UL 1973: 2022 mgbanwe mgbanwe
UL 1973: 2022nnukwu mgbanwe,
UL 1973: 2022,
▍ Gịnị bụ cTUVus & ETL CERTIFICATION?
OSHA (Nchekwa Ahụike na Ọrụ), nke jikọrọ US DOL (Ngalaba Ọrụ), na-achọ ka ngwaahịa niile a ga-eji n'ebe ọrụ ga-anwale ma nweta asambodo NRTL tupu ere ya n'ahịa. Ụkpụrụ nnwale ndị ọdabara gụnyere ụkpụrụ American National Standards Institute (ANSI); Ụkpụrụ American Society for Testing Material (ASTM), Standardwriter Laboratory (UL) ụkpụrụ, na ụlọ ọrụ mmepụta ihe ụkpụrụ nnabata ibe.
▍OSHA, NRTL, cTUVus, ETL na UL nkọwa nkọwa na mmekọrịta
OSHA:Mbiri nke nchekwa nchekwa na ahụike ọrụ. Ọ bụ njikọ nke US DOL (Department of Labor).
NRTL:Mbiri nke ụlọ nyocha nyocha nke mba. Ọ na-ahụ maka nzere ụlọ nyocha. Ruo ugbu a, enwere ụlọ ọrụ nnwale 18 nke ndị NRTL kwadoro, gụnyere TUV, ITS, MET na ndị ọzọ.
cTUVus:Akara asambodo nke TUVRh na North America.
ETL:Mbiri nke American Eletriki Laboratory. E guzobere ya na 1896 site n'aka Albert Einstein, onye America mepụtara ya.
UL:Mkpebi nke Underwriter Laboratories Inc.
▍ Ọdịiche dị n'etiti cTUVus, ETL & UL
| Ihe | UL | cTUVus | ETL |
| Ọkọlọtọ etinyere | Otu | ||
| Ụlọ ọrụ tozuru oke maka nnata akwụkwọ | NRTL (ụlọ nyocha nke mba kwadoro) | ||
| Ngwa ahịa | North America (US na Canada) | ||
| Ụlọ nyocha na asambodo | Underwriter Laboratory (China) Inc na-eme nnwale ma wepụta leta mmechi oru ngo | MCM na-eme nnwale yana asambodo mbipụta TUV | MCM na-eme nnwale yana asambodo mbipụta TUV |
| Etiti oge | 5-12W | 2-3W | 2-3W |
| Ọnụ ego ngwa | Kachasị elu na ọgbọ | Ihe dị ka 50 ~ 60% nke ọnụ ahịa UL | Ihe dị ka 60 ~ 70% nke ọnụ ahịa UL |
| Uru | Ụlọ ọrụ obodo America nwere ezigbo nkwado na US na Canada | Ụlọ ọrụ mba ụwa nwere ikike ma na-enye ọnụahịa ezi uche dị na ya, North America na-amakwa ya | Ụlọ ọrụ America nwere ezigbo nkwado na North America |
| Mwepu |
| Nkwenye akara dị obere karịa nke UL | Nghọta pere mpe karịa nke UL na asambodo akụrụngwa ngwaahịa |
▍ Gịnị kpatara MCM?
● Nkwado dị nro site na ntozu na teknụzụ:Dị ka ụlọ nyocha nyocha nke TUVRH na ITS na Asambodo North America, MCM nwere ike ịme ụdị nnwale ọ bụla ma nye ọrụ ka mma site n'ịgbanwe teknụzụ ihu na ihu.
● Nkwado siri ike sitere na teknụzụ:A kwadebere MCM ngwa nyocha niile maka batrị nke nnukwu, obere na ọrụ nkenke (ya bụ ụgbọ ala eletriki, ike nchekwa, na ngwaahịa dijitalụ elektrọn), nwee ike ịnye ọrụ nnwale batrị na asambodo na North America, na-ekpuchi ụkpụrụ. UL2580, UL1973, UL2271, UL1642, UL2054 na ndị ọzọ.
UL 1973: 2022E bipụtara ya na February 25. Ụdị a gbadoro ụkwụ na ntinye ntụnye abụọ ewepụtara na Mee na Ọktọba nke afọ 2021. Ọkọlọtọ gbanwetụrụ na-agbasawanye oke ya, gụnyere sistemu inyeaka ike ụgbọ ala (dịka ọkụ na nzikọrịta ozi).
Mgbakwunye 7.7 Transformer: a ga-enye akwụkwọ ikike ngbanwe maka sistemụ batrị n'okpuru UL 1562 na UL 1310 ma ọ bụ ụkpụrụ ndị dị mkpa. Enwere ike ị nweta akwụkwọ ikike dị ala n'okpuru 26.6.
Mmelite 7.9: Sekit nchekwa na njikwa: sistemu batrị ga-enye mgba ọkụ ma ọ bụ ihe mgbaji, nke kacha nta nke achọrọ ka ọ bụrụ 60V kama ịbụ 50V. Ihe mgbakwunye chọrọ maka nkuzi maka fuse overcurrent.
Nwelite 7.12 cell (batrị na electrochemical capacitor): N'ihi na rechargeable Li-ion sel, ule n'okpuru mgbakwunye E a chọrọ, na-enweghị na-atụle UL 1642. Sel na-achọkwa ka enyocha ya ma ọ bụrụ na izute chọrọ nchekwa imewe, dị ka ihe na ọnọdụ nke insulator. mkpuchi nke anode na cathode, wdg.
Tinye chajị ọnụ ahịa dị elu 16: Nyochaa nchedo nchaji nke sistemu batrị nwere ihe kariri chaja ugbu a. Kwesịrị ịnwale na 120% nke ọnụego nchaji kacha.
Tinye 17 Short Circuit Test: Mepụta ule sekit dị mkpirikpi maka modul batrị chọrọ ntinye akwụkwọ ma ọ bụ mgbanwe.
