Yintoni inzwa yoxinzelelo lomoya wemoto
I-sensor yoxinzelelo lomoya opholileyo yeemoto yeyona nto iphambili kwinkqubo yokuphola. Umsebenzi wayo ophambili kukujonga uxinzelelo lwe-refrigerant kwipayipi yomoya opholileyo ngexesha langempela, ukuqinisekisa ukusebenza ngokukhuselekileyo kwe-compressor, kunye nokusebenza nezinye izinto ukulawula ngokuchanekileyo ukuqala nokuma kwefeni yokupholisa kunye ne-compressor. Ngokuqhelekileyo ifakwe kumbhobho woxinzelelo oluphezulu lomoya opholileyo kwindawo yenjini kwaye idlulisela idatha yoxinzelelo oluqokelelweyo kwi-ECU yenjini okanye iyunithi ekhethekileyo yolawulo lomoya opholileyo. Xa i-ECU ifumana isignali yoxinzelelo oluqhelekileyo, iqala i-compressor kunye nefeni yokupholisa; Ukuba kufunyenwe isignali yoxinzelelo olungaqhelekanga, kuthathwa amanyathelo akhawulezileyo ukuthintela izixhobo zomoya opholileyo ezifana nee-compressors ukuba ziqalise, ngaloo ndlela zikhusela yonke inkqubo yokuphola.
I-sensor yoxinzelelo lomoya idla ngokusebenzisa uyilo lwenkqubo yeengcingo ezintathu, imo yayo yokulawula ibandakanya isignali ye-analog, i-Lin bus kunye nolawulo lwe-duty cycle ezintathu. Ukulinganisa i-sensor yoxinzelelo ye-air conditioner, sebenzisa i-multimeter ukulinganisa intambo yamandla, intambo yomhlaba, kunye nentambo yesignali ye-sensor. Kwiimeko eziqhelekileyo, intambo yamandla yi-5V okanye i-12V, intambo yomhlaba yi-0V, kwaye intambo yesignali iyatshintshatshintsha ukusuka kwi-0.5V ukuya kwi-4.5V okanye i-1V ukuya kwi-5V. Ukuba ixabiso elilinganisiweyo lahluke kakhulu kwixabiso eliqhelekileyo, kunokuthetha ukuba i-sensor yonakele okanye kukho uqhagamshelo olubonakalayo kwi-harness.
I-sensor yoxinzelelo lomoya idlala indima ebalulekileyo kwinkqubo yokuphola yemoto. Ukuba i-sensor ayisebenzi, inokubangela ukuba imoto ingabi nampembelelo yokupholisa, i-compressor ayikwazi ukusebenza, okanye iingxaki zokuqala nokumisa rhoqo. Ke ngoko, ukuhlolwa rhoqo kunye nokugcinwa kwe-sensor yoxinzelelo lomoya yindlela ebalulekileyo yokuqinisekisa ukusebenza okuqhelekileyo kwenkqubo yokupholisa umoya yemoto.
Umgaqo wokusebenza kwe-automotive air conditioning pressure sensor usekelwe kumlinganiselo woxinzelelo, odla ngokuba nefilimu encinci kunye negridi yee-resistor. Xa uxinzelelo kwinkqubo ye-automotive air conditioning lutshintsha, uxinzelelo lwe-medium elinganisiweyo luya kudluliselwa kwifilimu kwi-sensor. Ifilimu iyaguquka phantsi kwesenzo soxinzelelo, nto leyo ekhokelela kutshintsho lokumelana oluhambelanayo lwegridi yokumelana kwifilimu. Olu tshintsho lokumelana lunokufunyanwa kwaye lufundwe yisekethe eqhagamshelwe kwideshibhodi okanye kwenye iyunithi yolawulo.
Ukusetyenziswa kwezinzwa zoxinzelelo lomoya opholileyo kwiimoto kwiinkqubo zomoya opholileyo kubandakanya iintlobo ezininzi, uhlobo ngalunye lunomsebenzi walo kunye nendawo olufakelwe kuyo. Umzekelo, iswitshi ephezulu yombane ifakelwe kumbhobho wokungena we-condenser ukuze kulungiswe isantya semoto yefeni kwaye kuqinisekiswe ukuba uxinzelelo lwe-condenser lugcinwa ngaphakathi koluhlu olukhuselekileyo. Xa uxinzelelo lwe-condenser luphantsi kwe-1.51 mpa, ifeni igcina ukusebenza kwesantya esiphantsi. Nje ukuba uxinzelelo ludlule kwi-1.5 mpa, ifeni ikhawuleza iye kwisantya esiphezulu. Ukongeza, iswitshi yobushushu obuphindwe kabini ibekwe ecaleni kwe-condenser kwaye idibanisa iswitshi yoxinzelelo oluphezulu kunye nobushushu be-coolant yenjini ukulawula ukusebenza kwemoto yefeni ebandayo. Xa ubushushu be-coolant buphakathi kwe-95 kunye ne-102 ° C, ifeni ijikeleza ngesantya esiphantsi; Xa ubushushu budlula kwi-102 ° C, ifeni isebenza ngesantya esiphezulu.
Indima yesivamvo soxinzelelo lomoya wemoto kwinkqubo yomoya wemoto kukukhusela inkqubo nokuphucula ukusebenza kakuhle. Zithintela uxinzelelo olugqithisileyo ekubeni lungangcolisi izinto ngokujonga utshintsho loxinzelelo ngaphakathi kwenkqubo. Umzekelo, xa uxinzelelo lomgca woxinzelelo oluphezulu lungaphantsi kwe-0.2 mpa okanye ngaphezulu kwe-3.2 mpa, i-clutch ye-electromagnetic ye-compressor iyaqhawuka ukukhusela inkqubo; I-clutch ihlala isebenza phakathi kwe-0.22 kunye ne-3.2 mpa. Ukongeza, iswitshi yobushushu yangaphandle iyayinqamula i-clutch ye-electromagnetic ye-compressor xa ubushushu bungaphantsi kwe-5 ° C, ithintela i-compressor yomoya ukuba isebenze kumaqondo obushushu aphantsi.
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