KR20210117869A - Storage compartment and food storage device comprising the same - Google Patents

Abstract

The present invention relates to a storage compartment. According to one embodiment of the present invention, the storage compartment comprises: a case having at least an opening formed on the front side and forming an exterior; a front door rotatably mounted on the case to selectively open the opening; an inner frame coupled to the case, forming a storage space inside the case, and forming a cold air passage space with the case, wherein at least a rear frame on the rear side facing the front door includes a cold air passage unit having a cold air introduction hole formed therein; and a lighting unit installed in the cold air passage space and including a plurality of lighting lamps providing lighting to the storage space through the cold air introduction hole. Accordingly, the lighting unit for illuminating the storage space is installed in an independent cold air passage space separated from the storage space, thereby securing a sufficient effective use volume of the storage space.

Description

Storage compartment and food storage device comprising the same

The present invention relates to a food storage device, and more particularly, to a storage room provided with an LED, and a food storage device having the storage room.

With the improvement of living standards, there is a demand for maintaining freshness for a long time, preventing loss of nutrients, and sterilizing various foodstuffs and fruits. Therefore, ingredients and fruits are usually stored in a refrigerator or vacuum-packed.

Recently, LEDs have been widely applied to food storage devices such as refrigerators. The use of UV LEDs in refrigerators has the following advantages.

① There is no heat radiation, it belongs to a cold light source compared to ultraviolet mercury lamp, and it is used in a low temperature environment of the refrigerator and does not affect the temperature.

② No environmental pollution, no leakage of heavy metals, and no ozone generation.

③ Long service life.

④ Low energy consumption.

In addition to UV LEDs with sterilization effect, Patent Document 1 (Korean Patent No. 10-0820833B1) discloses that when green LEDs and white LEDs are used in combination for vegetables, freshness and nutrients can be efficiently maintained, and for meat. It was disclosed that when a red LED and a blue LED are used in combination, freshness and nutrients can be efficiently maintained, and it is suitable to use a red LED having a wavelength of about 660 nm for green leafy vegetables.

Patent Document 2 (Korean Patent Application Laid-Open No. 10-2019-0025167A) discloses a technology for applying an LED, which maintains freshness for a long time, to a storage room. 1, the lighting unit 1000 is installed on one side of the inside of the storage chamber 200, and the lighting unit 1000 is a substrate on which an ultraviolet LED light 121 and a near-infrared LED light 122 are installed ( 123), a transparent cover 114 that covers the substrate 123, and a fixing plate 112 for fixing the transparent cover 114. This storage room has the following two drawbacks.

First, since the lighting unit is installed in the storage space of the storage room and occupies a certain volume of the storage space, it affects the efficient use volume of the storage space.

Second, since the LED lamp is covered using a transparent cover, when the user opens the storage compartment and takes out the food, the LED lamp passes through the transparent cover and is directly irradiated to the human eye, which may cause damage to the human eye.

Patent Document 1 Republic of Korea Registered Patent 10-0820833B1 Patent Document 2 Republic of Korea Patent Publication 10-2019-0025167A

SUMMARY OF THE INVENTION The present invention is to solve the above problems existing in the prior art, and an object of the present invention is to provide a storage room capable of increasing an efficient use volume of a storage space and a food storage device including the storage room.

Another object of the present invention is to provide a storage room in which a cold air passage space is an installation space of a lighting unit, and a food storage device including the storage room.

Another object of the present invention is to provide a storage compartment that illuminates the storage space in a more balanced manner, and a food storage device including the storage compartment.

Another object of the present invention is to provide a storage compartment for controlling the luminous color of an LED according to the type of food material, and a food storage device including the storage compartment.

Another object of the present invention is to provide a storage compartment that opens the storage compartment in different ways according to different needs of users, and a food storage device including the storage compartment.

According to a feature of the present invention, the present invention forms the exterior of the storage room with a case, and a lighting lamp for providing lighting to the storage space is installed in the cold air passage space that supplies cold air to the storage space inside the case. By such a configuration, the storage space inside the storage chamber can be relatively widened and can be used efficiently. Here, the inside of the case has an inner frame to form a cold air passage space, the rear frame on the rear side of the inner frame includes a cold air passage unit having a cold introduction hole, at least the front of the storage compartment is opened and opened and closed by the front door do.

In the present invention, the rear frame is provided with a mounting opening, and the cold air passage unit is detachably mounted on the mounting opening, so that cold air is smoothly supplied to the storage space through the cold air passage space.

In the present invention, the cold air passing unit includes a through portion composed of a plurality of the cold air introduction holes and a light shielding portion between the cold air introduction holes, and provides an appropriate passage of light for supply of cold air and illumination.

In the present invention, in the cold air passing unit, the light shielding unit is surrounded by a plurality of regularly arranged cold air introduction holes, and by such a structure, the supply of cold air and transmission of light are efficient.

In the present invention, when a plurality of the lighting lamps are orthogonally projected onto the light blocking part, each of the lighting lamps is surrounded by a plurality of the cold air introduction holes around it, so that the light emitted from the lighting lamp is not transmitted directly to the front to protect the user's eyes. do.

In the present invention, the plurality of cold air introduction holes are arranged in an array pattern, so that cold air is more uniformly provided in the storage space.

In the present invention, each of the lighting lamps is surrounded by the cold air introduction holes located on the top, bottom, left, and right sides, so that the light from the lighting lamp is not transmitted directly to the front, but the cool air is uniformly transmitted to the storage space.

In the present invention, when drawing a circle of a preset radius around one of the lighting lamps, the centers of the cold air introduction holes surrounding one of the lighting lamps are all located on the circle, so that cold air supply and light transmission are uniform as a whole. .

In the present invention, it further comprises a shelf including a protrusion having a plurality of engaging portions arranged to be spaced apart from the edge of one side, and the shelf is supported by the cold air passing unit as the plurality of protrusions are caught while passing through the cold air introduction hole, respectively. This allows the shelf to be securely installed in the cold air passage unit.

In the present invention, a support bracket is installed on the one side of at least one of the upper surface and the lower surface of the shelf according to the arrangement direction of the protrusions, and the front end can be firmly fixed to the cold air passing unit by the brackets and the protrusions.

In the present invention, the shelf and the protrusion are integrally molded with a light guide material. Therefore, the light from the lighting can be transmitted to the front of the storage space through the shelf.

In the present invention, the projection and the lighting lamp are in contact with each other so that the light emitted from the lighting lamp is well transmitted to the shelf.

In the present invention, a light guide pattern formed of light guide dots is formed on one surface of the shelf, and a reflector is formed on the other surface corresponding to the one surface, so that light is transmitted to the entire interior of the storage space through the shelf.

In the present invention, the density of the light guide dots in the light guide pattern gradually increases from one side to the other side opposite to the one side, so that light can be transmitted to a location far away from the lighting lamp.

In the present invention, the lighting unit includes a PCB plate and a plurality of LED lights arranged in a predetermined pattern on the PCB plate, so that heat generation inside the storage space is minimized to increase the food storage efficiency.

In the present invention, the plurality of LED lights may provide light of a color useful for storage of food depending on the type of food, including LED lights capable of emitting light in various colors.

In the present invention, a memory for pre-stored luminous colors corresponding to the types of food ingredients and various food ingredients; an input unit for receiving food material type information input by a user; and a control unit for controlling the emission color of the LED according to the information input by the user to provide light of a specific color to match the food to be stored, thereby increasing the storage efficiency of the food.

In the present invention, the upper surface of the case is opened, and the upper surface is covered by the door storage chamber and the upper door that can be drawn out from the storage chamber, so that the user can access the storage space more diversely.

In the present invention, the rear end of the door storage chamber is connected to the case through a hinge so that the upper door rotates upward, so that the storage space inside the storage chamber can be better accessed from the top.

According to another feature of the present invention, the present invention provides a food storage device including the storage compartment described in the above embodiment.

The storage compartment and the food storage device having the storage compartment according to the present invention have at least one or more of the following effects.

(1) Since the lighting unit installed with a plurality of lighting lamps is installed in the cold air passage space independent of the storage space, the effective use volume of the storage space can be increased. Since there is no need to separately install a space, the structure can be simplified.

(2) Since the cold air passage unit can be detachably installed on the rear frame of the inner frame, it can be advantageous for replacement and maintenance of the lighting unit.

(3) Since the cold air passage unit is provided with a light shield, it is possible to prevent the user from directly looking at the lighting when the user opens the door of the storage room.

(4) Since a plurality of lighting lamps and a plurality of cold air introduction holes are arranged in a predetermined pattern, it is possible to uniformly illuminate the storage space.

(5) The cold air inlet hole of the cold air passage unit can be used not only for lighting and cold air supply, but also as a shelf or hanger for containers.

(6) The shelf made of light guide material can put food on it, and it can transmit the lighting light from the lighting to each corner of the storage space uniformly.

(7) Because the LED lamp is used as a lighting lamp, the freshness of ingredients can be maintained for a long time, and nutritional loss of ingredients can be prevented and even sterilized.

(8) The practicality of the storage room can be improved because the luminous color of the LED can be adjusted according to the type of food material.

(9) Since a door that opens in both directions from the front and from the top is installed, different needs of users can be satisfied. For example, only the front door may be opened when only taking out food, and the upper door may be opened when storing or maintaining a container, or the front door and the upper door may be opened at the same time.

1 is a perspective view showing the configuration of a storage room disclosed in the prior art.
Figure 2 is a perspective view showing the appearance of a food storage device including a storage room of the embodiment of the present invention.
Figure 3 is a perspective view showing an open state of the storage chamber of the embodiment of the present invention.
Figure 4 is a front view showing the internal state of the storage chamber in the front opening opened in the embodiment of the present invention.
Figure 5 is a perspective view showing only the case, the inner frame and the sealing member in the embodiment of the present invention.
Fig. 6 is a perspective view taken along section AA of Fig. 5;
Fig. 7 is a perspective view taken along line BB of Fig. 5;
Figure 8 is a perspective view without showing the case and the inner frame in the storage room of the embodiment of the present invention.
9 is a layout view of an LED in the printed circuit board of the embodiment of the present invention.
10 is a layout view of the cold air introduction hole in the cold air passage unit of the embodiment of the present invention.
11 is an explanatory diagram showing the arrangement relationship of the cold air introduction hole and the LED when the printed circuit board is viewed through the cold air passing unit of the embodiment of the present invention.
Fig. 12 is an enlarged view of part C of Fig. 11;
Fig. 13 shows the configuration of a shelf according to an embodiment of the present invention, (a) is a side view, (b) is an exploded perspective view;
Fig. 14 is an explanatory diagram in which a light guide pattern of a light guide shelf extracts light in the embodiment of the present invention;
15 is a side cross-sectional view of the storage compartment in a state in which one shelf is installed in the embodiment of the present invention;
Fig. 16 is a block diagram for explaining the operation of the embodiment of the present invention;

Hereinafter, a technical solution according to an embodiment of the present invention will be accurately and completely described with reference to the drawings of the embodiment of the present invention.

In an embodiment of the present invention, the direction or positional relationship indicated by the terms "up", "lower", "left", "right", "before", "after", etc. is each in a specific posture (shown state) This is to analyze the relative positional relationship between the members of the Unless otherwise noted, it should not be construed as a limitation on the present invention.

In an embodiment of the present invention, "first", "second", etc. are for distinguishing members, not for indicating relative importance, quantity or ranking of technical features. Accordingly, a feature defined as “first” or “second” specifies or implies that the feature includes at least one of the features.

In the embodiment of the present invention, unless otherwise clearly defined or limited, “connection” and “fixation” should be understood in a broad sense. For example, “fixed” may be a non-removable connection or a removable connection, or it may be a mechanical connection, an electrical connection, a connection by an intermediate medium, a communication between two elements, or It can also be an interactive relationship between two elements. Those of ordinary skill in the art to which the present invention pertains can understand the specific meaning of the above-mentioned terms in the present invention according to specific circumstances.

In an embodiment of the present invention, “integral” refers to being primarily manufactured (abbreviated as “integral molding”) through a single manufacturing process in the manufacturing step, and also refers to later joining through means such as welding and bonding.

In addition, although the technical solutions of each embodiment of the present invention or between the technical solutions of the embodiments and the modified embodiments of the present invention may be combined with each other, it is premised that those of ordinary skill in the art to which the present invention pertains can implement. When a combination of technical solutions contradicts each other or cannot be realized, it should be acknowledged that such a combination of technical solutions does not exist and does not fall within the protection scope required by the present invention.

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

2 is a perspective view showing the exterior of the food storage device 100 of the storage room 20 applied to the present invention.

The food storage device 100 of FIG. 2 generally has a three-layer, three-row structure, a plurality of storage rooms are installed, and the temperature, humidity, vacuum degree, etc. of each storage room can be set according to the user's demand, and the user can each You can store different ingredients in the storage room of the Although FIG. 2 shows a three-layer structure in three columns, the present invention is not limited to a three-layer, three-row structure, and may be a one-column and three-layer structure. The present invention is not limited thereto.

The food storage device 100 supplies electricity to a machine room in which a compressor, a cooler, an evaporator, a capillary tube, etc. required for cooling circulation and the food storage device 100 are installed, and various electronic electricity necessary for control of the food storage device 100 . It includes an electric compartment in which the member is installed. The compressor is configured to compress the gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, the condenser is configured to condense the gaseous refrigerant compressed by the compressor into a liquid refrigerant, and the capillary is configured to convert the liquefied refrigerant into a low-temperature and low-pressure state, the evaporator is configured to absorb latent heat of evaporation by vaporizing the refrigerant liquefied into a refrigerant of low temperature and low pressure in the capillary tube to cool the surrounding air.

What is to be described here is that the present invention does not include only the machine room and the electrical room, and the above elements are not only installed in the machine room, and the above elements are not necessarily installed in the machine room, and the present invention is not limited thereto. does not Likewise, it is not limited to the electric room. Those of ordinary skill in the art to which the present invention pertains will understand that, in addition to the above elements, other elements such as refrigerants, pipelines, blowers, various sensors, vacuum pumps, etc. necessary for the cooling circulation are required, so it will not be described in length here.

In the food storage device, the installation position of the storage compartment 20 of the present invention is not limited to the uppermost position of the middle row shown in FIG. 2, and may be located on the middle or lowermost floor of any row.

If the installation location of the storage compartment 20 of the present invention is the uppermost floor, as shown in FIG. 3 , the storage compartment 20 can have the front door D1 and the upper door D2 installed at the same time, but in a structure to be installed at the same time. Without limitation, only the front door D1 or the upper door D2 may be installed according to demand. The advantage of installing the upper door (D2) is that the first and second containers (C1, C2) in which food materials can be placed can be conveniently arranged from the upper opening, and a shelf to be described later can be easily installed, and maintenance and can be cleaned easily. If the installation location of the storage compartment 20 of the present invention is the middle floor or the lowest floor, only the front door D1 can be installed.

3, the front door D1 includes a door frame 231 and a see-through material 232 (for example, glass) that can see through the storage space S1 installed in the door frame 231 and , the door frame 231 may be rotatably coupled to the case 21 of the storage compartment 20 through the hinge portion (X). To explain, the installation position of the hinge portion (X) is not limited to the front lower end of the storage chamber 20, it may be installed on any one of the front upper end, the front left, and the front right according to the demand.

The opening method of the upper door D2 may be configured in a pull-out method different from the rotation method of the front door D1. The upper door D2 may include a door body 241 and a door accommodating chamber 242 accommodating the door body 241 . The door body 241 may include a see-through material (eg, glass) that is installed on the door frame and the door frame and can see through the storage space S1. A track may be provided between the door body 241 and the door accommodation chamber 242 in order to conveniently insert and withdraw the door body 241 .

In order to prevent the loss of cool air in the storage space (S1), as shown in FIGS. 3 and 5, a sealing member 23 is installed on the upper surface of the inner frame 22, the front door D1 and the upper In the closed state of the door (D2), all of the inner frame (22) may be in airtight contact. To be described, the sealing member 23 may be installed on the inner surface in contact with the inner frame 22 of the front door D1 and the upper door D2.

In consideration of maintenance and cleaning of the inside of the storage chamber 20 , the door accommodation chamber 242 may be installed to rotate upward through a hinge part. In this way, the upper door D2 may partially open the storage space S1 or completely open the storage space S1, thereby satisfying different needs of users.

4 shows the state of use of the storage chamber 20 . As shown in Figure 4, the user can accommodate different types of food ingredients in the first and second containers (C1, C2) of different sizes, respectively, the first and second containers (C1, C2) The protrusions formed on the outer circumferential surface may be hung on the left hanging plate 251 and the right hanging plate 252 (refer to FIG. 8) to be described later. Such a container may be formed of a see-through material. In addition, in order to divide and use the single storage space S1 , the single storage space S1 may be divided into two areas by using the vertically installed first light guide shelf 28 . The first light guiding shelf 28 may uniformly guide the light of a lighting lamp (eg, an LED lamp) located at the rear of the cold air passing unit 25 to the storage space S1 . In addition, as shown in FIG. 4, a horizontally installed second light guiding shelf 29 having a light guiding function may be further installed.

Hereinafter, the internal structure of the storage chamber 20 of the present invention will be described with reference to FIGS. 5 to 14 .

5 to 7, only the case 21, the inner frame 22, and the sealing member 23 are shown in order to conveniently explain the configuration of the present invention.

5 and 6 show a configuration in which the sealing member 23 is installed on the surface of the inner frame 22 . However, as described above, the sealing member 23 may be installed on the inner surface in contact with the inner frame 22 of the front door D1 and the upper door D2.

The inner frame 22 may be configured in a “C” shape. The open side may be the front side, and the other side opposite to the open side may be the back side (which may be referred to as "inside"). The inner frame 22 may be formed with a “口”-shaped mounting opening at least in the rear frame on the rear side so that a cold air passing unit 25 to be described later is installed, and the left and right sides of the frame have a “口” shape according to demand. It is possible to form a mounting opening of the '口' or a mounting depression in the shape of a "口". The cold air passing unit 25 may be integrally molded with the inner frame 22, but preferably, if it is detachably installed on the inner frame 22 by fastening means such as screws, the lighting unit 26 to be described later is replaced or It is useful for maintenance, etc.

The case 21 may form an exterior while surrounding the inner frame 22 . The case 21 may be integrally molded with the inner frame 22 , and may be coupled by welding or adhesive in a subsequent process, or may be detachably coupled with a fastening means such as screws. When detachably coupled, the sealing member 23 may be installed between the case 21 and the inner frame 22 . In addition, a portion corresponding to the lighting unit 26 on the rear surface of the case 21 may be provided with a mounting opening, and a maintenance cover may be detachably installed in the mounting opening to replace or maintain the lighting unit 26 . can be repaired

6 and 7, between the inner frame 22 (specifically, the rear frame) and the case 21, a cold air passage space S2 through which the cold air formed in the cooling circulation passes may be formed, The cold air passage space S2 may communicate with the storage space S1 of the storage chamber 20 through the front mounting opening 221, and may communicate with the cold air passage of the food storage device through the lower opening. . The cold air passage space S2 and the storage space S1 may communicate through a cold air introduction hole H of a cold air passage unit 25 to be described later.

According to demand, the lighting unit 26 may be installed on both sides of the storage room 20 . At this time, as described above, mounting openings in the shape of “口” may be formed in the left and right sides of the inner frame 22 , and an installation space of the lighting unit 26 may be formed between the case 21 and the case 21 . have.

When the cold air passage space S2 is installed only on the back side of the storage chamber 20, as described above, mounting depressions in the form of “口” may be formed in the left and right sides of the inner frame 22 as described above, and the mounting depressions Left and right hanging plates 251 and 252 having cold air introduction holes H for hanging the first and second containers C1 and C2 may be installed in the portion. The arrangement pattern of the cold air introduction hole (H) of the left and right hanging plates (251, 252) may be the same as the arrangement pattern of the cold air introduction hole (H) of the cold air passage unit 25, if the same, the mold can be shared and the same Manufacturing cost can be saved because it can be manufactured in the process.

The thickness of the back side case can be selected according to the demand. As described above, when the door receiving chamber 242 of the upper door D2 is configured to rotate upward, it must have a sufficient thickness to allow the hinge portion to be installed at this time.

8 is a perspective view of the storage compartment 20, not showing the case 21, the inner frame 22, the front door D1, and the upper door D2. That is, the arrangement positional relationship of the left and right hanging plates 251 and 252, the sealing member 23, the 2nd light guide shelf 29, the cold air passage unit 25, and the illumination unit 26 is shown. As described above, the left and right hanging plates 251 and 252 may be installed according to demand. The first light guiding shelf 28 and the second light guiding shelf 29 may also be installed according to the quantity of food ingredients in the storage space S1 and the user's demand. The lighting unit 26 may be installed to be spaced apart from the cold air passing unit 25 by a preset distance. The size of the preset distance may be determined according to the size and quantity of the LED lights 262 and the size of the storage space S1.

9 is a diagram showing the configuration of the lighting unit 26. As shown in FIG. As shown in FIG. 9, the lighting unit 26 may include a plurality of LED lights 262 usable as lighting lights regularly arranged at intervals on the printed circuit board 261 and the printed circuit board 261. have. Although FIG. 9 shows an array pattern arranged in 4 rows and 16 columns, it is not limited to 4 rows and 16 columns, and it is not limited to an array form, and a plurality of concentric circular patterns may be used. To be described, the area of the printed circuit board 261 may also be determined according to the size and quantity of the LED lights 262 and the size of the storage space S1. The plurality of LEDs may include LEDs capable of emitting light in various colors (eg, red, purple, green, blue, white, etc.) The arrangement method of the plurality of LEDs may be determined according to a user's demand.

When the lighting unit 26 is connected to an external power source, it is lit through the control of the control unit of the food storage device 100 and can control the emission color. The emission color may be preset according to the type of food and stored in the memory 103 . When the user inputs the type of food material to be stored through the input unit 101 installed in the food storage device 100, the control unit 102 automatically adjusts the emission color of the lighting unit 26 according to the type of food material input by the user. can The input unit 101 may be a touch panel, but the present invention is not specifically limited thereto.

The memory 103 may further store a rising time and a falling time of the sun in each season. The user can set the lighting unit 26 to automatically turn on and off according to the time. Specifically, it may be set to turn off the lighting unit 26 during the day and turn on the lighting unit 26 at night.

To explain, since the lighting unit 26 is installed in the cold air passage space S2, it is preferable to waterproof the lighting unit 26 in advance.

10 shows the configuration of the cold air passing unit 25. As shown in FIG. The cold air passing unit 25 may include a through portion 251 ′ including a plurality of cold air introduction holes H and a light blocking portion 252 ′ including a light blocking portion between the cold air introduction holes H. The arrangement pattern of the cold air introduction hole H may be determined according to the arrangement pattern of the LED light 262 shown in FIG. 9 . 11 and 12 are a preferred embodiment showing the positional relationship between the cold air introduction hole (H) and the LED light (262). 11 shows the position of the LED light 261 displayed on the cold air passage unit 25, where the LED light 261 will orbit projected onto the cold air passage unit 25 by four points, as shown in FIG. The four cold air introduction holes (H) are located at the upper, lower, left and right positions of the LED light 262, respectively, and when a virtual circle is drawn around the LED light 262, the center of each cold air introduction hole (H) is all The figure in which the connecting line connecting the center of each cold air introduction hole (H) is formed on the circumference of the virtual circle is a square, and the light emitted by the LED light 262 by this arrangement relationship is transmitted through the surrounding cold air introduction hole ( Through H), it is possible to uniformly illuminate the storage space S1 of the storage chamber 20 .

To explain, the number of cold air introduction holes (H) disposed around the LED light 262 is not limited to four, but may be three or five, but the present invention specifically do not limit As for the shape of the cold air introduction hole (H), the present invention does not specifically limit, and any shape that uniformly leaks light in combination with lighting may be possible. The cold air passing unit 25 may be preferably formed of a non-transmissive material having a preset strength to hang a container and a light guide shelf. In the case of a light-transmitting material, it may be usable by performing a non-transmissive treatment.

As described above, the present invention proposes a technical solution in which the lighting unit 26 is installed inside the storage space S1 of the storage room 20 . At this time, if the distance between the front door D1 and the lighting unit 26 is too large, the food stored in the front door D1 side area does not receive enough light from the LED light 261, so the storage compartment 20 of the present invention. may further include a second light guiding shelf 29 shown in FIG. 13A. The second light guiding shelf 29 includes a plate-shaped shelf body 293, a plurality of light guiding protrusions 292 and a support bracket 291U arranged and protruding at a preset interval on one edge of the plate-shaped shelf body 293; 291D). The preset distance may be the same as the horizontal distance between the LED lights 262 arranged in FIG. 9 so that the light guide protrusion 292 just comes into contact with the LED lights 262 . Preferably, the lower surface of the light guide protrusion 292 is in contact with the upper surface of the LED light 262 (see Fig. 15). The light guide protrusion 292 engages the light guide body 2921 and the downwardly curved engaging portion 294. An L-shaped support bracket 291 may be installed on at least one of the upper surface and the lower surface of the one edge of the plate-shaped shelf body 293. Preferably, the L-shaped upper surface and the lower surface are respectively L-shaped. A bracket 291U and an L-shaped lower bracket 291D may be installed. In this way, the light guide protrusion 292 passes through the cold air introduction hole H, and is then formed by the engaging portion 294 and the support bracket 291. It may be firmly supported by the cold air passing unit 25 .

In order to further improve the light guiding effect of the second light guiding shelf 29 . A light guide pattern may be provided on one surface of the front and rear surfaces of the second light guide shelf 29 , and a reflective layer may be provided on the other surface of the second light guide shelf 29 . 14 is an explanatory diagram of a configuration for extracting light from the light guide pattern of the second light guide shelf 29. As shown in FIG.

The light guide pattern may be formed of a plurality of regularly arranged light guide dots. Since the amount of light close to the lighting unit 26 side in the second light guide shelf 29 is greater than the amount of light on the opposite side of the lighting unit 26, the arrangement density of the light guide dots in the light guide pattern is determined from the lighting unit 26 side to the lighting unit 26 side. ) is preferably formed so as to gradually increase to the opposite side.

To explain, the vertically installable first light guiding shelf 28 shown in FIG. 4 may also be formed with a protrusion that engages with the cold air introduction hole H, and the protrusion has the configuration of the second light guiding shelf 28 that can be installed horizontally. Refer to the protrusion configuration of the shelf 29 .

In a situation in which the storage compartment 20 of the present invention has the configuration shown in Figs. 5 to 15, when the user opens the front door D1 of the storage compartment 20, as shown in Fig. 4, the LED light ( 262) is covered by the light shielding portion 252' surrounded by the cold air introduction holes H on the top, bottom, left and right sides of the cold air passing unit 25, so the user cannot see the LED light 262 directly, so you can protect your eyes. The illumination light of the LED lamp 262 may uniformly illuminate the storage space S1 through the cold air introduction hole H.

If the storage space (S1) contains a lot of food material and is occupied up to the front door (D1) side area, the second light guide shelf 29 and/or the first light guide shelf 28 are installed in the storage space S1, The illumination light of the lamp 262 may illuminate the area. When a reflective layer is provided on the upper surface of the second light guide shelf 29 and a light guide pattern is formed on the lower surface, food materials can be placed on the upper surface of the second light guide shelf 29 . In this case, the second light guiding shelf 29 may have both functions of guiding light and storing food. And, as shown in Figure 4, the cold air introduction hole (H) of the cold air passage unit 25 can hang the first and second containers (C1, C2), so the cold air introduction hole (H) is also light-transmitting and hanging can have both functions.

In the above, the present invention has been described through examples or modified examples. It should be understood that the above-described embodiments or modified examples are only a part and not all of the present invention, and the described or modified examples are only used to describe the present invention and are not intended to limit the present invention. Those of ordinary skill in the art to which the present invention pertains, all other examples or modified examples derived under the premise that no creative act is performed by the above or modified examples fall within the protection scope of the present invention.

C1: first container C2: second container
D1: Front door D2: Top door
H: cold air introduction hole S1: storage space
S2: Cold air passage space X: Hinge part
20: storage compartment 21: case
22: inner frame 23: sealing member
25: cold air passage unit 26: lighting unit
28: 1st light guide shelf (vertical shelf) 29: 2nd light guide shelf (horizontal shelf)
100: food storage device 101: input unit
102: control unit 103: memory
221: mounting opening 231: door frame
232: glass 241: door body
242: door storage chamber 251: left hanging plate
251': venting part 252': light blocking part
252: right hanging plate 261: printed circuit board
262: LED light 291: support bracket
291U: Upper bracket 291D: Lower bracket
292: light guide projection 2921: light guide body
293: shelf body 294: locking part

Claims (20)

a case having at least an open front and forming an exterior;
a front door rotatably mounted on the case to selectively open the opening;
The rear frame coupled to the case and forming a storage space in the interior of the case and at least on the rear side opposite to the front door includes a cold air passage unit having a cold air introduction hole formed therein, and forming a cold air passage space together with the case. frame;
and a lighting unit installed in the cold air passage space and including a plurality of lighting lamps for providing lighting to the storage space through the cold air introduction hole.
The storage compartment according to claim 1, wherein the rear frame is provided with a mounting opening, and the cold air passing unit is detachably mounted to the mounting opening.
3. The method of claim 1 or 2,
and the cold air passing unit includes a through portion formed of a plurality of the cold air introduction holes and a light blocking portion between the cold air introduction holes.
The storage compartment according to claim 3, wherein the light blocking portion in the cold air passing unit is surrounded by a plurality of regularly arranged cold air introduction holes.
[Claim 5] The storage compartment according to claim 4, wherein when the plurality of lighting lamps are orthogonally projected onto the light-shielding portion, each of the lighting lamps is surrounded by a plurality of the cold air introduction holes.
The storage compartment according to claim 4, wherein the plurality of cold air introduction holes are arranged in an array pattern.
[6] The storage compartment according to claim 5, wherein each of the lighting lamps is surrounded by the cold air introduction holes located on the top, bottom, left, and right sides.
8. The storage compartment according to claim 7, wherein, when a circle of a preset radius is drawn around one of the lights, the centers of the cold air introduction holes surrounding one of the lights are all located on the circle.
According to claim 1, further comprising a shelf comprising a protrusion having a plurality of engaging portions arranged spaced apart from the edge of one side,
The shelf is a storage compartment, characterized in that the plurality of protrusions are caught while passing through the cold air introduction hole, respectively, and are supported by the cold air passing unit.
The storage compartment according to claim 9, wherein the shelf is provided with a support bracket on the one side of at least one of an upper surface and a lower surface according to the arrangement direction of the protrusions.
The storage compartment according to claim 9, wherein the shelf and the protrusion are integrally molded with a light guide material.
The storage compartment according to claim 11, wherein the protrusion and the lighting lamp are in contact with each other.
The storage compartment according to claim 11, wherein a light guide pattern formed of light guide dots is formed on one surface of the shelf, and a reflector is formed on the other surface corresponding to the one surface.
14. The storage compartment of claim 13, wherein the density of the light guide dots in the light guide pattern gradually increases from one side to the other side opposite to the one side.
The storage compartment according to claim 1, wherein the lighting unit includes a printed circuit board and a plurality of LED lights arranged in a predetermined pattern on the printed circuit board.
The storage compartment according to claim 15, wherein the plurality of LED lights can emit light in various colors.
17. The method of claim 16, further comprising: a memory for pre-stored luminescence colors corresponding to types of food materials and various food materials;
an input unit for receiving food material type information input by a user; and
and a control unit for controlling the emission color of the LED according to the information input by the user.
The storage compartment according to claim 1, wherein an upper surface of the case is opened, and the upper surface is covered by a door storage chamber and an upper door that can be drawn in and out of the storage chamber.
The storage compartment according to claim 18, wherein the rear end of the door accommodation chamber is connected to the case through a hinge so that the upper door rotates upward.
A food storage device including the storage compartment according to any one of claims 1, 2, and 4 to 19.

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