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1、BatteryPackTestbasedonUL1950ANDUL20541)LimitedPowerSourceTest:(sub-clause2.11ofUL1950)额定电压源测试ItistoevaluateiftheBatteryPackistheLimitedPowerSource.A评估如果将BatteryPack当作一个额定电压源来看.一台NotebookPC的电源NotebookPCsuppliedbytheLimitedPowerSourcecanwaivethe由此额定的电压源(BatteryPack)来提供,此额
2、定的电压源(BatteryPack)在防火上的requirementofFireEnclosure.It’sdeterminedbyvaryingtheload要求可以不予重视(在此项测试),而是要变动一个负载阻抗,使输出从开路到短路(RL≒0)impedancefromopencircuittoshortcircuit.AndthefullychargedBatteryPack的情况来决定.此BatteryPack必须遵循下列的要求(在此项测试):shouldcomplywiththefollowingrequirements:a)
3、Themaximumoutputcurrentafter60secondsshallbelessthanorequalto8.0A(Max.Isc≦8.0A),在60秒后,调整负载使最大输出电流必须小于或等于8.0Aandb)Thepoweroutputshallbelessthan5timestheopencircuitvoltage(Max.VA≦5xUoc),measuredattheendofa60-secondperiod.在60秒内测量输出端,此时输出功率必须小于5x开路电压.(RL≒∞)(Theinstrumentset
4、upisasshowninFigure1.)VoutRL2)ShortCircuit/RapidDischargeTest:(sub-clause4.3.21ofUL1950)短路及快放测试ThefullychargedBatteryPackisshort-circuitedbyconnectingthepositiveand将一充饱电的BatteryPack之正、负端连接起来(短路),如此BatteryPack将会放电至negativeterminalsoftheBatteryPack.TheBatteryPackistodisch
5、argeduntilafire起火、爆炸,或者是完全地放电完毕,BatteryPack外壳的温度会回复到周遭的温度。orexplosionhappened,oruntilit’scompletelydischargedandtheBatteryPackcasetemperaturehasreturnedtonearambienttemperature.IftheovercurrentorthermalprotectivedevicethathasgottheULrecognized在此项测试,如果过电流或温度保护的装置是得到UL认证合
6、格的,此类保护装置approvalactuatedduringthetest,thetestisrepeatedwiththeBatteryPack将会启动.重复此项试验,BatteryPack加上一最大负载(即不会引起保护装置之启动)connectedtothemaximumloadthatdoesnotcausetheprotectivedevicetofunction.Duringthetest,theBatteryPackshallnotexplodeorgetfire.Andmaximum测试期间(BatteryPack+最
7、大负载),不能有爆炸、起火,而且外部表面的温度temperatureontheexteriorsurfaceofcasingshallnotexceed150℃.不能超过150℃。(TheinstrumentsetupisasshowninFigure2.)u短路时,BatteryPack保护装置应启动vBatteryPack+最大负载不能有异状,且T<150℃.1)AbnormalChargingTest:(sub-Clause4.3.21ofUL1950)异常充电测试ThefullychargedBatteryPackissubj
8、ectedtothemaximumchargingcurrentwith将120%之额定电压(或厂商建议之最大充电电压)与最大充电电流施予在一充饱电120%ratedvoltageormanufacturer’sreco
