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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:
0 q& r% d: q, a- d30.1 Pressure test at high temperature
! w+ u* w, D* G6 X" K2 f( I+ ~- g5 D* OThe specimens are tested by means of the apparatus shown in figure 41. This apparatus has
& r) `* I( x% X: s2 V- `a rectangular blade (see figure 41a) with an edge 0,7 mm wide, to be used in the case of
" P+ k# C7 W3 j6 V9 Ground pins, or a blade having a round shape (see figure 41b), with a diameter of 6 mm and an5 r. ]. M ?1 ?0 A2 _
edge of 0,7 mm, in other cases.: O" r5 [1 i% p! h- t
The specimens are placed in position as shown in figure 41.' W" s4 {; \, J6 o/ a
The force applied through the blade is 2,5 N.
) Z+ k8 ] i$ z4 n5 [! {8 IThe apparatus, with the specimen in position, is maintained for 2 h in a heating cabinet at a* a! X$ Y( ^( \
temperature of (200 ± 5) °C.4 F1 Q* g# k( |' Z4 T
The specimen is then removed from the apparatus and, within 10 s, cooled by immersion in
3 D0 T5 G4 M5 a; |cold water.
3 T1 c8 K$ t$ M/ {The thickness of the insulation remaining at the point of impression is measured and shall not
# M! w+ u8 T7 k) C& k4 T; Ahave been reduced by more than 50 % of its original value measured at the start of the test.
9 b( B c7 ~" }, x% N J/ xNOTE The values 2,5 N and (200 ± 5) °C are provisional.
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当时我们采用PC6485的材料做, 结果是胶都融化了.
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2 J0 I. `( t. ^$ g3 |# h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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谢谢各位了. |
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