CN103490668A - Wind power utilization device based on piezoelectric effect - Google Patents
Wind power utilization device based on piezoelectric effect Download PDFInfo
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- CN103490668A CN103490668A CN201310423274.7A CN201310423274A CN103490668A CN 103490668 A CN103490668 A CN 103490668A CN 201310423274 A CN201310423274 A CN 201310423274A CN 103490668 A CN103490668 A CN 103490668A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a wind power utilization device based on the piezoelectric effect. The wind power utilization device comprises blades, piezoelectric vibrators and a shaft, wherein the blades convert wind power into mechanical energy, the piezoelectric vibrators convert the mechanical energy into electric energy, the shaft transmits power, the shaft is arranged perpendicular to the wind direction, the blades are fixedly connected with the shaft, a cam is fixedly arranged on the shaft, one end of each piezoelectric vibrator is fixed, and the other end of each piezoelectric vibrator makes contact with the surface of the cam. The S-shaped blades are adopted, and therefore the wind power utilization device has the advantages of being good in startability, low in machining cost, large in output torque, wide in application range and the like. A plurality of protrusions can be designed on the cam, therefore, the number of the corresponding piezoelectric vibrators increases, and the stimulated frequency of the piezoelectric vibrators can be improved. Meanwhile, the cam is designed to have a certain arc degree, therefore, the excitation time, namely, the high voltage output time, is effectively prolonged, the impact force is reduced, the service life of the piezoelectric vibrators is prolonged, the generating efficiency is improved, and the wind energy utilization rate is maximized.
Description
Technical field
The invention belongs to the wind power generation field, be specifically related to a kind of wind power utilization device based on piezoelectric effect.
Background technology
Piezo technology is as a kind of novel collection of energy mode, high, simple in structure with its energy conversion efficiency, without electromagnetic interference, be easy to realize integrally-built microminiaturization and the advantage such as integrated, become the emphasis of domestic and international vibrating power-generation area research.Utilize piezoelectric effect to generate electricity and adopt piezoelectric vibrators more, utilize inertia to make piezoelectric vibrator do free vibration, impact free vibration, forced vibration, the vibrational energy in realization collection environment etc. is that wireless sensing node is powered.
Utilize at present the research of piezoelectric vibrator collection wind energy actually rare, the Electronics Engineer of Texas, USA university husky kind Ke Puliya has invented the pocket windmill that a blade diameter only has 10cm, it adopts 12 piezoelectric vibrators, 12 cams can obtain the lasting electric energy of 7.5mW under the wind speed of 16km/h, and the blade of its windmill adopts the horizontal windmill, to wind direction, wind speed, require high, the piezoelectric vibrator application is too much and fragile, and overall efficiency is not high, and practicality is unsatisfactory.
Summary of the invention
Blade in conjunction with the collection wind energy of the present invention and the piezoelectric effect of piezoelectric vibrator, provide a kind of and can effectively collect the energy collecting device of wind energy, and it is simple in structure, and cost is low, processing and easy for installation, and generating efficiency is high.
The present invention adopts following technical scheme to realize: a kind of wind power utilization device based on piezoelectric effect, the blade that to comprise wind energy transformation be mechanical energy, mechanical energy is converted to the piezoelectric vibrator of electric energy and the axle 5 of transferring power, described axle 5 is perpendicular to the wind direction setting, described blade and axle 5 are connected, be installed with cam 9 on described axle 5, described piezoelectric vibrator 8 one ends are fixed, the other end and cam 9 Surface Contacts.
Described blade line centered by the axis of axle 5 is evenly arranged, and its blade face is parallel with the axis of axle 5.
Described blade is two semicircular blades, and the axis both sides that are separately positioned on axle 5 form a whole as the blade of S shape.
Described blade axially is provided with at least two-stage, the position interlaced arrangement between adjacent two grade blades along axle 5.
Described blade two ends are provided with the disk 6 of the bulk strength that increases blade.
Described piezoelectric vibrator is arranged on the oscillator retainer ring be fixedly installed, and described oscillator retainer ring and axle 5 coaxially arrange, and its inboard is provided with groove, and described piezoelectric vibrator 8 one ends are placed in described groove and clamp fixing by fixed block 7.
Described piezoelectric vibrator 8 is along the radial arrangement of oscillator retainer ring, and line is evenly arranged centered by the axis of axle 5.
The twice that the quantity of described piezoelectric vibrator 8 is described cam 9 protruding quantity.
Described oscillator retainer ring and cam are provided with at least two covers along the axis of axle 5.
Compared with prior art, the present invention has following beneficial effect:
The advantages such as 1, to have startability good for S type blade, and processing is cheap, and output torque is large, combine with piezoelectric vibrator, makes Wind Power Utilization more effectively simple, when obtaining larger torque, enlarged wind speed range applicatory, makes range of application more wide.
2, cam can design a plurality of projections and improve corresponding piezoelectric vibrator quantity, can increase the driven frequence of piezoelectric vibrator, convex design becomes certain radian simultaneously, can effectively extend the actuation duration is the high voltage output time, reduce impulsive force, improve piezoelectric vibrator useful life, improve generating efficiency, two groups of piezoelectric vibrator electricity generation modules make wind energy utilization maximize.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention in embodiment.
Fig. 2 is the blade vertical view.
Fig. 3 is piezoelectric vibrator and oscillator retainer ring structural representation.
Fig. 4 is oscillator retainer ring vertical view.
Number in the figure: 1-mono-grade blade, 2-bis-grade blades, 3-one-level oscillator retainer ring, 4-secondary oscillator retainer ring, 5-axle, 6-disk, 7-fixed block, 8-piezoelectric vibrator, 9-cam.
Embodiment
Embodiment
Referring to Fig. 1 to Fig. 4, the wind power utilization device based on piezoelectric effect in figure comprises blade, piezoelectric vibrator and axle, and its Leaf is mechanical energy, axle transferring power by wind energy transformation, and piezoelectric vibrator is converted to electric energy by the mechanical energy of axle transmission.
Specifically referring to Fig. 1, in the present embodiment, axle 5 vertically arranges, two grade blades are installed in the first half of axle along the axis of axle 5, concrete, two grade blades all centered by the axis of axle 5 line be evenly arranged, its blade face is parallel with the axis of axle 5, further specifically referring to Fig. 2, the preferred blade of the present embodiment is two semicircular blades, the axis both sides that are separately positioned on axle 5 form a whole as the blade of S shape, one grade blade 1 of its middle and upper part and the position interlaced arrangement between two grade blades 2, such blade arrangement mode can guarantee the continuity of blade collection wind energy, and be provided with the disk 6 of the bulk strength that increases blade at the upper and lower two ends of every grade blade, prevent that blade from producing distortion when collecting wind energy.The blade size dimension can make the appropriate adjustments according to concrete environment for use.
In conjunction with referring to Fig. 1, Fig. 3 and Fig. 4, be installed with two-stage cam 9 on the Lower Half of axle 5, piezoelectric vibrator 8 one ends are fixed, the other end and corresponding cam 9 Surface Contacts.Concrete fixed structure is referring to Fig. 3 and Fig. 4, piezoelectric vibrator is arranged on the oscillator retainer ring that two-stage is fixedly installed, wherein one-level oscillator retainer ring 3 and secondary oscillator retainer ring 4 are coaxial and setting up and down along the axis of axle 5 with axle 5, its inboard is provided with and is evenly equipped with six grooves, and piezoelectric vibrator 8 one ends of strip are placed in the groove of oscillator retainer ring and clamp fixing by fixed block 7.Preferably, piezoelectric vibrator 8 is along the radial arrangement of oscillator retainer ring 3, and line is evenly arranged centered by the axis of axle 5.Upwards be evenly equipped with three lug bosses in the footpath of cam 9, it is 60 ° that the radian of each lug boss is preferably radian.The quantity that increases piezoelectric vibrator and cam lobe can increase the driven frequence of piezoelectric vibrator, convex design becomes certain radian simultaneously, can effectively extend the actuation duration is the high voltage output time, reduce impulsive force, improve piezoelectric vibrator useful life, improve generating efficiency, two groups of piezoelectric vibrator electricity generation modules make wind energy utilization maximize.Piezoelectric vibrator can specifically be selected according to environment for use, changeable, and number is the amount doesn't matter.
When concrete the use, this device can be fixed in to any applicable place, coordinate other voltage stabilizing rectifier cells to use.The present invention utilizes the excellent power generation characteristics of piezoelectricity, and the S type blade of binding ability excellence, realize wider Wind Power Utilization, and how protruding radian cam can effectively improve generating efficiency, increases the service life, and can be used for wireless senser power supply from far-off regions etc.
Claims (9)
1. the wind power utilization device based on piezoelectric effect, it is characterized in that: the blade that to comprise wind energy transformation be mechanical energy, mechanical energy is converted to the piezoelectric vibrator of electric energy and the axle of transferring power (5), described axle (5) is perpendicular to the wind direction setting, described blade and axle (5) are connected, be installed with cam (9) on described axle (5), described piezoelectric vibrator (8) one ends are fixed, the other end and cam (9) Surface Contact.
2. a kind of wind power utilization device based on piezoelectric effect according to claim 1, it is characterized in that: described blade line centered by the axis of axle (5) is evenly arranged, and its blade face is parallel with the axis of axle (5).
3. a kind of wind power utilization device based on piezoelectric effect according to claim 2, it is characterized in that: described blade is two semicircular blades, the axis both sides that are separately positioned on axle (5) form a whole as the blade of S shape.
4. a kind of wind power utilization device based on piezoelectric effect according to claim 3 is characterized in that: described blade axially is provided with at least two-stage, the position interlaced arrangement between adjacent two grade blades along axle (5).
5. according to the described a kind of wind power utilization device based on piezoelectric effect of claim 2 or 3, it is characterized in that: described blade two ends are provided with the disk (6) of the bulk strength that increases blade.
6. a kind of wind power utilization device based on piezoelectric effect according to claim 1, it is characterized in that: described piezoelectric vibrator is arranged on the oscillator retainer ring be fixedly installed, described oscillator retainer ring and the coaxial setting of axle (5), its inboard is provided with groove, and described piezoelectric vibrator (8) one ends are placed in described groove and clamp fixing by fixed block (7).
7. a kind of wind power utilization device based on piezoelectric effect according to claim 6, it is characterized in that: described piezoelectric vibrator (8) is along the radial arrangement of oscillator retainer ring, and line is evenly arranged centered by the axis of axle (5).
8. according to the described a kind of wind power utilization device based on piezoelectric effect of claim 6 or 7, it is characterized in that: the twice that the quantity of described piezoelectric vibrator (8) is the protruding quantity of described cam (9).
9. a kind of wind power utilization device based on piezoelectric effect according to claim 8, it is characterized in that: described oscillator retainer ring and cam are provided with at least two covers along the axis of axle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310423274.7A CN103490668A (en) | 2013-09-17 | 2013-09-17 | Wind power utilization device based on piezoelectric effect |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310423274.7A CN103490668A (en) | 2013-09-17 | 2013-09-17 | Wind power utilization device based on piezoelectric effect |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680548A (en) * | 2016-02-19 | 2016-06-15 | 北京理工大学 | Automatic power-supply apparatus for wireless sensing nodes |
| CN106602929A (en) * | 2016-12-22 | 2017-04-26 | 苏州市职业大学 | Disc-type piezoelectric power generation device |
| CN106899227A (en) * | 2017-03-30 | 2017-06-27 | 东北林业大学 | A kind of enhanced intelligent-driving motor |
| CN108035850A (en) * | 2017-12-28 | 2018-05-15 | 西南交通大学 | A kind of adaptive Wind energy collecting device of wind direction |
| CN110755947A (en) * | 2019-11-25 | 2020-02-07 | 佛山市顺德区美的洗涤电器制造有限公司 | Oil fume purifying device |
| CN112901419A (en) * | 2021-01-29 | 2021-06-04 | 武汉理工大学 | Piezoelectric wind energy collecting device integrated with flutter effect |
| CN109113936B (en) * | 2018-10-09 | 2023-10-27 | 西南交通大学 | Tunnel piston wind power generation device |
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| CN201065808Y (en) * | 2007-03-12 | 2008-05-28 | 毛立晓 | Vehicular horizontal type wind power generation device |
| US20100052324A1 (en) * | 2005-10-18 | 2010-03-04 | Board Of Regents, The University Of Texas System | Piezoelectric windmill apparatus |
| CN202856658U (en) * | 2012-08-07 | 2013-04-03 | 南京航空航天大学 | Piezoelectric array for gentle breeze generating device |
| CN103259323A (en) * | 2013-05-04 | 2013-08-21 | 大连理工大学 | Wireless sensor network (WSN) node self-powered system based on solar energy-wind energy complementation |
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2013
- 2013-09-17 CN CN201310423274.7A patent/CN103490668A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100052324A1 (en) * | 2005-10-18 | 2010-03-04 | Board Of Regents, The University Of Texas System | Piezoelectric windmill apparatus |
| CN201065808Y (en) * | 2007-03-12 | 2008-05-28 | 毛立晓 | Vehicular horizontal type wind power generation device |
| CN202856658U (en) * | 2012-08-07 | 2013-04-03 | 南京航空航天大学 | Piezoelectric array for gentle breeze generating device |
| CN103259323A (en) * | 2013-05-04 | 2013-08-21 | 大连理工大学 | Wireless sensor network (WSN) node self-powered system based on solar energy-wind energy complementation |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680548A (en) * | 2016-02-19 | 2016-06-15 | 北京理工大学 | Automatic power-supply apparatus for wireless sensing nodes |
| CN106602929A (en) * | 2016-12-22 | 2017-04-26 | 苏州市职业大学 | Disc-type piezoelectric power generation device |
| CN106899227A (en) * | 2017-03-30 | 2017-06-27 | 东北林业大学 | A kind of enhanced intelligent-driving motor |
| CN108035850A (en) * | 2017-12-28 | 2018-05-15 | 西南交通大学 | A kind of adaptive Wind energy collecting device of wind direction |
| CN108035850B (en) * | 2017-12-28 | 2023-04-28 | 西南交通大学 | Wind energy acquisition device with wind direction self-adaptation function |
| CN109113936B (en) * | 2018-10-09 | 2023-10-27 | 西南交通大学 | Tunnel piston wind power generation device |
| CN110755947A (en) * | 2019-11-25 | 2020-02-07 | 佛山市顺德区美的洗涤电器制造有限公司 | Oil fume purifying device |
| CN110755947B (en) * | 2019-11-25 | 2023-09-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Fume purifying device |
| CN112901419A (en) * | 2021-01-29 | 2021-06-04 | 武汉理工大学 | Piezoelectric wind energy collecting device integrated with flutter effect |
| CN112901419B (en) * | 2021-01-29 | 2022-11-29 | 武汉理工大学 | Piezoelectric wind energy collecting device integrated with flutter effect |
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Application publication date: 20140101 |