A wallboard having a biomimetic interlocking structure

By adopting a biomimetic interlocking structure in the wall panel, utilizing the mechanical interlocking force of the ribs and grooves and the adhesive force of the aerogel coating, a two-way interlocking mechanism is achieved in the wall panel, solving the problems of low strength and poor sound insulation and heat preservation effect of existing exterior wall panels, and improving the overall performance of the wall panel.

CN119686502BActive Publication Date: 2025-11-21CHINA UNITED ENG +1
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Patent Information

Application Number
CN202510063951.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-11-21
Estimated Expiration
2045-01-15

AI Technical Summary

Technical Problem

The existing exterior wall panels are not strong enough, are prone to falling off, and have poor sound insulation and heat preservation effects.

Method used

The wall panel adopts a biomimetic interlocking structure. The outer side of the inner panel has multiple parallel protruding ribs, and the inner side of the surface panel has matching grooves. The two-way interlocking mechanism is achieved through the mechanical interlocking force of the protruding ribs and grooves, the friction of the overlapping interface, and the adhesive force of the aerogel coating, which enhances the strength of the wall and its sound insulation and heat insulation effects.

Benefits of technology

It improves the strength, sound insulation, and heat insulation performance of the wall panel, ensuring that the wall panel can effectively resist internal and external loads during use, and provides a safe redundancy and a good sound insulation and heat preservation environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the present application relates to a wallboard with a bionic interlocking structure, and the layer structure specifically comprises an inner layer plate, an aerogel coating and a facing plate, has a very strong sound insulation and heat insulation effect, meanwhile, the outer side of the inner layer plate is provided with a plurality of parallel convex ribs and is provided in a slope; the inner side of the facing plate is provided with a plurality of grooves in parallel and matched with the convex ribs and is provided in a slope, when the wallboard is used, along the direction of the cross rib, the wallboard resists the in-plane load through the mechanical bite force of the convex rib, the friction force of the overlapping interface and the cementation force of the aerogel coating; along the direction of the connecting rib, the wallboard resists the out-of-plane load through the mechanical bite force of the convex rib and the friction force of the overlapping interface, thereby realizing the bidirectional interlocking mechanism of the heterogeneous material layer, so as to ensure the strength of the wall.
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Description

Technical Field

[0001] This invention relates to the field of construction, and more particularly to a wall panel with a biomimetic interlocking structure. Background Technology

[0002] With the increase in residential, apartment, office, educational, and hospital buildings in my country, the requirements for sound insulation and thermal insulation are also becoming increasingly stringent. Ordinary wall materials cannot effectively isolate the sound insulation problems caused by vibrations. Good sound insulation and thermal insulation environments have become one of the important characteristics of green buildings. As a result, various types of exterior wall panels are constantly being introduced and widely used in the construction industry.

[0003] Currently, existing exterior wall panels are not strong enough and are prone to falling off after being installed on the wall. They also have problems with poor sound insulation and heat preservation. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a wall panel with a biomimetic interlocking structure. The layer structure specifically includes an inner layer panel, an aerogel coating, and a surface panel, offering strong sound and heat insulation. Simultaneously, the outer side of the inner layer panel has multiple parallel protruding ribs arranged at an angle; the inner side of the surface panel has multiple parallel grooves adapted to the protruding ribs, also arranged at an angle. During use, along the direction of the transverse ribs, the wall panel resists in-plane loads through the mechanical interlocking force of the protruding ribs, the frictional force of the overlapping interfaces, and the adhesive force of the aerogel coating; along the direction of the connecting ribs, the wall panel resists out-of-plane loads through the mechanical interlocking force of the protruding ribs and the frictional force of the overlapping interfaces. This achieves a two-way interlocking mechanism between the heterogeneous material layers, thereby ensuring the strength of the wall.

[0005] To achieve the above objectives, the present invention provides a wall panel with a biomimetic interlocking structure, comprising: an inner layer panel, an aerogel coating, and a surface panel; wherein,

[0006] The inner layer plate includes a skeleton and a panel; the skeleton includes multiple horizontal ribs, vertical ribs, reinforcing ribs, and connecting ribs, the multiple horizontal ribs are arranged in parallel, the multiple vertical ribs are arranged in parallel and perpendicular to the horizontal ribs and coplanar with the horizontal ribs, the multiple reinforcing ribs are arranged in parallel to the vertical ribs and connected to the vertical ribs through the connecting ribs, the multiple connecting ribs are arranged in parallel; the panel is used to accommodate the skeleton, and the outer side of the panel is provided with multiple parallel protruding ribs for accommodating and fixing the reinforcing ribs, the two sides of the protruding ribs are arranged at an angle;

[0007] The aerogel coating is sprayed on the outside of the inner layer panel to bond the inner layer panel and the surface panel, forming an adhesive force at the interface between the inner layer panel and the surface panel.

[0008] The surface panel is disposed on the outside of the aerogel coating. The inner side of the surface panel is provided with multiple grooves that are adapted to the convex ribs. The mechanical interlocking force is formed by the arrangement of the convex ribs and grooves. Furthermore, the two sides of the grooves are set with slopes, which are adapted to the slopes on both sides of the convex ribs, thereby forming an inclined overlapping interface, thus forming a resistance supplement and increasing the safety redundancy of the wall panel.

[0009] When the wall panel is in use, along the y-axis direction where the horizontal ribs are located, the wall panel resists in-plane loads through the mechanical interlocking force of the ribs, the frictional force of the overlapping interface, and the bonding force of the aerogel coating; along the x-axis direction where the connecting ribs are located, the wall panel resists out-of-plane loads through the mechanical interlocking force of the ribs and the frictional force of the overlapping interface, thereby realizing a two-way interlocking mechanism of heterogeneous material layers.

[0010] Preferably, the two sides of the convex rib are convex or concave, thereby forming an inclined surface overlapping state on the outer side of the inner layer plate. Correspondingly, the two sides of the groove of the surface panel are concave or convex, thereby forming an inclined surface overlapping state on the inner side of the surface panel. Thus, the inner layer plate and the surface panel form an inclined surface overlapping and interlocking state. Furthermore, the mutual embedding between the various structural layers is achieved through the arrangement of the convex rib on the inner layer plate and the groove on the surface panel.

[0011] Preferably, the outer contour of the rib is smooth to reduce the weakening of the interlocking mechanism by stress concentration.

[0012] Preferably, the surface panel is inserted into or cast onto the outside of the gel coating.

[0013] Preferably, the wall panel comprises multiple wall panel units, wherein the length L and height H of each wall panel unit are not greater than 200 mm, and the thickness D is not greater than 60 mm.

[0014] More preferably, the maximum distance between the inner side surface of the inner layer plate and the inclined surface of the inner layer plate is D1, the width of the rib D0 ≥ 0.5D1, and the length of the rib L0 ≥ 0.15L.

[0015] The minimum distance between the inner side surface and the outer slope of the inner layer plate is D2, which is equal to the maximum distance between the outer side surface and the inner slope of the surface panel.

[0016] The angle between the outer inclined surface and the inner surface of the inner layer plate is θ, tanθ=2(D1-D2) / L.

[0017] Preferably, the diameter of the skeleton is 3 to 32 mm; the thickness of the panel is 5 to 500 mm, and the strength is not less than 50 MPa.

[0018] Preferably, the thickness of the aerogel coating is 1 mm to 3 mm, and the thermal conductivity is less than 0.05 W / (m·k).

[0019] Preferably, the cross-section of the rib is femoral head shaped.

[0020] This invention provides a wall panel with a biomimetic interlocking structure. The layer structure specifically includes an inner layer panel, an aerogel coating, and a surface panel. It has strong sound insulation and heat insulation effects. At the same time, the outer side of the inner layer panel is provided with multiple parallel protruding ribs, which are arranged at an angle. The inner side of the surface panel is provided with multiple parallel grooves that are adapted to the protruding ribs, which are also arranged at an angle. When the wall panel is in use, along the direction of the horizontal ribs, the wall panel resists in-plane loads through the mechanical interlocking force of the protruding ribs, the frictional force of the overlapping interface, and the adhesive force of the aerogel coating. Along the direction of the connecting ribs, the wall panel resists out-of-plane loads through the mechanical interlocking force of the protruding ribs and the frictional force of the overlapping interface. This realizes a two-way interlocking mechanism of heterogeneous material layers, thereby ensuring the strength of the wall. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a wall panel structure with a biomimetic interlocking structure provided in an embodiment of the present invention;

[0022] Figure 2 This is an exploded schematic diagram of a wall panel with a biomimetic interlocking structure provided in an embodiment of the present invention;

[0023] Figure 3 This is a structural schematic diagram of a wall panel unit provided in an embodiment of the present invention;

[0024] Figure 4 A cross-sectional schematic diagram of a wall panel unit provided in an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the force principle in the y-axis direction provided by an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the force principle in the x-axis direction provided in an embodiment of the present invention. Detailed Implementation

[0027] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0028] Figure 1 This is a schematic diagram of a wall panel structure with a biomimetic interlocking structure provided in an embodiment of the present invention. Figure 2 An exploded view of a wall panel with a biomimetic interlocking structure is provided as an embodiment of the present invention, as shown below. Figure 1 and Figure 2 As shown in the figure, the wall panel with a biomimetic interlocking structure provided in this embodiment of the invention includes, from the inside to the outside, an inner layer panel 1, an aerogel coating 2, and a surface panel 3. The layer structure of the wall panel will be described in detail below.

[0029] The inner layer 1 may specifically include a skeleton 11 and a panel 12, which can be understood as a panel 12 with a skeleton 11.

[0030] Specifically, the skeleton 11 here is a load-bearing component. The skeleton includes, but is not limited to, various types of reinforcement such as ordinary strength, high strength, and FRP. Specifically, it includes multiple horizontal bars 111, vertical bars 112, reinforcing bars 113, and connecting bars 114. Horizontal bars 111 refer to horizontally placed steel bars, and vertical bars 112 refer to vertically placed steel bars. Multiple horizontal bars 111 are arranged in parallel, and multiple vertical bars 112 are arranged in parallel and perpendicular to the horizontal bars 111. The vertical bars 112 are coplanar with the horizontal bars 111. The reinforcing bars 113 are used to increase the strength of the skeleton 11 and realize the fixation and connection between the inner layer panel 1 and the surface panel 3. Each vertical bar 112 corresponds to one reinforcing bar 113. Multiple reinforcing bars 113 are arranged parallel to the vertical bars 112. The reinforcing bars 113 are parallel to the plane where the horizontal bars 111 and vertical bars 112 are located, and are connected to the vertical bars 112 through connecting bars 114. Multiple connecting bars 114 are arranged in parallel and are perpendicular to the plane where the horizontal bars 111 and vertical bars 112 are located. It is understood that the above-mentioned steel bars are all made of the same material. Those skilled in the art can select the diameter of the steel bars according to the load conditions. For example, FRP bars can be selected. The initial design of the steel bar diameter is 3 to 32 mm. Here, FRP bars are formed by gluing multiple strands of continuous fibers (such as glass fiber, carbon fiber, etc.) together with a base material (such as polyamide resin, polyethylene resin, epoxy resin, etc.) and then extruding and drawing them through a special mold.

[0031] The panel 12 here is used to accommodate the frame 11. Its material includes, but is limited to, UHPC material. UHPC is a cement-based engineering material with good durability and excellent wear resistance and impact resistance. After the frame 11 is fixed, UHPC is cast using a mold. The outer side of the panel 12 is provided with multiple parallel protruding ribs 121 for accommodating and fixing the aforementioned reinforcing ribs 113. The two sides of the protruding ribs 121 are set with bevels. The protruding ribs adopt a joint-like skeleton shape design, which provides in-plane and out-of-plane constraints for the wall panel while minimizing stress concentration at the edges and corners, and can fully exert its own strength. It can be understood that a boundary line 122 of two bevels will be formed between two adjacent protruding ribs 121. The two bevels are symmetrical along the boundary line 122. Thus, multiple protruding ribs 121 are combined together to form an undulating inclined overlapping surface on the outer side of the panel 12, which is used to interlock with the inner side of the cladding panel 3 to form a resistance supplement, thereby increasing the strength of the wall. It should be noted that a mold is used during the casting of panel 12. The mold is pre-set with the shape of the cast panel 12, that is, the mold is also provided with the aforementioned protruding ribs 121 and the inclined surfaces on both sides. Preferably, the thickness of the panel 12 is 5 to 500 mm, and the strength is not less than 50 MPa, thereby ensuring that the wall panel has good sound insulation and strength.

[0032] The aerogel coating 2 has excellent sound insulation and thermal insulation effects. When applied between panel 12 and surface panel 3, it significantly improves the overall sound insulation and thermal insulation performance of the wall panel. The aerogel coating 2 is sprayed onto the outer side of the inner panel 1, serving both sound insulation and thermal insulation purposes, and also bonding the inner panel 1 and surface panel 3. It forms an adhesive force at the interface between the inner panel 1 and surface panel 3, thereby increasing the connection strength between them. Preferably, the thickness of the aerogel coating 2 is 1mm to 3mm to ensure the sound insulation effect of the wall panel, and its thermal conductivity is less than 0.05W / (m·k), thus ensuring the thermal insulation effect of the wall panel. Table 1 below shows the data on the gain effect of the aerogel coating on the thermal insulation performance of the wall panel.

[0033] Table 1. Data on the effect of aerogel coating on the thermal insulation performance of wall panels.

[0034]

[0035] As shown in Table 1, taking a 100mm thick UHPC wall panel as an example, its average heat transfer coefficient is as high as 5 [W / (m²]. 2 Applying aerogel coatings of 1mm, 2mm, and 3mm thickness to the wall surface can reduce its average heat transfer coefficient to 1.88 [W / (m²]. 2 ·K)]、1.15[W / (m 2 ·K)]、0.83[W / (m 2 The maximum reduction is as high as 83%, and the thermal insulation performance is significantly improved.

[0036] The facing panel 3 is disposed on the outer side of the aerogel coating 2. Specifically, the facing panel 3 can be inserted into or cast onto the outer side of the aerogel coating. Multiple grooves 31, adapted to the protruding ribs 121, are provided parallel to each other on the inner side of the facing panel 3. The arrangement of the protruding ribs 121 and the grooves 31 forms a mechanical interlocking force. Furthermore, the two sides of the grooves 31 are inclined, and a boundary line 32 is formed between two adjacent grooves 31. The two inclined surfaces are symmetrical along the boundary line 32, adapting to the inclined surfaces on both sides of the protruding ribs 121, thereby forming an inclined overlapping interface, thus providing resistance supplementation and increasing the safety redundancy of the wall panel. It is understood that those skilled in the art can select rigid or flexible decorative panels according to the facade design requirements.

[0037] It is understandable that those skilled in the art can set the dimensions of each layer of the wall panel structure as needed. In a specific example, combined with... Figure 1 , Figure 3 and Figure 4 As shown, the size of a wall panel unit is defined by the center of the intersection of the horizontal reinforcement 111, the vertical reinforcement 112, and the connecting reinforcement 114, and by the size of the area formed between two adjacent horizontal reinforcement 111 and vertical reinforcement 112. Figure 1The dotted area A in the diagram represents a wall panel unit. The length L and height H of the wall panel unit are preferably no greater than 200mm, and the thickness D is preferably no greater than 60mm. The length L and height H of the wall panel unit are preferably equal, meaning the cross-section of the wall panel unit is square. This diagram provides preferred spacing limits for the horizontal and vertical reinforcement bars of the skeleton and preferred constraint width limits for the panel ribs. The length of the wall panel unit is defined as: firstly, the recommended spacing of the horizontal and vertical reinforcement bars of the skeleton, ensuring the skeleton's support function and meeting the wall panel's load-bearing and rib anchoring requirements; and secondly, the recommended constraint width of the panel ribs, ensuring sufficient constraint for the aerogel layer and the facing panel, preventing shear failure of the ribs. The preferred thickness limit of the wall panel unit is the result of the combined effect of wall panel material zoning and structural design, aiming to achieve the performance goals of thin wall panels, high load-bearing capacity, and strong thermal insulation. It should be noted that the wall panel can be divided into several wall panel units. Here, the wall panel unit does not mean that the wall panel is physically divided according to the unit size. Several wall panel units can be cast into a wall panel at one time, or they can be cast into a specific size and spliced ​​into a whole wall panel according to a certain connection method. If splicing is adopted, the horizontal reinforcement inside the splicing large unit (here, the large unit contains no less than one wall panel unit) is not connected through the seam, but a space is reserved for grouting of the reinforcement. The large unit is connected to form an integral wall panel through secondary grouting of the reinforcement.

[0038] Furthermore, the maximum distance between the inner side surface of the inner plate 1 and the inclined surface of the inner plate 1 is D1, the width of the protruding rib 121 is D0≥0.5D1, the length of the protruding rib 121 is L0≥0.15L, and the length and width of the cross-section of the protruding rib are positively correlated with the thickness of the constrained unit plate and the width of the unit, respectively. Within the above preferred relationship range, it can be ensured that the strength of the protruding rib itself is higher than the required constraining stress. In addition, various diameter steel bars can be set in the preferred cross-section of the protruding rib to improve the stress performance of the protruding rib.

[0039] Furthermore, the minimum distance between the inner side surface and the outer slope of the inner layer 1 is D2, which is equal to the maximum distance between the outer side surface and the inner slope of the surface panel 3; preferably, the included angle between the outer slope and the inner side surface of the inner layer 1 is θ, tanθ=2(D1-D2) / L, where equal to can also be approximately equal to, and can be dynamically adjusted by those skilled in the art according to actual needs. The setting of the included angle θ is to provide reinforcement for the convex rib in the lateral constraint, and its range is determined by the limit values ​​of wall thickness and unit size.

[0040] When using wall panels, such as Figure 5 As shown, along the y-axis direction of the straight line where the transverse rib 111 is located, the wall panel resists in-plane loads through the mechanical interlocking force τ1 of the protruding rib 121, the frictional force τ2 of the overlapping interface, and the adhesive force τ3 of the aerogel coating 2. Thus, an interlock is formed in the y-axis direction between the inner layer panel 1, the aerogel coating 2, and the surface panel 3; Figure 6As shown, along the x-axis direction of the connecting rib 114, the wall panel resists out-of-plane loads through the mechanical interlocking force σ1 of the protruding rib 121 and the frictional force σ2 of the overlapping interface. This creates an interlocking mechanism in the x-axis direction between the inner layer 1, the aerogel coating 2, and the surface panel 3, achieving a two-way interlocking mechanism between the heterogeneous material layers of the inner layer 1, the aerogel coating 2, and the surface panel 3. Here, in-plane load refers to loads parallel to the large surface of the wall panel, and out-of-plane load refers to loads perpendicular to the large surface of the wall panel. It should be noted that, for ease of description, the direction of the horizontal rib 111 is defined as the y-axis direction, the direction of the connecting rib 114 is defined as the x-axis direction, and the direction of the vertical rib 112 is defined as the z-axis direction. The x, y, and z axes are perpendicular to each other.

[0041] In some preferred embodiments, on the one hand, the two sides of the convex rib 121 on the inner layer plate 1 (panel 12) are provided with convex or concave surfaces, that is, the two adjacent convex ribs 121 are provided with concave or convex surfaces, thereby forming an inclined surface overlapping state on the outer side of the inner layer plate 1. Correspondingly, the two sides of the groove 31 of the surface panel 3 are provided with concave or convex surfaces, and the two adjacent grooves 31 of the surface panel 3 are provided with convex or concave surfaces, thereby forming an inclined surface overlapping state on the inner side of the surface panel 3. In other words, when the two sides of the convex rib 121 on the inner layer 1 are convex, that is, when the two adjacent convex ribs 121 on the inner layer 1 are concave, the two sides of the groove 31 on the surface panel 3 are concave, and the two adjacent grooves 31 on the surface panel 3 are convex. Conversely, when the two sides of the convex rib 121 on the inner layer 1 are concave, that is, when the two adjacent convex ribs 121 on the inner layer 1 are convex, the two sides of the groove 31 on the surface panel 3 are convex, and the two adjacent grooves 31 on the surface panel 3 are concave. Thus, from the perspective of the entire inner layer 1 and surface panel 3, the inner layer 1 and surface panel 3 form an inclined overlapping and interlocking state, thereby forming a resistance supplement and increasing the safety redundancy of the wall panel. On the other hand, through the interlocking arrangement of the convex rib 121 on the inner layer 1 and the groove 31 on the surface panel 3, the mutual embedding between the inner layer 1, the aerogel coating 2 and the surface panel 3 is realized, so as to ensure the connection strength between the wall panel layers.

[0042] In some preferred embodiments, the outer contour of the aforementioned rib 121 is smoothly designed to disperse the concentration of force and reduce the weakening of the interlocking mechanism due to stress concentration. Furthermore, the cross-section of the rib 121 can be femoral head shaped, i.e., a biomimetic design. From the cross-section of the rib 121, the two sides of the bottom end of the rib 121 are concave inward, thereby engaging with the groove 31 of the surface panel 3 to form an interlocking action.

[0043] This invention provides a wall panel with a biomimetic interlocking structure. The layer structure specifically includes an inner layer panel, an aerogel coating, and a surface panel. It has strong sound insulation and heat insulation effects. At the same time, the outer side of the inner layer panel is provided with multiple parallel protruding ribs, which are arranged at an angle. The inner side of the surface panel is provided with multiple parallel grooves that are adapted to the protruding ribs, which are also arranged at an angle. When the wall panel is in use, along the direction of the horizontal ribs, the wall panel resists in-plane loads through the mechanical interlocking force of the protruding ribs, the frictional force of the overlapping interface, and the adhesive force of the aerogel coating. Along the direction of the connecting ribs, the wall panel resists out-of-plane loads through the mechanical interlocking force of the protruding ribs and the frictional force of the overlapping interface. This realizes a two-way interlocking mechanism of heterogeneous material layers, thereby ensuring the strength of the wall.

[0044] In this invention, the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0045] In the description of this invention, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," etc., 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 invention and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0046] In the description herein, the terms "a specific embodiment," "some embodiments," "one embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A wall panel with a biomimetic interlocking structure, characterized in that, The wall panel with a biomimetic interlocking structure includes an inner layer panel, an aerogel coating, and a surface panel; wherein... The inner layer plate includes a skeleton and a panel. The skeleton includes multiple horizontal ribs, vertical ribs, reinforcing ribs, and connecting ribs. The horizontal ribs are arranged in parallel, and the vertical ribs are arranged in parallel and perpendicular to the horizontal ribs, and coplanar with the horizontal ribs. The reinforcing ribs are arranged parallel to the vertical ribs and connected to the vertical ribs through the connecting ribs. The panel is used to accommodate the skeleton. The outer side of the panel has multiple parallel protruding ribs for accommodating and fixing the reinforcing ribs. The two sides of the protruding ribs are inclined. The two sides of the protruding ribs are either convex or concave, thus forming an inclined surface overlap on the outer side of the inner layer plate. Correspondingly, the two sides of the groove of the panel are either concave or convex, thus forming an inclined surface overlap on the inner side of the panel. Thus, the inner layer plate and the panel are in an inclined surface overlap and interlocking state. The mutual embedding between the layers is achieved through the protruding ribs on the inner layer plate and the groove of the panel. The cross-section of the protruding ribs is femoral head shaped. The aerogel coating is sprayed on the outside of the inner layer panel to bond the inner layer panel and the surface panel, forming an adhesive force at the interface between the inner layer panel and the surface panel. The surface panel is disposed on the outside of the aerogel coating. The inner side of the surface panel is provided with multiple grooves that are adapted to the convex ribs. The mechanical interlocking force is formed by the arrangement of the convex ribs and grooves. Furthermore, the two sides of the grooves are set with slopes, which are adapted to the slopes on both sides of the convex ribs, thereby forming an inclined overlapping interface, thus forming a resistance supplement and increasing the safety redundancy of the wall panel. When the wall panel is in use, along the y-axis direction where the horizontal ribs are located, the wall panel resists in-plane loads through the mechanical interlocking force of the ribs, the frictional force of the overlapping interface, and the bonding force of the aerogel coating; along the x-axis direction where the connecting ribs are located, the wall panel resists out-of-plane loads through the mechanical interlocking force of the ribs and the frictional force of the overlapping interface, thereby realizing a two-way interlocking mechanism of heterogeneous material layers.

2. The wall panel with a biomimetic interlocking structure according to claim 1, characterized in that, The outer contour of the rib is smooth to reduce the weakening of the interlocking mechanism due to stress concentration.

3. The wall panel with a biomimetic interlocking structure according to claim 1, characterized in that, The surface panel is inserted into or cast onto the outside of the gel coating.

4. The wall panel with a biomimetic interlocking structure according to claim 1, characterized in that, The wall panel comprises multiple wall panel units, wherein the length L and height H of each wall panel unit are not greater than 200mm, and the thickness D is not greater than 60mm.

5. The wall panel with a biomimetic interlocking structure according to claim 4, characterized in that, The maximum distance between the inner side surface of the inner layer plate and the inclined surface of the inner layer plate is D1, the width of the rib D0 ≥ 0.5D1, and the length of the rib L0 ≥ 0.15L; The minimum distance between the inner side surface and the outer slope of the inner layer plate is D2, which is equal to the maximum distance between the outer side surface and the inner slope of the surface panel. The angle between the outer inclined surface and the inner surface of the inner layer plate is θ, tanθ = 2(D1-D2) / L.

6. The wall panel with a biomimetic interlocking structure according to claim 1, characterized in that, The diameter of the frame is 3 to 32 mm; the thickness of the panel is 5 to 500 mm, and the strength is not less than 50 MPa.

7. The wall panel with a biomimetic interlocking structure according to claim 1, characterized in that, The aerogel coating has a thickness of 1 mm to 3 mm and a thermal conductivity of less than 0.05 W / (m·K).

Citation Information

Patent Citations

  • Precast concrete sandwich heat-preservation outer wallboard and preparation method thereof

    CN110306720A

  • Sound-insulation and heat-insulation integrated wallboard

    CN211114522U