WO2012157839A1 - Dispositif de production d'énergie houlomotrice - Google Patents

Dispositif de production d'énergie houlomotrice Download PDF

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Publication number
WO2012157839A1
WO2012157839A1 PCT/KR2012/001106 KR2012001106W WO2012157839A1 WO 2012157839 A1 WO2012157839 A1 WO 2012157839A1 KR 2012001106 W KR2012001106 W KR 2012001106W WO 2012157839 A1 WO2012157839 A1 WO 2012157839A1
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WIPO (PCT)
Prior art keywords
generator
truss
fixed
motor
power generation
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Ceased
Application number
PCT/KR2012/001106
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English (en)
Korean (ko)
Inventor
이명훈
이승철
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Individual
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Publication of WO2012157839A1 publication Critical patent/WO2012157839A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • F03B13/22—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 flow of water resulting from wave movements to drive a motor or turbine
    • 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
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
    • F03B17/063—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having no movement relative to the rotor during its rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/40—Use of a multiplicity of similar components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/50—Inlet or outlet
    • F05B2250/501—Inlet
    • F05B2250/5011—Inlet augmenting, i.e. with intercepting fluid flow cross sectional area greater than the rest of the machine behind the inlet
    • 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 wave power generation device, and more specifically, the generation height of the generator in accordance with the height of the surface of the generator while interlocking the direction of the inlet inflow of the seawater in accordance with the direction of the wave so that the power generation is made stable
  • the present invention relates to a wave power generation device that enables economical construction and maintenance while providing a simpler configuration while improving power generation efficiency.
  • power generation mainly uses hydroelectric power generation using hydroelectric power, thermal power generation using fossil fuel, and nuclear power generation using nuclear power.
  • This type of power generation has a problem of exhaustion of resources because of restrictions on the installation site or dependence on fossil fuels for energy, especially in the case of nuclear power, there is a serious risk of radioactive leakage.
  • hydroelectric power usually forms a dam by blocking the river and generates power by the water pressure when the water is discharged through the dam. Therefore, power generation facilities are mainly provided through large-scale civil works in rivers or rivers. Therefore, not only is the installation cost excessive, but there are many natural damages and a limited amount of power generation.
  • the present invention is to improve the above problems, the present invention has a main object to provide a wave power generation device that can be made stable generation by the pressure of the strong waves while rising along the sea level.
  • the present invention is to provide a wave power generation device to prevent the damage or damage of the generator caused by a typhoon by changing the direction of the induction pipe inlet of the generator funnel.
  • the base is provided at a constant height from the bottom in the water and formed at regular intervals on the same line;
  • a pillar which is provided at a predetermined height at the upper end of the foundation and forms an elevation guide groove at a predetermined height so as to be recessed inward in a surface facing each other at an upper portion of the adjacent foundation;
  • a plurality of rods are provided in parallel in the horizontal direction, and the rods are connected at both ends with a plurality of connectors therebetween to have a predetermined gap, and the connectors at both ends are inserted into the lifting guide grooves of the column to enable lifting.
  • a truss elevating drive unit fixed to an upper end surface of the column so as to wind or unwind cables to bobbins on both sides by driving the truss elevating motor to elevate and connect the connector ends of the trusses to which the cable ends are coupled;
  • the fixed frame is assembled and fixed to each rod at the same time between the connector of the truss and the motor housing to which the fixed frame is integrally connected to the outer circumferential surface while the generator rotation motor is fixed therein, rotatable to the upper end of the motor housing
  • a generator rotation drive unit configured to integrally couple an internal gear gear coupled to an inner circumferential surface of the bearing to be fixed so as to be inscribed on one side of the drive gear fixed to the drive shaft of the generator rotation motor;
  • the lower end is connected to the upper surface of the inner ring of the bearing to be fixed to the upper end of the motor housing, and the inner diameter is gradually reduced from the inlet to the outlet of the lower outlet through a funnel-shaped
  • a controller attached to the generator to control the driving of the truss elevating motor of the truss elevating driving unit by a signal transmitted from a sensor for detecting a surface height, so that waves are introduced through the induction pipe of the generator. It is a configuration to make it possible.
  • the outer ring of the bearing in the generator rotary drive unit is to be bolted coupled while the upper end of the motor housing is in close contact by the sealing, the inner ring of the bearing is in close contact with the lower end of the generator body by sealing Allow bolting to be engaged.
  • the controller is connected to at least one side of the truss elevating motor to control the driving of the plurality of truss elevating motors.
  • the wave power generating device of the present invention allows the power generation to be stably performed by the wave force flowing while the truss is raised so that the induction pipe is positioned as the height of the wave flow.
  • FIG. 1 is an exploded perspective view illustrating a wave power generation apparatus according to the present invention
  • FIG. 2 is a perspective view of the combined wave power generator according to the present invention.
  • FIG. 3 is a plan view of a wave power generating apparatus according to the present invention.
  • Figure 4 is a side cross-sectional view illustrating a generator rotational drive of the wave power generator according to the present invention
  • FIG. 5 is a cross-sectional view illustrating a generator of the wave power generator according to the present invention
  • FIG. 6 is a perspective view illustrating an installation structure of a wave power generator according to the present invention.
  • Figure 7 is a side cross-sectional view illustrating a state of use to which the wave power generator of the present invention is applied.
  • FIG. 8 is a perspective view illustrating a state in which the truss is raised to rotate the generator of the wave power generator according to the present invention
  • FIG. 9 is a plan view showing a state of rotating the generator of the wave power generator according to the present invention.
  • FIG. 10 is a perspective view of FIG. 9;
  • FIG. 11 is a perspective view illustrating a state in which the truss in FIG. 10 is lowered.
  • FIG. 1 is an exploded perspective view illustrating a wave power generating apparatus according to the present invention
  • Figure 2 is a perspective view showing a coupling configuration of the wave power generating apparatus according to the present invention
  • Figure 3 is a wave power generating apparatus according to the present invention Top view.
  • the wave power generator of the present invention is the base 10, the pillar 20, the truss 30, the truss elevating drive unit 40, the generator rotary drive unit 50, the generator 60 and the controller 70 It is a configuration made as.
  • the base 10 of the present invention is usually made of reinforced concrete, and is provided at a constant height from the bottom surface by concrete construction so that the breakwater or the coastal wave is fixed firmly in the water, ie, the bottom of the sea, in the direction of the wave. It is a configuration to make it possible.
  • the lower end of the foundation 10 is to be provided with a configuration that is integrally coupled to the rock or artificial structures or piled piled piles of the sea floor.
  • the pillar 20 of the present invention is a reinforced concrete structure to be provided at a predetermined height at the upper end of the foundation 10, respectively.
  • the upper surface of the base 10 of the pillar 20 is configured to have a smaller outer diameter than the base 10 while being formed vertically higher than the maximum height of the sea level.
  • the mutually adjacent surfaces of the pillars 20 between the adjacent bases 10 are recessed to a predetermined depth into each of the pillars 20 so that the lifting guide grooves 21 are formed at a constant height.
  • the lifting guide 21 is most preferably to be opened to the top of the pillar (20).
  • the truss 30 of the present invention is to be provided in parallel in the horizontal direction a plurality of rods 31 provided as a length corresponding to the distance between the pillars 20, between both ends of each of the rods 31 and between One or more connectors 32 are connected to each other so as to be connected at the same time while maintaining the bars 31 at regular intervals.
  • a projection 33 is inserted into the lifting guide groove 21 of the column 20 in the upper end in order to be able to ascend outwards.
  • the truss elevating drive unit 40 is configured to be fixed to the upper end surface of the column 20 so that the truss 30 can be elevated at a certain height.
  • the truss elevating drive unit 40 is composed of a truss elevating motor 41, a reducer 42, a pair of bobbins 43, and a cable 44, so that the reducer 42 is connected to the truss elevating motor 41.
  • a truss elevating motor 41 a reducer 42, a pair of bobbins 43, and a cable 44, so that the reducer 42 is connected to the truss elevating motor 41.
  • bobbins 43 are respectively connected to the reduction gears 42 to drive shafts drawn from the reduction gears 42 on both sides.
  • the bobbin 43 is wound around the cable 44, and the end of the cable 44 is connected to the connector 32 provided at both ends of the truss 30.
  • the cable 44 is wound or unwound by the bobbin 43 so that the truss 30 is lowered or raised by a certain height.
  • FIG. 4 is a side cross-sectional view illustrating the generator rotational drive unit of the wave power generator according to the present invention, the generator rotational drive unit 50 of the present invention is configured between the connector 32 of the truss 30, such a generator
  • the rotary drive unit 50 is composed of a motor housing 51, a generator rotary motor 52, a fixed frame 53, a bearing 54, and an internal gear 55.
  • the motor housing 51 of the generator rotational drive unit 50 is fixed to the generator rotation motor 52 therein, and the fixing frame 53 is provided integrally to the outside.
  • the fixing frame 53 is to be firmly fixed so that the flow in the longitudinal direction of the rod 31 is prevented while being assembled to the rod 31 provided with a plurality of trusses 30 at the same time.
  • the fixing frame 53 in each rod 31 may be connected by welding, or may be firmly connected by fastening bolts (not shown) from the outer circumferential surface of the fixing frame 53.
  • the generator rotation motor 52 is fixed to one side eccentrically, the upper end of the motor housing 51 to be fixed to the bearing 54 rotatably, the inner peripheral surface of the bearing 54
  • the internal gear 55 is integrally coupled.
  • the drive gear 520 is axially fixed to the drive shaft of the generator rotary motor 52 which is fixed eccentrically in the motor housing 51, and the drive gear 520 at this time is inscribed in the internal gear 55 while being in gear engagement.
  • the bearing 54 allows the outer ring 540 to be closely connected while the sealing is made at the top of the motor housing 51.
  • FIG. 5 is a cross-sectional view illustrating a generator of the wave power generator according to the present invention
  • the generator 60 of the present invention is largely divided into the generator body 61, the inlet port 62, the outlet port 63 and the wing 64 and It consists of the rotating shaft 65, the power generation part 66, and the acquisition guide pipe 67. As shown in FIG.
  • the generator body 61 of the generator 60 has an outer diameter gradually formed from the upper side to the lower side, and the inner diameter of the conduit, which is a moving passage of water connected to the outlet port 63 of the lower end from the inlet 62 of the upper end, is minutely fine. It is to be reduced so that it can flow strongly by the vortex of water.
  • the blade 64 is rotated in the center of the generator body 61 so as to be rotatable in the center, the blade 64 by the hydraulic pressure flowing in a swirling manner between the blade 64 and the inner diameter of the generator body 61. It is to rotate, and transmit power to the power generating portion 36 of the upper portion by the rotary shaft 65 integrally connected to the center of the blade 64 so that the power generating portion 66 can generate power.
  • the induction pipe 67 is a vertical cross section is formed in a variety of shapes, such as circular or rectangular, it is more preferable that the inlet in the induction pipe 67 is connected to the upper than the middle of the height.
  • the generator body 61 as described above is connected to the upper surface of the inner ring 541 of the bearing 54 to be fixed to the upper end of the motor housing 51 by the bolting while the lower end is in close contact with the sealing.
  • the controller 70 of the present invention is configured to elevate the height of the truss 30 to which the generator 60 is fixed according to the sea level.
  • the controller 70 is provided to the generator 60 to provide sea level height information to the controller 70.
  • Sleep height sensor 71 is to be attached.
  • the controller 70 calculates the motor drive control value of the truss elevating driver 40 according to whether the water level detecting sensor 71 detects water, thereby allowing the truss elevating motor 41 to be driven, thereby allowing the truss 30 to be driven. To raise and lower the constant height so that the wave is always guided through the induction pipe 67 of the generator (60).
  • controller 70 of the present invention is most preferably connected to one side of the truss elevating motor 41 of at least one side of the truss elevating driver 40.
  • FIG. 6 is a front view illustrating the installation structure of the wave power generating apparatus according to the present invention
  • Figure 7 is a side cross-sectional view illustrating a use state to which the wave power generating apparatus of the present invention is applied.
  • the present invention can be installed in rivers or lakes, but it is most preferable to provide the wave near the breakwater or the shore.
  • the present invention allows the foundation 10 and the pillar 20 to be simultaneously formed by civil engineering, and in particular, the pillar 20 is provided as a height that is not submerged in water no matter how high the upper end is.
  • the structure consisting of the foundation 10 and the pillars 20 thus produced is formed at regular intervals, and the trusses 30 are inserted between these structures.
  • the projections 33 formed on the trusses 30 at both end side connectors 32 are formed by elevating guide grooves 21 formed on the opposite sides of each pillar 20 between the trusses 30. While being inserted, the upper ends of these connectors 32 are wound around the bobbin 43 of the truss elevating drive unit 40 so that the drawn ends are firmly connected.
  • the induction pipe 67 of the generator 60 When installed as described above, the induction pipe 67 of the generator 60 is directly affected by the waves while heading toward the sea.
  • the height of the generator 60 is always to be raised and lowered along the water surface
  • the height of the sleep height detection sensor 71 attached to the generator 60 for the height control always check the sleep state
  • the sleep height detection sensor (71) The truss lifting motor 41 of the truss elevating driving unit 40 is driven by the controller 70 according to the state of the water in contact with the c) to raise or lower the truss 30.
  • the power generation unit 66 When the seawater is strongly vortexed in the generator body 61 to rotate the wing 64 axially supported inside the generator body 61 by the strong flow pressure, the central axis of rotation by the rotation of the blade 64 When the 65 rotates, the power generation unit 66 generates power through the rotation shaft 65.
  • the present invention is very simple in construction and the waves and water caused by the water are always guided into the generator body 61 through the induction plate 67, so that the power generation is made stable by the swirl water. do.
  • the generator 60 may be damaged together with the induction plate 67 by the typhoon, so if the typhoon starts to blow, the truss elevating motor of the truss elevating drive unit 40 is first shown in FIG. Drive 41 to raise the truss 30 as much as possible.
  • the generator 60 drives the generator rotation motor 52 in the motor housing 51 of the generator rotation driving unit 50 to be positioned above the upper end of the pillar 20. ) Rotates as shown in FIG. 9 in the reverse direction of the typhoon.
  • the generator 60 allows two generators 60 to be mounted on one truss 30 between two pillars 20, and these generators 60 rotate in opposite directions to each other.
  • the damage of the generator 60 can be prevented as much as possible, and the power generation efficiency is further increased by using a more powerful rotational force by the swirling effect of sea water.

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

Abstract

La présente invention porte sur un dispositif de production d'énergie houlomotrice, et présente les caractéristiques suivantes: des structures comprenant chacune une fondation (10) et un pilier (20) sont installées le long d'une digue ou de la rive, et séparées les unes des autres par des intervalles prédéterminés, une structure intermédiaire (30) comprenant une pluralité de barres (31), disposée entre les piliers (20), et qui est réglée en hauteur en fonction du niveau de l'eau. L'eau de mer qui entre dans un générateur (60) monté sur la structure intermédiaire (30) est expulsée avec un puissant effet d'écoulement tourbillonnaire après avoir passé à travers l'intérieur du générateur (60), générant ainsi une énergie accrue à partir des vagues. De même, le générateur (30) peut être repositionné au niveau de la mer par une unité de déplacement vertical de la structure intermédiaire (40) à l'approche d'un typhon, et peut être pivoté par une unité de commande de rotation du générateur (50) montée sur la structure intermédiaire (30), faisant pivoter une conduite d'entrée d'eau (67) pour l'admission de l'eau de mer, permettant ainsi d'assurer la maintenance du générateur (30) en toute sécurité.
PCT/KR2012/001106 2011-05-16 2012-02-14 Dispositif de production d'énergie houlomotrice Ceased WO2012157839A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0045617 2011-05-16
KR1020110045617A KR101081025B1 (ko) 2011-05-16 2011-05-16 파도력 발전장치

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WO2012157839A1 true WO2012157839A1 (fr) 2012-11-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621330A (zh) * 2017-09-27 2018-01-23 何珠贞 一种沿海用波浪能强度检测装置
CN121138202A (zh) * 2025-10-11 2025-12-16 中国核工业华兴建设有限公司 一种航道维护工程岸坡护岸用防护装置及方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013079582A1 (fr) * 2011-11-30 2013-06-06 Jospa Limited Convertisseur d'énergie de vague ayant un canal alimentant un tourbillon
KR101559890B1 (ko) * 2013-05-11 2015-10-20 김용택 커튼 유수 발전장치
GB2527311A (en) * 2014-06-17 2015-12-23 Blue Tidal Energy Ltd Water turbine
CN111425334A (zh) * 2020-02-25 2020-07-17 江苏科技大学 一种自导向式多自由度波浪能发电装置

Citations (3)

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Publication number Priority date Publication date Assignee Title
US20090115193A1 (en) * 2007-06-25 2009-05-07 Branco Anthony J Water turbine for generating electricity
KR20100084328A (ko) * 2009-01-16 2010-07-26 우정택 파력 발전 장치
KR101013296B1 (ko) * 2010-09-28 2011-02-09 심동준 승강식 횡형 수면 수차 발전 시스템

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090115193A1 (en) * 2007-06-25 2009-05-07 Branco Anthony J Water turbine for generating electricity
KR20100084328A (ko) * 2009-01-16 2010-07-26 우정택 파력 발전 장치
KR101013296B1 (ko) * 2010-09-28 2011-02-09 심동준 승강식 횡형 수면 수차 발전 시스템

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621330A (zh) * 2017-09-27 2018-01-23 何珠贞 一种沿海用波浪能强度检测装置
CN121138202A (zh) * 2025-10-11 2025-12-16 中国核工业华兴建设有限公司 一种航道维护工程岸坡护岸用防护装置及方法

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