Matsayin na'urar firikwensin Camshaft.
Matsayin firikwensin matsayi na camshaft mota:
1, firikwensin matsayi na camshaft shine tattara siginar camshaft dynamic Angle, da shigar da na'urar sarrafa lantarki (ECU), don ƙayyade lokacin kunnawa da lokacin allura, don haka ana samun ci da shayewa;
2, don aiwatar da tsarin sarrafa allurar mai, sarrafa lokacin ƙonewa da sarrafa lalata. Bugu da kari, ana amfani da siginar matsayi na camshaft don gano lokacin kunnawa na farko lokacin da injin ya fara. Saboda firikwensin matsayi na camshaft zai iya gano abin da piston Silinda ke gab da isa TDC, ana kiran shi firikwensin gano silinda;
3, tsarin da ka'idar aiki na firikwensin matsayi na camshaft da firikwensin matsayi na crankshaft iri ɗaya ne, kuma yawanci ana shigar da su tare, amma matsayi na kowane samfurin ya bambanta, amma dole ne a shigar da shi a matsayin madaidaicin dangantakar watsawa tare da crankshaft, kamar crankshaft, camshaft, flywheel ko mai rarrabawa;
4, kawai amfani da crankshaft firikwensin ECU tsarin yana da tsari na musamman don rarrabe ƙonewa, don rarrabe jerin ƙonewar Silinda, ya bambanta da hanyar amfani da na'urori masu auna firikwensin guda biyu wato, mashahurin batu shine "ƙidaya", crankshaft. yana gudanar da "1-3-4-2" a cikin ƙayyadadden adadin juyi. Don haka shirin zai iya "ƙidaya" nau'ikan silinda na harbe-harbe daban-daban a kusurwar crankshaft iri ɗaya, don haka firikwensin guda ɗaya ya isa.
Firikwensin matsayi na Camshaft kuma ana san shi da firikwensin gano silinda, don bambanta daga firikwensin matsayi na crankshaft (CPS), firikwensin matsayi na camshaft gabaɗaya CIS yana wakilta. Ayyukan firikwensin matsayi na camshaft shine tattara siginar matsayi na camshaft bawul da shigar da shi zuwa ECU, ta yadda ECU za ta iya gano babban cibiyar Silinda 1 matsawa, don aiwatar da sarrafa allurar man fetur, lokacin kunnawa. sarrafawa da deflagging iko. Bugu da kari, ana amfani da siginar matsayi na camshaft don gano lokacin kunnawa na farko lokacin da injin ya fara. Saboda firikwensin matsayi na camshaft zai iya gano abin da piston Silinda ke shirin isa TDC, ana kiran shi firikwensin gano silinda.
Camshaft firikwensin mummunan aiki
01 Wahalar fara abin hawa
Wahalar fara abin hawa shine bayyanannen kuskuren firikwensin camshaft. Firikwensin matsayi na camshaft yana ƙayyade jerin kunna wuta na injin. Lokacin da ya kasa, jerin wutar lantarki ya ɓace, yana sa injin ya fara da wahala kuma wani lokacin ba ya farawa kwata-kwata. Wannan yanayin ba kawai yana rinjayar aikin farawa na abin hawa ba, har ma yana iya haifar da ƙarin lalacewa ga injin. Saboda haka, da zarar an gano cewa abin hawa yana da wahalar farawa, yakamata a bincika ko firikwensin camshaft yana aiki da kyau da wuri-wuri.
02 Rashin ƙarfi na hanzari
Rashin iya hanzarin motar wata alama ce a fili ta lalacewar firikwensin camshaft. Lokacin da firikwensin camshaft ya kasa, ECU ba zai iya gano daidai canjin matsayin camshaft ba. Wannan zai shafi tsarin ci gaba da shaye-shaye na injin, wanda zai haifar da raguwa a cikin ci da shayarwar tsarin da ke kusa. Saboda waɗannan mahimman abubuwan ba sa aiki yadda ya kamata, motar za ta fuskanci gajiya yayin hanzari, musamman idan gudun bai wuce 2500 RPM ba.
03 Ƙara yawan man fetur
Ƙara yawan man fetur shine bayyanannen bayyanar gazawar firikwensin camshaft. Lokacin da firikwensin camshaft ya yi kuskure, tsarin mai na kwamfuta na abin hawa zai iya zama hargitsi, yana haifar da bututun ƙarfe ko injector don fesa mai cikin tsari. Wannan yanayin alluran da ya rikice ba kawai yana ƙara yawan man fetur ɗin abin hawa ba, har ma yana iya haifar da saurin injin ɗin ya kasa ingantawa, kuma motar ta bayyana rauni. Sabili da haka, idan an sami karuwa mai yawa na yawan man fetur na abin hawa, yana iya zama alamar cewa firikwensin camshaft ba shi da kyau.
04 Laifin abin hawa
Hasken laifin abin hawa yawanci yana nufin cewa na'urori masu auna firikwensin na iya yin kuskure. Musamman lokacin da firikwensin matsayi na camshaft ya lalace, wannan lamarin ya fito fili. Camshaft firikwensin yawanci na'urori masu auna firikwensin Hall guda uku ne, gami da igiyoyin wutar lantarki 12v ko 5v, igiyoyin sigina da igiyoyin lapping. Lokacin da aka ciro filogi kuma aka kunna injin, idan babu fitarwar sigina tsakanin layin siginar da layin tushe, wannan yawanci yana nufin cewa firikwensin ya lalace. A wannan yanayin, akwai yuwuwar hasken lalacewar abin hawa ya kunna don tunatar da direban ya gudanar da cikakken bincike.
05 Jiki yana girgiza ba al'ada ba
Girgizawar jiki mara kyau alama ce ta gazawar firikwensin camshaft. Lokacin da aka sami matsala tare da firikwensin camshaft, sashin kula da injin na abin hawa ba zai iya karanta daidai yanayin aikin injin ba, yana haifar da rashin kwanciyar hankali da aikin injin da kuma girgiza jiki mara kyau. Wannan jitter yawanci ya fi bayyana lokacin da abin hawa ke hanzari ko raguwa. Don tabbatar da amincin tuƙi, da zarar an sami irin waɗannan matsalolin, ya kamata a gudanar da binciken kwararru da kulawa cikin lokaci.
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.
