High dam fish luring and collecting device based on flow field manufacturing

By designing a flow field generation device with multi-stage fish-attracting channels and fish collection boxes, the problem of fish migration difficulties in existing devices has been solved, achieving the effects of reducing energy consumption and improving guidance efficiency.

CN223738541UActive Publication Date: 2025-12-30POWERCHINA BEIJING ENG CORP
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Patent Information

Application Number
CN202520059648.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-30
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing fish-attracting devices have high and long channels, which makes it difficult for fish to migrate and increases their energy consumption.

Method used

A high-dam fish-attracting and fish-collecting device based on flow field manufacturing was designed, including primary and secondary fish-attracting channels, fish collection boxes and elevators. Through water pumping, multi-stage overflow outlets and through-hole design, the device reduces the physical exertion of migratory fish and provides rest areas and fish collection areas.

Benefits of technology

It reduces the difficulty for migratory fish to pass through the fish-attracting channel, reduces their physical exertion, provides a rest area, and improves the efficiency of safely guiding fish across the dam.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high dam fish luring and collecting device based on flow field manufacturing, which comprises a fish luring assembly, the fish luring assembly comprises a first-stage fish luring channel and a second-stage fish luring channel, the first-stage fish luring channel is communicated with a transfer box, the transfer box is arranged in a river channel, the transfer box is provided with a first overflow port, the first-stage fish luring channel is fixedly connected to the first overflow port, and the second-stage fish luring channel is fixedly connected to the second overflow port. A second overflow opening is formed in the outer box, the second-stage fish luring channel is fixedly connected to the second overflow opening, the outer box communicates with a water diversion pipe, and the end, away from the fish collecting box, of the water diversion pipe communicates with a water pump; the fish collecting assembly comprises a fish collecting box, the fish collecting box is arranged in the outer box, a fish inlet and a fish outlet are formed in the fish collecting box, a plurality of first through holes are formed in the fish collecting box, the fish collecting box is higher than the transfer box, and an elevator is arranged in the river channel. Through the arrangement of the first-stage fish luring channel and the second-stage fish luring channel, migratory fishes can have a rest, physical output of the migratory fishes is reduced, and the difficulty that the migratory fishes swim upwards is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fish luring and collecting device technical field, especially to a high dam fish luring and collecting device based on flow field manufacturing. BACKGROUND

[0002] In water conservancy projects such as hydropower generation, irrigation and flood control, the construction of high dams has a profound impact on river aquatic ecosystems. Dams not only change the natural flow pattern of rivers, but also block the natural migration path of fish. For fish that need to swim against the current to reproduce or forage, dams become an insurmountable obstacle.

[0003] By luring and collecting fish, fish can be safely guided over the dam, ensuring that they can continue their key activities in their life cycle, such as reproduction and foraging, maintaining the balance of aquatic ecosystems and protecting biodiversity. However, in some existing fish luring devices, the fish luring channel is too high and long, making it difficult for fish to swim into the fish collecting box, which affects fish migration.

[0004] Therefore, a high dam fish luring and collecting device based on flow field manufacturing is proposed to solve the above problems. SUMMARY

[0005] The utility model aims to provide a high dam fish luring and collecting device based on flow field manufacturing to solve the problems existing in the prior art, reduce the difficulty of passing through the fish luring channel, and reduce the physical exertion of migratory fish.

[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme: the utility model provides a high dam fish luring and collecting device based on flow field manufacturing, comprising:

[0007] The fish luring assembly includes a primary fish luring channel and a secondary fish luring channel. The primary fish luring channel is connected to a transfer box. The transfer box is arranged in a river channel. A first overflow port is formed in the transfer box. The primary fish luring channel is fixedly connected to the first overflow port. The secondary fish luring channel is arranged on an outer box. A second overflow port is formed in the outer box. The secondary fish luring channel is fixedly connected to the second overflow port. A water diversion pipe is connected to the outer box. The water diversion pipe bypasses a dam body. A water pump is connected to one end of the water diversion pipe away from the fish collecting box.

[0008] The fish collecting assembly includes a fish collecting box. The fish collecting box is arranged in the outer box. An inlet and an outlet are formed in the fish collecting box. The inlet corresponds to the second overflow port. A valve is arranged on the outlet. A plurality of first through holes are formed in the fish collecting box. The fish collecting box is higher than the transfer box. An elevator is arranged in the river channel. The elevator is drivingly connected to the fish collecting box.

[0009] Preferably, the fish collecting box is provided with an opening and closing mechanism, the opening and closing mechanism is located at the fish inlet, the opening and closing mechanism comprises a baffle, two chute are fixedly connected in the fish collecting box, the baffle is located between the two chute, a second through hole is formed in the fish collecting box, the baffle is located in the second through hole, a first motor is fixedly connected on the fish collecting box, and the first motor is in transmission connection with the baffle.

[0010] Preferably, a threaded rod is fixedly connected on the first motor, a first connecting plate is fixedly connected on the baffle, threads are formed in the first connecting plate, and the threaded rod is screwed in the threaded hole.

[0011] Preferably, the first fish attracting channel comprises a first straight plate, first guard plates are fixedly connected on both sides of the first straight plate, the first straight plate is fixedly connected on the first overflow port, a plurality of first fixed blocks are fixedly connected on the first straight plate, and first grooves are formed in the first fixed blocks.

[0012] Preferably, the second fish attracting channel comprises a second straight plate, second guard plates are fixedly connected on both sides of the second straight plate, the second straight plate is fixedly connected on the second overflow port, a plurality of second fixed blocks are fixedly connected on the second straight plate, and second grooves are formed in the second fixed blocks.

[0013] Preferably, a partition plate is fixedly connected on the inner side wall of the outer box, and a mesh plate is fixedly connected between the partition plate and the bottom wall of the outer box.

[0014] Preferably, a plurality of first vertical columns are fixedly connected on the bottom surface of the transfer box, the first vertical columns are fixedly connected in the river channel, a plurality of second vertical columns are fixedly connected on the bottom surface of the outer box, and the second vertical columns are fixedly connected in the river channel.

[0015] Preferably, the elevator comprises a plurality of third vertical columns, the third vertical columns are fixedly connected in the river channel, a top plate is fixedly connected on the top end of the third vertical column, a third through hole is formed in the top plate, a winch is fixedly connected on the top plate, a rope is wound on the winch, the rope is fixedly connected with the fish collecting box, a platform is fixedly connected on the dam body, a fourth through hole is formed in the platform, the third vertical column passes through the fourth through hole, a water outlet pipe is fixedly connected on the fish outlet, and the valve is installed on the water outlet pipe.

[0016] The utility model discloses the following technical effects: in the device, the water pipe is used to draw the water of dam body upstream through the water pump, and the water flow enters the outer box first, and after the water enters the outer box, enters the fish collecting box through the first through -hole on the fish collecting box, and the fish collecting box has the fish inlet, and the water in the outer box and fish collecting box increases unceasingly, and the water flow will flow out through the fish inlet and then enter the secondary fish luring channel through the second overflow port, and flows down along the secondary fish luring channel, and the water flow enters the transfer box, and when the water in the transfer box is full, will flow out from the first overflow port, and flows out along the primary fish luring channel, and one end of the primary fish luring channel is immersed in the water, and when the migratory fish flows along the primary fish luring channel upstream, will enter the transfer box, can make migratory fish get rest, then along the secondary fish luring channel upstream, enter the fish collecting box, then through the elevator, the fish collecting box is lifted to the dam body top position, and then uses other tools to transfer the fish, and when the fish collecting box is lifted, part of water will flow out through the first through -hole, and the position of the first through -hole is not too low, prevents the water from flowing out too much, and at the same time, also can not be all higher than the second overflow port, prevents the water from not entering. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0018] Figure 1 It is high dam fish luring and collecting device structure schematic view based on flow field manufacturing of the utility model;

[0019] Figure 2 It is outer box and fish collecting box structure schematic view of the utility model;

[0020] Figure 3 It is Figure 1 Enlarged schematic view in a of

[0021] Figure 4 It is Figure 1 Enlarged schematic view in b of

[0022] 1, a first fish luring passage; 2, a second fish luring passage; 3, a transfer box; 4, a river channel; 5, a first overflow port; 6, an outer box; 7, a second overflow port; 8, a fish collecting box; 9, an inlet; 10, a valve; 11, a water diversion pipe; 12, a dam body; 13, a water pump; 14, a first through hole; 15, a baffle; 16, a chute; 17, a first motor; 18, a threaded rod; 19, a first connecting plate; 20, a first straight plate; 21, a first guard plate; 22, a first fixing block; 23, a first groove; 24, a second straight plate; 25, a second guard plate; 26, a second fixing block; 27, a second groove; 28, a first vertical column; 29, a mesh plate; 30, a first vertical column; 31, a second vertical column; 32, a third vertical column; 33, a top plate; 34, a winch; 35, a rope; and 36, a platform. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0025] With reference to Figures 1-4 The utility model provides a kind of high dam fish luring and collecting device based on flow field manufacturing, comprising:

[0026] Fish luring assembly, fish luring assembly includes first fish luring passage 1 and second fish luring passage 2, first fish luring passage 1 is communicated with transfer box 3, transfer box 3 is arranged in river channel 4, first overflow port 5 is formed on transfer box 3, first fish luring passage 1 is fixedly connected on first overflow port 5, second fish luring passage 2 is arranged on outer box 6, second overflow port 7 is formed on outer box 6, second fish luring passage 2 is fixedly connected on second overflow port 7, outer box 6 is communicated with water diversion pipe 11, water diversion pipe 11 bypasses dam body 12, water diversion pipe 11 is communicated with water pump 13 at the end away from fish collecting box 8;

[0027] Fish collecting assembly, fish collecting assembly includes fish collecting box 8, fish collecting box 8 is arranged in outer box 6, inlet 9 and outlet are formed on fish collecting box 8, inlet 9 is correspondingly arranged with second overflow port 7, valve 10 is arranged on outlet, a plurality of first through holes 14 are formed on fish collecting box 8, fish collecting box 8 is higher than transfer box 3, hoist is arranged in river channel 4, hoist is drivingly connected with fish collecting box 8.

[0028] In the device, the water pipe 11 is used to lead the water upstream of the dam body 12 out through the water pump 13, and the water flow first enters the outer box 6, and then enters the fish collecting box 8 through the first through hole 14 on the fish collecting box 8. The fish collecting box 8 has a fish inlet 9, and the water in the outer box 6 and the fish collecting box 8 is continuously increased, and the water flow will flow out through the fish inlet 9 and then enter the secondary fish attracting channel 2 through the second overflow port 7, and then flow downward along the secondary fish attracting channel 2. The water flow enters the transfer box 3, and when the water in the transfer box 3 is full, it will flow out from the first overflow port 5 and then flow out along the primary fish attracting channel 1. One end of the primary fish attracting channel 1 extends into the water, and when the migratory fish flows upstream along the primary fish attracting channel 1, it will enter the transfer box 3, so that the migratory fish can rest, and then flow upstream along the secondary fish attracting channel 2 and enter the fish collecting box 8. Then the fish collecting box 8 is lifted to the top of the dam body 12 by the elevator, and then other tools are used to transfer the fish away. When the fish collecting box 8 is lifted, part of the water will flow out through the first through hole 14. The first through hole 14 is not set too low to prevent too much water from flowing out, and at the same time it cannot be completely higher than the second overflow port 7 to prevent water from not entering.

[0029] Further optimization scheme, the fish collecting box 8 is provided with an opening and closing mechanism, the opening and closing mechanism is located at the fish inlet 9, the opening and closing mechanism includes a baffle 15, the fish collecting box 8 is fixedly connected with two sliding grooves 16, the baffle 15 is located between the two sliding grooves 16, the fish collecting box 8 is provided with a second through hole, the baffle 15 is located in the second through hole, the fish collecting box 8 is fixedly connected with a first motor 17, and the first motor 17 is in transmission connection with the baffle 15.

[0030] The function of the opening and closing mechanism is to control the opening and closing of the fish inlet 9. During the process of collecting fish, the baffle 15 is above the fish inlet 9. Before the fish collecting box 8 is lifted, the baffle 15 is moved by the first motor 17 to block the fish inlet 9, so that the fish cannot go out from the fish inlet 9.

[0031] Further optimization scheme, the first motor 17 is fixedly connected with a threaded rod 18, the baffle 15 is fixedly connected with a first connecting plate 19, the first connecting plate 19 is provided with a thread, and the threaded rod 18 is screw-connected in the threaded hole.

[0032] The first motor 17 drives the threaded rod 18 to rotate, the threaded rod 18 drives the first connecting plate 19 to move, and the first connecting plate 19 drives the baffle 15 to move.

[0033] Further optimization scheme, the primary fish attracting channel 1 includes a first straight plate 20, the first straight plate 20 is fixedly connected with first guard plates 21 on both sides, the first straight plate 20 is fixedly connected with a first overflow port 5, the first straight plate 20 is fixedly connected with a plurality of first fixed blocks 22, and the first fixed blocks 22 are provided with first grooves 23.

[0034] The first guard plates 21 can prevent fish from falling from both sides of the first straight plates 20, and the first grooves 23 can allow upstream fish to have a short rest.

[0035] In a further optimization, the secondary fish guiding channel 2 comprises second straight plates 24, the second straight plates 24 are fixedly connected with second guard plates 25 on both sides, the second straight plates 24 are fixedly connected with the second overflow ports 7, and a plurality of second fixed blocks 26 are fixedly connected with the second straight plates 24, and second grooves 27 are formed in the second fixed blocks 26.

[0036] The second guard plates 25 can prevent fish from falling from both sides of the second straight plates 24, and the second grooves 27 can allow upstream fish to have a short rest.

[0037] In a further optimization, a partition plate 28 is fixedly connected with the inner side wall of the outer box 6, and a mesh plate 29 is fixedly connected between the partition plate 28 and the bottom wall of the outer box 6.

[0038] The partition plate 28 can reduce the impact of water flow of the water guiding pipe 11, and the water flow can flow through the mesh plate 29.

[0039] In a further optimization, a plurality of first vertical columns 30 are fixedly connected with the bottom surface of the transfer box 3, the first vertical columns 30 are fixedly connected in the river channel 4, and a plurality of second vertical columns 31 are fixedly connected with the bottom surface of the outer box 6, the second vertical columns 31 are fixedly connected in the river channel 4.

[0040] The first vertical columns 30 are used to support the transfer box 3, and the second vertical columns 31 are used to support the outer box 6.

[0041] In a further optimization, the lifting machine comprises a plurality of third vertical columns 32, the third vertical columns 32 are fixedly connected in the river channel 4, a top plate 33 is fixedly connected with the top end of the third vertical columns 32, a third through hole is formed in the top plate 33, a winch 34 is fixedly connected with the top plate 33, a rope 35 is wound around the winch 34, the rope 35 is fixedly connected with the fish collecting box 8, a platform 36 is fixedly connected with the dam body 12, a fourth through hole is formed in the platform 36, the third vertical columns 32 pass through the fourth through hole, a water outlet pipe is fixedly connected with the fish outlet, and the valve 10 is installed on the water outlet pipe.

[0042] The winch 34 lifts the fish collecting box 8 through the rope 35, the fish collecting box 8 is lifted to the position of the platform 36, the valve 10 is opened, and the migratory fish is released to other transfer equipment, so that the transfer of the migratory fish is realized.

[0043] The working principle of the device is that the water pump 13 pumps the upstream water into the water guide pipe 11, the water flow first enters the outer box 6, and then enters the fish collecting box 8 through the first through hole 14 on the fish collecting box 8, the water in the outer box 6 and the fish collecting box 8 is continuously increased, the water flow flows out through the fish inlet 9, and then enters the secondary fish attracting channel 2 through the second overflow port 7, and flows downward along the secondary fish attracting channel 2, the water flow enters the transfer box 3, and when the transfer box 3 is full, the water flows out from the first overflow port 5, and flows out along the primary fish attracting channel 1, one end of the primary fish attracting channel 1 extends into the water, when the migratory fish flows upstream along the primary fish attracting channel 1, the migratory fish enters the transfer box 3, so that the migratory fish can rest, and then flows upstream along the secondary fish attracting channel 2 and enters the fish collecting box 8, when enough fish are collected in the fish collecting box 8, the first motor 17 drives the baffle 15 to move, so that the baffle 15 blocks the fish inlet 9, preventing the fish from going out of the fish inlet 9, the winch 34 lifts the fish collecting box 8, the fish collecting box 8 is lifted to the position of the platform 36, the valve 10 is opened, and the migratory fish is released to other transfer equipment, so that the transfer of the migratory fish is realized.

[0044] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0045] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application should fall within the protection scope of the present application.

Claims

1. A high dam fish attracting and collecting device based on flow field manufacturing, characterized in that, Include: The fish assembly includes a first fish channel (1) and a second fish channel (2), the first fish channel (1) is communicated with a transfer box (3), the transfer box (3) is arranged in the river (4), the first overflow port (5) is formed in the transfer box (3), the first fish channel (1) is fixedly connected to the first overflow port (5), the second fish channel (2) is arranged on the outer box (6), the second overflow port (7) is formed in the outer box (6), the second fish channel (2) is fixedly connected to the second overflow port (7), the outer box (6) is communicated with a water diversion pipe (11), the water diversion pipe (11) bypasses the dam body (12); The fish assembly includes a fish collecting box (8), the fish collecting box (8) is arranged in the outer box (6), the fish collecting box (8) is provided with an inlet (9) and an outlet, the inlet (9) is correspondingly arranged with the second overflow port (7), the outlet is provided with a valve (10), a plurality of first through holes (14) are formed in the fish collecting box (8), the fish collecting box (8) is higher than the transfer box (3), a lifting machine is arranged in the river (4), the lifting machine is drivingly connected with the fish collecting box (8), and the water pump (13) is communicated with the water diversion pipe (11) away from the fish collecting box (8).

2. The high dam fish attracting and collecting device based on flow field manufacturing according to claim 1, characterized in that: The fish collecting box (8) is provided with an opening and closing mechanism, the opening and closing mechanism is located at the inlet (9), the opening and closing mechanism includes a baffle (15), two sliding grooves (16) are fixedly connected in the fish collecting box (8), the baffle (15) is located between the two sliding grooves (16), a second through hole is formed in the fish collecting box (8), the baffle (15) is located in the second through hole, a first motor (17) is fixedly connected to the fish collecting box (8), and the first motor (17) is drivingly connected with the baffle (15).

3. The high dam fish attracting and collecting device based on flow field manufacturing according to claim 2, characterized in that: The first motor (17) is fixedly connected with a threaded rod (18), the baffle (15) is fixedly connected with a first connecting plate (19), a threaded hole is formed in the first connecting plate (19), and the threaded rod (18) is screw-connected in the threaded hole.

4. The high dam fish attracting and collecting device based on flow field manufacturing according to claim 1, characterized in that: The first fish channel (1) includes a first straight plate (20), the first straight plate (20) is fixedly connected with a first guard plate (21) on both sides, the first straight plate (20) is fixedly connected to the first overflow port (5), a plurality of first fixed blocks (22) are fixedly connected to the first straight plate (20), and a first recess (23) is formed in the first fixed block (22).

5. The high dam fish attracting and collecting device based on flow field manufacturing according to claim 1, characterized in that: The second fish channel (2) includes a second straight plate (24), the second straight plate (24) is fixedly connected with a second guard plate (25) on both sides, the second straight plate (24) is fixedly connected to the second overflow port (7), a plurality of second fixed blocks (26) are fixedly connected to the second straight plate (24), and a second recess (27) is formed in the second fixed block (26).

6. The high dam fish attracting and collecting device based on flow field manufacturing according to claim 1, characterized in that: The outer box (6) is fixedly connected with a partition plate (28) on the inner side wall, and the partition plate (28) is fixedly connected with a mesh plate (29) between the bottom wall of the outer box (6).

7. The high dam fish attracting and collecting device based on flow field manufacturing according to claim 1, characterized in that: The bottom surface of the transfer box (3) is fixedly connected with a plurality of first vertical columns (30), the first vertical columns (30) are fixedly connected in the river channel (4), the bottom surface of the outer box (6) is fixedly connected with a plurality of second vertical columns (31), and the second vertical columns (31) are fixedly connected in the river channel (4).

8. The high dam fish attracting and collecting device based on flow field manufacturing according to claim 1, characterized in that: The lifting machine comprises a plurality of third vertical columns (32), the third vertical columns (32) are fixedly connected in the river channel (4), the top ends of the third vertical columns (32) are fixedly connected with a top plate (33), the top plate (33) is provided with a third through hole, the top plate (33) is fixedly connected with a winch (34), the winch (34) is wound with a rope (35), the rope (35) is fixedly connected with the fish collecting box (8), the dam body (12) is fixedly connected with a platform (36), the platform (36) is provided with a fourth through hole, the third vertical columns (32) pass through the fourth through hole, the water outlet is fixedly connected with a water outlet pipe, and the valve (10) is installed on the water outlet pipe.