CN104234922A - Oscillation float type wave energy collection device - Google Patents
Oscillation float type wave energy collection device Download PDFInfo
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- CN104234922A CN104234922A CN201410464440.2A CN201410464440A CN104234922A CN 104234922 A CN104234922 A CN 104234922A CN 201410464440 A CN201410464440 A CN 201410464440A CN 104234922 A CN104234922 A CN 104234922A
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- wave energy
- cylinder
- hydraulic cylinder
- collecting device
- type wave
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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 discloses an oscillation float type wave energy collection device, which comprises rails and a machine frame, wherein the rails are paved on a bank base, the machine frame slides along the rails, the interior of the machine frame is fixedly provided with a cylinder, the bottom part of the cylinder is sealed and is immersed in water, the wall surface of the cylinder is provided with a water inlet facing the wave, the interior of the cylinder is provided with a float which floats along with the water surface, the interior of the machine frame is also provided with a first hydraulic cylinder, the bottom of a piston rod of the first hydraulic cylinder is connected with the float, a cylinder body of the first hydraulic cylinder is connected with a water suction pipe and a water outlet pipe, the water suction pipe is provided with check valves, the water outlet pipe is connected with hydraulic control valves, a buoy is arranged under the machine frame, and a height adapting device is arranged on the machine frame and the rails, and is used for adjusting the position of the machine frame. The wave energy collection device has the advantages that the device can adapt to the change of the sea level height, and adjust the self height according to the change of tide level, and the limitation of wave peak size can be solved by the size of the float; the device works when the buoyancy of the float is maximum, and the stable pressure output of seawater is maintained by the hydraulic control valves.
Description
Technical field
The invention belongs to Wave energy collecting device, particularly relate to a kind of oscillating float type Wave energy collecting device.
Background technique
The energy that wave contains mainly refers to the kinetic energy that ocean surface wave wave has and potential energy.The billow that typhoon causes, its specific power can reach every meter and meet the thousands of kW in corrugated, and the European Beihai Region that wave energy is abundant, its annual mean wave power is also only 20 ~ 40kW/m
2, Chinese coastline most annual mean wave power density is 2 ~ 7kW/m
2.
The theoretical assessment of whole world wave energy is also 109kW magnitude.Utilize the estimation of coastal area of china oceanographic observation station data to obtain, coastal area of china theoretical wave annual mean power is about 1.3X10
7kW.But the observation place due to many ocean observation stations is in inner bay or the less position of stormy waves, and the coastal wave power on historical facts or anecdotes border is greater than this value.The wherein coastal area abundant for wave energy in Zhejiang, Fujian, Guangdong and Taiwan.
Wave energy is so huge, existence so extensively, attract coastal skillful craftsman from ancient times, try every means, attempt is controlled wave and is behaved used.Wave-energy collection is got up and the wave power device converting electric energy or other form energies to have be arranged on the bank and two kinds of swimming in the sea.Such as:
Patent publication No. be CN101832217A application discloses a kind of Wave energy collecting device, comprise supporting component, buoyancy aid, energy-storage units and guiding subassembly, wave promotes this buoyancy aid and carries out reciprocal pivot pendulum motion, wave is concentrated the position being directed to this buoyancy aid by guiding subassembly, and then can the more efficient transformation of energy that wave is produced be can for the energy utilized, energy-storage units carries out energy storage action in order to coordinate this buoyancy aid;
And, patent publication No. is that the patent application of CN 102953918 A provides a kind of wave energy generator, comprise cylindrical shell, cylindrical shell has closed inner chamber, mover is provided with in the inner chamber of cylindrical shell, stator, connecting rod, first elastic plate and the second elastic plate, first elastic plate and the second elastic plate are all connected on cylindrical shell, and all at mover, the side of stator is arranged, the shaft of described connecting rod and the first elastic plate and the second elastic plate load, the lower end of described connecting rod is connected with mover, described stator and cylindrical shell fix, at least one side of stator is mutually close with the side of mover.
Ocean wave energy is a kind of clean renewable energy sources, can be used for generating electricity, freezes, desalinize seawater.General oscillating float type float fluctuates up and down with wave, and the pulling force that float can provide is less.The feature of Nearshore Wave is the narrow crest of wide trough, and float diameter, barrel diameter limit by wave peak width, is thus difficult to realize high-power.
Summary of the invention
For solving the technical problem that the absorption middle oscillating floater of point exists, the invention provides a kind of Wave energy collecting device adapting to sea level height change, its float size can break through crest size restrictions, and device works when float buoyancy is maximum, and the seawater pressure of output is constant.
A kind of oscillating float type Wave energy collecting device, comprises the track be laid on bank base, along the frame that track slides, cylindrical shell is fixed with in described frame, this cylinder body bottom is closed and is immersed in water, and wall is provided with the water intake towards wave, and inside is provided with the float with water surface floating; Described machine frame inside is also provided with the first oil hydraulic cylinder, be connected with described float bottom the piston rod of the first oil hydraulic cylinder, the cylinder body of the first oil hydraulic cylinder has access to suction sleeve and outlet pipe, described suction sleeve is provided with safety check, described outlet pipe is connected with hydraulic control valve; The below of described frame is provided with floating drum, and frame and track are provided with the height adaptive device of conditioner rack position.
In the present invention, wave pours in cylindrical shell through water intake, raising the water surface in cylindrical shell drives float to rise, promote the piston rod of the first oil hydraulic cylinder, when wave pours in cylindrical shell and covers float, float is stressed reaches setting value, and hydraulic control valve is opened, by promoting hydraulic rod when float moves upward, oil hydraulic cylinder is made to export high pressure sea water.
As improvement, described water inlet is fixed with support, and on support, switching has the baffle plate opening or closing described water intake, and support is also hinged with the pin keeping flapper closure.Described support is provided with the second oil hydraulic cylinder that drive pin rotates, and the cylinder body of the second oil hydraulic cylinder is communicated with by the cylinder body of hydraulic tube with the first oil hydraulic cylinder.
The rotating shaft of baffle plate is provided with wind spring, when seawater cannot against the force of the spring pour in cylindrical shell time, baffle plate is the bottom under the effect of cylindrical shell maritime interior waters, because seawater pours in cylindrical shell, float rises, pressure increase in first oil hydraulic cylinder, second Driven by Hydraulic Cylinder pin is rotated, pin end is protruded inside support, pin is propped up during the baffle plate bottom, close water intake, maintain cylindrical shell maritime interior waters height constant, float moves upward in maximum buoyancy situation, during float movement highest point, second Driven by Hydraulic Cylinder pin closes in support, baffle plate is at the lower outside pendulum of cylindrical shell maritime interior waters effect, water intake is opened, cylindrical shell maritime interior waters flows out, float declines.
As improvement, described frame is provided with the spacing pillar stretched in cylindrical shell, and float is provided with the spacing hole passed for spacing pillar.Spacing pillar, through the spacing hole of float, makes float only can produce and fluctuates, to act on the piston rod of the first oil hydraulic cylinder.
As improvement, described hydraulic control valve comprises the valve body of the cylinder body being communicated with outlet pipe and the first oil hydraulic cylinder, there is in valve body the spool controlling outlet pipe and close or open, the stage clip keeping spool to close outlet pipe is provided with between spool and valve body, described spool outer wall is provided with restraining groove, valve body side, with installation cavity, is placed with support stage clip in installation cavity, one end of this support stage clip props up the spacing ball coordinated with restraining groove.
When the hydraulic pressure of the first oil hydraulic cylinder be greater than support pressure that stage clip set spool by spacing ball time, hydraulic drive spool is to open outlet pipe, the seawater of stable output pressure, after hydraulic pressure reduces gradually, stage clip promotes valve core reset and cuts out outlet pipe, the spacing ball supporting stage clip promotion is relied on to slip in the restraining groove of spool outer wall, the position of fixed spool in valve body.
As improvement, described frame is provided with the pulley slided along track interior, and when frame changes with tide level, pulley can reduce the resistance of housing slide, and the height being convenient to frame regulates.
As improvement, described height adaptive device comprises fixing fixed support in orbit, and in this fixed support, switching has Deflector block, and also comprise the buoy along fixed support one Slideslip, described frame is provided with the boss blocking described Deflector block; Described buoy is provided with guide plate towards support bracket fastened side, and this guide plate offers guiding groove, and fixed support is provided with the guiding raised line coordinated with guiding groove; The rectangular triangle of described Deflector block, the switching of its right angle is at fixed support, and a right angle side is for supporting the boss of fixed support side, and another right angle side is for propping up the side of buoy.
When tidal level rises, floating drum drives frame to raise, and Deflector block is in initial position, right angle side is not against buoy side; buoy rises along guiding raised line, and after frame and tide level adapt, wave pours in cylindrical shell; the load-bearing of frame increases; frame presses down, and boss is supported on the level right angle limit of Deflector block, and Deflector block is overturn; its vertical straight arm of angle props up buoy side, and the height realizing frame is fixed; After tidal level declines, after cylindrical shell maritime interior waters flows out, the load-bearing of frame reduces, frame relies on buoyant support, and boss is separated with Deflector block, and buoy can float downwards along tidal level, seawater pours in bracket height and also declines simultaneously, after frame and tide level adapt, two right angle sides of the Deflector block of another location prop up boss and buoy side respectively, complete the position adjustment of frame and buoy.
For accelerating pouring in of seawater, the both sides of described water intake are provided with the unrestrained plate of outward extending collection in bell mouth shape, and for the wave of motion provides guiding, wave is assembled towards water inlet, the wave improved herein is high, accelerate seawater and fill cylindrical shell.It is trapezoidal for collecting unrestrained plate cross section, and one end of its long parallel edges is hinged in frame.
Wave energy collecting device of the present invention, can adapt to sea level height change, regulate oneself height according to tidal level change, its float size can break through crest size restrictions, device works when float buoyancy is maximum, maintains the stable Output pressure of seawater by hydraulic control valve.
Accompanying drawing explanation
Fig. 1 is the plan view of contrive equipment;
Fig. 2 is the side view of contrive equipment;
Fig. 3 is invention track and sea level height adaptive device schematic diagram;
Fig. 4 is invention hydraulic schematic.
Embodiment
As depicted in figs. 1 and 2, the Wave energy collecting device of the present embodiment comprises the track be arranged on bank base 8, and the upper spider 13 slided along track and lower bearing bracket 14, be positioned at the cylindrical shell 17 of lower bearing bracket 14 inside, pillar 3, float 4, the floating drum 1 of below, the floating drum 2 of side; Collection wave plate 5, the baffle plate 15 at seawater inlet place, hinged hydraulic push rod 6 above float.The inner fixer cylinder pressure 7 of upper spider 13, oil hydraulic cylinder 7 top connects four-way 11, and four-way 11 connects hydraulic control valve 10, safety check 18, hydraulic tube 12; Track and on bracket height adaptive device 16; Seawater inlet baffle controls pin 19, oil hydraulic cylinder 20.
Safety check 18 connects the suction sleeve 9 passing into seawater, and hydraulic control valve 10 connects outlet pipe, for controlling the delivery pressure of seawater.When float 4 declines, seawater enters oil hydraulic cylinder 7 through suction sleeve 9; After seawater pours in cylindrical shell 17, oil hydraulic cylinder 7 internal pressure increases, and when seawater covers float 4, float 4 buoyancy reaches maximum value, and oil hydraulic cylinder 7 internal pressure is greater than the threshold values of hydraulic control valve 10, and hydraulic control valve 10 is opened, and exports the seawater of constant pressure.
As shown in Figure 3, in the Wave energy collecting device of the present embodiment, bracket height adaptive device 16 comprises track 161, fixed support 162, Deflector block 163, spring 164 and buoy 165.The wheel 141 that lower bearing bracket is installed can prolong track 161 and slide, and the merging that matches of the guiding raised line of the guiding groove on buoy 165 and fixed support 162 can be prolonged it and slided, the baffle plate on buoy 165 can and only can block a Deflector block 163.Lower bearing bracket is also provided with the boss stirring Deflector block 163, the rectangular triangle of Deflector block, right angle side switching on fixed support 162, and is provided with the spring 164 kept for position between Deflector block and fixed support.When sea level fluctuations raises, when cylindrical shell 17 maritime interior waters flows out consistent with sea water level, floating drum 2 buoyancy increases, frame is moved, boss 142 moves up, and unclamps the Deflector block 163 of its underpart, and the increase of buoy 165 buoyancy moves up, make its top Deflector block 163 rotate and move to above it, when pouring in seawater in cylindrical shell 17, skeleton is deflected block 163 and buoy 165 blocks simultaneously.When sea level fluctuations declines, buoy 165 moves downward, and Deflector block 163 rotates, and below boss 142 moves downwardly to, on Deflector block 163, also deflected block 163 and buoy 165 block.
As shown in Figure 4, hydraulic system described in the Wave energy collecting device of the present embodiment, hydraulic control valve 10 comprises spring 101, bolt 102, steel ball 103, bolt 104, valve body 105, spring 106, spool 107; Piston 21 is installed on hydraulic push rod 6 top, four-way 11 connecting fluid cylinder pressure 7, hydraulic control valve 10, hydraulic tube 12, safety check 18; Hydraulic tube 12 connects oil hydraulic cylinder 20; Safety check 18 water inlet connects suction sleeve 9.
When seawater pours in cylindrical shell, baffle plate 15 is to cylindrical shell 17 interior deflector, and when the increase of float 4 buoyancy makes hydraulic tube 12 maritime interior waters pressure increase to 3MPa, oil hydraulic cylinder 20 pushing pin 19 rotates, when seawater can not pour into cylindrical shell 17, baffle plate 15 outwards deflects to pin 19 place under inner barrel seawater eroding to be stopped; When seawater covers float 4 completely, float buoyancy reaches maximum value, and oil hydraulic cylinder 7 maritime interior waters pressure reaches maximum value 6MPa, and hydraulic control valve steel ball 103 is squeezed out groove, and spool 107 moves upward, and hydraulic control valve is opened, and high pressure sea water is gushed out.When float 4 moves to topmost, when oil hydraulic cylinder 7 internal pressure is decreased to below 3MPa, baffle plate 15 under cylindrical shell maritime interior waters pressure to extrinsic deflection; Float 4 moves downward, and spool 107 is at spring 106 moved downward, and steel ball 103 snaps in the groove of spool 107 under spring 101 acts on; Seawater enters oil hydraulic cylinder 7 from suction sleeve 9, safety check 18; The whole outflow tube 17 of seawater, baffle plate recovers vertical state under self gravitation effect.
Claims (10)
1. an oscillating float type Wave energy collecting device, comprise the track be laid on bank base, along the frame that track slides, it is characterized in that, cylindrical shell is fixed with in described frame, this cylinder body bottom is closed and is immersed in water, and wall is provided with the water intake towards wave, and inside is provided with the float with water surface floating;
Described machine frame inside is also provided with the first oil hydraulic cylinder, be connected with described float bottom the piston rod of the first oil hydraulic cylinder, the cylinder body of the first oil hydraulic cylinder has access to suction sleeve and outlet pipe, described suction sleeve is provided with safety check, described outlet pipe is connected with hydraulic control valve;
The below of described frame is provided with floating drum, and frame and track are provided with the height adaptive device of conditioner rack position.
2. oscillating float type Wave energy collecting device as claimed in claim 1, it is characterized in that, described water inlet is fixed with support, and on support, switching has the baffle plate opening or closing described water intake, and support is also hinged with the pin keeping flapper closure.
3. oscillating float type Wave energy collecting device as claimed in claim 2, is characterized in that, described support is provided with the second oil hydraulic cylinder that drive pin rotates, and the cylinder body of the second oil hydraulic cylinder is communicated with by the cylinder body of hydraulic tube with the first oil hydraulic cylinder.
4. oscillating float type Wave energy collecting device as claimed in claim 1, it is characterized in that, described frame is provided with the spacing pillar stretched in cylindrical shell, and float is provided with the spacing hole passed for spacing pillar.
5. oscillating float type Wave energy collecting device as claimed in claim 1, it is characterized in that, described hydraulic control valve comprises the valve body of the cylinder body being communicated with outlet pipe and the first oil hydraulic cylinder, there is in valve body the spool controlling outlet pipe and close or open, be provided with the stage clip keeping spool to close outlet pipe between spool and valve body, described spool outer wall is provided with restraining groove, and valve body side is with installation cavity, be placed with support stage clip in installation cavity, one end of this support stage clip props up the spacing ball coordinated with restraining groove.
6. oscillating float type Wave energy collecting device as claimed in claim 1, is characterized in that, described frame is provided with the pulley slided along track interior.
7. oscillating float type Wave energy collecting device as claimed in claim 6, it is characterized in that, described height adaptive device comprises fixing fixed support in orbit, in this fixed support, switching has Deflector block, also comprise the buoy along fixed support one Slideslip, described frame is provided with the boss blocking described Deflector block.
8. oscillating float type Wave energy collecting device as claimed in claim 7, it is characterized in that, described buoy is provided with guide plate towards support bracket fastened side, and this guide plate offers guiding groove, and fixed support is provided with the guiding raised line coordinated with guiding groove.
9. oscillating float type Wave energy collecting device as claimed in claim 8, it is characterized in that, the rectangular triangle of described Deflector block, the switching of its right angle is at fixed support, one right angle side is for supporting the boss of fixed support side, and another right angle side is for propping up the side of buoy.
10. oscillating float type Wave energy collecting device as claimed in claim 1, it is characterized in that, the both sides of described water intake are hinged with the unrestrained plate of outward extending collection in bell mouth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464440.2A CN104234922B (en) | 2014-09-12 | 2014-09-12 | Oscillation float type wave energy collection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464440.2A CN104234922B (en) | 2014-09-12 | 2014-09-12 | Oscillation float type wave energy collection device |
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| Publication Number | Publication Date |
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| CN104234922A true CN104234922A (en) | 2014-12-24 |
| CN104234922B CN104234922B (en) | 2017-04-12 |
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| CN201410464440.2A Active CN104234922B (en) | 2014-09-12 | 2014-09-12 | Oscillation float type wave energy collection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298731A (en) * | 2015-10-26 | 2016-02-03 | 清华大学 | Float-type wave-energy converting device |
| CN112431710A (en) * | 2020-11-24 | 2021-03-02 | 彭天顺 | Central float type wave power generation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644225A (en) * | 2008-08-06 | 2010-02-10 | 北京三维正基科技有限公司 | Floating swing type wave energy conversion device |
| CN202531345U (en) * | 2012-05-22 | 2012-11-14 | 厦门锐思达机电科技有限公司 | Novel oscillation float type ocean wave energy generation device |
| CN204113527U (en) * | 2014-09-12 | 2015-01-21 | 浙江大学 | A kind of oscillating float type Wave energy collecting device |
-
2014
- 2014-09-12 CN CN201410464440.2A patent/CN104234922B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644225A (en) * | 2008-08-06 | 2010-02-10 | 北京三维正基科技有限公司 | Floating swing type wave energy conversion device |
| CN202531345U (en) * | 2012-05-22 | 2012-11-14 | 厦门锐思达机电科技有限公司 | Novel oscillation float type ocean wave energy generation device |
| CN204113527U (en) * | 2014-09-12 | 2015-01-21 | 浙江大学 | A kind of oscillating float type Wave energy collecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298731A (en) * | 2015-10-26 | 2016-02-03 | 清华大学 | Float-type wave-energy converting device |
| CN105298731B (en) * | 2015-10-26 | 2017-10-31 | 清华大学 | A kind of float-type Wave energy converting device |
| CN112431710A (en) * | 2020-11-24 | 2021-03-02 | 彭天顺 | Central float type wave power generation device |
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| CN104234922B (en) | 2017-04-12 |
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