CN208820704U - A kind of piezoelectricity wind power generation plant of magnet excitation - Google Patents
A kind of piezoelectricity wind power generation plant of magnet excitation Download PDFInfo
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- CN208820704U CN208820704U CN201821754909.6U CN201821754909U CN208820704U CN 208820704 U CN208820704 U CN 208820704U CN 201821754909 U CN201821754909 U CN 201821754909U CN 208820704 U CN208820704 U CN 208820704U
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- magnet
- transmission shaft
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- bearing
- wind power
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Abstract
The utility model discloses a kind of piezoelectricity wind power generation plant of magnet excitation, belongs to new energy field.It mainly include blade, piezoelectric generating mechanism and bracket;It is driven axis connection blade to fix on the shell by front and back bearings, shell is connected by front and rear cover and formed, and front and rear cover studs with the bearing to match with transmission shaft, and the installing port surrounding of bearing is around equipped with the resonant cavity and groove to match with circular piezoelectric piece;The circular piezoelectric piece outer end face center is equipped with static magnet, and the moving magnet like pole installed in static magnet and wheel disc is opposite to be installed, and wheel disc is fixedly mounted on transmission shaft by wedge to key.When work, transmission shaft band runner disc is rotated, moving magnet and static magnet it is continuous it is close, leave, identical charges repel each other, makes the generation blastic deformation of circular piezoelectric piece and produces electricl energy.The utility model is used cooperatively by circular piezoelectric piece and magnet, produces electricl energy piezoelectric patches by interval deformation, and structure is simple, cheap, and efficiency of energy collection is high.
Description
Technical field
The utility model relates to piezo-electric generating wind collecting application, and in particular to a kind of piezoelectricity wind-force of magnet excitation
Power generator belongs to new energy field.
Background technique
As climate change and human kind sustainable development, use of the renewable energy in power industry are paid close attention in the whole world further
It is more and more extensive.The whole world possesses wind energy resources abundant, and what is large-scale developed and utilized has a high potential.Therefore wind energy increasingly by
The great attention of countries in the world, and become with the fastest developing speed renewable within the scope of our times under the joint efforts of various countries
One of energy.THE WIND ENERGY RESOURCES IN CHINA is relatively abundanter, and the average wind power concentration in the whole nation is 100W/m2, wind energy resources gross reserves is about
32.26 hundred million kW.But Wind Power In China industry is started late, and overhaul of the equipments, the low level management of maintenance and reciprocation cycle are grown to capture
The main bugbear of wind energy power technology.
In recent years because piezoelectric material has excellent electromechanical transformation characteristic, becomes various countries and develop various renewable energy
With the research and development focus of energy collection technology.Piezo-electric generating has that structure is simple, do not generate heat, without electromagnetic interference, pollution-free and be easy to
Realize miniaturization, integrated advantage.Therefore can by small-sized piezoelectric generating device be applied to wind energy power technology, solve at
Sheet and efficiency problem.
Summary of the invention
In view of the above-mentioned deficiencies, the utility model provides a kind of piezoelectricity wind power generation plant of magnet excitation.
The utility model is achieved through the following technical solutions:
A kind of piezoelectricity wind power generation plant of magnet excitation, it is characterised in that including blade, piezoelectric generating mechanism and bracket;
Blade connection transmission shaft drives piezoelectric generating mechanism, the piezoelectric generating mechanism by transmission shaft, wheel disc, circular piezoelectric piece,
Moving magnet, static magnet, bearing and shell composition;The transmission shaft rear and front end is fixed on the shell by bearing;The shell
It is connected by screw to by drive end bearing bracket and rear end cap, inside forms a hollow chamber;In the inner face of the drive end bearing bracket and rear end cap
The heart studs with the bearing to match with transmission shaft, and the installing port surrounding of bearing is around equipped with the resonance to match with circular piezoelectric piece
Chamber and groove;The circular piezoelectric piece is made of metal layer and piezoelectric layer, and the outer end face center of piezoelectric layer is equipped with static magnet;It is described
The moving magnet like pole installed in static magnet and wheel disc is opposite to be installed, mutually exclusive;The wheel disc is pacified by wedge to key is fixed
On transmission shaft.
Further, the section of the resonant cavity and groove is circle, and resonant cavity diameter is less than groove diameter.
Further, the wheel disc two sides are respectively provided with four moving magnets, at circle distribution.
Further, the inner face of the front and rear cover respectively installs four circular piezoelectric pieces for studding with static magnet, Cheng Yuanzhou
Distribution;The rear end cap welding support plays fixed function.
The benificial effect of the utility model is to
1, the utility model combines wind power generation plant with piezoelectric material, compared with conventional wind power generator, does not have
Have and drive conventional electric generators using blade, structure is simple, is easy to be miniaturized and cheap.
2, the piezoelectric generating mechanism of the utility model being used cooperatively by circular piezoelectric piece and magnet, so that circular piezoelectric
Piece generates interval and impacts, and is constantly deformed vibration, therefore the utility model can be long lasting for power generation, efficiency of energy collection
It is high.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the sectional view of the utility model piezoelectric generating mechanism.
Fig. 3 is the explosive view of part in the utility model drive end bearing bracket and cavity.
Fig. 4 is the explosive view of the utility model rear end cap and its Assembly part.
In figure, 1, blade, 2, piezoelectric generating mechanism, 201, transmission shaft, 202, bearing, 203, wheel disc, 204, moving magnet,
205, circular piezoelectric piece, 206, static magnet, 207, drive end bearing bracket, 208, rear end cap, A, resonant cavity, B groove, 3, bracket.
Specific embodiment
A kind of piezoelectricity wind power generation plant of magnet excitation, it is characterised in that including blade 1, piezoelectric generating mechanism 2 and branch
Frame 3;The blade 1 connects transmission shaft 201 and drives piezoelectric generating mechanism 2, and the piezoelectric generating mechanism 2 is by transmission shaft 201, bearing
202, wheel disc 203, moving magnet 204, circular piezoelectric piece 205, static magnet 206 and shell composition;201 rear and front end of transmission shaft
It is fixed on the shell by bearing 202;The shell is connected by screw to by drive end bearing bracket 207 and rear end cap 208, and inside forms one
Hollow chamber;The inner face center of the drive end bearing bracket 207 and rear end cap 208 studs with the bearing to match with transmission shaft 201
202, the installing port surrounding of bearing 202 is around equipped with the resonant cavity A and groove B to match with circular piezoelectric piece 205;The circle
Piezoelectric patches 205 is made of metal layer and piezoelectric layer, and the outer end face center of piezoelectric layer is equipped with static magnet 206;The static magnet 206 with
204 like pole of moving magnet of the inner installation of wheel disc 203 is opposite to be installed, mutually exclusive;The wheel disc 203 is pacified by wedge to key is fixed
On transmission shaft 201.
Further, the section of the resonant cavity A and groove B is circle, and resonant cavity A diameter is less than groove B diameter.
Further, 203 two sides of wheel disc are respectively provided with four moving magnets 204, at circle distribution.
Further, the inner face of the front and rear cover respectively installs four circular piezoelectric pieces 205 for studding with static magnet 206,
At circle distribution;208 welding support 3 of rear end cap plays fixed function.
The working principle and the course of work of the utility model approximately as:
A kind of piezoelectricity wind power generation plant of magnet excitation, under the blowing of wind, blade 1 drives transmission shaft 201 and fixes
Wheel disc 203 on transmission shaft 201 rotates;Meanwhile the moving magnet 204 of 203 two sides of wheel disc also rotates with it, and inlays in end cap
Static magnet 206 on circular piezoelectric piece 205 produces relative rotation;When moving magnet 204 is with rotating close to static magnet 206, because
Like pole is mutually exclusive, so that the circular piezoelectric piece 205 for studding with static magnet 206 is impacted;When moving magnet 204 with rotation from
When opening static magnet 206, repulsive force reduces, and circular piezoelectric piece 205 is hit reduction;When normal work, transmission shaft 201 is with runner disc
203 move in a circle, four moving magnets 204 and static magnet 206 on circular piezoelectric piece 205 it is continuous it is close, leave;Therefore circle
Shape piezoelectric patches 205 generates gap impact, cooperates through resonant cavity A, is constantly deformed vibration, and then generates piezoelectric effect and sent out
Electricity realizes conversion of the mechanical energy to electric energy.
For the ordinary skill in the art, introduction according to the present utility model is not departing from the utility model
Principle and spirit in the case where, the changes, modifications that are carried out to embodiment, replacement and variant still fall within the utility model
Within protection scope.
Claims (4)
1. a kind of piezoelectricity wind power generation plant of magnet excitation, it is characterised in that: including blade, piezoelectric generating mechanism and bracket;
Blade connection transmission shaft drives piezoelectric generating mechanism, the piezoelectric generating mechanism by transmission shaft, wheel disc, circular piezoelectric piece,
Moving magnet, static magnet, bearing and shell composition;The transmission shaft rear and front end is fixed on the shell by bearing;The shell
It is connected by screw to by drive end bearing bracket and rear end cap, inside forms a hollow chamber;In the inner face of the drive end bearing bracket and rear end cap
The heart studs with the bearing to match with transmission shaft, and the installing port surrounding of bearing is around equipped with the resonance to match with circular piezoelectric piece
Chamber and groove;The circular piezoelectric piece is made of metal layer and piezoelectric layer, and the outer end face center of piezoelectric layer is equipped with static magnet;It is described
The moving magnet like pole installed in static magnet and wheel disc is opposite to be installed, mutually exclusive;The wheel disc is pacified by wedge to key is fixed
On transmission shaft.
2. a kind of piezoelectricity wind power generation plant of magnet excitation according to claim 1, it is characterised in that: the resonant cavity
Section with groove is circle, and resonant cavity diameter is less than groove diameter.
3. a kind of piezoelectricity wind power generation plant of magnet excitation according to claim 1, it is characterised in that: the wheel disc two
Side is respectively provided with four moving magnets, at circle distribution.
4. a kind of piezoelectricity wind power generation plant of magnet excitation according to claim 1, it is characterised in that: the front and back end
The inner face of lid respectively installs four circular piezoelectric pieces for studding with static magnet, at circle distribution;The rear end cap welding support rises solid
It is set for using.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821754909.6U CN208820704U (en) | 2018-10-29 | 2018-10-29 | A kind of piezoelectricity wind power generation plant of magnet excitation |
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CN201821754909.6U CN208820704U (en) | 2018-10-29 | 2018-10-29 | A kind of piezoelectricity wind power generation plant of magnet excitation |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110112954A (en) * | 2019-05-20 | 2019-08-09 | 山东理工大学 | A kind of Wind power rotary piezoelectricity-Electromagnetic heating power generator |
CN111589300A (en) * | 2020-05-22 | 2020-08-28 | 上海电力大学 | Device for removing pollutants through self-production electro-optic catalysis based on waste gas driving |
CN112332695A (en) * | 2020-09-29 | 2021-02-05 | 长春工业大学 | Rotating shaft type piezoelectric power generation device |
CN113131791A (en) * | 2021-04-22 | 2021-07-16 | 长春工业大学 | Piezoelectric energy harvesting device for collecting tunnel wind energy |
CN113271034A (en) * | 2021-07-05 | 2021-08-17 | 浙江师范大学 | Non-contact indirectly excited dual-purpose generator |
-
2018
- 2018-10-29 CN CN201821754909.6U patent/CN208820704U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110112954A (en) * | 2019-05-20 | 2019-08-09 | 山东理工大学 | A kind of Wind power rotary piezoelectricity-Electromagnetic heating power generator |
CN111589300A (en) * | 2020-05-22 | 2020-08-28 | 上海电力大学 | Device for removing pollutants through self-production electro-optic catalysis based on waste gas driving |
CN112332695A (en) * | 2020-09-29 | 2021-02-05 | 长春工业大学 | Rotating shaft type piezoelectric power generation device |
CN113131791A (en) * | 2021-04-22 | 2021-07-16 | 长春工业大学 | Piezoelectric energy harvesting device for collecting tunnel wind energy |
CN113131791B (en) * | 2021-04-22 | 2022-06-17 | 长春工业大学 | Piezoelectric energy harvesting device for collecting tunnel wind energy |
CN113271034A (en) * | 2021-07-05 | 2021-08-17 | 浙江师范大学 | Non-contact indirectly excited dual-purpose generator |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20191029 |
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CF01 | Termination of patent right due to non-payment of annual fee |