WO2012113114A1 - 风叶转笼驱动多台发电机的风力发电机 - Google Patents

风叶转笼驱动多台发电机的风力发电机 Download PDF

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Publication number
WO2012113114A1
WO2012113114A1 PCT/CN2011/000560 CN2011000560W WO2012113114A1 WO 2012113114 A1 WO2012113114 A1 WO 2012113114A1 CN 2011000560 W CN2011000560 W CN 2011000560W WO 2012113114 A1 WO2012113114 A1 WO 2012113114A1
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WO
WIPO (PCT)
Prior art keywords
generator
wind
cage
turntable
column
Prior art date
Application number
PCT/CN2011/000560
Other languages
English (en)
French (fr)
Inventor
高长德
高轶夫
Original Assignee
北京君安泰防护科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 北京君安泰防护科技有限公司 filed Critical 北京君安泰防护科技有限公司
Priority to EP11859265.8A priority Critical patent/EP2672108B1/en
Priority to US13/636,655 priority patent/US9030037B2/en
Priority to CA2793761A priority patent/CA2793761A1/en
Priority to CN201180004843.3A priority patent/CN102686876B/zh
Publication of WO2012113114A1 publication Critical patent/WO2012113114A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/30—Lightning protection
    • 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
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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
    • F05B2240/40—Use of a multiplicity of similar components
    • 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
    • F05B2240/50—Bearings
    • F05B2240/51—Bearings magnetic
    • 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
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • 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
    • F05B2260/90—Braking
    • F05B2260/902—Braking using frictional mechanical forces
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • Wind turbines driving multiple generators with wind turbines
  • the invention belongs to the field of wind power generators. Background technique
  • the vertical axis wind turbine has small blades, only a small generator, and low power. It is only suitable for home and highway poles. Summary of the invention
  • the wind turbine of the present invention drives a plurality of generators, and the wind generator has a plurality of wind turbines (up to tens of) vertically disposed blades and multiple generators; the mechanical transmission is only installed on the blades.
  • the large internal gears on the cage and the gears on the generator shaft can increase the number of generator revolutions and direct power generation without complicated equipment such as speed increasers.
  • the vertical multi-stage permanent magnet generator can be used at low speed and medium speed. Efficient power generation.
  • the wind blade cage is an upper turntable and a lower turntable composed of 8 or more uniform trusses, outer turntables and inner turntables, and the upper turntable and the lower turntable are composed of an outer column, an inner column, a diagonally drawn steel wire rope, an oblique support frame, and the like.
  • the inner turntables of the upper and lower turntables are made of a metal material, and a large internal gear is mounted at the center end.
  • the outer turntable of the upper and lower turntables is made of metal material or composite material, and the invention uses a plurality of high-strength ropes (such as four steel wire ropes) as the material of the outer turntable, and the weight of the outer turntable can be reduced from more than one hundred tons to A few tons or so, high-strength ropes are fixed in the rope grooves at the outer edge of the truss; the ends of the blades are mounted on the high-strength ropes of the upper and lower turntables, and are fastened with fastening plates and studs. .
  • high-strength ropes such as four steel wire ropes
  • the shape of the blade is a convex inner concave hollow rib, and the inner concave portion is provided with a plurality of longitudinal wind ribs.
  • the concave part of the wind blade can generate a large torque when facing the wind, and the outer convex part has a small resistance when it is windy, and the energy difference generated by the concave convex leaf pushes the wind blade to rotate.
  • As many as 16 or more blades are installed on the outer edge of the cage. Each blade has a height of several tens of meters.
  • the power of the rotation of the cage is enormous. (For example, the wind blade width is 1. 5m, the length is 40m, and the wind blade has a wind area of 60 m 2 ). Wind blade installed vane steering device When it comes to the windward side, the resistance is smaller and the effect is better.
  • a set of neodymium iron boron magnetic suspension is installed under the lower turntable.
  • the magnetic suspension is fixed on the turntable of the rotating cage, and one pole is fixed on the vertical column.
  • the working surface is horizontally oriented inward or toward the direction.
  • the outer tilt is 3° -8°, so that the magnetic levitation has an upward magnetic levitation force and a magnetic levitation force toward the center of rotation.
  • the magnetic levitation makes the friction of the blade rotors weighing several tens of tons very small, and the center of rotation of the blade cage does not swing.
  • the transmission of the invention is simple and high in efficiency, and the upper fan of the rotating cage drives the rotating cage to rotate, and the large internal gears fixed on the upper and lower inner rotating wheels respectively drive the generator gears extending from the upper and lower generator compartments to increase the speed, That is to drive the generator rotor to generate electricity.
  • the energy transfer is as follows:
  • the power transmission program of the present invention is simple, and it is almost impossible to be simple, power loss is low, wind energy utilization is high, and energy is huge.
  • Eight generators can be installed in the upper and lower generator compartments.
  • the generators are made of permanent magnet multi-polar generators with mature technology and reliable operation.
  • the permanent magnet multi-polar generator has many poles, no carbon brush, no spark, and the number of revolutions can be efficiently generated at 15-350 rpm. It has a small starting torque and is the most suitable generator for wind power generation.
  • An electromagnetic clutch is installed at the input end of the generator. When starting, only two generators can be connected. After turning, the number of generators is gradually increased to achieve full-load operation, which is the most suitable wind turbine for breeze start.
  • the inner turntable of the fan blade cage is equipped with a vertical brake ring.
  • the column is equipped with 4 or 6 car wheels with telescopic cylinders. When the cylinder is extended, the car wheel and the brake ring on the inner turntable are in contact, and the brake device of the wheel of the car Brake, the fan blade gradually slows down to stop.
  • the blades are mounted on the outer edge of the cage.
  • the blades are up to two meters wide and up to several tens of meters.
  • the wind is large and can generate huge kinetic energy.
  • the transmission has only one internal gear and motor gear.
  • the structure is extremely simple, reliable, no maintenance, and low operating cost.
  • the top of the pole is equipped with a lightning rod, and there is no possibility of lightning strikes.
  • With NdFeB magnetic suspension there is almost no friction and accurate positioning.
  • the energy loss is minimal. All concave wind blades in the entire area of the windward surface can generate kinetic energy.
  • the wind collecting surface is large, and the wind collecting point is far away from the rotating center.
  • the generating torque is large, the friction is small, and the energy loss is very small. It can manufacture wind turbines of more than 10 MW.
  • Figure 1 is a schematic cross-sectional view of a wind turbine structure in which a fan blade drives multiple generators.
  • Figure 2 is a top plan view of the blades, external gears, and gears.
  • Figure 3 is a schematic cross-sectional view of the blade.
  • Fig. 1 (1) in Fig. 1 is a column with two generator compartments, (2) in Fig. 1 is a generator gear, and (3) in Fig. 1 is an internal gear on the vane turntable, (4 in Fig. 1) It is a generator, (5) in Fig. 1 is a rotor blade cage, (6) in Fig. 1 is an upper magnetic suspension, and (7) in Fig. 1 is a magnetic suspension support frame, and (8) in Fig. 1 is The blade, (9) in Fig. 1 is the outer turntable made of high-strength rope, (10) in Fig. 1 is the lower magnetic levitation, and (11) in Fig. 1 is the dust cover of the gear, (12) in Fig. 1. It is the lower generator compartment.
  • Fig. 2 (21) in Fig. 2 is a blade
  • (22) in Fig. 2 is an outer turntable composed of four high-strength ropes
  • (23) in Fig. 2 is a truss on a turntable
  • (24) in Fig. 2 is The internal gear mounted on the inner turntable
  • (25) in Fig. 2 is the gear on the generator shaft
  • (26) in Fig. 2 is the generator shaft
  • (27) in Fig. 2 is the upright.
  • Example 1 The rotor blade cage is 80 meters in diameter, the cage is 40 meters high, the blade width is 1.5 meters, and the length is 40 meters.
  • the outer turntable high-strength rope uses four C 30 7 X 39 wire ropes on the upper and lower sides, and the inner turntable
  • the steel plate with a thickness of 30imn is 7 meters in diameter. It is connected with 8 triangular trusses (35 meters long) on the upper and lower sides.
  • the connecting piece on the truss connects the wire rope of the inner turntable and the outer turntable.
  • the upper and lower turntable truss are correspondingly installed with the outer column, the inner column and the diagonal pull.
  • the wire rope and the inclined pillar support pipe make the turntable into a rigid cylinder.
  • the inner turntable has an internal gear with a fixed modulus of 8 and a tooth count of 650 teeth.
  • the inner turntable has a downward magnetic suspension mounting groove near the diameter of 7 meters, and a reinforcing rib (such as a curved I-beam) corresponding to the magnetic suspension installation position. Maintaining the level of the magnetic levitation orbit, 1 ton of NdFeB magnetic suspension can lift 100 tons of heavy objects, and the upper and lower magnetic levitation can be magnetically suspended with 2 tons of NdFeB.
  • the magnetic levitation is 7° inward in the horizontal direction.
  • Eight 100KW permanent magnet multi-polar generators are installed in the upper and lower generator compartments, and an electromagnetic clutch is installed at the input end of the generator.
  • the bold shaft on the flat plate on the generator compartment is mounted with a modulus of 8, a number of teeth of 28, and a thickness of 150 ⁇ gears made of non-lubricated nylon, these gears mesh with the internal gears.
  • the generator cabin has a diameter of 6 meters and a column diameter of 3 meters.
  • the column and generator compartment are manufactured in sections and installed on site.
  • the wind speed can reach 12 MW by 5m/s-10m/s.
  • Example 2 The diameter of the rotor blade is 80 meters, the width of the blade is 2 meters, the blade height is 60 meters, and 24 blades are installed to generate more power.
  • Example 3 The wind blade cage is 10 meters in diameter, the blade width is 0. 35 meters, the blade height is 8 meters, and the generator cabin is equipped with 4 sets of 3KW permanent magnet multi-polar generators, which can generate more than OKWm for microwave stations and households. use.

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  • 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)
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Description

说 明 书
风叶转笼驱动多台发电机的风力发电机 技术领域
本发明属于风力发电机领域。 背景技术
大型风力发电机几乎全是水平轴的有三个风叶、 设备： 主轴承、 低速轴、 增速器、 高速轴、 发电机、 转向装置、 刹车器、 润滑系统等装备， 造价高， 维 修量大等缺点。 功率多在 1. 5兆瓦， 3兆瓦已很难生产， 要想再提高功率几乎是 极难做到的。
现在垂直轴风力发电机叶片小， 只带一个小的发电机， 功率很小， 只适合 家庭、 公路灯杆用。 发明内容
本发明的风叶转笼驱动多台发电机的风力发电机是有多个 (可达数十个)垂 直安置的风叶和多台发电机的风力发电机； 机械传动只有安装在风叶转笼上的 大型内齿轮和发电机轴上的齿轮， 无需增速器等复杂设备， 就能提高发电机转 数、 直接发电； 选用立式多级性永磁发电机在低速和中速就能高效发电。
下面就本发明的各部分组成说明本发明的内容：
风叶转笼是由 8个及以上的均布的桁架、 外转盘、 内转盘组成的上转盘和 下转盘， 上转盘和下转盘由外立柱、 内立柱、 斜拉钢丝绳、 斜支拉支架等制成 的圆台型刚性转笼。 上、 下转盘的内转盘由金属材料制成， 其中心端安装有大 型内齿轮。 上、 下转盘的外转盘用金属材料或复合材料制造重量太大， 本发明 选用多根高强绳索（如 4根钢丝绳)做外转盘的材料， 可将外转盘的重量从一百 多吨减至几吨左右、 高强绳索固定在桁架的外缘的绳索槽中夹紧； 风叶两端加 装安装座垂直安装在上转盘和下转盘的多根高强绳索上， 用紧固板和螺柱固定。
用玻璃纤维、 玄武岩纤维及其机织布、 无纺布配合浸胶后由拉挤机拉挤成 形状完全相同的风叶。 风叶的形状为外凸内凹中空带加强筋的， 内凹部分设多 根纵向的挡风筋。 风叶内凹部分迎风时能产生较大的扭矩， 外凸部分光滑迎风 时阻力小， 内凹外凸的风叶产生的能量差推动风叶转笼旋转。 多达 16个以上的 风叶都安装转笼的外缘，每根风叶高度达数十米，转笼旋转的动力是巨大的。（如 风叶宽 1. 5m， 长 40m， 一个风叶受风面积就有 60 m2)。 风叶加装风叶转向装置 到逆风面时阻力更小， 效果更佳。
风叶转笼的上转盘下， 下转盘下分别安装一组铷铁硼磁悬浮， 磁悬浮一极 固定在转笼的转盘上， 一极固定在立柱上， 其作用面以水平为准向内或向外倾 斜 3° -8° ， 使磁悬浮有向上的磁悬浮力和向旋转中心的磁悬浮力。磁悬浮使重 达数十吨的风叶转笼的摩擦力变得很小很小， 也使风叶转笼的旋转中心不摆动。
上发电机舱和下发电机舱的上平板上有 8个发电机轴孔及立式发电机的固 定孔， 从上平板伸出的发电机轴上安装有齿轮， 且每个发电机齿轮均与固定在 内转盘上的大型内齿轮啮合。 两个发电机舱的上平板的高度差与风叶转笼的两 个内转盘的高度差相同。
本发明的传动简单， 效率高， 转笼上风叶带动转笼转动， 上、 下两个内转 盘上固的大型内齿轮分别带动上、 下两个发电机舱伸出的发电机齿轮增速旋转， 即带动发电机转子转动发电。 能量传递如下：
【风叶】一带动一 【转笼旋转】一带动一【内齿轮旋转】一啮合一【发电 机齿轮】一带动一【发电机发电】
本发明动力传动程序简单的几乎不可能再简单， 动力损耗少， 风能利用率 高， 能量巨大的风力发电机。
上、 下发电机舱均可安装 8 台发电机， 发电机选用技术成熟、 运行可靠的 永磁多极性的发电机。 永磁多极性发电机极数多、 无碳刷、 不产生火花， 转数 在 15-350rpm均可高效发电， 其启动力矩小， 是最适合风力发电的发电机。 在 发电机的输入端加装电磁离合器， 在启动时可只接两台发电机， 转动起来后逐 渐增加发电机的台数以达到满负荷运转， 是最适合微风启动的风力发电机。
风叶转笼的内转盘装有垂直的刹车环， 立柱上装有 4个或 6个带伸缩油缸 的汽车轮子， 油缸伸出时， 汽车轮子和内转盘上的刹车环接触， 汽车轮子的刹 车装置刹车， 风叶转笼逐渐减速至停止。
本发明的有益效果是：
风叶安装在转笼外缘， 风叶宽可达两米， 高达几十米， 受风面积大， 能产 生巨大的动能。 用多台中型技术成熟的发电机， 传动只有一个内齿轮和电机齿 轮， 结构极为简单， 运转可靠， 无维修， 运行费用低。 杆顶装有避雷针， 无雷 击风叶的可能。 用铷铁硼磁悬浮几乎无摩擦， 又能准确定位。 只有一级传动， 能量损失极小。 迎风面整个面积所有凹面风叶都能产生动能， 采风面大， 采风 点距旋转中心远， 产生力矩大， 摩擦力小， 能量损失极少， 可制造 10兆瓦以上 的风力发电机。 附图说明
图 1是风叶转笼驱动多台发电机的风力发电机结构中间剖面示意图。
图 2是风叶、 外齿轮、 齿轮的俯视示意图。
图 3是风叶的横剖面示意图。
图 1中间剖面的后面还有几个风叶， 为看清结构并未画完。
图 1 中的（1)是带两个发电机舱的立柱， 图 1 中的（2)是发电机齿轮， 图 1 中的 (3)是风叶转盘上的内齿轮， 图 1中的 (4)是发电机， 图 1中的 (5)是风叶转 笼， 图 1中的 (6)是上磁悬浮付， 图 1中的 (7)是磁悬浮支撑架， 图 1中的 (8)是 风叶， 图 1中的 (9)是高强绳索制造的外转盘， 图 1中的（10)是下磁悬浮， 图 1 中的（11)是齿轮的防尘罩， 图 1中的（12)是下发电机舱。
图 2中的（21)是风叶， 图 2中的 (22)是由四根高强绳索组成的外转盘， 图 2 中的 (23)是转盘上的桁架， 图 2中的 (24)是内转盘上安装的内齿轮， 图 2中的 (25)是发电机轴上的齿轮， 图 2中的 (26)是发电机轴， 图 2中的 (27)是立柱。 具体实施方式
实施例 1 : 风叶转笼直径 80米， 转笼高 40米， 风叶宽 1. 5米， 长 40米， 外转盘高强绳索用上下各四根 C 30的 7 X 39的钢丝绳，内转盘用厚 30imn的钢板， 直径 7米， 用上下各 8个三角型桁架 (35米长）， 桁架上连接件连接内转盘和外 转盘的钢丝绳， 上下转盘桁架对应安装外立柱、 内立柱、 斜拉钢丝绳、 斜支柱 支撑管， 使转盘成刚性圆柱体。 转盘外侧四根钢丝绳上安装 16个拉挤制成的风 叶。 内转盘固定模数为 8、齿数为 650齿的内齿轮， 内转盘靠近直径 7米处有向 下的磁悬浮安装槽， 对应磁悬浮安装位置的上面有加强筋 (如一根弯曲的工字钢) 以保持磁悬浮轨道的水平度， 1吨铷铁硼磁悬浮可举起 100吨的重物， 上下磁悬 浮用 2吨铷铁硼磁悬浮， 磁悬浮按水平方向向内偏 7° 。
上下发电机舱各安装 8台 100KW永磁多极性发电机， 发电机输入端加装电 磁离合器， 其伸出发电机舱上平板上的加粗轴上装有模数为 8、 齿数为 28， 厚 度为 150πυη免润滑的尼龙制成的齿轮， 这些齿轮均与内齿轮啮合。 发电机舱直 径 6米， 立柱直径 3米， 立柱与发电机舱分节制造， 现场安装。
按受风面积， 风速 5m/s— 10m/s， 就可发电达 12兆瓦。
实施例 2: 风叶转笼直径 80米， 风叶宽 2米， 风叶高 60米， 安装 24个风 叶， 发电能力更大。
实施例 3: 风叶转笼直径 10米， 风叶宽 0. 35米， 风叶高 8米， 发电机舱装 4台 3KW永磁多极性发电机， 可发电 lOKWm以上， 供微波站、 家庭使用。

Claims

权 利 要 求 书
1. 一种风叶转笼驱动多台发电机的风力发电机， 包括带两个发电机舱的立柱， 风叶转笼、 转笼外侧装有多个风叶， 转笼内侧装有上、 下两个大型内齿轮， 风叶转笼由多组磁悬浮悬起， 发电机舱安装的多个发电机， 伸出发电机舱的 发电机轴上安装的齿轮均与转轮上的内齿轮啮合。
2. 根据权利要求 1所述的带两个发电机舱的立柱， 其特征是： 立柱上的每个发 电机舱均可安装多台带离合器的立式永磁发电机， 发电机输入轴上装有和内 齿轮啮合的齿轮， 其距离与风叶的长度相当。
3. 根据权利要求 1所述的风叶转笼， 其特征是： 风叶转笼由上转盘、 下转盘、 垂直立柱、 斜支立柱、 斜拉钢丝绳等组成， 上、 下转盘的内侧装有内转盘， 外侧有外转盘， 内外转盘由桁架等组成的刚性圆柱体。
4. 根据权利要求 1所述的风叶转笼， 其特征是： 风叶转笼上的上、 下转盘的外 转盘由多根高强绳索制成， 以减轻转笼的重量。
5. 根据权利要求 1所述的风叶， 其特征是： 由拉挤的复合材料制成， 其形状为 外凸内凹中空带加强筋、 内凹部分有多条纵向挡风筋， 多个风叶固定在上下 转盘外侧的多根高强绳索上。
6. 根据权利要求 1所述的风叶转笼的上、 下转盘， 其特征是： 上、 下转盘内侧 均装有刚性内转盘， 其上装有大型内齿轮。
7. 根据权利要求 1所述的风叶转笼， 其特征是： 风叶转笼由两组不用电的铷铁 硼磁悬浮环悬起，磁悬浮的安装角度为以水平方向向内或向外偏斜 3° -8° ， 以获得向上和向内的支持力。
8. 根据权利要求 1所述的发电机， 其特征是： 选用的低转数的永磁多极数的发 电机， 启动力矩小， 在较低的转数范围都能发电。
9. 根据权利要求 1所述的立柱， 其特征是： 立柱外部设有刹车装置， 刹车装置 选用 4个或 6个带伸縮油缸的的汽车轮子， 油缸伸出时汽车轮子与内转盘上 的刹车环相接触。
10.根据权利要求 1所述的带发电机舱的立柱，其特征是：分节制造、现场安装; 其顶部安装避雷针， 立柱内部有吊装笼， 风力发电机的附属电器设备与控制 系统安装在地面上的房间里。
PCT/CN2011/000560 2011-03-11 2011-03-31 风叶转笼驱动多台发电机的风力发电机 WO2012113114A1 (zh)

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