CN102700687A - Pendulum type sea wave energy utilization device based on floating platform - Google Patents
Pendulum type sea wave energy utilization device based on floating platform Download PDFInfo
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- CN102700687A CN102700687A CN2012101788018A CN201210178801A CN102700687A CN 102700687 A CN102700687 A CN 102700687A CN 2012101788018 A CN2012101788018 A CN 2012101788018A CN 201210178801 A CN201210178801 A CN 201210178801A CN 102700687 A CN102700687 A CN 102700687A
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- raft
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- pendulum mass
- floating platform
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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 belongs to the field of marine equipment, particularly relating to a pendulum type sea wave energy utilization device based on a floating platform. The pendulum type sea wave energy utilization device comprises the floating platform (1), a pendulum body (2), a hydraulic cylinder (3), an anchor chain (4) and a high holding power anchor (5) and is characterized in that: the floating platform (1) is provided with a floating platform bottom (7) and a bulge (6) which can adjust the self azimuth and the height; and the floating platform fixed by the anchor chain has a certain movement range and can adjust the self azimuth when the wave coming direction is changed and adjust the self height when the water level is changed due to tide. The invention provides the effective wave energy utilization device, which improves the energy utilization efficiency by adapting to sea waves, and is simple in structure and convenient to manufacture.
Description
Technical field
The invention belongs to Yu Haiyang equipment field, particularly a kind of pendulum-type wave based on raft can use device.
Background technology
Wave is a kind of regenerative resource of cleaning, and China coastline is very long, the wave aboundresources.Therefore, the development wave can evaluation and exploration technology, helps sustainable development, to being significant in future of China.Existing pendulum-type wave power utilization device can be divided into two kinds of suspension pendulum-type and buoyancy pendulum-types; Wherein hanging the pendulum-type wave energy generating set is through converting wave into vertical wave according to ripple condition design-calculated tank; Drive the pendulum mass motion by the crank motion of water particle then, through hydraulic efficiency pressure system transfer of energy is generated electricity to generating set at last at place, vertical wave stationary point.The blue polytechnical university in Japan chamber has built first suspension pendulum-type wave power utilization device in the world in nineteen eighty-three, and its pendulum is wide to be 2m, and installed power is 5kw, and when under design ripple condition, working, overall system efficient reaches about 40%.The blue polytechnical university in Japanese subsequently chamber grinds in Hokkaido again and built 80kw suspension pendulum-type power station, and is Chinese in " eight or five ", the enforcement period of the ninth five-year plan, ground respectively by National Bureau of Oceanography's Ocean Technology Centre and built 8kw and 30kw bank formula suspension swinging type wave energy use device.The shortcoming of this device is to lean against bank and intensity difference.The buoyancy pendulum-type is under the promotion of wave, and the buoyancy pendulum generation kinetic energy that swings back and forth along with the motion of wave generates electricity to generating set through hydraulic system transfers.The buoyancy pendulum wave energy use device that is fixed on the seabed at present has WaveRoller, Britain Aquamarine Power company and the Oyster of Belfast Queen ' s University cooperation research and development and the Frog of Britain's Lancaster University of Finland AW-Energy company.The shortcoming of above technology be need be on the coast or the seabed construct will install fixing; Yet wave can be very serious in decay when transmit on the bank; Wave energy is also very serious to the decay of seabed direction from the sea level, has so just limited the wave energy that can capture, and subsea construction also is difficult to carry out simultaneously.China South China Science & Engineering University has developed a kind of floating array pendulum-type wave-power device, and the buoyancy pendulum has been arranged on " buoyant foundation " that is anchored with the seabed, has overcome the dependence of device to the sea bed basis.But still exist when coming unrestrained direction to change, can not keep wave vertical incidence pendulum mass.Simultaneously, redundant back row's pendulum mass is little to improving the effect of wave ability utilization ratio, can increase the single load bearing of system level direction on the contrary.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art; A kind of removable connection and the pendulum-type wave ability use device based on raft simple in structure are provided; It can utilize raft that the field of application of pendulum-type wave ability use device is expanded to darker marine site by the bank; And self adaptation propagation of ocean waves direction is utilized more wave ability efficiently.
The present invention adopts following technical scheme:
A kind of pendulum-type wave ability use device based on raft comprises raft, pendulum mass, hydraulic actuating cylinder, anchor chain and high holding power anchor.Raft is fixed through anchor chain, and the other end of anchor chain links to each other with high holding power anchor and is fixed on the seabed; Be articulated and connected between pendulum mass and the raft; The two ends of hydraulic actuating cylinder are articulated and connected with pendulum mass and raft respectively.It is characterized in that: raft has raft bottom and the projection that can adjust self azel; Projection on the raft the size perpendicular to propagation of ocean waves direction be the size of the coastal unrestrained direction of propagation in the horizontal surface 16-70 doubly; The balance position of pendulum mass is to be tilted 15 °-40 ° by the always unrestrained direction of vertical direction.
Described a kind of pendulum-type wave based on raft can use device, it is characterized in that: the coastal unrestrained sense of motion of the size of the raft 2-5m that changes from small to big.
Described a kind of pendulum-type wave ability use device based on raft; It is characterized in that: the coastal unrestrained direction of propagation in horizontal surface of the projection on the raft is of a size of 10-20m, and the height that projection surfaces when being of a size of 0.3-0.6m, state of equilibrium perpendicular to propagation of ocean waves direction is 0.2-0.6m.
Described a kind of pendulum-type wave ability use device based on raft, it is characterized in that: adopt single anchor chain one end to connect high holding power anchor and be fixed on the seabed, the other end is connected the flat-bed center position.
Described a kind of pendulum-type wave ability use device based on raft is characterized in that: leave oblique sulculus on the pendulum mass.
When whole electrolyte level did not change, it is motionless that raft keeps basically.Pendulum mass is reciprocally swinging under the driving of wave then, drives the hydraulic actuating cylinder motion be articulated and connected with it, thereby the output high pressure oil can be converted into the hydraulic pressure perhaps sea water desalination etc. of generating electricity then with wave.When morning and evening tides caused electrolyte level to change, the surface volume of part of raft will change, and the difference of suffered buoyancy of raft and gravity will drive raft and reaches state of equilibrium again like this.When the direction of coming wave changes; Raft bottom and the projection moment suffered overbalance that will become with respect to the anchor chain hinge-point; Raft will rotate under such moment loading; Finally make the axis of raft get back on the direction identical, so just make the action section of pendulum mass, keep high capture efficiency all the time perpendicular to unrestrained direction with coming unrestrained direction.The balance position of pendulum mass is by the always unrestrained direction inclination of vertical position certain angle, so just can make the component that gets unrestrained level and vertical direction drive pendulum mass and rotate to same direction, helps to improve the capture efficiency of energy.With the end position of vertical position as pendulum mass, prevent that the pendulum mass restoring force is too little, when pendulum mass can not normally be got back to balance position, gravity can provide certain restoring force.Two row pendulum masses phase difference of half wavelength on propagation of ocean waves direction that front and back are provided with makes platform can cancel out each other by the application force of the horizontal direction of two row pendulum masses, and platform just produces motion hardly in propagation of ocean waves direction.
The invention has the beneficial effects as follows, the present invention newly designed raft structure, removed redundant array pendulum mass, revised the balance position of pendulum mass; Through utilizing raft that the field of application of pendulum-type wave ability use device is expanded to darker marine site by the bank; And raft can be followed the direction of propagation of wave; Guarantee the pendulum mass action section perpendicular to coming unrestrained direction, reached high wave ability capture efficiency; Simple in structure, easy to make, be easy to apply.
Description of drawings
Fig. 1 is the integrally-built scheme drawing of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the structural representation of raft among the present invention.
Fig. 4 is the birds-eye view of Fig. 3.
Fig. 5 is the cutaway view of oblique sulculus in the pendulum mass.
Among the figure, 1-raft, 2-pendulum mass, 3-hydraulic actuating cylinder, 4-anchor chain, 5-high holding power anchor, 6-projection, 7-raft bottom, the oblique sulculus of 8-.
The specific embodiment:
Below in conjunction with accompanying drawing to the detailed description of the invention.
Embodiment 1:
As shown in Figure 1, raft 1 is fixed through anchor chain 4, and the other end of anchor chain 4 links to each other with high holding power anchor 5 and is fixed on the seabed; Be articulated and connected between pendulum mass 2 and the raft 1; The two ends of hydraulic actuating cylinder 3 are articulated and connected with pendulum mass 2 and raft 1 respectively.
As shown in Figure 3, projection 6 is fixedly connected by welding with raft bottom 7.
As shown in Figure 5, leave oblique sulculus 8 on the pendulum mass cross section.
During actual the use, raft 1 is in floating condition, and projection 6 has part to surface.Projection 6 is of a size of 10m in the coastal unrestrained direction of propagation, and when whole electrolyte level did not change, raft 1 suffered buoyancy was constant basically, and vertical direction does not produce motion.2 reciprocally swingings under the driving of wave of pendulum mass drive and 3 motions of its pivotally attached hydraulic actuating cylinder, thereby the output high pressure oil can be converted into that hydraulic pressure can generate electricity then or sea water desalination etc. with wave.The front portion of raft bottom 7 is depended on back 1m than the center-point of the little 2m in rear portion, projection 6 than the hinge-point of anchor chain 4; When the direction of coming wave changes; Raft bottom 7 and the projection 6 moment suffered overbalance that will become with respect to the anchor chain hinge-point, and can make raft 1 produce equidirectional rotation.Finally make the axis of raft 1 get back on the direction identical with coming unrestrained direction, the action section that guarantees pendulum mass 2 keeps high wave ability capture efficiency all the time perpendicular to coming unrestrained direction.When morning and evening tides causes electrolyte level to change; The surface height of part of projection 6 on the raft 1 will be reduced or increased by original 0.2m, and the difference of suffered buoyancy of raft 1 and gravity will drive raft 1 and reaches buoyancy and the mutual balance of gravity again like this.The balance position of pendulum mass 2 is to be tilted 15 ° by the always unrestrained direction of vertical direction, so just can make the component that gets unrestrained level and vertical direction drive pendulum mass 2 and rotate to same direction, helps to improve the capture efficiency of energy.With the end position of vertical direction as pendulum mass 2, be to prevent that pendulum mass 2 restoring forces are too little, pendulum mass 2 can not normally be got back to balance position, and this moment, gravity can provide certain restoring force.The distance of two row pendulum masses 2 phase difference of half wavelength on propagation of ocean waves direction that front and back are provided with makes raft 1 can cancel out each other by the application force of the horizontal direction of two row pendulum masses 2, and raft just produces motion hardly in propagation of ocean waves direction.Along clockwise direction in the rotating process, the oblique sulculus 8 on the pendulum mass 2 diminishes with the angle of current pendulum mass 2 gradually in Fig. 1, and current just diminish from the resistance of oblique sulculus 8 through pendulum mass 2 gradually.When pendulum mass 2 forwarded vertical direction to, resistance just reached minimum value like this, and when wave was too big, a part of current passed pendulum mass 2 from oblique sulculus 8, can play a protective role to pendulum mass 2.
Embodiment 2:
Projection 6 is of a size of 15m in the coastal unrestrained direction of propagation, and the front portion of raft bottom 7 is than the little 3m in rear portion, and the surface height of part of projection 6 is 0.5m, and the balance position of pendulum mass 2 is to be tilted 30 ° by the always unrestrained direction of vertical direction.Other is with embodiment 1.
Embodiment 3:
Projection 6 is of a size of 20m in the coastal unrestrained direction of propagation, and the front portion of raft bottom 7 is than the little 5m in rear portion, and the surface height of part of projection 6 is 0.6m, and the balance position of pendulum mass 2 is to be tilted 40 ° by the always unrestrained direction of vertical direction.Other is with embodiment 1.
Although above the preferred embodiments of the present invention are described, the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, is not restrictive.
Claims (5)
- One kind can use device based on the pendulum-type wave of raft; It comprises raft (1), pendulum mass (2), hydraulic actuating cylinder (3), anchor chain (4) and high holding power anchor (5); Raft (1) is fixed through anchor chain (4), and the other end of anchor chain (4) links to each other with high holding power anchor (5) and is fixed on the seabed; Be articulated and connected between pendulum mass (2) and the raft (1); The two ends of hydraulic actuating cylinder (3) are articulated and connected with pendulum mass (2) and raft (1) respectively; It is characterized in that: raft (1) has raft bottom (7) and the projection (6) that can adjust self azel; Projection (6) on the raft (1) the size perpendicular to propagation of ocean waves direction be the size of the coastal unrestrained direction of propagation in the horizontal surface 16-70 doubly; The balance position of pendulum mass (2) is to be tilted 15 °-40 ° by the always unrestrained direction of vertical direction.
- 2. a kind of pendulum-type wave based on raft according to claim 1 can use device, the coastal unrestrained sense of motion of size that it is characterized in that raft (1) 2-5m that changes from small to big.
- 3. a kind of pendulum-type wave ability use device according to claim 1 based on raft; It is characterized in that: the coastal unrestrained direction of propagation in horizontal surface of the projection (6) on the raft (1) is of a size of 10-20m, and the height that projection (6) surfaces when being of a size of 0.3-0.6m, state of equilibrium perpendicular to propagation of ocean waves direction is 0.2-0.6m.
- 4. a kind of pendulum-type wave ability use device according to claim 1 based on raft; It is characterized in that: adopt single anchor chain (4); One end of anchor chain (4) is fastened on the high holding power anchor (5) in seabed, and the other end is connected the center position of raft (1).
- 5. a kind of pendulum-type wave ability use device based on raft according to claim 1 is characterized in that: leave oblique sulculus (8) on the pendulum mass (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101788018A CN102700687A (en) | 2012-06-01 | 2012-06-01 | Pendulum type sea wave energy utilization device based on floating platform |
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| CN2012101788018A CN102700687A (en) | 2012-06-01 | 2012-06-01 | Pendulum type sea wave energy utilization device based on floating platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832557A (en) * | 2014-03-24 | 2014-06-04 | 长沙理工大学 | Floating type wave energy-wind energy comprehensive utilization platform |
| CN106704087A (en) * | 2017-03-10 | 2017-05-24 | 李广明 | Collision wave power generation device |
| CN106837672A (en) * | 2017-03-10 | 2017-06-13 | 李广明 | One kind swings impacting type wave-power device |
| CN108953047A (en) * | 2017-06-20 | 2018-12-07 | 马立志 | Hang desk-top Wave power generation device |
| CN112836360A (en) * | 2021-01-21 | 2021-05-25 | 国家海洋技术中心 | Wave energy array energy capture density calculation method and device and computer equipment |
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| JPH07158555A (en) * | 1993-12-03 | 1995-06-20 | Ishikawajima Harima Heavy Ind Co Ltd | Ocean structure having wave power utilizing function |
| CN101230828A (en) * | 2007-01-22 | 2008-07-30 | 中国人民解放军海军节能技术研究中心 | Wave motor |
| WO2010007607A1 (en) * | 2008-07-17 | 2010-01-21 | Jospa Limited | A wave energy converter |
| CN201443461U (en) * | 2009-04-23 | 2010-04-28 | 王人庆 | Ocean wave power generator |
| CN202091101U (en) * | 2011-06-03 | 2011-12-28 | 马明辉 | Tidal energy power generation device |
| CN202117839U (en) * | 2011-06-29 | 2012-01-18 | 山东大学 | Floating-type full-hydraulic seawave power generation device |
| CN202670064U (en) * | 2012-06-01 | 2013-01-16 | 山东大学 | Pendulous sea wave energy utilization device based on floating platform |
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2012
- 2012-06-01 CN CN2012101788018A patent/CN102700687A/en active Pending
Patent Citations (7)
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| JPH07158555A (en) * | 1993-12-03 | 1995-06-20 | Ishikawajima Harima Heavy Ind Co Ltd | Ocean structure having wave power utilizing function |
| CN101230828A (en) * | 2007-01-22 | 2008-07-30 | 中国人民解放军海军节能技术研究中心 | Wave motor |
| WO2010007607A1 (en) * | 2008-07-17 | 2010-01-21 | Jospa Limited | A wave energy converter |
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| CN202670064U (en) * | 2012-06-01 | 2013-01-16 | 山东大学 | Pendulous sea wave energy utilization device based on floating platform |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832557A (en) * | 2014-03-24 | 2014-06-04 | 长沙理工大学 | Floating type wave energy-wind energy comprehensive utilization platform |
| CN106704087A (en) * | 2017-03-10 | 2017-05-24 | 李广明 | Collision wave power generation device |
| CN106837672A (en) * | 2017-03-10 | 2017-06-13 | 李广明 | One kind swings impacting type wave-power device |
| CN106837672B (en) * | 2017-03-10 | 2020-06-09 | 李广明 | Swing impact type wave power generation device |
| CN108953047A (en) * | 2017-06-20 | 2018-12-07 | 马立志 | Hang desk-top Wave power generation device |
| CN112836360A (en) * | 2021-01-21 | 2021-05-25 | 国家海洋技术中心 | Wave energy array energy capture density calculation method and device and computer equipment |
| CN112836360B (en) * | 2021-01-21 | 2022-07-05 | 国家海洋技术中心 | Wave energy array energy capture density calculation method and device and computer equipment |
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Application publication date: 20121003 |