CN108869163A - A kind of Karman vortex street generator - Google Patents
A kind of Karman vortex street generator Download PDFInfo
- Publication number
- CN108869163A CN108869163A CN201810660650.7A CN201810660650A CN108869163A CN 108869163 A CN108869163 A CN 108869163A CN 201810660650 A CN201810660650 A CN 201810660650A CN 108869163 A CN108869163 A CN 108869163A
- Authority
- CN
- China
- Prior art keywords
- vortex street
- coil
- crank
- energy
- vibrating body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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"
-
- 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
Abstract
The invention belongs to hydroelectric fields, and in particular to a kind of device to be generated electricity using Karman vortex street.The present invention is made of bluff body, guide rail, vibrating body, connecting rod, coil, conducting bracket, permanent magnet, metallic rod, crank, conducting wire, vibrating body constitutes slider-crank mechanism by connecting rod and crank and coil, forms of motion conversion may be implemented and achieve the effect that utilize vortex street energy using vortex street energy and electromagnetic induction principle, the circular motion for being changed into cutting magnetic induction line will be moved back and forth, is generated electricity to realize using Karman vortex street.This patent, which develops, a kind of converts kinetic energy into the device that mechanical energy is then converted to electric energy using Karman vortex street, it is installed in and flows to more stable waters, either in the end water flow of mobile carriers such as ship, the energy in vortex street can be efficiently used, has structure simple, installing and dismounting is simple, is easy to the features such as repairing, additional supplementary energy is not needed, extremely clean, it is highly beneficial for mechanical long-time service, there is preferable application prospect.
Description
Technical field
The invention belongs to hydroelectric fields, and in particular to a kind of device to be generated electricity using Karman vortex street.
Background technique
When fluid bypasses non-streamline object, the pairs of of generation, alternately arranged, rotation side at left and right sides of object wake flow
To the Karman vortex street of opposite antisymmetry vortex meaning.Karman vortex street is that one kind that viscous incompressible fluid dynamics are studied is existing
As.Fluid winding flow chimney stalk, skyscraper, electric wire, oil-piping and heat exchanger tube bank when can all generate Karman vortex street.Occur
When vortex street, fluid can generate the alternation horizontal force of a cycle to object.If the frequency of power and the intrinsic frequency of object
Rate is close, and will cause to resonate, or even make physical damage.This vortex street once made the periscope of submarine lose observation ability,
Strait Bridge is damaged, and vibration and rupture occur for the tube case of air preheater of boiler.But utilize this week of Karman vortex street
Phase, alternately variation property, can be made into Karman vortex street flowmeter, and the speed of fluid is determined by the shedding frequence of measurement vortex
Degree or flow.When vortex generating body is perpendicularly inserted into fluid, fluid will form Karman vortex street when bypassing generating body.
Fluid is into when crossing flow-disturbing object, and when permanent incoming flow under certain condition bypasses certain objects, object two sides can week
Falling off to phase property, direction of rotation is opposite out and is arranged in well-regulated biserial line vortex.When beginning, this two alignments whirlpool is kept certainly respectively
The movement of body is advanced, and then they are interfered with each other, and is attracted each other, and interferes increasing, the nonlinear so-called vortex street of formation.
Karman vortex street is a kind of phenomenon that viscous incompressible fluid dynamics are studied.Fluid winding flow chimney stalk, skyscraper, electricity
Karman vortex street can be all generated when the tube bank of line, oil-piping and heat exchanger.This patent develop it is a kind of using Karman vortex street by kinetic energy
It is converted into the device that mechanical energy is then converted to electric energy, its advantage is that structure is simple, additional supplementary energy is not needed, extremely cleans,
It is highly beneficial for mechanical long-time service.
Summary of the invention
The purpose of the present invention is to provide a kind of power generator using Karman vortex street.
The object of the present invention is achieved like this：
Karman vortex street generator, including bluff body 1, guide rail 2, vibrating body 3, connecting rod 4, coil 5, conducting bracket 6, permanent magnetism
Iron 7, crank 9, conducting wire 10, it is characterised in that：Bluff body 1 is perpendicularly fixed at the front of guide rail 2, the ring-type among vibrating body 3
For structure vertical string at 2 middle part of guide rail, connecting rod 4 is fixed on 3 middle part of vibrating body, and crank 9 is connected with 4 one end of connecting rod, nine metallic rods
Wherein one end be all fixed on the other end of crank 9, the periphery of nine metallic rod other ends is connected with coil 5, in nine gold
U-shaped permanent magnet 7 is placed in the side for belonging to bar, and the U-shaped opening direction of permanent magnet 7 is located at 5 place plane of coil, and coil 5 and nine
A part of metallic rod is located in the semi-surrounding of permanent magnet 7, and coil 5 is in contact with conducting bracket 6, conducting bracket 6 and conducting wire 10
Connect, has a set of and identical symmetrical mounting of apparatus described above in the other side centered on vibrating body 3.Conducting bracket
6 ends are attached to brush, achieve the purpose that conducting bracket 6 keeps being in contact with coil 5 not with coil 5.Vibrating body 3 passes through connecting rod
4 constitute slider-crank mechanism with crank 9 and coil 5.
The beneficial effects of the present invention are：Invention applies slider-crank mechanisms, and forms of motion conversion and benefit may be implemented
Achieved the effect that the circle for being changed into cutting magnetic induction line will be moved back and forth using vortex street energy with vortex street energy and electromagnetic induction principle
Zhou Yundong is generated electricity to realize using Karman vortex street.The present invention is mounted on and flows to the shifting such as more stable waters or ship
In the end water flow of dynamic load tool, the energy in vortex street can be efficiently used.The present invention converts kinetic energy into machinery using Karman vortex street
It can be then converted to the device of electric energy, additional supplementary energy is not needed, extremely clean, it is highly beneficial for mechanical long-time service.
The present invention has the characteristics that structure is simple, installing and dismounting is simple, is easy to repair, and has preferable application prospect.
Detailed description of the invention
Fig. 1 is the axonometric drawing of Karman vortex street generator.
Fig. 2 is the top view of Karman vortex street generator.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
A kind of Karman vortex street generator.It is mainly by by vortex shedder, that is, bluff body 1, guide rail 2, vibrating body 3, connecting rod
4, conducting bracket 6, permanent magnet 7, metallic rod 8, crank 9, the conducting wire 10 that coil 5, end are attached to brush are constituted.It is installed in stream
Into the end water flow of the mobile carriers such as more stable waters or ship, the energy in vortex street can be efficiently used, to having
Good actual application prospect.
It is installed in quarter, or is fixed on and flows to more stable waters, water flow passes through bluff body 1, generates toll bar
Vortex street generates the alternation active force of lateral periodicity to vibrating body 3 thereafter, so as to cause vibrating body 3 under the limitation of guide rail 2
Lateral cycle movement is done, and vibrating body 3 constitutes slider-crank mechanism by connecting rod 4 and crank 9 and coil 5, thus will not
The irregular compound movement of rule is transformed into the rotation circular motion of coil 5.And coil 5 and metallic rod 8 thereon are in permanent magnetism
In the magnetic field of iron, cutting magnetic induction line is converted the kinetic energy into electrical energy.#
Applying slider-crank mechanism can be converted with forms of motion and reach benefit using vortex street energy and electromagnetic induction principle
With the effect of vortex street energy.The circular motion for being changed into cutting magnetic induction line will be moved back and forth using slider-crank mechanism, thus real
Now generated electricity using Karman vortex street.
Karman vortex street generator of the invention is by vortex shedder, that is, bluff body 1, guide rail 2, vibrating body 3, connecting rod 4, line
Conducting bracket 6, permanent magnet 7, metallic rod 8, crank 9, the conducting wire 10 that circle 5, end are attached to brush are constituted.This power generator passes through water
Stream passes through bluff body 1, generates Karman vortex street, and the alternation active force of lateral periodicity is generated to vibrating body 3 thereafter, so as to cause
Vibrating body 3 does lateral cycle movement under the limitation of guide rail 2, and vibrating body 3 is made up of connecting rod 4 and crank 9 and coil 5
Slider-crank mechanism, so that irregular irregular compound movement to be transformed into the rotation circular motion of coil 5.And coil 5 and
Metallic rod 8 thereon is in the magnetic field of permanent magnet, and cutting magnetic induction line converts the kinetic energy into electrical energy.
According to the principle that Fig. 1 and Fig. 2, this Karman vortex street generator are：
Karman vortex street generator, by vortex shedder, that is, bluff body 1, guide rail 2, vibrating body 3, connecting rod 4, coil 5, conduction
Bracket 6, permanent magnet 7, metallic rod 8, crank 9, conducting wire 10, it is characterised in that：Bluff body 1 is perpendicularly fixed at the front of guide rail 2,
Cyclic structure among vibrating body 3 is vertically gone here and there at 2 middle part of guide rail, and connecting rod 4 is fixed on 3 middle part of vibrating body, and crank 9 and connecting rod 4 are another
One end is connected, and wherein one end of nine metallic rods 8 is all connected with the other end of crank 9, and nine metallic rods 8 and 9 phase of crank
Even this one end be it is fixed, the periphery of nine 8 other ends of metallic rod is connected with coil 5, and coil 5 is with nine metallic rods 8
The point being connected with crank 9 is center of circle rotation, places U-shaped permanent magnet 7, the U-shaped opening of permanent magnet 7 in the side of nine metallic rods 8
Direction is located at 5 place plane of coil, and a part of coil 5 and nine metallic rods 8 is located in the semi-surrounding of permanent magnet 7, coil 5
It is in contact with conducting bracket 6, conducting bracket 6 connects with conducting wire 10, has in the other side centered on vibrating body 3 a set of with more than
The identical symmetrical mounting of described device.6 end of conducting bracket is attached to brush, reaches conducting bracket 6 and does not keep with coil 5
The purpose being in contact with coil 5.
Vibrating body 3 constitutes slider-crank mechanism by connecting rod 4 and crank 9 and coil 5, and applying slider-crank mechanism can be with
Forms of motion is converted and is achieved the effect that using vortex street energy and electromagnetic induction principle using vortex street energy, using crank block machine
Structure is changed into the circular motion of cutting magnetic induction line by moving back and forth, and is generated electricity to realize using Karman vortex street.
This power generator passes through bluff body 1 by water flow, generates Karman vortex street, generates lateral week to vibrating body 3 thereafter
The alternation active force of phase property does lateral cycle movement so as to cause vibrating body 3 under the limitation of guide rail 2, and vibrating body 3 is logical
It crosses connecting rod 4 and crank 9 and coil 5 constitutes slider-crank mechanism, so that irregular irregular compound movement is transformed into coil 5
Rotation circular motion.And coil 5 and metallic rod 8 thereon are in the magnetic field of permanent magnet, cutting magnetic induction line converts kinetic energy
For electric energy.
This propeller has the characteristics that structure is simple, installing and dismounting is simple, is easy to repair, and has preferable application prospect.
Claims (3)
1. a kind of Karman vortex street generator, including bluff body (1), guide rail (2), vibrating body (3), connecting rod (4), coil (5), lead
Electric bracket (6), permanent magnet (7), crank (9), conducting wire (10) are constituted, it is characterised in that：Bluff body (1) is perpendicularly fixed at guide rail
(2) front, vibrating body (3) are vertically gone here and there in the middle part of guide rail (2) by vibrating body (3) intermediate cyclic structure, and connecting rod (4) is solid
The part being connected in the middle part of the vibrating body (3) with guide rail (2), crank (9) are connected with connecting rod (4) one end, nine metallic rods
Wherein one end is all fixed on the other end of crank (9), and in nine metallic rod other ends, coil (5) connects nine metallic rods
Get up；U-shaped permanent magnet (7) is placed in the side of nine metallic rods, the U-shaped opening direction of permanent magnet (7) is located at where coil (5)
Plane, and a part of coil (5) and nine metallic rods is located in the semi-surrounding circle of permanent magnet (7), coil (5) and conducting bracket
(6) it is in contact, conducting bracket (6) connects with conducting wire (10), has a set of and above institute in the other side centered on vibrating body (3)
State the identical symmetrical mounting of device.
2. a kind of Karman vortex street generator according to claim 1, it is characterised in that：Conducting bracket (6) and coil (5)
The end being in contact is attached to brush.
3. a kind of Karman vortex street generator according to claim 1, it is characterised in that：Vibrating body (3) passes through connecting rod (4)
Slider-crank mechanism is constituted with crank (9) and coil (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660650.7A CN108869163A (en) | 2018-06-25 | 2018-06-25 | A kind of Karman vortex street generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660650.7A CN108869163A (en) | 2018-06-25 | 2018-06-25 | A kind of Karman vortex street generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869163A true CN108869163A (en) | 2018-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810660650.7A Pending CN108869163A (en) | 2018-06-25 | 2018-06-25 | A kind of Karman vortex street generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN108869163A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864105A (en) * | 2021-09-14 | 2021-12-31 | 清华大学 | Power generation assembly and double-elastic water bag internal flow energy power generation device |
| CN114439674A (en) * | 2021-12-07 | 2022-05-06 | 江苏振丰环保集团有限公司 | Ocean tidal power generation device capable of effectively improving power generation efficiency |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118054A (en) * | 2011-01-19 | 2011-07-06 | 重庆交通大学 | Bridge-vibration intelligent power supply system and method |
| CN102220941A (en) * | 2010-04-13 | 2011-10-19 | 李亚平 | Karman vortex street power generation device |
| CN103732915A (en) * | 2011-04-15 | 2014-04-16 | 东北大学 | Non-rotating wind energy generator |
| CA2797606A1 (en) * | 2012-11-20 | 2014-05-20 | Kristopher K. Butler | Vortex shedding electrical generator |
| CN107294343A (en) * | 2016-03-30 | 2017-10-24 | 成都金景盛风科技有限公司 | The method and apparatus of ocean seawave power generation |
-
2018
- 2018-06-25 CN CN201810660650.7A patent/CN108869163A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220941A (en) * | 2010-04-13 | 2011-10-19 | 李亚平 | Karman vortex street power generation device |
| CN102118054A (en) * | 2011-01-19 | 2011-07-06 | 重庆交通大学 | Bridge-vibration intelligent power supply system and method |
| CN103732915A (en) * | 2011-04-15 | 2014-04-16 | 东北大学 | Non-rotating wind energy generator |
| CA2797606A1 (en) * | 2012-11-20 | 2014-05-20 | Kristopher K. Butler | Vortex shedding electrical generator |
| CN107294343A (en) * | 2016-03-30 | 2017-10-24 | 成都金景盛风科技有限公司 | The method and apparatus of ocean seawave power generation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864105A (en) * | 2021-09-14 | 2021-12-31 | 清华大学 | Power generation assembly and double-elastic water bag internal flow energy power generation device |
| CN113864105B (en) * | 2021-09-14 | 2022-06-07 | 清华大学 | Power generation assembly and double-elastic water bag internal flow energy power generation device |
| CN114439674A (en) * | 2021-12-07 | 2022-05-06 | 江苏振丰环保集团有限公司 | Ocean tidal power generation device capable of effectively improving power generation efficiency |
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Application publication date: 20181123 |