16 results about "Tuna" patented technology

The application discloses a short-term accurate prediction method for tuna longline fishing center fishing ground and hooking route based on middle layer water temperature and ocean current spatial characteristics, and has the characteristics that the fishing ground position is accurately predicted according to the spatial vortex characteristics of the middle layer water temperature (reference 100m water layer, auxiliary reference 50m water layer) and the ocean current (preferably the ocean current of the 100m water layer, auxiliary reference the ocean current of the 50m water layer), and the hooking route is designed according to the method that the hooking route is maximally 90 degrees with the 100m water layer ocean current. The application can accurately predict the fishing ground position and the hooking route by combining the marine environment and the tuna longline fishing boat operation characteristics, and can improve the catch by 10-20% and improve the production effect.

The invention relates to the technical field of fishery. A small tuna lossless fishing device comprises a shipborne fishing rod, an upper fishing line is arranged on the shipborne fishing rod, a lower fishing frame is arranged at the bottom of the upper fishing line, a plurality of net rods are rotationally arranged on the lower fishing frame, and net cloth is arranged between every two adjacent net rods. A force storage triggering mechanism used for driving the net rod to move downwards is arranged between the lower fishing frame and the upper fishing line, a lower fishing line synchronously linked with the force storage triggering mechanism and the net rod is arranged on the lower fishing frame, bait is arranged on the lower fishing line, and a buoy is arranged on the lower fishing frame. According to the lossless fishing device for the small tunas, the small tunas can be caught on a ship under the condition that the small tunas are not damaged basically, the breeding survival rate of the caught small tunas is greatly increased, and the higher fishing requirement can be met. The technical problems that in the prior art, in the tuna sea fishing process at present, the mouth of tuna is prone to being greatly damaged, the survival rate during later feeding is obviously reduced, and higher actual requirements cannot be met are solved.

1. Name of the product in this design: Water Field Wheel (Tuna). 2. Purpose of this design: for paddy field cultivation. 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. Other situations requiring explanation: This design is a similar design, wherein Design 1 is the basic design, and Designs 2, 3, 4, 5, 6, 7, 8, and 9 are similar designs to Design 1.

The application discloses the technical field of aquatic product sorting, and relates to a tuna visual identification and dynamic sorting device, which comprises a clamping type conveying mechanism, a suspension type rotary conveying mechanism, a visual detection system, a sorting mechanism and a plurality of clamping jaw assemblies. The clamping type conveying mechanism is used to realize sequential feeding and equal-interval arrangement of tuna, and eliminate image overlapping from the source. The suspension type rotary conveying mechanism is used in cooperation with the clamping jaw assemblies to realize impact-free transfer of tuna between different stations and guarantee the integrity of the skin of the tuna. The visual detection system is used to effectively extract weak local features and adopt a high-precision identification algorithm that is adaptive to frost interference. The organic combination and collaborative work of the plurality of mechanisms systematically solve the technical problems of low identification precision, discontinuous conveying and poor grading efficiency in the automatic grading process of tuna in the prior art, and realize full-process automation, rhythmization and fine operation from species identification to size sorting.

The application relates to the technical field of fish processing, and discloses a tuna head-removing processing equipment and a processing technology thereof. The tuna head-removing processing equipment comprises a cutting table, a cutting mechanism, a crushed material cleaning mechanism and a clamping mechanism, the top surface of the cutting table is provided with a cutting operation area, the cutting mechanism is arranged on one side of the cutting table close to the cutting operation area, and the cutting operation area is divided into a fish head movable area and a fish body movable area by the cutting end of the cutting mechanism. The crushed material cleaning mechanism is arranged, so that the fish meat crushed material accumulated in the cutting operation area can be scraped and cleaned synchronously during tuna cutting, the fish meat crushed material does not need to be cleaned separately, the cutting processing speed is not affected, manual cleaning operation is replaced, the function of automatically cleaning the fish meat crushed material is realized, and the problems of long-time accumulation of the fish meat crushed material, secondary pollution or waste caused by falling to the ground can be avoided.

The utility model discloses a fishing net drawing lazy arm which comprises a main lazy arm and auxiliary lazy arms arranged on the two sides of the main lazy arm, the end portion of the main lazy arm and the end portions of the auxiliary lazy arms are respectively connected with an angle adjusting assembly in a rotating mode, and the angle adjusting assemblies are installed on a fixing plate in an attached mode. A linkage assembly is connected between the side wall of the main lifting arm and the side wall of the auxiliary lifting arm, audible and visual alarms are installed on the bottom face of the main lifting arm and the side wall of the auxiliary lifting arm in an attached mode, and symmetrically-arranged lug plates are fixedly welded to the bottom face of the main lifting arm and the bottom face of the auxiliary lifting arm. A linkage structure can be formed between the suspension arms, a warning signal can be sent out to warn an operator to stop operation when the distance between the suspension arms is too small, collision between the suspension arms caused by excessive adjustment is avoided, safety during net hauling in tuna fishing operation is guaranteed, large economic loss caused by safety accidents is avoided, and operation flexibility is high.

1. Name of the designed product: TUNA. 2. Use of the designed product: for underwater power propulsion. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.

1. Name of the product in this design: Fish bait (thousand-legged t-tail). 2. Purpose of this design: Fish bait for 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 utility model discloses a tuna blood and meat separating and collecting tool which comprises a handle, a roller, a locking structure and an adsorption roller used for extruding tuna meat and adsorbing tuna blood, one end of the handle is used for being held by hand, the other end of the handle is rotatably connected with the roller, and the adsorption roller comprises a cylinder body coaxially and detachably connected to the roller. A limiting groove is formed in one end of the barrel, the locking structure comprises a fixing plate and a plug pin, the fixing plate is arranged at the end, close to the limiting groove, of the barrel and fixedly connected with the handle, a mounting hole is formed in the fixing plate, the plug pin penetrates through the mounting hole and is in sliding connection with the mounting hole, and the plug pin can be inserted into the limiting groove. Therefore, the adsorption roller is locked. The utility model provides a tuna blood-meat separation and collection tool which reduces fish meat loss and facilitates recovery of fish blood.

The application discloses a tuna underwater non-contact three-dimensional reconstruction system and method, and relates to the technical field of intelligent aquaculture.The system comprises an underwater image acquisition device and a data processing terminal for receiving image data and executing a three-dimensional reconstruction algorithm.The method comprises the following steps: acquiring multi-view RGB images of tuna; using a depth estimation network to infer initial point clouds and a depth map, thereby solving the problem of underwater weak texture matching; constructing a radiation field representation based on a plane Gaussian, using the initial depth map as a geometric prior constraint, optimizing Gaussian parameters through unbiased depth rendering and geometric regularization, and reconstructing a high-fidelity surface; and using the physical size of a semicircular frame to calculate a scale factor and extract a tuna three-dimensional grid model with a real physical scale.The application uses the above-mentioned tuna underwater non-contact three-dimensional reconstruction system and method to solve the problem that tuna cannot be measured by contact due to the need for continuous swimming, and realizes high-precision and real-scale fish body monitoring.

The invention discloses an anti-storm deepwater tuna culture net cage self-balancing device, and belongs to the technical field of deep sea culture equipment.The anti-storm deepwater tuna culture net cage self-balancing device comprises a culture net cage, the culture net cage is provided with first ring bodies which are vertically arranged at intervals, and the first ring bodies are connected through second connecting rods; a supporting column is arranged in the middle of the aquaculture net cage, a first connecting rod connected with the first ring body is arranged on the side face of the supporting column in a surrounding mode, the first connecting rod and the first ring body are hollow and communicate with each other, and first balls are arranged in the first connecting rod and the first ring body. Buoyancy and balance weight are actively adjusted, the culture net cage is kept in a stable state under different sea conditions, the quality and survival rate of cultured organisms are high, and the probability of damage to the cultured organisms in the culture process is low.

The utility model provides a blue circle measuring tool, which relates to the technical field of aquaculture equipment and comprises a measuring assembly, the measuring assembly comprises a main measuring scale and an auxiliary measuring scale, the bottom end of the measuring assembly is fixedly connected with a storage assembly, the outer side of the storage assembly is slidably connected with a supporting assembly, and the storage assembly comprises a sliding rail. One end of the sliding rail is fixedly connected to the main measuring scale, the outer side of the sliding rail is slidably connected with a connecting rod, and the interior of the connecting rod is rotatably connected with a rotating shaft; according to the design, accurate positioning of perpendicularity and measurement of the measuring scale can be easily achieved through the rotary supporting leg and the sliding pair measuring scale, accurate measurement of the fork length of the blue circle can be achieved through sliding and rotating adjustment of the measuring scale, and the device is suitable for blue circles of different sizes. And secondly, when the device is used, the device can be folded through the storage assembly, the storage space is reduced, and through the design, the time consumption caused by repeated adjustment can be effectively reduced, and the occurrence of measurement errors easily caused by repeated adjustment can be effectively reduced.

The invention discloses a tuna weight estimation method and system based on binocular vision, and the method is characterized in that the method comprises the steps: collecting an image sequence of a tuna through a binocular depth camera; performing target detection and tracking on the image sequence to obtain image data of a target tuna; performing image segmentation processing on the image data of the target tuna to obtain segmented images, wherein the segmented images comprise a color image and a depth image; reconstructing a three-dimensional point cloud picture of the target tuna based on the segmented image to extract corresponding size data; and inputting the size data into a pre-trained body weight estimation model so as to estimate the body weight of the target tuna, and outputting a corresponding body weight estimation result. According to the tuna weight estimation method and system based on binocular vision, the applicability of multiple scenes is improved, and the prediction accuracy of the body size and the weight is effectively improved.

The invention discloses a steel wire rope real-time online monitoring method and system based on an intelligent sensor, and relates to the technical field of steel wire rope monitoring. According to the method, a plurality of collection points are arranged on a steel wire rope path, and pretreatment modes such as time synchronous correction, band-pass filtering, tension difference extraction and Z-score standardization are combined; the effective energy level index Elive of the pulse source capable of reflecting the in-vivo pulse energy characteristics of the deep-sea giant tuna is established. A pulsation amplitude item is constructed by adopting a peak-to-peak value P2P, a dispersion item is constructed by using a standard deviation of a real-time tension difference sequence, and a ratio of the pulsation amplitude item to the dispersion item is used as an expression structure of an effective energy level index of a pulsation source, so that the identification capability of the pulsation of a living body on the tension of the steel wire rope can be remarkably improved; effective distinguishing from sea condition disturbance, ship body swing and other pseudo signals is achieved. According to the processing mode, the defect that in the prior art, the non-uniform pulsating type load is difficult to recognize only depending on single-point tension or RMS indexes is overcome.

The application discloses a kind of steel wire rope real-time online monitoring method and system based on intelligent sensor, it is related to steel wire rope monitoring technical field, the method is by setting multiple collection points on steel wire rope path, and combining time synchronization correction, band-pass filtering, tension difference extraction and Z-score standardization etc., establishes the pulsation source effective energy level index Elive capable of reflecting the pulsation energy characteristic of deep-sea giant tuna live body.The peak-peak value P2P is used to construct the pulsation amplitude term, and the standard deviation of real-time tension difference sequence is used to construct the dispersion term, and the ratio of the two is used as the expression structure of the pulsation source effective energy level index, so that the application can significantly improve the identification ability of live body pulsation on steel wire rope tension, and effectively distinguish from sea state disturbance, ship body swing and other pseudo signals.The processing method not only overcomes the defect that the existing technology only relies on single-point tension or RMS index to identify non-uniform pulsation type load.