EP1601236A2 - Dispositif de cuisson comprenant une unité de refroidissement - Google Patents

Dispositif de cuisson comprenant une unité de refroidissement Download PDF

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Publication number
EP1601236A2
EP1601236A2 EP05104314A EP05104314A EP1601236A2 EP 1601236 A2 EP1601236 A2 EP 1601236A2 EP 05104314 A EP05104314 A EP 05104314A EP 05104314 A EP05104314 A EP 05104314A EP 1601236 A2 EP1601236 A2 EP 1601236A2
Authority
EP
European Patent Office
Prior art keywords
heat
cooking appliance
heat pipe
cooling unit
appliance according
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.)
Withdrawn
Application number
EP05104314A
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German (de)
English (en)
Other versions
EP1601236A3 (fr
Inventor
Egbert Classen
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
Publication of EP1601236A2 publication Critical patent/EP1601236A2/fr
Publication of EP1601236A3 publication Critical patent/EP1601236A3/fr
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • H05B6/1209Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1263Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements using coil cooling arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/006Arrangements for circulation of cooling air

Definitions

  • the invention is based on a cooking appliance with a cooling unit according to the preamble of claim 1.
  • From DE 198 17 197 C2 is formed by an induction hob generic Cooking appliance with a cooling unit for cooling power electronic components and known by inducers of the cooktop.
  • the cooling unit has a radial fan and a arranged in the air flow of the radial fan heat sink profile for cooling.
  • the object of the invention is, in particular, a generic cooking appliance to provide with a cooling unit, by means of targeted and particularly effective heat individual components with a high energy density can be dissipated.
  • the task is achieved by the features of claim 1, while advantageous Refinements and developments of the invention the dependent and dependent claims can be removed.
  • the invention is based on a cooking appliance, in particular a cooktop, with a Cooling unit for cooling at least one component.
  • the cooling unit has at least one heat pipe.
  • a heat pipe should be understood in this context a unit, within a medium which is essentially responsible for the heat transport is arranged, in a heat receiving area of the heat pipe for evaporation and in a opposite the heat absorption area generally higher heat dissipation area the heat pipe is provided for condensation, wherein the medium or the energy carrier preferably with regard to the existing in the particular application Temperature range is selected.
  • the heat in particular even in low installation spaces, targeted and particularly effective from individual components be discharged to a high energy density and transported to another area.
  • the heat pipe can at least largely without movably mounted components and at least be carried out largely maintenance-free, which simply ensures a long service life can be achieved with low maintenance costs.
  • the heat pipe can be different, the expert appears reasonable designs having different cross-sectional areas, for example, the heat pipe formed by one or more tubular and / or plate-shaped components
  • the shape of the heat pipe may also be in at least one of its extensions be executed differently, for example, the heat pipe in its longitudinal extent be executed with different cross-sectional areas or outer surfaces, so that in the heat dissipation area over a particularly large outer surface of the heat the heat pipe can be advantageously dissipated, etc.
  • the Substantially responsible medium can be used for heat absorption Heat release area and from the heat release area to the heat receiving area the same Channel or it can be provided separate channels with low or can also be arranged with greater spatial distance, so that, for example a component between the channels can be arranged.
  • flow direction of the medium in the channels can within the heat pipe be provided different flow deflections and / or check valves.
  • the heat pipe in its shape, especially in space conditions, customizable, for example, by these at least partially from a
  • manually made by a fitter of manually deformable material such as made of a simply plastically or elastically deformable material, e.g. made of copper, or made of an elastically or plastically deformable plastic, etc.
  • various components that appear appropriate to the person skilled in the art can be used be cooled within the cooking appliance, but particularly advantageous components or Units with a relatively small surface area and high heat development, such as for example, a magnetron of a microwave device and in particular electronic units, such as power electronics units of an induction hob, triacs, etc.
  • the electronic units can be particularly compact due to the possibility of targeted cooling, especially with low height, designed, in confined spaces arranged and operated with a high performance, whereby existing space, especially in cooktops, can be used advantageously.
  • the heat can be within the cooking appliance of the temperature-critical to be cooled Unit in different, which appears appropriate to the expert temperature-critical Regions within the cooking device out as well as at least partially from the Cooking device are discharged.
  • the heat pipe is particularly advantageous with a heat consumer coupled, which makes good use of the heat energy and total Energy can be saved. It should under a heat consumer all Understood units by means of which uses the heat for a specific purpose can be.
  • the heat consumer can be formed by different units, such as from a water heater, a warming drawer, a cooking chamber, etc., particularly advantageous, however, from a hot plate, which advantageously in an upper Region of the cooking appliance can be arranged so that constructively simply a positive Slope from the heat receiving area of the heat pipe to the heat dissipation area The heat pipe and the heat over a large area effectively achieved from the cooking appliance can be dissipated.
  • the cooking appliance a fan, which is provided for heat removal from the heat pipe, whereby structurally simple achieved a particularly effective heat dissipation from the heat pipe and in particular also the heat from an upper heat release area the heat pipe to a relative to the heat dissipation area further down heat consumer can be performed.
  • at least one additional function is assigned to the fan, such as the cooling of other components, etc., may be additional Components, assembly costs and costs are at least reduced.
  • the heat pipe is intended, one for a cooking operation to heat provided airflow, for example, one by free convection resulting air flow or in particular a generated by a fan airflow, for the extraction of vapors and / or for the supply of fresh air in one Cooking chamber serves, etc., whereby the output from the heatpipe heat energy makes sense used and total energy can be saved.
  • a thermal conductivity ⁇ higher than 45 W / mK which is essentially the thermal conductivity of steel corresponds, and particularly advantageously has a thermal conductivity ⁇ higher than 74 W / mK, which essentially corresponds to the thermal conductivity ⁇ of iron, such as with a heat conducting medium made of brass with a thermal conductivity ⁇ of 111 W / mK, of aluminum with a thermal conductivity ⁇ of 220 W / mK, of copper with a Thermal conductivity ⁇ of 384 W / mK or with a heat transfer agent from a person skilled in the art as meaningful appearing alloy, the heat can constructively simple with few additional components from the heat pipe in a desired area effectively passed become.
  • the heat from the heat pipe in addition or alternatively by means of free convection or by means of others which appears to the skilled person to make sense Heat dis
  • the Increased flexibility and, in particular, a desired operating temperature in the too Cooling unit advantageously set, i. controlled and / or regulated.
  • the Adjustment unit can be made of different, the expert appears reasonable units be formed, such as by a unit for changing the slope the heat pipe and / or a unit for throttling the currents within the Heatpipe etc.
  • the stove has an oven with one in one Cooker 29 arranged oven muffle 30, which together with a oven door 31 limits a cooking chamber, which forms a further heat consumer 20.
  • Each of the induction cookers 25, 26, 27, 28 has a power electronics unit 15, 16, 17, 18, below a glass ceramic plate 32 each in the region of a not closer illustrated inductor of the induction cookers 25, 26, 27, 28 is arranged.
  • the Induction hob has a cooling unit 10 for cooling the power electronics units 15, 16, 17, 18, which according to the invention has four heat pipes 11, 12, 13, 14.
  • the one of the hot plate facing induction cookers 25, 28 assigned Heatpipes 11, 14 are formed by tubular components, each with a first End are coupled to one of the power electronics units 15, 18 and starting from these directed upward with a second end to an underside of the heat consumer 19 are formed hot plate from glass ceramic coupled ( Figures 1 and 2).
  • In operation of the induction cookers 25, 28 evaporates in the area of the power electronics units 15, 18 coupled ends of the heatpipes 11, 14 a in the heatpipes 11, 14 and arranged on the occurring temperatures of the power electronics units 15, 18 tuned medium, takes heat from the power electronics units 15, 18 up, rises in the vapor state up to the with the hot plate coupled ends, in the area of the medium condenses and heat emits the hotplate. Subsequently, the medium flows back in the liquid state to the lower ends, coupled to the power electronics units 15, 18, thereon following evaporation again.
  • the heat transfer via the heat pipes 11, 14 is in each case by means of one of a throttle unit Adjustment unit 23, 24 formed adjustable. From an operator can by means of a by a rotary knob formed actuating means 33, via a control unit 34th and via the adjusting units 23, 24, the heat transfer from the power electronics units 15, 18 are controlled via the heat pipes 11, 14 to the hot plate, wherein is always ensured via the control unit 34 that regardless of the setting of the Operator a predetermined limit temperature of the power electronics units 15, 18th is not exceeded. If the limit temperature is reached, are via the control unit 34 primarily the power electronics units 15, 18 cooled. To the temperature of To be able to adjust the hotplate flexibly and in particular around the hotplate also be able to use without the induction cookers 25, 28 are used are two additional electrical heating elements 36, 37 are provided, by means of which the Hot plate can be heated.
  • the the hot plates facing away from the induction hobs 26, 27 assigned Heatpipes 12, 13 are also formed by tubular components, each with a first end to one of the power electronics units 16, 17 are coupled and from this starting upwards with a second end to a channel 35th a ventilation system of the oven are coupled ( Figures 1 and 3).
  • Heatpipes 12, 13 a arranged in the heat pipes 12, 13 and on the occurring Temperatures of the power electronics units 16, 17 tuned medium decreases Heat from the power electronics units 16, 17 increases in the vapor state up to the coupled to the channel 35 ends in the area of the medium condenses and gives off heat to the channel 35. Subsequently, the medium flows in the liquid State back to the lower, coupled to the power electronics units 16, 17 Ends to be subsequently evaporated again.
  • the channel 35 extends from an opening 38 along a front side of the hearth an upper, the hot plate facing away from the longitudinal edge of the hearth housing 29 and from this to a fan 21 of the ventilation system.
  • the fan 21 is on the one hand provided, heat from the channel 35, in particular from coupling points of the heat pipes 12, 13 to the channel 35 and thus dissipate from the heat pipes 12, 13, and the other for generating an intended for a recirculation mode of the oven air flow in the oven.
  • the fan 21 is used Furthermore, in individual operating conditions of the oven the cooking chamber via the channel 35 supply a fresh air stream 22.
  • the provided for a particular cooking operation of the oven fresh air stream 22 via the Heatpipes 12, 13 heated, and an undesirable decrease in temperature in the cooking chamber can at least be reduced.
  • the formed of an aluminum alloy with a thermal conductivity ⁇ of about 200 W / mK Channel 35 serves in addition to the guidance of the fresh air stream 22 as a heat conducting means 40, can be dissipated via the heat from the heat pipes 12, 13 by heat conduction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)
  • Cookers (AREA)
  • Induction Heating Cooking Devices (AREA)
EP05104314A 2004-05-27 2005-05-20 Dispositif de cuisson comprenant une unité de refroidissement Withdrawn EP1601236A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004025915 2004-05-27
DE200410025915 DE102004025915A1 (de) 2004-05-27 2004-05-27 Gargerät mit einer Kühleinheit

Publications (2)

Publication Number Publication Date
EP1601236A2 true EP1601236A2 (fr) 2005-11-30
EP1601236A3 EP1601236A3 (fr) 2006-05-17

Family

ID=34939921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05104314A Withdrawn EP1601236A3 (fr) 2004-05-27 2005-05-20 Dispositif de cuisson comprenant une unité de refroidissement

Country Status (2)

Country Link
EP (1) EP1601236A3 (fr)
DE (1) DE102004025915A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2306092A2 (fr) 2009-10-02 2011-04-06 BSH Bosch und Siemens Hausgeräte GmbH Appareil de cuisson doté d'un composant chauffé en fonctionnement et procédé de refroidissement d'un tel composant
EP2306093A2 (fr) 2009-10-02 2011-04-06 BSH Bosch und Siemens Hausgeräte GmbH Appareil de cuisson doté d'un composant chauffant en fonctionnement et d'un ventilateur à air frais ainsi que procédé de refroidissement d'un composant chauffant en fonctionnement d'un appareil de cuisson
WO2011086506A3 (fr) * 2010-01-18 2011-09-29 BSH Bosch und Siemens Hausgeräte GmbH Appareil électroménager
EP2531003A3 (fr) * 2011-06-02 2013-01-16 General Electric Company Ensemble de refroidissement de cuisson à induction
EP2306534A3 (fr) * 2009-10-02 2013-03-13 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager doté d'un composant chauffant en fonctionnement et d'un dispositif de refroidissement ainsi que procédé de refroidissement d'un autre composant chauffant en fonctionnement d'un appareil ménager
DE102014008443A1 (de) 2014-06-06 2015-12-31 E.G.O. Elektro-Gerätebau GmbH Induktionskochfeld
EP3447389A1 (fr) * 2017-08-25 2019-02-27 Vestel Elektronik Sanayi ve Ticaret A.S. Appareil de cuisson
EP3477209A1 (fr) * 2017-10-27 2019-05-01 Whirlpool Corporation Four comportant un dispositif d'imagerie
US11672056B2 (en) * 2018-03-23 2023-06-06 Lg Electronics Inc. Induction heating device having improved cooling structure
WO2025025668A1 (fr) * 2023-07-28 2025-02-06 广东合胜厨电科技有限公司 Cuisinière intégrée dotée d'un dispositif de cuisson

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015103812A1 (de) * 2015-03-16 2016-09-22 Miele & Cie. Kg Vorrichtung mit einer Kochfeldeinrichtung sowie Verfahren zu dessen Betrieb
DE102020215494A1 (de) 2020-12-08 2022-06-09 Wilhelm Bruckbauer Vorrichtung zum Erwärmen von Speisen
DE102024209733A1 (de) * 2024-10-04 2026-04-09 BSH Hausgeräte GmbH Gargerät mit Kühlung eines Elektronikbauteils

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US3831578A (en) * 1973-07-11 1974-08-27 Westinghouse Electric Corp Range exterior surface cooling device
JPS5795529A (en) * 1980-12-05 1982-06-14 Matsushita Electric Ind Co Ltd Gas appliance
JPS5795530A (en) * 1980-12-05 1982-06-14 Matsushita Electric Ind Co Ltd Gas appliance
DE3544039A1 (de) * 1985-11-08 1987-05-27 Erich Poehlmann Heiz- und/oder kochvorrichtung mit einem waermespeicherblock
JPH03192686A (ja) * 1989-12-21 1991-08-22 Mitsubishi Electric Corp 電磁調理器
JPH06327553A (ja) * 1993-05-19 1994-11-29 Matsushita Electric Ind Co Ltd 炊飯器
JPH07241236A (ja) * 1994-03-03 1995-09-19 Sanyo Electric Co Ltd 電磁誘導加熱炊飯器
DE19540408A1 (de) * 1995-10-30 1997-05-07 Herchenbach Wolfgang Kochsystem
TWM240615U (en) * 2003-03-17 2004-08-11 Shuttle Inc Combination structure of CPU heat dissipating device and power supply

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2306092A3 (fr) * 2009-10-02 2018-01-03 BSH Hausgeräte GmbH Appareil de cuisson doté d'un composant chauffé en fonctionnement et procédé de refroidissement d'un tel composant
EP2306093A2 (fr) 2009-10-02 2011-04-06 BSH Bosch und Siemens Hausgeräte GmbH Appareil de cuisson doté d'un composant chauffant en fonctionnement et d'un ventilateur à air frais ainsi que procédé de refroidissement d'un composant chauffant en fonctionnement d'un appareil de cuisson
DE102009045296A1 (de) 2009-10-02 2011-04-07 BSH Bosch und Siemens Hausgeräte GmbH Gargerät mit einer sich im Betrieb erwärmenden Komponente und einem Kühlluftgebläse sowie Verfahren zum Kühlen einer sich im Betrieb erwärmenden Komponente eines Gargeräts
DE102009045297A1 (de) 2009-10-02 2011-04-07 BSH Bosch und Siemens Hausgeräte GmbH Gargerät mit einer sich im Betrieb erwärmenden Komponente sowie Verfahren zum Kühlen einer sich im Betrieb erwärmenden Komponente eines Gargeräts
EP2306534A3 (fr) * 2009-10-02 2013-03-13 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager doté d'un composant chauffant en fonctionnement et d'un dispositif de refroidissement ainsi que procédé de refroidissement d'un autre composant chauffant en fonctionnement d'un appareil ménager
EP2306092A2 (fr) 2009-10-02 2011-04-06 BSH Bosch und Siemens Hausgeräte GmbH Appareil de cuisson doté d'un composant chauffé en fonctionnement et procédé de refroidissement d'un tel composant
EP2306093A3 (fr) * 2009-10-02 2018-01-03 BSH Hausgeräte GmbH Appareil de cuisson doté d'un composant chauffant en fonctionnement et d'un ventilateur à air frais ainsi que procédé de refroidissement d'un composant chauffant en fonctionnement d'un appareil de cuisson
WO2011086506A3 (fr) * 2010-01-18 2011-09-29 BSH Bosch und Siemens Hausgeräte GmbH Appareil électroménager
EP2531003A3 (fr) * 2011-06-02 2013-01-16 General Electric Company Ensemble de refroidissement de cuisson à induction
US9125244B2 (en) 2011-06-02 2015-09-01 General Electric Company Induction cooktop cooling kit
DE102014008443A1 (de) 2014-06-06 2015-12-31 E.G.O. Elektro-Gerätebau GmbH Induktionskochfeld
EP3447389A1 (fr) * 2017-08-25 2019-02-27 Vestel Elektronik Sanayi ve Ticaret A.S. Appareil de cuisson
EP3477209A1 (fr) * 2017-10-27 2019-05-01 Whirlpool Corporation Four comportant un dispositif d'imagerie
US10591218B2 (en) 2017-10-27 2020-03-17 Whirlpool Corporation Oven having an imaging device
US11231230B2 (en) 2017-10-27 2022-01-25 Whirlpool Corporation Oven having an imaging device
US11619451B2 (en) 2017-10-27 2023-04-04 Whirlpool Corporation Oven having an imaging device
US11672056B2 (en) * 2018-03-23 2023-06-06 Lg Electronics Inc. Induction heating device having improved cooling structure
WO2025025668A1 (fr) * 2023-07-28 2025-02-06 广东合胜厨电科技有限公司 Cuisinière intégrée dotée d'un dispositif de cuisson

Also Published As

Publication number Publication date
EP1601236A3 (fr) 2006-05-17
DE102004025915A1 (de) 2005-12-22

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