WO2007139129A1 - 洗濯機用ブラシレスモータおよびそれを搭載した洗濯機 - Google Patents
洗濯機用ブラシレスモータおよびそれを搭載した洗濯機 Download PDFInfo
- Publication number
- WO2007139129A1 WO2007139129A1 PCT/JP2007/060950 JP2007060950W WO2007139129A1 WO 2007139129 A1 WO2007139129 A1 WO 2007139129A1 JP 2007060950 W JP2007060950 W JP 2007060950W WO 2007139129 A1 WO2007139129 A1 WO 2007139129A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- washing machine
- brushless motor
- drive circuit
- machine according
- sealing resin
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
-
- 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
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
- D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
- D06F37/065—Ribs, lifters, or rubbing means forming part of the receptacle ribs or lifters having means for circulating the washing liquid
-
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
Definitions
- the present invention relates to a brushless motor mounted on a washing machine and a washing machine equipped with the brushless motor.
- induction motors for example, see Patent Document 1 and Patent Document 2
- Brushless motors are installed for high-efficiency energy saving in recent years. Things to do have increased.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-112866
- Patent Document 2 Japanese Patent Laid-Open No. 4-256791
- Patent Document 3 Japanese Patent Laid-Open No. 11-155249
- Patent Document 4 Japanese Patent Laid-Open No. 2001-61258
- a brushless motor for a washing machine of the present invention includes a stator having a stator winding, a rotor having a magnet, a magnetic sensor for detecting the position of the rotor, a circuit board, and a magnetic sensor in accordance with information on the force. And a drive circuit for energizing the stator winding.
- the magnetic sensor and the drive circuit are housed in a case and sealed with a moisture-proof sealing resin to form a drive circuit unit.
- the drive circuit unit is built in the brushless motor. With the above configuration, The moving circuit unit is moisture-proof. Also, since the sealing resin has a low injection pressure, the drive circuit is not damaged.
- FIG. 1 is a partial cross-sectional view of a brushless motor according to an embodiment of the present invention.
- FIG. 2 is a front view of the brushless motor.
- FIG. 3 is a front view of the brushless motor.
- FIG. 4 is a partial cross-sectional view of a drive circuit unit.
- FIG. 5 is an external view of a drive circuit unit.
- FIG. 6 is a partial cross-sectional view of a drive circuit unit.
- FIG. 7 is a partial cross-sectional view of a drive circuit unit.
- FIG. 8 is a partial cross-sectional view of a drive circuit unit.
- FIG. 9 is a partial cross-sectional view of a drive circuit unit.
- FIG. 10 is a cross-sectional view of a washing machine equipped with a brushless motor according to an embodiment of the present invention.
- FIG. 11 is a cross-sectional view of a washing machine equipped with a brushless motor according to an embodiment of the present invention.
- FIG. 12 is an external view of a brushless motor.
- FIG. 13 is an external view of a brushless motor.
- FIG. 1 is a partial cross-sectional view of a brushless motor for a washing machine in an embodiment of the present invention.
- a stator core 101 having a three-phase stator winding constitutes a stator 100 by being covered with an outer casing 102 formed of a mold grease.
- the jacket 102 has a mounting hole 106 in the flange 109.
- a rotor 103 having magnets is inserted into the stator core 101.
- a magnetic sensor (not shown) for detecting the position of the rotor 103 and a drive circuit 105 for energizing the stator wire in accordance with information from the magnetic sensor are housed in a resin case 107 and are used for moisture prevention.
- the drive circuit unit 108 is configured by sealing with grease.
- the drive circuit unit 108 has a connecting wire (not shown) to the stator coil.
- the drive circuit unit 108 is fixed in the brushless motor after the rotor 103 is inserted into the stator core 101.
- the bracket 104 supports the rotor 103 via a bearing 111.
- the power element in the drive circuit 105 is coupled to the bracket 104 via a thermally conductive grease for heat dissipation. In this way, the brushless motor is completed.
- FIGS. 2 and 3 are front views of the motor.
- the stator 100 has a mounting hole 106 in a flange 109 formed integrally with the outer cover 102 by a resin mold.
- Figures 2 and 3 differ in the number of mounting holes. Either one is appropriately selected according to the output of the motor.
- the drive circuit 105 may be embedded by insert molding in a jacket 102 formed of a mold resin. In this case, it is necessary to consider the effect of insert molding pressure on the drive circuit 105.
- FIG. 4 is a sectional view of the drive circuit unit 108
- FIG. 5 is an external view of the drive circuit unit 108.
- the circuit board 112 of the drive circuit 105 is positioned by the protrusion 115 and mounted in the case 107. A gap is provided between the case 107 and the circuit board 112.
- the connecting wire 110 connects the circuit board 112 to the stator wire.
- Sealing resin 113 (hereinafter referred to as “resin 113”) for sealing drive circuit 105 is injected into case 107.
- the upper surface of the electronic component 114 is also exposed to the surface force of the resin 113 and is brought into close contact with a radiator (not shown) through the thermally conductive resin.
- the bracket 104 can be used as a radiator.
- the case 107 in FIG. 6 has a thin portion 121.
- the thin portion 121 relieves the stress generated when the resin 113 hardens.
- the case 107 in FIG. 7 has a recess 122 formed after the resin 113 is cured. Recess
- the case 107 in FIG. 8 has a through hole 123 formed after the resin 113 is cured.
- the through hole 123 penetrates the case 107, the resin 113, and the circuit board 112 at a time, and relieves residual stress after the resin 113 is hardened.
- a case 107 in FIG. 9 has a thin portion 121 and a through hole 123.
- the through hole 123 has a thin wall 12
- the resin 113 and the circuit board 112 are penetrated at a time, and the residual stress after curing of the resin 113 is further effectively reduced.
- FIG. 10 is a first example of the configuration of the washing machine equipped with the brushless motor according to the embodiment of the present invention.
- the housing 310, the washing tub 311 arranged in the housing 310, and the laundry The stirring blade 312 disposed in the tank 311, the shaft 313 connected to the stirring blade 312, the gear (transmission mechanism) 314 connected to the other end of the shaft 313, and the gear 314 are connected to each other.
- the brushless motor 318 the brushless motor shown in FIGS. 1 and 2 is employed.
- FIG. 11 is a second example of a washing machine configured for mounting the brushless motor in the embodiment of the present invention, a housing 4 10, a washing tub 411 disposed within housing 410, washing Tank 411 Tank A drum 412 disposed inside, a shaft 413 connected to the drum 412, a bearing 414 connected to the other end of the shaft 413, a driven pulley 415 connected to the shaft 413, and one of the driven pulley 415 It includes a belt 416 suspended on one side, a drive pulley 417 suspended on the other side of the belt 416, and a brushless motor 418 connected to the drive pulley 417.
- the brushless motor 418 a brushless motor having the appearance shown in FIGS. 12 and 13 is employed.
- the outer casing of the motor is composed of a resin mold.
- the outer cover has a plurality of projecting portions 419 protruding in the radial direction of the motor, and a mounting hole 420 at the tip of the projecting portion.
- the brushless motor 318 and the brushless motor 418 have the same configuration except for the appearance.
- the brushless motor of the present invention has a moisture-proof structure, it is suitable as a motor for a washing machine.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200780020282XA CN101461294B (zh) | 2006-06-01 | 2007-05-30 | 洗衣机用无刷电动机以及搭载其的洗衣机 |
JP2008517952A JP4821852B2 (ja) | 2006-06-01 | 2007-05-30 | 洗濯機用ブラシレスモータおよびそれを搭載した洗濯機 |
EP07766993.5A EP2012572B1 (en) | 2006-06-01 | 2007-05-30 | Brushless motor for washing machine and washing machine having the brushless motor mounted therein |
US12/302,650 US8269380B2 (en) | 2006-06-01 | 2007-05-30 | Brushless motor for washing machine having stress reduction on sensor casing and washing machine having the brushless motor mounted therein |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006153402 | 2006-06-01 | ||
JP2006-153402 | 2006-06-01 | ||
JP2007009747 | 2007-01-19 | ||
JP2007-009747 | 2007-01-19 | ||
JP2007009748 | 2007-01-19 | ||
JP2007-009748 | 2007-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007139129A1 true WO2007139129A1 (ja) | 2007-12-06 |
Family
ID=38778647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/060950 WO2007139129A1 (ja) | 2006-06-01 | 2007-05-30 | 洗濯機用ブラシレスモータおよびそれを搭載した洗濯機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8269380B2 (ja) |
EP (1) | EP2012572B1 (ja) |
JP (1) | JP4821852B2 (ja) |
CN (1) | CN101461294B (ja) |
WO (1) | WO2007139129A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010067614A1 (ja) * | 2008-12-11 | 2010-06-17 | パナソニック株式会社 | 電動機およびそれを備えた電気機器 |
JP2011056039A (ja) * | 2009-09-10 | 2011-03-24 | Panasonic Corp | 機器の透過度検知装置 |
US20110120073A1 (en) * | 2009-05-18 | 2011-05-26 | Ron Flanary | Water-Resistant Electric Motor |
JP2011142784A (ja) * | 2010-01-08 | 2011-07-21 | Max Co Ltd | Dcブラシレスモータ |
JP2015192596A (ja) * | 2014-03-28 | 2015-11-02 | 日本電産株式会社 | モータ及びモータを備えるファン |
WO2017082082A1 (ja) * | 2015-11-13 | 2017-05-18 | 日立工機株式会社 | 電動工具 |
WO2018038009A1 (ja) * | 2016-08-26 | 2018-03-01 | 日本電産テクノモータ株式会社 | 洗濯機 |
US10508653B2 (en) | 2014-03-28 | 2019-12-17 | Nidec Corporation | Motor and fan including the motor |
JP7088928B2 (ja) | 2016-12-05 | 2022-06-21 | ツェットエフ、フリードリッヒスハーフェン、アクチエンゲゼルシャフト | ドライブトレイン試験台の駆動ユニット用の電気モータ |
Families Citing this family (15)
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JP5590598B2 (ja) * | 2007-04-24 | 2014-09-17 | 独立行政法人産業技術総合研究所 | カーボンナノチューブ含有樹脂複合体及びその製造方法 |
US9331544B2 (en) * | 2010-07-14 | 2016-05-03 | Panasonic Intellectual Property Management Co., Ltd. | Brushless motor and method of manufacturing thereof |
KR101197950B1 (ko) * | 2011-04-13 | 2012-11-05 | 뉴모텍(주) | 팬 모터 |
CN102437670A (zh) * | 2011-12-16 | 2012-05-02 | 深圳航天微电机有限公司 | 用于滚筒洗衣机滚筒驱动的无刷电机及滚筒洗衣机 |
CN103227547B (zh) * | 2012-01-26 | 2016-12-28 | 阿斯莫株式会社 | 马达以及无刷马达 |
KR101382036B1 (ko) * | 2013-01-04 | 2014-04-21 | 뉴모텍(주) | 팬 모터 |
CN104124849B (zh) * | 2013-04-25 | 2018-03-27 | 常州雷利电机科技有限公司 | 排水泵用无刷电动机及排水泵 |
KR101520183B1 (ko) * | 2013-09-13 | 2015-05-14 | 뉴모텍(주) | 팬 모터 |
EP2908409B1 (de) * | 2014-02-12 | 2016-09-14 | Pierburg Pump Technology GmbH | Kraftfahrzeug-Nebenaggregat-Elektromotor |
KR101604921B1 (ko) * | 2014-09-05 | 2016-03-21 | 뉴모텍(주) | 팬 모터 |
CN108475957B (zh) * | 2016-01-15 | 2021-08-03 | Cts公司 | 致动器 |
EP3297140A1 (en) | 2016-09-19 | 2018-03-21 | Black & Decker Inc. | Control and power module for brushless motor |
TWI675529B (zh) * | 2018-02-08 | 2019-10-21 | 建準電機工業股份有限公司 | 防水馬達定子的製造方法及防水馬達定子 |
CN114204728B (zh) * | 2020-09-15 | 2023-11-14 | 佛山市威灵洗涤电机制造有限公司 | 电动机及洗衣机 |
CN113241902B (zh) * | 2021-06-29 | 2022-08-26 | 中汽创智科技有限公司 | 一种电机以及制动*** |
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2007
- 2007-05-30 JP JP2008517952A patent/JP4821852B2/ja active Active
- 2007-05-30 US US12/302,650 patent/US8269380B2/en not_active Expired - Fee Related
- 2007-05-30 CN CN200780020282XA patent/CN101461294B/zh active Active
- 2007-05-30 EP EP07766993.5A patent/EP2012572B1/en active Active
- 2007-05-30 WO PCT/JP2007/060950 patent/WO2007139129A1/ja active Application Filing
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JPS5530881A (en) * | 1978-08-28 | 1980-03-04 | Matsushita Electric Works Ltd | Device for sealing electronic part |
JPH04256791A (ja) | 1991-02-08 | 1992-09-11 | Matsushita Electric Ind Co Ltd | 電気洗濯機 |
JPH11103178A (ja) * | 1997-09-26 | 1999-04-13 | Keihin Corp | 乗物搭載用電子制御装置内基板保持構造 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010067614A1 (ja) * | 2008-12-11 | 2010-06-17 | パナソニック株式会社 | 電動機およびそれを備えた電気機器 |
JP5110171B2 (ja) * | 2008-12-11 | 2012-12-26 | パナソニック株式会社 | 電動機およびそれを備えた電気機器 |
US8587167B2 (en) | 2008-12-11 | 2013-11-19 | Panasonic Corporation | Brushless motor and electric device using same |
US20110120073A1 (en) * | 2009-05-18 | 2011-05-26 | Ron Flanary | Water-Resistant Electric Motor |
US8643231B2 (en) * | 2009-05-18 | 2014-02-04 | Moog Inc. | Water-resistant electric motor |
JP2011056039A (ja) * | 2009-09-10 | 2011-03-24 | Panasonic Corp | 機器の透過度検知装置 |
JP2011142784A (ja) * | 2010-01-08 | 2011-07-21 | Max Co Ltd | Dcブラシレスモータ |
JP2015192596A (ja) * | 2014-03-28 | 2015-11-02 | 日本電産株式会社 | モータ及びモータを備えるファン |
US10508653B2 (en) | 2014-03-28 | 2019-12-17 | Nidec Corporation | Motor and fan including the motor |
WO2017082082A1 (ja) * | 2015-11-13 | 2017-05-18 | 日立工機株式会社 | 電動工具 |
WO2018038009A1 (ja) * | 2016-08-26 | 2018-03-01 | 日本電産テクノモータ株式会社 | 洗濯機 |
JP7088928B2 (ja) | 2016-12-05 | 2022-06-21 | ツェットエフ、フリードリッヒスハーフェン、アクチエンゲゼルシャフト | ドライブトレイン試験台の駆動ユニット用の電気モータ |
Also Published As
Publication number | Publication date |
---|---|
JP4821852B2 (ja) | 2011-11-24 |
EP2012572A1 (en) | 2009-01-07 |
EP2012572B1 (en) | 2018-07-04 |
CN101461294A (zh) | 2009-06-17 |
US20100019629A1 (en) | 2010-01-28 |
CN101461294B (zh) | 2011-05-18 |
US8269380B2 (en) | 2012-09-18 |
EP2012572A4 (en) | 2015-04-29 |
JPWO2007139129A1 (ja) | 2009-10-08 |
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