CN112628059B - Wave energy collection device - Google Patents
Wave energy collection device Download PDFInfo
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- CN112628059B CN112628059B CN202011466784.9A CN202011466784A CN112628059B CN 112628059 B CN112628059 B CN 112628059B CN 202011466784 A CN202011466784 A CN 202011466784A CN 112628059 B CN112628059 B CN 112628059B
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- power generation
- gear
- ratchet
- permanent magnet
- elastic element
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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
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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
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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)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a wave energy collecting device, which is a power generation unit network formed by connecting a plurality of power generation units, wherein each power generation unit is positioned in an enclosure with a sealed space inside, adjacent enclosures are connected through flexible connecting pieces, and each enclosure generates oscillation under wave excitation force and acting force of the adjacent enclosures; the power generation unit comprises a vibration assembly, a transmission assembly and a permanent magnet power generation assembly, wherein the vibration assembly comprises an elastic element, the elastic element is mounted on the wall of the enclosure, and the elastic element moves along with the oscillation of the enclosure; the permanent magnet power generation assembly comprises a permanent magnet and an induction coil, and the elastic element drives the permanent magnet to rotate through conversion of the transmission assembly to cut a magnetic induction wire. The wave energy collecting device collects mechanical energy of the wave and tide action on the sea, adapts to different all-weather ocean environments, and solves the defects of low electromechanical conversion efficiency and low utilization rate of wave energy in the existing wave energy collecting device.
Description
Technical Field
The invention relates to the technical field of marine environment wave energy collection structures, in particular to a wave energy collection device.
Background
The ocean energy is inexhaustible and pollution-free renewable energy, and is one of the most abundant, clean and renewable energy sources on the earth. The wave energy in the ocean energy has incomparable superiority to other energy sources, and the dependency on seasons, day and night, weather and temperature conditions is greatly reduced. Therefore, reasonable development and utilization of wave energy have great strategic significance.
The wave energy power generation device is divided into oscillating water columns, swinging plates, oscillating floats, floating body included angles, shrinkage water channels and the like in principle, and can be divided into according to different basic platforms: shore type, shallow water pile foundation type, floating type and diving type. The problems of the current various wave energy power generation systems mainly include: the high cost, bad survivability, bad adaptability to different waves, bad corrosion resistance, low wave height utilization rate, low conversion efficiency, unstable output power, high failure rate, high maintenance cost, etc.
The ocean climate environment is changeable, the wave excitation mode is complex, and most of the current small ocean environment wave energy collecting devices are low in output power, low in reliability and poor in environmental adaptability.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the technical problems existing in the prior art, the invention provides the wave energy collecting device which is used for collecting mechanical energy of the marine waves and tidal current actions, and the collecting device can be suitable for different marine environments in all weather, and overcomes the defects of low electromechanical conversion efficiency and low utilization rate of wave energy in the existing wave energy collecting.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the wave energy collecting device is a power generation unit network formed by connecting a plurality of power generation units, each power generation unit is positioned in an enclosure with a sealed space inside, adjacent enclosures are connected through flexible connecting pieces, and each enclosure generates oscillation under wave excitation force and acting force of the adjacent enclosure; the power generation unit comprises a vibration assembly, a transmission assembly and a permanent magnet power generation assembly, wherein the vibration assembly comprises an elastic element, the elastic element is mounted on the wall of the enclosure, and the elastic element moves along with the oscillation of the enclosure; the permanent magnet power generation assembly comprises a permanent magnet and an induction coil, and the elastic element drives the permanent magnet to rotate through conversion of the transmission assembly to cut a magnetic induction wire.
As a further improvement of the above technical scheme:
preferably, the transmission assembly comprises a first transmission part, a gear transmission group and a ratchet transmission group, wherein the first transmission part is fixedly connected with the elastic element, the first transmission part and the elastic element synchronously move, and the first transmission part drives the ratchet transmission group to rotate through the conversion of the gear transmission group.
Preferably, the first transmission part is a rack, the power generation unit further comprises a guide rod, the rack is provided with a chute, the guide rod is fixed on the wall of the enclosure through the chute, and the guide rod is slidably arranged in the chute of the rack.
Preferably, two elastic elements are arranged, the two elastic elements are respectively arranged on the top wall and the bottom plate of the sealing cover, one end of each elastic element is fixed on the sealing cover, and the other end of each elastic element is fixedly connected with one end of the rack.
The gear transmission group comprises a first gear and a second gear, the first gear is meshed with the rack, the first gear and the second gear form a gear pair, and the second gear drives the ratchet transmission group through a rotating shaft.
Preferably, the ratchet transmission group comprises a ratchet plate, a rotating plate and a ratchet, wherein the rotating plate is fixedly connected with the second gear, the ratchet is arranged on the rotating plate, and the ratchet plate is driven to rotate through the ratchet.
Preferably, the permanent magnet power generation assembly further comprises a coil mounting plate, the coil mounting plate is fixedly mounted in the enclosure, a plurality of induction coils are arranged, the induction coils are distributed in a disc array of the coil mounting plate, and all the induction coils are connected in series.
Preferably, a plurality of permanent magnets are provided, the permanent magnets being distributed along a circular array of ratchet plates.
Preferably, the induction coils are arranged corresponding to the permanent magnets, and the magnetic poles of the permanent magnets are installed on the ratchet plate in a staggered mode.
Preferably, the coil mounting plate is provided with a plurality of circular grooves, and the induction coil is arranged in the circular grooves; the ratchet plate is provided with a plurality of round grooves, and the permanent magnet is arranged in the round grooves.
Preferably, both sides of the second gear are respectively provided with a permanent magnet power generation assembly and a ratchet transmission group.
Preferably, the second gear is provided with at least two gears, and is meshed with the first gear respectively.
Preferably, the gear transmission group, the ratchet transmission group and the permanent magnet power generation assembly are provided with at least two groups, and are symmetrically arranged on two sides of the first transmission piece.
Preferably, the connectors are ropes, and all the enclosures are distributed in a radial structure, or in a honeycomb manner, or in a tree-like manner, or in a matrix manner by the ropes.
Compared with the prior art, the wave energy collecting device provided by the invention has the following advantages:
the wave energy collecting device provided by the invention can generate waves at sea level or calm, the elastic element can deform and transmit the deformation to the mechanical structure to move, so that electric energy is generated, and the electromechanical conversion efficiency is improved.
The wave energy collection device collects mechanical energy of marine waves and tide actions, can be suitable for all-weather different marine environments, and solves the defects of low electromechanical conversion efficiency and low wave energy utilization rate of the existing wave energy collection device.
According to the wave energy collection device, the permanent magnets are in a circumferential array, and the strongest magnetic field can be generated by adopting the least amount of magnets, so that electromagnetic induction power generation is facilitated.
Drawings
FIG. 1 is a schematic diagram of a system application of the wave energy harvesting apparatus of the present invention;
FIG. 2 is a schematic diagram of a power generation unit according to the present invention;
fig. 3 is an exploded view of a part of the structure of the power generation unit of the present invention.
The reference numerals in the figures illustrate:
1. an enclosure; 2. an elastic element; 3. a rack; 4. a mounting base; 5. a guide rod; 6. a mounting shaft; 7. a coil mounting plate; 8. a rope; 9. an induction coil; 10. a first gear; 11. a second gear; 12. a ratchet; 13. a ratchet plate; 14. a permanent magnet; 15. a rotating shaft.
Detailed Description
The following describes specific embodiments of the present invention in detail. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Fig. 1 to 3 show an embodiment of the wave energy harvesting apparatus of the present invention, which is a network of power generation units formed by a plurality of power generation units connected, each power generation unit being located within an enclosure 1 having a sealed space inside, adjacent enclosures 1 being connected by flexible connectors, each enclosure 1 oscillating under wave excitation forces and forces of the adjacent enclosure 1. The connectors are ropes 8, and all the enclosures 1 are distributed in a radial structure, a honeycomb mode, a tree mode or a matrix mode through the ropes 8.
In this embodiment, the power generation unit includes a vibration assembly, a transmission assembly and a permanent magnet power generation assembly, the vibration assembly includes an elastic element 2, the elastic element 2 is mounted on the wall of the enclosure 1, and the elastic element 2 moves along with the oscillation of the enclosure 1. The permanent magnet power generation assembly comprises a permanent magnet 14 and an induction coil 9, and the elastic element 2 drives the permanent magnet 14 to rotate through conversion of the transmission assembly so as to cut a magnetic induction line. The elastic unit generally adopts a spring.
In this embodiment, the transmission assembly includes a first transmission member, a gear transmission group and a ratchet transmission group, where the first transmission member is fixedly connected with the elastic element 2, and the first transmission member moves synchronously with the elastic element 2, and the first transmission member drives the ratchet transmission group to rotate through conversion of the gear transmission group.
In this embodiment, the first driving medium is the rack 3, and the power generation unit still includes guide bar 5, and rack 3 is equipped with the spout, and guide bar 5 passes the spout to be fixed in the cover 1 wall, and guide bar 5 slides and locates in the spout of rack 3. The guide bar 5 can ensure the single degree of freedom movement of the rack 3.
In this embodiment, two elastic elements 2 are provided, the two elastic elements 2 are respectively mounted on the top wall and the bottom plate of the enclosure 1, one end of the elastic element 2 is fixed on the enclosure 1, and the other end is fixedly connected with one end of the rack 3.
In this embodiment, the gear transmission set includes a first gear 10 and a second gear 11, the first gear 10 is meshed with the rack 3, the first gear 10 is installed in the enclosure 1 through the installation shaft 6, and a bearing is provided between the installation shaft 6 and the first gear 10. The first gear 10 and the second gear 11 form a gear pair, and the second gear 11 drives the ratchet transmission set through a rotating shaft 15.
In this embodiment, the ratchet transmission group includes ratchet plate 13, rolling disc and ratchet 12, and the rolling disc is connected with second gear 11 fixed, and ratchet 12 installs on the rolling disc, and the front of ratchet plate 13 has the ratchet groove to match with ratchet 12, drives the rotation through ratchet 12. The back surface of the ratchet plate 13 is provided with 6 circular grooves, each circular groove is internally provided with a permanent magnet 14, and the magnetic poles of the permanent magnets 14 are arranged on the ratchet plate 13 in a staggered manner.
In this embodiment, the permanent magnet power generation assembly further includes a coil mounting plate 7, and the coil mounting plate 7 is fixedly mounted on the side wall of the enclosure 1 through the mounting seat 4. The coil mounting plate 7 is provided with 6 circular grooves, and an induction coil 9 is arranged in each circular groove; the induction coils 9 are distributed in a circular array along the coil mounting plate 7, all induction coils 9 being connected in series. The induction coil 9 is arranged in correspondence with the permanent magnet 14.
In this embodiment, two sides of the second gear 11 are respectively provided with a permanent magnet power generation assembly and a ratchet transmission set.
In this embodiment, each power generation unit is provided with two first gears 10, each first gear 10 drives two second gears 11 respectively, and each second gear 11 is provided with a permanent magnet power generation assembly twice.
In the wave energy collecting device, the elastic element 2 does not deform in the initial state. When sea waves are generated, under the action of surging excitation of the sea waves, the elastic element 2 is elastically deformed to drive the rack 3 to reciprocate, and the ratchet plate 13 driven by gear rotation of the gear transmission group rotates to cut magnetic induction lines, so that mechanical energy is converted into electric energy.
When the sea surface calms, the elastic element 2 returns to its original shape without deformation. The wave surges are in any direction, and the wave surges do cyclic reciprocating motion in any direction, so that mechanical energy can be generated in the deformation and recovery stages, and finally the mechanical energy is converted into electric energy through the permanent magnet power generation assembly.
The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (7)
1. The wave energy collecting device is characterized in that the collecting device is a power generation unit network formed by connecting a plurality of power generation units, each power generation unit is positioned in an enclosure with a sealed space inside, adjacent enclosures are connected through flexible connecting pieces, and each enclosure oscillates under wave excitation force and acting force of the adjacent enclosure; the power generation unit comprises a vibration assembly, a transmission assembly and a permanent magnet power generation assembly, wherein the vibration assembly comprises an elastic element, the elastic element is mounted on the wall of the enclosure, and the elastic element moves along with the oscillation of the enclosure; the permanent magnet power generation assembly comprises a permanent magnet and an induction coil, and the elastic element drives the permanent magnet to rotate through conversion of the transmission assembly so as to cut a magnetic induction wire; the transmission assembly comprises a first transmission part, a gear transmission group and a ratchet transmission group, wherein the first transmission part is fixedly connected with the elastic element, the first transmission part and the elastic element synchronously move, and the first transmission part drives the ratchet transmission group to rotate through the conversion of the gear transmission group; the connecting pieces are ropes, and all the sealing covers are distributed in a radial structure through the ropes, or are distributed in a honeycomb mode, or are distributed in a tree mode, or are distributed in a matrix mode;
the first transmission part is a rack, the power generation unit further comprises a guide rod, the rack is provided with a chute, the guide rod is fixed on the wall of the enclosure through the chute, and the guide rod is arranged in the chute of the rack in a sliding manner;
the two elastic elements are respectively arranged on the top wall and the bottom plate of the sealing cover, one end of each elastic element is fixed on the sealing cover, and the other end of each elastic element is fixedly connected with one end of the rack;
the gear transmission group comprises a first gear and a second gear, the first gear is meshed with the rack, the first gear and the second gear form a gear pair, and the second gear drives the ratchet transmission group through a rotating shaft;
the ratchet transmission group comprises a ratchet plate, a rotating plate and a ratchet, the rotating plate is fixedly connected with the second gear, the ratchet is arranged on the rotating plate, and the ratchet plate is driven to rotate through the ratchet;
the permanent magnet power generation assembly further comprises a coil mounting plate, the coil mounting plate is fixedly mounted in the enclosure, a plurality of induction coils are arranged, the induction coils are distributed in a disc array of the coil mounting plate, and all the induction coils are connected in series.
2. The wave energy harvesting apparatus of claim 1, wherein the permanent magnets are provided in a plurality, the permanent magnets being distributed along a circular array of ratchet plates.
3. The wave energy harvesting apparatus of claim 2, wherein the induction coils are arranged in correspondence with permanent magnets, the permanent magnet poles being mounted on ratchet plates in a staggered manner.
4. A wave energy harvesting apparatus as defined by claim 3, wherein the coil mounting plate is provided with a plurality of circular slots, the induction coil being disposed within a circular slot; the ratchet plate is provided with a plurality of round grooves, and the permanent magnet is arranged in the round grooves.
5. The wave energy harvesting apparatus of claim 2, wherein the two sides of the second gear are provided with a permanent magnet power generation assembly and a ratchet drive train, respectively.
6. The wave energy harvesting apparatus of claim 1, wherein the second gear is provided with at least two gears, each engaged with the first gear.
7. The wave energy harvesting apparatus of claim 1, wherein the gear drive train, the ratchet drive train and the permanent magnet generator assembly are provided with at least two sets symmetrically disposed on either side of the first drive member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466784.9A CN112628059B (en) | 2020-12-14 | 2020-12-14 | Wave energy collection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011466784.9A CN112628059B (en) | 2020-12-14 | 2020-12-14 | Wave energy collection device |
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| CN112628059A CN112628059A (en) | 2021-04-09 |
| CN112628059B true CN112628059B (en) | 2023-05-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116292052B (en) * | 2023-04-26 | 2024-04-26 | 浙江大学 | Wave energy collection device for cylindrical autonomous underwater robot |
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| CN102287310A (en) * | 2011-07-26 | 2011-12-21 | 南京航空航天大学 | Snake-shaped wave energy acquisition device |
| CN107218171A (en) * | 2017-06-19 | 2017-09-29 | 苏州大学 | A kind of Wave energy collecting device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1079611A (en) * | 1978-03-15 | 1980-06-17 | A. Marcel Giguere | Wave floating island dynamos |
| US7476986B1 (en) * | 2006-08-07 | 2009-01-13 | Del Principe David M | Wave-action energy producing apparatus |
| US8487459B2 (en) * | 2009-10-09 | 2013-07-16 | Ocean Power Technologies, Inc. | Wave energy converter and power take off system |
| CN105245081A (en) * | 2015-10-13 | 2016-01-13 | 无锡昊瑜节能环保设备有限公司 | Lake water wave power generation equipment |
| CN205714566U (en) * | 2016-04-26 | 2016-11-23 | 上海交通大学 | Coupled linear directly drives float type wave energy power generation |
| CN108825427B (en) * | 2018-05-25 | 2020-05-12 | 北京航空航天大学 | Mechanical rectification type sea wave energy-absorbing power generation device |
| CN110439729A (en) * | 2019-06-28 | 2019-11-12 | 上海海事大学 | A kind of wave energy generating set of floating oscillation |
| CN111864941B (en) * | 2020-07-29 | 2022-06-17 | 湖南工程学院 | High-robustness magnetic coupling full-sealing friction and electromagnetic composite road surface energy collecting device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287310A (en) * | 2011-07-26 | 2011-12-21 | 南京航空航天大学 | Snake-shaped wave energy acquisition device |
| CN107218171A (en) * | 2017-06-19 | 2017-09-29 | 苏州大学 | A kind of Wave energy collecting device |
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