CN105370479A - Water turbine system for generating electricity by using ocean energy - Google Patents
Water turbine system for generating electricity by using ocean energy Download PDFInfo
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- CN105370479A CN105370479A CN201511016787.1A CN201511016787A CN105370479A CN 105370479 A CN105370479 A CN 105370479A CN 201511016787 A CN201511016787 A CN 201511016787A CN 105370479 A CN105370479 A CN 105370479A
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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
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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
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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
- F03B15/00—Controlling
- F03B15/02—Controlling by varying liquid flow
- F03B15/04—Controlling by varying liquid flow of turbines
- F03B15/06—Regulating, i.e. acting automatically
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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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
- F03B3/183—Adjustable vanes, e.g. wicket gates
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to a water turbine system for generating electricity by using ocean energy. The water turbine system comprises a wave aggregating unit, an impounding reservoir and a water turbine, and is characterized in that according to real-scene and real-time ocean wave resource parameters, the wave aggregating unit forms a trumpet-shaped ramp of which the slope angle can expand and contract automatically, an opening in one side, communicated with an ocean, of the ramp is wide, and then the ramp contracts gradually to be communicated with the impounding reservoir through a side wall; the impounding reservoir controls an impounding unit with an outlet passage through a flow controller, and a water outlet pipe, which extends downwards and releases potential energy to push the water turbine to rotate to generate electricity, is arranged at the opening of the outlet passage; and according to the real-time flow of water flowing through the water turbine and the water head condition, the opening of a guide vane is automatically adjusted by an intelligent guide vane opening controller, so that the maximum power and the peak efficiency are outputted by the water turbine. The water turbine system realizes dynamic energy storage and stable electrical output of a wave overtopping generating set, and has the remarkable effects of high wave energy conversion rate, low requirement on a water head, long effective device work time and good stability.
Description
Technical field
The invention belongs to fluid machinery and Hydraulic and Hydro-Power Engineering equipment technical field, particularly relate to a kind of water turbine system utilizing power generation with marine energy.
Background technique
Traditional energy is about to exhausted and brings serious environmental problem, in the urgent need to finding and developing alternative novel energy.World ocean aboundresources, its Wave contains huge energy.Utilize electricity generation by sea waves, neither need fuel, simultaneously very little to environmetal impact, there is great value of exploiting and utilizing.
Chinese patent application 201320442966.1 " offshore type oscillating water column electricity generating device " discloses the offshore type oscillating water column electricity generating device that a kind of any position that can float in waters carries out generating electricity to utilize wave, under wave action, wave enters air chamber through wave import and forms the water column of up-down vibration, water column makes the gas in air chamber reciprocate through the air outlet of air chamber upper end when doing up-down vibration motion, when gas reciprocates through air outlet, drives impeller machine rotates, and turbine drive electrical generators generates electricity.This device use time flexible property good, but due to air vane conversion efficiency low, the existence of air chamber also can reduce overall plant efficiency.Simultaneously in rips situation, this device generating extremely unstable.Therefore whole device wave power conversion rate is low, and output power is little.
Chinese patent application 201320156401.7 " hydraulic type water-surface generating device " discloses a kind of vertical displacement utilizing wave, and vertical wave can be converted to mechanical energy, drives the device of turbine generation, improves wave energy conversion efficiency.But because movable part is too much, complex structure, destroys very easily under the wave action, disablement, and is difficult to carry out keeping in repair and protecting.
Chinese patent application 201310316659.3 discloses one " more unrestrained formula Wave energy electric generator ", comprises wave energy collecting system, power generation system and certainly opens and closes automatical control system, and the dynamic accumulation of energy and the stable electric power that the arrangement achieves more wave type electricity generating device export.But because the water turbine of this device requires higher to head, as there is efficiency when low water head and lower problem of exerting oneself.
In sum, the defect such as existing wave-type electric generator ubiquity wave power conversion rate is low, output power is little, poor stability, device effective time are short, how overcoming the deficiencies in the prior art has become one of emphasis difficult problem urgently to be resolved hurrily in current fluid machinery and Hydraulic and Hydro-Power Engineering equipment technical field.
Summary of the invention
The object of the invention is the deficiency for overcoming existing for prior art and a kind of water turbine system utilizing power generation with marine energy is provided, the present invention can regulate the ramp of hypertonic slope angle automatically according to the wave height of Real-Time Ocean wave on the spot and wavelength, maximized acquisition Wave energy improves the total efficiency of generator set generating, is applicable to the water turbine system of alternative existing various more type wave electric generator.
According to a kind of water turbine system utilizing power generation with marine energy that the present invention proposes, it comprises poly-ripple unit, wet pit and water turbine, it is characterized in that,
Described poly-ripple unit comprises poly-ripple plate, hinge, driving lever, motor, slope controller, horizontal shore, chute, slide block, follower lever; Described poly-ripple plate is connected with driving lever and follower lever respectively by hinge, and poly-ripple plate is positioned at above horizontal shore, and slope controller controls the gradient size of poly-ripple plate; Described driving lever is connected with motor by rotating shaft; Poly-ripple plate and horizontal shore form slope angle, and described horizontal shore side is provided with chute, and described slide block is connected with follower lever by hinge, and slide block comes and goes at the two ends, left and right of chute and slides under follower lever effect;
Described poly-ripple unit can according to ocean wave resource parameters real-time on the spot formed profile be flaring can the ramp of hypertonic slope angle automatically, the opening that this ramp is communicated with ocean is wide, then shrinks gradually and is communicated with wet pit by abutment wall;
Described wet pit comprises retaining unit, flow dontroller with outlet passage, and described flow dontroller controls the retaining unit with outlet passage; Outlet passage mouth is provided with the outlet pipe of the release potential energy promotion water turbine rotary electrification to downward-extension;
Described water turbine comprises water intake section, upper stator, runner, lower stator and water outlet section, and described upper stator is arranged between water intake section and runner, and lower stator is arranged between runner and water outlet section; Described upper stator and under lead leaf divergence size and controlled by intelligent guide vane opening controller, this intelligent guide vane opening controller through the flowrate and delivery head situation of water turbine according to real-time streams, automatically regulates guide vane opening, makes water turbine Maximum Power Output and peak efficiency.
The principle that realizes of the present invention is: the present invention uses the synergy of poly-ripple unit, wet pit and water turbine to gather ocean energy, and whole system implements the automatic control to poly-ripple and accumulation of energy.Described poly-ripple unit can regulate the ramp of hypertonic slope angle automatically according to the wave height of Real-Time Ocean wave on the spot and wavelength, maximized acquisition Wave energy, ocean wave wave height in the ramp narrowed gradually is constantly exaggerated, until crest overflows across abutment wall, ocean energy is converted to potential energy and be stored in high-order wet pit; The outlet passage of described wet pit is provided with the outlet pipe of the release potential energy promotion water turbine rotary electrification to downward-extension, the seawater flowed out by this outlet pipe to converge at the upper stator of water turbine through hydroturbine water intake mouth section and enters the runner envelope of water turbine, water impact runner bucket, water turbine output shaft is driven to rotate by runner bucket switching energy, it is the generating of water turbine kinetic energy drive electrical generators by the potential energy converting and energy in wet pit, current, again through lower stator, flow to sea by water outlet section; Sealing Surface and the unit rotary centerline of the stator formation of described water turbine are unsettled cross-distribution, and owing to adopting bilateral stator and bending draft tube, the total efficiency that generator set is generated electricity significantly improves.
The present invention compared with prior art its remarkable advantage is:
One is the water turbine system utilizing power generation with marine energy that the present invention proposes, the synergy of poly-ripple unit, wet pit and water turbine can be given full play to, having initiated poly-ripple unit can regulate the ramp of hypertonic slope angle to gather ocean energy according to the wave height of Real-Time Ocean wave on the spot and wavelength automatically, and the total efficiency of subsequent power generation unit generation is significantly improved.
Two are runners of described water outlet section is elliptic cross-section, and the minor axis of water outlet section distalmost end elliptic cross-section is golden section with the ratio of major axis; From the minor axis of distalmost end ellipse and the ratio linear increment of major axis, 1 is changed at the cross-section minor axis at lower stator rear and the ratio of major axis, namely reverse circular cross-section is changed into by elliptic cross-section, greatly reduce three-dimensional modeling and manufacture difficulty, thus ensure that current are level and smooth in oval runner, smooth and easy and flowing is symmetrical, also make the overall generating efficiency of unit improve further.
Three are turbine blade diameters provided by the invention is 0.8m, and the scope of being applicable to is the head of 1m ~ 2.5m, and mean overtopping discharge is 1m ~ 2.5m.It solve existing apparatus Applicable scope little, function singleness, the problem of inefficiency.
Four is the dynamic accumulation of energy and the output of stable electric power that present invention achieves more wave type electricity generating device, have that wave power conversion rate is high, low to head requirement, the remarkable result such as the long and good stability of system production time, be applicable to the water turbine of alternative existing various more type wave electric generator.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Fig. 2 is a kind of poly-ripple unit limit position A structural representation utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Fig. 3 is a kind of poly-ripple unit limit position B structural representation utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Fig. 4 is a kind of flow control structure schematic diagram utilizing the retaining unit of the water turbine system of power generation with marine energy that the present invention proposes.
Fig. 5 is a kind of structural representation utilizing the retaining unit of the water turbine system of power generation with marine energy that the present invention proposes
Fig. 6 is a kind of hydraulic turbine structure schematic diagram utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Fig. 7 is stator schematic diagram on a kind of water turbine utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Fig. 8 is the schematic diagram of stator intermediate cross-section molded line on a kind of water turbine utilizing the water turbine system of power generation with marine energy that the present invention proposes.
What Fig. 9 was that the present invention proposes a kind ofly utilizes stator schematic diagram under the water turbine of the water turbine system of power generation with marine energy.
A kind of schematic diagram utilizing stator intermediate cross-section molded line under the water turbine of the water turbine system of power generation with marine energy that Figure 10 is that the present invention proposes.
Figure 11 is a kind of rotary wheel of water turbine schematic diagram utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Figure 12 is a kind of rotary wheel of water turbine radial 125mm place molded line schematic diagram utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Figure 13 is a kind of rotary wheel of water turbine radial 175mm place molded line schematic diagram utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Figure 14 is a kind of rotary wheel of water turbine radial 225mm place molded line schematic diagram utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Figure 15 is a kind of rotary wheel of water turbine radial 275mm place molded line schematic diagram utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Figure 16 is a kind of water turbine outlet passage schematic diagram utilizing the water turbine system of power generation with marine energy that the present invention proposes.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Composition graphs 1, a kind of water turbine system utilizing power generation with marine energy, it comprises poly-ripple unit (2), wet pit (3) and water turbine (4), wherein:
Composition graphs 2 and Fig. 3, described poly-ripple unit (2) comprises poly-ripple plate (2-1), hinge (2-2), driving lever (2-3), motor (2-4), slope controller (5), horizontal shore (2-6), chute (2-7), slide block (2-8), follower lever (2-9); Described poly-ripple plate (2-1) is connected with driving lever (2-3) and follower lever (2-9) respectively by hinge (2-2), poly-ripple plate (2-1) is positioned at horizontal shore (2-6) top, and slope controller (5) controls the gradient size of poly-ripple plate (2-1); Described driving lever (2-3) is connected with motor (2-4) by rotating shaft; Poly-ripple plate (2-1) forms slope angle with horizontal shore (2-6), described horizontal shore (2-6) side is provided with chute (2-7), described slide block (2-8) is connected with follower lever (2-9) by hinge (2-2), and slide block (2-8) comes and goes at the two ends, left and right of chute (2-7) and slides under follower lever (2-9) effect; Described poly-ripple unit (2) can according to ocean wave (1) resource parameters real-time on the spot formed profile be flaring can the ramp of hypertonic slope angle automatically, the opening that this ramp is communicated with ocean is wide, then shrinks gradually and is communicated with wet pit (3) by abutment wall (9);
Composition graphs 4 and Fig. 5, described wet pit (3) comprises retaining unit, flow dontroller (6) with outlet passage, and described flow dontroller (6) controls the retaining unit with outlet passage; Outlet passage mouth is provided with the outlet pipe (10) of release potential energy promotion water turbine (4) rotary electrification to downward-extension;
Composition graphs 6, described water turbine (4) comprises water intake section (4-1), upper stator (4-2), runner (4-3), lower stator (4-4) and water outlet section (4-5), described upper stator (4-2) is arranged between water intake section (4-1) and runner (4-3), and lower stator (4-4) is arranged between runner (4-3) and water outlet section (4-5); The aperture size of described upper stator (4-2) and lower stator (4-4) is controlled by intelligent guide vane opening controller (7), this intelligent guide vane opening controller (7) is according to the flowrate and delivery head situation of real-time streams through water turbine, automatic adjustment guide vane opening, makes water turbine Maximum Power Output and peak efficiency.
A kind of further preferred version of the water turbine system of power generation with marine energy that utilizes that the present invention proposes is:
Described slope controller (5) comprises power supply and motor control unit, and described motor control unit controls motor (2-4) start-stop and positive and reverse steering according to two limit positions of poly-ripple plate (2-1).
The left and right sides end points of described chute (2-7) overlaps with the Derivative limit on the left or on the right end points of slide block (2-8) movement locus.
Described wet pit comprises retaining unit with outlet passage and flow dontroller, and described flow dontroller controls the retaining unit with outlet passage.
In conjunction with Figure 16, described outlet passage is elliptic cross-section, the minor axis of outlet passage distalmost end elliptic cross-section is golden section with the ratio of major axis, namely linearly increase progressively from the minor axis of outlet passage distalmost end elliptic cross-section and the ratio of major axis, change 1 to outlet passage most proximal end elliptic cross-section minor axis into the ratio of major axis, namely outlet passage most proximal end elliptic cross-section changes reverse circular cross-section into.
Composition graphs 7 and Fig. 8, Sealing Surface and the unit rotary centerline of the stator formation of described water turbine (4) are unsettled cross-distribution, wherein go up the coordinate parameters of 20 points in rectangular coordinate system on the molded line of stator (4-2) intermediate cross-section as shown in table 1:
Table 1
| Sequence number | X | Y | Sequence number | X | Y |
| 101 | -115.0645 | 172.5781 | 111 | -94.4827 | 148.0646 |
| 102 | -85.7159 | 186.7123 | 112 | -64.9359 | 161.7898 |
| 103 | -56.3673 | 200.8465 | 113 | -35.7856 | 176.3331 |
| 104 | -28.1037 | 217.0361 | 114 | -8.3024 | 193.74705 |
| 105 | -1.4009 | 235.6744 | 115 | 19.1808 | 211.161 |
| 106 | 23.1264 | 257.096 | 116 | 43.7081 | 232.5826 |
| 107 | 45.6266 | 280.6463 | 117 | 66.2084 | 256.1328 |
| 108 | 66.5398 | 305.6221 | 118 | 87.1215 | 281.1087 |
| 109 | 86.3829 | 331.4596 | 119 | 106.9647 | 306.9462 |
| 110 | 105.6908 | 357.7009 | 120 | 126.2725 | 333.1875 |
Upper stator upper surface curvilinear equation after matching is:
Y=-1.842 × 10
-10x
5-5.923 × 10
-8x
4+ 7.203 × 10
-6x
3+ 0.003403x
2+ 0.7965x+236.8, the upper stator lower surface curvilinear equation after matching is:
y＝-5.693×10
-10x
5+5.686×10
-9x
4+1.573×10
-5x
3+0.002316x
2+0.6587x+198.2。
Composition graphs 9 and Figure 10, on the molded line of described lower stator (4-4) intermediate cross-section, the coordinate parameters of 20 points in rectangular coordinate system is as shown in table 2:
Table 2
Lower stator upper surface curvilinear equation after matching is:
y＝-155.7735，
Lower stator lower surface curvilinear equation after matching is:
y＝-118.8231。
In conjunction with Figure 11, Figure 12, Figure 13, Figure 14 and Figure 15, described runner (4-3) circumferentially evenly arranges blade, the shape of described blade is spatial warping type, and the coordinate parameters of aerofoil profile molded line curve top, radial different distance cross section branch represents as follows:
Apart from unit rotary centerline, radial 125mm place is as shown in table 3:
Table 3
Runner upper surface curvilinear equation after matching is:
y＝5.082×10
-10x
5+1.445×10
-7x
4+8.014×10
-6x
3-0.001727x
2-0.7459x-50.79,
Runner lower surface curvilinear equation after matching is:
y＝-1.011×10
-9x
5-2.158×10
-7x
4+1.439×10
-5x
3+0.004048x
2-0.5859x-112.7；
Apart from unit rotary centerline, radial 175mm place is as shown in table 4:
Table 4
| Sequence number | X | Y | Sequence number | X | Y |
| 401 | -236.9729 | 23.0195 | 411 | -232.5395 | -3.5668 |
| 402 | -195.5651 | 20.3649 | 412 | -195.4656 | -21.1661 |
| 403 | -154.0755 | 11.56 | 413 | -156.8853 | -37.8249 |
| 404 | -113.7086 | -1.4603 | 414 | -118.5486 | -55.0372 |
| 405 | -74.6421 | -17.9966 | 415 | -80.193 | -72.2041 |
| 406 | -36.8231 | -37.2263 | 416 | -41.2346 | -87.9452 |
| 407 | 0.1999 | -57.9568 | 417 | -1.2384 | -100.8 |
| 408 | 37.7879 | -77.6164 | 418 | 39.087 | -112.61 |
| 409 | 76.861 | -94.1408 | 419 | 79.0774 | -125.5228 |
| 410 | 116.9541 | -108.014 | 420 | 119.4639 | -137.1238 |
Runner upper surface curvilinear equation after matching is:
y＝-2.617×10
-11x
5-9.032×10
-10x
4+5.938×10
-6x
3+0.0002771x
2-0.5377x-57.54；
Runner lower surface curvilinear equation after matching is:
y＝-1.858×10
-11x
5-1.183×10
-8x
4-1.23×10
-6x
3+0.0005397x
2-0.3228x-101.5；
Apart from unit rotary centerline, radial 225mm place is as shown in table 5:
Table 5
Runner upper surface curvilinear equation after matching is:
y＝5.38×10
-12x
5+5.551×10
-9x
4+2.024×10
-6x
3-0.0001994x
2-0.3611x-53.34；
Runner lower surface curvilinear equation after matching is:
y＝-4.102×10
-11x
5-1.145×10
-8x
4+1.631×10
-6x
3+0.0005829x
2-0.2869x-97.57；
Apart from unit rotary centerline, radial 275mm place is as shown in table 6:
Table 6
| Sequence number | X | Y | Sequence number | X | Y |
| 601 | -276.2578 | 0.3066 | 611 | -272.5231 | -26.3515 |
| 602 | -226.7491 | -4.48 | 612 | -225.7469 | -43.2832 |
| 603 | -177.7593 | -14.5881 | 613 | -177.432 | -56.2353 |
| 604 | -129.1873 | -26.582 | 614 | -128.4556 | -66.4304 |
| 605 | -80.5228 | -38.1915 | 615 | -79.2595 | -75.5288 |
| 606 | -31.616 | -48.7358 | 616 | -30.167 | -85.1666 |
| 607 | 17.2657 | -59.3872 | 617 | 18.8229 | -95.3162 |
| 608 | 65.8477 | -71.3408 | 618 | 67.8768 | -105.1407 |
| 609 | 114.5413 | -82.8277 | 619 | 117.1725 | -113.6772 |
| 610 | 163.5694 | -92.7798 | 620 | 166.6023 | -121.3844 |
Runner upper surface curvilinear equation after matching is:
y＝2.709×10
-11x
5+4.885×10
-9x
4-8.872×10
-7x
3-0.0001219x
2-0.2235x-55.74；
Runner lower surface curvilinear equation after matching is:
y＝-6.485×10
-12x
5+2.76×10
-9x
4+6.504×10
-7x
3-2.27×10
-5x
2-0.2017x-91.38。
The explanation do not related in the specific embodiment of the present invention belongs to technology well known in the art, can be implemented with reference to known technology.
The present invention, through validation trial, achieves satisfied trial effect.
Above embodiment and embodiment are a kind of concrete supports utilizing the water turbine systems technology thought of power generation with marine energy proposed the present invention; protection scope of the present invention can not be limited with this; every technological thought proposed according to the present invention; any equivalent variations that the technical program basis is done or the change of equivalence, all still belong to the scope of technical solution of the present invention protection.
Claims (8)
1. utilize a water turbine system for power generation with marine energy, it comprises poly-ripple unit (2), wet pit (3) and water turbine (4), it is characterized in that,
Described poly-ripple unit (2) comprises poly-ripple plate (2-1), hinge (2-2), driving lever (2-3), motor (2-4), slope controller (5), horizontal shore (2-6), chute (2-7), slide block (2-8), follower lever (2-9); Described poly-ripple plate (2-1) is connected with driving lever (2-3) and follower lever (2-9) respectively by hinge (2-2), poly-ripple plate (2-1) is positioned at horizontal shore (2-6) top, and slope controller (5) controls the gradient size of poly-ripple plate (2-1); Described driving lever (2-3) is connected with motor (2-4) by rotating shaft; Poly-ripple plate (2-1) forms slope angle with horizontal shore (2-6), described horizontal shore (2-6) side is provided with chute (2-7), described slide block (2-8) is connected with follower lever (2-9) by hinge (2-2), and slide block (2-8) comes and goes at the two ends, left and right of chute (2-7) and slides under follower lever (2-9) effect;
Described poly-ripple unit (2) can according to ocean wave (1) resource parameters real-time on the spot formed profile be flaring can the ramp of hypertonic slope angle automatically, the opening that this ramp is communicated with ocean is wide, then shrinks gradually and is communicated with wet pit (3) by abutment wall (9);
Described wet pit (3) comprises retaining unit, flow dontroller (6) with outlet passage, and described flow dontroller (6) controls the retaining unit with outlet passage; Outlet passage mouth is provided with the outlet pipe (10) of release potential energy promotion water turbine (4) rotary electrification to downward-extension;
Described water turbine (4) comprises water intake section (4-1), upper stator (4-2), runner (4-3), lower stator (4-4) and water outlet section (4-5), described upper stator (4-2) is arranged between water intake section (4-1) and runner (4-3), and lower stator (4-4) is arranged between runner (4-3) and water outlet section (4-5); The aperture size of described upper stator (4-2) and lower stator (4-4) is controlled by intelligent guide vane opening controller (7), this intelligent guide vane opening controller (7) is according to the flowrate and delivery head situation of real-time streams through water turbine, automatic adjustment guide vane opening, makes water turbine Maximum Power Output and peak efficiency.
2. a kind of water turbine system utilizing power generation with marine energy according to claim 1, it is characterized in that, described slope controller (5) comprises power supply and motor control unit, and described motor control unit controls motor (2-4) start-stop and positive and reverse steering according to two limit positions of poly-ripple plate (2-1).
3. a kind of water turbine system utilizing power generation with marine energy according to claim 1, is characterized in that, the left and right sides end points of described chute (2-7) overlaps with the Derivative limit on the left or on the right end points of slide block (2-8) movement locus.
4. a kind of water turbine system utilizing power generation with marine energy according to claim 1, is characterized in that, described wet pit comprises retaining unit with outlet passage and flow dontroller, and described flow dontroller controls the retaining unit with outlet passage.
5. a kind of water turbine system utilizing power generation with marine energy according to claim 4, it is characterized in that, described outlet passage is elliptic cross-section, the minor axis of outlet passage distalmost end elliptic cross-section is golden section with the ratio of major axis, namely linearly increase progressively from the minor axis of outlet passage distalmost end elliptic cross-section and the ratio of major axis, change 1 to outlet passage most proximal end elliptic cross-section minor axis into the ratio of major axis, namely outlet passage most proximal end elliptic cross-section changes reverse circular cross-section into.
6. a kind of water turbine system utilizing power generation with marine energy according to claim 1, it is characterized in that, Sealing Surface and the unit rotary centerline of the stator formation of described water turbine (4) are unsettled cross-distribution, wherein go up the coordinate parameters of 20 points in rectangular coordinate system on the molded line of stator (4-2) intermediate cross-section as shown in table 1:
Table 1
Upper stator upper surface curvilinear equation after matching is:
y＝-1.842×10
-10x
5-5.923×10
-8x
4+7.203×10
-6x
3+0.003403x
2+0.7965x+236.8,
Upper stator lower surface curvilinear equation after matching is:
y＝-5.693×10
-10x
5+5.686×10
-9x
4+1.573×10
-5x
3+0.002316x
2+0.6587x+198.2。
7. a kind of water turbine system utilizing power generation with marine energy according to claim 1, is characterized in that, on the molded line of described lower stator (4-4) intermediate cross-section, the coordinate parameters of 20 points in rectangular coordinate system is as shown in table 2:
Table 2
Lower stator upper surface curvilinear equation after matching is:
y＝-155.7735，
Lower stator lower surface curvilinear equation after matching is:
y＝-118.8231。
8. a kind of water turbine system utilizing power generation with marine energy according to claim 1, it is characterized in that, described runner (4-3) circumferentially evenly arranges blade, the shape of described blade is spatial warping type, and the coordinate parameters of aerofoil profile molded line curve top, radial different distance cross section branch represents as follows:
Apart from unit rotary centerline, radial 125mm place is as shown in table 3:
Table 3
Runner upper surface curvilinear equation after matching is:
y＝5.082×10
-10x
5+1.445×10
-7x
4+8.014×10
-6x
3-0.001727x
2-0.7459x-50.79,
Runner lower surface curvilinear equation after matching is:
y＝-1.011×10
-9x
5-2.158×10
-7x
4+1.439×10
-5x
3+0.004048x
2-0.5859x-112.7；
Apart from unit rotary centerline, radial 175mm place is as shown in table 4:
Table 4
Runner upper surface curvilinear equation after matching is:
y＝-2.617×10
-11x
5-9.032×10
-10x
4+5.938×10
-6x
3+0.0002771x
2-0.5377x-57.54；
Runner lower surface curvilinear equation after matching is:
y＝-1.858×10
-11x
5-1.183×10
-8x
4-1.23×10
-6x
3+0.0005397x
2-0.3228x-101.5；
Apart from unit rotary centerline, radial 225mm place is as shown in table 5:
Table 5
Runner upper surface curvilinear equation after matching is:
y＝5.38×10
-12x
5+5.551×10
-9x
4+2.024×10
-6x
3-0.0001994x
2-0.3611x-53.34；
Runner lower surface curvilinear equation after matching is:
y＝-4.102×10
-11x
5-1.145×10
-8x
4+1.631×10
-6x
3+0.0005829x
2-0.2869x-97.57；
Apart from unit rotary centerline, radial 275mm place is as shown in table 6:
Table 6
Runner upper surface curvilinear equation after matching is:
y＝2.709×10
-11x
5+4.885×10
-9x
4-8.872×10
-7x
3-0.0001219x
2-0.2235x-55.74；
Runner lower surface curvilinear equation after matching is:
y＝-6.485×10
-12x
5+2.76×10
-9x
4+6.504×10
-7x
3-2.27×10
-5x
2-0.2017x-91.38。
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| CN110578647A (en) * | 2019-10-12 | 2019-12-17 | 浙江海洋大学 | Ocean energy comprehensive utilization system |
| CN114017247A (en) * | 2021-11-15 | 2022-02-08 | 邢志国 | Floating device for buoyancy power generation of new energy |
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| CN105370479B (en) | 2017-11-17 |
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