CN103628381A - Power generation floor based on piezoelectric material - Google Patents
Power generation floor based on piezoelectric material Download PDFInfo
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- CN103628381A CN103628381A CN201310667006.XA CN201310667006A CN103628381A CN 103628381 A CN103628381 A CN 103628381A CN 201310667006 A CN201310667006 A CN 201310667006A CN 103628381 A CN103628381 A CN 103628381A
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- 239000000463 material Substances 0.000 title claims abstract description 12
- 238000010248 power generation Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 28
- 239000011521 glass Substances 0.000 claims description 12
- 238000012216 screening Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
本发明公开了一种基于压电材料的发电地板，该发电地板是由顶顶板1、底座2、支座3和若干个压电材料结构单元4组成。压电材料结构单元4由保护片5、双夹持结构6和压电片7组成。顶板1上的定位拴9和支座3上的定位孔8相匹配。压电材料结构单元4放在支座3上，每一个压电材料结构单元4和支座3上面的凹槽尺寸都相匹配。若干个压电材料结构单元4中间的压电片7用导线连接。本发明是根据地板的尺寸以及结构单元的个数用串并联混合方式，从而使得输出功率最大，再用接口电路对发电地板产生的电压进行整流和稳压。
The invention discloses a power generation floor based on piezoelectric materials. The power generation floor is composed of a top plate 1 , a base 2 , a support 3 and several structural units 4 of piezoelectric materials. The piezoelectric material structural unit 4 is composed of a protective sheet 5 , a double clamping structure 6 and a piezoelectric sheet 7 . The positioning bolt 9 on the top plate 1 matches the positioning hole 8 on the support 3 . The piezoelectric material structural unit 4 is placed on the support 3 , and each piezoelectric material structural unit 4 matches the size of the groove on the support 3 . The piezoelectric sheets 7 in the middle of several piezoelectric material structural units 4 are connected by wires. According to the size of the floor and the number of structural units, the present invention adopts a series-parallel hybrid method to maximize the output power, and then uses an interface circuit to rectify and stabilize the voltage generated by the power generation floor.
Description
Technical field
The present invention relates to the field of mechanical technique of novel energy device, particularly a kind of electricity-generating floor based on piezoelectric.
Background technology
Utilize at present mechanical energy to be converted into the generation mode of electric energy very common, the research that utilizes in recent years human body walking or normal vehicle operation to realize the floor of generating has also been subject to attention, therefore, the electricity generating principle of floor internal construction and overall structure are worth research very much.The existing electricity-generating floor of electromagnetic induction principle and piezoelectricity mode that utilizes comes out now, very low but ubiquitous problem is exactly the conversion efficiency of energy.For example, the people such as the Shanghai silicate research Luo Hao Sue of the Chinese Academy of Sciences have applied for having the patent of invention of the big cymbals of metal cap shape and the electricity-generating floor of bent moon structure, it is little that yet the big cymbals structure of metal cap shape or bent moon structure have mechanics amount of elastic deformation, to the excitation of less external force, not sensitive issue very, thus the generating efficiency of restriction electricity-generating floor.And the present invention proposes a kind of electricity-generating floor of new structure; can be by the energy efficient ground recycling conventionally going out of use; and do not produce the discharge of any poisonous or hazardous substances; meet the requirement of national environmental protection sustainable development, and solved well the problem of efficient energy conversion.
Summary of the invention
The object of the invention has been to provide a kind of electricity-generating floor based on piezoelectric, and this electricity-generating floor is to make and to form based on piezoelectric, be utilize that people tramples, electricity-generating floor that mechanical energy that walking, jump and various Vehicle Driving Cycle produce is converted to electric energy.Generator unit in this electricity-generating floor is used a kind of pair of clamp structure, has deformation quantity large, also very responsive to the excitation of less external force, thereby increases substantially generating efficiency.
The present invention solves the technical scheme that its technical problem takes: a kind of electricity-generating floor based on piezoelectric, and this electricity-generating floor is comprised of top board 1, base 2, bearing 3 and several piezoelectric element of construction 4; Piezoelectric element of construction 4 is comprised of screening glass 5, two clamp structure 6 and piezoelectric patches 7; Top board 1 and base 2 and bearing 3 by the location of coupling fasten 9 and locating hole 8 match and connect; The piezoelectric element of construction 4 of multilayer is put in bearing 3 groove above, and each piezoelectric element of construction 4 and bearing 3 groove size above match, and the piezoelectric patches 7 use wires in the middle of several piezoelectric element of construction 4 connect; Two clamp structures 6 are comprised of 2 approximate arcuate tab with five folding faces, and in two clamp structures 6, folding face 10 and folding face 11 are plane or indent arc-shaped curved surface or outer arcs of recesses curved surface; On the folding face 12 of two clamp structures 6 and folding face 13, be bonded with screening glass 5, described piezoelectric patches 7 between two approximate arcuate tab of two clamp structures 6 and with these two approximate arcuate tab for being fixedly connected with.
Screening glass 5 of the present invention sticks on the level folding face of two clamp structures 6, plays the effect to piezoelectric patches buffering, prevents that piezoelectric patches discontinuity is crushed.Each described piezoelectric element of construction 4 use wire connect with series-parallel system.When piezoelectric element of construction 4 is exerted pressure, thereby piezoelectric patches 7 is subject to outward extending power, there is deformation mechanical energy is converted into electric energy.
The present invention is according to the number of the size on floor and element of construction connection in series-parallel hybrid mode, thereby makes power output maximum, then carries out rectification and voltage stabilizing with the voltage that interface circuit produces electricity-generating floor.
The above-mentioned two clamp structures 6 of the present invention are comprised of 2 approximate arcuate tab with five folding faces, wherein roll over face 10 and folding face 11 for plane or indent arc-shaped curved surface or outer arcs of recesses curved surface, and the angle of folding face 10 and folding face 12 is 135 degree to 180 degree; The angle of folding face 10 and folding face 12 can be also 0 degree to 90 degree.
The above-mentioned piezoelectric patches 7 of the present invention is to adopt piezoelectric ceramics or piezo-electricity composite material or piezoelectric polymeric materials.
Beneficial effect:
1, electricity-generating floor novel structure of the present invention, easy to make, goes for multiple place.
2, electricity-generating floor of the present invention meets the sustainable development requirement of national environmental protection, and has solved well the problem of efficient energy conversion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of bearing of the present invention.
Identifier declaration: 8-locating hole.
Fig. 3 is the structural representation of top board of the present invention.
Identifier declaration: 9-fastens location.
Fig. 4 is the view of piezoelectric patches polarised direction of the present invention.
Identifier declaration: (a) and (b) represent monolithic piezoelectric material; (c) represent multi-layer piezoelectric material, in figure, arrow represents polarised direction, electrode direction.
Fig. 5 is that the angle of the two clamp structures of the present invention is the view of 135 degree to 180 degree.
Identifier declaration: (a) and (b), (c), (d) hold structural behavior figure for difform double fastener; 10-rolls over face; 11-rolls over face; 12-rolls over face; 13-rolls over face.
Fig. 6 is that the angle of the two clamp structures of the present invention is the view of 0 degree to 90 degree.
Identifier declaration: (a) and (b), (c), (d) hold structural behavior figure for difform double fastener.
Fig. 7 is the structural representation of the combination of generator unit of the present invention.
Fig. 8 is the circuit schematic drawing of this electricity-generating floor.
The specific embodiment
Following examples are described in further detail the invention in conjunction with Figure of description.
As shown in Fig. 1 and Fig. 8, the invention provides a kind of electricity-generating floor based on piezoelectric, this electricity-generating floor is comprised of top board 1, base 2, bearing 3, piezoelectric element of construction 4, screening glass 5, two clamp structure 6, piezoelectric patches 7 and several generator units.Top board 1 is connected with locating hole with the pilot pin of bearing 3 use couplings respectively with base 2, piezoelectric element of construction 4 is multilayer, and be placed on bearing 3, bearing 3 is fluted above, and each piezoelectric element of construction 4 and bearing 3 groove size above match.Piezoelectric patches 7 in the middle of piezoelectric element of construction 4 is to connect with wire.Described piezoelectric element of construction 4 is comprised of two clamp structures 6, screening glass 5 and piezoelectric patches 7.Screening glass 5 sticks on the level folding face of two clamp structures 6, plays the effect to piezoelectric patches buffering, prevents that piezoelectric patches discontinuity is crushed.Described generator unit is comprised of top board 1, base 2 and some piezoelectric element of construction 4.Each piezoelectric element of construction 4 use wire connects with series-parallel system.The present invention is according to the number of the size on floor and element of construction connection in series-parallel hybrid mode, thereby makes power output maximum, then carries out rectification and voltage stabilizing with the voltage that interface circuit produces electricity-generating floor.
The above-mentioned two clamp structures 6 of the present invention are comprised of 2 approximate arcuate tab with five folding faces, wherein roll over face 10 and folding face 11 for plane or indent arc-shaped curved surface or outer arcs of recesses curved surface.
The above-mentioned piezoelectric patches 7 of the present invention is to adopt piezoelectric ceramics or piezo-electricity composite material or piezoelectric polymeric materials.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, mounting method of the present invention comprises the steps:
Step 1: approximate arched pair of clamp structure 6 making suitable dimension;
Step 2: use hard metal or rigid plastics do four screening glass 5 of suitable size and it is sticked in respectively on the level folding face of two clamp structures 6;
Step 3: do piezoelectric patches 7 with piezoelectric, the two ends on the two sides of piezoelectric patches are stained with respectively to the two clamp structures 6 that are stained with screening glass described in step 2;
Step 4: make a plurality of piezoelectric element of construction 4 according to above-mentioned steps;
Step 5: make and be with reeded bearing according to the size of above-mentioned piezoelectric element of construction, and make locating hole on bearing;
Step 6: according to the size of above-mentioned piezoelectric element of construction and bearing, make top board and base, on top board, be manufactured with bearing on the pilot pin 9 that matches of locating hole;
Step 7: said structure is fitted together and obtains electricity-generating floor by bonding, metal fastenings connection or welding method.
Claims (5)
1. the electricity-generating floor based on piezoelectric, is characterized in that: described electricity-generating floor is comprised of top board (1), base (2), bearing (3) and several piezoelectric element of construction (4); Piezoelectric element of construction (4) is comprised of screening glass (5), two clamp structure (6) and piezoelectric patches (7); Top board (1) and base (2) and bearing (3) are fastened (9) and locating hole (8) by the location of coupling and are matched and connect; The piezoelectric element of construction (4) of multilayer is put in bearing (3) groove above; each piezoelectric element of construction (4) and bearing (3) groove size above match, and the piezoelectric patches (7) in the middle of several piezoelectric element of construction (4) connects with wire; Two clamp structures (6) are comprised of 2 approximate arcuate tab with five folding faces, and in two clamp structures (6), folding face (10) and folding face (11) are plane or indent arc-shaped curved surface or outer arcs of recesses curved surface; On the folding face (12) of two clamp structures (6) and folding face (13), be bonded with screening glass (5).
2. a kind of electricity-generating floor based on piezoelectric according to claim 1, is characterized in that: the folding face (10) of described pair of clamp structure (6) and the angle of folding face (12) are 135 degree to 180 degree or are 0 degree to 90 degree.
3. a kind of electricity-generating floor based on piezoelectric according to claim 1, is characterized in that: described piezoelectric patches (7) is to adopt piezoelectric ceramics or piezo-electricity composite material or piezoelectric polymeric materials.
4. according to a kind of electricity-generating floor based on piezoelectric described in claim 1 or 3, it is characterized in that: described piezoelectric patches (7) is positioned between two approximate arcuate tab of two clamp structures (6) and with these two approximate arcuate tab for being fixedly connected with.
5. a mounting method for the electricity-generating floor based on piezoelectric, is characterized in that: described method comprises the steps:
Step 1: the approximate arched pair of clamp structure (6) of making suitable dimension;
Step 2: use hard metal or rigid plastics do four screening glass (5) of suitable size and it is sticked in respectively on the level folding face of two clamp structures (6);
Step 3: do piezoelectric patches (7) with piezoelectric, the two ends on the two sides of piezoelectric patches are stained with respectively to the two clamp structures (6) that are stained with screening glass described in step 2;
Step 4: make a plurality of piezoelectric element of construction (4) according to above-mentioned steps;
Step 5: make and be with reeded bearing according to the size of above-mentioned piezoelectric element of construction, and make locating hole on bearing;
Step 6: according to the size of above-mentioned piezoelectric element of construction and bearing, make top board and base, on top board, be manufactured with bearing on the pilot pin (9) that matches of locating hole;
Step 7: said structure is fitted together and obtains electricity-generating floor by bonding, metal fastenings connection or welding method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667006.XA CN103628381A (en) | 2013-12-10 | 2013-12-10 | Power generation floor based on piezoelectric material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667006.XA CN103628381A (en) | 2013-12-10 | 2013-12-10 | Power generation floor based on piezoelectric material |
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| CN103628381A true CN103628381A (en) | 2014-03-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108028613A (en) * | 2015-08-13 | 2018-05-11 | 密执安州立大学董事会 | From the buckling-restrained collection energy of piezoelectric beam |
| WO2018227122A1 (en) * | 2017-06-09 | 2018-12-13 | Rutgers, The State University Of New Jersey | Enhanced cymbal piezoelectric transducer |
| CN112398365A (en) * | 2020-11-11 | 2021-02-23 | 长春大学 | A twirl-twisted electricity-generating floor based on PVDF piezoelectric material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2704700Y (en) * | 2004-05-06 | 2005-06-15 | 云南大学 | Separated micro-pump piezoelectric drivers |
| US20090303839A1 (en) * | 2007-07-31 | 2009-12-10 | Manoj Narayanan | Stress-biased cymbals incorporating a shape memory alloy |
| US20110127881A1 (en) * | 2008-09-19 | 2011-06-02 | Howarth Thomas R | Piezoelectric generator and method |
| CN102324871A (en) * | 2011-09-22 | 2012-01-18 | 中国科学院上海硅酸盐研究所 | Piezoelectric type energy harvesting unit and application thereof |
| CN102409833A (en) * | 2011-09-20 | 2012-04-11 | 中国科学院上海硅酸盐研究所 | Power generation floor based on piezoelectric material |
| CN103296923A (en) * | 2013-06-04 | 2013-09-11 | 中国科学院上海硅酸盐研究所 | Magnet-free bistable piezoelectric transducer |
| CN203602984U (en) * | 2013-12-10 | 2014-05-21 | 南京邮电大学 | Electricity-generating floorboard based on piezoelectric materials |
-
2013
- 2013-12-10 CN CN201310667006.XA patent/CN103628381A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2704700Y (en) * | 2004-05-06 | 2005-06-15 | 云南大学 | Separated micro-pump piezoelectric drivers |
| US20090303839A1 (en) * | 2007-07-31 | 2009-12-10 | Manoj Narayanan | Stress-biased cymbals incorporating a shape memory alloy |
| US20110127881A1 (en) * | 2008-09-19 | 2011-06-02 | Howarth Thomas R | Piezoelectric generator and method |
| CN102409833A (en) * | 2011-09-20 | 2012-04-11 | 中国科学院上海硅酸盐研究所 | Power generation floor based on piezoelectric material |
| CN102324871A (en) * | 2011-09-22 | 2012-01-18 | 中国科学院上海硅酸盐研究所 | Piezoelectric type energy harvesting unit and application thereof |
| CN103296923A (en) * | 2013-06-04 | 2013-09-11 | 中国科学院上海硅酸盐研究所 | Magnet-free bistable piezoelectric transducer |
| CN203602984U (en) * | 2013-12-10 | 2014-05-21 | 南京邮电大学 | Electricity-generating floorboard based on piezoelectric materials |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108028613A (en) * | 2015-08-13 | 2018-05-11 | 密执安州立大学董事会 | From the buckling-restrained collection energy of piezoelectric beam |
| EP3335310B1 (en) * | 2015-08-13 | 2024-09-18 | The Regents of The University of Michigan | Energy harvesting from constrained buckling of piezoelectric beams |
| WO2018227122A1 (en) * | 2017-06-09 | 2018-12-13 | Rutgers, The State University Of New Jersey | Enhanced cymbal piezoelectric transducer |
| CN112398365A (en) * | 2020-11-11 | 2021-02-23 | 长春大学 | A twirl-twisted electricity-generating floor based on PVDF piezoelectric material |
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Application publication date: 20140312 |