CN108488024A - A kind of power generator for oscillating water column damper - Google Patents
A kind of power generator for oscillating water column damper Download PDFInfo
- Publication number
- CN108488024A CN108488024A CN201810368821.9A CN201810368821A CN108488024A CN 108488024 A CN108488024 A CN 108488024A CN 201810368821 A CN201810368821 A CN 201810368821A CN 108488024 A CN108488024 A CN 108488024A
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- China
- Prior art keywords
- flabellum
- rotary shaft
- generator
- disks
- power generator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- 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
Abstract
The present invention relates to a kind of power generator for oscillating water column damper, including turbine, generator and controller, turbine is located at the U-tube column bottom inner portion of oscillating water column damper, including two disks, rotary shaft, one group of flabellum axle and flabellum, two disks are fixed on the opposite upper and lower surfaces in U-tube column bottom end, one end of rotary shaft is connect by bearing with two disks, each flabellum is located between two disks and is connected on the rotary shaft by corresponding flabellum axle, the other end of rotary shaft is pierced by from U-tube column bottom end, it is pierced by position sealed connection, rotating torque is transmitted in the generator of o exterior by the rotation of flabellum by rotary shaft.The present invention can generate electricity while damping.
Description
Technical field
The present invention relates to a kind of power generator mounted on oscillating water column damper.
Background technology
A variety of land, marine skyscraper, apparent mass motion is will produce under the action of external applied load, it is strong to reduce structure
Degree increases the impaired probability of building.Land skyscraper will produce because of its elongated architectural characteristic when in face of being carried compared with high wind
Reciprocating motion by a relatively large margin causes internal structure fatigue fracture, to which structural failure even destroys.Marine floating type platform is in
The deepwater regions of offshore farther out, operating environment are complicated.Its mass motion, especially horizontal movement amplitude is larger, this is for improving
Drilling operation efficiency, platform security and fatigue life can all bring adverse effect.And traditional the methods of reinforcement structure intensity
Inhibit this movement often to increase substantially building cost, and the movenent performance of platform be by platform structure type and
What its characteristic determined, by reinforcement structure come to improve its movenent performance be very difficult.Mitsubishi Zhi Gang companies were once directed to
Passive damping device is improved, and develops a kind of energy-saving building damping device (APWD), being added to oil pressure control system makes
It is provided with the function of enthusiasm damping.But because of the limit of the maximum carrying pressure of oil gear itself so that the device can only
For the smaller lower operating mode of building or load, applicability is relatively low.It is passive to control other efficiently and in lower cost solution
Damping device is a preferable selection.The device can absorb the energy caused by building movement during vibration damping, generate
The fluid column reciprocating vibration formula of the stabilization of large amplitude moves, and to reduce building or offshore platform Oscillation Amplitude, realizes the effect of damping
Fruit.Equipment design simultaneously, installation cost are low, applied widely, can be used on large-scale building on land and offshore platform.、
At the same time, the energy contained in the fluid motion of damping device internal stability rule, and have very wide
Wealthy Utilization prospects.Existing tidal current generator and wave energy generating set etc. are all that the tide energy of assimilated equations movement is lived
Wave energy generates electricity.
Conventional tune liquid column type dampener body existing at present is usually U-tube column and big quantity of fluid is housed, U-shaped
Horizontal tubing portion the partition board or throttle valve of aperture are installed out, the liquid in pipe can occur back and forth with the movement of tubing string
Movement is to realize damping effect.But because the leakproofness of U-tube column makes the different sea situations that are difficult to be directed to of restricting orifice replace, make
It is relatively narrow with range.And its a large amount of space occupied is compared, being only capable of providing the cushioning effect of fixed effect makes its applicability
It has a greatly reduced quality.
Invention content
The object of the present invention is to provide a kind of generators suitable for oscillating water column damper, can be applicable to and frequently suffer from platform
The building on land of the larger wind load such as wind and the floating platform etc. to work under the sea situation of deep-sea.Technical solution is as follows：
A kind of power generator for oscillating water column damper, including turbine, generator and controller, which is characterized in that
Turbine is located at the U-tube column bottom inner portion of oscillating water column damper, including two disks, rotary shaft, one group of flabellum axle and flabellum,
Two disks are fixed on the opposite upper and lower surfaces in U-tube column bottom end, and one end of rotary shaft is connected by bearing and two disks
Connect, each flabellum be located between two disks and by the connection of corresponding flabellum axle on the rotary shaft, the other end of rotary shaft is from U
Type tubing string bottom end is pierced by, and is pierced by position sealed connection, and rotating torque is transmitted to o exterior by the rotation of flabellum by rotary shaft
Generator in.
Preferably, each blade structure is identical with size, and equal section is semicircle, even to be distributed in rotary shaft periphery, by controlling
Device processed is adjusted to most suitable angle according to damping operating mode and power generation needs control flabellum rotation.
The invention adopts the above technical scheme, which has the following advantages：
(1) oscillating water column dampener body is the U-tube column being fixed on platform, internal that big quantity of fluid is housed.It is fixed
It can be moved with the movement of platform in the TLCD of platform, therefore internal liquid also generates corresponding move back and forth.Work as liquid
Movement close to platform intrinsic frequency when, therefore liquid can generate the part for significantly moving back and forth and absorbing Platform Vibration
Kinetic energy, to realize the effect of damping.Power generator can be equally U-tube as traditional choke block during rotation
The reciprocating motion of fluid provides damping force in column, but it is different from the fixed choke block of shape can only to provide single damping force.Hair
For electric installation by an axis connection to power generator, the load of application of the power generator in power generation process is different, will make U
Power generator is rotated with friction speed in type tubing string,, can when in face of different marine operating modes to provide different damping forces
It is corresponding to carry out damping force adjusting, to maximum shock absorption effect.
(2), its section of power generator flabellum is semicircle, ensures to flow down in the liquid of a direction, corresponding two
One concave surface of flabellum of side faces incoming, another convex surface faces incoming.Also the liquid therefore suffered by two symmetrical flabellums is applied
The resultant force for being added in blade surface is not of uniform size, to generate torque counterclockwise, entire vane device is driven to rotate.When liquid exists
It is moved back and forth in one period, when incoming impacts flabellum again from negative direction, the torque that liquid generates equally is counterclockwise, to real
Now no matter any direction incoming all drives entire flabellum to be rotated toward a direction.It improves device lifetime while maximising power generation
Efficiency.
(3) during the work time, the reciprocating motion of internal liquid has driven the rotation of power generator flabellum.Pass through one
Torque transmitting will be generated to power generator by being fixed on the axis among flabellum, drive power generator to work, on platform
Running provide electric energy.
Description of the drawings
Fig. 1 is the oscillating water column damper stereogram for being mounted with two sets of power generator.
(1) (2) (3) of Fig. 2 are respectively flabellum state of the liquid column type damping device under different resistances.
Fig. 3 flabellum force analysis figures.
Figure label explanation：
1.U type tubing strings；2. turbine；3. generator；4. rotary shaft；5. flabellum；6. flabellum axle；7 disks
Specific implementation mode
The present invention is described in detail with reference to the accompanying drawings and examples.
Existing structure form can be improved by introducing the devices such as power generator, and then make floating platform motion suppression systems
The function of electric energy conversion is had both, carrying the motion suppression systems of active control in this way can be realized by self-powered mode to complexity
Comprehensive inhibition of floating platform mass motion under sea situation.In addition, most of offshore platform and manage the bearing capacity of building with it is interior
Portion space is all very limited, for offshore platform, can utilize control by being transformed with buoyancy tank to the column for providing ballast
System realizes that the power generator being closed completely is loaded on the junction of column and floating drum, and it is flat to establish the ocean that can be run under conventional sea situation
Platform provides the multifunction structure optimization system of sufficient supply of electric power.Or the inner space using building on land dicoration pillar, structure
The U-tube column inside building is built, damping effect and power generation are realized to interior in a limited space.Illustrate that this subtracts below in conjunction with the accompanying drawings
The implementation process for power generator of shaking：
It is mounted with that the oscillating water column damper of the power generator of two sets of present invention includes：One U-tube column, 1,2 turbines 3,
Corresponding to the rotary shaft 4 and generator 3 of the number of turbine.Wherein U-tube column 1 need to according to actual installation build or platform it is specific
Size and select corresponding size, 3 cross section of turbine need to be less than U-tube column bottom end area of section, with ensure its installation and running
Inner tubal wall will not be touched.Generator 3 can be selected according to the actual demand for generating electric power, to maximally utilize generated electricity
Power.
Each section of the present invention can separately manufactured, transport, the finally unified assembling on platform.By above-mentioned various assemblies root
According to parameters such as platform specific object quantification, length, the correlation properties of sectional area, radius, turbine, flexible combination is carried out, just
It forms one kind to be suitable for that not only there is shock-absorbing function but also can generate electricity, the shock-absorbing generation device of electric power energy is provided for building.
Oscillating water column dampener body is one and the comparable U-tube column 1 of platform size, can be fixed on stage apparatus top
Main structure or underwater portion.U-tube column both ends seal, and inside ensures platform and U-tube column equipped with the fluid less than pipe column volumes
Liquid can be in internal flow in vibration processes.An aperture is opened in U-tube column middle upper portion, it is made just to can be inserted one
Rotary shaft 4, and to being sealed around aperture, ensure what the watertightness of whole device and rotary shaft rotated by devices such as bearings
Flexibility.Rotary shaft one end is connected with 4 flabellums 5 in an angle of 90 degrees arrangement, and phase can be generated around axis under the promotion of internal flow
The rotation answered.
Simultaneously as corresponding 5 shape of flabellum in 4 both ends of rotary shaft is semicircle so that two when in face of same direction incoming
The torque that a flabellum generates rotary shaft differs.To drive rotary shaft to generate rotation counterclockwise.Week is vibrated at one
Flow direction can change in phase, but because the special arrangement of flabellum so that no matter fluid is flowed from which direction, produced
Resultant moment be all counterclockwise.So as to continue to rotate counterclockwise during platform is vibrated by outer force effect.
The other end of rotary shaft connects generator.Rotary shaft rotation is driven by flabellum, then drives built-in generator phase
Equipment is answered to work, to which kinetic energy is converted into electric energy.Supply of electric power is provided for entire platform.
For the damping force effect of whole device.When the damping force that platform is certain particular size of acquisition, so that device
Fluid power frequency close to the intrinsic frequency of whole device, when to realize optimal damping effect, it is different that generator selection can be passed through
Generated output, to rotary shaft apply particular size counter-force away to realize the optimization of damping effect.
As shown in Figure 1, to improve the utilization ratio of hydrodynamic, better generating efficiency is obtained, while improving damping hair
The damping effect of electric installation.2 or multiple turbines and generator can be installed inside U-tube column.Between each turbine mutually solely
It is vertical, one generator of each independent correspondence so that whole device can get more multi-form fluid damping power, be more conducive to adjust dress
The intrinsic frequency set makes it meet the damping requirement under more multi-state.
Flabellum corner is adjusted, to which the realization for obtaining different fluid damping forces is as shown in Figure 2.In Fig. 2, each flabellum 5
It is all fixed on disk 7 by a flabellum axle 6, wherein flabellum 5 can at an angle be rotated around flabellum axle 6.To obtain most
Flabellum can be opened to maximum, as shown in Figure 1 by big fluid damping power so that the blade endpoint line vertical join line of flabellum with
The tangent line of disk point of intersection has obtained maximum fluoran stream surface product, to improve fluid damping power.If turning fluid damping power down,
Each flabellum can angularly be rotated clockwise around flabellum axle 6.To turn flabellum fluoran stream surface product down, fluid damping power is reduced.Fan
Leaf rotation is controlled by controller, and most suitable angle is adjusted to according to different damping operating modes and power generation needs.
As shown in figure 3, its under incoming effect of power generator meets the recessed blade face of stream and convex blade face simultaneously by incoming
Pull force effect.But because drag of the fluid on recessed blade face is more than the drag on convex blade face so that is be subject on recessed blade face is total
Power is more than convex blade face, and in current direction of flow, entire flabellum obtains torque counterclockwise, to rotate counterclockwise.Work as liquid
In the second half of the cycle of oscillation, when flowing through power generator from another direction, the position and first half on recessed blade face and convex blade face
A period is on the contrary, to can equally generate torque counterclockwise so that the fluid dynamic of whole cycle may be by generating electricity, and obtain
Obtain maximum generating efficiency.
Claims (2)
1. a kind of power generator for oscillating water column damper, including turbine, generator and controller, which is characterized in that whirlpool
Wheel is positioned at the U-tube column bottom inner portion of oscillating water column damper, including two disks, rotary shaft, one group of flabellum axle and flabellum, and two
A disk is fixed on the opposite upper and lower surfaces in U-tube column bottom end, and one end of rotary shaft is connect by bearing with two disks,
Each flabellum be located between two disks and by the connection of corresponding flabellum axle on the rotary shaft, the other end of rotary shaft is from U-shaped
Tubing string bottom end is pierced by, and is pierced by position sealed connection, and rotating torque is transmitted to o exterior by the rotation of flabellum by rotary shaft
In generator.
2. power generator according to claim 1, feature exist, each blade structure is identical with size, and equal section is half
Circle, it is even to be distributed in rotary shaft periphery, it is adjusted to most suitable according to damping operating mode and power generation needs control flabellum rotation by controller
The angle of conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368821.9A CN108488024A (en) | 2018-04-23 | 2018-04-23 | A kind of power generator for oscillating water column damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368821.9A CN108488024A (en) | 2018-04-23 | 2018-04-23 | A kind of power generator for oscillating water column damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488024A true CN108488024A (en) | 2018-09-04 |
Family
ID=63313883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810368821.9A Pending CN108488024A (en) | 2018-04-23 | 2018-04-23 | A kind of power generator for oscillating water column damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN108488024A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779825A (en) * | 2019-01-16 | 2019-05-21 | 中国科学院广州能源研究所 | Rectangle annular tube type oscillating water column wells turbine power generator |
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| US20040201153A1 (en) * | 2003-04-09 | 2004-10-14 | Yung-Hsiang Chen | Propeller-controlled active tuned-liquid-column damper |
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| CN107747526A (en) * | 2017-11-21 | 2018-03-02 | 顾坚毅 | A kind of suspension type water wheels low water head tail water generating system |
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2018
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| CN104033327A (en) * | 2014-06-25 | 2014-09-10 | 长沙理工大学 | U-shaped tube type wave power generation device adopting double floaters |
| CN204283718U (en) * | 2014-11-21 | 2015-04-22 | 黄修筠 | Bilateral one-way hydraulic formula oscillating water column type wave energy generating set |
| CN205858561U (en) * | 2016-06-20 | 2017-01-04 | 兰州理工大学 | A kind of based on the reversible wing and wave energy generating set of phase modulation resonance technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779825A (en) * | 2019-01-16 | 2019-05-21 | 中国科学院广州能源研究所 | Rectangle annular tube type oscillating water column wells turbine power generator |
| CN109779825B (en) * | 2019-01-16 | 2021-04-02 | 中国科学院广州能源研究所 | Rectangular ring tube type oscillating water column symmetrical wing turbine power generation device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |
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| RJ01 | Rejection of invention patent application after publication |