CN113586325B - Deep sea vortex-induced vibration power generation device - Google Patents
Deep sea vortex-induced vibration power generation device Download PDFInfo
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- CN113586325B CN113586325B CN202110924186.XA CN202110924186A CN113586325B CN 113586325 B CN113586325 B CN 113586325B CN 202110924186 A CN202110924186 A CN 202110924186A CN 113586325 B CN113586325 B CN 113586325B
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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
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
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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
- F03B17/00—Other machines or engines
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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
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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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
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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)
- Power Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a deep sea vortex-induced vibration power generation device, which relates to the technical field of deep sea vibration power generation devices and comprises the following components: the vortex-induced vibration kinetic energy capturing module comprises a blunt body, a connector, a first spiral pressure spring, a second spiral pressure spring and a shell, wherein the connector is sleeved on the shell; the vibration power generation module comprises a first permanent magnet column body, a second permanent magnet column body, a coil, an iron core and an energy storage circuit, wherein the first permanent magnet column body and the second permanent magnet column body are sleeved on the shell, the iron core is arranged in the shell, the coil is wound on the iron core, and the coil is connected with the energy storage circuit; the support module comprises an upper end connecting plate and a lower end connecting plate. The invention can be used for deep sea low flow vortex-induced vibration power generation, and is suitable for the method and the device for low flow power generation under any ocean depth, and has the advantages of regeneration, cleaning, energy taking at any time and any place and the like.
Description
Technical Field
The invention relates to the technical field of deep sea vibration power generation devices, in particular to a deep sea vortex-induced vibration power generation device.
Background
With the development of sensors, microelectronics and computer science, deep sea exploration, research and development have become the hot spot field of competition in the 21 st century countries, underwater unmanned aerial vehicles performing various tasks in seawater, portable robots with intelligent sensors and the like, and self-powered deep sea exploration has been a pursued goal.
In order to rapidly and accurately detect the deep sea ocean upper layer (sea level 2-3KM water depth) in a large azimuth, a self-powered deep sea detection device is expected to be placed in the ocean in every 4 dimensions, a huge detection network is formed by thousands of detection devices, and self-powered is a core problem to be solved by the detection network. However, the greater the depth, the more complex the marine environment, the better the hidden environment can be provided for deep sea weapons, and the sudden nature of the attack is increased, so how to reach deeper sea areas and extend the working time in deep sea has been the focus and difficulty of deep sea application research in various countries. The vortex-induced vibration kinetic energy power generation utilizes low-flow-rate water flow to obtain vibration energy, has the advantages of reproducibility, cleanliness, small output fluctuation, energy obtaining at any time and any place and the like, is matched with a self-energy-supply deep sea detection device, and can be used for multi-azimuth multi-angle detection and energy storage in deep sea.
Disclosure of Invention
The invention aims to provide a deep sea vortex-induced vibration power generation device, which solves the problems in the prior art, can be used for deep sea low-flow-rate vortex-induced vibration power generation, is suitable for a method and a device for low-flow-rate power generation at any depth of sea, and has the advantages of reproducibility, cleanliness, energy taking at any time and any place and the like.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a deep sea vortex-induced vibration power generation device, which comprises:
the vortex-induced vibration kinetic energy capturing module comprises a blunt body, a connector, a first spiral pressure spring, a second spiral pressure spring and a shell, wherein the connector is sleeved on the shell, the blunt body is arranged on the connector, and the first spiral pressure spring and the second spiral pressure spring are respectively arranged on the upper side and the lower side of the connector and are sleeved on the shell;
the vibration power generation module comprises a first permanent magnet column body, a second permanent magnet column body, a coil, an iron core and an energy storage circuit, wherein the first permanent magnet column body and the second permanent magnet column body are sleeved on the shell, and the first permanent magnet column body and the second permanent magnet column body are respectively connected between the upper side of the connector and the first spiral pressure spring and between the lower side of the connector and the second spiral pressure spring; the iron core is arranged in the shell, the coil is wound on the iron core, and the coil is connected with the energy storage circuit;
the support module is used for supporting the vortex-induced vibration energy capturing module and the vibration power generation module, the support module comprises an upper end connecting plate and a lower end connecting plate, and the upper end and the lower end of the shell are respectively connected with the upper end connecting plate and the lower end connecting plate.
Preferably, the support module further comprises a direction fixing frame, and the direction fixing frame is installed between the upper end connecting plate and the blunt body; the two direction fixing frames are symmetrically arranged on two sides of the shell.
Preferably, a three-dimensional flow velocity meter is arranged on the upper end connecting plate.
Preferably, the direction fixing frame is connected with a servo motor, and the servo motor can control the direction of the direction fixing frame.
Preferably, the shell is made of nonferromagnetic and nonmetallic high-pressure-resistant epoxy resin materials, and the upper end and the lower end of the shell are respectively connected with the upper end connecting plate and the lower end connecting plate in a sealing mode.
Preferably, the first permanent magnet column body and the second permanent magnet column body are made of neodymium iron boron materials, and the iron core is a cylindrical steel column.
Preferably, the upper end connecting plate and the lower end connecting plate are respectively provided with an upper end internal threaded hole and a lower end internal threaded hole, and the upper end connecting plate and the lower end connecting plate are used together or independently.
Preferably, the bottom end of the first spiral pressure spring is connected with the first permanent magnet column, and the top end of the first spiral pressure spring is connected with the upper connecting plate; the top end of the second spiral pressure spring is connected with the second permanent magnet column body, and the bottom end of the second spiral pressure spring is connected with the lower end connecting plate.
Preferably, permanent magnet rings are installed at the position of the upper end connecting plate, which is close to the first spiral pressure spring, and the position of the lower end connecting plate, which is close to the second spiral pressure spring, and the magnetic poles of the permanent magnet rings on the upper end connecting plate and the lower end connecting plate are opposite.
Preferably, the connector is a friction connector.
Compared with the prior art, the invention has the following beneficial technical effects:
the deep sea vortex-induced vibration power generation device provided by the invention is not influenced by deep sea pressure and seawater corrosion on a circuit, and the system portability is high, so that the device can be applied to occasions with low deep sea flow rate and any water depth of any water flow, and the function of a sea sensor is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a deep sea vortex-induced vibration power generation device;
FIG. 2 is an inner cross-sectional view of the housing of the present invention;
in the figure: 1-an upper connecting plate, 2-a direction fixing frame, 3-a first spiral pressure spring, 4-a first permanent magnet column, 5-a blunt body, 6-a friction connector, 7-a second permanent magnet column, the device comprises an 8-lower end connecting plate, a 9-second spiral pressure spring, a 10-lower end internal threaded hole, an 11-upper end internal threaded hole, a 12-energy storage circuit, a 13-coil, a 14-iron core and a 15-shell.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
The invention aims to provide a deep sea vortex-induced vibration power generation device, which solves the problems existing in the prior art, can be used for deep sea low-flow-rate vortex-induced vibration power generation, is suitable for a method and a device for low-flow-rate power generation at any depth of sea, and has the advantages of reproducibility, cleanliness, energy taking at any time and any place and the like.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-2, in this embodiment, a deep sea vortex-induced vibration power generation device is provided, which mainly includes: the device comprises a vortex-induced vibration kinetic energy capturing module, a vibration power generation module and a supporting module;
as shown in fig. 1, the vortex-induced kinetic energy capturing module is connected with an upper end connecting plate 1 and a lower end connecting plate 8 of the supporting module; the vibration power generation module and the vortex-induced vibration energy capturing module are directly coupled through a permanent magnet column body vibrating together with the blunt body 5.
In this embodiment, the vortex-induced kinetic energy capturing module includes a blunt body 5, a friction connector 6, a first helical compression spring 3, a second helical compression spring 9 and a housing 15, and the vortex-induced kinetic energy capturing module is aimed at obtaining vibrations at different flow rates. The first spiral pressure spring 3, the first permanent magnet column 4, the friction connector 6, the second permanent magnet column 7 and the second spiral pressure spring 9 are coaxially sleeved on the shell 15, and the elastic coefficient of the spiral pressure spring is adjusted by combining the total mass and the total buoyancy of the deep sea vortex-induced vibration power generation device, so that the blunt body 5 is kept to move up and down in a high amplitude within a certain flow velocity range, and the blunt body 5 moves up and down and drives the first permanent magnet column 4, the second permanent magnet column 7 and the blunt body 5 to reciprocate up and down under the same amplitude, thereby realizing conversion from mechanical energy to electric energy.
In this embodiment, the vibration power generation module includes a first permanent magnet cylinder 4, a second permanent magnet cylinder 7, a coil 13, an iron core 14, and an energy storage circuit 12, in order to convert mechanical energy into electrical energy while collecting the electrical energy. As shown in fig. 2, the inside of the housing 15 is a sealed accommodating cavity, and in order to ensure low loss of electric energy, the housing is made of nonferromagnetic, nonmetallic, high-pressure-resistant epoxy resin material, and the thinner the thickness of the housing is, the better the pressure-resistant condition is. The coil 13 is wound on the iron core 14, the iron core 14 is coaxial with the housing 15, and the iron core 14 is fixed by the support module. When the first permanent magnet cylinder 4 and the second permanent magnet cylinder 7 also reciprocate up and down during the up and down movement of the blunt body 5, the coil 13 in the housing 15 cuts the magnetic lines of force to generate induced electromotive force. The first permanent magnet column 4 and the second permanent magnet column 7 are made of neodymium iron boron materials, and the iron core 14 is a cylindrical steel column. The induced electromotive force generated by the coil 13 is connected to the energy storage circuit 12 through a wire to store energy, the stored electric energy can be directly used as a deep sea sensor in a wireless or wired mode, the shell 15 and the supporting module can be sealed, the vibration power generation module is guaranteed to be influenced by seawater, and corrosion is caused or the power generation efficiency is reduced.
In this embodiment, the support module includes an upper end connection plate 1, a direction fixing frame 2, a lower end connection plate 8, and an upper end internal threaded hole 11 and a lower end internal threaded hole 10 respectively located on the upper end connection plate 1 and the lower end connection plate 8, so as to provide support for the vortex-induced vibration power generation device. The upper end connecting plate 1 and the lower end connecting plate 8 are matched with an upper end internal threaded hole 11 and a lower end internal threaded hole 10 to realize connection with a deep sea platform. The upper connecting plate 1 and the lower connecting plate 8 are not required to be used in pairs, one end of the upper connecting plate is connected according to the requirement, and when the upper connecting plate 1 is considered to be used on the sea, the upper connecting plate can be directly fixed with a float-type ocean platform in the sea, so that the vortex-induced kinetic energy power generation in the shallow sea is realized.
In this embodiment, in order to achieve capturing of the maximum amplitude kinetic energy of the blunt body 5, the direction fixing frame 2 may control its direction by using a servo motor, that is, a three-dimensional flow velocity meter may be installed on the upper end connection plate 1 to obtain the three-dimensional flow velocity of the ocean current energy in real time, and the direction fixing frame 3 is connected with the upper end connection plate 1 and the blunt body 5, so as to ensure that the blunt body 5 is not affected by the flow velocity under the action of the ocean current flow velocity, so that the direction fixing frame 2 and the blunt body 5 may be adjusted according to the flow velocity direction, ensuring the perpendicularity between the blunt body 5 and the flow velocity, and achieving output of vortex-induced kinetic energy with maximum efficiency.
In this embodiment, the purpose of the first helical compression spring 3 and the second helical compression spring 9 is to ensure the maximum amplitude reciprocating motion of the blunt body, and two magnetic rings with opposite magnetic poles can be fixed on the upper end connecting plate 1 and the lower end connecting plate 8 far from the first permanent magnet column 4 and the second permanent magnet column 7 in deep sea, so as to realize the auxiliary adjustment effect of the first helical compression spring 3 and the second helical compression spring 9.
The deep sea vortex-induced vibration power generation device in the embodiment has obvious advantages in three aspects:
firstly, the deep sea vortex-induced vibration power generation device is completely sealed through the shell, the power generation efficiency is not affected by the conductivity of the seawater, and meanwhile, the power generation device is prevented from being corroded by the seawater.
Secondly, the blunt body structure is adjustable, and the blunt body structure can be applied to deep sea vortex-induced vibration power generation and can also be used for capturing and generating the vortex-induced kinetic energy of other shallow sea or river shallow layers.
Thirdly, the mode that the spiral pressure spring and magnetic force combine together adjusts the blunt body and to the capture effect of vortex-induced vibration, helps the biggest capture of blunt body vortex-induced vibration, and the capture of blunt body biggest amplitude has also been guaranteed in the self-adaptation regulation of direction mount simultaneously, and whole power generation facility does not rely on the platform, can a plurality of devices electricity generation in parallel also can the independent work for the sensor energy supply.
The principles and embodiments of the present invention have been described with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the invention.
Claims (6)
1. A deep sea vortex-induced vibration power generation device, comprising:
the vortex-induced vibration kinetic energy capturing module comprises a blunt body, a connector, a first spiral pressure spring, a second spiral pressure spring and a shell, wherein the connector is sleeved on the shell, the blunt body is arranged on the connector, and the first spiral pressure spring and the second spiral pressure spring are respectively arranged on the upper side and the lower side of the connector and are sleeved on the shell;
the vibration power generation module comprises a first permanent magnet column body, a second permanent magnet column body, a coil, an iron core and an energy storage circuit, wherein the first permanent magnet column body and the second permanent magnet column body are sleeved on the shell, and the first permanent magnet column body and the second permanent magnet column body are respectively connected between the upper side of the connector and the first spiral pressure spring and between the lower side of the connector and the second spiral pressure spring; the iron core is arranged in the shell, the coil is wound on the iron core, and the coil is connected with the energy storage circuit;
the support module is used for supporting the vortex-induced vibration energy capturing module and the vibration power generation module, and comprises an upper end connecting plate and a lower end connecting plate, and the upper end and the lower end of the shell are respectively connected with the upper end connecting plate and the lower end connecting plate;
the support module further comprises a direction fixing frame, and the direction fixing frame is arranged between the upper end connecting plate and the blunt body; the two direction fixing frames are symmetrically arranged on two sides of the shell, and the three-dimensional flow velocity meter is arranged on the upper connecting plate; the direction fixing frame is connected with a servo motor, and the servo motor can control the direction of the direction fixing frame.
2. The deep sea vortex-induced vibration power generation device of claim 1, wherein: the shell is made of nonferromagnetic and nonmetallic high-pressure-resistant epoxy resin materials, and the upper end and the lower end of the shell are respectively connected with the upper end connecting plate and the lower end connecting plate in a sealing mode.
3. The deep sea vortex-induced vibration power generation device of claim 1, wherein: the first permanent magnet column body and the second permanent magnet column body are made of neodymium iron boron materials, and the iron core is a cylindrical steel column.
4. The deep sea vortex-induced vibration power generation device of claim 1, wherein: the upper end connecting plate and the lower end connecting plate are respectively provided with an upper end internal threaded hole and a lower end internal threaded hole, and are used together or independently.
5. The deep sea vortex-induced vibration power generation device of claim 1, wherein: the bottom end of the first spiral pressure spring is connected with the first permanent magnet column, and the top end of the first spiral pressure spring is connected with the upper end connecting plate; the top end of the second spiral pressure spring is connected with the second permanent magnet column body, and the bottom end of the second spiral pressure spring is connected with the lower end connecting plate.
6. The deep sea vortex-induced vibration power generation device of claim 5, wherein: permanent magnet rings are arranged at the positions of the upper end connecting plate, which are close to the first spiral pressure spring, and the positions of the lower end connecting plate, which are close to the second spiral pressure spring, and the magnetic poles of the permanent magnet rings on the upper end connecting plate and the lower end connecting plate are opposite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110924186.XA CN113586325B (en) | 2021-08-12 | 2021-08-12 | Deep sea vortex-induced vibration power generation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110924186.XA CN113586325B (en) | 2021-08-12 | 2021-08-12 | Deep sea vortex-induced vibration power generation device |
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| CN113586325A CN113586325A (en) | 2021-11-02 |
| CN113586325B true CN113586325B (en) | 2023-05-23 |
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| CN116517754B (en) * | 2023-05-25 | 2024-01-30 | 北京工业大学 | Wide-flow-rate multi-flow-direction bidirectional vortex-induced vibration energy harvesting device and method |
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| US7493759B2 (en) * | 2004-11-15 | 2009-02-24 | The Regents Of The University Of Michigan | Fluid motion energy converter |
| WO2015176059A1 (en) * | 2014-05-16 | 2015-11-19 | Renerge, Inc. | Fluid flow induced oscillating energy harvester maximizing power output through off-center mounted toggling bluff body and/or suspension stiffening mechanism |
| CN104696149A (en) * | 2015-01-04 | 2015-06-10 | 河海大学 | Multi-state stable wave power generation device |
| CN106837666A (en) * | 2017-01-12 | 2017-06-13 | 安徽工程大学 | A kind of water flow vibration electricity energy harvester based on Karman vortex street |
| CN106762369B (en) * | 2017-02-28 | 2020-03-06 | 上海交通大学 | Vortex-induced vibration power generation device |
| US20190085815A1 (en) * | 2017-09-16 | 2019-03-21 | Antonio jacob Barton | The Barton float generator |
| CN108923614A (en) * | 2018-08-23 | 2018-11-30 | 滨州学院 | A kind of energy gathering apparatus and method |
| CN109378934B (en) * | 2018-11-06 | 2020-08-25 | 江苏科技大学 | Magnetic boundary vortex-induced vibration power generation device capable of converting along with amplitude |
| CN112821708B (en) * | 2021-02-05 | 2024-05-14 | 南京领通汇智科技有限公司 | Bistable electromagnetic-piezoelectric mixed vibration energy collector and self-powered sensing system |
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