KR101486593B1 - Microwave oven having hood - Google Patents

Abstract

The present invention relates to a hood-use microwave oven. According to the present invention, the hood is installed in the inside and outside of the hood casing, and contaminants contained in the air sucked through the main air inlet port of the hood casing and the auxiliary air inlet port provided in the hood are removed by the plurality of filters. Therefore, according to the present invention, contaminants contained in the air sucked through the intake port of the hood casing and the intake port of the hood inserted into and out of the hood casing are removed, thereby performing a more efficient hood function.

Hood combined microwave oven, hood casing, hood, inlet, filter

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 for loading and unloading a hood.

A microwave oven is a cooking appliance that uses a microwave to heat a food. The microwave oven combined with the hood of the microwave oven is provided with a hood function for discharging air containing contaminants generated during the cooking process of the food in the kitchen. More specifically, the hood-use microwave oven sucks air containing contaminants generated in the course of cooking food in a cooking device installed below the hood. In addition, the hood-use microwave oven exhausts or purifies air containing contaminants sucked into the hood to the outside, and discharges the air to the room.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a hood-use microwave oven configured to perform a hood function more efficiently.

According to an aspect of the present invention, there is provided a hood for discharging air containing contaminants generated during cooking of food in a cooking device provided below the hood, A hood-use microwave oven comprising: a cavity provided with a cooking cavity; At least one heating source for cooking the food in the cooking chamber; A hood casing mounted on a lower portion of the cavity and having an inlet port through which air containing contaminants is sucked; A hood which is installed inside and outside the hood casing so as to be able to receive the air, and has an air inlet for sucking air containing pollutants; A filter installed on a flow path through which air sucked through the suction port of the hood casing and the suction port of the hood flows to remove contaminants contained in the air sucked through the suction port of the hood casing and the suction port of the hood; And a driving force for sucking air containing contaminants through the inlet port of the hood casing and the inlet port of the hood or the inlet port of the hood casing in a state in which the hood is drawn out of the hood casing or housed inside the hood casing, ; .

A microwave oven combined with a hood according to another embodiment of the present invention is a microwave oven having a hood for discharging air containing contaminants generated during cooking of food in a cooking device provided below, A cavity provided with a cooking chamber; At least one heating source for cooking the food in the cooking chamber; A hood casing mounted on a lower portion of the cavity and having a main intake port through which air containing contaminants is sucked; A main filter for removing foreign matter contained in air sucked through the main intake port; A hood provided in the hood casing so as to be able to be inserted into and out of the hood casing and provided with an auxiliary intake port through which air containing contaminants is sucked; Wherein the auxiliary air inlets are formed on the outer circumferential surface of the hood casing so that the air containing the contaminants sucked through the auxiliary air inlets can be selectively The auxiliary filter being located at a first position; And a fan for supplying a driving force for sucking air containing contaminants through the main intake port and the auxiliary intake port or the main intake port while the hood is drawn out to the outside of the hood casing or housed inside the hood casing. .

According to the present invention, there is an advantage that a more efficient hood function can be performed by removing contaminants contained in the air sucked through the intake port of the hood casing and the intake port of the hood inserted into and out of the hood casing.

Hereinafter, a first embodiment of a microwave oven combined with a hood according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a state in which a first embodiment of a hood-use microwave oven according to the present invention is installed, FIG. 2 is a perspective view showing a main part of the first embodiment of the present invention, FIG. 4 is a front view showing a front panel constituting a first embodiment of the present invention, and FIG. 5 is a block diagram showing a first embodiment of the present invention.

Referring first to Fig. 1, a cooking appliance 1 is installed on one side of a kitchen. In FIG. 1, the cooking appliance 1 is shown as a gas range which is provided on the upper surface of the furniture provided in the kitchen and uses the gas to heat the food, but the present invention is not limited thereto. For example, the cooking appliance 1 may be an electric hob for heating the food using electricity or a gas oven range.

A hood-use microwave oven 10 (hereinafter, referred to as a microwave oven) is provided above the cooking appliance 1. The microwave oven 10 is provided with a cooking function for heating and cooking food using microwaves and / or heater heat, and also includes air containing contaminants generated during the cooking process of the cooking utensil 1 And a hood function for discharging the purified air to the room. Various components for the cooking function and the cooking function of the microwave oven 10 are already well known, and a detailed description thereof will be omitted.

The microwave oven 10 is provided with a cavity (not shown) for forming a cooking chamber (not shown) for cooking food. The microwave oven 10 is provided with a door 11 for selectively opening and closing the cooking chamber and a control panel 13 for receiving an operation signal for operating the microwave oven 10 and displaying information about the operation do. The microwave oven 10 is provided with a heating source for cooking food in the cooking chamber, for example, a high frequency heating source and / or a radiating heat source and / or a convection heating source.

In addition, a flow path for a hood function is provided in the microwave oven 10. More specifically, the microwave oven 10 is provided with an air supply unit for discharging air containing contaminants sucked through a main air inlet 113 or a main air inlet 113, which will be described later, and an auxiliary air inlet 211, And an indoor discharge passage (not shown) for discharging the outdoor discharge passage (not shown) to the indoor space. Further, a filter (not shown) for removing contaminants contained in the air is provided on the indoor discharge flow path. The outdoor discharge passage, the indoor discharge passage and the filter are the same as those of a general hood-use microwave oven, and a detailed description thereof will be omitted.

A discharge grill 15 is provided on the front upper surface of the microwave oven 10. The discharge grill 15 serves as an outlet through which the air containing contaminants flowing through the indoor discharge passage and purified by the filter is discharged to the room.

A vent fan 300 (see FIG. 5) is provided inside the microwave oven 10. The vent fan 300 is sucked through the main intake port 113 or the main intake port 113 and the auxiliary intake port 211 and flows through the outdoor discharge flow path or the indoor discharge flow path to form a flow of air discharged outdoors or indoors do.

Meanwhile, a hood casing 100 and a hood 200 for a hood function are provided below the microwave oven 10. Is fixed to the bottom surface of the microwave oven (10) of the hood casing (100). The hood 200 is slidably mounted on the front and rear sides of the microwave oven 10 to be installed in the hood casing 100.

More specifically, referring to FIG. 2, the hood casing 100 is formed in the shape of a flat hexahedron having an approximately open upper surface. Preferably, the hood casing 100 is formed to have the same cross section as the microwave oven 10. The hood casing 100 is formed separately from the microwave oven 10 and mounted to the lower portion of the microwave oven 10. Therefore, substantially the hood casing 100 forms a part of both sides of the microwave oven 10 and a bottom surface appearance.

In the front face of the hood casing 100, a cash drawer opening 111 is formed. The cash drawer 111 functions as an inlet through which the hood 200 is housed. The cash inlet / outlet opening 111 is formed by cutting a part of the front surface of the hood casing 100.

A main air inlet 113 is provided on the bottom surface of the hood casing 100. The main intake port 113 serves as an inlet through which air containing contaminants generated during the cooking process of the cooking device 1 is sucked. The main intake port 113 is formed by cutting a part of the bottom surface of the hood casing 100. The main intake port 113 communicates with the outdoor discharge passage and the indoor discharge passage in a state where the hood casing 100 is mounted on the lower portion of the microwave oven 10.

An illumination opening 115 is provided on the bottom surface of the hood casing 100 corresponding to both sides of the main air intake opening 113. The illumination opening 115 is for irradiating the light of the lamp 400 (see FIG. 5) downward, that is, toward the cooking appliance 1, for illumination.

A main filter 117 is provided on the main air inlet 113. The main filter 117 serves to remove contaminants contained in the air sucked through the main air inlet 113.

On the other hand, two mounting brackets 120 are installed on the bottom surface of the hood casing 100. The mounting bracket 120 is for installing a driving motor 130, a main gear and first to third driven gears 140, 150 and 160 to be described later. The mounting bracket 120 is installed on both sides of the bottom surface of the hood casing 100 between both side surfaces of the hood casing 100 and both side ends of the main air inlet 113. 3, the mounting bracket 120 includes a bracket body 121, a motor mounting rib 123, a partition rib 125, a shaft supporting rib 127, and first and second switch mounting ribs 128, (129).

More specifically, the bracket body 121 is formed in a plate shape having a predetermined area. The bottom surface of the bracket body 121 is in close contact with the bottom surface of the hood casing 100.

The motor mounting rib 123 extends upward from one end of the bracket body 121 which is adjacent to the side surface of the hood casing 100 relatively. The motor mounting rib 123 is provided with a driving motor 130. In this embodiment, the motor mounting rib 123 is provided only in the mounting bracket 120 on the right side of the drawing in FIG. 2 of the mounting bracket 120. This is because, in this embodiment, the number of the drive motors 130 is one.

The partition rib 125 extends upward from the other end of the bracket body 121, which is opposite to the motor mounting rib 123. The partition ribs 125 serve to partition a space where the air including pollutants sucked through the main intake port 113 and the auxiliary intake port 211 flows and a space where the drive motor 130 is installed . The partition rib 125 may have a predetermined length so that the rear end of the partition rib 125 may be in close contact with the rear surface of the hood casing 100. It is preferable that the upper end of the partition rib 125 is closely attached to the bottom surface of the cavity in a state where the upper end of the partition rib 125 is installed below the microwave oven 10 of the hood casing 100.

The partition ribs 125 are formed integrally with the mounting brackets 120 but the partition ribs 125 are not necessarily formed integrally with the mounting brackets 120 in this embodiment. That is, the partition ribs 125 may be separately formed from the mounting bracket 120 and installed on the bottom surface of the hood casing 100. When the partition ribs 125 are formed separately from the mounting brackets 120, the partition ribs 125 are formed between the main intake port 113 and the mounting bracket 120, 100 in the front and rear direction.

The partition rib 125 is formed with a guide slot 123A and an axial through-hole 123B. The guide slot 123A is formed by cutting a part of the partition rib 125 to a predetermined length and height in forward and backward directions. The guide slot 123A is for preventing interference with the hood 200 sliding forward and backward of the microwave oven 10. To this end, the bottom surface of the hood 200 accommodated in the hood casing 100 is inserted into the guide slot 123A. The shaft through-hole opening 123B is a portion through which the shaft 170 passes, which will be described later. A part of the partition rib 125 is formed by being cut so that the shaft through-hole opening 123B is located a predetermined distance behind the rear end of the guide slot 123A.

The shaft support rib 127 extends upward from one end of the bracket body 121 on the opposite side of the partition rib 125, that is, the motor installation rib 123. At this time, the shaft supporting ribs 127 are positioned so as to overlap with the shaft through-hole opening 123B. Both end portions of the shaft 170 are rotatably supported on the shaft supporting ribs 127.

The first and second switch mounting ribs 128 and 129 are provided at the positions where the first and second switches 180 and 190 are installed, respectively. The first switch mounting rib 128 extends horizontally from the upper end of the partitioning rib 125 adjacent to the shaft supporting rib 127 toward the shaft supporting rib 127. The second switch installation rib 129 extends horizontally in the same direction as the first switch installation rib 128 at the upper end of the rear end of the partition rib 125.

 Referring to FIG. 2 again, a driving motor 130 is installed on the mounting bracket 120, more specifically, the motor mounting rib 123. The driving motor 130 provides a driving force for sliding the hood 200. Any motor that can provide a driving force in both directions may be used as the driving motor 130. In the present embodiment, the driving motor 130 is installed only in the mounting bracket 120 on the right side of the drawing in Fig. 2 of the mounting bracket 120. Fig. However, the driving motor 130 may be installed in all of the mounting brackets 120. Also, when the driving motor 130 is installed in only one of the mounting brackets 120, the motor mounting rib 123 may be removed from the other mounting bracket 120.

Hereinafter, the driving direction of the driving motor 130 in the case of sliding the front of the microwave oven 10 such that the hood 200 is pulled out of the hood casing 100 is referred to as a forward direction, The drive direction of the drive motor 130 is referred to as a reverse direction.

Meanwhile, the driving force of the driving motor 130 is transmitted to the hood 200 by at least one main gear (not shown) and first to third driven gears 140, 150 and 160. To this end, the main gear is coupled to a driving shaft (not shown) of the driving motor 130. The first driven gear 140 is rotatably mounted on the motor mounting rib 123 provided on the mounting bracket 120 on the right side in FIG. 2, and is gear-engaged with the driven gear. The second and third driven gears 150 and 160 are provided at both ends of the shaft 170 passing through the shaft through-hole 123B. The second driven gear 150 is gear-engaged with the first driven gear 140. Therefore, the second driven gear 150 is provided at one end of the shaft 170, which is rotatably installed on the shaft supporting ribs 127 provided on the mounting bracket 120 on the right side in FIG. 2 do. The third driven gear 160 (see FIGS. 6 and 7) is rotatably mounted on the shaft supporting rib 127 provided on the mounting bracket 120 on the left side in FIG. 2, (Not shown). The main drive gear and the first driven gear 140 have the same number as the number of the drive motors 130. In other words, as in the present embodiment, when the drive motor 130 is constituted by one, the main drive gear and the first driven gear 140 are also constituted by one. However, when the drive motors 130 are installed in two mounting brackets 120, respectively, the main gear and the first driven gear 140 are also two. When the drive motor 130 is constituted by one motor, the second and third driven gears 150 and 160 are each configured as one motor. However, when the drive motor 130 is composed of two gears, the second driven gear 150 is composed of two gears, and the third driven gear 160 is substantially eliminated.

Also, first and second switches 180 and 190 are provided on the first and second switch mounting ribs 128 and 129, respectively. The first switch 180 is turned on when the hood 200 housed in the hood casing 100 is completely drawn out to the outside of the hood casing 100 so that the driving motor 130 is rotated And generates a signal for stopping. When the hood 200 drawn out of the hood casing 100 is completely housed in the hood casing 100, the second switch 190 is turned on and the driving motor 130 is turned on, A signal for stopping the operation is generated.

On the other hand, the hood 200 is formed in a flat hexahedron shape having a longitudinal section corresponding to the cash drawer opening 111 and having a rear surface opened. The hood 200 slides forward and backward of the microwave oven 10 and is delivered to the inside and outside of the hood casing 100 through the cashbox opening / The upper and lower surfaces of the hood 200 are formed so as not to overlap with the main air inlet 113 in a state where the hood 200 is housed inside the hood casing 100. In other words, the rear end of the upper and lower surfaces of the hood 200 is positioned in front of the respiratory mechanism 113 in a state where the hood 200 is housed in the hood casing 100. The bottom surface of the hood 200 moves along the guide slot 123A in a state where the bottom surface of the hood 200 is inserted into the guide slot 123A.

An auxiliary intake port 211 is provided on the bottom surface of the hood 200. The auxiliary intake port 211 is formed in a manner such that the air containing contaminants generated during the cooking process of the cooking utensil 1 in the state that the hood 200 is drawn out of the hood casing 100 is sucked It serves as an entrance. The auxiliary intake port 211 is formed by cutting a part of the bottom surface of the hood 200.

An auxiliary filter 213 is installed on the auxiliary intake port 211. Like the main filter 117, the auxiliary filter 213 removes contaminants contained in the air sucked through the auxiliary inlet 211.

In the hood 200, two compartment bars 220 are provided. The compartment bar 220 may be configured such that the air containing contaminants sucked through the auxiliary intake port 211 is discharged to the outside of the hood casing 100 while the hood 200 is drawn out of the hood casing 100, And the like to the space where it is installed. The compartment bar 220 is formed in a bar shape having a longitudinal section corresponding to the longitudinal section of the internal space of the hood 200 and a predetermined length in the fore and aft directions. At this time, the length of the partitioning bar 220 is at least partially overlapped with the partition rib 125 when the hood 200 is drawn out to the outside of the hood casing 100, Is determined within a range that does not interfere with the storage of the hood (200) into the inside. In other words, the length of the partition bar 220 is determined to be at least the range of the length of the hood 200 and the length of the hood casing 100 or less. The compartment bar 220 is positioned between the mounting ribs 123 and the shaft supporting ribs 127 and the partition ribs 125 in the mounting bracket 120.

A drive projection 221 is provided at a rear end of the partitioning bar 220. The driving protrusion 221 turns on the first and second switches 180 and 190 in accordance with the insertion and removal of the hood 200. More specifically, when the hood 200 housed in the hood casing 100 is completely drawn out to the outside of the hood casing 100, . When the hood 200 drawn out to the outside of the hood casing 100 is completely housed in the hood casing 100, the driving protrusion 221 is turned on .

Each of the partitioning bars 220 is provided with a rack 230. And the rack 230 is gear-engaged with the second driven gear 150, respectively. Therefore, when the driving motor 130 is driven, the driving force of the driving motor 130 is transmitted to the hood 150 by the main driving gear, the first to third driven gears 140, 150, 160 and the rack 230, 200).

On the front surface of the hood 200, a front panel 240 is provided. The front panel 240 substantially forms the front surface of the hood 200. The front panel 240 is formed in a shape corresponding to the front surface of the hood casing 100. The rear surface of the front panel 240 is in close contact with the front surface of the hood casing 100 while the hood 200 is housed inside the hood casing 100. [ A rounding part 241 is provided at the lower end of the front panel 240. The rounding part 241 is formed by bending a part of the lower end of the front panel 240 with a predetermined curvature. The rounding part 241 prevents the user from hitting the edge of the front panel 240 while the hood 200 is drawn out to the outside of the hood casing 100, In order to ensure the visibility for confirming the operation of the apparatus.

4 and 5, the front panel 240 is provided with four operation buttons 233, 235, 237, and 239. The operation buttons 233, 235, 237 and 239 include a hood extraction button 233, a hood storage button 235, a band fan drive / stop button 237 and an illumination button 239.

The hood extraction button 233 is used to output an operation signal for starting the extraction of the hood 200 to the outside of the hood casing 100 and an operation signal for outputting the hood 200 to the outside of the hood casing 100 And receives an operation signal for stopping the operation. More specifically, when the hood release button 233 is operated while the hood 200 is housed in the hood casing 100, that is, when the driving motor 130 is stopped, The motor 130 rotates in the normal direction and the hood 200 is drawn out to the outside of the hood casing 100. When the hood release button 233 is operated during the process of pulling the hood 200 out of the hood casing 100, that is, during the driving of the driving motor 130 in the normal direction, the driving motor 130 Is stopped and the hood 200 is stopped in a state where the hood 200 is drawn out to the outside of the hood casing 100 through only a predetermined distance.

The hood storing button 235 is operated by an operation signal for starting the storage of the hood 200 into the hood casing 100 and an operation signal for starting the storage of the hood 200 into the hood casing 100 . More specifically, when the hood storing button 235 is operated while the hood 200 is drawn out to the outside of the hood casing 100, that is, the driving motor 130 is stopped, The motor 130 is rotated in the opposite direction so that the hood 200 is housed inside the hood casing 100. When the hood 200 is housed in the hood casing 100, that is, when the hood storing button 235 is operated in the course of driving the driving motor 130 in the reverse direction, the driving motor 130 Is stopped and the hood 200 is stopped within a predetermined distance from the hood casing 100.

The vent fan drive / stop button 237 receives an operation signal for driving and stopping the vent fan 300. Accordingly, when the vent fan driving / stop button 237 is operated while the vent fan 300 is stopped, the vent fan 300 is driven. When the vent fan driving / stop button 237 is operated while the vent fan 300 is driven, the vent fan 300 is stopped.

Also, the illumination button 239 receives operation signals for the on and off operations of the lamp 400. In other words, when the illumination button 239 is operated while the lamp 400 is turned off, the lamp 400 is turned on. When the illumination button 239 is operated while the lamp 400 is turned on, the lamp 400 is turned off.

In this embodiment, both the hood extraction button 233, the hood storage button 235, the bant fan driving / stop button 237, and the illumination button 239 are provided on the front panel 240, no. For example, the front panel 240 may be provided with only the hood extraction button 233 and the hood storage button 235, or the hood extraction button 233, the hood storage button 235, (237). Of course, the hood extraction button 233, the hood storage button 235, the bass fan driving / stop button 237, and the illumination button 239 may all be provided in the control portion of the microwave oven 10.

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

6 and 7 are operational state diagrams showing the process of inserting and removing the hood in the first embodiment of the microwave oven combined with the hood according to the present invention.

6, when the user operates the hood release button 233, the driving motor 130 rotates in the forward direction. The first to third driven gears 140, 150 and 160 coupled to the driving motor 130 are rotated in the normal direction and the first and second driven gears 140 and 150 and 160 are rotated in the forward direction, The combined rack 230 is moved forward of the microwave oven 10. [ When the rack 230 moves toward the front of the microwave oven 10, the hood 200 slides toward the front of the microwave oven 10 with respect to the hood casing 100, .

When the hood 200 is completely drawn out to the outside of the hood casing 100 by driving the driving motor 130 in the forward direction, the driving projection 221 turns on the first switch 180. Accordingly, the first switch 180 generates a signal for stopping the driving of the driving motor 130 in the forward direction, and the driving motor 130 is stopped.

When the user operates the ventilation fan driving / stop button 237 in this state, the ventilation fan 300 is driven to feed the cooked food from the cooking appliance 1 through the main intake port 113 and the auxiliary intake port 211 The air containing contaminants generated in the process of being sucked into the microwave oven 10 is sucked into the microwave oven 10. The air sucked into the microwave oven 10 flows through the outdoor discharge passage and is discharged to the outside of the room or flows out through the indoor discharge passage while being discharged from the discharge grill 15 through the discharge grill 15 do.

Next, referring to FIG. 7, it is determined that the discharge of the air containing the pollutants generated in the process of cooking of the food in the cooking device 1 or the completion of the cooking of the food in the cooking device 1 is completed The user operates the vantum fan drive / stop button 237. [ Accordingly, the driving of the vent fan 300 is stopped.

In this state, when the user operates the hood storing button 235, the driving motor 130 is driven in the reverse direction and the hood 200 starts to be housed in the hood casing 100. When the hood 200 is completely housed in the hood casing 100, the driving protrusion 221 turns on the second switch 190. Accordingly, the driving of the driving motor 130 in the reverse direction is stopped.

The user may be aware that the hood 200 may be removed before the hood 200 is completely drawn out of the hood casing 100 or in the process of housing the hood 200, If it is determined that the hood 200 is sufficiently drawn out or stored outside the hood casing 100 before the hood 200 is completely housed in the hood casing 100, (235) can be operated. When the user operates the hood release button 233 or the hood storage button 235 while the hood 200 is being drawn out or stored outside the hood casing 100, The driving to the forward direction or the reverse direction of the vehicle is stopped. Therefore, the hood 200 is kept at a predetermined distance from the hood casing 100 or at a predetermined distance from the hood casing 100. In this state, the user can operate the vent fan 300 by operating the vent fan driving / stop button 237 to perform the hood function.

Also, according to the user's selection, the hood function can be performed even when the hood 200 is accommodated in the hood casing 100. That is, when the user operates the vent fan driving / stop button 237 while the hood 200 is housed in the hood casing 100, when the vent fan 300 is driven, The air containing the pollutant is sucked only through the suction port 213.

Hereinafter, a second embodiment of a microwave oven combined with a hood according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 8 is a perspective view showing a main part of a second embodiment of the present invention, and FIG. 9 is a plan view showing a main part of a second embodiment of the present invention. The same elements as those of the first embodiment of the present invention described above will not be described in detail.

Referring to FIGS. 8 and 9, a hood casing 500 and a hood 600 for a hood function are provided below the microwave oven 10 (see FIG. 1). Is fixed to the bottom surface of the microwave oven (10) of the hood casing (500). The hood 600 is slidably mounted on the front and rear sides of the microwave oven 10 to be installed in the hood casing 500.

More specifically, the hood casing 500 is formed in the shape of a flat hexahedron having an open top surface. The hood casing 500 is formed separately from the microwave oven 10 and mounted on the lower portion of the microwave oven 10. In the front of the hood casing 500, a cash drawer 511 serving as an inlet through which the hood 600 is inserted and removed is formed.

A main air inlet 513 is provided on the bottom surface of the hood casing 500. A light of a lamp (not shown) for lighting is incident on a bottom surface of the hood casing 500 corresponding to one side of the main air inlet 513 through an illumination opening (not shown) irradiated with the cooking appliance 1 515 are provided. A main filter 517 for removing contaminants contained in the air sucked through the main air inlet 513 is installed on the main air inlet 513.

An air barrier 519 is provided on the bottom surface of the hood casing 500 corresponding to the front of the illumination opening 515. The air barrier 519 serves to prevent air containing contaminants flowing inside the hood casing 500 from contacting the lamp.

Meanwhile, two first guide bars 520 are provided in the hood casing 500. The first guide bar 520 is for fixing the first rail 711 to be described later. The first guide bar 520 is disposed in the hood casing 500 so that air containing contaminants sucked through the main inlet port 513 and the auxiliary inlet port 611 flows into the outdoor discharge passage or the indoor discharge passage. As shown in Fig.

The front end of the first guide bar 520 is adjacent to the rear end of the hood 600 in a state where the hood 600 is inserted into the hood casing 500, And the rear end may be in close contact with the rear surface of the hood casing 500. It is preferable that the upper end of the first guide bar 520 is closely attached to the bottom surface of the cavity in a state where the upper end of the first guide bar 520 is installed below the microwave oven 10 of the hood casing 500.

A mounting bracket 530 is provided inside the hood casing 500. The mounting bracket 530 is for installing a latch module 720 to be described later. The mounting bracket 530 is positioned on a line bisecting the left and right sides of the hood casing 500. Therefore, the mounting bracket 530 substantially crosses the main air inlet 513. However, the mounting bracket 530 is positioned so as not to interfere with the receipt and payment of the hood 600. [ To this end, the mounting bracket 530 is positioned below the hood 600 housed in the hood casing 500 in this embodiment. However, the front end of the mounting bracket 530 may be spaced rearward from the rear end of the hood 600 housed in the hood casing 500.

The hood 600 is formed in a flat hexahedron shape having a longitudinal section corresponding to the cash drawer opening 511 and having a rear surface opened. The hood 600 slides forward and backward of the microwave oven 10 and is delivered to the inside and outside of the hood casing 500 through the cashbox opening 511. The upper and lower surfaces of the hood 600 are formed so as not to overlap with the main air inlet 513 while the hood 600 is housed inside the hood casing 500. In other words, the rear end of the upper and lower surfaces of the hood 600 is positioned in front of the main air inlet 513 while the hood 600 is housed inside the hood casing 500.

An auxiliary intake port 611 is provided on the bottom surface of the hood 600. The auxiliary intake port 611 is formed in a manner such that the air containing contaminants generated during the cooking process of the cooking utensil 1 in the state that the hood 600 is drawn out of the hood casing 500 is sucked It serves as an entrance. The auxiliary intake port 611 is formed by cutting a part of the bottom surface of the hood 600. The auxiliary suction port 611 is positioned so as to completely overlap with the main suction port 513 in a state where the hood 600 is completely inserted into the hood casing 500. In this embodiment, Substantially, the auxiliary intake port (611) is located in the region of the main intake port (513).

An auxiliary filter 613 is provided on the auxiliary intake port 611. Like the main filter 517, the auxiliary filter 613 serves to remove contaminants contained in the air sucked through the auxiliary suction port 611.

The hood (600) is provided with two second guide bars (620). The second guide bar 620 may be configured to allow the contaminants that are sucked through the auxiliary inlet 611 to flow into the inside of the hood casing 500 while the hood 600 is being drawn out of the hood casing 500. [ . A second rail 712, which will be described later, is fixed to the second guide bar 620. The second guide bar 620 is formed in a bar shape having a longitudinal section corresponding to the longitudinal section of the inner space of the hood 600 and a predetermined length in the fore and aft direction. One side of the second guide bar 620 faces the other side of the first guide bar 520. More specifically, the second guide bar 620 is positioned between the side of the hood casing 500 and the first guide bar 520, respectively. The length of the second guide bar 620 is determined in a range that does not interfere with the storage of the hood 600 into the inside of the hood casing 500. In other words, the length of the second guide bar 620 may be determined to be at least the range of the length of the hood 600 and the length of the hood casing 500 or less.

Further, a mounting rib 630 is provided on the rear surface of the hood 600. The installation rib 630 is positioned on a line bisecting the rear surface of the hood 600. A latch projection 730 to be described later is fixed to the mounting rib 630.

On the front surface of the hood 600, a front panel 640 is provided. The front panel 640 substantially forms the front surface of the hood 600. The front panel 640 is formed in a shape corresponding to the front surface of the hood casing 500. The rear surface of the front panel 640 is spaced apart from the front surface of the hood casing 500 by a predetermined distance in a state where the hood 600 is accommodated in the hood casing 500. And an inclined portion 631 is provided at the lower end of the front panel 640. The inclined portion 631 is formed by extending a part of the lower end of the front panel 640 downward at a predetermined angle toward the rear. The inclined portion 631 prevents the user from hitting the edge of the front panel 640 while the hood 600 is extended to the outside of the hood casing 500, 1) in order to ensure the visibility for confirming the operation.

Two rail assemblies 710 are provided to guide the hood 600 into and out of the hood casing 500. The rail assembly 710 includes first to third rails 711, 712, and 713. The first and second rails 711 and 712 are fixed to one surface of the first and second guide bars 520 and 620 facing each other. The third rails 713 are slidably mounted on the first and second rails 711 and 712, respectively.

A locking device is provided to prevent the hood 600 from being drawn out of the hood casing 500 when the hood 600 is housed in the hood casing 500. The locking device includes a latch module 720 and a latch projection 730.

The latch module 720 is installed on the upper surface of the mounting bracket 530. The latch module 720 is provided with a latch slot 811 into which the latch protrusion 730 is inserted and a latch hook (not shown) selectively engaged with the latch protrusion inserted through the latch slot 811 .

The latch protrusion 730 is installed on the rear surface of the mounting rib 630. The latch protrusion 730 is inserted into the latch module 720 through the latch slot 811 when the hood 600 is housed in the hood casing 500 and is engaged with the latch hook All. When an external force is applied in a direction in which the hood 600 is received in the hood casing 500 while the hood 600 is drawn out of the hood casing 500, The latch protrusion 730 penetrates through the latch slot 811 and is inserted into the latch module 720 to engage with the latch hook. When the latch protrusion 730 is engaged with the latch hook and an external force is applied in a direction in which the hood 600 is housed in the hood casing 500, And is taken out of the hook and out of the latch module 720 through the latch slot 811.

9, in order that the hood 600 is pulled out to the front of the hood casing 500 while the latch protrusion 730 is detached from the latch hook, a leaf spring 740 . The front end of the leaf spring 740 is fixed to the hood 600. The leaf spring 740 is wound on a roller 751 that is rotatably mounted on a spring holder 750 of the hood casing 500 by a predetermined length. The length of the leaf spring 740 wound around the roller 751 may be determined to be a value greater than a distance at which the hood 600 is drawn out to the outside of the hood casing 500. Accordingly, when the latch protrusion 730 is detached from the latch hook, the leaf spring 740 is released from the roller 751, so that the hood 600 is drawn out of the hood casing 500.

Two dampers (760) are installed on the bottom surface of the hood casing (500). The damper 760 prevents the hood 600 from being pulled out of the hood casing 500 at a high speed due to the elastic force of the leaf spring 740. Since the structure of the damper 760 is widely air-blown in the past, a detailed description thereof will be omitted.

Hereinafter, a third embodiment of a hood-use microwave oven according to the present invention will be described in detail with reference to the accompanying drawings.

Fig. 10 is a longitudinal sectional view schematically showing a main portion of a third embodiment of a hood-use microwave oven according to the present invention. The same elements as those of the first and second embodiments of the present invention are not described in detail.

Referring to FIG. 10, in the present embodiment, the hood casing 810 is provided with a main air intake port 811 through which air containing contaminants is sucked. A hood 910 is installed in the hood casing 810 so as to be removable from the inside and outside of the hood casing 810. It is needless to say that the structure for loading and unloading the hood 910 into and out of the hood casing 810 may be the same as that of the first or second embodiment of the present invention. The hood 910 is provided with an auxiliary intake port 911 for sucking air containing contaminants.

A main filter 813 and a first auxiliary filter 913 are provided on the main suction port 811 and the auxiliary suction port 911, respectively. The main filter 813 and the first auxiliary filter 913 serve to remove contaminants contained in the air sucked through the main air inlet 811 or the auxiliary air inlet 911, respectively.

A second auxiliary filter 915 is provided in the hood casing 810. The second auxiliary filter 915 serves to remove the contaminants remaining in the air passing through the main filter 813 and the first auxiliary filter 913 and flowing through the channel (not shown). The second auxiliary filter 915 may be disposed at a position where the hood 910 is not interfered with by the hood 910 while the hood 910 is accommodated in the hood casing 810, 810). The second auxiliary filter 915 may be formed to shield at least all of the flow path through which the air sucked through the main inlet port 811 and the auxiliary inlet port 911 flows.

The foreign matter contained in the air sucked through the main suction port 811 and the auxiliary suction port 911 is separated by the main filter 813 and the first and second auxiliary filters 915, Foreign matter contained in the air sucked through the intake port 811 and the auxiliary intake port 911 can be more efficiently removed.

Hereinafter, the fourth and fifth embodiments of the hood-use microwave oven according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 11 is a longitudinal sectional view schematically showing a main part of a fourth embodiment of a hood-use microwave oven according to the present invention, and FIG. 12 is a longitudinal sectional view schematically showing a main part of a fifth embodiment of the hood-

Referring to FIG. 11, in the fourth embodiment of the present invention, a main air inlet 821 through which air containing contaminants is sucked is provided in the hood casing 820. A hood 920 is installed inside and outside the hood casing 820 in a detachable manner. It is needless to say that the structure for loading and unloading the hood 920 into and out of the hood casing 820 may be the same as that of the first or second embodiment of the present invention. The hood 920 is provided with an auxiliary intake port 921 for sucking air containing contaminants.

A main filter 823 is installed in the main intake port 821. The main filter 823 removes foreign matter contained in the air sucked through the main air inlet 821. An auxiliary filter 923 is provided in the inside of the hood casing 820, more specifically, at the inner front end of the hood casing 820 corresponding to the front of the main air intake port 821. The auxiliary filter 923 serves to remove foreign substances contained in the air sucked through the auxiliary intake port 921. At this time, the auxiliary filter 923 is installed so that the lower end of the auxiliary filter 923 is vertically rotatable about the hinge 923H at the upper end thereof. When the hood 920 is drawn out of the hood casing 820, upper and lower ends of the auxiliary filter 923 are connected to the bottom of the cavity (not shown) and the bottom surface of the hood casing 820, As shown in FIG. Therefore, when the hood 920 is drawn out to the outside of the hood casing 820, foreign substances contained in the air sucked through the auxiliary intake port 921 are removed by the auxiliary filter, The reception and discharge of the hood 920 to the outside of the auxiliary filter 820 is not interfered with by the auxiliary filter 923.

12, in the fifth embodiment of the present invention, the hood casing 830, the main intake port 831, the hood 930, the auxiliary intake port 931, and the main filter 833, Which is the same as the fourth embodiment of the invention. However, in the present embodiment, the auxiliary filter 933 is installed so that the upper end thereof is rotatable about the hinge 933H at the lower end thereof.

The upper and lower ends of the auxiliary filter 933 are respectively connected to the bottom of the cavity and the outer surface of the hood casing 830 when the hood 930 is stored in the hood casing 830, An elastic member 940 is provided to be positioned adjacent the bottom surface. The elastic member 940 applies an elastic force to the auxiliary filter 933 so that the auxiliary filter 933 rotates about the hinge 933H in the counterclockwise direction in FIG.

The auxiliary filter 933 is elastically deformed by the elastic force of the elastic member 940 while the upper and lower ends of the auxiliary filter 933 are positioned adjacent to the bottom surface of the cavity and the bottom surface of the hood casing 830, In Fig. 12, a stopper 933S is provided to prevent further rotation in the counterclockwise direction in the drawing. The stopper 933S is provided on the bottom surface of the cavity or inside the both side surfaces of the hood casing 830. [

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the above teachings. will be.

In the fourth and fifth embodiments of the present invention described above, the filter is not provided on the auxiliary intake port, but a separate filter may be provided on the auxiliary intake port. In the fourth and fifth embodiments of the present invention, the lower end or the upper end of the auxiliary filter rotates forward and backward with respect to the hinge, but is not limited thereto. For example, the auxiliary filter may be constituted by two pieces, each of which has a lower end or an upper end turning around the hinge in the inside of the hood casing.

According to the microwave oven combined with the hood according to the present invention configured as described above, the following effects can be expected.

First, in the present invention, the hood is disposed in front of and behind the microwave oven, thereby substantially increasing the area capable of sucking air containing contaminants, or preventing the diffusion of air containing contaminants. Therefore, the user can cook the food in a cleaner environment.

In the present invention, the pollutants contained in the air sucked through the main air inlet and the auxiliary air inlet are removed by the filter. Therefore, the air sucked through the main intake port and the auxiliary intake port is discharged into the room or the outside in a state where the pollutants are removed, so that a cleaner environment can be maintained.

Further, in the present invention, the filter is substantially located inside the hood casing. Therefore, even when the microwave oven is installed as a built-in microwave oven, it is possible to easily attach and detach the filter without detaching the microwave oven.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a state in which a first embodiment of a hood-use microwave oven according to the present invention is installed.

2 is a perspective view showing a main part of a first embodiment of the present invention;

3 is a perspective view showing an installation bracket constituting a first embodiment of the present invention;

4 is a front view showing a front panel constituting a first embodiment of the present invention;

5 is a block diagram showing a first embodiment of the present invention.

FIG. 6 and FIG. 7 are operational states showing the process of inserting and removing the hood in the first embodiment of the microwave oven combined with a hood according to the present invention.

8 is a perspective view showing a main part of a second embodiment of the present invention.

9 is a plan view showing a main part of a second embodiment of the present invention.

Fig. 10 is a longitudinal sectional view schematically showing a main part of a third embodiment of the hood-and-serve microwave oven according to the present invention; Fig.

FIG. 11 is a longitudinal sectional view schematically showing a main portion of a fourth embodiment of a microwave oven combined with a hood according to the present invention. FIG.

FIG. 12 is a longitudinal sectional view schematically showing a main part of a fifth embodiment of a microwave oven combined with a hood according to the present invention. FIG.

Claims (19)

A microwave oven having a hood function for discharging contaminated air generated in a cooking device disposed at a lower side, A cavity provided with a cooking chamber; A heating source for supplying heat to the cooking chamber; A hood casing mounted on a lower portion of the cavity and having an intake port through which the contaminated air is sucked; A hood which is installed inside and outside the hood casing so as to be able to receive the air, and has an air inlet for sucking the contaminated air; A filter installed on the flow path through which the contaminated air sucked through the suction port of the hood casing and the suction port of the hood flows and filters the contaminated air sucked through the suction port of the hood casing and the suction port of the hood; And And a fan for providing a suction force for sucking the contaminated air through the suction port of the hood or the suction port of the hood casing, The filter includes: A main filter provided at an intake port of the hood casing, And a subsidiary filter for filtering the contaminated air flowing into the suction port of the hood in conjunction with an operation of the hood to be drawn out from the hood casing to the outside. The method according to claim 1, The sub- An upper end hinged to the lower portion of the cavity or the upper portion of the hood casing, And the lower end of the hood is pivotally connected to the bottom surface of the hood casing when the hood is drawn out to the outside from the hood casing. The method according to claim 1, The sub- The lower end is hinged to the bottom surface of the hood casing, And the upper end is adjacent to the lower portion of the cavity or the upper portion of the hood casing when the hood is drawn out to the outside from the hood casing. The method of claim 3, And an elastic member provided on the auxiliary filter to rotate the auxiliary filter. 5. The method of claim 4, And a stopper provided at a lower portion of the cavity or at an upper portion of the hood casing to restrict rotation of the auxiliary filter after the hood is drawn out from the hood casing. delete delete delete The method according to claim 1, Wherein the hood is slid forward and backward by a driving motor installed inside the hood casing, and is housed inside and outside the hood casing. The method according to claim 1, Wherein the hood is drawn out to the outside of the hood casing by an elastic force applied from an elastic member only when the locking device is unlocked. 11. The method of claim 10, The locking device comprises: A latch module installed in the hood casing, the latch module including a latch slot and a latch hook; And A latch protrusion provided in the hood and inserted through the latch slot to selectively engage the latch hook; And a hood combination microwave oven. 11. The method of claim 10, The elastic member A leaf spring having one end fixed to the hood, A roller on which the leaf spring is wound, And a spring holder provided in the hood casing and in which the roller is rotatably installed, And the leaf spring is released from the roller to push the hood out of the hood casing. delete delete 3. The method of claim 2, The lower end of the sub- The hood is turned forward when the hood is drawn out from the hood casing, Wherein the hood is pivoted rearward when the hood is inserted into the hood casing. 3. The method of claim 2, Wherein the lower end of the auxiliary filter is adjacent to a bottom surface of the hood casing when the hood is pulled out from the hood casing by its own weight. delete The method according to claim 1, And a second auxiliary filter through which the air having passed through the main filter and the auxiliary filter passes. 19. The method of claim 18, Wherein the second auxiliary filter is installed on a flow path through which air having passed through the main filter and the auxiliary filter flows.

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