Integrated photovoltaic tile roof system

Abstract

The utility model relates to the technical field of roof systems, and provides an integrated photovoltaic tile roof system which comprises a structural framework and a plurality of photovoltaic roof tile integration units laid on the structural framework. The photovoltaic roof tile integration unit comprises a solar photovoltaic battery pack plate, a frame surrounding the solar photovoltaic battery pack plate, a connecting piece and a waterproof heat preservation layer arranged below the solar photovoltaic battery pack plate. The connecting piece is connected with the waterproof heat preservation layer and the structural framework and further connected with the solar photovoltaic battery pack plate and the structural framework. A distance is kept between the bottom of the solar photovoltaic battery pack plate and the top of the waterproof heat preservation layer. By simplifying the system structure, the installation and construction efficiency of the roof system is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of roofing systems, and particularly relates to an integrated photovoltaic tile roofing system. Background Art

[0002] At present, based on the development trend of the photovoltaic industry, photovoltaic tiles that integrate the functions of traditional tiles and photovoltaic power generation have emerged on the market. The photovoltaic tiles are laid on the building roof to form a photovoltaic tile roofing system. However, the existing photovoltaic tile roofing system has a complex structure, is inconvenient to install, and is not conducive to later maintenance and replacement. Content of the Utility Model

[0003] In view of the above problems in the prior art, the present application proposes an integrated photovoltaic tile roofing system, aiming to simplify the system structure for easy installation and disassembly and improve the construction efficiency.

[0004] The utility model proposes an integrated photovoltaic tile roofing system, which includes a structural framework and a plurality of integrated photovoltaic roofing tile units paved on the structural framework; each integrated photovoltaic roofing tile unit includes a solar photovoltaic cell panel, a frame surrounding the solar photovoltaic cell panel, a connecting member, and a waterproof and heat-insulating layer arranged below the solar photovoltaic cell panel; the connecting member connects the waterproof and heat-insulating layer and the structural framework, and the connecting member also connects the solar photovoltaic cell panel and the structural framework; there is a spacing between the bottom of the solar photovoltaic cell panel and the top of the waterproof and heat-insulating layer.

[0005] Further, the waterproof and heat-insulating layer includes a rock wool sandwich color steel plate; a groove is arranged at the top of the rock wool sandwich color steel plate.

[0006] Further, the connecting member includes a connecting piece; the connecting piece has a first connecting portion and a second connecting portion connected as a whole; the first connecting portion is higher than the second connecting portion; the first connecting portion is hermetically connected between the frame and the structural framework, and the second connecting portion is connected to the waterproof and heat-insulating layer.

[0007] Further, the connecting piece further includes a vertically arranged support positioning piece; the top of the support positioning piece is connected to one end of the first connecting portion, and the bottom of the support positioning piece is connected to one end of the second connecting portion; the support positioning piece is located above the waterproof and heat-insulating layer and abuts against the side wall of the structural framework.

[0008] Further, the first connecting portion, the second connecting portion, and the support positioning piece are of an integrally formed structure.

[0009] Further, the structural framework includes roof purlins and a support framework; the support framework is arranged at intervals along the length direction of the roof purlins, and a waterproof and heat-insulating layer is arranged between two adjacent support frameworks.

[0010] Further, the support framework includes a U-shaped framework, and the top of the U-shaped framework is connected to the connecting member; the side wall of the U-shaped framework abuts against the waterproof and heat-insulating layer.

[0011] Further, a horizontally extending support foot is arranged at the bottom of the U-shaped framework; the support foot is connected between the waterproof and heat-insulating layer and the roof purlins.

[0012] Further, the second connecting portion is arranged in parallel with the support foot and clamps the waterproof and heat-insulating layer.

[0013] Further, the connecting member further includes self-tapping screws, and the self-tapping screws connect the support foot and the roof purlins; the self-tapping screws also connect the frame, the first connecting portion and the U-shaped framework; the self-tapping screws also connect the waterproof and heat-insulating layer and the second connecting portion.

[0014] The beneficial effects of the present utility model are as follows: The waterproof and heat-insulating layer and the solar photovoltaic cell panel surrounded by the frame are connected into a photovoltaic roof tile integrated unit through the connecting member, and the roof system of the present utility model can be formed by laying multiple photovoltaic roof tile integrated units on the structural framework; the structure is simple, the installation and disassembly are convenient, and during later maintenance, only the damaged photovoltaic roof tile integrated unit needs to be removed and replaced. The solar photovoltaic cell panel is surrounded by a frame, which is convenient for the installation and fixation of the solar photovoltaic cell panel and improves the installation efficiency; the roof system of the present utility model has a self-contained waterproof and heat-insulating function. Compared with the traditional roof construction, it reduces the construction processes such as the panel structural layer, the heat-insulating layer, and the waterproof layer one by one, and improves the construction efficiency of the roof system. By sealingly connecting the first connecting portion of the connecting member between the frame and the structural framework, and the frame surrounding the solar photovoltaic cell panel realizes multi-layer waterproofing of the roof system, and the waterproof effect of the roof system is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic plan view of a photovoltaic roof tile integrated unit of the integrated photovoltaic tile roof system of the present utility model.

[0016] Figure 2 It is a schematic cross-sectional view of a photovoltaic roof tile integrated unit of the integrated photovoltaic tile roof system of the present utility model installed on the structural framework.

[0017] Figure 3 For Figure 2 exploded structure schematic diagram.

[0018] Figure 4 It is a schematic diagram of the node where the U-shaped skeleton of the present utility model is connected to the integrated unit of the photovoltaic roofing tiles on both sides thereof.

[0019] In the figure, 1 - solar photovoltaic cell panel; 2 - frame; 3 - photovoltaic panel connecting wire; 4 - rock wool sandwich color steel plate; 5 - connecting piece; 6 - U-shaped skeleton; 7 - self-tapping screw; 8 - roof purlin. Specific embodiments

[0020] The following further describes the present utility model in detail with reference to the accompanying drawings and specific embodiments.

[0021] As Figures 1-4 shown, the integrated photovoltaic tile roofing system includes a structural skeleton and a plurality of integrated units of photovoltaic roofing tiles paved on the structural skeleton.

[0022] The structural skeleton includes a roof purlin 8 and a support skeleton; the support skeletons are arranged at intervals along the length direction of the roof purlin 8. The cross-sectional dimensions, wall thickness of the roof purlin 8 and the distance between adjacent roof purlins 8 are determined by the roof load and the roof truss span. The distance between the support skeletons is determined by the size of the integrated unit of the photovoltaic roofing tile.

[0023] Each integrated unit of the photovoltaic roofing tile includes a solar photovoltaic cell panel 1, a frame 2 surrounding the solar photovoltaic cell panel 1, a connecting piece, and a waterproof and heat-insulating layer arranged below the solar photovoltaic cell panel 1.

[0024] The solar photovoltaic cell panel 1 is 770 mm long, 290 mm wide and 17 mm thick, and is composed of materials such as polycrystalline silicon photovoltaic cells, 3.2 mm low-iron ultra-white tempered glass, and backplane produced by professional manufacturers.

[0025] The frame 2 is made of aluminum alloy material, with a width of 50 mm, a thickness of 17 mm, and a black color, and is connected to the solar photovoltaic cell panel 1.

[0026] A space is maintained between the bottom of the solar photovoltaic cell panel 1 and the top of the waterproof and heat-insulating layer for drainage, heat dissipation and installation. The waterproof and heat-insulating layer includes a rock wool sandwich color steel plate 4; a groove is arranged at the top of the rock wool sandwich color steel plate 4. The photovoltaic panel connecting wire 3 of the solar photovoltaic cell panel 1 is made of copper wire, and is routed through the groove at the top of the rock wool sandwich color steel plate 4. The rock wool sandwich color steel plate 4 includes heat-insulating cotton and color steel plate coated on the outer layer of the heat-insulating cotton. The thickness of the color steel plate is 1 mm, the total thickness of the color steel plate + heat-insulating cotton is 83 mm, the length of the rock wool sandwich color steel plate 4 is 770 mm, and the width is 390 mm.

[0027] The connecting piece includes a galvanized connecting plate 5; the connecting plate 5 is a folded plate, and the connecting plate 5 has a first connecting part, a supporting and positioning piece, and a second connecting part that are connected as a whole; the first connecting part is higher than the second connecting part; the first connecting part is hermetically connected between the frame 2 and the structural skeleton, and the second connecting part is connected to the waterproof and thermal insulation layer. The top of the supporting and positioning piece is connected to one end of the first connecting part, and the bottom of the supporting and positioning piece is connected to one end of the second connecting part; the supporting and positioning piece is located above the waterproof and thermal insulation layer and abuts against the side wall of the structural skeleton.

[0028] The first connecting part, the second connecting part, and the supporting and positioning piece are of an integrally formed structure, and the material is galvanized steel sheet.

[0029] The supporting skeleton includes a U-shaped skeleton 6, and the top of the U-shaped skeleton 6 is connected to the connecting piece; the side wall of the U-shaped skeleton 6 abuts against the waterproof and thermal insulation layer. The U-shaped skeleton 6 is also made of galvanized steel sheet, with a width of 200 mm, a height of 105 mm, and a thickness of 5 mm. The distance between adjacent U-shaped skeletons 6 is 870 mm. A horizontally extending supporting foot is provided at the bottom of the U-shaped skeleton 6; the supporting foot is connected between the waterproof and thermal insulation layer and the roof purlin 8. The second connecting part is arranged in parallel with the supporting foot and clamps the waterproof and thermal insulation layer. The connecting piece also includes self-tapping screws 7, and the self-tapping screws 7 connect the supporting foot and the roof purlin 8; the self-tapping screws 7 also connect the frame 2, the first connecting part, and the U-shaped skeleton 6; the self-tapping screws 7 also connect the waterproof and thermal insulation layer and the second connecting part. The model of the self-tapping screw 7 is M6.3.

[0030] The roof system of the present utility model has three waterproof structures. The first waterproof structure is the frame 2; the second waterproof structure is the connecting piece; the third waterproof structure is the rock wool sandwich color steel plate 4. When it rains, the waterproof joints formed by the galvanized connecting plate 5 collect and discharge rainwater.

[0031] When the main structure of the roof is installed, first install the roof purlin 8 perpendicular to the roof slope, and then connect the U-shaped skeleton 6 and the roof purlin 8 with self-tapping screws 7. Connect the spliced photovoltaic roof tile integrated units tightly longitudinally and transversely to form a complete roof. At the self-tapping screws 7 of the roof, apply a little gray structural sealant for color distinction and later maintenance.

[0032] The above is only the preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions falling within the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, several improvements and refinements made without departing from the principle of the present utility model should also be regarded as within the protection scope of the present utility model.

Claims

1. An integrated photovoltaic tile roofing system, characterized in that, It includes a structural framework and a plurality of integrated photovoltaic roofing tile units paved on the structural framework; the integrated photovoltaic roofing tile unit includes a solar photovoltaic battery panel, a frame surrounding the solar photovoltaic battery panel, a connecting member, and a waterproof and heat-insulating layer arranged below the solar photovoltaic battery panel; the connecting member connects the waterproof and heat-insulating layer and the structural framework, and the connecting member also connects the solar photovoltaic battery panel and the structural framework; there is a spacing between the bottom of the solar photovoltaic battery panel and the top of the waterproof and heat-insulating layer.

2. The integrated photovoltaic tile roof system according to claim 1, characterized in that The waterproof and heat-insulating layer includes a rock wool sandwich color steel plate; a groove is arranged at the top of the rock wool sandwich color steel plate.

3. The integrated photovoltaic tile roof system according to claim 1, wherein The connecting member includes a connecting piece; the connecting piece has a first connecting part and a second connecting part connected as a whole; the first connecting part is higher than the second connecting part; the first connecting part is hermetically connected between the frame and the structural framework, and the second connecting part is connected to the waterproof and heat-insulating layer.

4. The integrated photovoltaic tile roofing system according to claim 3, wherein The connecting piece further includes a vertically arranged support positioning piece; the top of the support positioning piece is connected to one end of the first connecting part, and the bottom of the support positioning piece is connected to one end of the second connecting part; the support positioning piece is located above the waterproof and heat-insulating layer and abuts against the side wall of the structural framework.

5. The integrated photovoltaic tile roof system according to claim 4, wherein, The first connecting part, the second connecting part and the support positioning piece are of an integrally formed structure.

6. The integrated photovoltaic tile roof system according to claim 3, wherein The structural framework includes roof purlins and a support framework; the support frameworks are arranged at intervals along the length direction of the roof purlins, and the waterproof and heat-insulating layer is arranged between two adjacent support frameworks.

7. The integrated photovoltaic tile roof system according to claim 6, characterized in that, The support framework includes a channel-shaped framework, and the top of the channel-shaped framework is connected to the connecting member; the side wall of the channel-shaped framework abuts against the waterproof and heat-insulating layer.

8. The integrated photovoltaic tile roofing system according to claim 7, wherein, A horizontally extended support foot is arranged at the bottom of the channel-shaped framework; the support foot is connected between the waterproof and heat-insulating layer and the roof purlins.

9. The integrated photovoltaic tile roofing system according to claim 8, wherein The second connecting part is arranged parallel to the support foot and clamps the waterproof and heat-insulating layer.

10. The integrated photovoltaic tile roof system according to claim 8, characterized in that, The connecting member further includes self-tapping screws, and the self-tapping screws connect the support foot and the roof purlins; the self-tapping screws also connect the frame, the first connecting part and the channel-shaped framework; the self-tapping screws also connect the waterproof and heat-insulating layer and the second connecting part.

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