Composite thermal insulation layer and shelter temperature control bulkhead structure formed by composite thermal insulation layer

By installing a composite insulation layer of flame-retardant boards, extruded polystyrene boards, metal frames, and polyurethane foam on the bulkhead of the modular shelter, combined with protective, cushioning, and interior layers, the thermal insulation problem of the modular shelter under extreme temperatures is solved, achieving thermal insulation and fire resistance over a wider temperature range.

CN224048420UActive Publication Date: 2026-03-27SICHUAN BAFANGYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The insulation layer of existing mobile shelters cannot adapt to extreme temperature changes and cannot provide independent heating or cooling in the field, resulting in poor insulation performance.

Method used

It adopts a composite insulation layer structure of flame-retardant board, extruded board, metal cavity frame and polyurethane foam, combined with protective layer, buffer layer and interior layer to form a multi-layer structure to enhance heat insulation and fire resistance.

Benefits of technology

It achieves effective thermal insulation over a wide temperature range and maintains a comfortable temperature inside the cabin even in extreme environments, while possessing good fire resistance and structural strength.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shelter equipment, in particular to a composite heat preservation layer and a shelter temperature control bulkhead structure formed by the composite heat preservation layer, and the composite heat preservation layer is a composite structure formed by a flame-retardant plate, an extruded sheet, a metal cavity frame, an extruded sheet and a flame-retardant plate in sequence. A metal cavity frame is arranged between the two layers of extruded sheets, a honeycomb core structure is arranged in the metal cavity frame, and a plurality of cavities are formed. The shelter temperature control bulkhead structure formed by the composite heat preservation layer comprises a shelter bulkhead, and the shelter bulkhead is sequentially provided with a protection layer, a buffer layer, the composite heat preservation layer and an interior decoration layer from the outside to the inside of the shelter; the protective layer is of a rigid metal structure; the buffer layer is of an elastic rubber structure; at least one layer of extruded sheet is arranged in the composite thermal insulation layer; and a sealing cabin door is also arranged on the cabin wall of the square cabin. According to the utility model, the technical problem of heat insulation and heat preservation of the shelter under a larger temperature range change is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to square cabin equipment technical field, specifically, relate to a composite insulating layer and the square cabin temperature control bulkhead structure formed by it. BACKGROUND

[0002] The square cabin is a kind of modular, can be quickly deployed box type functional unit, with standardization structure, flexible combination and strong environmental adaptability etc., can be folded into box type unit and be transported conveniently, after reaching field environment, can be quickly unfolded and installed, and carries out quick deployment, and the square cabin interior also is provided with basic supply facilities, is widely used in military, medical, emergency etc.

[0003] In prior art, square cabin is arranged in harsh field environment, day and night temperature difference is big, and there are more external collision objects, when encountering excessively high or excessively low environmental temperature, square cabin needs to ensure the normal life of personnel in square cabin, therefore, generally, temperature insulation layer is arranged in square cabin, for isolating temperature inside and outside square cabin, but the temperature isolation range of present temperature insulation layer is small, cannot adapt to extreme temperature, and square cabin located in field environment also cannot independently heat or cool, thus a square cabin bulkhead structure with greater heat preservation range is required.

[0004] The patent with the name "a honeycomb panel special for square cabin with multi-layer structure" and the announcement number CN204076944U has been disclosed, and the utility model patent includes upper panel, lower panel and honeycomb interlayer, wherein, the upper panel, honeycomb interlayer and lower panel are sequentially connected;The honeycomb interlayer includes at least two honeycomb cores and at least one middle panel, and the middle panel is located between the honeycomb cores.The utility model has better flame retardance, and can better insulate and keep warm.

[0005] Although the utility model can utilize honeycomb interlayer to keep warm and insulate, honeycomb core still transfers heat to upper and lower panels through its panel surface, cannot effectively insulate, and after absorbing too much heat, heat will still be transferred from one end panel of honeycomb core to another end panel of honeycomb core, and the heat insulation effect is poor. UTILITY MODEL CONTENT

[0006] The purpose of the present application is to provide a composite insulating layer and a square cabin temperature control bulkhead structure formed by it, which solves the technical problem of square cabin heat insulation under greater temperature range change.

[0007] In order to solve the above technical problems, the scheme adopted by the present application is as follows:

[0008] A composite insulating layer, comprising flame-retardant plate, extruded plate and metal cavity frame.

[0009] Preferably, the composite insulating layer is sequentially arranged as a composite structure of flame-retardant plate, extruded plate, metal cavity frame, extruded plate and flame-retardant plate.

[0010] Preferably, a metal cavity frame is arranged between the two extruded plates, and the metal cavity frame is arranged as a honeycomb core structure to form a plurality of cavities.

[0011] Preferably, the plurality of cavities are further filled with polyurethane foam of different densities.

[0012] Preferably, the two extruded plates are arranged between two fireproof plates.

[0013] Preferably, a shelter temperature control bulkhead structure comprises a shelter bulkhead formed by a composite thermal insulation layer.

[0014] Preferably, the shelter bulkhead is sequentially provided with a protective layer, a buffer layer, a composite thermal insulation layer, and an interior decoration layer from outside to inside.

[0015] Preferably, the protective layer is a rigid metal structure.

[0016] Preferably, the buffer layer is arranged as an elastic rubber structure.

[0017] Preferably, the composite thermal insulation layer comprises at least one extruded plate.

[0018] Preferably, the shelter bulkhead is further provided with a sealed cabin door.

[0019] Preferably, a fireproof plate is arranged between the extruded plate and the buffer layer.

[0020] Preferably, a fireproof plate is also arranged between the extruded plate and the interior decoration layer.

[0021] Preferably, the protective layer comprises a metal plate.

[0022] Preferably, the metal plate is arranged outside the buffer layer, and the outer plate surface of the metal plate is provided with a plurality of uniformly arranged trapezoidal cavity frames which are trapezoidal hollow structures.

[0023] Preferably, the inner plate surface of the metal plate is provided with a plurality of uniformly arranged vertical plates, and the plate surface of the vertical plate is perpendicular to the plate surface of the metal plate.

[0024] Preferably, the vertical plate penetrates through the outermost fireproof plate of the buffer layer and the composite thermal insulation layer, and abuts against the plate surface of the extruded plate closest to the outside of the shelter.

[0025] Preferably, the interior decoration layer is further provided with a rib frame located on the inner wall surface of the entire shelter bulkhead.

[0026] Preferably, the interior decoration layer is located at the innermost layer of the shelter bulkhead, and the interior decoration layer is arranged as a wood fiber plate.

[0027] The technical scheme of the present application has at least the following advantages and beneficial effects:

[0028] The utility model discloses, through setting up the composite heat preservation cabin bulkhead structure of protective layer-buffer layer-composite heat preservation layer - interior trim layer, make the square cabin can be set up for a long time under the bad environment of open country, and utilize at least one layer's extruded sheet of composite heat preservation layer, carry out effective heat preservation and heat insulation,

[0029] The utility model discloses, through setting up the composite heat preservation layer structure of fire -retardant plate-extruded sheet - metal cavity frame - extruded sheet - fire -retardant plate, improve square cabin rigidity and utilize extruded sheet temperature insulation, can also utilize fire -retardant plate effectively cut off the combustion of square cabin inside and outside, avoid extruded sheet combustion and lose the heat insulation function. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the structure schematic diagram of the utility model.

[0031] Figure 2 It is the sectional structure schematic diagram of the utility model.

[0032] Figure 3 It is the enlarged structure schematic diagram in the utility model Figure 2 .

[0033] Figure 4 It is the structure schematic diagram of the square cabin bulkhead inside in the utility model.

[0034] In the drawing: 1-square cabin bulkhead, 2-protective layer, 201-metal plate, 202-stand plate, 203-trapezoidal cavity board, 3-buffer layer, 4-composite heat preservation layer, 401-fire -retardant plate, 402-extruded sheet, 403-metal cavity frame, 404-polyurethane foam, 5-interior trim layer, 6-joist, 7-sealing cabin door. DETAILED DESCRIPTION

[0035] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0036] It should be noted that similar reference numerals and letters refer to like items in the accompanying drawings, and once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. The terms "center", "upper", "lower", "inner", "outer", and the like, which indicate the orientation or position as shown in the drawings, or which are typically used in the products of the application, are used only to facilitate the description of the application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. It should also be noted that unless otherwise specifically defined and limited, the terms "provided", "mounted", "connected" should be broadly understood, for example, it can be fixedly connected, or detachably connected, or integrally connected, it can be mechanically connected, or electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0037] Embodiment 1

[0038] Please refer to Figures 1-4 The utility model provides a compound heat preservation layer and the square cabin temperature control cabin wall structure which is constituted, including whole square cabin cabin wall 1, in order to carry out heat preservation temperature control to square cabin inside, therefore each cabin wall surface of square cabin needs to be provided as heat preservation structure.

[0039] Among them, square cabin cabin wall 1 is provided with protection layer 2-cushioning layer 3-compound heat preservation layer 4-interior trim layer 5 in proper order from cabin outside to cabin inside.

[0040] Protection layer 2 is metal structure, provides rigid protection for square cabin cabin wall 1 outside, avoids the damage when square cabin is transported or placed.

[0041] Cushioning layer 3 is provided as elastic rubber structure, provides cushioning protection between compound heat preservation layer 4 and protection layer 2, because square cabin is generally set in field environment, when falling object, falling object collides to square cabin outer wall in field, protection layer 2 can collide and deform, at this time, cushioning layer 3 can buffer external impact force on one hand, and can follow the elastic deformation of protection layer 2 to deform, thereby reducing the damage of external collision to compound heat preservation layer 4 inside square cabin cabin wall 1, leading to heat preservation failure.

[0042] Compound heat preservation layer 4 is provided with at least one extruded sheet 402, extruded sheet 402 is existing structure, it is a kind of hard foam plastic sheet material with polystyrene resin as main raw material, by high temperature and high pressure extrusion forming, with low thermal conductivity, high compressive strength.Extruded sheet 402 board can be heat preservation and moisture resistance, to insulate the heat transfer between square cabin cabin wall 1 inside and outside.

[0043] The inner decoration layer 5 is the innermost layer of the shelter wall 1 and is located in the shelter space. The inner decoration layer 5 is provided as a layer of wood fiberboard. The wood fiberboard is of an existing structure and is formed by interweaving wood cellulose fibers. The wood fiberboard has pores therein, and has certain heat insulation and sound absorption properties. The pore structure can also adsorb impurities, thereby purifying air and improving the comfort of the interior decoration.

[0044] In addition, a sealed cabin door 7 is further provided on the entire shelter wall 1 to provide a sealing effect for the inside and outside of the shelter and to isolate the temperature at the cabin door.

[0045] Embodiment 2

[0046] Please refer to Figure 3 and Figure 4 In this embodiment, in order to improve the structural strength of the composite thermal insulation layer 4 and its thermal insulation efficiency, the composite thermal insulation layer 4 includes a fireproof board 401, an extruded board 402, a metal cavity frame 403, and a polyurethane foam 404.

[0047] The composite thermal insulation layer 4 is provided in a composite structure of the fireproof board 401-extruded board 402-metal cavity frame 403-extruded board 402-fireproof board 401.

[0048] Specifically, the metal cavity frame 403 is fixedly bonded between the two extruded boards 402, and supports the composite thermal insulation layer 4 of the shelter wall 1 to improve the structural strength. The metal cavity frame 403 is provided in a honeycomb core structure and forms a plurality of cavities. When sound passes through the shelter wall 1 from the inside and outside of the shelter, the sound waves will be transmitted into the plurality of cavities of the metal cavity frame 403 to resonate, thereby absorbing part of the sound waves and reducing the transmission of sound for sound insulation.

[0049] In addition, the cavities are filled with polyurethane foam 404 of different densities. The polyurethane foam 404 is an existing material and is a high molecular polymer formed by high-pressure foaming. Due to foaming, the interior thereof is a porous structure. The porous structure can further absorb the sound waves remaining in the cavities of the metal cavity frame 403 to further reduce the transmission of sound. The polyurethane foam 404 of different densities filled in the cavities can absorb sound waves of different frequencies by the difference in pore density under different densities.

[0050] Further, the two-layer extruded board 402 is also wrapped between the two layers of fire-retardant boards 401, and the fire-retardant boards 401 are added with fire retardants and will not burn, so as to isolate the flame outside and inside the shelter when the fire burns outside and inside the shelter, and avoid the flame igniting the flammable extruded board 402 (the extruded board 402 is the flammable polyurethane foam 404). Among them, the fire-retardant board 401 close to the outside of the shelter is used to isolate the extruded board 402 and the rubber structure (the buffer layer 3), and isolate the flame outside the shelter, and the fire-retardant board 401 close to the inside of the shelter is used to isolate the extruded board 402 and the wood fiber board (the interior layer 5), and isolate the flame inside the shelter.

[0051] It is worth noting that the fire-retardant board is provided as a glass-magnesium fire-retardant board or a gypsum fire-retardant board, has good fireproof performance (B1 level fireproof standard), is resistant to high temperature and not easy to burn, and can effectively block the fire source.

[0052] Embodiment 3

[0053] In order to improve the overall structural strength of the shelter wall 1, the protective layer 2 of the metal structure includes a metal plate 201, a vertical plate 202, and a trapezoidal cavity plate 203.

[0054] Specifically, the metal plate 201 is bonded and fixed outside the buffer layer 3, and a plurality of uniformly arranged trapezoidal cavity frames are fixed on the outer plate surface of the metal plate 201. The trapezoidal cavity frame utilizes its trapezoidal hollow structure to form a layer of buffer cavity on the surface of the metal plate 201, so that the external impact force is preferentially applied to the trapezoidal cavity frame, and the impact force is dispersed by the trapezoidal surface, thereby reducing the impact force on the surface of the metal plate 201 and improving the structural strength.

[0055] In addition, a plurality of uniformly arranged vertical plates 202 are vertically fixed on the inner plate surface of the metal plate 201, the vertical plates 202 pass through the buffer layer 3 and the outermost fire-retardant board 401 of the composite thermal insulation layer 4, and abut against the extruded board 402 of the outermost layer (the extruded board 402 is a hard plate surface structure and can provide support). In the normal situation of the installation and placement of the shelter, the entire protective layer 2 abuts against the extruded board 402 of the composite thermal insulation layer 4 to provide hard support. When subjected to external impact, under a small impact force, the impact force will only cause the trapezoidal cavity frame to deform; under a large impact force, the impact force will be transmitted to the vertical plate 202, causing the vertical plate 202 perpendicular to the plate surface of the metal plate 201 to be skewed, so that the vertical plate 202 loses the supporting effect, thereby allowing the plate surface of the metal plate 201 to act on the buffer layer 3, and the deformation of the buffer layer 3 is used to buffer and offset the continued transmission of the impact force, so as to avoid the loss of the thermal insulation effect of the composite thermal insulation layer 4.

[0056] Further, the interior layer 5 inside the shelter is also fixedly provided with a rib frame 6, the rib frame 6 fastens the inner wall of the entire shelter, provides rigid support for the inside of the shelter, and improves the structural strength.

[0057] It is worth mentioning that the protection layer 2, the buffer layer 3, the composite thermal insulation layer 4 and the interior decoration layer 5 in the shelter cabin wall 1 are bonded and fixed together through polyurethane adhesive between each other and between each board surface in each layer, the polyurethane adhesive is the existing material, which has relatively wide bonding applicability, such as can maintain excellent chemical bonding effect between porous materials such as foam, plastic and wood, or between smooth surface materials such as metal, glass and rubber, therefore, chemical bonding and fixing can be realized between steel structure and rubber (the protection layer 2 and the buffer layer 3), between rubber and plastic (the buffer layer 3 and the composite thermal insulation layer 4), between plastic and steel structure (in the composite thermal insulation layer 4), and between plastic and wood (the composite thermal insulation layer 4 and the interior decoration layer 5). Moreover, the polyurethane adhesive also has resistance to high and low temperature, and is suitable for harsh outdoor environment with large temperature difference.

[0058] So far, the embodiments of the present application have been described in detail. In order to avoid obscuring the concept of the present application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions of the present application according to the above description, and the scope of the present application is defined by the appended claims.

Claims

1. A composite thermal insulation layer, characterized in that; The composite thermal insulation layer (4) comprises a fireproof board (401), an extruded board (402), and a metal cavity frame (403); The composite thermal insulation layer (4) is sequentially arranged in the composite structure of the fireproof board (401), the extruded board (402), the metal cavity frame (403), the extruded board (402), and the fireproof board (401); The metal cavity frame (403) is arranged between the two layers of the extruded board (402), and the metal cavity frame (403) is arranged in a honeycomb core structure to form a plurality of cavities.

2. A composite thermal barrier layer as claimed in claim 1, characterised in that The plurality of cavities are also filled with polyurethane foam (404) of different densities.

3. A composite thermal barrier layer as claimed in claim 1, wherein The two layers of the extruded board (402) are arranged between the two layers of the fireproof board (401).

4. A shelter temperature controlled bulkhead structure comprising a shelter bulkhead (1), characterized in that A composite thermal insulation layer is formed by using any one of claims 1-3; The shelter wall (1) is sequentially provided with a protective layer (2), a buffer layer (3), a composite thermal insulation layer (4), and an interior decoration layer (5) from outside to inside of the shelter; The protective layer (2) is a rigid metal structure; The buffer layer (3) is arranged in an elastic rubber structure; The composite thermal insulation layer (4) comprises at least one layer of extruded board (402); The shelter wall (1) is also provided with a sealed cabin door (7).

5. A shelter temperature control bulkhead structure as claimed in claim 4, wherein, A layer of fireproof board (401) is arranged between the extruded board (402) and the buffer layer (3); A layer of fireproof board (401) is also arranged between the extruded board (402) and the interior decoration layer (5).

6. A shelter temperature control bulkhead structure as claimed in claim 4, wherein, The protective layer (2) comprises a metal plate (201); The metal plate (201) is arranged outside the buffer layer (3), and the outer plate surface of the metal plate (201) is provided with a plurality of uniformly arranged trapezoidal cavity frames which are trapezoidal hollow structures.

7. A shelter temperature control bulkhead structure as claimed in claim 6, wherein, A plurality of uniformly arranged vertical plates (202) are arranged on the inner plate surface of the metal plate (201), and the plate surface of the vertical plate (202) is perpendicular to the plate surface of the metal plate (201). The vertical plate (202) penetrates through the outermost fireproof board (401) of the buffer layer (3) and the composite thermal insulation layer (4), and abuts against the plate surface of the outermost extruded board (402) close to the outside of the shelter.

8. A shelter temperature control bulkhead structure as claimed in claim 4, wherein, The interior decoration layer (5) is also provided with a rib frame (6) located on the inner wall surface of the entire shelter wall.

9. A shelter temperature control bulkhead structure as claimed in claim 4, wherein, The interior decoration layer (5) is located at the innermost layer of the shelter wall (1), and the interior decoration layer (5) is arranged in a wood fiber board.

Citation Information

Patent Citations

  • Special honeycomb plate for multi-interlayer structure shelter

    CN204076944U