JP3799444B2 - Acoustic catch-up fishing - Google Patents

Acoustic catch-up fishing Download PDF

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Publication number
JP3799444B2
JP3799444B2 JP21910399A JP21910399A JP3799444B2 JP 3799444 B2 JP3799444 B2 JP 3799444B2 JP 21910399 A JP21910399 A JP 21910399A JP 21910399 A JP21910399 A JP 21910399A JP 3799444 B2 JP3799444 B2 JP 3799444B2
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Japan
Prior art keywords
fish
fishing
final point
net
boat
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Expired - Fee Related
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JP21910399A
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Japanese (ja)
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JP2001008581A (en
Inventor
繁 青木
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繁 青木
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【0001】
【発明の属する技術分野】
本発明は超低音波(地震、雷、山崩れ、大太鼓等)と超音波(イルカ、鯨等)を合成編集したものをCDに録音し、この録音したものを複数隻の潜水追い立て艇から発振させ、外海を回遊する魚群を追いつめて包囲し、待機している漁網船チームによって一挙に捕獲する漁法に関するものである。
【0002】
【従来の技術】
従来、行なわれていてる漁法として、古くは複数の人が水に入って大きな輪を作り、木の枝葉や板で水面を叩きながら魚を追いつめて捕る漁法があった。
又、内海の数キロ沖から複数隻の小船が、それぞれ石等の錘を曳きずりながら木片等をヒラヒラさせ、横一線に並んだ小船が内海の中の一点に魚を追いつめる鯛網、大網、地曳網の漁法があった。
又、魚が来るのを待って獲る定地網漁、魚群探知機を使って獲る底引網漁等が広く行なわれていた。
【0003】
【発明が解決しようとする課題】
しかし、このような漁法は過酷な労働に反して漁獲量は少なく収益も少ないので現在では殆ど行なわれていない。
又、外海は深く広いため前記の漁法では網が届かない大海原であるため潮流も速く、小型の船では操業が困難であるばかりでなく大型船が頻繁に航行するため危険も多く、事故も多く発生している。
古くから行なわれている一本釣り漁も、船や人がひしめき合っているので漁場が混雑するばかりでなく、漁獲量が年々減少し、漁業界は危機感を募らせている現況にある。
本発明は超低音波と超音波を合成編集したものをCDに録音し、この録音した音波を複数隻の潜水追い立て艇から発振させ、外海を回遊する魚群を包囲するようにして最終ポイントに追いつめ、待機している漁網船チームによって一挙に捕獲する音響式追い立て漁法を提供することを目的とする。
【0004】
【課題を解決するための手段】
上記目的を達成するため本発明は、3Hz乃至150kHzの超低音波と、20k1Hz乃至150kHzの超音波の音域を合成して編集することによって不定リズム化し、この編集したものをCDに録音し、これをパワーアンプを介して水中に発振するスピーカー6と超音波発振器7を併用した機能を具備し、動力船2に曳行された潜水追い立て艇3複数隻を外海に横一直線に所定間隔をおいて配列させ、横一線を底辺とする三角形の頂点にあたる地点を最終ポイントとし、この最終ポイント付近に集魚音発振船16と漁網船17のチームを待機させた後、外海から内海の最終ポイントに向かって魚群を追い立て、最終ポイントの2Km〜3km沖合から最終ポイントを徐々に包囲するように動力船2の両端を先行させ、動力船全体を移動させながら包囲範囲を縮小し、最終的に円形状に包囲し、魚群が網漁に最適の深さに達したことを魚集音発振船16がモニターで確認して漁網船チームに合図してから各漁網船17が網を打って魚を捕獲する方法である。
【0005】
【発明の実施の形態】
以下、本発明の実施の形態について説明する。
図1に示したように、沖合数Km、水深100mで岩礁のない海域に最終ポイント4を設定し、この最終ポイント4付近に漁集音発振船16、複数枚のシート15と漁集音発振船16、漁網船17複数隻のチームを配置し、この最終ポイントより数10Km乃至数100Kmの外海に、動力船2に曳行された3Hz乃至150KHzの超音波と、20KHz乃至150KHzの超音波の音域を合成して編集することによって不定リズム化し、この編集したものをCDに録音し、この録音をした超音波をパワーアンプを介して水中に発振するスピーカーと超音波発振器7を併用した機能を具備した潜水追い立て艇3を外海に横一線に所定間隔をおいて配列させた後、外海から内海の最終ポイント4に向かって潜水追い立て艇3から前記超音波を発生させながら魚群を陸地1方向へ追い立てるのであるが、その第一段階として潜水追い立て艇3を横一線に所定間隔をおいて配列させた後、外海から内海の最終ポイント4に向かって、動力船2に曳行された潜水追い立て艇3から超音波による大音響を発生させながら最終ポイント方向に移動する。
動力船2にはチーフ船が中央にいてレーダーを見ながら全体の動きを把握し、他の動力船からのテレビモニターや魚群の位置行動の情報を受け、各動力船に音響出力、走行、障害物等に関する指示、連絡をする。
第二段階として、動力船2の船団が最終ポイント4に近ずくにつれて所定間隔をおいた横一線の動力船2の両端から漸次進行を速め、全体が逆扇形状を形成しながら魚群の動きに合せて最終ポイント4を目指して進行する。
第三段階は最終ポイント4から2Km〜3Kmの地点に達したあたりから逆扇形状の動力船が最終ポイント4を囲むように進行し、最終的には円陣を形成し、徐々にその輪を縮めていく。
第四段階は最終ポイント4付近の水面に浮かせた複数枚のシート15で陰を作り、魚集音発振船から漁集音を発振しながら魚群探知機のモニターで監視し、モニターによって網打ちチャンスを確認した時点で各漁網船16に合図を送り、一斉に網を打つ。
第五段階では網を打つと同時に最終ポイント付近に浮設したシート15と魚集音発振船16を動力船2の円陣の外に退出させてから網揚げの段階に入る。
第六段階は網揚げで、網揚げの作業は現在行なわれている網揚げと同様であるが、巻き網の他に定置網や差し網に追い込むことも可能である。
本発明に使用される潜水追い立て艇3は動力船2に曳行されるもので、図2及び図3に示したように左右斜め下向きに水中スピーカー6が設けてあり、その後方に超音波発振器7が設けられている。
前方斜め下向きに水中ライト8、TVカメラ9が設置されていおり、後部の左右側部に尾扇10が設けられていて安定した航行ができるようになっている。
又、潜水追い立て艇3の底部には陸上運搬用のキャスター11が取り付けられていて、艇体上部には完全に密封されるマンホール12が設けられ、このマンホールは艇を造る際に使用したり、修理をする際の窓として使用するようになっているもので、内壁には温度差による結露防止のための防露材が張設されている。潜水追い立て艇3の先端部のワイヤロープ18はステンレス金具を利用し、結合ピン14を介して艇体に連結され、海上に浮遊する障害物を排除するようになっている。
【0006】
【発明の効果】
本発明の音響式追い立て漁法を利用することによって外海から内海に大量の魚群を効率的に追い込むことはできるが、巻き網漁法と云っても半分以上の魚は網外に逃げてしまうのが常識であるが、このような逃げた魚によって近海の魚が増える効果がある。
又、従来外洋で行なわれている漁獲操業は大規模のものであったが、本発明の音響式追い立て漁法を利用すれば小規模であっても大規模漁業に比較して遜色のない成果をあげることができる。
【図面の簡単な説明】
【図1】本発明に使用する船等の配置状態を示す平面図である。
【図2】本発明に使用する潜水追い立て艇の側面図である。
【図3】本発明の潜水追い立て艇の平面図である。
【符号の説明】
1 陸地
2 動力船
3 潜水追い立て艇
4 最終ポイント
5 ケーブル
6 スピーカー
7 超音波発振器
8 ライト
9 TVカメラ
10 尾扇
11 キャスター
12 マンホール
13 ステンレス金具
14 接合ピン
15 シート
16 魚集音発振船
17 漁網船
18 ワイヤロープ
[0001]
BACKGROUND OF THE INVENTION
The present invention records a combination of ultra-low sound waves (earthquakes, lightning, landslides, large drums, etc.) and ultrasonic waves (dolphins, whales, etc.) on a CD and oscillates the recorded sound from multiple submersible boats. It is related to a fishing method that catches and surrounds a school of fish traveling around the open sea and captures it at once by a waiting fishing net team.
[0002]
[Prior art]
In the past, there was a fishing method in which multiple people entered the water to make a large ring, and then caught and caught the fish while hitting the water surface with tree branches and boards.
In addition, several small boats from several kilometers off the coast of the inland sea squeeze a piece of wood, etc., whispering the weights of stones, etc., and the small boats lined up in a horizontal line catch the fish at a point in the inland sea. There was a fishing method for local nets.
In addition, there were widespread activities such as fixed net fishing that catches fish and waits for fish to come, and bottom net fishing that uses a fish finder.
[0003]
[Problems to be solved by the invention]
However, such fishing methods are rarely carried out at present because of the small amount of catch and low profits against severe labor.
Also, because the open sea is deep and wide, it is a large ocean that cannot be reached by the above-mentioned fishing method, so the tide is fast.It is not only difficult to operate with a small boat, but it is also dangerous because large boats are frequently operated, and there are many accidents. Many have occurred.
The fishing industry, which has been practiced since ancient times, is not only crowded with boats and people, but also the fishing grounds are decreasing year by year.
In the present invention, a combination of ultra-low sound waves and ultrasonic waves is recorded on a CD, and the recorded sound waves are oscillated from a plurality of submersible boats to catch up to the final point so as to surround a school of fish traveling around the open sea. The objective is to provide an acoustic catch-up fishing method that can be captured at once by a waiting fishing net team.
[0004]
[Means for Solving the Problems]
In order to achieve the above object, the present invention generates an indefinite rhythm by synthesizing and editing the ultralow acoustic wave of 3 Hz to 150 kHz and the ultrasonic range of 20 k1 Hz to 150 kHz, and recording the edited one on a CD. Is equipped with a function that uses an ultrasonic oscillator 7 in combination with a speaker 6 that oscillates in water through a power amplifier, and arranges a plurality of submerged boats 3 that are coasted by a power ship 2 in a straight line at predetermined intervals in the open sea. The final point is the point corresponding to the apex of the triangle with the horizontal line as the base, and the team of the fish-collecting sound oscillating ship 16 and the fishing net ship 17 is waiting in the vicinity of this final point, and then the school of fish from the open sea toward the final point in the inland sea And move the entire power ship by leading both ends of the power ship 2 so as to gradually surround the final point from 2Km to 3km offshore of the final point. The siege range is reduced, and finally it is enclosed in a circular shape, and the fish collection oscillator 16 confirms on the monitor that the fish school has reached the optimum depth for net fishing, and signals the fishing net boat team. In this method, each fishing net boat 17 hits the net to catch fish.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below.
As shown in FIG. 1, a final point 4 is set in an offshore area of Km, a water depth of 100 m, and there is no reef, and a fishing sound collection vessel 16, a plurality of sheets 15 and a fishing sound collection oscillation are located near this final point 4. The ship 16 and the fishing net boat 17 teams are arranged, and from this final point to the open sea several tens to several hundred kilometers, the ultrasonic range of 3 Hz to 150 KHz and the ultrasonic range of 20 KHz to 150 KHz that were coasted by the power ship 2 It is made into an indefinite rhythm by synthesizing and editing, and the edited one is recorded on a CD, and a function of using the ultrasonic oscillator 7 in combination with a speaker that oscillates the recorded ultrasonic wave in water through a power amplifier is provided. The submersible boat 3 is arranged in a horizontal line at a predetermined interval in the open sea, and then the ultrasonic wave is sent from the submersible follower boat 3 toward the final point 4 in the inland sea. The fish is driven in the direction of land 1 while being laid, but as a first step, the submarine tracking boats 3 are arranged at predetermined intervals in the horizontal line, and then the power boat is moved from the open sea toward the final point 4 in the inland sea. 2. Move in the direction of the final point while generating a supersonic wave from the submerged boat 3 that has been coasted by No. 2.
The power ship 2 has a chief ship in the center and grasps the whole movement while watching the radar, receives information on the TV monitor and the position of the fish school from other power ships, and outputs sound, running, and obstacles to each power ship. Give instructions and contact about things.
As the second stage, as the fleet of the power ship 2 approaches the final point 4, the speed gradually advances from both ends of the power ship 2 of a horizontal line with a predetermined interval, and the whole moves into the movement of the fish while forming a reverse fan shape. At the same time, aim for the final point 4.
In the third stage, the reverse fan-shaped power ship proceeds to surround the final point 4 from the point 2Km to 3Km from the final point 4, finally forming a circle and gradually shrinking the ring To go.
In the fourth stage, shades are created with a plurality of sheets 15 floated on the surface of the water near the final point 4, and the fish catching sound is oscillated from the fish sound collecting oscillating ship and monitored by the fish detector monitor. At the time of confirming, a signal is sent to each fishing net ship 16 and the nets are hit all at once.
In the fifth stage, at the same time as hitting the net, the sheet 15 floated near the final point and the fish sounding oscillation ship 16 are moved out of the circle of the power ship 2 and then the net lifting stage is entered.
The sixth stage is netting, and the netting operation is the same as that currently performed, but it is also possible to drive into a stationary net or a batting net in addition to the winding net.
The submersible boat 3 used in the present invention is coasted by the power ship 2, and as shown in FIGS. 2 and 3, an underwater speaker 6 is provided obliquely downward from side to side, and an ultrasonic oscillator 7 is provided behind the underwater speaker 6. Is provided.
An underwater light 8 and a TV camera 9 are installed obliquely downward in the front, and a tail fan 10 is provided on the left and right sides of the rear part so that stable navigation is possible.
Further, a caster 11 for land transportation is attached to the bottom of the submersible boat 3, and a manhole 12 that is completely sealed is provided at the top of the hull. It is designed to be used as a window when repairing, and a dew-proofing material is installed on the inner wall to prevent condensation due to temperature differences. The wire rope 18 at the tip of the submersible boat 3 is connected to the hull through a connecting pin 14 using a stainless steel fitting, and eliminates obstacles floating on the sea.
[0006]
【The invention's effect】
A large school of fish can be driven efficiently from the open sea to the inland sea by using the acoustic catching fishing method of the present invention. However, this kind of escaped fish has the effect of increasing the number of fish near the sea.
In addition, fishing operations that have been carried out in the open ocean have been large-scale, but if the acoustic catch-up fishing method of the present invention is used, results that are comparable to large-scale fisheries can be achieved even on a small scale. I can give you.
[Brief description of the drawings]
FIG. 1 is a plan view showing an arrangement state of ships and the like used in the present invention.
FIG. 2 is a side view of the submersible boat used in the present invention.
FIG. 3 is a plan view of a diving boat according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Land 2 Power ship 3 Submersible boat 4 Final point 5 Cable 6 Speaker 7 Ultrasonic oscillator 8 Light 9 TV camera 10 Tail fan 11 Caster 12 Manhole 13 Stainless metal fitting 14 Joint pin 15 Sheet 16 Fish sound collection oscillation ship 17 Fishing net ship 18 Wire rope

Claims (1)

3Hz乃至150kHzの超低音波と、20kHz乃至150kHzの超音波の音域を合成して編集することによって不定リズム化し、この編集したものをCDに録音し、これをパワーアンプを介して水中に発振するスピーカーと超音波発振器を併用した機能を具備し、動力船に曳行された潜水追い立て艇複数隻を外海に横一線に所定間隔をおいて配列させ、横一線を底辺とする三角形の頂点にあたる地点を最終ポイントとし、この最終ポイント付近に集魚音発振船と漁網船チームを待機させた後、外海から内海の最終ポイントに向かって潜水追い立て艇から前記超音波を発生させながら魚群を追い立て、最終ポイントの2km〜3km沖合から最終ポイントを徐々に包囲するように動力船の両端を先行させ、動力船全体を移動させながら包囲範囲を縮小し、最終的に円形状に包囲し、魚群が網漁に最適の深さに達したことを魚集音発振船がモニターで確認した時点で漁網船チームに合図し、各魚網船が網を打って魚をを捕獲することを特徴とする音響式追い立て漁法。An indefinite rhythm is created by synthesizing and editing the range of 3 Hz to 150 kHz ultra-low sound waves and 20 kHz to 150 kHz ultrasonic waves. It has a function that uses both a speaker and an ultrasonic oscillator. The final point, and the fish collection sounding vessel and the fishing net boat team are waiting near this final point, and then the fish is driven from the outside sea toward the final point in the inland sea by generating the ultrasonic waves from the submersible boat, From the 2km to 3km offshore, the end of the power ship is advanced so as to gradually surround the final point, and the entire power ship is moved while being wrapped. The range was reduced and eventually enclosed in a circular shape, and when the fish collection oscillator confirmed on the monitor that the fish had reached the optimum depth for net fishing, the fishnet boat team was signaled. An acoustic catch-up fishing method characterized by hitting a net and catching fish.
JP21910399A 1999-06-28 1999-06-28 Acoustic catch-up fishing Expired - Fee Related JP3799444B2 (en)

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JP3799444B2 true JP3799444B2 (en) 2006-07-19

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CN111086607B (en) * 2019-12-31 2021-11-12 武汉理工大学 Intelligent transportation control system and method for barge set
CN114208786B (en) * 2021-11-23 2023-09-12 中国水产科学研究院东海水产研究所 Directional sound control fish-driving fishing method

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