Splicing seam connecting structure and photovoltaic building integrated roof

By adopting a sealed joint connection structure in the BIPV roof structure, and utilizing a combination of support layer, roof panel, cover plate and C-shaped components, the problems of waterproofing and thermal insulation performance at the joint location are solved, thereby improving the stability and protection effect of the roof structure.

CN223468953UActive Publication Date: 2025-10-24CHINA CONSTR SCI & IND CORP LTD
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Patent Information

Application Number
CN202422609556.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-10-24
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

BIPV roof structures are susceptible to external environmental influences at the splicing points, which can damage their waterproofing and insulation performance, affecting the daily use of the building.

Method used

The structure employs a joint connection, including a support layer, roof panels, cover plates, and C-shaped components. A continuous roof structure is formed through a sealed connection, ensuring the airtightness between the cover plates and roof panels. Screws and sealant are used to reinforce the connection, forming a sloping guide surface to direct water flow and enhance waterproofing and thermal insulation performance.

Benefits of technology

It improves the waterproof performance of BIPV roofs, prevents rainwater leakage, maintains the effectiveness of the insulation layer, enhances the stability and robustness of the roof structure, and ensures the continuity and protective effect of the roof structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building structures, and discloses an abutted seam connecting structure and a photovoltaic building integrated roof. Roof panels; two sides of the cover plate are respectively connected with the roof panels; the joint of the cover plate and the roof panel is defined as a joint node; the joint node comprises a vertical plate and a vertical plate; the wing plate is formed by bending and extending an edge plate body of the cover plate; the C-shaped piece is formed on an edge plate body of the roof panel; the C-shaped piece comprises a first side plate, a middle plate and a second side plate; the first side plate is hermetically connected with the vertical plate, and the second side plate is hermetically connected with the wing plate; according to the abutted seam connecting structure provided by the utility model, the cover plate, the joint node and the roof panel are matched with one another and are connected together in a sealing manner to form a continuous and complete roof structure protection domain layer, so that the waterproof and heat-insulating properties of the BIPV roof structure are not damaged by the abutted seam position, and the sealing protection property among the cover plate, the roof panel and the heat-insulating layer is ensured; rainwater is effectively prevented from invading from the abutted seam position.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building structure technical field, concretely relates to a joint connecting structure and photovoltaic building integrated roof. BACKGROUND

[0002] BIPV is a kind of technology that integrates solar power generation products into building, especially combined with building roof.

[0003] In the related art, BIPV roof structure is spliced by multiple tiles and photovoltaic units, at the splicing position, the roof is easily affected by external environment, such as rain leakage, cold air penetration and other problems;The joint position destroys the waterproof and thermal insulation performance of the BIPV roof structure as a whole, affecting the daily use of the building. SUMMARY

[0004] Therefore, the utility model provides a joint connecting structure and photovoltaic building integrated roof to solve the problem that the joint position destroys the waterproof and thermal insulation performance of the BIPV roof structure as a whole, affecting the daily use of the building.

[0005] In the first aspect, the utility model provides a joint connecting structure, comprising: a support layer;Roof panel, cover is established in the support layer;At least two roof panels are arranged along the first direction, forming a roof joint;Cover plate, cover is established at the roof joint, and both sides are connected with at least two roof panels respectively;Define the connecting place of the cover plate and the roof panel as joint node, the joint node includes: vertical plate, fixed in the support layer;Wing plate, formed by the edge plate body of the cover plate after bending and extending;C type piece, shaped in the edge plate body of the roof panel;The C type piece includes first side plate, middle plate and second side plate;Wherein, the edge plate body of the roof panel is bent and extended to form the first side plate, the first side plate is bent and extended to form the middle plate, and the middle plate is bent and extended to form the second side plate;The first side plate and the vertical plate are connected in a sealed manner, and the second side plate and the wing plate are connected in a sealed manner, so that the cover plate and the roof panel are continuously arranged.

[0006] Beneficial effects: the cover plate, the joint node and the roof panel are matched and sealedly connected together to form a continuous and complete roof structure protection domain layer, which ensures that the waterproof and thermal insulation performance of the BIPV roof structure is not damaged by the joint position; the sealed connection of the C-shaped piece with the vertical plate and the wing plate ensures the sealing protection between the cover plate and the roof panel and the thermal insulation layer, effectively prevents rainwater from entering from the joint position, improves the waterproof performance of the entire roof structure, prevents heat transfer or escape, makes the thermal insulation layer play a better role, and enhances the thermal insulation effect of the roof structure; the close connection between the C-shaped piece and the roof panel and the cover plate enhances the stability of the entire roof structure, makes the roof structure more firm and reliable, and has high practicality.

[0007] In an alternative embodiment, further comprising a first connecting assembly, the first side plate is sealedly connected with the vertical plate by means of the first connecting assembly; and a second connecting assembly, the second side plate is sealedly connected with the wing plate by means of the second connecting assembly.

[0008] In an alternative embodiment, the first connecting assembly and the second connecting assembly are connected to the side of the C-shaped piece away from the roof panel.

[0009] In an alternative embodiment, part of the plate body of the cover plate is inclined downward towards the direction close to the roof panel to form an inclined guide surface.

[0010] In an alternative embodiment, at least two inclined guide surfaces are formed on the cover plate, and the top sides of the at least two inclined guide surfaces are connected, suitable for guiding the water flow to the edge of the cover plate.

[0011] In an alternative embodiment, the first connecting assembly comprises a first screw and a first sealant, the first screw penetrates and connects the first side plate and the vertical plate in sequence, and the first sealant is coated at the connection position of the first screw and the first side plate and the vertical plate.

[0012] In an alternative embodiment, the second connecting assembly comprises a second screw and a second sealant, the second screw penetrates and connects the second side plate and the wing plate in sequence, and the second sealant is coated at the connection position of the second screw and the second side plate and the wing plate.

[0013] In an alternative embodiment, the edge plate body of the wing plate is bent and extended to form a water droplet guide.

[0014] In an alternative embodiment, the vertical plate is provided with a mounting foot, and the vertical plate is fixed with the support layer by means of the mounting foot.

[0015] The utility model provides a kind of building integrated photovoltaics roof, including the joint structure of any one described above. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0017] Figure 1 It is a schematic view of the joint structure of the utility model;

[0018] Figure 2 It is the utility model Figure 1 It is an enlarged schematic view of A in the utility model.

[0019] Explanation of reference signs:

[0020] 1, support layer; 2, roof panel; 21, roof joint; 3, cover plate; 31, inclined guide surface; 4, joint node; 5, vertical plate; 51, mounting foot; 6, wing plate; 61, drip rail; 7, C-shaped piece; 71, first side plate; 72, middle plate; 73, second side plate; 8, first connecting assembly; 81, first screw; 82, first sealant; 9, second connecting assembly. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in the following with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "link", "connect" should be understood in broad sense, for example, it can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0024] In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as there is no conflict.

[0025] The embodiments of the utility model are described below in combination with Figures 1 to 2

[0026] According to the embodiments of the utility model, on the one hand, a joint connecting structure is provided, which comprises: a support layer 1; a roof panel 2, which is covered on the support layer 1; at least two roof panels 2 are arranged at intervals along a first direction to form a roof joint 21; a cover plate 3, which is covered at the roof joint 21 and connected with the at least two roof panels 2 on both sides; defining the connection between the cover plate 3 and the roof panel 2 as a joint node 4, the joint node 4 comprises: a vertical plate 5, which is fixed on the support layer 1; a wing plate 6, which is formed by bending and extending the edge plate body of the cover plate 3; a C-shaped part 7, which is formed at the edge plate body of the roof panel 2; the C-shaped part 7 comprises a first side plate 71, a middle plate 72 and a second side plate 73; wherein the edge plate body of the roof panel 2 is bent and extended to form the first side plate 71, the first side plate 71 is bent and extended to form the middle plate 72, and the middle plate 72 is bent and extended to form the second side plate 73; the first side plate 71 is sealingly connected with the vertical plate 5, and the second side plate 73 is sealingly connected with the wing plate 6, so as to continuously arrange the cover plate 3 and the roof panel 2.

[0027] In the embodiment, the BIPV roof structure comprises a support layer 1, a tile layer covered above the support layer 1, and a photovoltaic layer installed above the tile layer, wherein the tile layer is composed of a plurality of roof panels 2 spliced along a first direction, at the joint position of the tile layer, that is, at the position of the roof joint 21, the cover plate 3 is sealingly connected with the roof panel 2 on both sides through the joint node 4, to obtain a continuous roof structure, and ensure that the waterproof and thermal insulation performance are not damaged by the joint position.

[0028] ​The specific implementation method is to form a roof seam 21 between two adjacent and spaced roof panels 2, take the cover plate 3 to cover the roof seam 21, and at the specific connection node between the cover plate 3 and the roof panel 2, the edge plate of the roof panel 2 is bent multiple times to form a C-shaped fold, that is, a C-shaped member 7. The opening of the C-shaped member 7 is set toward the plate body of the roof panel 2, and the various plates of the C-shaped member 7 are respectively a first side plate 71, a middle plate 72 and a second side plate 73; the vertical plate 5 is fixed to the supporting layer 1, and the vertical plate 5 is used as a cover plate 3 is a transition piece connected to the supporting layer 1, the wing plate 6 is formed by bending and extending the edge plate of the cover plate 3, the first side plate 71 and the second side plate 73 of the C-shaped member 7 are arranged opposite to each other, and are sealed with the vertical plate 5 and the wing plate 6 respectively, so that the cover plate 3 and the roof panel 2 are continuously arranged, and at the same time, rainwater can be prevented from eroding the supporting layer 1. After installation, the opening of the C-shaped member 7 faces downward, which can prevent water vapor from accumulating in the C-shaped member 7. Under the action of multiple angles, the waterproof and thermal insulation performance of the roof structure are not affected.

[0029] Optionally, the width of the cover plate 3 in the first direction may be 523 mm, which can be flexibly adjusted according to the difference in the joint size.

[0030] In this embodiment, the cover plate 3, the joint node 4 and the roof panel 2 cooperate with each other and are sealed together to form a continuous and complete roof structure protection layer, ensuring that the waterproof and thermal insulation performance of the BIPV roof structure is not damaged by the joint position; the sealed connection between the C-shaped member 7 and the vertical plate 5 and the wing plate 6 ensures the sealing and protection between the cover plate 3 and the roof panel 2 and the insulation layer, effectively preventing rainwater from invading from the joint position, improving the waterproof performance of the entire roof structure, and preventing heat transfer or dissipation, so that the insulation layer can play a better role and enhance the thermal insulation effect of the roof structure; the C-shaped member 7 is tightly connected with the roof panel 2 and the cover plate 3, which enhances the stability of the entire roof structure, making the roof structure more solid, reliable and practical.

[0031] In some embodiments, combined Figure 2 As shown, it also includes a first connecting component 8, by which the first side panel 71 is sealed and connected to the vertical panel 5; and a second connecting component 9, by which the second side panel 73 is sealed and connected to the wing panel 6.

[0032] Specifically, the first connecting component 8 and the second connecting component 9 are both connected to the side of the C-shaped member 7 away from the roof panel 2, that is, the installation positions of the C-shaped member 7, the roof panel 2 and the vertical plate 5 are all located on the upper part of the C-shaped member 7, away from the roof panel 2, so as to reduce the risk of leakage during the drainage process of the roof panel 2.

[0033] In some embodiments, combined Figure 1As shown, the part of the plate body of the cover plate 3 is arranged downwardly and obliquely towards the direction close to the roof panel 2, forming an inclined guide surface 31; at least two inclined guide surfaces 31 are formed on the cover plate 3, and the top sides of the at least two inclined guide surfaces 31 are connected to guide the water flow to the edge of the cover plate 3; the two inclined guide surfaces 31 are connected, and the whole is triangular, which can effectively help roof drainage and guide rainwater to both sides, and has high practicability.

[0034] In some embodiments, in combination Figure 2 As shown, the first connecting assembly 8 comprises a first screw 81 and a first sealant 82; the first screw 81 is sequentially penetrated through and connected with the first side plate 71 and the stand plate 5; the first sealant 82 is coated at the connecting position of the first screw 81 and the first side plate 71 and the stand plate 5, so as to realize the sealed connection between the C-shaped piece 7 and the stand plate 5; the first sealant 82 can be butyl sealant; the second connecting assembly 9 comprises a second screw and a second sealant; the second screw is sequentially penetrated through and connected with the second side plate 73 and the wing plate 6; the second sealant is coated at the connecting position of the second screw and the second side plate 73 and the wing plate 6; and the second sealant can be butyl sealant.

[0035] In some embodiments, in combination Figure 2 As shown, the edge plate body of the wing plate 6 is bent and extended to form a folded edge, that is, a water drip guide 61; the water drip guide 61 is used to guide rainwater to drain outwards and avoid backflow.

[0036] In some embodiments, in combination Figure 2 As shown, the stand plate 5 is provided with a mounting foot 51; the mounting foot 51 abuts against the support layer 1; the support foot is fixed on the support layer 1 by means of a screw; and the stand plate 5 is fixed on the support layer 1 by means of the mounting foot 51.

[0037] According to the embodiments of the utility model, on the other hand, a kind of building integrated photovoltaic roof is also provided, including the joint connecting structure as described in any one of the above.

[0038] Specifically, the building integrated photovoltaic roof includes a support layer 1, a tile layer arranged above the support layer 1, and a photovoltaic layer arranged above the tile layer, wherein the tile layer is formed by a plurality of roof panels 2 arranged along a first direction, and at the joint position of the tile layer, that is, at the roof joint 21 position, the cover plate 3 is connected to the roof panel 2 by the joint node 4, to obtain a continuous roof structure, to ensure that the waterproof and thermal insulation performance are not damaged by the joint position.

[0039] Obviously, the above embodiments are only examples for clearly illustrating, and are not limitation to the embodiments. Although the embodiments of the present application are described in conjunction with the drawings, various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and variations fall within the scope of the present application.

Claims

1. A seam connection structure, characterized in that: It comprises: a support layer (1); a roof panel (2) covering the support layer (1); at least two roof panels (2) are arranged at intervals along a first direction, forming a roof seam (21); a cover plate (3) covering the roof seam (21) and connected to the at least two roof panels (2) on both sides; the connection between the cover plate (3) and the roof panel (2) is defined as a seam joint (4), and the seam joint (4) comprises: a vertical plate (5) fixed to the support layer (1); a wing plate (6) formed by bending and extending the edge plate body of the cover plate (3); a C-shaped piece (7) formed at the edge plate body of the roof panel (2); the C-shaped piece (7) comprises a first side plate (71), a middle plate (72) and a second side plate (73); wherein the edge plate body of the roof panel (2) is bent and extended to form the first side plate (71), the first side plate (71) is bent and extended to form the middle plate (72), and the middle plate (72) is bent and extended to form the second side plate (73); the first side plate (71) is sealingly connected to the vertical plate (5), and the second side plate (73) is sealingly connected to the wing plate (6).

2. The splice joint structure of claim 1, wherein It also comprises a first connecting assembly (8) for sealingly connecting the first side plate (71) to the vertical plate (5); a second connecting assembly (9) for sealingly connecting the second side plate (73) to the wing plate (6).

3. The splice joint structure of claim 2, wherein The first connecting assembly (8) and the second connecting assembly (9) are connected to the side of the C-shaped piece (7) away from the roof panel (2).

4. The splice joint structure of claim 1, wherein Part of the plate body of the cover plate (3) is arranged downwardly inclined towards the roof panel (2), forming an inclined guide surface (31).

5. The splice joint structure of claim 4, wherein At least two inclined guide surfaces (31) are formed on the cover plate (3), and the top sides of the at least two inclined guide surfaces (31) are connected, suitable for guiding water flow to the edge of the cover plate (3).

6. The splice joint structure of claim 2, wherein The first connecting assembly (8) comprises a first screw (81) and a first sealant (82), the first screw (81) penetrates and connects the first side plate (71) and the vertical plate (5) in sequence, and the first sealant (82) is coated at the connection position of the first screw (81) and the first side plate (71) and the vertical plate (5).

7. The splice joint structure of claim 6, wherein The second connecting assembly (9) comprises a second screw and a second sealant, the second screw penetrates and connects the second side plate (73) and the wing plate (6) in sequence, and the second sealant is coated at the connection position of the second screw and the second side plate (73) and the wing plate (6).

8. The splice joint structure of claim 1, wherein The edge plate body of the wing plate (6) is bent and extended to form a water droplet guide (61).

9. The splice joint structure of claim 1, wherein The vertical plate (5) is provided with a mounting foot (51), and the vertical plate (5) is fixed to the support layer (1) by means of the mounting foot (51).

10. A building integrated photovoltaic roof, characterized in that It comprises the seam connecting structure according to any one of claims 1-9.