CN216290803U

CN216290803U - Component frame for distributed photovoltaic power generation system and elastic photovoltaic array system

Info

Publication number: CN216290803U
Application number: CN202122596813.XU
Authority: CN
Inventors: 郑毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-12
Anticipated expiration: 2031-10-27

Abstract

The invention relates to the field of photovoltaics, in particular to a component frame and an elastic photovoltaic array system for a distributed photovoltaic power generation system, wherein the component frame can be integrated into a whole and has dual purposes, and is simultaneously and flexibly suitable for BAPV and BIPV two photovoltaic power generation systems. The elastic photovoltaic array structure system disclosed by the invention is rigid and flexible, can adapt to environmental temperature change and material deformation caused by heating of a photovoltaic power generation system, ensures the stability, reliability and safety of the system, and prolongs the service life.

Description

Component frame for distributed photovoltaic power generation system and elastic photovoltaic array system

Technical Field

The invention relates to the field of photovoltaics, in particular to a BAPV and BIPV photovoltaic system, and more particularly relates to a component frame and an elastic photovoltaic array system for a distributed photovoltaic power generation system.

Background

The distributed photovoltaic power generation system is a power generation system built by using photovoltaic modules, and not only can be automatically used at an installation user side, but also can be used for surfing the internet with redundant electric quantity by directly converting solar energy into electric energy, so that the effect of balance adjustment in a matched power system is realized.

The distributed photovoltaic power generation system which is most widely applied at present is built on the roof of an urban building. They are mainly classified into BAPV and BIPV according to their functions. The BAPV photovoltaic system mainly refers to a solar photovoltaic power generation system attached to a building, and the BIPV refers to building-integrated photovoltaic, i.e. a photovoltaic module for solar power generation is integrated on the building to form a part of the building and has certain building functions.

The component frame is an important part formed by the distributed photovoltaic power generation system. The edges of the solar cell laminate are received in the notches of the module frame and are mounted on the support by the module frame. The component frame provides significant strength support and sealing support for the overall system.

Most photovoltaic materials are combined with the frame to form a photovoltaic assembly when in use, and then are combined to form a photovoltaic power generation system, and the structure of the frame can influence the strength, the sealing performance, the installation mode, the system integration mode and the realization of other functions of the whole distributed photovoltaic power generation system array system to a great extent.

Therefore, the structure and processing material selection of the photovoltaic module frame are always the hot spots of research by those skilled in the art. The research of the invention focuses on the structural optimization of the photovoltaic module frame, so that the module frame disclosed by the invention can be processed by various materials along with the continuous optimization of processing and material selection, and is not limited to aluminum alloy and other metal materials in the prior art or non-metal materials meeting the performance requirements of the module frame.

Disclosure of Invention

The invention mainly aims to provide a novel component frame which can be widely and flexibly applied to various application environments and requirements aiming at a distributed photovoltaic power generation system, so that the installation difficulty and the system cost can be reduced, the adaptability of the component frame is improved, and the strength support and the sealing support of the photovoltaic array system of the distributed power generation system by the component frame are improved.

In order to solve the technical problem, the invention discloses a component frame for a distributed photovoltaic power generation system, and an elastic photovoltaic array system is formed on the basis of the component frame for the distributed photovoltaic power generation system.

The invention discloses a component frame for a distributed photovoltaic power generation system, which comprises an upper supporting plate, a lower supporting plate, a bending plate and a clamping edge fixture block, wherein a reinforcing rib is formed between the upper supporting plate and the lower supporting plate, the horizontal plane of the bending plate and the upper supporting plate form a solar cell panel accommodating groove, the clamping edge fixture block is vertically arranged at the edge of the upper supporting plate, a cover plate installing groove is formed by the clamping edge fixture block, the cover plate installing groove is formed by the clamping edge fixture block and the vertical plane of the upper supporting plate and the bending plate, and the edge of the lower supporting plate at the same side as the clamping edge fixture block extends outwards to form a flash.

Further preferably, the lower part of the inner side surface of the edge clamping fixture block is inwards recessed to form a cover plate installation groove with the lower part expanded and the upper part contracted.

In a preferred technical scheme, a plurality of parallel water locking grooves are formed on the side wall of one side of the cover plate installation groove on the vertical surface of the bending plate.

Further preferably, three parallel water locking grooves are formed on the side wall of one side of the cover plate installation groove on the vertical surface of the bent plate.

Further preferably, the water locking groove is a rectangular groove or an arc groove.

As a preferred technical scheme, the edge of one side of the clamping edge clamping block close to the cover plate mounting groove protrudes upwards to form a waterproof boss.

Meanwhile, based on the assembly frame of the distributed photovoltaic power generation system, the invention also discloses an elastic photovoltaic array system which comprises a solar cell panel, the assembly frame used for the distributed photovoltaic power generation system and an elastic cover plate, wherein the solar cell panel is contained in a solar cell panel containing groove of the assembly frame, the flashes of two adjacent assembly frames form an electric cable wiring groove through limiting action, and two sides of the elastic cover plate are respectively buckled in cover plate installing grooves of the adjacent assembly frames and used for shielding the electric cable wiring groove.

The elastic photovoltaic array structure is mainly used for a BIPV (building integrated photovoltaic) system, and in addition, the invention also discloses an elastic photovoltaic array structure of a distributed photovoltaic power generation system, wherein the assembly frame of the distributed photovoltaic power generation system is applied to a BAPV photovoltaic system, the elastic photovoltaic array structure comprises a solar cell panel, an assembly frame used for the distributed photovoltaic power generation system and a dustproof adhesive tape, the solar cell panel is accommodated in a solar cell panel accommodating groove of the assembly frame, the flashes of two adjacent assembly frames form an electric cable wiring groove through limiting action, and the dustproof adhesive tape is clamped in a cover plate installing groove of the assembly frame and used for protecting the cover plate installing groove.

It should be noted that, in practical applications, when the flexible photovoltaic array system is combined with a wall surface or a roof, the flexible photovoltaic array system can be combined and fixed by using the existing fixing technology according to practical situations, regardless of the BIPV photovoltaic system or the BAPV photovoltaic system. For example, in connection with the roof or ceiling of a building (structure), the connection may be achieved by fixing with the upper platform of a fixture or pedestal by means of a fixing fixture or pedestal; when the wall surface is combined, the wall surface can be directly combined with the keel of the wall surface or the keel attached to the wall surface by utilizing fixing modes such as screws and the like. When the connecting piece is combined, holes for the fixing pieces to pass through can be formed in the connecting pieces such as the flash or the pressing block according to needs. Such adaptations at installation are intended to be within the scope of the present disclosure.

Specifically, for example, when the solar module is combined with a roof or a ceiling of a building (structure), the solar cell panel is accommodated in a solar cell panel accommodating groove of a module frame, the flashes of two adjacent module frames fix the module on a support (or a support) through the fixing and limiting effects of the pressing block, the support (or the support) and the bolt which are jointly combined, and form an electric cable routing groove, the pressing block is arranged in the electric cable routing groove, the bottom surface of the pressing block is respectively attached to the upper surfaces of the flashes of the two adjacent module frames, and the width of the pressing block is matched with the electric cable routing groove. The two sides of the elastic cover plate are respectively buckled in the cover plate mounting grooves of the adjacent component frames and used for shielding the electric cable wiring grooves, and when the electric cables are protected, the BIPV system with the overall waterproof and sunshade functions is further formed. When adopting dustproof adhesive tape to replace elastic cover, dustproof adhesive tape card is in the apron mounting groove of subassembly frame for the protection apron mounting groove to prevent laying dust ponding, and then form the BAPV system that has the sunshade function.

The installation mode of the elastic cover plate and the dustproof rubber strip in the cover plate installation groove is completely consistent, the elastic cover plate and the dustproof rubber strip can be dismounted and replaced without damage, and the elastic cover plate and the dustproof rubber strip are replaced with each other, so that flexible conversion between BIPV and BAPV system modes is achieved on the basis of an integrated dual-purpose function.

It should be noted that, the elastic cover plate or the dustproof rubber strip is a structure made of a material with a certain elastic compression amount, and can also be made of a metal or non-metal material and a material with a certain elastic compression amount. Such adaptations when combined with different types of cover plates are still included within the scope of the present disclosure.

The fins mainly provide support for accurate control of the installation distance through mutual limiting effect in the process of forming the elastic photovoltaic array system, the limiting effect is not limited to the limiting effect formed by two parallel linear edges, and the wavy edge, the zigzag edge or other acceptable edges which do not influence the limiting effect can be used.

After the technical scheme disclosed by the invention is adopted, the rigid-flexible elastic photovoltaic array system is provided, and can adapt to material deformation caused by environmental temperature change and heating of a photovoltaic power generation system, so that the stability, reliability and safety of the whole system are ensured, and the service life is prolonged. Meanwhile, the structure disclosed by the invention only needs to adjust the elastic cover plate and the dustproof rubber strip when different photovoltaic power generation systems are formed, so that the photovoltaic power generation systems can be flexibly changed, and the integrated dual-purpose effect is realized. According to the preferred technical scheme disclosed by the invention, the airtightness of the whole structure can be further effectively improved through the water locking groove and the waterproof boss, the waterproof function of the whole system is improved, and the protection effect of the elastic cover plate on the electric cable wiring groove is improved. In addition, the technical scheme disclosed by the invention can be used for assembling and fixing the solar cell panel and can also be used for common plate-shaped building materials, so that when the technical scheme disclosed by the invention is applied to an outer wall, a roof or a ceiling of a building (structure), the original solar cell panel is completely or partially replaced by common building materials, the capacity of the photovoltaic array power generation system and the system composition can be flexibly adjusted, and the installation flexibility and the application range of the photovoltaic power generation system are improved. Moreover, the technical scheme disclosed by the invention can be used for application scenes of ground photovoltaic power stations, water surface photovoltaic power stations and the like by combining with different supporting members, so that the application range of the photovoltaic power generation system is greatly expanded.

Drawings

Fig. 1 is a block diagram of components for a distributed photovoltaic power generation system.

Fig. 2 is a schematic view of the junction of the flexible photovoltaic array system under the BIPV system.

FIG. 3 is a schematic view of the junction of the flexible photovoltaic array system under the BAPV system.

Detailed Description

In order that the invention may be better understood, we now provide further explanation of the invention with reference to specific examples.

Example 1

The module frame for the distributed photovoltaic power generation system shown in fig. 1 includes an upper support plate 1 and a lower support plate 2, where reinforcing ribs 3 are formed between the upper support plate 1 and the lower support plate 2, as can be seen from fig. 1, there are two reinforcing ribs here, but it should be noted that, in this embodiment, the reinforcing ribs are only illustrated, but are not limited to be only illustrated structures, for example, in the prior art, there are reinforcing rib structures such as "S-shaped" and the like, and both can be directly sleeved on the structure of the present invention, and at the same time, one or two reinforcing ribs pulled out diagonally can be added, and both of these are reinforcing rib structures in the prior art, and both can be sleeved on the structure of the present invention; returning to fig. 1, it can be seen that the module frame for the distributed photovoltaic power generation system further includes a bending plate 4 in this embodiment, the horizontal plane (4-a surface) of the bending plate and the upper supporting plate form a solar cell panel accommodating groove 5, and further includes a card edge fixture block 6, the card edge fixture block 6 is vertically disposed at the edge of the upper supporting plate 1, and forms a cover plate installation groove 7 with the vertical plane (4-B surface) of the upper supporting plate 1 and the bending plate, and the lower supporting plate edge at the same side as the card edge fixture block extends outwards to form a flash 8.

In the present embodiment, it is further preferable that the lower portion of the inner side surface of the edge-clipping block 6 as shown in fig. 1 is recessed inward to form a cover plate installation groove 7 with a lower portion being enlarged and an upper portion being contracted.

Further, in the present embodiment, as can be seen from fig. 1, a plurality of parallel water locking grooves 9 are formed on the side wall of the bending plate on one side of the vertical plane cover plate installation groove. As shown in fig. 1, the lock water groove 9 is provided with three and is a rectangular groove in the present embodiment.

Further preferably, the edge of one side of the edge clamping fixture block close to the cover plate installation groove protrudes upwards to form a waterproof boss 10.

When the structure is applied to a BIPV photovoltaic power generation system, the formed elastic photovoltaic array system comprises a solar cell panel 11, a component frame 12 for a distributed photovoltaic power generation system, an elastic cover plate 13, a pressing block 15 and a support 16, wherein the solar cell panel 11 is accommodated in a solar cell panel accommodating groove of the component frame, the flashes of two adjacent component frames fix the components on the support 16 through the fixing and limiting effects of the combination of the pressing block 15, the support 16 and a bolt 17, and form an electric cable wiring groove 14, the pressing block is arranged in the electric cable wiring groove 14, the bottom surfaces of the pressing block are respectively attached to the upper surfaces of the flashes of the two adjacent component frames, and the width of the pressing block is matched with the electric cable wiring groove 14. The two sides of the elastic cover plate 13 are respectively buckled in the cover plate mounting grooves of the adjacent component frames and used for shielding the electric cable wiring grooves, so that the BIPV system with the overall waterproof and sunshade functions is formed while the electric cables are protected.

When the structure is applied to a BAPV photovoltaic power generation system, the elastic photovoltaic array system includes a solar cell panel 11, a component frame 12 for a distributed photovoltaic power generation system, a dustproof rubber strip 18, a pressing block 15 and a support 16, the solar cell panel 11 is accommodated in the solar cell panel accommodating groove of the component frame, the flashes of two adjacent component frames fix the components on the support 16 through the fixing and limiting effects of the pressing block 15, the support 16 and a bolt 17 which are jointly combined, and form an electrical cable routing groove 14, the pressing block is arranged in the electrical cable routing groove 14, the bottom surfaces of the pressing block are respectively attached to the upper surfaces of the flashes of the two adjacent component frames, and the width of the pressing block is matched with the electrical cable routing groove 14. The dustproof rubber strip 18 is clamped in a cover plate mounting groove of the assembly frame and used for protecting the cover plate mounting groove to prevent accumulated dust and water, and further a BAPV system with a sun-shading function is formed.

It can be seen that because the structure does not need materials such as metal guide rails when being installed, the non-electrical cost of the system can be greatly reduced, and meanwhile, the limit effect of the flash structure on the whole structure can provide accurate limit control for the installation distance. The roof, ceiling or wall of a building can be assembled by different combined fixing pieces, so that the applicability of the structure can be greatly improved, and the production cost of changing accessories due to different use environments can be saved. Meanwhile, in the conversion of the BIPV and BAPV two photovoltaic power generation systems, only the elastic cover plate and the dustproof rubber strip need to be replaced, so that the conversion of different systems can be flexibly realized. The elastic cover plate and the component frame are flexible and rigid, so that an integral structure system with rigidity and flexibility is formed, and the material deformation caused by the environmental temperature change and the heating of the photovoltaic power generation system can be adapted, so that the stability, reliability and safety of the whole system are ensured, and the service life is prolonged; in addition, each part of the structure system can be disassembled and replaced without damage, and the waste and the loss of materials are avoided while the operation and maintenance convenience is improved.

What has been described above is a specific embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. A subassembly frame for distributed photovoltaic power generation system which characterized in that: including last backup pad, bottom suspension fagging, it has the strengthening rib to take shape between backup pad and the bottom suspension fagging, still including the board of buckling, the horizontal plane of board of buckling forms the solar cell panel holding tank with last backup pad, still including card limit fixture block, card limit fixture block sets up perpendicularly in the edge of last backup pad to form the apron mounting groove with the perpendicular of last backup pad, the board of buckling, outwards extend with the bottom suspension fagging edge of card limit fixture block homonymy and form the overlap.

2. The component bezel for a distributed photovoltaic power generation system of claim 1, wherein: the lower part of the inner side surface of the edge clamping fixture block is inwards sunken to form a cover plate mounting groove with the lower part expanded and the upper part contracted.

3. The component surround for a distributed photovoltaic power generation system of claim 1 or 2, characterized in that: the side wall of one side of the cover plate mounting groove on the vertical surface of the bending plate is provided with a plurality of parallel water locking grooves.

4. The component bezel for a distributed photovoltaic power generation system of claim 3, wherein: the water locking groove is a rectangular groove.

5. The component bezel for a distributed photovoltaic power generation system of claim 1, wherein: the edge of the clamping edge fixture block close to one side of the cover plate mounting groove protrudes upwards to form a waterproof boss.

6. An elastic photovoltaic array system, comprising: the component frame for the distributed photovoltaic power generation system comprises a solar cell panel and the component frame for the distributed photovoltaic power generation system, and an elastic cover plate, wherein the solar cell panel is accommodated in a solar cell panel accommodating groove of the component frame, the flanges of two adjacent component frames form an electric cable wiring groove through limiting action, and two sides of the elastic cover plate are respectively buckled in cover plate installing grooves of the adjacent component frames and used for shielding the electric cable wiring groove.

7. The flexible photovoltaic array system of claim 6, wherein: still including the briquetting, the briquetting sets up in the electric cable trough, and its bottom surface is laminated with the overlap of two adjacent subassembly frames respectively, and the briquetting width matches with the electric cable trough.

8. An elastic photovoltaic array system, comprising: the assembly frame for the distributed photovoltaic power generation system comprises a solar cell panel and the assembly frame for the distributed photovoltaic power generation system as claimed in any one of claims 1 to 5, and a dustproof adhesive tape, wherein the solar cell panel is accommodated in a solar cell panel accommodating groove of the assembly frame, the flanges of two adjacent assembly frames form an electric cable wiring groove through limiting action, and the dustproof adhesive tape is clamped in a cover plate installing groove of the assembly frame and used for protecting the cover plate installing groove.

9. The flexible photovoltaic array system of claim 8, wherein: still including the briquetting, the briquetting sets up in the electric cable trough, and its bottom surface is laminated with the overlap of two adjacent subassembly frames respectively, and the briquetting width matches with the electric cable trough.