Aluminum plate for building

Abstract

According to the aluminum plate for the building, the lower end of a protective coating plate is connected with a heat insulation layer plate fixed through adhesion, the lower end of the heat insulation layer plate is connected with a base layer aluminum plate fixed through adhesion, the lower end of the base layer aluminum plate is connected with the heat insulation layer plate, and the lower end of the heat insulation layer plate is connected with the protective coating plate; the upper end of the protective coating plate is connected with a fluorocarbon resin coating plate which is fixed through bonding, the thermal insulation layer plate is provided with nano aerogel particles and a limiting groove, the nano aerogel particles are internally provided with a high-temperature-resistant gel storage box body, the high-temperature-resistant gel storage box body is provided with a first through hole and a first cover body, the limiting groove is internally provided with an organic silicon binder box body, and the organic silicon binder box body is provided with a second through hole and a second cover body. Second cover bodies are arranged on the organic silicon binder box body, second through holes are formed in the second cover bodies, and inclined stripes are arranged on the surface of the base layer aluminum plate. The combination of the protective coating plate and the fluorocarbon resin coating plate provides comprehensive protection and can resist various external environmental factors, and the service life of the aluminum plate is greatly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, and specifically relates to an aluminum plate for building. BACKGROUND

[0002] Aluminum plate refers to rectangular material with uniform thickness obtained by pressure processing (shearing or sawing) of pure aluminum or aluminum alloy material, and the use range of the aluminum plate is very wide, and the aluminum plate can be seen in aerospace, military, indoor decorations, mechanical parts and the like.

[0003] Firstly, the erosion of external environmental factors on the aluminum plate seriously affects the service life thereof. The building aluminum plate is exposed to the outdoor environment for a long time, and is subjected to radiation of ultraviolet rays, erosion of rainwater, accumulation of dust and erosion of chemical pollutants, and these factors alone or jointly act on the aluminum plate, which gradually destroys the surface structure of the aluminum plate, causes the aluminum plate to appear corrosion, discoloration and the like, thereby shortening the service life thereof and increasing the maintenance cost.

[0004] Secondly, in modern buildings, the cost of refrigeration and heating accounts for a large proportion in the total energy consumption, and the heat insulation performance of the ordinary aluminum plate is poor, and heat is easily conducted through the aluminum plate, so that more energy needs to be consumed to maintain the required temperature in the building interior when refrigeration or heating is performed, which is not conducive to improving the energy utilization efficiency.

[0005] Furthermore, some aluminum plate structures may contain high-temperature-resistant storage gel and organic silicon adhesive and the like, and these materials are easily affected by impurities such as dust and moisture. If no effective protection measures are taken, the impurities will affect the performance of the aluminum plate after entering, and further affect the overall function of the aluminum plate. Moreover, in the building construction, convenient access and accurate control of the use amount of these materials are also key factors for improving the construction efficiency and reducing the cost.

[0006] Therefore, the utility model provides an aluminum plate for building to solve the above problems. UTILITY MODEL CONTENTS

[0007] In view of the above situation, the utility model provides an aluminum plate for building to at least partially solve the above technical problems.

[0008] The technical scheme adopted by the utility model is as follows:

[0009] The utility model provides a kind of aluminium plate for building, comprising: protective coating board, the lower end of the protective coating board is connected with the heat insulation layer board fixed by bonding, the lower end of the heat insulation layer board is connected with the base layer aluminium plate fixed by bonding, the lower end of the base layer aluminium plate is connected with heat insulation layer board, the lower end of the heat insulation layer board is connected with protective coating board, the upper end of the protective coating board is connected with the fluorocarbon resin coating board fixed by bonding, the heat insulation layer board is equipped with nano aerogel particle and limit groove, the nano aerogel particle is equipped with high-temperature resistant storage gel box in, the high-temperature resistant storage gel box is equipped with first through-hole and first cover, the limit groove is equipped with silicone adhesive box, the silicone adhesive box is equipped with second cover, the second cover is equipped with second through-hole, the surface of the base layer aluminium plate is equipped with inclined stripe.

[0010] As a further scheme of the utility model: the high-temperature resistant storage gel box is equipped with first thread, and the high-temperature resistant storage gel box and the first cover are fixed by thread connection.

[0011] As a further scheme of the utility model: the silicone adhesive box is equipped with second thread, and the second cover is fixed by thread connection.

[0012] As a further scheme of the utility model: the nano aerogel particle is arranged in column on the heat insulation layer board, there are at least two columns of nano aerogel particles, and each column has at least seven nano aerogel particles, and the nano aerogel particles and the high-temperature resistant storage gel box cooperate with each other.

[0013] As a further scheme of the utility model: the limit groove is arranged in column on the heat insulation layer board, there is at least one column of limit grooves, and the limit grooves are arranged between the nano aerogel particles, and the limit grooves and the silicone adhesive box cooperate with each other.

[0014] As a further scheme of the utility model: the adhesive used when the protective coating board and the heat insulation layer board are bonded is melamine adhesive, and the adhesive used when the heat insulation layer board and the base layer aluminium plate are bonded is melamine adhesive.

[0015] As a further scheme of the utility model: the diameter of the nano aerogel particle is smaller than the diameter of the limit groove.

[0016] As a further scheme of the utility model: the thickness of the protective coating board is greater than the thickness of the heat insulation layer board, and the thickness of the heat insulation layer board is greater than the thickness of the base layer aluminium plate.

[0017] The utility model embodiment is implemented, and the following beneficial effects are achieved:

[0018] The combination of the protective coating plate and the fluorocarbon resin coating plate of the embodiment provides comprehensive protection against various external environmental factors such as ultraviolet rays, rainwater, dust, and chemical pollutants, greatly prolongs the service life of the aluminum plate, and reduces maintenance costs. The nano aerogel particles in the heat insulation layer plate and the high-temperature-resistant storage gel box body and other structures enable the aluminum plate to have high-efficiency heat insulation performance, which can effectively reduce the cooling or heating cost of the interior of the building and improve the energy utilization efficiency.

[0019] The structural support of the base aluminum plate and the reinforcing effect of the inclined stripe ensure the structural stability of the entire aluminum plate, so that the aluminum plate can withstand certain external forces during installation and use and is not prone to deformation or damage.

[0020] The threaded connection of the cover body and the box body can effectively protect the high-temperature-resistant storage gel and the silicone adhesive inside, prevent impurities such as dust and moisture from entering the box body, avoid the influence of these substances on the performance of the gel and the adhesive, and ensure their effectiveness during building use. During building construction, the operator can conveniently open the cover body to take out the gel or adhesive inside according to actual needs, and can accurately control the usage amount to avoid waste.

[0021] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described illustrative aspects, embodiments, and features, further aspects, embodiments, and features of the present application will be apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0023] Fig. 1 is an exploded structural schematic view of the building aluminum plate of the present application.

[0024] Fig. 2 is a structural schematic view of the building aluminum plate of the present application.

[0025] Fig. 3 is a high-temperature-resistant storage gel box body structural schematic view of the building aluminum plate of the present application.

[0026] Fig. 4 is a silicone adhesive box body structural schematic view of the building aluminum plate of the present application.

[0027] As shown in the figure: 1, protective coating plate, 2, heat insulation layer plate, 3, base aluminum plate, 4, fluorocarbon resin coating plate, 5, nano aerogel particles, 6, limit groove, 7, high-temperature-resistant storage gel box body, 8, first through hole, 9, first cover body, 10, silicone adhesive box body, 11, second cover body, 12, second through hole, 13, oblique stripe, 14, first thread, 15, second thread.

[0028] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. DETAILED DESCRIPTION

[0029] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0030] It should be noted that the terms "first", "second", and the like are used only for distinguishing description and position description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and the like can explicitly or implicitly include one or more features; similarly, for some features that are not limited in number by the words "two", "three" and the like, it should be noted that the features also belong to explicitly or implicitly include one or more features;

[0031] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "fixing" and the like should be understood in a broad sense; for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally formed; it can be mechanically connected, it can be directly connected, it can be welded, it can be indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the description and drawings in combination with specific circumstances.

[0032] In the description of the embodiments of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0033] AsFigs. 1 to 4 The utility model discloses a kind of building aluminum plate, including: protective coating plate 1, protective coating plate 1 lower end is connected with heat insulation layer plate 2 being fixed by bonding, heat insulation layer plate 2 lower end is connected with base layer aluminum plate 3 being fixed by bonding, base layer aluminum plate 3 lower end is connected heat insulation layer plate 2, heat insulation layer plate 2 lower end is connected protective coating plate 1, protective coating plate 1 upper end is connected with fluorocarbon resin coating plate 4 being fixed by bonding, heat insulation layer plate 2 is equipped with nano aerogel particle 5 and limit recess 6, nano aerogel particle 5 is equipped with high-temperature resistant storage gel box 7 in, high-temperature resistant storage gel box 7 is equipped with first through-hole 8 and first cover 9, limit recess 6 is equipped with silicone adhesive box 10, silicone adhesive box 10 is equipped with second cover 11, silicone adhesive box 10 and second cover 11 are equipped with second through-hole 12, base layer aluminum plate 3 surface is equipped with oblique stripe 13.

[0034] In the specific application of the embodiment of the utility model, the protective coating plate 1 is located at the outermost layer (the upper end is connected with the fluorocarbon resin coating plate 4, and the lower end is connected with the heat insulation layer plate 2) of the aluminum plate structure, which first plays a role of resisting external environmental factors. For example, it can prevent rainwater, dust, ultraviolet rays and the like from directly contacting the internal structure. Ultraviolet rays can cause the aluminum plate to age and discolor, and the protective coating plate 1 can block the ultraviolet rays to reduce the damage to the aluminum plate. When external force impact occurs, the protective coating plate 1 can also play a certain buffering role to protect the heat insulation layer plate 2 and the base layer aluminum plate 3 inside.

[0035] The protective coating plate 1 is fixed by bonding with the fluorocarbon resin coating plate 4, and the fluorocarbon resin coating plate 4 has good weather resistance and corrosion resistance, so that the combination of the two further enhances the protection capability of the aluminum plate. At the same time, the protective coating plate 1 is fixed by bonding with the heat insulation layer plate 2 at the lower end, so that the protection function and the heat insulation function are connected.

[0036] The heat insulation layer plate 2 is internally provided with the nano aerogel particle 5 and the limit recess 6. The nano aerogel particle 5 has a very low thermal conductivity and is a high-efficiency heat insulation material, which can prevent heat conduction. When external heat attempts to pass through the aluminum plate, the nano aerogel particle 5 can greatly reduce the speed of heat transfer. The high-temperature resistant storage gel box 7 is arranged in the nano aerogel particle 5. When the temperature rises, the substance in the high-temperature resistant storage gel box 7 will change state (for example, phase change of gel and the like), to further absorb heat and assist heat insulation. The first through-hole 8 and the first cover 9 are arranged to adjust the pressure in the box or release or supplement the substance in the box when needed.

[0037] The silicone adhesive box 10 in the limiting groove 6 is also related to heat insulation, the silicone adhesive can fill the small gaps in the structure to some extent, reducing the heat conduction through the air, and the second cover 11 and the second through hole 12 are arranged to adjust the state of the adhesive in the box or interact with the external environment to some extent. The heat insulation layer plate 2 is fixed by adhesion with the protective coating plate 1 and the base aluminum plate 3, forming a continuous heat insulation structure, connecting the heat insulation function of the protective coating plate 1 and the structural support function of the base aluminum plate 3, so that the entire aluminum plate has good heat insulation performance while having protection capability.

[0038] The base aluminum plate 3 provides a solid support foundation for the protective coating plate 1 and the heat insulation layer plate 2, and the surface is provided with inclined stripes 13, which have multiple functions. On the one hand, the inclined stripes 13 can increase the surface area of the aluminum plate, which is helpful for heat dissipation in some cases, such as in the case of needing heat dissipation (although the overall aluminum plate has heat insulation function, but in a specific environment, certain heat dissipation capability is needed); on the other hand, the inclined stripes 13 can also increase the friction between the aluminum plate and other components (such as the heat insulation layer plate 2), so that the adhesion is more firm.

[0039] The base aluminum plate 3 is connected to the heat insulation layer plate 2 at the lower end, and through this connection, the structural support function of the base aluminum plate 3 is combined with the heat insulation function of the heat insulation layer plate 2, so that the entire aluminum plate can effectively insulate heat while maintaining structural stability. The fluorocarbon resin coating plate 4 is fixed by adhesion at the upper end of the protective coating plate 1, and the fluorocarbon resin has excellent weather resistance, corrosion resistance, chemical resistance and other characteristics.

[0040] In a possible implementation, the high-temperature-resistant storage gel box 7 is provided with a first thread 14, the high-temperature-resistant storage gel box 7 and the first cover 9 are fixed by thread connection, the silicone adhesive box 10 is provided with a second thread 15, and the silicone adhesive box 10 and the second cover 11 are fixed by thread connection.

[0041] In the specific application of the embodiment of the utility model, the first thread 14 on the high-temperature-resistant storage gel box 7 and the first cover 9 are connected by thread connection, the thread connection is a mechanical connection method, by rotating the first cover 9, the thread of the first cover 9 and the first thread 14 on the high-temperature-resistant storage gel box 7 are mutually engaged. When rotating according to the specified direction, the friction and engagement force between the threads will firmly fix the first cover 9 on the high-temperature-resistant storage gel box 7, and the second thread 15 on the silicone adhesive box 10 and the second cover 11 are also connected by such rotating thread connection, realizing the fixed connection of the two.

[0042] In the building environment, the high-temperature-resistant storage gel is used for some special heat insulation or sealing functions. For example, when the aluminum plate is used for the outer wall or roof of the building, the high-temperature-resistant storage gel can maintain stable performance in a high-temperature environment to prevent excessive heat conduction. The box body 7 is connected with the first cover body 9 through threads, so that the use and storage of the gel can be conveniently controlled. When the gel needs to be used, the first cover body 9 can be opened, and when the gel does not need to be used, the first cover body 9 can be tightly closed to prevent the gel from being polluted or dried out by the outside world.

[0043] The silicone adhesive in the silicone adhesive box body 10 has good adhesive performance and weather resistance in the installation or repair process of the building aluminum plate. In the process of bonding the aluminum plate and other building materials, the silicone adhesive can be conveniently taken out by opening the second cover body 11. When the aluminum plate needs to be bonded with a concrete structure or other metal structure, the silicone adhesive can provide firm bonding force. Since the box body 10 and the second cover body 11 are connected through threads, the adhesive can be effectively sealed and stored when not in use, preventing the adhesive from deteriorating or drying out, thereby ensuring the stability of the performance of the adhesive.

[0044] In a possible implementation, the nano-aerogel particles 5 are arranged in rows on the heat insulation layer plate 2, and there are at least two rows, each of which has at least seven nano-aerogel particles 5. The nano-aerogel particles 5 and the high-temperature-resistant storage gel box body 7 cooperate with each other. The limiting grooves 6 are arranged in rows on the heat insulation layer plate 2, and there is at least one row of limiting grooves 6. The limiting grooves 6 and the silicone adhesive box body 10 cooperate with each other between the arranged nano-aerogel particles 5.

[0045] In the specific application of the embodiments of the utility model, the nano-aerogel particles 5 are arranged in rows on the heat insulation layer plate 2, and there are at least two rows, each of which has at least seven nano-aerogel particles 5. The nano-aerogel itself has a very low thermal conductivity, which is due to its unique nano structure, filled with air (or other gas) inside. The air molecules are limited at the nano scale, greatly reducing the conduction of heat. When these particles are arranged in a certain array on the heat insulation layer plate, they form an effective heat insulation barrier. Heat is blocked by the nano-aerogel particle array when it is transmitted to the heat insulation layer plate. The air gap between the nano-aerogel particles and the characteristics of the particles themselves prevent further heat conduction.

[0046] The nano-aerogel particles 5 and the high-temperature-resistant storage gel box body 7 cooperate with each other. The high-temperature-resistant storage gel box body 7 plays a role in storing the gel, such as maintaining stability at high temperatures, and complements the nano-aerogel particles in function. For example, when the external heat is too high, the gel in the storage gel box 7 will release certain substances or undergo certain physical changes, which will cooperate with the nano-aerogel particles to further enhance the heat insulation effect.

[0047] The limiting grooves 6 are arranged in rows on the thermal insulation layer 2, and at least one row is located between the arranged nanometer aerogel particles 5. The limiting grooves 6 play a limiting role on the nanometer aerogel particles, and ensure that the arrangement of the nanometer aerogel particles on the thermal insulation layer is stable and will not be displaced due to external vibration, temperature change or other factors. Such stable arrangement helps to maintain the consistency of the thermal insulation performance of the thermal insulation layer. The limiting grooves 6 and the silicone adhesive box body 10 cooperate with each other, and the adhesive in the silicone adhesive box body 10 will flow into the limiting grooves 6. On the one hand, the adhesive can fix the nanometer aerogel particles and enhance their adhesion on the thermal insulation layer; on the other hand, the adhesive itself also has certain thermal insulation performance or can work cooperatively with other components. For example, the silicone adhesive forms a structure with low thermal conductivity after curing, which together with the nanometer aerogel particles and the thermal insulation layer forms a more complete thermal insulation system.

[0048] In a possible implementation, the glue used for bonding between the protective coating layer 1 and the thermal insulation layer 2 is melamine glue, the glue used for bonding between the thermal insulation layer 2 and the base aluminum plate 3 is melamine glue, the diameter of the nanometer aerogel particles 5 is smaller than the diameter of the limiting grooves 6, the thickness of the protective coating layer 1 is greater than the thickness of the thermal insulation layer 2, and the thickness of the thermal insulation layer 2 is greater than the thickness of the base aluminum plate 3.

[0049] In the specific application of the embodiments of the utility model, melamine glue is used for bonding between the protective coating layer 1 and the thermal insulation layer 2 and between the thermal insulation layer 2 and the base aluminum plate 3. The melamine glue has very strong bonding force, and it can form a firm chemical bond on the surfaces of two different materials. For the protective coating layer 1 and the thermal insulation layer 2, the melamine glue can fill the tiny pores on the surfaces of the two, so that the distance between the molecules is close enough to generate van der Waals force and chemical bond force. When the glue is cured, the protective coating layer 1 and the thermal insulation layer 2 can be tightly combined together. Similarly, the melamine glue also plays the same role between the thermal insulation layer 2 and the base aluminum plate 3, ensuring the stable connection of the two layers of materials.

[0050] The diameter of the nanometer aerogel particles 5 is smaller than the diameter of the limiting grooves 6. Such size relationship enables the nanometer aerogel particles 5 to be accommodated in the limiting grooves 6, and the limiting grooves 6 can play a positioning and limiting role on the nanometer aerogel particles 5. For example, in the production process, the random movement of the nanometer aerogel particles 5 can be prevented, and the uniformity of the distribution of the nanometer aerogel particles 5 in the thermal insulation layer 2 can be ensured.

[0051] In the working process, when subjected to temperature change or pressure change of the outside world, the nano-aerogel particles 5 can be slightly displaced and adjusted within a certain range in the limiting groove 6 when subjected to temperature change or pressure change of the outside world, so as to adapt to the change of the outside environment, and at the same time, it will not be separated from the structure system of the heat insulation layer plate 2, so as to ensure the stability of the overall structure and performance of the heat insulation layer plate 2. The protective coating plate 1 is the outermost layer, and the thicker protective coating plate 1 can better resist the erosion factors of the outside world, such as ultraviolet radiation, rainwater erosion, wind and sand abrasion, etc., so as to protect the internal heat insulation layer plate 2 and the base aluminum plate 3 from being damaged for a long time.

[0052] The thickness of the heat insulation layer plate 2 is less than that of the protective coating plate 1 but greater than that of the base aluminum plate 3, and the heat insulation layer plate 2 is the key part to realize the heat insulation function, and the appropriate thickness can effectively prevent the heat transfer, which needs to have enough thickness to accommodate the heat insulation materials such as nano-aerogel particles 5 to achieve good heat insulation effect, and cannot be too thick to increase the weight and cost of the whole aluminum plate.

[0053] It should be noted that in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0054] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0055] The above describes the present application and its embodiments, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments similar to the technical solution can be designed, which shall belong to the protection scope of the present application.

Claims

1. An aluminum panel for building applications, characterized in that, include: A protective coating plate (1) is provided with a heat insulation plate (2) fixed by adhesive at its lower end. A base aluminum plate (3) is fixed by adhesive at its lower end. The heat insulation plate (2) is connected to the heat insulation plate (2) at its lower end. The heat insulation plate (2) is connected to the protective coating plate (1) at its lower end. A fluorocarbon resin coating plate (4) is fixed by adhesive at its upper end. The heat insulation plate (2) is provided with nano aerogel particles (5) and limiting elements. The groove (6) contains a high-temperature resistant storage gel box (7) inside the nano aerogel particles (5). The high-temperature resistant storage gel box (7) has a first through hole (8) and a first cover (9). The limiting groove (6) contains an organosilicon adhesive box (10). The organosilicon adhesive box (10) has a second cover (11). Both the organosilicon adhesive box (10) and the second cover (11) have a second through hole (12). The surface of the base aluminum plate (3) has diagonal stripes (13).

2. The aluminum sheet for building construction according to claim 1, characterized in that, The high-temperature resistant gel storage box (7) is provided with a first thread (14), and the high-temperature resistant gel storage box (7) and the first cover (9) are fixed together by the thread.

3. The aluminum sheet for building construction according to claim 1, characterized in that, The silicone adhesive box (10) is provided with a second thread (15), and the silicone adhesive box (10) and the second cover (11) are fixed together by the thread.

4. The aluminum sheet for building construction according to claim 1, characterized in that, The nano-aerogel particles (5) are arranged in rows on the heat insulation plate (2), with at least two rows of nano-aerogel particles (5) and at least seven particles in each row. The nano-aerogel particles (5) and the high-temperature resistant storage gel box (7) cooperate with each other.

5. The aluminum sheet for building construction according to claim 1, characterized in that, The limiting grooves (6) are arranged in rows on the heat insulation plate (2), with at least one row of the limiting grooves (6), and the limiting grooves (6) and the organosilicon adhesive box (10) cooperate with each other between the arranged nano aerogel particles (5).

6. The aluminum sheet for building construction according to claim 1, characterized in that, The adhesive used for bonding the protective coating plate (1) and the heat insulation plate (2) is melamine adhesive, and the adhesive used for bonding the heat insulation plate (2) and the base aluminum plate (3) is melamine adhesive.

7. The aluminum sheet for building construction according to claim 1, characterized in that, The diameter of the nano-aerogel particles (5) is smaller than the diameter of the limiting groove (6).

8. The aluminum sheet for building construction according to claim 1, characterized in that, The thickness of the protective coating plate (1) is greater than the thickness of the heat insulation plate (2), and the thickness of the heat insulation plate (2) is greater than the thickness of the base aluminum plate (3).

Images