CN101737240A - Float type seawave power generation device - Google Patents
Float type seawave power generation device Download PDFInfo
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- CN101737240A CN101737240A CN201010117059A CN201010117059A CN101737240A CN 101737240 A CN101737240 A CN 101737240A CN 201010117059 A CN201010117059 A CN 201010117059A CN 201010117059 A CN201010117059 A CN 201010117059A CN 101737240 A CN101737240 A CN 101737240A
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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 fields of ocean utilization and renewable energy source generation, relates to a float type seawave power generation device, and is characterized by comprising a floating body, a balance floating body, a pulley, a rope, an input shaft, a clutch, an output shaft, a flywheel, a permanent magnet synchronous generator and an AC-DC-AC power converter, wherein, the floating body and the balance floating body are connected at two sides of the pulley through the rope; the pulley is coaxial with the input shaft; the input shaft is connected with the output shaft through the clutch; the clutch is used for leading the output shaft to rotate in one direction; the flywheel coaxial with the output shaft is fixed on the output shaft; the other end of the output shaft is connected with the permanent magnet synchronous generator; and the output of the generator is connected with the AC-DC-AC power converter. The float type seawave power generation device of the invention utilizes the energy when the floating body descends in a vertical direction, which can reduce design difficulty of small machinery and hydraulic mechanisms, is also beneficial for the realization of the largest wave energy capturing control strategy.
Description
Technical field
The invention belongs to Yu Haiyang utilization and renewable energy power generation field, be specifically related to a kind of Wave power generation device.
Background technique
Environmental pollution and energy crisis are two big common themes of world today's development.Greatly develop generation of electricity by new energy modes such as wind-power electricity generation, seawave power generation, tidal power generation, geothermal power generation; realize that the change of energy conversion mode and the raising of utilization ratio thereof are important means that solves this two large problems; environmental protection and the energy sustainable exploitation current for China have very important effect, have remarkable economical and social benefit.Greatly develop the regenerable marine energy technology that comprises seawave power generation and be put into national marine career development planning outline.Up to now, different with the mode of action of wave according to Wave power generation device, Wave power generation device can be divided into: towards types such as box, oscillaton water column type (air type), swing, poly-ripple reservoir formulas.Towards box Wave power generation device, owing to have parts under water, less stable when it is attacked by wave.The rotating mechanism of oscillating water column wave power device not with contact with sea water, antiseptic property is good, and is safe and reliable, easy to maintenance, but its secondary energy conversion efficiency is lower.Characteristics such as the low frequency of the suitable wave of pendulum-type device and thrust are big, the conversion efficiency height can also combine with phase control technology easily, but maintenance of its machinery and hydraulic mechanism is comparatively difficult.The advantage of poly-ripple reservoir device is that the one-level conversion does not have movable part, good reliability, and maintenance cost is low, and system exerts oneself more stable; Deficiency is that the type generating has specific (special) requirements to landform when building, and is difficult for promoting.
Summary of the invention
The present invention is directed to above problem, a kind of novel float type seawave power generation device is provided, energy when this device only utilizes the buoyancy aid Vertical direction to descend so both can reduce the design difficulty of mechanical and hydraulic mechanism, also helped the realization of maximum wave energy acquisition control strategy.This experimental setup still is portable simultaneously, under severse weather, it can be moved to position, safe marine site, strengthens its environmental suitability.
A kind of float type seawave power generation device, it is characterized in that, comprise buoyancy aid, the balance buoyancy aid, pulley, cable, input shaft, clutch, output shaft, flywheel, magneto alternator and AC-DC-AC power inverter, wherein, buoyancy aid and balance buoyancy aid are connected the both sides of pulley by cable, pulley is coaxial with input shaft, link to each other by clutch between input shaft and the output shaft, clutch is used to make the output shaft folk prescription to rotation, on output shaft, be fixed with the flywheel coaxial with it, the other end of output shaft links to each other with magneto alternator, and the output of generator is connected to the AC-DC-AC power inverter.
Float type seawave power generation device of the present invention, described AC-DC-AC power inverter comprises the motor side controller, this controller can be estimated torque reference according to the height and the cycle thereof of wave, realized that the Speedless sensor control and the maximum wave energy of system caught.
This device adopts does not have the magneto alternator of overdrive gear mechanism directly to connect with flywheel, has reduced noise, friction and the rate of fault of system.By the cooperation of buoyancy aid and balance buoyancy aid, device absorbs wave can back effect by pulley make the input shaft rotation.Input shaft by clutch make output shaft can only folk prescription to rotation, promptly only catch unidirectional vertical wave energy.Wave energy when this device only utilizes buoyancy aid to descend, when buoyancy aid rises clutch then automatic parallel off utilize the inertia of flywheel to guarantee that magneto alternator also can normal power generation when buoyancy aid rises, generator output end makes system finally can export stable voltage and power by the AC-DC-AC power inverter.This convertor controls topological structure can suppress the influence of grid side fault to system effectively, and can control the idle of system, thereby can effectively improve power supply quality.Beneficial effect is as follows:
Energy when 1) float type seawave power generation device only utilizes the buoyancy aid Vertical direction to descend can reduce the design difficulty of machinery and hydraulic mechanism, the stability of raising system.
2) magneto alternator directly connects with flywheel, can reduce noise, friction and the rate of breakdown of system greatly, reduces the system maintenance expense.
3) generator output end carries out reprocessing by the AC-DC-AC power inverter to electric energy, make unsettled seawave power generation energy stabilizationization, voltage and power that the output of assurance system is stable, this power inverter also possesses the grid side of inhibition fault to the function of systematic influence with to the idle function of controlling simultaneously.
4) the motor side controller adopts the height H and the period T thereof of wave directly torque reference τ ref to be estimated the Speedless sensor control mode of feasible system.
5) this Wave power generation device has characteristics such as mobility and environmental suitability are strong, taking place it can be moved to safe marine site under the abominable situation such as hurricane, improves the Security and the Economy of system.
Description of drawings
Fig. 1 is the float type seawave power generation device schematic representation.
Fig. 2 is that the vertical folk prescription in left side among Fig. 1 can one-level conversion equipment front elevation to the float type wave.
Fig. 3 is the control structure block diagram of the motor side controller of AC-DC-AC power inverter.
1 is buoyancy aid, the 2nd among the figure, balance buoyancy aid, the 3rd, pulley, the 4th, cable, the 5th, input shaft, the 6th, clutch, the 7th, output shaft, the 8th, flywheel, the 9th, permagnetic synchronous motor, the 10th, AC-DC-AC transducer.
Preferred forms
With reference to Fig. 1, the float type seawave power generation device block diagram that Fig. 1 proposes for the present invention.As shown in the figure, this device mainly comprises: buoyancy aid 1 directly is subjected to the active force of wave; Balance buoyancy aid 2 is suspended on the sea always, when not having wave, and keeps state of rest between the buoyancy aid 1; Pulley 3 and cable 4 are used to cooperate the mutual motion between buoyancy aid 1 and the balance buoyancy aid 2; Input shaft 5 is responsible for one-level is transformed energy output; Clutch 6 is responsible for making output shaft 7 unidirectional rotations; 7 of output shafts pass to the next stage energy transfer mechanism with unidirectional rotating energy; Flywheel 8 is coaxial with output shaft, is fixed on the output shaft, utilizes the big inertia characteristics assurance output shaft of self can stablize rotation; Permagnetic synchronous motor 9 is converted into electric energy with the mechanical energy on the output shaft 7; 10 in AC-DC-AC transducer is responsible for the electric energy of generator output is carried out reprocessing, makes unsettled seawave power generation stabilization.
Apparatus of the present invention at first adopt Archimedes's the law of buoyancy, utilize the synergy of buoyancy aid 1 and balance buoyancy aid 2, under the control of pulley 3 and cable 4, directly catch wave Vertical direction wave power.In order to make buoyancy aid not influenced by the wave force of other directions as far as possible, this device has been taked the cable-stayed type fastening to buoyancy aid 1.Input shaft 5 by clutch 6 make output shaft 7 can only folk prescription to rotation, promptly only catch unidirectional vertical wave energy.Wave energy when this device only utilizes buoyancy aid 1 to descend, when detecting input shaft and reverse that just buoyancy aid 1 rises, 6 automatic parallel offs of clutch, this moment, system guaranteed that by the inertia of flywheel 8 magneto alternator 9 can normal power generation.Magneto alternator 9 directly is connected with output shaft 7, has replaced traditional overdrive gear Placement, thereby has improved the reliability of system greatly.Magneto alternator 9 output terminals make system finally can export stable voltage and power by the effect of AC-DC-AC power inverter 10.The motor side controller of AC-DC-AC power inverter 10 adopts the height H of wave and period T thereof to connect at least torque reference τ ref to be estimated, realize the Speedless sensor control mode of system, and then realizes that finally maximum wave energy catches.The control topological structure of this AC-DC-AC power inverter 10 can suppress the influence of grid side fault to system effectively, and can control the idle of system, thereby can effectively improve power supply quality.
Claims (2)
1. float type seawave power generation device, it is characterized in that, comprise buoyancy aid, the balance buoyancy aid, pulley, cable, input shaft, clutch, output shaft, flywheel, magneto alternator and AC-DC-AC power inverter, wherein, buoyancy aid and balance buoyancy aid are connected the both sides of pulley by cable, pulley is coaxial with input shaft, link to each other by clutch between input shaft and the output shaft, clutch is used to make the output shaft folk prescription to rotation, on output shaft, be fixed with the flywheel coaxial with it, the other end of output shaft links to each other with magneto alternator, and the output of generator is connected to the AC-DC-AC power inverter.
2. float type seawave power generation device according to claim 1, it is characterized in that, described AC-DC-AC power inverter comprises the motor side controller, this controller was estimated torque reference according to the height and the cycle thereof of wave, realized that the Speedless sensor control and the maximum wave energy of system caught.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010117059A CN101737240A (en) | 2010-03-03 | 2010-03-03 | Float type seawave power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010117059A CN101737240A (en) | 2010-03-03 | 2010-03-03 | Float type seawave power generation device |
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| CN101737240A true CN101737240A (en) | 2010-06-16 |
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| CN201010117059A Pending CN101737240A (en) | 2010-03-03 | 2010-03-03 | Float type seawave power generation device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828890A (en) * | 2012-09-29 | 2012-12-19 | 中水珠江规划勘测设计有限公司 | Hydroelectric generating set for micro-head hydroenergy development |
| CN102966486A (en) * | 2012-11-27 | 2013-03-13 | 天津大学 | Variable characteristic curve controlling method for float-type wave power generation device |
| CN104100445A (en) * | 2014-05-18 | 2014-10-15 | 何学应 | Rolling floater cable moving type shoreside wave power generation device |
| CN106089556A (en) * | 2016-06-15 | 2016-11-09 | 浙江大学 | A kind of island based on flywheel energy-storage system and method thereof |
| CN107165771A (en) * | 2017-06-28 | 2017-09-15 | 武汉大学 | Wave power generation hydraulic PTO system synthesis experiment platform and its experimental method |
| CN111946570A (en) * | 2020-08-11 | 2020-11-17 | 何景安 | Pulley reciprocating rotator of single-phase rotating device |
| CN114658587A (en) * | 2022-03-21 | 2022-06-24 | 王万强 | Ocean water energy power generation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353918Y (en) * | 1998-01-20 | 1999-12-15 | 林锡光 | Sea-wave generating device |
| CN1862008A (en) * | 2006-06-16 | 2006-11-15 | 余世华 | Inertia energy storing wave electricity generator |
| CN2858991Y (en) * | 2005-09-29 | 2007-01-17 | 苏闪 | High power maintenance-free power generator assembly driven by tide and wave |
| CN101106316A (en) * | 2007-04-27 | 2008-01-16 | 东南大学 | Linear generator for surf power generation |
| CN101355284A (en) * | 2008-05-30 | 2009-01-28 | 西安交通大学 | Wave straightly-drive type straight-line magneto resistance power generation system |
| WO2010022165A1 (en) * | 2008-08-20 | 2010-02-25 | Patterson Morris D | Ocean wave power generator |
-
2010
- 2010-03-03 CN CN201010117059A patent/CN101737240A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353918Y (en) * | 1998-01-20 | 1999-12-15 | 林锡光 | Sea-wave generating device |
| CN2858991Y (en) * | 2005-09-29 | 2007-01-17 | 苏闪 | High power maintenance-free power generator assembly driven by tide and wave |
| CN1862008A (en) * | 2006-06-16 | 2006-11-15 | 余世华 | Inertia energy storing wave electricity generator |
| CN101106316A (en) * | 2007-04-27 | 2008-01-16 | 东南大学 | Linear generator for surf power generation |
| CN101355284A (en) * | 2008-05-30 | 2009-01-28 | 西安交通大学 | Wave straightly-drive type straight-line magneto resistance power generation system |
| WO2010022165A1 (en) * | 2008-08-20 | 2010-02-25 | Patterson Morris D | Ocean wave power generator |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828890A (en) * | 2012-09-29 | 2012-12-19 | 中水珠江规划勘测设计有限公司 | Hydroelectric generating set for micro-head hydroenergy development |
| CN102828890B (en) * | 2012-09-29 | 2016-04-20 | 中水珠江规划勘测设计有限公司 | A kind of hydro-generating Unit for micro-head waterpower development |
| CN102966486A (en) * | 2012-11-27 | 2013-03-13 | 天津大学 | Variable characteristic curve controlling method for float-type wave power generation device |
| CN104100445A (en) * | 2014-05-18 | 2014-10-15 | 何学应 | Rolling floater cable moving type shoreside wave power generation device |
| CN106089556A (en) * | 2016-06-15 | 2016-11-09 | 浙江大学 | A kind of island based on flywheel energy-storage system and method thereof |
| CN107165771A (en) * | 2017-06-28 | 2017-09-15 | 武汉大学 | Wave power generation hydraulic PTO system synthesis experiment platform and its experimental method |
| CN107165771B (en) * | 2017-06-28 | 2020-06-19 | 武汉大学 | Comprehensive experiment platform and experiment method for wave power generation hydraulic PTO system |
| CN111946570A (en) * | 2020-08-11 | 2020-11-17 | 何景安 | Pulley reciprocating rotator of single-phase rotating device |
| CN114658587A (en) * | 2022-03-21 | 2022-06-24 | 王万强 | Ocean water energy power generation device |
| CN114658587B (en) * | 2022-03-21 | 2024-04-12 | 王万强 | Ocean water energy power generation device |
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Application publication date: 20100616 |