An induction cooker includes a microcrystal panel and at least three temperature sensors scattered on a bottom surface of the microcrystal panel, and the induction cooker is configured to heat a container to be measured. The method includes: obtaining temperature data collected by the at least three temperature sensors and position data of each temperature sensor relative to the microcrystal panel; obtaining an actual position of the container on the microcrystal panel according to the temperature data and the position data; obtaining a preset temperature curve matching the induction cooker according to the temperature data, and extracting a peak value of the preset temperature curve; and calculating an actual temperature of the container to be measured according to the actual position and the peak value.

An induction heating device includes a case, a working coil, a cover plate, a luminous element, a light guide disposed around the working coil, an input interface that is flush with an upper surface of the cover plate, a first controller configured to control driving of the working coil and the luminous element and to detect a position of one or more objects disposed on the upper surface and an arrangement sequence of the one or more objects placed on the upper surface, and a second controller configured to receive, from the first controller, information on the position and the arrangement sequence of the one or more objects, and control the input interface to display an image corresponding to a heating zone for the one or more objects based on the information on the position and the arrangement sequence of the one or more objects.

An induction cooking apparatus includes a plurality of induction coils arranged in at least one array. At least one beam structure is configured to support the at least one array of induction coils. At least one electrical circuit is in connection with the at least one beam structure and in communication with each of the plurality of induction coils forming the at least one array. At least one inverter assembly is configured to drive the induction coils. The electrical circuit and the inverter assembly form a connection interface including a plurality of mating connectors. The mating connectors of the connection interface electrically connect the array with the inverter assembly.

An induction heating and wireless power transmitting apparatus includes a first group of working coils including a first working coil and a second working coil connected to each other in parallel, a first inverter that supplies resonant currents to at least one of the first working coil or the second working coil by performing a switching operation, a first semiconductor switch connected to the first working coil configured to turn on and turn off the first working coil, a second semiconductor switch connected to the second working coil and configured to turn on and turn off the second working coil, an auxiliary power supply configured to supply power to the first semiconductor switch and the second semiconductor switch, and a controller that controls the first inverter, the first semiconductor switch, and the second semiconductor switches.

A method is provided for controlling average power delivered to coils of a flexible induction cooktop having a plurality of coils that are arranged adjacent to one another in a non-overlapping manner to form an array. The method includes: a) identifying a group of the plurality of coils that are underlying one or more cookware items; b) providing power to at least one coil of the group of coils underlying one or more cookware items; and c) at the same time, not providing power to coils of the group of coils underlying the cookware items that are adjacent to the at least one coil to which power is provided to prevent interaction between adjacent coils of the group of coils.

An induction heating device includes: a casing; a cover plate coupled to a top of the casing and configured to seat an object on a top surface of the cover plate; a working coil located within the casing and configured to heat the object on the top surface of the cover plate; a base plate configured to support the working coil; an indicator board that is located vertically below the base plate and that is spaced apart from the base plate to define an air-flow path between the base plate and the indicator board, where the indicator board includes a plurality of light emitting elements; and a blowing fan located at a first side of a bottom surface of the casing and configured to suction air into the casing from an outside of the casing and to discharge air into the air-flow path.

An induction cooking hob includes a control unit and at least one cooking zone. The cooking zone includes at least three induction coils. At least one first group of one or more induction coils and at least one second group of two or more induction coils of the at least one cooking zone are alternatingly activatable or activated by a control unit.

A device having: an article having a flat surface and a lower surface opposed to the flat surface; a cavity formed in the lower surface forming a complete loop surrounding a central portion of the article; a heating element having the same shape as the complete loop in the cavity and positioned to warm a portion of the flat surface adjacent to the heating element when the heating element is activated; a cooling device positioned to cool a portion of the flat surface in the central portion; and a release layer on the flat surface. A device having: an article having an upper surface; a heating element on the upper surface forming a complete loop surrounding a central portion of the article; and an electrically insulating material on the upper surface within the central portion.

A heating device for a hob has a flat rectangular carrier with an outer edge, two heating elements which each have a heating conductor and which together form a heating area and which are fastened on the carrier, wherein each heating element defines a partial heating area, and the partial heating areas are situated inside the rectangular shape of the carrier. The heating elements and their partial heating areas can be operated independently of one another. The partial heating areas of the heating elements do not intersect. A first partial heating area is rectangular and extends, by way of at least one of its outer sides, to the outer edge of the carrier and runs parallel in relation to the outer edge. A second partial heating area covers the portion of the rest of the carrier which is left free by the first partial heating area. Various configurations of heated areas can be achieved owing to the independent operation.

A household appliance device includes an integer number N of row switching elements at a row position i, wherein i is an integer number 1≤i≤N, an integer number M of column switching elements at a column position j, wherein j is an integer number 1≤j≤M, a heating matrix including at least N×M heating matrix elements having positions (i,j), with N+M>2, wherein a heating matrix element at the position (i,j) includes at least one inductor at the position (i,j) and is connected to both the i-th row switching element and the j-th column switching element. At least one switching diode connects at least one of the row switching elements or at least one of the column switching elements to at least one reference potential.