CN201121558Y - Wind wheel of upright shaft wind motor - Google Patents

Wind wheel of upright shaft wind motor Download PDF

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Publication number
CN201121558Y
CN201121558Y CNU2007200393881U CN200720039388U CN201121558Y CN 201121558 Y CN201121558 Y CN 201121558Y CN U2007200393881 U CNU2007200393881 U CN U2007200393881U CN 200720039388 U CN200720039388 U CN 200720039388U CN 201121558 Y CN201121558 Y CN 201121558Y
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CN
China
Prior art keywords
wind
blade
wind wheel
shaft
cross
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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.)
Expired - Fee Related
Application number
CNU2007200393881U
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Chinese (zh)
Inventor
戴玉毅
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戴玉毅
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Filing date
Publication date
Application filed by 戴玉毅 filed Critical 戴玉毅
Priority to CNU2007200393881U priority Critical patent/CN201121558Y/en
Application granted granted Critical
Publication of CN201121558Y publication Critical patent/CN201121558Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/74Wind turbines with rotation axis perpendicular to the wind direction

Abstract

The utility model discloses a wind wheel of a vertical scroll windmill, which relates to the technical field of a wind energy utilizing device. The wind wheel is mainly composed of a central shaft, a centre rod and at least three vanes, and is characterized in that the vanes are cambered curved surface vanes, the vanes are provided with an arc-shaped horizontal support and a vertical axis which are arranged in the cambered curved surface, a rectangular mesh is formed between the horizontal support and the vertical axis, the position of the mesh is provided with a movable vane body and a limiting component controlling the rotation angle of the vane body. The wind wheel is installed on the vertical scroll windmill, under the function of horizontal wind power, the thrust F1, the inclined component of force F2 and the ascensional force F3 of wind are acted on the vane body alternately and synchronously, thereby generating moments of M1, M2 and M3 of the wind wheel, which rotate along the same direction, the rotation cannot stop as long as the windpower does not stop. The wind wheel converts the wind energy into electricity energy or mechanical energy ina plurality of ways, has low requirement for the starting wind speed, high utilization rate of wind energy, and wide application prospect.

Description

The wind wheel of upright shaft wind motor
Technical field
The utility model relates to a kind of wind wheel of upright shaft wind motor, belongs to Wind Power Utilization device technique field.
Background technique
Wind energy conversion system can be converted to mechanical or electrical energy with wind energy, has broad application prospects, and wind wheel is as the core component of wind energy conversion system, and the height of energy conversion efficiency is had significant effects.The wind wheel of existing upright shaft wind motor is divided into two kinds of lift-type and resistance types according to wind to the way of propelling of wind wheel.
The blade of lifting upright shaft wind mill wind wheel is similar to the wing of aircraft, utilize air flow stream out-of-date, the lift that blade produces as wing, the promotion wind wheel rotates, wind mill wind wheel blade as disclosed model utility (CN85201691) is lift-type, this type wind wheel advantage is simple in structure, and weakness is that starting wind velocity is had relatively high expectations.
The blade of resistance type vertical shaft wind power machine wind wheel is that strut rail is on the passage of air-flow, when utilizing air-flow to blow to blade, pressure difference bigger before and after blade forms thrust, the promotion wind wheel rotates, wind wheel blade as disclosed model utility (CN85108096A, CN1450263A, CN1474050A, CN2505613Y) is resistance type, this type wind wheel advantage is that the starting wind velocity requirement is lower, and weakness is that Wind Power Utilization efficient is relatively low.
A kind of resistance, the compound wind power apparatus of lift are also arranged recently, as disclosed model utility (CN200510044144.8) is the formed hollow cavity choke of wing blades on the wind wheel of being fixed in that utilizes that thin plate makes, produce thrust and promote the wind wheel rotation, its wind energy utilization is still not good enough.
The model utility content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides one kind of multiple modes to utilize wind energy, and is lower to the starting wind velocity requirement, the wind wheel of the upright shaft wind motor that Wind Power Utilization efficient is higher.
The technical solution of the utility model is: vertical shaft wind power machine wind wheel is mainly by central shaft, connecting rod be no less than 3 blade and constitute, and blade is evenly distributed along wind wheel central shaft circumferencial direction; Improvements are that described blade is the arc-shaped curved surface blade, and arcuate directions unanimity, blade is provided with arc cross-brace and the vertical shaft that is positioned at the cambered surface curved surface, form rectangular mesh between cross-brace and the vertical shaft, the grid position is provided with the bounding means of movable fan blades body and control blade rotation angle.
Further scheme is: described cross-brace is 3~9 roads, and vertical shaft is 3~9, and the grid position between adjacent transverse support and the vertical shaft is equipped with the movable fan blades body.Described movable fan blades body simultaneously is streamlined convex surface, one side is a planoconcave, the cross section is the aircraft wing type, its leading edge position becomes to be rotatably assorted with vertical shaft, and when blade was in closed state, trailing edge pointed to the wind wheel central shaft, periphery coincide with grid, and the concave and convex direction of blade is consistent with the arc shaped blade concave and convex direction, and when blade was in opening state, its median plane was perpendicular to the line of cross-brace two-end-point.Described corner bounding means is provided in a side of on the cross-brace, is positioned at the block of arc shaped blade concave surface one side, or is located at the backing pin on the vertical shaft, and movable fan blades body and backing pin cooperation place are jagged, and backing pin is positioned at breach.
The utility model is made important improvement to vertical axis wind turbine rotor blade structure and shape on the basis of prior art.
In the utility model, the movable fan blades body can be opened under the wind-force effect with closed, promptly does being not more than 180 ° horizontally rotate in arc-shaped curved surface forward face one side.When the movable fan blades body is closed, be co-located in the curved surface of arc shaped blade with vertical shaft, cross-brace, grid.When the arc-shaped curved surface blade convex surface wind-engaging masterpiece time spent, the movable fan blades body rotates and opens around it.When the cambered surface curved surface bucket concave surface wind-engaging masterpiece time spent, the movable fan blades body rotates and closure around its axle.And open and close is a process that gradually changes.
In below describing: the thrust that produced by horizontal wind-force effect calls F 1, the moment of rotation of generation is called M 1
Be subjected to movable fan blades body convex surface the component of the oblique blade leading edge direction of horizontal wind-force effect generation to call F 2, the moment of rotation of generation is called M 2
The lift that produced by horizontal wind-force effect (according to the aerodynamic force principle) calls F 3, the moment of rotation of generation is called M 3
The utility model is installed on the upright shaft wind motor, and its central shaft and arc shaped blade are perpendicular to ground.Under horizontal wind-force effect, when the arc-shaped curved surface forward face facingd the wind, movable fan blades body on it and grid were in identical (closure) state, and movable fan blades body planoconcave (arc shaped blade concave surface) is subjected to the effect of horizontal wind-force to produce thrust F 1, produce the torque M that wind wheel is rotated 1Along with the rotation of wind wheel, the movable fan blades body on the arc-shaped curved surface blade is opened by being closed into gradually, because the effect of grid upper limit spare, blade can only be opened several angle, again because the streamline-shaped of movable fan blades body convex surface makes it produce the component F of oblique blade leading edge direction 2, produce the torque M that wind wheel is rotated 2Along with being rotated further of wind wheel, arc-shaped curved surface blade convex surface facings the wind, and the movable fan blades body on it is in opening state, and wind passes through from grid, and blade is choke not, and the moment that the obstruction wind wheel of generation rotates goes to zero.But the preceding acies of movable fan blades body this moment facings the wind, and its convex surface and planoconcave are subjected to horizontal wind-force effect simultaneously, because its cross section is a wing blade, produce lift F 3, produce and M 1, M 2Equidirectional moment M 3, the central shaft that acts on wind wheel rotates wind wheel.
More than be the force-bearing situation of certain blade on the wind wheel (movable fan blades body), and wind wheel is done the time spent at horizontal wind-force, arc shaped blade alternately is subjected to the constantly thrust F of variation simultaneously on its central shaft circumference 1, component F 2With lift F 3Effect, correspondingly produced equidirectional moment M 1, M 2, M 3, promoting wind wheel and rotating around central shaft.Wind-force does not stop, and rotates more than.
In the utility model, the arc-shaped curved surface of blade itself plays the effect of going for a drive, and also can improve its wind-engaging effect under the equal radius of gyration, and the installation that helps blade coincide.The utility model is multiple mode acting in conjunction, so its Wind Power Utilization efficient is higher relatively.
The utility model compactness rational in infrastructure, movable fan blades body open and close flexibly, and blade goes for a drive and leaks out effectively, and starting wind velocity requires low, Wind Power Utilization efficient height.As mechanical energy output, the wind energy conversion system central shaft can link to each other with water pump, makes wind-power water-pumping machine.As electric energy output, the wind energy conversion system central shaft can link to each other with generator, makes wind-driven generator etc.
The utility model is specially adapted to the mountain area, grassland, the area of the few electricity of the abundant and scarce net of wind resources such as island.Wind Power Utilization does not destroy ecology, and is free from environmental pollution, and development and use have a extensive future.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 be among Fig. 1 E to partial schematic diagram (amplification).
Fig. 3 is the wind wheel operating condition schematic representation that has 4 blades.
Embodiment
Further specify the utility model embodiment below in conjunction with accompanying drawing.
Vertical shaft wind power machine wind wheel is mainly by central shaft 1, and evenly distributed axial arc-shaped curved surface blade 3 constitutes in the center along the wind wheel circumferencial direction for connecting rod 2 and 4.The size of each arc-shaped curved surface blade, degree of crook and arcuate directions are consistent, and its convex surface is all towards the wind wheel sense of rotation.Blade is provided with the arc cross-brace 4 in 4 roads and 4 vertical shaftes 6 that are parallel to central shaft, form rectangular mesh between adjacent transverse support and the vertical shaft, each grid position is provided with a movable fan blades body 5, the similar aircraft wing shape of this blade, be in forward face one side, its leading edge position becomes to be rotatably assorted with vertical shaft, cooperation place dress sliding bearing (nylon jacket) and seal ring, there is a transverse arc v notch v lower end, leading edge position, the backing pin 7 that is fixed on the vertical shaft is arranged in the breach, and blade is done freely to rotate between grid and backing pin.When closed fully, the curved surface of blade and blade matches, and trailing edge points to the wind wheel center, and periphery covers grid, and when opening fully, blade is subjected to backing pin spacing, and its median plane is basically perpendicular to cross-brace two-end-point line.
When horizontal wind-force is blown by the diagram direction of arrow, the arc shaped blade concave surface wind-engaging power effect of A position, movable fan blades body is in closed state on it, and blade is subjected to horizontal wind-force effect to produce thrust F 1, produce moment M 1, promote wind wheel and counterclockwise rotate around central shaft.
Along with wind wheel rotates, when arc shaped blade goes to the B position, movable fan blades body wind-engaging power effect and open to certain angle (movable fan blades body median plane becomes with the wind wheel radius<90 angles) gradually under bounding means control on it, movable fan blades body convex surface is subjected to the component F of horizontal wind-force 2Effect (during similar kiteflying, kite is subjected to horizontal wind-force effect and the situation of going up to the air), generation moment M 2Promoting wind wheel counterclockwise rotates around central shaft.
When arc shaped blade went to the C position, all blades were opened fully on it, arc shaped blade convex surface wind-engaging, and wind leaked from grid, produced hardly to hinder the moment that wind wheel rotates.Because blade is wing shapes, the wind-engaging power effect simultaneously of its convex surface and planoconcave produces a lift F 3, its moment M 3Promoting wind wheel counterclockwise rotates around central shaft.
When arc shaped blade went to the D position, the blade part was closed, partially opens above-mentioned thrust F 1, lift F 3All work, promote wind wheel and rotate counterclockwise around central shaft.When arc shaped blade was rotated further to the A position, blade was all closed again on it ....Above-mentioned wind wheel such as arc shaped blade are oppositely installed (arcuate directions unanimity), and then wind wheel can rotate by clockwise direction.

Claims (5)

1. the wind wheel of a upright shaft wind motor, mainly by central shaft, connecting rod be no less than 3 blade and constitute, blade is evenly distributed along wind wheel central shaft circumferencial direction, it is characterized in that described blade is the arc-shaped curved surface blade, and arcuate directions unanimity, blade is provided with arc cross-brace and the vertical shaft that is positioned at the cambered surface curved surface, forms rectangular mesh between cross-brace and the vertical shaft, and the grid position is provided with the bounding means of movable fan blades body and control blade rotation angle.
2. by the wind wheel of the described upright shaft wind motor of claim 1, it is characterized in that described cross-brace is 3~9 roads, vertical shaft is 3~9, and the grid position between adjacent transverse support and the vertical shaft is equipped with the movable fan blades body.
3. press the wind wheel of the described upright shaft wind motor of claim 1, it is characterized in that described movable fan blades body simultaneously is streamlined convex surface, one side is a planoconcave, and the cross section is the aircraft wing type, and its leading edge position becomes to be rotatably assorted with vertical shaft, when blade is in closed state, trailing edge points to the wind wheel central shaft, and periphery coincide with grid, and the concave and convex direction of blade is consistent with the arc shaped blade concave and convex direction, when blade was in opening state, its median plane was perpendicular to the line of cross-brace two-end-point.
4. by the wind wheel of the described upright shaft wind motor of claim 1, it is characterized in that described corner bounding means is provided in a side of on the cross-brace, is positioned at the block of arc shaped blade concave surface one side.
5. by the wind wheel of the described upright shaft wind motor of claim 1, it is characterized in that described corner bounding means is provided in a side of the backing pin on the vertical shaft, movable fan blades body and backing pin cooperation place are jagged, and backing pin is positioned at breach.
CNU2007200393881U 2007-06-07 2007-06-07 Wind wheel of upright shaft wind motor Expired - Fee Related CN201121558Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200393881U CN201121558Y (en) 2007-06-07 2007-06-07 Wind wheel of upright shaft wind motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200393881U CN201121558Y (en) 2007-06-07 2007-06-07 Wind wheel of upright shaft wind motor

Publications (1)

Publication Number Publication Date
CN201121558Y true CN201121558Y (en) 2008-09-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200393881U Expired - Fee Related CN201121558Y (en) 2007-06-07 2007-06-07 Wind wheel of upright shaft wind motor

Country Status (1)

Country Link
CN (1) CN201121558Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101067409B (en) * 2007-06-07 2010-09-29 戴玉毅 Vertical shaft wind power machine wind wheel
CN101520025B (en) * 2009-04-09 2011-01-05 哈尔滨工业大学 Pin limit unloading device of movable blade on vertical axis windmill
CN101825058B (en) * 2009-03-04 2011-06-29 徐金如 Hinge wind wheel
CN111637014A (en) * 2020-05-26 2020-09-08 杭州简弈科技有限公司 Mechanical automatic direction-adjusting wind power generation device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101067409B (en) * 2007-06-07 2010-09-29 戴玉毅 Vertical shaft wind power machine wind wheel
CN101825058B (en) * 2009-03-04 2011-06-29 徐金如 Hinge wind wheel
CN101520025B (en) * 2009-04-09 2011-01-05 哈尔滨工业大学 Pin limit unloading device of movable blade on vertical axis windmill
CN111637014A (en) * 2020-05-26 2020-09-08 杭州简弈科技有限公司 Mechanical automatic direction-adjusting wind power generation device
CN111637014B (en) * 2020-05-26 2021-09-03 国电电力文登风力发电有限公司 Mechanical automatic direction-adjusting wind power generation device

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080924