CN206770100U - A kind of combined type Wave energy collecting device - Google Patents
A kind of combined type Wave energy collecting device Download PDFInfo
- Publication number
- CN206770100U CN206770100U CN201720475102.8U CN201720475102U CN206770100U CN 206770100 U CN206770100 U CN 206770100U CN 201720475102 U CN201720475102 U CN 201720475102U CN 206770100 U CN206770100 U CN 206770100U
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- Prior art keywords
- swing rod
- piezoelectric
- collecting device
- wave energy
- piezoelectric elasticity
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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
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model discloses a kind of combined type Wave energy collecting device, including：The frame of installation can be coordinated with marine carrying platform, the frame, which is provided with, is capable of the swing rod of reciprocally swinging, the multiple piezoelectric elasticity beams being evenly distributed on the circular arc of swing rod swing by wave effect, swings the electromagnetic generator driven by swing rod, the end of the swing rod towards each piezoelectric elasticity beam is provided with mass, and the mass is provided with can part be overlapping with each piezoelectric elasticity beam end, stirs piezoelectric elasticity beam, makes the plectrum of its generation high frequency free vibration for hitting piezoelectric elasticity beam when being swung with the swing rod.The utility model is generated electricity using electromagnetism and Piezoelectric anisotropy, the wave vibration of extremely low frequency can be converted into the high speed rotation of electromagnetic generator and the dither of piezoelectric elasticity beam realizes that high power density output and higher energy conversion efficiency, i.e. the utility model can make full use of and collect wave energy.
Description
Technical field
It the utility model is related to a kind of energy collecting device, and in particular to energy conversion caused by wave can be by one kind can
A kind of combined type Wave energy collecting device for the energy for for utilizing.
Background technology
Wave energy refers to kinetic energy and potential energy possessed by ocean surface wave, and 70% area is covered by seawater on the earth
Lid, ocean wave energy resource are huge.Nowadays the mankind continue to increase to the demand of the energy, and the reserves of non-regeneration energy increasingly decline
Subtract, the wave energy collected in ocean receives increasing attention.
At present, wave-energy collection mainly has two types：One kind be energy collecting device directly and contact with sea water, pass through fortune
Dynamic seawater direct drive energy conversion device, research and application of the mankind to this Wave energy collecting device have had comparison more
The type of skill, such as direct machine driving, low pressure transmission, high-pressure and hydraulic transmission, pneumatic gearing；Another kind is that energy is received
Acquisition means are integrated in inside carrying platform, by collecting platform by vibrational energy caused by wave action, collect ripple indirectly
Unrestrained energy.Because this device development for collecting wave energy indirectly is later, existing species is simultaneously few.At present the mankind in order to monitor and
The needs of ocean are developed, this device for collecting wave energy indirectly are integrated in marine monitoring equipment, such as oceanographic buoy, sea
On the equipment platforms such as ROV, can be these equipment platforms in consume energy small power elements and can extension device service life,
Monitoring and exploitation to ocean is significant, but can be integrated at present in offshore set-up platform and collect wave energy indirectly
Device is relatively fewer.Existing apparatus typically uses Electromagnetic generation and triboelectricity two types.Electromagnetic generation type typically uses
Spring oscillator structure, carrying platform are acted on up-down vibration by wave, are produced the magnet for being fixed on spring movable end and are forced to up and down
Vibration, the induction coil cutting magnetic induction line being fixed on energy harvester produce electric energy output.Because ocean wave vibration has
The characteristics of frequency is low, the magnet vibration frequency of this Electromagnetic generation energy collecting device are low so that and the rate of change of magnetic flux is smaller,
It has impact on generating output.Frictional power generation type is contacted with each other and separated by the surface of two kinds of materials, according to frictional electricity
Coupling with electrostatic induction realizes that electric energy exports.Usually under external force effect caused by wave vibration, by certain mode,
Small ball impact mode is such as freely rolled in the plane, is produced two kinds of material surfaces and is contacting and separating.Also due in ocean
Wave vibration frequency it is relatively low the reason for so that the frequency being contacting and separating of friction material surface is relatively low, thus output
Electric energy is relatively low.
In view of it is above-mentioned the defects of, the design people, be actively subject to research and innovation, wave energy can be filled to found one kind
Divide the combined type Wave energy collecting device for utilizing and collecting, make it with more the value in industry.
The content of the invention
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of abundant profit that can be realized to wave energy
With the electromagnetism with collection-Piezoelectric anisotropy formula Wave energy collecting device.
A kind of combined type Wave energy collecting device of the present utility model, it is characterised in that：It is flat including that can be carried with sea
Platform coordinates the frame of installation, and the frame, which is provided with, is capable of the swing rod of reciprocally swinging by wave effect, is evenly distributed on swing rod pendulum
Multiple piezoelectric elasticity beams on dynamic circular arc, swing the electromagnetic generator driven by swing rod, the swing rod is towards each piezoelectricity
The end of spring beam is provided with mass, the mass be provided with can part it is overlapping with each piezoelectric elasticity beam end,
Piezoelectric elasticity beam is stirred when being swung with the swing rod, it is produced high frequency free vibration plectrum for hitting piezoelectric elasticity beam.
Further, in addition to the swing rod is made not keep the torsion spring of balance, the torsion spring under by wave active state
One end is connected with the frame, the other end is connected with the swing rod.
Further, support vertically is provided with the frame, is rotatably connected on the support and drives the swing rod to rotate
Rotating shaft, the torsion spring is set in the rotating shaft.
Further, the speed increasing gear train that connection is engaged with the electromagnetic generator input shaft is connected with the rotating shaft.
Further, it is characterised in that：The bearing for installing each piezoelectric elasticity beam is additionally provided with the frame.
Further, the piezoelectric elasticity beam includes spring beam and the piezoelectric film being attached on the spring beam.
By such scheme, the utility model at least has advantages below：
Low-frequency vibration can be converted into high speed rotation-electromagnetism and the compound side of dither-piezoelectric phase by the utility model
Formula generates electricity, and it effectively improves output electric energy and energy conversion efficiency.
Wherein：
The implementation of high speed rotation-electromagnetism：During carrying platform up-down vibration, swing rod produces forced vibration, up and down reciprocatingly
Swing, and by speed increasing gear train speedup, generator input shaft is obtained higher rotating speed, thus export higher electric energy；
The implementation of dither-piezoelectricity：When swing rod is swung up and down, swing rod end plectrum is constantly sent out with piezoelectric elasticity beam
Raw contact-separation, piezoelectric elasticity beam is produced high-frequency free vibration, and then piezoelectric film is stretched and is pressed by corresponding frequencies
Contracting, and then produce higher output electric energy.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of structural representation of combined type Wave energy collecting device of the utility model；
Fig. 2 is swing rod motion schematic diagram of the present utility model；
Fig. 3 is torsion spring scheme of installation of the present utility model；
Fig. 4 is the utility model piezoelectric elasticity girder construction schematic diagram；
Fig. 5 is the structural representation that the utility model is arranged in carrying platform；
Fig. 6 is the utility model piezoelectric elasticity beam deflection elastic deformation schematic diagram.
Wherein：
1 it is frame, 2 be swing rod, 201 be the centre of gyration, 3 be piezoelectric elasticity beam, 301 be spring beam, 302 is piezoelectric film, 4
It is electromagnetic generator, 5 be mass, 501 plectrums, 6 be torsion spring, 7 be support, 701 be first support, 702 is second support, 8
Be rotating shaft, 801 be first rotating shaft, 802 be the second rotating shaft, 9 be speed increasing gear train, 10 be bearing, 1001 be cambered surface, 11 be carry
Platform.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Referring to accompanying drawing 1 to 6, a kind of combined type Wave energy collecting device described in the preferred embodiment of the utility model one, bag
The frame 1 of installation can be coordinated with marine carrying platform 11 by including, and the frame 1 is provided with is capable of reciprocally swinging by wave effect
Two swing rods 2 arranged in parallel, to realize wave-energy collection, the design is being the center of circle with the centre of gyration 201 of swing rod 2
It is uniformly distributed on circular arc and is provided with multiple piezoelectric elasticity beams 3, the design also includes swinging the electromagnetism for driving it to rotate hair by swing rod 2
Motor 4, the piezoelectric elasticity beam 3 include spring beam 301 and the piezoelectric film 302 being attached on the spring beam, the court of swing rod 2
Mass 5 is provided with to the end of each piezoelectric elasticity beam 3, to ensure that piezoelectric elasticity beam 3 can normally play use, in institute
Stating that mass 5 is provided with can part be overlapping with each end of piezoelectric elasticity beam 3, stirs piezoelectricity bullet when being swung with the swing rod
Property beam and for hit piezoelectric elasticity beam make its produce high frequency free vibration plectrum 501.Piezoelectric elasticity beam described in the design
Setting form it is unrestricted as horizontal homogeneous set or radially uniform setting, as long as ensure the plectrum 501 can with it is described
The end of piezoelectric elasticity beam 3 overlaps and plectrum can hit piezoelectric elasticity beam and it is produced high frequency free vibration, this
The preferably described radially uniform arrangement of piezoelectric elasticity beam of embodiment.
To ensure that swing rod 2 can not keep balancing under by wave active state, the utility model is additionally provided with torsion spring 6, institute
The one end for stating torsion spring 6 is connected with the frame 1, the other end is connected with the end of the swing rod 2.
First support 701 vertically is provided with the frame, center is hinged with the first support 701 as the swing rod
The first rotating shaft 801 of the centre of gyration, the swing rod 2 are rigidly connected in the first rotating shaft 801, and the torsion spring 6 is set in institute
State in first rotating shaft 801.The speedup tooth being meshed with the input shaft of electromagnetic generator 4 is connected with the first rotating shaft 801
Wheel set 9, the speedup series of speed increasing gear train can be set according to requirement during actual use to speed, and the present embodiment selects two
Secondary speedup, i.e., the second support 702 of support speed increasing gear is provided between the first support 701 and the electromagnetic generator 4
With the second rotating shaft 802.
The bearing 10 for installing each piezoelectric elasticity beam 3 is additionally provided with the frame 1.
Operation principle of the present utility model is as follows：
By the initial makeup location for adjusting torsion spring 6 so that torque of the swing rod 2 in the gravity of mass 5 to the centre of gyration 201
It is horizontal with the collective effect of the moment of torsion of torsion spring 6, in use, Wave energy collecting device peace of the present utility model
Loaded in carrying platform 11, when dipping and heaving is occurring in the presence of wave for carrying platform, frame 1 in the present apparatus is with taking
Carrying platform up-down vibration, swing rod 2 is in the presence of mass 5, torsion spring 6 and speed increasing gear train 9 are to its caused torque, swing rod 2
The reciprocally swinging relative to the centre of gyration will be produced, that is, produces the base excitation in forced vibration, will be put by speed increasing gear train 9
The speedup that the swing of bar 2 is converted into the input shaft of electromagnetic generator 4 rotates, and thus electromagnetic generator 4 exports higher electric energy.
In 2 reciprocally swinging of swing rod, plectrum 501 hits the free end of piezoelectric elasticity beam 3, and plectrum 501 will be with piezoelectricity bullet
Property the end of beam 3 contact and extrude, piezoelectric elasticity beam 3 is produced deflection deformation, accumulate elastic potential energy, until plectrum 501 and piezoelectricity
The overlap length vanishing of spring beam 3, that is, separate so that piezoelectric elasticity beam produces high frequency free vibration, and then makes piezoelectric elasticity
Piezoelectric film 302 on beam 3 is extended and compressed by corresponding frequencies, and electromotive force, the elastic potential energy that will build up on are produced by piezo-electric effect
It is converted into electric energy.During the reciprocally swinging of swing rod 2, plectrum 501 successively with each piezoelectric elasticity in the array of piezoelectric elasticity beam 3
Beam produces contact-separation, and then constantly has electric energy output.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (6)
- A kind of 1. combined type Wave energy collecting device, it is characterised in that：Machine including installation can be coordinated with marine carrying platform Frame, the frame be provided with by wave effect be capable of reciprocally swinging swing rod, be evenly distributed on swing rod swing circular arc on it is more Individual piezoelectric elasticity beam, the electromagnetic generator driven swung by swing rod, the swing rod is towards on the end of each piezoelectric elasticity beam Provided with mass, the mass be provided with can part it is overlapping with each piezoelectric elasticity beam end, with the swing rod swing When stir piezoelectric elasticity beam, for hit piezoelectric elasticity beam make its produce high frequency free vibration plectrum.
- A kind of 2. combined type Wave energy collecting device according to claim 1, it is characterised in that：Also include making the swing rod The torsion spring of balance is not being kept under by wave active state, the one end is connected with the frame, the other end and the pendulum Bar connects.
- A kind of 3. combined type Wave energy collecting device according to claim 2, it is characterised in that：Vertically set in the frame There is support, the rotating shaft for driving the swing rod to rotate is rotatably connected on the support, the torsion spring is set in the rotating shaft.
- A kind of 4. combined type Wave energy collecting device according to claim 3, it is characterised in that：It is connected with the rotating shaft The speed increasing gear train of connection is engaged with the electromagnetic generator input shaft.
- A kind of 5. combined type Wave energy collecting device according to claim any one of 1-4, it is characterised in that：The frame On be additionally provided with the bearing for installing each piezoelectric elasticity beam.
- A kind of 6. combined type Wave energy collecting device according to claim 5, it is characterised in that：The piezoelectric elasticity Liang Bao Include spring beam and the piezoelectric film being attached on the spring beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720475102.8U CN206770100U (en) | 2017-05-02 | 2017-05-02 | A kind of combined type Wave energy collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720475102.8U CN206770100U (en) | 2017-05-02 | 2017-05-02 | A kind of combined type Wave energy collecting device |
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| Publication Number | Publication Date |
|---|---|
| CN206770100U true CN206770100U (en) | 2017-12-19 |
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ID=60648868
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| CN201720475102.8U Active CN206770100U (en) | 2017-05-02 | 2017-05-02 | A kind of combined type Wave energy collecting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948997A (en) * | 2017-05-02 | 2017-07-14 | 苏州大学 | A kind of combined type Wave energy collecting device |
| CN109256983A (en) * | 2018-08-23 | 2019-01-22 | 哈尔滨工程大学 | Swing piezoelectricity Wave energy converting device with swash plate |
| CN110053029A (en) * | 2019-05-15 | 2019-07-26 | 苏州大学 | A kind of self-powered rotation detection and interaction control device and method |
| WO2021077854A1 (en) * | 2019-10-24 | 2021-04-29 | 苏州大学 | Compound pendulum frequency-raising type wave energy collection device |
| CN113530748A (en) * | 2021-07-29 | 2021-10-22 | 暨南大学 | Seesaw type wave energy power generation device |
-
2017
- 2017-05-02 CN CN201720475102.8U patent/CN206770100U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948997A (en) * | 2017-05-02 | 2017-07-14 | 苏州大学 | A kind of combined type Wave energy collecting device |
| CN109256983A (en) * | 2018-08-23 | 2019-01-22 | 哈尔滨工程大学 | Swing piezoelectricity Wave energy converting device with swash plate |
| CN110053029A (en) * | 2019-05-15 | 2019-07-26 | 苏州大学 | A kind of self-powered rotation detection and interaction control device and method |
| CN110053029B (en) * | 2019-05-15 | 2023-05-23 | 苏州大学 | Self-powered rotation detection and interaction control device and method |
| WO2021077854A1 (en) * | 2019-10-24 | 2021-04-29 | 苏州大学 | Compound pendulum frequency-raising type wave energy collection device |
| US11542910B2 (en) | 2019-10-24 | 2023-01-03 | Soochow University | Multiple weight pendulum-based wave energy harvesting apparatus incorporating magnetic repulsion-based piezoelectric power generation mechanism |
| CN113530748A (en) * | 2021-07-29 | 2021-10-22 | 暨南大学 | Seesaw type wave energy power generation device |
| CN113530748B (en) * | 2021-07-29 | 2023-08-01 | 暨南大学 | Seesaw type wave energy power generation device |
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