Yintoni inzwa yoxinzelelo lomoya wemoto
I-automotive air conditioning pressure sensor iyona nxalenye ephambili yenkqubo yefriji. Umsebenzi wayo oyintloko kukubeka iliso kwixinzelelo lwefriji kwipayipi ye-air conditioning ngexesha langempela, ukuqinisekisa ukusebenza ngokukhuselekileyo kwe-compressor, kunye nokusebenza namanye amacandelo ukulawula ngokuchanekileyo ukuqala kunye nokuyeka i-fan yokupholisa kunye ne-compressor. Ihlala ifakwe kwi-air conditioning umbhobho woxinzelelo oluphezulu kwindawo ye-injini kwaye idlulisa idatha yoxinzelelo oluqokelelweyo kwi-injini ye-ECU okanye iyunithi yokulawula i-air conditioning ekhethekileyo. Xa i-ECU ifumana isignali yoxinzelelo oluqhelekileyo, iqala i-compressor kunye nefeni yokupholisa; Ukuba uphawu loxinzelelo olungaqhelekanga lufunyenwe, amanyathelo akhawulezayo athathwa ukukhusela izixhobo zomoya ezifana ne-compressors ukuqala, ngaloo ndlela ikhusela yonke inkqubo yefriji. ...
Inzwa yoxinzelelo lomoya ngokuqhelekileyo ithatha uyilo lwenkqubo yocingo lwesithathu, imowudi yayo yokulawula ibandakanya umqondiso we-analog, ibhasi ye-Lin kunye nokulawulwa komjikelo womsebenzi iintlobo ezintathu. Ukulinganisa inzwa yoxinzelelo lwe-air conditioner, sebenzisa i-multimeter ukulinganisa intambo yamandla, intambo yomhlaba, kunye nekhebula lomqondiso wenzwa. Kwiimeko eziqhelekileyo, ikhebula lamandla li-5V okanye i-12V, ikhebula lomhlaba ngu-0V, kunye nekhebula lesignali liguquguquka kuluhlu lwe-0.5V ukuya kwi-4.5V okanye i-1V ukuya kwi-5V. Ukuba ixabiso elilinganisiweyo lihluke kakhulu kwixabiso eliqhelekileyo, linokuthetha ukuba inzwa yonakele okanye kukho uxhulumaniso lwenyani kwi-harness.
Inzwa yoxinzelelo lwe-air conditioning idlala indima ebalulekileyo kwinkqubo yefriji yemoto. Ukuba inzwa iyasilela, inokukhokelela ekubeni akukho siphumo sokupholisa emotweni, i-compressor ayikwazi ukusebenza, okanye ukuqala rhoqo kunye nokuyeka iingxaki. Ngoko ke, ukuhlolwa rhoqo kunye nokugcinwa kwenzwa yoxinzelelo lwe-air conditioning ngumlinganiselo obalulekileyo wokuqinisekisa ukusebenza okuqhelekileyo kwenkqubo ye-air conditioning yemoto.
Umgaqo wokusebenza we-automotive air conditioning pressure sensor isekelwe kumlinganiselo woxinzelelo, ngokuqhelekileyo uquka ifilimu encinci kunye negridi ye-resistors. Xa uxinzelelo kwi-automotive air conditioning system lutshintsha, uxinzelelo lomlinganiselo olinganisiweyo luya kudluliselwa kwifilimu kwi-sensor. Ifilimu ikhubaza phantsi kwesenzo soxinzelelo, okubangelwa ukutshintshwa kokumelana okuhambelanayo kwegridi yokumelana kwifilimu. Olu tshintsho lokumelana lunokubonwa kwaye lufundwe yisekethe exhunywe kwideshibhodi okanye enye iyunithi yokulawula. ...
Ukusetyenziswa kweenzwa zoxinzelelo lomoya we-automotive air conditioning systems kwii-automotive air conditioning systems ziquka iindidi ezininzi, uhlobo ngalunye lunomsebenzi walo othile kunye nendawo yokufakela. Ngokomzekelo, ukutshintshwa kombane ophezulu kufakwe kumbhobho we-condenser inlet ukuze ulungelelanise isantya somqhubi we-fan kwaye uqinisekise ukuba uxinzelelo lwe-condenser lugcinwa ngaphakathi kwendawo ekhuselekileyo. Xa uxinzelelo lwe-condensing lungaphantsi kwe-1.51 mpa, i-fan igcina ukusebenza kwesantya esiphantsi. Emva kokuba uxinzelelo ludlula i-1.5 mpa, umqhubi uyakhawuleza ukuya kwisantya esiphezulu. Ukongeza, iswitshi yobushushu ephindwe kabini ibekwe ecaleni kwecondenser kwaye idibanisa iswitshi yoxinzelelo oluphezulu kunye nobushushu obupholileyo be-injini ukulawula ukusebenza kwenjini yokupholisa. Xa iqondo lokushisa elipholileyo liphakathi kwe-95 kunye ne-102 ° C, i-fan ijikeleza ngesantya esiphantsi; Xa ubushushu budlula i-102 ° C, i-fan isebenza ngesantya esiphezulu.
Indima ye-automotive air conditioning pressure sensor kwi-automotive air conditioning system kukukhusela inkqubo kunye nokuphucula ukusebenza kakuhle. Banqanda uxinzelelo olugqithisileyo ekubangeleni umonakalo kumalungu ngokubeka esweni utshintsho loxinzelelo ngaphakathi kwenkqubo. Ngokomzekelo, xa uxinzelelo lomgca woxinzelelo oluphezulu lungaphantsi kwe-0.2 mpa okanye ngaphezulu kwe-3.2 mpa, i-clutch ye-electromagnetic clutch inqanyuliwe ukukhusela inkqubo; I-clutch ihlala ibambene phakathi kwe-0.22 kunye ne-3.2 mpa. Ukongeza, iswitshi yobushushu yangaphandle ikhupha i-compressor electromagnetic clutch xa iqondo lobushushu lingaphantsi kwe-5 ° C, nto leyo ithintela icompressor yomoya ukuba isebenze kumaqondo obushushu aphantsi.
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