CN104022686A - Impact type piezoelectric vibration energy collecting device - Google Patents
Impact type piezoelectric vibration energy collecting device Download PDFInfo
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- CN104022686A CN104022686A CN201410264812.7A CN201410264812A CN104022686A CN 104022686 A CN104022686 A CN 104022686A CN 201410264812 A CN201410264812 A CN 201410264812A CN 104022686 A CN104022686 A CN 104022686A
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Abstract
The invention discloses an impact type piezoelectric vibration energy collecting device. The impact type piezoelectric vibration energy collecting device comprises a fixed base, supports, a spring, a mass block, two cross beams, mass balls and piezoelectric vibrators, wherein one end of each support is fixed to the fixed base, the other end of each support is hinged to the corresponding cross beam, one end of the spring is fixed to the fixed base, the other end of the spring is connected with the bottom of the mass block, the two cross beams are hinged to the mass block, each piezoelectric vibrator is composed of a left piezoelectric plate, an elastic metal substrate and a right piezoelectric plate, the piezoelectric vibrators are symmetrically arranged on the cross beams, one end of each piezoelectric vibrator is fixed to the corresponding cross beam, the other end of each piezoelectric vibrator is free, and each mass ball is located between the corresponding two adjacent piezoelectric vibrators on the same side of each cross beam. According to the impact type piezoelectric vibration energy collecting device, vibration energy in the external environment is converted into impact vibration of the mass balls in the device, then the impact vibration of the mass balls in the device is converted into electric energy, using is convenient, and the expandability is high.
Description
Technical field
The invention belongs to novel energy and electronic technology field, particularly a kind of impact type device for collecting piezoelectric vibration energy.
Background technology
In recent years; along with socioeconomic high speed development; demand to the energy increases severely day by day, and environmental pollution and energy shortage become a common difficulty of puzzlement countries in the world, and the ecological deterioration causing therefrom and energy crisis start to affect economic development and people's life gradually.Under the pressure of this pressure, various countries scientific worker has started the exploration of searching and the development of new 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 increasing researcher's concern.At present, for realizing device that vibrational energy collects, mainly contain piezoelectric type, electromagnetic type and electrostatic three kinds.Piezoelectric type energy gathering apparatus is simple in structure with it, do not generate heat, without electromagnetic interference and be easy to the plurality of advantages such as microminiaturized and become current study hotspot.Based on this, various piezoelectric type energy gathering apparatus have been there are at present, as cantilever beam structure, Cymbal structure, stack shape structure etc.For piezoelectric type energy gathering apparatus, it only depends on the life-span of each components and parts that form energy gathering apparatus for electric life in theory, and clean environment firendly is a kind of typical " green " energy technology.
It should be noted that, in the research of various forms of piezoelectric type energy gathering apparatus, the report of impact type device for collecting piezoelectric vibration energy is relatively less.The new road based on piezoelectric element of being developed by NEC TOKIN and Japanese Heardea is identified at Japan and trys out, its principle is exactly by being placed in the rolling of steel ball in cannelure, percussive pressure electric device generates electricity, this device is arranged in the tunnel that the volume of traffic is large, the air stream drives sign rotation producing in the time of can utilizing automobile to cross, rolls thereby drive steel ball to produce.The major defect of this design is, when car crosses and sign will high speed rotating while producing strong wind continuously, thereby makes steel ball be close to piezoelectric element motion, and piezoelectric element can not get the pressure-acting of alternation, just can not generate electricity.Consider vibrational energy resource abundant in external environment, how the vibrational energy in external environment being applied to impact type device for collecting piezoelectric vibration energy is a direction that is worth very much research.
Summary of the invention
Technical problem to be solved by this invention is for the defect in aforementioned background art and deficiency, 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, easy to use, extensibility is strong, for reaching this object, the invention provides a kind of impact type device for collecting piezoelectric vibration energy, comprise fixed pedestal, support, spring, mass, crossbeam, mass ball and piezoelectric vibrator, described support one end is fixed on fixed pedestal, the other end and crossbeam are hinged, described spring one end is fixed on fixed pedestal, the other end is connected with mass bottom, described crossbeam has two, described two crossbeams are hinged with mass respectively, described piezoelectric vibrator is by left side piezoelectric patches, elastic metallic substrate and right side piezoelectric patches form, described piezoelectric vibrator is symmetricly set on corresponding crossbeam, described piezoelectric vibrator one end is fixed on crossbeam, the other end is in free state, described mass ball is on the crossbeam of the same side between adjacent two piezoelectric vibrators.
As a further improvement on the present invention, the quantity of the piezoelectric vibrator on described each crossbeam is n, and n >=2, on crossbeam of the present invention, a plurality of piezoelectric vibrators can be set, and user can select according to crossbeam length and actual needs.
As a further improvement on the present invention, described left side piezoelectric patches and right side piezoelectric patches are rectangular shape or triangular shaped or trapezoidal shape, and through-thickness polarization, and the present invention can select according to actual conditions the piezoelectric patches of respective shapes.
As a further improvement on the present invention, described elastic metallic substrate is rectangular shape or triangular shaped or trapezoidal shape, and the present invention can select according to actual conditions the elastic metallic substrate of respective shapes.
As a further improvement on the present invention, there is dividing plate described crossbeam both sides, in order to prevent that mass ball from dropping at the volley, can dividing plate be set in crossbeam both sides.
Adopt after such scheme, the present invention, by fixed pedestal, support, spring, mass, crossbeam, mass ball and piezoelectric vibrator are set, can be converted to the vibration of extraneous natural environment the impact shock of mass ball, realizes generating; Meanwhile, the quantity of the piezoelectric vibrator on energy gathering apparatus crossbeam can suitably be expanded, thereby has improved the energy output of energy gathering apparatus, has strengthened the practicality of device.
Accompanying drawing explanation
Fig. 1 is the structural representation of piezoelectric vibrator in the present invention;
Fig. 2 is structural representation of the present invention.
Concrete parts are as follows:
1, fixed pedestal; 2, support; 3, spring;
4, mass; 5, crossbeam; 6, mass ball;
7, piezoelectric vibrator; 71, left side piezoelectric patches; 72, elastic metallic substrate;
73, right side piezoelectric patches.
Embodiment
Shown in Fig. 1 and Fig. 2, the invention provides a kind of impact type device for collecting piezoelectric vibration energy, comprise fixed pedestal 1, support 2, spring 3, mass 4, crossbeam 5, mass ball 6 and piezoelectric vibrator 7, introduce respectively below.
Support 2 one end are fixed on fixed pedestal 1, and the other end and crossbeam 5 are hinged, and spring 3 one end are fixed on fixed pedestal 1, and the other end is connected with mass 4, and two crossbeams 5 are hinged with mass 4 respectively.
Piezoelectric vibrator 7 one end are fixed on crossbeam 5, and the other end is in free state, and mass ball 6 is between adjacent two piezoelectric vibrators 7; On each crossbeam 5, the quantity n of piezoelectric vibrator 7 can select according to actual conditions, and n >=2, as selected in the present embodiment 3, coordinate shown in Fig. 1, piezoelectric vibrator 7 in the present embodiment comprises 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 respectively left surface and the right surface of elastic metallic substrate 72 in the same way, in order to by direct piezoelectric effect, mechanical energy is converted into electric energy, described left side piezoelectric patches 71 and the 73 through-thickness polarization of right side piezoelectric patches.
The present embodiment, when work, is placed in extraneous natural vibration environment by device, and is fixed by fixed pedestal 1, vibration in environment produces forced vibration by the mass in inducing device 4, 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 alternately changing, thereby the left side piezoelectric patches 71 and the right side piezoelectric patches 73 that make to stick on elastic metallic substrate 72 produce the flexural deformation alternately changing, according to the direct piezoelectric effect of piezoelectric, on the positive and negative electrode face of left side piezoelectric patches 71 and right side piezoelectric patches 73, just producing, the electric charge that negative is anti-, realized the conversion to electric energy by mechanical energy.In addition, due to the piezoelectric vibrator 7 of greater number can be set in energy gathering apparatus, thereby improved the energy output of energy gathering apparatus.
In sum, a kind of impact type device for collecting piezoelectric vibration energy that the present invention proposes, can vibrate by sensing external environment, and external environment vibration is converted to the impact shock of mass ball 6 in device, by the quantity of expansion piezoelectric vibrator 7, can effectively improve the energy output of device, and long service life, has strengthened its practicality.
These are only illustration of the present invention, can not limit protection scope of the present invention with this, every technological thought proposing according to the present invention, any change of doing on technical scheme basis, within all falling into protection range of the present invention.
Claims (5)
1. an impact type device for collecting piezoelectric vibration energy, comprise fixed pedestal (1), support (2), spring (3), mass (4), crossbeam (5), mass ball (6) and piezoelectric vibrator (7), it is characterized in that: described support (2) one end is fixed on fixed pedestal (1), the other end and crossbeam (5) are hinged, described spring (3) one end is fixed on fixed pedestal (1), the other end is connected with mass (4) bottom, described crossbeam (5) has two, described two crossbeams (5) are hinged with mass (4) respectively, described piezoelectric vibrator (7) is by left side piezoelectric patches (71), elastic metallic substrate (72) and right side piezoelectric patches (73) form, described piezoelectric vibrator (7) is symmetricly set on corresponding crossbeam (5), described piezoelectric vibrator (7) one end is fixed on crossbeam (5), the other end is in free state, described mass ball (6) is positioned between upper adjacent two piezoelectric vibrators of the same side crossbeam (5) (7).
2. a kind of impact type device for collecting piezoelectric vibration energy as claimed in claim 1, is characterized in that: the quantity of the piezoelectric vibrator (7) on described each crossbeam (5) is n, and n >=2.
3. a kind of impact type device for collecting piezoelectric vibration energy as claimed in claim 1, is characterized in that: described left side piezoelectric patches (71) and right side piezoelectric patches (73) are rectangular shape or triangular shaped or trapezoidal shape, and through-thickness polarization.
4. a kind of impact type device for collecting piezoelectric vibration energy as claimed in claim 1, is characterized in that: described elastic metallic substrate (72) is rectangular shape or triangular shaped or trapezoidal shape.
5. a kind of impact type device for collecting piezoelectric vibration energy as claimed in claim 1, is characterized in that: there is dividing plate described crossbeam (5) both sides.
Priority Applications (1)
| 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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| 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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| CN104022686A true CN104022686A (en) | 2014-09-03 |
| CN104022686B CN104022686B (en) | 2016-06-29 |
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| CN201410264812.7A Expired - Fee Related CN104022686B (en) | 2014-06-16 | 2014-06-16 | A kind of impact type device for collecting piezoelectric vibration energy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108429489A (en) * | 2018-05-22 | 2018-08-21 | 北京中微融通科技有限公司 | Vibration of building 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 |
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| US20060087200A1 (en) * | 2001-11-12 | 2006-04-27 | Yasuhiro Sakai | Oscillating-type generator |
| JP2008192944A (en) * | 2007-02-07 | 2008-08-21 | Taiheiyo Cement Corp | Piezoelectric generator |
| CN101702595A (en) * | 2009-11-25 | 2010-05-05 | 吴速 | Device for power generation by bumping-driving piezoelectric material |
| US20130062999A1 (en) * | 2008-09-29 | 2013-03-14 | Mimos Berhad | Device for maximum detection of vibrating energy for harvesting energy |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6411016B1 (en) * | 1999-11-12 | 2002-06-25 | Usc Co., Limited | Piezoelectric generating apparatus |
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2014
- 2014-06-16 CN CN201410264812.7A patent/CN104022686B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060087200A1 (en) * | 2001-11-12 | 2006-04-27 | Yasuhiro Sakai | Oscillating-type generator |
| JP2008192944A (en) * | 2007-02-07 | 2008-08-21 | Taiheiyo Cement Corp | Piezoelectric generator |
| US20130062999A1 (en) * | 2008-09-29 | 2013-03-14 | Mimos Berhad | Device for maximum detection of vibrating energy for harvesting energy |
| CN101702595A (en) * | 2009-11-25 | 2010-05-05 | 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108429489A (en) * | 2018-05-22 | 2018-08-21 | 北京中微融通科技有限公司 | Vibration of building energy collecting 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 |
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| CN104022686B (en) | 2016-06-29 |
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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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