CN109286300B - Vortex-induced vibration power generation device with magnetic boundary - Google Patents
Vortex-induced vibration power generation device with magnetic boundary Download PDFInfo
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- CN109286300B CN109286300B CN201811315106.5A CN201811315106A CN109286300B CN 109286300 B CN109286300 B CN 109286300B CN 201811315106 A CN201811315106 A CN 201811315106A CN 109286300 B CN109286300 B CN 109286300B
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- guide rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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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
- F03B13/26—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 tide 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
Abstract
The invention discloses a vortex-induced vibration power generation device with a magnetic boundary, which comprises an upper group of fixed sleeves and a lower group of fixed sleeves which are oppositely arranged, wherein each fixed sleeve comprises two vertical sleeves, each vertical sleeve is a hollow cavity, each vertical sleeve comprises a sealing end and an opening end, the sealing end of each vertical sleeve is provided with a fixed magnetic pole, the inner wall of each vertical sleeve is provided with a coil slot, and a coil winding is arranged in each coil slot; the end part of the linear bearing is fixedly connected with the open end of the vertical sleeve through a flange, and a guide rail is arranged in the linear bearing; the vibration mechanism comprises a vibration rod and a vibration guide rod fixedly connected with the vibration rod; the vibration guide rod consists of an upper guide rod and a lower guide rod, magnetic ring mounting grooves and anti-falling rings are arranged on the upper guide rod and the lower guide rod respectively, magnetic rings are mounted in the magnetic ring mounting grooves, movable magnetic poles are further mounted at the end portions of the upper guide rod and the lower guide rod, and the upper guide rod and the lower guide rod of the vibration guide rod respectively extend into an upper group of fixing sleeves and a lower group of fixing sleeves which are oppositely arranged.
Description
Technical Field
The invention relates to a vortex-induced vibration power generation device with a magnetic boundary, which utilizes ocean current energy to generate vortex-induced vibration power and belongs to the technical field of power generation devices.
Background
As the earth's resources continue to be exploited and consumed, and the energy and resources on land decrease, the human demand for resources has shifted to the ocean. Besides natural resources such as seabed oil and the like, ocean resources also have huge energy. Due to the constant influence of tides and monsoon winds, ocean current energy and tidal energy are among the most readily and consistently available sources of ocean energy.
Vortex-induced vibration is a common vibration phenomenon in nature, and when fluid (air and water) passes through a blunt structure, the blunt structure reciprocates due to lift force change caused by falling of trailing vortices. Vortex-induced vibration is generally a destructive phenomenon, since it absorbs the kinetic energy of the fluid and converts it into energy that destroys structures. But if this vibrational energy could be efficiently converted into electrical energy, its potential energy source would be immeasurable.
Traditional vortex induced vibration power generation facility is connected at the vibrating arm both ends with the spring usually, and this kind of vibration boundary is in long-term vibration process, and the spring reliability is lower, and hardly exempts from in the vibration process to collide with, and the spring anticorrosive coating in case suffer to destroy and can produce quick corrosion under the sea water environment, destroys its performance, and consequently a development that has the vortex induced vibration power generation facility on magnetic boundary is very necessary.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem of providing a vortex-induced vibration power generation device with a magnetic boundary, which can overcome the defects of short service life and poor reliability of the traditional vortex-induced vibration power generation device adopting a spring boundary in the use process.
The power generation device has the advantages of amplifying the amplitude and prolonging the service life of the device, and converts the vibration mechanical energy generated in the seawater into the relative motion between the coil winding and the magnetic coil to generate the electric energy by cutting the magnetic induction wire.
The invention content is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a vortex-induced vibration power generation device with a magnetic boundary comprises an upper group of fixed sleeves and a lower group of fixed sleeves which are oppositely arranged, each fixed sleeve comprises a horizontal connecting rod and two vertical sleeves which are connected through the horizontal connecting rod, each vertical sleeve is a hollow cavity and comprises a sealing end and an opening end, a fixed magnetic pole is arranged in the sealing end of each vertical sleeve, a coil groove is formed in the inner wall of each vertical sleeve, and a coil winding is arranged in each coil groove; the end part of the linear bearing is fixedly connected with the open end of the vertical sleeve through a flange, and a guide rail is arranged in the linear bearing; the vibration mechanism comprises a vibration rod and a vibration guide rod fixedly connected with the vibration rod; the vibration guide rod comprises an upper guide rod and a lower guide rod, magnetic ring mounting grooves and anti-falling rings are arranged on the upper guide rod and the lower guide rod respectively, magnetic rings are mounted in the magnetic ring mounting grooves, movable magnetic poles are further mounted at two ends of the vibration guide rod, and the upper guide rod and the lower guide rod of the vibration guide rod respectively extend into an upper group of fixing sleeves and a lower group of fixing sleeves which are oppositely arranged.
The power generation device also comprises an upper adjusting sleeve, a lower adjusting sleeve and an adjusting guard plate; the upper adjusting sleeve and the lower adjusting sleeve are fixedly sleeved outside the vertical sleeve, the upper adjusting sleeve is provided with an adjusting hole I, the lower adjusting sleeve is provided with an adjusting hole III, and the adjusting guard plate is provided with an adjusting hole II which corresponds to the adjusting hole I and the adjusting hole III respectively.
The power generation device also comprises a base and a rack, wherein the rack comprises support legs and a lower adjusting sleeve fixed on the support legs, and the rack is fixed on the base through the support legs.
The linear bearing is cylindrical, a plurality of grooves are formed in the linear bearing, balls are installed in the grooves, and a Y-shaped sealing ring is arranged at the opening of the linear bearing.
The outer diameter of the anti-falling ring on the vibration guide rod is consistent with the inner diameter of the vertical sleeve and is larger than the inner diameter of the linear bearing; when vibration occurs, the linear bearing is fixedly connected with the fixed sleeve through the flange, and the vibration guide rod cannot deviate from the range of the fixed sleeve due to the existence of the linear bearing.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
firstly, because the vibration frequency of the vortex-induced vibration power generation device is at a stable value for a long time, and the device is in a seawater corrosion environment for a long time, the magnetic boundary has higher reliability and longer service life than the traditional spring boundary;
secondly, most energy of the traditional spring boundary is consumed by the spring in the vibration process, and when the spring vibrates downwards, the spring boundary resists the compression reaction force of the lower end spring and also resists the tension reaction force of the upper end spring; the magnetic boundary is opposite, after the magnetic boundary moves upwards, the magnetic boundary provides a downward acting force to push the vibrating rod to move downwards, so that larger motion amplitude can be generated, and the effect of amplifying vibration energy is achieved;
finally, the vibration distance among the vibrating rods, the magnetic poles and the vibrating guide rods can be replaced according to the actual water area condition, and the environmental adaptability is strong.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is a schematic view of the gantry of the present invention;
FIG. 4 is a schematic view of the retaining sleeve of the present invention;
FIG. 5 is a schematic view of a coil winding of the present invention;
FIG. 6 is a schematic view of the fixed pole cover of the present invention;
FIG. 7 is a schematic view of a linear bearing of the present invention;
FIG. 8 is a schematic view of an adjustment sleeve of the present invention;
FIG. 9 is a schematic view of the conditioning shield of the present invention;
FIG. 10 is a schematic view of a vibratory rod of the present invention;
FIG. 11 is a schematic view of the vibration guide of the present invention;
FIG. 12 is a schematic view of a magnetic coil of the present invention;
FIG. 13 is a schematic view of the movable pole of the present invention;
fig. 14 is a schematic view of the mounting of the vibration rod and the vibration guide rod.
Detailed Description
The technical solution of the present invention is further described with reference to the following specific examples.
As shown in fig. 1 to 14, the vortex-induced vibration power generation device with a magnetic boundary of the present invention includes two sets of fixed sleeves 3 disposed oppositely, each fixed sleeve 3 includes a horizontal connecting rod 32 and two vertical sleeves 31 connected by the horizontal connecting rod 32, each vertical sleeve 31 is a hollow cavity, each vertical sleeve 31 includes a sealed end and an open end, the sealed end of each vertical sleeve 31 is provided with a fixed magnetic pole 35, the open end of each vertical sleeve 31 is provided with a connecting flange 33, a sealed cover 37 is disposed outside the sealed end, the sealed cover 37 is used for sealing the sealed end, a coil groove 34 is disposed on an inner wall of each vertical sleeve 31, and a coil winding 36 is mounted in each coil groove 34; the device also comprises a linear bearing 4, wherein one end part of the linear bearing 4 is provided with a flange 41, the linear bearing 4 is fixedly connected with the open end of the vertical sleeve 31 through the flange (fixedly connected with the connecting flange 33 through the flange 41), the linear bearing 4 is cylindrical, the bottom of the circular sleeve is provided with a flange structure, the inner side of the circular sleeve is in an axial motion form, a guide rail 42 is arranged in the linear bearing 4, a plurality of grooves are also arranged in the linear bearing 4, rolling balls 43 are arranged in the grooves, the other end part (opening part) of the linear bearing 4 is provided with a Y-shaped sealing ring, the linear bearing 4 is used for limiting the longitudinal motion of the vibration guide rod 8 in the fixed sleeve 3 (in the cavity of the vertical sleeve 31), the guide rail 42 is used for limiting the longitudinal motion of the vibration guide rod 8; the device also comprises a vibration mechanism, the vibration mechanism comprises a vibration guide rod 8 and a vibration rod 7 fixedly connected with the vibration guide rod 8, the vibration guide rod 8 comprises a guide rod 82, the guide rod 82 is divided into an upper guide rod and a lower guide rod, magnetic ring mounting grooves 85 and anti-falling rings 84 are respectively arranged on the upper guide rod and the lower guide rod, magnetic rings 86 are mounted in the magnetic ring mounting grooves 85, meanwhile, movable magnetic poles 87 are further mounted at the end parts of the upper guide rod and the lower guide rod, and the upper guide rod and the lower guide rod of the vibration guide rod 8 respectively extend into the upper group of fixing sleeves 3 and the lower group of fixing sleeves 3 which are.
The vortex-induced vibration power generation device with the magnetic boundary further comprises an upper adjusting sleeve 5, a lower adjusting sleeve 22 and an adjusting guard plate 6, wherein the upper adjusting sleeve 5 and the lower adjusting sleeve 22 are fixedly sleeved outside the vertical sleeve 31, the upper adjusting sleeve 5 is provided with an adjusting hole I52, the lower adjusting sleeve 22 is provided with an adjusting hole III23, and the adjusting guard plate 6 is provided with an adjusting hole II62 which corresponds to the adjusting hole I52 and the adjusting hole III23 respectively. The device also comprises a base 1 and a rack 2, wherein the rack 2 comprises 2 groups of 4 support legs 21, the support legs 21 are welded and fixed with the base 1, and the base 1 is used for sinking the bottom to fix the whole device; lower adjusting sleeve 22 is fixed on rack 2, be equipped with regulation hole III23 on the lower adjusting sleeve 22, lower adjusting sleeve 22 is the same with last adjusting sleeve 5, the cover is established outside fixed sleeve 3, with fixed sleeve 3 welded fastening, play the effect of restriction fixed sleeve 3, regulation hole I52 cooperation regulation hole III23 and adjust the regulation hole II62 on the backplate 6, confirm the interval of upper and lower two sets of fixed sleeve 3, the distance between upper and lower two sets of fixed sleeve 3 can be adjusted promptly. The maximum vibration stroke of the vibration rod 7 can be controlled by adjusting the matching distance between the adjusting guard 6 and the upper adjusting sleeve 5. And also as a structure for protecting the vibration rod 7.
The vibration rod 7 is matched with the mounting holes 81 on the vibration guide rod 8 through the fixing holes 72 at the two ends and then fixedly connected with the vibration guide rod 8 through the bolt holes 83 on the vibration guide rod 8 (namely, the fixing holes 72 extend into the mounting holes 81, and bolts penetrate through the bolt holes 83 and the fixing holes 72 to fixedly connect the vibration rod 7 with the vibration guide rod 8). The vibration guide rod 8 comprises a guide rod 82, the guide rod 82 is divided into an upper guide rod and a lower guide rod, and magnetic ring installation grooves 85 and anti-falling rings 84 are formed in the upper guide rod and the lower guide rod respectively; the outer diameter of the anti-slip ring 84 is the same as the inner diameter of the vertical sleeve 31 of the fixed sleeve 3, but is larger than the inner diameter of the guide rail 42 of the linear bearing 4, so that the vibration guide rod 8 cannot slip out of the limit of the linear bearing 4 when moving up and down longitudinally. The magnetic ring mounting groove 85 is provided with a magnetic ring 86, and the end parts of the two ends of the vibration guide rod 8 are mutually matched and connected with a movable magnetic pole 87 through internal and external threads. The outer diameter of the anti-falling ring 84 on the vibration guide rod 8 is consistent with the inner diameter of the vertical sleeve 31 and is larger than the inner diameter of the linear bearing 4; when vibration occurs, the linear bearing 4 is fixedly connected with the fixed sleeve 3 through a flange, and the vibration guide rod 8 cannot fall out of the range of the fixed sleeve 3 due to the existence of the linear bearing 4.
The power generation device is placed in a corresponding water area, when water flows, the vibrating rod 7 can vibrate up and down due to vortex-induced vibration, so that the vibrating guide rod 8 fixedly connected with the vibrating rod is driven to vibrate up and down, and the vibrating guide rod 8 drives the magnetic ring 86 to reciprocate in the cavity of the vertical sleeve 31 of the fixed sleeve 3. A large number of coil windings 36 are installed in the coil slots 34 of the fixed sleeve 3, and when the magnetic coil 86 reciprocates with the coil windings 36, an electric current is generated. Namely, when the vibrating rod 7 drives the vibrating guide rod 8 to move, relative movement is generated between the vibrating rod and the fixed sleeve 3, and the vibrating mechanical energy is converted into electric energy in a power generation mode of relative movement of the array of magnetic coils 86 and the coil windings 36.
When the vibration guide rod 8 moves upwards to the top of the vertical sleeve 31, the fixed magnetic pole 35 is installed in the cabin at the position, the fixed magnetic pole 35 and the movable magnetic pole 87 have the same magnetic pole, and the repulsive force of the two magnets is gradually increased along with the reduction of the distance, so that the vibration guide rod 8 is pushed to move downwards. When the oscillating guide 8 moves downwards, the same is true. This is because the movable magnetic pole 87 and the fixed magnetic pole 35 are arranged in the same polarity and opposite to each other, when the movable magnetic pole 87 moves to the bottom of the fixed sleeve 3 along with the vibration guide 8, the repulsive force of the fixed magnetic pole 35 and the movable magnetic pole 87 provides an opposite acting force, and when the movable magnetic pole 87 at the other end moves to the bottom of the opposite fixed sleeve 3, the repulsive force also receives an opposite acting force. The oscillating guide bar 8 is continuously and stably reciprocated by the movable magnetic poles 87 at both ends and by the eddy-induced force generated by the ocean current.
The power generation device is arranged at the bottom of the sea or river channel, and the installation direction of the power generation device is ensured to be vertical to the incoming flow direction along the axial direction of the vibration guide rod. The rack 2 and the base 1 should be made of seawater corrosion resistant materials or have corrosion resistant surface treatment. When the water flow of the application water area is changed, the distance between the upper and lower groups of fixed sleeves 3 can be adjusted according to the actual average flow velocity, so that the amplitude of the vibrating rod 7 is ensured to be constantly smaller than the distance between the fixed sleeves 3, and the vibrating rod 7 is prevented from impacting the fixed sleeves 3 in the using process. The magnetic ring 86 and the movable magnetic pole 87 are both permanent magnets, and are mounted on the vibration guide rod 8 to reciprocate in the fixed sleeve 3 along with the vibration rod 7 and the vibration guide rod 8. The fixed pole 35 is also a permanent magnet. After the power generation device is installed in a relevant water area, the vibrating rod 7 can move along the direction of the fixed sleeve 3 under the action of water flow, the movement forces the vibrating rod 7 to drive the vibrating guide rod 8 to reciprocate in the fixed sleeve 3, and further drives the magnetic coil 86 and the coil winding 36 to generate relative movement, wherein the number of the coil winding 36 is multiple of that of the magnetic coil 86, so that when the vibrating guide rod 8 drives the magnetic coil 86 to vibrate up and down relative to the coil winding 36, magnetic induction lines can be continuously cut, and current generated by the movement of the cut magnetic induction lines generated by the relative movement is concentrated and stored through a circuit.
In the invention, the outer diameter and the weight of the vibrating rod can be determined according to the average flow velocity of an actual water area, the boundary damping of the vibration can be changed by replacing the magnetic fluxes of the fixed magnetic pole and the movable magnetic pole, the size and the installation distance of the movable magnetic pole can be changed according to the maximum amplitude of the vibrating rod, and the distance between the fixed sleeves can be adjusted according to the maximum amplitude of the vibrating rod, so that a sufficient vibration space of the vibrating rod is provided.
The device has the characteristics of convenience in installation, strong adaptability, high reliability, long service life and the like, is clean and pollution-free, can be arranged in a clustered mode in relevant water areas, and can uniformly process and store the currents generated by a plurality of devices.
Claims (4)
1. A vortex-induced vibration power generation device having a magnetic boundary, characterized in that: the magnetic field generator comprises an upper group of fixed sleeves and a lower group of fixed sleeves which are oppositely arranged, wherein each fixed sleeve comprises a horizontal connecting rod and two vertical sleeves which are connected through the horizontal connecting rod, each vertical sleeve is a hollow cavity and comprises a sealing end and an opening end, a fixed magnetic pole is arranged in the sealing end of each vertical sleeve, a coil slot is formed in the inner wall of each vertical sleeve, and a coil winding is arranged in each coil slot; the end part of the linear bearing is fixedly connected with the open end of the vertical sleeve through a flange, and a guide rail is arranged in the linear bearing; the vibration mechanism comprises a vibration rod and a vibration guide rod fixedly connected with the vibration rod; the vibration guide rod comprises an upper guide rod and a lower guide rod, wherein magnetic ring mounting grooves and anti-falling rings are respectively arranged on the upper guide rod and the lower guide rod, magnetic rings are mounted in the magnetic ring mounting grooves, movable magnetic poles are further mounted at two ends of the vibration guide rod, and the upper guide rod and the lower guide rod of the vibration guide rod respectively extend into an upper group of fixing sleeves and a lower group of fixing sleeves which are oppositely arranged; the device also comprises an upper adjusting sleeve, a lower adjusting sleeve and an adjusting guard plate; the upper adjusting sleeve and the lower adjusting sleeve are fixedly sleeved outside the vertical sleeve, the upper adjusting sleeve is provided with an adjusting hole I, the lower adjusting sleeve is provided with an adjusting hole III, and the adjusting guard plate is provided with an adjusting hole II which corresponds to the adjusting hole I and the adjusting hole III respectively.
2. The vortex induced vibration power generation device having a magnetic boundary according to claim 1, characterized in that: the rack comprises support legs and a lower adjusting sleeve fixed on the support legs, and the rack is fixed on the base through the support legs.
3. The vortex induced vibration power generation device having a magnetic boundary according to claim 1, characterized in that: the linear bearing is cylindrical, a plurality of grooves are formed in the linear bearing, balls are installed in the grooves, and a Y-shaped sealing ring is arranged at an opening of the linear bearing.
4. The vortex induced vibration power generation device having a magnetic boundary according to claim 1, characterized in that: the outer diameter of the anti-falling ring on the vibration guide rod is consistent with the inner diameter of the vertical sleeve, and the outer diameter of the anti-falling ring and the inner diameter of the vertical sleeve are both larger than the inner diameter of the linear bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315106.5A CN109286300B (en) | 2018-11-06 | 2018-11-06 | Vortex-induced vibration power generation device with magnetic boundary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315106.5A CN109286300B (en) | 2018-11-06 | 2018-11-06 | Vortex-induced vibration power generation device with magnetic boundary |
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| Publication Number | Publication Date |
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| CN109286300A CN109286300A (en) | 2019-01-29 |
| CN109286300B true CN109286300B (en) | 2020-08-25 |
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| CN203039549U (en) * | 2013-02-06 | 2013-07-03 | 浙江海洋学院 | A magnetic damper power generating device of an electric vehicle |
| CN105846644B (en) * | 2016-06-07 | 2018-01-09 | 西北工业大学 | Permanent magnet suspension wing panel aeroelastic vibration TRT |
| CN106877572B (en) * | 2017-04-13 | 2018-10-23 | 江苏科技大学 | A kind of tension membrane type wave energy generating set |
| CN107215443A (en) * | 2017-06-23 | 2017-09-29 | 南京康派电子有限公司 | A kind of satellite fix deliverance apparatus peculiar to vessel |
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Effective date of registration: 20221031 Address after: No. 18 Jiefang Road, Jingkou District, Zhenjiang City, Jiangsu Province 212050 Patentee after: Zhenjiang Hanhai Technology Co.,Ltd. Address before: Meng Xi Road 212003 Zhenjiang city of Jiangsu province Jingkou District No. 2 Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY |
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