Ọrụ ihe mmetụta ụgbọala
Isi ọrụ nke ihe mmetụta nkụgharị ụgbọala bụ ịchọpụta ihe na-eme na injin ahụ, ma gbochie nkụgharị ahụ site n'ịgbanwe Angle nke na-eme ka ọkụ gbapụta, ka e wee chebe injin ahụ pụọ na mmebi.
Ihe mmetụta nkụgharị na-agbanwe mkpọtụ igwe nke injin ahụ ka ọ bụrụ akara eletriki nke a na-ebuga na ngalaba njikwa eletrọniki (ECU). ECU na-agbanwe Angle mmalite nkụgharị dịka akara anatara si dị iji zere ihe na-eme ka mgbawa na-aga n'ihu. Ihe mmetụta nkụgharị na-ejikarị teknụzụ seramiiki piezoelectric. Mgbe injin ahụ na-ama jijiji, a na-akpọchi seramiiki ahụ ma gbanwee ya iji mepụta akara eletriki, nke a na-ebuga na ECU site na waya kpuchiri ekpuchi maka nhazi.
Ụkpụrụ ọrụ nke ihe mmetụta knock na-adabere na mmetụta piezoelectric, mgbe injin ahụ kụrụ, a na-apịa seramiiki piezoelectric dị n'ime ihe mmetụta ahụ, na-emepụta akara eletriki. A na-eziga akara ndị a na ECU, nke na-agbanwe Angle mmalite ọkụ dabere na data echekwara iji gbochie ịkụ aka. Na mgbakwunye, ihe mmetụta knock nwere ike ịchọpụta ọsọ na ọnọdụ nke injin ahụ, na-enye ọtụtụ ozi iji nyere aka mee ka arụmọrụ injin dịkwuo mma.
A na-etinyekarị ihe mmetụta nkụnye aka n'ebe a kapịrị ọnụ n'ime blọk injin ahụ, dịka n'etiti silinda abụọ na atọ nke igwe silinda anọ ma ọ bụ n'etiti silinda 1 na 2 na silinda 3 ma ọ bụ 4. Ọnọdụ nrụnye ya na-eme ka o kwe omume ijide obere mkpọtụ na mkpọtụ injin ahụ.
Ọ bụrụ na ihe mmetụta nkụchi akụghị, ọ bụ ezie na ọ gaghị eme ka injin ahụ daa, ọ ga-akpata nsogbu dịka mkpọtụ injin, mbelata ike, mmebi akụ na ụba mmanụ ụgbọala, na ọkụ ntụpọ. Ya mere, ọrụ kwesịrị ekwesị nke ihe mmetụta nkụchi akụghị dị oke mkpa maka arụmọrụ injin.
Ihe mmetụta mkpọgharị ụgbọala bụ ngwaọrụ etinyere na blọk injin, nke a na-ejikarị achọpụta mkpọgharị injin ahụ. E nwere ọtụtụ ụdị ihe mmetụta mkpọgharị, nke kachasị na ya gụnyere magnetostrictive na piezoelectric seramiiki.
Ụdị na nhazi nke ihe mmetụta kụọ aka
Magnetostrictive : nwere isi magnet, magnet na-adịgide adịgide na eriri induction. Mgbe injin ahụ na-ama jijiji, isi magnet ahụ na-agbanwe, nke na-eme ka mgbanwe na mgbanwe magnet na eriri induction gbanwee, na-ebute ike electromotive nke na-akpalite .
seramiiki piezoelectric : Mgbe injin ahụ mawara jijiji, a na-apịachi seramiiki dị n'ime ya iji mepụta mgbaàmà eletriki. Ebe ọ bụ na mgbaàmà ahụ adịghị ike, a na-ejikarị waya kpuchie eriri njikọ ahụ.
piezoelectric resonance : etinyere n'elu akụkụ ahụ injin ahụ, iji mmetụta piezoelectric gbanwee mkpọtụ mekaniki ka ọ bụrụ akara eletriki. Mgbe ugboro mkpọtụ knockout kwekọrọ na ugboro eke nke sensọ ahụ, ihe na-eme resonance ga-eme, a ga-ewepụtakwa voltaji akara knock dị elu na ECU, dịka ECU si dị ga-agbanwe oge mgbanye ọkụ iji zere ịkụ aka .
Otu ihe mmetụta aka si arụ ọrụ
Ihe mmetụta knock na-ahụ mkpọtụ na ụda nke injin ahụ ma na-agbanwe ha ka ha bụrụ akara eletriki nke a na-eziga na ngalaba njikwa injin (ECU). ECU na-agbanwe Angle advance ignition dịka akara natara si dị iji gbochie mgbawa. Ụkpụrụ ọrụ kpọmkwem bụ dị ka ndị a:
Magnetostriktiv: ịma jijiji injin na-eme ka isi magnet gbanwee, na-agbanwe mgbanwe magnetik na induction coil, na-ebute ike electromotive nke na-akpalite.
seramiiki piezoelectric : mgbe injin ahụ manyere, a na-apịa seramiiki piezoelectric iji mepụta akara eletriki, ECU na-agbanwe oge ọkụ ahụ dịka akara ngosi si dị.
Ụdị resonance piezoelectric : mgbe ugboro mkpọtụ knock malfunction kwekọrọ na ugboro eke nke ihe mmetụta ahụ, ihe resonance na-eme, a na-ewepụtakwa voltaji akara knock dị elu na ECU.
Ọrụ nke ihe mmetụta kụọ aka na ụgbọala
Isi ọrụ nke ihe mmetụta knock bụ ịtụle ogo jitter nke injin ahụ. Mgbe injin ahụ mepụtara knock, a na-ebufe mgbaàmà eletriki na ECU, ECU na-agbanwekwa Angle mmalite ọkụ eletrik dịka o kwesịrị iji gbochie knock ọzọ. Knock nwere ike ibute mmebi injin, yabụ knock sensọ na-arụ ọrụ dị mkpa n'ichebe injin ahụ .
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