Refrigerator and method and device for controlling refrigeration thereof

A device for controlling refrigeration of a refrigerator using a refrigeration system, comprising:

• a recognizing module;
• configured to recognize a current ice-making stage of an ice machine in the refrigerator;
• an acquiring module;
• configured to acquire a current temperature of an ice-making compartment in the ice machine;
• and
• a controlling module, configured to control a connecting direction of a control valve according to the current ice-making stage and the current temperature,
• wherein the refrigeration system comprises:
• a refrigerating evaporator for refrigerating a refrigerating compartment,
• an ice-making evaporator for making ice in the ice machine,
• a refrigerating capillary tube adjacent to the refrigerating evaporator and an ice-making capillary tube adjacent to the ice-making evaporator,
• the control valve for controlling the refrigerating capillary tube and the ice-making capillary tube.