CN110439735A - A kind of vibrator type wave energy generating set - Google Patents
A kind of vibrator type wave energy generating set Download PDFInfo
- Publication number
- CN110439735A CN110439735A CN201910573113.3A CN201910573113A CN110439735A CN 110439735 A CN110439735 A CN 110439735A CN 201910573113 A CN201910573113 A CN 201910573113A CN 110439735 A CN110439735 A CN 110439735A
- Authority
- CN
- China
- Prior art keywords
- support rod
- bracing member
- oscillator
- pole
- center
- 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.)
- Granted
Links
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"
- F03B13/20—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" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
-
- 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 vibrator type wave energy generating sets, including float, oscillator, center-pole, bracing member, spring lever and power generator；The lower end of the center-pole is connect with oscillator；The upper end of the center-pole passes through center-pole and the upper extreme point of bracing member connects；The lower extreme point of the bracing member is connect with the upper surface to float；The spring lever of longitudinal arrangement is symmetrically arranged on the bracing member.The configuration of the present invention is simple can efficiently utilize wave energy, solve the problems, such as that spring stiffness factor is partially soft.
Description
Technical field
The present invention relates to a kind of vibrator type wave energy generating sets, are vibrated using wave period, driving device oscillator resonance,
And then reciprocating motion when device resonance is utilized to generate electricity.
Background technique
Using the device of power generation with marine energy, there are mainly three types of technology types.The tidal power changed using tidal level
Device stablizes the ocean current energy power generator of ocean current, and the wave energy generating set using wave of the sea using seabed.Different technologies
Form respectively has advantage and disadvantage.Wave energy generating set has structure simple, relies on landform small, can largely mat formation etc. in offshore excellent
Point.
Generally, it is considered that wave is formed by the addition of waveforms of unlimited number of different frequency difference amplitude out of phase.It is different
The energy density of frequency component constitutes the energy spectrum of wave.For typical stormy waves, energy spectrum has single peak value, the peak position
It is directly related with ocean surface wind speed.Wind speed is bigger, and the frequency of corresponding energy peak is lower.Studies have shown that in different wind speed and directions
Under orographic condition, wind wave periods are usually between several seconds to more than ten seconds.
Common stormy waves power generator, bottom are fixed on seabed, directly push float to do reciprocal fortune using the heave of waves
Dynamic power generation.Main body in device with wave motion is the float on sea, and the amplitude of reciprocating motion is directly wave wave amplitude.Because this
The problems such as fixed form flops stress there are subsea construction complexity and wave has improved procedure to cancel seabed and fixes, be changed to utilize
The modes such as resistance to water-flow make float and apparatus main body form reciprocal operation.It is such as suspended in sea completely by some devices, utilizes
Relative motion power generation between contained spring oscillator structure.
Above-mentioned technology stresses to solve the particular problem in spring vibration minor power generator, and oscillator device has to enter into resonance shape
State could obtain energy from wave to greatest extent.And in wind wave spectra the peak vibration period about in several seconds to more than ten seconds ranges.Bullet
The harmonic period of spring oscillator can be by formula:
Wherein, m is oscillator quality, and k is device of spring stiffness coefficient.For the harmonic period for reaching 10 second-times, oscillator bullet is needed
Spring has lesser stiffness factor.When oscillator quality be 100kg when, calculate stiffness factor be 39.5N/m.Such spring is stablized
Property is poor, is easily damaged in use.Therefore Machine Design need to take measures to improve device of spring stiffness coefficient.Meanwhile same vibration
Subsystem needs device of spring stiffness coefficient to improve 100 times than before for the harmonic period for realizing 1 second-time.Therefore it is needed in design
Dynamic adjustment spring system configuration is considered, to adapt to different stormy waves situations.
In balance, oscillator weight is undertaken mass-spring system by spring.Spring type variable calculates as follows:
Δ x=mg/k=g (T/2 π)2
Wherein, g is acceleration of gravity, and T is harmonic period.Amount of spring compression and oscillator harmonic period phase when therefore balancing
It closes.For the harmonic period for reaching 10 second-times, amount of spring compression is 24.8m when balance.For make oscillator can Project Realization, need
Special system design is carried out, to reduce amount of spring compression.
In short, it is partially soft to remain device of spring stiffness coefficient in the prior art, equilibrium state decrement is big and stiffness factor not
The problem of dynamic is adjusted.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of vibrator type wave energy generating sets, with solution
The problems such as device of spring stiffness coefficient certainly existing in the prior art is partially soft, and equilibrium state decrement is big.
To solve prior art problem, the technical scheme adopted by the invention is as follows:
A kind of vibrator type wave energy generating set, including float, oscillator, center-pole, bracing member and spring lever；In described
The lower end of core bar is connect with oscillator；The upper end of the center-pole passes through center-pole and the upper extreme point of bracing member connects；The branch
The lower extreme point of supporting pole rack is connect with the upper surface to float；The spring lever of longitudinal arrangement is symmetrically arranged on the bracing member.
Further, the upper surface of the float is further fixed on power generator；The center-pole is passed through from power generator.
Further, the oscillator is streamlined structure；It is filled in the oscillator and fills the substance that density is greater than water.
Further, the bracing member includes support rod；The support rod support rod arranged in a crossed manner for forming rail shape
Frame.
Further, the support rod both ends are provided with support rod end axis, are provided centrally with support rod axis；Described two
Support rod is flexibly connected by support rod axis, decussate；It is flexibly connected between the X-shaped by support rod end axis；It is described
The both ends of bracing member are flexibly connected by half of support rod.
Further, it is flexibly connected between the spring lever and support rod by spring lever connecting shaft；The spring lever
Both ends are connected respectively on different support rods；The quantity of the spring lever is even number.
Compared with prior art, the present invention have it is following the utility model has the advantages that
By the present invention in that connecting center-pole with bracing member, spring lever is mounted on support rod, support rod machinery knot
The stroke of spring lever is needed under structure reduction oscillator resonant state, therefore the bigger spring of stiffness factor can be selected, is solved existing
There is the problem that spring stiffness factor is partially soft in technology；By connecting multiple groups spring lever on bracing member, by adjusting every group of spring
Whether bar is connected to bracing member, realizes spring lever various combination, obtains different spring lever group stiffness factors；Oscillator is swum in
In water, by being slightly larger than the substance of seawater in oscillator packed density, resonance is not needed simultaneously playing stabilization to whole device
Spring provides very big compression-type variable；Wave energy is absorbed by way of oscillator and the resonance of wave waveform, realizes power generation.
Detailed description of the invention
Fig. 1 is the structure chart of apparatus of the present invention
Fig. 2 is the structure chart of bracing member
Fig. 3 is single-frequency resonance starting of oscillation waveform diagram
Fig. 4 is single-frequency resonance stable state waveform figure
Fig. 5 is mixed frequency resonance starting of oscillation waveform diagram
Fig. 6 is mixed frequency resonance stable state waveform figure
Appended drawing reference: 1- float；2- oscillator；3- center-pole；4- bracing member；5- spring lever；6- support rod；7- support rod
Hold axis；8- support rod axis；9- spring lever connecting shaft；10- upper extreme point；11- lower extreme point.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1 and Figure 2, a kind of vibrator type wave energy generating set, including float 1, oscillator 2, center-pole 3, support rod
Frame 4, spring lever 5 and power generator.Float 1 is provided centrally with perforative through-hole, and center-pole 3 is passed through from hole.Center-pole 3
Lower part is connected with oscillator 2, and top is connected to the upper extreme point 10 of bracing member 4.The lower extreme point 11 of bracing member 4 is connected to float 1
Top surface.Bracing member 4 is rail shape, installs multiple spring levers 5 thereon.Power generator is fixed on the top surface of float 1, center-pole
3 pass through from power generator.When device resonance, the center-pole 3 across power generator moves reciprocatingly, and drives power generator hair
Electricity.
Oscillator 2 be it is streamlined, convenient for pumping in water.Packed density is slightly larger than the substance of water in oscillator 2.
For oscillator 2 in water simultaneously by self gravity and buoyancy effect, gravity is greater than buoyancy.Therefore, oscillator 2 can integrally provide device
Certain downward pulling force, plays stabilization.Again because buoyancy offsets most of gravity of oscillator 2, the balance for needing spring lever 5 to provide
Power is smaller.Therefore it can solve the problems, such as that equilibrium state needs amount of spring compression big.
The structure of bracing member 4 is as follows.Bracing member 4 includes support rod 6, and all support rods 6 are isometric, and the two of support rod 6
End is provided with support rod end axis, and there is support rod axis 8 at center.Two support rods 6 are connected by support rod axis 8, decussate,
It is free to rotate.Adjacent support rod 6, endpoint are free to rotate to support rod end axis 7 to connect.All support rods 6 successively connect
It connects, constitutes the bracing member 4 of hedge shape.The top of bracing member 4, one end of two and half support rods 6 is with the company of support rod axis 8
It connects, forms the upper extreme point 10 of bracing member 4, the other end is connected respectively to adjacent support rod end axis 7.Likewise, bracing member 4
Bottom, one end of two and half support rods 6 forms the lower extreme point 11 of bracing member 4, the other end point with the connection of support rod axis 8
It is not connected to adjacent support rod end axis 7.
There is spring lever connecting shaft 9 at the both ends of spring lever 5, and both ends are connected respectively on different support rods 6, tie point position
Half-breadth to corresponding support rod 6 is identical.After being installed, all spring levers 5 are parallel with center-pole 3.To guarantee support rod
4 stress balance of frame, every group of spring lever 5 should be even number with being arranged symmetrically with center-pole 3 for symmetry axis.In this way, in passing through when oscillator
When core bar 3 drives the upper extreme point 10 of bracing member 4 to move, the moving distance of the upper extreme point 10 of bracing member 4 is supported the contracting of bridge 4
Spring lever 5 is transmitted to after small.If the moving distance for being transmitted to spring lever 5 is reduced to original 1/m, it is equivalent to spring stiffness system
Number can be changed to original m times.Solve the problems, such as that device of spring stiffness coefficient needed for oscillator system is less than normal.
The wind wave spectra energy peak periodic regime that sea is disposed according to device, can set the spring of multiple groups difference stiffness factor
Bar 5.By controlling whether different spring levers 5 connects with bracing member 4, the bullet that combination obtains a variety of difference stiffness factors can be passed through
Spring base system adapts to a variety of different seas stormy waves situations.
Each spring lever 5 on bracing member 4, if its stiffness factor is ki, the length of corresponding support rod 6 is li(figure
Middle dotted line covering part), the half of all 6 total lengths of support rod is L.Then all spring levers 5 being connected on support rod 6, it is whole
Body stiffness factor may be expressed as:
K=∑ liki/L
In system, if oscillator quality is m1, float quality is m2, it is x that oscillator, which deviates equilbrium position displacement,1, float deviates flat
Weighing apparatus position displacement is x2, sea level height displacement is x3.Float 1 enters water unit distance and generates buoyancy F.Power generator is to center-pole 3
Resistance is directly proportional to the two relative velocity, proportionality coefficient γ, i.e. oscillator damped coefficient.
Force analysis is carried out to system, can be obtained:
Wherein x3Excitation is an externally input,For system generated output.
Take m1=100kg, m2=10kg, k=39.4N/m, γ=1kg/s, F=9.8e4N/m.Oscillator harmonic period at this time
About 10s sets external drive x3For period 10s, the sine wave of amplitude 0.1.Emulation obtains initial 50s and 0~500s is complete
Waveform and as shown in Figure 3, Figure 4.Solid line is oscillator amplitude, and dotted line and chain-dotted line are float amplitude and sea level height waveform.Wherein
Float amplitude and sea level height variation essentially coincide.Oscillator and sea driving frequency resonance, amplitude continues to increase, until finally reaching
60 times or so to sea level height variation amplitude reach stable.It is changeable to reach by adjusting power generator oscillator damped coefficient γ
To oscillator resonance amplitude when stablizing.Example shows that device can effectively amplify sea level height variation under resonance, realize efficiency power generation.
Other parameters are constant, set external drive x3For period 10s/9s/8s, three sine-wave superimposeds of amplitude 0.1.It is imitative
Really obtain initial 50s and 0~500s complete waveform and as shown in Figure 5, Figure 6.It can be seen that other are complicated in the case where effective resonance
Excitation waveform, which exists, has no effect on the final resonance effect of oscillator system.
This system can realize oscillator resonance under the conditions of broader stormy waves, efficiently utilize wave-energy power generation.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effects carry out
It is further described, the technical means disclosed in the embodiments of the present invention is not limited only to technology hand disclosed in above embodiment
Section, also includes technical solutions formed by any combination of the above technical features.It should be pointed out that for the common of the art
For technical staff, various improvements and modifications may be made without departing from the principle of the present invention, these are improved and profit
Decorations are also considered as protection scope of the present invention.
Claims (6)
1. a kind of vibrator type wave energy generating set, which is characterized in that including float, oscillator, center-pole, bracing member and spring
Bar；The lower end of the center-pole is connect with oscillator；The upper end of the center-pole passes through center-pole and the upper extreme point of bracing member connects
It connects；The lower extreme point of the bracing member is connect with the upper surface to float；Longitudinal arrangement is symmetrically arranged on the bracing member
Spring lever.
2. a kind of vibrator type wave energy generating set according to claim 1, which is characterized in that the upper surface of the float
It is further fixed on power generator；The center-pole is passed through from power generator.
3. a kind of vibrator type wave energy generating set according to claim 1, which is characterized in that the oscillator is streamlined
Structure；It is filled in the oscillator and fills the substance that density is greater than water.
4. a kind of vibrator type wave energy generating set according to claim 1, which is characterized in that the bracing member includes
Support rod；The support rod bracing member arranged in a crossed manner for forming rail shape.
5. a kind of vibrator type wave energy generating set according to claim 4, which is characterized in that the support rod both ends are set
It is equipped with support rod end axis, is provided centrally with support rod axis；Two support rods are flexibly connected by support rod axis, are intersected
At X-shaped；It is flexibly connected between the X-shaped by support rod end axis；The both ends of the bracing member pass through half of support rod
It is flexibly connected.
6. a kind of vibrator type wave energy generating set according to claim 4, which is characterized in that the spring lever and support
It is flexibly connected between bar by spring lever connecting shaft；The both ends of the spring lever are connected respectively on different support rods；The bullet
The quantity of spring base is even number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573113.3A CN110439735B (en) | 2019-06-27 | 2019-06-27 | Vibrator type wave energy power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573113.3A CN110439735B (en) | 2019-06-27 | 2019-06-27 | Vibrator type wave energy power generation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110439735A true CN110439735A (en) | 2019-11-12 |
| CN110439735B CN110439735B (en) | 2020-12-08 |
Family
ID=68428588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910573113.3A Active CN110439735B (en) | 2019-06-27 | 2019-06-27 | Vibrator type wave energy power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110439735B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008097116A2 (en) * | 2007-02-05 | 2008-08-14 | Albuquerque Jose Manuel Braga | A submerged waterproof wave energy converter with gyroscope power- take-off |
| US20100264658A1 (en) * | 2009-04-20 | 2010-10-21 | Manuel Torres Martinez | Power station on a submerged floating platform |
| EP2369170A1 (en) * | 2010-03-24 | 2011-09-28 | Philipp Sinn | Wave energy power plant |
| CN202883224U (en) * | 2012-10-15 | 2013-04-17 | 河海大学 | Dual-purpose wave-activated generator using inertia difference |
| CN204200463U (en) * | 2014-09-24 | 2015-03-11 | 无锡津天阳激光电子有限公司 | A kind of lifting posture ocean wave generator of movable base |
-
2019
- 2019-06-27 CN CN201910573113.3A patent/CN110439735B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008097116A2 (en) * | 2007-02-05 | 2008-08-14 | Albuquerque Jose Manuel Braga | A submerged waterproof wave energy converter with gyroscope power- take-off |
| US20100264658A1 (en) * | 2009-04-20 | 2010-10-21 | Manuel Torres Martinez | Power station on a submerged floating platform |
| EP2369170A1 (en) * | 2010-03-24 | 2011-09-28 | Philipp Sinn | Wave energy power plant |
| CN202883224U (en) * | 2012-10-15 | 2013-04-17 | 河海大学 | Dual-purpose wave-activated generator using inertia difference |
| CN204200463U (en) * | 2014-09-24 | 2015-03-11 | 无锡津天阳激光电子有限公司 | A kind of lifting posture ocean wave generator of movable base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110439735B (en) | 2020-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8134281B2 (en) | Electrical generators for use in unmoored buoys and the like platforms with low-frequency and time-varying oscillatory motions | |
| JP5497781B2 (en) | A system that generates energy through the movement of waves | |
| US9322388B2 (en) | Natural-frequency adjusting mechanism for wave-power generator | |
| JP4713476B2 (en) | Wind turbine used offshore | |
| JP2013532801A (en) | A system that generates energy through wave motion | |
| US8915078B2 (en) | System for producing energy through the action of waves | |
| JP5495117B2 (en) | Wave power generator, wave power generation method | |
| US6914345B2 (en) | Power generation | |
| KR20190067796A (en) | Wave energy converter | |
| CN103291546B (en) | Offshore floating type wind generator controlled by tuned liquid column damper | |
| US9976535B2 (en) | System for producing energy through the action of waves | |
| CN102979660A (en) | Vortex-induced vibration and lift force hybrid type flow power generating device | |
| CN110439735A (en) | A kind of vibrator type wave energy generating set | |
| Enferad et al. | Ocean’s Renewable Power and Review of Technologies: Case Study Waves | |
| Rastegar et al. | Novel two-stage piezoelectric-based electrical energy generators for low and variable speed rotary machinery | |
| JP3218462B2 (en) | Wave energy conversion device | |
| CN109209803A (en) | A kind of power generator using ship oscillation energy | |
| CN202250578U (en) | Resonant wave power generation device | |
| CN102287315B (en) | Resonant type wave power generating device | |
| JP2018040342A (en) | Pendulum type wave power generation device using no caisson | |
| KR20140040718A (en) | Apparatus and method for converting movement into energy | |
| Rastegar et al. | Novel Two-Stage Electrical Energy Generators for Highly-Variable and Low-Speed Linear or Rotary Input Motions | |
| JPH05502708A (en) | Methods and wave power generation devices for converting wave energy | |
| Murray et al. | Novel Two-Stage Electrical Energy Generators for Highly-Variable and Low-Speed Linear or Rotary Input Motions | |
| Pierce et al. | Energy extraction from Incident Ocean Waves by Heaving and Flexing Mechanical Systems |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230718 Address after: No. 5009, 5th floor podium, No. 69 Zizhuyuan Road, Haidian District, Beijing, 100000 Patentee after: Beijing Qingyun Energy Group Co.,Ltd. Address before: 524094 Room 309, 3rd floor, science and technology innovation building, marine science and technology industry innovation center, 88 Huguang express, Mazhang District, Zhanjiang City, Guangdong Province Patentee before: ZHANJIANG YUNHAI ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 2710 Beichen Times Building, No. 8 Beichen East Road, Chaoyang District, Beijing, 100000 Patentee after: Beijing Qingyun Energy Group Co.,Ltd. Address before: No. 5009, 5th floor podium, No. 69 Zizhuyuan Road, Haidian District, Beijing, 100000 Patentee before: Beijing Qingyun Energy Group Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |