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
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: 555|回复: 0

[LITE] PDSH 958 Small push in lamp Small plastic lampholder Mechanical test

[复制链接]
发表于 2012-9-16 15:24 | 显示全部楼层 |阅读模式
广东安规检测
有限公司提供:
PDSH 958
6 Y5 _6 n2 R$ O, b  l. L8 \+ p6 f

  c4 T9 I& n! }2 M/ N& r
Small push in lamp Small plastic lampholder Mechanical test3 e4 \& v$ ]; ^- ]9 g- m, ?: e
20.7.63 a2 X; e$ d  o$ [" a% S7 f( y8 L
60238(ed.5);am1;am2 & 60238(ed.6);am1;am2 & 60238(ed.7);am1;am2 & 60238(ed.8);am1;am2 & 60598-2-20(ed.3) & EN 60238: all editions4 L1 U! k4 }' G

; q5 b0 o" ~' H, m! x9 _Standard(s):
5 V; L7 T9 h# A# e3 A6 bIEC 60598-2-20/2010/ l) X3 Z9 p; W" ?
IEC/EN 60238 All editions! c$ R7 d8 J$ v" |& j0 i" |1 ~
Subclause(s): 20.7.6
7 Y" G; S" Z3 J4 ~/ v3 D2 R4 }No. Year PDSH 0958 2010) ]$ L, `- \3 ?1 j, [2 ]7 x0 h# j3 N
Category: LITE Developed by: ETF5 OSM/LUM  i2 ?$ W3 n2 b$ A0 W+ H
Subject:
' _& m' o5 \- eSmall push in lamp
. B7 X  L4 G) X& t7 JSmall plastic lampholder
$ m2 ~8 |* v' P( q7 z0 s$ z# O, o, bMechanical test; T8 t/ i. W# d, A0 Q$ S
Key words:
+ P  r. ?2 u" q  H9 T- Push in lamp
; ^" j5 l) f3 Q- Plastic lampholder
0 l' v. q3 I! ^  M- Mechanical test, }/ M' t; w! X" X  d
To be approved at the 49th CTL Plenary Meeting, in 2012! v3 M' _" r: N
Question:
8 d1 ]1 y7 [5 T* NWe seek clarification on the correct method to perform a mechanical impact test for both mains rated
, T6 ~7 |+ [) W( gvoltage, SELV and ELV lighting chains in respect of clause 20.7.6 of the above referenced standards.
, R0 i3 ]& R( k3 d0 k& E8 PThe seems to be a difference between IEC and EN.$ ?3 D% ~. d' g6 R
1/ IEC version standard references tests to 60238 clause 15 on three samples (push in type) clause 15.2
9 r* Q: ~# X* V5 Z7 M7 Qapplies but which force?- g: {8 d9 e# f( Y
2/ According to IEC version of the test E5 & E10 lampholder are subjected to a free fall test EN 60068-2-5 u2 K, d/ Q3 J
75. Clause 15.6 suggests a method of test to fix the lampholder to plywood. We have made some
" X  z* {- W+ Q+ ]. \different tests by way of experiment in our Laboratory using the spring force impact hammer (better for# c4 Q# x7 t4 F3 E
the test engineer) with the lampholder fixed against plywood and again without the) ~; Q1 w1 P- ?) n0 S1 N; H! d
lampholder being fixed at all. We find that when the lampholder is fixed most times the plastic. L2 T% L8 w+ e7 h8 M
lampholder cracks which can result in the live contacts becoming loose within the lampholder. What is
4 O7 {3 }3 t2 Ithe correct test and lampholder support method to make according to IEC?
" o/ ]* u# ]* q9 t8 R& Z3/ According to EN the test is again referenced to 60238 but is modified by Annex ZB. Its says in annex& @0 ?. n4 N! _7 O- N, d# k
ZB the tests don’t apply to E5 but what about push in?
3 m1 j  A" e1 x2 s1 m3 lDecision:& H/ d6 Z) T7 z2 Z. m3 u. y
1/ 15.2 is not applicable to push in type lampholder. 20.7.13 takes over.% {$ Y9 s) ?1 L& G9 S2 p
2/ Pendulum hammer applies to E14 and larger lampholders; E5, E10 and similar small push in type
/ ?. z3 d' B+ Blampholders shall fulfil the tumbling barrel test.
3 G# T1 b( }6 K- Q/ r! k! \5 b' [- l# Q3/ Small push in type lampholders are equalised as E5.! N1 i( F1 K. f" \" b. s
& Y' C  W# ?, l+ U" a6 e
2 r! I. }8 V: @5 Y9 p) G0 ?

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 /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, 2024-12-19 03:09 , Processed in 0.082412 second(s), 25 queries .

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表