CN109450293A - A kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth - Google Patents
A kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth Download PDFInfo
- Publication number
- CN109450293A CN109450293A CN201811474355.9A CN201811474355A CN109450293A CN 109450293 A CN109450293 A CN 109450293A CN 201811474355 A CN201811474355 A CN 201811474355A CN 109450293 A CN109450293 A CN 109450293A
- Authority
- CN
- China
- Prior art keywords
- piezoelectric
- cantilever beam
- excitation
- linear
- permanent magnet
- 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.)
- Pending
Links
- 230000005284 excitation Effects 0.000 title claims abstract description 17
- 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 10
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 238000010248 power generation Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims description 4
- 230000007717 exclusion Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance 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
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of non-linear piezoelectric generating devices towards two-way excitation in length and breadth, can realize two-way Non-Linear Vibration piezo-electric generating under vertical and horizontal excitation respectively.The device includes pedestal, a pair of cantilever beam piezoelectric vibrators for being mutually perpendicular to installation and a pair of of permanent magnet.The pedestal is used to cantilever mounted beam piezoelectric vibrator, and the cantilever beam piezoelectric vibrators are made of supporting layer and piezoelectric ceramic piece, and the piezoelectric ceramic piece is symmetrically pasted onto supporting layer two sides, and the permanent magnet is fixed on cantilever beam piezoelectric vibrators free end.The pair of permanent magnet causes to indulge (cross) to piezoelectric vibrator generation Non-Linear Vibration power generation due to mutual magneticaction.The present invention provides a kind of novel non-linearity piezo-electric generating modes for causing direction vibration by unidirectionally motivating, and can realize conversion of the mechanical vibrational energy to electric energy respectively in the case where vertical and horizontal vibrate source forcing, can satisfy the energy requirement of low power consumption electronic product.The configuration of the present invention is simple, mode are novel, can effectively improve piezo-electric generating efficiency.
Description
Technical field
The invention belongs to vibrate field of piezoelectric generation, it is related to a kind of pressure that two-way power generation is carried out using one-way excitation in length and breadth
Electric power generator.
Background technique
Silicon Valley industry was fast-developing in recent years, the wireless sensings such as MEMS (MEMS), low-power-consumption embedded technology
Device technology is increasingly intended to integrated, intelligent, micromation.Therefore, industry is energized to it also proposed higher demand, but
Be since traditional energy supply industry is stagnated always, battery powered disadvantage also slowly display (capacity is small, the service life is short, hold
Vulnerable to environmental restrictions, recycling is difficult, easily causes heavy metal pollution), seriously limit the development of wireless sensor technology.So being
The emerging intelligent industry of matching, it would be desirable to explore novel energy accumulator, to meet energy supply demand.
It explores novel energy accumulator and has become the hot spot studied in recent years, it is intended to overcome the drawback that chemical cell is intrinsic,
Realize the lasting energy supply of green.It is then our primary selection using the generator capture ambient enviroment energy based on this.Such as: too
Positive energy, wind energy, vibrational energy etc..It is well known that we are in the world of a vibration.Vibrational energy easily obtains, is easy to clean, no
It is limited by environment, is a kind of important new green energy.Generally, vibration energy accumulator can be divided into according to energy conversion regime
Piezoelectric type, electrostatic and electromagnetic type.Piezoelectric generator is applied at present than wide, is to utilize direct piezoelectric effect by mechanical oscillation
It can be converted into electric energy, have structure simple, output energy density is big, is a kind of important environment vibration the features such as no electromagnetic interference
Kinetic energy trapping mode.
Summary of the invention
The purpose of the present invention is to provide a kind of non-linear piezoelectric generating devices towards two-way excitation in length and breadth, can exist respectively
The non-linear piezo-electric generating of realization under vertical and horizontal ambient vibration source forcing, structure novel, it is easy to operate, be easily worked,
Electric energy can be converted by mechanical vibrational energy.
To achieve the goals above, the invention discloses a kind of, and the non-linear piezo-electric generating towards two-way excitation in length and breadth fills
It sets, including pedestal (1), a pair of of cantilever beam piezoelectric vibrators (2) and a pair of of permanent magnet (3).The cantilever beam piezoelectric vibrators (2) are by pressing
Electroceramics piece (4) and supporting layer (5) are constituted；The pair of cantilever beam piezoelectric vibrators (2) it is vertical each other be fixed on pedestal (1)；
The pair of permanent magnet (3) is individually fixed in two cantilever beam piezoelectric vibrators (2) free ends, forms homopolar-repulsion；The piezoelectricity
Potsherd (4) is symmetrically pasted onto supporting layer (5) two sides；
The present invention, can be respectively under vertical and horizontal ambient vibration source forcing using a pair of cantilever beam piezoelectric vibrators vertical each other
Realization Non-Linear Vibration piezo-electric generating.By introducing a pair of permanent magnet repelled each other, realizes a kind of unidirectionally motivate and cause
The novel non-linearity piezo-electric generating mode of direction vibration, reduces the resonant frequency of device, effectively raises piezo-electric generating energy
Power.
Detailed description of the invention
Fig. 1 is tomograph of the invention；
Fig. 2 is two-dimensional structure figure of the invention；
Fig. 3 is the horizontal cantilever beam piezoelectric vibrator under longitudinal pumping；
Fig. 4 is longitudinal cantilever beam piezoelectric vibrators under transversely excited.
Specific embodiment
Pass through specific embodiment to further illustrate the technical scheme of the present invention with reference to the accompanying drawing.
Specific embodiment: the invention discloses a kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth, packets
Include pedestal (1), cantilever beam piezoelectric vibrators (2) and permanent magnet (3).The cantilever beam piezoelectric vibrators (2) by piezoelectric ceramic piece (4) and
Supporting layer (5) is constituted；The shared a pair of the permanent magnet (3), is individually fixed in two cantilever beam piezoelectric vibrators (2) free ends；Institute
A pair of of cantilever beam piezoelectric vibrators (2) right angle setting each other is stated, is fixed on pedestal (1), the piezoelectric ceramic piece (4) is symmetrically pasted onto
On supporting layer (5).
Horizontal cantilever beam piezoelectric vibrator (2) under longitudinal pumping as described in Figure 3, under longitudinal pumping, horizontal cantilever beam pressure
Electric tachometer indicator can generate bending vibration due to inertia, to make piezoelectric material deform, according to direct piezoelectric effect principle, electrode two
Understand stored charge and export electric energy in a surface；And at this point, be located at the permanent magnet (4) of longitudinal cantilever beam piezoelectric vibrators free end also by
It is acted in magnetic repulsion and generates bending vibration, longitudinal cantilever beam piezoelectric vibrators is caused to generate Non-Linear Vibration piezo-electric generating, to realize
Cause horizontal cantilever beam piezoelectric vibrator and longitudinal cantilever beam piezoelectric vibrators vibrating power-generation simultaneously under longitudinal pumping.
Horizontal cantilever beam piezoelectric vibrator (2) under transversely excited as described in Figure 4, under transversely excited, longitudinal cantilever beam pressure
Electric tachometer indicator can generate bending vibration due to inertia, to make piezoelectric ceramic piece be deformed, according to direct piezoelectric effect principle, electrode
Understand stored charges and export electric energy in two surfaces；And at this point, being located at the permanent magnet (4) of horizontal cantilever beam piezoelectric vibrator free end
Bending vibration is generated since magnetic repulsion acts on, causes horizontal cantilever beam piezoelectric vibrator to generate Non-Linear Vibration power generation, to realize cross
Cause longitudinal cantilever beam piezoelectric vibrators and horizontal cantilever beam piezoelectric vibrator vibrating power-generation simultaneously under to excitation.
The present invention provides a kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth, structure novels, operation
Simply, it is easily worked, electric energy can be converted by mechanical vibrational energy and generated electricity；By introducing magneticaction, a kind of list is realized
The novel non-linearity piezo-electric generating mode for causing direction vibration to excitation, effectively raises piezo-electric generating ability.
Claims (4)
1. a kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth, including pedestal (1), a pair of of cantilever beam piezoelectric vibrators
(2) and a pair of of permanent magnet (3)；The cantilever beam piezoelectric vibrators (2) are made of piezoelectric ceramic piece (4) and supporting layer (5)；Described one
To cantilever beam piezoelectric vibrators (2) right angle setting each other, it is fixed on pedestal (1)；The pair of permanent magnet (3) is individually fixed in two
Cantilever beam piezoelectric vibrators (2) free end forms homopolar-repulsion；The piezoelectric ceramic piece (4) is symmetrically pasted onto supporting layer (5) two
Side.
2. a kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth according to claim 1, it is characterised in that:
Can piezoelectric vibration power generation be realized under vertical and horizontal excitation respectively.
3. a kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth according to claim 1, it is characterised in that:
Two-way Non-Linear Vibration piezo-electric generating can be realized by a kind of unidirectional excitation is lower.
4. a kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth according to claim 1, it is characterised in that:
Using direct piezoelectric effect, permanent magnet homopolarity mutual exclusion principle, conversion of the mechanical vibrational energy to electric energy is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474355.9A CN109450293A (en) | 2018-12-04 | 2018-12-04 | A kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474355.9A CN109450293A (en) | 2018-12-04 | 2018-12-04 | A kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109450293A true CN109450293A (en) | 2019-03-08 |
Family
ID=65555617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811474355.9A Pending CN109450293A (en) | 2018-12-04 | 2018-12-04 | A kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109450293A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138273A (en) * | 2019-05-20 | 2019-08-16 | 山东理工大学 | A kind of non-linear piezoelectric energy trapping device of L beam type magnetic force and method |
| CN113090483A (en) * | 2021-04-02 | 2021-07-09 | 山东理工大学 | Airfoil surface pit local aeroelastic vibration piezoelectric energy harvester |
| CN114039507A (en) * | 2021-11-02 | 2022-02-11 | 上海交通大学 | Multi-direction nonlinear broadband piezoelectric energy collecting device utilizing spring kick effect |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100691796B1 (en) * | 2005-10-10 | 2007-03-12 | 학교법인 포항공과대학교 | Vibration generator using permanent magnet and piezoelectric ceramics and generating method using thereof |
| CN101656493A (en) * | 2009-09-17 | 2010-02-24 | 上海交通大学 | MEMS wideband piezoelectricity energy collector based on bistable state frequency raising structure |
| CN102064745A (en) * | 2010-11-15 | 2011-05-18 | 中国人民解放军国防科学技术大学 | Bistable piezoelectric cantilever beam vibrator device |
| CN201854207U (en) * | 2010-10-26 | 2011-06-01 | 温州大学 | Bistable structural piezoelectric energy gathering unit |
| CN103354434A (en) * | 2013-07-02 | 2013-10-16 | 天津大学 | Bistable piezoelectric cantilever beam vibration energy collector |
| CN107302323A (en) * | 2017-07-10 | 2017-10-27 | 天津大学 | Three-dimensional piezoelectric cantilever beam vibrational energy acquisition system |
| CN108199618A (en) * | 2018-01-08 | 2018-06-22 | 华中科技大学 | A kind of two-way cantilever beam beam type piezoelectric energy gathering apparatus |
-
2018
- 2018-12-04 CN CN201811474355.9A patent/CN109450293A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100691796B1 (en) * | 2005-10-10 | 2007-03-12 | 학교법인 포항공과대학교 | Vibration generator using permanent magnet and piezoelectric ceramics and generating method using thereof |
| CN101656493A (en) * | 2009-09-17 | 2010-02-24 | 上海交通大学 | MEMS wideband piezoelectricity energy collector based on bistable state frequency raising structure |
| CN201854207U (en) * | 2010-10-26 | 2011-06-01 | 温州大学 | Bistable structural piezoelectric energy gathering unit |
| CN102064745A (en) * | 2010-11-15 | 2011-05-18 | 中国人民解放军国防科学技术大学 | Bistable piezoelectric cantilever beam vibrator device |
| CN103354434A (en) * | 2013-07-02 | 2013-10-16 | 天津大学 | Bistable piezoelectric cantilever beam vibration energy collector |
| CN107302323A (en) * | 2017-07-10 | 2017-10-27 | 天津大学 | Three-dimensional piezoelectric cantilever beam vibrational energy acquisition system |
| CN108199618A (en) * | 2018-01-08 | 2018-06-22 | 华中科技大学 | A kind of two-way cantilever beam beam type piezoelectric energy gathering apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138273A (en) * | 2019-05-20 | 2019-08-16 | 山东理工大学 | A kind of non-linear piezoelectric energy trapping device of L beam type magnetic force and method |
| CN113090483A (en) * | 2021-04-02 | 2021-07-09 | 山东理工大学 | Airfoil surface pit local aeroelastic vibration piezoelectric energy harvester |
| CN113090483B (en) * | 2021-04-02 | 2022-08-02 | 山东理工大学 | Airfoil surface pit local aeroelastic vibration piezoelectric energy harvester |
| CN114039507A (en) * | 2021-11-02 | 2022-02-11 | 上海交通大学 | Multi-direction nonlinear broadband piezoelectric energy collecting device utilizing spring kick effect |
| CN114039507B (en) * | 2021-11-02 | 2024-05-28 | 上海交通大学 | Multidirectional nonlinear broadband piezoelectric energy collection device utilizing spring snap effect |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110445417B (en) | Low-frequency broadband vibration energy harvesting device | |
| CN101621258B (en) | Miniature power generating device based on piezoelectric crystal frequency converting mechanism | |
| CN101764532B (en) | Piezoelectric giant magnetostrictive combined wideband vibration energy collector | |
| CN109450293A (en) | A kind of non-linear piezoelectric generating device towards two-way excitation in length and breadth | |
| CN101764531B (en) | Multi-operation mode piezoelectric generator and power generation method thereof | |
| CN103701364B (en) | A kind of wind-induced vibration broadband piezoelectric power generator | |
| CN102790547A (en) | Bistable and double cantilever beam piezoelectric power generating device | |
| CN102594203A (en) | Vertical-vibration horizontal-swinging type power generation device of low frequency large amplitude piezoelectric cantilever beam | |
| CN203645578U (en) | Wind-induced vibration broadband piezoelectric power generation device | |
| CN103354434A (en) | Bistable piezoelectric cantilever beam vibration energy collector | |
| CN102170246B (en) | Vibrating type miniature wind driven generator with flexible beam structure | |
| CN106899234A (en) | A kind of multidirectional energy gathering apparatus of piezoelectric type | |
| CN106887973A (en) | A kind of parallel composite beam piezoelectricity electromagnetism prisoner based on magneticaction can device | |
| CN102611351A (en) | Piezoelectricity-magnetic electricity mixed energy collection device | |
| CN104660099A (en) | Tuning fork type piezoelectric resonant cavity wind power generation device | |
| CN105515444B (en) | A kind of multi-direction piezoelectric generating device of burr structure | |
| CN202524321U (en) | Vertical-vibration horizontal-swinging type power generation device of low-frequency large-amplitude piezoelectric cantilever beam | |
| CN107681924A (en) | A kind of piezoelectricity Electromagnetic heating energy accumulator based on piezoelectricity curved beam | |
| CN205545002U (en) | Multi -direction piezoelectric power generating device of collar structure | |
| Yu et al. | A novel multimodal piezoelectric energy harvester with rotating-DOF for low-frequency vibration | |
| CN102510239A (en) | Composite vibration generator | |
| CN108400723A (en) | A kind of multi-direction piezoelectric generating device of impact type | |
| CN105634331A (en) | Magnetoelectric and piezoelectric combined generator | |
| CN202385033U (en) | Single chip cantilever piezoelectric vibration generator | |
| CN110071659A (en) | A kind of T-type piezoelectric generating device and three-stable state implementation method |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190308 |