A long-term observation platform for an efficient artificial fish reef area

Abstract

The present invention discloses an efficient long-term observation platform for artificial fish reef areas, belonging to the technical field of marine aquaculture, comprising: an observation component and a plurality of fish reefs. The observation component includes a counterweight, a buoy, a camera, and a pulley block. The buoy is connected to the counterweight and the fish reefs through the pulley block. The fish reef component includes a base body. Above the base body, there are a first reef body, a second reef body, and a sleeve. The upper and lower sections of the sleeve are respectively provided with air holes and circulation holes. A buffer is arranged at the bottom of the base body. The buffer includes an airbag plate and a liquid storage bladder. A flow guiding member is rotatably connected to the sleeve. The present invention can realize the synchronous placement and real-time monitoring of multiple fish reefs at the bottom of the water, and at the same time form a natural bionic environment and water layer exchange, improve the aggregation effect and the overall service life, and increase the economic benefits.

Description

Technical Field

[0001] The present invention belongs to the technical field of marine aquaculture, and particularly relates to a long-term observation platform for an efficient artificial fish reef area. Background Art

[0002] With the development of society, the population is increasing day by day, and the living standards are constantly improving. People's demand for marine organisms, especially fish, is growing continuously, which has promoted the development of marine fisheries and also made artificial fish reefs be emphasized and applied. An artificial fish reef refers to a fishery engineering facility specially constructed in waters where fish migrate through, with suitable natural conditions and without hindering other operations. The purpose of artificial fish reefs is to improve the ecological environment of waters, attract the aggregation, reproduction or foraging growth of fish, so as to form a stable fishing ground. In addition, there are also artificial fish reefs specially set up to protect fish resources, cultivate larvae or induce fish schools to swim directionally.

[0003] When the existing artificial fish reefs are put into the seabed, their stability is poor, and they are easily affected by ocean currents and slide away from the preset position, which is not conducive to the formation of fish reef groups. Moreover, after most fish reefs are put into the water, professional underwater operations are required to inspect and maintain them, which is not conducive to onshore personnel to observe and obtain relevant information in a timely manner. In order to expand the fish aggregation effect, large-scale and large-volume fish reefs are usually used for placement, but there are problems of large transportation and placement difficulties, and it is not easy to achieve accurate positioning and placement.

[0004] The US patent with publication number US20190335720A1 discloses a cage culture device. The invention includes a buoy floating on the sea surface; a central structure configured to be located on the seabed and connected to the buoy by a lifting rope; a floating device installed around the lifting rope; an auxiliary structure configured to be located on the seabed surface and spaced apart from the central structure; a cage net located above the auxiliary structure and connected to the floating device by a connecting rope; pulleys formed on the central structure and the auxiliary structure and configured to guide the movement of the connecting rope. The floating device selectively rises and falls between the buoy on the sea surface and the seabed surface, so that the net cage can be easily lifted to the sea surface through the floating device underwater, and it can realize simple and easy collection and transportation of the adult fish in the net cage, and can effectively sink in response to climate change or seawater temperature change. However, when this invention sinks, it is easy to cause water flow impact on the seabed ground and cause collapse, and it will have an impact on the terrain and marine ecological environment after multiple sinkings. Summary of the Invention

[0005] The purpose of the present invention is to provide a stable, easy-to-deploy, and efficient long-term observation platform for an artificial fish reef area that can achieve real-time observation.

[0006] The technical solution adopted by the present invention to achieve the above purpose is as follows:

[0007] An efficient long-term observation platform for artificial fish reef areas, comprising: an observation component and a plurality of fish reefs. The observation component includes a counterweight. A buoy is provided above the counterweight, and a plurality of pulley groups connecting the buoy and the fish reefs are provided at the bottom of the counterweight. When the observation component is put in, the counterweight dives by gravity, and the buoy floats on the water surface for accurate placement and discovery and recovery. The sinking of the counterweight drives a plurality of fish reefs connected thereto to sink synchronously through the pulley groups, realizing the layout of a plurality of fish reefs. While improving the fish aggregation effect, it avoids the possibility that a plurality of fish reefs collide and deviate on the seabed due to sequential placement, reduces the impact wear, and thus improves the recovery and utilization rate.

[0008] Preferably, the fish reef includes a base body. A first reef body and a second reef body with side wall openings are coaxially arranged above the base body. The first reef body and the second reef body are coaxially connected to the same sleeve inside. Fish schools enter the first reef body and the second reef body through the opened holes for breeding and inhabiting. The first reef body and the second reef body arranged in upper and lower layers and the inner sleeve are beneficial for fish in different water layers to live in groups, reducing the probability of small fish being eaten and stressed, and are beneficial for improving biodiversity to ensure the reproduction efficiency of various fish.

[0009] Preferably, the bottom of the sleeve is fixed to the inner bottom of the base body. The wall of the sleeve is provided with air holes communicating with the first reef body, and the wall of the sleeve is also provided with flow holes communicating with the second reef body. The upper layer of water enters the sleeve and flows out through the flow holes and the air holes, realizing the water exchange between the upper layer of water and the first reef body and the second reef body. It is beneficial for fish in deep waters to obtain plankton in the upper layer and artificially fed bait, improving the vitality of fish in deep waters and thus expanding the economic value. The upper layer of water will flow through the second reef body, and when the water in the second reef body passes through the flow holes, it can carry the feces and residues inside into the sleeve and then discharge them from the air holes, preventing the internal water from becoming turbid and causing the fish school to no longer approach or the vitality to decrease.

[0010] Preferably, a partition is fixed to the inner wall of the sleeve. The partition is located above the flow hole, and the wall of the sleeve above the partition is provided with a sieve opening communicating with the second reef body. Small fish schools can enter the inside of the sleeve above the partition through the sieve opening for spawning and fry hatching, forming a double-layer protection for the fry and fish eggs, reducing the swallowing of fish eggs and fish fry by large fish or other marine organisms, resulting in ecological imbalance and reduced production capacity.

[0011] Preferably, sponge columns are arranged in a ring on the inner wall of the sleeve above the sieve opening, and gaps are formed between adjacent sponge columns. The sponge columns can effectively adsorb stains in the water, improving the water conditions for the growth of fry and the hatching of fish eggs. The gaps between adjacent sponge columns are conducive to the attachment of fish eggs, reducing the probability of fish eggs being carried away by the sea current impact and further improving the production capacity.

[0012] Preferably, a buffer is provided below the base, and the buffer includes a bottom plate, an airbag plate is fixed to the upper surface of the bottom plate, and a plurality of clamping columns that can slide relative to the base are fixed to the airbag plate. When the fish reef sinks to the bottom, the bottom plate first contacts the seabed, and the base continues to move downward due to inertia. The clamping columns slide in the base until the base contacts and squeezes the airbag plate. The water between the base and the airbag plate and the compressed deformation of the airbag plate are used to buffer the impact of the fall, thereby reducing the impact on the seabed and the probability of the fish reef as a whole sliding. At the same time, the base and the reef above are also protected, which is conducive to reducing the maintenance cost after recovery.

[0013] Preferably, a plurality of liquid storage bags are buried downward on the upper end surface of the airbag plate, and a plurality of mud plates are also arranged at intervals on the upper end surface of the airbag plate. The liquid storage bags are filled with seaweed culture solution. The center of the upper end of the liquid storage bags is opened and a rubber diaphragm is provided. The rubber diaphragm is provided with a drainage port, and the drainage port is located in the gap between adjacent mud plates. When the base moves downward due to inertia, it squeezes the airbag plate through the mud plate. The airbag plate is pressed against the liquid storage bag, causing the culture solution in multiple liquid storage bags to spray out. Part of the culture solution is absorbed by the mud plate, and part of it flows rapidly along the small gaps of adjacent mud plates, and diffuses outward from the center to the outer edge of the bottom plate, causing seaweed to grow on the mud plate and around the bottom plate. On the one hand, it forms a habitat for fish and accelerates the breeding and aggregation of fish. On the other hand, the seaweed formed on the ground beside the bottom plate can block the bottom plate, which can reduce the probability of the fish reef as a whole being impacted by the ocean current and slip, ensuring the aggregation effect, and at the same time reduce the wear and corrosion of the airbag plate by the seabed water current, reduce maintenance costs and protect the marine environment. The residues and debris discharged from the aeration holes can also be effectively decomposed by the surrounding seaweed quickly, forming high-quality water quality around the fish reef and attracting fish.

[0014] Preferably, a guide plate is fixed on the outer edge of the upper end of the second reef body. When the upper water body impacts the second reef body, it is guided by the guide plate, which reduces the overall shaking of the fish reef and reduces the probability of stress of the internal fish school.

[0015] Preferably, a flow guide member is provided above the second reef body. The flow guide member includes a bearing. The inner ring of the bearing is fixed to the outer side of the top of the sleeve, and a clamping ring is fixed to the outer ring of the bearing. The clamping ring is arranged and fixed around the side, and a flow guide frame is fixed. A partition net is arranged inside the flow guide frame. The sea surface water flow is relatively rapid under the influence of strong winds. When the water flow acts on the flow guide member, the flow guide frame drives the outer ring of the bearing to rotate relative to the sleeve through the clamping ring, thereby eliminating part of the water body impact. On the one hand, it reduces the overall shaking and sliding of the fish reef. On the other hand, it eliminates the lateral water energy to keep the observation assembly stable, which is beneficial to realizing long-term and stable observation and protecting related components, and improving the service life. The rotation of the flow guide frame generates a swirling water flow and quickly flows downward from the sleeve and the second reef body, which is beneficial to accelerating the water flow passing through the aeration pipe to form fine bubbles, realizing oxygenation of the deep water area and downward transmission of the temperature of the upper water area, and can also accelerate the discharge of the upper bait and residues, which is beneficial to the growth and aggregation of fish schools. There is low pressure at the upper swirling flow area, and the bubbles generated by the aeration holes below will quickly rise and adhere to the partition net. On the one hand, it is beneficial to refract the light above the sea surface through the bubbles, so that the bottom seaweed and fish schools can obtain light and accelerate breeding. On the other hand, after the bubbles burst, they can interfere with the vision of seabirds, reduce the seabirds' detection of fish schools and diving to prey, causing the fish schools to be frightened away and damage to the device. At the same time, when the whole device sinks, while the partition net allows the water body to pass through, the flow guide frame rotates to buffer the impact of the lateral water flow, which can improve the verticality of the device sinking and reduce the probability of the fish reefs colliding and toppling each other during the sinking process due to lateral movement.

[0016] Preferably, the pulley block includes a fixed pulley and a rope. The fixed pulley is fixed above the bottom of the counterweight. One end of the rope is connected to the bottom of the buoy, and the other end passes through the fixed pulley and is connected to the base. A camera and a plurality of warning lights are fixed to the bottom of the buoy. As the counterweight sinks rapidly, the axial distance from the buoy increases rapidly, and the ropes at multiple points contract synchronously on the fixed pulley, causing each base to approach the counterweight synchronously until the fish reef and the counterweight sink to the bottom, realizing the accurate placement of multiple fish reefs at the desired location, improving the fish aggregation effect. After sinking to the bottom, the fish reefs arranged around the counterweight limit the buoy laterally through the ropes, reducing the shaking amplitude of the buoy, ensuring that the camera can stably monitor the conditions of the fish schools below in real time. The warning lights supplement the light source to improve the shooting clarity and drive away large organisms to avoid their attachment and blocking of the camera.

[0017] Due to the adoption of a synchronous placement and monitoring of an observation component and multiple fish reefs in the present invention, the following beneficial effects are achieved: when placing the counterweight, multiple fish reefs are synchronously placed on the bottom and gather towards the center, which not only forms a movement restriction on the buoy to improve the stability of camera monitoring, but also avoids the impact wear caused by multiple placements, reducing the maintenance cost; the fish reef includes a first reef body and a second reef body arranged at intervals, realizing the hierarchical cohabitation of fish groups in different water layers, reducing the possibility of small fish being preyed on or stressed, and ensuring the aggregation effect; the casing realizes the exchange of upper and lower as well as inner and outer water layers, which is beneficial for the bottom fish groups to obtain plankton and bait in the upper layer for feeding, improving vitality and expanding the economic output value; the relative sliding of the base body and the airbag plate can squeeze the water body, and at the same time, the deformation of the airbag plate itself can slow down the impact of the fish reef on the seabed ground when it sinks to the bottom, reducing the probability of the fish reef sliding on the seabed; when the fish reef sinks to the bottom, the culture solution in the liquid storage tank flows out to the mud plate and the outside of the bottom plate when the airbag plate is pressed, forming an ecological environment to attract fish groups, and at the same time forming a limit on the bottom plate, further reducing the probability of displacement, and can relatively protect the components through the growing seaweed, reducing the wear rate and increasing the service life; the rotation of the flow guiding frame relieves the lateral impact, maintains the stability of the fish reef and prevents fish groups from being stressed, and at the same time forms a swirling flow to accelerate the exchange of temperature, water flow and oxygen in the upper and lower water layers to improve the water environment quality and promote the aggregation of fish groups; the bottom air holes generate bubbles that adhere to the partition net to form an occlusion of the line of sight of non-birds, protecting the fish groups and the fish reef. Therefore, the present invention is a stable, easy-to-deploy and efficient long-term observation platform for artificial fish reef areas that can achieve real-time observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the connection between the observation component and the fish reef;

[0019] Figure 2 Schematic diagram of the observation component;

[0020] Figure 3 Schematic diagram of the fish reef;

[0021] Figure 4 Semi-sectional view of the fish reef;

[0022] Figure 5 Semi-sectional view of the base body;

[0023] Figure 6 Schematic diagram of the position of the liquid storage bladder;

[0024] Figure 7 Schematic diagram of the structure of the liquid storage bladder;

[0025] Figure 8 Schematic diagram of the mud plate;

[0026] Figure 9 Schematic diagram of the flow guiding member;

[0027] Figure 10 Schematic diagram of the position of the bearing;

[0028] Figure 11 This is a schematic diagram of the data transmission process of the present invention.

[0029] Reference numerals in the drawings: Observation assembly 1; Counterweight 10; Buoy 11; Camera 12; Warning light 13; Pulley block 2; Fixed pulley 20; Rope 21; Circular plate 22; Artificial reef 3; Substrate 30; First reef body 31; Second reef body 32; Sleeve 4; Aeration hole 40; Flow hole 41; Partition plate 42; Sieve opening 43; Sponge column 5; Buffer member 6; Bottom plate 60; Airbag plate 61; Clamping column 62; Mud plate 63; Liquid storage bladder 7; Rubber diaphragm 70; Drain port 71; Deflector 8; Deflecting member 9; Bearing 90; Clamping ring 91; Deflecting frame 92; Partition net 93. Detailed implementation manners

[0030] The technical solution of the present invention will be further described in detail below in conjunction with the detailed implementation manners and the drawings:

[0031] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] Refer to the attached Figure 1 - The attached Figure 2 , an efficient long-term observation platform for the artificial reef area 3, comprising: an observation assembly 1 and a plurality of artificial reefs 3, the plurality of artificial reefs 3 are arranged around the observation assembly 1, the observation assembly 1 includes a counterweight 10, a buoy 11 is arranged above the counterweight 10, a plurality of pulley blocks 2 are arranged at the bottom of the counterweight 10, one end of each of the plurality of pulley blocks 2 is connected to the bottom of the buoy 11, and the other end is connected to the bottom of the artificial reef 3 on the same side.

[0033] Refer to the attached Figure 3 , the artificial reef 3 includes a substrate 30, a first reef body 31 and a second reef body 32 with side walls opened are coaxially arranged above the substrate 30, and the first reef body 31 and the second reef body 32 are coaxially connected to the same sleeve 4 inside. Fish enter the first reef body 31 and the second reef body 32 through the opened holes for breeding and inhabiting. The first reef body 31 and the second reef body 32 arranged in upper and lower layers separated are conducive to different water layer fish living in groups, reducing the probability of small fish being eaten and stressed, and being beneficial to improving biodiversity to ensure the breeding efficiency of various fish.

[0034] The pulley block 2 includes a fixed pulley 20 and a rope 21. The fixed pulley 20 is fixed above the bottom of the counterweight 10. One end of the rope 21 is fixedly connected to the bottom of the buoy 11, and the other end passes through the fixed pulley 20 and is fixedly connected to the substrate 30 on the same side. A camera 12 and a plurality of warning lights 13 are fixed to the bottom of the buoy 11.

[0035] When deploying, the observation component 1 is deployed first. The counterweight 10 quickly dives downward by gravity, and the buoy 11 remains floating on the water surface for precise deployment and easy discovery and recovery. The axial distance between the counterweight 10 and the buoy 11 rapidly increases as the counterweight 10 sinks quickly. Multiple ropes 21 roll on the fixed pulley 20, causing the ropes 21 above the fixed pulley 20 to extend rapidly, while the ropes 21 connecting the side of the fixed pulley 20 to the base 30 shorten rapidly, causing each fish reef 3 to approach the counterweight 10 synchronously as the counterweight 10 sinks until the counterweight 10 and the fish reef 3 reach the bottom. On the one hand, it realizes the accurate deployment of multiple fish reefs 3 at the desired location, which is beneficial to improving the fish aggregation effect. On the other hand, the synchronous approach of multiple fish reefs 3 reduces the probability of collision during their sinking, and reduces the probability that the fish reef 3 topples when it reaches the bottom, resulting in a significant reduction in the fish aggregation effect of the fish reef 3. After the fish reef 3 reaches the bottom, the ropes 21 connected by the base 30 limit the buoy 11 in all directions, reducing the swaying amplitude of the buoy 11, ensuring that the camera 12 can stably monitor the conditions of the fish groups below in real time. The warning light 13 supplements the light source to improve the shooting clarity and drives away large organisms to prevent them from attaching and blocking the camera 12.

[0036] A circular plate 22 is provided below the camera 12. The circular plate 22 is arranged parallel to the upper end surface of the counterweight 10 with a spacing. The circular plate helps to keep the multiple ropes sliding synchronously, which is beneficial to further reducing the possibility of the fish reefs 3 hitting each other and further improving the positioning effect.

[0037] See Appendix Figure 11 The observation component 1 is also connected to an underwater acoustic transducer, an analog-to-digital converter, a microprocessing unit, and a display and control terminal. The underwater acoustic converter is arranged inside the counterweight 10 to transmit ultrasonic waves into the water and receive the echo reflection signals of the fish groups; the analog-to-digital converter is used to convert the echo transmission signals into digital signals; the microprocessing unit processes the received digital signals, integrates and calculates them in cooperation with the image information collected by the camera 12, and displays the results on the display and control terminal to realize the remote observation and data analysis of the underwater fish groups.

[0038] See Appendix Figure 4 The bottom of the sleeve 4 is fixed to the inner bottom surface of the base 30. The top of the sleeve 4 is open. An air vent hole 40 communicating with the first reef body 31 is provided on the side wall of the bottom of the sleeve 4, and a circulation hole 41 communicating with the second reef body 32 is provided on the side wall of the middle of the sleeve 4. The upper layer of water enters the sleeve 4 and flows out through the circulation hole 41 and the air vent hole 40 to realize the water exchange with the first reef body 31 and the second reef body 32, which is beneficial for the fish in the deep water area to obtain the plankton in the upper layer and the artificially fed bait, improving the vitality of the fish in the deep water area and thus expanding the economic value. The upper layer of water will flow through the second reef body 32. When the water in the second reef body 32 passes through the circulation hole 41, it can carry the fish feces or residues inside into the sleeve 4 and then discharge them from the air vent hole 40, preventing the internal water body from being too turbid, resulting in the fish group no longer approaching the reef body or the vitality decreasing.

[0039] A partition plate 42 is fixed to the inner wall of the casing 4. The partition plate 42 is located above the circulation hole 41. A sieve opening 43 communicating with the second reef body 32 is formed in the wall body of the casing 4 above the partition plate 42. Small fish schools can enter the inside of the casing 4 above the partition plate 42 through the sieve opening 43 to lay eggs and hatch fry, forming a double protection for the fry and fish eggs, reducing the concentrated predation of fish eggs and fish fry by large fish or other marine organisms, resulting in ecological imbalance and reduced production capacity.

[0040] Sponge columns 5 are arranged in a ring on the inner wall of the wall body of the casing 4 above the sieve opening 43, and gaps are formed between adjacent sponge columns 5. The sponge columns 5 can effectively adsorb stains in the water, improve the water conditions for the growth of fry and the hatching of fish eggs, improve the survival rate of fry. The gaps between adjacent sponge columns 5 are helpful for the attachment of fish eggs, reducing the probability of the fish eggs being carried away by the impact of the ocean current, further improving the production capacity. Before putting in, fry are placed on the partition plate 42 through the sieve opening 43 for proliferation. The sponge columns 5 can enable the fry to attach and can provide relative protection for the fry during the sinking process.

[0041] See appendix Figure 5 - appendix Figure 6 Below the base body 30, a buffer member 6 is provided. The buffer member 6 includes a bottom plate 60. An airbag plate 61 is fixed to the upper end surface of the bottom plate 60. A plurality of clamping columns 62 that can slide relative to the base body 30 are fixed to the airbag plate 61. Conical protrusions are fixedly arranged in an array at the bottom of the bottom plate 60.

[0042] When the fish reef 3 sinks to the bottom, the bottom plate 60 first contacts the seabed ground, and the friction with the seabed ground is increased through the conical protrusions to reduce the possibility of movement. The base body 30 continues to move downward due to inertia. The clamping columns 62 slide in the base body 30 until the base body 30 contacts and presses the airbag plate 61. The impact of the fall is buffered by the water body between the base body 30 and the airbag plate 61 and the compression deformation of the airbag plate 61, reducing the impact on the seabed ground, thereby reducing the probability of the overall slippage of the fish reef 3. At the same time, it also protects the base body 30 and the reef body above, which is beneficial to reducing the maintenance cost after recovery.

[0043] See appendix Figure 7 - appendix Figure 8A plurality of liquid storage capsules 7 are buried downward on the upper end surface of the airbag plate 61. A plurality of mud plates 63 are also spaced apart on the upper end surface of the airbag plate 61. The liquid storage capsules 7 are filled with seaweed culture solution. The center of the upper end of the liquid storage capsule 7 is opened and a rubber diaphragm 70 is provided. The rubber diaphragm 70 is provided with a drainage port 71, and the drainage port 71 is located in the gap between adjacent mud plates 63. When the base 30 moves downward due to inertia, the airbag plate 61 is squeezed by the mud plate 63. The airbag plate 61 is pressed against the liquid storage capsule 7, so that the culture solution in multiple liquid storage capsules 7 is ejected, part of the culture solution is adsorbed by the mud plate 63, and part of the culture solution flows rapidly along the small gaps of adjacent mud plates 63, and diffuses outward from the center to the outer edge of the bottom plate 60, so that seaweed grows around the mud plate 63 and the bottom plate 60, on the one hand, forming a habitat for fish, accelerating the breeding and aggregation of fish, and on the other hand, the seaweed formed on the ground side of the bottom plate 60 can form a barrier to the bottom plate 60, which can reduce the probability of the fish reef 3 as a whole being impacted by the ocean current and sliding, ensuring the aggregation effect, and at the same time, it can also reduce the wear and corrosion of the seabed water current on the airbag plate 61, reduce maintenance costs and protect the marine environment, and the residues and limbs discharged from the aeration hole 40 can also be effectively decomposed by the surrounding seaweed quickly, forming high-quality water quality around the fish reef 3, attracting fish.

[0044] See attached Figure 4 A guide plate 8 is fixed to the outer edge of the upper end of the second reef body 32. When the upper water body impacts the second reef body 32, it is guided by the guide plate 8, which reduces the overall shaking of the fish reef 3 and reduces the probability of stress of the internal fish school.

[0045] See attached Figure 9 -Attached Figure 10, a flow guide member 9 is provided above the second reef body 32. The flow guide member 9 includes a bearing 90. The inner ring of the bearing 90 is fixed to the outer side of the top of the sleeve 4. A clamping ring 91 is fixed to the outer ring of the bearing 90. The clamping ring 91 is arranged and fixed around the side with a flow guide frame 92. A partition net 93 is arranged inside the flow guide frame 92. The sea surface water flow is relatively rapid under the influence of strong winds. When the water flow acts on the flow guide member 9, the flow guide frame 92 drives the outer ring of the bearing 90 to rotate relative to the sleeve 4 through the clamping ring 91, thereby eliminating part of the water body impact. On the one hand, it reduces the overall shaking and sliding of the fish reef 3. On the other hand, it eliminates the lateral water energy to keep the observation assembly 1 stable, which is beneficial to realizing long-term and stable observation and protecting related components, improving the service life. The flow guide frame 92 rotates to generate a spiral water flow and quickly flows downward from the sleeve 4 and the second reef body 32, which is beneficial to accelerating the water flow passing through the aeration pipe to form fine bubbles, realizing oxygenation of the deep water area and downward transmission of the upper water area temperature, and can also accelerate the discharge of upper bait and residues, which is beneficial to the growth and aggregation of fish schools. There is low pressure at the upper swirling place, and the bubbles generated by the aeration holes 40 below will quickly rise and adhere to the partition net 93. On the one hand, it is beneficial to refract the light above the sea surface through the bubbles, so that the bottom seaweed and fish schools can obtain light and accelerate breeding. On the other hand, after the bubbles burst, they can interfere with the vision of flying birds, reduce the chance that flying birds detect fish schools and dive to prey, causing the fish schools to be frightened away and damage to the device. At the same time, when the whole device sinks, while the partition net 93 allows water to pass through, the flow guide frame 92 rotates to buffer the impact of lateral water flow, which can improve the verticality of the device sinking and reduce the probability of the fish reef 3 colliding and toppling with each other during the sinking process due to lateral movement.

[0046] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An efficient long-term observation platform for artificial fish reef areas, comprising: an observation component (1) and a plurality of fish reefs (3), characterized in that: the observation component (1) includes a counterweight (10), a buoy (11) is arranged above the counterweight (10), and a plurality of pulley groups (2) connecting the buoy (11) and the fish reef (3) are arranged at the bottom of the counterweight (10); the fish reef (3) includes a base body (30), a first reef body (31) and a second reef body (32) with side wall openings are coaxially arranged above the base body (30), the first reef body (31) and the second reef body (32) are coaxially connected to the same sleeve (4) inside, the bottom of the sleeve (4) is fixed to the inner bottom of the base body (30), an air vent hole (40) communicating with the first reef body (31) is formed in the wall of the sleeve (4), a circulation hole (41) communicating with the second reef body (32) is formed in the wall of the sleeve (4), a partition plate (42) is fixed to the inner wall of the sleeve (4), the partition plate (42) is located above the circulation hole (41), a spiral sieve opening (43) communicating with the second reef body (32) is formed in the wall of the sleeve (4) above the partition plate (42), sponge columns (5) are arranged around the inner wall of the sleeve (4) above the sieve opening (43), and gaps are formed between adjacent sponge columns (5); a buffer member (6) is arranged below the base body (30), the buffer member (6) includes a bottom plate (60), an airbag plate (61) is fixed to the upper end surface of the bottom plate (60), a plurality of clamping columns (62) capable of sliding relative to the base body (30) are fixed to the airbag plate (61), a plurality of liquid storage sacs (7) buried downward are arranged on the upper end surface of the airbag plate (61), a plurality of mud plates (63) are also arranged at intervals on the upper end surface of the airbag plate (61), seaweed culture solution is filled in the liquid storage sacs (7), the upper end center of the liquid storage sacs (7) is open and provided with a rubber diaphragm (70), and a liquid discharge port (71) is arranged on the rubber diaphragm (70), and the liquid discharge port (71) is located in the gap between adjacent mud plates (63); a guide plate (8) is fixed to the outer edge of the upper end of the second reef body (32), and a guide member (9) is arranged above the second reef body (32), the guide member (9) includes a bearing (90), the inner ring of the bearing (90) is fixed to the outside of the top of the sleeve (4), the outer ring of the bearing (90) is fixed with a clamping ring (91), a guide frame (92) is arranged and fixed around the side of the clamping ring (91), and a partition net (93) is arranged in the guide frame (92).

2. An efficient long-term observation platform for artificial fish reef areas according to claim 1, characterized in that: The pulley block (2) includes a fixed pulley (20) and a rope (21). The fixed pulley (20) is fixed above the bottom of the counterweight (10). One end of the rope (21) is connected to the bottom of the buoy (11), and the other end passes through the fixed pulley (20) and is connected to the base body (30). A camera (12) and a plurality of warning lights (13) are fixed to the bottom of the buoy (11).

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