Modular floating photovoltaic aquaculture platform for fish-light complementation

Abstract

The application discloses a modularized floating photovoltaic culture platform for fish-light complementation and relates to the technical field of fish-light complementation related equipment. The application comprises a photovoltaic assembly, the photovoltaic assembly is located directly above a floating cylinder assembly, a culture box assembly is arranged directly below the floating cylinder assembly, the floating cylinder assembly comprises a plurality of main floating blocks and a plurality of linkage floating blocks, a buffer is arranged between each main floating block and the adjacent linkage floating block, the buffer comprises two U-shaped plates and a spring arranged between the two U-shaped plates, a telescopic column is arranged directly below each main floating block at four end corners of the floating cylinder assembly, and a damping disc is arranged directly below each telescopic column. The application remarkably improves the wave resistance of the platform by the cooperation of the main floating blocks and the damping discs, guarantees the stable power generation of the photovoltaic assembly and the relative stability of the culture water environment, and simultaneously avoids rigid collision and reduces structural fatigue damage by the cooperation of the main floating blocks, the linkage floating blocks and the buffer.

Description

Technical Field

[0001] This invention belongs to the technical field of solar-aquaculture complementary equipment, and in particular relates to a modular floating photovoltaic aquaculture platform for solar-aquaculture complementary equipment. Background Technology

[0002] With the increasing global demand for renewable energy and the continued development of aquaculture, how to efficiently utilize limited water resources has become an important research topic. Against this backdrop, the solar-aquaculture complementary model has emerged and is gradually becoming a new industrial direction that combines ecological and economic benefits. Solar-aquaculture complementarity refers to installing photovoltaic modules above the aquaculture water surface for solar power generation while simultaneously conducting aquaculture activities below, thus achieving a three-dimensional spatial utilization model of "power generation above, fish farming below." This model not only effectively improves the comprehensive utilization efficiency of water resources but also improves the light and temperature conditions of the aquaculture water body through the shading effect of photovoltaic modules, helping to inhibit the excessive reproduction of harmful algae and providing a more suitable growth environment for aquatic organisms. Therefore, solar-aquaculture complementary systems have broad application prospects in lakes, reservoirs, and nearshore waters.

[0003] However, traditional aquaculture-solar hybrid systems mostly employ fixed pile foundation structures or simple floating platforms, which have revealed numerous technical problems in practical applications, limiting their promotion and long-term stable operation. While some existing floating platforms achieve buoyancy support to a certain extent, their wave resistance is generally insufficient, especially in open waters or areas with strong winds. Wave action causes the platform to violently rise and fall, affecting not only the power generation efficiency and safety of the photovoltaic modules but also disturbing the aquaculture water below, damaging the habitat of aquatic animals, and increasing aquaculture risks. Furthermore, existing platforms lack effective damping mechanisms, making it difficult to suppress the up-and-down movement caused by waves, resulting in poor platform stability and failing to provide a relatively stable working environment for photovoltaic modules and aquaculture. In addition, traditional floating platforms typically use rigid connections to combine multiple floating units, which are prone to frequent rigid collisions under wave action. Long-term operation can lead to structural fatigue damage, and even safety hazards such as connector breakage and floating unit detachment. Therefore, we provide a modular floating photovoltaic aquaculture platform for aquaculture-solar hybrid systems to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to provide a modular floating photovoltaic aquaculture platform for fishery-solar complementary systems. By using the main float and damping plate in combination, the platform’s wave resistance is significantly improved, ensuring stable power generation of photovoltaic modules and relative stability of the aquaculture water environment. At the same time, the use of the main float, linkage float and buffer components avoids rigid collisions and reduces structural fatigue damage.

[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: This invention relates to a modular floating photovoltaic aquaculture platform for fishery-solar complementary systems. It includes photovoltaic modules positioned directly above a floating pontoon assembly. A culture tank assembly is positioned directly below the floating pontoon assembly. The floating pontoon assembly includes multiple main floats and multiple linked floats. Each linked float is positioned between two adjacent main floats. A buffer is provided between each main float and adjacent linked float, comprising two sets of U-shaped plates and a spring positioned between the two sets of U-shaped plates. A telescopic column is positioned directly below each main float at one of the four corners of the floating pontoon assembly, and a damping disc is positioned directly below each telescopic column. The upper surface of each damping disc is bolted to an outer sleeve fitted onto the telescopic column. The culture tank assembly includes a tank body positioned below the main floats and a ring frame positioned above the main floats. The photovoltaic modules are bolted to the upper end of the ring frame.

[0006] The present invention is further configured such that each main float and linkage float has an annular groove on its peripheral wall, and an annular plate is sleeved on the periphery of each main float and linkage float located at each annular groove.

[0007] The invention is further configured such that each ring plate has an annular T-groove on its peripheral wall, and each ring plate has four sets of connecting ring seats evenly distributed in a ring along its periphery. The side wall of the ring plate to which each connecting ring seat is connected is fixed with a T-shaped block that slides in cooperation with the annular T-groove.

[0008] The invention is further configured such that each U-shaped plate is fitted onto a nearby connecting ring seat, and each U-shaped plate and the nearby connecting ring seat are connected by a nut via a screw.

[0009] The invention is further configured such that a waterproof sleeve is bolted between each of the two adjacent U-shaped plates, and a waterproof ring is provided between each end of the waterproof sleeve and the U-shaped plate, with each waterproof sleeve being fitted onto a corresponding spring.

[0010] The invention is further configured such that a locking plate is fixed to the upper end face of each telescopic column, and the locking plate is installed at the bottom end of the main float by bolts. Multiple sets of vertical holes are arranged in an array on the upper end face of the damping disk located outside the outer sleeve, and the vertical holes penetrate the lower end face of the damping disk.

[0011] The invention is further configured such that the upper end face of the outer sleeve is provided with an annular inner protrusion protruding towards the telescopic column, and the inner wall of the inner protrusion is slidably connected with the outer wall of the telescopic column; the lower end of the telescopic column is fixed with an outer protrusion protruding towards the outer sleeve, and the outer protrusion is slidably connected with the inner wall of the outer sleeve.

[0012] The invention is further configured such that an elastic strip is provided at the position between the outer protrusion and the inner protrusion, and the elastic strip is located between the outer sleeves, and the outer sleeve has a plurality of perforations arranged in an array along its periphery on its surface wall.

[0013] The invention is further configured such that each linked float has an assembly screw groove on its upper end face, and the lower end face of the ring frame is fixed with a connecting stud screw screwed into the assembly screw groove at the position corresponding to the linked float. Each linked float has a circular plate installed on its lower end face, and a hanging ring is fixed in the middle of the lower end of the circular plate.

[0014] The invention is further configured such that mounting strips are fixed at the four corners of the inner wall of the ring frame, and each mounting strip is fixedly connected to the upper end face of the box.

[0015] The present invention has the following beneficial effects: 1. This invention uses telescopic columns located below the four main floats in conjunction with damping discs to effectively suppress the platform's violent undulations in waves through the water resistance effect. The vertical holes on the damping discs generate local high-pressure zones when water flows through them, forming downward or upward resistance, which slows down the rise and fall of the main floats, significantly improving the platform's wave resistance and ensuring stable power generation of photovoltaic modules and a relatively stable aquatic environment for aquaculture.

[0016] 2. This invention features a buffer component consisting of a U-shaped plate and a spring between the main float and the linkage float, with a waterproof sleeve to prevent spring corrosion. When waves cause the float to move up and down, the buffer component can absorb the impact force generated by the relative displacement, avoiding rigid collisions and reducing structural fatigue damage. The waterproof sleeve and waterproof ring further enhance the durability of the buffer component in humid environments, ensuring that the platform maintains structural integrity and operational stability during long-term use.

[0017] Of course, any product implementing this invention does not necessarily need to achieve all of the above advantages at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the present invention.

[0020] Figure 2 This is a structural assembly diagram of the float assembly and the aquaculture box assembly in this invention.

[0021] Figure 3This is a top view of the structure of the pontoon assembly in this invention.

[0022] Figure 4 This is a bottom view of the structure of the pontoon assembly in this invention.

[0023] Figure 5 This is a structural assembly diagram of the main float, damping disk, outer sleeve, and connecting ring seat in this invention.

[0024] Figure 6 This is an exploded view of the main float, damping disc, outer sleeve, connecting ring seat, and telescopic column in this invention.

[0025] Figure 7 This is a cross-sectional view of the main float, damping disc, outer sleeve, connecting ring seat, and telescopic column in this invention.

[0026] Figure 8 This is a three-dimensional view of the buffer component in this invention.

[0027] Figure 9 This is a cross-sectional view of the buffer component in this invention.

[0028] The attached diagram lists the components represented by each number as follows: 100. Photovoltaic modules; 200. Float assembly; 201. Main float; 202. Linkage float; 202a. Assembly screw groove; 202b. Circular plate; 202c. Hanging ring; 203. Buffer component; 203a. Waterproof sleeve; 203b. U-shaped plate; 203c. Screw; 203d. Spring; 204. Damping disc; 204a. Vertical hole; 205. Outer sleeve; 205a. Leakage hole; 205b. Inner protrusion; 206. Connecting ring seat; 206a. T-block; 207. Telescopic column; 207a. Outer protrusion; 207b. Elastic strip; 207c. Locking plate; 208. Ring groove; 209. Ring plate; 209a. Annular T-groove; 300. Breeding box components; 301. Box body; 302. Ring frame; 303. Connecting studs; 304. Mounting strips. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Please see Figures 1 to 4This invention relates to a modular floating photovoltaic aquaculture platform for fisheries-solar complementary farming, comprising a photovoltaic module 100. The photovoltaic module 100 generates electricity using solar energy, achieving fisheries-solar complementary farming by generating electricity above the aquaculture water surface while aquaculture occurs below, thereby improving the comprehensive utilization efficiency of the water area. The photovoltaic module 100 is located directly above a floating pontoon assembly 200, and an aquaculture box assembly 300 is located directly below the floating pontoon assembly 200. The floating pontoon assembly 200 includes multiple main floats 201 and multiple linked floats 202. The main floats 201 are located at the four corners, and the linked floats 202 are located between the main floats 201, thus forming a modular buoyancy unit to provide buoyancy support. The modular design facilitates transportation, installation, and expansion. Each linked float 202 is positioned between every two adjacent main floats 201. A buffer 203 is provided between each main float 201 and each adjacent linked float 202 to buffer and prevent... The direct collision between the main float 201 and the linked float 202 is mitigated by a buffer 203 comprising two sets of U-shaped plates 203b and a spring 203d positioned between them. A telescopic column 207 is positioned directly below each of the four corners of the float assembly 200, and a damping disc 204 is positioned directly below each telescopic column 207. The damping disc 204 reduces the undulation amplitude of the main float 201 through water resistance, thereby improving platform stability. Each damping disc 204 has an outer sleeve 205 bolted to the upper end face of the telescopic column 207. The cooperation between the telescopic column 207 and the outer sleeve 205 allows the main float 201 to move up and down and limits the range of motion of the main float 201. The breeding box assembly 300 includes a box body 301 located below the main float 201 and a ring frame 302 located above the main float 201, wherein the photovoltaic module 100 is bolted to the upper end of the ring frame 302.

[0031] It should be noted that the various mechanical equipment used in the aquaculture platform are installed at the upper end of the main float 201, which is located in the middle.

[0032] Furthermore, each linked float 202 has an assembly screw groove 202a on its upper end face. A connecting stud 303, screwed into the assembly screw groove 202a, is fixed to the lower end face of the ring frame 302 at the corresponding position of the linked float 202. A circular plate 202b is installed on the lower end face of each linked float 202. A hanging ring 202c is fixed to the middle of the lower end of each circular plate 202b. Installation strips 304 are fixed to the four corners of the inner wall of the ring frame 302, and each installation strip 304 is fixedly connected to the upper end face of the box body 301. To stabilize the position of the aquaculture platform, anchor chains can be installed on the hanging rings 202c. The anchor chains pull on the linked floats 202, improving the positional stability of the linked floats 202. Example 1, please refer to Figure 6 , Figure 8 and Figure 9 Each main float 201 and linkage float 202 has an annular groove 208 on its peripheral wall. An annular plate 209 is fitted around the main float 201 and linkage float 202 at each annular groove 208. Each annular plate 209 has an annular T-groove 209a on its peripheral wall. Each annular plate 209 has four sets of connecting ring seats 206 evenly distributed in a ring along its periphery. Through the cooperation of the connecting ring seats 206 and the annular plates 209, a flexible connection is achieved between the main float 201 and linkage float 202, allowing for a certain degree of relative positional variation. This improves the platform's adaptability. Each connecting ring seat 206 is connected to a ring plate 209 whose side wall is fixed with a T-shaped block 206a that slides in cooperation with the annular T-groove 209a. Each U-shaped plate 203b is fitted onto the adjacent connecting ring seat 206, and each U-shaped plate 203b and the adjacent connecting ring seat 206 are connected by a screw 203c. Since the T-shaped block 206a can slide circumferentially in the annular T-groove 209a, the position of the connecting ring seat 206 on the main float 201 and the linkage float 202 can be adjusted.

[0033] Each of the two adjacent U-shaped plates 203b is bolted with a waterproof sleeve 203a, and waterproof rings are provided between the two ends of the waterproof sleeve 203a and the U-shaped plate 203b. Each waterproof sleeve 203a is fitted onto the corresponding spring 203d. The waterproof sleeve 203a serves to waterproof the spring 203d and prevent the spring 203d from being corroded.

[0034] The operation process of this embodiment is as follows: When there are waves at sea, the main float 201 and the linked float 202 will float up and down according to the waves, which will cause the main float 201 and the linked float 202 to move relative to each other or away from each other. Since the spring 203d is located between the two U-shaped plates 203b, the spring 203d will buffer and isolate the main float 201 and the linked float 202, thus avoiding collision between the main float 201 and the linked float 202. Example 2, please refer to Figure 5 , Figure 6 and Figure 7Each telescopic column 207 has a locking plate 207c fixed to its upper end face, and the locking plates 207c are all bolted to the bottom end of the main float 201. Multiple sets of vertical holes 204a are arranged in an array on the upper end face of the damping disc 204 located around the outer sleeve 205, and the vertical holes 204a penetrate the lower end face of the damping disc 204. The upper end face of the outer sleeve 205 is provided with an annular inner protrusion 205b protruding towards the telescopic column 207, and the inner wall of the inner protrusion 205b is slidably connected to the outer wall of the telescopic column 207. The lower end of the telescopic column 207 is fixed with an outer protrusion 207a protruding towards the outer sleeve 205, and the outer protrusion 207a is slidably connected to the inner wall of the outer sleeve 205. An elastic strip 2 is provided between the outer protrusion 207a and the inner protrusion 205b. 07b, and the elastic strip 207b is positioned between the outer sleeve 205. The outer sleeve 205 has multiple perforations 205a arranged in an array along its periphery. Through the cooperation of the inner protrusion 205b and the outer protrusion 207a, and with the elastic strip 207b positioned between them, when the damping disk 204 moves downward and the main float 201 moves upward, the damping disk 204 drives the inner protrusion 205b to move downward, and the main float 201 drives the inner protrusion 205b to move upward, thereby compressing the elastic strip 207b. When the sea surface is calm, the elastic strip 207b returns to its original position and controls the main float 201 and the damping disk 204 to return to their original positions. The perforations 205a ensure the airflow inside the outer sleeve 205 and prevent the air from being compressed.

[0035] The operation process of this embodiment is as follows: When waves are present, the main float 201 will float up and down with the waves, thereby driving the outer sleeve 205 and the telescopic column 207 to move upward. Since the outer sleeve 205 will drive the damping disk 204 to move upward, the water above the damping disk 204 will be displaced. As a result, the water will move to the lower position of the damping disk, and through the vertical hole 204a opened at the upper end of the damping disk 204, the displaced water will flow downward from the position of the vertical hole 204a. Because the aperture of orifice 204a is too narrow, when the cross-sectional area suddenly decreases, the water flow velocity through the vertical orifice 204a will increase. This causes the water flow to slow down and accumulate above the damping disc 204, creating a localized high-pressure zone at the upper end of the damping disc 204. This causes the damping disc 204 to tend to move downwards. Consequently, the damping disc 204, through the elastic strip 207b and the outer sleeve 205, pulls the telescopic column 207, thereby pulling the main float 201 and controlling its movement to prevent it from rising excessively with the waves. The operation process of this invention is as follows: the photovoltaic module 100 is installed at the top to absorb solar energy and convert it into electrical energy, realizing the "photovoltaic conversion" function; the float assembly 200 serves as an intermediate support structure, providing overall buoyancy so that the platform can float on the water surface; the aquaculture box assembly 300 is suspended below the float and submerged in the water for aquaculture. The three components are organically combined through modular design to realize the "light above, fishing below" complementary solar-aquaculture mode, maximizing the utilization of water space. The float assembly 200 consists of multiple main floats 201 and linked floats 202. The main floats 201 are located at the four corners, and the linked floats 202 are located in the middle, forming a modular buoyancy unit. This structure facilitates transportation, installation and expansion. Each main float 201 is connected to the adjacent linked float 202 through a buffer 203. The buffer 203 consists of two sets of U-shaped plates 203b and a spring 203d in the middle. It is covered with a waterproof sleeve 203a to prevent the spring 203d from corroding. When the water waves cause the float to move up and down, the main float 201 and the linkage float 202 will have relative displacement. At this time, the spring 203d plays a buffering and isolation role to avoid rigid collisions, while allowing a certain degree of relative movement, improving the platform's adaptability to waves. The U-shaped plate 203b is connected to the ring plate 209 through the connecting ring seat 206. The annular T-groove 209a on the ring plate 209 cooperates with the T-shaped block 206a, so that the connecting ring seat 206 can slide circumferentially on the ring plate 209, further enhancing the flexibility and adjustability of the connection. Meanwhile, to prevent the platform from violently bobbing in the waves, which could affect the photovoltaic power generation efficiency and the stability of aquaculture, a damping system is installed below the main floats 201 at the four corners of the platform. When the waves cause the main floats 201 to rise, they drive the telescopic columns 207 and the outer sleeve 205 to move upwards, and the damping disk 204 also rises accordingly. Multiple vertical holes 204a are provided on the upper surface of the damping disk 204. When the damping disk 204 rises, the water above it is compressed, and the water flow can only flow downwards through the narrow vertical holes 204a, forming a local high-pressure zone, thus generating downward resistance and inhibiting the rise of the main floats 201. Conversely, when the main floats 201 sink, the water below the damping disk 204 is compressed, and the water flow also flows upwards through the vertical holes 204a, generating upward resistance and slowing down the sinking speed. This "water resistance effect" effectively reduces the platform's fluctuation amplitude and speed. When the main float 201 moves up and down, the inner protrusion 205b and the outer protrusion 207a move relative to each other, compressing or releasing the elastic strip 207b, which further plays a role in buffering and resetting. The leakage hole 205a on the outer sleeve 205 ensures the internal gas flow and avoids air pressure interference. In summary, in practical applications, the platform floats on the water surface, and the photovoltaic modules 100 absorb solar energy to generate electricity for the platform itself or for grid connection. The aquaculture tanks are submerged in the water for the cultivation of fish or other aquatic products. When waves cause water surface fluctuations, the float assembly 200 absorbs the relative movement between the floats through the buffer 203, while the damping system suppresses the undulation of the main float 201 through the water resistance effect, ensuring the overall stability of the platform. The modular design allows the platform to be flexibly expanded or adjusted according to the water area and aquaculture needs, making it suitable for various aquatic environments such as lakes, reservoirs, and nearshore areas.

[0036] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0037] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming, characterized in that: The system includes a photovoltaic module (100), which is located directly above a float assembly (200), and a breeding box assembly (300) is located directly below the float assembly (200). The float assembly (200) includes multiple main floats (201) and multiple linked floats (202). Each linked float (202) is located between two adjacent main floats (201). A buffer (203) is provided between each main float (201) and the adjacent linked float (202). The buffer (203) includes two sets of U-shaped plates (203b) and a spring (203d) located between the two sets of U-shaped plates (203b). A telescopic column (207) is provided directly below each main float (201) located at the four corners of the float assembly (200), and a damping disc (204) is provided directly below each telescopic column (207). The upper end face of each damping disc (204) is bolted to an outer sleeve (205) sleeved on the telescopic column (207). The aquaculture box assembly (300) includes a box body (301) located below the main float (201) and a ring frame (302) located above the main float (201), wherein the photovoltaic module (100) is bolted to the upper end of the ring frame (302).

2. The modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 1, characterized in that, Each of the main floats (201) and the linkage floats (202) has an annular groove (208) on its peripheral wall, and an annular plate (209) is fitted around the main float (201) and the linkage float (202) located at each annular groove (208).

3. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 2, characterized in that, Each of the ring plates (209) has an annular T-groove (209a) on its peripheral wall. Each of the ring plates (209) has four sets of connecting ring seats (206) evenly distributed in a ring along its periphery. Each of the ring plates (209) to which the connecting ring seat (206) is connected has a T-shaped block (206a) fixed on its side wall for sliding cooperation with the annular T-groove (209a).

4. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 3, characterized in that, Each of the U-shaped plates (203b) is fitted onto the adjacent connecting ring seat (206), and each U-shaped plate (203b) and the adjacent connecting ring seat (206) are connected by a nut via a screw (203c).

5. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 1, characterized in that, A waterproof sleeve (203a) is bolted between each of the two adjacent U-shaped plates (203b), and a waterproof ring is provided between the two ends of the waterproof sleeve (203a) and the U-shaped plate (203b). Each of the waterproof sleeves (203a) is respectively fitted onto the corresponding spring (203d).

6. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 1, characterized in that, Each of the telescopic columns (207) has a locking plate (207c) fixed on its upper end face, and the locking plates (207c) are all bolted to the bottom end of the main float (201). The upper end face of the damping disc (204) located outside the outer sleeve (205) has multiple sets of vertical holes (204a) arranged in an array, and the vertical holes (204a) penetrate the lower end face of the damping disc (204).

7. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 6, characterized in that, The upper end face of the outer sleeve (205) is provided with an annular inner protrusion (205b) that protrudes toward the telescopic column (207), and the inner wall of the inner protrusion (205b) is slidably connected with the outer wall of the telescopic column (207). The lower end of the telescopic column (207) is fixed with an outer protrusion (207a) that protrudes toward the outer sleeve (205), and the outer protrusion (207a) is slidably connected with the inner wall of the outer sleeve (205).

8. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 7, characterized in that, An elastic strip (207b) is provided at a position between the outer protrusion (207a) and the inner protrusion (205b), and the elastic strip (207b) is located between the outer sleeve (205). The outer sleeve (205) has a plurality of perforations (205a) arranged in an array along its periphery on its surface wall.

9. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 1, characterized in that, Each of the linked floats (202) has an assembly screw groove (202a) on its upper end face. The lower end face of the ring frame (302) is fixed with a connecting stud (303) screwed into the assembly screw groove (202a) at the position corresponding to the linked float (202). Each of the linked floats (202) has a circular plate (202b) installed on its lower end face. A hanging ring (202c) is fixed in the middle of the lower end of the circular plate (202b).

10. A modular floating photovoltaic aquaculture platform for fishery-solar complementary farming as described in claim 9, characterized in that, The four corners of the inner wall of the ring frame (302) are fixed with mounting strips (304), and each mounting strip (304) is fixedly connected to the upper surface of the box (301).

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