Tidal energy power generation and intelligent breeding system

Abstract

The application belongs to the technical field of intelligent aquaculture, and specifically discloses a tidal energy power generation and intelligent aquaculture system, which comprises a cascaded power transmission-in module, a power transmission module, a power generation module and an intelligent aquaculture module, wherein the power transmission-in module is used for capturing the kinetic energy of sea wave impact and converting the kinetic energy into mechanical energy input into the power transmission module; the power transmission module is used for stably transmitting the mechanical energy and converting the mechanical energy into unidirectional rotary motion to drive the power generation module to work; the power generation module is used for converting the mechanical energy into electric energy and supplying power for the intelligent aquaculture module; and the intelligent aquaculture module is used for realizing intelligent control and management of aquaculture based on the power supply of the power generation module. Through the mechanical transmission and intelligent control system, the tidal kinetic energy can be efficiently converted into electric energy, and the aquaculture process can be finely and automatically managed.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of intelligent aquaculture, and particularly relates to a tidal energy power generation and intelligent aquaculture system. BACKGROUND

[0002] With the increasing shortage of traditional fossil energy and the increasingly prominent ecological environmental problems caused by the traditional fossil energy, developing and utilizing clean and renewable energy has become a global consensus. As a kind of marine energy with abundant reserves, strong regularity and high predictability, tidal energy has great development potential. China has a long coastline and rich tidal energy resources, but the current development and utilization of tidal energy in China is still in the initial stage, and is faced with challenges such as geographical location limitation, insufficient technical maturity and high power generation cost. SUMMARY

[0003] In view of the deficiencies in the prior art, the purpose of the present application is to provide a tidal energy power generation and intelligent aquaculture system, which combines tidal energy power generation with intelligent aquaculture, and realizes efficient conversion of tidal kinetic energy into electric energy and fine and automatic management of the aquaculture process through mechanical transmission and intelligent control system.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0005] A tidal energy power generation and intelligent aquaculture system, the system comprises: a cascaded power transmission module, a power transmission module, a power generation module and an intelligent aquaculture module, wherein the power transmission module is used for capturing the kinetic energy of sea wave impact and converting it into mechanical energy input into the power transmission module; the power transmission module is used for stably transmitting the mechanical energy and converting it into unidirectional rotary motion to drive the power generation module to work; the power generation module is used for converting the mechanical energy into electric energy and supplying power to the intelligent aquaculture module; the intelligent aquaculture module is used for realizing intelligent control and management of aquaculture based on the power supply of the power generation module.

[0006] Optionally, the power transmission module comprises a tidal energy collection plate, the tidal energy collection plate is fixed with a float on the side facing the sea wave impact through a towing rope, and the side away from the sea wave impact is connected with a crank connecting rod mechanism.

[0007] Optionally, the crank connecting rod mechanism comprises a first rod, a second rod and a third rod, wherein the first end of the first rod is hinged to the side away from the sea wave impact of the tidal energy collection plate, and the second end is hinged to the first end of the second rod; the second end of the second rod is hinged to the first end of the third rod, and the second end of the third rod is hinged to the power transmission module.

[0008] Optionally, the power transmission module further comprises a limiting wall between the tidal energy collection plate and the power transmission module, and a guide rail is arranged on the limiting wall in a vertical direction of the horizontal impact of the sea waves; the first end of the first rod is hingedly connected to the side of the tidal energy collection plate away from the impact of the sea waves and is slidingly connected to the guide rail.

[0009] Optionally, a limiting slider is arranged on the guide rail.

[0010] Optionally, the power transmission module comprises a first wheel set and a second wheel set connected through a fish-eye joint, wherein the first wheel set is used to receive and buffer the mechanical energy transmitted by the crank connecting rod mechanism; and the second wheel set is used to transmit the smooth rotary motion transmitted by the first wheel set to the power generation module to drive the power generation thereof.

[0011] Optionally, the first wheel set comprises a first upper inertia wheel and a second upper inertia wheel, wherein the outer side of the first upper inertia wheel is hingedly connected to the second end of the third rod, the inner side of the first upper inertia wheel is fixedly connected to the inner side of the second upper inertia wheel through an upper inertia wheel shaft, and the outer side of the second upper inertia wheel is connected to the second wheel set through a fish-eye joint; a small weight bias pulley is arranged on the inertia wheel shaft close to the first upper inertia wheel, and a small weight bias bevel gear is arranged on the inertia wheel shaft close to the second upper inertia wheel; the first wheel set further comprises a large weight bias bevel gear and a large weight bias pulley fixedly connected through a weight bias pulley shaft, wherein the large weight bias bevel gear and the small weight bias bevel gear are meshingly connected, and the large weight bias pulley is connected through a small belt.

[0012] Optionally, the second wheel set comprises a first lower inertia wheel and a second lower inertia wheel, wherein the first lower inertia wheel and the second lower inertia wheel are connected through a lower inertia wheel shaft; a crankshaft is arranged on the lower inertia wheel shaft, and the fish-eye joint is connected to the lower inertia wheel shaft through the crankshaft.

[0013] Optionally, the power generation module comprises a bracket, and a generator is arranged on the bracket; a small pulley is arranged on the side of the generator close to the second lower inertia wheel, and the small pulley is connected to a large pulley arranged on the outer side of the second lower inertia wheel through a large belt.

[0014] Optionally, the system further comprises a dam wall arranged between the limiting wall and the power transmission module, which is used as a physical defense line to resist the erosion of the sea waves on the power transmission module and the power generation module.

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

[0016] The application can realize efficient capture and stable power generation of tidal energy. Through the innovative mechanical transmission structure and fish eye joint design, the wave kinetic energy is continuously converted into electric energy. At the same time, the intelligent aquaculture system is integrated to realize precise feeding, on-demand oxygenation and automatic sewage discharge, which can significantly improve the aquaculture efficiency and reliability, so as to form an integrated marine fishery production system with energy self-sufficiency, low carbon and energy saving, and intelligent operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a front view of a tidal energy power generation and intelligent aquaculture system provided by an embodiment of the application;

[0018] Figure 2 is a side view of a tidal energy power generation and intelligent aquaculture system provided by another embodiment of the application;

[0019] Figure 3 is a local enlarged schematic view of a crank connecting rod mechanism;

[0020] Figure 4 is a structural schematic view of a first wheel set;

[0021] Figure 5 is a connection schematic view of the first wheel set and the second wheel set;

[0022] Figure 6 is a connection schematic view of the power generation module and the second wheel set.

[0023] The reference signs are explained as follows:

[0024] 1, tidal energy collecting plate; 2, traction cable; 3, float; 4, first rod; 5, second rod; 6, third rod; 7, limiting wall; 8, guide rail; 9, limiting sliding block; 10, dam wall; 11, first upper inertia wheel; 12, second upper inertia wheel; 13, upper inertia wheel axle; 14, small counterweight pulley; 15, small counterweight bevel gear; 16, large counterweight bevel gear; 17, large counterweight pulley; 18, small belt; 19, fish eye joint; 20, first lower inertia wheel; 21, second lower inertia wheel; 22, lower inertia wheel axle; 23, crankshaft; 24, bracket; 25, generator; 26, small pulley; 27, large belt; 28, large pulley. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0026] It should be noted that all the direction indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the direction indications will also change accordingly.

[0027] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal communication of two elements or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, if the present application has a description of "first", "second", etc., the description of "first", "second", etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel solutions. For example, "A and / or B" includes A solution, or B solution, or A and B solution. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection claimed by the present application.

[0029] Figure 1 is a front view of a tidal energy power generation and intelligent aquaculture system provided by an embodiment of the present application; Figure 2 is a side view of a tidal energy power generation and intelligent aquaculture system provided by another embodiment of the present application; as Figure 1 and Figure 2 As shown in the drawings, the system comprises a power input module, a power transmission module, a power generation module and an intelligent aquaculture module, wherein the power input module is used to capture the kinetic energy of sea wave impact and convert it into mechanical energy input into the power transmission module; the power transmission module is used to transmit the mechanical energy and convert it into unidirectional rotary motion to drive the power generation module to work; the power generation module is used to convert the mechanical energy into electrical energy and power the intelligent aquaculture module; the intelligent aquaculture module is used to realize intelligent control and management of aquaculture based on power supply of the power generation module.

[0030] In another example embodiment, the power transmission-in module comprises: a tidal energy collection plate 1, a float 3 is fixed to the tidal energy collection plate 1 by a traction cable 2 on the side facing the sea wave impact, and a crank linkage mechanism is connected to the side away from the sea wave impact.

[0031] In this embodiment, the tidal energy collection plate 1 is used as a large rigid panel to directly face the sea wave impact. When the sea wave comes, the horizontal impact force generated directly acts on the plate surface of the tidal energy collection plate 1, pushing it backward. This linear motion passes through the crank linkage mechanism connected to the back of the tidal energy collection plate 1, directly converting the main horizontal impact kinetic energy of the sea wave into mechanical energy to drive the system to run. At the same time, the float 3 fixed to the tidal energy collection plate 1 by the traction cable 2 on the side facing the sea wave impact mainly works with the vertical fluctuation of the wave. When the wave crest rises, the float 3 rises due to the great buoyancy and exerts an additional oblique pulling force on the tidal energy collection plate 1 through the traction cable, thereby further enhancing the efficiency of the backward movement of the tidal energy collection plate 1 based on the horizontal impact force. When the wave trough falls or the sea wave is intermittent, the float 3 generates a pulling force on the tidal energy collection plate 1 to assist in pulling the tidal energy collection plate 1 to overcome the water resistance and quickly reset, in order to prepare for the next sea wave impact. This "rigidity and flexibility" design makes the power transmission-in module not only able to efficiently capture the horizontal impact force of the sea wave, but also fully utilizes the vertical buoyancy and fluctuation kinetic energy of the float 3. The two continuously and alternately act in time and space, which can jointly ensure the continuity and efficiency of the sea wave impact energy capture.

[0032] In another example embodiment, as shown in Figure 3 the crank linkage mechanism comprises a first rod 4, a second rod 5 and a third rod 6, wherein the first end of the first rod 4 is hinged to the side of the tidal energy collection plate 1 away from the sea wave impact, and the second end is hinged to the first end of the second rod 5; the second end of the second rod 5 is hinged to the first end of the third rod 6, and the second end of the third rod 6 is hinged to the power transmission module.

[0033] In this embodiment, the three rods constitute a motion conversion system through specific hinge points, which converts the irregular large-scale linear reciprocating motion of the tidal energy collection plate 1 into unidirectional rotary motion required for driving power generation. In this motion conversion system, the first rod 4 directly responds to the impact and reset of the tidal energy collection plate 1, and transmits its reciprocating motion to the second rod 5; the second rod 5 converts the motion transmitted by the first rod 4 into a form more suitable for driving rotary components under specific trajectory constraints; finally, the third rod 6 transmits this motion to the power transmission module. This multi-stage transmission structure not only effectively amplifies the output torque, but also cleverly avoids the phenomenon of jamming or output weakness at the "dead point" position of the traditional double rod mechanism through unique geometric constraints. In this way, whether the sea waves push the tidal energy collection plate 1 forward or it naturally resets, the linkage system can ensure that the power transmission module continuously obtains unidirectional driving force, thereby realizing continuous and smooth capture and transmission of intermittent and irregular wave energy, greatly improving the energy conversion efficiency and operation reliability of the entire system.

[0034] In another exemplary embodiment, the power transmission module further includes a limiting wall 7 located between the tidal energy collection plate 1 and the power transmission module, and a guide rail 8 is provided on the limiting wall 7 in a direction perpendicular to the horizontal impact of the sea waves. The first end of the first rod 4 is connected with the guide rail 8 through sliding connection while being hinged to the side of the tidal energy collection plate 1 away from the sea wave impact.

[0035] In this embodiment, the limiting wall 7 can serve as a physical barrier to effectively resist the direct impact of the sea waves and protect the power transmission module and the power generation module. The guide rail 8 on the limiting wall 7 provides a precise and perpendicular constraint path for the crank linkage mechanism by sliding connection with the first rod 4, thereby forcibly converting the complex spatial motion (such as possible tilting or twisting) of the tidal energy collection plate 1 under the impact of the sea waves into pure linear motion, ensuring that the kinetic energy direction input into the second rod 5, the third rod 6 and the power transmission module is stable and controllable. By setting the guide rail 8, the guide constraint generated thereby not only reduces invalid forces and internal stress losses of the mechanism, improving energy transmission efficiency, but also fundamentally avoids the risk of mechanism jamming at the motion limit position through cooperation with the crank linkage mechanism, thereby ensuring that the system can still smoothly, continuously and efficiently convert wave energy into usable mechanical energy when facing violent and irregular sea wave impact.

[0036] In another exemplary embodiment, a limiting slide 9 is provided on the guide rail 8, and a limiting hole is provided in the middle of the limiting slide 9. The first end of the first rod 4 is located in the limiting hole of the annular limiting slide 9.

[0037] In this embodiment, the limiting sliding block 9 can constrain the first rod 4 in the left-right direction through its limiting hole, so that the first rod 4 can only move up and down and move forward and backward along the guide rail 8 during movement, thereby forcibly converting the complex spatial motion (such as tilting or twisting) of the tidal energy collection plate 1 when impacted by sea waves into pure linear motion. This design not only ensures that the kinetic energy direction input to the crank linkage mechanism is stable and controllable, reduces invalid forces and stress loss inside the mechanism, and improves energy transmission efficiency, but also avoids the risk of the crank linkage mechanism being stuck at the limit position of movement through cooperation with the guide rail 8, thereby ensuring that the system can smoothly, continuously and efficiently convert wave kinetic energy into usable mechanical energy when facing violent and irregular sea wave impacts.

[0038] In another exemplary embodiment, the system further includes a dam wall 10 disposed between the limiting wall 7 and the power transmission module.

[0039] In this embodiment, the purpose of the dam wall 10 provided by the present application is to build a strong physical defense line that not only cooperates with the limiting wall 7 to further resist extreme sea waves, floating objects and seawater overflow that may bypass or bypass the failed limiting wall 7, but more importantly, creates a relatively dry, stable and protected operating environment for the power transmission module and the power generation module on the other side, effectively isolating salt spray corrosion and moisture intrusion, thereby ensuring the long-term operation reliability, durability and safety of the entire system in harsh marine environments.

[0040] In another exemplary embodiment, the power transmission module includes a first wheel set and a second wheel set as shown in Figure 5 The first wheel set and the second wheel set are connected through a fisheye joint 19, wherein the first wheel set is used to receive and buffer the mechanical energy transmitted by the crank linkage mechanism; the second wheel set is used to transmit the stable rotary motion transmitted by the first wheel set to the power generation module to drive it to generate electricity.

[0041] In this embodiment, the first wheel set first receives and buffers the intermittent wave impact mechanical energy transmitted by the crank linkage mechanism and converts it into relatively stable rotary motion; then, this preliminarily stabilized mechanical energy is transmitted to the second wheel set through the fisheye joint 19, which provides the necessary degrees of freedom of motion and can effectively compensate for installation errors and adapt to running yaw, ensuring the continuity and reliability of power transmission; finally, the second wheel set further transmits the received stable rotary motion to the generator 25, thereby efficiently and stably driving the generator 25 to generate electricity.

[0042] In another exemplary embodiment, as shown in Figure 4As shown, the first wheel group comprises a first upper inertia wheel 11 and a second upper inertia wheel 12, wherein the outer side of the first upper inertia wheel 11 is hinged to the second end of the third link 6, the inner side of the first upper inertia wheel 11 is fixedly connected to the inner side of the second upper inertia wheel 12 through an upper inertia wheel axle 13, and the outer side of the second upper inertia wheel 12 is connected to the second wheel group through a fisheye joint 19; in addition, the upper inertia wheel axle 13 is provided with a small eccentric weight pulley 14 near the first upper inertia wheel 11 and a small eccentric weight bevel gear 15 near the second upper inertia wheel 12, and the first wheel group further comprises a large eccentric weight bevel gear 16 and a large eccentric weight pulley 17 fixedly connected through an eccentric weight axle, wherein the large eccentric weight bevel gear 16 and the small eccentric weight bevel gear 15 are meshingly connected, and the large eccentric weight pulley 17 is connected to the small eccentric weight pulley 14 through a small belt 18.

[0043] In this embodiment, the first wheel group is the core energy storage and stabilizing mechanism of the entire power transmission module, and its working principle is as follows: when the sea waves drive the third link 6 to move through the tidal energy collecting plate 1 and the crank connecting rod mechanism, the reciprocating motion is converted into rotary power through the hinged point on the outer side of the first upper inertia wheel 11 and is synchronously transmitted to the second upper inertia wheel 12 through the inertia wheel axle, so that the two inertia wheels rotate synchronously as a whole; in this process, the huge rotational inertia enables the first upper inertia wheel 11 and the second upper inertia wheel 12 to effectively absorb and buffer the intermittence and pulsatility of the sea wave impact, and converts the irregular input kinetic energy into continuous and stable rotary mechanical energy. At the same time, the small eccentric weight bevel gear 15 integrated on the upper inertia wheel axle 13 drives the large eccentric weight bevel gear 16 meshing therewith, and then drives the large eccentric weight pulley 17 to rotate through the fixedly connected eccentric weight axle; this eccentric gear-pulley system can utilize the periodic inertial force generated by the eccentric mass in rotation to help the entire wheel group overcome the "dead point" of operation and further enhance the uniformity and stability of rotation. The technical effect of the first wheel group is that not only can the preliminarily stabilized torque be reliably output to the second wheel group through the fisheye joint 19 on the outer side of the second upper inertia wheel 12, but also through the dual effects of "inertia buffering" and "eccentricity assistance", it can ensure that the subsequent power generation module obtains a driving power with constant direction and stable speed, thereby greatly improving the overall conversion efficiency and operation reliability of the entire system from wave energy to electric energy.

[0044] In another exemplary embodiment, as shown in Figure 6 The second wheel group comprises a first lower inertia wheel 20 and a second lower inertia wheel 21, and the first lower inertia wheel 20 and the second lower inertia wheel 21 are connected through a lower inertia wheel axle 22; a crankshaft 23 is arranged on the lower inertia wheel axle 22, and the fisheye joint 19 is connected to the lower inertia wheel axle 22 through the crankshaft 23.

[0045] In this embodiment, the second wheel group acts as the final drive mechanism of the power transmission chain, which converts the rotation motion transmitted by the first wheel group into rotation power that can efficiently drive the generator 25. Specifically, the fish-eye joint 19 located outside the second upper inertia wheel 12 of the first wheel group directly drives the crankshaft 23 installed on the lower inertia wheel shaft 22, and the crankshaft 23 synchronously transmits the input power to the first lower inertia wheel 20 and the second lower inertia wheel 21 rigidly connected through the lower inertia wheel shaft 22. The two lower inertia wheels together form a rotating body, which not only inherits the basic kinetic energy transmitted by the first wheel group, but also has its own rotational inertia that acts as a secondary flywheel, further smoothing the slight torque fluctuations at the connection point of the crankshaft 23, thereby ensuring that the second wheel group operates with extremely high rotational uniformity. Finally, the extremely smooth pure rotation motion stabilized by the two-stage inertia wheel is directly output to the generator 25 connected thereto through the lower inertia wheel shaft 22, thereby finally converting the mechanical energy of the sea waves into stable and usable electrical energy. That is, the second wheel group can complete efficient and reliable energy transmission from the power transmission module to the generator 25 through the mechanism of "crankshaft input-inertia speed stabilization-shaft direct connection output".

[0046] In another exemplary embodiment, please continue to refer to Figure 6 , the power generation module includes a bracket 24, and the bracket 24 is provided with a generator 25. The generator 25 is provided with a small pulley 26 near one side of the second lower inertia wheel 21. The small pulley 26 is connected to a large pulley 28 provided outside the second lower inertia wheel 21 through a large belt 27.

[0047] In this embodiment, when the lower inertia wheel shaft 22 of the second wheel group drives the large pulley 28 outside it to rotate stably, the rotation power is transmitted to the small pulley 26 on the input shaft of the generator 25 through the large belt 27, which has a smaller diameter than the large belt 27. The belt transmission mechanism constitutes a high-efficiency speed increasing system, which can convert the relatively low-speed and large-torque rotation motion from the first lower inertia wheel 20 and the second lower inertia wheel 21 into the precise input required by the generator 25, i.e., higher speed and smaller torque, thereby improving the work efficiency and response characteristics of the generator 25. At the same time, the slight elasticity and damping characteristics of the large belt 27 transmission itself can further absorb and isolate the possible small fluctuations and impacts in the transmission chain, thereby providing an extremely pure and stable driving environment for the generator 25. Finally, after obtaining the ideal mechanical energy input optimized by speed stabilization and speed increasing, the generator 25 efficiently converts it into electrical energy, providing stable and reliable power supply for the entire intelligent aquaculture system.

[0048] In another exemplary embodiment, the intelligent aquaculture module includes a single-chip microcomputer, a sensor, an oxygenator, and a feeder, wherein the single-chip microcomputer and the sensor, the oxygenator, and the feeder are electrically connected.

[0049] In this embodiment, when feeding is needed, the system triggers the feeding task according to real-time environmental parameters (water temperature is suitable) and set time interval. The fish school image in the feeding area is captured by the camera, and the aggregation degree, feeding speed and feed remaining amount of the fish school are analyzed. Scientific feeding is carried out in combination with the fish school detection model built in the single-chip microcomputer and the signal of the water level monitoring sensor, so as to realize small-batch multiple feeding and avoid water pollution. If too much feed residue or low fish activity is detected, the feeding amount or feeding frequency is automatically reduced; otherwise, it is increased. When the single-chip microcomputer receives the optimized feeding scheme instruction, the motor speed and opening and closing time of the feeding machine are controlled to realize fixed-point feeding (such as feeding from 8:00 to 9:00 every day) and quantitative feeding (precise control of the amount of granular feed by the screw propeller). The dissolved oxygen sensor collects data every 5 minutes, which is converted into a digital signal by the ADC module and transmitted to the single-chip microcomputer. The system compares the real-time dissolved oxygen value with the preset threshold value (the minimum dissolved oxygen of marine fish is 5 mg / L), and if the value is lower than the threshold value, the oxygenation task is triggered, and the oxygenation threshold value is dynamically adjusted in combination with the water temperature data. When the dissolved oxygen amount is detected to be too low, the single-chip microcomputer starts the oxygenation machine, adjusts the power, and automatically turns off until the dissolved oxygen value returns to the safe range.

[0050] Next, the present application takes a certain coast as an example to calculate the power generation capacity of the tidal energy power generation device and the electricity demand of the supporting aquaculture system in detail as follows:

[0051] I. Calculation of power generation

[0052] 1. Wave impact force: the impact force of ordinary waves on the tidal energy collection plate 1 is taken as the median value ;

[0053] 2. Motion parameters: the right displacement of the wave hitting the collection plate is 100 mm, and the average speed is calculated accordingly ;

[0054] 3. Mechanical transmission: the inertia wheel speed , and the single reciprocating motion time .

[0055] 4. Power generation parameters:

[0056] Generator 25 output voltage:

[0057] Wherein, the number of turns , the resistance , the constant , the frequency , the number of pole pairs , the magnetic flux .

[0058] The calculation result is: , effective voltage , effective power of generator 25 , power generated by a single wave

[0059] II. Power consumption calculation (aquaculture farm scale: water depth 1.8 m, water surface area 1000 m, water volume 1800 m, stocking density: 40 tails / cubic meter, total fish number about 72,000 (pacific pompano)).

[0060] Device power consumption details:

[0061] 1. Oxygenation equipment: Pacific pompano suitable dissolved oxygen ≥ 5 mg / L, aquaculture density 40 tails / cubic meter, total fish number 72,000. In summer high temperature or bad weather, water body dissolved oxygen is easy to reduce, assuming 6h per day oxygenation is needed. Commonly used impeller type oxygenator power 2 to 3 kW / tai, every 100 to 200 m 2 water body is equipped with 1 set, this aquaculture farm needs 10 sets of 2.5 kW oxygenator. Oxygenator daily power consumption is 2.5 kW x 10 sets x 6h = 150 kW·h.

[0062] 2. Feeding equipment: feeding machine power generally in 0.1 to 0.5 kW, assuming 0.3 kW. Pacific pompano daily feeding 4 to 5 times, taking 4 times, each feeding lasts 20 to 30 minutes, taking 25 minutes (i.e. 5 / 12h). Daily power consumption is 0.3 kW x 4 times x 5 / 12h = 0.5 kW·h.

[0063] 3. Water quality monitoring equipment: water quality sensor, single chip microcomputer, etc. Total power about 0.2 kW, continuous operation. Daily power consumption is 0.2 kW x 24h = 4.8 kW·h.

[0064] 4. Sewage and water exchange equipment: sewage pump and water inlet solenoid valve total power 1 to 2 kW, assuming 1.5 kW. Time sewage 1 to 2 times a day, each 30 to 60 minutes, taking 1 time, sewage 45 minutes (i.e. 0.75h); sewage is not timed triggered by water quality, on average 0.5h additional operation per day. Daily power consumption is 1.5 kW x (1 x 0.75 + 0.5)h = 1.875 kW·h.

[0065] 5. Other equipment (lighting, etc.): lighting and other equipment total power 1 to 3 kW, assuming 2 kW, running 6 to 8h per day, taking 7h. Daily power consumption is 2 kW x 7h = 14 kW·h.

[0066] In summary, the total power consumption of this scale of pacific pompano aquaculture farm is about 171.175 kW·h per day. The actual power consumption will vary due to equipment efficiency, aquaculture environment, management level, etc.

[0067] In addition, the fish school detection model proposed in the present application includes a visual feature extraction module, a time sequence behavior analysis module, a multi-modal fusion module, an adaptive decision engine and an interpretable output layer. The following is a detailed description of each module and layer.

[0068] In the model, the visual feature extraction module is used to extract the density, activity and residual feed in the fish school image. The module includes a multi-scale feature backbone network, a task-oriented branch structure and a cross-task feature interaction network. The multi-scale feature backbone network adopts EfficientNet-B4 to extract multi-level feature maps (such as C2, C3, C4, C5). A feature pyramid network is also introduced to upsample and fuse features of different levels and generate fusion feature maps of different scales (such as P2, P3, P4, P5). In addition, channel attention and spatial attention are introduced at each scale to enhance the response of key areas (such as fish school dense areas and feed areas).

[0069] The task-oriented branch structure includes a density perception branch, an activity enhancement branch and a feed residue segmentation branch. The density perception branch adopts an improved density regression network and is assisted by an adaptive convolution kernel to accurately quantify the fish school distribution density. The activity enhancement branch integrates a lightweight optical flow module to analyze the fish school motion intensity and direction from consecutive frame images. The feed residue segmentation branch uses an improved DeepLabv3+ architecture and embeds a boundary perception module to accurately outline the outline of the un-eaten feed area.

[0070] The cross-task feature interaction network adopts a cross-attention mechanism. The feature maps of each branch are used as query vectors, and the feature maps of other branches are used as key vectors and value vectors, respectively, to perform feature enhancement and generate enhanced multi-task feature maps, which are sent to the task head corresponding to each branch for prediction.

[0071] The time series behavior analysis module includes a multi-granularity time series feature extraction layer, which takes the feature sequence X = [x1, x2, …, xT] output by the visual feature extraction module as input, adopts a one-dimensional dilated convolution layer combined with a gating linear unit (GLU) as an activation function, and outputs preliminary features F1. This structure is repeatedly stacked for multiple layers, and different dilation rates are used in each layer to capture multi-scale short-term time series patterns. Subsequently, the preliminary features F1 are fed into a multi-head self-attention module after layer normalization, and enhanced features F2 are obtained by calculating the global dependency between time steps. Next, F2 is input into a bidirectional long short-term memory network (Bi-LSTM) to capture long-term context information in the sequence and generate a hidden state sequence F3. Then, adaptive max-pooling is performed on F3 to compress it into a fixed-length feature vector F4. Finally, F4 is mapped through a fully connected layer to output time series analysis results, such as feeding speed trend, fish aggregation persistence, and other key behavior indicators.

[0072] 3. The multi-modal fusion module adopts a hierarchical attention mechanism and a hybrid architecture of feature alignment, taking the time series analysis results output by the time series behavior analysis module and the original sensor data (such as water temperature, water level, and dissolved oxygen) as input. First, the sensor data is extracted by a one-dimensional convolutional network to extract local time series patterns, and dynamically aligned with the time series analysis results in the time dimension. Subsequently, a cross-modal attention layer is introduced, and the time series analysis results are taken as the query vector (Query), and the sensor data are taken as the key vector (Key) and the value vector. By calculating the cross-modal attention weight, the behavior context is realized. The directed filtering of sensor features is realized. At the same time, the sensor features are aggregated by the gating recurrent unit to capture long-term dependencies, and their hidden states are concatenated with the attention-weighted features. Finally, the fused features are input into the fully connected layer after residual connection layer and layer normalization for dimension reduction, outputting a joint representation that combines behavior semantics and low-level physical signal characteristics. This structure realizes adaptive weighting between features through cross-modal attention, and uses residual connection to preserve the original modal characteristics, ensuring that the fused features have both high-level semantic consistency and low-level physical sensitivity.

[0073] The adaptive decision engine includes a context-aware module, a meta-controller, a multi-armed bandit policy network, and an online learning module. The context-aware module deeply analyzes the joint representation output by the multi-modal fusion module and generates a comprehensive feeding decision context code by combining external time (such as time, season) and historical feeding records. This code quantifies the following key information: fish demand: estimated appetite level at the current time (based on behavior activity). Environmental suitability: the degree of support for feeding under the current water quality conditions. System status: feed inventory, equipment status, etc. Historical impact: the effect of the last feeding (such as residual amount). This code is then sent to a strategy pool preloaded with various decision strategies (e.g., rule engine, lightweight random forest, deep learning models of different complexity). At this point, the meta-controller calls the multi-armed Bandit policy network, which can dynamically select an optimal strategy for the current decision task from the strategy pool based on the current decision context and the comprehensive utility score calculated based on decision accuracy, response delay, and computational overhead. The selected strategy is instantiated and reasoned based on the current feeding decision context code, and finally outputs the following executable specific decisions:

[0074] Feeding amount (0%~100%): The strategy outputs a specific percentage to control the amount of feed discharged by the feeder. For example, "100%" full feeding when the fish are active and the water quality is excellent; "50%" reduced feeding when appetite is poor.

[0075] Feeding frequency adjustment (speed up / slow down / keep): The strategy will determine the interval of the next feeding cycle based on the fish digestion rules and water quality sustainability. For example, "speed up" the frequency during the growth golden period; "slow down" the frequency when the water quality deteriorates slightly.

[0076] Whether to skip this feeding: When the context code shows abnormal conditions (such as a sharp drop in dissolved oxygen, no appetite at all), the strategy will decisively output a "skip" instruction to avoid risks.

[0077] After the decision is executed, the online learning module starts working, whose task is to evaluate the effect of the decision and optimize the future strategy selection. Specifically, the online learning module quantifies the effect of each feeding decision through a reward function, which synthesizes multi-dimensional feedback signals of immediate and long-term, positive and negative to guide the model to optimize, wherein the positive reward signals (encouraging behavior) are directly related to feeding efficiency and growth benefits, including the improvement of fish activity based on camera analysis, the reduction of feed residues monitored by sensors or image recognition, and the improvement of growth rate as a long-term gain indicator; the negative reward signals (punishing behavior) correspond to resource waste and ecological cost, mainly including feed waste (manifested as a large amount of residues within a specified time) and water quality deterioration (such as significant decrease in dissolved oxygen or increase in ammonia nitrogen after feeding). These positive and negative signals are finally combined into a unified comprehensive reward value, thus accurately quantifying the pros and cons of the decision and driving the model to learn.

[0078] The interpretable output layer is used to convert the low-dimensional, abstract decision vector generated by the adaptive decision engine into high-dimensional, structured and easy-to-understand natural language reports and visual charts. This layer first receives the original decision instructions (such as feeding amount, frequency adjustment) and the key decision factors (such as low dissolved oxygen, low fish activity) behind them output by the engine, and then organizes these discrete data points into coherent, cause-and-effect logic-containing text descriptions through a lightweight neural network natural language generation module, for example, generating a conclusion such as "Given the current low dissolved oxygen and significantly reduced fish activity, the system decides to skip this feeding to avoid further deterioration of water quality". At the same time, the attribution visualization module extracts the core feature weights in the decision-making process to generate intuitive charts (such as bar charts, radar charts) to show the influence of different factors (such as water quality parameters, historical feeding effects, fish behavior) on the current decision. Finally, this layer also outputs confidence assessment and alternative scheme analysis, clearly informing the user of the reliability interval of the current decision and listing other strategies that have been considered and the reasons for their rejection, thus effectively establishing the user's trust in the system's intelligence on the basis of ensuring decision transparency, and providing clear evidence for potential human intervention.

[0079] The above is only a preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A tidal power generation and smart aquaculture system, characterized in that, The system includes: The cascaded power input module, power transmission module, power generation module, and smart farming module, among which, The power input module is used to capture the kinetic energy of the wave impact and convert it into mechanical energy, which is then input into the power transmission module. The power transmission module is used to stably transmit mechanical energy and convert it into unidirectional rotational motion to drive the power generation module to work; The power generation module is used to convert mechanical energy into electrical energy and to power the smart aquaculture module; The intelligent aquaculture module is used to achieve intelligent control and management of aquaculture by supplying power based on the power generation module. The power transmission module includes: Tidal energy harvesting panels The tidal energy harvesting plate has a buoy fixed to the side facing the impact of the waves by a traction cable, and a crank-connecting rod mechanism connected to the side facing away from the impact of the waves. The crank-connecting rod mechanism includes: The first member, the second member, and the third member, among which, The first end of the first rod is hinged to the side of the tidal energy collection plate facing away from the impact of the waves, and the second end is hinged to the first end of the second rod. The second end of the second rod is hinged to the first end of the third rod, and the second end of the third rod is hinged to the power transmission module. The power transmission module includes: The first and second rounds are connected by a fisheye joint. in, The first gear set is used to receive and buffer the mechanical energy transmitted by the crank-connecting rod mechanism; The second wheel set is used to transmit the smooth rotational motion transmitted by the first wheel set to the power generation module to drive it to generate electricity.

2. The system according to claim 1, characterized in that, The power transmission module also includes: Limiting wall, The limiting wall is located between the tidal energy collection plate and the power transmission module, and a guide rail is provided on the limiting wall along the direction perpendicular to the horizontal impact of the waves. The first end of the first rod is hinged to the side of the tidal energy collection plate facing away from the impact of the waves and simultaneously slidably connected to the guide rail.

3. The system according to claim 2, characterized in that, The guide rail is equipped with a limit slider.

4. The system according to claim 1, characterized in that, The first set of wheels includes: First upper inertia wheel and second upper inertia wheel in, The outer side of the first upper inertia wheel is hinged to the second end of the third rod. The inner side of the first upper inertia wheel is fixedly connected to the inner side of the second upper inertia wheel through the upper inertia wheel axle. The outer side of the second upper inertia wheel is connected to the second wheel assembly through a fisheye joint. A small unbalanced pulley is provided near the first upper inertia wheel axle, and a small unbalanced helical gear is provided near the second upper inertia wheel. The first wheel set also includes a large eccentric helical gear and a large eccentric pulley that are fixedly connected by the eccentric wheel axle. The large eccentric helical gear and the small eccentric helical gear are meshed together, and the large eccentric pulley is connected by a small belt.

5. The system according to claim 4, characterized in that, The second round group includes: The first and second lower inertia wheels, where... The first and second lower inertia wheels are connected by the lower inertia wheel axle; A crankshaft is provided on the lower inertia wheel axle, and the fisheye joint is connected to the lower inertia wheel axle through the crankshaft.

6. The system according to claim 5, characterized in that, The power generation module includes: The support frame has a generator mounted on it. A small pulley is located on the side of the generator near the second lower inertia wheel. The small pulley is connected to a large pulley located outside the second lower inertia wheel via a large belt.

7. The system according to claim 2, characterized in that, The system also includes: The dam wall, located between the limiting wall and the power transmission module, serves as a physical barrier against the erosion of the power transmission module and the power generation module by sea waves.

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