Mashandiro anoita MPI Multiport Fuel Injection System

Iko hakuna system mumota isingadiwe. Asi kana isu tine mamiriro ekuzvimisikidza kuva makuru uye echipiri, ipapo chikamu chekutanga chinosanganisira mafuta, kuvesa, kutonhora, mafuta. Injini yega yega yemukati yekupisa ichave neimwe kana imwe shanduko yeaya akanyorwa masisitimu.

Chokwadi, kana tikataura nezve kuvesa sisitimu (nezve chimiro chayo uye nemabatiro ekushanda kwainayo, zvinonzi pano), ipapo chete injini yepeturu kana analogue iyo inokwanisa kumhanya pane gasi inoigamuchira. Injini yedhiziri haina ino system, asi kuvesa mweya / musanganiswa wemafuta kwakafanana. IEU inogadza iyo nguva apo maitiro aya anoda kuitwa. Musiyano chete ndewekuti pachinzvimbo chekupinza, chikamu chemafuta chinodyiswa musilinda. Kubva pakakwirira tembiricha yemhepo yakamanikidzwa zvakanyanya mu humburumbira, mafuta edhiziri anotanga kupisa.

Iyo peturu sisitimu inogona kuva neyese mono jekiseni (nzira yekunongedza peturu kupopera) uye kugovera jekiseni. Tsanangudzo pamusoro pemusiyano uripo pakati pekushandurwa uku, pamwe nezvimwe zvakafanana zvejekiseni zvinotsanangurwa mune imwe wongororo... Iye zvino tichaisa pfungwa pane chimwe chinowanzoitika zviitiko, izvo zvinogamuchirwa kwete chete nemabhajeti mota, asiwo nemhando dzakawanda dzechikamu chekutanga, pamwe nemitambo yemitambo inomhanya peturu (injini yedhiziri inoshandisa chete jekiseni rakananga).

Iyi jekiseni yemapoinzi kana MPI system. Tichakurukura nezvekushandurwa kwechigadzirwa, ndeupi musiyano pakati payo uye jekiseni yakananga, pamwe nezvakanaka nezvayakaipira.

Iwo musimboti weiyo MPI system

Usati wanzwisisa terminology uye musimboti wekushanda, zvinofanirwa kujekeswa kuti iyo MPI system inoisirwa chete pane iyo injector. Naizvozvo, avo vari kufunga nezve mukana wekusimudzira yavo carburetor ICE vanofanirwa kufunga nezvekushandisa dzimwe nzira dzekugadzirisa garaji.

Mumusika weEuropean, mamodheru emota ane MPI mamaki pane powertrain zvakajairika. Ichi chidimbu chejekiseni-jekiseni kana jekiseni remafuta akawanda.

Yekutanga injector yakatsiva kabureti, nekuda kwekuti kudzora kwekuwedzera kwemhepo-mafuta musanganiswa uye mhando yekuzadza masilinda haichaitwe nemishini yekushandisa, asi nemagetsi. Kuunzwa kwemidziyo yemagetsi kunonyanya kukonzerwa nekuti michina michina ine zvimwe zviyero maererano nemaitiro ekugadzirisa zvakanaka.

Zvemagetsi zvinosangana neiri basa zvakanyanya zvakanyanya. Uyezve, sevhisi yemota dzakadai haina kunyanyoitika, uye muzviitiko zvakawanda zvinosvika pakutsvaga kwemakomputa uye kugadzirisa zvakare zvikanganiso zvakaonekwa (maitiro aya anotsanangurwa zvakadzama. pano).

Zvino ngatitarisei musimboti wekushanda, zvinoenderana nemafuta api anosaswa kuita VTC Kusiyana nemono jekiseni (inofungidzirwa sekushanduka-shanduka kwecarburetor), iyo yakaparadzaniswa sisitimu inoshongedzerwa neyaibhu yega yega humburumbira. Nhasi, chimwe chirongwa chinoshanda chinofananidzwa nacho - yakanangana jekiseni repeturu yemagetsi injini dzemoto (hapana imwe nzira mumadhigirii edhiziri - mukati mavo mafuta edhiziri anosaswa akananga musirinda pakupera kwekumanikidza).

Nekushanda kweiyo mafuta system, iyo yemagetsi control unit inounganidza data kubva kune akawanda maseru (yavo nhamba inoenderana nerudzi rwemotokari). Iyo yakakosha sensor, isina iyo isina yemazuva ano mota ichashanda, ndiyo crankshaft nzvimbo sensor (inotsanangurwa zvakadzama mune imwe ongororo).

Mune yakadaro system, mafuta anopihwa kune iyo injector pasi pekumanikidza. Kupfapfaidza kunoitika mune yakawanda yekudyira (kune rumwe ruzivo nezve iyo yekudyira system, verenga pano) senge necarburetor. Kugovaniswa chete uye kusanganiswa kwemafuta nemhepo kunoitika padhuze nemavharuvhu ekugashira mashandiro egasi.

Kana imwe sensor ikatadza, imwe emergency emergency mode algorithm inogoneswa muchikamu chekutonga (icho chinoenderana neyakavhunika sensor). Panguva imwecheteyo, iyo Check Injini meseji kana iyo injini icon inovhenekera padheshibhodhi yemotokari.

Multipoint jekiseni system dhizaini

Iko kushanda kwe multiport multipoint jekiseni kwakabatana zvisingaite nekupihwa kwemhepo, sekune mamwe mafirita masisitimu. Chikonzero ndechekuti peturu inosanganiswa nemhepo mune yekudyira turakiti, uye kuti irege kugadzikana pamadziro epombi, zvemagetsi zvinotarisa chinzvimbo chevharuvhu, uye zvinoenderana neyero yekuyerera, injector inobairira jekiseni huwandu hwemafuta.

Iyo MPI mafuta system kudhirowa ichave iine:

• Muviri wekubvunda;
• Fuel njanji (mutsetse unoita kuti zvikwanise kugovera peturu kune majekiseni);
• Injectors (nhamba yavo yakafanana nenhamba yemasilindini mukugadzirwa kweinjini);
• Switch DMRV;
• Peturu kumanikidza regulator.

Zvese zvinhu zvinoshanda maererano nechirongwa chinotevera. Kana iyo vharuvhu yekudyura ichivhura, iyo pisitoni inoita sitiroko yekudyiwa (inoenda kunzvimbo yepasi yakafa). Nekuda kweizvi, muvharo unogadzirwa mu humburumbira mhango, uye mweya unoyamwa kubva pane yakawanda yekudyira. Kuyerera kunofamba nepasefa, uyezve inopfuura padyo nehukuru hwemhepo kuyerera sensor uye kuburikidza neiyo throttle mhango (kuti uwane rumwe ruzivo nezve basa rayo, ona mune imwe chinyorwa).

Kuti dunhu remotokari rishande, peturu inopinzwa mukuyerera ichienderana neichi chiitiko. Iyo kamwene yakagadzirirwa nenzira yekuti chikamu chinosaswa mumhute, iyo inovimbisa kugadzirira kwakanyanya kweBTC. Izvo zvirinani iyo mafuta inosanganiswa nemhepo, iwo unowedzera kushanda mushe uchave, pamwe nekudzikisira kushushikana pane iyo yekuzadza system, chinhu chakakosha icho chiri chinogadzirisa chinoshandura (nekuti nei mota dzese dzemazuva ano dzakashongedzerwa nayo, verenga pano).

Kana madonhwe madiki epeturu apinda munzvimbo inopisa, anoputika semhepo zvakanyanya uye osanganisa zvakanyanya nemhepo. Mhute inotsva nekukurumidza zvakanyanya, zvinoreva kuti chiutsi chine zvinhu zvishoma zvine chepfu.

Majekiseni ese anotyairwa nemagetsi. Izvo zvakabatana netambo kuburikidza iyo peturu inopihwa pasi pekumanikidza kukuru. Ramp muchirongwa ichi inodikanwa kuitira kuti imwe huwandu hwemafuta huunganidzike mudumbu rayo. Kutenda kune iyi margin, zviito zvakasiyana zvemabhureki zvinopihwa, zvichibva pane zvinogara zvichingoperera neakawanda masenduru. Zvichienderana nerudzi rwemotokari, mainjiniya anokwanisa kuitisa mhando dzakasiyana dzekutakurwa kwemafuta kune yega yega yekushandisa kutenderera kweinjini.

Saka kuti mukuita kwekugara uchishanda kwepombi peturu, kumanikidza kuri mumutsara hakupfuure yakatarwa paramende inobvumidzwa, pane yekumanikidza yekugadzirisa mune ino ramp mudziyo. Mashandiro ayo, pamwe nezvinhu zvayinosanganisira, verenga zvakasiyana... Mafuta akawandisa anoburitswa kuburikidza nemutsara wekudzokera kutangi gasi. Saizvozvowo musimboti wekushandisa une CommonRail mafuta system, inoiswa pane mazhinji emazuva ano dhiziri zvikamu (zvinotsanangurwa zvakadzama pano).

Peturu inopinda muchitima nepombi yemafuta, uye ipapo inosvotwa nemusefa kubva mutangi yegasi. Iyo yakaparadzirwa jekiseni mhando ine yakakosha ficha. Iyo bhuti atomizer yakaiswa padyo padyo sezvinobvira kune magedhi mavharuvhu.

Hapana mota ichashanda isina XX inogadzirisa. Chinhu ichi chakaiswa muhuwandu hwevharuvhu yekudonha. Mumhando dzakasiyana dzemotokari, dhizaini yechigadzirwa ichi inogona kusiyana. Chaizvoizvo idiki batira ine mota yemagetsi. Iyo yakabatana nekupfuura kwenzira yekudyiwa. Iyo shoma mweya inofanirwa kupihwa kana iyo throttle yakavharwa kudzivirira iyo injini kubva mukumira. Iyo microcircuit yeanodzora yuniti inogadziriswa kuitira kuti zvemagetsi vakwanise kuzvimiririra vega injini kumhanya, zvichienderana nemamiriro ezvinhu. Inotonhora uye inodziya unit inoda chikamu chayo chemhepo-mafuta musanganiswa, saka zvemagetsi zvinogadzirisa zvakasiyana rpm XX.

Seimwe mudziyo wekuwedzera, peturu yekushandisa inowedzerwa mumotokari dzakawanda. Chinhu ichi chinotumira mafungiro kukomputa yerwendo (paavhareji, pane angangoita zviuru gumi nezvitanhatu zvemasaiti akadaro paita). Ruzivo urwu haruna kunyatsoita sezvazvinogona, sezvarwunoonekwa pahwaro hwekugadzirisa iyo nguva uye nguva yekupindura kwema sprayer. Kubhadhara kukanganisa kwekuverenga, software inoshandisa empirical measurement factor. Nekuda kweiyi data, avhareji yekushandisa peturu inoratidzwa pane-pane-bhodhi komputa screen mumotokari, uye mune mamwe mamodheru zvinotariswa kuti ingani mota ichafamba mune yazvino maitiro. Iyi data inobatsira mutyairi kuronga nguva pakati pekuzadza mota.

Imwe sisitimu inosanganiswa nekushanda kweiyo injector ndiyo adsorber. Verenga zvimwe nezvazvo zvakasiyana... Muchidimbu, zvinokutendera kuti uchengetedze kumanikidza mutangi yegasi padanho remhepo, uye mhute yepeturu inopiswa mumasirinda panguva yekushanda kwesimba remagetsi.

MPI inoshanda modes

Yakaparadzirwa jekiseni inogona kushanda nenzira dzakasiyana. Izvo zvese zvinoenderana nesoftware iyo yakaiswa mu microprocessor yeanodzora yuniti, pamwe nekugadziriswa kwemajekiseni. Mhando yega yega peturu yekumwaya ine hunhu hwayo hwebasa. Muchidimbu, basa reumwe neumwe wavo rinovira kune anotevera:

• Panguva imwe chete jekiseni muoti. Rudzi urwu rwejekiseni haruna kushandiswa kwenguva yakareba. Nheyo yacho ndeyotevera. Iyo microprocessor yakagadzirirwa kuti panguva imwe chete isase peturu mumagetsi ese panguva imwe chete. Iyo sisitimu inogadzirirwa kuitira kuti pakutanga kwekutora sitiroko mune imwe yemasirinda, iyo injekisheni inobairira mafuta mune ese mapayipi akawanda ekudyira. Iko kusakosha kwechirongwa ichi ndechekuti iyo 4-sitiroko mota ichashanda kubva kune yakateedzana actuation yemasirinda. Kana imwe pisitoni yapedza kurova sitiroko, imwe nzira (kumanikidza, kurova uye kupera) inoshanda mune dzasara, saka mafuta anodiwa chete kune bhaira rimwe chete kune ese enjini kutenderera. Iyo yakasara peturu yaingova mune yekudyiwa yakawanda kusvika iyo inoenderana vharuvhu yakavhurwa. Iyi sisitimu yakashandiswa mukati me70s uye 80s yezana ramakore rapfuura. Mumazuva iwayo, peturu yaive yakachipa, saka vanhu vashoma kwazvo vaishushikana nezvekuwandisa kwayo. Zvakare, nekuda kwekuwedzeredza kwakanyanya, musanganiswa wacho waigara usingatsve zvakanaka, uye nekudaro huwandu hwakawanda hwezvinhu zvinokuvadza hwakaburitswa mudenga.
• Pairwise modhi. Mune ino kesi, mainjiniya aderedza kushandiswa kwemafuta nekudzora huwandu hwesirinda iyo panguva imwe chete inogamuchira chikamu chinodiwa peturu. Kutenda nekuvandudzwa uku, zvakazoitika kuti kudzikise kusvibiswa kunokanganisa, pamwe nekushandisa peturu.
• Sequential modhi kana kugoverwa kwemafuta muzvikamu zvenguva. Pamota dzemazuva ano dzinogashira mhando yemafuta, chirongwa ichi chinoshandiswa. Mune ino kesi, iyo yemagetsi control unit inodzora yega yega injector zvakasiyana. Kuita kuti mwenje weBTC unyatsoshanda sezvinobvira, zvigadzirwa zvemagetsi zvinopa kumberi kwejekiseni pamberi pevhavha yekudyiwa isati yavhurwa. Kutenda neizvi, musanganiswa wakagadzirwa-wakagadzirwa nemhepo uye mafuta unopinda muhombodo. Kupfapfaidza kunoitwa kuburikidza neburi rimwe chete pairi yakazara mota kutenderera. Mune mana-humburumbira yemukati injini yekutsva, iyo peturu sisitimu inoshanda zvakafanana kune yekuvesa system, kazhinji mune 1/3/4/2 kuteedzana.

Iyo yekupedzisira sisitimu yakazvimisikidza pachayo sehunhu hwakapfuma, pamwe nehukama hwepamusoro hwezvakatipoteredza. Nechikonzero ichi, kugadziridzwa kwakasiyana-siyana kuri kuvandudzwa kujekesa peturu jekiseni, ayo anoenderana nemisimboti yekushandisirwa zvikamu zvishoma

Bosch ndiye anotungamira anogadzira emafuta ejekiseni masisitimu. Chigadzirwa chigadzirwa chinosanganisira matatu marudzi emotokari:

1. K-Jetronic... Iyo michina system inogovera peturu kumabhuru. Inoshanda ichienderera mberi. Mumotokari dzakaburitswa ne BMW hanya, mota dzakadai dzaive nechidimbu MFI.
2. KU-Jetronic... Iyi sisitimu ndeyekushandurwa kweiyo yapfuura, chete maitiro acho anodzorwa zvemagetsi.
3. L-Jetronic... Iyi nongedzo yakagadzirirwa mdp-majekiseni ayo anopa simba rekusimudzira mafuta pane yakatarwa kumanikidza. Iko kusarudzika kwekushandurwa uku ndekwekuti mashandiro emuromo wega wega anogadziriswa zvichienderana nezvimiro zvakaiswa muECU.

Multipoint jekiseni bvunzo

Kutyorwa kwechirongwa chekupa peturu kunoitika nekuda kwekutadza kwechimwe chezvinhu. Heano zviratidzo zvinogona kushandiswa kuona kusashanda kwejekiseni system:

1. Injini inotanga nekuoma kukuru. Mune mamwe mamiriro akaomarara, injini haizotanga zvachose.
2. Kusagadzikana kushanda kwesimba remagetsi, kunyanya kusina basa.

Izvo zvinofanirwa kucherechedzwa kuti aya "zviratidzo" haana kunangana nejekiseni. Matambudziko akafanana anoitika kana paine malfunctions neiyo kupisa system. Kazhinji, kuongororwa kwemakomputa kunobatsira mumamiriro ezvinhu akadaro. Maitiro aya anotendera iwe kuti uone nekukurumidza sosi yekusaita basa kuri kuita kuti jekiseni remultipoint rishande.

Muzviitiko zvakawanda, nyanzvi inongobvisa zvikanganiso izvo zvinodzivirira iyo yuniti yekugadzirisa kubva mukugadzirisa nenzira kwayo kushanda kwesimba remagetsi. Kana kuongororwa kwemakomputa kwakaratidza kuparara kana kushanda kusiri iko kwekupfapfaidza nzira, usati watanga kutsvaga chinhu chakakundikana, zvinodikanwa kubvisa kumanikidza kwakanyanya mumutsara. Kuti uite izvi, zvakaringana kudonhedza iyo yakaipa terminal yebhatiri, uye kusunungura iyo inosunga nut mumutsara.

Pane imwe nzira yekudzikisa musoro mumutsara. Nokuda kweizvi, fuse yepombi yemafuta yakabviswa. Ipapo mota inotanga kumhanya kusvika yamira. Muchiitiko ichi, iyo unit pachayo ichagadzirisa kumanikidzwa kwemafuta mune njanji. Pakupera kwemaitiro, iyo fiyuzi yakaiswa munzvimbo yayo.

Iyo system pachayo inoedzwa mune inotevera kuteedzana:

1. Kutaridzika kwekutarisa kweiyo wiring yemagetsi kunoitwa - hapana oxidation pane vanobata kana kukuvara kune yekuvhara waya. Nekuda kwekukanganisa kwakadaro, simba rinogona kusapihwa kune vanogadzira, uye sisitimu inomira kushanda kana kusagadzikana.
2. Mamiriro eiyo mhepo firita inoita basa rakakosha mukushanda kweiyo mafuta system, saka zvakakosha kuti utarise.
3. Spark plugs anoongororwa. Nesosi pane ma electrode avo, unogona kuona matambudziko akavanzika (verenga zvakawanda nezve izvi zvakasiyana) masisitimu panotsamira kushanda kwesimba remagetsi.
4. Kumanikidza mumasirinda kunoongororwa. Kunyangwe kana iyo peturu sisitimu yakanaka, injini ichave isina kusimba pakudzvinyirira kwakaderera. Iyo paramende inoongororwa sei akaparadzanisa ongororo.
5. Mukufananidza neyekuongorora mota, zvakafanira kutarisa kuvesa, ndiko kuti, kana iyo UOZ yakanyatsoiswa.

Mushure mekunge matambudziko ejekiseni abviswa, unofanirwa kuigadzirisa. Aya ndiwo maitiro anoitwa.

Multipoint jekiseni kugadzirisa

Usati watarisa chirevo chekugadzirisa jekiseni, zvakakodzera kufunga kuti nadzurudzo yega yega yemotokari ine zvinyoronyoro zvebasa. Naizvozvo, iyo system inogona kugadziridzwa nenzira dzakasiyana. Aya ndiwo maratidziro anoitwa shanduko yakajairika.

Bosch L3.1, MP3.1

Usati waenderera nekumisikidza sisitimu yakadaro, unofanirwa:

1. Tarisa uone kuve nemamiriro. Kana zvichidikanwa, zvikamu zvakasakara zvinotsiviwa nezvitsva;
2. Ita shuwa kuti iyo throttle iri kushanda nemazvo;
3. Sefa yemhepo yakachena inoiswa;
4. Iyo mota irikudziya (kudzamara fan yatendeuka).

Kutanga, iyo yekumhanyisa yekumhanyisa inogadziriswa. Kune izvi, kune yakakosha yekugadzirisa sikuru pane iyo throttle. Kana iwe ukaichinjisa nenzira yewatch (yakamonyaniswa), ipapo chiratidzo chinomhanya XX chinoderera. Zvikasadaro, ichawedzera.

Zvinoenderana nezvakataurwa nemugadziri, sisitimu inoiswa pahunhu hwehunhu. Tevere, iyo plug inobviswa kubva kumhepo yekugadzirisa inogadziridza sikuru. Nokushandura chinhu ichi, kuumbwa kweBTC kunogadziriswa, iyo inoratidzwa neanopedza gasi analyzer.

Bosch ML4.1

Mune ino kesi, idle haina kusetwa. Panzvimbo iyoyo, chishandiso chakataurwa muongororo yapfuura chakabatana nehurongwa. Zvinoenderana nemamiriro ekudzimisa gasi, iyo yakawanda-poindi oparesheni oparesheni inogadziriswa uchishandisa iyo yekugadzirisa sikuru. Kana ruoko ruchichinjisa sikuru kurira kuenda iko, iko iko CO kunowedzera. Kana kutendeukira kune rimwe divi, chiratidzo ichi chinoderera.

Bosch LU 2 Jetronic

Sisitimu yakadaro inodzorwa kumhanya kweXX nenzira imwecheteyo sekutanga kushandurwa. Iyo yekusanganisa yekuvandudza marongero inoitwa uchishandisa maalgorithms akadzika mune iyo microprocessor yeanodzora unit. Iyi paramende inogadziridzwa zvinoenderana nemapulse eiyo lambda probe (kuti uwane rumwe ruzivo nezve chishandiso uye nheyo yayo yekushanda, verenga zvakasiyana).

Bosch Motronic M1.3

Iyo yekumhanyisa simbe mune yakadaro sisitimu inodzorwa chete kana gasi rekuparadzira mashandiro riine mavharuvhu masere (8 yeinopinda, 4 yekubuda). Mune 4-vharuvhu mavharuvhu, XX inogadziriswa neyemagetsi control unit.

Iyo 8-vharuvhu inotungamirwa nenzira imwecheteyo seyakagadziridzwa yapfuura:

1. XX inogadziriswa ne screw pane throttle;
2. Iyo CO analyzer yakabatana;
3. Nerubatsiro rwekugadzirisa sikuru, kuumbwa kweBTC kunochinjika.

Dzimwe mota dzakashongedzerwa nehurongwa hwakadai se:

• MM8R;
• Bosch Motronic5.1;
• Bosch Motronic3.2;
• Sagem-Ruka 4GJ.

Muzviitiko izvi, hazvizokwanisika kugadzirisa kana iyo yekumhanyisa kumhanya kana kuumbwa kwemhepo-mafuta musanganiswa. Mugadziri weshanduro dzakadai haana kufanoona mukana uyu. Basa rese rinofanirwa kuitwa neECU. Kana zvemagetsi zvakatadza kugadzirisa oparesheni yejekiseni nenzira kwayo, saka pane zvimwe zvikanganiso zvehurongwa kana kuparara. Vanogona chete kuzivikanwa kuburikidza nekuongororwa. Mumamiriro ezvinhu akaomesesa, mashandiro asiri iwo emota anokonzerwa nekuparara kwechikamu chekutonga.

Musiyano weMPI system

Vakwikwidzi veinjini dzeMPI ndidzo shanduko dzakadai seFSI (dzakagadziriswa nehanya zvakasununguka). Vakasiyana chete panzvimbo mafuta atomization. Muchiitiko chekutanga, jekiseni rinoitwa pamberi pevhavha panguva iyo iyo pisitoni yeimwe humburumbira inotanga kuita sitiroko yekudya. Iyo atomizer yakaiswa mupombi yebazi inoenda kune yakasarudzika humburumbira. Iyo yemhepo-mafuta musanganiswa inogadzirirwa munzvimbo dzakasiyana siyana. Kana mutyairi achimanikidza peturu, iyo vharuvhu yekuvhura inovhura zvinoenderana nekuedza.

Pangosvika iko kuyerera kwemhepo kunosvika munzvimbo yekuita kweatomizer, peturu inojowa. Iwe unogona kuverenga zvakawanda nezve chishandiso chemagetsi emagetsi majekiseni. pano... Chigadziko chechigadzirwa chinoitwa kuitira kuti chikamu chepeturu chigovaniswe muzvikamu zvidiki, izvo zvinovandudza musanganiswa wekuumbwa. Kana vharuvhu yekudyiwa yakavhurwa, chikamu cheBTC chinopinda musilinda inoshanda.

Muchiitiko chechipiri, injekisheni yega yega inovimbwa nesirinda yega yega, inoiswa mumusoro wesirinda padivi pemapulagi. Mukurongeka uku, peturu inosaswa zvinoenderana nemutemo wakafanana nedhiziri mune injini yedhiziri. Iko chete kuvesa kweVTS kunoitika kwete nekuda kwekupisa kwakanyanya kwemhepo yakamanikidzwa, asi kubva pakuburitswa kwemagetsi kwakaumbwa pakati pemagetsi emagetsi eparaki.

FSI injini

Iko kunowanzo kuve nekukakavadzana pakati pevaridzi vemotokari umo kugoverwa uye yakanangana jekiseni injini yakaiswa pamusoro pechinhu chipi chakanakisa. Panguva imwecheteyo, mumwe nemumwe wavo anopa zvikonzero zvake. Semuenzaniso, vatsigiri veMPI vanozendamira kune yakadaro sisitimu nekuti zviri nyore uye zvakachipa kuchengetedza uye kugadzirisa kupfuura yake FSI-mhando shamwari.

Direct jekiseni inodhura kugadzirisa, uye kune vashoma vanokwanisa nyanzvi dzinogona kuita basa padanho rehunyanzvi. Iyi sisitimu inoshandiswa neiyo turbocharger, uye maMPI injini anongova emuchadenga.

Kubatsira uye Kukanganisa kweMultipoint Jekiseni

Izvo zvakanakira nekuipira kweiyo multipoint jekiseni inogona kukurukurwa pasi pechirevo chekuenzanisa ino sisitimu yakanangana nemafuta kumasirinda.

Zvakanakira jekiseni rakagoverwa zvinosanganisira:

• Kuchengetedza kwakakosha mupeturu kana ichienzaniswa nesisitimu ino, mono jekiseni kana kabhureta. Zvakare, mota iyi inosangana nemamiriro ezvakatipoteredza, nekuti mhando yeMTC yakanyanya kukwirira.
• Nekuda kwekuwanikwa kwezvipenga zvikamu uye huwandu hukuru hwevanyanzvi vanonzwisisa kuomarara kweiyo system, kugadziriswa kwayo uye kugadzirisa kunodhura kumuridzi pane kune avo vari muridzi anofara wemota ine jekiseni rakananga.
• Rudzi rwemafuta aya rwakatsiga uye rwakavimbika zvakanyanya, chero mutyairi asingateerere kurudziro yekugadzirisa maitiro.
• Yakagoverwa jekiseni haina kudzvinyirira pahunhu hwemhando pane iyo nzira yeakananga peturu kuendesa kune iyo masirinda.
• Kana VTS ikaumba mune yekudyira turakiti uye ichipfuura nemumusoro wevhavha, chikamu ichi chinogadziriswa nepeturu uye nekucheneswa, kuitira kuti mari isazoungane pane vharafu, sezvazvinowanzoitika mune yemukati moto injini ine yakananga musanganiswa kugovera.

Kana isu tikataura nezvekukanganisa kwesisitimu ino, saka mazhinji acho anoenderana nekunyaradza kwesimba remagetsi (nekuda kweiyo dura-ne-rukoko kuvesa, iyo inoshandiswa muzvirongwa zveprimiyamu, injini inodedera zvishoma), pamwe nekudzoka yeinjini yemukati yemoto. Injini ine yakananga jekiseni uye yekumisidzana yakafanana nerudzi rweinjini iri mubvunzo inowedzera simba rakawanda.

Chimwe chakanakira MPI ndeye mutengo wakakwira wekugadzirisa uye zvimwe zvikamu zvekuenzanisa zvichienzaniswa neshanduro dzekare dzemotokari. Zvemagetsi masisitimu ane akaomesesa mamiriro, ndosaka kugadzirisa kwavo kuchidhura. Kazhinji kazhinji, varidzi vemota vane injini yeMPI vanofanirwa kubata nekuchenesa majekiseni uye kumisazve zvikanganiso zvemagetsi. Nekudaro, izvi zvinofanirwa kuitwawo nevaya vane mota yakanangana nejekiseni mafuta.

Asi kana tichienzanisa majekiseni emazuva ano, zvinova pachena kuti nekuda kwekupihwa kwakananga kwemafuta kumasirinda, simba reyuniti yemagetsi rakakwira zvishoma, chiutsi chakachena, uye mafuta anoshandiswa akaderera zvishoma. Kunyangwe paine zvakanakira izvi, mafuta epamberi epamusoro akadaro achanyanyisa kudhura.

Mukupedzisa, tinopa vhidhiyo pfupi nezve nei vatyairi vazhinji vachitya kutenga mota ine jekiseni rakananga:

Zvinetso zveinhasi TSI uye TFSI yakananga jekiseni peturu injini

Mibvunzo nemhinduro:

Chii chiri nani jekiseni rakananga kana jekiseni rechiteshi? Jekiseni rakananga. Iine mafuta akawanda ekumanikidza, zviri nani kupfapfaidza. Izvi zvinopa inenge 20% yekuchengetedza uye kupera kwakachena (kunyanya kupisa kweBTC).

Multiport fuel injection inoshanda sei? Injector inoiswa pane imwe neimwe pombi inopinza yakawanda. Munguva yekutora sitiroko, mafuta anopfapfaidzwa. Iyo iri pedyo iyo injector iri kune mavharuvhu, iyo inonyanya kushanda yemafuta system.

Ndeapi marudzi emajekiseni emafuta? Kune marudzi maviri akasiyana ejekiseni: mono-injection (imwe muromo pamusimboti wecarburetor) uye akawanda-poinzi (yakagoverwa kana yakananga.