CN219697545U

CN219697545U - Photovoltaic stretch-draw membrane structure

Info

Publication number: CN219697545U
Application number: CN202321259594.9U
Authority: CN
Inventors: 王红生; 李炜
Original assignee: Shanghai Zhongming Construction Development Co ltd
Current assignee: Shanghai Zhongming Construction Development Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-09-15
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the technical field of stretch-draw film structures, in particular to a photovoltaic stretch-draw film structure, which comprises a support keel, a stretch-draw film, a connecting piece and a fixing component, wherein one end of the connecting piece is connected with the support keel, the other end of the connecting piece extends towards the direction deviating from the support keel, the fixing component is used for fixing the stretch-draw film on the connecting piece, the stretch-draw film comprises a first film layer, a photovoltaic film layer and a second film layer, and the photovoltaic film layer is clamped between the first film layer and the second film layer. By integrating the photovoltaic film layer in the stretch-draw film, the advantage of the stretch-draw film is maintained, and meanwhile sunlight irradiated on the stretch-draw film can be directly converted into electric energy for power generation. And adopt and be similar to "sandwich" design with photovoltaic rete clamp locate between first rete and the second rete, not only guaranteed the installation firm of photovoltaic rete, also avoided the photovoltaic rete to expose directly in the air simultaneously and receive external corruption and damage, prolonged its life.

Description

Photovoltaic stretch-draw membrane structure

Technical Field

The utility model relates to the technical field of stretch-draw film structures, in particular to a photovoltaic stretch-draw film structure.

Background

The stretching membrane structure is formed by stretching a membrane material on the structure through a guy cable, and can be also called as a stretching cable membrane structure, and is a structural system formed by a stable space hyperbolic stretching membrane surface, a supporting mast system, a supporting cable, an edge cable and the like.

Solar energy is an optimal clean energy source which is known to be available for human beings at present, is an important new energy source in the field of domestic new energy development, along with the gradual development of distributed photovoltaic in densely populated areas such as towns and the like, the technical level of photovoltaic construction is continuously improved, the application of thin film solar cells such as amorphous silicon, cadmium telluride/cadmium sulfide, copper Indium Gallium Selenide (CIGS) and the like is gradually matured, and a series of photovoltaic construction integrated products which combine solar photovoltaic cells with construction member materials, including photovoltaic roofs, photovoltaic glass, photovoltaic curtain walls, photovoltaic tiles and the like are gradually developed.

However, the solar photovoltaic and building integrated technology is still in a starting stage, and particularly, the application of the integrated technology in a large-span structure building is very few, and how to realize the combined application of photovoltaic power generation and a stretch film is one of research directions in the field of building curtain walls.

Disclosure of Invention

The utility model aims to provide a photovoltaic stretch-draw film structure, which realizes the combined application of photovoltaic power generation and a stretch-draw film.

In order to achieve the above purpose, the utility model provides a photovoltaic stretch-draw membrane structure, which comprises a support keel, a stretch-draw membrane, a connecting piece and a fixing component, wherein one end of the connecting piece is connected with the support keel, the other end of the connecting piece extends towards the direction deviating from the support keel, the fixing component is used for fixing the stretch-draw membrane on the connecting piece, the stretch-draw membrane comprises a first membrane layer, a photovoltaic membrane layer and a second membrane layer, and the photovoltaic membrane layer is clamped between the first membrane layer and the second membrane layer.

Optionally, the first film layer, the photovoltaic film layer and the second film layer are adhered and fixed.

Optionally, the outer edge of the first film layer and the outer edge of the second film layer exceed the outer edge of the photovoltaic film layer, and the outer edge of the first film layer and the outer edge of the second film layer are fixed in an adhesive manner.

Optionally, the fixing component comprises a pressing plate and a fastener, and the outer edge of the tensioning film is located between the pressing plate and the connecting piece and is fixedly connected through the fastener.

Optionally, the fixing assembly further comprises a cushion block, the cushion block is arranged on the pressing plate, the fastening piece comprises a bolt and a nut, and the bolt sequentially penetrates through the connecting piece, the tensioning membrane, the pressing plate and the cushion block and then is locked and fixed through the nut.

Optionally, the outer edge of the first film layer and the outer edge of the second film layer exceed the outer edge of the photovoltaic film layer, and the outer edge of the first film layer and the outer edge of the second film layer are correspondingly provided with through holes for the bolts to pass through.

Optionally, the clamp plate is L shape, the one end of cushion with the lateral wall butt of clamp plate, the lower surface of cushion with the upper surface butt of clamp plate.

Optionally, the connecting piece includes mounting panel and stiffening plate, the mounting panel with support fossil fragments mutually perpendicular and welded fastening, the stiffening plate respectively with the mounting panel with the surface welded fastening of support fossil fragments.

Optionally, the materials of the first film layer and the second film layer are tetrafluoroethylene.

Optionally, the support keel is further provided with an energy storage device, and the energy storage device is connected with the connector lug of the photovoltaic film layer through an electric wire.

In the photovoltaic stretch-draw film structure provided by the utility model, the photovoltaic film layer is integrated in the stretch-draw film, so that the advantages of the stretch-draw film such as attractive appearance, environmental friendliness and light transmittance are maintained, and meanwhile, sunlight irradiated on the stretch-draw film can be directly converted into electric energy, so that the photovoltaic stretch-draw film structure can be used for power generation. And adopt and be similar to "sandwich" design through locating photovoltaic rete clamp between first rete and the second rete, not only guaranteed the installation firm of photovoltaic rete, also avoided the photovoltaic rete to expose directly in the air simultaneously and receive external corruption and damage to prolong its life.

Drawings

Those of ordinary skill in the art will appreciate that the figures are provided for a better understanding of the present utility model and do not constitute any limitation on the scope of the present utility model. Wherein:

FIG. 1 is a schematic view of a photovoltaic stretched film structure according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a stretch-film according to an embodiment of the present utility model.

In the accompanying drawings:

1-supporting keels; 2-stretching the membrane; 21-a first film layer; 22-a second film layer; 23-a photovoltaic film layer; 3-connectors; 31-mounting plate; 32-stiffening plates; 4-pressing plates; 5-fastening; 6-cushion blocks; 7-energy storage device.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the utility model more apparent. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model. For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure for the understanding and reading of the present disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, and any structural modifications, proportional changes, or dimensional adjustments, which may be made by the present disclosure, should fall within the scope of the present disclosure under the same or similar circumstances as the effects and objectives attained by the present utility model.

As used in this disclosure, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in its sense including "two or more", unless the content clearly dictates otherwise. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third" may include one or at least two such features, either explicitly or implicitly.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, fig. 1 is a schematic view of a photovoltaic stretch-film structure according to an embodiment of the present utility model, and fig. 2 is a schematic view of a stretch-film according to an embodiment of the present utility model. The embodiment provides a photovoltaic stretch-draw membrane structure, including supporting fossil fragments 1, stretch-draw membrane 2, connecting piece 3 and fixed subassembly, the one end of connecting piece 3 is connected with supporting fossil fragments 1, and the other end extends towards the direction that deviates from supporting fossil fragments 1, and fixed subassembly is used for fixing stretch-draw membrane 2 on connecting piece 3, and stretch-draw membrane 2 includes first rete 21, photovoltaic rete 23 and second rete 22, and photovoltaic rete 23 presss from both sides and locates between first rete 21 and the second rete 22.

By integrating the photovoltaic film layer 23 in the tension film 2, the advantages of the tension film 2 such as attractive appearance, environmental protection, light transmittance and the like are maintained, and meanwhile, sunlight irradiated on the tension film 2 can be directly converted into electric energy for power generation. And, adopt and similar to "sandwich" design through locating photovoltaic rete 23 clamp between first rete 21 and the second rete 22, not only guaranteed that photovoltaic rete 23 installs firmly, also avoided photovoltaic rete 23 to expose directly in the air and receive external corruption and damage simultaneously to prolong its life.

The first film layer 21, the photovoltaic film layer 23 and the second film layer 22 are adhered and fixed. For example, the first film layer 21, the photovoltaic film layer 23, and the second film layer 22 may be fixed together by high temperature adhesion.

Alternatively, the outer edges of the first film layer 21 and the second film layer 22 exceed the outer edges of the photovoltaic film layer 23, and the outer edges of the first film layer 21 and the second film layer 22 are adhesively fixed. The dimensions of the first film layer 21 and the second film layer 22 are larger than those of the photovoltaic film layer 23, and the photovoltaic film layer 23 can be wrapped only by bonding and fixing the outer edges of the first film layer 21 and the second film layer 22.

Preferably, the first film layer 21 and the second film layer 22 are made of tetrafluoroethylene. The photovoltaic film layer 23 includes, but is not limited to, silicon-based thin film solar cells, copper indium gallium selenide thin film solar Cells (CIGS), cadmium telluride thin film solar cells (CdTe).

With continued reference to fig. 1, the fixing assembly includes a pressing plate 4 and a fastening member 5, and the outer edge of the tension membrane 2 is located between the pressing plate 4 and the connecting member 3 and is connected and fixed by the fastening member 5. The contact area of the pressing plate 4 and the tension film 2 is increased, so that the installation firmness of the tension film 2 is improved.

Further, the fixing assembly further comprises a cushion block 6, the cushion block 6 is arranged on the pressing plate 4, the fastening piece 5 comprises a bolt and a nut, and the bolt sequentially penetrates through the connecting piece 3, the tensioning membrane 2, the pressing plate 4 and the cushion block 6 and is locked and fixed through the nut. The cushion block 6 can be used for positioning the installation of bolts and nuts and plays a certain role in fastening.

Further, the outer edge of the first film layer 21 and the outer edge of the second film layer 22 exceed the outer edge of the photovoltaic film layer 23, and the outer edge of the first film layer 21 and the outer edge of the second film layer 22 are correspondingly provided with through holes for bolts to pass through. By only correspondingly opening holes on the outer edges of the first film layer 21 and the second film layer 22, the holes on the photovoltaic film layer 23 can be avoided, so that damage to the photovoltaic film layer 23 can be avoided, and meanwhile, the installation firmness of the photovoltaic film layer 23 can be ensured.

It should be understood that the first film 21, the photovoltaic film 23 and the second film 22 may be bonded by high-temperature bonding and then fixed by bolts, or the first film 21, the photovoltaic film 23 and the second film 22 that are not bonded by high-temperature may be directly fixed on the connecting piece 3 by bolts.

Preferably, the pressing plate 4 is L-shaped, one end of the cushion block 6 is abutted against the side wall of the pressing plate 4, and the lower surface of the cushion block 6 is abutted against the upper surface of the pressing plate 4. By designing the platen 4 in an L-shape, it is easy to align the spacer 6 with the through-hole in the platen 4.

Preferably, the pressing plate 4, the cushion block 6, the bolt and the nut are all made of stainless steel.

With continued reference to fig. 1, the connector 3 includes a mounting plate 31 and a stiffening plate 32, the mounting plate 31 is perpendicular to the supporting keel 1 and is welded and fixed, and the stiffening plate 32 is welded and fixed to the outer surfaces of the mounting plate 31 and the supporting keel 1 respectively. The mounting plate 31 is mainly used for fixing the tensioning membrane 2, and the stiffening plate 32 can increase the connection strength and rigidity of the mounting plate 31 and the support keel 1.

In this embodiment, the support keel 1 is further provided with an energy storage device 7, and the energy storage device 7 is connected with the connector lug of the photovoltaic film layer 23 through an electric wire. The energy storage means 7 comprise, for example, a battery, to which the utility model is not limited.

In summary, the embodiment of the utility model provides a photovoltaic stretch-film structure, by integrating the photovoltaic film layer 23 in the stretch-film 2, the advantages of the stretch-film 2 such as attractive appearance, environmental protection and light transmittance are maintained, and meanwhile, sunlight irradiated on the stretch-film 2 can be directly converted into electric energy, so that the structure can be used for power generation. And, adopt and similar to "sandwich" design through locating photovoltaic rete 23 clamp between first rete 21 and the second rete 22, not only guaranteed that photovoltaic rete 23 installs firmly, also avoided photovoltaic rete 23 to expose directly in the air and receive external corruption and damage simultaneously to prolong its life.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the present utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, the present utility model is intended to include such modifications and alterations insofar as they come within the scope of the utility model or the equivalents thereof.

Claims

1. The utility model provides a photovoltaic stretch-draw membrane structure, its characterized in that, including supporting fossil fragments, stretch-draw membrane, connecting piece and fixed subassembly, the one end of connecting piece with support fossil fragments and be connected, the other end orientation deviates from support fossil fragments's direction extends, fixed subassembly is used for with stretch-draw membrane is fixed on the connecting piece, the stretch-draw membrane includes first rete, photovoltaic rete and second rete, the photovoltaic rete clamp is located first rete with between the second rete.

2. The photovoltaic stretch-film structure of claim 1, wherein the first film layer, the photovoltaic film layer, and the second film layer are adhesively secured.

3. The photovoltaic stretched film structure of claim 1, wherein the outer edges of the first and second film layers are beyond the outer edges of the photovoltaic film layers, and the outer edges of the first and second film layers are adhesively secured.

4. A photovoltaic stretch-film structure according to any one of claims 1 to 3, wherein the securing assembly comprises a pressure plate and a fastener, the outer edge of the stretch-film being located between the pressure plate and the connector and being secured by the fastener connection.

5. The photovoltaic tensioned membrane structure of claim 4 wherein the securing assembly further comprises a spacer block disposed on the pressure plate, the fastener comprises a bolt and a nut, the bolt passing through the connector, the tensioned membrane, the pressure plate, and the spacer block in sequence and then secured by the nut.

6. The photovoltaic stretched film structure according to claim 5, wherein the outer edge of the first film layer and the outer edge of the second film layer exceed the outer edge of the photovoltaic film layer, and the outer edge of the first film layer and the outer edge of the second film layer are correspondingly provided with through holes through which the bolts pass.

7. The photovoltaic stretch-draw film structure of claim 5, wherein the pressure plate is L-shaped, one end of the spacer is in abutment with a sidewall of the pressure plate, and a lower surface of the spacer is in abutment with an upper surface of the pressure plate.

8. The photovoltaic tension membrane structure of claim 1, wherein the connector comprises a mounting plate and a stiffening plate, the mounting plate is perpendicular to the support keel and is welded and fixed, and the stiffening plate is welded and fixed with the outer surfaces of the mounting plate and the support keel respectively.

9. The photovoltaic stretched film structure according to claim 1, wherein the material of the first film layer and the second film layer is tetrafluoroethylene.

10. The photovoltaic stretch-draw membrane structure of claim 1, wherein the support keel is further provided with an energy storage device, the energy storage device being connected to the connector lug of the photovoltaic membrane layer by an electrical wire.