Bilmunstycken, Motordysor, Arbetsprincip

Bilmunstycket är en anordning som är ansvarig för direkt sprutning av bränsle inuti förbränningskammaren. Hittills finns det flera modifieringar av den här enheten. Om detta vidare i artikeln.

Bränsleinsprutningssystem, från vilket injektionssystemet består av

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Bränslesystemet består av sådana element:

  1. Topplökar.
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  2. Bränsletank.
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  3. Bensinpump.
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  4. Bränslefilter.
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  5. Enhet för blandning av luft och bränsle.
  6. Bränsletryckskontroll.
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  7. Insugsgrenrör.
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  8. Luftfilter.
  9. Sensorer.
  10. Ljuddämparen av ljudet av avgaser.

Beroende på vilken enhet som används för att blanda luft och bränsle finns det tre typer av bränslesystem:

  1. Uppladdningsbart bränslesystem - som används i dieselmotorer.
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  2. Carburetor bränslesystem - som används i Carburetor Motors.
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  3. Injektorbränslesystem - som används i bensinmotorer. I det här fallet är det för blandning av luft och bränsle ansvarigt för munstycket.
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Direkt injektion eller för vad du behöver munstycken i motorn

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Den direkta injektionen är modifulaten av den distribuerade bränsleinsprutningen, där bränslet injiceras i cylindrarna direkt. Munstycket är den huvudsakliga bindningskomponenten mellan bränslepumpen och motorn. Huvudsyftet med munstyckena:
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  1. Säkerställa rätt dosering av bränslet som levereras till motorn.
  2. Säkerställa den korrekta strålen (kvantitet, tryck, vinkel) av blandningen.

Munstyckstyper och deras syfte

  1. Elektromagnetisk.
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  2. Mekanisk.
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  3. Hydraulisk.
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  4. Piezoelektrisk.
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Elektromagnetisk munstycke, enhet och arbetsprincip

Sådana elektromagnetiska anordningar används som regel på bensinmotorer, inklusive med direkt injektion. Denna typ av utrustning har en ganska enkel design bestående av:

  1. Munstycksmunstycke.
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  2. Nål.
  3. Försegla på fallet.
  4. Munstyckets hus.
  5. Ankare från elektromagneten.
  6. Särskild vår.
  7. Elektromagnetisk excitationslindning.
  8. Elektrisk kontakt.
  9. Mesh filter.
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Munstycket utför stänkbränsle. Det är av kvaliteten på driften av denna komponent beror på hela enhetens funktion. Mesh-filtret filtrerar bränslet som passerar genom munstycket.

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ECU, som motsvarar den tidigare lätta algoritmen, vid det önskade ögonblicket, säkerställer tillförsel av spänning till lindningen av ventil excitation. I processen av detta uppstår ett elektromagnetiskt fält, som övervinna fjäderkraften, varefter den försenar ett ankare med en nål, som frigör munstycket. Efter allt är det bränsleinsprutningen. När spänningen försvinner, återvänder nålen på munstycket till sadeln med våren.

Bensinmunstycke i sammanhanget

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  1. Mesh filter.
  2. Munstycksmunstycke.
  3. Täta.
  4. Nålmunstycke.
  5. Munstyckets hus.
  6. Ankare elektromagnet.
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  7. Sele lindning.
  8. Vår.
  9. Elektrisk kontakt.

Dieselmunstycke, Dieselmotors munstycken, enhet och driftsprincip

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I dieselmotorer, inklusive de som är utrustade med "Common Rail" -insprutningssystemet, används elektrohydrauliska munstycken. Utformningen av denna anordning innefattar en elektromagnetisk ventil, en kontrollkammare, liksom ett avlopps- och intagskoka.

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Principen om operation av sådan utrustning är baserad på användningen av bränsletryck under injektion, såväl som efter uppsägning. I den ursprungliga positionen är solenoidventilen helt stängd och avstängd, nålen på anordningen trycks till sadeln med ett tryck på bränslekolven i styrkammaren. Bränsleinsprutning i denna position utförs inte. Det är värt att notera att bränslet på nålen, i denna situation, mindre tryck, som produceras på kolven, som ett resultat av skillnaden i kontaktområden.

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Efter mekanoens kommando utlöses magnetventilen och avloppsgasen öppnas. Bränsle, som ligger i kontrollkammaren, medan du strömmar genom gasen i avloppsvägen. Inloppskosten är ett hinder för den snabbaste nivelleringen av tryck i inloppsledningen och kontrollkammaren. Gradvis är det en minskning av trycket på kolven, men bränsletrycket som utövas på nålen ändras inte, vilket resulterar i att höja nålen och injektionen av bränsle.

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Piezoforun, enhet

Utformningen av piezoquorming innehåller sådana komponenter:

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  1. Bränsleförsörjningskanal.
  2. Elektrisk munstycksanslutning.
  3. Mikrofilter.
  4. Kanaluppfödning.
  5. Piezoelement.
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  6. Kolv pusher.
  7. Ventilkolv.
  8. Fjäderventil.
  9. Växlingsventil.
  10. Choke block.
  11. Spring Needle Sprayer.
  12. Brandbeständig bricka.
  13. Sprutens nål.

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PiezohoroforesNunk, principen om arbete

Operationen av munstyckets styrventil är baserad på en välkänd piezoelektrisk effekt som används, t ex i gasändare. Människans finger trycker på en knapp som deformerar arbetskomponenten från dielektriska. Som ett resultat användes avgiften för att inflamma gasen.

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I piezoelektriska munstycken, t. N. Omvänd piezoelektrisk effekt. Spänningen matas till dielektriska, vilket bidrar till materialets deformation. Ventilstången är ansluten till den, som kan klättra om strömmen matas till munstycket.

Piezohoroforunk, värdighet

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  1. Hög effektivitetsmunstycken.
  2. Minska buller i processen med motoroperation.
  3. Förmågan att ändra injektionstrycket.
  4. Öka munstyckets hastighet.

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