CN108561265A - A kind of anti-wave power generator of sea swing type and its design method - Google Patents
A kind of anti-wave power generator of sea swing type and its design method Download PDFInfo
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- CN108561265A CN108561265A CN201810647968.1A CN201810647968A CN108561265A CN 108561265 A CN108561265 A CN 108561265A CN 201810647968 A CN201810647968 A CN 201810647968A CN 108561265 A CN108561265 A CN 108561265A
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- 238000013461 design Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 claims description 3
- 235000020188 drinking water Nutrition 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000013535 sea water Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 5
- 238000007667 floating Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- 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"
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- 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
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- 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
- F05B2220/706—Application in combination with an electrical generator
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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
-
- 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 present invention relates to a kind of anti-wave power generator of marine swing type, support element is fixed at the position between the adjacent anti-wave block of breakwater, electricity generation module is fixedly installed on support element, and electricity generation module is connect by the transmission module depended downwardly with float module；Float module includes olivary float, liquid level sensor and float-controlled drainage pump are equipped in float, float bottom is equipped with discharge outlet, and float-controlled drainage pump implements Auto-drainage according to the liquid level signal of liquid level sensor, to control the ballast water capacity in float in the range of setting；Ballast water capacity makes float module that there is the draft set, the draft to keep the intrinsic frequency of float module and sea wave same or similar.The present invention carries out variable-quality design by actively adjusting ballast water capacity, to float module, to obtain the draft of setting, the draft is made to reach identical intrinsic frequency with sea wave with float module, to realize resonance, expands wave-energy power generation efficiency.
Description
Technical field
The present invention relates to a kind of wave energy generating sets, are a kind of anti-wave power generator of marine swing type specifically.
Background technology
It is driven now mainly by the floating structure under wave action using more floating structure wave energy generating set
Electric power generation, the movement of this kind of device can be the absolute movements for vibrating floating body relative to fixed reference, can also be two
Relative motion between floating body.Wave energy is converted to the motion energy of oscillation floating body, and then driving motor rotates, to generate
Electric energy.
For example, the Chinese patent literature of Publication No. CN107524556A, a kind of new and effective float and bracing wire are disclosed
Formula power generator and electricity-generating method, but have the following problems：One, Floater Structure design causes capture capacity usage ratio low；
Two, the frequency difference between float vibration and wave is larger, leads to the less efficient of float capture wave energy；Three, generating efficiency
Low, capacity usage ratio is low.
Invention content
The object of the present invention is to provide a kind of anti-wave power generator of marine swing type, using existing breakwater, existing
Marine swing type anti-wave power generator is set between the adjacent anti-wave block of breakwater, by being set to Floater Structure, draft
Meter promotes it and captures the efficiency of energy, while by carrying out accumulation of energy design to power generator, promoting the utilization rate of capture energy.
The present invention takes following technical scheme：
A kind of anti-wave power generator of sea swing type, including electricity generation module 1, transmission module 2, float module 3, support element；
The support element is fixed at the position between the adjacent anti-wave block of breakwater, and electricity generation module 1 is fixedly installed on support element,
Electricity generation module 1 is connect by the transmission module 2 depended downwardly with float module 3；The float module 3 includes olivary floating
Son, it is in intermediate projections that the float, which has hollow cavity, shape top, intermediate to have the slowly downward gradient, protrusion around
Position have water injection hole 301；Liquid level sensor and float-controlled drainage pump are equipped in float, float bottom is equipped with discharge outlet, from
Dynamic draining pump implements Auto-drainage according to the liquid level signal of liquid level sensor, is being set to control the ballast water capacity in float
In the range of；Ballast water capacity makes float module 3 that there is the draft set, the draft to make float module 3 and sea wave
Intrinsic frequency it is same or similar.
Further, four angles of the olivary float are equipped with fairlead 302, and hawser, cable are passed through in fairlead
Rope is connect with the transmission module 2.
Further, the bottom of the float is equipped with several longitudinal baffles 303.
Further, the electricity generation module 1 is equipped with deceleration generator 104, and deceleration generator 104 passes through spring buffer knot
Structure 103 is connect with Wind spring structure 102, and Wind spring structure 102 can be by Uniaxial Compression, for storing mechanical energy；The deceleration generator
104 connect with rectifying and voltage-stabilizing module 106 and electricity storage module 105.
Further, the transmission module 2 is flexible strand.
A kind of design method of the anti-wave power generator of above-mentioned marine swing type, includes the following steps：
Relationship between S1, acquisition float module intrinsic frequency and ballast water draft：The intrinsic frequency of float module 3
Rate：In formula, K is the rigidity of structure, and m is architecture quality, and ρ is density of sea water, value 1025kg/m3, g
For acceleration of gravity, value 9.8N/kg, S are structure Area of Water Plan, VRowFor structure drainage volume；Area of Water Plan is approximately：S=
π(z0+z)2, z is draft, z0For structure floor radius；Displacement of volume is approximately：
IfThe then intrinsic frequencyAnd then obtain eating for float module 3
One-to-one relationship between water depth and intrinsic frequency；
S2, the intrinsic frequency according to the sea wave in place marine site, setting is same or similar float module it is intrinsic
Frequency；
S3,3 corresponding draft of float module is found according to the intrinsic frequency；
S4, the ability of the self-test of ballast water level and ballast water Active Drainage in float module 3 is assigned, passes through ballast water
Liquid level self-test and Active Drainage adjust and obtain the overall weight of the float module 3 of setting, to adjust and obtain floating indirectly
The setting draft of submodule 3, the setting draft reach same or similar with sea wave with required float module and consolidate
There is the draft of frequency identical.
The beneficial effects of the present invention are：
1) it is lower to solve traditional float capture energy for the olive-type float for devising the wideband response of special construction
Problem.
2) by actively adjusting ballast water capacity, variable-quality design is carried out to float module, to obtain the drinking water of setting
Depth makes the draft reach identical intrinsic frequency with sea wave with float module, to realize resonance, expands wave energy
Generating efficiency；
3) Wind spring structure accumulation of energy is designed to electricity generation module, realizes full stroke power generation storing up electricity, solution generating efficiency is low, utilizes
The low problem of rate.
4) olive-type buoy upper structure intermediate projections, surrounding have the downward gradient, reduce the kinetic damping of float,
It is allowed to move in swing type big displacement；It designs and produces various dimensions and catches energy electricity generation system：Novel full stroke stay-supported generator installs additional
Flexible gearing realizes that various dimensions capture wave energy；
5) resonance response controls：The mapping relations of float quality and the natural frequency of vibration are established, float is adjusted according to ocean wave parameter
Quality makes it resonate with wave, increases motor imagination；
6) by existing breakwater with wave-energy power generation function is ingenious combines, between adjacent breakwater
Gap forms the continuous marine anti-wave power generator of marine swing type of an entire row, and construction cost and maintenance cost are low, practical application
Value is higher；
7) because the special designing of float makes generated energy be greatly promoted.Technical indicator：The wave absorption of the present apparatus is made
With：Weaken 22% crest value；Generated energy and wave power utilization efficiency：3.8 ten thousand degree of annual electricity generating capacity, energy conversion efficiency reaches
40.8%；Compared to traditional energy, carbon emission amount is reduced：33.8 tons/year.
Description of the drawings
Fig. 1 is the photo display of breakwater on sea, and the photo is only as displaying, and purpose is for the ease of the public and patent
Understanding of the auditor to the prior art.
Fig. 2 is the overall structure diagram of the anti-wave power generator of marine swing type of the invention.
Fig. 3 is the structural schematic diagram of float module.
Fig. 4 is the structural schematic diagram at another visual angle of float module.
Fig. 5 is the side view of float module.
Fig. 6 is calculated according to Mat lab in embodiment, and one between the draft and intrinsic frequency that simulate is a pair of
The relational graph answered, in figure, ordinate is intrinsic frequency, and abscissa is draft.
Fig. 7 is the internal structure schematic diagram of electricity generation module.
In figure, 1. electricity generation modules, 2. transmission modules, 3. float modules, 4. breakwater blocks, 301. water injection holes, 302. lead cable
Hole, 303. longitudinal baffles, 101. generator casings, 102. Wind spring structures, 103. spring buffer structures, 104. deceleration generators,
105. electricity storage module, 106. rectifying and voltage-stabilizing modules, 107. mounting platforms, 108. flexible strands.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and specific examples.
Referring to Fig. 1-Fig. 7, a kind of anti-wave power generator of sea swing type, including electricity generation module 1, transmission module 2, float
Module 3, support element；The support element is fixed at the position between the adjacent anti-wave block of breakwater, fixes and sets on support element
Electricity generation module 1 is set, electricity generation module 1 is connect by the transmission module 2 depended downwardly with float module 3；The float module 3 is wrapped
Include olivary float, it is in intermediate projections that the float, which has hollow cavity, shape top, it is intermediate have around slowly to
Under the gradient, raised position have water injection hole 301；Liquid level sensor and float-controlled drainage pump, float bottom are equipped in float
Equipped with discharge outlet, float-controlled drainage pump implements Auto-drainage according to the liquid level signal of liquid level sensor, to control the pressure in float
Water carrying capacity is in the range of setting；Ballast water capacity makes float module 3 that there is the draft set, the draft to make float
Module 3 and the intrinsic frequency of sea wave are same or similar.
In this embodiment, referring to Fig. 3-5, four angles of the olivary float are equipped with fairlead 302, lead cable
Hawser, hawser is passed through to be connect with the transmission module 2 in hole.
In this embodiment, referring to Fig. 3-5, the bottom of the float is equipped with several longitudinal baffles 303.
In this embodiment, referring to Fig. 7, the electricity generation module 1 is equipped with deceleration generator 104, and deceleration generator 104 is logical
It crosses spring buffer structure 103 to connect with Wind spring structure 102, Wind spring structure 102 can be by Uniaxial Compression, for storing mechanical energy；Institute
Deceleration generator 104 is stated to connect with rectifying and voltage-stabilizing module 106 and electricity storage module 105.
In this embodiment, the transmission module 2 is flexible strand.
In this embodiment, the one-directional rotation position-limit mechanism is ratchet mechanism.
When being specifically designed to the anti-wave power generator of the sea swing type, include the following steps：
Relationship between S1, acquisition float module intrinsic frequency and ballast water draft：The intrinsic frequency of float module 3
Rate：In formula, K is the rigidity of structure, and m is architecture quality, and ρ is density of sea water, value 1025kg/m3, g
For acceleration of gravity, value 9.8N/kg, S are structure Area of Water Plan, VRowFor structure drainage volume；Area of Water Plan is approximately：S=
π(z0+z)2, z is draft, z0For structure floor radius；Displacement of volume is approximately：
IfThe then intrinsic frequencyAnd then obtain eating for float module 3
One-to-one relationship between water depth and intrinsic frequency；
S2, the intrinsic frequency according to the sea wave in place marine site, setting is same or similar float module it is intrinsic
Frequency；
S3,3 corresponding draft of float module is found according to the intrinsic frequency；
S4, the ability of the self-test of ballast water level and ballast water Active Drainage in float module 3 is assigned, passes through ballast water
Liquid level self-test and Active Drainage adjust and obtain the overall weight of the float module 3 of setting, to adjust and obtain floating indirectly
The setting draft of submodule 3, the setting draft reach same or similar with sea wave with required float module and consolidate
There is the draft of frequency identical.
The present invention devises the olive-type float of the wideband response of special construction, solve traditional float capture energy compared with
Low problem；By actively adjusting ballast water capacity, variable-quality design is carried out to float module, to obtain the drinking water of setting
Depth makes the draft reach identical intrinsic frequency with sea wave with float module, to realize resonance, expands wave energy
Generating efficiency；Wind spring structure accumulation of energy is designed to electricity generation module, realizes that full stroke generates electricity storing up electricity, solves that generating efficiency is low, utilization rate
Low problem；Olive-type buoy upper structure intermediate projections, surrounding have the downward gradient, reduce the kinetic damping of float,
It is allowed to move in swing type big displacement；It designs and produces various dimensions and catches energy electricity generation system：Novel full stroke stay-supported generator installs additional
Flexible gearing realizes that various dimensions capture wave energy；Resonance response controls：Establish the mapping of float quality and the natural frequency of vibration
Relationship adjusts float quality according to ocean wave parameter, it is made to resonate with wave, increases motor imagination；By existing breakwater
With wave-energy power generation function is ingenious combines, using the gap between adjacent breakwater, form an entire row and be continuous marine sea
The upper anti-wave power generator of swing type, construction cost and maintenance cost are low, and actual application value is higher；Because the special of float sets
Meter is so that generated energy is greatly promoted.Technical indicator：The wave absorbing function of the present apparatus：Weaken 22% crest value；Generated energy and
Wave power utilization efficiency：3.8 ten thousand degree of annual electricity generating capacity, energy conversion efficiency is up to 40.8%；Compared to traditional energy, carbon emission is reduced
Amount：33.8 tons/year.
It is the preferred embodiment of the present invention above, those of ordinary skill in the art can also carry out various on this basis
Transformation improves, under the premise of not departing from the present invention total design, these transformation or improve should all belong to the present invention claims
Within the scope of protection.
Claims (6)
1. a kind of anti-wave power generator of sea swing type, it is characterised in that：
Including electricity generation module (1), transmission module (2), float module (3), support element；
The support element is fixed at the position between the adjacent anti-wave block of breakwater, and electricity generation module is fixedly installed on support element
(1), electricity generation module (1) is connect by the transmission module (2) depended downwardly with float module (3)；
The float module (3) includes olivary float, and it is in intermediate projections that the float, which has hollow cavity, shape top,
It is intermediate that there is the slowly downward gradient, raised position to have water injection hole (301) around；Be equipped in float liquid level sensor and
Float-controlled drainage pump, float bottom are equipped with discharge outlet, and float-controlled drainage pump implements Auto-drainage according to the liquid level signal of liquid level sensor,
To control the ballast water capacity in float in the range of setting；The drinking water that ballast water capacity makes float module (3) have setting is deep
Degree, the draft keep float module (3) and the intrinsic frequency of sea wave same or similar.
2. the anti-wave power generator of sea swing type as described in claim 1, it is characterised in that：The four of the olivary float
A angle is equipped with fairlead (302), passes through hawser, hawser to be connect with the transmission module (2) in fairlead.
3. the anti-wave power generator of sea swing type as claimed in claim 2, it is characterised in that：If the bottom of the float is equipped with
Dry longitudinal baffle (303).
4. the anti-wave power generator of sea swing type as described in claim 1, it is characterised in that：The electricity generation module (1) is equipped with
Deceleration generator (104), deceleration generator (104) are connect by spring buffer structure (103) with Wind spring structure (102), wind spring
Mechanism (102) can be by Uniaxial Compression, for storing mechanical energy；The deceleration generator (104) and rectifying and voltage-stabilizing module (106) and
Electricity storage module (105) connects.
5. the anti-wave power generator of sea swing type as described in claim 1, it is characterised in that：The transmission module (2) is soft
Property rope.
6. a kind of design method of the anti-wave power generator of marine swing type described in claim 1, which is characterized in that including following
Step：
Relationship between S1, acquisition float module intrinsic frequency and ballast water draft：
The intrinsic frequency of float module (3)：In formula, K is the rigidity of structure, and m is architecture quality, and ρ is sea
Water density, value 1025kg/m3, g is acceleration of gravity, and value 9.8N/kg, S are structure Area of Water Plan, VRowFor structure drainage body
Product；
Area of Water Plan is approximately：S=π (z0+z)2, z is draft, z0For structure floor radius；Displacement of volume is approximately：
IfThe then intrinsic frequency
And then obtain the one-to-one relationship between the draft and intrinsic frequency of float module (3)；
S2, the intrinsic frequency according to the sea wave in place marine site, setting is same or the intrinsic frequency of similar float module；
S3, the corresponding draft of float module (3) is found according to the intrinsic frequency；
S4, the ability for assigning the interior ballast water level self-test of float module (3) and ballast water Active Drainage, pass through ballast water level
Self-test and Active Drainage adjust and obtain the overall weight of the float module (3) of setting, to adjust indirectly and obtain float
The setting draft of module (3), the setting draft reach same or similar with sea wave with required float module and consolidate
There is the draft of frequency identical.
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| CN201810647968.1A CN108561265A (en) | 2018-06-22 | 2018-06-22 | A kind of anti-wave power generator of sea swing type and its design method |
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| CN201810647968.1A CN108561265A (en) | 2018-06-22 | 2018-06-22 | A kind of anti-wave power generator of sea swing type and its design method |
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Cited By (5)
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| CN109209748A (en) * | 2018-11-30 | 2019-01-15 | 苏州大学 | A kind of Wave energy collecting device |
| CN109519321A (en) * | 2019-01-11 | 2019-03-26 | 哈尔滨工程大学 | A kind of floating breakwater as wave energy generating set |
| CN111120196A (en) * | 2019-11-13 | 2020-05-08 | 国网河南省电力公司驻马店供电公司 | Double-buoy direct drive type wave power generation control method |
| CN111577517A (en) * | 2020-05-15 | 2020-08-25 | 中国海洋石油集团有限公司 | Multi-body floating platform adopting wave energy to generate electricity |
| CN113431583A (en) * | 2021-06-02 | 2021-09-24 | 上海交通大学 | Dynamic blocking device and method for sediment diffusion problem caused by submarine mining |
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