Ebumnuche nke usoro CVVT na injin
Nchekwa onwe

Ebumnuche nke usoro CVVT na injin

21.07.2022 /

Iwu gburugburu ebe obibi nke oge a na-amanye ndị na-emepụta ụgbọ ala ka ha mepụta injinia dị elu karịa, mee ka arụmọrụ ha dịkwuo elu ma belata nsị nke ihe ndị na-emerụ ahụ na gas na-ekpochapụ. Ndị na-emepụta ihe na-amụta ijikwa usoro ndị anabatara na mbụ na nkezi imebi ihe. Otu n'ime mmepe dị otú ahụ bụ usoro oge mgbanwe valvụ (CVVT).

CVVT usoro imewe

CVVT (Continuous Variable Valve Timing) bụ usoro oge valvụ na-agbanwe agbanwe na-aga n'ihu na-enye ohere ka cylinders jupụta na ụgwọ ọhụrụ nke ọma. A na-enweta nke a site n'ịgbanwe oge nke oghere na mmechi nke valve oriri.

Sistemu gụnyere sekit hydraulic nke nwere:

  • valvụ nchịkwa solenoid;
  • Ihe nzacha valve;
  • Ụgbọ ala - njikọ hydraulic.
Ebumnuche nke usoro CVVT na injin

A na-etinye ihe niile sistemu n'ime isi cylinder engine. Ekwesịrị ịsacha ma ọ bụ dochie ihe nzacha ahụ kwa oge.

Enwere ike itinye njikọ njikọ hydraulic CVVT na ma ihe oriri na ogwe abụọ nke injin combustion n'ime.

Ọ bụrụ na etinyere ndị na-agbanwe oge na camshafts oriri na iyuzucha, a ga-akpọ usoro oge valvụ a DVVT (Dual Variable Valve Timing).

Ngwa sistemu mgbakwunye gụnyekwara sensọ:

  • Ọnọdụ crankshaft na ọsọ;
  • Ọnọdụ Camshaft.

Ihe ndị a na-eziga akara na injin ECU (nchịkọta njikwa). Nke ikpeazụ na-ahazi ozi ahụ wee wepụta akara na valvụ solenoid, nke na-achịkwa ntinye mmanụ na njigide CVVT.

CVVT clutch imewe

Njikọ hydraulic (ngbanwe nke oge) nwere akara nrịbama na ụlọ ahụ. A na-eji eriri oge ma ọ bụ yinye na-eduzi ya. Ejikọrịrị camshaft ahụ na rotor njikọ mmiri. Ụlọ mmanụ dị n'etiti rotor na ụlọ clutch. N'ihi nrụgide mmanụ nke mgbapụta mmanụ na-emepụta, rotor na crankcase nwere ike ịkwaga n'ebe ibe ha nọ.

Ebumnuche nke usoro CVVT na injin

Njikọ ahụ nwere:

  • rotor;
  • stator;
  • kwụsị pin.

Ntụtụ mkpọchi dị mkpa maka ịrụ ọrụ nke ndị na-agbanwe oge na ọnọdụ mberede. Dịka ọmụmaatụ, mgbe nrụgide mmanụ na-ada. Ọ na-aga n'ihu, na-ekwe ka ụlọ njikọ nke mmiri na rotor mechie n'ime etiti.

VVT akara solenoid valvụ ọrụ

A na-eji usoro a na-edozi mmanụ mmanụ na-egbu oge ma na-aga n'ihu oghere valve. Ngwa nwere ihe ndị a:

  • Mgbapu;
  • Njikọ;
  • Mmiri;
  • Ulo obibi;
  • Valve;
  • Mmeghe maka inye, inye nri na igbapu mmanụ;
  • Asọfe.

Ngalaba njikwa engine na-enye akara, mgbe nke ahụ gasịrị, electromagnet na-ebugharị spool site na plunger. Nke a na-enye ohere ka mmanụ na-aga n'akụkụ dị iche iche.

Kedu ka usoro CVVT si arụ ọrụ?

Ụkpụrụ nke ọrụ nke usoro bụ ịgbanwe ọnọdụ nke camshafts ikwu na crankshaft pulley.

Usoro ahụ nwere ụzọ abụọ nke ọrụ:

  • oghere valvụ dị n'ihu;
  • Ogbu oge na oghere valvụ.
Ebumnuche nke usoro CVVT na injin

N'aga n'ihu

Mgbapụta mmanụ na-emepụta nrụgide n'oge ọrụ nke engine combustion n'ime, nke a na-enye na valvụ CVVT solenoid. ECU na-eji pulse width modulation (PWM) jikwaa ọnọdụ nke valvụ VVT. Mgbe ọ dị mkpa ịgbanwe ụgbọala ahụ gaa n'ihu n'ihu, valvụ ahụ na-emegharị ma mepee ụzọ mmanụ n'ime ụlọ dị n'ihu nke CVVT hydraulic clutch. N'okwu a, mmiri mmiri na-amalite ịmịpụ site na ọnụ ụlọ igbu oge. Nke a na-eme ka o kwe omume ịkwaga rotor na camshaft n'akụkụ ụlọ na ntụziaka na-abụghị ntụgharị nke crankshaft.

Dịka ọmụmaatụ, akụkụ CVVT clutch na-adịghị arụ ọrụ bụ ogo 8. Ma ebe ọ bụ na akụkụ oghere igwe nke valve combustion engine bụ ogo 5, ọ na-emepe n'ezie site na 13.

Lag

Ụkpụrụ ahụ yiri nke a kọwara n'elu, Otú ọ dị, n'oge kacha egbu oge, valvụ solenoid na-emepe ọwa mmanụ na-eduga n'ọnụ ụlọ igbu oge. . N'oge a, CVVT rotor na-agagharị na ntụgharị ntụgharị nke crankshaft.

CVVT mgbagha

Sistemu CVVT na-arụ ọrụ n'ime oke ọsọ injin niile. Dabere na onye nrụpụta, mgbagha arụ ọrụ nwere ike ịdị iche, mana na nkezi ọ dị ka nke a:

  • Idling. Ọrụ nke sistemu ahụ bụ ịtụgharị ogwe ihe oriri ka valvụ oriri na-emepe emepe ma emechaa. Ọnọdụ a na-abawanye nkwụsi ike engine.
  • Nkezi ọsọ injin. Usoro ahụ na-emepụta ọnọdụ etiti nke camshaft, nke na-ebelata oriri mmanụ na ihe ndị na-emerụ ahụ site na gas na-ekpochapụ.
  • Ọsọ engine dị elu. Usoro na-arụ ọrụ iji mepụta ike kachasị. Iji mezuo nke a, ogwe ihe oriri na-atụgharị iji mee ka valves mepee n'oge. Ya mere, usoro ahụ na-eme ka njuputa nke cylinders dị mma, nke na-eme ka arụ ọrụ nke engine combustion dị mma.
Ebumnuche nke usoro CVVT na injin

Otu esi echekwa usoro

Ebe ọ bụ na usoro ahụ nwere nzacha, a na-atụ aro ka ọ dochie oge oge. Nke a bụ ihe ruru kilomita 30. Ị nwekwara ike hichaa nzacha ochie. Onye na-anụ ọkụ n'obi ụgbọ ala nwere ike ijikwa usoro a n'onwe ya. Isi ihe isi ike na nke a ga-achọta nzacha n'onwe ya. Ọtụtụ ndị na-emepụta ihe na-etinye ya na eriri mmanụ site na mgbapụta na valvụ solenoid. Ozugbo a kwasachara ihe nzacha CVVT ma sachaa ya nke ọma, ekwesịrị inyocha ya. Isi ọnọdụ bụ iguzosi ike n'ezi ihe nke ntupu na ahụ.

Biko cheta na nzacha adịghị ike.

Obi abụọ adịghị ya, usoro CVVT bụ iji melite arụmọrụ engine na ụdị ọrụ niile. N'ihi ọnụnọ nke usoro maka ịga n'ihu na nkwụsịtụ oghere nke valvụ ndị na-eri nri, injin ahụ na-abawanye ụba ma na-ebelata nsị nke ihe ndị na-emerụ ahụ. Nke a na-enyekwa gị ohere iwelata ọsọ na-adịghị arụ ọrụ na-emebighị nkwụsi ike ọrụ. Ya mere, usoro a na-eji ndị niile na-emepụta ụgbọ ala na-enweghị isi.

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