Abstract: As the basics and familiar commodity, de-frost refrigerator take a large share in the market. But as the no-frost refrigerator get more popular, the de-frost refrigerators' defect of frosting becoming a high influence for customers to make choice. This paper mentioned uniformity refrigerator is improved the way of freezing chamber evaporator assembly, through the way to add tube around the liner, to make the freezing chamber work uniform, decrease the thickness of frosting and eradicate the blind corner. Then achieve the goal of fast defrost.

Key words: De-frost refrigerator, Uniformity, Tube, Fast defrost.