Firikwensin matsin lamba da yawa.
Tsarin firikwensin matsa lamba da yawa
Saboda akwai da'irar amplifier a cikin firikwensin matsin lamba, yana buƙatar jimillar wayoyi uku na layin wutar lantarki, layin ƙasa da layin fitar da sigina, waɗanda daidai suke da tashoshi uku akan tashoshin wayoyi, bi da bi, tashar wutar lantarki (Vcc). ), tashar ƙasa (E) da tashar fitarwa ta sigina (PIM), da kuma tashoshi uku an haɗa su da kwamfuta mai sarrafa ECU ta hanyar haɗin waya da waya.
Domin rage girgiza na'urorin lantarki na ciki na na'urar firikwensin matsa lamba, yawanci ana sanya shi a wani wuri inda girgizar motar ba ta da yawa, kuma sama da babban iskar da ake sha don hana iskar gas daga ma'aunin da ake amfani da shi daga mamayewa. firikwensin matsa lamba. Bugu da kari, na'urar firikwensin matsa lamba da yawa yana karɓar matsin bututun ci daga ƙasa don hana ɓangaren gano sigina daga gurɓata, don haka iskar gas ɗin bututun da aka tattara daga ma'aunin abin sha kusa da ma'aunin ta hanyar bututun roba yana samun dama daga ƙananan ƙarshen ƙarshen. firikwensin matsa lamba da yawa.
Gano monomer
1. Duban bayyanar
Lokacin dubawa, kawai nemo bututun roba daga ma'aunin abin sha kusa da ƙarshen ma'auni don nemo firikwensin matsi da yawa akan motar. Da farko, tare da rufe makullin kunnawa, duba cewa mahaɗin firikwensin firikwensin igiyar abinci yana da alaƙa da kyau kuma bututun roba yana kashe. Sa'an nan kuma kunna injin don ganin ko bututun roba ba a rufe sosai ba kuma ya zube
2. Gwajin kayan aiki
(1) Kunna maɓallin kunnawa (ON), kuma gwada ƙimar ƙarfin lantarki tsakanin tashar Vcc da E2 tare da tashar wutar lantarki ta DC na multimeter (DCV-20). Ƙimar wutar lantarki ita ce ƙimar ƙarfin wutar lantarki da ECU ta ƙara zuwa firikwensin matsa lamba da yawa. Ya kamata darajar al'ada ta kasance: Tsakanin 4.5 da 5.5V, idan darajar ba daidai ba ce, yakamata ku duba ƙarfin baturi ko haɗin da ke tsakanin wayoyi, wani lokacin ma matsalar na iya kasancewa a cikin ECU mai sarrafa kwamfuta.
(2) Kunna na'urar kunna wuta (ON matsayi), sa'annan ku ciro injin roba daga na'urar firikwensin matsa lamba, ta yadda za a haɗa abin da ake ci na manifold matsi da yanayin, sannan a gwada siginar fitarwa ta ƙarshe. ƙimar wutar lantarki tsakanin PIM da waya ta ƙasa E2), ƙimar al'ada ita ce: Tsakanin 3.3 da 3.9V, idan ƙarfin wutar lantarki ya yi yawa ko kuma ƙasa da ƙasa, yana nuna cewa firikwensin matsa lamba na abun ciki ya yi kuskure kuma yakamata a canza shi.
(3) Kunna na'urar kunna wuta (ON matsayi), cire injin roba tiyo akan firikwensin matsa lamba iri-iri, yi amfani da matsi mara kyau daban-daban (digiri mara nauyi) zuwa shan firikwensin firikwensin manifold tare da famfo mai ɗaukar hoto, kuma gwada gwajin. Ƙimar ƙarfin lantarki tsakanin siginar watsa wutar lantarki ta tashar wayoyi PIM da waya ta ƙasa E2 yayin da ake matsa lamba. Ya kamata darajar wutar lantarki ta haɓaka a layi tare da haɓakar matsa lamba mara kyau, in ba haka ba, yana nuna cewa siginar gano siginar a cikin firikwensin ya yi kuskure kuma ya kamata a maye gurbinsa.
Ina na'urar firikwensin matsa lamba da yawa take?
Na'urar firikwensin matsa lamba shine na'urar firikwensin da aka sanya akan bututun iskar gas, wanda wayoyi uku, daya na 5 volt, daya na 5 volt na hanyar dawowa, wato, layin mara kyau, ɗayan kuma sigina ne. layi don Ecu.
Na'urar firikwensin matsa lamba da yawa shine nau'in firikwensin nau'in firikwensin nau'in D, wato, tsarin allurar mai mai saurin gudu, wanda ke taka rawar mai da canjin matsa lamba a cikin nau'in abin sha zuwa siginar wutar lantarki.
Kwamfuta mai sarrafawa (ECU) tana ƙayyade adadin iskar da ke shiga cikin silinda bisa ga wannan sigina da saurin injin (siginar da aka bayar ta firikwensin saurin injin da aka sanya a cikin mai rarrabawa).
Firikwensin matsa lamba yana gano cikakken matsi na nau'in abin da ake ci a bayan kulli da bawul, kuma yana gano canjin cikakken matsa lamba a cikin ma'auni gwargwadon saurin injin da kaya.
Daga nan sai a juyar da ita zuwa wutar lantarki ta sigina sannan a aika zuwa na’urar sarrafa lantarki (ECU), wacce ke sarrafa ainihin adadin allurar mai gwargwadon girman wannan siginar.
Idan kana son ƙarin sani, ci gaba da karanta sauran labaran kan wannan rukunin yanar gizon!
Da fatan za a kira mu idan kuna buƙatar irin waɗannan samfuran.
Zhuo Meng Shanghai Auto Co., Ltd. ya jajirce don siyar da sassan motoci na MG&MAUXS maraba da siyarwa.
