Photovoltaic floating body and photovoltaic system

Abstract

The invention discloses a photovoltaic floating body and a photovoltaic system, the photovoltaic floating body comprises a floating body, the floating body is provided with at least two lightening holes, the floating body is provided with at least two groups of bracket mounting surfaces, and the bracket mounting surfaces are used for supporting at least two groups of photovoltaic modules through module brackets. According to the photovoltaic floating body disclosed by the invention, the photovoltaic module is supported through the mounting boss, so that the photovoltaic module is lifted, the water leaving height of the photovoltaic module is increased, the water entering probability of the photovoltaic module is reduced, the structure is simple, and the cost is low; meanwhile, a single photovoltaic floating body can support at least two groups of photovoltaic modules at the same time, so that the number of the photovoltaic floating bodies in the photovoltaic system is reduced, connection nodes are further reduced, the overall structural strength and stability of the floating body square matrix are improved, and the inclination angle difference of the photovoltaic modules in the photovoltaic system is optimized; in addition, the distance between the photovoltaic modules in the row can be shortened, and the installed capacity is effectively improved.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic technology, and more particularly to a photovoltaic floating body and a photovoltaic system. Background Art

[0002] At present, the photovoltaic floating bodies of the photovoltaic system usually adopt a "one-to-one" design, that is, each photovoltaic floating body corresponds to a photovoltaic module. Considering the problem of shadow blocking by photovoltaic modules, this photovoltaic system will set a certain distance between photovoltaic floating bodies to reduce the impact of shadows on power generation efficiency. However, this photovoltaic system has some problems:

[0003] (1) Large amount of materials used: Since each photovoltaic module requires an independent photovoltaic float to support it, the amount of floating material used is large, thereby increasing the overall cost of the photovoltaic system.

[0004] (2) Low installed capacity: The distance between photovoltaic floats limits the close arrangement of photovoltaic modules, thereby reducing the installed capacity per unit area.

[0005] (3) Large differences in the inclination angles of photovoltaic modules: In order to adapt to different lighting conditions, the inclination angles of photovoltaic modules vary greatly, which not only increases the complexity of the design, but also leads to inconsistent performance between photovoltaic modules.

[0006] (4) Large amount of metal brackets: Traditional photovoltaic systems usually require a large number of metal brackets to fix photovoltaic modules, which not only increases material costs but also reduces construction efficiency.

[0007] Therefore, how to reduce the difference in the inclination angles of photovoltaic modules in a photovoltaic system has become a technical problem that needs to be urgently solved by those skilled in the art. Summary of the invention

[0008] In view of this, an object of the present invention is to provide a photovoltaic float to reduce the difference in inclination angles of photovoltaic modules in a photovoltaic system.

[0009] Another object of the present invention is to provide a photovoltaic system including the above-mentioned photovoltaic floating body.

[0010] To achieve the above object, the present invention provides the following technical solutions:

[0011] A photovoltaic float comprises a float body, wherein the float body is provided with at least two weight-reducing holes and at least two groups of bracket mounting surfaces, and the bracket mounting surfaces are used to support at least two groups of photovoltaic components.

[0012] Optionally, in the above-mentioned photovoltaic floating body, at least two groups of mounting bosses are protruding from the floating body, and the side surfaces of each mounting boss facing away from the floating body serve as the bracket mounting surface.

[0013] Optionally, in the above photovoltaic floating body, the mounting bosses are three groups arranged at intervals along the first direction;

[0014] Along the first direction, the bracket mounting surfaces on the middle group of mounting bosses respectively form a mounting combination with the bracket mounting surfaces on the other two groups of mounting bosses, and the two mounting combinations respectively support at least one group of photovoltaic components.

[0015] Optionally, in the above photovoltaic floating body, along the first direction, the extension lengths of the three groups of mounting bosses along the second direction are sequentially reduced;

[0016] Alternatively, along the first direction, the extension length of the middle group of the mounting bosses along the second direction is greater than the extension lengths of the other two groups of the mounting bosses along the second direction.

[0017] Optionally, in the above photovoltaic floating body, the mounting bosses are four groups arranged at intervals along the first direction, and are respectively a first boss, a second boss, a third boss and a fourth boss;

[0018] The bracket mounting surfaces of the first boss and the second boss form a mounting assembly, and the bracket mounting surfaces of the third boss and the fourth boss form a mounting assembly, and the two mounting assemblies respectively support at least one group of photovoltaic components.

[0019] Optionally, in the above photovoltaic floating body, the extension length of the first boss along the second direction is smaller than the extension length of the second boss along the second direction, and the extension length of the third boss along the second direction is smaller than the extension length of the fourth boss along the second direction;

[0020] Alternatively, an extension length of the first boss along the second direction is smaller than an extension length of the second boss along the second direction, and an extension length of the fourth boss along the second direction is smaller than an extension length of the third boss along the second direction.

[0021] Optionally, in the above-mentioned photovoltaic floating body, the floating body main body includes at least two sub-bodies, each of the sub-bodies is provided with a sub-body connecting portion, and each of the sub-bodies is connected to each other through the sub-body connecting portion to form the floating body main body.

[0022] Optionally, in the above-mentioned photovoltaic floating body, the sub-body connecting portion includes at least one of a first connecting ear and a mounting groove, and the two sub-body connecting portions are directly connected or indirectly connected through an adapter.

[0023] Optionally, in the above photovoltaic floating body, at least three second connecting ears are provided at both ends of the floating body along the first direction;

[0024] And / or, a plurality of the weight-reducing holes are arranged at intervals along the first direction.

[0025] Optionally, in the above-mentioned photovoltaic floating body, the floating body body and the mounting boss are an integrated structure and are integrally manufactured and formed.

[0026] Optionally, the above-mentioned photovoltaic floating body further includes a reinforcement member, and two ends of the reinforcement member are respectively connected to two opposite sides of the weight-reducing hole.

[0027] Optionally, in the above-mentioned photovoltaic floating body, the weight-reducing hole is a closed structure or an open structure.

[0028] A photovoltaic system, comprising the above-mentioned photovoltaic floating body.

[0029] The photovoltaic floating body provided by the present invention includes a floating body, at least two weight-reducing holes are opened on the floating body, and at least two groups of bracket mounting surfaces are arranged on the floating body, and the bracket mounting surfaces are used to support at least two groups of photovoltaic components through component brackets. Compared with the prior art, the photovoltaic floating body provided by the present invention supports the photovoltaic components through the bracket mounting surfaces, and a single photovoltaic floating body can support at least two groups of photovoltaic components at the same time, reducing the number of photovoltaic floating bodies in the photovoltaic system, thereby reducing the connection nodes, improving the overall structural strength and stability of the floating array, and optimizing the inclination angle difference of the photovoltaic components in the photovoltaic system; in addition, the spacing between the row of photovoltaic components can be shortened, thereby effectively increasing the installed capacity; supporting multiple photovoltaic components at the same time will cause the volume of the photovoltaic floating body to be too large, and the setting of at least two weight-reducing holes effectively reduces the mass of the photovoltaic floating body and reduces the material cost.

[0030] The photovoltaic system provided by the present invention includes the above-mentioned photovoltaic floating body, so it also has the above-mentioned structure and beneficial effects. Other structures refer to the prior art and will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 This is a schematic structural diagram of a first photovoltaic floating body disclosed in an embodiment of the present invention;

[0033] Figure 2This is a schematic structural diagram of a second photovoltaic floating body disclosed in an embodiment of the present invention;

[0034] Figure 3 Schematic diagram of the first supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention Figure 1 ;

[0035] Figure 4 Schematic diagram of the first supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention Figure 2 ;

[0036] Figure 5 for Figure 4 A partial enlarged view of the middle pressure block;

[0037] Figure 6 This is a schematic diagram of a second supporting structure of a photovoltaic floating body for a photovoltaic module disclosed in an embodiment of the present invention;

[0038] Figure 7 This is a schematic diagram of a third supporting structure of a photovoltaic floating body for a photovoltaic module disclosed in an embodiment of the present invention;

[0039] Figure 8 This is a schematic diagram of a fourth supporting structure of a photovoltaic floating body for a photovoltaic module disclosed in an embodiment of the present invention;

[0040] Fig. 9 The fifth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0041] Fig.10 The fifth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0042] Fig.11 The sixth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0043] Fig.12 The sixth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0044] Fig.13 The seventh supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0045] Fig.14 Schematic diagram of the seventh supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention Figure 2 ;

[0046] Fig.15The eighth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0047] Fig.16 The eighth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0048] Fig.17 A schematic diagram of the structure of a sub-body disclosed in an embodiment of the present invention;

[0049] Fig.18 An exploded diagram of a third photovoltaic floating body disclosed in an embodiment of the present invention;

[0050] Fig.19 This is a schematic diagram of the overall structure of a third photovoltaic floating body disclosed in an embodiment of the present invention;

[0051] Fig. 20 The ninth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0052] Fig.21 The ninth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0053] Fig. 22 The tenth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0054] Fig.23 The tenth supporting structure of the photovoltaic floating body for the photovoltaic module disclosed in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0055] Fig.24 This is a schematic diagram of the eleventh supporting structure of the photovoltaic floating body for the photovoltaic assembly disclosed in the embodiment of the present invention;

[0056] Fig.25 This is a schematic diagram of a twelfth supporting structure of a photovoltaic floating body for a photovoltaic module disclosed in an embodiment of the present invention;

[0057] Fig.26 This is a schematic structural diagram of a first photovoltaic system disclosed in an embodiment of the present invention;

[0058] Fig. 27 A schematic diagram of the structure of a second photovoltaic system disclosed in an embodiment of the present invention;

[0059] Fig.28 This is a schematic structural diagram of a third photovoltaic system disclosed in an embodiment of the present invention.

[0060] Among them, 100 is the floating body, 101 is the weight reduction hole, 102 is the mounting boss, 103 is the second connecting ear, 110 is the sub-body, 111 is the first connecting ear, 112 is the mounting groove, 200 is the reinforcement, 300 is the photovoltaic module, 310 is the module bracket, 320 is the pressing block, 400 is the walkway floating body, and 500 is the connecting floating body. DETAILED DESCRIPTION

[0061] The core of the present invention is to disclose a photovoltaic float to reduce the difference in inclination angles of photovoltaic components in a photovoltaic system.

[0062] Another core of the present invention is to disclose a photovoltaic system including the above-mentioned photovoltaic floating body.

[0063] Hereinafter, the embodiments will be described with reference to the accompanying drawings. Figure 3-Figure 16 The floating body 100 is an integrated structure. Figure 20-Figure 25 The floating body 100 is a split structure including a plurality of sub-bodies 110 .

[0064] In addition, the embodiments shown below do not have any limiting effect on the invention contents recorded in the claims. In addition, the entire contents of the structures represented by the following embodiments are not limited to those necessary as solutions to the inventions recorded in the claims. It should be noted that, for ease of description, only the parts related to the relevant inventions are shown in the drawings. In the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0065] Combination Figure 1 , Figure 3 and Figure 4 The photovoltaic floating body disclosed in the present invention includes a floating body 100, at least two weight-reducing holes 101 are provided on the floating body 100, and at least two groups of bracket mounting surfaces are provided on the floating body 100, and the bracket mounting surfaces are used to support at least two groups of photovoltaic modules 300 through module brackets 310. Each group of bracket mounting surfaces includes at least two bracket mounting surfaces arranged at intervals along a third direction, and the third direction is perpendicular to the first direction.

[0066] Compared with the prior art, the photovoltaic float disclosed in the present invention supports the photovoltaic module 300 through the bracket installation surface, and a single photovoltaic float can support at least two groups of photovoltaic modules 300 at the same time, reducing the number of photovoltaic floats in the photovoltaic system, thereby reducing the connection nodes, improving the overall structural strength and stability of the float array, and optimizing the inclination angle difference of the photovoltaic modules in the photovoltaic system; in addition, the spacing between the row of photovoltaic modules 300 can be shortened, thereby effectively increasing the installed capacity; supporting multiple photovoltaic modules 300 at the same time will cause the volume of the photovoltaic float to be too large. By setting at least two weight-reducing holes 101, the mass of the photovoltaic float is effectively reduced and the material cost is reduced.

[0067] For example, Figure 1 and Figure 2 2 shows a technical solution of setting two weight-reducing holes 101 on a floating body 100, and the two weight-reducing holes 101 are arranged in sequence along a first direction.

[0068] Specifically, the bracket mounting surface can be set protruding from the surface of the floating body 100, or set lower than the surface of the floating body 100, or set parallel to the surface of the floating body 100. The following is described with the bracket mounting surface protruding from the surface of the floating body 100 as a specific embodiment. Specifically, at least two groups of mounting bosses 102 are protruding from the floating body 100, and the sides of each mounting boss 102 facing away from the floating body 100 can be used as the above-mentioned bracket mounting surface, and at least two groups of photovoltaic components 300 are supported by the component bracket 310. The photovoltaic float disclosed in the present invention supports the photovoltaic component 300 through the mounting boss 102, thereby raising the photovoltaic component 300 and increasing the height of the photovoltaic component 300 from the water, thereby reducing the probability of the photovoltaic component 300 entering the water, and has a simple structure and low cost.

[0069] Combination Figure 6 and Figure 7 , each photovoltaic assembly 300 on a photovoltaic floating body can be arranged in the same plane or in different planes; Fig. 9 and Fig.12 The installation angles of the photovoltaic modules 300 on a photovoltaic floating body can be the same or different. The mounting surface of the bracket can be a plane or an inclined surface, and the present invention does not limit the installation direction of the photovoltaic module 300 relative to the floating body 100.

[0070] For example, Figure 7 and Figure 8 , a structural solution is shown in which a plurality of photovoltaic modules 300 are arranged on the same plane, which can effectively reduce the installation spacing of the photovoltaic modules 300 and increase the installed capacity.

[0071] Specifically, the present invention can increase the number of photovoltaic modules 300 that can be supported by extending the extension length of the floating body 100 in the first direction and the number of mounting bosses 102 .

[0072] In some embodiments, in combination Figure 1 , Figure 4 and Figure 5The mounting bosses 102 are three groups arranged at intervals along a first direction; along the first direction, the bracket mounting surfaces of the middle group of mounting bosses 102 respectively form a mounting combination with the bracket mounting surfaces of the other two groups of mounting bosses 102, and the two mounting combinations can respectively support at least one group of photovoltaic components 300 through the component bracket 310, that is, the middle group of mounting bosses 102 can be shared by different photovoltaic components 300 to simplify the structure, reduce the volume of the floating body 100, and reduce costs.

[0073] Specifically, each group of mounting bosses 102 can be arranged on the same plane of the floating body 100, and the extension length of each group of mounting bosses 102 along the second direction can be kept consistent, and the second direction is perpendicular to the first direction and the third direction, so that Fig.13 and Fig.14 As shown, the photovoltaic assembly 300 with an installation angle of 0 is directly arranged, or as Fig.11 and Fig.12 As shown, the required installation inclination angle of the photovoltaic component 300 is formed by arranging component brackets 310 of different sizes and / or numbers on the bracket installation surface.

[0074] In some embodiments, along the first direction, the extension lengths of the three groups of mounting bosses 102 along the second direction decrease successively; or, along the first direction, the extension length of the middle group of mounting bosses 102 along the second direction is greater than the extension lengths of the other two groups of mounting bosses 102 along the second direction, so as to form a height difference through the different extension lengths of the mounting bosses 102 along the second direction, thereby meeting the installation inclination angle requirements of the photovoltaic component 300 to a certain extent, reducing the weight of the component bracket 310, reducing costs, and improving assembly efficiency.

[0075] Combination Figure 4 and Figure 5 In some embodiments, the photovoltaic module 300 is set on the mounting boss 102 through the module bracket 310 and the pressing block 320. During the assembly process, the bolt holes of the module bracket 310 are first aligned with the bolt holes reserved on the mounting boss 102 and connected with bolts; then the position of the module bracket 310 is adjusted according to the installation requirements to ensure that the positions of the module brackets 310 on the same group of mounting bosses 102 are consistent; then two photovoltaic modules 300 are installed on the module bracket 310 in sequence, so that the lower flange of the aluminum frame of the photovoltaic module 300 is inserted into the curling groove of the module bracket 310 and adjusted to an appropriate position. After the overall adjustment of the photovoltaic module 300 is completed, the photovoltaic module 300 is pressed and set on the module bracket 310 by the pressing block 320 to complete the assembly. The photovoltaic module 300 can also be set on the mounting boss 102 through a support rod. The specific structures of the support rod, the module bracket 310 and the pressing block 320 are all existing technologies and will not be repeated here.

[0076] In a specific embodiment disclosed in the present invention, the mounting bosses 102 are four groups arranged at intervals along a first direction, and it is defined that along the first direction, the four groups of mounting bosses 102 are respectively the first boss, the second boss, the third boss and the fourth boss. The bracket mounting surfaces of the first boss and the second boss form an mounting combination, and the bracket mounting surfaces of the third boss and the fourth boss form an mounting combination. The two mounting combinations support at least one group of photovoltaic components 300 through the component bracket 310 respectively.

[0077] Among them, combined Fig.13 and Fig.14 The first boss, the second boss, the third boss and the fourth boss can all be arranged on the same plane of the floating body 100, and the extension length of the first boss and the second boss along the second direction can be consistent, and the extension length of the third boss and the fourth boss along the second direction can be consistent, so as to arrange the photovoltaic component 300 through the component bracket 310 or directly set the photovoltaic component 300.

[0078] In some embodiments, in combination Fig.11 and Fig.12 , the first boss, the second boss, the third boss and the fourth boss are all arranged on the same plane of the floating body 100, and along the first direction, the extension length of the first boss along the second direction is less than the extension length of the second boss along the second direction, and the extension length of the third boss along the second direction is less than the extension length of the fourth boss along the second direction, so that the two installation assemblies are inclined in the same direction and the photovoltaic components 300 are arranged respectively. Alternatively, the extension length of the first boss along the second direction is less than the extension length of the second boss along the second direction, and the extension length of the fourth boss along the second direction is less than the extension length of the third boss along the second direction, so that the two installation assemblies are inclined in opposite directions respectively and the photovoltaic components 300 are arranged respectively.

[0079] Furthermore, combined with Fig.15 and Fig.16 When the mounting bosses 102 are arranged in six or more groups along the first direction, three or more mounting combinations can be formed respectively. The specific setting method is similar to the above-mentioned scheme of four groups of mounting bosses 102, which will not be repeated here.

[0080] In a specific embodiment disclosed in the present invention, Figure 17-Figure 19 The floating body 100 includes at least two sub-bodies 110, each of which is provided with a sub-body connecting portion, and each of the sub-bodies 110 is connected through the sub-body connecting portion to form the floating body 100, so as to reduce the production cost of the large-volume floating body 100. Figure 20-Figure 25The structures of the sub-bodies 110 may be the same or different, and the number of the sub-bodies 110 is not limited to two. Fig.18 The two sub-bodies 110 are separated in the direction indicated by the middle arrow. The sub-body connection part includes at least one of the first connection ear 111 and the installation groove 112. The two sub-body connection parts can be directly connected by bolts, or by screwing, clamping, welding, etc. by setting an additional adapter.

[0081] In order to ensure the reliability of the connection, at least three second connection ears 103 are provided at both ends of the floating body 100 along the first direction. The second connection ears 103 of different photovoltaic floating bodies are bolted together. By increasing the number of second connection ears 103, the connection points of the floating body 100 can be increased, thereby improving the reliability of the connection. In addition, the structure of multiple second connection ears 103 can effectively increase the ultimate tension of the anchoring point of the floating body 100, thereby reducing the construction volume of the floating array; at the same time, it can also improve the transmission effect of buoyancy between photovoltaic floating bodies and optimize the inclination angle difference of the module row.

[0082] The floating body 100 and the mounting boss 102 may be an integrated structure and may be integrally formed by injection molding or the like.

[0083] In some embodiments, in combination Figure 2 The photovoltaic floating body also includes a reinforcement member 200, the two ends of which are respectively bolted to the two opposite sides of the lightening hole 101, so as to further enhance the overall tensile strength of the photovoltaic floating body and enhance the stability of the photovoltaic system, and avoid deformation of the floating body 100 when the size is too large. Specifically, the reinforcement member 200 can be rod-shaped and extend in the first direction or other directions; the lightening hole 101 can be a closed structure or an open structure, and its shape is not limited to circular, semicircular and rectangular; combined Figure 1 and Fig.19 The opening position of the weight-reducing hole 101 is not limited to the middle position or the edge position of the floating body 100 .

[0084] Combination Fig.26 The photovoltaic system disclosed in the present invention includes the above-mentioned photovoltaic floating body, so it also has the above-mentioned structure and beneficial effects. Other structures refer to the prior art and will not be described here.

[0085] In a specific embodiment disclosed in the present invention, Fig. 27 A plurality of photovoltaic floating bodies are connected in sequence along a third direction to form a photovoltaic floating body column. A walkway floating body column is arranged between two adjacent photovoltaic floating body columns. The walkway floating body column is formed by a plurality of walkway floating bodies 400 arranged in sequence along the third direction.

[0086] To further optimize the solution, multiple photovoltaic float columns can be arranged between two adjacent walkway float columns to increase the installed capacity. In addition, a connecting float 500 can be set between two adjacent photovoltaic float columns to avoid obstruction caused by shadows of the front and rear rows of photovoltaic modules 300 when the photovoltaic system is working.

[0087] The above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the present invention. Various modifications to these embodiments will be apparent to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. The specific technical means in some embodiments can be combined in part or in whole into another embodiment without being explicitly excluded by another embodiment. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. A photovoltaic floating body, characterized in that: The floating body (100) comprises a floating body (100), wherein at least two weight-reducing holes (101) are provided on the floating body (100), and at least two groups of bracket mounting surfaces are provided on the floating body (100), wherein the bracket mounting surfaces are used to support at least two groups of photovoltaic modules (300).

2. The photovoltaic floating body according to claim 1, characterized in that: At least two groups of mounting bosses (102) are protrudingly provided on the floating body (100), and the side surfaces of each mounting boss (102) facing away from the floating body (100) serve as the bracket mounting surface.

3. The photovoltaic floating body according to claim 2, characterized in that: The mounting bosses (102) are three groups arranged at intervals along a first direction; Along the first direction, the bracket mounting surfaces on the middle group of mounting bosses (102) respectively form a mounting assembly with the bracket mounting surfaces on the other two groups of mounting bosses (102), and the two mounting assemblies respectively support at least one group of photovoltaic components (300).

4. The photovoltaic floating body according to claim 3, characterized in that: Along the first direction, the extension lengths of the three groups of mounting bosses (102) along the second direction decrease in sequence; Alternatively, along the first direction, the extension length of the middle group of mounting bosses (102) along the second direction is greater than the extension lengths of the other two groups of mounting bosses (102) along the second direction.

5. The photovoltaic floating body according to claim 2, characterized in that: The mounting bosses (102) are four groups arranged at intervals along the first direction, and are respectively a first boss, a second boss, a third boss and a fourth boss; The bracket mounting surfaces of the first boss and the second boss form a mounting assembly, and the bracket mounting surfaces of the third boss and the fourth boss form a mounting assembly, and the two mounting assemblies respectively support at least one group of photovoltaic components (300).

6. The photovoltaic floating body according to claim 5, characterized in that: The extension length of the first boss along the second direction is smaller than the extension length of the second boss along the second direction, and the extension length of the third boss along the second direction is smaller than the extension length of the fourth boss along the second direction; Alternatively, an extension length of the first boss along the second direction is smaller than an extension length of the second boss along the second direction, and an extension length of the fourth boss along the second direction is smaller than an extension length of the third boss along the second direction.

7. The photovoltaic floating body according to claim 1, characterized in that: The floating body (100) comprises at least two sub-bodies (110), each of the sub-bodies (110) is provided with a sub-body connecting portion, and each of the sub-bodies (110) is connected to each other via the sub-body connecting portion to form the floating body (100).

8. The photovoltaic floating body according to claim 7, characterized in that: The sub-body connection portion comprises at least one of a first connection ear (111) and a mounting groove (112), and the two sub-body connection portions are directly connected or indirectly connected via an adapter.

9. The photovoltaic floating body according to claim 1, characterized in that: At least three second connection ears (103) are provided at both ends of the floating body (100) along the first direction; And / or, the plurality of weight-reducing holes (101) are arranged at intervals along the first direction.

10. The photovoltaic floating body according to claim 2, characterized in that: The floating body (100) and the mounting boss (102) are an integrated structure and are integrally manufactured and formed.

11. The photovoltaic floating body according to claim 1, characterized in that: It also includes a reinforcement member (200), wherein two ends of the reinforcement member (200) are respectively connected to two opposite sides of the weight-reducing hole (101).

12. The photovoltaic floating body according to claim 1, characterized in that: The weight-reducing hole (101) is a closed structure or an open structure.

13. A photovoltaic system, characterized in that: Comprising the photovoltaic floating body as described in any one of claims 1-12.

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