KR20010010609A - microwave oven capable of cooking a food uniformly - Google Patents

Abstract

The present invention is the body (3) forming the appearance, the door 5 for opening and closing the cooking chamber 11, the operation panel 7 for controlling the internal parts, the turn table 9 for rotating the food placed 360 degrees and food heating In the microwave oven (1) consisting of a magnetron for generating a microwave for the turn table (9), a plurality of iron penetrating holes (13, 15, 17) arranged in concentric circles penetrates up and down, A plurality of iron needles 29 are installed in the iron infiltration holes 13, 15, and 17 so as to be movable up and down by the iron needle driver 30, and a plurality of heat collecting plates 19 are disposed at the outer peripheral portion of the upper surface of the turn table 9. ) Is attached to the circumferential direction, the iron needle 29 relates to a microwave oven capable of uniform cooking to receive the heat collected from the heat collecting plate 19, the iron needle when heating the bulky food Furnace (29) over the turntable (9) It is made to be uniformly heated and cooked to the inside of the food by the heat transmitted from the microwave and the heat collecting plate 19 concentrated on the tip of the iron needle 29 by being embedded into the food.

Description

Microwave oven capable of cooking a food uniformly

The present invention relates to a microwave oven, and more particularly, to install a plurality of needles on the turntable to move up and down to concentrate the microwaves on the tip of the needle and at the same time a plurality of heat collecting plate on the outer peripheral portion of the turntable top surface. The present invention relates to a microwave oven, in which a heating needle is heated by heat collected in the heat collecting plate, so that the inside of the food is embedded in the food when the bulk food is cooked, for example, chicken.

In general, the microwave is a high voltage formed by the action of the transformer is supplied to the magnetron, and then the electromagnetic waves generated from the magnetron is to be cooked in the cooking chamber so that food can be cooked, as shown in 101 in FIG. Has a configuration.

That is, the body 101 formed in the outer body of the stove 101 and divided into a cooking chamber 111 and a component chamber, a door 105 for opening and closing the cooking chamber 111, and a PCB 121 are connected to the microwave oven 101. ) Has a structure formed of an operation panel 107 for controlling the operation of the air, an intake port for sucking outside air, and an exhaust port for discharging the inside air of the stove, and a turntable 109 for placing food in the center of the bottom of the cooking chamber 111. ) It is installed to be rotatable. Thus, when the door 105 of the cooking chamber 111 is opened and food is placed on the turntable 109 and the operation panel 107 is operated to operate the microwave oven 101, the ventilation fan of the component chamber is operated and the intake port is opened. The outside air sucked through cools the inside of the parts chamber and then exits through the exhaust port, where food is cooked. At this time, the turntable 109 is to rotate 360 ° to cook the food in all directions, and as shown in Figure 2 is generally in the form of a disk, the inner and outer reinforcing ribs 117,115 of the annular for strength reinforcement on the lower surface Is attached, and has a simple structure in which the rotating shaft 119 is attached to the center.

As described above, the conventional microwave oven 101 includes microwaves generated from the magnetron on the outer surface of the food in a state of being placed in the food while rotating the food to be cooked on the turn table 109 shown in FIG. By increasing the kinetic energy of water molecules and vibrating, food is heated and cooked using heat generated by friction between water molecules.

Therefore, when the volume of food to be cooked is relatively large, such as whole chicken, for example, the amount of microwave irradiation shows a considerable difference between the outer and inner surfaces of the food, which inevitably causes a temperature difference between the inside and the outside of the food. The outer shell is badly baked or, on the contrary, the inside is less cooked, and there is a problem that the cooking state of the inside and outside of the food is not balanced.

Accordingly, the present invention has been made to solve the problems of the conventional microwave oven as mentioned above, and a plurality of iron needles capable of vertically moving up and down at the bottom of the turn table are appropriately arranged, the outer periphery of the turn table top surface The heat collected through the plurality of heat collecting plates installed in the part is transferred to these iron needles through conduction, etc., and when the bulky food is cooked, the iron needles are projected on the turntable in advance so that the iron needles are embedded in the food. At the same time, the concentration of the microwave at the same time is to collect the heat collected so that not only the outer surface of the food but also the inside can be cooked uniformly.

1 is a perspective view of a conventional microwave oven.

FIG. 2 is a bottom perspective view of the turn table shown in FIG. 1. FIG.

3 is a perspective view of a microwave oven according to the present invention;

4 is an enlarged perspective view of the turntable shown in FIG. 3.

FIG. 5 is a schematic perspective view of the needle and the needle driving unit shown in FIG. 4; FIG.

Explanation of symbols on the main parts of the drawings

1: microwave 3: body

5: door 7: operation panel

9: turn table 11: cooking chamber

13,15,17: iron invasion 19: heat collecting plate

21: PCB 23: heat transfer plate

25: cooking vessel 27: through the penetrating hole

29: iron needle 30: iron needle drive unit

33: guide 35: guide

37: rack 39: pinion

41: drive motor 43: on-off button

In order to achieve this object, the present invention provides an external body, a door for opening and closing the cooking compartment, an operation panel for controlling internal parts, a turntable for rotating the placed food 360 degrees, and a magnetron for generating microwaves for food heating. In the microwave oven, a plurality of iron needle holes arranged concentrically on the turn table are formed to penetrate up and down, and the iron needle holes are provided with a plurality of iron needles to be moved up and down by the needle needle driver. A plurality of heat collecting plates are arranged in the circumferential direction and attached to the outer circumferential portion of the upper surface, and the iron needle is to provide a microwave oven capable of uniform cooking, which is to receive heat collected from the heat collecting plate.

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

As shown in FIG. 3, the microwave oven of the present invention supplies the high voltage generated through the transformer to the magnetron as in the general microwave oven, and turns the microwave generated therefrom into the turntable 9 in the cooking chamber 11. In addition to the food placed on the top to vibrate the water molecules contained in the food to generate high-temperature frictional heat to cook the food instantaneously heat is configured as follows.

That is, the microwave oven 1 according to the present invention is composed of a body 3, a door 5, an operation panel 7, a turn table 9, and a magnetron, as in a conventional microwave oven. 3) is to form the outer body of the microwave oven (1), the interior of the body (3) is divided into a cooking chamber 11 into which food is put and a component chamber equipped with various parts, in front of the cooking chamber 11 The door 5 for opening and closing is mounted. In addition, various parts necessary for the operation of the microwave oven 1 are embedded in the component chamber of the body 3, and a PCB 21 for controlling a power circuit to which external power is input and various components is provided.

The operation panel 7 installed at one side of the front door 5 of the body 3 is connected to the PCB 21 so that the user can operate to control various components therein, and thus the body 3 It is designed to control the operation of the magnetron and the blowing fan and the fan motor installed at the top of the. In addition, the magnetron installed on the upper part compartment behind the operation panel 7 generates high frequency microwaves used for food heating.

As shown in FIG. 4, a plurality of iron penetrating holes 13, 15, and 17 are formed in the turn table 9 rotatably installed on the bottom surface of the body 3 and the cooking chamber 11. The plurality of iron infiltration holes 13, 15, and 17 are divided into large diameters 13, medium diameters 15, and small diameters 13 according to the size of the food placed on the turntable 9, thereby drawing concentricity. It is arranged at regular intervals. In addition, each of the iron penetrating holes 13, 15 and 17 has a diameter of 5 mm or less so as to prevent the microwaves from leaking to the outside through the iron penetrating holes 13, 15 and 17 when opened.

Each of the iron needles 13, 15, and 17 are inserted through a plurality of iron needles 29, respectively, each iron needle 29 is composed of a rod-shaped body and a sharp tip protruding upwards. As shown in FIG. 5, the turntable 9 is lowered or moved up and down to be exposed upward as in FIG. 4.

As described above, various forms of vertical movement means may be applied to the iron needle 29 to move the iron needle 29 up and down, and as an example, the iron needle driver 30 may be provided as illustrated in FIG. 5. The piercing drive unit 30 is coupled to the rack shaft 37 and the rack shaft 37 which is integrally attached to the lower end of the piercing needle 29 as shown in order to move the rack shaft 37 up and down by rotation Pinion 39 and a DC drive motor 41 for rotating the pinion (39). In addition, the needle bar 29 is guided up and down by a guide tube 33 mounted below the turntable 9 when the pinion 39 moves up and down, and the guide tube 33 is slidably with the needle needle 29. A plurality of guides 35 in contact with each other are radially projected on the inner wall, and are connected to the iron penetrating holes 13, 15, and 17 through guide holes 31 at the upper end thereof.

Then, the drive motor 41 for rotating the pinion 39 is connected to the PCB 21 connected to the operation panel 7 as shown in FIG. 5, and the user arbitrarily moves the moving needle 29 on the operation panel 7. It is provided with an on-off button 43 to control the on-off.

The heat transfer plate 23 installed below the turn table 9 to fix and support each of the guide tubes 33 may take various forms. As shown in FIG. 4, a circular plate having the same size as the turn table 9 may be formed. It may be configured as. The heat transfer plate 23 serves to heat the iron needle 29 in addition to the function of supporting the guide tube 33. For this purpose, a plurality of heat collecting plates 19 are formed on the outer side of the turntable 9 in the circumferential direction. They are arranged at regular intervals and are attached to the heat transfer plate 23 through the turntable 9. Each heat collecting plate 19 is configured to collect heat generated by the microwaves, and transfers the collected heat to each iron needle 29 through the heat pipe 23 through the guide tube 33.

In addition, the microwave oven 1 according to the present invention is provided with a cooking vessel 25 applied only to the microwave oven 1, as shown in the upper part of FIG. 4, and the cooking vessel 25 is placed on the turn table 9. The same position as the plurality of iron penetrating holes 13, 15, and 17, and the same number of penetrating through holes 27 are formed on the bottom surface to allow food to be placed more conveniently and uniform cooking according to the present invention. .

Therefore, according to the microwave oven 1 of the present invention having the above configuration, in the case of general use without applying the uniform cooking function, the food is placed on the turntable 9 and the operation is started through the operation panel 7. High frequency microwave of 2.45 발생 is generated in the magnetron and reflected on the metal attached to the inner wall of the cooking chamber 11 or irradiated to various foods through glass or porcelain to vibrate and rub the water molecules contained in the food to heat food. Done.

When the user presses the on / off button 43 to cook the bulky food, the drive motor 41 is driven to rotate by the PCB 21, and the pinion 39 rotates, so that the rack shaft 37 and the needle bar ( 29 moves upwards to expose the top of the needle bar 29 above the turntable 9 as shown in FIG.

If necessary, the food is placed on the turntable 9 in a state in which food to be cooked is placed in the cooking container 27, in which the piercing through hole 27 and the piercing needle 29 are aligned in a straight line. In order to use a separate guide or to make a concave groove on the outer circumferential surface of the cooking vessel 27 may be guided by the heat collecting plate 19 in the groove.

In this way, the food container or cooking vessel 27 is placed on the turntable 9 as necessary, each of the iron needles 29 are embedded in the inside of the food, and once the microwave is generated in the magnetron, the tip of the iron needle 29 Microwaves are concentrated on the inside of the food in which the iron needle 29 is embedded and is quickly heated and cooked. At the same time, the heat collected in the heat collecting plate 19 is transferred to the iron needle along the heat transfer plate 23 and the guide tube 33 to accelerate the heating of the food inside by the iron needle 29, so that the cooking inside the food is made more surely and quickly.

In addition, in the case of arranging the iron infiltration holes 13, 15, and 17 according to the size of the food, according to the arrangement of the iron infiltration holes 13, 15, and 17, by controlling whether the rise of the iron needle 29 Only the necessary portion may be exposed to the needle bar 29 outside the turntable 9, and the number of exposure of the needle bar 29 can be changed according to the type of cooking to adjust the heating degree of the food appropriately.

As described above, according to the microwave oven of the present invention, when the iron needle is not used, the basic cooking function can be performed as in a conventional microwave oven, and when the volume of food is relatively large, the iron needle is placed on the turntable as needed. By using the microwaves concentrated on the iron needle and the heat transferred from the heat collecting plate to the iron needle, it is possible to quickly and reliably heat not only the food outer parts but also the deep parts of the inside by being exposed and embedded in the food. have.

While the invention has been shown and described with respect to particular embodiments, those skilled in the art will recognize that various modifications and changes can be made without departing from the spirit and scope of the invention as indicated by the appended claims. Anyone can easily know.

Claims (5)

Body 3 forming the appearance, the door 5 for opening and closing the cooking chamber 11, the operation panel 7 for controlling the internal parts, the turn table 9 for rotating the placed food 360 degrees and the micro for food heating In the microwave oven 1 made of a magnetron for generating a wave, the turn table 9 is formed by penetrating a plurality of iron infiltration holes 13, 15, and 17 arranged in a concentric manner. 13, 15, and 17 is a microwave oven capable of uniform cooking, characterized in that a plurality of iron needles 29 are provided to be moved up and down by the iron needle drive unit 30, respectively. 2. The turn table (9) according to claim 1, wherein a plurality of heat collecting plates (19) are arranged in the circumferential direction on the outer circumferential portion of the top surface, and the heat collecting plates (19) transmit the collected heat to the plurality of needles (29). Microwave oven capable of uniform cooking, characterized in that the transmission. The heat collecting plate (19) is in contact with a circular heat transfer plate (23) installed under the turn table (9), and the heat transfer plate (23) is a guide tube (33) for guiding the up and down needles (29). ) Is a microwave oven capable of uniform cooking, characterized in that is inserted through. The pinion 39 and the pinion 39 rotated by the driving motor 41 and the driving motor 41 connected to the on / off button 43 on the operation panel 7. Microwave oven capable of uniform cooking, characterized in that consisting of a rack shaft 37 attached to the lower end of the iron needle (29). According to claim 1, Cooking vessel 25 for placing the food to be cooked on the turn table (9) penetrates a plurality of iron needles in the coaxial position with the plurality of iron infiltration holes (13, 15, 17) on the bottom surface Microwave oven capable of uniform cooking, characterized in that the ball 27 is formed.