Diesel injini jekiseni system - yakananga jekiseni ine inotenderera pombi VP 30, 37 uye VP 44
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Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44Kuramba kuchikwira kwemitengo yemafuta kwakasunda vagadziri kusimudzira kusimudzira kweinjini dzedhiziri. Kusvikira pakupera kwema80s, ivo vairidza chete yechipiri vhezheni kuwedzera kune peturu injini. Dzakakonzeresa zvakanyanya yaive yavo kuwanda, ruzha uye kudedera, izvo zvisina kubhadharwa nekunyanyisa kuderera kwekushandisa mafuta. Mamiriro acho aifanira kuve akawedzeredzwa nekusimbiswa kuri kuuya kwezvinodiwa zviri pamutemo kuti kudzikise kuburitswa kwezvinhu zvinosvibisa mumweya wekuzadza. Semamwe minda, emagetsi emagetsi ane simba rekubatsira injini dzemadhiziri.

Mukupera kwema80s, asi kunyanya muma90s, iyo yemagetsi dhiziri injini yekudzora (EDC) yakaunzwa zvishoma nezvishoma, izvo zvakanyanya kuvandudza mashandiro edhiziri injini. Iwo makuru mabhenefiti akazove ari nani peturu atomization inowanikwa kubudikidza nepamusoro kumanikidza, pamwe nemagetsi inodzorwa mafuta jekiseni zvinoenderana nemamiriro azvino mamiriro uye nezvinodiwa zveinjini. Vazhinji vedu tichayeuka kubva kuhupenyu chaihwo ruzivo rwekuti "kuenda-kumberi" kwakakonzera kuburitswa kweinoshamisa 1,9 TDi injini. Kufanana nemashiripiti wand, kusvika pari zvino yakawanda 1,9 D / TD yave mutambi wenhando ane simba rakanyanya kushandisa simba.

Muchikamu chino isu tinokuudza mashandiro anoita muhombe jekiseni pombi. Tichatanga kutsanangura mashandiro anoita michina inotenderera mapombi emapundu uyezve epombi anodzorwa mapombi. Muenzaniso ipombi yejekiseni kubva kuBosch, yaive uye ichiri piyona uye mukuru mukugadzira jekiseni masisitimu enjini yedhiziri mumotokari dzevanofamba.

Iyo jekiseni unit ine rotary pombi inopa mafuta panguva imwe chete kune ese masirinda einjini. Kugovaniswa kwemafuta kune ega majekiseni kunoitwa nepasipoti yekuparadzira. Zvichienderana nekufamba kwepiston, mapombi epombi anotenderera akapatsanurwa kuita axial (ine pisitoni imwe) uye radial (ine maviri kusvika mana mapistoni).

Rotary jekiseni pombi ine axial pisitoni uye vanogovera

Kuti uwane tsananguro, isu tinoshandisa iyo inozivikanwa Bosch VE pombi. Iyo pombi ine pombi yekupa, yakanyanya kumanikidza pombi, yekumhanyisa controller uye jekiseni switch. Iyo yekudyisa vane pombi inounza mafuta kune iyo pombi yekukweva nzvimbo, kubva uko iyo mafuta inopinda mune yakakwira yekumanikidza chikamu, uko inomanikidzwa kune inodikanwa kumanikidza. Iyo yekuparadzira pisitoni inoita inotsvedza uye kutenderera kufamba panguva imwe chete. Iyo yekutsvedza inofamba inokonzerwa neaxial cam yakasimba yakabatana nepiston. Izvi zvinobvumira mafuta kuyamwa mukati uye kupihwa kune yakakwira yekumanikidza mutsara weinjini peturu system kuburikidza nemagetsi ekumanikidza. Nekuda kwekufamba kwekutenderera kwepiston kudzora, zvinoitika kuti iyo groove yekuparadzira iri mupisitoni inotenderera yakatarisana nemikana iyo nzira iyo yakanyanya kumanikidza tambo yemasilindiri ega inosanganirana nepombi musoro nzvimbo pamusoro pepistoni. Mafuta anoyamwa mukati mekufamba kwepiston kuenda pasi pasi pakafa nzvimbo, apo zvikamu zvemuchinjikwa wedhayeti uye magero mupisitoni akavhurika kune mumwe nemumwe.

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Rotary jekiseni pombi ine radial pistons

Iyo inotenderera pombi ine radial pistons inopa yakakwira jekiseni kumanikidza. Pombi yakadaro ine maviri kubva kumana mapistoni, ayo anofambisa macam zvindori, ayo akagadzika mupisitoni mumakomba avo, akananga kuchinjisa jekiseni. Iyo cam mhete ine yakawanda lugs seyakapihwa injini humburumbira. Iyo pombi shaft painotenderera, iwo mapistoni anofamba achitevedza trajectory ye cam mhete nerubatsiro rwe ma roller uye kusundira iyo cam cam protrusions munzvimbo yepamusoro yekumanikidza. Iyo rotor yepombi pombi yakabatana kune yekutyaira shaft yeiyo jekiseni pombi. Iyo pombi yekupa yakagadzirirwa kupa mafuta kubva mutangi kuenda kune yakakwira yekumanikidza peturu pombi pakumanikidza kunodikanwa kuti iite kwayo kushanda. Mafuta anopihwa kune epamhepo radial pisitoni kuburikidza neyakagovaniswa rotor, iyo inosunganidzwa zvine mutsindo kune jekiseni pombi mugodhi. Pane iyo axis yekuparadzira rotor pane iyo yepakati gomba rinobatanidza yakakwira yekumanikidza nzvimbo yeiyo radial mapistoni ane anotenderera maburi ekupa mafuta kubva kune yekudyisa pombi uye yekudonhedza yakanyanya kumanikidza mafuta kune majekiseni eayo ega masirinda. Mafuta acho anobuda mumakomba panguva yekubatanidza zvikamu zvemuchinjiko uye nemikana mu stator yepombi. Kubva ipapo, mafuta anoyerera nepakati-yekumanikidza tambo kune majekiseni emagetsi enjini. Kugadziriswa kwehuwandu hwemafuta akajowa kunoitika nekudzikamisa kuyerera kwemafuta kunoyerera kubva mupombi yekupa kune yakanyanya kumanikidza chikamu chepombi.

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Zvemagetsi Zvinodzorwa Rotary Jekiseni Pumps

Iyo inonyanya kudzorwa nemagetsi inodzorwa yakakwirira-kudzvanywa pombi inoshandiswa mumotokari muEurope ndeyeBosch VP30 yakatevedzana, iyo inoburitsa yakakwira kudzvanywa neaxial piston mota, uye VP44, mairi inogadzira pombi yakanaka yekutamisa ine maviri kana matatu radial pistons. Nepombi yeaxial zvinokwanisika kuwana yakanyanya kudzvanywa nozzle inosvika 120 MPa, uye nepombi yeradial inosvika 180 MPa. Iyo pombi inodzorwa neyemagetsi injini control system EDC. Mumakore ekutanga ekugadzirwa, iyo control system yakakamurwa kuita maviri masisitimu, imwe yaidzorwa neinjini manejimendi system, uye imwe nepombi jekiseni. Zvishoma nezvishoma, mumwe mutongi anowanikwa zvakananga papombi akatanga kushandiswa.

Centrifugal pombi (VP44)

Imwe yemapombi akajairika erudzi urwu iVP 44 radial piston pombi kubva kuBosch. Iyi pombi yakaunzwa muna1996 senge yakakwira yekumanikidza peturu jekiseni system yevanofamba nemotokari uye dzakareruka mota dzekutengesa. Mugadziri wekutanga kushandisa sisitimu iyi yaive Opel, iyo yakaisa VP44 pombi mune ina-humburumbira dhiziri injini yeVectra 2,0 / 2,2 DTi. Izvi zvakateverwa neAudi ine 2,5 TDi injini. Mune mhando iyi, kutanga kwejekiseni uye kudzora kwekushandisa kwemafuta zvakazara zvemagetsi zvinodzorwa nenzira dzemagetsi emagetsi. Sezvambotaurwa, iyo jekiseni sisitimu inodzorwa chero nemaviri akapatsanurwa ekudzora zvikamu, zvakasiyana enjini nepombi, kana imwe yezvinhu zvese zviri zviviri zvirimo mupombi. Iyo control unit (s) inogadzirisa masaini kubva kune akati wandei emasaenzi, ayo anoonekwa zvakajeka mumufananidzo uri pazasi.

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Kubva pane dhizaini yekuona, musimboti wekushanda kwepombi wakangofanana neiya yeanogadzirwa nemagetsi. Iyo jekiseni pombi ine radial kugovera ine vane-kamuri pombi ine yekumanikidza yekudzora vharuvhu uye inoyerera throttle vharafu. Basa rayo nderekusveta mafuta, kugadzira kudzvanywa mukati meiyo accumulator (inenge 2 MPa) uye refuel ine yakakwirira-kumanikidza radial piston pombi inogadzira iyo inodiwa kudzvanywa kweatomization-jekiseni remafuta mumasilinda (kusvika angangoita 160 MPa) . ). Iyo camshaft inotenderera pamwe chete neepamusoro-yekumanikidza pombi uye inopa mafuta kune yega injector cylinders. Yekutsanya solenoid vharuvhu inoshandiswa kuyera uye kugadzirisa huwandu hwemafuta akajowa, ayo anodzorwa nemasaini aine akasiyana pulse frequency kuburikidza neel. iyo unit iri papombi. Kuvhura nekuvhara kwevhavha inosarudza nguva iyo mafuta anopihwa neakanyanya pombi yekumanikidza. Zvichienderana nemasaini kubva kuarion angle sensor (angular chinzvimbo chesilinda), iyo pakarepo angular chinzvimbo cheiyo shaft shaft uye cam mhete panguva yekudzosera yakatemwa, iko kutenderera kumhanya kweiyo jekiseni pombi (tichienzanisa nezviratidzo kubva kune crankshaft sensor) uye chinzvimbo cheiyo jekiseni chinja mupombi chinoverengerwa. Iyo solenoid vharuvhu inogadzirisa zvakare chinzvimbo cheiyo jekiseni switch, iyo inotenderera iyo cam mhete yeiyo yakakwira yekumanikidza pombi zvinoenderana. Nekuda kweizvozvo, iyo shafts inotyaira iyo mapistoni munguva pfupi kana gare gare inosangana nekamu mhete, izvo zvinotungamira mukumhanyisa kana kunonoka mukutanga kwekumanikidza. Iyo jekiseni shanduko vharuvhu inogona kuvhurwa uye kuvharwa zvinowirirana neyakadzora yuniti. Iyo yekumusoro angle sensor iri pane mhete inotenderera zvakaenzana necam mhete yeiyo yakanyanya pombi yekumanikidza. Iyo pulse jenareta iri pane iyo pombi yekutyaira shaft. Iwo majeketi akaenzana anoenderana nehuwandu hwesirinda muinjini. Kana iyo camshaft ichitenderera, iwo masuruji ekuchinja anofamba achitevedza pamusoro pekam mhete. Iyo piston inosundidzirwa mukati uye kumanikidza mafuta kune yakanyanya kumanikidza. Kumanikidzwa kwemafuta pasi pekumanikidzwa kukuru kunotanga mushure mekuvhurwa kweiyo solenoid vheji nechiratidzo kubva kuchikamu chekutonga. Shaft yekuparadzira inoenda kune chinzvimbo pamberi penzvimbo yakakwenenzverwa peturu kune inoenderana humburumbira. Mafuta acho anobva aiswa pombi kuburikidza nevhavha yekutarisisa kuenda kune injekisheni, inoipinza musilinda. Iyo jekiseni inopera nekuvharwa kweiyo solenoid vharafu. Iyo vharuvhu inovhara ingangoita mushure mekukunda yepasi yakafa nzvimbo yepombi radial pistons, kutanga kwekumanikidza kukwira kunodzorwa nekam inopindirana kona (inodzorwa neiyo jekiseni switch). Fuel jekiseni inokanganiswa nekumhanya, mutoro, tembiricha yeinjini uye ambient kumanikidza. Iyo yekudzora unit inoongororawo ruzivo kubva kune crankshaft chinzvimbo chinzwa uye dhiraivha shaft kona mupombi. Iyo control unit inoshandisa iyo kona sensor kuona chaiyo nzvimbo yechaidhi shaft yepombi uye jekiseni switch.

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

1. - Vane extrusion pump ine pressure control valve.

2. - kutenderera angle sensor

3. - pombi control element

4. - high pressure pump ine camshaft uye drain valve.

5. - jekiseni chinja nekuchinja valve

6. - high pressure solenoid valve

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Axial pombi (VP30)

Iyo yakafanana yemagetsi control system inogona kuiswa kune iyo inotenderera pisitoni pombi, senge iyo Bosch mhando VP 30-37 pombi, iyo yanga ichishandiswa mumotokari dzevapfuuri kubvira 1989. Mune VE axial kuyerera mafuta pombi inodzorwa nemuchina meccentric gavhuna. iyo inoshanda yekufamba uye peturu dhizaini inomira chinzvimbo cheiyo giya lever. Ehezve, mamwe marongero akajeka anowanikwa nemagetsi. Iyo yemagetsi inodzora mujekiseni pombi iri yemagetsi regulator uye ayo ekuwedzera masisitimu. Iyo control unit inosarudza chinzvimbo chemagetsi emagetsi mujekiseni pombi, ichifunga nezvezviratidzo kubva kune akasiyana maseru anodzora mashandiro einjini.

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Chekupedzisira, mimwe mienzaniso yepombi dzakataurwa mune dzakananga mota.

Rotary pombi yemafuta ine axial piston mota VP30 inoshandisa eg Ford Focus 1,8 TDDi 66 kW

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

VP37 inoshandisa injini 1,9 SDi uye TDi (66 kW).

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Rotary jekiseni pombi ine radial pistons VP44 inoshandiswa mumotokari:

Opel 2,0 DTI 16V, 2,2 DTI 16V

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Audi A4 / A6 2,5 TDi

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

BMW 320d (100 KW)

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

Dhizaini yakafanana ipombi yejekiseni inotenderera ine Nippon-Denso radial pistons muMazde DiTD (74 kW).

Diesel injini jekiseni system - yakananga jekiseni ine rotary pombi VP 30, 37 uye VP 44

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