CN102409833A - Power generation floor based on piezoelectric material - Google Patents
Power generation floor based on piezoelectric material Download PDFInfo
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- CN102409833A CN102409833A CN2011102796036A CN201110279603A CN102409833A CN 102409833 A CN102409833 A CN 102409833A CN 2011102796036 A CN2011102796036 A CN 2011102796036A CN 201110279603 A CN201110279603 A CN 201110279603A CN 102409833 A CN102409833 A CN 102409833A
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- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 11
- 229920000334 poly[3-(3'-N,N,N-triethylamino-1-propyloxy)-4-methylthiophene-2,5-diyl hydrochloride] polymer Polymers 0.000 claims description 10
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- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
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- 229910020231 Pb(Mg1/3Nb2/3)O3-xPbTiO3 Inorganic materials 0.000 claims description 3
- 229910020226 Pb(Mg1/3Nb2/3)O3−xPbTiO3 Inorganic materials 0.000 claims description 3
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- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 3
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- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
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- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
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Abstract
本发明公开了一种基于压电材料的发电地板，包括底座和盖板，所述底座上粘结有若干用作电极的金属条，每根金属条上等间距的设有若干结构基元；所述金属条之间通过导线相连接；所述底座上金属条之间的间隔处粘结有用于限制结构基元形变量的安全垫片；所述盖板上与底座的结构基元相接触的位置粘结有若干金属条，金属条之间通过导线相连接；所述结构基元由压电片和金属帽粘结而成；所述底座的四角粘结有固定帽，盖板的四角粘结有与固定帽相适配的固定栓。本发明的发电地板用于收集人踩踏、步行、跳跃以及各种车辆行驶产生的机械能，并可将收集的机械能转换成电能用于传感器等器件的自助供电，且结构简单，制作方便，造价便宜，具有广泛的应用前景。
The present invention discloses a power generation floor based on piezoelectric materials, including a base and a cover plate, wherein a plurality of metal strips used as electrodes are bonded to the base, and a plurality of structural primitives are arranged at equal intervals on each metal strip; the metal strips are connected by wires; safety pads for limiting the deformation of the structural primitives are bonded at the intervals between the metal strips on the base; a plurality of metal strips are bonded to the positions of the cover plate that are in contact with the structural primitives of the base, and the metal strips are connected by wires; the structural primitives are bonded by piezoelectric sheets and metal caps; the four corners of the base are bonded with fixing caps, and the four corners of the cover plate are bonded with fixing bolts that match the fixing caps. The power generation floor of the present invention is used to collect mechanical energy generated by people stepping, walking, jumping, and various vehicles driving, and can convert the collected mechanical energy into electrical energy for self-service power supply of devices such as sensors, and has a simple structure, convenient production, low cost, and broad application prospects.
Description
Technical field
The present invention relates to a kind of electricity-generating floor; Specifically; Relate to that but a kind of collector who makes based on monocrystalline piezoelectric material tramples, the mechanical energy that walking, jump and various vehicle ' produce and the electricity-generating floor that converts thereof into electric energy, belong to novel energy device technology field.
Background technology
The energy and environment are the human most important two principal themes of being paid close attention to of 21 century.Along with expanding economy, fossil energy resources such as coal, oil reduce because of constantly consuming day by day, and various regenerative resources are all being greatly developed in countries in the world, and hope can collect the energy that can recycle in the environment and change.The piezoelectric energy gatherer is exactly a kind of device of realizing this function, and it is the piezo-electric effect through piezoelectric, the various vibrational energies in the environment is collected convert electric energy into.The piezoelectric energy gatherer has the electromechanical conversion efficiency height, output voltage is high, simple in structure, volume is little, the integrated requirement that is content with very little, need not outer characteristics such as be biased; And do not produce noise; Do not receive electromagnetic interference, so the piezoelectric energy gatherer has received increasing concern.
The transducer of Cymbal (big cymbals) structure [
List of references: (1) Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics, 1996, (ISAF ' 96.), 1 (1996), 213-216; (2) Ferroelectrics, 273 (2002), 315-320.] be that metal cap bonding by each big cymbals shape on the piezoelectricity disk of centre and the upper and lower surface forms; Moonie (curved month) structure [
List of references: (1) IEEE 1993 Ultrasonics Symposium, 509-513; (2) Journal of Intelligent Material Systems and Structures, 6 (1995), 447-455.] and Cymbal (big cymbals) structural similarity, just metal cap is the Moonie shape; When receiving the pressure of vertical direction, metal cap can pass to the power of part vertical direction piezoelectric patches and be transformed into the power of horizontal direction, and piezoelectric patches promptly can receive stretching action and deformation takes place, thereby induce electric charge.This structure can make the piezoelectric constant of material be able to effective amplification.
(chemical compound is (1-x) Pb (Mg with PMN-PT
1/3Nb
2/3) O
3-xPbTiO
3, abbreviating PMNT as) and piezoelectric monocrystal is that the high-performance piezoelectric of representative has very excellent piezoelectricity and mechanical-electric coupling performance, d near accurate homotype phase boundary
33, d
31＞2000pC/N, k
33, k
31＞90%, these performances all are higher than piezoceramic material commonly used far away.The domestic batch process (the ZL patent No. 99113472.9) of having adopted improved Bridgman method successfully to realize high-quality large scale PMNT monocrystalline is for the novel piezoelectric monocrystalline provides the assurance on the material in the application on the energy harvester.
Summary of the invention
The purpose of this invention is to provide that but a kind of collector who makes based on monocrystalline piezoelectric material tramples, the mechanical energy that walking, jump and various vehicle ' produce and the electricity-generating floor that converts thereof into electric energy, for this area increases a kind of novel piezoelectric collection of energy device.
For realizing the foregoing invention purpose, the technical scheme that the present invention takes is following:
A kind of electricity-generating floor based on piezoelectric comprises base and cover plate, is bonded with some bonding jumpers as electrode on its base, every bonding jumper equal intervals be provided with some structural motifs; Be connected through lead between the said bonding jumper; Interval on the said base between the bonding jumper is bonded with the safe pad that is used for limiting structure primitive deformation quantity; Be bonded with the number of metal bar with the contacted position of the structural motif of base on the said cover plate, be connected through lead between the bonding jumper; Said structural motif is formed by piezoelectric patches and metal cap bonding; Four jiaos of said base are bonded with locking cap, and four jiaos of cover plate are bonded with the dead bolt suitable with locking cap.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, its structural motif adopt big cymbals (Cymbal) structure or curved month (Moonie) structure.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, its piezoelectric patches adopts piezoceramic material or monocrystalline piezoelectric material or composite piezoelectric material.
The preferred PMNT monocrystal material of said monocrystalline piezoelectric material, further preferred orientation is the PMNT monocrystal material of < 001>or < 110 >.
The composition general formula of said PMNT monocrystal material is (1-x) Pb (Mg
1/3Nb
2/3) O
3-xPbTiO
3, optimal component is 0.20≤x≤0.40.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, when its piezoelectric patches was piezoceramic material, structural motif adopted circular.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, when its piezoelectric patches was monocrystalline piezoelectric material, structural motif adopted rectangle.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, its base and cover plate adopt wood materials such as polymeric material such as polyvinyl, polypropylene, polyvinyl chloride, polystyrene, ABS or organic glass or bakelite.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, the employed metal cap of its structural motif adopts manganese steel, stainless steel, wolfram steel, beryllium copper, phosphor bronze, red copper or other elasticity preferred metal or alloy material.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, its safe pad adopts steel to process.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, its locking cap and dead bolt adopt metal or plastics to process, and the external diameter of dead bolt and the internal diameter of locking cap are complementary.
As preferred version, above-mentioned electricity-generating floor based on piezoelectric, its bonding jumper can adopt copper, aluminium or other metals to process.
Compared with prior art, the present invention is based on piezoelectric, the piezo-electric generating floor that especially makes based on the high-performance monocrystalline piezoelectric material can produce bigger electricity output to the mechanics excitation that applies on it; Response time is fast, and is simple in structure, easy to make; Inexpensive; The mechanical energy that can be widely used in that the collector tramples, walking, jump and various vehicle ' produces, and can convert the mechanical energy of collecting to self-service power supply that electric energy is used for devices such as sensor, therefore; Electricity-generating floor provided by the invention combines with sensor, in medical treatment detection, radio frequency identification, the detection of aircraft bridge and various Environmental Monitoring, is with a wide range of applications.
Description of drawings
Fig. 1 is the structural representation of electricity-generating floor of the present invention;
The understructure sketch map of the electricity-generating floor that Fig. 2 provides for embodiment 1;
The structural representation of the structural motif of the electricity-generating floor that Fig. 3 provides for embodiment 1;
Fig. 4 is the covering plate structure sketch map in the electricity-generating floor of the present invention;
Fig. 5 is locking cap and the structural representation of dead bolt in the electricity-generating floor of the present invention;
Fig. 6 is the structural representation of the safe pad in the electricity-generating floor of the present invention;
The understructure sketch map of the electricity-generating floor that Fig. 7 provides for embodiment 2;
The structural representation of the structural motif of the electricity-generating floor that Fig. 8 provides for embodiment 2.
Among the figure: 1, locking cap; 2, safe pad; 3, bonding jumper; 4, structural motif; 5, lead; 6, base; 7, dead bolt; 8, cover plate; 9, piezoelectric patches; 10, metal cap.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done explanation in further detail:
Like Fig. 1 to shown in Figure 6: a kind of electricity-generating floor provided by the invention based on piezoelectric, comprise base 6 and cover plate 8, be bonded with some bonding jumpers 3 on its base 6 as electrode, every bonding jumper 3 equal intervals be provided with some structural motifs 4; Be connected through lead 5 between the said bonding jumper 3; Interval on the said base 6 between the bonding jumper 3 is bonded with the safe pad 2 that is used for limiting structure primitive 4 deformation quantities; Structural motif 4 contacted positions with base 6 on the said cover plate 8 are bonded with number of metal bar 3, are connected through lead 5 between the bonding jumper 3; Said structural motif 4 is formed by piezoelectric patches 9 and metal cap 10 bondings; Four jiaos of said base 6 are bonded with locking cap 1, and four jiaos of cover plate 8 are bonded with the dead bolt 7 suitable with locking cap 1.Structural motif 4 adopts the Cymbal structure.Piezoelectric patches 9 can adopt piezoceramic material or monocrystalline piezoelectric material or composite piezoelectric material.Structural motif 4 adopts rectangle.Base 6 can adopt wood materials such as polymeric material such as polyvinyl, polypropylene, polyvinyl chloride, polystyrene, ABS or organic glass or bakelite with cover plate 8.Structural motif 4 employed metal caps 10 can adopt manganese steel, stainless steel, wolfram steel, beryllium copper, phosphor bronze, red copper or other elasticity preferred metal or alloy material.Safe pad 2 recommends to adopt steel to process.Locking cap 1 can adopt metal or plastics to process with dead bolt 7, and the internal diameter of the external diameter of dead bolt 7 and locking cap 1 is complementary.That bonding jumper 3 can adopt is copper, aluminium matter or other metal material are processed.Piezoelectric patches 9 preferred PMNT monocrystal materials, further preferred orientation does<001>Or<110>, form general formula: (1-x) Pb (Mg
1/3Nb
2/3) O
3-xPbTiO
3In the PMNT monocrystal material of 0.20≤x≤0.40.Metal cap 10 adopts the method for line cutting or mould punching press to process.
On base 6, scale copper 3, safe pad 2, locking cap 1 and structural motif 4 are fitly bondd in place, with lead 53 scale coppers are coupled together; On cover plate 8, dead bolt 7 and scale copper 3 are bondd in place, with lead 53 scale coppers are coupled together; Cover plate 8 is covered on base 6, promptly obtained electricity-generating floor of the present invention.
Identical part repeats no more among present embodiment and the embodiment 1, and difference only is: its piezoelectric patches 9 is ceramic materials, and structural motif adopts circular, sees understructure sketch map shown in Figure 7 for details; Structural motif 4 adopts the Moonie structure, and is as shown in Figure 8.
Owing to the present invention is based on piezoelectric, the electricity-generating floor of especially making based on the high-performance monocrystalline piezoelectric material can produce bigger electricity output to the mechanics excitation that applies on it, and the response time is fast; Simple in structure; Easy to make, inexpensive, the mechanical energy that can be widely used in that the collector tramples, walking, jump and various vehicle ' produces; And can convert the mechanical energy of collecting to self-service power supply that electric energy is used for devices such as sensor; Therefore, electricity-generating floor provided by the invention combines with sensor, in medical treatment detection, radio frequency identification, the detection of aircraft bridge and various Environmental Monitoring, is with a wide range of applications.
Should be noted that at last: above embodiment only is the purpose that is used for illustrating mentality of designing of the present invention and scheme; And be not with opposing qualification of the present invention; As long as in essential scope of the present invention, all will drop in the protection domain of the present invention variation, the modification of the above embodiment.
Claims (14)
1. the electricity-generating floor based on piezoelectric comprises base and cover plate, it is characterized in that: be bonded with some bonding jumpers as electrode on the said base, every bonding jumper equal intervals be provided with some structural motifs; Be connected through lead between the said bonding jumper; Interval on the said base between the bonding jumper is bonded with the safe pad that is used for limiting structure primitive deformation quantity; Be bonded with the number of metal bar with the contacted position of the structural motif of base on the said cover plate, be connected through lead between the bonding jumper; Said structural motif is formed by piezoelectric patches and metal cap bonding; Four jiaos of said base are bonded with locking cap, and four jiaos of cover plate are bonded with the dead bolt suitable with locking cap.
2. the electricity-generating floor based on piezoelectric according to claim 1 is characterized in that: said structural motif adopts big cymbals (Cymbal) structure or curved month (Moonie) structure.
3. the electricity-generating floor based on piezoelectric according to claim 1 is characterized in that: said piezoelectric patches adopts piezoceramic material or monocrystalline piezoelectric material or composite piezoelectric material.
4. the electricity-generating floor based on piezoelectric according to claim 3 is characterized in that: when said piezoelectric patches was piezoceramic material, structural motif adopted circular.
5. the electricity-generating floor based on piezoelectric according to claim 3 is characterized in that: when said piezoelectric patches was monocrystalline piezoelectric material, structural motif adopted rectangle.
6. the electricity-generating floor based on piezoelectric according to claim 3 is characterized in that: said monocrystalline piezoelectric material is the PMNT monocrystal material.
7. the electricity-generating floor based on piezoelectric according to claim 6 is characterized in that: said monocrystalline piezoelectric material is the PMNT monocrystal material, is oriented to < 001>or < 110 >.
8. the electricity-generating floor based on piezoelectric according to claim 6 is characterized in that: said monocrystalline piezoelectric material is the PMNT monocrystal material, and forming general formula is (1-x) Pb (Mg
1/3Nb
2/3) O
3-xPbTiO
3, 0.20≤x≤0.40 wherein.
9. the electricity-generating floor based on piezoelectric according to claim 1 is characterized in that: said base and cover plate adopt polymeric material or wood materials.
10. the electricity-generating floor based on piezoelectric according to claim 9 is characterized in that: said polymeric material is meant polyvinyl, polypropylene, polyvinyl chloride, polystyrene, ABS or organic glass; Said wood materials is meant bakelite.
11. the electricity-generating floor based on piezoelectric according to claim 1 is characterized in that: said metal cap adopts manganese steel, stainless steel, wolfram steel, beryllium copper, phosphor bronze or red copper.
12. the electricity-generating floor based on piezoelectric according to claim 1 is characterized in that: said safe pad adopts steel to process.
13. the electricity-generating floor based on piezoelectric according to claim 1 is characterized in that: described locking cap and dead bolt adopt metal or plastics to process, and the external diameter of dead bolt and the internal diameter of locking cap are complementary.
14. the electricity-generating floor based on piezoelectric according to claim 1 is characterized in that: said bonding jumper adopts copper or aluminium to process.
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| CN2011102796036A CN102409833A (en) | 2011-09-20 | 2011-09-20 | Power generation floor based on piezoelectric material |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628381A (en) * | 2013-12-10 | 2014-03-12 | 南京邮电大学 | Power generation floor based on piezoelectric material |
| CN103824933A (en) * | 2014-03-12 | 2014-05-28 | 长安大学 | Road piezoelectric transducer and preparation method and imbedding method thereof |
| JP2016135059A (en) * | 2015-01-22 | 2016-07-25 | タキロン株式会社 | Power generation flooring |
| CN105821732A (en) * | 2016-05-19 | 2016-08-03 | 浙江红高梁木业有限公司 | Composite plastic piezoelectric floor board |
| CN105839887A (en) * | 2016-05-19 | 2016-08-10 | 浙江红高梁木业有限公司 | Smart floor |
| CN105863211A (en) * | 2016-05-19 | 2016-08-17 | 浙江红高梁木业有限公司 | Piezoelectric floorboard |
| CN105863210A (en) * | 2016-05-19 | 2016-08-17 | 浙江红高梁木业有限公司 | Plastic piezoelectric floor |
| CN106013697A (en) * | 2016-05-19 | 2016-10-12 | 浙江红高梁木业有限公司 | Plastic piezoelectric heating floor |
| CN107075859A (en) * | 2014-12-11 | 2017-08-18 | 塔吉特Gdl公司 | Multi-layer floor overlay with sheet type sensor |
| EP3468029A1 (en) * | 2017-10-06 | 2019-04-10 | United Arab Emirates University | Electrical power generating carpet |
| CN112769349A (en) * | 2020-12-25 | 2021-05-07 | 西安交通大学 | Cymbal type piezoelectric single crystal driver |
| CN116607721A (en) * | 2023-05-17 | 2023-08-18 | 东南大学 | Multi-mode friction power self-energy-supply intelligent floor system |
| TWI850078B (en) * | 2023-08-25 | 2024-07-21 | 臺灣銀行股份有限公司 | Customer generating power system and power supply device thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628381A (en) * | 2013-12-10 | 2014-03-12 | 南京邮电大学 | Power generation floor based on piezoelectric material |
| CN103824933A (en) * | 2014-03-12 | 2014-05-28 | 长安大学 | Road piezoelectric transducer and preparation method and imbedding method thereof |
| CN103824933B (en) * | 2014-03-12 | 2016-06-01 | 长安大学 | A kind of road PZT (piezoelectric transducer) and its preparation method and method for posting |
| CN107075859A (en) * | 2014-12-11 | 2017-08-18 | 塔吉特Gdl公司 | Multi-layer floor overlay with sheet type sensor |
| JP2016135059A (en) * | 2015-01-22 | 2016-07-25 | タキロン株式会社 | Power generation flooring |
| CN105839887A (en) * | 2016-05-19 | 2016-08-10 | 浙江红高梁木业有限公司 | Smart floor |
| CN105863211A (en) * | 2016-05-19 | 2016-08-17 | 浙江红高梁木业有限公司 | Piezoelectric floorboard |
| CN105863210A (en) * | 2016-05-19 | 2016-08-17 | 浙江红高梁木业有限公司 | Plastic piezoelectric floor |
| CN106013697A (en) * | 2016-05-19 | 2016-10-12 | 浙江红高梁木业有限公司 | Plastic piezoelectric heating floor |
| CN105821732A (en) * | 2016-05-19 | 2016-08-03 | 浙江红高梁木业有限公司 | Composite plastic piezoelectric floor board |
| EP3468029A1 (en) * | 2017-10-06 | 2019-04-10 | United Arab Emirates University | Electrical power generating carpet |
| US10855209B2 (en) | 2017-10-06 | 2020-12-01 | United Arab Emirates University | Electrical power generating carpet |
| CN112769349A (en) * | 2020-12-25 | 2021-05-07 | 西安交通大学 | Cymbal type piezoelectric single crystal driver |
| CN116607721A (en) * | 2023-05-17 | 2023-08-18 | 东南大学 | Multi-mode friction power self-energy-supply intelligent floor system |
| TWI850078B (en) * | 2023-08-25 | 2024-07-21 | 臺灣銀行股份有限公司 | Customer generating power system and power supply device thereof |
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Application publication date: 20120411 |