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CN104343626A - Self-protection wind-driven water lifting system with accelerating vanes - Google Patents

Self-protection wind-driven water lifting system with accelerating vanes Download PDF

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Publication number
CN104343626A
CN104343626A CN201410587332.4A CN201410587332A CN104343626A CN 104343626 A CN104343626 A CN 104343626A CN 201410587332 A CN201410587332 A CN 201410587332A CN 104343626 A CN104343626 A CN 104343626A
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CN
China
Prior art keywords
blade
wind
water
section
speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410587332.4A
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Chinese (zh)
Other versions
CN104343626B (en
Inventor
郑源
高翀恒
牟童
赵振宙
韩星星
宋晨光
程相
李中杰
阚阚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Hehai Technology Co Ltd
Hohai University HHU
Original Assignee
Nanjing Hehai Technology Co Ltd
Hohai University HHU
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Application filed by Nanjing Hehai Technology Co Ltd, Hohai University HHU filed Critical Nanjing Hehai Technology Co Ltd
Priority to CN201410587332.4A priority Critical patent/CN104343626B/en
Publication of CN104343626A publication Critical patent/CN104343626A/en
Application granted granted Critical
Publication of CN104343626B publication Critical patent/CN104343626B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
    • 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
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • 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
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04—Automatic control; Regulation
    • 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by wind motors
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

本发明涉及一种带有增速叶片的自保护风力提水系统，包括由风力传动机构直接驱动提水机构，其特征在于所述叶片为截面采用NACA系列翼型且具有低风速起动及高输出扭矩的流线型增速叶片，该叶片为低叶尖速比及大扭角的叶根，从叶根到叶尖共分为20个截面设置安装角，各截面之间采用光滑过渡；所述提水机构的水泵的出水口与液压调速机构的出水压力调节缸连接。本发明不仅能够解决传统风力提水系统叶片数量多、风能利用率低的问题，而且巧妙地利用大风力下的水泵出水口的水压力来带动液压调速机构动作，控制风力传动机构及时响应偏航，达到自动保护系统机组的目的，适合于缺乏电力资源的偏远地区的农田灌溉应用。

The invention relates to a self-protected wind water lifting system with speed-increasing blades, which includes a water lifting mechanism directly driven by a wind power transmission mechanism, and is characterized in that the blades are NACA series airfoils in section and have low wind speed starting and high output Torque streamlined speed-increasing blade, the blade is a blade root with a low tip speed ratio and a large twist angle, and is divided into 20 sections from the blade root to the tip to set the installation angle, and a smooth transition is adopted between each section; The water outlet of the water pump of the water mechanism is connected with the water outlet pressure regulating cylinder of the hydraulic speed regulating mechanism. The invention can not only solve the problems of large number of blades and low utilization rate of wind energy in the traditional wind power water lifting system, but also skillfully use the water pressure of the water pump outlet under strong wind to drive the action of the hydraulic speed regulating mechanism, and control the wind power transmission mechanism to respond to the deviation in time. Navigation, to achieve the purpose of automatic protection system unit, suitable for farmland irrigation applications in remote areas lacking power resources.

Description

A kind of self-protection water pumping of the wind-force system with speedup blade
Technical field
The invention belongs to technical field of new energies, particularly relate to a kind of self-protection water pumping of the wind-force system with speedup blade.
Background technique
New energy show more and more consequence and effect at the development convexity of current economic society.Wind energy as a kind of cleanliness without any pollution and the renewable energy sources of cheapness and receiving utilize widely.The mode of current Wind Power Utilization mainly contains two kinds, a kind of is be mechanical energy by the device of wind-power electricity generation by wind energy transformation, be that electric energy is connected to the grid and is used by changes mechanical energy by generator again, this Wind Power Utilization mode is studied more deep, ripe wind-powered electricity generation theory and Industry Model are defined, but this wind-power electricity generation needs comparatively complicated control system, also needs the electrical equipment costly such as generator, frequency variator; Another kind utilizes mechanical device that wind energy is converted into mechanical energy to be directly used, and wind-powered water lift belongs to this category.Water pumping of the wind-force just relies on natural wind-resources to drive water pump to complete water lift operation, compare with wind generating unit that its mechanical structure is simple, with low cost, operation and maintenance is convenient, but also there is many insoluble problems in water pumping of the wind-force, the problems such as wind energy utilization that is as more in the number of blade, blade is low, power is less, the coupling of Fan and pump, these all make water pumping of the wind-force await further further investigation.
Chinese patent application 201110316710.1 discloses one " wind water lifting irrigation system ", and it utilizes bent axle formation connecting rod to carry out the wind water lifting irrigation system of water lift; Chinese patent application 200320104849 disclosed " wind-powered water lift " is the wind-powered water lift utilizing multiple wind wheel large size to collect folk songs, but wind wheel still adopts arc multi-vane chip architecture, and the dead-man's device not under strong wind state; Chinese patent application 201310358909.X discloses a kind of wind power water pumping machine, can carry out the wind power water pumping machine of deep layer water lift and shallow-layer water lift, but not improve arc multi-vane chip architecture; Chinese patent application 200810119891.7 discloses a kind of vertical shaft giant energy and energy-collecting wind water lift unit, namely to be connected by multiple vertical shaft giant energy wind energy conversion system the vertical-shaft wind water pumping system of the muck in formed, but because the power coefficient of vertical-shaft fan is lower, moment of torsion is little and the series connection of multiple vertical-shaft fan, not only manufacture cost increases, and the usefulness of Wind Power Utilization is still not high enough; Chinese patent application 201210161249.1 discloses a kind of pneumatic equipment blades made with embedded honeycomb duct, although decrease noise and tip vortex to a certain extent, but because its air outlet is opened at Ye Ding, when air-flow at a high speed ejection time can cause a very large reaction force to blade radial, add the stress load of wheel hub and pylon, both have influence on the wind energy utilization of unit, in turn increase its manufacture cost.
The wind-powered water lift having formed industrial scale is at present the system adopting multiple-blade, the slow-speed of revolution, low wind energy utilization mostly, and the number of blade makes rotor solidity comparatively large more, and the air-flow flowing through wind wheel is less, thus have impact on its output power; Meanwhile, the design of blade adopts traditional plate or arc template mostly, and wind energy utilization efficiency is lower, easily causes the waste of wind energy resources.In sum, the efficiency how improving water pumping of the wind-force system is one of emphasis difficult problem urgently to be resolved hurrily in technical field of new energies.
Summary of the invention
The object of the invention is the deficiency for overcoming existing for prior art and a kind of self-protection water pumping of the wind-force system with speedup blade is provided; the present invention can not only solve the problem that conventional wind water pumping system blade quantity is many, wind energy utilization is low; and utilize the water pressure of the pump outlet under large wind-force to drive hydraulic speed regulating mechanism action dexterously; control wind power transmission wind mechanism and respond driftage in time, reach the object of automatic protective system unit.
According to a kind of self-protection water pumping of the wind-force system with speedup blade that the present invention proposes, comprise by Direct driver water lift mechanism of wind power transmission wind mechanism, wherein: be fixed in cabin by the main shaft of water lift mechanism by the deep groove ball bearing level at two ends, main shaft and I section, vertical shaft arrange bevel gear pair, I section, vertical shaft is fixed on vertical direction, I section, vertical shaft is connected by II section, Hooks coupling universal coupling and vertical shaft, II section, vertical shaft is connected by III section, spline and vertical shaft, in the below of III section, vertical shaft, water pump is set, slotted disk is fixed on the below of III section, vertical shaft, water pump to-and-fro motion is driven by slotted disk, the wheel hub of wind power transmission wind mechanism is arranged on the front end in cabin and stator blade, and cowling is arranged on the front end of wheel hub, the front end of the main shaft of water lift mechanism is connected with the wheel hub being located at front end, cabin by the wheelboss flange of wind power transmission wind mechanism, it is characterized in that described blade is that cross section adopts NACA series aerofoil sections and has the streamlined speedup blade of the starting of low wind speed and high output torque, this blade is the blade root of low tip speed ratio and large torsional angle, from blade root to blade tip, be divided into 20 cross sections established angle is set, between each cross section, adopt smooth transition, the water outlet of the water pump of described water lift mechanism regulates cylinder to be connected with the discharge pressure of hydraulic speed regulating mechanism.
Working principle of the present invention is: the new design of the streamlined speedup blade that the present invention proposes is the corresponding optimal attack angle of peak based on wind energy conversion system Wind Power Utilization curve, and only have the wind energy utilization when pneumatic equipment blades made is in optimal attack angle just can reach maximum principle, therefore each cross section of pneumatic equipment blades made must be reversed, guarantee blade working is in the optimum state, pneumatic equipment blades made when rotated, the air-flow that pressure difference due to upper lower aerofoil makes the air-flow of pressure side can walk around blade tip and suction surface meets formation tip vortex, tip vortex causes the lift coefficient of aerofoil profile to decline, have impact on the wind energy utilization of blade, also the harmful effects such as noise can be produced when rotating speed height, therefore in the pressure side profile thickness biggest place of distance blade tip 15% length of blade, drainage tube has been established, the air-flow of near for blade blade tip place pressure side is caused the trailing edge place ejection of the blade tip of same length, the generation of tip vortex can be reduced like this, improve wind energy utilization, the gas simultaneously sprayed produces a circumferential reaction force to trailing edge, strengthen the rotation effect of blade, reduce the starting wind velocity of water pumping system, further raising wind energy utilization, simultaneously, utilize the water pressure of the pump outlet under large wind-force to drive hydraulic speed regulating mechanism action dexterously, make wind power transmission wind mechanism can respond driftage in time when strong wind state, reach the object of automatic protective system unit particularly wind power transmission wind mechanism blade.
The present invention compared with prior art its remarkable advantage is:
One is the invention solves the problem that conventional wind water pumping system blade quantity is many, wind energy utilization is low, NACA series aerofoil sections is adopted to devise the speedup blade of wind energy conversion system, and optimize its chord length and established angle, the aeroperformance of blade is greatly improved; Test result shows, the present invention, as the system of the wind-force started with low wind speed for power water lift, can reach more than 0.42 at water pumping of the wind-force unit apoplexy energy utilization factor, at least improve 20% compared with 0.35 of conventional wind water lift unit.
Two is that blade of the present invention is provided with drainage tube, not only reduce the generation of tip vortex, the position simultaneously changing air outlet hole makes the rotation of air-flow to blade sprayed have obvious impetus, thus improve the utilization ratio of blade to wind energy, make blade be reduced to 2.7m/s from original starting wind velocity 3m/s.
Three be water pumping of the wind-force system of the present invention compared with the water pumping of the wind-force unit of identical lift, decrease number and the length of blade of blade, and power coefficient significantly promotes, greatly reduces the manufacture cost of water lift unit.
Four is hydraulic speed regulating mechanisms of the present invention by the driving of the water pressure of the pump outlet under large wind-force, makes wind power transmission wind mechanism can respond driftage in time when strong wind state, reaches the effect of automatic protective system unit particularly wind power transmission wind mechanism blade.
Five is that water pumping of the wind-force system of the present invention is provided with Hooks coupling universal coupling and spline on main shaft, is convenient to lifting; After coming into operation, except General Maintenance, automatically can complete water lift, nurse operation without the need to personnel.
Six is that mechanical structure of the present invention is simple and reliable, cheap, has very high social economic benefit, is suitable for the field irrigation of the remote districts lacking electric power resource.
Accompanying drawing explanation
Fig. 1 is the schematic front view of a kind of self-protection water pumping of the wind-force system with speedup blade that the present invention proposes.
Fig. 2 is the schematic front view of the blade that the present invention proposes.
Fig. 3 is the schematic three dimensional views of the blade that the present invention proposes.
Fig. 4 is the schematic diagram of the blade tip drainage tube established in the blade that proposes of the present invention.
Fig. 5 is the schematic three dimensional views of the blade with drainage tube 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 self-protection water pumping of the wind-force system with speedup blade that the present invention proposes, comprise by Direct driver water lift mechanism of wind power transmission wind mechanism, wherein: be fixed in cabin (15) by the main shaft (6) of water lift mechanism by deep groove ball bearing (5) level at two ends, main shaft (6) and I section, vertical shaft (9) arrange bevel gear pair (8), vertical shaft I section (9) is fixed on vertical direction, I section, vertical shaft (9) is connected by Hooks coupling universal coupling (23) and vertical shaft II section (24), II section, vertical shaft (24) is connected by spline (22) and vertical shaft III section (25), in the below of vertical shaft III section (25), water pump (28) is set, slotted disk (26) is fixed on the below of vertical shaft III section (25), water pump (28) to-and-fro motion is driven by slotted disk (26), the wheel hub (2) of wind power transmission wind mechanism is arranged on the front end in cabin (15) and stator blade (1), and cowling (3) is arranged on the front end of wheel hub (2), the front end of the main shaft (6) of water lift mechanism is connected with the wheel hub (2) being located at cabin (15) front end by the wheelboss flange (4) of wind power transmission wind mechanism, described blade (1) adopts NACA series aerofoil sections for cross section and has the streamlined speedup blade of the starting of low wind speed and high output torque, the blade root that this blade (1) is low tip speed ratio and large torsional angle, from blade root to blade tip, be divided into 20 cross sections established angle is set, between each cross section, adopt smooth transition, the water outlet of water pump (28) and the discharge pressure of hydraulic speed regulating mechanism of described water lift mechanism regulate cylinder (12) to be connected.
Composition graphs 2 and Fig. 3, the further optimized project of the self-protection water pumping of the wind-force system with speedup blade that the present invention proposes is:
The established angle in each cross section of blade of the present invention (1) and the parameter of chord length are respectively as shown in following table 1 and table 2:
Table 1: the established angle parameter list in the cross section of blade (1)
Cross section sequence number Established angle (°) Cross section sequence number Established angle (°)
1001 40.14 1011 22.00
1002 40.14 1012 20.29
1003 38.23 1013 18.67
1004 37.87 1014 17.12
1005 35.27 1015 15.63
1006 32.69 1016 14.13
1007 30.23 1017 12.58
1008 27.94 1018 10.86
1009 25.81 1019 8.66
1010 23.84 1020 5.92
Be 6 power matchings from blade root to blade tip established angle and cross section number, established angle fit equation is:
Y＝-9.21×10 -7x 6+8.33×10 -5x 5-3.71×10 -3x 4+8.39×10 -2x 3-0.899x 2+2.06x+38.86；
Table 2: the established angle chord length parameter table in the cross section of blade (1)
Cross section sequence number Chord length (m) Cross section sequence number Chord length (m)
1001 0.20 1011 0.44
1002 0.25 1012 0.43
1003 0.30 1013 0.42
1004 0.34 1014 0.40
1005 0.39 1015 0.39
1006 0.42 1016 0.37
1007 0.44 1017 0.35
1008 0.45 1018 0.33
1009 0.45 1019 0.29
1010 0.45 1020 0.12
Blade (1) is 7 power matchings from blade root to the chord length of blade tip blade and cross section number, and chord length fit equation is:
Y＝-9.60×10 -8x 7+6.85×10 -6x 6-1.99×10 -4x 5+3.07×10 -3x 4-2.64×10 -2x 3+1.21×10 -1x 2-2.18×10 -1x+0.37；
Blade quantity is 6, is evenly distributed on the circumference of wheel hub (2).
Composition graphs 4 and Fig. 5, blade of the present invention (1) arranges the inlet hole (32) of drainage tube (31) on the pressure side of distance blade tip 15% length of blade, the fraction of blade tip pressure side is caused the trailing edge of blade tip, and spray from the air outlet hole (33) of the drainage tube (31) of blade tip trailing edge.
The quantity of drainage tube of the present invention (31) is 2, the inlet hole (32) of drainage tube (31) is arranged on the pressure side profile thickness biggest place of blade (1) distance blade tip 15% length of blade, the air outlet hole (33) of the drainage tube (31) of blade tip trailing edge is positioned at the blade tip trailing edge place of same length, and diameter is no more than 50% of blade tip trailing edge thickness.
Drainage tube of the present invention (31) is by the inner vertical pipe to suction surface of the pressure side penetrating blade (1) of blade (1).
Hydraulic speed regulating mechanism of the present invention comprises discharge pressure and regulates cylinder (12), oil pump (11), oil dispenser (10), oil hydraulic cylinder (19), guide rail annulus platform (18), leverage (16) and empennage (7), wherein: discharge pressure regulates cylinder (12) to be fixed on pylon (27) bottom, its piston shaft is connected with oil pump (11) piston, the oil pipe output terminal of oil pump (11) is connected with oil dispenser (10), oil dispenser (10) is connected with oil hydraulic cylinder (19), this oil hydraulic cylinder (19) upper end supporting guide annulus platform (18), the fulcrum of leverage (16) is positioned at the bottom sharp corner in cabin (15), leverage (16) is tangent by universal wheels (17) and guide rail annulus platform (18), the quantity of described oil hydraulic cylinder (19) is 3, is evenly arranged in pylon (27) circumferentially.
Leverage of the present invention (16) end is connected with empennage (7) by spring (13) by wire rope pile warp leading block (14), makes empennage under strong wind state deflect the rotational velocity of adjusting vane.
Parameters of operating part and the matching requirements of the self-protection water pumping of the wind-force system with speedup blade of the present invention's proposition are as follows:
Blade of the present invention (1) adopts NACA series aerofoil sections for cross section and has the streamlined speedup blade of the starting of low wind speed and high output torque, blade (1) adopts the low tip speed ratio of 1.8 and large established angle blade root, 20 its established angles of Cross section Design are divided into from blade root to blade tip, smooth transition is adopted between cross section and cross section
Blade root established angle is 40.14 °, and blade tip established angle is 5.92 °, and be 6 power matchings from blade root to blade tip established angle and cross section number, fit equation is:
Y＝-9.21×10 -7x 6+8.33×10 -5x 5-3.71×10 -3x 4+8.39×10 -2x 3-0.899x 2+2.06x+38.86；
The chord length 0.2m at blade root place, the chord length at blade tip place is 0.12m, and the chord length of blade (1) follows blade tip and cross section number to be 7 power matchings from leaf, and fit equation is:
Y＝-9.60×10 -8x 7+6.85×10 -6x 6-1.99×10 -4x 5+3.07×10 -3x 4-2.64×10 -2x 3+1.21×10 -1x 2-2.18×10 -1x+0.37；
The pressure side of blade (1) distance tip segment 15% chord length length of blade arranges drainage tube (31), the fraction of blade tip pressure side is caused the trailing edge of blade tip, the quantity of drainage tube (31) is 2, the inlet hole (32) of drainage tube (31) is arranged on the pressure side aerofoil profile maximum ga(u)ge place of blade (1) distance blade tip 15% length of blade, the air outlet hole (33) of the drainage tube (31) of blade tip trailing edge is positioned at the blade tip trailing edge place of same length, drainage tube (31) is by the inner vertical pipe to suction surface of the pressure side penetrating blade (1) of blade (1), when blade (1) rotates, because its pressure side air pressure is higher than suction surface, air-flow spontaneously enters from the inlet hole (32) of the drainage tube (31) of blade (1) pressure side, spray from the air outlet hole (33) of the drainage tube (31) of blade tip trailing edge, avoid a part of air-flow to cross formation vortex from the air-flow that blade tip walks around blade (1) and suction surface, decrease the generation of tip vortex, improve lift coefficient, can more than 0.42 be reached at water pumping of the wind-force unit apoplexy energy utilization factor, the air-flow of blade tip trailing edge place ejection simultaneously enhances the turning effect of blade, wind-force drives blade rotary, blade is delivered to water lift mechanism by rotating the moment of torsion produced.
The main shaft (6) of water lift mechanism is fixed in cabin (19) by deep groove ball bearing (5) level at two ends, main shaft (6) and I section, vertical shaft (9) arrange bevel gear pair (8), and this bevel gear pair (8) is for one-level bevel gear is secondary, its velocity ratio is 1:2; The error causing causing in installation for elimination vertical shaft (6) is oversize and lifting are conveniently, I section, vertical shaft (9) is connected by Hooks coupling universal coupling (23) and vertical shaft II section (24), II section, vertical shaft (24) is connected by spline (22) and vertical shaft III section (25), in the below of vertical shaft III section (25), water pump (28) is set, drive water pump (28) to-and-fro motion by slotted disk (26), make water rise to upper pond (30) from lower reservoir (29); Main shaft (6) front end of water lift mechanism is connected with the wheel hub (2) being located at cabin (15) front end by the wheelboss flange (4) of wind power transmission wind mechanism; The water outlet of water pump (28) and the discharge pressure of hydraulic speed regulating mechanism of described water lift mechanism regulate cylinder (12) to be connected.
Described hydraulic speed regulating mechanism comprises water pressure and regulates cylinder (12), oil pump (11), oil dispenser (10), oil hydraulic cylinder (19), guide rail annulus platform (18), leverage (16) and empennage (7), wherein: discharge pressure regulates cylinder (12) to be fixed on the bottom of pylon (27), its piston shaft is connected with the piston of oil pump (11), the oil pipe output terminal of oil pump (11) is connected with the oil dispenser (10) of pylon (27) top, this oil dispenser (10) is connected with circumferentially equally distributed oil hydraulic cylinder (19), oil hydraulic cylinder (19) upper end supports a guide rail annulus platform (18), leverage (16) is tangent by universal wheels (17) and guide rail annulus platform (18), leverage (16) end is connected with empennage (7) by spring (13) by wire rope pile warp leading block (14), when strong wind comes interim, blade (1) faster rotational speed, water pump (28) water outlet pressure increase, discharge pressure is made to regulate the piston of cylinder (12) upwards, promote oil pump (11) piston upwards in parallel, oil to be uniformly distributed to 3 oil hydraulic cylinders (19) on guide rail annulus platform (18) by the oil pipe output terminal of oil pump (11) by oil dispenser (10), promote guide rail annulus platform (18) upwards, make leverage (16) one end upwards, and allow empennage (7) deflect by leading block (14), the blade of wind power transmission wind mechanism (1) is made to depart from direction windward, to reach the effect of automatic protection unit of the present invention particularly blade (1).
The specific embodiment of the self-protection water pumping of the wind-force system with speedup blade that the present invention proposes is as follows:
Embodiment 1: when lift be 5m, incoming flow wind speed be 2.7m/s time, the blade (1) of the self-protection water pumping of the wind-force unit with speedup blade of the present invention starts to rotate, and now Direct driver water lift mechanism can start working and carry out water lift; The stabilization of speed of blade (1) when wind speed is 3m/s, now the rotating speed of load-carrying water pumping of the wind-force unit blade (1) is 25r/min; When wind speed increases to the rated wind speed of 8m/s, the rotating speed of water pumping of the wind-force unit blade (1) is 75r/min, and water lift flow when lift is 5m is 25m 3/ h ~ 30m 3/ h, wind energy utilization>=0.42.
Embodiment 2: when lift be 9m, incoming flow wind speed be 2.7m/s time, the blade (1) of the self-protection water pumping of the wind-force unit with speedup blade of the present invention has started to rotate, when water pumping of the wind-force unit is unloaded, the rotating speed of blade (1) is 27r/min, and now wind power transmission wind mechanism does not also drive water lift institution staff; When wind speed arrives 3m/s, water pumping of the wind-force unit drives water lift mechanism to start working and water lift; Blade (1) stabilization of speed of water pumping of the wind-force unit when wind speed is 3.5m/s, now due to load on unit band, the rotating speed of blade (1) reaches 30r/min; When wind speed increases to the rated wind speed of 8m/s, the rotating speed of water pumping of the wind-force unit blade (1) is 65r/min, water lift flow is 10m 3/ h ~ 15m 3/ h, wind energy utilization>=0.42.
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 effect.

Claims (8)

1.一种带有增速叶片的自保护风力提水系统，包括由风力传动机构直接驱动提水机构，其中：由提水机构的主轴(6)通过两端的深沟球轴承(5)水平固定于机舱(15)内，主轴(6)和立轴Ⅰ段(9)上设置伞形齿轮副(8)，立轴Ⅰ段(9)固定在竖直方向，立轴Ⅰ段(9)通过万向联轴器(23)与立轴Ⅱ段(24)连接，立轴Ⅱ段(24)通过花键(22)与立轴Ⅲ段(25)连接，在立轴Ⅲ段(25)的下方设置水泵(28)，带槽圆盘(26)固定在立轴Ⅲ段(25)的下方，由带槽圆盘(26)带动水泵(28)往复运动；风力传动机构的轮毂(2)设置在机舱(15)的前端并固定叶片(1)，整流罩(3)设置在轮毂(2)的前端；提水机构的主轴(6)的前端通过风力传动机构的轮毂法兰(4)与设在机舱(15)前端的轮毂(2)连接；其特征在于所述的叶片(1)为截面采用NACA系列翼型且具有低风速起动及高输出扭矩的流线型增速叶片，该叶片(1)为低叶尖速比及大扭角的叶根，从叶根到叶尖共分为20个截面设置安装角，各截面之间采用光滑过渡；所述提水机构的水泵(28)的出水口与液压调速机构的出水压力调节缸(12)连接。1. A self-protected wind-powered water-lifting system with speed-increasing blades, including a water-lifting mechanism directly driven by a wind power transmission mechanism, wherein: the main shaft (6) of the water-lifting mechanism passes through the deep groove ball bearings (5) at both ends horizontally Fixed in the nacelle (15), the bevel gear pair (8) is arranged on the main shaft (6) and the vertical shaft section I (9), the vertical shaft section I (9) is fixed in the vertical direction, and the vertical shaft section I (9) passes through the universal The shaft coupling (23) is connected with the vertical shaft II section (24), the vertical shaft II section (24) is connected with the vertical shaft III section (25) through a spline (22), and a water pump (28) is arranged below the vertical shaft III section (25) , the grooved disc (26) is fixed below the vertical shaft III section (25), and the grooved disc (26) drives the water pump (28) to reciprocate; the hub (2) of the wind power transmission mechanism is arranged at the The blade (1) is fixed at the front end, and the fairing (3) is arranged on the front end of the hub (2); the front end of the main shaft (6) of the water lifting mechanism passes through the hub flange (4) of the wind power transmission mechanism and is arranged on the nacelle (15) The front end hub (2) is connected; it is characterized in that the blade (1) is a streamlined speed-increasing blade with a NACA series airfoil cross-section and low wind speed starting and high output torque, and the blade (1) is a low tip speed Compared with the blade root with a large twist angle, it is divided into 20 sections from the blade root to the blade tip to set the installation angle, and smooth transition is adopted between each section; the water outlet of the water pump (28) of the water lifting mechanism and the hydraulic speed regulation The water outlet pressure regulating cylinder (12) of mechanism is connected. 2.根据权利要求1所述的带有增速叶片的自保护风力提水系统，其特征在于所述叶片(1)的每个截面的安装角和弦长的参数分别如下表1和表2所示：2. The self-protection wind water lifting system with speed-increasing blades according to claim 1 is characterized in that the parameters of the installation angle and the chord length of each section of the blade (1) are shown in Table 1 and Table 2 respectively Show: 表1：叶片(1)的截面的安装角参数表Table 1: Parameter table of the installation angle of the section of the blade (1) 截面序号Section number 安装角(°)Installation angle(°) 截面序号Section number 安装角(°)Installation angle(°) 10011001 40.1440.14 10111011 22.0022.00 10021002 40.1440.14 10121012 20.2920.29 10031003 38.2338.23 10131013 18.6718.67 10041004 37.8737.87 10141014 17.1217.12 10051005 35.2735.27 10151015 15.6315.63 10061006 32.6932.69 10161016 14.1314.13 10071007 30.2330.23 10171017 12.5812.58 10081008 27.9427.94 10181018 10.8610.86 10091009 25.8125.81 10191019 8.668.66 10101010 23.8423.84 10201020 5.925.92
从叶根到叶尖安装角与截面个数为6次方拟合，安装角拟合方程为：The installation angle from the blade root to the blade tip is fitted to the sixth power of the number of sections, and the installation angle fitting equation is: Y＝-9.21×10-7x6+8.33×10-5x5-3.71×10-3x4+8.39×10-2x3-0.899x2+2.06x+38.86；Y＝-9.21×10 -7 x 6 +8.33×10 -5 x 5 -3.71×10 -3 x 4 +8.39×10 -2 x 3 -0.899x 2 +2.06x+38.86; 表2：叶片(1)的截面的安装角弦长参数表Table 2: Installation angle and chord length parameter table of the section of the blade (1) 截面序号Section number 弦长(m)Chord length (m) 截面序号Section number 弦长(m)Chord length (m) 10011001 0.200.20 10111011 0.440.44 10021002 0.250.25 10121012 0.430.43 10031003 0.300.30 10131013 0.420.42 10041004 0.340.34 10141014 0.400.40 10051005 0.390.39 10151015 0.390.39 10061006 0.420.42 10161016 0.370.37 10071007 0.440.44 10171017 0.350.35 10081008 0.450.45 10181018 0.330.33 10091009 0.450.45 10191019 0.290.29 10101010 0.450.45 10201020 0.120.12
叶片(1)从叶根到叶尖叶片的弦长与截面个数为7次方拟合，弦长拟合方程为：Blade (1) The chord length of the blade from the blade root to the blade tip is fitted to the 7th power of the number of sections, and the chord length fitting equation is: Y＝-9.60×10-8x7+6.85×10-6x6-1.99×10-4x5+3.07×10-3x4-2.64×10-2x3+1.21×10-1x2-2.18×10-1x+0.37；Y＝-9.60×10 -8 x 7 +6.85×10 -6 x 6 -1.99 ×10 -4 x 5 +3.07×10 -3 x 4 -2.64×10 -2 x 3 +1.21×10 -1 x 2 -2.18×10 -1 x+0.37; 叶片数量为6个，均匀分布在轮毂(2)的周向。The number of blades is 6, which are evenly distributed in the circumferential direction of the hub (2). 3.根据权利要求1所述的带有增速叶片的自保护风力提水系统，其特征在于所述叶片(1)在距离叶尖15％叶片长度的压力面上设置引流管(31)的进气孔(32)，将叶尖压力面的部分气流引至叶尖的后缘，并从叶尖后缘的引流管(31)的出气孔(33)喷出。3. The self-protection wind water lifting system with speed-increasing blades according to claim 1 is characterized in that said blade (1) is provided with a drainage pipe (31) on the pressure surface of 15% blade length away from the blade tip The air inlet hole (32) guides part of the air flow on the pressure surface of the blade tip to the trailing edge of the blade tip, and is ejected from the air outlet hole (33) of the drainage pipe (31) at the blade tip trailing edge. 4.根据权利要求3所述的带有增速叶片的自保护风力提水系统，其特征在于所述引流管(31)的数量为2个，引流管(31)的进气孔(32)设置在叶片(1)距离叶尖15％叶片长度的压力面翼型厚度最大处，叶尖后缘的引流管(31)的出气孔(33)位于同一长度的叶尖尾缘处，直径不超过叶尖尾缘厚度的50％。4. The self-protection wind water lifting system with speed-increasing blades according to claim 3, characterized in that the number of said drainage pipes (31) is 2, and the air inlet (32) of the drainage pipe (31) The pressure surface airfoil thickness of the blade (1) away from the blade tip 15% of the blade length is the largest, and the air outlet hole (33) of the drainage pipe (31) at the blade tip trailing edge is located at the same length of the blade tip trailing edge, and the diameter is different. More than 50% of the thickness of the tip trailing edge. 5.根据权利要求3或4所述的带有增速叶片的自保护风力提水系统，其特征在于所述引流管(31)为由叶片(1)的压力面贯穿叶片(1)内部至吸力面的垂直管道。5. According to claim 3 or 4, the self-protection wind water pumping system with speed-increasing blades is characterized in that the drainage pipe (31) runs through the blade (1) from the pressure surface of the blade (1) to the inside of the blade (1). Vertical piping on the suction side. 6.根据权利要求1所述的带有增速叶片的自保护风力提水系统，其特征在于所述液压调速机构包括出水压力调节缸(12)、油泵(11)、油分配器(10)、液压缸(19)、导轨圆环平台(18)、杠杆机构(16)和尾翼(7)，其中：出水压力调节缸(12)固定在塔架(27)底部，其活塞轴与油泵(11)的活塞连接，油泵(11)的油管输出端与塔架(27)上方的油分配器(10)连接，油分配器(10)与液压缸(19)连接，该液压缸(19)上端支撑导轨圆环平台(18)，杠杆机构(16)的支点位于机舱(15)的底部尖角处，杠杆机构(16)通过万向轮(17)与导轨圆环平台(18)相切。6. The self-protected wind-powered water-lifting system with speed-increasing blades according to claim 1, characterized in that the hydraulic speed-regulating mechanism includes a water outlet pressure regulating cylinder (12), an oil pump (11), and an oil distributor (10) , hydraulic cylinder (19), guide rail circular platform (18), lever mechanism (16) and empennage (7), wherein: the water outlet pressure regulating cylinder (12) is fixed on the tower (27) bottom, and its piston shaft and oil pump ( 11), the oil pipe output end of the oil pump (11) is connected with the oil distributor (10) above the tower (27), the oil distributor (10) is connected with the hydraulic cylinder (19), and the upper end of the hydraulic cylinder (19) supports Guide rail circular platform (18), the fulcrum of lever mechanism (16) is positioned at the bottom corner of nacelle (15), and lever mechanism (16) is tangent to guide rail circular platform (18) by universal wheel (17). 7.根据权利要求6所述的带有增速叶片的自保护风力提水系统，其特征在于所述液压缸(19)的数量为3个，均匀布置在塔架(27)的圆周上。7. The self-protected wind-powered water-lifting system with speed-increasing blades according to claim 6, characterized in that the number of said hydraulic cylinders (19) is three, which are evenly arranged on the circumference of the tower (27). 8.根据权利要求6或7所述的带有增速叶片的自保护风力提水系统，其特征在于所述杠杆机构(16)末端通过钢丝绳绕经导向滑轮(14)通过弹簧(13)与尾翼(7)相连。8. According to claim 6 or 7 described self-protection wind water lifting system with speed-increasing blades, it is characterized in that the end of the lever mechanism (16) winds the guide pulley (14) through the spring (13) and the end of the lever mechanism (16). Empennage (7) links to each other.
CN201410587332.4A 2014-10-28 2014-10-28 Self-protection wind-driven water lifting system with accelerating vanes Expired - Fee Related CN104343626B (en)

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CN111058997A (en) * 2020-01-16 2020-04-24 诸暨都高风能科技有限公司 Double-blade irrigateable wind motor
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CN108223290A (en) * 2016-12-10 2018-06-29 水利部牧区水利科学研究所 A kind of wind-powered water lift
CN111058997A (en) * 2020-01-16 2020-04-24 诸暨都高风能科技有限公司 Double-blade irrigateable wind motor
CN113187667A (en) * 2021-04-28 2021-07-30 水利部牧区水利科学研究所 Wind power water lifting device with variable water lifting level

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