CN216796297U

CN216796297U - Movable sound wave drives fish device

Info

Publication number: CN216796297U
Application number: CN202123011331.XU
Authority: CN
Inventors: 张蕾; 林超; 金苏; 陈煜�
Original assignee: Jiangsu Jiangda Ecological Environment Technology Co ltd; JIANGSU JIANGDA ECOLOGY TECHNOLOGY CO LTD
Current assignee: Jiangsu Jiangda Ecological Environment Technology Co ltd; JIANGSU JIANGDA ECOLOGY TECHNOLOGY CO LTD
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-06-24
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a movable sound wave fish driving device, which has the technical scheme that: the underwater acoustic transducer comprises a frame main body, a protection net and an underwater acoustic transducer, wherein two fixing rings are symmetrically fixed at the top of the frame main body, a steel wire rope is fixedly hung on the two fixing rings, a traction rope is fixed on the steel wire rope and fixed at the tail end of a fishing boat, the protection net is a stainless steel wire net, the protection net covers and is fixed on the outer side and the bottom of the frame main body, the underwater acoustic transducer is arranged in the frame main body, the sound source level of the underwater acoustic transducer is more than 140dB, the frequency is 400-1000Hz, and the frequency is adjustable; utilize the device can directionally drive the fish in ecological remediation's lake and the river course, construct earlier stage and operation and maintenance phase at the aquatic plant, effectively regulate and control fish community structure to effectively ensure that the aquatic plant avoids the interference of bottom layer fish.

Description

Movable sound wave drives fish device

Technical Field

The utility model relates to the technical field of fish driving equipment, in particular to a movable sound wave fish driving device.

Background

The fish is an important component in a water ecosystem, and the unreasonable population structure of the fish has great negative influence on the stability of the water ecosystem, particularly benthic omnivorous fishes and herbivorous fishes. Bottom mud is continuously stirred by benthic omnivorous fishes such as carps and the like to cause water turbidity and limit the growth of aquatic plants; herbivorous fishes such as grass carps and the like eat submerged plants, and the reconstruction and the propagation of the submerged plants are greatly threatened. Therefore, during the restoration period and the operation and maintenance period of the water ecological system, unreasonable fish community structures are regulated and controlled, the number of the benthic omnivorous fishes and the number of the herbivorous fishes are effectively controlled, and the method becomes an essential part of the water ecological restoration project.

At present, traditional big waters drives fish mode has the trawl to drive the fish, or with netting gear with big waters division into little region, combines the manual work to strike the hull, disturbs aquatic fish, drives one by one the region. The traditional fish driving methods have poor effect on driving bottom fishes, and meanwhile, submerged plants planted in lakes and rivers subjected to ecological restoration are restored to provide sheltering environments for the bottom fishes, so that the traditional trawling or manual fish driving methods are not applicable.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background, the present invention is to provide a movable type acoustic fish-driving device to solve the problems mentioned in the background.

The technical purpose of the utility model is realized by the following technical scheme:

a movable sound wave fish driving device comprises a frame main body, a protection net and an underwater acoustic transducer, wherein two fixing rings are symmetrically fixed at the top of the frame main body, steel wire ropes are fixedly hung on the two fixing rings, traction ropes are fixed on the steel wire ropes and fixed at the tail end of a fishing boat, the protection net is a stainless steel wire net, the protection net covers and is fixed on the outer side and the bottom of the frame main body, the underwater acoustic transducer is arranged in the frame main body, the sound source level of the underwater acoustic transducer is larger than 140dB, the frequency is 400-plus-1000 Hz, and the frequency is adjustable.

Preferably, the size of the internal space of the frame body is matched with that of the underwater acoustic transducer, and the underwater acoustic transducer is firmly clamped in the internal space of the frame body.

Preferably, the diameter of the mesh wire of the protection net is 2mm, and the aperture of the protection net is 5 mm.

Preferably, the frame body is a stainless steel frame body.

Preferably, the surfaces of the frame body and the protective net are respectively coated with an antifouling coating.

Preferably, a hook is fixed at one end of the traction rope, which is far away from the steel wire rope.

Preferably, a reflective patch is fixed on the top of the frame body.

Preferably, a foam cushion block is fixed at the bottom of the frame main body.

In summary, the utility model mainly has the following beneficial effects:

1. utilize the device can directionally drive the fish in ecological remediation's lake and the river course, construct earlier stage and operation and maintenance phase at the aquatic plant, effectively regulate and control fish community structure to effectively ensure that the aquatic plant avoids the interference of bottom layer fish.

2. The underwater acoustic transducer adopted by the utility model has high sound source level, the frequency is 400-1000Hz, and the frequency is adjustable, so that the underwater acoustic transducer has frightening and expelling effects on most fishes.

3. The fish repelling device has the advantages of stable structure, safe and reliable practical application, wide action range, higher implementation efficiency and better repelling effect compared with the traditional fish repelling mode.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention.

In the figure: 1. a frame body; 2. a protection net; 3. an underwater acoustic transducer; 4. a steel cord.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a movable sound wave fish driving device comprises a frame body 1, a protection net 2 and an underwater acoustic transducer 3, wherein two fixing rings are symmetrically fixed on the top of the frame body 1, steel wire ropes 4 are fixedly hung on the two fixing rings, a traction rope is fixed on the steel wire ropes 4 and fixed at the tail end of a fishing boat, the protection net 2 is a stainless steel wire net, the protection net 2 covers and is fixed on the outer side and the bottom of the frame body 1, the underwater acoustic transducer 3 is arranged in the frame body 1, the sound source level of the underwater acoustic transducer 3 is greater than 140dB, the frequency is 400-1000Hz, and the frequency is adjustable.

Referring to fig. 1 and fig. 2, the device can directionally drive the fishes in the ecologically-restored lakes and rivers, and effectively regulate and control the structure of a fish community in the early stage and the operation and maintenance stage of the construction of the aquatic plants, so that the aquatic plants are effectively prevented from being interfered by bottom fishes; the underwater acoustic transducer 3 adopted by the utility model has high sound level, the frequency is 400-plus-1000 Hz, and the frequency is adjustable, so that the utility model has frightening and expelling effects on most fishes; the fish-dispelling device has the advantages of stable structure, safe and reliable practical application, wide action range, higher implementation efficiency and better dispelling effect compared with the traditional fish-dispelling mode

Referring to fig. 1 and 2, the size of the internal space of the frame body 1 is matched with the underwater acoustic transducer 3, the underwater acoustic transducer 3 is firmly clamped in the internal space of the frame body 1, and the underwater acoustic transducer 3 can be effectively and conveniently fixed by adopting a firm clamping manner.

Referring to fig. 1 and 2, the diameter of the mesh wire of the protection mesh 2 is 2mm, and the diameter of the mesh wire of the protection mesh 2 is 5 mm; wherein the frame body 1 is a stainless steel frame body, and the stainless steel frame body 1 has good corrosion resistance.

Referring to fig. 1 and 2, the surfaces of the frame body 1 and the protection net 2 are respectively coated with an antifouling coating, and the antifouling coating can facilitate the frame body 1 and the protection net 2 to be soaked in water for a long time, so as to avoid the surface fouling and difficult cleaning.

Referring to fig. 1 and 2, a hook is fixed at one end of the traction rope, which is far away from the steel wire rope 4, and the hook can conveniently and directly clamp and hang the traction rope on the tail of a fishing boat; wherein the top at frame subject 1 is fixed with the reflection of light paster, the setting of reflection of light paster can make things convenient for the fisherman to observe the position of frame subject 1, and wherein the bottom of frame subject 1 is fixed with the foam cushion, and the foam cushion can reduce the rigidity when frame subject 1 moves to ground and assault.

The detailed working process of the embodiment is as follows: a steel wire rope 4 on a movable sound wave fish driving device is hung and buckled at the stern of a fishing boat through a traction rope, and a distance between a frame main body 1 and the bottom of a water body is about 1 m. Before implementation, the route and the direction for driving fishes are determined, when implementation is started, the fishing boat stops at the starting position, the power supply is started to supply power to the signal generator, the signal generator generates a low-frequency signal, the low-frequency signal is amplified through the power amplifier, and finally, the sound wave of low frequency and high sound pressure is emitted through the underwater acoustic transducer 3 to stimulate bottom fishes within a certain range of a sound source so as to drive the fishes away. Then, the fishing boat is started to slowly sail according to the planned route and the planned direction, and the sailing speed is not more than 1m/s, so that the purpose of directionally driving the fishes is achieved.

For the great water of waters area, can adopt and catch up with the net and divide many and catch up with the fish passageway, carry out the subregion and drive, or adopt many ships respectively to dispose one set of movable sound wave and drive fish device, drive in parallel, the distance must not exceed 100 meters between the parallel ship.

For closed water, according to the waters topography, set up the fish gathering district of small area, drive the fish device through the sound wave and catch up the shoal of fish to the fish gathering district, other means such as rethread net cage take out the water with the fish.

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

Claims

1. The utility model provides a fish device is driven to movable sound wave which characterized in that: the underwater sound transducer comprises a frame main body (1), a protection net (2) and an underwater sound transducer (3), wherein two fixing rings are symmetrically fixed at the top of the frame main body (1), steel wire ropes (4) are fixedly hung on the two fixing rings, a traction rope is fixed on each steel wire rope (4), the traction rope is fixed at the tail end of a fishing boat, the protection net (2) is a stainless steel wire net, the protection net (2) covers and is fixed on the outer side and the bottom of the frame main body (1), the underwater sound transducer (3) is arranged in the frame main body (1), the sound source level of the underwater sound transducer is larger than 140dB, and the frequency is 400-increased 1000 Hz.

2. The movable acoustic fish-driving device according to claim 1, wherein: the size of the inner space of the frame main body (1) is matched with that of the underwater acoustic transducer (3), and the underwater acoustic transducer (3) is clamped in the inner space of the frame main body (1).

3. The movable acoustic fish-driving device according to claim 1, wherein: the diameter of the mesh wire of the protection mesh (2) is 2mm, and the aperture of the protection mesh (2) is 5 mm.

4. The movable acoustic fish-driving device according to claim 1, wherein: the frame main body (1) is a stainless steel frame main body.

5. The movable acoustic fish-driving device according to claim 1, wherein: the surfaces of the frame body (1) and the protective net (2) are respectively coated with a layer of antifouling coating.

6. The movable acoustic fish-driving device according to claim 1, wherein: and a hook is fixed at one end of the traction rope, which is far away from the steel wire rope (4).

7. The movable type sound wave fish driving device according to claim 1, wherein: and a reflective patch is fixed on the top of the frame main body (1).

8. The movable acoustic fish-driving device according to claim 1, wherein: and a foam cushion block is fixed at the bottom of the frame main body (1).