CN220775752U

CN220775752U - Photovoltaic power generation equipment, mounting device thereof and frame

Info

Publication number: CN220775752U
Application number: CN202322529614.6U
Authority: CN
Inventors: 刘俊; 王禹; 王乐
Original assignee: Trina Solar Co Ltd
Current assignee: Trina Solar Co Ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-12
Anticipated expiration: 2033-09-18

Abstract

The utility model provides a photovoltaic power generation equipment installation device, frame, the laminating piece that the frame is used for fixed photovoltaic power generation equipment to link to each other with photovoltaic power generation equipment's body, including frame body and connecting portion group, connecting portion group include two at least connecting portions, and each connecting portion all sets up in the frame body be close to body one side, and the interval distribution in the width direction of frame body; each connecting part is used for being connected with a connecting structure on the floating body. The frame body sets up two at least connecting portions in width direction, and each connecting portion all links to each other with connection structure on the body, and two adjacent connecting portions can form closed structure with connection structure, frame body surrounding. The closed structure can improve the rigidity of the connecting part, further improve the strength of the connecting part of the frame and the connecting structure, and be favorable for resisting various load actions in offshore environment.

Description

Photovoltaic power generation equipment, mounting device thereof and frame

Technical Field

The application relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation equipment installation device and a frame.

Background

Ocean photovoltaic power generation is one of the important development directions of the photovoltaic industry. The ocean photovoltaic power generation is free from the restriction of land resources, can be combined with ocean wind power, and can be developed in a coordinated manner with industries such as aquaculture industry, tourism industry and the like. Under the same sunlight condition, the ocean photovoltaic power generation efficiency is higher than that of the ground photovoltaic.

The ocean photovoltaic power generation needs to face the load actions of sea waves, ocean currents, sea ice, typhoons and the like, and higher requirements are put on the mechanical properties of the photovoltaic module and the connecting device of the photovoltaic module and the floating body. And the operation and maintenance difficulties of offshore construction are great. The prior assembly frame structure and assembly installation connecting piece are mainly applied to the traditional photovoltaic project of the ground power station, and the capability of bearing stress cannot meet the requirement of offshore photovoltaic power generation.

Therefore, how to improve the mechanical properties of the mounting device is a technical problem that the skilled person is urgent to solve.

Disclosure of Invention

The utility model provides a technical problem that exists among the prior art is solved at least to this application, puts forward a photovoltaic power generation equipment installation device, frame, and it can improve installation device's mechanical strength.

For the purpose of this application, a frame is provided for fixing a laminate of a photovoltaic power plant and connected to a float of the photovoltaic power plant,

the floating body comprises a frame body and a connecting part group, wherein the connecting part group comprises at least two connecting parts, and each connecting part is arranged on one side of the frame body, which is close to the floating body, and is distributed at intervals in the width direction of the frame body; each connecting part is used for being connected with a connecting structure on the floating body.

In some embodiments, a plurality of the connection portion groups are distributed in the length direction of the frame body.

The application also provides a mounting device, including body, connection structure and the frame of above-mentioned arbitrary one, connection structure with one side fixed connection that the surface of water was kept away from to the body, the frame pass through connecting portion group with connection structure links to each other.

In some embodiments, a connection structure is provided on a side of the floating body away from the water surface, and the connection structure is fixedly connected with each connection part in the connection part group.

In some embodiments, the connection structure includes at least one set of connection members, each set of connection members including two connection members, two connection members in each set of connection members being disposed opposite to each other in a width direction of the frame body; each connecting piece is fixedly connected with the floating body;

the mounting device further comprises first fasteners, at least one first fastener is correspondingly arranged on each connecting piece group, and the first fasteners fasten two corresponding connecting pieces in the connecting piece groups and two connecting parts respectively adjacent to the two connecting pieces along the width direction of the frame body.

In some embodiments, each connecting piece comprises a first connecting plate and a second connecting plate which form an included angle, the first connecting plate is overlapped on the surface of one side of the floating body far away from the water surface and is fixedly connected with the floating body, and the second connecting plate is overlapped on the surface of the adjacent connecting part.

In some embodiments, the connection structure further includes a support column, the lower end of the support column is fixedly connected with the floating body, the upper end of the support column has a support surface, each connection part in the same connection part group is attached to the support surface, a connection protrusion is arranged on the support surface, and the connection protrusion can penetrate between 2 connection parts;

the mounting device further comprises a second fastening piece, wherein the second fastening piece penetrates and fastens along the width direction of the frame body, and the connecting protrusion and the connecting parts on two sides of the connecting protrusion.

In some embodiments, the set of connectors penetrate between 2 of the connectors in the set of connectors;

the first fastener is a damping fastener, the connecting portion is provided with a through hole penetrating along the width direction of the frame body, the damping fastener penetrates through the through hole, two ends of the damping fastener respectively prop against the two connecting pieces, and the damping fastener can stretch and retract along with the change of the distance between the two connecting pieces.

In some embodiments, the damping fastener includes a sleeve, an elastic member and 2 links, each of the links partially penetrating the sleeve, the elastic member being located within the sleeve between 2 of the links to support the pair of 2 of the links.

In some embodiments, the second connecting plate is provided with connecting grooves corresponding to the positions of the through holes of the connecting parts, and the 2 connecting rods of the damping fasteners respectively penetrate into the 2 connecting grooves.

In some embodiments, the support posts are greater in height than the connectors, and the support posts and connectors are each adapted to be connected to opposite side edges of the laminate.

The application also provides a photovoltaic power generation device comprising the laminate and any one of the above mounting devices.

The application has the following beneficial effects:

the utility model provides a frame for laminate for fixed photovoltaic power generation equipment, and link to each other with photovoltaic power generation equipment's body, including frame body and connecting portion group, connecting portion group includes two at least connecting portions, and each connecting portion all sets up in being close to body one side of frame body, and interval distribution on the width direction of frame body, and each connecting portion links to each other with the connection structure on the body.

The frame body sets up two at least connecting portions in width direction, and each connecting portion all links to each other with connection structure on the body, and two adjacent connecting portions can form closed structure with connection structure, frame body surrounding. The closed structure can improve the rigidity of the connecting part, so that the strength between the frame and the connecting structure is improved, and the frame and the connecting structure are favorable for resisting various load actions in the offshore environment.

The application also provides a mounting device and photovoltaic power generation equipment comprising the frame, and the mounting device and the photovoltaic power generation equipment have the advantages.

Drawings

Fig. 1 is a schematic structural diagram of a portion of a frame provided with a connecting portion;

FIG. 2 is a schematic view of the frame of FIG. 1 connected to a connecting structure

FIG. 3 is a schematic structural view of a portion of the frame in FIG. 1 where no connection portion is provided;

FIG. 4 is a schematic view of the frame of FIG. 1 connected to a floating body by a connection structure;

FIG. 5 is a schematic view of an embodiment of a mounting device provided herein;

FIG. 6 is a schematic view of another embodiment of a mounting device provided herein;

FIG. 7 is a schematic view of the damping fastener of FIG. 6;

fig. 8 is a schematic structural view of still another embodiment of the mounting device provided herein.

Wherein reference numerals in fig. 1 to 8 are:

100. a frame; 110. a mounting groove; 120. a cavity; 130. a connection part; 200. a support column; 210. a bottom plate; 220. a connection protrusion; 300. a connecting piece; 400. a fastening bolt; 500. damping fasteners; 510. a sleeve; 520. a connecting rod; 530. a support spring; 540. a drying section; 550. an elastic cushion block; 600. a floating body; 700. an anchor bolt; 800. a laminate; 900. and a rubber pad.

Detailed Description

In order to better understand the technical solutions of the present application, the following describes in detail the photovoltaic power generation device installation apparatus provided in the present application with reference to the accompanying drawings.

The frame 100 provided herein is used to secure a laminate 800 and is connected to a floating body 600 of a photovoltaic power plant. The laminate 800 is generally rectangular with the frame 100 secured to the edges of the laminate 800 and disposed around the laminate 800. The floating body 600 is capable of floating on water, and the frame 100 is positioned at a side of the floating body 600 away from the water surface and connected to the floating body 600 such that the laminate 800 is positioned above the water surface without contact with the water surface.

As shown in fig. 1, the bezel 100 includes a bezel body including a mounting slot 110 for fixedly coupling with an edge of the laminate 800, and a coupling group including at least two coupling parts 130. Each of the connection parts 130 is disposed at one side of the frame body near the floating body 600. As shown in fig. 1 and 2, the respective connection parts 130 are spaced apart in the width direction of the bezel body, and the connection parts 130 may be perpendicular to the laminate 800. Each connecting portion 130 may be fixedly connected with a connecting structure on the floating body 600, as shown in fig. 2, and a hollow closed structure is formed among the connecting portion 130, the connecting structure and the frame body. The marine photovoltaic can generate a turning movement trend under the action of sea wind and sea wave. When the solar cell panel turns around the frame 100 where the connecting parts 130 are located, each connecting part 130 is subjected to stress, namely, the connecting parts 130 can disperse stress, so that the stress effect on each connecting part 130 is improved, the stress born between the frame 100 and the floating body 600 is improved, the rigidity of the mounting device is improved, and the risk of damage of the mounting device is reduced. In the embodiment shown in fig. 1, the connection part group includes 2 connection parts 130, and the number of the connection parts 130 may be set to 3 or more by a user according to need, which is not limited herein.

Optionally, the bezel body has a cavity 120 therein extending along its length. As shown in fig. 1 and 3, the upper portion of the rim body has a mounting groove for mounting the laminate 800, and the cavity 120 is located at the lower portion of the rim body. The cavity 120 forms the frame body into a hollow structure, and the hollow structure can improve the bending strength of the frame body and prevent the frame 100 from bending. And the hollow structure can greatly lighten the weight of the frame body, reduce the load of the floating body 600 and realize the light weight of the photovoltaic power generation equipment.

Optionally, the frame 100 includes a plurality of connection groups, and each connection group is distributed along the length direction of the frame body. Each connecting portion group all links to each other with body 600, has realized that the frame body carries out the multi-point connection with body 600 in length direction, further disperses the stress effect between frame body and the body 600 on each connecting portion group, has reduced the stress that every connecting portion group bore, has improved installation device's stress and the ability of bearing load, has reduced installation device's risk of damage.

Alternatively, as shown in fig. 3, the portion of the frame body, which is not connected to the floating body 600, is not provided with a connection portion set, and the portion of the frame body is suspended above the floating body 600. On the one hand, the weight of the frame 100 can be reduced, the weight of the offshore photovoltaic can be reduced, and on the other hand, a space for air to flow is provided between the connecting part groups, so that the wind resistance of the offshore photovoltaic can be reduced.

In this embodiment, the frame body is provided with at least two connection portions in the width direction, and each connection portion and the connection structure are connected to the floating body 600. Form hollow closed structure between frame body, connecting portion and the connection structure, this structure can improve the structural strength between frame and the connection structure, can bear bigger load.

The present application also provides a mounting device comprising a connection structure, a floating body 600, and a rim 100 according to any of the above embodiments. Wherein, the connection structure is fixedly connected to one side of the floating body 600 far away from the water surface, and the connection structure is fixedly connected with each connection part 130 in the connection part group. The connecting structure connects the floating body 600 with the connecting portion 130, and is used for bearing the acting force between the frame body and the floating body 600, so as to reduce the risk of damaging the floating body 600. The laminate 800 is generally rectangular and, in order to make the laminate 800 as right angle as possible to sunlight, the laminate 800 is at an angle to the horizontal. The floating body 600 floats on the water surface, and the floating body 600 can be approximately regarded as being horizontally disposed. The first side of the laminate 800 is lower in height and the second side of the laminate 800 facing away from the first side is higher in height, the bezel 100 mounted on the first side being the first bezel 100 and the bezel 100 mounted on the second side being the second bezel 100. As shown in fig. 4, the connection structure includes a connection member 300 and a support column 200, and the first and second frames 100 and 100 may be connected to the floating body 600 through the connection member 300 and the support column 200, respectively. The support column 200 has a height greater than the height of the connector 300, thereby creating an angle between the laminate 800 and the horizontal.

In one embodiment of the present application, as shown in fig. 4 and 5, the connection structure is a support column 200, and a bottom plate 210 is disposed at the lower end of the support column 200. The bottom plate 210 may be rectangular, and the bottom plate 210 is provided with a rectangular fixing hole, the fixing hole is rectangular on the bottom plate 210, and the anchor bolt 700 passes through the fixing hole to fixedly connect the bottom plate 210 with the floating body 600. The support column 200 has a support surface at its upper end, and each connection 130 in the same connection group can be placed on the support surface and attached to the support surface. The supporting surface is provided with a connection protrusion 220, and the connection protrusion 220 can penetrate between 2 connection parts 130. The mounting device further includes a second fastening member penetrating and fastening along the width direction of the frame body, the connection protrusion 220 and the connection parts 130 at both sides thereof. The second fastener may be embodied as a fastening bolt 400. Of course, the user may use other fasteners such as fastening screws, and the utility model is not limited thereto.

Alternatively, as shown in FIG. 1, the support column 200 may be hollow. The hollow structure can improve the structural strength of the support column 200 and reduce the damage of the support column 200 due to wind load, sea wave load and other factors on one hand; on the other hand, the weight of the support column 200 can be reduced, the weight of the installation device is reduced, and the material cost of the installation device is reduced.

The support column 200 may be disposed at a side of the laminate 800 where the height is higher, and a user may set the height of the support column 200 as required, and support the laminate 800 by the support column 200, so that an included angle is formed between the Tan sheep energy cell and the horizontal plane.

In one embodiment of the present application, as shown in fig. 6, the connection structure includes at least one set of connection member groups, each set of connection member groups includes two connection members 300, two connection members 300 in each set of connection member groups are oppositely disposed in the width direction of the frame body, and each connection member 300 is fixedly connected with the floating body 600. The mounting device further includes a first fastener, at least one first fastener is provided for each of the connector groups, and the first fastener fastens two connectors 300 of the corresponding connector groups and two connecting portions 130 adjacent to the two connectors respectively along the width direction of the frame body. After the two connecting pieces 300 and the two connecting portions 130 are connected by the first fastening piece, a 'sun' -shaped structure is formed between the frame body and the floating body 600, the structure comprises 2 closed structures, when the torque action rotating around the frame body is received, the two connecting pieces 300, the two connecting portions 130 and the first fastening piece can bear stress, the torque is further dispersed, and the connection rigidity between the frame 100 and the floating body 600 is improved.

Optionally, a cushion pad, which may be embodied as a rubber pad 900, is provided between the connector 300 and the floating body 600. When the floating body 600 is fluctuated under the action of sea waves, the rubber pad 900 can absorb the acting force of the floating body 600 on the connecting piece 300 in the lifting process. Of course, the user may also use a silica gel pad, a plastic pad, or the like as a cushion pad, which is not limited herein.

Alternatively, as shown in fig. 6, each connector 300 includes first and second angled connector plates. The first connection plate is stacked on the surface of the floating body 600 on the side far from the water surface, that is, the orthographic projection of the first connection plate on the plane where the surface of the floating body 600 on the side far from the water surface is located is overlapped with the surface of the floating body 600 on the side far from the water surface. The first connection plate is fixedly connected with the floating body 600. The second connection plate is stacked on the surface of the adjacent connection part 130 and is connected to the connection part 130 by a first fastener.

Alternatively, the other two sides of the laminate 800 except the first side and the second side may be connected to the floating body 600 through a connection structure, or may be suspended above the floating body 600, which is not limited herein. It should be noted that, when the frame 100 is not connected to the floating body 600 through the mounting base, the frame 100 is not required to be provided with a connection portion set. The weight of the bezel 100 can be reduced.

In some embodiments, the buoyancy block may flex somewhat under the wave, resulting in a reduced distance between the 2 connectors 300. The connector set penetrates between 2 connectors 300 in the connector set.

In the embodiment shown in fig. 6, the first fastener is a damping fastener 500. The connection part 130 has a through hole penetrating in the width direction of the frame body, the damping fastener 500 is penetrated in the through hole, both ends of the damping fastener 500 respectively abut against the 2 connection pieces 300, and the damping fastener 500 can be extended and contracted according to the distance between the 2 connection pieces 300, thereby buffering the distance between the 2 connection pieces 300.

In some embodiments, as shown in fig. 7, the damping fastener 500 includes a sleeve 510, an elastic member and 2 links 520, each of the links 520 partially penetrating the sleeve 510, the elastic member being located within the sleeve 510 between the 2 links 520 to support the pair of 2 links 520. Specifically, annular end plates are disposed at two ends of the sleeve 510, and 2 connecting rods 520 respectively pass through annular holes of the 2 end plates. The portion of the connecting rod 520 located in the sleeve 510 is provided with a limiting plate, and the limiting plate cooperates with the end plate to axially limit the connecting rod 520. When the distance between the 2 connectors 300 is changed, the connectors 300 push the link 520 to axially move, and the elastic member may be specifically a supporting spring 530, where the supporting spring 530 supports the 2 connectors 300 through the 2 links 520, respectively, and plays a role in buffering when the distance between the 2 connectors 300 is reduced.

Optionally, the second connection plate is provided with connection grooves corresponding to the positions of the through holes of the connection part 130, and the 2 connection rods 520 of the damping fastener 500 are respectively penetrated into the 2 connection grooves. The connecting groove can limit the end of the damping fastener 500, so that the damping fastener 500 is prevented from tilting under the action of the elastic force of the supporting spring 530.

Optionally, an elastic cushion 550 is disposed in the connecting slot, and the elastic cushion 550 is located between the connecting rod 520 and the connecting slot. When the distance between the 2 connectors 300 is changed, the elastic pad 550 can play a role of buffering, and reduce the impact force between the connectors 300 and the link 520.

Optionally, the damping fastener 500 further includes a drying portion 540, where the drying portion 540 is disposed inside the sleeve 510, for absorbing seawater, condensate, etc. entering the sleeve 510, and slowing down corrosion of the damping fastener 500. The drying part 540 may be made of calcium oxide, etc., and may be ring-shaped, and disposed between the connecting rod 520 and the inner wall of the sleeve 510, and the drying part 540 may absorb seawater when the seawater enters the sleeve 510 from both ends of the sleeve 510. The dry portion 540 can slow the corrosion of the damping fastener 500, extending the useful life of the damping fastener 500.

In some embodiments, the first fastening member is a fastening bolt 400, and as shown in fig. 8, the fastening bolt 400 penetrates the connection member 300 and the connection portion 130 in the width direction of the frame body, and fixedly connects 2 connection members 300 with the connection portion group. The fastening bolt 400 has a simple structure and low cost, and contributes to popularization of offshore photovoltaic equipment.

Alternatively, the frame 100, the connector 300 and the support column 200 may be made of aluminum or aluminum alloy materials. Aluminum and aluminum alloy have advantages such as density is low, intensity is high, corrosion-resistant, not only can realize photovoltaic power generation equipment's lightweight, satisfy installation device's intensity requirement, can reduce the corruption of high-humidity high-salt environment to installation device moreover, extension installation device's life improves marine photovoltaic power generation's stability and reliability. In addition, the surfaces of the frame 100, the connecting piece 300 and the supporting column 200 can be further provided with an anti-corrosion layer, which can be a plating layer or a coating layer, so that the corrosion resistance of the frame, the connecting piece 300 and the supporting column is further improved, and the service life of the installation device is prolonged. Of course, the frame 100, the connector 300 and the support column 200 may be made of other materials, such as stainless steel, etc., which is not limited herein.

The present application also provides a photovoltaic power plant comprising a laminate 800 and the mounting arrangement of any of the embodiments described above. The frame 100 is disposed around the laminate 800 for fixing the laminate 800, and the frame 100 is connected to the floating body 600 through the connection 300 or the support column 200 for supporting the laminate 800. Specifically, the support column 200 is disposed on the second side of the laminate 800, and the connection member 300 is disposed on the first side of the solar cell, so that a certain angle is formed between the laminate 800 and the horizontal plane, and the angle between the laminate 800 and the sunlight is close to a right angle, thereby improving the power generation efficiency of the photovoltaic power generation device. The photovoltaic power generation device can be used for offshore photovoltaic power generation, and structures of other parts of the photovoltaic power generation device can refer to the prior art, and are not described in detail herein.

It is to be understood that the above embodiments are merely illustrative of the exemplary embodiments employed to illustrate the principles of the present application, however, the present application is not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the application, and are also considered to be within the scope of the application.

Claims

1. A frame for fixing a laminate of a photovoltaic power plant and connected to a float of the photovoltaic power plant, characterized in that,

2. The frame of claim 1, wherein a plurality of the connection groups are distributed in a length direction of the frame body.

3. The mounting device is characterized by comprising a floating body, a connecting structure and the frame in claim 1 or 2, wherein the connecting structure is fixedly connected with one side, far away from the water surface, of the floating body, and the frame is connected with the connecting structure through the connecting part group.

4. A mounting arrangement according to claim 3, wherein the connection structure comprises at least one set of connector sets, each set of connector sets comprising two connectors, two of the connectors of each set being arranged opposite each other in the width direction of the bezel body; each connecting piece is fixedly connected with the floating body;

5. The mounting device of claim 4, wherein each of the connection members comprises a first connection plate and a second connection plate at an angle, the first connection plate being stacked on a surface of the floating body on a side away from the water surface and being fixedly connected with the floating body, and the second connection plate being stacked on a surface of an adjacent connection portion.

6. The mounting device according to claim 4, wherein the connecting structure further comprises a support column, the lower end of the support column is fixedly connected with the floating body, the upper end of the support column is provided with a supporting surface, each connecting part in the same connecting part group is attached to the supporting surface, the supporting surface is provided with a connecting protrusion, and the connecting protrusion can penetrate between the two connecting parts;

7. The mounting device of claim 5, wherein the set of connectors penetrate between two of the connectors in the set of connectors;

the first fastener is a damping fastener, the connecting portion is provided with a through hole penetrating along the width direction of the frame body, the damping fastener penetrates through the through hole, two ends of the damping fastener respectively prop against the two connecting pieces, and the damping fastener can stretch and retract along with the change of the distance between the 2 connecting pieces.

8. The mounting device of claim 7, wherein the damping fastener includes a sleeve, an elastic member and 2 links, each of the links partially penetrating the sleeve, the elastic member being located within the sleeve between 2 of the links to support the pair of 2 links.

9. The mounting device according to claim 8, wherein the second connection plate is provided with connection grooves corresponding to the positions of the through holes of the connection parts, and 2 of the connection rods of the damping fasteners are respectively penetrated into 2 of the connection grooves.

10. The mounting device of claim 6, wherein the support post has a height greater than the connector, the support post and the connector being adapted to be connected to opposite side edges of the laminate.

11. A photovoltaic power plant comprising a laminate and a mounting device according to any one of claims 3 to 10.