Menene firikwensin camshaft na mota
Na'urar auna matsayi ta Youdaoplaceholder0 Camshaft (CPS) na'ura ce da ake amfani da ita don tattara siginar matsayin camshaft kuma galibi ana amfani da ita a tsarin sarrafa injin. Manyan ayyukanta sun haɗa da shigar da siginar matsayin camshaft zuwa sashin sarrafa lantarki (ECU) don tantance lokacin kunnawa da allurar mai, yana taimaka wa ECU gano cibiyar matsewa ta saman silinda 1 don cimma ikon sarrafa allurar mai a jere, sarrafa lokacin kunnawa da kuma sarrafa cirewar wuta .
Wurin shigarwa
Yawanci ana sanya na'urar firikwensin camshaft a ƙarshen gaban murfin camshaft, tana fuskantar gaban camshafts ɗin shiga da fitar da hayaki. Wannan shigarwar tana tabbatar da cewa na'urar firikwensin tana kama siginar matsayin camshaft daidai kuma tana aika ta zuwa ECU.
Ka'idar aiki
Na'urorin firikwensin Camshaft suna amfani da tasirin magnetoelectric ko tasirin Hall don gano matsayi da saurin juyawa na camshaft. Misali, na'urar firikwensin matsayi na camshaft magnetoelectric tana ƙididdige matsayi da saurin camshaft ta hanyar gano canje-canje a cikin wutar lantarki da aka haifar a cikin na'urar firikwensin da kayan maganadisu ke samarwa yayin da camshaft ke juyawa .
Hanyar ganewar laifuffuka
Lokacin da kake duba na'urar firikwensin camshaft, za ka iya tantance ko yana aiki yadda ya kamata ta hanyar cire filoginsa da kunna maɓallin kunnawa, da kuma amfani da alkalami na fitilar gwaji don gwada wayoyi uku (wayar wutar lantarki, wayar sigina da wayar ƙasa). Idan ƙarfin siginar ya bambanta tsakanin volts 0 da 5, na'urar firikwensin tana aiki yadda ya kamata. In ba haka ba, na'urar firikwensin na iya lalacewa .
Matsalar firikwensin camshaft na mota galibi tana bayyana a matsayin farawa mai wahala, saurin aiki mara tabbas, saurin gudu mai rauni, ƙaruwar amfani da mai, hasken lalura koyaushe yana kunne , kuma yana iya kasancewa tare da girgiza injin, girgiza, tsayawar mota mai zafi, da sauransu. Waɗannan alamun suna faruwa ne sakamakon siginar firikwensin da ba ta dace ba, waɗanda ke hana ECU sarrafa daidai lokacin kunna wuta da allurar mai, wanda hakan ke shafar aikin injin gaba ɗaya.
Abubuwan da Youdaoplaceholder0 ke nunawa game da gazawar Core
Youdaoplaceholder0 Wahala wajen farawa : Saboda matsalar lokacin kunna wuta, yana iya ɗaukar ƙoƙari da yawa don farawa ko kuma ya kasa farawa kwata-kwata. A wasu lokuta, ana nuna juyawar juyawar crankshaft da kuma juyawar ...
Youdaoplaceholder0 Rashin kwanciyar hankali na IDLE : Girgizar injin ba ta dace ba, canjin saurin injin a bayyane, kamar silinda da ta ɓace, kuma a cikin mawuyacin hali yanayin jan ƙafa.
Youdaoplaceholder0 Rashin daidaituwa mai ƙarfi :
Rashin saurin gudu da kuma jinkirin amsawa, yanayin na iya ƙara muni sama da 2500rpm
Akwai wata irin girgiza yayin tuki, musamman lokacin da ake gudu ko rage gudu
Youdaoplaceholder0 Faduwar tattalin arziki :
Yawan man fetur ya karu da kashi 10%-30% saboda gazawar sarrafa yawan man fetur
Haɗarin hayaki yana lalacewa, bututun hayaki sau da yawa yana ɗauke da hayaki baƙi
Gargaɗin Laifi na Youdaoplaceholder0 : Fitilar lalacewar injin tana kunne, kuma tsarin OBD yawanci yana rubuta lambar jerin P0340-P0344.
Youdaoplaceholder0 Alamomin da haɗari da aka samo
Youdaoplaceholder0 Injin yana tsayawa : Injin zai iya tsayawa ba zato ba tsammani bayan ya yi zafi kuma yana buƙatar sake kunna shi don ya yi aiki
Youdaoplaceholder0 Lalacewar sassan : Lalacewar dogon lokaci zai hanzarta lalacewar sassan kamar pistons da bangon silinda, yana rage tsawon rayuwar injin
Youdaoplaceholder0 Haɗarin Tsaro : Katsewar wutar lantarki ko iyakancewa yayin tuƙi (yanayin rage gudu) yana ƙara yiwuwar haɗurra kwatsam .
Na'urori masu auna matsayi na camshaft na mota yawanci suna da ɗaya ko biyu, ya danganta da tsarin injin.
Adadin na'urori masu auna matsayi na camshaft a cikin motoci ya bambanta dangane da ƙirar injin da buƙatun aiki, kuma galibi an raba su zuwa waɗannan yanayi biyu:
Tsarin firikwensin Youdaoplaceholder0
Ana ganinsa a cikin injuna ko tsarin asali waɗanda ke yin sarrafa lokaci mai canzawa kawai akan bawuloli na shiga (kamar wasu samfura da ke amfani da fasahar VVT). Yawanci ana sanya firikwensin a ƙarshen gaban camshaft na shiga kuma ana amfani da su don samar da babban siginar sarrafawa don sarrafa kunnawa ga ECU.
Misali: Wasu samfuran abin hawa suna daidaita lokacin bawul ɗin shiga ta hanyar firikwensin guda ɗaya kawai, yayin da bawul ɗin shaye-shaye ke nan a tsaye.
Tsarin Youdaoplaceholder0 Mai haɗa firikwensin biyu
Ana ganinsa a cikin tsarin da ke sarrafa lokacin canzawa na bawuloli masu shiga da fitarwa (kamar fasahar VVT guda biyu). Na'urori masu auna sigina guda biyu suna daidai da shaft ɗin shigarwa da fitarwa don cimma daidaitaccen daidaitawar lokaci.
Misali, injin EA888 na ƙarni na uku ya yi amfani da na'urori masu auna sigina guda biyu (ɗaya don ɗaukar kaya da ɗaya don shaye-shaye).
Takaitaccen Bayani na Youdaoplaceholder0 :
Adadin na'urori masu auna firikwensin yana da alaƙa da sarkakiyar fasaha ta injin. Samfura na asali galibi suna da na'urar auna firikwensin guda ɗaya, yayin da samfuran da suka yi fice ko kuma waɗanda suka yi aiki mai kyau suka fi ɗaukar biyu.
Wanda kuma aka sani da "na'urar firikwensin siginar synchronous" ko "Na'urar nuna bambanci da matsayi ta silinda", babban aikin duka biyun shine isar da bayanan matakin camshaft zuwa ECU.
Dole ne matsayin shigarwa ya kasance kai tsaye a gaban ƙafafun sigina; in ba haka ba, ba za a iya cimma ingantaccen tattara bayanai ba.
"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.
