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CN201185369Y - Maglev gravity reduction friction vertical axis wind turbine - Google Patents

Maglev gravity reduction friction vertical axis wind turbine Download PDF

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Publication number
CN201185369Y
CN201185369Y CN200820020953.4U CN200820020953U CN201185369Y CN 201185369 Y CN201185369 Y CN 201185369Y CN 200820020953 U CN200820020953 U CN 200820020953U CN 201185369 Y CN201185369 Y CN 201185369Y
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Prior art keywords
permanent magnet
generator
rotor
stator
generator shaft
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Expired - Fee Related
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CN200820020953.4U
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Chinese (zh)
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林修鹏
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Priority to CN200820020953.4U priority Critical patent/CN201185369Y/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • F16C39/066—Permanent magnets with opposing permanent magnets repelling each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/30—Application independent of particular apparatuses related to direction with respect to gravity
    • F16C2300/34—Vertical, e.g. bearings for supporting a vertical shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/31—Wind motors
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Wind Motors (AREA)

Abstract

一种磁浮减重力摩擦力垂直轴风力发电机，包括风轮，带有定子、转子、发电机轴的发电机，定子和转子上分别固定定子永磁体和转子永磁体，转子永磁体和定子永磁体上下相对排布，相对两面的极性相同，定子永磁体位于转子永磁体的下方。定子永磁体和转子永磁体相斥力平衡了风轮下压力，由于悬浮作用不产生摩擦力，发电机启动性能好，效率高，承重部件的负荷减轻，节约材料，定子永磁体和转子永磁体放置在发电机内，结构紧凑。发电机轴下端轴肩与下轴承的内圈上端面间隙或发电机轴套上端轴肩与上轴承的内圈下端面的间隙，避免了定子永磁体和转子永磁体接触，使之得到保护。

A kind of maglev weight-reducing friction force vertical axis wind power generator, comprises wind wheel, has the generator of stator, rotor, generator shaft, stator permanent magnet and rotor permanent magnet are respectively fixed on stator and rotor, rotor permanent magnet and stator permanent magnet The magnets are arranged oppositely up and down, and the opposite polarities are the same, and the permanent magnets of the stator are located below the permanent magnets of the rotor. The repulsive force of the stator permanent magnet and the rotor permanent magnet balances the down pressure of the wind wheel. Due to the suspension effect, no friction is generated, the generator has good starting performance, high efficiency, the load of the load-bearing parts is reduced, and material is saved. The stator permanent magnet and the rotor permanent magnet are placed Inside the generator, the structure is compact. The gap between the shoulder at the lower end of the generator shaft and the upper end face of the inner ring of the lower bearing or the gap between the upper end shoulder of the generator shaft sleeve and the lower end face of the inner ring of the upper bearing avoids the contact between the permanent magnets of the stator and the permanent magnets of the rotor, so that they are protected.

Description

Vertical axis aerogenerator with magnetic suspension for reducing gravity force and frictional force
Technical field
The utility model belongs to electrical generator fields, is a kind of vertical axis aerogenerator with magnetic suspension for reducing gravity force and frictional force concretely.
Background technology
Though vane of vertical shaft wind-driven generator is stressed than good many of horizontal axis wind-driven generator blade, long service life, the vertical axis aerogenerator installation, maintenance is convenient, but, the downward axial force that produces during for the weight that supports huge wind wheel and work thereof, need firm load-supporting part, downward axial force can produce very big frictional force simultaneously, influences the startup and the efficient of generator.Reduce the influence that wind wheel presses down strength, alleviate load-supporting part weight, materials, this is technical will dealing with problems.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing vertical axis aerogenerator exists, the utility model provides a kind of vertical axis aerogenerator with magnetic suspension for reducing gravity force and frictional force that wind wheel presses down the strength influence that reduces.
In order to realize above-mentioned goal of the invention, the technical scheme that the utility model is taked is: a kind of vertical axis aerogenerator with magnetic suspension for reducing gravity force and frictional force, comprise wind wheel, the generator that has stator, rotor, generator shaft, it is characterized in that difference fixed stator permanent magnet and rotor permanent magnet on stator and the rotor, rotor permanent magnet is relative up and down with stator permanent magnet arranges, and the polarity on two sides is identical relatively, and stator permanent magnet is positioned at the below of rotor permanent magnet.
The mutual expelling force of stator permanent magnet and rotor permanent magnet makes both produce a gap on gravity direction, balance wind wheel press down strength influence, do not have gravity frictional force.
The fixedly connected wind wheel of generator shaft, directly be fixedly connected with carrier plate on it, rotor magnetic pole is fixed on the outer rim place of carrier plate, rotor permanent magnet is fixed on the carrier plate, between rotor magnetic pole and generator shaft, stator permanent magnet is fixed on the generator bottom end cover, or rotor permanent magnet is fixed on the lower surface of generator shaft, and stator permanent magnet is fixed on the bottom end cover of generator.This moment, generator shaft was a rotor, and the upper end cover of generator, bottom end cover are stators.
The generator shaft lower end is installed on the lower bearing at bottom end cover center, and the gap, inner ring upper surface of the generator shaft lower end shaft shoulder of generator shaft lower end and lower bearing is less than the gap of stator permanent magnet with the relative two sides of rotor permanent magnet.The gap, inner ring upper surface of the generator shaft lower end shaft shoulder and lower bearing; less than the gap of stator permanent magnet with the relative two sides of rotor permanent magnet; make and press down strength when excessive when wind wheel runs into special external force; the generator shaft lower end shaft shoulder contacts with the inner ring upper surface of lower bearing earlier; protected stator permanent magnet and rotor permanent magnet, made it can not overstock mutually, rub and damage, after special external force disappears; under the effect of stator permanent magnet and rotor permanent magnet mutual expelling force, generator shaft automatically resets.
The fixedly connected generator upper end cover of wind wheel, the fixedly connected generator axle sleeve in generator shaft upper end, the generator axle sleeve encases the generator shaft upper end, generator shaft puts and is fixedly connected with carrier plate, and magnetic pole of the stator is fixed on the outer rim place of carrier plate, and stator permanent magnet is fixed on the carrier plate, between magnetic pole of the stator and generator axle sleeve, rotor permanent magnet is fixed on the upper end cover, or stator permanent magnet is fixed on the upper surface of generator axle sleeve, and rotor permanent magnet is fixed on the upper end cover.This moment, generator shaft was a stator, and the upper end cover of generator, bottom end cover are rotors.
The generator shaft set upper side is installed on the upper bearing (metal) at upper end cover center, and the gap, inner ring lower surface of the generator shaft set upper side shaft shoulder of generator shaft set upper side and upper bearing (metal) is less than the gap of stator permanent magnet with the relative two sides of rotor permanent magnet.The gap, inner ring lower surface of the generator shaft set upper side shaft shoulder and upper bearing (metal); less than the gap of stator permanent magnet with the relative two sides of rotor permanent magnet; when wind wheel presses down strength when excessive; the inner ring lower surface of upper bearing (metal) contacts with the generator shaft set upper side shaft shoulder earlier; protected stator permanent magnet and rotor permanent magnet, made it can not overstock mutually, rub and damage.
The utility model has the advantages that on the stator and rotor of generator, arranged the relatively up and down respectively identical stator permanent magnet and the rotor permanent magnet of polarity on relative two sides, stator permanent magnet and rotor permanent magnet mutual expelling force balance wind wheel press down strength influence, because the effect that suspends does not produce frictional force, the generator startability is good, the efficient height, the load of load-supporting part is alleviated simultaneously, saved material, stator permanent magnet and rotor permanent magnet are placed in the generator, compact conformation.The gap, inner ring upper surface of the generator shaft lower end shaft shoulder and lower bearing; less than the gap of stator permanent magnet with the relative two sides of rotor permanent magnet; or the gap, inner ring lower surface of the generator shaft set upper side shaft shoulder and upper bearing (metal); less than the gap of stator permanent magnet with the relative two sides of rotor permanent magnet; avoided stator permanent magnet and rotor permanent magnet to contact, made it to be protected.
Description of drawings
Fig. 1 is a kind of H type wind wheel of the present utility model, internal rotor generator Structure schematic diagram;
Fig. 2 is a kind of I shape wind wheel of the present utility model, internal rotor generator Structure schematic diagram;
Fig. 3 is the structural representation of a kind of I shape wind wheel of the present utility model, outer rotor generator;
Fig. 4 is the structural representation of a kind of H type wind wheel of the present utility model, outer rotor generator;
Fig. 5 is the structural representation of another kind of H type wind wheel of the present utility model, outer rotor generator;
Fig. 6 is another kind of I shape wind wheel of the present utility model, internal rotor generator Structure schematic diagram.
Embodiment
Accompanying drawings.
A kind of H type wind wheel shown in Figure 1, internal rotor generator, this moment, generator shaft 9 was rotors, upper end cover 10, the bottom end cover 6 of generator are stators.The blade of wind wheel 15 connects an end of upper branch arm 21 and lower branch arm 2 respectively in two ends about in the of 1, the other end of upper branch arm 21 and lower branch arm 2 closes up the lower flange 3 that is connected wind wheel 15, the generator shaft 9 of lower flange 3 fixedly connected generators 7, carrier plate 18 is fixedly connected on the axle collar of generator shaft 9, rotor magnetic pole 20 is fixed on the outer rim place of carrier plate 18, rotor permanent magnet 4 is fixed on the carrier plate 18, between rotor magnetic pole 20 and generator shaft 9, stator permanent magnet 5 is fixed on the bottom end cover 6, magnetic pole of the stator 19 is fixed on upper end cover 10 and the bottom end cover 6, rotor permanent magnet 4 and stator permanent magnet 5 are the whole permanent magnets that go in ring, it also can be whole polygon, or by going in ring or the polygon permanent magnet that the polylith permanent magnet rearranges, arrange relatively up and down, both N are extremely relative, also can be that S is extremely relative, and stator permanent magnet 5 is positioned at the below of rotor permanent magnet 4.Generator shaft 9 is by the upper bearing (metal) 11 and lower bearing 14 supportings at upper end cover 10 and bottom end cover 6 centers.The generator shaft lower end shaft shoulder 13 of generator shaft 9 lower ends and the gap, inner ring upper surface of lower bearing 14 are less than the gap of stator permanent magnet 5 with rotor permanent magnet 4 relative two sides.Generator bottom end cover 6 connects support 8.
A kind of I shape wind wheel shown in Figure 2, internal rotor generator.With the difference of Fig. 1 is that upper branch arm 21 is parallel with lower branch arm 2, and their other end is the upper flange plate and the lower flange 3 of fixedly connected wind wheel 15 respectively, and upper flange plate is connected rotor shaft with lower flange 3.
A kind of I shape wind wheel shown in Figure 3, outer rotor generator, this moment, generator shaft 9 was stators, upper end cover 10, the bottom end cover 6 of generator are rotors.Lower flange 3 fixedly connected upper end covers 10, the generator axle sleeve 12 of the fixedly connected blind hole in generator shaft 9 upper ends, generator axle sleeve 12 encases generator shaft 9 upper ends, be fixedly connected with carrier plate 18 on its axle collar, magnetic pole of the stator 19 is fixed on the outer rim place of carrier plate 18, stator permanent magnet 5 is fixed on the carrier plate 18, between magnetic pole of the stator 19 and generator axle sleeve 12, rotor permanent magnet 4 is fixed on the upper end cover 10, the N of rotor permanent magnet 4 and stator permanent magnet 5 is extremely relative, arranging relatively up and down, also can be that S is extremely relative, and stator permanent magnet 5 is positioned at the below of rotor permanent magnet 4.Generator axle sleeve 12 is by the upper bearing (metal) 11 and lower bearing 14 supportings at generator upper end cover 10 and generator bottom end cover 6 centers, the generator shaft set upper side shaft shoulder 22 of generator axle sleeve 12 upper ends and the gap, inner ring lower surface of upper bearing (metal) 11 are less than the gap of stator permanent magnet 5 with rotor permanent magnet 4 relative two sides.Generator shaft 9 is integrated with support 8.
A kind of H type wind wheel shown in Figure 4, outer rotor generator.The form that is wind wheel with the difference of Fig. 3 is different, and the other end of upper branch arm 21 and lower branch arm 2 closes up directly fixedlys connected upper end cover 10.
Another kind of H type wind wheel shown in Figure 5, outer rotor generator.With the difference of Fig. 4 be that stator permanent magnet 5 is fixed on the upper surface of generator axle sleeve 12, rotor permanent magnet 4 is fixed on the upper end cover 10.
Another kind of I shape wind wheel shown in Figure 6, internal rotor generator.With the difference of Fig. 2 be that generator bottom end cover 6 has prominent groove, groove is charged in the hollow sting 8, rotor permanent magnet 4 is fixed on the lower surface of generator shaft 9, stator permanent magnet 5 is fixed on the groove of bottom end cover 6.

Claims (5)

1、一种磁浮减重力摩擦力垂直轴风力发电机，包括风轮(15)，带有定子、转子、发电机轴(9)的发电机(7)，其特征在于定子和转子上分别固定定子永磁体(5)和转子永磁体(4)，转子永磁体(4)和定子永磁体(5)上下相对排布，相对两面的极性相同，定子永磁体(5)位于转子永磁体(4)的下方。1, a kind of vertical axis wind-driven generator of maglev weight reduction force friction force, comprise wind wheel (15), have the generator (7) of stator, rotor, generator shaft (9), it is characterized in that stator and rotor are respectively fixed The stator permanent magnet (5) and the rotor permanent magnet (4), the rotor permanent magnet (4) and the stator permanent magnet (5) are arranged oppositely up and down, and the polarities of the opposite sides are the same, and the stator permanent magnet (5) is located at the rotor permanent magnet ( 4) below. 2、根据权利要求1所述的磁浮减重力摩擦力垂直轴风力发电机，其特征在于发电机轴(9)固定连接风轮(15)，其上直接固定连接有托架盘(18)，转子磁极(20)固定在托架盘(18)的外缘处，转子永磁体(4)固定在托架盘(18)上，位于转子磁极(20)与发电机轴(9)之间，定子永磁体(5)固定在发电机下端盖(6)上，或转子永磁体(4)固定在发电机轴(9)的下端面上，定子永磁体(5)固定在发电机的下端盖(6)上。2. The magnetic levitation weight reduction friction vertical axis wind power generator according to claim 1, characterized in that the generator shaft (9) is fixedly connected to the wind wheel (15), and the bracket plate (18) is directly fixedly connected to it, The rotor pole (20) is fixed on the outer edge of the bracket disc (18), the rotor permanent magnet (4) is fixed on the bracket disc (18), and is located between the rotor pole (20) and the generator shaft (9), The stator permanent magnet (5) is fixed on the lower end cover (6) of the generator, or the rotor permanent magnet (4) is fixed on the lower end surface of the generator shaft (9), and the stator permanent magnet (5) is fixed on the lower end cover of the generator (6) up. 3、根据权利要求2所述的磁浮减重力摩擦力垂直轴风力发电机，其特征在于发电机轴(9)下端安装在下端盖(6)中心的下轴承(14)上，发电机轴(9)下端的发电机轴下端轴肩(13)与下轴承(14)的内圈上端面间隙，小于定子永磁体(5)和转子永磁体(4)相对两面的间隙。3. The vertical axis wind power generator with maglev weight reduction friction force according to claim 2, characterized in that the lower end of the generator shaft (9) is installed on the lower bearing (14) at the center of the lower end cover (6), and the generator shaft ( 9) The gap between the shoulder (13) at the lower end of the generator shaft at the lower end and the upper end surface of the inner ring of the lower bearing (14) is smaller than the gap between the opposite sides of the stator permanent magnet (5) and the rotor permanent magnet (4). 4、根据权利要求1所述的磁浮减重力摩擦力垂直轴风力发电机，其特征在于风轮(15)固定连接发电机上端盖(10)，发电机轴(9)上端固定连接发电机轴套(12)，发电机轴套(12)包住发电机轴(9)上端，发电机轴套(12)上固定连接有托架盘(18)，定子磁极(19)固定在托架盘(18)的外缘处，定子永磁体(5)固定在托架盘(18)上，位于定子磁极(19)与发电机轴套(12)之间，转子永磁体(4)固定在上端盖(10)上，或定子永磁体(5)固定在发电机轴套(12)的上端面上，转子永磁体(4)固定在上端盖(10)上。4. The magnetic levitation weight reduction friction vertical axis wind power generator according to claim 1, characterized in that the wind wheel (15) is fixedly connected to the upper end cover (10) of the generator, and the upper end of the generator shaft (9) is fixedly connected to the generator shaft sleeve (12), the generator shaft sleeve (12) wraps the upper end of the generator shaft (9), the generator shaft sleeve (12) is fixedly connected with a bracket plate (18), and the stator magnetic pole (19) is fixed on the bracket plate At the outer edge of (18), the stator permanent magnet (5) is fixed on the bracket plate (18), located between the stator pole (19) and the generator shaft sleeve (12), and the rotor permanent magnet (4) is fixed on the upper end On the cover (10), or the stator permanent magnet (5) is fixed on the upper end face of the generator shaft sleeve (12), and the rotor permanent magnet (4) is fixed on the upper end cover (10). 5、根据权利要求4所述的磁浮减重力摩擦力垂直轴风力发电机，其特征在于发电机轴套(12)上端安装在上端盖(10)中心的上轴承(11)上，发电机轴套(12)上端的发电机轴套上端轴肩(22)与上轴承(11)的内圈下端面间隙，小于定子永磁体(5)和转子永磁体(4)相对两面的间隙。5. The vertical axis wind power generator with maglev weight reduction friction force according to claim 4, characterized in that the upper end of the generator shaft sleeve (12) is installed on the upper bearing (11) at the center of the upper end cover (10), and the generator shaft The generator axle sleeve upper end shaft shoulder (22) of cover (12) upper end and the inner ring lower end face gap of upper bearing (11), less than the gap of stator permanent magnet (5) and rotor permanent magnet (4) opposite two sides.
CN200820020953.4U 2008-04-15 2008-04-15 Maglev gravity reduction friction vertical axis wind turbine Expired - Fee Related CN201185369Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101295949B (en) * 2008-05-13 2010-07-14 林修鹏 Vertical axis aerogenerator with magnetic suspension for reducing gravity force and frictional force
WO2011094914A1 (en) * 2010-02-08 2011-08-11 国能风力发电有限公司 Magnetic suspension support device for vertical shaft wind-driven generator
CN105553176A (en) * 2016-01-12 2016-05-04 张大鹏 Magnetic levitation device for vertical-axis wind turbine
CN104753387B (en) * 2013-12-26 2016-11-09 纳米新能源（唐山）有限责任公司 Hybrid wind power generation machine
CN110266122A (en) * 2019-07-25 2019-09-20 上海电气风电集团有限公司 Stator structure and wind-driven generator including it
CN113595445A (en) * 2021-07-16 2021-11-02 河南博善发电设备制造有限公司 Double-magnetic-power multifunctional suspension type motor-generator
WO2022155570A1 (en) * 2021-01-18 2022-07-21 Buck Maynard Houston LLC Compressed inverted magnetic energy source

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101295949B (en) * 2008-05-13 2010-07-14 林修鹏 Vertical axis aerogenerator with magnetic suspension for reducing gravity force and frictional force
WO2011094914A1 (en) * 2010-02-08 2011-08-11 国能风力发电有限公司 Magnetic suspension support device for vertical shaft wind-driven generator
WO2011095066A1 (en) * 2010-02-08 2011-08-11 国能风力发电有限公司 Magnetic levitation supporting structure for vertical shaft disc-type motor
CN104753387B (en) * 2013-12-26 2016-11-09 纳米新能源（唐山）有限责任公司 Hybrid wind power generation machine
CN105553176A (en) * 2016-01-12 2016-05-04 张大鹏 Magnetic levitation device for vertical-axis wind turbine
CN105553176B (en) * 2016-01-12 2018-07-17 张大鹏 The magnetic levitation system of vertical axis aerogenerator
CN110266122A (en) * 2019-07-25 2019-09-20 上海电气风电集团有限公司 Stator structure and wind-driven generator including it
WO2022155570A1 (en) * 2021-01-18 2022-07-21 Buck Maynard Houston LLC Compressed inverted magnetic energy source
US11799400B2 (en) 2021-01-18 2023-10-24 Buck Maynard Houston LLC Compressed inverted magnetic energy source
CN113595445A (en) * 2021-07-16 2021-11-02 河南博善发电设备制造有限公司 Double-magnetic-power multifunctional suspension type motor-generator

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C17 Cessation of patent right
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Granted publication date: 20090121

Termination date: 20130415