Ukufuduka kolwelo olubandayo
Ukufuduka kwe-refrigerant kubhekisa ekuqokeleleni kwe-refrigerant engamanzi kwi-crankcase ye-compressor xa i-compressor ivaliwe. Logama nje ubushushu obungaphakathi kwi-compressor buphantsi kunobushushu obungaphakathi kwi-evaporator, umahluko woxinzelelo phakathi kwe-compressor kunye ne-evaporator uya kuyiqhubela i-refrigerant kwindawo ebandayo. Le meko inokwenzeka kakhulu kwiinyanga zasebusika ezibandayo. Nangona kunjalo, kwizixhobo ze-air conditioning kunye ne-heat pump, xa iyunithi ye-condensing ikude ne-compressor, nokuba ubushushu buphezulu, imeko yokufuduka inokwenzeka.
Xa inkqubo ivaliwe, ukuba ayivulwanga kwiiyure ezimbalwa, nokuba akukho mahluko kuxinzelelo, into yokufuduka inokwenzeka ngenxa yokutsalwa kweoyile efrijini kwi-crankcase kwi-refrigerant.
Ukuba i-refrigerant egqithisileyo ingena kwi-crankcase ye-compressor, kuya kwenzeka i-liquid shock enkulu xa i-compressor iqala, nto leyo ekhokelela kwiingxaki ezahlukeneyo ze-compressor, ezifana nokuqhekeka kwediski yevalvu, umonakalo wepiston, ukungaphumeleli kweebheringi kunye nokukhukuliseka kweebheringi (i-refrigerant ihlamba ioyile ebandayo kwi-bearing).
Ulwelo oluphuma kwifriji luphuphuma
Xa ivalvu yokwandisa ingaphumeleli ukusebenza, okanye ifeni ye-evaporator ingaphumeleli okanye ivalwe sisihluzo somoya, i-liquid refrigerant iya kugcwala kwi-evaporator ize ingene kwi-compressor njengolwelo endaweni yokuba iphume ngomphunga ngetyhubhu yokufunxa. Xa iyunithi isebenza, ukugcwala kolwelo kuyayinyibilikisa ioyile efrijini, nto leyo ebangela ukuba iindawo ezishukumayo ze-compressor ziguge, kwaye ukuncitshiswa koxinzelelo lweoyile kukhokelela kwisenzo sesixhobo sokhuseleko loxinzelelo lweoyile, nto leyo eyenza ukuba i-crankcase ilahlekelwe yioyile. Kwimeko enjalo, ukuba umatshini uvaliwe, into yokufuduka kwe-refrigerant iya kwenzeka ngokukhawuleza, nto leyo ebangela ukuqhawuka kolwelo xa iqaliswa kwakhona.
Isando solwelo
Xa kusenzeka ulwelo, isandi sentsimbi esiphuma kwi-compressor sinokuvakala, kwaye i-compressor inokukhatshwa kukungcangcazela okunamandla. I-Hydraulic percussion inokubangela ukuqhekeka kwevalvu, umonakalo we-compressor head gasket, ukwaphuka kwentonga yoqhagamshelwano, ukwaphuka kweshaft kunye nezinye iintlobo zomonakalo we-compressor. Xa i-liquid refrigerant ingena kwi-crankcase, ukutshayiswa kolwelo kuya kwenzeka xa i-crankcase ivuliwe. Kwezinye iiyunithi, ngenxa yesakhiwo sombhobho okanye indawo yezixhobo, i-liquid refrigerant iya kuqokelelana kwityhubhu yokufunxa okanye kwi-evaporator ngexesha lokungasebenzi kweyunithi, kwaye iya kungena kwi-compressor ngendlela yolwelo olucocekileyo ngesantya esiphezulu xa ivuliwe. Isantya kunye ne-inertia ye-hydraulic stroke zanele ukutshabalalisa ukhuseleko lwaso nasiphi na isixhobo se-compressor esakhelwe ngaphakathi se-anti-hydraulic stroke.
Isenzo sesixhobo sokulawula ukhuseleko loxinzelelo lweoyile
Kwiyunithi ekhupha i-cryogenic, emva kwexesha lokususa iqabaka, ukugcwala kwe-refrigerant engamanzi kudla ngokubangela ukuba isixhobo sokulawula ukhuseleko lwe-oyile sisebenze. Iinkqubo ezininzi zenzelwe ukuvumela i-refrigerant ukuba iqine kwi-evaporator nakwityhubhu yokufunxa ngexesha lokunyibilikisa, ize idlulele kwi-crankcase ye-compressor xa iqala ukusebenza okubangela ukuba uxinzelelo lwe-oyile luyehle, okubangela ukuba isixhobo sokhuseleko lwe-oyile sisebenze.
Ngamanye amaxesha kube kanye okanye kabini isenzo sesixhobo sokulawula ukhuseleko loxinzelelo lweoyile asiyi kuba nempembelelo enkulu kwicompressor, kodwa amaxesha aphindaphindwayo xa kungekho meko ilungileyo yokuthambisa aya kukhokelela ekusileleni kwecompressor. Isixhobo sokulawula ukhuseleko loxinzelelo lweoyile sidla ngokuthathwa ngumsebenzisi njengempazamo encinci, kodwa sisilumkiso sokuba icompressor ibisebenza ngaphezulu kwemizuzu emibini ngaphandle kokuthambisa, kwaye amanyathelo okulungisa kufuneka aqaliswe ngexesha elifanelekileyo.
Amayeza acetyiswayo
Okukhona inkqubo yokufriji itshajwa kakhulu, kokukhona amathuba okuba ingaphumeleli. Kuphela xa icompressor kunye nezinye izinto eziphambili zenkqubo ziqhagamshelwe kunye ukuze kuvavanywe inkqubo apho itshaja ephezulu nekhuselekileyo yerefrigerant inokumiselwa. Abavelisi becompressor banako ukumisela ubungakanani obukhulu berefrigerant engamanzi ekufuneka itshajwe ngaphandle kokulimaza iindawo ezisebenzayo zecompressor, kodwa abanako ukumisela ukuba ingakanani itshaja iyonke yerefrigerant kwinkqubo yokufriji ekwicompressor kwiimeko ezininzi ezigqithisileyo. Ubungakanani obukhulu berefrigerant engamanzi enokumelanwa yicompressor buxhomekeke kuyilo lwayo, ubungakanani bomxholo kunye nobungakanani beoyile yerefrigerant etshajiweyo. Xa kusenzeka ukufuduka kolwelo, ukugcwala okanye ukungqubana kolwelo, kufuneka kuthathwe amanyathelo okulungisa afunekayo, uhlobo lwenyathelo lokulungisa luxhomekeke kuyilo lwenkqubo kunye nohlobo lokusilela.
Nciphisa inani le-refrigerant ehlawuliswayo
Eyona ndlela ilungileyo yokukhusela i-compressor ekusileleni okubangelwa zi-refrigerants ezingamanzi kukunciphisa i-refrigerant charge ukuya kuluhlu oluvumelekileyo lwe-compressor. Ukuba oku akunakwenzeka, ubungakanani bokuzalisa kufuneka buncitshiswe kangangoko kunokwenzeka. Phantsi kwemeko yokufikelela kwisantya sokuhamba, i-condenser, i-evaporator kunye nombhobho wokudibanisa kufuneka zisetyenziswe kancinci kangangoko, kwaye i-liquid reservoir kufuneka ikhethwe kancinci kangangoko. Ukunciphisa ubungakanani bokuzalisa kufuna ukusebenza ngokuchanekileyo ukuze kuqatshelwe iglasi yamehlo ngamaqamza abangelwa bububanzi obuncinci betyhubhu yolwelo kunye noxinzelelo oluphantsi lwentloko, olunokukhokelela ekuzaleni kakhulu.
Umjikelo wokuphuma
Eyona ndlela isebenzayo nethembekileyo yokulawula i-liquid refrigerant kukujikeleza kokuphuma. Ingakumbi xa ubungakanani betshaja yenkqubo bukhulu, ngokuvala i-solenoid valve yombhobho wolwelo, i-refrigerant inokupompelwa kwi-condenser nakwi-liquid reservoir, kwaye i-compressor isebenza phantsi kolawulo lwesixhobo solawulo lokhuseleko oluphantsi, ngoko ke i-refrigerant yahlulwe kwi-compressor xa i-compressor ingasebenzi, kuthintelwe ukufuduka kwe-refrigerant ukuya kwi-compressor crankcase. Kucetyiswa ukusebenzisa umjikelo wokuphuma oqhubekayo ngexesha lesigaba sokuvala ukuthintela ukuvuza kwe-solenoid valve. Ukuba ngumjikelo omnye wokuphuma, okanye obizwa ngokuba yi-non-recirculating control mode, kuya kubakho umonakalo omkhulu wokuvuza kwe-refrigerant kwi-compressor xa ivaliwe ixesha elide. Nangona umjikelo wokuphuma oqhubekayo ungowona ndlela ilungileyo yokuthintela ukufuduka, awukhuseli i-compressor kwimiphumo emibi yokugcwala kwe-refrigerant.
Isifudumezi seCrankcase
Kwezinye iinkqubo, iindawo zokusebenza, iindleko, okanye izinto ezikhethwa ngabathengi ezinokwenza imijikelo yokufuduka ingenzeki, ii-crankcase heaters zinokulibazisa ukufuduka.
Umsebenzi we-crankcase heater kukugcina ubushushu beoyile ebandayo kwi-crankcase bungaphezulu kobushushu benxalenye esezantsi yenkqubo. Nangona kunjalo, amandla okufudumeza e-crankcase heater kufuneka ancitshiswe ukuze kuthintelwe ubushushu obugqithisileyo kunye nokuqandisa i-oyile yekhabhoni. Xa ubushushu obujikeleze umhlaba busondele kwi -18° C, okanye xa ityhubhu yokufunxa iveziwe, indima yeheater ye-crankcase iya kulungiswa kancinci, kwaye isiganeko sokufuduka sisenokwenzeka.
Izifudumezi zeCrankcase zihlala zifudunyezwa rhoqo xa zisetyenziswa, kuba xa ifriji ingena kwi-crankcase ize ijiye kwioyile ebandayo, kungathatha iiyure ezininzi ukuyibuyisela kwityhubhu yokufunxa kwakhona. Xa imeko ingekho mbi kakhulu, i-crankcase heater isebenza kakuhle ekuthinteleni ukufuduka, kodwa i-crankcase heater ayinakukhusela i-compressor kumonakalo obangelwa kukubuyela umva kolwelo.
Isahluli segesi nolwelo lwetyhubhu yokufunxa
Kwiinkqubo ezinengxaki yokugcwala kolwelo, kufuneka kufakwe isahluli-gesi kumgca wokufunxa ukuze kugcinwe okwethutyana ifriji yolwelo echithekileyo kwinkqubo kwaye kubuyiselwe ifriji yolwelo kwicompressor ngesantya esinokumelana naso icompressor.
Ukugcwala kwefriji kunokwenzeka kakhulu xa ipompo yobushushu itshintshwa ukusuka kwimeko yokupholisa ukuya kwimeko yokufudumeza, kwaye ngokubanzi, isahluli segesi nolwelo setyhubhu yokufunxa sisixhobo esifunekayo kuzo zonke iipompo zobushushu.
Iinkqubo ezisebenzisa igesi eshushu ukunyibilikisa iqhwa nazo zinokuba nolwelo olugqithisileyo ekuqaleni nasekupheleni kwe-defroster. Izixhobo ezishushu kakhulu ezifana neefriji ezingamanzi kunye neecompressor kwiimeko zokubonisa ubushushu obuphantsi zinokubangela ukugqithisa ngamanye amaxesha ngenxa yokulawulwa okungafanelekanga kwefriji. Kwizixhobo zezithuthi, xa ziziva ixesha elide lokuvala, zikwanokuba nokugqithisa okukhulu xa ziphinda ziqaliswe.
Kwicompressor enamanqanaba amabini, ukufunxa kubuyiselwa ngqo kwisilinda esezantsi kwaye akudluli kwigumbi lemoto, kwaye kufuneka kusetyenziswe isahluli segesi-ulwelo ukukhusela ivalvu yecompressor kumonakalo wokuqhuma kolwelo.
Ngenxa yokuba iimfuno zetshaja iyonke yeenkqubo ezahlukeneyo zokukhenkcisa zahlukile, kwaye iindlela zokulawula ifriji zahlukile, nokuba kufuneka isahluli segesi-ulwelo kwaye kufuneka ubungakanani bomhluli wegesi-ulwelo kuxhomekeke kwiimfuno zenkqubo ethile kakhulu. Ukuba ubungakanani bokuhamba kolwelo abukavavanywanga ngokuchanekileyo, indlela yoyilo olulondolozayo kukufumanisa amandla okwahlulahlula igesi-ulwelo kwi-50% yentlawulo iyonke yenkqubo.
Isahluli seoyile
Isihluzi seoli asinakuyisombulula ingxaki yokubuya kweoyile ebangelwe kuyilo lwenkqubo, kwaye asinakuyisombulula ingxaki yokulawula ifriji yolwelo. Nangona kunjalo, xa ukusilela kolawulo lwenkqubo kungenakusombululwa ngezinye iindlela, isihluzi seoli sinceda ukunciphisa ubungakanani beoyile ejikeleza kwinkqubo, nto leyo enokunceda inkqubo kwixesha elibalulekileyo de ulawulo lwenkqubo lubuyele kwisiqhelo. Umzekelo, kwiyunithi yobushushu obuphantsi kakhulu okanye kwi-evaporator epheleleyo yolwelo, ioyile yokubuyisela inokuchaphazeleka kukunyibilika, apho isihluzi seoli sinokunceda ukugcina ubungakanani beoyile ebandayo kwi-compressor ngexesha lokunyibilika kwenkqubo.
Ixesha lokuthumela: Sep-07-2023
