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发表于 2017-6-19 17:22
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本帖最后由 passagere 于 2017-6-19 17:24 编辑
' I0 h/ s: u1 x' g6 H# X; yralf 发表于 2017-6-19 10:57 9 ?8 h$ b9 P6 n6 Y3 Z
从决议本身,并不能看到说接受外壳具有足够防火等级,内部器件可不做针焰;问题本身标准都没有出处,而后面 ... 1 |* P" V$ p* ~. g- S. S, C7 N
前辈,谢谢你的信息!
H) i3 s& f# y9 s前几日,论坛网友提供了一项决议,DSH 0930,由于软件限值,无法提供截图,我把内容写一下,它是和60598的13.3.1条款相关的:' _( F) \0 m: V5 D& k
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条款13.3.1:
0 i0 n2 f3 A4 k6 c/ K6 H$ e13.3.1 Parts of insulating material retaining current-carrying parts in position shall withstand the following tests. The parts to be tested are subjected to the needle-flame test of IEC 60695-11-5, the test flame being applied to the sample for 10 s at the point where the highest temperatures are likely to occur, measured if necessary during the thermal tests of Section 12. 7 n) \$ z9 ^+ C( c
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The duration of burning shall not exceed 30 s after removal of the test flame, and any burning drop from the sample shall not ignite the underlying parts as required by IEC 60695-11-5.
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The requirements of this subclause do not apply in those cases where the luminaire provides an effective barrier to burning drops. ) `* s9 \# X5 _& s5 S9 a
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# l) t c/ v/ R( b; o( MQuestion: If an effective barrier to burning drops is provided, the needle-flame test is not applied on parts of insulating material which retain current-carrying parts in position (e.g. terminals). Could a plastic enclosure of luminaire providing a barrier to burning drops and having passed the glow-wire test at 650°, be regarded as an "effective barrier" or should such part withstand the needle-flame test?
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Decision:6 K' {9 U3 |" d' O+ Q. l+ U
Needle-flame test and glow-wire test (650°) are required. 7 v' V, q/ M7 J+ e0 z' ]) {
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1 E9 s' S9 |+ l: G( k! J+ q9 @ 上面这句是说外壳可以当barrier,还是说端子必须满足针焰和灼热丝650呢?之前我理解是允许外壳当做barrier的,今天看看大家的回复,有些不淡定了。。& u; M& N' l( U2 v0 @* x* s
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