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寻求高人指点:9 {" P7 h+ C* ]) R! }
澳洲认证,产品:Fan heater5 W& G$ P, \6 U8 o; k* Z
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:! F" ~, t0 k0 m- b" E+ i
30.2.1 Modification:
6 r0 ]" M- K+ qThe glow-wire test is carried out on enclosures at a temperature of 650 °C.1 Z, P: V; a% d9 \+ j# @
Addition:
& y: y& K9 Y- G4 aFor fan heaters having an enclosure of substantially non-metallic material, the non-metallic$ H2 Q T5 W0 d$ ~5 V0 p2 b$ }
material
- O' V+ Y2 U( z' P8 a9 y: b% E– in the enclosure, in fan blades and in all structural elements within the enclosure;
. h! C' p' ^$ {; Q) P9 a; O" q. s% ?– in components such as thermostats, thermal cut-outs, switches and the like that are( [- V6 a+ {! X% P% U
mounted within a distance of 25 mm from a heating element;are subjected to the following tests.# U ?9 X( w0 o7 B1 \2 J% B
Such parts shall withstand the glow-wire test of IEC 60695-2-11 without ignition, the test
1 }8 Y9 |$ l! q) N5 Dbeing carried out with a severity of 850 °C. However, the glow-wire test is not carried out on8 Z$ _" D6 n s) B3 t7 k; K( U
parts of material classified as having a glow-wire ignition temperature according to& t P% J- d" P$ E/ i* w
IEC 60695-2-13 of at least 875 °C.& z1 ~7 z4 |# f" I+ I1 g* O
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。! z |+ ^$ C$ e r% V( e
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?
( ^6 T m6 b: L4 O' Z什么是外壳内部结构性元件?2 l# J7 y" s1 H$ Z
上面讲到的substantially non-metallic material 是什么意思?; X- H! U9 [1 [+ q7 u
判能找到高人指点! |
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