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最近在一家实验室做带转换插头(VDE/BS/AU/CHN/US)电源的CB测试, 实验室要求对转换插头做EN50075和IEC60884-1的测试. 其中有一项测试为:
! w( `9 Z1 [2 g30.1 Pressure test at high temperature
# }4 C# Y+ M! K/ I5 R( TThe specimens are tested by means of the apparatus shown in figure 41. This apparatus has
, n& M- R* C7 M$ @% Ia rectangular blade (see figure 41a) with an edge 0,7 mm wide, to be used in the case of! z& p5 w- Y! Y$ A, C/ U8 G# k
round pins, or a blade having a round shape (see figure 41b), with a diameter of 6 mm and an
& ]; B( M8 j B$ M/ Kedge of 0,7 mm, in other cases.
2 v, n, c8 i3 Z* ^ D% fThe specimens are placed in position as shown in figure 41.7 j; t+ U9 d) v0 ]: e, n
The force applied through the blade is 2,5 N.' e$ c% o |9 _
The apparatus, with the specimen in position, is maintained for 2 h in a heating cabinet at a
) ?* f+ n- c/ h( I" }6 ~temperature of (200 ± 5) °C.! A$ V& z" B3 w9 C3 K
The specimen is then removed from the apparatus and, within 10 s, cooled by immersion in
; l1 c @8 U' Z( m( ~8 e, v+ Ycold water.
% b2 a9 O, E0 K- _The thickness of the insulation remaining at the point of impression is measured and shall not% w. s& ]2 h& @: j
have been reduced by more than 50 % of its original value measured at the start of the test.* `9 [8 Z* _ Y$ t9 g+ x
NOTE The values 2,5 N and (200 ± 5) °C are provisional.
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+ C2 Y/ {+ G, C/ V) |当时我们采用PC6485的材料做, 结果是胶都融化了.+ z; A, _% j0 }
3 C# Z: r: h/ n7 M/ D请各位帮忙是否做过类似测试?请帮忙提供可以通过此测试的塑胶材料.
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/ ^8 e1 c7 o& v5 u0 }& w5 X& e1 U谢谢各位了. |
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