Yintoni inzwa yoxinzelelo lokungenisa imoto
I-automotive intake pressure sensor (MAP sensor) yinxalenye ye-elektroniki esetyenziselwa ukubona uxinzelelo olupheleleyo kwi-intake manifold ye-injini. Ngokuguqula utshintsho loxinzelelo lube ziisignali ze-voltage, inika idatha kwi-ECU ukulawula umthamo we-injection fuel kunye nexesha lokutsha. Nantsi ingcaciso ethile:
Umsebenzi oyintloko
Jonga uxinzelelo lwe-incase manifold: Qhagamshela i-incase manifold ngetyhubhu ye-vacuum ukuze uve utshintsho olupheleleyo loxinzelelo olungasemva kwe-throttle.
Iiparamitha zolawulo lwenjini: I-ECU ilungisa ixesha lokufakwa kwepetroli kunye ne-ignition advance Angle ngokusekelwe kwizibonakaliso zesensor ukuze kuphuculwe imveliso yamandla kunye nokusetyenziswa kwepetroli.
Umgaqo wokusebenza
Ukuva uxinzelelo: Izinto ezingaphakathi ezibuthathaka (ezifana nee-varistors, ii-capacitive diaphragms) ziva utshintsho loxinzelelo kwaye ziluguqula lube lutshintsho ekuchaseni okanye kwi-capacitance.
Ukuguqulwa kwesignali: Isekethe edibeneyo iyandisa utshintsho kwaye iluguqule lube ziisignali zevolthi, ezithi emva koko zidluliselwe kwi-ECU.
Iimeko zesicelo
Inkqubo yokujova yohlobo lwe-D: Ibona ngokungathanga ngqo umthamo womoya ongenayo. Ngokungafaniyo nezinzwa zokuhamba ngqo (i-MAF), kufuneka ibalwe kunye nesantya sokujikeleza kunye nomthwalo.
Impembelelo yempazamo: Umonakalo unokubangela ukuba umxube ube mkhulu kakhulu okanye ube buthathaka kakhulu, amandla anciphe okanye ukusetyenziswa kwepetroli kwande.
Iingcebiso zolondolozo
Ukuhlolwa rhoqo: Nika ingqalelo kuqhagamshelo lweetyhubhu ze-vacuum kunye nokuzinza kwemiqondiso ukuze uphephe iimpazamo ezibangelwa yidiphozithi yekhabhoni okanye ukuguga.
I-automotive intake pressure sensor yenye yezona zinto zibalulekileyo kwinkqubo yolawulo lwenjini. Umsebenzi wayo ophambili kukujonga uxinzelelo lomoya kwi-intake manifold kwaye idlulisele idatha ngexesha langempela kwiyunithi yolawulo lwenjini (ECU). Ngokulinganisa ngokuchanekileyo uxinzelelo lwe-intake, i-ECU inokubala ubungakanani obufanelekileyo be-fuel injection kunye nexesha lokutsha, ngaloo ndlela iqinisekisa ukusebenza kakuhle nokuzinzileyo kwenjini phantsi kweemeko ezahlukeneyo zokusebenza.
Umgaqo wokusebenza
I-input pressure sensor idla ngokufakwa kwi-input manifold kwaye isebenza ngokubona utshintsho kuxinzelelo lomoya ngaphakathi kwi-input manifold. Inxalenye ephambili ngaphakathi kwi-sensor yi-varistor okanye i-capacitive sensing element. Xa uxinzelelo lomoya lutshintsha, ixabiso lokumelana okanye le-capacitance ye-sensing element liyatshintsha ngokufanelekileyo, ngaloo ndlela livelisa isignali yombane ehambelanayo. Emva kokufumana esi signali, i-ECU idibanisa idatha evela kwezinye ii-sensors (ezifana nee-air flow sensors, ii-throttle position sensors, njl.njl.) ukuze kubalwe ngokupheleleyo ubungakanani be-fuel yangoku kunye nexesha lokutsha elifunekayo kwinjini.
Ukusebenza kakuhle kokutsha kwenjini kunxulumene kakhulu nomlinganiselo womoya-fuel. I-sensor yoxinzelelo lokungenisa inceda i-ECU ukuba imisele ngokuchanekileyo ubungakanani bomoya ongena kwisilinda, ngaloo ndlela ilungisa umthamo wokufakwa kwefuel ukuze kufezekiswe umlinganiselo ofanelekileyo womxube. Ukuba i-sensor ayiphumeleli, inokubangela ukuba umxube ube mkhulu kakhulu okanye ube mncinci kakhulu, nto leyo echaphazela amandla okukhupha kunye nokunyuka kokusetyenziswa kwefuel.
Ziqhelanise neemeko zokusebenza ezahlukeneyo
Uxinzelelo lokungenisa luya kutshintsha phantsi kweemeko ezahlukeneyo zokusebenza ezifana nokungaphumli, ukukhawulezisa kunye nokucotha. Iisensa zijonga olu tshintsho ngexesha langempela, zivumela i-ECU ukuba ilungise ngokuguquguqukayo unikezelo lwamafutha kunye nexesha lokutsha, iqinisekise ukusebenza kakuhle kwenjini. Umzekelo, ngexesha lokukhawulezisa ngokukhawuleza, uxinzelelo lokungenisa luyanyuka, kwaye i-ECU iya kwandisa umthamo wokufaka amafutha ukuze inike amandla aqinileyo.
Ukuphucula ukonga amafutha
Ngokulawula ngokuchanekileyo umlinganiselo womoya-fuel, isenzi soxinzelelo lokungenisa ipetroli sinceda ekunciphiseni ukusetyenziswa kwepetroli okungeyomfuneko. Ukuba isignali yesenzi ayiqhelekanga, i-ECU isenokungakwazi ukulungisa ngokuchanekileyo umthamo wokufakwa kwepetroli, nto leyo ebangela ukwanda kokusetyenziswa kwepetroli.
Nciphisa ukukhutshwa kwegesi
Umlinganiselo ofanelekileyo womoya-fuel awupheleli nje ekuphuculeni ukusebenza kakuhle komlilo kodwa unciphisa nokukhutshwa kweegesi eziyingozi. Ukusebenza okuqhelekileyo kwesensor yoxinzelelo lokungenisa kunceda injini ihlangabezane neemfuno zokhuseleko lokusingqongileyo kwaye inciphise ukungcola kwigesi yokukhupha umoya.
Iindidi eziqhelekileyo
Iisensa zoxinzelelo zokungenisa ezixhaphakileyo ezikhoyo kwimarike ziquka ezi ntlobo zilandelayo:
I-Piezoresistive sensor: Isebenzisa i-piezoresistive effect yezinto ze-semiconductor ukuguqula utshintsho kuxinzelelo lomoya lube ziimpawu zombane.
I-Capacitive sensor: Ilinganisa uxinzelelo ngokubona utshintsho kwixabiso le-capacitance olubangelwa kukutshintsha koxinzelelo lomoya.
I-Thin-film sensor: Isebenzisa itekhnoloji ye-thin-film strain gauge kwaye inobuchule obuphezulu kunye nozinzo.
Iimpawu kunye nemiphumo yeziphene
Xa isivamvo soxinzelelo lokungenisa singasebenzi kakuhle, imeko yokusebenza kwenjini inokuphazamiseka kakhulu. Iimpawu eziqhelekileyo zeziphene ziquka:
Isantya sokungaqhubi kakuhle: Imiqondiso yenzwa engaqhelekanga inokubangela ukuba i-ECU ingalawuli ngokuchanekileyo isantya sokungaqhubi kakuhle, nto leyo enokubangela ukuba injini inyikime okanye ime.
Ukwehla kwamandla: Ukuba idatha yoxinzelelo lokungenisa olufunyenwe yi-ECU ayichanekanga, inokukhokelela ekufakweni kwepetroli ngokwaneleyo, nto leyo ekhokelela ekukhawulezisweni okubuthathaka.
Ukusetyenziswa kwepetroli okwandileyo: Imiqondiso yoxinzelelo engalunganga inokubangela ukuba i-ECU ihlulele gwenxa umthamo wokungenisa, nto leyo ekhokelela ekunikezelweni kwepetroli ngokugqithisileyo.
Xa isibane sempazamo sivuliwe: I-ECU yezithuthi zanamhlanje ijonga imiqondiso yesenzi. Nje ukuba kufunyenwe into engaqhelekanga, isibane sempazamo yenjini sinokukhanyiswa.
Ukugcinwa nokuhlolwa
Ukuqinisekisa ukusebenza okuqhelekileyo kwesensor yoxinzelelo lokungenisa, kuyacetyiswa ukuba kwenziwe olu hlolo lulandelayo rhoqo:
Coca isenzi: Emva kokusetyenziswa ixesha elide, uthuli okanye amabala eoyile anokuqokelelana kumphezulu wesenzi, nto leyo echaphazela ukuchaneka kokulinganisa. Ungayisula kancinci ngesicoci esikhethekileyo.
Jonga uqhagamshelo lomgca: Iiplagi zesensor ezikhululekileyo okanye ezidlakadlaka okanye iintambo zinokubangela ukudluliselwa kwesignali okungaqhelekanga. Kubalulekile ukuqinisekisa uqhagamshelo oluthembekileyo.
Sebenzisa izixhobo zokuxilonga ukuze ufumanise: Ukuba injini isebenza ngendlela engaqhelekanga, ikhowudi yempazamo ingafundwa ngesixhobo sokuxilonga se-OBD ukuze kuqinisekiswe ukuba inzwa isebenza kakuhle na.
Ukusebenzisana nezinye izinzwa
Isenzi soxinzelelo lokungenisa asisebenzi ngokwaso. Sisebenzisana nezinye iisenzi ukubonelela ngenkxaso yedatha ye-ECU. Umzekelo:
Isenzi sokuhamba komoya: Silinganisa ngokuthe ngqo ubungakanani bomoya ongena enjinini size siwuqinisekise ngedatha evela kwisenzi sokuxinana komoya.
Isenzi sendawo yokukhupha umoya: Sijonga ukuvuleka komphunga ukuze sincede i-ECU ukubala umthamo wokungenisa umoya ngokuchanekileyo.
Inzwa yeoksijini: Inika ingxelo ngendlela igesi ephuma ngayo emva kokutsha, nto leyo ephucula ngakumbi umlinganiselo womoya-fuel.
Iindlela zophuhliso lwetekhnoloji
Ngokuphucuka kwetekhnoloji ye-elektroniki yeemoto, ukuchaneka nokuthembeka kwee-sensors zoxinzelelo lokungenisa kuye kwaphucuka rhoqo. Kwixesha elizayo, ukuhlanganiswa kunye nobukrelekrele kuya kuba yindlela yophuhliso. Umzekelo, i-sensor yoxinzelelo lokungenisa kunye ne-sensor yobushushu zinokudityaniswa kwimodyuli efanayo ukunciphisa indawo yokuhlala kunye nokuphucula ukuhambelana kwedatha. Ukusetyenziswa kwezixhobo ezintsha kunokuphucula ngakumbi ukumelana nobushushu obuphezulu kunye nokukwazi ukulwa nokuphazamiseka kwee-sensors.
Ngamafutshane, isenzi soxinzelelo lokungenisa imoto sidlala indima ebalulekileyo kwinkqubo yolawulo lwenjini. Ukusebenza kwayo okuqhelekileyo kuchaphazela ngokuthe ngqo ukusebenza kwamandla enjini, ukonga kunye nokusebenza kokukhupha umbane. Ukuqonda umsebenzi wayo kunye neempawu eziqhelekileyo zeziphene kunokunceda abanini bemoto ukuba babone kwaye basombulule iingxaki ngexesha elifanelekileyo, ukuqinisekisa ukuba imoto ikwimeko entle yokusebenza.
Ukuba ufuna ukwazi okungakumbi, qhubeka ufunda amanye amanqaku kule sayithi!
Nceda usitsalele umnxeba ukuba ufuna iimveliso ezinjalo.
Zhuo Meng Shanghai Auto Co., Ltd. uzimisele ukuthengisa iMG&MAXUSiinxalenye zeemoto zamkelekile ukuthenga.
