KR20040012347A - Ultraviolet rays disinfection apparatus for microwave oven - Google Patents

Abstract

PURPOSE: A microwave oven is provided to achieve improved user convenience by permitting the microwave oven to have an ultraviolet sterilization function. CONSTITUTION: A microwave oven comprises a cavity(36) having a cooking chamber(32) for cooking or sterilization; a porous unit(62) formed at the top surface of the cavity so as to allow for passage of ultraviolet rays; an ultraviolet lamp(64) for radiating ultraviolet rays from above the porous unit; and a cover assembly(74) for protecting and fixing the ultraviolet lamp. The cover assembly includes a cover(76) having a reflecting surface for reflecting the ultraviolet ray; a lamp support hole(78) for fixing the ultraviolet lamp; and a flange(82) to be coupled with the top surface of the cavity.

Description

Microwave oven with ultraviolet sterilization function {Ultraviolet rays disinfection apparatus for microwave oven}

The present invention relates to a microwave oven, and more particularly to a microwave oven with a built-in ultraviolet sterilization function.

1 shows a configuration of a microwave oven according to the prior art. As shown therein, a cooking chamber 2 is provided inside the cavity 1 in which cooking is performed while heating the food by receiving microwaves, and the cooking chamber 2 is configured to be opened and closed by the door 4. . The cooking chamber is provided with a rotary plate 5 to heat food and put it therein, and the rotary plate is rotated by a driving motor (not shown) so that microwaves can be uniformly incident.

On the one side (right side in the drawing) of the cooking chamber 2, an electrical equipment chamber 10 in which various electronic components for generating microwaves is provided is provided, and the electrical equipment chamber 10 is formed by an external casing 6. It is configured to be shielded. Inside the electric compartment 10, a magnetron 12 for oscillating microwaves, a high pressure transformer 14 for applying high pressure to the magnetron, and an air flow for cooling the electric parts and passing through the inside of the cooking chamber 2. A blowing fan 16 or the like for forming the air is provided.

On the other hand, UV sterilizers are sterilizers that sterilize various harmful bacteria and microorganisms that live in containers such as cups by using ultraviolet light. The demand is exploding as it is, and the related technologies are also developing rapidly.

Conventionally, UV lamps are used in a limited way, such as dish sterilization or clothing sterilization.However, by adding UV sterilization function in relation to the function of microwave oven, products that can be properly selected and combined with food cooking function and food sterilization function are used. It is not adopted.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, the object of the present invention is to provide a multi-purpose microwave oven by adding a sterilization function in addition to the cooking function of the microwave oven.

1 is an exploded perspective view showing the internal structure of a conventional microwave oven according to the prior art.

Figure 2 is an exploded perspective view showing a preferred embodiment of the microwave oven with a built-in ultraviolet sterilization function according to the present invention.

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

32: cooking room 34: battlefield

62: porous part 64: ultraviolet lamp

66: rotating plate 74: cover assembly

76: cover 78: lamp support hole

82: flange 84: slit protrusion

94: square plate 96: projection

100: sterilization section

According to a feature of the present invention for achieving the above object, the present invention is a cavity having a cooking chamber in which food is cooked or disinfectant is sterilized, and a porous portion formed on the upper surface of the cavity to pass ultraviolet rays; And a cover assembly which can be fixed while protecting the ultraviolet lamp and an ultraviolet lamp for irradiating ultraviolet rays from the upper portion of the porous part.

The porous portion is formed of a plurality of through-holes in a rectangular shape in the central portion of the tip located on the upper surface of the cavity.

The cover assembly includes a cover having a reflecting surface for reflecting the ultraviolet light, a lamp support hole for fixing the ultraviolet lamp on both sides of the cover, extending around the cover, and coupled to an upper surface of the cavity. It is configured to include a flange for.

A slit protrusion is formed at one side of the flange and a slit groove is formed at one side of the upper surface of the cavity so that the slit protrusion is fastened to the slit groove.

The cooking chamber further includes a square plate provided with a sterilization section in which a non-slip protrusion and / or disinfectant is displayed.

According to the ultraviolet disinfection device for a microwave oven according to the present invention having such a configuration, it performs sterilization function in addition to the cooking function, which is the original function of the microwave oven, and also in the sterilization, it is possible to selectively use a square plate and a rotating plate, disinfectant There is an advantage that can vary the sterilization function according to the position of the square plate.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the ultraviolet sterilizer for microwave oven according to the present invention having the configuration as described above will be described in detail.

The microwave oven forms a body by the cavity 36 provided with the cooking chamber 32 and the electrical equipment chamber 34. The cavity 36 divides the cooking chamber 32 and the electric compartment 34, and opens and closes the base plate 38, which forms the bottom and both sides of the cooking chamber 32, and an open front surface of the cooking chamber 32. The front plate 44 for installing the control unit 42 for controlling the door 40 and the various parts of the electrical equipment room 34, and the rear of the cooking chamber 32 and the electrical equipment room 32 is blocked. It consists of a back plate 46 and a top plate 48 forming an upper portion of the cooking chamber 32. The front plate 44, the back plate 46, and the top plate 48 are fixed to the base plate 38 by welding or the like.

The cooking chamber 32 is a space for supplying microwaves generated from the components of the electrical equipment chamber 34 and is a space for heating food, and is configured to be opened and closed by the door 40 to prevent leakage of the microwaves.

In the electrical chamber 34, the magnetron 50 that oscillates the microwave, the high voltage transformer 52 for applying high pressure to the magnetron, and the magnetron 50 and the high voltage transformer 52 are radiated. Blowing fan 54 and the like are typically installed.

The cavity 36 including the cooking chamber 32 and the electric compartment 34 is covered by an outer casing 56, the outer casing 56 being substantially the upper surface 58 and both sides of the microwave oven ( 60) appearance.

The top plate 48 forming the upper part of the cooking chamber is provided with a configuration for installing the ultraviolet lamp 64. First, the top plate 48 is formed with a porous portion 62 consisting of a plurality of through holes in the center portion of the tip. That is, the porous portion 62 formed of a plurality of through holes is punctured in a rectangle. The porous portion 62 serves to cause the ultraviolet light emitted from the ultraviolet lamp 64 to be reflected on the disinfectant placed on the rotary tray 66 installed below the microwave oven.

On the other hand, one side of the top plate 48, the porous portion 62 is formed, a slit groove 70 is formed so that the cover assembly 74 to be described below is fastened, the cover assembly 74 At least one hole 72 is drilled to be screwed with.

The ultraviolet lamp 64 is installed on the porous portion 62. The ultraviolet lamp 64 is installed by a cover assembly 74. The cover assembly 74 is formed by a cover 76. The inner surface of the cover 76 is formed with a reflective surface so that the ultraviolet light can be reflected. The cover 76 is bent to surround the ultraviolet lamp 64.

Lamp support holes 78 are formed on both sides of the cover 76 to fix the ultraviolet lamp 64, and one side of the ultraviolet lamp 64 is connected with a wire 80 for supplying power from the outside. have.

In addition, a flange 82 extends around an edge of the cover 76 to couple the cover 76 to the upper surface of the top plate 48 on which the porous portion 62 is formed, and one side of the flange 82. The slit protrusion 84 is formed to be coupled to the slit groove 70 formed on one side of the top plate 48. At least one hole 86 is drilled in the left and right sides of the flange 82 to screw the cover 76 into the top plate 48.

On the other hand, inside the cooking chamber 32 is provided with a rotary plate 66 that can be heated on the food. The rotary plate 66 is provided to rotate by receiving a rotational force of a driving motor (not shown) installed under the cooking chamber through a shaft. Therefore, the rotary dish 66 in a state where the food is placed is operated so that the food can be heated while rotating. The heating of the food while rotating the rotary dish 66 is for heating the food uniformly by allowing the microwaves to be incident on the food uniformly.

This rotating plate 66 is usually made of glass. A turntable 87 is installed at a lower end of the rotation plate 66, and a coupling part 88 is coupled to a rotating shaft to receive a rotational power at a plurality of protrusions on a central lower surface of the turntable 87. The rotating ring 90 is interposed between the bottom surface of the cooking chamber and the turntable 87. The rotary ring 90 is for supporting the rotating rotary plate (66). In addition, the rotary ring 90 has a plurality of rollers 92 attached to the rotary ring to rotate.

Next, a square plate 94 may be installed on the rotary plate 66 in the cooking chamber so that objects to be sterilized and disinfected are placed thereon. The square plate 94 has protrusions 96 formed to the left and right or up and down to prevent the disinfection object from slipping. In this embodiment, the projection 96 is formed up and down, and the arrow 98 indicating the direction of insertion of the square plate 94 is displayed at the center of the rear end of the square plate 94.

And, since the sterilization function at the shortest distance with the ultraviolet lamp 64 shows the best effect, the sterilization section 100 for the specific products that can be used most at the shortest distance is displayed separately for convenience of use. to provide. For example, in the present embodiment, the sterilization section 100 is set separately at the tip of the square plate 94 to indicate that the milk bottle is optimal for sterilization.

Hereinafter, the operation of the UV sterilizer installation structure for a microwave oven according to the present invention having the configuration as described above will be described in detail.

According to the present embodiment, the porous portion 62 is manufactured at the same time when the top plate 48 is manufactured. In this way, the cover 76 is installed to install the ultraviolet lamp 64 on the porous portion 62 integrally formed with the top plate 48. The flange 82 is formed at the edge of the cover 76 to extend the cover 76 with the top plate 48. The cover 76 surrounds the ultraviolet lamp 64 so that ultraviolet light is transmitted only to the cooking chamber 32 through the porous part 62.

The ultraviolet lamp 64 is fixed to the lamp support holes 78 formed at both sides of the cover 76. The slit protrusion 84 provided on one side of the flange 82 is fastened to the slit groove 70 formed on the top plate 48, and then the flange 82 and the top plate 48 are screwed together.

It will be described to disinfect the disinfection object in the present invention as described above. First, when using only the square plate 94, put the square plate 94 in the direction of the arrow 98 in the cooking chamber 32, and then put the disinfectant to be disinfected on the sterilization section 100 of the square plate 94. Place and irradiate UV light on it. At this time, the driving motor installed under the cooking chamber 32 does not operate. By the operation of the ultraviolet lamp 64, a large amount of ultraviolet light is intensively irradiated only to the sterilization section 100, such as a milk bottle can be sterilized by varying the degree of sterilization and the sterilization site.

In addition, since the protrusions 96 are formed on the upper surface of the square plate 94 in the vertical direction or the left and right directions, even in the case of a product which is easy to roll or slip, such as glass products, it can be sterilized safely.

When using the rotary plate 66, install the rotary plate 66 in the lower part of the cooking chamber 32 so as to be coupled to the shaft of the drive motor, put a disinfectant to be disinfected on the rotary plate 66 and irradiate ultraviolet rays thereon. do. At this time, since the driving motor installed in the lower portion of the cooking chamber 32 operates and rotates, ultraviolet rays are uniformly irradiated on the entire rotating plate.

Therefore, in order to sterilize a large amount of disinfecting objects or to intensively sterilize and disinfect a specific object, it is useful to use only the square plate 94, and to rotate and sterilize and disinfect several disinfection objects evenly. Is preferably used.

In the above, the present invention has been described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments, and those of ordinary skill in the art belong to the present invention without departing from the gist of the present invention. By various changes and modifications can be made possible.

As described above, according to the configuration of the present invention, the following effects can be expected.

The present invention can perform the sterilization function in addition to the original cooking function of the microwave by adding the ultraviolet sterilization function can perform a variety of functions in one product to increase the convenience of the consumer. In addition, in the ultraviolet disinfection, the square plate and the rotating plate may be selectively used to perform the work more efficiently.

Claims (5)

A cavity having a cooking compartment where food is cooked or the disinfectant is disinfected; A porous part formed on an upper surface of the cavity and passing through ultraviolet rays; An ultraviolet lamp for irradiating ultraviolet rays from the upper portion of the porous part, Microwave oven with a built-in UV sterilization function characterized in that it comprises a cover assembly that can be fixed while protecting the ultraviolet lamp. The microwave oven with ultraviolet sterilization function according to claim 1, wherein the porous part is formed of a plurality of through-holes in a rectangular shape in a central portion of a tip of the cavity. The cover assembly of claim 1, further comprising: a cover having a reflective surface for reflecting the ultraviolet rays; Lamp support holes for fixing the UV lamp on both sides of the cover, It is formed extending around the cover, the microwave oven with a built-in ultraviolet sterilization function characterized in that it comprises a flange for engaging with the upper surface of the cavity. According to claim 1 or 3, wherein a slit protrusion is formed on one side of the flange and a slit groove is formed on one side of the upper surface of the cavity so that the slit protrusion is fastened to the slit groove. Microwave. The microwave oven with ultraviolet sterilization function according to claim 1, wherein the cooking chamber further includes a square plate having a sterilization section in which a non-slip protrusion and / or disinfectant is displayed.