Izixhobo zemoto ye-Dongfeng Cummins ithatha inzwa yoxinzelelo 4921322

ISensom yoxinzelelo olupheleleyo (MAP).

Idibanisa i-intake manifold kunye netyhubhu yokucoca, kunye nomthwalo ohlukeneyo wesantya se-injini, iyaluva utshintsho lwe-vacuum kwindawo yokuthatha, kwaye emva koko iyiguqule ibe ngumqondiso wombane ukusuka kutshintsho lokumelana kwangaphakathi kwe-sensor ye-ECU ukulungisa. ubungakanani benaliti yamafutha kunye ne-engile yexesha lokutshisa.

Kwi-injini ye-EFI, i-sensor yoxinzelelo lwe-intake isetyenziselwa ukufumanisa umthamo womoya wokungenisa, obizwa ngokuba yi-D-type injection system (uhlobo lwe-velocity density). Isivamvo soxinzelelo lomoya esithathayo sibona umthamo womoya owuthathayo ngokungangqalanga endaweni yokuba ngokuthe ngqo njengenzwa yokungena komoya. Ngexesha elifanayo, likwachatshazelwa yizinto ezininzi, ngoko kukho ukungafani okuninzi phakathi kokuchongwa kunye nokugcinwa kwenzwa yokungena komoya, kwaye iimpazamo ezibangelwa yiyo nazo zinobungcali bayo.

Inzwa yoxinzelelo lwe-intake ibona uxinzelelo olupheleleyo lwe-manifold intake emva kwe-throttle. Ibona utshintsho loxinzelelo olupheleleyo kwi-manifold ngokwesantya kunye nomthwalo we-injini, emva koko iyiguqule ibe ngumbane wesignali kwaye iyithumele kwiyunithi yokulawula injini (ECU). I-ECU ilawula ubungakanani benaliti yamafutha esisiseko ngokombane wesignali.

umgaqo wokusebenza

Kukho iintlobo ezininzi zeenzwa zoxinzelelo lokuthatha, njenge-varistor kunye ne-capacitor. Ngenxa yeenzuzo zexesha lokuphendula ngokukhawuleza, ukuchaneka okuphezulu kokufumanisa, ubungakanani obuncinci kunye nofakelo oluguquguqukayo, i-varistor isetyenziswe ngokubanzi kwi-D-type injection system.

isakhiwo sangaphakathi

Inzwa yoxinzelelo isebenzisa i-chip yoxinzelelo yokulinganisa uxinzelelo, kwaye i-chip yoxinzelelo idibanisa ibhuloho ye-Wheatstone kwi-silicon diaphragm enokukhubazeka ngoxinzelelo. I-chip ye-pressure core ye-sensor ye-pressure sensor, kwaye bonke abavelisi abakhulu bee-sensor sensors bane-chips zabo zoxinzelelo, ezinye zazo ziveliswa ngokuthe ngqo ngabavelisi beenzwa, ezinye zazo ziyi-chips ezikhethekileyo (ASC) eziveliswa ngokukhutshwa ngaphandle. , kwaye enye kukuthenga ngokuthe ngqo iitshiphusi zenjongo jikelele kubavelisi beetshiphu abaziingcali. Ngokubanzi, iitshiphusi eziveliswe ngokuthe ngqo ngabavelisi beenzwa okanye iitshiphusi ze-ASC ezenziwe ngokwezifiso zisetyenziswa kuphela kwiimveliso zabo. Ezi chips zidityaniswe kakhulu, kwaye i-chip yoxinzelelo, isekethe yeamplifier, i-chip yokulungisa imiqondiso, isekethe yokukhusela i-EMC kunye ne-ROM yokulinganisa ijika lokuphuma kwenzwa zonke zidityaniswe kwi-chip enye. Uluvo olupheleleyo luyitshiphu, kwaye itshiphu idityaniswe nephinikhodi ye-PIN yesidibanisi ngokukhokela.