CN112576439A - 一种风力涡轮机和利用风力发电的方法 - Google Patents
一种风力涡轮机和利用风力发电的方法 Download PDFInfo
- Publication number
- CN112576439A CN112576439A CN202010443222.6A CN202010443222A CN112576439A CN 112576439 A CN112576439 A CN 112576439A CN 202010443222 A CN202010443222 A CN 202010443222A CN 112576439 A CN112576439 A CN 112576439A
- Authority
- CN
- China
- Prior art keywords
- air
- blade
- wind
- blades
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 12
- 230000005611 electricity Effects 0.000 title claims description 5
- 239000000428 dust Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000954177 Bangana ariza Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Classifications
-
- 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
- F03D7/024—Adjusting aerodynamic properties of the blades of individual blades
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- 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
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
-
- 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
- F03D7/0276—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
-
- 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
- F03D7/04—Automatic control; Regulation
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
- F03D80/55—Cleaning
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
- F03D80/88—Arrangement of components within nacelles or towers of mechanical components
-
- 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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/17—Combinations of wind motors with apparatus storing energy storing energy in pressurised fluids
-
- 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
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
- F05B2240/221—Rotors for wind turbines with horizontal axis
-
- 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
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/301—Cross-section characteristics
-
- 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
- F05B2260/60—Fluid transfer
- F05B2260/601—Fluid transfer using an ejector or a jet pump
-
- 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
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
-
- 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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
传统风力涡轮机的叶片几乎都有可调节的螺距;也就是说,它们可以绕其长度旋转,以改变叶片对风的迎角。这很有必要,因为有效迎角随风速和转速而变化。特别是,在极高的风速下,叶片可以被“羽化”,以减少传递给涡轮机的扭矩数量。本发明提供了一种风力涡轮机,其中可以将加压空气输送到叶片1上的出风口21。这样,可以控制叶片1的空气动力性能,从而有效地使叶片羽化,而不需要用强劲的机械系统来转动叶片。
Description
技术领域
本发明主要涉及一种风力涡轮机和一种利用风力发电的方法,并在高风速和低风速的情况下起到特别的(尽管不是排他性的)用途。
背景技术
传统风力涡轮机的叶片几乎都有可调节的螺距。也就是说,它们可以绕其长度旋转,以改变叶片对风的迎角。这很有必要,因为有效迎角随风速和转速而变化。特别是,在极高的风速下,叶片可以被“羽化”,以减少传递给涡轮的扭矩数量。
发明内容
根据本发明的第一个方面,提供了一个风力涡轮机,包括:多个叶片,每个叶片为翼型,并且在迎风面和其前缘上设置有相应的多个出风口;一个空气分配系统,用于将空气输送到每个出风口;一个加压气源,配置成在压力高于环境压力的条件下向空气分配系统供应空气;以及一种空气控制系统,用于控制要输送到每个出风口的空气压力。
这样,用风力涡轮机上的出风口可以改变叶片的空气动力性能,从而有效地使叶片羽化,而不需要用强劲的机械系统来转动叶片。以这种方式,固定螺距涡轮机可以在风速太低或太高的情况下运行。这在需要将风力涡轮机的转速保持在细微公差内的系统中非常有用,例如,在需要直接发电而无需进行频率转换的系统中。
向出风口供应空气可以减少空气中的颗粒(例如灰尘、沙子、砂砾和/或碎片)对风力涡轮机叶片造成的损坏。输送到多个出风口中的每一个出风口的加压空气可以防止或阻碍颗粒撞击风力涡轮机叶片。在使用中,叶片顶端的轨道角速度高于叶片旋转轴远侧的叶片部分。因此,输送到与叶片尖端相邻的出风口的空气压力可以高于输送到与叶片底部相邻的出风口的空气压力;也就是靠近叶片旋转轴的叶片部分。输送到每个出风口的空气压力可以与沿所述出风口(例如,从叶片的旋转轴)的叶片的径向位置的平方成比例。输送到每个出风口的空气压力可以与所述出风口位置处的叶片速度的平方成比例。
风力涡轮机可以是水平轴风力涡轮机;但是,也可以考虑垂直轴风力涡轮机,例如Darrieus风力涡轮机。
多个叶片可以是两个叶片、三个叶片、四个叶片、五个叶片或更多个叶片。
每个叶片可以包括翼型和/或翼面。翼型轮廓可以指横截面和/或周长。
相应的多个出风口中的每一个出风口可以包括多个子出风口,例如,子出风口阵列。
可以选择设置出风口的位置来减轻涡轮叶片上的灰尘积聚,和/或改变叶片的有效(例如,虚拟)外形和/或其螺距。
在每个叶片的迎风面上可以指在配置成面向风向的每个叶片的表面上。在每个叶片的前缘上可以指在配置成面向旋转方向的叶片边缘上。因此,出风口可以设置成既朝向风向又朝向旋转方向。
空气分配系统可包括用于空气流过的管道,软管或通道。
空气控制系统可以独立地控制到每个相应的多个出风口和/或每个子出风口的空气,和/或可以同时控制到每个相应的多个出风口的空气。例如,空气控制系统可以仅向第一叶片输送空气,接着仅向第二叶片输送空气,接着仅向第三叶片输送空气,接着仅向第一叶片输送空气,依此类推。或者,空气控制系统可以将空气同时输送到第一、第二和第三叶片。
加压空气源可包括空气压缩机、压力容器和/或一些其他加压空气源。高于环境压力可包括至少高于大气压力和/或环境压力的5%、10%、15%、25%、35%、50%、100%或更多。
加压空气源可以配置成选择性地控制何时产生加压空气和/或在什么压力下产生加压空气。或者,它可以配置为连续产生加压空气。
多个出风口中至少有一个出风口可以形成空气放大器的一部分。
空气放大器可包括诸如在授权的美国专利US8,308,445中公开的系统,其中内部通道通向嘴部,用于在位于嘴部附近的表面上喷射空气。效应是一种已经经过验证、有完善记录的挟带方法,通过这种方法,主要的气流直接通过表面。关于表面特征的描述,以及表面上流体流动的影响,可以在1963年6月第84至92页的《科学美国人》Reba第214卷的文章中找到。以这种方式,来自出风口的气流将空气挟带到嘴部周围,从而起到空气放大器的作用。
例如,空气放大器可以作用于涡轮叶片上吸入更多的空气,从而提高转速。
多个出风口可以包括至少一个喷嘴。出风口可以是细长的;即大体上宽度大于高度,如至少三倍、五倍、十倍和/或一百倍。或者,出风口大体上可以为圆形、方形和/或任何其他形状。
根据本发明的第二个方面,提供了一种利用风力发电的方法,该方法包括以下步骤:提供根据任何前述权利要求的风力涡轮机;以及将空气从加压气源输送到多个叶片的各自叶片上的多个出风口。
附图说明
通过以下的详细描述,结合附图,本发明的上述及其他特性、特征和优点将变得显而易见,附图通过举例说明了本发明的原理。在不限制本发明范围的情况下,仅出于示例的目的给出该描述。下面引用的参考数字指的是附图。
图1示出了一种风力涡轮机。
具体实施方式
本发明将参照一些附图来描述,但是本发明不限于此,而仅受权利要求限制。所描述的附图仅是示意性的,并且是非限制性的。每幅图可能不包括本发明的所有特征,因此不一定认为是本发明的实施例。在附图中,出于说明性的目的,某些元件的大小可能被突出并且不按比例绘制。所有尺寸和相关尺寸不对应于本发明实践的实际缩减。
此外,说明书和权利要求中的术语“第一”、“第二”、“第三”等用于区分相似的元件,而不一定用于在时间上、空间上、排序上或以任何其他方式的顺序。应理解为,使用的这些术语在适当的情况下是可以互换的,并且该操作能够以不同于在此描述或图示的其他顺序下进行。同样,在特定序列中描述或要求保护的方法步骤可理解为以不同的顺序操作。
并且,说明书和权利要求书中的术语顶部、底部、上方、下方等用于描述性的目的,而不一定用于描述相关的位置。应理解为,使用的这些术语在适当的情况下是可以互换的,并且该操作能够在不同于在此描述或图示的其他方向上进行。
需要注意的是,权利要求中使用的术语“包括”不应解释为仅限于后面列出的方式;它不排除其他元件或步骤。因此,应将其解释为指定所述特征、数据、步骤或部件的存在,但不排除存在或添加一个或多个其他特征、数据、步骤或部件或其组合。因此,“包括方式A装置和B装置”的表述范围不应局限于仅由部件A和B组成的装置。这意味着对于本发明,仅与该装置相关的部件是A和B。
类似地,应当注意,说明书中使用的术语“连接的”不应解释为仅限于直接连接。因此,“连接到装置B的装置A”的表述范围不应局限于其中装置A的出风口直接连接到装置B的进风口的装置或系统。这意味着在A的出风口和B的进风口之间存在路径,该路径可以是包括其他装置或方式的路径。“连接的”可能指两个或多个元件直接物理接触或电接触中,或者两个或多个元件彼此没有直接接触,但仍然相互协作或相互作用。例如,可以考虑无线连接。
在本说明书中,通篇引用的“实施例”或“方面”意味着结合实施例或方面描述的特定特征、结构或特性包括在本发明的至少一个实施例或方面中。因此,在本说明书中各个地方出现的短语“在某个实施例中”、“在一个实施例中”或“在一个方面”不一定都是指相同的实施例或方面,而可以指不同的实施例或方面。此外,在一个或多个实施例或方面中,本发明的任何一个实施例或方面的特定特征、结构或特性可以以任何适当的方式与本发明的另一个实施例或方面的任何其他特定特征、结构或特性相结合,这对于本公开内容的本领域普通技术人员来说是显而易见的。
类似地,应理解为,在本说明书中,为了简化公开内容并帮助理解各个发明方面中的一个或多个方面,有时会将本发明的各个特征组合在单个实施例、附图或对其的描述中。然而,该公开内容的方法不应解释为反映出所要求保护的发明需要比在每个权利要求中明确叙述的特征更多的特征的意图。此外,所描述的任何一张附图或任何一个方面不一定是本发明的实施例。相反,如以下权利要求所反映的,创造性方面在于所有特征比单个前述公开实施例简化。因此,在此将详细的说明书后面的权利要求明确地合并到该详细的说明书中,每条权利要求作为本发明的单独实施例独立存在。
此外,尽管本文描述的一些实施例包括包含在其他实施例中的一些特征,但是不同实施例中结合一些特征是在本发明的范围内,并且如本领域技术人员理解的那样形成另外的实施例。例如,在以下权利要求中,任何要求保护的实施例都可以以任意组合进行使用。
本文提供的说明书中,阐述了许多具体细节。然而,应当理解,在没有这些具体细节的情况下仍旧可以实施本发明的实施例。在其他情况下,为了不模糊对本说明书的理解,未详细示出公知的方法、结构和技术。
在本发明的论述中,除非有相反说明,公开参数允许范围的上限或下限的备选值,加上所述值中的一个比另一个更优选,应理解为暗示所述参数的每个中间值(位于所述备选中的较优选和较不优选之间)本身优选于所述较不优选的值,并且也优选于位于所述较不优选的值和所述中间值之间的每个值。
所使用的术语“至少一个”在一些情况下可能指只有一个。所使用的术语“任何”在一些情况下可能指“所有”和/或“每个”。
现在将通过与示例性特征相关的至少一张附图的详细说明来描述本发明的原理。显然,在不背离基本概念或技术教导的情况下(本发明仅受所附权利要求的条款的限制),可以根据本领域技术人员的知识来设定其他布置。
图1示出了一个风力涡轮机,其中为了清晰易懂,仅示出了靠近轮毂3的叶片1的中心部分。轮毂3绕着穿过机舱7的轴5自由旋转,机舱7又被塔架9支撑。
在机舱7内可以是常见的能量产生设备;然而,为了清晰易懂,未示出这些设备。在机舱内还示出了加压气源11,例如空气压缩机,其可以通过线路13连接到电控系统、电源、和/或另一加压气源(使得加压空气源11仅充当中间源,与原始源(未示出)隔开)。
加压空气源可以向空气分配装置15供应加压空气,该空气分配装置15可以位于如图所示的轮毂3中,或者可以位于别处,用于控制分配经由通道17和阀19沿着叶片1流向出口21的空气。阀19可以设置成允许空气流动到可用出口的子集,以执行叶片有效的空气动力外形的不同改进操作。
Claims (3)
1.一种风力涡轮机,包括:
多个叶片,每个叶片为翼型,并且在迎风面和其前缘上设置有相应的多个出风口;
一个空气分配系统,用于将空气输送到每个出风口;
一个加压气源,配置成在压力高于环境压力的条件下向空气分配系统供应空气;
以及
一种空气控制系统,用于控制要输送到每个出风口的空气压力。
2.根据权利要求1所述的风力涡轮机,其特征在于,多个出风口中至少有一个可以形成空气放大器的一部分。
3.一种利用所述风能发电的方法,所述方法包括以下步骤:
提供根据任一前述权利要求的风力涡轮机;以及
将空气从加压气源输送到多个叶片的对应一个叶片上的多个出气口。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1913985.6A GB2587409A (en) | 2019-09-27 | 2019-09-27 | A wind turbine and method of generating power from the wind |
GB1913985.6 | 2019-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112576439A true CN112576439A (zh) | 2021-03-30 |
Family
ID=68539060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010443222.6A Pending CN112576439A (zh) | 2019-09-27 | 2020-05-22 | 一种风力涡轮机和利用风力发电的方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20210095638A1 (zh) |
EP (1) | EP3798442A1 (zh) |
JP (1) | JP2021055671A (zh) |
KR (1) | KR20210037539A (zh) |
CN (1) | CN112576439A (zh) |
AU (1) | AU2020202429A1 (zh) |
CA (1) | CA3077318A1 (zh) |
GB (1) | GB2587409A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2605439B (en) * | 2021-03-31 | 2023-08-30 | Ogab Ltd | A wind turbine and method of generating power from the wind |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8308445B2 (en) * | 2007-09-04 | 2012-11-13 | Dyson Technology Limited | Fan |
CN102889176A (zh) * | 2011-07-19 | 2013-01-23 | 西门子公司 | 风力涡轮机的控制、转子叶片以及风力涡轮机 |
WO2014084796A1 (en) * | 2012-11-27 | 2014-06-05 | Nanyang Technological University | A wind turbine and method of initiating or impeding rotation thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8602008D0 (en) * | 1986-02-28 | 1986-03-05 | Int Research & Dev Co Ltd | Wind turbine |
PT2007981T (pt) * | 2006-04-02 | 2021-02-11 | Wobben Properties Gmbh | Turbina eólica com pá esbelta |
EP2122164B1 (en) * | 2007-01-05 | 2016-03-23 | LM WP Patent Holding A/S | Wind turbine blade with lift-regulating means in form of slots or holes |
GB2452488B (en) * | 2007-09-04 | 2012-10-10 | Ulrik Rasmussen | Controlling an aerodynamic structure by dispensing a fluid |
US9239039B2 (en) * | 2008-10-27 | 2016-01-19 | General Electric Company | Active circulation control of aerodynamic structures |
US8475129B2 (en) * | 2009-12-10 | 2013-07-02 | General Electric Company | Systems and methods for assembling an air distribution system for use in a rotor blade of a wind turbine |
CN205779470U (zh) * | 2016-07-13 | 2016-12-07 | 西北工业大学 | 一种钝后缘风力机翼型环量控制装置 |
US20180023547A1 (en) * | 2016-07-19 | 2018-01-25 | Larry Jeffus | Hybrid Wind-Solar Power Generation System |
-
2019
- 2019-09-27 GB GB1913985.6A patent/GB2587409A/en active Pending
-
2020
- 2020-04-07 CA CA3077318A patent/CA3077318A1/en active Pending
- 2020-04-08 AU AU2020202429A patent/AU2020202429A1/en active Pending
- 2020-04-09 EP EP20168983.3A patent/EP3798442A1/en not_active Withdrawn
- 2020-05-22 CN CN202010443222.6A patent/CN112576439A/zh active Pending
- 2020-05-31 US US16/888,755 patent/US20210095638A1/en not_active Abandoned
- 2020-07-02 JP JP2020114906A patent/JP2021055671A/ja active Pending
- 2020-09-08 KR KR1020200114348A patent/KR20210037539A/ko unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8308445B2 (en) * | 2007-09-04 | 2012-11-13 | Dyson Technology Limited | Fan |
CN102889176A (zh) * | 2011-07-19 | 2013-01-23 | 西门子公司 | 风力涡轮机的控制、转子叶片以及风力涡轮机 |
WO2014084796A1 (en) * | 2012-11-27 | 2014-06-05 | Nanyang Technological University | A wind turbine and method of initiating or impeding rotation thereof |
Also Published As
Publication number | Publication date |
---|---|
CA3077318A1 (en) | 2021-03-27 |
EP3798442A1 (en) | 2021-03-31 |
KR20210037539A (ko) | 2021-04-06 |
JP2021055671A (ja) | 2021-04-08 |
AU2020202429A1 (en) | 2021-04-15 |
GB2587409A (en) | 2021-03-31 |
GB201913985D0 (en) | 2019-11-13 |
US20210095638A1 (en) | 2021-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK177081B1 (da) | Vindenergianlæg med strømningsflader | |
EP1780408B1 (en) | Blade for a rotor of a wind energy turbine | |
US4648801A (en) | Wind turbines | |
US20070014657A1 (en) | Blade for wind turbine | |
EP2320076A2 (en) | Wind turbine blade system for providing a controlled flow of fluid to or from a blade surface | |
EP2418374A2 (en) | Tunnel turbine system generates potential energy from dormant kinetic energy | |
US7407132B2 (en) | Method of steering aircraft by moving the stagnation point and aircraft using the method | |
WO2018162100A1 (en) | Safety system for an aerodynamic device of a wind turbine rotor blade | |
AU2009216932B2 (en) | Turbine enhancement system | |
CN103703245A (zh) | 用于提高风力发电系统的效率的系统、装置和方法 | |
US11619204B2 (en) | Wind aeolipile | |
CN112576439A (zh) | 一种风力涡轮机和利用风力发电的方法 | |
CN112912613B (zh) | 风力涡轮机 | |
CN109653944A (zh) | 一种叶尾喷气式垂直轴风力机 | |
WO2022195611A1 (en) | Shrouded fluid turbine system augmented with energy feedback, control and method thereof | |
WO2022208246A1 (en) | A wind turbine and method of generating power from the wind | |
CN110056476A (zh) | 一种建筑风能利用系统 | |
US11428210B1 (en) | Ducted counter-rotating wind turbine | |
JP2011530031A (ja) | 改良型風力設備 | |
US20220403816A1 (en) | Wind turbine blade flow regulation | |
CN115398097A (zh) | 环形升力发动机 | |
CN101363413A (zh) | 增速型风力发电机 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210330 |