EP2292979A1 - Dispositif de refroidissement pour un appareil ménager et appareil ménager, notamment champ de cuisson à induction, doté d'un dispositif de refroidissement - Google Patents

Dispositif de refroidissement pour un appareil ménager et appareil ménager, notamment champ de cuisson à induction, doté d'un dispositif de refroidissement Download PDF

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Publication number
EP2292979A1
EP2292979A1 EP20100173830 EP10173830A EP2292979A1 EP 2292979 A1 EP2292979 A1 EP 2292979A1 EP 20100173830 EP20100173830 EP 20100173830 EP 10173830 A EP10173830 A EP 10173830A EP 2292979 A1 EP2292979 A1 EP 2292979A1
Authority
EP
European Patent Office
Prior art keywords
channel
cooling device
cooling
heat sink
longitudinal side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20100173830
Other languages
German (de)
English (en)
Other versions
EP2292979B1 (fr
Inventor
Adolfo Arnal Valero
Alberto Ballester Herrero
Maria Elena Moya Albertin
María Valencia Betran
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ES200930910A external-priority patent/ES2391739A1/es
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to EP10173830.0A priority Critical patent/EP2292979B1/fr
Publication of EP2292979A1 publication Critical patent/EP2292979A1/fr
Application granted granted Critical
Publication of EP2292979B1 publication Critical patent/EP2292979B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/101—Tops, e.g. hot plates; Rings provisions for circulation of air
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1263—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements using coil cooling arrangements

Definitions

  • the invention relates to a cooling device for a domestic appliance, which has a channel for guiding the cooling air. Moreover, the invention also relates to a domestic appliance, in particular a hob, particularly preferably an induction hob, which has a cooling device.
  • Induction hobs have to a carrier, on which the inductor is arranged.
  • the inductor in the form of a coil can, for example, be spirally wound and arranged in a holder made of plastic, wherein the holder is arranged on the carrier.
  • a cooling device is provided for cooling this inductor.
  • conventional cooling devices are limited in terms of their cooling options.
  • an additional cooling device is provided or the cooling with that cooling device, which is also provided for cooling the inductor is only very limited possible.
  • by the direct flow of the electronics through the cooling air these are also exposed to undesirable impurities in the form of dust particles or the like, which is located in the cooling air.
  • a domestic appliance cooling device comprises a duct for guiding cooling air.
  • the channel is formed open on one longitudinal side and on this open longitudinal side, a cooling body is arranged, which is designed for heat dissipation of electronic components and which closes the longitudinal side of the channel.
  • the heat sink thus at the same time also forms a closing device of this open longitudinal side of the channel.
  • the channel is rectilinear and in cross-section U-shaped.
  • Such a shape is particularly advantageous because the basic construction of the channel can be made stable and closed except for the already desired open longitudinal side over the entire length. The flow guidance can be optimized thereby.
  • the channel surrounds a first part of the heat sink which extends into the channel and is provided with cooling ribs, and the first part bears against an inner wall of the open longitudinal side of the opposite side part.
  • the heat sink is therefore designed and locally positioned so that it is positioned in the flow of cooling air, so that a particularly effective heat dissipation is possible.
  • it can be virtually arranged space-minimized and protected within the channel and positioned by the shape of the channel, in particular the U-shape inside.
  • a mechanically stable design of the cooling device can be created by the mechanical contacting of this first part with the inner wall of the channel closing side part. Not least, this also ensures a position-stable attachment of the channel relative to the heat sink, so that undesirable relative movements can be avoided in this context.
  • the heat sink extends over the entire open longitudinal side of the channel. This is a particularly advantageous embodiment, since thus over the entire
  • the heat sink is an elongated rail, which is connected to an upper part and a lower part of the channel, in particular at the exposed edges of the upper part and the lower part is connected thereto. Also by this positioning and attachment a stable attachment of the components can be ensured together and the cooling effect can be increased.
  • the heat sink preferably extends with a first part formed with ribs into the channel, in particular over the entire width of the channel, and the second part of the heat sink located outside the channel is tapered from the end arranged at the channel to the end facing away from the channel.
  • the second part of the heat sink has an inclined receiving surface on which electronic components are arranged. Due to the shape of the second part and in particular the bevel surface maximization is achieved, which is able to accommodate a particularly large number of electronic components. Furthermore, here again results in the advantage of space minimization.
  • the heat sink abuts with an upper edge of a second part on an inner wall of an upper part of the channel, and a lower edge of the second part of the heat sink is abutted against a front edge of the lower part of the channel.
  • This mechanical contact is particularly advantageous in that the positionally stable fixation of the heat sink relative to the channel can be ensured in several spatial directions. In particular, in the spatial directions perpendicular to the longitudinal axis of the channel thus positionally stable attachment can be achieved.
  • At least one protrusion is formed on an inner wall of an upper part of the channel and on an inner wall of a lower part of the channel, which extend in a space between a second part of the heat sink and spaced therefrom arranged ribs of a first part of the heat sink.
  • the heat sink is non-destructively releasably connected to the channel.
  • a separation of these parts can be made, whereby also the accessibility to specific zones of the channel and / or the heat sink is improved.
  • this can be done by mounting and dismounting multiple times through this non-destructive detachable arrangement.
  • the heat sink is integrally formed and formed of a thermally conductive material, in particular of metal.
  • the channel is integrally formed, in particular made of plastic.
  • the releasable connection of the heat sink to the channel can also be formed, for example, by a latching mechanism or a clipping or the like.
  • the channel preferably has a receiving flange at a first end, which in particular constitutes a circumferential receiving flange which widens away from the channel.
  • a blower with a housing attachable.
  • the receiving flange is formed so that it limits the open longitudinal side viewed in the longitudinal direction of the channel.
  • the receiving flange in the assembled state of the channel with the heat sink also forms a stop for the heat sink in the longitudinal direction of the channel, wherein in this context and thus also in the third spatial direction, a position fixation is ensured.
  • the channel at a second end which is opposite to the first end, on an air deflection, which has an inclined baffle and which is open to the inside.
  • this Gutumlenkelement is preferably designed so that it limits the open longitudinal side of the channel at this second end and is in particular designed so that it also considered the stop for the heat sink in the longitudinal direction of the channel represents. For this purpose, a further position fixation to avoid a relative movement of the heat sink and the channel is given in the longitudinal direction of the channel.
  • the invention relates to a domestic appliance, in particular a hob, and particularly advantageously an induction hob, which has a cooling device according to the invention or an advantageous embodiment thereof.
  • the cooling device is arranged on an underside of a support for a heating device of the hob, in particular an inductor, and designed for cooling the heating device.
  • the carrier has through holes, for example slots, through which the cooling air generated by the fan and guided by the cooling device can be conducted, and in particular can also be conducted through the inductor.
  • the cooling device can be arranged by screw or by locking elements or the like on the underside of the carrier.
  • reinforcement struts are mounted on the outside of the channel, so that the torsional stiffness of the channel is improved.
  • the cooling fins of the stiffening struts also serve as a support of the cooling device on the underside of the carrier, so that the channel is positioned at a distance to the underside of the carrier.
  • the height of the stiffening strut is between 6 mm and 10 mm, so that the first part of the heat sink located in the channel is preferably located about 8 mm away from the underside of the carrier.
  • Fig. 1 is a schematic perspective view of a channel 1 of a cooling device 2 ( Fig. 2 ).
  • the channel 1 is designed and arranged for guiding cooling air for cooling inductors of an induction hob.
  • the channel 1 is integrally formed and made of plastic.
  • the channel 1 is also formed in a straight line and has an upper part 3, a lower part 4 and a side part 5 in the embodiment.
  • the lateral part 5 opposite longitudinal side 6 is formed open in contrast.
  • the channel 1 thus has a U-shape in cross section, which is laid laterally.
  • the lower part 4 and the side part 5 circumferential reinforcing struts 7, 8, 9 and 10 and 11 are formed. These serve to stiffen the channel 1 and beyond as supporting supports for mounting on a support 12 (FIG. Fig. 4 ) of the induction hob.
  • the channel 1 has a first end 13, on which a frame-like, completely circumferential flange 14 is integrally formed.
  • the receiving flange 14 is formed widened from the end 13 to the front edge facing away from the end 13.
  • the receiving flange 14 is for receiving a housing of a blower 15 (FIG. Fig. 2 ) educated.
  • a side wall 16 is formed so that it viewed in the direction of the axis A as a stop for a heat sink 17 (FIG. Fig. 2 ) serves.
  • the channel 1 comprises, at an opposite second end 18, an air deflection element 19, which has an inclined deflection wall 20.
  • the deflecting element 19 is designed to be open on its underside 21, so that the gaseous medium flowing through the channel 1 reaches the deflecting wall 20 and from there exits via the opening of the deflecting element 19 to the outside.
  • the deflecting element 19 furthermore has a side wall 22 which, like the side wall 16 of the receiving flange 14, delimits the longitudinal side 6 to the front and to the rear.
  • the side wall 22 also serves as a stop for the heat sink 17, so that it can be fixed positionally stable in the direction of the longitudinal axis A.
  • Fig. 2 is shown in a plan view of the cooling device 2, to which the heat sink 17 is connected to the channel 1.
  • the heat sink 17 is designed so that it is designed to receive electronic components 23, 24, 25, 26, 27 and 28.
  • the heat generated by the electronic components 23 to 28 during operation is dissipated via the heat sink 17.
  • the heat sink 17 is elongated and arranged on the channel 1, that the open longitudinal side 6 is closed by this heat sink 17.
  • the heat sink 17 comprises a first part which extends into the channel 1, the first part 29 (FIG. Fig. 3 ) is formed with a plurality of in the direction of the longitudinal axis A and spaced from each other arranged cooling fins.
  • the cooling fins extend both upwards and downwards.
  • the heat sink 17 comprises a second part 30, which extends outside the channel 1, wherein this tapers away from the channel 1. That is, the second part 30 has an inclined one Surface 31, on which the electronic components 23 to 28 are mounted.
  • the heat sink 17 is integrally formed and designed in particular of metal.
  • the heat sink 17 is also releasably connected to the channel 1.
  • the first part 29 extends over the entire width of the channel in the interior of this channel 1. This is in Fig. 1 as in Fig. 5 shown.
  • the heat sink 17 is designed in terms of its height at the junction with the channel 1 in the region of the open longitudinal side 6 so that it is contacted with the upper part 3 and the lower part 4.
  • the channel 1 thus engages in the assembled state, the first part 29 of the heat sink 17.
  • the heat sink 17 is also elongated and extends over the entire open longitudinal side. 6
  • Fig. 3 is a perspective view from below of the cooling device 2 is shown.
  • FIG. 4 is a bottom view of the carrier 12 is shown, wherein the cooling device 2 is shown in the not yet mounted state on the support 12.
  • the carrier 12 has slots 32 through which the cooling air flow generated by the fan 15 is transported to the opposite side of the carrier 12 and there, the inductors are cooled. In addition, it is achieved with the cooling air flow that the waste heat generated by the electronic components 23 to 28 is dissipated. Due to the specific positioning and arrangement of the heat sink 17 and its configuration, the cooling air flow flows over the entire length of the heat sink 17, whereby the cooling effect and the heat dissipation is particularly advantageous.
  • a holding element made of plastic is arranged, which is designed to receive the preferably spirally wound inductor coil.
  • Fig. 5 is shown in a schematic sectional view of the induction hob 33.
  • the cooling device 2 is shown in the assembled state.
  • the channel 1 completely accommodates the first part 29 with its cooling ribs.
  • This first part 29 extends over the entire width (viewed in the x direction) of the channel 1 and abuts against an inner wall 34 of the side part 5.
  • elevations 37 and 38 are formed on an inner wall 35 of the upper part 3 and on an inner wall 36 of the lower part 4 of the channel 1. These extend into intermediate spaces 39 and 40.
  • the intermediate spaces 39 and 40 are arranged between the second part 30 and the first cooling fins 41 and 42 spaced therefrom.
  • the positionally stable arrangement of the heat sink 17 can be ensured to the channel 1, so that an undesirable relative movement in the x-direction and y-direction between the channel 1 and the heat sink 17 can be avoided.
  • This is further facilitated by the fact that an upper edge 43 of the second part 30 abuts against the inner wall 35 and a stop in the y-direction is formed.
  • a lower edge 44 of the second part 30 abuts against a front edge 45 of the lower part 4, so that this front edge 45 serves as a quasi stop in the x-direction for the second part 17.
  • the height of the stiffening element 8 is dimensioned so that the first part 29 of the heat sink 17 is spaced about 8 mm from the underside of the carrier 12.
  • a circuit carrier 46 is formed, which receives the electronic components 23 to 28, wherein moreover further electronic components are arranged thereon.
  • the circuit carrier 46 is arranged with its underside about 6.5 mm from the underside of the carrier 12 spaced.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
EP10173830.0A 2009-09-03 2010-08-24 Dispositif de refroidissement pour un champ de cuisson à induction Active EP2292979B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10173830.0A EP2292979B1 (fr) 2009-09-03 2010-08-24 Dispositif de refroidissement pour un champ de cuisson à induction

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09382164 2009-09-03
ES200930910A ES2391739A1 (es) 2009-09-03 2009-10-27 Dispositivo de enfriamiento para un aparato doméstico, y aparato doméstico, en especial, campo de cocción por inducción, con un dispositivo de enfriamiento.
EP10173830.0A EP2292979B1 (fr) 2009-09-03 2010-08-24 Dispositif de refroidissement pour un champ de cuisson à induction

Publications (2)

Publication Number Publication Date
EP2292979A1 true EP2292979A1 (fr) 2011-03-09
EP2292979B1 EP2292979B1 (fr) 2016-10-12

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2506671A3 (fr) * 2011-03-29 2013-02-13 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de commutation
EP2498574A3 (fr) * 2011-03-10 2013-02-27 BSH Bosch und Siemens Hausgeräte GmbH Plaque de support pour un porte-circuit d'un appareil ménager, agencement doté d'une telle plaque de support ainsi que champ de cuisson doté d'un agencement
EP2679913A3 (fr) * 2012-06-28 2014-10-15 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil ménager
EP3421892A3 (fr) * 2017-06-29 2019-04-10 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif de ventilation pour un appareil électrique et appareil électrique doté d'un tel dispositif de ventilation
US11483904B2 (en) * 2015-04-28 2022-10-25 Whirlpool Corporation Cooling system for an induction hob
EP4096354A1 (fr) * 2021-05-28 2022-11-30 LG Electronics Inc. Appareil domestique et dissipateur de chaleur installé dans celui-ci
EP4096356A1 (fr) * 2021-05-28 2022-11-30 LG Electronics Inc. Cuisinière électrique
WO2024056394A1 (fr) * 2022-09-13 2024-03-21 BSH Hausgeräte GmbH Dispositif d'appareil électroménager
EP3806582B1 (fr) * 2019-10-09 2024-07-03 BSH Hausgeräte GmbH Dispositif formant appareil électroménager

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220381441A1 (en) * 2021-05-28 2022-12-01 Lg Electronics Inc. Electric range

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105489A (ja) * 1987-10-16 1989-04-21 Matsushita Electric Ind Co Ltd 誘導加熱調理器
EP0561219A1 (fr) * 1992-03-14 1993-09-22 E.G.O. Elektro-Geräte Blanc und Fischer GmbH & Co. KG Places de cuisson à chauffage inductif
DE19935835A1 (de) * 1999-07-29 2001-02-15 Bsh Bosch Siemens Hausgeraete Induktionskochfeld mit Kühlgebläse
EP1445544A1 (fr) * 2003-02-08 2004-08-11 Electrolux Home Products Corporation N.V. Plaque de cuisson en particulier à induction
DE102005005527A1 (de) * 2005-01-31 2006-08-03 E.G.O. Elektro-Gerätebau GmbH Induktionsheizeinrichtung und Kochfeldmulde mit einer solchen Induktionsheizeinrichtung
WO2008064993A1 (fr) * 2006-11-28 2008-06-05 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de chauffage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004040557A1 (de) * 2004-08-16 2006-02-23 Kern, Dietmar, Dr.-Ing. Elektronikkühlkörper
KR101291428B1 (ko) * 2006-12-14 2013-07-30 엘지전자 주식회사 조리기기

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105489A (ja) * 1987-10-16 1989-04-21 Matsushita Electric Ind Co Ltd 誘導加熱調理器
EP0561219A1 (fr) * 1992-03-14 1993-09-22 E.G.O. Elektro-Geräte Blanc und Fischer GmbH & Co. KG Places de cuisson à chauffage inductif
DE19935835A1 (de) * 1999-07-29 2001-02-15 Bsh Bosch Siemens Hausgeraete Induktionskochfeld mit Kühlgebläse
EP1445544A1 (fr) * 2003-02-08 2004-08-11 Electrolux Home Products Corporation N.V. Plaque de cuisson en particulier à induction
DE102005005527A1 (de) * 2005-01-31 2006-08-03 E.G.O. Elektro-Gerätebau GmbH Induktionsheizeinrichtung und Kochfeldmulde mit einer solchen Induktionsheizeinrichtung
WO2008064993A1 (fr) * 2006-11-28 2008-06-05 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de chauffage

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2498574A3 (fr) * 2011-03-10 2013-02-27 BSH Bosch und Siemens Hausgeräte GmbH Plaque de support pour un porte-circuit d'un appareil ménager, agencement doté d'une telle plaque de support ainsi que champ de cuisson doté d'un agencement
ES2412104A1 (es) * 2011-03-10 2013-07-10 BSH Electrodomésticos España S.A. Placa de soporte para un soporte de circuito de un aparato doméstico, disposición con una placa de soporte de tal tipo, y campo de cocción por inducción con una disposición
EP2506671A3 (fr) * 2011-03-29 2013-02-13 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de commutation
EP2679913A3 (fr) * 2012-06-28 2014-10-15 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil ménager
US11483904B2 (en) * 2015-04-28 2022-10-25 Whirlpool Corporation Cooling system for an induction hob
EP3421892A3 (fr) * 2017-06-29 2019-04-10 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif de ventilation pour un appareil électrique et appareil électrique doté d'un tel dispositif de ventilation
EP3812658A1 (fr) 2017-06-29 2021-04-28 E.G.O. Elektro-Gerätebau GmbH Dispositif de ventilation pour un appareil électrique et appareil électrique doté d'un tel dispositif de ventilation
EP3806582B1 (fr) * 2019-10-09 2024-07-03 BSH Hausgeräte GmbH Dispositif formant appareil électroménager
EP4096354A1 (fr) * 2021-05-28 2022-11-30 LG Electronics Inc. Appareil domestique et dissipateur de chaleur installé dans celui-ci
EP4096356A1 (fr) * 2021-05-28 2022-11-30 LG Electronics Inc. Cuisinière électrique
WO2024056394A1 (fr) * 2022-09-13 2024-03-21 BSH Hausgeräte GmbH Dispositif d'appareil électroménager

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