WO2022203645A1 - Installation électrique houlomotrice - Google Patents

Installation électrique houlomotrice Download PDF

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Publication number
WO2022203645A1
WO2022203645A1 PCT/UA2021/000039 UA2021000039W WO2022203645A1 WO 2022203645 A1 WO2022203645 A1 WO 2022203645A1 UA 2021000039 W UA2021000039 W UA 2021000039W WO 2022203645 A1 WO2022203645 A1 WO 2022203645A1
Authority
WO
WIPO (PCT)
Prior art keywords
float
float structure
lever
power plant
motion
Prior art date
Application number
PCT/UA2021/000039
Other languages
English (en)
Russian (ru)
Inventor
Евгений Адамович ЩЕПАНОВСКИЙ
Original Assignee
Евгений Адамович ЩЕПАНОВСКИЙ
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 Евгений Адамович ЩЕПАНОВСКИЙ filed Critical Евгений Адамович ЩЕПАНОВСКИЙ
Publication of WO2022203645A1 publication Critical patent/WO2022203645A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/08—Tide or wave power plants
    • 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

Definitions

  • the invention relates to hydropower, in particular to the production of energy by converting the energy of water waves into other forms of energy.
  • a device is known (KR 20100118597 A, 11/05/2010) with floating and fixed floats that move relative to each other and transmit movement to an element that converts rotational energy into electrical energy.
  • a device for converting wave energy, consisting of a linear generator and a dynamic inertial energy storage device, having a load and elastic elements, it is assumed that the frequency of natural oscillations of the generator rotor is comparable to the characteristic oscillation frequency of a float in water .
  • a device is known (US2004 / 251692 A1, 12/16/2004), consisting of a float, a linear generator rotor and a stator with turns of an electric winding, which is attached to the seabed, and two hydraulic cylinders of different diameters are coaxially located between the float and the generator.
  • the disadvantages of all these installations include low efficiency due to the impossibility of using large float elements. Also, the complex conversion of wave energy into electricity provided by such designs leads to a significant complication and rise in price of such power plants.
  • the movement conversion mechanism is connected to the electric power generator.
  • the invention is based on the task of increasing the efficiency of the wave power plant by creating the possibility to change the front of the working surface of the float structure, depending on the power of the wave energy.
  • the float structure contains a float element fixed on the consoles, a rigid connecting element is placed between the consoles, to which the inner ends of the consoles are hinged at both ends, an orienting keel is rigidly attached to the central part of the connecting element, the motion transmission lever is made of two parts, the ends of which are pivotally connected to each other , the other end of one part of the lever is connected to the central part of the rigid connecting element through a bearing connection, the other end of the second part of the lever is connected to the motion conversion mechanism, and the middle part of the second part of the lever rests on a stationary support, and the float structure is equipped with a pumping mechanism for inflat
  • the float element can be made in the form of a pair of floats, each of which is placed on the corresponding console.
  • the consoles of the float structure can be made in the form of two beams, on which the fender liner is fixed, covering the upper part of the float element.
  • the float structure is equipped with water disturbance measurement sensors connected to the automatic control mechanism of the device for folding the float structure and the pumping mechanism.
  • the device for folding the float structure can be made in the form of a winch located on a stationary surface, connected to the keel of the float structure.
  • the mechanism for converting reciprocating motion into rotational motion can be made in the form of a rack and pinion.
  • the proposed design provides for the possibility of folding the floats in cases where strong winds, storms, or other adverse weather conditions threaten to damage the floats. This allows you to create structures with a large working surface of the floats without the threat of their breakage, and thus increase the efficiency of wave power plants.
  • FIG. 1 shows the proposed wave power plant (top view).
  • FIG. 2 shows the float structure in working condition (top view).
  • FIG. 3 shows the float structure in a collapsed state (top view).
  • FIG. 4 shows the proposed installation (side view), which shows two options for the location of the float structure: in working and submerged states.
  • the proposed wave power plant contains a float structure 1, a stationary support 2, a mechanism for converting reciprocating motion into rotational 3, a reciprocating motion transmission lever 4.
  • the drawings show an installation where the role of a stationary surface for support 2 is performed by the coast.
  • the stationary surface for the support 2 can also serve as a barge, or another vessel that is not permanently connected to the shore.
  • Float structure 1 contains a float element, which can have different designs.
  • the drawings show an embodiment of the float element in the form of one pair of inflatable floats 5, fixed on the consoles 6. Between the consoles 6 is placed hard connecting element 7, to which the inner ends of the consoles 6 are connected at both ends with the help of hinged-spring connections 8.
  • An orienting keel 9 is rigidly attached to the central part of the connecting element 7, the end of which is connected to a device 10 located on a stationary surface for folding the float structure (for example , with a winch).
  • the float element can be one long float fixed on two consoles, or several pairs of float elements, and, accordingly, several pairs of consoles are provided.
  • the motion transmission lever 4 is made of two parts 11, 12, the ends of which are connected to each other by a hinge-spring connection 13.
  • the other end of part 11 of the lever 4 is connected to the central part of the rigid connecting element 7 through the bearing connection 14, the other end of the part 12 of the lever by a motion conversion mechanism 3, and the middle portion of the arm portion 12 rests on the stationary support 2.
  • the lever part 12 may be composed of several elements rigidly attached to each other, which ensures that the parts 11 , 12 are located at the locations adjacent to the connection 13 in line on the water surface.
  • the float structure 1 is equipped with a pumping mechanism 15 for inflating and deflating the floats 5, which is connected to the floats 5 by a hose system 16.
  • the float structure is equipped with a water disturbance measurement sensor 17 connected to the automatic control mechanism 18 of the device 10 and to the pumping mechanism 15, as well as a pressure control sensor 19 located under the lever 4.
  • a support 20 is installed at the bottom to rest the float structure on it when immersed.
  • the consoles of the float structure can be made in the form of beams, on which the fender liner is fixed, covering the upper part of the inflatable floats.
  • the floats are made in the form of inflatable balloons, the dimensions and shape of which are optimal for removing energy from the characteristic wave of a particular coast, and the transverse size of the float should provide the maximum range of reciprocating motion for the wave cycle of this region, and the length of the float is determined depending on the length and shape of the waves region.
  • the addition of several standard modules with additional pairs of floats can be provided.
  • the device for folding the float structure 10 can be made in the form of a winch, and the mechanism for converting reciprocating motion into rotational 3 can be made in the form of a rack and pinion. Other embodiments of these devices are also possible.
  • the proposed wave power plant works as follows.
  • the inflated floats 5 oscillate on the waves, occupying an optimal position with respect to the direction of the waves due to the turns of the keel 9.
  • the reciprocating movement of the floats 5 through the lever 4 is transmitted to the motion conversion mechanism 3, and through the transmission transmits torque to the generator electricity.
  • the lever 4 acquires excessive movement and presses on the sensor 19, which turns on the control mechanism 18.
  • air is bled from the floats 5.
  • the lowered floats 5 are placed in the fender liner and do not create resistance to waves.
  • the distance from the floats 5 to the support 2 and the distance from the support 2 to the movement conversion mechanism 3 depends on the terrain, the energy power of the waves and the specific conditions for using the wave power plant.
  • a modular design of the lever is provided, as a result of which it is possible to manufacture levers of the required length on both sides of the support.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention concerne une installation électrique houlomotrice comprenant une structure de flotteurs (1) disposée à la surface de l'eau de manière à effectuer un mouvement de va-et-vient sur les vagues, un support stationnaire (2) et un mécanisme de conversion du mouvement de va-et-vient en mouvement rotatif (3) qui sont disposés sur une surface stationnaire, un levier (4) de transmission du mouvement de va-et-vient depuis la structure de flotteurs (1) vers le mécanisme de conversion de mouvement (3). La structure de flotteurs (1) comprend un élément flotteur (5) fixé sur des consoles (6); entre les consoles (6) se trouve un élément de connexion rigide (7) aux deux extrémités duquel les extrémités internes des consoles (6) sont fixées de manière articulée; une dérive directionnelle (9) est fixée rigidement à la partie centrale de l'élément de connexion (7), et le levier (4) de transmission de mouvement se compose de deux parties (11, 12) dont les extrémités sont connectées de manière articulée entre elles; la seconde extrémité de la partie (11) du levier (4) est connectée à la partie centrale de l'élément de connexion rigide (7) via une connexion à roulement (14), tandis que la seconde extrémité de la partie (12) du levier (4) est connectée au mécanisme de conversion de mouvement (3); la partie (12) du levier (4) repose sur la support stationnaire (2). La structure de flotteurs (1) comporte un mécanisme de pompage (15) fin de gonfler-dégonfler l'élément flotteur, et un mécanisme (10) de repliement de la structure de flotteurs.
PCT/UA2021/000039 2021-03-22 2021-04-19 Installation électrique houlomotrice WO2022203645A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
UAA202101422 2021-03-22
UAA202101422 2021-03-22

Publications (1)

Publication Number Publication Date
WO2022203645A1 true WO2022203645A1 (fr) 2022-09-29

Family

ID=83396010

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/UA2021/000039 WO2022203645A1 (fr) 2021-03-22 2021-04-19 Installation électrique houlomotrice

Country Status (1)

Country Link
WO (1) WO2022203645A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918261A (en) * 1974-04-10 1975-11-11 Vernon Bailey Wave and tide motor
US5921082A (en) * 1995-08-23 1999-07-13 Berling; James T. Magnetically powered hydro-buoyant electric power generating plant
CN101906770A (zh) * 2010-06-29 2010-12-08 黄仲乾 潮汐海浪势能发电站动力传动系统
US20120104761A1 (en) * 2010-10-29 2012-05-03 Vassilios Vamvas Ocean wave energy converter and method of power generation
CN110056471A (zh) * 2019-04-11 2019-07-26 秦春明 潮汐能发电系统及其控制方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918261A (en) * 1974-04-10 1975-11-11 Vernon Bailey Wave and tide motor
US5921082A (en) * 1995-08-23 1999-07-13 Berling; James T. Magnetically powered hydro-buoyant electric power generating plant
CN101906770A (zh) * 2010-06-29 2010-12-08 黄仲乾 潮汐海浪势能发电站动力传动系统
US20120104761A1 (en) * 2010-10-29 2012-05-03 Vassilios Vamvas Ocean wave energy converter and method of power generation
CN110056471A (zh) * 2019-04-11 2019-07-26 秦春明 潮汐能发电系统及其控制方法

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