WO2015152488A1

WO2015152488A1 - Cold storage device for refrigerator

Info

Publication number: WO2015152488A1
Application number: PCT/KR2014/010660
Authority: WO
Inventors: 연석현
Original assignee: 주식회사 성진스크린
Priority date: 2014-04-02
Filing date: 2014-11-07
Publication date: 2015-10-08

Abstract

The present invention relates to a cold storage device for a refrigerator, comprising: a main body detachably provided in an inner accommodation space of the refrigerator; and a cold storage part provided inside the main body and having a cold storage material therein. According to one embodiment of the present invention, the cold storage device, in which the main body stores the cold storage material therein, is integrally formed so as to prevent foodstuffs, food materials and the like, accommodated in the inner accommodation space, from spoiling or rotting when the power is cut off or the refrigerator is defrosted.

Description

Refrigeration device for refrigerator

The present invention relates to a cold storage device for a refrigerator, and more particularly, to a cold storage device for a refrigerator to be able to provide cold storage or cold air stored therein.

In general, a refrigerator is a home appliance that stores food, ingredients, or food in a refrigerator or freezes the inside of the refrigerator through refrigeration or freezing.

These refrigerators use the principle of heat exchange using the temperature difference generated by the phase change of refrigerant during compression, condensation, and expansion of refrigerant, such as Freon gas (CFC: ChloroFluoroCarbon) or intermediate substitute HCFC (HydroChloroFluoroCarbon). It is to keep food fresh.

A refrigerator that performs this role is a storage compartment having a front surface open in a main body constituting the outer body, and a freezer compartment and a refrigerating compartment are partitioned, and a door that opens and closes the freezer compartment and the refrigerating compartment is hinged to a front portion of the main body.

In addition, the freezer compartment and the refrigerating compartment are provided with at least one shelf that is coupled to the side wall of the internal space of the refrigerator to accommodate food.

In addition, recent refrigerators have specialty rooms that maintain a separate temperature zone to provide the optimum temperature according to the type of food, or melt them at -1 ℃ of frozen or cooled food in the freezer to make them cookable or edible. Is formed.

In other words, the specialty room of the refrigerator is installed in the upper side of the refrigerating chamber in the form of a drawer and serves to store fish and foods requiring particularly freshness.

However, the refrigerator special selection chamber of Patent Document 1, which is the background of the invention, discloses only a configuration for preventing the leakage of cold air and removing noise generated by inserting and removing the special shelf, and frequently opening or closing the door of the refrigerator or power failure of the refrigerator. In the situation as usual, there is no means to suppress the discharge of cold air in the refrigerator, to reduce the power consumption due to the restart of the compressor, or to prevent the freshness of the food stored in the abnormal operation of the refrigerator compartment.

That is, the refrigerator special selection chamber of Patent Literature 1 causes decay or deterioration of food during power outage, and has no function of maintaining temperature compensation inside or outside the special selection chamber during rapid thawing or defrosting due to malfunction of the refrigerator.

To further explain this, the refrigerator special selection chamber of Patent Document 1 should be maintained at an internal temperature typically -1 ° C, but it is impossible to maintain the internal temperature in situations such as power failure or defrosting.

In addition, the refrigerator of Patent Literature 2 includes a plurality of cold storage packs accommodated in the first housing and the second housing, and a shelf having a heat transfer plate located above the cold storage pack. And a cold storage means suitable for preventing rapid thawing due to a malfunction.

In addition, the refrigerator of Patent Document 2 does not have a cold air distribution means for allowing the cold air of the cold storage pack to be evenly transmitted downward from the upper side of the refrigerator, and thus, the downward convection action efficiency of the cold air is relatively low.

In addition, the bottom surface of the first housing of the refrigerator of Patent Document 2 is formed in a flat plate shape, and thus the area of cold air dissipation is relatively small, whereby the effect of cold air dissipation is relatively low, and the structural rigidity of the heat storage device is relatively weak. There was a downside.

In addition, the cold storage device of Patent Document 2 is produced by assembling a plurality of components, hygiene problems occur due to foreign matter such as liquid spilled from food in assembly tolerances or gaps, uncomfortable cleaning, or foreign matter in the caught state Could be

The present invention has been made in order to solve the above problems, an object of the present invention is to form a cold storage unit for storing the cold storage material on the inside or bottom of the main body to maximize the cold air divergence efficiency.

In addition, an embossing portion and a radiating fin-type cold air distribution unit are formed at the bottom of the main body to maximize structural efficiency and cold air divergence efficiency.

In addition, the purpose of the air circulation cooling unit in the lower part of the main body to prevent the deterioration and excessive thawing of food and ingredients by maintaining a proper temperature by the cold storage of the refrigerator during power failure or defrosting.

Refrigeration storage device for a refrigerator according to an embodiment of the present invention is a main body that is detachably mounted to the receiving space inside the refrigerator; And a cold storage part mounted inside the main body and provided with a cold storage material.

The cold storage part is mounted in at least one of a bottom part, both side wall parts, and a back part of the main body, and guide parts are formed on both sides of the main body so as to be attached to and detached from the slide mounting groove on the inner side of the refrigerator.

In addition, the cold storage portion is mounted inside the bottom portion, at least one bottom projection is formed on the upper bottom plate constituting the upper portion of the bottom portion, the lower bottom plate constituting the bottom portion of the bottom portion irregularities or repeated rectangular wave shape An embossed portion may be formed.

In addition, the protrusion constituting the embossing portion may be formed with a cold air distribution unit in the form of a heat radiation fin.

In addition, the air circulation cooling unit in which the cold storage material is provided may be detachably attached to the lower center of the main body.

In addition, an air circulation unit is disposed on both sides of the lower part of the main body, and an auxiliary cooling unit is integrally formed between the air circulation unit and the air circulation unit, and an air circulation cooling unit having an accumulator material therein can be detachably mounted therein. have.

In addition, the main body may be moved through a moving trolley provided with wheels.

In addition, a light storage material may be contained in the heat storage material of the heat storage part, and the body may be transparently or semitransparently formed of Low Density PolyEthylene (LDPE) material so that light emitted from the light storage material may pass through the material of the body.

According to an exemplary embodiment of the present invention, by forming the cold storage unit in which the cold storage material is stored integrally with the main body, there is an effect of preventing the deterioration or deterioration of the food or ingredients contained in the inner accommodating space during power failure or defrost of the refrigerator.

In addition, the embossing portion or the heat dissipation fin-type cold air distribution portion formed at the bottom of the main body not only maximizes the efficiency of cold air dissipation with structural stability, but also prevents temperature maintenance and food deterioration during the power failure or downtime of the refrigerator. There is an effect that can maintain the freshness according to the defrost time delay for a long time.

In addition, through the air circulation cooling unit detachably attached to the lower part of the main body, it is possible to more effectively suppress the temperature rise inside the refrigerating chamber and to increase the freshness maintaining state.

In addition, by storing the light-emitting material in the cold storage material that constitutes the cold storage unit, the light emitted from the photoluminescent material at the time of power failure of the refrigerator not only brightens the dark interior of the refrigerator, but also makes it possible to clearly identify the goods stored in the specialty chamber. It has an effect.

1 is a perspective view showing a cold storage device for a refrigerator according to the present invention.

Figure 2 is a plan view showing a cold storage device for a refrigerator according to the present invention.

3 is a cross-sectional view taken along the line A-A in accordance with the present invention.

4 to 8 is a view showing another embodiment of a refrigeration device for a refrigerator according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Like parts are designated by like reference numerals throughout the specification.

Hereinafter, with reference to the accompanying drawings, the configuration of the present invention, Figure 1 is a perspective view showing a storage device for a refrigerator according to the present invention, Figure 2 is a plan view showing a storage device for a refrigerator according to the present invention, Figure 3 is 4 is a cross-sectional view taken along the line A-A according to the present invention, Figures 4 to 8 are views showing another embodiment of a storage device for a refrigerator according to the present invention.

The refrigerator cooling storage device 10 of the present invention is mounted inside the main body 20 and the main body 20 detachably mounted to the inner receiving space 3 of the refrigerator 1, and the cold storage material 40 is It consists of a storage part 30 etc. which are provided.

The body 20 is formed using a low density polyethylene (LDPE) material having excellent impact resistance, low temperature embrittlement resistance, flexibility, processability, transparency, chemical resistance, water resistance, and electrical insulation.

Here, the main body 20 is formed in the shape of a container that can be installed in a drawer type on the upper side of the refrigerating compartment, and will be described by way of example disposed on the upper side of the refrigerating compartment for storing fish or foods requiring particularly freshness.

The main body 20 has a bottom portion 21 and both side wall portions 22 having a size that can be disposed in the inner accommodating space 3 of any one of the two-door refrigerator, the short refrigerator and the kimchi refrigerator. The back wall part 23 and the guide part 24 are formed integrally.

At this time, the front side of the main body 20 is formed to be open so that not only the entrance jaw 25 in the form of a handle can be formed, but also opened and closed by a body door not shown in the open front part of the main body 20. And the like.

In addition, the main body 20 has an injection hole (not shown) selectively formed in the bottom portion 21 so that the cold storage material 40 is stored in the cold storage unit 30 mounted therein.

At this time, the inlet is filled with the cold storage material 40 in the inside of the cold storage unit 30, the first sealing by a stopper, and the second sealing between the stopper and the cold storage material injection port is effective.

The bottom portion 21 forming the bottom bottom of the main body 20 serves to support food and food stored in the main body 20.

The bottom portion 21 has at least one bottom protrusion 21c formed on the upper bottom plate 21a constituting the upper portion, and the bottom bottom plate 21b constituting the lower portion has an uneven shape or a repeated right-angle wave shape. An embossed portion 21d is formed, and the cold storage portion mounting space 21e is formed therein.

That is, the bottom portion 21 forms an upper bottom plate 21a on which the bottom protrusion 21c is formed on the basis of the cold storage part mounting space 21e, and has an uneven shape or a repeated rectangular wave shape at the bottom thereof. The part 21d is formed.

Here, the bottom protrusion 21c formed on the upper bottom plate 21a supports the object stored in the main body 20 so that cold air may flow between the object and the upper bottom plate 21a.

In this case, the shape of the cold storage part 30 mounted in the cold storage part mounting space 21e may be determined according to the bottom bottom plate 21b including the upper bottom plate 21a and the embossing part 21d.

To further explain this, the volume shape of the cold storage material 40 accommodated in the cold storage unit 30 may be formed to correspond to the cold storage unit 30 to have a relatively large cold air divergence area, and upwardly cool air. In addition, it can be supplied to the left and right and the front and rear, and by supplying a relatively large amount of cold downwards it is possible to efficiently increase the downward convection action of the cold air.

Both side wall portions 22 which are integrally vertically formed on both sides of the bottom portion 21 are formed to smoothly provide cold air into the body 20.

That is, the both side wall portion 22 is formed as the height of the front side is relatively higher than the height of the rear side as shown in Figures 1 to 3 so that the cool air can be smoothly provided to the inside of the main body 20.

At this time, the shape of the both side wall portion 22 reveals that it can be formed in other shapes in addition to the illustrated figure.

The rear wall portion 23 formed integrally with the rear surface of the bottom portion 21 is integrally formed with the bottom portion 21 and both side wall portions 22.

And in the present invention, the height of the rear wall portion 23 is formed smaller than the height of both side wall portion 22 so that cold air can smoothly flow into the food storage space of the main body 20, which is a specialty room.

The guide part 24 formed horizontally on both sides of the side wall part 22 is a kind of skid bar provided on both side surfaces of the main body 20, and the main body 20 is an inner accommodating space of the refrigerator 1. Getting in and out of (3) serves as a guide.

That is, the guide part 24 is mounted on both sides of the main body 20 so as to be attached to or detached from the slide groove of the refrigerating chamber by a slide coupling method.

In this case, a stepped portion may be formed on the rear bottom surface of the guide part 24 so as to perform a stop role corresponding to the seating part of the slide groove.

The cold storage part 30 mounted inside the main body 20 provides cold heat or cold air to the internal accommodation space 3 of the refrigerator by using the cold storage material 40 provided therein.

That is, the heat storage unit 30 accumulates cold air or cold heat during normal operation of the refrigerator, and releases the cold air charged during abnormal operation of the refrigerator (for example, power failure, defrost, and user's temperature setting error). The interior storage space (3) of 20 or serves to keep the food material placed on the shelf below the main body 20 freshly.

In further detail, the cold storage unit 30 maintains the maximum temperature of the internal storage space 3 of the refrigerator at the time of power failure or defrost of the refrigerator or at least cools the internal storage space 3 of the refrigerator for a predetermined time. It will be suppressed.

In addition, a cold storage material 40 for storing and dissipating cold or cold heat is stored or filled in the cold storage unit 30.

Here, the cold storage material 40 may be selected and used from a conventional cold storage material group so as to exhibit the cold storage performance in consideration of the use place, capacity, and size of the specialty chamber.

For example, the cold storage material group is a liquid at room temperature and phase change into a solid state by cold air in a refrigerator or below freezing temperature from a freezer. Aqueous solutions that are mixtures that contain, or a mixture of water and a phase change material (PCM).

In addition, the cold storage material 40 of the cold storage part 30 may contain a photoluminescent material 40a that absorbs and stores a lamp light of the inner accommodating space 3 when the door of the refrigerator is opened.

That is, the cold storage material 40 containing the photoluminescent material 40a absorbs and stores light and illuminates the photoluminescent light in the inner accommodating space 3 of the refrigerator. In order to eliminate the inconvenience of the user to identify and take out food.

In this case, the mixing ratio of the heat storage material 40 and the light storage material 40a may be selected within a range capable of generating proper photoluminescence light without degrading the temperature holding function, which is a basic function of the heat storage unit 30. It may not be limited to.

However, according to the exemplary values confirmed through repeated optimization experiments, when the ratio of the cold storage material 40 and the photoluminescent material 40a is any ratio between the 80:20 ratio and the 90:10 ratio, the refrigerator may be used in the refrigerator. It has been confirmed that both the degree of cold storage performance and the photoluminescent performance can be satisfied.

In this case, the main body 20 is formed of transparent or translucent LDPE (Low Density PolyEthylene) material so that the light emitted from the photoluminescent material 40a penetrates the material of the main body 20 to brighten the inside of the refrigerator. effective.

Next, the cold storage device 10 for a refrigerator may be configured as shown in FIGS. 5 to 8.

First, the cold storage device 10 of FIG. 5 is configured to more efficiently cool cold air during normal operation of the refrigerator or to more efficiently discharge cold air during abnormal operation of the refrigerator.

To this end, the cold storage device 10 for the refrigerator has the cold storage part 30 having the cold storage material 40 formed therein as well as the bottom portion 21 of the main body 20 as well as the side wall portions 22 and the rear wall portions 23. It is mounted inside.

At this time, the cold storage part 30 of the both side wall portion 22 and the rear wall portion 23 may be spatially connected to the cold storage portion 30 of the bottom portion 21.

An embossed portion 21d is formed on a bottom surface of the lower bottom plate 21b constituting the bottom portion 21, and cold air having a heat radiating fin shape in a lower vertical direction on the protrusion 21f constituting the embossed portion 21d. The distribution part 26 is formed.

Here, the design numerical matters such as the downward protrusion length, the size, the number, and the protrusion direction (for example, the vertical direction, the horizontal direction, or the inclined direction) of the cold air distribution unit 26 correspond to the place of use, the capacity, and the size of the main body 20. Since it may be determined in various ways, it may not be limited to a specific value.

In addition, the cold air distribution unit 26 may be manufactured integrally with the lower bottom plate 21b during the molding or manufacturing process of the main body 20, or may be coupled to the main body 20 through adhesion, bonding, insert injection, or the like.

In addition, the cold air distribution unit 26 may increase the surface area where the cold air of the cold storage unit 30 is discharged according to the shape of the downwardly protruding shape, and more smoothly induce the downward convection action of the cold air.

6 illustrates an example in which the refrigerator cooling device 10 of FIG. 6 is detachably mounted to and detachable from the air circulation cooling unit 50 having the storage material 52 therein. It is shown.

That is, the refrigerator cooling device 10 is detachably mounted to the air circulation cooling unit 50 provided with the cooling material 52 at the lower center of the main body 20 to further remove cold air during normal operation of the refrigerator. It is designed to efficiently cool and cool the air more efficiently during abnormal operation of the refrigerator.

In addition, the air circulation cooling unit 50 may induce a downward convection action of the cold air accommodated in the inner accommodating space 3 of the refrigerator to improve the efficiency of the cold air while accumulating the cold air more efficiently.

Next, the cold storage device 10 for a refrigerator of FIG. 7 is provided with air circulation portions 51a at both sides of the lower portion of the main body 20, and between the air circulation portions 51a and the air circulation portions 51a. The auxiliary cooling unit 52a is integrally formed, and an example in which the air circulation cooling unit 50 having the cold storage material 53a is mounted therein is shown.

That is, the refrigerator cooling device 10 includes the air circulation unit 51a and the auxiliary cooling unit 52a which are provided with the cool storage material 53a at both lower sides and the center of the main body 20, and operate the refrigerator in a normal manner. To cool the cold air more efficiently and to discharge the cold air more efficiently during abnormal operation of the refrigerator.

In addition, the air circulation cooling unit 50 may not only convection the cool air received in the internal accommodation space 3 of the refrigerator downwardly through the air circulation units 51a provided at intervals, but also inside the refrigerator. The temperature of the accommodation space (3) can be prevented from rising or lowering at the same time.

Next, as shown in FIG. 8, the cold storage device 10 for a refrigerator uses a moving truck 60 provided with wheels 62 to a main body 20 having a cold storage part 30 having a cold storage material 40 therein. It shows an example that can be moved.

That is, the refrigerator cooling device 10 accommodates the main body 20 provided with the cold storage part 30 having the cold storage material 40 in the inner space 61 of the mobile truck 60, and then the wheel 62. You can use to move smoothly.

If described with reference to an embodiment of a storage device for a refrigerator configured as described above as follows.

First, it is manufactured using LDPE (Low Density PolyEthylene) material which is excellent in impact resistance, low temperature embrittlement resistance, flexibility, processability, transparency, chemical resistance, water resistance, electrical insulation, etc., and the bottom portion 21, both side wall portions 22, The main body 20 which the back wall part 23 and the guide part 24 are comprised integrally is formed.

At this time, the bottom portion 21 is formed with a storage space for storing the cold storage part 21e for mounting the cold storage part 30.

And after filling the cold storage material 40 in the inside of the cold storage part 30 through the injection hole formed in the bottom portion 21, the first seal by a stopper, between the stopper and the cold storage material inlet through ultrasonic welding When the secondary sealing is completed, the assembling of the refrigerator cooling device 10 is completed.

Here, it is revealed that the formation process of the cold storage device for a refrigerator may be configured differently from the above.

Next, after the refrigerator storage device 10 is selectively mounted as the internal accommodation space 3 of the refrigerator 1, the refrigerator 1 is maintained at an appropriate temperature or a predetermined temperature through a set refrigeration control.

In the above state, during frequent opening and closing of the door constituting the refrigerator 1 or power failure or defrosting of the refrigerator 1, the temperature of the internal accommodation space 3 of the refrigerator 1 may not be maintained normally, and the set temperature may be maintained. The above situation arises in which the temperature rises.

At this time, the refrigerator 1 solves the problem caused by the temperature rise of the internal accommodation space 3 of the refrigerator 1 through the main body 20 in which the heat storage unit 30 is provided.

That is, the refrigerator 1 prevents the temperature of the internal accommodating space 3 from rising during the time when the cold air generated from the cold storage part 30 corresponds to the capacity of the cold storage material 40 of the cold storage part 30, and thus the main body 20. It is possible to maintain the freshness while preventing damage to food materials, food, food, etc. located in the storage space of).

In addition, the main body 20 having the cold storage part 30 is located on the upper side of the inner accommodating space 3, and causes a downward convection action (F) in the nature of the cold air. Accordingly, food, refrigerated storage items, and the like, which are being stored on the plurality of shelves 5 located below the main body 20, may be safely refrigerated by the cold air generated from the cold storage part 30 of the main body 20. It becomes possible.

In particular, the bottom surface of the bottom portion 21 of the main body 20 where the cold storage portion 30 is located is provided with an embossing portion 21d for increasing the surface area, the embossing portion (21d) is relatively relative to the general flat bottom surface As having a large surface area, the amount of cold air supply or supply efficiency of the downward convection action (F) may be increased to correspond to the large surface area, and through this, food and refrigerated storage items located below the main body 20 may be It can be stored relatively fresher.

Thus, the cold air having a downward convection (F) realizes the function of maintaining the temperature compensation inside or outside the inner accommodating space 3, thereby preventing the temperature of the entire interior accommodating space 3 from being lowered. Will be.

In the above description with reference to the accompanying drawings, the present invention was described mainly for the specific shape and direction of the refrigerator refrigeration device, the present invention can be variously modified and changed by those skilled in the art, such variations and modifications are the rights of the present invention It should be interpreted as being included in the scope.

Claims

A main body detachably attached to the accommodation space inside the refrigerator; And

And a cold storage part mounted inside the main body and provided with a cold storage material.
The method of claim 1,

The cold storage part is mounted inside at least one of a bottom part, both side wall parts, and a back part of the main body,

Refrigerating and cooling device for a refrigerator is formed on both sides of the main body to be attached to and detached from the slide mounting groove of the inner side of the refrigerator.
The method of claim 2,

The cold storage part is mounted inside the bottom part,

At least one bottom protrusion is formed on the upper bottom plate constituting the upper portion of the bottom portion, the lower storage plate constituting the lower portion of the bottom portion refrigeration cooling device for an embossed portion formed of irregularities or repeated rectangular wave shape.
The method of claim 2,

Refrigeration apparatus for a refrigerator, wherein the protrusion constituting the embossing portion is further formed with a heat dissipation fin-type cold air distribution unit.
The method of claim 1,

And an air circulation cooling unit detachably mounted to the lower center of the main body, wherein the air circulation cooling unit is equipped with a cool storage material therein.
The method of claim 1,

An air circulation unit is disposed on both sides of the lower part of the main body, and an auxiliary cooling unit is integrally formed between the air circulation unit and the air circulation unit, and an air circulation cooling unit having a cold storage material therein is detachably mounted therein. Cold storage device.
The method of claim 1,

The main body is a cold storage device for a refrigerator to be moved through a moving cart provided with wheels.
The method of claim 1,

The cold storage material of the cold storage part contains a photoluminescent material,

The main body is a cold storage device for a refrigerator formed of transparent or translucent LDPE (Low Density PolyEthylene) material so that the light emitted from the photoluminescent material can pass through the material of the main body.