CN104329213A - Tide level self-adaption device of vibration floater wave power generation device - Google Patents
Tide level self-adaption device of vibration floater wave power generation device Download PDFInfo
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- CN104329213A CN104329213A CN201410558469.7A CN201410558469A CN104329213A CN 104329213 A CN104329213 A CN 104329213A CN 201410558469 A CN201410558469 A CN 201410558469A CN 104329213 A CN104329213 A CN 104329213A
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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
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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 a tide level self-adaption device of a vibration floater wave power generation device. The vibration floater wave power generation device comprises a submerging and surfacing body, guide rods, a floater, a hydraulic cylinder and sleeves, wherein the guide rods are arranged on the submerging and surfacing body; the floater and the sleeves are both sleeved on the guide rods; the cylinder block of the hydraulic cylinder is fixedly connected with the sleeves through support arms; a piston rod of the hydraulic cylinder is fixedly connected with the floater; the tide level self-adaption device comprises a wave height adjustment frame and a damping mechanism. According to the tide level self-adaption device, adaptive adjustment can be performed on the position of the hydraulic cylinder along with the tide level change, so that the effective working distance between the floater and the hydraulic cylinder is ensured, the power generation device is ensured to have higher energy conversion efficiency, and meanwhile, the dangerous situation that the piston rod rushes to the top or is separated from the cylinder block of the hydraulic cylinder is avoided; moreover, the tide level self-adaption device is formed completely by matching mechanical structures, and electronic components or electronic control systems are not related, so that the tide level self-adaption device is simpler and more stable in structure, and cannot be influenced by the marine environment, can stably work under the maritime severe environment for a long time, and does not need to be maintained frequently, so that the use and maintenance cost is extremely low.
Description
Technical field
The invention belongs to oscillating floater type wave energy generating set technical field, be specifically related to a kind of tidal level self-reacting device of oscillating floater wave energy generating set.
Background technique
Oscillating float type wave energy generating set is generally applied to offshore and offshore marine site, device snorkeling body formation under water floating structure is lived by anchor chain anchor, it utilizes the relative movement between the oscillating floater part of following sea heave movement and device anchorage part to absorb wave energy, and then is electric energy generating by Conversion of Energy by machinery or hydraulic pressure reformulations.
In order to enable device obtain larger relative movement, snorkeling body and the anchoring of device overall structure is under water formed metastable interface by general tension force anchor, the water surface only has dynamic float float with wave and tidal level.Dynamic float connects hydraulic cylinder piston rod, is being fixed on effect promotion hydraulic oil acting up and down in the oil hydraulic cylinder on device rock-steady structure.Because float can produce SEA LEVEL VARIATION at any time with tidal level, rush to summit or depart from hydraulic cylinder for avoiding piston rod, need devise a system control break oil hydraulic cylinder height in a device, to keep the normal operation position of float and oil hydraulic cylinder.
At present, a kind of method adapting to tidal level hydraulic control cylinder height uses the work of limitation travel switch collocation helical riser.Position limit switch arranges upper and lower two, oil hydraulic cylinder action when the rise of control tidal level and tidal level fall respectively.When tidal level goes up, the touching bar being fixed on float upper surface touches upper stroke switch, produce actuating signal, this signal is sent to control system, tidal level rising signal is thought after judgement, send to actuating motor, driven by motor helical riser lifting hydraulic cylinder, lifting height according to tidal level situation by initial setting; When tidal level declines, form switch under the touching bar touching on float, in like manner produce the control signal of downward action and action.But adopt the change of limit switch monitoring tidal level to there is following shortcoming: under ocean environment, limit switch mechanically easily affects by extreme ripple condition and damages, be also easily subject to Mechanical Contact frequently to cause switch failure; Signal transmissions easily produces fault and signal malfunctioning, and control system cannot screen float because of tidal level change or the change in location that produces of ripple effect greatly, easily sends false command generation misoperation.
The another kind of method adapting to tidal level hydraulic control cylinder height uses the work of connecting rod floating ball lever meter collocation helical riser.Adopt the wave energy generating set of this kind of method generally to assemble tide gauge well, connecting rod floating ball lever meter is installed with tide gauge well, changed up and down by the liquid level in monitoring tide gauge well and judge tidal level fluctuation.Tide gauge well utilizes law of connected vessels, and inside liquid level only changes with tidal level change, not by outside wave effect, avoids corrugated and rises and falls to the interference of tidal level monitoring.The method also need before water under wave energy generating set default control method and action command, the SC sigmal control helical riser that PLC is produced by Logic judgment level meter carries out corresponding action, drive oil hydraulic cylinder be adjusted to trouble free service position.But adopt the change of level meter monitoring tidal level to there is following shortcoming: due to tide gauge well need be assembled on wave energy generating set, to make device overall structure become complicated and intensity decline, easily produce malformation and even damage; If stopping state appears in tide gauge well, by the monitoring directly affecting level meter and change outside tidal level, helical riser is made to carry out correct operation; Level meter top terminal box need do waterproof sealing process, also even causes level meter to lose efficacy by directly affecting level meter service behaviour if circuit makes moist or intakes.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, propose a kind of tidal level self-reacting device of new oscillating floater wave energy generating set.
The tidal level self-reacting device of oscillating floater wave energy generating set of the present invention, described oscillating floater wave energy generating set comprises snorkeling body, guide rod, float, oil hydraulic cylinder, sleeve, guide rod is arranged on snorkeling body, float and sleeve are all set with on the guide bar, the cylinder body of oil hydraulic cylinder by support arm and sleeve affixed, piston rod and the float of oil hydraulic cylinder are affixed, and described tidal level self-reacting device comprises wave height adjustment frame and damping mechanism.
Described wave height adjustment frame is fixed on float, and comprise connecting plate and the upper limit cover be packed on connecting plate and lower limit cover, upper limit cover and lower limit cover are all set with on the guide bar, and sleeve is between upper limit cover and lower limit overlap.
Described damping mechanism comprises stationary platen, buffer bar and damping device, and damping device is arranged on stationary platen, and stationary platen is fixing, and the cylinder body of buffer bar and oil hydraulic cylinder is affixed on the guide bar, the tooth bar that buffer bar is arranged and the resistance gears meshing that damping device is arranged.
Preferably, described damping device is rotation damper.
Preferably, described rotation damper is bidirectional rotary dampers.
Preferably, described buffer bar is vertically arranged, and both sides are all provided with tooth bar.
Preferably, the stable gears meshing that the tooth bar of buffer bar side and stationary platen are installed, the resistance gears meshing that the tooth bar of opposite side and damping device are arranged.
Preferably, damping device is provided with two, the tooth bar of buffer bar both sides respectively with the resistance gears meshing of two damping devices.
The invention has the beneficial effects as follows: tidal level self-reacting device can make Position of Hydraulic Cylinder carry out adaptation adjustment with tidal level change, ensure that the effective working distance between float and oil hydraulic cylinder, ensure that electricity generating device has higher energy conversion efficiency, turn avoid the dangerous situation appearance that piston rod is rushed to summit or departed from hydraulic cylinder body simultaneously, and tidal level self-reacting device is made up of mechanical structure cooperation completely, do not relate to electronic component and automatical control system, more simple and stable in structure, the impact of ocean environment can not be subject to, steady in a long-term be operated in marine rugged environment under, need not often safeguard it, operation and maintenance cost is extremely low.
Do not need to increase tidal level surveying instrument, do not consume the electric energy on electricity generating device, reduce design cost and manufacturing cost, can round-the-clock normal work, also improve the output electricity of electricity generating device entirety from the side.
Tidal level self-reacting device not only can adapt to normal tidal fluctuations, also can adapt to macrotidal range change and wave action greatly.
Damping device is rotation damper, damping can increase along with the increase of the intensity that is hit, to adapt to the situation of macrotidal range and large wave, and rotation damper is two-way, when making tidal level increase and decline, by the high and low position of buffer bar regulator solution cylinder pressure, the effect adapting to tidal level can be played.
Buffer bar is vertical, and both sides all arrange tooth bar, and is stepped up by two gears meshing, makes in buffer bar lifting process mobile more stable, also enable oil hydraulic cylinder receive the power of vertical direction more smooth-going be delivered to damping device.
Accompanying drawing explanation
Accompanying drawing 1 is the structural drawing of the tidal level self-reacting device of oscillating floater wave energy generating set.
Embodiment
The tidal level self-reacting device of oscillating floater wave energy generating set of the present invention, as shown in Figure 1, oscillating floater wave energy generating set comprises snorkeling body 1, guide rod 2, float 3, oil hydraulic cylinder 4, sleeve 5, guide rod 2 is arranged on snorkeling body 1, float 3 and sleeve 5 are all sleeved on guide rod 2, the cylinder body of oil hydraulic cylinder 4 is affixed by support arm 6 and sleeve 5, and piston rod and the float 3 of oil hydraulic cylinder 4 are affixed.
Tidal level self-reacting device comprises wave height adjustment frame and damping mechanism.
Wave height adjustment frame is fixed on float 3, and comprise connecting plate 7 and the upper limit cover 8 be packed on connecting plate 7 and lower limit cover 9, upper limit cover 8 and lower limit cover 9 are all sleeved on guide rod 2, and sleeve 5 overlaps between 8 and lower limit cover 9 at upper limit.
Damping mechanism comprises stationary platen 10, buffer bar 11 and damping device 12, damping device 12 is bidirectional rotary dampers, be arranged on stationary platen 10, stationary platen 10 is fixed on guide rod 2, buffer bar 11 is arranged in the passing hole that stationary platen 10 is arranged, and affixed with the cylinder body of oil hydraulic cylinder 4, the tooth bar that buffer bar 11 is arranged and the resistance gears meshing that damping device 12 is arranged.
Buffer bar 11 is vertically arranged, and both sides are all provided with tooth bar, and the damping device on stationary platen 10 can arrange one or two.
When damping device 12 arranges one, the stable gears meshing that the tooth bar of buffer bar 11 side and stationary platen 10 are installed, the resistance gears meshing that the tooth bar of opposite side and damping device 12 are arranged.
When damping device 12 arranges two, the tooth bar of buffer bar 11 both sides respectively with the resistance gears meshing of two damping devices 12.
The snorkeling body 1 of oscillating floater wave energy generating set is hidden in certain position under water by anchor chain, and float 3 floats on the water surface, and vibrates along guide rod about 2 along with wave.
Due to the conditional effect of damping device 12 tool, resistance gear could rotate when being subject to certain power, by the engagement of resistance gear and tooth bar, thus make damping device 12 to the certain resistance of buffer bar 11, when the power that buffer bar 11 is subject to is greater than the resistance of damping device 12, buffer bar 11 makes the resistance gear of damping device 12 overcome resistance and rotate, and buffer bar 11 will move up and down.
And oil hydraulic cylinder 4 is when normally working, the piston rod of oil hydraulic cylinder 4 and cylinder body relative movement, the active force that cylinder body is subject to piston rod is less, and then it is also less to its power to make buffer bar 11 be subject to cylinder body, the resistance of damping device 12 can not be overcome, damping device 12 will hinder the lifting of buffer bar 11, make the cylinder body of buffer bar 11 and coupled oil hydraulic cylinder 4 static, the float 3 vibrated up and down then drives coupled piston rod, piston rod is constantly pushed and extracts cylinder body out, oil hydraulic cylinder 4 is worked, drives electrical power generators by oil circuit.
And float 3 is along with while wave vibrates up and down, wave height adjustment frame also vibrates thereupon up and down, and wave height adjusts frame and piston rod synchronized oscillation, and the sleeve 5 be connected with the cylinder body of oil hydraulic cylinder 4 by support arm 6 the upper limit that wave height adjusts frame overlap 8 and lower limit overlap between 9, wave height is made to adjust the sphere of activities of frame restriction sleeve 5, thus the scope of relative movement between the piston rod of restriction oil hydraulic cylinder 4 and cylinder body, achieve and prevent the piston rod of oil hydraulic cylinder 4 from deviating from from cylinder body.And the distance between upper limit cover 8 and lower limit cover 9 is set as the height of maximum design wave height, when wave height adjustment frame is vibrated up and down, upper limit cover 8 and lower limit cover 9 generally can not touch sleeve 5.
When tidal level rises, the smallest height of wave height adjustment frame vibration also rises thereupon, the distance that sleeve 5 and lower limit are overlapped between 9 reduces gradually, when the lower limit cover 9 of wave height adjustment frame touches sleeve 5, sleeve 5 active force upwards given by lower limit cover 9, and active force upwards passes to the cylinder body of oil hydraulic cylinder 4 by support arm 6.Along with the lasting rising of tidal level, active force upwards continues to increase, when active force is upwards greater than damping device 12 to the resistance of buffer bar 11, the resistance overcoming damping device 12 rises by the cylinder body of oil hydraulic cylinder 4, realizes oil hydraulic cylinder 4 and rises along with the rising of tidal level.
When tidal level declines, the maximum height position of wave height adjustment frame vibration also declines thereupon, the distance that sleeve 5 and upper limit overlap between 8 reduces gradually, when the upper limit cover 8 of wave height adjustment frame touches sleeve 5, the active force that upper limit cover 8 gives sleeve 5 downward, downward active force passes to the cylinder body of oil hydraulic cylinder 4 by support arm 6.Along with the continuous decrease of tidal level, downward active force continues to increase, when downward active force is greater than damping device 12 to the resistance of buffer bar 11, the resistance overcoming damping device 12 declines by the cylinder body of oil hydraulic cylinder 4, realizes oil hydraulic cylinder 4 and declines along with the decline of tidal level.
Tidal level self-reacting device, according to above-mentioned working method, finally realizes the change that oil hydraulic cylinder 4 adapts to tidal level.
Claims (6)
1. the tidal level self-reacting device of an oscillating floater wave energy generating set, described oscillating floater wave energy generating set comprises snorkeling body (1), guide rod (2), float (3), oil hydraulic cylinder (4), sleeve (5), guide rod (2) is arranged on snorkeling body (1), float (3) and sleeve (5) are all sleeved on guide rod (2), the cylinder body of oil hydraulic cylinder (4) is affixed by support arm (6) and sleeve (5), piston rod and the float (3) of oil hydraulic cylinder (4) are affixed, it is characterized in that, described tidal level self-reacting device comprises wave height adjustment frame and damping mechanism,
Described wave height adjustment frame is fixed on float (3), the upper limit cover (8) comprising connecting plate (7) and be packed on connecting plate (7) and lower limit cover (9), upper limit cover (8) and lower limit cover (9) are all sleeved on guide rod (2), and sleeve (5) is positioned between upper limit cover (8) and lower limit cover (9);
Described damping mechanism comprises stationary platen (10), buffer bar (11) and damping device (12), damping device (12) is arranged on stationary platen (10), stationary platen (10) is fixed on guide rod (2), buffer bar (11) is affixed with the cylinder body of oil hydraulic cylinder (4), the tooth bar that buffer bar (11) is arranged and the resistance gears meshing that damping device (12) is arranged.
2. the tidal level self-reacting device of oscillating floater wave energy generating set according to claim 1, is characterized in that, described damping device (12) is rotation damper.
3. the tidal level self-reacting device of oscillating floater wave energy generating set according to claim 1, is characterized in that, described rotation damper is bidirectional rotary dampers.
4. the tidal level self-reacting device of oscillating floater wave energy generating set according to claim 1, is characterized in that, described buffer bar (11) is vertically arranged, and both sides are all provided with tooth bar.
5. the tidal level self-reacting device of oscillating floater wave energy generating set according to claim 4, it is characterized in that, the tooth bar of buffer bar (11) side and the upper stable gears meshing installed of stationary platen (10), the resistance gears meshing that the tooth bar of opposite side and damping device (12) are arranged.
6. the tidal level self-reacting device of oscillating floater wave energy generating set according to claim 4, it is characterized in that, damping device (12) is provided with two, the tooth bar of buffer bar (11) both sides respectively with the resistance gears meshing of two damping devices (12).
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| CN201410558469.7A CN104329213B (en) | 2014-10-20 | 2014-10-20 | The tidal level self-reacting device of oscillating floater wave energy generating set |
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| CN201410558469.7A CN104329213B (en) | 2014-10-20 | 2014-10-20 | The tidal level self-reacting device of oscillating floater wave energy generating set |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832362A (en) * | 2015-05-15 | 2015-08-12 | 中国海洋大学 | Mechanical type tide level self-adaptation system for oscillating floater wave power generation device |
| CN104847576A (en) * | 2015-05-18 | 2015-08-19 | 国网山东省电力公司经济技术研究院 | Floating type sea wave energy conversion device |
| CN105386928A (en) * | 2015-12-07 | 2016-03-09 | 国家***第一海洋研究所 | Oscillating buoy power generation device automatically adapting to tidal level |
| CN105927462A (en) * | 2016-07-04 | 2016-09-07 | 李广明 | Pendulum-force wave energy power generating device and power generating mechanism thereof |
| CN106837671A (en) * | 2017-01-24 | 2017-06-13 | 哈尔滨工程大学 | Longitudinal drum-type wave-activated power generation drive device |
| CN107269458A (en) * | 2017-06-14 | 2017-10-20 | 湖南人文科技学院 | The method and device that floating drum is tracked to sea level in control wave energy generating set |
| CN107605645A (en) * | 2017-08-22 | 2018-01-19 | 哈尔滨工程大学 | The automatic wave energy generating set for adapting to wavelength |
| CN108867545A (en) * | 2018-07-24 | 2018-11-23 | 哈尔滨工程大学 | A kind of breakwater system of integrated oscillating water column and float power generation |
| CN109356777A (en) * | 2018-11-06 | 2019-02-19 | 哈尔滨工程大学 | A kind of wall hanging heaving float type wave energy power generation |
| CN111878293A (en) * | 2020-08-10 | 2020-11-03 | 金陵科技学院 | Oscillating type wave energy power generation device with anti-winding mechanism |
| CN112610394A (en) * | 2020-12-18 | 2021-04-06 | 中国人民解放军军事科学院***工程研究院 | Hydraulic mass transfer floating type wave power generation device |
| CN113983316A (en) * | 2021-11-16 | 2022-01-28 | 连云港步升机械有限公司 | Intelligent auxiliary equipment and method for ship berthing |
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| CN104832362B (en) * | 2015-05-15 | 2017-01-25 | 中国海洋大学 | Mechanical type tide level self-adaptation system for oscillating floater wave power generation device |
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| CN106837671B (en) * | 2017-01-24 | 2019-04-12 | 哈尔滨工程大学 | Longitudinal drum-type wave-activated power generation driving device |
| CN106837671A (en) * | 2017-01-24 | 2017-06-13 | 哈尔滨工程大学 | Longitudinal drum-type wave-activated power generation drive device |
| CN107269458A (en) * | 2017-06-14 | 2017-10-20 | 湖南人文科技学院 | The method and device that floating drum is tracked to sea level in control wave energy generating set |
| CN107269458B (en) * | 2017-06-14 | 2024-01-23 | 湖南人文科技学院 | Method for controlling pontoon in wave energy power generation device to track sea level |
| CN107605645A (en) * | 2017-08-22 | 2018-01-19 | 哈尔滨工程大学 | The automatic wave energy generating set for adapting to wavelength |
| CN107605645B (en) * | 2017-08-22 | 2019-07-16 | 哈尔滨工程大学 | The automatic wave energy generating set for adapting to wavelength |
| CN108867545A (en) * | 2018-07-24 | 2018-11-23 | 哈尔滨工程大学 | A kind of breakwater system of integrated oscillating water column and float power generation |
| CN109356777A (en) * | 2018-11-06 | 2019-02-19 | 哈尔滨工程大学 | A kind of wall hanging heaving float type wave energy power generation |
| CN111878293A (en) * | 2020-08-10 | 2020-11-03 | 金陵科技学院 | Oscillating type wave energy power generation device with anti-winding mechanism |
| CN111878293B (en) * | 2020-08-10 | 2021-08-24 | 金陵科技学院 | Oscillating type wave energy power generation device with anti-winding mechanism |
| CN112610394A (en) * | 2020-12-18 | 2021-04-06 | 中国人民解放军军事科学院***工程研究院 | Hydraulic mass transfer floating type wave power generation device |
| CN113983316A (en) * | 2021-11-16 | 2022-01-28 | 连云港步升机械有限公司 | Intelligent auxiliary equipment and method for ship berthing |
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