Sezvatinoziva, kune akawanda tekinoroji zviyero zvekuyera makirasi emagetsi akavharirwa uye kuti anopokana sei nekudzivirira kwezvimwe zvinhu.NEMA ratings uye IP ratings inzira mbiri dzakasiyana dzekutsanangura madhigirii edziviriro kubva kune zvinhu zvakaita semvura neguruva, kunyangwe ivo vachishandisa nzira dzakasiyana kuyedza uye paramita kutsanangura avo akavharirwa marudzi.Zvose zviri zviviri zviyero zvakafanana, asi zvichine zvimwe zvakasiyana.
Pfungwa yeNEMA inoreva sangano reNational Electrical Manufacturers Association (NEMA) rinova sangano guru rekutengeserana nevagadziri vemidziyo yemagetsi muWashington DC, United States.Inoburitsa inodarika 700 zviyero, madhairekitori, uye mapepa ehunyanzvi.Iyo Marjory yemazinga ndeaya emagetsi akavharirwa, mota uye magineti waya, AC plugs, uye midziyo.Zvakare, zvibatanidza zveNEMA hazvisi zvepasi rose muNorth America chete asi zvakare zvinoshandiswa nedzimwe nyika.Chiripo ndechekuti NEMA isangano risingaite kubvumidzwa nekusimbisa zvigadzirwa.NEMA ratings inopa yakamisikidzwa yakavharirwa kugona kutsungirira mamwe mamiriro ezvakatipoteredza kuti ave nechokwadi chekuchengetedza, kuenderana, uye kushanda kwezvigadzirwa zvemagetsi.Iwo mareti haana kujairika anoshandiswa kune nharembozha uye anonyanya kuiswa kune akavharirwa akavharirwa.Semuyenzaniso, muyero weNEMA unozoiswa kubhokisi remagetsi rakaiswa panze, kana pakavharirirwa yakavharirwa inoshandiswa kuisa nzvimbo yekupinda isina waya.Mazhinji akavharirwa akatemerwa kushandiswa munzvimbo yekunze anosanganisira chiyero cheNEMA 4.Mayero acho anobva kuNEMA 1 kusvika kuNEMA 13. Zviyero zveNEMA (Appendix I) zvine zvakasiyana-siyana zvinodiwa kuti zvienderane nedziviriro kubva kuchando chekunze, zvinhu zvinopisa, kunyudzwa kwemafuta, huruva, mvura, nezvimwewo. Izvi zvinodiwa zvekuyedzwa hazviwanzo kushandiswa nharembozha zvichienzaniswa neyakagadzika.
International Electrotechnical Commission (IEC) isangano repasi rose rezviyero rinogadzira uye kushambadza zviyero zvepasi rose zvemagetsi, zvemagetsi, uye zvine hukama matekinoroji.Zviyero zveIEC zvinosanganisira tekinoroji yakakura kubva pakugadzira magetsi, kutapurirana, uye kubatsira kumidziyo yemuhofisi nemidziyo yemumba, semiconductors, mabhatiri, uye simba rezuva, nezvimwewo. IEC inoshandisawo 4 global conformity assessment masisitimu ayo anosimbisa kana midziyo, system, kana zvikamu zvinoenderana nemaitiro ayo epasi rose.Imwe yemitemo inoshanda inonzi Ingress Dziviriro (IP) Code inotsanangurwa neIEC chiyero 60529 iyo inoronga uye kuyera dhigirii redziviriro rinopihwa nemakanika casings uye magetsi akavharirwa kubva mukupindira, huruva, kusangana netsaona, uye mvura.Inoumbwa nenhamba dzine manhamba maviri.Dijiti rekutanga rinoratidza mwero wedziviriro iyo yakavharirwa inopihwa kubva mukusvika kune zvine njodzi zvikamu senge zvinofamba zvikamu, uye switch.Zvakare, kuwanikwa kwezvinhu zvakasimba kwaizoratidzwa seyero kubva ku0 kusvika 6. Nhamba yechipiri inoratidza mwero wedziviriro iyo yakavharirwa inopa kune inokuvadza ingress yemvura iyo yaizosimbiswa nedanho kubva ku0 kusvika 8. Kana paine hapana chinodiwa kuti chitsanangurwe mune chero yendima idzi, vara X raizotsiviwa nenhamba inoenderana.
Zvichienderana neruzivo rwuri pamusoro, tinoziva kuti NEMA neIP zviyero zviviri zvekudzivirira zvakavharirwa.Musiyano pakati peNEMA ratings uye IP ratings iyo yekutanga inosanganisira kuchengetedzwa kweaizi yekunze, zvinosvibisa zvinhu, kunyudzwa kwemafuta, guruva, uye mvura, nepo yekupedzisira ichingosanganisira kuchengetedzwa kweguruva nemvura.Zvinoreva kuti NEMA inovhara mamwe mazinga ekudzivirira ekuwedzera senge corrosion zvinhu kuIP.Mune mamwe mazwi, hapana kutendeuka kwakananga pakati pavo.NEMA mazinga anogutsikana kana kudarika IP ratings.Nekune rimwe divi, IP ratings haifanire kusangana nezviyero zveNEMA, sezvo NEMA ichisanganisira zvimwe zvigadzirwa uye bvunzo dzisina kupihwa neIP rating system.Kumunda wechishandiso, NEMA inopihwa maindasitiri ekushandisa uye inonyanya kushandiswa muNorth America, nepo IP ratings inogona kuvhara seti yezvikumbiro pasi rese.
Muchidimbu, pane kuwirirana pakati peNEMA ratings uye IP ratings.Zvakadaro, izvi zvine chekuita neguruva nemvura.Kunyangwe zvichikwanisika kuenzanisa iyi miedzo miviri, kuenzanisa kunongoenderana nedziviriro inopihwa kubva kuguruva nekunyorova.Vamwe vanogadzira nharembozha vanozosanganisira zviyero zveNEMA mune zvavanotaura, uye zvakakosha kuti unzwisise kuti iyo NEMA yakatarwa inopindirana sei neiyo IP ratings.
Nguva yekutumira: Jun-27-2022