Menene ma'anar firikwensin crankshaft na mota?
Firikwensin crankshaft, wanda aka fi sani da firikwensin matsayi na crankshaft, babban firikwensin ne a cikin tsarin sarrafa lantarki na injin. Ana amfani da shi galibi don gano matsayin juyawa na crankshaft, siginar tsakiya ta sama ta piston, da saurin injin, kuma yana ba da mahimman bayanai ga sashin sarrafa injin (ECU) don sarrafa lokacin kunnawa da lokacin allurar mai. Ka'idar aiki na firikwensin crankshaft ya dogara da nau'in sa, wanda galibi ya haɗa da nau'in shigarwar maganadisu-lantarki, nau'in tasirin Hall, da nau'in photoelectric. Nau'in shigarwar maganadisu-lantarki yana samar da sigina ta hanyar shigar da lantarki, nau'in tasirin Hall yana gano matsayi ta amfani da canje-canjen ƙarfin Hall, kuma nau'in photoelectric yana watsa bayanai ta hanyar toshewar ramin haske da canza siginar photoelectric; waɗannan firikwensin galibi suna aiki tare da firikwensin matsayi na camshaft don tantance kusurwar crankshaft da saurin kusurwa daidai, yana tabbatar da daidaiton lokacin kunnawa da allurar mai. Aikinsa yana da mahimmanci, ba wai kawai ƙayyade lokutan kunnawa da allurar mai ba, har ma da nazarin canjin kusurwar crankshaft don gano kuskuren injin da kuma samar da tallafin bayanai don sarrafa rashin aiki da sarrafa fitar da mai. A fannin gyaran motoci, kurakuran da aka saba gani na na'urar firikwensin crankshaft sun haɗa da asarar sigina ko tsangwama, wanda zai iya haifar da matsaloli a lokacin fara injin, rashin aiki mara kyau, ko asarar wutar lantarki; hanyoyin ganowa galibi sun haɗa da duba haɗin wayoyi, siginar fitarwa, ko ƙimar juriyar firikwensin don tabbatar da aiki yadda ya kamata.
Kurakuran da aka saba gani a na'urar firikwensin crankshaft sun haɗa da asarar sigina ko tsangwama, wanda zai iya haifar da matsaloli a lokacin fara injin, rashin aiki mara kyau, ko asarar wutar lantarki; hanyoyin ganowa galibi sun haɗa da duba haɗin wayoyi, siginar fitarwa ko ƙimar juriyar firikwensin don tabbatar da aiki yadda ya kamata.
Rashin nasarar na'urar firikwensin crankshaft zai iya haifar da alamun kamar gazawar injin, rashin wutar lantarki mai rikitarwa da lokacin allurar mai, ƙaruwar girgizar injin da kashe hanzari, da sauransu, kuma ya zama dole a duba a maye gurbinsa da lokaci.
Alamomin farawa da aiki marasa kyau
Rashin nasarar firikwensin crankshaft yana shafar lokacin kunnawa da allurar mai na injin kai tsaye, kuma yana bayyana kamar haka:
Matsalar farawa ko rashin iya farawa: Saboda rashin iyawar na'urar firikwensin wajen samar da siginar matsayi na crankshaft, ECU (na'urar sarrafa injin) ba za ta iya sarrafa kunna wuta da kuma shigar da mai ba, wanda ke haifar da lokacin farawa sama da daƙiƙa 5 ko kuma gazawar kunna wuta da yawa, kuma a cikin mawuyacin hali, wutar lantarki mai ƙarfin lantarki da allurar mai suna yankewa.
Girgizar injin da asarar wutar lantarki:
Rashin aiki mara tabbas: Saurin injin yana canzawa ba tare da tsari ba tsakanin 600-1200 rpm, kuma sautin sitiyarin a bayyane yake.
Rauni wajen gudu: Saurin injin yana da wuya ya wuce rpm 3000 lokacin hawa, kuma bututun hayaki na iya fitar da sautin hayaki ko kuma hayaki mai launin fari (saboda rashin cikakken ƙonewa).
Haɗarin kashe injin yayin tuƙi: Katsewar wutar lantarki kwatsam na iya faruwa yayin tuƙi mai sauri, kuma ECU ɗin ya shiga yanayin kariya kuma ya kashe da ƙarfi, wanda hakan yana da matuƙar haɗari.
Ayyukan tsarin da alamun gargaɗi
Lalacewar tsarin lantarki:
Ayyuka kamar sarrafa jiragen ruwa, dakatar da tashi ta atomatik, da birkin shaye-shaye suna gurgunta kai tsaye.
Hasken matsalar yana kunne ko walƙiya koyaushe, kuma wasu samfura suna kunna ƙararrawa ta haɗin EPS/ABS.
Fitar da hayaki mara kyau da yawan amfani da mai: Ana fitar da hayaki mai launin fari mai wari kamar fetur, na'urar firikwensin iskar oxygen ta ba da rahoton matsalar rashin daidaito a cikin cakuda mai, kuma yawan amfani da mai yana ƙaruwa sosai.
Bambance-bambance a cikin bayyanar tsananin lahani
Ƙaramin Laifi: Motar ba ta da ƙarfi a lokacin da take tuƙi a kan tuƙi, martanin mai saurin gudu yana da rauni, amma ƙarfin aikin ba ya canzawa sosai.
Babban matsala: Ba zai iya farawa gaba ɗaya ba, kuma injin na iya yin ƙarar piston yana buga bawul ɗin (a cikin tsofaffin samfura).
Idan na'urar firikwensin matsayi na injin ta gaza, abin hawa zai nuna alamun kamar kunna wutar lantarki mara kyau, asarar wutar lantarki, ƙaruwar girgiza, da kuma hasken matsalar yana kunne, kamar haka:
Fara aiki mara kyau
Asarar siginar firikwensin zai haifar da rashin tabbas na kunna wuta da lokacin allurar mai, wanda ke bayyana kamar haka:
Wahalar fara sanyi: Yana buƙatar ƙoƙari sau da yawa don kunna wuta, kuma a cikin mawuyacin hali, ba zai iya farawa ba kwata-kwata.
Tsawaita lokacin farawa: Lokacin juyawar injin ya fi tsayi sosai, kuma yana iya samun sautuka marasa kyau.
Matsalolin tuki
Lalacewar tana haifar da rashin daidaito a tsarin wutar lantarki, kuma alamun da aka saba gani sun haɗa da:
Rauni wajen gudu: Amsar hawa ko wucewa yana da jinkiri, kuma dole ne a rage girman fedar mai saurin gudu sosai don ƙara gudu.
Girgizar Rashin Aiki: Injin yana girgiza sosai lokacin da aka ajiye shi, kuma sitiyarin ko wurin zama yana da sautin da ke bayyana.
Fitar hayakin fari: Rashin cikakken ƙonewa yana haifar da fitar da hayakin fari daga bututun hayakin. Yawan amfani da mai yana ƙaruwa: Saboda rashin daidaitaccen tsarin sarrafa allurar mai, ingancin man yana raguwa.
Lalacewar tsarin lantarki
Siginar firikwensin da ba ta dace ba za ta haifar da amsawar sarka:
Fitilar matsalar tana kunne: Fitilar matsalar injin da ke kan dashboard ɗin tana kunne ko kuma tana walƙiya koyaushe.
Lalacewar aiki: Ba za a iya amfani da tsarin sarrafa tafiyar jiragen ruwa da kuma birkin hayaki ba.
Haɗarin kashe injin: Injin na iya kashewa ba zato ba tsammani yayin da yake tuƙi da sauri mai yawa, wanda hakan ke haifar da haɗarin tsaro.
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.
