Buoy structure and inland floating photovoltaic system

Abstract

The utility model discloses a buoy structure and an inland floating photovoltaic system. The buoy structure comprises a buoy assembly. The buoy assembly comprises a plurality of buoys, each buoy is arranged on the side, close to the water body in the first direction, of the photovoltaic assembly of the inland floating photovoltaic system, each buoy floats in the water body and is provided with a first cavity and a second cavity, and the first cavity and the second cavity are arranged in parallel in the first direction. The second cavity is arranged close to the water body, at least part of the second cavity is filled with the filler in the first direction, and at least part of the first cavity is located outside the water body. According to the buoy structure, the floating stability of the photovoltaic module can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of floating photovoltaic systems, and in particular to a buoy structure and an inland floating photovoltaic system. Background Art

[0002] An inland floating photovoltaic system is a photovoltaic system that uses some kind of water base to float photovoltaic modules on the water surface to generate electricity. In traditional inland floating photovoltaic systems, multiple buoys with simple structures and small mass are usually used as floating bodies to support photovoltaic modules. Buoys have the advantages of easy transportation and assembly, but they also have defects. In the event of severe weather, such as strong winds, photovoltaic modules may be at risk of being lifted up by air currents. Utility Model Content

[0003] In view of this, the purpose of the present application is to overcome the deficiencies in the prior art and to provide a buoy structure that can improve the floating stability of a photovoltaic module.

[0004] The present application also provides an inland floating photovoltaic system.

[0005] To achieve the above objectives, the technical solutions adopted in this application are as follows:

[0006] The buoy structure according to the embodiment of the first aspect of the present application includes: a buoy assembly, the buoy assembly including a plurality of buoys, each buoy being arranged on a side of a photovoltaic assembly of an inland floating photovoltaic system close to a water body along a first direction, and each of the buoys floats on the water body, the buoy is provided with a first cavity and a second cavity, the first cavity and the second cavity are arranged side by side in the first direction, and the second cavity is arranged close to the water body, the second cavity is at least partially filled with a filler along the first direction, and the first cavity is at least partially located outside the water body.

[0007] The buoy structure of the present application has the following advantages:

[0008] In the above-mentioned buoy structure, since each buoy is arranged on a side of a photovoltaic component close to the water body along the first direction, and each buoy floats on the water body, the buoy in the buoy assembly can provide buoyancy for the photovoltaic component, so that the photovoltaic component can float on the water surface. At the same time, since the second cavity is at least partially filled with fillers along the first direction, the mass of the buoy can be increased by the fillers filled in the second cavity, so that the buoy has a larger gravity. Since the first cavity is at least partially located outside the water body, the above-mentioned buoy can still provide buoyancy for the photovoltaic component. In windy weather, the buoy will be subjected to an external force away from the water body along the first direction. At this time, the part of the buoy located below the water surface moves in the first direction away from the water body under the action of the external force. When the filling part is located above the water surface, the filling part can increase the mass of the buoy, so that the buoy has a larger gravity. In this way, the gravity of the buoy can provide a pulling force for the photovoltaic component to move along the first direction close to the water body, so as to reduce the possibility of the photovoltaic component being lifted by the airflow and improve the floating stability of the photovoltaic component.

[0009] According to the buoy structure of the embodiment of the first aspect of the present application, the volume of the first cavity is V1, and the volume of the second cavity is V2, satisfying: 1 / 2≤V1 / V2≤1.

[0010] According to the buoy structure of the embodiment of the first aspect of the present application, the buoy has a first cylinder wall, a second cylinder wall, a third cylinder wall and a fourth cylinder wall, the first cylinder wall and the second cylinder wall are spaced apart along the first direction, the third cylinder wall and the fourth cylinder wall are spaced apart along the second direction, and one end of the first cylinder wall along the second direction and one end of the second cylinder wall along the second direction are both connected to the third cylinder wall, the other end of the first cylinder wall along the second direction and the other end of the second cylinder wall along the second direction are both connected to the fourth cylinder wall, and the first cylinder wall, the second cylinder wall, the third cylinder wall and the fourth cylinder wall are surrounded to define the first cavity and the second cavity;

[0011] The second direction is perpendicular to the first direction.

[0012] According to the buoy structure of the first aspect embodiment of the present application, the first cylinder wall is arranged farther away from the water body than the second cylinder wall, and the first cylinder wall is arranged at an angle to the water surface of the water body, and the angle between the first cylinder wall and the water surface of the water body is α, satisfying: 0≤α≤20°.

[0013] According to the buoy structure of the first embodiment of the present application, α=β;

[0014] Wherein, β is the angle between the photovoltaic module and the water body.

[0015] According to the buoy structure of the first aspect embodiment of the present application, in the first direction, the height of the third cylinder wall is H1, the height of the fourth cylinder wall is H2, and in the second direction, the distance between the third cylinder wall and the fourth cylinder wall is H3, satisfying: H1>H2, and H1-H2=H3tanα.

[0016] According to the buoy structure of the first aspect of the present application, the buoy structure also includes a connecting piece, and each of the buoys is connected to the connecting piece.

[0017] According to the buoy structure of the first aspect of the present application, the buoy structure includes a plurality of buoy assemblies and a plurality of connecting parts, and the number of the buoy assemblies is equal to the number of the connecting parts, the plurality of buoys in each buoy assembly are connected to one of the connecting parts, and the plurality of buoy assemblies are arranged at intervals.

[0018] According to the buoy structure of the first aspect of the present application, in the first direction, a partition is provided between the first cavity and the second cavity to isolate the first cavity from the second cavity;

[0019] Or the first cavity is communicated with the second cavity.

[0020] According to the inland floating photovoltaic system of the second embodiment of the present application, the system includes: a plurality of photovoltaic modules; and the buoy structure as described above.

[0021] The inland floating photovoltaic system of this application has the following advantages:

[0022] In the above-mentioned inland floating photovoltaic system, since the above-mentioned buoy structure can reduce the risk of the photovoltaic components being lifted by the airflow and improve the floating stability of the photovoltaic components, the above-mentioned inland floating photovoltaic system has a stronger structural stability, so that the above-mentioned inland floating photovoltaic system can have a better light energy conversion efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 The schematic diagram of the structure of the inland floating photovoltaic system in this application is shown;

[0025] Figure 2 A schematic structural diagram of the buoy structure in the present application is shown;

[0026] Figure 3 The structure diagram of the buoy in this application is shown Figure 1 ;

[0027] Figure 4 The structure diagram of the buoy in this application is shown Figure 2 ;

[0028] Figure 5 A schematic cross-sectional structure diagram of a buoy in one embodiment of the present application is shown;

[0029] Figure 6 A schematic cross-sectional structure diagram of a float according to another embodiment of the present application is shown.

[0030] Description of main component symbols:

[0031] 10- buoy structure;

[0032] 100-buoy assembly; 110-buoy; 111-first cylinder wall; 112-second cylinder wall; 113-third cylinder wall; 114-fourth cylinder wall; 115-fifth cylinder wall; 116-sixth cylinder wall; 120-first cavity; 130-second cavity;

[0033] 200-connecting parts;

[0034] 300-partition;

[0035] 20- Photovoltaic panels. DETAILED DESCRIPTION

[0036] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0041] Reference Figure 1 as well as Figure 2 As shown, the buoy structure 10 involved in the embodiment of the present application is applied to an inland floating photovoltaic system. The inland floating photovoltaic system includes a plurality of photovoltaic modules 20 . The buoy structure 10 includes: a buoy module 100 .

[0042] Specifically, the buoy assembly 100 includes a plurality of buoys 110, each buoy 110 is arranged on a side of a photovoltaic assembly 20 close to the water body along a first direction, and each buoy 110 floats on the water body, the buoy 110 is provided with a first cavity 120 and the first cavity 120, the first cavity 120 and the second cavity 130 are arranged side by side in the first direction, and the second cavity 130 is arranged close to the water body, the second cavity 130 is at least partially filled with filler along the first direction, and the first cavity 120 is at least partially located outside the water body.

[0043] It should be noted that the first direction is Figure 1 The direction that x points to.

[0044] Specifically, in the above-mentioned embodiment, the float 110 is made of a material having a density less than that of the water body, such as foam and plastic, and the filler in the second cavity 130 is a liquid having the same density as that of the water body. In addition, in other embodiments, the filler in the second cavity 130 may also be a substance having a density less than or greater than that of the water body, which may be a solid, a liquid, or a solid-liquid mixture.

[0045] In the above-mentioned buoy structure 10, since each buoy 110 is arranged on a side of a photovoltaic module 20 close to the water body along the first direction, and each buoy 110 floats on the water body, the buoy 110 in the buoy assembly 100 can provide buoyancy for the photovoltaic module 20, so that the photovoltaic module 20 can float on the water surface. At the same time, since the second cavity 130 is at least partially filled with fillers along the first direction, the mass of the buoy 110 can be increased by the fillers filled in the second cavity 130, so that the buoy 110 has a greater gravity. Since the first cavity 120 is at least partially located outside the water body, The above-mentioned float 110 can still provide buoyancy for the photovoltaic component 20. In windy weather, the float 110 will be subjected to an external force along the first direction away from the water body. At this time, the part of the float 110 located below the water surface moves along the first direction away from the water body under the action of the external force. When the filling part is located above the water surface, the filling part can increase the mass of the float 110 so that the float 110 has a greater gravity. In this way, the gravity of the float 110 can provide the photovoltaic component 20 with a pulling force to move along the first direction close to the water body, thereby reducing the possibility of the photovoltaic component 20 being lifted by the airflow and improving the floating stability of the photovoltaic component 20.

[0046] Specifically, the volume of the first cavity 120 is V1, and the volume of the second cavity 130 is V2, satisfying: 1 / 2≤V1 / V2≤1.

[0047] Specifically, in the above embodiments, V1 / V2 can be 1 / 2, 2 / 3, 1, etc.

[0048] It is understandable that if V1 / V2 is less than 1 / 2, the volume of the second cavity 130 will be too large. When the second cavity 130 is filled with fillers, the overall weight of the buoy 110 may be too heavy, causing the buoy 110 to be unable to float on the water, and further causing the buoy 110 to be unable to provide buoyancy for the photovoltaic module 20. If V1 / V2 is greater than 1, the volume of the second cavity 130 will be too small. When the second cavity 130 is filled with fillers, the buoy 110 may be too heavy. The overall weight of 10 is too small. In windy weather, it cannot meet the demand for providing the photovoltaic component 20 with the pulling force to move along the first direction close to the water body, thereby increasing the risk of the photovoltaic component 20 being lifted by the airflow. When 1 / 2≤V1 / V2≤1, the float 110 can provide buoyancy for the photovoltaic component 20 and can also provide the pulling force for the photovoltaic component 20 to move along the first direction close to the water body in windy weather, thereby improving the floating stability of the photovoltaic component 20.

[0049] Reference Figure 3 as well as Figure 4 As shown, the buoy 110 has a first cylinder wall 111, a second cylinder wall 112, a third cylinder wall 113 and a fourth cylinder wall 114, the first cylinder wall 111 and the second cylinder wall 112 are spaced apart along the first direction, the third cylinder wall 113 and the fourth cylinder wall 114 are spaced apart along the second direction, and one end of the first cylinder wall 111 along the second direction and one end of the second cylinder wall 112 along the second direction are both connected to the third cylinder wall 113, the other end of the first cylinder wall 111 along the second direction and the other end of the second cylinder wall 112 along the second direction are both connected to the fourth cylinder wall 114, the first cylinder wall 111, the second cylinder wall 112, the third cylinder wall 113 and the fourth cylinder wall 114 are surrounded to define a first cavity 120 and a second cavity 130;

[0050] The second direction is perpendicular to the first direction.

[0051] Specifically, refer to Figure 3 as well as Figure 4 As shown, in the above embodiment, the float 110 also has a fifth cylinder wall 115 and a sixth cylinder wall 116, and the fifth cylinder wall 115 and the sixth cylinder wall 116 are parallel and spaced apart along the third direction. In the third direction, the fifth cylinder wall 115 is connected to one end of the first cylinder wall 111, one end of the second cylinder wall 112, one end of the third cylinder wall 113 and one end of the fourth cylinder wall 114, and the sixth cylinder wall 116 is connected to the other end of the first cylinder wall 111, the other end of the second cylinder wall 112, the other end of the third cylinder wall 113 and the other end of the fourth cylinder wall 114, and the first cylinder wall 111, the second cylinder wall 112, the third cylinder wall 113, the fourth cylinder wall 114, the fifth cylinder wall 115 and the sixth cylinder wall 116 are all sealed and connected.

[0052] It should be noted that the second direction is Figure 1 The direction indicated by y, the third direction is Figure 1 The direction indicated by z.

[0053] It is understandable that the first cavity 120 and the second cavity 130 can be made into sealed cavities. When the buoy 110 floats on the water body, water leakage into the first cavity 120 and the second cavity 130 can be prevented, thereby improving the stability of the performance of the buoy 110.

[0054] Reference Figure 1 as well as Figure 5 As shown, the first cylinder wall 111 is arranged farther away from the water body than the second cylinder wall 112, and the first cylinder wall 111 is arranged at an angle to the water surface of the water body. The angle between the first cylinder wall 111 and the water surface of the water body is α, which satisfies: 0≤α≤20°.

[0055] Specifically, in the above embodiments, α can be 0, 5°, 10°, 15°, 20°, etc.

[0056] Specifically, in the above-mentioned embodiment, the angle β between the photovoltaic assembly 20 and the water body satisfies: 0≤β≤20°.

[0057] It can be understood that since the first barrel wall 111 is arranged farther away from the water body than the second barrel wall 112, the first barrel wall 111 is arranged close to the photovoltaic module 20. If α is less than 0, the angle between the first barrel wall 111 and the photovoltaic module 20 will be too large, which will reduce the supporting force of the first barrel wall 111 on the photovoltaic module 20, and further reduce the floating stability of the photovoltaic module 20. If α is greater than 20°, the possibility of interference between the first barrel wall 111 and the photovoltaic module 20 may be increased, causing the first barrel wall 111 to damage the photovoltaic module 20. When 0≤α≤20°, it can not only improve the floating stability of the photovoltaic module 20, but also reduce the possibility of the first barrel wall 111 damaging the photovoltaic module 20.

[0058] Reference Figure 1 As shown, α = β;

[0059] Wherein, β is the angle between the photovoltaic module 20 and the water body.

[0060] It can be understood that when α=β, the first barrel wall 111 can be arranged parallel to the photovoltaic component 20. In this way, the supporting force of the first barrel wall 111 on the photovoltaic component 20 can be further improved, the floating stability of the photovoltaic component 20 can be improved, and at the same time, the first barrel wall 111 can be prevented from causing damage to the photovoltaic component 20.

[0061] Reference Figure 5As shown, in the first direction, the height of the third tube wall 113 is H1, and the height of the fourth tube wall 114 is H2. In the second direction, the distance between the third tube wall 113 and the fourth tube wall 114 is H3, satisfying: H1>H2, and H1-H2=H3tanα.

[0062] It can be understood that, since H1>H2, the first cylinder wall 111 can be set at an angle with the water surface of the water body, and since H1-H2=H3tanα, H3 can be determined based on H1, H2 and α, that is, the distance between the third cylinder wall 113 and the fourth cylinder wall 114 can be determined by the height of the third cylinder wall 113, the height of the fourth cylinder wall 114 and the angle between the first cylinder wall 111 and the water surface of the water body, so that the size of the buoy 110 can meet the purpose of setting the first cylinder wall 111 parallel to the photovoltaic component 20.

[0063] Specifically, in the above-mentioned embodiment, the projection of the buoy 110 on the water surface is within the range of the projection of the photovoltaic assembly 20 on the water surface.

[0064] Reference Figure 2 As shown, the buoy structure 10 further includes a connecting member 200 , and each buoy 110 is connected to the connecting member 200 .

[0065] It can be understood that each buoy 110 of the buoy structure 10 can be connected in series through the connector 200 to improve the structural stability of the buoy assembly 100. In this way, the displacement of multiple buoys 110 on the water surface can be reduced through the connector 200, so that the buoy 110 and the photovoltaic assembly 20 can maintain a relatively stable structural relationship, thereby improving the stability of the buoyancy provided by the buoy 110 to the photovoltaic assembly 20. At the same time, in windy weather, the connector 200 can also be used to form an interactive pulling force between the buoys 110 and the buoys 110 to reduce the displacement of the buoy 110 on the water surface and improve the stability of the buoy assembly 100.

[0066] Reference Figure 1 As shown, the buoy structure 10 includes a plurality of buoy assemblies 100 and a plurality of connectors 200, and the number of the buoy assemblies 100 is equal to the number of connectors 200, a plurality of buoys 110 in each buoy assembly 100 are connected to a connector 200, and the plurality of buoy assemblies 100 are arranged at intervals.

[0067] It can be understood that since the buoy structure 10 includes multiple buoy assemblies 100 and multiple connecting parts 200, the buoyancy of multiple photovoltaic assemblies 20 can be improved through multiple buoy assemblies 100. Furthermore, in windy weather, the multiple buoy assemblies 100 can provide greater pulling force to the multiple photovoltaic assemblies 20, further reducing the possibility of the photovoltaic assemblies 20 tipping over and improving the floating stability of the photovoltaic assemblies 20.

[0068] Reference Figure 5 As shown, in some embodiments, a partition 300 is provided between the first cavity 120 and the second cavity 130 to isolate the first cavity 120 from the second cavity 130 .

[0069] It is understandable that if the filler in the second cavity 130 is a liquid or a solid-liquid mixture, in windy weather, the wind and waves will push the filler in the second cavity 130 into the first cavity 120, leaving the second cavity 130 empty. In this way, the external force along the first direction away from the water body exerted on the photovoltaic component 20 will increase, thereby causing the pulling force of the buoy 110 on the photovoltaic component 20 to decrease, affecting the floating stability of the photovoltaic component 20. Therefore, by isolating the first cavity 120 and the second cavity 130 through the partition 300, it is possible to prevent the wind and waves from pushing the filler in the second cavity 130 into the first cavity 120, thereby increasing the pulling force of the buoy 110 on the photovoltaic component 20 and improving the floating stability of the photovoltaic component 20.

[0070] Reference Figure 6 As shown, in some other embodiments, the first cavity 120 is communicated with the second cavity 130 .

[0071] It is understandable that since the first cavity 120 is connected to the second cavity 130 , the gravity of the first buoy 110 itself can be reduced, thereby increasing the buoyancy of the buoy 110 and further increasing the buoyancy of the buoy 110 on the photovoltaic assembly 20 .

[0072] Reference Figure 1 As shown, the inland floating photovoltaic system involved in the embodiment of the present application includes: a plurality of photovoltaic modules 20 and the above-mentioned buoy structure 10.

[0073] In the above-mentioned inland floating photovoltaic system, since the above-mentioned buoy structure 10 can reduce the risk of the photovoltaic component 20 being lifted by the airflow and improve the floating stability of the photovoltaic component 20, the above-mentioned inland floating photovoltaic system has a stronger structural stability, so that the above-mentioned inland floating photovoltaic system can have a better light energy conversion efficiency.

[0074] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0075] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A buoy structure, characterized in that: include: A buoy assembly, wherein the buoy assembly includes a plurality of buoys, each buoy is arranged on a side of a photovoltaic assembly of an inland floating photovoltaic system close to a water body along a first direction, and each of the buoys floats on the water body, the buoy is provided with a first cavity and a second cavity, the first cavity and the second cavity are arranged side by side in the first direction, and the second cavity is arranged close to the water body, the second cavity is at least partially filled with a filler along the first direction, and the first cavity is at least partially located outside the water body.

2. The buoy structure according to claim 1, characterized in that: The volume of the first cavity is V1, and the volume of the second cavity is V2, satisfying: 1 / 2≤V1 / V2≤1.

3. The buoy structure according to claim 1, characterized in that: The buoy has a first cylinder wall, a second cylinder wall, a third cylinder wall and a fourth cylinder wall, the first cylinder wall and the second cylinder wall are spaced apart along the first direction, the third cylinder wall and the fourth cylinder wall are spaced apart along the second direction, one end of the first cylinder wall along the second direction and one end of the second cylinder wall along the second direction are both connected to the third cylinder wall, the other end of the first cylinder wall along the second direction and the other end of the second cylinder wall along the second direction are both connected to the fourth cylinder wall, the first cylinder wall, the second cylinder wall, the third cylinder wall and the fourth cylinder wall are surrounded to define the first cavity and the second cavity; The second direction is perpendicular to the first direction.

4. The buoy structure according to claim 3, characterized in that: The first cylinder wall is arranged farther away from the water body than the second cylinder wall, and the first cylinder wall is arranged at an angle to the water surface of the water body. The angle between the first cylinder wall and the water surface of the water body is α, which satisfies: 0≤α≤20°.

5. The buoy structure according to claim 4, characterized in that: α＝β； Wherein, β is the angle between the photovoltaic module and the water body.

6. The buoy structure according to claim 3, characterized in that: In the first direction, the height of the third tube wall is H1, and the height of the fourth tube wall is H2. In the second direction, the distance between the third tube wall and the fourth tube wall is H3, satisfying: H1>H2, and H1-H2=H3tanα.

7. The buoy structure according to any one of claims 1 to 6, characterized in that: The buoy structure also includes a connecting piece, and each of the buoys is connected to the connecting piece.

8. The buoy structure according to claim 7, characterized in that: The buoy structure includes a plurality of buoy assemblies and a plurality of connectors, and the number of the buoy assemblies is equal to the number of the connectors. The plurality of buoys in each buoy assembly are connected to one connector, and the plurality of buoy assemblies are arranged at intervals.

9. The buoy structure according to any one of claims 1 to 6, characterized in that: In the first direction, a partition is provided between the first cavity and the second cavity to isolate the first cavity from the second cavity; Or the first cavity is communicated with the second cavity.

10. An inland floating photovoltaic system, characterized in that: include: Multiple photovoltaic panels; A buoy structure as claimed in any one of claims 1 to 9.

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