Chii chinonzi VANOS system kubva kuBMW, inoshanda sei

Iyo VANOS (Variable Nockenwellen Steuerung) sisitimu chinhu chakakosha chemazuva ano enjini dzeBMW, nekuda kwaro zvinogoneka kudzikisa zvakanyanya kubuda kwemhepo, kuderedza kushandiswa kwemafuta, kuwedzera injini torque pakaderera revs uye kuwedzera simba rakawanda pakakwirira revs. Iyi sisitimu inobvumira injini kuti imhanye yakagadzikana sezvinobvira isina basa, kunyangwe pakudziya kwakaderera.

Chii chinonzi Vanos system

Variable Nockenwellen Steuerung is German for variable control of engine camshafts. Iyi sisitimu yakagadzirwa nevainjiniya veBMW. VANOS inonyanya kushanduka yevhavha nguva system. Yayo peculiarity iri pakuti inokwanisa kushandura chinzvimbo camshafts maererano crankshaft. Nokudaro, zvikamu zvegasi rekugovera nzira (nguva) inodzorwa. Iyi gadziriso inogona kuitwa kubva pa6 madhigirii mberi kusvika 6 madhigirii akadzoserwa kubva kumusoro akafa pakati.

Chishandiso uye zvinhu zvikuru zveVanos

Iyo VANOS system iri pakati pecamshaft negiya rekutyaira. Magadzirirwo ayo ari nyore. Chikamu chikuru chegadziriro ndeye pistons inoshandura nzvimbo ye camshafts, nokudaro ichishandura nguva yevhavha. Aya mapistoni anodyidzana nemagiya ecamshaft kuburikidza neshaft ine mazino inobatana nepiston. Aya mapiston anofambiswa nemafuta emafuta.

Chigadzirwa chacho chinosanganisira yakakosha solenoid valve, iyo inoshandiswa iyo inodzorwa neelectronic control unit (ECU). Ruzivo kubva kune camshaft chinzvimbo sensors inotorwa sekuisa. Iyi sensor inosarudza ikozvino angular nzvimbo ye shafts. Iyo data yakagamuchirwa inobva yatumirwa kuECU kuenzanisa kukosha kwakawanikwa nekona yakapiwa.

Nekuda kwekuchinja uku munzvimbo yecamshafts, nguva yevhavha inoshanduka. Somugumisiro, mavharuvhu anovhura zvishoma zvishoma kupfuura zvavanofanira, kana zvishoma gare gare pane nzvimbo yekutanga ye shafts.

Mashandiro anoita hurongwa

BMW parizvino iri kushandisa chizvarwa chechina VANOS (variable camshaft control) tekinoroji mumainjini ayo. Zvinofanira kucherechedzwa kuti chizvarwa chekutanga chehunyanzvi uhu chainzi Single VANOS. Mariri, chete camshaft yekutora yakarongedzwa, uye zvikamu zvekupedza zvakachinjwa mumatanho (discretely).

Hunhu hwekushanda kwehurongwa hwakadai hwakanga hunotevera. Nzvimbo ye camshaft yekutora yakagadziriswa zvichibva pane data kubva kune injini yekumhanyisa sensor uye chinzvimbo cheiyo accelerator pedal. Kana mutoro wakareruka (pasi RPM) wakaiswa kune injini, mavharuvhu ekutora akatanga kuvhurika gare gare, izvo zvinoita kuti injini ifambe zvakanaka.

Kuvhurwa kwekutanga kwemavharuvhu ekudya pakati peinjini kumhanya kunowedzera torque uye kunatsiridza kubuda kwegasi kutenderera mukamuri yekupisa, kuderedza kushandiswa kwemafuta uye kuburitsa kwese. Pakumhanya kweinjini, mavharuvhu ekutora anovhurwa gare gare, zvichikonzera simba guru. Mumaminetsi ekutanga mushure mekutanga injini, sisitimu inomutsa yakasarudzika modhi, chinhu chikuru chiri kudzikisa nguva yekudziya-up.

Ikozvino inonzi inonzi Double Vanos (Double Vanos) ndiyo inoshandiswa. Kusiyana ne "Single" system, iyo kaviri inodzora mashandiro ekutora uye exhaust camshafts uye kutonga kwavo kuri nyore. Kuburikidza nekushandiswa kweiyo yakagadziridzwa sisitimu, zvakakwanisika kuwedzera zvakanyanya torque uye injini simba mukati mese rev rev. Mukuwedzera, maererano nechirongwa cheBiVanos, chikamu chiduku chemagasi emhepo chinogona kupiswa zvakare muimba yekupisa, iyo, maererano naizvozvo, inotungamirira kuwedzera kwehutano hwezvakatipoteredza hwejini.

Iye zvino mota dzese dzeGerman brand dzinoshandisa chizvarwa chechina Vanos system. Chinhu chikuru cheiyi vhezheni ndechekuti inoshandisa Vanos magiya ekutora uye exhaust camshafts. BMW mainjiniya akaita kuti sisitimu iwedzere compact: ikozvino iyo actuator yese iri mune yenguva sprockets ivo pachavo. Zvakanaka, kazhinji, chizvarwa chechina chehurongwa hwakafanana neSingle Vanos.

Zvakanakira uye zvakaipira Vanos

Nezvazvo zvese zvisingarambiki zvakanakira: yakakwira injini torque payakaderera revs, kudzikamiswa kweinjini pasina basa, kunyatsoshanda kwemafuta uye kushamwaridzana kwenzvimbo, masisitimu eVANOS zvakare ane zvayakaipira. Haana kuvimbika zvakakwana.

Iko kukanganisa kukuru kweVanos

• Kuparadzwa kwezvindori zvekuisa chisimbiso. Aya ndiwo mhete dzepiston dzemafuta dzinogadzirisa chinzvimbo checamshafts. Pamusana pezvikonzero zvakawanda: kutonhora kwepamusoro uye kwakadzika, zvinhu zvakasiyana-siyana zvinokuvadza zvinopinda murubha (zvinhu izvo zvindori zvinogadzirwa), inopedzisira inotanga kurasikirwa nemararamiro ayo uye inoputika. Ndokusaka kusimba mukati memeshini kunopera.
• Washer dzakasakara uye mabearings. Dhizaini yemafuta pistons inosanganisira simbi mabhengi uye washers. Nokufamba kwenguva, vanotanga kutsveyama, sezvo ivo pakutanga vaine mwero wakaderera wekuchengeteka. Kuti uone kana bheya (kana washer) inoda kutsiviwa muVANOS system, unofanirwa kuteerera kuti injini iri kushanda sei. Kana kutakura kana washer yakasakara, isingafadzi, ruzha rwesimbi runonzwika.
• Chips uye tsvina pane flanges uye pistons. Iyi ndiyo inonzi deformation yezvikamu zvesimbi. Inogona kukonzerwa nekuita zvehasha dhiraivha, yakaderera-mhando mafuta / peturu, pamwe nepamusoro mileage. Notches uye zvikwambo zvinoonekwa pamusoro pemafuta pistons kana gasi camshafts. Mhedzisiro kurasikirwa kwesimba / torque, isina kugadzikana injini idling.

Kana injini yemotokari ikatanga kuzunguzika isingaiti, unoona kukurumidza kusimba mukati mese rev rev, pane kuwedzera kwekushandisa kwemafuta, ruzha rwekutinhira panguva yekushanda kweinjini, kazhinji VANOS inoda kutariswa nekukurumidza. Matambudziko ekutanga injini, spark plugs uye mabumps chiratidzo chakajeka chehurombo hwekuita kwehurongwa.

Pasinei nekusavimbika, kukurudzirwa kwevainjiniya veBavaria kunobatsira zvikuru. Kuburikidza nekushandiswa kweVANOS, kuvandudzwa kweinjini, hupfumi uye kuenderana kwezvakatipoteredza kunowanikwa. Vanos zvakare inotsvedzerera iyo torque curve mukati meinjini yekushandisa.