KR101627379B1 - Microwave oven having hood - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a microwave oven, and more particularly to a microwave oven combined with a hood in which an exhaust gas flow path for exhaust gas generated inside a cooking chamber is shortened.

A microwave oven combined with a hood according to the present invention comprises: a body forming an outer shape; An upper plate that divides an internal space of the main body into an upper space and a lower space; A blowing fan located in an inner space of the main body and sucking and exhausting outside air; A cooking chamber located in the lower space and cooking food; An exhaust port formed in the central space when the upper space is divided into three spaces and providing a passage through which the exhaust gas of the cooking chamber moves to the central space; And an exhaust duct located in the central space for guiding the exhaust gas forward.

A hood combination microwave oven, an exhaust port, an exhaust gas,

Description

Microwave oven having hood < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a microwave oven, and more particularly to a microwave oven combined with a hood in which an exhaust gas flow path for exhaust gas generated inside a cooking chamber is shortened.

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 present invention proposes a hood-use microwave oven in which the exhaust passage for exhausting the exhaust gas generated in the cooking cavity is shortened.

The present invention proposes a hood-use microwave oven in which the size of a member for guiding the flow of exhaust gas generated in the cooking chamber is reduced.

A microwave oven combined with a hood according to the present invention comprises: a body forming an outer shape; An upper plate that divides an internal space of the main body into an upper space and a lower space; A blowing fan located in an inner space of the main body and sucking and exhausting outside air; A cooking chamber located in the lower space and cooking food; An exhaust port formed in the central space when the upper space is divided into three spaces and providing a passage through which the exhaust gas of the cooking chamber moves to the central space; And an exhaust duct located in the central space for guiding the exhaust gas forward.

Further, a hood-use microwave oven according to the present invention includes: a main body having an outer appearance; An upper plate that divides an internal space of the main body into an upper space and a lower space; A blowing fan located in an inner space of the main body and sucking and exhausting outside air; A cooking chamber which is located in the lower space and is a space where food is cooked; A turntable provided inside the cooking chamber and supporting the food; Wherein when the turntable is divided into three parts in the left and right direction with respect to the center of rotation of the turntable, exhaust gas generated when cooking food is formed on the upper surface of the cooking chamber An exhaust hole for providing a passage for flowing into the space; An exhaust port providing a passage through which exhaust gas passing through the exhaust hole flows into the upper space; And an exhaust duct for guiding the exhaust gas passing through the exhaust port to move in the same direction as the flow direction of air flowing by the blowing fan; .

According to the present invention, it is possible to minimize the flow distance of the exhaust gas generated from the inside of the cooking chamber that provides space for cooking food, The effect of improving the exhaust efficiency of moisture and exhaust gas can be expected.

It is possible to expect the effect of preventing dew formation in the internal space of the cooking chamber due to the improvement of the exhaust efficiency of the moisture in the cooking chamber and the exhaust gas and the advantage that the cooking state of the food is improved due to prevention of dew condensation in the cooking chamber, The advantage of the present invention is that the user's satisfaction with the cooked food is improved.

It is possible to expect an advantage that the reliability of the product is improved due to the improvement of the user's satisfaction with the cooked food.

In addition, by minimizing the flow distance of moisture and exhaust gas generated in the cooking chamber, it is possible to minimize the size of the guide member for guiding the flow of exhaust gas and moisture.

As a result, it is possible to expect an effect of reducing the manufacturing cost due to the production of the microwave oven combined with the hood, and it is advantageous in that the production cost of the product is reduced due to the reduction of the manufacturing cost. It has the advantage of improving competitiveness.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 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 explanation, the hood-use microwave oven according to the present invention has been described with reference to the accompanying drawings. However, the present invention is not limited thereto, and can be applied to a microwave oven combined with a hood capable of smoothly moving air inside a cooking chamber I will let you know in advance.

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 showing a state in which a door and a control panel of a microwave oven combined with a hood according to an embodiment of the present invention are removed. FIG. 2 is a perspective view of the microwave oven according to the embodiment of the present invention. FIG. 4 is a side sectional view showing an exhaust guide of a combined microwave oven according to an embodiment of the present invention. FIG. 4 is a partially cutaway perspective view showing a state in which a part of the microwave oven combined with a hood according to the embodiment of the present invention is cut away.

First, referring to FIG. 1, an outer appearance of a hood-use microwave oven is formed by a main body 10. The main body 10 has a rectangular parallelepiped shape having an internal space. Other types of cooking devices are installed underneath.

The main body 10 is installed on the upper side of another type of cooking apparatus. The reason for this is to perform the hood function of sucking the exhaust gas generated from the lower side into the inner space and exhausting the exhaust gas to the outer space.

A door 20 is rotatably installed on the front surface of the main body 10. A handle 21 is provided on the front surface of the door 20 for gripping the user.

The door 20 is formed in the shape of a rectangular plate having a certain thickness as a whole. It is possible to selectively open and close the cooking chamber 30 located in the internal space of the main body 10 by the door 20.

The cooking chamber 30 is selectively opened and closed with respect to the door 20 to provide a space for cooking food. The inner space of the cooking chamber (30) becomes a space where food is cooked substantially.

A control panel 41 is located on the right side of the door 20. The control panel 41 is provided with an input unit such as a plurality of switches through which a user inputs operation signals for cooking food. Also, the control panel 41 displays operation information of the main body 10, cooking information of food, and the like.

The control panel 41 has a predetermined thickness and a longitudinal hexahedron shape. In the inner space of the control panel 41, a plurality of control components are fixed, and a circuit board on which various circuits are printed is placed on the surface. And the electric component is operated by a user's operation signal while the circuit board and the electric component are connected.

A vent grille 77 is positioned at an upper end of the front surface of the main body 10. The vent grill 77 provides a passage through which air enters and exits from the inside and outside spaces of the main body 10. [

Referring to FIGS. 2 and 3, a turntable 31 is installed in the cooking chamber 30. The turntable (31) is rotatably installed inside the cooking chamber (30). Foods cooked in the cooking chamber 30 are seated on the upper surface of the turntable 31.

The electric field chamber (40) is located on the right side of the cooking chamber (30). A plurality of electric components are installed in the electric field chamber (40). A high voltage converter 43 for converting a current supplied to the magnetron 42 into a high voltage to supply a high voltage current to the magnetron 42; A capacitor 44 for supplying a current of a constant voltage to the capacitor 43, and the like. The control panel (41) is positioned substantially on the front surface of the electric field chamber (40).

On the other hand, the front panel 11 forms a front surface of the main body 10. A rear panel 12 is formed on the rear surface of the main body 10, and an upper panel 13 is formed on the upper surface and both side surfaces of the main body 10. The front panel 11, the rear panel 12, and the top panel 13 are fixed to each other to form the outer shape of the main body 10.

The front panel 11 is made of a material having a predetermined thickness and strength, for example, a metal material. A part of the front panel 11 corresponding to the control panel 41 and the vent grille 77 is cut.

The upper panel 13 is formed with an outdoor outlet 131 through which air in the space inside the main body 10 is discharged to the outdoor space.

In addition, an upper plate 15 is provided in the main body 10. The upper plate (15) substantially forms the upper surface of the cooking chamber (30). The upper plate 15 is provided with an exhaust port (19 in FIG. 4). The air outlet (19) serves as an outlet through which air is discharged to the outside of the cooking chamber (30).

In addition, an extension plate 16 is provided inside the body 10. The extension plate 16 extends from one end of the upper plate 15 so as to be coplanar with the upper plate 15. The extension plate (16) substantially forms the upper surface of the electric field chamber (40). Of course, the upper plate 15 and the extension plate 16 may be integrally formed.

In other words, the upper plate 15 may define the cooking chamber 30 and an exhaust space 71 to be described later. Further, the extension plate 16 may partition the electric field chamber 40 and a second suction space 73 to be described later.

Inside the body 10, a side plate 17 and a lower plate 18 are provided. The side plates (17) form both sides of the cooking chamber (30). The left side of the side plate 17 in the drawing forms a flow path through which the combustion gas of the other cooking device flows between the side plate 17 and the upper panel 13. The right side of the side plate 17 substantially divides the cooking chamber 30 and the electric field chamber 40.

The lower plate (18) forms the bottom surface of the cooking chamber (30) and the electric field chamber (40). The lower plate (18) is parallel to the upper plate (15). The lower end of the side plate 17 is fixed to the upper surface of the lower plate 18. The lower plate 18 is provided with a flow passage through which the combustion gas sucked into the main body 10 flows by driving the blowing fan 50 to be described later in the cooking chamber 30 and the electric field chamber 40 It serves as a compartment.

A partition plate (46) is located at the rear end of the electric field chamber (40). The partition plate 46 is spaced apart from the front surface of the rear panel 12 by a predetermined distance. A flow path through which the combustion gas sucked into the main body 10 flows is formed between the partition plate 46 and the rear panel 12 by driving the blowing fan 50. The passage between the electric field chamber 40 and the second suction space 73 to be described later and the partition plate 46 and the rear panel 12 can be partitioned substantially by the partition plate 46 .

Meanwhile, an indoor discharge port 74 and the first indoor inlet port 75 and the second indoor inlet port 76 are formed at the upper end of the front panel 11. The indoor discharge port 74 and the first indoor inlet port 75 and the second indoor inlet port 76 are formed by cutting a part of the upper end of the front panel 11. The indoor outlet 74 is located at the center of the upper end of the front panel 11. The first indoor inlet port 75 and the second indoor inlet port 76 are located on the left and right sides with respect to the indoor outlet port 74.

The indoor discharge port (74) serves as an outlet through which air is discharged from the inside of the main body (10) to the outside. The first and second indoor outlet ports 75 and 76 serve as an inlet through which air is sucked from the outside of the main body 10 to the inside.

The space formed behind the indoor discharge port (74) becomes the exhaust space (71). The exhaust space 71 is a space through which the air discharged from the inner space of the main body 10 to the kitchen space flows through the indoor discharge port 74.

The space formed on both sides of the exhaust space 71, that is, behind the first and second indoor air inlets 75 and 76, becomes the first and second suction spaces 72 and 73. The first and second suction spaces 72 and 73 are formed in a space through which the air sucked into the inner space from the outer space of the main body 10 flows substantially through the first and second indoor inlets 75 and 76 to be.

A ventilation fan (50) is installed in the exhaust space (71). The blowing fan 50 may be a crossflow fan. Of course, other kinds of fans may be used for the blowing fan 50, but a cross flow fan is most preferable in consideration of space utilization and air flow space.

The blowing fan 50 generates the air flow for the hood function and the air flow for cooling the parts provided in the internal space of the main body 10. [ In other words, the blowing fan 50 generates the air flow for the hood function and the air flow for the cooling function.

More specifically, the blowing fan 50 sucks the exhaust gas generated in the cooking device into the internal space of the main body 10. The ventilation fan 50 is sucked into the main body 10 and is guided to the inside of the main body 10 through the passage between the lower plate 18 and the lower panel 14, The space between the side plate 17 and the upper panel 13 and the space between the side panel 17 and the rear panel 12 and the space between the side panel 17 and the upper panel 13, And a flow of air discharged to the outside through the outdoor outlet 131 is formed. The blowing fan 50 is sucked through the first indoor suction port 75 and flows through the exhaust space 71 after cooling the component while flowing through the first suction space 72, (74), and forms a flow of air discharged through the outdoor outlet (131).

A cooling fan (45) is installed on one side of the extension plate (16) above the electric field chamber (40). The cooling fan (45) forms an air flow for cooling electric components installed in the electric component chamber (40). More specifically, the cooling fan 45 is sucked through the second indoor inlet port 76, flows through the second suction space 73, and then cools the electric components inside the electric room 40 Thereby forming a flow of air. The cooling fan 45 may cool the electrical components inside the electrical component chamber 40 and then cool the electrical component to the outside of the cooking chamber 30 through the air outlet 19, Thereby forming a flow.

The extension plate 16 is provided with a cooling hole 16a. The cooling hole 16a serves as an inlet through which air sucked through the second indoor intake port 76 flows into the electric room 40 by driving the cooling fan 45. [ For example, the cooling holes 16a are formed in the extension plate 16 in a circular shape with a predetermined diameter. And substantially the cooling fan 45 is installed on the cooling hole 16a.

A cooling fan motor 47 is installed above the cooling fan 45. The cooling fan motor 47 provides a driving force for rotation of the cooling fan 45. At this time, the cooling fan motor 17 is installed such that the motor shaft to which the cooling fan 45 is coupled faces downward.

A motor bracket (48) is installed between the cooling fan motor (47) and the cooling fan (45). The motor bracket 48 substantially supports the cooling fan motor 47. That is, the cooling fan 45 is coupled to the motor shaft of the cooling fan motor 47 while the cooling fan motor 47 is installed in the motor bracket 48.

The exhaust duct 80 is positioned in the exhaust space 71. The exhaust duct 80 substantially divides the exhaust space 71 into a space through which the air flows and a space where the components are installed.

The exhaust duct 80 is made of a material having heat resistance, for example, a material of a heat-resistant polymer compound. The exhaust duct 80 may be formed in a polygonal shape having an approximately "H" vertical profile. The space between the upper plate 15 and the exhaust duct 80 and the space between the exhaust duct 80 and the upper panel 13 by the exhaust duct 80. [ Space.

The space between the upper plate 15 and the exhaust duct 80 is provided with a component and a space between the exhaust duct 80 and the upper panel 13 is formed in a space between the upper plate 15 and the exhaust duct 80, Role.

An installation opening 80a is formed in the bottom surface of the exhaust duct 80. [ The installation opening 80a is formed by cutting off a part of the bottom surface of the exhaust duct 80. The installation opening 80a is for installing a lamp 85 to be described later.

The installation opening (80a) is selectively opened and closed by the duct cover (81). The duct cover 81 may be fixed to the exhaust duct 80 by means of fasteners or the like to shield the installation opening 80a. The duct cover 81 may be made of a material having a predetermined strength, for example, a metal material.

Meanwhile, the exhaust duct 80 is provided with a separating member 87. The separating member 87 divides the space between the upper plate 15 and the exhaust duct 80 into two spaces. At this time, only one of the two spaces partitioned by the separation member 87 is in communication with the installation opening 80a.

A large number of parts are provided in the space between the upper plate 15 and the exhaust duct 80 and the upper plate 15 substantially corresponding to the lower portion of the exhaust duct 80. In this embodiment, the stirrer device and the lamp 85 are located in the space between the upper plate 15 and the exhaust duct 80.

At this time, the stirrer device and the lamp 85 are positioned in the spaces defined by the separating member 87, respectively. That is, the stirrer is located in the right space of the space partitioned by the separating member 87, and the lamp 85 is located in the left space of the drawing, which is the space defined by the separating member 87 do. Therefore, the lamp 85 can be exposed to the upper side of the exhaust duct 80 through the installation opening 80a.

More specifically, the stirrer device diffusively reflects high-frequency waves radiated to the inside of the cooking chamber 30. The stirrer device includes a stirrer cover 83 which forms a predetermined space communicating with the cooking chamber 30, a stirrer cover 83 which is installed inside the stirrer cover 83 and rotates for diffused reflection of high frequency And a stirrer fan motor 82 installed outside the stirrer cover 83 and providing a driving force for driving the stirrer fan. The stator fan motor 82 is exposed to the space between the upper plate 15 and the exhaust duct 80 substantially.

The lamp (85) generates light for internal illumination of the cooking chamber (30). Substantially the lamp 85 is installed on the upper plate 15 corresponding to the installation opening 80a.

On the other hand, the exhaust duct 80 is provided with an exhaust guide 84. The exhaust guide 84 guides the air exhausted to the outside of the cooking chamber 30 through the exhaust port 19 through the indoor exhaust port 74.

Accordingly, the exhaust guide 84 substantially divides the air flowing in the space above the exhaust duct 80 and the air exhausted through the exhaust port 19. The exhaust guide 84 may be integrally formed with, for example, an exhaust duct 80 corresponding to an upper portion of the exhaust port 19. The detailed structure of the exhaust guide 84 will be described later.

A convection device 60 is installed in the first suction space 72. The convection device 60 may heat the air inside the cooking chamber 30. [ The convection device 60 includes a convection fan (not shown) for circulating the air inside the cooking chamber 30 and a convection motor 61 for providing a driving force for rotating the convection fan. The convection motor 61 is exposed on the first suction space 72 substantially. The convection motor 61 is cooled by the air sucked into the first indoor suction port 75 by the blowing fan 50.

Referring to FIG. 4, the exhaust guide 84 discharges the exhaust gas from the cooking chamber 30, which is introduced through the exhaust opening 19, into the outer space of the main body 10. The exhaust gas and the moisture of the cooking chamber 20 can be removed by the exhaust guide 84.

The exhaust port (19) is made of a plurality of round holes each having a predetermined diameter and formed in a circular shape. The exhaust port 19 has a rectangular shape having a predetermined area as a whole. And the projection of the exhaust port 19 in the vertical direction is positioned on the upper surface of the turntable 31. [ More preferably, the projecting of the exhaust port 19 in the vertical direction is located on the upper surface of the turntable 31 including the center of the turntable 31 at least. This allows the exhaust gas discharged through the exhaust port (19) to flow through the shortest distance with respect to the entire cooking chamber (30).

The exhaust guide 84 substantially shields the exhaust port 19 so that the bottom surface thereof communicates with the exhaust port 19. The exhaust guide 84 extends forward of the main body 10, and the front surface thereof communicates with a part of the indoor discharge port 74. The exhaust guide 84 is connected to the exhaust port 84 through which the air discharged to the outside of the cooking chamber 30 through the exhaust port 19 and discharged to the outside of the main body 10 through the indoor outlet port 74 flows. .

Hereinafter, the operation of the embodiment of the microwave oven combined with the hood according to the present invention will be described in more detail.

First, the food is cooked inside the cooking chamber 30. At this time, the food is heated by the high frequency irradiated from the magnetron 42 and / or the convection of the high temperature air by the convection device 60 while being placed on the top surface of the turntable 31.

As the food is heated in the cooking chamber 30, exhaust gas and moisture including foreign matter such as oil are generated. The exhaust gas and moisture in the cooking chamber 30 cool the electric components inside the electric room 40 and cool the electric components inside the cooking chamber 30 through the air outlet 19, And is discharged to the outside of the cooking chamber (30).

As described above, the exhaust port 19 is formed on one side of the upper plate 15 corresponding to the center of the turntable 31. Accordingly, the exhaust gas and the air containing moisture in the cooking chamber 30 flow through the shortest distance and can be discharged through the exhaust port 19. As a result, exhaust gas and moisture can be efficiently exhausted from the inside of the cooking chamber 30 through the exhaust port 19.

According to the microwave oven of the present invention having the above-described configuration, since the flow path of the exhaust gas and the moisture generated in the internal space of the cooking chamber is maintained at the shortest distance, the effect of facilitating the discharge of the exhaust gas and moisture can be expected And the circulation of the air can be facilitated.

The microwave oven combined with a hood according to the present invention having such an effect 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 illustrating a state in which a door and a control panel of a hood and a microwave oven according to an embodiment of the present invention are removed.

FIG. 3 is a partially cutaway perspective view showing a state in which a part of a hood-use microwave oven according to an embodiment of the present invention is cut away; FIG.

4 is a side sectional view showing an exhaust guide of a microwave oven serving as a hood according to an embodiment of the present invention.

Claims (8)

A body forming an outer shape; An upper plate that divides an internal space of the main body into an upper space and a lower space; A blowing fan located in an upper space of the main body and sucking and exhausting outside air; A cooking chamber located in the lower space and cooking food; An exhaust space in which the upper space is divided into three spaces, the exhaust space being provided in a central space among the three divided spaces and in which outside air blown by the blowing fan flows; An exhaust port provided above the cooking chamber and providing a passage through which exhaust gas generated in the cooking chamber is discharged to the exhaust space; And An exhaust duct provided in the exhaust space and having an exhaust guide for partitioning a space through which the outside air moves and a space through which the exhaust gas moves; / RTI > Wherein the exhaust guide guides the movement of the exhaust gas so that the exhaust gas discharged through the exhaust port can be moved forward. delete The method according to claim 1, Wherein the exhaust air is exhausted to the outside space through the inside air of the main body. The method according to claim 1, And a suction space in which outside air of the main body is sucked into the inner space is provided on both sides of the central space. The method according to claim 1, Wherein the exhaust duct further includes a space for installing lighting and electrical components of the cooking chamber. An outer body; An upper plate that divides an internal space of the main body into an upper space and a lower space; A blowing fan located in an inner space of the main body and sucking and exhausting outside air; A cooking chamber which is located in the lower space and is a space where food is cooked; A turntable rotatably provided inside the cooking chamber and supporting the food; An exhaust port for exhausting the exhaust gas generated in the cooking chamber and having a projected image positioned on an upper surface of the turntable; And And an exhausting guide which guides the exhaust gas passing through the exhaust port to move in the same direction as the flow direction of the outside air flowing by the blowing fan. An outer body; An upper plate that divides an internal space of the main body into an upper space and a lower space; A blowing fan located in an upper space of the main body and sucking and exhausting outside air; A cooking chamber located in a lower space of the main body, the cooking chamber being a space where food is cooked; An exhaust space in which the upper surface of the cooking chamber is divided into three spaces, and an outside air is disposed on the upper plate corresponding to the central space among the three divided spaces and in which outside air blown by the blowing fan flows; An exhaust port for exhausting the exhaust gas generated in the cooking chamber to the exhaust space; And And an exhaust duct provided in the exhaust space and having an exhaust guide that defines a space through which the exhaust gas is moved and a space through which the external air is moved, Wherein the exhaust gas flows along the guide of the exhaust guide and flows in the same direction as the flow direction of the outside air flowing by the blowing fan and is discharged to the outside. 8. The method of claim 7, Wherein the exhaust gas flows forward of the cooking chamber.

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