Klicken Sie,um die Formate des Vorlagentextes zu bearbeiten,Zweite Ebene,Dritte Ebene,Vierte Ebene,Fnfte Ebene,TV SUD,TUV PRODUCT SERVICE,EN 60745-1:2003,2006-12,*,of 104,*,电开工具,欢送参加电开工具讲座(2006-12),TUV SUD,TUV PRODUCT SERVICE,1,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,电开工具标准介绍,第一章,电开工具,介绍,2,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,一些根本概念,根本绝缘 加在带电部件上提供防止触电根本保护的绝缘,附加绝缘 当根本绝缘失效时,提供防触电保护功能的独立的绝缘系统,双重绝缘 由根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外表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外表之间的最短距离,3,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,电气间隙:,4,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,爬电距离:,5,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.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,2,N.,两 相 交 流 电(带 中 线),3.三 相 交 流 电,3,N.,三 相 交 流 电(带 中 线),.相 应 保 险 丝 的 额 定 电 流(单 位,A),6,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,8.1铭牌,-制造商或采购商的名称,-产品型号,-class II符号(对class II),-制造年份,-制造商的地址,-CE,WEEE符号,7,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,8.2 说明书,-通用平安要求,-特殊平安要求,8,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,9.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根本绝缘。,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,9,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,不带关节的测试指,带关节的测试指,测试针,10,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,10,Starting,0.85,倍额定电压,空载启动,10,次,11,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,11.,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,12,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,Cl.11 Heating,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),13,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,Cl.13泄漏电流,L/N to 外壳 0.25mA,14,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,Cl14,潮态,20C30C,,,48h,91%95%R.H,然后打高压,(cl15.2),15,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,Cl.15.2高压,L/N to enclosure 3750V,L/N to 铁芯 1250V,铁芯 to enclosure 2500V,For 1min,16,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,17.2 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,17,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,18.12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1.5D,D,电源线外径,,mm,27,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,压线板拉力测试,-,次,位移,mm,28,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,25.供外部导线连接的接线端子,X型连接的电开工具,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型连接的电开工具,可以使用锡焊端接的方式来连接外部导线,条件是,不能仅仅靠锡焊来固定导线,必须使用护套或隔板,以便当导线脱落时,cr,cl不小于28.1中规定值的50%,这样才能认为是可靠连接。,-锡焊端接不认为是可靠连接,必须在端接附近进行绑扎。锡焊端接必须使用钩焊的方式。,29,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,27.,螺钉和连接,拧螺钉测试,10,次,对拧入绝缘材料的螺钉,5,次,其他方式,I-,金属无头螺钉,II-,金属有头螺钉,III-,绝缘材料制成的螺钉,30,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,.爬电距离cr,电气间隙cl和穿通绝缘dt,1.不同极性间cr3.0mm,cl2.5mm,如开关两极,,2.根本绝缘,-带电体到中间金属(如铁芯),cr4.0mm,cl3.0mm,-绕组到中间金属(如铁芯),cr2.0mm,cl2.0mm,3.附加绝缘,cr4.0mm,cl4.0mm,如,内部导线到机壳外表(当内部导线贴近机壳外表时),4.加强绝缘,cr8.0mm,cl8.0mm(带电体),cr6.0mm,cl6.0mm(绕组),31,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,如,)电枢(换向器)到转轴,)PCB上的焊脚,导电路径到机壳外表,)碳刷到转轴,到机壳外表,穿通绝缘,附加绝缘的穿通绝缘1.0mm,(转轴到铁芯),加强绝缘的穿通绝缘2.0mm(转轴到绕组),32,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,EN 60745-1:2003,材料试验,29.1,球压,1),外部绝缘材料,75C,1h,2),支撑带电体的绝缘材料,125C,1h,压痕直径不能大于,2.0mm,29.2,灼热丝实验,非金属材料,,C,-,火焰,30,内熄灭,滴痕不引燃下垫薄纸,29.,漏电起痕实验,V,30s,一滴,50,滴,不击穿。,33,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,谢谢,!,34,ZHANG Bingwenseminar Power Tools and Garden Equipment 03.ppt,