IEC 60598-1: 8.2.6 Covers and other parts providing protection against electr

jqheart · 发表于 2011-2-21 17:22

8.2.6 Covers and other parts providing protection against electric shock shall have adequate

mechanical strength and shall be reliably secured so that they will not work loose with normal

handling.

Compliance is checked by inspection, by manual test and by the tests of Section 4.
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For wall mounted luminaires, portable luminaires, and adjustable luminaires where covers
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whose fixing is not dependent on screws and whose removal is obtained by applying a force in
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an approximately perpendicular direction to the mounting/supporting surface shall comply with
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the following test: 9 K h$ Y8 X7 X& p* ^' s* _

A force is applied approximately perpendicular to the mounting/supporting surface. The force 9 @; Y* B7 X% Y1 Y

shall be 20 N when the opening of the cover will give access to basic insulated parts and 80 N
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when live parts will be accessible. / U$ A1 r& b& `" U

During the test, the cover(s) shall not work loose.

我的灯头如下图(我的灯就像是那些烧香的那种烛灯):

是里面一个螺旋灯泡座（内黑线框），再在外面用灯柱组合而成一个E10的灯头，E10泡子从上部旋进已组合的灯座。

我想请问，这个里面的灯泡座（黑线框）算不算是8.2.6提到的COVER？？？
若装进灯泡后，这个灯泡(红色椭圆状)又是不是8.2.6中所提到的other parts？？？

若答案是肯定的，那做拉力又该如何实施？我是直接拉灯泡来测试里面的灯泡座与外壳之间的稳定性可以吗？谢谢！

jqheart · 发表于 2011-2-22 10:17

无人分享一下经验???自己先顶.

ryanluk · 发表于 2011-2-22 10:59

黑色线框不算是Cover，外面红色线框应该可以看成是Cover。我理解的Cover是包裹基本绝缘。按照你图片结构分析黑色线框部分它是一个基本绝缘整体。

至于测试你应该分清楚：你说的拉力测试？？？我想你在仔细的理解一下这个章节的意思。

孟云房 · 发表于 2011-2-22 23:28

楼主，根据我的理解，这项考核类似插头插座IEC 60884-1标准的条款。
这个COVER你所画出的都不属于，它应该类似于产品外壳，比方说墙壁插座，它有一个提供防触电的外盖板，这个盖板就是COVER，因为没有专门的固定装置（如螺钉），但要求这个盖板不能随便取下，但在力度较大时又必须取下，所以规定了两个力，施加小力时取不下，大力时必须取下。这里就是20和80N，灯具和插头插座标准不像家电那么考究，专门有个22.11的可拆卸部件试验。

还有一个分歧就是，此时是否考虑更换光源时打开产品的情况。如果考虑的话，那么后面的部分就类似COVER；如果不考虑，就只有产品外壳。

以下为IEC60884-1插头插座标准参考。
24.14.1 Verification of the retention of covers or cover-plates
Forces are gradually applied perpendicular to the mounting surface, in such a way that the
resulting force acting on the centre of the covers, cover-plates, or parts of them is
respectively
– 40 N, for covers, cover-plates or parts of them complying with the tests of 24.17 and
24.18, or
– 80 N, for other covers, cover-plates or parts of them.
The force is applied for 1 min. The covers or cover-plates shall not come off.
The test is then repeated on new specimens, the cover or cover-plate being fitted on the wall
after a sheet of hard material, (1 ± 0,1) mm thick, has been fitted around the supporting frame
as shown in figure 31.
NOTE The sheet of hard material is used to simulate wallpaper and may consist of a number of pieces.
After the test, the specimens shall show no damage within the meaning of this standard.
24.14.2 Verification of the removal of covers or cover-plates
A force not exceeding 120 N is gradually applied, perpendicular to the mounting/supporting
surfaces, to covers, cover-plates or parts of them by means of a hook placed in turn in each
of the grooves, holes, spaces or the like, provided for removing them.
The covers or cover-plates shall come off.

af204 · 发表于 2011-2-23 08:59

直接上照片，不要画这么个图，还不如照片来的清楚

af204 · 发表于 2011-2-23 09:01

20N when the opening of the cover will give access to basic insulated parts and 80 N when live parts will be accessible

适用的，接到过类似这样产品的欧盟投诉，同样的问题
拉力时灯座被拉出，直接能触及到灯座后面的带电部件

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