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寻求高人指点:4 }2 _8 o c; ]: e* x: K
澳洲认证,产品:Fan heater7 H' T$ A8 A- Y2 h
澳洲针对Fan heater(室内加热器)最新2009版标准AS/NZS 60335.2.30: 2009 clause 30.2.1章规定:. G2 }; E" D. u/ f4 f$ u+ h
30.2.1 Modification:
; F, A% Y. @! D0 h8 w! j+ z7 VThe glow-wire test is carried out on enclosures at a temperature of 650 °C.( _2 m8 m# L/ w2 `+ n0 O
Addition:
8 p% U2 m9 s/ }5 UFor fan heaters having an enclosure of substantially non-metallic material, the non-metallic0 G" E, y5 d. v- ?: Q9 n% T
material
1 _3 C0 k. C+ Q. n! f" ^– in the enclosure, in fan blades and in all structural elements within the enclosure;# ]$ Y, I- ~' b- v/ M
– in components such as thermostats, thermal cut-outs, switches and the like that are
; @, Y5 D; q8 _* Pmounted within a distance of 25 mm from a heating element;are subjected to the following tests.
* G; S3 _) B* F# U, V. eSuch parts shall withstand the glow-wire test of IEC 60695-2-11 without ignition, the test2 o! }8 `5 p3 A
being carried out with a severity of 850 °C. However, the glow-wire test is not carried out on
2 `; e# u* t- M4 q; L- Mparts of material classified as having a glow-wire ignition temperature according to
6 ~# N8 { O4 Y% L8 Q+ @IEC 60695-2-13 of at least 875 °C.5 z9 U8 W- Z# w# N
我的理解是只要是产品外壳内部所有的塑胶零部件都需要做850度的灼热丝测试,而且一点火都不能起,也就是不是按照通常的判定方法:点火30秒,移开后30秒要熄灭来判定。9 D+ \9 W2 } V9 G, i5 F
问题点是:哪些部件需要测试灼热丝,标准表达得非常模糊。以上in the enclosure, in fan blades and in all structural elements with the enclosure都用到了3个in, 是指外壳里,风扇叶片里,和外壳内部的结构性元件吗?3 H8 w1 s }! R
什么是外壳内部结构性元件?
) i) }/ n n7 C B) \, l上面讲到的substantially non-metallic material 是什么意思?2 i' Y" H" q3 O; u& `- C) @- L- T
判能找到高人指点! |
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