CN108488032A - 一种风力发电风轮装置 - Google Patents

一种风力发电风轮装置 Download PDF

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CN108488032A
CN108488032A CN201810304732.8A CN201810304732A CN108488032A CN 108488032 A CN108488032 A CN 108488032A CN 201810304732 A CN201810304732 A CN 201810304732A CN 108488032 A CN108488032 A CN 108488032A
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pedestal
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王从相
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Inner Mongolia Dongrun Energy Technology 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
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06Rotors
    • F03D1/065Rotors characterised by their construction elements
    • F03D1/0658Arrangements for fixing wind-engaging parts to a hub
    • 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 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022Adjusting aerodynamic properties of the blades
    • F03D7/0236Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • 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 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04Automatic control; Regulation
    • 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
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
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  • Mechanical Engineering (AREA)
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  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Abstract

本发明涉及新能源领域,尤其涉及风力发电领域。一种风力发电风轮装置,该叶片装置包括安装基座、转动式叶片组件、向心驱动装置,所述的安装转动式叶片组件和向心驱动装置安装设置在安装基座上,转动式叶片组件共有三组,相互成60°夹角周向均匀设置在安装基座上;所述的安装基座包括安装板和法兰盘中枢轴;所述的转动式叶片组件包括叶片、叶片固定轴、立式轴承和摆杆;所述的向心驱动装置包括向心滑块、连接杆、销轴、轴架和压块,该叶片装置还包括弹簧装置,弹簧装置使叶片复位。该装置可以自适应调整叶片的角度,提高了风力发电的效率,避免了由于风场不同发生事故。

Description

一种风力发电风轮装置
技术领域
本发明涉及新能源领域,尤其涉及风力发电领域。
背景技术
随着化石能源的大量消耗和人类生存环境的加速恶化,风能作为一种相对清洁、稳定、可靠的可再生能源已成受到越来越多的重视,国内学者对垂直轴风力机的研究热情也不断加深。但是,在低速风场、高速风场和多变风场中,风轮不但不能运行在最佳CP状态;同时增加了叶片的疲劳程度,缩短了风力机的使用寿命。这就使得风力机易启动和失速迅速制动问题一直是个难点,为了克服上述技术问题,额外的动力启动和制动虽然可行,但是消耗了其它能源从而降低了对风能的利用率。
发明内容
为了解决上述的技术问题,本发明的目的是提供一种风力发电风轮装置,该装置可以自适应调整叶片的角度,提高了风力发电的效率,避免了由于风场不同发生事故。
为了实现上述的目的,本发明采用了以下的技术方案:
一种风力发电风轮装置,该叶片装置包括安装基座、转动式叶片组件、向心驱动装置,所述的安装转动式叶片组件和向心驱动装置安装设置在安装基座上,转动式叶片组件共有三组,相互成60°夹角周向均匀设置在安装基座上;所述的安装基座包括安装板和法兰盘中枢轴,安装板上设置有圆孔用于和转动式叶片组件连接固定,法兰盘中枢轴通过螺栓组固定设置在安装板中央;所述的转动式叶片组件包括叶片、叶片固定轴、立式轴承和摆杆,叶片通过螺栓组固定设置在叶片固定轴上,叶片固定轴一端固定连接叶片,另一端为圆轴,圆轴安装在两个立式轴承中,两个立式轴承通过螺栓固定设置在安装基座上,圆轴的端部与摆杆相固定连接,摆杆另一端开有槽a;所述的向心驱动装置包括向心滑块、连接杆、销轴、轴架和压块,向心滑块通过移动轴承安装在叶片固定轴圆轴部分,能在固定轴圆轴部分上自由滑动,连接杆一端通过销轴与向心滑块形成转动副连接,另一端通过销轴与轴架圆孔板形成转动副连接,轴架中央通过移动轴承安装在法兰盘中枢轴上,轴架下端均布三个凸耳c,压块固定设置在轴架下端凸耳c中,压块含有横向突出的圆柱头b,圆柱头b与摆杆的槽a形成移动副连接;该叶片装置包括弹簧装置,弹簧装置使叶片复位。
作为进一步改进,所述的叶片固定轴的一端为叉形结构,所述的叶片通过螺栓组固定设置在叉形口内。
作为进一步改进,所述的叶片由连接端到外端后端逐渐缩小,宽带也逐渐缩小。
作为进一步改进,所述的圆轴的端部为叉形结构,所述的摆杆通过螺钉固定在叉形口内。
作为进一步改进,所述的弹簧装置设置在法兰盘中枢轴上。
本发明由于采用了上述的技术方案,该装置可以自适应调整叶片的角度,提高了风力发电的效率,避免了由于风场不同发生事故。
附图说明
图1为本发明实施例的结构示意图。
图2为本发明实施例各功能组件的爆炸结构示意图。
图3为安装基座的爆炸结构示意图。
图4为转动式叶片组件的爆炸结构示意图。
图5为向心驱动装置的爆炸结构示意图。
具体实施方式
如图1、图2所示,所述的一种风力发电风轮装置包括安装基座1、转动式叶片组件2、向心驱动装置3和弹簧装置,所述的安装基座1用于安装转动式叶片组件2和向心驱动装置3,转动式叶片组件2共有三组,均匀设置在安装基座1上,转动式叶片组件2可以改变叶片摆角,从而适应不同的风速,充分利用风能,向心驱动装置3安装在安装基座1上,与转动式叶片组件2相连接,利用转动的速度从而改变转动式叶片组件2的摆角。
如图3所示,所述的安装基座1包括安装板11、法兰盘中枢轴12,安装板11上设置有圆孔用于和转动式叶片组件2连接固定,法兰盘中枢轴12通过螺栓组固定设置在安装板11中央,由安装板11带动法兰盘中枢轴12转动,由法兰盘中枢轴12的转动机械能后续转化为电能。
如图4所示,所述的转动式叶片组件2共设置有三组,相互成60°夹角固定设置在安装基座1上。具体包括叶片21、叶片固定轴22、立式轴承23、摆杆24,叶片21底部通过螺栓组固定设置在叶片固定轴22上,叶片固定轴22一端固定连接叶片21,叶片由连接端到外端后端逐渐缩小,宽带也逐渐缩小。叶片固定轴22的一端为叉形结构,所述的叶片21通过螺栓组固定设置在叉形口内。叶片固定轴22的另一端为圆轴,安装在立式轴承23中,圆轴端部与摆杆24相固定连接,圆轴的端部为叉形结构,所述的摆杆24通过螺钉固定在叉形口内,摆杆24与叶片固定轴22锁定旋转,摆杆24另一端开有槽a,用于和向心驱动装置3相连接,立式轴承23固定设置在安装基座1的安装板11上,所述的转动式叶片组件2通过立式轴承23安装在安装基座1上,可通过拨动摆杆24改变叶片21的摆角,而摆杆24的转动由向心驱动装置3驱动。
如图5所示,所述的向心驱动装置3包括向心滑块31、连接杆32、销轴33、轴架34和压块35,向心滑块31通过移动轴承安装在叶片固定轴22圆轴部分,可在固定轴22圆轴部分上自由滑动,连接杆32一端通过销轴33与向心滑块31形成转动副连接,另一端通过销轴33与轴架34圆孔板形成转动副连接,轴架34中央通过移动轴承安装在法兰盘中枢轴12上,轴架34下端均布三个凸耳c,压块35固定设置在轴架34下端凸耳c中,压块35含有横向突出的圆柱头b,圆柱头b与摆杆24的槽形成移动副连接。弹簧装置设置在法兰盘中枢轴12上,弹簧装置使轴架34复位从而带动叶片复位。
当所述的一种可变螺距风力发电叶片快速转动后,向心滑块31受到离心力远离旋转中心,通过连接杆32拉动轴架34向下运动,即压块35圆柱头b推动摆杆24,使得叶片固定轴22带动叶片21在立式轴承23中转动一定幅度,从而改变叶片21的摆角,使得叶片21的迎风面变小,减小阻力,充分利用风能,风速慢下来时轴架34可通过弹簧装置复位,恢复原来的叶片角度。

Claims (6)

1.一种风力发电风轮装置,该叶片装置包括安装基座(1)、转动式叶片组件(2)、向心驱动装置(3),所述的安装转动式叶片组件(2)和向心驱动装置(3)安装设置在安装基座(1)上,转动式叶片组件(2)共有三组,相互成60°夹角周向均匀设置在安装基座(1)上;其特征在于,
所述的安装基座(1)包括安装板(11)和法兰盘中枢轴(12),安装板(11)上设置有圆孔用于和转动式叶片组件(2)连接固定,法兰盘中枢轴(12)通过螺栓组固定设置在安装板(11)中央;
所述的转动式叶片组件(2)包括叶片(21)、叶片固定轴(22)、立式轴承(23)和摆杆(24),叶片(21)通过螺栓组固定设置在叶片固定轴(22)上,叶片固定轴(22)一端固定连接叶片(21),另一端为圆轴,圆轴安装在两个立式轴承(23)中,两个立式轴承(23)通过螺栓固定设置在安装基座(1)上,圆轴的端部与摆杆(24)相固定连接,摆杆(24)另一端开有槽a;
所述的向心驱动装置(3)包括向心滑块(31)、连接杆(32)、销轴(33)、轴架(34)和压块(35),向心滑块(31)通过移动轴承安装在叶片固定轴(22)圆轴部分,能在固定轴(22)圆轴部分上自由滑动,连接杆(32)一端通过销轴(33)与向心滑块(31)形成转动副连接,另一端通过销轴(33)与轴架(34)圆孔板形成转动副连接,轴架(34)中央通过移动轴承安装在法兰盘中枢轴(12)上,轴架(34)下端均布三个凸耳c,压块(35)固定设置在轴架(34)下端凸耳c中,压块(35)含有横向突出的圆柱头b,圆柱头b与摆杆(24)的槽a形成移动副连接;
该叶片装置包括弹簧装置,弹簧装置使叶片(21)复位。
2.根据权利要求1所述的一种风力发电风轮装置,其特征在于,叶片固定轴(22)的一端为叉形结构,所述的叶片(21)通过螺栓组固定设置在叉形口内。
3.根据权利要求1所述的一种风力发电风轮装置,其特征在于,叶片由连接端到外端后端逐渐缩小,宽带也逐渐缩小。
4.根据权利要求1所述的一种风力发电风轮装置,其特征在于,圆轴的端部为叉形结构,所述的摆杆(24)通过螺钉固定在叉形口内。
5.根据权利要求1所述的一种风力发电风轮装置,其特征在于,所述的弹簧装置设置在法兰盘中枢轴(12)上。
6.一种叶片自调整角度风力发电机组,该风力发电机组包括风轮、传动机构、发电机、限速或调速机构、刹车机构和机座回转体塔架,其特征在于,所述的风轮通过传动机构连接发电机,传动机构为变速箱,所述的风轮采用权利要求1~5任意一项权利要求所述的风力发电风轮装置。
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WO2022027832A1 (zh) * 2020-08-05 2022-02-10 中国华能集团清洁能源技术研究院有限公司 一种水平轴风力发电机组叶片疲劳降载装置及方法

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