Floating type photovoltaic power generation system and floating structure thereof

By designing the floating structure and foam filling that separates the floating cavity in the water photovoltaic power generation system, the problem of easy damage to the floating body in bad weather is solved, and the floating stability and resistance of the photovoltaic module are improved.

CN222272311UActive Publication Date: 2024-12-31DAS SOLAR CO LTD
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Patent Information

Application Number
CN202421223672.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2024-12-31
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

Existing water photovoltaic power generation systems are susceptible to damage in severe weather, affecting the floating stability of photovoltaic modules.

Method used

A floating structure is designed, including a first floating body and a second floating body. By providing reinforcements in the floating body, the floating cavity is divided into multiple sub-floating cavity, the structural stability is enhanced, and the floating body is realized through the design of foam filling and clamping parts. disassembled connection and stability.

Benefits of technology

It improves the floating stability and bearing capacity of the photovoltaic module, reduces the water inlet and buoyancy drop speed of the floating body when it is damaged, and enhances its resistance to strong winds and waves.

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Abstract

The utility model provides a floating type photovoltaic power generation system and a floating structure thereof, and relates to the field of water photovoltaic power generation, the floating structure comprises first floating bodies and second floating bodies, the two first floating bodies are oppositely arranged, the first floating bodies are provided with first floating cavities, first reinforcing members are arranged in the first floating bodies, the first reinforcing members are connected with the inner walls of the first floating bodies, and the second floating bodies are provided with second floating cavities; the number of the first floating bodies is at least two to divide the first floating cavity into a plurality of first sub-floating cavities, the second floating bodies are connected with the two first floating bodies and provided with second floating cavities, second reinforcing pieces are arranged in the second floating bodies, and the second reinforcing pieces are connected with the inner walls of the second floating bodies to divide the second floating cavities into a plurality of second sub-floating cavities. The first reinforcing member I can reinforce the stability of the first floating body structure so as to improve the floating stability of the photovoltaic module, and when the first floating body is partially damaged and water enters, the plurality of first sub-floating cavities can reduce the water inflow of the first floating body, so that the speed of reducing the buoyancy of the first floating body when the first floating body is damaged can be reduced.
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Description

Technical Field

[0001] The present application relates to the field of water photovoltaic power generation, and in particular to a floating photovoltaic power generation system and a floating structure thereof. Background Art

[0002] Water-based photovoltaic power generation can utilize oceans, lakes, mining subsidence areas, abandoned deep mines, etc. to generate electricity, thereby improving the comprehensive utilization rate of land. In addition, because the water surface has the effects of cooling and mirror reflection on photovoltaic modules, the power generation of water-based photovoltaic power generation is significantly higher than that of ground-based power stations.

[0003] In the related art, water-based photovoltaic power generation is achieved by fixing photovoltaic modules on a floating body so that the photovoltaic modules float on the water surface. However, due to the influence of severe weather such as strong winds and large waves at sea, the floating body is easily damaged, which affects the floating stability of the photovoltaic modules. Utility Model Content

[0004] In order to overcome the deficiencies in the prior art, the present application provides a floating photovoltaic power generation system and a floating structure thereof.

[0005] In a first aspect, the present application provides a floating structure, which is used to be installed on a floating photovoltaic power generation system, and the floating structure includes: a first float and a second float, wherein the first float is two floats arranged opposite to each other, the first float has a first float cavity, and a first reinforcement is provided in the first float, the first reinforcement is connected to the inner wall of the first float to divide the first float cavity into a plurality of first sub-float cavities, the number of the second floats is at least two, the second float is connected to the two first floats, the second float has a second float cavity, and a second reinforcement is provided in the second float, the second reinforcement is connected to the inner wall of the second float to divide the second float cavity into a plurality of second sub-float cavities.

[0006] In combination with the first aspect, in a possible embodiment, the first floating body is arranged along a first preset direction, and the first floating body includes: a first bearing area, a second bearing area and an enclosure area, the first bearing area is connected to the photovoltaic component, the second bearing area is arranged opposite to the first bearing area, the enclosure area is arranged around the periphery of the second bearing area, and the enclosure area connects the second bearing area and the first bearing area to enclose the first floating cavity together with the second bearing area and the first bearing area.

[0007] In combination with the first aspect, in a possible implementation manner, a connection component is disposed on the first bearing area, and the connection component is connected to the photovoltaic component so that the photovoltaic component and the first bearing area form a preset angle.

[0008] In combination with the first aspect, in a possible implementation, the second floating body is disposed along a second preset direction, and the second preset direction is perpendicular to the first preset direction, and the second floating body is connected to the enclosure area.

[0009] In combination with the first aspect, in a possible embodiment, the length of the second float along the first preset direction is smaller than the length of the enclosed area along the first preset direction, the length of the second float along the second preset direction is greater than the length of the enclosed area along the second preset direction, and the second sub-float chamber is filled with foam.

[0010] In combination with the first aspect, in a possible implementation, a clamping member is provided between the enclosure area and an end of the second floating body, and the clamping member connects the enclosure area and the second floating body so that the second floating body and the enclosure area are detachably connected.

[0011] In combination with the first aspect, in a possible embodiment, the clamping part includes: a first clamping part, a second clamping part and a connecting part, the first clamping part is arranged on the first bearing area, and the first clamping part is detachably connected to the first bearing area, the second clamping part is arranged opposite to the first clamping part, and the second clamping part is detachably connected to the second bearing area, the connecting part connects the first clamping part and the second clamping part, the connecting part is detachably connected to the enclosure area, and the second float is connected to the connecting part.

[0012] In combination with the first aspect, in a possible implementation, the floating structure further includes: a third floating body, the third floating body having a third floating cavity, and the third floating body is arranged along a first preset direction, and the third floating body connects two adjacent second floating bodies.

[0013] In combination with the first aspect, in a possible implementation manner, the third float is connected to a middle end of the second float, and the third float chamber is filled with foam.

[0014] In a second aspect, the present application provides a floating photovoltaic power generation system, comprising the above-mentioned floating structure.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The floating structure provided in the present application includes: a first floating body and a second floating body, wherein a first reinforcement member is arranged in the first floating body, and the first reinforcement member can, on the one hand, enhance the stability of the first floating body structure and improve the bearing capacity of the first floating body, so as to improve the floating stability of the photovoltaic module, and on the other hand, the first reinforcement member divides the first floating cavity into a plurality of first sub-cavities, and when the first floating body is partially damaged and water enters, compared with a single first floating cavity, the plurality of first sub-cavities can reduce the amount of water entering the first floating body, thereby reducing the speed at which the buoyancy of the first floating body decreases when damaged, and a second reinforcement member is arranged in the second floating body, and the second reinforcement member divides the second floating cavity into a plurality of second sub-cavities, so as to further enhance the overall stability of the floating structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram showing a structure in which a floating structure is mounted on a photovoltaic module;

[0019] Figure 2 A schematic diagram of the structure of the floating structure is shown;

[0020] Figure 3 A schematic structural diagram showing another angle of the floating structure;

[0021] Figure 4 A schematic cross-sectional structure diagram of a first floating body of the floating structure is shown;

[0022] Figure 5 A schematic cross-sectional structure diagram of a second floating body of the floating structure is shown.

[0023] Description of main component symbols:

[0024] 100-first float; 110-first sub-float; 120-first bearing area; 130-second bearing area; 140-enclosed area; 200-second float; 210-second sub-float; 220-first end; 230-second end; 240-third end; 300-first reinforcement; 400-second reinforcement; 500-connecting assembly; 600-clamping piece; 610-first clamping part; 620-second clamping part; 630-connecting part; 700-third float; 800-supporting piece. DETAILED DESCRIPTION

[0025] 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.

[0026] 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.

[0027] 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.

[0028] 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.

[0029] 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.

[0030] Embodiment 1

[0031] See also Figure 1 and Figure 2 The present application provides a floating structure, which is used to be mounted on a floating photovoltaic power generation system. The floating structure includes: a first floating body 100 and a second floating body 200. Figure 2 and Figure 4 The first floating body 100 is two buoys arranged opposite to each other. The first floating body 100 has a first floating cavity, and a first reinforcement member 300 is arranged inside the first floating body 100. The first reinforcement member 300 is connected to the inner wall of the first floating body 100 to divide the first floating cavity into a plurality of first sub-buoyant cavities 110. Figure 2 and Figure 5 The second floating body 200 connects the two first floating bodies 100, and the second floating body 200 has a second floating cavity, and a second reinforcing member 400 is disposed in the second floating body 200. The second reinforcing member 400 is connected to the inner wall of the second floating body 200 to divide the second floating cavity into a plurality of second sub-floating cavities 210. On the one hand, the first reinforcement 300 can strengthen the stability of the first floating body 100 structure and improve the bearing capacity of the first floating body 100, so as to improve the floating stability of the photovoltaic module. On the other hand, the first reinforcement 300 divides the first floating cavity into a plurality of first sub-floating cavities 110. When the first floating body 100 is partially damaged and water enters, compared with a single first floating cavity, the plurality of first sub-floating cavities 110 can reduce the amount of water entering the first floating body 100, thereby reducing the speed at which the buoyancy of the first floating body 100 decreases when damaged. In addition, a second reinforcement 400 is arranged in the second floating body 200, and the second reinforcement 400 divides the second floating cavity into a plurality of second sub-floating cavities 210, so as to further enhance the overall stability of the floating structure.

[0032] In some embodiments, the number of the first reinforcement members 300 is eight, each of the first reinforcement members 300 is arranged in the first floating body 100 along the first preset direction, and the symmetry axis of each of the first reinforcement members 300 coincides with the symmetry axis of the first floating body 100 .

[0033] In other embodiments, the number of the first reinforcement members 300 may be two, four, six, ten, twelve, etc., which are not listed here one by one.

[0034] In some embodiments, a steel mesh is provided at the connection between the first reinforcement member 300 and the first floating body 100 to improve the structural stability of the connection between the first reinforcement member 300 and the first floating body 100 and further enhance the bearing capacity of the first floating body 100 .

[0035] See also Figure 1In some embodiments, the first floating body 100 is arranged along a first preset direction, and a connecting component 500 is arranged on the first floating body 100. The connecting component 500 is used to connect with a photovoltaic component.

[0036] See also Figure 2 and Figure 3 In some embodiments, the first floating body 100 includes: a first bearing area 120, a second bearing area 130 and an enclosure area 140. The first bearing area 120 is arranged along the first preset direction. The second bearing area 130 is arranged opposite to the first bearing area 120. The enclosure area 140 is arranged around the periphery of the second bearing area 130, and the enclosure area 140 connects the second bearing area 130 and the first bearing area 120 to enclose the first sealed buoyancy chamber with the second bearing area 130 and the first bearing area 120. The first floating body 100 floats on the seawater so that the second bearing area 130 contacts the seawater, or the second bearing area 130 and part of the enclosure area 140 contact the seawater.

[0037] In some embodiments, the connection component 500 is disposed on the first carrying area 120 , and the connection component 500 is connected to the photovoltaic component so that the photovoltaic component and the first carrying area 120 form a preset angle.

[0038] In some embodiments, the preset angle is a photovoltaic tilt angle of the photovoltaic assembly.

[0039] In some embodiments, the number of the second floating bodies 200 is two, the second floating bodies 200 are disposed along the second preset direction, and the second floating bodies 200 are connected to the enclosure area 140 .

[0040] In other embodiments, the number of the second floating bodies 200 may be three, four, five, six, etc., which are not listed here one by one.

[0041] In some embodiments, the number of the second reinforcement members 400 is three, and each of the second reinforcement members 400 is arranged in the second floating body 200 along the second preset direction.

[0042] In other embodiments, the number of the second reinforcement members 400 may be four, five, six, seven, etc., which are not listed here one by one.

[0043] In some embodiments, a steel mesh is provided at the connection between the second reinforcement 400 and the second floating body 200 to improve the structural stability of the connection between the second reinforcement 400 and the second floating body 200, further enhance the bearing capacity of the second floating body 200, and enhance the overall stability of the floating structure.

[0044] In some embodiments, the second float 200 is cylindrical, and the length of the second float 200 along the first preset direction is less than the length of the enclosure 140 along the first preset direction, and the length of the second float 200 along the second preset direction is greater than the length of the enclosure 140 along the second preset direction.

[0045] In some embodiments, the length of the second floating body 200 along the third preset direction is equal to the length of the enclosure area 140 along the third preset direction. The third preset direction is perpendicular to the second preset direction, and the third preset direction is perpendicular to the first preset direction. The first floating body 100 floats on the seawater, and part of the second floating body 200 is in contact with the seawater.

[0046] See also Figure 2 and Figure 3 In some embodiments, the second floating body 200 includes a first end 220 and a second end 230. The first end 220 is detachably connected to the enclosure 140, and the second end 230 is detachably connected to the enclosure 140, so as to facilitate the disassembly and assembly of the second floating body 200 and the first floating body 100.

[0047] See also Figure 1 and Figure 2 In some embodiments, the floating structure further includes: a clamping member 600. The clamping member 600 is disposed on the first end 220 and the second end 230, and the clamping member 600 connects the first end 220 and the enclosure area 140 so that the first end 220 and the enclosure are detachably connected, and the clamping member 600 connects the second end 230 and the enclosure area 140 so that the second end 230 and the enclosure are detachably connected.

[0048] See also Figure 2 and Figure 3 In some embodiments, the clamping member 600 includes: a first clamping portion 610, a second clamping portion 620 and a connecting portion 630. The first clamping portion 610 is disposed on the first bearing area 120, and the first clamping portion 610 is detachably connected to the first bearing area 120. The second clamping portion 620 is disposed opposite to the first clamping portion 610, and the second clamping portion 620 is detachably connected to the second bearing area 130. The connecting portion 630 connects the first clamping portion 610 and the second clamping portion 620, and the connecting portion 630 is detachably connected to the enclosure area 140. The first end 220 is connected to the connecting portion 630. The second end 230 is connected to the connecting portion 630.

[0049] In some embodiments, the length of the connecting portion 630 along the first preset direction is greater than the length of the second float 200 along the first preset direction, so that the connecting portion 630 can completely cover the holes on the first end 220 and the second end 230, and the connecting portion 630 is sealedly connected to the first end 220, and the connecting portion 630 is sealedly connected to the second end 230, so that the connecting portion 630, the second float 200 and the second reinforcement 400 form a sealed second sub-float chamber 210.

[0050] See also Figure 1 and Figure 2 In some embodiments, the floating structure further includes: a third floating body 700. The third floating body 700 has a third floating cavity, and the third floating body 700 is arranged along the first preset direction, and the third floating body 700 connects two adjacent second floating bodies 200 to enhance the stability of the floating structure and improve the carrying capacity of the floating structure when floating.

[0051] See also Figure 2 and Figure 3 In some embodiments, the second floating body 200 further includes a third end 240. The third end 240 is located between the first end 220 and the second end 230, and the third end 240 is the middle end of the second floating body 200. The third floating body 700 is detachably connected to the third end 240 to facilitate the disassembly and assembly of the second floating body 200 and the third floating body 700.

[0052] In some embodiments, the length of the third floating body 700 along the third preset direction is equal to the length of the second floating body 200 along the third preset direction.

[0053] See also Figure 1 In some embodiments, a support member 800 is further provided on the third floating body 700. The support member 800 is located on a side of the third floating body 700 close to the photovoltaic assembly, and the support member 800 is used to support the photovoltaic assembly.

[0054] In some embodiments, the first sub-buoyancy chamber 110, the second sub-buoyancy chamber 210 and the third buoyancy chamber are all filled with foam. When one or more of the first sub-buoyancy chamber 110, the second sub-buoyancy chamber 210 and the third buoyancy chamber is damaged and water enters, the foam can slow down the speed at which the floating buoyancy of the damaged first sub-buoyancy chamber 110, the second sub-buoyancy chamber 210 and the third buoyancy chamber decreases, which is beneficial to maintaining the balance of the damaged first sub-buoyancy chamber 110, the second sub-buoyancy chamber 210 and the third buoyancy chamber on the seawater, and further improves the stability of the floating structure when floating.

[0055] A plurality of the first reinforcement members 300 are arranged in the first floating body 100 along the first preset direction to enhance the bending and tensile properties of the first floating body 100 and improve the bearing capacity of the first floating body 100. A steel mesh is provided at the connection between the first reinforcement member 300 and the first floating body 100 to further enhance the structural stability of the connection between the first reinforcement member 300 and the first floating body 100, thereby enhancing the ability of the floating structure to resist severe weather such as strong winds and waves on the water surface. The first reinforcement member 300 is provided at the connection between the first reinforcement member 300 and the first floating body 100. The float cavity is divided into a plurality of first sub-cavities 110. When the first float 100 takes on water due to partial damage, compared with a single first float cavity, the plurality of first sub-cavities 110 can reduce the amount of water taking in the first float 100, thereby slowing down the rate at which the buoyancy of the first float 100 decreases when damaged. In addition, the foam in the first sub-cavity 110 can further slow down the rate at which the buoyancy of the damaged first sub-cavity 110 decreases, which is beneficial to maintaining the balance of the damaged first sub-cavity 110 on the seawater and improving the stability of the floating structure when floating.

[0056] Embodiment 2

[0057] An embodiment of the present application provides a floating photovoltaic power generation system (not shown in the figure), which includes the floating structure in any one of the above embodiments, and therefore has all the beneficial effects of the floating structure in any one of the above embodiments, which will not be described one by one here.

[0058] 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.

[0059] 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 floating structure, which is used to be assembled on a floating photovoltaic power generation system, characterized in that: include: Two first floating bodies are arranged opposite to each other, wherein the first floating bodies have a first floating cavity, and a first reinforcing member is arranged in the first floating bodies, and the first reinforcing member is connected to the inner wall of the first floating body to divide the first floating cavity into a plurality of first sub-floating cavities; At least two second floats, the second floats are connected to the two first floats, the second floats have a second float cavity, and a second reinforcement is arranged inside the second float, and the second reinforcement is connected to the inner wall of the second float to divide the second float cavity into a plurality of second sub-float cavities.

2. The floating structure according to claim 1, characterized in that: The first floating body is arranged along a first preset direction, and the first floating body comprises: a first bearing area, wherein the first bearing area is connected to the photovoltaic module; a second bearing area, the second bearing area being arranged opposite to the first bearing area; The enclosure area is arranged around the periphery of the second bearing area, and the enclosure area connects the second bearing area and the first bearing area to enclose the first floating cavity together with the second bearing area and the first bearing area.

3. The floating structure according to claim 2, characterized in that: A connection component is disposed on the first bearing area, and the connection component is connected to the photovoltaic component so that the photovoltaic component and the first bearing area form a preset angle.

4. The floating structure according to claim 2, characterized in that: The second floating body is arranged along a second preset direction, and the second preset direction is perpendicular to the first preset direction, and the second floating body is connected to the enclosure area.

5. The floating structure according to claim 4, characterized in that: The length of the second floating body along the first preset direction is smaller than the length of the enclosure along the first preset direction, the length of the second floating body along the second preset direction is larger than the length of the enclosure along the second preset direction, and the second sub-floating chamber is filled with foam.

6. The floating structure according to claim 4, characterized in that: A clamping piece is provided between the enclosure area and the end of the second floating body, and the clamping piece connects the enclosure area and the second floating body so that the second floating body and the enclosure area are detachably connected.

7. The floating structure according to claim 6, characterized in that: The card connector comprises: A first clamping portion, wherein the first clamping portion is disposed on the first bearing area, and the first clamping portion is detachably connected to the first bearing area; A second clamping portion, the second clamping portion is arranged opposite to the first clamping portion, and the second clamping portion is detachably connected to the second bearing area; A connecting portion, wherein the connecting portion connects the first clamping portion and the second clamping portion, the connecting portion is detachably connected to the enclosure area, and the second floating body is connected to the connecting portion.

8. The floating structure according to claim 1, characterized in that: The floating structure further comprises: The third floating body has a third floating cavity, and the third floating body is arranged along a first preset direction, and the third floating body connects two adjacent second floating bodies.

9. The floating structure according to claim 8, characterized in that: The third float is connected to the middle end of the second float, and the third float chamber is filled with foam.

10. A floating photovoltaic power generation system, characterized in that: A floating structure comprising any one of claims 1-9.