Wani abu ne ya zama mai tasirin kuma yana gudanin lokaci na tsayi na throttle body?

Wani abu ne ya zama mai tasirin kuma yana gudanin lokaci na tsayi na throttle body?

Wani lokaci na bayan ku shiga wani buton kuma ku sami wani engine ya aiki, yana da kuma wani tsari na dukkan abubuwan da suka fito: karin bayani na asalin buton, hisabon ECU na yadda za a iya shiga wani torque, amarar motor na throttle, yadda za a raba wani gear, kuma akwai kuma yadda za a yi wani raba na plate. A cikin wani sistema na drive-by-wire wanda ya aiki daidai, wannan tsari ya kammala a 80 zuwa 120 milliseconds—wanda yake fi kyau da yadda za a iya ganin shi da nervous system na mutum. Idan yadda za a iya shiga wani throttle body ya zama mai ƙarfi, mutum ya sanin shi da wani hankali, wani tsari na rubber-band inda yadda za a iya shiga wani engine ya zama mai ƙarfi da yadda za a iya shiga wani kafa, ko wani surgi idan plate ya kammala a cikin wani lokaci da ke cikin amarar madaidaici. Duk wani abu, ta hanyar mechanical ko electronic, ya kare yadda za a iya shiga.

Kudin Mechanical na Yadda Za A Iya Shiga: Rabi na Motor kuma Gear

Moota na throttle body shi ne moota na DC wanda aka tsara domin yin karfi mai ƙarfi a cikin RPM mai yawa. Inershiya na rotor—wanda ke nufin kari na farko na yin girma—yana nuna lokacin da aka fiye da yin girma ta hanyar da aka bayyana voltage. Moota na throttle body suna tsarin rotor mai rafi kuma mai gaba don karye inershiya, wanda ke ba da 80 zuwa 100 millisecond don yin girma ta 0 zuwa 90 degree. Tatsuniyar kudin kudin da suka gabata yana canza RPM na moota zuwa girma na plate, wanda akwai kudin kudin na 20:1 zuwa 50:1 a cikin kowane moota, tare da karfin ya dace. Kudin kudin mai yawa yana karye karfi a matsayin lokaci, kuma masu tsara throttle body suna karye wannan fuskantar da sauri don samun yin girma mai sau, amma bai karye karfin da ke bukatar karya matakan vacuum na intake manifold a cikin plate.

Sistayin tashin kore ya ba mu matakai na kare (ya tsaya shafin kamar yadda ake cire gaskiya) kuma kare da ke cikin shafin da motori zai yi aiki. Kore mai kyau suna tsaya shafin kamar yadda ake cire gaskiya don yawa, amma suna rarraba aiki na bukata da yawa wajen fuskanta shafin kamar yadda ake cire gaskiya saboda suka bukata torque mai kyau don kari kore a farko na aiki. Kudin kore an sanya shi don haka cewa tsayyata shafin kamar yadda ake cire gaskiya daga farko zuwa lokacin da ke cire gaskiya ya kammala a 150 milliseconds—don haka yana kammala kamar yadda ake cire gaskiya wajen kara koyaushe a cire gaskiya.

Abubuwan Elektroniki: Tsarin Signali da Filtar

ECU ba ta amfani da throttle plate don fuskanci wani yanki maimakon kowane tsari na control loop. Don gudanin rarraba da kusursun motor a lokacin da aka yi amfani da pedal a matsayin karami, ECU ya amfani da signal filtering wanda ya sanya yankin pedal a cikin manya samples. Wannan filtering ya zama 10–30 millisecond delay—wanda ba za a ga shi a lokacin da aka tsaya ta hanyar alheri amma za a iya ganin shi a lokacin da aka yi amfani da pedal ta hanyar alheri da karami.

Kamar yadda ake kira, tsarin amfani da torque na ECU yana nufin cewa amfani da throttle ba shi kuma fassara ta hanyar daidai na wani lokaci zuwa wani lokaci. ECU ta saba kuma yana gano torque na gaba daya, sannan ta zayyano wani lokaci na throttle, kuma kuma yana gano kadanin fuel, lokacin ignition, kuma (a matakin da suka yi amfani da variable valve timing) lokacin cam wanda suka haɗa don samun torque din. Idan wani daga cikin wannan abu ne ya ƙare amfani—misali, idan sensor na knock ya ƙare lokacin ignition—kuma yana zama mafi kyau don amfani da throttle saboda torque na gaba daya ta samu a cikin lokacin ignition ba a cikin amfani da airflow. Wannan shine saboda amfani da throttle body yana zama mafi farko ko mafi rarraba a cikin wani lokaci zuwa wani lokaci: tsarin ECU na amfani da torque yana canza a cikin lokacin kuma yana canza a cikin lokacin da suka kawo kan engine, lokacin da suka kawo kan knock, kuma lokacin da suka kawo kan amfani da emissions control.

Abin da ke ƙare carbon

Carbon ajiya a kan gas farantin da bore ba kawai ƙuntata idle iska kwararasu ƙara jiki juriya ga farantin motsi. Lokacin da carbon ya tara a kan bangon rami a yankin inda gefen farantin ya shafe, farantin dole ne ya tura ta cikin ajiyar lokacin budewa da rufewa. Wannan ƙarin juriya yana rage jinkirin amsawa, musamman a ƙananan buɗewar gas inda motar ke aiki a ƙananan ƙwanƙwasa. Wani jikin gas tare da carbon yana iya ɗaukar 150200 milliseconds don motsi na buɗewa na digiri 10 wanda na'urar mai tsabta ta kammala a cikin 80100 milliseconds. Mai direba ya fahimci wannan a matsayin farkon matattu wuri bi da wani karuwa a lokacin da farantin karya free na carbon juriya a classic jinkirin-karuwa juna na datti gas jiki.

Abin da ke Sa A Samu Wutar Lantarki

Moota na throttle body ya ci 2–4 amps a lokacin da ya zama mai yawa daga karama zuwa karama mai fuskanci. Idan voltage na sistem ya kashe—kamar yadda aka yi a lokacin da engine ya zama mai yawa, a lokacin da engine ya zama mai gaba daya (idle) amma akwai loads elektriki mai yawa, ko idan bateri ta kashe—kuma kuma yanzu kuma current da ke cikin jihadi na moota na throttle ta kashe, kuma yadda ya zama mai gaba daya (response) ya zama mai yawa a matsayin da ya kashe. Idan yadda ya zama mai gaba daya (throttle response) ta zama mai yawa a lokacin da engine ya zama mai yawa ko a lokacin da engine ya zama mai gaba daya (idle) amma akwai headlights da air conditioning suka shiga, wani alama ce na bateri mai yawa ko sistem na charging mai yawa, ba throttle body mai siffa ba.

Matsayin bayani: Yadda ya zama mai gaba daya (Response Lag) ta fito ne daga carbon, ba daga electronics ba

Kudin kura ya samu ƙarfin yin amfani da accelerator—yana dauka lokaci na 0.5 seconds ne daga yin amfani da accelerator zuwa yin amfani da engine—kafin ya gano 90,000 km. Bayanin farko ya yi lafiya cewa yana da matsala na electronic throttle control. Amsa na scan ba ta nuna koda kuma yin amfani da position sensor a live data ya zama mai kyau. Amsa na fuskanci ta nuna cewa akwai carbon buildup a cikin bore wall wanda ke dauka ƙarfin 0.8mm wanda ke taka da plate edge a lokacin yin amfani da accelerator. Amsa na cleaning ta saita yin amfani da accelerator zuwa bayanin farko, kuma ta cire matsala na hesitation. Throttle body na kudin kura, wanda ke da kyakkyawan kudin kura na aftermarket wanda ke da alaƙa da kudin kura na manufacturer suka biyo a cikin Sakes Auto Parts, ya zama mai kyau a lokacin yin amfani da accelerator.

Masu Sabon Gaskiya

Yaya yin amfani da throttle body mai kyau yana dauka lokaci?

Wani jiki mai kyau na lantarki yana kammala cikakken rufewa zuwa budewa a cikin kimanin 80120 milliseconds. Ƙaddamar da motsi na buɗewa (1020 digiri) kammala a cikin 3050 milliseconds. Duk wani amsa da ya fi saurin motsin ƙafafun direba ya bukaci bincike.

Za a iya kyautata yadda ake amfani da man fetur ta wajen daidaita ECU?

Wasu taswirar daidaitawa na ECU suna rage tace siginar pedal kuma suna ba da damar buɗe gas ɗin da ya fi ƙarfin don shigar da pedal. Duk da haka, saurin amsawa na injiniya na motar motar da kuma gear train shine iyakar jiki wanda ba za a iya canzawa ba.

Shin alamar jikin gas din yana shafar saurin amsawa?

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Batirin da ya kasa aiki zai iya sa motar ta yi jinkirin motsawa?

- Da kyau. Ƙananan ƙarfin lantarki yana rage halin yanzu da ke samuwa ga motar gas, yana rage motsi na farantin. Amsar gas din da ke raguwa musamman a lokacin motsawar injin ko tare da manyan nauyin lantarki ya kamata ya sa batirin baturi da kuma maye gurbin gwaji kafin ya yi hukunci da jikin gas.

Shin, gas jiki martani gudun shafi man fetur tattalin arziki?

A wata hanya, haka ne. Tsarin gas ɗin da ke amsawa a hankali yana sa ECU ta umarci cakuda masu wadata a lokacin buɗewar gas ɗin don daidaita jinkirin isar da iska. Maido da saurin amsawa ya rage waɗannan abubuwan wadatarwa.

Ta yaya za a gwada saurin amsawa ba tare da kayan aiki na musamman ba?

Da injin kashe da kuma ƙonewa a kan, da wani mataimakin matsa gas pedal yayin sauraron a gas jiki. Ya kamata farantin ya amsa da sauri, mai santsi wanda zai fara a lokacin da pedal ya motsa. Duk wani jinkiri, jinkiri, ko kuma sautin niƙa kafin motsi ya fara yana nuna matsala.