Menene firikwensin matsin lamba na bambancin abin hawa?
Na'urar firikwensin matsin lamba ta bambanta wani sinadari ne na lantarki da ake amfani da shi don auna bambancin matsin lamba tsakanin wurare daban-daban guda biyu. Yana ɗaya daga cikin muhimman abubuwan da ke haifar da ji a cikin motoci na zamani. Ba ya auna cikakken matsin lamba amma yana mai da hankali kan gano bambancin matsin lamba (ΔP = P1 - P2) tsakanin wurare biyu kamar "tashar shiga da tashar fitar da hayaki" ko "sama da ƙasa", kuma yana canza wannan bambancin matsin lamba zuwa siginar lantarki, wanda daga nan ake watsa shi zuwa sashin sarrafa injin (ECU) ko wasu tsarin sarrafawa a kan jirgin don cimma daidaitaccen tsarin aiki.
Babban Aiki da Yanayin Aikace-aikace
Na'urar firikwensin matsin lamba daban-daban tana taka rawar "jijiyar matsin lamba" a cikin manyan tsarin motoci da yawa. Manyan aikace-aikacenta sun haɗa da:
Gudanar da fitar da hayaki daga shaye-shaye (sarrafa sake farfadowar DPF): Wannan yana ɗaya daga cikin manyan manufofinsa. Ana sanya firikwensin a gaba da baya na matatar barbashi (DPF), yana sa ido kan bambancin matsin lamba na bayan shaye-shaye. Lokacin da ajiyar carbon ya sa bambancin matsin lamba ya wuce iyakar, ECU zai haifar da "shirin sake samarwa", yana ƙara zafin shaye-shaye don ƙona ajiyar carbon don guje wa toshewa, asarar wutar lantarki, da kuma fitar da hayaki.
Inganta yawan shigar injin da kuma rabon mai da iska: A wasu tsarin, ana amfani da shi don auna bambancin matsin lamba tsakanin ma'aunin shigar injin da ke bayan matsi da yanayi ko takamaiman bututun mai. Idan aka haɗa shi da wasu bayanan firikwensin, yana ƙididdige yawan shigar injin a kaikaice, yana taimakawa ECU wajen sarrafa adadin shigar mai da lokacin kunna shi, yana inganta ingancin konewa.
Kula da tsarin mai: A cikin injunan dizal na layin dogo mai matsin lamba ko tsarin allurar mai kai tsaye, yana lura da bambancin matsin lamba a wurare daban-daban na bututun mai, yana ba da ra'ayi na matakin millisecond ga ECU, yana cimma daidaitaccen iko na ƙarar allurar mai (tare da kuskure a cikin ±0.02ml), daidaita wutar lantarki da tattalin arzikin mai.
Tsarin sake zagayowar iskar gas mai shaye-shaye (EGR): An sanya shi a ƙarshen bawul ɗin EGR ko mai sanyaya EGR, yana auna bambancin matsin lamba don tantance ainihin buɗewar bawul ɗin EGR, ko bututun ya toshe ko yana zubewa, yana tabbatar da ingantaccen adadin sake zagayowar iskar gas ta EGR da kuma rage fitar da iskar nitrogen oxide yadda ya kamata.
Tsarin kula da fitar da hayakin mai (EVAP): Ana amfani da shi don gano ko akwai ɓuɓɓuga ko toshewar bututun mai. Tsarin yana haifar da ƙaramin bambanci a matsin lamba, kuma na'urar firikwensin tana gano canjin. Idan bai cika tsammanin ba, ana ɗaukar tsarin a matsayin matsala kuma ana haskaka hasken matsalar.
Tsarin dakatar da iska: A cikin manyan samfura, yana sa ido kan bambancin matsin lamba tsakanin ɓangarorin biyu na maɓuɓɓugar iska, yana aiki tare da kwamfutar da ke cikin jirgin don daidaita damping duk bayan 'yan daƙiƙa, yana inganta daidaiton hawa motar sosai a kan tituna masu cike da cunkoso.
Taƙaitaccen Bayani na Ka'idar Aiki
Tushen firikwensin matsin lamba na bambanci shine diaphragm mai laushi wanda ke raba firikwensin zuwa ƙarshen matsin lamba mai yawa (H) da ƙarshen matsin lamba mai ƙarancin ƙarfi (L). Lokacin da aka yi amfani da matsin lamba na P1 da P2 da aka auna a ƙarshen biyu, diaphragm yana fuskantar ɗan canji saboda bambancin matsin lamba. Ana gano wannan canjin kuma ana canza shi ta hanyar tsarin juyawa na ciki (kamar canje-canjen juriya a cikin ma'aunin matsin lamba, canje-canje a ƙimar ƙarfin lantarki, ko tasirin piezoelectric) zuwa siginar lantarki, wanda da'irar ke ƙaruwa kuma tana rama shi, sannan fitarwa azaman ƙarfin lantarki na yau da kullun, wutar lantarki, ko siginar dijital don amfani da ECU.
Tasirin Kurakurai
Idan firikwensin matsin lamba na bambanci ya lalace ko kuma siginar ba daidai ba ce, ECU zai karɓi bayanai game da bambancin matsin lamba ba daidai ba, wanda zai iya haifar da:
Fitilar lalacewar injin tana haskakawa
Ƙarfin injin yana da iyaka, ƙarfin yana raguwa
Lissafin adadin allurar mai ba daidai ba ne, wanda ke haifar da ƙaruwar amfani da mai, ƙarancin wutar lantarki, ko hayaki
Shirin sake farfaɗo da DPF ba shi da kyau, wanda hakan ke iya haifar da toshewar hanji mai tsanani.
Tsarin EGR yana aiki yadda ya kamata, yana shafar yanayin hayaki da konewa
A ƙarshe, kodayake na'urar firikwensin matsin lamba ta bambanta ƙarami ce, muhimmin sashi ne wanda ke tabbatar da aiki, inganci, bin ƙa'idodin hayaki, da amincin motoci.
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.
