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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:( u4 q' g: n- H
30.1 Pressure test at high temperature
6 b3 Z! q2 {2 aThe specimens are tested by means of the apparatus shown in figure 41. This apparatus has
- o3 U! v% R- x: [4 Aa rectangular blade (see figure 41a) with an edge 0,7 mm wide, to be used in the case of) z0 D0 s& Z/ A# G! d! ^+ g
round pins, or a blade having a round shape (see figure 41b), with a diameter of 6 mm and an
" m5 }6 N5 U: b6 _edge of 0,7 mm, in other cases.- u# ?& A* @% e' j7 y/ t
The specimens are placed in position as shown in figure 41.6 G; \) J- X9 [! K2 G W" z9 m
The force applied through the blade is 2,5 N.9 \) |- n4 t( S- O: g
The apparatus, with the specimen in position, is maintained for 2 h in a heating cabinet at a
$ f$ q X* r& Etemperature of (200 ± 5) °C.6 j" L0 `$ W: n; U- w1 T2 f
The specimen is then removed from the apparatus and, within 10 s, cooled by immersion in4 ~& s& |4 S' _. y
cold water.
K0 o) }& c9 e: M8 NThe thickness of the insulation remaining at the point of impression is measured and shall not3 ?8 V' [0 W6 Q% x
have been reduced by more than 50 % of its original value measured at the start of the test.9 \' K5 k5 ]: f! y6 \8 L" H! R
NOTE The values 2,5 N and (200 ± 5) °C are provisional.
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; Q" |8 E% ?& J7 W$ c当时我们采用PC6485的材料做, 结果是胶都融化了.$ m4 B3 C! d( P: z: h
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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./ ^) o3 d+ k- ~8 s
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谢谢各位了. |
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