CN104022686B - A kind of impact type device for collecting piezoelectric vibration energy - Google Patents
A kind of impact type device for collecting piezoelectric vibration energy Download PDFInfo
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- CN104022686B CN104022686B CN201410264812.7A CN201410264812A CN104022686B CN 104022686 B CN104022686 B CN 104022686B CN 201410264812 A CN201410264812 A CN 201410264812A CN 104022686 B CN104022686 B CN 104022686B
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Abstract
A kind of impact type device for collecting piezoelectric vibration energy, including fixed pedestal, support, spring, mass, crossbeam, mass ball and piezoelectric vibrator, described support one end is fixed on fixed pedestal, the other end is hinged with crossbeam, the spring one end is fixed on fixed pedestal, the other end is connected with mass bottom, the crossbeam has two, described two crossbeams are hinged with mass respectively, the piezoelectric vibrator is by left side piezoelectric patches, elastic metallic substrate and right side piezoelectric patches composition, the piezoelectric vibrator is symmetricly set on corresponding crossbeam, described piezoelectric vibrator one end is fixed on crossbeam, the other end is in free state, the mass ball is located on the crossbeam of the same side between two neighboring piezoelectric vibrator.A kind of impact type device for collecting piezoelectric vibration energy of the present invention, apparatus of the present invention are converted to the vibrational energy in external environment the impact shock of mass ball in device, and then are converted to electric energy, and easy to use, scalability is strong.
Description
Technical field
The invention belongs to novel energy and electronic technology field, more particularly to a kind of impact type device for collecting piezoelectric vibration energy.
Background technology
In recent years; with the high speed development of social economy; demand to the energy increasingly increases severely, and environmental pollution and energy shortage turn into a common difficulty of puzzlement countries in the world, and the environmental degradation and energy crisis caused therefrom gradually starts influence economic development and people's life.Under the pressure of this pressure, various countries scientific worker has started to find and develop the exploration of novel energy, such as solar energy, wind energy, wave energy etc..Vibration is as the common phenomenon in daily life, and because it has higher energy density, its potential energy value has caused the concern of increasing researcher.It is presently used for realizing that the device of vibration energy harvesting mainly has piezoelectric type, electromagnetic type and electrostatic three kinds.Piezoelectric type vibration energy collecting device so that its is simple in construction, do not generate heat, without electromagnetic interference and many advantages, such as be easy to miniaturization and as current study hotspot.Based on this, various piezoelectric type vibration energy collecting devices are occurred in that at present, such as cantilever beam structure, Cymbal structures, stack shape structure.For piezoelectric type vibration energy collecting device, in theory its life-span of powering be only dependent upon the life-span of each component of composition energy gathering apparatus, clean environment firendly is a kind of typical " green " energy technology.
It is worth noting that, in the research of various forms of piezoelectric type vibration energy collecting devices, the report of impact type device for collecting piezoelectric vibration energy is relatively fewer.The mark of the new road based on piezoelectric element developed by NECTOKIN and Japan Heardea is in Japanese trial operation, its principle is exactly the rolling by being placed in steel ball in annular groove, piezoelectric element is impacted to generate electricity, the device is arranged in the big tunnel of the volume of traffic, the air stream drives mark rotation produced during using vehicle travels, so as to drive steel ball to produce rolling.The major defect of the design is, when car continuously crosses and produces strong wind mark will high-speed rotation so that steel ball is close to piezoelectric element motion, piezoelectric element cannot get the pressure effect of alternation, cannot generate electricity.How applied to impact type device for collecting piezoelectric vibration energy to be a direction highly studied by the vibrational energy in external environment in view of the vibrational energy resource enriched in external environment.
The content of the invention
The technical problems to be solved by the invention are the defect and deficiency being directed in aforementioned background art, a kind of impact type device for collecting piezoelectric vibration energy is provided, apparatus of the present invention are converted to the vibrational energy in external environment the impact shock of mass ball in device, and then be converted to electric energy, it is easy to use, scalability is strong, for up to this purpose, the present invention provides a kind of impact type device for collecting piezoelectric vibration energy, including fixed pedestal, support, spring, mass, crossbeam, mass ball and piezoelectric vibrator, described support one end is fixed on fixed pedestal, the other end is hinged with crossbeam, the spring one end is fixed on fixed pedestal, the other end is connected with mass bottom, the crossbeam has two, described two crossbeams are hinged with mass respectively, the piezoelectric vibrator is by left side piezoelectric patches, elastic metallic substrate and right side piezoelectric patches composition, the piezoelectric vibrator is symmetricly set on corresponding crossbeam, described piezoelectric vibrator one end is fixed on crossbeam, the other end is in free state, the mass ball is located on the crossbeam of the same side between two neighboring piezoelectric vibrator.
As a further improvement on the present invention, the quantity of the piezoelectric vibrator on each crossbeam is n, and n >=2, can be set multiple piezoelectric vibrators on crossbeam of the present invention, and user can be selected according to crossbeam length and being actually needed.
As a further improvement on the present invention, the left side piezoelectric patches and right side piezoelectric patches be rectangular shape or triangular shaped or trapezoidal shape, and through-thickness polarize, the present invention can according to actual conditions select respective shapes piezoelectric patches.
As a further improvement on the present invention, the elastic metallic substrate is rectangular shape or triangular shaped or trapezoidal shape, and the present invention can select the elastic metallic substrate of respective shapes according to actual conditions.
As a further improvement on the present invention, there is dividing plate the crossbeam both sides, in order to prevent that mass ball from dropping during exercise, can set dividing plate in crossbeam both sides.
After such scheme, the present invention can be converted to the vibration of extraneous natural environment the impact shock of mass ball by setting fixed pedestal, support, spring, mass, crossbeam, mass ball and piezoelectric vibrator, realize and generate electricity；Meanwhile, the quantity of the piezoelectric vibrator on energy gathering apparatus crossbeam can suitably be extended, so as to improve the generated energy of energy gathering apparatus, enhance the practicality of device.
Brief description of the drawings
Fig. 1 is the structural representation of piezoelectric vibrator in the present invention；
Fig. 2 is the structural representation of the present invention.
Specific part is as follows：
1st, fixed pedestal；2nd, support；3rd, spring；
4th, mass；5th, crossbeam；6th, mass ball；
7th, piezoelectric vibrator；71st, left side piezoelectric patches；72nd, elastic metallic substrate；
73rd, right side piezoelectric patches.
Embodiment
With reference to shown in Fig. 1 and Fig. 2, the present invention provides a kind of impact type device for collecting piezoelectric vibration energy, including fixed pedestal 1, support 2, spring 3, mass 4, crossbeam 5, mass ball 6 and piezoelectric vibrator 7, introduces separately below.
The one end of support 2 is fixed on fixed pedestal 1, and the other end is hinged with crossbeam 5, and the one end of spring 3 is fixed on fixed pedestal 1, and the other end is connected with mass 4, and two crossbeams 5 are hinged with mass 4 respectively.
The one end of piezoelectric vibrator 7 is fixed on crossbeam 5, and the other end is in free state, and mass ball 6 is located between two neighboring piezoelectric vibrator 7；The quantity n of piezoelectric vibrator 7 can be selected according to actual conditions on each crossbeam 5, and n >=2, as selected 3 in the present embodiment, coordinate shown in Fig. 1, piezoelectric vibrator 7 in the present embodiment includes left side piezoelectric patches 71, elastic metallic substrate 72 and right side piezoelectric patches 73, wherein, left side piezoelectric patches 71 and right side piezoelectric patches 73 are attached at the left surface and right surface of elastic metallic substrate 72 in the same direction respectively, mechanical energy is converted into electric energy, described left side piezoelectric patches 71 and the polarization of the through-thickness of right side piezoelectric patches 73 by direct piezoelectric effect.
Operationally, device is placed in extraneous natural vibration environment, and is fixed by fixed pedestal 1 for the present embodiment；Mass 4 in inducing device is produced forced vibration by the vibration in environment, the vibration of mass 4 will drive two crossbeams 5 up and down reciprocatingly to swing, and then cause the impact shock of mass ball 6, under the impact shock effect of mass ball 6, piezoelectric vibrator 7 will produce the flexural deformation of alternately change, so that the left side piezoelectric patches 71 and right side piezoelectric patches 73 that are pasted onto on elastic metallic substrate 72 produce the flexural deformation of alternately change, according to the direct piezoelectric effect of piezoelectric, produced just on the positive and negative electrode face of left side piezoelectric patches 71 and right side piezoelectric patches 73, the anti-electric charge of negative, realize by the conversion of mechanical energy to electric energy.Further, since greater number of piezoelectric vibrator 7 can be set in energy gathering apparatus, so as to improve the generated energy of energy gathering apparatus.
In summary, a kind of impact type device for collecting piezoelectric vibration energy proposed by the present invention, energy sensing external environment vibration, and external environment is vibrated to the impact shock for being converted to mass ball 6 in device, the generated energy of device can be effectively improved by the quantity for extending piezoelectric vibrator 7, and long service life, enhance its practicality.
It these are only illustration of the present invention, it is impossible to protection scope of the present invention is limited with this, every according to technological thought proposed by the present invention, any change done on the basis of technical scheme is each fallen within the scope of the present invention.
Claims (4)
1. a kind of impact type device for collecting piezoelectric vibration energy, including fixed pedestal（1）, support（2）, spring（3）, mass（4）, crossbeam（5）, mass ball（6）And piezoelectric vibrator（7）, it is characterised in that：The support（2）One end is fixed on fixed pedestal（1）On, the other end and crossbeam（5）It is hinged, the spring（3）Fixed pedestal is fixed in one end（1）On, the other end and mass（4）Bottom is connected, the crossbeam（5）There are two, described two crossbeams（5）Respectively with mass（4）It is hinged, the piezoelectric vibrator（7）By left side piezoelectric patches（71）, elastic metallic substrate（72）With right side piezoelectric patches（73）Composition, the piezoelectric vibrator（7）It is symmetricly set on corresponding crossbeam（5）On, the piezoelectric vibrator（7）Crossbeam is fixed in one end（5）On, the other end is in free state, the mass ball（6）Positioned at the same side crossbeam（5）Upper two neighboring piezoelectric vibrator（7）Between, each crossbeam（5）On piezoelectric vibrator（7）Quantity be n, and n >=2.
2. a kind of impact type device for collecting piezoelectric vibration energy as claimed in claim 1, it is characterised in that：The left side piezoelectric patches（71）With right side piezoelectric patches（73）For rectangular shape or triangular shaped or trapezoidal shape, and through-thickness polarizes.
3. a kind of impact type device for collecting piezoelectric vibration energy as claimed in claim 1, it is characterised in that：The elastic metallic substrate（72）For rectangular shape or triangular shaped or trapezoidal shape.
4. a kind of impact type device for collecting piezoelectric vibration energy as claimed in claim 1, it is characterised in that：The crossbeam（5）There is dividing plate both sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410264812.7A CN104022686B (en) | 2014-06-16 | 2014-06-16 | A kind of impact type device for collecting piezoelectric vibration energy |
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| CN201410264812.7A CN104022686B (en) | 2014-06-16 | 2014-06-16 | A kind of impact type device for collecting piezoelectric vibration energy |
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| CN104022686A CN104022686A (en) | 2014-09-03 |
| CN104022686B true CN104022686B (en) | 2016-06-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107061208A (en) * | 2017-06-14 | 2017-08-18 | 苏州赛易特环保科技有限公司 | A kind of shaking generation device |
| CN108429489B (en) * | 2018-05-22 | 2024-01-23 | 北京中微融通科技有限公司 | Building vibration energy collecting device |
| CN115021615A (en) * | 2022-05-23 | 2022-09-06 | 山东理工大学 | Impact type power generation device based on piezoelectric effect |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409889A (en) * | 1999-11-12 | 2003-04-09 | Usc株式会社 | Piezoelectric generating apparatus |
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| JP2003209980A (en) * | 2001-11-12 | 2003-07-25 | Jigyo Sozo Kenkyusho:Kk | Oscillatory generator |
| JP2008192944A (en) * | 2007-02-07 | 2008-08-21 | Taiheiyo Cement Corp | Piezoelectric generator |
| MY162273A (en) * | 2008-09-29 | 2017-05-31 | Mimos Berhad | A device for maximum detection of vibrating energy for harvesting energy |
| CN101702595B (en) * | 2009-11-25 | 2012-01-18 | 吴速 | Device for power generation by bumping-driving piezoelectric material |
| CN103375347A (en) * | 2012-04-20 | 2013-10-30 | 襄樊学院 | Tree-like generator combining piezoelectric generating pieces and springs/spring plates |
| CN203872085U (en) * | 2014-06-16 | 2014-10-08 | 金陵科技学院 | Impact type piezoelectric vibration energy collecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1409889A (en) * | 1999-11-12 | 2003-04-09 | Usc株式会社 | Piezoelectric generating apparatus |
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Effective date of registration: 20201214 Address after: No.68 Feiyue Road, Xinqiao Town, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: JIANGSU KINUO FUMACE ROLLER Co.,Ltd. Address before: Room 1406, 14 / F, unit 1, building 5, No. 366, Ronghua South Road, high tech Zone, Chengdu, Sichuan 610000 Patentee before: Sichuan qiyibiao Information Technology Co.,Ltd. Effective date of registration: 20201214 Address after: Room 1406, 14 / F, unit 1, building 5, No. 366, Ronghua South Road, high tech Zone, Chengdu, Sichuan 610000 Patentee after: Sichuan qiyibiao Information Technology Co.,Ltd. Address before: No. 99 Jiangning Road, Nanjing District hirokage 210000 cities in Jiangsu Province Patentee before: JINLING INSTITUTE OF TECHNOLOGY |
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