CN218442849U

CN218442849U - Portable mobile Stirling low-temperature heat insulation structure

Info

Publication number: CN218442849U
Application number: CN202222227438.6U
Authority: CN
Inventors: 王冬冬; 汪德政; 朱国海
Original assignee: Ningbo Juxin Cryogenic Technology Co ltd
Current assignee: Ningbo Juxin Cryogenic Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-02-03
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a portable mobile Stirling low-temperature heat insulation structure, which comprises a refrigerating cavity, wherein a sealing cover is arranged on the upper side of the refrigerating cavity; the cold-stored chamber include aluminium system inner bag, parcel setting at the glass fiber board in the aluminium system inner bag outside, glass fiber board embedded have around the cold pipe of leading that aluminium system inner bag arranged, lead cold pipe and stirling cold quick-witted link to each other, the outside of glass fiber board be provided with the cotton insulating layer of first glass, the outside of the cotton insulating layer of first glass be provided with the polyurethane foaming layer. The utility model has simple structure, adopts the multi-layer composite heat-insulating material, optimizes the cold conduction effect and the consistency of the internal temperature area and the uniformity of temperature in the low-temperature mobile thermostat, improves the heat preservation efficiency by 30 percent in low-temperature application, and shortens the temperature-reducing time more quickly; the heat-insulating layer is reduced by 50%, and the appearance volume is smaller; the whole weight is reduced by 35%, and the weight of the constant temperature box is lighter.

Description

Portable mobile Stirling low-temperature heat insulation structure

Technical Field

The utility model relates to a cold quick-witted application of stirling specifically is a portable adiabatic structure of stirling low temperature that removes.

Background

At present, the Stirling cooler is mostly used for low-temperature storage, and ultralow temperature of a storage space can be realized, but for a movable portable Stirling cooler low-temperature box, how to keep low temperature inside the low-temperature box is a difficult problem, and how to arrange a heat-insulating structure in a reasonable space to reduce leakage of cold energy is an urgent problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable removal stirling low temperature insulation structure, simple structure adopts multiply wood composite heat insulation material, has optimized the uniformity of leading cold effect and inside warm area and the even nature of temperature.

In order to achieve the above object, the utility model provides a following technical scheme: a portable mobile Stirling low-temperature heat insulation structure comprises a refrigerating cavity, wherein a sealing cover is arranged on the upper side of the refrigerating cavity; the refrigerating cavity comprises an aluminum inner container and a glass fiber plate wrapped on the outer side of the aluminum inner container, a cold guide pipe arranged around the aluminum inner container is embedded in the glass fiber plate, the cold guide pipe is connected with the Stirling cooler, a first glass wool heat insulation layer is arranged on the outer side of the glass fiber plate, a polyurethane foam layer is arranged on the outer side of the first glass wool heat insulation layer, the cold guide pipe is a red copper cold guide pipe, CO or ethane is filled in the cold guide pipe to serve as a refrigerant for conduction, the heat conductivity coefficient of the glass fiber plate is low, and the heat insulation effect can be greatly improved by the first glass wool heat insulation layer and the polyurethane foam layer together.

Preferably, the outer side of the polyurethane foam layer is provided with a shell, and the shell can protect the polyurethane foam layer and enable the multilayer heat-insulating structure to be tightly pressed together.

Preferably, the lower side of the sealing cover is provided with a boss, the boss is embedded into the opening at the upper end of the refrigerating cavity, the boss can enable the sealing cover to be positioned at the upper end of the refrigerating cavity, and meanwhile, the boss can improve the sealing effect.

Preferably, a second glass wool heat insulation layer is arranged inside the boss, and the second glass wool heat insulation layer and the multilayer heat insulation structure on the side wall of the refrigerating cavity can effectively insulate the inside of the refrigerating cavity.

Preferably, a circle of sealing groove is formed in the position, close to the edge, of the lower side of the sealing cover, and a sealing strip is embedded into the sealing groove, so that the sealing performance can be further improved.

Compared with the prior art, the beneficial effects of the utility model are that:

the adoption of the multi-layer composite heat-insulating material optimizes the cold conduction effect, the consistency of an internal temperature area and the uniformity of temperature, improves the heat preservation coefficient of the Stirling refrigerator at the low temperature of minus 40 ℃ and minus 80 ℃ by 30 percent, improves the cooling time by 35 percent, reduces the energy consumption by 35 percent, reduces the heat preservation layer by 50 percent and has smaller volume; the whole weight is reduced by 35%, and the weight of the incubator is lighter.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 isbase:Sub>A sectional view showing the structure along the linebase:Sub>A-base:Sub>A in fig. 1.

Reference numerals:

1. the refrigerator comprises a refrigerating cavity, 11, a shell, 2, a polyurethane foam layer, 3, a sealing cover, 4, a second glass wool heat insulation layer, 5, a boss, 6, a first glass wool heat insulation layer, 7, a cold guide pipe, 8, a glass fiber board, 9, an aluminum inner container, 10 and a sealing groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-2, the utility model discloses a solve among the prior art portable stirling low temperature fridge cold volume loss bigger, can't satisfy the problem that low temperature keeps warm needs, provide following technical scheme: a portable mobile Stirling low-temperature heat insulation structure comprises a refrigerating cavity 1, wherein a sealing cover 3 is arranged on the upper side of the refrigerating cavity 1; the refrigerating cavity 1 comprises an aluminum inner container 9 and a glass fiber plate 8 wrapped on the outer side of the aluminum inner container 9, a cold guide pipe 7 arranged around the aluminum inner container 9 is embedded in the glass fiber plate 8, the cold guide pipe 7 is connected with the Stirling cooler, a first glass wool heat insulation layer 6 is arranged on the outer side of the glass fiber plate 8, a polyurethane foam layer 2 is arranged on the outer side of the first glass wool heat insulation layer 6, the cold guide pipe 7 is a red copper cold guide pipe, CO2 or ethane is filled in the cold guide pipe to serve as a refrigerant for conduction, the heat conductivity coefficient of the glass fiber plate 8 is low, and the first glass wool heat insulation layer 6 and the polyurethane foam layer 2 can improve the heat insulation effect greatly.

Specifically, aluminium system inner bag 9 adopts the aluminum alloy support of 1mm thickness, and intensity is enough big, can effectively support the structural strength of low-temperature box, leads cold pipe 7 and adopts closed loop siphon design, and refrigeration effect is good, and glass fiber board 8, the cotton insulating layer of first glass 6 and polyurethane foam layer 2 keep warm to aluminium system inner bag 9 simultaneously, and the cotton insulating layer of first glass 6 will wrap up, and it is effectual to keep warm.

In this embodiment, the outer shell 11 is disposed outside the polyurethane foam layer 2, the outer shell 11 can protect the polyurethane foam layer 2, and the multilayer insulation structure can be tightly pressed together, and the outer shell 11 can be used as a shell of a low-temperature box or can be placed in the low-temperature box.

In this embodiment, the lower side of the sealing cover 3 is provided with a boss 5, the boss 5 is embedded into the upper opening of the refrigerating chamber 1, the boss 5 can enable the sealing cover 3 to be positioned at the upper end of the refrigerating chamber 1, and the boss 5 can improve the sealing effect.

Meanwhile, a second glass wool heat insulation layer 4 is arranged inside the boss 5, and the second glass wool heat insulation layer 4 and the multilayer heat insulation structure on the side wall of the refrigerating cavity 1 can effectively insulate the inside of the refrigerating cavity 1.

The downside of sealed lid 3 be close to the position on edge and be provided with round seal groove 10, seal groove 10 embedded be provided with the sealing strip, can further improve the leakproofness.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used for explaining the relative position relationship between the components in a specific posture (as shown in the drawings), the motion condition, and the like, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims

1. A portable mobile stirling cryoinsulation comprising:

the refrigerator comprises a refrigerating cavity (1), wherein a sealing cover (3) is arranged on the upper side of the refrigerating cavity (1);

cold-stored chamber (1) include aluminium system inner bag (9), parcel setting glass fiber board (8) in aluminium system inner bag (9) outside, glass fiber board (8) in the embedding have lead cold pipe (7) of arranging round aluminium system inner bag (9), lead cold pipe (7) and the cold machine of stirling link to each other, the outside of glass fiber board (8) be provided with first glass cotton insulating layer (6), the outside of first glass cotton insulating layer (6) be provided with polyurethane foam layer (2).

2. A portable mobile stirling cryoinsulation structure according to claim 1 wherein: and a shell (11) is arranged on the outer side of the polyurethane foaming layer (2).

3. A portable, mobile stirling cryo-insulation structure according to claim 1, wherein: the lower side of the sealing cover (3) is provided with a boss (5), and the boss (5) is embedded into the opening at the upper end of the refrigerating cavity (1).

4. A portable, mobile stirling cryo-insulation structure according to claim 3, wherein: and a second glass wool heat insulation layer (4) is arranged in the boss (5).

5. A portable, mobile stirling cryo-insulation structure according to claim 1, wherein: the lower side of the sealing cover (3) is provided with a circle of sealing groove (10) at a position close to the edge, and a sealing strip is embedded into the sealing groove (10).