CN107605647A - A kind of novel swing wave energy piezoelectric generating device - Google Patents
A kind of novel swing wave energy piezoelectric generating device Download PDFInfo
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- CN107605647A CN107605647A CN201711075234.2A CN201711075234A CN107605647A CN 107605647 A CN107605647 A CN 107605647A CN 201711075234 A CN201711075234 A CN 201711075234A CN 107605647 A CN107605647 A CN 107605647A
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- ceramic piece
- piezoelectric ceramic
- stator
- pendular body
- cylinder
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- 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
- Y02E10/20—Hydro energy
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- 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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Abstract
The invention discloses a kind of novel swing piezoelectric generating device based on wave energy.The present apparatus includes：TRT, upper pendular body and bottom kinetoplast three parts；The TRT includes：Rotor portion, piezoelectric ceramic piece, stationary part, ceramic bearing, conducting slip ring, rotating shaft；The upper pendular body is connected similar to propeller arrangement with stationary part by screw thread；The bottom kinetoplast is with upper pendular body placement direction on the contrary, being connected with rotor portion by screw thread；Present apparatus feature is：The rotor portion mutually collides with piezoelectric ceramic piece, and piezoelectric ceramic piece produces vibration so as to generate electricity；The body blade drift angle that swings up and down is larger to the component perpendicular to direction blade by water for positive and negative 14 degree, it is easy to accomplish swings up and down the periodic reverse circular motion that body carries out opposite direction；The present apparatus do not generate heat, without electromagnetic interference, pollution-free.
Description
Technical field
The invention mainly relates to oceanographic observation field, and in particular to a kind of novel swing piezo-electric generating based on wave energy
Device, can be the device continued power such as sensor on floating body.
Background technology
Wave-energy power generation (Wave Power Generation) is using the energy of wave as power generation electric energy.Ocean wave
Wave contains huge energy, power P ≈ HT kW/m of the sinusoidal wave per metric wave peak width.In formula, H is wave height, and unit is rice
(m)；T is wave period, and unit is (s).Can be mechanical, air pressure or hydraulic pressure by the energy conversion of wave by certain device
Energy, electrical power generators are then driven by transmission mechanism, gas-turbine, the hydraulic turbine or hydraulic motor.There is economic value in the whole world
Wave energy yield is estimated as 1~1,000,000,000 kW.The theoretical reserves of Chinese wave energy are 70,000,000 kW or so.
It is one kind of wave-energy power generation that pneumatic type, which generates electricity, and wave energy is converted into sky by pump devices such as air chamber, airbags
Gas energy, then the mode by gas-turbine driving electrical power generators.Pneumatic type electrification structure is complicated, safeguards and installation cost is higher.
Hydraulic power generating is also one kind of wave-energy power generation, and liquid (oil is converted wave energy into by certain liquid pumping device
Or seawater) pressure energy or potential energy, then drive by hydraulic motor or the hydraulic turbine mode of electrical power generators.Hydraulic power generating is general only
Act on the water surface, and the capacity usage ratio of liquid pumping device and hydraulic motor is relatively low, fixed and installation is more difficult.
The one kind mechanically to generate electricity as wave-energy power generation, realize wave energy from reciprocating to by certain transmission mechanism
Unidirectional rotary motion is transmitted to drive the mode of electrical power generators.Old-fashioned mechanical generating mostly be using rack, gear and
The mechanical device of ratchet, often structure bulkier, reliability be not strong.And traditional mechanical cost of electricity-generating is higher.It is but new
Using swing type piezoelectric generating device it is simple in construction, energy utilization efficiency is high, safeguard and lay cost it is low, be easily achieved.
The content of the invention
It is an object of the invention to provide a kind of cost is low, energy utilization efficiency is high, simple in construction, reliability is high, without dirt
The novel swing piezoelectric generating device based on wave energy of dye and long lifespan.
The technical solution adopted by the present invention is：A kind of novel swing piezoelectric generating device based on wave energy, the present apparatus
Including：TRT, upper pendular body and bottom kinetoplast three parts.
The TRT includes：Rotor portion, piezoelectric ceramic piece, stationary part, ceramic bearing, conducting slip ring, rotating shaft；
The rotor portion includes：Power transmission shaft, rotor, torsion spring；The stationary part includes：Stator, cylinder, end cap, sleeve；The biography
Moving axis is arranged with rotor concentric, is connected by flat key；The one end is fixed on power transmission shaft, and the other end is fixed on set
On cylinder；The piezoelectric ceramic piece is located at external part both sides in stator, is connected with stator by screw；The stator enters with cylinder
Row interference fit, lower part are embedded in cylinder, and upper part is in contact with ceramic bearing outer ring, realizes the fastening and positioning of stator；
The end-coil of conducting slip ring one is connected with piezoelectric ceramic piece, and another end-coil is connected with cable；The end cap is positioned at circle
Cylinder top and bottom, are connected by screw with cylinder；The rotating shaft is located at TRT upper end, passes through cable and hull phase
Even；
The upper pendular body has six blades, similar propeller arrangement, is connected with cylinder by screw thread；
The bottom kinetoplast equally has six blades, and direction blade is with upper pendular body direction blade on the contrary, and power transmission shaft
It is connected by screw thread；
The periodic reverse for swinging up and down body and switching to opposite direction by linear motion above and below periodicity with wave heave
Circular motion, drive the piezoelectric ceramic piece on stator to collide generation vibration with rotor cycle and generated electricity.
It is further characterized in that：The body blade drift angle that swings up and down is positive and negative 14 degree, by water to perpendicular to blade
The component in direction is larger, it is easy to accomplish swings up and down the periodic reverse circular motion that body carries out opposite direction.
It is further characterized in that：The rotor carries out the periodic reverse circumference fortune of opposite direction in stator with pendular body
When dynamic, mutually collided with piezoelectric ceramic piece, piezoelectric ceramic piece produces vibration so as to generate electricity, and present apparatus piezoelectric ceramic piece is using series connection
Connected mode.
The advantages of present apparatus, is：
1. present apparatus manufacture, laying and maintenance cost is relatively low, energy utilization efficiency is high, simple in construction and realize integrated reason
Read.
2. the present apparatus is based on wave energy, lifted with wave, by periodicity, linear motion switchs to periodicity opposite direction up and down
Periodic reverse circular motion, the frequency and dynamics that piezoelectric ceramic piece is hit by rotor are larger, and then TRT is reliable
Property it is high.
Do not generated heat, without electromagnetic interference, free of contamination feature 3. the present apparatus has during piezo-electric generating is carried out.
4. the present apparatus has good corrosion resistance, service life length, and recoverable.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further illustrated, in accompanying drawing：
Fig. 1 is a kind of novel swing piezoelectric generating device general illustration based on wave energy of the present invention；
Fig. 2 is a kind of novel swing piezoelectric generating device structural representation based on wave energy of the present invention；
Fig. 3 is that body force analysis figure is swung up and down in the present invention；
Fig. 4 is the structural representation of TRT in the present invention；
Fig. 5 is electricity generating principle schematic diagram in the present invention；
Wherein：1st, hull, 2, cable, 3, TRT, 4, upper pendular body, 5, bottom kinetoplast, 6, power transmission shaft, 7, lower end
Lid, 8, ceramic bearing A, 9, rotor, 10, piezoelectric ceramic piece, 11, stator, 12, ceramic bearing B, 13, short sleeve, 14, torsion spring,
15th, long sleeve, 16, conducting slip ring, 17, rotating shaft, 18, ceramic bearing C, 19, upper end cover, 20, cylinder.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Referring to Fig. 1-Fig. 2-Fig. 3, hull 1 is connected by cable with present apparatus rotating shaft 17.When hull 1 moves to crest
When, drive the present apparatus to move up by cable 2, because directed force F aO straight down to the upper blade of pendular body 4 be present in water,
FaO can be decomposed into the power F0 perpendicular to blade, along the power Fa of blade, component F1 F0 being decomposed into horizontal direction, with
And on vertical direction and component F2 that direction is downward, in the presence of F1, upper pendular body is rotated counterclockwise.Upper pendular body with
Cylinder 20 is connected by screw, and stator 11 is interference fitted with cylinder, and is embedded into cylinder, and upper pendular body drives stator
Rotated counterclockwise.
Equally when hull 1 moves to crest, the present apparatus is driven to move up by cable 2, because water is to bottom kinetoplast 5
There is directed force F b3 straight down in blade, Fb3 can be decomposed into the power F3 perpendicular to blade, along the power Fb of blade, by F3
The component F4 being decomposed into horizontal direction, and on vertical direction and component F5 that direction is downward, in the presence of F4, lower swing
Body is rotated clockwise.Bottom kinetoplast is connected through a screw thread with power transmission shaft 6, and power transmission shaft is attached with rotor 9 by flat key,
Bottom kinetoplast rotor driven is carried out rotationally clockwise.
When hull 1 moves to trough, due to Action of Gravity Field, the present apparatus is moved down, and phase is moved to crest with hull
Together, force analysis is carried out to swinging up and down body, similarly understood, because water has effect straight up to the upper blade of pendular body 4
Power, this active force is equally subjected to power decomposition, upper pendular body is carried out rotationally clockwise, and bottom kinetoplast 5 is due to by side
To opposite effect power, rotated in an anti-clockwise direction.Upper pendular body is connected with cylinder 20 by screw, stator 11 and cylinder
It is interference fitted, and is embedded into cylinder, upper pendular body drives stator to carry out rotationally clockwise.Bottom kinetoplast and transmission
Axle 6 is connected through a screw thread, and power transmission shaft is attached with rotor 9 by flat key, and bottom kinetoplast rotor driven is carried out counterclockwise
Rotate.
Referring to Fig. 4-Fig. 5, in crest and trough situation, when stator 11 and rotor 9 are in the presence of body is swung up and down, enter
During the relative motion of row opposite direction, rotor constantly hits piezoelectric ceramic piece 10, so that piezoelectric ceramic piece produces vibration, and then
Generate electricity.Torsion spring is added on power transmission shaft, increases moment of torsion when rotating, and then increase TRT reliability.
In the present invention, piezoelectric ceramic piece carries out the transmission of electric current using conducting slip ring 16 by the way of series connection.Conduction is sliding
Ring one end is connected with piezoelectric ceramic piece, and one section is connected with cable.So as to be powered for device on floating body.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (3)
1. a kind of novel swing piezoelectric generating device based on wave energy, the present apparatus include：TRT, upper pendular body and under
Pendular body three parts, the TRT include：Rotor portion, piezoelectric ceramic piece, stationary part, ceramic bearing, conducting slip ring,
Rotating shaft；The rotor portion includes：Power transmission shaft, rotor, torsion spring；The stationary part includes：Stator, cylinder, end cap, sleeve；
The power transmission shaft is arranged with rotor concentric, is connected by flat key；
The one end is fixed on power transmission shaft, and the other end is fixed on sleeve；
The piezoelectric ceramic piece is located at external part both sides in stator, is connected with stator by screw；
The stator is interference fitted with cylinder, and in lower part insertion cylinder, upper part is in contact with ceramic bearing outer ring, real
The fastening and positioning of existing stator；
The end-coil of conducting slip ring one is connected with piezoelectric ceramic piece, and another end-coil is connected with cable；
The end cap is located at cylinder top and bottom, is connected by screw with cylinder；
The rotating shaft is located at TRT upper end, is connected by cable with hull；
The upper pendular body has six blades, similar propeller arrangement, is connected with cylinder by screw thread；
The bottom kinetoplast equally has six blades, and direction blade is with upper pendular body direction blade on the contrary, passing through with power transmission shaft
Screw thread is connected；
The periodic reverse circumference for swinging up and down body and switching to opposite direction by linear motion above and below periodicity with wave heave
Motion, drive the piezoelectric ceramic piece on stator to collide generation vibration with rotor cycle and generated electricity, this generation mode energy profit
With efficiency it is higher, do not generate heat, without electromagnetic interference, pollution-free.
2. according to the novel swing piezoelectric generating device based on wave energy in claim 1, it is characterised in that：Above and below described
Pendular body blade drift angle is positive and negative 14 degree, larger to the component perpendicular to direction blade by water, it is easy to accomplish to swing up and down body
Carry out the periodic reverse circular motion of opposite direction.
3. according to the novel swing piezoelectric generating device based on wave energy in claim 1, it is characterised in that：The rotor
When stator carries out the periodic reverse circular motion of opposite direction with pendular body, mutually collided with piezoelectric ceramic piece, piezoelectricity pottery
Ceramics produces vibration so as to generate electricity, and present apparatus piezoelectric ceramic piece uses and is connected in series mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711075234.2A CN107605647B (en) | 2017-11-02 | 2017-11-02 | A kind of novel swing wave energy piezoelectric generating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711075234.2A CN107605647B (en) | 2017-11-02 | 2017-11-02 | A kind of novel swing wave energy piezoelectric generating device |
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| CN107605647A true CN107605647A (en) | 2018-01-19 |
| CN107605647B CN107605647B (en) | 2019-05-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443051A (en) * | 2018-03-20 | 2018-08-24 | 天津工业大学 | A kind of wave energy generating set of new and effective sealing |
| CN108757291A (en) * | 2018-06-28 | 2018-11-06 | 南京信息工程大学 | A kind of wave energy generating set applied to unmanned boat |
| CN109185029A (en) * | 2018-09-17 | 2019-01-11 | 中国海洋大学 | A kind of power generator using wave energy |
| CN109617315A (en) * | 2019-01-16 | 2019-04-12 | 张志刚 | A kind of mechanism that the random movement of two dimension is converted to rotation |
| CN111779616A (en) * | 2020-07-02 | 2020-10-16 | 广东电网有限责任公司 | Wave power generation device |
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| RU2392485C1 (en) * | 2008-12-23 | 2010-06-20 | Государственное образовательное учреждение высшего профессионального образования Читинский государственный университет (ЧитГУ) | Fluid medium energy using device |
| CN102332843A (en) * | 2011-09-16 | 2012-01-25 | 大连理工大学 | Symmetric rotation piezoelectric generation device |
| CN102878005A (en) * | 2012-10-08 | 2013-01-16 | 胡勇坚 | Inflatable-capsule wave-activated generator and wave power generation system with same |
| CN203009151U (en) * | 2012-12-12 | 2013-06-19 | 山东科技大学 | Small piezoelectric type wave power generation device |
| CN103312216A (en) * | 2013-06-06 | 2013-09-18 | 中山大学 | Fluid piezoelectric power generation assembly and assembly set |
| CN105332851A (en) * | 2015-11-04 | 2016-02-17 | 中国人民解放军国防科学技术大学 | Wave energy conversion device based on self-adaptation limiting wing plates |
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| US20100052324A1 (en) * | 2005-10-18 | 2010-03-04 | Board Of Regents, The University Of Texas System | Piezoelectric windmill apparatus |
| RU2392485C1 (en) * | 2008-12-23 | 2010-06-20 | Государственное образовательное учреждение высшего профессионального образования Читинский государственный университет (ЧитГУ) | Fluid medium energy using device |
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| CN103312216A (en) * | 2013-06-06 | 2013-09-18 | 中山大学 | Fluid piezoelectric power generation assembly and assembly set |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443051A (en) * | 2018-03-20 | 2018-08-24 | 天津工业大学 | A kind of wave energy generating set of new and effective sealing |
| CN108443051B (en) * | 2018-03-20 | 2020-09-11 | 天津工业大学 | Novel high-efficient sealed wave energy power generation device |
| CN108757291A (en) * | 2018-06-28 | 2018-11-06 | 南京信息工程大学 | A kind of wave energy generating set applied to unmanned boat |
| CN108757291B (en) * | 2018-06-28 | 2023-09-19 | 南京信息工程大学 | Wave energy power generation device applied to unmanned ship |
| CN109185029A (en) * | 2018-09-17 | 2019-01-11 | 中国海洋大学 | A kind of power generator using wave energy |
| CN109617315A (en) * | 2019-01-16 | 2019-04-12 | 张志刚 | A kind of mechanism that the random movement of two dimension is converted to rotation |
| CN111779616A (en) * | 2020-07-02 | 2020-10-16 | 广东电网有限责任公司 | Wave power generation device |
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| CN107605647B (en) | 2019-05-07 |
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Inventor after: Sun Xiujun Inventor after: Sang Hongqiang Inventor after: You Yusong Inventor after: Li Can Inventor after: Zhang Xingui Inventor after: Zhang Wengang Inventor after: Zhang Xinjian Inventor after: Guan Haipeng Inventor before: Sang Hongqiang Inventor before: You Yusong Inventor before: Li Can Inventor before: Zhang Xingui Inventor before: Zhang Wengang Inventor before: Zhang Xinjian Inventor before: Guan Haipeng |