EP2498575A2 - Champ de cuisson doté d'un dispositif de refroidissement - Google Patents

Champ de cuisson doté d'un dispositif de refroidissement Download PDF

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Publication number
EP2498575A2
EP2498575A2 EP12156335A EP12156335A EP2498575A2 EP 2498575 A2 EP2498575 A2 EP 2498575A2 EP 12156335 A EP12156335 A EP 12156335A EP 12156335 A EP12156335 A EP 12156335A EP 2498575 A2 EP2498575 A2 EP 2498575A2
Authority
EP
European Patent Office
Prior art keywords
hob
cooling air
flow
cooling
flow channel
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
EP12156335A
Other languages
German (de)
English (en)
Other versions
EP2498575A3 (fr
EP2498575B1 (fr
Inventor
Daniel Anton Falcon
Alfonso Lorente Perez
David Ortiz Sainz
Carmelo Pina Gadea
Eva Maria Sanchez Garcia
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
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL12156335T priority Critical patent/PL2498575T3/pl
Publication of EP2498575A2 publication Critical patent/EP2498575A2/fr
Publication of EP2498575A3 publication Critical patent/EP2498575A3/fr
Application granted granted Critical
Publication of EP2498575B1 publication Critical patent/EP2498575B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • 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
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/02—Induction heating
    • H05B2206/022—Special supports for the induction coils

Definitions

  • the invention relates to a hob with a cooling device, which has a cooling air duct for cooling electronic components of the hob.
  • Cooktops in particular induction cooktops, have a multiplicity of electronic components which are provided for the operation, in particular for the power supply of inductors of the induction cooktop. These electronic components can heat up relatively high during operation and must therefore be sufficiently cooled.
  • Fig. 1 is a schematic sectional view of a baking oven 1 shown, which is arranged in a niche 2 of a built-in furniture 3.
  • a recess 5 is formed, in which a in Fig. 1 Not shown hob is arranged.
  • the rear side 7 of the oven 1 is arranged at a distance from the front side 8 of the built-in furniture 3.
  • a gap 9 is formed, through which the cooling air 10 indicated by arrows can flow. This is sucked in, for example, by near-ground openings and then transported according to the arrow direction shown up and passed between the oven 1 and the hob, not shown, in which case the cooling air is passed into the hob.
  • Fig. 2 shown.
  • the hob 11 is positioned in the recess 5.
  • the cooling air flow 10 is directed into the induction hob 11 and in view of the depth of the hob 11, which extends in the x direction, the cooling air flow 10 is passed over the entire length to a front end 12 of the induction hob 10 and discharged from there again.
  • the problem that the removal of the heated cooling air 13 is disadvantageous in that the leaked heated cooling air 13 is not led away from the induction hob 11, but at least in part again on the Inlet opening at which the cooling air 10 enters, is again miteingesaugt.
  • the cooling effect by the cooling air flow 10 is thereby significantly limited.
  • An inventive cooktop comprises a cooling air device, which has a cooling air duct for cooling electronic components of the cooktop.
  • the cooling air duct is arranged so that a cooling air flow is directed only in the area of a rear zone half of the hob. So no cooling air duct is more constructed, in which the cooling air flow as shown in FIG Fig. 2 from behind to far or completely forward, but this cooling air circulation is designed by the cooling air guide so that it takes place only in a rear area of the hob.
  • the cooling air guide is formed so that the cooling air flow is inflatable via a first flow opening formed in the bottom of the hob.
  • a first flow well is formed below the first flow opening, which is arranged so that the incoming cooling air is blown through the first flow opening.
  • the cooling air duct is designed such that the cooling air flow can be blown out via a second flow opening formed in the bottom of the hob.
  • a second flow well is formed below the second flow opening, which is arranged so that the blown heated cooling air is discharged to the rear.
  • the two flow openings are formed in a rear zone half of the hob.
  • the entire cooling air circulation thus takes place exclusively in a rear region of the hob and in particular so that the cooling air flow is conducted in quasi-two directions of the hob, so that in a particularly advantageous manner, the re-sucking the heated cooling air, which has already leaked out of the hob prevented can be.
  • both directions of the hob extending flow channel component or a flow channel section is formed between the two flow openings. This is as well as the flow openings assigned to the cooling air duct. Due to this specific orientation and positioning of the flow channel component, the abovementioned advantages are still favored.
  • this flow channel component is arranged horizontally oriented in both directions of the hob.
  • the flow channel component is formed integrally with a carrier plate for an electronic component module.
  • This support plate is preferably made of plastic and can be produced in a simple manner as an injection molded part.
  • the flow channel component is partially formed laterally and open at the top, whereby a receiving shaft for the electronic component module is formed.
  • the electronic component module can be mechanically stably positioned and a particularly space-minimized design can be achieved. In particular, this allows the electronic component module to flow around in a particularly efficient manner with the cooling air flowing in the flow channel part.
  • the electronic components are mounted on this component module and in particular arranged outside the flow channel.
  • the electronic component module is preferably a heat sink, which also has cooling fins extending in the flow channel part, when the electronic component module is arranged in the receiving shaft in its end position.
  • the hob is designed as an induction hob.
  • the invention is particularly advantageous because due to the existing power electronics for operating the inductors, a special cooling effect is required to protect the electronics and the inductors from overheating.
  • FIG. 3 is an induction hob 1 'shown in a plan view, wherein the formed of, for example, glass ceramic hob plate is removed.
  • the induction hob 1 ' comprises a trough-like housing 14 on which a bottom plate 15 is mounted.
  • a plastic formed carrier plate 16 is mounted, which is designed for receiving and supporting a circuit carrier, not shown.
  • the circuit carrier has a plurality of electronic components, which are provided in particular for operating not shown inductors of the induction hob 1 '. These electronic components are power electronics components that are provided for the electronic power supply of the inductors.
  • the induction hob 1 ' comprises a cooling air device 17.
  • the cooling air device 17 has a cooling air guide 18 formed with representational components, this cooling air guide 18 comprising a first flow opening 19 formed in the bottom plate 15. It can be seen that the entire cooling air device 17 is arranged in a rear half I of the entire dimensioning of the induction hob 1 '. This concerns the zone half with respect to the x-z plane and thus the figure plane.
  • the cooling air duct 18 further includes an in Fig. 1 concealed second flow opening 20, which is also formed in the bottom plate 15.
  • the two flow openings 19 and 20 viewed in the x-direction of the bottom plate 15 are approximately at the same level and viewed in the z-direction spaced from each other and arranged substantially in the two outer zone thirds in the width direction and thus in z-direction.
  • the cooling air guide 18 further comprises a flow channel with a flow channel section, hereinafter referred to as flow channel part 21, which is formed integrally with the support plate 16.
  • This flow channel part 21 extends in the exemplary embodiment completely horizontally in the z direction. It's at one Long side 22 and formed open on the top, whereby a receiving shaft 23 is generated. In this then a not shown electronic component module can be used.
  • the flow channel part 21 comprises a rear wall 24, an inlet region 25 and an outlet region 26.
  • the cooling air flow or the cooling air 10 is conveyed by a blower, not shown, between the built-in furniture 3 and the back of the induction hob 1 'in the direction of the first flow opening 19 and blown from there into the induction hob 1'.
  • the flow opening 19 is covered at the top by a channel-like cover in plan view, which is also arranged so that the cooling air 10 is passed through the flow opening 19 and the channel-like cover directly to the inlet region 25.
  • the cooling air 10 then flows via the inlet region 25 into the flow channel in accordance with the flow channel part 21, where it then flows along and cools cooling fins of the electronic component module (not shown).
  • the cooling air which is heated in this process is then blown down out of the induction hob 1 'via the outlet 26 and the second flow opening 20 formed in the bottom plate 15 and blown out in the direction of the wall 8 of the built-in furniture 3 according to the arrow illustration of the heated cooling air 13 ,
  • the entire cooling air flow is thus directed to circulate only in a rear portion of the induction hob 1 'therein, and moreover the inlets and outlets in the form of the flow openings 18 and 20 are also in the rear zone region of the induction hob 1' so far apart that the exiting heated cooling air 13 is no longer blown over the first flow opening 19 and sucked.
  • an only schematically indicated flow well 28 is arranged on an outer side 27 of the bottom plate 15. This is designed so that it is designed to be open only towards the wall 8 and towards the flow opening 18, and thus the cooling air 10 can only enter via this direction.
  • a further flow well 29 is arranged directly below the second flow opening 20, which also also has only an opening to the wall 8 and the flow opening 20 out.
  • a further flow well 29 thus a very targeted blowing out of the heated cooling air 13 is achieved. This then takes place to the effect that after the heated cooling air 13 exits directly downwards over the second flow opening 20 and is then redirected through the flow shaft 29 in the plane of the figure to the rear in the direction of the wall 8.
  • the flow wells 28 and 29 may also be integrally formed with the bottom plate 15. They can also be designed extremely flat, so that no further space down is required.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Baking, Grill, Roasting (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Electric Ovens (AREA)
  • Motor Or Generator Cooling System (AREA)
EP12156335.7A 2011-03-10 2012-02-21 Champ de cuisson doté d'un dispositif de refroidissement Active EP2498575B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12156335T PL2498575T3 (pl) 2011-03-10 2012-02-21 Płyta grzejna z urządzeniem chłodzącym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201130328A ES2400431B1 (es) 2011-03-10 2011-03-10 Aparato de placa de cocción con un dispositivo de enfriamiento.

Publications (3)

Publication Number Publication Date
EP2498575A2 true EP2498575A2 (fr) 2012-09-12
EP2498575A3 EP2498575A3 (fr) 2013-02-27
EP2498575B1 EP2498575B1 (fr) 2017-11-01

Family

ID=45656285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12156335.7A Active EP2498575B1 (fr) 2011-03-10 2012-02-21 Champ de cuisson doté d'un dispositif de refroidissement

Country Status (3)

Country Link
EP (1) EP2498575B1 (fr)
ES (2) ES2400431B1 (fr)
PL (1) PL2498575T3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19935835C5 (de) * 1999-07-29 2006-06-29 BSH Bosch und Siemens Hausgeräte GmbH Induktionskochfeld mit Kühlgebläse
JP2004111087A (ja) * 2002-09-13 2004-04-08 Matsushita Electric Ind Co Ltd 誘導加熱調理器
US8993941B2 (en) * 2009-07-03 2015-03-31 Panasonic Intellectual Property Management Co., Ltd. Induction heating device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
EP2498575A3 (fr) 2013-02-27
PL2498575T3 (pl) 2018-03-30
ES2400431R1 (es) 2013-05-13
ES2400431A2 (es) 2013-04-09
ES2647615T3 (es) 2017-12-22
EP2498575B1 (fr) 2017-11-01
ES2400431B1 (es) 2014-03-11

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