Wireless Kitchen Appliance Operated on Induction Heating Cooker

• US 20140332523A1
• Filed: 11/30/2012
• Published: 11/13/2014
• Est. Priority Date: 12/29/2011
• Status: Active Grant

• Current Assignee: Arcelik Anonim Sirketi
• Original Assignee: Arcelik Anonim Sirketi
• Inventors: Yaman, Onur, Yorukoglu, Ahmet, Hazir, Sefa
• Granted Patent: US 10,182,472 B2
• Time in Patent Office: Days
• US Class Current: 219/621
• CPC Class Codes: H05B 6/12 Cooking devices
• CPC Class Codes: H05B 6/1236 adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
• CPC Class Codes: Y02B 40/00 Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The present invention relates to a kitchen appliance (1) suitable for being wirelessly operated 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 rectifier (5) that converts the AC voltage to DC voltage and a buffer capacitor (6) which filters the DC voltage at the rectifier (5) outlet.

Claims

1. A kitchen appliance (1), suitable for being wirelessly operated on an induction heating cooker (K) with the power generated by the induction coil (B), comprising a microcontroller (2), one or more than one electronic circuit (3) that provides the communication and/or control means (E) to be controlled by the microcontroller (2), a power control circuitry (4) that supplies the microcontroller (2) and the electronic circuits (3) with low level DC voltage, a rectifier (5) that is disposed in the power control circuitry (4) and that converts the AC voltage to DC voltage and a buffer capacitor (6) which filters the DC voltage at the rectifier (5) outlet, characterized in that more than one receiver coil (7, 107) that partially collects and provides transfer of the power generated by the induction coil (B) to the power control circuitry (4) and a switching means (8) that is controlled by the microcontroller (2) and that provides the power control circuitry (4) to supply the microcontroller (2) and the electronic circuits (3) with constant and uninterrupted voltage by activating or deactivating one or more than one receiver coil (7, 107).

2. A kitchen appliance (1) as in claim 1, characterized in that the receiver coils (7, 107) that are separately positioned.

3. A kitchen appliance (1) as in claim 1, characterized in that the receiver coils (7, 107) that are positioned one within the other.

4. A kitchen appliance (1) as in claim 1, characterized in that the receiver coils (7, 107) that are positioned one above the other.

5. A kitchen appliance (1) as in claim 1, characterized in that the receiver coils (7, 107) connected in series.

6. A kitchen appliance (1) as in claim 1, characterized in that the receiver coils (7, 107) connected in parallel.

7. A kitchen appliance (1) as in claim 1, characterized in that the receiver coils (7, 107) that have different numbers of windings.

8. A kitchen appliance (1) as in claim 1, characterized in that a peak voltage tracker (9) disposed between the rectifier (5) and the buffer capacitor (6), that tracks the peak values of the voltage at the outlet of the rectifier (5) and feeds back to the microcontroller (2).

9. A kitchen appliance (1) as in claim 8, characterized in that the microcontroller (2) that provides the activation or deactivation of one or more than one receiver coil (7, 107) by actuating the switching means (8) depending on the feedback received from the peak voltage tracker (9).

10. A kitchen appliance (1) as in claim 1, characterized in that a transformer (10) and a resonant circuit (11) that are disposed between the receiver coils (7, 107) and the rectifier (5).

11. A ferromagnetic cooking container as claim 1, that is heated by the induction energy generated by the induction coil (B).

12. An active heating appliance as in claim 1, that having a resistant heater.

13. An electromechanical appliance as in claim 1, that is operated by an electric motor.

14. A coffee machine as in claim 1, wherein cooking control is provided by an infrared sensor.

15. A kitchen appliance (1) as in claim 1, characterized in that one or more high power receiver coil (12) that transfers power from the induction coil (B) for operating members (M) like the heater or motor.