WO2011094915A1 - 垂直轴风力发电机中风轮的支撑杆结构 - Google Patents

垂直轴风力发电机中风轮的支撑杆结构 Download PDF

Info

Publication number
WO2011094915A1
WO2011094915A1 PCT/CN2010/000960 CN2010000960W WO2011094915A1 WO 2011094915 A1 WO2011094915 A1 WO 2011094915A1 CN 2010000960 W CN2010000960 W CN 2010000960W WO 2011094915 A1 WO2011094915 A1 WO 2011094915A1
Authority
WO
WIPO (PCT)
Prior art keywords
support rod
support
wind turbine
blade
main
Prior art date
Application number
PCT/CN2010/000960
Other languages
English (en)
French (fr)
Inventor
蒋大龙
盛明凡
许金泉
Original Assignee
国能风力发电有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 国能风力发电有限公司 filed Critical 国能风力发电有限公司
Priority to EP10845000A priority Critical patent/EP2535565A1/en
Priority to JP2012551460A priority patent/JP2013519021A/ja
Priority to AU2010345243A priority patent/AU2010345243A1/en
Publication of WO2011094915A1 publication Critical patent/WO2011094915A1/zh

Links

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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • 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
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/214—Rotors for wind turbines with vertical axis of the Musgrove or "H"-type
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Definitions

  • the present invention relates to the field of wind turbine technology, and provides a vertical axis wind power generator component, and more particularly, a support rod structure of a vertical axis wind turbine middle wind turbine.
  • a wind power generator is mostly a horizontal shaft generator, and a main shaft is horizontally disposed, and a wind wheel is disposed thereon.
  • the wind turbine blades are mostly triangular in shape, small in length, and generally wind power generation.
  • the wind turbine blades of the machine extend from the hub of the wind wheel to the outer edge, which is very long, several meters, or even ten meters.
  • the applicant of the present invention has developed a blade for a vertical axis wind turbine vertical wind turbine, the blade being shaped as a vertical columnar body parallel to the axis perpendicular to the wind wheel, the horizontal section of which is the section of the aircraft wing
  • the shape i.e., the outwardly facing outer surface of the blade, is a streamlined arcuate surface that smoothly transitions between the outer side surface and the opposite inner side surface to form a larger windward end, i.e., the head of the blade and a smaller tail.
  • Such blades are disposed on the outer edge of the rotor, between the blades and the rotor hub connected to the rotating components of the generator, or A connection structure is provided between the piece and the rotating part of the generator for connecting the support rod, and the stationary part of the generator is ringed on the central tower and the corresponding part of the generator rotating part or the rotating part of the generator Correspondence of the wind wheel hub fixed.
  • the shape of the support rod affects the rotational performance of the rotor, which in turn affects the power and efficiency of the wind turbine.
  • the present invention provides a support rod structure for a wind turbine of a vertical axis wind power generator, wherein the support rod is disposed between a blade and a hub on the wind turbine of the wind power generator or a rotating component of the generator, One end of the support rod is provided with a connection structure connected to the inner side surface of the blade facing the hub, and the other end is provided with a connection structure connected to the hub or the rotating member of the generator.
  • the support rod can be a straight rod.
  • the support rod may also include a main support rod, a main three-way and two sub-support rods, and one end of the main support rod is provided with the connection fixed to the rotating member of the wind wheel hub or the generator.
  • One end of the two sub-supporting rods is provided with a connection structure fixed to the blades; the main tee is provided with three jacks, and the three jacks are disposed in the main tee in a Y-shaped relative position Inserting the other end of the main support rod into a jack on one side such that the main tee is fixedly connected to the main support rod, and the two jacks on the other side of the main tee are respectively The other end of the two sub-supporting rods is inserted and fixed, so that the sub-supporting rods are fixedly connected to the main supporting rods through the main three-way.
  • Each of the support rod and the support rod divided into two sections of the main support rod and the sub-support rod may be a rod member having an ellip
  • Two of the sub-support rods are disposed on the same horizontal surface.
  • the ratio of the long and short axes of the elliptical cross section is 1/2-3/4.
  • the ratio of the major axis to the minor axis of the ellipse is preferably 3:2.
  • the connecting structure of the support rod or the end of the main support rod connected to the rotating component of the generator is: a T-shaped connecting member is disposed at a corresponding end of the supporting rod or the main supporting rod
  • the connecting member comprises a pipe segment, the pipe cavity is matched with the shape of the support bar or the main support bar end, and one end of the pipe segment is fixed to a connecting portion, the area of which is larger than the cross section of the pipe segment, and the upper portion is provided with a connecting structure for fixedly connecting with the rotating part of the generator, inserting and fixing the end of the main supporting rod in the inner cavity of the tube; and/or
  • the connecting structure of the supporting rod or the connecting end of the main supporting rod and the inner side of the blade is: a T-shaped connecting member is disposed at an end of the supporting rod or the sub-supporting rod, and the connecting member comprises a tube segment having a lumen matching the shape of the support rod or the sub-support rod end, one end of the tube segment being fixed to a joint portion having an area larger than a cross section of the tube portion, an end surface thereof and an inner side of the vane portion
  • the shape of the face wall is matched, and the connecting portion is provided with a connecting structure for fixing on the inner side surface of the blade, and the support rod or the branch rod end is inserted and fixed in the tube inner cavity of the pipe segment.
  • the connecting structure provided on the connecting portion is a bolt hole or a screw hole, and a bolt or a screw is disposed thereon, so that one end of the support rod is fixed on the rotating part of the generator or the wheel hub, and the other end is fixed. Connected on the blade.
  • the angle between the two sub-supporting rafts is designed according to the width of the blades, and the two sub-supporting rods are disposed on the same horizontal surface such that the sub-supporting rods are connected to the same horizontal surface of the blades. Near the ends.
  • the main support rod and the sub-support rod are made of aluminum profiles.
  • Each of the connecting members and the main tee can be made of cast aluminum.
  • the aluminum profile is lightweight and, therefore, is lightweight and does not affect the rotational power and efficiency of the rotor.
  • the corresponding number of the support rods and the blades in the wind wheel is: one blade corresponds to two of the support bars, and the connection structures of the two support bars are respectively corresponding to the upper and lower ends of the blade Corresponding to the inner side surface, a connection structure is formed at the four corners of the inner side surface of the blade.
  • the corresponding number of the support rods and the blades in the wind wheel is: one blade corresponds to two or more of the support rods, and when two support rods are used, the connection of the two support rods
  • the structure respectively corresponds to the inner side surfaces of the upper and lower ends of the blade, and the connecting structure of the two points or four corners of the inner side of the blade is formed by the support rod or the partial support rod; And connecting the connecting structures of the two supporting rods to the inner side surfaces of the upper and lower ends of the blade respectively, and the inner side of the portion between the remaining supporting rod and the upper and lower ends of the blade correspond.
  • the number of support rods is related to the height of the blades, and the spacing between adjacent support rods should be able to accommodate the lower support rod and the hub of the wind turbine connected thereto, and a motor assembly is arranged between at least a part of the hub and the central shaft of the wind wheel. There must be enough space for this.
  • FIG. 1 is a schematic structural view of a wind turbine of a vertical axis wind turbine using a support rod structure provided by the present invention
  • FIG. 2 is a schematic top plan view showing a support rod structure of a wind turbine of a vertical axis wind turbine provided by the present invention
  • Figure 3 is a front view showing the structure of the supporting rod structure connecting blade and the rotating member of the generator shown in Figure 2;
  • FIG. 4 is a schematic view showing the structure of an elliptical T-shaped connecting member connecting the main support rod and the rotating member of the motor.
  • BEST MODE FOR CARRYING OUT THE INVENTION A support rod structure in a vertical axis wind turbine rotor provided by the present invention includes a support rod for a blade and a hub or a hub disposed on a wind wheel of the wind power generator Between the rotating parts of the generator, one end of the supporting rod is provided with a connecting structure connecting the inner side of the blade facing the hub, and the other end is provided with the rotation of the hub or the generator The connection structure of the component connection.
  • each support bar comprises two segments 1, 2, segment 1 is a main support bar 1, segment 2 is two sub-support bars 9, 10, and includes One main three-way 2, .
  • the main tee 2 is provided with three jacks, and the three jacks are distributed in a Y shape on the main tee, wherein one end of the main support rod 1 is inserted into one of the jacks on one side and fixedly connected to the main support ⁇ 1 , the main tee 2 'the other side of the two jacks are respectively inserted with one end of the two sub-support rods 9, 10, so that the sub-support rods 9, 10 through the main tee 2,
  • the main support rod 1 is fixedly connected to the main support rod 1, and the other end of the main support rod 1 is connected to the rotating member 7 of the generator.
  • the other end of the two sub-support rods is connected to the inner side surface of the vane 0.
  • the upper portion of the vertical columnar blade 0 is connected to one of the support rods, and the lower portion thereof is connected to the other of the support rods, and the upper and lower support rods are disposed in parallel with each other.
  • the connecting structures of the two support rods respectively correspond to the inner side surfaces of the upper and lower ends of the blade, and are formed by the support rod or the sub-support rods A two-point or four-corner connection structure on the side.
  • the two sub-support bars can be placed on the same level.
  • the main support rod 1 and the sub-support rods 9 and 10 have an elliptical cross section with a long axis in the horizontal direction.
  • the ratio of the major axis to the minor axis of the ellipse is preferably 3:2.
  • One end of the main support rod 1 in the upper support rod is fixedly connected with the rotating member 7 of the generator through an elliptical T-shaped connecting member 3'; the other end of the upper sub-support rods 9 and 10 respectively passes through an ellipse T
  • the connecting member 3 and the elliptical T-shaped connecting member 4 are connected to a fixed connection near the two ends of the upper inner side of the blade 0.
  • the connection structure of the main support rod and the sub-support rod in the lower support rod is the same as that of the upper support rod.
  • the support rod structure provided by the invention when connecting the blades, passes through the two elliptical T-shaped connectors 3, 4 on the inner surface thereof through the upper two support rods, and passes through the two elliptical T according to the sub-support rods
  • the connectors 5, 6 are fixed at four points, and the connection structure is single, but the connection is firm and stable.
  • An elliptical T-shaped connecting member 3 is disposed at the end of the main support rod 1, as shown in Fig. 4, including an elliptical tube section 31, the inner tube cavity 32 of which matches the shape of the end of the main support rod 1, and one end of the tube section 31 a fixing portion 33 having an area larger than a cross section of the pipe section, the end surface of which is matched with the shape of the outer wall of the rotating member of the generator 7, and a connecting structure, such as a bolt hole or a screw hole, is provided thereon.
  • a bolt or a screw is fixed to the rotating part of the generator, and the end of the main support rod 1 is inserted and fixed in the tube inner cavity 32 of the pipe section 31.
  • the elliptical T-shaped connector 3' has substantially the same structure except that the end face of the connecting portion matches the shape of the inner side of the blade.
  • An elliptical ⁇ -shaped connecting member is disposed at the end of the sub-supporting raft, and the sub-supporting rod end is inserted and fixed in the tube inner cavity of the tube segment.
  • the elliptical ⁇ -shaped connecting piece is fixedly connected to the blade 0 by bolts or screws.
  • the shape of the blade 0 for the vertical axis wind turbine is a vertical columnar body parallel to the vertical axis of the wind turbine, and its horizontal section is the sectional shape of the aircraft wing, ie Relative to the rotating shaft of the wind wheel, the outer surface and the windward end surface are smooth and flowing streamlined curved surfaces, and the spacing between the outer side surface and the inner side surface is gradual, and the spacing of the windward side of the blade is relatively large, along the downwind direction.
  • the pitch is gradually reduced; the horizontal sections have the same size and shape in the vertical direction of the blade.
  • the blade is disposed on the outer edge of the wind wheel, and the blade is connected with the rotating shaft of the wind wheel or the rotating component of the generator through a support rod, and the upper and lower ends of one blade 0 are connected to the two support rods, and the support on the upper side
  • the inside of the rod is connected to the rotating part of the generator 7, and the stationary part side ring of the generator is arranged on the central column 8.
  • the main support rod on the inner side of the lower support rod is connected to the hub of the wind wheel via an elliptical ⁇ -shaped joint.
  • the corresponding number of the support rods and the blades in the wind wheel may also be: one blade corresponding to the plurality of support rods, and when there are a plurality of the support rods, the two of the support rods are connected
  • the structures are respectively connected to the inner side surfaces of the upper and lower ends of the blade, and the remaining support bars correspond to the inner side surfaces of the portion between the upper and lower ends of the blade.
  • Each of the support rods has an elliptical cross section and is less subject to wind resistance. It can help the wind turbine start at low wind speed and reduce power consumption during rotation.
  • the support rod structure of the wind turbine of the vertical axis wind power generator of the present invention is used to support the wind turbine of the vertical shaft wind power generator.

Landscapes

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

Description

垂直轴风力发电机中风轮的支撑杆结构 技术领域 本发明属于风力发电机技术领域， 提供一种垂直轴风力发电机构件， 尤其是一种垂直轴风力发电机中风轮的支撑杆结构。 背景技术 在现有技术中， 风力发电机多为水平轴式发电机， 其主轴水平设置， 其上设置风轮， 风轮叶片多为大小头三角形式， 小头细长， 且通常的风力 发电机的风轮叶片从风轮的轮毂延至外缘， 很长， 有几米、 甚至十几米。 这样细长的叶片， 受到较大的风力时很容易变形， 产生共振， 在风压的作 用下也很容易折断， 因此， 这种风轮存在抗风能力差、 旋转时共振、 功率 偏低、 损坏率高等缺点。 风力发电机发展的后期， 垂直轴风力发电机越来 越显示出其效率高、 功率大和便于安装使用、 寿命长等优点。 但是， 一般 的垂直轴风力发电机都只是将发电机轴由水平位置变为垂直位置，但其上 的叶片往往还是沿用现有的水平轴发电机的风轮， 叶片仍然又长又细， 从 与发电机的转动件的连接端到风轮的外端都是叶片部分。 因此， 上述水平 轴风力发电机风轮的许多问题没有得到彻底解决。本发明的申请人研制出 一种用于垂直轴风力发电机垂直风轮的叶片，该叶片的形状为一垂直的柱 状体， 与风轮垂直的轴线平行， 其水平截面为飞机机翼的断面形状， 即叶 片朝外的外侧表面为流线形状弧面，该外侧表面与相对的内侧表面之间的 圆滑过渡， 形成较大的迎风端即叶片的头部和较小的尾部。 这种叶片设置 在风轮的外缘， 叶片与和发电机的转动部件连接的风轮轮毂之间， 或者叶 片与发电机的转动部件之间设置连接结构， 用于连接支撑杆， 而发电机的 静止部件则环设在中心的塔柱上与发电机转动部件或与发电机转动'部件 对应的所述风轮轮毂固联的对应。支撑杆的形状结构会影响到风轮的转动 性能， 继而可影响到风力发电机的功率和效率。 发明内容 本发明的目的在于提供一种用于连接垂直柱状体形的叶片和风轮轮 毂或发电机的转动件的垂直轴风力发电机中风轮的支撑杆结构，使其具有 足够的强度和刚度且阻力小， 不影响发电机的功率和效率。
本发明的目的是这样实现的：
本发明提供的垂直轴风力发电机中风轮的支撑杆结构， 其中， 所述支 撑杆用于设置在所述风力发电机中风轮上的叶片和轮毂或所述发电机的 转动部件之间，该支撑杆的一端设有与所述叶片的朝向所述轮毂的叶片内 侧面连接的连接结构，其另一端设有与所述轮毂或所述发电机的转动部件 连接的连接结构。
该支撑杆可以是一直杆。
所述支撑杆也可以是包括有一主支撑杆、 一主三通和两根分支撑杆， 所述主支撑杆的一端设有与所述风轮轮毂或发电机的转动件固定的所述 连接结构； 两根所述分支撑杆的一端设有与所述叶片固定的连接结构； 所 述主三通上设有三个插孔， 该三个插孔以 Y 形的相对位置设置在主三通 上，其中位于一侧的一个插孔中插入所述主支撑杆的另一端而使得所述主 三通固定连接在主支撑杆上，该主三通的另一侧的两个插孔中分别插设固 定两根所述分支撑杆的另一端，使得所述分支撑杆通过所述主三通与主支 撑杆固定连接。 所述支撑杆以及分成主支撑杆和分支撑杆两段的支撑杆中的各段可 以是其断面为椭圓形状的杆件， 其长轴在水平方向。
两根所述分支撑杆在同一水平面上设置。
所述椭圆形截面的长短轴的比例为 1/2-3/4。 所述椭圓的长轴和短轴 的比例优选为 3: 2。
所述支撑杆或所述主支撑杆的与所述发电机的转动部件连接一端的 所述连接结构为：在所述支撑杆或所述主支撑杆的相应的端头设置一 T形 连接件， 该连接件包括一管段， 其管腔与所述支撑杆或所述主支撑杆端头 外形相匹配， 该管段的一端固联一连接部， 其面积大于所述管段横截面， 上设有连接结构用于与发电机转动部件固定连接，在管段的该管内腔中插 设并固定所述主支撑杆端头； 和 /或，
所述支撑杆或所述主支撑杆与所述叶片内侧面连接一端的所述连接 结构为： 在所述支撑杆或所述分支撑杆的端头设置一 T形连接件， 该连接 件包括一管段， 其管腔与所述支撑杆或所述分支撑杆端头外形相匹配， 该 管段的一端固联一连接部， 其面积大于所述管段横截面， 其端面与所述叶 片的内侧面壁的形状相匹配， 该连接部上设有连接结构， 用以固联在叶片 内侧表面上， 在管段的该管内腔中插设并固定所述支撑杆或分支撑杆端 头。
所述连接部上设有的连接结构为螺栓孔或螺钉孔，其上穿设螺栓或螺 钉， 用以使得所述支撑杆的一端固联在发电机转动部件或风轮轮毂上， 另 一端固联在叶片上。
两根所述分支撑扞的夹角根据叶片的宽度设计，两根所述分支撑杆在 同一水平面上设置，使得所述分支撑杆连接在所述叶片的同一水平面上的 两端附近。
所述主支撑杆和分支撑杆为铝型材制造。各个所述连接件和主三通可 以用铸铝制造。 所述铝型材为轻质的， 因此， 其重量很轻， 不影响风轮的 转动功率和效率。
所述支撑杆与所述风轮中所述叶片的对应数量为：一个叶片与两个所 述支撑杆对应，两个该支撑杆的所述连接结构分别与所述叶片的上下两端 的所述内侧面对应， 构成与所述叶片内侧面四角的连接结构。
所述支撑杆与所述风轮中所述叶片的对应数量为：一个叶片与两个或 多个所述支撑杆对应， 当为两个该支撑杆时， 两个该支撑杆的所述连接结 构分别与所述叶片的上下两端的所述内侧面对应，通过支撑杆或所述分支 撑杆构成与所述叶片内侧面两点或四角四点的连接结构； 当为多个该支撑 杆时，其中两个该支撑杆的所述连接结构分别与所述叶片的上下两端的所 述内侧面对应连接，其余该支撑杆与所述叶片上下两端之间的部分的所述 内侧面对应。
支撑杆的数目与叶片的高度有关，相邻支撑杆之间的间距应该能够容 置下支撑杆和与之连接的风轮的轮毂，在至少一部分轮毂和风轮中心轴之 间要设置电机组件， 为此也要留有足够的空间。
本发明提供的垂直轴风力发电机中风轮的支撑杆结构，通过其合理的 主支撑杆和分支撑杆结构和材质选择， 使得其连接支撑叶片的强度、 刚度 很大， 可以允许风轮在 50米 /秒以下风力下安全运行， 不变形、 不折断， 同时， 其质量很轻， 使得风轮的启动力矩很小， 风轮可以在 2米 /秒的风 速下即可启动发电。 附图概述 图 1 为使用本发明提供的支撑杆结构的垂直轴风力发电机中风轮的 结构示意图；
图 2 为本发明提供的垂直轴风力发电机中风轮的支撑杆结构的俯视 结构示意图；
图 3为图 2所示的支撑杆结构连接叶片和发电机转动部件的主视结构 示意图；
图 4为连接主支撑杆与电机转动部件的椭圆 T形连接件的结构示意 图。 本发明的最佳实施方式 本发明提供的垂直轴风力发电机风轮中的支撑杆结构， 包括支撑杆， 所述支撑杆用于设置在所述风力发电机中风轮上的叶片和轮毂或所述发 电机的转动部件之间，该支撑杆的一端设有与所述叶片的朝向所述轮毂的 叶片内侧面连接的连接结构，其另一端设有与所述轮毂或所述发电机的转 动部件连接的连接结构。
一个具体的例子可以是， 一个风轮上支撑杆的数量是叶片数量的两 倍， 如图 2、 3所示， 一个叶片通过上下两根支撑杆连接到设于中心塔柱 8上的发电机转动部件或风轮轮毂上。 所述支撑杆可以是直杆，.更好的设 计是： 每根支撑杆包括两段 1、 2， 段 1为一主支撑杆 1、 段 2为两根分支 撑杆 9、 10 , 还包括一主三通 2， 。 主三通 2， 上设有三个插孔， 该三个 插孔以 Y形分布在主三通上， 其中位于一侧的一个插孔中插入主支撑杆 1 的一端而固定连接在主支撑扞 1上， 主三通 2 ' 另一侧的两个插孔中分别 插设固定两根分支撑杆 9、 10的一端，使得分支撑杆 9、 10通过主三通 2， 与主支撑杆 1 固定连接， 主支撑杆 1的另一端连接发电机的转动件 7 , 两 根分支撑杆的另一端与叶片 0的内侧表面连接。垂直柱状的叶片 0上部连 接一所述支撑杆， 其下部连接另一所述支撑杆， 上下两根支撑杆相互平行 设置。 当为两个该支撑杆时， 两个该支撑杆的所述连接结构分别与所述叶 片的上下两端的所述内侧面对应，通过支撑杆或所述分支撑杆构成与所述 叶片内侧面两点或四角四点的连接结构。
两根分支撑杆可以是在同一水平面上设置。
主支撑杆 1和分支撑杆 9、 10的杆截面均为椭圆形， 其长轴在水平方 向。 椭圆的长轴和短轴的比例优选为 3: 2。
上面一根支撑杆中的主支撑杆 1的一端与发电机的转动件 7通过一椭 圓 T形连接件 3 ' 固定连接； 上面一根分支撑杆 9、 10的另一端分别通过 椭圓 T形连接件 3和椭圓 T形连接件 4连接一个叶片 0上部内侧面两端附 近固定连接。下面一根支撑杆中的主支撑杆和分支撑杆的连接结构与上部 的支撑杆相同。 本发明提供的支撑杆结构， 在对叶片的连接时， 在其内表 面上通过上面两根分支撑杆通过两个椭圓 T形连接器 3、 4和下面根据分 支撑杆通过两个椭圆 T形连接器 5、 6成四点固联， 其连接结构筒单， 但 连接牢固、 稳定。
在主支撑杆 1的端头设置椭圓 T形连接件 3， 如图 4所示， 包括一椭 圆形管段 31， 其管内腔 32与主支撑杆 1端头外形相匹配， 该管段 31的 一端固联一连接部 33 , 其面积大于管段横截面， 其端面与所述发电机 7 的转动部件的外壁形状相匹配， 其上设有连接结构， 例如为螺栓孔或螺钉 孔， 其上穿设螺栓或螺钉， 用以固联在发电机转动部件上， 在管段 31 的 该管内腔 32中插设并固定主支撑杆 1端头。
连接分支撑杆与叶片内侧面的椭圆 T形连接件 3、 4、 5、 6的结构与 上述椭圓 T形连接件 3 ' 结构基本相同， 只是其中的连接部的端面是与叶 片的内侧面形状相匹配。 在所述分支撑杵的端头设置一椭圓 Τ形连接件， 在管段的该管内腔中插设并固定所述分支撑杆端头。该椭圆 Τ形连接件通 过螺栓或螺钉固定连接叶片 0。
如图 1、 2、 3所示， 用于垂直轴风力发电机的叶片 0的形状为一垂直 的柱状体，与风轮的垂直的轴线平行，其水平截面为飞机机翼的断面形状， 即相对于风轮的转轴， 其外侧表面和迎风的端面为圓滑过渡的流线型弧 面， 外侧表面和内侧表面之间的间距是渐变的， 叶片的迎风面的所述间距 较大， 沿顺风方向， 间距逐渐减小； 在叶片的垂直方向上各水平截面大小 形状相同。 这种叶片设置在风轮的外缘， 叶片与风轮转轴或者发电机的转 动部件之间是通过支撑杆连接的，一个叶片 0的上下两端连接两根所述支 撑杆， 在上的支撑杆的内侧与发电机 7的转动部件相连接， 而发电机的静 止部件侧环设在中心的塔柱 8上。在下的支撑杆的内侧的主支撑杆与风轮 的轮毂通过椭圓 Τ形连接件连接。
所述支撑杆与所述风轮中所述叶片的对应数量还可以为：一个叶片与 多个所述支撑杆对应， 当为多个该支撑杆时， 其中两个该支撑杆的所述连 接结构分别与所述叶片的上下两端的所述内侧面对应连接，其余该支撑杆 与所述叶片上下两端之间的部分的所述内侧面对应。
所述各个支撑杆为椭圆形截面， 其受风阻力小。 可有利于风轮低风速 下启动和在转动中减少功耗。 工业实用性 本发明的垂直轴风力发电机中风轮的支撑杆结构，用于支撑垂直轴风 力发电机的风轮。

Claims

权利要求
1. 一种垂直轴风力发电机中风轮的支撑杆结构， 其特征在于， 包括 支撑杆，所述支撑杆用于设置在所述风力发电机中风轮上的叶片和轮毂或 所述发电机的转动部件之间，该支撑杆的一端设有与所述叶片的朝向所述 轮毂的叶片内侧面连接的连接结构，其另一端设有与所述轮毂或所述发电 机的转动部件连接的连接结构。
2.根据权利要求 1所述的垂直轴风力发电机中风轮的支撑杆结构，其 特征在于， 所述支撑杆包括有一主支撑杵、 一主三通和两根分支撑杆， 所 述主支撑杆的一端设有与所述风轮轮毂或发电机的转动件固定的所述连 接结构； 两根所述分支撑杵的一端设有与所述叶片固定的连接结构； 所述 主三通上设有三个插孔， 该三个插孔以 Y形的相对位置设置在主三通上， 其中位于一侧的一个插孔中插入所述主支撑杆的另一端而使得所述主三 通固定连接在主支撑杆上，该主三通的另一侧的两个插孔中分别插设固定 两根所述分支撑杆的另一端，使得所述分支撑杆通过所述主三通与主支撑 杆固定连接。
3. 根据权利要求 1所述的垂直轴风力发电机中风轮的支撑杆结构， 其特征在于，所述支撑杆是其断面为椭圓形状的杆件，其长轴在水平方向。
4. 根据权利要求 2所述的垂直轴风力发电机中风轮的支撑杆结构， 其特征在于， 所述主支撑杆和 /或分支撑杆的杆截面为椭圓形， 其长轴在 水平方向设置。
5. 根据权利要求 3或 4所述的垂直轴风力发电机中风轮的支撑杆结 构， 其特征在于， 所述椭圆形截面的长短轴的比例为 1/2-3/4。
6. 根据权利要求 5所述的垂直轴风力发电机中风轮的支撑杆结构， 其特征在于， 所述椭圆的长轴和短轴的比例为 3: 2。
7. 根据权利要求 1至 4之一所述的垂直轴风力发电机中风轮的支撑 杆结构， 其特征在于， 所述支撑杆或所述主支撑杆的与所述发电机的转动 部件连接一端的所述连接结构为：在所述支撑杆或所述主支撑杆的相应的 端头设置一 T形连接件， 该连接件包括一管段， 其管腔与所述支撑杆或所 述主支撑杆端头外形相匹配， 该管段的一端固联一连接部， 其面积大于所 述管段横截面，其端面与所述风轮的轮毂或所述发电机的转动部件的外壁 形状相匹配， 其上设有连接结构用于与发电机转动部件固定连接， 在管段 的该管内腔中插设并固定所述主支撑杆端头； 和 /或，
所述支撑杆或所述分支撑杆与所述叶片内侧面连接一端的所述连接 结构为： 在所述支撑杆或所述分支撑杆的端头设置一 T形连接 ， 该连接 件包括一管段， 其管腔与所述支撑杆或所述分支撑杆端头外形相匹配， 该 管段的一端固联一连接部， 其面积大于所述管段横截面， 其端面与所述叶 片的内侧面壁的形状相匹配， 该连接部上设有连接结构， 用以固联在叶片 内侧表面上，在管段的该管内腔中插设并固定所述支撑杆或分支撑杆的所 述端头。
8. 根据权利要求 7所述的垂直轴风力发电机中风轮的支撑杆结构， 其特征在于， 所述连接部上设有的连接结构为螺栓孔或螺釘孔， 其上穿设 螺栓或螺钉，用以使得所述支撑杆的一端固联在发电机转动部件或风轮轮 毂上， 另一端固联在叶片上。
9. 根据权利要求 2所述的垂直轴风力发电机中风轮的支撑杆结构， 其特征在于， 两根所述分支撑杆在同一水平面上设置， 使得所述分支撑杆 连接在所迷叶片的同一水平面上的两端。
10.根据权利要求 1或 2所述的垂直轴风力发电机中风轮的支撑杆结 构， 其特征在于， 所述支撑杆与所述风轮中所述叶片的对应数量为： 一个 叶片与两个或多个所述支撑杆对应， 当为两个该支撑杆时， 两个该支撑杆 的所述连接结构分别与所述叶片的上下两端的所述内侧面对应，通过支撑 杆或所述分支撑杆构成与所述叶片内侧面两点或四角四点的连接结构；或 者， 当为多个该支撑杆时， 其中两个该支撑杆的所述连接结构分别与所述 叶片的上下两端的所述内侧面对应连接，其余该支撑杆与所述叶片上下两 端之间的部分的所述内侧面对应。
PCT/CN2010/000960 2010-02-08 2010-06-28 垂直轴风力发电机中风轮的支撑杆结构 WO2011094915A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10845000A EP2535565A1 (en) 2010-02-08 2010-06-28 Supporting rod structure of wind wheel in vertical axis wind power generator
JP2012551460A JP2013519021A (ja) 2010-02-08 2010-06-28 垂直軸風力発電機のローターのストラットの構造
AU2010345243A AU2010345243A1 (en) 2010-02-08 2010-06-28 Supporting rod structure of wind wheel in vertical axis wind power generator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010191140709A CN102146891A (zh) 2010-02-08 2010-02-08 垂直轴风力发电机中风轮的支撑杆结构
CN201019114070.9 2010-02-08

Publications (1)

Publication Number Publication Date
WO2011094915A1 true WO2011094915A1 (zh) 2011-08-11

Family

ID=44354869

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/000960 WO2011094915A1 (zh) 2010-02-08 2010-06-28 垂直轴风力发电机中风轮的支撑杆结构

Country Status (4)

Country Link
EP (1) EP2535565A1 (zh)
CN (1) CN102146891A (zh)
AU (1) AU2010345243A1 (zh)
WO (1) WO2011094915A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102297092A (zh) * 2011-09-01 2011-12-28 北京市拓又达科技有限公司 一种垂直轴多段式风力发电机组连接结构
CN111942737A (zh) * 2020-08-11 2020-11-17 国电联合动力技术(连云港)有限公司 一种风机叶片根部防变形工装及防变形方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015911A (en) * 1974-01-09 1977-04-05 Arthur Darvishian Higher efficiency wind motor with receptors of diminished drag characteristics
DE3425313A1 (de) * 1984-07-10 1986-01-23 Erich Herter Windturbine
DE4442861A1 (de) * 1994-12-02 1996-06-05 Raul Ernesto Verastegui Windturbine mit Drehachse im wesentlichen rechtwinklig zur Windrichtung mit variabler Geometrie
JP2005090332A (ja) * 2003-09-17 2005-04-07 Satsuki Seisakusho:Kk ダリウス形風車
CN1840896A (zh) * 2005-03-28 2006-10-04 李锋 一种立轴风能动力装置的主轴总成
EP2108822A2 (en) * 2008-02-29 2009-10-14 Hopewell Wind Power Limited Wind deflector for wind turbine and wind turbine incorporating same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101576063B (zh) * 2009-06-23 2011-05-04 吴速 风光互补一体化发电装置
CN201714567U (zh) * 2010-02-08 2011-01-19 国能风力发电有限公司 垂直轴风力发电机中风轮的支撑杆结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015911A (en) * 1974-01-09 1977-04-05 Arthur Darvishian Higher efficiency wind motor with receptors of diminished drag characteristics
DE3425313A1 (de) * 1984-07-10 1986-01-23 Erich Herter Windturbine
DE4442861A1 (de) * 1994-12-02 1996-06-05 Raul Ernesto Verastegui Windturbine mit Drehachse im wesentlichen rechtwinklig zur Windrichtung mit variabler Geometrie
JP2005090332A (ja) * 2003-09-17 2005-04-07 Satsuki Seisakusho:Kk ダリウス形風車
CN1840896A (zh) * 2005-03-28 2006-10-04 李锋 一种立轴风能动力装置的主轴总成
EP2108822A2 (en) * 2008-02-29 2009-10-14 Hopewell Wind Power Limited Wind deflector for wind turbine and wind turbine incorporating same

Also Published As

Publication number Publication date
AU2010345243A1 (en) 2012-07-05
CN102146891A (zh) 2011-08-10
EP2535565A1 (en) 2012-12-19

Similar Documents

Publication Publication Date Title
JP7030711B2 (ja) 効率を向上させた垂直軸ツインタービンを有する浮体式風力タービン
US8328516B2 (en) Systems and methods of assembling a rotor blade extension for use in a wind turbine
BRPI0808474A2 (pt) Rotor de instalação de energia eólica.
BR102015014496B1 (pt) Pá de turbina eólica e método de montagem de uma pá de turbina eólica
US20100213716A1 (en) Fluid flow energy concentrator
EP2112372A1 (en) Wind turbine with blades supported on the leeward site
US20120076656A1 (en) Horizontal Axis Logarithmic Spiral Fluid Turbine
EP2483554B1 (en) Tapered hollow helical turbine for energy transduction
CN102146880B (zh) 垂直轴风力发电机风轮的叶片结构
BR102013019977A2 (pt) Molde de ponta de pá de comprimento variável para um conjunto de ponta de uma pá de rotor de turbina eólica, método para fabricar um conjunto de ponta a partir de um molde de ponta de pá de comprimento variável e pluralidade de conjuntos de ponta fabricada a partir de um molde de ponta de pá de comprimento variável
JP5363731B2 (ja) 縦軸型タービン装置
US11867152B2 (en) Wind turbine with vertical axis of rotation of the rotor and floating wind farm comprising a plurality of such wind turbines
CN107646072B (zh) 水平轴转绳形张紧叶片流体涡轮机
JP2013519022A (ja) 高効率・ハイパワー垂直軸風力発電機
WO2011094915A1 (zh) 垂直轴风力发电机中风轮的支撑杆结构
US12110806B1 (en) Separable fluid turbine rotor
WO2014185758A1 (ru) Ветроколесо (с двумя вариантами)
CN201714567U (zh) 垂直轴风力发电机中风轮的支撑杆结构
JP2020084812A (ja) 風車用ブレードおよび風力発電装置
JP2013519021A (ja) 垂直軸風力発電機のローターのストラットの構造
WO2021177948A1 (en) Systems and methods for wind turbine blade configurations
TWI401359B (zh) 風力驅動裝置及其模組
CN203362394U (zh) 一种小型风力发电装置的叶轮组件
JP2004150314A (ja) 風車装置の設置構造
KR20100129857A (ko) 양기둥 풍차용 양면 날개판과 받침체

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10845000

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2010345243

Country of ref document: AU

WWE Wipo information: entry into national phase

Ref document number: 2010845000

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2012551460

Country of ref document: JP

ENP Entry into the national phase

Ref document number: 2010345243

Country of ref document: AU

Date of ref document: 20100628

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE