Menene firikwensin crankshaft na mota
Na'urar firikwensin matsayi na crankshaft babban firikwensin ne a cikin injunan motoci da ake amfani da su don gano matsayi, saurin crankshaft da siginar tsakiya ta sama ta piston. Siginar sa tana sarrafa lokacin kunna wuta da lokacin allurar mai kai tsaye, tana tabbatar da ingantaccen aiki da kwanciyar hankali na injin.
Babban aikin
Gano matsayin crankshaft: Ta hanyar motsin haƙoran diski na siginar da kan maganadisu, ana samar da siginar bugun jini don tantance matsayin piston (70° kafin tsakiyar matacce na sama).
Kula da saurin injin: Lissafa yawan man da ke yawo a cikin injin sannan ka taimaka wa ECU wajen daidaita girman man da aka saka da kuma kusurwar da ke ci gaba da kunna wuta.
Gano jerin silinda da kuma sa ido kan yadda wuta ke tashi: Ana samun gano jerin silinda ta hanyar bambancin mataki na siginar bugun jini (kamar 90°), kuma ana gano abubuwan da ke faruwa a lokacin da wuta ba ta tashi ba.
Nau'ikan da aka fi sani
Nau'in bugun maganadisu na Youdaoplaceholder0 : Yana samar da ƙarfin lantarki mai canzawa ta hanyar canza filin maganadisu, kamar tsarin Nissan da Toyota.
Tsarin tasirin Youdaoplaceholder0 Hall : Ta hanyar gano canje-canje a filin maganadisu ta cikin abubuwan zauren, ana fitar da siginar dijital.
Nau'in Youdaoplaceholder0 photoelectric : Yana samar da sigina ta hanyar dogaro da toshewar hanyar gani kuma ba a amfani da shi sosai.
Wurin shigarwa
Injin dizal: Ana sanya shi galibi a kan gidan flywheel ko famfon samar da kayayyaki.
Injin mai: Ana samunsa a cikin mai rarrabawa (kamar a cikin tsarin TCCS na Toyota) ko kusa da injin tashi.
Bayyanar Laifi
Injin yana da wahalar kunnawa, girgiza ko tsayawa.
Tattalin arzikin mai ya ragu kuma hayakin da ke fitarwa ya wuce misali.
Babban aikin firikwensin crankshaft na mota (wanda kuma aka sani da firikwensin matsayi na crankshaft ko firikwensin saurin injin) shine gano matsayin crankshaft, saurin injin da siginar tsakiya ta piston, sannan a aika waɗannan bayanai zuwa sashin kula da injin (ECU) don sarrafa daidai lokacin kunnawa, lokacin allurar mai da jerin allurar mai, tabbatar da ingantaccen aiki da kwanciyar hankali na injin.
Babban aikin
Na'urar firikwensin crankshaft wani muhimmin bangare ne na tsarin sarrafa lantarki na injin. Manyan ayyukanta sun hada da:
Youdaoplaceholder0 Gano matsayin crankshaft da kusurwar juyawa : Kula da kusurwar juyawar crankshaft a ainihin lokaci, ƙayyade takamaiman matsayin piston a cikin silinda, kuma samar da siginar tunani don kunna wuta da lokacin allurar mai zuwa ECU.
Youdaoplaceholder0 yana auna saurin injin : A matsayin na'urar firikwensin gudu, yana shigar da siginar gudu cikin ECU don daidaita ƙarar allurar mai da kuma kusurwar ci gaba da kunnawa, yana guje wa rashin isasshen allurar mai ko jinkirin kunna wuta.
Youdaoplaceholder0 Gano matsayin cibiyar matattun saman piston : Gano lokacin da piston ya isa tsakiyar matattun saman (musamman tsakiyar matattun saman silinda ta farko), taimaka wa ECU wajen cimma nasarar allurar mai da kuma nuna bambancin jerin silinda, da kuma tabbatar da daidaitaccen tsarin aiki na kowace silinda.
Youdaoplaceholder0 yana tallafawa ikon sarrafawa na taimako : yana shiga cikin ƙananan tsarin kamar sarrafa saurin aiki da kuma sarrafa fitar da mai, kuma yana tantance rashin wutar injin ta hanyar lura da canjin kusurwar crankshaft, inganta ingancin ƙonewa da rage hayaki.
Ka'idar aiki da nau'ikan
Na'urori masu auna sigina na crankshaft suna cimma ayyukansu ta hanyar canza siginar jiki. Nau'ikan da aka saba amfani da su sun haɗa da:
Nau'in bugun maganadisu na Youdaoplaceholder0 : Yana samar da siginar raƙuman sinusoidal ta hanyar haifar da canjin filin maganadisu ta hanyar faifan sigina. Yana da ƙarancin farashi amma yana da sauƙin shiga tsakani.
Nau'in zauren Youdaoplaceholder0 : Yana fitar da siginar raƙuman murabba'i ta hanyar ruwan jan ƙarfe, yana buƙatar wutar lantarki ta waje, kuma siginar fitarwa tana da karko kuma saurin juyawa ba ya shafar ta.
Nau'in lantarki na Youdaoplaceholder0 : Ana samar da ƙarfin bugun jini ta hanyar watsawa ta cikin ramin haske, tare da daidaito mai yawa amma tabon mai yana iya shafar shi cikin sauƙi.
Duk nau'ikan suna buƙatar yin aiki tare da na'urar firikwensin matsayin camshaft don tabbatar da sigina masu dacewa.
Tasirin laifuffuka
Matsalolin firikwensin na iya haifar da:
Idan hasken injin ya kunna, yana nuna wahalar kunnawa, rashin isasshen ƙarfi ko rashin iya kunnawa.
Rashin isasshen lokacin kunna wuta da kuma lokacin shigar da mai yana rage yawan amfani da mai da kuma ƙara fitar da hayaki.
Dalilan da ke haifar da kurakurai sun haɗa da tsufan da'irar, na'urori masu auna datti ko rashin kyawun shigarwa (tsarin sharewa na yau da kullun shine 0.2-0.4mm).
Idan kana son ƙarin bayani, ci gaba da karanta sauran labaran da ke wannan shafin!
Don Allah a kira mu idan kuna buƙatar irin waɗannan kayayyaki.
Kudin hannun jari Zhuo Meng Shanghai Auto Co., Ltd. ta kuduri aniyar sayar da MG&MAXUSsassan mota maraba siya.
