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本帖最后由 shuaijiachen 于 2016-8-26 22:18 编辑
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$ I ~# y8 {! m请教各位大师关于UL859:2012中section 44 的温升测试方法问题。我看标准很有歧义，公司做法跟我的理解好像不一致！ m! I* |6 d/ |4 J# `! ]6 n! k
标准原文：
( b$ ~: K# U7 H# f44.1.19 An electrical heating element intended for application to the hair is to be loaded with a moistened
- N) S( `& ^: m" Hcloth and then operated until the moisture has been evaporated and the heating surface of the unit has
# c- o6 J2 I6 R: ]8 w1 |) f+ Fattained a temperature of 204°C (400°F). Following a 2 minute period with the unit disconnected, during
* q0 @, S4 }; e. Cwhich it is to be reloaded with another moistened cloth, the heating and evaporating operation is to be
9 q( W) q1 z$ Z2 q& mconducted a second time. The complete cycle is then to be repeated again. Temperatures are to be+ N* w( f5 o: M) K1 T5 D4 N% Z L; `
measured throughout the test.5 Q3 R1 w) E2 Z3 v
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44.1.21 For an appliance in which clips to be applied to the hair are heated by an external heater, the( K X* N: W' ]4 v1 Y
test is to consist of operation of the appliance until temperatures are constant, with the clips in place on
6 X \. R6 y- q3 \1 U5 kthe heater.
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* D; u2 v2 L w: q疑问如下：# H+ q+ R6 }# |1 o% F
1，直发器和卷发器的温升测试方法是一样的吗?具体步骤是怎么样的？
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& \. W, M$ R9 [7 L2，我看标准理解是：直发器和卷发器测试方法一致，发热板上夹湿布，开始上电，直到蒸发完成且发热板表面温度达到204度时，断电；停止2分钟，期间换上第二块湿布，再次上电，直至温度达到204度，完成测试（总共测试2cycles）。这种理解正确吗？难道只做2cycles/换2次湿布就可以完成温升测试了？好像这样温度都没有达到稳定状态。
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3，标准说达到204度后断电，换湿布，那么如果我们的产品发热板表面温度没有达到204度，那什么做测试？
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( [ X; T% G$ G2 C/ X4，为什么44.1.19中是测试2cycles，而44.1.21中却说是要一直工作到温度状态？这两个条款是针对不同产品吗？指哪些产品呢？
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发表于 2016-8-26 22:13
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