CN103236802A - Sound energy power generation device - Google Patents
Sound energy power generation device Download PDFInfo
- Publication number
- CN103236802A CN103236802A CN201310158917XA CN201310158917A CN103236802A CN 103236802 A CN103236802 A CN 103236802A CN 201310158917X A CN201310158917X A CN 201310158917XA CN 201310158917 A CN201310158917 A CN 201310158917A CN 103236802 A CN103236802 A CN 103236802A
- Authority
- CN
- China
- Prior art keywords
- acoustic energy
- weight
- cantilever beam
- opening
- acoustic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010248 power generation Methods 0.000 title abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 28
- 239000002966 varnish Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 10
- 239000010408 film Substances 0.000 description 10
- 239000011133 lead Substances 0.000 description 8
- 238000011160 research Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
本发明提供了一种声能发电装置，其特征在于，包括声能采集装置、悬臂梁、重物和压电陶瓷，声能采集装置的后端具有开口，所述的开口处设有重物，重物的后侧设有压电陶瓷。本发明的声能转化装置可以实现将声能转化为电能，且结构简单，安装、携带方便，可适应不同场合的声电转换，通过声能采集装置大小，悬臂梁长短，悬臂梁前端重物尺寸、质量大小，和压电陶瓷的尺寸大小的改变，以及材料的本身寿命考虑可设计出不同场合的声电转化装置。本发明的声能采集装置除应用于声能收集外，还可广泛运用于光，流体，电磁波的收集，为声能发电的普及提供了可能。
The invention provides a sound energy generating device, which is characterized in that it comprises a sound energy collection device, a cantilever beam, a weight and piezoelectric ceramics, the rear end of the sound energy collection device has an opening, and the opening is provided with a weight , The rear side of the weight is provided with piezoelectric ceramics. The sound energy conversion device of the present invention can realize the conversion of sound energy into electric energy, and has a simple structure, is easy to install and carry, and can adapt to sound-electric conversion in different occasions, through the size of the sound energy collection device, the length of the cantilever beam, and the weight at the front end of the cantilever beam Considering the size, mass, and size of piezoelectric ceramics, as well as the life of the material itself, acoustic-electric conversion devices for different occasions can be designed. The acoustic energy collection device of the present invention can be widely used in the collection of light, fluid and electromagnetic waves in addition to the application of acoustic energy collection, which provides the possibility for the popularization of acoustic energy power generation.
Description
Technical field
The present invention relates to a kind of sound energy power generation device, belong to new energy field.
Background technology
The sound energy power generation technology mainly is divided into piezoelectric type sound energy power generation technology and electromagnetic type sound energy power generation technology both direction, and the former adopts piezoelectric as inverting element, and the latter uses the electromagnetic induction method and realizes that acoustic energy is to the conversion of electric energy.The sound energy power generation machine that the main achievement in research that applying piezoelectric formula sound energy power generation technology obtains has people such as Horowitz S to utilize micromachined technology to make, adopt the annular silicon piezoelectricity composite diaphragm of micromachined as inverting element, under the sound pressure level of 149dB, maximum output electric work density reaches 0.34 μ W/cm
2On original design basis, improve the processing technology level, potential output electric work density can reach 250 μ W/cm
2The main achievement in research that adopts electromagnetic type sound energy power generation technology to obtain has: the acoustic energy microgenerator with high voltage output characteristic of Tenghsien Lai design, utilize the acoustic energy de-energisation to be the micro electromagnetic transducer of 3mm for length and width, under the driving frequency of 470Hz, obtained the maximum induced electromotive force of 0.24mV.
Same benefit enhancing along with human environmental consciousness, discharge standard is more and more stricter, people also strengthen day by day to the reliable demand of uninterrupted electric power, and traditional Blast Furnace Top Gas Recovery Turbine Unit (TRT) can not satisfy human needs, and each state has all begun the research to cleaning, reliable, cheap miniature power generating device.The small-sized electric generating apparatus based on different principle has been set about developing by developed countries such as the U.S., Japan, Holland, Britain, for all kinds of portable sensors, supervisory control system and portable micropower electrical equipment provide the energy; It is that all kinds of portable sensors, supervisory control system are relative with the research of portable micropower electric power supply less that China utilizes little Blast Furnace Top Gas Recovery Turbine Unit (TRT).Research at present at most, the small-sized electric generating apparatus of tool application prospect utilizes electromagnetism and piezoelectric principle to make.
What the present invention adopted is vibration piezoelectric type sound energy power generation device, it belongs to piezoelectric type sound energy power generation technology, utilize designed parabolic type sound wave gathering-device to carry out acoustic wave energy and assemble, inspire cantilever beam and vibrate to impact piezoelectric, can realize the conversion between acoustic energy and the electric energy.The effect of the sound focusing that experiment obtains is remarkable, generally can improve about 8 decibels, and with regard to poly-sound effective value, be very considerable.Though many people have different research to sound energy power generation in recent years, but the problem based on cost and efficient, it can not be popularized, sound energy power generation apparatus structure of the present invention is simple, Material Used does not have specific (special) requirements, and designed parabolic type acoustic energy harvester energy collecting is effective, and popularizing for sound energy power generation becomes possibility.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of device that utilizes acoustic energy to generate electricity.
In order to solve the problems of the technologies described above, technical scheme of the present invention has provided a kind of sound energy power generation device, it is characterized in that, comprise acoustic energy harvester, cantilever beam, weight and piezoelectric ceramic, the rear end of acoustic energy harvester has opening, described opening part is provided with weight, and the rear side of weight is provided with piezoelectric ceramic.
Preferably, the rear and front end of described piezoelectric ceramic respectively connects a lead.
Preferably, the inwall of described acoustic energy harvester is curved surface, and it satisfies y
2=c (c+2x), wherein, x, y are respectively horizontal stroke, the ordinate of putting on the described curved surface, and the x value is less than 1m, and c is 4.24 to 7.07 arbitrary constant, and the opening of acoustic energy harvester is positioned at the x=-c/4 place, and the thickness of acoustic energy harvester is 2mm to 5mm.
Preferably, the opening part of described acoustic energy harvester also is provided with film, the fixedly connected acoustic energy harvester in the edge of film, and the middle part of film is provided with weight.
Preferably, the opening part of described acoustic energy harvester also is provided with cantilever beam, the end welding acoustic energy harvester of cantilever beam, and the other end adheres to weight.
More preferably, the opening of described acoustic energy harvester is circular, and the length of cantilever beam is at 3cm to 5cm, and thickness is less than 2mm, and width is less than 1/4 of the opening radius of acoustic energy harvester.
More preferably, the length of described cantilever beam equates with the opening radius of acoustic energy harvester.
More preferably, described weight is that the cross section is the cylinder of regular geometric figure, and all less than 3mm, the full-size in weight cross section is smaller or equal to the width of cantilever beam in the side-prominent length of cantilever beam two for weight.
More preferably, described weight is that the cross section is square or circular.
Preferably, the distance between described weight and the piezoelectric ceramic is less than 1mm.
The material of described acoustic energy harvester is the high density rigid material, is preferably lead, aluminium alloy, stainless steel or color steel.
Described cantilever beam is the thin metal material of hard.
Described weight is the high density rigid material of surface insulation, is preferably lead, copper, steel or iron.
Evenly smear with insulating varnish on the surface of described weight, makes it non-conductive.
Described weight of heavy is that 5 grams are to 50 grams.
Compared with prior art, the invention has the beneficial effects as follows:
Acoustic energy reforming unit of the present invention can be realized acoustic energy is converted into electric energy, and it is simple in structure, installation, easy to carry, can adapt to the acoustic-electric conversion of different occasions, by acoustic energy harvester size, cantilever beam length, cantilever beam front end weight size, quality size, with the change of the size of piezoelectric ceramic, and of material itself in life-span consider to design the acoustic-electric reforming unit of different occasions.Acoustic energy harvester of the present invention also can be widely used in light except being applied to the acoustic energy collection, fluid, and electromagnetic collection is that universal the providing of sound energy power generation may.
Description of drawings
Fig. 1 is a kind of sound energy power generation apparatus structure schematic diagram;
Fig. 2 is another kind of sound energy power generation apparatus structure schematic diagram.
Embodiment
For the present invention is become apparent, now with preferred embodiment, and conjunction with figs. is described in detail below.
Embodiment 1
As shown in Figure 1, be a kind of sound energy power generation apparatus structure schematic diagram.Described sound energy power generation device is made up of acoustic energy harvester 1, cantilever beam 2, weight 3, piezoelectric ceramic 4 and lead.The rear end of acoustic energy harvester 1 has opening, and described opening part is provided with weight 3 and cantilever beam 2, the end welding acoustic energy harvester 1 of cantilever beam 2, and the other end adheres to weight 3, and the rear side of weight 3 is provided with piezoelectric ceramic 4.The rear and front end of piezoelectric ceramic 4 respectively connects a lead.
The inwall of described acoustic energy harvester 1 is curved surface, and it satisfies y
2=c (c+2x), x, y are respectively horizontal stroke, the ordinate of putting on the described curved surface, and c gets 5cm, and this equation is y
2=10x+25 gets x=60cm, can be regarded as y|
X=60=25cm, the opening of acoustic energy harvester 1 is positioned at x=-c/4=-1.25cm place, y|
X=-1.25=3.5cm, getting acoustic energy harvester thickness is 3mm, and cantilever beam length is 3.5cm, and width is 0.7cm, thickness is 0.6mm, weight is cylindrical, and diameter is 0.6cm, and weight 3 is 1.5mm in 2 liang of side-prominent length of cantilever beam, 4 distances of weight 3 and piezoelectric ceramic are 0.5mm, piezoelectric ceramic 4 is cylindrical, and its cross-sectional dimension is 0.6cm, highly is 1.2cm.The weight of weight 3 is 10 grams.Acoustic energy harvester 1 material is plumbous, and cantilever beam 2 materials are copper, and weight 3 is lead, and smears with insulating varnish, and piezoelectric ceramic 4 is PZT-81.
The present invention collects sound wave and amplifies its energy-flux density with acoustic energy harvester 1, when insonating, cantilever beam 2 can shake thereupon, and drive weight 3 impacts piezoelectric ceramic 4, can produce charge inducing after piezoelectric ceramic 4 is impacted.
Embodiment 2
As shown in Figure 2, be another kind of sound energy power generation apparatus structure schematic diagram.Described sound energy power generation device is made up of acoustic energy harvester 1, weight 3, piezoelectric ceramic 4, film 5 and lead.The rear end of acoustic energy harvester 1 has opening, and described opening part is provided with weight 3 and film 5, the fixedly connected acoustic energy harvester 1 in the edge of film 5, and the central authorities of film 5 are provided with weight 3.The rear side of weight 3 is provided with piezoelectric ceramic 4.The rear and front end of piezoelectric ceramic 4 respectively connects a lead.
The inwall of described acoustic energy harvester 1 is curved surface, and it satisfies y
2=c (c+2x), x, y are respectively horizontal stroke, the ordinate of putting on the described curved surface, and c gets 5cm, and this equation is y
2=10x+25 gets x=60cm, can be regarded as y|
X=60=25cm, the opening of acoustic energy harvester 1 is positioned at x=-c/4=-1.25cm place, y|
X=-1.25=3.5cm, getting acoustic energy harvester thickness is 3mm, film thickness is 12 μ m, weight is cylindrical, and diameter is 0.6cm, and weight 3 is 0.5mm in 5 liang of side-prominent length of film, 4 distances of weight 3 and piezoelectric ceramic are 0.5mm, piezoelectric ceramic 4 is cylindrical, and its cross-sectional dimension is 0.6cm, highly is 1.2cm.The weight of weight 3 is 10 grams.Acoustic energy harvester 1 material is plumbous, and thin-film material is polyester film, and weight 3 is aluminium block, and smears with insulating varnish, and piezoelectric ceramic 4 is PZT-81.
The present invention collects sound wave and amplifies its energy-flux density with acoustic energy harvester 1, when insonating, film 5 can shake thereupon, and drive weight 3 impacts piezoelectric ceramic 4, can produce charge inducing after piezoelectric ceramic 4 is impacted.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158917XA CN103236802A (en) | 2013-05-02 | 2013-05-02 | Sound energy power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158917XA CN103236802A (en) | 2013-05-02 | 2013-05-02 | Sound energy power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103236802A true CN103236802A (en) | 2013-08-07 |
Family
ID=48884825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310158917XA Pending CN103236802A (en) | 2013-05-02 | 2013-05-02 | Sound energy power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103236802A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684046A (en) * | 2013-12-13 | 2014-03-26 | 南京航空航天大学 | Human breath energy collecting device |
| CN104953673A (en) * | 2015-07-11 | 2015-09-30 | 贵州大学 | Charging device capable of realizing sound-electricity conversion |
| CN105245131A (en) * | 2015-11-17 | 2016-01-13 | 江苏理工学院 | Noise piezoelectric power generation device |
| CN105490583A (en) * | 2015-11-30 | 2016-04-13 | 西安易朴通讯技术有限公司 | Charging apparatus and mobile terminal |
| CN109351049A (en) * | 2018-11-27 | 2019-02-19 | 林奇虎 | It is a kind of to strike off etch-proof up-flow settlement of sewage filter plant with current preventative |
| CN113566904A (en) * | 2021-08-04 | 2021-10-29 | 山东金泉仪表有限公司 | Dry-type does not have magnetism NB-IOT water gauge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467236A (en) * | 1981-01-05 | 1984-08-21 | Piezo Electric Products, Inc. | Piezoelectric acousto-electric generator |
| US20080309196A1 (en) * | 2005-12-01 | 2008-12-18 | Illinois Tool Works Inc. | Electrical Generator |
| CN201570995U (en) * | 2009-12-18 | 2010-09-01 | 杭州电子科技大学 | Sound absorption and noise reduction device based on ferroelectric materials |
| CN102057564A (en) * | 2008-01-23 | 2011-05-11 | 犹他大学研究基金会 | Compact thermoacoustic array energy converter |
| CN102820804A (en) * | 2011-06-09 | 2012-12-12 | 山东轻工业学院 | Power generation device by noise |
| CN202652105U (en) * | 2012-07-09 | 2013-01-02 | 华北电力大学（保定） | A compound noise generator |
-
2013
- 2013-05-02 CN CN201310158917XA patent/CN103236802A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467236A (en) * | 1981-01-05 | 1984-08-21 | Piezo Electric Products, Inc. | Piezoelectric acousto-electric generator |
| US20080309196A1 (en) * | 2005-12-01 | 2008-12-18 | Illinois Tool Works Inc. | Electrical Generator |
| CN102057564A (en) * | 2008-01-23 | 2011-05-11 | 犹他大学研究基金会 | Compact thermoacoustic array energy converter |
| CN201570995U (en) * | 2009-12-18 | 2010-09-01 | 杭州电子科技大学 | Sound absorption and noise reduction device based on ferroelectric materials |
| CN102820804A (en) * | 2011-06-09 | 2012-12-12 | 山东轻工业学院 | Power generation device by noise |
| CN202652105U (en) * | 2012-07-09 | 2013-01-02 | 华北电力大学（保定） | A compound noise generator |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684046A (en) * | 2013-12-13 | 2014-03-26 | 南京航空航天大学 | Human breath energy collecting device |
| CN103684046B (en) * | 2013-12-13 | 2016-03-02 | 南京航空航天大学 | A kind of human body respiration energy collecting device |
| CN104953673A (en) * | 2015-07-11 | 2015-09-30 | 贵州大学 | Charging device capable of realizing sound-electricity conversion |
| CN105245131A (en) * | 2015-11-17 | 2016-01-13 | 江苏理工学院 | Noise piezoelectric power generation device |
| CN105245131B (en) * | 2015-11-17 | 2017-07-11 | 江苏理工学院 | Noise piezoelectric generating device |
| CN105490583A (en) * | 2015-11-30 | 2016-04-13 | 西安易朴通讯技术有限公司 | Charging apparatus and mobile terminal |
| CN109351049A (en) * | 2018-11-27 | 2019-02-19 | 林奇虎 | It is a kind of to strike off etch-proof up-flow settlement of sewage filter plant with current preventative |
| CN109351049B (en) * | 2018-11-27 | 2021-05-11 | 华侨城物业(集团)有限公司 | Current protection scraping anti-corrosion upflow type sewage precipitation filtering equipment |
| CN113566904A (en) * | 2021-08-04 | 2021-10-29 | 山东金泉仪表有限公司 | Dry-type does not have magnetism NB-IOT water gauge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103236802A (en) | Sound energy power generation device | |
| CN110445417B (en) | Low-frequency broadband vibration energy harvesting device | |
| CN203896222U (en) | Self-excited vibration mechanism-based multi-directional broadband vibration energy collecting device | |
| Chiba et al. | Extending applications of dielectric elastomer artificial muscle | |
| CN113315408B (en) | Highly integrated combined type vibration energy conversion module facing limited space | |
| CN110034704A (en) | A kind of non-linear piezoelectric generating device of wind-force array magnetic force | |
| CN107086649B (en) | Electromagnetic and piezoelectric composite wave energy collecting device | |
| CN109787510A (en) | A kind of system to be generated electricity using noise | |
| CN112421987A (en) | Piezoelectric-electromagnetic type acoustic energy power generation device | |
| CN112910303B (en) | An acoustic triboelectric nanogenerator based on quarter-wavelength tubes | |
| CN104506086B (en) | Miniature piezoelectric and capacitance composite vibration energy harvester | |
| CN107749671A (en) | Wireless charging device based on friction nanometer power generator | |
| CN108880328A (en) | A kind of Z-type piezoelectric vibrator | |
| CN107809186A (en) | A kind of close-coupled sound wave generating device for broad band low frequency | |
| CN103701363B (en) | A kind of multi-direction piezoelectric-electrcombinedc combinedc energy gathering apparatus | |
| CN104022687A (en) | Multi-directional broadband vibration energy collecting device based on self-excited vibration mechanism | |
| CN108233767B (en) | Low-frequency acoustic energy recovery device | |
| CN201227623Y (en) | Piezoelectric driving vibrator | |
| CN105634331B (en) | A kind of magnetoelectricity piezoelectricity combines generator | |
| CN203181217U (en) | Piezoelectric ceramic bone-conduction microphone | |
| CN107317516B (en) | A kind of boat-carrying self-powered positioning and tracking device | |
| CN101877810A (en) | A piezoelectric speaker using interdigitated or helical electrodes | |
| CN108964518B (en) | Airborne Acoustic Energy Concentration and Collection Devices and Systems | |
| CN203645577U (en) | A multi-directional piezoelectric-electromagnetic composite vibration energy harvesting device | |
| CN207460030U (en) | A kind of three-dimensional multidirectional broadband energy collecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130807 |