KR101060437B1 - Cold Pack - Google Patents

Abstract

The present invention relates to a cold pack, and more particularly, one side accommodating portion in which a coolant is accommodated, and a freezing point lowering coolant in which a freezing point is lowered than the coolant formed on the other side of the one accommodating portion and accommodated in the one accommodating portion is accommodated. Flow of the cold air of the ice-cold coolant is formed in the inner side of the vertical partition wall spaced apart from the other side accommodating portion and the one side accommodating portion and the other accommodating portion at a predetermined interval and flowing toward the one side accommodating portion from the other accommodating portion. Cooling unit consisting of an air layer to delay the; It relates to a cold pack comprising a; receiving the other side receiving portion to prevent the heat exchange of the cold air and the outside air of the ice cold drop coolant.

The present invention configured as described above allows the cold air of the ice-cold drop coolant accommodated in the other accommodating part to be transferred to the coolant accommodated in the one accommodating part for a longer time, and thus the coolant may emit cold air at a constant temperature for a longer time. In addition, the replacement cycle of the coolant is also lengthened, so that the user can minimize the inconvenience of replacing the coolant.

 Insulation Cover, Insulation Cover

Description

Cold Pack {COLD INSULATION PACK}

The present invention includes a one side accommodating portion in which a coolant is accommodated, the other accommodating portion formed on the other side of the one accommodating portion, and the other side accommodating portion in which a freezing point drop coolant having a freezing point lowered than the coolant contained in the one accommodating portion is received, and the one accommodating portion and the other side. A cold storage unit formed inside the vertical partition wall spaced apart from each other by a predetermined interval and configured to retard the flow of cold air of the freezing-lowering coolant flowing in the direction of one receiving unit from the other receiving unit; It relates to a cold pack comprising a; receiving the other side receiving portion to prevent the heat exchange of the cold air and the outside air of the ice cold drop coolant.

In general, the cold pack is a product that is filled in a sealed pack of the coolant, and serves to lower the temperature of other things in the summer by reducing the temperature by dissipating cold air around.

For example, it may be used by putting it in a freezer box for low temperature storage of food in a box, or by attaching it to a vest and using it to allow workers to work outdoors in the summer.

These cold packs are determined according to the characteristics of the coolant and the pack containing the coolant performance, in particular, the duration of the cold hold.

Accordingly, the industry has continued to improve the characteristics of the coolant and the pack containing it.

The present invention is to propose a cold pack that can not only release the cold air at a constant temperature for a long time, but also the replacement cycle of the coolant is long, so that the user can minimize the inconvenience of replacing the coolant. do.

The present invention has been created to solve the above-mentioned problems, the cold air of the ice-cold drop coolant accommodated in the other accommodating portion can be delivered to the coolant accommodated in the one accommodating portion for a longer time, and thus the coolant is longer It is an object of the present invention to provide a cold pack that can not only dissipate cold air at a constant temperature for a time, but also the replacement cycle of the coolant becomes long, thereby minimizing the user from having to worry about replacing the coolant. .

The present invention for achieving the above object is the one side accommodating portion accommodating the coolant, and the other side accommodating portion is formed on the other side of the one side accommodating portion, the other side accommodating coolant having a freezing point lowered than the coolant contained in the one accommodating portion is lowered And, formed inside the vertical partition wall spaced apart from the one side accommodating part and the other accommodating part at a predetermined interval to retard the flow of cold air of the freezing point drop coolant flowing from the other accommodating part toward the one accommodating part. Cooling unit consisting of an air layer; It provides a cold pack comprising a; receiving the other side receiving portion to prevent the heat exchange of the cold air and the outside air of the ice cold drop coolant.

Here, it is preferable that an insulation pad is placed in the air layer.

Furthermore, it is preferable that an insulation pad having one or more through holes formed therein in the air layer.

The present invention is formed on the inside of the vertical bulkhead spaced apart at regular intervals between the one receiving portion and the other receiving portion is formed in the air layer for delaying the flow of cold air of the ice cold drop coolant flowing in the direction of the one receiving portion from the other receiving portion Due to this, the cold air of the ice-cold drop coolant accommodated in the other accommodating part can be delivered to the coolant accommodated in the one accommodating part for a longer time, and thus the coolant can emit cold air at a constant temperature for a longer time. In addition, the replacement cycle of the coolant is also long, so that the user can minimize the inconvenience of replacing the coolant.

In addition, when the insulating pad made of a sponge or the like is placed in the air layer, there is an effect that it is possible to delay the flow of cold air of the freezing-lowering coolant flowing from the other accommodating part toward one accommodating part for a longer time.

Further, when at least one through hole is formed in the insulating pad made of a sponge or the like placed in the air layer, the cold air of the ice-cold drop coolant in the state in which the transfer flow is delayed from the other receiving portion to the one receiving portion by the insulating pad is There is an effect that can be more easily passed through the through-hole to the coolant.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Of course, the scope of the present invention is not limited to the following examples, and various modifications can be made by those skilled in the art without departing from the technical gist of the present invention.

FIG. 1 is a perspective view schematically showing a cold pack 5 as a first embodiment of the present invention, and FIG. 2 is a longitudinal cross-sectional view taken along line AA of FIG.

The cold pack 5 of the first embodiment of the present invention may be made large, as shown in FIGS. 1 and 2, including a cold storage part 10 and a heat insulating cover 30.

First, the cold storage part 10 is for dissipating cold air to the outside, and is largely composed of one receiving part 110, the other receiving part 130, and an air layer 150.

The one side accommodating part 110 is to accommodate the coolant 111 for dissipating cold air to the outside, the other side accommodating part 130 may be formed integrally on the other side.

The other side accommodating part 130 may be formed integrally with the other side of the one side accommodating part 110 by accommodating a freezing point lowering coolant 131 having a freezing point lowered than the coolant 111 therein.

The one side accommodating part 110 and the other side accommodating part 130 may be respectively formed on one side and the other side of a rectangular accommodating cylinder made of a plastic material or the like, or may be formed on one side and the other side of the superabsorbent polymer, respectively. .

Meanwhile, when water is used as the coolant 111 contained in the one accommodating part 110, sodium chloride, alcohols, glycols, sugars and urea in water are used as the coolant dropping coolant 131 accommodated in the other accommodating part 130. An aqueous solution in which a freezing point lowering agent is dissolved may be used, but is not necessarily limited thereto.

It is sufficient if the freezing point of the coolant accommodated in the other receiving portion 130 is lower than the coolant 111 accommodated in the one receiving portion 110 as shown in Table 1 below.

In addition, water, an aqueous solution, or the like may be used for the coolant 111 and the freezing point lowering coolant 131 in order to further improve cold retention.

[Table 1] Configuration examples of one accommodating part and the other accommodating part

One side Receptacle (110) The other side Receptacle (130)
Example 1

water
Water + freezing agent
Example 2

Water + low freezing point depressant
Water + high concentration freezing agent
Example 3

Water + Super Absorbent Resin
Water + freezing agent + superabsorbent resin
Example 4

Water + Low Freezing Point Lowering Agent + Super Absorbent Resin
Water + Highly Freezing Point Depressant + Super Absorbent Resin

The air layer 150 is for delaying the flow of the cold air of the freezing point drop coolant 131 flowing from the other receiving portion 130 toward the one receiving portion 110, the one receiving portion 110 and It is formed inside the vertical bulkheads 113 and 133 made of a plastic film and the like disposed between the other receiving portions 130 at a predetermined interval.

3 is a longitudinal cross-sectional view schematically illustrating a state in which the thermal insulation pad 170 is placed on the air layer 150 of FIG. 2.

On the other hand, the air layer 150 may be provided with a heat insulating pad 170 made of a material such as a sponge or other insulating material.

Although not shown in the drawing, an outer circumferential surface of the present cooling pack 5 positioned between the vertical bulkheads 113 and 133 so that the insulation pad 170 is placed on the air layer 150 is opened and closed. Known zipper locks for the purpose may be provided.

That is, after the air layer 150 is opened using the zipper lock, the heat insulation pad 170 is opened again by using the zipper lock in the state in which the heat insulation pad 170 is placed on the air layer 150 in an open state. The air layer 150 is closed.

When the insulating pad 170 made of a sponge or the like is placed on the air layer 150, the cold air flow of the freezing point lowering coolant 131 flowing from the other accommodating part 130 toward one accommodating part 110 is more than that. This has the advantage of being able to delay for a longer time.

In particular, as shown in FIG. 3, the air pad 150 may include an insulating pad 170 formed of a sponge or the like having one or more through holes 171 formed therein.

One or more accommodating portions of the other accommodating portion 130 by the insulating pad 170 when at least one through hole 171 is formed in the insulating pad 170 formed of a sponge or the like placed on the air layer 150. The cold air of the ice-cold drop coolant 131 in a state where the flow to the 110 is delayed can be more easily transferred to the coolant 111 through the through hole 191 (see the solid arrow in FIG. 3). There is an advantage.

Next, the heat insulation cover 170 is for preventing heat exchange between cold air and the outside air of the freezing point lowering coolant 131, and the other accommodating part 130 is accommodated therein.

The other accommodating part 130 accommodated in the heat insulating cover 170 is not exposed to the outside, and the one accommodating part 110 is exposed to the outside.

The heat insulation cover 170 may be made of a sponge in a sealed state in which the through hole 171 is not formed, unlike the heat insulation pad 170 formed of a sponge in which at least one through hole 171 is formed. It is not necessarily limited thereto.

As shown in FIG. 3, the insulating cover 170 may accommodate the other receiving portion 130 therein with the vertical partitions 113 and 133 included therein.

Due to the heat insulation cover 170, it is possible to more effectively prevent the heat exchange between the cold and the outside air of the freezing point drop coolant 131, whereby cold air of the freezing point drop coolant 131 is concentrated to the coolant 111. Can be delivered.

Figure 4 is a perspective view schematically showing a cold pack as a second embodiment of the present invention, Figure 5 is a longitudinal cross-sectional view taken along the line B-B of FIG.

Next, as shown in FIG. 2, the cooling unit 10 may be formed in a polygonal shape such as a cross-section, but as shown in FIG. 4, the cross-sectional shape is formed in any one of a circular or elliptical shape. It may be formed in a variety of shapes, such as.

However, when the cross-sectional shape of the cold storage unit 10 is formed in any one of a circular or elliptical shape, as shown in FIG. 5, the other side accommodating unit 130 in which the freezing point lowering coolant 131 is accommodated is provided. The one side accommodating part 110 in which the coolant 111 is accommodated may be formed.

That is, the other accommodating part 130 surrounds the one accommodating part 110 so that the one accommodating part 110 may be located inside the other accommodating part 130.

At this time, the heat insulating cover 30 is accommodated in the state wrapped around the other receiving portion 130 as shown in FIG.

FIG. 6 is a perspective view schematically illustrating a state in which an insertion space 190 is formed in one accommodating part 110 of FIG. 4, and FIG. 7 is a longitudinal cross-sectional view taken along the line CC of FIG. 6.

Meanwhile, as shown in FIGS. 6 and 7, a cross section into which a beverage product (not shown), such as a beer bottle, may be inserted vertically may be formed in a shape of any one of circular or oval shapes. Insertion space 190 may be formed in the open top and bottom.

When a beverage product such as a beer bottle is vertically inserted into the insertion space 190 formed inside the one accommodating part 110 of FIG. 4, the beverage product such as a beer bottle (not shown) may be stored in a cold state for a longer time. .

FIG. 8 is a perspective view schematically illustrating a cool pack as a third embodiment of the present invention, and FIG. 9 is a longitudinal cross-sectional view taken along the line D-D of FIG. 8.

In addition, as shown in FIG. 8, the one side accommodating part 110 in which the coolant 111 is accommodated may be formed on the outside of the other accommodating part 130 in which the freezing point drop coolant 131 is accommodated.

That is, the one side accommodating part 110 surrounds the other side accommodating part 130 so that the other accommodating part 130 is located inside the one accommodating part 110.

In this case, as shown in FIG. 9, the heat insulating cover 30 may be fixed to the upper and lower surfaces of the other accommodating part 110 by a bond or the like to surround the other accommodating part 110.

The cold pack 5 of the first, second, and third embodiments may be mounted on products such as cold air clothing, hard hats, ice boxes, cold air blowers, etc., but is not necessarily limited thereto. Of course.

The present invention configured as described above is formed inside the vertical partitions 113 and 133 spaced apart at regular intervals between the one accommodating part 110 and the other accommodating part 130 and the other accommodating part. The freezing point lowering coolant 131 accommodated in the other receiving unit 130 due to the air layer 150 which delays the flow of cold air of the freezing point lowering coolant 131 flowing in the direction of one receiving unit 110 at 130. The cold air of the coolant 111 can be delivered to the coolant 111 accommodated in the one-side accommodating part 110 for a longer time, and thus the coolant 111 can emit cold air at a constant temperature for a long time. The replacement cycle of the coolant 111 is also long, so that the user can minimize the inconvenience of replacing the coolant 111.

1 is a perspective view schematically showing a cold pack as a first embodiment of the present invention,

FIG. 2 is a longitudinal cross-sectional view taken along line AA of FIG. 1,

3 is a longitudinal cross-sectional view schematically illustrating a state in which an insulation pad is placed in the air layer of FIG. 2.

Figure 4 is a perspective view schematically showing a cold pack as a second embodiment of the present invention,

5 is a longitudinal cross-sectional view taken along line B-B of FIG.

FIG. 6 is a perspective view schematically illustrating a state where an insertion space is formed in one receiving part of FIG. 4;

FIG. 7 is a longitudinal cross-sectional view taken along line CC of FIG. 6.

8 is a perspective view schematically showing a cold pack as a third embodiment of the present invention;

9 is a longitudinal cross-sectional view taken along the line D-D of FIG.

*** Explanation of symbols for main parts of drawing ***

5; Cold pack, 10; Cold Storage,

110; One receiving portion 111; Refrigerant,

113, 133; Vertical bulkhead, 130; Other receptacle,

131; Ice cold preservative, 150; Air Layer,

170; Insulation cover, 171; Through Hole,

190; Insertion space, 30; Insulation cover.

Claims (3)

Between the one side accommodating portion containing the coolant, the other side accommodating portion is formed on the other side of the one side accommodating portion, the other side accommodating portion is a freezing point lowering coolant having a freezing point lower than the coolant contained in the one accommodating portion, and between the one side accommodating portion and the other accommodating portion A cold storage unit formed inside the vertical partition wall spaced apart at regular intervals and configured to retard the flow of cold air of the freezing-lowering coolant flowing from the other receiving portion to the one receiving portion; And a heat insulation cover for accommodating the other accommodating part to prevent heat exchange between cold air and the outside air of the freezing point lowering coolant. The method of claim 1, Insulation pad is provided in the air layer, characterized in that the cold pack. The method of claim 1, The air pack is characterized in that the insulating pad is formed with one or more through-holes in the air layer.

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