KR101627376B1

KR101627376B1 - Microwave oven having hood

Info

Publication number: KR101627376B1
Application number: KR1020090119672A
Authority: KR
Inventors: 박용호; 신영일; 신상철
Original assignee: 엘지전자 주식회사
Priority date: 2009-12-04
Filing date: 2009-12-04
Publication date: 2016-06-03
Also published as: KR20110062832A

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a microwave oven, and more particularly, to a microwave oven combined with a hood provided with a member that simultaneously divides a flow space of air and guides airflow.

A microwave oven combined with a hood according to the present invention comprises: a body forming an outer appearance; A blowing fan located in an inner space of the main body and sucking and exhausting outside air; A cooking chamber located in an inner space of the main body and providing a cooking space for food; A first member for separating a flow space of the air by the blowing fan and at least a side space of the cooking chamber into an upper space and a lower space; And a second member for separating a flow space of the air sucked in a direction different from a flow space of air sucked in the lower portion of the main body; . According to the microwave oven combined with a hood according to the present invention, the number of parts of the product is reduced, so that productivity and assemblability are improved, and safety is improved.

A microwave oven, a hood, a first member, a second member, a guide,

Description

Microwave oven having hood < RTI ID = 0.0 >

Microwave ovens are one of the cooking appliances that heat and cook food by means of heat emitted from a high frequency and / or a heater called a microwave. The microwave oven is provided with a magnetron which generates a high frequency for heating the food by oscillating the high frequency by the supplied power source.

The microwave oven shields a cooking chamber for providing a cooking space for food to be cooked, and then irradiates a high frequency generated from the magnetron into an internal space of the shielded cooking chamber to cook food by heating the food.

Also, in recent years, various heating sources are installed for quick and efficient cooking. Such a heating source is provided with various heating sources for rapid and efficient cooking, such as a magnetron for emitting a high frequency and a heater for radiating heat by supplied electricity.

In this way, various heat sources are installed to heat the food to be cooked, so that the cooking time of the food can be shortened. However, in order to cool various heat sources and a large number of components, the flow of cooling air must be accompanied.

A microwave oven having a hood function of discharging air containing exhaust gas generated in the process of cooking food in a cooking device provided below the microwave oven to the outside, Range or OTR (Over The Range) type microwave oven. In the hood-use microwave oven, an air flow path for the hood function is formed including the flow of cooling air.

The hood combination microwave oven further includes an air flow path for the hood function to have an air flow path different from that of a general microwave oven, A phenomenon in which the length of the contact surface becomes longer is generated.

The hood-use microwave oven further includes an air flow path for the hood function. The air flow path is divided into a part for separating the air flowing space for the hood function and the air flowing space for cooling the plurality of electric parts, A phenomenon occurs in which a portion for providing a part for the user is required to be provided.

The present invention proposes a hood-use microwave oven provided with a member that simultaneously performs a flow space for air for cooling electric components, a flow space for air for a hood function, and a function for guiding cooling air in the electric room .

In the present invention, a connection line for electrical connection of electrical components is fixed to a member that performs a function of air flow space for cooling electric component, air flow space for hood function, and cooling air guide component A hood combined microwave oven.

A microwave oven combined with a hood according to the present invention comprises: a body forming an outer appearance; A blowing fan located in an inner space of the main body and sucking and exhausting outside air; A cooking chamber located in an inner space of the main body and providing a cooking space for food; A first member for separating a flow space of the air by the blowing fan and at least a side space of the cooking chamber into an upper space and a lower space; And a second member for separating a flow space of the air sucked in a direction different from a flow space of air sucked in the lower portion of the main body; .

The above-described hood-use microwave oven according to the present invention includes a member for simultaneously performing a flow space for air for cooling electric components, a flow space for air for a hood function, and a function for guiding cooling air in the electric room It is expected that the effect of reducing the number of components can be expected. In addition, since the connection line for electrical connection of the electric component is fixed to such a member, other components for fixing the connection line can be expected to be saved.

As a result, the assembly efficiency and productivity of the product can be expected to be improved by the effect of reducing the parts, and the safety of the product can be expected to be improved by fixing the connection line to the component having heat resistance.

In addition, due to the improvement of the assemblability and the productivity, the production speed of the product is improved, and the effect of efficient production 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, However, this will also be included in the spirit of the present invention.

For convenience of description, the hood-use microwave oven according to the present invention has been described for illustrative purposes. However, the present invention is not limited thereto. It is to be noted in advance that the present invention can be applied to both a microwave oven and a hood for fixing a connection line.

Also, 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 contents of the present invention.

2 is a perspective view of a microwave oven according to an embodiment of the present invention. FIG. 2 is a perspective view illustrating an inner structure of a microwave oven having a hood according to an embodiment of the present invention. .

Referring to the attached drawings, a microwave oven combined with a hood according to an embodiment of the present invention includes an outer space formed by a body 10 having a substantially rectangular parallelepiped shape with an inner space, The other cooking device is installed above the other cooking device so that the hood function of sucking the exhaust gas generated in the process of cooking food using the other cooking device can be performed.

Such a hood-use microwave oven may be installed in kitchen furniture installed in a kitchen space, or may be provided in a separate space. In any case, it is preferable to provide a downward space so as to perform a hood function of sucking air in the external space.

A blowing fan 40 is installed in the inner space of the main body 10 to exhaust air while sucking the outside air of the main body 10 by rotational motion. The exhaust gas generated when cooking food is sucked from the lower part of the main body 10 into the inner space, and the air in front of the main body 10 is sucked into the inner space.

The air in the front space of the main body 10 and the air in the downward space are sucked into the inner space of the main body 10 by the rotational movement of the blowing fan 40 and the air sucked into the inner space of the main body 10 Is discharged to the front space of the main body (10) again by the blowing fan (40).

At this time, the air sucked into the internal space of the main body 10 is purified by a plurality of purifying devices and is sucked into the internal space of the main body 10 in a state in which the foreign substances are filtered, The air in the space is discharged into the front space of the main body 10 while flowing through the inner space of the main body 10 while cooling the plurality of electrical parts, The air is discharged into the front space of the main body 10 in a state where the foreign matter is caught.

In this way, the air sucked into the internal space of the main body 10 by the rotational movement of the blowing fan 40 performs various functions and is discharged toward the external space of the main body 10, in the embodiment, toward the front space .

Of course, the air sucked into the inner space of the main body 10 may be discharged upward or rearward rather than the front space of the main body 10, Cleansing will be the same.

That is, the air discharged into the external space of the main body 10, specifically, the kitchen space in which the user is located, is discharged into the kitchen space while foreign substances are removed by the cleaning device.

The inner space of the main body 10 is provided with a cooking chamber 20 for providing a food cooking space and an inner space of the cooking chamber 20 in which food is placed after the food is placed in the inner space of the cooking chamber 20 It is possible to cook food by heating the cooking chamber 20 in a state that the inner space is shielded by a plurality of heating sources installed in the inner space of the main body 10 in a state where the inner space is shielded.

The main body 10 is made of a material having a certain degree of strength to protect a plurality of parts installed in the inner space. The main body 10 includes a front panel 11 forming a front surface, The panel 12, the upper panel 13 forming the upper surface and both side surfaces at the same time, and the lower panel 14 forming the lower surface are joined or fastened to each other to form an overall shape.

At this time, the upper panel 13 may be configured such that the panel forming the upper surface and the panel forming the side surface are fastened to each other.

The front panel 11 is made of a steel material having a certain thickness as a whole and has a predetermined strength and is cut so as to have an area corresponding to a position corresponding to the open front face of the cooking chamber 20, A control panel for allowing a user to directly manipulate a plurality of electric parts for controlling a plurality of parts installed in the inner space of the main body 10 is mounted on the right side of the main body 10, .

A middle portion of the upper portion of the upper cut-out portion of the front panel 11, i.e., a portion corresponding to the open front face of the cooking chamber 20, is cut out so as to have an area of a long rectangular shape in the lateral direction, The air in the rear space of the front panel 11 is supplied to the front space of the front panel 11 by the rotational movement of the air blowing fan 40. In both sides of the front part of the front panel 11, Thereby providing a passage through which air in the front space of the panel 11 moves to the rear space of the front panel 11. [

The panel 14 is provided with a suction portion for providing a passage through which the air in the space below the main body 10 moves to the internal space of the main body 10, The air can be moved to the inner space of the main body 10.

At this time, when the exhaust gas generated when cooking food is passed through the suction unit to move into the internal space of the main body 10, A plurality of filters are provided for purifying the gas and the pollutants contained in the exhaust gas are filtered while passing through the suction portion provided with the filters so that the purified exhaust gas can flow into the internal space of the main body 10 .

The lower panel 14 may be slidable in the front-rear direction of the main body 10, and may be fixed to the main body 10. When the lower panel 14 is provided so as to be slidable in the front-rear direction of the main body 10, a portion of the slidable lower panel 14 and another portion of the lower panel 14 supporting the slidable lower panel 14, So that air in a wider downward space of the main body 10 is sucked into the inner space.

That is, since the bottom panel 14 slidable on the lower surface of the main body 10 is installed, air in a wider space can be sucked into the inner space of the main body 10, The gas can be sucked into a wider space and thus the leakage of the exhaust gas can be prevented.

A first member 70 separating the side space of the cooking chamber 20 into an upper space and a lower space is formed in the inner space of the main body 10 to provide a space in which the plurality of electrical components are located. Respectively.

The first member 70 is provided in the form of a rectangular plate having a predetermined strength so as to support a plurality of parts while having a predetermined thickness, The inner space is divided into an upper space and a lower space.

The first member 70 includes a first portion 71 for dividing the space in which the cooking chamber 20 is located and the space in which the air flows by the blowing fan 40 into an upper space and a lower space, And a second portion 72 that divides the side space of the air conditioner 20 into a space through which the air flows by the air blowing fan 40 and a space where electrical components are located. It is also possible that the second portion 72 is integrally formed.

When the first part 71 and the second part 72 are integrally formed, the inner space of the main body 10 is separated by the first member 70 from the upper space 73 and the lower space 74, And the air introduced from the front and the lower side of the main body 10 is exhausted to the front of the main body 10 through the ventilation fan 40 by the rotational movement of the ventilation fan 40 in the upper space 73 A suction space 75 in which the outside air in the front space of the main body 10 is sucked toward the blowing fan 40 by the rotational movement of the blowing fan 40 is provided.

The ventilation space 75 is provided at a central portion of the upper space 73 and the suction space 76 is provided at both sides of the ventilation space 75 so that the flow of air due to the rotational movement of the ventilation fan 40 Space.

The lower space 44 provided below the first member 70 is provided with a cooking cavity 20 for providing a space for cooking food and a plurality of electric parts formed on the right side of the cooking chamber 20, And an electric field room 30, which is a space where the food is to be placed.

At this time, the first member 70 is formed integrally with the first portion 71 and the second portion 72 so that the rear end thereof flows into the blowing fan 40 from below the main body 10 A plurality of moving balls for providing a moving path of air are formed. The moving hole is formed so that the rear half of the first member 70 is cut to a size having a predetermined area so as to have a certain area, thereby providing the air passage.

The air blowing fan 40 is installed as a cross flow fan configured to suck both side air and exhaust the air forward, and is located at the center of the rear end of the upper space 73 formed by the first member 70 . Even if the air blowing fan 40 is installed as a fan other than the cross flow fan, the blowing fan 40 operates to suck air through the lower panel 14 and exhaust the air in any one direction.

The upper space 73 formed on the upper side of the first member 70 is provided with a heater which is one of the heat sources for heating the food placed in the inner space of the cooking chamber 20, A stirrer fan or the like is provided for uniformly irradiating the irradiated high frequency wave in the inner space of the cooking chamber 20 to quickly and uniformly heat the food.

The cooking cavity 20 is provided in the lower space 74 formed below the first member 70 to provide a cooking space for food to be cooked. And a high voltage transformer 33 for supplying a high voltage current to the magnetron 32 and electric parts for controlling such a large number of parts are installed in the magnetron 32, An electric field chamber 30 is formed.

The internal space of the main body 10 is divided into a lower space 74 in which the cooking chamber 20 and the electric field chamber 30 are located by the first member 70, (73).

The first member 70 divided into the upper space 73 and the lower space 74 is integrally formed so as to divide the upper space of the electric room 30 into the upper space and the lower space The portion where the cooking chamber 20 is located is divided into an upper portion and a lower portion by dividing the cooking cavity into a first portion 71 and a second portion 72, And the lower part.

Hereinafter, the first member 70 integrally formed with reference to FIG. 3 will be described. FIG. 3 is a perspective view showing an upper space and a lower space of the microwave oven combined with the hood according to the embodiment of the present invention.

3, the cooking chamber 20 is located in a space between the front panel 11 forming the front surface of the main body 10 and the rear panel 12 forming the rear surface, And the first member 70 extending from the upper side of the left side face of the cooking chamber 20 to the right end side of the front panel 11 and the rear panel 12 is positioned at a position .

The first member 70 is located on the upper side of the cooking chamber 20 and is made of a material having a certain strength to support a plurality of components. And the upper surface of the electric field chamber 30 is formed by the first member 70.

The upper space 73 formed on the upper side of the first member 70 is divided into three spaces in the left and right directions. The space is divided by the separating member 77. The separating member 77 has a center space formed in front of the air blowing fan 40 in front of the air blowing fan 40, and left and right spaces are formed on left and right sides of the center space.

The central space is sucked from the front or the lower side of the main body 10 by the rotational movement of the blowing fan 40 so that the air flowing into the blowing fan 40 is discharged to the front outer space of the main body 10. [ (75), and the left and right spaces become a suction space (76) in which the front air of the main body (10) is sucked into the upper space (73).

The suction space 76 formed in the right space of the exhaust space 75 may include a second member 80 supported on the upper surface of the first member 70, The flow of the air that flows from the lower side to the blowing fan 40 when the air below the lower panel 14 flows into the inner space of the main body 10 from the lower side of the main body 10, And the space of the air flowing from the front of the main body 10 to the space above the electric chamber 30 is divided.

The second member 80 is formed in the shape of a rectangular plate having a predetermined thickness and is formed to have a predetermined strength and made of the same material as the first member 70, that is, a flame retardant material. Such a flame retardant material may be, for example, a metal material. The metal material may be a material having good flame retardancy and a predetermined strength than a general polymer material.

The upper space of the electric field chamber 30 is formed by the first member 70, the second member 80 and the separating member 77, and the upper space of the electric field chamber 30 is filled with the air By the rotational movement of the fan 40, the flow space of the air sucked in front of the main body 10, the space of the air sucked down from the main body 10, and the rotational movement of the blowing fan 40, 10 are separated from each other.

The second member 80 may be integrally formed with the first member 70 and may be provided separately from the first member 70 so as to be fastened to the upper surface of the first member 70 I will do it.

When the second member 80 is integrally formed with the first member 70, a part of the first member 70 located behind the upper space of the electric field chamber 30 is slit, And bends in a space direction of the upper side of the upper surface 30 of the housing. Of course, although it may be formed in other forms, it is preferable that a part of the first member 70 is slitted and bent in view of the reduction of the material.

When the first member 70 and the second member 80 perform the function of the second member 80 by slitting and bending a portion of the first member 70, And is integrally formed.

If the first member 70 is made of a flame-retardant material and has a certain strength, the second member 80 may be made of the same metal as the first member 70.

The first member 70 that is slitted to perform the function of the second member 80 has a shape cut by an area of the second member 80, So that the air sucked in the downward direction provides a passage for flowing to the blowing fan 40.

When the second member 80 is integrally formed with the first member 70, the first part 71 positioned on the upper side of the cooking chamber 20 and the first part 71 forming the upper surface of the electric field chamber 30 The two portions 72 are formed by the first member 70. Of course, when the first portion 71 and the second portion 72 are coupled to each other to form the first member 70, the upper surface of the electric field chamber 30 is formed by the second portion 72 , And the rear surface is formed by the second member (80).

4 to 6, the first member 70, which divides the internal space of the main body 10 into the upper space 73 and the lower space 74, 71 and the second portion 72 and are coupled to each other.

4 is a perspective view showing a state where a first part of a first microwave oven 1 serving as a hood is provided according to an embodiment of the present invention. Is a partial perspective view.

6 is a perspective view showing a second portion and a second member of the microwave oven combined with the hood according to the embodiment of the present invention. FIG. 7 is a perspective view of the second portion of the microwave oven, And a side view showing the second member.

The first member 70 dividing the inner space of the main body 10 into the upper space 73 and the lower space 74 is positioned on the upper side of the cooking chamber 20, A first portion 71 which divides the upper space of the cooking chamber 20 into an upper space 73 and a lower space 74 and a second portion 71 which is located at the right end portion of the first portion 71, And a second portion 72 for dividing the upper space 73 into upper and lower portions.

The first portion 71 has a predetermined thickness and has a left end portion located on an upper portion of the left side surface of the cooking chamber 20 and a right end portion extending to the right side, . The left end of the second part 72 is fastened to the right end of the first part 71 and the upper space of the electric chamber 30 is divided into the upper part and the lower part by the second part 72 .

At this time, the rear end of the second portion 72 is positioned at a front side with a certain distance from the front surface of the rear panel 12, and the second member 80 is positioned on the upper side of the rear end portion. The second portion 72 and the second member 80 may be integrally formed, and may be formed and fastened to each other.

A cooling fan (not shown) is installed in the second portion 72 to flow the air sucked in front of the main body 10 toward the electric field chamber 30 to cool a plurality of electric components installed in the electric field chamber 30. [ (50).

In detail, the second portion 72 is formed with a circular hole having a predetermined diameter, and the cooling fan 50 is positioned on the upper side of the hole, External air flowing from the front of the main body 10 to the upper space of the second portion 72 flows into the internal space of the electric room 30 through the holes.

A fan motor 51 for providing a driving force to the cooling fan 50 is positioned above the cooling fan 50. The fan motor 51 is disposed between the cooling fan 50 and the fan motor 51 And is fastened to the bracket 52 for fastening.

The second portion 72 is formed with a guide portion or a cooling air guide 60 for guiding air directed toward the inner space of the electric chamber 30 by the rotation of the cooling fan 50 . The cooling air guide 60 extends downward from the lower surface of the second portion 72 and extends downward from the rim of the hole.

The cooling air guide 60 guides the flow of the air by the rotation of the cooling fan 50 to the inner space of the electric room 30. The electric room 30 is provided with a plurality of So that the electric component can be cooled.

The second member 80 is formed with a connection hole 81 through which a connection line for electrically connecting the fan motor 51 for providing the rotational power of the cooling fan 50 with external electric power is passed. The connection line is electrically connected to the fan motor 51 while passing through the connection line hole 81 in the forward and backward directions, and the external power is supplied to the fan motor 51 through the connection.

The second member 80 extends upward from the upper surface of the rear end portion of the second portion 72 so as to divide the upper space of the electric chamber 30 back and forth, 10 and the flow space of the air flowing into the inner space from below the main body 10 are distinguished from each other.

As described above, the flow space of the air sucked and flowing at the front of the main body 10 and the flow space of the air sucked and sucked at the downward direction are distinguished from each other, so that the air flows smoothly.

The second portion 72 and the second member 80 allow air that has cooled a plurality of electric components in the internal space of the electric component chamber 30 to flow into the space above the electric component chamber 30 The first portion of the second portion 72 and the second portion 72 of the main body 10 are separated from each other by a predetermined distance, The air guide 60 serves to guide the flow of air for cooling the electric vehicle room 30 at the same time.

Also, since the second portion 72 and the second member 80 are made of a metal material, which is a flame retardant material, the safety of fire is further improved.

The microwave oven combined with the hood according to the present invention configured as described above performs a function of a barrier that blocks the flow of air to a certain space and functions as a guide for guiding the flow of air to a certain space The number of components for manufacturing is reduced, and the effect of the assembly and the productivity is improved.

In addition, the connection line for electrical connection is penetrated and passed through a portion formed of a flame retardant material, thereby improving the fire safety according to the use of the product.

Therefore, the microwave oven combined with the hood according to the present invention can be expected to improve the production, sale, and the like of the cooking appliance due to the many effects as described above, and thus it is highly likely to be used in the cooking appliance industry.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an installation state of a hood-use microwave oven according to an embodiment of the present invention;

FIG. 2 is a perspective view of a microwave oven combined with a hood according to an embodiment of the present invention, in which the upper panel is removed. FIG.

FIG. 3 is a perspective view showing a state where an upper panel and electric components are removed from a hood-use microwave oven according to an embodiment of the present invention;

FIG. 4 is a perspective view illustrating a state in which a top panel and electrical components are removed from a hood-use microwave oven according to another embodiment of the present invention. FIG.

Fig. 5 is a partial perspective view showing the electric compartment of the combined microwave oven according to the embodiment of Fig. 4; Fig.

Fig. 6 is a perspective view showing a member forming a space above the electric room of the microwave oven combined with the hood according to the embodiment of Fig. 4; Fig.

Description of the Related Art [0002]

10. Body 11. Front panel

12. Rear panel 13. Top panel

14. Lower panel 20. Cooking room

30. Electric field room 32. Magnetron

33. High voltage transformer 40. Blower fan

50. Cooling fan 51. Fan motor

52. Bracket 60. Cooling air guide

70. First member 71. First part

72. Second part 73. Upper space

74. Lower space 75. Exhaust space

76. Suction space 77. Separation member

80. Second member

Claims

A body having an outer appearance and having an inner space;

A blowing fan located in the inner space for sucking and exhausting outside air;

A cooking chamber disposed in the inner space and providing a cooking space for food;

An electric field chamber disposed at a side of the cooking chamber and having a plurality of electric components;

A first member that divides an internal space of the main body into at least an upper space and a lower space;

A second member disposed in an upper space of the electric field chamber and extending in a direction intersecting with the first member; / RTI >

Wherein a part of the outside air sucked into the electric room moves along the second member after cooling the electric components of the electric room, and is exhausted to the outside by the blowing fan.

The method according to claim 1,

Wherein the first member comprises:

A first portion dividing a space in which the cooking chamber is located and a space in which air is blown by the blowing fan into an upper space and a lower space;

And a second portion that divides the side space of the cooking chamber into a space in which air flows and a space in which electric component parts are located by the blowing fan.

3. The method of claim 2,

Wherein the first portion and the second portion are integrally formed.

The method according to claim 1,

Wherein the electric component includes a high-frequency generator and a high-voltage converter.

The method according to claim 1,

Wherein the upper space is formed with a flow space for air sucked downward by the blowing fan and a flow space for air sucked in front of the upper space.

delete

The method according to claim 1,

Wherein the first member is provided with a cooling fan for circulating air for cooling the electric component.

8. The method of claim 7,

Wherein the first member is integrally formed with a guide portion for guiding the cooling air flowing by the cooling fan to the electric room.

The method according to claim 1,

Wherein the first member and the second member are made of a metal material.

The method according to claim 1,

And a wire hole for mounting a wire connected to the electric component is formed in the second member.