TWI404299B - Permanent magnet motor and washing machine - Google Patents
Permanent magnet motor and washing machine Download PDFInfo
- Publication number
- TWI404299B TWI404299B TW097142221A TW97142221A TWI404299B TW I404299 B TWI404299 B TW I404299B TW 097142221 A TW097142221 A TW 097142221A TW 97142221 A TW97142221 A TW 97142221A TW I404299 B TWI404299 B TW I404299B
- Authority
- TW
- Taiwan
- Prior art keywords
- magnetic
- permanent magnet
- magnetic field
- quadrant
- point
- Prior art date
Links
- 238000005406 washing Methods 0.000 title claims description 27
- 230000005415 magnetization Effects 0.000 claims abstract description 35
- 230000005347 demagnetization Effects 0.000 claims abstract description 12
- 230000004907 flux Effects 0.000 claims description 65
- 230000010287 polarization Effects 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 16
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 93
- 238000004804 winding Methods 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 25
- 230000008859 change Effects 0.000 description 15
- 238000003780 insertion Methods 0.000 description 14
- 230000037431 insertion Effects 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 11
- 229910000828 alnico Inorganic materials 0.000 description 9
- 229910052772 Samarium Inorganic materials 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- -1 aluminum-nickel-cobalt Chemical compound 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
- H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2791—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/206—Mounting of motor
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
- H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/279—Magnets embedded in the magnetic core
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/021—Means for mechanical adjustment of the excitation flux
- H02K21/028—Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Textile Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007287442 | 2007-11-05 | ||
| JP2008115361 | 2008-04-25 | ||
| JP2008211690A JP5112219B2 (ja) | 2007-11-05 | 2008-08-20 | 永久磁石モータ、洗濯機、および、制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200934059A TW200934059A (en) | 2009-08-01 |
| TWI404299B true TWI404299B (zh) | 2013-08-01 |
Family
ID=40587418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097142221A TWI404299B (zh) | 2007-11-05 | 2008-10-31 | Permanent magnet motor and washing machine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7923879B2 (enExample) |
| JP (1) | JP5112219B2 (enExample) |
| KR (1) | KR101015364B1 (enExample) |
| CN (1) | CN101431264B (enExample) |
| TW (1) | TWI404299B (enExample) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624314B (zh) | 2006-07-24 | 2015-02-18 | 株式会社东芝 | 可变磁通电动机驱动器系统 |
| JP4966164B2 (ja) * | 2007-11-05 | 2012-07-04 | 株式会社東芝 | 洗濯機 |
| JP5226276B2 (ja) * | 2007-11-07 | 2013-07-03 | 株式会社東芝 | 洗濯機のインバータ装置 |
| JP4837020B2 (ja) * | 2008-11-25 | 2011-12-14 | 株式会社東芝 | 永久磁石モータおよび洗濯機 |
| JP4403253B1 (ja) * | 2009-01-14 | 2010-01-27 | 有限会社クラ技術研究所 | 磁束量可変軸方向間隙回転電機システム |
| WO2010141108A2 (en) * | 2009-01-27 | 2010-12-09 | Massachusetts Institute Of Technology | Electropermanent magnet-based motors |
| JP5398348B2 (ja) * | 2009-05-20 | 2014-01-29 | 株式会社東芝 | 永久磁石モータおよび洗濯機 |
| JP5468306B2 (ja) * | 2009-05-25 | 2014-04-09 | 株式会社東芝 | 洗濯機 |
| CN101860104A (zh) * | 2009-06-17 | 2010-10-13 | 王凤林 | 用于永磁电动机或永磁发电机转子的磁机构 |
| JP5127800B2 (ja) * | 2009-09-18 | 2013-01-23 | 株式会社東芝 | モータ制御装置 |
| PL2366827T3 (pl) * | 2010-03-18 | 2013-05-31 | Askoll Holding Srl | Zespół silnika i wentylatorów suszarki kondensacyjnej do bielizny oraz suszarka kondensacyjna zawierająca wspomniany zespół |
| FR2959362B1 (fr) * | 2010-04-23 | 2012-05-04 | Valeo Equip Electr Moteur | Rotor de machine electrique tournante avec structures interpolaires |
| JP5341854B2 (ja) * | 2010-09-30 | 2013-11-13 | 株式会社東芝 | 永久磁石モータおよび洗濯機 |
| US20120126652A1 (en) * | 2010-11-18 | 2012-05-24 | Manoj Shah | Rotor Structure For A Fault-Tolerant Permanent Magnet Electromotive Machine |
| KR101949198B1 (ko) * | 2011-09-08 | 2019-02-20 | 삼성전자주식회사 | 모터와 이를 가지는 세탁기 |
| EP2611002A3 (en) * | 2011-12-28 | 2015-07-08 | Remy Technologies, LLC | Dual magnet rotor |
| KR101276016B1 (ko) * | 2012-05-02 | 2013-06-19 | 뉴모텍(주) | 가변 자속 모터 |
| KR101363199B1 (ko) * | 2012-12-03 | 2014-02-13 | 뉴모텍(주) | 가변 자속 모터 |
| KR101407854B1 (ko) * | 2012-12-03 | 2014-06-16 | 뉴모텍(주) | 가변 자속 모터 |
| WO2014112839A1 (ko) * | 2013-01-21 | 2014-07-24 | 주식회사 아모텍 | 다중 모터 구동장치와 이를 이용한 세탁기용 모터 구동장치 및 그 방법 |
| KR102331602B1 (ko) * | 2015-04-06 | 2021-11-30 | 엘지전자 주식회사 | 의류처리장치 |
| FR3034917B1 (fr) * | 2015-04-07 | 2018-11-09 | Valeo Equipements Electriques Moteur | Stator de demarreur pour vehicule automobile a plage de remanence optimisee |
| JP6610209B2 (ja) * | 2015-07-29 | 2019-11-27 | 日産自動車株式会社 | 永久磁石式回転電機、及び、永久磁石式回転電機の制御方法 |
| CN106487187B (zh) * | 2015-08-28 | 2020-11-10 | 德昌电机(深圳)有限公司 | 单相永磁电机及使用该电机的吹风机 |
| CN107265152B (zh) * | 2017-06-09 | 2019-08-16 | 浙江汇锋薄膜科技有限公司 | 一种导电薄膜的制备设备上的放料张紧装置 |
| US11670977B2 (en) | 2019-04-24 | 2023-06-06 | Black & Decker Inc. | Outer rotor brushless motor stator mount |
| JP7613819B2 (ja) | 2020-09-21 | 2025-01-15 | イーヴィーアール モーターズ リミテッド | ラジアルフラックス電気機械 |
| EP4275268A4 (en) * | 2021-01-08 | 2024-11-06 | Polywavepower IP Proprietary Limited | BIPOLAR INDUCTION ELECTRIC MACHINE |
| US11926880B2 (en) | 2021-04-21 | 2024-03-12 | General Electric Company | Fabrication method for a component having magnetic and non-magnetic dual phases |
| US11661646B2 (en) | 2021-04-21 | 2023-05-30 | General Electric Comapny | Dual phase magnetic material component and method of its formation |
| US12081073B2 (en) | 2021-10-04 | 2024-09-03 | Evr Motors Ltd | Electric machine with multi-tapered yokes |
| TWI849682B (zh) | 2023-01-09 | 2024-07-21 | 財團法人工業技術研究院 | 具雙定子之馬達 |
| US12136869B1 (en) | 2023-12-28 | 2024-11-05 | Evr Motors Ltd | Heat dissipation plate for electric machine |
| US12046949B1 (en) | 2023-12-28 | 2024-07-23 | Evr Motors Ltd | Electric machine with coils bridged with toothed clips |
| US12278519B1 (en) | 2023-12-28 | 2025-04-15 | Evr Motors Ltd | Electric machine with multiple toothed spacers in coils |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4217508A (en) * | 1977-04-08 | 1980-08-12 | Sony Corporation | DC motor |
| JPH07336980A (ja) * | 1994-06-01 | 1995-12-22 | Nippondenso Co Ltd | ブラシレスｄｃモータ |
| JPH08214478A (ja) * | 1995-01-31 | 1996-08-20 | Toshiba Corp | 永久磁石界磁方式回転電機 |
| US5705871A (en) * | 1995-12-28 | 1998-01-06 | Minebea Co., Ltd. | Pulse generator having index angles formed by permanent magnet rotor |
| US6441522B1 (en) * | 2000-03-31 | 2002-08-27 | Coleman Powermate, Inc. | Electromagnetic apparatus employing high permeability low conductivity element |
| US20070182264A1 (en) * | 2005-09-13 | 2007-08-09 | Lg Electronics Inc. | Motor and washing machine including the same |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3322987A (en) * | 1964-09-14 | 1967-05-30 | Kohlhagen Walter | Self-starting rotors for synchronous reaction motors |
| JPS5899251A (ja) * | 1981-12-05 | 1983-06-13 | Hitachi Metals Ltd | 回転電気機械用永久磁石 |
| US4405873A (en) * | 1981-10-26 | 1983-09-20 | General Electric Company | Rotor for a line-start permanent-magnet motor |
| JPS62237314A (ja) * | 1986-04-08 | 1987-10-17 | Diesel Kiki Co Ltd | 回転角度検出装置 |
| JP2827457B2 (ja) * | 1990-05-29 | 1998-11-25 | 松下電器産業株式会社 | 希土類鉄系磁石の製造方法 |
| JP3167535B2 (ja) * | 1994-06-21 | 2001-05-21 | 株式会社東芝 | 永久磁石式回転電機 |
| JP3493120B2 (ja) * | 1997-09-25 | 2004-02-03 | 株式会社東芝 | 洗濯機 |
| JP3818340B2 (ja) * | 1997-09-26 | 2006-09-06 | 株式会社富士通ゼネラル | 永久磁石電動機 |
| JP4619585B2 (ja) * | 2001-09-06 | 2011-01-26 | 株式会社東芝 | リラクタンス型回転電機 |
| KR20060027530A (ko) | 2004-09-23 | 2006-03-28 | 엘지전자 주식회사 | 분리형 공기조화기의 실내기 |
| KR100680201B1 (ko) * | 2004-09-17 | 2007-02-08 | 엘지전자 주식회사 | 영구자석형 모터 |
| JP4496064B2 (ja) * | 2004-11-25 | 2010-07-07 | 株式会社東芝 | 永久磁石形モータ及び洗濯機 |
| JP5398103B2 (ja) * | 2005-03-01 | 2014-01-29 | 株式会社東芝 | 永久磁石式回転電機 |
| JP4817745B2 (ja) * | 2005-07-27 | 2011-11-16 | 株式会社東芝 | ベクトル制御インバータ装置 |
-
2008
- 2008-08-20 JP JP2008211690A patent/JP5112219B2/ja active Active
- 2008-10-31 TW TW097142221A patent/TWI404299B/zh not_active IP Right Cessation
- 2008-11-04 KR KR1020080108646A patent/KR101015364B1/ko active Active
- 2008-11-05 US US12/265,097 patent/US7923879B2/en not_active Expired - Fee Related
- 2008-11-05 CN CN2008101744437A patent/CN101431264B/zh active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4217508A (en) * | 1977-04-08 | 1980-08-12 | Sony Corporation | DC motor |
| JPH07336980A (ja) * | 1994-06-01 | 1995-12-22 | Nippondenso Co Ltd | ブラシレスｄｃモータ |
| JPH08214478A (ja) * | 1995-01-31 | 1996-08-20 | Toshiba Corp | 永久磁石界磁方式回転電機 |
| US5705871A (en) * | 1995-12-28 | 1998-01-06 | Minebea Co., Ltd. | Pulse generator having index angles formed by permanent magnet rotor |
| US6441522B1 (en) * | 2000-03-31 | 2002-08-27 | Coleman Powermate, Inc. | Electromagnetic apparatus employing high permeability low conductivity element |
| US20070182264A1 (en) * | 2005-09-13 | 2007-08-09 | Lg Electronics Inc. | Motor and washing machine including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009284746A (ja) | 2009-12-03 |
| US20090115361A1 (en) | 2009-05-07 |
| KR101015364B1 (ko) | 2011-02-16 |
| CN101431264B (zh) | 2012-06-13 |
| US7923879B2 (en) | 2011-04-12 |
| CN101431264A (zh) | 2009-05-13 |
| JP5112219B2 (ja) | 2013-01-09 |
| KR20090046702A (ko) | 2009-05-11 |
| TW200934059A (en) | 2009-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |