WO2022073426A1

WO2022073426A1 - Photovoltaic module and photovoltaic roof member

Info

Publication number: WO2022073426A1
Application number: PCT/CN2021/120178
Authority: WO
Inventors: 孔维; 孟夏杰
Original assignee: 西安隆基绿能建筑科技有限公司
Priority date: 2020-10-10
Filing date: 2021-09-24
Publication date: 2022-04-14
Also published as: CN214101275U

Abstract

Embodiments of the present application provide a photovoltaic module and aa photovoltaic roof member. The photovoltaic module comprises: a cell panel and a frame; the frame surrounds the periphery of the cell panel; a water guide component is provided along a first side wall of the frame; the water guided component comprises a bottom plate and a side plate; the bottom plate is connected to the first side wall; the side plate and the first side wall are oppositely provided on two sides of the bottom plate, and the side plate, the bottom plate, and the first side wall constitute a water guide channel; and two ends of the bottom plate are bent in the direction away from the cell panel at the positions of two ports of the water guide channel. In the embodiments of the present application, the water guide channel is provided on the frame of the photovoltaic module, and the two ends of the bottom plate of the water guide channel are bent to form drip nozzle structures, such that rainwater can be prevented from flowing back along a wall hung on the bottom surface of a transverse water channel, the rainwater can be prevented from damaging a roof and entering a room, and a waterproof function of a building roof is further enhanced.

Description

A photovoltaic module and photovoltaic roofing part

This application claims the priority of the Chinese patent application filed on October 10, 2020 with the application number 202022242771.5 and the invention titled "a photovoltaic module and photovoltaic roof part", the entire contents of which are incorporated herein by reference middle.

technical field

The present application relates to the field of solar photovoltaics, and in particular, to a photovoltaic assembly and a photovoltaic roofing piece.

Background technique

The waterproofing principle of the existing building roof BIPV (Building Integrated photovoltaicaic, technology that integrates solar power (photovoltaic) products into the building) system is to install longitudinal water tanks and horizontal water tanks on the roof; On the horizontal water tank, in rainy days, the rainwater will seep from the gap between the photovoltaic modules. The vertical water tank and the horizontal water tank are used to receive the seepage water from the gap between the photovoltaic modules, and the seepage water is discharged to the roof through the water tank on the roof to prevent damage to the roof;

The existing BIPV system exists, and the horizontal water tank is set on the top of the building. Due to the uneven top surface of the building, the rainwater will flow backward along the bottom surface of the horizontal water tank, causing the rainwater to damage the roof, enter the room, and destroy the roof of the building. Waterproof function problem.

Application content

The present application provides a photovoltaic module to solve the problem of destroying the waterproof function of the roof of the building when the existing photovoltaic module is installed on the roof of the building.

In one aspect of the present application, a photovoltaic module is provided, including: a solar panel and a frame;

the frame surrounds the battery plate;

A water guiding member is arranged along the first side wall of the frame;

The water guiding member includes a bottom plate and a side plate, the bottom plate is connected with the first side wall, the side plate and the first side wall are arranged on both sides of the bottom plate opposite to the first side wall, and the side plate, the bottom plate and the first side wall constitute a water guide groove;

At the two port positions of the water guide groove, both ends of the bottom plate are bent in a direction away from the battery plate.

Optionally, an adhesive strip is attached to the outer side of the first side wall; one side of the adhesive strip is provided with a clamping structure; the first side wall is provided with a clamping groove; the opening of the clamping groove faces the the outer side of the first side wall; the clamping structure is embedded in the clamping groove.

Optionally, the shape of the cross-section of the snap-fit groove includes: a first trapezoid, and the bottom edge of the first trapezoid faces the inner side of the first side wall; then the shape of the cross-section of the snap-fit structure includes: : a second trapezoid matching the first trapezoid.

Another aspect of the present application provides a photovoltaic roofing member, comprising a plurality of photovoltaic modules according to any one of the above, and a plurality of the photovoltaic modules are arranged in an array; the frame includes a second side wall; the same photovoltaic module The second sidewalls are arranged opposite to the first sidewalls; the second sidewalls of the photovoltaic component frame are placed in the water guide grooves adjacent to the photovoltaic components in the first direction; wherein, the The first direction is consistent with the extending direction of the first side wall.

Optionally, the photovoltaic modules adjacent to each other in the second direction are connected by connecting pieces; the second direction is perpendicular to the first direction.

Optionally, the connector includes:

a support plate, disposed on the support plate adjacent to the edge portion of the photovoltaic module;

A pressing block, the pressing block comprises a concave structure and a first edge structure disposed on both sides of the opening of the concave structure; the concave structure is disposed between the adjacent photovoltaic components; the first edge structure and the The side walls of the recessed structure are connected; the first edge structure on one side of the recessed structure covers one of the photovoltaic modules, and the first edge structure on the other side of the recessed structure covers the other photovoltaic module on the component;

The bottom of the recessed structure is fixed with the support plate.

Optionally, it further includes: a waterproof cover; the waterproof cover covers the side of the pressing block away from the support plate.

Optionally, it also includes: a drainage groove; the drainage groove is installed on the purlins on the roof of the building; the photovoltaic components are arranged on the drainage groove; the drainage groove is vertically arranged with the water guiding groove; The bending directions of both ends of the bottom plate of the water guiding groove are directed toward the water drainage groove.

Optionally, the drainage groove is disposed on a side of the support plate away from the photovoltaic module, and is used for receiving water flowing out of the water guiding groove.

Optionally, the drainage trough is installed on the purlin on the roof of the building through a water trough pressing, and the water trough pressing is symmetrically arranged on both sides of the drainage trough; the water trough pressing includes: a first pressing plate, a support wall and a second pressure plate; the first pressure plate is connected with the second pressure plate through the support arm; the two sides of the opening of the drainage groove are provided with second edge structures; the first pressure plate is connected to the second pressure plate The two edge structures are fixed; the second pressing plate is fixed with the purlin.

An embodiment of the present application provides a photovoltaic assembly, comprising: a battery plate and a frame; the frame surrounds the battery plate; a water guide member is provided along a first side wall of the frame; the water guide member includes A bottom plate and a side plate, the bottom plate is connected with the first side wall, the side plate and the first side wall are arranged on both sides of the bottom plate opposite to the first side wall, and the side plate, the bottom plate and the The first side wall constitutes a water guide groove; at the positions of the two ports of the water guide groove, both ends of the bottom plate are bent in a direction away from the battery plate. In the embodiment of the present application, by arranging a water guide groove on the frame of the photovoltaic module, and bending the two ends of the bottom plate of the water guide groove, the phenomenon of rainwater hanging on the wall along the bottom surface of the horizontal water groove and flowing backward can be prevented, causing the rainwater to damage the roof and enter the room, thereby enhancing the roof of the building. waterproof function.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application. , for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

FIG. 1 is a schematic structural diagram of a photovoltaic module provided by an embodiment of the present application;

FIG. 2 is a partially enlarged structural schematic diagram of a photovoltaic module provided by an embodiment of the present application;

3 is a schematic structural diagram of a photovoltaic roof element provided in an embodiment of the present application;

4 is a partially enlarged structural schematic diagram of a photovoltaic roof element provided in an embodiment of the present application;

FIG. 5 is a partially enlarged structural schematic diagram of another photovoltaic roofing element provided in the embodiment of the present application;

FIG. 6 is a partially enlarged structural schematic diagram of still another photovoltaic roofing element provided in an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Referring to FIG. 1 , a photovoltaic assembly 10 according to an embodiment of the present application is shown. Referring to FIG. 2 , which is an enlarged view of the Q area in FIG. 1 , the photovoltaic assembly 10 includes: a battery plate 11 and a frame 12 ; the frame 12 surrounds the Around the battery plate 11; along the first side wall 121 of the frame 12, a water guiding member 13 is arranged; the water guiding member 13 includes a bottom plate 131 and a side plate 132, the bottom plate 131 and the first The side walls 121 are connected, the side plates 132 and the first side walls 121 are arranged on both sides of the bottom plate 131 opposite to each other, and the side plates 132 , the bottom plate 131 and the first side walls 121 form a guide. Water tank G; at the two port positions of the water guide tank G, both ends of the bottom plate 131 are bent in a direction away from the battery plate 11 .

In the embodiment of the present application, referring to FIG. 2 , after both ends of the bottom plate 131 are bent, drip nozzle structures 1311 are formed on the two ends of the bottom plate 131 . 5 , the water in the water guide G can flow into the drainage groove 40 through the drip nozzle structure 1311 , which can prevent the water from the water guide G from flowing back to the roof along the outer side of the bottom plate and damaging the waterproof function of the roof.

In addition, the water guiding groove G and the frame 12 are integral structures, so when the photovoltaic module 10 is moved under the action of external force, the rainwater on the solar panel 11 will not flow to the roof, but is received by the water guiding groove, which further enhances the stability of the roof. water-proof.

In the embodiment of the present application, the adhesive strip 14 is attached to the outer side of the first side wall 121 ; one side of the adhesive strip 14 is provided with a clamping structure 141 ; the first side wall 121 is provided with a clamping groove 1211 ; The opening of the engaging slot 1211 faces the outer side of the first side wall 121 ; the engaging structure 141 is embedded in the engaging slot 1211 .

In the embodiment of the present application, the photovoltaic module 10 is used to be installed on the roof of the building. In rainy days, it is usually more desirable for the rainwater to flow out of the roof along the surface of the photovoltaic module to prevent the rainwater from staying on the roof and causing the roof to leak. Therefore, , it is hoped that the rainwater seeps little or no water seeps between the photovoltaic modules 10 . Therefore, a snap groove 1211 is provided on the first side wall 11, and a snap structure 141 is provided on the rubber strip 14 to be snapped with the snap groove 1211; it can prevent the rubber strip 14 from losing its viscosity and falling off under the action of rainwater. Even if the adhesive strip 14 loses its stickiness, it will not fall off because of the snap-on effect, thereby preventing excessive rainwater from seeping into the water guide channel Q, and further enhancing the waterproof function of the roof.

In the embodiment of the present application, the shape of the cross section of the engaging groove 1211 includes: a first trapezoid, and the bottom edge of the first trapezoid faces the inner side of the first side wall 121 ; then the engaging structure 141 The shape of the cross section includes: a second trapezoid matched with the first trapezoid. Wherein, in the embodiment of the present application, the shape of the cross-section of the clamping groove may also be other shapes, as long as it can play a clamping function with the clamping structure, which is not limited herein.

Referring to FIG. 3 , it is shown that another aspect of the present application provides a photovoltaic roofing element, comprising a plurality of photovoltaic modules 10 according to any one of the above, and a plurality of the photovoltaic modules 10 are arranged in an array. Referring to FIG. 1 , the The frame 12 includes a second side wall 122 ; the second side wall 122 and the first side wall 121 in the same photovoltaic module are disposed opposite to each other; referring to FIG. 4 , a second side wall of the frame of the photovoltaic module 10 122 is placed in the water guiding groove G adjacent to the photovoltaic assembly 10 in the first direction X; wherein, the first direction X is consistent with the extending direction of the first side wall 121 .

Referring to FIG. 4 , it is an enlarged view of position A in FIG. 3 , wherein FIG. 4 shows that one photovoltaic assembly a1 is adjacent to and connected to another photovoltaic assembly a2 in the first direction X. As shown in FIG. Wherein, the second side wall a1-122 of the photovoltaic assembly a1 is disposed in the water guiding groove a2-Q of the photovoltaic assembly a2.

Referring to FIG. 4 , the rubber strip a2-14 is arranged between the two adjacent photovoltaic modules a1 and a2, which can prevent a large amount of rainwater from entering the water guide a2-Q. When rainwater penetrates between the two adjacent photovoltaic modules a1 and a2 After reaching the water guiding groove a2-Q, the water enters the drainage groove 40 through the water guiding groove, and is discharged from the roof by the water guiding groove 40 .

In the embodiment of the present application, refer to FIG. 3 and FIG. 5 , wherein FIG. 5 is an enlarged view of area B in FIG. 3 , and the photovoltaic modules 10 adjacent to each other in the second direction Y are connected by connecting pieces 20 ; The second direction Y is perpendicular to the first direction X.

In the embodiment of the present application, the connector 20 includes: a support plate 21, which is disposed on the support plate 21 adjacent to the edge of the photovoltaic module 10; a pressing block 22, the pressing block includes a concave structure 221 and The first edge structures 222 are arranged on both sides of the opening of the recessed structure 221 ; the recessed structures 221 are arranged between adjacent photovoltaic modules 10 ; the first edge structures 222 and the sidewalls of the recessed structures 221 Connection; the first edge structure 222 on one side of the recessed structure 221 covers one of the photovoltaic modules 10, and the first edge structure 222 on the other side of the recessed structure 221 covers the other photovoltaic module On the assembly 10 ; the bottom of the recessed structure 2221 is fixed to the support plate 21 .

In the embodiment of the present application, the bottom of the recessed structure 2221 and the support plate 21 are fixed by hexagonal bolts.

In the embodiment of the present application, the function of the connector 20 is to connect and fix two adjacent photovoltaic modules 10 . Wherein, the connector may also be of other structures, which are not limited herein.

In the embodiment of the present application, it further includes: a waterproof cover 30 ; the waterproof cover 30 covers the side of the pressing block 22 away from the support plate 21 . The function of the waterproof cover 30 is to prevent rainwater from infiltrating from the gap between the two adjacent photovoltaic modules 10.

In the embodiment of the present application, it further includes: a drainage groove 40; the drainage groove 40 is installed on the purlin P on the roof of the building; the photovoltaic module 10 is arranged on the drainage groove 40; the drainage groove 40 The two ends of the bottom plate of the water guiding groove Q are arranged perpendicular to the water guiding groove Q;

In the embodiment of the present application, the drainage groove 40 is disposed on the side of the support plate 21 away from the photovoltaic module 10 , for receiving the water flowing out of the water guiding groove Q. Wherein, the drainage groove 40 can receive the water flowing out of the water guiding groove Q on the one hand, and can receive the seepage water between the photovoltaic modules 10 on the other hand.

In the embodiment of the present application, referring to FIG. 6 , which is an enlarged view of the area C in FIG. 3 , the drainage groove 40 is installed on the purlin P on the roof of the building through the water groove pressing code 50 , and the water groove pressing code 50 is symmetrical are arranged on both sides of the drainage groove 40; the water groove pressing code 50 includes: a first pressing plate 51, a supporting wall 52 and a second pressing plate 53; the first pressing plate 51 is connected to the second pressing plate 51 through the supporting arm 52 The pressure plate 53 is connected; the two sides of the opening of the drainage groove 40 are provided with second edge structures 41 ; the first pressure plate 51 is fixed with the second edge structure 41 ; the second pressure plate 43 is fixed with the purlin P .

In the embodiment of the present application, the second pressing plate 53 and the purlin P are fixed by self-drilling and self-tapping screws.

In the embodiment of the present application, the function of the water tank pressing code 50 is to fix the drainage groove 40 and the purlin P of the roof. In addition, the water groove pressing code 50 can also choose other structures, which are not limited here.

An embodiment of the present application provides a photovoltaic assembly, comprising: a battery plate and a frame; the frame surrounds the battery plate; a water guide member is provided along a first side wall of the frame; the water guide member includes A bottom plate and a side plate, the bottom plate is connected with the first side wall, the side plate and the first side wall are arranged on both sides of the bottom plate opposite to the first side wall, and the side plate, the bottom plate and the The first side wall constitutes a water guide groove; at the positions of the two ports of the water guide groove, both ends of the bottom plate are bent in a direction away from the battery plate. In the embodiment of the present application, by arranging a water guide groove on the frame of the photovoltaic module and bending the two ends of the bottom plate of the water guide groove, the phenomenon of rainwater hanging on the wall along the bottom surface of the horizontal water groove and flowing backward can be prevented, causing the rainwater to damage the roof and enter the room, thereby strengthening the building. The waterproof function of the top.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the system, device and unit described above may refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection of the present application. within the range.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A photovoltaic module, characterized in that it comprises: a battery plate and a frame;

the frame surrounds the battery plate;

A water guiding member is arranged along the first side wall of the frame;

The water guiding member includes a bottom plate and a side plate, the bottom plate is connected with the first side wall, the side plate and the first side wall are arranged on both sides of the bottom plate opposite to the first side wall, and the side plate, the bottom plate and the first side wall constitute a water guide groove;

At the two port positions of the water guide groove, both ends of the bottom plate are bent in a direction away from the battery plate.
The photovoltaic module according to claim 1, wherein an adhesive strip is attached to the outer side of the first side wall; a clamping structure is provided on one side of the adhesive strip; a clamping groove is provided on the first side wall; The opening of the clamping groove faces the outer side of the first side wall; the clamping structure is embedded in the clamping groove.
The photovoltaic module according to claim 2, wherein the shape of the cross section of the snap-fit groove comprises: a first trapezoid, and the bottom edge of the first trapezoid faces the inner side of the first side wall; The shape of the cross section of the snap connection structure includes: a second trapezoid matched with the first trapezoid.
A photovoltaic roofing piece, comprising a plurality of photovoltaic modules according to any one of claims 1-3, wherein a plurality of the photovoltaic modules are arranged in an array;

The frame includes a second side wall, and the second side wall in the same photovoltaic assembly is disposed opposite to the first side wall; the second side wall of one photovoltaic assembly frame is placed on the guide of an adjacent photovoltaic assembly. in the sink.
The photovoltaic roofing element according to claim 4, wherein the adjacent photovoltaic modules are connected by connecting pieces.
The photovoltaic roofing element according to claim 5, wherein the connecting element comprises:

a support plate, disposed on the support plate adjacent to the edge portion of the photovoltaic module;

A pressing block, the pressing block comprises a concave structure and a first edge structure disposed on both sides of the opening of the concave structure; the concave structure is disposed between the adjacent photovoltaic components; the first edge structure and the The side walls of the recessed structure are connected; the first edge structure on one side of the recessed structure covers one of the photovoltaic modules, and the first edge structure on the other side of the recessed structure covers the other photovoltaic module on the component;

The bottom of the recessed structure is fixed with the support plate.
The photovoltaic roofing piece according to claim 6, further comprising: a waterproof cover; the waterproof cover covers a side of the pressing block away from the support plate.
The photovoltaic roofing element according to claim 6, further comprising: a drainage groove; the drainage groove is installed on the purlin of the roof of the building; the photovoltaic component is arranged on the drainage groove; the The drainage groove is vertically arranged with the water guiding groove; the bending directions of both ends of the bottom plate of the water guiding groove face the water drainage groove.
The photovoltaic roofing element according to claim 8, wherein the drainage groove is arranged on a side of the support plate away from the photovoltaic module, and is used for receiving the water flowing out of the water guiding groove.
The photovoltaic roofing piece according to claim 8, wherein the drainage groove is installed on the purlin on the roof of the building by a water groove pressing code, and the water groove pressing code is symmetrically arranged on both sides of the drainage groove; The water tank pressing code includes: a first pressing plate, a supporting wall and a second pressing plate; the first pressing plate is connected with the second pressing plate through the supporting arm; the two sides of the opening of the drainage groove are provided with second edges structure; the first pressing plate is fixed to the second edge structure; the second pressing plate is fixed to the purlin.