WO2014023239A1 - Balanced type vertical axis wind power generator set - Google Patents

Balanced type vertical axis wind power generator set Download PDF

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Publication number
WO2014023239A1
WO2014023239A1 PCT/CN2013/081027 CN2013081027W WO2014023239A1 WO 2014023239 A1 WO2014023239 A1 WO 2014023239A1 CN 2013081027 W CN2013081027 W CN 2013081027W WO 2014023239 A1 WO2014023239 A1 WO 2014023239A1
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Prior art keywords
bracket
column
vertical axis
blade
wind power
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PCT/CN2013/081027
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French (fr)
Chinese (zh)
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刘少忠
张维智
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惠州市三鼎能源科技有限公司
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Priority to CN201210280325.0 priority Critical
Priority to CN201210280325.0A priority patent/CN103184978B/en
Application filed by 惠州市三鼎能源科技有限公司 filed Critical 惠州市三鼎能源科技有限公司
Publication of WO2014023239A1 publication Critical patent/WO2014023239A1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D3/00Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06Rotors
    • F03D3/062Construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D3/00Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06Rotors
    • F03D3/062Construction
    • F03D3/065Construction the wind engaging parts having no movement relative to the rotor during its rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/21Rotors for wind turbines
    • F05B2240/211Rotors for wind turbines with vertical axis
    • F05B2240/214Rotors for wind turbines with vertical axis of the Musgrove or "H"-type
    • 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

Disclosed is a balanced type vertical axis wind power generator set, comprising an upright post, a wind vane driving assembly and a wind wheel set thereof, and a vertical axis rotary system, wherein the vertical axis rotary system is provided with an outer rotor permanent magnet generator, an upper upright post and a stabilization wheel; an inner stator lower shaft of the outer rotor permanent magnet generator is fixedly connected to the upper portion of the upright post; one end portion of the upper upright post is connected to an outer rotor upper end cover of the outer rotor permanent magnet generator, and a first connecting piece is fixedly connected at the end portion; one end portion of an upper bracket is fixedly connected to the first connecting piece and the other end is fixedly connected to the upper portion of a lift force type vane; one end portion of a middle bracket is connected to the outer rotor upper end cover of the outer rotor permanent magnet generator and the other end portion of the middle bracket is fixedly connected to the middle portion of the lift force type vane; one end portion of a lower bracket is connected to an outer rotor lower end cover of the outer rotor permanent magnet generator via a second connecting piece and the other end portion of the lower bracket is fixedly connected to the lower portion of the lift force type vane; and the stabilization wheel is connected to the lower end of the second connecting piece, and a rotating portion of the stabilization wheel is arranged beside the upright post. The balanced type vertical axis wind power generator set is able to improve stability and balance, and has the advantages of a simple structure, low comprehensive costs and ease of maintenance.

Description

一种平衡式垂直轴风力发电机组  Balanced vertical axis wind turbine 技术领域  Technical field

本发明涉及垂直轴风力发电机组技术,特别是涉及一种平衡式垂直轴风力发电机组。  The present invention relates to vertical axis wind turbine technology, and more particularly to a balanced vertical axis wind turbine.

背景技术  Background technique

风力发电已有一百五十多年的历史,科学家在分析了大气环流模型之后发现,大气低层的对流气团所包含的风能是非常巨大的,是人类可利用且取之不尽、用之不竭的再生能源之一。因此,在人类面临逐渐加剧的能源危机的情况下,对于风力发电的研究开发也就越来越具有重大和深远的现实意义了。在一些发达国家,如美国、荷兰、丹麦、法国、德国、意大利等国,风力发电在其国内的电力结构中已起到了举足轻重的作用。而在我国,只有少数地区,如新疆、内蒙、甘肃、广东的南澳及汕尾红海湾、福建的漳州东山岛等地设有风力发电站,其总装机容量还不到62000MW,占我国电力结构比率不及3%。 Wind power generation has a history of more than 150 years. After analyzing the atmospheric circulation model, scientists found that the wind energy contained in the low-level convective air mass is very huge, and it is available to humans and is inexhaustible. One of the exhaustive renewable energy sources. Therefore, in the case of human beings facing an increasingly energy crisis, the research and development of wind power generation has become more and more significant and far-reaching. In some developed countries, such as the United States, the Netherlands, Denmark, France, Germany, Italy and other countries, wind power has played a pivotal role in its domestic power structure. In China, only a few regions, such as Xinjiang, Inner Mongolia, Gansu, Guangdong, South Australia and Shanwei Red Bay, and Fujian's Zhangzhou Dongshan Island, have wind power plants with a total installed capacity of less than 62,000 MW, accounting for China's power structure ratio. Less than 3%.

现有技术中,现有技术中,垂直轴风力发电机可分为两种主要类型:一类是 利用翼型结构的升力做功的升力型 垂直轴 风 力发电 机 , 最典型的是达里厄 (Darrieus) 型风力 发电 机,而许 多生产厂家的垂直轴风力发电机的制造技术都是依该翼型结构的运转原理的基础上作出一些改进的技术;另一类是阻力型垂直轴风力发电机,其原型结构是由风杯式测风仪的结构演变而来的,其原理就是利用风叶水平旋转时正反两面对风的阻力差来做功。 In the prior art, in the prior art, vertical axis wind turbines can be divided into two main types: one is a lift type vertical shaft that uses the lift of the airfoil structure to perform work. Wind power generators, most typically Darrieus type wind turbines, The manufacturing technology of multi-manufacturer vertical axis wind turbines is based on the operating principle of the airfoil structure; the other is the resistance vertical axis wind turbine, the prototype structure is the wind cup The structure of the wind gauge evolved, and the principle is to use the resistance difference between the front and the back of the wind when the wind blade rotates horizontally.

升力型垂直轴风力发电机在正常运转时风能利用率可高达42 %,但存在以下缺陷: 在低风速状态时,受力面积较小,所产生的起动扭矩小,在自然条件下起动通常需要四级或者四级以上风的风力驱动才能实现起动,由此使得对于大中型风力发电机通常需另配电动机辅助起动装置强制驱动起动,从而使得整机结构复杂,成本增高;而且在低风速阵风时功耗也比较大。 The lift-type vertical-axis wind turbine can use up to 42% of wind energy during normal operation, but has the following drawbacks: In the low wind speed state, the force area is small, and the starting torque generated is small. Starting under natural conditions usually requires four or more winds of wind to drive, so that for large and medium wind turbines A motor-assisted starting device is required to be forced to start, which makes the structure of the whole machine complicated and costly; and the power consumption is relatively large at low wind speed gusts.

阻力型垂直轴风力发电机,其风轮可以获得较大的起动力矩; 但 受其结构影响,导致围绕着风轮产生侧向推力,使得风轮转速较低。 Resistance vertical axis wind turbine, the wind wheel can obtain a larger starting torque; Affected by its structure, the lateral thrust is generated around the wind wheel, so that the speed of the wind wheel is low.

因而现有技术中的垂直轴风力发电机通常都是适用于中、小功率的风力发电机,对其风轮叶片的结构形式,人们虽然不断作出一些新的改进,但这类改进往往都是仅限于其中一些局部结构的某些方面的改进,由此导致这类垂直轴风力发电机仍然同样存在以上缺陷,所作改进技术仍然不够全面,特别是在成本上及风叶结构的变形问题上也仍然难于取得实质性突破,因此风能利用效率及综合成本仍然是不够理想的。 Therefore, the vertical axis wind turbines in the prior art are generally suitable for medium and small power wind turbines. Although the structure of the wind turbine blades is continuously improved, some improvements are often made. It is limited to the improvement of some aspects of some of the partial structures, and thus the vertical axis wind turbines still have the above defects, and the improvement technique is still not comprehensive enough, especially in terms of cost and deformation of the blade structure. It is still difficult to achieve a substantial breakthrough, so wind energy utilization efficiency and overall cost are still not ideal.

中国发明专利(专利号为: ZL201020209996.4公开了一种'轨道式大型垂直轴风力发电机组',其结构主要为: 叶片为升力型叶片,该叶片固定于风叶支架,风叶支架连接于回转系统。通过 采用较为稳固的回转系统,以提高叶片强度,使之能够抵御较大台风,以适用于大、中型的风力发电机。 Chinese invention patent (patent number: ZL201020209996.4 discloses a 'rail-type large vertical axis wind turbine', whose structure is mainly: The blade is a lift type blade, the blade is fixed to the blade bracket, and the blade bracket is connected to the swing system. by A more stable slewing system is used to increase the strength of the blade so that it can withstand large typhoons for large and medium-sized wind turbines.

但是上述专利又存在着以下问题:如升力型叶片在运动过程中出现离心力不平衡,易导致叶片出现 歪斜及扭曲的现象;而且,风叶支架及整体结构较为复杂,使得该 轨道式大型垂直轴风力发电机组材料消耗较大,综合制造成本较高,且 不易维护,也不利于工业化生产及微小型 风力发电机组市场的推广应用 。 However, the above patents have the following problems: if the lift type blade has a centrifugal force imbalance during the movement, it is easy to cause the blade to appear. Skewed and twisted phenomenon; moreover, the blade bracket and the overall structure are more complicated, which makes the rail-type large vertical-axis wind turbine generator consume more material, and the overall manufacturing cost is higher, and It is not easy to maintain, and it is not conducive to industrial production and the promotion and application of the micro-wind turbine market.

因此,针对现有技术中的存在问题,亟需提供一种能够提高稳定性及平衡性,且结构简单、综合成本低、易于维护,有 利于工业化生产及大中型 风力发电机组市场的推广应用的垂直轴风力发电机组的技术显得尤为重要。 Therefore, in view of the existing problems in the prior art, it is urgent to provide a system that can improve stability and balance, has a simple structure, low comprehensive cost, and is easy to maintain. The technology of vertical-axis wind turbines, which is advantageous for industrial production and the promotion of large and medium-sized wind turbines, is particularly important.

发明内容  Summary of the invention

本发明的目的在于避免现有技术中的不足之处而提供一种能够提高稳定性及平衡性,且结构简单、综合成本低、易于维护的垂直轴风力发电机组。 The object of the present invention is to provide a vertical axis wind turbine generator which can improve stability and balance, has a simple structure, low comprehensive cost, and is easy to maintain, in order to avoid the deficiencies in the prior art.

本发明的目的通过以下技术方案实现: The object of the invention is achieved by the following technical solutions:

提供一种平衡式垂直轴风力发电机组,包括有立柱以及位于所述立柱的风叶驱动总成,所述风叶驱动总成包括有风轮组和垂直立轴回转系统,所述风轮组设置有 两个或者两个以上的 升力型叶片和对应设置于所述垂直立轴回转系统的 两个或者两个以上的 风叶支架, 所述风叶支架包括有上支架、中支架和下支架,其特征在于: A balanced vertical axis wind power generator is provided, including a column and a blade drive assembly at the column, the blade drive assembly including a wind wheel set and a vertical vertical axis swivel system, the wind wheel set Have Two or more lift-type blades and two or more blade brackets corresponding to the vertical vertical axis slewing system, The blade bracket includes an upper bracket, a middle bracket and a lower bracket, and is characterized by:

所述垂直立轴回转系统设置有外转子永磁发电机、上立柱和稳定轮; The vertical vertical axis rotary system is provided with an outer rotor permanent magnet generator, an upper column and a stabilizing wheel;

所述外转子永磁发电机的与内定子相连的下轴固定连接于所述立柱上部; a lower shaft of the outer rotor permanent magnet generator connected to the inner stator is fixedly connected to an upper portion of the column;

所述上立柱一端部与所述外转子永磁发电机的与外转子相连的上端盖连接,所述上立柱固定连接设置有第一连接件; One end of the upper column is connected to an upper end cover of the outer rotor permanent magnet generator connected to the outer rotor, and the upper column is fixedly connected with a first connecting member;

所述上支架一端部与所述第一连接件固定连接,所述上支架另一端与所述升力型叶片的上部固定连接; One end of the upper bracket is fixedly connected to the first connecting member, and the other end of the upper bracket is fixedly connected to an upper portion of the lift type blade;

所述中支架一端部与所述外转子永磁发电机的与外转子相连的上端盖连接,所述中支架另一端部与所述升力型叶片的中部固定连接; One end of the middle bracket is connected to an upper end cover of the outer rotor permanent magnet generator connected to the outer rotor, and the other end of the middle bracket is fixedly connected with a middle portion of the lift type blade;

所述下支架一端部通过第二连接件与所述外转子永磁发电机的与外转子相连的下端盖连接,所述下支架另一端部与所述升力型叶片的下部固定连接; One end of the lower bracket is connected to a lower end cover of the outer rotor permanent magnet generator connected to the outer rotor by a second connecting member, and the other end of the lower bracket is fixedly connected with a lower portion of the lift type blade;

所述稳定轮与所述第二连接件的下端相接,并且所述稳定轮的转动部设置于所述立柱旁侧。 The stabilizing wheel is in contact with a lower end of the second connecting member, and a rotating portion of the stabilizing wheel is disposed on a side of the column.

其中, 所述上支架、所述中支架、所述下支架分别位于所述升力型叶片均匀分布等距设置,且所述中支架与所述升力型叶片连接处位于所述升力型叶片的水平中心线。 among them, The upper bracket, the middle bracket, and the lower bracket are respectively disposed at an evenly spaced equidistant arrangement of the lift type blades, and the joint between the middle bracket and the lift type blade is located at a horizontal center line of the lift type blade .

其中,所述上支架、所述中支架和所述下支架相互平行设置。 Wherein, the upper bracket, the middle bracket and the lower bracket are arranged parallel to each other.

其中,所述上支架一端部、所述中支架一端部、所述下支架一端部分别与所述升力型叶片焊接连接。 The one end portion of the upper bracket, the one end portion of the middle bracket, and the one end portion of the lower bracket are respectively welded and connected to the lift type blade.

其中,所述第二连接件设置为套筒结构的第二连接件,所述第二连接件两端设置有法兰部,所述第二连接件的一端所述法兰部与所述下端盖连接,所述第二连接件另一端所述法兰部分别与所述下支架和 所述稳定轮 连接。 Wherein the second connecting member is disposed as a second connecting member of the sleeve structure, the two ends of the second connecting member are provided with a flange portion, and one end of the second connecting member is the flange portion and the lower end a cover connection, the flange portion of the other end of the second connecting member and the lower bracket and The stabilizing wheel is connected.

其中, 所述升力型叶片的上部和/或下部设置有延伸部。 Wherein, the upper portion and/or the lower portion of the lift type blade is provided with an extension portion.

其中, 所述上端盖设置有与 所述上立柱同轴线的短轴,所述上立柱与所述短轴法兰连接。 Wherein, the upper end cover is provided with a short shaft coaxial with the upper column, and the upper column is connected to the short shaft flange.

其中,所述上立柱上端部设置有灯柱。 Wherein, the upper column of the upper column is provided with a lamp post.

其中,所述中支架的厚度大于或者等于所述上支架的厚度和/或所述下支架的厚度。 Wherein the thickness of the middle bracket is greater than or equal to the thickness of the upper bracket and/or the thickness of the lower bracket.

其中,所述稳定轮包括有稳定轮支架、滚轮和轴承,所述稳定轮支架与所述第二连接件的下端固定连接,所述轴承内圈与所述稳定轮支架的轴承轴连接,所述轴承外圈与所述滚轮的轴承孔连接,所述滚轮外圆周与所述立柱在正常工况相离,所述滚轮外圆周与所述立柱在侧风突变工况相触。 Wherein the stabilizing wheel comprises a stabilizing wheel bracket, a roller and a bearing, the stabilizing wheel bracket is fixedly connected with a lower end of the second connecting member, and the bearing inner ring is connected with a bearing shaft of the stabilizing wheel bracket, The outer ring of the bearing is connected with the bearing hole of the roller, and the outer circumference of the roller is separated from the column in a normal working condition, and the outer circumference of the roller is in contact with the column in a crosswind sudden change condition.

本发明的有益效果: The beneficial effects of the invention:

一种平衡式垂直轴风力发电机组,由于包括有立柱以及位于立柱的风叶驱动总成,风叶驱动总成包括有风轮组和垂直立轴回转系统,风轮组设置有 两个或者两个以上的 升力型叶片和对应设置于垂直立轴回转系统的 两个或者两个以上的 风叶支架, 风叶支架包括有上支架、中支架和下支架,垂直立轴回转系统设置有外转子永磁发电机、上立柱和稳定轮;外转子永磁发电机的与内定子相连的下轴固定连接于立柱上部;上立柱一端部与外转子永磁发电机的与外转子相连的上端盖连接,上立柱固定连接设置有第一连接件;上支架一端部与第一连接件固定连接,上支架另一端与升力型叶片的上部固定连接;中支架一端部与外转子永磁发电机的与外转子相连的上端盖连接,中支架另一端部与升力型叶片的中部固定连接;下支架一端部通过第二连接件与外转子永磁发电机的与外转子相连的下端盖连接,下支架另一端部与升力型叶片的下部固定连接;稳定轮与第二连接件的下端相接,并且稳定轮的转动部设置于立柱旁侧。 A balanced vertical-axis wind turbine generator includes a wind wheel set and a vertical vertical axis rotary system, and the wind wheel set is provided with two or two, since the column includes the column and the blade drive assembly located in the column Above Lifting blades and two or more blade brackets corresponding to vertical vertical axis slewing systems, The blade bracket includes an upper bracket, a middle bracket and a lower bracket, and the vertical vertical axis rotation system is provided with an outer rotor permanent magnet generator, an upper column and a stabilizer wheel; the lower shaft of the outer rotor permanent magnet generator connected to the inner stator is fixedly connected to An upper end of the upper column is connected with an upper end cover of the outer rotor permanent magnet generator connected to the outer rotor, and the upper column is fixedly connected with a first connecting member; one end of the upper bracket is fixedly connected with the first connecting member, and the upper bracket is additionally connected One end is fixedly connected with the upper part of the lift type blade; one end of the middle bracket is connected with the upper end cover of the outer rotor permanent magnet generator connected to the outer rotor, and the other end of the middle bracket is fixedly connected with the middle of the lift type blade; The second connecting member is connected to the lower end cover of the outer rotor permanent magnet generator connected to the outer rotor, and the other end of the lower bracket is fixedly connected with the lower portion of the lift type blade; the stabilizing wheel is connected with the lower end of the second connecting member, and the stabilizing wheel The rotating portion is disposed on the side of the column.

由此,通过采用中支架承重,同时以上支架、中支架和下支架约束升力型叶片,上支架和下支架位于中支架的两侧,且对应与外转子永磁发电机的外转子连接,使得升力型叶片在高速运转时,上支架和下支架能够提供必要的约束,并且使升力型叶片的上部和下部受力平衡,以同步驱动外转子永磁发电机的外转子并输出电流,从而提高了系统稳定性 及平衡性 ,而稳定轮的设置能够提高风力发电机的抗摆性能,使风力发电机组运行平稳;与此同时,还精简了零部件,降低了制造成本,且便于安装及维护。 Thus, by adopting the middle bracket bearing, while the upper bracket, the middle bracket and the lower bracket constrain the lift type blade, the upper bracket and the lower bracket are located on both sides of the middle bracket, and are correspondingly connected with the outer rotor of the outer rotor permanent magnet generator, so that When the lift type blade is running at high speed, the upper bracket and the lower bracket can provide the necessary restraint, and the upper and lower portions of the lift type blade are balanced to synchronously drive the outer rotor of the outer rotor permanent magnet generator and output current, thereby improving System stability And balance, and the setting of the stability wheel can improve the anti-swing performance of the wind turbine and make the wind turbine run smoothly; at the same time, it also streamlines the components, reduces the manufacturing cost, and is easy to install and maintain.

附图说明  DRAWINGS

利用附图对本发明作进一步说明,但附图中的实施例不构成对本发明的任何限制。 The invention is further illustrated by the drawings, but the embodiments of the drawings are not to be construed as limiting the invention.

图1是本发明的一种平衡式垂直轴风力发电机组的结构示意图。 1 is a schematic view showing the structure of a balanced vertical-axis wind power generator of the present invention.

图2是图1中的'A--A'结构示意图。 Figure 2 is a schematic view of the structure of 'A--A' in Figure 1.

图3是本发明的一种平衡式垂直轴风力发电机组的稳定轮部分的局部放大结构示意图。 3 is a partially enlarged schematic view showing a stabilizing wheel portion of a balanced vertical-axis wind power generator of the present invention.

在图1、图2、图3中包括有: In Fig. 1, Fig. 2 and Fig. 3, there are included:

1 --立柱、2--上支架、3--中支架、4--下支架、 1 -- column, 2-- upper bracket, 3-- middle bracket, 4-- lower bracket,

5 --外转子永磁发电机、6--升力型叶片、7--延伸部、8--灯柱、 5 -- outer rotor permanent magnet generator, 6 - lift type blade, 7 - extension, 8 - lamp post,

9 --上立柱、10--第一连接件、11--第二连接件、12--稳定轮、 9 -- upper column, 10 - first connector, 11 - second connector, 12 - stability wheel,

121 --稳定轮支架、122--滚轮、123--轴承。 121 -- Stabilization wheel bracket, 122 - roller, 123 - bearing.

具体实施方式  detailed description

结合以下实施例对本发明作进一步详细描述: The present invention is further described in detail in conjunction with the following examples:

实施例1 Example 1

本发明的一种平衡式垂直轴风力发电机组,如图1、图2和图3所示: A balanced vertical axis wind turbine of the present invention is shown in Figures 1, 2 and 3:

包括有立柱1以及位于立柱1的风叶驱动总成,风叶驱动总成包括有风轮组和垂直立轴回转系统,风轮组设置有 两个或者两个以上的 升力型叶片6和对应设置于垂直立轴回转系统的 两个或者两个以上的 风叶支架, 风叶支架包括有上支架2、中支架3和下支架4,其中: The utility model comprises a column 1 and a blade drive assembly located in the column 1. The blade drive assembly comprises a wind wheel set and a vertical vertical axis rotary system, and the wind wheel set is provided Two or more lift type blades 6 and two or more blade brackets corresponding to the vertical vertical axis slewing system, the blade bracket includes an upper bracket 2, a middle bracket 3 and a lower bracket 4, wherein:

垂直立轴回转系统设置有外转子永磁发电机5、上立柱9和稳定轮12; The vertical vertical axis rotation system is provided with an outer rotor permanent magnet generator 5, an upper column 9 and a stabilizing wheel 12;

外转子永磁发电机5的与内定子相连的下轴固定连接于立柱1上部; The lower shaft of the outer rotor permanent magnet generator 5 connected to the inner stator is fixedly connected to the upper portion of the column 1;

上立柱9一端部与外转子永磁发电机5的与外转子相连的上端盖连接,上立柱9固定连接设置有第一连接件10; The upper end of the upper column 9 is connected to the upper end of the outer rotor permanent magnet generator 5 connected to the outer rotor, the upper column 9 is fixedly connected with a first connecting member 10;

上支架2一端部与第一连接件10固定连接,上支架2另一端与升力型叶片6的上部固定连接; One end of the upper bracket 2 is fixedly connected with the first connecting member 10, and the other end of the upper bracket 2 is fixedly connected with the upper portion of the lift type blade 6;

中支架3一端部与外转子永磁发电机5的与外转子相连的上端盖连接,中支架3另一端部与升力型叶片6的中部固定连接; One end of the middle bracket 3 is connected to the upper end cover of the outer rotor permanent magnet generator 5 connected to the outer rotor, and the other end of the middle bracket 3 is fixedly connected with the middle of the lift type blade 6;

下支架4一端部通过第二连接件11与外转子永磁发电机5的与外转子相连的下端盖连接,下支架4另一端部与升力型叶片6的下部固定连接; One end of the lower bracket 4 is connected to the lower end cover of the outer rotor permanent magnet generator 5 connected to the outer rotor through the second connecting member 11, and the other end of the lower bracket 4 is fixedly connected with the lower portion of the lift type blade 6;

稳定轮12与第二连接件11的下端相接,并且稳定轮的11转动部设置于立柱旁侧。 The stabilizing wheel 12 is in contact with the lower end of the second connecting member 11, and the rotating portion of the stabilizing wheel 11 is disposed on the side of the column.

通过采用中支架3承重,同时以上支架2、中支架3和下支架4约束升力型叶片6,上支架2和下支架4位于中支架3的两侧,且对应与外转子永磁发电机的外转子连接,使得升力型叶片6在高速运转时,上支架2和下支架4能够提供必要的约束,并且使升力型叶片6的上部和下部受力平衡,以同步驱动外转子永磁发电机5的外转子并输出电流,从而提高了系统稳定性 及平衡性 ,而稳定轮12的设置能够提高风力发电机的抗摆性能,使风力发电机组运行平稳;与此同时,还精简了零部件,降低了制造成本,且便于安装及维护。 By adopting the middle bracket 3 to bear the weight, while the above bracket 2, the middle bracket 3 and the lower bracket 4 constrain the lift type blade 6, the upper bracket 2 and the lower bracket 4 are located on both sides of the middle bracket 3, and correspond to the outer rotor permanent magnet generator The outer rotor is connected such that the upper bracket 2 and the lower bracket 4 can provide the necessary restraint when the lift type vane 6 is operated at a high speed, and the upper and lower portions of the lift type vane 6 are balanced by force to synchronously drive the outer rotor permanent magnet generator 5 outer rotor and output current, which improves system stability And balance, and the setting of the stabilizing wheel 12 can improve the anti-swing performance of the wind turbine and make the wind turbine run smoothly; at the same time, the components are reduced, the manufacturing cost is reduced, and the installation and maintenance are convenient.

具体的, 上支架2、中支架3、下支架4可以分别位于升力型叶片6均匀分布等距设置,且中支架3与升力型叶片6连接处位于升力型叶片6的水平中心线。以使 上支架2、 中支架3 和下支架对升力型叶片6的约束更加均匀,使升力型叶片6运行更为平稳。 specific, The upper bracket 2, the middle bracket 3, and the lower bracket 4 may be uniformly disposed equidistantly disposed on the lift type vane 6, and the joint between the middle bracket 3 and the lift type vane 6 is located at a horizontal center line of the lift type vane 6. To make the upper bracket 2, the middle bracket 3 The restraint of the lift type blade 6 is more uniform with the lower bracket, so that the lift type blade 6 runs more smoothly.

而且,上支架2、中支架3和下支架4还可以相互平行设置。以便于安装定位。 Moreover, the upper bracket 2, the middle bracket 3, and the lower bracket 4 may also be disposed in parallel with each other. To facilitate installation and positioning.

具体的,上支架2一端部、中支架3一端部、下支架4一端部分别与升力型叶片6焊接连接。采用焊接连接结构,固定性能更好。 Specifically, one end of the upper bracket 2, one end of the middle bracket 3, and one end of the lower bracket 4 are respectively welded to the lift type blade 6 . With welded joint structure, the fixing performance is better.

具体的,第二连接件11可以设置为套筒结构的第二连接件11,第二连接件11两端设置有法兰部,第二连接件11的一端法兰部与外转子永磁发电机5的 与外转子相连的 下端盖连接,第二连接件11另一端法兰部分别与下支架4和 稳定轮12 连接。 Specifically, the second connecting member 11 can be disposed as a second connecting member 11 of the sleeve structure, the two ends of the second connecting member 11 are provided with a flange portion, and the flange portion of the second connecting member 11 and the outer rotor are permanent magnetized The connection of the machine 5 to the outer rotor The lower end cover is connected, and the other end flange portion of the second connecting member 11 is connected to the lower bracket 4 and the stabilizing wheel 12, respectively.

当升力型叶片6受力转动,带动上支架2、中支架3和下支架4转动,一起驱动外转子永磁发电机5的外转子转动切割磁力线,驱动外转子永磁发电机5运转输出电流。 When the lift type blade 6 is rotated by force, the upper bracket 2, the middle bracket 3 and the lower bracket 4 are rotated, and the outer rotor of the outer rotor permanent magnet generator 5 is driven to rotate the cutting magnetic line to drive the output current of the outer rotor permanent magnet generator 5 .

实施例2 Example 2

本发明的一种平衡式垂直轴风力发电机组,如图1和图2所示,本实施例的主要技术方案与实施例1基本相同,在本实施例中未作解释的特征,采用实施例1中的解释,在此不再进行赘述。本实施例与实施例1的区别在于: 升力型叶片6的上部和/或下部设置有延伸部7。上部和/或下部都增加延伸部7,以提高升力型叶片6的受风受力面积,提高发电效率,特别是升力型叶片6的下部设置有延伸部7,可以使升力型叶片6的重心下降,有效地提高了风力发电机组的抗摆能力,使运转更为平稳。 As shown in FIG. 1 and FIG. 2, the main technical solution of the present embodiment is basically the same as that of the first embodiment, and the features that are not explained in the embodiment are used in the embodiment. The explanation in 1 will not be repeated here. The difference between this embodiment and Embodiment 1 is that: The upper portion and/or the lower portion of the lift type blade 6 is provided with an extension portion 7. The extension portion 7 is added to the upper portion and/or the lower portion to increase the wind receiving area of the lift type blade 6, and the power generation efficiency is improved. In particular, the lower portion of the lift type blade 6 is provided with the extension portion 7, and the center of gravity of the lift type blade 6 can be made. The decline effectively improves the anti-swing capability of the wind turbine and makes the operation more stable.

具体的,升力型叶片6的上部和下部均可以设置有延伸部7。 Specifically, the upper portion and the lower portion of the lift type blade 6 may be provided with an extension portion 7.

而且,延伸部7还可以设置为长度大于或者等于上支架2与中支架3、中支架3与下支架4位于与升力型叶片6连接处之间的间距。以进一步提高升力型叶片的受风受力面积,提高发电效率,特别是升力型叶片的下部设置有较长的延伸部可以使升力型叶片的重心进一步下降,更为有效地提高风力发电机组的抗摆能力,使运转更为平稳。 Moreover, the extension 7 can also be arranged to have a length greater than or equal to the spacing between the upper bracket 2 and the middle bracket 3, the middle bracket 3 and the lower bracket 4 at the junction with the lift blade 6. In order to further improve the wind receiving area of the lift type blade and improve the power generation efficiency, especially the lower extension portion of the lift type blade can further reduce the center of gravity of the lift type blade, thereby more effectively improving the wind power generating unit. Anti-swing ability makes the operation more stable.

具体的,升力型叶片可以设置为横截面呈翼型形状的升力型叶片。以使升力型叶片的流体性能更好,阻力更小,运转效率更高。 Specifically, the lift type blade may be provided as a lift type blade having an airfoil shape in cross section. In order to make the lift type of the blade better fluid performance, less resistance and higher operating efficiency.

实施例3 Example 3

本发明的一种平衡式垂直轴风力发电机组,如图1所示,本实施例的主要技术方案与实施例1或者实施例2基本相同,在本实施例中未作解释的特征,采用实施例1或者实施例2中的解释,在此不再进行赘述。本实施例与实施例1或者实施例2的区别在于:外转子永磁发电机5的 上端盖可以设置有与 上立柱9同轴线的短轴,上立柱9与短轴法兰连接。以便于安装上立柱。 As shown in FIG. 1 , the main technical solution of the present embodiment is basically the same as that of Embodiment 1 or Embodiment 2, and features not explained in this embodiment are implemented. The explanation in Example 1 or Embodiment 2 will not be repeated here. The difference between this embodiment and Embodiment 1 or Embodiment 2 is that the outer rotor permanent magnet generator 5 The upper end cap may be provided with a short shaft coaxial with the upper column 9, and the upper column 9 is connected to the short shaft flange. In order to install the upper column.

具体的,上立柱9上端部还可以设置有灯柱8。以利于能够广泛应用于路灯,航标灯,河道导航,高空警示灯等照明或者警示场合。使之更为节能环保,应用范围更广。 Specifically, the upper column 9 can also be provided with a lamp post 8 at the upper end. In order to be widely used in street lighting, navigation lights, river navigation, high-altitude warning lights and other lighting or warning occasions. Make it more energy-saving and environmentally friendly, and have a wider range of applications.

实施例4 Example 4

本发明的一种平衡式垂直轴风力发电机组,如图1所示,本实施例的主要技术方案与实施例1或者实施例2或者实施例3基本相同,在本实施例中未作解释的特征,采用实施例1或者实施例2或者实施例3中的解释,在此不再进行赘述。本实施例与实施例1或者实施例2或者实施例3的区别在于:中支架3的厚度大于或者等于上支架2的厚度和/或下支架4的厚度。 As shown in FIG. 1 , the main technical solution of the present embodiment is basically the same as that of Embodiment 1 or Embodiment 2 or Embodiment 3, which is not explained in this embodiment. The features in Embodiment 1 or Embodiment 2 or Embodiment 3 are not described herein again. The difference between this embodiment and Embodiment 1 or Embodiment 2 or Embodiment 3 is that the thickness of the middle bracket 3 is greater than or equal to the thickness of the upper bracket 2 and/or the thickness of the lower bracket 4.

具体的,上支架2的厚度和下支架4的厚度设置为相同,中支架3的厚度设置为上支架2的厚度或者下支架4的厚度的1.5倍。由于中支架3起到主要的承重作用,因此设置中支架3的厚度较大,可以使承重能力更强,以进一步提高风力发电机组的稳定性和安全性。 Specifically, the thickness of the upper bracket 2 and the thickness of the lower bracket 4 are set to be the same, and the thickness of the middle bracket 3 is set to be 1.5 times the thickness of the upper bracket 2 or the thickness of the lower bracket 4. Since the middle bracket 3 plays a major load-bearing role, the thickness of the middle bracket 3 is large, which can make the bearing capacity stronger, so as to further improve the stability and safety of the wind turbine.

实施例5 Example 5

本发明的一种平衡式垂直轴风力发电机组,如图3所示,本实施例的主要技术方案与实施例1或者实施例2或者实施例3或者实施例4基本相同,在本实施例中未作解释的特征,采用实施例1或者实施例2或者实施例3或者实施例4中的解释,在此不再进行赘述。本实施例与实施例1或者实施例2或者实施例3或者实施例4的区别在于:稳定轮12包括有稳定轮支架121、滚轮122和轴承123,稳定轮支架121与第二连接件11的下端固定连接,轴承123内圈与稳定轮支架121的轴承轴连接,轴承123外圈与滚轮的轴承孔连接,滚轮122外圆周与立柱1在正常工况相离,滚轮外圆周与立柱1在侧风突变工况相触。 As shown in FIG. 3, the main technical solution of the present embodiment is basically the same as that of Embodiment 1 or Embodiment 2 or Embodiment 3 or Embodiment 4, in this embodiment. The features that are not explained are explained in the first embodiment or the second embodiment or the third embodiment or the fourth embodiment, and the details are not described herein. The difference between the embodiment and the embodiment 1 or the embodiment 2 or the embodiment 3 or the embodiment 4 is that the stabilizing wheel 12 includes the stabilizing wheel bracket 121, the roller 122 and the bearing 123, and the stabilizing wheel bracket 121 and the second connecting member 11 The lower end is fixedly connected, the inner ring of the bearing 123 is connected with the bearing shaft of the stabilizing wheel bracket 121, the outer ring of the bearing 123 is connected with the bearing hole of the roller, and the outer circumference of the roller 122 is separated from the column 1 under normal working conditions, and the outer circumference of the roller is opposite to the column 1 The crosswind sudden change conditions are in contact.

具体的,滚轮122可以设置为弹性滚轮。 Specifically, the roller 122 can be configured as an elastic roller.

具体的,滚轮122还可以设置为橡胶或者聚酯材料制成的弹性滚轮。 Specifically, the roller 122 may also be provided as an elastic roller made of rubber or polyester material.

在正常工况时,滚轮的外圆周与立柱相离,保持正常旋转;在侧风突变工况时,滚轮的外圆周与立柱相触,通过滚轮弹性摩擦缓冲突变加速,并通过滚轮弹性复位,由此能够提高 风叶支架的稳定性,防止风叶支架和升力型叶片侧倾及摇摆。 In normal working conditions, the outer circumference of the roller is separated from the column and maintains normal rotation; in the case of a crosswind sudden change, the outer circumference of the roller is in contact with the column, accelerated by the elastic friction buffer of the roller, and elastically reset by the roller. This can improve The stability of the blade bracket prevents the blade bracket and the lift blade from rolling and rocking.

本发明的一种平衡式垂直轴风力发电机组可以满足风力发电机运行外界条件的国际标准: The balanced vertical axis wind turbine of the invention can meet the international standard of wind generator running external conditions:

1 、最高风速为55m/s,高寒地区为40m/s; 1. The maximum wind speed is 55m/s, and the alpine area is 40m/s;

2 、机组正常运行的温度范围为-20℃~+50℃,高寒地区为-25℃~+45℃; 2, the normal operating temperature range of the unit is -20 ° C ~ +50 ° C, the cold region is -25 ° C ~ +45 ° C;

3 、机组运行的最高海拔为4000m; 3. The highest altitude of the unit operation is 4000m;

4 、相对湿度为95 % ; 4, the relative humidity is 95%;

最后应当说明的是,以上实施例仅用以说明本发明的技术方案而非对本发明保护范围的限制,尽管参照较佳实施例对本发明作了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。 It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the scope of the present invention. Although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art The technical solutions of the present invention are modified or equivalently substituted without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

  1. 一种平衡式垂直轴风力发电机组,包括有立柱以及位于所述立柱的风叶驱动总成,所述风叶驱动总成包括有风轮组和垂直立轴回转系统,所述风轮组设置有 两个或者两个以上的 升力型叶片和对应设置于所述垂直立轴回转系统的 两个或者两个以上的 风叶支架, 所述风叶支架包括有上支架、中支架和下支架,其特征在于:A balanced vertical axis wind power generator includes a column and a blade drive assembly at the column, the blade drive assembly includes a wind wheel set and a vertical vertical axis slewing system, the wind wheel set is provided with Two or more lift-type blades and two or more blade brackets corresponding to the vertical vertical axis slewing system, The blade bracket includes an upper bracket, a middle bracket and a lower bracket, and is characterized by:
    所述垂直立轴回转系统设置有外转子永磁发电机、上立柱和稳定轮;The vertical vertical axis rotary system is provided with an outer rotor permanent magnet generator, an upper column and a stabilizing wheel;
    所述外转子永磁发电机的与内定子相连的下轴固定连接于所述立柱上部;a lower shaft of the outer rotor permanent magnet generator connected to the inner stator is fixedly connected to an upper portion of the column;
    所述上立柱一端部与所述外转子永磁发电机的与外转子相连的上端盖连接,所述上立柱固定连接设置有第一连接件;One end of the upper column is connected to an upper end cover of the outer rotor permanent magnet generator connected to the outer rotor, and the upper column is fixedly connected with a first connecting member;
    所述上支架一端部与所述第一连接件固定连接,所述上支架另一端与所述升力型叶片的上部固定连接;One end of the upper bracket is fixedly connected to the first connecting member, and the other end of the upper bracket is fixedly connected to an upper portion of the lift type blade;
    所述中支架一端部与所述外转子永磁发电机的与外转子相连的上端盖连接,所述中支架另一端部与所述升力型叶片的中部固定连接;One end of the middle bracket is connected to an upper end cover of the outer rotor permanent magnet generator connected to the outer rotor, and the other end of the middle bracket is fixedly connected with a middle portion of the lift type blade;
    所述下支架一端部通过第二连接件与所述外转子永磁发电机的与外转子相连的下端盖连接,所述下支架另一端部与所述升力型叶片的下部固定连接;One end of the lower bracket is connected to a lower end cover of the outer rotor permanent magnet generator connected to the outer rotor by a second connecting member, and the other end of the lower bracket is fixedly connected with a lower portion of the lift type blade;
    所述稳定轮与所述第二连接件的下端相接,并且所述稳定轮的转动部设置于所述立柱旁侧。The stabilizing wheel is in contact with a lower end of the second connecting member, and a rotating portion of the stabilizing wheel is disposed on a side of the column.
  2. 根据权利要求1所述的 一种平衡式垂直轴风力发电机组,其特征在于: 所述上支架、所述中支架、所述下支架分别位于所述升力型叶片均匀分布等距设置,且所述中支架与所述升力型叶片连接处位于所述升力型叶片的水平中心线。A balanced vertical axis wind turbine generator according to claim 1, wherein: The upper bracket, the middle bracket, and the lower bracket are respectively disposed at an evenly spaced equidistant arrangement of the lift type blades, and the joint between the middle bracket and the lift type blade is located at a horizontal center line of the lift type blade .
  3. 根据权利要求2所述的 一种平衡式垂直轴风力发电机组,其特征在于:所述上支架、所述中支架和所述下支架相互平行设置。According to claim 2 A balanced vertical axis wind power generator is characterized in that: the upper bracket, the middle bracket and the lower bracket are arranged parallel to each other.
  4. 根据权利要求3所述的 一种平衡式垂直轴风力发电机组,其特征在于:所述上支架一端部、所述中支架一端部、所述下支架一端部分别与所述升力型叶片焊接连接。 According to claim 3 A balanced vertical-axis wind power generator is characterized in that: one end portion of the upper bracket, one end portion of the middle bracket, and one end portion of the lower bracket are respectively weldedly connected to the lift type blade.
  5. 根据权利要求4所述的 一种平衡式垂直轴风力发电机组,其特征在于:所述第二连接件设置为套筒结构的第二连接件,所述第二连接件两端设置有法兰部,所述第二连接件的一端所述法兰部与所述下端盖连接,所述第二连接件另一端所述法兰部分别与所述下支架和 所述稳定轮 连接。 According to claim 4 A balanced vertical-axis wind power generator is characterized in that: the second connecting member is provided as a second connecting member of the sleeve structure, and the second connecting member is provided at both ends with a flange portion, the second connection One end of the piece is connected to the lower end cover, and the other end of the second connecting piece is respectively connected to the lower bracket and the flange portion The stabilizing wheel is connected.
  6. 根据权利要求1至5任意一项所述的 一种平衡式垂直轴风力发电机组,其特征在于: 所述升力型叶片的上部和/或下部设置有延伸部。 A balanced vertical-axis wind power generator according to any one of claims 1 to 5, characterized in that: An upper portion and/or a lower portion of the lift type blade are provided with an extension.
  7. 根据权利要求1至5任意一项所述的 一种平衡式垂直轴风力发电机组,其特征在于: 所述上端盖设置有与 所述上立柱同轴线的短轴,所述上立柱与所述短轴法兰连接。 A balanced vertical-axis wind power generator according to any one of claims 1 to 5, wherein: the upper end cover is provided with a short shaft of the upper column coaxial line, the upper column being connected to the short shaft flange.
  8. 根据权利要求7所述的 一种平衡式垂直轴风力发电机组,其特征在于:所述上立柱上端部设置有灯柱。 The balanced vertical-axis wind power generator set according to claim 7, wherein the upper column of the upper column is provided with a lamp post.
  9. 根据权利要求1至5任意一项所述的 一种平衡式垂直轴风力发电机组,其特征在于:所述中支架的厚度大于或者等于所述上支架的厚度和/或所述下支架的厚度。 According to any one of claims 1 to 5 A balanced vertical axis wind power generator is characterized in that the thickness of the middle bracket is greater than or equal to the thickness of the upper bracket and/or the thickness of the lower bracket.
  10. 根据权利要求1至5任意一项所述的 一种平衡式垂直轴风力发电机组,其特征在于:所述稳定轮包括有稳定轮支架、滚轮和轴承,所述稳定轮支架与所述第二连接件的下端固定连接,所述轴承内圈与所述稳定轮支架的轴承轴连接,所述轴承外圈与所述滚轮的轴承孔连接,所述滚轮外圆周与所述立柱在正常工况相离,所述滚轮外圆周与所述立柱在侧风突变工况相触。 According to any one of claims 1 to 5 A balanced vertical axis wind power generator, characterized in that: the stabilizing wheel comprises a stabilizing wheel bracket, a roller and a bearing, the stabilizing wheel bracket is fixedly connected with a lower end of the second connecting member, the bearing inner ring Connected to a bearing shaft of the stabilizing wheel bracket, the bearing outer ring is connected to a bearing hole of the roller, the outer circumference of the roller is separated from the column in a normal working condition, and the outer circumference of the roller and the column In the crosswind sudden change conditions.
PCT/CN2013/081027 2012-08-08 2013-08-07 Balanced type vertical axis wind power generator set WO2014023239A1 (en)

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CN103184978B (en) * 2012-08-08 2015-05-27 惠州市三鼎能源科技有限公司 Balanced vertical-axis wind generating set

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