CN105089916A - Ocean wave energy power generation device - Google Patents
Ocean wave energy power generation device Download PDFInfo
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- CN105089916A CN105089916A CN201510220696.3A CN201510220696A CN105089916A CN 105089916 A CN105089916 A CN 105089916A CN 201510220696 A CN201510220696 A CN 201510220696A CN 105089916 A CN105089916 A CN 105089916A
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- blade
- impeller
- wave energy
- generator
- shaped groove
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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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Abstract
The invention relates to an ocean wave energy power generation device. By the adoption of the ocean wave energy power generation device, the problems that reciprocating swinging is adopted by most existing wave energy power generation devices, efficiency is low, and losses of a power generator are large are solved. The ocean wave energy power generation device comprises a floating body which floats on the sea. A power generator is arranged in the floating body and connected with impellers horizontally stretching out of the floating body from the side faces. The ocean wave energy power generation device is characterized in that a plurality of off-center V-shaped grooves are evenly formed in the surface of the impeller and extend in the axial direction, blades which can swing to be buckled/unfolded are arranged in the V-shaped grooves, swinging shafts of the blades are arranged along the bottom of the V-shaped grooves, and the two side walls of each V-shaped groove are a buckled surface and an unfolded surface respectively; extension blades which can stretch out from the outer ends of the blades and are used for enlarging stress areas of the blades are further arranged in an inner cavity of the impeller in a clamped mode. According to the ocean wave energy power generation device, the impeller is kept rotating in one direction all the time in the waving process; in addition, the impeller can be propelled in a complex ocean current and wave flow combined form, the extension blades can stretch out when the blades are unfolded, and energy collection efficiency is improved.
Description
Technical field
The present invention relates to a kind of electricity generating device utilizing marine energy, particularly a kind of electric generator using sea wave energy.
Background technique
In ocean, the huge energy is all contained in the tide is flowing and ebbing, ocean current flowing, heaving of the sea, in today of energy growing tension, marine energy is a huge treasure-house, ocean tidal power, wave energy cleanliness without any pollution, and potential is huge, and the exploitation of people to marine energy at present is also only a drop in the ocean.
At present for the utilization of ocean wave energy, conventional thought is the float arranging band electricity generating device, utilizes the fluctuating of wave to drive pendulum to swing, drives generator operation.CN103206338A patent application document disclosed in 17 days July in 2013 of Patent Office of the People's Republic of China, describe a kind of wave energy generating set, this device is exactly utilize the pendulum in float rise and fall on the waves and swing, and utilizes to swing to drive axis of rotation to generate electricity.Heaving of the sea can be considered a kind of to-and-fro motion, it is also a kind of to-and-fro motion that pendulum swings, to-and-fro motion needs to consume a large amount of energy in the process turned to, that is, a large amount of wave energies is diverted and consumes in pendulum reciprocatory movement, and pendulum swings-stops-process that turning in, generator speed change greatly, also has impact to organism life-span.
Summary of the invention
The object of the invention is to solve existing wave-energy power generation adopts swing back and forth mostly, and efficiency is low, the problem large to generator loss, provides a kind of electric generator using sea wave energy utilizing impeller to keep a direction rotation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electric generator using sea wave energy, comprise the buoyancy aid floated across the sea, generator is provided with in buoyancy aid, generator is connected with the impeller that level from the side stretches out buoyancy aid, described impeller surface is uniform offers some biased V-shaped grooves, V-shaped groove extends vertically, be provided with in V-shaped groove swingable fasten launch blade, the swing axis of blade is arranged along the bottom land of V-shaped groove, the two side of V-shaped groove is respectively buckling surface and developed surface, the angle of developed surface and impeller radial direction is less than the angle of buckling surface and impeller radial direction, impeller recline buckling surface time, the radial distance of blade outer end and impeller central is minimum, during impeller laminating developed surface, the radial distance of blade outer end and impeller central is maximum, described blade is outer end opening hollow shelly, the blade inner chamber of hollow is also folded with the prolongation leaf that can stretch out from blade outer end, elastic tension apparatus is provided with between the root of described prolongation leaf and blade inner chamber, described root of blade is provided with the weep hole of some through blade inner chambers and bi-side at the height of fitting with developed surface, and the inner chamber of described blade is provided with by the side of blade outer end the limited post that restriction extends blade root retracted position at weep hole.Buoyancy aid floats across the sea, impeller from the side level stretches out, impeller partly can be exposed at more than the water surface, also can below seawater levels, in vane rotary process, side is uplifted side, side is decline side, drive by wave and ocean current and be divided into three kinds of situations: 1, in wave uphill process, it is deployed condition that the blade of impeller uplifted side is promoted to fit to V-shaped groove developed surface by the wave risen, and bears the buoyancy of wave; The blade of side of declining then is oppositely promoted to cling on V-shaped groove buckling surface by the wave risen, and is not formed stop the wave risen; 2, in wave decline process, it is deployed condition that the blade of impeller decline side is promoted to fit to V-shaped groove developed surface by the wave fallen, and bears the gravity that wave falls; The blade of uplifted side then is oppositely promoted to cling on V-shaped groove buckling surface by the wave fallen, and is not formed the wave fallen and stops; 3, the effect of ocean current, if impeller is partly exposed on the water surface, when wheel rotation direction is along ocean current direction, the blade of impeller bottom side is promoted to launch by ocean current, and when wheel rotation direction is against ocean current direction, then the blade of impeller bottom side is promoted to fasten by ocean current; If impeller does not have below upstream face completely, then regardless of wheel rotation direction, the blade along ocean current direction is promoted to launch by ocean current, and the blade against ocean current direction is promoted to fasten by ocean current.On sea, wave and ocean current situation are complicated, but no matter how above three kinds of states combine, and the impeller of this device always keeps a sense of rotation, decrease the energy loss that turns to and the impact to body.For individual blade, limited post restriction extends the root position of leaf, prolongation leaf is in outside weep hole and can not stops weep hole, when blade is pushed laminating V-shaped groove developed surface in face of water (flow) direction, one end of weep hole is unfolded face and blocks, now, outwards promote to extend leaf in blade interior after seawater enters weep hole, the pulling force making prolongation leaf overcome elastic tension apparatus stretches out from the end of blade, add the lifting surface area of big leaf's slice, the power of water impact blade is larger, and the length that prolongation leaf stretches out is also longer, and the Driving force that impeller is subject to is also larger; When leaf abscission developed surface, weep hole two ends are through, and seawater gushes from weep hole, extend leaf and retract.
As preferably, with impeller central and V-shaped groove bottom land line for reference line, V-shaped groove buckling surface and developed surface are positioned at the same side of reference line.All be positioned at reference line the same side during mounted blade and when fastening, do not cross radial transition point, impact little when fastening and deployed condition are converted, the energy of loss is also little.Meanwhile, working surface and the impeller tangent line angle of impeller deployed condition are less than 90 degree, play conflux effect, make full use of water flow impact pressure.
As preferably, during described blade laminating buckling surface, the outer end of blade protrudes from outside the outer contour of impeller.Blade outer end is slightly outstanding impeller surface when fastening, and when making blade rotation arrive downbeam, can promote to launch rapidly by seawater.
As preferably, described blade is arc, and blade concavity is facing to buckling surface, and buckling surface is protruding outer arced surface, and the cambered surface radius of described buckling surface is less than the cambered surface radius of blade.Making can not fit with buckling surface during blade buckling state completely causes mounted resistance excessive.
As preferably, the surface of described developed surface and the surface configuration of blade corresponding position adaptive.The blade pressure of deployed condition is comparatively large, and therefore developed surface is designed to the cambered surface identical with the plane of blade adaptation or radian, forms large-area stable support.
As preferably, the length of described prolongation leaf is no more than the distance between limited post and blade outer end.Make in the complete retraction blade inner chamber of prolongation leaf energy when blade clings to buckling surface.
As preferably, described elastic tension apparatus comprises and is arranged on pre-mandrel in swing axis and drag-line, and pre-mandrel and swing axis are coaxially arranged and by torsion spring pretension, the winding of drag-line one end is on pre-mandrel, and the other end is fixed on the root extending leaf.By the pretension of pre-mandrel with rotate the prolongation leaf that furthers, the rotation due to pre-mandrel is that two ends are synchronous, synchronization telescope on the width direction that can ensure to extend leaf.
As preferably, described drag-line is provided with many, and at prolongation blade root spaced set, described drag-line is connected from the position between weep hole with prolongation blade root.
As preferably, connected between described generator and impeller by the ratchet of single-direction transmission, the opposite side of described generator is also connected with flywheel.Wave and ocean current come and go, and when wheel speed is less than Speed of Reaction Wheels, ratchet is thrown off, and flywheel utilizes inertia drive electrical generators to generate electricity, and when Speed of Reaction Wheels drops to wheel speed, ratchet is connection for transmission again.
As preferably, also comprise oil pump in buoyancy aid, oil pump is by stretching out separately the impeller-driven outside buoyancy aid, and oil pump impeller is identical with generator impeller structure, described oil pump is generator pumping machine oil, and the machine oil of generator is back to the fuel tank forming machine oil return line of oil pump.Utilize wave and ocean current driving machine oil return line simultaneously, replace electric pump, conservation of power.
The present invention adopts impeller to collect wave energy, and wave drives the blade launching and fasten impeller, and the impeller of water turbine can be remained in heaving of the sea process, and a direction rotates; Meanwhile, the present invention can also utilize the energy of ocean current to promote impeller while utilizing wave energy, adapts to the wave of various complexity, ocean current situation; The present invention have also been devised the blade that band extends leaf, and after mounted blade, extend leaf can extend under seawater drives, and improves efficiency of energy collection.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is wave uphill process impeller view of the present invention.
Fig. 3 is wave decline process impeller view of the present invention.
Fig. 4 is the impeller view of the present invention under ocean current effect.
Fig. 5 is face of blade structural drawing of the present invention.
Fig. 6 is blade interior structural representation of the present invention.
Fig. 7 is A place schematic enlarged-scale view in Fig. 6 of the present invention.
In figure: 1. flywheel, 2. generator, 3. ratchet, 4. impeller, 5. blade, 6. developed surface, 7. buckling surface, 8. swing axis, 9. weep hole, 10. oil pump, 11. extend leaf, 12. pre-mandrels, 13. drag-lines, 14. limited posts, 15. buoyancy aids.
Embodiment
Below by specific embodiment, also the present invention is further described by reference to the accompanying drawings.
Embodiment: a kind of electric generator using sea wave energy, as shown in Figure 1.This device comprises the buoyancy aid 15 swum on the seawater water surface, is provided with generator 2 and oil pump 10 in buoyancy aid.The side of generator is provided with the flywheel 1 of Great inertia, and opposite side connects the impeller 4 of generator by the ratchet of single-direction transmission, and impeller from the side level stretches out buoyancy aid and partly submerges in seawater.Oil pump is connected with independently oil pump impeller 4, the impeller of oil pump is in buoyancy aid equally and partly submerges outward in seawater, oil pump is generator, ratchet pumping machine oil by oil pump impeller-driven, and the machine oil of generator, ratchet is back to oil pump fuel tank and forms loop.Impeller also can be arranged on the b.s.l. that submerges completely.
The impeller 4 of generator is identical with impeller 4 structure of oil pump, sets forth structure below for generator impeller.As shown in Figure 2,3, 4, impeller 4 surface uniform offers V-shaped groove, and V-shaped groove is along impeller shaft to setting, and a sidewall of V-shaped groove is developed surface 6, and opposite side is buckling surface 7, and developed surface and radial angle are less than buckling surface and radial angle.And with impeller central and V-shaped groove bottom land line for reference line, V-shaped groove buckling surface and developed surface are positioned at the same side of reference line.Blade 5 swings and is arranged in V-shaped groove, and the swing axis 8 of blade is arranged along the bottom land of V-shaped groove.Blade recline buckling surface time, the radial distance of blade outer end and impeller central is minimum, impeller laminating developed surface time, the radial distance of blade outer end and impeller central is maximum.Blade 5 is arc shaped blade, and blade concavity is facing to buckling surface 7.The arc radius of buckling surface is less than the arc radius of blade, and the arc radius of developed surface is consistent with blade arc radius.Blade recline buckling surface time, can not fit completely, and the outer end of blade protrudes from the outer contour of impeller.During blade laminating developed surface, root of blade and developed surface forming surface of fitting completely supports.Root of blade and developed surface bonding position offer a row weep hole 9.
As shown in Fig. 5,6,7, blade 5 is the hollow structure of outer end opening, and the inner chamber of blade is folded with the prolongation leaf 11 that can stretch from blade outer end opening.Swing axis 8 is hollow shaft, and swing axis inside is coaxially arranged with pre-mandrel 12, and pre-mandrel produces pretightening force by torsion spring.One end winding of drag-line 13 is on pre-mandrel, and the other end fixes the root extending leaf, and drag-line is provided with many, and the width direction axially namely extending leaf along pre-mandrel is equidistantly uniform.The inner chamber of the through blade of weep hole 9 and both sides, blade inner chamber is provided with limited post 14 at weep hole near the side of outer end, for limiting the position extending blade root and inside contract, makes prolongation leaf block weep hole.The length of prolongation leaf is no more than the distance between limited post and blade outer end.
In vane rotary process, side is uplifted side, and side is decline side, drives and is divided into three kinds of situations: 1, in wave uphill process by wave and ocean current, it is deployed condition that the blade of impeller uplifted side is promoted to fit to V-shaped groove developed surface by the wave risen, and bears the buoyancy of wave; The blade of side of declining then is oppositely promoted to cling on V-shaped groove buckling surface by the wave risen, and is not formed stop the wave risen; 2, in wave decline process, it is deployed condition that the blade of impeller decline side is promoted to fit to V-shaped groove developed surface by the wave fallen, and bears the gravity that wave falls; The blade of uplifted side then is oppositely promoted to cling on V-shaped groove buckling surface by the wave fallen, and is not formed the wave fallen and stops; 3, the effect of ocean bottom currents, if impeller is partly exposed on the water surface, when wheel rotation direction is along ocean current direction, the blade of impeller bottom side is promoted to launch by ocean current, and when wheel rotation direction is against ocean current direction, then the blade of impeller bottom side is promoted to fasten by ocean current; If impeller does not have below upstream face completely, then regardless of wheel rotation direction, the blade along ocean current direction is promoted to launch by ocean current, and the blade against ocean current direction is promoted to fasten by ocean current.On sea, wave and ocean current situation are complicated, but no matter how above three kinds of states combine, and the impeller of this device always keeps a sense of rotation, decrease the energy loss that turns to and the impact to body.Further, when blade is pushed laminating V-shaped groove developed surface in face of seawater direction, one end of weep hole is unfolded face and blocks, now, outwards promote to extend leaf at blade inner chamber after seawater enters weep hole, the pulling force making prolongation leaf overcome drag-line stretches out from the outer end of blade, and the power that trend impacts blade is larger, the length that prolongation leaf stretches out is also longer, and the Driving force that impeller is subject to is also larger; When leaf abscission developed surface, weep hole two ends are through, and seawater gushes from weep hole, extend leaf and retract.
Claims (10)
1. an electric generator using sea wave energy, comprise the buoyancy aid floated across the sea, generator is provided with in buoyancy aid, generator is connected with the impeller that level from the side stretches out buoyancy aid, it is characterized in that: described impeller surface is uniform offers some biased V-shaped grooves, V-shaped groove extends vertically, be provided with in V-shaped groove swingable fasten launch blade, the swing axis of blade is arranged along the bottom land of V-shaped groove, the two side of V-shaped groove is respectively buckling surface and developed surface, the angle of developed surface and impeller radial direction is less than the angle of buckling surface and impeller radial direction, impeller recline buckling surface time, the radial distance of blade outer end and impeller central is minimum, during impeller laminating developed surface, the radial distance of blade outer end and impeller central is maximum, described blade is outer end opening hollow shelly, the blade inner chamber of hollow is also folded with the prolongation leaf that can stretch out from blade outer end, elastic tension apparatus is provided with between the root of described prolongation leaf and blade inner chamber, described root of blade is provided with the weep hole of some through blade inner chambers and bi-side at the height of fitting with developed surface, and the inner chamber of described blade is provided with by the side of blade outer end the limited post that restriction extends blade root retracted position at weep hole.
2. a kind of electric generator using sea wave energy according to claim 1, is characterized in that: with impeller central and V-shaped groove bottom land line for reference line, V-shaped groove buckling surface and developed surface are positioned at the same side of reference line.
3. a kind of electric generator using sea wave energy according to claim 1, is characterized in that: during described blade laminating buckling surface, the outer end of blade protrudes from outside the outer contour of impeller.
4. a kind of electric generator using sea wave energy according to claim 1 or 2 or 3, is characterized in that: described blade is arc, and blade concavity is facing to buckling surface, and buckling surface is protruding outer arced surface, and the cambered surface radius of described buckling surface is less than the cambered surface radius of blade.
5. a kind of electric generator using sea wave energy according to claim 1 or 2 or 3, is characterized in that: the surface of described developed surface and the surface configuration adaptation of blade corresponding position.
6. a kind of electric generator using sea wave energy according to claim 1 or 2 or 3, is characterized in that: the length of described prolongation leaf is no more than the distance between limited post and blade outer end.
7. a kind of electric generator using sea wave energy according to claim 1 or 2 or 3, it is characterized in that: described elastic tension apparatus comprises and is arranged on pre-mandrel in swing axis and drag-line, pre-mandrel and swing axis are coaxially arranged and by torsion spring pretension, the winding of drag-line one end is on pre-mandrel, and the other end is fixed on the root extending leaf.
8. a kind of electric generator using sea wave energy according to claim 7, is characterized in that: described drag-line is provided with many, and at prolongation blade root spaced set, described drag-line is connected from the position between weep hole with prolongation blade root.
9. a kind of electric generator using sea wave energy according to claim 1 or 2 or 3, it is characterized in that: connected by the ratchet of single-direction transmission between described generator and impeller, the opposite side of described generator is also connected with flywheel.
10. a kind of electric generator using sea wave energy according to claim 1 or 2 or 3, it is characterized in that: in buoyancy aid, also comprise oil pump, oil pump is by stretching out separately the impeller-driven outside buoyancy aid, oil pump impeller is identical with generator impeller structure, described oil pump is generator pumping machine oil, and the machine oil of generator is back to the fuel tank forming machine oil return line of oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220696.3A CN105089916A (en) | 2015-05-05 | 2015-05-05 | Ocean wave energy power generation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510220696.3A CN105089916A (en) | 2015-05-05 | 2015-05-05 | Ocean wave energy power generation device |
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| CN201510220696.3A Pending CN105089916A (en) | 2015-05-05 | 2015-05-05 | Ocean wave energy power generation device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481500A (en) * | 2016-10-20 | 2017-03-08 | 浙江海洋大学 | Wave-power device and control method |
| CN106499572A (en) * | 2016-10-18 | 2017-03-15 | 浙江海洋大学 | Intelligent wave-power device and its control method |
| CN106499571A (en) * | 2016-10-18 | 2017-03-15 | 浙江海洋大学 | Wave power generation device and method |
| CN106560614A (en) * | 2016-10-18 | 2017-04-12 | 浙江海洋大学 | Elevation type wave power generation device and control method thereof |
| CN107257887A (en) * | 2015-02-16 | 2017-10-17 | 吴宅根 | Hydroelectric installation for pipeline |
| CN108397341A (en) * | 2018-03-05 | 2018-08-14 | 汪鸣飞 | A kind of swing blade type wave energy generating set |
| CN111596023A (en) * | 2020-06-03 | 2020-08-28 | 陈亚 | Cloud service control submersible water quality monitoring equipment |
| CN112682243A (en) * | 2020-12-30 | 2021-04-20 | 陕西科技大学 | Hydraulic power generation device with buoyancy lifting driving shaft and gravity telescopic blades |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107257887A (en) * | 2015-02-16 | 2017-10-17 | 吴宅根 | Hydroelectric installation for pipeline |
| CN107257887B (en) * | 2015-02-16 | 2019-06-04 | 吴宅根 | Hydroelectric installation for pipeline |
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| CN106499572B (en) * | 2016-10-18 | 2018-12-04 | 浙江海洋大学 | Intelligent wave-power device and its control method |
| CN106499571A (en) * | 2016-10-18 | 2017-03-15 | 浙江海洋大学 | Wave power generation device and method |
| CN106499572A (en) * | 2016-10-18 | 2017-03-15 | 浙江海洋大学 | Intelligent wave-power device and its control method |
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| CN108397341A (en) * | 2018-03-05 | 2018-08-14 | 汪鸣飞 | A kind of swing blade type wave energy generating set |
| CN111596023A (en) * | 2020-06-03 | 2020-08-28 | 陈亚 | Cloud service control submersible water quality monitoring equipment |
| CN111596023B (en) * | 2020-06-03 | 2022-09-20 | 深圳市天地互通科技有限公司 | Cloud service control submersible water quality monitoring equipment |
| CN112682243A (en) * | 2020-12-30 | 2021-04-20 | 陕西科技大学 | Hydraulic power generation device with buoyancy lifting driving shaft and gravity telescopic blades |
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