WO2008046272A1 - Éolienne à suspension magnétique de type à rotor - Google Patents

Éolienne à suspension magnétique de type à rotor Download PDF

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Publication number
WO2008046272A1
WO2008046272A1 PCT/CN2007/000168 CN2007000168W WO2008046272A1 WO 2008046272 A1 WO2008046272 A1 WO 2008046272A1 CN 2007000168 W CN2007000168 W CN 2007000168W WO 2008046272 A1 WO2008046272 A1 WO 2008046272A1
Authority
WO
WIPO (PCT)
Prior art keywords
flag
hollow shaft
wind
disposed
skeleton
Prior art date
Application number
PCT/CN2007/000168
Other languages
English (en)
French (fr)
Inventor
Pui To Lok
Original Assignee
Pui To Lok
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 Pui To Lok filed Critical Pui To Lok
Priority to CN2007800377010A priority Critical patent/CN101595301B/zh
Publication of WO2008046272A1 publication Critical patent/WO2008046272A1/zh
Priority to HK10104957.1A priority patent/HK1137047A1/xx

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Classifications

    • 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
    • F03D3/00Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • 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
    • F03D3/00Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06Rotors
    • F03D3/062Rotors characterised by their construction elements
    • F03D3/066Rotors characterised by their construction elements the wind engaging parts being movable relative to the rotor
    • F03D3/067Cyclic movements
    • 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
    • F03D80/70Bearing or lubricating arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00Relieving load on bearings
    • F16C39/06Relieving load on bearings using magnetic means
    • F16C39/063Permanent magnets
    • 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
    • F05B2240/50Bearings
    • F05B2240/51Bearings magnetic
    • 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
    • F05B2260/40Transmission of power
    • F05B2260/403Transmission of power through the shape of the drive components
    • F05B2260/4031Transmission of power through the shape of the drive components as in toothed gearing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00Application independent of particular apparatuses
    • F16C2300/10Application independent of particular apparatuses related to size
    • F16C2300/14Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00Engines or pumps
    • F16C2360/31Wind motors
    • 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

Definitions

  • This invention relates generally to generators, and more particularly to wind turbines, and more particularly to flag wheel type magnetic floating wind turbines. Background technique
  • Wind turbines are power generation equipment that is both environmentally friendly and inexpensive to generate electricity.
  • Propeller-type wind turbines are widely used at present.
  • the rotating shafts of such wind turbines are basically horizontally arranged.
  • the factors that convert the wind into electric energy are related to the air density and wind speed.
  • the defects of the propeller wind turbine are exposed.
  • the manufacture of propellers requires precise techniques and is also relatively expensive to manufacture.
  • the technical scheme of the wind turbine also includes a loose-leaf type top wind plate member, but the loose-leaf type top wind plate member is horizontally buckled on the frame structure. on.
  • the latter two invention patents are more difficult to make horizontally floating the flaps of the windsurfing surface under the action of the inertial force when the sail is rotated around the axis.
  • the sail turns from the windward direction to the downwind direction, it sag rapidly to the top wind state, thereby reducing the harvest of converting wind power into electrical energy.
  • the wind turbines of the prior art also have the stability that affects the conversion of wind into electrical energy harvest due to changes in wind power. Summary of the invention
  • the present invention provides a novel wind turbine.
  • the basic idea of improving the defects of the prior art is as follows: On the one hand, the use of a new type of bearing device, minus
  • the flag is used to overcome the shortcomings of the loose-leaf type wind-driven panel in the prior art by using the flag and tilting the flag.
  • the present invention also employs a special power transmission device to overcome the drawbacks of the wind prior art that affect the stability of wind power conversion into electrical energy harvest due to changes in wind power.
  • the flag-type magnetic floating type wind power generator comprises: a base; a rotating shaft device, a flag skeleton, a power transmission device and a power generating device.
  • the flag-type magnetic floating wind power generator specifically includes a first bearing device; wherein the rotating shaft device includes at least one cylindrical bracket shaft made of a non-magnetic body, and the outer diameter of at least one of the bracket shaftsshrinking one by one from bottom to top, the lowermost support shaft is fixed on the base; the upper end of the lower support shaft is fixedly connected to the lower end of the other support shaft above it;
  • the shaft core is correspondingly sleeved with a hollow shaft of a wind wheel which is also made of a light non-magnetic body, and an inner circumference of each hollow shaft of the wind wheel is disposed between the outer circumference of the corresponding one of the bracket shafts a ball bearing; a first bearing device is disposed between each of the hollow shafts of the wind wheel, the first bearing device comprises: a first magnetic floating device
  • the flag-type magnetic floating wind power generator is made of light, wear-resistant, temperature-resistant and ultraviolet-resistant radiation materials, and the flag is horizontally The attitude of becoming a tilt angle is suspended on the flag skeleton.
  • the flag-type magnetic floating wind power generator is made of light, wear-resistant, temperature-resistant and ultraviolet-resistant radiation materials, and the flag is vertically grounded. The gesture is suspended on the flag skeleton, and the bat is provided with reinforcing ribs at regular intervals, and one end of each rib is rotated by a hinge around the corresponding upright frame as a rotating shaft.
  • the upper end portion of the hollow shaft of the wind turbine below the flag-type magnetic floating wind power generator has a lower annular body and a lower end portion of the upper hollow shaft of the wind turbine.
  • the upper annular body is matched with the upper annular body, and the upper and lower annular bodies each have a flange.
  • the fixing hole on the flange can be fixed by screws.
  • the axis of the bracket corresponds to the hollow shaft of the wind wheel.
  • the first maglev device is composed of a strong permanent magnet disposed at an upper end portion of each of the bracket shafts and a strong permanent magnet disposed in a lower annular body of the hollow shaft of the wind wheel.
  • the two strong permanent magnets are arranged to face each other with the same polarity, and based on the principle of magnetic pole homology rejection, the hollow shaft of the wind wheel generates a buoyancy relative to the axis of the support, thereby being driven by the wind in the flag
  • the friction between the two is relatively reduced.
  • a lower annular body at an upper end portion of the hollow shaft of the wind turbine below the flag-type magnetic floating type wind power generator and a lower end portion of the upper hollow shaft of the wind turbine are also
  • the upper annular body is matched with the upper annular body, and the upper and lower annular bodies each have a flange.
  • the fixing hole on the flange can be fixed by screws.
  • the axis of the bracket corresponds to the hollow shaft of the wind wheel.
  • a platform at the position of the lower annular body, and the first roller type ball bearing is arranged on the platform; a strong permanent magnet is arranged at the upper end of each of the support shaft cores, and the lower annular body of the hollow shaft of the wind wheel is also A strong permanent magnet is disposed, and the two strong permanent magnets are disposed such that they face each other with the same polarity. Based on the principle of magnetic pole isotropic rejection, the hollow shaft of the wind wheel generates a buoyancy with respect to the axis of the bracket.
  • FIG. 1 is a front schematic view of a flag-type magnetic floating type wind power generator of the present invention, wherein the longitudinal direction of the flag is buckled on the flag skeleton at an oblique angle to the horizontal line;
  • FIG. 2a and 2b are schematic views of a first bearing device of the present invention, wherein Fig. 2a is a first roll Schematic diagram of a wheeled ball bearing and a first maglev device, and FIG. 2b shows a schematic view of a separate first ball bearing between the bracket axis and the hollow shaft of the wind wheel;
  • Figures 3a to 3c are schematic views of the transmission of the present invention, wherein Figure 3a is a schematic cross-sectional view thereof, Figure 3b is a top view thereof, and Figure 3c is an enlarged view of a circled portion of Figure 3b;
  • FIG. 4 is a top plan view showing the flag waving of the flag-type skeleton of the flag-type magnetic floating generator of the present invention shown in FIG.
  • Figure 5 is a front elevational view of a flag-type magnetic floating generator according to another embodiment of the present invention, wherein the flag is displayed on the flag frame in an upright position;
  • Fig. 6 is a top plan view showing the flag waving of the flag-type skeleton of the flag-type magnetic floating generator of the present invention shown in Fig. 5 when subjected to wind force. detailed description
  • a flag wheel type magnetic floating wind power generator provided by the present invention comprises: a base 1, a rotating shaft device A, a first bearing device B, a flag skeleton C, a power transmission device D and Power generation unit £.
  • the flag-type maglev wind power generator has a rotary shaft device A comprising: at least one cylindrical support shaft 2 made of a non-magnetic body.
  • a rotary shaft device A comprising: at least one cylindrical support shaft 2 made of a non-magnetic body.
  • the outer diameter of each section of the support shaft 2 is reduced from bottom to top, and the lowermost support shaft 2 is fixed to the base 1.
  • the lower end of the lower bracket core 2 located below and the lower end of the other bracket pivot 2 located above it can be fixedly connected by means well known in the art.
  • Each of the bracket shafts 2 is correspondingly sleeved with a hollow shaft 3, which is also made of a light non-magnetic body, and the inner diameter of the hollow shaft 3 of the wind wheel is larger than the outer diameter of the shaft center of the bracket.
  • a first ball bearing 4 is provided in order to smoothly rotate the hollow shaft of the wind wheel around the axis of the bracket, as shown in FIG. 2b.
  • the first bearing device B comprises: a first maglev device and a first roller ball bearing made of a strong permanent magnet.
  • the first maglev device and the first roller type ball bearing may be disposed in a casing, for example, the first maglev device 5 and the first roller ball bearing 6 shown in FIG. 1; or separately disposed in the respective independent casings For example, the first maglev device 5" and the first roller ball bearing 6" shown in FIG.
  • the flag-type magnetic floating generator of the present invention is used to convert wind power into electricity.
  • the sails of the can include: multi-faceted flag 7, which is made of lightweight, wear-resistant, temperature-resistant and anti-ultraviolet radiation; the radial axis of each segment is radially symmetrically arranged for Suspended the banner flag C used by the flag.
  • the skeleton C comprises: an upright skeleton 8 for defining an area of the flag, the upright skeleton 8 being fixedly coupled to the outer periphery of the hollow shaft 3 of the wind wheel for fixing the inclined skeleton 9 and the skeleton net 11.
  • the inclined frame 9 is curved so that the flag attached thereto can have an increased wind-bearing area.
  • the longitudinal direction of the flag 7 is slanted downwardly at an angle to the horizontal line on the inclined frame 9.
  • the present invention is further provided with a ring skeleton 10 for maintaining the symmetry of each frame C.
  • the slanting frame 10 at the highest point on the skeleton C is provided with a flag raising device 12 for raising or lowering the flag.
  • the flag raising device includes a pulley 1201 and a rope 120 2 .
  • the flag raising device is disposed at both ends of the highest inclined frame 9 on the skeleton C.
  • the two upper ends of each side of the flag 7 are fixed to the rope of the flag raising device. Since the flag is obliquely buckled on the inclined frame, as shown in FIG. 4, the flag is patted on a vertical plane passing through the axis of rotation parallel to the direction of the wind direction, and is basically not affected by the wind force.
  • the flag on the left side of the vertical plane will not be blocked by the skeleton net 11 and will flutter behind the skeleton net 11 with the wind direction; and the flag on the right side of the vertical plane will be subjected to
  • the skeleton net 11 is blocked from fluttering behind the skeleton net 11 with the wind direction.
  • the flag skeleton is pushed by the wind and rotates around the rotary shaft device A.
  • the upper end portion of the hollow shaft 3 of the wind turbine located at the uppermost portion of the rotating shaft device A is closed, and a second magnetic floating device 5' is disposed between the inner end and the upper end portion of the uppermost mounting shaft 2;
  • the second maglev device 5' is used to reduce the friction applied by the wind turbine hollow shaft 3 to the support shaft 2 due to its weight.
  • a power transmission device D is disposed below the flag frame C, and includes: a push rod 13 fixed to each of the oblique frames 9 at the bottom of the flag frame C;
  • the lower surface of the circular plate is fixed with a small diameter active large gear 15;
  • a second bearing device 16 is mounted concentrically above the inertia disk 14 and below the driving large gear 15, and the second bearing device 16 includes: a second ball bearing 1601 and a magnetic floating device 1602 are disposed; a second roller type ball bearing 6' is further disposed below the driving large gear 15; the driving large gear 15 is coupled to a driving pinion 17 meshing.
  • the push rod 13 meshes with the annular tooth 1402 of the inertia disk 14, so that the inertia disk can be pushed to rotate about the rotary shaft device A.
  • the wind speed has a sudden change in transient state, for example, from small to large
  • the rotation of the flag skeleton is slowed down, and the circular rack is pushed by the push rod 13, so that the rotation of the inertia circular plate 14 is also slower and faster.
  • the driving large gear 15 below the inertia disk 14 also causes the rotation of the meshing transmission pinion 17 to become slower.
  • the drive pinion 17 transmits power to the power generating unit E, which includes a gearbox 18 and a power generating unit 19 that are fixed to the base 1.
  • the transmission pinion 1 since the present invention employs the power transmission device, the transmission pinion 1 does not cause a sudden change in the rotational speed, and thus, the electric energy harvesting of the power generating device rotated by the transmission pinion can be stabilized.
  • the structure of the first bearing unit B employed in the present invention is as shown in Figs. 2a and 2b.
  • the lower end portion of the hollow shaft 3 at the lower side has a lower annular body 301
  • the lower end portion of the hollow shaft 3 at the upper side also has an upper annular body 302 which cooperates with the lower annular body 301, and the annular body 301 and the ring shape
  • the body 302 has a flange 3013 and a flange 3023, respectively, which can be fixed by screws through the fixing holes on the flange 3013 and the flange 3023.
  • the bracket axis 2 is in a lower ring corresponding to the hollow shaft 3 of the wind wheel.
  • a platform 201 is disposed at the body position, and the first roller type ball bearing 6" is disposed on the platform 201.
  • the flag 7 is driven by the wind to rotate the hollow shaft 3 of the wind wheel relative to the axis 2 of the support, the first A roller ball bearing acts to reduce the friction between the two.
  • the first maglev device 5 used in the present invention is composed of a strong permanent magnet 501 provided at an upper end portion of each section of the bracket shaft 2 and a strong permanent magnet 502 provided in a lower annular body of the hollow shaft 3 of the wind turbine,
  • the two strong permanent magnets are arranged to face each other with the same polarity.
  • the hollow shaft 3 of the wind wheel Based on the principle of magnetic pole homology rejection, the hollow shaft 3 of the wind wheel generates a buoyancy relative to the axis 2 of the support, thereby receiving wind power in the flag.
  • the frictional force between the two is relatively reduced.
  • the first bearing device of the present invention can also set the first roller type ball bearing and the first magnetic floating device Placed in the same box.
  • a lower annular body 301 at the upper end portion of the lower hollow shaft 3 of the wind turbine and a lower end portion of the upper hollow shaft 3 of the wind turbine 3 also have an upper annular body 302 engaged with the lower annular body 301, the annular body 301 and
  • the annular body 302 has a flange 3013 and a flange 3023 respectively.
  • the fixing hole of the flange 3013 and the flange 3023 can be fixed by screws.
  • the bracket core 2 is corresponding to the hollow shaft 3 of the wind wheel.
  • a platform 201 is disposed at the position of the annular body, and a first roller type ball bearing 6" is disposed on the platform; a strong permanent magnet 501 is disposed at an upper end portion of each of the bracket shafts 2, and the hollow shaft 3 of the wind wheel is disposed at the upper end of each of the bracket shafts 2
  • a strong permanent magnet 502 is also disposed in the lower annular body, and the two strong permanent magnets are disposed such that their opposite polarities face each other. Based on the principle of magnetic pole homology rejection, the hollow shaft 3 of the wind wheel is generated relative to the bracket shaft. A buoyancy of the heart 2.
  • Fig. 5 shows another excellent embodiment of the present invention, which differs from the first preferred embodiment in that the flag is vertically hooked from the oblique frame at the top of the flag skeleton.
  • Each of the upright flags is provided with reinforcing ribs (not shown) from the upper side and to the lower side thereof at intervals of 3 ⁇ 4, and a hinge is provided near the reinforcing rib of the upright frame 8 of the flag frame C (not shown) Shown), each of the self-standing flags is provided with a flag lifting device, which also includes a pulley 1201 and a rope 1202.
  • Figure 6 shows a schematic view of another preferred embodiment of the invention.
  • the flag is patted on a vertical plane passing through the axis of rotation parallel to the direction of the wind direction W. Since it is not subjected to the wind, it does not substantially oscillate or flutter; the flag on the left side of the vertical plane Will not be blocked by the skeleton net 11 and flutter behind the skeleton net 11 with the wind direction W; and the flag on the right side of the vertical plane will be blocked by the skeleton net 11 and cannot follow the wind direction in the skeleton. The rear of the net 11 flutters. Thus, the flag skeleton is pushed by the wind and rotates around the rotary shaft device A.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Wind Motors (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

叶轮型磁浮式风力发电机 技术领域
本发明一般地说涉及发电机, 具体地说涉及风力发电机, 更具体地说涉 及旗轮型磁浮式风力发电机。 背景技术
风力发电机是一种既环保, 又发电成本廉宜的发电设备。 目前广泛采用 的是螺旋桨式风力发电机,这类风力发电机的转动轴基本上都是水平设置的, 其将风力转化成电能的收获的因数中, 除与空气密度和风速相关外, 能由设 计人员加以改变的因数, 就只剩螺旋桨的扫掠面积, 而该扫掠面积又与螺旋 桨的长度有关, 但螺旋桨的长度是无法不断加长, 故无法加大从风力转化成 电能的收获, 从而暴露了螺旋桨式风力发电机的缺陷所在。 此外, 螺旋桨的 制造要求精确的技术, 制造成本也相当昂贵。
目前有不少帆式风力发电机发明专利,如 DE3602414A1、CN87208825U、 CN2153919Y、 CN2648099Y等, 均公开了采用直立转轴的风力发电机, 其技 术方案包括在风帆受风力作用的帆面多数采用多层的活页型顶风板件垂直地 挂扣在框架结构上, 由于结构复杂, 零部件数量繁多, 显然增加了风帆自身 的重量, 加大了转动轴承受的磨擦力, 从而降低了风力转化成电能的收获。 CN1085990A和 GB211925A也公开了采用直立转轴的风力发电机,其技术方 案虽也包括风帆受风力作用的帆面也采用活页型顶风板件, 但该活页型顶风 板件却水平地挂扣在框架结构上。 后两项发明专利除具有与前四项发明相同 的缺陷之外, 更因在风帆绕轴转动时, 其受风帆面的活页型顶风板件往往在 惯性力的作用下水平飘浮, 便难以使其在风帆由逆风向转动成顺风向时, 迅 速下垂到处在顶风状态, 从而减少了将风力转化成电能的收获。 再者现有技 术的风力发电机还存在因风力的变化而影响风力转化成电能收获的稳定性。 发明内容
为克服现有技术的存在的缺陷, 本发明提供了一种新型的风力发电机。 其改进现有技术的缺陷的基本构思如下: 一方面, 采用新型的轴承装置, 减 少风帆转动轴所承受的摩擦力, 另一方面, 采用拍旗并倾斜桂扣该拍旗来克 服现有技术中活页型顶风板件存在的缺陷问题。 再者, 本发明还采用特殊的 动力传动装置, 从而克服风力现有技术存在的因风力的变化而影响风力转化 成电能收获的稳定性的缺陷。
因此, 本发明所提供的旗轮型磁浮式风力发电机, 其包括: 机座; 旋转 轴装置, 拍旗骨架, 动力传动装置和发电装置。 该旗轮型磁浮式风力发电机 具体包括第一轴承装置; 其中, 该旋转轴装置包括至少为一节由非磁体制成 的圓柱形支架轴心, 所迷至少一节支架轴心的外径由下而上逐个地缩小, 最 下方的支架轴心固定在该机座上; 位于下方的支架轴心的上端部与位于其上 方的另一个支架轴心的下端部固定连接; 每一节支架轴心分别对应地套以一 个也由轻的非磁体制成的风轮空心轴, 每一节风轮空心轴的内周界与相对应 的一节支架轴心的外周界之间设置有第一滚珠轴承; 每一节风轮空心轴之间 设置第一轴承装置, 该第一轴承装置包括: 由强力永磁体制成第一磁浮装置 及第一滚轮式滚珠轴承; 由各节风轮空心轴向外镉射对称地设置有供悬桂多 面拍旗用的拍旗骨架, 该骨架包含: 直立骨架、 斜置骨架和骨架网, 该斜置 骨架呈弧形, 并设置有保持各骨架的对称性的环形骨架; 在骨架上最高处的 斜置骨架上设置有供提升或降落拍旗用的拍旗升降装置; 位于最上方的风轮 空心轴的上端部是封闭的, 其内与最上方的支架轴心上端部之间设置有第二 磁浮装置; 在该拍旗骨架的下方设置的动力传动装置包括: 固定在该拍旗骨 架最下方的每一个斜置骨架的推杆, 可绕该风轮空心轴转动的惯性圆板, 该 惯性圆板的周缘的横截面呈圆形的环状体, 在该惯性圆板的上表面固定有环 形条齿, 在该惯性圆板的下表面固定有直径较小的主动大齿轮, 该惯性圆板 上方和该主动大齿轮的下方同心地安装有第二轴承装置, 该第二轴承装置包 括: 相互配合设置的第二滚珠轴承和磁浮器件, 在主动大齿轮的下方还设置 有第二滚轮式滚珠轴承, 该主动大齿轮则与传动小齿轮啮合;该传动小齿轮 将动力传送到发电装置, 该发电装置包括固定在该机座上一个变速箱和一个 发电装机。
在本发明的一个有用的实施例中,该旗轮型磁浮式风力发电机采用轻的、 耐磨的、 耐温的和抗紫外线辐射的材料制成其拍旗, 且该拍旗以与水平线成 一倾斜角的姿态悬桂在该拍旗骨架上。 在本发明的一个有用的实施例中,该旗轮型磁浮式风力发电机采用轻的、 耐磨的、 耐温的和抗紫外线辐射的材料制成其拍旗, 且该拍旗以垂直地面的 姿态悬桂在该拍旗骨架上, 该拍旗上每隔一定距离处设置有加强肋, 每一条 加强肋的一个端部通过一个铰链而可绕相应的直立骨架作为转轴而转动。
在本发明的另一个有用的实施例中, 位于该旗轮型磁浮式风力发电机下 方的风轮空心轴的上端部有一个下环形体和位于上方的风轮空心轴的下端部 也有与该的下环形体相配合的上环形体, 该上、 下环形体各有突缘, 通过突 缘上的固定孔, 可用螺丝将两者固定之, 该支架轴心在对应于该风轮空心轴 的下环形体位置处有一个平台, 于该平台上设置有第一滚轮式滚珠轴承, 在 拍旗受到风力驱动而 该风轮空心轴相对于该支架轴心转动时, 该第一滚轮 式滚珠轴承起到減少了两者之间的摩擦力。
在本发明的再一个有用的实施例中, 该第一磁浮装置由在每一节支架轴 心的上端部设置的强力永磁体和在风轮空心轴的下环形体中设置的强力永磁 体組成, 该两强力永磁体安置成其相同的极性相面对, 基于磁极同性相拒的 原理, 该风轮空心轴便产生相对于该支架轴心的一种浮力, 从而在拍旗受到 风力驱动而使该风轮空心轴相对于该支架轴心转动时, 两者之间的摩擦力更 相对地减低了。
在本发明的再一个有用的实施例中, 位于该旗轮型磁浮式风力发电机下 方的风轮空心轴的上端部的一个下环形体和位于上方的风轮空心轴的下端部 也有与该的下环形体相配合的上环形体, 该上、 下环形体各有突缘, 通过突 缘上的固定孔, 可用螺丝将两者固定之, 该支架轴心在对应于该风轮空心轴 的下环形体位置处有一个平台, 于该平台上设置有第一滚轮式滚珠轴承; 在 每一节支架轴心的上端部设置有强力永磁体, 在风轮空心轴的下环形体中也 设置有强力永磁体, 该两强力永磁体安置成其相同的极性相面对, 基于磁极 同性相拒的原理, 该风轮空心轴便产生相对于该支架轴心的一种浮力。 附图说明
下面参照附图详细描述本发明, 其中:
图 1 为本发明的旗轮型磁浮式风力发电机的前视简图, 其中所示的拍旗 的纵长方向以与水平线成一倾斜角度扣挂在拍旗骨架上;
图 2a和 2b 为本发明的第一轴承装置的示意图, 其中, 图 2a为第一滚 轮式滚珠轴承和第一磁浮装置的结构示意图,图 2b则示出位于支架轴心和风 轮空心轴之间的独立的第一滚珠轴承的示意图;
图 3a至 3c 示出本发明的传动装置的示意图, 其中, 图 3a为其剖视简 图, 图 3b为其顶视图, 图 3c为图 3b中圆圈部分的放大视图;
图 4 为图 1所示的本发明旗轮型磁浮式发电机的拍旗骨架受风力作用时 拍旗飘动的顶视示意图;
图 5 为本发明的另一个实施例旗轮型磁浮式发电机的前枧简图, 其中所 示的拍旗是直立地扣桂在拍旗骨架上;
图 6为图 5所示的本发明旗轮型磁浮式发电机的拍旗骨架受风力作用时 拍旗飘动的顶视示意图。 具体实施方式
如图 1所示, 本发明所提供的一种旗轮型磁浮式风力发电机, 其包括: 机座 1, 旋转轴装置 A, 第一轴承装置 B , 拍旗骨架 C , 动力传动装置 D和 发电装置£。
在本发明的第一个优良的实施例中, 该旗轮型磁浮式风力发电机有一个 旋转轴装置 A, 其包括: 至少为一节由非磁体制成的圆柱形支架轴心 2。 为 减少整个旗轮型磁浮式风力发电机的重量, 该支架轴心 2制成各节的外径由 下而上逐个地缩小, 最下方的支架轴心 2固定在该机座 1上。 位于下方的支 架轴心 2的上端部与位于其上方的另一个支架轴心 2的下端部可通过本领域 熟悉的方式固定连接。
每一节支架轴心 2分别对应地套以一个也由轻的非磁体制成的风轮空心 轴 3 , 该风轮空心轴 3 的内径大于支架轴心的外径。 为使该风轮空心轴绕该 支架轴心能平稳地转动,如图 2b所示,每一节风轮空心轴 3的内周界与相对 应的一节支架轴心 2的外周界之间设置有第一滚珠轴承 4。
如图 2a所示, 每一节风轮空心轴 3之间设置第一轴承装置8。 该第一轴 承装置 B包括: 由强力永磁体制成第一磁浮装置及第一滚轮式滚珠轴承。 第 一磁浮装置和第一滚轮式滚珠轴承可设置在一个盒体内, 例如, 图 1 中所示 的第一磁浮装置 5和第一滚轮式滚珠轴承 6 ; 或者分开地设置在各自独立得 盒体内, 例如, 图 1 中所示的第一磁浮装置 5"和第一滚轮式滚珠轴承 6"。
如图 1和图 4所示, 本发明的旗轮型磁浮式发电机的用以转化风力成电 能的风帆包括: 多面拍旗 7, 该拍旗由轻质的、 耐磨的、 耐温的和抗紫外线 辐射的材料制成; 由各节风轮空心轴 3向外辐射对称地设置以供悬桂该拍旗 7用的拍旗骨架 C。 该骨架 C 包含: 用以限定拍旗的面积的直立骨架 8 , 该 直立骨架 8 固定地连接到该风轮空心轴 3的外周界上, 其用以固定斜置骨架 9和骨架网 11。 该斜置骨架 9呈弧形, 以便扣挂在其上的拍旗能有增大的承 受风力的面积。 该拍旗 7的纵长方向以与水平线成一个角度向下倾斜地扣挂 在斜置骨架 9 上。
如图 4所示, 本发明还设置有环形骨架 10, 该环形骨架用以保持各骨架 C对称性。
再回到图 1 所示, 在骨架 C上最高处的斜置骨架 10上设置有供提升或 降落拍旗用的拍旗升降装置 12。该拍旗升降装置包括滑轮 1201和绳索 1202。 该拍旗升降装置设置在该骨架 C上最高的斜置骨架 9的两个端部处。 每一面 拍旗 7的两个上端部固定在该拍旗升降装置的绳索上。 由于拍旗是倾斜地扣 桂在该斜置骨架上, 如图 4所示, 在平行于风向方向的一个经过该旋转轴的 垂直平面上拍旗, 因没有受到风力的作用, 基本上不会摆动或飘动; 在该垂 直平面的左方的拍旗将不会受到骨架网 11 的阻挡而随着风向在该骨架网 11 的后方飘动;而在该垂直平面的右方的拍旗则会受到骨架网 11的阻挡而不能 随着风向在该骨架网 11的后方飘动。 于是, 拍旗骨架便受到风力的推动而绕 着旋转轴装置 A转动。
如示于图 1 中, 位于旋转轴装置 A最上方的风轮空心轴 3的上端部是封 闭的, 其内与最上方的支架轴心 2上端部之间设置有第二磁浮装置 5' , 该第 二磁浮装置 5 '用以減低风轮空心轴 3承受的因其重量所产生施加在支架轴心 2摩擦力。 '
参照图 1和图 3a至 3c, 在该拍旗骨架 C的下方设置动力传动装置 D , 其包括: 固定在该拍旗骨架 C最下方的每一个斜置骨架 9的推杆 13 ; 可绕该 风轮空心轴 3转动的惯性圆板 14 ; 该惯性圆板 14的周缘有横截面呈圆形的 环状体 1401 ; 在该惯性圓板 14的上表面固定有环形条齿 1402 ; 在该惯性圓 板的下表面固定有直径较小的主动大齿轮 15 ; 该惯性圓板 14上方和该主动 大齿轮 15的下方同心地安装有第二轴承装置 16 , 该第二轴承装置 16包括: 相互配合设置的第二滚珠轴承 1601和磁浮器件 1602 ;在主动大齿轮 15的下 方还设置有第二滚轮式滚珠轴承 6'; 该主动大齿轮 15则与一个传动小齿轮 17啮合。 该推杆 13与该惯性圆板 14的环形条齿 1402相啮合, 从而可推动 该惯性圆板绕旋转轴装置 A转动。 在风速有暂态的突然变动时, 比如从小变 大, 拍旗骨架的转动由慢变快, 该环形齿条在推杆 13的推动下, 使惯性圆板 14的转动也从慢变快, 随之, 惯性圆板 14下方的主动大齿轮 15也使其所啮 合传动小齿轮 17的转动由慢变快。但相反情况, 当风速突然由大变小时, 推 杆 13的转动速度虽然突然变慢,但惯性圆板 14的转动速度并不能马上降低, 因而该环形条齿 1402与推 13 便脱离啮合, 由于惯性的原因,惯性圆板 14 在一段时间内继续保持其转动速度不变,但因摩擦力的存在, 只是逐渐变慢, 于是该传动小齿轮的转速得以保持而不立刻降低。 待到推 13 与惯性圆板 14上的环形齿条又在啮合时,该 13又才在推动该惯性圆板 14 转动。所 以, 动力传动装置 D, 使传动小齿轮的转动速度基本上保持稳定。
该传动小齿轮 17将动力传送到发电装置 E,该发电装置 E包括闺定在该 机座 1上的变速箱 18和发电装机 19。
如上文所说, 由于本发明采用了动力传动装置, 使得该传动小齿轮 1不 产生转速的突然变化, 于是, 将使由传动小齿轮转动的发电装置的电能收获 能保持稳定。
在本发明中所采用的第一轴承装置 B的结构如图 2a和图 2b所示。 位于 下方的风轮空心轴 3的上端部有下环形体 301 , 位于上方的风轮空心轴 3 的 下端部也有与该的下环形体 301相配合的上环形体 302 , 该环形体 301和环 形体 302分别有突缘 3013和突缘 3023, 通过突缘 3013和突缘 3023上的固 定孔, 可用螺丝将两者固定之, 该支架轴心 2在对应于该风轮空心轴 3的下 环形体位置处有平台 201 , 于该平台 201 上设置有第一滚轮式滚珠轴承 6", 在拍旗 7受到风力驱动而使该风轮空心轴 3相对于该支架轴心 2转动时, 该 第一滚轮式滚珠轴承起到减少了两者之间的摩擦力的作用。
在本发明使用的第一磁浮装置 5 , 其由在每一节支架轴心 2 的上端部设 置的强力永磁体 501和在风轮空心轴 3 的下环形体中设置的强力永磁体 502 組成, 该两强力永磁体安置成其相同的极性相面对, 基于磁极同性相拒的原 理, 该风轮空心轴 3便产生相对于该支架轴心 2的一种浮力, 从而在拍旗受 到风力驱动而使该风轮空心轴 3相对于该支架轴心 2转动时, 两者之间的摩 檫力更相对地减低了。
本发明的第一轴承装置也可以将第一滚轮式滚珠轴承和第一磁浮装置设 置在同一盒体内。 位于下方的风轮空心轴 3的上端部的一个下环形体 301和 位于上方的风轮空心轴 3的下端部也有与该的下环形体 301相配合的上环形 体 302,该环形体 301和环形体 302分别有突缘 3013和突缘 3023 ,通过突缘 3013和突缘 3023上的固定孔, 可用螺丝将两者固定之, 该支架轴心 2在对 应于该风轮空心轴 3 的下环形体位置处则设置有一个平台 201 , 于该平台上 设置有第一滚轮式滚珠轴承 6" ;在每一节支架轴心 2的上端部设置有强力永 磁体 501 ,在风轮空心轴 3的下环形体中也设置有强力永磁体 502,该两强力 永磁体安置成其相同的极性相面对, 基于磁极同性相拒的原理, 该风轮空心 轴 3便产生相对于该支架轴心 2的一种浮力。
图 5示出本发明的另一个优良的实施例, 其与第一个优良实施例的差别 在于, 其中的拍旗是从拍旗骨架最上方的斜置骨架垂直扣挂的。 每一条直立 拍旗从其上部边和到其下部边每隔 ¾距离设置加强肋(图中未示出),其接近 该拍旗骨架 C的直立骨架 8 的加强肋处设置铰链 (图中未示出), 每一条自 立拍旗上设置着一个拍旗升降装置,该拍旗升降装置也包括滑轮 1201和绳索 1202。
图 6 示出本发明的另一个优良实施例的示意图。如图 6所示, 在平行于 风向 W 方向的一个经过该旋转轴的垂直平面上拍旗, 因没有受到风力的作 用, 基本上不会摆动或飘动; 在该垂直平面的左方的拍旗将不会受到骨架网 11的阻挡而随着风向 W在该骨架网 11的后方飘动; 而在该垂直平面的右方 的拍旗则会受到骨架网 11的阻挡而不能随着风向在该骨架网 11的后方飘动。 于是, 拍旗骨架便受到风力的推动而绕着旋转轴装置 A转动。

Claims

权利要求书
1. 一种旗轮型磁浮式风力发电机, 其包括: 机座(1); 旋转轴装置(A), 拍旗骨架 (C), 动力传动装置 (D) 和发电装置 (E), 其特征在于, 其还包 括第一轴承装置 (B), 其中, 该旋转轴装置 (A) 包括至少一节由非磁体制 成的圆柱形支架轴心 (2), 所述至少一节支架轴心 (2) 的外径由下而上逐个 地缩小, 最下方的支架轴心 (2) 固定在该机座 (1) 上; 位于下方的支架轴 心 (2) 的上端部与位于其上方的另一个支架轴心 (2) 的下端部固定连接; 每一节支架轴心(2)分别对应地套以一个也由轻的非磁体制成的风轮空心轴 (3), 每一节风轮空心轴 (3) 的内周界与相对应的一节支架轴心 (2) 的外 周界之间设置有第一滚珠轴承(4); 每一节风轮空心轴 (3) 之间设置第一轴 承装置 (B), 该第一轴承装置 (B) 包括: 由强力永磁体制成第一磁浮装置 (5; 5") 及第一滚轮式滚珠轴承 (6; 6"); 由各节风轮空心轴 (3) 向外辐射 对称地设置有供悬挂多面拍旗 (7) 用的拍旗骨架 (C), 该骨架 (C) 包含: 直立骨架 (8)、 斜置骨架 (9) 和骨架网 (11), 该斜置骨架 (9) 呈孤形, 并 设置有保持各 架 (C) 的对称性的环形骨架 (10); 在骨架 (C) 上最高处 的斜置骨架(10) 上设置有供提升或降落拍旗用的拍旗升降装置 (12); 位于 最上方的风轮空心轴 (3) 的上端部是封闭的, 其内与最上方的支架轴心 (2) 上端部之间设置有第二磁浮装置 (5'); 在该拍旗骨架 (C) 的下方设置的动 力传动装置 (D) 包括: 固定在该拍旗骨架 (C) 最下方的每一个斜置骨架的 推杆 (13), 可绕该风轮空心轴 (3) 转动的惯性圆板(14), 该惯性圆板 (14) 的周缘的横截面呈圓形的环状体(1401), 在该惯性圆板(14) 的上表面固定 有环形条齿 (1402), 在该惯性圓板的下表面固定有直径较小的主动大齿轮 (15), 该惯性圆板(14) 上方和该主动大齿轮 (15) 的下方同心地安装有第 二轴承装置 (16), 该第二轴承装置 (16) 包括: 相互配合设置的第二滚珠轴 承(1601) 和磁浮器件 (1602), 在主动大齿轮(15) 的下方还设置有第二滚 轮式滚珠轴承 (6'), 该主动大齿轮 (15) 则与传动小齿轮 (17) 啮合; 该 传动小齿轮 (Π) 将动力传送到发电装置 (E), 该发电装置 (E) 包括固定 在该机座 (1) 上一个变速箱 (18) 和一个发电装机 (19)。
2.如权利要求 1所述的旗轮型磁浮式风力发电机,其特征在于,用轻的、 耐磨的、 耐温的和抗紫外线辐射的材料制成的拍旗(7) 以与水平线成一倾斜 角的姿态悬桂在该拍旗骨架 (9) 上。
3 . 如权利要求 1所述的旗轮型磁浮式风力发电机, 其特征在于, 用轻质 的、 耐磨的、 耐温的和抗紫外线辐射的材料制成的拍旗(7) 以垂直的姿态悬 挂在该拍旗骨架上, 该拍旗(7) 上每隔一定距离处设置有加强肋, 每一条加 强肋的一个端部通过一个铰链而可绕相应的直立骨架作为转轴而转动。
4. 如权利要求 2或 3所述的旗轮型磁浮式风力发电机, 其特征在于, 位 于下方的风轮空心轴 (3) 的上端部有一个下环形体 (301 ) 和位于上方的风 轮空心轴(3)的下端部也有与该的下环形体(301 )相配合的上环形体(302), 该上、 下环形体 (301,302) 各有突缘(3013, 3023), 通过突缘(3013, 3023) 上的固定孔, 可用螺丝将两者固定之, 该支架轴心 (2) 在对应于该风轮空心 轴 (3) 的下环形体位置处有一个平台 (201 ), 于该平台上设置有第一滚轮式 滚珠轴承 (6; 6") , 在拍旗受到风力驱动而使该风轮空心轴 (3) 相对于该支 架轴心 (2) 转动时, 该第一滚轮式滚珠轴承起到减少了两者之间的摩擦力。
5 . 如权利要求 2或 3所述的旗轮型磁浮式风力发电机, 其特征在于, 该 第一磁浮装置 (5; 5") 由在每一节支架轴心 (2) 的上端部设置的强力永磁体 (501 ) 和在风轮空心轴 (3) 的下环形体中设置的强力永磁体 (502) 組成, 该两强力永磁体安置成其相同的极性相面对, 基于磁极同性相拒的原理, 该 风轮空心轴 (3) 便产生相对于该支架轴心 (2) 的一种浮力, 从而在拍旗受 到风力驱动而使该风轮空心轴 (3) 相对于该支架轴心 (2) 转动时, 两者之 间的摩擦力更相对地减低了。
6. 如杈利要求 2或 3所述的旗轮型磁浮式风力发电机, 其特征在于,位 于下方的风轮空心轴 (3) 的上端部的一个下环形体 (301 ) 和位于上方的风 轮空心轴(3)的下端部也有与该的下环形体(301 )相配合的上环形体(302), 该上、 下环形体 (301 , 302) 各有突缘 (3013, 3023) , 通过突缘 (3013, 3023) 上的固定孔, 可用螺丝将两者固定之, 该支架轴心 (2) 在对应于该风轮空心 轴 (3) 的下环形体位置处有一个平台 (201 ) , 于该平台上设置有第一滚轮式 滚珠轴承(6; 6") ;在每一节支架轴心 (2)的上端部设置有强力永磁体(501 ) , 在风轮空心轴 0) 的下环形体中也设置有强力永磁体(502), 该两强力永磁 体安置成其相同的极性相面对,基于磁极同性相拒的原理,该风轮空心轴(3) 便产生相对于该支架轴心 (2) 的一种浮力。
7. 如权利要求 2所述的旗轮型磁浮式风力发电机, 其特征在于, 该拍旗 升降装置设置在该骨架 (C) 上最高的斜置骨架 (9) 的两个端部处, 该拍旗 升降装置包括滑轮 (1201 ) 和绳索 (1202)。
8. 如权利要求 3所述的旗轮型磁浮式风力发电机, 其特征在于, 该拍旗 升降装置设置在拍旗 (7) 接近该骨架 (C) 上最高的斜置骨架 (9) 处, 每 一条直立拍旗在接近该直立骨架处设置有铰链, 该拍旗升降装置包括滑轮 ( 1201 ) 和绳索 (1202)。
PCT/CN2007/000168 2006-10-13 2007-01-17 Éolienne à suspension magnétique de type à rotor WO2008046272A1 (fr)

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CN101545458B (zh) * 2009-05-08 2010-12-29 邓允河 垂直风力发电机
CN104976068B (zh) * 2015-07-05 2019-02-19 沈阳雷安特新能源科技发展有限公司 无巡航无摆桨缓风级驱动多位风力发电装置
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