Abstract: 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, and 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.

Abstract: 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.

Abstract: A cook top with at least two heating elements includes a power electronics arrangement connected to a domestic single phase AC supply. The power electronics arrangement includes several power supply units, which each supply heating currents to one or more heating elements, and a switch arrangement with several electromechanical relays for connecting/disconnecting the power supply units to/from the heating elements. Output poles of at least two electromechanical relays associated with different power supply units are connected in parallel, wherein the parallel connection is permanently connected to at least one of the heating elements. This arrangement reduces the number of switching processes required for alternating use of a power supply device with several heating elements, and simplifies compliance with electromagnetic compatibility standards.

Abstract: In a method for operating a cooking zone of a cook top, wherein the cooking zone is formed by at least two cooking sub-zones and each cooking sub-zone can be heated by at least one heating unit, with the heating units arranged adjacent to each other without overlapping such that a cohesive heatable surface is formed during a joint operation of the cooking sub-zones, detection of an occupancy of a cooking sub-zone by at least one food preparation vessel is activated in a first operating mode and a same electrical power is supplied to all activated cooking sub-zones occupied by a food preparation vessel.

Abstract: A household appliance device, in particular cooking appliance device, includes an energy storage unit and a discharge unit which is configured to discharge in a discharging operating mode the energy storage unit at least partially in an at least essentially linear manner.

Abstract: A domestic appliance includes a mains connection at which an electrical mains voltage can be applied relative to a reference potential, a main supply unit supplying an electrical operating voltage from the mains voltage at its output, and at least one electrical consumer receiving the operating voltage. An electrical switch electrically isolates at least the output of the main supply unit from the mains connection, when the domestic appliance is in a standby mode. Provided separate from the main supply unit is a voltage supply which is coupled to the mains connection and which taps the mains voltage at the mains connection in the standby mode and supplies a supply voltage from the mains voltage for switching the electrical switch to an electrically conducting switching state to thereby switch the domestic appliance from the standby mode to an operating mode.

Abstract: 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.

Abstract: 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, and 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.

Abstract: A household appliance device includes an inductor, a switching unit, at which an operating voltage is applied in an operating state, and a control unit configured to supply a supply voltage for the inductor by switching the switching unit. The control unit is configured to vary a frequency of the supply voltage within a period of the operating voltage in the operating state.

Abstract: A hob apparatus includes a configuration unit having at least two input connections for connection to at least two inverters in one-to-one correspondence, at least two output connections for connection to at least two heating elements in one-to-one correspondence, and at least one switch operably connected to a first one of the at least two input connections and operably connected to at least a first one of the at least two output connections. The configuration unit operates the at least two inverters in at least one operating state in parallel to at least one of the at least two heating elements. The configuration unit includes at least one bridging element to connect the first one of the at least two input connections and a second one of the at least two output connections to one another independently of a switching position of the at least one switch.

Abstract: A cooktop apparatus, in particular an induction cooktop apparatus, includes a switching unit configured to interrupt and establish current flow from a current supply, a first switching element receiving the current flow during an operating process, a control apparatus, which controls the switching unit during the operating process such that the switching unit interrupts the current supply during a first time interval which has a duration of less than of half a period of the power supply voltage. The control apparatus causes the current supply to be connected during the operating process immediately before and immediately after the first time interval. The first switching element begins switching and ends switching during the first time interval.

Abstract: A cooktop includes a plurality of heating elements, a user interface for inputting a power level, a detection assembly for detecting a position and size of at least one cookware element, and a control unit designed to combine a plurality of heating elements into a heating zone depending on the detected size and position of the cookware element and to operate the heating elements of the heating zone with a total heat output. In order to ensure a reproducible total heat output, the control unit is designed to calculate a bottom surface of the cookware element from the measurands of the detection assembly and to determine the total heat output depending on power level and bottom surface.

Abstract: In a method for operating a cooking zone of a cook top, wherein the cooking zone is formed by at least two cooking sub-zones and each cooking sub-zone can be heated by at least one heating unit, with the heating units arranged adjacent to each other without overlapping such that a cohesive heatable surface is formed during a joint operation of the cooking sub-zones, detection of an occupancy of a cooking sub-zone by at least one food preparation vessel is activated in a first operating mode and a same electrical power is supplied to all activated cooking sub-zones occupied by a food preparation vessel.

Abstract: In a method for operating a cooking zone of a cook top, wherein the cooking zone is formed by at least two cooking sub-zones and each cooking sub-zone can be heated by at least one heating unit, with the heating units arranged adjacent to each other without overlapping such that a cohesive heatable surface is formed during a joint operation of the cooking sub-zones, detection of an occupancy of a cooking sub-zone by at least one food preparation vessel is activated in a first operating mode and a same electrical power is supplied to all activated cooking sub-zones occupied by a food preparation vessel.

Abstract: A cooktop is provided that includes heating elements which are combined to a heating zone; a power supply to generate a heating current that operates the heating elements; a switch to open and close a power circuit that includes the power supply and one of the heating elements; and a controller that determines a characteristic variable of the heating current, actuates the switch as a function of a selected power level to operate the heating zone, and activates, in a first operating state, two of the heating elements, which are combined to form the heating zone, in different phases of a heating period.

Abstract: A hob apparatus includes a configuration unit having at least two input connections for connection to at least two inverters in one-to-one correspondence, at least two output connections for connection to at least two heating elements in one-to-one correspondence, and at least one switch operably connected to a first one of the at least two input connections and operably connected to at least a first one of the at least two output connections. The configuration unit operates the at least two inverters in at least one operating state in parallel to at least one of the at least two heating elements. The configuration unit includes at least one bridging element to connect the first one of the at least two input connections and a second one of the at least two output connections to one another independently of a switching position of the at least one switch.

Abstract: A hob includes at least one heating zone having several heating elements, a user interface for setting a heating capacity of the heating zone, and a control unit for operating the heating elements and for distributing the heating capacity among the heating elements according to a heating capacity distribution. In order to improve the efficiency of the hob, the control unit is configured to distribute the heating capacity among a larger number of heating elements when the heating capacity is below a threshold value than in the case, when the heating capacity is above the threshold value.

Abstract: A domestic appliance includes a mains connection at which an electrical mains voltage can be applied relative to a reference potential, a main supply unit supplying an electrical operating voltage from the mains voltage at its output, and at least one electrical consumer receiving the operating voltage. An electrical switch electrically isolates at least the output of the main supply unit from the mains connection, when the domestic appliance is in a standby mode. Provided separate from the main supply unit is a voltage supply which is coupled to the mains connection and which taps the mains voltage at the mains connection in the standby mode and supplies a supply voltage from the mains voltage for switching the electrical switch to an electrically conducting switching state to thereby switch the domestic appliance from the standby mode to an operating mode.

Abstract: A cooktop apparatus, in particular an induction cooktop apparatus, includes a switching unit configured to interrupt and establish current flow from a current supply, a first switching element receiving the current flow during an operating process, a control apparatus, which controls the switching unit during the operating process such that the switching unit interrupts the current supply during a first time interval which has a duration of less than of half a period of the power supply voltage. The control apparatus causes the current supply to be connected during the operating process immediately before and immediately after the first time interval. The first switching element begins switching and ends switching during the first time interval.

Abstract: In a method for operating a cooking zone of a cook top, wherein the cooking zone is formed by at least two cooking sub-zones and each cooking sub-zone can be heated by at least one heating unit, with the heating units arranged adjacent to each other without overlapping such that a cohesive heatable surface is formed during a joint operation of the cooking sub-zones, detection of an occupancy of a cooking sub-zone by at least one food preparation vessel is activated in a first operating mode and a same electrical power is supplied to all activated cooking sub-zones occupied by a food preparation vessel.