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TÜVRheinlandTaiwanEducationCenter1電源供應器類產品輸歐驗證要求EN60950電源供應器類產品輸歐驗證要求EN60950KarlS.K.Shih施舜耕德國萊因技術監護顧問股份有限公司TÜVRheinlandTaiwanLtd.TÜVRheinlandTaiwanEducationCenter2電源供應器類產品輸歐驗證要求EN609501.一般安全原理對於電源供應器類產品而言,在EN60950的條文內，主要是在防止人體受到下述危險的傷害:-Electricshock電殛的發生情形是因為有電流通過人體,只要有數毫安培的電流,即可對正常健康人造成影響,並且有可能因不自覺地反應而造成間接性危險。當然,更大的電流會造成更危險的情形。一般而言,在乾燥情形下,小於42.4Vpeak或60Vdc的電壓,通常視為不具危險的電壓。但是,可被觸碰的零件或是提把皆應接至大地或是將其適當地隔離之。-Energyhazards具大電流供應或高電容線路的相鄰兩端子間,如果在短路的情形下,有可能會造成電弧放電或是在燃燒中射出熔化之金屬。因此,即使是屬於低電壓線路,也可能造成能量危險。TÜVRheinlandTaiwanEducationCenter3電源供應器類產品輸歐驗證要求EN60950-Fire在過載、零件失誤、絕緣崩潰、高阻抗或是連接器鬆脫的情形下,其所造成的異常溫度有可能形成火災危險。然而,設備內起火後不可散佈到起火點之鄰近區域及對設備外的區域造成危險。-Mechanicalandheathazards主要要求為:－避免使用者因觸碰到高溫零件而造成的傷害－設備的機構穩定度及結構穩固－避免結構上尖銳角－提供適當的保護或連鎖裝置以避免受危險可動零件所傷及TÜVRheinlandTaiwanEducationCenter4電源供應器類產品輸歐驗證要求EN60950-Radiationhazards輻射的形式可能為音頻、無線電頻率、紅外線、高強度可見光及凝聚光、紫外線、離子化輻射...等。如果設備內會釋出某種型式的輻射,則針對使用者及維修者所能接受程度的輻射值,訂有規定。-Chemicalhazards有毒化學物質本身及其蒸汽,如果人體直接接觸到,則會造成傷害。因此,設備的設計,亦應避免在正常操作及不正常操作情況下,產生此類的化學危險。TÜVRheinlandTaiwanEducationCenter5電源供應器類產品輸歐驗證要求EN609502.1RATEDVOLTAGE:Theprimarypowervoltage(forthree-phasesupply,thephase-to-phasevoltage)asdeclaredbythemanufacturer.2.2RATEDVOLTAGERANGE:Theprimarypowervoltagerangeasdeclaredbythemanufacturer,expressedbyitslowerandupperRATEDVOLTAGES.2.3RATEDCURRENT:Theinputcurrentoftheequipmentasdeclaredbythemanufacturer.2.4RATEDFREQUENCY:Theprimarypowerfrequencyasdeclaredbythemanufacturer.2.5RATEDFREQUENCYRANGE:Theprimarypowerfrequencyrangeasdeclaredbythemanufacturer,expressedbyitslowerandupperRATEDFREQUENCIES.2.6NORMALLOAD:Themodeofoperationwhichapproximatesascloselyaspossiblethemostsevereconditionsofnormaluseinaccordancewiththemanufacturer'soperatinginstructions.However,whentheconditionsofactualusecanobviouslybemoreseverethanthemaximumloadconditionsrecommendedbythemanufacturer,aloadisusedthatisrepresentativeofthemaximumthatcanbeapplied.2.重要定義TÜVRheinlandTaiwanEducationCenter6電源供應器類產品輸歐驗證要求EN609502.7MOVABLEEQUIPMENT:Equipmentwhichiseither:-18kgorlessinmassandnotfixed,or-equipmentwithwheels,castorsorothermeanstofacilitatemovementbytheOPERATORasrequiredtoperformitsintendeduse.2.8HAND-HELDEQUIPMENT:MOVABLEEQUIPMENT,orapartofequipment,thatisintendedtobeheldinthehandduringnormaluse.2.9EQUIPMENTFORBUILDING-IN:Equipmentintendedtobeinstalledinapreparedrecess,suchasinawall,orsimilarsituation.2.10DIRECTPLUG-INEQUIPMENT:Equipmentthatisintendedtobeusedwithoutapowersupplycord;themainsplugformsanintegralpartoftheequipmentENCLOSUREsothattheweightoftheequipmentistakenbythesocket-outlet.2.11CLASSIEQUIPMENT:Equipmentwhereprotectionagainstelectricshockisachievedby:a)usingBASICINSULATION,andalsob)providingameansofconnectingtotheprotectiveearthingconductorinthebuildingwiringthoseconductivepartsthatareotherwisecapableofassumingHAZARDOUSVOLTAGESiftheBASICINSULATIONfails.TÜVRheinlandTaiwanEducationCenter7電源供應器類產品輸歐驗證要求EN609502.12CLASSIIEQUIPMENT:EquipmentinwhichprotectionagainstelectricshockdoesnotrelyonBASICINSULATIONonly,butinwhichadditionalsafetyprecautions,suchasDOUBLEINSULATIONorREINFORCEDINSULATION,areprovided,therebeingnorelianceoneitherprotectiveearthingorinstallationconditions.2.13ENCLOSURE:Apartoftheequipmentprovidingoneormoreofthefunctionsdescribedin1.2.6.2,1.2.6.3or1.2.6.4.2.14FIREENCLOSURE:Apartoftheequipmentintendedtominimizethespreadoffireorflamesfromwithin.2.15MECHANICALENCLOSURE:Apartoftheequipmentintendedtopreventinjuryduetomechanicalandotherphysicalhazards.2.16ELECTRICALENCLOSURE:ApartoftheequipmentintendedtopreventcontactwithpartsatHAZARDOUSVOLTAGEorHAZARDOUSENERGYLEVELS.2.17DECORATIVEPART:Apartoftheequipment,outsidetheENCLOSURE,whichhasnosafetyfunction.TÜVRheinlandTaiwanEducationCenter8電源供應器類產品輸歐驗證要求EN609502.18OPERATORACCESSAREA:Anareatowhich,undernormaloperatingconditions,oneofthefollowingapplies:-accesscanbegainedwithouttheuseofaTOOL,or-themeansofaccessisdeliberatelyprovidedtotheOPERATOR,or-theOPERATORisinstructedtoenterregardlessofwhetherornotTOOLSareneededtogainaccess.Thetermsaccessandaccessible,unlessqualified,relatetoOPERATORACCESSAREAasdefinedabove.2.19SERVICEACCESSAREA:Anarea,otherthananOPERATORACCESSAREA,whereitisnecessaryforservicepersonneltohaveaccessevenwiththeequipmentswitchedon.TÜVRheinlandTaiwanEducationCenter9電源供應器類產品輸歐驗證要求EN609502.20RESTRICTEDACCESSLOCATION:Alocationforequipmentwherebothofthefollowingdashedparagraphsapply:-accesscanonlybegainedbySERVICEPERSONNELorbyUSERSwhohavebeeninstructedaboutthereasonsfortherestrictionsappliedtothelocationandaboutanyprecautionsthatmustbetaken;and-accessisthroughtheuseofaTOOLorlockandkey,orothermeansofsecurity,andiscontrolledbytheauthorityresponsibleforthelocation.2.21TOOL:Ascrewdriveroranyotherobjectwhichcanbeusedtooperateascrew,latchorsimilarfixingmeans.2.22BODY:Allaccessibleconductiveparts,shaftsofhandles,knobs,gripsandthelike,andmetalfoilincontactwithallaccessiblesurfacesofinsulatingmaterial.2.23SAFETYINTERLOCK:Ameanseitherofpreventingaccesstoahazardousareauntilthehazardisremoved,orofautomaticallyremovingthehazardousconditionwhenaccessisgained.TÜVRhe