CN201420645Y - Sectionalized vane of wind driven generator - Google Patents

Sectionalized vane of wind driven generator Download PDF

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Publication number
CN201420645Y
CN201420645Y CN 200920150976 CN200920150976U CN201420645Y CN 201420645 Y CN201420645 Y CN 201420645Y CN 200920150976 CN200920150976 CN 200920150976 CN 200920150976 U CN200920150976 U CN 200920150976U CN 201420645 Y CN201420645 Y CN 201420645Y
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CN
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Grant
Patent type
Prior art keywords
blade
body
vane
driven generator
wind driven
Prior art date
Application number
CN 200920150976
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Chinese (zh)
Inventor
冀满忠
张海亚
欧阳海黎
汤文兵
伟 罗
蒲小刚
郭庆军
韩花丽
Original Assignee
中船重工(重庆)海装风电设备有限公司
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    • 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
    • Y02E10/721Blades or rotors
    • 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
    • Y02E10/74Wind turbines with rotation axis perpendicular to the wind direction

Abstract

The utility model discloses a sectionalized vane of a wind driven generator, which consists of two sections of vane main bodies integrally connected via a connector. The vane main bodies can be conveyed by a relatively short vehicle, thereby reducing requirements of vane conveying to roads and vehicles. After arriving at a destination, the vane main bodies and the connector can be assembled to form wind driven generator vanes which can be used normally.

Description

风力发电机的分段叶片 Wind turbine blade segment

技术领域 FIELD

本实用新型涉及风力发电设备的零部件,具体地说,本实用新型是一种风力发电机的分段叶片。 The present invention relates to a wind power plant parts, in particular, the present invention is a wind turbine blade segment. 背景技术 Background technique

目前,在风力发电行业,众所周知,面积往往决定最终的发电量, At present, the wind power industry, we all know, an area often determines the ultimate generating capacity,

而面积正是通过叶片长度来体现的,目前所使用的1.5MW机组的叶片长度在近几年从34m、 37m、 38m,到了40m; 2.0MW的叶片从38m、 40m、 42m、 45m继续向更长的长度发展。 The blade length is the area to be embodied by the length of the blade, currently used 1.5MW units in recent years, from 34m, 37m, 38m, to 40m; 2.0MW blade from 38m, 40m, 42m, 45m and more continue to long length development.

此外,随着风力发电的迅速发展,陆地风力发电的一些问题,如占用土地、影响自然景观、噪音、对周围居民生活带来不便等,逐渐暴露出来,在欧洲已呈现出将风电机组从陆地移向近海的趋势。 In addition, with the rapid development of wind power, onshore wind power a number of issues, such as the occupation of land, the impact of natural landscape, noise on the surrounding residents living inconvenience, and gradually exposed, have shown the land from wind turbines in Europe the trend towards the offshore. 而由于成本因素,海上风机的单机容量都较大,通常从3.6MW〜10MW,叶片更是从50到136米。 Because of cost factors and the unit capacity are large offshore wind turbines, and more typically from 50 to 136 m from 3.6MW~10MW, blade.

然而,目前采用大型叶片的最大障碍是运输,将^3.6MW的大型风力发电机叶片运输至风电场极其困难,费用远大于叶片本身的价值; 而就地制造模具、生产叶片,又受到人员、制造场地的环境、气候等不利因素的限制,使得高品质叶片的制造难度巨大;其次,由于风场多位于辽阔地带,叶尖成了雷击的主要目标, 一旦遭受到严重的雷击,叶片就会报废,而很多时候都无法维修;再次,受到大风折断的叶片,即便只有部分结构受损,也只能整体报废。 However, the biggest obstacle to the use of large leaves of transport, the transport of large wind turbine blades ^ 3.6MW wind farm to be extremely difficult, the cost is far greater than the value of the blade itself; in situ manufacture of molds, production of blades, but also by the staff, limiting the adverse factors in the manufacturing field of environment and climate, making the manufacture of high-quality blade enormous difficulty; the main objective Secondly, because of the vast wind farms were located in the area, it has become a lightning tip, once suffered a severe lightning strike, the blade will scrapped, and many times can not be repaired; again, broken by the wind vane, even if only part of the structure is damaged, the whole can only be scrapped. 实用新型内容 SUMMARY

本实用新型的目的是提供一种风力发电机的分段叶片。 The object of the present invention is to provide a wind turbine blade segment. 本实用新型提出了叶片分段的技术方案,除了可以解决运输问题外,还可以减少雷 The present invention proposes a blade segment technical solutions, in addition to solve the transportation problem, but also can reduce mine

击、折断的损失。 Hit, breaking loss.

为了实现上述的实用新型目的,本实用新型采用以下技术方案: 一种风力发电机的分段叶片,含有两段叶片主体,该两段叶片主体 To achieve the above object of the invention, the present invention adopts the following technical solution: a wind turbine blade segment, comprising two blade body, the two blade body

以连接体连接成一体。 Integrally connected to the linker.

所述的叶片主体设有叶片主体骨架,连接体设有连接体骨架,连接 The blade body is provided with a blade body frame, the connecting body is provided with a linker backbone, connected

体骨架与叶片主体骨架相连接。 Skeleton blade body connected to the backbone. 连接后的骨架可以保证成型后的分段叶 After the connection ensures skeleton leaf segments after molding

片具有需要的强度。 Sheet having a required strength.

本实用新型的主要优点: The main advantages of the present invention:

本实用新型可以使用较短的车辆运输叶片主体,降低叶片运输对道路和车辆的要求。 The present invention can use a shorter transport vehicle leaves the body, reducing the requirements for the transport of blades roads and vehicles. 到达目的地后,再将叶片主体与连接体进行组装,形成可以正常使用的风力发电机叶片。 Upon arrival, then the blade body and the connecting body are assembled to form the wind turbine blade may normally be used. 附图说明 BRIEF DESCRIPTION

图1为本实用新型的结构示意图。 Figure 1 is a schematic view of the structure of the new utility.

附图标记说明:l和2:叶片主体;3至6:叶片主体骨架;7.连接体;8和9:连接体骨架。 Reference numerals Note: l and 2: blade body; 3-6: blade body skeleton; connector 7; 8 and 9: linker backbone. 具体实施方式 detailed description

实施例1 Example 1

如图1所示,本实用新型的风力发电机的分段叶片,含有两段叶片 1, the present invention segments wind generator blades, the blade comprising two

主体1和2,该两段叶片主体1和2以连接体7相连接并成为一体,形成分段叶片的主体结构。 1 and a main body 2, the two blades 2 and the body 1 is connected to the connecting member 7 and integrally formed in the main structure of the blade segment.

所述的叶片主体1设有叶片主体骨架3和4,叶片主体2设有叶片主体骨架5和6,连接体7设有连接体骨架8和9,连接体骨架与叶片主体骨架相连接。 The blade body is provided with a blade body 4 and the bobbin 3, the blade body 2 is provided with a blade body 5 and the bobbin 6, 7 is provided with connector connecting body skeleton 8 and 9, the linker backbone is connected to the blade body skeleton. 具体地说,如图1所示,连接体骨架8分别与叶片主体骨架3和5相连接,连接体骨架9分别与叶片主体骨架4和6相连接。 Specifically, as shown in FIG. 1, 8 respectively connected to skeleton 3 and a blade body 5 is connected to the backbone, the backbone connector 9 are connected to the blade body 6 and the housing 4. 从而保证分段叶片成型后具有需要的强度。 After forming vane segment so as to ensure having a required strength. 本实用新型是这样制备的: The present invention are prepared:

1. 进行完整的叶片外形设计,选择沿轴向翼型变化缓慢的部位作为叶片的分段面,分别对叶片主体1和叶片主体2进行铺层设计、模具制 1. The complete design of blade profiles, selected portions of the slow change in the axial direction as the airfoil surface of the blade segment, respectively, of the body 1 and blade 2 blade body ply design, mold system

造等;同时,根据翼型设计叶片主体骨架3、 4、 5和6,骨架沿周向需预留出连接体的厚度,以便安放连接体7。 Made; the same time, according to the airfoil design skeleton blade body 3, 4, 5 and 6, the skeleton needs to set aside in the circumferential direction of the thickness of the connecting member, the connecting member 7 to be placed. 采用常规的RTM工艺生产制造叶片,注意将叶片主体骨架3、 4同叶片主体1相连,将叶片主骨架5、 6同叶片主体2相连,在叶片主体1和2上钻两排盲孔,叶片主体骨架3、 4上钻两排通孔。 Using conventional RTM process of manufacturing the blade, attention to the blade body bobbin 3, 4 with the blade body 1 is connected, the blade main skeleton 5, is connected to 6 with the blade body 2, the blade main body 1 and the drill 2 two rows of blind holes, blades skeleton body 3, the two rows of the through-hole 4 drilled.

2. 连接体的设计及处理。 2. The connector body design and process. 根据分段面处叶片内表面的翼型,设计一个外表面与其吻合的连接体7,用于两者之间的套接。 The airfoil vane segment inner face of the surface, a design of the outer surface of the connecting member 7 coincide therewith, for socket therebetween. 连接体7应选用高强度、低密度的的材质(如玻璃钢等),壁厚根据分段面处的设计载荷确定,此夕卜,应在连接体7与叶片主体1和2的对应位置处沿周向钻两排盲孔。 7 should be connected to High strength, low density materials (e.g., glass, steel, etc.), the thickness of the surface segments according to the design load is determined, this evening Bu, should a position at the corresponding blade body 7 and the connector 1 and 2 two rows of circumferentially drilling blind holes.

3. 现场粘接及表面处理。 3. Field bonding and surface treatment. 将前后叶片、分段体7、骨架8、 9准确地放置在对接位置,在骨架8、 9上涂敷粘接胶,用螺栓将骨架8同骨架3、 5连接,骨架9同骨架4、 6连接;在连接体7上涂敷粘接胶,用四排沉头螺钉及连接体将叶片1、 2连接。 The front and rear blades, segmented body 7, the skeleton 8, 9 accurately placed in a docking position, the bonding adhesive is applied in the framework 8, 9, the bolt 3, 5 connected to the same skeleton backbone 8, 9 with the backbone skeleton 4, 6 is connected; the connecting body 7 coated with an adhesive glue, with four rows of countersunk head screws and connected to the blade body 1, 2 are connected. 连接完毕后,在叶片主体1 和2外表面分段面处涂敷胶衣,确保翼面光滑过渡。 After connecting the blade body 2 and the outer surface of a segment of the surface gel coat is applied, to ensure a smooth transition of the airfoil.

本实用新型可以使用较短的车辆运输叶片主体1和2,降低叶片运输对道路和车辆的要求。 The present invention can use a shorter blade body 1 and a transport vehicle 2, to reduce road transport requirements and leaves the vehicle. 到达目的地后,再将叶片主体l、 2与连接体7 进行组装,形成可以正常使用的风力发电机叶片。 Upon arrival, then the blade body l, 2 and the connecting member 7 are assembled to form the wind turbine blade may normally be used.

以上对本实用新型所提供的风力发电机的分段叶片进行了详细介绍,本文中应用了具体个例对本实用新型的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本实用新型的方法及其核心思 Although the present invention the wind turbine blade segment is provided in detail herein through specific examples of the principles of the present invention and embodiments are set forth in the above described embodiment is merely for understanding the present invention the new method and core thinking

5想;同时,对于本领域的一般技术人员,依据本实用新型的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本实用新型的限制。 5 like; Meanwhile, for those skilled in the art, according to the novel idea of ​​a practical, may make modifications in the specific embodiments and application scope of the specification shall not be construed as the present invention limits.

Claims (2)

  1. 1.一种风力发电机的分段叶片,其特征在于:含有两段叶片主体,该两段叶片主体以连接体连接成一体。 A wind turbine blade segment, characterized in that: the body comprises two blades, two blades of the main body integrally connected to connecting body.
  2. 2. 根据权利要求l所述的风力发电机的分段叶片,其特征在于:所述的叶片主体设有叶片主体骨架,连接体设有连接体骨架,连接体骨架与叶片主体骨架相连接。 The segmented blade of a wind turbine according to claim l, characterized in that: said blade body is provided with a blade body frame, the connecting body is provided with a linker backbone, the backbone connector is connected to the blade body skeleton.
CN 200920150976 2009-06-03 2009-06-03 Sectionalized vane of wind driven generator CN201420645Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102200100A (en) * 2011-06-02 2011-09-28 东方电气集团东方汽轮机有限公司 Split-assembling-type blade of wind driven generator
CN102278274A (en) * 2010-06-11 2011-12-14 大银微系统股份有限公司 Combined with the vertical wind power generator blades
CN102278275A (en) * 2011-07-04 2011-12-14 唐山市拓又达科技有限公司 And a method of making a large, blade vertical axis wind turbine of the
CN102529092A (en) * 2012-02-17 2012-07-04 北京可汗之风科技有限公司 Method for lengthening wind power blade
CN102808727A (en) * 2012-08-12 2012-12-05 浙江海洋学院 Manufacturing method of fan noise reducing soft paddle
WO2013067916A1 (en) * 2011-11-11 2013-05-16 Zhang Xiangzeng New blade of composite material for horizontal-axis wind power generator
CN103321841A (en) * 2012-03-19 2013-09-25 华锐风电科技(集团)股份有限公司 Blade of wind driven generator and wind driven generator
CN104373302A (en) * 2014-11-18 2015-02-25 株洲时代新材料科技股份有限公司 Large wind turbine segmented blade and assembly and connection method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102278274A (en) * 2010-06-11 2011-12-14 大银微系统股份有限公司 Combined with the vertical wind power generator blades
CN102200100A (en) * 2011-06-02 2011-09-28 东方电气集团东方汽轮机有限公司 Split-assembling-type blade of wind driven generator
CN102278275A (en) * 2011-07-04 2011-12-14 唐山市拓又达科技有限公司 And a method of making a large, blade vertical axis wind turbine of the
WO2013067916A1 (en) * 2011-11-11 2013-05-16 Zhang Xiangzeng New blade of composite material for horizontal-axis wind power generator
CN102529092A (en) * 2012-02-17 2012-07-04 北京可汗之风科技有限公司 Method for lengthening wind power blade
CN102529092B (en) * 2012-02-17 2014-12-31 北京可汗之风科技有限公司 Method for lengthening wind power blade
CN103321841A (en) * 2012-03-19 2013-09-25 华锐风电科技(集团)股份有限公司 Blade of wind driven generator and wind driven generator
CN102808727A (en) * 2012-08-12 2012-12-05 浙江海洋学院 Manufacturing method of fan noise reducing soft paddle
CN104373302A (en) * 2014-11-18 2015-02-25 株洲时代新材料科技股份有限公司 Large wind turbine segmented blade and assembly and connection method thereof

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