安规网

 找回密码
 注册安规
安规论坛 | 仪器设备 | 求职招聘 万年历 | 距春节还有
签到 充值 在线 打卡 自2007年5月10日,安规网已运行
证书查询 | 规范下载 | 资质查询 红包 邮箱 打卡 工资 证书查询 | 规范下载 | 资质查询
广东安规检测有限公司
IP淋雨设备| 恒温恒湿箱| 拉力机| 医疗检测设备沙特Saber 埃及COI 中东GCC|CoC直接发证机构水平垂直燃烧机|灼热丝|针焰试验机|漏电起痕试验机
灯头量规|试验指|插头插座量规|灯具检测设备耐划痕试验机|可程式恒温恒湿试验箱 | 耦合器设备广东安规-原厂生产-满足标准-审核无忧
查看: 1601|回复: 2

[音视频产品] 不可分离薄层材料的测试装置

[复制链接]
发表于 2011-1-27 09:58 | 显示全部楼层 |阅读模式
广东安规检测
有限公司提供:
IEC60065:2001+A1:2005《音频、视频及类似电子设备安全要求》中新增了8.22条对不可分离薄层材料的测试规定
# F2 C) @5 t% A7 f  o8.22 Test specifications of non-separable thin sheet material
9 u8 ?# o! x% w, x1 ~9 ZCompliance is checked by subclause 26.3 in IEC 61558-1or by the following:
1 g2 C! D( u% i  U/ P; UThree test samples, each individual sample consisting of three or more layers of non-separable
; s* k+ e0 s! H& d- O" g, othin sheet material forming REINFORCED INSULATION, are used. One sample at a time is fixed to/ C: u; T; t) e, z/ M
the mandrel of the test fixture (Figure 14) as shown in Figure 15.
2 d2 l$ v+ X1 f: Z! s5 eCopyright InternationalA downward force of 150 N ± 10 N is applied to the free end of the sample (see Figure 16),
6 V" ~" o' `: f! n8 ]using an appropriate clamping device. The mandrel is rotated by hand without jerks" Q, r, a5 a2 G! G( g$ I. A
– from the initial position (Figure 15) to the final position (Figure 16) and back;
0 e! t5 F- [# m/ G  ]$ C5 a! m– as above for the second time;
6 B* r6 X( i: V- Y: H  \/ W– from the initial position to the final position.# X4 _3 s8 ~+ G3 P; ]
If a sample breaks during rotation where it is fixed to the mandrel or the clamping device, this& L, q3 V& b( K) p. z
does not constitute a failure and the test is repeated on a fresh sample. If a sample breaks at
* h# ]" p  v3 b& v: many other place, the test has failed.2 U5 T: s5 V8 \& N1 p8 ?
After this preconditioning, a sheet of metal foil, 0,035 mm ± 0,005 mm thick, at least 200 mm
) E( N; l& r6 H2 W, _long, is placed along the surface of the sample, hanging down on each side of the mandrel; D9 J2 C# |, `, l5 \7 A
(see Figure 16). The surface of the foil in contact with the sample shall be conductive, not& b( F5 S5 `, m& y% r, P6 Q$ o0 i
oxidised or otherwise insulated. The foil is positioned so that its edges are not less than 18 mm+ G9 h8 u4 V! P" t) L5 z
from the edges of the sample (see Figure 17). The foil is then tightened by two equal weights,; N& m% l2 {- ~- M
one at each end, using appropriate clamping devices.
! J9 U) T: c. \# r  V! cWhile the mandrel is in its final position, and within the 60 s following the final positioning, a9 m2 Z2 l( _- A7 d6 Y$ M( [
dielectric strength test is applied between the mandrel and the metal foil in accordance with
! A8 ~% V" G  J0 z10.3.2, using a test voltage of 1,5 times the value specified in Table 5 for REINFORCED
, \1 [2 u. S, @& z2 @INSULATION, but not less than 5 kV.
! ?2 L/ N' ?! PThe entire test procedure is repeated on the other two samples.
3 L* o" k3 `/ n8 ]7 B0 t. X9 qNo flashover or breakdown shall occur during the test; corona effects and similar phenomena being disregarded.

& m$ o" \+ Z: ^, k5 H$ l- V4 m: i2 i! N0 C8 m
有没有哪位筒子熟悉这个新设备的,或者有相关图片介绍下,谢谢
头像被屏蔽
发表于 2013-7-2 17:24 | 显示全部楼层
提示: 作者被禁止或删除 内容自动屏蔽
发表于 2015-4-28 14:20 | 显示全部楼层
变压器绕组芯轴,8898中有这个产品的图
回复 支持 反对

使用道具 举报

您需要登录后才可以回帖 登录 | 注册安规

本版积分规则

关闭

安规网为您推荐上一条 /2 下一条

QQ|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网 ( 粤ICP13023453-10 )

GMT+8, 2025-4-4 09:43 , Processed in 0.070363 second(s), 20 queries .

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表