KR100692579B1 - Microwave oven having variable cooking space - Google Patents

Abstract

The present invention relates to a microwave oven, in particular, by minimizing the size of the cabinet to reduce the space occupied by the microwave oven in the kitchen, by changing the space of the cooking chamber, to ensure the space required for cooking variable cooking type It relates to a microwave oven.

In the cooking chamber variable type microwave oven according to the present invention, a cabinet having a predetermined space and an inner case is installed on an inner wall thereof to form a cooking chamber, and a magnetron and a magnetron installed between the inner case and the cabinet to irradiate microwaves to the cooking chamber. A heating device composed of a conducting tube for guiding the irradiated microwaves into the cooking chamber, a door installed in the opening of the cabinet to open and close the cooking chamber, and a predetermined space inside the door which is installed so as to be able to stand out in the opening of the cabinet It is formed, characterized in that the cover is included so that the space communicates with the cooking chamber.

Microwave, cooking chamber, door, cover, magnetron, waveguide, stirrer

Description

Cooking Room Adjustable Microwave {MICROWAVE OVEN HAVING VARIABLE COOKING SPACE}

1 is a perspective view showing a microwave oven according to the prior art,

2 is a cross-sectional view showing a microwave oven according to the prior art,

3 is a perspective view of a cooking chamber variable type microwave oven according to the present invention;

4 is a front sectional view showing a cooking chamber variable type microwave oven according to the present invention;

Figure 5 is a side cross-sectional view showing a cooking chamber variable microwave according to the present invention,

Figure 6 is a side cross-sectional view showing another embodiment of the cooking chamber variable-type microwave oven according to the present invention.

<Explanation of symbols on main parts of the drawings>

100: cabinet 101: cooking chamber

102: inner case 104: stopper

110: heating device 112: magnetron

114: waveguide 116: stirrer

118: motor 120: door

122: locking projection 130: cover

132: step

The present invention relates to a microwave oven, in particular, by minimizing the size of the cabinet to reduce the space occupied by the microwave oven in the kitchen, by changing the space of the cooking chamber, to ensure the space required for cooking variable cooking type It relates to a microwave oven.

In general, a microwave oven is a cooking apparatus capable of cooking food using microwaves in a short time, and microwaves generated from a magnetron to which high voltage is applied are irradiated into the food inside the cooking chamber through a waveguide. By vibrating the water molecules contained in the food to generate heat energy, the food is heated and cooked therein.

Such microwave ovens can cook various foods in various ways by appropriately adjusting the microwave output and the time that the microwaves are irradiated to the food. In addition, the microwave can be used to heat foods that have already been cooked or to melt frozen foods. Can be used.

1 is a perspective view showing a microwave oven according to the prior art, Figure 2 is a cross-sectional view showing a microwave oven according to the prior art.

As illustrated, the microwave oven includes a cabinet 10 having a cooking chamber 10a having a front surface open therein, an outer panel 20 and a cooking chamber 10a installed to surround the outside of the cabinet 10. The door 30 for opening and closing the open front of the, and the operation panel 40 for setting various cooking conditions and to operate or stop the microwave.

The tray 50 on which the cooked food is placed is placed on the bottom surface of the cabinet 10, and a motor (not shown) for rotating the tray 50 is provided below the tray 50.

In addition, the side of the cooking chamber 10a of the cabinet 10 includes an apparatus chamber 10b, and a high voltage is applied to the magnetron 61 and a high voltage condenser (not shown) that generate microwaves, and the magnetron 61 and the high voltage capacitor. Devices such as a high pressure transformer (not shown) to be applied and a cooling fan 64 are provided in the device chamber 10b.

Here, as shown in FIG. 2, the magnetron 61 generating microwaves is mounted on the sidewall of one side of the cooking chamber 10a of the cabinet 10 through the waveguide 65. One side wall of the cooking chamber 10a to which the waveguide 65 is attached is formed with a communication hole 11 for communicating the inside of the cooking chamber 10a with the waveguide 65.

In this way, the food is placed in the tray 50 placed on the bottom surface of the cooking chamber 10a, and then the operation panel 40 is operated to set cooking conditions and operate the microwave oven. As a result, microwaves are generated in the magnetron 61, and the microwaves are guided into the cooking chamber 10a through the waveguide 65 and irradiated to the food placed in the tray 50, whereby the food is heated and cooked by microwaves. do.

At this time, the tray 50 is rotated at a constant speed by the motor, the food placed in the tray 50 is evenly heated.

However, the microwave oven according to the prior art, because the size of the cabinet is a constant, the cooking chamber of a certain size or more must be formed to secure the space required for cooking, the cabinet is also made of a certain size or more, which meets the trend of miniaturization of home appliances There is a problem that can not reduce the size of the microwave oven.

The present invention has been made to solve the above problems of the prior art, by minimizing the size of the cabinet, the size of the cooking chamber can be varied, reducing the space occupied by the microwave oven to utilize the excess space of the kitchen, In cooking, an object of the present invention is to provide a cooking chamber variable microwave oven which enlarges the size of the cooking chamber to secure a space required for cooking.

The cooking chamber variable type microwave oven according to the present invention for solving the above problems forms a predetermined space, and an inner case is installed on the inner wall thereof to form a cooking chamber, and is installed between the inner case and the cabinet to apply microwaves to the cooking chamber. A heating device consisting of a magnetron to be irradiated and a conducting tube to guide the microwaves irradiated from the magnetron into the cooking chamber, a door installed in the opening of the cabinet to open and close the cooking chamber, and installed and openly mounted to the opening of the cabinet Since a certain space is formed inside the closed door and the space communicates with the cooking chamber, the door is opened to extend the bottom surface of the cooking chamber to the outside of the opening, and the cover is rotated outward to rotate the top surface of the door. To the outside of the cabinet, It is characterized in that it is made.

Hereinafter, an embodiment of a cooking chamber variable type microwave oven according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a perspective view of a cooking chamber variable microwave oven according to the present invention, Figure 4 is a plan sectional view of the cooking chamber variable microwave oven according to the present invention.

The cooking chamber variable type microwave oven according to the present invention forms a predetermined space, and an inner case 102 is installed on an inner wall thereof to form a cooking chamber 101, and between the inner case 102 and the cabinet 100. A heating device 110 including a magnetron 112 installed in the cooking chamber 101 and a waveguide 114 for guiding microwaves emitted from the magnetron 112 into the cooking chamber, and the cabinet 100. Door 120 for opening and closing the cooking chamber 101 and opening / closing in the opening of the cabinet 100, and a predetermined space is formed inside the open door 120. The cover 130 to communicate with the cooking chamber 101 is included.

Here, the cabinet 100, bar to minimize the space required for the microwave installation, is formed to form a minimum space that the heating device 110 and the cover 130 can be installed, the cabinet 100 The opening is formed in the front surface, the stopper 104 is formed on the upper end of the opening to restrain the rotation of the cover 130, so that the cover 130 is prevented from leaving the cabinet 100 extended to the cooking chamber 101 To be kept safe.

In addition, a heating device 110 is installed in a space between the cabinet 100 and the inner case 102. As shown in FIGS. 4 and 5, the heating device 110 is provided in the cabinet 100. It is installed on the inner wall of the bottom, a stirrer 116 is installed on the connection portion between the waveguide 114 and the inner case 102, and a motor 118 for rotating the stirrer 116 is installed. To make cooking more effective.

As shown in FIG. 5, the lower ends of both sides of the door 120 are hinged to an opening formed in the front surface of the cabinet 100, and the locking protrusion 122 is formed at the lower front surface of the door 120, thereby providing a door. When the 120 is opened, the locking protrusion 122 corresponds to the outer wall of the cabinet 100 to restrict the rotation of the door, so that the door is not rotated by more than 90 degrees and is disposed at the same height as the bottom surface of the cooking chamber 101.

3 and 5, both sides of the cover 130 are formed in a quarter arc shape, and curved portions are connected to each other to form a front surface of a curved shape, so that ends of both sides of the door are formed as shown in FIGS. Since rotatably installed in the hinge portion of the cover 130 to rotate the outside of the opening of the cabinet 100 to form a sealed space of a predetermined space has the effect that the cooking chamber 101 is extended to the outside of the opening.

In addition, since the cover 130 has a stepped protrusion 132 protruding outward at a rear end thereof to correspond to the stopper 104 of the cabinet 100, the stepped when the cover 130 is rotated to the outside of the opening. 132 is caught by the stopper 104 to restrain the rotation of the cover 130 to prevent the cover from being separated out of the opening.

As a result, when the door 120 is opened to extend the bottom surface of the cooking chamber 101 to the outside of the opening, and the cover 130 is rotated to the outside, the cooking chamber 101 is brought into close contact with the upper surface of the door 120. Since it extends outside the opening of the 100, it is possible to ensure a sufficient space required for cooking.

Looking at the operation of the cooking chamber variable-type microwave oven according to the present invention configured as described above are as follows.

First, when cooking small food, open the door 120, store the cooking material in the cooking chamber 101, close the door 120 to seal the cooking chamber, and then drive the heating device 110 to cook. Can be done.

In addition, when cooking the bulky food in comparison with the existing cooking chamber 101, the door 120 is opened to extend the bottom surface of the cooking chamber 101, and the upper surface and the cooking chamber 101 of the door 120. After storing the cooking material over the bottom surface of the cover 130 is rotated to the outside of the opening to be in close contact with the upper surface of the door 120 is expanded in size, the cooking material is stored in the sealed cooking chamber. Subsequently, when the heating apparatus 110 is driven, microwaves are irradiated from the magnetron 112, and the microwaves are injected into the cooking chamber 101 along the waveguide 114. The stirrer 116 and the motor ( 118) more effectively evenly sprayed on each part of the cooking material to cook.

In this case, the door 120 may maintain a plane having the same height as the bottom surface of the cooking chamber 101 by the locking protrusion 122 formed at the bottom of the front surface, and the cover 130 is a stepped portion 132 formed at the rear end portion. Since the cover 130 is prevented from being separated out of the opening, the extended cooking chamber 101 is safely maintained to perform effective cooking.

Figure 6 is a side cross-sectional view showing another embodiment of the cooking chamber variable-type microwave oven according to the present invention.

Another embodiment of the present invention is the same as the embodiment of the cabinet 100, the inner case 102, the heating device 110, the door, the cover 130, but the heating device 110 and the cabinet 100 Since the cabinet 100 is formed to be long in the rear side, the space of the cabinet 100 and the inner case 102 is formed in a relatively wide space at the rear side, that is, the cabinet. The heating device 110 is installed on the inner back wall of the (100).

As a result, as shown in FIG. 6, the microwaves may be more easily injected into the cooking chamber 101 extended by the door and the cover 130 so that the cooking material may be cooked more evenly.

As the cooking chamber variable type microwave oven according to the present invention configured as described above has a minimum size of a cabinet and a cover extending outside the cooking chamber, the cooking chamber can be extended by a door and a cover when cooking. When performing a function of the existing microwave oven, and not driven, the cover is accommodated inside the cooking chamber, so the space occupied in the kitchen is reduced, thereby making it easier to utilize space.

In addition, the present invention, there is an advantage that the product cost is reduced because the material cost required for manufacturing the cabinet and the inner case is reduced.

Claims (7)

A cabinet forming a predetermined space and having an inner case installed on an inner wall thereof to form a cooking chamber; A heating device disposed between the inner case and the cabinet and configured to include a magnetron for irradiating microwaves to the cooking chamber and a conduit tube for guiding the microwaves irradiated from the magnetron into the cooking chamber; A door installed at an opening of the cabinet to open and close the cooking chamber; A predetermined space is formed inside the door which is installed to be protruded in the opening of the cabinet and includes a cover for communicating the space with the cooking chamber; And open the door so that the bottom surface of the cooking chamber extends to the outside of the opening and rotate the cover to the outside to closely contact the upper surface of the door so that the cooking chamber extends to the outside of the opening of the cabinet. The method of claim 1; The cabinet has an opening formed in the front surface, the cooking chamber variable microwave oven, characterized in that a stopper for restricting the rotation of the cover on the upper end of the opening. The method of claim 1; The heating apparatus is a cooking chamber variable microwave oven, characterized in that installed on the inner wall of the bottom surface of the cabinet. The method of claim 1; The heating apparatus is a cooking chamber variable microwave oven, characterized in that installed on the inner wall of the cabinet. The method of claim 1; The door is a cooking chamber variable microwave oven, characterized in that the lower ends of both sides are hinged to the opening formed in the front of the cabinet, the locking projection is formed on the lower front of the door. The method of claim 1; The cover has a cooking chamber, characterized in that both sides are formed in a 1/4 arc shape, the curved portions are connected to each other to form a curved front portion of both sides so that the ends of both sides are rotatably installed at the hinge portion of the door. Variable microwave oven. The method of claim 6; And the cover has a stepped portion corresponding to the stopper of the cabinet at a rear end thereof.

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