Bicos de motor de carro, bicos de motor, princípio de trabalho

O bico automotivo é um dispositivo responsável pela pulverização direta de combustível dentro da câmara de combustão. Até o momento, existem várias modificações deste dispositivo. Sobre isso ainda no artigo.

Sistema de injeção de combustível, a partir do qual o sistema de injeção consiste em

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O sistema de combustível consiste em tais elementos:

  1. Bulbos superiores.
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  2. Tanque de combustível.
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  3. Bomba de combustivel.
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  4. Filtros de combustível.
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  5. Dispositivo para misturar ar e combustível.
  6. Controle de pressão de combustível.
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  7. Coletor de admissão.
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  8. Filtro de ar.
  9. Sensores.
  10. O silenciador do ruído dos gases de escape.

Dependendo do dispositivo usado para misturar ar e combustível, existem três tipos de sistemas de combustível:

  1. Sistema de combustível recarregável - usado em motores a diesel.
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  2. Sistema de combustível de carburador - usado em motores de carburador.
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  3. Sistema de combustível injector - usado em motores a gasolina. Neste caso, para misturar ar e combustível é responsável pelo bocal.
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Injeção direta ou para o que você precisa de bicos no motor

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A injeção direta é a modifulação da injeção de combustível distribuída, onde o combustível é injetado diretamente nos cilindros. O bocal é o principal componente de ligação entre a bomba de combustível e o motor. O principal objetivo dos bicos:
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  1. Garantir a dose correta do combustível fornecido ao motor.
  2. Garantir o jato correto (quantidade, pressão, ângulo) da mistura.

Tipos de bicos e sua finalidade

  1. Eletromagnético.
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  2. Mecânico.
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  3. Hidráulico.
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  4. Piezoelétrico.
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Bocal eletromagnético, dispositivo e princípio de trabalho

Tais dispositivos eletromagnéticos são usados, por via de regra, nos motores a gasolina, inclusive com injeção direta. Este tipo de equipamento tem um design bastante simples que consiste em:

  1. Bocal do bocal.
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  2. Agulha.
  3. Selo no caso.
  4. A caixa do bocal.
  5. Âncora do eletromagnet.
  6. Primavera especial.
  7. Enrolamento de excitação eletromagnética.
  8. Conector elétrico.
  9. Filtro de malha.
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O bico executa combustível espirrando. É da qualidade da operação deste componente depende da operação de todo o dispositivo. O filtro de malha filtra o combustível passando pelo bocal.

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ECU, correspondendo ao algoritmo previamente ligado, no momento exigido, garante o fornecimento de tensão ao enrolamento da excitação da válvula. No processo disso, ocorre um campo eletromagnético, superando a força da mola, após o que apague uma âncora com uma agulha, que libera o bocal. Afinal, esta é a injeção de combustível. Quando a tensão desaparece, a agulha do bocal retorna para a sela usando a mola.

Bico de gasolina no contexto

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  1. Filtro de malha.
  2. Bocal do bocal.
  3. Foca.
  4. Bocal de agulha.
  5. A caixa do bocal.
  6. Âncora Eletromagnet.
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  7. Enrolamento de arnês.
  8. Primavera.
  9. Conector elétrico.

Bocal diesel, bicos de motor diesel, dispositivo e princípio de operação

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Em motores a diesel, incluindo aqueles equipados com o sistema de injeção "Common Rail", os bicos eletro-hidráulicos são usados. O design deste dispositivo inclui uma válvula eletromagnética, uma câmara de controle, bem como um choke de dreno e ingestão.

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O princípio da operação de tal equipamento é baseado no uso da pressão de combustível durante a injeção, bem como, após sua rescisão. Na posição inicial, a válvula solenóide é completamente fechada e desenergizada, a agulha do dispositivo é pressionada para a sela com uma pressão no pistão de combustível na câmara de controle. Injeção de combustível nesta posição não é executada. Vale a pena notar que a pressão do combustível na agulha, nesta situação, menos pressão, que é produzida no pistão, como resultado da diferença nas áreas de contato.

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Após o comando da ECU, a válvula solenóide é acionada e o acelerador de dreno é aberto. Combustível, que está localizado na câmara de controle, fluindo através do acelerador na rodovia de drenagem. O desgraçado de entrada é um obstáculo para o nível mais rápido das pressões na linha de entrada e da câmara de controle. Gradualmente, há uma diminuição na pressão no pistão, no entanto, a pressão do combustível exercida na agulha não muda, resultando em aumentar a agulha e a injeção de combustível.

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Piezoforun, dispositivo

O design da piezoqualização inclui esses componentes:

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  1. Canal de fornecimento de combustível.
  2. Conector de bocal elétrico.
  3. Microfiltro.
  4. Reprodução de canais.
  5. Piezoelement.
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  6. Empurrador de pistão.
  7. Pistão de válvula.
  8. Válvula de primavera.
  9. Válvula de comutação.
  10. Bloqueio de estrangulamento.
  11. Pulverizador de agulha de primavera.
  12. Lavadora à prova de fogo.
  13. A agulha do pulverizador.

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Piezohoroforsunk, princípio do trabalho

A operação da válvula de controle do bocal é baseada em um efeito piezoelétrico conhecido usado, por exemplo, em isqueiros de gás. O dedo do homem pressiona um botão que deforma o componente de trabalho do dielétrico. Como resultado, a carga usada para inflamar o gás.

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Em bicos piezoelétricos, t. N. Efeito piezoelétrico reverso. A tensão é alimentada ao dielétrico, o que contribui para a deformação do material. A haste da válvula está conectada a ela, que é capaz de subir se a corrente for alimentada ao bocal.

Piezohoroforsunk, dignidade

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  1. Bicos de alta eficiência.
  2. Reduzindo o ruído no processo de operação do motor.
  3. A capacidade de alterar a pressão da injeção.
  4. Aumentar a velocidade do bocal.

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