CN107872171A - A kind of piezoelectric vibration energy harvester - Google Patents
A kind of piezoelectric vibration energy harvester Download PDFInfo
- Publication number
- CN107872171A CN107872171A CN201711329366.3A CN201711329366A CN107872171A CN 107872171 A CN107872171 A CN 107872171A CN 201711329366 A CN201711329366 A CN 201711329366A CN 107872171 A CN107872171 A CN 107872171A
- Authority
- CN
- China
- Prior art keywords
- magnetic patch
- piezoelectric
- adjuster
- oscillator
- vibration energy
- 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
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000010355 oscillation Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 39
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000000919 ceramic Substances 0.000 claims description 9
- 229920006335 epoxy glue Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000005381 potential energy Methods 0.000 abstract description 16
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000750 progressive effect 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
Abstract
The invention discloses a kind of piezoelectric vibration energy harvester.The device includes piezoelectric oscillator, auxiliary oscillator, adjuster and pedestal.Piezoelectric oscillator and auxiliary oscillator form two-freedom piezoelectric oscillator；The oscillation amplitude of piezoelectric oscillator and the auxiliary oscillator can be adjusted by adjuster, piezoelectric oscillator is shown linearly or nonlinearly oscillating characteristic, produces monostable, bistable state and multistable vibration.Compared to single-degree-of-freedom multistable piezoelectric vibration energy collector, two-freedom multistable piezoelectric oscillator has wider, more shallow potential energy well, the working band of piezoelectric vibration energy collector can be widened, in the case where environmental excitation intensity is relatively low, piezoelectric vibration energy collector can also easily make the periodic vibration of amplitude, realize wideband, efficient ambient vibration energy acquisition.
Description
Technical field
The present invention relates to technical field of power generation, more particularly to a kind of piezoelectric vibration energy harvester.
Background technology
Piezoelectric vibration energy collector is a kind of novel electromechanical energy conversion device, be can be used for wireless sensor network
The power supply of node.It is many to be related to the patent application of piezoelectric vibration energy collector both at home and abroad, but the piezoelectric vibrator of these collectors
Mostly it is linear, and working band is narrow, energy conversion efficiency is relatively low.Bistable state piezoelectric vibration energy collector has double
Potential energy well characteristic, it can greatly improve the output performance of linear piezoelectric vibration energy collector.
The multistable piezoelectric vibration energy collector developed at present is single-mode system, generally by end carry magnet
Piezoelectric cantilever and multiple external magnets composition.The output performance of single-degree-of-freedom multistable piezoelectric vibration energy collector is still tight
The oscillation intensity in external environment condition is relied on again；When ambient vibration intensity is sufficiently large, multistable vibration, which is excited, produces big turn
Change output；When ambient vibration intensity is smaller, multistable piezoelectric vibration energy collector makees the small magnitude simple steady-state vibration in trap, this
Substantially reduce the output of piezoelectric vibration energy collector.
The content of the invention
It is an object of the invention to provide a kind of piezoelectric vibration energy harvester, piezoelectric vibration energy collector can be widened
Working band, in the case where environmental excitation intensity is relatively low, piezoelectric vibration energy collector can also easily make amplitude
Periodic vibration, realize wideband, efficient ambient vibration energy acquisition.
To achieve the above object, the invention provides following scheme：
A kind of piezoelectric vibration energy harvester, including piezoelectric oscillator, auxiliary oscillator, adjuster and pedestal；
The piezoelectric oscillator is fixed on the pedestal, and the piezoelectric oscillator, which is used to vibrate, produces simultaneously collecting energy；
The auxiliary oscillator is connected with the piezoelectric oscillator, and the auxiliary oscillator is used to aid in the piezoelectric vibration
Device vibrates；
The adjuster is fixed on the pedestal, and the adjuster is used to adjust the piezoelectric oscillator and described auxiliary
Help the oscillation amplitude of oscillator.
Optionally, the piezoelectric oscillator includes piezoelectric bimorph cantilever beam, metal derby, the first magnetic patch, the second magnetic patch, the 3rd
Magnetic patch and the 4th magnetic patch；The piezoelectric bimorph cantilever beam is fixed on the centre position of the first wallboard of the pedestal；It is described
The side of metal derby is arranged on the end of the piezoelectric bimorph cantilever beam；First magnetic patch and second magnetic patch are set respectively
In the first surface and second surface of the metal derby；3rd magnetic patch is arranged on the second wallboard of the pedestal, described
3rd magnetic patch is relative with first magnetic patch, and first magnetic patch is identical with the forward surface magnetic of the 3rd magnetic patch；Described
Four magnetic patch are arranged on the 3rd wallboard of the pedestal, and the 4th magnetic patch is relative with second magnetic patch, second magnetic patch
It is identical with the forward surface magnetic of the 4th magnetic patch；The metal derby, first magnetic patch, second magnetic patch, the described 3rd
Magnetic patch and the 4th magnetic patch are arranged in same vertical direction.
Optionally, the auxiliary oscillator includes metal cantilever beams, the 5th magnetic patch and the 6th magnetic patch；The metal cantilever
One end of beam is connected with the metal derby；5th magnetic patch is arranged on the other end of the metal cantilever beams；6th magnetic
Block is arranged on the 4th wallboard of the pedestal, and the 6th magnetic patch is relative with the 5th magnetic patch, the 5th magnetic patch and institute
The forward surface magnetic for stating the 6th magnetic patch is identical；The central point of 5th magnetic patch and the 6th magnetic patch is located on same axis.
Optionally, the adjuster includes the first sub- adjuster, the second sub- adjuster and the 3rd sub- adjuster；Described
One sub- adjuster is connected with the 3rd magnetic patch, and the first sub- adjuster is used to adjust first magnetic patch and the 3rd magnetic
The spacing of block；The second sub- adjuster is connected with the 4th magnetic patch, and the second sub- adjuster is used to adjust described second
The spacing of magnetic patch and the 4th magnetic patch；The 3rd sub- adjuster is connected with the 6th magnetic patch, the second sub- adjuster
For adjusting the spacing of the 5th magnetic patch and the 6th magnetic patch.
Optionally, the piezoelectric bimorph cantilever beam includes two panels piezoelectric ceramics and metal substrate；Two panels piezoelectric ceramics it is big
Small identical, polarised direction on the contrary, and each piezoelectric ceramics be separately positioned on the upper surface of the metal substrate, lower surface.
Optionally, the piezoelectric oscillator also includes the first tack coat and the second tack coat, first tack coat with
And second tack coat be made up of epoxy glue material；First tack coat is arranged on the of first magnetic patch and the metal derby
Between one surface；Second tack coat is arranged between second magnetic patch and the second surface of the metal derby.
Optionally, the auxiliary oscillator also includes the 3rd tack coat, and the 3rd tack coat is made up of epoxy glue material,
3rd tack coat is arranged among the 5th magnetic patch and the metal cantilever beams.
Optionally, the described first sub- adjuster, the second sub- adjuster and the 3rd sub- adjuster are separately positioned on the base
On second wallboard of seat, the 3rd wallboard and the 4th wallboard；On second wallboard of the pedestal, the 3rd wallboard and the 4th wallboard
It is equipped with screw thread mouth；Screw thread, the spiral shell are equipped with the first sub- adjuster, the second sub- adjuster and the 3rd sub- adjuster
Line mouth matches with the screw thread
Compared with prior art, the present invention has following technique effect：Piezoelectric oscillator and auxiliary oscillator form two certainly
By degree piezoelectric oscillator；The oscillation amplitude of piezoelectric oscillator and the auxiliary oscillator can be adjusted by adjuster, makes pressure
Electrical oscillator shows linearly or nonlinearly oscillating characteristic, produces monostable, bistable state and multistable vibration.Compared to list certainly
By degree multistable piezoelectric vibration energy collector, two-freedom multistable piezoelectric oscillator has wider, more shallow potential energy well, energy
The working band of piezoelectric vibration energy collector is enough widened, in the case where environmental excitation intensity is relatively low, piezoelectric vibration energy is adopted
Storage can also easily make the periodic vibration of amplitude, realize wideband, efficient ambient vibration energy acquisition.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of schematic diagram of piezoelectric vibration energy harvester provided in an embodiment of the present invention；
Fig. 2 is d1Potential energy diagram of the piezoelectric oscillator by simple steady-state vibration Mode change for bistable state vibration mode during change；
Fig. 3 is d1Piezoelectric oscillator is changed into the potential energy diagram of three-stable state vibration mode by bistable state vibration mode during change；
Fig. 4 is d2Piezoelectric oscillator is changed into the potential energy diagram of three-stable state vibration mode by bistable state vibration mode during change.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of piezoelectric vibration energy harvester, piezoelectric vibration energy collector can be widened
Working band, in the case where environmental excitation intensity is relatively low, piezoelectric vibration energy collector can also easily make amplitude
Periodic vibration, realize wideband, efficient ambient vibration energy acquisition.
Piezoelectric vibration energy harvester includes piezoelectric oscillator, auxiliary oscillator, adjuster and pedestal.
The piezoelectric oscillator is fixed on the pedestal, and the piezoelectric oscillator, which is used to vibrate, produces simultaneously collecting energy；
The auxiliary oscillator is connected with the piezoelectric oscillator, and the auxiliary oscillator is used to aid in the piezoelectric vibration
Device vibrates；
The adjuster is fixed on the pedestal, and the adjuster is used to adjust the piezoelectric oscillator and described auxiliary
Help the oscillation amplitude of oscillator.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
As shown in figure 1, the piezoelectric oscillator include piezoelectric bimorph cantilever beam 101, metal derby 102, the first magnetic patch 103,
Second magnetic patch 104, the 3rd magnetic patch 105 and the 4th magnetic patch 106.The piezoelectric bimorph cantilever beam 101 is fixed on the pedestal 3
On the centre position of first wallboard；The piezoelectric bimorph cantilever beam 101 includes two panels piezoelectric ceramics and metal substrate；Two panels piezoelectricity
Ceramics size is identical, polarised direction on the contrary, and each piezoelectric ceramics be separately positioned on the metal substrate upper surface, under
Surface.The side of the metal derby 102 is arranged on the end of the piezoelectric bimorph cantilever beam 101；First magnetic patch 103 and institute
State first surface and second surface that the second magnetic patch 104 is separately positioned on the metal derby 102.First magnetic patch 103 and institute
State and be provided with the first tack coat between the first surface of metal derby 102；The of second magnetic patch 104 and the metal derby 102
The second tack coat is provided between two surfaces, first tack coat and the second tack coat are made up of epoxy glue material.It is described
3rd magnetic patch 105 is arranged on the second wallboard of the pedestal 3, and the 3rd magnetic patch 105 is relative with first magnetic patch 103,
And first magnetic patch 103 it is identical with the forward surface magnetic of the 3rd magnetic patch 105.4th magnetic patch 106 is arranged on the pedestal 3
The 3rd wallboard on, the 4th magnetic patch 106 and second magnetic patch 104 are relative, and the second magnetic patch 104 and the 4th magnetic patch
106 forward surface magnetic is identical.The metal derby 102, first magnetic patch 103, second magnetic patch 104, the 3rd magnetic
Block 105 and the 4th magnetic patch 106 are arranged in same vertical direction.
The auxiliary oscillator includes metal cantilever beams 201, the 5th magnetic patch 202 and the 6th magnetic patch 203.The metal hangs
One end of arm beam 201 is connected by screw with the metal derby 102.5th magnetic patch 202 is arranged on the metal cantilever beams
201 other end；5th magnetic patch 202 among the metal cantilever beams 201 with being provided with the 3rd tack coat, the 3rd tack coat
It is made up of epoxy glue material.6th magnetic patch 203 is arranged on the 4th wallboard of the pedestal 3.6th magnetic patch 203 with it is described
5th magnetic patch 202 is relative, and the 5th magnetic patch 202 is identical with the forward surface magnetic of the 6th magnetic patch 203；5th magnetic
The central point of the magnetic patch 203 of block 202 and the 6th is located on same axis.
The adjuster includes the first sub- adjuster 301, the second sub- 302 and the 3rd sub- adjuster 303 of adjuster.It is described
First sub- adjuster 301 is connected with the 3rd magnetic patch 105, and the first sub- adjuster 301 is used to adjust first magnetic patch
The 103 and spacing d of the 3rd magnetic patch 1051.The second sub- adjuster 302 is connected with the 4th magnetic patch 106, and described
Two sub- adjusters 302 are used for the spacing d for adjusting second magnetic patch 104 and the 4th magnetic patch 1061.The 3rd son regulation
Device 303 is connected with the 6th magnetic patch 203, and the second sub- adjuster 303 is used to adjust the 5th magnetic patch 202 and described the
The spacing d of six magnetic patch 2032。
The first sub- adjuster 301, the second sub- 302 and the 3rd sub- adjuster 303 of adjuster are separately positioned on described
On second wallboard of pedestal 3, the 3rd wallboard and the 4th wallboard.The second wallboard, the 3rd wallboard and the 4th wall of the pedestal
Screw thread mouth is equipped with plate；It is all provided with the first sub- adjuster 301, the second sub- 303 and the 3rd sub- adjuster 304 of adjuster
There is screw thread, the screw thread mouth matches with the screw thread.
According to specific embodiment provided by the invention, the invention discloses following technique effect：Piezoelectric oscillator and auxiliary
Oscillator forms two-freedom piezoelectric oscillator；Spacing d can be adjusted by adjuster1And d2, and then change main bistable state piezoelectricity
The non-linear magnetic field repulsive force that oscillator and auxiliary bistable state metal oscillator end are subject to, shows system linear or non-thread
Property oscillating characteristic, produce monostable, bistable state and multistable vibration, realize wideband, efficient energy acquisition.
It is d shown in Fig. 22=51mm, d1=30,26,24.5 and 23mm, nondimensionalization parameter r is corresponded to respectively2=0.5, r1
When=0.7,1.2,1.6 and 2.0, the potential variation curve of piezoelectric oscillator.It can be found that with magnet spacing d1Gradually subtract
Small, piezoelectric oscillator gradually becomes bistable state vibration mode from simple steady-state vibration pattern, as shown by the arrows in figure 2.Bistable state is vibrated
Magnet spacing d in pattern1Be gradually reduced, the spacing between two potential energy wells A, B also gradually increases, this be advantageous to increase piezoelectricity
The output displacement and energy acquisition efficiency of oscillator.
It is d shown in Fig. 32=36mm, d1=30,26,24 and 23mm, nondimensionalization parameter r is corresponded to respectively2=2, r1=
0.7th, 1.2,1.8 and 2.0 when, piezoelectric oscillator by bistable state vibration mode be gradually transformed into three-stable state vibration mode potential energy become
Change curve.It can be found that with magnet spacing d1Be gradually reduced, piezoelectric oscillator gradually becomes three from bistable state vibration mode
Steady-state vibration pattern, as see arrows 17 in fig 3.In bistable state vibration mode, the spacing between two potential energy wells A, B is smaller, and
Potential energy well depth is larger, and the output performance for being unfavorable for collector improves.In three-stable state vibration mode, three potential energy wells C, D, E
Between spacing gradually increase, and potential energy well depth is gradually reduced, and this can make piezoelectric oscillator be shaken in less external drive
Under the conditions of dynamic, easily make the High-Energy Orbit motion of amplitude, so as to improve the output performance of collector.
It is d shown in Fig. 41=23mm, d2=100,38,34 and 32mm, nondimensionalization parameter r is corresponded to respectively1=2, r2=0,
1.5th, 2.5 and 3.0 when, the potential variation that piezoelectric oscillator is gradually transformed into three-stable state vibration mode by bistable state vibration mode is bent
Line.It can be found that with magnet spacing d2Be gradually reduced, piezoelectric oscillator gradually becomes three-stable state from bistable state vibration mode
Vibration mode, as shown in Fig. 4 arrows.In bistable state vibration mode, the spacing between two potential energy wells A, B is smaller, and potential energy
Well depth is larger, and the output performance for being unfavorable for collector improves.In three-stable state vibration mode, between three potential energy wells C, D, E
Spacing gradually increase, and potential energy well depth is gradually reduced, and this can make piezoelectric oscillator in less external drive vibrator bar
Under part, easily make the High-Energy Orbit motion of amplitude, so as to improve the output performance of collector.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content is not
It is interpreted as limitation of the present invention.
Claims (10)
- A kind of 1. piezoelectric vibration energy harvester, it is characterised in that including piezoelectric oscillator, auxiliary oscillator, adjuster with And pedestal；The piezoelectric oscillator is fixed on the pedestal, and the piezoelectric oscillator, which is used to vibrate, produces simultaneously collecting energy；The auxiliary oscillator is connected with the piezoelectric oscillator, and the auxiliary oscillator is used to aid in the piezoelectric oscillator to shake It is dynamic；The adjuster is fixed on the pedestal, and the adjuster is used to adjust the piezoelectric oscillator and the auxiliary is shaken Swing the oscillation amplitude of device.
- 2. piezoelectric vibration energy harvester according to claim 1, it is characterised in that the piezoelectric oscillator includes pressure Electrical twining cantilever beam, metal derby, the first magnetic patch, the second magnetic patch, the 3rd magnetic patch and the 4th magnetic patch；The piezoelectric bimorph cantilever beam It is fixed on the centre position of the first wallboard of the pedestal；The side of the metal derby is arranged on the piezoelectric bimorph cantilever beam End；First magnetic patch and second magnetic patch are separately positioned on the first surface and second surface of the metal derby；Institute The 3rd magnetic patch to be stated to be arranged on the second wallboard of the pedestal, the 3rd magnetic patch is relative with first magnetic patch, and described first Magnetic patch is identical with the forward surface magnetic of the 3rd magnetic patch；4th magnetic patch is arranged on the 3rd wallboard of the pedestal, institute State that the 4th magnetic patch is relative with second magnetic patch, second magnetic patch is identical with the forward surface magnetic of the 4th magnetic patch；It is described Metal derby, first magnetic patch, second magnetic patch, the 3rd magnetic patch and the 4th magnetic patch are arranged on same Vertical Square Upwards.
- 3. piezoelectric vibration energy harvester according to claim 2, it is characterised in that the auxiliary oscillator includes gold Belong to cantilever beam, the 5th magnetic patch and the 6th magnetic patch；One end of the metal cantilever beams is connected with the metal derby；5th magnetic Block is arranged on the other end of the metal cantilever beams；6th magnetic patch is arranged on the 4th wallboard of the pedestal, and described Six magnetic patch are relative with the 5th magnetic patch, and the 5th magnetic patch is identical with the forward surface magnetic of the 6th magnetic patch；Described 5th The central point of magnetic patch and the 6th magnetic patch is located on same axis.
- 4. piezoelectric vibration energy harvester according to claim 3, it is characterised in that the adjuster includes the first son Adjuster, the second sub- adjuster and the 3rd sub- adjuster；The first sub- adjuster is connected with the 3rd magnetic patch, and described One sub- adjuster is used for the spacing for adjusting first magnetic patch and the 3rd magnetic patch；The second sub- adjuster and the described 4th Magnetic patch connects, and the second sub- adjuster is used for the spacing for adjusting second magnetic patch and the 4th magnetic patch；3rd son Adjuster is connected with the 6th magnetic patch, and the second sub- adjuster is used to adjust the 5th magnetic patch and the 6th magnetic patch Spacing.
- A kind of 5. piezoelectric vibration energy harvester according to claim 2, it is characterised in that the piezoelectric bimorph cantilever Beam includes two panels piezoelectric ceramics and metal substrate；The size of two panels piezoelectric ceramics is identical, polarised direction is on the contrary, and each piezoelectricity Ceramics are separately positioned on the upper surface of the metal substrate, lower surface.
- 6. a kind of piezoelectric vibration energy harvester according to claim 2, it is characterised in that the piezoelectric oscillator is also Including the first tack coat and the second tack coat, first tack coat is arranged on the of first magnetic patch and the metal derby Between one surface；Second tack coat is arranged between second magnetic patch and the second surface of the metal derby.
- A kind of 7. piezoelectric vibration energy harvester according to claim 6, it is characterised in that first tack coat with And second tack coat be made up of epoxy glue material.
- 8. a kind of piezoelectric vibration energy harvester according to claim 3, it is characterised in that the auxiliary oscillator is also Including the 3rd tack coat, the 3rd tack coat is arranged among the 5th magnetic patch and the metal cantilever beams.
- 9. a kind of piezoelectric vibration energy harvester according to claim 8, it is characterised in that the 3rd tack coat is Epoxy glue material is made.
- A kind of 10. piezoelectric vibration energy harvester according to claim 4, it is characterised in that the first son regulation Device, the second sub- adjuster and the 3rd sub- adjuster are separately positioned on the second wallboard of the pedestal, the 3rd wallboard and the 4th On wallboard；Screw thread mouth is equipped with second wallboard of the pedestal, the 3rd wallboard and the 4th wallboard；The first son regulation Screw thread is equipped with device, the second sub- adjuster and the 3rd sub- adjuster, the screw thread mouth matches with the screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329366.3A CN107872171B (en) | 2017-12-13 | 2017-12-13 | A kind of piezoelectric vibration energy acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329366.3A CN107872171B (en) | 2017-12-13 | 2017-12-13 | A kind of piezoelectric vibration energy acquisition device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107872171A true CN107872171A (en) | 2018-04-03 |
| CN107872171B CN107872171B (en) | 2019-07-12 |
Family
ID=61755762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711329366.3A Expired - Fee Related CN107872171B (en) | 2017-12-13 | 2017-12-13 | A kind of piezoelectric vibration energy acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107872171B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687763A (en) * | 2019-01-16 | 2019-04-26 | 江苏大学 | A kind of piezoelectricity and Electromagnetic heating formula power supply unit towards wireless sensor |
| CN110048640A (en) * | 2019-04-17 | 2019-07-23 | 上海大学 | A kind of piezoelectric energy collector for collecting body kinetic energy |
| CN111342699A (en) * | 2020-04-01 | 2020-06-26 | 太原理工大学 | Dynamic magnetic coupling-based galloping energy collection device |
| CN112187097A (en) * | 2020-09-07 | 2021-01-05 | 江苏大学 | Symmetrical structure vibration energy collecting device |
| CN112953303A (en) * | 2021-04-01 | 2021-06-11 | 西华师范大学 | Nonlinear rotation type broadband energy collector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2522216A1 (en) * | 1982-02-25 | 1983-08-26 | Toshiiku Sashida | MOTOR DEVICE USING ULTRASONIC OSCILLATION |
| JP2014007950A (en) * | 2012-06-21 | 2014-01-16 | General Electric Co <Ge> | Tunable vibration energy harvester and method |
| CN104702147A (en) * | 2015-04-03 | 2015-06-10 | 南京信息工程大学 | Combined type broadband vibration energy collector |
| CN105610347A (en) * | 2016-03-17 | 2016-05-25 | 浙江工商大学 | Non-linear wideband piezoelectric vibration energy collector |
| US20160254437A1 (en) * | 2014-09-24 | 2016-09-01 | Beijing University Of Technology | Bistable Piezoelectric Cantilever Vibration Energy Generator Based on Spherical Composite Structure and Partial Separation of Different Layers |
| CN106123914A (en) * | 2016-06-15 | 2016-11-16 | 浙江师范大学 | A kind of self-powered vehicle positioning is followed the tracks of and alarm device |
| CN205748409U (en) * | 2016-06-15 | 2016-11-30 | 浙江师范大学 | A kind of self-powered vehicle positioning is followed the tracks of and alarm device |
-
2017
- 2017-12-13 CN CN201711329366.3A patent/CN107872171B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2522216A1 (en) * | 1982-02-25 | 1983-08-26 | Toshiiku Sashida | MOTOR DEVICE USING ULTRASONIC OSCILLATION |
| JP2014007950A (en) * | 2012-06-21 | 2014-01-16 | General Electric Co <Ge> | Tunable vibration energy harvester and method |
| US20160254437A1 (en) * | 2014-09-24 | 2016-09-01 | Beijing University Of Technology | Bistable Piezoelectric Cantilever Vibration Energy Generator Based on Spherical Composite Structure and Partial Separation of Different Layers |
| CN104702147A (en) * | 2015-04-03 | 2015-06-10 | 南京信息工程大学 | Combined type broadband vibration energy collector |
| CN105610347A (en) * | 2016-03-17 | 2016-05-25 | 浙江工商大学 | Non-linear wideband piezoelectric vibration energy collector |
| CN106123914A (en) * | 2016-06-15 | 2016-11-16 | 浙江师范大学 | A kind of self-powered vehicle positioning is followed the tracks of and alarm device |
| CN205748409U (en) * | 2016-06-15 | 2016-11-30 | 浙江师范大学 | A kind of self-powered vehicle positioning is followed the tracks of and alarm device |
Non-Patent Citations (1)
| Title |
|---|
| 展永政，王光庆: ""双自由度压电振动能量采集器的力_电输出特性分析"", 《振动工程学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687763A (en) * | 2019-01-16 | 2019-04-26 | 江苏大学 | A kind of piezoelectricity and Electromagnetic heating formula power supply unit towards wireless sensor |
| CN110048640A (en) * | 2019-04-17 | 2019-07-23 | 上海大学 | A kind of piezoelectric energy collector for collecting body kinetic energy |
| CN111342699A (en) * | 2020-04-01 | 2020-06-26 | 太原理工大学 | Dynamic magnetic coupling-based galloping energy collection device |
| CN112187097A (en) * | 2020-09-07 | 2021-01-05 | 江苏大学 | Symmetrical structure vibration energy collecting device |
| CN112953303A (en) * | 2021-04-01 | 2021-06-11 | 西华师范大学 | Nonlinear rotation type broadband energy collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107872171B (en) | 2019-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107872171A (en) | A kind of piezoelectric vibration energy harvester | |
| US7498719B2 (en) | Small piezoelectric or electrostrictive linear motor | |
| CN108400724A (en) | A kind of piezoelectric vibration energy harvester | |
| CN105207524A (en) | Semi-active frequency modulation vibration energy capturer | |
| JP2001157433A (en) | Vibration power-generating device by fluid | |
| CN102594205A (en) | Vertical and horizontal compound excitation type piezoelectric energy harvester | |
| CN108832842B (en) | Frequency-raising type piezoelectric generator for collecting horizontal direction ultralow frequency vibration energy | |
| CN107508495A (en) | A kind of piezoelectricity electromagnetic vibration power generation device | |
| CN109995270A (en) | A kind of more beam piezoelectric energy trapping devices of magnetic coupling and its bistable state implementation method | |
| CN108712108A (en) | A kind of bistable state piezoelectric vibration energy collector array apparatus | |
| Zhang et al. | Performance dependence on initial free-end levitation of a magnetically levitated piezoelectric vibration energy harvester with a composite cantilever beam | |
| CN105610347A (en) | Non-linear wideband piezoelectric vibration energy collector | |
| CN202524322U (en) | Vertical and horizontal compound excitation type piezoelectric energy harvester | |
| CN106856381B (en) | A kind of double fork cantilever beam piezoelectric energy collecting devices of beaming type bistable state bending | |
| CN212055309U (en) | Blade platform, resonant fan structure and resonant fan | |
| CN202364155U (en) | Multi-degree-of-freedom ultrasonic motor with spherical-crown-shaped rotor | |
| CN109687767B (en) | Frequency-adjustable magnetic excitation rotating piezoelectric generator | |
| CN111525837A (en) | Single-beam array type piezoelectric-electromagnetic combined vibration energy collecting device | |
| CN101412020A (en) | Combined wide-band actuator system and actuator thereof | |
| CN108462403B (en) | Double-working-mode broadband bistable piezoelectric power generation device | |
| CN110071659A (en) | A kind of T-type piezoelectric generating device and three-stable state implementation method | |
| CN112886866B (en) | Low-frequency pre-tightening type bistable vibration energy collector and manufacturing method thereof | |
| CN106514278A (en) | Two-dimensional high-frequency micro-amplitude vibrator based on flexible parallel mechanism | |
| CN208226898U (en) | A kind of piezoelectric vibration energy acquisition device | |
| CN108964519A (en) | A kind of plate-type energy capture structure and method based on RL resonant circuit |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20191213 |