CN103138626A - Piezoelectric type capturing device of human walking energy - Google Patents
Piezoelectric type capturing device of human walking energy Download PDFInfo
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- CN103138626A CN103138626A CN2013100789037A CN201310078903A CN103138626A CN 103138626 A CN103138626 A CN 103138626A CN 2013100789037 A CN2013100789037 A CN 2013100789037A CN 201310078903 A CN201310078903 A CN 201310078903A CN 103138626 A CN103138626 A CN 103138626A
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Abstract
The invention discloses a piezoelectric type capturing device of human walking energy. The capturing device comprises a footboard, a press block, a compressed spring, a counter weight object, a piezoelectric energy capturing oscillator, a support spring and a fixing object. The counter object and the piezoelectric energy capturing oscillator are arranged inside the fixing object, the footboard is arranged on the fixing object. In the way, the piezoelectric type capturing device of the human walking energy is capable of transforming low frequency motivation of human walking into high frequency motivation, arousing a piezoelectric effect of piezoelectric materials, transforming vibrational energy into electric energy. The piezoelectric type capturing device of the human walking energy has the advantages of being simple in structure and high-efficient in piezoelectricity energy capturing.
Description
Technical field
The present invention relates to the piezoelectric energy-capturing technical field, particularly relating to a kind of piezoelectric type human locomotion can trap setting.
Background technology
Utilize the piezoelectric effect of piezoelectric, capture in environment mechanical energy and be converted into electric energy, become one of popular research field.The human locomotion energy, distributed pole is wide, is the energy of Sustainable Development and Utilization.To adopting piezoelectric effect to capture the research and development of people's physical efficiency device, multinomial patent is disclosed.More typically have:
A kind of piezoelectric generating device and electricity-generating method thereof based on human body kinetic energy stimulation that domestic patent publication No. CN101728975A invents, be that piezoelectric energy-capturing oscillator with a kind of Rainbow shape is installed on shoe-pad or sole uses, the portion of energy of the daily walking movement of people is converted to electric energy.But this piezo-electric generating footwear or sheerly personal behavior of shoe-pad, generating disperses, and energy output is little.
The walking energy collection system that patent publication No. 201110443698.0 is invented is that human locomotion pressure is acted on the piezoelectric stack piece by expanding the power assembly, realizes the even increase of hundreds of times of energy output decades of times.The piezoelectric generating device that the frequent human body of the utilization that patent publication No. 201120047018.9 is invented is stepped on away acts on piezoelectric element (piezoelectric stack piece or single piezoelectric crystal plate) by leverage with the human pressure, realizes capturing of energy.Above-mentioned two kinds of piezoelectric generating devices all are suitable for being arranged on the large flow occasion such as track traffic, market, are electric energy with the kinetic transformation in the human walking procedure.But adopt piezoelectric stack or piezoelectric crystal, the natural frequency of its system should not be excited, thereby has affected its generating capacity.
Utilize people's physical efficiency to carry out piezo-electric generating, meet the requirement of current energy-conserving and environment-protective.If the device that proposes can be applied to the occasion of the large flow of human body, again the human motion of low frequency is converted into the piezoelectric generating device vibration of high frequency, can greatly strengthen the piezo-electric generating ability, bring into play larger economic benefit.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of piezoelectric type human locomotion energy trap setting, the low-frequency excitation of human locomotion can be converted into dither, has improved the energy output of capture efficiency and piezoelectric generating device.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of piezoelectric type human locomotion can trap setting, comprising: pedal, briquetting, stage clip, mass, piezoelectric energy-capturing unit, support spring and fixed body; Described fixed body is the framework of upper end open, the piezoelectric energy-capturing unit was installed in fixed body, be provided with support spring between the lower end of piezoelectric energy-capturing unit and the inner face of fixed body, described pedal correspondence is arranged on the top of fixed body, the edge of pedal is connected and fixed by stage clip, and the lower surface of described pedal also is provided with the briquetting corresponding with the piezoelectric energy-capturing unit.
Preferably, described piezoelectric energy-capturing unit comprises mass and piezoelectric energy-capturing oscillator, all has in length and breadth the fixedly groove of piezoelectric energy-capturing oscillator (5) that is used for of some on described fixed body and mass on both direction; Described piezoelectric energy-capturing oscillator is arranged between fixed body and mass.
Preferably, described piezoelectric energy-capturing oscillator is made of cantilever slab, piezoelectric material layer and adhesive layer; Described piezoelectric material layer is bonded in the side of cantilever slab by adhesive layer.
Preferably, the piezoelectric material layer on described piezoelectric energy-capturing oscillator can be piezoelectric membrane PVDF, PZT.
Preferably, gapped between described briquetting and mass.
Preferably, described piezoelectric energy-capturing oscillator can be by being connected with follow-up circuit after serial or parallel connection
The invention has the beneficial effects as follows: the present invention can be converted into dither with the low-frequency excitation of human locomotion, has higher capture efficiency and energy output.
Description of drawings
Fig. 1 is the perspective view of piezoelectric type human locomotion energy trap setting of the present invention one preferred embodiment;
Fig. 2 be shown in the piezoelectric type human locomotion can trap setting the structural representation of piezoelectric energy-capturing oscillator;
Fig. 3 be shown in the piezoelectric type human locomotion can trap setting the sectional structure schematic diagram of fixed body;
Fig. 4 be shown in the piezoelectric type human locomotion can trap setting the sectional structure schematic diagram of mass;
In accompanying drawing, the mark of each parts is as follows: 1, pedal; 2, briquetting; 3, stage clip; 4, mass; 5, piezoelectric energy-capturing oscillator; 6, support spring; 7, fixed body; 51, cantilever slab; 52, piezoelectric; 53, binding agent.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made more explicit defining.
See also Fig. 1 to Fig. 4, the embodiment of the present invention comprises:
A kind of piezoelectric type human locomotion energy trap setting comprises: pedal 1, briquetting 2, stage clip 3, mass 4, piezoelectric energy-capturing oscillator 5, support spring 6 and fixed body 7; Described mass 4 and piezoelectric energy-capturing oscillator 5 are arranged on fixed body interior 7; Described stage clip 3 is arranged between described pedal 1 and fixed body 7; Described support spring 6 is fixed between described fixed body 7 and mass 4; Described pedal 1 is arranged on fixed body 7; Described briquetting 2 is fixed on the pedal 1 of corresponding mass 4 positions, and briquetting 2 and 4 of mass have certain gap; All have in length and breadth the groove of some on described fixed body 7 and mass 4 on both direction, be used for fixedly piezoelectric energy-capturing oscillator 5; Described piezoelectric energy-capturing oscillator 5 is arranged between fixed body 7 and mass 4; Described piezoelectric energy-capturing oscillator 5 is made of cantilever slab 51, piezoelectric 52 and binding agent 53; Described piezoelectric 52 is bonded in the side of cantilever slab 51 by binding agent 53; Piezoelectric 52 on described piezoelectric energy-capturing oscillator 5 can be piezoelectric membrane PVDF, also can be PZT.
In use, when the people tramples piezoelectric type people's physical efficiency trap setting that this patent invents, will occur afterburning and remove two processes of power.In afterburner process, walking pressure acts on briquetting 2 by pedal 1, produces downward motion, clashes into mass 4.Because fixed body 7 is in stationary state, force a plurality of piezoelectric energy-capturing oscillators 5 that are fixed on mass 4 and fixed body 7 that deformation occurs, produce electric charge.In the process of the power of removing, walking pressure is removed from pedal 1, and stage clip 3 in tension in afterburner process recovers deformation, makes pedal 1 and briquetting 2 homings.And this moment, mass 4 drives piezoelectric energy-capturing oscillator 5 under the elastic reaction that is attached thereto the support spring 6 that connects, produce together motion repeatedly up and down repeatedly.Move up and down each time, piezoelectric energy-capturing oscillator 5 is just completed the release of an electric charge.The electric charge of capturing can be sent to follow-up circuit, carry out electric energy rectification, stablize, store or directly apply to the end user.The low-frequency excitation of human locomotion can be converted into dither, improve the energy output of capture efficiency and piezoelectric generating device.
The above is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (6)
1. a piezoelectric type human locomotion can trap setting, it is characterized in that, comprising: pedal (1), briquetting (2), stage clip (3), mass (4), piezoelectric energy-capturing unit, support spring (6) and fixed body (7); Described fixed body (7) is the framework of upper end open, the piezoelectric energy-capturing unit was installed in fixed body (7), be provided with support spring (6) between the lower end of piezoelectric energy-capturing unit and the inner face of fixed body, described pedal (1) correspondence is arranged on the top of fixed body (7), the edge of pedal (1) is connected and fixed by stage clip (3), and the lower surface of described pedal (1) also is provided with the briquetting (2) corresponding with the piezoelectric energy-capturing unit.
2. piezoelectric type human locomotion according to claim 1 can trap setting, it is characterized in that: described piezoelectric energy-capturing unit comprises mass (4) and piezoelectric energy-capturing oscillator (5), all has in length and breadth the fixedly groove of piezoelectric energy-capturing oscillator (5) that is used for of some on described fixed body (7) and mass (4) on both direction; Described piezoelectric energy-capturing oscillator (5) is arranged between fixed body (7) and mass (4).
3. piezoelectric type human locomotion according to claim 2 can trap setting, and it is characterized in that: described piezoelectric energy-capturing oscillator (5) is by cantilever slab (51), piezoelectric material layer (52) and adhesive layer (53) formation; Described piezoelectric material layer (52) is bonded in the side of cantilever slab (51) by adhesive layer (53).
4. piezoelectric type human locomotion according to claim 3 can trap setting, and it is characterized in that: the piezoelectric material layer (52) on described piezoelectric energy-capturing oscillator (5) can be piezoelectric membrane PVDF, PZT.
5. piezoelectric type human locomotion energy trap setting according to claim 1, is characterized in that: gapped between described briquetting (2) and mass (4).
6. piezoelectric type human locomotion according to claim 1 can trap setting, it is characterized in that: described piezoelectric energy-capturing oscillator (5) can be by being connected with follow-up circuit after serial or parallel connection.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283457A (en) * | 2013-07-10 | 2015-01-14 | 上海工程技术大学 | Track vertical vibration energy recovery device |
| CN105471321A (en) * | 2016-01-26 | 2016-04-06 | 金陵科技学院 | Drum-type piezoelectric power generation device |
| CN106549625A (en) * | 2016-12-08 | 2017-03-29 | 清华大学 | A kind of composite pavement energy collecting device |
| KR101757109B1 (en) * | 2015-08-26 | 2017-07-12 | 한양대학교 산학협력단 | Piezoelectric harvesting module for road |
| CN107131558A (en) * | 2017-05-18 | 2017-09-05 | 浙江大学 | A kind of air cleaning unit and its piezoelectric type plant anion exciter |
| CN107919815A (en) * | 2016-05-31 | 2018-04-17 | 成都九十度工业产品设计有限公司 | A kind of control method of the energy collecting device control system based on piezo-electric generating |
| CN108757827A (en) * | 2018-08-23 | 2018-11-06 | 滨州学院 | A kind of vibration energy regeneration damping device |
| CN112104261A (en) * | 2020-10-19 | 2020-12-18 | 郑州铁路职业技术学院 | Train platform self-powered method based on multi-piezoelectric transistor |
| CN112104262A (en) * | 2020-10-19 | 2020-12-18 | 郑州铁路职业技术学院 | Self-powered system of freight train platform |
| CN112187099A (en) * | 2020-10-22 | 2021-01-05 | 郑州铁路职业技术学院 | Diagnosis room information display system adopting corridor ground self-power generation |
| CN112202365A (en) * | 2020-10-22 | 2021-01-08 | 郑州铁路职业技术学院 | Self-powered diagnosis room information display method based on piezoelectricity |
| CN113098322A (en) * | 2021-05-20 | 2021-07-09 | 桂林电子科技大学 | Piezoelectric energy harvester used under complex working conditions |
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| CN203243249U (en) * | 2013-03-13 | 2013-10-16 | 苏州市职业大学 | Piezoelectric type capturing device of human walking energy |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283457B (en) * | 2013-07-10 | 2016-08-24 | 上海工程技术大学 | A kind of track vertical vibration energy recycle device |
| CN104283457A (en) * | 2013-07-10 | 2015-01-14 | 上海工程技术大学 | Track vertical vibration energy recovery device |
| KR101757109B1 (en) * | 2015-08-26 | 2017-07-12 | 한양대학교 산학협력단 | Piezoelectric harvesting module for road |
| CN105471321A (en) * | 2016-01-26 | 2016-04-06 | 金陵科技学院 | Drum-type piezoelectric power generation device |
| CN105471321B (en) * | 2016-01-26 | 2017-09-29 | 金陵科技学院 | A kind of cydariform piezoelectric generating device |
| CN107919815A (en) * | 2016-05-31 | 2018-04-17 | 成都九十度工业产品设计有限公司 | A kind of control method of the energy collecting device control system based on piezo-electric generating |
| CN107919815B (en) * | 2016-05-31 | 2019-05-31 | 成都九十度工业产品设计有限公司 | A kind of control method of the energy collecting device control system based on piezo-electric generating |
| CN106549625A (en) * | 2016-12-08 | 2017-03-29 | 清华大学 | A kind of composite pavement energy collecting device |
| CN107131558B (en) * | 2017-05-18 | 2020-05-08 | 浙江大学 | Air purification device and piezoelectric type plant anion exciter thereof |
| CN107131558A (en) * | 2017-05-18 | 2017-09-05 | 浙江大学 | A kind of air cleaning unit and its piezoelectric type plant anion exciter |
| CN108757827A (en) * | 2018-08-23 | 2018-11-06 | 滨州学院 | A kind of vibration energy regeneration damping device |
| CN112104261A (en) * | 2020-10-19 | 2020-12-18 | 郑州铁路职业技术学院 | Train platform self-powered method based on multi-piezoelectric transistor |
| CN112104262A (en) * | 2020-10-19 | 2020-12-18 | 郑州铁路职业技术学院 | Self-powered system of freight train platform |
| CN112104262B (en) * | 2020-10-19 | 2021-07-20 | 郑州铁路职业技术学院 | Self-powered system of freight train platform |
| CN112104261B (en) * | 2020-10-19 | 2021-11-05 | 合肥派霸电气科技有限公司 | Train platform self-powered method based on multi-piezoelectric transistor |
| CN112187099A (en) * | 2020-10-22 | 2021-01-05 | 郑州铁路职业技术学院 | Diagnosis room information display system adopting corridor ground self-power generation |
| CN112202365A (en) * | 2020-10-22 | 2021-01-08 | 郑州铁路职业技术学院 | Self-powered diagnosis room information display method based on piezoelectricity |
| CN112187099B (en) * | 2020-10-22 | 2022-06-17 | 郑州铁路职业技术学院 | Diagnosis room information display system adopting corridor ground self-power generation |
| CN113098322A (en) * | 2021-05-20 | 2021-07-09 | 桂林电子科技大学 | Piezoelectric energy harvester used under complex working conditions |
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Application publication date: 20130605 |