CN216447040U - Multi-degree-of-freedom wave power generation device suitable for drifting buoy - Google Patents
Multi-degree-of-freedom wave power generation device suitable for drifting buoy Download PDFInfo
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- CN216447040U CN216447040U CN202122782502.2U CN202122782502U CN216447040U CN 216447040 U CN216447040 U CN 216447040U CN 202122782502 U CN202122782502 U CN 202122782502U CN 216447040 U CN216447040 U CN 216447040U
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- 238000010248 power generation Methods 0.000 title claims abstract description 30
- 238000003306 harvesting Methods 0.000 claims abstract description 32
- 238000004146 energy storage Methods 0.000 claims abstract description 29
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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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Abstract
The utility model relates to the technical field of wave energy power generation, and discloses a multi-degree-of-freedom wave energy power generation device suitable for a drifting buoy, which comprises a buoy shell, an energy storage assembly and at least one energy harvesting unit; the energy storage assembly and the energy harvesting unit are arranged inside the buoy shell, and the energy storage assembly is electrically connected with the energy harvesting unit; the energy harvesting unit comprises a shell, a coil and a magnetic rotor; the coil winding is at the surface of casing, and the magnet moves in the casing and can be in the casing internal motion to thereby take place relative motion with the coil and produce the electric current in the coil, the energy storage subassembly carries out the rectification storage to the electric current, realizes turning into the wave energy electric energy with the wave energy, in order to solve prior art's wave energy power generation facility not to be applicable to the technical problem of the narrow and small drift buoy of inner space.
Description
Technical Field
The utility model relates to the technical field of wave energy power generation, in particular to a multi-degree-of-freedom wave energy power generation device suitable for a drifting buoy.
Background
The drift buoy is one of important ocean observation instruments, and an observation system consisting of a large number of drift buoys can effectively collect various physical and chemical parameters in the ocean and is used in the fields of scientific research, military reconnaissance and the like. Sensors mounted on the drift buoy, such as salinity sensors, temperature sensors, etc., require a continuous and stable supply of electrical energy. Most of the existing drifting buoys are powered by batteries and solar energy, the batteries are high in maintenance cost and pollute the marine environment, and the solar energy is low in energy density and greatly influenced by weather conditions, so that the requirement of long-term observation of the drifting buoys is difficult to meet.
Wave energy density is big in the ocean, and is less influenced by weather in the deep and distant sea area, if can utilize the wave energy to realize the satellite energy supply to the drift buoy, will effectively reduce the maintenance cost, improves the operational capability of drift buoy. Most of the developed mature wave power generation devices are huge in size, the generated power is in the kilowatt level or even the megawatt level, and the wave power generation devices are not suitable for drifting buoys with narrow internal spaces.
Thus, improvements in the prior art are needed.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the wave energy power generation device with multiple degrees of freedom is suitable for the drifting buoy, and the technical problem that the wave energy power generation device in the prior art is not suitable for the drifting buoy with a narrow internal space is solved.
In order to achieve the above object, the present invention provides a multiple degree of freedom wave energy power generation device suitable for a drift buoy, comprising:
the buoy comprises a buoy shell, an energy storage assembly and at least one energy capturing unit;
the energy storage assembly and the energy harvesting unit are both arranged inside the buoy shell, and the energy storage assembly is electrically connected with the energy harvesting unit;
the energy harvesting unit comprises a shell, a coil and a magnetic rotor;
the coil is wound on the outer surface of the shell, the magnetic rotor is located in the shell and can move in the shell so as to move relative to the coil to generate current in the coil, and the energy storage assembly rectifies and stores the current.
In some embodiments of the present application, the housing is a strip, and the coil is wound around a middle portion of the housing.
In some embodiments of the present application, the housing and the magnetic mover are both cylindrical.
In some embodiments of the present application, the shell has buffer layers at both ends of the interior thereof.
In some embodiments of the present application, the energy storage assembly is located in the center of the interior of the buoy housing, and one end of the housing is connected to the energy storage assembly and the other end is connected to the inner wall of the buoy housing.
In some embodiments of the present application, the energy storage assembly includes a casing, the casing is a polyhedron in shape, and each face of the casing is provided with the energy harvesting unit.
In some embodiments of the present application, the casing has a regular polyhedron shape.
In some embodiments of the present application, the casing has a regular hexahedron shape.
In some embodiments of the present application, a fixing plate is disposed at one end of the housing, and the fixing plate is used for being connected to the housing.
In some embodiments of the present application, the energy storage assembly further includes a rectifier, a storage battery, an inverter, and an electrical instrument, which are disposed in the housing and electrically connected in sequence;
the current generated by the energy harvesting unit is rectified by the rectifier, stored in the storage battery and transmitted to the electricity utilization instrument through the inverter.
Compared with the prior art, the multi-degree-of-freedom wave power generation device suitable for the drifting buoy has the beneficial effects that:
the multi-degree-of-freedom wave energy power generation device suitable for the drifting buoy is provided with the small-volume energy harvesting unit which can be arranged in the buoy shell, the coil is wound on the outer surface of the shell, the movable magnetic rotor is arranged in the shell, the magnetic rotor and the coil move relatively under the indirect action of waves to generate an electromagnetic induction effect, so that current is generated in the coil, the current is rectified and stored by the energy storage assembly which is also arranged in the buoy shell, the wave energy is converted into electric energy, and the technical problem that the wave energy power generation device in the prior art is not suitable for the drifting buoy with a narrow inner space is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a multi-degree-of-freedom wave power generation device suitable for a drifting buoy in an embodiment of the utility model;
FIG. 2 is a schematic structural diagram of an energy harvesting unit;
FIG. 3 is a schematic diagram of the electrical connection of an energy harvesting unit and an energy storage assembly;
in the figure, 100, a buoy shell; 200. an energy storage assembly; 210. a housing; 220. a rectifier; 230. a storage battery; 240. an inverter; 250. using an electrical instrument; 300. an energy harvesting unit; 310. a housing; 320. a coil; 330. a magnetic mover; 340. a buffer layer; 350. and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1, the wave energy power generation device with multiple degrees of freedom suitable for a drifting buoy in the preferred embodiment of the utility model mainly comprises a buoy housing 100, an energy storage assembly 200 and at least one energy harvesting unit 300.
The buoy housing 100 is generally spherical and has a cavity therein, with the energy storage assembly 200 and the energy harvesting unit 300 located within the cavity.
Referring to fig. 2, the energy capturing unit 300 includes a housing 310, a coil 320, and a magnetomotive element 330. The coil 320 is wound around the outer surface of the housing and the magnet motor 330 is located within the housing 310 and is movable within the housing 310 to move relative to the coil 320 to generate an electrical current within the coil 320. The coil 320 is preferably a copper coil, and other parameters such as the number of turns of the coil 320 and the size and length of the magnet 330 can be adjusted according to actual conditions. When the buoy housing 100 drifts with waves at sea, the magnetomotive element 330 also moves inside the housing 310, so that the energy harvesting unit 300 converts the wave energy into electric energy.
In some embodiments, the housing 310 is preferably elongated, and the coil 320 is wound around the middle of the outer surface of the housing.
In some embodiments, the housing 310 and the magnetic rotor 330 are preferably cylindrical, and the outer diameter of the magnetic rotor 330 is slightly smaller than the inner diameter of the housing 310, which is more favorable for smooth movement of the magnetic rotor 330.
In some embodiments, buffer layers 340 are disposed at both ends of the inside of the housing 310 to prevent the magnet mover 330 from breaking through both ends of the housing 310 when moving, thereby damaging the housing 310.
Referring to fig. 1 and 3, the energy storage assembly 200 is electrically connected to the energy harvesting unit 300, and the energy storage assembly 200 is used for rectifying and storing the current generated by the energy harvesting unit 300.
Specifically, the energy storage assembly 200 includes a casing 210, and a rectifier 220, a storage battery 230, an inverter 240 and a power utilization device 250 which are disposed in the casing 210 and electrically connected in sequence. The rectifier 220 is electrically connected with the energy harvesting unit 300, and the current generated by the energy harvesting unit 300 is rectified by the rectifier 220, stored in the storage battery 230, and transmitted to each electric device 250 through the inverter 240 for use.
In some embodiments, the housing 210 is a polyhedron in shape, and each face of the housing 210 is provided with the energy harvesting unit 300.
In some embodiments, the housing 210 has a shape of a regular polyhedron. For example, as shown in the regular hexahedron/cube of fig. 1, each surface of the housing 210 is provided with the energy harvesting unit 300, that is, there are six energy harvesting units 300, which is a reasonable and preferred arrangement.
In the above embodiment, the housing 310 has a fixing plate 350 at one end, and the fixing plate 350 is used for connecting with the casing 210, specifically, by screws. The face-to-face connection makes the connection of the energy capturing unit 300 to the enclosure 210 more robust.
In the above embodiments, the float housing 100, the housing 310 and the housing 210 may be made of plastic or other material that does not interact with the magnet.
To sum up, compared with the prior art, the multi-degree-of-freedom wave power generation device suitable for the drifting buoy provided by the utility model at least has the following beneficial effects:
first, the application has set up a little volume energy harvesting unit 300 that can locate in buoy housing 100, through at the surface winding coil 320 of casing 310 and in inside setting up mobilizable magnet active cell 330, magnet active cell 330 takes place relative motion with coil 320 and produces the electromagnetic induction effect under the indirect effect of wave, thereby produce electric current in coil 320, energy storage component 200 by locating in buoy housing 100 equally carries out the rectification storage to the electric current, the realization turns into the wave energy electric energy, in order to solve prior art's wave energy power generation facility not to be applicable to the technical problem of the narrow and small drift buoy of inner space.
Second, this application is through reasonable design, arranges the energy harvesting unit 300 inside buoy housing 100 with the angle of difference, compare in the current wave energy power generation facility of only capturing wave energy in the single degree of freedom dimension, and the scheme of this application more is favorable to realizing capturing the high efficiency of wave energy, can effectively solve the technical problem that the energy harvesting is inefficient.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A multi-degree-of-freedom wave energy power generation device suitable for a drift buoy is characterized by comprising a buoy shell, an energy storage assembly and at least one energy harvesting unit;
the energy storage assembly and the energy harvesting unit are both arranged inside the buoy shell, and the energy storage assembly is electrically connected with the energy harvesting unit;
the energy harvesting unit comprises a shell, a coil and a magnetic rotor;
the coil is wound on the outer surface of the shell, the magnetic rotor is located in the shell and can move in the shell so as to move relative to the coil to generate current in the coil, and the energy storage assembly rectifies and stores the current.
2. The wave energy power generation device with multiple degrees of freedom applicable to the drifting buoy as claimed in claim 1, wherein the housing is elongated, and the coil is wound at the middle of the housing.
3. The multi-degree-of-freedom wave energy power generation device suitable for the drifting buoy as claimed in claim 2, wherein the housing and the magnet rotor are both cylindrical.
4. The multiple degree of freedom wave energy power generation device suitable for the drift buoy of claim 2, wherein buffer layers are arranged at both ends of the interior of the housing.
5. The wave energy power generation device with multiple degrees of freedom applicable to the drifting buoy according to any one of claims 1-4, wherein the energy storage assembly is located in the inner center of the buoy shell, one end of the shell is connected with the energy storage assembly, and the other end of the shell is connected with the inner wall of the buoy shell.
6. The wave energy power generation device with multiple degrees of freedom applicable to the drift buoy as claimed in claim 5, wherein the energy storage assembly comprises a housing, the housing is polyhedral in shape, and each face of the housing is provided with the energy harvesting unit.
7. The multiple degree of freedom wave energy power generation device suitable for the drift buoy of claim 6, wherein the housing is in the shape of a regular polyhedron.
8. The wave energy power generation device with multiple degrees of freedom applicable to the drifting buoy as claimed in claim 7, wherein the shape of the machine shell is a regular hexahedron.
9. The wave energy power generation device with multiple degrees of freedom applicable to the drifting buoy as claimed in claim 6, wherein a fixing plate is arranged at one end of the shell and is used for being connected with the machine shell.
10. The multi-degree-of-freedom wave energy power generation device suitable for the drifting buoy as claimed in claim 6, wherein the energy storage assembly further comprises a rectifier, a storage battery, an inverter and an electric instrument which are arranged in the machine shell and electrically connected in sequence;
the current generated by the energy harvesting unit is rectified by the rectifier, stored in the storage battery and transmitted to the electricity utilization instrument through the inverter.
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Cited By (1)
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CN115450823A (en) * | 2022-10-13 | 2022-12-09 | 中国海洋大学 | Six-freedom-degree energy obtaining point absorption type wave energy utilization device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN115450823A (en) * | 2022-10-13 | 2022-12-09 | 中国海洋大学 | Six-freedom-degree energy obtaining point absorption type wave energy utilization device |
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