Insulation board

By setting up a layered structure of insulation, vibration damping and protective layers in the insulation board, and combining it with reinforcing ribs and low thermal conductivity materials, the problem of poor insulation performance of existing insulation boards is solved, and better heat insulation and reduced building energy consumption are achieved.

CN224063702UActive Publication Date: 2026-03-31SHENZHEN ZITIANJIAO NEW MATERIALS TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing insulation boards have poor insulation performance and cannot effectively block heat transfer, leading to increased building energy consumption.

Method used

Design an insulation board structure including an insulation layer, a vibration damping layer, and a protective layer, arranged sequentially from the inside out. The insulation layer has the largest thickness, followed by the vibration damping layer and the protective layer. A reinforcing structure is provided on the outer surface of the protective layer. Low thermal conductivity materials and high-strength metal plates are used, combined with a mesh vibration damping layer and reinforcing ribs to enhance structural stability.

Benefits of technology

It improves the thermal insulation performance of the insulation board, effectively blocks heat transfer, reduces building energy consumption, extends service life, and provides multiple protections such as waterproofing, fireproofing, and UV resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an insulation board, and relates to the technical field of insulation materials. The heat preservation plate comprises a heat preservation layer, a vibration reduction layer and a protection layer, the heat preservation layer is sleeved with the vibration reduction layer, the vibration reduction layer is sleeved with the protection layer, and a reinforcing structure is arranged on the outer surface of the protection layer; the thickness of the heat preservation layer is larger than that of the protection layer and larger than that of the vibration reduction layer. According to the technical scheme, the heat preservation performance of the heat preservation plate is improved.
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Description

Technical Field

[0001] This utility model relates to the field of thermal insulation materials technology, and in particular to a thermal insulation board. Background Technology

[0002] In response to the demand for building energy conservation, insulation boards are widely used in the construction industry, playing a significant role in reducing building energy consumption and protecting the environment. However, many insulation boards currently used in the construction industry suffer from poor insulation performance.

[0003] Existing insulation boards have limited insulation performance and cannot effectively block heat transfer. That is, they cannot effectively prevent indoor heat loss in cold weather, nor can they effectively block the entry of external heat in hot weather, leading to increased building energy consumption. Utility Model Content

[0004] The main purpose of this utility model is to propose an insulation board that aims to improve the insulation performance of the insulation board.

[0005] To achieve the above objectives, the insulation board proposed in this utility model includes:

[0006] Insulation layer;

[0007] A vibration damping layer is fitted over the outside of the insulation layer; and,

[0008] A protective layer is fitted over the outside of the vibration damping layer, and the outer surface of the protective layer is provided with a reinforcing structure;

[0009] The thickness of the insulation layer is greater than the thickness of the protective layer and also greater than the thickness of the vibration damping layer.

[0010] In one embodiment, the thermal conductivity of the insulation layer is less than or equal to 0.03 W / (m·K).

[0011] In one embodiment, the thickness of the insulation layer is greater than or equal to 5 cm and less than or equal to 10 cm.

[0012] In one embodiment, the protective layer is configured as a metal plate with a thickness greater than or equal to 0.5 mm and less than or equal to 1 mm.

[0013] In one embodiment, the reinforcing structure includes a first reinforcing rib and a second reinforcing rib, which are arranged intersectingly.

[0014] In one embodiment, the cross-sectional shape of the reinforcing structure is trapezoidal.

[0015] In one embodiment, the height of the reinforcing structure is greater than or equal to 2 mm and less than or equal to 3 mm.

[0016] In one embodiment, the damping layer has a mesh structure.

[0017] In one embodiment, the damping layer is configured as glass fiber.

[0018] In one embodiment, the insulation board is provided in multiple forms, and the insulation board further includes:

[0019] The connection structure includes protrusions and grooves disposed along the periphery of the protective layer, wherein the groove of one insulation board matches the protrusion of the other insulation board.

[0020] The technical solution of this utility model embodiment involves setting an insulation layer, a vibration damping layer, and a protective layer on an insulation board. The vibration damping layer is fitted over the insulation layer, and the protective layer is fitted over the vibration damping layer. The outer surface of the protective layer has a reinforcing structure. The thickness of the insulation layer is greater than the thickness of the protective layer, and also greater than the thickness of the vibration damping layer. Compared to existing insulation boards formed by stacking layers, this utility model's technical solution sequentially sets the insulation layer, vibration damping layer, and protective layer from the inside out, while ensuring that the thickness of the insulation layer is greater than the thickness of both the protective layer and the vibration damping layer. This ensures that the insulation layer can effectively block heat transfer, thereby improving the insulation performance of the insulation board. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the structure of an embodiment of the insulation board provided by this utility model;

[0023] Figure 2 for Figure 1 A cross-sectional view of an embodiment of the thermal insulation board;

[0024] Figure 3 for Figure 1 A schematic diagram of the structure of an embodiment of the thermal insulation board from another perspective;

[0025] Figure 4 A schematic diagram of another embodiment of the insulation board provided by this utility model.

[0026] Explanation of icon numbers:

[0027] 100. Insulation board; 110. Insulation layer; 120. Vibration damping layer; 130. Protective layer;

[0028] 200. Reinforcing structure; 210. First reinforcing rib; 220. Second reinforcing rib;

[0029] 310, protrusion; 320, groove; 330, anchor bolt hole.

[0030] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0032] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0033] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0034] In response to the demand for building energy conservation, insulation boards are widely used in the construction industry, playing a significant role in reducing building energy consumption and protecting the environment. However, many insulation boards currently used in the construction industry suffer from poor insulation performance.

[0035] Existing insulation boards have limited insulation performance and cannot effectively block heat transfer. That is, they cannot effectively prevent indoor heat loss in cold weather, nor can they effectively block the entry of external heat in hot weather, leading to increased building energy consumption.

[0036] This utility model proposes an insulation board to improve the insulation performance of the insulation board.

[0037] Please see Figure 1 and Figure 2 In one embodiment, the insulation board 100 includes an insulation layer 110, a vibration damping layer 120, and a protective layer 130. The vibration damping layer 120 is sleeved on the outside of the insulation layer 110; the protective layer 130 is sleeved on the outside of the vibration damping layer 120, and the outer surface of the protective layer 130 is provided with a reinforcing structure 200; wherein, the thickness of the insulation layer 110 is greater than the thickness of the protective layer 130, and greater than the thickness of the vibration damping layer 120.

[0038] The insulation layer 110 is the main part of the insulation board 100, and it is used to block heat transfer. In one embodiment, the insulation layer 110 is the inner core of the insulation board 100, and its thickness is greater than or equal to 5 cm and less than or equal to 10 cm. Specifically, in one embodiment, the insulation layer 110 is 8 cm thick, which can effectively block heat while avoiding excessive weight of the insulation board 100, making it convenient to use. Of course, in other embodiments, the thickness of the insulation layer 110 can also be 6 cm or 9 cm, etc., and no specific limitation is made here. The overall size and shape of the insulation layer 110 can be flexibly set according to actual needs, and no limitation is made here on the overall size and shape of the insulation layer 110.

[0039] The vibration damping layer 120 is fitted over the insulation layer 110 and is primarily used to mitigate external impacts. In one embodiment, the thickness of the vibration damping layer 120 is greater than or equal to 0.2 cm and less than or equal to 0.5 cm. Specifically, in one embodiment, the thickness of the vibration damping layer 120 is 0.5 cm, which effectively mitigates impacts while avoiding increasing the weight of the insulation board 100. Of course, in other embodiments, the thickness of the vibration damping layer 120 can also be 0.2 cm or 0.3 cm, etc., and no specific limitation is made here. The overall size and shape of the vibration damping layer 120 can be flexibly set according to the overall size and shape of the insulation layer 110 to ensure that the vibration damping layer 120 fits tightly against the insulation layer 110. Here, no limitation is made on the overall size and shape of the vibration damping layer 120.

[0040] The protective layer 130 is fitted over the vibration damping layer 120 and is intended to directly contact the external installation base. In one embodiment, the protective layer 130 has good rigidity and also possesses fireproof, waterproof, and UV-resistant properties to prevent the insulation board 100 from being contaminated or damaged by external forces. In one embodiment, the thickness of the protective layer 130 is greater than or equal to 0.5 mm and less than or equal to 1 mm to protect the insulation board 100 from contamination while reducing its weight. Specifically, in one embodiment, the thickness of the protective layer 130 can be 0.5 mm or 0.8 mm, etc., and no specific limitation is made here. The overall size and shape of the protective layer 130 can be flexibly set according to the overall size and shape of the vibration damping layer 120 to ensure that the protective layer 130 fits tightly against the vibration damping layer 120. No limitation is made here on the overall size and shape of the protective layer 130. In one embodiment, the outer surface of the protective layer 130 is further provided with a reinforcing structure 200, which provides support for the protective layer 130 and can disperse external impacts. Further, in one embodiment, a decorative coating may be provided on the outer surface of the protective layer 130 to improve its overall aesthetics. The protective layer 130, the vibration-damping layer 120, and the thermal insulation layer 110 can be tightly and firmly bonded together through processes such as hot pressing or gluing. No restrictions are placed on the bonding process of the protective layer 130, the vibration-damping layer 120, and the thermal insulation layer 110.

[0041] The thickness of the insulation layer 110 is greater than that of the protective layer 130 and also greater than that of the vibration damping layer 120, ensuring that the insulation layer 110 forms the main body of the insulation board 100 and improving its insulation performance. The insulation board 100 has only three layers, resulting in a simple structure, reduced overall weight, and ease of manufacturing. The layered structure of the insulation board 100—the vibration damping layer 120, the protective layer 130, and the reinforcing structure 200 on the outer surface of the protective layer 130—provides multiple layers of protection for the insulation layer 110, extending its service life, preventing damage or contamination, and further ensuring the insulation effect of the insulation board 100.

[0042] The technical solution of this utility model embodiment involves providing an insulation layer 110, a vibration damping layer 120, and a protective layer 130 on an insulation board 100. The vibration damping layer 120 is fitted over the insulation layer 110, and the protective layer 130 is fitted over the vibration damping layer 120. The outer surface of the protective layer 130 is provided with a reinforcing structure 200. The thickness of the insulation layer 110 is greater than the thickness of the protective layer 130, and also greater than the thickness of the vibration damping layer 120. Compared to the prior art insulation board 100 formed by stacking layers, the technical solution of this utility model sequentially arranges the insulation layer 110, vibration damping layer 120, and protective layer 130 from the inside out, while ensuring that the insulation layer 110 has the maximum thickness, so that the insulation layer 110 can effectively block heat transfer, thereby improving the insulation performance of the insulation board 100.

[0043] In one embodiment, the thermal conductivity of the insulation layer 110 is less than or equal to 0.03 W / (m·K).

[0044] The thermal conductivity of the insulation layer 110 is directly proportional to its thermal conductivity coefficient; that is, the lower the thermal conductivity coefficient of the insulation layer 110, the worse its thermal conductivity, and the better it can block heat transfer. Specifically, in one embodiment, the insulation layer 110 is made of a material with extremely low thermal conductivity to better block heat. In one embodiment, the insulation layer 110 uses a composite insulation material made of polystyrene foam particles and polyurethane foam, with a weight ratio of polystyrene foam particles to polyurethane foam of 1:1. The thermal conductivity of this composite insulation material is between 0.02 W / (m·K) and 0.03 W / (m·K), and it has a certain impact resistance. In another embodiment, the material of the insulation layer 110 can also be vacuum insulation material or aerogel, wherein the thermal conductivity of both vacuum insulation material and aerogel can reach about 0.01 W / (m·K). Of course, in other embodiments, the insulation layer 110 may also be a composite material made of glass fiber foam, polyurethane foam, or recycled polyester fiber. The specific material of the insulation layer 110 is not limited here. Thus, by reducing the thermal conductivity of the insulation layer 110, heat transfer can be more effectively blocked, further improving the thermal insulation performance of the insulation board 100.

[0045] In one embodiment, the protective layer 130 is configured as a metal plate.

[0046] Specifically, in one embodiment, the protective layer 130 is configured as a high-strength aluminum alloy plate. The high-strength aluminum alloy plate has good waterproof, fireproof, and UV-resistant properties, and also has better impact resistance and plasticity, making it easy to process. In one embodiment, the thickness of the aluminum alloy plate is greater than or equal to 0.5 mm and less than or equal to 1 mm to avoid making the insulation board 100 too heavy. In one embodiment, the aluminum alloy plate is integrally formed to better protect the internal structure. In another embodiment, the protective layer 130 can also be configured as a stainless steel plate or galvanized steel, or other materials with high impact resistance and toughness. Of course, in other embodiments, the material of the protective layer 130 can also be a composite material containing glass fiber reinforced polymer, epoxy resin, polyvinyl chloride and flame retardant, or polyethylene and UV stabilizer, etc., which combine waterproof, fireproof, and UV-resistant properties. The specific material of the protective layer 130 is not limited here. Thus, the protective layer 130 has good impact resistance and also possesses waterproof, fireproof, and UV-resistant properties. The protective layer 130 can prevent the spread of fire and prevent rainwater from entering the insulation layer 110, thereby improving the service life and safety of the insulation board 100.

[0047] Please see Figure 1 and Figure 2 In one embodiment, the reinforcing structure 200 includes a first reinforcing rib 210 and a second reinforcing rib 220, which are arranged intersectingly.

[0048] The reinforcing structure 200 consists of a first reinforcing rib 210 and a second reinforcing rib 220 protruding from the outer surface of the protective layer 130. The first reinforcing rib 210 and the second reinforcing rib 220 are mainly used to improve the rigidity of the insulation board 100, enabling it to better resist external impacts. The first reinforcing rib 210 and the second reinforcing rib 220 are intersecting, and their intersection points can better disperse impact forces. In one embodiment, multiple first reinforcing ribs 210 and second reinforcing ribs 220 are provided. All first reinforcing ribs 210 are spaced apart along a first direction of the protective layer 130, and all second reinforcing ribs 220 are spaced apart along a second direction of the protective layer 130. The first reinforcing ribs 210 and the second reinforcing ribs 220 are evenly distributed on the outer surface of the protective layer 130 to ensure more uniform dispersion of external forces. In one embodiment, the first direction is perpendicular to the second direction to make the arrangement of the first reinforcing ribs 210 and the second reinforcing ribs 220 more regular. The first and second directions can be flexibly selected according to actual conditions; no specific limitations are imposed on the first and second directions here. The number and spacing of the first reinforcing rib 210 and the second reinforcing rib 220 can be flexibly set according to actual conditions, and are not limited here. In one embodiment, the first reinforcing rib 210 and the second reinforcing rib 220 are integrally formed with the protective layer 130, avoiding the need for additional connecting parts that would affect the integrity of the protective layer 130. Of course, in other embodiments, the first reinforcing rib 210 and the second reinforcing rib 220 can also be provided to the protective layer 130 by welding or bonding, and are not limited here.

[0049] Please continue reading. Figure 2Furthermore, in one embodiment, the cross-sectional shape of the first reinforcing rib 210 and the second reinforcing rib 220 is trapezoidal to better withstand and disperse external forces. Of course, in other embodiments, the cross-sectional shape of the reinforcing structure 200 can also be rectangular or polygonal, etc., and there is no limitation here. In one embodiment, the height of the reinforcing structure 200 is greater than or equal to 2 mm and less than or equal to 3 mm. Specifically, in one embodiment, the height of both the first reinforcing rib 210 and the second reinforcing rib 220 is 2 mm, so as to enhance the impact resistance of the insulation board 100 while reducing the weight of the insulation board 100. Of course, in other embodiments, the height of the first reinforcing rib 210 and the second reinforcing rib 220 can also be 2.5 mm or 3 mm, etc., and there is no limitation here. The reinforcing structure 200 can be made of high-strength materials such as stainless steel, aluminum alloy, or carbon fiber, and there is no specific limitation here. Of course, in other embodiments, the reinforcing structure 200 can also be a diagonal brace or the like provided in the protective layer 130, and there is no limitation here.

[0050] The technical solution of this utility model embodiment provides intersecting first reinforcing ribs 210 and second reinforcing ribs 220 in the protective layer 130. The cross-sectional shape of the first reinforcing ribs 210 and second reinforcing ribs 220 is trapezoidal, which can effectively disperse the impact force from the outside, prevent the insulation board 100 from deforming, improve the impact resistance of the insulation board 100, and thus improve the service life of the insulation board 100.

[0051] Please see Figure 2 In one embodiment, the damping layer 120 has a mesh structure.

[0052] In one embodiment, the vibration damping layer 120 is configured as a mesh structure formed of high-strength fiber material, embedded between the insulation layer 110 and the protective layer 130, providing protection for the insulation layer 110. Specifically, in one embodiment, the vibration damping layer 120 has a honeycomb structure, which can effectively absorb vibrations and is also lighter. In another embodiment, the vibration damping layer 120 can also be a porous structure, which can also effectively absorb and disperse vibrations. The specific structure of the vibration damping layer 120 is not limited here. In one embodiment, the material of the vibration damping layer 120 is glass fiber, which has high toughness and a thermal conductivity between 0.03 W / (m·K) and 0.05 W / (m·K), which can reduce vibration while blocking heat transfer. Of course, in other embodiments, the material of the vibration damping layer 120 can also be polypropylene fiber, polyester fiber, polyvinyl alcohol foam, or rubber, etc. The specific material of the vibration damping layer 120 is not limited here.

[0053] The technical solution of this utility model embodiment, by setting the vibration damping layer 120 as a mesh structure, can better absorb and disperse the vibration transmitted from the protective layer 130 to the vibration damping layer 120. The vibration damping layer 120 is made of high-strength fiber material, which improves the overall structural strength of the insulation board 100, enhances the protection of the insulation board 100, and thus extends the service life of the insulation board 100.

[0054] Please see Figures 2 to 4 In one embodiment, the insulation board 100 is provided in multiple ways, and the insulation board 100 also includes a connecting structure. The connecting structure includes a protrusion 310 and a groove 320 provided along the periphery of the protective layer 130. The groove 320 of one insulation board 100 matches the protrusion 310 of another insulation board 100.

[0055] In one embodiment, the insulation layer 110, the vibration damping layer 120, and the protective layer 130 are sequentially recessed inward to form a groove 320, and a protrusion 310 is provided on the outside of the protective layer 130. The protrusion 310 and the groove 320 are respectively located on opposite sides of the protective layer 130. The protrusion 310 of one insulation board 100 can be embedded into the groove 320 of another insulation board 100 to achieve a tight connection between the insulation boards 100. The protrusion 310 can be integrally formed with the protective layer 130, or it can be fixed to the protective layer 130 by welding, riveting, or other methods. There are no restrictions on this. Specifically, in one embodiment, the depth of the groove 320 is greater than or equal to 1 cm and less than or equal to 2 cm, and the width is greater than or equal to 1 cm and less than or equal to 1.5 cm, so as to achieve a tight connection of the insulation boards 100 while avoiding the connection structure occupying too much space and ensuring the overall stability of the insulation board 100 structure. The specific dimensions of the grooves 320 and protrusions 310 can be flexibly set according to the overall dimensions of the insulation board 100, and no specific limitation is imposed here. In one embodiment, each insulation board 100 is provided with multiple protrusions 310 and grooves 320, and all the protrusions 310 and grooves 320 are evenly distributed along the periphery of the protective layer 130. Here, no limitation is imposed on the specific number of protrusions 310 and grooves 320.

[0056] Please see Figure 3Furthermore, in one embodiment, the insulation board 100 has multiple anchor bolt holes 330 on the side facing away from the reinforcing structure 200 for connection with the installation foundation. The insulation layer 110, vibration damping layer 120, and protective layer 130 are sequentially recessed to form the anchor bolt holes 330. Anchor bolts fix the insulation board 100 to the installation foundation through the anchor bolt holes 330, improving connection stability. In one embodiment, the diameter of the anchor bolt holes 330 is greater than or equal to 0.5 cm and less than or equal to 1 cm. This diameter range can accommodate various types of anchor bolts and is easy to process. The specific dimensions of the anchor bolt holes 330 are not limited here. In one embodiment, the anchor bolt holes 330 are correspondingly arranged with the reinforcing structure 200 to prevent damage to the connection from external forces and ensure the overall structural stability of the insulation board 100. Of course, in other embodiments, the insulation board 100 and the installation foundation can also be connected by snap-fit, adhesive, or other methods; this is not limited here. In one embodiment, during installation, gaps between insulation boards 100 or between insulation boards 100 and the installation base can be filled with sealant to further ensure a tight fit between the insulation boards 100 and between the insulation boards 100 and the installation base. The sealant can be asbestos, polystyrene foam, or polysiloxane silicone, etc., and no specific limitations are imposed here.

[0057] The technical solution of this utility model embodiment, by setting a connection structure, enables the insulation boards 100 to fit tightly together, maximizing the barrier to heat transfer by the insulation boards 100, thereby effectively reducing heat loss of the installation foundation and further improving the insulation effect of the insulation boards 100. In addition, at the joints of the insulation boards 100, the vibration damping layer 120 and the protective layer 130 can still protect the insulation layer 110, preventing damage to the insulation layer 110 from collisions and compression between the insulation boards 100, further ensuring the service life of the insulation boards 100.

[0058] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An insulation panel, characterised in that, The thermal insulation layer, the damping layer, and the protective layer are sequentially arranged from inside to outside. The thickness of the thermal insulation layer is greater than the thickness of the protective layer and the thickness of the damping layer. The thermal conductivity of the thermal insulation layer is less than or equal to 0.03 W / (m·K). The thickness of the thermal insulation layer is greater than or equal to 5 cm and less than or equal to 10 cm. The protective layer is configured as a metal plate, and the thickness of the metal plate is greater than or equal to 0.5 mm and less than or equal to 1 mm. The reinforcing structure includes a first reinforcing rib and a second reinforcing rib, and the first reinforcing rib and the second reinforcing rib are arranged to intersect.

2. The thermal panel of claim 1, wherein The cross-sectional shape of the reinforcing structure is trapezoidal.

3. The thermal panel of claim 1, wherein The height of the reinforcing structure is greater than or equal to 2 mm and less than or equal to 3 mm.

4. The thermal panel of claim 1, wherein The damping layer is a net structure.

5. The thermal panel of claim 1, wherein The damping layer is configured as glass fiber.

6. The insulating panel as claimed in claim 1, wherein A plurality of thermal insulation boards are provided, and each thermal insulation board further includes a connecting structure including a protrusion and a groove arranged along the periphery of the protective layer, and the groove of one thermal insulation board is matched with the protrusion of another thermal insulation board.

7. The thermal panel of claim 1, wherein ​ 8. The insulating panel of claim 1, wherein ​ 9. The thermal panel of claim 1, wherein ​ 10. The insulating panel as claimed in claim 1, characterized in that ​ ​