CN107420256A - 一种垂直轴风机 - Google Patents

一种垂直轴风机 Download PDF

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Publication number
CN107420256A
CN107420256A CN201710503863.4A CN201710503863A CN107420256A CN 107420256 A CN107420256 A CN 107420256A CN 201710503863 A CN201710503863 A CN 201710503863A CN 107420256 A CN107420256 A CN 107420256A
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China
Prior art keywords
fan blade
wind
wind wheel
guide track
points
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Pending
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CN201710503863.4A
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English (en)
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吴其兵
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Individual
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Individual
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Priority to CN201710503863.4A priority Critical patent/CN107420256A/zh
Publication of CN107420256A publication Critical patent/CN107420256A/zh
Priority to PCT/CN2018/080585 priority patent/WO2018214636A1/zh
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • 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
    • F03D3/066—Rotors characterised by their construction elements the wind engaging parts being movable relative to the rotor
    • F03D3/067—Cyclic movements
    • F03D3/068—Cyclic movements mechanically controlled by the rotor structure
    • 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
    • F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
    • 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
    • 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
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • 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

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  • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本发明提供了一种平直风叶以1：2的转速比自转的阻力型垂直轴风机，适应低风速环境；特别适合农庄等旅游景点，可直接驱动水车等大扭矩低转速动力负载，风叶可用简单的帆布结构，成本低，便于印制各种标志性文案而成为一种独特的景观传播媒介。

Description

一种垂直轴风机
技术领域
本发明涉及一种垂直轴风机。
背景技术
阻力型垂直轴风机适用于低风速环境，传统的各种垂直轴风机，单个叶片在360度旋转过程中，在一部分转角范围内存在反向力矩，整体能效低。
发明内容
本发明的目的是克服上述反向力矩，提高能效，发明一种适应低风速的结构简单的阻力型垂直轴风机。
本发明采用的技术方案是：
一个风轮上安装有1个或多个可自转的风叶，所述风叶自转转速与所述风轮转速比为1：2,即所述风轮每旋转360度，所述风叶旋转180度；所述风叶在360度旋转过程中，受风阻力均能对风轮产生同一方向的转矩。
同时，本发明采用了一种720度圆内旋轮线曲线同步导轨，当所述风轮旋转时，所述风叶底端的同步爪沿所述同步导轨运动，引导所述风叶与所述风轮按照1：2的转速比同步旋转。
所述720度圆内旋轮线曲线方程及原理如图1所示，a点、b点为所述同步爪的轴心位置，C点为所述风叶的轴心位置，O点为所述风轮的轴心位置，也是坐标原点，X、Y为平面坐标轴，a点和b点到C点的距离均为R2， C点到O点的距离为R1,C点的运动轨迹为10； a和b两点相对C点的运动轨迹为11；当C点绕O点转动时，a点和b点绕C点同步转动，转动过程中C点与O点的连线与X轴的夹角为T，a点和b点绕C点的转速与C点绕O点的转速比为1：2，a点和b点的运动轨迹为同一条720度圆内旋轮线12； a点的平面坐标值为Xa、Ya，其曲线方程为：
Xa=R1*cos(T)+R2*sin(T/2)，
Ya=R1*sin(T)-R2*cos(T/2)，
T=0~720度；
b点的平面坐标值为Xb、Yb，其曲线方程为：
Xb=R1*cos(T)-R2*sin(T/2)，
Yb=R1*sin(T)+R2*cos(T/2)，
T=0~720度；
相对的，当C点绕O点转动且a点和b点沿曲线12运动时，a点和b点绕C点的转速与C点绕O点的转速之比为1：2。
进一步的，为了提高同步爪沿同步导轨运动的稳定性，可以采用多条上述曲线错位叠加，相应的增加所述同步爪的数量。
进一步的，所述同步导轨还可采用磁性导轨，以减少摩擦，降低噪音。
所述同步导轨的作用在于约束或引导所述同步爪的运动轨迹；除此之外，现有技术可采用的导轨结构众多，不一一列举。
有益效果：
本发明提供了一种结构简单的阻力型垂直轴风机，在阻力型垂直轴风机中能效较高，适用于低风速环境；同时，本发明采用平直风叶，可适用帆布结构，成本低，特别适合农庄等旅游景点，可直接驱动水车等大扭矩低转速动力负载，还可以在风叶上印制各种标志性文案，使之成为一种独特的景观传播媒介。
附图说明
图1是720度圆内旋轮线曲线方程示意图
图2是实施例主视图
图3是图2的A向视图
图4是图2的B-B向剖视图
具体实施方式
如图2、图3、图4所示，本实施例提供了一种6个均布风叶的垂直轴风机，包括6个风叶1、12个同步爪2、风轮3、同步导轨4、动力负载5、外壳6及风向翼7。
所述同步导轨4的导轨曲线为一条720度圆内旋轮线。
所述风叶1与所述风轮3活动连接，所述风叶1可以相对所述风轮3自转；每个所述风叶1底端带有2个所述同步爪2，受所述同步导轨4约束；所述风向翼7与所述同步导轨4固定连接；所述风轮3与所述动力负载5活动连接，所述动力负载5与所述基座6固定连接。
当所述风叶1受风力驱动，随所述风轮3公转时，与所述风叶1连接的所述同步爪2沿所述同步导轨4运动，进而引导所述风叶1在随所述风轮3公转的同时，以1：2的转速比自转，即所述风叶1的自转转速与所述风轮3的转速比为1：2；所述风向翼7的平面受风力推动保持与风向平行，使与之固定连接的所述同步导轨4随风向同步转动。
以上所述，仅是本发明的较佳实施方式，并非对本发明做任何限制，凡是根据本发明实质对以上实施方式所作的任何修改、变更以及等效结构变化，均仍属于本发明技术的保护范围之内。

Claims (1)

1.一种垂直轴风机，其是由风叶（1）、同步爪（2）、风轮（3）、同步导轨（4）、动力负载（5）、基座（6）及风向翼（7）组成，其特征在于1个或多个所述风叶（1）与所述风轮（3）活动连接，所述风叶（1）可以相对所述风轮（3）自转；每个所述风叶（1）的顶端带有1个或多个所述同步爪（2），所述同步爪（2）受所述同步导轨（4）约束；所述风轮（3）与所述动力负载（5）活动连接，所述动力负载（5）与所述基座（6）固定连接，所述风向翼（7）与所述同步导轨（4）固定连接；当所述风叶（1）受风力驱动，随所述风轮（3）公转时，与所述风叶（1）连接的所述同步爪（2）沿所述同步导轨（4）运动，进而引导所述风叶（1）在随所述风轮（3）公转的同时，以1：2的转速比自转，即所述风叶（1）的自转转速与所述风轮（3）的转速比为1：2；所述风向翼（7）的平面受风力推动保持与风向平行，使与之固定连接的所述同步导轨（4）随风向同步转动。
CN201710503863.4A 2017-05-24 2017-06-28 一种垂直轴风机 Pending CN107420256A (zh)

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CN201710503863.4A CN107420256A (zh) 2017-06-28 2017-06-28 一种垂直轴风机
PCT/CN2018/080585 WO2018214636A1 (zh) 2017-05-24 2018-03-27 一种流体机械

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018214636A1 (zh) * 2017-05-24 2018-11-29 吴其兵 一种流体机械

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597918A (en) * 1969-10-06 1971-08-10 Gen Time Corp Digitally indicating clock-timer
CN1049397A (zh) * 1990-09-24 1991-02-20 韩培洲 垂直轴滚翼式风车
CN102644564A (zh) * 2011-02-22 2012-08-22 林玉斌 流体能量转换器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597918A (en) * 1969-10-06 1971-08-10 Gen Time Corp Digitally indicating clock-timer
CN1049397A (zh) * 1990-09-24 1991-02-20 韩培洲 垂直轴滚翼式风车
CN102644564A (zh) * 2011-02-22 2012-08-22 林玉斌 流体能量转换器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018214636A1 (zh) * 2017-05-24 2018-11-29 吴其兵 一种流体机械

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Application publication date: 20171201