Defrosting and heating device used for refrigerator evaporator, air-cooled refrigerator and defrosting control method

Abstract

The invention discloses a defrosting and heating device used for a refrigerator evaporator, an air-cooled refrigerator and a defrosting control method, and relates to the technical field of refrigerators. The heating power can be distributed according to needs, the defrosting efficiency is improved, and the energy consumption of the refrigerator is reduced. The defrosting and heating device used for the refrigerator evaporator comprises a heating shell. A heating cavity used for accommodating the refrigerator evaporator is formed in the heating shell. An air inlet and an air outlet which communicate with the heating cavity are formed in the heating shell. The heating cavity is defined by a heating bottom plate capable of heating and heating side walls in a surrounding mode. The heating bottom plate is opposite to the bottom surface of the refrigerator evaporator. The heating side walls surround the periphery of the side surface of the refrigerator evaporator. The defrosting and heating device provided by the invention can be used for defrosting of the air-cooled refrigerator evaporator.

Description

technical field [0001] The invention relates to the technical field of refrigerators, in particular to a defrosting heating device for a refrigerator evaporator, an air-cooled refrigerator and a defrosting control method. Background technique [0002] With the continuous development of refrigerator technology, the energy consumption requirements for air-cooled refrigerators continue to increase, and the refrigeration performance requirements for air-cooled refrigerators continue to increase. However, when the refrigeration performance of the air-cooled refrigerator is improved, the problem of frosting on the surface of the evaporator of the refrigerator will be serious, and at this time, the evaporator needs to be defrosted. Usually, a heater is used to heat and defrost the evaporator, but when the refrigerator is defrosted, the temperature of the refrigerator compartment will rise, which will affect the quality of food, increase the power consumption of the refrigerator, an...

AI Technical Summary

Problems solved by technology

However, during the defrosting process, the unmelted ice slag and ice cubes that fall off on the evaporator 01 will accumulate in the water receiving tank (not shown in the figure) at the lower part, and the water receiving tank is far away from the heater, and the temperature is relatively high. Low, the residual ice accumulated in the water tank cannot be melted in time, and after several defrosting cycles, it will block the air inlet at the lower part of the evaporator, resulting in blockage of the air duct and affecting the refrigeration of the refrigerator

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