CN203515951U - Lifting type vibrating hydrofoil tidal current energy capturing power generating device - Google Patents
Lifting type vibrating hydrofoil tidal current energy capturing power generating device Download PDFInfo
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- CN203515951U CN203515951U CN201320628030.8U CN201320628030U CN203515951U CN 203515951 U CN203515951 U CN 203515951U CN 201320628030 U CN201320628030 U CN 201320628030U CN 203515951 U CN203515951 U CN 203515951U
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- hydrofoil
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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
The utility model discloses a lifting type vibrating hydrofoil tidal current energy capturing power generating device. The device comprises a working platform and a hydrofoil, a support connected with the working platform is arranged at the top of the working platform, the two ends of the hydrofoil are arranged on a hydrofoil supporting frame which can slide along the support in the vertical direction in a reciprocating mode, a buoyancy tank is arranged on the lateral face of the hydrofoil supporting frame, a hydrofoil position adjusting system is arranged between the buoyancy tank and the hydrofoil supporting frame, the hydrofoil is connected with a hydraulic type energy converting system, and the hydraulic type energy converting system can transmits converted energy to a generator. According to the lifting type vibrating hydrofoil tidal current energy capturing power generating device, a unit can be arranged in a relative shallow water area, and the number of the hydrofoil can be adjusted according to water depth. High energy capturing efficiency can be obtained in the working conditions of high flow speed and low flow speed. The power generating device is simple, reliable and stable in structure, can achieve automatic and self-maintaining vibration under the effect of fluid, and therefore has wide predicted application prospects.
Description
Technical field
The utility model relates to and is a kind ofly applicable to catch tide (sea) stream and can be used for the device generating electricity, and belong to mechanical manufacturing field.
Background technique
The energy is human survival and the fundamental of being engaged in activities, make a general survey of the development of society, the mankind's development is increasing to the dependence of the energy, be accompanied by a large amount of uses of fossil energy, environmental pollution is more and more serious, in order to reduce the dependence of the national economic development to fossil fuel, under the policy guide of national governments, the development and application of renewable energy utilization equipment has obtained increasing fast.Tide (sea) stream can be subject to the attention of country and provincial planning department.
The water flow dynamic energy generation technology research starting of countries in the world is all more late, but development rapidly nearly ten years.Compare with the renewable energy power generation technology of other moulding, tide (sea) stream can electricity generating device still in prototype development phase and commercial applications stage on a small scale, tide (sea) stream can power generating equipment only possesses that reliable operation in phase life of equipment, energy capture efficiency are high, stable output power be convenient to grid-connected, mounting zone water flow dynamic energy reserves are large and the high just commercialization on a large scale of energy density.
It is with the obvious advantage that rise-fall type vibration hydrofoil is caught marine tidal-current energy generation technology shallow sea, is particularly suitable for being arranged on riverbed, the shallow sea water such as coastwise.Generally, under same depth sea situation, the sweeping area of the vibration wing is 3 times of left and right of horizontal axis impeller sweeping area, and China has wide abundant shallow sea tide (sea) stream can resource, but rise-fall type vibration hydrofoil is caught marine tidal-current energy generation technology and not yet made progress.
Model utility (application number: the design proposal 201180050115.6) proposing is that two hydrofoil couplings swing transmitting energy system, and the hydrofoil in this scheme must be done complete quasi sine sink-float-pitching coupled motions, and system could be exported rotation function.When incoming flow flow velocity is lower, incoming flow gravity instantaneous when unstable, hydrofoil sink-float system is while being more than or equal to buoyancy and lift, system may occur completing complete quasi sine sink-float-pitching coupled motions, and the stuck situation a position; In addition, it is 90 degree that this scheme requires two hydrofoil pitching phase differences, in fact serious owing to revealing in oscillating oil cylinder, long-time running, and inevitable pitching amplitude departs from 90 degree, thereby causes thrashing.In the utility model, the elevating movement of hydrofoil and pitching movement be separate, and system does not need complete lifting-pitching movement can obtain stable rotation function output; In system, be provided with buoyancy tank, can eliminate the harmful effect not etc. of the gravity of hydrofoil sink-float system and buoyancy; System architecture is simple and reliable, and long-time running is stable, is difficult for losing efficacy.
Model utility content
The deficiency that the utility model exists for existing marine tidal-current energy generation technology, provides the electricity generating device of catching marine tidal-current energy of simple in structure, good reliability, good stability.This electricity generating device can be arranged unit in relatively shallow waters, unit generated output is not limited by the depth of water, and reliable operation in phase life of equipment, energy capture efficiency are high, stable output power is convenient to grid-connectedly, are convenient to large-scale commercial operation.
Rise-fall type vibration hydrofoil of the present utility model is caught tidal current energy generating equipment by the following technical solutions:
Rise-fall type vibration hydrofoil is caught tidal current energy generating equipment, comprise a working platform and water Ji, described working platform top is provided with a connected support, the two ends of described hydrofoil are arranged on and can slidably reciprocate in the vertical direction on hydrofoil supporting frame along support, and the side of hydrofoil supporting frame is provided with buoyancy tank, between described water tank and hydrofoil supporting frame, hydrofoil location regulating system is installed, described hydrofoil is connected with hydraulic type Conversion of Energy system, and described hydraulic type Conversion of Energy system sends to generator by the energy after transforming.
On described hydrofoil supporting frame, pulley is installed, described pulley can slide up and down along rack-mount guide rail I, and described hydrofoil supporting frame is connected with support by the oil hydraulic cylinder in hydraulic type Conversion of Energy system.
Described hydrofoil supporting frame comprises hydrofoil back shaft, and the two ends of described back shaft are fixed with bearing, and bearing is used for locating hydrofoil.
Described hydrofoil location regulating system is crank block spring system, it comprises crank, connecting rod, slide block, spring, guide rail II, described crank one end and hydrofoil back shaft are fixed together, the other end of crank is connected with connecting rod, connecting rod is connected with the slide block that can slide up and down on guide rail II again, spring is equipped with in the position that is positioned at slide block two ends on described guide rail II vertical direction, and guide rails assembling is on support.This crank block spring system can be converted into the swing of hydrofoil the movement of slide block, and power is delivered on spring, and device can be realized self-starting, self-sustained oscillation under flow-induced.
Described hydrofoil is the symmetrical wing of hollow structure, the mean chord strong point that it is 0.5-0.7 times that the back shaft of hydrofoil is arranged on apart from hydrofoil leading edge.
Described hydraulic type Conversion of Energy system, comprise oil hydraulic cylinder, one-way valve I, one-way valve II, one-way valve III, one-way valve IV, high pressure accumulator, low pressure accumulator, oil hydraulic motor, two mouths of described oil hydraulic cylinder be cascaded with two respectively and various flows to one-way valve be connected, wherein one-way valve I, one-way valve IV flow to identically, and be connected with oil hydraulic motor entrance with high pressure accumulator; To valve II, one-way valve III, flow to identical and export and be connected with oil hydraulic motor with low pressure accumulator; And one-way valve I, one-way valve IV flow to contrary with one-way valve II, one-way valve III, described one-way valve II, the output terminal of one-way valve III are connected with oil hydraulic motor after connecting a low pressure accumulator, described one-way valve I, the output terminal of one-way valve IV are connected with oil hydraulic motor after connecting a high pressure accumulator, and oil hydraulic motor is connected with generator.The flexible of oil hydraulic cylinder do not affect turning to of oil hydraulic motor, and accumulator is housed in loop, can absorption portion pulsating quantity, and oil hydraulic motor is rotated steadily, reduce the impact to electrical network.
The beneficial effects of the utility model are:
In the utility model, the elevating movement of hydrofoil and pitching movement are separate, system does not need complete lifting-pitching movement can obtain stable rotation function output, in system, be provided with buoyancy tank, can eliminate the harmful effect not etc. of the gravity of hydrofoil sink-float system and buoyancy.
This tidal current energy generating equipment can be arranged unit in relatively shallow waters, can adjust hydrofoil quantity according to water depth, under high flow rate, low flow velocity operating mode, can obtain higher energy capture efficiency, simple and reliable for structure stable, can under fluid effect, realize self-starting, self-sustained oscillation, therefore expection has a extensive future.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model;
Fig. 2 is part-structure schematic diagram of the present utility model (concealing the structure after a side buoyancy tank);
Fig. 3 is hydraulic energy conversion system principle schematic of the present utility model (simplification);
In figure, 1, hydrofoil, 2, buoyancy tank, 3, hydrofoil supporting frame, 4.1, crank, 4.2, connecting rod, 4.3, slide block, 4.4, spring, 4.5, guide rail II, 5, pulley, 6, guide rail I, 7, support, 8, hydraulic type Conversion of Energy system, 8.1, oil hydraulic cylinder, 8.2, one-way valve I, 8.3, one-way valve II, 8.4, one-way valve III, 8.5, one-way valve IV, 8.6, high pressure accumulator, 8.7, low pressure accumulator, 8.8, oil hydraulic motor, 9, generator, 10, working platform.
Embodiment
Below in conjunction with accompanying drawing, rise-fall type vibration hydrofoil of the present utility model being caught to tidal current energy generating equipment embodiment is described in detail below:
As shown in accompanying drawing 1, Fig. 2, Fig. 3, rise-fall type vibration hydrofoil of the present utility model is caught tidal current energy generating equipment, and it comprises hydrofoil 1, buoyancy tank 2, hydrofoil supporting frame 3, hydrofoil location regulating system, pulley 5, guide rail I6, support 7, hydraulic type Conversion of Energy system 8, generator 9, working platform 10 etc.Hydrofoil 1, buoyancy tank 2 is arranged on hydrofoil supporting frame 3, hydrofoil location regulating system is arranged on buoyancy tank 2 inside, pulley 5 is installed on hydrofoil supporting frame 3, pulley 5 can move along guide rail I6, guide rail 6 is arranged on support 7, hydrofoil supporting frame 3 is connected with support 7 by the oil hydraulic cylinder 8.1 in hydraulic type Conversion of Energy system 8, hydraulic type Conversion of Energy system 8 comprises oil hydraulic cylinder 8.1, one-way valve I8.2, one-way valve II8.3, one-way valve III8.4, one-way valve IV 8.5, high pressure accumulator 8.6, low pressure accumulator 8.7, oil hydraulic motor 8.8 primary components such as grade, oil hydraulic motor 8.8 is connected with generator 9, support 7 is arranged on working platform 10.Hydrofoil location regulating system is comprised of primary components such as crank 4.1, connecting rod 4.2, slide block 4.3, spring 4.4, guide rails 4.5, hydrofoil 1 back shaft and crank 4.1 are fixed together, and crank 4.1 is positioned at the same face all the time with hydrofoil 1, one end of crank 4.1 is connected with connecting rod 4.2, the other end of connecting rod 4.2 is connected with slide block 4.3, slide block 4-3 can slide on guide rail 4.5, is positioned at slide block 4.3 two ends spring 4.4 is housed on guide rail 4.5, and guide rail 4.5 is arranged on hydrofoil supporting frame.The symmetrical wing that hydrofoil 1 is hollow structure, the mean chord strong point that it is 0.5-0.7 times that the back shaft of hydrofoil 1 is arranged on apart from hydrofoil leading edge.In hydraulic type Conversion of Energy system 8, two mouths of oil hydraulic cylinder 8.1 respectively with two various flows to one-way valve be connected, wherein, one-way valve I8.2, one-way valve IV8.5 flow to identical and are connected with oil hydraulic motor 8.8 entrances with high pressure accumulator 8.6, one-way valve II8.3, one-way valve III8.4 flow to identical and 8.8 outlets are connected with oil hydraulic motor with low pressure accumulator 8.7, one-way valve I8.2, one-way valve IV8.5 are contrary with one-way valve II8.3, the one-way valve III8.4 flow direction, and stretching of oil hydraulic cylinder 8.1 do not affect turning to of oil hydraulic motor 8.8.The import of oil hydraulic motor 8.8 and the two ends of outlet are parallel with safety valve group, and safety valve group can guarantee security of system stable operation.
Device under present embodiment can be realized self-starting, self-sustained oscillation under incoming flow effect, simple in structure, maintainable good, and stable output, impacts little to electrical network.
The utility model utilizes the pitching-lifting vibration of hydrofoil in incoming flow to catch marine tidal-current energy, and the rotation function that is oil hydraulic motor by lifting kinetic transformation by hydraulic type Conversion of Energy system, then is converted into electric energy, realizes and utilizes marine tidal-current energy generating.Hydrofoil location regulating system is crank block spring system, hydrofoil back shaft and crank are fixed together, one end of crank is connected with connecting rod, the other end of connecting rod is connected with slide block, and slide block can slide on guide rail, is positioned at slide block two ends spring is housed on guide rail, guide rails assembling is on hydrofoil supporting frame, this crank block spring system can be converted into the swing of hydrofoil the movement of slide block, and power is delivered on spring, and device can be realized self-starting, self-sustained oscillation under fluid effect.The utility model is applicable to being arranged on river, water channel, the shallow water along the coast, is easy to safeguard, installs and reclaims, and cost is low, and the application of expection is wide.
Claims (5)
1. rise-fall type vibration hydrofoil is caught tidal current energy generating equipment, it is characterized in that: comprise a working platform and water Ji, described working platform top is provided with a connected support, the two ends of described hydrofoil are arranged on and can slidably reciprocate in the vertical direction on hydrofoil supporting frame along support, and the side of hydrofoil supporting frame is provided with buoyancy tank, between described buoyancy tank and hydrofoil supporting frame, hydrofoil location regulating system is installed, described hydrofoil is connected with hydraulic type Conversion of Energy system, and described hydraulic type Conversion of Energy system sends to generator by the energy after transforming.
2. electricity generating device as claimed in claim 1, it is characterized in that: described hydrofoil location regulating system is crank block spring system, it comprises crank, connecting rod, slide block, spring, guide rail II, described crank one end and hydrofoil back shaft are fixed together, the other end of crank is connected with connecting rod, connecting rod is connected with the slide block that can slide up and down on guide rail II again, and spring is equipped with in the position that is positioned at slide block two ends on described guide rail II vertical direction, and guide rails assembling is on support.
3. electricity generating device as claimed in claim 1, it is characterized in that: described hydraulic type Conversion of Energy system, comprise oil hydraulic cylinder, one-way valve I, one-way valve II, one-way valve III, one-way valve IV, high pressure accumulator, low pressure accumulator, oil hydraulic motor, two mouths of described oil hydraulic cylinder be cascaded with two respectively and various flows to one-way valve be connected, wherein one-way valve I, one-way valve IV flow to identically, and be connected with oil hydraulic motor entrance with high pressure accumulator; To valve II, one-way valve III, flow to identical and export and be connected with oil hydraulic motor with low pressure accumulator; And one-way valve I, one-way valve IV flow to contrary with one-way valve II, one-way valve III, described one-way valve II, the output terminal of one-way valve III are connected with oil hydraulic motor after connecting a low pressure accumulator, described one-way valve I, the output terminal of one-way valve IV are connected with oil hydraulic motor after connecting a high pressure accumulator, and oil hydraulic motor is connected with generator.
4. electricity generating device as claimed in claim 3, it is characterized in that: on described hydrofoil supporting frame, pulley is installed, described pulley can slide up and down along rack-mount guide rail I, and described hydrofoil supporting frame is connected with support by the oil hydraulic cylinder in hydraulic type Conversion of Energy system.
5. electricity generating device as claimed in claim 1, is characterized in that: the symmetrical wing that described hydrofoil is hollow structure, the mean chord strong point that it is 0.5-0.7 times that the back shaft of hydrofoil is arranged on apart from hydrofoil leading edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320628030.8U CN203515951U (en) | 2013-10-11 | 2013-10-11 | Lifting type vibrating hydrofoil tidal current energy capturing power generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320628030.8U CN203515951U (en) | 2013-10-11 | 2013-10-11 | Lifting type vibrating hydrofoil tidal current energy capturing power generating device |
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| CN203515951U true CN203515951U (en) | 2014-04-02 |
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| CN201320628030.8U Expired - Fee Related CN203515951U (en) | 2013-10-11 | 2013-10-11 | Lifting type vibrating hydrofoil tidal current energy capturing power generating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470440A (en) * | 2013-10-11 | 2013-12-25 | 山东大学 | Power generation device using lift type oscillating hydrofoils to capture tidal current energy |
| CN109356777A (en) * | 2018-11-06 | 2019-02-19 | 哈尔滨工程大学 | A kind of wall hanging heaving float type wave energy power generation |
-
2013
- 2013-10-11 CN CN201320628030.8U patent/CN203515951U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470440A (en) * | 2013-10-11 | 2013-12-25 | 山东大学 | Power generation device using lift type oscillating hydrofoils to capture tidal current energy |
| CN109356777A (en) * | 2018-11-06 | 2019-02-19 | 哈尔滨工程大学 | A kind of wall hanging heaving float type wave energy power generation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20161011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |