An automatic processing system for fish catches of fishing vessels

Abstract

The present application relates to the technical field of marine fishery catching, and particularly relates to a fishing boat catch automatic processing system, which comprises a central controller, an automatic sorting device, a conveying device, a cold-chain storage device and a traceability management device. The automatic sorting device is used for identifying and sorting the catch. The carousel sorting device is used for receiving and classifying the catch. The conveying device is connected to the discharge side of the carousel sorting device at the feeding end, and the conveying end of the conveying device extends into the fish hold of the fishing boat. The cold-chain storage device is used for receiving and storing the catch. The traceability management device is in communication connection with the central controller. Through reasonable arrangement of the overall structure and cooperation with each mechanism, the automation degree and operation stability of the fishing boat catch processing are effectively improved, and the labor intensity and sorting and transportation cost are greatly reduced.

Description

Technical Field

[0001] This invention relates to the field of marine fishery fishing technology, and in particular to an automated system for processing the catch of fishing vessels. Background Technology

[0002] Fishing is an important way to obtain marine protein resources. In fishing operations, after the catch is collected on the deck, it needs to go through a series of processing procedures such as sorting, classification, loading, transfer, and refrigeration in the hold. The efficiency and standardization of this process directly affect the freshness of the catch, operating costs, and subsequent traceability, and is a key link in modern fishery production.

[0003] Currently, the handling of catches on traditional fishing vessels relies primarily on manual labor. On deck, crew members must visually identify and manually sort the mixed catch, placing it into different trays or containers according to type and quality. This process is labor-intensive, with inconsistent sorting standards, and efficiency is limited by the crew's experience and physical strength. When the catch is large, this can easily become a bottleneck, leading to the accumulation of catch on deck and a decline in quality. After sorting, the trays must be manually moved to the fish hold opening, and then transported into the hold via simple chutes or manual transfer, which can easily damage the catch and poses a risk of it slipping. Due to the lack of effective automatic sorting and buffering mechanisms, different types and varieties of catch are easily confused during sorting and transfer. In storage, the catch is stacked relatively haphazardly in the hold, lacking precise monitoring and management of storage location, environmental temperature, and humidity. More importantly, information throughout the entire process from sorting to warehousing (such as category, weight, fishing location, and time) mainly relies on manual recording. The data chain is prone to interruption and errors, making it difficult to meet the needs of modern fisheries management and market supervision for refined and full-process traceability of aquatic product sources and quality. Summary of the Invention

[0004] To address the above problems, this application provides an automated processing system for fishing vessel catches, comprising: Central controller; An automated sorting device installed on the deck of a fishing boat is used to identify and sort the catch. A rotary sorting device located on one side of the automatic sorting device is used to receive and classify the catch from the automatic sorting device; A conveying device, wherein the feed end of the conveying device is connected to the discharge side of the turntable sorting device, and its conveying end extends into the fish hold of the fishing boat. The cold chain storage device installed in the fish hold is used to receive and store the catch transported by the conveying device; And a traceability management device that is communicatively connected to the central controller.

[0005] In one embodiment, the rotary sorting device includes: A frame that is fixedly installed on the deck; A rotating turntable is rotatably mounted on the frame via bearings. The rotating turntable has multiple positioning grooves evenly distributed around its circumferential edge, and the openings of the positioning grooves face away from the center of the rotating turntable. A turntable drive motor mounted on the frame for driving the rotating turntable to rotate; Fish trays are respectively placed in each of the positioning slots, and each positioning slot has a corresponding fish tray. A feeding mechanism is fixedly installed on the frame and located inside the plurality of fish-loading trays, with the output end of the feeding mechanism pointing towards the feed end of the conveying device.

[0006] In one embodiment, the automated sorting device includes: A catch target classification module is located on the side of the turntable sorting device and is used to collect images of the catch. The sorting robot is located within the recognition area of ​​the fish catch classification module; The central controller receives image data from the catch target classification module and controls the sorting robot to grab the catch and put it into the fish tray corresponding to the type of catch in the turntable sorting device.

[0007] In one embodiment, the turntable sorting device further includes an angle encoder connected to the turntable drive motor and the central controller, for detecting and feeding back the rotation angle of the turntable.

[0008] In one embodiment, the system further includes multiple fish-loading tray detectors, which are arranged one-to-one with the positioning slots. The fish-loading tray detectors are either weight detectors or visual detectors. The signal output terminals of the fish-loading tray detectors are electrically connected to the central controller and are used to collect the full-load status signal of the fish-loading trays inside the corresponding positioning slots in real time and transmit it to the central controller.

[0009] In one embodiment, the conveying device includes a first conveying mechanism and a second conveying mechanism; The first conveying mechanism is arranged horizontally, and its feed end receives the discharge side of the turntable sorting device. The first end of the second conveying mechanism is connected to the end of the first conveying mechanism, and its second end extends to the cold chain storage device inside the fish hold; The second conveying mechanism is either an adjustable-angle belt conveyor or a vertical lifting conveyor.

[0010] In one embodiment, the conveyor belt surface of the first conveying mechanism and / or the second conveying mechanism is provided with anti-slip protrusions, which are arranged in a horizontally segmented staggered pattern or a 45° herringbone diagonal pattern.

[0011] In one embodiment, a sludge washing device is also provided, the sludge washing device comprising: High-pressure water pump; In addition, there are multiple spray heads, which are connected to the high-pressure water pump through pipelines and are respectively arranged on the side of the conveying area of ​​the first conveying mechanism and the second conveying mechanism.

[0012] In one embodiment, the cold chain storage device includes: A multi-layer racking mechanism is installed inside the fish hold; Temperature and humidity sensors are installed inside the fish hold and on each layer of the racking mechanism; In addition, a shelf positioning module is used to acquire and store the specific storage location information of the catch stored on the shelf mechanism.

[0013] In one embodiment, the traceability management device includes: An RFID tag generation module is used to generate a unique RFID tag for each of the fish-filling trays. Multiple RFID readers are respectively installed at the inlet / outlet of the conveying device, at the entrance of the cold chain storage device, and on the racking mechanism; A data storage module is used to store the entire process data bound to the RFID tag; The RFID tag generation module, RFID reader, and data storage module are all bidirectionally connected to the central controller.

[0014] The beneficial effects of this invention are as follows: This invention provides an automated processing system for fishing vessel catches. Through a rationally arranged overall structure and coordinated operation of various mechanisms, it effectively improves the automation level and operational stability of fishing vessel catch processing, significantly reducing manual labor intensity and sorting and transfer costs. An automatic sorting device enables automatic identification and precise grabbing and sorting of catches, replacing manual sorting with high classification accuracy and consistency. A turntable sorting device, utilizing a frame, rotating turntable, fish-loading trays, a pushing mechanism, and an angle encoder, achieves automatic classification and collection of different types of catches, precise workstation alignment, and fixed-point automatic pushing and unloading. The compact structure and smooth operation effectively improve classification and sorting efficiency. Fish-loading tray detectors, corresponding one-to-one with positioning slots, monitor the full-load status of the fish-loading trays in real time, achieving fully automated linkage operations for loading, standby, rotation, and unloading, ensuring continuous and stable equipment operation. A conveyor device is also included. The system achieves smooth transport from the deck to the fish hold. The second conveyor mechanism is adaptable to different ship types and drop conditions, offering strong versatility. The anti-slip protrusions on the conveyor belt prevent the fish trays from slipping and falling, and also form a guide channel to drain seawater, fish scales, and slime debris, preventing clogging and corrosion of the conveyor equipment. A sludge cleaning device enables automatic spray cleaning throughout the entire area, eliminating the need for manual cleaning. A cold chain storage device allows for layered and orderly storage of catches, real-time temperature and humidity monitoring, and precise storage location, ensuring the freshness of the catches and providing visualized storage management. Furthermore, a traceability management device, including an RFID tag generation module, RFID reader / writer, and data storage module, enables full-process data binding, real-time tracking, and complete traceability recording for each fish tray and its corresponding catch, meeting the requirements for standardized supervision of aquatic products. The system boasts a high degree of automation, strong structural adaptability, excellent operational results, and stable equipment operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a top view of the present invention; 1. Automated sorting device; 11. Sorting robot; 2. Turntable sorting device; 21. Frame; 22. Rotary turntable; 23. Pushing mechanism; 3. Conveying device; 31. First conveying mechanism; 4. Arrange the fish on a serving plate; 5. Sludge washing device; 51. Spray head. Detailed Implementation

[0016] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0017] The present invention will be further described in detail below with reference to specific embodiments.

[0018] This embodiment discloses an automated processing system for fishing vessel catches. The system is mainly applicable to the automatic sorting, classification, transfer, cold chain storage, and full-process traceability management of catches after fishing operations at sea. It can replace the traditional manual sorting and transfer mode, and is suitable for the special operating environment of fishing vessel decks with small space, high humidity, and a lot of seawater debris, so as to realize the fully automated operation of the catch going ashore and into the warehouse.

[0019] like Figure 1 , 2 As shown, the system of this invention specifically includes a central controller, an automatic sorting device 1, a rotary sorting device 2, a conveying device 3, a cold chain storage device, and a traceability management device. The automatic sorting device 1 is entirely located on the deck area of ​​the fishing vessel and is mainly used for image recognition and automatic sorting of mixed catches after harvesting. The rotary sorting device 2 is positioned below the discharge side of the automatic sorting device 1 to receive the catches sorted by the automatic sorting device 1 and to automatically classify and buffer different types of catches. The conveying device 3 is entirely erected between the fishing vessel deck and the cold storage in the fish hold. The inlet end of the conveying device 3 connects to the discharge side of the rotary sorting device 2, and the conveying end of the conveying device 3 extends into the fish hold of the fishing vessel to automatically transport the sorted catches into the fish hold. The cold chain storage device is entirely installed inside the fish hold to receive and store the catches transported by the conveying device 3, achieving low-temperature preservation and storage. The traceability management device maintains a two-way communication connection with the central controller to bind, record, and trace data throughout the entire process of fish sorting, transfer, and storage, thereby achieving full lifecycle traceability management of the fish. The central controller, as the core of the entire system, is electrically connected to all electronic control components, sensing components, and execution components within the system, coordinating the coordinated operation of all mechanisms.

[0020] like Figure 1 , 2 As shown, the turntable sorting device 2 specifically includes a frame 21, a rotating turntable 22, a turntable drive motor, a fish loading tray 4, and a pushing mechanism 23. The frame 21 is detachably mounted on the deck of the fishing boat, serving as the fixed support base for the entire turntable sorting device 2, ensuring a stable structure. The rotating turntable 22 is rotatably mounted on the upper part of the frame 21 via bearings, allowing it to rotate horizontally relative to the frame 21. Multiple positioning grooves are evenly distributed along the circumference of the edge of the rotating turntable 22. These grooves have a concave structure, and all openings face outwards from the center of the rotating turntable 22, facilitating the subsequent pushing of material from the fish loading tray 4. The turntable drive motor is fixedly mounted on the frame 21, and its output is coupled with the rotating turntable 22 to provide rotational power, driving the turntable 22 to rotate intermittently and precisely.

[0021] Each positioning slot contains a movable fish-loading tray 4, which fits into the positioning slot with a clearance, allowing the fish-loading tray 4 to rotate synchronously with the rotating turntable 22 and to slide smoothly out along the outer opening of the positioning slot under load. The pushing mechanism 23 is fixedly mounted on the frame 21 and is arranged in the central area inside the multiple fish-loading trays 4. The pushing mechanism 23 adopts a linear cylinder pushing structure, with its telescopic output end facing the feeding end of the conveying device 3. Only when the fully loaded fish-loading tray 4 rotates with the rotating turntable 22 to the pushing position, the pushing mechanism 23 extends and smoothly pushes the fish-loading tray 4 to the feeding end of the conveying device 3, completing the automatic unloading operation.

[0022] like Figure 1 , 2 As shown, the automatic sorting device 1 specifically includes a catch target classification module and a sorting robot 11. The catch target classification module is installed on the side of the turntable sorting device 2. The catch target classification module is a catch target classification and detection system based on image recognition. The catch target classification module integrates a hyperspectral imager and a 3D vision sensor, which can perform high-definition image acquisition of mixed catches stacked on the deck, and obtain image data of the shape and category characteristics of the catches. The catch target classification module is existing technology and will not be described in detail here. The sorting robot 11 is arranged within the recognition area of ​​the catch target classification module. The sorting robot 11 adopts a multi-axis linkage mechanical structure and has the functions of precise gripping and fixed-point delivery.

[0023] During the operation, the catch classification module collects real-time image data of the catch and transmits it to the central controller. The central controller has a built-in recognition model that can intelligently analyze the collected image data and accurately determine the specific category of the catch. Based on the recognition results, the central controller matches the corresponding positioning slot on the turntable sorting device 2 and controls the sorting robot 11 to accurately grab the identified catch and place it into the corresponding fish loading tray 4, thus realizing the automatic classification and placement of different categories of catch.

[0024] Furthermore, the rotary sorting device 2 is also equipped with an angle encoder, which is fixedly installed on the frame 21. The angle encoder is connected to the rotary drive motor and the central controller. The angle encoder can detect the rotation angle and rotation position data of the rotary turntable 22 in real time and feed the real-time position signal back to the central controller. The central controller controls the start and stop of the rotary drive motor and the rotation angle in a closed loop, ensuring that the rotary turntable 22 can achieve precise workstation alignment with each rotation. This ensures that the fish loading tray 4 at the target workstation is accurately positioned at the feeding position of the sorting robot 11 and the pushing position of the pushing mechanism 23, eliminating problems such as workstation offset, feeding misalignment, and pushing deviation. With the cooperation of the turntable drive motor and the angle encoder, the rotary turntable 22 can achieve precise intermittent rotation and shortest path angle positioning without reciprocating rotation. Each positioning slot corresponds to a single pre-set catch category. According to the identification result of the catch target classification module, the central controller controls the rotary turntable 22 to rotate the positioning slot of the corresponding category to the feeding position of the sorting robot 11, so as to realize the continuous collection and feeding of the same type of catch into the same fish loading tray 4.

[0025] This system also includes multiple fish-loading tray detectors, each corresponding to a positioning slot on the rotating turntable 22. The fish-loading tray detectors can be either weight detectors or vision detectors, allowing for flexible selection based on actual operating conditions. The signal output of each fish-loading tray detector is electrically connected to the central controller, enabling real-time acquisition of the loading status of the fish-loading trays 4 inside the corresponding positioning slots. It detects whether the fish-loading trays 4 have reached full load and transmits the full-load signal to the central controller in real time. When a fish-loading tray 4 at a certain station is full, the central controller records this full-load station, controls the rotating turntable 22 to rotate, and transfers the full-load station to the corresponding discharge position of the pushing mechanism 23, providing a signal basis for automatic material pushing and discharge.

[0026] like Figure 1 , 2 As shown, the conveying device 3 specifically includes a first conveying mechanism 31 and a second conveying mechanism. The first conveying mechanism 31 is a horizontally arranged belt conveyor structure. Its inlet end connects to the outlet side of the turntable sorting device 2, directly receiving the fully loaded fish trays 4 pushed out by the pushing mechanism 23. One end of the second conveying mechanism connects to the end of the first conveying mechanism 31, while the other end extends to the cold chain storage device inside the fish hold, enabling cross-area transport from the deck to the fish hold. The second conveying mechanism can adopt two structural forms: an adjustable-angle belt conveyor or a vertical lifting conveyor. The appropriate type can be flexibly selected based on the fish hold opening height and the height difference between the deck and the fish hold, adapting to the installation and transport needs of different vessels.

[0027] Both the first conveyor mechanism 31 and the second conveyor mechanism have anti-slip protrusions on their conveyor belt surfaces. These protrusions can be arranged in a horizontally segmented, staggered pattern or a 45° herringbone-shaped, diagonal pattern. In this embodiment, the anti-slip protrusions are preferably arranged in a horizontally segmented, staggered pattern. This not only effectively increases the friction between the conveyor belt and the bottom of the fish tray 4, preventing the fish tray 4 and the catch inside from sliding, shifting, or falling during transport, but also creates a flow-guiding gap between adjacent protrusions. This allows seawater, fish slime, fish scales, and other debris adhering to the surface to be discharged promptly, preventing debris accumulation that could cause blockage and corrosion of the conveyor belt and improving the stability of the equipment operation.

[0028] like Figure 1 , 2 As shown, this system also includes a sludge cleaning device 5, which comprises a high-pressure water pump and multiple spray heads 51. The multiple spray heads 51 are connected to the high-pressure water pump via pipelines. All spray heads 51 are respectively arranged on the sides of the conveying areas of the first conveyor mechanism 31 and the second conveyor mechanism, achieving a full-length, full-coverage spraying layout for the conveyor belt. During operation, when the conveyor device 3 is not carrying a fish tray 4, the central controller automatically starts the high-pressure water pump. The high-pressure water pump outputs high-pressure fresh water, which is sprayed and cleaned from all directions on the surface of the conveyor belt through each spray head 51, promptly washing away fish scales, mucus, and seawater impurities adhering to the surface of the conveyor belt. This achieves automated equipment cleaning, eliminating the need for manual cleaning and adapting to the highly polluted operating environment of fishing vessels.

[0029] The cold chain storage system is located inside the fish hold of the fishing vessel and includes a multi-layer racking system, temperature and humidity sensors, and a racking positioning module. The multi-layer racking system is fixedly installed inside the fish hold and is used to arrange the fish trays 4 transported into the storage area in layers, achieving orderly classification and storage of the catch. Temperature and humidity sensors are deployed in open areas inside the fish hold and at each level of the racking system. They can collect real-time temperature and humidity data for the overall environment of the fish hold and each storage area, and feed this data back to the central controller. This allows staff to monitor the cold chain storage environment in real time, ensuring the freshness of the catch. The racking positioning module, combined with a 3D model of the fish hold's interior layout, can obtain the specific location of each fish tray 4 on the racking system in real time, accurately recording the storage location of the catch and achieving visualized storage management.

[0030] The traceability management device includes an RFID tag generation module, multiple RFID readers, and a data storage module. The RFID tag generation module generates a unique RFID electronic tag for each fish loading tray 4 within the system, achieving independent identification for each tray. Multiple RFID readers are installed at the feeding and discharging ends of the conveyor device 3, the entrance to the cold chain storage unit in the fish hold, and at each level of the shelving mechanism, respectively, capable of reading the RFID tag information of the fish loading trays 4 throughout the entire process. The data storage module is used for long-term storage of all data related to the catch bound to RFID tags throughout the entire process. The RFID tag generation module, RFID readers, and data storage module all maintain a bidirectional communication connection with the central controller. During the operation, the system automatically binds all dimensions of information, such as the type of catch, sorting time, GPS location of the catch, storage time, storage temperature and humidity, and storage location, to the RFID tag of the corresponding fish tray 4. Throughout the entire process of transportation, storage, and warehousing, the RFID reader updates the location and status data in real time and stores it in the data storage module, realizing full traceability of the catch from sorting, transportation, storage to warehousing, and meeting the requirements for traceability supervision of aquatic products.

[0031] The overall workflow of this invention is as follows: The caught fish are placed on the deck of the fishing vessel in the sorting area. The catch target classification module performs image acquisition and category identification. The central controller controls the sorting robot 11 to grab the fish based on the identification results and accurately place it into the corresponding category loading tray 4 of the turntable sorting device 2. The loading tray detector monitors the loading status in real time and sends a feedback signal to the central controller when it is full. The central controller controls the rotating turntable 22 to precisely rotate and align, transferring the full-loaded loading tray 4 to the discharge station. The pushing mechanism 23 pushes the loading tray 4 to the first conveying mechanism 31. The tray is then transported into the fish hold via the first and second conveying mechanisms. The sludge cleaning device 5 automatically sprays and cleans the tray. After storage, the loading tray 4 is placed orderly on the shelf mechanism of the cold chain storage device, achieving constant temperature and freshness storage with temperature and humidity monitoring and warehouse positioning. The entire process is data-bound and recorded by the traceability management device, realizing fully automated and intelligent processing of the catch.

[0032] The beneficial effects of this application compared to the prior art are as follows: This invention provides an automated processing system for fishing vessel catches. Through a rationally arranged overall structure and coordinated operation of various mechanisms, it effectively improves the automation level and operational stability of fishing vessel catch processing, significantly reducing manual labor intensity and sorting and transfer costs. An automatic sorting device 1 enables automatic identification and precise grabbing and sorting of catches, replacing manual sorting with high classification accuracy and consistency. A turntable sorting device 2, utilizing a frame 21, a rotating turntable 22, a fish loading tray 4, a pushing mechanism 23, and an angle encoder, achieves automatic classification and collection of different types of catches, precise workstation alignment, and fixed-point automatic pushing and discharging. The compact structure and smooth operation effectively improve classification and sorting efficiency. Fish loading tray detectors, corresponding one-to-one with the positioning slots, monitor the full load status of the fish loading tray 4 in real time, achieving fully automated linkage operations for loading, standby, rotation, and discharging, ensuring continuous and stable equipment operation. Furthermore, by setting up a transmission... The conveyor device 3 enables smooth transport from the deck to the fish hold. The second conveyor mechanism is adaptable to different ship types and drop conditions, making it highly versatile. The anti-slip protrusions on the conveyor belt prevent the fish trays 4 from sliding and falling, and also form a guide channel to drain seawater, fish scales, and slime debris, preventing clogging and corrosion of the conveyor equipment. The sludge cleaning device 5 enables automatic spray cleaning of the entire area, eliminating the need for manual cleaning. The cold chain storage device enables layered and orderly storage of the catch, real-time temperature and humidity monitoring, and precise storage location, ensuring the freshness of the catch and visualized storage management. At the same time, the traceability management device, which includes an RFID tag generation module, an RFID reader, and a data storage module, enables full-process data binding, real-time tracking, and full traceability recording for each fish tray 4 and its corresponding catch, meeting the requirements for standardized supervision of aquatic products. The overall system features a high degree of automation, strong structural adaptability, good operational results, and stable equipment operation.

[0033] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

[0034] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

Claims

1. An automated processing system for fishing vessel catches, characterized in that, include: Central controller; An automatic sorting device (1) installed on the deck of a fishing boat is used to identify and sort the catch; A turntable sorting device (2) located on one side of the automatic sorting device is used to receive and classify the catch from the automatic sorting device (1); The conveying device (3) has its feed end connected to the discharge side of the turntable sorting device (2), and its conveying end extends into the fish hold of the fishing boat. The cold chain storage device installed in the fish hold is used to receive and store the catch transported by the conveying device (3); And a traceability management device that is communicatively connected to the central controller.

2. The automated processing system for fishing vessel catch according to claim 1, characterized in that, The rotary sorting device (2) includes: A frame (21) fixedly installed on the deck; A rotating turntable (22) is rotatably mounted on the frame (21) via bearings. The rotating turntable (22) has a plurality of positioning grooves evenly distributed around its circumferential edge, and the opening direction of the positioning grooves is toward the side away from the center of the rotating turntable (22). A turntable drive motor mounted on the frame (21) for driving the rotating turntable (22) to rotate; Fishing trays (4) are placed in each of the positioning slots respectively, and each positioning slot has a corresponding fishing tray (4); A feeding mechanism (23) is fixedly installed on the frame (21) and located inside the plurality of fish trays (4), with the output end of the feeding mechanism (23) pointing to the feed end of the conveying device (3).

3. The automated processing system for fishing vessel catch according to claim 2, characterized in that, The automatic sorting device (1) includes: A catch target classification module is located on the side of the turntable sorting device (2) and is used to collect images of the catch. Sorting robot (11), the sorting robot (11) is located in the identification area of ​​the catch target classification module; The central controller receives image data from the catch target classification module and controls the sorting robot (11) to grab the catch and put it into the fish tray (4) corresponding to the type of catch in the turntable sorting device (2).

4. The automated processing system for fishing vessel catch according to claim 2, characterized in that, The turntable sorting device (2) also includes an angle encoder, which is connected to the turntable drive motor and the central controller to detect and provide feedback on the rotation angle of the turntable (22).

5. The automated processing system for fishing vessel catch according to claim 2, characterized in that, It also includes multiple fish-loading plate detectors, which are arranged one-to-one with the positioning slots. The fish-loading plate detectors are weight detectors or visual detectors. The signal output terminals of the fish-loading plate detectors are electrically connected to the central controller and are used to collect the full-load status signal of the corresponding fish-loading plate (4) inside the positioning slot in real time and transmit it to the central controller.

6. The automated processing system for fishing vessel catch according to claim 1, characterized in that, The conveying device (3) includes a first conveying mechanism (31) and a second conveying mechanism; The first conveying mechanism (31) is arranged horizontally, and its feed end receives the discharge side of the turntable sorting device (2); The first end of the second conveying mechanism is connected to the end of the first conveying mechanism (31), and its second end extends to the cold chain storage device inside the fish hold; The second conveying mechanism is either an adjustable-angle belt conveyor or a vertical lifting conveyor.

7. The automated processing system for fishing vessel catch according to claim 6, characterized in that, The conveyor belt surface of the first conveyor mechanism (31) and / or the second conveyor mechanism is provided with anti-slip protrusions, and the anti-slip protrusions adopt a horizontal segmented staggered arrangement structure or a 45° herringbone diagonal arrangement structure.

8. The automated processing system for fishing vessel catch according to claim 6, characterized in that, A sludge washing device (5) is also provided, the sludge washing device (5) comprising: High-pressure water pump; In addition, there are multiple spray heads (51), which are connected to the high-pressure water pump through pipelines and are respectively arranged on the side of the conveying area of ​​the first conveying mechanism (31) and the second conveying mechanism.

9. The automated processing system for fishing vessel catch according to claim 1, characterized in that, The cold chain storage facility includes: A multi-layer racking mechanism is installed inside the fish hold; Temperature and humidity sensors are installed inside the fish hold and on each layer of the racking mechanism; In addition, a shelf positioning module is used to acquire and store the specific storage location information of the catch stored on the shelf mechanism.

10. An automated processing system for fishing vessel catch according to claim 2, characterized in that, The traceability management device includes: An RFID tag generation module is used to generate a unique RFID tag for each of the fish-filling trays (4); Multiple RFID readers are respectively installed at the inlet / outlet end of the conveying device (3), at the entrance of the cold chain storage device, and on the shelf mechanism; A data storage module is used to store the entire process data bound to the RFID tag; The RFID tag generation module, RFID reader, and data storage module are all bidirectionally connected to the central controller.

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