Lightweight composite thermal insulation board

Abstract

The invention discloses a light composite thermal insulation board, which relates to the technical field of composite thermal insulation boards and comprises a thermal insulation layer and base layers symmetrically distributed on the upper surface and the lower surface of the thermal insulation layer. The bulge structures are uniformly arranged on the base layer and are used for preventing wrinkles according to the thermal expansion degree; the insertion groove is formed in the surface of the heat preservation layer and used for facilitating splicing between the heat preservation layer and the base layer, and the self-adaptive compensation assembly is arranged in the protruding structure and the insertion groove and used for reducing the situation that the heat expansion amount is different due to different materials of the heat preservation layer and the base layer. The heat preservation layer is arranged on the base layer, allowance can be reserved for deformation when the base layer expands, wrinkles generated when the base layer is heated are reduced, meanwhile, the connection strength between the base layer and the heat preservation layer is further improved, and therefore obvious dislocation between the base layer and the heat preservation layer is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of composite thermal insulation board, in particular to a light composite thermal insulation board. BACKGROUND

[0002] Light composite thermal insulation board is a new type of building material, which has been widely used in the field of construction due to its light weight, high strength, thermal insulation, fireproofing, soundproofing and other properties. The light composite thermal insulation board is a composite board composed of two surface layer materials and an intermediate thermal insulation material. The surface layer material can be made of rigid material or non-rigid material. The rigid material includes metal sheet material, fiber cement board, and non-metal sheet material. The non-rigid material includes aluminum foil and polymer film. The thermal insulation material can be made of polystyrene foam, polyurethane foam, and rock wool. When the surface layer is made of non-rigid material, these materials usually have waterproof, moisture-proof, and weather-resistant functions. The light composite thermal insulation board with non-rigid material as the surface layer material is more commonly used in decorative walls to meet the appearance requirements of buildings and improve the aesthetic appearance.

[0003] In the prior art, when the light composite thermal insulation board with non-rigid material as the surface layer material is used, whether it is installed indoors or outdoors, it forms a thermal insulation structure to isolate temperature. Therefore, when the surface of the thermal insulation board is heated, the heat will first contact the surface layer structure. Since the surface layer material and the thermal insulation layer material are different, there is a difference in the thermal expansion coefficient between them, which causes the expansion amount of the surface layer and the thermal insulation layer to be different when the temperature is transferred to the thermal insulation layer. The surface layer and the thermal insulation layer are fixed by using adhesive. When the expansion amounts are different, the connection strength between the surface layer and the thermal insulation layer may be reduced, causing the surface layer to form wrinkles on the surface of the thermal insulation layer.

[0004] In view of the above problems, it is necessary to innovate and design on the basis of the original light composite thermal insulation board. SUMMARY

[0005] The technical solution of the present application provides a significantly different solution from the prior art to solve the problem of the prior art solution being too single. Specifically, the purpose of the present application is to provide a light composite thermal insulation board to solve the problem of the expansion amount being different, which may reduce the connection strength between the surface layer and the thermal insulation layer, and cause the surface layer to form wrinkles on the surface of the thermal insulation layer.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a light composite thermal insulation board, comprising a thermal insulation layer and a base layer symmetrically distributed on the upper and lower surfaces of the thermal insulation layer, further comprising a protruding structure uniformly arranged on the base layer to prevent wrinkles according to the expansion degree under heat, a slot opened on the surface of the thermal insulation layer to facilitate splicing between the thermal insulation layer and the base layer, and an adaptive compensation component arranged inside the protruding structure and the slot to reduce the different heat expansion amounts of the thermal insulation layer and the base layer caused by different materials. The inner wall of the slot is provided as a conical surface structure.

[0007] Preferably, the protruding structure is provided as a spherical surface structure, and the protruding structure and the slot are correspondingly arranged.

[0008] Preferably, the adaptive compensation component comprises a positioning column arranged inside the slot, the inner wall of the protruding structure is fixed with a compensation air bag matched therewith, and the compensation air bag is wrapped and fixed at one end of the positioning column, the other end of the positioning column is provided with an annular groove inside the slot, and the inner wall of the positioning column is provided with an air groove.

[0009] Preferably, one end of the positioning column is matched with one end of the slot, and the positioning column and the thermal insulation layer are both made of polystyrene material.

[0010] Preferably, the compensation air bag is made of polyolefin material, and the interiors of the compensation air bag, the air groove and the annular groove are all filled with inert gas.

[0011] Preferably, one end of the air groove is in communication with the interior of the compensation air bag, and the other end of the air groove is in communication with the annular groove.

[0012] Preferably, the annular inflation film is made of polyethylene material, and the outer edge of the annular inflation film is aligned with the outer edge of the positioning column.

[0013] Compared with the prior art, the present application has the following beneficial effects: (1) When the thermal insulation board is used, the base layer will expand under heat, and the change trend during expansion is that the base layer stretches to the surrounding, and the compensation air bag shrinks after being heated. Since the base layer expands under heat, and the protruding structure and the adaptive compensation component are uniformly arranged, when the base layer starts to expand and the compensation air bag starts to shrink, the shrinkage of the compensation air bag will produce a small amount of resistance to the expansion of the protruding structure, and the protruding structure with spherical surface structure can leave a margin for the deformation of the base layer during expansion, thereby reducing wrinkles of the base layer under heat. (2) The positioning column is inserted into the insertion slot when the base layer is spliced with the heat preservation layer, so that the connection strength between the base layer and the heat preservation layer can be improved, and when the compensation air bag shrinks, the inert gas in the compensation air bag can be extruded into the annular groove through the gas groove. Because the shrinkage force of the compensation air bag when heated is greater than the elastic deformation force of the annular inflation film, the inert gas can make the annular inflation film expand, and the expanded annular inflation film can further improve the connection strength between the base layer and the heat preservation layer when abutting against the inner wall of the insertion slot, so that obvious misalignment between the base layer and the heat preservation layer is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of the present application; Figure 2 is a plan view of the present application; Figure 3 is an exploded view of the present application; Figure 4 is a perspective view of the adaptive compensation assembly of the present application; Figure 5 is a sectional view of the present application; Figure 6 is an enlarged view of A in the present application. Figure 5

[0015] In the figure: 1, heat preservation layer; 2, base layer; 3, protruding structure; 4, insertion slot; 5, positioning column; 6, compensation air bag; 7, annular groove; 8, gas groove; 9, annular inflation film. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0017] Please refer to Figures 1 to 6 The present application provides a technical solution: a light composite thermal insulation board, comprising a heat preservation layer 1 and base layers 2 symmetrically distributed on the upper and lower surfaces of the heat preservation layer 1, further comprising protruding structures 3 uniformly arranged on the base layers 2 to prevent wrinkles according to the expansion degree when heated, insertion slots 4 opened on the surface of the heat preservation layer 1 to facilitate splicing between the heat preservation layer 1 and the base layers 2, and adaptive compensation assemblies arranged inside the protruding structures 3 and the insertion slots 4 to reduce the different thermal expansion amounts of the heat preservation layer 1 and the base layers 2 caused by different materials. The inner wall of the insertion slot 4 is provided with a conical surface structure.

[0018] ​It should be noted that the prior art between the thermal insulation layer 1 and the base layer 2 is fixed by adhesive The convex structure 3 is provided as a spherical structure, and the convex structure 3 is provided in correspondence with the slot 4.

[0019] It should be noted that the inner side of the convex structure 3 is a concave structure, so that the thickness of the convex structure 3 is the same as the thickness of the base layer 2, and the convex structure 3 and the slot 4 are uniformly distributed and correspondingly arranged.

[0020] The adaptive compensation assembly includes a positioning column 5 arranged inside the slot 4, the inner wall of the convex structure 3 is fixed with a compensation air bag 6 matched therewith, and the compensation air bag 6 is wrapped and fixed at one end of the positioning column 5, the other end of the positioning column 5 is provided with an annular groove 7 inside the slot 4, and the inside of the positioning column 5 is provided with a gas groove 8, and the inner wall of the annular groove 7 is fixed with an annular inflation film 9.

[0021] It should be noted that the top arc surface of the compensation air bag 6 is fixed to the inner wall of the convex structure 3.

[0022] One end of the positioning column 5 is matched with one end of the slot 4, and the positioning column 5 and the thermal insulation layer 1 are both made of polystyrene material.

[0023] It should be noted that the positioning column 5 and the thermal insulation layer 1 are made of the same material, so that the expansion deformation of the thermal insulation layer 1 when heated is synchronized with the positioning column 5, and the adaptability of the positioning column 5 and the thermal insulation layer 1 is ensured.

[0024] The compensation air bag 6 is made of polyolefin material, and the inside of the compensation air bag 6, the gas groove 8 and the annular groove 7 is filled with inert gas.

[0025] It should be noted that the polyolefin material has the properties of softness, flame retardance, insulation, corrosion resistance and thermal shrinkage reduction, so that the compensation air bag 6 shrinks after being heated, and the inert gas in the compensation air bag 6 is not affected by temperature.

[0026] One end of the gas groove 8 communicates with the inside of the compensation air bag 6, and the other end of the gas groove 8 communicates with the annular groove 7.

[0027] It should be noted that the compensation air bag 6 can extrude the inert gas in the inside through the gas groove 8 into the annular groove 7 when it shrinks.

[0028] The annular inflation film 9 is made of polyethylene material, and the outer edge of the annular inflation film 9 is aligned with the outer edge of the positioning column 5.

[0029] It should be noted that the annular inflation film 9 can significantly expand under gas pressure, and is not sensitive to temperature and is not affected by temperature.

[0030] Working principle: first, the thermal insulation layer 1 and base layer 2 are spliced, and the positioning column 5 of each adaptive compensation assembly is inserted into the slot 4 on the outer wall of the thermal insulation layer 1 during splicing. The positioning column 5 and the port of the slot 4 fit together, and the area of the base layer 2 except the protruding structure 3 is spliced on the outer wall of the thermal insulation layer 1 by adhesive. Since the upper and lower surfaces of the thermal insulation layer 1 are spliced with the base layer 2, when the thermal insulation plate is installed and used, whether it is installed indoors or outdoors, the two base layers 2 of the thermal insulation layer 1 may be expanded by heat. When the base layer 2 expands to varying degrees by heat, the adaptive compensation assembly will adaptively change.

[0031] Then, when the base layer 2 is heated, the base layer 2 itself will expand. The change trend when expanding is that the base layer 2 stretches to all directions. The compensation air bag 6 is made of polyolefin material, which has the properties of softness, flame retardance, insulation, corrosion resistance and thermal shrinkage restoration. Therefore, the compensation air bag 6 shrinks after being heated. Since the base layer 2 expands by heat, and the protruding structure 3 and the adaptive compensation assembly are uniformly arranged.

[0032] When the base layer 2 starts to expand and the compensation air bag 6 starts to shrink, since the top arc surface of the compensation air bag 6 is fixed on the inner wall of the protruding structure 3, the shrinkage of the compensation air bag 6 will slightly resist the expansion of the protruding structure 3, and the spherical protruding structure 3 can leave a margin for the deformation of the base layer 2 when it expands, thereby reducing the wrinkles of the base layer 2.

[0033] Secondly, when the base layer 2 is spliced with the thermal insulation layer 1 by inserting the positioning column 5 into the slot 4, the connection strength between the base layer 2 and the thermal insulation layer 1 can be improved. When the compensation air bag 6 shrinks, the inert gas inside the compensation air bag 6 can be squeezed into the annular groove 7 through the gas groove 8. Since the shrinkage force of the compensation air bag 6 is greater than the elastic deformation force of the annular inflation film 9 when it is heated, the inert gas will make the annular inflation film 9 expand. The expanded annular inflation film 9 will then resist the inner wall of the slot 4. Since the slot 4 is a conical structure, the connection strength between the base layer 2 and the thermal insulation layer 1 is further improved when the annular inflation film 9 resists the inner wall of the slot 4, thereby avoiding obvious misalignment between the base layer 2 and the thermal insulation layer 1. When the base layer 2 is not heated, the compensation air bag 6 and the annular inflation film 9 start to recover the deformation by using the restoration property of the compensation air bag 6.

[0034] Finally, the positioning column 5 and the thermal insulation layer 1 are made of the same material, which is to synchronize the expansion deformation of the thermal insulation layer 1 when it is heated with the positioning column 5, and to ensure the adaptability of the positioning column 5 and the thermal insulation layer 1. The annular inflation film 9 can expand significantly under gas pressure and is not sensitive to temperature.

[0035] Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified, or some of the technical features can be replaced by equivalent features, by those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lightweight composite thermal insulation board, comprising an insulation layer (1) and a base layer (2) symmetrically distributed on its upper and lower surfaces, characterized in that: It also includes a raised structure (3) uniformly arranged on the base layer (2) to prevent wrinkles according to the degree of thermal expansion, a slot (4) opened on the surface of the insulation layer (1) to facilitate splicing between the insulation layer (1) and the base layer (2), and an adaptive compensation component set inside the raised structure (3) and the slot (4) to reduce the difference in thermal expansion caused by the different materials of the insulation layer (1) and the base layer (2); The inner wall of the slot (4) is configured as a conical structure.

2. The lightweight composite thermal insulation board according to claim 1, characterized in that: The protrusion structure (3) is set as a spherical structure, and the protrusion structure (3) is set in correspondence with the slot (4).

3. The lightweight composite thermal insulation board according to claim 1, characterized in that: The adaptive compensation component includes a positioning post (5) disposed inside the slot (4), a compensation airbag (6) that fits the inner wall of the protrusion structure (3), and the compensation airbag (6) is wrapped and fixed to one end of the positioning post (5). The other end of the positioning post (5) is provided with an annular groove (7) on the inner side of the slot (4). An air groove (8) is provided inside the positioning post (5), and an annular blown membrane (9) is fixed to the inner wall of the annular groove (7).

4. The lightweight composite thermal insulation board according to claim 3, characterized in that: One end of the positioning post (5) fits into one end of the slot (4), and both the positioning post (5) and the insulation layer (1) are made of polystyrene.

5. The lightweight composite thermal insulation board according to claim 3, characterized in that: The compensation airbag (6) is made of polyolefin material, and the interior of the compensation airbag (6), the air groove (8) and the annular groove (7) are all filled with inert gas.

6. The lightweight composite thermal insulation board according to claim 3, characterized in that: One end of the air groove (8) is connected to the inside of the compensation airbag (6), and the other end of the air groove (8) is connected to the annular groove (7).

7. The lightweight composite thermal insulation board according to claim 3, characterized in that: The annular blown membrane (9) is made of polyethylene, and the outer edge of the annular blown membrane (9) is aligned with the outer edge of the positioning post (5).

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