KR101789824B1 - Cooker - Google Patents

Abstract

The present invention relates to a cooking appliance. One aspect of an embodiment of a cooking apparatus according to the present invention is a cooking apparatus comprising: a casing forming an outer appearance; A cavity located inside the casing and having a cooking chamber in which food is cooked; Wherein at least one mixing tube for supplying a mixed gas is provided in the cavity so as to penetrate through the cavity, the mix tube being located inside the cooking chamber and burning a gas mixture of air and gas to supply energy for cooking the food in the cooking cavity, At least one burner extending into the interior of the casing; And a guide duct which is located inside the casing and guides the exhaust gas flowing back into the casing from the cooking chamber through the mixing tube when the heating source is stopped; . In the embodiment of the cooking apparatus according to the present invention, it is possible to prevent the contamination of the cooking appliance caused by the exhaust gas flowing back through the burner and the damage of the components constituting the cooking appliance.

Description

Cooker {Cooker}

The present invention relates to a cooking appliance.

A cooking appliance is a household appliance that heats and cooks food using gas or electricity. Among such cooking devices, a cooking appliance using gas is provided with a burner that generates energy for heating the food. On the other hand, in the case of a red burner which is one type of burner, a mixed gas in which air and gas are mixed is burned on the surface of the combustion member to generate energy for heating the food. The warm burner is generally installed inside a cooking chamber in which cooking food is cooked. The heat-generating burner is provided with a mixing tube for mixing a mixture of air and gas and a mixed gas of both. The mixing tube extends from the inside of the cooking chamber to the inside of the cooking appliance and receives air.

Meanwhile, the combustion member is formed of a hollow material for discharging the mixed gas. Therefore, when the cooked food is cooked by another heating source, which is not provided in the cooking chamber but is additionally provided in the cooking chamber, the exhaust gas may flow into the inside of the red burner through the combustion member. The exhaust gas flowing into the inside of the red-hot burner flows backward through the mixing tube and flows inside the cooking appliance, thereby contaminating the inside of the cooking appliance or damaging various components constituting the cooking appliance .

SUMMARY OF THE INVENTION It is an object of the present invention to provide a cooking apparatus which is configured to prevent the exhaust gas inside the cooking chamber from flowing backward through the burner to contaminate the inside of the cooking chamber.

According to an aspect of the embodiment of the present invention, there is provided a cooking apparatus comprising: a casing forming an outer appearance; A cavity located inside the casing and having a cooking chamber in which food is cooked; Wherein at least one mixing tube for supplying a mixed gas is provided in the cavity so as to penetrate through the cavity, the mix tube being located inside the cooking chamber and burning a gas mixture of air and gas to supply energy for cooking the food in the cooking cavity, At least one burner extending into the interior of the casing; And a guide duct which is located inside the casing and guides the exhaust gas flowing back into the casing from the cooking chamber through the mixing tube when the heating source is stopped; .

According to another aspect of the present invention, there is provided an air conditioner comprising: a casing forming an appearance and having a flow path for air to flow therein; A cavity located inside the casing and having a cooking chamber in which food is cooked; At least one burner positioned inside the cooking chamber and having at least one mixing tube for receiving a mixed gas of air and gas through the cavity and extending into the channel; And an exhaust duct for exhausting the exhaust gas of the cooking chamber to the outside of the casing when the heating source operates; And a guide duct for guiding the exhaust gas flowing back into the casing from the cooking chamber through the mixing tube when the heating source stops, to the outside of the casing; .

In the embodiment of the cooking apparatus according to the present invention, even if the exhaust gas inside the cooking chamber flows backward through the burner and flows into the cooking appliance, it is guided by the guide duct and discharged to the outside of the cooking appliance. Therefore, according to the embodiment of the present invention, it is possible to prevent the contamination of the cooking appliance caused by the exhaust gas flowing backward through the burner and the damage of the components constituting the cooking appliance.

1 is a longitudinal sectional view showing a first embodiment of a cooking apparatus according to the present invention;
2 is a rear perspective view showing the main part of the first embodiment of the present invention.
FIG. 3 and FIG. 4 are longitudinal sectional views showing the flow of air in the first embodiment of the cooking apparatus according to the present invention. FIG.
5 is a rear perspective view showing a cooking apparatus according to a second embodiment of the present invention.

Hereinafter, the structure of the first embodiment of the cooking apparatus according to the present invention will be described in more detail with reference to the accompanying drawings.

FIG. 1 is a longitudinal sectional view showing a first embodiment of a cooking apparatus according to the present invention, and FIG. 2 is a rear perspective view showing a main portion of the first embodiment of the present invention.

Referring to Figs. 1 and 2, a casing 10 forms an outer appearance of a cooking appliance. The casing (10) is formed in a hexahedron shape having a substantially open front face. The upper surface of the casing (10) is formed by a top plate (11). The rear end of the top plate 11 extends upwardly at a predetermined angle, for example, a right angle, with respect to the rest of the top plate 11. Side panels 13 are formed on both side surfaces of the casing 10, and a back cover 15 is formed on the rear surface of the casing 10. The bottom surface of the casing 10 is formed with a bottom plate 17. At both side ends of the bottom plate 17, an air inlet (not shown) is formed through which the air is sucked into the casing 10.

On the other hand, a passage (P) is provided in the casing (10). The passage (P) is a place where the air sucked into the casing (10) flows through the intake port. The flow path P substantially corresponds to the gap between the back cover 15 and the rear surface of the upper cavity 100 and the lower cavity 41 described later and between the side panel 13 and the upper cavity 100 and the lower cavity 41, respectively.

The casing 10 is provided with a cook top part 20, an upper oven part 30, a lower oven part 40 and a control part 50. The cooktop portion (20) is positioned on the upper surface of the casing (10). The upper oven portion 30 and the lower oven portion 40 are located inside the casing 10, respectively. The control unit 50 is positioned at the rear end of the upper surface of the casing 10.

More specifically, the cooktop portion 20 includes a plurality of cooktop burners 21. The cooktop burner 21 is located on the upper surface of the casing 10, that is, the upper surface of the top plate 11. The cook top burner 21 heats the container containing the food by the flame generated by burning the discharged gas mixture.

The upper oven part 30 is positioned inside the casing 10 corresponding to the lower part of the cooktop part 20. The upper oven part 30 includes an upper cavity 100 having an upper oven chamber 101, a burner cover 150 installed on a lower surface of the upper cavity 100, An upper heating source for supplying energy for heating the food in the upper oven chamber 101 and an upper heating source for supplying exhaust gas to the upper oven chamber 101, Lt; / RTI >

The upper cavity 100 is formed in a hexahedron shape having a substantially open front face. The upper cavity 100 is installed in the casing 10 substantially below the top plate 11.

An upper exhaust port 111 is formed on the upper surface of the upper cavity 100. The upper exhaust port 111 serves as an outlet for exhausting the exhaust gas inside the upper oven chamber 101 to the outside. A tube through-opening 113 is formed in the rear surface of the upper cavity 100. The tube through-opening 113 is a place through which the mixing tube 240 passes, which will be described later. A heat supply opening (not shown) is formed on the bottom surface of the upper cavity 100. The heat supply opening serves to transfer the hot air inside the burner chamber 151, which will be described later, to the upper oven chamber 101. The heat supply openings are elongated in forward and backward directions at both side ends of the base plate 120.

Meanwhile, the burner cover 150 defines the bottom surface of the upper cavity 100 and the burner chamber 151. The burner chamber 151 is a place where an upper baking burner 300 to be described later is installed. The burner cover 150 is installed on the bottom surface of the upper cavity 100.

And the upper heating source includes an upper broiler burner 200 and an upper bake burner 300. The upper broiler burner 200 serves to radiantly heat the food in the upper oven chamber 101. The upper bake burner 300 serves to heat air transferred to the interior of the upper cavity 100. In the present embodiment, the upper broiler burner 200 and the upper bake burner 300 are operated to interlock with each other. That is, in the upper oven chamber 101, the upper broiler burner 200 or the upper bake burner 300 cooks the food.

The upper broiler burner 200 is installed at an upper portion of the upper oven chamber 101. In this embodiment, the upper burner 200 is a glow burner. More specifically, the upper broiler burner 200 includes a burner port 210, a combustion member 220, a port cover 230, a mixing tube 240, and an ignition unit 250.

The burner port 210 is formed in a polygonal shape with a bottom surface opened. A mixed gas in which gas and air are mixed is supplied into the burner port 210.

The combustion member 220 is positioned on the bottom surface of the burner port 210. The combustion member 220 may be formed of a porous material, for example, a ceramic material. The mixed gas supplied into the burner port 210 passes through the combustion member 220 and is burnt on the surface thereof.

The port cover 230 serves to fix the combustion member 220 positioned on the bottom surface of the burner port 210. The port cover 230 is fixed to the burner port 210 in a state where the combustion member 220 is positioned on the bottom surface of the burner port 210. [

Meanwhile, the mixing tube 240 mixes gas and air, and supplies the generated mixed gas to the burner port 210. The mixing tube 240 extends from the rear surface of the burner port 210 to the outside of the upper cooking chamber 101, that is, the passage P, through the tube through-hole 113. A part of the mixing tube 240 is located inside the upper cooking chamber 101 and the rest of the mixing tube 240 is located on the flow channel P. In this embodiment, the mixing tube 240 is disposed on the rear surface of the burner port 210 so as to be spaced laterally. However, the number of the mixing tubes 240 is not limited thereto.

The ignition unit 250 serves to ignite the mixed gas on the surface of the combustion member 220. The ignition unit 250 is fixed to one side of the port cover 230. At this time, the ignition unit 250 is positioned below the combustion member 220 by a predetermined distance. In the present embodiment, the ignition unit 250 ignites the gas mixture heated to a high temperature and discharged to the surface of the combustion member 220.

 The upper oven part (30) is provided with a nozzle (270). The nozzle 270 serves to inject gas into the mixing tube 240. A gas pipe 271 for supplying gas is connected to the nozzle 270. The nozzle 270 is fixed to the rear end of the mixing tube 240 by a nozzle holder 273.

The upper bake burner 300 is installed inside the burner chamber 151. As the upper baking burner 300, a general gas burner having a plurality of burn holes for discharging a mixed gas may be used. The upper baking burner 300 substantially heats the air inside the burner chamber 151.

The upper exhaust duct 410 serves to exhaust the exhaust gas from the inside of the upper oven chamber 101 to the outside of the casing 10. In other words, the exhaust gas in the upper oven chamber 101 flows through the upper exhaust duct 410 and is discharged to the outside of the casing 10. The lower end and the upper end of the upper exhaust duct 410 communicate with the upper exhaust port 111 and the exhaust slot 53, respectively, which will be described later.

Meanwhile, the lower oven part 40 is located inside the casing 10 corresponding to the lower part of the upper oven part 30. [ That is, the upper oven 30 and the lower oven 40 may be stacked up and down. The lower oven part 40 includes a lower cavity 41 provided with a lower oven chamber 42, a burner cover 44 provided on a lower surface of the lower cavity 41, A lower heating source for heating the food in the lower oven chamber 42, a lower exhaust duct 49 for exhausting the exhaust gas from the lower oven chamber 42, .

The lower cavity (41) is positioned substantially below the upper cavity (100). Like the upper cavity 100, the lower cavity 41 is also formed in a hexahedron shape having a front opening. However, in this embodiment, the height of the lower cavity 41 is relatively higher than that of the upper cavity 100. A lower exhaust port (43) is formed on the rear surface of the lower cavity (41). The lower exhaust port (43) serves as an outlet for exhausting the exhaust gas inside the lower oven chamber (42).

And the lower heating source may include, for example, a lower bake burner 47 and a convection device 48. Since the lower bake burner 47 and the convection device 48 are the same as those used in a general oven, detailed description thereof will be omitted.

The lower exhaust duct 49 serves to exhaust exhaust gas from the inside of the lower oven chamber 42 to the outside of the casing 10. To this end, the lower end of the lower exhaust duct 49 is connected to the lower exhaust port 43. The upper end of the lower exhaust duct (49) is connected to one side of the upper exhaust duct (410). The exhaust gas from the lower oven chamber 42 flows through the lower exhaust duct 49 and the upper exhaust duct 410 in order and is discharged to the outside of the casing 10 through the exhaust slot 53 .

On the other hand, the control unit 50 is provided at the rear end of the upper surface of the casing 10 corresponding to the rear of the top plate 11. The control unit 50 receives signals for operating the upper oven 30 and the lower oven 40 and receives information about the operation of the upper oven 30 and the lower oven 40, .

The control panel (51) forms the front and both side surfaces of the control unit (50). The lower end of the front surface of the control panel 51 is spaced upward from the upper end of the top plate 11 by a predetermined distance. Therefore, a predetermined gap is formed between the top of the top plate 11 and the bottom of the front surface of the control panel 51. Hereinafter, a clearance between the top plate 11 and the control panel 51 is referred to as an exhaust slot 53 for convenience of explanation. The exhaust slot 53 serves as an outlet through which the exhaust gas inside the upper oven chamber 101 and the lower oven chamber 42 is discharged to the outside of the casing 10.

Meanwhile, in the present embodiment, the guide duct 420 is provided in the passage P. The guide duct 420 guides the exhaust gas of the upper cooking chamber 101, which flows back into the passage P through the upper blower burner 200, to be discharged to the outside of the casing 10 It plays a role. At the lower end of the guide duct 420, an air inlet 421 is provided. An air outlet 423 is provided at an upper end of the guide duct 420.

The intake port 421 is positioned in a straight upper portion of the rear end of the mixing tube 240 located in the flow path P. At this time, the projection formed in the vertical direction by the rear end of the mixing tube 240 is positioned in the projection formed by the inlet port 421 in the same direction. Accordingly, the exhaust gas of the upper cooking chamber 101, which flows backward into the passage P through the rear end of the mixing tube 240, can flow toward the guide duct 420. The exhaust port (423) is positioned adjacent to the exhaust slot (53).

In this embodiment, the guide ducts 420 are two. This is due to the position of the mixing tube 240 which is spaced laterally from the rear surface of the burner port 210, as described above. When the mixing tubes 240 are positioned adjacent to each other, the mixing tubes 240 are connected to the flow paths P (P) through the mixing tubes 240 by the guide ducts 420, The exhaust gas of the upper cooking chamber 101 can be discharged to the outside of the casing 10.

Hereinafter, the operation of the first embodiment of the cooking apparatus according to the present invention will be described in more detail with reference to the accompanying drawings.

FIGS. 3 and 4 are longitudinal sectional views showing the flow of air in the first embodiment of the cooking apparatus according to the present invention. FIG.

3, when the upper broiler burner 200 is used to cook food in the upper oven 30, a mixed gas is introduced into the burner port 210 through the mixing tube 240 . The mixed gas supplied into the burner port 210 is discharged through the surface of the combustion member 220 and ignited by the ignition unit 250. Thus, the cooked food is cooked in the upper cooking chamber 101 by the energy generated by the combustion of the mixed gas in the upper broiler burner 200.

Meanwhile, the exhaust gas generated while the mixed gas is burned in the upper blower burner 200 is discharged to the outside of the upper cooking chamber 101 through the upper exhaust port 423. The exhaust gas discharged to the outside of the upper cooking chamber 101 flows through the upper exhaust duct 410 and is discharged to the outside of the casing 10.

4, when the cooked food is cooked in the upper oven 30 by using only the upper baking burner 300, the mixed gas supplied to the upper baking burner 300 is burned, . The air in the burner chamber 151 heated by the flame of the upper baking burner 300 is transferred to the upper cooking chamber 101 through the heat supply opening. The exhaust gas generated by the combustion of the mixed gas in the upper baking burner 300 is also discharged through the upper exhaust port 423 to the outside of the upper cooking chamber 101 and flows through the upper exhaust duct 410 And is discharged to the outside of the casing (10).

A part of the exhaust gas from the upper cooking chamber 101 may be introduced into the burner port 210 through the hollow combustion member 220, that is, into the upper burner 200. The exhaust gas flowing into the burner port 210 flows back to the outside of the upper cooking chamber 101, that is, the flow channel P through the mixing tube 240.

In this embodiment, however, the exhaust gas flowing back to the flow path P through the mixing tube 240 flows through the guide duct 420 and is discharged to the outside of the casing 10. Therefore, the inside of the casing 10 can be prevented from being contaminated by the exhaust gas flowing back to the flow path P through the upper blower burner 200. Also, it is possible to prevent a component, which is installed inside the casing 10, from being damaged by the exhaust gas flowing back to the flow path P.

Hereinafter, a second embodiment of a cooking apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

5 is a rear perspective view showing a second embodiment of the cooking apparatus according to the present invention. The constituent elements of this embodiment, which are the same as the constituent elements of the above-described first embodiment of the present invention, are referred to with reference to Figs. 1 and 2, and a detailed description thereof will be omitted.

Referring to FIG. 5, in this embodiment, a guide duct 430 is installed in the flow path P. The lower end and the upper end of the guide duct 430 are provided with an intake port 431 and an exhaust port 433, respectively. The intake port 431 is located in the upper right room of the rear end of the mixing tube 240 extending into the passage P. This can be said to be the same as the first embodiment of the present invention described above. However, in the present embodiment, the exhaust port 433 is connected to one side of the upper exhaust duct 410 for exhausting the exhaust gas inside the upper cooking chamber 101. That is, in this embodiment, the exhaust gas flowing backward to the flow path P through the upper blower burner 200 sequentially flows through the guide duct 430 and the upper exhaust duct 410, And is discharged to the outside.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents. .

In the above-described embodiment, the spaces where the cooking is performed are called the upper oven chamber and the lower oven chamber, respectively, but the upper oven chamber and the lower oven chamber may be referred to as an upper cooking chamber and a lower cooking chamber, respectively.

Also, in the above-described embodiment, the upper heating source includes the upper broiler burner and the upper bake burner. However, the upper heating source may further include a convection device. Likewise, the lower heating source may further include a lower broiler burner, or the lower bake burner and the convection device may be eliminated as the lower heating source. In addition, the upper baking burner, the lower blowing burner, and the lower baking burner can be applied to the same as the upper blowing burner.

In the above-described embodiment, the upper exhaust port is defined to be formed on the upper surface of the upper cavity. However, the upper exhaust port may be provided on the rear surface of the upper cavity depending on the size of the upper cavity.

Claims (11)

A casing which forms an outer appearance and is provided with a passage through which air flows;
A cavity located inside the casing and having a cooking chamber in which food is cooked;
Wherein at least one mixing tube for supplying a mixed gas is provided in the cavity so as to penetrate the cavity and to supply the mixed gas to the mixing chamber, A burner extending into the interior of the flow path; And
A guide duct which is located inside the flow passage and sucks exhaust gas flowing into the burner when the burner is stopped and flowing back into the flow passage from the cooking chamber through the mixing tube and guiding the exhaust gas to the outside of the casing; Lt; / RTI >
An intake port for sucking the exhaust gas is provided at one end of the guide duct,
Wherein the inlet port is located above one end of the mixing tube extending through the cavity and into the channel.
The method according to claim 1,
The intake port is provided at a lower end of the guide duct,
Wherein a vertical projection of the mixing tube is located inside the projection in the same direction of the inlet.
The method according to claim 1,
And an exhaust port for exhausting exhaust gas flowing back into the passage from the cooking chamber through the mixing tube is provided at an upper end of the guide duct,
And the exhaust port communicates with the outside of the casing.
The method according to claim 1,
And an exhaust port for exhausting exhaust gas flowing back into the passage from the cooking chamber through the mixing tube is provided at an upper end of the guide duct,
Wherein the exhaust port communicates with an exhaust duct for exhausting the exhaust gas generated in the cooking chamber to the outside when the burner operates.
A casing which forms an outer appearance and is provided with a passage through which air flows;
A cavity located inside the casing and having a cooking chamber in which food is cooked;
A burner chamber provided below the cavity;
A broiler burner positioned inside the cooking chamber and having at least one mixing tube for supplying a mixed gas of air and gas through the cavity and extending into the channel;
A bake burner positioned inside the burner chamber and supplying hot air to the inside of the cooking chamber;
An exhaust duct for discharging the exhaust gas from the cooking chamber to the outside of the casing when the broiler burner or the bake burner operates; And
And an exhaust gas flowing into the broiler burner and flowing back to the inside of the flow path from the cooking chamber through the mixing tube when the broiler burner is stopped and only the bake burner operates, A guide duct for sucking air into the casing and guiding the casing to the outside of the casing; Lt; / RTI >
An intake port for sucking the exhaust gas is provided at one end of the guide duct,
Wherein the inlet port is located above one end of the mixing tube extending through the cavity and into the channel.
6. The method of claim 5,
Wherein the exhaust duct and the guide duct communicate with each other.
6. The method of claim 5,
Both ends of the exhaust duct communicate with the inside of the cooking chamber and the outside of the casing, respectively,
Wherein both ends of the guide duct communicate with the flow path and the outside of the casing, respectively.
6. The method of claim 5,
Both ends of the exhaust duct communicate with the inside of the cooking chamber and the outside of the casing, respectively,
And both ends of the guide duct communicate with the flow path and the exhaust duct, respectively.
A casing which forms an outer appearance and is provided with a passage through which air flows;
An upper cavity located inside the casing and having an upper cooking cavity in which food is cooked;
A burner chamber provided below the cavity;
An upper broiler burner positioned inside the upper cooking chamber and having at least one mixing tube for supplying a mixed gas of air and gas through the upper cavity and extending into the channel;
An upper baking burner positioned inside the burner chamber and supplying hot air into the inside of the cooking chamber;
An upper exhaust duct for exhausting the exhaust gas of the upper cooking chamber to the outside of the casing;
A lower cavity located inside the casing corresponding to a lower portion of the burner chamber and having a lower cooking cavity in which food is cooked;
A lower heating source for supplying energy for cooking of the food in the lower cooking chamber;
A lower exhaust duct communicating with the upper exhaust duct to guide the exhaust gas of the lower cooking chamber to the upper exhaust duct; And
Wherein the upper baking burner is provided inside the channel and when the cooking is performed inside the upper cooking chamber by the operation of the upper baking burner, the cooked food is introduced into the stopped upper broiler burner, A guide duct for sucking exhaust gas flowing back into the flow path and guiding the exhaust gas to the outside of the casing; Lt; / RTI >
An intake port for sucking the exhaust gas is provided at one end of the guide duct,
Wherein the inlet port is located above one end of the mixing tube extending through the upper cavity and into the channel.
10. The method of claim 9,
The lower exhaust duct and the guide duct transfer exhaust gas flowing in the lower exhaust duct and the guide duct to the upper exhaust duct,
Wherein the upper exhaust duct discharges the exhaust gas delivered from the lower exhaust duct and the guide duct to the outside.
10. The method of claim 9,
The lower exhaust duct conveys the exhaust gas flowing in the lower exhaust duct to the upper exhaust duct,
The upper exhaust duct discharges the exhaust gas delivered from the lower exhaust duct to the outside,
And the guide duct discharges the exhaust gas flowing inside the guide duct to the outside of the casing.

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