21 results about "Fish trap" patented technology

The invention discloses a bait fish luring device, and relates to the technical field of fish trapping devices.The bait fish luring device comprises a net cage, the net cage is in threaded connection with a cage cover, feeding ports are formed in the circumferential direction of the cage cover in an array mode, and inlets are formed in the positions, below the feeding ports, of the cage cover in the circumferential direction; the inner wall of the box cover is rotatably connected with a feeding mechanism capable of feeding bait in the circumferential direction of the box cover, and the inner wall, located below the inlet, of the box cover is fixedly connected with a driving mechanism used for driving fish into the net cage. The feeding mechanism can feed baits to the position far away from the net cage, the fish luring range of the baits is increased, the fishes in the distance can be attracted by the baits, the density of the baits in the net cage is large, the fishes attracted by the baits far away from the baits are finally attracted into the net cage, and the fish luring effect is improved; and the usage amount of the whole fish luring equipment is reduced.

The invention discloses a deep-sea macro organism trapping and pressure-maintaining sampling device, and relates to the technical field of deep-sea macro organism trapping, the deep-sea macro organism trapping and pressure-maintaining sampling device comprises a trapping barrel, a pressure-maintaining bin is arranged in the trapping barrel, and a plurality of partition plates are arranged in the pressure-maintaining bin; the device comprises a trapping barrel, a fishing barrel is installed in the trapping barrel, a driving motor is installed above the trapping barrel and drives the fishing barrel to rotate, a one-way valve is installed on the trapping barrel, the one-way valve is in one-way conduction in deep sea, a base is installed on the lower side of the trapping barrel, and a linkage structure is installed in the base. The linkage structure facilitates oxygenation and cleaning treatment on the pressure maintaining bin; by arranging the linkage structure, the core functions of sample trapping and transferring are completed, besides, cleaning of the pressure maintaining bin and water exchange can be completed synchronously without extra power, and the integration level and the energy utilization efficiency of the device are greatly improved.

1. Name of the product in this design: Fishing cage net and its main body (2). 2. Purpose of this design: Fish trap net for fishing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Design 2 and Design 4 are partial appearances in this design, and protection is required for the parts shown by the solid lines, while the mesh parts shown by the dashed lines are not required to be protected.

The utility model discloses a vertically placed ground cage, which relates to the field of aquaculture fishing, and adopts the technical scheme that the vertically placed ground cage comprises a cage body with a prismoid frame-shaped structure and a fishing net covering the cage body, the cage body comprises a main framework, the main framework comprises a plurality of vertical rods, cross rods are arranged between the top ends and the bottom ends of the adjacent vertical rods, and the cross rods are connected with the fishing net. Partition rods are arranged between the adjacent vertical rods and divide one side face of the cage body into an upper frame opening and a lower frame opening, the fishing net covering the upper frame opening forms a first horn mouth, the fishing net covering the lower frame opening forms a second horn mouth, and the large-opening ends of the first horn mouth and the second horn mouth are flush with one side face of the cage body. The small-opening ends of the first horn mouth and the second horn mouth are located in the cage body. According to the utility model, the vertical cage body is formed, so that the cage can be easily arranged in water areas with more complex hydrological environments, such as lotus root ponds, water chestnut ponds and the like.

The present invention relates to a method for customizing a deep-sea fish trapping strategy based on partitioned visual data, comprising: utilizing an intelligent deep-sea fish prediction model corresponding to a target deep-sea water area to intelligently predict the number of fish appearing in each sub-sea area of ​​the target deep-sea water area in a future time segment after the current moment based on multiple copies of layer-by-layer sea area visual data corresponding to multiple past time segments before the current moment; and determining, based on the intelligent prediction results, a key trapping sub-sea area of ​​the target deep-sea water area in the future time segment after the current moment. Through the present invention, it is possible to utilize an intelligent deep-sea fish prediction model designed for a customized structure of the current deep-sea water area to intelligently predict the number of fish appearing in each sub-sea area of ​​the target deep-sea water area in the future time segment after the current moment, and then determine a matching deep-sea fish trapping strategy for the target deep-sea water area, thereby improving the effectiveness and efficiency of deep-sea fish trapping in different time segments.

1. Name of the product in this design: Fish cage. 2. Purpose of this design: As a fishing tool. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of this design product: Fish trapping device (submersible type). 2. Purpose of this design product: used to catch and lure fish. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention relates to a system (2) for capturing fish (36), characterized in that it comprises a tube (16) for creating a curtain (27) of bubbles (26) under the surface S of the water and around a capture zone (34), a fishing light (12) for illuminating the zone from below, and means (22, 39) for collecting the fish trapped in the zone. The invention also relates to a fishing technique using such a system. The invention further relates to a system and an associated method for collecting plastic and microplastic waste.

A fishing trap retrieval system comprising a strong rope adapted for being connected to a fishing trap at a first end thereof. A strong rope buoy is connected to a second end of the strong rope. A mid portion of the strong rope is maintained in a collapsed form. A load sensitive release mechanism is connected to the strong rope buoy and adapted for being connected to the fishing trap. A weak rope is connected to the release mechanism at a first end thereof and to a surface buoy at a second end thereof. The release mechanism is adapted for transferring a buoyancy load exerted by the strong rope buoy when submerged to the fishing trap in a first mode of operation and for releasing the strong rope buoy when the load acting thereon exceeds a predetermined load threshold in a second mode of operation.

This utility model discloses a fish trap, including a drive structure, a float, and a folding fish cage. One side of the float is connected to the fish cage via a trapping component, which is connected to the drive structure via a combined transmission component. The trapping component includes two support blocks fixedly connected to the top surface of the float and the top surface of the fish cage, a corrugated telescopic tube A inserted through the inner wall of the two support blocks, and a corrugated telescopic tube B fixedly connected to one side of the fish cage at one end. The diameter of the corrugated telescopic tube B is greater than the diameter of the corrugated telescopic tube A. This utility model utilizes the sound of flowing water output from the corrugated telescopic tube B inserted through the side of the fish cage and from the corrugated telescopic tube A above the fish cage. Based on the fish's tendency to move in an oxygen-food-safe environment, it attracts fish into the fish cage, achieving the effect of attracting and catching a large number of fish. The barbel-shaped fish and shrimp inlet prevents fish from escaping after entering the fish cage.

1. Name of this design product: Live Fish Buckle. 2. Purpose of this design: A live fish reel for lure fishing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to a system 2 for capturing fish 36, characterized in that it comprises a tube 16 for creating a curtain 27 of bubbles 26 below the surface S of the water and around a capture zone 34, a lamp 12 for illuminating the zone from below, and means 22, 39 for collecting the fish trapped in the zone. The invention also relates to a fishing technique using such a system. The invention further relates to a system and an associated method for collecting plastic and microplastic waste. Figure 2 for the abstract.

The invention discloses a multifunctional fish gathering lamp and a control system, and belongs to the technical field of fishery lamps, the multifunctional fish gathering lamp comprises a lifting support assembly, a holder assembly and a lamp cap assembly, the holder assembly is rotatably mounted at the top of the lifting support assembly, and the lamp cap assembly is rotatably mounted on the outer side of the holder assembly; a driving mechanism and a control module are arranged in the holder assembly, and the control module is used for controlling the driving mechanism to adjust the lamp angle, controlling the lifting supporting assembly to adjust the light height and controlling the light emitting mode of the lamp holder assembly to adjust the light type. The angle, height, variety, mode, color and brightness of light are adjusted through the control module integrated control system, so that flexible adjustment can be achieved according to phototaxis characteristics of different fishes, the requirements of various fish trapping scenes are met, and the application range is expanded; operators can dynamically adjust light and track fish schools through the control system according to the water quality condition, the flexibility is high, and the efficiency and effect of fishery operation are effectively improved.

The invention relates to a deep-sea fish trapping strategy customization method based on partition visual data. Comprising the following steps: intelligently predicting the number of fish bodies appearing in each sub-sea area in a future time segment after a current moment of a target deep-sea water area by adopting a deep-sea fish intelligent prediction model corresponding to the target deep-sea water area according to a plurality of parts of layer-by-layer sea area visual data corresponding to a plurality of previous time segments before the current moment; and determining a key trapping sub-sea area of the target deep-sea water area in a future time segment after the current moment based on an intelligent prediction result. According to the method, the intelligent deep-sea fish prediction model designed for the current deep-sea water area customization structure can be adopted to intelligently predict the number of fish bodies appearing in each sub-sea area in the future time segment after the current moment of the target deep-sea water area, and then the matched deep-sea fish trapping strategy of the target deep-sea water area is determined; therefore, the trapping effect and efficiency of the deep-sea fishes at different time segments are improved.

This invention concerns an intelligent system for fishing selectivity and catch optimization of coastal fishermen designed to improve fishing efficiency in an environmentally friendly manner. This system consists of an environmentally friendly fish trap equipped with an underwater camera, aquatic environmental sensors, an underwater lighting module, an edge computing-based microcomputer unit, a communication module, and a power management module. Fish images and environmental data are automatically processed using the EcoTrapNet-DNN algorithm, which is a multi-task deep neural network based on underwater acquisition parameters configured to perform image quality validation, image quality improvement, fish detection and segmentation, size estimation based on geometry calibration, classification of fish types and sizes, and determination of catch selectivity scores.Based on the analysis, the system provides recommendations for fishing selectivity or, in certain embodiments, controls the selective mechanism in the fish trap so that target fish are retained, while non-target or substandard fish are released. This system can reduce bycatch, improve the quality and value of the catch, and support sustainable fishing practices for small- to medium-scale coastal fishers.

The invention discloses an ecological trap device for efficiently trapping tilapia mossambica in a water body, and relates to the technical field of fish trapping, a light reinforced floating plate is mounted above a trapping net, mounting vertical plates are mounted at the two ends of the top of the light reinforced floating plate, and an adjusting rotating long rod is rotatably mounted between the middles of the two mounting vertical plates; a driving motor is mounted at one end of one mounting vertical plate, winding shafts are mounted on the surface of the adjusting rotating long rod at equal intervals, and a traction rope is wound around the surfaces of the winding shafts. The driving motor and the adjusting rotating long rod are matched with each other, winding and unwinding of the traction rope are achieved, and the position and height of the trapping net sinking into the water body are controlled; according to the tilapia mossambica trapping device, the height of the position where the trapping net is located is matched with the moving height of tilapia mossambica in water, the trapping effect is effectively improved, a certain supporting effect is achieved through the light reinforced floating plate, and great convenience is provided for selection of the position where the trapping net is used for trapping tilapia mossambica.

The utility model discloses a kind of paddy field fish shoal trapper, it is related to trapper technical field, including hollow guide column, its bottom fixedly connected with base;Fish shoal entrance is set in the bottom of the fish catching space;Limiting mechanism is used to lock the moving ring in working position;Moving ring is movably sleeved on the guide column, and can move up and down along its axial direction;Several elastic skeletons, two ends are connected between the base and the moving ring respectively;Fishing net is covered between the elastic skeleton, and with the base, moving ring is jointly enclosed into a telescopic cage-shaped fish catching space.The utility model is by using lantern type telescopic structure design, so that fish catching space has larger fish catching volume when unfolding, can quickly shrink when fish is collected, convenient storage, to significantly improve fish catching efficiency and facilitate the concentration of fish shoal to be taken out.

The present invention relates to a fish trap cleaning device for cleaning a fish trap during the process of collecting same by a hoist installed on a hull. The fish trap cleaning device comprises: a support part installed on a hull guardrail; a spray unit which is installed on the support part and connected to a pump means to spray fluid in the direction of the outside of the hull; an opening / closing valve which is installed in a supply pipeline for connecting the pump means and the spray unit and opens / closes the supply pipeline; and a water supply pedal which is installed on the bottom surface of the hull and operated by an operator's foot to open and close the opening / closing valve. The present invention is characterized in that the spray unit for spraying fluid at high pressure is installed on the guardrail of the hull to wash the fish trap.

The present invention relates to a fishing equipment connector for detachably connecting and separating fishing gear, such as a fish trap, to and from a rope, the fishing equipment connector comprising: a fixed body having a constant elasticity so as to be gathered inward by pressing the front and rear ends; and a rotating body rotatably coupled to one side of the fixed body, wherein the fixed body is composed of: a support portion forming the rear end of the fixed body and rotatably supporting the rear end of the rotating body; and an operating portion forming the front end of the fixed body corresponding to the support portion and applying a predetermined rotational force to the rotating body, wherein the support portion and the operating portion are formed by forming a connecting ring for connecting fishing equipment by winding the middle part of a steel wire having a constant thickness or a predetermined metal wire in a circular manner, and then gathering the wire portions on both sides in corresponding directions around the connecting ring and erecting the wire portions at a constant angle, and the support portion and the operating portion are configured in a manner in which the gap between the support portion and the operating portion gradually widens upward from the connecting ring, such that a constant elastic force acts between the support portion and the operating portion.

1. Name of the product in this design: Fishing cage (round). 2. Purpose of this design: A tool for fishing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 2 3D diagram. 5. Design 2 is designated as the basic design.

This invention provides a method for automatically retrieving fish traps from an unmanned vessel. The method utilizes a positioning module on the fish trap to obtain its location information, and controls the unmanned vessel to navigate to the location of the fish trap based on this information. The method then controls a retrieval device on the unmanned vessel to retrieve the fish trap. Specifically, this includes: controlling the retrieval device to extend a hook to prepare to grab the fish trap; capturing images of the fish trap using a video monitoring device mounted on the hook; analyzing the positional relationship between the hook and the fish trap using the captured images; adjusting the hook's position based on this relationship; controlling the hook to grab the fish trap; pulling the grabbed fish trap up to a position higher than the unmanned vessel's railing; controlling the retrieval device to rotate the fish trap to a predetermined position on the unmanned vessel; lowering the grabbed fish trap to the predetermined position; and finally, controlling the hook to release the fish trap. The advantage of this invention is that it enables the automatic retrieval of deployed fish traps.