An ice making system for creating clear ice and an associated method are provided. The ice making system employs a first sealed refrigerant system connected to a heat exchanger. A second sealed refrigerant system is also connected to the heat exchanger for cooling a first refrigerant of the first sealed refrigerant system. A heat exchanger heater is at least partially contained with the heat exchanger for heating the first refrigerant. A pump in the first refrigerant system is activated after heat exchanger heater has warmed the first refrigerant, enabling a cooling cycle to begin. Once sufficient clear ice has been generated, the pump is deactivated.

A vacuum adiabatic body between a first space and a second space includes an alternating current line through which AC current flows as a driving source, a direct current line through which direct current flows as a driving source, and a signal line through which a control signal flows as electric lines configured to electrically connect the first space to the second space. Thus, the number of lines passing through the vacuum adiabatic body may be reduced.

A refrigerating and freezing device (1) includes a cabinet, wherein at least one storage compartment (11) is defined therein, and a heating cavity is defined in one of the storage compartments (11); and an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat a to-be-processed object, wherein the electromagnetic heating device is provided with an electromagnetic generation module (21) configured to produce an electromagnetic wave signal and a power supply module (24) configured to supply a power source to the electromagnetic generation module (21). A power supply box (40) is provided above a top of the cabinet (10), and heat dissipation holes configured to achieve communication between the interior of the power supply box (40) and an external environment where the power supply box (40) is located are provided in a box body of the power supply box (40). The power supply module (24) is disposed in the power supply box (40), a heat dissipation fan (31) is further provided in the power supply box (40) and is configured to drive airflow to flow between the interior of the power supply box (40) and the external environment where the power supply box (40) is located through the heat dissipation holes, so as to dissipate heat from the power supply module (24). The decrease of service life and efficiency caused by temperature rise during continuous working of the power supply module (24) and burn hazards caused by unintentional touch by users are completely eradicated, and meanwhile space is saved.

An ice maker, according to the present invention, comprises: a first tray forming a part of an ice-making cell; a second tray forming another part the ice-making cell; and a heater which is disposed so as to be adjacent to the first or the second tray, wherein the heater turns on during a period when cold air is being supplied to the ice-making cell, and the output of the on heater can vary.

Disclosed is an evaporator, comprising: a heating tube left as an empty space between first and second case sheets, which form an evaporator case, so as not to be overlapped with a cooling tube, and forming a heating passage in which a working liquid for defrosting flows; and a heater attached to the outer surface, which corresponds to the heating tube, of the evaporator case so as to heat the working liquid inside the heating tube. The heating tube can have a structure which an inlet and an outlet are respectively formed at both sides of a heater attachment part in the longitudinal direction and both end portions of a passage part are respectively connected to the inlet and the outlet, or can have a structure in which an opening is formed at one side of the heater attachment part, the working liquid heated by the heater is discharged through the opening, and the cooled working liquid is returned. The structures can form the heating passage, enabling the working liquid to circulate therethrough, without forming the inlet and the outlet, which are respectively connected to both end portions of the passage part, to be parallel at one side of the heater attachment part.

Provided is a heating device, including a cylinder body provided with a pick-and-place opening, a door body configured to open and close the pick-and-place opening, an electromagnetic generating system, at least a part of which is disposed in the cylinder body or accessed into the cylinder body, and a temperature sensing device. The temperature sensing device includes a signal sensing part and a signal processing part, wherein the signal sensing part is configured to sense specific parameters of an incident wave signal and a reflected wave signal in the cylinder body, and the signal processing part is configured to judge whether an average temperature of the object to be processed is in a specific temperature interval according to the specific parameters. Compared with sensing surface temperatures of different areas of the object to be processed by a plurality of sensors in the prior art, a more accurate overall average temperature can be obtained, and then the heating progress of the object to be processed can be judged more accurately.

A refrigerator includes a main body and a storage compartment provided inside the main body. A heater assembly partitions the storage compartment into a first storage compartment and a second storage compartment. The heater assembly includes a first case provided to define a surface of the first storage compartment, a second case coupled to the first case to form an accommodation space with the first case and provided to define a surface of the second storage compartment, a fixing unit formed on at least one of an inner surface of the first case and an inner surface of the second case, and a surface heater fixed to at least one of the inner surface of the first case and the inner surface of the second case by being coupled to the fixing unit. The surface heater includes a film and a heating wire printed on the film.

Provided are a heating device and a refrigerator. The heating device includes: a cylinder body, in which a heating cavity is defined and configured to place an object to be processed, provided with a pick-and-place opening located on a front side of the cylinder body; a door body, configured to open and close the pick-and-place opening of the cylinder body; an electromagnetic heating device, configured to generate electromagnetic waves into the heating cavity to heat the object to be processed; and magnetic elements, disposed on the door body or the cylinder body and configured to enable the door body and the cylinder body to attract each other, so that when the door body is in a closed state in which the door body seals the pick-and-place opening, the door body and the cylinder body are in close electrical contact, thereby forming a continuously conductive shielding body. By disposing the magnetic elements, on the one hand, the size of a gap between the door body and the cylinder body is reduced, and the amount of electromagnetic leakage is reduced; and on the other hand, it facilitates the door body and the cylinder body forming a continuously conductive shielding body to prevent electromagnetic waves from being emitted through the gap that may exist between the door body and the cylinder body, thereby effectively shielding the electromagnetic radiation and eliminating the harm of the electromagnetic radiation to the human body.

A refrigerator according to the present invention comprises: a storage compartment for storing food; a first temperature sensor for sensing the temperature in the storage compartment; a door for opening and closing the storage compartment; a cold air supply means for supplying cold air into the storage compartment; trays forming ice-making cells which are spaces in which water changes phase into ice due to the cold air; a second temperature sensor for sensing the temperature of the water or ice in the ice-making cells; a heater for supplying heat to the trays; and a control unit for controlling the heater, wherein, after opening or closing of the door is sensed during the ice-making process, the control unit increases the cooling power of the cold air supply means if an increase in cooling power therefrom is determined to be needed on the basis of the temperature sensed by the first temperature sensor, and decreases the amount of heat applied by the heater if a reduction in heat applied by the heater is determined to be needed on the basis of the change in temperature sensed by the second temperature sensor.

An ice making system for creating clear ice and an associated method are provided. The ice making system employs a first sealed refrigerant system connected to a heat exchanger. A second sealed refrigerant system is also connected to the heat exchanger for cooling a first refrigerant of the first sealed refrigerant system. A heat exchanger heater is at least partially contained with the heat exchanger for heating the first refrigerant. A pump in the first refrigerant system is activated after heat exchanger heater has warmed the first refrigerant, enabling a cooling cycle to begin. Once sufficient clear ice has been generated, the pump is deactivated.