对II类器具金属外壳内附加绝缘球压温度选取的探讨

Discussion on Temperature Selected for the Ball Pressure Test on Supplementary Insulation Inside of Metal Enclosure for Class II Appliance

针对GB 4706.1-2005第30.1条的要求,通过分析实际检测中的样品及测试数据,得出了"位于器具内部的附加绝缘,球压温度仅需考虑标准第30.1条规定的2个条件:40℃士2℃加上第11章试验期间确定的最大温升;或者25℃士2℃加上第19章试验期间确定的最高温升(如果此值是较高的话)。无最低75℃的限值要求"的结论。

As to the requirements stated in clause 30.1 of GB 4706.1-2005, the conclusion is made through the tested sample in practice and testing data collected that the ball pressure test of the supplementary insulation inside of an appliance is carried out at a temperature of 40 ℃ ± 2 ℃ plus the maximum temperature rise determined during the test of clause 11 or at a temperature of 25 ℃ ± 2 ℃ plus the maximum temperature rise determined during the tests of clause 19, if this is higher and the requirement of minimum temperature 75 ℃ is not required any more.