CN207033643U - A kind of Wave energy collecting device - Google Patents
A kind of Wave energy collecting device Download PDFInfo
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- CN207033643U CN207033643U CN201720710177.XU CN201720710177U CN207033643U CN 207033643 U CN207033643 U CN 207033643U CN 201720710177 U CN201720710177 U CN 201720710177U CN 207033643 U CN207033643 U CN 207033643U
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- collecting device
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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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Abstract
A kind of Wave energy collecting device of the application, including frame, the swing mechanism that can be swung around the shaft with wave motion being arranged in frame, the magneto for setting the gear speed increasing mechanism being connected with described swing mechanism, setting to be connected with the gear speed increasing mechanism and being fixed in frame, the piezoelectric generating device being arranged at left and right sides of described swing mechanism, described piezoelectric generating device includes the spring beam being fixed in frame, the piezoelectric film being fitted on spring beam.A kind of Wave energy collecting device described herein, collect the low frequency of ocean wave or so vibrational energy, swing mechanism swings with the motion of wave, and the high-speed rotation of rotor of permanent-magnetic power generator is converted into by gear speed increasing mechanism, carry out Electromagnetic generation, swing mechanism hits spring beam simultaneously, piezoelectric elasticity beam is set to produce high frequency free vibration, piezo-electric generating is carried out, finally realizes high power density output and higher energy conversion efficiency of the Wave energy collecting device in the case where closing narrow the integration environment.
Description
Technical field
The application is related to a kind of Wave energy collecting device.
Background technology
Wave energy refers to kinetic energy and potential energy possessed by ocean surface wave, belongs to clean reproducible energy.On the earth
70% area is covered by seawater, and ocean wave energy resource is huge, there is wide Development volue.Because the mankind are to the energy
Demand increasingly increases limited with non-regeneration energy reserves, and nowadays increasing researcher has turned one's attention to ocean wave
Unrestrained energy, promotes the developmental research of wave energy.At present, most Wave energy conversion systems can be according to its transfer principle, by ripple
Unrestrained energy collector is divided into point-absorbing, pendulum-type, raft formula, canard, oscillaton water column type and shrinks radio frequency channel formula.Wherein point-absorbing fills
Put the main motion using oscillating floater under action of wave force and carry out wave-energy collection, there is high conversion efficiency, cost of investment
A kind of wave-energy power generation technology that the features such as small is most study, most characteristic., again can be by energy according to the mechanism of TRT
Amount collector is divided into electromagnetic type, piezo-electric type and electroactive polymer type.Wherein electromagnetic type energy harvester is mainly with using permanent magnetism
Based on generator, generally to be applied to buoy electricity generation system, piezo-electric type and electroactive polymer type belong to newer switch technology more,
The research of particularly electroactive polymer generator is in the ascendant.
At present, it is relatively fewer that the device of collection wave energy in offshore set-up platform can be integrated in, be mostly point-absorbing.It is existing
There is device typically to use Electromagnetic generation and piezo-electric generating two types.Electromagnetic generation type application is most, mostly using permanent magnetism
Generator carries out Electromagnetic generation.When carrying platform is acted on up-down vibration by wave, the transmission mechanism in carrying platform will carry
The energy of platform up-down vibration is converted into rotating mechanical energy and transmits magneto, and final magneto generates electricity.Nowadays with
The further investigation development of point-absorbing wave-energy collection device, drive mechanism type is broadly divided into mechanical, fluid pressure type, hydraulic pressure
Formula and direct-drive type.There is the characteristics of frequency is low, permanent magnetism hair due to the energy loss of transmission mechanism and ocean wave vibration be present
Input shaft rotating speed in motor is relatively low so that the rate of change of magnetic flux is smaller, have impact on generating output.Piezoelectric type wave-energy collection
Device is usually designed to cantilever beam structure, and most the low-frequency vibration of wave is converted into the dither of cantilever beam at last, so as to export
Electric energy.However, how to design the dither that the low-frequency vibration of wave is efficiently converted into cantilever beam by device is piezoelectric type ripple
One big difficult point of unrestrained energy collection device, governs the development of piezoelectric type Wave energy collecting device.Therefore, piezoelectric type wave-energy collection
The development of device is less.
There is the characteristics of frequency is extremely low, existing electricity due to wave vibration in the energy loss of transmission mechanism and ocean be present
The power output of the energy collecting device of magnetic power generation type is heavily dependent on the height and transmission mechanism of vibration frequency
Structure design.In the design of piezoelectric type energy collection device, how to design device and be efficiently converted into the low-frequency vibration of wave
The dither of cantilever beam is a wherein difficult point.
Utility model content
In order to solve the above technical problems, the purpose of the application is to provide a kind of Wave energy collecting device.
A kind of Wave energy collecting device of the application, including frame, be arranged in frame can with wave motion and around
Swing mechanism that rotating shaft swings, the piezoelectric generating device being arranged at left and right sides of described swing mechanism, described piezoelectricity
TRT includes the spring beam being fixed in frame, the piezoelectric film being fitted on spring beam.
Preferably, described swing mechanism include with described frame rotated by rotating shaft the swing rod being connected, be arranged on
The mass for being used for the described spring beam of collision when swinging of described swing rod lower end.
Preferably, described spring beam is fixedly installed in frame along the vertical direction, the left and right sides of described spring beam
Piezoelectric film is pasted with, described spring beam has is not used for what is be in contact with described mass by what described piezoelectric film covered
End.
Preferably, described Wave energy collecting device also includes the electricity that the kinetic energy of described swing mechanism is converted into electric energy
Magnetic generator.
Preferably, described Wave energy collecting device also includes gear speed increasing mechanism, and described gear speed increasing mechanism includes
It is intermeshing be used to driving the first gear of the input shaft of described electromagnetic generator and be fixed on described swing rod the
Two gears, the straight line where described rotating shaft pass through the home position of described second gear.
Preferably, the angular speed of described first gear is more than the angular speed of described second gear.
Preferably, the piezoelectric generating device of the both sides of described swing mechanism is along the symmetrical setting of swing rod.
By such scheme, the application at least has advantages below：
A kind of Wave energy collecting device described herein, collects low frequency of ocean wave or so vibrational energy, oscillating machine
Structure swings with the motion of wave, while swing mechanism hits spring beam, makes the high frequency free vibration of piezoelectric elasticity beam, enters
Row piezo-electric generating, realize the high power density output of wave energy.
Described above is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And can be practiced according to the content of specification, below with the preferred embodiment of the application and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Wave energy collecting device described herein,
Fig. 2 is the structural representation that Wave energy collecting device described herein is arranged in carrying platform,
Wherein：1st, frame；21st, spring beam；22nd, piezoelectric film；3rd, electromagnetic generator；31st, first gear；41st, mass；
42nd, swing rod；43rd, rotating shaft；44th, second gear；100th, Wave energy collecting device；200th, carrying platform
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the application is described in further detail.Implement below
Example is used to illustrate the application, but is not limited to scope of the present application.
Referring to Fig. 1 and Fig. 2, a kind of Wave energy collecting device described in the preferred embodiment of the application one, including frame 1, set
Be placed in frame 1 can with wave motion and around the shaft 43 swing mechanisms to swing, be arranged on described swing mechanism
The piezoelectric generating device of the left and right sides, described piezoelectric generating device include be fixed in frame 1 spring beam 21, be fitted in bullet
Property beam 21 on piezoelectric film 22, described spring beam 21 along the vertical direction and it is relative swing rod is symmetrical is arranged in frame 1,
The left and right sides of described spring beam 21 is pasted with piezoelectric film 22.Described swing mechanism is included with described frame 1 by turning
Axle 43 rotate connection swing rod 42, be arranged on the described lower end of swing rod 42 be used for the described spring beam 21 of collision when swinging
Mass 41.Described spring beam 21 has not to be used for and the described phase of mass 41 by what described piezoelectric film 22 covered
The end of contact.
Described Wave energy collecting device also includes the Electromagnetic generation that the kinetic energy of described swing mechanism is converted into electric energy
Machine 3.Described Wave energy collecting device also includes gear speed increasing mechanism, and described gear speed increasing mechanism includes intermeshing use
First gear 31 and the second gear that is fixed on described swing rod 42 in the input shaft of the described electromagnetic generator 3 of driving
44, the straight line where described rotating shaft 43 passes through the home position of described second gear 44.The angle of described first gear 31
Speed is more than the angular speed of described second gear 44.
Swing mechanism collects low frequency of ocean wave or so vibrational energy when being swung with wave motion, conversion
The high frequency free vibration of high-speed rotation and piezoelectric elasticity beam 21 for rotor, and then Electromagnetic generation and piezoelectricity hair are carried out simultaneously
Electricity, simplifies the transmission mechanism of device, finally realizes the high power density output of wave energy and higher energy conversion efficiency.
The operation principle of the application is as follows：
Wave energy collecting device described herein may be generally mounted inside carrying platform, and carrying platform can be sea
On buoy, the equipment such as ROV.Under wave effect of vibration, carrying platform swings therewith, and swing rod 42 surrounds gyroaxis
43 swing, and drive electromagnetic generator 3 to rotate by gear speed increasing mechanism so that electromagnetic generator 3 obtains higher rotating speed, and exports
Electric energy；Meanwhile during the swing of swing rod 42, the mass 41 of the end of swing rod 42 will contact with the end of spring beam 21 of the left and right sides,
Spring beam 21 is produced deflection deformation, accumulate elastic potential energy, then separate with spring beam 21 so that spring beam 21 produces high-frequency
Free vibration, the piezoelectric film 22 on spring beam 21 are extended and compressed by corresponding frequencies, and electromotive force is produced by piezo-electric effect, with
Greater efficiency exports electric energy.The present apparatus utilizes Electromagnetic generation and piezoelectric generation module simultaneously, expeditiously by wave side-to-side vibrations
Energy indirect reformer be electric energy.
In this application, can according to conditions such as the frequency of wave vibration, amplitudes, by changing the quality of mass 41,
The length and gear speed increasing mechanism of swing rod 42, to realize the optimization of service behaviour.Can also be by changing first gear 31 and
The number of gears of two gears 44, increase the rotating speed of electromagnetic generator 3.The matrix of spring beam 21, which uses, has certain elastic material (such as
Silicon substrate, Metal Substrate, polymer matrix etc.), body upper surface attachment piezoelectric material film.In 42 reciprocally swinging of swing rod, the end of swing rod 42
The mass 41 at end hits the free terminal of spring beam 21, spring beam 21 is produced deflection deformation, accumulates elastic potential energy.According to pressure
The piezoelectric property of electric material, the efficiency that the frequency for applying external force exports electric energy to piezoelectric have a direct impact.Can be according to pressure
The material piezoelectric property of electrolemma 22 design piezoelectric elasticity beam 21, makes its free running frequency meet the high efficiency piezoelectricity of piezoelectric film 22
Electric energy exports.During the reciprocally swinging of swing rod 42, mass 41 produces with the spring beam 21 of the left and right sides and contacts-separate successively
Motion, and then constantly have electric energy output.
Described above is only the preferred embodiment of the application, is not limited to the application, it is noted that for this skill
For the those of ordinary skill in art field, on the premise of present techniques principle is not departed from, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as the protection domain of the application.
Claims (7)
- A kind of 1. Wave energy collecting device, it is characterised in that：Described Wave energy collecting device includes frame, is arranged in frame The swing mechanism that can be swung around the shaft with wave motion, the piezoelectricity that is arranged at left and right sides of described swing mechanism TRT, described piezoelectric generating device include the spring beam being fixed in frame, the piezoelectric film being fitted on spring beam.
- A kind of 2. Wave energy collecting device according to claim 1, it is characterised in that：Described swing mechanism includes and institute The frame stated by rotating shaft rotate connection swing rod, be arranged on described swing rod lower end to be used for when swinging collision described The mass of spring beam.
- A kind of 3. Wave energy collecting device according to claim 2, it is characterised in that：Described spring beam is along the vertical direction It is fixedly installed in frame, piezoelectric film is pasted with left and right sides of described spring beam, described spring beam has not described Piezoelectric film covering for the end that is in contact with described mass.
- A kind of 4. Wave energy collecting device according to claim 2, it is characterised in that：Described Wave energy collecting device is also Electromagnetic generator including the kinetic energy of described swing mechanism to be converted into electric energy.
- A kind of 5. Wave energy collecting device according to claim 4, it is characterised in that：Described Wave energy collecting device is also Including gear speed increasing mechanism, described gear speed increasing mechanism includes intermeshing for driving the defeated of described electromagnetic generator Enter the first gear of axle and the second gear being fixed on described swing rod, the straight line where described rotating shaft passes through described the The home position of two gears.
- A kind of 6. Wave energy collecting device according to claim 5, it is characterised in that：The angular speed of described first gear More than the angular speed of described second gear.
- A kind of 7. Wave energy collecting device according to claim 3, it is characterised in that：The both sides of described swing mechanism Piezoelectric generating device is along the symmetrical setting of swing rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720710177.XU CN207033643U (en) | 2017-06-19 | 2017-06-19 | A kind of Wave energy collecting device |
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| CN201720710177.XU CN207033643U (en) | 2017-06-19 | 2017-06-19 | A kind of Wave energy collecting device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218171A (en) * | 2017-06-19 | 2017-09-29 | 苏州大学 | A kind of Wave energy collecting device |
| CN108590940A (en) * | 2018-06-29 | 2018-09-28 | 华中科技大学 | A kind of wave energy generating set |
| CN109183712A (en) * | 2018-10-22 | 2019-01-11 | 河海大学 | A kind of water tank type floating breakwater configuring power generator |
| CN109594522A (en) * | 2018-12-04 | 2019-04-09 | 河海大学 | A kind of floating breakwater configuring the arc wave resistance wing and power generator |
| CN109915309A (en) * | 2019-03-28 | 2019-06-21 | 浙江海洋大学 | A kind of increasing frequency formula electric generator using sea wave energy |
| CN110594077A (en) * | 2019-10-24 | 2019-12-20 | 苏州大学 | Compound pendulum frequency-raising type wave energy collecting device |
| CN111980845A (en) * | 2020-08-12 | 2020-11-24 | 杭州电子科技大学 | Wave energy conversion device and conversion method |
| WO2020246619A1 (en) * | 2019-06-03 | 2020-12-10 | 西風技研株式会社 | Power generation system and vibration-powered generator |
| CN113864103A (en) * | 2021-09-24 | 2021-12-31 | 广州大学 | Energy acquisition device based on wave energy |
| CN114542368A (en) * | 2022-02-21 | 2022-05-27 | 国家海洋技术中心 | Wave energy collection device |
-
2017
- 2017-06-19 CN CN201720710177.XU patent/CN207033643U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218171A (en) * | 2017-06-19 | 2017-09-29 | 苏州大学 | A kind of Wave energy collecting device |
| CN107218171B (en) * | 2017-06-19 | 2023-10-27 | 苏州大学 | Wave energy collecting device |
| CN108590940A (en) * | 2018-06-29 | 2018-09-28 | 华中科技大学 | A kind of wave energy generating set |
| CN108590940B (en) * | 2018-06-29 | 2024-04-05 | 华中科技大学 | Wave energy power generation device |
| CN109183712A (en) * | 2018-10-22 | 2019-01-11 | 河海大学 | A kind of water tank type floating breakwater configuring power generator |
| CN109594522B (en) * | 2018-12-04 | 2021-01-05 | 河海大学 | Floating breakwater provided with arc-shaped wave wings and power generation device |
| CN109594522A (en) * | 2018-12-04 | 2019-04-09 | 河海大学 | A kind of floating breakwater configuring the arc wave resistance wing and power generator |
| CN109915309A (en) * | 2019-03-28 | 2019-06-21 | 浙江海洋大学 | A kind of increasing frequency formula electric generator using sea wave energy |
| CN109915309B (en) * | 2019-03-28 | 2024-03-12 | 浙江海洋大学 | Frequency-increasing ocean wave energy power generation device |
| WO2020246619A1 (en) * | 2019-06-03 | 2020-12-10 | 西風技研株式会社 | Power generation system and vibration-powered generator |
| CN110594077A (en) * | 2019-10-24 | 2019-12-20 | 苏州大学 | Compound pendulum frequency-raising type wave energy collecting device |
| CN110594077B (en) * | 2019-10-24 | 2024-07-23 | 苏州大学 | Compound pendulum frequency-raising wave energy collecting device |
| CN111980845A (en) * | 2020-08-12 | 2020-11-24 | 杭州电子科技大学 | Wave energy conversion device and conversion method |
| CN113864103A (en) * | 2021-09-24 | 2021-12-31 | 广州大学 | Energy acquisition device based on wave energy |
| CN114542368A (en) * | 2022-02-21 | 2022-05-27 | 国家海洋技术中心 | Wave energy collection device |
| CN114542368B (en) * | 2022-02-21 | 2024-01-23 | 国家海洋技术中心 | Wave energy collection device |
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