CN111972362B - Jellyfish interception net and use method thereof - Google Patents

Jellyfish interception net and use method thereof Download PDF

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Publication number
CN111972362B
CN111972362B CN202010903624.XA CN202010903624A CN111972362B CN 111972362 B CN111972362 B CN 111972362B CN 202010903624 A CN202010903624 A CN 202010903624A CN 111972362 B CN111972362 B CN 111972362B
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net
jellyfish
bag
wall
ring
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CN111972362A (en
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杨炳忠
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South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K69/00Stationary catching devices
    • A01K69/04Fixed nets with traps
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K75/00Accessories for fishing nets; Details of fishing nets, e.g. structure
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K75/00Accessories for fishing nets; Details of fishing nets, e.g. structure
    • A01K75/04Floats
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Marine Sciences & Fisheries (AREA)

Abstract

The invention discloses a jellyfish interception net and a use method thereof, wherein the jellyfish interception net comprises the following steps: a plurality of net walls and net sacs matched and connected with the net walls; two adjacent net walls are symmetrically distributed, a plurality of sinker rings are arranged on one side of each net wall at intervals along the length direction, a plurality of buoys are arranged on one side of each net wall, which is symmetrical to the sinker rings, at intervals, the buoys correspond to the sinker rings one by one, and a guide mechanism is arranged on the inner side of each net wall and can guide the jellyfish to the inner side of each net wall; the net wall is characterized in that a net ring is fixedly connected to the end portion of the net wall, one end of the net ring is connected with a net bag, the net bag is used for collecting jellyfishes, at least one floating ball is arranged on the net bag, at least one pull rope is arranged on the net bag, and the net bag can be closed up and netted through the pull rope.

Description

Jellyfish intercepting and tensioning net and using method thereof
Technical Field
The invention relates to an interception tensioned net, in particular to a jellyfish interception tensioned net and a using method thereof.
Background
Jellyfish is an important plankton in aquatic environment, and belongs to the class of echinocystis bowl jellyfish. Jellyfish is a very beautiful aquatic animal. The body shape of the umbrella is like a transparent umbrella, the diameter of the umbrella body is large and small, and the diameter of the umbrella body of a large jellyfish can reach 2 meters. The umbrella-shaped body is provided with a plurality of whisker-shaped tentacles at the edge, some tentacles can be as long as 20-30 meters, the jellyfish body mainly contains water and consists of an inner layer and an outer layer, and a thick middle glue layer is arranged between the two layers, so that the jellyfish body is not only transparent, but also has a floating function. When the jellyfishes move, the jellyfishes move forward by utilizing water spray reflection in the body and are far seen like a top round umbrella which quickly floats and swims in water, umbrella-shaped bodies of some jellyfishes are provided with various patterns, the swimming jellyfishes with different colors are very beautiful in blue ocean, but in the process of carrying out jellyfish interception and fishing, some jellyfishes cannot inevitably catch part of other marine organisms together, the propagation of other marine organisms is influenced while the existing food chain is damaged, meanwhile, the jellyfishes cannot be guided in the jellyfish interception process of the existing expanded nets, multi-level interception is not arranged in a multi-level internal net, the interception pressure of the intercepted expanded nets is easily increased, in addition, the interception yield is not monitored in a buoy interception mode, and the practicability is not high.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a jellyfish interception stretched net and a using method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: a jellyfish blocking net, comprising: a plurality of net walls and net sacs matched and connected with the net walls;
two adjacent net walls are symmetrically distributed, a plurality of sinker rings are arranged on one side of each net wall at intervals along the length direction, a plurality of buoys are arranged on one side of each net wall, which is symmetrical to the sinker rings, at intervals, the buoys correspond to the sinker rings one by one, and a guide mechanism is arranged on the inner side of each net wall and can guide the jellyfish to the inner side of each net wall;
the net wall is characterized in that a net ring is fixedly connected to the end portion of the net wall, one end of the net ring is connected with a net bag, the net bag is used for collecting jellyfishes, at least one floating ball is arranged on the net bag, at least one pull rope is arranged on the net bag, and the net bag can be closed up and raised through the pull rope.
In a preferred embodiment of the invention, the net ring and the net bag are in snap connection, and when the weight of the jellyfish in the net bag is larger than a preset value, the net bag automatically falls off.
In a preferred embodiment of the present invention: at least one fixing anchor is arranged at the bottom of any net wall, and the fixing anchor is at least partially inserted into the seabed material.
In a preferred embodiment of the invention, at least one inner bag is arranged inside the net ring, and the mesh size of the inner bag is larger than that of the net bag.
In a preferred embodiment of the invention, the inner bag is provided with an adjusting rope, and the tension of the inner bag can be adjusted by pulling the adjusting rope.
In a preferred embodiment of the invention, the net wall and the net ring can be fixedly connected through a fixing bolt or movably connected through a zipper.
In a preferred embodiment of the invention, the inner sides of adjacent net walls are combined into a guide area, and the size from the opening end of the guide area to the net ring direction is gradually reduced.
In a preferred embodiment of the present invention, a retraction rope is disposed on the mesh bag, and at least one of the floating balls is connected to both ends of the retraction rope.
In a preferred embodiment of the invention, a plurality of inverted whiskers are arranged at the joint of the net sac and the net ring, and any two inverted whiskers have a splayed structure.
In order to achieve the purpose, the invention adopts another technical scheme as follows: a jellyfish interception net using method comprises the following steps:
the net wall is vertically fixed in the sea area through the sinker ring, and the size of the opening end of the net wall is larger than that of the net sac;
guiding the jellyfishes to a guiding area on the inner side of the net wall through a guiding mechanism for collection;
the jellyfish enters the net sac through the net ring along the guide area, and in the process of entering the net sac, the jellyfish isolates other marine organisms through the inner sacs;
the jellyfish passes through a plurality of splayed inverted beards before entering the net bag and is subjected to secondary isolation;
in the jellyfish collecting process, the jellyfish amount is monitored through floating ball floating parameters.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) through setting up the opening net wall to through two net wall encircleed city guide area, guide mechanism through on the net wall guides jellyfish to the inboard region of net wall, gets into the dictyosome, and jellyfish must enter the dictyosome through falling down and carry out the interception and collect, is provided with the buoy on the dictyosome, can monitor jellyfish output through the buoy, is provided with the stay cord on the dictyosome, can close up the dictyosome and play the net through the pulling stay cord, prevents that jellyfish from escaping.
(2) Can intercept great catch thing through being provided with a plurality of inner bags in the snare is inside, and progressively intercept through a plurality of inner bags, reduce the interception pressure of falling must, arbitrary inner bag homoenergetic is taken out alone, releases the catch thing of this inner bag interception, can realize the interception to jellyfish, and the pertinence is stronger.
(3) The net wall can be vertically fixed in the sea area through the sinker rings and the buoys which are symmetrically arranged, the maximum net-opening intercepting sea area is realized, the size of an intercepting area on the inner side of the net wall from the net wall port to the net sac direction is gradually reduced, and the gradual gathering of the intercepted jellyfishes is realized.
(4) Be provided with the floater on the net bag, and the buckle is connected between net circle and the net bag, and when jellyfish weight in the net bag was greater than the predetermined value, through the action of gravity, the net bag was automatic to drop, and at this moment, through the mutually supporting between floater buoyancy and the jellyfish gravity, the automatic shrink of shrink rope was realized, prevented that the jellyfish of collecting in the net bag from escaping, and the security is higher.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a partial perspective block diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a tensioning web of a preferred embodiment of the present invention;
in the figure: 1. a fixing ring; 2. pulling a rope; 3. a net wall; 4. a guide mechanism; 5. a net ring; 6. contraction rope, 7, net bag, 8, sinker ring, 9, guide area, 10, inverted beard, 11 and floating ball.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations. As shown in fig. 1-2, a jellyfish intercepting net includes: a plurality of net walls 3 and net bags 7 which are matched and connected with the net walls 3;
two adjacent net walls 3 are symmetrically distributed, a plurality of sinker rings 8 are arranged on one side of each net wall 3 at intervals along the length direction, a plurality of buoys are arranged on one side of each net wall 3, which is symmetrical to the sinker rings 8, at intervals, the buoys correspond to the sinker rings 8 one by one, a guide mechanism 4 is arranged on the inner side of each net wall 3, and the guide mechanism 4 can guide the jellyfish to the inner side of each net wall 3;
3 end fixedly connected with net rings of net wall 5, 5 one end of net ring are connected with net bag 7, and net bag 7 is used for collecting the jellyfish, is provided with at least one floater 11 on net bag 7, is provided with at least one stay cord 2 on the net bag 7, can close up net bag 7 through stay cord 2 and get up the net, and the stay cord tip is provided with solid fixed ring 1.
It should be noted that the floating ball 11 is arranged on the net bag 7, the net ring 5 is connected with the net bag 7 in a buckling mode, when the weight of the jellyfish in the net bag 7 is larger than a preset value, the net bag 7 automatically falls off under the action of gravity, at the moment, the floating ball 11 is matched with the gravity of the jellyfish in a floating mode, automatic contraction of the contraction rope 6 is achieved, the jellyfish collected in the net bag 7 is prevented from escaping, safety is high, the net wall 3 can be vertically fixed in a sea area through the symmetrically arranged sinker rings 8 and the buoys, the maximum net-opening intercepting sea area is achieved, the size of an intercepting area on the inner side of the net wall 3 is gradually reduced from the port of the net wall 3 to the direction of the net bag 7, and the intercepting jellyfish is gradually gathered.
According to the embodiment of the invention, the net ring 5 is in snap connection with the net bag 7, and when the weight of the jellyfish in the net bag 7 is larger than a preset value, the net bag 7 automatically falls off.
According to an embodiment of the invention, at least one anchor is arranged at the bottom of any of the net walls 3, and the anchor is at least partially inserted into the seabed material.
It should be noted that, through setting up opening net wall 3, and through two net wall 3 enclosed city guide area 9, guide mechanism 4 through on the net wall 3 with jellyfish to the inboard region of net wall 3, get into the net circle 5, jellyfish must 10 through falling into the net bag 7 through falling and intercept and collect, be provided with the buoy on the net bag 7, can monitor jellyfish output through the buoy, be provided with stay cord 2 on the net bag 7, can close up net bag 7 through pulling stay cord 2 and play the net, prevent that jellyfish from escaping.
According to an embodiment of the invention, at least one inner bag is arranged inside the net ring 5, the mesh size of the inner bag being larger than the mesh size of the net bag 7.
It should be noted that a plurality of inner bags are arranged inside the net ring 5, so that a large fishery catch object can be intercepted, the inner bags are used for gradually intercepting, the intercepting pressure of the inverted beard 10 is reduced, any one inner bag can be taken out independently, the fishery catch object intercepted by the inner bag is released, the interception of jellyfishes can be achieved, and the pertinence is strong.
According to the embodiment of the invention, the inner bag is provided with the adjusting rope, and the tension of the inner bag can be adjusted by pulling the adjusting rope.
According to the embodiment of the invention, the net wall 3 and the net ring 5 can be fixedly connected through the fixing bolt or movably connected through the zipper.
According to the embodiment of the invention, the inner sides of the adjacent net walls 3 are combined into the guide area 9, and the size of the opening end of the guide area 9 to the direction of the net ring 5 is gradually reduced.
According to the embodiment of the invention, the net bag 7 is provided with the contraction rope 6, and at least one floating ball 11 is connected to two ends of the contraction rope 6.
According to the embodiment of the invention, a plurality of inverted whiskers 10 are arranged at the joint of the net bag 7 and the net ring 5, and any two inverted whiskers 10 are in a splayed structure.
In order to achieve the purpose, the invention adopts another technical scheme as follows: a jellyfish interception net using method comprises the following steps:
the net wall is vertically fixed in the sea area through the sinker ring, and the size of the opening end of the net wall is larger than that of the net sac;
guiding the jellyfishes to a guiding area on the inner side of the net wall through a guiding mechanism to be collected;
the jellyfish enters the net sac through the net ring along the guide area, and in the process of entering the net sac, the jellyfish isolates other marine organisms through the inner sacs;
the jellyfish passes through a plurality of splayed inverted beards before entering the net bag and is subjected to secondary isolation;
in the jellyfish collecting process, the jellyfish amount is monitored through floating ball floating parameters.
It should be noted that the floating ball 11 is arranged on the net bag 7, the net ring 5 is connected with the net bag 7 in a buckling mode, when the weight of the jellyfish in the net bag 7 is larger than a preset value, the net bag 7 automatically falls off under the action of gravity, at the moment, the automatic contraction of the contraction rope 6 is achieved through the mutual matching of the buoyancy of the floating ball 11 and the gravity of the jellyfish, the jellyfish collected in the net bag 7 is prevented from escaping, the safety is high, the net wall 3 can be vertically fixed in a sea area through the symmetrically arranged sinker rings 8 and the buoys, the maximum sea area intercepting of the expanded net is achieved, the size of an intercepting area on the inner side of the net wall 3 in the direction from the port of the net wall 3 to the net bag 7 is gradually reduced, and the intercepting jellyfish is gradually gathered.
In a preferred embodiment of the invention, the size of the net sac head part is larger than that of the net sac tail part.
According to the embodiment of the invention, at least one inner bag is arranged inside the net ring 5, and the mesh size of the inner bag is larger than that of the net bag 7.
It should be noted that a plurality of inner bags are arranged inside the net ring 5, so that a large fishery catch object can be intercepted, the inner bags are used for gradually intercepting, the intercepting pressure of the inverted beard 10 is reduced, any one inner bag can be taken out independently, the fishery catch object intercepted by the inner bag is released, the interception of jellyfishes can be achieved, and the pertinence is strong.
According to the embodiment of the invention, the inner bag is provided with the adjusting rope, and the tension of the inner bag can be adjusted by pulling the adjusting rope.
According to the embodiment of the invention, the net wall 3 and the net ring 5 can be fixedly connected through the fixing bolt or movably connected through the zipper.
According to the embodiment of the invention, the inner sides of the adjacent net walls 3 are combined into the guide area 9, and the size of the opening end of the guide area 9 to the direction of the net ring 5 is gradually reduced.
According to the embodiment of the invention, the net bag 7 is provided with the contraction rope 6, and at least one floating ball 11 is connected to two ends of the contraction rope 6.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. A jellyfish blocking net, comprising: a plurality of net walls and net bags which are matched and connected with the net walls; it is characterized in that the preparation method is characterized in that,
two adjacent net walls are symmetrically distributed, a plurality of sinker rings are arranged on one side of each net wall at intervals along the length direction, a plurality of buoys are arranged on one side of each net wall, which is symmetrical to the sinker rings, at intervals, the buoys correspond to the sinker rings one by one, and a guide mechanism is arranged on the inner side of each net wall and can guide the jellyfish to the inner side of each net wall;
the net wall is characterized in that a net ring is fixedly connected to the end part of the net wall, one end of the net ring is connected with a net bag, the net bag is used for collecting jellyfishes, at least one floating ball is arranged on the net bag, at least one pull rope is arranged on the net bag, and the net bag can be closed up and raised through the pull rope;
the net ring is connected with the net bag in a buckling mode, and when the weight of the jellyfishes in the net bag is larger than a preset value, the net bag automatically falls off;
at least one inner bag is arranged on the inner side of the net ring, and the mesh size of the inner bag is larger than that of the net bag;
the inner sides of the adjacent net walls are combined into a guide area, and the size from the opening end of the guide area to the net ring direction is gradually reduced;
the connecting part of the net sac and the net ring is provided with a plurality of inverted whiskers, and any two inverted whiskers have a splayed structure.
2. The jellyfish intercepting net according to claim 1, wherein: at least one fixing anchor is arranged at the bottom of any net wall, and the fixing anchor is at least partially inserted into the seabed material.
3. The jellyfish intercepting net according to claim 1, wherein: be provided with on the inner bag and adjust the rope, the pulling adjust the rope, can adjust inner bag tension.
4. The jellyfish blocking net according to claim 1, characterized in that: the net wall and the net ring can be fixedly connected through a fixed bolt or movably connected through a zipper.
5. The jellyfish blocking net according to claim 1, characterized in that: the net bag is provided with a contraction rope, and at least one floating ball is connected to two ends of the contraction rope.
6. The method for using the jellyfish blocking net according to any one of claims 1 to 5, comprising the steps of:
the net wall is vertically fixed in the sea area through the sinker ring, and the size of the opening end of the net wall is larger than that of the net sac;
guiding the jellyfishes to a guiding area on the inner side of the net wall through a guiding mechanism to be collected;
the jellyfish enters the net sac through the net ring along the guide area, and in the process of entering the net sac, the jellyfish isolates other marine organisms through the inner sacs;
the jellyfish passes through a plurality of splayed inverted beards before entering the net bag and is subjected to secondary isolation;
in the jellyfish collecting process, the jellyfish amount is monitored through floating parameters of the floating ball.
CN202010903624.XA 2020-09-01 2020-09-01 Jellyfish interception net and use method thereof Active CN111972362B (en)

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CN111972362B true CN111972362B (en) 2022-09-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114223622B (en) * 2021-12-16 2023-05-05 中国水产科学研究院淡水渔业研究中心 Anchoring type jiang net acquisition device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002138446A (en) * 2000-11-06 2002-05-14 Ryoyo Sangyo Kk Jellyfish catching and reuse method
CN201349447Y (en) * 2009-01-19 2009-11-25 上海海洋大学 Cyanea nozakii net sheet separation device of fishing net
CN108401994A (en) * 2018-04-17 2018-08-17 中国水产科学研究院南海水产研究所 A kind of shrimp fishing net that can remove other marine organisms
CN108782478A (en) * 2018-08-03 2018-11-13 中国水产科学研究院东海水产研究所 Jellyfish intercepts finishing device and its application method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002138446A (en) * 2000-11-06 2002-05-14 Ryoyo Sangyo Kk Jellyfish catching and reuse method
CN201349447Y (en) * 2009-01-19 2009-11-25 上海海洋大学 Cyanea nozakii net sheet separation device of fishing net
CN108401994A (en) * 2018-04-17 2018-08-17 中国水产科学研究院南海水产研究所 A kind of shrimp fishing net that can remove other marine organisms
CN108782478A (en) * 2018-08-03 2018-11-13 中国水产科学研究院东海水产研究所 Jellyfish intercepts finishing device and its application method

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