CN111245293A - Elastic vibration type wind power generation device - Google Patents

Elastic vibration type wind power generation device Download PDF

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Publication number
CN111245293A
CN111245293A CN202010060648.3A CN202010060648A CN111245293A CN 111245293 A CN111245293 A CN 111245293A CN 202010060648 A CN202010060648 A CN 202010060648A CN 111245293 A CN111245293 A CN 111245293A
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CN
China
Prior art keywords
power generation
wind
flexible material
wind power
connecting portion
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Pending
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CN202010060648.3A
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Chinese (zh)
Inventor
朱群志
肖亮
李琛
朱胜奎
张涛
刘义元
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Shanghai University of Electric Power
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Shanghai University of Electric Power
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Application filed by Shanghai University of Electric Power filed Critical Shanghai University of Electric Power
Priority to CN202010060648.3A priority Critical patent/CN111245293A/en
Publication of CN111245293A publication Critical patent/CN111245293A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/185Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/186Vibration harvesters

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  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

The invention relates to an elastic vibration type wind power generation device which is arranged on an outer wall (6) of a building and comprises a substrate (1) and a plurality of power generation units (2) fixed on one side surface of the substrate (1) in an array mode, wherein each power generation unit (2) comprises a piezoelectric ceramic power generation block (3) fixed on one side surface of the substrate (1), a flexible material connecting piece (4) fixedly connected with the piezoelectric ceramic power generation block (3) and a light windward driving mechanism (5) fixedly connected with the flexible material connecting piece (4), the piezoelectric ceramic power generation blocks (3) of the power generation units (2) are connected through a lead, and the lead is connected with a processing circuit at the rear end. Compared with the prior art, the wind power generation device has the advantages of simple structure, light weight, capability of sensing variable wind speed and wind direction more effectively, good power generation effect and the like.

Description

Elastic vibration type wind power generation device
Technical Field
The invention relates to a wind power generation device, in particular to an elastic vibration type wind power generation device.
Background
Wind energy is a clean energy source. In the utilization of wind energy, the business is essentially limited to the generation of electricity using impeller fans. The impeller captures wind energy, the wind energy is converted into kinetic energy per se, and then the generator is driven to generate electricity. However, wind generators have high requirements for wind speed and are difficult to use in places with few wind resources. Considerable wind power resources exist in cities, and can be used as part of energy sources for supplementary utilization.
In the aspect of utilizing wind energy of the building outer wall, patent CN103762895A discloses a piezoelectric wind power generation system for the building outer wall, which generates electric energy by arranging a power generation unit on the building outer wall to drive the piezoelectric power generation sheets crossing each other to deform. The system can effectively utilize wind energy of the building outer wall through the columnar piezoelectric power generation unit, but the patent is not enough that the columnar piezoelectric power generation unit is formed by connecting a plurality of piezoelectric plates with a cylinder at the top after the piezoelectric plates are mutually spliced and serves as a movable supporting component, and the piezoelectric plates are mutually spliced and easily fall off due to overweight or unstable structural connection; in addition, the patent is poor in utilization of wind energy perpendicular to the wall surface, and the use value is not high enough.
Patent CN 2018106981413 is through arranging the piezoelectricity power generation module perpendicularly at the building outer wall surface, lets wind energy direct action produce deformation on great piezoelectricity power generation piece and generates electricity, and the design of rethread modularization makes the better wind energy that utilizes city building outer surface of system simultaneously. However, the patent directly draws wind through the sheet piezoelectric ceramic, the piezoelectric ceramic material has large usage amount and single arrangement form, and the wind energy is not fully utilized, and particularly the utilization effect on breeze near the wall surface is poor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the elastic vibration type wind power generation device which has good wind energy utilization effect, light weight and simple structure.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an elastic vibration formula wind power generation set, the device locates on the building outer wall, including the base plate with a plurality of generating unit that are fixed in a base plate side with the form of array, each generating unit including the piezoceramics generating block that is fixed in a base plate side, the light driving mechanism that is faced the wind with flexible material connecting piece rigid coupling of flexible material connecting piece and with the flexible material connecting piece rigid coupling, the piezoceramics generating block of each generating unit is connected through the wire, the wire connect the processing circuit of rear end.
Preferably, the light windward driving mechanism comprises a connecting part fixedly connected with the flexible material connecting part and a cross-shaped structural plate fixedly connected with the connecting part, and the end part of the connecting part and the flexible material connecting part are provided with matched end part connecting structures.
Preferably, the cross structure plate and the connecting part are made of light materials.
Preferably, the cross-shaped structural plate and the connecting part are made of light aluminum plates or carbon fiber materials.
Preferably, the flexible material connecting member is a spring.
Preferably, the connecting part is of a circular truncated cone structure, the outer diameter of the top surface of the connecting part is matched with the inner diameter of the spring, and the connecting part is inserted into the spring.
Preferably, four power generation units are arranged on each substrate.
Preferably, the four power generation units are arranged in a square structure.
Compared with the prior art, the invention has the following advantages:
1) the device has simple structure, and the light windward driving mechanism can also move even by weak wind energy, and can vibrate along with the change of wind due to the existence of the flexible material connecting piece, and simultaneously transfer energy to the piezoelectric ceramic power generation block, thereby having better wind power generation effect;
2) according to the lightweight windward driving mechanism, the cross-shaped structural plate is connected with the flexible material piece through the connecting part, and the cross-shaped structural plate is used for receiving wind energy, so that changeable wind directions and wind speeds can be sensed better, the sensing capability on weak wind is improved, vibration can be generated along with the change of wind, and further, the piezoelectric ceramic generates powerful deformation in the direction vertical to the wall surface;
3) the cross-shaped structural plate is fixedly connected with the connecting part, and both the cross-shaped structural plate and the connecting part are made of light materials, so that the light weight can be prevented from falling off from the light windward driving mechanism;
4) the device can be arranged in a place with wind resources in a large scale in an array form, has high sensitivity, can utilize weak wind energy, and has strong use value.
Drawings
Fig. 1 is a schematic structural view of an elastic vibration type wind power generation device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an elastic vibration type wind power generation device installed on a wall body according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a power generating unit of an elastic vibration type wind power generating device according to an embodiment of the present invention;
the reference numbers in the figures indicate:
1. the device comprises a substrate, 2, a power generation unit, 3, a piezoelectric ceramic power generation block, 4, a flexible material connecting piece, 5, a light windward driving mechanism, 51, a cross-shaped structural plate, 52, a connecting part, 6 and an outer wall of a building.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
As shown in fig. 1 and 2, the elastic vibration type wind power generator includes a base plate 1 and a plurality of power generating units 2, and the plurality of power generating units 2 are fixed on one side panel of the base plate 1 in an array form. Each power generation unit 2 comprises a piezoelectric ceramic power generation block 3, a flexible material connecting piece 4 and a light windward driving mechanism 5. One end of the piezoelectric ceramic power generation block 3 is fixed on the substrate 1, the other end of the piezoelectric ceramic power generation block 3 is fixed with a flexible material connecting piece 4, and the other end of the flexible material connecting piece 4 is provided with a light windward driving mechanism 5. Preferably, the flexible material connecting element 4 is made of flexible material such as spring. When the piezoelectric ceramic power generation device is used, the plurality of substrates 1 are attached to the surface of the building outer wall 6 in an array mode, the plurality of power generation units 2 are symmetrically arranged on each substrate 1, the piezoelectric ceramic power generation blocks 3 of the power generation units 2 can be connected through wires, and the piezoelectric ceramic power generation blocks are arranged according to actual conditions. Preferably, four identical power generation units 2 may be arranged on each substrate 1, and the four identical power generation units 2 are arranged in a square structure.
As shown in fig. 3, the lightweight windward driving mechanism 5 includes a cross-shaped structural plate 51 and a connecting portion 52, the cross-shaped structural plate 51 is fixedly connected with the connecting portion 52, and the cross-shaped structural plate 51 and the connecting portion 52 are made of lightweight aluminum plate or carbon fiber material. The connecting portion 52 is fixedly connected with the flexible material connecting member 4, and the two are provided with matched end connecting structures. The design of the cross-shaped structural plate 51 can better sense wind in multiple directions such as up, down, left and right directions and variable wind speed, and then the vibration is generated along with the change of the wind.
Preferably, when the flexible material connecting member 4 is a spring, the connecting portion 52 is a truncated cone structure, the outer diameter of the top surface of the connecting portion 52 matches the inner diameter of the spring, and the connecting portion 52 is inserted into the spring.
When wind blows, the light windward driving mechanism can convert kinetic energy of the wind into self kinetic energy so as to swing left and right, meanwhile, the energy acts on the piezoelectric ceramic power generation block through the spring so as to generate pulse current, and then the pulse current is transmitted to a processing circuit at the rear end through a lead. After the power output of the power generation units is connected to the processing circuit at the rear end for integration, higher output power can be obtained, and further, the power generation units can directly supply power for low-power electric appliances or charge storage batteries. The device can be arranged in a place with wind resources in a large scale in an array form, has high sensitivity, can utilize weak wind energy, and has strong use value.
The invention has simple structure and good effect, and can make the light windward driving mechanism generate motion even if weak wind energy exists, and because of the existence of the flexible material, the light windward driving mechanism can vibrate along with the change of wind and simultaneously transfer energy to the piezoelectric ceramic power generation block. The force can make the piezoelectric ceramics generate deformation in the direction vertical to the wall surface, thereby generating pulse current.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides an elastic vibration formula wind power generation set, its characterized in that, the device is located building outer wall (6), including base plate (1) and a plurality of power generation unit (2) of being fixed in base plate (1) one side with the form of array, each power generation unit (2) including be fixed in piezoceramics power generation piece (3) of base plate (1) one side, flexible material connecting piece (4) with piezoceramics power generation piece (3) rigid coupling and with light driving mechanism (5) that face the wind of flexible material connecting piece (4) rigid coupling, connect through the wire between the piezoceramics power generation piece (3) of each power generation unit (2), the processing circuit of rear end is connected to the wire.
2. An elastically vibrating wind power plant according to claim 1, wherein the lightweight wind-facing driving mechanism (5) comprises a connecting portion (52) fixedly connected to the flexible material connecting member (4), and a cross-shaped structural plate (51) fixedly connected to the connecting portion (52), and the end of the connecting portion (52) and the flexible material connecting member (4) are provided with a matching end connecting structure.
3. An elastically vibrating wind power plant according to claim 2, wherein said cross-structure plate (51) and said connecting portion (52) are made of a light material.
4. A resilient vibratory wind power apparatus as claimed in claim 3 wherein said cross-structure plates (51) and said connecting portions (52) are of lightweight aluminum sheet or carbon fiber material.
5. An elastically vibrating wind-power unit according to claim 2, characterised in that said flexible material connecting element (4) is a spring.
6. A resilient vibratory wind power apparatus as claimed in claim 5 wherein said connecting portion (52) is of a frusto-conical configuration, the top surface of said connecting portion (52) having an outer diameter sized to match the inner diameter of the spring into which said connecting portion (52) is inserted.
7. A resiliently vibrating wind power plant according to claim 1, wherein four power generating cells (2) are arranged on each of said base plates (1).
8. A resilient vibration wind power unit according to claim 7, wherein four power generating units (2) are arranged in a square configuration.
CN202010060648.3A 2020-01-19 2020-01-19 Elastic vibration type wind power generation device Pending CN111245293A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112400787A (en) * 2020-11-12 2021-02-26 胡满 Power-free oxygenation decontamination pump for aquarium fish culture

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101741278A (en) * 2010-03-24 2010-06-16 上海交通大学 Dynamic vibration absorber-based device for collecting piezoelectric vibration energy
CN102684553A (en) * 2012-06-01 2012-09-19 浙江师范大学 Suspended piezoelectric wind energy collector
CN103762895A (en) * 2014-02-17 2014-04-30 重庆大学 Piezoelectric type wind power generation system on building outer wall
JPWO2013103009A1 (en) * 2012-01-05 2015-05-11 富士通株式会社 Power generator
CN205377711U (en) * 2016-01-26 2016-07-06 金陵科技学院 Omnirange piezoelectric power generating device
CN107733285A (en) * 2017-11-20 2018-02-23 西北工业大学 One kind is used for underwater omnidirectional position vortex-induced vibration TRT
CN108667340A (en) * 2018-05-10 2018-10-16 浙江大学 A kind of wind-driven generator based on electrostatic mechanism
CN109915408A (en) * 2019-04-26 2019-06-21 江苏理工学院 One kind having noise-reduction energy-saving radiation fan on vehicle blade

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101741278A (en) * 2010-03-24 2010-06-16 上海交通大学 Dynamic vibration absorber-based device for collecting piezoelectric vibration energy
JPWO2013103009A1 (en) * 2012-01-05 2015-05-11 富士通株式会社 Power generator
CN102684553A (en) * 2012-06-01 2012-09-19 浙江师范大学 Suspended piezoelectric wind energy collector
CN103762895A (en) * 2014-02-17 2014-04-30 重庆大学 Piezoelectric type wind power generation system on building outer wall
CN205377711U (en) * 2016-01-26 2016-07-06 金陵科技学院 Omnirange piezoelectric power generating device
CN107733285A (en) * 2017-11-20 2018-02-23 西北工业大学 One kind is used for underwater omnidirectional position vortex-induced vibration TRT
CN108667340A (en) * 2018-05-10 2018-10-16 浙江大学 A kind of wind-driven generator based on electrostatic mechanism
CN109915408A (en) * 2019-04-26 2019-06-21 江苏理工学院 One kind having noise-reduction energy-saving radiation fan on vehicle blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112400787A (en) * 2020-11-12 2021-02-26 胡满 Power-free oxygenation decontamination pump for aquarium fish culture

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Application publication date: 20200605