KR20230124194A - Wave power generation apparatus - Google Patents
Wave power generation apparatus Download PDFInfo
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- KR20230124194A KR20230124194A KR1020220021197A KR20220021197A KR20230124194A KR 20230124194 A KR20230124194 A KR 20230124194A KR 1020220021197 A KR1020220021197 A KR 1020220021197A KR 20220021197 A KR20220021197 A KR 20220021197A KR 20230124194 A KR20230124194 A KR 20230124194A
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- wave power
- buoyancy body
- power generation
- vertical passage
- passage
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- 238000010248 power generation Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims description 12
- 239000013535 sea water Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002803 fossil fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1885—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1845—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
- F03B13/1865—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem where the connection between wom and conversion system takes tension only
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Description
본 발명은 파력을 증폭시켜 파력 발전을 수행할 수 있는 파력 발전 장치에 관한 것이다.The present invention relates to a wave power generator capable of performing wave power generation by amplifying wave power.
일반적인 발전방법에는 수력을 이용한 수력발전, 화석연료를 이용한 화력발전, 원자력을 이용한 원자력발전 등이 있다.Common power generation methods include hydroelectric power generation using hydropower, thermal power generation using fossil fuels, and nuclear power generation using nuclear power.
이러한 발전방법들은 대규모의 발전설비와 발전설비를 가동시키기 위한 막대한 양의 에너지원을 필요로 하며 설치장소에 제약이 따른다.These power generation methods require large-scale power generation facilities and a huge amount of energy sources to operate power generation facilities, and are subject to restrictions on installation locations.
특히, 화력발전에 이용되는 에너지원으로서 석유나 석탄 등의 화석연료는 타 연료에 비해 그 의존도가 매우 크기 때문에 자원 고갈 등의 문제를 야기하고, 그 사용이 영구적이지 못하다는 한계를 안고 있다. 또한, 대기오염과 방사능의 유출 우려가 있어 환경 친화적이지 않다는 문제가 있다.In particular, as an energy source used in thermal power generation, fossil fuels such as petroleum and coal are highly dependent on other fuels, causing problems such as resource depletion, and their use is not permanent. In addition, there is a problem that it is not environmentally friendly due to concerns about air pollution and leakage of radioactivity.
이와 같이, 최근에는 화석연료의 고갈과 환경오염의 문제점이 부각되면서 자연에너지를 직접적으로 이용하여 전기를 발생시킬 수 있으며, 대규모의 발전설치가 필요 없는 대체에너지의 개발이 요구되고 있다.As such, recently, as the problems of depletion of fossil fuels and environmental pollution have been highlighted, it is possible to generate electricity by directly using natural energy, and there is a demand for the development of alternative energy that does not require large-scale power generation installation.
이러한 대체에너지를 이용한 장치로는 태양열, 조력, 파력, 풍력 및 수력 등의 자연에너지를 이용한 친환경적이며 영구적으로 에너지원을 활용할 수 있는 발전장치들이 개발되고 있다.As a device using such alternative energy, an eco-friendly and permanent power generation device using natural energy such as solar heat, tidal power, wave power, wind power, and water power has been developed.
이러한 발전장치 중 파력발전장치는 파에 의한 부유체의 병진 또는 회전 운동을 이용한 형태로, 이러한 운동에너지를 변환하여 전기에너지를 생산하는 장치이다.Among these power generators, wave power generators are devices that produce electric energy by converting such kinetic energy in the form of using the translational or rotational motion of a floating body by waves.
이와 같은 파력발전장치는 발전효율을 증가시키기 위한 다양한 방안들이 모색되고 있다.Various methods for increasing the power generation efficiency of such a wave power generation device are being sought.
본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 해수면이 상승할 때 부력체의 중앙에 형성된 수직 통로를 통하여 부력체의 상부에 형성된 파력 보존실을 통하여 물이 파력 보존실로 이동하도록 하고, 아울러 해수면이 하강할 때 부력체의 상부에 잔존하는 파력 보존실의 물의 중량에 의하여 부력체가 보다 빨리 하강하도록 하여 파력 에너지의 발전 효율을 높일 수 있는 새로운 구조의 파력 발전 장치를 제안하고자 한다.The present invention has been made to solve the problems of the prior art as described above, and when the sea level rises, water moves to the wave power preservation chamber through the vertical passage formed in the center of the buoyancy body and through the wave power preservation chamber formed on the upper part of the buoyancy body. In addition, when the sea level descends, the weight of the water in the wave power preservation room remaining on the upper part of the buoyancy body allows the buoyancy body to descend more quickly, thereby increasing the efficiency of generating wave energy. .
상기의 과제를 해결하기 위하여 본 발명은, 부력체의 상하 이동을 이용하여 발전을 수행하는 파력 발전 장치에 있어서, 상기 부력체의 중앙에는 상하방향을 따라 연장되는 수직 통로가 형성되며,상기 부력체의 상부에는 상기 수직 통로와 연통되는 파력 보존실이 형성되며, 상기 부력체의 하부에는 상기 수직 통로와 연통되는 파력 집중부가 형성되며, 상기 수직 통로에는 유체의 상부 이동시에 유로를 완전히 개방하며 유체의 하부 이동시에 유로의 일부를 닫는 유로 조절 부재가 마련되는 것을 특징으로 한다.In order to solve the above problems, the present invention, in the wave power generation device for performing power generation by using the vertical movement of the buoyancy body, a vertical passage extending along the vertical direction is formed at the center of the buoyancy body, the buoyancy body A wave power conserving chamber communicating with the vertical passage is formed in the upper portion of the buoyancy body, and a wave power concentrating portion communicating with the vertical passage is formed in the lower portion of the buoyancy body, and the vertical passage completely opens the flow path when the fluid moves upward, and the fluid flow It is characterized in that a passage control member is provided to close a part of the passage when the lower part is moved.
상기와 같이 본 발명은, 해수면이 상승할 때 부력체의 중앙에 형성된 수직 통로를 통하여 부력체의 상부에 형성된 파력 보존실을 통하여 물이 파력 보존실로 이동하도록 하고, 아울러 해수면이 하강할 때 부력체의 상부에 잔존하는 파력 보존실의 물의 중량에 의하여 부력체가 보다 빨리 하강하도록 하여 파력 에너지의 발전 효율을 높일 수 있는 새로운 구조의 파력 발전 장치를 제안하고자 한다.As described above, the present invention, when the sea level rises, through the vertical passage formed in the center of the buoyancy body through the wave power preservation chamber formed on the upper part of the buoyancy body, the water moves to the wave power preservation chamber, and also when the sea level descends, the buoyancy body We propose a wave power generation device with a new structure that can increase the generation efficiency of wave energy by allowing the buoyancy body to descend more quickly by the weight of the water in the wave power storage room remaining on the upper part of the wave power storage room.
도 1은 본 발명의 일 실시예에 의한 파력 발전 장치의 개요도,
도 2는 도 1에서 해수면이 상승할 때의 부력체의 변화를 연속적으로 표현한 도면,
도 3은 도 2의 A 부위 확대도,
도 4는 도 2의 B 부위 확대도,
도 5는 도 1에서 해수면이 하강할 때의 부력체의 변화를 연속적으로 표현한 도면,
도 6은 도 1의 상태에서 태풍시에 크레인에 의하여 부력체를 피난시킨 상태의 도면.1 is a schematic diagram of a wave power generation device according to an embodiment of the present invention;
Figure 2 is a view continuously expressing the change of the buoyancy body when the sea level rises in Figure 1;
Figure 3 is an enlarged view of the A portion of Figure 2;
4 is an enlarged view of part B of FIG. 2;
5 is a view continuously expressing the change of the buoyancy body when the sea level decreases in FIG. 1;
6 is a view of a state in which the buoyancy body is evacuated by a crane in the event of a typhoon in the state of FIG. 1;
아래에서는 첨부한 도면을 참조하여 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 본 발명의 실시예를 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다. 그리고 도면에서 본 발명을 명확하게 설명하기 위해서 설명과 관계없는 부분은 생략하였으며, 명세서 전체를 통하여 유사한 부분에 대해서는 유사한 도면 부호를 부여하였다.Hereinafter, embodiments of the present invention will be described in detail so that those skilled in the art can easily practice with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. In addition, in order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are assigned to similar parts throughout the specification.
명세서 전체에서, 어떤 부분이 어떤 구성요소를 "포함"한다고 할 때, 이는 특별히 반대되는 기재가 없는 한 다른 구성요소를 제외하는 것이 아니라 다른 구성요소를 더 포함할 수 있는 것을 의미한다.Throughout the specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated.
도 1은 본 발명의 일 실시예에 의한 파력 발전 장치의 개요도이며, 도 2는 도 1에서 해수면이 상승할 때의 부력체의 변화를 연속적으로 표현한 도면이며, 도 3은 도 2의 A 부위 확대도이며, 도 4는 도 2의 B 부위 확대도이며, 도 5는 도 1에서 해수면이 하강할 때의 부력체의 변화를 연속적으로 표현한 도면이다.1 is a schematic diagram of a wave power generating device according to an embodiment of the present invention, FIG. 2 is a view continuously expressing changes in the buoyancy body when the sea level rises in FIG. 1, and FIG. 3 is an enlarged view of area A in FIG. FIG. 4 is an enlarged view of part B of FIG. 2, and FIG. 5 is a view continuously expressing the change of the buoyancy body when the sea level in FIG. 1 is lowered.
부력체(110)가 해수면에 부유하고 있으며, 부력체(110)는 해수면의 높이에 대응하여 상하로 이동한다.The buoyancy body 110 is floating on the sea level, and the buoyancy body 110 moves up and down corresponding to the height of the sea level.
부력체(110)에는 케이블(120)이 연결되며, 부력체(110)의 상하 이동에 대응하여 케이블(120)이 이동한다.A cable 120 is connected to the buoyancy body 110, and the cable 120 moves in response to the vertical movement of the buoyancy body 110.
케이블(120)의 이동에 의하여 발전기(130)가 전력을 생산한다.The movement of the cable 120 causes the generator 130 to produce power.
본 파력 발전 장치의 상부에는 크레인(140)이 배치되어 있다.A crane 140 is disposed above the wave power generator.
도 2는 해수면 상승에 따라 부력체(110)가 함께 상승하는 상태를 도시한 것이다.2 shows a state in which the buoyancy body 110 rises together with the sea level rise.
부력체(110)의 중앙에는 상하방향을 따라 연장되는 수직 통로(111)가 형성되어 있다.At the center of the buoyancy body 110, a vertical passage 111 extending in the vertical direction is formed.
수직 통로(111)의 상부에는 파력 보존실(112)이 형성되며, 수직 통로(111)의 하부에는 파력 집중부(113)가 형성된다.The wave power preservation chamber 112 is formed in the upper part of the vertical passage 111, and the wave power concentrating part 113 is formed in the lower part of the vertical passage 111.
수직 통로(111)에는 상부로의 유체 이동시에는 유로를 완전히 개방하며, 하부로의 유체 이동시에는 유로의 일부를 닫는 유로 조절 부재(114)가 마련되어 있다.The vertical passage 111 is provided with a passage control member 114 that completely opens the passage when the fluid moves upward and closes a part of the passage when the fluid moves downward.
도 2와 같이 해수면이 상승하면 부력체(110)가 함께 상승한다.As shown in FIG. 2, when the sea level rises, the buoyancy body 110 rises together.
이때 해수면 상승으로 부력체(110)의 수직 통로(111)의 압력이 증가하면서 유로 조절 부재(114)가 열리게 된다.At this time, as the pressure of the vertical passage 111 of the buoyancy body 110 increases due to the rise in sea level, the flow control member 114 is opened.
해수는 유로 조절 부재(114)를 지나 파력 보존실(112)로 유입된다.Seawater passes through the passage control member 114 and flows into the wave power preservation chamber 112.
해수가 파력 보존실(112)로 유입된 후, 유로 조절 부재(114)는 수직 통로(111)의 일부를 닫아 해수는 파력 보존실(112)에 잔류하면서 조금씩 하부로 흘러나간다.After the seawater flows into the wave power preservation chamber 112, the passage control member 114 closes a part of the vertical passage 111 so that the seawater flows out little by little while remaining in the wave power preservation chamber 112.
도 5와 같이 해수면이 하강하면 부력체(110)와 부력체(110)의 상부의 파력 보존실(112)에 잔류하는 해수의 무게로 인하여 하강 에너지가 증대한다.As shown in FIG. 5, when the sea level descends, the descending energy increases due to the weight of the buoyancy body 110 and the seawater remaining in the wave power preservation chamber 112 above the buoyancy body 110.
부력체(110)가 하강하면서 동시에 상부의 해수가 모두 배출된다.As the buoyancy body 110 descends, all of the upper seawater is discharged.
이와 같이 도 2 및 도 5와 같은 과정을 계속 반복하게 된다.In this way, the same process as in FIGS. 2 and 5 is continuously repeated.
도 6은 태풍시에 크레인(140)에 의하여 부력체(110)를 해수면보다 높게 올려 부력체(110) 등의 파손을 방지하고 있는 상태를 도시한 것이다.6 shows a state in which the buoyancy body 110 is raised higher than sea level by the crane 140 during a typhoon to prevent damage to the buoyancy body 110 or the like.
전술한 본 발명의 설명은 예시를 위한 것이며, 본 발명이 속하는 기술분야의 통상의 지식을 가진 자는 본 발명의 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 쉽게 변형이 가능하다는 것을 이해할 수 있을 것이다. 그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것일 뿐 한정적이 아닌 것으로 이해되어야만 한다. 예를 들어, 단일형으로 설명되어 있는 각 구성 요소는 분산되어 실시될 수도 있으며, 마찬가지로 분산된 것으로 설명되어 있는 구성 요소들도 결합된 형태로 실시될 수 있다.The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.
본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구범위에 의하여 나타내어지며, 특허청구범위의 의미 및 범위 그리고 그 균등 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.The scope of the present invention is indicated by the following claims rather than the detailed description above, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be construed as being included in the scope of the present invention. do.
110 : 부력체
111 : 수직 통로
112 : 파력 보존실
113 : 파력 집중부
114 : 유로 조절 부재
120 : 케이블
130 : 발전기
140 : 크레인110: buoyancy body
111: vertical passage
112: wave power preservation room
113: wave power concentration part
114: flow control member
120: cable
130: generator
140: crane
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