CN106382182A - Passive wave absorbing and roll damping power generation device of floating draught fan platform - Google Patents
Passive wave absorbing and roll damping power generation device of floating draught fan platform Download PDFInfo
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- CN106382182A CN106382182A CN201610899805.3A CN201610899805A CN106382182A CN 106382182 A CN106382182 A CN 106382182A CN 201610899805 A CN201610899805 A CN 201610899805A CN 106382182 A CN106382182 A CN 106382182A
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- platform
- floating
- fan platform
- wave
- energy
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
- B63B1/107—Semi-submersibles; Small waterline area multiple hull vessels and the like, e.g. SWATH
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- 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
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/20—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
- B63B1/14—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected resiliently or having means for actively varying hull shape or configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
- H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
- B63B2039/067—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water effecting motion dampening by means of fixed or movable resistance bodies, e.g. by bilge keels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/95—Mounting on supporting structures or systems offshore
-
- 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 invention provides a passive wave absorbing and roll damping power generation device of a floating draught fan platform. The passive wave absorbing and roll damping power generation device comprises the floating draught fan platform, wave absorbing floaters, buffer springs and linear generators. The floating draught fan platform comprises platform pile legs and brace rods. Each linear generator comprises a stator and a rotor. The passive wave absorbing and roll damping power generation device can reduce motion response of floating draught fans under the wave action and can also absorb wave energy and convert wave energy into electric energy. The buffer springs and the linear generators can play a role of roll damping, increase motion damping of the floating draught fan platform and can reduce motion response of the floating draught fan platform under the wave action. The wave absorbing floaters absorb wave energy and convert wave energy into motion mechanical energy of the wave absorbing floaters. The motion mechanical energy of the wave absorbing floaters can be converted into electric energy through the linear generators. The passive wave absorbing and roll damping power generation device can effectively reduce the motion response of the floating draught fan platform under waves, enable the draught fans to be in a more stable operating state and improve the working efficiency and safety of the draught fans.
Description
Technical field
The present invention relates to the sea-keeping of the exploitation of wave energy and wind energy and marine structure, more particularly, to a kind of drift
The passive type of floating fan platform is inhaled ripple and is subtracted and shakes TRT, belongs to Naval Architecture and Ocean Engineering field.
Background technology
Utilize field in wind energy development, wind energy on the sea not only reserves, and also wind energy concentration is higher, is more beneficial for exploitation profit
With.At present, in the exploitation of wind energy, land blower fan technology is quite ripe, and offshore wind turbine technology also much weighs
Problem is wanted to need to solve.Offshore wind turbine is divided into fixed blower fan and two kinds of floatation type blower fan, and fixed blower fan is applied to the depth of water not
Too deep marine site, because its pile foundation is fixed on seabed, compares similar with land blower fan, does not have too many technology at present in application
On a difficult problem, and floatation type blower fan in application but a lot of technical challenge, this is also that current wind energy on the sea develops
Carry out slow main cause.Floatation type blower fan due to there is no stable pile foundation, under wave and wind action, fan platform meeting
Produce larger motion response, work efficiency and the safety of blower fan can be had a strong impact on, how to reduce fan platform in wave and
Motion response under wind effect is the key technology of floatation type blower fan.
Content of the invention
The invention aims to be capable of subtracting shaking, reduce motion response under wave for the floatation type fan platform,
Can realize absorbing wave-energy power generation and provide a kind of passive type of floatation type fan platform to inhale ripple and subtract and shake TRT, its structure
Design ingenious, functional diversities, work efficiency and the safety of blower fan can be effectively improved.
The object of the present invention is achieved like this:Including the support by least three platform legs with for connecting platform spud leg
Bar composition floatation type fan platform, be provided with each platform leg suction ripple float, each inhale ripple float upper end with corresponding
The interior top of platform leg between be provided with buffer spring, the upper end of each platform leg is provided with linear generating machine stator, directly
One end of line generator rotor is fixed on suction ripple float upper end, the other end of linear electric generator mover sequentially pass through buffer spring,
Platform leg and linear generating machine stator.
Present invention additionally comprises such some architectural features:
1. platform leg described in has three, and floatation type fan platform is triangulo column.
Compared with prior art, the invention has the beneficial effects as follows:The present invention provides a kind of the passive of floatation type fan platform
Formula is inhaled ripple and is subtracted and shake TRT, absorbs wave energy by inhaling ripple float, wave energy is converted into the mechanical energy of displacement, then leads to
Cross buffer spring and linear electric generator, so that the motion of suction ripple float is indirectly acted on fan platform, increased fan platform
Kinetic damping, reduce motion response under wave for the fan platform, linear electric generator can also part inhale ripple float machine
Tool can be converted into electric energy, decrease and inhale the energy that ripple float acts on fan platform, reduce the motion response of fan platform,
Improve work efficiency and the safety of blower fan.Namely the present invention had both reduced the motion response under wave of fan platform,
Wave-energy power generation can be absorbed again.The principle of the invention is simple, smart structural design, and functional diversities are easy to use, can be effective
Reduce motion response under wave for the floatation type fan platform, improve the work efficiency of blower fan and safety, at sea wind energy
Critically important effect can be played in exploitation field.
Brief description
Fig. 1 is the overall assembling schematic diagram of the present invention;
Fig. 2 is the assembled front view of the single spud leg of the present invention;
Fig. 3 is the midship section figure of the single spud leg of the present invention.
Each in figure numbering represents that content is as follows:
1. inhale ripple float;2. platform leg;3. buffer spring;4. linear generating machine stator;5. linear electric generator mover;⑥
Strut.
Specific embodiment
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
In conjunction with Fig. 1-3, the present invention include floatation type fan platform, inhale ripple float 1., buffer spring 3., linear electric generator,
With strut 6. 2. floatation type fan platform include platform leg, and with mover 5. 4. linear electric generator include stator.Floatation type blower fan
Platform is to refer to, and this device can be used for other marine structures such as ocean platform.
1. inhale ripple float mainly has two effects, and one is the buoyancy providing needed for fan platform, and two is to absorb wave energy,
Wave energy is converted into the mechanical energy of displacement;3. buffer spring plays motion cushioning effect, increases the kinetic damping of fan platform;
Fan platform is used for supporting blower fan, including platform leg 2. with strut 6.;With stator 4. 5. linear electric generator include mover, mainly
There are two effects, one is to generate electricity, the mechanical energy inhaling the conversion of ripple float is converted to electric energy, two are to increase the motion resistance of fan platform
Buddhist nun.As shown in Fig. 2 when in hydrostatic, inhaling ripple float 1., buffer spring 3., platform leg 2., the mover of linear electric generator 5. and
Stator 4. concentric vertical placement, the lower end of buffer spring is fixedly mounted on the top inhaling ripple float, and upper end is fixedly mounted on flat
Platform spud leg inside top, the stator of linear electric generator is fixedly mounted on platform leg top, and the mover of linear electric generator passes through to be determined
Son and buffer spring, lower end is fixedly mounted on suction ripple buoy top.The buoyancy of structure mainly by inhaling the offer of ripple float, inhales ripple float
For absorbing wave energy, wave energy is converted into the mechanical energy of its own motion, the shape inhaling ripple float is unfixed, permissible
It is optimized according to concrete condition when using;Produce relative motion between fan platform and suction ripple float, absorb wave energy, play
Subtract the effect of shaking.Additionally, buffer spring plays cushioning effect to the motion inhaling ripple float, prevent its motion from acting directly on blower fan and put down
On platform, buffer spring increased the kinetic damping of fan platform, reduces the motion response of fan platform.
The work process of the present invention is as follows:
Under wave action, inhale ripple float and absorb wave energy, wave energy is converted into the mechanical energy of its own motion, inhale
Relative motion is produced, buffer spring serves buffering and inhales between ripple float and fan platform between ripple float and fan platform spud leg
The effect of relative motion, it is to avoid suction ripple float and fan platform direct interaction, increased the motion of fan platform simultaneously
Damping, can reduce the motion response of fan platform.Stator due to linear electric generator is fixedly connected with platform leg, mover and
Inhale ripple float to be fixedly connected, therefore, under wave action, producing relative motion between fan platform and suction ripple float can make straight line send out
Produce relative motion between the mover of motor and stator therewith, produce electric energy, the mechanical energy inhaling ripple float is partly converted into
Electric energy, thus realizing absorbing wave-energy power generation, reducing suction ripple float and acting on the energy on fan platform.Linear electric generator
During mover and the mutual movement power generation of stator, produce damping between the two, stop both mutual motions, increased blower fan and put down
The kinetic damping of platform, prevents the motion inhaling ripple float to act directly on fan platform, reduces the motion response of fan platform,
Buffer spring passes through stretching and compression stops the relative motion inhaled between ripple float and platform leg, and both modes all prevent
Inhale ripple float and platform leg direct interaction, increased the kinetic damping of fan platform, reduce fan platform under wave
Motion response, improve the work efficiency of blower fan and safety.The wave energy energy absorbing from the angle analysis of energy, fan platform
There is the mechanical energy being wholly converted into fan platform, but, a part is converted to electric energy, and a part is converted to buffer spring
Potential energy, a part is converted to the mechanical energy of fan platform motion, leads to the reduction of its motion response.
To sum up, the present invention has two effects, and one is to subtract to shake, and reduces floatation type blower fan motion response under the wave action,
Two is to generate electricity, and absorbs wave energy, wave energy is converted into electric energy.Buffer spring and linear electric generator, can play and subtract the effect of shaking,
Increased the kinetic damping of floatation type fan platform, the motion response of floatation type fan platform under wave action, can be reduced;Inhale
Ripple float absorbs wave energy, wave energy is converted into the mechanical energy of its motion, and the mechanical energy inhaling ripple float movement is sent out by straight line
Motor is converted into electric energy.The present invention can effectively reduce motion response under wave for the floatation type fan platform, makes at blower fan
In more stable working condition, improve work efficiency and the safety of blower fan.It is contemplated that the present invention may be use with ocean platform etc. its
The marine structure of his type.
Claims (2)
1. a kind of floatation type fan platform passive type inhale ripple subtract shake TRT it is characterised in that:Including flat by least three
Platform spud leg and the floatation type fan platform of the strut composition for connecting platform spud leg, are provided with suction ripple and float in each platform leg
Son, is provided with buffer spring between each upper end inhaling ripple float and the interior top of corresponding platform leg, each platform leg
Upper end is provided with linear generating machine stator, and one end of linear electric generator mover is fixed on suction ripple float upper end, and linear generating is motor-driven
The other end of son sequentially passes through buffer spring, platform leg and linear generating machine stator.
2. a kind of passive type of floatation type fan platform according to claim 1 is inhaled ripple and is subtracted and shake TRT, and its feature exists
In:Described platform leg has three, and floatation type fan platform is triangulo column.
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107061127A (en) * | 2017-04-09 | 2017-08-18 | 大连理工大学 | Ocean wave energy, wind energy and energy by ocean current combination generator |
CN107246351A (en) * | 2017-06-16 | 2017-10-13 | 哈尔滨工程大学 | A kind of floating fan platform suction ripple, which subtracts, shakes TRT and its Active Control Method |
CN107524749A (en) * | 2017-08-01 | 2017-12-29 | 湖南大学 | A kind of wave energy absorption shock absorber and its floating platform |
CN107564383A (en) * | 2017-09-21 | 2018-01-09 | 华南理工大学 | A kind of electromechanical analogy system of oscillating float type wave-activated power generation |
CN108926876A (en) * | 2018-07-14 | 2018-12-04 | 中铁贵州工程有限公司 | A kind of fixed device of water factory's inclined tube construction anti-floating |
CN109185066A (en) * | 2018-08-06 | 2019-01-11 | 江苏科技大学 | A kind of floating wind energy, wave energy, tide energy combined generating system |
CN109441733A (en) * | 2018-12-14 | 2019-03-08 | 青岛理工大学 | It is novel to draw energy-vibration damping deep-sea wind-power electricity generation floating semi-submerged platform |
CN110182326A (en) * | 2019-04-24 | 2019-08-30 | 华中科技大学 | It is a kind of with the semi-submersible type wind-power electricity generation machine platform for subtracting vibration isolation function |
CN112302873A (en) * | 2020-10-19 | 2021-02-02 | 上海电气风电集团股份有限公司 | Offshore floating type power generation platform |
CN112727688A (en) * | 2020-12-24 | 2021-04-30 | 江苏科技大学 | Comprehensive wave-resistant power generation device based on floating fan |
CN113107748A (en) * | 2021-05-14 | 2021-07-13 | 江苏科技大学 | Offshore floating type power generation device with wind and wave energy mixed utilization |
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Cited By (13)
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---|---|---|---|---|
CN107061127A (en) * | 2017-04-09 | 2017-08-18 | 大连理工大学 | Ocean wave energy, wind energy and energy by ocean current combination generator |
CN107246351B (en) * | 2017-06-16 | 2019-03-05 | 哈尔滨工程大学 | A kind of floating fan platform, which is inhaled wave and subtracted, shakes power generator and its Active Control Method |
CN107246351A (en) * | 2017-06-16 | 2017-10-13 | 哈尔滨工程大学 | A kind of floating fan platform suction ripple, which subtracts, shakes TRT and its Active Control Method |
CN107524749A (en) * | 2017-08-01 | 2017-12-29 | 湖南大学 | A kind of wave energy absorption shock absorber and its floating platform |
CN107564383A (en) * | 2017-09-21 | 2018-01-09 | 华南理工大学 | A kind of electromechanical analogy system of oscillating float type wave-activated power generation |
CN108926876A (en) * | 2018-07-14 | 2018-12-04 | 中铁贵州工程有限公司 | A kind of fixed device of water factory's inclined tube construction anti-floating |
CN109185066A (en) * | 2018-08-06 | 2019-01-11 | 江苏科技大学 | A kind of floating wind energy, wave energy, tide energy combined generating system |
CN109441733A (en) * | 2018-12-14 | 2019-03-08 | 青岛理工大学 | It is novel to draw energy-vibration damping deep-sea wind-power electricity generation floating semi-submerged platform |
CN109441733B (en) * | 2018-12-14 | 2024-01-16 | 青岛理工大学 | Energy-drawing-vibration-damping deep sea wind power generation floating type semi-submersible platform |
CN110182326A (en) * | 2019-04-24 | 2019-08-30 | 华中科技大学 | It is a kind of with the semi-submersible type wind-power electricity generation machine platform for subtracting vibration isolation function |
CN112302873A (en) * | 2020-10-19 | 2021-02-02 | 上海电气风电集团股份有限公司 | Offshore floating type power generation platform |
CN112727688A (en) * | 2020-12-24 | 2021-04-30 | 江苏科技大学 | Comprehensive wave-resistant power generation device based on floating fan |
CN113107748A (en) * | 2021-05-14 | 2021-07-13 | 江苏科技大学 | Offshore floating type power generation device with wind and wave energy mixed utilization |
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