KR101702667B1

KR101702667B1 - A cooking appliance

Info

Publication number: KR101702667B1
Application number: KR1020100084597A
Authority: KR
Inventors: 이승준
Original assignee: 엘지전자 주식회사
Priority date: 2010-08-31
Filing date: 2010-08-31
Publication date: 2017-02-03
Also published as: KR20120020769A

Abstract

The present invention relates to a cooking appliance having an improved cooling channel.
The present invention relates to a refrigerator having a main body having a cooking chamber, a door rotatably installed in the main body and selectively opening and closing the cooking chamber, and a flow path for air flowing therein, A first cooling fan disposed in the electric room and forced to flow the air, and a second fan disposed in the first electric room through which the air outside the main body flows into the electric room through the electric room suction port provided on the side of the electric room, A second flow path through which air outside the main body flows into the electrical equipment chamber through an air flow path inside the door, and air introduced into the electrical equipment chamber through the first flow path and the second flow path, And at least a part of the air guided to the third flow path is heated by the heating of the cooking chamber A main guide portion which is supplied to a heating means for allowing the heating means to be cooled and a subsidiary guide portion for allowing at least a part of the air guided by the heating means to be guided to the sealing portion of the heating means.
Thereby, there is an advantage that the cooling efficiency of the heating means is improved.

Description

A cooking appliance

The present invention relates to a cooking appliance related to a cooling channel.

A cooking appliance is configured to heat food using at least one of electricity and fuel as one of the kitchen appliances for cooking food.

To this end, the cooking appliance includes a cooking cavity in which the food is located and heating means for emitting heat toward the food.

In detail, the cooking space may be exposed to the outside in the form of a grill, a heating plate, or the like, or may be provided in the form of a closed space such as a cavity. The heating means may include a heater for generating heat, a magnetron for generating microwaves, and a burner for generating heat using combustion of fuel.

In addition, the closed cooking space is configured such that a front surface thereof is opened to allow food in / out, and a door is provided on the opened front surface. The door is rotated or slid to selectively open and close the cooking space.

In recent years, a built-in type cooking device has been developed and widely used to improve the utility of the kitchen interior and the kitchen space.

However, such a cooking device has a problem in that it is not easy to cool the electric components and the heating means due to the characteristics of the built-in installation structure.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a cooking apparatus which can more effectively cool the heating means.

The present invention relates to a refrigerator having a main body having a cooking chamber, a door rotatably installed in the main body and selectively opening and closing the cooking chamber, and a flow path for air flowing therein, A first cooling fan disposed in the electric room and forced to flow the air, and a second fan disposed in the first electric room through which the air outside the main body flows into the electric room through the electric room suction port provided on the side of the electric room, A second flow path through which air outside the main body flows into the electrical equipment chamber through an air flow path inside the door, and air introduced into the electrical equipment chamber through the first flow path and the second flow path, And at least a part of the air guided to the third flow path is heated by the heating of the cooking chamber A main guide portion which is supplied to the heating means for allowing the heating means to be cooled and at least a part of the air guided by the heating means is guided to the sealing portion of the heating means .

According to the present invention, one air passage from the lower side of the control panel to the outside of the cabin and the other air passage from the inside of the door to the cabin chamber are guided to the heating means by a single cooling fan, A part of the air guided by the heating means is guided to the sealing portion of the heating means through the auxiliary guide portion, so that the cooling of the heating means can be more effectively performed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an appearance of a cooking apparatus according to the present invention; FIG.
FIG. 2 is a view showing a part of an air inflow path for cooling the cooking apparatus according to the present invention; FIG.
FIG. 3 is a view showing the inside of an electric room of a cooking device according to the present invention. FIG.
FIG. 4 is a schematic view showing an air flow path for cooling in a first cooking section of a cooking apparatus according to the present invention; FIG.
5 is a view showing a plurality of guide portions for guiding the air flow of the cooking apparatus according to the present invention.
6 is a view showing the entire flow path of air for cooling the cooking apparatus according to the present invention;

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. It is to be understood, however, that the spirit of the invention is not limited to the embodiments shown and that those skilled in the art, upon reading and understanding the spirit of the invention, may easily suggest other embodiments within the scope of the same concept.

Fig. 1 is a view showing an appearance of a cooking apparatus according to the present invention.

Referring to the drawings, the main body of the cooking apparatus 1 according to the present invention is formed in a substantially rectangular shape and has upper and lower separate cooking spaces, and doors openable and closable individually are provided on the front side of the cooking space.

In detail, the cooking space is divided into a first cooking chamber 200 located on the upper side and a second cooking cavity 400 located on the lower side of the first cooking chamber 200, To be cooked.

A first door 220 is rotatably provided on the front side of the first cooking part 200 and a second door 420 is rotatably provided on the front side of the second cooking part 400.

In addition, a first electric room 600 having various control structures for cooking food is provided on the upper side of the first cooking chamber 200, and a control structure is controlled to the front side of the first electric room 600 A control unit 800 is provided. Although not shown, a second electric field chamber is also provided between the first cooking chamber 200 and the second cooking chamber 400.

The control unit 800 is electrically connected to the first and second electrical components chambers 600 and 600 so that control commands can be input to the first and second cooking parts 200 and 400, So that the control status of each cooking zone and the input information of the control command can be confirmed.

The main body of the cooking apparatus 1 according to the present invention may be provided with the electric cooking chamber and the control unit 800 as well as the first cooking chamber 200 and the second cooking chamber 400, A plurality of air flow paths for discharging air through a discharge port 110 provided below the cooking cavity 400 are provided.

Hereinafter, the air passage of the cooking apparatus 1 according to the present invention will be described in detail with reference to the drawings.

FIG. 2 is a view showing a part of the air inflow path for cooling the cooking apparatus according to the present invention, and FIG. 3 is a view showing the inside of the electric room of the cooking apparatus according to the present invention.

Referring to the drawing, first, a first electric room suction port 610 is provided at a rear side of the control unit 800 to allow air to flow into the first electric room 600, .

As shown in FIG. 2, the first electric room suction port 610 is formed by a plurality of elongated holes formed in the front side of the lower surface of the first electric field chamber 600 in the transverse direction.

A first cooking chamber 260 is provided in the first cooking chamber 200 and is a cooking cavity for cooking food. The first cooking cavity 260 is formed by a first cavity 240, and food is cooked on the upper surface of the first cavity 240. A first upper heater 270 is provided.

A first exhaust port 262 (see FIG. 4) for exhausting the air inside the first cooking chamber 260 is provided on the upper surface of the first upper heater 270 on the upper surface of the first cavity 240 do.

A first cooking cavity intake port 210 is provided on the upper surface of the first cooking cavity 200 to allow air to flow into the first electric cabinet 600.

The air introduced through the first cooking cavity intake port 210 is transferred along the upper side of the first cavity 240 and the lower side of the first electrical chamber 600 and flows through the first exhaust port 262 And is transferred to the first electric field chamber 600 together with air to be discharged.

The bottom surface of the first electrical component room 600 is formed by an insulator of a heat insulating material so as to prevent electrical components and control components provided therein from being damaged from heat generated by the cooking of the first cooking chamber 260.

A first cooling fan 620 for enforcing the flow of air is provided on the rear side of the first electrical equipment room 600.

The first cooling fan 620 is provided with a suction port and a discharge port in a direction different from each other to generate a flow of air inside the first electrical component chamber 600 and transfer the sucked air through the discharge port, 200 is cooled.

Of course, the first cooking chamber 260 can be smoothly discharged through the first exhaust port 262 (see FIG. 4) along with the flow of the air.

Hereinafter, for convenience of explanation, the flow path of the air flowing into the first electric room 600 through the first electric room suction port 610 will be referred to as a first flow path, and the flow path of the first door 220 The flow path of the air flowing into the first electric room 600 through the door passage 222 (see FIG. 4) and the first cooking cavity inlet 210 is called a second flow path.

As described above, the outside air flowing through the first flow path and the second flow path is discharged from the first electric room 600 by the first cooling fan 620 to cool the heating means, Is referred to as a third flow path.

That is, the third flow path cools the heating means for heating the first cooking chamber 260 by forcing the flow of air to the rear side of the first cavity 240.

FIG. 4 is a schematic view showing an air flow path for cooling in a first cooking section of a cooking apparatus according to the present invention.

Referring to the drawing, a first flow path for introducing outside air through the first electric room suction inlet 610 when the first cooling fan 620 is operated, Outside air flows into the first electric field chamber (600) by a second flow path through which the outside air flows through the first electric field chamber (210).

The electric components constituting the controller 800 are cooled by the ambient air introduced as described above.

Meanwhile, the outside air flowing through the first flow path and the second flow path is conveyed along the third flow path by the first cooling fan 620.

The third flow path is provided with a first upper heater 270 which is a heating means for heating the first cooking part 200 and a first lower heater 230 provided below the first cavity 240, 1, a first convection device is provided to supply hot air from the rear side of the cavity 240 so that food can be cooked.

The first convection heater 250 includes a first convection heater 250 disposed on the rear side of the first cavity 260 with a substantially circular ring-shaped carbon heater. The first convection heater 250 is disposed inside the first convection heater 250, And a first convection motor 256 for rotating the first convection fan 254 are included in the first convection fan 254.

A part of the air conveyed along the third flow path is guided to the first convection heater sealing part 252 for supplying power to the first convection heater 250 by a plurality of guide parts to be described below So that intensive cooling can be achieved.

That is, the air conveyed along the third flow path is guided to the first upper heater 270, which is the first heating means of the first cooking part 200, and the first convection heater 250, which is the second heating means, And a part of them are intensively guided to the first convection heater sealing part 252.

FIG. 5 is a view showing a plurality of guide portions for guiding the air flow of the cooking device according to the present invention, and FIG. 6 is a view showing the entire flow path of air for cooling the cooking device according to the present invention. .

Referring to these drawings, a plurality of guide portions for guiding the movement of the air conveyed along the third flow path is provided on the rear side of the first cooking portion 200 and the second cooking portion 400.

A first main guide portion 280 is formed on the rear side of the first cooking part 200 and extends in the direction of the second cooking part 400 starting from the lower center of the discharge opening of the first cooling fan 620, .

The first auxiliary guide part 280 is formed on the left side of the first main guide part 280 in a direction from the left end of the discharge port of the first cooling fan 620 toward the first main guide part 280, (290).

The first auxiliary guide portion 290 guides the conveying direction of a part of the air divided by the first main guide portion 280 to concentrate the discharged air, and a part of the air is returned to the first convection heater bag So that the first convection heater sealing part 252 can be intensively cooled.

A first branch hole 292 in which a part of the first auxiliary guide 290 is removed and a second branch hole 292 in which air introduced into the first branch hole 292 is connected to the first convection heater encapsulant 252, The first branch rib 294 can be guided to the first branch rib 294.

That is, the first branch rib 294 extends from the first branch hole 292 toward the first convection heater seal 252. Accordingly, the air discharged from the first cooling fan 620 is conveyed along the first branch ribs 294 to intensively cool the first convection heater encapsulant 252.

The second cooking chamber 400 is also provided with an air flow path for cooling the front cooking chamber and the heating means, like the first cooking chamber 200.

To this end, a second electric room suction port (not shown) is provided in the second electric room provided in the first and second cooking parts 200 and 400 so that outside air can be introduced into the second electric room, A second cooking cavity inlet 410 is provided on the front side of the cooking cavity.

The second door 420 is also provided with a second door passage (not shown) like the first door 220.

Accordingly, the second cooking chamber 400 also has a fourth flow path through which the air outside the main body flows into the second electric room through the second electric room suction port (not shown) And a fifth flow path through which air outside the main body flows into the second electrical equipment chamber along the air flow path is formed.

Meanwhile, the second cooling fan 640 provided in the second electrical equipment room forcibly transfers the air introduced through the fourth and fifth flow paths, thereby cooling the electrical components inside the second electrical equipment room.

As described above, the air cooled inside the second electrical equipment chamber is conveyed along the sixth flow path for cooling the heating means constituting the second cooking chamber 400.

That is, in the sixth flow path, the second upper heater serving as the first heating means of the second cooking part 400 and the second convection heater serving as the second heating means, like the third flow path of the first cooking part 200, A plurality of guide portions are provided for guiding.

In detail, a plate-shaped second main guide part 480 is formed on the rear side of the second cooking part 400 to extend downward from the center of the discharge opening of the second cooling fan 640. A second auxiliary guide portion 490 is formed on the left side of the discharge opening of the second cooling fan 640 so as to extend toward the second main guide portion 480, Thereby concentrating the cold air to be discharged.

A second branch hole 492 is formed in the second auxiliary guide portion 490 so that the second branch hole 492 is formed to extend from one side of the second branch hole 492 toward the second convection heater sealing portion 452 Shaped second branch rib 494 is provided.

A part of the air discharged from the discharge portion of the second cooling fan 640 is guided toward the heating means of the second cooking part 400 by the second main guide part 480, The second convection heater sealing part 454 concentrically cools the second convection heater sealing part 452 by guiding part of the discharged air to the second convection heater sealing part 452 again.

Therefore, in the cooking apparatus 1 according to the present invention, the air outside the main body is supplied to the first and second electric room 600 and the second electric room through the flow paths Inhale. The air sucked into each electric room can be sufficiently discharged by the cooling fan provided in each electric room to cool the heating means, thereby sufficiently supplying air for cooling the heating means.

In addition, as described above, the air for cooling the heating means is concentratedly guided to the sealing portion of the heating means by the plurality of guide portions, so that the heating means provided for each cooking portion can be more effectively cooled.

200 ..... first cooker 210 ..... first cooker inlet
250 ..... first convection heater 252 ..... first convection heater sealing part
280 ..... first main guide part 290 ..... first auxiliary guide part
292 ..... first branch hole 294 ..... first branch rib
400 ..... second cooking part 410 ..... second cooking part intake
452 ..... second convection heater seal part 480 ..... second main guide part
490 ..... second auxiliary guide portion 492 ..... second branch hole
494 ..... second branch rib 600 ..... first electric field room
610 ..... First electric room inlet port 620 ..... First cooling fan
640 ..... second cooling fan

Claims

A body provided with a cooking chamber;
A door rotatably provided in the main body and selectively opening and closing the cooking chamber and having a flow path for air therein;
An electric field chamber provided on the upper side of the main body to receive a control structure for controlling the temperature of the cooking chamber;
An electric field room inlet provided at one side of the electric field chamber and through which air outside the body flows;
A cooling fan provided in the electric compartment and forcing the flow of air;
A first flow path through which the air introduced through the electric room inlet can cool the control configuration;
A second flow path which is separated from the first flow path and into which the air outside the main body flows into the electric field chamber through an air flow path inside the door; And
And a third flow path for guiding air introduced into the electric room through the first flow path and the second flow path to a rear lower end of the main body using the cooling fan,
At least a part of the air guided to the third flow path is supplied to a heating means for heating the cooking chamber so that the heating means can be cooled,
Wherein at least a part of the air guided to the heating means is guided to the sealing portion of the heating means.

The method according to claim 1,
Wherein the main guide portion is elongated from a discharge portion of the cooling fan to a lower side of the main body.

2. The apparatus according to claim 1,
The main guide portion being spaced apart from the main guide portion and being inclined from one end of the discharge portion of the cooling fan toward the main guide portion.

4. The apparatus according to claim 3,
A branch hole formed by removing a portion thereof,
And a branching rib that allows the air introduced into the branching hole to be guided to the sealing portion.

The heating device according to claim 1,
A carbon heater positioned at a rear side of the cooking cavity and radiating heat into the cooking cavity;
And a convection fan for supplying hot air from one side of the carbon heater to the inside of the cooking chamber.

A main body including a first cooking part provided on the upper side and a second cooking part provided on the lower side of the first cooking part;
A first door rotatably installed at one side of the first cooking unit and having a flow path for air therein;
A second door rotatably installed at one side of the second cooking chamber and having a flow path for air therein;
A first electric field chamber provided above the first cooking chamber and receiving a control configuration for controlling the temperature of the first cooking chamber;
A second electric field chamber provided between a lower side of the first cooking chamber and the second cooking chamber and receiving a control configuration for controlling the temperature of the second cooking chamber;
A first cooling fan and a second cooling fan respectively installed in the first and second electric filed rooms for enforcing the flow of air;
A first electric room air inlet provided at one side of the first electric room and through which air flows outside the main body;
A second electric room suction port provided at one side of the second electric room and through which the air outside the main body flows;
A first flow path through which air introduced through the first electric room suction port can cool a control configuration of the first electric room;
A second flow path which is separated from the first flow path and in which air outside the main body flows into the first electric filed chamber along the air flow path of the first door;
A third flow path for guiding air introduced into the first electric room through the first flow path and the second flow path to a rear lower end of the first cooking part using the first cooling fan;
A fourth flow path through which the air introduced through the second electric chamber suction port can cool the control configuration of the second electric field chamber;
A fifth flow path which is separated from the fourth flow path and into which the air outside the main body flows into the second electric field chamber along the air flow path of the second door;
And a sixth flow path for guiding air introduced into the second electric room through the fourth flow path and the fifth flow path to a rear lower end of the second cooking part using the second cooling fan,
In the third flow path and the sixth flow path,
At least a part of the guided air is guided to the first heating means and the second heating means for heating the first cooking section and the second cooking section, respectively, so that the first heating means and the second heating means can be cooled, A main guide portion, a second main guide portion,
Wherein at least a part of the air guided to each of the heating means includes a first auxiliary guide portion and a second auxiliary guide portion for guiding the air to the sealing portion of each of the heating means.

[7] The apparatus of claim 6, wherein the first auxiliary guide portion and the second auxiliary guide portion include:
A first branch hole and a second branch hole are formed in which a portion of the first branch hole is removed,
Wherein the first branching hole and the second branching hole are provided with a first branching rib and a second branching rib which allow the air introduced respectively to be guided to the sealing portion of the first heating means and the sealing portion of the second heating means, .