CN113530752B - Wave energy power generation device and manufacturing method thereof - Google Patents
Wave energy power generation device and manufacturing method thereof Download PDFInfo
- Publication number
- CN113530752B CN113530752B CN202110861456.7A CN202110861456A CN113530752B CN 113530752 B CN113530752 B CN 113530752B CN 202110861456 A CN202110861456 A CN 202110861456A CN 113530752 B CN113530752 B CN 113530752B
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- Prior art keywords
- rotary drum
- fiber cloth
- chemical fiber
- rotor
- dielectric film
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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
- F03B13/22—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 flow of water resulting from wave movements to drive a motor or turbine
-
- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
- F03B3/186—Spiral or volute casings
-
- 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
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
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- 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
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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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
Abstract
The invention is used in the technical field of power generation, and particularly relates to a wave energy power generation device and a manufacturing method thereof. The wave promotes the rotary drum to rotate, chemical fiber cloth rotates and generates charges with the relative friction of the dielectric film on the rotor, and the chemical fiber cloth can drive the rotor to rotate, so that electromagnetic power generation is realized, and the manufacturing method of the wave power generation device comprises the following steps: preparing a volute and a rotary drum; the rotor is rotatably arranged in the rotary drum, and the stator is fixed on one side of the rotor; attaching a dielectric film to the outer surface of the rotor; plating metal electrodes on the chemical fiber cloth; and sticking chemical fiber cloth on the inner wall of the rotary drum.
Description
Technical Field
The invention is used in the technical field of power generation, and particularly relates to a wave energy power generation device and a manufacturing method thereof.
Background
The friction nano generator is based on the coupling of friction electrification and electrostatic induction effect, when two materials with opposite positive and negative polarities are mutually contacted under the drive of external force, electrostatic charges with opposite electric properties and equal electric quantity are respectively induced on the surfaces of the friction nano generator; when the contact surfaces of the two materials are separated, the electrostatic charge on the surfaces of the two materials can drive electrons to flow between the surface electrodes respectively attached to the two materials due to the potential difference generated by the separation, so that current output is generated.
The existing device for generating electricity by utilizing wave energy through the friction nano generator has the defect of low current density output, so that the power generation efficiency of the friction nano generator is low.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the wave energy power generation device and the manufacturing method thereof, which can overcome the defect of low current density output of the friction nano generator and effectively improve the power generation efficiency.
In a first aspect, an embodiment of the present invention provides a wave energy power generation device, including a rotating drum, fan blades are installed on an outer wall of the rotating drum, a power generation module is disposed inside the rotating drum, the power generation module includes a friction nano-generator and an electromagnetic generator, a current output end of the friction nano-generator is electrically connected with a current output end of the electromagnetic generator, the friction nano-generator includes a dielectric film, a metal electrode and chemical fiber cloth, the chemical fiber cloth is attached to an inner wall of the rotating drum, the metal electrode is disposed between the chemical fiber cloth and the inner wall of the rotating drum, the dielectric film is disposed on an outer surface of a rotor of the electromagnetic generator, and the chemical fiber cloth is in contact with the dielectric film.
The wave energy power generation device provided by the embodiment of the invention has at least the following beneficial effects: in the working process, waves strike on the fan blades to push the rotary drum to rotate, chemical fiber cloth can be driven to rotate together in the rotary drum rotating process, relative friction is generated between the chemical fiber cloth and a dielectric film on a rotor of an electromagnetic generator to generate electric charges, so that potential difference is formed between the dielectric film and the chemical fiber cloth, the electric charges in the metal electrode are driven to directionally move to generate current, meanwhile, in the friction power generation process of the chemical fiber cloth and the dielectric film, friction force exerted on the dielectric film by the chemical fiber cloth can drive the rotor of the electromagnetic generator to rotate, and therefore electromagnetic power generation is achieved.
According to other embodiments of the present invention, the drum is internally provided with a plurality of power generation modules, and each power generation module is sequentially connected along the length direction of the drum.
According to further embodiments of the present invention, the wave power generation device further comprises a volute having an opening into which waves enter, the drum is installed inside the volute through a rotating shaft, and the drum is rotatably connected with the rotating shaft.
According to other embodiments of the present invention, the rotor of the electromagnetic generator has a plurality of rotating blocks, each of the rotating blocks is fixed on the rotating shaft at intervals in a circumferential direction, and the dielectric film is attached to an outer surface of each of the rotating blocks.
According to the wave power generation device of other embodiments of the present invention, the outer surface of the rotating block has an arc structure.
According to other embodiments of the present invention, each of the rotating blocks is internally provided with a magnet, and one side of the rotor is provided with a stator.
In a second aspect, an embodiment of the present invention further provides a method for manufacturing a wave power generation device, including the steps of:
preparing a volute and a rotary drum by using a 3D printer;
the rotor of the electromagnetic generator is arranged in the rotary drum so that the rotor can rotate by taking the central shaft of the rotary drum as a rotating shaft, and the stator of the electromagnetic generator is fixed on one side of the rotor along the length direction of the rotary drum;
attaching a dielectric film on the outer surface of a rotor of the electromagnetic generator;
plating metal electrodes on the chemical fiber cloth;
the chemical fiber cloth is stuck on the inner wall of the rotary drum so that the metal electrode is positioned between the inner wall of the rotary drum and the chemical fiber cloth, and the chemical fiber cloth is contacted with the dielectric film.
According to the manufacturing method of the wave power generation device of other embodiments of the invention, a plurality of metal electrodes are plated on the surface of the chemical fiber cloth at intervals along the length direction of the chemical fiber cloth.
According to the manufacturing method of the wave energy power generation device, according to other embodiments of the invention, the surface of the chemical fiber cloth is modified to improve the hydrophobicity.
Drawings
FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the inside of a transfer drum according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of the open circuit voltage and short circuit current output of an electromagnetic generator in one embodiment of the invention;
FIG. 4 is a schematic of open circuit voltage and short circuit current output of a friction nano-generator in one embodiment of the invention.
Detailed Description
The conception and the technical effects produced by the present invention will be clearly and completely described in conjunction with the embodiments below to fully understand the objects, features and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention.
In the description of the embodiments of the present invention, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description and simplification of the description, and it is not indicated or implied that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected" or "mounted" on another feature, it can be directly disposed, fixed or connected to the other feature or be indirectly disposed, fixed or connected or mounted on the other feature. In the description of the embodiments of the present invention, if "several" is referred to, it means more than one, if "multiple" is referred to, it is understood that the number is not included if "greater than", "less than", "exceeding", and it is understood that the number is included if "above", "below", "within" is referred to. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
The invention provides a wave energy power generation device which is mainly used for converting wave energy into electric energy to generate power.
Referring to fig. 1 and 2, the wave energy power generation device comprises a rotary drum 1, wherein the rotary drum 1 has a cylindrical drum structure,
the fan blade 2 is installed on the outer wall of the rotary drum 1, waves are beaten on the fan blade 2, and the fan blade 2 drives the rotary drum 1 to rotate.
In the invention, the outer wall of the rotary drum 1 is provided with a plurality of fan blades 2, and each fan blade 2 is circumferentially arranged on the outer wall of the rotary drum 1 at intervals.
The inside power generation module that is equipped with of rotary drum 1, power generation module convert wave energy into electric energy.
In other embodiments, a plurality of power generation modules are arranged inside the rotary drum 1, and each power generation module is sequentially connected along the length direction of the rotary drum 1, so that the plurality of power generation modules work together in the use process, and the power generation efficiency is higher.
Specifically, the power generation module comprises a friction nano-generator and an electromagnetic generator, and the current output end of the friction nano-generator is electrically connected with the current output end of the electromagnetic generator.
The friction nano generator comprises a dielectric film 8, a metal electrode 11 and chemical fiber cloth 10, wherein the dielectric film 8 is arranged on the outer surface of a rotor of the electromagnetic generator, the chemical fiber cloth 10 is attached to the inner wall of the rotary drum 1, the metal electrode 11 is positioned between the chemical fiber cloth 10 and the inner wall of the rotary drum 1, and the chemical fiber cloth 10 and the dielectric film 8 are in contact with each other.
In the working process, waves are beaten on the fan blades 2 to push the rotary drum 1 to rotate, the chemical fiber cloth 10 can be driven to rotate together in the rotating process of the rotary drum 1, and relative friction is generated between the chemical fiber cloth 10 and the dielectric film 8 on the rotor of the electromagnetic generator in the rotating process of the chemical fiber cloth 10, so that potential difference is formed between the dielectric film 8 and the chemical fiber cloth 10, the electric charge in the metal electrode 11 is driven to directionally move, so that current is generated, meanwhile, in the friction power generation process of the chemical fiber cloth 10 and the dielectric film 8, the friction force exerted on the dielectric film 8 by the chemical fiber cloth 10 can drive the rotor of the electromagnetic generator to rotate, so that electromagnetic power generation is realized, and the power generation device combining friction nano power generation and electromagnetic power generation can combine the output characteristics of the two, so that the advantage of high-voltage output of the friction nano power generator can be maintained, and the high-frequency wave energy can be acquired by utilizing the characteristic that the electromagnetic generator works in a high frequency band, so that the defect of low current density output of the friction nano power generator is overcome, and the energy conversion efficiency is effectively improved.
FIG. 3 and FIG. 4 are schematic diagrams showing the operation of the present invention, wherein the open-circuit voltage of the friction nano generator unit is 1000-1200V, the short-circuit current is 8-12.5 μA, and the power density is about 20-26W/m 3 The open-circuit voltage of the electromagnetic generating unit is 1.0-1.7V, the short-circuit current is 20-27 mA, and the power density is about 45-55W/m 3 。
The rotor of the electromagnetic generator is provided with a plurality of rotating blocks 5, each rotating block 5 is fixed on the rotating shaft 3 at intervals in the circumferential direction, the outer surface of each rotating block 5 is stuck with a dielectric film 8, and the rotating shaft 3 rotates to drive the rotor to rotate.
Further, the outer surface of the rotating block 5 is of an arc-shaped structure so as to adapt to the inner wall of the rotary drum 1, and the dielectric film 8 and the chemical fiber cloth 10 are guaranteed to be more attached in the rotating process of the rotating block 5.
The magnet 9 is arranged in the rotating block 5, a stator is arranged on one side of the rotor, and the magnet 9 is driven to rotate together in the rotating process of the rotor, so that electromagnetic power generation is realized.
Specifically, the stator includes a disc 6, and a plurality of coils 7 formed by winding copper wires are disposed on the disc 6, and each coil 7 is connected in series.
The dielectric film 8 is installed on the rotor surface of electromagnetic generator, and electromagnetic generator's rotor provides the mounted position for dielectric film 8 on the one hand, and on the other hand, chemical fiber cloth 10 and dielectric film 8 rub each other and provide power for rotor rotation, so this application is very ingenious combines friction nanometer generator and electromagnetic generator, can save the inside space of rotary drum 1 for overall structure is succinct more.
It should be noted that, in the process of friction of the chemical fiber cloth 10 to drive the rotor to rotate, the rotor has the same rotation direction as the chemical fiber cloth 10, but a certain speed difference exists between the rotor and the rotor due to the large rotor mass of the electromagnetic generator to realize friction.
In some embodiments, in order to increase the friction between the chemical fiber cloth 10 and the dielectric film 8, in the present invention, the surface of the dielectric film 8 is provided with a texture.
In some embodiments, the wave power apparatus further comprises a volute 4, the volute 4 has an opening into which waves enter, the drum 1 is mounted inside the volute 4 through the rotating shaft 3, the drum 1 is rotationally connected with the rotating shaft 3, and the waves enter inside the volute 4 through the opening of the volute 4.
Specifically, the spiral case 4 is fan-shaped shell structure, and rotary drum 1 is installed inside spiral case 4 through pivot 3, is connected through the bearing between rotary drum 1 and the pivot 3, and the both ends of pivot 3 are connected through the bearing with the inner wall of spiral case 4.
In order to improve the waterproof performance of the rotary drum 1, sealing rings are additionally arranged on bearings between the rotary drum 1 and the rotary shaft 3.
In addition, the invention also provides a manufacturing method of the wave energy power generation device, which comprises the following steps:
preparing the volute 4 and the rotary drum 1 by a 3D printer;
a rotor of the electromagnetic generator is arranged in the rotary drum 1 so that the rotor can rotate by taking a central shaft of the rotary drum as a rotating shaft, and a stator of the electromagnetic generator is fixed on one side of the rotor along the length direction of the rotary drum 1;
a dielectric film 8 is attached to the outer surface of the rotor of the electromagnetic generator;
plating metal electrodes 11 on the chemical fiber cloth 10;
a chemical fiber cloth 10 is attached to the inner wall of the drum 1 such that the metal electrode 11 is located between the inner wall of the drum 1 and the chemical fiber cloth 10, and the chemical fiber cloth 10 is in contact with the dielectric film 8.
Wherein, a pivot 3 wears to be equipped with in the middle part of rotary drum 1, and pivot 3 rotates with rotary drum 1 to be connected, and the both ends and the spiral case 4 of pivot 3 rotate to be connected, and the rotor is installed in pivot 3.
The rotating shaft 3 is prepared by a 3D printer.
The stator disc 6 is also manufactured by means of a 3D printer.
The materials used for the volute 4, the rotary drum 1, the rotary shaft 3 and the disc 6 of the 3D printer are transparent acrylic.
In other embodiments, a plurality of metal electrodes 11 are uniformly plated on the chemical fiber cloth 10, and the metal electrodes 11 surround the periphery of the rotor when the chemical fiber cloth 10 is attached to the inner wall of the rotary drum 1.
For example, in the present invention, 8 rectangular metal electrodes 11 are plated on the chemical fiber cloth 10 at intervals in sequence along the circumferential direction of the chemical fiber cloth 10.
In some embodiments, the chemical fiber cloth 10 is surface-modified to improve hydrophobic properties.
The surface modification treatment of the chemical fiber cloth 10 comprises corona discharge treatment, flame treatment, heat treatment, surface metallization, ion implantation surface modification, photochemical modification, plasma surface modification, surface graft copolymerization and other methods.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention. Furthermore, embodiments of the invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. The utility model provides a wave energy power generation facility which characterized in that: including the rotary drum, rotary drum outer wall installation flabellum, the inside electricity generation module that is equipped with of rotary drum, electricity generation module includes friction nanometer generator and electromagnetic generator, friction nanometer generator's current output end with electromagnetic generator's current output end electricity is connected, friction nanometer generator includes dielectric film, metal electrode and chemical fiber cloth, chemical fiber cloth pastes the rotary drum inner wall, metal electrode establishes chemical fiber cloth with between the rotary drum inner wall, dielectric film establishes electromagnetic generator's rotor's surface, chemical fiber cloth with dielectric film mutual contact.
2. The wave power unit according to claim 1, characterized in that: the inside of rotary drum is equipped with a plurality of the electricity generation module, each electricity generation module is followed the length direction of rotary drum connects gradually.
3. The wave power unit according to claim 1, characterized in that: the rotary drum is installed inside the volute through a rotating shaft, and the rotary drum is rotationally connected with the rotating shaft.
4. A wave energy power unit according to claim 3, characterized in that: the rotor of the electromagnetic generator is provided with a plurality of rotating blocks, each rotating block is fixed on the rotating shaft at intervals in the circumferential direction, and the outer surface of each rotating block is stuck with the dielectric film.
5. The wave power unit according to claim 4, characterized in that: the outer surface of the rotating block is of an arc-shaped structure.
6. The wave power unit according to claim 4, characterized in that: and a magnet is arranged in each rotating block, and a stator is arranged on one side of the rotor.
7. The wave power unit according to claim 2, characterized in that: the surface of the dielectric film is provided with textures.
8. The manufacturing method of the wave energy power generation device is characterized by comprising the following steps of:
preparing a volute and a rotary drum by using a 3D printer;
the rotor of the electromagnetic generator is arranged in the rotary drum so that the rotor can rotate by taking the central shaft of the rotary drum as a rotating shaft, and the stator of the electromagnetic generator is fixed on one side of the rotor along the length direction of the rotary drum;
attaching a dielectric film on the outer surface of a rotor of the electromagnetic generator;
plating metal electrodes on the chemical fiber cloth;
the chemical fiber cloth is stuck on the inner wall of the rotary drum so that the metal electrode is positioned between the inner wall of the rotary drum and the chemical fiber cloth, and the chemical fiber cloth is contacted with the dielectric film.
9. The method for manufacturing a wave power unit according to claim 8, wherein: and sequentially plating a plurality of metal electrodes on the surface of the chemical fiber cloth at intervals along the length direction of the chemical fiber cloth.
10. The method for manufacturing a wave power unit according to claim 8, wherein: and (3) carrying out surface modification treatment on the chemical fiber cloth to improve the hydrophobicity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861456.7A CN113530752B (en) | 2021-07-29 | 2021-07-29 | Wave energy power generation device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861456.7A CN113530752B (en) | 2021-07-29 | 2021-07-29 | Wave energy power generation device and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113530752A CN113530752A (en) | 2021-10-22 |
| CN113530752B true CN113530752B (en) | 2023-08-01 |
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| CN202110861456.7A Active CN113530752B (en) | 2021-07-29 | 2021-07-29 | Wave energy power generation device and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116292047B (en) * | 2023-05-17 | 2023-07-14 | 暨南大学 | Green wave energy power generation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20140077499A1 (en) * | 2012-09-14 | 2014-03-20 | Eegen Co., Ltd. | Underwater electric rotating device having waterproofing structure and underwater generator using the same |
| BR112018012644B1 (en) * | 2015-12-24 | 2023-05-09 | Koninklijke Philips N.V. | TRIBOELECTRIC POWER GENERATOR |
| US10951132B2 (en) * | 2016-05-17 | 2021-03-16 | Wisconsin Alumni Research Foundation | Electrostatic rotating-machine employing dielectric substrates with surface conductors |
| CN109921678B (en) * | 2019-03-22 | 2020-04-03 | 安徽大学 | Rotary electromagnetic-friction composite nano generator |
| CN110417186A (en) * | 2019-08-06 | 2019-11-05 | 大连海事大学 | A kind of electromagnetism-friction nanometer stream generating device |
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