CN105134466A - Oscillating type wave power generation device capable of being limited in rough seas - Google Patents

Oscillating type wave power generation device capable of being limited in rough seas Download PDF

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Publication number
CN105134466A
CN105134466A CN201510536394.7A CN201510536394A CN105134466A CN 105134466 A CN105134466 A CN 105134466A CN 201510536394 A CN201510536394 A CN 201510536394A CN 105134466 A CN105134466 A CN 105134466A
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China
Prior art keywords
fixed support
oscillating
cabin
pendulum plate
type wave
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Application number
CN201510536394.7A
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Chinese (zh)
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CN105134466B (en
Inventor
邱守强
叶家玮
王冬姣
苏成
梁富琳
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South China University of Technology SCUT
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South China University of Technology SCUT
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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
    • 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

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  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses an oscillating type wave power generation device capable of being limited in rough seas. The oscillating type wave power generation device comprises a first fixing support, a second fixing support, a hollow oscillating plate, hinging shafts, and a power generation mechanism driven to generate power through oscillating mechanical energy of the oscillating plate. The oscillating plate is located between the first fixing support and the second fixing support, and the bottom of the oscillating plate is fixedly connected with the hinging shafts. Each hinging shaft is erected between the first fixing support and the second fixing support in the mode of rotating around the axis of the hinging shaft. The oscillating type wave power generation device further comprises a ballast water device, an overwater cabin arranged on the top of any fixing support, an oscillating plate oscillating amplitude detecting device and a PLC control system, wherein the oscillating plate oscillating amplitude detecting device and the PLC control system are arranged in the overwater cabin. According to the oscillating type wave power generation device, the restoring moment of a ballast tank at the bottom end of the oscillating is changed by controlling water feeding and draining of the ballast tank, and therefore the oscillating amplitude of the oscillating plate is controlled in rough seas, the situations of extreme collision and output overload of the oscillating plate can be prevented, and the function that the device can normally work and survive in extreme rough sea environments is guaranteed.

Description

Pendulous type wave power generating device that can be spacing in a kind of billow
Technical field
The present invention relates to a kind of wave-type electric generator, particularly relate to can be spacing in a kind of billow pendulous type wave power generating device.
Background technique
Environment, the energy and population pressure accelerate the paces of human development ocean.Wave energy aboundresources in ocean, people have invented various wave-type electric generator and have carried out the conversion of wave energy to electric energy.Ocean environment residing for wave-type electric generator is very complicated, and therefore effective wave-type electric generator must meet generating continous-stable, the preferably feature such as vital capacity and maintainability.But focus mostly in the energy conversion efficiency of device to the research of wave energy generating set at present, so that the vital capacity key issue of storm surge Wave electricity generating device is not paid attention to preferably.For severe environmental conditions such as extreme billows, the normal work of existing technology many employings standing wave wave electric generating apparatus, sinks to seabed to hide stormy waves; Or give and larger structural loads bearing capacity etc. in the design phase.Above-mentioned all measures have certain validity, but also can bring the adverse effects such as higher operation and cost of production simultaneously.
Pendulous type wave power generating device has larger wave supporting plane, can be subject to larger wave impact force in billow, causes pendulum plate to shake and excessive even exceedes its normal operation position limit, make pendulum panel assembly that fatal machinery or structural failure occur.The present invention is directed to the dangerous working condition of pendulous type wave power generating device in billow, design one and can control pendulum plate wave amplitude in billow, prevent its amplitude of oscillation comparatively large and keep the electricity generating device of continuous firing.Waving amplitude and can control due to this device, therefore ensure that the continous-stable of generated energy exports, also improves the anti-storm vital capacity of device simultaneously.Therefore there is good application prospect.
Summary of the invention
The object of the present invention is to provide a kind of pendulous type wave power generating device mechanism that can manually or automatically control.Unlikely comparatively large by waving amplitude in billow to the control realization pendulum plate of ballast tank ballast water, prevent the situation of putting the collision of the plate generation limit and output overloading from occurring, ensure the function of normal work and vital capacity in its extreme billow environment.
Mechanism of the present invention composition and technological scheme as follows:
Pendulous type wave power generating device that can be spacing in a kind of billow, comprise the first fixed support and the second fixed support, the pendulum plate of hollow, hinging shaft, the power facility of generating is driven by the swing mechanical energy of pendulum plate, described pendulum plate between the first fixed support and the second fixed support and bottom be fixedly connected with hinging shaft, described hinging shaft is erected between described first fixed support and the second fixed support rotationally centered by its axis, also comprise ballast water device, be arranged on the cabin waterborne at arbitrary fixed support top, be arranged at the pendulum plate amplitude of oscillation detection device in cabin waterborne and PLC control system, described ballast water device be positioned at pendulum plate immediately below and be fixedly connected with hinging shaft, described pendulum plate amplitude of oscillation detection device is for detecting the amplitude of fluctuation of pendulum plate, described PLC control system is connected with pendulum plate amplitude of oscillation detection device and ballast water device circuit, for water filling and the draining of the swing-scanning control ballast water device according to pendulum plate.
The pendulous type wave power generating device that this programme provides can control pendulum plate by the water content controlling ballast water device and wave amplitude in billow, as increased the water yield in ballast water device when billow, just can increase the restoring moment of described generating main body, what reduce pendulum plate shakes width; Otherwise, the water yield that can reduce during moderate seas in ballast water device realizes the function reducing described generating main body restoring moment, waving amplitude and can control due to this device, therefore ensure that the continous-stable of generated energy exports, also improves the anti-storm vital capacity of device simultaneously.
Further, submersible pump out of my cabin in the cabin that described ballast water device comprises the cylindrical ballast tank of the sealing be fixedly connected with hinging shaft, be arranged in ballast tank outside submersible pump and ballast tank, ballast tank is provided with the air pipe interface and waterpipe jointing that are communicated with its inner chamber, in the water outlet of described submersible pump out of my cabin and cabin, the water outlet of submersible pump is respectively by a water pipe connecting water pipe interface, and described air pipe interface connects tracheae.The ballast water apparatus structure that this programme provides is simple, control is convenient, is convenient to implement and safeguard.
Further, described power facility comprises underwater power generator, the housing of described underwater power generator is fixed on fixed support, and the input shaft of described underwater power generator is coaxially connected with described hinging shaft 2 one end, and the sending end of described underwater power generator is connected to cabin waterborne by cable.What this programme adopted underwater sealing directly drives electrification structure, and mechanism is simple, easy construction.
Further, described power facility comprises hydraulic generating set, described hydraulic generating set comprises and is arranged on oil hydraulic motor in cabin waterborne and generator, one end and is fixed on seabed or the floating platform the other end oil hydraulic cylinder hinged with pendulum plate, described oil hydraulic cylinder is by oil pipe connecting fluid pressure motor, and described hydraulic motor output shaft connects generator.This programme adopts hydraulic system that the mechanical energy of pendulum plate is converted to hydraulic energy and drives generator, generator can be placed in cabin waterborne like this, without the need to selecting the underwater power generator very high to sealing requirements.
Further, described first fixed support and the second fixed support are provided with the supporting base be rotationally connected with hinging shaft end.
Further, the outlet end of described tracheae is fixed on the first fixed support or the second fixed support top, guarantees that the air loaded in storehouse passes in and out smoothly.
Compared to existing technology, the invention has the beneficial effects as follows: plate restoring moment is put in the draining control break of entering that the present invention controls to put plate bottom ballast tank automatically by the amplitude of fluctuation of monitoring, thus realize the control of in billow, pendulum plate main body being shaken to width, prevent the situation of putting the collision of the plate generation limit and output overloading from occurring, both ensure that the continous-stable of generated energy exported, also ensure the function of normal work and vital capacity in its extreme billow environment, there is good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of pendulous type wave power generating device embodiment one that can be spacing in a kind of billow of the present invention.
Fig. 2 is pendulous type wave power generating device pendulum plate and ballast tank structural representation that can be spacing in a kind of billow of the present invention.
Fig. 3 is the structural representation of pendulous type wave power generating device embodiment two that can be spacing in a kind of billow of the present invention.
Fig. 4 is the fundamental diagram of pendulous type wave power generating device that can be spacing in a kind of billow of the present invention.
Shown in figure be: 1-puts plate; 2-hinging shaft; 3-ballast tank; Submersible pump in 4-cabin; 5-is submersible pump out of my cabin; 6-water pipe; 7-tracheae; 8-power cable; 9-first fixed support; 10-cabin waterborne; 11-oil hydraulic cylinder; 12-oil pipe; 13-second fixed support; 14-underwater power generator; 15-cable; 16-supporting base; The 17-water surface.
Embodiment
Be described in further detail goal of the invention of the present invention below in conjunction with the drawings and specific embodiments, embodiment can not repeat one by one at this, but therefore embodiments of the present invention are not defined in following examples.
Embodiment one
As shown in Figure 1, pendulous type wave power generating device that can be spacing in a kind of billow, comprise the first fixed support 9 and the second fixed support 13, the pendulum plate 1 of hollow, hinging shaft 2, driven the power facility of generating by the swing mechanical energy of pendulum plate 1, described pendulum plate 1 between the first fixed support 9 and the second fixed support 13 and bottom be fixedly connected with hinging shaft 2, pendulum plate 1 is hollow structure, the enough buoyancy that meets and self top-up and the structural strength under wave effect can be provided in water, make material and do not limit, described hinging shaft 2 is erected between described first fixed support 9 and the second fixed support 13 rotationally centered by its axis, described first fixed support 9 and the second fixed support 13 are provided with the supporting base 16 be rotationally connected with hinging shaft 2 end, also comprise ballast water device, be arranged on the cabin waterborne 10 at arbitrary fixed support top, be arranged at the pendulum plate amplitude of oscillation detection device in cabin 10 waterborne and PLC control system, described ballast water device be positioned at pendulum plate 1 immediately below and be fixedly connected with hinging shaft 2, described pendulum plate amplitude of oscillation detection device is for detecting the amplitude of fluctuation of pendulum plate 1, described PLC control system is connected with pendulum plate amplitude of oscillation detection device and ballast water device circuit, for water filling and the draining of the swing-scanning control ballast water device according to pendulum plate.
Specifically, as shown in Figure 2, in the present embodiment, described ballast water device comprises the cylindrical ballast tank 3 of the sealing be fixedly connected with hinging shaft 2, be arranged on the submersible pump out of my cabin 5 outside submersible pump 4 and ballast tank 3 in the cabin in ballast tank 3, in cabin, submersible pump 4 is powered by the power cable 8 being connected cabin 10 waterborne with submersible pump 5 out of my cabin, ballast tank 3 is provided with the air pipe interface and waterpipe jointing that are communicated with its inner chamber, in the water outlet of described submersible pump out of my cabin 5 and cabin, the water outlet of submersible pump 4 is respectively by a water pipe 6 connecting water pipe interface, described air pipe interface connects tracheae 7, the outlet end of described tracheae 7 is fixed on the first fixed support 9 top, guarantee that air passes in and out smoothly.
Specifically, described in the present embodiment, power facility comprises hydraulic generating set, described hydraulic generating set comprises and is arranged on oil hydraulic motor in cabin 10 waterborne and generator, one end and is fixed on seabed or the floating platform the other end oil hydraulic cylinder 11 hinged with pendulum plate 1, described oil hydraulic cylinder 11 is by oil pipe 12 connecting fluid pressure motor, described hydraulic motor output shaft connects generator, and cabin 10 waterborne is higher than the water surface 17.
First fixed support 9 and second fixed support 13 of the present embodiment, cylinder body one end of oil hydraulic cylinder 11 is fixed on seabed or floating platform, piston rod one end of oil hydraulic cylinder 11 is connected on pendulum plate 1, pendulum plate 1 and ballast tank 3 all can rotate around hinging shaft 2, pendulum plate 1 is when wave energy effect lower swing, oil hydraulic cylinder 11 is driven to move, in cylinder, hydraulic oil drives the oil hydraulic motor being positioned at cabin 10 waterborne by oil pipe 12, oil hydraulic motor then drives electrical power generators, institute's electricity transfers to power station, land finally by submarine cable and carries out the process such as pressure regulation, if when in billow environment, pendulum plate amplitude of oscillation detection device detects that the amplitude of oscillation of pendulum plate 1 is greater than maximum set value, PLC control system then starts submersible pump 5 out of my cabin, water filling in ballast storehouse 3, in ballast storehouse 3, air is discharged by tracheae 7, increase the restoring moment of described generating main body, until the amplitude of oscillation of pendulum plate 1 returns in normal range (NR), otherwise, in moderate seas environment when putting plate amplitude of oscillation detection device and detecting that the amplitude of oscillation of pendulum plate 1 is less than minimum setting value, PLC control system then starts submersible pump 4 in cabin, water in ballast storehouse 3 is discharged, air enters in ballast tank 3 by tracheae, reduce the restoring moment of described generating main body, until the amplitude of oscillation of pendulum plate 1 returns in normal range (NR), pendulum plate amplitude of oscillation detection device obtains the rotation angle around hinging shaft 2 of pendulum plate 1 by angle transducer.
Embodiment two
As shown in Figure 3, the difference of the present embodiment and embodiment one is: described power facility comprises underwater power generator 14, described underwater power generator 14 adopts reliable watertight technology, its housing is fixed on fixed support, the input shaft of described underwater power generator 14 is coaxially connected with described hinging shaft 2 one end, the sending end of described underwater power generator 14 is connected to cabin 10 waterborne by cable 15, powered by wave energy pendulum plate 1 swings around hinging shaft 2, hinging shaft 2 drives the underwater power generator 14 be attached thereto to rotate when rotating, realize generating, institute's generated energy the most laggard cable 15 and submarine cable excessively transfer to power station, land and carry out the process such as pressure regulation.What the present embodiment adopted underwater sealing directly drives electrification structure, and mechanism is simple, easy construction.
Fig. 4 is the principle schematic of embodiment one embodiment two.The pendulous type wave power generating device that above-described embodiment provides can be singlely be arranged in seabed or floating platform, also can be arranged in seabed or floating platform by multiple apparatus array.
It should be pointed out that electricity generating plan of the present invention is not limited to hydraulic pressure generating system described in embodiment and underwater power generator system, other utilize energy conversion system of this pendulum plate+ballast tank structural type all to belong to the protection domain of this invention.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.

Claims (6)

1. pendulous type wave power generating device that can be spacing in a billow, comprise the first fixed support (9) and the second fixed support (13), the pendulum plate (1) of hollow, hinging shaft (2), the power facility of generating is driven by the swing mechanical energy of pendulum plate (1), described pendulum plate (1) is positioned between the first fixed support (9) and the second fixed support (13) and bottom and is fixedly connected with hinging shaft (2), described hinging shaft (2) is erected between described first fixed support (9) and the second fixed support (13) rotationally centered by its axis, it is characterized in that: also comprise ballast water device, be arranged on the cabin waterborne (10) at arbitrary fixed support top, be arranged at the pendulum plate amplitude of oscillation detection device in cabin waterborne (10) and PLC control system, described ballast water device to be positioned at immediately below pendulum plate (1) and to be fixedly connected with hinging shaft (2), described pendulum plate amplitude of oscillation detection device is for detecting the amplitude of fluctuation of pendulum plate (1), described PLC control system is connected with pendulum plate amplitude of oscillation detection device and ballast water device circuit, for water filling and the draining of the swing-scanning control ballast water device according to pendulum plate.
2. pendulous type wave power generating device that can be spacing in billow according to claim 1, it is characterized in that: described ballast water device comprises the cylindrical ballast tank of sealing (3) be fixedly connected with hinging shaft (2), be arranged on submersible pump (4) and ballast tank (3) submersible pump out of my cabin (5) outward in the cabin in ballast tank (3), ballast tank (3) is provided with the air pipe interface and waterpipe jointing that are communicated with its inner chamber, in the water outlet of described submersible pump out of my cabin (5) and cabin, the water outlet of submersible pump (4) is respectively by water pipe (6) connecting water pipe interface, described air pipe interface connects tracheae (7).
3. pendulous type wave power generating device that can be spacing in billow according to claim 2, it is characterized in that: described power facility comprises underwater power generator (14), the housing of described underwater power generator (14) is fixed on fixed support, the input shaft of described underwater power generator (14) is coaxially connected with described hinging shaft (2) one end, and the sending end of described underwater power generator (14) is connected to cabin waterborne (10) by cable (15).
4. pendulous type wave power generating device that can be spacing in billow according to claim 2, it is characterized in that: described power facility comprises hydraulic generating set, described hydraulic generating set comprises and is arranged on oil hydraulic motor in cabin waterborne (10) and generator, one end and is fixed on seabed or the floating platform the other end oil hydraulic cylinder (11) hinged with pendulum plate (1), described oil hydraulic cylinder (11) is by oil pipe (12) connecting fluid pressure motor, and described hydraulic motor output shaft connects generator.
5. pendulous type wave power generating device that can be spacing in the billow according to claim 3 or 4, is characterized in that: described first fixed support (9) and the second fixed support (13) are provided with the supporting base (16) be rotationally connected with hinging shaft (2) end.
6. pendulous type wave power generating device that can be spacing in billow according to claim 5, is characterized in that: the outlet end of described tracheae (7) is fixed on the first fixed support (9) or the second fixed support (13) top.
CN201510536394.7A 2015-08-27 2015-08-27 Can be with spacing pendulous type wave power generating device in a kind of billow Expired - Fee Related CN105134466B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355338A (en) * 2017-07-24 2017-11-17 哈尔滨工程大学 A kind of flowing water power generation device
CN108194253A (en) * 2018-02-28 2018-06-22 华南理工大学 A kind of wave slope accumulates adjustable gravity swing type wave-power device

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CN103147905A (en) * 2013-02-25 2013-06-12 国家海洋局第二海洋研究所 Buoyancy swing device adapting to change of tide levels
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CN103867375A (en) * 2014-03-24 2014-06-18 长沙理工大学 Buoyancy swing plate design adopting gravity sliding block
CN203867767U (en) * 2014-04-02 2014-10-08 大连海洋大学 Bottom mounted low-center of gravity wave energy power generation device
CN104863786A (en) * 2015-04-14 2015-08-26 青岛理工大学 Adjustable symmetrical swing plate type wave power generation device

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CN103147905A (en) * 2013-02-25 2013-06-12 国家海洋局第二海洋研究所 Buoyancy swing device adapting to change of tide levels
CN103867375A (en) * 2014-03-24 2014-06-18 长沙理工大学 Buoyancy swing plate design adopting gravity sliding block
CN203867767U (en) * 2014-04-02 2014-10-08 大连海洋大学 Bottom mounted low-center of gravity wave energy power generation device
CN104863786A (en) * 2015-04-14 2015-08-26 青岛理工大学 Adjustable symmetrical swing plate type wave power generation device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355338A (en) * 2017-07-24 2017-11-17 哈尔滨工程大学 A kind of flowing water power generation device
CN108194253A (en) * 2018-02-28 2018-06-22 华南理工大学 A kind of wave slope accumulates adjustable gravity swing type wave-power device
CN108194253B (en) * 2018-02-28 2024-06-11 华南理工大学 Gravity pendulum type wave power generation device with adjustable wave-facing area

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