CN105697224B - A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity - Google Patents

A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity Download PDF

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CN105697224B
CN105697224B CN201610070150.9A CN201610070150A CN105697224B CN 105697224 B CN105697224 B CN 105697224B CN 201610070150 A CN201610070150 A CN 201610070150A CN 105697224 B CN105697224 B CN 105697224B
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spiral vane
cone hub
spiral
hydraulic turbine
fibonacci
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CN105697224A (en
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阚阚
郑源
付士凤
何中伟
陈会向
陈荣杰
刘惠文
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Hohai University HHU
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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
    • F03B13/26—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 tide energy
    • 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
    • F03B3/04—Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
    • 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
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • 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
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/126—Rotors for essentially axial flow, e.g. for propeller turbines
    • 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
    • F05B2200/00—Mathematical features
    • F05B2200/20—Special functions
    • F05B2200/24—Special functions exponential
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Hydraulic Turbines (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The present invention relates to a kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity, including main shaft, cabinet, thrust bearing, shaft coupling, electromotor, frame, base, water guide cone, support with frame and base respectively below described cabinet；It is characterized in that, also include the spiral vane in two dimension Fibonacci helix shape, the class cone hub immersed in torrent stream, seal closure；Described electromotor is coupled with class cone hub by shaft coupling and main shaft, in main shaft and class cone hub junction, seal closure is set, cabinet afterbody on rear side of class cone hub arranges water guide cone, and described spiral vane is uniform speed rotation by thrust bearing to be uniformly set on the periphery of class cone hub along the axial gradual change of class cone hub stretching formation spatial warping shape.Present invention substantially reduces hydraulic friction collision, reduce entrance head loss, thus improve hydraulic turbine capacitation effect and solve well and make the difficult problems such as the ocean shoal of fish passes through.

Description

A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity
Technical field
The invention belongs to hydraulic turbine technical field of power generation, particularly relate to a kind of striking Poona utilizing marine tidal-current energy to generate electricity The contract spiral type hydraulic turbine.
Background technology
In the last few years, along with marine resources and maritime rights and interests are day by day concerned, the mankind were for the exploration of marine tidal-current energy Little by little heating up with exploitation, marine tidal-current energy, as the important component part of ocean energy, has predictability, power Density is big and the outstanding advantages such as energy stabilization, and exploitation receive much concern.
The exploitation of marine tidal-current energy is concentrated mainly on technical field of power generation, and tidal current energy water turbine is the conversion of its core energy Device.According to textural classification, existing tidal current energy water turbine mainly has the trunnion axis hydraulic turbine, horizontal shaft water-turbine With vibration hydrofoil, these tidal current energy water turbines cut both ways, and trunnion axis hydraulic turbine Technical comparing is ripe, and capacitation is imitated Rate is higher, but driftage loss is serious；Although horizontal shaft water-turbine simple in construction, it is easy to maintenance, but also There is self-starting problem difficult, inefficient；The research of vibration hydrofoil is started late, and is also in the exploratory stage. Meanwhile, the vibration and noise of these hydraulic turbines is big, the sea being depended on for existence the marine organisms such as Fish, siphonopods Ocean environment all has a certain degree of impact and destruction.From the point of view of the patented technology announced, also because of exist aforementioned not Cannot be introduced into the practical stage enough.
Chinese patent application 201210556394.X discloses " combined type tidal current energy vertical shaft water turbine ", should Although scheme have employed outside H type, the structure of internal S type, there is fast startability, stability preferably etc. Advantage, but because blade vertical axis is arranged so that overall efficiency is relatively low, and marine organisms are had considerable influence. Chinese patent application 201310291232.2 discloses " the marine tidal-current energy capacitation hydraulic turbine that a kind of blade posture is variable ", Arc shaped blade is arranged on main shaft by the program by on-link mode (OLM), and blade posture is variable, and stability of period is preferable, But because its structure is the most complicated, economy is poor, does not have practical value.
In sum, the deficiencies in the prior art how are overcome to become in modern water turbine technical field of power generation urgently One of emphasis difficult problem solved.
Summary of the invention
It is an object of the invention to provide one to utilize marine tidal-current energy to generate electricity for overcoming the deficiency existing for prior art The Fibonacci spiral type hydraulic turbine, the hydraulic turbine of the present invention used dexterously in two dimension Fibonacci helix Shape spiral vane, sets to be uniformly distributed along the axial gradual change of class cone hub stretching formation spatial warping shape Put and be uniform speed rotation on the periphery of class cone hub, greatly reduce hydraulic friction collision, reduce into Mouthful loss of flood peak, thus improve hydraulic turbine capacitation effect and solve well and make the ocean shoal of fish pass through A difficult problem.
A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity proposed according to the present invention, including main Axle, cabinet, thrust bearing, shaft coupling, electromotor, frame, base, water guide cone, divide below described cabinet Do not support with frame and base；It is characterized in that, also include the spiral type in two dimension Fibonacci helix shape Blade, the class cone hub immersed in torrent stream, seal closure；Described electromotor is by shaft coupling and main shaft and class Cone hub couples, and arranges seal closure in main shaft and class cone hub junction, the machine on rear side of class cone hub Case afterbody arranges water guide cone, and described spiral vane is drawn with the axial gradual change along class cone hub by thrust bearing Stretch formation spatial warping shape to be uniformly set on the periphery of class cone hub；Described spiral vane is in class On cone hub periphery axially different apart under cross section Curve of wing on key point coordinate as follows Representing, X and Y represents the spatial value of key point, distance on the Curve of wing of spiral vane cross section respectively Parameter at the axial 55cm of leading edge of class cone hub sees table 1:
Table 1
Sequence number X Y Sequence number X Y
1 -6.0064 3.9645 11 -11.2940 -1.8720
2 -6.6524 3.9531 12 -10.6665 -1.7680
3 -7.2985 3.9498 13 -10.0391 -1.6640
4 -7.9446 3.9540 14 -9.4116 -1.5600
5 -8.5906 3.9653 15 -8.7842 -1.4560
6 -9.2365 3.9832 16 -8.1568 -1.3520
7 -9.8822 4.0071 17 -7.5293 -1.2480
8 -10.5276 4.0366 18 -6.9019 -1.1440
9 -11.1728 4.0713 19 -6.2744 -1.0400
10 -11.8177 4.1106 20 -5.6470 -0.9360
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane: y=-0.0004x3+0.0167x2+0.1850x+4.5544；
The right string of spiral vane: y=-0.0001x2+0.1664x-0.0012；
Parameter at the axial 110cm of leading edge of distance-like cone hub sees table 2:
Table 2
Sequence number X Y Sequence number X Y
1 12.0999 -3.9666 11 23.4423 2.7497
2 13.4662 -3.9961 12 22.1400 2.5969
3 14.8322 -4.0386 13 20.8376 2.4441
4 16.1978 -4.0929 14 19.5353 2.2914
5 17.5629 -4.1576 15 18.2329 2.1386
6 18.9275 -4.2315 16 16.9306 1.9859
7 20.2917 -4.3136 17 15.6282 1.8331
8 21.6554 -4.4031 18 14.3259 1.6803
9 23.0187 -4.4993 19 13.0235 1.5276
10 24.3815 -4.6014 20 11.7212 1.3748
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane: y=0.0002x3-0.0092x2+0.1369x-4.5666；
The right string of spiral vane: y=0.0001x2+0.1158x+0.0059；
Parameter at the axial 165cm of leading edge of distance-like cone hub sees table 3:
Table 3
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane: y=0.0002x3+0.0106x2+1.0474x+6.0915；
The right string of spiral vane: y=0.0003x2+1.0570x+0.0197；
Parameter at the axial 200cm of leading edge of distance-like cone hub sees table 4:
Table 4
Sequence number X Y Sequence number X Y
1 -9.1383 67.5134 11 -20.601 62.3546
2 -8.5373 63.7625 12 -19.4565 58.8905
3 -7.9313 60.0125 13 -18.312 55.4264
4 -7.3192 56.2635 14 -17.1675 51.9622
5 -6.7003 52.5156 15 -16.023 48.4981
6 -6.0733 48.769 16 -14.8785 45.0339
7 -5.4366 45.0241 17 -13.734 41.5698
8 -4.7881 41.2812 18 -12.5895 38.1056
9 -4.1252 37.5408 19 -11.445 34.6415
10 -3.4449 33.8036 20 -10.3005 31.1773
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane: y=0.0003x4+0.0123x3+0.2351x2-4.1808x+17.074；
The right string of spiral vane: y=-0.0002x2-3.0288x-0.0072；
Parameter at the axial 250cm of leading edge of distance-like cone hub sees table 5:
Table 5
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane: y=-0.0011x2+0.006x-3.6110；
The right string of spiral vane: y=0.0725x-0.0004.
The principle that realizes of the present invention is: the hydraulic turbine of the present invention has used dexterously in two dimension Fibonacci helix Shape spiral vane, sets to be uniformly distributed along the axial gradual change of class cone hub stretching formation spatial warping shape Putting on the periphery of class cone hub, when torrent stream flows through the hydraulic turbine of the present invention, torrent liquid point is the most adjoint And stream spiral vane and be uniform speed rotation, greatly reduce hydraulic friction collision, reduce entrance head Loss, thus improve hydraulic turbine capacitation effect；Wherein, class cone hub can set according to tidal current speed difference Being set to different ratio of height to diameters, the spiral vane in two dimension Fibonacci helix shape can according to tidal current speed not With being arranged to different pitch and regulating spatial warping degree；Ensure that the stability that runner rotates greatly；Spiral Rotating after external force suffered by shape blade, and then drive main shaft to rotate, then pass torque to be attached thereto sends out Group of motors generates electricity, and marine tidal-current energy is converted into electric energy.
The present invention compared with prior art its remarkable advantage is:
First, the spiral vane of the present invention is in two dimension Fibonacci helix shape, with along class cone hub Axially gradual change stretching formation spatial warping shape is uniformly set on the periphery of class cone hub to do and at the uniform velocity revolves Transhipment is dynamic, greatly reduces hydraulic friction collision, reduces entrance head loss, thus improves the hydraulic turbine and obtain Can effect；
Second, the class cone hub of the present invention be described spiral vane inner edge three-dimensional Fibonacci helix around The class cone shape that axial-rotation is formed, coordinates with spiral vane and synergism, not only substantially reduces water The vibration and noise of turbine unit, and the ocean shoal of fish can be made to pass through, efficiently solve prior art institute The Fish existed are difficult to migrate, damage the marine eco-environment and tidal current energy water turbine is difficult with marine organisms In the problem coexisted.
3rd, the hydraulic turbine structure of the present invention has filled up the blank of the art, and it efficiently solves existing A difficult problem for self-starting difficulty existing for technology, and class cone hub can be arranged to difference according to tidal current speed difference Ratio of height to diameter, the cross sectional shape of spiral vane can symmetrically airfoil type or asymmetric airfoil type, this bore with class Shape wheel hub is collaborative with spiral vane mates produced thrust, it is possible to obtain more marine tidal-current energy.
4th, the hydraulic turbine structure good stability of the present invention, effective time length and efficiency are high, can be as existing There is the upgraded product of technology, it is adaptable to substitute the various hydraulic turbines that this area utilizes marine tidal-current energy to generate electricity.
Accompanying drawing explanation
Fig. 1 is the structure of a kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity that the present invention proposes Cross-sectional schematic.
Fig. 2 is the body of a kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity that the present invention proposes Contour structures schematic diagram.
Fig. 3 is the Fibonacci helix schematic diagram of the spiral vane that the present invention proposes.
Fig. 4 is the runner of a kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity that the present invention proposes Contour structures schematic diagram.
Fig. 5 is the contour structures schematic diagram of the single-screw shape blade that the present invention proposes.
Fig. 6 is the contour structures schematic diagram of the Double-spiral blade combination that the present invention proposes.
Fig. 7 is the axially distinct position schematic cross-section of the spiral vane that the present invention proposes.
Fig. 8 is a kind of Fibonacci spiral type hydraulic turbine distance-like utilizing marine tidal-current energy to generate electricity that the present invention proposes Spiral vane cross section molded line schematic diagram at the axial 55cm of cone hub leading edge.
Fig. 9 is a kind of Fibonacci spiral type hydraulic turbine distance-like utilizing marine tidal-current energy to generate electricity that the present invention proposes Spiral vane cross section molded line schematic diagram at the axial 110cm of cone hub leading edge.
Figure 10 is a kind of Fibonacci spiral type hydraulic turbine distance-like utilizing marine tidal-current energy to generate electricity that the present invention proposes Spiral vane cross section molded line schematic diagram at the axial 165cm of cone hub leading edge.
Figure 11 is a kind of Fibonacci spiral type hydraulic turbine distance-like utilizing marine tidal-current energy to generate electricity that the present invention proposes Spiral vane cross section molded line schematic diagram at the axial 200cm of cone hub leading edge.
Figure 12 is a kind of Fibonacci spiral type hydraulic turbine distance-like utilizing marine tidal-current energy to generate electricity that the present invention proposes Spiral vane cross section molded line schematic diagram at the axial 250cm of cone hub leading edge.
Detailed description of the invention
With embodiment, the detailed description of the invention of the present invention is described in further detail below in conjunction with the accompanying drawings.
In conjunction with Fig. 1-3, a kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity that the present invention proposes, Including main shaft (3), cabinet (5), thrust bearing (6), shaft coupling (7), electromotor (8), machine Frame (9), base (10), water guide cone (11), described cabinet (5) lower section respectively with frame (9) and Base (10) supports；Also include the spiral vane (1) in two dimension Fibonacci helix shape, immerse Class cone hub (2) in torrent stream, seal closure (4)；Described electromotor (8) passes through shaft coupling (7) And main shaft (3) couples with class cone hub (2), set with class cone hub (2) junction at main shaft (3) Putting seal closure (4), cabinet (5) afterbody at class cone hub (2) rear side arranges water guide cone (11), Described spiral vane (1) is stretched with the axial gradual change along class cone hub (2) by thrust bearing (6) Form spatial warping shape to be uniformly set on the periphery of class cone hub (2).
In conjunction with Fig. 4-12, spiral vane of the present invention (1) on class cone hub (2) periphery not Coaxial apart under cross section Curve of wing on the coordinate of key point represent as follows, X and Y generation respectively The spatial value of key point, distance-like cone hub (2) on the Curve of wing of table spiral vane (1) cross section The axial 55cm of leading edge at parameter see table 1:
Table 1
Sequence number X Y Sequence number X Y
1 -6.0064 3.9645 11 -11.2940 -1.8720
2 -6.6524 3.9531 12 -10.6665 -1.7680
3 -7.2985 3.9498 13 -10.0391 -1.6640
4 -7.9446 3.9540 14 -9.4116 -1.5600
5 -8.5906 3.9653 15 -8.7842 -1.4560
6 -9.2365 3.9832 16 -8.1568 -1.3520
7 -9.8822 4.0071 17 -7.5293 -1.2480
8 -10.5276 4.0366 18 -6.9019 -1.1440
9 -11.1728 4.0713 19 -6.2744 -1.0400
10 -11.8177 4.1106 20 -5.6470 -0.9360
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=-0.0004x3+0.0167x2+0.1850x+4.5544；
The right string of spiral vane (1): y=-0.0001x2+0.1664x-0.0012；
Parameter at the axial 110cm of leading edge of distance-like cone hub (2) sees table 2:
Table 2
Sequence number X Y Sequence number X Y
1 12.0999 -3.9666 11 23.4423 2.7497
2 13.4662 -3.9961 12 22.1400 2.5969
3 14.8322 -4.0386 13 20.8376 2.4441
4 16.1978 -4.0929 14 19.5353 2.2914
5 17.5629 -4.1576 15 18.2329 2.1386
6 18.9275 -4.2315 16 16.9306 1.9859
7 20.2917 -4.3136 17 15.6282 1.8331
8 21.6554 -4.4031 18 14.3259 1.6803
9 23.0187 -4.4993 19 13.0235 1.5276
10 24.3815 -4.6014 20 11.7212 1.3748
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=0.0002x3-0.0092x2+0.1369x-4.5666；
The right string of spiral vane (1): y=0.0001x2+0.1158x+0.0059；
Parameter at the axial 165cm of leading edge of distance-like cone hub (2) sees table 3:
Table 3
Sequence number X Y Sequence number X Y
1 -18.6056 -10.6915 11 -28.3165 -29.8214
2 -20.4736 -12.1766 12 -26.7433 -28.1647
3 -22.3519 -13.6488 13 -25.1702 -26.5079
4 -24.2390 -15.1098 14 -23.5971 -24.8511
5 -26.1334 -16.5610 15 -22.0239 -23.1944
6 -28.0343 -18.0039 16 -20.4508 -21.5376
7 -29.9407 -19.4396 17 -18.8777 -19.8808
8 -31.8517 -20.8690 18 -17.3045 -18.2241
9 -33.7668 -22.2929 19 -15.7314 -16.5673
10 -35.6853 -23.7123 20 -14.1583 -14.9105
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=0.0002x3+0.0106x2+1.0474x+6.0915；
The right string of spiral vane (1): y=0.0003x2+1.0570x+0.0197；
Parameter at the axial 200cm of leading edge of distance-like cone hub (2) sees table 4:
Table 4
Sequence number X Y Sequence number X Y
1 -9.1383 67.5134 11 -20.601 62.3546
2 -8.5373 63.7625 12 -19.4565 58.8905
3 -7.9313 60.0125 13 -18.312 55.4264
4 -7.3192 56.2635 14 -17.1675 51.9622
5 -6.7003 52.5156 15 -16.023 48.4981
6 -6.0733 48.769 16 -14.8785 45.0339
7 -5.4366 45.0241 17 -13.734 41.5698
8 -4.7881 41.2812 18 -12.5895 38.1056
9 -4.1252 37.5408 19 -11.445 34.6415
10 -3.4449 33.8036 20 -10.3005 31.1773
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=0.0003x4+0.0123x3+0.2351x2-4.1808x+17.074；
The right string of spiral vane (1): y=-0.0002x2-3.0288x-0.0072；
Parameter at the axial 250cm of leading edge of distance-like cone hub (2) sees table 5:
Table 5
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=-0.0011x2+0.006x-3.6110；
The right string of spiral vane (1): y=0.0725x-0.0004.
A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity the most excellent that the present invention proposes The scheme is selected to be:
The quantity of spiral vane of the present invention (1) is 1 to 5 piece；Cutting of described spiral vane (1) Face shape symmetrically airfoil type or asymmetric airfoil type；The pitch of described spiral vane (1) is 20～40 Centimetre；When spiral vane (1) is streamed by trend, the center line of described class cone hub (2) and trend particle The angle of line is equal with the angle in torrent liquid point direction；The height of described water guide cone (11) and diameter ratio For 1:1～2:5；The height of described class cone hub (2) and diameter ratio are 3:1～5:1；Described class taper On the periphery curve in the mistake rotary shaft cross section of wheel hub (2), the coordinate of key point represents as follows, X and Z The spatial value of key point on the periphery curve in the mistake rotary shaft cross section representing class cone hub (2) respectively, Design parameter sees table 6:
Table 6
The Application Example of a kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity that the present invention proposes As follows:
Sharp with the one that the marine tidal-current energy flow velocity of coastal region uses the present invention to propose as 1m/s～under the conditions of 2.3m/s As a example by the Fibonacci spiral type hydraulic turbine with marine tidal-current energy generating:
The design of embodiment 1 is identical with the technical solution of the present invention, the design of its critical piece Parameter is disclosed directly below:
The quantity of the spiral vane (1) of the present invention is 2 pieces；The cross sectional shape of spiral vane (1) selects Symmetry machine aerofoil profile；The height of spiral vane (1) is 310cm, maximum gauge is 190cm, and minimum pitch is 85cm, pitch gradual change are than for 5:6；The height 310cm of class cone hub (2), maximum gauge are 105cm； The height of described water guide cone (11) is 180cm, a diameter of 105cm.
The design of embodiment 2 is identical with the technical solution of the present invention, the design of its critical piece Parameter is disclosed directly below:
The quantity of the spiral vane (1) of the present invention is 1 piece；The cross sectional shape of spiral vane (1) selects Asymmetric airfoil type；The height of spiral vane (1) is 320cm, maximum gauge is 220cm, minimum pitch For 85cm, pitch gradual change than for 5:6；The height of class cone hub (2) is 320cm, maximum gauge is 105cm； The height of described water guide cone (11) is 190cm, a diameter of 105cm.
The design of embodiment 3 is identical with the technical solution of the present invention, the design of its critical piece Parameter is disclosed directly below:
The quantity of the spiral vane (1) of the present invention is 5 pieces；The cross sectional shape of spiral vane (1) selects Symmetry machine aerofoil profile；The height of spiral vane (1) is 320cm, maximum gauge is 150cm, and minimum pitch is 105cm, pitch gradual change are than for 5:6；The height of class cone hub (2) is 320cm, maximum gauge is 105cm； The height of described water guide cone (11) is 160cm, a diameter of 105cm.
The concrete application process of the present invention is: the runner of the present invention includes spiral vane (1) and along class taper Wheel hub (2) coordinated, when the trend in ocean impacts the spiral vane (1) of runner, by the spiral shell of runner The energy of marine tidal-current energy is converted to the kinetic energy of runner by rotation shape blade (1), and then drives Fibonacci spiral type water The output shaft of turbine rotates, and the energy of trend is converted to the kinetic energy of the Fibonacci spiral type hydraulic turbine, further Driving electrical power generators, trend flows to the rear of runner by water guide cone section, returns in ocean.
The explanation being not directed in the detailed description of the invention of the present invention belongs to technology well known in the art, refers to known Technology is carried out.
The present invention, through validation trial, achieves satisfied trial effect.
Above detailed description of the invention and embodiment are a kind of striking ripples utilizing marine tidal-current energy to generate electricity proposing the present invention The concrete support of that contract spiral type hydraulic turbine technological thought, it is impossible to limit protection scope of the present invention with this, every The technological thought proposed according to the present invention, any equivalent variations done on the basis of the technical program or equivalence Change, all still fall within the scope of technical solution of the present invention protection.

Claims (8)

1. utilize the Fibonacci spiral type hydraulic turbine that marine tidal-current energy generates electricity, including main shaft (3), cabinet (5), thrust bearing (6), shaft coupling (7), electromotor (8), frame (9), base (10), Water guide cone (11), described cabinet (5) lower section supports with frame (9) and base (10) respectively；It is special Levy and be, also include the spiral vane (1) in two dimension Fibonacci helix shape, immerse in torrent stream Class cone hub (2), seal closure (4)；Described electromotor (8) passes through shaft coupling (7) and main shaft (3) couple with class cone hub (2), arrange close at main shaft (3) with class cone hub (2) junction Sealing cover (4), cabinet (5) afterbody at class cone hub (2) rear side arranges water guide cone (11), described Spiral vane (1) stretches formation by thrust bearing (6) with the axial gradual change along class cone hub (2) Spatial warping shape is uniformly set on the periphery of class cone hub (2)；Described spiral vane (1) On class cone hub (2) periphery axially different apart under cross section Curve of wing on key point coordinate with Following manner represents, X and Y represents the space of key point on the Curve of wing of spiral vane (1) cross section respectively Coordinate figure, the parameter at the axial 55cm of leading edge of distance-like cone hub (2) sees table 1:
Table 1
Sequence number X Y Sequence number X Y 1 -6.0064 3.9645 11 -11.2940 -1.8720 2 -6.6524 3.9531 12 -10.6665 -1.7680 3 -7.2985 3.9498 13 -10.0391 -1.6640 4 -7.9446 3.9540 14 -9.4116 -1.5600 5 -8.5906 3.9653 15 -8.7842 -1.4560 6 -9.2365 3.9832 16 -8.1568 -1.3520 7 -9.8822 4.0071 17 -7.5293 -1.2480 8 -10.5276 4.0366 18 -6.9019 -1.1440 9 -11.1728 4.0713 19 -6.2744 -1.0400 10 -11.8177 4.1106 20 -5.6470 -0.9360
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=-0.0004x3+0.0167x2+0.1850x+4.5544；
The right string of spiral vane (1): y=-0.0001x2+0.1664x-0.0012；
Parameter at the axial 110cm of leading edge of distance-like cone hub (2) sees table 2:
Table 2
Sequence number X Y Sequence number X Y 1 12.0999 -3.9666 11 23.4423 2.7497 2 13.4662 -3.9961 12 22.1400 2.5969 3 14.8322 -4.0386 13 20.8376 2.4441 4 16.1978 -4.0929 14 19.5353 2.2914 5 17.5629 -4.1576 15 18.2329 2.1386 6 18.9275 -4.2315 16 16.9306 1.9859 7 20.2917 -4.3136 17 15.6282 1.8331 8 21.6554 -4.4031 18 14.3259 1.6803 9 23.0187 -4.4993 19 13.0235 1.5276 10 24.3815 -4.6014 20 11.7212 1.3748
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=0.0002x3-0.0092x2+0.1369x-4.5666；
The right string of spiral vane (1): y=0.0001x2+0.1158x+0.0059；
Parameter at the axial 165cm of leading edge of distance-like cone hub (2) sees table 3:
Table 3
Sequence number X Y Sequence number X Y 1 -18.6056 -10.6915 11 -28.3165 -29.8214 2 -20.4736 -12.1766 12 -26.7433 -28.1647 3 -22.3519 -13.6488 13 -25.1702 -26.5079 4 -24.2390 -15.1098 14 -23.5971 -24.8511 5 -26.1334 -16.5610 15 -22.0239 -23.1944 6 -28.0343 -18.0039 16 -20.4508 -21.5376 7 -29.9407 -19.4396 17 -18.8777 -19.8808 8 -31.8517 -20.8690 18 -17.3045 -18.2241 9 -33.7668 -22.2929 19 -15.7314 -16.5673 10 -35.6853 -23.7123 20 -14.1583 -14.9105
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=0.0002x3+0.0106x2+1.0474x+6.0915；
The right string of spiral vane (1): y=0.0003x2+1.0570x+0.0197；
Parameter at the axial 200cm of leading edge of distance-like cone hub (2) sees table 4:
Table 4
Sequence number X Y Sequence number X Y 1 -9.1383 67.5134 11 -20.601 62.3546 2 -8.5373 63.7625 12 -19.4565 58.8905 3 -7.9313 60.0125 13 -18.312 55.4264 4 -7.3192 56.2635 14 -17.1675 51.9622 5 -6.7003 52.5156 15 -16.023 48.4981 6 -6.0733 48.769 16 -14.8785 45.0339 7 -5.4366 45.0241 17 -13.734 41.5698 8 -4.7881 41.2812 18 -12.5895 38.1056 9 -4.1252 37.5408 19 -11.445 34.6415 10 -3.4449 33.8036 20 -10.3005 31.1773
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=0.0003x4+0.0123x3+0.2351x2-4.1808x+17.074；
The right string of spiral vane (1): y=-0.0002x2-3.0288x-0.0072；
Parameter at the axial 250cm of leading edge of distance-like cone hub (2) sees table 5:
Table 5
Two curvilinear equations after matching are respectively as follows:
The left string of spiral vane (1): y=-0.0011x2+0.006x-3.6110；
The right string of spiral vane (1): y=0.0725x-0.0004.
A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity the most according to claim 1, It is characterized in that, the quantity of described spiral vane (1) is 1～5 piece.
A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity the most according to claim 2, It is characterized in that, the cross sectional shape symmetrically airfoil type of described spiral vane (1) or asymmetric airfoil type.
A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity the most according to claim 3, It is characterized in that, the pitch of described spiral vane (1) is 20～40 centimetres, spiral vane (1) axle Being gradually increased to pitch, pitch gradient scale is 5:6.
A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity the most according to claim 4, It is characterized in that, the height of described class cone hub (2) and diameter ratio are 3:1～5:1.
6. according to a kind of Fibonacci spiral type utilizing marine tidal-current energy to generate electricity described in any one of claim 1-5 The hydraulic turbine, it is characterised in that being shaped as in described spiral vane (1) of described class cone hub (2) The class cone shape that the three-dimensional Fibonacci helix of edge is formed around axial-rotation；Described class cone hub (2) Mistake rotary shaft cross section periphery curve on the coordinate of key point represent as follows,
Table 6
On the periphery curve in the mistake rotary shaft cross section that X and Z represents class cone hub (2) respectively, the space of key point is sat Scale value, design parameter sees table 6.
A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity the most according to claim 6, It is characterized in that, when spiral vane (1) is streamed by trend, the center line of described class cone hub (2) with The angle of trend particle line is equal with the angle in torrent liquid point direction.
A kind of Fibonacci spiral type hydraulic turbine utilizing marine tidal-current energy to generate electricity the most according to claim 7, It is characterized in that: the height of described water guide cone (11) and diameter ratio are 1:2～4:5.
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