Efficient heat-insulating double-formwork prefabricated wallboard structure and heat-insulating wall comprising same

By adopting the double-mold prefabricated wall panel technology with Class A fire-resistant high-strength insulation materials and wall frame structure, the problems of low construction efficiency and insufficient fire resistance have been solved, achieving efficient and safe construction of insulated walls and optimizing the utilization of building space.

CN224187037UActive Publication Date: 2026-05-01SHANGHAI SHENGKUI PLASTIC IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI SHENGKUI PLASTIC IND
Filing Date
2025-05-29
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

While existing double-shell wall panel technology ensures the thermal insulation effect of the wall, it has problems such as low construction efficiency, large precision error, water leakage at the joints and increased building weight. In addition, the fire resistance rating of commonly used insulation materials is insufficient and cannot meet the fire protection requirements of buildings.

Method used

Using Class A fire-resistant high-strength insulation material as the outer and inner mold shells, combined with the wall frame structure and tie rods, the high-efficiency insulation double-shell prefabricated wall panels are formed in the factory. On-site installation is convenient, ensuring connection strength and fire resistance.

Benefits of technology

It improved construction efficiency and quality, optimized the thickness of the insulation wall, increased the utilization rate of building space, effectively prevented falling, achieved Class A fire resistance, and enhanced the safety and stability of the insulation wall.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an efficient heat preservation double-formwork prefabricated wallboard structure and a heat preservation wall body comprising the efficient heat preservation double-formwork prefabricated wallboard structure, the efficient heat preservation double-formwork prefabricated wallboard structure comprises an outer formwork, an inner formwork, a wall body framework structure and a plurality of tying pieces, the outer formwork and the inner formwork are arranged in a spaced mode, and a pouring space is formed between the outer formwork and the inner formwork; the wall body framework structure is located in the pouring space, the outer formwork, the wall body framework structure and the inner formwork are connected through the multiple pulling and connecting pieces, and the outer formwork is made of A-level fireproof high-strength heat preservation materials or composite heat preservation plates. The inner formwork shell is made of A-level fireproof high-strength heat preservation materials, detachable formwork materials, non-dismantling formwork materials or composite heat preservation plates. Therefore, the fireproof effect is effectively achieved, and fireproof hidden dangers are eradicated. Falling is effectively prevented, and the safety and stability of the thermal insulation wall are greatly improved; the thickness of the thermal insulation wall is optimized, and the utilization rate of building space is improved.
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Description

Technical Field

[0001] This utility model relates to a high-efficiency thermal insulation double-shell prefabricated wall panel structure and an insulated wall body containing the same. Background Technology

[0002] Traditionally, building exterior insulation systems commonly employ adhesive or a combination of adhesive and anchor methods to attach insulation materials to the building's exterior walls. In recent years, due to frequent detachment and fire accidents involving adhesive-anchored exterior insulation systems, many regions, including Shanghai, Zhejiang, Hebei, and Shandong, have issued regulations prohibiting or restricting the use of adhesives, anchors, or a combination of both for on-site construction of building exterior wall insulation systems. These regulations also require the use of Class A fire-resistant insulation materials. To address this issue, the industry has widely adopted prefabricated integrated insulation components or non-removable insulation formwork for integrated insulation structures in building exterior wall insulation system construction. However, non-removable insulation formwork still requires extensive on-site operations such as formwork cutting and erection, resulting in low construction efficiency. While prefabricated integrated insulation components are manufactured in factories, integrating insulation materials, wall reinforcement cages, and concrete, unavoidable errors in manufacturing and installation precision often accumulate, leading to poor flatness and verticality of the building's exterior walls, necessitating extensive post-construction leveling and repair work. In addition, there are also numerous problems with water leakage at the joints.

[0003] Therefore, double-shell wall panel technology has emerged. This technology uses a prefabrication method in a factory, combining the wall's reinforcing cage with two concrete formwork shells on either side to form a precast component. After on-site installation, concrete is poured into the formwork shells, forming the wall and connecting it to the structural system. Furthermore, to enhance insulation and achieve integrated insulation structure, insulation material is usually placed inside one of the formwork shells. However, it is worth noting that currently, this technology mostly uses XPS extruded polystyrene boards or polyurethane boards, with a fire rating of only Class B. The outer concrete insulation layer must be at least 50mm thick to meet building fire safety design requirements. However, this at least 50mm thick concrete outer shell not only increases the wall structure's thickness but also increases the building's self-weight, leading to a decrease in usable floor area and an increase in the cost of load-bearing structures.

[0004] Therefore, it is urgent to propose corresponding solutions on how to achieve a quality-controllable integrated construction method for double-shell insulated walls while ensuring the wall insulation effect, and to improve the overall construction efficiency of the insulation system. Utility Model Content

[0005] The purpose of this utility model is to overcome the above-mentioned shortcomings of the existing materials. This utility model provides a high-efficiency heat-insulating double-shell prefabricated wall panel structure and an insulated wall body containing the same.

[0006] This utility model is achieved through the following technical solution:

[0007] A high-efficiency thermal insulation double-shell precast wall panel structure includes an outer shell, an inner shell, a wall frame structure, and several tie members. The outer shell and the inner shell are spaced apart to form a casting space for pouring wall material. The wall frame structure is located within the casting space, and the outer shell, the wall frame structure, and the inner shell are connected by the tie members to ensure that there is a gap between the wall frame structure and the outer shell, and between the wall frame structure and the inner shell. The outer shell is made of Class A fire-resistant high-strength thermal insulation material or composite insulation board, and the inner shell is made of Class A fire-resistant high-strength thermal insulation material, removable template material, non-removable template material, or composite insulation board.

[0008] Furthermore, in the outer mold shell and / or the inner mold shell, the composite insulation board is composed of Class A fire-resistant high-strength insulation material combined with high-efficiency insulation material.

[0009] Furthermore, the high-efficiency thermal insulation material includes one or more of the following: polyurethane thermal insulation material, EPS polystyrene board, XPS extruded board, vacuum insulation board, graphite EPS polystyrene board, graphite XPS extruded board, and aerogel thermal insulation material.

[0010] Furthermore, in the outer mold shell and / or the inner mold shell, the Class A fireproof high-strength thermal insulation material is composed of organic and inorganic materials, wherein the organic material is pre-foamed expandable polystyrene particles, and the inorganic material is wrapped around the organic material.

[0011] Furthermore, in the inner mold shell, the detachable template material or the non-detachable template material includes wooden templates, calcium silicate boards, and metal template mesh.

[0012] Furthermore, the outer mold shell is made of graphene insulation material;

[0013] And / or, the material of the inner mold shell is silicon graphene insulation material;

[0014] And / or, the tie member includes a rod and a plurality of limiting structures, the rod passing through the outer mold shell, the wall frame structure and the inner mold shell, and the plurality of limiting structures being connected to the rod and respectively positioned at the positions of the outer mold shell, the wall frame structure and the inner mold shell.

[0015] Furthermore, the material of the wall frame structure includes metal or fiber-reinforced composite materials;

[0016] And / or, the wall frame structure is a reinforcing mesh composed of vertical and horizontal reinforcing ribs, or a reinforcing mesh cage composed of vertical, horizontal and vertical or diagonal reinforcing ribs, or a C-shaped, L-shaped, or H-shaped keel, or a keel frame composed of vertical, horizontal and vertical or diagonal keels;

[0017] And / or, the distance between the wall frame structure and the outer mold shell is in the range of 15-50mm;

[0018] And / or, the distance between the wall frame structure and the inner mold shell is in the range of 15-50mm.

[0019] An insulated wall includes a high-efficiency thermal insulation double-shell prefabricated wall panel structure as described above and a base wall formed by casting the wall material into the wall frame structure.

[0020] Furthermore, the wall material includes ordinary concrete or lightweight concrete;

[0021] And / or, the insulated wall further includes a protective layer, which is connected to the opposite sides of the outer mold shell and / or the inner mold shell.

[0022] Furthermore, the lightweight concrete is a lightweight concrete material with thermal insulation effect, and the lightweight concrete material includes EPS concrete, foamed concrete, and ceramsite concrete.

[0023] And / or, the insulated wall further includes a finishing layer, the finishing layer being attached to the outer side of the protective layer;

[0024] And / or, the insulated wall further includes a leveling layer, which is connected between the protective layer and the outer mold shell and / or the inner mold shell.

[0025] The beneficial effects of this utility model are as follows:

[0026] This utility model discloses a high-efficiency thermal insulation double-shell precast wall panel structure and the insulated wall body comprising it. The outer shell is made of Class A fire-resistant high-strength insulation material or composite insulation board, while the inner shell is made of Class A fire-resistant high-strength insulation material, removable formwork material, non-removable formwork material, or composite insulation board, thus effectively providing fire protection and eliminating fire hazards. The wall frame structure is connected to the outer and inner shells at intervals through several tie members, thereby strengthening the connection with the base wall, effectively preventing falls, and greatly improving the safety and stability of the insulated wall. Furthermore, a large amount of on-site steel reinforcement binding work is completed in the factory through integrated prefabrication, making it more precise and efficient. On-site construction and installation are convenient and efficient, and construction quality is easier to control and more precise, significantly improving manufacturing and installation efficiency. At the same time, the thickness of the insulated wall is optimized, improving the utilization rate of building space. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the internal structure of the high-efficiency thermal insulation double-shell prefabricated wall panel of Embodiment 1 of this utility model.

[0028] Figure 2 This is a schematic diagram of the internal structure of the thermal insulation wall in Embodiment 1 of this utility model.

[0029] Figure 3 This is a schematic diagram of the internal structure of the high-efficiency thermal insulation double-shell prefabricated wall panel of Embodiment 2 of this utility model.

[0030] Figure 4 This is a schematic diagram of the internal structure of the high-efficiency thermal insulation double-shell prefabricated wall panel of Embodiment 3 of this utility model.

[0031] Figure 5 This is a schematic diagram of the internal structure of the high-efficiency thermal insulation double-shell prefabricated wall panel of Embodiment 4 of this utility model.

[0032] Figure 6 This is a schematic diagram of the internal structure of the high-efficiency thermal insulation double-mold prefabricated wall panel of Embodiment 5 of this utility model.

[0033] Figure 7 This is a schematic diagram of the internal structure of the thermal insulation wall in Embodiment 6 of this utility model.

[0034] Explanation of reference numerals in the attached figures:

[0035] Wall frame structure 1

[0036] Outer shell 2

[0037] Class A fireproof high-strength thermal insulation material 21

[0038] High-efficiency thermal insulation material 22

[0039] Inner mold shell 3

[0040] Tie 4

[0041] Member 41

[0042] Limiting structure 42

[0043] Base wall 10

[0044] Wall Material 101

[0045] Topcoat 20

[0046] Leveling layer 30 Detailed Implementation

[0047] The following description of the embodiments is with reference to the accompanying drawings, which illustrate specific embodiments in which the present invention can be implemented.

[0048] Example 1

[0049] like Figure 1 and Figure 2 As shown, this embodiment discloses an insulated wall, which includes a base wall 10 and a high-efficiency thermal insulation double-shell prefabricated wall panel structure. The high-efficiency thermal insulation double-shell prefabricated wall panel structure includes a wall frame structure 1, an outer shell 2, an inner shell 3, and several tie members 4. A pouring space for pouring wall material 101 is formed between the outer shell 2 and the inner shell 3. The wall frame structure 1 is located within the pouring space, and the outer shell 2, the wall frame structure 1, and the inner shell 3 are connected by several tie members 4, so that there is a gap between the wall frame structure 1 and the outer shell 2, and between the wall frame structure 1 and the inner shell 3. The pouring space is formed between the outer shell 2 and the inner shell 3, and the wall frame structure 1 is located within the pouring space between the outer shell 2 and the inner shell 3. The wall material 101 is poured into the pouring space, so that the wall material 101 is poured onto the wall frame structure 1 to form the base wall 10.

[0050] In this embodiment, the outer mold shell 2 is made of Class A fire-resistant high-strength thermal insulation material, and the inner mold shell 3 is made of detachable template material. The outer mold shell 2, being made of Class A fire-resistant high-strength thermal insulation material, effectively provides fire protection and eliminates fire hazards. The inner mold shell 3 is the inner template, and the detachable template material may include wooden templates. The wall material 101 is poured into the pouring space, forming a base wall 10 with the wall frame structure 1. The base wall 10 is connected to the outer mold shell 2, after which the inner template will be removed.

[0051] The wall frame structure 1 is located between the outer mold shell 2 and the inner mold shell 3, and there are gaps between the wall frame structure 1 and the outer mold shell 2, and between the wall frame structure 1 and the inner mold shell 3. The wall frame structure 1 is connected to the outer mold shell 2 and the inner mold shell 3 at intervals by several tie members 4. Then, the wall material 101 is poured to fill the gaps, thereby effectively strengthening the connection strength between the outer mold shell 2 and the base wall 10, effectively preventing falling, and greatly improving the safety and stability of the insulation wall. Moreover, a large amount of on-site steel bar binding work is completed in the factory through integrated prefabrication, which is more precise and efficient. On-site construction and installation are convenient and efficient, and the construction quality is easier to control and more precise. The production efficiency and construction and installation efficiency are significantly improved. At the same time, the thickness of the insulation wall is optimized, improving the utilization rate of building space.

[0052] In this embodiment, the tie member 4 may include a rod 41 and multiple limiting structures 42. The rod 41 passes through the outer mold shell 2, the wall frame structure 1, and the inner mold shell 3. The multiple limiting structures 42 are all connected to the rod 41 and are respectively positioned at the outer mold shell 2, the wall frame structure 1, and the inner mold shell 3. Since the multiple limiting structures 42 are all connected to the rod 41, the tie member 4 can abut against the sides of the outer mold shell 2, the wall frame structure 1, and the inner mold shell 3 through the multiple limiting structures 42, thereby achieving positional positioning of the outer mold shell 2, the wall frame structure 1, and the inner mold shell 3. This ensures that there is a gap between the wall frame structure 1 and the outer mold shell 2, and between the wall frame structure 1 and the inner mold shell 3, effectively strengthening the connection strength between the base wall 10 and the outer mold shell 2 and the inner mold shell 3, effectively preventing falling, and greatly improving the safety and stability of the insulation wall.

[0053] The limiting structure 42 can be a limiting plate. The limiting structure 42 is threadedly connected to the rod 41, thereby enabling precise adjustment of the position of the limiting structure 42 to achieve precise positioning of the outer mold shell 2, the wall frame structure 1, and the inner mold shell 3. After the base wall 10 is formed and the inner template is removed, the exposed rod 41 can be cut off.

[0054] The tie member 4 can also be an anchor. The anchor abuts against the side of the outer mold shell 2 or the inner mold shell 3, and the anchor passes through the outer mold shell 2 or the inner mold shell 3 and is connected to the wall frame structure 1, thereby effectively strengthening the structural connection strength, effectively preventing falling, and greatly improving the safety and stability of the thermal insulation wall.

[0055] The anchor has an outwardly protruding blocking structure on its outer surface. This structure fits tightly against the base wall 10 and the outer or inner mold shell 2, further strengthening the connection and effectively preventing it from falling, thus greatly improving the safety and stability of the insulated wall. The outer surface of the anchor can be covered with insulation material to avoid thermal bridging.

[0056] In the outer shell 2, the Class A fire-resistant high-strength insulation material is composed of organic and inorganic materials. The organic material is pre-foamed expandable polystyrene granules, and the inorganic material is wrapped around the organic material. By using pre-foamed expandable polystyrene granules as the organic material and wrapping the inorganic material around the organic material, it is possible to ensure that, with the same thickness of insulation material, the fire resistance reaches Class A2, the strength meets the relevant product standard requirements, and it is lightweight, eliminating the need for additional inorganic composite boards to enhance its strength and fire resistance.

[0057] The outer shell 2 can be made of graphene insulation material. This effectively ensures the thermal insulation and fire resistance of the high-efficiency thermal insulation double-shell prefabricated wall panel structure, greatly improving the safety and stability of the high-efficiency thermal insulation double-shell prefabricated wall panel structure.

[0058] The wall frame structure 1 is a mesh cage structure. Specifically, the wall frame structure 1 is a reinforced mesh cage composed of vertical, horizontal, and diagonal reinforcing bars. By prefabricating the wall frame structure 1 in the factory, the vertical, horizontal, and diagonal reinforcing bars that originally needed to be tied on-site are prefabricated and connected to the outer mold shell 2 and the inner mold shell 3 through several tie pieces 4, thereby forming a highly efficient and insulated double-mold prefabricated wall panel structure. This further realizes the integrated prefabrication of a large amount of steel bar tying work that originally needed to be done on-site, making it more precise and efficient, which is in line with the development direction of building industrialization. Moreover, on-site construction and installation are convenient and efficient, and the production efficiency and construction and installation efficiency are significantly improved. The wall frame structure 1 can also be a C-shaped, L-shaped, or H-shaped keel, or a keel frame composed of vertical, horizontal, and diagonal keels.

[0059] The wall frame structure 1 can be made of metal; a metal wall frame structure 1 ensures its structural strength. The wall frame structure 1 can also be made of fiber-reinforced composite materials, such as FRP (Fiber Reinforced Polymer / Plastic), which effectively improves the stability of the insulated wall and avoids thermal bridging.

[0060] The spacing between the wall frame structure 1 and the outer formwork 2 ranges from 15 to 50 mm. The spacing between the wall frame structure 1 and the inner formwork 3 also ranges from 15 to 50 mm. The wall material 101 fills the spacing, thereby effectively strengthening the connection between the base wall 10 and the outer and inner formwork 2 and 3, effectively preventing falls, and greatly improving the safety and stability of the insulated wall.

[0061] In this embodiment, the wall material 101 includes ordinary concrete, which is poured into the pouring space to form the base wall 10.

[0062] The insulated wall also includes a facing layer 20, which is connected to the opposite sides of the outer mold shell 2 and / or the inner mold shell 3. In this embodiment, the facing layer 20 is connected to the outer side of the outer mold shell 2, that is, the facing layer 20 is connected to the side of the outer mold shell 2 facing away from the inner mold shell 3. The facing layer 20 has a strengthening protective function, ensuring the good functionality of the insulated wall. The facing layer 20 includes mortar and a mesh fabric. The mortar is connected to the outer side of the outer mold shell 2 facing away from the inner mold shell 3, and the mesh fabric is placed within the mortar. The mesh arrangement in the mortar enhances the overall structural strength of the facing layer 20, and the mortar is used for leveling and protection. Preferably, the mortar is a polymer crack-resistant mortar.

[0063] The insulated wall also includes a finishing layer, which is connected to the outer surface of the protective layer 20. Specifically, the finishing layer is connected to the side of the protective layer 20 facing away from the outer formwork 2. The finishing layer protects the wall, beautifies the building, and meets usage requirements. The material of the finishing layer can be paint, ceramic tile, stone, metal sheet, or UHPC. When the finishing layer is made of UHPC, a reinforcing mesh structure is added within the finishing layer. This reinforcing mesh structure effectively strengthens the structural strength of the finishing layer, greatly improving the stability of the energy-saving wall structure.

[0064] Example 2

[0065] like Figure 3 As shown, the same parts of the high-efficiency thermal insulation double-shell precast wall panel structure as in Embodiment 1 will not be repeated; only the differences will be explained. In Embodiment 2, the outer shell 2 is composed of a composite insulation board. Specifically, in the outer shell 2, the composite insulation board is composed of Class A fire-resistant high-strength insulation material 21 and high-efficiency insulation material 22. The Class A fire-resistant high-strength insulation material 21 is connected to the outer side of the high-efficiency insulation material 22 facing away from the inner shell 3. The wall material 101 is poured into the pouring space, so that the base wall 10 is connected to the high-efficiency insulation material 22 and the inner shell 3. The Class A fire-resistant high-strength insulation material 21 can effectively play a fireproof role and eliminate fire hazards; the high-efficiency insulation material 22 significantly improves the thermal insulation performance, providing optimization of the overall thermal insulation effect of the high-efficiency thermal insulation double-shell precast wall panel structure, achieving fire safety, flame retardancy and fire prevention, and excellent thermal insulation effect of the high-efficiency thermal insulation double-shell precast wall panel structure.

[0066] The high-efficiency thermal insulation material 22 includes one or more of the following: polyurethane thermal insulation material, EPS polystyrene board, XPS extruded polystyrene board, vacuum insulation board, graphite EPS polystyrene board, graphite XPS extruded polystyrene board, and aerogel thermal insulation material. When the high-efficiency thermal insulation material 22 includes multiple of the following: polyurethane thermal insulation material, EPS polystyrene board, XPS extruded polystyrene board, vacuum insulation board, graphite EPS polystyrene board, graphite XPS extruded polystyrene board, and aerogel thermal insulation material, these multiple materials are stacked on top of each other to achieve a high-efficiency thermal insulation effect.

[0067] In this embodiment 2, the inner mold shell 3 is made of a non-removable template material. Specifically, the non-removable template material in the inner mold shell 3 includes calcium silicate board. This further enhances the fire resistance of the insulated wall and eliminates fire hazards.

[0068] The wall frame structure 1 is mesh-like. Specifically, the wall frame structure 1 is a reinforcing mesh composed of vertical and horizontal reinforcing ribs. There is one reinforcing mesh, which is spaced apart from the outer mold shell 2 and the inner mold shell 3. The structure is simple and easy to install.

[0069] Example 3

[0070] like Figure 4 As shown, the same parts of the high-efficiency thermal insulation double-shell precast wall panel structure in Embodiment 3 as in Embodiment 1 will not be repeated; only the differences will be explained. In Embodiment 3, the inner shell 3 is made of Class A fire-resistant high-strength thermal insulation material, thereby effectively playing a fireproof role and further eliminating fire hazards.

[0071] In this embodiment 3, both the inner mold shell 3 and the outer mold shell 2 are made of Class A fire-resistant high-strength insulation material. In the inner mold shell 3, the Class A fire-resistant high-strength insulation material is composed of organic and inorganic materials, wherein the organic material is pre-foamed expandable polystyrene granules, and the inorganic material is wrapped around the organic material. By using pre-foamed expandable polystyrene granules as the organic material and wrapping the inorganic material around the organic material, it is ensured that, with the same thickness of insulation material, the fire resistance reaches Class A2, the strength meets the relevant product standard requirements, and it is lightweight, eliminating the need for additional inorganic composite boards to enhance its strength and fire resistance.

[0072] The inner mold shell 3 can be made of graphene insulation material. This effectively ensures the thermal insulation and fire resistance of the high-efficiency thermal insulation double-mold precast wall panel structure, and greatly improves the safety and stability of the high-efficiency thermal insulation double-mold precast wall panel structure.

[0073] In this embodiment 3, the wall frame structure 1 is mesh-like. Specifically, the wall frame structure 1 is a reinforcing mesh composed of vertical and horizontal reinforcing ribs. There are two reinforcing meshes, and the two reinforcing meshes are spaced apart from the outer mold shell 2 and the inner mold shell 3. Of course, in other embodiments, the specific number of reinforcing meshes is not limited.

[0074] Example 4

[0075] like Figure 5 As shown, the same parts of the high-efficiency thermal insulation double-shell precast wall panel structure in Embodiment 4 as in Embodiment 1 will not be repeated; only the differences will be explained. In Embodiment 4, the inner shell 3 is composed of detachable or non-detachable template material. In the inner shell 3, the detachable or non-detachable template material includes a metal template mesh, which is supported and fixed by several tie members 4. The wall material 101 is poured into the pouring space, so that the base wall 10 is connected to the metal template mesh.

[0076] Of course, in other embodiments, the inner mold shell 3 includes one or more of the following: wooden template, calcium silicate board, and metal template mesh. When the inner mold shell 3 includes multiple components, the various materials can be layered.

[0077] Example 5

[0078] like Figure 6As shown, the same parts of the high-efficiency thermal insulation double-shell precast wall panel structure in Embodiment 5 as in Embodiment 1 will not be repeated; only the differences will be explained. In Embodiment 5, the inner shell 3 is composed of a composite insulation board. Specifically, in the inner shell 3, the composite insulation board is composed of Class A fire-resistant high-strength insulation material 21 and high-efficiency insulation material 22. The Class A fire-resistant high-strength insulation material 21 is connected to the side of the high-efficiency insulation material 22 facing away from the outer shell 2. The wall material 101 is poured into the pouring space, so that the base wall 10 is connected to the high-efficiency insulation material 22 and the outer shell 2. The Class A fire-resistant high-strength insulation material 21 can effectively play a fireproof role and eliminate fire hazards; the high-efficiency insulation material 22 significantly improves the thermal insulation performance, providing optimization of the overall thermal insulation effect of the high-efficiency thermal insulation double-shell precast wall panel structure, achieving fire safety, flame retardancy and fire prevention, and excellent thermal insulation effect of the high-efficiency thermal insulation double-shell precast wall panel structure.

[0079] The high-efficiency thermal insulation material 22 includes one or more of the following: polyurethane thermal insulation material, EPS polystyrene board, XPS extruded polystyrene board, vacuum insulation board, graphite EPS polystyrene board, graphite XPS extruded polystyrene board, and aerogel thermal insulation material. When the high-efficiency thermal insulation material 22 includes multiple of the following: polyurethane thermal insulation material, EPS polystyrene board, XPS extruded polystyrene board, vacuum insulation board, graphite EPS polystyrene board, graphite XPS extruded polystyrene board, and aerogel thermal insulation material, these multiple materials are stacked on top of each other to achieve a high-efficiency thermal insulation effect.

[0080] Example 6

[0081] like Figure 7 As shown, the same parts of the insulated wall in Embodiment 6 as those in Embodiment 1 will not be repeated; only the differences will be explained. In Embodiment 6, the outer mold shell 2 is composed of a composite insulation board. Specifically, in the outer mold shell 2, the composite insulation board is composed of Class A fire-resistant high-strength insulation material 21 and high-efficiency insulation material 22. The Class A fire-resistant high-strength insulation material 21 is connected to the outer side of the high-efficiency insulation material 22 facing away from the inner mold shell 3. The wall material 101 is poured into the pouring space, so that the base wall 10 is connected to the high-efficiency insulation material 22 and the inner mold shell 3. The Class A fire-resistant high-strength insulation material 21 can effectively play a fireproof role and eliminate fire hazards; the high-efficiency insulation material 22 significantly improves the insulation performance, providing optimization of the overall insulation effect of the high-efficiency insulation double-mold precast wall panel structure, realizing the fire safety, flame retardancy and fire prevention of the high-efficiency insulation double-mold precast wall panel structure, while also taking into account excellent insulation effect.

[0082] In this embodiment 6, the wall material 101 includes lightweight concrete. Specifically, the lightweight concrete can be a lightweight concrete material with thermal insulation properties. Preferably, the lightweight concrete material includes EPS concrete, foamed concrete, and ceramsite concrete, thereby effectively reducing the self-weight of the insulated wall and effectively enhancing its thermal insulation performance.

[0083] When leveling is required, a leveling layer 30 can be added between the outer mold shell 2 and / or the inner mold shell 3 and the protective layer 20. The insulated wall also includes a leveling layer 30, which connects the protective layer 20 to the outer mold shell 2 and / or the inner mold shell 3. In this embodiment 6, the leveling layer 30 is connected between the protective layer 20 and the outer mold shell 2. The leveling layer 30 can achieve leveling of the outer surface of the outer mold shell 2, effectively preventing the collapse of the high-efficiency thermal insulation double-mold precast wall panel structure, and greatly improving the safety and stability of the insulated wall.

[0084] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A high thermally efficient double skin precast wall panel construction, characterised in that, It includes an outer mold shell, an inner mold shell, a wall frame structure, and several tie members. The outer mold shell and the inner mold shell are spaced apart to form a pouring space for pouring wall material. The wall frame structure is located within the pouring space, and the outer mold shell, the wall frame structure, and the inner mold shell are connected by several tie members to ensure that there is a gap between the wall frame structure and the outer mold shell, and between the wall frame structure and the inner mold shell. The outer mold shell is made of Class A fireproof high-strength thermal insulation material or composite thermal insulation board, and the inner mold shell is made of Class A fireproof high-strength thermal insulation material, removable template material, non-removable template material, or composite thermal insulation board.

2. The high-efficiency thermal insulation double-shell prefabricated wall panel structure as described in claim 1, characterized in that, In the outer mold shell and / or the inner mold shell, the composite insulation board is composed of Class A fire-resistant high-strength insulation material and high-efficiency insulation material.

3. The high-efficiency thermal insulation double-shell precast wall panel structure as described in claim 2, characterized in that, The high-efficiency thermal insulation material includes one or more of the following: polyurethane thermal insulation material, EPS polystyrene board, XPS extruded board, vacuum insulation board, graphite EPS polystyrene board, graphite XPS extruded board, and aerogel thermal insulation material.

4. The high-efficiency thermal insulation double-shell precast wall panel structure as described in claim 1 or 2, characterized in that, In the outer mold shell and / or the inner mold shell, the Class A fireproof high-strength thermal insulation material is composed of organic and inorganic materials, wherein the organic material is pre-foamed expandable polystyrene particles, and the inorganic material is wrapped around the organic material.

5. The high thermally efficient double-skin facade precast wall panel construction of claim 1, wherein, In the inner mold shell, the detachable template material or the non-detachable template material includes wooden templates, calcium silicate boards, and metal template mesh.

6. The high-efficiency thermal insulation double-shell precast wall panel structure as described in claim 1, characterized in that, The outer mold shell is made of silicon graphene insulation material; And / or, the material of the inner mold shell is silicon graphene insulation material; And / or, the tie member includes a rod and a plurality of limiting structures, the rod passing through the outer mold shell, the wall frame structure and the inner mold shell, and the plurality of limiting structures being connected to the rod and respectively positioned at the positions of the outer mold shell, the wall frame structure and the inner mold shell.

7. The high thermally efficient double-skin facade precast wall panel construction of claim 1, wherein, The wall frame structure is made of metal or fiber-reinforced composite materials; And / or, the wall frame structure is a reinforcing mesh composed of vertical and horizontal reinforcing ribs, or a reinforcing mesh cage composed of vertical, horizontal and vertical or diagonal reinforcing ribs, or a C-shaped, L-shaped, or H-shaped keel, or a keel frame composed of vertical, horizontal and vertical or diagonal keels; And / or, the distance between the wall frame structure and the outer mold shell is in the range of 15-50mm; And / or, the distance between the wall frame structure and the inner mold shell is in the range of 15-50mm.

8. An insulating wall, characterized in that It includes the high-efficiency thermal insulation double-shell precast wall panel structure as described in any one of claims 1-7 and the base wall formed by casting the wall material into the wall frame structure.

9. The thermal insulation wall of claim 8, wherein The wall material includes ordinary concrete or lightweight concrete; And / or, the insulated wall further includes a protective layer, which is connected to the opposite sides of the outer mold shell and / or the inner mold shell.

10. The thermal wall of claim 9, wherein The lightweight concrete is a lightweight concrete material with thermal insulation effect, including EPS concrete, foamed concrete, and ceramsite concrete. And / or, the insulated wall further includes a finishing layer, the finishing layer being attached to the outer side of the protective layer; And / or, the insulated wall further includes a leveling layer, which is connected between the protective layer and the outer mold shell and / or the inner mold shell.