METHOD FOR DETECTING DAMAGE OF WIND TURBINE BLADE AND WIND TURBINE
    1.
    发明申请
    METHOD FOR DETECTING DAMAGE OF WIND TURBINE BLADE AND WIND TURBINE 审中-公开
    检测风力涡轮叶片和风力涡轮机损伤的方法

    公开(公告)号:US20150240788A1

    公开(公告)日:2015-08-27

    申请号:US14499339

    申请日:2014-09-29

    IPC分类号: F03D11/00 G01N19/08

    摘要: A method for detecting a damage of a wind turbine blade of a wind turbine rotor including a plurality of wind turbine blades includes: a strain data acquiring step of acquiring strain data representing strain of each of the plurality of wind turbine blades; a difference calculation step of calculating a difference between the strain data of a detection target wind turbine blade which is one of the wind turbine blades and a reference value reflecting the strain data of at least one comparison target wind turbine blade of other wind turbine blades; and a detection step of detecting the damage of the detection target wind turbine blade based on a trend of the difference calculated in the difference calculation step.

    摘要翻译: 一种用于检测包括多个风力涡轮机叶片的风力涡轮机转子的风力涡轮机叶片的损坏的方法,包括:应变数据获取步骤,获取表示所述多个风力涡轮机叶片中的每一个的应变的应变数据; 差分计算步骤,计算作为风力涡轮机叶片中的一个的检测目标风力涡轮机叶片的应变数据与反映其它风力涡轮机叶片的至少一个比较目标风力涡轮机叶片的应变数据的参考值之间的差; 以及检测步骤,基于在差分计算步骤中计算的差的趋势来检测检测目标风力涡轮机叶片的损坏。

    METHOD AND APPARATUS FOR MANUFACTURING FIBER-REINFORCED BASE MATERIAL
    2.
    发明申请
    METHOD AND APPARATUS FOR MANUFACTURING FIBER-REINFORCED BASE MATERIAL 有权
    用于制造纤维增强基材的方法和装置

    公开(公告)号:US20130221568A1

    公开(公告)日:2013-08-29

    申请号:US13773110

    申请日:2013-02-21

    IPC分类号: B29C43/18

    摘要: It is intended to provide a method and an apparatus for manufacturing a fiber-reinforced base material, which is capable of manufacturing a fiber-reinforced base material of high quality while preventing generation of defects such as wrinkles during stacking of the base material sheet. The method for manufacturing the fiber-reinforced base material formed by stacking a base material sheet including a reinforcement fiber onto a mold having a double-curved surface shape, includes steps of: supplying the base material sheet onto the mold from a base material roll while applying distribution varying in a width direction (X direction) to a length of the base material sheet in a sheet-supplying direction of the base material sheet (Y direction) in correspondence with the double-curved surface shape of the mold; and applying pressure to the base material sheet in contact with the mold.

    摘要翻译: 旨在提供一种纤维增强基材的制造方法和装置,其能够在基材层叠时防止产生诸如褶皱等缺陷的缺陷的高质量的纤维增强基材。 通过将包含增强纤维的基材片层叠在具有双曲面形状的模具上而形成的纤维增强基材的制造方法包括以下步骤:将基材片从基材辊供给到模具上,同时 在与模具的双曲面形状对应的基材片材的供纸方向(Y方向)上沿宽度方向(X方向)变化的基体材料片的长度变化; 并向与模具接触的基材片施加压力。

    WIND TURBINE BLADE, METHOD FOR MANUFACTURING WIND TURBINE BLADE, AND WIND POWER GENERATOR AND WIND TURBINE BLADE MONITORING SYSTEM INCLUDING WIND TURBINE BLADE
    3.
    发明申请
    WIND TURBINE BLADE, METHOD FOR MANUFACTURING WIND TURBINE BLADE, AND WIND POWER GENERATOR AND WIND TURBINE BLADE MONITORING SYSTEM INCLUDING WIND TURBINE BLADE 有权
    风力涡轮叶片,制造风力涡轮叶片的方法,风力发电机和风力涡轮机叶片监测系统,包括风力涡轮机叶片

    公开(公告)号:US20130220005A1

    公开(公告)日:2013-08-29

    申请号:US13771533

    申请日:2013-02-20

    IPC分类号: G01M15/14 F03D1/06

    摘要: A wind turbine blade used in a wind power generator that receives wind and rotates a rotating shaft of a generator includes at least two layers on a surface of a blade body, one of the layers being colored with a coating material different in color from the blade body and the rest of the layers. The layers are provided at least on a tip, particularly at a front edge of the wind turbine blade. A wind turbine blade monitoring system that monitors the wind turbine blade includes: an imaging unit that images the wind turbine blade in a predetermined position over a predetermined period at timing when the wind turbine blade passes through the predetermined position; and an indication unit that chronologically indicates imaging results of the wind turbine blade imaged by the imaging means.

    摘要翻译: 用于接收风并使发电机的旋转轴旋转的风力发电机中的风力涡轮机叶片包括在叶片体的表面上的至少两层,其中一层用与叶片不同颜色的涂层材料着色 身体和其余的层。 这些层至少设置在尖端上,特别是在风力涡轮机叶片的前边缘处。 监测风力涡轮机叶片的风力涡轮机叶片监控系统包括:成像单元,其在风力涡轮机叶片通过预定位置的定时在预定时间段内将风力涡轮机叶片成像在预定位置; 以及按照时间顺序指示由成像装置成像的风力涡轮机叶片的成像结果的指示单元。

    METHOD OF DETECTING DAMAGE OF WIND TURBINE BLADE, AND WIND TURBINE

    公开(公告)号:US20180230971A1

    公开(公告)日:2018-08-16

    申请号:US15671776

    申请日:2017-08-08

    摘要: A method of detecting a damage of a wind turbine blade of a wind turbine rotor includes: a light input step of inputting light into a fiber-optic sensor mounted to the wind turbine blade; a light detection step of detecting reflection light from the grating portion; an obtaining step of obtaining a wavelength fluctuation index representing a fluctuation amount of a wavelength of the reflection light detected in the light detection step; and a detection step. The detection step includes detecting the presence or the absence of the damage of the wind turbine blade based on the wavelength fluctuation index taking account of a correlation between the wavelength fluctuation index of the wind turbine blade and a load index related to a load applied to the wind turbine blade, or a correlation between the wavelength fluctuation index and a temperature index related to a temperature of the wind turbine blade.

    WIND TURBINE GENERATOR SYSTEM, WIND TURBINE BLADE, AND REINFORCING METHOD FOR WIND TURBINE BLADE

    公开(公告)号:US20180223799A1

    公开(公告)日:2018-08-09

    申请号:US15705245

    申请日:2017-09-14

    摘要: A wind turbine blade is reinforced while suppressing possible stress concentration resulting from a load imposed on a blade root portion of the wind turbine blade in a flap direction. The wind turbine blade includes a blade main body extending from the blade root portion toward a blade tip portion and an FRP reinforcing layer formed so as to cover at least a part of the outer surface of the blade root portion of the blade main body. The FRP reinforcing layer includes a plurality of laminated fiber layers and a resin with which the plurality of fiber layers is impregnated. The FRP reinforcing layer is formed such that, in a cross section along a longitudinal direction of the blade main body, both ends of the plurality of laminated fiber layers in the longitudinal direction are tapered.

    METHOD FOR DETECTING DAMAGE OF WIND TURBINE BLADE AND WIND TURBINE
    9.
    发明申请
    METHOD FOR DETECTING DAMAGE OF WIND TURBINE BLADE AND WIND TURBINE 审中-公开
    检测风力涡轮叶片和风力涡轮机损伤的方法

    公开(公告)号:US20160245262A1

    公开(公告)日:2016-08-25

    申请号:US14809916

    申请日:2015-07-27

    IPC分类号: F03D17/00 G01M11/08

    摘要: A method for detecting damage of a wind turbine blade of a wind turbine rotor having at least one wind turbine blade comprises: a light incident step of allowing light to enter an optical fiber sensor being mounted on each of the wind turbine blade and having a diffraction grating part having a refractive index which is periodically varied in a longitudinal direction of the diffraction grating part; a light detection step of detecting reflected light from the diffraction grating part; an obtaining step of obtaining, from a temporal change of a wavelength of the reflected light received in the light receiving step, a wavelength variation index representing a variation amount of the wavelength; and a damage determination step of determining presence or absence of a damage of the wind turbine blade on the basis of the wavelength variation index calculated in the obtaining step.

    摘要翻译: 用于检测具有至少一个风力涡轮机叶片的风力涡轮机转子的风力涡轮机叶片的损坏的方法包括:光入射步骤,允许光进入安装在每个风力涡轮机叶片上并具有衍射的光纤传感器 光栅部分具有在衍射光栅部分的纵向上周期性变化的折射率; 光检测步骤,检测来自衍射光栅部分的反射光; 从光接收步骤中接收的反射光的波长的时间变化获得表示波长的变化量的波长变化指标的获取步骤; 以及破坏确定步骤,其基于在获得步骤中计算的波长变化指数来确定风力涡轮机叶片的损坏的存在或不存在。