13 results about "Cage aquaculture" patented technology

The application provides a multi-rule-constrained offshore net cage culture type identification method and system, and belongs to the technical field of remote sensing image analysis, interpretation and mapping. The method comprises the following steps: using a net cage culture facility classifier to classify the facility types of net cage culture patches that have been interpreted in a remote sensing image, to obtain a facility type classification result; based on the facility type classification result, combining sample points and water depth environmental characteristics, using a culture type classifier to preliminarily identify the culture biological types of each patch, and outputting a net cage culture type classification result; constructing a multi-rule-constrained aquaculture type identification model, which is used to introduce statistical distribution rules, township distribution rules and water depth ecological suitability rules for multi-rule-constraint, to adjust the net cage culture types of each patch, and form a final net cage culture type identification result. The method can accurately identify the biological types of each patch in the case of lacking direct observation means.

This invention discloses an unmanned cage aquaculture monitoring system, belonging to the field of aquaculture monitoring technology. It addresses the problems of existing nearshore cage aquaculture equipment, such as limited functionality, poor coordination, high reliance on manual labor, and insufficient environmental adaptability during cage deployment. The system includes cage deployment, feeding, storage, a mother machine basic frame, iris feeding, opening and closing doors, undulation, daughter machine retrieval, and daughter machine devices. The mother machine has a circular, layered compartment structure, connected to feed feeding mechanisms at the top and daughter machine operation and retrieval mechanisms at the bottom. The daughter machine devices have an eight-axis drive structure, equipped with environmental monitoring sensors, mechanical claws, and a rotary flushing device, forming a collaborative operation system with the mother machine. This system can achieve automated cage deployment, precise and uniform feed delivery, real-time underwater environmental monitoring, thorough cage cleaning, and underwater waste recovery. It is adaptable to medium and high sea states, has a high degree of intelligence and automation, significantly reduces labor costs, and effectively improves the overall operational efficiency and benefits of nearshore cage aquaculture.

The application discloses a method for typhoon disaster prevention and rapid recovery after disaster in deep-sea net cage culture, which comprises the following steps: before the disaster, an unmanned aerial vehicle is used to take aerial photos of the water surface structure of the net cage by carrying a high-definition camera, and an underwater robot is used to collect underwater images by layer scanning through a sonar, so that structure data and fish school data before the disaster are generated; weak points such as framework, netting and anchor chain are analyzed and repaired and reinforced through three-dimensional modeling, the stocking density is optimized in combination with typhoon information, the risk of facility damage and fish loss is reduced, and after the disaster, the structure data and fish school data are repeated, the degree of framework damage, netting damage, anchor chain breakage and fish escape or death is compared and evaluated by taking the data before the disaster as a reference, and a grading repair scheme and disaster relief plan are generated. Through the cooperation of multiple devices and data fusion, the detection accuracy and evaluation efficiency are improved, the damaged parts are quickly located, and the recovery strategy is optimized, so that an efficient disaster prevention and reduction and rapid recovery solution after disaster is provided for the deep-sea net cage culture.

The application discloses a four-fingered tetra intelligent net cage breeding system and method based on behavior recognition and low stress control, which comprises a flexible anti-collision light-blocking net cage module, an underwater AI behavior early warning module, a micro-bubble and sound-light soothing intervention module and a dry-free flexible transfer module. The flexible anti-collision light-blocking net cage eliminates net collision and scale shedding and visual disturbance from the physical structure, the underwater AI behavior early warning module extracts three-dimensional features of sudden change rate of swimming speed, spatial dispersion and gill cover vibration frequency to calculate a comprehensive stress index, realizes four-level grading early warning, the micro-bubble and sound-light soothing intervention module realizes targeted soothing through mute oxygenation, blue-green light and low-frequency sound waves, and the dry-free flexible transfer module realizes underwater zero-fishing transfer of fish bodies. The application improves the survival rate of four-fingered tetra by 22.6% and reduces the scale infection rate by 93.5%, solves the stress bottleneck of large-scale breeding of the four-fingered tetra and is suitable for large-scale near-shore net cage breeding of the four-fingered tetra.

The present application relates to the technical field of aquaculture equipment, and proposes a lobster breeding net cage feeding integrated device, which comprises a floating frame assembly, the floating frame assembly comprises a buoyancy frame, the outer wall of the buoyancy frame is fixed with a buoy, the corner position is fixed with a movable support, and the top frame is fixed between the top ends of the movable supports; the feeding system comprises a storage assembly and a feeding assembly, the storage assembly is installed in the top frame through an elastic support mechanism, and the feeding assembly is installed at the bottom end of the storage assembly; the breeding unit comprises a net cage assembly and a slag removal mechanism, and the net cage assembly is fixed at the bottom of the buoyancy frame. Through the above technical scheme, the problems of the existing lobster net cage breeding device are solved, such as the increase of the lobster escape risk caused by the increase of the sinking amount of the floating frame after feeding, the influence of the high gravity center of the feeding system on the stability of the floating state of the device, and the blockage of the slag removal pipeline at the bottom of the net cage during the pumping process due to the accumulation of waste slag, thereby reducing the slag removal efficiency.

The present application relates to a net cage culture platform simulating benthic living environment, the platform is combined by multiple net cage culture units through top cross beams and floating pipe frames, the net cage culture unit comprises a bottom plate, an attachment base, a net and a bottom cross beam, multiple detachable attachment bases with attachment base seats are uniformly distributed on the bottom plate, the bottom plate, the attachment base and the attachment base seat are all split type structures; the attachment base seat comprises a latch fixed base and a linear sliding rail type base, the latch fixed base is used for the attachment base which needs to be opened during harvesting, the linear sliding rail type base is used for the attachment base which does not need to be frequently detached, the robustness of the above two connection structures to the deformation of the attachment base during the installation and removal process is good, and the attachment base can be conveniently and quickly detached and switched, so that the efficiency of separating seedlings and harvesting is effectively improved; the attachment base is installed on the attachment base seat in a way of being drawn in or inserted, and is limited by the convenient detachable pin, so that the attachment base is simple to install.

This invention discloses an automated seedling separation and cage loading device and its application based on square nested scallop cages. The device includes a frame, a conveying system, a string of square nested, quick-connect, stitchless scallop cages consisting of a single scallop cage head and one or more conventional scallop cage units, a crane system for hoisting the string of square nested, quick-connect, stitchless scallop cages, a seedling separation system installed in the middle of the frame, a robotic arm picking and nesting system located below the seedling separation system, and a three-dimensional magnetic coordinate positioning system. After the individual scallop cages are input, they are positioned by the three-dimensional magnetic coordinate positioning system, identified and picked up by the robotic arm, and quantitatively packaged into individual scallop cages. The individual scallop cages are then nested and secured one by one below the crane system. This invention automates the seedling separation and cage loading process in raft-type cage aquaculture production, completely eliminating the need for manual seedling separation and sewing, greatly improving operational efficiency, reducing seedling drying time, and increasing seedling survival rate.

The present application belongs to the technical field of valve, specifically a net cage lifting control valve and net cage, including frame and control box; the top of control box is communicated with air pipe, the air pipe is connected with pipeline to inject high pressure gas, the bottom of control box is fixedly connected with bottom disc, a group of pipes are arranged on the bottom disc, the pipes are connected with frame; when the air pipe and water pipe are opened synchronously, water will enter into control box from water pipe, then enter into frame from pipe, gas will be discharged from air pipe, so that the device becomes heavy and sinks, the pipeline connected with air pipe injects high pressure gas into control box, the gas pushes water in control box and frame to be discharged from water pipe, the gas in control box and frame makes the whole device float to the sea surface, the injection and discharge of gas in control box can control the sinking and floating of the whole device, the convenience of net cage culture is improved. The whole net cage is made of basalt fiber composite material, which greatly improves the firmness, stability and corrosion resistance.

The application discloses a net cage fish culture environment carrying capacity evaluation method and system based on sedimentation flux, and relates to the technical field of culture environment regulation and control. The method comprises a culture fish population biomass model, a relationship model between the sedimentation flux of the biological sediment in the net cage culture area and the culture fish population biomass, and an organic matter and inorganic matter decay model in the surface sediment. The method selects the organic carbon content in the surface sediment of the seabed as an environmental index, and according to the threshold value of the organic carbon content in the surface sediment, the stocking quantity of the culture fish capable of making the organic carbon content in the surface sediment reach the threshold value at the end of the culture period is predicted as the environmental carrying capacity of the net cage culture. The application can provide a direct basis for the production decision of the net cage fish culture, maintain a good water environment, and realize the sustainable development of the net cage culture industry.

This utility model discloses a linear feed dispenser, comprising: a dispensing component for conveying feed to a corresponding aquaculture area, including multiple spaced-apart discharge branches; a receiving component located on one side of the dispensing component, for translating and sealingly communicating with the corresponding discharge branches to convey the received feed into the corresponding discharge branches; and a supporting component for supporting the dispensing component and the receiving component. The linear feed dispenser provided by this utility model uses a linear motion module to achieve automatic connection between the conveying pipe and the discharge branches, and a sealing structure ensures a tight seal at the connection between the conveying pipe and the discharge branches, making it suitable for various types of feed such as pellets and powders. Compared with rotary feed dispensers, the linear feed dispenser provided by this utility model has a simpler structure, lower cost, and higher reliability, and can be widely used in multi-target aquaculture scenarios such as factory farming, cage farming, and pond farming.

The application discloses a semi-submersible truss type net cage culture platform integrated with wave energy devices, which comprises a semi-submersible truss type bearing platform, a pendulum wave energy converter, an oscillating buoy wave energy converter, a deep water culture net cage system and a mooring system. The semi-submersible truss type bearing platform is coupled with the pendulum wave energy converter and the oscillating buoy wave energy converter, so that the wave energy of different wave frequencies and wave heights can be fully captured, energy efficient conversion can be realized through a matching power output system, independent guarantee can be provided for power supply of platform equipment operation, culture operation and living areas, traditional fuel power supply can be replaced, carbon emission and operation cost can be greatly reduced, and the energy requirement of deep sea long-term culture can be met.

This invention relates to the field of aquaculture equipment technology, specifically to a feeding device for experimental net cage aquaculture, comprising a feeding module, a supplementary feeding module, and an energy replenishment module. The feeding module is used to deliver feed, the supplementary feeding module is installed at the bottom of the feeding module and provides feed to the feeding module, and the energy replenishment module is installed at the top of the feeding module and provides electrical energy to the feeding module. This invention relies on a pneumatic spraying structure in conjunction with a spreading nozzle, utilizing the reaction force generated by the feed spray to drive the entire device to rotate, achieving large-scale, all-round, and uniform spreading of feed, effectively covering the entire experimental net cage, completely solving the problem of limited feeding area in conventional equipment, and ensuring the uniformity of feeding and the accuracy of experimental data in aquaculture experiments.

The invention relates to the technical field of biology, and particularly discloses fungus and diatom symbiont microspheres for improving the immune function of cage culture stichopus japonicus and improving water quality. Core functional components of the fungus and diatom symbiont microspheres are cordyceps militaris fungi and Ampelopsis coffee, and in addition, in order to improve the biological activity of the symbiont microspheres and the adhesion of the symbiont microspheres to a netting, pullulan, recombinant mussel mucin, a folium cortex eucommiae extract and a curcuma zedoary extract are also added in the preparation process of the microspheres. The functional components of the symbiont microsphere disclosed by the invention are mutually beneficial, common and synergistic, the non-specific immune function of the stichopus japonicus can be comprehensively improved by enhancing the activity of immune enzyme and digestive enzyme, and meanwhile, the contents of nitrogen phosphorus, nitrite, organic pollutants and pathogenic vibrio in an aquaculture water body can also be reduced.