Kuwongolera mpweya m'galimoto m'nyengo yozizira. Chifukwa chiyani kuli koyenera kugwiritsa ntchito?
Nthawi zambiri amavomereza kuti timagwiritsa ntchito choziziritsa mpweya kuti tiziziziritsa galimoto m'chilimwe. Komabe, zikagwiritsidwa ntchito moyenera, zimathandizira kwambiri pakuwongolera chitetezo chamsewu. Makamaka masiku amvula, autumn ndi yozizira.
Mosiyana ndi maonekedwe, mfundo yoyendetsera dongosolo lonse sizovuta. Mpweya wozizira ndi dongosolo lotsekedwa lopangidwa ndi zinthu zingapo, komanso mapaipi okhwima komanso osinthasintha. Zonsezi zimagawidwa m'magawo awiri: kuthamanga kwambiri ndi kutsika. Chinthu chowongolera chimayenda m'dongosolo (pakali pano chinthu chodziwika bwino ndi R-134a, chomwe chimasinthidwa pang'onopang'ono ndi opanga omwe ali ndi HFO-1234yf yoyipa kwambiri). Ma compressor ndi kukulitsa mafiriji amatha kuchepetsa kutentha kwa mpweya womwe umadutsa mu air conditioning system ndipo nthawi yomweyo kuchotsa chinyezi. Ndi chifukwa cha ichi kuti mpweya woziziritsa mpweya, anayatsa pa tsiku lozizira, mwamsanga amachotsa chifunga mazenera galimoto.
Mafuta apadera amasungunuka muzoziziritsa, ntchito yake ndikuthira mafuta a air conditioner compressor. Izi, nthawi zambiri zimayendetsedwa ndi lamba wothandizira - kupatula mu magalimoto osakanizidwa pomwe ma compressor oyendetsedwa ndi magetsi (pamodzi ndi mafuta apadera a dielectric) amagwiritsidwa ntchito.
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Kodi chimachitika ndi chiyani woyendetsa akadina batani lokhala ndi chipale chofewa? M'magalimoto akale, kugwirizanitsa kwa viscous kunalola kuti compressor igwirizane ndi pulley yoyendetsedwa ndi lamba wothandizira. Komprekita inasiya kuzungulira itazimitsa choziziritsa mpweya. Masiku ano, valavu yoyendetsedwa ndi magetsi ikugwiritsidwa ntchito kwambiri - compressor nthawi zonse imazungulira, ndipo firiji imapopedwa pokhapokha ngati mpweya wa mpweya uli woyaka. "Vuto ndiloti mafuta amasungunuka mufiriji, motero kuyendetsa galimoto kwa miyezi ingapo mutazimitsidwa choyatsira mpweya kumapangitsa kuti ma compressor avale mofulumira," akufotokoza motero Constantin Yordache wa ku Valeo.
Choncho, pakuwona kulimba kwa dongosolo, mpweya wozizira uyenera kuyatsidwa nthawi zonse. Koma nanga bwanji kugwiritsa ntchito mafuta? Sena tatukonzyi kubikkila maano kuzintu zyakumuuya kwiinda mukubikkila maano kuzintu zyakumuuya munzila eeyi? “Opanga makina oziziritsira mpweya akugwira ntchito mosalekeza kuonetsetsa kuti ma compressor amadzaza injini pang'ono momwe angathere. Panthawi imodzimodziyo, mphamvu za injini zomwe zimayikidwa pa magalimoto zimawonjezeka, ndipo pokhudzana ndi iwo, mpweya wa mpweya wa compressor ndi wochepa kwambiri. Kuyatsa choziziritsa mpweya kumawonjezera kuwononga mafuta ndi gawo limodzi mwa magawo khumi a lita pa kilomita 100 iliyonse,” akufotokoza motero Konstantin Iordache. Kumbali ina, kompresa yomata imaphatikizapo zambiri kuposa kungophatikizanso ndi kugwirizanitsanso. Constantin Iordache anati: “Ngati zosefera zachitsulo zimaonekera mu makina oziziritsira mpweya chifukwa cha makina omata, makinawo amafunikiranso kusinthidwa, chifukwa palibe njira yabwino yotsuka utuchi wa utuchi m’machubu ake oyendera limodzi,” anatero Constantin Iordache.
Choncho, musaiwale kuti nthawi zonse, kamodzi pazaka ziwiri zilizonse, mutumikire mpweya wozizira, komanso kusintha kozizira ndipo, ngati n'koyenera, kusintha mafuta mu compressor. Komabe, chofunikira kwambiri, chowongolera mpweya chiyenera kugwiritsidwa ntchito chaka chonse. Izi zidzachepetsa kwambiri chiopsezo cha kuwonongeka kwa dongosolo ndikuwonjezera chitetezo choyendetsa galimoto chifukwa chowoneka bwino kumbuyo kwa chiwongolero.
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