An induction heating circuit for a cooking appliance includes at least one induction coil configured to induce current in a cooking implement. At least one temperatures sensor is configured to measure a temperature proximate the cooking implement. An electrical circuit includes a substrate operably coupled to the at least one induction coil and the at least one temperatures sensor. The substrate of the electrical circuit forms a spring portion in connection with the at least one temperature sensor.

A home appliance includes a case having a first seating portion and a second seating portion, a first coil arranged in the first seating portion and configured to generate induced current to the first seating portion, a second coil arranged in the second seating portion and configured to generate induced current to the second seating portion and having a height lower than a height of the first seating portion, a first inverter arranged in the first seating portion and to supply driving current to the first coil to cause the first coil to generate the induced current, and a second inverter arranged in the first seating portion and to supply driving current to the second coil to cause the second coil to generate the induced current.

A circuit apparatus for an induction cooktop including at least one induction coil. At least one first circuit board extends along a first plane. At least one second circuit board extends along a second plane and is rigidly connected with the at least one first circuit board. Power circuitry is disposed on the at least one first circuit board and is configured to supply power to the at least one induction coil. Switching circuitry is disposed on the at least one second circuit board and is electrically interposing the power and control circuit and the at least one induction coil. The switching circuitry supplies a drive signal to the at least one induction coil. A control circuit is disposed on the at least one first circuit board and is configured to control the switching circuitry.

A cooktop using an induction heating method according to an embodiment of the present disclosure includes a plate on which an object to be heated is placed, a working coil generating a magnetic field for heating the object to be heated, and an inverter configured to control current flowing through the working coil. The plate may include a supporter made of a non-metallic material, an intermediate heating body forming at least a part of an upper surface of a top plate, and an insulating material that is arranged to be in contact with at least one surface of the intermediate heating body.

Disclosed is a novel substrate for home appliances which has high heat resistance and anti-discoloration performance. The novel substrate for home appliances includes: a main substrate; and a colored coating stack disposed on a surface of the main substrate, wherein the colored coating stack includes: an adhesive layer in contact with the surface of the main substrate, a color layer disposed on an upper surface of the adhesive layer; and a protective layer disposed on an upper surface of the color layer.

A food steamer includes a multi-zone induction cooker, a steamer and a user control panel. The steamer is disposed on the multi-zone induction cooker. The multi-zone induction cooker includes a plurality of heating coils and a heating control circuit. The plurality of heating coils are arranged side-by-side. The heating control circuit is electrically coupled to the heating coils. The steamer includes a top tray and a plurality of water tanks. The top tray has a plurality of steam holes. Each of the plurality of water tanks is separated from the other and disposed above each of the heating coils. The user control panel is electrically coupled to the heating control circuit. The user control panel can generate temperature requests. The heating control circuit can respectively regulate a power of each of the heating coils according to the temperature requests.

An electric range may include a case, a cover plate coupled to an upper end of the case and on an upper surface of which an object to be heated is placed, a heat sink, an air blowing fan, wherein the air blowing fan is configured to discharge air toward the heat sink, and an air guide that communicates with the air blowing fan, surrounds the heat sink, and forms a flow path of air that cools the heat sink, wherein the air guide includes an side outlet formed in a portion at which the air guide communicates with the air blowing fan, and wherein the air guide is configured to discharge a portion of air flowing from the air blowing fan outward.

An induction cooking appliance includes a cooktop that includes a heating element. The heating element includes an induction coil. The induction cooking appliance also includes a cooling fan, a temperature sensor, and a controller in communication with the temperature sensor. A method of operating the induction cooking appliance includes the controller performing a cooking operation. The cooking operation includes activating the heating element of the induction cooking appliance. The method also includes monitoring a temperature with the temperature sensor during the cooking operation. The method further includes operating the cooling fan based on the monitored temperature of the temperature sensor.

A cooking device includes a housing including a non-ferromagnetic surface and a lower shell positioned below the non-ferromagnetic surface. The cooking device also includes an induction cooking coil, a battery assembly configured to provide power to the induction cooking coil via a circuit board assembly, and a heat sink surrounding the battery assembly and the circuit board assembly. The induction cooking coil, the battery assembly, and the circuit board assembly are enclosed by the housing. The cooking device also includes a controller operatively coupled to the circuit board assembly and configured to switch from usage of a first driver circuit of the circuit board assembly to a second driver circuit of the circuit board assembly to power the induction cooking coil.

A cooking apparatus may include a main body forming a cooking room, a cooktop including a machine room accommodating an induction heating coil and a fan positioned inside the machine room, the cooktop positioned above the main body, a duct extending from a lower portion of the main body toward the fan and configured to guide air below the main body to the fan, and an air guide configured to guide air discharged to one side of the machine room by the fan downward from the machine room. The air guide may be configured to guide air guided from one side of the machine room downward from the machine room toward another side of the machine room.