Photovoltaic tile module and photovoltaic system

Abstract

The utility model discloses a photovoltaic tile module and a photovoltaic system, the photovoltaic tile module comprises a photovoltaic cylindrical tile module and a photovoltaic combined tile module, and the photovoltaic tile module takes a cylindrical tile roof of the traditional Quadrature of Beijing as an appearance foundation; the photovoltaic tile module and the photovoltaic system provided by the utility model conform to the regulations of pressing six-exposed-four tiles, pressing five-exposed-five tiles, pressing seven-exposed-three tiles and the like on the relative positions of the two plate tiles according to a construction method of a semi-cylindrical tile roof of a traditional Beijing quadrangle courtyard, and the photovoltaic tile module and the photovoltaic system both conform to the regulations, and conform to the color and modulus of the photovoltaic tile module and the photovoltaic system.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic buildings, in particular to a photovoltaic tile module and a photovoltaic system. Background Art

[0002] Photovoltaic tiles are roof panels made of amorphous silicon and coated with photovoltaic cells. Photovoltaic materials and devices convert light into electrical energy. Large areas of photovoltaic panels installed on the roofs of old buildings have caused serious damage to the roof, which is the fifth facade of the building. This phenomenon is particularly evident in the renovation of historical buildings represented by Beijing courtyard houses. Photovoltaic tiles are one of the good strategies to achieve building photovoltaic integration in Beijing's old city renovation and low-carbon renewal.

[0003] For example, in 2017, my country's Hanergy Thin Film Power Generation Group launched a new thin-film solar product, Hanwa, which integrates flexible thin-film solar chips with roof tiles, combining high-efficiency power generation performance with high-level safety performance, and is a new generation of roof tiles that better meets the aesthetic needs of modern buildings. The Hanwa series products released by Hanergy are divided into three types: curved, flat, and inverted C, which can meet the aesthetic design and personalized needs of most types of buildings.

[0004] However, the size, modulus, color and texture of Han tiles do not conform to the appearance and regulations of Beijing courtyard houses. Currently, there is still a lack of special photovoltaic roof tiles for the protection of Beijing's ancient buildings and cultural relics. At the same time, the drainage and power generation performance of existing photovoltaic tiles on the market needs to be improved.

[0005] Based on this, the present invention designs a photovoltaic tile module and a photovoltaic system to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a photovoltaic tile module in view of the technical defects existing in the prior art.

[0007] Another object of the present invention is to provide a photovoltaic system.

[0008] The technical solution adopted to achieve the purpose of this utility model is:

[0009] A photovoltaic tile module, wherein the photovoltaic tile module is a photovoltaic tubular tile module or a photovoltaic composite tile module;

[0010] Two opposite pulley sets are arranged at intervals on the bottom surface of the photovoltaic tile module, an assembly surface is arranged on the top surface of the photovoltaic tile module to fix and install the photovoltaic cell sheet, overlapping structures are arranged on the two opposite longitudinal top surfaces or bottom surfaces of the photovoltaic tile module, and plug-in structures and overlapping structures are arranged on the two opposite transverse edges;

[0011] When the photovoltaic tile module is a photovoltaic tubular tile module, it includes at least 9 integrally formed single-piece tile panels, which are arranged horizontally and vertically in a cross-arranged manner to form three rows and three columns; the single-piece tile panel is composed of an integrally formed inverted C-shaped tubular tile and two upwardly curved plate tiles, so that each photovoltaic tile module includes at least 9 tubular tiles and 18 plate tiles;

[0012] When the photovoltaic tile module is a photovoltaic composite tile module, it includes at least 12 integrally formed single-piece tile panels, which are cross-arranged horizontally and vertically to form 6 rows and 2 columns. The single-piece tile panel is composed of an integrally formed upwardly curved tile and a downwardly curved tile, so that each photovoltaic tile module includes at least 24 tiles.

[0013] In the above technical solution, a junction box, a sub-head and a female head are installed on the bottom surface of the photovoltaic tile module. The sub-head and the female head are arranged on the junction box, and the photovoltaic cells are connected to the junction box. The sub-heads and the female heads on a column of photovoltaic tile modules are connected in series in sequence, and the sub-heads or female heads on the photovoltaic tile modules at the ends of two adjacent columns are connected in series, and the entire circuit is arranged in a serpentine shape.

[0014] In the above technical solution, a plurality of first heat dissipation grooves arranged longitudinally in sequence are arranged at the bottom of the tubular tile, and a plurality of second heat dissipation grooves arranged longitudinally in sequence are arranged at the bottom of the plate tile, and the bottom surfaces of the second heat dissipation grooves form a fold line surface.

[0015] In the above technical solution, the photovoltaic tile module is filled with matte resin material or ABS material, and the RGB color number of the photovoltaic tile module is (125, 118, 113).

[0016] A photovoltaic system comprises a plurality of arc-shaped slide rails and a plurality of photovoltaic tile modules, wherein the plurality of arc-shaped slide rails are longitudinally fixed in sequence on the top of the transverse keel of the roof, and in the longitudinal direction, the plurality of photovoltaic tile modules are overlapped in sequence on the arc-shaped slide rails, and in the transverse direction, the plurality of photovoltaic tile modules are arranged in sequence and spliced ​​and mounted on the arc-shaped slide rails by combining a plug-in structure and an overlap structure, and the entire downward-inclined stepped tile surface is formed by the cross-section of the arc-shaped slide rails.

[0017] In the above technical solution, a tile drip bracket is arranged at the end of the stepped tile surface, and the tile drip bracket is fixedly installed on the roof for drainage.

[0018] In the above technical solution, the arc track of the arc slide rail is the same as the longitudinal arc of the installed roof. The arc slide rail is a square tube structure. Both ends of the arc slide rail are open, and a long strip opening is opened on one side along its length direction. The long strip openings of two adjacent arc slide rails are opposite to each other, so that the two pulleys on a photovoltaic tubular tile module or a photovoltaic composite tile module are respectively installed in a long strip opening.

[0019] In the above technical solution, the end of the arc-shaped slide rail is open, and the arc-shaped slide rail opening of the entire roof is sealed by the end baffle of the slide rail.

[0020] In the above technical solution, the upper end of the arc-shaped slide rail is connected to the ridge tile.

[0021] In the above technical solution, the pulley kit includes a horizontal plate, two inverted triangle pulley brackets and a pulley. The horizontal plate is installed at the bottom of the photovoltaic tile module. Two pulley brackets are installed at intervals at the bottom of the horizontal plate. A pulley roller is horizontally inserted on the two pulley brackets. A pulley is installed at the end of the pulley roller. The pulley is located in the arc-shaped slide rail.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The utility model is based on the appearance of the barrel-tile roof of the traditional Beijing courtyard house. According to Jia Jun's book "Beijing Courtyard", regarding the construction method of the barrel-tile roof of the traditional Beijing courtyard house, the relative positions of the two tiles are regulated by six pressed and four exposed, five pressed and five exposed, and seven pressed and three exposed tiles. The photovoltaic tile module and photovoltaic system provided by the utility model comply with the regulations, and their colors and moduli are in compliance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a top view of the photovoltaic tile module of Example 1.

[0025] Figure 2 It is a side view of the photovoltaic tile module of Example 1.

[0026] Figure 3 This is the front view of the photovoltaic tile module of Example 1.

[0027] Figure 4 This is the top surface of the three-dimensional view of the photovoltaic tubular tile module of Example 1.

[0028] Figure 5 This is the bottom surface of the three-dimensional image of the photovoltaic tubular tile module of Example 1.

[0029] Figure 6 This is a top view of the photovoltaic shingle module of Example 2.

[0030] Fig. 7A This is a front view of the photovoltaic shingle module of Example 2.

[0031] Figure 7B It is a side view of the photovoltaic shingle module of Example 2.

[0032] Figure 8 This is the top surface of the three-dimensional view of the photovoltaic shingle module of Example 2.

[0033] Fig. 9 This is the bottom surface of the three-dimensional image of the photovoltaic shingle module of Example 2.

[0034] Fig.10 It is a schematic diagram of the overall structure of the photovoltaic system of the present utility model (composed of the photovoltaic tubular tile module of Example 1).

[0035] Fig.11 It is a schematic diagram of the overall structure of the photovoltaic system of the present utility model (composed of the photovoltaic tubular tile module of Example 1).

[0036] Fig.12 It is a schematic diagram of the overall structure of the photovoltaic system of the present utility model (composed of the photovoltaic shingle module of Example 2).

[0037] Fig.13 It is a schematic diagram of the overall structure of the photovoltaic system of the present utility model (composed of the photovoltaic shingle module of Example 2).

[0038] Fig.14 It is a partial structural schematic diagram of the utility model.

[0039] Among them, 1: arc slide rail, 1.1: long strip mouth, 2: photovoltaic tubular tile module, 2.1: single tile panel, 2.11: tubular tile, 2.12: plate tile, 2.13: first overlap surface, 2.14: tile hanging hole, 2.15: plug-in groove, 2.16: third overlap surface, 2.17: first heat dissipation groove, 2.18: second heat dissipation groove, 2.19: first vertical plate, 2.20: second vertical plate, 2.2: junction box, 2.3: sub-head, 2.4: female head, 2.5: photovoltaic cell, 3: horizontal keel, 4: pulley kit, 4.1: horizontal plate, 4.2: pulley bracket, 4.3: pulley, 4.4: pulley roller, 5: tile drip bracket, 6: end baffle of slide rail, 7: drainage seam, 8: photovoltaic tile module, 8.1: splicing groove. DETAILED DESCRIPTION

[0040] The present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0041] Example 1

[0042] like Figure 1-Figure 5As shown, a photovoltaic tubular tile module comprises at least 9 integrally formed single-piece tile panels 2.1, wherein the single-piece tile panels 2.1 are cross-arranged horizontally and vertically to form three rows and three columns, two opposite pulley sets 4 are arranged at intervals on the bottom surface of the photovoltaic tubular tile module 2, and an assembly surface is arranged on the top surface of the photovoltaic tubular tile module 2 to fix and install photovoltaic cells 2.5, and overlapping structures are respectively arranged on the top surface or the bottom surface on the opposite sides in the longitudinal direction of the photovoltaic tubular tile module 2, and plug-in structures and overlapping structures are arranged on the two opposite lateral edges.

[0043] Among them, three single-piece tile panels 2.1 are overlapped longitudinally in sequence to form an integral body, forming three rows of single-piece tile panels 2.1, and the three rows of single-piece tile panels 2.1 are integrally formed transversely to form a stepped tile surface slanting downward, one pulley set 4 is installed on the single-piece tile panel 2.1 located in the middle position of a row, and the other pulley set 4 is installed on the single-piece tile panel 2.1 located in the middle position of an adjacent row, and the two pulley sets 4 are arranged opposite to each other, and a junction box 2.2, a sub-head 2.3 and a female head 2.4 are installed on the single-piece tile panel 2.1 of the last row, and the sub-head 2.3 and the female head 2.4 are arranged on the junction box, and the junction box 2.2 is connected to the photovoltaic cell 2.5, and the sub-heads and female heads on a row of photovoltaic tubular tile modules 2 are connected in series in sequence, and the sub-heads or female heads on the photovoltaic tubular tile modules 2 at the ends of two adjacent rows are connected in series, and the entire circuit is arranged in a serpentine shape.

[0044] The single-piece tile panel 2.1 is integrally formed by an inverted C-shaped tubular tile 2.11 and two upwardly curved plate tiles 2.12, so that each photovoltaic tubular tile module 2 includes at least 9 tubular tiles 2.11 and 18 plate tiles 2.12, and the two plate tiles 2.12 are longitudinally connected to each other and transversely connected to the tubular tile 2.11.

[0045] The photovoltaic tubular tile module 2 is provided with matching plug-in structures and overlapping structures on two opposite lateral edges, and a plug-in groove 2.15 is provided on the first lateral edge (on one side edge of the tile in this embodiment), and the side wall of the plug-in groove 2.15 extends to the other side to form a third overlapping surface 2.16, and the second lateral edge matches the plug-in groove 2.15 to form a plug-in structure with the plug-in groove 2.15;

[0046] In the longitudinal direction, a first overlapping surface 2.13 is arranged on the top surface of one end of the photovoltaic tubular tile module 2, and a second overlapping surface is arranged on the bottom surface of the other end, so as to form the overlapping structure.

[0047] The bottom of the cylindrical tile 2.11 is provided with a plurality of first heat dissipation grooves 2.17 arranged in sequence longitudinally, and the outer groove wall of the outermost first heat dissipation groove 2.17 overlaps the groove side wall of the adjacent plate tile 2.12 (i.e., the third overlapping surface 2.16) to form an overlapping structure, and the gap between the overlapping structures serves as a drainage seam 7; the bottom of the plate tile 2.12 is provided with a plurality of second heat dissipation grooves 2.18 arranged in sequence longitudinally, and the bottom surface of the second heat dissipation groove 2.18 forms a broken line surface;

[0048] The photovoltaic tubular tile module 2 is filled with matte resin material or ABS material, and its color is gray. The RGB color numbers (125, 118, 113) of the tubular tiles 2.11 and the plate tiles 2.12 are obtained by taking the color of the tubular tiles 2.11 of the traditional courtyard houses in Beijing.

[0049] A first vertical plate 2.19 is installed at the bottom of the connection between the cylindrical tile 2.11 and the first column of the plate tile 2.12, and a second vertical plate 2.20 is installed at the bottom of the connection between the cylindrical tile 2.11 and the second column of the plate tile 2.12. A pulley kit 4 is fixedly installed at the bottom of the first vertical plate 2.19 and the second vertical plate 2.20.

[0050] A tile hanging hole 2.14 is opened on each tile at the end of the photovoltaic tubular tile module 2, and the tile hanging hole 2.14 is hung on the tile hanging strip on the roof. A tile end drip bracket 5 is set at the end of the photovoltaic tubular tile module 2, and the tile end drip bracket 5 is fixedly installed on the roof for drainage.

[0051] Example 2

[0052] like Figure 6 , Fig. 7A , Figure 7B , Figure 8 and Fig. 9As shown, this embodiment provides another photovoltaic shingle module 8, comprising at least 12 integrally formed single-piece shingle panels 2.1, the single-piece shingle panels 2.1 are cross-arranged horizontally and vertically to form 6 rows and 2 columns, two opposite pulley sets are arranged at intervals on the bottom surface of the photovoltaic shingle module 8, the top surface of the photovoltaic shingle module 8 is provided with an assembly surface to fix and install photovoltaic cells, and overlapping structures are respectively provided on the top surface or the bottom surface of the two opposite sides of the photovoltaic shingle module 8 in the longitudinal direction, and plug-in structures and overlapping structures are provided on the other two opposite edges; wherein, A pulley kit 4 is installed on each column of single-piece tile panels 2.1 located in the middle position, and the two pulley kits 4 are arranged opposite to each other. A junction box 2.2, a sub-head 2.3 and a female head 2.4 are installed on the single-piece tile panels 2.1 of any column. The sub-head 2.3 and the female head 2.4 are arranged on the junction box, and the junction box 2.2 is connected to the photovoltaic cell 2.5. The sub-heads and female heads on a column of photovoltaic composite tile modules 8 are connected in series in sequence, and the sub-heads or female heads on the photovoltaic composite tile modules 8 at the ends of two adjacent columns are connected in series, and the entire circuit is arranged in a serpentine shape.

[0053] The single tile panel 2.1 is composed of an upwardly curved tile and a downwardly curved tile formed in one piece, so that each photovoltaic tile module includes at least 24 tiles 2.12, and a pulley kit is installed at the bottom of the downwardly curved tile 2.12.

[0054] The photovoltaic tile module 8 is provided with matching plug-in structures and overlapping structures on two opposite lateral edges, respectively. A plug-in groove 2.15 is provided on the first lateral edge (on one side edge of the tile that is bent downward in this embodiment), and the side wall of the plug-in groove 2.15 extends to the other side to form a third overlapping surface 2.16. A splicing groove 8.1 is provided on the second lateral edge, and the length of the primary side wall of the splicing groove 8.1 is greater than the side wall of the other side, and the side wall with a longer length matches the plug-in groove 2.15 to form a plug-in structure with the plug-in groove, and the third overlapping surface 2.16 is located in the splicing groove 8.1 to form an overlapping structure, and the gap between the overlapping structures forms a drainage seam 7;

[0055] In the longitudinal direction, a first overlap surface 2.13 is provided on the top surface of one end of the photovoltaic shingle module 8, and a second overlap surface is provided on the bottom surface of the other end to form the overlap structure. A plurality of first heat dissipation grooves 2.17 arranged longitudinally in sequence are provided at the bottom of the photovoltaic shingle module 8;

[0056] The photovoltaic composite tile module 8 is filled with matte resin material or ABS material, and its color is gray. The RGB color number (125, 118, 113) of the tile 2.12 is obtained by taking the color of the traditional Beijing courtyard tile 2.12.

[0057] A tile hanging hole 2.14 is opened on each tile at the end of the photovoltaic tile module 8, and the module is hung on the tile hanging strip on the roof through the tile hanging hole 2.14. A tile drip bracket 5 is arranged at the end of the photovoltaic tile module 8, and the tile drip bracket 5 is fixedly installed on the roof for drainage.

[0058] Example 3

[0059] like Figure 10-13 As shown, a photovoltaic system comprises a plurality of arc-shaped slide rails 1 and a plurality of photovoltaic tubular tile modules 2 as described in Example 1 or the photovoltaic composite tile modules 8 as described in Example 2. The plurality of arc-shaped slide rails 1 are longitudinally fixed in sequence on the top of the transverse keels 3 of the roof. The transverse keels 3 are arranged at intervals, and the gaps therebetween form ventilation interlayers. In the longitudinal direction, the plurality of photovoltaic tubular tile modules 2 or photovoltaic composite tile modules 8 are overlapped in sequence on the arc-shaped slide rails. In the transverse direction, the plurality of photovoltaic tubular tile modules 2 or photovoltaic composite tile modules 8 are arranged in sequence and spliced ​​and mounted on the arc-shaped slide rails by combining a plug-in structure and an overlap structure, and the entire downward-inclined stepped tile surface is formed by cross-linking in the horizontal and vertical directions.

[0060] Furthermore, the pulley set 4 is slidably mounted on the arc-shaped slide rail 1 , and each photovoltaic tubular tile module 2 or photovoltaic composite tile module 8 is slidably mounted on two adjacent arc-shaped slide rails 1 .

[0061] The arc track of the arc slide rail 1 is the same as the longitudinal arc of the roof on which it is installed. The arc slide rail 1 is a square tube structure. The front and rear ends of the arc slide rail 1 are open, and a long strip opening 1.1 is opened on its side along its length direction (the long strip openings 1.1 of two adjacent arc slide rails 1 are opposite, and the two pulleys 4.3 on a photovoltaic tubular tile module 2 or a photovoltaic composite tile module 8 are respectively installed in a long strip opening 1.1). The end of the arc slide rail 1 is open, and the opening of the arc slide rail 1 of the entire roof is sealed by the end baffle 6 of the slide rail, and the upper end of the arc slide rail 1 is connected to the ridge tile.

[0062] The pulley kit 4 includes a horizontal plate 4.1, two inverted triangle pulley brackets 4.24.2 and a pulley 4.3. The horizontal plate 4.1 is installed at the bottom of the first vertical plate 2.19 and the second vertical plate 2.20. Two pulley brackets 4.2 are installed at intervals at the bottom of the horizontal plate 4.1. A pulley roller 4.4 is horizontally inserted into the two pulley brackets 4.2. The pulley 4.3 is installed at the end of the pulley roller 4.4. The pulley 4.3 is located in the arc-shaped slide rail 1.

[0063] The drainage system of the utility model: a first drainage path is formed on one longitudinal side of the entire stepped tile surface; the drainage seams 7 between the longitudinal overlap and plug-in structures of the entire stepped tile surface are connected to form a second drainage path, and the first drainage path and the second drainage path are connected, flowing downward along the entire stepped tile surface to the tile end drip bracket.

[0064] Example 4

[0065] like Figure 1-Figure 14 As shown, this embodiment provides a method for installing and repairing a photovoltaic system as described in Embodiment 3, and the process is as follows:

[0066] During assembly, after assembling the photovoltaic tubular tile module 2 or photovoltaic composite tile module 8 and the pulley kit 4, slide down along the two adjacent arc-shaped slide rails 1 in turn (the ends of the arc-shaped slide rails 1 are sealed), the photovoltaic tubular tile modules 2 or photovoltaic composite tile modules 8 adjacent in the longitudinal direction are overlapped together, and the photovoltaic tubular tile modules 2 or photovoltaic composite tile modules 8 adjacent in the transverse direction are overlapped and plugged together, and at the same time, the photovoltaic tubular tile module 2 or photovoltaic composite tile module 8 is hung on the tile hanging strip at the upper end of the roof through the tile hanging hole 2.14, thereby forming the entire stepped tile surface;

[0067] When the photovoltaic tubular tile module 2 or the photovoltaic composite tile module 8 needs to be repaired, a row of photovoltaic tubular tile modules 2 or photovoltaic composite tile modules 8 are slid out from the arc-shaped slide rail 1, and then the damaged photovoltaic tubular tile module 2 or photovoltaic composite tile module 8 is removed, replaced, and then installed.

[0068] For ease of explanation, spatial relative terms such as "upper", "lower", "left", "right" and the like are used in the embodiments to illustrate the relationship of one element or feature shown in the figure relative to another element or feature. It should be understood that, in addition to the orientation shown in the figure, the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, the element described as being "under" other elements or features will be positioned "on" other elements or features. Therefore, the exemplary term "under" can include both upper and lower orientations. The device can be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used here can be interpreted accordingly.

[0069] Furthermore, relational terms such as “first” and “second” and the like are merely used to distinguish one component from another having the same name, but do not necessarily require or imply any such actual relationship or order between these components.

[0070] The above is only a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A photovoltaic tile module, characterized in that: The photovoltaic tile module is a photovoltaic tubular tile module or a photovoltaic composite tile module; Two opposite pulley sets are arranged at intervals on the bottom surface of the photovoltaic tile module, an assembly surface is arranged on the top surface of the photovoltaic tile module to fix and install the photovoltaic cell sheet, overlapping structures are arranged on the two opposite longitudinal top surfaces or bottom surfaces of the photovoltaic tile module, and plug-in structures and overlapping structures are arranged on the two opposite transverse edges; When the photovoltaic tile module is a photovoltaic tubular tile module, it includes at least 9 integrally formed single-piece tile panels, which are arranged horizontally and vertically in a cross-arranged manner to form three rows and three columns; the single-piece tile panel is composed of an integrally formed inverted C-shaped tubular tile and two upwardly curved plate tiles, so that each photovoltaic tile module includes at least 9 tubular tiles and 18 plate tiles; When the photovoltaic tile module is a photovoltaic composite tile module, it includes at least 12 integrally formed single-piece tile panels, which are cross-arranged horizontally and vertically to form 6 rows and 2 columns. The single-piece tile panel is composed of an integrally formed upwardly curved tile and a downwardly curved tile, so that each photovoltaic tile module includes at least 24 tiles.

2. The photovoltaic tile module according to claim 1, characterized in that: The bottom surface of the photovoltaic tile module is installed with a junction box, a sub-head and a female head. The sub-head and the female head are arranged on the junction box, and the photovoltaic cells are connected to the junction box. The sub-heads and the female heads on a column of photovoltaic tile modules are connected in series in sequence, and the sub-heads or female heads on the photovoltaic tile modules at the ends of two adjacent columns are connected in series, and the entire circuit is arranged in a serpentine shape.

3. The photovoltaic tile module according to claim 1, characterized in that: A plurality of first heat dissipation grooves arranged longitudinally in sequence are arranged at the bottom of the tubular tile, and a plurality of second heat dissipation grooves arranged longitudinally in sequence are arranged at the bottom of the plate tile, wherein the bottom surfaces of the second heat dissipation grooves form a fold line surface.

4. The photovoltaic tile module according to claim 1, characterized in that: Photovoltaic tubular tile modules and photovoltaic composite tile modules are filled with matte resin or ABS material.

5. A photovoltaic system, characterized in that: It comprises a plurality of arc-shaped slide rails and a plurality of photovoltaic tile modules as described in any one of claims 1 to 4, wherein the plurality of arc-shaped slide rails are longitudinally fixed in sequence on the top of the transverse keel of the roof, and in the longitudinal direction, the plurality of photovoltaic tile modules are overlapped in sequence on the arc-shaped slide rails, and in the transverse direction, the plurality of photovoltaic tile modules are arranged in sequence and spliced ​​and mounted on the arc-shaped slide rails by combining a plug-in structure and an overlap structure, and the entire downward-inclined stepped tile surface is formed by cross-section in the transverse and transverse directions.

6. The photovoltaic system according to claim 5, characterized in that: A tile drip bracket is arranged at the end of the stepped tile surface, and the tile drip bracket is fixedly installed on the roof.

7. The photovoltaic system according to claim 5, characterized in that: The arc track of the arc slide rail is the same as the longitudinal arc of the roof on which it is installed. The arc slide rail is a square tube structure. Both ends of the arc slide rail are open, and a long strip opening is opened on one side along its length direction. The long strip openings of two adjacent arc slide rails are opposite to each other, so that the two pulleys on one of the photovoltaic tubular tile modules or photovoltaic composite tile modules are respectively installed in a long strip opening.

8. The photovoltaic system according to claim 5, characterized in that: The end of the arc-shaped slide rail is opened, and the arc-shaped slide rail opening of the entire roof is sealed by the end baffle of the slide rail.

9. The photovoltaic system according to claim 5, characterized in that: The upper end of the arc-shaped slide rail is connected to the ridge tile.

10. The photovoltaic system according to claim 5, characterized in that: The pulley kit includes a horizontal plate, two inverted triangle pulley brackets and a pulley. The horizontal plate is installed at the bottom of the photovoltaic tile module. Two pulley brackets are installed at intervals at the bottom of the horizontal plate. A pulley roller is horizontally inserted on the two pulley brackets. A pulley is installed at the end of the pulley roller. The pulley is located in the arc-shaped slide rail.

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