CN108839767B - Wave energy power generation ocean platform - Google Patents
Wave energy power generation ocean platform Download PDFInfo
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- CN108839767B CN108839767B CN201810569830.4A CN201810569830A CN108839767B CN 108839767 B CN108839767 B CN 108839767B CN 201810569830 A CN201810569830 A CN 201810569830A CN 108839767 B CN108839767 B CN 108839767B
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- 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
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- 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
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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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides a wave energy power generation ocean platform, and belongs to the technical field of ocean engineering. This wave energy electricity generation platform, including the platform main part, flotation tank and a plurality of stand, the upper and lower both ends of every stand all have to both sides convex mounting platform, be equipped with two sets of power generation mechanism between two mounting platforms, power generation mechanism includes the generator, the body, at least one sprocket one and two at least sprocket two, the generator is fixed on the mounting platform that is located the stand upper end and has linked firmly sprocket three at the tip of input shaft, sprocket one rotates and sets up on the mounting platform that is located the stand upper end, sprocket two rotates and establishes on the mounting platform that is located the stand lower extreme, connect through chain drive between sprocket one, sprocket two and the sprocket three, the body has two and with two sets of power generation mechanism one-to-one, the body sets up between two mounting platforms and is fixed with the chain. The wave energy power generation ocean platform adopts wave energy to generate power, so that the energy consumption is low, and no pollution is generated.
Description
Technical Field
The invention belongs to the technical field of ocean engineering, and relates to a wave energy power generation ocean platform.
Background
At present, the daily energy consumption on an ocean platform is mainly to provide electric energy through power generation of a diesel generator, so that the work of the whole ocean platform is driven, and meanwhile, the daily life of personnel on the platform is also met; in addition, under the condition of poor sea condition, the motion response of the platform is stronger, and if the vertical motion amplitude of the platform under the action of wind waves is too large, operators on the platform can feel uncomfortable and are not beneficial to safe operation; under extreme sea conditions, the self-survival ability of the platform is remarkably reduced, and if the wind waves are too large, the platform can be overturned, so that huge economic loss is caused.
Disclosure of Invention
The invention aims to provide a wave energy power generation ocean platform aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to reduce the energy consumption required by the power generation of the ocean platform and the pollution to the environment.
The purpose of the invention can be realized by the following technical scheme: the wave energy power generation ocean platform comprises a platform main body, a floating box and a plurality of vertically arranged stand columns, wherein two ends of each stand column are respectively connected with the platform main body and the floating box, the upper end and the lower end of each stand column are respectively provided with a mounting platform protruding towards two sides, a power generation mechanism is arranged between the two mounting platforms and comprises a power generator, a floating body, at least one chain wheel I and at least two chain wheel II, the power generator is fixed on the mounting platform positioned at the upper end of the stand column, the end part of an input shaft is fixedly connected with a chain wheel III, the chain wheel I is rotatably arranged on the mounting platform positioned at the upper end of the stand column, the chain wheel II is rotatably arranged on the mounting platform positioned at the lower end of the stand column, the chain wheel I, the chain wheel II and the chain wheel III are connected through chain.
Preferably, two groups of power generation mechanisms are arranged between the two mounting platforms, the two groups of power generation mechanisms are respectively positioned on two sides of the upright post, and the two floating bodies correspond to the two groups of power generation mechanisms one by one.
This platform is used for the operation to use on the ocean, and is fixed through the anchor chain, carries oil gas through the riser, and during the use, the mounting platform that is located the stand upper end is more than the sea level, and the mounting platform that is located the stand lower extreme is below the sea level, and the chain links into a whole with sprocket one, sprocket two and sprocket three and body, and the chain should tighten.
When the wave is used, the floating body can move up and down along with the action of the wave under the action of buoyancy, so that the chain is pulled to move, the chain drives the chain wheel three connected to the generator to rotate, the chain wheel three rotates to drive the input shaft of the generator to rotate, the generator works to generate electric energy, and the wave energy is converted into the electric energy.
The generated electric energy can be transmitted to the upper structure of the ocean platform for use through the output circuit, the wave energy is clean energy which is inexhaustible, the cost is lower, pollution is not generated, and the generated energy is large compared with the consumption of fossil energy.
In the wave energy power generation ocean platform, a reinforcing rib is further arranged between the mounting platform and the upright post. Set up the strengthening rib under the mounting platform, form a triangular supports, consolidate the mounting platform, prevent to respond to the too big emergence mounting platform of load and drop, strengthen its structural stability, increase of service life.
In the wave energy power generation ocean platform, the floating body is arc-shaped and is provided with a plurality of through holes.
The floating body adopts the design, so that sea waves and ocean currents can flow through the floating body through the through holes, the impact of the sea waves and the ocean currents on the floating body is reduced, the chain is relatively stable, and the power generation mechanism on the upright post works stably;
in addition, the floating body can also play a role in protecting the stand column from being impacted by ships and floating ice by adopting the design, wave dissipation can be played again, the flow velocity of water flow is slowed down, direct scouring of sea waves and ocean currents on the stand column is reduced, direct action of the waves and the ocean currents on the stand column is reduced, the motion amplitude of the platform main body is reduced, the effect of the platform main body on an anchor chain and a stand pipe is reduced, the service life of the stand pipe and the anchor chain can be prolonged, the stand column is surrounded by the two floating bodies, and the effect of protecting the stand column can be further played.
In the wave energy power generation ocean platform, the bottom of the stand column is provided with the installation cavity, the installation cavity is internally provided with the permanent magnet generator and the water turbine, the rotating shaft of the permanent magnet generator is connected with the water turbine, and the stand column is further provided with the water through hole communicated with the installation cavity.
The water turbine installed at the bottom of the stand column is connected with the permanent magnet generator, when the stand column moves vertically under the action of waves, the water flow and the water turbine generate relative motion, the water turbine rotates to drive the permanent magnet generator to generate electricity, and the generated electric energy can also be used for platform operation.
In the wave energy power generation ocean platform, a closed water storage cavity is further arranged on the stand column and is located above the mounting cavity, a water inlet communicated with the water storage cavity is formed in the stand column, and an electromagnetic valve capable of controlling the communication or disconnection of the water storage cavity and the mounting cavity is further arranged between the water storage cavity and the mounting cavity.
Set up a closed water storage chamber on the stand, the sea water gets into the water storage chamber through the water inlet, and when the water level reached a take the altitude, the control solenoid valve was opened and is released water downwards, promotes the hydraulic turbine and rotates, reaches the purpose of electricity generation from this, has increased the generated energy.
In the wave energy power generation ocean platform, the top end of the upright post is also provided with a self-powered magneto-rheological damper.
Under the wave action, the platform can produce vertical motion, when the wave action is great, the range of dangling of platform can also be great, the operating personnel on the platform this moment will have uncomfortable sensation, large-scale self-power supply magnetic current becomes damper system through the installation of stand top, can pass through the sensor, the vertical motion size of perception platform, the electric current of input damper is adjusted to the one set of complete control system of rethread, the damping size of change attenuator, thereby reduce the vertical motion range of platform superstructure, and the attenuator combines one set of vibration energy capture device, do not need outside energy supply.
In the wave energy power generation ocean platform, the ocean platform further comprises a controller, a sensor for detecting the inclination degree of the platform main body and an automatic change-over switch, the sensor is connected with the input end of the controller, the output end of the controller is connected with the automatic change-over switch, and the automatic change-over switch is connected with the permanent magnet generator.
When extreme sea conditions are met, the platform can overturn under the action of waves, wind and ocean currents, at the moment, the inclination degree of the platform is sensed through the external sensor, when the inclination degree exceeds a certain value, the inclination degree is fed back to the controller, the controller controls the automatic change-over switch to operate, the permanent magnet generator is changed into the motor from a power generation state, the rotation of the water turbine is driven, the water turbine at the moment is equivalent to a propeller, the lifting force is provided for the stand column on the deep side of the draught water, and the platform is prevented from overturning.
Compared with the prior art, the wave energy power generation ocean platform has the following advantages:
1. the wave energy is a clean energy, is inexhaustible, and is lower in cost and free of pollution compared with the consumption of fossil energy, and the generators on the two sides of the stand column and at the bottom of the stand column generate electricity simultaneously, so that the space of the stand column is fully utilized, and the generated energy is large.
2. The floating body is made into an arc-shaped through hole form, so that the effect of protecting the stand column from being impacted by ships and floating ice can be achieved, the wave dissipation effect can be achieved, the water flow speed is reduced, the direct effect of waves and ocean currents on the stand column is reduced, the motion amplitude of the platform is reduced, the effect of the platform on the anchor chain and the stand pipe is reduced, and the service life of the stand pipe and the anchor chain can be prolonged.
3. The large self-powered magnetorheological damper is arranged to play a role in damping, so that operators can normally work when stormy waves are large.
4. Under the condition of extreme sea condition and under the condition that platform personnel evacuate, the water turbine arranged at the bottom of the stand pipe can be automatically converted into a propeller to provide lifting force for the stand column on the deep side of the draught, and the platform is prevented from overturning.
Drawings
Fig. 1 is a schematic structural diagram of the wave energy power generation ocean platform.
Fig. 2 is a front view of the column.
Fig. 3 is a top view of the post.
FIG. 4 is a flow chart of the operation of the self-energizing magnetorheological damper.
Fig. 5 is a control flow diagram of a permanent magnet generator.
In the figure, 1, a platform body; 2. a buoyancy tank; 3. a column; 3a, mounting a cavity; 3b, a water through hole; 3c, a water storage cavity; 3d, a water inlet; 4. mounting a platform; 5. a generator; 5a, a third chain wheel; 6. a float; 7. a chain wheel I; 8. a second chain wheel; 9. a chain; 10. reinforcing ribs; 11. a permanent magnet generator; 12. a water turbine; 13. self-energized magnetorheological dampers.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the wave power generation ocean platform comprises a platform main body 1, a buoyancy tank 2 and a plurality of vertically arranged stand columns 3, wherein two ends of each stand column 3 are respectively connected with the platform main body 1 and the buoyancy tank 2, the platform main body 1 is used for being operated on the ocean, is fixed through anchor chains, and conveys oil gas from the seabed through a vertical pipe.
As shown in fig. 2 and 3, the upper and lower ends of the upright post 3 are provided with mounting platforms 4 protruding towards both sides, and a reinforcing rib 10 is further arranged between the mounting platform 4 and the upright post 3 to form a triangular support to reinforce the mounting platform 4, so that the mounting platform 4 is prevented from falling off due to excessive stress, the structural stability is enhanced, and the service life is prolonged.
The power generation mechanism is arranged between the two mounting platforms 4 and comprises a power generator 5, a floating body 6, at least one chain wheel I7 and at least two chain wheels II 8, the power generator 5 is fixed on the mounting platform 4 positioned at the upper end of the upright post 3, the end part of the input shaft is fixedly connected with a chain wheel III 5a, the chain wheel I7 is rotatably arranged on the mounting platform 4 positioned at the upper end of the upright post 3, the chain wheel II 8 is rotatably arranged on the mounting platform 4 positioned at the lower end of the upright post 3, the chain wheel I7, the chain wheel II 8 and the chain wheel III 5a are in transmission connection through a chain 9, and the floating body 6 is arranged between the two mounting platforms 4 and is fixed with the chain.
When the wave acts on, the floating body 6 will act on the wave to move up and down along with the wave under the action of buoyancy, so that the chain 9 is pulled to move, the chain 9 moves to drive the chain wheel III 5a connected to the input shaft of the generator 5 to rotate, the chain wheel III 5a rotates to drive the input shaft of the generator 5 to rotate, and finally the generator 5 works to generate electric energy, so that the conversion from the wave energy to the electric energy is realized.
Preferably, two groups of power generation mechanisms are arranged between the two mounting platforms 4, the two groups of power generation mechanisms are respectively positioned on two sides of the upright post 3, and the two floating bodies 6 correspond to the two groups of power generation mechanisms one by one.
Specifically, the floating body 6 is arc-shaped, a plurality of through holes 6a are formed in the floating body 6, and the floating body 6 is designed in such a way that sea waves and ocean currents can flow through the floating body 6 through the through holes 6a, so that the impact of the sea waves and the ocean currents on the floating body 6 is reduced, the chain 9 is relatively stable, and the power generation mechanism on the upright post 3 works stably;
in addition, the floating body 6 can also play a role in protecting the upright post 3 from being impacted by ships and floating ice by adopting the design, can play a role in dissipating waves, and can slow down the flow velocity of water, so that the direct scouring of waves and ocean currents on the upright post 3 is reduced, so that the direct action of waves and ocean currents on the upright post 3 is reduced, the motion amplitude of the platform main body 1 is reduced, the effect of the platform main body 1 on an anchor chain and an anchor chain is reduced, so that the service life of the anchor chain and the upright post can be prolonged, the upright post 3 is surrounded by the two floating bodies 6, and the effect of protecting the upright post 3 can be further played.
As shown in fig. 2, the bottom of the upright post 3 is provided with a mounting cavity 3a, a permanent magnet generator 11 and a water turbine 12 are arranged in the mounting cavity 3a, a rotating shaft of the permanent magnet generator 11 is connected with the water turbine 12, the upright post 3 is further provided with a water through hole 3b communicated with the mounting cavity 3a, when the upright post 3 vertically moves under the action of waves, the water flow and the water turbine 12 generate relative motion, the water turbine 12 rotates to drive the permanent magnet generator 11 to generate electricity, and the generated electric energy can also be used for platform operation.
As shown in fig. 2, still be equipped with confined water storage chamber 3c on the stand 3, water storage chamber 3c is located the top of installation cavity 3a, set up the water inlet 3d with water storage chamber 3c intercommunication on the stand 3, still be equipped with the solenoid valve that can control water storage chamber 3c and installation cavity 3a intercommunication or disconnection between water storage chamber 3c and the installation cavity 3a, the sea water passes through water inlet 3d and gets into water storage chamber 3c, when the water level reaches a take the altitude, the control solenoid valve is opened and is released water downwards, promote hydraulic turbine 12 to rotate, reach the purpose of electricity generation from this, the generated energy has been increased.
As shown in fig. 1 and 4, the top of stand 3 still is equipped with self-power magnetorheological damper 13, under the wave action, the platform can produce vertical motion, when the wave action is great, the range of dangling of platform can also be great, the operating personnel on the platform will have uncomfortable sensation this moment, large-scale self-power magnetorheological damper 13 system through the installation of stand 3 top, can pass through the sensor, perception platform vertical motion size, the electric current of input attenuator is adjusted to a set of complete control system of rethread, change the damping size of attenuator, thereby reduce the vertical motion range of platform superstructure, and the attenuator combines one set of vibration energy capture device, do not need outside energy supply.
As shown in fig. 5, the ocean platform further includes a controller, a sensor for detecting the inclination degree of the platform main body 1, and an automatic transfer switch, wherein the sensor is connected to an input end of the controller, an output end of the controller is connected to the automatic transfer switch, and the automatic transfer switch is connected to the permanent magnet generator 11. When extreme sea conditions are met, the platform can overturn under the action of waves, wind and ocean currents, at the moment, the inclination degree of the platform is sensed through an external sensor, when the inclination degree exceeds a certain value, the inclination degree is fed back to a controller, the controller controls an automatic change-over switch to operate, a permanent magnet generator 11 is changed into a motor from a power generation state, the water turbine 12 is driven to rotate, the water turbine 12 at the moment is equivalent to a propeller, lift force is provided for the upright post 3 on the deep side of draught, and the platform is prevented from overturning.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (4)
1. A wave energy power generation ocean platform comprises a platform main body (1), a buoyancy tank (2) and a plurality of upright posts (3) which are vertically arranged, wherein two ends of each upright post (3) are respectively connected with the platform main body (1) and the buoyancy tank (2), and the wave energy power generation ocean platform is characterized in that the upper end and the lower end of each upright post (3) are respectively provided with a mounting platform (4) which protrudes towards two sides, a power generation mechanism is arranged between the two mounting platforms (4) and comprises a power generator (5), a floating body (6), at least one chain wheel I (7) and at least two chain wheel II (8), the power generator (5) is fixed on the mounting platform (4) which is positioned at the upper end of the upright post (3), the end part of an input shaft is fixedly connected with a chain wheel III (5a), the chain wheel I (7) is rotatably arranged on the mounting platform (4) which is positioned at the upper end of the upright post (3), and the chain wheel II (, the chain wheel I (7), the chain wheel II (8) and the chain wheel III (5a) are in transmission connection through a chain (9), the floating body (6) is arranged between the two mounting platforms (4) and fixed with the chain (9), the bottom of the upright post (3) is provided with a mounting cavity (3a), a permanent magnet generator (11) and a water turbine (12) are arranged in the mounting cavity (3a), a rotating shaft of the permanent magnet generator (11) is connected with the water turbine (12), and the upright post (3) is further provided with a water through hole (3b) communicated with the mounting cavity (3 a);
the ocean platform further comprises a controller, a sensor and an automatic change-over switch, wherein the sensor is used for detecting the inclination degree of the platform main body (1), the sensor is connected with the input end of the controller, the output end of the controller is connected with the automatic change-over switch, and the automatic change-over switch is connected with the permanent magnet generator (11).
2. The wave energy power generation ocean platform according to claim 1, characterized in that the top end of the upright post (3) is further provided with a self-energized magnetorheological damper (13).
3. The wave energy power generation ocean platform according to claim 2, wherein a closed water storage cavity (3c) is further formed in the upright post (3), the water storage cavity (3c) is located above the installation cavity (3a), a water inlet (3d) communicated with the water storage cavity (3c) is formed in the upright post (3), and an electromagnetic valve capable of controlling the communication or disconnection of the water storage cavity (3c) and the installation cavity (3a) is further arranged between the water storage cavity (3c) and the installation cavity (3 a).
4. The wave energy power generation ocean platform according to claim 3, wherein two sets of power generation mechanisms are arranged on each upright post (3), the two sets of power generation mechanisms are respectively arranged on two sides of each upright post (3), and the floating bodies (6) are two and correspond to the two sets of power generation mechanisms one by one.
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| CN201810569830.4A CN108839767B (en) | 2016-12-27 | 2016-12-27 | Wave energy power generation ocean platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810569830.4A CN108839767B (en) | 2016-12-27 | 2016-12-27 | Wave energy power generation ocean platform |
| CN201611223251.1A CN106741694B (en) | 2016-12-27 | 2016-12-27 | A kind of wave-energy power generation ocean platform |
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| CN108839767B true CN108839767B (en) | 2020-02-14 |
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| CN201810569830.4A Active CN108839767B (en) | 2016-12-27 | 2016-12-27 | Wave energy power generation ocean platform |
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| CN108223250A (en) * | 2018-02-09 | 2018-06-29 | 大连理工大学 | A kind of new catheter frame ocean platform integrates Wave energy electric generator |
| CN108223249A (en) * | 2018-02-09 | 2018-06-29 | 大连理工大学 | A kind of offshore jacket platforms integrate Wave energy electric generator |
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| CN110318058A (en) * | 2019-08-07 | 2019-10-11 | 大连海事大学 | A method of prevent maritime platform tide difference from corroding using wave-energy power generation |
| CN110371267B (en) * | 2019-08-20 | 2023-10-24 | 江苏科技大学 | Self-adaptive polar region floating platform ice load protection device |
| CN112092992B (en) * | 2020-09-15 | 2022-04-15 | 大连海事大学 | Ship wave energy power generation and stabilization system |
| CN112722176A (en) * | 2020-12-29 | 2021-04-30 | 韩黎民 | Novel deep sea culture platform |
| CN112810769A (en) * | 2021-03-02 | 2021-05-18 | 上海交通大学 | Active motion suppression device and method for offshore floating type scientific research platform |
| CN116696993B (en) * | 2023-08-04 | 2023-09-29 | 交通运输部天津水运工程科学研究所 | Self-adjusting damping system and adjusting method applied to jacket offshore platform |
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| Publication number | Publication date |
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| CN106741694B (en) | 2018-11-20 |
| CN106741694A (en) | 2017-05-31 |
| CN108839767A (en) | 2018-11-20 |
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