보고서 정보
주관연구기관 |
국립수산과학원 National Fisheries Research and Development Institute |
보고서유형 | 최종보고서 |
발행국가 | 대한민국 |
언어 |
한국어
|
발행년월 | 2015-04 |
과제시작연도 |
2014 |
주관부처 |
해양수산부 Ministry of Oceans and Fisheries |
과제관리전문기관 |
국립수산과학원 National Fisheries Research and Development Institute |
등록번호 |
TRKO201500013977 |
과제고유번호 |
1525004160 |
사업명 |
수산시험연구 |
DB 구축일자 |
2015-08-15
|
키워드 |
발광다이오드.집어등.어획성능.발광모듈.LED.Fishing lamp.Fishing power.light emitting module.
|
DOI |
https://doi.org/10.23000/TRKO201500013977 |
초록
▼
○ 채낚기어업에 고효율 집어시스템을 접목하여 어업의 경쟁력을 향상하기 위한 고효율 LED 집어시스템의 개발과 발광 채낚시를 비롯한 자급전원 발광 모듈의 산업화 개발, 집어시스템의 경제성을 분석함.
○ 어선의 동요에도 안정적인 LED 집어등 개발을 위하여 광확산형 300W급 고효율 집어등을 설계 제작하였으며, 배광각을 ±45°로 확대하고, 직하조도 변화률 0.8미만으로 개선되었으며, 광효율은 85lm/W에서 101lm/W로, 총 광속 29856.7lm으로 향상됨.
○ 광확산형 집어등의 방사파장대역에 따른 수중 투과 특성 및
○ 채낚기어업에 고효율 집어시스템을 접목하여 어업의 경쟁력을 향상하기 위한 고효율 LED 집어시스템의 개발과 발광 채낚시를 비롯한 자급전원 발광 모듈의 산업화 개발, 집어시스템의 경제성을 분석함.
○ 어선의 동요에도 안정적인 LED 집어등 개발을 위하여 광확산형 300W급 고효율 집어등을 설계 제작하였으며, 배광각을 ±45°로 확대하고, 직하조도 변화률 0.8미만으로 개선되었으며, 광효율은 85lm/W에서 101lm/W로, 총 광속 29856.7lm으로 향상됨.
○ 광확산형 집어등의 방사파장대역에 따른 수중 투과 특성 및 비시감도를 적용하여 분석하였으며, 수심 50m에서 광속은 메탈등은 1W당 2.23lm이며, LED는 4.90lm으로 LED광원이 2.2배 높게 나타남.
○ 40톤급 시험선에서 LED집어등 120개(300W⨯120개, 36kW)와 기존 메탈 등 28조(1.5kW × 56개, 84kW)를 설치하고, 점등을 통해 약 20%의 에너지 절감에도 비교선박과 어획 성능의 유의차 없음.
○ 근해오징어채낚기 시험선의 조사기간 총 어획량은 11,713kg, 일평균어획량은 837kg이었으며, 비교선 14척의 평균 총 어획량은 10,350kg, 일 어획량은 791kg으로 조업기간 내 양호한 어획실적 확인.
○ 자가발전 무전지식 발광 채낚시의 발광주기 및 지속시간의 개선한 발광 채낚시의 설계를 도출하고 특허를 출원하였으며, 태양전지를 활용한 발광부자 또한 성능개선과 시제품 제작을 마치고 특허 출원 등록하여 산업화 추진.
Abstract
▼
A fish-luring lamp is widely utilized in Korean fishery such as squid jigging, hair-tail angling, stick-held dip net and purse seine fishery. There are approximately five thousand fishing vessels of angling and jigging that use a fishing lamp to catch target species. Today, light sources such as met
A fish-luring lamp is widely utilized in Korean fishery such as squid jigging, hair-tail angling, stick-held dip net and purse seine fishery. There are approximately five thousand fishing vessels of angling and jigging that use a fishing lamp to catch target species. Today, light sources such as metal halide, incandescent, halogen lamps are used for fishing lamps. A fishing lamp consumes a tremendous amount of energy to gather fish at night. The gas bill to operate fishing lamps accounts for almost 30-40% of the total fishing cost, and this is the reason that oil price hikes have dealt a hard blow to fishing industry.
With the necessity to develop low-carbon and energy-saving lamps, there has been a rising interest in a LED (Light Emitting Diode) lamp which has longer life span with high energy efficiency and emits required wavelength. Both Korean and Japanese scientists have carried out a joint research project to develop a LED fishing lamp for hairtail angling and squid jigging fishery to reduce fuel consumption and greenhouse gas emissions, which is one of the purposes of this project. The research activities we carried out in this study are:
First, we compared the characteristics of a 300W High Power LED lamp with metal halide lamp properties to analyze light distribution pattern and luminous efficiency. We also took into consideration seawater transmission characteristics and luminosity factor according to wavelength to analyze the adequacy as the light source of a LED lamp so as to provide for basic data to develop a fishing lamp.
In addition, we analyzed the three-dimensional underwater irradiance and determined the propriety and operation methods of a fishing lamp, using an optical simulation software, under the consideration of luminous intensity distribution and seawater transmission characteristics of the lights, when we use both a light diffuser type 300W high powered LED and the metal halide lamp (MHL) on a coastal squid jigging vessel in the 10-ton class, simultaneously.
As the attenuation characteristics of each wavelength, the irradiance of LED is 1.9-fold higher in 50 m and 2.1-fold in 80 m than those of MHL per power consumption. In addition, underwater irradiance distribution increased with the LED and MHL combination even when total power usage decreased by 20% depending on the configuration and lighting angle of the lamp.
Second, we focused our research efforts on the combination of MHL and LED fish-luring lights. We suggested the optimal arrangement conditions of MHL and LED source arrangement to reach the level of irradiance distribution, and evaluated and analyzed the yield, characteristics and irradiance distribution of the lights. In order to develop a low-cost and highly efficient fishing lamp for squid jigging fishery, the representative coastal and offshore fisheries in Korea, the fishing efficiency of a squid jigging vessel using the LED and metal halide fishing lamp combination was analyzed. Through this study, we aimed to improve the nature of existing LED lamps and to develop fan-shaped LED lights having 300W of power and ±45° angle of luminous intensity distribution. Test fishing to compare fishing efficiency was carried out by a 9.77 ton fishing vessel from October to November in 2013. As a result, fishing boats with LED lamps showed slightly higher fishing efficiency than average metal halide lamps, with 20% of energy saving. This indicates that the combination of LED and metal halide lamps provides higher fishing and energy efficiencies.
The outcomes of this research project from a technical point of view were that we could develop a luring lamp which considered light transmission characteristics and the visibility of target organisms and secured the assessment technology of the lamp. We could also study operation methods of a luring lamp with the consideration of underwater light distribution per different jigging fishery. From an economic and industrial point of view, we can increase profit of fishermen by supplying LED fish-luring lamps which save energy and light replacement costs. In addition, test fishing by several squid jigging fishing boats equipped with LED lamps was carried out to ensure fishing performance by the lamps so as to lay the foundation for industrialization and export of LED lamps. Finally, the reduction of fossil fuel can cut greenhouse gas emission and contain air pollution.
In conclusion, a low-energy and highly efficient LED lamp which has been developed in a response to climate change and FTA will be able to not only realize industrialization of the lamp by technology transfer to private companies but also enhance global competitiveness in the related market.
목차 Contents
- 표 지 ... 1
- 제 출 문 ... 2
- 보고서 요약 ... 3
- 요 약 문 ... 4
- SUMMARY ... 8
- 목 차 ... 11
- CONTENTS ... 12
- 그림 목차 ... 13
- FIGURE LISTS ... 15
- 표 목차 ... 17
- TABLE LISTS ... 19
- 제 1 장 연구개발과제의 개요 ... 21
- 제 2 장 국내외 기술개발 현황 ... 22
- 제 3 장 연구개발수행 내용 및 결과 ... 23
- 제 1 절 광확산형 LED집어등 개발 ... 23
- 제 2 절 자급전원 발광 모듈 실용화 ... 60
- 제 3 절 집어시스템의 경제성 분석 ... 66
- 제 4 장 목표달성도 및 관련분야에의 기여도 ... 69
- 제 5 장 연구개발결과의 활용계획 ... 70
- 제 6 장 참고문헌 ... 71
- 끝페이지 ... 72
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