CN107453647A - Wide speed domain magnetic couple piezoelectricity wind energy collector - Google Patents
Wide speed domain magnetic couple piezoelectricity wind energy collector Download PDFInfo
- Publication number
- CN107453647A CN107453647A CN201710636885.8A CN201710636885A CN107453647A CN 107453647 A CN107453647 A CN 107453647A CN 201710636885 A CN201710636885 A CN 201710636885A CN 107453647 A CN107453647 A CN 107453647A
- Authority
- CN
- China
- Prior art keywords
- wind
- energy collector
- magnetic
- magnetic coupling
- trt
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims abstract description 36
- 238000010168 coupling process Methods 0.000 claims abstract description 36
- 238000005859 coupling reaction Methods 0.000 claims abstract description 36
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 210000004209 hair Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
-
- 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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
- F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
- F03D9/257—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor the wind motor being part of a wind farm
-
- 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
Abstract
A kind of wide speed domain magnetic couple piezoelectricity wind energy collector, including：Wind-driven rotating mechanism, TRT and the rotor being connected in TRT and with Wind-driven rotating mechanism is arranged at, wherein：Wind-driven rotating mechanism rotates the center for being arranged at TRT, and the inside of TRT is provided with rotor described in some generator unit faces.Each generator unit includes a magnetic coupling piezoelectric generating mechanism and a power coil, and power coil is arranged at intervals with magnetic coupling piezoelectric generating mechanism and is connected respectively with control unit.Wind-force is converted to by periodic magnetic power by rotation and is applied to magnetic coupling piezoelectric generating mechanism, there is higher electromechanical coupling factor, improve energy density and reliability.Design more magnetic couple configurations and overcome reaction magnetic resistance moment, so that the device also can effectively work when wind-force is smaller, and when wind-force is larger, connect electromagnetic induction power coil, generated electricity simultaneously by magnetic coupling piezoelectric generating mechanism and power coil, capture more multi-energy.
Description
Technical field
The present invention relates to a kind of technology of wind power generation field, specifically a kind of wide speed domain magnetic couple piezoelectricity wind
Can collector.
Background technology
Traditional wind-power electricity generation is mostly using turbine type device is rotated, and device energy density is low, volume is big, and inapplicable small
Typeization works.Many scholars utilize piezo-electric effect small design wind energy collector at present.Current most of piezoelectric type wind energy is adopted
Collection design is all by wind-induced vibration alternating bending patch individual layer on a cantilever beam or double-deck piezoelectric patches, so as to which wind energy be converted to
Electric energy.Piezoelectric patches is utilized by beam mode (d31), not only piezoelectric constant is low, and piezoelectric patches holds very much in bending repeatedly
Easy performance degradation even damages.It is that environmental suitability is poor that Wind energy collecting device, which also has a key issue,.When wind-force is smaller,
It is difficult to driving energy harvester effectively works.And when wind-force is very big, electricity energy harvester is easily damaged again.
The content of the invention
The present invention is for prior art environmental suitability is poor, energy density is low, reliability is low, piezoelectric constant is difficult to meet need
The defects of wanting, a kind of wide speed domain magnetic couple piezoelectricity wind energy collector is proposed, can start work under different wind speed ranges
Make collection wind energy.
The present invention is achieved by the following technical solutions：
The present invention includes：Wind-driven rotating mechanism, TRT and be arranged in TRT and with Wind-driven rotating mechanism
Connected rotor, wherein：Wind-driven rotating mechanism rotates the center for being arranged at TRT, and the inside of TRT is provided with some hairs
Rotor described in electric unit face.
Described Wind-driven rotating mechanism includes rotary shaft and some cup type blades being arranged in rotary shaft.
Described rotor includes：Middle blade and exciting magnet, wherein：The both ends of middle blade respectively with Wind-driven rotating mechanism and
Exciting magnet is fixedly connected.
Described TRT includes：Housing and the control unit being arranged inside it and some generating lists being attached thereto
Member, wherein：Each generator unit includes a magnetic coupling piezoelectric generating mechanism and a power coil, power coil and magnetic coupling
Piezoelectric generating mechanism is arranged at intervals and is connected respectively with control unit.
Described magnetic coupling piezoelectric generating mechanism includes：Piezoelectric layer, metal level and energized magnet are upheld, wherein：Piezoelectricity
At least side of layer, which is provided with, upholds metal level, and energized magnet is connected with piezoelectric layer or extension metal level and face rotor, is swashed
The opposite polarity of field core and exciting magnet is attracted each other.
The number of described generator unit magnetic coupling pressure preferably identical with the number of rotor and circumferentially uniform, symmetrical
Energized magnet arrangements mode on electric generator structure is opposite.
Described housing includes upper mounted plate, some connection plates of bottom plate and setting therebetween, described
Wind-driven rotating mechanism rotates the center for being arranged at upper mounted plate and bottom plate by bearing.
The number of described connection plate is identical with generator unit.
Described control unit includes：Piezo-electric generating circuit comprising rectification module and electric energy storage device, comprising it is micro- after
The Electromagnetic generation circuit and micro-control module of electrical equipment, rectification module and electric energy storage device, wherein：Piezo-electric generating circuit and pressure
Electric layer is connected, and Electromagnetic generation circuit is connected with power coil, and micro-control module is electric with piezo-electric generating circuit and Electromagnetic generation respectively
Road is connected and transmits control information.
Technique effect
Compared with prior art, wind-force is converted to periodic magnetic power by rotation and is applied to magnetic coupling piezoelectricity hair by the present invention
Motor structure, there is higher electromechanical coupling factor, improve energy density and reliability；Particularly by the configuration gram of more magnetic couples
Taking reaction magnetic resistance moment so that the device also can effectively work when wind-force is smaller, and when wind-force is larger, connect electromagnetism
Sense power coil, while generated electricity by magnetic coupling piezoelectric generating mechanism and power coil, capture more multi-energy, and using electricity
The conversion method of two kinds of wind energies of magnetic induction and piezo-electric effect and electric energy, have the characteristics of piezo-electric generating and electromagnetic induction generate electricity concurrently, have
Wider application field.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is the upward view of the present invention；
Fig. 5 is the internal structure schematic diagram of the present invention；
Fig. 6 is compound power-generating cellular construction schematic diagram in the present invention；
Fig. 7 is the magnet arrangements schematic diagram of the present invention；
Fig. 8 is more magnetic couple schematic diagrames in the present invention；
Fig. 9 is the workflow schematic diagram of the present invention；
In figure：1 cup type blade, 2 rotary shafts, 3 upper mounted plates, 4 bottom plates, 5 connection plates, 6 magnetic coupling piezoelectricity hair
Blade in motor structure, 7 power coils, 8,9 exciting magnets, 10 bearings, 11 piezoelectric layers, 12 uphold metal levels, 13 be energized magnet,
14 control units.
Embodiment
As Figure 1-Figure 5, cup type blade 1 is fixed on the upper end of rotary shaft 2 in the present embodiment, rotary shaft 2 respectively with it is upper solid
Fixed board 3 and bottom plate 4 are connected by bearing 10, and some connection plates 5 are fixedly installed on upper mounted plate 3 and bottom plate 4
Between, connection plate 5 is fixedly connected with magnetic coupling piezoelectric generating mechanism 6 or power coil 7, the middle period with exciting magnet 9
Piece 8 is fixedly connected with rotary shaft 2, control unit 14 be arranged in bottom plate bottom surface recess and be integrated with piezo-electric generating circuit,
Electromagnetic generation circuit and micro-control module.
As shown in fig. 6, described magnetic coupling piezoelectric generating mechanism 6 includes：Piezoelectric layer 11, uphold metal level 12 and be energized
Magnet 13, wherein：Respectively one extension metal level 12 of bonding, energized magnet 13 are fixedly installed on one and stretched for the both sides of piezoelectric layer 11
Open the crowning of metal level 12.
As shown in fig. 7, described magnetic coupling piezoelectric generating mechanism 6 totally four and circumferential uniform, symmetrical magnetic coupling
The arrangement of energized magnet 13 on piezoelectric generating mechanism 6 is opposite；The exciting magnet 9 of blade has four in correspondingly and circumference is equal
Cloth, four exciting magnets are fixedly installed in the outer end of described middle blade respectively in the way of on the inside of S poles outside, N poles.
Described connection plate has eight and circumferential uniform, the magnetic that described connection plate is interlocked described in fixed installation
Couple piezoelectric generating mechanism 6 and described power coil 7.
As shown in figure 8, when symmetrical exciting magnet is close to symmetrical magnetic coupling piezoelectric generating mechanism 6, a magnetic coupling
Piezoelectric generating mechanism 6 produces magnetic repulsion to close exciting magnet 9, so as to produce the moment of resistance to rotary motion, and it is right therewith
The magnetic coupling piezoelectric generating mechanism 6 of title produces magnetic attraction to close exciting magnet 9, so as to produce driving force to rotary motion
Square；When symmetrical exciting magnet leaves symmetrical magnetic coupling piezoelectric generating mechanism 6, a magnetic coupling piezoelectric generating mechanism 6 is right
The exciting magnet left produces magnetic repulsion, so that driving moment is produced to rotary motion, and symmetrical magnetic coupling piezoelectricity therewith
Generating mechanism 6 produces magnetic attraction to the exciting magnet left, so as to produce the moment of resistance to rotary motion.In whole work process
In, symmetrical magnetic coupling piezoelectric generating mechanism 6 can be cancelled out each other to the moment of resistance of rotary motion.
As shown in figure 9, when the wind blows, cup type blade 1 rotates, rotary shaft and the middle period being fixed in rotary shaft are driven
Piece rotates, while middle blade is also rotated by wind drive, is fixedly installed in the exciting magnet rotation of middle blade end, is energized
The distance between magnet and exciting magnet change, and the distance between magnet changes the change for causing magnetic force, so as to encourage magnetic
Iron produces periodicity magnetic excitation to magnetic coupling type transducer, and magnetic force upholds metal level amplification by two, superposition is delivered to piezoelectricity
Layer, piezoelectric layer are deformed upon, generated electricity because of piezo-electric effect, and voltage caused by multiple magnetic coupling type energy accumulators is inputted by electric wire
The piezo-electric generating circuit of control unit.When wind-force is weaker, Electromagnetic generation circuit disconnects, i.e. only magnetic coupling piezoelectric generating mechanism
6 work, the moment of resistance that rotary motion is acted on by more magnetic couples can be offset by driving moment, so magnetic coupling piezoelectricity
To the resistance very little of rotary motion when generating mechanism 6 works, so as to effectively be worked when wind-force is weaker.When wind-force is larger,
Rotary speed increase, electric voltage frequency increase caused by magnetic coupling piezoelectric generating mechanism 6, when electric voltage frequency exceedes setting value, then connects
Energization magnetic induction power coil circuit, electromagnetic induction power coil start to generate electricity.
Wind-force is converted to rotary motion, is then converted into periodicity magnetic force by the present apparatus using cup type blade 1 and middle blade
Magnetic coupling piezoelectric generating mechanism 6 is applied to, there is higher electromechanical coupling factor, improve energy density and reliability；Especially
The reaction moment of resistance is overcome by the configuration of more magnetic couples so that the device also can effectively work when wind-force is smaller, and work as
When wind-force is larger, electromagnetic induction power coil is connected, while is generated electricity by magnetic coupling piezoelectric generating mechanism 6 and power coil, prisoner
Obtain more multi-energy, and using two kinds of wind energies of electromagnetic induction and piezo-electric effect and the conversion method of electric energy, have concurrently piezo-electric generating and
The characteristics of electromagnetic induction generates electricity, has wider application field.
Above-mentioned specific implementation can by those skilled in the art on the premise of without departing substantially from the principle of the invention and objective with difference
Mode local directed complete set is carried out to it, protection scope of the present invention is defined by claims and not by above-mentioned specific implementation institute
Limit, each implementation in the range of it is by the constraint of the present invention.
Claims (8)
- A kind of 1. wide speed domain magnetic couple piezoelectricity wind energy collector, it is characterised in that including：Wind-driven rotating mechanism, generate electricity dress The rotor being connected in TRT and with Wind-driven rotating mechanism is put and is arranged at, wherein：Wind-driven rotating mechanism is rotated and is arranged at The center of TRT, the inside of TRT are provided with rotor described in some generator unit faces；Described TRT includes：Housing and the control unit being arranged inside it and some generator units being attached thereto, Wherein：Each generator unit includes a magnetic coupling piezoelectric generating mechanism and a power coil, power coil and magnetic coupling pressure Electric generator structure is arranged at intervals and is connected respectively with control unit.
- 2. wind energy collector according to claim 1, it is characterized in that, described Wind-driven rotating mechanism include rotary shaft and Some cup type blades being arranged in rotary shaft.
- 3. wind energy collector according to claim 1, it is characterized in that, described rotor includes：Middle blade and exciting magnet, Wherein：The both ends of middle blade are fixedly connected with Wind-driven rotating mechanism and exciting magnet respectively.
- 4. wind energy collector according to claim 3, it is characterized in that, described magnetic coupling piezoelectric generating mechanism includes：Pressure Electric layer, metal level and energized magnet are upheld, wherein：At least side of piezoelectric layer be provided with uphold metal level, be energized magnet with Piezoelectric layer upholds that metal level is connected and face rotor, the opposite polarity for being energized magnet and exciting magnet are attracted each other.
- 5. wind energy collector according to claim 1, it is characterized in that, the number of described generator unit preferably with rotor Number is identical and circumferential uniform, and the energized magnet arrangements mode on symmetrical magnetic coupling piezoelectric generating mechanism is opposite.
- 6. wind energy collector according to claim 1, it is characterized in that, described housing includes upper mounted plate, bottom plate And some connection plates therebetween are set, described Wind-driven rotating mechanism rotated by bearing be arranged at upper mounted plate and The center of bottom plate.
- 7. wind energy collector according to claim 1, it is characterized in that, the number and generator unit of described connection plate It is identical.
- 8. wind energy collector according to claim 1, it is characterized in that, described control unit includes：Include rectification module Piezo-electric generating circuit with electric energy storage device, the electricity of the Electromagnetic generation comprising microrelay, rectification module and electric energy storage device Road and micro-control module, wherein：Piezo-electric generating circuit is connected with piezoelectric layer, and Electromagnetic generation circuit is connected with power coil, micro- Control module is connected with piezo-electric generating circuit and Electromagnetic generation circuit and transmits control information respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636885.8A CN107453647B (en) | 2017-07-31 | 2017-07-31 | Wide speed domain magnetic coupling piezoelectricity wind energy collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636885.8A CN107453647B (en) | 2017-07-31 | 2017-07-31 | Wide speed domain magnetic coupling piezoelectricity wind energy collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107453647A true CN107453647A (en) | 2017-12-08 |
| CN107453647B CN107453647B (en) | 2019-08-23 |
Family
ID=60490545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710636885.8A Active CN107453647B (en) | 2017-07-31 | 2017-07-31 | Wide speed domain magnetic coupling piezoelectricity wind energy collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107453647B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994808A (en) * | 2017-12-10 | 2018-05-04 | 北京工业大学 | Alternation flexion type wind-force piezoelectric energy collector |
| CN109495015A (en) * | 2018-11-19 | 2019-03-19 | 东北林业大学 | A kind of universal high-efficiency wind power generation plant based on piezoelectric nano generator |
| CN109639178A (en) * | 2019-01-11 | 2019-04-16 | 长春工业大学 | A kind of gyromagnet Exciting-simulator system piezoelectric generating device |
| CN110086376A (en) * | 2019-05-07 | 2019-08-02 | 湖南工程学院 | Small-sized wind energy collector with frequency and displacement equations effect |
| CN111042989A (en) * | 2019-12-30 | 2020-04-21 | 张建兴 | Wind-driven stable rotating device |
| CN112202362A (en) * | 2020-09-29 | 2021-01-08 | 长春工业大学 | Energy collecting device based on fan rotation |
| CN112196730A (en) * | 2020-10-04 | 2021-01-08 | 长春工业大学 | Power generation device based on wind energy |
| CN113078847A (en) * | 2021-04-09 | 2021-07-06 | 国网江西省电力有限公司供电服务管理中心 | Breeze energy collector with full wind direction and wide working wind speed |
| CN113612408A (en) * | 2021-08-03 | 2021-11-05 | 西北工业大学太仓长三角研究院 | Self-speed-control non-contact type magnetic coupling piezoelectric wind energy collector |
| CN113629907A (en) * | 2021-08-07 | 2021-11-09 | 西北工业大学 | Piezoelectric-electromagnetic combined type power generation device for collecting energy of rotating shaft |
| CN114070129A (en) * | 2021-11-18 | 2022-02-18 | 郑州大学 | Rotation-driven composite energy capture device |
| CN107956646B (en) * | 2017-12-28 | 2023-04-28 | 西南交通大学 | Piezoelectric wind energy acquisition device applied to high-voltage power grid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002369554A (en) * | 2001-06-06 | 2002-12-20 | Nec Tokin Corp | Indicator |
| CN103684047A (en) * | 2013-12-18 | 2014-03-26 | 大连理工大学 | Wind-driven rotary type piezoelectric and electromagnetic hybrid electric generator |
| CN104179637A (en) * | 2013-05-24 | 2014-12-03 | 纳米新能源（唐山）有限责任公司 | Wind power generation system |
| CN105634205A (en) * | 2016-03-25 | 2016-06-01 | 吉林大学 | Micro piezoelectric-electromagnetic composite power generation device |
-
2017
- 2017-07-31 CN CN201710636885.8A patent/CN107453647B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002369554A (en) * | 2001-06-06 | 2002-12-20 | Nec Tokin Corp | Indicator |
| CN104179637A (en) * | 2013-05-24 | 2014-12-03 | 纳米新能源（唐山）有限责任公司 | Wind power generation system |
| CN103684047A (en) * | 2013-12-18 | 2014-03-26 | 大连理工大学 | Wind-driven rotary type piezoelectric and electromagnetic hybrid electric generator |
| CN105634205A (en) * | 2016-03-25 | 2016-06-01 | 吉林大学 | Micro piezoelectric-electromagnetic composite power generation device |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994808A (en) * | 2017-12-10 | 2018-05-04 | 北京工业大学 | Alternation flexion type wind-force piezoelectric energy collector |
| CN107956646B (en) * | 2017-12-28 | 2023-04-28 | 西南交通大学 | Piezoelectric wind energy acquisition device applied to high-voltage power grid |
| CN109495015A (en) * | 2018-11-19 | 2019-03-19 | 东北林业大学 | A kind of universal high-efficiency wind power generation plant based on piezoelectric nano generator |
| CN109639178A (en) * | 2019-01-11 | 2019-04-16 | 长春工业大学 | A kind of gyromagnet Exciting-simulator system piezoelectric generating device |
| CN110086376A (en) * | 2019-05-07 | 2019-08-02 | 湖南工程学院 | Small-sized wind energy collector with frequency and displacement equations effect |
| CN111042989A (en) * | 2019-12-30 | 2020-04-21 | 张建兴 | Wind-driven stable rotating device |
| CN112202362B (en) * | 2020-09-29 | 2022-03-29 | 长春工业大学 | Energy collecting device based on fan rotation |
| CN112202362A (en) * | 2020-09-29 | 2021-01-08 | 长春工业大学 | Energy collecting device based on fan rotation |
| CN112196730A (en) * | 2020-10-04 | 2021-01-08 | 长春工业大学 | Power generation device based on wind energy |
| CN113078847A (en) * | 2021-04-09 | 2021-07-06 | 国网江西省电力有限公司供电服务管理中心 | Breeze energy collector with full wind direction and wide working wind speed |
| CN113612408A (en) * | 2021-08-03 | 2021-11-05 | 西北工业大学太仓长三角研究院 | Self-speed-control non-contact type magnetic coupling piezoelectric wind energy collector |
| CN113629907A (en) * | 2021-08-07 | 2021-11-09 | 西北工业大学 | Piezoelectric-electromagnetic combined type power generation device for collecting energy of rotating shaft |
| CN114070129A (en) * | 2021-11-18 | 2022-02-18 | 郑州大学 | Rotation-driven composite energy capture device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107453647B (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107453647A (en) | Wide speed domain magnetic couple piezoelectricity wind energy collector | |
| Na et al. | Wind energy harvesting from a magnetically coupled piezoelectric bimorph cantilever array based on a dynamic magneto-piezo-elastic structure | |
| CN103684047B (en) | The rotary piezoelectric electromagnetism hybrid generator that a kind of wind-force drives | |
| CN102332843B (en) | Symmetric rotation piezoelectric generation device | |
| CN203654673U (en) | Piezoelectric power-generating floor | |
| US20120169063A1 (en) | Permanent magnet generator | |
| CN102723894A (en) | Rotary piezoelectric generation device | |
| US20140232240A1 (en) | Electroactive polymer energy converter | |
| CN107425753B (en) | Speed-increasing type wind power piezoelectric generation device | |
| KR101396522B1 (en) | Generator corotating rotator and stator | |
| CN202663322U (en) | Rotary piezoelectric power generating device | |
| CN113162460B (en) | Electrostatic rotary and linear reciprocating motion coupling energy collector | |
| CN102223106A (en) | Permanent-magnet pressure electronic power generator technology | |
| CN105756861A (en) | Low-wind-velocity bootable electromagnetic-piezoelectric composite type wind driven generator | |
| CN106856382B (en) | A kind of piezoelectric energy collecting device of rotatable movement and axial movement | |
| CN109617453B (en) | Energy acquisition device based on piezoelectric and magnetoelectric composite structure | |
| CN203482058U (en) | Coreless permanent-magnet wind driven generator with excellent low wind speed charging performance | |
| CN202443031U (en) | Wind power collection and wind speed measurement device based on magnetoelectric effect | |
| CN101483371A (en) | Speed regulating electricity generator with constant frequency | |
| Avirovik et al. | Miniature contactless piezoelectric wind turbine | |
| KR101042972B1 (en) | Power generation apparatus for multiple generator | |
| CN109149994B (en) | Generator with rotating structure | |
| Chirca et al. | Design optimization and prototyping of a double-rotor axial-flux spoke-type ferrite-magnet micro-wind generator | |
| CN201352752Y (en) | Permanent-magnet brushless variable speed constant voltage generator | |
| CN106712426B (en) | Each mutually independent five phases permanent-magnetic wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |