Portable cooling pack

Abstract

This invention provides a portable coolant that is compact in shape and highly portable, and that stabilizes the transfer of the refrigerant sealed in a flat, sealed body, thereby contributing to improved cooling efficiency and suppression of localized temperature unevenness. [Solution] The portable coolant comprises a body 10 having a nearly flat, sealed structure and a refrigerant sealed inside the body 10. The body 10 includes opposing first flat plates 11 and second flat plates 12, as well as connecting sides 13 that connect the edges. An injection hole 111 is provided near the center of the first flat plate 11 and is sealed after the refrigerant is injected. Furthermore, a lattice structure 40 consisting of vertical and horizontal ribs is provided inside the body 10, creating a structure that facilitates uniform distribution of the refrigerant throughout the entire body. It offers high versatility, suitable for a variety of environments such as sports use, in-vehicle environments, outdoor camping, and carrying lunches during commutes.

Description

Technical Field

[0001] The present invention relates to the technical field of coolants, and particularly to a flat and sealed portable coolants with excellent portability.

Background Art

[0002] In recent years, with the improvement of living standards, the cooling needs in daily life have become diversified. Especially during the high-temperature period in summer, the demand for coolants in various scenarios such as maintaining the freshness of food, cooling the body during sports, and cooling portable devices in the in-vehicle environment has been increasing. From the perspective of portability, portable cooling tools with a refrigerant enclosed in a flat and sealed body have also been proposed.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

[0004] However, although conventional coolants are widely used as cold storage agents and cold insulation agents, many of them have a thick and bulky shape, and there are problems in terms of portability. Also, in a sealed structure with a flattened body, when the interior is a substantially simple space, it is difficult for the refrigerant to be uniformly transmitted throughout the body, and there are problems such as a decrease in cooling efficiency and local temperature unevenness. Furthermore, a structure that can ensure both portability (thin and lightweight) and stability of the cooling effect while also ensuring the mechanical strength of the body against dropping and external forces has been demanded.

Summary of the Invention

[0005] In view of the above problems, the present invention aims to provide a portable coolant that, on the premise of a flat and sealed body with excellent portability, provides a lattice structure inside the body to uniformize the transmission of the refrigerant, stabilize the cooling effect, and contribute to the strength of the body.

[0006] To achieve the above objective, the portable coolant of the present invention comprises a body having a flat, sealed structure and a refrigerant sealed within the body. The body includes opposing first and second plates, and connecting sides connecting the edges of the first and second plates. An injection hole is provided near the center of the first plate, and the body is sealed after the refrigerant is injected. Furthermore, a grid structure is provided inside the body.

[0007] According to this invention, by providing a grid structure inside the body, the flow path of the refrigerant is subdivided and made uniform, promoting the transfer of cold air throughout the entire body. As a result, the cooling efficiency is improved compared to conventional structures in which the refrigerant is sealed in a simple sealed space, and localized temperature unevenness is suppressed, stabilizing the cooling effect. In addition, the grid structure reinforces the mechanical strength of the body and can suppress deformation due to drops or external forces. Furthermore, if the grid structure is made of metal and integrally formed with the first and second plates, the cooling energy of the refrigerant can be rapidly transmitted to the entire surface of the body. [Brief explanation of the drawing]

[0008] [Figure 1] This is a perspective view showing the disassembled state of the portable cooling material of the present invention, and shows the grid structure inside the body. [Modes for carrying out the invention]

[0009] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0010] The portable coolant comprises a body 10 having a nearly flat, sealed structure, and a refrigerant (not shown) sealed inside the body 10.

[0011] The body 10 includes a first flat plate 11 and a second flat plate 12 that are spaced apart and facing each other, and a connecting side 13 that connects the edges of the first flat plate 11 and the second flat plate 12. Due to its flat shape, it takes up less space and is highly portable.

[0012] An injection hole 111 is provided near the center of the first flat plate 11, and is sealed after the refrigerant is injected.

[0013] The connecting side 13 includes a first connecting side and a second connecting side that can be connected to each other. The first connecting side is integrally connected to the edge of the first flat plate 11, and the second connecting side is integrally connected to the edge of the second flat plate 12. The first connecting side and the second connecting side are smoothly sealed together by welding and polishing.

[0014] A feature of this invention is that a grid structure 40 is provided inside the body 10. Here, the grid structure 40 refers to a structure consisting of a plurality of partition members arranged to form a plurality of partitioned regions within the internal space of the body 10. The grid structure 40 is positioned between the first flat plate 11 and the second flat plate 12. Various specific forms of the grid structure 40 can be adopted, but a preferred example is a configuration in which the partition members constituting the grid structure 40 include intersecting longitudinal ribs and transverse ribs and are arranged in a grid pattern.

[0015] The grid structure 40 facilitates the dispersion of the refrigerant sealed inside the body 10 throughout the entire body, resulting in a uniform distribution of the refrigerant across the entire body. This allows for efficient transmission of cold air throughout the body, improving cooling efficiency compared to conventional structures where the refrigerant is sealed in a simple sealed space. Furthermore, the grid structure 40 also serves to reinforce the mechanical strength of the body 10, preventing deformation due to drops or external forces.

[0016] The lattice structure 40 is preferably made of metal, and is integrally formed with the first plate 11 and the second plate 12 using a material with high thermal conductivity, thereby enabling the cooling energy of the refrigerant to be quickly transmitted to the entire surface of the body.

[0017] The first plate 11 and the second plate 12 are each formed by chamfering (0.5 × 45°) a rectangular structure. In addition, anti-slip protrusions are provided on the surfaces of the first plate 11 and the second plate 12 to provide an anti-slip effect on the object to be cooled or the support surface.

[0018] The preferred dimensions of the body 10 are a height of 1.0 cm to 1.5 cm, a length of 16 cm to 18 cm, and a width of 10 cm to 12 cm. The refrigerant is selected from an aqueous solution of ethylene glycol, a fluoroinote solution, mineral oil, and deionized water, and its weight is preferably 184 g to 186 g.

[0019] The portable coolant of this invention features a flat body 10 with a grid structure 40 inside, and a refrigerant is sealed within it. This results in a slim external form, excellent portability and ease of use, a simple structure, improved cooling efficiency, and a uniform cooling effect throughout the entire body. It can be used in a variety of environments, including sports, in-car environments, outdoor camping, picnics, and carrying lunches during commutes, providing users with high versatility. [Explanation of symbols]

[0020] 10 Body 11 1st plate 111 Liquid injection hole 12 Second plate 13. Connecting side 40 Lattice structure

Claims

1. A body with a flat, sealed structure, The body comprises a refrigerant sealed within it, The body includes opposing first and second plates, and connecting sides that connect the edges of the first and second plates, A portable coolant characterized in that an injection hole is provided near the center of the first flat plate, which is sealed after the refrigerant is injected, and a grid structure is provided inside the body.

2. In the portable coolant described in claim 1, The aforementioned grid structure includes intersecting longitudinal and transverse ribs, A portable cooling material characterized by being placed between the first flat plate and the second flat plate.

3. In the portable coolant according to claim 1 or 2, A portable coolant characterized in that the aforementioned lattice structure is made of metal and is integrally formed with the body using a material with high thermal conductivity.

4. In the portable coolant described in claim 1, A portable coolant characterized in that the body is made of metal, and the liquid injection hole is sealed by welding after the refrigerant is injected.

5. In the portable coolant described in claim 1, The aforementioned connecting side includes a first connecting side and a second connecting side that can be connected to each other. A portable cooling material characterized in that the first connecting side is integrally connected to the edge of the first flat plate, and the second connecting side is integrally connected to the edge of the second flat plate.

6. In the portable coolant described in claim 5, A portable coolant characterized in that the first connecting side and the second connecting side are smoothly connected.

7. In the portable coolant described in claim 6, The aforementioned body is made of metal. (a) The first connecting side and the second connecting side are smoothly sealed by welding and polishing; or, (b) A metal annular connecting band is provided in contact with the inside of the connection between the first connecting side and the second connecting side, and the connection is sealed by welding and polishing; or, (c) A portable coolant characterized in that the first connecting side and the second connecting side are sleeve-connected via a sealing silicone rubber member.

8. In the portable coolant described in claim 1, The first and second plates are each formed by chamfering a rectangular structure; and / or, A portable coolant characterized in that the connecting side protrudes from the edge of the first plate and the edge of the second plate and is smoothly connected.

9. In the portable coolant described in claim 1, The first plate and / or A portable cooling material characterized in that anti-slip protrusions are provided on the second flat plate.

10. In the portable coolant described in claim 1, The height of the body is 1.0 cm to 1.5 cm; and / or, The length of the body is 16 cm to 18 cm; and / or, The width of the body is 10 cm to 12 cm; and / or, The refrigerant is selected from aqueous ethylene glycol solution, fluoroinote solution, mineral oil, and deionized water; and / or, A portable coolant characterized in that the weight of the refrigerant is between 184g and 186g.

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