真空吸尘器電子元件非正常运行测试修订日期修订单号修订内容摘要页次版次修订审核批准2011/03/30/系统文件新制定2A/0///批准：审核：编制：真空吸尘器電子元件非正常运行测试1.0Purpose/目的Toevaluateifthesampleoperatedwiththeelectroniccomponentsshort-circuitedor/andopencanconformtotherelevantsafetyrequirementsinUL1017.評估样機電子元件在短路和/或断路非正常运行状况下是否符合UL1017安全標準.2.0Definition/概念:None無3.0ReferenceDocuments/參考文獻:U.L.1017CAN/CSA-C22.2NO.243-01,dated12-07-2001,Cl5.10.24.0Equipment/設備:4.1Frequencyconverter.(变频電源).4.2Stopwatch(秒表)4.3ULfinger(UL手指)4.43amperenon-timedelaytypefuse(3A快速保險,插頭型)4.5Withstandingvoltagetester.(耐壓測試儀)4.6Whitetissuepaper(白紙).4.7Cheesecloth.(纱布)4.8Softwoodboard(软木板)4.9Digitalmultimeter(万用表)5.0GeneralInstructions/說明:5.1Testsmaybeconductedatanyambienttemperaturewithinarangeof10-40(50-100).℃℉測試可在10~40(50~100)℃℉之內的環境溫度下進行.5.2Unlessotherwisenoted,alltestsaretobeconductedwithapplianceconnectedtoa120VAC,60Hzpowersource.除非另外標注,否則所有样機都将连接在120V/60Hz電源下进行測試.5.3Allequipmentusedmustbecalibratedonanannualbasis.Calibrationstickerswithlastcalibrationandcalibrationduedatemustbeaffixedtoeachinstrument.使用的所有設備都必須以一年為周期進行調校.載有最後調校日期和調校周期的調校粘紙必須粘固在每一個儀表上.5.4Asinglemalfunction(shortoropen)ofanycircuitcomponent,suchasaresistor,capacitor,solid-statedevice,andthelike,maybeappliedoneatatime.Foradiscrete,multiple(morethantwo)terminaldevices,suchasatransistor,SCR,triac,ofanintegratedcircuitdevice,anycombinationofterminalstakentwoatatimeshallbeopen-orshort-circuited.短路或断路样機中的电子元件诸如电阻，电容，固态元件等，一次只能测试一个元件；对于诸如晶体管，可控硅，三极管和IC等有多种端子间短路或断路组合的多端子元件，一次只测试两个端子的组合.5.5Choosethedeviceswhosemalfunctionmaycausemostunfavorableresultsthroughexaminationofthesampleanditscircuitdiagram.分析样機电路，选取功能失效后可能造成火灾，电击或人身伤害危险等的电子元件进行开路或断路测试.5.6Thistestmaybeconductedunderdraughtfreecondition.Theairejectorfanmustn’tbeturnedonuntil2minuteselapseafterthetestisover.測試將在无風环境條件下進行,待測試完成2分鐘後才可開啟排氣扇.6.0Procedure/步驟:6.1Obtainarepresentativesampleoftheappliancetobetested.準備一台有代表性的樣機用於測試.6.2ObtainTestResultsFormTTR1011andcompletelyfillintheinformationdescribingthesampleandtheequipmentusedpriortorunningthetest.用TTR1011的測試結果的表格;在测试前完整地填入樣板和使用的設備的情況.6.3Short-circuitoropenanelectroniccomponent.短路或断路一个电子元件.6.4Exposednoncurrent-carryingmetalpartsareconnectedtogroundthroughthe3amperenon-timedelaytypefuse.引一条线通过一个3A快速保險絲将马达壳接地.6.5Placethesampleonthesoftwoodboardcoveredwithwhitetissuepaper,thendrapeasinglelayerofcheeseclothonitmakingsuretheinletisnotcovered.將樣機放在鋪有一层白紙的軟木板上,再用一層纱布覆蓋在樣機上,確保進排氣口不被蓋住.6.6Makesurethecontrolswitchofthesampleinoffpositionbeforeplugitintothetestsocketprotectedwitha30Atime-delay(marked"D")fuse,thenturnonthesampleoperateituntilthefinalresultsareobtained.确保樣機電源開關處在關的位置，将其插入带30A延迟保险的电源插座.接着启动样機，观察现象.最终现象出现结束测试.6.7Recoverthefunctionofthetestedcomponentbeforetestnextone;repeat6.3—6.6.如有多个元件需测试，再测试下一个元件前先恢复上个元件；重复6.3-6.6.6...
