Ucwaningo kuI-Direct CurrentUkumelana,
I-Direct Current,

▍ Isitifiketi se-MIC saseVietnam

I-Circular 42/2016/TT-BTTTT ibalule ukuthi amabhethri afakwe kumaselula, amathebulethi kanye nezincwadi zokubhalela awavunyelwe ukuthunyelwa e-Vietnam ngaphandle uma engaphansi kwesitifiketi se-DoC kusukela ngo-Oct.1,2016. I-DoC kuyodingeka futhi ukuthi ihlinzeke lapho kufakwa Ukugunyazwa Kohlobo lwemikhiqizo yokugcina (omakhalekhukhwini, amaphilisi namathebulethi).

I-MIC ikhiphe i-Circular 04/2018/TT-BTTTT entsha ngoMeyi, 2018 ebeka ukuthi awusekho umbiko we-IEC 62133:2012 okhishwe ilabhorethri egunyazwe phesheya owamukelwa ngoJulayi 1, 2018. Ukuhlolwa kwendawo kuyadingeka ngenkathi ufaka isicelo sesitifiketi se-ADoC.

▍ Izinga Lokuhlola

I-QCVN101:2016/BTTT(bheka i-IEC 62133:2012)

▍PQIR

Uhulumeni wase-Vietnamese ukhiphe isimemezelo esisha No. 74/2018 / ND-CP ngoMeyi 15, 2018 ukuze sicacise ukuthi izinhlobo ezimbili zemikhiqizo engeniswe e-Vietnam zingaphansi kwesicelo se-PQIR (Product Quality Inspection Registration) lapho ilethwa e-Vietnam.

Ngokusekelwe kulo mthetho, i-Ministry of Information and Communication (MIC) yase-Vietnam ikhiphe idokhumenti esemthethweni ethi 2305/BTTTT-CVT ngoJulayi 1, 2018, ecacisa ukuthi imikhiqizo engaphansi kolawulo lwayo (okuhlanganisa namabhethri) kufanele ifakwe isicelo se-PQIR lapho ilethwa ngaphandle. eVietnam. I-SDoC izolethwa ukuze kuphothulwe inqubo yokugunyazwa kwentela engenayo. Idethi esemthethweni yokuqala ukusebenza kwalo mthethonqubo umhla ziyi-10 kuNcwaba, 2018. I-PQIR isetshenziswa ekungeniseni okukodwa e-Vietnam, okungukuthi, ngaso sonke isikhathi uma ongenisa impahla evela kwamanye amazwe engenisa impahla, uzofaka isicelo se-PQIR (ukuhlolwa kweqoqo) + SDoC.

Nokho, kubangenisi abaphuthuma ukuletha izimpahla ngaphandle kwe-SDOC, i-VNTA izoqinisekisa okwesikhashana i-PQIR futhi yenze kube lula ukuvunyelwa kwentela. Kodwa abathenga kwamanye amazwe kudingeka bathumele i-SDoC kwa-VNTA ukuze baqedele lonke uhlelo lokugunyazwa kwentela phakathi kwezinsuku eziyi-15 zokusebenza ngemva kokuvunyelwa kwentela. (I-VNTA ngeke isakhipha i-ADOC yangaphambilini esebenza kuphela kubakhi bendawo base-Vietnam)

▍Kungani i-MCM?

● Ukwabelana ngolwazi lwakamuva

● Umsunguli-munye welabhorethri yokuhlola ibhethri ye-Quacert

I-MCM ngaleyo ndlela iba ukuphela komenzeli wale lebhu e-Mainland China, Hong Kong, Macau naseTaiwan.

● Isevisi ye-Ejensi yokuma eyodwa

I-MCM, i-ejensi ekahle yokuma okukodwa, ihlinzeka ngokuhlolwa, izitifiketi kanye nesevisi ye-ejenti kumakhasimende.

Ngesikhathi sokushaja nokukhipha amabhethri, amandla azothonywa ukugcwala ngokweqile okubangelwa ukumelana kwangaphakathi. Njengepharamitha ebalulekile yebhethri, ukumelana kwangaphakathi kuwufanele ucwaningo ukuze kuhlaziywe ukuwohloka kwebhethri. Ukumelana kwangaphakathi kwebhethri kuqukethe:I-Ohm ukumelana kwangaphakathi (RΩ) -Ukumelana namathebhu, i-electrolyte, isihlukanisi nezinye izakhi.Izindleko zokudlulisa ukumelana kwangaphakathi (Rct) - Ukumelana kwamathebhu adlula ama-ion kanye ne-electrolyte. Lokhu kumelela ubunzima bokusabela kwamathebhu. Ngokujwayelekile singakwazi ukwandisa ukuqhutshwa kokunciphisa lokhu kumelana.I-Polarization Resistance (Rmt) ukumelana kwangaphakathi okubangelwa ukuminyana okungalingani kwe-lithium ion phakathi kwe-cathode ne-anode. I-Polarization Resistance izoba phezulu ezimeni ezifana nokushajwa kwezinga lokushisa eliphansi noma inkokhiso enesilinganiso esiphezulu.Ngokujwayelekile sikala i-ACIR noma i-DCIR. I-ACIR ukumelana kwangaphakathi kukalwa ngo-1k Hz AC wamanje. Lokhu kumelana kwangaphakathi kwaziwa nangokuthi ukumelana kwe-Ohm. Ukushoda kwedatha ukuthi ayikwazi ukukhombisa ngqo ukusebenza kwebhethri. I-DCIR ikalwa ngokuphoqwa okungaguquki kwamandla ngesikhathi esifushane, lapho i-voltage ishintsha njalo. Uma i-current esheshayo ithi I, futhi ukushintsha kwamandla kagesi kuleso sikhathi esifushane kungu-ΔＵ, ngokomthetho we-OhmＲ＝ΔＵ／Ｉ Singathola i-DCIR. I-DCIR ayikona nje ukumelana ne-Ohm yangaphakathi, kodwa futhi ukumelana nokushaja kokudlulisa kanye nokumelana ne-polarization.
Kuhlala kuwubunzima ocwaningweni lwe-DCIR yebhethri ye-lithium-ion. Ikakhulukazi kungenxa yokuthi ukumelana kwangaphakathi kwebhethri le-lithium-ion kuncane kakhulu, ngokuvamile i-mΩ ethile. Okwamanje njengengxenye esebenzayo, kunzima ukukala ukumelana kwangaphakathi ngokuqondile. Ngaphandle kwalokho, ukumelana kwangaphakathi kuthonywa isimo sendawo, njengezinga lokushisa nesimo sezindleko. Ngezansi kunamazinga ashiwo mayelana nendlela yokuhlola i-DCIR.
Izinga lamazwe ngamazwe:
I-IEC 61960-3: Amaseli wesibili namabhethri aqukethe i-alkaline noma amanye ama-electrolyte angewona ama-asidi - Amaseli e-lithium yesibili namabhethri wezinhlelo eziphathwayo - Ingxenye 3: Amaseli esibili e-lithium e-prismatic kanye ne-cylindrical kanye namabhethri enziwe ngawo.
I-IEC 62620:2014: Amaseli esibili namabhethri aqukethe i-alkaline noma amanye ama-electrolyte angewona ama-asidi - Amaseli e-lithium yesibili namabhethri azosetshenziswa ezinhlelweni zezimboni.