CN101702558A - Disk type permanent magnet wind-driven generator - Google Patents

Disk type permanent magnet wind-driven generator Download PDF

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Publication number
CN101702558A
CN101702558A CN200910212665A CN200910212665A CN101702558A CN 101702558 A CN101702558 A CN 101702558A CN 200910212665 A CN200910212665 A CN 200910212665A CN 200910212665 A CN200910212665 A CN 200910212665A CN 101702558 A CN101702558 A CN 101702558A
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CN
China
Prior art keywords
strong magnetic
magnetic shoe
stator
permanent magnet
rotor
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Pending
Application number
CN200910212665A
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Chinese (zh)
Inventor
徐高华
石磊
徐嘉祺
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DAFENG HAQI ENERGYMENT TECHNOLOGY Co Ltd
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DAFENG HAQI ENERGYMENT TECHNOLOGY Co Ltd
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Priority to CN200910212665A priority Critical patent/CN101702558A/en
Publication of CN101702558A publication Critical patent/CN101702558A/en
Pending legal-status Critical Current

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Abstract

The invention provides a disk type permanent magnet wind-driven generator relating to a wind-driven generator and at least comprising a shell, a stator, rotors, a generator shaft and a bearing, wherein the generator shaft is arranged at a shaft axis position of the shell, two ends of the generator shaft are respectively spanned on the shell through a bearing frame, one end of the generator shaft extends out of the shell and the other end is arranged in the shell; the stator consists of stator coil brackets and stator coils, the stator coil brackets have distributed structures in radial uniform distribution, and the stator is fixed on the shell; the rotors are radially fixed on the generator shaft and arranged opposite to the stator, and an air gap is remained between the stator and each rotor. The disk type permanent magnet wind-driven generator is characterized in that the stator coil brackets are distributed in two layers and adopt a non-cross overlapped way; the stator coils in two groups are respectively wound on the surfaces of the two layers of the stator coil brackets; and the two rotors are respectively arranged at two sides of the stator. The invention has the advantages of no frication resistance, no noise, sufficient utilization of magnetic fields, small starting wind power, large generated energy and simple structure.

Description

Disk type permanent magnet wind-driven generator
Technical field
The present invention relates to wind-driven generator, particularly the axial magnetic field generator.
Background technology
Wind power generation is one of clean energy resource that is easier to obtain, and discloses the many kinds of axial magnetic field generators based on wind energy in the prior art.As application number is 200610069654.5 application for a patent for invention " a kind of disk type wind-mill generator ", and it discloses: stator is made up of winding coil, does not contain ferromagnetic material; The permanent magnet that is fixed on the armature spindle is to be the revolving body of axis with the armature spindle, and it is corresponding with the permanent magnet in being fixed on upper and lower casing, the polarity of opposite face is identical, leaves the gap between the two, and the bus of this revolving body is the technical scheme of camber line or broken line or oblique line.Find after deliberation, there is following defective in this technical scheme: 1, according to this invention, because single group coil is more crowded in the magnetic pole inner coil, cumbersome during wiring, power can not be excessive, and the above motor disk track of 10KW can be very big, with line amount increase, suitable with other common electric machine, the waste magnetic field space does not have economic worth; 2, the graphic designs structure that replaces bearing according to the magnetic material of this invention, its processing technology can't realize, because the polarity of magnetic material is the two ends at magnetic bodies, be vertically, or be that laterally its project organization is special-shaped, unless with good many types of of magnetic material layering, could realize, so just very complicated, therefore inadvisable.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, provide a kind of and can make full use of magnetic field, the disk type permanent magnet wind-driven generator that energy output is big.
Technical solution of the present invention is: disk type permanent magnet wind-driven generator which comprises at least shell, stator, rotor, generator shaft and bearing; Generator shaft is arranged on the axial line position of shell, and its two ends are located on the shell by bearing bracket stand respectively, and an end of generator shaft stretches out outside the housing, and other end setting in the enclosure; Stator is made up of stator coil carriage and stator coil, and the stator coil carriage adopts radial uniform distributed frame, and stator is fixed on the shell; Rotor radial is fixed on the generator shaft, and is oppositely arranged with stator, leaves air gap between stator and the rotor; It is characterized in that: the stator coil carriage adopts not have to intersect to stack mode for double-deck, and stator coil is two groups, is wrapped in respectively on two aspects of stator coil carriage, and rotor has two, is separately positioned on the both sides of stator.
Further, stator is 24~72 utmost points, and magnet pitch is 1.2~1.8 times of magnetic pole thickness.
Further, rotor is made up of rotor carriage and permanent magnetism tile, and the permanent magnetism tile is embedded to be installed on the rotor carriage, and the permanent magnetism tile is 12~36 numbers of pole-pairs, and the thickness of permanent magnetism tile is 4~10 times of air gap.
Further, described air gap thickness is 1~2 millimeter.
Further, described bearing is the zanjon bearing.
Further, described bearing is strong magnetic bearing, and it is made up of strong magnetic shoe bar I, strong magnetic shoe bar II, some strong magnetic shoe sheet I and some strong magnetic shoe sheet II; Strong magnetic shoe bar I is the frustum of a cone, and its cone angle is greater than 30 degree, and strong magnetic shoe sheet I is fan-shaped, and the embedded ring of some strong magnetic shoe sheet I is located on the side of strong magnetic shoe bar I; Strong magnetic shoe bar II is an annular solid, and its lateral surface is cylindrical, and medial surface be and the corresponding truncated cone of strong magnetic shoe bar I, and magnetic shoe sheet II is fan-shaped by force, and the embedded ring of some strong magnetic shoe sheet II is located on the medial surface of strong magnetic shoe bar II; Strong magnetic shoe bar II is set on the strong magnetic shoe bar I, and strong magnetic shoe sheet I and strong magnetic shoe sheet II are the homopolarity permanent magnet, and strong magnetic shoe bar I is provided with the central through hole that cooperates with generator shaft.
Further, described permanent magnetism tile, strong magnetic shoe sheet I and, strong magnetic shoe sheet II all can adopt Nd-Fe-B permanent magnetic or Samarium cobalt permanent magnet material.
The present invention has following design feature: (1) does not need field circuit, and is simple in structure, and higher power-mass ratio is arranged; The axial dimension weak point is applicable to the occasion that requires slim installation; The armature winding both ends of the surface directly contact with air gap, help the armature winding heat radiation, the electric loading that permission in service is bigger.(2) the bilateral structure permanent magnet is axially symmetrical, and unilateral magnetic force is not taken place armature winding, therefore can not cause armature deformation effect motor properties.(3) inductance of armature winding and resistance are little, and motor operation resistance loss is little, the efficient height.(4) stator is not slotted, and the design of motor does not need to consider slot effect, and motor operation noise is very little, and the motor vibrations that fluting causes and the high-frequency loss of rotor also all no longer exist.In addition, the topmost advantage of the present invention is: adopt two stators, two rotors, promptly two groups of Blast Furnace Top Gas Recovery Turbine Unit (TRT) make full use of magnetic energy, and the motor disk track need not to do greatly.Owing to do not have the stator core silicon steel sheet, between rotor and stator, do not have magnetic attraction, so its starting torque be very little, less than 0.7 kilogram-meter.Because all there is magnet the both sides of stator coil, therefore coil is to cut in saturation magnetic field, more than changeing, motor rotation 10 just can produce 12 volts of above voltages, therefore the wind speed of 1 meter per second just can start, in the wind speed of 3~10 meter per seconds, just can produce the needed powerful electric weight of people, be 2~3 times of similar generator power output, economic worth is obvious.When the present invention adopts strong magnetic bearing, the deadweight of carrying rotor, generator shaft and pneumatic blade by magnetic suspension; Because the oblique setting of strong magnetic shoe sheet in the strong magnetic bearing has produced vertically and axial magnetic power, makes the rotating part of whole generating machine realize magnetic suspension fully.Strong magnetic bearing adopts embedded structure, has not only solved the technological problems of making the large magnetic suspension loading with low-cost, and makes maintenance and change more convenient.The present invention's disk type permanent magnet wind-driven generator has no frictional resistance, and noiselessness can make full use of magnetic field, and it is little to start wind-force, and energy output is big, and is simple in structure, advantage easy to maintenance.
Description of drawings
Fig. 1 is a decomposing schematic representation of the present invention.
Fig. 2 is a stator coil carriage stereogram of the present invention.
Fig. 3 is a stator casing stereogram of the present invention.
Fig. 4 uses the electric machine structure schematic diagram of zanjon bearing for the present invention.
Fig. 5 uses the electric machine structure schematic diagram of strong magnetic bearing for the present invention.
Fig. 6 is the strong magnetic bearing exploded view of the present invention.
Fig. 7 is a motor-field schematic diagram of the present invention.
Among the figure, 1, top cover, 2, the rotor carriage, 3, permanent magnetism tile, 4, the stator coil carriage, 5, stator casing, 6, generator shaft, 7, key, 8, circlip for shaft, 9, bottom, 10, bolt, 11, the zanjon bearing, 12, strong magnetic bearing, 13, strong magnetic shoe bar I, 14, strong magnetic shoe sheet I, 15, strong magnetic shoe sheet II, 16, strong magnetic shoe bar II.
Embodiment
Embodiment one: zanjon bearing disk type permanent magnet wind-driven generator
Zanjon bearing disk type permanent magnet wind-driven generator, it is made up of shell, stator, rotor, generator shaft 6 and zanjon bearing 11.
Shell comprises stator casing 5, top cover 1 and bottom 9, stator casing 5, top cover 1 and bottom 9 adopt the die casting aluminium material, stator casing 5 is an annular, and its inwall middle part is provided with some " protruding " shape piece, and top cover 1 and bottom 9 are fixed on the stator casing 5 by some bolts 10 respectively.
Generator shaft 6 is arranged on the axial line position of shell, and its two ends are erected on top cover 1 and the bottom 9 by zanjon bearing 11 respectively, and an end of generator shaft 6 stretches out outside the top cover 1, and the other end is arranged in the bottom 9, and this end top is provided with circlip for shaft 8.
Stator is made up of stator coil carriage 4 and stator coil.Stator coil carriage 4 in the form of a ring, adopt radial uniform distributed frame, the nothing intersection stacks and is bilayer, and the middle part, side of stator coil carriage 4 is provided with " recessed " shape piece with stator casing 5 " protruding " shape number of blocks, form fit, and stator coil carriage 4 is by the phenolic plastics die cast.Stator coil is two groups, is wrapped in respectively on two aspects of stator coil carriage 4, and the enamelled wire in the stator coil adopts copper cash or silver-coated copper wire or tinned wird material, and the coiling of part must be done camber beyond the stator coil carriage 4 inside and outside footpaths.Stator connects by " protruding " shape piece, " recessed " shape piece engages fixed with stator casing 5.Stator adopts 72 groove numbers.
Rotor has two, radially is fixed on the generator shaft 6 both sides of stator respectively by key 7.Leave air gap between stator and the rotor, the thickness of air gap is 1 millimeter.Rotor is made up of rotor carriage 2 and permanent magnetism tile 3.Rotor carriage 2 adopts aluminium materials to be cast into dish type, and rotor carriage 2 has some muscle that separate with the contact-making surface die casting of permanent magnetism tile 3, is used to separate and inlays permanent magnetism tile 3, and die casting has plurality of strengthening ribs on the noncontact face of rotor carriage 2 and permanent magnetism tile 3.Permanent magnetism tile 3 is fan-shaped, embedded being installed on the rotor carriage 2.Permanent magnetism tile 3 is 12 numbers of pole-pairs, adopts the Nd-Fe-Bo permanent magnet material manufacturing, and magnet pitch is 1.2 times of magnetic pole thickness.The thickness of permanent magnetism tile 3 is 6 times of air gap thickness.
Embodiment two: strong magnetic bearing disk type permanent magnet wind-driven generator
Strong magnetic bearing disk type permanent magnet wind-driven generator, it is made up of shell, stator, rotor, generator shaft 6 and strong magnetic bearing 12.
Shell comprises stator casing 5, top cover 1 and bottom 9, stator casing 5, top cover 1 and bottom 9 adopt the die casting aluminium material, stator casing 5 is an annular, and its inwall middle part is provided with some " protruding " shape piece, and top cover 1 and bottom 9 are fixed on the stator casing 5 by some bolts 10 respectively.
Generator shaft 6 is arranged on the axial line position of shell, and its two ends are erected on top cover 1 and the bottom 9 by strong magnetic bearing 12 respectively, and an end of generator shaft 6 stretches out outside the top cover 1, and the other end is arranged in the bottom 9.
Strong magnetic bearing 12 is made up of strong magnetic shoe bar I 13, strong magnetic shoe bar II 16, some strong magnetic shoe sheet I 14 and some strong magnetic shoe sheet II 15; Strong magnetic shoe bar I 13 is the frustum of a cone, and its cone angle is greater than 30 degree, and strong magnetic shoe sheet I 14 is fan-shaped, and some strong magnetic shoe sheet I 14 embedded rings are located on the side of strong magnetic shoe bar I 13; Strong magnetic shoe bar II 16 be an annular solid, and its lateral surface is cylindrical, and medial surface is the truncated cone corresponding with strong magnetic shoe bar I 13, and magnetic shoe sheet II 15 is fan-shaped by force, and some strong magnetic shoe sheet II 15 embedded rings are located on the medial surface of strong magnetic shoe bar II 16; Strong magnetic shoe bar II 16 is set on the strong magnetic shoe bar I 13, and strong magnetic shoe sheet I 14 and strong magnetic shoe sheet II 15 are homopolarity Nd-Fe-Bo permanent magnet material permanent magnet, and strong magnetic shoe bar I 13 is provided with the central through hole that cooperates with generator shaft 6.Must keep 1~2 millimeter of certain air gap thickness between strong magnetic shoe sheet I 14 and the strong magnetic shoe sheet II 15, length and the thickness of strong magnetic shoe sheet I 14 and strong magnetic shoe sheet II 15, depend on the weight of rotor, generator shaft 6, pneumatic blade and the thrust of outer room, strong magnetic shoe sheet I 14 and strong 15 thrusts that generated of magnetic shoe sheet II must be greater than 1.2 times of above-mentioned weight.
Stator is made up of stator coil carriage 4 and stator coil.Stator coil carriage 4 in the form of a ring, adopt radial uniform distributed frame, the nothing intersection stacks and is bilayer, and the middle part, side of stator coil carriage 4 is provided with " recessed " shape piece with stator casing 5 " protruding " shape number of blocks, form fit, and stator coil carriage 4 is by the phenolic plastics die cast.Stator coil is two groups, is wrapped in respectively on two aspects of stator coil carriage 4, and the enamelled wire in the stator coil adopts copper cash or silver-coated copper wire or tinned wird material, and the coiling of part must be done camber beyond the stator coil carriage 4 inside and outside footpaths.Stator connects by " protruding " shape piece, " recessed " shape piece engages fixed with stator casing 5.Stator adopts 72 groove numbers.
Rotor has two, radially is fixed on the generator shaft 6 both sides of stator respectively by key 7.Leave air gap between stator and the rotor, air gap thickness is 2 millimeters.Rotor is made up of rotor carriage 2 and permanent magnetism tile 3.Rotor carriage 2 adopts aluminium materials to be cast into dish type, and rotor carriage 2 has some muscle that separate with the contact-making surface die casting of permanent magnetism tile 3, is used to separate and inlays permanent magnetism tile 3, and die casting has plurality of strengthening ribs on the noncontact face of rotor carriage 2 and permanent magnetism tile 3.Permanent magnetism tile 3 is fan-shaped, embedded being installed on the rotor carriage 2.Permanent magnetism tile 3 is 36 numbers of pole-pairs, and magnet pitch is 1.8 times of magnetic pole thickness, adopts Samarium cobalt permanent magnet, and the thickness of permanent magnetism tile 3 is 8 times of air gap thickness.
The design adopts bilateral magnet, and main magnetic circuit axially passes air gap and another utmost point on the other side from a utmost point, through rotor yoke, passes adjacent magnetic pole and axial air-gap again, at last along the rotor yoke closure, as shown in Figure 7 along circumferentially.In process of the test, by adopting controller, trigger corresponding electronic switching element according to the rotor-position signal that position transducer detects, give armature supply.Radially electrical conductor produces tangential electromagnetic force under the effect of axial magnetic field, drives the rotor rotation.Analytical test is the result show, adopts bilateral magnet structure, and air gap flux density exceeds about 10% than monohedral magnet structure, and can improve the uniformity of the close distribution of magnetic under the pole-face.Be that dual-rotor structure can utilize permanent magnetic material more fully, this helps improving motor performance, reduces cost and reduced volume.In addition, magnetic pole has the fan effect during rotor rotation, also helps the heat radiation of motor.
Disclosed two embodiment only represent two concrete examples of implementing in this embodiment, and the scheme of any concrete enforcement of deriving according to the technology of the present invention solution is all in protection scope of the present invention.

Claims (9)

1. disk type permanent magnet wind-driven generator which comprises at least shell, stator, rotor, generator shaft and bearing; Generator shaft is arranged on the axial line position of shell, and its two ends are located on the shell by bearing bracket stand respectively, and an end of generator shaft stretches out outside the housing, and other end setting in the enclosure; Stator is made up of stator coil carriage and stator coil, and the stator coil carriage adopts radial uniform distributed frame, and stator is fixed on the shell; Rotor radial is fixed on the generator shaft, and is oppositely arranged with stator, leaves air gap between stator and the rotor; It is characterized in that: the stator coil carriage adopts not have to intersect to stack mode for double-deck, and stator coil is two groups, is wrapped in respectively on two aspects of stator coil carriage, and rotor has two, is separately positioned on the both sides of stator.
2. according to the described disk type permanent magnet wind-driven generator of claim 1, it is characterized in that: stator is 24~72 utmost points, and magnet pitch is 1.2~1.8 times of magnetic pole thickness.
3. according to the described disk type permanent magnet wind-driven generator of claim 1, it is characterized in that: rotor is made up of rotor carriage and permanent magnetism tile, the permanent magnetism tile is embedded to be installed on the rotor carriage, and the permanent magnetism tile is 12~36 numbers of pole-pairs, and the thickness of permanent magnetism tile is 4~10 times of air gap.
4. according to the described disk type permanent magnet wind-driven generator of claim 1, it is characterized in that: described air gap thickness is 1~2 millimeter.
5. according to the described disk type permanent magnet wind-driven generator of claim 1, it is characterized in that: described bearing is the zanjon bearing.
6. according to the described disk type permanent magnet wind-driven generator of claim 1, it is characterized in that: described bearing is strong magnetic bearing, and it is made up of strong magnetic shoe bar I, strong magnetic shoe bar II, some strong magnetic shoe sheet I and some strong magnetic shoe sheet II; Strong magnetic shoe bar I is the frustum of a cone, and its cone angle is greater than 30 degree, and strong magnetic shoe sheet I is fan-shaped, and the embedded ring of some strong magnetic shoe sheet I is located on the side of strong magnetic shoe bar I; Strong magnetic shoe bar II is an annular solid, and its lateral surface is cylindrical, and medial surface be and the corresponding truncated cone of strong magnetic shoe bar I, and magnetic shoe sheet II is fan-shaped by force, and the embedded ring of some strong magnetic shoe sheet II is located on the medial surface of strong magnetic shoe bar II; Strong magnetic shoe bar II is set on the strong magnetic shoe bar I, and strong magnetic shoe sheet I and strong magnetic shoe sheet II are the homopolarity permanent magnet, and strong magnetic shoe bar I is provided with the central through hole that cooperates with generator shaft.
7. according to the described disk type permanent magnet wind-driven generator of claim 3, it is characterized in that: described permanent magnetism tile adopts Nd-Fe-B permanent magnetic or Samarium cobalt permanent magnet material.
8. according to the described disk type permanent magnet wind-driven generator of claim 6, it is characterized in that: must keep 1~2 millimeter of certain air gap thickness between strong magnetic shoe sheet I and the strong magnetic shoe sheet II, length and the thickness of strong magnetic shoe sheet I and strong magnetic shoe sheet II, depend on the weight of rotor, generator shaft 6, pneumatic blade and the thrust of outer room, the thrust that is generated between strong magnetic shoe sheet I and strong magnetic shoe sheet II must be greater than 1.2 times of above-mentioned weight.
9. according to the described disk type permanent magnet wind-driven generator of claim 6, it is characterized in that: described strong magnetic shoe sheet I and strong magnetic shoe sheet II adopt Nd-Fe-B permanent magnetic or Samarium cobalt permanent magnet material.
CN200910212665A 2009-11-13 2009-11-13 Disk type permanent magnet wind-driven generator Pending CN101702558A (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306960A (en) * 2011-09-01 2012-01-04 北京市拓又达科技有限公司 Stator of vertical shaft aerogenerator
CN106685166A (en) * 2015-11-05 2017-05-17 周伯飞 Magnetic suspension double-faced groove disc type motor
WO2017193786A1 (en) * 2016-05-09 2017-11-16 舍弗勒技术股份两合公司 Disc-type generator for railway vehicle and railway vehicle module
CN108809022A (en) * 2017-04-28 2018-11-13 南方科技大学 A kind of disk generator
CN109245401A (en) * 2018-10-19 2019-01-18 核心驱动科技(金华)有限公司 Disc type electric machine
CN110218488A (en) * 2019-06-14 2019-09-10 湖南城市学院 A kind of wind-driven generator shell with self-cleaning function
CN111327177A (en) * 2020-04-16 2020-06-23 李盈念 Layer-fixed double-rotation and multilayer multi-rotation strong magnetic direct current power machine
CN113054814A (en) * 2019-12-28 2021-06-29 烟台伺维特智能科技有限公司 Magnetic induction suspension motor with curved angle
CN114567121A (en) * 2022-02-28 2022-05-31 北京纳米能源与系统研究所 Power generation method and device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306960A (en) * 2011-09-01 2012-01-04 北京市拓又达科技有限公司 Stator of vertical shaft aerogenerator
CN106685166A (en) * 2015-11-05 2017-05-17 周伯飞 Magnetic suspension double-faced groove disc type motor
WO2017193786A1 (en) * 2016-05-09 2017-11-16 舍弗勒技术股份两合公司 Disc-type generator for railway vehicle and railway vehicle module
CN108809022A (en) * 2017-04-28 2018-11-13 南方科技大学 A kind of disk generator
CN108809022B (en) * 2017-04-28 2020-03-27 南方科技大学 Disc type generator
CN109245401A (en) * 2018-10-19 2019-01-18 核心驱动科技(金华)有限公司 Disc type electric machine
CN110218488A (en) * 2019-06-14 2019-09-10 湖南城市学院 A kind of wind-driven generator shell with self-cleaning function
CN113054814A (en) * 2019-12-28 2021-06-29 烟台伺维特智能科技有限公司 Magnetic induction suspension motor with curved angle
CN111327177A (en) * 2020-04-16 2020-06-23 李盈念 Layer-fixed double-rotation and multilayer multi-rotation strong magnetic direct current power machine
CN111327177B (en) * 2020-04-16 2023-08-25 李盈念 Strong magnetic direct current power machine with layer fixed double rotation and multiple layers multiple rotation
CN114567121A (en) * 2022-02-28 2022-05-31 北京纳米能源与系统研究所 Power generation method and device
CN114567121B (en) * 2022-02-28 2024-06-11 北京纳米能源与系统研究所 Power generation method and device

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