TÜVSUDTUVPRODUCTSERVICE2006-121of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.ppt电动工具欢迎参加电动工具讲座(2006-12)TUVSUDTUVPRODUCTSERVICETÜVSUDTUVPRODUCTSERVICE2006-122of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.ppt电动工具标准介绍第一章电动工具介绍TÜVSUDTUVPRODUCTSERVICE2006-123of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.ppt一些基本概念•基本绝缘-加在带电部件上提供防止触电基本保护的绝缘•附加绝缘-当基本绝缘失效时,提供防触电保护功能的独立的绝缘系统•双重绝缘-由基本绝缘和附加绝缘组成的绝缘•加强绝缘-加在带电部件上的一种单一绝缘系统,它提供相当于双重绝缘的防触电保护等级•爬电距离-带电部件之间或带电部件与可接触表面之间沿绝缘体表面的最短距离•空间间隙-带电部件之间或带电部件与可接触表面之间的最短距离TÜVSUDTUVPRODUCTSERVICE2006-124of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•电气间隙:TÜVSUDTUVPRODUCTSERVICE2006-125of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003爬电距离:TÜVSUDTUVPRODUCTSERVICE2006-126of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.ppt以下是合法的,可用的符号:V……………………伏特–A……………………安培–Hz……………...…….赫兹–W………………..…..瓦特–F………………….…法拉–/min转/每分钟–l…………………….升–g………………….…克–bar…………………….巴–Pa…………………....帕斯卡–h…………………….小时–min…………………….分钟–s…………………….秒•---或d.c……………….直流•~或a.c……………….交流电•2~…………………….两相交流电•2N~…………………….两相交流电(带中线)•3~…………………….三相交流电•3N~…………………….三相交流电(带中线)•…………………….相应保险丝的额定电流(单位A)TÜVSUDTUVPRODUCTSERVICE2006-127of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•8.1铭牌•-制造商或采购商的名称•-产品型号•-classII符号(对classII)•-制造年份•-制造商的地址•-CE,WEEE符号TÜVSUDTUVPRODUCTSERVICE2006-128of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•8.2说明书•-通用安全要求•-特殊安全要求TÜVSUDTUVPRODUCTSERVICE2006-129of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.ppt9.防触碰到带电体-用不带关节的测试指,加适当的力(5N),各个方向进行测试。-该测试指插入开空,在任何位置,都应该转,倾斜,直到不能再进入。此时加力到20N,再测试。-换成带关节的测试指,重复相同的测试。上述测试,测试指不能碰到带电体和基本绝缘。II类工具和II类结构上的开空,用测试针,加适当的力(5N),不能碰到带电体TÜVSUDTUVPRODUCTSERVICE2006-1210of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003不带关节的测试指带关节的测试指测试针TÜVSUDTUVPRODUCTSERVICE2006-1211of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•10Starting0.85倍额定电压,空载启动10次TÜVSUDTUVPRODUCTSERVICE2006-1212of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•11.输入功率和电流额定输入功率或电流至少为空载时的110%-标的是电压范围时,由平均电压时所测的值来判断TÜVSUDTUVPRODUCTSERVICE2006-1213of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•Cl.11Heating所加负载为额定功率时的扭矩,1.06Un,0.94Un结束后测泄漏电流(cl.13)TÜVSUDTUVPRODUCTSERVICE2006-1214of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•Cl.13泄漏电流•L/Nto外壳0.25mATÜVSUDTUVPRODUCTSERVICE2006-1215of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•Cl14潮态•20°C~30°C,48h,91%~95%R.H•然后打高压(cl15.2)TÜVSUDTUVPRODUCTSERVICE2006-1216of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•Cl.15.2高压•L/Ntoenclosure3750V•L/Nto铁芯1250V•铁芯toenclosure2500V•For1minTÜVSUDTUVPRODUCTSERVICE2006-1217of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•17.2耐久•-1.1Un,24h,然后,0.9Un,24h。100s开,20s关•-三个不同的位置,8h换一下位•-75%高压TÜVSUDTUVPRODUCTSERVICE2006-1218of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•18.12烧机•12KVA电路•160%电流,或堵转15min或到开路或着火•该过程中,泄漏电流需2mA•高压1500V(不能运行)或2500V(能运行)TÜVSUDTUVPRODUCTSERVICE2006-1219of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•Cl.19机械危险•测试指不能碰到运动部件TÜVSUDTUVPRODUCTSERVICE2006-1220of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:200320.2冲击测试•-0.5J,刷冒•-1.0J,其他部分20.3跌落测试•3次,1米,水泥地上,每次变换不同位置•然后打高压(cl.15.2)20.4碳刷帽的机械强度TÜVSUDTUVPRODUCTSERVICE2006-1221of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:200321.12内部导线的固定1.ClassII工具或classII结构,某部份从固定位置脱落时,cr或cl不小于附加绝缘或加强绝缘的50%2.内部导线认为是容易从接线端子或焊接点脱落,应该在接线端子或焊接点附近绑扎,才认为是可靠固定TÜVSUDTUVPRODUCTSERVICE2006-1222of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•21.13橡胶做为绝缘,必须做老化实验100ºC,70h,结束后无裂纹•21.16.接到水源的工具,必须装有PRCD•21.21电容放电10次,〈34VTÜVSUDTUVPRODUCTSERVICE2006-1223of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•21.18电动工具必须装有主开关,使用者不用松开手也能够使开关断开。如果主开关设计成可以锁在“开”的位置,只要用手拨动板机或随动机构时,开关能自动解锁,则认为开关满足了上面的要求。•21.18.1如果工具连续运行会导致危险,主开关不能锁在“开”的位置。开关也不能当板机释放后,还锁“开”的位置。具体的规定见分标准。TÜVSUDTUVPRODUCTSERVICE2006-1224of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•23.元件1。与安全有关的元件,必须提供证书(VDE,TUV,ITS,KEMA)-开关,电容,插头,电源线,温保2。开关应该是50,000次的开关TÜVSUDTUVPRODUCTSERVICE2006-1225of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•24.5电源线线径的选择-额定电流≤6A,0,75mm2-额定电流>6A≤10A,1,0mm2TÜVSUDTUVPRODUCTSERVICE2006-1226of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•24.12弯折•20000次,60/min•10000次后,转90度•然后10次提拉实验•-断线率不超过10%,电源护套不能脱落TÜVSUDTUVPRODUCTSERVICE2006-1227of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•24.13曲率半径•挂重10D²g,曲率半径1.5D•D—电源线外径,mmTÜVSUDTUVPRODUCTSERVICE2006-1228of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•24.14压线板拉力测试-25次,位移<2mmTÜVSUDTUVPRODUCTSERVICE2006-1229of104ZHANGBingwenseminarPowerToolsandGardenEquipment03.pptEN60745-1:2003•25.供外部导线连接的接线端子X型连接的电动工具,必须提供供外部导线连接的接线端子,以便用螺钉,螺母帽或类似的装置连接外部导线。-X型连接的电动