Wireless kitchen appliance operated on an induction heating cooker
First Claim
1. A kitchen appliance, configured to wirelessly operate on an induction heating cooker with a power generated by an induction coil, the kitchen appliance comprising:
- a microcontroller,one or more than one electronic circuit that provides a communication and/or control means to be controlled by the microcontroller,a power control circuitry that supplies the microcontroller and the one or more than one electronic circuit with a DC voltage for operation of the microcontroller and the one or more than one other electronic circuits,a receiver coil positioned across from the induction coil that receives the power generated by the induction coil based on a power scale setting on the inducting heating cooker, and provides transfer of a power to the power control circuitry,a rectifier disposed in the power control circuitry that converts AC voltage delivered from the receiver coil to a DC voltage,a buffer capacitor which filters the DC voltage at an outlet of the rectifier, anda peak voltage tracker that is disposed between the rectifier and the buffer capacitor, that tracks peak values of the DC voltage at the outlet of the rectifier and feeds back to the microcontroller, anda transformer disposed between the receiver coil and the rectifier, wherein the transformer is configured to modify, based upon a feedback received from the peak voltage tracker, an amount of AC voltage delivered to the rectifier to keep an amount of DC voltage provided to the microcontroller and the one or more than one electronic circuits constant.
1 Assignment
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Accused Products
Abstract
The present invention relates to a kitchen appliance (1) that is operated wirelessly on an induction heating cooker (K), comprising a programmable microcontroller (2), one or more than one electronic circuit (3) that provides the microcontroller (2) to control the communication means, user interface and sensors, providing communication with the induction heating cooker (K) whereon the kitchen appliance (1) is operated, a power control circuitry (4) that supplies the microcontroller (2) and the electronic circuits (3) with low level DC voltage, a receiver coil (5) that partially collects and provides transfer of the power generated by the induction coil (B) in the induction heating cooker (K) to the power control circuitry (4), a rectifier (6) that converts the AC voltage delivered from the receiver coil (5) to DC voltage and a buffer capacitor (7) which filters the DC voltage at the rectifier (6) outlet.
75 Citations
22 Claims
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1. A kitchen appliance, configured to wirelessly operate on an induction heating cooker with a power generated by an induction coil, the kitchen appliance comprising:
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a microcontroller, one or more than one electronic circuit that provides a communication and/or control means to be controlled by the microcontroller, a power control circuitry that supplies the microcontroller and the one or more than one electronic circuit with a DC voltage for operation of the microcontroller and the one or more than one other electronic circuits, a receiver coil positioned across from the induction coil that receives the power generated by the induction coil based on a power scale setting on the inducting heating cooker, and provides transfer of a power to the power control circuitry, a rectifier disposed in the power control circuitry that converts AC voltage delivered from the receiver coil to a DC voltage, a buffer capacitor which filters the DC voltage at an outlet of the rectifier, and a peak voltage tracker that is disposed between the rectifier and the buffer capacitor, that tracks peak values of the DC voltage at the outlet of the rectifier and feeds back to the microcontroller, and a transformer disposed between the receiver coil and the rectifier, wherein the transformer is configured to modify, based upon a feedback received from the peak voltage tracker, an amount of AC voltage delivered to the rectifier to keep an amount of DC voltage provided to the microcontroller and the one or more than one electronic circuits constant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A kitchen appliance, configured to wirelessly operate on an induction heating cooker with a power generated by an induction coil, the kitchen appliance comprising:
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a microcontroller, one or more than one electronic circuit that provides a communication and/or control means to be controlled by the microcontroller, a power control circuitry that supplies the microcontroller and the one or more than one electronic circuit with a DC voltage for operation of the microcontroller and the one or more than one other electronic circuits, a receiver coil positioned across from the induction coil that receives the power generated by the induction coil based on a power scale setting on the inducting heating cooker, and provides transfer of a power to the power control circuitry, a rectifier disposed in the power control circuitry that converts AC voltage delivered from the receiver coil to a DC voltage, a buffer capacitor which filters the DC voltage at an outlet of the rectifier, a peak voltage tracker that is disposed between the rectifier coil and the buffer capacitor, wherein the peak voltage tracker tracks peak values of the DC voltage at the outlet of the rectifier and feeds back to the microcontroller, and a transformer disposed between the receiver coil and the rectifier, the transformer providing the power control circuitry to supply the microcontroller and the electronic circuits with constant DC voltage by compensating the AC voltage at the outlet of the receiver coil, wherein the transformer includes a switch to adjust the AC voltage, and wherein the AC voltage is adjusted based upon a feedback from the peak voltage tracker to keep an amount of DC voltage constant.
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Specification