Refrigeration appliance and its control method

Abstract

The present invention provides a refrigeration appliance, comprising: a storage room for storing articles; an evaporator room that can communicate with the storage room, and an evaporator for cooling wind is arranged in the evaporator room; The air cooled by the evaporator can circulate between the storage chamber and the evaporator chamber; a humidity sensor for detecting the humidity of the wind; the humidity sensor is arranged at a downstream position of the evaporator in the direction of wind flow. Therefore, other controls are performed according to the detected humidity, for example, based on the detected humidity or its change, a relatively accurate time point for starting the defrosting of the evaporator is determined, so as to improve the defrosting efficiency of the evaporator. In addition, the present invention also provides a control method for the above refrigeration appliance.

Description

technical field [0001] The invention relates to the technical field of refrigeration, in particular to a household refrigerator and a control method thereof. Background technique [0002] During the use of household refrigerators, it is inevitable that frost will form on the evaporators of the refrigerator and freezer, so it is necessary to periodically start the heater installed on the evaporator to defrost the evaporator, and pass the defrosted water through the drain pipe discharge. Accordingly, the operation control of the refrigerator includes a refrigerating cycle for cooling the storage compartment and a defrosting cycle for defrosting the evaporator. [0003] The defrosting control in frost-free refrigerators is usually defrosting at regular intervals, which may cause the refrigerator to defrost when there is little frost on the surface of the evaporator, which will cause a waste of energy. In addition, another defect of the above method is: in the wet season, the ...

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Problems solved by technology

[0003] The defrosting control in frost-free refrigerators is usually defrosting at regular intervals, which may cause the refrigerator to defrost when there is little frost on the surface of the evaporator, which will cause a waste of energy

In addition, another defect of the above method is: in the wet season, the number of times the user opens the door increases and a lot of frost has accumulated on the evaporator, but before the specified defrosting time, the refrigerator has not yet started to defrost, which will seriously affect the refrigeration performance of the refrigerator. performance

Although these defrosting control methods improve the efficiency of defrosting to a certain extent, there are many factors to consider and the program logic is complicated.

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