UL{0}}CertifiedLED Tube Teeb: Tsim & Kev Xaiv Cov Khoom Siv Qhia rau North American Market Ua raws

Nkag mus rau North American LED teeb pom kev lag luam yuav tsum muaj ntau tshaj li kev txhim kho kev ua tau zoo thiab tsim qauv zoo nkauj - tau txais ntawv pov thawj UL (Underwriters Laboratories) yog qhov tsis yog - qhov yuav tsum tau sib tham kom tau txais kev ntseeg siab thiab kev cai lij choj. UL- tau ntawv pov thawj LED raj lub teeb, raws li qhov siab - xav tau cov khoom lag luam hauv kev lag luam thiab thaj chaw, yuav tsum ua raws li cov qauv nruj, hluav taws xob, thiab rwb thaiv tsev thaum tsim thiab xaiv cov khoom siv. Kab lus no ua raws li EEAT txoj cai, kev koom ua ke kev tso cai UL cov qauv (UL8750, UL2097, UL1993), kev qhia tshwj xeeb, thiab kev ua haujlwm zoo tshaj plaws hauv kev lag luam txhawm rau tshawb nrhiav cov ntsiab lus tsim qauv, cov khoom xav tau, thiab cov tswv yim ua raws li UL- tau ntawv pov thawjLED tube teeb. Nws muab cov lus qhia ua tau zoo rau cov tuam txhab tsim khoom, cov tsim qauv, thiab cov kws tshaj lij kev muag khoom txhawm rau taug qab cov txheej txheem UL ntawv pov thawj ua tiav, txhawb nqa los ntawm cov lus qhia ntxaws thiab cov kws tshaj lij kev pom.

Dab tsi yog Core UL Certification Requirements rauLED Tube TeebMechanical Structure?

Cov qauv siv tshuab ntawm UL- ntawv pov thawj LED raj lub teeb ncaj qha cuam tshuam rau kev nyab xeeb, ua haujlwm ntev, thiab ua raws. Cov ntsiab lus tseem ceeb suav nrog lub hauv paus teeb, cov ntaub thaiv npog (hlau lossis yas), thiab lub teeb - cov khoom sib txawv, nrog rau cov khoom siv tshwj xeeb thiab cov qauv dav dav uas yuav tsum tau ua kom dhau qhov kev xeem UL.

Teeb Base Specifications

North American kev lag luam feem ntau siv lub hauv paus teeb xws li G13 (rau T8 LED raj teeb), E26, E12, GU24, thiab GU10. UL daim ntawv pov thawj tswj hwm cov khoom siv nruj thiab plating kom ntseeg tau tias hluav taws xob conductivity, corrosion kuj, thiab txhua yam muaj zog:

Khoom siv: Copper alloys (Ntau dua los yog sib npaug rau 80% tooj liab cov ntsiab lus), npib tsib xee alloys, stainless hlau, los yog txhuas- tooj liab composites nrog npib tsib xee plating. Copper alloys muaj kev ua tau zoo heev, thaum nickel plating txhim khu kev tiv thaiv corrosion - tseem ceeb rau ntev - siv nyob rau hauv qhov chaw ntub dej.

Mechanical Strength: Lub hauv paus teeb yuav tsum tiv taus UL lub zog thiab rub cov kev sim, kom ntseeg tau tias lawv tsis xoob lossis tshem tawm thaum lub sijhawm teeb tsa lossis siv. Rau G13 hauv paus (tus qauv rau T8 LED raj teeb), tus pin txoj kab uas hla thiab qhov sib nrug yuav tsum ua raws li cov qauv ANSI C81.61 kom ntseeg tau tias muaj kev sib raug zoo nrog cov khoom siv uas twb muaj lawm.

Yuav tsum muaj ntaub thaiv npog

Cov ntaub thaiv npog (hlau lossis yas) ua haujlwm tiv thaiv kev tiv thaiv, tiv thaiv hluav taws xob poob siab thiab plua plav nkag. UL cov qauv qhia cov qauv nruj rau cov khoom siv, tuab:

Hlau Enclosures

Corrosion Resistance: Ferrous hlau enclosures yuav tsum tau plated, galvanized, glazed, los yog pleev xim rau ntawm ob sab hauv thiab sab nrauv los tiv thaiv xeb. Tsis yog- cov hlau ferrous (xws li, aluminium) nrog ntuj corrosion kuj raug zam los ntawm kev kho mob ntxiv.

Thickness: Qhov tsawg kawg nkaus thickness nyob ntawm qhov loj me, nrog cov ntaub ntawv me me (tsawg dua los yog sib npaug ntawm 600mm nyob rau hauv ntev) yuav tsum muaj qhov tsawg kawg nkaus thickness ntawm 0.8mm los xyuas kom meej cov qauv kev ntseeg.

Qhib: Txhua qhov qhib yuav tsum muaj txoj kab uas hla tsawg dua lossis sib npaug li 2 hli, thiab 2 hli sojntsuam yuav tsum tsis txhob ncav cuag cov khoom nyob hauv- tiv thaiv kev sib cuag tsis raug thiab hluav taws xob.

Plastic Enclosures

Nplaim ntsuas: Yam tsawg kawg nkaus UL94 V-0 flammability ntsuam xyuas, nrog thickness ua tau raws li qhov tsawg kawg nkaus yuav tsum tau teev nyob rau hauv cov khoom UL Yellow Card (feem ntau ntau tshaj los yog sib npaug rau 1.5 hli rau feem ntau plastics).

Cov khoom hluav taws xob: Cov ntaub ntawv yas hauv kev sib cuag nrog cov khoom nyob (nrog rau hluav taws xob nyob deb<0.8mm) must meet specific tracking index (CTI) requirements: CTI ≤4 for dry locations, ≤3 for damp locations, and ≤2 for wet locations. Additionally, the heat distortion temperature (HDT) must be ≥75°C to withstand operating temperatures.

Table 1 piav qhia txog cov txheej txheem tseem ceeb ntawm cov cuab yeej siv rau UL- ntawv pov thawjLED tube teeb:

Table 1: UL Certification Mechanical Structure Requirements rauLED Tube Teeb

Lub teeb -Diffusing Cheebtsam

Diffusers (piv txwv li, PC lossis PMMA) yuav tsum sib npaug ntawm lub teeb xa hluav taws xob thiab kev nyab xeeb:

Nplaim ntsuas: Yam tsawg kawg nkaus UL94 V-2 rau diffusers tsis nyob rau hauv kev sib cuag nrog cov khoom nyob; UL94 V-0 yog nyob ze rau cov khoom siv hluav taws xob.

Kev xa tawm: Ntau dua lossis sib npaug li 85% kom ntseeg tau tias lub teeb pom kev txaus- tseem ceeb rau kev ua tau raws li ENERGY STAR cov kev cai (ib qho kev ua tiav rau UL daim ntawv pov thawj).

Impact Resistance: Yuav tsum tiv taus UL qhov kev sim poob (1m poob rau hauv pob zeb) tsis muaj kev tawg, tiv thaiv kev phom sij.

Dab tsi yog Cov Qauv Hluav Taws Xob rau UL -CertifiedLED Tube Teeb?

Kev ua raws li cov qauv hluav taws xob yog qhov tseem ceeb tshaj plaws rau UL- tau ntawv pov thawj LED raj teeb, npog kev tshem tawm, nkag mus deb, thiab kev sib cais polarity. Cov kev cai no tiv thaiv arcing, luv Circuit Court, thiab hluav taws xob poob siab, ua kom muaj kev nyab xeeb ua haujlwm nyob rau hauv ib txwm muaj thiab ua txhaum.

Clearance thiab Creepage Distance

Clearance (cua sib txawv ntawm cov khoom nyob) thiab creepage nrug (nto deb ntawm cov khoom nyob) yog txhais los ntawm UL raws li kev khiav hauj lwm voltage thiab ib puag ncig:

Ib puag ncig qhuav / Damp: Rau qhov voltages Tsawg dua los yog sib npaug rau 300V RMS (425V ncov), yam tsawg kawg nkaus clearance/creepage nrug yog 1.2mm. Rau 301-600V RMS (426-846V ncov), qhov kev ncua deb nce mus rau 3.2 hli.

Ib puag ncig ntub dej: Rau voltages<600V RMS (848V peak), minimum clearance/creepage distance is 4.8mm-critical for applications like bathrooms or outdoor shelters.

Cov kev ncua deb no siv rau txhua qhov chaw nyob, suav nrog cov tsav tsheb, LED aluminium substrates, thiab lub teeb lub hauv paus pins. Rau T8 LED raj teeb, tshwj xeeb yuav tsum tau them nyiaj rau qhov kev ncua deb ntawm L-ncej tooj liab ntawv ci thiab N- ncej teeb lub hauv paus (Ntau dua lossis sib npaug li 1.2mm) txhawm rau tiv thaiv kev luv luv.

Polarity thiab Component Separation

Polarity sib cais: Qhov kev ncua deb ntawm fuse resistors / fuses ntawm opposite polarities, thiab ntawm input terminals L (nyob) thiab N (neutral), yuav tsum tau raws li clearance/creepage. RauT8 LED tube teeb, qhov no ua kom tsis muaj arcing tshwm sim ntawm cov terminals thaum ua haujlwm.

LED Board Requirements: Tag nrho cov khoom nyob rau ntawm lub rooj tsavxwm LED yuav tsum tswj kom muaj ntau dua lossis sib npaug li 1.2 hli nyob deb ntawm cov hlau tawm qhov, ntsia hlau qhov, thiab cov npoo ntawm lub rooj tsavxwm- tiv thaiv kev sib tsoo nrog cov khoom siv hluav taws xob.

Table 2 qhia txog UL cov kev tshem tawm hluav taws xob thiab kev nkag mus deb:

Table 2: UL Electrical Clearance thiab Creepage Distance Standards

Yuav ua li cas kom tau txais ob chav rwb thaiv tsev ua raws li UL -CertifiedLED Tube Teeb?

Ob chav rwb thaiv tsev yog ib qho tseem ceeb rau UL- ntawv pov thawj LED raj teeb thaum tus tsav tsheb Circuit Court RMS voltage rau hauv av tshaj 150V. Nws muab ib txheej ntxiv ntawm kev tiv thaiv hluav taws xob poob siab, hloov qhov xav tau rau kev sib txuas hauv av (feem ntau impractical hauv compact LED tube teeb tsim).

Muab ob npaug rau rwb thaiv tsev txoj kev

UL lees txais peb qhov tseem ceeb ntawm ob qhov hluav taws xob rwb thaiv tsev rau LED raj teeb:

Basic + Supplementary rwb thaiv tsev: Muab cov txheej txheem rwb thaiv tsev (piv txwv li, nruab nrab ntawm cov khoom nyob thiab lub qhov rooj) nrog cov txheej txheem ntxiv (piv txwv li, cua sov shrink tubing + polyester rwb thaiv tsev daim kab xev). Txoj kev no yog tsim rau cov neeg tsav tsheb uas muaj qhov chaw txwv.

Ib txheej rwb thaiv tsev: Siv ib txheej rwb thaiv tsev (Ntau dua lossis sib npaug ntawm 0.4mm lub tes tsho tuab) ntawm tus neeg tsav tsheb thiab cov ntaub thaiv hlau. UL8750 tam sim no lees txais qhov kev tsim qauv yooj yim no rau kev cog lus LED raj teeb, ntev npaum li lub tes tsho txuas ntxiv thiab tsis muaj qhov khoob.

LVLE Circuit Design: Txais siv hluav taws xob tsawg tsawg (LVLE) Circuit Court (UL8750 tus qauv) nrog cov neeg tsav tsheb tso zis voltage Tsawg dua lossis sib npaug rau 42.4V AC ncov (30V RMS) lossis Tsawg dua lossis sib npaug rau 60V DC. LVLE circuits tshem tawm qhov xav tau rau ob chav rwb thaiv tsev, vim qhov tsis tshua muaj hluav taws xob ua rau muaj kev pheej hmoo tsawg kawg nkaus.

LVLE Circuit Court specifications

LVLE circuits tau nrov zuj zus rau UL- ntawv pov thawjLED tube teebvim lawv qhov yooj yim tsim thiab tus nqi -effectiveness. Cov ntsiab lus tseem ceeb suav nrog:

Cov zis hluav taws xob: Tsawg dua lossis sib npaug rau 42.4V AC ncov (30V RMS) lossis Tsawg dua lossis sib npaug rau 60V DC.

Tso zis tam sim no: Tsawg dua lossis sib npaug rau 8A rau qhov hluav taws xob tsawg dua lossis sib npaug rau 30V DC / AC; Tsawg dua lossis sib npaug li 150 / V rau qhov hluav taws xob 30-60V DC.

Kev txwv zog: Lub Circuit Court yuav tsum txwv tsis pub hloov hluav taws xob mus rau theem kev nyab xeeb, tiv thaiv thermal hazards nyob rau hauv cov ntaub ntawv luv luv Circuit Court.

Piv txwv li, 12W T8 LED raj lub teeb siv lub LVLE tsav tsheb (30V DC tso zis) tuaj yeem zam tsis tau ob txoj kev rwb thaiv tsev, txo cov qauv tsim thiab cov nqi khoom siv thaum tswj kev ua raws li UL.

Common UL Certification Issues thiab Solutions rauLED Tube Teeb

Tej Teeb Meem

Ua tsis tau raws li qhov yuav tsum tau muaj clearance/creepage deb vim yog compact LED board tsim.

Cov ntaub ntawv yas lossis cov diffusers nrog cov nplaim hluav taws tsis txaus (hauv qab UL94 V-0) lossis CTI qhov tseem ceeb.

Lub hauv paus teeb nrog cov plating tsis txaus lossis cov khoom siv tsis zoo, tsis ua rau corrosion lossis kev sim tshuab.

Ob chav rwb thaiv tsev tsis yog- ua raws rau siab- cov tsav tsheb hluav taws xob (Ntau dua lossis sib npaug rau 150V RMS rau hauv av).

Kev daws teeb meem (200 lo lus)

Txhawm rau daws qhov teeb meem clearance/creepage, optimize LED board layout kom nce qhov deb ntawm cov khoom nyob thiab cov npoo/qhov (Ntau tshaj los yog sib npaug rau 1.2mm). Rau cov qauv tsim, txais yuav LVLE tsav tsheb (tsawg dua lossis sib npaug rau 42.4V AC ncov) kom txo qis qhov yuav tsum tau muaj. Xyuas kom cov ntaub ntawv yas ua tau raws li UL94 V-0 nplaim taws ntsuas thiab teev CTI qhov tseem ceeb- cov khoom siv nrog UL Daim Ntawv Pov Thawj. Rau lub hauv paus teeb, siv nickel{15}}plated tooj liab alloys (Ntau dua los yog sib npaug rau 80% Cu) thiab xyuas kom meej raws li ANSI C81.61 cov qauv. Rau ob chav rwb thaiv tsev, siv 0.4mm + lub tes tsho yas ntawm cov neeg tsav tsheb thiab cov ntaub thaiv hlau, los yog muab cov cua sov shrink tubing nrog rwb thaiv tsev daim kab xev. Ua ntej-kev xeem ntawv pov thawj (piv txwv li, ntsuas lub zog rau lub hauv paus teeb, ntsuas nplaim taws rau cov yas) txhawm rau txheeb xyuas cov teeb meem ntxov. Koom tes nrog UL-cov chaw soj ntsuam tau lees paub rau thib peb- pov thawj ntawm tog, kom ntseeg tau tias ua raws li UL8750, UL2097, thiab UL1993. Kev hloov kho tshiab tsis tu ncua kom ua raws li cov qauv UL kho dua tshiab, vim tias tsis ua raws cai tuaj yeem ua rau kev tshem tawm daim ntawv pov thawj thiab kev cuam tshuam kev lag luam.

Cov ntaub ntawv pov thawj

Underwriters Laboratories (UL). (2022).UL8750: Txheem rau Kev Nyab Xeeb ntawm Lub Teeb -Emitting Diode (LED) Khoom. https://standardscatalog.ul.com/standards/en/standard_8750_2

Underwriters Laboratories (UL). (2021).UL2097: Txheem rau Kev Nyab Xeeb ntawm Inverters, Converters, thiab Controllers rau Kev Siv Hluav Taws Xob. https://standardscatalog.ul.com/standards/en/standard_2097_0

Underwriters Laboratories (UL). (2020).UL1993: Txheem rau Kev Nyab Xeeb ntawm Tus Kheej -Ballasted Teeb thiab Teeb Adapters. https://standardscatalog.ul.com/standards/en/standard_1993_0

American National Standards Institute (ANSI). (2023).ANSI C81.61: Specifications rau Teeb Bases thiab Holders. https://webstore.ansi.org/standards/ieee/ansic81612023

National Electrical Manufacturers Association (NEMA). (2022).NEMA SSL 7-2022: Thermal Management of LED Lighting Systems. https://www.nema.org/standards/view/ssl-7-2022

Peng, H. (2013). Cov teeb meem tseem ceeb hauv kev tsim thiab kev xaiv cov khoom siv rau LED Noob & Tubes thov rau UL Certification.Tuam Tshoj Electronic Commerce, 17, 270.

Sau ntawv

UL Certification: Daim ntawv pov thawj kev nyab xeeb uas muab los ntawm Underwriters Laboratories (UL), xav tau rau LED teeb pom kev zoo khoom muag hauv North America kom ua raws li cov qauv kev nyab xeeb.

Clearance: Qhov luv tshaj huab cua sib txawv ntawm ob yam khoom nyob lossis nruab nrab ntawm cov khoom siv nyob thiab cov khoom siv hluav taws xob, tiv thaiv arcing.

Creepage Distance: Qhov luv tshaj plaws ntawm qhov deb ntawm ob qhov chaw nyob, tiv thaiv tam sim no los ntawm cov khoom nto.

Ob chav rwb thaiv tsev: Kev tsim kev nyab xeeb ua ke nrog cov rwb thaiv tsev yooj yim thiab cov rwb thaiv tsev ntxiv, tshem tawm qhov xav tau ntawm kev sib txuas hauv av.

LVLE (Low Voltage Limited Zog): Lub UL8750-txhais Circuit Court uas tsis tshua muaj hluav taws xob thiab tsis muaj zog, txo kev poob siab thiab kev kub ntxhov.

CTI (Comparative Tracking Index): Ib qho kev ntsuas ntawm ib qho khoom tiv thaiv rau kev taug qab hluav taws xob, tseem ceeb rau cov ntaub ntawv yas hauv kev sib cuag nrog cov khoom nyob.

UL94 V-0: Kev ntsuas hluav taws xob qhia tau tias cov khoom siv nws tus kheej tua tsis pub dhau 10 vib nas this tom qab tshem tawm qhov hluav taws kub.

Koj puas xav kom kuv tsim ibcov ncauj lus kom ntxaws UL- tau ntawv pov thawj LED raj lub teeb pom kev xaiv cov khoom siv kos npelos yog tsim ibkauj ruam -los ntawm - kauj ruam UL certification npaj ncua sij hawmrau manufacturers?

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