WO2015133660A1 - Dispositif de commande de la position d'une structure maritime - Google Patents

Dispositif de commande de la position d'une structure maritime Download PDF

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Publication number
WO2015133660A1
WO2015133660A1 PCT/KR2014/001780 KR2014001780W WO2015133660A1 WO 2015133660 A1 WO2015133660 A1 WO 2015133660A1 KR 2014001780 W KR2014001780 W KR 2014001780W WO 2015133660 A1 WO2015133660 A1 WO 2015133660A1
Authority
WO
WIPO (PCT)
Prior art keywords
foil
position control
elastic body
coupled
offshore
Prior art date
Application number
PCT/KR2014/001780
Other languages
English (en)
Korean (ko)
Inventor
신현경
김동주
Original Assignee
울산대학교 산학협력단
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 울산대학교 산학협력단 filed Critical 울산대학교 산학협력단
Priority to PCT/KR2014/001780 priority Critical patent/WO2015133660A1/fr
Publication of WO2015133660A1 publication Critical patent/WO2015133660A1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B63B2039/067—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water effecting motion dampening by means of fixed or movable resistance bodies, e.g. by bilge keels
    • 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 position control apparatus for an offshore structure, and more specifically, to a position control apparatus for an offshore structure capable of controlling the position of an offshore structure floating on the sea surface according to the marine environment or conditions.
  • marine structures can be moored floating above sea level, and are classified into various types according to their function, structure, and mooring method.
  • offshore structures have many types, including semi-submersible (SEM), tensioned leg platform (TLP), SPAR, floating, production, storage and off-loding (FPSO), FSRU, or drilling rigs.
  • SEM semi-submersible
  • TLP tensioned leg platform
  • SPAR floating
  • production production
  • storage and off-loding FPSO
  • FSRU floating
  • drilling rigs There is a marine structure.
  • This offshore structures can be used while mooring by one point moorings such as turrets or yoke moorings.
  • This one-point mooring method is a mooring method applied to a floating structure operating in a sea area where the direction of environmental external force such as wind, tidal current, and blue wave changes frequently.
  • Offshore structures are subject to various external forces, depending on the external environment.
  • Examples of the external force applied from the outside include wind, tidal currents and waves (waves), and the marine structure in the mooring state stabilizes the bow angle naturally in a direction in which various external forces are minimized from the outside.
  • the wave acts on the side of the hull instead of the front of the hull with the bow angle stabilized. May occur. At this time, if the crest is high, the movement of the hull, in particular, the roll motion of the hull swinging from side to side becomes large.
  • sloshing refers to a phenomenon in which a liquid substance contained in a storage tank flows when a floating body such as a ship moves in various sea conditions, and the wall surface of the storage tank is severely impacted by sloshing.
  • the mooring method as described above is possible in a deep depth, but there is a problem that cannot be applied in a low depth.
  • an object of the present invention is to provide a position control apparatus for an offshore structure capable of controlling the position of the offshore structure according to the offshore environment or conditions.
  • an object of the present invention is to provide a position control apparatus for an offshore structure that can control the position of an offshore structure even in a low water depth.
  • the position control device in the position control device installed in the offshore structure that can be moored in the ocean to control the position of the offshore structure, the position control device is
  • the support frame is provided spaced apart at regular intervals along the circumferential direction of the offshore structure, an elastic body having one end coupled to the inner side of the support frame, and the foil is one end is coupled to the other end of the elastic body to provide a position control device for the structure.
  • a connection bar is provided along a length direction of the elastic member at a predetermined position in the width direction of the elastic body.
  • Power generation means coupled to one end of the connection bar is provided at one side longitudinally predetermined position of the support frame, and driving means coupled to the other end of the connection bar is provided at the other predetermined lengthwise position. Is driven by receiving the power generated from the power generating means.
  • a plurality of protrusions are formed along the longitudinal direction of the foil on the top and bottom surfaces of the foil.
  • a plurality of dimples or protrusions are formed at edges of the upper and lower surfaces of the foil along the longitudinal direction of the foil.
  • FIG. 1 is a perspective view of an offshore structure according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a position control apparatus according to an embodiment of the present invention.
  • FIG. 3 is a perspective view of the foil shown in FIG.
  • FIG. 4 is a perspective view schematically showing the power generation means shown in FIG.
  • FIG. 5 is a perspective view schematically showing the driving means shown in FIG. 2; FIG.
  • FIGS. 4 and 5 are perspective views schematically showing the internal configuration of the gearbox shown in FIGS. 4 and 5.
  • FIG. 1 is a perspective view of a marine structure according to an embodiment of the present invention
  • Figure 2 is a perspective view of a position control apparatus according to an embodiment of the present invention
  • Figure 3 is a perspective view of the foil shown in Figure 2
  • Figure 4 is Figure 2 5 is a perspective view schematically showing the driving means shown in FIG. 2
  • FIG. 6 schematically shows an internal configuration of the gearbox shown in FIGS. 4 and 5. It is a perspective view.
  • the position control apparatus 10 of the marine structure is installed in the marine structure (1) that can be moored in the ocean, the support frame 12, the elastic body ( 14), comprising a foil (16).
  • Support frame 12 is formed in a rectangular shape by combining a plurality of frames, a plurality of spaced apart a predetermined interval along the circumferential direction of the marine structure (1) is installed.
  • the power generating means 20 is provided at one side longitudinally predetermined position of the support frame 12, the drive means 30 is provided at the other predetermined position in the longitudinal direction of the other side, the driving means 30 is the power generating means
  • the foil generated from 20 is supplied to drive the foil 16 to be described later.
  • the power generating means 20 is coupled to the gearbox 22 coupled to one end of the connection bar 14a provided in the elastic body 14, one side of which will be described later, and the rotating shaft 22a provided in the gearbox 22. It is composed of a generator 24 for producing electric power by using the rotational force of the rotary shaft (22a).
  • the gear box 22 is preferably made of a structure in which the foil 16, which will be described later, can convert the vertical motion into the rotary motion by the waves.
  • one end of the gearbox 22 is coupled to the rotating shaft 22a and the other end of the crankshaft 26 having the flywheel 26a, and one end of the flywheel 26a and the other end of the elastic body 14.
  • Link member 28 coupled to the connection bar (14a) provided in the is provided.
  • the connecting bar 14a provided in the elastic body 14 is formed on one side of the gear box 22.
  • the link member 28 having the other end coupled to the connecting bar 14a rotates the flywheel 26a to rotate the rotating shaft 22a.
  • the generator 24 is driven by the rotational force of the rotating shaft 22a to produce power.
  • the driving means 30 is a foil when the position of the marine structure 1 is not controlled by the kinetic energy generated from the foil 16 to be described later, when the marine environment or conditions are deteriorated and the wind or the wave (blue) is severe. It serves to force (16).
  • the position of the marine structure 1 is controlled by receiving a position from a GPS (not shown) provided in the marine structure (1).
  • the driving means 30 has a gear box 32 coupled to the other end of the connecting bar 14a provided at the elastic body 14, which is described later, and a rotation shaft 32a provided at the gear box 32. Combination of the reduction gear box 34, and the drive motor 39 is connected to the reduction gear box (34).
  • gearbox 32 is made of the same configuration as the gearbox 22 of the power generation means 20 described above, a detailed description thereof will be omitted.
  • the clutch means 33 is provided at a predetermined position of the rotation shaft 32a to selectively block the transmission of power.
  • Operation of the driving means 30 having the configuration as described above is driven when the driving motor 39 is supplied with power from the power generating means 20, the rotation shaft 32a provided in the gear box 32 is rotated When the rotation shaft 32a rotates, one end is coupled to the rotation shaft 32a, and the other end thereof is coupled to the flywheel 36a so that the crank shaft 36 with the flywheel 36a provided on the other end rotates.
  • the link member 38 coupled to the connecting bar 14a provided in the elastic body 14 is operated.
  • the connecting bar 14a moves up and down along the guide groove 32b formed on one side of the gear box 32 in association with the operation of the link member 38.
  • the connecting bar 14a is vertically rotated, the elastic body 14 and the foil 16 coupled to the elastic body 14 are also vertically rotated together.
  • One end of the elastic body 14 is coupled to an inner side of the support frame 12, and a connection bar 14a is provided along a length direction of the elastic body 14 at a predetermined position in the width direction of the elastic body 14.
  • the foil 16 has a plane wing cross-sectional shape and is coupled to the other end of the elastic body 14.
  • the foil 16 generates the kinetic energy in a direction opposite to the direction in which the wave kinetic energy acts.
  • the foil 16 since the foil 16 generates the kinetic energy by the rotational movement under the influence of the wave, the position of the offshore structure 1 is not changed by the wave.
  • a plurality of protrusions 16a may be formed along the longitudinal direction of the foil 16 on the upper and lower surfaces of the foil 16, which are turbulent on the surface of the foil 16. To generate propulsion and lift. That is, the kinetic energy generated when the foil 16 rotates under the influence of the wave increases.
  • a plurality of dimples 16b or protrusions are formed at edges of the upper and lower surfaces of the foil 16, that is, at positions adjacent to the plurality of protrusions 16a described above along the longitudinal direction of the foil 16. It is also possible to form a.
  • the dimples 16b or projections are applied over the entire upper and lower surfaces of the foil 16. It is also possible to form a).
  • the position control apparatus of the marine structure can control the position of the marine structure according to the marine environment or conditions, there is an effect that can control the position of the marine structure even in a low water depth. .

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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

La présente invention concerne un dispositif de commande de la position d'une structure maritime, et un dispositif de commande de position selon la présente invention est installé sur une structure maritime, qui peut être amarrée offshore, et commande la position de la structure maritime, le dispositif de commande de position étant caractérisé par le fait qu'il comprend : des châssis de support agencés le long de la direction circonférentielle de la structure maritime à un intervalle prédéterminé ; des corps élastiques ayant une extrémité accouplée respectivement à un côté de l'intérieur des châssis de support ; et des ailes portantes ayant une extrémité accouplée respectivement à l'autre extrémité des corps élastiques.
PCT/KR2014/001780 2014-03-04 2014-03-04 Dispositif de commande de la position d'une structure maritime WO2015133660A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/001780 WO2015133660A1 (fr) 2014-03-04 2014-03-04 Dispositif de commande de la position d'une structure maritime

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/001780 WO2015133660A1 (fr) 2014-03-04 2014-03-04 Dispositif de commande de la position d'une structure maritime

Publications (1)

Publication Number Publication Date
WO2015133660A1 true WO2015133660A1 (fr) 2015-09-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/001780 WO2015133660A1 (fr) 2014-03-04 2014-03-04 Dispositif de commande de la position d'une structure maritime

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WO (1) WO2015133660A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100107994A (ko) * 2009-03-27 2010-10-06 삼성중공업 주식회사 부유식 시추선
KR20110021086A (ko) * 2009-08-25 2011-03-04 조창휘 파랑발전기
KR20110024137A (ko) * 2009-09-01 2011-03-09 삼성중공업 주식회사 부유식 ｌｎｇ 저장선
KR20110067811A (ko) * 2009-12-15 2011-06-22 이용식 거미형파력발전기
KR20130098779A (ko) * 2012-02-28 2013-09-05 울산대학교 산학협력단 부유식 해양 플랜트

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100107994A (ko) * 2009-03-27 2010-10-06 삼성중공업 주식회사 부유식 시추선
KR20110021086A (ko) * 2009-08-25 2011-03-04 조창휘 파랑발전기
KR20110024137A (ko) * 2009-09-01 2011-03-09 삼성중공업 주식회사 부유식 ｌｎｇ 저장선
KR20110067811A (ko) * 2009-12-15 2011-06-22 이용식 거미형파력발전기
KR20130098779A (ko) * 2012-02-28 2013-09-05 울산대학교 산학협력단 부유식 해양 플랜트

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