Refrigerator

A refrigerator, comprising:

• a cabinet including a freezing compartment and an evaporation chamber;
• a dividing wall that partitions the freezing compartment and the evaporation chamber;
• a main evaporator disposed in the evaporation chamber;
• a case disposed in the freezing compartment;
• a chamber cover that divides an inner space of the case into a deep-freezing storage chamber and a deep-freezing evaporation chamber, the chamber cover comprising a discharge grille and a suction grille that are located on a surface of the chamber cover;
• an auxiliary evaporator located in the deep-freezing evaporation chamber, the auxiliary evaporator comprising a refrigerant pipe;
• and
• a deep cooling module that is located in the deep-freezing evaporation chamber, that is coupled to the auxiliary evaporator, and that is configured to cool the deep-freezing storage chamber to a deep cooling temperature that is lower than a temperature of the freezing compartment,
• wherein the deep cooling module comprises:
• a heat conduction unit that covers the refrigerant pipe of the auxiliary evaporator, the heat conduction unit having a rear surface that faces a front surface of the dividing wall and that is spaced apart from the front surface of the dividing wall;
• a thermoelectric device comprising:
• an exothermic surface that is attached to a surface of the heat conduction unit and that is configured to transfer heat to the refrigerant pipe of the auxiliary evaporator by conduction through the heat conduction unit, and
• an endothermic surface that is located on an opposite side of the thermoelectric device relative to the exothermic surface;
• a heat sink attached to the endothermic surface of the thermoelectric device and configured to absorb heat from air in the deep-freezing storage chamber and to transfer heat to the endothermic surface;
• and
• a cooling fan configured to blow air to the heat sink.