CN102918207B - 具有直升机起降坪的风力机 - Google Patents

具有直升机起降坪的风力机 Download PDF

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CN102918207B
CN102918207B CN201180022793.1A CN201180022793A CN102918207B CN 102918207 B CN102918207 B CN 102918207B CN 201180022793 A CN201180022793 A CN 201180022793A CN 102918207 B CN102918207 B CN 102918207B
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energy conversion
conversion system
wind energy
level ground
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CN102918207A (zh
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S·西格弗里德森
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MingYang Smart Energy Group Co Ltd
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Aerodyn Engineering GmbH
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28Supporting or mounting arrangements, e.g. for turbine casing
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F3/00Landing stages for helicopters, e.g. located above buildings
    • 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
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/40Arrangements or methods specially adapted for transporting wind motor components
    • 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
    • F03D7/0264Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
    • F03D7/0268Parking or storm protection
    • 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
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • 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
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50Maintenance or repair
    • 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
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/80Arrangement of components within nacelles or towers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02Structures made of specified materials
    • E04H12/08Structures made of specified materials of metal
    • 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
    • F05B2240/00Components
    • F05B2240/90Mounting on supporting structures or systems
    • F05B2240/91Mounting on supporting structures or systems on a stationary structure
    • F05B2240/912Mounting on supporting structures or systems on a stationary structure on a tower
    • 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
    • F05B2240/00Components
    • F05B2240/90Mounting on supporting structures or systems
    • F05B2240/95Mounting on supporting structures or systems offshore
    • 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
    • F05B2260/00Function
    • F05B2260/30Retaining components in desired mutual position
    • F05B2260/31Locking rotor in position
    • 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
    • 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
    • Y02E10/727Offshore wind turbines
    • 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
    • Y02E10/728Onshore wind turbines

Abstract

本发明涉及一种风力机(10),该风力包括塔架、可转动地设置在塔架上的机舱以及设置在机舱上的直升机起降坪,其特征在于,风力机具有风轮和锁定装置,该风轮具有至多两个风轮叶片,该锁定装置用于将风轮锁定在风轮叶片水平延伸的位置,并且直升机起降坪设置在机舱上,以使上塔架部段的横截面在俯视图中完全位于直升机起降坪的外轮廓内。

Description

具有直升机起降坪的风力机
本发明涉及一种风力机,该风力机包括塔架、可转动地设置在塔架上的机舱和设置在机舱上的直升机起降坪。
除了在离岸地区内建立风力机之外,还对离岸风力机的维护以及对维护离岸风力机人员的安全性和实施这些任务的物流提出较高的要求。会有用地建立风力机的离岸地区同时是具有年均大风速、多变的天气状况和大浪的地区及由此在极端条件下几乎无法到达或完全无法到达的地区。
由于经济原因而存在的、保持风力机的停机时间尽可能短的必要性与在离岸风力机的维护或维修情况下到达离岸风力机的可能性相矛盾。特别是,由于这种风力机的分散的所在地,必须还考虑到从大陆到达离岸风力机所需的时间。此外,风力机的维护情况还定期与极端天气状况同时发生,这种极端天气状况仅在非常短的时间窗内允许接近需要维修的风力机。
因此,已提出离岸风力机的多个装置,以通过航空或通过水面上的以及水面下的水路来将人员安全地转移到需要维护的设备。
尽管如例如在DE 10 2005 055 585 A1中建议借助潜水艇在水面下方到达离岸风力机的行程在很大程度上与天气状况无关,但该方法非常耗时并且需要用于引到离岸风力机的、专门构造的水下交通工具。
在水面上的两种所述运输类型中,较佳地是用直升机来运送材料和/或人员,这是因为与船相比,来回行程必须计划的时间少。特别是在快速变化的天气状况的情况下,通过船来运输(所花的时间)几乎不可预计。
特别是对于借助直升机来运输有利的是,可直接将人员放置于风力机的机舱上,这是因为人员不必为了维护目的通过塔架登上机舱,并且可保持需要维护的设备的停机时间较短。
为了将人员从直升机放置到风力机上,例如已知设置在风力机的机舱上、向上开口的罩式结构、即所谓的升降平台,人员可以借助绞盘从直升机放下到该升降平台上。然而,将人员从在风力机上方浮荡的直升机放下的过程需要飞行员、操作绞盘的直升机人员、以及在绞盘的绳索处钩住并放下到风力机上的维护人员较高的注意力,而这些人员又必须具有特殊的资质。此外,此过程也不方便并且对于所有参与此过程的人来说不是无风险的。
作为替代方式已公开了支承于风力机的塔架上和/或机舱上的直升机起降坪;还参见DE 100 13 442 C1或DE 202 05 396 U1。设置在风力机上的直升机起降坪的优点在于,飞行员不必将直升机保持在风力机上方,且人员可以容易且方便地离开直升机,而且对于人员来说也不存在通过攀索而下所造成的安全风险。此外,还可以节省燃料,因为直升机不必返回到它的基地或在风力机的区域内盘旋,而是在维护的时间段内可直接停在风力机上。在技术人员在维护工作时受伤的情况下,将该技术人员运走也容易得多。
然而,直接设置在风力机上的直升机起降坪的缺点是,起降坪基本上必须与风轮相对地设置在机舱所在的高度,并由此离风力机的机舱轮毂和风轮叶片尽可能远地设置,以使直升机的转子叶片与风力机的风轮叶片不相碰撞。为此规定了最小间距。然而,为了将直升机起降坪的自重和置于该起降坪上的负载引入塔架内或风力机内,这种结构需要将支承部件设计成大尺寸,这种设计又增加了风力机的整个重量、在生产各个部件时产生的工作量以及它们的成本。
因此,本发明的目的是提供一种风力机、特别是离岸风力机,该风力机具有用于直升机的起降设备,该起降设备对风力机的静力状态造成尽可能小的影响,并且具有尽可能简单和轻质的连接结构。
此目的通过具有权利要求1的特征的风力机来实现。从属权利要求规定了本发明的有利设计。
本发明是基于多个特征的有利组合,这些特征仅共同允许成功地实施本发明的构思:
1.根据本发明的风力机必须是具有两叶片风轮的风力机。
该风力机可以仅是具有至多两个风轮叶片的风力机。在具有三个风轮叶片的风力机的情况下,存在根据本发明须避免的问题,即,风力机的风轮叶片即便在锁定的风轮的情况下也具有对于直升机、特别是直升机的转子叶片的相碰撞风险,这是因为三叶片风轮中总有至少一个叶片在机舱的顶上延伸。
2.风力机必须具有锁定装置,两叶片风轮可以借助该锁定装置锁定在两叶片风轮的叶片在水平位置延伸的位置。锁定装置例如可具有如从DE 102008 063 043 B4已知的设计。
因而,可消除第1点中提及的、风力机的风轮叶片与直升机的转子叶片相碰撞的风险,本发明的风力机的两叶片风轮必须可以锁定在水平位置,以使没有叶片在机舱顶部的上方延伸。
由此,可向飞向根据本发明的风力机的直升机飞行员提供清楚的接近状况,而不必担心垂向延伸过起降坪的结构。
3.最后,上塔架部段的横截面在本发明的风力机的俯视图中完全位于直升机起降坪的外轮廓内部。
风力机的此特性确保由直升机起降坪所承载的负载以及直升机起降坪本身的负载能以最短的路径和基本上垂直地引入风力机的塔架内。这种设计实现构造的高度稳定性,该构造具有对于降落过程和将直升机停在风力机上的高度安全性。由于为此不需要悬臂,直升机起降坪的此构造还可设计成轻质和低成本的。
在直升机起降坪和塔架同心地设置且直升机起降坪的重心基本上垂直地设置在塔架横截面中心的上方的情况下,本发明的设计是特别较佳的。
如已知,直升机起降坪呈圆形设计或特别是设计成正八边形。较佳地,该直升机起降坪设有包围直升机起降坪的防坠落的网,该网特别较佳地至少在面向风力机的风轮的区域内可折叠,因而,在风力机的常规操作期间,可以在不使用时减小直升机起降坪的整个表面,并可以在直升机接近之前加大表面。
根据本发明的另一较佳示例性实施例,直升机起降坪还具有通道,该通道通入风力机的机舱的内部空间内。此通道可例如设计成敞开,或者具有可封闭的通道盖,该通道盖可以是水平延伸的起降坪的一部分。
替代地,该通道还可以设计成使通道并非止于机舱的内部,而是止于机舱的顶部上或者设置在机舱附近的过道、即走道,该走道通到机舱或塔架内部的检修口。过道可以例如是设置在机舱外部的冷却设备。
除了用于将直升机起降坪以字母“H”标记、起降坪的照明、用于在停在起降坪上的同时固定直升机的固定装置的通用规定外,还必须遵守空中交通的一般规定、特别是准许直升机起降坪的安装和操作的规定。
下面参照在附图中示出的特别较佳的设计的示例性实施例来更详细地描述本发明,其中:
图1从顶部承载件侧示出根据本发明的风力机的侧视图;
图2从后面示出图1的风力机的侧视图;
图3示出图1的风力机的俯视图;
图4示出在直升机接近风力机过程中本发明的风力机的立体图;以及
图5示出图4的风力机的立体图,而直升机降落到直升机起降坪上。
图1示出根据本发明的风力机的特别较佳的设计的示例性实施例的侧视图。风力机10设计成SCD设备,并具有塔架20、顶部承载件30(即,设计为负载传递元件的机舱)以及两叶片风轮,风轮具有直线地设置在风轮毂上的叶片6。与通常采用的仅具有由塑料制成的壳体的机舱相比,采用顶部承载件30的优点是铸造的钢铸件放置于塔架上,该钢铸件实现与塔架20的摩擦配合的连接,由此直升机起降坪40的负载可借助顶部承载件30直接垂直地引入塔架20。
直升机起降坪40设置在顶部承载件30上方,该直升机起降坪40借助支承件90附连于顶部承载件30。直升机起降坪40具有通道70,该通道可装有楼梯,以使人员可安全地从直升机起降坪40到达塔架20的顶部承载件30内。出于降落到直升机起降坪40上的人员的安全原因,在直升机起降坪40上还设有由网构成的防坠落装置70,该防坠落装置设计成至少在直升机起降坪40的面向风轮的区域内可折叠收起和打开。特别是在风力机的操作期间,可将防坠落装置70折叠收起,以避免风轮叶片60与直升机起降坪40相碰撞。特别是,如果风轮被锁定,控制系统将在面向风轮的区域内将防坠落装置70打开。
在图1中可清楚地看到风力机10的塔架20和直升机起降坪40同心地设置,直升机起降坪40的重心大致垂直地设置在塔架横截面的中心上方。
在直升机起降坪40下方,通道70和设置在通道下方的过道100通过扶手来固定。其它元件、例如冷却设备110可设置在过道100下方,并可较佳地还形成过道100的一部分。
最后,图1中所示的直升机起降坪40具有用于导航灯120的装置和用于测量风速、温度等的传感器。
在图2中可看出这些装置120设置在悬臂上,防坠落装置在悬臂之间延伸。为了将防坠落装置70折叠收起和打开,较佳的是将悬臂设计成可折叠收起和打开或者可缩回和伸出。为了安全原因,过道100设计成使顶部承载件30的两侧在与风轮相对的那一侧相互连接,还可以从背向风轮的那侧通入顶部承载件30。
图3从上方示出呈特别较佳设计的风力机10,塔架横截面被直升机起降坪40遮住。特别是,在此,在没有防坠落装置70的情况下,上塔架部段的横截面完全位于直升机起降坪40的外轮廓内,特别是在直升机起降坪40的支承部件的外轮廓内防坠落装置70。
除了可折叠设计的防坠落装置70外,还可看到在顶部承载件30的两侧通向过道的通道80。通道80可以是敞开的,或由设置在直升机起降坪40内的盖子来遮盖,并相应地标记为通道80。
此外还可以看出,在所示实施例中强制需要可折叠或可缩回和可伸出的防坠落装置70,这是因为防坠落装置70在其打开或伸出的状态下可突出到风轮50的叶片平面内。如果防坠落装置70折叠收起或缩回,可释放风轮50。
图4示出在为降落而接近本发明的风力机10期间的直升机20。采用直升机200逆风向接近风力机10,因而,即使风力机10已被切断,直升机的飞行员也能由于顶部承载件30与风对准而获得视觉提示:如何接近风力机10。在此,可预先通过中央切换点或通过直升机200内的无线电来切断设备。
特别是,当切断设备时,风轮50运动到叶片60水平定向的停机位置。然后,风轮50通过锁定风轮装置锁定在水平停机位置,并且使防坠落装置70打开或伸出。此时才可通过切换中心的对应反馈或在远程控制系统处或通过直升机起降坪40的导航灯发出信号:直升机200可在直升机起降坪40上起降。
图5示出在直升机起降坪40上起降的直升机200的立体图。应理解的是,直升机起降坪40必须具有用于固定直升机200的其它装置,以能确保直升机200安全地停在风力机10上。

Claims (6)

1.一种风力机(10),所述风力机包括塔架(20)、可转动地设置在所述塔架(20)上的机舱(30)和设置在所述机舱(30)上的直升机起降坪(40),
其特征在于,
所述风力机(10)具有:
风轮(50),所述风轮具有至多两个风轮叶片(60)以及
锁定装置,所述锁定装置用于将所述风轮(50)锁定在所述风轮叶片(60)水平延伸的位置,以及
所述直升机起降坪(40)设置在所述机舱(30)上,以使上塔架部段的横截面在俯视图中完全位于所述直升机起降坪(40)的外轮廓内。
2.如权利要求1所述的风力机(10),其特征在于,所述直升机起降坪(40)的重心垂直地设置在塔架横截面的中心上方。
3.如前述权利要求中任一项所述的风力机(10),其特征在于,所述直升机起降坪(40)和所述塔架(20)同心地设置。
4.如权利要求1或2所述的风力机(10),其特征在于,所述直升机起降坪(40)由用于防坠落的至少一个网(70)包围,所述至少一个网在部分区域内可枢转。
5.如权利要求1或2所述的风力机(10),其特征在于,所述直升机起降坪(40)具有至所述机舱(30)或到所述塔架(20)内的通道(80)。
6.如权利要求1或2所述的风力机(10),其特征在于,所述直升机起降坪(40)的负载引导点设置在所述风力机(10)的构造成顶部承载件的机舱(30)上。
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