CN107834904A - A kind of magnetic couple piezoelectricity Electromagnetic heating energy accumulator and its prisoner can methods - Google Patents
A kind of magnetic couple piezoelectricity Electromagnetic heating energy accumulator and its prisoner can methods Download PDFInfo
- Publication number
- CN107834904A CN107834904A CN201711191133.1A CN201711191133A CN107834904A CN 107834904 A CN107834904 A CN 107834904A CN 201711191133 A CN201711191133 A CN 201711191133A CN 107834904 A CN107834904 A CN 107834904A
- Authority
- CN
- China
- Prior art keywords
- magnet
- rotor
- translation
- magnetic
- armature spindle
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000005381 potential energy Methods 0.000 claims abstract description 9
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 230000006698 induction Effects 0.000 claims description 17
- 230000005674 electromagnetic induction Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 241000237858 Gastropoda Species 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 6
- 229910052742 iron Inorganic materials 0.000 claims 3
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 11
- 238000004377 microelectronic Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035807 sensation Effects 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
Abstract
Can method the invention discloses a kind of magnetic couple piezoelectricity Electromagnetic heating energy accumulator and its prisoner.The piezoelectric harvester of conventional cantilever beam structure can not bear top load；Big cymbals shape structure can bear high load, but generating efficiency is low under low frequency environments.For the present invention when low frequency ambient pressure drives, suspension magnet pad produces deformation, drives translation magnet down to move；Rotor magnet is formed circumferentially distributed potential energy multistable by the magneticaction of translation magnet；Disturb magnet and adjust circumferential potential-energy function potential well distribution and barrier height, when ambient pressure, which exceedes, overcomes pressure value needed for barrier height, rotor magnet high frequency rotational under ambient pressure effect, this is a raising frequency；Piezoelectric cantilever, with moving tooth collision rift dither, is realized secondary up-conversion, generated electricity using piezo-electric effect under armature spindle drive；After raising frequency twice, the impact force enhancing of piezoelectric cantilever and moving tooth, interval time shortening is collided, collection is more to swing energy, and raising power output, widening effective prisoner can frequency band.
Description
Technical field
It is more particularly to a kind of applied to low the present invention relates to a kind of energy collecting device being applied under low-frequency vibration environment
The piezoelectricity Electromagnetic heating prisoner that high load can be held under frequency vibration environment can device.
Background technology
With the development of Internet of Things and the popularization of portable electric appts, the energy supply of microelectronic product (such as wireless senser)
It is a big problem.Current most microelectronic product is all to provide electric energy using traditional battery, short life, Chang Geng be present
Change and not environmentally the problems such as, it is difficult to meet the needs of microelectronic product high speed development.The energy in environment has vibrational energy, the sun
Energy, wind energy, thermal gradient energy, radio-frequency radiation energy, noise etc..Wherein, vibrational energy is widely present in practice in daily life and engineering, no
Easily influenceed by factors such as position, weather, and there is higher energy density, therefore increasing scholar and expert endeavour
The vibrational energy in environment is captured in research and is converted into electric energy, is energized as a kind of alternative energy source for microelectronic product.
Different according to energy conversion principle, vibration energy accumulator can be divided into piezoelectric type, electromagnetic type, electrostatic and magnetostriction type
Etc. type.Piezoelectric type and electromagnetic type energy accumulator all have higher electromechanical coupling factor, it is simple in construction, be easily worked, and not
The features such as needing external power supply, energy mechanism combination is captureed by two kinds, propose piezoelectricity Electromagnetic heating prisoner's energy device, can widen and capture energy frequency
Band, improve power output.
Although piezoelectric harvester prisoner's energy efficiency high of traditional cantilever beam structure, can not bear top load；Big cymbals shape
Structure can bear high load, but its intrinsic frequency is high, and generating efficiency is low under low frequency environments.
The content of the invention
The purpose of the present invention is that in view of the shortcomings of the prior art, proposition is a kind of can both to bear high load, while in low frequency ring
The energy accumulator of efficiency power generation and its prisoner can methods under border.
The present invention solves technical problem and adopted the technical scheme that：
A kind of magnetic couple piezoelectricity Electromagnetic heating energy accumulator of the present invention, including translation magnet, suspension magnet pad, stator,
Moving tooth, rotor magnet, piezoelectric cantilever, deep groove ball bearing, rotor, induction coil and disturbance magnet.Described stator includes one
Body formed price fixing and stator casing, price fixing are arranged in stator casing；Suspension magnet pad is provided with and is integrally formed and circumferentially
Uniform multi-disc lug；Described lug is welded on stator casing；The n pieces being evenly distributed are fixed with suspension magnet pad
Translation magnet, n >=4；Described rotor includes integrally formed armature spindle and rotating disk；Armature spindle is supported on price fixing by bearing
On；The n piece rotor magnets being evenly distributed are fixed with rotating disk；Circumferentially direction, every rotor magnet and a piece of translation magnet
Position correspondence；The magnetic pole of rotor magnet and translation magnet is radially arranged, and polarity identical magnetic pole is towards unanimously；Described turns
Moving magnet peace moving magnet is in fan annular, and on same cross section, the center of circle of rotor magnet peace moving magnet is and armature spindle
The center of circle overlap；The n root piezoelectric cantilevers being evenly distributed are fixed with armature spindle；Stator casing inwall is fixed with circumferentially equal
N moving tooth of cloth；The axial location of moving tooth relative rotor axle is corresponding with the axial location of piezoelectric cantilever relative rotor axle；Rotor
On Axial and radial direction, the distance in moving tooth and armature spindle axle center is less than the distance of piezoelectric cantilever outer end end face and armature spindle axle center；
The multiple induction coils being evenly distributed are fixed with price fixing；Two blocks of disturbance magnet are each attached on stator casing；Described disturbs
Moving magnet is semi-cylindrical, and cambered surface is set towards armature spindle；Disturb the cambered surface magnetic pole and rotor magnet or translation magnet of magnet
Opposite end magnetic pole it is identical.
The both ends end face of the disturbance magnet is concordant with the both ends end face difference of rotor magnet.
Described suspension magnetic insert uses elastomeric material.
Described induction coil is in snail shape.
On same cross section, on the circumference using rotor axis center as the center of circle, the central angle folded by two blocks of disturbance magnet is
120°。
Prisoner's energy method of the magnetic couple piezoelectricity Electromagnetic heating energy accumulator, it is specific as follows：
When being driven by low frequency ambient pressure, suspension magnet pad produces deformation, drives translation magnet down to move.It is flat
There is peripheral force and axial force in the repulsion magnetic force between moving magnet and rotor magnet, axial force is used to support ambient pressure, circumferential
Power drives rotor magnet to rotate, and rotor magnet is formed circumferentially distributed potential energy multistable by the magneticaction of translation magnet；Disturbance
The magnetic pole of magnet radially inwards is identical with the opposite end magnetic pole of rotor magnet or translation magnet, and disturbance magnet, which is used to adjust, to be rotated
Magnet circumference potential-energy function potential well is distributed and barrier height, when ambient pressure, which exceedes, overcomes pressure value needed for barrier height, turns
Under ambient pressure effect high frequency rotational occurs for moving magnet, and this is a raising frequency.Rotor driven axle rotates when rotor magnet rotates.
Under the drive of armature spindle with moving tooth collision rift dither occurs for piezoelectric cantilever, realizes secondary up-conversion, utilizes piezoelectricity
Effect generates electricity.Rotor magnet and induction coil produce relative motion, are generated electricity using faraday electromagnetic induction effect.By rising twice
After frequency, the impact force enhancing of piezoelectric cantilever and moving tooth, collision interval time shortens, and rotor magnet relative induction coil rotates speed
Degree improves, and collects more vibrational energies, improves power output, and widening effectively prisoner can frequency band.
The device have the advantages that：
Low frequency ambient pressure (is particularly by the present invention using mutual exclusion magnet and piezoelectric cantilever and the form of moving tooth collision
Height carries low frequency ambient pressure) rotor magnet high frequency rotational and piezoelectric beam dither are converted into, up-conversion twice is realized, is utilized
Piezo-electric effect and electromagnetic induction, which will move, can be converted into electric energy.Rotor magnet is multistable by the magneticaction formation potential energy of translation magnet
State；Realize that the high frequency of armature spindle significantly rotates when ambient pressure exceedes certain threshold value, the impact force of piezoelectric cantilever and moving tooth
Enhancing, collision interval shorten, and rotor magnet relative induction coil velocity of rotation improves, and collects more vibrational energies, improve
Power output, widening effectively prisoner can frequency band.
Brief description of the drawings
Fig. 1 is the half-sectional stereogram of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the initial position schematic diagram of piezoelectric cantilever and moving tooth in the present invention；
Fig. 4 is translation magnet in the present invention, rotor magnet and the location diagram for disturbing magnet；
Fig. 5 is assembling schematic diagram of the induction coil on stator in the present invention.
Embodiment
The present invention is elaborated below in conjunction with accompanying drawing.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of magnetic couple piezoelectricity Electromagnetic heating energy accumulator, including it is translation magnet 1, outstanding
Floating magnet pad 2, stator, moving tooth 4, rotor magnet 5, piezoelectric cantilever 6, deep groove ball bearing 7, rotor, induction coil 9 and disturbance
Magnet 10.Stator includes integrally formed price fixing and stator casing 3, and price fixing is arranged in stator casing 3；Suspension magnet pad 2
Provided with four lugs for being integrally formed and being evenly distributed；Lug is welded on stator casing 3；Suspension magnetic insert uses elastic material
Material, can bear top load；Six translation magnet 1 being evenly distributed are fixed with suspension magnet pad 2；Rotor include one into
The armature spindle 8 and rotating disk of type；Armature spindle 8 is supported on price fixing by deep groove ball bearing 7；It is fixed with what is be evenly distributed on rotating disk
Six rotor magnets 5；Circumferentially direction, every rotor magnet 5 and a piece of position correspondence of translation magnet 1；Rotor magnet and translation
The magnetic pole of magnet is radially arranged, and polarity identical magnetic pole direction is consistent, each other by mutually exclusive magneticaction；Rotor magnet
5 peaceful moving magnets 1 are in fan annular, and on same cross section, the center of circle for fanning ring overlaps with the center of circle of armature spindle 8；On armature spindle 8
It is fixed with the six roots of sensation piezoelectric cantilever 6 being evenly distributed；The inwall of stator casing 3 is fixed with six moving teeth 4 being evenly distributed；Dial
The axial location of the relative rotor axle 8 of tooth 1 is corresponding with the axial location of the relative rotor axle 8 of piezoelectric cantilever 6；The radial direction side of armature spindle 8
Upwards, the distance in moving tooth 4 and the axle center of armature spindle 8 is less than the distance of the outer end end face of piezoelectric cantilever 6 and the axle center of armature spindle 8；Price fixing
On be fixed with six induction coils 9 being evenly distributed；Two blocks of disturbance magnet 10 are each attached on stator casing 3；Disturb magnet
10 be semi-cylindrical, and cambered surface is set towards armature spindle 8；Disturb the cambered surface magnetic pole and rotor magnet 5 or translation magnet 1 of magnet 10
Opposite end magnetic pole it is identical；The both ends end face for disturbing magnet 10 is concordant with the both ends end face difference of rotor magnet 5；Same cross section
On, on the circumference using the center of armature spindle 8 as the center of circle, the central angle folded by two blocks of disturbance magnet 10 is 120 °.
With reference to Fig. 5, apparatus of the present invention are mini components, and traditional induction coil is carried by increasing the number of turn of coil
High generation efficiency, this is not applied in apparatus of the present invention.The induction coil 8 of apparatus of the present invention is in snail shape, increases coil
Sectional area, improve electromagnetic induction generating efficiency.
Prisoner's energy method of the magnetic couple piezoelectricity Electromagnetic heating energy accumulator, it is specific as follows：
When being a (a by frequency<When low frequency ambient pressure 30Hz) drives, suspension magnet pad 2 produces deformation, drives
Translation magnet 1 down moves.Peripheral force and axial force, axial force be present in the repulsion magnetic force between translation magnet 1 and rotor magnet 5
For supporting ambient pressure, peripheral force drives rotor magnet 5 to rotate, and rotor magnet 5 is formed week by the magneticaction of translation magnet 1
To the potential energy multistable of distribution；Disturb the magnetic pole of magnet 10 radially inwards and rotor magnet 5 or the opposite end magnetic of translation magnet 1
Extremely identical, disturbance magnet 10 is used to adjust the circumferential potential-energy function potential well distribution of rotor magnet 5 and barrier height, when ambient pressure surpasses
Cross when overcoming pressure value needed for barrier height, under ambient pressure effect significantly high frequency (2a~10a Hz) can occur for rotor magnet
Rotate, this is a raising frequency.Rotor driven axle 8 rotates when rotor magnet rotates.Piezoelectric cantilever 6 is under the drive of armature spindle 8
High-speed rotation, vibrated with the collision rift high frequency of moving tooth 4 (being more than a Hz), realize secondary up-conversion, generated electricity using piezo-electric effect.Turn
Moving magnet 5 and induction coil 9 produce relative motion, are generated electricity using faraday electromagnetic induction effect.After raising frequency twice, piezoelectricity
The impact force of cantilever beam 6 and moving tooth 4 strengthens, and collision interval time shortens, and rotor magnet relative induction coil velocity of rotation improves,
More vibrational energies are collected, improve power output, widening effectively prisoner can frequency band.
Claims (6)
1. a kind of magnetic couple piezoelectricity Electromagnetic heating energy accumulator, including translation magnet, suspension magnet pad, stator, moving tooth, rotation
Magnet, piezoelectric cantilever, deep groove ball bearing, rotor, induction coil and disturbance magnet, it is characterised in that：Described stator includes
Integrally formed price fixing and stator casing, price fixing are arranged in stator casing；Suspension magnet pad, which is provided with, to be integrally formed and along week
To uniform multi-disc lug；Described lug is welded on stator casing；The n being evenly distributed is fixed with suspension magnet pad
Piece translation magnet, n >=4；Described rotor includes integrally formed armature spindle and rotating disk；Armature spindle is supported on price fixing by bearing
On；The n piece rotor magnets being evenly distributed are fixed with rotating disk；Circumferentially direction, every rotor magnet and a piece of translation magnet
Position correspondence；The magnetic pole of rotor magnet and translation magnet is radially arranged, and polarity identical magnetic pole is towards unanimously；Described turns
Moving magnet peace moving magnet is in fan annular, and on same cross section, the center of circle of rotor magnet peace moving magnet is and armature spindle
The center of circle overlap；The n root piezoelectric cantilevers being evenly distributed are fixed with armature spindle；Stator casing inwall is fixed with circumferentially equal
N moving tooth of cloth；The axial location of moving tooth relative rotor axle is corresponding with the axial location of piezoelectric cantilever relative rotor axle；Rotor
On Axial and radial direction, the distance in moving tooth and armature spindle axle center is less than the distance of piezoelectric cantilever outer end end face and armature spindle axle center；
The multiple induction coils being evenly distributed are fixed with price fixing；Two blocks of disturbance magnet are each attached on stator casing；Described disturbs
Moving magnet is semi-cylindrical, and cambered surface is set towards armature spindle；Disturb the cambered surface magnetic pole and rotor magnet or translation magnet of magnet
Opposite end magnetic pole it is identical.
A kind of 2. magnetic couple piezoelectricity Electromagnetic heating energy accumulator according to claim 1, it is characterised in that：The disturbance magnetic
The both ends end face of iron is concordant with the both ends end face difference of rotor magnet.
A kind of 3. magnetic couple piezoelectricity Electromagnetic heating energy accumulator according to claim 1, it is characterised in that：Described suspension
Magnetic insert uses elastomeric material.
A kind of 4. magnetic couple piezoelectricity Electromagnetic heating energy accumulator according to claim 1, it is characterised in that：Described sensing
Coil is in snail shape.
A kind of 5. magnetic couple piezoelectricity Electromagnetic heating energy accumulator according to claim 1, it is characterised in that：Same cross section
On, on the circumference using rotor axis center as the center of circle, the central angle folded by two blocks of disturbance magnet is 120 °.
6. a kind of prisoner's energy method of magnetic couple piezoelectricity Electromagnetic heating energy accumulator according to any of Claims 1 to 5,
It is characterized in that：This method is specific as follows：
When being driven by low frequency ambient pressure, suspension magnet pad produces deformation, drives translation magnet down to move；Translation magnetic
There is peripheral force and axial force in the repulsion magnetic force between iron and rotor magnet, axial force is used to support ambient pressure, and peripheral force drives
Rotate rotor magnet, rotor magnet is formed circumferentially distributed potential energy multistable by the magneticaction of translation magnet；Disturb magnet
Magnetic pole radially inwards is identical with the opposite end magnetic pole of rotor magnet or translation magnet, and disturbance magnet is used to adjust rotor magnet
Circumferential potential-energy function potential well distribution and barrier height, when ambient pressure, which exceedes, overcomes pressure value needed for barrier height, rotate magnetic
Under ambient pressure effect high frequency rotational occurs for iron, and this is a raising frequency；Rotor driven axle rotates when rotor magnet rotates；Piezoelectricity
Under the drive of armature spindle with moving tooth collision rift dither occurs for cantilever beam, realizes secondary up-conversion, utilizes piezo-electric effect
Generate electricity；Rotor magnet and induction coil produce relative motion, are generated electricity using faraday electromagnetic induction effect；Pass through raising frequency twice
Afterwards, the impact force of piezoelectric cantilever and moving tooth strengthens, and collision interval time shortens, rotor magnet relative induction coil velocity of rotation
Improve, collect more vibrational energies, improve power output, widening effectively prisoner can frequency band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191133.1A CN107834904B (en) | 2017-11-24 | 2017-11-24 | Magnetically coupled piezoelectric electromagnetic composite energy harvester and energy harvesting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191133.1A CN107834904B (en) | 2017-11-24 | 2017-11-24 | Magnetically coupled piezoelectric electromagnetic composite energy harvester and energy harvesting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107834904A true CN107834904A (en) | 2018-03-23 |
| CN107834904B CN107834904B (en) | 2023-09-22 |
Family
ID=61652516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711191133.1A Active CN107834904B (en) | 2017-11-24 | 2017-11-24 | Magnetically coupled piezoelectric electromagnetic composite energy harvester and energy harvesting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107834904B (en) |
Cited By (3)
| 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 |
| CN110649763A (en) * | 2019-09-26 | 2020-01-03 | 西安电子科技大学 | Electromagnetic energy harvester for converting vibration or linear reciprocating motion into rotary motion |
| CN113258827A (en) * | 2021-05-10 | 2021-08-13 | 哈尔滨工业大学 | Rotary piezoelectric and electromagnetic array combined energy harvester |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199738A (en) * | 2013-02-28 | 2013-07-10 | 北京理工大学 | Piezoelectricity-piezoelectricity combined type broadband energy harvester based on micro-electro-mechanical system (MEMS) technology |
| CN106877740A (en) * | 2017-03-22 | 2017-06-20 | 武汉理工大学 | Combined type energy accumulator |
| CN106887973A (en) * | 2017-04-05 | 2017-06-23 | 南京邮电大学 | A kind of parallel composite beam piezoelectricity electromagnetism prisoner based on magneticaction can device |
-
2017
- 2017-11-24 CN CN201711191133.1A patent/CN107834904B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199738A (en) * | 2013-02-28 | 2013-07-10 | 北京理工大学 | Piezoelectricity-piezoelectricity combined type broadband energy harvester based on micro-electro-mechanical system (MEMS) technology |
| CN106877740A (en) * | 2017-03-22 | 2017-06-20 | 武汉理工大学 | Combined type energy accumulator |
| CN106887973A (en) * | 2017-04-05 | 2017-06-23 | 南京邮电大学 | A kind of parallel composite beam piezoelectricity electromagnetism prisoner based on magneticaction can device |
Cited By (4)
| 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 |
| CN110649763A (en) * | 2019-09-26 | 2020-01-03 | 西安电子科技大学 | Electromagnetic energy harvester for converting vibration or linear reciprocating motion into rotary motion |
| CN110649763B (en) * | 2019-09-26 | 2021-07-23 | 西安电子科技大学 | Electromagnetic type energy harvester |
| CN113258827A (en) * | 2021-05-10 | 2021-08-13 | 哈尔滨工业大学 | Rotary piezoelectric and electromagnetic array combined energy harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107834904B (en) | 2023-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102723894B (en) | Rotary piezoelectric generation device | |
| CN107834904A (en) | A kind of magnetic couple piezoelectricity Electromagnetic heating energy accumulator and its prisoner can methods | |
| CN103259452B (en) | Shaft-end overhung piezoelectric cantilever beam electric generator | |
| CN103269181B (en) | A kind of suspending hammer self-excitation wheel-type electric generator | |
| KR20160042134A (en) | Mobile induction and power-generation device | |
| CN102255557A (en) | Rotary piezoelectric generation device | |
| CN103684047B (en) | The rotary piezoelectric electromagnetism hybrid generator that a kind of wind-force drives | |
| CN103248269B (en) | Wheel-type piezoelectric beam generator based on clamping limit | |
| CN203313094U (en) | Piezoelectric cantilever beam generator for wind driven generator blade monitoring system | |
| JP2013514054A (en) | Magnetic levitation flywheel energy storage system with magnetic drive | |
| CN103259453A (en) | Piezoelectric cantilever beam generator for wind driven generator blade monitoring system | |
| CN107956646B (en) | Piezoelectric wind energy acquisition device applied to high-voltage power grid | |
| CN110112954B (en) | Wind power rotary type piezoelectric-electromagnetic composite power generation device | |
| CN208820704U (en) | A kind of piezoelectricity wind power generation plant of magnet excitation | |
| CN105932899B (en) | No basal electrode electret electrostatic generator and the method for manufacturing the electret | |
| CN110649763B (en) | Electromagnetic type energy harvester | |
| CN110492788A (en) | A kind of multi-direction vibration prisoner energy device of the up-conversion of piezoelectricity-electromagnetic coupling | |
| US20170005560A1 (en) | Flux focusing magnetic gear assembly using ferrite magnets or the like | |
| CN110504860B (en) | Stack type rotary electrostatic generator | |
| CN103269182A (en) | Overhanging type rotating generator based on piezoelectric cantilever mutual excitation | |
| Lin et al. | A rotational wearable energy harvester for human motion | |
| JP5594853B2 (en) | Disc type coaxial inversion generator and wind power generator using the disc type coaxial inversion generator | |
| CN207490794U (en) | A kind of magnetic coupling piezoelectricity Electromagnetic heating energy accumulator | |
| CN102118098A (en) | Ring-type liquid metal magnetic fluid generating device | |
| JP5505749B1 (en) | Rotating device for power 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 |