CN105089906A - Ocean tidal current energy power generation device - Google Patents
Ocean tidal current energy power generation device Download PDFInfo
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- CN105089906A CN105089906A CN201510220697.8A CN201510220697A CN105089906A CN 105089906 A CN105089906 A CN 105089906A CN 201510220697 A CN201510220697 A CN 201510220697A CN 105089906 A CN105089906 A CN 105089906A
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- blade
- impeller
- current energy
- tidal current
- generating device
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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
- Y02E10/20—Hydro energy
Abstract
The invention relates to an ocean tidal current energy power generation device. The problem that the requirement of an existing tidal current energy power generation device for the set height of impellers in seawater is high is solved. The device comprises a generator, and the generator is connected with impellers immersed in seawater. The device is characterized in that a plurality of off-center V-shaped grooves are evenly distributed in the surfaces of the impellers and extend in the axial direction; blades capable of being buckled/unfolded in a swing manner are arranged in the V-shaped grooves, and swing shafts of the blades are arranged along the bottoms of the V-shaped grooves; buckling faces and unfolding faces are arranged on the two side walls of the V-shaped grooves respectively; the included angle between the unfolding faces and the radial planes of the impellers is smaller than that between the buckling faces and the radial planes of the impellers; when the impellers are attached to the buckling faces, the radial distance between the outer ends of the blades and the centers of the impellers is the minimum; and when the impellers are attached to the unfolding faces, the radial distance between the outer ends of the blades and the centers of the impellers is maximal. The blades are of a hollow structure, extending blades are arranged in inner cavities in a clamping manner, and when the blades are unfolded and bumped, the extending blades can stretch out of the outer ends of the blades. Through the blades driven by ocean current to be unfolded and buckled, the impellers of the power generation device can adapt to ocean current in any direction for power generation.
Description
Technical field
The present invention relates to a kind of electricity generating device utilizing ocean current, particularly a kind of Ocean Tidal Current Energy electricity generating device.
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.
Traditional electricity generating device utilizing Ocean Tidal Current Energy to generate electricity, the power takeoff device that general impeller promotes as marine tidal-current energy, need to keep electricity generating device impeller partly to bubble through the water column, the blade of such impeller bottom is subject to trend impact rotation and generates electricity, and such structure requires high to electricity generating device relative to the height and position on sea.CN102758719A patent application document disclosed in 31 days October in 2012 of Patent Office of the People's Republic of China, name is called tidal power generating device, and this device utilizes two impeller units floating on sea, and promoted by forward and reverse tidal flow respectively, drive electrical generators generates electricity.This device needs at floating on water, for boats and ships and sea-based platform, is difficult to determine setting height(from bottom), or needs very complicated controlling device, to adapt to underwater penetration requirement; Moreover this device impeller direction is fixed, use on bank and have metastable tide direction, problem is not obvious, but uses on boats and ships, and the relative angle moment of boats and ships and trend changes, and blade angle cannot adapt to the change of direction of tide.
Summary of the invention
The object of the invention is to solve existing tidal current energy generating equipment and high problem is required to impeller rational height in the seawater, provide a kind of impeller can adapt to the Ocean Tidal Current Energy electricity generating device of the various degree of depth and various direction of tide.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Ocean Tidal Current Energy electricity generating device, comprise generator, generator is connected with the impeller immersed in seawater, 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.Impeller is put into seawater completely, and it is deployed condition that the blade of impeller along direction of tide side is promoted to fit to V-shaped groove developed surface by trend, bears the thrust of trend; The blade of side, direction then is oppositely promoted to cling on V-shaped groove buckling surface by trend against the grain, and do not formed trend and stop, in the process of wheel rotation, blade constantly launches according to direction of tide, fasten, drives impeller is rotated.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 direction of tide, 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 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.No matter how direction of tide changes this device, impeller all can be made to rotate towards a direction, generate electricity.This device can also make the blade of expansion receive impact force large time can extend, raise the efficiency.
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 trend.
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.Direction and the change in flow of sea tide are indefinite, 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, oil pump is by independent impeller-driven, and oil pump impeller is identical with generator impeller structure, and 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 trend to drive driving machine oil return line simultaneously, replace electric pump, conservation of power.
The present invention adopts and drives by sea tide the blade launching and fasten, and the trend making the impeller of electricity generating device can adapt to any direction generates electricity; Extend the mode of sheet by sandwiched in blade, make blade receive trend impact large in, extending leaf can stretch out, and strengthens lifting surface area, improves wheel speed.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is blade wheel structure schematic diagram of the present invention.
Fig. 3 is face of blade structural drawing of the present invention.
Fig. 4 is blade structure sectional view of the present invention.
Fig. 5 is the A place schematic enlarged-scale view of Fig. 4 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.
Embodiment
Below by specific embodiment, also the present invention is further described by reference to the accompanying drawings.
Embodiment: a kind of Ocean Tidal Current Energy electricity generating device, as shown in Figure 1.This device comprises generator 2 and oil pump 10.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.Oil pump is connected with independently oil pump impeller 4, and 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.
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 2,4, impeller 4 surface is uniform offers biased 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. 3,4,5, 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.
Impeller is put into seawater completely, and it is deployed condition that the blade of impeller along direction of tide side is promoted to fit to V-shaped groove developed surface by trend, bears the thrust of trend; The blade of side, direction then is oppositely promoted to cling on V-shaped groove buckling surface by trend against the grain, and do not formed trend and stop, in the process of wheel rotation, blade constantly launches according to direction of tide, fasten, drives impeller is rotated.When blade is pushed laminating V-shaped groove developed surface in face of direction of tide, 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 drag-line stretches out from the outer end of blade, the power that trend impacts 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.No matter how direction of tide changes this device, impeller all can be made to rotate towards a direction, generate electricity.
Claims (10)
1. an Ocean Tidal Current Energy electricity generating device, comprise generator, generator is connected with the impeller immersed in seawater, 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. Ocean Tidal Current Energy electricity generating device 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. Ocean Tidal Current Energy electricity generating device 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. the Ocean Tidal Current Energy electricity generating device 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. the Ocean Tidal Current Energy electricity generating device 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. the Ocean Tidal Current Energy electricity generating device 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. the Ocean Tidal Current Energy electricity generating device 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. Ocean Tidal Current Energy electricity generating device 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. the Ocean Tidal Current Energy electricity generating device 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. the Ocean Tidal Current Energy electricity generating device according to claim 1 or 2 or 3, it is characterized in that: also comprise oil pump, oil pump is by independent impeller-driven, 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 |
|---|---|---|---|
| CN201510220697.8A CN105089906A (en) | 2015-05-05 | 2015-05-05 | Ocean tidal current energy power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220697.8A CN105089906A (en) | 2015-05-05 | 2015-05-05 | Ocean tidal current energy power generation device |
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| CN105089906A true CN105089906A (en) | 2015-11-25 |
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| CN201510220697.8A Pending CN105089906A (en) | 2015-05-05 | 2015-05-05 | Ocean tidal current energy power generation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043425A (en) * | 2019-04-24 | 2019-07-23 | 河海大学 | A kind of offshore floating type multi-wind wheel wind energy conversion system active yawing system |
| CN110617593A (en) * | 2019-08-21 | 2019-12-27 | 金陵科技学院 | Hydraulic humidifier and humidifying method thereof |
| CN113719401A (en) * | 2021-09-08 | 2021-11-30 | 东北石油大学 | Vertical rotary impeller type ocean tidal current energy power generation device |
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| FR2328861A2 (en) * | 1974-11-04 | 1977-05-20 | Morin Bernard | Turbine mounted on water body bed - has cellular concrete discs with radial arms carrying aerodynamic blades with transverse holes |
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| CN102449299A (en) * | 2009-05-30 | 2012-05-09 | 正勋·金 | River-flow electricity generation |
| DE202014001111U1 (en) * | 2014-02-06 | 2014-03-12 | Francesco Paolo Monteleone | Underwater turbine |
| CN203570495U (en) * | 2013-11-25 | 2014-04-30 | 刘运武 | Open-close type blade water turbine |
| CN104471239A (en) * | 2012-07-19 | 2015-03-25 | 亨伯特·安东尼奥·鲁比奥 | Vertical axis wind and hydraulic turbine with flow control |
| CN204267366U (en) * | 2014-11-15 | 2015-04-15 | 温岭市灵其防爆机电有限公司 | A kind of flexible controlled flabellum |
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2015
- 2015-05-05 CN CN201510220697.8A patent/CN105089906A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2328861A2 (en) * | 1974-11-04 | 1977-05-20 | Morin Bernard | Turbine mounted on water body bed - has cellular concrete discs with radial arms carrying aerodynamic blades with transverse holes |
| CN2048901U (en) * | 1989-05-17 | 1989-12-06 | 张世先 | Turbo wheel with movable vane |
| CN102449299A (en) * | 2009-05-30 | 2012-05-09 | 正勋·金 | River-flow electricity generation |
| CN104471239A (en) * | 2012-07-19 | 2015-03-25 | 亨伯特·安东尼奥·鲁比奥 | Vertical axis wind and hydraulic turbine with flow control |
| CN203570495U (en) * | 2013-11-25 | 2014-04-30 | 刘运武 | Open-close type blade water turbine |
| DE202014001111U1 (en) * | 2014-02-06 | 2014-03-12 | Francesco Paolo Monteleone | Underwater turbine |
| CN204267366U (en) * | 2014-11-15 | 2015-04-15 | 温岭市灵其防爆机电有限公司 | A kind of flexible controlled flabellum |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043425A (en) * | 2019-04-24 | 2019-07-23 | 河海大学 | A kind of offshore floating type multi-wind wheel wind energy conversion system active yawing system |
| CN110043425B (en) * | 2019-04-24 | 2020-12-29 | 河海大学 | Active yawing system of offshore floating type multi-wind-wheel wind turbine |
| CN110617593A (en) * | 2019-08-21 | 2019-12-27 | 金陵科技学院 | Hydraulic humidifier and humidifying method thereof |
| CN113719401A (en) * | 2021-09-08 | 2021-11-30 | 东北石油大学 | Vertical rotary impeller type ocean tidal current energy power generation device |
| CN113719401B (en) * | 2021-09-08 | 2023-06-30 | 东北石油大学 | Vertical rotary impeller type ocean tidal current energy power generation device |
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Application publication date: 20151125 |