Wani abu da yakamata ku sani Game da Sensor Flow Air

Ma'anarsa

Na'urar firikwensin iska, wanda kuma aka sani da mitar kwararar iska, yana ɗaya daga cikin manyan firikwensin da ke cikin injin EFI.Yana jujjuya kwararar iskar da aka shaka zuwa siginar lantarki kuma ta aika zuwa na'urar sarrafa lantarki (ECU).Na'urar firikwensin da ke auna kwararar iskar zuwa injin a matsayin daya daga cikin sigina na asali don tantance allurar mai.

Nau'in

Akwai nau'ikan na'urori masu auna iska da yawa don tsarin allurar fetur da ake sarrafa ta ta hanyar lantarki.Ana iya rarraba na'urorin firikwensin iska gabaɗaya zuwa nau'in ruwa (farantin reshe), nau'in ma'auni, nau'in ray mai zafi, nau'in fim mai zafi, nau'in gungura na Karman, da sauransu bisa ga nau'in tsari.

Hanyar ganowa

Ruwairin (farantin reshenau'in) kwararar iskafirikwensin

1. Auna ƙimar juriya

Da farko, kashe na'urar kunna wuta, cire haɗin wutar lantarki na baturin, sannan ka cire haɗin haɗin waya na firikwensin iska na nau'in fuka.Yi amfani da multimeter don auna juriya tsakanin tashoshi.Dole ne ƙimar juriya ta dace da daidaitaccen ƙimar.In ba haka ba, firikwensin motsin iska ya lalace kuma yana buƙatar maye gurbinsa.

2. Auna ƙimar ƙarfin lantarki

Da farko toshe mai haɗin mashigai na firikwensin kwararar iska, sannan kunna maɓallin kunnawa zuwa gear "ON" kuma yi amfani da multimeter don auna ƙarfin lantarki tsakanin tashoshin VC da E2 da tsakanin tashoshin VS da E2.Sakamakon ma'auni dole ne ya dace da daidaitaccen ƙimar.Idan ba haka ba, firikwensin kwararar iska ya lalace kuma yana buƙatar sauyawa.

3. Auna siginar fitarwar aiki

Cire kayan aikin injector, fara injin, ko amfani da mai farawa kawai don jujjuya injin kuma yi amfani da multimeter don auna ƙarfin lantarki tsakanin tashoshin VS da E2.Ya kamata wutar lantarki ta ragu yayin da buɗaɗɗen ruwa ke ƙaruwa a hankali.Idan ba haka ba, yana nufin iska.Na'urar motsi ta lalace kuma tana buƙatar sauyawa.

Nau'in gungurawa Karmaniska kwarara firikwensin

1. Auna ƙimar juriya

Da farko, kashe na'urar kunna wuta, cire haɗin wutar lantarki na baturin, sannan cire haɗin haɗin waya na mitar motsin iska.Yi amfani da multimeter don auna juriya tsakanin tashoshin THA da E2 na mitar kwararar iska.Ƙimar da aka auna dole ne ta dace da daidaitattun ƙimar.Idan ba haka ba, mitar iska ta lalace kuma tana buƙatar sauyawa.

2. Auna ƙimar ƙarfin lantarki

Haɗa mai haɗin shigarwar mita kwararar iska da farko, sannan kunna maɓallin kunnawa zuwa matsayin "ON" kuma yi amfani da multimeter don duba ƙimar ƙarfin lantarki tsakanin tashoshi da aka jera a cikin tebur.Dole ne ya cika daidaitattun buƙatun ƙima.In ba haka ba, mitar iska ta lalace kuma dole ne a canza shi.

3. Auna siginar fitarwar aiki

Cire haɗin kayan aikin injector, fara injin ko amfani da mai farawa shi kaɗai don tafiyar da injin, kuma yi amfani da oscilloscope don auna bugun jini tsakanin tashar E1 da tashar KS.Dole ne a sami daidaitaccen nau'in bugun bugun jini, in ba haka ba na'urar motsin iska ta lalace kuma dole ne a maye gurbinsa.

Zafifyanayinau'in firikwensin motsin iska

1. Kashe na'urar kunna wuta, cire haɗin haɗin shigarwar mita kwararar iska, kuma yi amfani da multimeter don auna juriya tsakanin 3terminal da wurin saukar da jikin abin hawa.Ya kamata ya zama 0Ω.

2. Juya maɓallin kunnawa zuwa "ON" kuma yi amfani da multimeter don auna ƙarfin lantarki tsakanin tashoshi 2 da 3 na mitar kwararar iska.Ya kamata ya zama ƙarfin baturi.Idan babu wutar lantarki ko karkacewar karatun ya yi girma, duba kewaye.Bincika ko ƙarfin lantarki tsakanin tashoshin 4 da 3 yakamata ya kasance a kusa da 5V, in ba haka ba yana nufin akwai matsala tare da kebul tsakanin ECU da firikwensin iska ko ECU.Idan akwai iska a tsaye lokacin tsayawa, duba cewa ƙarfin wutar lantarki na ƙasa na tashar #2 yana kusan 14V, in ba haka ba yana nufin cewa kewayar da ke tsakanin mitar iska da na'urar jigilar mai ba ta da kyau.Wutar lantarki tsakanin tashar #3 da #5 yakamata ya zama kusan 1.4V lokacin da babu kaya.Yayin da saurin injin ya karu, ƙarfin wutar lantarki a ƙarshen duka ya kamata ya ci gaba da tashi, kuma matsakaicin ƙimar shine kusan 2.5V, in ba haka ba ya kamata a maye gurbin mitar iska.

3. Kashe maɓallin kunnawa kuma cire mitar iska.Lokacin da babu iska, ƙarfin lantarki tsakanin tashoshi 3 da 5 yakamata ya zama kusan 1.5V.Yi amfani da abin hurawa don hura iska mai sanyi a mashigar mitar motsin iska, sannan a hankali matsar da abin hurawa baya.Yayin da nisa ke ƙaruwa, ƙimar ƙarfin lantarki tsakanin tashoshi 3 da 5 ya kamata a hankali raguwa, in ba haka ba ya kamata a maye gurbin iska ta hanyar kirgawa.

Ina fatan cewa bayanan da suka dace da muka raba game da firikwensin iska zai iya taimakawa kowa da kowa.Duk wani sha'awa, maraba don tuntuɓar masana'anta na VW Air Flow Sensor.

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