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寻求高人指点:
2 x/ C$ {' G8 L A! d" M* \( b澳洲认证,产品:Fan heater
- F7 e$ C8 p B' W4 ^/ ~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:9 d( b$ g5 i) s2 C! y3 B
30.2.1 Modification:. M4 x$ n7 X# G9 v3 L
The glow-wire test is carried out on enclosures at a temperature of 650 °C.
- F' S% h$ A$ J4 ]& U Addition:2 Y/ C/ ]# V3 X
For fan heaters having an enclosure of substantially non-metallic material, the non-metallic
+ K$ X, ~8 l8 t7 z" Dmaterial
: N: C1 b6 v1 f/ Y( r2 A; W: \– in the enclosure, in fan blades and in all structural elements within the enclosure;
& s/ x2 @- i: ^3 Z; @0 t. Z– in components such as thermostats, thermal cut-outs, switches and the like that are6 K/ b$ d+ N! {0 \1 b8 A2 v
mounted within a distance of 25 mm from a heating element;are subjected to the following tests.
+ e' V H& A. a. S: }% XSuch parts shall withstand the glow-wire test of IEC 60695-2-11 without ignition, the test
5 t' S# d$ s5 M/ ?/ I0 @being carried out with a severity of 850 °C. However, the glow-wire test is not carried out on, H5 L4 w- |! n, r0 O) ~% p
parts of material classified as having a glow-wire ignition temperature according to) b( ?- b) c, u% P/ A0 F
IEC 60695-2-13 of at least 875 °C.- i P9 q, q* j: c& ]. }: J
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。* l: W" C# r7 E; r# W8 a; e: k( N
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?
- u: `% ^$ ^* N" E# a6 l什么是外壳内部结构性元件?
; ~* U; r, k) i# j5 D! a1 m上面讲到的substantially non-metallic material 是什么意思?% Y) x4 L; B H! u, J# J* z
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