Composite wall panel

Abstract

The application discloses a composite wallboard, comprising a plurality of light steel keel wallboards spliced together, and a broken bridge structure is adopted at the splicing part between the light steel keel wallboards. The broken bridge structure comprises a plurality of broken bridge layer pads, a first thermal insulation material and sealing paste, the broken bridge layer pads are located at the outer side of the steel column skeleton of each light steel keel wallboard. The first thermal insulation material is filled in the splicing joint between the light steel keel wallboards, and the sealing paste is arranged at the splicing joint between the light steel keel wallboards. The scheme provided in the application is based on the heat bridge effect, and the broken bridge structure for optimizing the heat bridge problem existing at the joint of the existing light steel keel grouting composite wallboard is proposed from the light steel keel structure system, the thermal performance of the light steel keel grouting composite wallboard is improved, and the problem of the heat bridge influence of the light steel keel grouting composite wallboard in the prior art is solved to a certain extent.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of prefabricated buildings, in particular to a composite wallboard. BACKGROUND

[0002] At present, with the transformation and upgrading of the construction industry, the development of prefabricated buildings is vigorously promoted, and innovative prefabricated building design, optimization of parts production, and improvement of prefabricated construction level are clearly defined as the promotion direction of the future construction industry. The prefabricated steel structure envelope system is one of the commonly used prefabricated components of prefabricated buildings. Through the optimization of the node structure, the thermal performance of the steel structure is improved, and the effect of the steel structure envelope system is reduced.

[0003] The light steel keel grouting composite wallboard has a significant increase in local heat loss due to the presence of steel keel, thereby forming a significant thermal bridge effect at the steel keel and wallboard joint, which may further cause the appearance of the thermal bridge of the outer wall. If these thermal bridge parts are not paid attention to, the building energy consumption and condensation phenomenon will increase significantly. Based on this, the thermal bridge effect of the light steel keel grouting composite wallboard should be paid special attention to.

[0004] Therefore, it is necessary to propose a scheme that can effectively solve the thermal bridge effect of the light steel keel grouting composite wallboard.

[0005] It should be noted that the information disclosed in the background section of the present application is only intended to deepen the understanding of the general background of the present application, and should not be regarded as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. SUMMARY

[0006] The purpose of the present application is to provide a composite wallboard for solving the problem of the thermal bridge effect of the light steel keel grouting composite wallboard in the prior art.

[0007] In order to solve the above technical problems, the present application provides a composite wallboard, which is composed of a plurality of light steel keel wallboards spliced together, and the splicing part between the light steel keel wallboards adopts a broken bridge structure.

[0008] The broken bridge structure comprises a plurality of broken bridge layer pads, a first thermal insulation material, and a sealing paste.

[0009] The broken bridge layer pad is located on the outer side of the steel column skeleton of each light steel keel wallboard.

[0010] The first thermal insulation material is filled in the splicing joint between the light steel keel wallboards.

[0011] The sealing paste is arranged at the splicing joint between the light steel keel wallboards.

[0012] Optionally, the light steel wallboard comprises two prefabricated panels, a steel column skeleton, a second thermal insulation material and a connecting assembly.

[0013] The second thermal insulation material is filled between the two prefabricated panels.

[0014] The steel column skeleton is arranged between the two prefabricated panels.

[0015] The two prefabricated panels and the steel column skeleton are connected through the connecting assembly.

[0016] Optionally, the broken bridge layer cushion block is arranged between the steel column skeleton and the prefabricated panel.

[0017] Optionally, the connecting assembly comprises a bolt assembly.

[0018] Optionally, the prefabricated panel, the steel column skeleton and the broken bridge layer cushion block are all provided with threaded holes, so that the bolt assembly passes through.

[0019] Optionally, the bolt assembly is made of non-metallic material.

[0020] Optionally, a plurality of reserved holes are arranged on the column web of the steel column skeleton, the interval between the plurality of reserved holes is less than 600mm, and the distance between the reserved hole and the column edge of the steel column skeleton is less than 300mm.

[0021] Optionally, the second thermal insulation material comprises polystyrene particle foam concrete and vitrified microsphere foam concrete.

[0022] Optionally, the broken bridge layer cushion block is made of non-metallic thermal resistance breaking material.

[0023] Optionally, the thickness of the broken bridge layer cushion block is greater than 10mm.

[0024] Compared with the prior art, the present application has the following beneficial effects:

[0025] The application provides a composite wallboard, which comprises a plurality of light steel keel wallboards spliced together, and a broken bridge structure is arranged at the splicing position between the light steel keel wallboards. The broken bridge structure comprises a plurality of broken bridge layer pads, a first thermal insulation material and sealing paste, and the broken bridge layer pads are arranged on the outer side of the steel column framework of each light steel keel wallboard. The first thermal insulation material is filled in the splicing joint between the light steel keel wallboards, and the sealing paste is arranged in the splicing joint between the light steel keel wallboards. The scheme provided by the application is based on the heat bridge effect, and the heat bridge problem existing in the light steel keel part and the wallboard joint part of the existing light steel keel grouting composite wallboard is optimized by starting from the light steel keel structure system, so that the thermal performance of the light steel keel grouting composite wallboard is improved, and the problem of the heat bridge influence of the light steel keel grouting composite wallboard in the prior art is solved to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 A structural schematic diagram of a composite wallboard is provided for the embodiment of the application.

[0027] Fig. 2 A relationship diagram among a C-shaped steel column framework, a prefabricated panel and a plurality of broken bridge layer pads in the composite wallboard is provided for the embodiment of the application.

[0028] Fig. 3 A horizontal sectional view of the internal broken bridge structure of a light steel keel composite wallboard single panel is provided for the embodiment of the application.

[0029] Fig. 4 A vertical sectional view of the internal broken bridge structure of a light steel keel composite wallboard single panel is provided for the embodiment of the application.

[0030] 10-prefabricated panel, 20-steel column framework, 30-second thermal insulation material, 40-connecting assembly, 50-broken bridge layer pad, 60-first thermal insulation material, 70-sealing paste, 80-prefabricated hole. DETAILED DESCRIPTION

[0031] The specific embodiments of the application will be described in detail below with reference to the accompanying drawings. The advantages and features of the application will be more apparent according to the following description and claims. It should be noted that the drawings are very simplified and non-precise in proportion, and are only used to facilitate and clarify the purpose of assisting the description of the embodiments of the application.

[0032] In the description of the application, it should be understood that the terms "center", "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0033] Moreover, the terms "first", "second", etc. are used herein for descriptive purposes only and cannot be construed as indicating or implying relative importance or an indicated number of technical features. Thus, features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0034] Please refer to Figs. 1 to 4 The application provides a composite wallboard, comprising a plurality of light steel keel wallboards spliced together, wherein a broken bridge structure is used at the splicing part between the light steel keel wallboards.

[0035] The broken bridge structure comprises a plurality of broken bridge layer pads 50, a first thermal insulation material 60 and a sealing paste 70.

[0036] The broken bridge layer pad 50 is located at the outer side of the steel column skeleton 20 of each light steel keel wallboard.

[0037] The first thermal insulation material 60 is filled in the splicing joint between the light steel keel wallboards.

[0038] The sealing paste 70 is arranged at the splicing joint between the light steel keel wallboards.

[0039] Optionally, the light steel keel wallboard comprises two prefabricated panels 10, a steel column skeleton 20, a second thermal insulation material 30 and a connecting assembly 40.

[0040] The second thermal insulation material 30 is arranged between the two prefabricated panels 10.

[0041] The steel column skeleton 20 is arranged between the two prefabricated panels 10.

[0042] The two prefabricated panels 10 and the steel column skeleton 20 are connected through the connecting assembly 40.

[0043] In the embodiment, the steel column skeleton 20 can be a C-shaped steel column skeleton 20.

[0044] Optionally, the broken bridge layer pad 50 is arranged between the steel column skeleton 20 and the prefabricated panel 10.

[0045] Optionally, the connecting assembly 40 comprises a bolt assembly.

[0046] Optionally, the prefabricated panel 10, the steel column skeleton 20 and the broken bridge layer pad 50 are all provided with threaded holes, so that the bolt assembly can pass through.

[0047] Optionally, the bolt assembly is made of non-metallic material. In the embodiment, the prefabricated panel 10 can be made of factory-prepared cement fiber board or gypsum board, which has the characteristics of high strength, light weight, no breakage, no continuous folding, and high impact resistance; good processing and secondary decoration performance: can be freely cut, drilled according to needs; through the bolt assembly of non-metallic material passing through the bolt hole of the steel column skeleton 20 and the broken bridge layer cushion block 50, the connection of the prefabricated panel 10 and the steel column skeleton 20 is realized.

[0048] Further, in the embodiment, a plurality of reserved holes 80 are arranged on the column web of the steel column skeleton 20, the interval between the plurality of reserved holes 80 is less than 600mm, and the reserved hole 80 and the column edge of the steel column skeleton 20 are spaced apart by less than 300mm. The improved C-shaped steel column skeleton 20 reduces heat transfer through the reserved holes 80 on the column web, the interval between the reserved holes 80 is less than 600mm, and the reserved hole 80 and the column edge are spaced apart by less than 300mm; the hollow of the hole C-shaped steel column skeleton 20 can hinder heat transfer, and the heat conduction path of heat along the keel web can be significantly increased, thereby significantly reducing the local thermal bridge effect.

[0049] Optionally, the second thermal insulation material 30 includes polystyrene particle foam concrete and vitrified microsphere foam concrete. By pouring light thermal insulation material into the cavity formed by the prefabricated panel 10 and the C-shaped steel column skeleton 20, the light thermal insulation material includes polystyrene particle foam concrete and vitrified microsphere foam concrete, a seamless flexible connection composite wall is formed by pouring, and the heat insulation effect of the composite wallboard is achieved.

[0050] Optionally, the broken bridge layer cushion block 50 is made of non-metallic thermal resistance breaking material.

[0051] Optionally, the thickness of the broken bridge layer cushion block 50 is greater than 10mm.

[0052] The broken bridge structure of the C-shaped steel column skeleton 20 is formed by placing the broken bridge layer cushion block 50 between the outside of the C-shaped steel column skeleton 20 and the prefabricated panel 10, and the broken bridge layer cushion block 50 is made of non-metallic thermal resistance breaking material, such as oriented strand board (OSB board). In order to achieve obvious thermal resistance breaking effect, the thickness of the broken bridge layer cushion block 50 should not be less than 10-12mm; through the bolt assembly of non-metallic material passing through the bolt hole of the C-shaped steel column skeleton 20 and the broken bridge layer cushion block 50, the connection of the prefabricated panel 10 and the C-shaped steel column skeleton 20 is realized.

[0053] The broken bridge structure between the panel joints of the two light steel keel wallboards is formed by selecting a flexible connection method at the joint of the wallboard, filling the internal thermal insulation material, and sealing treatment with sealing paste 70, which helps to reduce the influence of thermal bridge effect.

[0054] The application aims to solve the heat bridge problem of the light steel keel grouting composite wallboard in the process of use.

[0055] The technical scheme of the application is a kind of broken bridge structure suitable for light steel keel grouting composite wallboard, characterized by comprising:

[0056] The broken bridge structure comprises a plurality of broken bridge layer pads between the C-shaped steel column skeleton and the prefabricated panel, a thermal insulation material at the joint between the two light steel keel grouting composite wallboards, and a sealing paste at the joint between the two light steel keel grouting composite wallboards.

[0057] The application breaks through the structure and connection process of conventional prefabricated external wall components, separates the decorative surface layer and metal keel through the broken bridge layer pad, fills the thermal insulation material at the joint between the two wallboards, and seals with sealing glue, reducing the heat bridge effect between the metal keel and the joint between the wallboards.

[0058] Compared with the prior art, the application has the following beneficial effects:

[0059] The application provides a kind of composite wallboard, comprising a plurality of light steel keel wallboard splicing, the splicing between the light steel keel wallboard adopts broken bridge structure. The broken bridge structure comprises a plurality of broken bridge layer pads, a first thermal insulation material and a sealing paste, the broken bridge layer pads are located on the outer side of the steel column skeleton of each light steel keel wallboard. The first thermal insulation material is filled in the splicing joint between the light steel keel wallboards, and the sealing paste is arranged in the splicing joint between the light steel keel wallboards. The application is based on the heat bridge effect, and the broken bridge structure is proposed to optimize the heat bridge problem at the joint of the existing light steel keel grouting composite wallboard, improve the thermal performance of the light steel keel grouting composite wallboard, and solve the problem of the heat bridge of the light steel keel grouting composite wallboard in the prior art to a certain extent.

[0060] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", or "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments. In addition, those skilled in the art can combine and integrate different embodiments or examples described in the present specification.

[0061] The above are only preferred embodiments of the present application, and do not have any limiting effect on the present application. Any person skilled in the art can make any form of equivalent replacement or modification, etc. to the technical solutions and technical contents disclosed by the present application without departing from the scope of the technical solutions of the present application, which still belongs to the protection scope of the present application.

Claims

1. A composite wall panel, characterized in that, It is composed of several light steel keel wall panels spliced ​​together, and the splicing joints between the light steel keel wall panels adopt a thermal break structure. The thermal break structure includes several thermal break layer pads, a first thermal insulation material, and a sealant. The thermal break layer pad is located on the outside of the steel column frame of each of the light steel keel wall panels; The first thermal insulation material is filled at the splicing joints between the light steel keel wall panels; The sealant is applied to the joints between the light steel keel wall panels. The light steel keel wall panel includes two prefabricated panels, a steel column frame, a second insulation material, and a connecting component, which includes a bolt assembly. The second insulation material is filled and disposed between the two prefabricated panels; The steel column frame is set between the two prefabricated panels; The two prefabricated panels and the steel column frame are connected by the connecting components. The steel column frame has multiple pre-drilled holes on its web.

2. The composite wall panel as described in claim 1, characterized in that, The thermal break layer pad is disposed between the steel column frame and the precast panel.

3. The composite wall panel as described in claim 2, characterized in that, Threaded holes are provided on the precast panel, the steel column frame, and the thermal break layer pad to allow the bolt assembly to pass through.

4. The composite wall panel as described in claim 2, characterized in that, The bolt assembly is made of non-metallic material.

5. The composite wall panel as described in claim 1, characterized in that, The interval between the plurality of reserved holes is less than 600mm, and the distance between the reserved holes and the edge of the steel column frame is less than 300mm.

6. The composite wall panel as described in claim 1, characterized in that, The second insulation material includes polystyrene particle foam concrete and vitrified microsphere foam concrete.

7. The composite wall panel as described in claim 1, characterized in that, The thermal break pad is made of non-metallic heat-blocking material.

8. The composite wall panel as described in claim 1, characterized in that, The thickness of the thermal break layer pad is greater than 10 mm.

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