|
寻求高人指点:
% [ y" }, a" i澳洲认证,产品:Fan heater: K$ }0 i& y# ]2 E
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:" d7 c! m9 X4 B; {
30.2.1 Modification:2 I: K$ H' w( n. d @
The glow-wire test is carried out on enclosures at a temperature of 650 °C.
0 T% ]; [- [9 u Addition:1 ]& K X1 s& @2 Z; q
For fan heaters having an enclosure of substantially non-metallic material, the non-metallic2 {/ p5 h3 n% A6 P7 g6 w' @
material( l+ o( U! m% o7 t
– in the enclosure, in fan blades and in all structural elements within the enclosure;
7 n5 J$ `! O1 j$ F– in components such as thermostats, thermal cut-outs, switches and the like that are
) ]. F9 P6 ]) z; a0 {% _mounted within a distance of 25 mm from a heating element;are subjected to the following tests.
% ]- V% Q8 ~6 ^( KSuch parts shall withstand the glow-wire test of IEC 60695-2-11 without ignition, the test. E4 ]" l' E' y' F5 _) \) u! P
being carried out with a severity of 850 °C. However, the glow-wire test is not carried out on! S0 {4 s3 Z6 b, c$ v
parts of material classified as having a glow-wire ignition temperature according to
. g! f6 B6 U) A* c1 p$ F2 WIEC 60695-2-13 of at least 875 °C.
( B1 K" n/ O* S" g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。
: ?2 I: s# t6 [% z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?
8 a+ B6 D7 t$ J什么是外壳内部结构性元件?; N: {# g9 |: n. ^& p
上面讲到的substantially non-metallic material 是什么意思?
" F. H2 i2 I1 s9 J9 H4 c r判能找到高人指点! |
|