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标题: ETL风筒温升测试方法 [打印本页]

作者: qinglang 时间: 2012-1-5 20:51
标题: ETL风筒温升测试方法
我公司现在有一款风筒在一家认证公司做试验，做出风口温升测试没有通过。他们告诉我司的测试方法是在前壳离出风口25.4MM处钻一小孔测试其温度。我以前做UL测试是在离出风口25.4MM处取UL测试板上5点的平均值。请问这两者测试方法是不是可以等效呢？

作者: dfcmie 时间: 2012-1-5 20:51
依据标准UL859 中的要求，有下列要求;
39.3.1.1 A hand-supported hair dryer is to be placed on a flat, horizontal, softwood surface
covered with two layers of white tissue paper, and operated until constant temperatures are
attained. During this test, both the heating element and the blower are to be operating.
The position of the dryer is to be such (considering the possibilities of actual service) that the
maximum temperature will be produced on the paper-covered supporting surface.
The temperature rise on the paper shall not exceed 125°C (225°F).

这里面明确说明; 风筒工作到稳定状态后，这段时间记录的纸面温度最高值为125度，所以LZ
所说的去平均值的方法是不可取的，应该选取单一点！

作者: 蓝色妖姬 时间: 2012-1-5 20:51

原文 :
依据标准UL859 中的要求，有下列要求;
39.3.1.1 A hand-supported hair dryer is to be placed on a flat, horizontal, softwood surface
covered with two layers of white tissue paper, and operated until constant temperatures are
attained. During this test, both the heating element and the blower are to be operating.
The position of the dryer is to be such (considering the possibilities of actual service) that the
.......

照原文理解要找出这个产生最高温度的点，是否要多测几个，取最大值，低于125即合格？

作者: gzsl2009 时间: 2012-1-5 20:51
应该是这样,但楼主说这段时间是指多长时间呢?

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