WO2012018222A2 - System and method of eliminating jellyfish - Google Patents

System and method of eliminating jellyfish Download PDF

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Publication number
WO2012018222A2
WO2012018222A2 PCT/KR2011/005698 KR2011005698W WO2012018222A2 WO 2012018222 A2 WO2012018222 A2 WO 2012018222A2 KR 2011005698 W KR2011005698 W KR 2011005698W WO 2012018222 A2 WO2012018222 A2 WO 2012018222A2
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WO
WIPO (PCT)
Prior art keywords
jellyfish
light
guiding
led
approximately
Prior art date
Application number
PCT/KR2011/005698
Other languages
English (en)
French (fr)
Other versions
WO2012018222A3 (en
Inventor
Seong Chul Shin
Original Assignee
Seong Chul Shin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seong Chul Shin filed Critical Seong Chul Shin
Publication of WO2012018222A2 publication Critical patent/WO2012018222A2/en
Publication of WO2012018222A3 publication Critical patent/WO2012018222A3/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
    • A01K79/02—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery by electrocution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present disclosure relates to a system and method of eliminating jellyfish, and more particularly, to a system and method of easily eliminating jellyfish with high efficiency.
  • Damage to the fishing industry from jellyfish is manifested in various forms that not only affect trap type fishing equipment such as set fishing nets, but also virtually all other forms of fishing, including trawling with dragnets, stow nets, tow nets, long bag set nets, and swing nets on stakes, and entrapping equipment such as gill nets.
  • seawater is drawn through intakes. Most intakes are enclosed by a breakwater to block waves, and the intakes are surrounded by floating organisms such as jellyfish as well as seawater.
  • a grating (screen) with holes of about 3 mm to 4 mm is installed at the front of an intake, and when a large number of jellyfish appear around the intake, the jellyfish with a large mucous content become attached to the grating and block the intake to impede the passage of seawater in through the intake.
  • Related art methods of repelling jellyfish include: 1) releasing a large number of file fish, which are a natural enemy of jellyfish, in the sea in order to repel jellyfish; 2) scoop jellyfish onto a fishing boat using a tool such as a landing net; 3) using a fishing boat and net to capture jellyfish instead of fish and loading them on board or unloading them on land to remove the jellyfish; 4) using a double trawler dragnet, and attaching a tool such as a knife at the end of the net to cut jellyfish into smaller pieces; and 5) dispersing iron oxide, chlorine bleach, or other chemical in seawater to repel jellyfish.
  • the present disclosure provides a system and method of eliminating jellyfish capable of easily eliminating jellyfish by collecting light-chasing zooplankton using light with a predetermined wavelength band to guide jellyfish to converge.
  • a jellyfish guiding unit includes: a lighting device using a light-emitting diode (LED) as a light source; and a supporting device in which the lighting device is installed to allow light to be focused near a surface of sea in a certain region.
  • LED light-emitting diode
  • Thee LED may be provided in plural, and emit light with a wavelength band of approximately 400 nm to approximately 500 nm.
  • a system of eliminating jellyfish includes: a guiding unit configured to guide jellyfish by focusing light with a predetermined wavelength near a surface of sea in a certain region; a transporting unit configured to transport the jellyfish guided into the certain region to at least one place of a fishing boat, a fish cage or a land; a processing unit configured to collect the jellyfish transported by the transporting unit and to kill the transported jellyfish; and a drying unit configured to remove water from the killed jellyfish.
  • the guiding unit may include: a plurality of lighting devices configured to emit lights with predetermined wavelengths; and a supporting device in which the plurality of lighting devices are installed.
  • the lighting device may include: a plurality of LED light sources; a printed circuit board (PCB) where the LED light sources are mounted; and a case configured to seal and protect the LED light source and the PCB, and having a light transmission part through which light emitted by the LED light source is emitted.
  • PCB printed circuit board
  • the LED light source may emit light with a wavelength band of approximately 400 nm to approximately 500 nm.
  • the supporting device may include: a plurality of support frames in which the plurality of lighting devices are installed; and a connection frame configured to connect the support frames and adjust an angle between the support frames.
  • the transporting unit may include: a transport pipe configured to suck jellyfish; a pump configured to supply a suction power to the transport pipe; and a crushing device installed on a fore-end of the transport pipe and configured to crush jellyfish.
  • the processing unit may include: a collection bath in which the jellyfish transported by the transporting unit is collected; and a chemical bath in which a chemical treatment is performed, the chemical bath being separated from the chemical bath.
  • the drying unit may include: a dehydration device configured to dehydrate the killed jellyfish; and a drying device configured to dry the dehydrated jellyfish.
  • a method of eliminating jellyfish includes: guiding jellyfish to converge by focusing light with a predetermined wavelength near a surface of sea in a certain region; transporting the jellyfish guided into the certain region to a collection bath; killing the jellyfish by performing a chemical treatment on the jellyfish of the collection bath; dehydrating the killed jellyfish; and drying the dehydrated jellyfish.
  • the light with the predetermined wavelength may be light having a wavelength band of approximately 400 nm to approximately 500 nm which is emitted from an LED light source.
  • the method may include crushing the jellyfish.
  • the elimination efficiency of jellyfish can be improved. This enables to effectively prevent harmful effect of jellyfish and reduce manpower and cost.
  • an effective ingredient (mucin, glycoprotein of jellyfish) can be extracted during dehydration and drying of jellyfish, and used as resources.
  • FIG. 1 is a block diagram illustrating a system of eliminating jellyfish in accordance with an exemplary embodiment
  • FIG. 2A is a schematic diagram illustrating a configuration of a system of eliminating jellyfish in accordance with an exemplary embodiment
  • FIG. 2B is a schematic diagram illustrating a configuration of a system of eliminating jellyfish in accordance with another exemplary embodiment.
  • FIG. 3 is a flowchart illustrating a method of eliminating jellyfish in accordance with an exemplary embodiment.
  • jellyfish is an aquatic organism comprised of 95% or more of water, and lives by eating tiny fry such as zooplankton.
  • the present invention has been completed by using the phenomenon that the zooplankton tends to be light-chasing and converge in response to light with a predetermined wavelength.
  • FIG. 1 is a block diagram illustrating a system of eliminating jellyfish in accordance with an exemplary embodiment
  • FIG. 2A is a schematic diagram illustrating a configuration of a system of eliminating jellyfish in accordance with an exemplary embodiment
  • FIG. 2B is a schematic diagram illustrating a configuration of a system of eliminating jellyfish in accordance with another exemplary embodiment
  • FIG. 3 is a flowchart illustrating a method of eliminating jellyfish in accordance with an exemplary embodiment
  • the system of eliminating jellyfish in accordance with the exemplary embodiment includes a guiding unit 100 configured to guide jellyfish by focusing light with a predetermined wavelength at a surface of sea in a certain region; a transporting unit 200 configured to transport the jellyfish guided into the certain region to a fishing boat, a fish cage or a land; a processing unit 300 configured to collect the jellyfish transported by the transporting unit 200 and killing the jellyfish; and a drying unit 400 configured to remove water from the killed jellyfish.
  • the guiding unit 100 is an apparatus of focusing light, which enables a prey for jellyfish to be collected, onto a surface of sea, and includes a plurality of lighting devices 120 configured to emit lights with predetermined wavelengths, and a supporting device 110 where the plurality of lighting devices 120 are installed.
  • the lighting device 120 emits light with a predetermined wavelength and allows a prey for jellyfish, i.e., zooplankton to be effectively collected by using a light-emitting diode (LED) as a light source in the current exemplary embodiment
  • LED light-emitting diode
  • the lighting device 120 includes a plurality of LED light sources 123, a printed circuit board (PCB) 121 in which the LED light sources 123 are mounted, and a case 125 of sealing and protecting the LED light sources 123 and the PCB 121 and having a light transmission part 125a through which the light emitted from the LED light sources 123 is emitted.
  • PCB printed circuit board
  • a semiconductor PN junction diode may be used as the LED light source 123.
  • the semiconductor PN junction diode is fabricated by bringing a P-type semiconductor and an N-type semiconductor into contact with each other.
  • a voltage is applied to the PN junction diode, holes in the P-type semiconductor moves toward the N-type semiconductor to be collected in a middle layer, and electrons in the N-type semiconductor move toward the P-type semiconductor to be collected in a middle layer, the lowermost layer of a conduction band.
  • These electrons spontaneously fall into holes of a valence band.
  • energy corresponding to an energy gap i.e., a height difference between the valence band and the conduction band is emitted in the form of light.
  • LED chips may be used.
  • LED chips may emit light with various wavelengths.
  • a blue LED which emits light with a wavelength band of 400 nm to 500 nm to which zooplankton is rapidly and sensitively responsive, more preferably to use a blue LED which emits light with a wavelength of 470 nm.
  • a wiring is patterned for supplying power to the LED light source 123, various types of elements controlling the operation of the LED light source 123 are provided, and a wiring is patterned or connected for receiving power from the outside.
  • the PCB 121 is connected to a power supplier 129 to thereby supply power to the LED light source 123.
  • the case 125 has waterproofing and anticorrosive functions and thus protects the LED light source 123 and the PCB 121 from saline seawater. Therefore, the case 125 surrounds the LED light source 123 and the PCB 121, and includes a light transmission part 125a through which light emitted from the LED light source 123 is emitted in an oriented direction of the LED light source 123. It is preferable that the case 125 be comprised of an anticorrosive material with good thermal conductivity.
  • the case 125 may include Al or Al alloy.
  • the light transmission part 125a may include transparent polycarbonate (PC).
  • the case 125 and the light transmission part 125a are not limited to the above-described materials, but may be formed of various materials enabling the foregoing functions to be carried out.
  • the lighting device 120 is installed in the supporting device 110 and coupled to a fishing boat or fish cage structure.
  • the supporting device 110 which is installed in the lighting device 120 and focuses light emitted from the lighting device 120 onto a surface of sea in a certain region, includes a plurality of support frames 111 where the plurality of lighting devices 120 are installed; and a connection frame 113 connecting the support frames 111 and adjusting an angle between the support frames 111.
  • the support frame 111 has a substantially linear shape, and the lighting device 120 is installed in one direction of the support frame 111.
  • a floating body (not shown) may be installed so as to allow the support frame 111 to float on the water.
  • the supporting device 111 may have the shape of a triangle as illustrated in FIG. 2A, or the shape of a rectangle as illustrated in FIG. 2B.
  • the shape of the supporting device 110 is not limited thereto, and thus the supporting device 110 may have various shapes depending on the number or shape of the support frames 111.
  • the transporting unit 200 transports jellyfish collected by the guiding unit 110 to a fishing boat, a fish cage or a land (hereinafter, means for transporting jellyfish to the fishing boat will be exemplarily described).
  • a fishing boat a fish cage or a land
  • the transporting unit 200 is implemented in such a way of rapidly transporting jellyfish together with seawater.
  • the transporting unit 200 includes a transport pipe 220 configured to suck jellyfish; a pump 230 configured to provide a suction power to the transport pipe 220; and a crushing device 210 installed on a fore-end of the transport pipe and configured to crush the jellyfish.
  • One end of the transport pipe 220 is disposed to face a swarm of jellyfish which is collected by the guiding unit 100, and the other end is connected to the processing unit 300 providing at the fishing boat.
  • the pump 230 is connected to the transport pipe 220, and enables the swarm of jellyfish collected by the guiding unit to be rapidly sucked into the transport pipe 220 and then transported to the processing unit 300.
  • the crushing device 210 is a means for crushing jellyfish at the fore-end of the transport pipe 220 in order to smoothly transport jellyfish.
  • the crushing device 210 may be prepared by sharply forming a fan or attaching a blade to a fan.
  • the shape of the crushing device 210 is not limited to the exemplary embodiment, and the crushing device 210 may be implemented in various ways enabling the jellyfish sucked into the transport pipe 220 to be crushed.
  • the processing unit 300 is a means for collecting jellyfish transported by the transport means 200 and killing them.
  • the processing unit 200 is implemented in such a way of killing jellyfish using chemical treatment.
  • the processing unit 300 includes a collection bath 310 where jellyfish transported by the transporting unit 200 is collected; and a chemical bath 320 in which chemical treatment is performed, wherein the chemical batch 320 is separated from the collection bath 310.
  • the collection bath 310 is connected to an end of the transport pipe 220 and preliminarily stores the jellyfish sucked by the transport pipe 220.
  • the jellyfish preliminarily stored in the collection bath 310 are transferred to the chemical bath 320 and then killed.
  • the chemical bath 320 is provided with a means for spraying chemicals or filled with chemicals, and therefore the chemical bath 320 kills jellyfish by spraying chemicals onto the transported jellyfish or burying the jellyfish in chemicals stored therein.
  • a toxic chemical containing iron oxide and chlorine bleach is used as the chemical used for killing jellyfish.
  • the drying unit 400 is a means for lowering the weight of jellyfish by removing water contained in the jellyfish that has been killed through chemical treatment, and includes a dehydration device 410 configured to dehydrate the killed jellyfish; and a drying device configured to dry the dehydrated jellyfish.
  • a dehydrator using a centrifugal force is used as the dehydration device 410, and 95% or more of water contained in jellyfish is separated by using the dehydration device 410, which reduces the weight of the jellyfish to about 1/20 of the weight before dehydration.
  • the drying device 420 which is a means for removing the water in the jellyfish completely and preparing a post treatment process for extracting effective ingredients of the jellyfish, includes a dryer for drying the jellyfish, and a packer for packing the dried jellyfish.
  • the guiding unit 100 provided with the lighting device 120 using the LED light source 123 is installed at the sea where jellyfish appear frequently. It is preferable that the lighting device 120 be disposed to surround a certain region of a surface of sea enabling light to be focused on the certain region of the surface of sea.
  • the LED light source 123 is then turned on to emit light. At this time, it is preferable to emit blue light with a wavelength band of 400 nm to 500 nm to which zooplankton is sensitively responsive, more preferably to emit blue light with a wavelength of 470 nm.
  • the pump 230 installed on a fishing boat is operated to suck the jellyfish through the transport pipe 220 and transport the sucked jellyfish to the collection bath 310.
  • the jellyfish transported to the collection bath 310 are preliminarily stored in the collection bath 310, and subsequently transported to the chemical bath 320.
  • the jellyfish is killed by spraying toxic chemicals.
  • the killed jellyfish is transferred to the dehydration device 410 and water contained in the jellyfish is mostly removed. Subsequently, the dehydrated jellyfish is transferred to the drying device 420 and then residual water is completely removed.
  • the jellyfish of which water is completely removed is wasted or used for extracting effective ingredients thereof through a post treatment process.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Catching Or Destruction (AREA)
PCT/KR2011/005698 2010-08-06 2011-08-03 System and method of eliminating jellyfish WO2012018222A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100076005A KR101451243B1 (ko) 2010-08-06 2010-08-06 해파리 처리 시스템 및 해파리 처리 방법
KR10-2010-0076005 2010-08-06

Publications (2)

Publication Number Publication Date
WO2012018222A2 true WO2012018222A2 (en) 2012-02-09
WO2012018222A3 WO2012018222A3 (en) 2012-05-10

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PCT/KR2011/005698 WO2012018222A2 (en) 2010-08-06 2011-08-03 System and method of eliminating jellyfish

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KR (1) KR101451243B1 (ko)
WO (1) WO2012018222A2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113925046A (zh) * 2021-10-15 2022-01-14 燕山大学 一种基于视觉识别的水母激光清除装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113142174A (zh) * 2021-03-09 2021-07-23 燕山大学 一种海洋发电厂进水口周边水母光学捕杀系统及捕杀方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003134967A (ja) * 2001-10-30 2003-05-13 Takagi Kogyo Kk 集魚灯
KR20070061372A (ko) * 2005-12-09 2007-06-13 토호쿠 덴료쿠 가부시키가이샤 해파리의 해상 처리 시스템
KR100846193B1 (ko) * 2008-01-23 2008-07-15 김동희 해파리 유인 제거 장치
JP2008296110A (ja) * 2007-05-30 2008-12-11 Tohatsu Corp クラゲ除去方法及び装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101489510B1 (ko) * 2008-06-05 2015-02-03 에스케이이노베이션 주식회사 해조류의 대량 양식을 위한 광합성에 필요한 광원 장치,해조류 양식을 위한 지지체, 심해수 공급 펌프

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003134967A (ja) * 2001-10-30 2003-05-13 Takagi Kogyo Kk 集魚灯
KR20070061372A (ko) * 2005-12-09 2007-06-13 토호쿠 덴료쿠 가부시키가이샤 해파리의 해상 처리 시스템
JP2008296110A (ja) * 2007-05-30 2008-12-11 Tohatsu Corp クラゲ除去方法及び装置
KR100846193B1 (ko) * 2008-01-23 2008-07-15 김동희 해파리 유인 제거 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113925046A (zh) * 2021-10-15 2022-01-14 燕山大学 一种基于视觉识别的水母激光清除装置

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KR101451243B1 (ko) 2014-10-15
WO2012018222A3 (en) 2012-05-10
KR20120013787A (ko) 2012-02-15

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