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寻求高人指点:
5 ~0 v* n" A' j; D! c澳洲认证,产品:Fan heater
8 ~: X) P, A' K% G7 r3 y6 L- c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:
7 e: \% w# W+ A4 L4 V* [30.2.1 Modification:
) e; `, W! x2 g7 V3 AThe glow-wire test is carried out on enclosures at a temperature of 650 °C.7 w! v- o/ v- ~1 Y: T* m" Q
Addition:
! ~; ]1 M5 o/ f9 }* g+ pFor fan heaters having an enclosure of substantially non-metallic material, the non-metallic' N |" q7 D. X
material
4 C3 _0 y& a6 s1 a# H p– in the enclosure, in fan blades and in all structural elements within the enclosure;
8 `. ?0 G( m" _$ `– in components such as thermostats, thermal cut-outs, switches and the like that are( `7 B( N9 T: s" K3 q
mounted within a distance of 25 mm from a heating element;are subjected to the following tests.
1 F U% c! t& E6 cSuch parts shall withstand the glow-wire test of IEC 60695-2-11 without ignition, the test/ a! ]* \* x: Z5 d+ z) W
being carried out with a severity of 850 °C. However, the glow-wire test is not carried out on% P- C# _* P% F3 l7 R
parts of material classified as having a glow-wire ignition temperature according to
( v# w e8 Z0 n6 b; }8 @6 K: dIEC 60695-2-13 of at least 875 °C.
& N2 d: V! J- w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。
! t, k! r+ ]) R$ N# n+ m- Q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?) ^5 ?7 \! r5 L
什么是外壳内部结构性元件?3 |: V, @" D; y3 w4 `& u# \" V5 g* y
上面讲到的substantially non-metallic material 是什么意思?) \( s# {8 s; A8 L3 J! z7 ~, _
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