WO2010013965A2

WO2010013965A2 - Cooking appliance

Info

Publication number: WO2010013965A2
Application number: PCT/KR2009/004269
Authority: WO
Inventors: 김양호; 류정완; 양대봉; 정용기; 임재범; 김영수; 이대래; 위재혁
Original assignee: 엘지전자 주식회사
Priority date: 2008-08-01
Filing date: 2009-07-30
Publication date: 2010-02-04
Also published as: US20110186036A1; KR20100013996A; WO2010013965A3

Abstract

The embodiment of the present invention proposes a cooking appliance. The cooking appliance comprises a cavity and a burner. A cooking chamber is formed in the cavity and the burner is positoned inside the cavity. A gaseous mixture of gas and air is supplied to the burner and the burner generates flames by burning the gaseous mixture. The burner comprises first and second combustion units with a plurality of flame holes which are connected together.

Description

Cooker

This embodiment relates to a cooking appliance.

A cooking apparatus is an apparatus which cooks food using the heat of a heating source. The heating source may include a heater for generating heat using an electrical resistance, a burner for generating heat using a gas, and the like.

The cooking apparatus includes a cavity in which a cooking chamber is formed. The heating source heats the food contained in the cavity. In this case, the cooking state of the food may vary depending on whether the food is uniformly heated.

An object of the present embodiment is to propose a cooking apparatus that allows the food to be heated uniformly.

In one embodiment, a cooking apparatus includes: a cavity in which a cooking chamber is formed; And a burner positioned inside the cavity and supplied with a mixed gas of gas and air, and combusting the mixed gas to generate a flame. The burner includes: a first combustion unit in which a plurality of salt holes are formed; The second combustion unit is connected to the first combustion unit and includes a plurality of salt holes.

In another aspect, a cooking apparatus includes: a cavity in which a cooking chamber is formed; And a burner positioned inside the cavity and supplied with a mixed gas of gas and air, and combusting the mixed gas to generate a flame, wherein the burner includes a first combustion unit generating a flame and the first combustion It is connected to the part and receives the mixed gas from the first combustion unit and includes a second combustion unit, the second combustion unit is characterized in that the outer shape is formed in a closed curve shape.

According to another aspect of the present invention, a cooking apparatus includes: a cavity in which a cooking chamber is formed; And a burner positioned inside the cavity and supplied with a mixed gas of gas and air, and combusting the mixed gas to generate a flame, wherein the burner includes a first combustion unit generating a flame and the first combustion It is connected to the part is supplied with a mixed gas from the first combustion unit and includes a second combustion unit, the second combustion unit is characterized in that it is formed in the shape of a curved line opening a portion.

According to the proposed embodiment, since the food inside the cooking chamber is directly radiated and cooked by the flame formed by the combustion of the mixed gas in the salt hole of the first combustion unit and the salt hole of the second combustion unit, the inside of the cooking chamber may be cooked. By heating the food as a whole, the cooking efficiency of the food is increased.

In addition, since flames are generated at both sides of the first combustion unit and inside and outside of the second combustion unit, the flame generation area is increased to enable rapid heating of the food.

1 is a perspective view of a cooking appliance according to a first embodiment;

Figure 2 is a plan view showing an oven burner installed on the ceiling surface of the cooking chamber according to the first embodiment.

3 is a plan view showing an oven burner installed on the ceiling surface of the cooking chamber according to the second embodiment.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a cooking appliance according to a first embodiment, Figure 2 is a plan view showing an oven burner installed on the ceiling surface of the cooking chamber according to the first embodiment.

Referring to FIG. 1, the cooking appliance 1 according to the present embodiment includes a cooktop unit 100, an oven unit 200, a drawer unit 300, and a control unit 400.

The cooktop part 100, the oven part 200, and the drawer part 300 are provided at the upper part, the center part, and the lower part of the main body 10 of the cooking apparatus 1, respectively. The control unit 400 is provided at the rear end of the upper surface of the main body 10 corresponding to the rear of the cooktop unit 100.

In detail, the cooktop part 100 is provided with a plurality of cooktop burners 110. The cooktop burner 110 cooks food by directly heating a container in which food is contained in a flame generated by burning a gas.

A plurality of knobs 120 are provided at the front end of the cooktop 100. The knob 120 controls the opening or closing of a valve (not shown) for controlling gas supply and supply amount to the cooktop burner 110 or opening of the valve.

The oven unit 200 includes a cavity 210 forming the cooking chamber 211.

The cavity 210 is formed in a rectangular parallelepiped shape with an open front surface, but the shape of the cavity is not limited. The oven unit 200 includes a heating source for heating the food contained in the cooking chamber 211 inside and / or outside the cavity 210. The heating source includes one or more oven burners 230, and may further include a heater and the like.

The cooking chamber 211 is selectively opened and closed by an oven door 270. The oven door 270 opens and closes the cooking chamber 211 in a pull-down manner in which an upper end is rotated up and down about its lower end. A door handle 271 that is gripped by a user by a hand for rotation of the oven door 270 is provided at the upper front of the oven door 270.

The drawer unit 300 serves to insulate a container in which food is contained at a predetermined temperature. The drawer unit 300 is provided with a drawer 310 for receiving a container.

The control unit 400 operates an operation signal for the operation of the cooking appliance 1, more specifically, at least one operation of the cooktop unit 100, the oven unit 200, and the drawer unit 300. Receive an operation signal for In addition, the control unit 400 also serves to display various information about the operation of the cooking appliance 1 to the outside.

Meanwhile, referring to FIG. 2, as described above, the heating source includes the oven burner 230. The oven burner 230 may be installed on the ceiling surface 212 of the cooking chamber 211 in a state located inside the cavity 210.

The oven burner 230 serves to directly radiate the food inside the cooking chamber 211 by a flame generated by burning gas.

The oven burner 230 includes a first combustion unit 231 and a second combustion unit 235. In addition, the

combustion units

231 and 235 are disposed to be horizontal with the bottom surface of the cavity 210.

In detail, the first burner part 231 is formed in a straight line having a predetermined length as a whole. The first combustion unit 231 extends in the front-rear direction of the cavity while the oven burner is installed in the cavity. In addition, although not shown, the oven unit 200 includes a nozzle for supplying gas to the first combustion unit.

For example, the nozzle may pass through one sidewall of the cavity, and may be aligned with the first combustion unit 231 in a state spaced apart from the first combustion unit 231.

In this case, the first combustion unit 231 may be located on a line bisecting the left and right ceiling surfaces 212 of the cooking chamber 211. The rear end of the first combustion unit 231 is positioned adjacent to the rear end of the ceiling surface of the cooking chamber 211, and the front end of the first combustion unit 231 is approximately at the center of the ceiling surface of the cooking chamber 211. Is located.

The first combustion unit 231 has a flow path (not shown) in which gas and air supplied are mixed in the first combustion unit 231. In addition, a plurality of salt holes 233 are formed at both sides of the first combustion unit 231.

The salt hole 233 of the first combustion unit 231 is a place where the mixed gas flowing through the flow path of the first combustion unit 231 is combusted.

The second combustion unit 235 is formed in an open curve shape in which a portion of the second combustion unit opens.

The second combustion unit 235 is located at the front end of the ceiling surface 212 of the cooking chamber 211. In this case, the second combustion unit 235 may be bilaterally symmetrical with respect to a line bisecting the ceiling surface 212 of the cooking chamber 211, that is, the first combustion unit 231.

In addition, the opening of the second combustion unit 235 is installed to face the front of the cooking chamber 211.

Inside the second combustion unit 235 is provided with a flow path (not shown) in communication with the flow path of the first combustion unit 231. That is, the mixed gas flowing through the flow path of the first combustion unit 231 is transferred to the flow path of the second combustion unit 235. In addition, the mixed gas supplied from the first combustion unit flows in both sides of the second combustion unit 235.

That is, the second combustion unit 235 includes a distribution unit 235a through which the mixed gas is supplied from the first combustion unit, and a plurality of

branch units

235b and 235c branched from the distribution unit 235a. . The plurality of branch portions include a first branch portion 235b and a second branch portion 235c. One end of each

branch portion

235b and 235c is connected to the distribution portion 235a, and the other end is spaced apart from each other.

At least a portion of each of the

branch portions

235b and 235b is rounded. In addition, at least a part of the second combustion unit 235 may form a straight line.

Each

branch portion

235b and 235c includes an inner portion 236 and an outer portion 237.

The outer portion 236 includes a plurality of salt holes 238 spaced apart from each other. The inner portion 237 includes a plurality of first salt holes 239a and a plurality of second salt holes 239b.

The first salt hole 239a is formed in a straight portion of the inner portion 237, and the second salt hole 239b is formed in a curved portion of the inner portion 237. In addition, in order to prevent interference between flames generated at the curved portion of the inner part 237, a distance between the plurality of second flame holes 239b is greater than a distance between the plurality of first flame holes 239a. The spacing between the plurality of first salt holes 239a is equal to the spacing between the salt holes 238 of the outer portion 236.

Hereinafter, the operation of the cooking apparatus according to the present embodiment will be described.

First, the user operates the control unit 400 to input an operation signal for cooking of the food using the oven unit 200. When the operation signal is input through the control unit 400, the oven burner 230 operates to cook food in the cooking chamber 211.

In detail, gas and air are supplied to the first combustion unit 231. Gas and air supplied to the flow path of the first combustion unit 231 are mixed with each other while flowing the first combustion unit 231. A portion of the mixed gas mixed in the first combustion unit 231 is burned in the salt hole 233 of the first combustion unit 231 to form a flame.

In addition, the remainder of the mixed gas flowing through the first combustion unit 231 is transferred to the second combustion unit 235. In addition, the mixed gas delivered to the second combustion unit 235 flows into the

branch portions

235b and 235c and flows in each of the salt holes 238, 239a and 239b of the second combustion unit 235. Combustion forms a flame.

As described above, in the present embodiment, the cooking chamber is formed by the flame formed by burning the mixed gas in the salt holes 233 of the first combustion unit 231 and the salt holes 238, 239a, and 239b of the second combustion unit 235. The food inside 211 is cooked by direct radiant heating.

In this case, the first combustion unit 231 is located at the rear end of the ceiling surface of the cooking chamber 211, and the second combustion unit 235 is located at the front end of the ceiling surface of the cooking chamber 211. As the food inside the cooking chamber 211 is heated as a whole, the cooking efficiency of the food is increased.

3 is a plan view illustrating an oven burner installed on a ceiling surface of a cooking chamber according to a second embodiment.

This embodiment is the same as the first embodiment in other parts, except that the shape of the oven burner is different. Therefore, hereinafter, only characteristic parts of the present embodiment will be described.

Referring to FIG. 3, the oven burner 240 of the present embodiment includes a first combustion unit 241 and a second combustion unit 245. Each of the

combustion units

241 and 245 is disposed horizontally with the bottom of the cavity.

The first combustion unit 241 is formed in a linear shape. The second combustion unit 245 is formed in a closed curve shape as a whole. For example, the second combustion unit 245 may be formed in a substantially elliptic shape. However, it is noted that there is no limitation in the shape of the second combustion unit 245 in this embodiment. However, in order to enable uniform heating of the food, the second combustion part may have left and right symmetry based on a line bisecting the ceiling surface of the cooking chamber 211.

The second combustion unit 245 may include a plurality of straight portions 245a arranged side by side and a curved portion 245b connecting the respective straight portions.

In addition, the first combustion unit 241 is connected to any one of the plurality of straight portions 245a. The first combustion unit 245 may extend vertically from one straight portion 245a. In addition, a portion of the linear portion 245a to which the first combustion unit 241 is connected serves as a distribution unit. A plurality of branch portions extend from both sides of the distribution portion, and ends of the plurality of branch portions are connected to each other.

A plurality of salt holes 243 are formed at both sides of the first combustion unit 241. The second combustion unit 245 includes an outer portion 246 and an inner portion 247. In addition, the outer portion 246 is formed with a plurality of salt holes 248 spaced apart from each other at regular intervals.

The inner portion 247 includes a plurality of

salt holes

249a and 249b. The plurality of salt holes include a first salt hole 249a formed in the straight portion 245a and a second salt hole 249b formed in the curved portion 245b.

In addition, in order to prevent interference between flames generated at the curved portion 245b of the inner portion 247, the spacing between the plurality of second salt holes 249b is greater than the spacing between the plurality of first salt holes 249b. Big. The spacing between the plurality of first salt holes 249a is equal to the spacing between the salt holes 248 of the outer portion 246.

According to the present embodiment, since the second combustion unit forms a closed curve, the pressure balance can be achieved in the second combustion unit.

Claims

A cavity in which a cooking chamber is formed; And

It is located inside the cavity, receives a mixed gas of gas and air, and includes a burner to burn the mixed gas to generate a flame,

The burner includes a first combustion unit in which a plurality of salt holes are formed,

And a second combustion unit connected to the first combustion unit and having a plurality of salt holes formed therein.
The method of claim 1,

The second combustion unit includes a distribution unit through which the mixed gas flows from the first combustion unit and a plurality of branch portions branched from the distribution unit.
The method of claim 2,

End portions of the plurality of branch portions are spaced apart.
The method of claim 2,

End portions of the plurality of branches are connected to each other.
The method of claim 1,

The first combustion unit is a cooking appliance formed in a straight shape.
The method of claim 1,

The second combustion unit includes a curved portion rounded to a predetermined curvature,

The curved portion includes an outer portion where a plurality of salt holes are formed, and an inner portion where a plurality of salt holes are formed,

The spacing between salt holes in the inner portion is greater than the spacing between salt holes in the outer portion.
The method of claim 6,

The curved portion further includes a straight portion in which a plurality of salt holes are formed,

The spacing between the salt holes in the inner portion is greater than the spacing between the salt holes in the straight portion.
The method of claim 1,

The second combustion unit includes a straight portion,

And the first combustion unit is connected to the straight portion.
The method of claim 1,

The first combustion unit is located on a line that bisects the ceiling surface of the cooking chamber in left and right.
The method of claim 1,

The second combustion unit is symmetrical to the left and right with respect to the first combustion unit.
A cavity in which a cooking chamber is formed; And

It is located inside the cavity, receives a mixed gas of gas and air, and includes a burner to burn the mixed gas to generate a flame,

The burner includes a first combustion unit generating a flame,

Is connected to the first combustion unit receives a mixed gas from the first combustion unit and includes a second combustion unit,

The cooking apparatus of claim 2, wherein the second combustion unit has a closed shape.
The method of claim 11,

The second combustion unit includes a distribution unit for receiving a mixed gas from the first combustion unit,

The cooking gas introduced into the distribution unit is branched and flows.
The method of claim 11,

The second combustion unit includes an outer portion in which a plurality of salt holes are formed, and an inner portion in which a plurality of salt holes are formed,

The spacing between salt holes in at least a portion of the inner portion is greater than the spacing between salt holes in the outer portion.
A cavity in which a cooking chamber is formed; And

It is located inside the cavity, receives a mixed gas of gas and air, and includes a burner to burn the mixed gas to generate a flame,

The burner includes a first combustion unit generating a flame,

Is connected to the first combustion unit receives a mixed gas from the first combustion unit and includes a second combustion unit,

The second combustion unit is a cooking appliance formed in the shape of an open curve a part of the opening.
The method of claim 14,

The first combustion unit is formed in a straight shape,

Cooking device extending in the horizontal direction from the second combustion unit.
The method of claim 14,

The second combustion unit includes a distribution unit for receiving a mixed gas from the first combustion unit,

The cooking gas introduced into the distribution unit is branched and flows.
The second combustion unit includes an outer portion in which a plurality of salt holes are formed, and an inner portion in which a plurality of salt holes are formed,

The spacing between salt holes in at least a portion of the inner portion is greater than the spacing between salt holes in the outer portion.