EP2066974B1 - Appareil de cuisson - Google Patents

Appareil de cuisson Download PDF

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Publication number
EP2066974B1
EP2066974B1 EP06823996A EP06823996A EP2066974B1 EP 2066974 B1 EP2066974 B1 EP 2066974B1 EP 06823996 A EP06823996 A EP 06823996A EP 06823996 A EP06823996 A EP 06823996A EP 2066974 B1 EP2066974 B1 EP 2066974B1
Authority
EP
European Patent Office
Prior art keywords
cooking apparatus
space
rear space
cooking
cooking cavity
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
EP06823996A
Other languages
German (de)
English (en)
Other versions
EP2066974A4 (fr
EP2066974A1 (fr
Inventor
Tae-Hoon Lee
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
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Filing date
Publication date
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Publication of EP2066974A1 publication Critical patent/EP2066974A1/fr
Publication of EP2066974A4 publication Critical patent/EP2066974A4/fr
Application granted granted Critical
Publication of EP2066974B1 publication Critical patent/EP2066974B1/fr
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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
    • 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
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems
    • 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
    • F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
    • 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
    • H05B6/642—Cooling of the microwave components and related air circulation systems
    • 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

Definitions

  • the present invention relates in general to a cooking apparatus, more specifically, to a cooking apparatus that is capable of effectively cooling a rear space of the cooking apparatus where heating elements such as a convection heater assembly, a magnetron, a high voltage transformer, a high voltage capacitor are placed.
  • heating elements such as a convection heater assembly, a magnetron, a high voltage transformer, a high voltage capacitor are placed.
  • 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.
  • Another object of the present invention is to provide a cooking apparatus that is capable of cooling a rear space and an upper space of the cooking apparatus.
  • Still another object of the present invention is to provide a cooking apparatus that is capable of effectively cooling a rear space, an upper space, and a door of the cooking apparatus.
  • Still another object of the present invention is to provide a cooking apparatus that cools a rear space of the cooking apparatus through a flow of cooling air from a lower portion to an upper portion.
  • Still another object of the present invention is to provide a cooking apparatus that is capable of getting rid of heat and smells produced in a cooking cavity, by using a flow of cooling flow path formed in a rear space of the cooking apparatus.
  • Still another object of the present invention is to provide a cooking apparatus that uses a rear space primarily reserved for a convection heater assembly more efficiently and is capable of cooling the rear space effectively through a cooling flow path.
  • Still another object of the present invention is to provide a cooking apparatus that is equipped with heating elements such as a magnetron, a high voltage transformer, a high voltage capacitor and the like arranged in a rear space, and is capable of effectively cooling the same.
  • Still another object of the present invention is to provide a cooking apparatus that is equipped with a cooling fan placed at a lower portion of a rear space, and is capable of cooling main components by arranging them along a cooling flow path created by the cooling fan.
  • Still another object of the present invention is to provide a cooking apparatus that has a larger cooking cavity with height and width increased by utilizing a rear space of the cooking apparatus, and is capable of effectively cooling the rear space.
  • Yet another object of the present invention is to provide a cooking apparatus that has a cooking cavity with height, width and depth adjustable by using a tray instead of a turntable and by utilizing a rear space of the cooking apparatus.
  • GB 1 165 535 describes a microwave oven having an external grid support slideably mounting a door for closing an aperture, said door carrying guides telescoping in sleeves against springs.
  • US 4,132,878 relates to a high-frequency energy apparatus, having a heat generating element, which is disposed on a ventilation path of the high-frequency energy apparatus, which path is channeled through a heating chamber.
  • the cooking apparatus further comprises:
  • the cooling flow path is composed of at least two separate sub-paths for cooling the at least two of the heating members, respectively.
  • the cooking apparatus further comprises:
  • the cooking apparatus further comprises:
  • the heating members include the magnetron
  • the cooking apparatus includes a flow guide located on the cooling flow path for guiding a flow to the magnetron.
  • the cooking apparatus further comprises:
  • the cooking apparatus further comprises:
  • a cooking apparatus comprising: a cooking cavity; an upper space located over the cooking cavity; a rear space located behind the cooking cavity; and a cooling flow path extended from the rear space to the upper space.
  • the cooking apparatus further comprises:
  • the cooking apparatus further comprises:
  • the cooking apparatus comprises: a heating member located at the rear space and including at least one of a convection heater assembly, a magnetron, a high voltage transformer, and a high voltage capacitor; and a heater located at the upper space.
  • a cooking apparatus comprising: a cooking cavity; a door located in front of the cooking cavity and including a control panel; a rear space located behind the cooking space; and a cooling flow path extended from a lower portion of the rear space to an upper portion of the rear space to cool the rear space.
  • the cooking apparatus further comprises an upper space located over the cooking cavity, and the door is positioned to cover the upper space and the front surface of the cooking cavity.
  • the cooking apparatus further comprises:
  • the cooling flow path is extended from the rear space to the door.
  • the cooking apparatus further comprises:
  • the cooking apparatus further comprises:
  • 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.
  • FIGS. 5 and 6 schematically show a cooling flow path 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 turntable brings change to width and length (depth) of the cooking cavity 100, the modification of which is restricted by the turntable.
  • 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 a 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.
  • FIGS. 5 and 6 schematically show a cooling flow path according to the present invention.
  • flow generated from the rear space 400 travels to the lateral spaces 500 formed on both sides of the cooking cavity 100 via the upper space 300, while part of the flow comes out of the opening 151 and turns towards the door 200. Also, another part of the flow may turn towards the lateral spaces through the opening 162 formed in the rear frame 160.
  • the flow coming to the upper space 400 cools the heater 320 and the relay substrate 350.
  • the relay substrate 350 is provided to the insulating upper plate 340 along the direction of the flow, so as to minimize the hindrance to the flow.
  • the flow passing through the lateral spaces 500 turns towards the lower space 600, and is vented through the outlet 611 (refer to FIG.
  • a protective plate 612 may be connected to the base 610 at a distance so that the flow may be exhausted in the lateral directions.
  • the flow passing by the lateral spaces 500 guides the flow vented through the outlet 111 of the cooking cavity 100 to the lower space 600.
  • the air flow that comes through the opening 291 of the choke cover 290 travels between the front plate 220 and the middle plate 260 being guided by the bracket 270, and is vented through the outlet 242 formed in the bottom surface of the door panel 240.
  • the input sensing unit 230 (see FIG. 1 ) and the control panel 250 (see FIG. 1 ) covered by the bracket 270 can be protected from heat and air flow
  • one side of the middle plate 260 blocks heat through the air flow (Although the air flow is blocked by the bracket 270, the air flow serves to block heat transfer to the input sensing unit 230 and the control panel 240.)
  • the other side of the middle plate 260 blocks heat through a stagnant air layer. In result, heat generated from the cooking cavity 100 is blocked and not transferred to the outside of the door 200 or the handle 210 (see FIG. 1 ).
  • a cooking apparatus of the present invention can effectively cool the rear space of the cooking apparatus.
  • a cooking apparatus of the present invention can cool the rear space and the upper space of the cooking apparatus as well.
  • a cooking apparatus of the present invention can effectively cool the rear space, the upper space, and the door of the cooking apparatus.
  • a cooking apparatus of the present invention can cool the rear space of the cooking apparatus through a flow of traveling from a lower portion to an upper portion of the rear space.
  • a cooking apparatus of the present invention can remove heat and smells produced in a cooking cavity by using a flow of a cooling flow path formed in the rear space.
  • a cooking apparatus of the present invention can efficiently the rear space that should be formed due to the installation of a convection heater assembly behind the cooking cavity and can effectively cool the rear space through the cooling flow path established.
  • heating elements such as a magnetron, a high voltage transformer, a high voltage capacitor and the like can be arranged at a rear space, and can be cooled effectively.
  • a cooling fan is placed at a lower portion of a rear space of the cooking apparatus so that main components arranged along a cooling flow path created by the cooling fan can be cooled effectively.
  • a cooking apparatus of the present invention can increase the height and width of the cooking cavity by utilizing the rear space and can cool the rear space effectively.
  • a cooking apparatus of the present invention can adjust the height, width and depth of the cooking cavity by using a tray instead of a turn table and by utilizing the rear space of the cooking apparatus.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Electric Ovens (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Baking, Grill, Roasting (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Claims (15)

  1. Appareil de cuisson, comprenant :
    une cavité de cuisson (100) ;
    un espace arrière (400) situé derrière la cavité de cuisson ;
    un ventilateur de refroidissement (420) situé au niveau d'une partie inférieure de l'espace arrière ;
    une séparation (423) située dans l'espace arrière,
    caractérisé en ce que :
    la séparation (423) est située horizontalement au-dessus du ventilateur de refroidissement (420) de manière à diviser l'espace arrière en la partie inférieure au niveau de laquelle le ventilateur de refroidissement (420) est situé et une partie supérieure, la séparation (423) étant conçue pour empêcher un écoulement au-dessus du ventilateur de refroidissement (420) de s'écouler au-dessous du ventilateur de refroidissement (420) ; et
    un circuit d'écoulement du moyen de refroidissement généré par le ventilateur de refroidissement (420) au niveau de l'espace arrière et se prolongeant de la partie inférieure de l'espace arrière vers une partie supérieure de l'espace arrière, pour refroidir l'espace arrière.
  2. Appareil de cuisson selon la revendication 1, comprenant en outre :
    des éléments chauffants comprenant au moins deux éléments choisis parmi un ensemble de chauffage par convection (430), un magnétron (440), un transformateur haute tension (450) et un condensateur haute tension (460), au niveau de l'espace arrière.
  3. Appareil de cuisson selon la revendication 1 ou 2, dans lequel le circuit d'écoulement du moyen de refroidissement se compose d'au moins deux sous-circuits séparés pour le refroidissement respectif d'au moins deux des éléments chauffants.
  4. Appareil de cuisson selon la revendication 3, comprenant en outre :
    au moins deux ouvertures (424, 425) formées au niveau de la séparation (423) pour fournir les au moins deux sous-circuits séparés.
  5. Appareil de cuisson selon l'une quelconque des revendications 2 à 4, dans lequel les éléments chauffants comprennent le magnétron (440), et l'appareil de cuisson comprend un guide d'écoulement (442) situé sur le circuit d'écoulement du moyen de refroidissement pour guider un écoulement vers le magnétron (440).
  6. Appareil de cuisson selon l'une quelconque des revendications 1 à 5, comprenant en outre :
    une entrée (112) présente sur un côté de la cavité de cuisson (100) ; et
    un guide d'écoulement (442) situé sur le circuit d'écoulement du moyen de refroidissement pour guider un écoulement vers l'entrée.
  7. Appareil de cuisson selon la revendication 5, comprenant en outre :
    une entrée (112) présente sur un côté de la cavité de cuisson (100) ; et
    un guide d'écoulement (442) pour guider un écoulement sortant du magnétron (440) vers l'entrée (112).
  8. Appareil de cuisson selon l'une quelconque des revendications 1 à 7, comprenant en outre :
    un espace supérieur (300) situé au-dessus de la cavité de cuisson (100), le circuit d'écoulement du moyen de refroidissement se prolongeant de l'espace arrière (400) vers l'espace supérieur (300).
  9. Appareil de cuisson selon la revendication 8, comprenant en outre :
    un premier élément chauffant situé au niveau de l'espace arrière ; et
    un second élément chauffant situé au niveau de l'espace supérieur (300) et produisant plus de chaleur que le premier élément chauffant.
  10. Appareil de cuisson selon l'une quelconque des revendications 1 à 9, comprenant en outre :
    une porte (200) située devant la cavité de cuisson (100) et comprenant un panneau de commande.
  11. Appareil de cuisson selon la revendication 1, comprenant en outre :
    un espace supérieur (300) situé au-dessus de la cavité de cuisson (100), la porte (200) étant positionnée de sorte à recouvrir l'espace supérieur (300) et la surface avant de la cavité de cuisson (100).
  12. Appareil de cuisson selon la revendication 10 ou 11, dans lequel le circuit d'écoulement du moyen de refroidissement se prolonge de l'espace arrière (400) vers la porte (200).
  13. Appareil de cuisson selon l'une quelconque des revendications 1 à 12, comprenant en outre :
    un couvercle (410) entourant l'espace arrière (400) au niveau de laquelle une entrée (411) du circuit d'écoulement du moyen de refroidissement est formée.
  14. Appareil de cuisson selon la revendication 13, comprenant en outre :
    un cadre arrière (160) placé au niveau du côté arrière de la cavité de cuisson (100), le couvercle (410) étant relié au cadre arrière (160).
  15. Appareil de cuisson selon l'une quelconque des revendications 1 à 14, comprenant en outre :
    un espace inférieur (600) situé au-dessous de la cavité de cuisson ; et
    une base (610) formant la surface inférieure de l'espace inférieur.
EP06823996A 2006-09-12 2006-12-07 Appareil de cuisson Active EP2066974B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060088294A KR100872222B1 (ko) 2006-09-12 2006-09-12 조리기기
PCT/KR2006/005289 WO2008032900A1 (fr) 2006-09-12 2006-12-07 Appareil de cuisson

Publications (3)

Publication Number Publication Date
EP2066974A1 EP2066974A1 (fr) 2009-06-10
EP2066974A4 EP2066974A4 (fr) 2010-04-07
EP2066974B1 true EP2066974B1 (fr) 2011-09-14

Family

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EP06823996A Active EP2066974B1 (fr) 2006-09-12 2006-12-07 Appareil de cuisson

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EP (1) EP2066974B1 (fr)
KR (1) KR100872222B1 (fr)
CN (1) CN101512229B (fr)
AT (1) ATE524696T1 (fr)
ES (1) ES2371090T3 (fr)
MX (1) MX2009002676A (fr)
RU (1) RU2415344C2 (fr)
WO (1) WO2008032900A1 (fr)

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* Cited by examiner, † Cited by third party
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US8586900B2 (en) 2006-09-01 2013-11-19 Lg Electronics Inc. Cooking apparatus having cooling flow path
KR20080024025A (ko) 2006-09-12 2008-03-17 엘지전자 주식회사 조리기기
KR100901890B1 (ko) 2006-09-12 2009-06-10 엘지전자 주식회사 조리기기
EP2232152B1 (fr) * 2007-11-16 2017-08-09 LG Electronics Inc. Four à micro-ondes
US8546735B2 (en) * 2007-12-17 2013-10-01 Lg Electronics Inc. Microwave oven
JP2009270759A (ja) * 2008-05-07 2009-11-19 Panasonic Corp 高周波加熱装置
CN102878590A (zh) * 2008-08-29 2013-01-16 乐金电子(天津)电器有限公司 微波炉
CN103423784B (zh) * 2013-05-29 2016-04-20 中山东菱威力电器有限公司 一种微波炉简易降温系统
CN104613512B (zh) * 2013-11-01 2017-02-15 广东美的厨房电器制造有限公司 一种微波炉
CN112484082B (zh) * 2020-12-04 2022-11-29 佛山市顺德区美的洗涤电器制造有限公司 集成灶

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Publication number Priority date Publication date Assignee Title
GB1165535A (en) * 1965-10-13 1969-10-01 Microtherm Ltd Improvements in or relating to Microwave Ovens
JPS52103735A (en) * 1976-02-26 1977-08-31 Hitachi Heating Appliance Co Ltd High-frequency heater
JPS6042515A (ja) * 1984-07-05 1985-03-06 Matsushita Electric Ind Co Ltd 高周波加熱装置
JPS61165525A (ja) * 1985-01-16 1986-07-26 Matsushita Electric Ind Co Ltd 熱風循環ヒ−タ付高周波加熱装置
JPH0493521A (ja) * 1990-08-08 1992-03-26 Matsushita Electric Ind Co Ltd 高周波加熱調理器
KR950003729A (ko) * 1993-07-14 1995-02-17 배순훈 전자레인지의 도어 냉각구조
JPH07119973A (ja) * 1993-10-20 1995-05-12 Matsushita Electric Ind Co Ltd 高周波加熱装置
KR20010064859A (ko) * 1999-12-20 2001-07-11 구자홍 빌트인타입 전자레인지
JP2001208356A (ja) * 2000-01-26 2001-08-03 Sanyo Electric Co Ltd 電子レンジ
KR20050120474A (ko) * 2004-06-19 2005-12-22 삼성전자주식회사 전자렌지

Also Published As

Publication number Publication date
RU2415344C2 (ru) 2011-03-27
CN101512229B (zh) 2011-12-07
CN101512229A (zh) 2009-08-19
ATE524696T1 (de) 2011-09-15
EP2066974A4 (fr) 2010-04-07
KR100872222B1 (ko) 2008-12-05
RU2009113564A (ru) 2010-10-20
KR20080024027A (ko) 2008-03-17
WO2008032900A1 (fr) 2008-03-20
ES2371090T3 (es) 2011-12-27
EP2066974A1 (fr) 2009-06-10
MX2009002676A (es) 2009-03-24

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