安规网

 找回密码
 注册安规
安规论坛 | 仪器设备 | 求职招聘 | 国家标准 公告 | 教程 | 家电 | 灯具 | 环保 | ITAV 签到 充值 在线 打卡 设备 好友| 帖子| 空间| 日志| 相册
IP淋雨机 | 证书查询 | 规范下载 | 资质查询 招聘 | 考试 | 线缆 | 玩具 | 标准 | 综 合 红包 邮箱 打卡 工资 禁言 分享| 记录| 道具| 勋章| 任务
水平垂直燃烧机 | 针焰 | 灼热丝 | 漏电起痕
IP防水防尘设备|拉力机|恒温恒湿|标准试验指
灯头量规|插头量规|静风烤箱|电池设备|球压
万年历 | 距元旦节还有
自2007年5月10日,安规网已运行
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: 767|回复: 0

[OFF] DSH 590 Rule for creepage across grooves and similar surface discontinuities

[复制链接]
发表于 2012-11-6 14:21 | 显示全部楼层 |阅读模式
广东安规检测
有限公司提供:
DSH 590" ^. O/ F" E- M7 C- m% ]

  g, @' X6 O( T: T
Rule for creepage across grooves and similar surface discontinuities
. j, \: }7 }9 x7 c: g
IEC60664-1: 1992 cl. 4.2 IEC60335-1: 1991 Annex E IEC60335-1: 2001 Cl. 29 IEC60730-1: 1999 Annex B IEC60950: 1999 Annex F IEC60950-1: 2001 Annex F IEC60065: 2005 Annex E IEC61010-1: 2002 Annex C IEC60601-1: 1988 Notes Figs 39-47 IEC61558-1: 1988 Annex A IEC61058-1: 2000 Annex A IEC60598-1: 2003 - IEC60745-1: 2001 Annex A IEC61008-1: 2002 Annex B IEC60947-1: 2004 Annex G+ L" k5 s! }3 F4 ~5 C6 B) V
60335-1(ed.4) & 61058-1(ed.3) & 60598-1(ed.6) & 61010-1(ed.2) & 60950-1(ed.1) & 60947-1(ed.4) & 61008-1(ed.2);am1 & 60065(ed.7);am1 & 60664-1(ed.1)
9 |. j2 t* p! \
' F) c8 n9 B# w& n2 p6 ?- [
Standard: IEC 60664-1/1992
6 Z6 a" n5 n0 `IEC 60335-1/2001" @6 C" ]: P8 G0 U+ w  x
IEC 61010-1/2002
) p9 L+ p. c/ [1 b- l1 e6 tIEC 61058-1/2000. u. H3 M8 X9 C; O
IEC 61008-1/2002
; c1 b. X) {2 U6 tIEC 60947-1/2004
9 R3 e3 K5 x0 n+ C: a4 VIEC 60598-1/2003: Y2 U3 h5 x& a  d; h. Z
IEC 60065/20053 s6 Y+ H* q+ U, t
IEC 60950-1/2001
; a% l4 b! a5 O% l6 J: t! gSub clause:
, Z+ }3 g* L+ K& y; \See Table below
! Z9 k$ g5 \/ @9 }DSH N°: 590# J' M: G" H9 h$ w; m4 q
Page: 1(1)
& ?2 _$ `8 l6 \- D+ v$ y" hSubject: Rule for creepage across. s- J" c1 [5 A0 Z0 z/ u9 Q4 a
grooves and similar, v) P5 W3 p$ \* t  {1 r' U
surface discontinuities: ?' Y3 {' n/ Z8 `! k
Key words:7 K! A& ~7 ?5 ?0 v
- Creepage, c/ t0 ]. f. O! H  [1 `
- Grooves
7 P: ?- |# m3 h. b$ v3 P$ W- Conducting path
% T7 A5 k* S5 F+ U; B% w0 L; C- Shortest distance
' F- b8 a+ j: Z  @6 {( s- Through air
9 x- e' \, R* {! e- e2 jDecision approved- M# t% T. u0 h1 D1 A+ H
by the CTL during
1 M8 R+ H$ z3 Z- i/ p$ D$ Vits 43rd meeting in1 p) Q8 Z4 ^- _
Johannesburg. O; Z" m& h/ N
Question: As can be seen from examples 2 and 6 of IEC 60664-1 sub clause 4.2 corners
8 _2 k" `+ g) H8 O* M% uwith angles greater or equal than 90 degrees are not bridged. IEC 60664-1 does
) e; ?0 W4 g( s4 g# Lnot contain specific information at which angle less than 90 degrees bridging# P( h; v/ j1 ^) b% ?
shall be applied. Some of the above mentioned standards specify that bridging
1 [8 u% d' m: T( M3 O' ^6 Eshall be applied for angles less than 80 degrees.6 q- _+ M, |/ N) c& k7 I! R6 k
Can this 80 degree rule be applied in general for all standards?; U" l. n' R6 N8 c( w4 b
Decision: Yes. The 80 degree rule shall be applied in general for all standards.8 ?% P9 M7 e& w/ w( T0 \

% f& C4 A& o5 `& ^
( ]" L& u/ B1 I7 q

本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有账号?注册安规

x
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 /1 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, 2024-12-24 07:06 , Processed in 0.084642 second(s), 27 queries .

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表