CN104863783A

CN104863783A - Second-generation floating raft type sea wave electric generator

Info

Publication number: CN104863783A
Application number: CN201410070146.3A
Authority: CN
Inventors: 周文正
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-26
Filing date: 2014-02-26
Publication date: 2015-08-26

Abstract

The invention discloses a second-generation floating raft type sea wave electric generator. According to the electric generator, electric generator raft bodies and floating bodies are separated for production, split high-pressure air bags are adopted as the floating bodies, the raft bodies welded by steel are firm in structure and are connected through multiple groups of hinges, pulleys, steel wire ropes and camber beams are adopted as energy transmission devices, and the front end surface of the raft bodies is perpendicular to the movement direction of a wave particle all along by means of multiple mooring ropes. The electric generator is firm in structure and low in cost, and the energy transmission devices are high in efficiency and long in service life.

Description

Two generations floating conjunction raft formula ocean wave generator

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 is the biggest obstacle of commercialized running, safety in operation includes again efficiency and the working life of organism safe vital capacity and energy transmission device, the floating raft formula ocean wave generator that closes of the first generation is for solving above technical problem, particularly low in order to manufacture a kind of fabricating cost, security of operation, high efficiency, the ocean wave generator of mooring safety provides a solution, but because it is as the wire rope of energy transmission device important composition structure, under part is positioned at sea, this brings quite high difficulty to the protection of wire rope, simultaneously in energy transfer process, wire rope has to pass through accumulator, cause the loss of energy, a kind of new design proposal is the invention provides for solving these two technical problems.

Summary of the invention

Design proposal agent structure of the present invention and the first generation be floating, and to close raft formula ocean wave generator consistent, structural material and buoyancy aid are separately manufactured, 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 as buoyancy aid, settle reciprocating type or other air pump to be used for supplementing the gas leakage of air bag in raft body proper site; The floating body closing raft formula ocean wave generator of at least two joint raft body compositions; When not considering manufacture cost or in order to also other buoyancy aids can be used when improving additional function, as Plate Welding hull etc.

Using the wire rope through pulley as energy transferring structure, be arranged in the many groups sheave block on bow beam and be installed with wire rope, wire rope is drawn from pulley, and two ends connect accumulator, wire rope intermediate portion and wire rope pulley are intertwined and connected, and are generated electricity by speed increaser drive electrical generators.All above-mentioned moving elements are all positioned on sea or with seawater isolates.

At least two hawsers are connected to total raft body front end and second section raft body front end or first segment raft body afterbody bottom, utilize two to make raft body front end all the time perpendicular to wave particle traffic direction with upper cable.Make the floating raft formula ocean wave generator that closes have canard configuration of nodding, make full use of impact force and the kinetic energy of wave, improve the one-level energy conversion efficiency of generator.

Accompanying drawing explanation

Fig. 1, hull formula two generation floating conjunction raft formula ocean wave generator structural representation

Fig. 2, bow beam part-structure schematic diagram

Fig. 3, air sac type two generation floating conjunction raft formula ocean wave generator structural representation

In figure: 1, pulley 2, bow beam 3, wire rope 4, hull 5, generator 6, wire rope pulley 7, accumulator 8, hawser 9, axle 10, apical axis 11, raft body 12, high-pressure gasbag

Embodiment

Below in conjunction with specific embodiment, set forth the present invention further.

Fig. 1 is hull formula two generation floating conjunction raft formula ocean wave generator structural representation, it is the floating part-structure schematic diagram closing raft formula ocean wave generator, in figure two by the hull 4 of Plate Welding by organizing chain connection more, the external force that the raft structure formed can bear up to a hundred tons is waved, column is extended above hull, bow beam 2 (note: therefore the bow of the similar wire rope tension of beam of two transverse direction placements be fixedly connected with is bow beam) is installed on two corresponding root post tops, bow beam is installed many group pulleys 1, pulley is wound around back and forth one more and organizes wire rope 3, the wire rope two ends extended are connected with accumulator, extending in the middle of wire rope is wrapped on wire rope pulley 6, under wave action, buoyancy aid folding, two groups, left and right sheave block on bow beam is stressed in succession respectively, under the drive of wire rope, wire rope pulley carrys out back rotation continuously, one-way rotation is formed by ratchet, after improving rotating speed by speed increaser, drive electrical generators generates electricity, due to the tension of accumulator, and its tension force is slightly larger than the resistance of wire rope pulley one end, add the utilization of sheave block, slight folding also can make wire rope pulley generation significantly carry out back rotation, when severe sea condition, wire rope for subsequent use in accumulator is drawn out, and avoids producing to generator injury of overrunning.Hawser 8 ties up to the bottom in the middle of two joint raft bodies, is conducive to the one-level energy conversion efficiency improving ocean wave generator.In two generations, floated all motions closing raft formula ocean wave generator and are all positioned at more than sea, departed from and contact with sea water, improve the working life of body.

Fig. 2 is bow beam part-structure schematic diagram, in figure, 1 is pulley, bend the pulley on beam 2 and form the two groups of sheave block in left and right with four groups of pulleys 1 that the axle 9 on column is flexibly connected are corresponding between two, two groups of pulleys respectively have the head end of steel cable 3 to extend to be connected with accumulator, and the wire rope intermediate portion that two groups, left and right sheave block is wound around extends and is wrapped on wire rope pulley; Bow beam 2 one end is flexibly connected with the apical axis 10 on column top, and the sheave block on bow beam and another column top is contactless, or sliding contact, and with this sheave block for initial point to-and-fro motion.

Fig. 3 is air sac type two generation floating conjunction raft formula ocean wave generator structural representation, its working principle is identical with Fig. 1, just raft body 11 is arranged on floating gasbag 12, wire rope 3 liang of tops that bow beam 2 extends are connected with accumulator 7, middle one end is connected with wire rope pulley 6 and is wound around, and is generated electricity by speed increaser drive electrical generators 5.

In two generations, floating raft formula ocean wave generator structure of closing was simple, this technological scheme solves a generation from different perspectives and floats the technological deficiency of closing raft formula ocean wave generator and existing, make electric generator structure more firmly simple, as long as hawser and hinge are enough firm, any sea situation can be stood in theory, the particularly innovation of energy transmission device, use bow beam that wire rope is all positioned on sea to isolate with seawater, the use of many groups sheave block adds 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, two ends accumulator being connected to wire rope decrease the energy loss in transmittance process, the smooth running of the flexible and generator of wire rope for subsequent use under being simultaneously more conducive to severe sea condition.The comprehensive function of hawser, 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.Make full use of the space of several thousand square metres up and down of buoyancy aid, build as sentry post, sea, deep-sea breeding etc. can increase the commercial value that generator adds.

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

1. two generations floating conjunction raft formula ocean wave generator, adopt split high-pressure gasbag as buoyancy aid, high-pressure gasbag is positioned at the concrete roof bottom by the raft structure of welded steel, raft body is interconnected by hinge, bow beam on raft body column settles pulley, wire rope is wound around extraction by pulley and is wrapped on wire rope pulley, wire rope pulley rotarily drives electrical power generators, it and a generation are floated close that raft formula ocean wave generator is the same has the ability simultaneously utilizing kinetic energy of wave and potential energy with many hawsers, more its major character organizes sheave block and wire rope as energy transferring structure, and be arranged in bow beam, the two ends of wire rope connect energy storing structure, after wirerope-winding pulley, intermediate portion is wrapped on wire rope pulley, wire rope pulley to be connected with generator by ratchet and speed increaser and to generate electricity.

2. two generations according to claim 1 floating conjunction raft formula ocean wave generator, it is characterized in that utilizing sheave block, wire rope and bow beam as energy transmission device transferring power, wire rope utilizes accumulator tensioning and energy storage, and energy storing structure is connected with wire rope two ends.

3. two generations according to claim 1 floating conjunction raft formula ocean wave generator, it is characterized in that the wire rope as energy transferring structure is arranged on Gong Liangshang with many group sheave block, buoyancy aid, wire rope, sheave block, bow beam collect the kinetic energy and potential energy that transmit wave together.