Composite wall panel
By combining the frame structure and the grouting material, and using a composite wall panel design with steel mesh and insulation layer components, the contradiction between strength and density of foamed concrete wall panels in improving thermal insulation performance is resolved, achieving efficient improvement in thermal performance without increasing cost or complicating processes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HAINAN CONSTR ENG
- Filing Date
- 2024-12-27
- Publication Date
- 2026-06-09
AI Technical Summary
While existing foamed concrete composite wall panels improve thermal insulation performance, there is often a contradiction between strength and density, leading to increased construction difficulty and cost.
The method employs a combination of frame structure and grouting material. The frame structure includes a frame body and an insulation layer assembly. The frame body is equipped with steel mesh and connectors. The grouting material is 800-grade foamed concrete. The insulation layer assembly is composed of fiber paper and phase change vacuum ceramics, and is formed by casting through a mold.
While ensuring the strength and density of the wall, it significantly improves thermal performance and reduces construction complexity and cost.
Smart Images
Figure CN224338499U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building materials technology, and in particular to a composite wall panel. Background Technology
[0002] With the accelerated development of prefabricated buildings, development indicators are becoming clearer and requirements are becoming increasingly stringent. Various types of components are entering a development stage characterized by high quality, high requirements, multiple performance aspects, and green and low-carbon features. Prefabricated composite wall panels, due to their lightweight, good thermal insulation and sound insulation properties, and convenient installation, have been widely used in prefabricated walls.
[0003] Foamed concrete wall panels are mainly composed of expanded clay aggregate and foamed concrete, offering advantages such as high strength, light weight, and good thermal insulation performance, meeting the requirements of prefabricated building standards. However, the thermal insulation performance of existing foamed concrete composite wall panels is directly related to their density and strength; generally, better thermal insulation performance results in lighter density and lower strength. Improving thermal insulation performance while maintaining strength, or using high-strength panels for the surface layer and low-density foamed concrete for the core layer, increases construction difficulties and often necessitates significant cost increases. This hinders the widespread application of foamed concrete walls.
[0004] Therefore, how to effectively improve the thermal performance of the wall while minimizing the impact on its strength and density is a technical problem that needs to be solved by those skilled in the art. Utility Model Content
[0005] The purpose of this invention is to provide a composite wall panel that can effectively improve the thermal performance of the wall while having little impact on the wall's strength and density.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] A composite wall panel, cast in a mold, comprising:
[0008] A frame structure that can be placed in the cavity of a mold, the frame structure includes a frame and an insulation layer assembly disposed within the frame.
[0009] The injection material can be poured into the receiving cavity through the injection port of the mold so that the insulation layer component is fixed relative to the frame, and the frame structure and the injection material are formed into a composite wall panel.
[0010] Preferably, the frame includes a first steel mesh and a second steel mesh that are parallel to each other and spaced apart. The first steel mesh and the second steel mesh are connected by connectors, and the insulation layer assembly is disposed between the first steel mesh and the second steel mesh.
[0011] Preferably, the insulation layer assembly is located in the middle of the connector, and the insulation layer assembly includes: fiber paper and a third steel mesh and a fourth steel mesh for fixing the fiber paper.
[0012] Preferably, the fiber paper is coated with phase change vacuum ceramic on both sides or one side.
[0013] Preferably, the phase change vacuum ceramic has a thickness of 0.6 mm.
[0014] Preferably, the first, second, third, and fourth steel meshes each include several staggered steel bars, which are vertically connected and the distance between adjacent steel bars is 200mm.
[0015] As a preferred option, the grouting material is specifically 800-grade foamed concrete.
[0016] Preferably, the connector is made of glass fiber.
[0017] Compared with the above-mentioned background technology, the present invention provides a composite wall panel, which is cast in a mold and includes: a frame structure and a casting material; the frame structure can be placed in the receiving cavity of the mold, and the frame structure includes a frame and an insulation layer component disposed in the frame; the casting material can be poured into the receiving cavity along the pouring port of the mold so that the insulation layer component is fixed relative to the frame, and the frame structure and the casting material are formed into a composite wall panel.
[0018] Specifically, the composite wall panel provided in this embodiment is cast from grout and has an internal frame and insulation layer. The frame can connect the grout walls on both sides of the insulation layer assembly to ensure the mechanical properties of the composite wall panel. The central insulation layer assembly can effectively reduce the heat transfer coefficient of the composite wall panel, giving it higher thermal performance. This design can effectively improve the thermal performance of the composite wall panel while ensuring its mechanical properties, without causing significant cost increases or process complexity. Attached Figure Description
[0019] 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 embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the composite wall panel structure provided in an embodiment of the present utility model.
[0021] in:
[0022] 100 - Grouting material, 200 - First reinforcing mesh, 300 - Second reinforcing mesh, 400 - Connector, 500 - Fiber paper, 600 - Third reinforcing mesh, 700 - Fourth reinforcing mesh. Detailed Implementation
[0023] 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 protection scope of the present utility model.
[0024] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the indicated position or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this utility model.
[0026] The purpose of this invention is to provide a composite wall panel that can effectively improve the thermal performance of the wall while having little impact on the wall's strength and density.
[0027] To achieve the above objectives, the present invention provides the following technical solution:
[0028] Please see Figure 1 This embodiment provides a composite wall panel, which is cast in a mold and includes: a frame structure and a casting material 100; the frame structure can be placed in the receiving cavity of the mold, and the frame structure includes a frame and an insulation layer component disposed in the frame; the casting material 100 can be poured into the receiving cavity along the pouring port of the mold so that the insulation layer component is fixed relative to the frame, and the frame structure and the casting material 100 are formed into a composite wall panel.
[0029] In this embodiment, the composite wall panel is cast using grout 100. However, the grout 100 includes a frame structure inside. The frame structure ensures the mechanical properties of the composite wall panel, while the insulation layer components inside the frame structure ensure that the thermal properties of the wall panel are met. The grout 100 is generally concrete.
[0030] In this embodiment, the composite wall panel is manufactured by first building a mold of appropriate size and thickness, then placing the frame in the appropriate position inside the mold's cavity, and then adding the injection material 100 through the mold's injection port. After a portion is injected, the insulation layer assembly is placed in the middle of the composite wall panel. After the arrangement is completed, the injection material 100 is poured again until the mold is full. Finally, after the injection material 100 solidifies, the mold is removed to complete the manufacturing of the composite wall panel.
[0031] Of course, the frame in this embodiment is generally made of steel bars, which are laid inside the composite wall panel to ensure the mechanical properties of the composite wall panel; while the insulation layer component can be made of a material with low thermal conductivity, and the setting of the insulation layer component needs to ensure that heat cannot be easily conducted through the composite wall panel; it should be noted that the insulation layer component and the frame need to be connected together when pouring the grout 100 to avoid the insulation layer component moving during pouring, which would cause its position in the composite wall panel to change, thereby affecting the thermal performance of the composite wall panel.
[0032] In other words, the composite wall panel provided in this embodiment is cast from grout 100 and has a frame and insulation layer inside. The frame can connect the grout 100 walls on both sides of the insulation layer assembly to ensure the mechanical properties of the composite wall panel. The central insulation layer assembly can effectively reduce the heat transfer coefficient of the composite wall panel, giving it higher thermal performance. This design can effectively improve the thermal performance of the composite wall panel while ensuring its mechanical properties, without causing a significant increase in cost or process complexity.
[0033] Preferably, the frame includes a first steel mesh 200 and a second steel mesh 300 that are parallel to each other and spaced apart. The first steel mesh 200 and the second steel mesh 300 are connected by a connector 400, and the insulation layer assembly is disposed between the first steel mesh 200 and the second steel mesh 300.
[0034] Specifically, such as Figure 1 As shown, in this embodiment, the frame is provided with two layers, namely the first steel mesh 200 and the second steel mesh 300, and the insulation layer component is located between the first steel mesh 200 and the second steel mesh 300. The two insulation layer components are parallel to each other, but there is a certain gap between the insulation layer components and the two to allow for the filling of the injection material 100.
[0035] Meanwhile, in order to connect the first steel mesh 200, the second steel mesh 300, and the insulation layer component, a connector 400 is inserted in the perpendicular direction of the three. The connector 400 is a rod-shaped structure that passes through the first steel mesh 200, the insulation layer component, and the second steel mesh 300 sequentially from top to bottom. The connection between the connector 400 and the three can be made by wire. Of course, other connection methods can be selected according to the actual situation, which are not limited in this article. In addition, when pouring the composite wall panel, the grout 100 needs to be poured over both ends of the connector 400 to prevent the connector 400 from protruding from the composite wall panel.
[0036] In addition, the material of the connector 400 can be made of ordinary steel bars or other materials, but it needs to have a certain hardness and strength to ensure that the first steel mesh 200 and the second steel mesh 300 remain stable when connecting them so that the grout 100 can be poured.
[0037] Moreover, in this embodiment, the frame is set with two layers, but in the actual production of composite panels, the frame can be set with multiple layers of parallel and spaced steel mesh. At the same time, the insulation layer component can also be set with multiple layers according to actual needs. For example, three layers of steel mesh can be set, and an insulation layer component can be set between each two adjacent layers of steel mesh. This can accommodate composite wall panels with greater thickness without reducing their mechanical and thermal properties.
[0038] Preferably, the insulation layer assembly is located in the middle of the connector 400. The insulation layer assembly includes: fiber paper 500 and a third steel mesh 600 and a fourth steel mesh 700 for fixing the fiber paper 500.
[0039] In this embodiment, the insulation layer assembly is located in the middle between the first steel mesh 200 and the second steel mesh 300, that is, in the middle of the connector 400. The insulation layer assembly in this embodiment is specifically made of fiber paper 500, which has a thermal conductivity of no more than 0.17 W / (m·K). It is sandwiched in the middle of the composite wall panel and can effectively reduce the overall heat transfer coefficient of the composite wall panel.
[0040] Understandably, the fiber paper 500 is relatively soft and is prone to displacement, deformation, or folding during the pouring of the grout 100. Therefore, in this embodiment, a third steel mesh 600 and a fourth steel mesh 700 are also provided. The third steel mesh 600 and the fourth steel mesh 700 are respectively attached to the upper and lower sides of the fiber paper 500 to fix the fiber paper 500. In this way, no matter how much grout 100 is poured, the fiber paper 500 will not deform or wrinkle. Moreover, the setting of the third steel mesh 600 and the fourth steel mesh 700 can also enhance the overall mechanical properties of the composite wall panel.
[0041] Furthermore, the fiber paper 500 is coated with phase change vacuum ceramic on both sides or one side.
[0042] In this embodiment, in order to further reduce the thermal conductivity of the fiber paper 500, a phase change vacuum ceramic is coated on the upper and lower sides or one side of the fiber paper 500. The thermal conductivity of the phase change vacuum ceramic is no greater than 0.003 W / (m·K). When combined with the fiber paper 500, it will further reduce the overall heat transfer coefficient of the composite wall panel, so that it can have better thermal insulation performance.
[0043] Preferably, the phase change vacuum ceramic has a thickness of 0.6 mm.
[0044] Specifically, the thickness of the phase change vacuum ceramic is generally selected to be above 0.4 mm, while the thickness of the phase change vacuum ceramic coating in this embodiment is preferably 0.6 mm. This can reduce the overall heat transfer coefficient of the composite wall panel without significantly increasing the manufacturing cost of the composite wall panel. Of course, the coating thickness of the phase change vacuum ceramic can also be adjusted according to actual needs, and this article does not make specific limitations.
[0045] Preferably, the first steel mesh 200, the second steel mesh 300, the third steel mesh 600 and the fourth steel mesh 700 each include several steel bars arranged in an alternating manner, the steel bars are vertically connected, and the distance between two adjacent steel bars is 200mm.
[0046] In this embodiment, the first steel mesh 200, the second steel mesh 300, the third steel mesh 600 and the fourth steel mesh 700 are all composed of steel bars, and several steel bars are interwoven to form a grid structure. In this embodiment, each grid is a 200mm×200mm square.
[0047] As a preferred option, the grouting material 100 is specifically 800-grade foamed concrete.
[0048] In this embodiment, the grout 100 is specifically 800-grade foamed concrete, which has a strength greater than 5 MPa and a density of 800 kg / m³. 3 Furthermore, its thermal conductivity is no greater than 0.16 W / (m·K), which ensures both the overall strength and thermal performance of the composite wall panel.
[0049] Preferably, the connector 400 is made of glass fiber.
[0050] In this embodiment, the connector 400 is preferably made of glass fiber, which has high strength, light weight, and low thermal conductivity, effectively preventing the formation of thermal bridges.
[0051] In summary, this embodiment provides a composite wall panel made of 800-grade foamed concrete. Internally, it has a frame consisting of a first reinforcing mesh 200 and a second reinforcing mesh 300, connected by a fiberglass connector 400. An insulation layer assembly is laid between the first and second reinforcing meshes 200 and 300. Specifically, the insulation layer assembly consists of fiber paper 500 sandwiched between a third reinforcing mesh 600 and a fourth reinforcing mesh 700. The fiber paper 500 is coated with a 0.6mm thick phase change vacuum ceramic on both its upper and lower sides. The fiber paper 500 and the coated phase change vacuum ceramic material have low thermal conductivity, effectively reducing the heat transfer coefficient of the composite wall panel and giving it high thermal performance. The fiberglass connector 400 effectively connects the two concrete wall layers separated by the fiber paper 500, ensuring the mechanical properties of the composite wall panel. This design allows the composite wall panel to effectively improve its thermal performance while maintaining its mechanical properties, without significantly increasing costs or complicating the manufacturing process.
[0052] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.
[0053] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.
[0054] The embodiments provided by this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.
Claims
1. A composite wall panel, cast in a mold, characterized in that, include: A frame structure, which can be placed in the receiving cavity of the mold, the frame structure includes a frame and an insulation layer assembly disposed within the frame; The injection material (100) can be injected into the receiving cavity through the injection port of the mold so that the insulation layer assembly is fixed relative to the frame, and the frame structure and the injection material (100) are formed into the composite wall panel.
2. The composite wall panel according to claim 1, characterized in that, The frame includes a first steel mesh (200) and a second steel mesh (300) that are parallel to each other and spaced apart. The first steel mesh (200) and the second steel mesh (300) are connected by a connector (400). The insulation layer assembly is disposed between the first steel mesh (200) and the second steel mesh (300).
3. The composite wall panel according to claim 2, characterized in that, The insulation layer assembly is located in the middle of the connector (400), and the insulation layer assembly includes: fiber paper (500) and a third steel mesh (600) and a fourth steel mesh (700) for fixing the fiber paper (500).
4. The composite wall panel according to claim 3, characterized in that, The fiber paper (500) is coated with phase change vacuum ceramic on both sides or one side.
5. The composite wall panel according to claim 4, characterized in that, The phase change vacuum ceramic has a thickness of 0.6 mm.
6. The composite wall panel according to claim 3, characterized in that, The first steel mesh (200), the second steel mesh (300), the third steel mesh (600) and the fourth steel mesh (700) each include a number of steel bars arranged in an alternating manner. The steel bars are vertically connected and the distance between two adjacent steel bars is 200mm.
7. The composite wall panel according to claim 1, characterized in that, The grouting material (100) is specifically 800 grade foamed concrete.
8. The composite wall panel according to claim 2, characterized in that, The connector (400) is specifically made of glass fiber.