CN103953496B - A kind of marine tidal-current energy capture mechanism and electricity generating device - Google Patents
A kind of marine tidal-current energy capture mechanism and electricity generating device Download PDFInfo
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- CN103953496B CN103953496B CN201410206380.4A CN201410206380A CN103953496B CN 103953496 B CN103953496 B CN 103953496B CN 201410206380 A CN201410206380 A CN 201410206380A CN 103953496 B CN103953496 B CN 103953496B
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
A kind of marine tidal-current energy capture mechanism and electricity generating device, wherein marine tidal-current energy capture mechanism, comprise main shaft, runner, supporting rod and upset blade, runner is fixed on main shaft, at least four supporting rods are furnished with uniformly in the circumference of runner, and be provided with on supporting rod can at runner shaft to the upset blade freely rotated within the scope of radial 90 degree, two overturn limit positions and are provided with position-limited lever; Upset blade comprises sleeve, main panel and the panel that meets water, main panel front under the state of meeting water can automatic turning to the position vertical with current, main panel front can turn 90 degrees to the position parallel with current by automatic turning under state against the current.And disclose a set of electricity generating device.The power of unit can realize other generating of MW class in theory.Fabricating cost is low, and the fabricating cost of specific power and the cost of existing wind power plant maintain an equal level.The elevator mechanism carried by himself, makes the maintenance in later stage all be simplified.
Description
Technical field
The program relates to a kind of tidal current energy generating equipment, specifically a kind ofly utilizes marine tidal-current energy in ocean to carry out the device generated electricity.
Background technique
The applicant has applied for a kind of patent of invention of power generation device from sea current for 2011, application number is 2011102370993, it is disclosed that part-structure, mainly comprise generator, belt pulley, belt, blade and T-shaped support, generator is wherein driven by belt pulley and generates electricity, belt is provided with T-shaped support, T-shaped support is provided with blade, connected by folding between blade and T-shaped support.When this device uses, belt is arranged along the direction of ocean current, and blade is above vertical with the direction of ocean current does useful work under the promotion of ocean current, and blade is below parallel with ocean current direction, and adverse current returns.Realize the object that band movable belt pulley rotates, and then drive electrical generators generating.This device utilizes the thrust of ocean current to blade to generate electricity, reasonable electricity generate function can be realized, but in the process that reality uses, there is certain impact, be mainly manifested in, impact can be produced between blade and T-shaped support when blade conversion direction, belt wheel often rotates a circle and all can overturn twice simultaneously, weares and teares more serious.Simultaneously owing to there is belt mechanism, so the foreign material such as sandstone in ocean current can make belt in driving mechanism and rotating shaft serious wear, even there will be the phenomenon of sideslip, need further to improve unit perfect.
The power generating equipment of said structure, due to the restriction of structure, is difficult to realize other scale power generation demand of MW class.The R&D direction of present marine tidal-current energy power generating equipment is: high-power, especially can realize other Electricity Generation equipment of MW class; Low cost, the maintenance cost comprising fabricating cost and later stage all should be low as much as possible; Make installation and later period maintenance conveniently.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of marine tidal-current energy capture mechanism and electricity generating device, first be a kind of can the equipment that generates electricity by way of merging two or more grid systems of scale, the power of unit can realize other generating of MW class in theory, two are, fabricating cost is low, and the fabricating cost of specific power and the cost of existing wind power plant maintain an equal level; Three are, rational in infrastructure, the elevator mechanism carried by himself, and the maintenance in later stage is all simplified.
The technical solution adopted for the present invention to solve the technical problems is: a kind of marine tidal-current energy capture mechanism, comprises main shaft, runner, supporting rod and upset blade, it is characterized in that,
Described runner is connected by key or is welded to connect and is fixed on main shaft, and be furnished with at least four supporting rods uniformly in the circumference of described runner, and be provided with on described supporting rod can at runner shaft to the upset blade freely rotated within the scope of radial 90 degree, and overturn limit positions at two that overturn blade and be provided with position-limited lever;
Described upset blade comprises sleeve, main panel and is arranged on the panel that meets water changing original state for water jet propulsion upset blade of outer end, described sleeve activity is nested with on supporting rod, described main panel by welding or screw connect mode and sleeve shape integral; And
Described main panel front under the state of meeting water can automatic turning to the position vertical with current, described main panel front can turn 90 degrees to the position parallel with current by automatic turning under state against the current.
Described supporting rod is along runner shaft to the two bars arranged in pairs, the top of two supporting rods is fastenedly connected by connecting sheet, and the position-limited lever for limiting upset blade limit position arranged vertically is provided with at the middle part of described supporting rod, and a side of described main panel is fixedly connected with sleeve, and described in meet water panel be from upset blade tip formed to side bending.
Described upset blade for having some strength and corrosion resistant metal blade or alloy vane, and is inlaid with the bushing component carrying out with supporting rod being rotatably assorted in upset blade sleeve.
Described supporting rod is single pole, one is fixed along runner shaft to the position-limited lever arranged at the top of described supporting rod, and be respectively equipped with at the two ends of described position-limited lever along the symmetrically arranged dead axle of supporting rod or dead axle cover, and described dead axle or dead axle cover be arranged in parallel with described supporting rod, the dorsal part centre of described upset blade is provided with one and carries out the rotating shaft cover that is rotatably assorted or rotating shaft with described dead axle or dead axle cover, and be respectively equipped with at the two ends of described position-limited lever to upset blade against the current state carry out the second spacing position-limited lever.
A kind of tidal current energy generating equipment, comprises framework, marine tidal-current energy capture mechanism, driving mechanism and generator, it is characterized in that,
Described marine tidal-current energy capture mechanism is above-mentioned marine tidal-current energy capture mechanism;
Described framework comprises chassis and is welded on the column for supporting miscellaneous part on chassis, described chassis is the housing with inner chamber, and be respectively equipped with air ports and intake-outlet at the top on described chassis and bottom, and be respectively arranged with valve in described air ports and intake-outlet; Described chassis is provided with for fixing through hole and fixing drill bit, described drill bit passes through hole and inserts in seabed;
Main shaft two ends in described marine tidal-current energy capture mechanism are arranged on framework column by rotating element is in level, and at least two group marine tidal-current energy capture mechanisms are symmetricly set on the upside of chassis;
Described driving mechanism comprises differential mechanism, coupling and speed increaser, main shaft described in two extends to centre and is connected respectively to the input end of a differential mechanism, the output terminal of described differential mechanism is connected to speed increaser by axle and coupling, described speed increaser is connected with generator, and described generator is positioned at the top of whole electricity generating device.
Also comprise a fixing assisting agency, described fixing assisting agency is a marine tidal-current energy capture mechanism vertically arranged, socket connection is carried out by square axle structure or spline structure and described drill bit top in described main shaft lower end wherein.
Also comprise a lifting mechanism, described lifting mechanism comprises hawser, winch, guide cylinder and rope sheave, described guide cylinder carries out socket connection by square axle structure or spline structure and described drill bit, described winch is fixed in the installing space of electricity generating device, and one end is connected to the top of guide cylinder after described hawser is walked around on framework rope sheave, the other end is wrapped in winch.
The invention has the beneficial effects as follows:
1, easy for installation, first assemble complete in the factory building of land, hollow chassis makes whole device can be across the sea floating, infield is dragged to towboat, then by after the air ports venting on chassis, intake-outlet water inlet, whole device sinks, and utilizes diving principle, finally fall into seabed, and drill bit can be squeezed in sea bed by fixing assisting agency and be fixed.
2, operate steadily, marine tidal-current energy capture mechanism is in the process run, and utilize carry out of ocean current to upset blade to promote, return artomatically folded, without impacting, operates steadily.Meanwhile, in transmission system, employ differential mechanism, make each marine tidal-current energy capture mechanism can realize nonsynchronous operation, in power generation process, the stability of whole device is fine.
3, marine tidal-current energy capture mechanism wherein coordinates transmission system can realize the application of scale, and can organize more in theory and use simultaneously, finally all power is all input in generator, can realize other unit of MW class generating scale in theory.
4, can way traffic, utilizing ocean current generally commutates (flood tide or ebb) for every six hours once, and corresponding upset blade carries out conversion position, can realize generating when ocean flood tide and ebb tide, the realization of this function is the conversion realization by overturning blade, simple.
5, easy to maintenance, the lifting of self can be realized by the winch in equipment and hawser, and in lifting process, do not need extra lifting ship, reduce maintenance cost.
So this device is the equipment that a kind of comprehensive comparison is good, consider the factors of manufacture, installation, maintenance and long-term generating.
Accompanying drawing explanation
Fig. 1 is the stereogram of marine tidal-current energy capture mechanism pattern one.
Fig. 2 is the sectional view overturning blade local in Fig. 1.
Fig. 3 is the plan view of Fig. 1.
Fig. 4 is the stereogram of marine tidal-current energy capture mechanism pattern two.
Fig. 5 is the plan view of Fig. 4.
Fig. 6 is the structural representation of electricity generating device.
Fig. 7 is installation process schematic diagram.
Fig. 8 is chassis inflation/deflation sink-float principle figure.
Fig. 9 is the schematic diagram of differential mechanism.
Figure 10 is the scheme of installation of lifting mechanism at this device.
Figure 11 is lifting process schematic diagram.
Embodiment
Be described in detail below in conjunction with the pattern shown in Fig. 1 to Figure 11.A kind of tidal current energy generating equipment, comprises framework 1, marine tidal-current energy capture mechanism 2, driving mechanism 3 and generator 4.
Marine tidal-current energy capture mechanism 2, comprises main shaft 21, runner 22, supporting rod 23 and upset blade 24.There are two kinds of main structure forms.
As Fig. 1 to Fig. 3, main shaft 21 is a long axis, for adopt stainless steel or other carry out antiseptic steel axial workpiece.Runner 22 is a disk part by performing, and runner 22 is connected by key or is welded to connect and is fixed on main shaft, and form an entirety, synchronous axial system, wherein the quantity of runner can according to circumstances arrange multiple, and quantity is more, and generated output is larger.Six are furnished with uniformly to the supporting rod 23 arranged in pairs in the circumference of each runner, above-mentioned supporting rod 23 between two one group along runner shaft to paired setting, the top of two supporting rods is fastenedly connected by connecting sheet 25, forms the profile of a rectangle, has stronger intensity.And at the middle part welded limiting bar 26 of two supporting rods, for limiting the flip angle of upset blade, the upset blade on supporting rod freely can be rotated within the scope of to radial 90 degree, as shown in Figure 1 at runner shaft.
As shown in Figure 2, this upset blade 24 comprises sleeve 241, main panel 242 and is arranged on the panel 243 that meets water changing original state for water jet propulsion upset blade of outer end.Main panel 242 is dull and stereotyped, side side weld is connected on sleeve, and described in meet water panel 243 for be formed to side bending from upset blade tip, usually formation can be made by the technique of corrosion resistant plate bending, main panel 242 forms one by the direct welding parallel with sleeve 241 of stiffening rib 244, above-mentioned sleeve activity is nested with on supporting rod, and uses the connecting sheet 25 at top spacing, and overturning blade like this can rotate around supporting rod.Easy understand, described main panel front under the state of meeting water, the panel that meets water auxiliary under, can automatic turning to the position vertical with current, this position is acting position.Described main panel front is under state against the current, and because main panel is stressed, can turn 90 degrees to the position parallel with current by automatic turning, this state be return state, does not do manual work.
Easy understand, because said structure is all that long period of soaking is in ocean, so metal or the alloy material such as stainless steel, titanium magnesium alloy of seawater corrosion resistance will be adopted, and in upset blade sleeve, be inlaid with the bushing component carrying out with supporting rod being rotatably assorted, make upset blade rotation freely with guarantee working life.
Concrete, the relation of marine tidal-current energy is followed in the umklapp process of upset blade, can the schematic diagram shown in reference drawing 3.
Fig. 4, Fig. 5 are another distortion of marine tidal-current energy capture mechanism, and its structural type is:
Described supporting rod 23 ' is single pole, is directly welded on runner 22 '.The top of supporting rod fixes one along runner shaft to the position-limited lever 26 ' arranged, position-limited lever is perpendicular to supporting rod, and be respectively equipped with along the symmetrically arranged dead axle cover of supporting rod at the two ends of position-limited lever, and dead axle cover be arranged in parallel with described supporting rod, the dorsal part centre of described upset blade 24 ' installs a rotating shaft by two axle beds, and the distance of this rotating shaft to two side is unequal, specifically, the distance of this rotating shaft distance upset blade outer edge is greater than the distance of distance upset blade inside edge, form an eccentric structure, with reference in figure 5.This rotating shaft and dead axle cover are rotatably assorted, and form a flexible connection 27 of rotating, and making to overturn blade can around axis of rotation, wherein under the effect of eccentric structure, make umklapp process relatively freer, ensure simultaneously in acting process, upset blade is in steady state.Meanwhile, be respectively equipped with the second position-limited lever 28 upset blade being carried out to longitudinal spacing at the two ends of position-limited lever, make upset blade under the direction of following current, be in minimum fold plane cumuliformis state, reduce reverse resistance, prevent it from swinging simultaneously.Upset blade has two kinds of rollover states, and one is the state (Fig. 5 upper half part) of doing work, and another kind is the state (shown in Fig. 5 lower half portion) of adverse current return, under acting state, developed area is as far as possible large, and in return process, fluoran stream surface is long-pending as far as possible little.For realizing the automatic rotation of upset blade, a gap 245 is opened on the top of upset blade 24 ', then by the flat board of gap both sides to monosymmetric bending, form the panel 243 ' that meets water that a Y-shaped is arranged, it is the panel that meets water of a Y shape, when have water impact meet water panel time, due to flow action, coordinate the eccentric structure of upset blade rotor, make the vertical and water (flow) direction of upset face of blade, as Fig. 5 upper half part, in this course, meet water panel in action during original state, then whole panel all plays a role, so upset is very fast.
The column 12 for supporting miscellaneous part that described framework 1 comprises chassis 11 and is welded on chassis, chassis 11 is for having the housing of inner chamber, stainless-steel sheet can be adopted to be welded, air ports 13 and intake-outlet 14 is respectively equipped with at the top on described chassis 11 and bottom, and valve is respectively arranged with in air ports and intake-outlet 14, make the buoyancy on chassis adjustable by the mode of inflation/deflation, the principle of similar submarine, when being air in inside, chassis is buoyancy aid, float on the surface, in cavity during water seawater, sink, form a chassis, sit idly on sea bed.Be designed to the projection of some chock shapes at the lower surface on chassis 11, can combine with irregular seabed.
Be provided with for fixing through hole 15 in four corners on described chassis 11, and be nested with a drill bit 5 in through-holes, this drill bit 5 can in insertion seabed gradually through through hole and under the driving of fixing assisting agency, realize the fixing of chassis, finally realize the fixing of whole device, concrete fixation procedure is described in the description below.In this paragraph, drill bit has the function on automatic drill ground, also can realize the fixing of chassis simultaneously.
Main shaft 21 two ends in above-mentioned marine tidal-current energy capture mechanism are arranged on framework column by rotating element 16 is in level, two groups of marine tidal-current energy capture mechanisms are symmetricly set on the upside of chassis, this symplex structure farthest can reduce deflecting force, the stability of whole device is strengthened, and also make many groups use side by side becomes possibility simultaneously.
Described driving mechanism 3 comprises differential mechanism 31, coupling 32 and speed increaser 33, main shaft 21 in two marine tidal-current energy capture mechanisms is connected to the input end 311 of a differential mechanism to centre, this differential mechanism is identical with the differential design used in the occasions such as automobile, as shown in Figure 9.The output terminal 312 of this differential mechanism is connected to speed increaser 33 by axle and coupling, and speed increaser is connected with generator 4, and described generator is positioned at the top of whole electricity generating device, and under normal circumstances, this generator is positioned at the position on more than sea level.
Introduce fixing assisting agency 2 ' below, described fixing assisting agency 2 ' is a marine tidal-current energy capture mechanism vertically arranged, principle and structure and marine tidal-current energy capture mechanism quite similar, and can rotate under the promotion of current, provide power for working with boring, difference is, main shaft 21 ' lower end wherein carries out socket connection by square axle structure or spline structure 61 with drill bit top, meanwhile, runner is designed to spline structure 61 ' with main shaft in conjunction with part, can dismantles.
Installation process is as follows, first whole device is dragged to infield, then by the valve open in chassis, make to be filled with seawater in chassis, sink, after sinking to putting in place, drill bit is penetrated in through hole, the montant in fixing assisting agency and drill bit are fixed, and a runner with upset blade is arranged on the top of montant, under the effect of ocean current, vertical axis, forms the action that is bored ground, this process lasts several hours, drill bit can be pierced lowly, after reaching the predetermined degree of depth, then dally, finally fixing-aid device is removed.Complete the steady job of whole project.
Below lifting mechanism is described, described lifting mechanism comprises hawser, winch, guide cylinder and rope sheave, guide cylinder 7 is a cylinder, and guide cylinder carries out socket connection by spline structure 61 and described drill bit 5, form one, described winch 8 is fixed in the installing space of electricity generating device, winch is electrically-actuated device, and one end is connected to the top of guide cylinder 7 after hawser 81 is walked around on framework rope sheave, the other end is wrapped in winch 8, rope closing wheel wherein in winch can lengthen, and synchronously reclaims four hawsers simultaneously.
This lifting mechanism is used for the maintenance of equipment, that is, when after device damage, each drill bit is fixed a guide cylinder 7 respectively, then be fixed on the top of guide cylinder after the hawser in winch being passed rope sheave, then start winch, then under the traction of hawser, whole device can rise along guide cylinder, until float to top, appearance as shown in figure 11, in this process, the inflation/deflation action in chassis can be coordinated to carry out, make process more smooth.Last maintenance man can keep in repair the equipment after floating.In this course, guide cylinder and drill bit form four directional posts, and under the effect of the lifting force of winch, whole equipment is made to increase along directional post, after maintenance, the action of winch direction, the equipment that can realize turns back to seabed according to former route, and is fixed.
Embodiment recited above is described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection domain as determined in claims of the present invention.
Claims (5)
1. a marine tidal-current energy capture mechanism, comprises main shaft, runner, supporting rod and upset blade, it is characterized in that,
Described runner is connected by key or is welded to connect and is fixed on main shaft, and be furnished with at least four supporting rods equably in the circumference of described runner, and be provided with on described supporting rod can at runner shaft to the upset blade freely rotated within the scope of radial 90 degree, and overturn limit positions at two that overturn blade and be provided with position-limited lever;
Described upset blade comprises sleeve, main panel and is arranged on the panel that meets water changing original state for water jet propulsion upset blade of outer end, described sleeve activity is nested with on supporting rod, described main panel by welding or screw connect mode and sleeve shape integral; And
Described main panel front under the state of meeting water can automatic turning to the position vertical with current, described main panel front can turn 90 degrees to the position parallel with current by automatic turning under state against the current;
Described supporting rod is along runner shaft to the two bars arranged in pairs, the top of two bar is fastenedly connected by connecting sheet, and the position-limited lever for limiting upset blade limit position arranged vertically is provided with at the middle part of described supporting rod, and a side of described main panel is fixedly connected with sleeve, and described in meet water panel be upset blade tip formed to side bending.
2. a kind of marine tidal-current energy capture mechanism according to claim 1, it is characterized in that, described upset blade for having some strength and corrosion resistant metal blade or alloy vane, and is inlaid with the bushing component carrying out with supporting rod being rotatably assorted in upset blade sleeve.
3. a tidal current energy generating equipment, comprises framework, marine tidal-current energy capture mechanism, driving mechanism and generator, it is characterized in that,
Described marine tidal-current energy capture mechanism is the marine tidal-current energy capture mechanism in claim 1 to 2 described in any one;
Described framework comprises chassis and is welded on the column for supporting miscellaneous part on chassis, described chassis is the housing with inner chamber, and be provided with air ports at the top on described chassis, the bottom on described chassis is provided with intake-outlet, and is respectively arranged with valve in described air ports and intake-outlet; Described chassis is provided with for fixing through hole and fixing drill bit, described drill bit passes through hole and inserts in seabed;
Main shaft two ends in described marine tidal-current energy capture mechanism are arranged on framework column by rotating element is in level, and at least two group marine tidal-current energy capture mechanisms are symmetricly set on the upside of chassis;
Described driving mechanism comprises differential mechanism, coupling and speed increaser, main shaft described in two extends to centre and is connected respectively to the input end of a differential mechanism, the output terminal of described differential mechanism is connected to speed increaser by axle and coupling, described speed increaser is connected with generator, and described generator is positioned at the top of whole electricity generating device.
4. a kind of tidal current energy generating equipment according to claim 3, it is characterized in that, also comprise a fixing assisting agency, described fixing assisting agency is a marine tidal-current energy capture mechanism vertically arranged, socket connection is carried out by square axle structure or spline structure and described drill bit top in described main shaft lower end wherein.
5. a kind of tidal current energy generating equipment according to claim 3 or 4, it is characterized in that, also comprise a lifting mechanism, described lifting mechanism comprises wire rope, winch, guide cylinder and rope sheave, described guide cylinder carries out socket connection by square axle structure or spline structure and described drill bit, described winch is fixed in the installing space of electricity generating device, and after described wire rope is walked around on framework rope sheave, one end is connected to the top of guide cylinder, and the other end is wrapped in winch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410206380.4A CN103953496B (en) | 2014-05-15 | 2014-05-15 | A kind of marine tidal-current energy capture mechanism and electricity generating device |
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| CN201410206380.4A CN103953496B (en) | 2014-05-15 | 2014-05-15 | A kind of marine tidal-current energy capture mechanism and electricity generating device |
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| CN107059711B (en) * | 2017-04-20 | 2019-03-05 | 中广核工程有限公司 | A kind of taking and discharging tunnel Hand scarf device and method |
| CN107059710B (en) * | 2017-04-20 | 2019-03-05 | 中广核工程有限公司 | A kind of taking and discharging tunnel Hand scarf device and method |
| CN113279900B (en) * | 2021-05-25 | 2022-08-16 | 于传祖 | Tidal current energy power generation device |
| CN113931780A (en) * | 2021-11-15 | 2022-01-14 | 嵊泗县洋山镇陈久海洋科技发展有限公司 | Loose-leaf fluid power generator |
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| DE202006019105U1 (en) * | 2006-12-19 | 2007-03-08 | Limbeck, Achim, Dr. | Power machine for use under water has circular plate with at least two horizontal axes in recesses perpendicular to shaft |
| JP2010180873A (en) * | 2009-02-09 | 2010-08-19 | Masaharu Kato | Tidal power generation device |
| CN102996347A (en) * | 2011-08-14 | 2013-03-27 | 北京银万特科技有限公司 | Side-moment vane fluid energy generator |
| CN202645835U (en) * | 2012-06-26 | 2013-01-02 | 上海海洋大学 | Automatic blade opening/closing type ocean current energy power generation device |
| CN103726978A (en) * | 2013-12-10 | 2014-04-16 | 大连春光科技发展有限公司 | Wing wheel structure of self-adaptation sea wave and sea current comprehensive power generation device |
| CN204003256U (en) * | 2014-05-15 | 2014-12-10 | 于传祖 | A kind of marine tidal-current energy capture mechanism and electricity generating device |
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