CN104617815B - Piezoelectricity electric power facility collecting wind energy - Google Patents
Piezoelectricity electric power facility collecting wind energy Download PDFInfo
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- CN104617815B CN104617815B CN201510041096.0A CN201510041096A CN104617815B CN 104617815 B CN104617815 B CN 104617815B CN 201510041096 A CN201510041096 A CN 201510041096A CN 104617815 B CN104617815 B CN 104617815B
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- flywheel
- cantilever beam
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- fixed
- fixed plate
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a piezoelectricity electric power facility collecting wind energy, the piezoelectricity electric power facility collecting wind energy comprises a pedestal, a fixing plate, a fixing block, a fan, a rotary shaft, a flywheel, a short cylinder, a connection rod, a bracket, an impact block and a cantilever beam piezoelectric vibrator; the fixing plate, the fixing block and the bracket are fixed on the pedestal; one end of the cantilever beam piezoelectric vibrator is fixed between the fixing plate and the fixing block; the fixing plate is provided with a hole, which is vertical to the plate surface horizontal direction, the rotary shaft is arranged in the hole of the fixing plate; the fan and the flywheel are respectively connected to two sides of the fixing plate through the rotary shaft; the short cylinder is fixed on the flywheel; the connection rod is respectively connected to the short cylinder and the impact block; the impact block is arranged on the bracket, and the tail end of the impact block props against the cantilever beam piezoelectric vibrator. According to the mode, the piezoelectricity electric power facility collecting wind energy can translate the wind energy into the electric energy for having green and environmental protection function; the volume is small, the structure is simple and the cost is low.
Description
Technical field
The present invention relates to energy technology field, more particularly to a kind of piezoelectric generating device of collection wind energy.
Background technology
Wind energy is a kind of reformulationses of solar energy, is a kind of not produce the reproducible of any pollutant emission and can be with
The natural energy resources that place takes.Traditional wind-power electricity generation is to cause rotor to rotate using wind load, further with rotor and stator
Between relative motion cutting magnetic line produce induction electromotive force, realize to load power supply.But this power supply mode is larger,
Complex process, improper powers for microelectronic component.
Recently as the fast development of large-scale distributed wireless sensing system and microelectronic component, traditional chemistry
Though battery-powered mode meets demand to a certain extent, its display the drawbacks of more and more obvious, such as volume is larger, the life-span
Limited, need the problems such as regularly replace.It is by wind energy using wind-induced vibration mechanism based on the piezoelectric harvester of wind-induced vibration principle
It is converted into the vibrational energy of structure, recycles piezoelectric effect that the vibrational energy of structure is converted to electric energy, there is small volume, structure letter
Single, low cost and other advantages, traditional battery can be substituted as a kind of micro battery and power, be particularly well-suited to be positioned over open air
Microelectronic component.
Content of the invention
The invention mainly solves the technical problem of providing a kind of piezoelectric generating device of collection wind energy, wind energy can be turned
Turn to electric energy, environmental protection；And small volume, structure are simple, low cost.
For solving above-mentioned technical problem, one aspect of the present invention is: provides a kind of piezoelectricity of collection wind energy
TRT, comprising: base, fixed plate, fixed block, fan, rotating shaft, flywheel, short cylindrical, connecting rod, support, impact block and cantilever
Beam piezoelectric vibrator；Described fixed plate, fixed block, support are fixed on described base plate；Described cantilever beam piezoelectric vibrators one end is fixed
Between described fixed plate and fixed block；Described fixed plate is provided with the hole perpendicular to plate face horizontal direction, described rotating shaft setting
In the hole in fixed plate；Described fan distinguishes connect setting in the both sides of described fixed plate with flywheel by described rotating shaft；Described
Short cylindrical is fixed on described flywheel；Described connecting rod connects described short cylindrical and impact block respectively；Described impact block is arranged on institute
State on support, the tail end of impact block is against in described cantilever beam piezoelectric vibrators.
Preferably, described support is provided with rectangular indentation, and the two side of rectangular indentation is equipped with the square of horizontal direction
Shape groove；On the relatively described support of described impact block, the position of rectangular channel is provided with rectangle platform, and rectangle platform is matched with rectangular channel.
Preferably, one end of described impact block is provided with fixture block, and described connecting rod is arranged between fixture block by bearing pin.
Preferably, described cantilever beam piezoelectric vibrators include piezoelectric ceramic piece, stalloy and mass；Described piezoelectric ceramics
Piece is pasted onto the two sides of described stalloy；Described mass is pasted onto the free end of described piezoelectric ceramic piece.
Preferably, the center of described flywheel is thinning, and partial bores are distributed with flywheel.
Preferably, the in the hole of described fixed plate is provided with bearing, and described rotating shaft is arranged in bearing；Described rotating shaft with described
It is equipped with flat key between fan and flywheel.
The invention has the beneficial effects as follows: the present invention can convert wind energy into electric energy, environmental protection；And small volume, structure
Simply, low cost.
Brief description
Fig. 1 is a kind of perspective view of piezoelectric generating device one preferred embodiment of present invention collection wind energy；
Fig. 2 be the present invention a kind of collection wind energy piezoelectric generating device in cantilever beam piezoelectric vibrators structural representation；
In accompanying drawing, the labelling of each part is as follows: 1, base；2nd, fixed plate；3rd, fixed block；4th, fan；5th, rotating shaft；6th, flywheel；
7th, short cylindrical；8th, connecting rod；9th, support；10th, impact block；11st, cantilever beam piezoelectric vibrators；12nd, stalloy；13rd, piezoelectric ceramic piece；
14th, mass.
Specific embodiment
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clearly defining.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention includes:
A kind of collection wind energy piezoelectric generating device, comprising: base 1, fixed plate 2, fixed block 3, fan 4, rotating shaft 5, fly
Wheel 6, short cylindrical 7, connecting rod 8, support 9, impact block 10, cantilever beam piezoelectric vibrators 11, stalloy 12, piezoelectric ceramic piece 13 and quality
Block 14；Described fixed plate 2, fixed block 3 are fixed on described base plate 1 with support 9；One end of described cantilever beam piezoelectric vibrators 11 sets
Put between described fixed plate 2 and the crack of fixed block 3, fixed by screw in compression；Described cantilever beam piezoelectric vibrators 11 are many
Individual cantilever beam piezoelectric vibrators；Described fixed plate 2 is provided with the hole perpendicular to plate face horizontal direction, and described rotating shaft 5 is arranged in the hole,
Described fan 4 distinguishes connect setting in the both sides of described fixed plate 3 with flywheel 6 by described rotating shaft 5；Described short cylindrical 7 is fixing
On described flywheel 6；Described connecting rod 8 connects described short cylindrical 7 and impact block 10 respectively, and described connecting rod 8 can be around described short cylindrical 7
Rotate；Described impact block 10 is arranged on described support 9, and support 9 can carry out certain spacing to impact block 10；Described impact
The tail end of block 10 is designed to crossbeam and is against in described cantilever beam piezoelectric vibrators 11, and the span of crossbeam can just collide all of hanging
Arm beam piezoelectric vibrator 11.It is provided with bearing between described rotating shaft 5 and the hole of described fixed plate 2；The two ends of rotating shaft 5 are provided with flat key, put down
Key connects described fan 4 and flywheel 6 respectively, and fan 4 and flywheel 6 are all fixed in rotating shaft 5 by nut；Flat key connection can determine that
Rotating shaft 5 rotation can drive fan 4 to rotate with flywheel 6.Described support 9 is provided with rectangular indentation, on the two side of rectangular indentation all
It is provided with the rectangular channel of horizontal direction.On the relatively described support 9 of described impact block 10, the position of rectangular channel is provided with rectangle platform, rectangle platform
Can slide on described rectangular channel.One end of described impact block 10 is provided with fixture block, one end of described connecting rod 8 be arranged on fixture block it
Between, fixture block is passed through by bearing pin with connecting rod 8 and is connected, and fixture block can be rotated around bearing pin with connecting rod 8.Described cantilever beam piezoelectric vibrators 11
Including ironed steel disc 12, electroceramics piece 13 and mass 14；The two sides of described stalloy 12 is pasted with described piezoelectric ceramics respectively
Piece 13；Described mass 14 is pasted onto the free end of described piezoelectric ceramic piece 13, can reduce consolidating of cantilever beam piezoelectric vibrators 11
There is frequency so as to easily resonate.The center of described flywheel 6 is thinning, partial bores is distributed with flywheel 6, and flywheel 6
In design, thickness and radius are less, thus ensure that rotary inertia is less, so under the effect of power transmission shaft 5 less driving moment
I.e. rotatable.
Due to the unstability of ambient wind, the acting frequency of impact block 10 is also to change within the specific limits, can be by
Multiple cantilever beam piezoelectric vibrators 11 are designed to different size so that each cantilever beam piezoelectric vibrators 11 has different intrinsic frequencies
Rate, so when the acting frequency of impact block 10 changes, may make some generation in multiple cantilever beam piezoelectric vibrators 11
Resonance, thus improve the output voltage of cantilever beam piezoelectric vibrators 11.
During work, wind-force drives fan 4 to rotate, and fan 4 drives rotating shaft 5 to rotate, so that the flywheel 6 in rotating shaft 5 rotates；
During flywheel 6 rotation, drivening rod 8 does move in plane, and connecting rod 8 drives impact bar 10 to do move in plane, and impact block 10 is because propping up
Under the constraint of frame 9, only do the linear motion of horizontal direction；Due to impact block 10 linear motion back and forth, the afterbody of impact bar 10
Constantly clash into cantilever beam piezoelectric vibrators 11；Cantilever beam piezoelectric vibrators 11 deform under the shock of impact block 10, and piezoelectricity is made pottery
Two surfaces of ceramics 13 produce electric potential difference, it is possible to provide electric energy.
The present invention can convert wind energy into electric energy, environmental protection；And small volume, structure are simple, low cost.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (1)
1. a kind of collection wind energy piezoelectric generating device it is characterised in that include: base, fixed plate, fixed block, fan, turn
Axle, flywheel, short cylindrical, connecting rod, support, impact block and cantilever beam piezoelectric vibrators；Described fixed plate, fixed block, support are fixed on
On described base；Described cantilever beam piezoelectric vibrators one end is fixed between described fixed plate and fixed block；Set in described fixed plate
There is the hole perpendicular to fixed plate plate face for the axis, and the axis in the hole of fixed plate is located at horizontal direction, described rotating shaft is arranged on fixation
The in the hole of plate；Described fan distinguishes connect setting in the both sides of described fixed plate with flywheel by described rotating shaft；Described short cylindrical
It is fixed on described flywheel；Described connecting rod connects described short cylindrical and impact block respectively；Described impact block is arranged on described support
On, the tail end of impact block is against in described cantilever beam piezoelectric vibrators；Described support is provided with rectangular indentation, the both sides of rectangular indentation
The rectangular channel of horizontal direction is equipped with wall；On the relatively described support of described impact block, the position of rectangular channel is provided with rectangle platform, square
Shape platform is matched with rectangular channel；One end of described impact block is provided with fixture block, and described connecting rod is arranged between fixture block by bearing pin；Institute
State cantilever beam piezoelectric vibrators and include piezoelectric ceramic piece, stalloy and mass；Described piezoelectric ceramic piece is pasted onto described stalloy
Two sides；Described mass is pasted onto the free end of described piezoelectric ceramic piece；The center of described flywheel is thinning, and flywheel divides
It is furnished with partial bores；The in the hole of described fixed plate is provided with bearing, and described rotating shaft is arranged in bearing；Described rotating shaft and described fan and
It is equipped with flat key between flywheel；Described cantilever beam piezoelectric vibrators have multiple, the size difference of each cantilever beam piezoelectric vibrators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041096.0A CN104617815B (en) | 2015-01-28 | 2015-01-28 | Piezoelectricity electric power facility collecting wind energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510041096.0A CN104617815B (en) | 2015-01-28 | 2015-01-28 | Piezoelectricity electric power facility collecting wind energy |
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| CN104617815A CN104617815A (en) | 2015-05-13 |
| CN104617815B true CN104617815B (en) | 2017-01-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105325388A (en) * | 2015-10-26 | 2016-02-17 | 苏州市职业大学 | Electric mosquito swatter capable of manually generating power |
| CN105337389A (en) * | 2015-10-26 | 2016-02-17 | 苏州市职业大学 | Charge pal capable of manual power generation |
| CN107605663B (en) * | 2017-08-28 | 2019-03-22 | 北京工业大学 | A kind of broadband wind-induced vibration piezoelectric generating device |
| CN108377109B (en) * | 2018-04-18 | 2019-11-01 | 上海理工大学 | A kind of vibrational energy acquisition simulator |
| CN109245611A (en) * | 2018-10-17 | 2019-01-18 | 合肥凌山新能源科技有限公司 | A kind of wind energy vibration generating device |
| CN112202360B (en) * | 2020-09-29 | 2022-03-29 | 长春工业大学 | Piezoelectric power generation device based on water flow excitation effect |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204113542U (en) * | 2014-05-26 | 2015-01-21 | 无锡中能晶科新能源科技有限公司 | A kind of piezoelectric constant wind-driven generator |
| CN104018991A (en) * | 2014-05-26 | 2014-09-03 | 无锡中能晶科新能源科技有限公司 | Piezoelectric ceramic wind driven generator |
| CN204041356U (en) * | 2014-09-17 | 2014-12-24 | 扬州大学 | Forced vibration formula wind generating unit |
| CN204408216U (en) * | 2015-01-28 | 2015-06-17 | 苏州市职业大学 | A kind of piezoelectric generating device gathering wind energy |
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