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CN102203411A - 一种用于调节风力发电机的叶片间距的装置 - Google Patents

一种用于调节风力发电机的叶片间距的装置 Download PDF

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CN102203411A
CN102203411A CN2009801380306A CN200980138030A CN102203411A CN 102203411 A CN102203411 A CN 102203411A CN 2009801380306 A CN2009801380306 A CN 2009801380306A CN 200980138030 A CN200980138030 A CN 200980138030A CN 102203411 A CN102203411 A CN 102203411A
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blades
pitch
adjusting
wind
head part
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CN102203411B (zh
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D·博尔奈里科
V·伯贝加尔帕斯托尔
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Sangji'ao Energy Co
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Sonkyo S L
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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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0224—Adjusting blade pitch
    • 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
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/77—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism driven or triggered by centrifugal forces
    • 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
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/79—Bearing, support or actuation arrangements therefor
    • 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
    • F05B2260/00—Function
    • F05B2260/90—Braking
    • F05B2260/901—Braking using aerodynamic forces, i.e. lift or drag
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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)

Abstract

一种用于借助于位于径向轴承内的端部支撑件来调节以铰接方式联接的叶片或推进器的间距的装置，所述径向轴承被牢固地接合到风力发电机的转动头部件上。所述调节可以为主动调节或被动调节。其特征在于，转动头部件包括线性驱动器(1)，如缸体，线性驱动器的轴杆与交叉件(14)相连接，所述交叉件关联到与叶片(6)的端部支撑件(7)相连接的中间机械装置上，从而当交叉件(14)被移动时，由缸体(1)的轴驱动端以改变此处的间距。

Description

一种用于调节风力发电机的叶片间距的装置
技术领域
本发明，如说明书题目所述，涉及到一种用于调节风力发电机的叶片间距的装置，所述装置旨在当需要的时候精确地调节间距，要么主动地响应于一系列的预设输入值，要么或者被动地由施加于叶片上的力、及作为转子阵列的转动的后果而产生的平衡配重所驱动。
因此，本发明的新颖性集中于这样一种特征装置：该装置允许实现围绕叶片轴向的转动的受控变化，所述叶片在它们的位于径向轴承内的基部处以铰接的方式连接，所述轴承牢固地接合在风力发电机的一种转动的头部件上，通过连接至所述头部件的叶片而精确地引起了它们的转动和拖动、并利用风力来驱动了它们的转动和拖动。
背景技术
当前，风力发电机的叶片间距能够借助于平衡配重而机械地变动，从而当叶片转动时(通过风力、并且由于所产生的离心力而被驱动)，叶片能够围绕所述叶片的假想的纵向轴线转动，特别是当风力发电机的速度由于风力太强变得危险时。
叶片间距也能够以液压方式主动地受驱动。
发明内容
一种用于调节风力发动机的叶片间距的装置，其特征在于，其由一种位于转子头部件的中心中空部内的线性驱动器所限定，所述转子头部件设置有若干个管状径向轴承，其中风力发动机的每个叶片借助于端部支撑件而在所述叶片的固定处以铰接的方式连接。
转动头部件基本上包括一种管状体，所述线性驱动器和一种环形延伸部位于管状体里面，所述管状径向轴承牢固地接合在环形延伸部中。
继而，一种弹簧绕着管体而联接，作为一种特征性移动交叉件(crosspiece)，该交叉件包括一种围绕着管体的端跨接部(end span)而受引导的联接环，从而使得线性驱动器连接到交叉件的中心点以移动该交叉件，克服或利用弹簧的阻力/抵抗力，从而改变叶片的间距、并围绕其轴向产生其转动。
另一方面，交叉件的线性运动借助于一种连接杆而被传递到各个叶片，所述连接杆的一端铰接于一种短轴杆中，所述短轴杆连接至交叉件的环，而所述连接杆的另一端铰接于一种短臂，该短臂在各个叶片的固定处接合于端部支撑件。
叶片还能包括平衡配重，如通常所发生的一样，以被动地减少转子头部件的旋转。
根据这种方式，可以使调节系统与平衡配重系统无关地进行操作，也就是，与一种特定参数无关，例如，转子头部件阵列的转数，风速等；它们的经过适时处理的参数能够自动地启动本发明特性驱动器的操作装置。
下面，为了提供对本说明书的更好理解、并形成为其的一个集成部分，此处所关联的附图具有解释性及非限制性的特点，也已呈现了本发明的目的。
附图说明
图1示出了风力发电机的转子头部件的透视图，所述转子头部件用于调节风力发电机的叶片间距，即本发明的目的。
图2示出了上图所示的正视截面图。
具体实施方式
考虑到附图中所使用的编号，用于调节风力发电机的叶片间距的装置包括一种线性驱动器，诸如一种液压缸或气动气缸1，其位于由一种管体2限定的中心中空部中，所述管体2形成为转动头部件3的一部分，所述转动头部件3进一步设置有一种环形延伸部分4，在此牢固地接合着若干个径向轴承5，所述轴承5处的叶片6借助于端部支撑件7而以铰接的方式联接，继而，与连接杆9相关联的臂8通过它们的自由端连结至短轴杆10，所述短轴杆10被紧固到固体件11上，所述固体件11被牢固地接合到环12，所述环12围绕管体2被引导和联接，同时弹簧13也环绕该管体2联接。
环12形成为交叉件14的一部分，所述交叉件14从管体2的自由端部向外凸出，而缸1的轴杆紧固在交叉件14的中心，从而使得当缸1的轴杆线性地移动时，绕所述叶片的假想纵向轴线转动的叶片间距6得到调整/修正。
叶片7的端部支撑件7还包括平衡配重15，从而能够被动地调整推进器或叶片6的间距，正如通常情况下、在由穿过叶片6的风力驱动转子头部件3进行转动的期间发生上述情况。
叶片间距6能借助于缸1被自动地调节，也能通过将对缸1启动的控制与风速参数或其它参数相关联起来而进行被动调节。

Claims (4)

1.用于调节风力发电机的叶片间距的装置，所述装置旨在对借助于端部支撑件而以铰接的方式联接在径向轴承中的叶片或推进器的间距进行调节，径向轴承牢固地接合到风力发电机的一种转动头部件上，其特征在于，所述头部件包括诸如缸体这样的一种线性驱动器(1)，线性驱动器的轴杆连接至交叉件(14)，所述交叉件关联至与叶片(6)的端部支撑件(7)相连接的中间机构上，从而当交叉件(14)由缸体(1)的轴杆进行驱动而移动时，用以改变交叉件处的配重。
2.根据权利要求1所述的用于调节风力发电机的叶片间距的装置，其特征在于，缸体(1)位于转动头部件(3)的管体(2)内，一种弹簧(13)以及形成为交叉件(14)的一部分的一种引导环(12)绕前述的管体(2)被联接在一起，所述交叉件(14)从所述管体(2)的一端向外凸出。
3.根据权利要求2所述的用于调节风力发电机的叶片间距的装置，其特征在于，交叉件(14)借助于一种连接杆(9)而与每个端部支撑件(7)对齐，所述连接杆(9)的一端铰接至一种臂(8)，所述臂(8)牢固地接合至各自的端部支撑件(7)，而连接杆(9)的相反端部铰接至一种短轴杆(10)，短轴杆(10)紧固到一种牢固地与所述环(12)接合的部件(11)上。
4.根据前述权利要求中任一项所述的用于调节风力发电机的叶片间距的装置，其特征在于，叶片(6)的端部支撑件(7)包括平衡配重(15)，所述平衡配重(15)能够使叶片(6)的间距在转子头部件(3)转动期间变化。
CN200980138030.6A 2008-09-25 2009-09-15 一种用于调节风力发电机的叶片间距的装置 Expired - Fee Related CN102203411B (zh)

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ESU200801941 2008-09-25
ES200801941U ES1068777Y (es) 2008-09-25 2008-09-25 Dispositivo para regular el paso de las palas de un aerogenerador
PCT/ES2009/070381 WO2010034861A1 (es) 2008-09-25 2009-09-15 Dispositivo para regular el paso de las palas de un aerogenerador

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ES1068777U (es) 2008-12-01
CN102203411B (zh) 2014-09-03
RU2011116126A (ru) 2012-10-27
EP2336556A1 (en) 2011-06-22
WO2010034861A1 (es) 2010-04-01
RU2527919C2 (ru) 2014-09-10
CA2731679C (en) 2015-08-11
US20110189016A1 (en) 2011-08-04
ES2604218T3 (es) 2017-03-03
MX2011003201A (es) 2011-05-10
US8622705B2 (en) 2014-01-07
ES1068777Y (es) 2009-03-01
CA2731679A1 (en) 2010-04-01
EP2336556B1 (en) 2016-08-24
EP2336556A4 (en) 2014-01-22
BRPI0919001A2 (pt) 2018-01-09

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