CN107448351B - Array piezoelectric cantilever Wave energy converter with anti-wave floating drum - Google Patents
Array piezoelectric cantilever Wave energy converter with anti-wave floating drum Download PDFInfo
- Publication number
- CN107448351B CN107448351B CN201710501628.3A CN201710501628A CN107448351B CN 107448351 B CN107448351 B CN 107448351B CN 201710501628 A CN201710501628 A CN 201710501628A CN 107448351 B CN107448351 B CN 107448351B
- Authority
- CN
- China
- Prior art keywords
- wave
- floating drum
- piezo
- cantilever
- piezoelectric cantilever
- 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.)
- Active
Links
- 238000007667 floating Methods 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 238000010248 power generation Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/709—Piezoelectric means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of array piezoelectric cantilever Wave energy converters of the anti-wave floating drum of band, belong to micro-energy and collect and ocean power generation technical field.Including anti-wave floating drum, hold-down support body and piezo-electric generating case, wherein piezo-electric generating case is made of cover board, cabinet, sealing ring, piezo-electric generating component, and the mass block 3-3, cantilever beam 3-4, piezoelectrics 3-5 in piezo-electric generating component constitute piezoelectric cantilever.Piezoelectric cantilever generates vibration with swinging up and down for piezo-electric generating case, because piezoelectric cantilever is the distribution of linear array formula, so generating resonance between piezoelectric cantilever, to realize capture while to multiple frequency wave energies, and the vibration frequency between piezoelectric cantilever is also increased, the utilization rate of wave energy is improved.The kinetic energy difference between wave and floating drum is converted electric energy by the present apparatus, has structure simple, and easy for installation, maintenance cost is low, practical feature, can persistently provide electric energy for marine monitoring and lighting installation.
Description
Technical field
The invention belongs to micro-energies to collect and ocean power generation technical field, and in particular to the array piezoelectricity with anti-wave floating drum
Cantilever beam Wave energy converter.
Background technique
Seawater climate and big wind action in ocean often generate the wave to rise and fall, these waves are reproducible
The energy, meanwhile, huge impact force is also carried, wave causes deleterious effect to Offshore Units and hull in order to prevent, cuts
Subtract wave wave amplitude, reduce impact force, people have built shielding, and the form of these shieldings is varied, but work
Principle is all the energy that incidence wave is absorbed or dissipated by distinctive structure, thus reach reduction wave amplitude, the anti-wave of slicing
Purpose.
Most of existing shielding exists in the form of breakwater, is divided into heavy type and light-duty two kinds.And breakwater
Volume is often very huge, all there is difficulty in terms of construction and maintenance.In addition, can be realized wave absorbing function at this stage and by wave
Wave can be converted to the device of electric energy, and most of is all using pure mechanic structure, and generating efficiency is low, and service life is not grown, and needs
Often maintenance and replacement, the case where in view of marine power generation device maintenance difficult, the prospect of the application of this electrification structure is uncertain.
Most of existing shielding exists in the form of breakwater, is divided into heavy type and light-duty two kinds.And breakwater
Volume is often very huge, all there is difficulty in terms of construction and maintenance, if Wei Dongze is in patent (Publication No.
CN204041339U referred in) be set to breakwater on wave-power device, although can be carried out wave wave energy reduction and
Conversion, but device is complicated, huge, is unfavorable for actual Operation and maintenance, can be realized wave absorbing function at this stage and by wave
Can be converted to the device of electric energy, most of is all using pure mechanic structure, and generating efficiency is low, and service life is not grown, need through
Often maintenance and replacement, the case where in view of marine power generation device maintenance difficult, the prospect of the application of this electrification structure is uncertain.
On the one hand, deepwater anti-wave structure is built difficult, and the wave energy that wave absorption structure dissipates fails to obtain abundant benefit
With on the other hand, wave energy piezoelectric generating device used at present is generally existing, and structure is complicated, and leakproofness is poor, and stability is not strong
Defect, therefore, in view of the above problems, providing a solution in the present invention.
It is known that applying certain external force on the specific direction of some materials with dielectric characteristic, will make
Polarization is generated in its material, and causes to assemble positive charge and negative electrical charge on apparent surface respectively, shows charging property.Application
After external force is cancelled, restores original form, electrically also disappear therewith, this phenomenon is called direct piezoelectric effect by us.And
Material with this characteristic is known as piezoelectric material.It, can be cleverly by kinetic energy, potential energy etc. using the piezoelectric property of piezoelectric material
It is converted into electric energy.
In conjunction with this characteristic of piezoelectric material, that we provide a kind of structures is simple, generating efficiency is high, stability is good and function
Rate exports the stable array piezoelectric cantilever Wave energy converter with anti-wave floating drum, can utilize spar buoy to greatest extent
Structure cut down wave wave amplitude, and can using the amplitude differences between floating drum and wave progress wave energy and electric energy conversion, mention
Seashore electricity consumption facility is supplied, achievees the purpose that emergency service or self-powered.
Summary of the invention
The purpose of the present invention is to provide a kind of array piezoelectric cantilever Wave energy converters of the anti-wave floating drum of band, with solution
Certainly current wave absorption structure is lower to wave energy transfer efficiency, structure is complicated for piezoelectricity wave-energy power generation, leakproofness and stability difference etc.
Problem.
The object of the present invention is achieved like this:
The array piezoelectric cantilever Wave energy converter of anti-wave floating drum, including anti-wave floating drum 1, hold-down support body 2 and pressure
Electric power generation box 3, the anti-wave floating drum 1 are solid cylinder;There is a plane at the side bus of anti-wave floating drum 1, at this
There is hold-down support body 2 in plane, the one side of hold-down support body 2 is fixedly connected with anti-wave floating drum 1, another side and piezo-electric generating case 3
Articulated connection;Piezo-electric generating case 3 relative to anti-wave floating drum 1 as wave is only swung up and down without movement, finally by the wave of wave
Wave can be converted to electric energy.
The piezo-electric generating case 3 is made of cabinet 3-1, cover board 3-2, sealing ring 3-8, piezo-electric generating component.
The cabinet 3-1 is hollow cube structure, and sealing ring 3-8, case are equipped between cabinet 3-1 and cover board 3-2
It is fixedly connected between body 3-1 and cover board 3-2, the length of cover board 3-2 and the wide length and width for being respectively equal to cabinet 3-1.
The piezo-electric generating component include mass block 3-3, cantilever beam 3-4, piezoelectrics 3-5, cantilever beam fixed frame 3-6,
Pressing plate 3-7, wherein mass block 3-3, cantilever beam 3-4, piezoelectrics 3-5 constitute piezoelectric cantilever.
The mass block 3-3 is fixedly connected with cantilever beam 3-4 with piezoelectrics 3-5, and piezoelectrics 3-5 is separately fixed at outstanding
Root position on the upper and lower surfaces of arm beam 3-4 or in which a surface and close to cantilever beam 3-4 is i.e. far from hold-down support body 2
Direction, mass block 3-3 are fixed on a certain position in close 2 direction of hold-down support body on cantilever beam 3-4, mass block 3-3 and pressure
The width of electric body 3-5 is equal to the width of cantilever beam 3-4, length of the length less than cantilever beam 3-4 of mass block 3-3 and piezoelectrics 3-5
It spends, size, the shape, identical in quality, the piezoelectrics 3-5 on each cantilever beam 3-4 of the mass block 3-3 on each cantilever beam 3-4
Size, shape, identical in quality.
One end of the cantilever beam fixed frame 3-6 is fixedly connected on cabinet 3-1 inner wall, the other end and cantilever beam 3-4
It is fixedly connected.
The quantity of the piezoelectric cantilever at least one, the arrangement mode of piezoelectric cantilever is the distribution of linear array formula.
The beneficial effects of the present invention are: the present invention does not use the combination of anchor block and mooring line in traditional structure, but sharp
The characteristics of with spar structures, enables whole device independently to float on sea, and stability is high, and allows whole device to move, installation
It is not limited by sea area;In such a way that anti-wave floating drum 1 is in conjunction with piezoelectric cantilever generators, the work for cutting down wave is both played
With, and having reached will cause the energy of impact to recycle to shielding, carry out the effect of wave-energy power generation;Using linear array
The Piezoelectric Cantilever Beams of formula are realized to multiple frequency wave energies while being captured, and increase the vibration between piezoelectric cantilever
Dynamic frequency improves the utilization rate of wave energy;By shielding modularization, simplify and build process, reduces construction cost, and improve
The maintenanceability of whole device, prolongs the service life, and reduces maintenance cost.
Detailed description of the invention
Fig. 1 is the overall structure stereogram of the array piezoelectric cantilever Wave energy converter with anti-wave floating drum.
Fig. 2 is the perspective view of piezo-electric generating case in the array piezoelectric cantilever Wave energy converter with anti-wave floating drum.
Fig. 3 is the schematic diagram of internal structure of the array piezoelectric cantilever Wave energy converter with anti-wave floating drum.
Fig. 4 is the overall structure front view of the array piezoelectric cantilever Wave energy converter with anti-wave floating drum.
Fig. 5 is the schematic diagram of piezoelectric cantilever in the array piezoelectric cantilever Wave energy converter with anti-wave floating drum.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
The present invention relates to a kind of array piezoelectric cantilever Wave energy converters of the anti-wave floating drum of band, as shown in Figs. 1-5, dress
It sets including anti-wave floating drum 1, hold-down support body 2 and piezo-electric generating case 3, wherein piezo-electric generating case 3 is by cabinet 3-1, cover board 3-2, close
Seal 3-8, piezo-electric generating component composition, wherein piezo-electric generating component is by mass block 3-3, cantilever beam 3-4, piezoelectrics 3-5, cantilever
Beam fixed frame 3-6, pressing plate 3-7 composition, and mass block 3-3, cantilever beam 3-4, piezoelectrics 3-5 constitute piezoelectric cantilever.
Anti- wave floating drum 1 is solid cylinder, and anti-wave floating drum 1 is 15 meters long, the solid cylinder that 4 meters of radius in the present embodiment
The material of body, anti-wave floating drum 1 is aluminium alloy, and periphery is coated with antirust paint, plays the role of anticorrosion and warning, and work as
When wave is got on anti-wave floating drum 1, due to the stability characteristic (quality) of spar structures itself, very great Cheng is obtained by the wave wave amplitude of floating drum
The reduction of degree plays the role of anti-wave.
There is a plane at the side bus of anti-wave floating drum 1, there is hold-down support body 2, hold-down support body 2 on this plane
It is fixedly connected on one side with anti-wave floating drum 1, another side and piezo-electric generating case 3 are articulated and connected.Hold-down support body 2 is sheet member, above
It bores there are six bolt hole and two hinge holes, the one side of hold-down support body 2 is fixedly connected by bolt with anti-wave floating drum 1, separately
It is articulated and connected on one side with piezo-electric generating case 3 by otic placode 5 and pin shaft 4, enables piezo-electric generating case 3 relative on anti-wave floating drum 1
Lower swing is without movement.Otic placode 5 in the present embodiment is " L " type part, and one end of otic placode 5 is machined with hinge hole, hinged nose end
It is connect with hold-down support body 2 by pin shaft 4, one end without hinge hole of otic placode 5 is fixed by bolts to cabinet in piezo-electric generating case 3
The side of 3-1.
Piezo-electric generating case 3 floats on sea and moves together with wave, utilizes the kinetic energy and potential energy between anti-wave floating drum 1 and wave
Difference causes the piezoelectric cantilever vibration of beam inside power generation box, piezoelectric cantilever is with pressure so that piezo-electric generating case 3 is swung up and down
Electric power generation box 3 swings up and down and vibrates, and the wave energy of wave is converted to electric energy.
The cabinet 3-1 of piezo-electric generating case 3 is hollow cube structure, is equipped with sealing ring between cabinet 3-1 and cover board 3-2
3-8, using being welded to connect between cabinet 3-1 and cover board 3-2, cover board 3-2 is thin plate corresponding with cabinet 3-1 structure, cover board
The material of the length of 3-2 and the wide length and width for being respectively equal to cabinet 3-1, cabinet 3-1 and cover board 3-2 are aluminium, not only alleviate device
Whole weight, and be also convenient for welding.Cover board 3-2 is rectangle plate, and there is the reason of rectangular recess, design in this way in inside
It is for fixed seal ring 3-8 and alleviator weight.Cabinet 3-1 is to install among hollow cuboid thin-wall part, with cover board 3-2
Sealing ring 3-8, and be fixed together by welding manner by cabinet 3-1 and cover board 3-2.
Mass block 3-3 in piezo-electric generating case 3 is fixedly connected with cantilever beam 3-4 with piezoelectrics 3-5, and piezoelectrics 3-5 is
Rectangular sheet, piezoelectrics 3-5 material therefor are the two-phase composite material of piezoelectric ceramics and Kynoar epoxy resin living, tool
There are good flexibility, processing performance and mechanical coupling coefficient, piezoelectrics 3-5 is separately fixed at the upper and lower surfaces of cantilever beam 3-4
Or in which on a surface and far from hold-down support body 2, periodic stress is generated while piezoelectrics 3-5 bending deformation,
Because upper and lower surface of the piezoelectric effect in each piezoelectrics 3-5 generates charge, the charge of generation is imported into energy storage by conducting wire
Element or electrical appliance achieve the effect that not only anti-wave but also rationally utilize wave energy.The shape of mass block 3-3 is cuboid, material is
Iron, mass block 3-3 is welded on cantilever beam 3-4 and position is close to hold-down support body 2, mass block 3-3, cantilever beam 3-4 and
Piezoelectric cantilever is constituted between piezoelectrics 3-5, changes piezoelectric cantilever by adjusting the size and location of mass block 3-3
Width of the width of intrinsic frequency, mass block 3-3 and piezoelectrics 3-5 equal to cantilever beam 3-4, mass block 3-3 and piezoelectrics 3-5's
Length is less than the length of cantilever beam 3-4, the size of the mass block 3-3 on each cantilever beam 3-4, shape, identical in quality, each outstanding
It is the size of piezoelectrics 3-5 on arm beam 3-4, shape, identical in quality.
Cantilever beam fixed frame 3-6 in piezo-electric generating case 3 is iron material matter, and one end of cantilever beam fixed frame 3-6 passes through bolt
It is fixedly connected on cabinet 3-1 inner wall, the other end is fixedly connected by bolt with pressing plate 3-7, cantilever beam fixed frame 3-6 and pressing plate
The combination of 3-7 can clamp one end of the unwelded mass block 3-3 of cantilever beam 3-4.The quantity of piezoelectric cantilever at least one, piezoelectricity
The arrangement mode of cantilever beam is the distribution of linear array formula, and the benefit of linear array distribution is by causing between piezoelectric cantilever
Resonance, not only realizes capture while to multiple frequency wave energies, and increase the vibration frequency between piezoelectric cantilever, mentions
The high utilization rate of wave energy.
In the present invention, the anti-floating of wave floating drum 1 across the sea, is connect by bolt with fixed anchor plate 2, fixed anchor plate 2
On have hinge hole, pin shaft 4 links together it with piezo-electric generating case 3, piezo-electric generating component is installed in piezo-electric generating case 3,
For converting wave energy into electric energy.Wherein, anti-wave floating drum 1 is solid cylinder, when wave is got on anti-wave floating drum 1, by
In the stability characteristic (quality) of spar structures itself, is significantly cut down by the wave wave amplitude of floating drum, play the work of anti-wave
With.And piezo-electric generating case 3 floats on sea and moves together with wave, using the kinetic energy and potential energy difference between anti-wave floating drum 1 and wave,
So that piezo-electric generating case 3 is swung up and down, cause the piezoelectric cantilever vibration of beam inside power generation box.In addition, the line of piezoelectric cantilever
Property array arrangement mode, can cause the resonance between piezoelectric cantilever.Piezoelectrics 3-5 generates periodicity because of bending deformation
Stress, the upper and lower surface because of piezoelectric effect in piezoelectrics 3-5 generates charge, the charge of generation imported energy storage member by conducting wire
Part or electrical appliance achieve the effect that not only anti-wave but also rationally utilize wave energy.
Claims (7)
1. the array piezoelectric cantilever Wave energy converter with anti-wave floating drum, including anti-wave floating drum (1), hold-down support body (2)
With piezo-electric generating case (3), it is characterised in that: the anti-wave floating drum (1) is solid cylinder;In the side of anti-wave floating drum (1)
There is a plane at bus, have on this plane hold-down support body (2), the one side of hold-down support body (2) is solid with anti-wave floating drum (1)
Fixed connection, another side and piezo-electric generating case (3) are articulated and connected;Piezo-electric generating case (3) is relative to anti-wave floating drum (1) with wave
It swings up and down without movement, the wave energy of wave is finally converted into electric energy.
2. the array piezoelectric cantilever Wave energy converter of the anti-wave floating drum of band according to claim 1, it is characterised in that:
The piezo-electric generating case (3) is made of cabinet (3-1), cover board (3-2), sealing ring (3-8), piezo-electric generating component.
3. the array piezoelectric cantilever Wave energy converter of the anti-wave floating drum of band according to claim 2, it is characterised in that:
The cabinet (3-1) is hollow cube structure, and sealing ring (3-8), case are equipped between cabinet (3-1) and cover board (3-2)
It is fixedly connected between body (3-1) and cover board (3-2), the length of cover board (3-2) and the wide length and width for being respectively equal to cabinet (3-1).
4. the array piezoelectric cantilever Wave energy converter of the anti-wave floating drum of band according to claim 2, it is characterised in that:
The piezo-electric generating component include mass block (3-3), cantilever beam (3-4), piezoelectrics (3-5), cantilever beam fixed frame (3-6),
Pressing plate (3-7), wherein mass block (3-3), cantilever beam (3-4), piezoelectrics (3-5) constitute piezoelectric cantilever.
5. the array piezoelectric cantilever Wave energy converter of the anti-wave floating drum of band according to claim 4, it is characterised in that:
The mass block (3-3) is fixedly connected with cantilever beam (3-4) with piezoelectrics (3-5), and piezoelectrics (3-5) are separately fixed at outstanding
The upper and lower surfaces or piezoelectrics (3-5) of arm beam (3-4) are fixed on one of surface of cantilever beam (3-4) and close to cantilevers
I.e. far from hold-down support body (2) direction, mass block (3-3) is fixed on close on cantilever beam (3-4) root position of beam (3-4)
The width of a certain position in hold-down support body (2) direction, mass block (3-3) and piezoelectrics (3-5) is equal to the width of cantilever beam (3-4)
The length of degree, mass block (3-3) and piezoelectrics (3-5) is less than the length of cantilever beam (3-4), the matter on each cantilever beam (3-4)
Size, shape, identical in quality, size, shape, the quality of each piezoelectrics (3-5) on cantilever beam (3-4) of gauge block (3-3)
It is identical.
6. the array piezoelectric cantilever Wave energy converter of the anti-wave floating drum of band according to claim 4, it is characterised in that:
One end of the cantilever beam fixed frame (3-6) is fixedly connected on cabinet (3-1) inner wall, and the other end and cantilever beam (3-4) are solid
Fixed connection.
7. the array piezoelectric cantilever Wave energy converter of the anti-wave floating drum of band according to claim 4, it is characterised in that:
The quantity of the piezoelectric cantilever at least one, the arrangement mode of piezoelectric cantilever is the distribution of linear array formula.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710501628.3A CN107448351B (en) | 2017-06-27 | 2017-06-27 | Array piezoelectric cantilever Wave energy converter with anti-wave floating drum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710501628.3A CN107448351B (en) | 2017-06-27 | 2017-06-27 | Array piezoelectric cantilever Wave energy converter with anti-wave floating drum |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107448351A CN107448351A (en) | 2017-12-08 |
CN107448351B true CN107448351B (en) | 2019-04-23 |
Family
ID=60487079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710501628.3A Active CN107448351B (en) | 2017-06-27 | 2017-06-27 | Array piezoelectric cantilever Wave energy converter with anti-wave floating drum |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107448351B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110409367B (en) * | 2019-08-27 | 2023-12-01 | 天津大学 | Floating comb-shaped breakwater device capable of utilizing wave energy and application |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5814921A (en) * | 1995-03-13 | 1998-09-29 | Ocean Power Technologies, Inc. | Frequency multiplying piezoelectric generators |
CN201781430U (en) * | 2010-09-16 | 2011-03-30 | 边义祥 | Aboard piezoelectric generating device |
JP2011106434A (en) * | 2009-11-20 | 2011-06-02 | Hiroshima Univ | Ocean energy power generation device and storage device using the same |
CN204392114U (en) * | 2015-01-19 | 2015-06-10 | 河海大学 | A kind of new-type wave Blast Furnace Top Gas Recovery Turbine Unit (TRT) based on piezoelectric element |
CN105041558A (en) * | 2015-07-14 | 2015-11-11 | 山东科技大学 | Oscillating water column type wave power generating device based on piezoelectric effect |
CN106100446A (en) * | 2016-07-29 | 2016-11-09 | 哈尔滨工业大学 | A kind of Wave power generation device based on nucleocapsid PVDF array |
WO2017007360A1 (en) * | 2015-07-06 | 2017-01-12 | Siemens Aktiengesellschaft | A technique for generating electric power from a rail in a railway track |
CN106640510A (en) * | 2016-12-06 | 2017-05-10 | 天津大学前沿技术研究院有限公司 | Breakwater wave power generation device with horizontal array form |
-
2017
- 2017-06-27 CN CN201710501628.3A patent/CN107448351B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5814921A (en) * | 1995-03-13 | 1998-09-29 | Ocean Power Technologies, Inc. | Frequency multiplying piezoelectric generators |
JP2011106434A (en) * | 2009-11-20 | 2011-06-02 | Hiroshima Univ | Ocean energy power generation device and storage device using the same |
CN201781430U (en) * | 2010-09-16 | 2011-03-30 | 边义祥 | Aboard piezoelectric generating device |
CN204392114U (en) * | 2015-01-19 | 2015-06-10 | 河海大学 | A kind of new-type wave Blast Furnace Top Gas Recovery Turbine Unit (TRT) based on piezoelectric element |
WO2017007360A1 (en) * | 2015-07-06 | 2017-01-12 | Siemens Aktiengesellschaft | A technique for generating electric power from a rail in a railway track |
CN105041558A (en) * | 2015-07-14 | 2015-11-11 | 山东科技大学 | Oscillating water column type wave power generating device based on piezoelectric effect |
CN106100446A (en) * | 2016-07-29 | 2016-11-09 | 哈尔滨工业大学 | A kind of Wave power generation device based on nucleocapsid PVDF array |
CN106640510A (en) * | 2016-12-06 | 2017-05-10 | 天津大学前沿技术研究院有限公司 | Breakwater wave power generation device with horizontal array form |
Also Published As
Publication number | Publication date |
---|---|
CN107448351A (en) | 2017-12-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109256983A (en) | Swing piezoelectricity Wave energy converting device with swash plate | |
CN110677070A (en) | Column type multipoint nano friction microwave power generation device | |
CN107191312B (en) | Wave energy power generation equipment | |
CN105156260A (en) | Oscillating type hydrofoil end vibration excitation wave energy conversion device | |
CN103337986A (en) | Rotary wave energy piezoelectric power generation apparatus | |
CN111058990A (en) | Hinged buoyant raft array type wave energy absorption system | |
CN111980845B (en) | Wave energy conversion device and conversion method | |
CN111628673B (en) | Multi-point nano friction power generation unit and device | |
CN107061124A (en) | A kind of floatation type carries the piezoelectricity Wave energy converting device of swash plate | |
CN107448351B (en) | Array piezoelectric cantilever Wave energy converter with anti-wave floating drum | |
CN201781430U (en) | Aboard piezoelectric generating device | |
CN109120182A (en) | One kind being based on oscillaton water column type piezoelectric cantilever generators | |
CN114294149A (en) | Spherical multi-dimensional motion wave energy power generation device and power generation method thereof | |
CN112283009B (en) | Floating type omnidirectional wave energy collecting device and method | |
CN106050541B (en) | Miniature piezoelectric energy original position collection device for offshore instrument | |
CN116335867A (en) | Wind and wave integrated power generation device | |
KR20100066027A (en) | Grid-type wave-power generation system | |
CN109595119A (en) | A kind of heaving formula wave energy generating set based on floating breakwater | |
CN101924493A (en) | Power generation device prepared by piezoelectric materials | |
CN105179153A (en) | Swinging fluid kinetic energy conversion device with bionic hydrofoil | |
CN214464639U (en) | Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure | |
CN107786124A (en) | Wave energy marine tidal-current energy combined generating system | |
CN212272432U (en) | Oscillating hydrofoil tidal current energy power generation device | |
CN111441900A (en) | Sea wave generator | |
CN115111106A (en) | Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |