WO2007013206A1 - アキシャル型モータ - Google Patents
アキシャル型モータ Download PDFInfo
- Publication number
- WO2007013206A1 WO2007013206A1 PCT/JP2006/308015 JP2006308015W WO2007013206A1 WO 2007013206 A1 WO2007013206 A1 WO 2007013206A1 JP 2006308015 W JP2006308015 W JP 2006308015W WO 2007013206 A1 WO2007013206 A1 WO 2007013206A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- field
- armature
- coil
- end surface
- rotor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K55/00—Dynamo-electric machines having windings operating at cryogenic temperatures
- H02K55/02—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type
- H02K55/04—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/103—Motors having windings on the stator and a variable reluctance soft-iron rotor without windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/22—Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators
- H02K19/24—Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
Definitions
- the present invention relates to an axial type motor, and more particularly, to an axial type motor including an inductor having a magnetic force that induces a magnetic flux on a magnetic field side to a required position.
- the present invention relates to a motor that rotates synchronously.
- a bearing 3 is attached to a bracket 2 whose drive shaft 1 is an outer cylinder.
- the field wire 5 is provided on the outer periphery of the yoke 4 that is externally fitted and fixed to the drive shaft 1, and the claw-shaped magnetic poles 6 and 7 that protrude alternately from the left and right of the field wire 5 are provided.
- a rotor is formed as a whole.
- the stator 2 is provided on the bracket 2 so as to face the claw-shaped magnetic poles 6 and 7.
- power is supplied to the field wire 5 through a slip ring 9 so as to be slidable.
- Some motors have the same configuration as that of the generator including an inductor.
- Patent Document 1 Japanese Patent Laid-Open No. 54-116610
- Patent Document 2 JP-A-6-86517 Disclosure of the invention
- the present invention has been made in view of the above problems, and has as its object to simplify a power feeding structure to a coil in a motor, and to reduce energy loss by reducing leakage magnetic flux. Yes.
- the present invention provides an armature-side stator, a pair of first and second rotors each including an inductor disposed on both sides of the armature-side stator, A pair of first field side stator and second field side stator respectively disposed on the other side of the first rotor and the second rotor are disposed with a gap in the axial direction of the drive shaft, An axial type motor in which the first and second rotors are arranged on the drive shaft,
- the armature side stator has a plurality of armature coils arranged at intervals in the circumferential direction.
- the first and second field side stators have a first annular shape around the axis of the drive shaft.
- the second field coil is arranged, and the first and second field coils are energized in opposite directions,
- the first rotor has a first inductor made of a magnetic material having one end surface facing the armature coil and the other end surface facing the outer peripheral side of the first field coil, and one end surface of the first rotor.
- Second inductors made of a magnetic material facing the child coil and having the other end face facing the inner peripheral side of the first field coil are alternately arranged in the circumferential direction,
- the second rotor has a third inductor having one end surface facing the other end surface of the armature coil and a magnetic force that has the other end surface facing the inner peripheral side of the second field coil, and one end surface.
- a third inductor having one end surface facing the other end surface of the armature coil and a magnetic force that has the other end surface facing the inner peripheral side of the second field coil, and one end surface.
- fourth inductors having a magnetic force facing the other end surface of the armature coil and the other end surface facing the outer peripheral side of the second field coil
- An axial motor is provided in which the direction of magnetic flux generated in the first and second field coils provided in the first and second field side stators is opposite.
- the field body and armature coil can be reduced, and the motor can be reduced in size and weight.
- the superconducting material it is preferable to use a high temperature superconducting material such as bismuth or yttrium.
- the inductor has the same cross-sectional area in a direction orthogonal to the axial direction.
- the magnetic flux is saturated in the inductor, the magnetic flux generated in the field coil can be efficiently guided to the armature coil side, and the rotor can be rotated with high efficiency.
- the first to fourth inductors have substantially the same cross-sectional area.
- both the field coil and the armature coil are attached to the stator, sliding contact such as a slip ring is used to supply power to the coil.
- the power feeding structure can be simplified, and the problem of shortening the service life due to contact wear with slip rings and the problem of power feeding instability can be solved.
- the direction of the current flowing between the first field coil and the second field coil is reversed, the direction of the magnetic flux generated by energizing the first field coil and the second field coil is also reversed.
- the leakage flux generated around both field coils is not generated by energizing the two first and second field coils. Therefore, it is possible to reduce leakage magnetic flux and energy loss.
- FIG. 1A is a cross-sectional view of an axial type motor according to an embodiment of the present invention
- FIG. 1B is a cross-sectional view at a position rotated by 90 °.
- FIG. 2 shows a first field side stator, where (A) is a front view and (B) is a cross-sectional view along the line AA.
- FIG. 3 shows a second field side stator, where (A) is a front view and (B) is a cross-sectional view along the line BB.
- FIG. 4 shows the first rotor, (A) is a front view, (B) is a cross-sectional view taken along the line CC, (C) is a rear view, and (D) is a cross-sectional view taken along the line DD.
- FIG. 5 shows the second rotor, (A) is a front view, (B) is a cross-sectional view taken along the line EE, (C) is a rear view, and (D) is a cross-sectional view taken along the line FF.
- FIG. 6 is a front view of an armature side stator.
- FIG. 7 (A) is a schematic diagram showing a part of a magnetic flux generated by energizing a field coil, and (B) is a drawing showing a comparative example.
- FIG. 8 is a drawing showing a conventional example.
- An axial motor 10 having an inductor includes a first field side stator 11, a first rotor 12, an armature side stator 13, and a second rotor. 14, the second field side stator 15 passes through the drive shaft 34 in this order, and the first and second field side stators 11 and 15 and the armature side stator 13 are fixed to the installation surface G and the drive shaft The first and second rotors 12 and 14 are fitted and fixed to the drive shaft 34 with a gap therebetween.
- the first field side stator 11 and the second field side stator 15 are symmetrical.
- the first and second field side stators 11 and 15 include yokes 16 and 29 having a magnetic force fixed to the installation surface G, and heat insulating refrigerant containers 17 and 30 having a vacuum heat insulating structure embedded in the yokes 16 and 29. And first and second field coils 18 and 31, which are winding wires made of a superconducting material accommodated in the heat insulating refrigerant containers 17 and 30, respectively.
- the front force on the side where the first and second field side stators 11 and 15 are arranged on the first and second field coils 18 and 31 is also seen.
- a current is passed through the first and second field coils 18 and 31 in the clockwise direction.
- the first field side stator 11 and the second field side stator 15 are arranged with their coil placement sides facing each other, so that the first field coil 18 and the second field side stator 15 A current is passed through the two-field coil 31 in the opposite direction.
- the yokes 16, 29 of the first and second field side stators 11, 15 have loose fitting holes 16b, 29b drilled in the center larger than the outer diameter of the drive shaft 34, and loose fitting holes 16b. , 29b, and grooves 16a, 29a that are recessed in an annular shape. Liquid nitrogen is circulated in the adiabatic refrigerant container 30 The field coils 18 and 31 are accommodated in this state, and the heat insulating refrigerant containers 17 and 30 are embedded in the grooves 16a and 29a.
- the yokes 16 and 29 are made of a magnetic material such as permender, silicon steel plate, iron or permalloy.
- the superconducting material for forming the field coils 18 and 31 is a bismuth-based or yttrium-based superconducting material.
- the first rotor 12 disposed between the first field side stator 11 and the armature side stator 13 is a disc-shaped support portion having a nonmagnetic material force and having a drive shaft mounting hole 19a. 19 and a pair of first inductors 20 embedded in a point-symmetric position around the mounting hole 19a, and a pair of second inductors embedded at a position rotated by 90 ° from the first inductor 20 With 21!
- the first and second inductors 20 and 21 have fan-shaped end faces 20a and 21a opposed to the armature-side stator 13 arranged at equal intervals on concentric circles and have the same area.
- the other end face 20b of the first inductor 20 is arranged so as to face the N pole generation position on the outer peripheral side of the first field coil 18, and as shown in FIG. 4 (C), the first field coil 18 It is in the shape of a circular arc arranged opposite to the outer periphery side.
- the other end surface 21b of the second inductor 21 is arranged so as to face the S pole generation position on the inner peripheral side of the first field coil 18, and as shown in FIG. 4 (C), the first field coil 18 It is in the shape of an arc arranged opposite to the inner peripheral side of the.
- the second rotor 14 disposed between the second field side stator 15 and the armature side stator 13 has a disk shape and a non-magnetic material force, and has a drive shaft mounting hole 26a. And a pair of third inductors 27 embedded in a point-symmetric position around the mounting hole 26a, and a pair of fourth guides embedded at positions rotated by 90 ° from the third inductor 27. With 28 children.
- the third inductor 27 and the fourth inductor 28 have fan-shaped end faces 27a and 28a facing the armature-side stator 13 arranged at equal intervals on concentric circles and have the same area.
- the other end surface 27b of the third inductor 27 is arranged so as to face the S pole generation position on the inner peripheral side of the second field coil 31, and as shown in FIG. 5 (C), the second field coil 31 It is in the shape of an arc arranged opposite to the inner peripheral side of the.
- the other end surface 28b of the fourth inductor 28 is opposed to the N pole generation position on the outer peripheral side of the second field coil 31.
- the second field coil 31 is arranged in a circular arc shape so as to face the outer peripheral side.
- the first to fourth inductors 20, 21, 27, 28 have one end surface 20a by changing the cross-sectional shape of the arc-shaped other end surfaces 20b, 21b, 27b, 28b in the axial direction.
- 21a, 27a, and 28a have a three-dimensional shape that forms a fan shape.
- the cross-sectional areas of the first to fourth inductors 20, 21, 27, and 28 are constant from the other end surfaces 20b, 21b, 27b, and 28b to the one end surfaces 20a, 21a, 27a, and 28a.
- the other end surfaces 20b, 28b of the first and fourth inductors 20, 28 have the same area as the other end surfaces 21b, 27b of the second and third inductors 21, 27.
- the first inductor 20 of the first rotor 12 and the third inductor 27 of the second rotor 14 are disposed at the same place in the circumferential direction, and are opposed to each other via the armature coil 24. ing.
- the second inductor 21 of the first rotor 12 and the fourth inductor 28 of the second rotor 14 are arranged at the same place in the circumferential direction, and are opposed to each other via the armature coil 24. ing.
- the support portion 26 is made of a nonmagnetic material such as FRP or stainless steel.
- Each inductor is made of a magnetic material such as permender, silicon steel plate, iron, and permalloy.
- the armature side stator 13 has a support portion 22 made of a nonmagnetic material fixed to the installation surface G, and a vacuum heat insulating structure embedded in the support portion 22.
- a heat insulating refrigerant container 23 and an armature coil 24 that is a winding made of a superconducting material housed in the heat insulating refrigerant container 23 are provided.
- the support portion 22 has a loose fitting hole 22b drilled at the center larger than the outer diameter of the drive shaft 34, and four mounting holes 22a drilled at equal intervals in the circumferential direction around the loose fitting hole 22b. I have.
- the adiabatic refrigerant container 23 accommodates an armature coil 24 in a state where liquid nitrogen is circulated, and a flux collector 25 having a magnetic force is disposed in the hollow portion of the armature coil 24.
- Four heat-insulating refrigerant containers 23 containing the armature coils 24 are embedded in the coil mounting holes 22a.
- the flux collector 25 is made of a magnetic material such as permender, silicon steel plate, iron or permalloy. Further, as a superconducting material for forming the armature coil 24, a superconducting material such as bismuth or yttrium is used.
- the support portion 22 may be formed of a nonmagnetic material such as FRP or stainless steel.
- a power feeding device 32 is connected to the first and second field coils 18 and 31 and the armature coil 24 via a wiring to supply direct current to the first and second field coils 18 and 31.
- the armature coil 24 is supplied with three-phase alternating current.
- a liquid nitrogen tank 33 is connected to the heat-insulating refrigerant containers 17, 23, 30 via heat-insulating piping, and circulates liquid nitrogen as a refrigerant.
- the end face 20a of the first inductor 20 is always on the one end face 20a even if the rotor 12 rotates.
- the N pole appears, and the S pole always appears on one end face 21a of the second inductor 21.
- the S pole when DC power is supplied to the second field coil 31, the S pole always appears on one end surface 27a of the third inductor 27 of the rotor 14, and always on the one end surface 28a of the fourth inductor 28. N pole appears.
- the first field coil 18 and the second field coil 31 are energized in opposite directions, so that the induction of the rotor
- magnetic fluxes Bl and B2 in the opposite directions indicated by arrows are generated.
- the first field coil 18 and the second field coil 18 By supplying a current in the opposite direction to the magnetic coil 31, leakage flux as shown in FIG. 7B can be prevented, and energy loss can be reduced.
- the first and second field side stators 11 and 15 to which the first and second field coils 18 and 31 are attached and the armature side stator to which the armature coil 24 is attached are rotated.
- the first to fourth inductors 20, 21, 27, 28 are fixed, and only the first and second rotors 12, 14 rotate with the drive shaft 34, so power is supplied to the coils 18, 31, 24.
- a sliding contact member such as a slip ring is not required, and the power feeding structure can be simplified and the power feeding stability can be improved, and the motor life can be extended.
- the first and second field coils 18, 31 and / or the armature coil 24 may be formed of a normal conductive material such as a copper wire. In that case, a cooling structure for the normal conductive wire is used. It can be unnecessary.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superconductive Dynamoelectric Machines (AREA)
- Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06745406A EP1909374A1 (en) | 2005-07-28 | 2006-04-17 | Axial motor |
CN2006800276566A CN101233672B (zh) | 2005-07-28 | 2006-04-17 | 轴向马达 |
US11/996,798 US7791246B2 (en) | 2005-07-28 | 2006-04-17 | Axial motor |
HK08108832.7A HK1117948A1 (en) | 2005-07-28 | 2008-08-11 | Axial motor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-219243 | 2005-07-28 | ||
JP2005219243A JP4680708B2 (ja) | 2005-07-28 | 2005-07-28 | アキシャル型モータ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007013206A1 true WO2007013206A1 (ja) | 2007-02-01 |
Family
ID=37683113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/308015 WO2007013206A1 (ja) | 2005-07-28 | 2006-04-17 | アキシャル型モータ |
Country Status (8)
Country | Link |
---|---|
US (1) | US7791246B2 (ja) |
EP (1) | EP1909374A1 (ja) |
JP (1) | JP4680708B2 (ja) |
KR (1) | KR20080035584A (ja) |
CN (1) | CN101233672B (ja) |
HK (1) | HK1117948A1 (ja) |
TW (1) | TW200711264A (ja) |
WO (1) | WO2007013206A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4758703B2 (ja) * | 2005-07-28 | 2011-08-31 | 住友電気工業株式会社 | 超電導装置およびアキシャルギャップ型の超電導モータ |
CN202798424U (zh) * | 2011-06-16 | 2013-03-13 | 尤里·拉波波特 | 合并式电动机-发电机 |
US9960648B2 (en) * | 2014-06-22 | 2018-05-01 | H&D Electrics, Llc | Adjustable high torque axial gap electric motor |
KR102644703B1 (ko) * | 2019-11-15 | 2024-03-11 | 한국전력공사 | 초전도 코일을 이용한 초전도 자기 기어 장치 및 이를 이용한 발전 장치 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51134811A (en) * | 1975-05-19 | 1976-11-22 | Hitachi Ltd | Electric motor with no commutator |
JPS54116610A (en) | 1978-03-03 | 1979-09-11 | Hitachi Ltd | Hook shaped magnetic pole generator |
JPH0638418A (ja) * | 1992-07-10 | 1994-02-10 | Toshiba Corp | アキシャルギャップ回転電機 |
JPH0686517A (ja) | 1992-09-03 | 1994-03-25 | Hitachi Ltd | 誘導子型交流発電機 |
JPH11318066A (ja) * | 1999-03-10 | 1999-11-16 | Denso Corp | 車両用交流発電機 |
JP2000513197A (ja) * | 1996-08-05 | 2000-10-03 | ラドフスキー,アレクサンデル | ブラシレス同期型ロータリ電気的機械装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757224A (en) * | 1985-04-26 | 1988-07-12 | Magnetics Research International Corp. | Full flux reversal variable reluctance machine |
JPH0330764U (ja) * | 1989-04-24 | 1991-03-26 | ||
US5945766A (en) * | 1996-01-18 | 1999-08-31 | Amotron Co., Ltd. | Coreless-type BLDC motor and method of producing stator assembly having axial vibration attenuation arrangement |
US5982070A (en) * | 1996-12-27 | 1999-11-09 | Light Engineering Corporation | Electric motor or generator having amorphous core pieces being individually accomodated in a dielectric housing |
JP3981901B2 (ja) * | 1998-02-23 | 2007-09-26 | 株式会社名機製作所 | 推力制御可能な回転型同期機 |
WO2000048294A1 (de) * | 1999-02-12 | 2000-08-17 | Helmut Schiller | Elektrische maschine |
US6005320A (en) * | 1999-06-22 | 1999-12-21 | Amotron Co., Ltd. | Two-phase brushless direct-current motor having single hall effect device |
US6373162B1 (en) * | 1999-11-11 | 2002-04-16 | Ford Global Technologies, Inc. | Permanent magnet electric machine with flux control |
US7090922B2 (en) | 2001-12-18 | 2006-08-15 | 3M Innovative Properties Company | Silicone priming compositions, articles, and methods |
JP4653648B2 (ja) * | 2004-12-24 | 2011-03-16 | 住友電気工業株式会社 | 誘導子型同期機 |
US7608965B2 (en) * | 2005-09-01 | 2009-10-27 | Wisconsin Alumni Research Foundation | Field controlled axial flux permanent magnet electrical machine |
-
2005
- 2005-07-28 JP JP2005219243A patent/JP4680708B2/ja not_active Expired - Fee Related
-
2006
- 2006-04-17 EP EP06745406A patent/EP1909374A1/en not_active Withdrawn
- 2006-04-17 US US11/996,798 patent/US7791246B2/en not_active Expired - Fee Related
- 2006-04-17 KR KR1020087002070A patent/KR20080035584A/ko active IP Right Grant
- 2006-04-17 WO PCT/JP2006/308015 patent/WO2007013206A1/ja active Application Filing
- 2006-04-17 CN CN2006800276566A patent/CN101233672B/zh not_active Expired - Fee Related
- 2006-07-18 TW TW095126208A patent/TW200711264A/zh unknown
-
2008
- 2008-08-11 HK HK08108832.7A patent/HK1117948A1/xx not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51134811A (en) * | 1975-05-19 | 1976-11-22 | Hitachi Ltd | Electric motor with no commutator |
JPS54116610A (en) | 1978-03-03 | 1979-09-11 | Hitachi Ltd | Hook shaped magnetic pole generator |
JPH0638418A (ja) * | 1992-07-10 | 1994-02-10 | Toshiba Corp | アキシャルギャップ回転電機 |
JPH0686517A (ja) | 1992-09-03 | 1994-03-25 | Hitachi Ltd | 誘導子型交流発電機 |
JP2000513197A (ja) * | 1996-08-05 | 2000-10-03 | ラドフスキー,アレクサンデル | ブラシレス同期型ロータリ電気的機械装置 |
JPH11318066A (ja) * | 1999-03-10 | 1999-11-16 | Denso Corp | 車両用交流発電機 |
Also Published As
Publication number | Publication date |
---|---|
US20100141060A1 (en) | 2010-06-10 |
JP2007037342A (ja) | 2007-02-08 |
TW200711264A (en) | 2007-03-16 |
KR20080035584A (ko) | 2008-04-23 |
CN101233672A (zh) | 2008-07-30 |
CN101233672B (zh) | 2011-01-26 |
JP4680708B2 (ja) | 2011-05-11 |
US7791246B2 (en) | 2010-09-07 |
HK1117948A1 (en) | 2009-01-23 |
EP1909374A1 (en) | 2008-04-09 |
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