KR100635909B1 - Electric oven - Google Patents

Abstract

The present invention is an electric oven in which one cooking compartment is partitioned into first and second cooking chambers by a partition plate, wherein first and second cold air inlet holes for supplying cold air to an unheated cooking chamber are respectively provided in the first and second cooking chambers. Start the electric oven.

The first and second ducts are provided at the rear of the first and second cold air intake holes to supply cold air to the respective cold air intake holes, and the first and second ducts are inclined to face the center of the first and second cooking chambers, respectively. . In addition, an upper part of the cooking chamber is provided with a fan motor for introducing cold air and a blowing path changing device for changing the blowing path to selectively supply the cold air introduced by the fan motor to one of the first and second cooking chambers. do.

Description

Electric oven range

1 is a front view of an electric oven according to a preferred embodiment of the present invention.

2 is a side cross-sectional view of an electric oven according to a preferred embodiment of the present invention.

3 is a plan sectional view showing a cold air inlet hole and a duct of an electric oven according to a preferred embodiment of the present invention.

* Description of symbols on the main parts of the drawings *

10: case 11: door

12: operation part 20a, 20b: 1st, 2nd cooking room

30, 40: first and second convection module 50: partition plate

60a, 60b: 1st and 2nd cold air hole 61: fan motor

63: opening 64: cold air supply duct

65a, 65b: 1st, 2nd duct 70: Blowing path changing device

The present invention relates to an electric oven made to be used by dividing the cooking chamber, and more particularly, to a cold air inlet provided to introduce cold air into each divided cooking chamber.

Electric oven is a device for cooking food by circulating the air around the heating heater to the inside of the cooking chamber. Electric ovens generally include a cooking chamber for receiving food to be cooked, a heater that generates heat, and a fan for circulating air around the heater into the cooking chamber. In addition, if necessary, a grill heater for applying radiant heat to food provided on the lower side of the cooking chamber may be provided.

Conventional electric ovens are generally equipped with a heater and a fan in one cooking chamber, which can not only cook two or more kinds of food at the same time, but also inefficient because only a small amount of food should be operated. There was a problem that was.

In order to make up for this drawback, an electric oven has recently emerged that divides one cooking compartment into partition plates and allows cooking at different temperatures in each compartment. The electric oven is provided with two pans arranged up and down in the rear of the cooking chamber to cook food by varying the amount of hot air according to the type of food placed in the upper and lower cooking chambers.

However, when only one cooking chamber is used among the divided cooking chambers, the heat of the heated cooking chamber is transferred to the unheated cooking chamber, thereby raising the temperature of the cooking chamber that is not heated.

In addition, when one of the divided cooking chambers is cooked at a high temperature and the other is at a low temperature, the heat of the high-temperature cooking chamber is transferred to the low-temperature cooking chamber, resulting in a higher temperature of the lower cooking chamber than the set temperature.

The present invention is to solve the above problems, it is an object of the present invention to provide an electric oven to prevent the temperature of the cooking chamber that is not heated in the divided cooking chamber does not rise.

In addition, to cool the cooking chamber that is not heated to provide an electric oven with high cooling efficiency.

       The electric oven according to the present invention for achieving this object is the first to supply the hot air to the cooking chamber for accommodating food to be cooked, the partition plate partitioning the cooking chamber and each of the first and second cooking chambers divided by the partition plate, And a first and second cold air intake holes provided to introduce the cold air into the second convection module and the first and second cooking chambers.

In addition, the first and second convection modules are respectively provided in the central portion of the rear wall of the first and second cooking chambers, and the first and second cold air inlet holes are respectively provided in the rear wall side of the first and second cooking chambers.

In addition, the first and second ducts are provided at the rear of the first and second cold air intake holes, and the first and second ducts are inclined so as to face the centers of the first and second cooking chambers, respectively. Characterized in that installed.

In addition, the upper part of the cooking chamber is characterized in that the fan path for introducing cold air and the blowing path changing device for selectively connecting the cold air introduced by the fan motor to one of the ducts of the first and second ducts. .

In addition, the blowing path changing device is characterized in that for changing the blowing path to supply cold air to the cooking chamber that is not heated in the first and second cooking chamber.

Hereinafter, an electric oven according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figure 1 and 2, the electric oven according to an embodiment of the present invention is the case 10 and the cooking chamber 20 and the food in the cooking chamber 20 provided in the case 10 to form an appearance. First and second convection modules (30, 40) are installed up and down in the center of the rear wall of the cooking chamber in order to apply hot air, that is, by convection heating.

The case 10 and the cooking chamber 20 are opened at the front to allow food to be introduced, and the opening is hinged to the lower side of the case 10 and opened and closed by a door 11 pivoting up and down. The upper part of the door 11 is provided with an operation part 12 for operating the operation of the electric oven.

The cooking chamber wall 21 forming the cooking chamber 20 is spaced apart from the case by a predetermined distance, and is provided in a double structure of the inner wall 21a and the outer wall 21b and is provided between the inner wall 21a and the outer wall 21b. It is filled with the heat insulating material (21c) so that the heat of the) does not escape to the outside.

Above and below the cooking chamber 20, separate upper and lower grill heaters 51 and 52 for cooking food by radiant heat, that is, grill heating, are provided. In the center of the cooking chamber 20, the cooking chamber is moved up and down. A partition plate 50 for dividing is provided to divide the cooking chamber 20 into first and second cooking chambers 20a and 20b. This partition plate 50 is detachably installed so that the cooking chamber 20 can be divided as needed.

The first and second cooking chambers 20a and 20b are provided with grill shelves 27 and 28 for placing food to be cooked, and support jaws 25 and 26 for supporting grill shelves are provided on both side walls of the cooking chamber 20. do.

A recess 22 recessed to the rear side is formed at the rear wall side of the cooking chamber 20, and the first and second convection modules 30 and 40 are installed at the recess 22. Each convection module (30,40) is a circular ring-shaped convection heater (31,41) and the heat around the convection heater (31,41) and the cooking chamber so that the heat of the convection heater (31,41) is supplied to the cooking chamber Fans 32 and 42 for creating an air stream circulating 20 and motors 33 and 43 for driving the fans 32 and 42. The hot air cover 53 is provided in front of the first and second convection modules 30 and 40, and the suction air grill 53 is sucked to suck the air in the cooking chamber toward the first and second convection modules 30 and 40. 53a and 53b are provided.

In the first and second convection modules (30, 40), the temperature of the convection heater (31, 41) and the blowing amount by the fans (32, 42) are configured to be controlled separately for each convection module (30, 40) The first and second cooking chambers 20a and 20b are provided with first and second temperature sensors 55 and 56 for detecting the temperature of each cooking chamber. In addition, a control unit (not shown) for controlling operations of the first and second convection modules 30 and 40 and the upper and lower grill heaters 51 and 52 is provided.

The first and second cold air inlet holes 60a and 60b in the form of porous holes are provided at the rear side of the cooking chamber to introduce cold air outside the electric oven separately from the first and second convection modules 30 and 40 for supplying hot air. do. Cold air outside the electric oven is selectively introduced into the first and second cold air intake holes (60a, 60b), the cold air is provided on the front of the cooking chamber 20 by a fan motor 61 provided in the upper space of the cooking chamber 20. It flows in through the opening 63. Blowing path changing device for changing the blowing path to selectively supply cold air from one of the two cooking chambers (20a, 20b) between the fan motor 61 and the first and second cold air inlet (60a, 60b) 70 is provided, the inlet side of the blower path changing device 70 is a cold air supply duct 64, and the outlet side of the blower path changing device 70 is a first duct 65a leading to the first cooking chamber 20a. And the second duct 65b leading to the second cooking chamber 20b, respectively.

As shown in FIG. 3, the first duct 65a connected to the first cold air inlet hole 60a provided on the rear wall of the first cooking chamber 20a has a cold air guided by the first duct 65a. 20a is inclined toward the center of the first cooking chamber 20a to face the center. As described above, the second duct 65b connected to the second cooking chamber 20b is inclined to face the center of the second cooking chamber 20b.

Next, the operation of the electric oven according to the embodiment will be described.

Electric oven according to the present invention it is possible to provide a variety of cooking mode according to the type, amount and purpose of the food. First, before cooking food, the user must decide whether to divide the cooking chamber 20 into the first and second cooking chambers 20a and 20b according to the amount and type of food. Then, the food is put into the cooking chamber 20 to operate the electric oven through the operation unit 12.

If the amount of food is small, and only the second cooking chamber 20b is used among the first and second cooking chambers 20a and 20b, the user needs to install the partition plate 50 and operate only the second convection module 40. At this time, the heat in the heated second cooking chamber 20b flows to the uncooked first cooking chamber 20a to raise the temperature of the first cooking chamber 20a.

Each of the first and second cooking chambers 20a and 20b is provided with respective temperature sensing sensors 55 and 56. When the temperature of the unheated first cooking chamber 20a rises above a certain temperature, the controller (not shown) Blowing path changing device 70 to operate the fan motor 61 installed on the cooking chamber 20 and at the same time the cold air supply duct 64 is connected to the first duct (65a), the second duct (65b) is blocked. ). Therefore, the cold air outside the electric oven is supplied only to the first cooking chamber 20a through the first suction hole 60a. At this time, the first duct 65a connected to the first suction hole 60a is inclined so as to face the center of the first cooking chamber 20a, so that cool air is supplied to the center of the first cooking chamber 20a and supplied to the center. The cold air is circulated throughout the first cooking chamber 20a by convection. Accordingly, the temperature of the first cooking chamber 20a is lowered, and when the temperature inside the first cooking chamber 20a sensed by the first temperature sensor 55 falls below a certain temperature, the control unit (not shown) is a fan motor. The operation of the 61 is stopped.

By repeating the above operation, the temperature of the first cooking chamber 20a that is not heated is prevented from rising.

When only the first cooking chamber 20a is operated, a control unit (not shown) operates the fan motor 61 installed on the cooking chamber 20 and connects the cold air supply duct 64 to the second duct 65b. Since the operation is the same except that the blower path changing device 70 is blocked to be blocked from the first duct 65a, the description thereof will be omitted below.

As described above, according to the electric oven according to the present invention, the temperature of the cooking chamber that is not heated in the divided cooking chamber may not be increased, thereby providing reliability to the user.

In addition, the cooling efficiency is high when cooling the cooking chamber that is not heated.

Claims (5)

Cold air to each of the first and second convection modules and the first and second cooking chambers for supplying hot air to each of the cooking chamber accommodating the food to be cooked, the partition plate partitioning the cooking chamber, and the first and second cooking chambers divided by the partition plates. Electric oven comprising a first and second cold air inlet prepared to introduce the. The method of claim 1, The first and second convection modules are respectively provided in the central portion of the rear wall of the first and second cooking chambers, and the first and second cool air introduction holes are provided in the rear wall side of the first and second cooking chambers, respectively. The method of claim 2, The first and second ducts are provided at the rear of the first and second cold air intake holes to supply cold air to the respective cold air intake holes, and the first and second ducts are inclined to face the center of the first and second cooking chambers, respectively. An electric oven characterized by the above-mentioned. The method of claim 3, wherein An electric oven is provided at an upper portion of the cooking chamber, wherein a fan path for introducing cold air and a blowing path changing device for selectively connecting the cold air introduced by the fan motor to one of the first and second ducts are provided. . The method of claim 4, wherein The blower path changing device is characterized in that for changing the blower path to supply cold air to the cooking chamber that is not heated in the first and second cooking chamber.

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