CN109519327B - 重力自调式风力发电机 - Google Patents

重力自调式风力发电机 Download PDF

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CN109519327B
CN109519327B CN201710998344.XA CN201710998344A CN109519327B CN 109519327 B CN109519327 B CN 109519327B CN 201710998344 A CN201710998344 A CN 201710998344A CN 109519327 B CN109519327 B CN 109519327B
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swing
frame
blade
wind
blades
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王敬
姚晓光
许昌义
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JIANGSU XINGGUANG POWER GENERATION EQUIPMENT Co.,Ltd.
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Wenzhou Chuangmou 3d Design Co ltd
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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
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/25Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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 
    • F03D3/005Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • 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
    • F03D3/062Rotors characterised by their construction elements
    • 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
    • F03D7/00Controlling wind motors 
    • F03D7/06Controlling wind motors  the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
    • 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
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/321Wind directions
    • 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

重力自调式风力发电机,旋转架(2)上带有3到9个框架,框架绕轴线均布;框架的中间安装有摇摆架(3),摇摆架(3)为框形结构,摇摆架(3)的中间安装有摇摆叶片(4);摇摆叶片(4)的摇摆轴是横向布置的,一个摇摆架(3)中间有一组摇摆叶片(4),每一组摇摆叶片(4)是叠加布置的,每一组摇摆叶片(4)大于等于(2)层;摇摆轴在摇摆叶片(4)重心的上端,在重力作用下,摇摆叶片(4)总是竖向向下垂的;轴孔(22)在摇摆架(3)重心的上端,在重力作用下,摇摆架(3)总是竖向向下垂的。

Description

重力自调式风力发电机
技术领域
本发明涉及风力发电,尤其是“重力自调式风力发电机”,属于垂直转轴式,水平叶片的风力发电机。
背景技术
中国专利申请号:200910090608.7,“百叶风力发电机”,该风力发电机包括塔架、发电机、套装在塔架上端的至少两个百叶机构,该百叶机构包括框架和至少一片百叶,框架上设置有安装座,每个百叶的尾部通过销轴活动安装在安装座上,百叶的前端搭靠在其前面的安装座上,以限制百叶的旋转位置;每个所述百叶机构上配备的各个T形顶块均通过拉绳相串接,拉动拉绳使得T形顶块绕其铰接点转动,在一对所述百叶机构的中间处设置有飞锤,飞锤包括折形拉杆、连接在折形拉杆一端的重锤,折形拉杆的一边通过弹簧与所述框架相连接,所述拉绳的一端固定连接在折形拉杆的折边上,通过在运动过程中飞锤与所述框架的相对位置,来收缩或放松所述拉绳,以控制所述 T 形顶块来限定所述百叶的位置。这项专利申请,采用垂直的百叶,采用飞球控制百叶的位置,机构较复杂,制作成本较高。
发明内容
为了完善风力发电机系列,本发明力图提供一种重力自调式风力发电机,结构简单,制作成本低。
本发明解决其技术问题所采用的技术方案是:重力自调式风力发电机,立杆下面有发电机单元,旋转架上带有3到9个框架,框架绕轴线均布;框架的中间安装有摇摆架,摇摆架为框形结构,摇摆架的中间安装有摇摆叶片;摇摆叶片的摇摆轴是横向布置的,一个摇摆架中间有一组摇摆叶片,每一组摇摆叶片是叠加布置的,每一组摇摆叶片大于等于层;摇摆轴在摇摆叶片重心的上端,在重力作用下,摇摆叶片总是竖向向下垂的;轴孔在摇摆架重心的上端,在重力作用下,摇摆架总是竖向向下垂的。摇摆叶片上有摇摆孔,摇摆架上安装有与摇摆孔配合的轴,每一组中的每一个摇摆叶片,都能绕摇摆孔相对摇摆架作横向的摆动。旋转架是通过轴孔安装在框架上,旋转架能绕轴孔相对框架作横向的摆动。旋转架上面有前档块,能限制摇摆架摆动。摇摆架上面有后档块,能限制摇摆叶片摆动。
重力自调式风力发电机运行方法,立杆下面有发电机单元,其特征是:立杆右边的摇摆叶片在风的吹动下竖直的紧靠着后档块,形成最大的迎风面积,获得的较大风力,而立杆左边的摇摆叶片在风的吹动下向后绕着摇摆孔作旋转摆动,迎风面积减小,获得的较小的风力,后绕较大风力的一边形成旋转力矩大,旋转架就绕着立杆的轴线作反时针旋转。当风速太大,旋转架的转速过快时,风力作用在摇摆叶片的力矩大于摇摆架的垂直力矩时,风力作用在立杆右边的摇摆架上,整个摇摆架会绕轴孔向后摆动,风力越大,摆动的角度越大,摇摆叶片的迎风面积越小,相对减小旋转的力矩;而立杆右边的摇摆架被前档块限定不能向后摇摆,但是立杆右边的摇摆叶片向后摇摆,风力越大,摆动的角度越大,迎风面积越小,形成的旋转力矩越小。
本发明的有益效果是,重力自调式风力发电机,发电机为垂直转轴式,摇摆叶片为水平层叠式,摇摆叶片是横向水平安装,靠重力能自动回位;摇摆叶片层叠式结构,迎风面积大,当风力过大时,通过摇摆架的摆动,减小摇摆叶片的迎风面积,自动调整力矩及转速。
附图说明
图1正常风力下的重力自调式风力发电机示意图。
图2强风下的重力自调式风力发电机示意图。
在图1及图2中,1.立杆、 2.旋转架、21.前档块、22.轴孔、3.摇摆架、31.后档块、4.摇摆叶片、41.摇摆孔、5.拉筋。
具体实施方式
图1在图2中,重力自调式风力发电机,立杆下面有发电机单元,旋转架2上带有四个框架,框架绕轴线均布;框架的中间安装有摇摆架3,摇摆架3为框形结构,摇摆架3的中间安装有摇摆叶片4;摇摆叶片4的摇摆轴是横向布置的,一个摇摆架3中间有一组摇摆叶片4,每一组摇摆叶片4是叠加布置的,每一组摇摆叶片4大于等于2层;摇摆轴在摇摆叶片4重心的上端,在重力作用下,摇摆叶片4总是竖向向下垂的;轴孔22在摇摆架3重心的上端,在重力作用下,摇摆架3总是竖向向下垂的。旋转架2的下面固定有转轴,转轴穿过立杆1与下面的发电机单元连接在一起,旋转架2转动时能带动发电机单元转动。拉筋5的作用是增加框架的抗风强度。摇摆叶片4上有摇摆孔41,摇摆架3上安装有与摇摆孔41配合的轴,每一组中的每一个摇摆叶片4,都能绕摇摆孔41相对摇摆架3作横向的摆动。同样的,旋转架2是通过轴孔22安装在框架上,旋转架2能绕轴孔22相对框架作横向的摆动。旋转架2上面有前档块21,能限制摇摆架3摆动。这里指的摆动方向的前后是以风向为参照。摇摆架3上面有后档块31,能限制摇摆叶片4摆动。这里指的摆动方向的前后是以风向为参照。
重力自调式风力发电机运行方法,立杆下面有发电机单元,图中,当风从图中的左下角向右上角方向吹,。立杆1右边的摇摆叶片4在风的吹动下竖直的紧靠着后档块31,形成最大的迎风面积,获得的较大风力,而立杆1左边的摇摆叶片4在风的吹动下向后绕着摇摆孔41作旋转摆动,迎风面积减小,获得的较小的风力,后绕较大风力的一边形成旋转力矩大,旋转架2就绕着立杆1的轴线作反时针旋转,转动的旋转架2带动其轴下连接的发电机单元转动;如图2中,当风速太大,旋转架2的转速过快时,风力作用在摇摆叶片4的力矩大于摇摆架3的垂直力矩时,风力作用在立杆1右边的摇摆架3上,整个摇摆架3会绕轴孔22向后摆动,如图2右下的摇摆架3,风力越大,摆动的角度越大,使得整个摇摆叶片4的迎风面积越小,相对减小旋转的力矩;而立杆1右边的摇摆架3被前档块21限定不能向后摇摆,但是立杆1右边的摇摆叶片4向后摇摆,风力越大,摆动的角度越大,迎风面积越小,形成的旋转力矩越小。在图1在图2中,为了看清摇摆叶片4侧面的摇摆孔41,图中左下角将一个摇摆叶片4,从摇摆架3中移出来了。

Claims (2)

1.重力自调式风力发电机,立杆下面有发电机单元,其特征是:旋转架(2)上带有3到9个框架,框架绕轴线均布;框架的中间安装有摇摆架(3),摇摆架(3)为框形结构,摇摆架(3)的中间安装有摇摆叶片(4);摇摆叶片(4)的摇摆轴是横向布置的,一个摇摆架(3)中间有一组摇摆叶片(4),每一组摇摆叶片(4)是叠加布置的,每一组摇摆叶片(4)大于等于2层;摇摆轴在摇摆叶片(4)重心的上端,在重力作用下,摇摆叶片(4)总是竖向向下垂的;轴孔(22)在摇摆架(3)重心的上端,在重力作用下,摇摆架(3)总是竖向向下垂的;
摇摆叶片(4)上有摇摆孔(41),摇摆架(3)上安装有与摇摆孔(41)配合的轴,每一组中的每一个摇摆叶片(4),都能绕摇摆孔(41)相对摇摆架(3)作横向的摆动;
旋转架(2)是通过轴孔(22)安装在框架上,旋转架(2)能绕轴孔(22)相对框架作横向的摆动;
旋转架(2)上面有前档块(21),能限制摇摆架(3)摆动;
摇摆架(3)上面有后档块(31),能限制摇摆叶片(4)摆动。
2.权利要求1的重力自调式风力发电机的运行方法,立杆下面有发电机单元,其特征是:立杆(1)右边的摇摆叶片(4)在风的吹动下竖直的紧靠着后档块(31),形成最大的迎风面积,获得的较大风力,而立杆(1)左边的摇摆叶片(4)在风的吹动下向后绕着摇摆孔(41)作旋转摆动,迎风面积减小,获得的较小的风力,较大风力的一边形成旋转力矩大,旋转架(2)就绕着立杆(1)的轴线作反时针旋转;
当风速太大,旋转架(2)的转速过快时,风力作用在摇摆叶片(4)的力矩大于摇摆架(3)的垂直力矩时,风力作用在立杆(1)右边的摇摆架(3)上,整个摇摆架(3)会绕轴孔(22)向后摆动,风力越大,摆动的角度越大,摇摆叶片(4)的迎风面积越小,相对减小旋转的力矩;而立杆(1)右边的摇摆架(3)被前档块(21)限定不能向后摇摆,但是立杆(1)右边的摇摆叶片(4)向后摇摆,风力越大,摆动的角度越大,迎风面积越小,形成的旋转力矩越小。
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