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 PDF

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Publication number
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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CN
China
Prior art keywords
magnet
transmission shaft
piezoelectric
bearing
wind power
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Expired - Fee Related
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CN201821754909.6U
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Chinese (zh)
Inventor
赵岩
王国全
朱尚
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Priority to CN201821754909.6U priority Critical patent/CN208820704U/en
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of piezoelectricity wind power generation plant of magnet excitation
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.
CN201821754909.6U 2018-10-29 2018-10-29 A kind of piezoelectricity wind power generation plant of magnet excitation Expired - Fee Related CN208820704U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821754909.6U CN208820704U (en) 2018-10-29 2018-10-29 A kind of piezoelectricity wind power generation plant of magnet excitation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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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CN208820704U true CN208820704U (en) 2019-05-03

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Cited By (5)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
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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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190503

Termination date: 20191029

CF01 Termination of patent right due to non-payment of annual fee