KR20070114982A - Microwave oven having slide type tray - Google Patents

Abstract

A microwave oven having a slide type tray is provided to assemble a tray to a cavity properly by a rack and pinion gear mechanism and to place food at the center of the tray. A microwave oven having a slide type tray includes a cabinet(70) which as an opened side where a door is installed, an inner case(72) which is installed in side of the cabinet to partition a cavity(74) and electric part compartment, a sliding block(80) which slides on a side of the inner case, an electric motor which is installed on the sliding block, a roller guide which is connected to a shaft of the motor, a tray(96) which is seated on the roller guide to place food to be cooked, and a mechanism to slide the sliding block.

Description

Microwave Oven with Slide Tray {MICROWAVE OVEN HAVING SLIDE TYPE TRAY}

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 showing a microwave oven provided with a slide-type tray according to the present invention.

4 is a sectional view showing a microwave oven provided with a slide-type tray according to the present invention.

5 is a cross-sectional view showing the appearance of the microwave oven according to the present invention.

6 is a block diagram showing the appearance of the microwave oven according to the present invention.

<Explanation of symbols on main parts of the drawings>

70: cabinet 72: inner case

72a: seating portion 74: cooking chamber

76: device room 80: protruding block

92: motor 94: roller guide

96 tray 100: means of appearance

102: rack gear 104: drive motor

106: pinion 108: contact detection sensor

109: control unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a microwave oven, and more particularly, to a microwave oven provided with a slide-type tray for facilitating food storage by improving the mounting structure of the tray in which food is stored.

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 microwave is irradiated to the food, and also to heat the already cooked food or to melt the frozen food. 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.

Referring to FIG. 1, the microwave oven includes a cabinet 10 having a cooking chamber 10a having an open front in the inside thereof, 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 apparatus chamber 10b.

Referring to FIG. 2, the magnetron 61 generating microwaves is mounted on an upper sidewall of one side of the cooking chamber 10a of the cabinet 10 under the waveguide 65, and the cooking chamber 10a to which the waveguide 65 is attached. One side of the injection hole (11) for communicating the inside of the cooking chamber (10a) and the waveguide 65 is formed.

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 food placed in the tray 50, whereby the food is heated and cooked.

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.

Here, the tray is driven by a motor 52 provided outside the inner case bottom surface, the roller guide 54 is rotatably disposed on the bottom surface of the tray 50, the roller guide 54 and the motor 52 A coupler 56 is installed between the rollers 52 so that the rotational force of the motor 52 is transmitted to the roller guide 54 and the tray 50.

However, in the microwave oven according to the prior art, since the cooking chamber is formed to be concave inside the inner case, the tray is placed at the correct position when the microwave oven is installed at a higher or lower position than the eye height of the user. There is a problem that it is difficult to cause malfunction and damage due to misassembly of the tray during cooking operation.

In addition, since the food is difficult to be seated in the center of the tray, when the tray is rotated in a state in which the food is eccentrically placed in the tray, centrifugal force may be generated and the food may flow out of the container, and the food may not be cooked evenly.

The present invention has been made to improve the above-described problems of the prior art, by allowing the tray mounting portion to project out of the cooking chamber, it is possible to achieve the assembly of the tray accurately, the food can also be accurately seated in the center of the tray It is an object of the present invention to provide a microwave oven provided with a slide-type tray.

Microwave oven provided with a slide-type tray according to the present invention for solving the above problems is a cabinet in which one side is opened, the door is installed, the inner case is installed inside the cabinet to partition the cooking chamber and the device chamber, the inner case one side A protruding block slidably mounted to the outside or the inside of the cooking compartment, a motor installed on the protruding block, a roller guide connected to the rotating shaft of the motor, a tray seated on the roller guide to accommodate food, and the protruding portion It is installed between the block and the inner case is characterized in that it comprises a projection means for sliding the protruding block to the outside or inside the cooking chamber.

In addition, the inner case of the present invention is characterized in that the seating portion is formed on the inner wall corresponding to the protruding block.

In addition, a connection terminal is installed between the seating portion and the protruding block of the present invention, and the connection terminal is formed on the protruding block corresponding to the first terminal and the first terminal installed on the seating portion, and the protruding block. And a second terminal electrically connected to the first terminal when the inner side of the cooking chamber slides.

In addition, the wandering means of the present invention is a rack gear formed on one side of the protruding block, a drive motor installed inside the cabinet corresponding to the rack gear, and is installed on the rotating shaft of the drive motor is geared to the rack gear It is characterized by including a pinion.

In addition, the inlet and exit means of the present invention is installed between the cabinet and the door to detect whether the opening and closing of the cooking chamber, and whether the power to the drive motor in accordance with the signal received from the touch sensing sensor And further comprising a control unit for determining.

Hereinafter, an embodiment of a microwave oven provided with a slide-type tray according to the present invention will be described in detail with reference to the accompanying drawings.

For convenience of explanation, a microwave oven provided with a slide type tray will be described as an example. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

3 is a perspective view showing a microwave oven provided with a slide-type tray according to the present invention, Figure 4 is a cross-sectional view showing a microwave oven provided with a slide-type tray according to the present invention.

3 and 4, in the microwave oven provided with the slide-type tray according to the present invention, a cabinet 70 having one side opened and a door 71 is installed, and a cooking chamber 74 installed inside the cabinet 70. ) And an inner case 72 partitioning the apparatus chamber 76, a protruding block 80 installed slidably on one side of the inner case 72, and protruding outside or inside the cooking chamber 74, and a protruding block 80. ), A motor 92 installed on the roller guide, a roller guide 94 connected to the rotating shaft of the motor 92, a tray 96 seated on the roller guide 94, and containing food, a protruding block 80, It is provided between the inner case 72 includes a protruding means 100 to allow the protruding block 80 to slide outside or inside the cooking chamber 74.

As a result, when the user opens the door 71, the protruding block 80 is slid out of the cooking chamber 74 by the sun shining means 100, so that the roller guide 94 and the tray 96 are accurately positioned on the axis of rotation of the motor 92. It can be assembled at a position, and when cooking is performed, food is easily stored in the center of the tray 96, so that food is eccentrically placed so that food can be prevented from spilling out of the container by centrifugal force generated during cooking. .

Here, the inner case 72 has a seating portion 72a formed on the inner wall to which the protruding block 80 corresponds, that is, the bottom surface of the cooking chamber 74, so that the protruding block 80 slides along the seating portion 72a. While being installed so that the cooking chamber 74 can be released to the outside and inside.

In addition, since the motor 92 is installed inside the protruding block 80, the roller guide 94 is inserted into the rotation shaft of the motor 92 extending upward of the protruding block 80, and the roller guide 94. The assembly of the tray 96 is completed by mounting the tray 96 on the upper surface of the).

5 is a cross-sectional view showing the appearance of the microwave oven according to the present invention, Figure 6 is a block diagram showing the appearance of the microwave oven according to the present invention.

Referring to FIG. 5, a connecting terminal 107 is installed between the seating portion 72a and the protruding block 80, and the connecting terminal 107 is a first terminal 107a installed at the seating portion 72a. And a second terminal 107b electrically connected to the first terminal 107a when the first terminal 107a is formed in the corresponding protruding block 80 so that the protruding block 80 slides into the cooking chamber 74. )

Here, the first terminal 107a and the second terminal 107b are for electrically connecting the motor 92 installed in the protruding block 80 and the power supply unit (not shown) installed in the apparatus room 76, and the door ( When 71 is opened and the protruding block 80 slides out of the cooking chamber 74, the first terminal 107a and the second terminal 107b are separated to electrically separate the motor 92 and the power supply unit. When the 80 is inserted into the cooking chamber 74 and the first terminal 107a and the second terminal 107b are combined, the motor 92 and the power supply are electrically connected.

Thus, when the cooking operation is started, the magnetron (not shown) installed in the apparatus chamber is driven and power is applied to the motor from the power supply to rotate the roller guide 94 and the tray 96.

Referring to FIGS. 5 and 6, the haunting means 100 includes a rack gear 102 formed at one side of the protruding block 80 and a drive motor 104 installed inside the cabinet 70 corresponding to the rack gear 102. ), A pinion 106 installed on the rotation shaft of the drive motor 104 and engaged by the rack gear 102, and installed between the cabinet 70 and the door 71 to detect whether the cooking chamber 74 is opened or closed. And a control unit 109 which determines whether power is supplied to the driving motor 104 according to the contact detection sensor 108 and the signal received from the contact detection sensor 108.

Thus, when the door 71 is opened, the control unit 109 detects the opening of the door 71 according to a signal received from the contact detection sensor 108, and transmits the signal to the driving motor 104 by the signal of the control unit 109. Since power is applied, the pinion 106 is driven to slide the protruding block 80 to the outside of the cooking chamber 74.

On the contrary, when the protruding block 80 slides into the cooking chamber 74, when the user or the door 71 pushes the protruding block 80 into the cooking chamber 74, the control unit 109 senses this and drives the driving motor 104. When the rotation is completed and the insertion of the protruding block 80 is completed, a signal generated by combining the first terminal 107a and the second terminal 107b is generated, and the driving motor 104 is detected by the control unit 109. To stop.

Of course, a separate contact detection sensor may be installed between the protruding block 80 and the inner case 72 to detect that the protruding block 80 is seated inside the cooking chamber 74.

Looking at the operation of the microwave oven is provided with a slide-type tray according to the present invention configured as described above are as follows.

First, when assembling the tray 96, when the user opens the door 71, an electrical signal indicating that the door 71 is opened by the contact detection sensor 108 is transmitted to the control unit 109, which is transmitted from the control unit 109. Power is applied to the drive motor 104 by the signal, so that the drive motor 104 and the pinion 106 are rotated, and the protruding block 80 is rotated by the rack gear 102 that is engaged with the pinion 106. Is sliding.

As a result, the roller guide 94 and the tray 96 may be installed at the correct position on the rotation shaft of the motor 92 extending outside the protruding block 80.

After the tray 96 is assembled as described above, when the protrusion block 80 is pushed into the cooking chamber 74 by the user or the door 71, the control unit 109 detects this and transmits a reverse rotation signal to the driving motor 104. As a result, the protruding block 80 that is engaged by the pinion 106 and the rack gear 102 is slid into the cooking chamber 74.

In addition, when the protruding block 80 is completely slid into the cooking chamber, the first terminal 107a and the second terminal 107b are electrically connected to each other, and thus an electric signal is transmitted so that the control unit 109 detects this and the driving motor 104. Make sure the power is off.

As the above-described operation is repeated, food can be stored on the upper surface of the tray 96, and the assembly of the tray 96 and the food of the tray 96 are made by the protruding block 80 sliding in and out of the cooking chamber 74. Storage can be achieved.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

In addition, although a microwave oven provided with a slide type tray has been described as an example, this is merely illustrative, and the slide type tray of the present invention may be used in a tray other than the tray used in the microwave oven.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

The microwave oven is provided with a slide-type tray according to the present invention configured as described above is provided with a protruding block and a sunk means sliding in and out of the cooking chamber, when assembling the tray protruding block is installed to the motor sliding outside the cooking chamber. Therefore, the user can easily assemble the roller guide and the tray in the correct position, there is an advantage that can prevent the malfunction and damage caused by the misassembly of the roller guide and the tray.

In addition, the microwave oven is provided with a slide-type tray according to the present invention, so even after the tray is installed, the protruding block slides into and out of the cooking compartment, so that the user can easily settle the food in the center of the tray when storing food, the food is eccentric Since it is stored so that food can be prevented from leaking inside the cooking chamber there is an advantage that can maintain a clean cooking chamber.

Claims (5)

A cabinet in which one side is opened and a door is installed; An inner case installed inside the cabinet to partition a cooking chamber and an apparatus chamber; A protruding block slidably installed at one side of the inner case and protruding to the outside or the inside of the cooking chamber; A motor installed in the protruding block; A roller guide connected to the rotating shaft of the motor; A tray seated on the roller guide to accommodate food; And A microwave oven is provided between the protruding block and the inner case, the slide-out tray including a protruding means for sliding the protruding block to the outside or inside the cooking compartment. The method of claim 1; The inner case is provided with a slide-type tray, characterized in that the seating portion is formed on the inner wall corresponding to the protruding block. The method of claim 2; A connection terminal is provided between the seating portion and the protruding block; The connection terminal is formed on the first terminal and the protruding block corresponding to the first terminal, and the second terminal is electrically connected to the first terminal when the protruding block slides into the cooking chamber. Microwave oven is provided with a slide-type tray comprising a. The method of claim 1; The sungoing means includes a rack gear formed on one side of the protruding block, a drive motor installed inside the cabinet corresponding to the rack gear, and a pinion installed on the rotation shaft of the drive motor and geared to the rack gear. Microwave oven is provided with a slide-type tray, characterized in that. The method of claim 4, wherein The display unit has a contact sensor installed between the cabinet and the door to detect whether the cooking chamber is opened or closed, and a control unit for determining whether to supply power to the driving motor according to a signal received from the touch sensor. Microwave oven is provided with a slide-type tray, characterized in that it further comprises.

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