Intelligent fish identifying and sorting device and sorting method

By designing an intelligent fish identification and sorting device and automatically sorting fish with DC electric field, the problems of low efficiency and limited accuracy of traditional manual sorting are solved, efficient and automated fish activity sorting are achieved, and food safety is improved.

CN119817512AInactive Publication Date: 2025-04-15SOUTH CHINA AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202510189299.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-04-15
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional fish activity sorting relies on manual judgment, and there are problems of low efficiency, limited accuracy and high labor costs.

Method used

An intelligent fish identification and sorting device is designed to use a DC electric field to automatically sort fish according to their activity level. Fish are electrically stimulated in water containing direct current. The fish with high activity swim towards the positive electrode conductive plate, and the fish with low activity swim towards the negative electrode conductive plate, thereby pushing and sweeping to the corresponding collection box through the grid.

Benefits of technology

It realizes automated sorting without manual sorting, improves sorting efficiency, reduces resource waste, and improves food safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an intelligent fish identifying and sorting device which comprises a sorting pool, the sorting pool is an arc-shaped box, two supporting plates are fixedly connected to the bottom side wall of the sorting pool, water is arranged in the sorting pool, a water flow circulating device is arranged at the bottom of the sorting pool, fixing plates are fixedly connected to the two ends of the sorting pool, and the fixing plates are fixedly connected to the two ends of the sorting pool. A horizontal shaft is rotationally connected between the two fixing plates, a fish pushing device is arranged on the horizontal shaft, and water flow in the sorting pool flows to one side of the negative current-conducting plate from the positive current-conducting plate. According to the invention, healthy and active fishes and weak and sick fishes can be automatically and intelligently treated separately without manual sorting through the positive taxis reaction of the fishes in direct current, so that the fishes with poor quality can be prevented from being put into the market, the resource waste is reduced, and the sorting efficiency is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of fish sorting, and in particular to a fish intelligent identification and sorting device and a sorting method. Background Art

[0002] The existing fish activity sorting refers to separating healthy and active fish from weak and sick fish, which can avoid putting poor quality fish on the market and reduce resource waste. Activity sorting can ensure that only healthy and active fish are selected. These fish usually have more delicious meat and higher nutritional value. Through sorting, fish that may carry pathogens or parasites can be discovered and excluded in time, thereby reducing the risk of consumers eating them and improving food safety.

[0003] Traditional fish activity sorting generally relies on manual judgment, but manual sorting has the disadvantages of low sorting efficiency, limited sorting accuracy, and high labor costs. In order to improve sorting efficiency and reduce costs, the present invention proposes a fish intelligent identification and sorting device and a sorting method. Summary of the invention

[0004] The present invention provides a fish intelligent identification and sorting device and a sorting method to solve the problems raised in the above background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A fish intelligent identification and sorting device comprises a sorting pool, the sorting pool is arranged in an arc-shaped box, two support plates are fixedly connected to the bottom side wall of the sorting pool, water is arranged in the sorting pool, a water circulation device is arranged at the bottom of the sorting pool, both ends of the sorting pool are fixedly connected to fixed plates, a horizontal axis is rotatably connected between the two fixed plates, a fish pushing device is arranged on the horizontal axis, and the water flow in the sorting pool flows from the positive conductive plate to the negative conductive plate side;

[0007] It also includes a DC power supply, and the inner side walls at both ends of the sorting pool are respectively fixedly connected with a positive conductive plate and a negative conductive plate, and the positive and negative ends of the DC power supply are respectively electrically connected to the positive conductive plate and the negative conductive plate through wires.

[0008] Preferably, the water circulation device includes a turntable shell, a casing is fixedly connected to the bottom side wall of the turntable shell, a motor is fixedly connected inside the casing, a rotating rod is fixedly connected to the output shaft of the motor, the rotating rod vertically penetrates and is rotatably connected to the side wall of the turntable shell, a circular plate is rotatably connected to the inner center of the turntable shell, the circular plate is fixedly connected to the rotating rod, an annular cavity is formed between the outer side wall of the circular plate and the inner side wall of the turntable shell, a water guiding hose is provided in the annular cavity, both ends of the water guiding hose penetrate the side wall of the turntable shell, and the two ends of the water guiding hose are respectively connected to the bottom side walls of the sorting pool at both ends, the upper end of the rotating rod is fixedly connected to a first bevel gear, the side wall of the first bevel gear is fixedly connected to a second bevel gear, and the second bevel gear is fixedly connected to one end of the horizontal shaft.

[0009] Preferably, the fish pushing device comprises four fixing rods, and the four fixing rods are symmetrically fixedly connected to the side wall of the horizontal axis in pairs, and one end of each fixing rod is fixedly connected to a grid plate, and the four grid plates are respectively close to one side of the positive conductive plate and the negative conductive plate in pairs.

[0010] Preferably, two collecting boxes are further included, and the two collecting boxes are respectively close to one side of the positive conductive plate and the negative conductive plate.

[0011] Preferably, a conveying pipe is fixedly connected to the central side wall of the sorting pool, and an input nozzle is fixedly connected to one end of the conveying pipe.

[0012] Preferably, the method comprises the following steps:

[0013] The first step is to start the motor, which can drive the rotating rod to rotate, and the rotation of the rotating rod can drive the circular plate to rotate. The rotation of the circular plate can drive the two extrusion blocks on its side wall to circumferentially squeeze the water-conducting hose in the turntable shell, so that the water-conducting hose generates suction, and inputs the water flow near the negative conductive plate in the sorting pool to the side near the positive conductive plate in the sorting pool, thereby causing the water flow in the sorting pool to continuously flow from the positive conductive plate to the negative conductive plate.

[0014] The second step is to start the DC power supply so that the positive conductive plate and the negative conductive plate have positive and negative charges respectively, and the water flow between the positive conductive plate and the negative conductive plate generates DC power;

[0015] The third step is to throw the fish whose activity needs to be sorted into the input port, and when the fish enter the water flow in the middle of the sorting pool through the conveying pipe, the fish with high activity will be electrically stimulated in the water containing direct current, and will swim toward the positive conductive plate with positive charge, and the fish with low activity will flow to the side close to the negative conductive plate under the action of the water flow in the sorting pool when they are unable to swim; while the rotating rod rotates, the rotating rod can drive the horizontal axis to rotate continuously through the first bevel gear and the second bevel gear, and the rotation of the horizontal axis can drive the four grid plates to rotate inside the two ends of the sorting pool respectively, and the rotating grid plates can push and sweep the high-activity fish close to the positive conductive plate and the low-activity fish close to the negative conductive plate out of the sorting pool respectively, and drop them into two collection boxes respectively.

[0016] Preferably, the optimal electric field strength between the positive conductive plate and the negative conductive plate for sorting adult black carp is in the range of 0.95-1.25 V / cm.

[0017] Preferably, the optimal electric field strength between the positive conductive plate and the negative conductive plate for sorting adult grass carp is in the range of 0.85-1.45 V / cm.

[0018] Preferably, the optimal electric field strength range between the positive conductive plate and the negative conductive plate for sorting adult carp is 0.95-1.15 V / cm.

[0019] Preferably, the optimal electric field strength range between the positive conductive plate and the negative conductive plate for sorting adult crucian carp is 0.80-1.05 V / cm.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention utilizes the heliotropism reaction of fish in direct current to automatically and intelligently separate healthy and active fish from weak and sick fish without manual sorting, thereby preventing poor-quality fish from being put on the market, reducing resource waste and improving sorting efficiency.

[0022] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0024] Figure 1This is a schematic diagram of the three-dimensional structure of a fish intelligent identification and sorting device proposed by the present invention;

[0025] Figure 2 This is a schematic diagram of the front cross-sectional structure of a fish intelligent identification and sorting device proposed by the present invention;

[0026] Figure 3 This is a schematic diagram of the top view of the structure of a fish intelligent identification and sorting device proposed by the present invention;

[0027] Figure 4 This is a schematic diagram of the side cross-sectional structure of a fish intelligent identification and sorting device proposed by the present invention;

[0028] Figure 5 It is a front view cross-sectional structure diagram of the turntable shell and the housing in the present invention;

[0029] Figure 6 It is a schematic diagram of the top cross-sectional structure of the turntable shell of the present invention.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 1. Turntable shell; 2. Motor; 3. Casing; 4. Water hose; 5. Sorting tank; 6. Support plate; 7. Rotating rod; 8. First bevel gear; 9. Second bevel gear; 10. Fixed plate; 11. Grid plate; 12. Fixed rod; 13. Horizontal axis; 14. Feeding nozzle; 15. Conveying pipeline; 16. DC power supply; 17. Collecting box; 18. Round plate; 19. Extrusion block; 20. Negative conductive plate; 21. Positive conductive plate. DETAILED DESCRIPTION

[0032] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail by way of example with reference to the accompanying drawings in the following paragraphs. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0033] See also Figure 1 to Figure 6In an embodiment of the present invention, a fish intelligent identification and sorting device includes a sorting pool 5, which is arranged in an arc-shaped box. Two support plates 6 are fixedly connected to the bottom side walls of the sorting pool 5. Water is arranged in the sorting pool 5. A water circulation device is arranged at the bottom of the sorting pool 5. The water circulation device includes a turntable shell 1. A housing 3 is fixedly connected to the bottom side wall of the turntable shell 1. A motor 2 is fixedly connected to the housing 3. The output shaft of the motor 2 is fixedly connected to a rotating rod 7. The rotating rod 7 vertically penetrates and is rotatably connected to the side wall of the turntable shell 1. A circular plate 18 is rotatably connected to the center of the interior, and the circular plate 18 is fixedly connected to the rotating rod 7. An annular cavity is formed between the outer wall of the circular plate 18 and the inner wall of the turntable shell 1. A water hose 4 is provided in the annular cavity. Both ends of the water hose 4 penetrate the side walls of the turntable shell 1, and both ends of the water hose 4 are respectively connected to the bottom side walls of the sorting pool 5. The upper end of the rotating rod 7 is fixedly connected to the first bevel gear 8, and the side wall of the first bevel gear 8 is fixedly connected to the second bevel gear 9, and the second bevel gear 9 is fixedly connected to one end of the horizontal shaft 13.

[0034] Both ends of the sorting pool 5 are fixedly connected with fixed plates 10, a horizontal axis 13 is rotatably connected between the two fixed plates 10, a fish pushing device is arranged on the horizontal axis 13, and the fish pushing device comprises four fixed rods 12, the four fixed rods 12 are respectively and symmetrically fixedly connected to the side wall of the horizontal axis 13, one end of each fixed rod 12 is fixedly connected with a grid plate 11, the four grid plates 11 are respectively close to one side of the positive conductive plate 21 and the negative conductive plate 20, and two collecting boxes 17 are respectively arranged on the side close to the positive conductive plate 21 and the negative conductive plate 20; the water flow in the sorting pool 5 flows from the positive conductive plate 21 to the negative conductive plate 20, a conveying pipe 15 is fixedly connected to the central side wall of the sorting pool 5, and one end of the conveying pipe 15 is fixedly connected with a feeding nozzle 14;

[0035] It also includes a DC power supply 16. The inner side walls at both ends of the sorting tank 5 are respectively fixedly connected with a positive conductive plate 21 and a negative conductive plate 20. The positive and negative ends of the DC power supply 16 are respectively electrically connected to the positive conductive plate 21 and the negative conductive plate 20 through wires. It should be noted that the head and tail of the fish have a constant potential difference, the head is negatively charged (-), and the tail is positively charged (+). In a DC electric field, according to the principle that like charges repel and unlike charges attract, the head of the fish will face the anode (positive pole) with a higher potential in the electric field, and the tail will face the cathode (negative pole) with a lower potential. Therefore, the fish will swim towards the anode.

[0036] A sorting method of a fish intelligent identification and sorting device comprises the following steps:

[0037] The first step is to start the motor 2, which can drive the rotating rod 7 to rotate. The rotation of the rotating rod 7 can drive the circular plate 18 to rotate. The rotation of the circular plate 18 can drive the two extrusion blocks 19 on its side wall to circumferentially squeeze the water hose 4 in the turntable shell 1, so that the water hose 4 generates suction, and the water flow near the negative conductive plate 20 in the sorting tank 5 is input to the side near the positive conductive plate 21 in the sorting tank 5 through the water hose 4, so that the water flow in the sorting tank 5 continues to flow from the positive conductive plate 21 to the negative conductive plate 20 side;

[0038] The second step is to start the DC power supply 16, so that the positive conductive plate 21 and the negative conductive plate 20 have positive and negative charges respectively, and the water flow between the positive conductive plate 21 and the negative conductive plate 20 generates DC power;

[0039] In the third step, after the fishes whose activity needs to be sorted are thrown into the input port 14, when the fishes enter the water flow in the middle of the sorting pool 5 through the conveying pipe 15, the fishes with high activity are electrically stimulated in the water containing direct current, and will swim toward the positive conductive plate 21 with positive charge, while the fishes with low activity will flow to the side close to the negative conductive plate 20 under the action of the water flow in the sorting pool 5 when they are unable to swim; while the rotating rod 7 rotates, the rotating rod 7 can drive the horizontal shaft 13 to rotate continuously through the first bevel gear 8 and the second bevel gear 9, and the rotation of the horizontal shaft 13 can drive the four grid plates 11 to rotate inside the two ends of the sorting pool 5 respectively, and the rotating grid plates 11 can respectively push and sweep the high-activity fishes close to the positive conductive plate 21 and the low-activity fishes close to the negative conductive plate 20 out of the sorting pool 5, and drop them into the two collecting boxes 17 respectively.

[0040] The electric field strength (V / cm) of the positive conductive plate 21 and the negative conductive plate 20 was controlled, and a variety of adult fish commonly sold in the market were sorted according to the above sorting method, and the activity sorting success rate was analyzed. The activity sorting success rate = the number of successfully sorted fish / the total number of sorted fish. The results are shown in the following table:

[0041] Table 1

[0042]

[0043] Table 2

[0044]

[0045]

[0046] Table 3

[0047]

[0048] Table 4

[0049]

[0050] It can be seen from Tables 1, 2, 3, and 4 above that the optimal electric field strength range between the positive conductive plate 21 and the negative conductive plate 20 for sorting adult black carp is 0.95-1.25 V / cm, the optimal electric field strength range for sorting adult grass carp is 0.85-1.45 V / cm, the optimal electric field strength range for sorting adult carp is 0.95-1.15 V / cm, and the optimal electric field strength range for sorting adult crucian carp is 0.80-1.05 V / cm.

[0051] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A fish intelligent identification and sorting device, comprising a sorting pool (5), characterized in that: The sorting pool (5) is arranged in an arc-shaped box, two support plates (6) are fixedly connected to the bottom side wall of the sorting pool (5), water is arranged in the sorting pool (5), a water circulation device is arranged at the bottom of the sorting pool (5), both ends of the sorting pool (5) are fixedly connected to fixed plates (10), a horizontal shaft (13) is rotatably connected between the two fixed plates (10), a fish pushing device is arranged on the horizontal shaft (13), and the water flow in the sorting pool (5) flows from the positive conductive plate (21) to the negative conductive plate (20) side; It also includes a direct current power source (16), and the inner side walls at both ends of the sorting tank (5) are respectively fixedly connected with a positive conductive plate (21) and a negative conductive plate (20), and the positive and negative ends of the direct current power source (16) are respectively electrically connected to the positive conductive plate (21) and the negative conductive plate (20) through electric wires.

2. The intelligent fish identification and sorting device according to claim 1, characterized in that: The water circulation device comprises a turntable shell (1), a housing (3) is fixedly connected to the bottom side wall of the turntable shell (1), a motor (2) is fixedly connected inside the housing (3), an output shaft of the motor (2) is fixedly connected to a rotating rod (7), the rotating rod (7) vertically penetrates and is rotatably connected to the side wall of the turntable shell (1), a circular plate (18) is rotatably connected to the center of the inner part of the turntable shell (1), the circular plate (18) is fixedly connected to the rotating rod (7), and the outer side wall of the circular plate (18) is connected to the turntable shell (1). An annular cavity is formed between the inner side walls of the turntable shell (1), a water guide hose (4) is arranged in the annular cavity, both ends of the water guide hose (4) penetrate the side wall of the turntable shell (1), and both ends of the water guide hose (4) are respectively connected to the bottom side walls of the sorting pool (5), the upper end of the rotating rod (7) is fixedly connected to a first bevel gear (8), the side wall of the first bevel gear (8) is fixedly connected to a second bevel gear (9), and the second bevel gear (9) is fixedly connected to one end of a horizontal shaft (13).

3. The intelligent fish identification and sorting device according to claim 2, characterized in that: The fish pushing device comprises four fixing rods (12), wherein the four fixing rods (12) are symmetrically fixedly connected to the side wall of the horizontal axis (13) in pairs, and one end of each fixing rod (12) is fixedly connected to a grid plate (11), and the four grid plates (11) are respectively close to one side of the positive conductive plate (21) and the negative conductive plate (20) in pairs.

4. The intelligent fish identification and sorting device according to claim 3 is characterized in that: It also includes two collecting boxes (17), and the two collecting boxes (17) are respectively close to one side of the positive conductive plate (21) and the negative conductive plate (20).

5. The intelligent fish identification and sorting device according to claim 4, characterized in that: A conveying pipe (15) is fixedly connected to the central side wall of the sorting pool (5), and one end of the conveying pipe (15) is fixedly connected to a feeding nozzle (14).

6. A sorting method according to any one of claims 1 to 5, characterized in that: The following steps are involved: The first step is to start the motor (2), the motor (2) can drive the rotating rod (7) to rotate, the rotating rod (7) can drive the circular plate (18) to rotate, the circular plate (18) can drive the two extrusion blocks (19) on its side wall to circumferentially circumferentially squeeze the water guide hose (4) in the turntable shell (1), so that the water guide hose (4) generates suction, and the water flow in the sorting pool (5) near the negative conductive plate (20) is input to the side of the sorting pool (5) near the positive conductive plate (21), so that the water flow in the sorting pool (5) continues to flow from the positive conductive plate (21) to the negative conductive plate (20); In the second step, a direct current power source (16) is started, so that the positive conductive plate (21) and the negative conductive plate (20) are respectively charged with positive and negative charges, and the water flow between the positive conductive plate (21) and the negative conductive plate (20) generates direct current; In the third step, after the fishes whose activity is to be sorted are thrown into the input port (14), when the fishes enter the water flow in the middle of the sorting pool (5) through the conveying pipe (15), the fishes with high activity are electrically stimulated in the water containing direct current and will swim toward the positive conductive plate (21) with positive charge, while the fishes with low activity will flow to the side close to the negative conductive plate (20) under the action of the water flow in the sorting pool (5) when they are unable to swim; while the rotating rod (7) rotates, the rotating rod (7) can drive the horizontal shaft (13) to rotate continuously through the first bevel gear (8) and the second bevel gear (9), and the rotation of the horizontal shaft (13) can drive the four grid plates (11) to rotate inside the two ends of the sorting pool (5), respectively, and the rotating grid plates (11) can respectively push and sweep the fishes with high activity close to the positive conductive plate (21) and the fishes with low activity close to the negative conductive plate (20) out of the sorting pool (5), and drop them into two collection boxes (17) respectively.

7. The sorting method of the fish intelligent identification and sorting device according to claim 6, characterized in that: The optimal electric field strength range between the positive conductive plate (21) and the negative conductive plate (20) for sorting adult black carp is 0.95-1.25 V / cm.

8. The sorting method of the fish intelligent identification and sorting device according to claim 6, characterized in that: The optimal electric field strength range between the positive conductive plate (21) and the negative conductive plate (20) for sorting adult grass carp is 0.85-1.45 V / cm.

9. The sorting method of the fish intelligent identification and sorting device according to claim 6, characterized in that: The optimal electric field strength range between the positive conductive plate (21) and the negative conductive plate (20) for sorting adult carps is 0.95-1.15 V / cm.

10. The sorting method of the fish intelligent identification and sorting device according to claim 6, characterized in that: The optimal electric field strength range between the positive conductive plate (21) and the negative conductive plate (20) for sorting adult crucian carp is 0.80-1.05 V / cm.

Citation Information

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