KR100842973B1 - Kimchi refrigerator - Google Patents

Abstract

The present invention relates to a kimchi refrigerator having an irradiation device for irradiating visible light to the door of the kimchi refrigerator, the reflective layer reflecting visible light is formed on the inner surface of the storage space.

To this end, the present invention, the main body 100 to form an outer shape; An inner case 120 formed in the inner side of the main body 100 to form a storage space R for receiving the storage container 140 containing food; A door 200 selectively shielding the storage space R from one side of the main body 100; An irradiation apparatus (300) provided on an inner side of the door (200) to irradiate visible light into the storage space (R); It is formed on the inner surface of the inner case 120, and comprises a reflective layer 122 for reflecting the visible light irradiated from the irradiation device (300). According to the present invention having such a configuration, there is an advantage that the storage performance and the ease of use are improved.

Kimchi refrigerator, visible light, irradiation device, reflection

Description

Kimchi refrigerator {Kimchi refrigerator}

1 is a perspective view showing a state that the door of the kimchi refrigerator according to the prior art opened.

Figure 2 is a perspective view showing a state that the door of the kimchi refrigerator according to the present invention opened.

Figure 3 is an exploded perspective view showing the configuration of the irradiating apparatus that is the main component of the kimchi refrigerator according to the present invention.

Figure 4 is a schematic diagram showing the internal structure of a first embodiment of a kimchi refrigerator according to the present invention.

Figure 5 is a schematic diagram showing the internal structure of another embodiment of the kimchi refrigerator according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Main body 120. Inner case

122. Reflective layer 140. Storage container

200. Door 220. Gasket

240. Door reflection layer 300. Irradiation device

400.Case 420. Baseplate

440. Cover plate 442. Transmission window

444. Deodorization Hall 500. LED

520. Mounting board 600. Reflector

700. Deodorant R. Storage

The present invention relates to a refrigerator, and more particularly, to a kimchi refrigerator having an irradiation device for irradiating visible light to the door of the kimchi refrigerator, and a reflective layer for reflecting visible light is formed on the inner surface of the storage space.

In general, the kimchi refrigerator is for freezing or refrigerating foods including kimchi, and is configured to freeze or refrigerate foods including kimchi with cold generated by a freezing cycle configured inside the kimchi refrigerator.

In particular, the kimchi refrigerator is configured to allow free temperature control according to the condition of the kimchi or the user's request stored for long-term storage as well as fermentation and ripening of kimchi, and is classified into various forms according to the configuration of the storage space.

That is, the general kimchi refrigerator is a lid-type kimchi refrigerator selectively shielding the storage space opened upwards, a drawer-type kimchi refrigerator selectively shielding the storage space opened forward, and a combination of the lid-type kimchi refrigerator and the drawer-type kimchi refrigerator It is composed of Kimchi refrigerator.

Hereinafter, a lid type kimchi refrigerator will be described as an example for convenience of explanation and understanding, but the present invention may be variously applied regardless of the shape of a refrigerator.

1 is a perspective view showing the state of the door of the kimchi refrigerator according to the prior art, as shown in the figure, the body of the kimchi refrigerator 1 is formed in a substantially rectangular parallelepiped shape, the body 1 upwards An open storage space 10 is formed.

The storage space 10 is a space for low temperature storage of food, and is formed by an inner case forming an inner side of the main body 1 to be recessed downward, and formed as one space according to the shape of the refrigerator. As shown, it may be formed by partitioning the left and right compartments.

The storage space 10 is selectively shielded by the door 20. The door 20 is formed in a shape corresponding to the shape of the opened upper surface of the storage space 10, is hinged to the rear end of the upper surface of the main body 1 to be rotated upwards.

Accordingly, the storage space 10 is selectively shielded according to the rotation of the door 20, and when the storage space 10 is shielded, the door 20 forms an outer surface of the main body 1. When the storage space 10 is divided into a left compartment and a right compartment, the door 20 is provided with a door 20 on the left side and the right side, respectively.

On the other hand, inside the storage space 10 is a storage container 30 containing the food including kimchi is seated. The storage container 30 may be formed in various sizes and configurations, and is stacked and seated up and down inside the storage space 10.

Looking at the operation of the kimchi refrigerator according to the prior art having such a configuration as follows.

In order to store kimchi in a kimchi refrigerator, first, the kimchi for storage in the storage container 30 is sealed and then put in the storage space 10 formed in the main body. In this case, the storage container 30 is stacked and stored together with the other storage container 30, and after the storage container 30 is accommodated, the door 20 is rotated to completely block the storage space 10 from the outside. Let's go.

After the storage space 10 is shielded by the door 20, the user operates the operation of the kimchi refrigerator to store the kimchi in a desired state, and thus the refrigeration cycle provided in the kimchi refrigerator is operated to store the kimchi. The temperature inside the space 10 is adjusted.

As the internal temperature of the storage space 10 is adjusted, the kimchi in the storage space 10 is stored in a state desired by the user.

However, the kimchi refrigerator according to the prior art as described above has the following problems.

In the above-mentioned kimchi refrigerator, the fermentation ripening and low temperature storage of kimchi accommodated in the storage space are only performed by controlling the temperature of the storage space, but such a method alone does not sufficiently exhibit the desired storage performance.

In particular, the fermentation of kimchi to control the growth of the bacteria involved in the fermentation of kimchi in order to give the user's preferred taste, there is a limit to effectively control the kimchi fermentation bacteria only by temperature control.

An object of the present invention is to solve the problems of the prior art as described above, is provided with an irradiation apparatus for irradiating visible light to the door of the kimchi refrigerator, the inner surface of the storage space is formed with a reflective layer for reflecting visible light Kimchi refrigerator is to be provided.

Kimchi refrigerator according to the present invention for achieving the object as described above, the main body to form an outer shape; An inner case formed inwardly of the main body to form a storage space for storing a storage container containing food; A door selectively shielding the storage space from one side of the main body; An irradiation apparatus provided on an inner side of the door to irradiate visible light into the storage space; It is formed on the inner surface of the inner case, characterized in that it comprises a reflective layer for reflecting visible light irradiated by the irradiation apparatus.

The reflective layer is made of a material that reflects light, and is formed by being applied to an inner surface of the inner case.

A door reflection layer is further formed on an inner side surface of the door to reflect the visible light irradiated from the light irradiation device.

The irradiation apparatus includes an LED (LED) for irradiating visible light; It is formed to accommodate the LED on the inside, and comprises a case for assisting the mounting of the LED.

The LEDs are provided in plural, each LED is configured to irradiate colors of different visible light, and the plurality of LEDs are selectively configured to be lit together.

The irradiation device is further provided on the inner circumference of the inner case.

According to the present invention having such a configuration, it is possible to expect the effect of improving the fermentation performance and storage performance of kimchi.

Hereinafter, an embodiment of the kimchi refrigerator according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

2 is a perspective view showing the door of the kimchi refrigerator according to the present invention opened, as shown in the figure, the body of the kimchi refrigerator 100 is formed in a substantially rectangular parallelepiped shape, the body 100 upwards An open storage space R is formed.

The storage space (R) is a space for low temperature storage of food is formed by the inner case 120 is formed to be recessed downward to form the inner surface of the main body 100, one space according to the shape of the refrigerator It may be formed to be divided into a left compartment and a right compartment as shown may be formed.

The reflective layer 122 is formed on the inner surface of the inner case 120 forming the storage space R. The reflective layer 122 reflects the visible light irradiated from the irradiation apparatus 300 to be described below so that the visible light uniformly reaches the entire storage space (R), and the circumferential surface of the storage space (R) It is formed on the inner surface of the inner case 120 corresponding to the lower surface.

The reflective layer 122 may be formed by applying or coating a material capable of reflecting light to the inside of the inner case 120, and the reflective layer 122 coated or coated by such a material may be a mirror. It would be desirable to form a surface such as
As such, the reflective layer 122 may reflect light, as well as a material and a material that can be applied to the inner case 120, and may be formed of silver or silver white paint, or a transparent coating such as varnish. It will be apparent that any material or material can be used as long as the material is smooth or the surface can reflect the light of the irradiation apparatus 300 such as aluminum tape or the like.

In addition, if necessary, the reflective layer 122 may be formed by coating or not by coating, and may form the inner case 120 by using a metal material, such as aluminum or stainless steel, having a surface characteristic capable of reflecting light. Could be

The storage container 140 is accommodated in the storage space R formed as described above. The storage container 140 is to contain a variety of food, including kimchi, is formed in a generally rectangular parallelepiped shape.

The storage container 140 is accommodated in a plurality of the inside of the storage space (R), these plurality of storage containers 140 may be seated in parallel with each other inside the storage space (R), up and down each other It may be seated to be stacked.

The storage container 140 is generally formed of a transparent material, or is formed of a translucent material so that the food contained therein can be identified, as well as visible light irradiated from the irradiation device 300 to be described in detail below It is formed to be permeable to food contained in. And, if necessary, the lid forming the upper surface of the storage container 140 may be formed of an opaque material.

On the other hand, the upper surface of the main body 100 is provided with a door 200. The door 200 selectively shields the opened upper surface of the storage space R, and is formed to completely shield the opened upper surface of the storage space R, and shields the storage space R. When it is formed to form the upper appearance of the main body 100.

The door 200 is formed according to the configuration of the storage space (R). That is, when the storage space (R) is composed of one, the door 200 is also configured to correspond to this one door 200, as shown in the storage space (R) is divided into a left compartment and a right compartment In this case, the door 200 is also composed of two doors 200 to shield the left and right compartment separately.

The door 200 is hingedly coupled to the rear end of the main body 100 so as to be rotatable upward and downward, and the storage space R is selectively shielded by the rotation of the door 200. It becomes possible.

A gasket 220 formed of a rubber or silicon material is mounted around the inner surface of the door 200 in contact with the storage space R, and the gasket 220 may seal the storage space R. When the door 200 shields the storage space R, the door 200 is formed to be in close contact with an upper end of the storage space R.

On the other hand, the irradiation apparatus 300 is provided inside the door 200. The irradiation device 300 irradiates visible light to the inside of the storage space R, and is mounted at an approximately center portion inside the door 200.

Hereinafter, the irradiation apparatus will be described in more detail with reference to FIG. 3.

3 is an exploded perspective view showing the configuration of the irradiating apparatus that is a main component of the kimchi refrigerator according to the present invention. As shown in the drawing, the irradiating apparatus 300 includes an LED 500 and a case 400.

The LED 500 irradiates visible light to the inside of the storage space R, and since a high efficiency LED is generally used, a detailed description thereof will be omitted.

For reference, visible light refers to light having a wavelength in the visible range of the human eye, and although slightly different depending on the human, the wavelength range is generally 380 to 770 nm. In visible light, the change of properties according to the wavelength is shown in each color, and the wavelength becomes shorter from red to purple. For example, in the case of monochromatic light, 700-610 nm is red, 610-590 nm is orange, 590-570 nm is yellow, 570-500 nm is green, 500-450 nm is navy blue, and 450-400 nm is purple.

When irradiating light in the infrared region with a wavelength longer than 770 nm, the temperature in the storage space R is increased, the surface temperature of the stored food is increased and the food surface is discolored, which is good for maintaining the freshness of the food. Has no effect. Therefore, it is preferable that the LED 500 of the irradiation apparatus 300 irradiates the light of visible light.

However, since the visible ray and infrared ray of the red series and the visible ray region and the ultraviolet ray region of the violet series are not accurately distinguished, the visible ray region according to the present invention also includes some infrared rays and ultraviolet rays in the wavelength range adjacent to the visible ray region. do.

On the other hand, the case 400 is to be mounted to the LED 500, the base plate 420 is formed in a substantially rectangular plate shape mounted on the inner surface of the door 200, and the base plate ( The cover plate 440 is coupled to the base plate 420 above the base plate 420 (as shown in FIG. 3) to shield the LED 500 mounted on the 420.

The LEDs 500 are mounted on both sides of the base plate 420. The LEDs 500 may be mounted on both sides of the base plate 420, respectively, but may have different wavelengths, that is, different colors, to irradiate visible light of various wavelengths inside the storage space R. FIG. It may be desirable to mount multiple dogs by irradiating visible light.

The LEDs 500 irradiating different colors of visible light are arranged side by side on a mounting board 520 having both ends fixed to the base plate 420, and all of them are irradiated with visible light toward the outside. It is equipped to be.

On the other hand, the irradiation device 300 serves to control the fermentation and ripening degree of kimchi stored in the storage space (R) by using the visible light irradiated from the LED (500). Referring to the principle that the fermentation degree of kimchi stored by the irradiation device 300 is controlled as follows.

Kimchi is a fermented lactic acid food that undergoes the aging process. As lactic acid bacteria increase, sterilize pathogenic microorganisms, and replace sugars in vegetables with lactic acid to refresh the taste of kimchi.

Initially, a bacterium called leuconostoc Mesenteroides (hereinafter referred to as leuconostoke) is used to mature kimchi, and then Lactobacillus Plantarum (hereinafter referred to as Lactobacillus). 'And abbreviated') will act to kill the harmful bacteria.

Lacobacillus bacteria sterilize harmful bacteria, but they make acid too much and cause kimchi to soak. It is not immediately after soaking kimchi, but it is produced from the taste of kimchi and exists until the end.

On the other hand, leukonostock is known to be effective in digestion and constipation by making dietary fiber called dextran to promote metabolism. And, the leuconosstock gives a topping taste of kimchi that the user feels delicious, and the amount decreases rapidly when the acid increases during fermentation.

Therefore, fermentation of kimchi is preferred to initially increase the leukonostock in order to ripen the kimchi deliciously, and to inhibit the Lactobacillus as much as possible to maintain the taste for a long time after the kimchi tastes.

Through experiments, the inventors found that irradiating light in the visible region to kimchi in the early stage of fermentation can increase leukonostock, and inhibiting lactobacillus by irradiating kimchi in the middle of fermentation.

With this in mind, the increasing trends of leukonostock and Lactobacillus were measured while irradiating various luminous colors at the beginning and the middle of kimchi fermentation.

As a result of the experiment, at the beginning of the fermentation of kimchi, the amount of leukonostock increased significantly, especially in the combination of green and white LEDs 500. In the middle of the fermentation of kimchi, the combination of yellow and white LEDs 500 and the combination of indigo and white LEDs 500 showed a significant effect of inhibiting the increase of lactobacillus.

Through these experimental results, it is preferable that the visible light irradiated to the kimchi contains white light which has a good effect on the ripening and storage of the kimchi, regardless of the degree of fermentation of the kimchi. It can be seen that it is preferable to combine the light including color and white.

In addition, the irradiation apparatus 300 proved through experiments that it is preferable to irradiate light by different combinations during the early ripening and long-term storage of kimchi stored.

More specifically, during the early ripening of kimchi, it is preferable to irradiate the kimchi with a combination of green and white light, and for the long-term storage of kimchi, a combination of any one of yellow and indigo light and white light is applied to the kimchi. It is desirable to investigate.

Up to now, it has been described assuming that the kimchi is stored in the storage space (R), it will be obvious that it is also possible to store vegetables in a part of the partitioned storage space (R).

Accordingly, the inventors have experimentally found that when the vegetables are stored as described above, the combination of green and white light is applied to the vegetables to maintain the freshness of the vegetables for a long time. Therefore, in the case of storing vegetables, the freshness can be maintained for a long time by combining green and white light as in the long-term storage of the kimchi described above.

On the other hand, the reflecting plate 600 for reflecting the visible light emitted from the LED 500 is mounted on both sides of the base plate 420 slightly away from the LED 500. The reflective plate 600 is formed to be stepped in multiple stages in order to reflect visible light emitted from the LED 500 at various angles, and each stepped surface may be formed to have a predetermined slope.

As described above, the LEDs 500 are provided at both sides of the base plate 420, and the reflecting plate 600 is provided at the outside of the LEDs 500 to irradiate visible light from both sides of the irradiation apparatus 300. It becomes possible.

In addition, a deodorizing material 700 for removing odors is accommodated in an approximately center portion of the base plate 420 corresponding to the LEDs 500 on both sides of the base plate 420.

On the other hand, the cover plate 440 is formed to have a predetermined length so as to shield the LED 500 and the reflecting plate 600 on both sides of the base plate 420 at one time, the corresponding to the LED 500 Both ends of the cover plate 440 are formed of a transparent material, and are provided with a transmission window 442 through which visible light transmitted from the LED 500 is transmitted.

In addition, it may be preferable that a plurality of perforated deodorizing holes 444 are formed at both sides of the cover plate 440 corresponding to the position where the deodorizing material 700 is accommodated.

Hereinafter, the operation of the kimchi refrigerator according to the present invention having the configuration as described above will be described with reference to FIGS. 2 to 4.

Figure 4 is a schematic diagram showing an internal structure of a first embodiment of a kimchi refrigerator according to the present invention. As shown in these figures, in order to store kimchi, first, the kimchi to be stored in the storage container 140, and then the storage container 140 is sealed.

The sealed storage container 140 is accommodated inside the storage space R, and if necessary, a plurality of storage containers 140 are stacked to be seated inside the storage space R.

Next, the door 200 is closed to completely seal the inside of the storage space R, and then a refrigeration cycle configured in the main body 100 of the kimchi refrigerator is cooled to cool the inside of the storage space R.

At this time, the user controls the temperature of the storage space (R) by adjusting the operation of the refrigeration cycle to store the kimchi in a desired state, while operating the irradiation device 300 to generate visible light in the storage space Irradiation is performed inside of (R).

Of course, the plurality of LEDs 500 provided in the irradiation apparatus 300 are combined with each other to provide more effective storage performance, and the visible rays in which the plurality of lights including white light are combined from the irradiation apparatus 300 are irradiated. By controlling the degree of fermentation of kimchi.

In more detail, according to the fermentation process in the early stage of fermentation irradiated with a combination of green and white light that can increase the leuconosstock as much as possible, and in the middle of the fermentation yellow to suppress the increase of Lactobacillus to the maximum The fermentation degree of kimchi is controlled by irradiating light of either color and white of indigo blue.

The combination of the LED 500 is used by the user at the time of fermentation of the kimchi, the user, if the user wants to premature ripening or long-term storage of kimchi or other food storage, such as vegetables is another By selecting the combination of the LED 500 to control the storage state of the kimchi and other foods in the storage space (R).

On the other hand, the visible light irradiated by the irradiation device 300 mounted on the inner surface of the door 200 is irradiated to the side and downward, a substantial portion of the irradiated light forms the inner wall surface of the storage space (R). Is reflected by the reflective layer 122 of the inner case 120.

In this case, the reflective layer 122 is formed on the entire inner surface of the inner case 120 forming the storage space (R), so that the irradiation apparatus 300 throughout the entire storage space (R) up to the bottom. Ensure that visible light emitted from is evenly transmitted.

The visible light evenly transmitted to the entire storage space (R) is transmitted through the storage container 140 of the transparent or translucent material to the kimchi and food inside the storage container 140, by the visible light Kimchi And the food is controlled fermentation and storage.

On the other hand, the kimchi refrigerator according to the present invention will be possible in various embodiments in addition to the above-described embodiment, looking at this with reference to the drawings.

Figure 5 is a schematic view showing the internal structure of another embodiment of the kimchi refrigerator according to the present invention, as shown in the drawings, the overall configuration of the kimchi refrigerator is the same as the above-described embodiment, the same parts for the same Reference numerals are used and detailed description is omitted.

However, a door reflection layer 240 is formed on the inner surface of the door 200 that shields the storage space R of the main body 100 by coating or coating the same material as the reflective layer 122 of the above-described embodiment. do.

The door reflection layer 240 is the door (when visible light irradiated from the irradiation device 300 is reflected by the reflective layer 122 of the inner surface of the storage space (R) is directed back to the door 200, the door ( By reflecting the visible light toward the inner surface of the 200 again to the inside of the storage space (R), so that more visible light can be irradiated to the storage container 140 inside the storage space (R). do.

The door reflection layer 240 is formed in a shape corresponding to the shape of the upper surface of the storage space (R), it will be preferably formed in a portion other than the portion on which the irradiation device 300 is mounted.

On the other hand, the irradiation device 300 is additionally mounted on the inner side of the inner case 120 to form the storage space (R) in addition to the center of the inner surface of the door 200.

The irradiation apparatus 300 is mounted on an inner circumferential surface of the inner case 120 forming sidewalls of the storage space R, and is formed at an approximately middle height of the storage space R to form the storage space R. Is irradiated with visible light inward.

At this time, the irradiation apparatus 300 will be preferably configured in the same manner as that of the above-described embodiment, if necessary, it may be composed of only the LED and the case without the deodorant 700, the shape of the case Will be formed somewhat smaller than that of the above-described embodiment.

In addition, when the irradiation device 300 is formed with a separate protruding structure inside the storage space R, a problem may occur in storing the storage container 140, and thus, the irradiation device 300 is mounted. One side of the inner case 120 is formed to be recessed, and the irradiation device 300 is mounted on one side of the inner case 120 so that the cover plate 440 and the inner case 120 of the irradiation device 300 are coplanar. It would be desirable to be mounted to be located at.

Since the irradiation device 300 is mounted on the inner wall surface of the inner case 120, visible light irradiated into the storage space R may be more effectively irradiated into the storage space R. Visible light is reflected by the reflective layer 122 formed on the inner surface of the inner case 120 and the door reflection layer 240 on the inner surface of the door 200 to be evenly irradiated to the lower portion of the storage space R.

The scope of the present invention is not limited to the above embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

For example, in the embodiment of the present invention has been described with a lid-type kimchi refrigerator with the storage space (R) opened upward, for example, the present invention is not limited to the form of kimchi refrigerator, but in various kimchi refrigerators, such as a drawer type or a combination kimchi refrigerator Applicability will be appreciated.

In addition, in the embodiment of the present invention mainly described the example applied to the kimchi refrigerator for kimchi, but may include a variety of food, such as foods for fermentation or other foods containing lactic acid bacteria, to store kimchi in addition to kimchi refrigerator Naturally, it can be applied to various products such as general refrigerators and food storage containers with functions.

Kimchi refrigerator according to the present invention as described in detail above has the following effects.

First, the irradiation apparatus for irradiating visible light into the inside of the storage space is provided, by adjusting the fermentation degree of kimchi by the visible light irradiated in combination in the irradiation apparatus can be aged early and delicious as desired by the user for a long time By maintaining the taste can be expected to improve the fermentation and storage performance of kimchi refrigerator.

Second, since a reflective layer is formed on the inner surface of the inner case forming the storage space, visible light irradiated from the irradiation device is reflected by the reflective layer even when the kimchi container is stacked inside the storage space, thereby being lowered from the storage space. Evenly irradiated to this, it is possible to ferment evenly to the kimchi contained in the kimchi container of the lower as well as the upper storage space it can be expected to further improve the fermentation and storage performance of the kimchi refrigerator.

Third, since the irradiation device is formed around the inner side of the inner case forming the storage space, even when the door is opened in the absence of external lighting, the inside of the storage space is illuminated by the visible light irradiated from the irradiation device. In addition, the visible light may be reflected by the reflective layer to brighten the inside of the storage space, thereby improving the user's ease of use.

Claims (11)

A main body forming an outer shape; An inner case formed inwardly of the main body to form a storage space for storing a storage container containing food; A door selectively shielding the storage space from one side of the main body; An irradiation apparatus provided on an inner side of the door to irradiate visible light into the storage space; Kimchi refrigerator, characterized in that formed on the inner surface of the inner case, including a reflective layer for reflecting visible light irradiated from the irradiation device. delete delete The method of claim 1, The irradiation device, LED for emitting visible light (LED); Kimchi refrigerator characterized in that it is formed to accommodate the LED on the inside, including a case to assist the mounting of the LED. The method of claim 4, wherein The LED is provided with a plurality of, each LED is configured to irradiate different colors of visible light, the plurality of LEDs are characterized in that the combination is selectively configured to be lit together. The method of claim 5, wherein The irradiation device is kimchi refrigerator characterized in that it is further provided on the inner circumference of the inner case. 5. The kimchi refrigerator according to claim 4, wherein the storage container is formed to be translucent so as to transmit visible light of the LED. The method of claim 5, wherein The LED is kimchi refrigerator, characterized in that configured to further irradiate at least one of infrared and ultraviolet. The method of claim 5, wherein The LED is kimchi refrigerator, characterized in that for irradiating visible light combination of white, yellow, green, indigo blue. The method according to any one of claims 1 or 4 to 9, Kimchi refrigerator, characterized in that the reflective layer is formed by applying the inner side of the inner case. A main body forming an outer shape; An inner case formed inwardly of the main body to form a storage space for storing a storage container containing food; A door selectively shielding the storage space from one side of the main body; Is provided on the inner side of the door, and comprises an irradiation apparatus for irradiating visible light into the storage space, At least one side of the inner case is kimchi refrigerator, characterized in that formed of a metal material reflecting visible light irradiated from the irradiation device.

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