INDUCTION COOKING DEVICE

Abstract

An induction cooking appliance apparatus includes an induction coil, and a coil carrier configured to hold the induction coil and including a heat dissipation unit for dissipating heat emitted by the induction coil.

Claims

1-13. (canceled)

14. An induction cooking appliance apparatus, comprising: an induction coil; and a coil carrier configured to hold the induction coil and including a heat dissipation unit for dissipating heat emitted by the induction coil.

15. The induction cooking appliance apparatus of claim 14, constructed in the form of an induction hob apparatus.

16. The induction cooking appliance apparatus of claim 14, wherein the coil carrier is embodied in one piece.

17. The induction cooking appliance apparatus of claim 14, wherein the heat dissipation unit includes a rib-shaped first heat dissipation element.

18. The induction cooking appliance apparatus of claim 17, wherein the heat dissipation unit includes a rib-shaped second heat dissipation element.

19. The induction cooking appliance apparatus of claim 18, wherein the first heat dissipation element is arranged at least substantially parallel to the second heat dissipation element.

20. The induction cooking appliance apparatus of claim 17, wherein the first heat dissipation element is oriented radially outward.

21. The induction cooking appliance apparatus of claim 17, wherein the coil carrier includes a recess for guiding away heated air in an outer end region of the first heat dissipation element.

22. The induction cooking appliance apparatus of claim 14, wherein the heat dissipation unit includes at least two heat dissipation sections arranged at a distance from one another.

23. The induction cooking appliance apparatus of claim 22, wherein the heat dissipation sections are arranged symmetrically to one another.

24. The induction cooking appliance apparatus of claim 14, wherein the heat dissipation unit includes a plastic material with a thermal conductivity of at least 0.2 W/(K m).

25. The induction cooking appliance apparatus of claim 14, wherein the heat dissipation unit is made of a plastic material with a thermal conductivity of at least 0.2 W/(K m).

26. The induction cooking appliance apparatus of claim 24, wherein the plastic material has a temperature resistance of at least 200° C.

27. The induction cooking appliance apparatus of claim 25, wherein the plastic material has a temperature resistance of at least 200° C.

28. The induction cooking appliance apparatus of claim 14, wherein the heat dissipation unit includes a coating to improve the thermal conductivity.

29. An induction cooking appliance, comprising an induction cooking appliance apparatus, said induction cooking appliance apparatus comprising an induction coil, and a coil carrier configured to hold the induction coil and including a heat dissipation unit for dissipating heat emitted by the induction coil.

30. The induction cooking appliance of claim 29, constructed in the form of an induction hob.

Description

[0025] In the drawing:

[0026] FIG. 1 shows an induction cooking appliance with an induction cooking appliance apparatus in a schematic view,

[0027] FIG. 2 shows a coil carrier of the induction cooking appliance apparatus in a schematic view,

[0028] FIG. 3 shows the coil carrier with an induction coil in a schematic view,

[0029] FIG. 4 shows the coil carrier with a heat dissipation unit in a schematic view, and

[0030] FIG. 5 shows the coil carrier with the heat dissipation unit and ferrites in a schematic view.

[0031] FIG. 1 shows an induction cooking appliance 30. The induction cooking appliance is embodied as an induction hob. The induction cooking appliance 30 has a hob plate 38. The induction cooking appliance 30 has a user interface 34. The user interface 34 is arranged on a side of the hob plate 38 facing toward a user. The user interface 34 is provided for the user to input operating settings and for information to be output to the user of the induction cooking appliance 30. The induction cooking appliance 30 has a control unit 36. The control unit 36 is provided to control at least one function of the induction cooking appliance 30. The control unit 36 is arranged below the hob plate 38 on a side facing away from the user.

[0032] The induction cooking appliance 30 has an induction cooking appliance apparatus 10. The induction cooking appliance apparatus 10 is embodied as an induction hob apparatus. The induction cooking appliance apparatus 10 comprises a coil carrier 12. The coil carrier 12 of the induction cooking appliance apparatus 10 is arranged on the side facing away from the user below the hob plate 38 of the induction cooking appliance 30.

[0033] FIG. 2 shows the coil carrier 12 of the induction cooking appliance apparatus 10 in a schematic view. The coil carrier 12 has a base carrier element 56. In FIG. 2, the coil carrier is represented in a view onto a top side 40 of the base carrier element 56. The coil carrier 12 is provided to hold an induction coil 14 of the induction cooking appliance 30. The coil carrier 12 has a coil receiving element 32. The coil receiving element 32 is provided to receive and position the induction coil 14 of the induction cooking appliance 30 (see FIG. 3). The coil receiving element 32 is arranged on the top side 40 of the base carrier element 56. The coil receiving element 32 is embodied as an elliptical projection about a center point 46 of the base carrier element 56 and extends substantially perpendicular to a main extension plane 58 of the coil carrier 12.

[0034] FIG. 3 shows the coil carrier 12 of the induction cooking appliance apparatus 10 with the induction coil 14 of the induction appliance 30. The induction coil 14 has several windings (not shown). The induction coil 14 is received by the coil receiving element 32 of the coil carrier 12. The windings of the induction coil 14 are wound in the shape of an ellipse about the coil receiving element 32. The coil receiving element 32 holds the windings of the induction coil 14 in position.

[0035] FIG. 4 shows the coil carrier 12 of the induction cooking appliance apparatus 10 in a view onto an underside 42 of the base carrier element 56. The coil carrier 12 has a heat dissipation unit 16. The heat dissipation unit 16 is provided for dissipating heat emitted by the induction coil 14 in an operating state of the induction cooking appliance 30.

[0036] The coil carrier 12 is embodied in one piece. The heat dissipation unit 16 of the coil carrier 12 has a plastic material with a thermal conductivity of at least 0.2 W/(K m). The heat dissipation unit 16 has a plastic material with a temperature resistance of at least 200 C. The heat dissipation unit 16 consists in particular of a thermoplastic material, namely polyphenylene sulfide (PPS) with a thermal conductivity of at least 0.25 W/(K m) and a temperature resistance of at least 250° C. The coil carrier 12 complete with the heat dissipation unit 16 is manufactured in particular from one piece from PPS in an injection molding process.

[0037] The heat dissipation unit 16 has a first heat dissipation element 18. The first heat dissipation element 18 is embodied to be rib-shaped. The first heat dissipation element 18 is oriented radially outward. The heat dissipation unit 16 has a second heat dissipation element 20. The second heat dissipation element 20 is embodied to be rib-shaped. The first heat dissipation element 18 is arranged at least substantially parallel to the second heat dissipation element 20.

[0038] The heat dissipation unit 16 has a coating 28 to improve the thermal conductivity. The coating 28 consists of an aluminum oxide with a thermal conductivity of at least 35 W/(K m). The coating 28 is applied to the heat dissipation unit 16 by means of a chemical vapor deposition process.

[0039] The coil carrier 12 has a margin 60. The margin 60 runs circumferentially along an outer edge 62 of the base carrier element 56 of the coil carrier 12. The margin 60 extends essentially perpendicular to a main extension plane 58 of the coil carrier 12. In an outer end region 22 of the first heat dissipation element 18 of the heat dissipation unit 16, the margin 60 of the coil carrier 12 has a recess 24. The recess 24 is provided for guiding away heated air.

[0040] The heat dissipation unit 16 embodies a heat dissipation section 26. The heat dissipation section 26 comprises the first heat dissipation element 18, the second heat dissipation element 20 and a third heat dissipation element 64. The heat dissipation unit 16 embodies a further heat dissipation section 44. The further heat dissipation section 44 comprises a further first heat dissipation element 66, a further second heat dissipation element 68 and a further third heat dissipation element 70. The further first heat dissipation element 66, the further second heat dissipation element 68 and the further third heat dissipation element 70 are embodied to be rib-shaped and are arranged substantially parallel to one another. The heat dissipation section 26 and the further heat dissipation section 44 are arranged at a distance from one another. The heat dissipation section 26 and the further heat dissipation section 44 are arranged symmetrically to one another.

[0041] FIG. 5 shows the coil carrier 12 with the heat dissipation unit 16. A ferrite 48 of the induction cooking appliance 30 is arranged next to the heat dissipation section 26 of the heat dissipation unit 16. A further ferrite 52 of the induction cooking appliance 30 is arranged next to the further heat dissipation section 44. In an operating state of the induction cooking appliance 30, the ferrites 48, 52 are provided to concentrate an electromagnetic field generated by the induction coil 14 and to at least substantially prevent a radiation of this electromagnetic field in the direction of the underside 42.

[0042] Only one of the objects present multiple times in the figures is provided with a reference character in each case.

REFERENCE CHARACTERS

[0043] 10 Induction cooking appliance apparatus [0044] 12 Coil carrier [0045] 14 Induction coil [0046] 16 Heat dissipation unit [0047] 18 First heat dissipation element [0048] 20 Second heat dissipation element [0049] 22 Outer end region [0050] 24 Recess [0051] 26 First heat dissipation section [0052] 28 Coating [0053] 30 Induction cooking appliance [0054] 32 Coil receiving element [0055] 34 User interface [0056] 36 Control unit [0057] 38 Hob plate [0058] 40 Top side [0059] 42 Underside [0060] 44 Further heat dissipation section [0061] 46 Center point [0062] 48 Ferrite [0063] 52 Further ferrite [0064] 56 Base carrier element [0065] 58 Main extension plane [0066] 60 Margin [0067] 62 Outer edge [0068] 64 Third heat dissipation element [0069] 66 Further first heat dissipation element [0070] 68 Further second heat dissipation element [0071] 70 Further third heat dissipation element