rakakomba rinogona kutungamirira kumigumisiro yakakomba. Kana iwe ukadira peturu isina kupiswa mu crankcase, iyo inosanganiswa nemafuta, kunaka kwemafuta kunoderera kakawanda. Izvi zvinotungamira kuwedzera kukweshana muinjini uye kupfeka kwakanyanya kwezvikamu.

Tarisa iyo DFID sensor iwe pachako - nzira shanu dzekugadzirisa dambudziko

Kana iwe uchifungidzira kuti iyo yekuyerera kwemhepo inoyerera sensor ndiyo ine mhosva kumatambudziko ako ese, zvakakodzera kuti utarise dzidziso yako uye uwane mhinduro chaiyo kumubvunzo. Kuti uite izvi, ingo mhanyisa kuongororwa uchishandisa imwe yenzira dziri pazasi. Asi usati wataura nezvenzira dzekuongorora dzekunzwa, heano makakatanwa mashoma anopesana nekuzviongorora-wega uye nekuchengetedza wega mota yako.

Vashandi vewekishopu vanozoita basa rese nekukasira uye pasina matambudziko, nekuti vanofanirwa kubata neDFID mazuva ese. Mune ako wega matambudziko ekuedza, iwe unoedza nemuchina uri panjodzi yako wega. Nekudaro, iyi nzira yekutambudza yakachipa kwazvo uye haidi rwendo kuenda kunzvimbo yebasa. Dzakakosha nzira dzekutarisa matambudziko neiyo DFID sensor:

• Dzingai sensor kubva kune inoendesa mhepo system, mune iyi kesi, komputa inoraira kuverenga huwandu hwemhepo zvichienderana nenzvimbo yevhavha muinjini. Kana, mushure mekudzima sensor, mota inotanga kutyaira zvirinani, asi ichiwedzera kumhanya, saka pane kusashanda zvakanaka kweDFID.
• Kuisazve firmware panguva yekuongorora kwema sensor. Iyi nzira inokutendera kuti uve nechokwadi chekuti matambudziko einjini haana hukama neiyo imwe ECU firmware iyo inogona kunge iri iyo yekutanga honzeri yematambudziko ako ese.
• Tarisa DFID nechiyero chekuyera chinonzi Multimer. Mamwe maseru sensors anogona kuongororwa nenzira iyi. Rumwe ruzivo nezve bvunzo runogona kuwanikwa mumirairo yemotokari kana yakananga kune yakasungirwa sensor.
• Kuongorora uye kuongorora kunoonekwa kwemamiriro eiyi sensor. Iyi yechinyakare yekuongorora system inogona kazhinji kuona dambudziko. Kana mukati meiyo DFID iine huruva, unogona kuitsiva nekuchengeteka uye nekunyatso tarisa chinzvimbo cheese maO-mhete.
• DFID sensor kutsiva Iyi nzira yakakukodzera kana iwe usiri kuda kuita diagnostics uye uchingoda kuisa sensor nyowani. Izvo zvakakwana kungoisa chinzvimbo icho uye kuona kuti dambudziko rakavanzwa mune iyo chaiyo node.

Idzi ndidzo nzira dziri nyore dzekuongorora yekuyerera kwemasaji sensor iyo ichakubatsira iwe kuona akakosha mapoinzi mukushanda kwechigadzirwa ichi. Ehe, munzvimbo yegaraji, zviri nyore kuita yekutanga uye yekupedzisira sarudzo yekuongorora uye kugadzirisa. Idzi ndidzo nzira dzechokwadi uye dzisinganetseki dzekuona hutano hwema sensors uye kudzora inodiwa injini inoshandisa modhi mumotokari isina mari hombe yemari.

Zvisinei, zviri nani kuongorora sensor kutadza kushandisa yakakosha michina. Ivo vane hunyanzvi mune hunyanzvi vanoziva izvo zviripo zviratidzo zvehurombo sensor node kuita. Kazhinji havatombodi kutanga kuongorora kuti vagadzirise dambudziko. Kunyangwe paine rondedzero yenzira dzekuzvisarudzira dzega matambudziko anogona, isu hatikurudzire kupindira kwakazvimirira muhurongwa hwekuita kwema sensor.

Mhedziso:

Mhinduro yakanaka kune chero chinetso chero chipi zvacho nemotokari rwendo kuenda kune yehunyanzvi sevhisi, kuongororwa kwehunyanzvi uye kutsiviwa kwezvipenga nezvakatanga kana izvo zvinokurudzirwa nemugadzi Asi izvi hazviwanzo zvakadaro. Dzimwe nguva zviri nyore uye zvakachipa kuita wega kuongororwa kwemuchina uchishandisa nzira dziri nyore uye dzinozivikanwa dzisingade michina yakakosha.

Kana iwe uchida kuyedza idzi nzira, iwe unogona kuyedza iyo yekuyerera yekuyerera sensor iwe pachako. Chinhu chega chinokanganisa kuita uku ndechekuti kumisikidza kwekuchengetedzwa kwema sensor kunenge kuchikanganisa mumwedzi mishoma inotevera. Naizvozvo, usati waiswa, verenga chitsauko chakakodzera mumirairidzo yemota, uye zvakare teerera kune chinodiwa chinzvimbo chemabhande ese ekuisa chisimbiso pachigadzirwa. Wakafanirwa kushandura yako DFID sensor iwe pachako?

Chii chinonzi MAF sensor uye chii chayo musimboti wekushanda uye basa?

Kubva kuchinyorwa iwe uchadzidza kuti ndechipi chiratidzo chikuru chekusashanda kweiyo mass air flow sensor. Asi usati watoita madhigirii ekuona, iwe unofanirwa kutaura zvishoma nezve rudzi rwechishandiso, chii chiri musimboti wekushanda, asi chinonyanya kukosha, teerera kuchengetedza nekugadzirisa.

Iyo inoyera mhepo inoyerera sensor inodikanwa kuti ishandiswe chaiko kweyemagetsi control unit. Aya masisitimu anongoshandiswa chete kujekiseni injini. Mune mamwe mazwi, idzi ndidzo dzakawanda dzemotokari dzemuno dzakagadzirwa mushure ma2000.

Ruzivo rwekutanga nezve iyo yekufema sensor

Yakapfupikiswa seDFID. Iyo inoshandiswa kuyera mweya wese unopinda mukusanganisa throttle. Iyo inotumira chiratidzo chayo yakananga kune yemagetsi control unit. Iyi MAF sensor inoiswa yakanangana padyo nemhepo firita. Kunyanya chaizvo, pakati payo uye gasi unit. Chigadzirwa chemudziyo uyu "chakapfava" zvekuti nerubatsiro rwayo zvinofanirwa kuyera chete mweya wakacheneswa.

Uye ikozvino zvishoma nezve kuti sensor iyi inoshanda sei. Injini yekupisa mukati inoshanda nenzira yekuti panguva imwe yekushanda inova yakakosha kupa peturu nemhepo kune imwe cylinder muchiyero chakasimba che 1 kusvika 14. Kana chiyero ichi chichichinja, kurasikirwa kukuru kwesimba rejini kuchaitika. Chete kana iwe ukatevedzera chikamu ichi injini ichashanda mune yakanaka maitiro.

Mass Mhepo Inoyerera Sensor Kubata Mabasa

Uye nerubatsiro rweDFID ndiyo mweya wese unopinda muinjini unoyerwa. Iyo inotanga kuverenga huwandu hwakazara hwemhepo, mushure meizvozvo ruzivo urwu runotumirwa manhamba kune iyo yemagetsi control unit. Iyo yekupedzisira, inoenderana neiyi data, inoverenga huwandu hwe peturu iyo inofanirwa kupihwa kuitira musanganiswa wakakodzera. Uye anozviita muchikamu chakakodzera. Mune ino kesi, iyo yekuyerera yemhepo sensor chaiko inopindura shanduko muinjini yekushandisa modhi. Chiratidzo chekusashanda MAF sensor ndeye mhinduro refu kana iyo yekumhanyisa (gasi) chitiviri ichimanikidzwa.

Semuenzaniso, iwe unotanga kudzvanya iyo yekumhanyisa peturu zvakanyanya. Panguva ino, mweya unoyerera mumatiroko emafuta unowedzera. DFID inoona shanduko iyi uye inotumira rairo kuECU. Iyo yekupedzisira, ichiongorora data yekuisa, ichivaenzanisa nemepu yemafuta, inosarudza yakajairwa peturu. Imwe nyaya ndeye kana iwe uchifamba zvakaenzana, i.e. pasina kumhanyisa uye braking. Ipapo mhepo shoma kwazvo inopedzwa. Naizvozvo, peturu inozopihwawo muhuwandu hushoma.

Maitiro panguva yekushanda kweinjini

Uye zvino zvishoma zvishoma nezvekuti maitiro ese aya anoitika sei mukati meinjini yekutsva yemoto. Pano, yekutanga fizikiki inokanganisa basa nenzira dzakawanda. Semuenzaniso, kana iwe ukadzvanya iyo yekuwedzera accelerator, iyo vharuvhu inovhura nekukurumidza. Iyo inowedzera kuvhura, iyo yakawanda mweya inotanga kuyamwa mukati meiyo peturu jekiseni system.

Naizvozvo, kana iwe ukadzvanya accelerator pedal, mutoro unowedzera, uye kana waburitswa, unoderera. Tinogona kutaura kuti DFID inotevera shanduko idzi. Zvakakosha kucherechedza kuti chiratidzo chikuru chekusashanda kwehuwandu hwemhepo inoyerera inonzwa kuderera kwemasimba emagetsi emotokari.

Dhizaini maficha

Iyo ndeimwe yemaseru anodhura kwazvo mukati meinjini inopisa yemagetsi manejimendi. Chikonzero cheizvi ndechekuti ine simbi inodhura, inonzi platinum. Hwaro hweiyo sensor ipurasitiki chubhu yehupamhi hwakatsanangurwa dhayamita. Iyo iri pakati peye firita uye kudzipwa. Iko kune yakatetepa platinamu waya mukati mebhokisi. Iyo dhayamita ingangoita 70 micrometer.

Ehezve, zvakaoma kwazvo kuyera mweya unopfuura. Mune injini yemagetsi inodzora system, kuyerwa kwemweya kunoenderana nehuremu hwekupisa. Platinum miviri iri pasi pekukurumidza kupisa. Iyo yakawanda sei tembiricha yayo inodonha kana ichienzaniswa neyakaiswa kukosha inosarudza huwandu hwemhepo inopfuura nemumuviri weiyo sensor. Tarisa paMAF sensor isina kushanda zviratidzo kuti uone kana zvakanaka.

MAF Sensor Chigadzirwa Kugadziriswa

Kana injini ichimhanya neyemagetsi control system, iyo sensor inosviba. Kuti uichenese, yakasarudzika algorithm yakaiswa mune yekudzvanya system. Iyo inokutendera iwe kupisa platinamu waya mune sekondi imwe chete kune tembiricha ingangoita chiuru chemadhigirii. Kana paine tsvina pamusoro pe waya iyi, dzinobva dzatsva pasina kana trace. Izvi zvinonatsa iyo MAF sensor. Zviratidzo zvekusashanda kweimwe dhizaini kana imwe zvichave zvakafanana.

Maitiro aya anoitwa pese painomiswa injini. DFID yakapusa mukugadzira uye yakavimbika zvakanyanya mukushanda. Zvisinei, hazvikurudzirwi kugadzirisa chigadzirwa pachako. Kana budiriro ikaitika, saka zvakanakisa kutendeukira kune vanokwanisa diagnosticians uye makanika.

Kukanganisa kweMaf Sensor Assembly

Ndokumbira utarise kuti kana sensor ikatadza, inonyanya kushanda kuitsiva neitsva. Haikwanisi kugadziriswa, iyo ndiyo inonyanya kukanganisa, sezvo mari yeimwe itsva dzimwe nguva inodarika $ 500. Asi pane imwe diki drawback - musimboti kushanda. Uku kusakanganiswa kune yese mass air flow sensor. Chinyorwa chinokurukura zviratidzo zvekushaya simba (dhiziri kana peturu).

Iyo inoyera huwandu hwemhepo iyo yapinda muvharopu vharuvhu. Asi kuti injini ishande, zvakakosha kuti uzive kwete vhoriyamu, asi huremu. Ehezve, iwe zvakare unofanirwa kuziva kuwanda kwemhepo kuti uite shanduko. Kune izvi, chiyero chekuyera chakaiswa mugomba rekutora mweya, padyo padyo nenzwi rekupisa.

Maitiro ekuwedzera hupenyu hwebasa

Edza kushandura firita yemhepo nenguva, sezvo DFID isingazokwanisa kushanda kwenguva yakareba kana mweya wakasviba ukapfuura napo. Kubhururuka tambo uye iyo yese yemukati nzvimbo inogona kuitwa uchishandisa yakakosha pfapfaidzo necarburetor. Edza kuita zvese zvakanyatsonaka, usabata izvo zvemweya. Zvikasadaro "tora" chinodhura chinotsiva chemhepo inoyerera sensor.

Inzwa yekumanikidza inowanzoiswa uye inoshandiswa kuongorora kuyerera kwemweya mudzimba dzemoto. Kuti uwedzere hupenyu hwebasa reDFID, zvinofanirwa kutsiva iyo firita yemhepo panguva yakakodzera uye kutarisisa kune silinda-pisitoni boka. Kunyanya, kupfeka kwakanyanyisa pamhete dzepiston kunokonzeresa iyo platinamu waya kuvezwa neoiri kabhoni. Izvi zvishoma nezvishoma zvinopwanya iyo sensor.

Tsaona huru

Iwe unofanirwa kuziva maitiro ekuona kukundikana kweiyo yekufema sensor. Injini yekupisa yemukati inogara ichichinja maitiro ayo ekushanda. Misiyano yakasiyana yemhepo / mafuta inodiwa zvichienderana nekumhanya uye mutoro. DFID inodikanwa kuti isanganise nenzira kwayo. Iyo dzimwe nguva inonzi kuyerera mita.

Sezvaunenge watoziva kare, izvi zvinokutendera kuti uone uye nekugadzirisa huremu hwemhepo inopinda petiroli jekiseni njanji yeiyo jekiseni system. Kana yako yemhepo inoyerera sensor iri kushanda mune yakanaka modhi, izvi zvinoona kuti injini iri kushanda nemazvo. Ndokumbira utarise kuti mudziyo wakadai haugone kugadziriswa kunyangwe iwe uine akawanda maturusi uye zvishongedzo.

Zviratidzo zvekukanganisa

Uye ikozvino zvishoma nezve izvo zviratidzo zvinoonekwa kana iyo sensor ikakundikana. Kazhinji, kana chinhu ichi chikakundikana, injini inotanga kuita zvisina basa, kumhanya kwayo kuri kuramba kuchichinja. Kana iwe uchimhanyisa, mota inotanga "kufunga" kwenguva yakareba, hapana zvachose simba. Kazhinji, injini inomhanya zvakare inoderera kana kuwedzera nekumhanyisa simbe. Uye kana uchifanira kudzima injini, zvakaoma zvikuru uye dzimwe nguva hazvigoneke. Naizvozvo zvakafanira kutsiva MAF sensor. Iyo yapfuura, zvikanganiso zvinorekodwa neECU, zvinotungamira mukukanganisa kweinjini.

Ndokumbira utarise kuti iyo sensor pachayo haina kusingaperi. Kutsemuka kudiki kana kucheka zvinowanzoonekwa mune corrugation iyo inobatanidza iyo sensor kune iyo throttle. Kana iwe ukangoerekana waona kuti iyo Injini Inotungamira mwenje unouya pane yekudhiraina uye zviratidzo zviri pamusoro zviripo, saka tinogona kutaura kuti yekuyerera sensor yave isingashande. Asi usavimba izvi chete. Zvinokurudzirwa kuita yakakwana kuongororwa kweinjini. Izvo zvakakosha kuti uzive kuti zviratidzo zveiyo MAF sensor kusashanda zvakangofanana zvakafanana neizvo zvinoitika, semuenzaniso, kana iyo TPS ikakundikana.

Iyi mass air flow sensor yakagadzirirwa kupa ruzivo pamusoro pehuwandu hwemhepo inopinda mumasilinda ejini inopisa mukati meECU. Zvishandiso izvi zvinowanzo kupatsanurwa mumhando dzinoverengeka - mechanical, film (hot wire uye diaphragm), pressure sensors. Rudzi rwekutanga runoonekwa sechinyakare uye haruwanzo shandiswa, nepo mamwe ese akajairika. Kune akati wandei masaini zviratidzo uye zvikonzero nei kuyerera mita kutadza zvachose kana zvishoma. Zvadaro tichavatarisa uye totaura nezve maitiro ekuongorora, kugadzirisa kana kutsiva flowmeter.

Chii chinonzi kuyerera mita

Sezvambotaurwa pamusoro apa, kuyerera kwemamitha kwakagadzirirwa kuratidza vhoriyamu uye kutonga kwemhepo inopedzwa neinjini. Asati aenderera nerondedzero yemusimboti webasa ravo, zvakafanira kumutsa mubvunzo wezvisikwa. Pakupedzisira zvinoenderana izvo uye nemabatiro azvinoita.

Mhando dzekuyerera mamita

Flowmeter chitarisiko

Yekutanga mamodheru aive echimakanika uye akaiswa pane anotevera mafuta jekiseni masisitimu:

• reactive yakaparadzirwa jekiseni;
• yakavakwa-mujekiseni remagetsi uye Motronic magetsi kuvesa;
• K-Jetronic;
• KE-Jetronic;
• Jetronic.

Mutumbi wemakanika inoyerera mita ine yekuvhundutsa yekumusoro kamuri, yekuyera damper, yekudzoka chitubu, yekunyorova yekuvhundutsa absorber, potentiometer, uye yekudarika (yekudarika) ine inogadziriswa inogadzirisa.

Pamusoro peamakanika kuyerera mamamita, pane aya anotevera marudzi emamwe mapamberi zvigadzirwa.

• zvinopisa;
• inopisa waya anemometer flowmeter;
• gobvu-rakakomberedzwa orifice flowmeter;
• Manifold mweya yekumanikidza sensor.

Flowmeter inoshanda musimboti

Mechanical scheme ye flowmeter. 1 - kupa voltage kubva kune yemagetsi control unit; 2 - inlet air tembiricha sensor; 3 - kugovera mhepo kubva kumhepo sefa; 4 - spiral spring; 5 - kuvhunduka-absorbing chamber; 6 - damping chamber ye shock absorber; 7 - kugovera mhepo kune throttle; 8 - air pressure valve; 9 - bypass chiteshi; 10 - potentiometer

Ngatitangei neyemakanika kuyerera mita, musimboti weiyo zvinoenderana nekureba kweiyo metering vharuvhu inofamba zvichienderana nevhoriyamu yemhepo inopfuura. Pane imwechete axis seyeyera damper, pane damper damper uye potentiometer (inogadziriswa voltage muparadzi). Iyo yekupedzisira inogadzirwa muchimiro chemagetsi wedunhu ine soldered resistor njanji. Mukuita kwekutendeuka vharuvhu, chinotsvedza chinofamba pamwe chete navo zvobva zvachinja kuramba. Saizvozvo, iyo voltage inopfuudzwa neiyo potentiometer inoyerwa zvinoenderana nemhinduro yakanaka uye inopfuudzwa kune yemagetsi control unit. Kugadzirisa mashandiro eiyo potentiometer, inlet mweya tembiricha sensor inosanganisirwa mudunhu rayo.

Nekudaro, mamakanika ekuyerera mamita ave kutorwa seasina basa sezvo ivo vakasimudzwa nevamwe vavo vemagetsi. Izvo hazvina zvinofamba zvemuchina zvikamu, nekudaro zvakavimbika, zvinopa mhedzisiro yakajeka uye mashandiro avo haabvi pane tembiricha yemhepo yekudya.

Rimwe zita remamita ekuyerera akadaro inzwa yekuyerera kwemhepo, iyo, iyo, zvakare, yakakamurwa kuva marudzi maviri zvichienderana ne sensor inoshandiswa:

• waya (MAF inopisa waya sensor);
• firimu (inopisa firimu kuyerera Switch, HFM).

Mhepo inoyerera mita ine kupisa chinhu (shinda). 1 - tembiricha sensor; 2 - sensor mhete ine wired heat element; 3 - rheostat yakarurama; Qm - kuyerera kwemhepo pachikamu chenguva

Rudzi rwekutanga rwechigadzirwa rwakavakirwa pakushandiswa kweplatinamu inopisa. Iyo magetsi wedunhu inogara ichichengeta iyo filament mune inopisa nyika (platinum yakasarudzwa nekuti simbi ine yakaderera kuramba, haina oxidize uye haina kukweretesa pachayo kune ine hukasha makemikari zvinhu). Dhizaini yacho inopa kuti mweya unopfuura unotonhora pamusoro payo. Iyo magetsi wedunhu ine yakashata mhinduro, iyo iyo kana iyo coil inotonhorera, yakawanda magetsi magetsi inoiswa kwariri kuti ichengetedze tembiricha yenguva dzose.

Dunhu racho rinewo mushanduri ane basa rekushandura kukosha kweiyo alternating ikozvino mune inogona kusiyana, i.e. voltage. Pane hukama husina mutsara weexponential pakati peiyo yakawanikwa voltage kukosha uye kushaikwa kwemhepo. Iyo chaiyo formula inorongwa muECU uye maererano nayo, inosarudza kuti yakawanda sei mweya inodiwa pane imwe nguva kana imwe.

Dhizaini yemamita inoratidza iyo inonzi yekuzvichenesa nzira. Muchiitiko ichi, iyo platinamu filament inodziyirwa kune tembiricha ye + 1000 ° C. Nekuda kwekudziya, akasiyana makemikari zvinhu, kusanganisira guruva, anopwa kubva pamusoro payo. Nekudaro, nekuda kweiyi kudziya, iyo tambo ukobvu inodzikira zvishoma nezvishoma. Izvi zvinotungamira, kutanga, kune zvikanganiso mukuverengwa kwema sensor, uye chechipiri, kune zvishoma nezvishoma kupfeka kwetambo yacho pachayo.

Kupisa waya anemometer mass flow meter sekita 1 - magetsi ekubatanidza pini, 2 - yekuyeresa chubhu kana mhepo sefa imba, 3 - calculation circuit (hybrid circuit), 4 - air inlet, 5 - sensor element, 6 - air outlet, 7 - bypass channel. , 8 - sensor body.

Mashandiro anoita mweya mweya

Zvino funga nezvekushanda kwemasensa ekuyerera kwemhepo. Iwo ndeemhando mbiri - ine inopisa waya anemometer uye yakavakirwa pane gobvu-yakavezwa diaphragm. Ngatitangei netsanangudzo yekutanga.

Uyu ndiwo mhedzisiro yekushanduka kwemamita emagetsi, asi pachinzvimbo chetambo, mune iyi kesi, silicon kristaro inoshandiswa sechinhu che sensor, pamusoro penzvimbo idzo dzinoverengeka dzeplatinamu dzinotengeswa, dzinoshandiswa sevanodzivisa. Zvikuru sei:

• hita;
• thermistors maviri;
• kunwa mweya tembiricha sensor resistor.

Icho chinhu chekunzwa chiri mune chiteshi kuburikidza nemhepo inoyerera. Iyo inogara ichipisa nekushandisa hita. Pane imwe nguva iri munzira, mweya unoshandura tembiricha yayo, iyo inonyorwa nema thermistors akaisirwa pamicheto miviri yedhaipi. Musiyano mukuverenga kwavo kumicheto miviri yedhayaphragm ndiwo mutsauko ungangoitika, i.e. voltage yenguva dzose (0 kusvika 5 V). Kazhinji kazhinji, ichi chiratidzo cheanalogog chinodhindwa muchimiro chemafungiro emagetsi anopfuudzwa akananga kukombuta yemotokari.

Nheyo yekuyera huwandu hwekuyerera kwemhepo-firimu inopisa-waya anemometer. 1 - tembiricha hunhu mukusavapo kwekuyerera kwemhepo; 2 - hunhu hwekushisa muhupo hwekuyerera kwemhepo; 3 - inonzwisisika chinhu che sensor; 4 - nzvimbo yekupisa; 5 - sensor diaphragm; 6 - sensor ine yekuyera chubhu; 7 - kubuda kwemhepo; M1, M2 - kuyerwa mapoinzi, T1, T2 - tembiricha kukosha pane kuyerwa nzvimbo M1 uye M2; ΔT - kusiyana kwekushisa

Kana iri mafirita erudzi rwechipiri, iwo anoenderana nekushandisa dhayidhi ine gobvu-rakakomberedzwa iri pane ceramic base. Inoshanda yayo sensor inoona shanduko mune yemhepo vacuum mune yekudyiwa yakawanda zvichienderana nekushanduka kweiyo membrane diaphragm. Nechakakosha kushomeka, inoenderana dome ine dhayamita ye3 ... 5 mm uye hurefu hweanosvika zana emamirioni anowanikwa. Mukati mune ma piezoelectric element anoshandura michina mitezo yemagetsi, inozoendeswa kuECU.

Nheyo yekushanda kwemhepo inonzwa sensor

Mumotokari dzemazuva ano dzine magetsi emagetsi, mweya wekumanikidza masensa anoshandiswa, ayo anoonekwa seanonyanya kusimukira kupfuura echinyakare kuyerera mamita anoshanda zvinoenderana nezvirongwa zvinotsanangurwa pamusoro. Iyo sensor iri munzvimbo dzakawanda uye inoona kumanikidza uye kutakura kweinjini, pamwe nehuwandu hwemagasi akadzokororwa. Kunyanya, yakabatana nekudyiwa kwakawanda uchishandisa pombi yekutsiva. Panguva yekushanda, chinhu chinogadzirwa chinowanikwa mune dzakawanda, icho chinoshanda pane iyo membrane membrane. Kune anonetsa gauges akananga pane iyo membrane, yemagetsi kuramba iyo inosiyana zvichienderana nechinzvimbo cheiyo membrane.

Iyo sensor operation algorithm inosanganisira kuenzanisa mhepo yemhepo uye membrane pressure. Iyo yakakura, iyo inowedzera kuramba uye, saka, iyo voltage inopiwa kune komputa inoshanduka. Iyo sensor inopihwa simba ne5 V DC, uye chiratidzo chekudzora ipuru ine inogara voltage kubva 1 kusvika 4,5 V (mune yekutanga kesi, injini iri kuita idling, uye mune yechipiri kesi, injini iri kushanda pakuremerwa kukuru) . Iyo komputa inoverengera zvakananga huwandu hwemhepo, kusanganisira zvichienderana nemhepo density, tembiricha yayo uye nhamba yekutenderera kwe crankshaft.

Nekuda kwekuti iyo yekuyerera kwemhepo inoyerera sensor chishandiso chakanyanya uye chinowanzokundikana, kutenderedza kutanga kwema2000, vagadziri vemotokari vakatanga kusiya mashandisiro avo vachida injini dzine mweya wekumanikidza mweya.

Air film flow mita. 1 - kuyera dunhu; 2 - diaphragm; kudzvinyirirwa mukamuri yereferensi - 3; 4 - kuyera zvinhu; 5 - ceramic substrate

Uchishandisa iyo yakawanikwa data, iyo yemagetsi control unit inogadzirisa inotevera parameter.

Kune epeturu injini:

• mafuta jekiseni nguva;
• huwandu hwayo;
• kuvesa kutanga nguva;
• peturu pombi yekudzosa system algorithm.

Kune injini dizeli:

• mafuta jekiseni nguva;
• algorithm yeiyo chiutsi gasi kudzokorodza system.

Sezvauri kuona, iyo sensor kifaa iri nyore, asi inoita yakati wandei mabasa akakosha pasina iko kushanda kwemukati injini dzemoto kwaisakwanisika. Zvino ngatipfuurire mberi kune izvo zviratidzo uye zvikonzero zvekukanganisa mune ino node.

Zviratidzo uye zvikonzero zvekukanganisa

Kana iyo mita yekuyerera ikakundikana, mutyairi anozoona imwe kana yakawanda yeanotevera mamiriro. Zvikuru sei:

• Injini haisi kuzotanga;
• kusagadzikana kushanda (kumhanya kumhanya) kweinjini nenzira isina basa, kusvika painomira;
• hunhu hwemotokari hwakaderedzwa (panguva yekumhanyisa, injini "inoputsika" kana iwe uchinge wadzvanya chinowedzera chekuwedzera);
• mafuta anokosha;
• pane dashboard dashboard.

Zviratidzo izvi zvinogona kukonzerwa nekumwe kusashanda zvakanaka kweinjini yezvinhu, asi pakati pezvimwe zvinhu, zvakakosha kutarisa mashandiro emamirita emhepo. Zvino ngatitarise zvikonzero zvezvikanganiso zvakatsanangurwa:

• Kukwegura kwechisikigo uye kutadza kwekunzwa. Izvi zvinonyanya kuitika kune mota dzekare dzine yekutanga kuyerera mita.
• Motokari inoremedza Yakashata ECU dhata inogona kuwanikwa nekuda kwekupisa kweiyo sensor uye nezvayo zvikamu zvacho. Izvi zvinokonzerwa nekuti nekupisa kwakanyanya kwesimbi, kushanduka kwayo kwemagetsi kunochinja, uye, nekudaro, iyo yakaverengerwa dhata pane huwandu hwemweya wakapfuura nepachinhu.
• Mechanical kukuvara kune kuyerera mita kunogona kuve mugumisiro wezviito zvakasiyana. Semuenzaniso, kukuvara kana uchitsiva firita yemhepo kana zvimwe zvinhu zviri padyo nayo, kukuvadza kune iyo nzira panguva yekumisikidza, nezvimwe.
• Mhute mukati mebhokisi, chikonzero chacho hachiwanzoitika, asi izvi zvinogona kuitika kana, nekuda kwechimwe chikonzero, yakawanda mvura inopinda muchikamu cheinjini. Naizvozvo, dunhu pfupi rinogona kuitika mudunhu re sensor.

Semutemo, inoyerera haigone kugadziriswa (kunze kwemasampuli esimbi) uye inofanirwa kutsiviwa kana yakanganisika. Neraki, chishandiso chakachipa, uye kubvarura uye kuita gungano hakudi nguva yakawanda nesimba. Zvisinei, usati waita chinotsiva, unofanirwa kuongorora iyo sensor uye kuyedza kuchenesa iyo sensor ne carburetor.

Maitiro ekutarisa mhepo inoyerera mita

Kuyerera kwemameter sisitimu yekuita iri nyore uye inogona kuitwa nenzira dzinoverengeka. Nyatsozvitarisa.

Kubvisa sensor

Nzira iri nyore ndeye kudzima flowmeter. Kuti uite izvi, injini yakadzimwa, bvisa tambo yemagetsi yakakodzera sensor (kazhinji tsvuku uye dema). Zvadaro tanga injini uye kutyaira. Kana iyo Cheki Injini yambiro mwenje ukauya mune chiridzwa dhizaini, iyo isingaite inomhanya inodarika 1500 rpm uye magetsi emotokari anovandudza, zvinoreva kuti yako ndiyo inonyanya kukanganisa. Zvisinei, tinokurudzira mamwe diagnostics.

Kuongorora ne scanner

Imwe nzira yekuongorora ndeye kushandisa yakakosha scanner kunetsa mota masisitimu. Parizvino, pane nhamba huru yezvigadzirwa zvakadaro. Mhando dzehunyanzvi dzinoshandiswa pazviteshi zvegesi kana nzvimbo dzebasa. Nekudaro, pane mhinduro yakapusa kune wepakati muridzi wemota.

Inosanganisira kuisa yakakosha software pane Android smartphone kana piritsi. Uchishandisa tambo uye adapta, iyo gadget yakabatana neECU yemotokari, uye chirongwa chiri pamusoro ichi chinokutendera iwe kuti uwane ruzivo nezve kodhi yekukanganisa. Kuzvitsanangura, iwe unofanirwa kushandisa mareferenzi mabhuku.

Adapter akakurumbira:

• K-Mutsetse 409,1;
• ELM327;
• OP COM.

Kana zvasvika pasoftware, varidzi vemota vanowanzo shandisa software inotevera:

• Torque Pro;
• OBD Auto Chiremba;
• ScanMaster Lite;
• BMWhat.

Iwo akanyanya kukanganisa makodhi ndeaya:

• P0100 - uwandu kana vhoriyamu kuyerera sensor redunhu;
• P0102 - yakaderera chiratidzo nhanho painopinza yemhepo inoyerera sensor circuit nehukuru kana vhoriyamu;
• P0103 - chiratidzo pamusoro pehupamhi hwekupinza kwepasi kana huwandu hwemhepo inoyerera ye sensor.

Uchishandisa iyo yakanyorwa Hardware uye software, iwe haugone chete kutsvaga yemhepo kuyerera mita kukanganisa, asi zvakare gadzira mamwe marongero eakaiswa sensor kana zvimwe zvikamu zvemota.

Kutarisa iyo mita ine multimeter

Tarisa DMRV ine multimeter

Zvakare nzira inozivikanwa yevanotyaira mota ndeyekutarisa kuyerera kwemameter ne multimeter. Sezvo DFID BOSCH iri inonyanya kufarirwa munyika medu, algorithm yekuongorora ichatsanangurwa nezvayo:

• Chinja iyo multimeter muDC voltage kuyera modhi. Gadza iyo yepamusoro muganho kuitira kuti chiridzwa chigone kuona ma voltages anosvika 2 V.
• Tanga injini yemotokari uye vhura kavha.
• Tsvaga kuyerera kwemamita zvakananga. Inowanzo kuve iri kana kuseri kwemhepo firita dzimba.
• Iyo tsvuku multimeter inofanirwa kubatanidzwa kune yero waya ye sensor, uye dema multimeter kune yakasvibira.

Kana iyo sensor iri mune yakanaka mamiriro, iyo voltage pane multimeter skrini haifanire kudarika 1,05 V.
Isu tichakupa tafura inoratidza kukosha kweiyo yakagashirwa magetsi uye mamiriro enzwa.

Kuongorora kwekuona uye kuchenesa kweye flowmeter

Kana iwe usina scanner kana software yakabatana kuti uone mamiriro eiyo MAF sensor, kuongororwa kunoonekwa kunofanirwa kuitwa kuti uwane kusashanda kweMaF. Ichokwadi ndechekuti mamiriro ezvinhu haana kujairika kana tsvina, mafuta kana zvimwe zvinwiwa zvetekinoroji zvichipinda mumuviri wake. Izvi zvinotungamira mukukanganisa kana uchiburitsa dhata kubva kuchigadzirwa.

Zvekutarisa kunoonekwa, danho rekutanga kubvarura mita. Imwe neimwe mota modhi inogona kunge iine yayo nuances, asi kazhinji, iyo algorithm ichave chimwe chakadai.

Dzima mota mota.

Shandisa chipanera (kazhinji kacho gumi) kuti ubvise hosipaipi yemhepo kuburikidza nemhepo inopinda mairi.
Dzinga tambo dzakanyorwa mundima yapfuura kubva pane iyo sensor.
Disassemble the sensor nokungwarira pasina kurasikirwa neO-ring.
Ipapo iwe unofanirwa kuitisa yekutarisa kuongorora. Kunyanya, iwe unofanirwa kuona kuti vese vanoonekwa vanofambidzana vari mune yakanaka mamiriro, kwete akatyoka kana oxidized. Uyezve tarisa guruva, marara uye gadziriso yemvura mukati mebhokisi uye zvakananga pane chinhu chekunzwa. Kuvapo kwavo kunogona kutungamira mukukanganisa mukuverenga.

Naizvozvo, kana kusvibiswa uku kukawanikwa, zvinodikanwa kuchenesa bhokisi uye chinhu chekunzwa. Kune izvi, zvakanakisa kushandisa mweya compressor uye mamvemve (kunze kwemamita ekuyerera kwefirimu, haigone kucheneswa kana kupepetwa nemhepo yakamanikidzwa).

Tevera nzira yekuchenesa zvakanyatsonaka

kuitira kuti isakanganisa zvikamu zvayo zvemukati, kunyanya shinda.

Iko kune kumwe kusarongeka kweiyo yakawanda mweya inoyerera sensor. Semuenzaniso, kana zvese zvikave zvakarongeka nemuchina wacho pachawo, waya yakakomberedzwa inoibatanidza iyo pane-bhodhi komputa inogona kushomeka. Nekuda kweizvozvo, chiratidzo chinotumirwa kune processor nekunonoka, zvinozokanganisa mashandiro emota. Kuti uone kuti inoshanda, unofanirwa kuridza waya.

Mhedzisiro

Chekupedzisira, isu tichazopa mamwe matipi ekuti ungawedzere sei hupenyu hwebasa remhepo inoyerera mita. Kutanga, chinja firita yemhepo nguva dzose. Zvikasadaro, iyo sensor inopisa uye ichipa zvisiri izvo data. Chechipiri, usanyanya kupisa injini uye uve nechokwadi chekuti inotonhora iri kushanda nemazvo. Chechitatu, kana uchichenesa mita, tevera maitiro aya nokungwarira. Nehurombo, mazhinji emazuva ano maseru ekuyerera emhepo haakwanise kugadziriswa, saka, kana akakundikana zvachose kana zvishoma, zvinodikanwa kuti utsive zvakakodzera.

Mibvunzo nemhinduro:

Yakawanda sei iyo MAF sensor inofanirwa kuverenga? Motokari 1.5 - kushandiswa 9.5-10 kg / h (isina basa), 19-21 kg / h (2000 rpm). Kune mamwe mota, chiratidzo chakasiyana (zvichienderana nehuwandu uye nhamba yevhavha).

Chii chinoitika kana sensor yemhepo isingashande? Idling icharasikirwa nekugadzikana, kutsetseka kwemotokari kuchakanganiswa, kutanga injini yekupisa mukati ichave yakaoma kana isingagoneki. Kurasikirwa kwemagetsi emotokari.