EP2877785B1 - A cooking device comprising a cooling fan - Google Patents

A cooking device comprising a cooling fan Download PDF

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Publication number
EP2877785B1
EP2877785B1 EP13727620.0A EP13727620A EP2877785B1 EP 2877785 B1 EP2877785 B1 EP 2877785B1 EP 13727620 A EP13727620 A EP 13727620A EP 2877785 B1 EP2877785 B1 EP 2877785B1
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EP
European Patent Office
Prior art keywords
control card
fan
cooking device
cooktop
oven
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.)
Active
Application number
EP13727620.0A
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German (de)
French (fr)
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EP2877785A1 (en
Inventor
Hakan TEKIN
Serdar Turkoz
Turgut YERLIKAYA
Fatih Ceylan
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.)
Arcelik AS
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Arcelik AS
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Publication of EP2877785A1 publication Critical patent/EP2877785A1/en
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Publication of EP2877785B1 publication Critical patent/EP2877785B1/en
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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
    • F24C15/00—Details
    • F24C15/006—Arrangements for circulation of cooling air

Definitions

  • the present invention relates to a cooking device wherein the electronic control card thereof is provided to be cooled by means of a fan.
  • the electronic control cards that are used in cooking devices and of critical importance in terms of safety and functionality must be protected against high temperatures.
  • the control cards are generally cooled by means of a fan.
  • the control card In the cooking devices, especially in the ovens, the control card is generally placed behind the front panel. By sucking air by means of a fan from the gap behind the front panel, wherein the control card is situated, the control card is cooled.
  • the vicinity of the front panel heats up excessively due to various causes. For example, when grilling function is performed by keeping the oven door open, the hot air rising from the oven cavity affects the front panel.
  • the resistance inlets of the electric heaters in the oven are generally situated at the rear side of the oven, the temperature of these regions are lower and the temperature of the heaters increases towards the front.
  • burners having a large diameter and generating much heat are generally located at the front of the cooktop, close to the control panel.
  • heat produced by electronic elements in the control card while operating adds up to the heat produced at the oven and cooktop parts of the cooking device and it becomes difficult to cool the control card placed behind the front panel.
  • pyrolytic ovens with self-cleaning function wherein very high temperatures such as 500 °C are applied, the control card cannot be sufficiently cooled and may be damaged.
  • an oven wherein the air sucked from the space in which the electronic control card situated behind the front panel by means of a fan is discharged through the outlet opening that opens to the outside environment.
  • the fan disclosed in the above-mentioned patent applications is used for discharging the humid air in the oven cavity and provides the indirect cooling of the control card.
  • Document JP2012104261 discloses an induction heating cooker wherein a fan is disposed between a cooktop and a cooking chamber. The fan is attached to a side wall of the cooker and connected to an opening in the top of the cooker.
  • Document JP2007294474 discloses an induction heating cooker in which a fan is disposed close to one rear corner below a cooktop and connected via a channel that runs diagonally to the opposite corner to electronic components.
  • the aim of the present invention is the realization of a cooking device wherein the control card thereof is efficiently cooled and protected against high temperatures.
  • the cooking device realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof comprises a cooktop, an oven underlying the cooktop, a compartment located under the cooktop and behind the front panel, a control card providing the electronic control and a fan cooling the control card, and the control card is moved away from the front panel to be mounted to the body side wall and the air sucked from the outside environment by means of a fan located on the rear wall is sent directly onto the control card through an air duct extending between the fan and the control card in the compartment, thus the control card is efficiently cooled.
  • control card and the fan are placed in the body on the side wall close to the corner of the rear wall, and it is provided that the length of the air duct extending diagonally between the fan and the control card is at a minimum value and that the air sucked from the outside reach the control card before getting warm.
  • a hanger bracket is mounted to the side wall of the cooking device body and the control card is mounted to the hanger bracket.
  • a lower plate formed by bending the bottom side of the hanger bracket carries the control card and decreases the effect of the heat rising from the oven on the control card.
  • a horizontal upper plate mounted to the top side of the control card decreases the effect of the heat in the cooktop on the control card.
  • the hanger bracket carrying the control card, the lower plate and the upper plate fixed to the control card are produced from metal material, and serve as a heat sink for the control card.
  • control card is protected against high heat dissipated from the cooktop at the top and the oven at the bottom, efficiently cooled by means of the fan and the air duct, and the lifespan of the electronic elements on the control card is prolonged.
  • the cooking device (1) comprises a body (2), a cooktop (3) located at the top side thereof, having gas burners and/or electric heaters thereon, an oven (4) underlying the cooktop (3), a front panel (5) situated at the front of the body (2) and having buttons and displays thereon, a compartment (6) situated between the cooktop (3) and the oven (4), a control card (7) having electronic elements thereon, that provide the controlling of the oven (4) and the cooktop (3), and a fan (8) providing the cooling of the control card (7).
  • the cooking device (1) of the present invention comprises
  • the control card (7) is placed onto the side wall of the body (2), hence moved away from the front panel (5) and operates in an environment with a relatively lower temperature than that of the front panel (5).
  • the control card (7) is protected against high temperatures affecting the front panel (5) and heat rising from the oven (4) towards the front panel (5), for example when the oven (4) door is opened at the end of the cooking process or when grilling function is performed with the oven (4) door being kept open.
  • the air duct (9) that guides the air sucked from the outer environment by the fan (8) directly onto the control card (7) without circulating it in the compartment (6), provides the efficient cooling of the control card (7).
  • control card (7) and the fan (8) are placed close to the corner where the side wall and the rear wall of the body (2) join, and the air duct (9) extends diagonally in the compartment (6), between the fan (8) and the control card (7) ( Figure 3 , Figure 5 ).
  • the fan (8) and the control card (7) are placed in the compartment (6) so as to face each other and at a position closest to each other, thus the length of the air duct (9) in the compartment (6) is minimized.
  • the air sucked from the outer environment by the fan (8) passes through the air duct (9) with the minimum length in the compartment (6) without getting warm to reach directly the control card (7).
  • the cooking device (1) comprises a hanger bracket (10) mounted to the inner surface of the body (2) side wall, whereon the control card (7) is mounted, providing the control card (7) to be placed to the body (2) side wall by being hung and to be easily mounted/dismounted ( Figure 4 , Figure 5 ).
  • the cooking device (1) comprises a lower plate (11) that is formed by bending the bottom side of the hanger bracket (10) in form of an L, that extends horizontally between the control card (7) and the oven (4) towards the inside of the compartment (6), that carries the control card (7) and that reduces the effect of the high heat rising from the oven (4) to the control card (7) by creating a barrier between the control card (7) and the oven (4).
  • the cooking device (1) comprises an upper plate (12) that is mounted to the top side of the control card (7), that extends horizontally between the cooktop (3) and the control card (7) towards the inside of the compartment (6) and that reduces the effect of the high heat dissipating from the cooktop (3) to the control card (7) by creating a barrier between the control card (7) and the cooktop (3) ( Figure 4 , Figure 5 ).
  • the upper plate (12) serves as a handle by being fixed to the control card (7) and facilitates the process of mounting the control card (7) to the hanger bracket (10), hence to the body (2) side wall.
  • the upper plate (12), the hanger bracket (10) and the lower plate (11) are produced from metal material, for example from sheet steel. Heat generated by the electronic elements in the control card (7) is transferred to the upper plate (12) and the hanger bracket (10), thus to the lower plate (11) by means of conduction. Being cooled by the ambient air coming from the air duct (9), the upper plate (12), the hanger bracket (10) and the lower plate (11) function as a heat sink for the control card (7).
  • the air received from the outer environment by means of the fan (8) is guided directly onto the control card (7) through the air duct (9), thus provides the efficient cooling of the control card (7).
  • the electronic elements in the control card (7) are protected against high heat and prevented from being damaged.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)

Description

  • The present invention relates to a cooking device wherein the electronic control card thereof is provided to be cooled by means of a fan.
  • The electronic control cards that are used in cooking devices and of critical importance in terms of safety and functionality must be protected against high temperatures. The control cards are generally cooled by means of a fan. In the cooking devices, especially in the ovens, the control card is generally placed behind the front panel. By sucking air by means of a fan from the gap behind the front panel, wherein the control card is situated, the control card is cooled. In the cooking devices, the vicinity of the front panel heats up excessively due to various causes. For example, when grilling function is performed by keeping the oven door open, the hot air rising from the oven cavity affects the front panel. The resistance inlets of the electric heaters in the oven are generally situated at the rear side of the oven, the temperature of these regions are lower and the temperature of the heaters increases towards the front. In the cooking devices where a cooktop is situated at the upper side, burners having a large diameter and generating much heat are generally located at the front of the cooktop, close to the control panel. Moreover, heat produced by electronic elements in the control card while operating adds up to the heat produced at the oven and cooktop parts of the cooking device and it becomes difficult to cool the control card placed behind the front panel. In pyrolytic ovens with self-cleaning function wherein very high temperatures such as 500 °C are applied, the control card cannot be sufficiently cooled and may be damaged.
  • In the International Patent Application No. WO2011080097 , an oven is disclosed, wherein the air sucked from the space in which the electronic control card situated behind the front panel by means of a fan is discharged through the outlet opening that opens to the outside environment. The fan disclosed in the above-mentioned patent applications is used for discharging the humid air in the oven cavity and provides the indirect cooling of the control card.
    Document JP2012104261 discloses an induction heating cooker wherein a fan is disposed between a cooktop and a cooking chamber. The fan is attached to a side wall of the cooker and connected to an opening in the top of the cooker.
    Document JP2007294474 discloses an induction heating cooker in which a fan is disposed close to one rear corner below a cooktop and connected via a channel that runs diagonally to the opposite corner to electronic components.
  • In the European Patent No. EP1457740 , the method for operating an oven comprising a cooling fan is disclosed.
  • The aim of the present invention is the realization of a cooking device wherein the control card thereof is efficiently cooled and protected against high temperatures.
  • The cooking device realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof comprises a cooktop, an oven underlying the cooktop, a compartment located under the cooktop and behind the front panel, a control card providing the electronic control and a fan cooling the control card, and the control card is moved away from the front panel to be mounted to the body side wall and the air sucked from the outside environment by means of a fan located on the rear wall is sent directly onto the control card through an air duct extending between the fan and the control card in the compartment, thus the control card is efficiently cooled.
  • In an embodiment of the present invention, the control card and the fan are placed in the body on the side wall close to the corner of the rear wall, and it is provided that the length of the air duct extending diagonally between the fan and the control card is at a minimum value and that the air sucked from the outside reach the control card before getting warm.
  • In another embodiment of the present invention, a hanger bracket is mounted to the side wall of the cooking device body and the control card is mounted to the hanger bracket.
  • In another embodiment of the present invention, a lower plate formed by bending the bottom side of the hanger bracket carries the control card and decreases the effect of the heat rising from the oven on the control card.
  • In another embodiment of the present invention, a horizontal upper plate mounted to the top side of the control card decreases the effect of the heat in the cooktop on the control card.
  • In another embodiment of the present invention, the hanger bracket carrying the control card, the lower plate and the upper plate fixed to the control card are produced from metal material, and serve as a heat sink for the control card.
  • In the cooking device of the present invention, the control card is protected against high heat dissipated from the cooktop at the top and the oven at the bottom, efficiently cooled by means of the fan and the air duct, and the lifespan of the electronic elements on the control card is prolonged.
  • The cooking device realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
    • Figure 1 - is the perspective view of a cooking device.
    • Figure 2 - is the sideways schematic view of a cooking device.
    • Figure 3 - is the top schematic view of a cooking device.
    • Figure 4 - is the schematic view of the electronic card, the protective elements and the cooling fan located in a cooking device.
    • Figure 5 - is the partial view of a cooking device.
  • The elements illustrated in the figures are numbered as follows:
    1. 1. Cooking device
    2. 2. Body
    3. 3. Cooktop
    4. 4. Oven
    5. 5. Front panel
    6. 6. Compartment
    7. 7. Control card
    8. 8. Fan
    9. 9. Air duct
    10. 10. Hanger bracket
    11. 11. Lower plate
    12. 12. Upper plate
  • The cooking device (1) comprises a body (2), a cooktop (3) located at the top side thereof, having gas burners and/or electric heaters thereon, an oven (4) underlying the cooktop (3), a front panel (5) situated at the front of the body (2) and having buttons and displays thereon, a compartment (6) situated between the cooktop (3) and the oven (4), a control card (7) having electronic elements thereon, that provide the controlling of the oven (4) and the cooktop (3), and a fan (8) providing the cooling of the control card (7).
  • The cooking device (1) of the present invention comprises
    • the control card (7) placed to the side wall of the body (2),
    • the fan (8) placed to the rear wall of the body (2) and
    • an air duct (9) that extends in the compartment (6), between the fan (8) and the control card (7) and that guides the air sucked from the outer environment by the fan (8) directly onto the control card (7) without circulating it in the compartment (6).
  • In the cooking device (1), the control card (7) is placed onto the side wall of the body (2), hence moved away from the front panel (5) and operates in an environment with a relatively lower temperature than that of the front panel (5). Thus, the control card (7) is protected against high temperatures affecting the front panel (5) and heat rising from the oven (4) towards the front panel (5), for example when the oven (4) door is opened at the end of the cooking process or when grilling function is performed with the oven (4) door being kept open. The air duct (9), that guides the air sucked from the outer environment by the fan (8) directly onto the control card (7) without circulating it in the compartment (6), provides the efficient cooling of the control card (7).
  • In an embodiment of the present invention, the control card (7) and the fan (8) are placed close to the corner where the side wall and the rear wall of the body (2) join, and the air duct (9) extends diagonally in the compartment (6), between the fan (8) and the control card (7) (Figure 3, Figure 5).
  • The fan (8) and the control card (7) are placed in the compartment (6) so as to face each other and at a position closest to each other, thus the length of the air duct (9) in the compartment (6) is minimized. The air sucked from the outer environment by the fan (8) passes through the air duct (9) with the minimum length in the compartment (6) without getting warm to reach directly the control card (7).
  • In another embodiment of the present invention, the cooking device (1) comprises a hanger bracket (10) mounted to the inner surface of the body (2) side wall, whereon the control card (7) is mounted, providing the control card (7) to be placed to the body (2) side wall by being hung and to be easily mounted/dismounted (Figure 4, Figure 5).
  • In another embodiment of the present invention, the cooking device (1) comprises a lower plate (11) that is formed by bending the bottom side of the hanger bracket (10) in form of an L, that extends horizontally between the control card (7) and the oven (4) towards the inside of the compartment (6), that carries the control card (7) and that reduces the effect of the high heat rising from the oven (4) to the control card (7) by creating a barrier between the control card (7) and the oven (4).
  • In another embodiment of the present invention, the cooking device (1) comprises an upper plate (12) that is mounted to the top side of the control card (7), that extends horizontally between the cooktop (3) and the control card (7) towards the inside of the compartment (6) and that reduces the effect of the high heat dissipating from the cooktop (3) to the control card (7) by creating a barrier between the control card (7) and the cooktop (3) (Figure 4, Figure 5).
  • The upper plate (12), furthermore, serves as a handle by being fixed to the control card (7) and facilitates the process of mounting the control card (7) to the hanger bracket (10), hence to the body (2) side wall.
  • In another embodiment of the present invention, the upper plate (12), the hanger bracket (10) and the lower plate (11) are produced from metal material, for example from sheet steel. Heat generated by the electronic elements in the control card (7) is transferred to the upper plate (12) and the hanger bracket (10), thus to the lower plate (11) by means of conduction. Being cooled by the ambient air coming from the air duct (9), the upper plate (12), the hanger bracket (10) and the lower plate (11) function as a heat sink for the control card (7).
  • In the cooking device (1) of the present invention, the air received from the outer environment by means of the fan (8) is guided directly onto the control card (7) through the air duct (9), thus provides the efficient cooling of the control card (7). The upper plate (12) and the lower plate (11), situated at the top side and bottom side of the control card (7) and serving as a barrier, reduces the effect of high heat in the cooktop (3) and the oven (4) to heat the control card (7). The electronic elements in the control card (7) are protected against high heat and prevented from being damaged.
  • It is to be understood that the present invention is not limited by the embodiments disclosed above and a person skilled in the art can easily introduce different embodiments. These should be considered within the scope of the protection postulated by the claims of the present invention.

Claims (5)

  1. A cooking device (1) comprising a body (2), a cooktop (3) located at the top side thereof, having gas burners and/or electric heaters thereon, an oven (4) underlying the cooktop (3), a front panel (5) situated at the front of the body (2), a compartment (6) situated between the cooktop (3) and the oven (4), a control card (7) having electronic elements thereon, that provide the controlling of the oven (4) and the cooktop (3), and a fan (8) providing the cooling of the control card (7),
    wherein the control card (7) is placed onto the side wall of the body (2),
    characterized in that
    - the fan (8) is located on the rear wall of the body (2),
    - an air duct (9) extends in the compartment (6), between the fan (8) and the control card (7) and guides the air sucked from the outer environment by the fan (8) directly onto the control card (7),
    the control card (7) and the fan (8) are placed close to the corner where the side wall and the rear wall of the body (2) join, and the air duct (9) extends diagonally in the compartment (6), between the fan (8) and the control card (7).
  2. A cooking device (1) as in Claim 1, characterized in that a hanger bracket (10) is mounted to the inner surface of the body (2) side wall, whereon the control card (7) is mounted, providing the control card (7) to be placed to the body (2) side wall by being hung.
  3. A cooking device (1) as in Claim 2, characterized in that a lower plate (11) is formed by bending the bottom side of the hanger bracket (10) in form of an L and extends horizontally between the control card (7) and the oven (4) towards the inside of the compartment (6).
  4. A cooking device (1) as in any one of the above claims, characterized in that an upper plate (12) is mounted to the top side of the control card (7) and extends horizontally between the cooktop (3) and the control card (7) towards the inside of the compartment (6).
  5. A cooking device (1) as in Claims 2 to 4, characterized in that the upper plate (12), the hanger bracket (10) and the lower plate (11) are produced from metal material.
EP13727620.0A 2012-07-27 2013-06-10 A cooking device comprising a cooling fan Active EP2877785B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201208811 2012-07-27
PCT/EP2013/061873 WO2014016033A1 (en) 2012-07-27 2013-06-10 A cooking device comprising a cooling fan

Publications (2)

Publication Number Publication Date
EP2877785A1 EP2877785A1 (en) 2015-06-03
EP2877785B1 true EP2877785B1 (en) 2016-09-07

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ID=48577768

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Application Number Title Priority Date Filing Date
EP13727620.0A Active EP2877785B1 (en) 2012-07-27 2013-06-10 A cooking device comprising a cooling fan

Country Status (4)

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EP (1) EP2877785B1 (en)
ES (1) ES2604879T3 (en)
PL (1) PL2877785T3 (en)
WO (1) WO2014016033A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2703241A1 (en) * 2017-09-07 2019-03-07 Bsh Electrodomesticos Espana Sa Cooking field device (Machine-translation by Google Translate, not legally binding)
US11428417B2 (en) 2019-06-27 2022-08-30 Bsh Home Appliance Corporation Home cooking appliance having a cooling fan air guide

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001324152A (en) * 2000-05-15 2001-11-22 Rinnai Corp Cooking appliance
WO2009097340A2 (en) * 2008-01-28 2009-08-06 Duke Manufacturing Co. Convection oven

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002299026A (en) * 2001-03-30 2002-10-11 Hitachi Hometec Ltd Induction cooker
DE60325324D1 (en) 2003-03-12 2009-01-29 Whirlpool Co Method of operating a household oven and oven with a cooling fan
JP2007294474A (en) * 2007-07-03 2007-11-08 Mitsubishi Electric Corp Induction heating cooker
WO2011080097A2 (en) 2009-12-31 2011-07-07 Arcelik Anonim Sirketi Oven with a ventilating device
JP5845473B2 (en) * 2010-03-17 2016-01-20 パナソニックＩｐマネジメント株式会社 Induction heating cooker
JP5653172B2 (en) * 2010-10-28 2015-01-14 三菱電機株式会社 Induction heating cooker
JP5345122B2 (en) * 2010-11-08 2013-11-20 三菱電機株式会社 Induction heating cooker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001324152A (en) * 2000-05-15 2001-11-22 Rinnai Corp Cooking appliance
WO2009097340A2 (en) * 2008-01-28 2009-08-06 Duke Manufacturing Co. Convection oven

Also Published As

Publication number Publication date
PL2877785T3 (en) 2017-02-28
WO2014016033A1 (en) 2014-01-30
EP2877785A1 (en) 2015-06-03
ES2604879T3 (en) 2017-03-09

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