CN105006993A - Vertical shaft rotary excitation type wind energy capture device - Google Patents

Vertical shaft rotary excitation type wind energy capture device Download PDF

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Publication number
CN105006993A
CN105006993A CN201510443456.XA CN201510443456A CN105006993A CN 105006993 A CN105006993 A CN 105006993A CN 201510443456 A CN201510443456 A CN 201510443456A CN 105006993 A CN105006993 A CN 105006993A
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CN
China
Prior art keywords
permanent magnet
rotating shaft
disk
cantilever
excitation type
Prior art date
Application number
CN201510443456.XA
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Chinese (zh)
Inventor
董帝渤
陈维山
郝亚强
石胜君
侯珍秀
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哈尔滨工业大学
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Application filed by 哈尔滨工业大学 filed Critical 哈尔滨工业大学
Priority to CN201510443456.XA priority Critical patent/CN105006993A/en
Publication of CN105006993A publication Critical patent/CN105006993A/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The invention provides a vertical shaft rotary excitation type wind energy capture device, relates to a wind energy capture device and aims at solving problems that small elastic sheet type piezoelectric power generation devices are complex in structure, high in cost, low in power generation efficiency and difficult to widely popularize. The vertical shaft rotary excitation type wind energy capture device comprises a pedestal, a shell, a rotating shaft, circular discs, a dynamic wind wheel, M groups of excitation permanent magnets, M groups of simulated permanent magnets and M cantilever beam piezoelectric energy harvesters. One end of the rotating shaft is rotatably installed at the middle part of the pedestal. The circular discs are fixedly installed on the rotating shaft. The M groups of excitation permanent magnets are evenly distributed and installed on the external circumferential side surface of each circular disc along the circumferential direction of the circular disc. The M cantilever beam piezoelectric energy harvesters are evenly distributed and installed on the pedestal along the circumferential direction of the circular disc. The other end of the rotating shaft penetrates through the shell. The drying wind wheel is installed at the other end of the rotating shaft. The vertical shaft rotary excitation type wind energy capture device is used for wind power generation.

Description

Vertical axis revolving excitation type wind energy is floating obtains device

Technical field

The present invention relates to a kind of wind energy trap setting, be specifically related to a kind of vertical axis revolving excitation type wind energy trap setting, belong to wind power generation new energy field.

Background technology

Along with gradually reducing of natural resources, the energy of consumption of natural resource and the repeated multiple times use of energy is not is not constantly researched and developed, and utilize nature wind energy to generate electricity, for various outdoor facilities carries out the development trend that self-powered system meets current energy-saving and environmental protection, low-carbon (LC), but traditional wind power generation is all adopt larger turned blade to drive generating,, on installing and using, there is the problem that large, the very difficult large area of volume is universal in this traditional mode.

The patent application that publication date is on January 1st, 2014, publication number is CN103490667A, denomination of invention is " Reed-type piezoelectric generating device and method ", it proposes a kind of piezoelectric effect of elastic piezoelectric sheet that adopts first and carries out the small wind-driven generator generated electricity, successfully avoid conventional wind to generate electricity bulky problem, there is the advantages such as adaptability is extensive; But its complex structure, cost are high, generating efficiency is low and very difficult large area is popularized.

Summary of the invention

The present invention solves the complex structure that existing mini elastic plate piezoelectric Blast Furnace Top Gas Recovery Turbine Unit (TRT) exists, the problem that cost is high, generating efficiency is low and very difficult large area is universal, provides a kind of vertical axis revolving excitation type wind energy to float and obtains device.

The present invention is the technical scheme taked that solves the problem:

Vertical axis revolving excitation type wind energy of the present invention is floating obtains that device comprises base, shell, rotating shaft, disk, dynamic wind wheel, M group exciting permanent magnet, M group are excited permanent magnet and M cantilever beam piezoelectric harvester; Wherein M is positive integer, M >=8; Often group is excited permanent magnet and is two and is excited permanent magnet; Often organizing exciting permanent magnet is two exciting permanent magnets; It is contrary that M group exciting permanent magnet and M group are excited the polarity of permanent magnet;

One end of rotating shaft is rotatably installed in the middle part of base, rotating shaft is fixed with disk, the circumferential lateral surface of each disk is provided with M group exciting permanent magnet along the circumference of disk is uniform, base is provided with M cantilever beam piezoelectricity floating energy device along the circumference of disk is uniform, the piezoelectric patches that each cantilever beam piezoelectricity floats energy device is vertically arranged, each cantilever beam piezoelectricity floats and the relative two sides of piezoelectric patches of device respectively can be provided with one and be excited permanent magnet, M group is excited permanent magnet and is arranged near the circumferential lateral surface of disk, M group exciting permanent magnet and M group are excited the conglobate concentric internal and external double-circular structure of permanent magnet structure, jacket is at disk, M group exciting permanent magnet, be excited permanent magnet, M cantilever beam piezoelectricity is floating can device be connected with base seal, the other end of rotating shaft is through shell, dynamic wind wheel is arranged on the other end of rotating shaft.

Beneficial aspects of the present invention is: vertical axis revolving excitation type wind energy trap setting of the present invention drives mainly through rotating shaft the horizontal reciprocating of the multiple cantilever beam piezoelectric harvesters be distributed on around it to swing and generates electricity.The pinching end of cantilever beam piezoelectric harvester is fixed in the groove on base, and the relative two sides of the piezoelectric patches of free end respectively bonding one be excited permanent magnet.And a disk is installed on the rotary shaft, also exciting permanent magnet is installed respectively in the circumferential lateral surface of disk.Be arranged on exciting permanent magnet in disk be arranged on cantilever beam piezoelectric harvester to be excited permanent magnet corresponding on sustained height and concentric inside and outside circle side face respectively.When the wind-force of outside drives dynamic wind wheel to rotate, rotation is passed to rotating shaft by dynamic wind wheel, by the exciting permanent magnet in rotating shaft drive disk and disk around center axis thereof.Because the exciting permanent magnet in disk attracts the permanent magnet of being excited that is bonded on cantilever beam piezoelectric harvester, and then cantilever beam piezoelectric harvester exciting is made to produce electric energy.

Vertical axis revolving excitation type wind energy trap setting of the present invention adopts and the mode of cantilever beam piezoelectric harvester exciting is generated electricity, and process and assemble is very easy, and structure is simple; In addition, the length can stretched out by controlling cantilever beam piezoelectric harvester makes it in exciting process, have ideal excited frequency, improves generating efficiency.Generating efficiency improves 45%-65%.

Vertical axis revolving excitation type wind energy trap setting of the present invention has that structure is simple, cost is lower, generating efficiency is high, can realize the universal advantage of large area.

Accompanying drawing explanation

Fig. 1 is the generalized section of vertical axis revolving excitation type wind energy trap setting of the present invention, Fig. 2 is disk, rotating shaft, dynamic wind wheel and cantilever beam piezoelectricity float can the structural representation that is connected of device, Fig. 3 is disk, rotating shaft and cantilever beam piezoelectricity float can the structural representation that is connected of device, Fig. 4 is the schematic diagram of cantilever beam piezoelectric harvester and rotating shaft space correspondence position in the present invention, Fig. 5 is the structural representation of wind wheel, Fig. 6 is the structural representation that disk is connected with exciting permanent magnet, and Fig. 7 is the principle schematic that rotating shaft drives the distortion of cantilever beam piezoelectric harvester and generating.

Embodiment

Embodiment one: composition graphs 1-Fig. 6 illustrates, the vertical axis revolving excitation type wind energy of present embodiment is floating obtains that device comprises base 1, shell 6, rotating shaft 12, disk 13, dynamic wind wheel 14, M group exciting permanent magnet 17, M group are excited permanent magnet 18 and M cantilever beam piezoelectric harvester 3; Wherein M is positive integer, M >=8; Often group is excited permanent magnet and is two and is excited permanent magnet 18; Often organizing exciting permanent magnet is two exciting permanent magnets 17; It is contrary that M group exciting permanent magnet 17 and M group are excited the polarity of permanent magnet 18;

One end of rotating shaft 12 is rotatably installed in the middle part of base 1, rotating shaft 12 is fixed with disk 13, the circumferential lateral surface of each disk 13 is provided with M group exciting permanent magnet along the circumference of disk 13 is uniform, base 1 is provided with M cantilever beam piezoelectricity floating energy device 3 along the circumference of disk 13 is uniform, the piezoelectric patches that each cantilever beam piezoelectricity floats energy device 3 is vertically arranged, each cantilever beam piezoelectricity floats and the relative two sides of piezoelectric patches of device 3 respectively can be provided with one and be excited permanent magnet 18, M group is excited permanent magnet 18 and is arranged near the circumferential lateral surface of disk 13, M group exciting permanent magnet 17 and M group are excited the conglobate concentric internal and external double-circular structure of permanent magnet 18 structure, shell 6 covers on disk 13, M group exciting permanent magnet 17, be excited permanent magnet 18, M cantilever beam piezoelectricity is floating can device 3 be tightly connected with base 1, the other end of rotating shaft 12 is through shell 6, dynamic wind wheel 14 is arranged on the other end of rotating shaft 12.

The vertical axis axial excitation formula fluid dynamic energy trap setting of present embodiment is when manufacture, phosphor bronze selected by the substrate of cantilever beam piezoelectric harvester 3, with sand paper, the oxide-film on its surface is removed, and piezoelectric patches 19 and be excited magnet sheet 18 bonding before need to clean with acetone, bonding complete after with thin wire each block cantilever beam piezoelectric harvester 3 piezoelectric patches up and down two surface connects, respectively extraction two electrodes.

The cantilever beam piezoelectric harvester 3 of the vertical axis revolving excitation type wind energy trap setting of present embodiment primarily of elastomer and piezoelectric ceramic piece composition, being excited permanent magnet 18 is distributed on internal and external double-circular structure concentric with exciting permanent magnet 17 formation in the same plane of fixing opposite magnetic pole on disk 13 around rotating shaft 12.This embodiment compact conformation, flexible design, reduces the difficulty of process and assemble, maintains superior generating effect simultaneously.

The exciting permanent magnet of present embodiment or be excited all available permanent magnet of permanent magnet and replace.Shell 6 and base 1 are tightly connected by sealing ring 2.The medial surface 23 of disk 13 is arranged on rotating shaft 12 by the key on keyway 24.

Composition graphs 6-Fig. 7 illustrates, the unidirectional arrow in Fig. 7 represents the direction of rotation of exciting permanent magnet 17, and double-head arrow direction represents is excited permanent magnet 18 swaying direction.Fig. 6 is that the circumferential lateral surface of disk 13 is provided with eight groups of exciting permanent magnets, totally ten six exciting permanent magnets, Fig. 7 is that disk 13 rotation drives cantilever beam piezoelectric harvester to be out of shape the principle schematic generated electricity, the both sides of the piezoelectric patches of each cantilever beam piezoelectric harvester are respectively bonded with one and are excited permanent magnet, and two magnetic polarities of being excited permanent magnet are contrary.When dynamic wind wheel 5 rotates, drive disk 13 to rotate, exciting permanent magnet 17 adsorbs the opposite polarity permanent magnet 18 of being excited be bonded on cantilever beam piezoelectric harvester, and then makes cantilever beam piezoelectric harvester horizontal reciprocating beat exciting produce electric energy.

Embodiment two: composition graphs 2 illustrates, the dynamic wind wheel 14 of present embodiment comprises link 21 and multiple blade 22, and link 21 is provided with multiple blade 22 along the circumference of rotating shaft 12 is uniform.Setting like this, structure is simple, and it is reliably convenient to install, and can meet actual needs, and the dynamic wind wheel 14 of present embodiment is arranged on rotating shaft 12 by bolt 15 and pad 16.Other is identical with embodiment one.

Embodiment three: composition graphs 2 illustrates, the blade 22 of present embodiment is circular arc vane.Setting like this, the opening of the blade on dynamic wind wheel in turn in the same way, is conducive to dynamic wind wheel like this and rotates in turn windward.Blade is shown in that wind just turns, and time leeward, the back side wind of blade also can pass through rapidly, and catch wind better effects if, generating efficiency improves 50%, and rotary resistance is less, meets actual needs.Other is identical with embodiment two.

Embodiment four: composition graphs 3 illustrates, it can the quantity of device 3 be eight that the cantilever beam piezoelectricity of present embodiment floats.Setting like this, eight cantilever beam piezoelectricity float the needs that energy device can meet actual power, simple and compact for structure, reasonable in design.Other with embodiment one, two or three identical.

Embodiment five: composition graphs 2 illustrates, the quantity of the blade 5-2 of present embodiment is 4.Setting like this, the opening of the blade on dynamic wind wheel in turn in the same way, is conducive to dynamic wind wheel like this and rotates in turn windward.Blade is shown in that wind just turns, and time leeward, the back side wind of blade also can pass through rapidly, and catch wind better effects if, generating efficiency improves 55%, and rotary resistance is less, meets actual needs.Other is identical with embodiment three.Other is identical with embodiment three.

Embodiment six: composition graphs 1 illustrates, device described in present embodiment also comprises pressure ring 4, and base 1 is hubbed flange base; The end face that pressure ring 4 is arranged in the neck 1-1 of base 1 compresses M cantilever beam piezoelectric harvester 3, pressure ring 4 is integrally connected with the neck of base 1 by multiple screw 5, the circumferential lateral surface of each disk 13 is processed with M groove along the circumference of disk 13 is uniform, in each groove, is equipped with two exciting permanent magnets 17.Setting like this, exciting magnet sheet 13 fixing-stable is reliable, easy to use, and the neck 1-1 of holder offers narrow groove 17, is excited permanent magnet 14 to be inserted in narrow groove 17.Other with embodiment one, two, three or five identical.

Embodiment seven: composition graphs 1 and Fig. 3 illustrate, device described in present embodiment also comprises two pressing plates, 8, two pressing plates 8 and to be located on rotating shaft 12 and to be connected with disk 13, and M group exciting permanent magnet 17 is positioned on disk 13 by two pressing plates 8.Setting like this, two pressing plates are the upper-lower position of M group exciting permanent magnet in positioning discs 13 respectively, and often group exciting permanent magnet is stablized firm, and pressing plate 8 is fixed on rotating shaft 12 by the shaft shoulder and trim ring 10.Other is identical with embodiment six.

Embodiment eight: composition graphs 1 illustrates, device described in present embodiment also comprises end cap 7, and end cap 7 is arranged between dynamic wind wheel 14 and shell 6, and end cap 7 to be located on rotating shaft 12 and to mount cover on shell 6.Setting like this, ensures that shell is firmly stable, when specifically using; rotating shaft 12 is rotatably installed on base 1 by bearing; end cap 7 and base 1 are connected as one by bolt 15, and end cap 7 also plays the effect of protection disk 13 and M cantilever beam piezoelectric harvester 3, reaches the object of stable operation.Other is identical with embodiment seven.

Claims (8)

1. vertical axis revolving excitation type wind energy is floating obtains device, it is characterized in that: it comprises base (1), shell (6), rotating shaft (12), disk (13), dynamic wind wheel (14), M group exciting permanent magnet (17), M group are excited permanent magnet (18) and M cantilever beam piezoelectric harvester (3); Wherein M is positive integer, M >=8; Often group is excited permanent magnet and is two and is excited permanent magnet (18); Often organizing exciting permanent magnet is two exciting permanent magnets (17); It is contrary that M group exciting permanent magnet (17) and M group are excited the polarity of permanent magnet (18);
One end of rotating shaft (12) is rotatably installed in the middle part of base (1), rotating shaft (12) is fixed with disk (13), the circumferential lateral surface of each disk (13) is provided with M group exciting permanent magnet along the circumference of disk (13) is uniform, base (1) is provided with M cantilever beam piezoelectricity floating energy device (3) along the circumference of disk (13) is uniform, the piezoelectric patches of each cantilever beam piezoelectricity floating energy device (3) is vertically arranged, each cantilever beam piezoelectricity is floating the relative two sides of piezoelectric patches of device (3) respectively can be provided with one and be excited permanent magnet (18), M group is excited permanent magnet (18) and is arranged near the circumferential lateral surface of disk (13), M group exciting permanent magnet (17) and M group are excited the conglobate concentric internal and external double-circular structure of permanent magnet (18) structure, shell (6) covers on disk (13), M group exciting permanent magnet (17), be excited permanent magnet (18), M cantilever beam piezoelectricity floating energy device (3) is gone up and is tightly connected with base (1), the other end of rotating shaft (12) is through shell (6), dynamic wind wheel (14) is arranged on the other end of rotating shaft (12).
2. vertical axis revolving excitation type wind energy according to claim 1 is floating obtains device, it is characterized in that: dynamic wind wheel (14) comprises link (21) and multiple blade (22), and link (21) is provided with multiple blade (22) along the circumference of rotating shaft (12) is uniform.
3. vertical axis revolving excitation type wind energy according to claim 2 is floating obtains device, it is characterized in that: blade (22) is circular arc vane.
4. the vertical axis revolving excitation type wind energy according to claim 1,2 or 3 is floating obtains device, it is characterized in that: the quantity of cantilever beam piezoelectricity floating energy device (3) is eight.
5. vertical axis revolving excitation type wind energy according to claim 3 is floating obtains device, it is characterized in that: the quantity of blade (14-2) is 4.
6. the vertical axis revolving excitation type wind energy according to claim 1,2,3 or 5 is floating obtains device, and it is characterized in that: described device also comprises pressure ring (4), base (1) is hubbed flange base; The end face that pressure ring (4) is arranged in the neck (1-1) of base (1) compresses M cantilever beam piezoelectric harvester (3), pressure ring (4) is integrally connected by the neck of multiple screw (5) with base (1), the circumferential lateral surface of each disk (13) is processed with M groove along the circumference of disk (13) is uniform, in each groove, is equipped with two exciting permanent magnets (17).
7. vertical axis revolving excitation type wind energy according to claim 6 is floating obtains device, it is characterized in that: described device also comprises two pressing plates (8), two pressing plates (8) are located in rotating shaft (12) and go up and be connected with disk (13), and M group exciting permanent magnet (17) is positioned on disk (13) by two pressing plates (8).
8. vertical axis revolving excitation type wind energy according to claim 7 is floating obtains device, it is characterized in that: described device also comprises end cap (7), end cap (7) is arranged between dynamic wind wheel (14) and shell (6), and end cap (7) is located in rotating shaft (12) and goes up and mount cover on shell (6).
CN201510443456.XA 2015-07-24 2015-07-24 Vertical shaft rotary excitation type wind energy capture device CN105006993A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359813A (en) * 2017-08-17 2017-11-17 浙江师范大学 A kind of tunnel driving air-flow causes the energy accumulator that shakes
CN107425753A (en) * 2017-08-28 2017-12-01 北京工业大学 Speed-increasing type wind power piezoelectric generation device
CN107508492A (en) * 2017-08-17 2017-12-22 浙江师范大学 A kind of flag puts Exciting-simulator system wind energy collector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100052324A1 (en) * 2005-10-18 2010-03-04 Board Of Regents, The University Of Texas System Piezoelectric windmill apparatus
CN102230451A (en) * 2011-05-13 2011-11-02 张双元 Technology for wind power generation and hydropower generation by using throwing roller as generator and floater
CN102723894A (en) * 2012-05-28 2012-10-10 南京航空航天大学 Rotary piezoelectric generation device
KR20130045140A (en) * 2011-10-24 2013-05-03 (주)시드에너텍 Piezoelectric harvesting system by using by using water flow
CN103269181A (en) * 2013-05-31 2013-08-28 浙江师范大学 Suspending hammer self-excitation wheel type generator
CN104620496A (en) * 2012-07-16 2015-05-13 Gsi亥姆霍兹重离子研究中心有限责任公司 Method and apparatus for generating energy using piezo elements

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100052324A1 (en) * 2005-10-18 2010-03-04 Board Of Regents, The University Of Texas System Piezoelectric windmill apparatus
CN102230451A (en) * 2011-05-13 2011-11-02 张双元 Technology for wind power generation and hydropower generation by using throwing roller as generator and floater
KR20130045140A (en) * 2011-10-24 2013-05-03 (주)시드에너텍 Piezoelectric harvesting system by using by using water flow
CN102723894A (en) * 2012-05-28 2012-10-10 南京航空航天大学 Rotary piezoelectric generation device
CN104620496A (en) * 2012-07-16 2015-05-13 Gsi亥姆霍兹重离子研究中心有限责任公司 Method and apparatus for generating energy using piezo elements
CN103269181A (en) * 2013-05-31 2013-08-28 浙江师范大学 Suspending hammer self-excitation wheel type generator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359813A (en) * 2017-08-17 2017-11-17 浙江师范大学 A kind of tunnel driving air-flow causes the energy accumulator that shakes
CN107508492A (en) * 2017-08-17 2017-12-22 浙江师范大学 A kind of flag puts Exciting-simulator system wind energy collector
CN107359813B (en) * 2017-08-17 2019-02-22 浙江师范大学 A kind of tunnel driving air-flow cause vibration energy accumulator
CN107425753A (en) * 2017-08-28 2017-12-01 北京工业大学 Speed-increasing type wind power piezoelectric generation device
CN107425753B (en) * 2017-08-28 2019-02-26 北京工业大学 Speed-increasing type wind power piezoelectric generation device

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