mlaznica motor automobila, mlaznice motora, princip rada

Automobilska mlaznica je uređaj koji je odgovoran za direktno raspršivanje goriva unutar komore za izgaranje. Do danas, postoji nekoliko izmjene ovog uređaja. O tome dalje u članku.

Sustav ubrizgavanja goriva, od kojih je sustav ubrizgavanja sastoji od

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Sustav goriva sastoji se od takvih elemenata:

  1. Top žarulje.
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  2. Spremnik za gorivo.
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  3. Pumpa za gorivo.
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  4. Filtri za gorivo.
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  5. Uređaj za miješanje zraka i goriva.
  6. Gorivo kontrolu tlaka.
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  7. Usisni razvodnik.
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  8. Zračni filter.
  9. Senzori.
  10. Prigušivač buke ispušnih plinova.

Ovisno o uređaju koji se koristi za miješanje zraka i goriva, postoje tri vrste sustava za gorivo:

  1. Punjiva Sustav goriva - koristiti u dizelskim motorima.
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  2. Karburator Sustav goriva - koristi se u karburator motore.
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  3. Brizgaljki Sustav goriva - koristi se u benzinskim motorima. U tom slučaju, za miješanje zraka i goriva je odgovorna za mlaznice.
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Izravno ubrizgavanje ili za ono što vam je potrebno mlaznice u motoru

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Izravno injekcija je modifulacija distribuirane injekcije goriva, gdje se gorivo ubrizgava u cilindre izravno. Mlaznica je glavna obvezujuća komponenta između pumpe za gorivo i motora. Glavna svrha mlaznica:
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  1. Osiguravanje ispravne doze goriva koji se isporučuje na motor.
  2. Osiguranje ispravnog mlaza (količine, tlak, kut) smjese.

Vrste mlaznica i njihova svrha

  1. Elektromagnetski.
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  2. Mehanički.
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  3. Hidraulički.
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  4. Piezoelektric.
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Elektromagnetska mlaznica, uređaj i princip rada

Takvi elektromagnetski uređaji koriste se, u pravilu, na benzinskim motorima, uključujući i izravno ubrizgavanje. Ova vrsta opreme ima prilično jednostavan dizajn koji se sastoji od:

  1. Mlaznica mlaznice.
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  2. Igla.
  3. Pečat na kućištu.
  4. Kućište mlaznice.
  5. Sidro od elektromagnet.
  6. Posebno proljeće.
  7. Elektromagnetsko namotavanje uzbude.
  8. Električni priključak.
  9. Mesh filtar.
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Mlaznica obavlja prskanje goriva. To je iz kvalitete rada ove komponente ovisi o radu cijelog uređaja. Mesh filter filtrira gorivo koje prolazi kroz mlaznicu.

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ECU, koji odgovara prethodno postavljenom algoritmu, u traženom trenutku osigurava opskrbu napona namotanju ekscitacije ventila. U procesu tog, nadilazi elektromagnetsko polje, prevladavanje proljetne sile, nakon čega se odgađa sidro s iglom, koja oslobađa mlaznicu. Uostalom, to je injekcija goriva. Kada napon nestane, igla mlaznice se vraća na sedlo pomoću proljeća.

Benzina mlaznica u kontekstu

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  1. Mesh filtar.
  2. Mlaznica mlaznice.
  3. Pečat.
  4. Mlaznica igle.
  5. Kućište mlaznice.
  6. Sidro elektromagnet.
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  7. Namotavanje u kabini.
  8. Proljeće.
  9. Električni priključak.

Dizel mlaznica, mlaznice dizel motora, uređaj i princip rada

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U dizelskim motorima, uključujući i one opremljene s "zajedničkim željezničkim" sustavom za ubrizgavanje, koriste se elektrohidraulične mlaznice. Dizajn ovog uređaja uključuje elektromagnetski ventil, kontrolnu komoru, kao i odvod i usisnu gušenje.

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Načelo djelovanja takve opreme temelji se na korištenju tlaka goriva tijekom injekcije, kao i nakon završetka. U početnom položaju, solenoidni ventil je potpuno zatvoren i de-energiziran, igla uređaja se pritisne na sedlo s tlakom na klip za gorivo u upravljačkoj komori. Ubrizgavanje goriva u ovom položaju se ne izvodi. Važno je napomenuti da je pritisak goriva na iglu, u ovoj situaciji, manje tlaka, koji se proizvodi na klip, kao rezultat razlike u kontaktnim područjima.

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Nakon zapovjedništva ECU-a se aktivira solenoidni ventil i otvori se odvodno gas. Gorivo, koje se nalazi u kontrolnoj komori, dok teče kroz gas u autocestu odvoda. Unos prigušnica je prepreka najbržem niveliranju pritisaka u ulaznoj liniji i kontrolnoj komori. Postupno postoji smanjenje tlaka na klip, međutim, tlak goriva koji se vrši na iglu ne mijenja, što rezultira podizanjem injekcije i injekcije goriva.

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Piezoforun, uređaj

Dizajn piezokomija uključuje takve komponente:

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  1. Kanal za opskrbu gorivom.
  2. Konektor za električnu mlaznicu.
  3. Mikrofilter.
  4. Uzgoj kanala.
  5. Piezolament.
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  6. Klipni potiskivač.
  7. Klip ventila.
  8. Proljetni ventil.
  9. Prebacivanje ventila.
  10. Blok.
  11. Prskalica proljetne igle.
  12. Vatrootporna perilica.
  13. Igla prskalice.

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Piezohohoroforsunk, načelo rada

Rad upravljačkog ventila mlaznice temelji se na dobro poznatom piezoelektričnom učinak, na primjer, u plinskim upaljačima. Čovjekov prst pritisne gumb koji deformira radnu komponentu iz dielektrika. Kao rezultat toga, naplata se koristi za upamljivanje plina.

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U piezoelektričnim mlaznicama, t. N. Obrnuti piezoelektrični učinak. Napon se dovodi do dielektrika, što doprinosi deformaciji materijala. Šipka ventila je povezana s njom, koja se može penjati ako se struja dovodi do mlaznice.

Piezohohoroforsunk, dostojanstvo

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  1. Visoke učinkovitosti mlaznice.
  2. Smanjenje buke u procesu motornog rada.
  3. Sposobnost promjene tlaka ubrizgavanja.
  4. Povećajte brzinu mlaznice.

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