JP2004101050A5 - - Google Patents

Claims (4)

  In a refrigerator that cools the interior with a Stirling refrigeration engine, a first high-temperature side refrigerant circulation circuit that releases heat from the high-temperature portion formed in the Stirling refrigeration engine to the outside of the chamber, and heat from the high-temperature portion to the outer wall surface A second high temperature side refrigerant circulation circuit to be applied, an atmosphere detection unit for detecting an atmosphere in the vicinity of the refrigerator, and a control unit for controlling the refrigerant circulation amount of the second high temperature side refrigerant circulation circuit based on a detection result of the atmosphere detection unit; , A refrigerator characterized by having.   In a refrigerator that cools the interior with a Stirling refrigeration engine, a first high-temperature side refrigerant circulation circuit that releases heat from the high-temperature portion formed in the Stirling refrigeration engine to the outside of the chamber, and heat from the high-temperature portion to the outer wall surface A second high temperature side refrigerant circulation circuit to be provided, an atmosphere detection unit for detecting an atmosphere in the vicinity of the refrigerator, and a control unit for controlling a heat release amount of the first high temperature side refrigerant circulation circuit based on a detection result of the atmosphere detection unit; A refrigerator characterized by having.   In a refrigerator that cools the interior with a Stirling refrigeration engine, a first high-temperature side refrigerant circulation circuit that releases heat from the high-temperature portion formed in the Stirling refrigeration engine to the outside of the chamber, and heat from the high-temperature portion to the outer wall surface A second high-temperature side refrigerant circulation circuit to be applied, an electric heater for heating the outer wall surface of the cabinet, an atmosphere detection unit for detecting an atmosphere in the vicinity of the refrigerator, and an energization amount to the electric heater based on a detection result of the atmosphere detection unit And a control unit that controls the refrigerator. The atmosphere detection unit includes a first temperature sensor that measures the wall surface temperature of the refrigerator, a second temperature sensor that measures the ambient temperature of the refrigerator, and a humidity sensor that measures the ambient humidity of the refrigerator. refrigerator according to any one of claims 1 to 3, characterized by comprising.