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电冰箱能效等级如何测定?

冰箱能效等级的划分一般会根据冰箱的冷藏室容积、冷冻室容积按照一个折算系数,一个经验公式,可以及计算这样容积对应的一个耗电量的限定值,高于这个限定值的冰箱直接是不允许生产销售的。

冷藏冷冻箱实际测量值与这个最大限定值的比值小于等于35%,能效等级为1级;大于35%而小于等于45%能效等级为2级;大于45%而小于等于55%能效等级为3级;小于等于65%为4级;小于等于80%为5级。 

具体详细内容可以查看国标GB12021.2-2007家用电冰箱耗电量限定值及能源效率等级。

冰箱节约能耗的主要技术方案按效果递减排列更换高效率的压缩机,真空绝热50%的内部面积,25mm厚,加厚25mm箱体绝热层厚度,加大蒸发器面积,加大冷凝器面积。

The energy efficiency grade of refrigerators is generally divided according to the volume of refrigerators and freezers. According to a conversion coefficient and an empirical formula, a limit value of power consumption corresponding to such a volume can be calculated. Refrigerators higher than this limit value are not allowed to be produced and sold directly.

The ratio of the actual measured value of the refrigerator to the maximum limit value is less than or equal to 35%, and the energy efficiency grade is grade 1; More than 35% but less than or equal to 45%, and the energy efficiency grade is grade 2; More than 45% but less than or equal to 55%, and the energy efficiency grade is grade 3; 65% or less is level 4; Less than or equal to 80% is level 5.

For details, please refer to the national standard gb12021 2-2007 power consumption limit and energy efficiency grade of household refrigerators.

The main technical schemes for saving energy consumption of the refrigerator are arranged in descending order according to the effect. Replace the high-efficiency compressor, vacuum insulation 50% of the internal area, 25mm thick, thicken the insulation layer of the 25mm box, increase the area of the evaporator and the area of the condenser.

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