KR20000027334A - Microwave oven having dispersing device for microwaves - Google Patents

Abstract

PURPOSE: A microwave oven is provided to equally heat a cooking material by diffusely reflecting microwaves oscillated from a magnetron toward the cooking material. CONSTITUTION: A driving motor(90) is driven and a rotary member(91) is revolved if a microwave oven is started as a cooking material is put on a tray in a cooking chamber. A working rod(93) repeats a mountain(91b) and a valley(91c) if the rotary member is revolved. A reflecting member(94) is moved together with the working rod to reflect microwaves oscillated from a magnetron and to generate the diffused reflection on the cooking chamber. Therefore, the cooking material is equally cooked by the microwaves.

Description

Microwave Oven with Microwave Disperser

The present invention relates to a microwave oven, and more particularly, to a microwave oven having a microwave dispersing apparatus that cooks a cooked object uniformly by causing the microwaves oscillated in the magnetron to be diffusely reflected toward the cooked object.

In general, the microwave oven cooks the food by irradiating microwaves oscillated by the magnetron to the food to be cooked by inducing exothermic action by frictional heat generated by colliding molecules in the food. An example is shown.

As shown in the drawing, the cooking chamber 3 and the exterior are formed by the inner body 2 and the outer body 1 made of a metal material.

An opening 4 is formed at one side of the inner body 2, and a magnetron 5 for oscillating microwaves shields and supports the periphery of the opening 4 to guide the progress of the oscillated microwave. It is attached with the shield 6 to be.

In addition, the bottom of the cooking chamber 3 is rotated under the driving force of the motor 7 installed in the lower side thereof, and functions as a container in which the food is placed, or a tray 8 in which a separate container is placed is provided. It is built up.

Therefore, when commercial power is applied to the magnetron 5 as shown in FIG. 1 through a high voltage transformer (not shown), the magnetron 5 oscillates the microwaves, and the oscillated microwaves through the opening 4. Directly or reflected by the shield (6) to the inside of the cooking chamber (3) to cook the food to be cooked.

On the other hand, as shown in FIG. 1, since the inner body 2 is manufactured so that a plurality of protrusions 21 and the grooves 22 are integrally formed on the inner wall of the cooking chamber 3, the magnetron 5 starts oscillation. After the microwaves hit the protrusions 21 and the grooves 22, a method of uniformly reflecting the food to be cooked is proposed.

However, in the above technique, the structure in which the protrusions 21 and the grooves 22 are arranged in a uniform shape with respect to the inner body 2 is reflected, after hitting the protrusions 21 and the grooves 22 and then reflected. Was reflected in a substantially constant direction.

Therefore, there is a problem that can not effectively achieve the fundamental purpose to irregularly reflect the microwave oscillated in the magnetron and to cook the food uniformly.

Therefore, the technical problem to be achieved by the present invention, that is, the object of the present invention, to solve the problems with the conventional microwave oven, by making the microwaves emitted from the magnetron diffusely reflected toward the food to be cooked, The present invention provides a microwave oven having a microwave dispersing device that ripens water uniformly.

1 is a cross-sectional view showing the internal configuration of a typical microwave oven.

Figure 2 is a cross-sectional view showing the configuration of a microwave oven according to the present invention.

Figure 3 is an enlarged cross-sectional view showing a first embodiment of the microwave dispersion device according to the present invention.

Figure 4 is an enlarged cross-sectional view showing a second embodiment of the microwave dispersion apparatus according to the present invention.

Figure 5 is an enlarged cross-sectional view showing a third embodiment of the microwave dispersion apparatus according to the present invention.

Explanation of symbols on the main parts of the drawings

One ; Outer body 2; Internal

3; Cooking chamber 4; Opening

5; Magnetron 6; Sealed

7; Motor 8; tray

9; Diffuse reflection means 20; Through hole

90; Drive motor 91; Rotating member

91a; Cam groove 91b; mountain

91c; Goal 92; Elastic member

93; Working rod 94; Reflective member

The present invention to achieve the above object, the outer body forming the appearance of the main body; A cooking chamber which is formed inside the main body and is sealed by an inner body and has an opening formed on one side wall; A shield mounted outside the opening and having a magnetron configured to oscillate the microwave; A tray installed at a bottom side of the cooking chamber and rotated by a driving force of a motor; And means for diffusely reflecting the microwaves oscillated from the magnetron with respect to the cooking chamber between the inner body and the outer body.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention for achieving this object will be described in detail.

Figure 2 is a cross-sectional view showing the internal configuration of a general microwave oven to which the present invention is applied, Figure 3 is a cross-sectional view showing the main portion according to the present invention, the same parts and members as in the prior art will be described with the same reference numerals.

Incidentally, the diffuse reflection means according to the present invention will be described with reference numeral "9".

As shown, the microwave oven according to the present invention is the cooking chamber 3 and the appearance is formed by the inner body 2 and the outer body 1 made of a metal material.

An opening 4 is formed at one side of the inner body 2, and a magnetron 5 for oscillating microwaves shields and supports the periphery of the opening 4 to guide the progress of the oscillated microwave. It is attached with the shield 6 to be.

In addition, the bottom of the cooking chamber 3 is rotated under the driving force of the motor 7 installed in the lower side thereof, and functions as a container in which the food is placed, or a tray 8 in which a separate container is placed is provided. These structures are similar to the internal structure of the conventional microwave oven described above.

However, the feature of the present invention, between the inner body 2 and the outer body 1, the diffuse reflection means 9 for diffusely reflecting the microwaves oscillated in the magnetron 5 with respect to the inside of the cooking chamber 3 Is provided.

The diffuse reflection means (9) is fixedly installed between the plurality of through holes (20) formed on the other side wall of the inner body (2) and the inner and outer bodies (2) (1) to be driven and supplied with power. It has a motor 90. A rotating member 91 is installed on the shaft of the drive motor 90. One side of the rotating member 91 is supported by one end of the operating rod 93 elastically installed by the elastic member 92, the other end protrudes into the cooking chamber (3) through the through hole (20). do. In addition, the other end of the operating rod 93 is provided with a reflecting member 94 exposed toward the cooking chamber (3).

Preferably, the rotating member 91 is formed with a cam groove 91a into which one end of the operating rod 93 is fitted in one circumferential direction thereof, and one side of the outer circumferential surface thereof has a peak 91b and a valley 91c. Although it is preferable to be provided in a cam shape repeatedly arranged at a predetermined height, as shown in FIG. 4, one side thereof may be provided to be inclined at a predetermined angle.

In addition, the reflective member 94 is preferably provided with a metal material having a hemispherical shape, but may be provided as a polyhedron as shown in FIG. 5.

The operation and effects of the present invention configured as described above will be described.

That is, when commercial power is applied to the magnetron 5 as shown in FIG. 2 through a high voltage transformer (not shown), the magnetron 5 oscillates microwaves, and the oscillated microwaves through the opening 4. Directly or reflected by the shield (6) to the interior of the cooking chamber (3) to cook the food to be the same as the conventional.

At this time, the features of the present invention, as shown in Figures 2 to 5, when the microwave oven is driven in a state in which the food to be placed on the tray 8 disposed inside the cooking chamber 3, the drive motor ( 90 is driven to rotate the rotating member (91).

As described above, when the rotating member 91 is rotated, the operating rod 93 whose one end is supported by the cam groove 91a formed in the rotating member 91a is formed by repeating the peak 91b and the valley 91c. By the cam groove 91a "jagged" with respect to the inside of the cooking chamber 3, as shown by the arrow of Figure 3, it is repeatedly advanced (or sunk).

Therefore, when the operating rod 93 is retracted with respect to the inside of the cooking chamber 3, the reflective member 94 provided at the other end thereof is advanced with the operating rod 93, and accordingly, the magnetron 5 Microwaves oscillating at the surface collide with each other and are reflected, and diffuse reflection of the microwaves is generated in the cooking chamber 3.

In this way, the cooked food may be cooked more uniformly by the diffusely reflected microwave.

As described above in detail, the present invention is characterized in that the microwaves oscillated in the magnetron are diffusely reflected toward the food to be cooked, thereby ripening the food to be cooked.

Until now, the preferred embodiments of the present invention have been illustrated and described in detail, but the present invention is not limited thereto, and various modifications can be made by those skilled in the art.

Claims (6)

An outer body forming an appearance of the microwave oven body; A cooking chamber which is formed inside the main body and is sealed by an inner body and has an opening formed in one side wall; A shield mounted to the outside of the opening and having a magnetron configured to oscillate the microwave; A tray installed at a bottom side of the cooking chamber and rotated by a driving force of a motor; And And a means which is installed between the inner body and the outer body and diffuses the microwaves oscillated from the magnetron with respect to the cooking chamber. According to claim 1, The diffuse reflection means comprises a plurality of through holes formed in the other side wall of the inner body; A drive motor fixedly installed between the internal and external bodies and driven by receiving power; A rotating member installed on the drive motor; An operating rod having one end supported by the rotating member and the other end exposed to the inside of the cooking chamber through the through hole; A reflective member fixed to the other end of the operating rod and exposed toward the cooking chamber; And Microwave oven characterized in that consisting of an elastic member elastically installed between one end side of the operating rod and the outside of the inner body. According to claim 2, wherein the rotating member has a cam groove in which one end of the operating rod is formed in the circumferential direction of one side thereof, and one side of the outer circumferential surface has a cam shape in which peaks and valleys are repeatedly arranged at a predetermined height. Microwave oven. The microwave oven of claim 3, wherein one side of the rotating member is inclined at a predetermined angle. The microwave oven of claim 2, wherein the reflective member is formed of a hemispherical metal material. The microwave oven of claim 2, wherein the reflective member is formed of a polyhedron.