CN102720627A - Wave power generation system adaptive to tidal fluctuation - Google Patents
Wave power generation system adaptive to tidal fluctuation Download PDFInfo
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- CN102720627A CN102720627A CN2012102159812A CN201210215981A CN102720627A CN 102720627 A CN102720627 A CN 102720627A CN 2012102159812 A CN2012102159812 A CN 2012102159812A CN 201210215981 A CN201210215981 A CN 201210215981A CN 102720627 A CN102720627 A CN 102720627A
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- pendulum
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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
A wave power generation system adaptive to tidal fluctuation comprises a seafloor foundation which is arranged on seabed, two or more than two guide pile legs and a hydraulic lifting system which are fixed on the seafloor foundation respectively, and a support framework which is connected to the top end of the hydraulic lifting system. The support framework is movably connected with the two or more than two guide pile legs and rises and drops along slide ways which are arranged on the guide pile legs driven by the hydraulic lifting system, a swinging plate device which swings with the wave of the sea water and a power generation device which is connected with the swinging plate device are arranged on the support framework, and a tide level sensor which is connected with the hydraulic lifting system through a lead is installed on the part of the swinging plate device above the sea surface. The wave power generation system adopts the automatic hydraulic lifting system, needs no human operation and can adjust the position of the swinging plate device with the tidal fluctuation; moreover, the wave power generation system has advantages of high energy conversion efficiency, simple mechanism, high reliability, low production cost and the like.
Description
Technical field
The present invention relates to the Wave energy generating system that a kind of marine energy utilizes, particularly relate to a kind of employing hydraulic pressure, need not the Wave energy generating system of the adaptation tidal level variation of manual operation from elevating system.
Background technique
Along with development economic and society; Human increasing to demands for energy; And the energy reserves amount in the whole world is limited; Particularly conventional energy resource consumes caused environmental pollution problem excessively and becomes increasingly conspicuous in recent years, makes countries in the world strengthen attention and the input to renewable energy utilization.Wave energy is the renewable energy sources of green, cleaning, zero disposal of pollutants, and its development and use have vast potential for future development.Investigation according to the world energy sources ATSC Advanced Television Systems Committee shows that global available wave energy reaches 2,000,000,000 kilowatts, is equivalent to 2 times of world's electricity productioin.
Offshore bottom-sitting type Wave energy generating system adopts buoyancy pendulum form; To put plate and be connected in the seafloor foundation, the pendulum plate around the balance staff swing, is exported high pressure oil thereby promote oil hydraulic cylinder under the effect of wave; High pressure oil drives oil hydraulic motor, and oil hydraulic motor drives generator for electricity generation.This technology has energy conversion efficiency height, simple, the reliability advantages of higher of mechanism.
But position influence is remarkable because this power generation system is made moist, thereby has reduced the operating time and the energy conversion efficiency of system, makes it lose use value.
Summary of the invention
Technical problem to be solved by this invention is, a kind of Wave energy generating system that energy conversion efficiency height, mechanism is simple, reliability is high adaptation tidal level change that has is provided.
The technological scheme that the present invention adopted is: a kind of Wave energy generating system that adapts to the tidal level variation; Comprise: be arranged on the seafloor foundation above the sea bed; Be separately fixed at guiding spud leg and hydraulic lifting system more than 2 above the seafloor foundation; Be connected the support frame on said hydraulic lifting system top; Described support frame also flexibly connects with guiding spud leg more than 2; And the slideway that is arranged in the driving lower edge of described hydraulic lifting system on this guiding spud leg goes up and down, and described support frame is provided with pendulum panel assembly of swinging with wave and the electricity generating device that links to each other with this pendulum panel assembly, on described pendulum panel assembly, the tide level sensor that is connected through lead with hydraulic lifting system is installed.
Described hydraulic lifting system includes a plurality of plunger cases, correspondence is connected a plurality of plungers and oil feeding reservoirs on said a plurality of plunger case; Wherein, Described a plurality of plunger case is fixed in the seafloor foundation; The top of described a plurality of plungers is fixedly connected on the bottom surface of support frame; The oil-feed port of described oil feeding reservoirs is respectively through many fuel supply lines and corresponding the linking to each other with the filler opening of a plurality of plunger cases of one-way valve on being arranged on each fuel supply line; The return opening of said oil feeding reservoirs is connected the oil outlet of each plunger case respectively through return tube and the liquid level control switch valve on being arranged on return tube, and the signal input part of described liquid level control switch valve connects described tide level sensor.
Described pendulum panel assembly includes pendulum plate and balance staff; Described pendulum plate is through being fixed on hinged being connected on the support frame of balance staff on the support frame; And described pendulum plate is along with tidal change remains with seawater water surface relative position constant; Described pendulum plate is under plumbness, and 2/5～0.5/5 part of pendulum plate exceeds the seawater water surface.
Described pendulum plate optimum depth position is for putting plate under plumbness, and 1/5 of pendulum plate exceeds the seawater water surface.
The oil hydraulic motor that described electricity generating device includes oil hydraulic cylinder, the accumulator that is connected with the output terminal of oil hydraulic cylinder, is connected with the output terminal of accumulator; And the generator that is connected with the output terminal of oil hydraulic motor, the input end of described oil hydraulic cylinder connects the pendulum plate in the pendulum panel assembly.
The Wave energy generating system that adaptation tidal level of the present invention changes has following beneficial effect:
1, adopts hydraulic pressure from elevating system among the present invention, need not manual operation, can change the position of adjustment pendulum panel assembly with tidal level;
2, this technology has energy conversion efficiency height, simple, the reliability advantages of higher of mechanism;
3, each parts are conventional products among the present invention, and convenient production reduces cost.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a pendulum panel assembly side view among the present invention;
Fig. 3 is Wave energy generating system electricity generating principle figure among the present invention;
Fig. 4 be among the present invention hydraulic pressure from the elevating system structural representation;
Fig. 5 be among the present invention hydraulic pressure from the schematic diagram of elevating system.
Among the figure
1: pendulum panel assembly 2: oil hydraulic cylinder
3: guiding spud leg 4: support frame
5: hydraulic lifting system 6: seafloor foundation
7: sea bed 8: tide level sensor
9: the seawater water surface 10: accumulator
11: oil hydraulic motor 12: generator
13: slideway 14: oil feeding reservoirs
15: plunger 16: plunger case
17: liquid level control switch valve 18: one-way valve
19: pendulum plate 20: balance staff
Embodiment
Below in conjunction with embodiment and accompanying drawing the Wave energy generating system that adaptation tidal level of the present invention changes is made detailed description.
Shown in Fig. 1～5; The Wave energy generating system that adaptation tidal level of the present invention changes; Comprise: be arranged on the seafloor foundation 6 above the sea bed 7; Be separately fixed at guiding spud leg more than 23 and hydraulic lifting system 5 above the seafloor foundation 6; Be connected the support frame 4 on said hydraulic lifting system 5 tops, described support frame 4 also flexibly connects with guiding spud leg more than 23, and is arranged on slideway 13 up-downs on this guiding spud leg 3 in the driving lower edge of described hydraulic lifting system 5; Described support frame 4 is provided with pendulum panel assembly of swinging with wave 1 and the electricity generating device that links to each other with this pendulum panel assembly 1, and the tide level sensor 8 that is connected through lead with hydraulic lifting system 5 is installed on described pendulum panel assembly 1.
Like Fig. 4, shown in Figure 5; Described hydraulic lifting system 5 includes a plurality of plunger case 16, correspondence is connected a plurality of plungers 15 and oil feeding reservoirs 14 on said a plurality of plunger case 16; Wherein, Described a plurality of plunger case 16 is fixed in the seafloor foundation 6; The top of described a plurality of plunger 15 is fixedly connected on the bottom surface of support frame 4; The oil-feed port of described oil feeding reservoirs 14 links to each other with corresponding filler openings with a plurality of plunger cases 16 of one-way valve 18 on being arranged on each fuel supply line through many fuel supply lines respectively, and the return opening of said oil feeding reservoirs 14 is connected the oil outlet of each plunger case 16 respectively through return tube and the liquid level control switch valve 17 on being arranged on return tube, and the signal input part of described liquid level control switch valve 17 connects described tide level sensor 8.
As shown in Figure 2; Described pendulum panel assembly 1 includes pendulum plate 19 and balance staff 20, and described pendulum plate 19 is through being fixed on balance staff 20 hinged being connected on the support frame 4 on the support frame 4, and the upper end exceeds the water surface; Pendulum plate 19 can rotate by hinged balance staff 20 around the lower end; And described pendulum plate 19 is constant along with tidal change remains with the seawater water surface 9 relative positions, and described pendulum plate 19 is under plumbness, and 2/5～0.5/5 part of this pendulum plate 19 exceeds the seawater water surface 9; The optimum depth position of pendulum plate 19 is for putting plate 19 under plumbness, and 1/5 of pendulum plate 19 exceeds the seawater water surface 9.
Like Fig. 1, shown in Figure 3; The oil hydraulic motor 11 that described electricity generating device includes oil hydraulic cylinder 2, the accumulator 10 that is connected with the output terminal of oil hydraulic cylinder 2, is connected with the output terminal of accumulator 10; And the generator 12 that is connected with the output terminal of oil hydraulic motor 11, the input end of described oil hydraulic cylinder 2 connects the pendulum plate 19 in the pendulum panel assembly 1.
The Wave energy generating system that adaptation tidal level of the present invention changes; Realized that through parts such as hydraulic lifting system, tide level sensor and slideways Wave energy generating system self adaption tidal level changes; Electricity generating device is turned round under the best effort depth of water all the time, improved the energy conversion efficiency of system.Its working principle is: when tidal level rises; The Wave energy generating system that adaptation tidal level of the present invention changes moves upward under self floating function; Drive connected support frame 4 and move upward along spud leg 4 slideways 13 together, owing to support frame 4 and plunger 15 link together, so in plunger case 16, form negative pressure; Liquid level control switch valve 17 is a normally off at this moment; Oil feeding reservoirs 14 oil pressure are higher than plunger case 16, and one-way valve 18 is opened, and oil feeding reservoirs 14 makes it reach state of equilibrium through one-way valve 18 to plunger case 16 fuel feeding.When tidal level descends; Plunger 15 receives the pressure of pendulum panel assembly 1, makes plunger case 16 internal pressures be higher than oil feeding reservoirs 14 pressure, and this moment, one-way valve 18 was in reverse closed condition; Liquid level control switch valve 17 also is in closed condition; But when reaching setting value along with the reduction of tidal level, thereby tide level sensor 8 starts and transmits signal and open liquid level control switch valve 17 to liquid level control switch valve 17, and hydraulic oil flows to oil feeding reservoirs 14 by plunger case 16 through liquid level control switch valve 17; Thereby reduce oil pressure in the plunger case 16; Plunger 15 drives wave energy generating sets and descends, up to the range recovery of the seawater water surface 9 and pendulum panel assembly 1 upper edge during to initial value, and tide level sensor 8 control liquid level control switch valves 17 outage cut-out oil circuits; Wave energy generating set stops to descend, and wave energy generating set just can be along with tidal change remains with the seawater water surface 9 relative positions constant so repeatedly.
In said process, it is constant with the seawater water surface 9 relative positions that pendulum plate 19 keeps eventually all the time, pendulum plate 19 under the effect of wave around balance staff 20 swings; Thereby promote oil hydraulic cylinder 2 output hydraulic oil; Hydraulic oil gets into accumulator 10 through oil pipe, and accumulator is bladder structure, and accumulator is provided with pressure controlled valve; Hydraulic oil after accumulator 10 superchargings gets into oil hydraulic motor 11, and oil hydraulic motor 11 drives generator 12 generatings.
In a word; The above is merely preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technological scheme of the present invention any simple modification that above embodiment did, the impartial variation and modification.
Claims (5)
1. one kind adapts to the Wave energy generating system that tidal level changes; It is characterized in that; Comprise: be arranged on the seafloor foundation (6) above the sea bed (7); Be separately fixed at guiding spud leg (3) more than 2 and hydraulic lifting system (5) above the seafloor foundation (6); Be connected the support frame (4) on said hydraulic lifting system (5) top; Described support frame (4) also flexibly connects with guiding spud leg (3) more than 2; And the slideway (13) that is arranged in the driving lower edge of described hydraulic lifting system (5) on this guiding spud leg (3) goes up and down, and described support frame (4) is provided with pendulum panel assembly of swinging with wave (1) and the electricity generating device that links to each other with this pendulum panel assembly (1), and the tide level sensor (8) that is connected through lead with hydraulic lifting system (5) is installed on described pendulum panel assembly (1).
2. the Wave energy generating system that adaptation tidal level according to claim 1 changes; It is characterized in that; Described hydraulic lifting system (5) includes a plurality of plunger cases (16), correspondence is connected a plurality of plungers (15) and oil feeding reservoirs (14) on said a plurality of plunger case (16); Wherein, Described a plurality of plunger case (16) is fixed in the seafloor foundation (6); The top of described a plurality of plunger (15) is fixedly connected on the bottom surface of support frame (4); The oil-feed port of described oil feeding reservoirs (14) links to each other with the corresponding filler opening with a plurality of plunger cases (16) of one-way valve (18) on being arranged on each fuel supply line through many fuel supply lines respectively, and the return opening of said oil feeding reservoirs (14) is connected the oil outlet of each plunger case (16) respectively through return tube and the liquid level control switch valve (17) on being arranged on return tube, and the signal input part of described liquid level control switch valve (17) connects described tide level sensor (8).
3. the Wave energy generating system that adaptation tidal level according to claim 1 changes; It is characterized in that; Described pendulum panel assembly (1) includes pendulum plate (19) and balance staff (20); Described pendulum plate (19) is through being fixed on hinged being connected on the support frame (4) of balance staff (20) on the support frame (4); And described pendulum plate (19) is constant along with tidal change remains with the seawater water surface (9) relative position, and described pendulum plate (19) is under plumbness, and 2/5～0.5/5 part of pendulum plate (19) exceeds the seawater water surface (9).
4. the Wave energy generating system that adaptation tidal level according to claim 3 changes is characterized in that, described pendulum plate (19) optimum depth position is for putting plate (19) under plumbness, and 1/5 of pendulum plate (19) exceeds the seawater water surface (9).
5. the Wave energy generating system that adaptation tidal level according to claim 1 changes; It is characterized in that; The oil hydraulic motor (11) that described electricity generating device includes oil hydraulic cylinder (2), the accumulator (10) that is connected with the output terminal of oil hydraulic cylinder (2), is connected with the output terminal of accumulator (10); And the generator (12) that is connected with the output terminal of oil hydraulic motor (11), the input end of described oil hydraulic cylinder (2) connects the pendulum plate (19) in the pendulum panel assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102159812A CN102720627A (en) | 2012-06-27 | 2012-06-27 | Wave power generation system adaptive to tidal fluctuation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102159812A CN102720627A (en) | 2012-06-27 | 2012-06-27 | Wave power generation system adaptive to tidal fluctuation |
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| CN102720627A true CN102720627A (en) | 2012-10-10 |
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| CN2012102159812A Pending CN102720627A (en) | 2012-06-27 | 2012-06-27 | Wave power generation system adaptive to tidal fluctuation |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334867A (en) * | 2013-07-18 | 2013-10-02 | 华北电力大学 | Shore-based type wave energy power generation system adapted to tide level variation |
| CN104329213A (en) * | 2014-10-20 | 2015-02-04 | 中国海洋大学 | Tide level self-adaption device of vibration floater wave power generation device |
| CN104454318A (en) * | 2014-12-03 | 2015-03-25 | 浙江国际海运职业技术学院 | Offshore wave energy conversion and utilization device |
| CN105370488A (en) * | 2014-08-27 | 2016-03-02 | 无锡津天阳激光电子有限公司 | Upper swing plate swinging oil cylinder type sea wave power generator |
| CN105386928A (en) * | 2015-12-07 | 2016-03-09 | 国家海洋局第一海洋研究所 | Oscillating buoy power generation device automatically adapting to tidal level |
| CN105888925A (en) * | 2014-08-27 | 2016-08-24 | 无锡津天阳激光电子有限公司 | Upper swing board straight bar oil cylinder type ocean wave generator |
| WO2017064359A1 (en) * | 2015-10-15 | 2017-04-20 | Aw-Energy Oy | Flow control arrangement in a wave energy recovery apparatus |
| CN106640504A (en) * | 2016-12-01 | 2017-05-10 | 大连理工大学 | Wave direction self-adaptive buoyancy swing type wave energy power generation device |
| CN106837943A (en) * | 2017-03-28 | 2017-06-13 | 四川万冠液压技术股份有限公司 | A kind of hydraulic system of vortex generating device |
| CN107100784A (en) * | 2017-04-24 | 2017-08-29 | 武汉理工大学 | Wave-activated power generation platform lifting turns to Intelligent adjustment control system |
| WO2017174858A1 (en) * | 2016-04-08 | 2017-10-12 | Aw-Energy Oy | Arrangement in a wave energy recovery apparatus and method for operating a wave energy recovery apparatus |
| CN109649596A (en) * | 2019-01-08 | 2019-04-19 | 山东大学 | Submersible device under a kind of wave capture unit |
| CN110132379A (en) * | 2019-04-30 | 2019-08-16 | 国家海洋局烟台海洋环境监测中心站 | The accurate method of float type level meter observation initial value is set |
| CN113339182A (en) * | 2020-03-02 | 2021-09-03 | 赵永亮 | Waterwheel type wave power generation device |
| CN113417792A (en) * | 2021-07-28 | 2021-09-21 | 苗哉翠 | Energy storage device for tidal power generation |
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| US8105052B1 (en) * | 2002-06-24 | 2012-01-31 | Hill Jr Richard Newton | Wave and tide actuated renewable energy pump |
| CN201650574U (en) * | 2010-05-01 | 2010-11-24 | 章煜辉 | Hydraulically-driven floating wave power generator |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334867A (en) * | 2013-07-18 | 2013-10-02 | 华北电力大学 | Shore-based type wave energy power generation system adapted to tide level variation |
| CN103334867B (en) * | 2013-07-18 | 2016-04-20 | 华北电力大学 | Adapt to the bank base formula Wave energy generating system of tidal level change |
| CN105370488A (en) * | 2014-08-27 | 2016-03-02 | 无锡津天阳激光电子有限公司 | Upper swing plate swinging oil cylinder type sea wave power generator |
| CN105888925A (en) * | 2014-08-27 | 2016-08-24 | 无锡津天阳激光电子有限公司 | Upper swing board straight bar oil cylinder type ocean wave generator |
| CN104329213A (en) * | 2014-10-20 | 2015-02-04 | 中国海洋大学 | Tide level self-adaption device of vibration floater wave power generation device |
| CN104329213B (en) * | 2014-10-20 | 2016-08-24 | 中国海洋大学 | The tidal level self-reacting device of oscillating floater wave energy generating set |
| CN104454318A (en) * | 2014-12-03 | 2015-03-25 | 浙江国际海运职业技术学院 | Offshore wave energy conversion and utilization device |
| CN104454318B (en) * | 2014-12-03 | 2016-08-17 | 浙江国际海运职业技术学院 | A kind of coastal waters Wave energy conversion device |
| WO2017064359A1 (en) * | 2015-10-15 | 2017-04-20 | Aw-Energy Oy | Flow control arrangement in a wave energy recovery apparatus |
| CN105386928B (en) * | 2015-12-07 | 2017-07-07 | 国家海洋局第一海洋研究所 | The automatic oscillating floater TRT for adapting to tidal level |
| CN105386928A (en) * | 2015-12-07 | 2016-03-09 | 国家海洋局第一海洋研究所 | Oscillating buoy power generation device automatically adapting to tidal level |
| US10619619B2 (en) | 2016-04-08 | 2020-04-14 | Aw-Energy Oy | Arrangement in a wave energy recovery apparatus and method for operating a wave energy recovery apparatus |
| WO2017174858A1 (en) * | 2016-04-08 | 2017-10-12 | Aw-Energy Oy | Arrangement in a wave energy recovery apparatus and method for operating a wave energy recovery apparatus |
| GB2565927A (en) * | 2016-04-08 | 2019-02-27 | Aw Energy Oy | Arrangement in a wave energy recovery apparatus and method for operating a wave energy recovery apparatus |
| GB2565927B (en) * | 2016-04-08 | 2021-08-25 | Aw Energy Oy | Arrangement in a wave energy recovery apparatus and method for operating a wave energy recovery apparatus |
| CN106640504A (en) * | 2016-12-01 | 2017-05-10 | 大连理工大学 | Wave direction self-adaptive buoyancy swing type wave energy power generation device |
| CN106640504B (en) * | 2016-12-01 | 2022-05-13 | 大连理工大学 | Wave direction self-adaptive buoyancy swing type wave energy power generation device |
| CN106837943A (en) * | 2017-03-28 | 2017-06-13 | 四川万冠液压技术股份有限公司 | A kind of hydraulic system of vortex generating device |
| CN107100784A (en) * | 2017-04-24 | 2017-08-29 | 武汉理工大学 | Wave-activated power generation platform lifting turns to Intelligent adjustment control system |
| CN109649596A (en) * | 2019-01-08 | 2019-04-19 | 山东大学 | Submersible device under a kind of wave capture unit |
| CN109649596B (en) * | 2019-01-08 | 2024-07-09 | 山东大学 | Wave capturing unit submergence device |
| CN110132379A (en) * | 2019-04-30 | 2019-08-16 | 国家海洋局烟台海洋环境监测中心站 | The accurate method of float type level meter observation initial value is set |
| CN113339182A (en) * | 2020-03-02 | 2021-09-03 | 赵永亮 | Waterwheel type wave power generation device |
| CN113417792A (en) * | 2021-07-28 | 2021-09-21 | 苗哉翠 | Energy storage device for tidal power generation |
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Application publication date: 20121010 |