Refrigerator defrosting control method and device

Abstract

The invention discloses a defrosting control method and device for a refrigerator. The method comprises the following steps: recording the accumulative running time of the compressor and the number of opening times of the refrigerator door, detecting the ambient temperature and the ambient humidity each time the door is opened, and recording Door opening maintenance time; judging whether the defrosting start condition is met according to the accumulated running time of the compressor and the number of times the refrigerator door is opened; if the defrosting start condition is met, the defrosting is started, and after starting the defrosting, Obtain the defrosting exit temperature according to the ambient temperature, ambient humidity and door opening maintenance time detected each time the door is opened; when the evaporator temperature of the refrigerator reaches the defrosting exit temperature, the refrigerator is controlled to end defrosting, thereby , according to the actual ambient temperature and humidity to control the defrosting time, so as to achieve the purpose of "thoroughly defrosting when there is a lot of frost, and saving power consumption when there is little frost".

Description

technical field [0001] The invention relates to the technical field of refrigeration equipment, in particular to a method for controlling defrosting of a refrigerator and a device for controlling defrosting of the refrigerator. Background technique [0002] Frost will form after the refrigerator has been used for a period of time. In related technologies, defrosting is usually performed by heating wires, and the heating time of the heating wires is obtained according to the accumulated running time of the compressor and the number of times the refrigerator door is opened. However, its disadvantage is that the actual frosting degree in the refrigerator is not considered, and the defrosting accuracy is low, which may lead to excessive heating when there is little frosting, which will increase the power consumption of the refrigerator, the temperature in the refrigerator will rise rapidly, and the freshness preservation effect will be poor. ; It may also cause more frosting bu...

AI Technical Summary

Problems solved by technology

However, its disadvantage is that the actual frosting degree in the refrigerator is not considered, and the defrosting accuracy is low, which may lead to excessive heating when there is little frosting, which will increase the power consumption of the refrigerator, the temperature in the refrigerator will rise rapidly, and the freshness preservation effect will be poor. ; It may also lead to more frosting but insufficient defrosting time, resulting in insufficient defrosting, reduced heat transfer efficiency of the evaporator, and poor cooling effect

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