KR101626622B1

KR101626622B1 - Cooking appliance

Info

Publication number: KR101626622B1
Application number: KR1020090135834A
Authority: KR
Inventors: 이승준
Original assignee: 엘지전자 주식회사
Priority date: 2009-12-31
Filing date: 2009-12-31
Publication date: 2016-06-01
Also published as: KR20110078914A

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cooking device, and more particularly, to a cooking device in which foreign matter is prevented from penetrating into an inner space of a door.

A cooking device according to the present invention includes: a cooking chamber for providing a cooking space for food; A door selectively opening and closing the cooking chamber; A front window having a relatively frontward position for viewing the interior space of the cooking chamber, a rear glass positioned relatively rearward, and a support frame supporting the front glass and the rear glass; And a sealing member interposed between the rear glass and the support frame to prevent moisture from penetrating into the inner space of the viewing window; . In the cooking apparatus according to the present invention, the penetration of foreign matter into the inner space of the door is prevented.

A cooking device, a door, a viewing window, a supporting frame, a rear glass, a sealing member

Description

Cooking appliance

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cooking appliance, and more particularly, to a door of a cooking appliance in which moisture infiltration is prevented.

A cooking device is one of household appliances for cooking food, and is installed in a kitchen space to cook food according to a user's intention. Such cooking devices can be classified into various types according to the heat source or type used and the type of fuel.

The cooking device can be classified into an open type and a closed type cooking device depending on the type of the space in which the food is placed. The closed cooking device includes an oven, a microwave oven, and the like. The open cooking device includes a cook top and a hop.

The closed type cooking device is a cooking device which shields a space where food is placed and cooks food by heating the shielded space. The open type cooking device is a cooking device in which a container containing food or food is placed in an open space and a food or a food container is heated to cook food.

The closed-type cooking apparatus is provided with a cooking chamber, which is a space in which the food is placed while the food is being cooked. Such a cooking chamber becomes a space where food is substantially cooked. A heat source is provided in the inner or outer space of the cooking chamber to heat the cooking chamber.

2. Description of the Related Art Recently, a closed type cooking device and an open type cooking device are installed at the same time, and a plurality of heat sources are combined, so that various cooking utensils and a plurality of foods can be cooked at the same time. Such a cooking apparatus in which a plurality of heat sources are installed is accompanied by a flow path of cooling air for cooling a plurality of heat sources and electrical components.

In the complex cooking device, the open type cooking appliance is located above the closed cooking device. Also, the open type cooking device is provided with a plurality of heaters or burners, and is installed so that a plurality of dishes can be cooked at the same time.

On the other hand, in the closed type cooking device, food is cooked in the internal space of the cooking chamber, and when the food is cooked, steam is generated as the food is heated. Moisture is generated in the door that selectively opens and closes the cooking chamber by the water vapor.

In this way, the moisture generated on the surface of the door drops downward along the surface of the door and permeates into the inner space of the door.

The present invention proposes a cooking appliance in which penetration of moisture into the inner space of the door is prevented.

A cooking device according to the present invention includes: a cooking chamber for providing a cooking space for food; A door selectively opening and closing the cooking chamber; A front window having a relatively frontward position for viewing the interior space of the cooking chamber, a rear glass positioned relatively rearward, and a support frame supporting the front glass and the rear glass; And a sealing member interposed between the rear glass and the support frame to prevent moisture from penetrating into the inner space of the viewing window; .

According to the cooking apparatus of the present invention as described above, it is possible to prevent the moisture from being penetrated by the door that opens and closes the space where the food is cooked, thereby preventing moisture from being generated inside the door.

In addition, since the moisture inside the door is prevented from being generated, the convenience of use using the cooking device can be expected to be improved.

Also, since the moisture inside the door is prevented from being generated, the service cost of the cooking device can be reduced, and the service time can be expected to be reduced.

It is possible to expect an effect of increasing the period of use of the cooking appliance by preventing moisture from being generated inside the door, and an effect of improving sanitary and cleanliness can be expected.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

It is to be understood, however, that the scope of the present invention is not limited by the embodiments described below, and those skilled in the art of the present invention, other than the scope of the present invention, But this is also included in the spirit of the present invention.

Hereinafter, an electric oven range will be described with reference to embodiments for convenience of description. However, the present invention is not limited to the electric oven range but may be applied to a cooking device having a door.

In addition, the terms used in the present specification or claims should be interpreted appropriately in accordance with the technical idea of the present invention when grasping the technical content of the present invention.

FIG. 1 is a perspective view showing the external appearance of a cooking device according to an embodiment of the present invention, and FIG. 2 is a side sectional view showing an internal configuration of a cooking device according to an embodiment of the present invention.

Referring to these drawings, the cooking apparatus according to the present invention forms an outer appearance by the main body 10. [ The main body 10 has a substantially rectangular parallelepiped shape and is formed of a material having a predetermined strength. This is to protect a plurality of parts installed in the internal space of the main body 10 from external impacts.

The main body 10 includes a cooktop portion 20 for heating a food or food placed on the upper side and cooking food, an oven portion 30 for heating the inside space in which the food or the container containing the food is placed, And a control unit 50 for controlling the oven unit 30 and the drawer unit 40. The control unit 50 controls the oven unit 30 and the drawer unit 40, ).

The cook top (20) is installed at the upper end of the main body (10). The cook top part 20 is a part for cooking food by heating the open space, that is, a container containing food or food placed on the upper side.

The cook top part 20 includes a top glass 21 for supporting a container containing food or food to be cooked while forming an upper surface appearance and a food or food container supported by the top glass 21, A cooktop heater 22 for emitting heat and a cooktop case (not shown) for providing a space in which the cooktop heater 22 is located.

The upper surface glass 21 is made of a ceramic material having a predetermined thickness and excellent heat resistance. The upper surface glass 21 secures the safety of the user while supporting the upper side food or food container.

On top of the upper surface glass 21, there is provided a tri-comb in which a container containing food or food is supported. The tribris is supported on the upper surface of the upper surface glass 21 and supports the food or the food container from the lower side.

The cooktop case (not shown) has a predetermined inner space and is formed in the shape of a hexahedron whose upper surface is opened. The upper glass 21 is positioned on the open upper surface of the cooktop case to cover the inner space of the cooktop case.

A plurality of the cooktop heaters 22 are installed in the inner space of the cooktop case. The cook top heater 22 is formed as a disk having a predetermined height and a predetermined inner space as a whole. The cook top heater 22 functions to dissipate heat to heat the food or the food container to be cooked. That is, the cooktop heater 22 radiates heat by a supplied external power source to heat food or food containers located above the upper surface glass 21 to cook foods.

The cook top heaters 22 are installed to have different outputs so that the user can cook food using the cook top heater 22 suitable for the amount or volume of food. The cook top heater 22 is installed in close contact with the lower surface of the upper surface glass 21 so that heat to be radiated is transmitted to the upper surface glass 21 well.

A supporter (not shown) is provided on the lower side of the cooktop heater 22 to support the upper surface of the cooktop heater 22 so as to be in close contact with the lower surface of the upper surface glass 21. And the cook top heater 22 is supported by the supporter (not shown) so as to be in close contact with the lower surface of the upper surface glass 21. [

An oven (30) is installed below the cooktop (20). The oven unit 30 includes a cooking chamber 31 for providing a space in which the yin and yang plants are cooked, a door 60 for selectively opening and closing the cooking chamber 31, Of the heater.

The cooking chamber 31 is in the form of a hexahedron having an open front face and the door 60 is rotatably installed on the opened front face to selectively open and close the cooking chamber 31.

The user places the food or food container to be cooked in the inner space of the cooking chamber 31 and then shields the cooking chamber 31 and heats the shielded cooking chamber 31 to cook food.

Accordingly, the inside space of the cooking chamber 31 provides a space in which the food is cooked.

An upper heater 32 for heating the inner space of the cooking chamber 31 from above is provided on the upper side of the cooking chamber 31 or the upper end of the inner space of the cooking chamber 31. A lower heater 33 for heating the inner space of the cooking chamber 31 from below is provided below the cooking chamber 31.

Further, a convection unit 34 for heating the internal space of the cooking chamber 31 by convecting hot air is further provided on the rear or rear side of the internal space of the cooking chamber 31. The convection part (34) forces air in the space inside the cooking chamber (31) to flow.

In other words, the air in the internal space of the cooking chamber 31 is sucked and heated, and then the air flows while discharging the air into the internal space of the cooking chamber 31, thereby heating the internal space of the cooking chamber 31. The food in the inner space of the cooking chamber 31 is uniformly heated by the flow of air by the convection portion 34.

A drawer (40) is installed below the oven part (30). The drawer 40 is provided with an inner space in which food is placed, and functions to heat the inner space to heat the food or to keep the food in a warm state.

A handle 41 for gripping a user is provided on the front surface of the drawer 40. When the user grips the handle 41 to move the drawer forward, the drawer 40 slides forward to open the inner space. The drawer (40) places the food in the inner space and moves the drawer backward to shield the inner space of the drawer (40), and then warms or warms the food.

The drawer (40) is provided with a draw heater (42) on the upper side and / or the lower side of the inner space. The inner space of the drawer (40) is heated to a predetermined temperature by the draw heater (42). In this way, the drawer 40 can heat the food or keep it warm by the heat emitted from the draw heater 42.

A control panel 51 is located on the front surface of the cooktop 20, that is, above the door 32. The control panel 51 is in the form of a hexahedron having a predetermined internal space. An input unit 52 is provided on the front surface of the control panel 51 to allow a user to input operation signals for operating the cook top unit 20, the oven unit 30 and the draw unit 40.

The input unit 52 is provided with a plurality of operation switches so that the user can directly input operation signals. Of course, the input unit 52 may have any type of configuration such as a touch screen type or a button type instead of a plurality of operation switch types.

Further, the control panel 51 further includes a display unit for providing operation information of the main body 10, cooking information of food, and the like to the user. The display unit allows the user to check various information in the external space.

A space 50 is formed in the space between the cooktop 20 and the oven 30 to provide space in which a plurality of electrical components are located. The control panel (51) is located on the front surface of the front part (50). Therefore, the control panel 51 substantially shields the front surface of the electric field chamber 50. [

FIG. 3 is an exploded perspective view showing a door of a cooking apparatus according to an embodiment of the present invention, FIG. 4 is an exploded perspective view illustrating a door structure of a cooking apparatus according to an embodiment of the present invention, Fig. 7 is a side sectional view showing the door of the cooking apparatus.

Referring to these drawings, a door 60 for selectively opening and closing the cooking chamber 31 is installed in the oven 30. The door 60 is formed in a hexahedron shape having a predetermined thickness as a whole.

The door 60 is rotatably installed in front of the cooking chamber 31 and a handle 61 is provided on a front surface of the door 60 so that the user can grasp the door 60 when the door 60 is rotated. The user can easily rotate the door 60 by the handle 61.

A front window 64 is positioned on the front and rear central portions of the door 60 so that the user can check whether the food is cooked or the internal space of the cooking chamber 31 without rotating the door 60. Accordingly, the user can confirm the inner space of the cooking chamber 31 through the viewing window 64. [

Referring to FIG. 3, the front surface of the door 60 is provided with a front panel 62 forming a front surface. The front panel 62 is made of a transparent glass material in the form of a rectangular plate having a predetermined thickness. Of course, the front panel 62 may be formed of a material other than glass. However, the central portion of the front panel 62 should be formed so that the user can check the inner space of the cooking chamber 31.

In other words, the front panel 62 is formed of a transparent glass material as a whole or a central portion thereof is cut so that the user can check the inner space of the cooking chamber 31.

In the embodiment of the present invention, the front panel 62 is formed of a transparent glass material.

A front frame 63 having a predetermined inner space is positioned on the rear side of the front panel 62. The front frame 63 is formed in such a manner that at least a central portion thereof is cut out. The user can confirm the inner space of the cooking chamber 31 through the central portion.

The inner space of the front frame (63) is filled with a heat insulating material. The heat insulating material prevents the heat of hot air, which is emitted from the internal space of the cooking chamber 31, from being transmitted to the front panel 62.

The heat of the cooking chamber 31 is blocked by the heat insulating material, and when the user rotates the door 60, safety of the user by the hot air can be ensured. Such a heat insulating material is a heat insulating material of a flame retardant material, specifically, an inorganic material, which can block heat while being resistant to heat emitted from the cooking chamber 31.

In addition, the cut-out central portion of the front frame 63 is stepped so that the sight window 64 is seated. The viewing window 64 has a configuration including a front glass 641, a rear glass 642, and a support frame 643 for supporting the glass.

The front glass 641 and the rear glass 642 are coated with a special paint or film for reflecting heat on the outer surface of the tempered glass in which the surface is compressed and deformed by heating the ordinary glass to a high temperature and quenched .

Of course, it is also possible to form it by other methods, but it is preferable that the glass is capable of performing the function of reflecting the heat emitted from the cooking chamber 31 in consideration of the physical properties of strength, impact resistance and heat resistance.

The front glass 641 and the rear glass 642 reflect the heat radiated from the inner space of the cooking chamber 31 to the inner space of the cooking chamber 31, It has the advantage of preventing the loss and maintaining the temperature so that food can be cooked.

A rear frame 65, which forms the rear surface of the door 60, is located on the rear side of the viewing window 64. The rear frame 65 is formed in the form of a rectangular plate having a predetermined thickness as a whole and being cut off at the central portion thereof.

The rear frame 65 is one of the portions most affected by the heat emitted from the inner space of the cooking chamber 31. Therefore, it is made of a material having a predetermined strength while being resistant to heat.

The central frame portion of the rear frame 65 is formed to step backward. In this way, a portion of the rear edge of the viewing window 64 is positioned at a stepped portion, and the position is fixed by the stepped portion of the viewing window 64. [

The forward movement of the viewing window 64 is limited by the central portion of the front frame 63. The rear window 64 is positioned between the front frame 63 and the rear frame 65 while the rear window 64 is limited in the rearward movement of the viewing window 64 by the central rim of the rear frame 64.

On the other hand, the distance between the front glass 641 and the rear glass 642 is held by the support frame 643. The support frame 643 is provided with a seating groove 645 in which the front glass 641 and the rim of the rear glass 642 are seated.

The front glass 641 and the upper and lower ends of the rear glass 642 are accommodated in the seating groove 645 and the glass 641 and 642 are supported by the support frame 643.

In addition, the support frame 643 is provided with a gap maintaining portion 644 for maintaining the gap between the glass plates 641 and 642 at a predetermined interval. The gap holding portion 644 is formed to protrude inward between the seating groove and the seating groove.

A rear portion of the rear glass 642 is provided with a mounting groove for receiving a rim portion of the front glass 641 in front of the space holding portion 644, Is formed.

The front surface of the gap holding portion 644 is in contact with the rear surface of the front glass 641 to support the front glass 641 and the rear surface of the gap holding portion 644 is in contact with the rear glass 642 And supports the rear glass 642 while contacting the front surface.

At this time, the gap between the front glass 641 and the rear glass 642 is kept constant by the gap holding part 644.

A sealing member 70 is provided between the rear glass 642 and the seating groove. The sealing member 70 is made of a material having a predetermined self-elasticity, and is positioned between the rear lower edge portion of the rear glass 642 and the seating groove.

The sealing member 70 is made of a silicone rubber having adhesiveness and elasticity. Of course, a structure formed of a material other than silicone rubber is also possible. However, it is preferable that it is made of a material having strong heat resistance, self-elasticity and high corrosion resistance.

The sealing member 70 is fixed by fitting to a portion of the rear glass 642 which forms the rear surface of the seating groove in which the rear edge portion of the lower end of the rear glass 642 is housed. That is, the sealing member 70 is fitted downward from the upper end of the rear surface of the seating groove, which is bent upward, to seal between the lower surface of the rear surface of the rear glass 642 and the upper surface of the rear end of the seating groove.

Of course, the sealing member 70 is located in the inner space of the mounting groove, and is positioned between the rear lower surface of the rear glass 642 and the rear surface of the mounting groove, so that the curved portion of the mounting groove and the rear glass 642 May be formed so as to be close to each other.

However, it is preferable that the upper surface of the sealing member 70 is positioned higher than the upper end of the seating groove. This is to prevent moisture or the like falling along the rear surface of the rear glass 642 from flowing into the inner space of the mounting recess.

Even when the sealing member 70 is located in the inner space of the seating groove, the upper surface of the sealing member 70 is provided so as to be positioned higher than the upper end of the rear end of the seating groove.

At this time, the front surface of the sealing member 70 is positioned closely to the rear surface of the rear glass 642. This is to prevent the moisture falling along the rear surface of the rear glass 642 from flowing into the inside of the mounting recess.

The sealing member 70 is formed with a coupling guide portion 71 for guiding the sealing member 70 to be coupled to the upper end of the supporting frame 643. The engaging guide portion 71 is formed to have a predetermined length upward from the lower surface of the sealing member 70. And the sealing member 70 is easily fitted to the support frame 643 by the coupling guide 71. [

That is, when the upper end portion of the support frame 643 is fitted into the engaging guide portion 71 cut upward at a lower end of the closure member 70 to a predetermined length, the downward movement of the closure member 70 So that the sealing member 70 is easily engaged.

At this time, the front surface of the sealing member 70 and the rear surface of the rear glass 642 are close to each other.

When the rear glass 642 is accommodated in the seating groove 645 from above in a state where the sealing member 70 is engaged with the supporting frame 643 by the coupling guide 71, It is possible to prevent the closure member 70 from being warped.

The sealing member 70 may be configured such that a foreign substance such as moisture moving between the rear surface of the rear glass 642 and the support frame 643 is separated from the inner space of the support frame 643, Thereby preventing movement of the inner space.

The sealing member 70 includes a first portion positioned between the rear glass 642 and the support frame 643 and a second portion positioned between the rear glass 642 and the support frame 643, And the engagement guide portion (71) located between the first portion and the second portion.

The foreign matter moving downward along the rear surface of the rear glass 642 is prevented from moving into the inside of the support frame 643 by the first portion. Further, the first portion is prevented from moving to the inner space of the support frame 643 by the second portion.

That is, the second portion is positioned in the outer space of the support frame 643 to restrict the movement of the first portion. Of course, the second portion may be fixed to the support frame 643 by a member such as an adhesive.

The engaging guide portion 71 is formed between the first portion and the second portion to guide the engagement of the sealing member 70. In detail, the engaging guide portion 71 is cut so as to have a predetermined cross-sectional area, and the sealing member 70 is fitted to the supporting frame 643 by the cut portion.

The foreign matter including the moisture moving downward along the rear surface of the rear glass 642 by the upper surface of the first portion and the upper surface of the second portion due to the fitting of the sealing member 70, It is prevented from flowing into the space.

Hereinafter, the operation of the cooking apparatus according to the present invention will be described.

The user places the food to be cooked in the inner space of the cooking chamber 31 and then rotates the door 60 to shield the inner space of the cooking chamber 31. At this time, the upper heater 32, the lower heater 33, and the convection unit 34 are driven to heat the inner space of the cooking chamber 31.

When the internal space of the cooking chamber 31 is heated, the food to be cooked is cooked, and combustion gas such as moisture is generated due to a temperature difference between the external space and the internal space of the cooking chamber 31.

At this time, moisture is generated by the temperature difference on the rear surface of the door (60), and the moisture moves downward along the rear surface of the door (60). Moisture moving downward along the rear surface of the door 60 drops to the lower surface or the outer space of the cooking chamber 31.

Moisture falling onto the lower surface or the outer space of the cooking chamber (31) evaporates due to heat emitted from the cooking chamber (31).

The moisture that moves along the center rear surface of the rear panel 65 forming the rear surface of the door 60 is moved downward so that the rear surface of the rear window glass 642 As shown in FIG.

Moisture moving downward along the rear surface of the rear glass 642 is restricted downward movement by the upper surface of the sealing member 70 and moves downward along the rear surface of the sealing member 70, To the inner space or the outer space.

Meanwhile, the sealing member 70 is coupled to the rear end of the support frame 643 from the upper side of the rear end portion bent upward. The rear glass 642 is fitted into the seating groove of the support frame 643 so that the sealing member 70 is engaged with the rear surface of the rear glass 642, And is interposed between the frame 643.

According to the cooking apparatus of the present invention configured as described above, the effect of preventing foreign matter such as moisture from entering the internal space of the door can be expected.

It is possible to prevent corrosion and pollution of the door by preventing foreign matter from entering into the internal space of the door, and as a result, it is possible to expect an effect of reducing the service cost and time according to the use of the product.

Further, since the contamination of the door is prevented, an effect of extending the service life of the product can be expected, and the effect of improving the cleanliness and hygiene of the product can be expected. Accordingly, it is possible to prevent odor from being generated in the inner space of the door.

Moisture is prevented from flowing into the inner space of the door so that the moisture formed in the transparent window disappears. Accordingly, the user can expect an effect of facilitating identification of the inner space of the cooking chamber.

As described above, since the internal space of the cooking chamber can be easily confirmed, the convenience of use is improved and the effect of solving the emotional complaint of the user can be expected.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing the external appearance of a cooking apparatus according to an embodiment of the present invention; Fig.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

3 is a perspective view showing a door of a cooking device according to an embodiment of the present invention;

4 is an exploded perspective view showing a door structure of a cooking device according to an embodiment of the present invention.

FIG. 5 is a side sectional view showing a window provided in a door of a cooking apparatus according to an embodiment of the present invention; FIG.

Claims

A cooking chamber for providing a cooking space for food;

A door selectively opening and closing the cooking chamber;

A viewing window provided on the door and having a front glass positioned relatively forward for viewing the interior space of the cooking chamber, a rear glass positioned relatively rearward, and a support frame supporting the front glass and the rear glass; And

A sealing member having a coupling guide portion provided so as to be interposed between the rear glass and the support frame; / RTI >

Wherein a part of the support frame is fitted to the coupling guide part to prevent penetration of moisture into the inner space of the viewing window.

delete

The method according to claim 1,

Wherein a part of the sealing member is positioned between the rear surface of the rear glass and the support frame.

The method according to claim 1,

Wherein the upper end of the sealing member is located above the upper end of the support frame located on the rear side of the rear glass.

The method according to claim 1,

Wherein the sealing member restricts downward movement of foreign matter moving along the rear surface of the rear glass.

The method according to claim 1,

The sealing member

A first portion positioned between the rear glass and the support frame; And

A second portion located in an outer space of the support frame,

And the engaging guide portion is located between the first portion and the second portion.