COOK TOP COMPRISING AT LEAST TWO HEATING ELEMENTS AND A POWER ELECTRONICS ARRANGEMENT
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Accused Products
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.
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Citations
22 Claims
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1-11. -11. (canceled)
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12. A cook top, comprising:
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at least two heating elements, a power electronics arrangement having an input connected to a single phase of a domestic AC supply, said power electronics arrangement comprising a plurality of power supply units, each power supply unit supplying one or more of the at least two heating elements with heating currents, and a switch arrangement comprising a plurality of electromechanical relays for connecting the power supply units to and/or disconnecting the power supply units from the heating elements, wherein output poles of at least two electromechanical relays associated with different power supply units are connected in parallel, said parallel connection permanently connected to at least one of the heating elements. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification