CN220401643U

CN220401643U - Photovoltaic system for roof

Info

Publication number: CN220401643U
Application number: CN202321918423.2U
Authority: CN
Inventors: 杨斌; 张黎; 邹洪; 欧阳晓平; 谢斌泉; 胡江泉; 段翔睿
Original assignee: Hunan Goldwell New Materials Technology Co Ltd
Current assignee: Hunan Goldwell New Materials Technology Co Ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-01-26
Anticipated expiration: 2033-07-20

Abstract

The utility model discloses a photovoltaic system for a roof, which comprises a photovoltaic panel unit, a supporting base and a connecting component, wherein the gradient direction of the roof is defined as a longitudinal direction, the direction which is horizontally perpendicular to the longitudinal direction is defined as a transverse direction, the supporting base is uniformly arranged on the roof at intervals along the longitudinal direction and is connected with the roof below the supporting base through the connecting component, the photovoltaic panel unit comprises a photovoltaic panel, and a longitudinal frame and a transverse frame which are coated on the edge of the photovoltaic panel, and the transverse frame of each photovoltaic panel unit is borne on the corresponding supporting base along the transverse direction and is connected with the supporting base. The photovoltaic system has the advantages of firm and reliable connection, material consumption reduction and cost reduction.

Description

Photovoltaic system for roof

Technical Field

The utility model mainly relates to a solar photovoltaic power generation technology, in particular to a photovoltaic system for a roof.

Background

Solar energy is energy generated by the continuous nuclear fusion reaction process of black seeds in the sun or on the surface. The solar energy has the advantages of sufficient resources, long service life, wide distribution, safety, cleanness, reliable technology and the like, and the application range is very wide because the solar energy can be converted into various other forms of energy. The power obtained from solar energy is obtained by performing photoelectric conversion by a solar cell.

Photovoltaic panels are often mounted on the roof of buildings over large areas to receive sunlight and produce electrical energy. Under specific conditions, the roof can be replaced by a photovoltaic panel covered on the top surface of the building, so that the effect of shielding wind and rain is achieved. The installation scene is that a photovoltaic system is paved on a color steel tile roof, the photovoltaic system comprises a photovoltaic panel, light Fu Biankuang, a photovoltaic support and the like, in the prior art, a row of photovoltaic supports are paved on the color steel tile roof, then a photovoltaic unit formed by combining the photovoltaic panel and a photovoltaic frame is erected on the photovoltaic support, and the photovoltaic frame and the photovoltaic support are fastened through bolts to form fixed connection. The building structure of the photovoltaic unit and the photovoltaic support often has building nodes which are in point contact with each other, because the building nodes are in point contact, positive and negative wind pressures often cause instantaneous stress concentration on the building nodes, the building nodes become strong stress points to cause bending of the photovoltaic frame and collapse of the photovoltaic panel, and in order to avoid bending of the photovoltaic frame and collapse of the photovoltaic panel, the wall thickness and the size of the photovoltaic frame are often made to be large in the prior art, and the manufacturing and transportation cost is further increased.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects in the prior art, and provide the photovoltaic system for the roof, which is used for forming a line contact erection joint between the photovoltaic frame and the photovoltaic bracket, is firm and reliable in connection, can reduce the wall thickness and the size of the photovoltaic frame and reduce the cost.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a photovoltaic system for roof, includes photovoltaic panel unit, supporting pedestal and coupling assembling, defines the slope direction of roof as longitudinal direction, defines the direction that is perpendicular with this longitudinal direction level as transverse direction, supporting pedestal is even interval arrangement along longitudinal direction on the roof and is connected with the roofing of below through coupling assembling, photovoltaic panel unit includes photovoltaic panel and cladding at photovoltaic panel marginal longitudinal frame and transverse frame, and the transverse frame of each photovoltaic panel unit bears on corresponding supporting pedestal along transverse direction and is connected with supporting pedestal.

As a further improvement of the above technical scheme:

the support base comprises an installation table, bearing edges are bent on two sides of the installation table, supporting edges are bent on side portions of each bearing edge, connecting edges are bent on the supporting edges, transverse frames of the photovoltaic panel units are borne on the corresponding bearing edges along the transverse direction, pressing pieces used for pressing the transverse frames are installed on the installation table, and the connecting edges are connected with connecting assemblies below through bolts.

The compressing piece comprises a pressing plate and a locking bolt, the pressing plate is arranged on the transverse frame in a pressing mode, and the locking bolt penetrates through the pressing plate and is in threaded connection with the mounting table.

And the supporting edge is provided with a reinforcing piece for supporting and reinforcing two adjacent longitudinal frames.

The connecting assembly comprises a clamping piece, one end of the clamping piece is connected with the connecting edge through a bolt, and the other end of the clamping piece clamps the color steel tile below the clamping piece.

The utility model provides a photovoltaic system for roof, includes photovoltaic panel unit, supporting pedestal and coupling assembling, defines the slope direction of roof as longitudinal direction, defines the direction that is perpendicular with this longitudinal direction level as transverse direction, supporting pedestal is even interval arrangement along transverse direction on the roof and is connected with the roofing of below through coupling assembling, photovoltaic panel unit includes photovoltaic panel and cladding at photovoltaic panel marginal longitudinal frame and transverse frame, and the longitudinal frame of each photovoltaic panel unit bears on corresponding supporting pedestal along longitudinal direction and is connected with supporting pedestal.

As a further improvement of the above technical scheme:

the support base comprises an anchor pulling groove, bearing edges are bent on two sides of the anchor pulling groove, supporting edges are bent on side portions of the bearing edges, connecting edges are formed on the bottoms of the supporting edges, longitudinal frames of the photovoltaic panel units are borne on the corresponding bearing edges along the longitudinal direction, pressing pieces used for pressing the longitudinal frames are mounted in the anchor pulling groove, and the connecting edges are connected with connecting assemblies below.

The pressing piece comprises a pressing plate and an anchor pulling bolt, the pressing plate is pressed on the longitudinal frame, and the anchor pulling bolt penetrates through the pressing plate and is anchored in the anchor pulling groove.

And the supporting edge is provided with a reinforcing piece for supporting and reinforcing two adjacent transverse frames.

The connecting assembly comprises a clamping piece and an adapter piece, wherein the adapter piece is connected with the connecting edge, one end of the clamping piece is connected with the adapter piece through a bolt, and the other end of the clamping piece clamps the color steel tile below the clamping piece.

The connecting assembly comprises an adapter and a connecting plate, wherein the adapter is connected with the connecting edge, one end of the connecting plate is connected with the adapter through a bolt, and the other end of the connecting plate is connected with the glazed tile below the connecting plate.

The adapter comprises a top adapter plate and a bottom adapter plate, wherein the top adapter plate is connected with the connecting edge, and the bottom adapter plate is connected with the connecting plate.

The adaptor comprises a top adaptor table and a bottom adaptor plate, wherein the top adaptor table is connected with the connecting edge, and the bottom adaptor plate is connected with the connecting plate.

Compared with the prior art, the utility model has the advantages that:

when the photovoltaic system for the roof is installed, the longitudinal frame and the transverse frame are enclosed on the corresponding edges of the photovoltaic panel and are spliced and fixed to form the photovoltaic panel unit, the connecting assembly is fixedly connected with the roof below, the supporting base is fixedly erected on the connecting assembly, and then the transverse frame is borne on the supporting base and is fixedly connected with the supporting base. Compared with the traditional structure, the transverse frame in the photovoltaic system is wholly borne on the support base along the transverse length direction of the transverse frame to form a line contact erection node, so that the connection area of the transverse frame and the support base is greatly increased, the connection strength is improved, and the connection is stable and reliable; further, the joint is set up in the line contact of horizontal frame and supporting pedestal formation, and horizontal frame and supporting pedestal atress jointly has improved horizontal frame and supporting pedestal's ability of bearing wind pressure load greatly, under the prerequisite that satisfies anti wind pressure ability, can reduce horizontal frame's wall thickness and size, reduce material quantity, reduce cost.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present utility model.

Fig. 2 is a schematic structural view (front view) of embodiment 1 of the present utility model.

Fig. 3 is a schematic structural view (side view) of embodiment 1 of the present utility model.

Fig. 4 is an enlarged view at a in fig. 2.

Fig. 5 is an enlarged view at B in fig. 3.

Fig. 6 is a schematic perspective view of embodiment 2 of the present utility model.

Fig. 7 is a schematic structural view (front view) of embodiment 2 of the present utility model.

Fig. 8 is an enlarged view at C in fig. 7.

Fig. 9 is a partial enlarged view (side view) of embodiment 2 of the present utility model.

Fig. 10 is a schematic perspective view of embodiment 3 of the present utility model.

Fig. 11 is a schematic structural view (front view) of embodiment 3 of the present utility model.

Fig. 12 is a schematic structural view (side view) of embodiment 3 of the present utility model.

Fig. 13 is a partial perspective view of embodiment 4 of the present utility model.

Fig. 14 is a partial schematic structural view (front view) of embodiment 4 of the present utility model.

Fig. 15 is a partial schematic structural view (side view) of embodiment 4 of the present utility model.

The reference numerals in the drawings denote:

1. a photovoltaic panel unit; 11. a photovoltaic panel; 12. a longitudinal frame; 13. a transverse frame; 2. a support base; 21. a mounting table; 22. a carrying edge; 23. a support edge; 24. connecting edges; 25. an anchor pulling groove; 3. a connection assembly; 31. a clamping member; 32. an adapter; 321. a top adaptor plate; 322. a bottom adapter plate; 323. a top transfer station; 33. a connecting plate; 4. a pressing member; 41. a pressing plate; 42. a locking bolt; 43. an anchor bolt is pulled; 5. a reinforcement.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples.

Example 1:

as shown in fig. 1 to 5, a first embodiment of the photovoltaic system for a roof of the present utility model comprises a photovoltaic panel unit 1, a support base 2 and a connection assembly 3, the gradient direction defining the roof is a longitudinal direction, the direction horizontally perpendicular to the longitudinal direction is a transverse direction, the support base 2 is uniformly spaced on the roof along the longitudinal direction and connected with the roof below the roof through the connection assembly 3, the photovoltaic panel unit 1 comprises a photovoltaic panel 11, and a longitudinal frame 12 and a transverse frame 13 wrapping the edges of the photovoltaic panel 11, and the transverse frame 13 of each photovoltaic panel unit 1 is carried on the corresponding support base 2 along the transverse direction and connected with the support base 2. During installation, the longitudinal frame 12 and the transverse frame 13 are enclosed at the corresponding edges of the photovoltaic panel 11 and are spliced and fixed to form the photovoltaic panel unit 1, the connecting assembly 3 is fixedly connected with a roof below, the supporting base 2 is fixedly erected on the connecting assembly 3, and then the transverse frame 13 is borne on the supporting base 2 and is fixedly connected with the supporting base 2. Compared with the traditional structure, the support base 2 in the photovoltaic system is uniformly arranged on a roof at intervals along the longitudinal direction, the transverse frame 13 is wholly borne on the support base 2 along the transverse length direction of the support base, and a line contact building node is formed, so that the connection area of the transverse frame 13 and the support base 2 is greatly increased, the connection strength is improved, and the connection is stable and reliable; further, the joint is set up in the line contact of horizontal frame 13 and supporting base 2, and the frame atress jointly with supporting base 2 has improved the ability that horizontal frame 13 and supporting base 2 bore wind pressure load greatly, under the prerequisite that satisfies anti wind pressure ability, can reduce the wall thickness and the size of horizontal frame 13, reduces material quantity, reduce cost.

In this embodiment, the supporting base 2 includes a mounting table 21, two sides of the mounting table 21 are respectively bent with a carrying edge 22, each carrying edge 22 side is respectively bent with a supporting edge 23, each supporting edge 23 is bent with a connecting edge 24, the lateral frame 13 of the photovoltaic panel unit 1 is carried on the corresponding carrying edge 22 along the lateral direction, the mounting table 21 is provided with a compressing member 4 for compressing the lateral frame 13, and the connecting edges 24 are connected with the connecting assembly 3 below by bolts. In this structure, the support base 2 is fixedly connected with the connecting component 3 below through the connecting edge 24, two adjacent transverse frames 13 are borne on the bearing edge 22 of the support base 2, and the transverse frames 13 are pressed on the bearing edge 22 through the pressing piece 4 installed on the installation table 21, so that the installation and fixation of the photovoltaic panel unit 1 are realized, and the structure is simple, and the connection is stable and reliable.

In this embodiment, the pressing member 4 includes a pressing plate 41 and a locking bolt 42, the pressing plate 41 is pressed on the lateral frame 13, and the locking bolt 42 is threaded through the pressing plate 41 and is connected with the mounting table 21. In this structure, clamp plate 41 presses to establish on two adjacent horizontal frames 13, and lock bolt 42 wears to locate clamp plate 41 and with mount table 21 threaded connection, and when lock bolt 42 locked, drive clamp plate 41 sticis on bearing limit 22 with horizontal frame 13, its simple structure, convenient operation, connection are reliable.

In this embodiment, the supporting edge 23 is provided with a reinforcing member 5 for supporting and reinforcing the two adjacent longitudinal frames 12. In this structure, set up reinforcement 5 and support reinforcing to vertical frame 12, improved the ability of vertical frame 12 bearing load, under the prerequisite of guaranteeing its anti wind pressure ability, can reduce the wall thickness and the size of vertical frame 12, can further reduce the cost.

In this embodiment, the connecting assembly 3 includes a clamping member 31, one end of the clamping member 31 is connected to the connecting edge 24 by a bolt, and the other end clamps the color steel tile below the clamping member. In this structure, the color steel tile below is clamped by the clamping piece 31, and the structure is simple, and the connection is stable and reliable.

Example 2:

as shown in fig. 6 to 9, a second embodiment of the photovoltaic system for a roof of the present utility model comprises a photovoltaic panel unit 1, a support base 2 and a connection member 3, the slope direction defining the roof is a longitudinal direction, the direction horizontally perpendicular to the longitudinal direction is a transverse direction, the support base 2 is uniformly spaced on the roof in the transverse direction and connected with the roof below by the connection member 3, the photovoltaic panel unit 1 comprises a photovoltaic panel 11, and a longitudinal frame 12 and a transverse frame 13 wrapping the edges of the photovoltaic panel 11, and the longitudinal frame 12 of each photovoltaic panel unit 1 is carried on the corresponding support base 2 in the longitudinal direction and connected with the support base 2. During installation, the longitudinal frame 12 and the transverse frame 13 are enclosed at the corresponding edges of the photovoltaic panel 11 and are spliced and fixed to form the photovoltaic panel unit 1, the connecting assembly 3 is fixedly connected with a roof below, the supporting base 2 is fixedly erected on the connecting assembly 3, and then the longitudinal frame 12 is borne on the supporting base 2 and is fixedly connected with the supporting base 2. Compared with the traditional structure, the support base 2 in the photovoltaic system is uniformly arranged on a roof at intervals along the transverse direction, the longitudinal frame 12 is wholly borne on the support base 2 along the longitudinal direction of the support base, and a line contact building node is formed, so that the connection area of the longitudinal frame 12 and the support base 2 is greatly increased, the connection strength is improved, and the connection is stable and reliable; further, the longitudinal frame 12 and the support base 2 form a line contact erection joint, the frame and the support base 2 bear force together, the capacity of bearing wind pressure load of the longitudinal frame 12 and the support base 2 is greatly improved, and the wall thickness and the size of the longitudinal frame 12 can be reduced, the material consumption is reduced and the cost is reduced on the premise of meeting the wind pressure resistance capacity.

In this embodiment, the supporting base 2 includes an anchor-pulling groove 25, two sides of the anchor-pulling groove 25 are bent to form bearing edges 22, the side portions of each bearing edge 22 are bent to form supporting edges 23, connecting edges 24 are formed at the bottom of each supporting edge 23, the longitudinal frame 12 of the photovoltaic panel unit 1 is borne on the corresponding bearing edge 22 along the longitudinal direction, the anchor-pulling groove 25 is provided with a pressing piece 4 for pressing the longitudinal frame 12, and the connecting edges 24 are connected with the connecting assembly 3 below. In this structure, the supporting base 2 is fixedly connected with the connecting component 3 below through the connecting edge 24, two adjacent longitudinal frames 12 are borne on the bearing edge 22 of the supporting base 2, and the longitudinal frames 12 are pressed on the bearing edge 22 through the pressing piece 4 installed on the anchor pulling groove 25, so that the installation and fixation of the photovoltaic panel unit 1 are realized, and the structure is simple, and the connection is stable and reliable.

In this embodiment, the pressing member 4 includes a pressing plate 41 and an anchor bolt 43, the pressing plate 41 is pressed on the longitudinal frame 12, and the anchor bolt 43 is inserted into the pressing plate 41 and is anchored in the anchor slot 25. In the structure, the pressing plates 41 are pressed on the two adjacent longitudinal frames 12, the anchor bolts 43 are arranged on the pressing plates 41 in a penetrating mode and are anchored with the anchor pulling grooves 25, and the pressing plates 41 are driven to tightly press the longitudinal frames 12 on the bearing edges 22 when the anchor pulling bolts 43 are locked, so that the structure is simple, the operation is convenient, and the connection is reliable.

In this embodiment, the supporting edge 23 is provided with a reinforcing member 5 for supporting and reinforcing the two adjacent lateral frames 13. In this structure, set up reinforcement 5 and support reinforcing to horizontal frame 13, improved the ability of horizontal frame 13 bearing load, under the prerequisite of guaranteeing its anti wind pressure ability, can reduce the wall thickness and the size of horizontal frame 13, can further reduce cost.

In this embodiment, the connecting assembly 3 includes a clamping member 31 and an adapter member 32, the adapter member 32 is connected to the connecting edge 24, one end of the clamping member 31 is connected to the adapter member 32 by a bolt, and the other end clamps the color steel tile below the clamping member. In this structure, by providing the adapter 32 between the holder 31 and the connecting edge 24, the operation space is increased, and the operation is convenient.

Example 3:

as shown in fig. 10 to 12, a third embodiment of the photovoltaic system for roof of the present utility model is substantially the same as embodiment 2, except that:

in this embodiment, the connection assembly 3 includes an adapter 32 and a connection plate 33, where the adapter 32 is connected to the connection edge 24, and one end of the connection plate 33 is connected to the adapter 32 by a bolt, and the other end is connected to the glazed tile below the connection plate. The structure is simple, and the connection is stable and reliable.

In this embodiment, the adaptor 32 includes a top adaptor plate 321 and a bottom adaptor plate 322, the top adaptor plate 321 is connected to the connecting edge 24, and the bottom adaptor plate 322 is connected to the connecting plate 33. In this structure, the adaptor 32 includes top keysets 321 and bottom keysets 322, is connected with the connection limit 24 through top keysets 321, and bottom keysets 322 are connected with connecting plate 33, and connecting plate 33 is connected with the glazed tiles of below again, has increased operating space, simple operation.

Example 4:

as shown in fig. 13 to 15, a fourth embodiment of the photovoltaic system for roof of the present utility model, which is substantially the same as embodiment 2, differs only in that:

in this embodiment, the adaptor 32 includes a top adaptor stand 323 and a bottom adaptor plate 322, the top adaptor stand 323 is connected to the connecting edge 24, and the bottom adaptor plate 322 is connected to the connecting plate 33. In this structure, the adaptor 32 includes top transfer platform 323 and bottom adapter plate 322, is connected with the connection limit 24 through top transfer platform 323, has improved joint strength, and rethread bottom adapter plate 322 is connected with connecting plate 33, and connecting plate 33 is connected with the glazed tiles of below, has increased operating space, easy operation is convenient.

While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. A photovoltaic system for a roof, characterized by: including photovoltaic panel unit (1), supporting pedestal (2) and coupling assembling (3), the slope direction that defines the roof is longitudinal direction, and the definition is transverse direction with this longitudinal direction horizontal vertically direction, supporting pedestal (2) are even interval arrangement on the roof along longitudinal direction and are connected with the roofing of below through coupling assembling (3), photovoltaic panel unit (1) include photovoltaic panel (11) and cladding at photovoltaic panel (11) marginal longitudinal frame (12) and transverse frame (13), and transverse frame (13) of each photovoltaic panel unit (1) bear on corresponding supporting pedestal (2) along transverse direction and are connected with supporting pedestal (2).

2. The photovoltaic system for a roof of claim 1, wherein: the support base (2) comprises an installation table (21), bearing edges (22) are bent at two sides of the installation table (21), supporting edges (23) are bent at the side parts of each bearing edge (22), connecting edges (24) are bent on the supporting edges (23), transverse frames (13) of the photovoltaic panel units (1) are borne on the corresponding bearing edges (22) along the transverse direction, pressing pieces (4) used for pressing the transverse frames (13) are installed on the installation table (21), and the connecting edges (24) are connected with connecting assemblies (3) below through bolts.

3. The photovoltaic system for a roof of claim 2, wherein: the pressing piece (4) comprises a pressing plate (41) and a locking bolt (42), wherein the pressing plate (41) is pressed on the transverse frame (13), and the locking bolt (42) penetrates through the pressing plate (41) and is in threaded connection with the mounting table (21).

4. A photovoltaic system for a roof according to claim 3, characterized in that: the supporting edge (23) is provided with a reinforcing piece (5) for supporting and reinforcing two adjacent longitudinal frames (12).

5. The photovoltaic system for a roof of claim 4, wherein: the connecting assembly (3) comprises a clamping piece (31), one end of the clamping piece (31) is connected with the connecting edge (24) through a bolt, and the other end of the clamping piece is used for clamping the color steel tile below the connecting edge.

6. A photovoltaic system for a roof, characterized by: including photovoltaic panel unit (1), supporting pedestal (2) and coupling assembling (3), the slope direction that defines the roof is longitudinal direction, and the definition is transverse direction with this longitudinal direction horizontal vertically direction, supporting pedestal (2) are even interval arrangement on the roof along transverse direction and are connected with the roofing of below through coupling assembling (3), photovoltaic panel unit (1) include photovoltaic panel (11) and cladding at photovoltaic panel (11) marginal longitudinal frame (12) and transverse frame (13), and each photovoltaic panel unit (1) longitudinal frame (12) bear on corresponding supporting pedestal (2) along longitudinal direction and are connected with supporting pedestal (2).

7. The photovoltaic system for a roof of claim 6, wherein: support base (2) are including drawing anchor groove (25), draw anchor groove (25) both sides all to buckle and have bear limit (22), and each bear limit (22) lateral part all to buckle and have support limit (23), support limit (23) bottom shaping has connection limit (24), vertical frame (12) of photovoltaic panel unit (1) bear on corresponding bear limit (22) along longitudinal direction, draw anchor groove (25) to install and be used for compressing tightly piece (4) of vertical frame (12), connection limit (24) are connected with coupling assembling (3) of below.

8. The photovoltaic system for a roof of claim 7, wherein: the pressing piece (4) comprises a pressing plate (41) and anchor pulling bolts (43), the pressing plate (41) is pressed on the longitudinal frame (12), and the anchor pulling bolts (43) penetrate through the pressing plate (41) and are anchored in the anchor pulling grooves (25).

9. The photovoltaic system for a roof of claim 8, wherein: and the supporting edge (23) is provided with a reinforcing piece (5) for supporting and reinforcing two adjacent transverse frames (13).

10. The photovoltaic system for a roof of claim 9, wherein: the connecting assembly (3) comprises a clamping piece (31) and an adapter piece (32), wherein the adapter piece (32) is connected with the connecting edge (24), one end of the clamping piece (31) is connected with the adapter piece (32) through a bolt, and the other end of the clamping piece is used for clamping the color steel tile below the clamping piece.

11. The photovoltaic system for a roof of claim 9, wherein: the connecting assembly (3) comprises an adapter (32) and a connecting plate (33), wherein the adapter (32) is connected with the connecting edge (24), one end of the connecting plate (33) is connected with the adapter (32) through a bolt, and the other end of the connecting plate is connected with the glazed tile below the connecting plate.

12. The photovoltaic system for a roof of claim 11, wherein: the adapter piece (32) comprises a top adapter plate (321) and a bottom adapter plate (322), wherein the top adapter plate (321) is connected with the connecting edge (24), and the bottom adapter plate (322) is connected with the connecting plate (33).

13. The photovoltaic system for a roof of claim 11, wherein: the adapter (32) comprises a top adapter table (323) and a bottom adapter plate (322), wherein the top adapter table (323) is connected with the connecting edge (24), and the bottom adapter plate (322) is connected with the connecting plate (33).