CN106719211B

CN106719211B - Cage fish sucking device

Info

Publication number: CN106719211B
Application number: CN201611076753.6A
Authority: CN
Inventors: 朱从容
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2016-11-30
Filing date: 2016-11-30
Publication date: 2020-10-23
Anticipated expiration: 2036-11-30
Also published as: CN106719211A

Abstract

The invention provides a net cage fish sucking device, and belongs to the technical field of culture equipment. The net cage fish sucking device comprises a fish sucking pipe, a driving ring and a rotation device, wherein the fish sucking pipe, the driving ring and the rotation device are connected to the bottom of the net cage, the rotation device is arranged in the net cage and can rotate in the net cage to form a vortex, the driving ring is sleeved on the outer wall of the net cage, the buoyancy of the driving ring is greater than gravity, the rotation device corresponds to the driving ring, a plurality of first magnets are uniformly arranged in the circumferential direction of the rotation device, a plurality of second magnets are arranged in the circumferential direction of the driving ring, magnetic poles of the first magnets and the second magnets are different and can attract each other, a driver capable of driving the net cage to rotate is further arranged on the net cage, a solar cell panel and a storage battery box are further arranged on the upper end face of the driving ring, a storage battery is arranged in the storage battery box, an underwater fish collecting lamp is arranged. The invention has the advantage of fish sucking efficiency.

Description

Cage fish sucking device

Technical Field

The invention belongs to the technical field of cultivation equipment. And relates to a net cage fish sucking device.

Background

Currently, in aquaculture, especially in large-scale aquaculture ponds and large-scale deep-water net cage based aquaculture, as the aquaculture scale is larger and larger, the aquaculture fish yield is higher and higher, and at present, a single large-scale deep-water net cage can cultivate 10 to 50 tons of finished live fish, so when the aquaculture fish is large, the live fish must be timely caught and sold to ensure the economic benefit of the aquaculture, but a large amount of finished live fish need to be collected and keep higher survival rate, and because no proper quick and efficient mechanical fishing equipment exists, the fishing is a great problem, and currently, only manual fishing can be adopted or a hanging basket for crane type equipment is adopted, so that the fishing work volume is large, the fishing speed is slow and long, the mechanical damage to the fish is large, the death rate of the live fish is high, the economic benefit of the aquaculture is seriously influenced, and how to quickly and efficiently mechanically fish the fishing is realized, is a problem to be solved urgently in the current large-scale aquaculture industry.

The fish sucking pump, especially the vacuum fish sucking pump, is used for sucking fish from the culture net cage or the container holding fish and then conveying the fish to other places, the working principle of the vacuum fish sucking pump is that a tank body is vacuumized, a valve of a fish inlet port is opened after a certain vacuum degree is reached, a fish-water mixture is sucked into the tank body from a fish sucking pipe, the valve of the fish inlet port is closed after the fish is sucked, and then the fish in the tank body is conveyed to a cabin and the like through equipment such as a pump and the like.

However, because the net cage is large, the fish suction pipe cannot be too large, fish in the net cage can run around or sink into the bottom of the net cage, the fish is not easy to be sucked into the tank body, and the fish suction efficiency is low.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a net cage fish sucking device, and aims to solve the technical problems that: how to improve the fish sucking efficiency of the fish sucking pump.

The purpose of the invention can be realized by the following technical scheme: a net cage fish suction device comprises a fish suction pipe connected to the bottom of a net cage, and is characterized by further comprising a driving ring and a rotation starter, wherein the rotation starter is arranged in the net cage and can rotate in the net cage to form a vortex, the driving ring is sleeved on the outer wall of the net cage, the buoyancy of the driving ring is larger than the gravity, the rotation starter and the driving ring are arranged correspondingly, a plurality of magnets I are uniformly arranged in the circumferential direction of the rotation starter, a plurality of magnets II are arranged in the circumferential direction of the driving ring, magnetic poles of the magnets I and the magnets II are different and can attract each other, a driver capable of driving the driving ring to rotate is further arranged on the net cage, a solar cell panel and a storage battery box are further arranged on the upper end face of the net cage, a storage battery is arranged in the storage battery box, an underwater fish collecting lamp is arranged at the bottom of the net cage, and the solar cell panel is electrically connected with, the underwater fish gathering lamp is electrically connected with the storage battery through a lead.

In this box with a net fish suction device, the fish inlet port of inhaling the fish pipe is located the inside bottom of box with a net, the play fish port and the fish pump intercommunication of inhaling the fish pipe, can drive the drive ring through the driver and rotate, because magnet two on the drive ring is opposite poles attracting with the magnet on the spinner, thereby the drive ring can drive the spinner and rotate in the box with a net, stir the rotatory swirl that forms of water in the box with a net then, make the fish in the box with a net to the bottom gathering of box with a net, the fish toward the gathering of the fish inlet port of inhaling the fish pipe in the box with a net promptly, improve the density of fish in the unit water, thereby the fish efficiency of inhaling of fish pump has been improved.

Set up the fish lamp of gathering under water in the bottom of box with a net, utilize the phototaxis of fish to attract the bottom of box with a net to the shoal of fish, make the fish in the box with a net toward the gathering of the fish inlet port of fish sucking pipe through the fish lamp of gathering under water promptly, improve the density of fish in the unit water, thereby the fish sucking efficiency of fish sucking pump has been improved, in addition charge for the battery in the battery box through solar cell panel, the battery supplies power for the fish lamp of gathering under water, so the fish lamp of gathering under water need not use the electric energy on the bank, and is energy-concerving and environment-protective, and.

When throwing bait for the fish in the net cage, the underwater fish gathering lamp is turned on, so that fish swarms in the net cage are gathered near the underwater fish gathering lamp, and then when throwing the bait to the position of the underwater fish gathering lamp, the bait just falls into the fish swarms, which is beneficial to reducing the loss of the bait, improving the utilization rate of the bait and reducing the breeding cost.

In the above fish sucking device with a net cage, the rotating starter includes an annular body and a plurality of blades circumferentially and uniformly distributed on the inner ring of the body, the plurality of magnets are uniformly arranged in the circumferential direction of the body, and each magnet is located between two adjacent blades.

The body can rotate in the box with a net, and the blade can mix the rotatory swirl that forms of water in the box with a net for fish in the box with a net is to the bottom of box with a net, inhales the fish port gathering of advancing of fish pipe promptly, has improved the fish sucking efficiency of fish sucking pump.

In the cage fish suction device, the cross section of each blade is in a right triangle shape, and the underwater fish collecting lamp is an LED underwater fish collecting lamp. The blades are in right-angled triangles, a space which is small at the top and large at the bottom is formed in the net cage, funnel-shaped vortex is generated after the blades rotate, the fish sucking efficiency of the fish sucking pump is improved, the LED underwater fish gathering lamp is energy-saving, and the service life is long.

In the fish sucking device with the net cage, the driver is a high-pressure nozzle fixed on the net cage, the high-pressure nozzle is communicated with a water pump through a water supply pipeline, the water pump is fixed on the net cage, a plurality of arc-shaped retaining pieces are uniformly distributed on the outer peripheral surface of the driving ring along the circumferential direction, and the high-pressure nozzle is opposite to the arc-shaped retaining pieces.

The high-pressure spray head is connected with a water pump arranged on the net cage through a water supply pipeline and is used for spraying high-speed water flow towards the arc-shaped separation blade and pushing the driving ring to rotate through water power.

In the fish sucking device with the net cage, the first annular blocking edge for preventing the driving ring from moving upwards is further arranged on the outer peripheral surface of the net cage. The driving ring is sleeved outside the net cage, the driving ring and the net cage are in a non-fixed connection structure, when the driving ring and the net cage rotate, the driving ring and the rotating device can be prevented from moving relatively through the arrangement of the annular blocking edge, and the driving ring can be always kept corresponding to the position of the rotating device.

In the fish sucking device with the net cage, the arc-shaped blocking pieces are obliquely arranged, and when the arc-shaped blocking pieces rotate, the driving ring has an upward movement trend. The driving ring has an upward movement trend when the arc-shaped retaining pieces rotate, and can drive the net cage to move upwards, so that the fish can move towards the bottom of the net cage.

In the above-mentioned fish sucking device for net cage, the driving ring is made of plastic or wood. The driving ring is made of light material, has certain buoyancy in water, does not need to be fixed when not rotating, and is more beneficial to float upwards when rotating.

Compared with the prior art, this net cage fish suction device has following advantage:

1. through the cooperation of high pressure nozzle, drive ring and play the ware soon, can stir the rotatory swirl that forms of water in the box with a net for the fish in the box with a net is to the bottom of box with a net, inhales the fish port gathering of the fish inlet of fish pipe promptly, has improved the fish efficiency of inhaling of fish pump.

2. Set up the fish lamp of gathering under water in the bottom of box with a net, utilize the phototaxis of fish to attract the bottom of box with a net to the shoal of fish, make the fish in the box with a net toward the gathering of the fish inlet port of fish sucking pipe through the fish lamp of gathering under water promptly, improve the density of fish in the unit water, thereby the fish sucking efficiency of fish sucking pump has been improved, in addition charge for the battery in the battery box through solar cell panel, the battery supplies power for the fish lamp of gathering under water, so the fish lamp of gathering under water need not use the electric energy on the bank, and is energy-concerving and environment-protective, and.

3. When throwing bait for the fish in the net cage, the underwater fish gathering lamp is turned on, so that fish swarms in the net cage are gathered near the underwater fish gathering lamp, and then when throwing the bait to the position of the underwater fish gathering lamp, the bait just falls into the fish swarms, which is beneficial to reducing the loss of the bait, improving the utilization rate of the bait and reducing the breeding cost.

Drawings

Fig. 1 is a schematic structural diagram of the fish sucking device of the net cage.

Fig. 2 is a sectional view of the fish sucking device of the net cage.

In the figure, 1, a net cage; 11. the annular blocking edge I; 2. a fish sucking pipe; 3. a spinner; 31. a body; 32. a blade; 4. a drive ring; 5. an arc-shaped baffle plate; 6. a magnet I; 61. a second magnet; 7. a high pressure spray head; 71. a water pump; 72. a water supply line; 8. a battery case; 81. a storage battery; 82. an underwater fish gathering lamp; 9. a solar cell panel.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-2, a net cage fish sucking device includes a fish sucking pipe 2 connected to the bottom of a net cage 1, a driving ring 4 and a rotation starter 3, the rotation starter 3 is disposed in the net cage 1, the rotation starter 3 can rotate in the net cage 1 to form a vortex, the driving ring 4 is sleeved on the outer wall of the net cage 1, the buoyancy of the driving ring 4 is greater than the gravity, the rotation starter 3 and the driving ring 4 are disposed correspondingly, a plurality of first magnets 6 are uniformly disposed in the circumferential direction of the rotation starter 3, a plurality of second magnets 61 are disposed in the circumferential direction of the driving ring 4, the first magnets 6 and the second magnets 61 have different magnetic poles and can attract each other, a driver capable of driving the driving ring 4 to rotate is further disposed on the net cage 1, a solar cell panel 9 and a storage battery box 8 are further disposed on the upper end face of the net cage 1, a storage battery 81 is disposed in the storage battery box 8, the underwater fish gathering lamp 82 is arranged at the bottom of the net cage 1, the solar cell panel 9 is electrically connected with the storage battery 81 through a lead, the underwater fish gathering lamp 82 is electrically connected with the storage battery 81 through a lead, and the driving ring 4 is made of plastic or wood.

Specifically, the underwater fish gathering lamp 82 is an LED underwater fish gathering lamp

The rotor 3 comprises an annular body 31 and a plurality of blades 32 which are circumferentially and uniformly distributed on the inner ring of the body 31, a plurality of magnets 6 are uniformly arranged on the circumferential direction of the body 31, each magnet 6 is located between two adjacent blades 32, and the cross section of each blade 32 is in the shape of a right triangle.

The driver comprises a high-pressure spray nozzle 7 fixed on the net cage 1, the high-pressure spray nozzle 7 is communicated with a water pump 71 through a water supply pipeline 72, the water pump 71 is fixed on the net cage 1, a plurality of arc-shaped retaining pieces 5 are uniformly distributed on the peripheral surface of the driving ring 4 along the circumferential direction, and the high-pressure spray nozzle 7 and the arc-shaped retaining pieces 5 are arranged oppositely.

The outer peripheral surface of the net cage 1 is also provided with an annular blocking edge 11 for preventing the driving ring 4 from moving upwards.

The arc-shaped baffle 5 is obliquely arranged, and when the arc-shaped baffle 5 rotates, the driving ring 4 can be driven to move upwards.

The fish inlet port of the fish suction pipe 2 is positioned at the bottom inside the net cage 1, the fish outlet port of the fish suction pipe 2 is communicated with a fish suction pump, namely, the fish pump conveys the fish in the net cage to containers for storing the fish, such as a cabin, and the like through a fish suction pipe 2 arranged at the bottom of the net cage 1, the water supply pipeline 72 of the high-pressure spray head 7 is connected with a water pump 71 arranged on the net cage 1 and is used for spraying high-speed water flow to the arc-shaped baffle 5 so as to push the driving ring 4 to rotate, because the magnet 6 on the driving ring 4 and the magnet 6 on the spinner 3 are opposite in attraction, the driving ring 4 can drive the spinner 3 to rotate in the net cage 1, and then stir the water in the net cage 1 to rotate to form a vortex, so that the fish in the net cage 1 is gathered to the bottom of the net cage 1, the fish in the net cage 1 is gathered towards the fish inlet of the fish sucking pipe 2, the density of the fish in the unit water body is improved, and therefore the fish sucking efficiency of the fish sucking pump is improved.

The bottom of the net cage 1 is provided with the underwater fish collecting lamp 82, fish schools are attracted to the bottom of the net cage 1 by utilizing phototaxis of fish, namely, the fish in the net cage 1 is gathered towards the fish inlet port of the fish sucking pipe 2 through the underwater fish collecting lamp 82, the density of the fish in a unit water body is improved, so that the fish sucking efficiency of the fish sucking pump is improved, in addition, the storage battery 81 in the storage battery box 8 is charged through the solar cell panel 9, the storage battery 81 supplies power to the underwater fish collecting lamp 82, so that the underwater fish collecting lamp 82 does not need to use electric energy on the bank, energy conservation and environmental protection are realized, and the use cost is low.

When throwing bait to the fish in the net cage 1, the underwater fish collecting lamp 82 is turned on, so that fish swarms in the net cage 1 are gathered near the underwater fish collecting lamp 82, and then when throwing the bait to the position of the underwater fish collecting lamp 82, the bait just falls into the fish swarms, which is beneficial to reducing the loss of the bait, improving the utilization rate of the bait and reducing the breeding cost.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A net cage fish suction device comprises a fish suction pipe (2) connected to the bottom of a net cage (1), and is characterized by further comprising a driving ring (4) and a rotation device (3), wherein the rotation device (3) is arranged in the net cage (1), the rotation device (3) can rotate in the net cage (1) to form a vortex, the driving ring (4) is sleeved on the outer wall of the net cage (1), the buoyancy of the driving ring (4) is greater than the gravity, the rotation device (3) and the driving ring (4) are correspondingly arranged, a plurality of first magnets (6) are uniformly arranged in the circumferential direction of the rotation device (3), a plurality of second magnets (61) are arranged in the circumferential direction of the driving ring (4), magnetic poles of the first magnets (6) and the second magnets (61) are different and can attract each other, a driver capable of driving the driving ring (4) to rotate is further arranged on the net cage (1), the solar energy fish gathering device is characterized in that a solar cell panel (9) and a storage battery box (8) are further arranged on the end face of the upper end of the net cage (1), a storage battery (81) is arranged in the storage battery box (8), an underwater fish gathering lamp (82) is arranged at the bottom of the net cage (1), the solar cell panel (9) is electrically connected with the storage battery (81) through a lead, and the underwater fish gathering lamp (82) is electrically connected with the storage battery (81) through a lead;

the rotator (3) comprises an annular body (31) and a plurality of blades (32) which are uniformly distributed on the inner ring of the body (31) in the circumferential direction, a plurality of magnets I (6) are uniformly arranged on the circumferential direction of the body (31), and each magnet I (6) is positioned between two adjacent blades (32);

the cross section of the blade (32) is in the shape of a right triangle, and the underwater fish gathering lamp (82) is an LED underwater fish gathering lamp.

2. The net cage fish suction device according to claim 1, wherein the driver comprises a high-pressure nozzle (7) fixed on the net cage (1), the high-pressure nozzle (7) is communicated with a water pump (71) through a water supply pipeline (72), the water pump (71) is fixed on the net cage (1), a plurality of arc-shaped retaining pieces (5) are uniformly distributed on the outer circumferential surface of the driving ring (4) along the circumferential direction, and the high-pressure nozzle (7) is opposite to the arc-shaped retaining pieces (5).

3. A fish sucking device for net cages as claimed in claim 2, wherein the net cage (1) is further provided on its outer peripheral surface with an annular rim (11) for preventing the driving ring (4) from moving upward.

4. A net cage fish suction device according to claim 3, characterized in that the arc-shaped baffles (5) are obliquely arranged, and when the arc-shaped baffles (5) rotate, the driving ring (4) has an upward movement trend.

5. A net cage fish suction device according to claim 1, characterized in that the driving ring (4) is made of plastic or wood.