WO2011062401A2 - Dispositif de conversion de l'énergie des vagues - Google Patents

Dispositif de conversion de l'énergie des vagues Download PDF

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Publication number
WO2011062401A2
WO2011062401A2 PCT/KR2010/008049 KR2010008049W WO2011062401A2 WO 2011062401 A2 WO2011062401 A2 WO 2011062401A2 KR 2010008049 W KR2010008049 W KR 2010008049W WO 2011062401 A2 WO2011062401 A2 WO 2011062401A2
Authority
WO
WIPO (PCT)
Prior art keywords
power converter
buoyancy
wave
buoyancy means
wave power
Prior art date
Application number
PCT/KR2010/008049
Other languages
English (en)
Korean (ko)
Other versions
WO2011062401A3 (fr
Inventor
김종철
Original Assignee
Kim Jongchul
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 Kim Jongchul filed Critical Kim Jongchul
Publication of WO2011062401A2 publication Critical patent/WO2011062401A2/fr
Publication of WO2011062401A3 publication Critical patent/WO2011062401A3/fr

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Classifications

    • 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"
    • F03B13/20—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" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
    • 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
    • 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
    • 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
    • F03B13/148—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 static pressure increase due to the wave
    • 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
    • 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
    • F03B17/00—Other machines or engines
    • F03B17/02—Other machines or engines using hydrostatic thrust
    • 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
    • Y02E10/20—Hydro energy
    • 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

Definitions

  • the present invention relates to a power converter for converting the up and down oscillation kinetic energy of a liquid into a flow of a pressurized fluid pressurized gas or liquid, or by using a linear generator or a rotary generator.
  • the principle of wave power converter is that when a wave is forcedly vibrated against the power converter, vibration occurs in the power converter, and the power converter converts the vibration energy into the form of energy we need (electricity, pressurized fluid). , Mechanical kinetic energy, etc.).
  • the vibration in the machine is troublesome, shorten the life of the machine and cause failure, especially avoid the resonance phenomenon extremely.
  • a buoyancy force is a force acting in a direction opposite to gravity by the weight of the (peripheral) fluid, which is partially or entirely buoyant means submerged in the surrounding fluid.
  • Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.
  • the buoyancy increases as the buoyancy means increases.
  • the vibration energy does not increase because the buoyancy means increases.
  • the natural frequency is If the buoyancy means is cylinder D, the natural frequency is to be. It is a circular cylinder that is blocked at the top and bottom and partly exposed on the surface of the water. It is a stable system because the spring always restrains the movement of the power converter. If we want to induce resonance in this stable system, the natural frequency of the wave power converter is the frequency of the wave. Should be equal to
  • wave power converters generally use air springs, magnetic springs, etc. to change the elastic modulus, or to subtract seawater in buoyancy means to change mass.
  • these methods have little change amount and are slow to change, so they cannot cope with the changing speed of the wave.
  • the device is complicated and the energy production rate is low compared to the increase of initial and maintenance costs.
  • Wave power converter of the present invention is composed of at least one buoyancy means, power converter, support means, and connecting means connecting them.
  • the supporting means can be laid on the bottom of the sea to lay the foundation, or in places where it is difficult to construct, the weight or anchor can be dropped from the sea to locate the buoyancy means and supporting means while using relatively light weights.
  • a drag plate can be added to induce a large relative movement between them.
  • the drag plate may be made of rigid material, but it is preferable to use a cloth such as a parachute to reduce costs.
  • Fig. 1 is a wave power converter in which a part of the buoyancy means (3) is exposed on the surface of the support means consisting of the anchor (1-1) and the drag plate ( 1-2) , and the power converter is located in the buoyancy means. Suitable for the same small system.
  • Figure 2 is a small isometric system as shown in Figure 1, but the concept of applying the concept of the present invention, which is almost the same as the components of the prior art, but dynamically unstable system even with a slight change in the use of the attachment position or technology elements. As a result, it is shown to cause resonance for almost all waves.
  • the power converter converts up and down reciprocating motion, that is, vibration into energy-friendly form, and consists of a cylinder, a one-way check valve, and a piston to pressurize the surrounding fluid, that is, the seawater reservoir on the high land. It may be stored and hydro-powered if necessary, or electricity may be directly produced by a linear generator driven by a direct drive or by a rotary generator geared with hung in a hydro turbine driven by pressurized seawater. A simpler flexible hose and hose pump with a one-way check valve is also available to create pressurized fluid.
  • the buoyancy means In order to increase energy productivity, the buoyancy means must first absorb as much of the vibrational energy of the waves as possible.
  • the buoyancy force should be increased in proportion to the volume and the buoyancy means in the direction of wave propagation should be one length (wavelength of wave) divided by (2 ⁇ ) for the vibration energy, but there is no restriction on the width.
  • the canopy material uses a flexible fiber or tent cloth and can be adjusted in length by adjusting the pressure of the working fluid to air tubes, hydraulic cylinders, air bellows and the like to adjust the length.
  • telescopic arms driven by electric servomotors are also available.
  • the posture control means is provided with the buoyancy means so that the width of the buoyancy means is always perpendicular to the direction of wave propagation.
  • Posture control means use propellers, screws, compressed air jets or propellers used in ships or submersibles. Observation of the period, amplitude, wavelength, etc. of the wave uses the measured value of the wave at close range as not affected by the wave power converter.
  • the buoyancy means In order for the buoyancy means to have the width of the buoyancy means perpendicular to the direction of wave propagation, the shape of the buoyancy means has a concave shape with respect to the wave advancing direction.
  • the buoyancy means After the buoyancy means receives the vibrational energy of the wave as much as possible, in order to produce a large amount of energy of the desired form, the resonance must be made at a wide range of wave frequencies to be a wave power converter.
  • the following vibration equation is the case where all buoyancy means are submerged in a general spring system (prior art).
  • the buoyancy means is open at the bottom of the rigid body so that the water occupies freely and changes the volume occupied by the air, or the buoyancy means body is soft even though it is sealed like an air bag. The volume can change, and the whole buoyancy means is submerged in seawater.
  • the method of making the constant for displacement x completely negative causes the prior art spring to be eliminated.
  • resonance does not occur even if the natural frequency is not set to the wave frequency.
  • the amplitude of the generated vibration is larger than the original wave amplitude, so there is a fear of moving out of the operating range of the wave power converter, and the resonance may be shifted due to the delay in operation. Therefore, a spring or elastic stopper or latch is placed at the top dead center and bottom dead center of the power converter as a means of controlling it.
  • the elastic bumper and the spring may be attached to the driver of the piston or the linear generator, but unlike the prior art, the motion of the motion is constrained, i.e., the motion energy is converted into elastic energy, and then restrained only near the dead points. Convert it to energy and return it to the exerciser.
  • the phase control is possible by adjusting the distance between the dead points according to the change of the wave.
  • the characteristic of the resonance is that the amplitude of vibration generated is much larger than the original vibration amplitude, and the phase difference between the two vibrations is 0 ° or 180 °, and the phase difference can always be 0 ° or 180 ° by adjusting the distance between the two dead points of the power converter. .
  • resonance occurs for waves of almost all frequencies.
  • buoyancy means In order to increase the viability of machinery in the sea, it is preferable to keep only the buoyancy means near the water surface and the rest near the bottom of the sea. For waves in the range that the buoyancy means can handle, operate near the surface of the water, but for waves above the limit, evacuate the buoyancy means near the bottom of the sea.
  • the connecting means is provided with a length adjusting means, such as a squeeze or winch to adjust the length.
  • Fig. 2 A concept diagram of a small-segment system using some of the concepts of the present invention, which is similar to the prior art elements, but shows that it can cause resonance for almost all frequencies.
  • FIG. 4 The buoyancy means of the wave power converter can be made larger, instead of the active posture control means.
  • Conceptual drawing of the passive posture buoyancy means structure which is passive and always keeps the width of buoyancy means perpendicular to the direction of wave travel
  • Figure 3 shows a large energy production system that takes advantage of the present invention.
  • the power converter consists of a linear generator, in which the springs (6) are attached to a stopper (8) which is adjustable in length or position in order to adjust the top dead center and the bottom dead center.
  • the buoyancy means (3) consists of an air bag and has a discharge port (9) for releasing the air of the buoyancy means (3) in order to speed up the descending speed of the extreme wave evacuation of the buoyancy means.
  • the air supply hose 10 is provided to lift the buoyancy means again.
  • the air tank used for scuba diving is filled from 200 atm to 250 atm. The use of such compressed air tanks is inexpensive.
  • Figure 4 is a large buoyancy means to adjust the wave traveling direction length of the buoyancy means, and always canoe blood 15 in that the air pocket to be of buoyancy means to the wave traveling direction the width lies in a vertical polyurethane cloth or waterproof
  • This is a conceptual view of the sea from the top, using nylon or deckon.
  • buoyancy means has a convex width in the direction of wave propagation so that the buoyancy means is always perpendicular to the direction of wave travel.
  • the vane 16 or oar, quarter rudder was attached.

Landscapes

  • 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

On peut trouver des vagues uniquement dans la mer, mais elles sont néanmoins la forme la plus attractive de toutes les formes d'énergie renouvelable (soleil, vent, eau, marée, vagues et géothermie). Toutefois, des caractéristiques de vibration n'ont pas été bien comprises jusqu'à présent. La technologie selon l'invention améliore la productivité et la longévité, et ouvre la voie à l'utilisation sans contrainte de l'énergie des vagues au moyen d'une légère modification des défauts de l'état de la technique en termes de production d'énergie à l'aide de l'énergie des vagues.
PCT/KR2010/008049 2009-11-18 2010-11-15 Dispositif de conversion de l'énergie des vagues WO2011062401A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090111734A KR101076080B1 (ko) 2009-11-18 2009-11-18 파도동력변환장치
KR10-2009-0111734 2009-11-18

Publications (2)

Publication Number Publication Date
WO2011062401A2 true WO2011062401A2 (fr) 2011-05-26
WO2011062401A3 WO2011062401A3 (fr) 2011-11-17

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WO (1) WO2011062401A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101280522B1 (ko) * 2011-06-23 2013-07-01 삼성중공업 주식회사 공진을 이용한 양력면형 조류발전기
CN103899472B (zh) * 2014-03-24 2016-05-04 华南理工大学 一种漂浮式微型海浪发电装置及方法
KR101691006B1 (ko) 2014-11-14 2016-12-29 삼성중공업 주식회사 파고차 펌프
CN109236545B (zh) * 2018-10-22 2020-05-05 杭州电子科技大学 一种波浪能发电装置及其发电方法
KR102395068B1 (ko) * 2018-12-31 2022-05-09 한양대학교 산학협력단 전력 생산 모듈, 및 전력 생산 방법
CN111089034A (zh) * 2020-01-08 2020-05-01 深圳大学 发电平台
CN112128046A (zh) * 2020-09-24 2020-12-25 南昌大学 一种波浪能发电装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003058054A1 (fr) * 2002-01-08 2003-07-17 Swedish Seabased Energy Ab Unite et centrale d'energie houlomotrice destinees a la production d'energie electrique, ainsi que procede permetttant de generer de l'energie electrique
WO2003058055A1 (fr) * 2002-01-10 2003-07-17 Swedish Seabased Energy Ab Unite houlomotrice et utilisation d'une unite houlomotrice pour la production d'energie electrique, procede de generation d'energie electrique et systeme constitue de composants permettant de fabriquer un generateur lineaire destine a une unite houlomotrice
WO2008130295A1 (fr) * 2007-04-18 2008-10-30 Seabased Ab Unité houlomotrice, bouée, utilisation d'une unité houlomotrice et procédé de production d'énergie électrique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003058054A1 (fr) * 2002-01-08 2003-07-17 Swedish Seabased Energy Ab Unite et centrale d'energie houlomotrice destinees a la production d'energie electrique, ainsi que procede permetttant de generer de l'energie electrique
WO2003058055A1 (fr) * 2002-01-10 2003-07-17 Swedish Seabased Energy Ab Unite houlomotrice et utilisation d'une unite houlomotrice pour la production d'energie electrique, procede de generation d'energie electrique et systeme constitue de composants permettant de fabriquer un generateur lineaire destine a une unite houlomotrice
WO2008130295A1 (fr) * 2007-04-18 2008-10-30 Seabased Ab Unité houlomotrice, bouée, utilisation d'une unité houlomotrice et procédé de production d'énergie électrique

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Publication number Publication date
KR101076080B1 (ko) 2011-10-21
KR20110054919A (ko) 2011-05-25
WO2011062401A3 (fr) 2011-11-17

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