CN114542368B - Wave energy collection device - Google Patents
Wave energy collection device Download PDFInfo
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- CN114542368B CN114542368B CN202210156509.XA CN202210156509A CN114542368B CN 114542368 B CN114542368 B CN 114542368B CN 202210156509 A CN202210156509 A CN 202210156509A CN 114542368 B CN114542368 B CN 114542368B
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- piezoelectric
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical group [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 claims description 3
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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"
- F03B13/20—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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/95—Mounting on supporting structures or systems offshore
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Abstract
The invention discloses a wave energy collecting device, which consists of a horizontal pendulum bob, a driving shaft, a box body flat plate, a speed increasing box, a transmission shaft, an electromagnetic energy collecting unit and a piezoelectric energy collecting unit, wherein the horizontal pendulum bob is connected with the driving shaft and is in contact with the box body flat plate; the other end of the driving shaft penetrates through the box body flat plate to be connected with the input end of the speed increasing box, and the output end of the speed increasing box is connected with the electromagnetic energy acquisition unit and the piezoelectric energy acquisition unit through a transmission shaft; the piezoelectric energy acquisition unit comprises a rotating wheel, a rotating magnet, a swinging magnet, a spring, a lever, an elastic sheet and a piezoelectric sheet, wherein the rotating wheel is fixedly connected with the transmission shaft, the rotating magnet is fixed at the edge of the rotating wheel, and a gap is reserved between the rotating magnet and the swinging magnet and the rotating magnet and attracts each other; one end of the spring is fixed with the swinging magnet, and the other end is fixed with the lever; the other end of the lever is fixed with the elastic piece; the piezoelectric sheet is arranged on the elastic sheet, and one end of the elastic sheet is fixed with the buoy body. The invention has reasonable structural design and stable working process, and improves the energy collection efficiency.
Description
Technical Field
The invention relates to the technical field of marine observation equipment and peripheral supporting facilities thereof, in particular to a wave energy collecting device.
Background
The marine observation system can collect data about oceanography, monitor environmental pollution, climate change and remote image transmission. With the continuous development of technology, the requirements on ocean forecasting are higher and higher. The ocean buoy is continuously monitored at sea for a long time, the power consumption of the satellite transmission equipment is high, the cost of battery replacement is high, and the service life of the observation equipment is severely limited by only relying on batteries with limited capacity to supply power and reduce energy consumption. Therefore, there is an increasing demand for the life of drifting buoys, both for military use and for civilian use.
The power supply solution of marine observers should be developed towards "in-situ energy extraction", where wave energy is a good choice. The wave energy refers to kinetic energy and potential energy of ocean surface waves, is one of the most abundant energy sources in ocean energy sources, has the advantages of high energy density, wide distribution range, environmental protection and the like, is inexhaustible renewable clean energy source, and is the most direct energy source available for ocean observation. If a miniaturized wave energy collecting device is developed to continuously supply power for the drifting buoy, the service life of the drifting buoy can be prolonged, environmental pollution is reduced, and the device has important social and economic significance for reducing ocean development cost, assisting ocean utility development and enhancing national defense force.
Disclosure of Invention
The invention provides a wave energy collecting device for supplying power to marine observation equipment, which solves the problems in the prior art and prolongs the service life of the marine observation equipment.
The invention is realized in such a way that the wave energy collecting device consists of a horizontal pendulum bob, a driving shaft, a box body flat plate, a speed increasing box, a transmission shaft, an electromagnetic energy collecting unit and a piezoelectric energy collecting unit, wherein the horizontal pendulum bob is connected with one end of the driving shaft, and the horizontal pendulum bob is contacted with the box body flat plate and can roll on the upper end surface of the box body flat plate to drive the driving shaft to rotate; the other end of the driving shaft penetrates through the box body flat plate to be connected with the input end of the speed increasing box, and the output end of the speed increasing box is connected with the electromagnetic energy acquisition unit and the piezoelectric energy acquisition unit through a transmission shaft;
the piezoelectric energy collection unit comprises a rotating wheel, a rotating magnet, a swinging magnet, a spring, a lever, an elastic sheet and a piezoelectric sheet, wherein the rotating wheel is fixedly connected with a transmission shaft, the rotating magnet is fixed at the edge of the rotating wheel, a gap is reserved between the rotating magnet and the swinging magnet, and the rotating magnet and the swinging magnet are attracted to each other; one end of the spring is fixed with the swing magnet, and the other end of the spring is fixed at one end of the lever; the other end of the lever is fixedly connected with the elastic piece; the piezoelectric sheet is arranged on the elastic sheet and can deform along with the elastic sheet; one end of the elastic piece is fixed with the buoy body.
Preferably, the horizontal pendulum bob is conical, so that the contact area with a box body flat plate is reduced, friction force is further reduced, and the horizontal pendulum bob can roll conveniently.
Preferably, the rotating wheel is a wheel disc with a plurality of teeth, the top end of each tooth of the rotating wheel is fixedly provided with the rotating magnet, and the rotating magnet is convenient to install at the top end of each tooth.
Preferably, the elastic sheet is provided with an upper sheet and a lower sheet, and the shape of the elastic sheet is rectangular; the other end of the lever is fixedly connected with one ends of the two elastic sheets in the length direction, the piezoelectric sheet is arranged between the two elastic sheets, and the piezoelectric sheet is fixed with the elastic sheets.
Preferably, the piezoelectric plate is a lead zirconate titanate piezoelectric ceramic plate, and the curie point of the piezoelectric plate is high, so that excellent mechanical properties can be maintained under the condition of low or high temperature.
Preferably, the electromagnetic energy collection unit comprises a directional rotation gear set, a spring box and a generator, wherein the input end of the directional rotation gear set is connected with the transmission shaft, the output end of the directional rotation gear set is connected with the spring box, so that mechanical energy is stored in the spring box, the spring box is connected with the generator, and the spring in the spring box outputs mechanical energy to the generator to drive the generator shaft to rotate.
The invention has the advantages and positive effects that:
the wave energy collecting device disclosed by the invention is reasonable in structural design and stable in working process, and the piezoelectric energy collecting unit is added on the basis of the electromagnetic energy collecting unit, so that the piezoelectric energy collecting device has the advantages of high energy density, no electromagnetic interference, convenience in realizing miniaturization and integration, convenience in processing and the like, and the energy collecting efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a wave energy collection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a piezoelectric energy harvesting unit of the wave energy harvesting apparatus according to an embodiment of the present invention.
Wherein: 1. a horizontal pendulum; 2. a driving shaft; 3. a box flat plate; 4. a speed increasing box; 5. an electromagnetic energy collection unit; 6. a transmission shaft; 7. a rotating wheel; 8. rotating the magnet; 9. a swinging magnet; 10. a spring; 11. a lever; 12. an elastic sheet; 13. a piezoelectric sheet; 14. a piezoelectric energy acquisition unit; 15. a buoy body.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2, the present embodiment provides a wave energy collecting device, which is composed of a horizontal pendulum 1, a driving shaft 2, a box flat plate 3, a speed increasing box 4, a transmission shaft 6, an electromagnetic energy collecting unit 5 and a piezoelectric energy collecting unit 14, wherein the horizontal pendulum 1 is connected with one end of the driving shaft 2, the horizontal pendulum 1 contacts with the box flat plate 3, and can roll on the upper end surface of the box flat plate 3 to drive the driving shaft 2 to rotate; the other end of the driving shaft 2 penetrates through the box body flat plate 3 to be connected with the input end of the speed increasing box 4, and the output end of the speed increasing box 4 is connected with the electromagnetic energy collecting unit 5 and the piezoelectric energy collecting unit 14 through the transmission shaft 6.
Specifically, the horizontal pendulum bob 1 is conical, so that the contact area with the box flat plate 3 is reduced, the friction force is further reduced, and the horizontal pendulum bob 1 can roll conveniently.
The electromagnetic energy collection unit 5 is based on Faraday's law of electromagnetic induction, and can reach very high power output under multistage gear drive, and it includes directional rotation gear train, wind spring case and generator, the input of directional rotation gear train is connected with transmission shaft 6, the wind spring case is connected to the output of directional rotation gear train, the wind spring case is connected with the generator. When the horizontal pendulum 1 rolls along the box flat plate 3 under the wave action, the driving shaft 2 is driven to rotate, the driving shaft 2 drives the transmission shaft 6 to rotate through the speed increasing box 4, the directional rotation gear set is driven to rotate, the spring shaft in the spring box is driven by the directional rotation gear set to rotate and twist the spring, so that the spring stores mechanical energy, and when the energy reaches a certain degree (namely, the rotating speed and the torque of the generator are reached), the spring drives the generator shaft to rotate to generate electric quantity.
The piezoelectric energy collection unit 14 comprises a rotating wheel 7, a rotating magnet 8, a swinging magnet 9, a spring 10, a lever 11, an elastic sheet 12 and a piezoelectric sheet 13, wherein the rotating wheel 7 is fixedly connected with the transmission shaft 6, the rotating magnet 8 is fixed at the edge of the rotating wheel 7, a gap is reserved between the rotating magnet 8 and the swinging magnet 9, and the rotating magnet 8 and the swinging magnet are attracted to each other; one end of the spring 10 is fixed with the swinging magnet 9, and the other end of the spring is fixed at one end of the lever 11; the other end of the lever 11 is fixedly connected with the elastic piece 12; the piezoelectric sheet 13 is arranged on the elastic sheet 12 and can deform along with the elastic sheet 12; one end of the elastic piece 12 is fixed with the buoy body 15.
Specifically, the rotating wheel 7 is a wheel disc with a plurality of teeth, the top end of each tooth of the rotating wheel 7 is fixed with the rotating magnet 8, and the top end of each tooth is convenient for installing the rotating magnet 8.
The elastic sheet 12 is provided with an upper sheet and a lower sheet, and the shape of the elastic sheet 12 is rectangular, and compared with the elastic sheets 12 with other shapes, the elastic sheet 12 can obtain larger deformation amount with smaller stress at the moment; the other end of the lever 11 is fixedly connected with one end of the two elastic sheets 12 in the length direction, the piezoelectric sheet 13 is arranged between the two elastic sheets 12, and the piezoelectric sheet 13 is fixed with the two elastic sheets 12.
The piezoelectric sheet 13 is a lead zirconate titanate piezoelectric ceramic sheet, and the curie point of the piezoelectric sheet 13 is high, so that excellent mechanical properties can be maintained under low or high temperature conditions.
When the box flat plate 3 swings under the action of sea waves, the horizontal pendulum 1 can roll along the box flat plate 3 to drive the driving shaft 2 to rotate due to inertia, the driving shaft 2 drives the speed increasing box 4 to increase the rotating speed, the speed increasing box 4 drives the rotating wheel 7 to rotate through the transmission shaft 6, the swinging magnet 9 swings at a left and right high frequency under the action of the magnetic force of the rotating magnet 8 of the rotating wheel 7, the action is transferred to the elastic sheet 12 through the spring 10 and the lever 11, the elastic sheet 12 deforms, and the piezoelectric sheet 13 is driven to deform to generate electric quantity, and the electric quantity is transferred out through a cable. Meanwhile, the speed increasing box 4 drives the directional rotation gear set to rotate through the transmission shaft 6, the directional rotation gear set enables the spring in the spring box to store mechanical energy, and when the energy reaches a certain degree, the spring drives the generator shaft to rotate, so that the generator generates electricity, and electric energy is output through the cable.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. The wave energy collecting device is characterized by comprising a horizontal pendulum bob, a driving shaft, a box body flat plate, a speed increasing box, a transmission shaft, an electromagnetic energy collecting unit and a piezoelectric energy collecting unit, wherein the horizontal pendulum bob is connected with one end of the driving shaft, is contacted with the box body flat plate and can roll on the upper end surface of the box body flat plate to drive the driving shaft to rotate; the other end of the driving shaft penetrates through the box body flat plate to be connected with the input end of the speed increasing box, and the output end of the speed increasing box is connected with the electromagnetic energy acquisition unit and the piezoelectric energy acquisition unit through a transmission shaft;
the piezoelectric energy collection unit comprises a rotating wheel, a rotating magnet, a swinging magnet, a spring, a lever, an elastic sheet and a piezoelectric sheet, wherein the rotating wheel is fixedly connected with a transmission shaft, the rotating magnet is fixed at the edge of the rotating wheel, a gap is reserved between the rotating magnet and the swinging magnet, and the rotating magnet and the swinging magnet are attracted to each other; one end of the spring is fixed with the swing magnet, and the other end of the spring is fixed at one end of the lever; the other end of the lever is fixedly connected with the elastic piece; the piezoelectric sheet is arranged on the elastic sheet and can deform along with the elastic sheet; one end of the elastic piece is fixed with the buoy body;
the rotating wheel is a wheel disc with a plurality of teeth, and the rotating magnet is fixed at the top end of each tooth of the rotating wheel;
the elastic sheet is provided with an upper sheet and a lower sheet, and the shape of the elastic sheet is rectangular; the other end of the lever is fixedly connected with one end of the two elastic sheets in the length direction, the piezoelectric sheet is arranged between the two elastic sheets, and the piezoelectric sheet is fixed with the elastic sheets;
when the box flat plate swings under the action of sea waves, the horizontal pendulum bob can roll along the box flat plate to drive the driving shaft to rotate due to inertia, the driving shaft drives the speed increasing box to increase the rotating speed, the speed increasing box drives the rotating wheel to rotate through the transmission shaft, the swinging magnet swings at a left and right high frequency under the action of the magnetic force of the rotating magnet of the rotating wheel, the action is transmitted to the elastic sheet through the spring and the lever, the elastic sheet deforms, and accordingly the piezoelectric sheet is driven to deform to generate electricity, and the electricity is transmitted out through the cable.
2. The wave energy collecting apparatus of claim 1, wherein said horizontal pendulum is tapered.
3. The wave energy harvesting apparatus of claim 1, wherein the piezoelectric sheet is a lead zirconate titanate piezoelectric ceramic sheet.
4. The wave energy collecting apparatus of claim 1, wherein the electromagnetic energy collecting unit comprises a directional rotation gear set, a spring box and a generator, an input end of the directional rotation gear set is connected with the transmission shaft, an output end of the directional rotation gear set is connected with the spring box, the spring in the spring box stores mechanical energy, the spring box is connected with the generator, and the spring in the spring box outputs mechanical energy to the generator to drive the generator shaft to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210156509.XA CN114542368B (en) | 2022-02-21 | 2022-02-21 | Wave energy collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210156509.XA CN114542368B (en) | 2022-02-21 | 2022-02-21 | Wave energy collection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114542368A CN114542368A (en) | 2022-05-27 |
| CN114542368B true CN114542368B (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210156509.XA Active CN114542368B (en) | 2022-02-21 | 2022-02-21 | Wave energy collection device |
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2022
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