Inzwa yokucindezela kwengcindezi.
I-AIR NOKUFAKAZA ISIVIVINYO SESTOR (Manifoldabsolutepressor), lapha kubizwa ngokuthi yimephu. Ixhumeke ku-malifold yokuthambisa nge-tube ye-vacuum, futhi ngomthwalo wejubane ohlukile wenjini, ushintsho lwe-vacuum ekunciphiseni okuningi, bese ushintsho lokumelana ne-sensor luguqulwe lube yisiginali ye-voltage ukuze kulungiswe inani lokujova kanye ne-angle yesikhathi sokulahla isikhathi.
Enjini ye-EFI, inzwa yokucindezela yokudla isetshenziselwa ukuthola ivolumu yokungena, elibizwa ngokuthi uhlelo lwe-D-umjovo (velocity density yohlobo). Inzwa yengcindezi yokuthambisa ibona ivolumu yokuthambisa ayitholakali ngqo njenge-inzwa yokugeleza kokudla, kepha isebenzisa ukutholwa okungaqondile, ngakho-ke kuyathinteka ngezinto eziningi, futhi kube nezindawo eziningi zokutholwa, futhi iphutha elakhiwe libuye libe nenhlangano yalo.
Inzwa yengcindezi yokuthambisa ibona ingcindezi ephelele yokuthambisa okuningana ngemuva kwe-throttle valve, ethola ushintsho lwengcindezelo ngokuphelele kwi-Injini Special (Ecu), bese i-ECU ilawula inani eliyisisekelo likaphethiloli ngokuya ngosayizi we-Signal Voltage.
Inzwa yengcindezi yokuthambisa uhlobo lwenzwa esetshenziselwa ukuqapha ushintsho lokucindezela ohlelweni lokuthathwa kwenjini. Idlala indima ebalulekile ezimotweni noma kweminye imishini yangaphakathi yokuhlanganisa.
Imisebenzi esemqoka yenzwa yokungena kwengcindezi imi ngalendlela elandelayo:
1. Ukulungiswa kwamafutha Ngokusekelwe kule datha, iyunithi yokulawula ingaguqula ukuhlinzekwa kwamafutha ukuhlinzeka ngokusebenza okuphezulu nokusebenza okuphezulu.
2 Lungisa isikhathi sokulahla, isikhathi se-valve, namanye amapharamitha asemqoka ngokususelwa kuzinguquko ekucindezelweni kwengcindezi yokukhipha amandla angcono, umnotho wamafutha kanye nokulawulwa kokuphuma.
3 Lokhu kusiza ekutholeni nasekuhloleni izinkinga ezihlobene nohlelo lokuthathwa, njengokuvuza komoya kupayipi lokuthambisa, ukwehluleka kwenzwa ye-sensor noma ingcindezi engajwayelekile.
Konke kukho konke, inzwa yokucindezela yokudla ihlinzeka ngemininingwane enembile yokulawulwa kwenjini ngokulinganisa izinguquko zokucindezela emthonjeni we-duct wokudla ukuze wenze kahle ukusebenza kahle kokuhlanganisa, okukhipha amandla nokulawulwa kokuphuma. Ibamba iqhaza elibalulekile ekusebenzeni okujwayelekile kanye nokuthola amaphutha kwenjini.
Yiziphi izimpawu zenzwa yokushisa yokudla ephukile?
Injini engu-01 iyisicefe
Injini evuthayo iwuphawu olucacile lwenzwa yokushisa yokudla enephutha. Lapho isinali lokushisa lamanzi elinikezwe inzwa yokushisa yomoya yokudla ku-ECU liphakeme kunamazinga okushisa angomanzi, ingxube izoba mncane, okuholela ekusheshisweni kwenjini ehamba kancane futhi kuncishisiwe amandla. Ngaphezu kwalokho, ngoba i-ECU ayitholi isiginali yokushisa yamanzi enembile, ingxube ingaba mkhulu kakhulu noma omncane kakhulu, okwenza kube nzima ukuqala imoto ebandayo. Ngakho-ke, ukuxazulula le nkinga, kuvame ukudingekile ukuguqula inzwa yokushisa komoya.
I-02 ayikwazi ukulawula ngokunembile umjovo wamafutha
Ukulimala kwenzwa yokushisa yokuthambisa kuzoholela ekungangeni kahle ukulawula umjovo wophethiloli ngokunembile. Lokhu kungenxa yokuthi inzwa yokushisa yomoya yokuphuza inesibopho sokuqapha izinga lokushisa komoya elingena enjini nokudlula lolu lwazi kwiyunithi yokulawula i-elekhthronikhi yemoto (ECU). I-ECU iguqula ivolumu yomjovo kaphethiloli ngokususelwa kule datha ukwenza kahle ukusebenza kwenjini kanye nokusebenza kwamafutha. Uma inzwa ilimele, i-ECU ngeke ikwazi ukuthola idatha yokushisa yomoya enembile, okuholele ekuhlolweni okulungile kophethiloli. Lokhu akuhlathi kuthinta kuphela ukusebenza kwenjini, kepha kungahle kuholele ekusetshenzisweni kwamafutha okwandayo.
03
Umlandeli uhlala egijima noma cha
Ukulimala kwenzwa yokushisa yomoya yokuphuza kungadala ukuthi fan ukuthi ijikeleze ngokujwayelekile noma cha. Lapho kunenkinga nge-Batake Temperity Sensor, ayikwazi ukufunda ngokunembile izinga lokushisa elipholile lenjini, ethinta iyunithi yokulawula abalandeli. Uma ukufundwa kwenzwa kuphansi, i-fan ingaqhubeka isebenza emzameni ukwehlisa izinga lokushisa elipholile. Ngakolunye uhlangothi, uma ukufundwa kuphezulu, fan kungenzeka ingaqali, okwenza injini igcwale ngokweqile. Ngakho-ke, ukuziphatha okungajwayelekile kwabalandeli kungaba uphawu olucacile lokwehluleka kwenzwa yokushisa yomoya.
Inkomba yokushisa yamanzi engajwayelekile
Inkomba yokushisa yamanzi engajwayelekile iwuphawu olusobala lwenzwa yokushisa yomoya eyonakele. Lapho kunenkinga nge-Batake Temperity Sensor, kungenzeka ingakwazi ukufunda ngokunembile izinga lokushisa elipholile lenjini, okuholela ekufundeni okungalungile kwegeji yokushisa kwamanzi. Lokhu kungalungile kungadala ukuthi umshayeli alahle isimo sokushisa kwenjini, okuthinta ukuphepha okushayela. Ngakho-ke, uma isikhombisi sokushisa samanzi sitholakale singajwayelekile, inzwa yokushisa yomoya yokudla kufanele ihlolwe ngokushesha ngangokunokwenzeka kanye nokulungiswa okudingekayo noma okunye.
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