Erta yoki undan keyingi yondirilish usullari

Mutaxassis va dvigatelning normal ishlashi yonish lahzasini belgilashning to'g'riligiga bog'liq. Shuning uchun ushbu tadbir elektr stantsiyasini sozlash bo'yicha eng muhim jarayonlardan biridir. Aslida, darhol avtoturarmaning ishlashiga salbiy ta'sir ko'rsatishi mumkin. Shuning uchun, bu operatsiya kech yoki erta yonishning oldini olish uchun maxsus triklash va e'tibor bilan bog'liq bo'lishi kerak. Bu haqda maqolada.

Avtomatik, qurilma va printsipga e'tibor berish

Gaziatsiya tizimining maqsadi benzinli dvigatelining havo yoqilg'ining yonishi haqidagi o'limi. Aralashmaning yonishi uchqundan amalga oshiriladi, shuning uchun boshqa tizim, shuningdek, Spark-reyting tizimi deb nomlanadi. Agange jarayonini boshqarish usuliga qarab, ateşleme tizimlari - elektron (mikroprosessor), aloqada bo'lmagan (tranzistor), kontaktlar mavjud.

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Kontakt tizimida to'planishni boshqarish tizimi, shuningdek, silindrlar ustidan elektr energiyasini taqsimlash mexanik qurilma - distribyutorning distribyutori yordamida amalga oshiriladi. Ushbu ateşentsiya tizimining keyingi rivojlanishi tranzistor aloqa tizimi, yonish tugmachasini o'z ichiga olgan birlamchi zanjir edi.

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Aloqa tizimiga nisbatan, kontaktsiz yondashuv tizimida, tranzistor kaliti aloqasiz pulse sensori bilan o'zaro ta'sir qiladigan energiya to'plashni boshqarish uchun ishlatiladi. Ushbu tizimdagi tranzistor kalitionni buzuvchi rolini o'ynaydi. Yuqori kuchlanish oqimining taqsimlanishiga kelsak, u mexanik distribyutor yordamida amalga oshiriladi.

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Elektron boshqaruv birligi elektr energiyasini to'plash va taqsimlash nazorati olib boriladi. Ushbu tizimning dastlabki tuzilmalarida, bir vaqtning o'zida yoqilg'i in'ektsiya tizimini va ateşleme tizimini (elektron lashim va in'ektsiya deb atash deb atash) bilan bir vaqtda elektron blok. Bugungi kunga qadar yonish boshqarmasi dvigatelni boshqarish tizimiga kiritilgan.

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Biroq, tarkibiy farqlarga qaramay, siz qo'shma shamollatish tizimini tanlashingiz mumkin:

  1. Spark vilkasi.
  2. Yuqori kuchlanishli simlar.
  3. Energiyani taqsimlash moslamasi (elektron boshqaruv birligi yoki mexanik distribyutor).
  4. Energiyani saqlash (i.e ga yoqish zimmasi).
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  5. Energiya to'planishini boshqaradigan qurilma (turli yonish tizimlarida, bu rol elektron boshqaruv birligi, tranzistor almashtirish yoki o'zaro bog'liqlikni amalga oshiradi).
  6. Ateşleme kaliti.
  7. Elektr ta'minoti (batareya va avtomobil generatori).

Geganing tizimining ishlashi quyidagi bosqichlarni ta'minlaydi:

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  1. Elektr energiyasini to'plash.
  2. Energiya konversiyasi.
  3. Ushbu energiyani taqsimlash.
  4. Uchqunlarning shakllanishi.
  5. Havo yoqilg'isi aralashmasining yallig'lanishi.

Erta va keyinchalik yonish nima degani

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Erta yonish, pistonning pozitsiyasiga kelguniga qadar dizel yoqilg'isining yonishi tugashi bilan ajralib turadi. Loop ichidagi maydon, salbiy ish bilan bog'liq bo'lgan ekvivalent hisoblanadi. Va bu gazlarning siqilishi paytida yonish jarayoni, uning kengayishidan keyin paydo bo'lgandan ko'ra ko'proq kuch sarflaganligi sababli.

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Keyinchalik ateşleme - bu ertadan kamroq xavflidir. Uning asosiy xususiyati shundaki, aralashmaning yonish protsedurasi baland ovoz ostida va tsilindrda bosim darajasida amalga oshiriladi. Bunday vaziyatda, silindrli izlar uzatilgan jarayonda aralashma.

Erta yonish belgilari

  1. Haddan tashqari portlash (novdalar, piston nuqsonlarini yo'q qilish).
  2. Quvvat birligida yaxshi ovozli taqillatilgan (ko'tarilgan kiyim).
  3. Yoqilg'i sarfini ko'paytirish.
  4. Quvvat yo'qotish (ayniqsa kichik inqiloblarda sezilarli).

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Kechikkanlik belgilari

  1. Dvigatel qizdirish (uni kuchaytirishi mumkin).
  2. Yoqilg'i sarfini ko'paytirish.
  3. Yomon boshlanish (natijada batareya azoblanadi).
  4. Quvvat yo'qotish.

Yonish burchagi, yonishning tartibsiz burchagi belgilari

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  1. Portlash.
  2. Karbonatorda yoki salfonda tortishish.
  3. Haddan tashqari qizib ketish.
  4. Gaz pedaliga bosilganda cho'kadi.
  5. Zaif bo'sh.
  6. Quvvat darajasini pasaytirish va pikap.
  7. Yoqilg'i sarfini ko'paytirish.
  8. Boshlanish bilan bog'liq muammolar.

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Avant burchagi o'zgarishi, bu noto'g'ri ateşleme bilan avtomobilning ishlashining oqibatlari

Juda erta yoki keyinchalik ateşleme - bu dvigatelning normal ishlashi tugallanganligi simptomidir. Motor kerakli kuchni berish uchun silindrning uchquni silindrda siqilgan holda siqilgan butunlay mustahkamlikning butun kuchi maksimal darajada ishlatilishi mumkin.

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Agar siz keraksiz vaqtni keraksiz ravishda oldingizda yuborsangiz, muvofiqlik inobatga olinmasa yoki juda erta (bu holda, energiyaning ma'lum bir qismi pistonning ma'lum bir qismi) yoki juda kech (bu holatda ma'lum bir qismi) Energiya egzoz quvuri tomonidan chiqariladi). Shu sababli, mashina egasi erta va kechakni atdirlik alomatlari, shuningdek ushbu hodisaning paydo bo'lishining oldini olishga majburdir.

Atish jarayoni qanday bo'lishi kerak va burchakni bo'sh joyni sozlashi kerak

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Avans Avans burchagi maqbul bo'lishi kerak, ya'ni erta emas va kech emas. Ichki yoqish lahzasini sozlash quyidagicha (dvigatel, bir vaqtning o'zida isitilishi kerak):

  1. Trimer tanasini tuzatadigan yong'oqni zaiflashtiring, shundan keyin u asta-sekin turli tomonlarga aylana boshlaydi.
  2. Motor parborotini maksimal darajada amalga oshiradigan holatda, siz "to'lashga" harakat qilishingiz kerak. Agar pedalning keskin bosish paytida hech qanday zarba, paxta va uzilishlar bo'lmaydi va ayozlar tez tezlashadilar, bu kerakli pozitsiya topilishini anglatadi.
  3. Shu nuqtada, bir yoki ikki daraja soat yo'nalishi bo'yicha bir yoki ikki darajani tekshiring va keyin uni ushlab turuvchini mahkamlang. So'nggi elementni yoqish juda "erta" emasligini ta'kidlash kerak, natijada bu krankshrafning aylanishiga haddan tashqari qarshilik paydo bo'ladi.

Siz foydalanadigan stroboskop

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Avtoulov strobi asosiy maqsadi yonish avans burchagini sozlashdir. Bundan tashqari, stroboskoplar oldinga burchakni tekshirish uchun ishlatiladi. Bizning zamonamizda biz professional avtomobilsozlik stroboskoplari ko'p turamiz. Biroq, o'zini o'zi tayyorlamaydigan qurilma tuzilishi mumkin.

Strobe uchun yoqish, bosqichma-bosqich ko'rsatma

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  1. Birinchidan, "13" tugmachasini bosib, biz yonish tarqalishidagi cho'zish yong'og'ini susaytirishimiz kerak.
  2. Keyin, biz batareyani batareyaga "plyus" terminaliga ulaymiz (ortiqcha belgi bilan) va biz "minus" terminaliga massani bog'laymiz.
  3. Agar tizim vakuumning takroriy regulyator bo'lsa, bu siz vakuum shlangini qismlarga ajratish kerakligini anglatadi.
  4. Keyin qurilmadan kasri chiroqiga e'tibor qaratishingiz kerak.
  5. Endi elektr stantsiyasi ishga tushirilishi va daqiqada taxminan 820-900 insultlar sonini ta'minlash kerak.
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  6. Ish jarayonida strobe ushbu chastotada flesh chiroqlarni chiqaradi, bu sizga harakatlanmaydigan kasrga qarab turishga imkon beradi.
  7. Shundan so'ng, kassirda o'rtacha diniga teng bo'lgan tartibda dispenser korpusini o'rash kerak.
  8. Xo'sh, qilish kerak bo'lgan oxirgi narsa - bu dispenserning uzluksiz yong'og'ini mahkamlash.

Boshqaruv chiroqiga ateşleme o'rnatish

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  1. Biz krankshrafni kasr yorlig'i bilan belgilangan yorliqqa to'g'ri keladigan tarzda aylantiramiz va ateşlementsiya operatori birinchi tsilindrning yuqori kuchlanishli simini ko'rsatdi.
  2. Keyinchalik siz trimmer tanasini tuzatadigan yong'oqni zaiflashtirishingiz kerak.
  3. Keyin Boshqarish chiroqining bir simlari simga ulangan, bu qulevner va boshqa birovning yonidagi "massa" dan "boshqa" dan "massa" ga o'tadi.
  4. Ateşleme qo'shganingizga ishonch hosil qiling.
    bitaya-102x3911
  5. Shundan so'ng, karderning zanjirini soat yo'nalishi yo'nalishi yo'nalishi bilan aylantiring.
  6. Keyin sekin kauchukni boshqa tomonga, ya'ni soat miliga teskari tomonga burang.
  7. Boshqarish chiroqining yonishi qayerdan burilgan karverning o'rnini tuzating.
  8. Dispenserning mahkamlashiga to'sqinlik qilish.

Dvigatelning ishlashi nuqtai nazaridan Spark-da yoqilgan

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  1. Biz krankshrafni kasr yorlig'i bilan belgilangan yorliqqa to'g'ri keladigan tarzda aylantiramiz va ateşlementsiya operatori birinchi tsilindrning yuqori kuchlanishli simini ko'rsatdi.
  2. Keyinchalik, yong'oqni buzish bilan bog'liq yong'oqni susaytirishingiz kerak.
  3. Tumber qopqog'idan markaziy yuqori kuchlanishli simni olib tashlang va uning kontaktining massas massasidan besh millimetr masofada joylashgan.
  4. Yoqishni yoqing.
    bitaya-102x3911
  5. Vaqt-soatlik burilish jismini yigirma darajaga aylantiring.
  6. Sekin ikkinchisini boshqa tomonga aylantiring.
  7. Qo'qonning o'rnini tuzating, unda Markaziy simning massasi va aloqasi bor.
  8. Bog'lanish yong'oqini torting.
Oldinda diagnostika burchagi
Oldinda diagnostika burchagi

Profil Profi, Avans Avans Awece burchakli sozlash (UAZ) sifatini qanday tekshirish mumkin

Kontaktlarning avans to'g'ri sozlanganligini tekshirish uchun, siz quyidagi xususiyatlarga ega bo'lishingiz kerak:

  1. Issiqlik elektr blokining ishida, bekor qilinganda "muvaffaqiyatsizliklar" ni sezmaslik kerak.
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  2. Agar benzin pedalida keskin portlash (taxminan 3-5 soniya) bo'lsa, harakatning hatto to'rtinchi tishli va soatiga 50 kilometr tezlikda harakatning eng ko'p qismida harakat bo'lishi kerak. Ya'ni barmoqlar urishi eshitilishi kerak. Agar bu sodir bo'lmasa, unda atash juda kech. Agar bu hodisa kuzatilgan bo'lsa, lekin u o'tmasa, yonboshi juda erta.

Izohlar