EP2057417B1 - Appareil de cuisson - Google Patents

Appareil de cuisson Download PDF

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Publication number
EP2057417B1
EP2057417B1 EP06823990A EP06823990A EP2057417B1 EP 2057417 B1 EP2057417 B1 EP 2057417B1 EP 06823990 A EP06823990 A EP 06823990A EP 06823990 A EP06823990 A EP 06823990A EP 2057417 B1 EP2057417 B1 EP 2057417B1
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EP
European Patent Office
Prior art keywords
cooking
cooking cavity
cooking apparatus
space
set forth
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
EP06823990A
Other languages
German (de)
English (en)
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EP2057417A1 (fr
EP2057417A4 (fr
Inventor
Su-Hwan Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Priority to EP10007344.4A priority Critical patent/EP2237642B1/fr
Publication of EP2057417A1 publication Critical patent/EP2057417A1/fr
Publication of EP2057417A4 publication Critical patent/EP2057417A4/fr
Application granted granted Critical
Publication of EP2057417B1 publication Critical patent/EP2057417B1/fr
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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
    • H05B6/64—Heating using microwaves
    • H05B6/647—Aspects related to microwave heating combined with other heating techniques
    • H05B6/6473—Aspects related to microwave heating combined with other heating techniques combined with convection heating
    • H05B6/6476—Aspects related to microwave heating combined with other heating techniques combined with convection heating the refrigerating air being used for convection
    • 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
    • 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
    • F24C7/06—Arrangement or mounting of electric heating elements
    • F24C7/067—Arrangement or mounting of electric heating elements on ranges
    • 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
    • H05B6/64—Heating using microwaves
    • H05B6/6402—Aspects relating to the microwave cavity

Definitions

  • the present invention relates in general to a cooking apparatus, more specifically, to a cooking apparatus that uses a magnetron and a heater and is provided with an extended cooking cavity in height and width by installing the components at the rear space of the cooking cavity.
  • Korean Patent Application Laid-Open No. 2005-0083504 discloses a typical example of a cooking apparatus that has major components inclusive of a magnetron, a high voltage transformer, a high voltage capacitor, and a cooling fan provided at one side of a cooking cavity.
  • Korean Patent Application Laid-Open No. 2006-0037003 discloses a cooking apparatus that has major components inclusive of a magnetron, a high voltage transformer, and a high voltage capacitor installed at the upper side of a cooking cavity and accommodates a convection heater assembly at the rear wall of the cooking cavity.
  • Korean Utility Model Application Laid-Open No. 1999-0010444 discloses a cooking apparatus that has major components inclusive of a magnetron, a high voltage transformer, and a cooling fan and an operating panel provided at the lower side of a cooking cavity.
  • Korean Utility Model Application Laid-Open No. 1998-0016489 discloses a cooking apparatus, which has major components inclusive of a magnetron, a high voltage transformer and a cooling fan installed at a side wall of a cooking cavity and which is provided with a cooling flow path starting from the upper wall of the cooking cavity to a lateral side thereof.
  • Korean Patent Application Laid-Open No. 1998-0053939 discloses a door of a microwave oven used as a typical example of cooking apparatuses, in which the door is provided with a door frame for blocking microwaves and a choke cover surrounding the door frame.
  • Korean Patent Application Laid-Open No. 1995-0003729 discloses a cooking apparatus that has a cooking flow path starting from a lateral side of a cooking cavity, going via the bottom side of the cooking cavity, to the door.
  • Korean Patent Application Laid-Open No. 2004-0108050 discloses an example of an operating panel for use in a cooking apparatus, in which the operating panel is provided with a glass-touch keyboard using static electricity.
  • GB 2 237 487 A describes an oven with microwave convection and radiant heating.
  • a cooking apparatus which comprises a cooking cavity, and a component room located at the rear side of the cooking cavity and provided with a plurality of components used for a cooking process in the cooking cavity.
  • perforated walls divide off corners of the turntable oven.
  • the space behind the perforated walls that would otherwise be wasted, contains a duct within which are disposed a resistance heating coil and a fan.
  • a magnetron is also housed therein. Radiant heat may be provided by resistance element.
  • FR 2 609 159 A1 describes a microwave oven with a readily removable magnetron.
  • a microwave oven has a thermal heating device with an oven muffle, a magnetron, a wave guide rigidly connected to the oven muffle, and an electronic housing, in which the electronic power system and a fan are accommodated.
  • the magnetron is pluggably connectable to the waveguide so that the electronic housing and its contents can easily be removed to facilitate repair and maintainance.
  • EP 1 615 471 A2 describes a microwave oven.
  • the microwave oven has a main body including a cooking compartment, and a component compartment in which a heating component is installed.
  • An outer casing encloses the main body.
  • a fan is provided at the component compartment corresponding to the heating component, and blows outside air to cool the heating component.
  • An air inflow part is formed on the outer casing adjacent to the fan through which the air is sucked from the cooling fan.
  • a partitioning wall of an arcuated shape separates the cooking compartment and the component compartment, wherein the fan is inclined with respect to the cooking compartment. The air flowing through the air inflow part is guided toward the heating component along the partitioning wall.
  • EP 1 215 943 A1 describes a microwave oven comprising a cooking chamber.
  • the cooking chamber has a bottom and a wall delimiting the cooking chamber, and a turntable mounted for rotation in the bottom of the cooking chamber.
  • the wall of the cooking chamber comprises at least one circular or elliptical wall portion around the turntable.
  • the cooking chamber is splayed in the direction of the opening of the chamber emerging on the front face of the oven.
  • JP 2006-207874 A describes a cooking apparatus which comprises a cooking cavity, and a component room located at the rear side of the cooking cavity and provided with a plurality of components used for a cooking process in the cooking cavity.
  • Another object of the present invention is to provide a cooking apparatus making an efficient use of the rear space of the cooking apparatus which accommodates a convection heater assembly.
  • Another object of the present invention is to provide a cooking apparatus that has heating elements such as a magnetron, a high voltage transformer and a high voltage capacitor installed at the rear space of the cooking apparatus and that has a capability of cooling them effectively.
  • Still another object of the present invention is to provide a cooking apparatus which has a cooling fan installed at the lower portion of the rear space of the cooking apparatus, thereby creating a cooling flow path, and which has major components installed on the cooling flow path for cooling.
  • Yet another object of the present invention is to provide a cooking apparatus which uses a rack or a plate instead of a turn table and takes advantage of the rear space of the cooking apparatus so that the height, width and depth of the cooking cavity can be adjusted.
  • a cooking apparatus comprising: a cooking cavity; and a component room located at the rear side of the cooking cavity and provided with a plurality of components used for a cooking process in the cooking cavity.
  • the cooking apparatus has an expanded cooking cavity with an increased height and width.
  • the cooking apparatus comprises a cooling fan located at the lower side of the component room to cool at least part of the plurality of components.
  • the cooking comprises a cooling fan located at the lower side of the component room to cool the plurality of the components, the cooling fan being positioned below the plurality of components.
  • the plurality of components comprise a magnetron and the cooking cavity is provided with a port communicating with the magnetron at the upper surface of the cooking cavity.
  • the plurality of components comprise at least two of a convection heater assembly, a magnetron, a high voltage transformer, and a high voltage capacitor.
  • the cooking apparatus comprises a cooling fan located along the width direction of the component room to cool the plurality of components.
  • a cooling fan located along the width direction of the component room to cool the plurality of components.
  • the cooking apparatus comprises a cooling fan located in the component room to cool the plurality of components and generating separate forced flows for cooling at least two of the plurality of components.
  • the plurality of components comprise at least two of a convection heater assembly, a magnetron, a high voltage transformer, and a high voltage capacitor; and the apparatus further comprises a cooling fan located in the component room to cool the plurality of components and generating separate forced flows for cooling at least two of the plurality of components.
  • a cooking apparatus comprising: a cooking cavity provided with an air flow inlet at a lateral side thereof; a fan located at the rear side of the cooking cavity and generating an air flow; and an air flow guide guiding the air flow generated from the fan to the air flow inlet.
  • the air flow guide is extended from the rear side of the cooking cavity towards the air flow inlet.
  • a cooking apparatus comprising: a cooking cavity; a component room located at the rear side of the cooking cavity and having a plurality of components that include a magnetron and at least one of a convection heater assembly, a high voltage transformer, and a high voltage capacitor; a cooling fan located at the lower side of the component room to cool at least part of the plurality of components and generating a flow; and a flow guide guiding the flow to the magnetron.
  • a cooking apparatus comprising: a cooking cavity; and a cooling fan located at the rear of the cooking cavity and along the width direction of the cooking cavity.
  • the cooking apparatus comprises a plurality of components located over the cooling fan at the rear of the cooking cavity and provided with at least two of a convection heater assembly, a magnetron, a high voltage transformer, and a high voltage capacitor.
  • a cooking apparatus comprising: a cooking cavity; an upper space located over the cooking cavity; a rear space located behind the cooking cavity; a door covering the cooking cavity and the upper space; and a cooling fan located at the lower side of the rear space and generating a flow.
  • the door is provided with an opening that communicates with the upper space. Through this structure, the door can be cooled with the cooling fan.
  • the cooking apparatus comprises a heater provided at the upper space and heating the cooking cavity.
  • a cooking apparatus comprising: a cooking cavity; an upper space located over the cooking cavity; a rear space located behind the cooking cavity; a door covering the cooking cavity and the upper space; and a control panel located at the region of the door covering the upper space.
  • the control panel is installed at the door and necessary components are located in the upper space and the rear space, the cooking cavity can be expanded in height and width.
  • the cooking apparatus comprises a cooling fan located at the lower side of the rear space and generating a flow.
  • a cooling fan located at the lower side of the rear space and generating a flow.
  • the cooking apparatus comprises a partition wall formed across the rear space, communicating with the rear space over the partition wall, and preventing the flow from traveling from the rear space over the partition wall to the cooling fan.
  • a partition wall formed across the rear space, communicating with the rear space over the partition wall, and preventing the flow from traveling from the rear space over the partition wall to the cooling fan.
  • the cooking apparatus comprises a relay substrate located at the upper space and cooperating with the control panel.
  • the relay substrate with a large volume and a low height can be effectively installed at a place other than the door with limited space and the rear space with many components.
  • the cooking apparatus comprises a convection heater assembly, a magnetron, a high voltage transformer, and a cooling fan located at the rear space, respectively and a fist heater, a second heater and a port located around the upper space, respectively, the first heater being located inside the cooking cavity, the second heater being located outside the cooking cavity, and the port being located to communicate the cooking cavity with the magnetron.
  • the cooking apparatus comprises a relay substrate located at the upper space and cooperating with the control panel.
  • a cooking apparatus comprising: a cooking cavity; an upper space located over the cooking cavity; lateral spaces located on both sides of the cooking cavity; and a rear frame attached to the rear of the cooking cavity and provided with a cooling fan at the lower side thereof and an opening communicating with the upper space.
  • a cooking apparatus comprising: a cooking cavity; an upper space located over the cooking cavity; lateral spaces located on both sides of the cooking cavity; and a rear frame attached to the rear of the cooking cavity and provided with a cooling fan at the lower side thereof and an opening communicating with the lateral spaces.
  • FIG. 1 is an exploded schematic view of the main structure of a cooking apparatus according to the present invention
  • FIG. 2 schematically shows an example of the rear space of a cooking apparatus according to the present invention.
  • FIGS. 3 and 4 schematically show other examples of the rear space of a cooking apparatus according to the present invention.
  • FIG. 1 is an exploded schematic view of the main structure of a cooking apparatus in accordance with the present invention, showing a cooking cavity 100, a door 200, an upper space 300 located over the cooking cavity 100, a rear space 400 located at the rear of the cooking cavity 100, lateral spaces 500 located on both sides of the cooking cavity 100, and a lower space 600 located under the cooking cavity 100.
  • the cooking cavity 100 is a space for cooking food, and is defined by an inner case 110.
  • a heater 120 is provided at the upper portion of the inside of the cooking cavity 100, and a plate or a rack 130 is placed inside the cooking cavity 100.
  • the inner case 110 includes an inlet (not shown) and an outlet 111 formed on the sides for forming an air flow path to remove heat and smell inside the cooking cavity 100.
  • An example of the heater 120 is a sheath heater.
  • the use of the plate 130 in replacement of a circular turn table brings change to width and length (depth) of the cooking cavity 100, the modification of which is restricted by the turn table.
  • a guide 140 for guiding the plate 130.
  • a front frame 150 and a rear frame 160 are provided at the front and rear sides of the cooking cavity 100, respectively, and the front frame 150 has an opening 151 for forming a flow path between the upper space 300 and the door 200.
  • the rear frame 160 also has an opening 161 formed at the upper side for communication with the rear space 400.
  • the lower portion of the door 200 is hinged to the cooking cavity 100 so that the door 200 can open and close the cooking cavity 100.
  • the door 200 is formed to cover the cooking cavity 100 and the upper space 200.
  • the door 200 is composed of a handle 210, a front plate 220, an input sensing unit 230, a door panel 240, a control panel 250, a middle plate 260, a bracket 270, a door frame 280, and a choke cover 290.
  • the handle 210 is a part that a user uses to open or close the door 200, and can be fixed to the front plate 220 by bolts (not shown).
  • the handle 210 has at least one channel (not shown) formed inside along its longitudinal direction in a manner that the channel is communicated with outside, so that the total weight can be reduced and the amount of heat transferred to the user from the cooking cavity 100 during cooking can be minimized.
  • the front plate 220 is desirably made of a transparent glass for the user to be able to see the inside of the cooking cavity 100, and a display unit (not shown) including buttons may be attached or coated thereto, the buttons being used for the user to select a cooking course or for the indication of an operating status of the cooking apparatus.
  • the input sensing unit 230 is a part that recognizes which button is selected by the user.
  • the input sensing unit 230 is located at the rear of the front plate 220 made of glass, it can be composed of a glass touch unit and serve as an electrostatic sensor.
  • the glass touch unit can be attached to the front plate 220 using a tape.
  • the input sensing unit 230 is located at the upper region of the door 200 facing the upper space 300 of the cooking cavity 100, and this structure ensures a broader cooking cavity and helps the user easily see the inside of the cooking cavity 100 without hindrance.
  • the door panel 240 is a part that fixes other components 220, 250 and the like of the door 200, and has an opening 241 for the user to see the inside of the cooking cavity 100. Moreover, the door panel 240 has in its lower side an outlet (not shown) through which the flow traveling along a cooling flow path extended from a cooling fan 420 (to be described) to the door 200 via the upper space 300 is discharged.
  • the control panel 250 is a part for controlling the overall operation of the cooking apparatus according to a user input. To this end, it cooperates with the input sensing unit 230 and a relay substrate 350 (to be described), and is fixed to the door panel 240 from the rear side of the input sensing unit 230. Desirably, the control panel 250 is provided with a light-emitting source such as an LED (light emitting diode), and irradiates the light emitted from the light-emitting source to the display unit (not shown).
  • a light-emitting source such as an LED (light emitting diode)
  • the middle plate 260 is a part fixed to the door panel 240, while being spaced out from the front plate 220 and the door frame 280, respectively. Its primary function is to block heat transfer from the cooking cavity 100 to the front frame 220 and the handle 210. Desirably, the middle plate 260 is installed at the door panel 240 so that a flow generated from the cooling fan 420 (to be described) enters the door 200 via the rear space 400 and the upper space 300 and then travels between the middle plate 260 and the front plate 220 under the guidance of a bracket 270 (to be described). Such a flow vents through the outlet (not shown) of the door panel 240.
  • the bracket 270 is fixed to the door panel 240 from the rear side of the control panel 250. It serves to protect the input sensing unit 230 and the control panel 250, each including electronic components, against heat and microwaves from the cooking cavity 100 and against the flow by the cooling fan 420, and guides the flow to travel between the door panel 240 and the front plate 220.
  • the door frame 280 is accommodated in the door panel 240, and serves to block leakage of microwaves to the outside of the cooking apparatus.
  • the choke cover 290 is a cover for the door 200 located towards the cooking cavity 100, and has an opening 291 formed on its upper side in correspondence to the opening 151 of the front frame 150.
  • the opening 291 is preferably composed of tiny holes in order to prevent food or foreign substances from getting into the door 200 while the door 200 is being open.
  • the upper space 300 is a space over the cooking cavity 100 defined by an external case 310, and includes a heater 320, a waveguide 330, an insulating upper plate 340, and a relay substrate 350.
  • a lamp (not shown) for lightening the cooking cavity 100 may be provided as well.
  • the external case 310 has a shape that encompasses the top and both sides of the cooking cavity 100 at a distance away, and is connected to the front frame 150 and the rear frame 160. If necessary, it may have an outlet 311 so that a flow having traveled around the cooking cavity 100 and the heating elements installed in the cooking apparatus can be vented to the outside.
  • An example of the heater 320 is a halogen heater. Since such a heater 320 is influenced by microwaves, unlike the heater 120 formed of a sheath heater, the heater 320 is installed at the upper side of the inner case 110 so as to provide heat downwardly into the cooking cavity 100 from above.
  • the waveguide 330 is extended from the rear space 400 to the upper space 300, and serves to provide microwaves generated from a magnetron (not shown) to the cooking cavity 100. To do this, at the upper surface of the cooking cavity 100 is provided a port 331 (see FIG. 2 ).
  • the insulating upper plate 340 prevents heat generated by the heater 120 housed in the inner case 110 from transferring to the upper space 300, and has a shape that covers the upper portion of the cooking cavity 100 except for the heater 320 and the waveguide 330.
  • the relay substrate 350 is mounted on the insulating upper plate 340 from one side of the upper space 300, and interworks with the control panel 250 to operate components inclusive of the magnetron (to be described) placed at the rear space 400.
  • FIG. 2 schematically shows an example of the rear space of a cooking apparatus according to the present invention.
  • the rear space 400 is a space behind the cooking cavity 100 defined by the cover 410, and includes a cooling fan 420, a convection heater assembly 430, and heating elements such as a magnetron 440, a high voltage transformer 450, and a high voltage capacitor 460, together building a component room of the cooking apparatus.
  • the cover 410 is connected to the rear frame 160 or the outer case 310 so as to cover the upper space 300 and the rear space 400, and its lower portion is connected to a base 610. At the lower portion of the cover 410 or the base 610 is provided an inlet 411 for air inflow to the cooling fan 420.
  • the cooling fan 420 is located at the lower portion of the rear space 400 along the width direction thereof, and includes flow-generating units 421 and 422 on both sides to cool the components installed at the upper side.
  • the cooling fan 420 is provided with a partition wall 423 for preventing the flow generated by the cooling fan 420 from flowing back to the cooling fan 420.
  • the partition wall 423 has openings 424 and 425 formed on both sides in a manner to make the flow go up to the upper portion of the rear space 400.
  • a motor (not shown) for driving the flow-generating units 421 and 422.
  • FIGS. 3 and 4 schematically show other application examples of the rear space of a cooking apparatus according to the present invention.
  • the rear space is provided, in addition to the structure shown in FIG. 2 , with a flow guide 441 for guiding air flow to the magnetron 440, and an flow guide 442 for guiding the air flow coming out of the magnetron 440 to the inlet 112 that is formed on the lateral face of the cooking cavity 100.
  • This structure, especially the flow guide 442 makes it possible to guide the air flow generated from the cooling fan 420 into the cooking cavity 100 stably and efficiently, and to effectively cool the magnetron, one of core components.
  • the convection heater assembly 430 includes a fan 431, a heater 432, an inner heater cover 433, an outer heater cover 434, and a motor 435. Desirably, a heat insulating material (not shown) is placed between the inner heater cover 433 and the outer heater cover 434. Such a convection heater assembly 430 must have the motor 435. Since the motor 435 is installed being protruded backwardly from the rear space 400, the rear space 400 must have a room that is deep enough at least to accommodate the motor 435. Based on the attention to this space, such a large volume component 440, 450, and/or 460 among the major components used in the operation of the cooking apparatus can be placed in the rear space 400.
  • a cooking apparatus according to the present invention can change the height, width and depth of the cooking cavity 100. Also, by placing the cooling fan 420 at the lower portion of the rear space 400, a cooking apparatus according to the present invention can utilize the rear space 400 and can cool the heating elements 440, 450, and/or 460 as well.
  • the whole part of a cooking apparatus according to the present invention can be effectively cooled by the cooling fan 420.
  • the heating elements such as the convection heater assembly 430, the magnetron 440, the high voltage transformer 450, and the high voltage capacitor 460, which are provided in the rear space 400, can be cooled effectively, the flow can be traveled to the upper space 300, the lateral spaces 500 and the cooking cavity 100 and be vented through an outlet 611 formed on the base at the lower portion of the cooking cavity 100.
  • the partition wall 423 and the openings 424 and 425 a cooking apparatus according to the present invention can form the flow path and flow and cool the heating elements, effectively and selectively.
  • the rear frame 160 may further comprise an opening 162 for communicating the lateral space 500. The opening 162 enables a direct air flow from the rear space 400 to the lateral space 500 and creates air flow to both sides of the rear space 400, thereby promoting the cooling process and the air flow onto both sides of the rear space 400.
  • the magnetron 440, the high voltage transformer 450, and the high voltage capacitor 460 are major components used in the operation of the cooking apparatus, each generating a lot of heat.
  • the magnetron 440 is placed above the opening 424, while the high voltage transformer 450 and the high voltage capacitor 460 are placed above the opening 425.
  • the arrangement of these heating elements can be changed.
  • the lateral spaces 500 are spaces on both sides of the cooking cavity 100 defined by the outer case 100, and they desirably communicate with the upper space 300, the rear space 400, and the lower space 600, and also with the cooking cavity 100 through the inlet 112 and the outlet 111.
  • the flow generated from the cooling fan 420 travels from the rear space 400, the upper space 300, the cooking cavity 100, the lateral spaces 500, and eventually to the lower space 600. At this time, the flow traveling the upper space 300 and heading to the lateral space 500 can guide the flow that came out of the cooking cavity 100 through the outlet 111 to the lower space 600.
  • the lower space 600 is a space below the cooking cavity 100 defined by the base 610.
  • the base 610 is connected to the front frame 150 and the rear frame 160 to support the cooking apparatus, and includes the outlet 611 so as to exhaust the flow originated from the cooling fan 420 and the smell and heat generated in the cooking cavity 100. Even though the lower space 600 is defined by the rear frame 160 from the rear side, the base 610 is connected to the cover 410 over the rear frame 160. Therefore, the base 610 also functions as a member for limiting the lower portion of the rear space 400.
  • the location of the outlet 611 is not particularly limited, so it can be on the side of the outlet 111, or preferably at the center of the base 610 to give a sufficiently long flow path.
  • a plate (not shown) may be connected to the base 610 at a distance so that heat may be exhausted in the lateral directions.
  • the height and width of the cooking cavity can be expanded by utilizing the rear space of the cooking apparatus.
  • the rear space provided with the convection heater assembly can be utilized effectively.
  • thermoelectric elements such as the magnetron, the high voltage transformer, and the high voltage capacitor in the rear space and to cool them effectively.
  • the cooling fan is provided at the lower portion of the rear space of the cooking apparatus, and can cool the major components by placing them on the cooling flow path generated by the cooling fan.
  • a cooking apparatus of the present invention by using the rack or the plate instead of the turntable and by utilizing the rear space of the cooking apparatus, it becomes possible to adjust the height, width and depth of the cooking cavity.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Vending Machines For Individual Products (AREA)
  • Laminated Bodies (AREA)
  • Electric Stoves And Ranges (AREA)

Claims (16)

  1. Appareil de cuisson comprenant :
    - une cavité de cuisson (100) ; et
    - un compartiment à composants situé sur la face arrière de la cavité de cuisson (100) et pourvu d'une pluralité de composants utilisés pour un processus de cuisson dans la cavité de cuisson (100),
    caractérisé en ce que l'appareil de cuisson comprend en outre :
    - un ventilateur de refroidissement (420) situé dans le compartiment à composants pour refroidir la pluralité de composants et produisant des flux forcés séparés pour refroidir au moins deux des composants.
  2. Appareil de cuisson selon la revendication 1, comprenant en outre le ventilateur de refroidissement (420) situé dans la partie inférieure du compartiment à composants pour refroidir au moins une partie des composants, le ventilateur de refroidissement (420) étant positionné sous la pluralité de composants.
  3. Appareil de cuisson selon la revendication 1, dans lequel les composants comprennent un magnétron (440) et la cavité de cuisson (100) est pourvue d'un orifice communiquant avec le magnétron (440) à la surface supérieure de la cavité de cuisson (100).
  4. Appareil de cuisson selon la revendication 1, dans lequel les composants comprennent au moins deux éléments parmi un ensemble chauffant par convection (430), un magnétron (440), un transformateur haute tension (450) et un condensateur haute tension (460).
  5. Appareil de cuisson selon la revendication 1, comprenant en outre le ventilateur de refroidissement (420) situé le long de la direction de la largeur du compartiment à composants pour refroidir la pluralité de composants.
  6. Appareil de cuisson selon l'une quelconque des revendications 1 à 5, comprenant en outre une entrée de flux d'air (112) prévue sur un côté latéral de la cavité de cuisson (100) et un guide de flux d'air (442) guidant le flux produit par le ventilateur de refroidissement (420) jusqu'à l'entrée de flux d'air (112).
  7. Appareil de cuisson selon la revendication 6, dans lequel le guide de flux d'air (442) s'étend du côté arrière de la cavité de cuisson (100) vers l'entrée de flux d'air (112) en passant par un magnétron (440) situé dans le compartiment à composants.
  8. Appareil de cuisson selon l'une quelconque des revendications 1 à 7, dans lequel les composants comprennent un magnétron (440) et au moins un élément parmi un ensemble chauffant par convection (430), un transformateur haute tension (450) et un condensateur haute tension (460), et le ventilateur de refroidissement (420) est situé dans la partie inférieure du compartiment à composants pour refroidir au moins une partie de la pluralité de composants et produire un flux et l'appareil de cuisson comprend en outre un guide de flux (441) guidant le flux jusqu'au magnétron (440).
  9. Appareil de cuisson selon l'une quelconque des revendications 1 à 8, comprenant en outre un espace supérieur (300) situé au-dessus de la cavité de cuisson (100), un espace arrière (400) correspondant au compartiment à composants et situé sous la cavité de cuisson (100), une porte (200) couvrant la cavité de cuisson (100) et l'espace supérieur (300), dans lequel le ventilateur de refroidissement (420) est situé dans la partie inférieure de l'espace arrière (400).
  10. Appareil de cuisson selon la revendication 9, dans lequel la porte (200) est pourvue d'une ouverture (291) qui communique avec l'espace supérieur (300) par une ouverture (151) du châssis avant (150).
  11. Appareil de cuisson selon la revendication 9, comprenant en outre un dispositif de chauffage (320) placé dans l'espace supérieur (300) et qui chauffe la cavité de cuisson (100).
  12. Appareil de cuisson selon l'une quelconque des revendications 1 à 11, comprenant en outre :
    - un espace supérieur (300) situé au-dessus de la cavité de cuisson (100),
    - un espace arrière (400) correspondant au compartiment à composants et situé derrière la cavité de cuisson (100),
    - une porte (200) couvrant la cavité de cuisson (100) et l'espace supérieur (300), et
    - un panneau de commande (250) situé dans la région de la porte qui couvre l'espace supérieur (300).
  13. Appareil de cuisson selon la revendication 12, comprenant en outre une cloison de séparation (423) formée d'un bord à l'autre de l'espace arrière (400), communiquant avec l'espace arrière (400) par-dessus la cloison de séparation (423), et empêchant le flux provenant de l'espace arrière (400) et passant par-dessus la cloison de séparation (423) d'atteindre le ventilateur de refroidissement (420).
  14. Appareil de cuisson selon la revendication 12, comprenant en outre un substrat de relais (350) prévu dans l'espace supérieur (300) et coopérant avec le panneau de commande (250).
  15. Appareil de cuisson selon la revendication 12, comprenant en outre :
    - un ensemble chauffant par convection (430), un magnétron (440), un transformateur haute tension (450) et le ventilateur de refroidissement (420) situé dans l'espace arrière, respectivement ; et
    - un premier dispositif de chauffage (120), un deuxième dispositif de chauffage (320) et un orifice situé autour de l'espace supérieur (300), respectivement, le premier dispositif de chauffage (120) étant situé à l'intérieur de la cavité de cuisson (100), le deuxième dispositif de chauffage (320) étant situé à l'extérieur de la cavité de cuisson (100), et l'orifice étant positionné pour faire communiquer la cavité de cuisson (100) avec le magnétron (440).
  16. Appareil de cuisson selon l'une quelconque des revendications 1 à 15, comprenant en outre :
    - un espace supérieur (300) situé au-dessus de la cavité de cuisson, et
    - des espaces latéraux (500) situés de chaque côté de la cavité de cuisson, et
    - un châssis arrière (160) fixé à l'arrière de la cavité de cuisson (100) et pourvu du ventilateur de refroidissement (420) dans sa partie inférieure et d'une ouverture (161, 162) communiquant avec l'espace supérieur (300) ou l'espace latéral (500).
EP06823990A 2006-09-01 2006-12-07 Appareil de cuisson Active EP2057417B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10007344.4A EP2237642B1 (fr) 2006-09-01 2006-12-07 Appareil de cuisson

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060084335A KR100862112B1 (ko) 2006-09-01 2006-09-01 조리기기
PCT/KR2006/005283 WO2008026799A1 (fr) 2006-09-01 2006-12-07 Appareil de cuisson

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP10007344.4A Division EP2237642B1 (fr) 2006-09-01 2006-12-07 Appareil de cuisson
EP10007344.4 Division-Into 2010-07-15

Publications (3)

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EP2057417A1 EP2057417A1 (fr) 2009-05-13
EP2057417A4 EP2057417A4 (fr) 2009-08-19
EP2057417B1 true EP2057417B1 (fr) 2010-09-22

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EP10007344.4A Active EP2237642B1 (fr) 2006-09-01 2006-12-07 Appareil de cuisson
EP06823990A Active EP2057417B1 (fr) 2006-09-01 2006-12-07 Appareil de cuisson

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EP10007344.4A Active EP2237642B1 (fr) 2006-09-01 2006-12-07 Appareil de cuisson

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EP (2) EP2237642B1 (fr)
KR (1) KR100862112B1 (fr)
CN (2) CN101506583B (fr)
AT (1) ATE482603T1 (fr)
DE (1) DE602006017119D1 (fr)
MX (1) MX2009002263A (fr)
RU (2) RU2411414C2 (fr)
WO (1) WO2008026799A1 (fr)

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KR102513419B1 (ko) * 2016-08-19 2023-03-23 에스케이매직 주식회사 전기 조리기

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Also Published As

Publication number Publication date
DE602006017119D1 (de) 2010-11-04
RU2455571C2 (ru) 2012-07-10
MX2009002263A (es) 2009-03-20
CN101506583A (zh) 2009-08-12
RU2411414C2 (ru) 2011-02-10
EP2057417A1 (fr) 2009-05-13
EP2237642B1 (fr) 2015-06-24
WO2008026799A1 (fr) 2008-03-06
RU2010130154A (ru) 2012-01-27
CN101893264B (zh) 2013-03-27
EP2057417A4 (fr) 2009-08-19
KR100862112B1 (ko) 2008-10-09
ATE482603T1 (de) 2010-10-15
CN101506583B (zh) 2012-07-04
RU2009111886A (ru) 2010-10-10
EP2237642A1 (fr) 2010-10-06
KR20080020875A (ko) 2008-03-06
CN101893264A (zh) 2010-11-24

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