CN105697223B - Non-linear straight drive float type wave energy power generation - Google Patents
Non-linear straight drive float type wave energy power generation Download PDFInfo
- Publication number
- CN105697223B CN105697223B CN201610265145.3A CN201610265145A CN105697223B CN 105697223 B CN105697223 B CN 105697223B CN 201610265145 A CN201610265145 A CN 201610265145A CN 105697223 B CN105697223 B CN 105697223B
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- Prior art keywords
- magnet
- power generation
- energy
- float type
- type wave
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Classifications
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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"
- F03B13/18—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" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
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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
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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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
- Y02E10/20—Hydro energy
-
- 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)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides it is a kind of it is non-linear it is straight drive float type wave energy power generation, the TRT is placed in marine, wave drives float to move up and down, and then drives the first magnet to move up and down.Magnetic field line caused by making induction coil the first magnet of cutting, realizes the function using wave-energy power generation.Simultaneously, magnetic force caused by the second magnet and the first magnet positioned at the first magnet surrounding interacts with elastic force caused by spring in energy output system, system is set negative stiffness occur, improve vibrational energy, make energy output system potential energy well that energy efficiency capture when twin-well characteristic improves energy capture efficiency, particularly low frequency be presented.
Description
Technical field
The invention belongs to novel renewable energy technology and field of marine equipment, more particularly to a kind of float-type wave energy hair
Electric installation.
Background technology
At present, the mode of generating mainly has wind power generation, water-energy generating electricity, wave-energy power generation etc..Compared to wind energy, wave energy
It is a kind of more lasting, the bigger clean energy resource of energy density, if can effectively be developed, it will provide abundance for the mankind
Abundant clean energy resource.Wave energy generating set can be divided into oscillating float type, vibrate water according to the difference of energy conversion mode
Pillar and contraction ramp-type.Oscillating float type wave energy generating set is to develop preferable energy conversion device at present, the device
The main heaving using float absorbs Wave energy, converts wave energy into mechanical energy or hydraulic energy drives generator to send out again
Electricity, or direct drive linear electrical generator generate electricity.
For current linear straight drive float type wave energy power generation, its float bottom connects a linear electric generator,
Whole TRT only has an intrinsic natural frequency of vibration, only when incident wave frequency rate is equal with device intrinsic frequency, that is, resonates
When capture that energy is most, but when the intrinsic frequency of the frequency departure device of incidence wave, the energy of capture just substantially reduces, it is and real
Border sea situation Wave frequency is far below the intrinsic frequency of wave energy generating set, therefore is unfavorable for catching for actual ocean wave energy
Obtain.And conventional apparatus float vibration in resonance is violent, is easily damaged, reduces device service life in ocean, altogether simultaneously
Voltage caused by shaking is excessive, battery is impacted serious.
The content of the invention
In order to solve the defects of current wave energy generating set, the present invention provides a kind of wave energy generating set, the device
Energy capture of the wave in low frequency can not only be increased, and it is wide enough to widen energy diagram bands of a spectrum, while float shakes in resonance
It is dynamic relatively small, be advantageous to extend TRT service life.
More specifically, the invention provides a kind of non-linear straight drive float type wave energy power generation, including base；
Energy output system is fixed at base upper surface, and the top of energy output system is provided with and allows what connecting shaft passed through
The through hole through hole is provided with seal, and the seal is sheathed in connecting shaft, connecting shaft can opposing seal slide up and down；Bottom
Seat is fixed on marine；
Include first magnet moving up and down inside energy output system and some be located at the first magnet surrounding
The second magnet, the N extreme directions of the first magnet and the second magnet point to the top or bottom of energy output system；
The bottom of first magnet is connected by elastic component with the bottom of energy output system, is passed through at the top of the first magnet
Connecting shaft is connected with float, and float is sheathed on the outer surface of energy output system；
Induction coil is set around the first magnet surrounding, and between the first magnet and the second magnet, the two of induction coil
End is connected with electrical storage device or power device；
Wave drives float to move up and down, and then drives the first magnet to move up and down.
As preferable, elastic component is spring.
As preferable, base is connected by some anchor lines with seabed.
As preferable, base is heave plate.
As preferable, the radius of the first magnet is more than the size of energy output system upper opening.
As preferable, electrical storage device is battery.
As preferable, the second magnet is equal with the distance between the first magnet.
As preferable, four the second magnet are provided with energy output system；Four the second magnet are evenly distributed on first
The surrounding of magnet.
As preferable, energy output system is cylindrical.
As preferable, the second magnet is permanent magnet.
The technical solution adopted for the present invention to solve the technical problems is：In the straight line hair being made up of magnet and induction coil
Increase external magnet around motor.Its principles of science is to increase external magnet around linear electric generator, then external magnet is with
Magnetic force caused by heart magnet interacts with elastic force caused by spring in energy output system, system negative stiffness is occurred, and this is negative
Rigidity can significantly improve the absorption of vibrational energy, particularly low-frequency vibration energy；Energy output system potential energy well is presented double
Well characteristic (conventional apparatus is individual well), energy efficiency capture during energy capture efficiency, particularly low frequency can be significantly improved.Together
When, when centring magnet vibrates, the negative stiffness can lower the center of gravity the amplitude of magnet up-down vibration external magnet, when avoiding resonance
Caused voltage is excessive, causes to damage battery or electrical equipment.
Brief description of the drawings
Fig. 1 is a kind of diagrammatic cross-section of embodiment in the present invention.
Fig. 2 is a kind of internal structure schematic diagram of energy output system in embodiment in the present invention.
Fig. 3 is distribution of magnets position relationship top view in a kind of embodiment in the present invention.
Embodiment
Embodiment one
The first embodiment of the present invention provides a kind of non-linear straight drive float type wave energy power generation, including bottom
Seat, the base is one piece of heave plate 4, and the heave plate 4 is fixed on marine by some anchor lines.Energy output system 3 is fixed at
The upper surface of heave plate 4, and the through hole through hole for allowing connecting shaft 2 to pass through is provided with the top of the energy output system 3 provided with sealing
Part, and the seal is sheathed in connecting shaft, connecting shaft can opposing seal slide up and down.Inside energy output system 3
Provided with first magnet 7 and some second magnet 6, the second magnet 6 is arranged in the surrounding of the first magnet 7.First magnet 7 with
The extremely unified tops or bottom for pointing to energy output system 3 of the N of second magnet 6.The bottom of first magnet 7 is with energy output
It is connected with each other between the bottom of system 3 using elastic component, the elastic component can be that spring 9 or rubber band etc. are flexible
Connector.The upper end of first magnet 7 is connected by connecting shaft 2 with float 1, and float 1 is sheathed on the outer of energy output system 3
Surface；Induction coil 8 is set around the surrounding of the first magnet 7, and is fixed between the first magnet 7 and the second magnet 6, induction coil
8 both ends are connected with electrical storage device or power device；Wave drives float 1 to move up and down, and then drives the first magnet about 7
It is mobile.
In the present embodiment, energy output system 3 is cylindrical, and there is the magnetic of permanent magnet second of four fixed settings inside
Iron 6, first magnet 7 that can be vibrated up and down is provided with the center of four the second magnet 6.The device soaks in the seawater
When, acted on by seawater flowing and buoyancy, float 1 can move up and down.The up and down motion of the float, pass through the band of connecting shaft 2
The first magnet 7 in energy output system 3 moves up and down.In the motion process, induction coil 8 is equivalent to magnetic field line
Carry out coming and going cutting, and produce electric current.Meanwhile magnetic force is produced to the first magnet 7 positioned at the second magnet 6 of the surrounding of the first magnet 7
Interacted with spring force, energy output system is produced negative stiffness, and negative stiffness can significantly improve vibrational energy.The sensing
Coil 8 can be connected with power device, can also be connected with battery or other electrical storage devices, electric power is stored
Come.
Preferably, the radius of the tip radius of connecting shaft 2 and the first magnet 7 at least one be more than the seal it is interior
Footpath so that when seawater goes up, the first magnet 7 will not be pulled out energy output system by float 1, can effectively prevent the mistake of spring 9
Degree stretching causes spring 9 to damage.
The respective embodiments described above are to realize the specific embodiment of the present invention, it will be understood by those skilled in the art that
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of non-linear straight drive float type wave energy power generation, it is characterised in that including base；
Energy output system (3) is fixed at the base upper surface, and the top of the energy output system (3) is provided with the company of allowing
The through hole that spindle (2) passes through, the through hole is provided with seal, and the seal is sheathed in the connecting shaft (2), the company
Spindle (2) can relatively described seal slide up and down；The base is fixed on marine；
Include first magnet (7) moving up and down inside the energy output system (3) and some positioned at described the
The energy is pointed in second magnet (6) of one magnet (7) surrounding, the N extreme directions of first magnet (7) and the second magnet (6)
The top or bottom of output system (3)；
The bottom of first magnet (7) is connected by elastic component with the bottom of the energy output system (3), and described first
The top of magnet (7) is connected by the connecting shaft (2) with float (1)；
Induction coil (8) is set around the first magnet (7) surrounding, and positioned at first magnet (7) and the second magnet (6) it
Between, the both ends of the induction coil (8) are connected with electrical storage device or power device；
Wave drives the float (1) to move up and down, and then drives the first magnet (7) to move up and down.
2. non-linear straight drive float type wave energy power generation according to claim 1, it is characterised in that the elastic component
For spring (9).
3. non-linear straight drive float type wave energy power generation according to claim 1, it is characterised in that the base leads to
Some anchor lines (5) are crossed with seabed to be connected.
4. non-linear straight float type wave energy power generation is driven according to claim 1, it is characterised in that the base is
Heave plate (4).
5. non-linear straight drive float type wave energy power generation according to claim 1, it is characterised in that first magnetic
The radius of iron (7) is more than the size of the energy output system upper opening.
6. non-linear straight drive float type wave energy power generation according to claim 1, it is characterised in that the electric power storage dress
It is set to battery.
7. non-linear straight drive float type wave energy power generation according to claim 1, it is characterised in that second magnetic
Iron (6) is equal with the distance between first magnet (7).
8. non-linear straight drive float type wave energy power generation according to claim 1, it is characterised in that the energy is defeated
Go out in system (3) and be provided with four second magnet (6)；Four second magnet (6) are evenly distributed on first magnet
(7) surrounding.
9. non-linear straight drive float type wave energy power generation according to claim 1, it is characterised in that the energy is defeated
It is cylindrical to go out system (3).
10. non-linear straight drive float type wave energy power generation according to claim 1, it is characterised in that described second
Magnet (6) is permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265145.3A CN105697223B (en) | 2016-04-26 | 2016-04-26 | Non-linear straight drive float type wave energy power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265145.3A CN105697223B (en) | 2016-04-26 | 2016-04-26 | Non-linear straight drive float type wave energy power generation |
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| Publication Number | Publication Date |
|---|---|
| CN105697223A CN105697223A (en) | 2016-06-22 |
| CN105697223B true CN105697223B (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610265145.3A Active CN105697223B (en) | 2016-04-26 | 2016-04-26 | Non-linear straight drive float type wave energy power generation |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119294A (en) * | 2017-12-14 | 2018-06-05 | 上海交通大学 | A kind of spring bistable directly drives float type wave energy power generation |
| CN109162861A (en) * | 2018-10-17 | 2019-01-08 | 山东大学 | A kind of floatation type vertical axis wave-energy power generation equipment and its application |
| CN109854434B (en) * | 2019-03-22 | 2024-01-09 | 上海交通大学 | Self-adaptive bistable float type wave energy power generation device and power generation method |
| CN110848073B (en) * | 2019-10-10 | 2020-10-16 | 北京航空航天大学 | Multistable electromagnetic type sea wave energy absorption unit and parallel type sea wave energy absorber |
| CN112994401B (en) * | 2021-02-24 | 2022-12-09 | 上海交通大学 | Bistable wave power generation device for small-sized under-powered unmanned ship |
| CN113090437B (en) * | 2021-04-26 | 2023-05-23 | 大连海事大学 | Direct-drive wave energy power generation maximum wave energy accurate tracking control method based on spring resonance assistance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176026A (en) * | 1995-04-03 | 1998-03-11 | 张卫民 | Linear motor compressor and its application in cooling system |
| CN203702445U (en) * | 2014-01-16 | 2014-07-09 | 严凯 | Wave elastic force power generation device |
| CN104061116A (en) * | 2014-06-12 | 2014-09-24 | 东南大学 | Wave energy power generating device based on serial connection linear magnetic gear motor |
| CN104500321A (en) * | 2014-11-04 | 2015-04-08 | 集美大学 | Differential linear wave power generator |
| CN205714565U (en) * | 2016-04-26 | 2016-11-23 | 上海交通大学 | Non-linear directly drive float type wave energy power generation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6833631B2 (en) * | 2001-04-05 | 2004-12-21 | Van Breems Martinus | Apparatus and methods for energy conversion in an ocean environment |
-
2016
- 2016-04-26 CN CN201610265145.3A patent/CN105697223B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176026A (en) * | 1995-04-03 | 1998-03-11 | 张卫民 | Linear motor compressor and its application in cooling system |
| CN203702445U (en) * | 2014-01-16 | 2014-07-09 | 严凯 | Wave elastic force power generation device |
| CN104061116A (en) * | 2014-06-12 | 2014-09-24 | 东南大学 | Wave energy power generating device based on serial connection linear magnetic gear motor |
| CN104500321A (en) * | 2014-11-04 | 2015-04-08 | 集美大学 | Differential linear wave power generator |
| CN205714565U (en) * | 2016-04-26 | 2016-11-23 | 上海交通大学 | Non-linear directly drive float type wave energy power generation |
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| Publication number | Publication date |
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| CN105697223A (en) | 2016-06-22 |
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Inventor after: Xiao Longfei Inventor after: Xiao Xiaolong Inventor after: Yang Lijun Inventor after: Kou Yufeng Inventor after: Li Yang Inventor before: Xiao Xiaolong Inventor before: Xiao Longfei Inventor before: Li Yang |
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