CN110469450A - A kind of oscillaton water column type Wave energy converter including an absorption plant - Google Patents
A kind of oscillaton water column type Wave energy converter including an absorption plant Download PDFInfo
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- CN110469450A CN110469450A CN201910851336.1A CN201910851336A CN110469450A CN 110469450 A CN110469450 A CN 110469450A CN 201910851336 A CN201910851336 A CN 201910851336A CN 110469450 A CN110469450 A CN 110469450A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 33
- 230000001133 acceleration Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000013535 sea water Substances 0.000 claims description 3
- 239000010727 cylinder oil Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000010355 oscillation Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 16
- 230000008901 benefit Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 206010044565 Tremor Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- 230000003595 spectral effect Effects 0.000 description 1
- 230000008010 sperm capacitation Effects 0.000 description 1
- 238000012546 transfer Methods 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
- F03B13/141—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 with a static energy collector
- F03B13/142—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 with a static energy collector which creates an oscillating water column
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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
- F03B13/189—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 acting directly on the piston of a pump
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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
- F03B13/24—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 to produce a flow of air, e.g. to drive an air turbine
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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
Abstract
The present invention provides a kind of oscillating water column Wave energy converting device for including an absorption plant.Apparatus of the present invention include point absorption plant system and oscillating water column system, by absorption plant in conjunction with the electricity production principle of oscillating water column Wave energy converting device, improve efficiency of fuel cell generation.The feature to be moved up and down using water column large amplitude in oscillating water column Wave energy converter, while keeping it that gas indoor gas is pushed back and forth turbogenerator to be pushed to produce electricity, increase point absorption plant, the principle of float movement is pushed to increase electricity production using water column large-amplitude oscillation, to improve efficiency of fuel cell generation.And water column is consistent with the natural vibration period of float to further increase efficiency of fuel cell generation by adjusting making.The wave energy apparatus can be arranged coastwise to improve wave energy utilization rate, can also be combined with breakwater with shore protection, and the function of coastal engineering facility is taken into account.
Description
Technical field
The present invention relates to a kind of oscillaton water column type Wave energy converters for including an absorption plant, belong to new energy technology neck
Domain.
Background technique
The development of world economy causes global energy requirements amount to continue to increase, and the words such as traditional coal and petroleum are fuel sources
It is increasingly in short supply, and lead to serious pollutant emission and greenhouse effects problem, it has also become it restricts economic development and leads to environment
One of an important factor for pollution.Therefore, it develops renewable resources and clean energy resource, can effectively contain that the energy deteriorated increasingly is asked
Topic, or economic development provides new power, by more and more extensive concern.
China's economic median point concentrates on the coastal region in east China, and China possesses the coastline of more than 18000 kms, makes full use of
Marine energy resources are the effective measures for solving east China area shortage of electric power.In many marine energy resources, wave energy due to
Have the advantages that resource amount of storage is big, stability is good, construction cost is low etc., receives more and more extensive concern.Wherein, oscillating water column
Formula Wave energy converter is since structure is simple, the factors such as reliable performance, and referred to as current various countries' research dynamics is maximum and builds most
A kind of Wave energy converter, widely paid close attention to.But since China's wave energy density is lower, lead to oscillating water column
Formula Wave energy converter energy conversion efficiency is lower, limits its large-scale exploitation and uses.
Therefore, it is the energy conversion efficiency for improving conventional surge water column type wave power device, proposes that one kind includes an absorption dress
The oscillaton water column type Wave energy converter set significantly improves wave energy transfer efficiency, and effective frequency of expanding device energy conversion
Spectral width increases effective capacitation frequency separation of Wave energy converter.
Summary of the invention
The present invention is to improve the energy conversion efficiency of conventional surge water column type wave power device, and provide one kind and include an absorption
The oscillaton water column type Wave energy converter of device.The present invention can not significantly change principal dimensions, by exciting oscillaton water column type wave
Fluid resonant and point-absorbing device resonate and improve the efficiency of fuel cell generation of wave energy converter device in energy conversion equipment.The present invention adopts
Technological means is as follows:
A kind of Wave energy converting device including an absorption plant, including oscillating water column system and point absorption plant system；
Described absorption plant system include the seabed spring being sequentially connected from bottom to top, lower drag rope, float, on lead
Messenger rope；
The oscillating water column system is at least fixed on the bottom plate in seabed using stationary structure on one side, further include top cover and
The side wall being connected with top cover wherein forms gas chamber, opens up on the top cover for overhanging cable between sea and top cover and each side wall
The rope duct of Suo Weiyi is also provided with gas passage on the top cover, and bracket is equipped in the gas passage and is placed in it
On turbine, the turbine is connected with the second generator；
Described absorption plant system is placed in oscillating water column system, is fixed on the bottom plate by seabed spring,
It is connected by the top of the overhanging cable rope with the first power generation mechanism.
Further, turbine generator is realized same under two-way airflow effect by air turbine formula power output system
To rotation；First power generation mechanism is back and forth being made using hydraulic power output system or the realization of mechanical power output system
With lower rotating Vortex.
Further, first power generation mechanism is hydraulic power output system comprising is connect with overhanging cable rope
Double acting hydraulic cylinder, the hydraulic motor, the generator that are connected with the double acting hydraulic cylinder, further include for for hydraulic motor and
The circulation Oil Tank of double-action hydraulic oil supply cylinder.
Further, after the overhanging cable rope is around angle pulley, acceleration flywheel, it is connected with double acting hydraulic cylinder.
Further, the center or non-center position on top cover top is arranged in the gas duct.
Further, the float is located on the axis of gas chamber.
Further, by preset hydraulic system, guarantee resonance cycle and the point absorption plant resonance week of oscillating water column
Phase is consistent.
Further, oscillating water column can be obtained natural vibration period by following formula,
Wherein, g is acceleration of gravity, and T is wave period, and S is the area of section of gas chamber, and D is water-column, and float is inclined
Flat round cylindricality, natural vibration period can be obtained by following formula,
Wherein, M is float quality, a33For additional mass, ρ is density of sea water, and A is water surface area in float, and K is under rope
Square spring rate guarantees that the two resonance cycle is consistent by design spring rate.
Compared with prior art, the invention has the following advantages that the present invention can be generated electricity using wave, vibration is combined
Swing the advantage of water column Yu point-absorbing Wave energy converting device.When wave action, oscillating water column pushes reciprocal air to pass through gas
Room pushes turbine generator electricity production；Meanwhile oscillating water column pushes float to move up and down, and drives the electricity production of the first power generation mechanism.And
The calculation method of the two natural vibration period is furthermore presented, large amplitude resonance motion occurs simultaneously for the two to improve electricity production effect
Rate.The wave energy apparatus can coastwise linear arrangement, can also be used in combination with shore protection and breakwater, thus improve wave benefit
With rate, and supervises and care for the functions such as coast protection.The present invention can be in ocean engineering, coastal engineering, clean energy resource skill based on the above reasons
Art field is widely popularized.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the Wave energy converting device concrete structure schematic diagram that an absorption plant is included in the embodiment of the present invention.
In figure, 1, top cover；1a, gas passage；1b, gas chamber；1c, oscillating water column；2, side wall；3, pull in shore plate；4, bottom plate；5,
Float；6, overhanging cable rope；6a, lower drag rope；6b, rope duct；7, seabed spring；8, angle pulley；9, acceleration flywheel；
10, double acting hydraulic cylinder；10a, piston；10b, piston rod；11, the first high-pressure hose；11a, the second high-pressure hose；12, pressure accumulation
Tank；13, hydraulic motor；14, the first generator；15, Oil Tank is recycled；16, sea level；17, turbine；18, the second generator；
19, bracket；V1, the first oil feed non-return valve；V2, the second oil feed non-return valve；V3, the first return check valve；V4, the second oil return are unidirectional
Valve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, present embodiment discloses a kind of Wave energy converting device for including an absorption plant, including oscillation water
Column 1c system and point absorption plant system；
Described absorption plant system include the seabed spring 7 being sequentially connected from bottom to top, lower drag rope 6a, float 5,
Overhanging cable rope 6, it is corrosion-resistant material or hollow metal that float 5 used by the present embodiment, which can be selected, guarantees its floating
In on the water surface；
The oscillating water column 1c system includes formula of pulling in shore and two kinds of offshore type, and the oscillating water column 1c system for formula of pulling in shore is at least
The bottom plate 4 in seabed is fixed on using stationary structure on one side, further includes top cover 1 and the side wall being connected with top cover 12, wherein passing through
The plate 3 that pulls in shore is set up against seashore side.The oscillating water column 1c system of offshore type includes top cover 1 and four side walls being connected with top cover 1
2, and using anchor chain or tension leg mooring in seabed.Formula of either pulling in shore or offshore type, sea level 16 and top cover 1 and each side wall
It is each formed with gas chamber 1b between 2, the rope duct 6b being displaced for overhanging cable rope 6 is opened up on the top cover 1, on the top cover 1
It is also provided with gas passage 1a, bracket 19 and turbine 17 placed on it, the turbine are installed in the gas passage 1a
Machine 17 is connected with the second generator 18, needs to count flood tide, the ebb tide information in facility place, concrete specification when the present embodiment is built
Need to guarantee flood tide no more than the highest point gas chamber 1b, ebb tide cannot be below side wall 2；
Described absorption plant system is placed in oscillating water column 1c system, is fixed on the bottom plate 4 by seabed spring 7
On, it is connected by the top of the overhanging cable rope 6 with 14 structure of the first generator, specifically, 14 structure of the first generator is
Hydraulic power output system comprising the double acting hydraulic cylinder 10 being connect with overhanging cable rope 6 and the double acting hydraulic cylinder
10 connected hydraulic motors 13, generator, further include for the recycle oil for 10 fuel feeding of hydraulic motor 13 and double acting hydraulic cylinder
Cabinet 15.The top of overhanging cable rope 6 is connect with angle pulley 8, then by 9 speedup of acceleration flywheel, and connects piston rod 10b, from
And the movement of float 5 is converted to the movement of piston rod 10b, and further connection piston 10a and double acting hydraulic cylinder 10；Its
In, seabed spring 7 is welded on the bottom plate 4, around can by protect class device be protected, prevent Haiti spring
Corrode, in actual production process, when float 5 moves downward, oil comes out out of hydraulic cylinder, into the first high-pressure hose 11
In, while the oil of the second high-pressure hose 11a enters in hydraulic cylinder；It is contrary when float 5 moves upwards, pass through the first fuel feeding
The flow direction of check valve V1, the second oil feed non-return valve V2, the first return check valve V3, the second return check valve V4 control oil, in order to
It allows oil stream is dynamic faster to damp smaller, when necessary, also hydraulic oil pump can be installed in the outlet side of circulation Oil Tank 15.
As preferred embodiment, turbine generator passes through air turbine formula power output system (PTO, Power
Take off) realize equal rotating Vortex under two-way airflow effect；First generator, 14 structure is using hydraulic power output system
System or mechanical power output system realize the rotating Vortex under reciprocating.
According to the difference of practical application scene, the center or non-central on 1 top of top cover is arranged in the gas duct
Position.
As preferred embodiment, the float 5 is located on the axis of gas chamber 1b.
By preset hydraulic system, guarantee that the resonance cycle of oscillating water column 1c is consistent with point absorption plant resonance cycle,
Specifically, 15 flowline of circulation Oil Tank is connected with 13 oil inlet of hydraulic motor, and 13 one end of hydraulic motor is connected with generator,
The other end is connected with accumulator tank 12, the output end of accumulator tank 12 by the first oil feed non-return valve V1, the second oil feed non-return valve V2 with
Second high-pressure hose 11a, the first high-pressure hose 11 are connected, and the two hose other ends are connected on double acting hydraulic cylinder 10, store
Pressure tank 12 can be improved efficiency.
Oscillating water column 1c can be obtained natural vibration period by following formula,
Wherein, g is acceleration of gravity, and T is wave period, and S is the area of section of gas chamber 1b, and D is water-column, therein
0.41 is empirical equation, can be adjusted to 0.35~0.45 according to the actual situation when specifically calculating,
Float 5 is inclined flat round cylindricality, can be obtained by following formula natural vibration period,
Wherein, M is 5 mass of float, and a33 is additional mass, and ρ is density of sea water, and A is water surface area in float 5, and K is rope
Spring rate below rope guarantees that the two resonance cycle is consistent by design spring rate.
In use, oscillating water column 1c system is worked at the same time with point absorption plant system.Oscillating water column 1c system under wave action
The water surface resonates in uniting, and forms the water column of the similar piston motion vibrated up and down, and water column vertical tremor forces inside gas chamber 1b
Gas reciprocates through the gas pipeline at the top of gas chamber 1b, turbogenerator rotation is pushed, so that first motor be driven to produce electricity.Together
When, the water column of the similar piston motion vibrated up and down will push point absorption plant that large amplitude heaving occurs, thus driving machine
Tool actuator movement, to drive the electricity production of the second motor.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of Wave energy converting device for including an absorption plant, which is characterized in that absorbed including oscillating water column system and point
Apparatus system；
Described absorption plant system includes the seabed spring, lower drag rope, float, overhanging cable being sequentially connected from bottom to top
Rope；
The oscillating water column system is at least fixed on the bottom plate in seabed using stationary structure on one side, further include top cover and with top
The connected side wall of lid, wherein forms gas chamber, is opened up on the top cover for overhanging cable rope position between sea and top cover and each side wall
The rope duct of shifting is also provided with gas passage on the top cover, and bracket and placed on it is equipped in the gas passage
Turbine, the turbine are connected with the second generator；
Described absorption plant system is placed in oscillating water column system, is fixed on the bottom plate, is passed through by seabed spring
The top of the overhanging cable rope is connected with the first power generation mechanism.
2. the Wave energy converting device according to claim 1 for including an absorption plant, which is characterized in that turbine generation dress
It sets and equal rotating Vortex under two-way airflow effect is realized by air turbine formula power output system；First power generation mechanism uses
Hydraulic power output system or mechanical power output system realize the rotating Vortex under reciprocating.
3. the Wave energy converting device according to claim 1 for including an absorption plant, which is characterized in that first hair
Motor structure is hydraulic power output system comprising the double acting hydraulic cylinder connecting with overhanging cable rope and the double acting
The connected hydraulic motor of hydraulic cylinder, generator, further include for the circulation for hydraulic motor and double-action hydraulic oil supply cylinder
Oil Tank.
4. the Wave energy converting device according to claim 3 for including an absorption plant, which is characterized in that the upper traction
After rope is around angle pulley, acceleration flywheel, it is connected with double acting hydraulic cylinder.
5. the Wave energy converting device according to claim 1 for including an absorption plant, which is characterized in that the gas orifice
The center or non-center position on top cover top is arranged in road.
6. the Wave energy converting device according to claim 1 for including an absorption plant, which is characterized in that the float position
In on the axis of gas chamber.
7. the Wave energy converting device according to claim 3 for including an absorption plant, which is characterized in that by preset
Hydraulic system guarantees that the resonance cycle of oscillating water column is consistent with point absorption plant resonance cycle.
8. the Wave energy converting device according to claim 7 for including an absorption plant, which is characterized in that oscillating water column is certainly
The vibration period can be obtained by following formula,
Wherein, g is acceleration of gravity, and T is wave period, and S is the area of section of gas chamber, and D is water-column, and float is inclined flat round
Cylindricality, natural vibration period can be obtained by following formula,
Wherein, M is float quality, a33For additional mass, ρ is density of sea water, and A is water surface area in float, and K mentions for hydraulic system
The rigidity of confession guarantees that the two resonance cycle is consistent by design spring rate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910851336.1A CN110469450A (en) | 2019-09-10 | 2019-09-10 | A kind of oscillaton water column type Wave energy converter including an absorption plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135272A (en) * | 2021-03-17 | 2021-07-20 | 大连理工大学 | Floating ocean platform module and ocean platform with wind energy, solar energy and wave energy power generation functions |
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| CN209354292U (en) * | 2018-12-19 | 2019-09-06 | 哈尔滨工程大学 | The breakwater unit and system of integrated oscillaton water column type and canard power generator of nodding |
| CN210769129U (en) * | 2019-09-10 | 2020-06-16 | 大连理工大学 | Oscillating water column type wave energy conversion device with built-in point absorption device |
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| CN113135272A (en) * | 2021-03-17 | 2021-07-20 | 大连理工大学 | Floating ocean platform module and ocean platform with wind energy, solar energy and wave energy power generation functions |
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