CN104747359A - Combined floating raft type wave power generator - Google Patents
Combined floating raft type wave power generator Download PDFInfo
- Publication number
- CN104747359A CN104747359A CN201410016328.2A CN201410016328A CN104747359A CN 104747359 A CN104747359 A CN 104747359A CN 201410016328 A CN201410016328 A CN 201410016328A CN 104747359 A CN104747359 A CN 104747359A
- Authority
- CN
- China
- Prior art keywords
- raft
- wire rope
- pulley
- floating
- wave generator
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
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- 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
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
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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
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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
The invention discloses a combined floating raft type wave power generator. Generator raft bodies and floating bodies are manufactured in a separated mode, split high-pressure air bags are used as the floating bodies, the raft bodies formed by welding steel are firm in structure and are connected with each other through multiple sets of hinges, pulleys and steel wire ropes are used as energy transmitting devices, and the front end faces of the raft bodies are maintained to be always perpendicular to the moving direction of wave mass points through a tail vane and multiple mooring ropes. The wave power generator is firm in structure and low in cost, and the energy transmitting devices are high in efficiency and long in service life.
Description
Technical field
The floating raft formula ocean wave generator that closes belongs to ocean wave generator manufacture field.
Background technique
In numerous marine resources, wave energy is the marine resources that a kind of energy density is high, total energy is huge, in order to utilize this marine resources, the technological staff of all parts of the world moves heaven and earth and is used, but due to reasons such as the energy hunting of wave are unstable, destructive by force, corrosive properly is high, wave energy cannot obtain Appropriate application always.
Only domestic just have various wave to utilize the thousands of item of patent, but do not have one can realize commercial applications, wave-energy power generation scheme also has numerous class in the world, main point bank base and the large class of offshore two, because wave energy in Coastal processes constantly loses, although bank base utilization safety coefficient is high but value is low, therefore offshore utilizes becomes reasonable option, offshore ocean wave generator mainly contains and uses air to utilize, the large class methods of MU two, air utilizes " huge whale " ocean wave generator of the non-Japan of typical case not belong to, this device is as the hollow whale of magnifying, utilize turbine wind turbine power generation, belong to concussion water column type, one, Secondary energy conversion efficiency is all higher, but need to build huge body, to ensure that body does not rise and fall on the waves, huge cost makes " huge whale " commercialization difficulty increase, MU comprises raft formula, point type, rocking arm type, several large class of canard of nodding, wherein raft formula Safety performance is the highest, canard one-level of nodding utilizes efficiency best, therefore Scottish pelamis is commonly called as the Typical Representative type that " sea snake " should be offshore MU, its vital capacity is strong, mooring Security is good, belong to the improvement shape of raft formula ocean wave generator, carry out reprocessing greatly after " sea snake " of installing in Portugal runs three months, main reason is only that energy transmission device goes wrong, oil cylinder structure of hydraulic itself determines to be difficult to adapt to the frequent impact that wave take second as unit of account, go wrong unavoidable, the Wave energy of " sea snake " utilizes and only has narrow three to four meters simultaneously, although make use of pitching and the rolling kinetic energy of wave, its power is also limited, increase power only under the prerequisite ensureing mooring safety, suitable increase ocean wave generator meet wave width, even if one-level conversion efficiency is not high like this, its total output is not little yet.
In all offshore ocean wave generators, body manufacture cost, safety in operation, mooring difficulty are the biggest obstacles of commercialized running, safety in operation includes again efficiency and the working life of organism safe vital capacity and energy transmission device, for solving above technical problem, particularly in order to manufacture, a kind of fabricating cost is low, security of operation, high efficiency, mooring safety ocean wave generator, the invention discloses a kind of design proposal.
Summary of the invention
Design proposal one of the present invention is separately manufactured structural material and buoyancy aid, by welded steel raft structure, middle dull and stereotyped with concreting, concrete flat slab is as ballast material and air bag top board, be hinged between buoyancy aid and buoyancy aid, adopt split high-pressure gasbag (separate case is applied for a patent) as buoyancy aid, settle reciprocating type or other air pump in raft body proper site; At least two joint raft body compositions are floating closes raft formula ocean wave generator body; Certainly also other buoyancy aids can be used when not considering manufacture cost, as rubber pneumatic bag, Plate Welding hull etc.
Design proposal two is will through the wire rope of pulley as energy transferring structure, and be installed with wire rope in the pulley being arranged on vertical beam top, raft body two ends, wire rope is drawn through accumulator connecting steel wire ropes wheel from pulley, and wire rope pulley drive electrical generators generates electricity.All above-mentioned moving elements are all isolated by protecting jacket and seawater.Scheme two is that the floating raft formula ocean wave generator that closes is distinguished and other wave-activated generators, is particularly different from the innovation of " sea snake ".
Design proposal three installs tail vane bottom raft body end, and at least two raft cables are connected to total raft body front end and second section raft body front end or first segment raft body afterbody bottom, utilizes tail vane and two to make raft body front end all the time perpendicular to wave particle traffic direction with upper cable.
Design proposal three makes the floating raft formula ocean wave generator that closes have canard configuration of nodding, and makes full use of impact force and the kinetic energy of wave, improves the one-level energy conversion efficiency of generator.
Accompanying drawing explanation
Fig. 1, raft side TV structure schematic diagram
Fig. 2, raft body plan structure schematic diagram
Fig. 3, raft body forward sight structural representation
In figure: 1, machine supporting beams 2, vertical beam 3, pulley 4, wire rope 5, hinge 6, air bag 7, hawser 8, tail vane 9, accumulator 10, wire rope pulley 11, generator
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.
Fig. 1 is raft side TV structure schematic diagram, it is the floating part-structure schematic diagram closing raft formula ocean wave generator, firmly be connected with other raft body steel by machine supporting beams 1 vertical beam 2 of welded steel in figure, the external force that the raft structure formed can bear up to a hundred tons is waved, raft body is connected by multiple hinge 5 with raft body, vertical beam two ends correspondence installs pulley 3, back and forth through wire rope 4 in pulley, wire rope is drawn through accumulator 9 from pulley, be wrapped on wire rope pulley 10, the folding under the effect of wave of raft body, pull wire rope, drive wire rope pulley rotates, generator 11 is rotated and produces electric power, the wearing of wire rope has multiple around mode, winding method and increase supplementary structure do not affect the realization of function, wherein play tension while accumulator 9 energy storage, ensure that wire rope is in tensioning state all the time, raft body tail end installs tail vane 8, and tail vane makes raft body front end vertical with the moving direction of wave particle all the time with two with upper cable 7, above wire rope and motion are all positioned at protecting jacket, and protecting jacket, built with environmental protection machine oil or vegetable oil, is avoided and contact with sea water, improve the working life of body.
Fig. 2 is raft body plan structure schematic diagram, and in figure, 1 is machine supporting beams, and 2 is vertical beam, 4 is wire rope, and 9 is accumulator, and 10 is wire rope pulley, 11 is generator, and raft body and raft body, by chain connection, intuitively can understand floating overall structure of closing raft formula ocean wave generator by drawing reference Fig. 1.
Fig. 3 is raft body forward sight structural representation, and in figure, 1 is machine supporting beams, and 2 is vertical beam, 6 is air bag, and 7 is hawser, and hawser is connected with bottom the front end vertical beam of generator second section raft body or first segment raft body afterbody vertical beam bottom, quantity more than at least two, or a hawser bifurcated connects.
Floating raft formula ocean wave generator structure of closing is simple, three technological schemes solve the technical barrier that seawave power generation exists at present from different perspectives, this electric generator structure is simple but firm, reduce manufacture cost, the particularly innovation of energy transmission device, not only add the stroke amplitude of wire rope, the characteristic of wire rope itself determines transfer unit life-span length and only has just can lose efficacy in a break situation simultaneously, even if fracture does not also have destruction to generator frame, generator raft body only can freely swing and can not have influence on working life; The comprehensive function of hawser and tail vane, makes the floating raft formula ocean wave generator that closes be different from common raft formula ocean wave generator, has the ability utilizing sea wave dynamic energy, improve the one-level transformation of energy of generator.
The innovation belongs to simple structure innovation, illustrate to be not used in and limit the scope of the invention, because its mode of execution has multiple, technician can do various change to the present invention, increases the described scope that raft body quantity, change wirerope-winding mode and for a change canoe increase parts, mobile hawser system these equivalent form of values of fixed position are equal to the application's claims.
Claims (4)
1. floating conjunction raft formula ocean wave generator, tail vane is adopted to make it and the same potential energy that can utilize wave of common raft formula ocean wave generator with Duo Gen hawser, there is the ability utilizing kinetic energy of wave simultaneously, adopt pulley and wire rope as energy transmission device, adopt split high-pressure gasbag as buoyancy aid, its major character is that high-pressure gasbag is positioned at by the concrete roof bottom of the raft structure of welded steel, raft body is interconnected by hinge, raft body settles pulley, wire rope is wound around by pulley and draws, be wrapped on wire rope pulley with after accumulator tensioning, wire rope pulley rotarily drives electrical power generators.
2. floating conjunction raft formula ocean wave generator according to claim 1, it is characterized in that utilizing pulley and wire rope as energy transmission device transferring power, wire rope utilizes accumulator tensioning and energy storage, continues drive electrical generators rotary electrification.
3. floating conjunction raft formula ocean wave generator according to claim 1, is characterized in that by split high-pressure gasbag as buoyancy aid, and sink-float steel structure raft body, the air pump that raft body is settled keeps the air pressure of high-pressure gasbag.
4. floating conjunction raft formula ocean wave generator according to claim 1, is characterized in that tail vane is installed in raft body afterbody bottom, keeps the vertical of raft body front-end faces and wave particle moving direction with at least two hawsers being connected to first segment afterbody bottom.
Priority Applications (1)
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CN201410016328.2A CN104747359A (en) | 2014-01-01 | 2014-01-01 | Combined floating raft type wave power generator |
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CN201410016328.2A CN104747359A (en) | 2014-01-01 | 2014-01-01 | Combined floating raft type wave power generator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114876707A (en) * | 2022-05-25 | 2022-08-09 | 浙江大学 | Wave energy conversion device for solving terminal collision problem of hydraulic PTO system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3603201A1 (en) * | 1986-02-03 | 1987-09-10 | Bernhard V Dr Ing Fritsch | Wave energy consumer |
CN201246266Y (en) * | 2008-07-31 | 2009-05-27 | 陈文标 | Swing-assisting type wave energy electric generating apparatus |
CN101718247A (en) * | 2009-12-10 | 2010-06-02 | 中国科学院电工研究所 | Fishlike raft-type liquid-metal magnetohydrodynamic wave energy direct power generating device |
WO2011025156A2 (en) * | 2009-08-25 | 2011-03-03 | Jo Chang-Hui | Wave power generator |
CN102140995A (en) * | 2010-01-29 | 2011-08-03 | 文辉安 | Matrix type sea wave power generation device |
CN203640920U (en) * | 2014-01-01 | 2014-06-11 | 周文正 | Float-raft-combined sea wave power generator |
-
2014
- 2014-01-01 CN CN201410016328.2A patent/CN104747359A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3603201A1 (en) * | 1986-02-03 | 1987-09-10 | Bernhard V Dr Ing Fritsch | Wave energy consumer |
CN201246266Y (en) * | 2008-07-31 | 2009-05-27 | 陈文标 | Swing-assisting type wave energy electric generating apparatus |
WO2011025156A2 (en) * | 2009-08-25 | 2011-03-03 | Jo Chang-Hui | Wave power generator |
CN101718247A (en) * | 2009-12-10 | 2010-06-02 | 中国科学院电工研究所 | Fishlike raft-type liquid-metal magnetohydrodynamic wave energy direct power generating device |
CN102140995A (en) * | 2010-01-29 | 2011-08-03 | 文辉安 | Matrix type sea wave power generation device |
CN203640920U (en) * | 2014-01-01 | 2014-06-11 | 周文正 | Float-raft-combined sea wave power generator |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114876707A (en) * | 2022-05-25 | 2022-08-09 | 浙江大学 | Wave energy conversion device for solving terminal collision problem of hydraulic PTO system |
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Application publication date: 20150701 |