CN109882343A - A kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater - Google Patents

A kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater Download PDF

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Publication number
CN109882343A
CN109882343A CN201910329492.1A CN201910329492A CN109882343A CN 109882343 A CN109882343 A CN 109882343A CN 201910329492 A CN201910329492 A CN 201910329492A CN 109882343 A CN109882343 A CN 109882343A
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CN
China
Prior art keywords
moon pool
floating breakwater
steam turbine
cylindrical hole
wave
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Pending
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CN201910329492.1A
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Chinese (zh)
Inventor
刘恒序
舒国洋
陈海龙
郑雄波
刘鸣
孔凡凯
杨璐宁
傅昱晓
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Harbin Engineering University
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Harbin Engineering University
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Priority to CN201910329492.1A priority Critical patent/CN109882343A/en
Publication of CN109882343A publication Critical patent/CN109882343A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient

Abstract

A kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater, belongs to wave-activated power generation technical field.Structure of the invention includes floating breakwater, ground tackle, electrification structure, moon pool structure, floating breakwater is connected with ground tackle, floating breakwater has multiple cylindrical holes through upper and lower surface, it is moon pool structure in cylindrical hole, electrification structure is installed, moon pool structure is made of steam turbine and fixing bearing, and steam turbine both ends are cased with fixing bearing respectively above cylindrical hole, fixing bearing is fixed on the inner surface of cylindrical hole, and steam turbine is connected by transmission shaft with electrification structure.The anti-wave of the present invention generates electricity again, power generator and breakwater form one, preferably adapt to various sea situations, improve the Stability and dependability of device, wave is resisted jointly with breakwater, it realizes circuit integration, greatly improves wave power conversion efficiency, effectively solve the problems, such as that Wave energy converter absorption efficiency is low, Wave Response speed is slow, wave energy generating set is difficult and independently survive in wave.

Description

A kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater
Technical field
The invention belongs to wave-activated power generation technical fields, and in particular to a kind of moon pool oscillating water column wave based on floating breakwater It can power generator.
Background technique
The energy is the hot hand topic of current era, with the fast development of world economy, need of the mankind for the energy The amount of asking becomes increasing.However environmental pollution and fossil energy total amount are constantly being reduced, and are allowed it was recognized that cleaning energy The exploitation and utilization in source are extremely urgent.Wherein, the wave energy that can be provided in ocean is high with energy density, it is wide etc. excellent to be distributed Point, the offer energy that can be more stable.Currently, various forms of Wave energy converters have been widely studied, and how efficiently Ground, which obtains energy, will become main research hotspot.
The wave energy development and utilization in China originate in the 1970s, being made and putting into 1975 and test 1 1000w Wave energy generating set, gone forward side by side improvement and upgrading.In terms of wave-power plant construction, built within 1989 where the energy of Guangzhou It at more oscillaton water column type wave energies power station of 3000w, generates electricity successfully in examination in 1996, upgrading becomes the wave energy electricity of a 20kw It stands.Guangdong Province Shanyi City has built up the independently stable wave energy power station of the seat of honour in the world in 2005.In recent years, Shandong is big The units such as, Chinese Marine University, National Ocean Technology Center successively technically have breakthrough.As it can be seen that China's wave energy is sent out The technology of electric aspect, which has had, to be obviously improved.Currently, domestic existing wave energy generating set is broadly divided into three kinds: vibration Water column type, oscillating float type, more unrestrained formula are swung, wherein more mainstream is oscillating float type.It mainly uses float to collect wave Float up and down, and so that wave energy is converted into electric energy by power switching device.But due to wave energy itself be it is a kind of more not Stable renewable energy, the irregular generation and the variation of wave height of wave make it difficult to be collected capture.Stability is poor, poly- Energy low efficiency causes the utilization efficiency of the device not high.Meanwhile these power generator are placed and marine greatly, but gushing due to undercurrent Dynamic and sea situation uncertainty, once encountering wind and waves or severe sea situation, the service life of these power generator will It has a greatly reduced quality.So being necessary for the improvement of existing wave-power device.
In view of the status of the current country, the moon pool oscillating water column power generator based on breakwater that we have proposed a kind of, benefit With the poly- wave effect of moon pool device, makes device accumulation energy and aggravate the effect that water column vibrates in moon pool, form gas in gas chamber Pressure difference, so that rotor rotation be made to achieve the effect that power generation.Auxiliary is mentioned by anti-wave simultaneously, Lai Shiying severe sea condition, increasing it makes Use the service life.To achieve the purpose that stability and high efficiency that can be autonomous is powered.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of, the moon pool oscillating water column wave energy power generation based on floating breakwater is filled It sets.
To achieve the above object, a kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater, structure packet Floating breakwater 1, ground tackle, electrification structure, moon pool structure 5 are included, floating breakwater 1 is connected with ground tackle, and floating is anti- Wave dike 1 has multiple cylindrical holes through upper and lower surface, is moon pool structure 5 in cylindrical hole, installs electrification structure, institute above cylindrical hole It states moon pool structure 5 to be made of steam turbine 4 and fixing bearing, 4 both ends of steam turbine are cased with fixing bearing respectively, and fixing bearing is fixed on The inner surface of the cylindrical hole, steam turbine 4 are connected by transmission shaft 2-2 with the electrification structure.
Cylindrical hole array distribution on floating breakwater 1, the radius of each cylindrical hole is identical, described in cylindrical hole Steam turbine 4 and the concentric placement of cylindrical hole, the fixing bearing are welded on the inner surface of cylindrical hole, and the electrification structure passes through solid Fixed rack is placed on right above cylindrical hole.
1 shape of floating breakwater is oblate cylindricality floating body, and floating body is horizontally arranged from top to bottom, and fixed buoy is certainly By on surface, the ground tackle includes anchor ingot 3, anchor hawser 6, floating breakwater 1 is connect by anchor hawser 6 with anchor ingot 3.
The moon pool structure 5 is formed more by covering steam turbine and fixing bearing, and the vertical coaxial line of steam turbine is distributed in cylindrical hole In, and be connected by transmission shaft with the electrification structure.
The steam turbine 4 rotates freely, and steam turbine 4 drives the motor 2-1 in the electrification structure mono- by transmission shaft 2-2 To rotating and generate electricity.
The beneficial effects of the present invention are:
A kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater provided by the invention, with floating breakwater For parent support construction, setting array moon pool structure in inside changes moon pool inside floating breakwater using the poly- wave effect of moon pool The flow field of Free Surface is changed by Free Surface wave height, gas chamber pressure in moon pool is driven to change, pushing turbine rotation Power generation, to achieve the purpose that i.e. anti-wave generates electricity again;The invention forms moon pool oscillating water column Wave energy electric generator with breakwater One, compared to independent wave power device, can preferably adapt to various sea situations, improve the Stability and dependability of device, especially It is that can resist jointly wave with breakwater under limit sea situation;The invention utilizes the hydrodynamic force principle of array moon pool, anti-in floating The multiple moon pool oscillating water column Wave energy electric generators of wave dike placed inside realize circuit integration, greatly improve wave power conversion efficiency, can Effectively solution Wave energy converter absorption efficiency is low, Wave Response speed is slow, wave energy generating set is difficult independently gives birth in wave The problem of depositing.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the perspective view of steam turbine of the present invention.
Fig. 3 is overall structure front view of the present invention.
Fig. 4 is schematic diagram of internal structure of the present invention.
Fig. 5 is electrification structure schematic diagram of the present invention.
Specific embodiment:
The present invention will be further described with reference to the accompanying drawing:
Embodiment 1
The purpose of the present invention is to provide a kind of moon pool oscillating water column Wave energy converter based on floating breakwater, the dress Set can solve the capture of current wave energy with collect that performance is poor, wave energy transformation efficiency is low and floating breakwater self -support ability The problems such as poor.
Moon pool oscillating water column Wave energy electric generator based on floating breakwater include floating breakwater structure, moon pool structure and Electrification structure, the floating breakwater structure (1) are that have multiple equal radiuses identical on a surface and array arranges the circle of circular hole Column, each circular hole are through to its lower surface by the upper surface of floating breakwater, and the moon pool structure (5) is based on each equal radiuses Circular hole places a steam turbine (4) from top to bottom on the axle center of each hollow cylinder, makes steam turbine using fixing bearing 4-1 It is fixed with inner surface of hollow cylinder, the electrification structure (2) is placed in the steam turbine upper end in moon pool structure.
The floating breakwater shape is oblate cylindricality, is made of floating body and ground tackle, and floating body is horizontal from top to bottom It places, and with anchor ingot (3) fixed buoy on Free Surface.
Hingedly, the ground tackle includes anchorage (3) and anchor hawser to anchor hawser (6) in the floating breakwater and ground tackle (6), the anchor ingot is connected to the lower end of floating breakwater (1) by anchor hawser.
The hollow cylinder structure that the moon pool uses array to arrange, in every month away from floating breakwater upper surface phase inside pond Etc. steam turbine (4) is connect with moon pool inner surface with a fixing bearing 4-1.
The steam turbine (4) and moon pool structure (5) concentric installation, steam turbine housing fixing bearing 4-1, bearing both ends with The welding of moon pool inner surface, steam turbine can freely revolve along parallel " floating breakwater upper surface " plane along (inverse) hour hands in moon pool Turn.
The quantity of steam turbine (4) mechanism can increase, and the arrangement mode of steam turbine is the distribution of linear array formula.
The electrification structure (2) is placed in the corresponding each steam turbine in floating breakwater upper surface and passes through transmission shaft 2-2 Connection drives motor 2-1 single direction rotation to cause electric power generation when steam turbine works.
As shown, device includes floating breakwater structure, moon pool structure and electrification structure, wherein the moon pool uses battle array Arrange the hollow cylinder structure that arranges, in every month inside pond away from floating breakwater upper surface phase etc. with a fixing bearing by vapour Turbine is connect with moon pool inner surface, and floating breakwater upper surface places several and fixes bracket for placing electrification structure.
Embodiment 2
We have carried out following design to the different institutions of the device.
Floating breakwater shape is oblate cylindricality, is made of floating body and ground tackle, floating body material is aluminium alloy, cylindrical body There is antirust paint on surface, plays the role of anticorrosion and warning.Floating body use multiple spot scattering system anchoring approach, by floating body from up to It is lower horizontal positioned, every anchor hawser upper end is hinged on floating body lower surface, anchor hawser lower end connects anchor block, by interspersing among surrounding and consolidating More anchor hawsers, anchor hawsers due to seabed jointly flow floating breakwater system in sea
The ground tackle of floating breakwater structure includes anchor block (3) and anchor hawser (6), and anchor hawser is by wirerope and synthetic fibers structure At guaranteeing that bear enough tension not broken for anchor hawser, and be anchor point and anchor block pass through chain affixed, anchor hawser and subsea horizontal phase It connects, and is anchor point only by the power of horizontal direction.
The each steam turbine of boring internal surface of column (4) and moon pool structure (5) concentric installation in floating breakwater, Steam turbine upper end passes through transmission shaft 2-2 connection electrification structure (2), steam turbine stem and tail close to floating breakwater upper surface upper end Two fixing bearings of portion's housing, both ends are welded with moon pool inner surface on the outside of two bearings, outside wave stroke floating breakwater When surface, the gas chamber inside moon pool is acted on using the wave damping effect of floating breakwater and the poly- wave of moon pool and forms draught head, is caused Rotate freely the flabellum of steam turbine along parallel floating breakwater top surface plane along (inverse) hour hands in moon pool, to drive Electrification structure power generation.
Electrification structure includes transmission shaft 2-2, generator and its output device, and generator and its output device pass through fixed branch Frame is fixed on floating breakwater upper surface, and the lower end of transmission shaft 2-2 is welded on steam turbine upper end, and generator is fixed vertically On the fixed frame 2-3 of floating breakwater upper surface, steam turbine is established by transmission shaft 2-2 and generator and its output device and is passed Dynamic connection.
Steam turbine rotates under impact of the floating breakwater by wave, drives the transmission shaft 2-2 rotation of steam turbine upper end, Rotational speed regulation is matched to the revolving speed of generator in the inner utilization telescopic of transmission shaft 2-2, so drive generator and The work of its output device, converts electric energy for the energy in wave with this.
The above are a moon pool structure (5) and electrification structure (2) connection type, multiple moon pool structures and electrification structure phase Together, and moon pool is in the linear array distribution in floating breakwater upper surface.
In the present invention, the floating body portion lower surface of floating breakwater (1) is connect with anchor hawser (6), in floating body and ground tackle Collective effect under swim on Free Surface, the multiple hollow cylinders arranged in floating breakwater internal cable array are made For moon pool, placed in the hollow cylinder of floating breakwater upper surface inside pond there are two a upper and lower side covers in every month The steam turbine (4) of fixing bearing 4-1 welds the both ends of two fixing bearings and moon pool inner surface, anti-in wave stroke floating While wave dike, using the poly- wave effect of moon pool, huge draught head is formed in moon pool gas chamber, steam turbine is caused to rotate, band Coupled electrification structure (2) power generation is moved, to achieve the effect that i.e. anti-wave is sent out rationally using wave energy again, and is significantly mentioned The autonomous reparation supportability and oscillating water column wave energy conversion device of high floating breakwater adapt to the ability of severe sea condition, solve Wave-energy collection and it is converted into the problems such as electric energy efficiency is low.

Claims (5)

1. a kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater, structure include floating breakwater (1), anchor Device, electrification structure, moon pool structure (5) are moored, floating breakwater (1) is connected with ground tackle, and floating breakwater (1) has multiple It is moon pool structure (5) that electrification structure is installed above cylindrical hole in the cylindrical hole of upper and lower surface, cylindrical hole, it is characterised in that: The moon pool structure (5) is made of steam turbine (4) and fixing bearing, and steam turbine (4) both ends are cased with fixing bearing, fixing axle respectively The inner surface for being fixed on the cylindrical hole is held, steam turbine (4) is connected by transmission shaft (2-2) with the electrification structure.
2. a kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater according to claim 1, feature Be: cylindrical hole array distribution on floating breakwater (1), the radius of each cylindrical hole is identical, described in cylindrical hole Steam turbine (4) and the concentric placement of cylindrical hole, the fixing bearing are welded on the inner surface of cylindrical hole, and the electrification structure passes through Fixed bracket is placed on right above cylindrical hole.
3. a kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater according to claim 1, feature Be: floating breakwater (1) shape is oblate cylindricality floating body, and floating body is horizontally arranged from top to bottom, and fixed buoy is certainly By on surface, the ground tackle includes anchor ingot (3), anchor hawser (6), floating breakwater (1) is connected by anchor hawser (6) and anchor ingot (3) It connects.
4. a kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater according to claim 1, feature Be: the moon pool structure (5) is formed more by covering steam turbine and fixing bearing, and the vertical coaxial line of steam turbine is distributed in cylindrical hole In, and be connected by transmission shaft with the electrification structure.
5. a kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater according to claim 1, feature Be: the steam turbine (4) rotates freely, and steam turbine (4) drives the motor in the electrification structure by transmission shaft (2-2) (2-1) single direction rotation simultaneously generates electricity.
CN201910329492.1A 2019-04-23 2019-04-23 A kind of moon pool oscillating water column Wave energy electric generator based on floating breakwater Pending CN109882343A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110469447A (en) * 2019-07-08 2019-11-19 哈尔滨工程大学 A kind of moon pool array float Wave energy converter of adaptive sea situation
CN110725275A (en) * 2019-11-08 2020-01-24 江苏科技大学 Floating breakwater based on moon pool effect power generation
CN110985279A (en) * 2019-12-13 2020-04-10 哈尔滨工程大学 Moon pool type multi-module wave energy power generation system
CN114753959A (en) * 2022-05-17 2022-07-15 金陵科技学院 Self-lubricating hydraulic turbine power generation facility based on breakwater
CN115538373A (en) * 2022-09-23 2022-12-30 江苏科技大学 Bionic floating breakwater based on three-fan-blade-shaped blades
CN115897478A (en) * 2022-10-08 2023-04-04 江苏科技大学 Liftable intelligent breakwater

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CN106246453A (en) * 2016-08-29 2016-12-21 江苏科技大学 Oscillaton water column type Wave energy electric generator in a kind of moon pool
CN107605650A (en) * 2017-08-31 2018-01-19 哈尔滨工程大学 A kind of floating wave-power device using moon pool shock wave
CN207111309U (en) * 2017-09-11 2018-03-16 大连理工大学 A kind of new floating wind energy and wave energy combined generating system
CN109120182A (en) * 2018-08-23 2019-01-01 哈尔滨工程大学 One kind being based on oscillaton water column type piezoelectric cantilever generators

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WO2012117135A1 (en) * 2011-02-28 2012-09-07 Universidad De Cantabria Floating structure and installation for using the energy of the surge of the waves, using a floating catamaran with several oscillating water column chambers
GB2504682A (en) * 2012-08-04 2014-02-12 Havkraft As Plural OWC system with angled ports
CN104594286A (en) * 2015-01-20 2015-05-06 长沙理工大学 Floating breakwater doubling as wave power generation device
CN106246453A (en) * 2016-08-29 2016-12-21 江苏科技大学 Oscillaton water column type Wave energy electric generator in a kind of moon pool
CN107605650A (en) * 2017-08-31 2018-01-19 哈尔滨工程大学 A kind of floating wave-power device using moon pool shock wave
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110469447A (en) * 2019-07-08 2019-11-19 哈尔滨工程大学 A kind of moon pool array float Wave energy converter of adaptive sea situation
CN110725275A (en) * 2019-11-08 2020-01-24 江苏科技大学 Floating breakwater based on moon pool effect power generation
CN110985279A (en) * 2019-12-13 2020-04-10 哈尔滨工程大学 Moon pool type multi-module wave energy power generation system
CN110985279B (en) * 2019-12-13 2021-03-30 哈尔滨工程大学 Moon pool type multi-module wave energy power generation system
CN114753959A (en) * 2022-05-17 2022-07-15 金陵科技学院 Self-lubricating hydraulic turbine power generation facility based on breakwater
CN114753959B (en) * 2022-05-17 2023-09-12 金陵科技学院 Self-lubricating water turbine power generation device based on breakwater
CN115538373A (en) * 2022-09-23 2022-12-30 江苏科技大学 Bionic floating breakwater based on three-fan-blade-shaped blades
CN115538373B (en) * 2022-09-23 2023-09-12 江苏科技大学 Bionic floating breakwater based on three-blade-shaped blades
CN115897478A (en) * 2022-10-08 2023-04-04 江苏科技大学 Liftable intelligent breakwater
CN115897478B (en) * 2022-10-08 2023-10-24 江苏科技大学 Liftable intelligent breakwater

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Application publication date: 20190614