CN111106761A - A wind energy generating device based on piezoelectric principle and its realization method - Google Patents
A wind energy generating device based on piezoelectric principle and its realization method Download PDFInfo
- Publication number
- CN111106761A CN111106761A CN201811264852.6A CN201811264852A CN111106761A CN 111106761 A CN111106761 A CN 111106761A CN 201811264852 A CN201811264852 A CN 201811264852A CN 111106761 A CN111106761 A CN 111106761A
- Authority
- CN
- China
- Prior art keywords
- piezoelectric
- trunk
- layer
- wind
- electrode layer
- 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
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000010248 power generation Methods 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000013078 crystal Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims abstract description 4
- 230000005489 elastic deformation Effects 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 39
- 230000006378 damage Effects 0.000 abstract description 4
- 239000011241 protective layer Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Wind Motors (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
一种基于压电原理的风能发电装置及其实现方法，所述基于压电原理的风能发电装置包含基座、压电主干，压电主干固定安装在基座上，所述压电主干最外侧包裹有防护层，内部含有压电层；所述防护层内侧与压电层外侧之间安装有第一电极层，所述压电层内侧安装第二电极层，所述压电主干最内测为支撑体，所述防护层材质为高分子绝缘材料，第一电极层与第二电极层材质为铜，压电层为单晶压电材料，支撑体由多种材质组成，所述压电主干上端安装枝干，所述枝干上安装光伏板，在自然风作用下，压电主干将产生变形，压电层将在两电极层之间产生电压，即可通过电路引出。该种风能发电装置不仅外形美观、不破坏生态，而且具有运转过程稳定、无噪音等优点。
A wind energy power generation device based on piezoelectric principle and a realization method thereof, the wind energy power generation device based on piezoelectric principle comprises a base, a piezoelectric trunk, the piezoelectric trunk is fixedly installed on the base, and the outermost side of the piezoelectric trunk It is wrapped with a protective layer and contains a piezoelectric layer inside; a first electrode layer is installed between the inner side of the protective layer and the outer side of the piezoelectric layer, a second electrode layer is installed inside the piezoelectric layer, and the piezoelectric trunk is measured in the innermost part. It is a support body, the material of the protective layer is a polymer insulating material, the material of the first electrode layer and the second electrode layer is copper, the piezoelectric layer is a single crystal piezoelectric material, the support body is composed of a variety of materials, the piezoelectric A branch is installed on the upper end of the trunk, and a photovoltaic panel is installed on the branch. Under the action of natural wind, the piezoelectric trunk will be deformed, and the piezoelectric layer will generate a voltage between the two electrode layers, which can be drawn out through the circuit. This kind of wind power generation device not only has beautiful appearance, does not damage the ecology, but also has the advantages of stable operation process and no noise.
Description
Technical Field
The invention relates to the field of wind power generation, in particular to a wind power generation device based on a piezoelectric principle and an implementation method thereof.
Background
With the continuous decrease of fossil fuel, wind energy as a renewable energy source becomes more and more important in the process of acquiring energy by human beings. At present, wind power generation is realized on the basis of a Faraday electromagnetic induction principle, namely wind energy is converted into rotary mechanical energy through a windmill, and electric energy is generated by cutting magnetic lines of force after the speed is increased. Firstly, noise and visual pollution of a windmill are caused, because a speed increasing device of the windmill and the like adopt mechanical transmission, a large amount of noise can be generated in the operation process, the windmill has a single structure and a huge volume, and the visual pollution is inevitably caused by the enlargement of the installation scale; secondly, in order to improve the generating capacity of a single machine, the more the windmill blades are made, the larger the area occupied is increased undoubtedly; thirdly, the gravity center of the windmill is high, and blades rotate at medium and high speed in the wind, so that the dynamic stability of the windmill is poor, and windmill accidents occur at times; recent research shows that the windmill can bring serious ecological pollution in the operation process, so that birds are reduced; in addition, the windmill has problems of high cost, difficult maintenance and the like. In order to avoid or reduce the negative effects of windmills, it is common to install windmills offshore or in the field remote from the living area.
The piezoelectric material is a crystal material which can generate voltage between two end faces when being stressed, if pressure is applied to the piezoelectric material, polarization phenomenon can be generated in the piezoelectric material, charges with opposite positive and negative polarities appear on two opposite surfaces of the piezoelectric material, if the pressure is high-frequency vibration, high-frequency current is generated, and after the external force is removed, the piezoelectric material can be restored to an uncharged state. At present, piezoelectric materials are mostly used in the fields of transducers, piezoelectric drivers, sensors and the like, and the piezoelectric materials are applied to the field of power generation by the university of Donghua, so that a 'piezoelectric fiber insole' is developed to charge intelligent equipment when people walk.
Disclosure of Invention
The invention aims to provide a wind power generation device based on a piezoelectric principle and an implementation method thereof, which can not only convert wind energy into electric energy, but also avoid the defects of high noise, high cost, wide occupied area, high gravity center, unattractive appearance, damage to ecological environment and the like of the traditional wind power generation device, so that the wind power generation device can be better suitable for urban environments such as municipal transportation, outdoor squares and the like.
The invention achieves the above purpose by the following technical scheme:
the utility model provides a wind power generation set based on piezoelectricity principle, contains base, piezoelectricity trunk, base fixed mounting is on the horizontal plane, and piezoelectricity trunk fixed mounting is on the base, piezoelectricity trunk outside parcel has the inoxidizing coating, and inside contains piezoelectric layer, electrode layer and supporter.
Install first electrode layer between the inoxidizing coating inboard and the piezoelectric layer outside, the inboard second electrode layer of installing of piezoelectric layer, the piezoelectricity trunk is the supporter to survey innermost, the inoxidizing coating material is polymer insulating material, and first electrode layer and second electrode layer material are copper, and the piezoelectric layer is single crystal piezoelectric material, and the supporter comprises metal material and macromolecular material, installation branch on the piezoelectricity trunk, install the photovoltaic board on the branch.
The photovoltaic board passes through petiole fixed mounting on the branch, the material of petiole is macromolecular material, the photovoltaic board is connected with the one end fixed connection of petiole, the other end and the branch fixed connection of petiole, and the photovoltaic board quantity of installation is greater than 2 on the branch.
A method for realizing the wind power generation device based on the piezoelectric principle is characterized in that the piezoelectric backbone is elastically deformed by utilizing wind load borne by a photovoltaic panel, so that a piezoelectric layer in the piezoelectric backbone is deformed, and power generation is carried out according to the principle that voltage is generated on two end faces of the piezoelectric layer, and the method specifically comprises the following steps:
(1) in a windless state, the wind power generation device based on the piezoelectric principle generates power through the photovoltaic panel arranged on the stem and the blade handle.
(2) Under breeze or medium and low wind speed, wind load borne by the photovoltaic panel acts on the piezoelectric trunk to cause elastic deformation of the piezoelectric trunk, the elastic deformation causes deformation of the piezoelectric layer, voltage is formed on the first electrode layer and the second electrode layer on two end faces of the piezoelectric layer, and then current is formed by leading out the voltage through a circuit.
(3) When the wind speed is close to the elastic deformation limit of the piezoelectric trunk, the blade handle is made of high polymer materials, and the wind load on the photovoltaic panel can cause the elastic deformation of the blade handle, so that the wind resistance on the piezoelectric trunk is reduced, and the deformation of the piezoelectric trunk is reduced.
The wind power generation device based on the piezoelectric principle organically combines photovoltaic power generation and wind power generation, and the power generation efficiency of the wind power generation device is greatly improved.
Compared with the prior art, the invention has the outstanding advantages that:
1. this kind of wind power generation set based on piezoelectricity principle is under the wind effect, and the piezoelectric layer can be the electric energy with the deformation of piezoelectricity trunk for, compares the current wind power generation set that relies on the electromagnetic induction principle, has cancelled mechanical transmission part, has not only effectively reduced focus and fault rate, and under the wind load effect moreover, the generating process noiselessness that sways of piezoelectricity trunk for this kind of wind power generation set based on piezoelectricity principle is applicable to urban environment more.
2. The wind power generation device based on the piezoelectric principle does not depend on electromagnetic induction, so that a strong magnetic environment cannot be generated, the damage of wind power generation to the living environment of birds is avoided, and the ecological environment is more harmonious; the wind power generation device generates power through tree trunk swing, eliminates a blade structure of an existing windmill, reduces cost and floor area, has small inertial load and good dynamic stability in the power generation process, and can effectively avoid windmill accidents.
3. This kind of wind power generation set based on piezoelectricity principle installs branch and photovoltaic blade on piezoelectricity trunk, not only possess arborescent outward appearance, and the vision pollution has been avoided to the thousand attitude of states, and the wind load that the photovoltaic board received in addition will arouse piezoelectricity trunk deformation electricity generation, and this kind of photovoltaic power generation and wind power generation's organic combination has promoted this kind of wind power generation set's generating efficiency by a wide margin through turning the harm into the profit.
Drawings
Fig. 1 is a schematic diagram of a wind power generation device based on a piezoelectric principle.
Fig. 2 is a schematic cross-sectional view of a piezoelectric backbone of the wind power generation device based on the piezoelectric principle.
Fig. 3 is a schematic view of a piezoelectric backbone of the wind power generation device based on the piezoelectric principle.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Referring to fig. 1 and 2, the wind power generation device based on the piezoelectric principle comprises a base 1 and a piezoelectric main body 2, wherein the base 1 is fixedly installed on a horizontal plane, the piezoelectric main body 2 is fixedly installed on the base 1, the outermost side of the piezoelectric main body is wrapped by a protective layer 7, and the piezoelectric main body contains a piezoelectric layer 9, an electrode layer and a supporting body 11.
Comparing fig. 1, fig. 2 and fig. 3, install first electrode layer 8 between inoxidizing coating 7 inboard and the piezoelectric layer 9 outside, the inboard second electrode layer 10 of installing of piezoelectric layer 9, piezoelectricity trunk 2 surveys as supporter 11 at the most, inoxidizing coating 7 material is polymer insulating material, and first electrode layer 8 and second electrode layer 10 material are copper, and piezoelectric layer 9 is single crystal piezoelectric material, and supporter 11 comprises metal material and macromolecular material, installation branch 3 in piezoelectricity trunk 2 upper end, install photovoltaic panel 5 on the branch.
Referring to fig. 1, the photovoltaic panel 5 is fixedly mounted on the branch 3 through the petioles 4, the material of the petioles 4 is a polymer material, the photovoltaic panel 5 is fixedly connected with one end of the petioles 4, the other end of the petioles 4 is fixedly connected with the branch 3, and the number of the photovoltaic panels 5 mounted on the branch 3 is greater than 2.
Referring to fig. 1, 2 and 3, a method for implementing the wind power generation device based on the piezoelectric principle includes the following steps:
in a windless state, the wind power generation device based on the piezoelectric principle generates power through the photovoltaic panel 5 arranged on the stems 4 of the branches 3; under breeze or medium and low wind speed, wind load borne by the photovoltaic panel 5 acts on the piezoelectric backbone 2 to cause elastic deformation of the piezoelectric backbone 2, the elastic deformation causes deformation of the piezoelectric layer 9, voltage is formed on the first electrode layer 8 and the second electrode layer 10 on two end faces of the piezoelectric layer 9, and then current is formed by leading out the voltage through a circuit; when the wind speed is close to the elastic deformation limit of the piezoelectric trunk 2, the blade handle 4 is made of high polymer materials, and the wind load on the photovoltaic panel 5 causes the elastic deformation of the blade handle 4, so that the wind resistance on the piezoelectric trunk 2 is reduced, and the deformation of the piezoelectric trunk 2 is reduced. The wind power generation device based on the piezoelectric principle organically combines photovoltaic power generation and wind power generation, and the power generation efficiency of the wind power generation device is greatly improved.
Claims (4)
1. A wind power generation device based on a piezoelectric principle is characterized in that: contain base, piezoelectricity trunk, base fixed mounting is on the horizontal plane, and piezoelectricity trunk fixed mounting is on the base, piezoelectricity trunk outside parcel has the inoxidizing coating, and inside contains piezoelectric layer, electrode layer and supporter.
2. A wind-powered electricity generating apparatus based on piezoelectric principle as claimed in claim 1, wherein: install first electrode layer between the inoxidizing coating inboard and the piezoelectric layer outside, the inboard second electrode layer of installing of piezoelectric layer, the piezoelectricity trunk is the supporter to survey innermost, the inoxidizing coating material is polymer insulating material, and first electrode layer and second electrode layer material are copper, and the piezoelectric layer is single crystal piezoelectric material, and the supporter comprises metal material and macromolecular material, installation branch on the piezoelectricity trunk, install the photovoltaic board on the branch.
3. A wind-powered electricity generating apparatus based on piezoelectric principle as claimed in claim 1, wherein: the photovoltaic board passes through petiole fixed mounting on the branch, the material of petiole is macromolecular material, the photovoltaic board is connected with the one end fixed connection of petiole, the other end and the branch fixed connection of petiole, and the photovoltaic board quantity of installation is greater than 2 on the branch.
4. A method for implementing a wind energy plant based on piezoelectric principle, suitable for claim 1, characterized in that: the method comprises the following steps of utilizing wind load borne by a photovoltaic panel to cause elastic deformation of a piezoelectric backbone, so that a piezoelectric layer in the piezoelectric backbone deforms, and further generating power according to the principle that voltage is generated on two end faces of the piezoelectric layer, wherein the method comprises the following specific steps:
(1) in a windless state, the wind power generation device based on the piezoelectric principle generates power through the photovoltaic panel arranged on the stem and the leaf stalk;
(2) under breeze or medium and low wind speeds, wind load borne by the photovoltaic panel acts on the piezoelectric trunk to cause elastic deformation of the piezoelectric trunk, the elastic deformation causes deformation of the piezoelectric layer, voltage is formed on the first electrode layer and the second electrode layer on two end faces of the piezoelectric layer, and then the voltage is led out through a circuit to form current;
(3) when the wind speed is close to the elastic deformation limit of the piezoelectric trunk, the wind load borne by the photovoltaic panel can cause elastic deformation of the blade handle, so that the wind resistance borne by the piezoelectric trunk is reduced, and the deformation of the piezoelectric trunk is further reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811264852.6A CN111106761A (en) | 2018-10-29 | 2018-10-29 | A wind energy generating device based on piezoelectric principle and its realization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811264852.6A CN111106761A (en) | 2018-10-29 | 2018-10-29 | A wind energy generating device based on piezoelectric principle and its realization method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111106761A true CN111106761A (en) | 2020-05-05 |
Family
ID=70420171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811264852.6A Pending CN111106761A (en) | 2018-10-29 | 2018-10-29 | A wind energy generating device based on piezoelectric principle and its realization method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111106761A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872498A (en) * | 2020-06-30 | 2021-12-31 | 山东交通学院 | A trunk rotatable tree-like photovoltaic blade supporting mechanism for photovoltaic power generation |
| CN116928012A (en) * | 2023-06-27 | 2023-10-24 | 太原科技大学 | Self-adaptive double-drive lift-drag composite wind power generation device based on flexible piezoelectric material |
-
2018
- 2018-10-29 CN CN201811264852.6A patent/CN111106761A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872498A (en) * | 2020-06-30 | 2021-12-31 | 山东交通学院 | A trunk rotatable tree-like photovoltaic blade supporting mechanism for photovoltaic power generation |
| CN116928012A (en) * | 2023-06-27 | 2023-10-24 | 太原科技大学 | Self-adaptive double-drive lift-drag composite wind power generation device based on flexible piezoelectric material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Saad et al. | Comparison of horizontal axis wind turbines and vertical axis wind turbines | |
| WO2007048001A8 (en) | Wind energy harnessing apparatuses, systems, methods, and improvements | |
| CN201981827U (en) | Magnetic suspension type earthquake-proof house | |
| CN113236495B (en) | New energy vertical power generation device | |
| CN201155429Y (en) | Low resistance vertical axis wind power generation equipment | |
| CN111106761A (en) | A wind energy generating device based on piezoelectric principle and its realization method | |
| Shrestha et al. | A fidget spinner-inspired hybrid breeze wind energy harvester for self-sustainable wireless environmental monitoring system | |
| CN203881846U (en) | Wind turbine power prediction device | |
| CN203867778U (en) | Modularized wind power generation device | |
| CN205640704U (en) | Scene ability power generation facility for street lamp | |
| CN204283752U (en) | A kind of small off-grid wind power generation system | |
| CN204239157U (en) | A kind of small-size wind power-generating equipment | |
| CN201321946Y (en) | Water drop generation device | |
| CN105134507A (en) | Breeze power generator blade structure | |
| CN202645867U (en) | Piezoelectric type wind power generation device | |
| CN205047375U (en) | Aerogenerator with anti function that freezes | |
| CN108799004A (en) | Composite type wind power generation device | |
| CN204961172U (en) | Generating set suitable for wind power generation view tree | |
| CN210829604U (en) | A power generation device that uses solar, wind, and rain potential energy to generate electricity | |
| CN102011705A (en) | Wind power generator | |
| CN203146228U (en) | Floating flow guide type vertical axis wind driven generator | |
| CN202811206U (en) | Air-exchanging type wind power generation device | |
| CN201196132Y (en) | Power generation device by utilizing air pressure difference and temperature difference | |
| CN209557161U (en) | A kind of separate excitation oscillatory type wind energy current collecting equipment | |
| CN207165586U (en) | A kind of novel solar power generation pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200505 |