Abstract: A refrigerator according to an embodiment of the present invention comprises an inlet port and an outlet port which are formed in a sink body forming a heat sink, so as to guide coolant inflow and coolant outflow respectively, wherein the center line of the inlet port passes through the center of a thermoelectric element attached to the heat sink.

Abstract: A thermoelectric module according to an embodiment of the present invention may comprise: a cold sink; a thermoelectric element having a heat absorption surface coupled to the cold sink; a heat sink coupled to a heating surface of the thermoelectric element to dissipate heat transferred from the cold sink to the outside of the thermoelectric element; and a sealing cover for connecting the edge of the cold sink and the edge of the heat sink to surround the thermoelectric element, wherein the cold sink, the heat sink, and the thermoelectric element may be integrally formed by the sealing cover. In addition, the thermoelectric element may be a cascade type thermoelectric element in which two thermoelectric elements having the same or different specifications are coupled to each other.

Abstract: A refrigerator according to an embodiment of the present invention can comprise: a refrigerator chamber; a freezer chamber partitioned from the refrigerator chamber; a deep-freezing chamber accommodated inside the freezer chamber and partitioned from the freezer chamber; and a freezer evaporator chamber formed on the rear side of the deep-freezing chamber. A refrigerator according to an embodiment of the present invention can further comprise a partition wall comprising a grill fan, which partitions the freezer evaporator chamber and the freezer chamber, and a shroud which is connected to the back surface of the grill fan and forms a flow path for supplying cold air of the freezer evaporator chamber to the freezer chamber.

Abstract: A method for controlling a refrigerator according to an embodiment of the present invention is characterized by comprising: a step for determining whether a deep-freezing chamber mode is ON; and a step for determining whether a deep-freezing chamber load response operation input condition is satisfied, wherein when a cold chamber is determined to be operating at the time the deep-freezing chamber load response operation input condition is satisfied, the cold chamber operation is terminated and a deep-freezing chamber load response operation is performed.

Abstract: A method for controlling a refrigerator according to an embodiment of the present invention comprises the steps of: determining whether or not an ultra-low temperature compartment mode is turned on; determining whether or not an ultra-low temperature compartment load-responsive operation input condition is satisfied; and determining whether or not a freezer compartment load-responsive operation input condition is satisfied, wherein if the ultra-low temperature compartment mode is turned on, and the ultra-low temperature compartment load-responsive operation input condition and the freezer compartment load-responsive operation input condition are both satisfied, a corresponding ultra-low temperature compartment load-responsive operation is preferentially performed.

Abstract: A method for controlling a refrigerator according to an embodiment of the present invention is characterized by comprising: a step for determining whether a defrosting period (POD) for defrosting a freezing chamber and a deep freezing chamber has elapsed; a step for, when it is determined that the defrosting period has elapsed, performing a deep cooling operation for bringing at least one among the temperature of the deep freezing chamber and temperature of the freezing chamber down to a temperature lower than a control temperature; and a step for defrosting the deep freezing chamber when the deep cooling operation is terminated, wherein, when the defrosting of the deep freezing chamber is started, a freezing chamber valve is closed to block cold air flow to the heat sink, the defrosting of the deep freezing chamber includes cold sink defrosting and heat sink defrosting performed after the cold sink defrosting is completed, and while the heat sink defrosting is being performed, a deep freezing chamber fan is

Abstract: A method for controlling a refrigerator according to an embodiment of the present invention comprises: if an ultra-low temperature compartment mode is turned on, performing control such that one of low voltage, middle voltage, high voltage, and reverse voltage is applied to the thermoelectric module according to the operation mode of the refrigerator; and if the temperature of the ultra-low temperature compartment is determined to be in a satisfactory temperature range, applying low voltage to the thermoelectric module by the control unit.

Abstract: A method for controlling a refrigerator according to an embodiment of the present invention is characterized in that, when the temperature of a freezing chamber is in a satisfactory temperature range, and a deep-freezing chamber mode is turned on such that a deep-freezing chamber cooling operation is being performed, the refrigerator is controlled to perform a cold air sagging prevention operation in which a fan of the freezing chamber repeatedly starts and stops at regular intervals.

Abstract: A method for controlling a refrigerator, according to an embodiment of the present invention, comprises: a step in which it is determined whether a period of defrosting (POD) for defrosting a freezing compartment and a deep-freezing compartment has elapsed; a step in which, when it is determined that the period of defrosting has elapsed, a deep cooling operation for cooling at least one from among the temperature of the deep-freezing compartment and the temperature of the freezing compartment to be lower than a control temperature is performed; and a step in which, when the deep cooling operation finishes, a defrosting operation for defrosting the freezing compartment and the deep-freezing compartment is performed.

Abstract: A storage container includes a body defining a first opening at a top of the body, a second opening at a bottom of the body, and a space between the first opening and the second opening, a cover configured to open or close the first opening, the cover including an insulation material to thermally insulate the space from an outside of the body, a housing disposed in the space to store items, a thermoelectric element disposed in the second opening, the thermoelectric element including a heat-absorbing surface and a heat-emitting surface, a heat-absorbing heat exchanger that surrounds the housing, contacts the heat-absorbing surface, and is configured to transfer heat from the housing to the heat-absorbing surface, a heat transfer part configured to transfer heat generated from the heat-emitting surface to a wall of the body, and a heat-dissipating part configured to dissipate heat from the heat transfer part.

Abstract: In a refrigerator control method according to an embodiment of the present invention, a control unit intermittently turns on a temperature sensor on a predetermined cycle when a deep-freezing chamber mode is turned off, so that the temperature sensor senses the internal temperature of a deep-freezing chamber for a first set time, and the sensed internal temperature of the deep-freezing chamber is transmitted to the control unit so as to minimize power consumption.

Abstract: In a refrigerator control method according to an embodiment of the present invention, an operation corresponding to a freezer chamber load is performed when a heat load penetrates the inside of the freezer chamber, and the internal temperature of a deep-freezing chamber is differently set and controlled according to the on/off state of a deep-freezing chamber mode, and thus the input condition of the operation corresponding to the freezer chamber load can be differently set according to the on/off state of the deep-freezing chamber mode.

Abstract: In addition, the thermoelectric element may be a cascade type thermoelectric element in which two thermoelectric elements having the same or different specifications are coupled to each other.

Abstract: A refrigerator according to an embodiment of the present invention comprises an inlet port and an outlet port which are formed in a sink body forming a heat sink, so as to guide coolant inflow and coolant outflow respectively, wherein the center line of the inlet port passes through the center of a thermoelectric element attached to the heat sink.

Abstract: A refrigerator includes a cabinet, a first inner case that defines a freezing compartment, a second inner case that defines a refrigerating compartment, a thermal siphon unit that is configured to carry a working fluid for heat transfer and that has a closed loop shape that includes a first part arranged at an outer side of the first inner case and a second part arranged at an outer side of the second inner case, and a cool air storage unit arranged in a space partitioned in the first inner case. The cool air storage unit is configured to accommodate cool air of the freezing compartment and transfer the cool air to the first part of the thermal siphon unit arranged outside of the first inner case.

Abstract: In a refrigerator control method according to an embodiment of the present invention, an operation corresponding to a deep-freezing chamber load, in which both a refrigeration chamber valve and a freezer chamber valve are opened, is performed when a deep-freezing chamber mode is turned on and the input condition of the operation corresponding to a deep-freezing chamber load is satisfied.

Abstract: The present invention provides a LIDAR 100 including a correlation signal generation unit 110 for generating two or more different correlation signals, a signal transmission/reception unit 130 for outputting a part of the two or more correlation signals as a transmission signal St, and receive a signal returned by reflecting from a target 140 among the output transmission signals St as a received signal Sr, a delay time adjustment unit 150 for delaying a reference signal by an appropriate delay time using the reference signal Sref, and a delay time decision unit 180 for determining whether a signal obtained by adding the received signal and the delay reference signal together has an SNR higher than a threshold, thus to determine whether the delay time delayed by the delay time adjustment unit 150 is appropriate or not, and a processing unit 190 for confirming characteristics of the target 140.

Abstract: A refrigerator includes a cabinet, a first inner case that defines a freezing compartment, a second inner case that defines a refrigerating compartment, a thermal siphon unit that is configured to carry a working fluid for heat transfer and that has a closed loop shape that includes a first part arranged at an outer side of the first inner case and a second part arranged at an outer side of the second inner case, and a cool air storage unit arranged in a space partitioned in the first inner case. The cool air storage unit is configured to accommodate cool air of the freezing compartment and transfer the cool air to the first part of the thermal siphon unit arranged outside of the first inner case.

Abstract: A refrigerator includes a main body including a freezing-compartment inner case forming a freezing compartment and a refrigerating-compartment inner case forming a refrigerating compartment, and a heat transfer module including a thermosiphon part having a portion provided in the freezing-compartment inner case and another portion provided in the refrigerating-compartment inner case and having a closed loop in which working fluid for transferring heat flows and a heating member coupled to one side of the thermosiphon part to heat the working fluid. Other configurations are possible.

Abstract: A storage container includes a body defining a first opening at a top of the body, a second opening at a bottom of the body, and a space between the first opening and the second opening, a cover configured to open or close the first opening, the cover including an insulation material to thermally insulate the space from an outside of the body, a housing disposed in the space to store items, a thermoelectric element disposed in the second opening, the thermoelectric element including a heat-absorbing surface and a heat-emitting surface, a heat-absorbing heat exchanger that surrounds the housing, contacts the heat-absorbing surface, and is configured to transfer heat from the housing to the heat-absorbing surface, a heat transfer part configured to transfer heat generated from the heat-emitting surface to a wall of the body, and a heat-dissipating part configured to dissipate heat from the heat transfer part.