Resumen de: CN122407471A
本发明公开了一种便于维护的风力发电机组偏航齿圈总成,包括塔筒顶部法兰、机舱底座、减速电机以及驱动齿轮,所述塔筒顶部法兰的顶部外侧环绕开设有榫槽圈,所述塔筒顶部法兰的顶部设置有滚道部外圈,所述滚道部外圈内侧可转动装配有滚道部内圈,所述滚道部内圈固定安装于机舱底座底部;所述榫槽圈底部设置有磁吸圈,所述榫槽圈内侧环绕装配有若干可独立拆装的分瓣齿圈,本发明采用榫槽卡合与磁吸预定位的分体式齿圈结构,替代传统整体式齿圈及普通螺栓固定分体齿圈,实现单段分瓣齿圈独立拆装、单独更换,无需整体吊装拆解,从结构上解决了传统整体齿圈局部故障需整体更换、运维成本高、高空作业风险大的技术弊端。
Resumen de: CN122407761A
本发明公开了一种超高强度高韧性风电主轴锻钢件及其热处理工艺,具体涉及风电主轴技术领域,包括横轴,所述横轴上设置有支撑组件,所述支撑组件包括套筒、两个托盘、多个散热翅片及两个定位盘,所述套筒套设于所述横轴外部。本发明通过采用锻造余热等温正火、调质淬火、双级回火和时效稳定的复合热处理工艺,使主轴同时具备超高抗拉以及屈服强度与优异冲击韧性,疲劳寿命提升,尺寸精度长期稳定,适配大功率风机长期重载运行,支撑组件集成套筒、托盘、圆周分布散热翅片,大幅扩大散热面积,快速导出主轴运行热量,避免材质热衰减;一体化支撑框架保证主轴与支撑组件同轴度误差低,降低运行振动与噪音,提升主轴运转平稳性。
Resumen de: CN122407475A
本发明提供了一种具有动态负压吸附力调节功能的动力系统装置,涉及风电检测技术领域,该装置通过将履带驱动电机负载电流和惯性测量单元获取的机身实时倾角及运动状态共同作为负压调控输入参量,结合吸附腔的多区独立压力传感与负反馈调节机制,实现了负压供给与机身动态受力状态的强耦合响应:目标负压跟随实际工况进行动态变化,每个独立负压区的实际负压随之灵活调整,降低了局部密封失效的风险,提升了机身稳定性,同时避免了全局恒高负压造成的能源浪费,达到兼顾机身稳定性和能耗的效果。并且,履带模块内置的负压增强腔体与吸附腔连通,消除了因履带接地不良引发的滑移脱附风险,进一步地提升了机身稳定性。
Resumen de: CN122403248A
本发明公开一种配备液压驱动装置的海上风电运维登降装置,属于海洋工程风电场运维装备技术领域。其包括液压驱动设备和升降系统,液压驱动设备含设备舱、液压驱动电机、可伸缩液压驱动轴等部件,升降系统含升降柱、载人平台、吊笼围栏等部件,还包括风机平台甲板、运维船舶等辅助结构。装置设运维和非运维两种模式,运维时液压驱动载人平台下降至船舶登乘高度实现无靠泊登陆,非运维时平台提升至甲板高程避开波浪力。本发明解决深远海运维登靠难题,提升登降安全性与效率,取消靠船构件优化基础结构、降低成本,密封设计适应海洋环境,操作便捷,适用于深远海风机基础运维登降作业。
Resumen de: CN122407936A
本发明属于森林病虫害防治技术领域,具体公开了一种森林资源保护用病虫害防治装置及方法,病虫害防治装置包括承载索、吊具单元、风力驱动单元、卷簧蓄能机构及诱虫单元。承载索两端固定于树干,吊具单元通过承载轮滚动设置在承载索上。风力驱动单元将自然风能转化为机械动力,驱动承载轮沿承载索行走;卷簧蓄能机构在风力充足时储存机械能,风力较弱时释放能量并带动承载轮反向转动,实现装置自动往复移动。诱虫单元内设风扇,与动力机构联动运转以加速引诱剂扩散,实现害虫高效诱集。本发明有效扩大诱集范围、提升防治效果,适用于自然保护区森林资源绿色保护与病虫害防治作业。
Resumen de: CN122407454A
本公开提供一种风机变桨控制方法及系统,其通过融合桨叶根部弯矩、机舱塔顶加速度等多源敏感信号,构建能够实时表征风机运行状态的特征向量,从而实现对极端阵风事件的提前、精准识别与等级评估。基于此预警信息,控制系统能够进行智能决策,在正常工况下维持高效平稳的PID控制;一旦识别出阵风威胁,则立即切换至应急控制模式,并根据阵风等级,果断执行一个与之匹配的、快速且大幅度的前馈变桨指令。这种方式使得控制动作能够抢在转速严重超调和极限载荷形成之前完成,将控制逻辑从事后的被动补偿转变为事前的主动抑制,有效保障机组在恶劣风况下的运行安全。
Resumen de: CN122416166A
本申请适用于海上风电技术领域,提供了一种灌浆连接结构的疲劳寿命预测模型的训练方法、疲劳寿命预测方法、设备及产品,所述方法包括:在获取疲劳荷载下灌浆连接结构的CT扫描图像之后,通过CNN得到灌浆连接的空间特征信息;通过LSTM基于空间特征信息得到初始预测结果。然后基于初始预测结果、试验数据和损伤函数确定初始损失数据,基于所述初始损失数据确定损失函数中的可变参数,基于损失函数进行多次迭代更新,得到训练完成的疲劳寿命预测模型。在CT扫描数据样本较少的条件下,通过融合试验数据与物理约束,仍能够实现灌浆连接结构损伤演化全过程的高精度预测,并有效提高疲劳寿命评估结果的准确性和物理一致性。
Resumen de: CN122407463A
本发明公开了一种风力发电装置,包括下支撑柱,下支撑柱的顶面固定有中心柱体,所述中心柱体的下部固定有底部水平网架,中心柱体的顶部安装有顶部水平架,侧环形风门架的下部固定在底部水平网架的外侧处,侧环形风门架的顶部固定在顶部水平架的外侧处;所述侧环形风门架的侧部上安装有多个风门板;它通过单个叶轮转动,可以实现多个发电机同步发电,大大提高发电量,而且其可以在较小风量下就可以实现转动,提高其发电时间,提高风力利用率。
Resumen de: CN122407489A
本发明公开了一种海上风电设备应急维修设备及其方法,包括维修母船、若干维修模组、栈桥连接通道及爬升机器人;栈桥连接通道的一端铰接于维修母船上,另一端通过夹持机构搭接于海上风机的塔筒上;通过维修母船上的吊装机构将对应的维修模组吊装于爬升机器人的安装舱内;爬升机器人包括滑移底盘以及安装于其上的安装舱和夹持式爬行机构,爬升机器人经滑移底盘滑行于栈桥连接通道的轨道上;安装舱用于容纳维修模组;夹持式爬行机构上具有由电动伸缩杆所驱动的走行轮,爬升机器人通过贴紧于塔筒上并通过驱动走行轮实现在塔筒上的爬升。本发明的优点是:集成了维修母船、可快速部署的栈桥通道和模块化的爬升机器人,形成一体化应急维修平台。
Resumen de: CN122408643A
一种基于SERS比值映射的宽量程大应变监测与应力反演方法,它属于光学应变传感器领域。本发明的目的是要解决现有光学应变传感器量程有限、难以满足大变形结构健康监测需求的技术难题。方法:一、制备BAP应变传感器;二、构建应变ε与SERS信号参量Hε的函数关系;三、应变监测;四、应力反演。本发明将有序SERS纳米结构集成于柔性基底形成传感界面,在外力作用下随柔性基底发生形变,可引起SERS结构中纳米粒子间距的变化,进而表现为SERS信号的灵敏变化;本发明实现了在0‑32%宽应变范围内的高线性、高稳定性检测;可结合被测材料的标准化应力‑应变曲线推算出材料所承受的应力。
Resumen de: CN122407488A
本发明公开了一种风机叶片覆冰预警与监测控制系统,涉及风力发电领域,包括:区域划分模块;测试模块,所述测试模块预先测试得到单位面积的冰块对风机叶片的基准附着力;覆冰估计模块,所述覆冰估计模块建立冰厚度预测函数,分析得到冰覆盖区的覆冰质量;脱落识别模块,所述脱落识别模块将冰覆盖区分类为脱落区域和非脱落区域;模拟模块,所述模拟模块形成覆冰质量对风机叶片振动影响的频率拟合函数;振动分析模块,所述振动分析模块得到实际振动频率;预警模块。通过设置测试模块、覆冰估计模块、脱落识别模块和模拟模块,避免了非必要情况的考虑,对于较少的覆冰情况予以忽略,减少了预警后续的应对措施的人力耗费。
Resumen de: CN122407459A
本发明公开了一种风光核储长距离供汽的系统和方法,属于核能利用与热能输送技术领域,包括电厂供汽母管、电厂供电加热段、风电供电加热段和光伏供电加热段;电厂供汽母管的出口接电厂供电加热段的入口,电厂供电加热段的出口接风电供电加热段的入口,风电供电加热段的出口接光伏供电加热段的入口,光伏供电加热段的出口接蒸汽用户的入口,电厂供汽母管、电厂供电加热段、风电供电加热段和光伏供电加热段共同组成了输汽管道。本发明将输汽的管道作为受热面,节约了换热器材料。
Resumen de: CN122407485A
本公开提供一种风机叶片预测式除冰的方法及装置、电子设备和存储介质,涉及叶片除冰技术领域,通过将覆冰预测数据作为前馈输入、覆冰监测数据作为反馈输入进行融合决策以生成兼顾预除冰时机与实时调节参数的气热除冰控制指令,驱动气热除冰执行机构分区加热除冰,并将除冰效果数据与覆冰监测数据反馈迭代优化覆冰预测模型、动态调整控制策略以形成数据链路闭环,因此,可以解决现有技术中因覆冰预测、覆冰监测与气热除冰控制相互独立、数据链路未闭环,除冰控制策略单一滞后且无法自适应优化的问题,达到实现覆冰预测‑监测‑除冰控制协同闭环、提升除冰控制精准性与时效性、实现预测模型与控制策略自适应优化、提高系统智能化水平的技术效果。
Resumen de: CN122399290A
本发明公开了一种用于海上风电平台的应急防护系统及方法,属于海上风电技术领域,本发明首先通过在海上风电平台上设置平台主体结构实现对储能舱的承载,为储能舱的分离提供基础,其次通过锁紧装置来将储能舱与平台主体结构连接锁定,然后利用传感器网络采集的储能舱的多源监测数据来实现火灾情况的探测,在探测出现火灾的情况下,将信息传递给释放执行器,最后释放执行器通过监测数据的驱动,使得与其传动连接的锁紧装置解除平台主体结构与储能舱连接,在导向轨道的引导下让储能舱滑向海中,避免了储能舱的火灾波及海上风电平台的其他设备,将储能舱主动分离至海上,让险情能够得到进一步控制,降低失控风险,提升安全性。
Resumen de: CN122407477A
本发明公开了混塔风电机组钢‑混过渡区实时倾角动态预警方法,涉及大型风力发电设备结构健康监测与安全评估领域。该方法首先在钢‑混过渡区同步采集倾角数据、应变数据及风速、功率等环境载荷数据,离线构建“工况‑弹性响应”基准模型;在线监测阶段,将实时多源数据输入基准模型得到理论弹性倾角,通过残差计算提取真实永久倾角;结合实时工况动态匹配预警阈值,采用分级策略实现故障预警,并利用微风或停机时段数据自适应更新模型,补偿环境漂移。本发明突破了传统单一倾角监测的局限,抗干扰能力强、灵敏度高,可有效识别螺栓松动、法兰开裂、基础不均匀沉降等早期故障,无需额外增加硬件,为风电机组安全运维提供精准决策依据。
Resumen de: CN122407480A
本发明公开了一种风机故障检测方法、系统、设备及介质,具体涉及风电机组检测技术领域,要点为:获取多个分量特征之间的标准差和相关系数,利用CRITIC客观赋权法计算得到每个分量特征的特征权重;对每个IMF分量的多个分量特征进行调整融合,得到每个IMF分量的评分系数,利用最大类间方差法筛选得到至少一个有效分量;利用滑动窗口对每个有效分量进行分段,在每个有效分量中获取每个滑动窗口内的局部标准差;利用局部标准差和对应有效分量的分量自适应阈值,计算得到每个滑动窗口内的降噪阈值;利用降噪阈值对每个滑动窗口内的有效分量进行降噪处理;对降噪处理后的至少一个有效分量进行重构,利用重构后的特征信号进行风机故障检测,得到故障检测结果。
Resumen de: CN122407263A
本发明涉及矿井通风技术领域。本发明提供一种调节风窗。该调节风窗包括主架体、扇叶组件、风力发电组件以及风罩组件,扇叶组件设置于主架体上,扇叶组件包围形成通风腔,扇叶组件的叶片可转动并通过叶片的转动调整通风腔与外部的连通面积,风力发电组件设置于通风腔内并用于将通风腔内的风能转换为电能,风罩组件设置于通风腔内,风罩组件在张开状态和压缩状态之间可切换,风罩组件处于压缩状态时,风力发电组件暴露于通风腔内,风罩组件处于张开状态时,风罩组件罩设于风力发电组件外侧。在实现风量调节的同时,实现风能回收,提升能源利用效率。
Resumen de: CN122407458A
本申请涉及风电技术领域和人工智能技术领域,本申请公开了基于风电场的偏航参数优化方法、装置、设备及存储介质,该方法包括:生成风电场的多个偏航角序列,将每个偏航角序列输入预设的功率预测模型,通过功率预测模型生成风电场在每个偏航角序列下的发电总功率;根据风电场在每个偏航角序列下的发电总功率、风电场在每个偏航角序列下的机组载荷方差、风电场在每个偏航角序列下的功率波动强度以及预设的优化函数,生成风电场在每个偏航角序列下的综合优化值,选取综合优化值最大的偏航角序列作为风电场的最优偏航角序列,最优偏航角序列包括每台风力发电机组对应的最优偏航角。本申请有利于提高风电场的最优偏航角序列的获取效率。
Resumen de: WO2025131277A1
The present disclosure relates to wind turbines (10) and methods (100) for operating wind turbines (10). A method (100) for operating a wind turbine (10) comprises determining (140) a voltage below a predetermined level between the power converter (104) and the main transformer (105); and in response to determining (140) the voltage below the predetermined level, an auxiliary energy source (84) may supply power to one or more of the auxiliary components (108, 109). The auxiliary transformer (106) may be de-energized (160) and the auxiliary transformer (107) may be changed (170) to a different transformer ratio and then power may be delivered (180) to the auxiliary components (108, 109) using the auxiliary transformer (107) with the changed transformer ratio. Suitable control systems (36) and wind turbines (10) are disclosed as well.
Resumen de: WO2025131207A1
In a first aspect of the present invention there is provided a wind turbine blade spar cap. The spar cap has an upper spar cap surface, a lower spar cap surface, and a spar cap thickness defined between the upper and lower spar cap surfaces. The spar cap has a middle portion throughout which the spar cap thickness is substantially constant, and a tapered end portion in which the spar cap thickness decreases towards an end of the spar cap. The spar cap comprises a plurality of pultrusion layers arranged in a stack. Each pultrusion layer has an upper pultrusion layer surface, a lower pultrusion layer surface, and a layer thickness defined between the respective upper and lower pultrusion layer surfaces. The stack comprises a first substack comprising a plurality of pultrusion layers and a second substack comprising a plurality of pultrusion layers. The stack further comprises an intermediate pultrusion layer comprising a tapered end section in which the layer thickness of the intermediate pultrusion layer decreases towards the end of the spar cap. The tapered end section is located in the tapered end portion of the spar cap. The intermediate pultrusion layer is sandwiched between the first and second substacks such that, in the tapered end portion of the spar cap, the tapered end section of the intermediate pultrusion layer is sandwiched between a plurality of pultrusion layers of the first substack and a plurality of pultrusion layers of the second substack.
Resumen de: WO2025131206A1
In a first aspect of the present invention there is provided a wind turbine blade spar cap. The spar cap has an upper spar cap surface, a lower spar cap surface, and a spar cap thickness defined between the upper and lower spar cap surfaces. The spar cap also has a middle portion throughout which the spar cap thickness is substantially constant, and a tapered end portion in which the spar cap thickness decreases towards an end of the spar cap. The spar cap comprises a plurality of pultrusion layers arranged in a stack, each pultrusion layer having an upper pultrusion layer surface, a lower pultrusion layer surface, and a layer thickness defined between the respective upper and lower pultrusion layer surfaces. The layer thickness of each pultrusion layer in the stack is substantially the same throughout the middle portion of the spar cap. The stack comprises an upper pultrusion layer defining at least part of the upper spar cap surface, a lower pultrusion layer defining at least part of the lower spar cap surface, and an intermediate pultrusion layer arranged between the upper and lower pultrusion layers. The intermediate pultrusion layer comprises a tapered end section in which the layer thickness of the intermediate pultrusion layer decreases towards the end of the spar cap. The tapered end section is located in the tapered end portion of the spar cap. The tapered end section comprises a non-uniform rate of taper, and the tapered end section is sandwiched between at least tw
Resumen de: WO2025131215A1
A first aspect of the invention provides a wind turbine blade comprising an inboard wind turbine blade portion and an outboard wind turbine blade portion for joining together by a joint, each of the inboard and outboard wind turbine blade portions having an end with an aerofoil profile, the end of each of the respective wind turbine blade portions having a plurality of inserts embedded therein, each insert comprising an end portion having a connection for coupling the insert to another of the inserts across the joint and an extension portion which extends away from the end portion to an insert tip, each connection having a connection centre, wherein the plurality of inserts are sandwiched between fibre reinforced composite layers forming a shell of the wind turbine blade, the shell having a shell thickness between inner and outer surfaces of the shell, wherein a shell half thickness value is defined as half of the shell thickness just beyond a respective insert tip in a direction away from the joint, wherein at least one of the inserts has its connection centre located a first distance from a neutral axis of the blade, and the shell half thickness is located a second distance from the neutral axis, where the first distance is at least the second distance.
Resumen de: WO2025136363A1
A floating offshore wind turbine includes a buoyant tension leg platform with radially extending braces. A tensioned mooring line and tensioning device is connected to each brace. A control system in communication with the tensioning devices determines determine a wind condition of wind acting on the wind turbine and, based on the wind condition, determines a set length of the mooring lines to induce a pitch offset in the tension leg platform and a lean angle of the tower into the wind The lean angle is computed to generate a gravity moment in the wind turbine that offsets a bending moment induced in the tower from the wind.
Resumen de: WO2025131208A1
A wind turbine blade comprising: a first blade portion having a shell that defines a suction side, a pressure side, a leading edge, a trailing edge, and a first spar cap portion, the first blade portion further including a first blade portion end surface at one end of the first blade portion; a second blade portion having a shell that defines a suction side, a pressure side, a leading edge, a trailing edge, and a second spar cap portion, the second blade portion further including a second blade portion end surface at one end of the second blade portion, wherein the first blade portion and the second blade portion are configured to be coupled together at the first and second blade portion end surfaces; a connection joint for coupling the first and second blade portions together, wherein the connection joint includes a connector for connecting to the first blade portion end surface and to the second blade portion end surface, the connector including electrically conductive material; and a lightning protection system including a down conductor portion in each of the first and second blade portions, wherein there is a gap between the connector and at least one of the down conductor portions, the lightning protection system further comprising an electrical cable electrically bonding the connector to the at least one down conductor portion across the gap.
Nº publicación: CN122422655A 17/07/2026
Solicitante:
通用电气维诺瓦可再生能源西班牙有限公司
Resumen de: WO2025131318A1
The present disclosure is related to methods (100, 200) for determining an aerodynamic imbalance in a wind turbine rotor (18). A method (100) comprises determining (110) a fore-aft oscillation of the wind turbine (10), determining (120) an azimuth angle of a blade (22) of the wind turbine (10), and based on the fore-aft oscillation and based on the azimuth angle, determining (130) a magnitude of the aerodynamic imbalance and determining a location of the aerodynamic imbalance. A controller (36) suitable for carrying out such methods (100, 200) and a wind turbine (10) comprising such a controller (36) are also provided.