DENSO mutungamiri wepasi rose mune tekinoroji yedhiziri uye muna 1991 yaive yekutanga midziyo (OE) mugadziri weceramic glow plugs uye akapayona iyo yakajairika njanji system (CRS) muna 1995. Iyi nyanzvi inoramba ichibvumira kambani kubatsira vagadziri vemotokari pasi rese. kugadzira motokari dzinoramba dzichiteerera, dzinoshanda uye dzakavimbika.
Imwe yeakakosha hunhu hweCRS, iyo yakaita chikamu chikuru mukuunza budiriro yekubudirira yakabatana nayo, inyaya yekuti inoshanda nemafuta pasi pekumanikidzwa.Sezvo tekinoroji yakashanduka uye kuita kweinjini kwakavandudzwa, saka kudzvanywa kwemafuta muhurongwa kwakawedzera, kubva pa120 megapascals (MPa) kana 1,200 bar pakuiswa kwechizvarwa chekutanga system, kusvika ku250 MPa yechizvarwa chechina system.Kutaridza mashandiro anoshamisa akaitwa nebudiriro yerudzi urwu, kuenzanisa kushandiswa kwemafuta kwakadzikira ne50%, kuburitswa kwakadzikira ne90% uye simba reinjini rinokwira ne120%, mukati memakore gumi nemasere pakati pechizvarwa chekutanga nechina cheCRS.
High Pressure Fuel Pombi
Kuti ishande zvinobudirira pakumanikidza kwakadai, iyo CRS inovimba nezvinhu zvitatu zvakakosha: pombi yemafuta, majekiseni nemagetsi, uye sezvizvi zvese izvi zvakagadziridzwa nechizvarwa chimwe nechimwe.Saka, iwo epakutanga HP2 mafuta epombi aishandiswa zvakanyanya kune chikamu chemotokari yevatyairi mukupera kwema1990s, akapfuura nemukati akati wandei kuti ave iwo HP5 shanduro dzinoshandiswa nhasi, makore makumi maviri gare gare.Zvikuru zvinotyairwa nehuwandu hweinjini, zvinowanikwa mune imwe chete (HP5S) kana mbiri cylinder (HP5D) zvakasiyana, nehuwandu hwavo hwekubuda hunodzorwa ne-pre-stroke control valve, iyo inoita kuti pombi ichengetedze kudzvinyirira kwayo kwakanyanya, ingave kana kwete. injini iri pasi pekuremerwa.Padivi pepombi yeHP5 inoshandiswa kumotokari dzinotakura vanhu uye mota diki dzekutengesa, ndiyo HP6 yemainjini matanhatu kusvika masere-lita uye HP7 yekugona pamusoro pazvo.
Mafuta Majekiseni
Kunyange zvazvo, muzvizvarwa zvose, basa rejojo yemafuta harina kuchinja, kuoma kwekugadzirwa kwemafuta kwakakura zvakanyanya, kunyanya kana zvasvika pakupararira kwemaitiro uye kupararira kwemadonhwe emafuta mukamuri, kuti kuwedzere kushanda kwemoto.Zvisinei, madzorwo azvinoitwa ndiwo ari kuramba achichinja zvikuru.
Sezvo mwero wepasi rose wekuburitsa hutsi hwakawedzera kuomarara, majekiseni emagetsi akangopa nzira kune solenoid inodzorwa emagetsi emagetsi shanduro, ichishanda nemagetsi emhando yepamusoro kuvandudza mashandiro avo nekudaro kuderedza kuburitsa.Nekudaro, sekungoramba kwakaita CRS kushanduka, ndizvo zvakaitawo jekiseni, sekuzadzisa zvimiro zvazvino zvekuburitsa, kutonga kwavo kwaifanira kuve kwakanyatso kujeka uye kukosha kwekupindura mumamicroseconds kunove kwakakosha.Izvi zvakonzera kuti maPiezo majekiseni apinde mumakwikwi.
Panzvimbo pekuvimba nemagetsi emagetsi, majekiseni aya ane makristasi epiezo, ayo, kana akaiswa pamagetsi, anowedzera, achidzokera kuhukuru hwawo hwepakutanga sezvaanoburitsa.Uku kuwedzera uye kuputika kunoitika mumamicroseconds uye maitiro anomanikidza mafuta kubva kune jekiseni kupinda mukamuri.Nekuda kwekuti ivo vanogona kuita nekukurumidza kudaro, majekiseni ePiezo anogona kuita mamwe majekiseni pacylinder sitiroko ipapo solenoid activated vhezheni, pasi pehutsigiri hwepamusoro, iyo inovandudza kugona kwekupisa kuchiri mberi.
Electronics
Chinhu chekupedzisira ndechekutonga kwemagetsi kweiyo jekiseni process, iyo padivi pekuongororwa kwemamwe akawanda ma paramita, inogara ichiyerwa nekushandiswa kweiyo pressure sensor kuratidza kudzvanywa mumafuta njanji yekudyisa kune injini yekudzora unit (ECU).Nekudaro, kunyangwe ichigadzira tekinoroji, mafuta ekumanikidza sensors anogona achiri kutadza, zvichikonzera kukanganisa makodhi uye, muzviitiko zvakanyanyisa, kudzima kudzima.Nekuda kweizvozvo, DENSO yakapayona imwe yakanyatsojeka imwe nzira inoyera kudzvanywa mujekiseni remafuta kuburikidza nesensor yakaiswa mune yega jekiseni.
Yakavakirwa yakatenderedza yakavharwa-loop control system, DENSO's Intelligent-Accuracy Refinement Technology (i-ART) ijekiseni yekuzvidzidzira yakarongedzerwa neyayo microprocessor, ichiigonesa kugadziridza yakazvimirira huwandu hwejekiseni rehuni uye nguva kumazinga awo akakwana uye kutaurirana izvi. ruzivo kune ECU.Izvi zvinoita kuti zvikwanise kuenderera mberi nekutarisa uye kugadzirisa jekiseni remafuta pakupisa mune yega yega silinda uye zvinoreva kuti inozvibhadharira zvakare pamusoro pehupenyu hwayo hwesevhisi.i-ART ibudiriro iyo DENSO haina kungoisa muchizvarwa chechina Piezo majekiseni, asi yakasarudzwa solenoid activated shanduro dzechizvarwa chimwe chete.
Iko kusanganiswa kwepamusoro jekiseni kudzvinyirirwa uye i-ART tekinoroji budiriro inobatsira kuwedzera kushanda kweinjini uye kuderedza mashandisirwo esimba, ichipa nharaunda yakagadzikana uye kutyaira inotevera nhanho yekushanduka kwedhiziri.
The Aftermarket
Chimwe chezvakakosha zveEuropean yakazvimirira aftermarket ndechekuti, kunyangwe maturusi ekugadzirisa uye matekiniki ari pasi pekuvandudzwa kweiyo DENSO yakatenderwa kugadzirisa network, parizvino hapana chinoshanda chekugadzirisa sarudzo yechizvarwa chechina mapombi emafuta kana majekiseni.
Naizvozvo, kunyangwe chizvarwa chechina CRS sevhisi uye kugadzirisa kunogona, uye kunofanirwa kuitwa nechikamu chakazvimirira, pombi yemafuta kana majekiseni akatadza kugadziriswa parizvino, saka inofanirwa kutsiviwa nezvikamu zvitsva zvekufananidza OE mhando inopihwa nevagadziri vane mbiri, vakadaro. seDENSO.
Nguva yekutumira: Zvita-08-2022