US20100253159A1 - Permanent-magnet Synchronous Motor of Drainage Pump - Google Patents

Permanent-magnet Synchronous Motor of Drainage Pump Download PDF

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Publication number
US20100253159A1
US20100253159A1 US12/667,358 US66735808A US2010253159A1 US 20100253159 A1 US20100253159 A1 US 20100253159A1 US 66735808 A US66735808 A US 66735808A US 2010253159 A1 US2010253159 A1 US 2010253159A1
Authority
US
United States
Prior art keywords
permanent
aluminum wire
synchronous motor
magnet synchronous
draining pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/667,358
Other languages
English (en)
Inventor
Huashan Shi
Yuyang Ma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangmen Idear Hanyu Electrical JSCL
Original Assignee
JIANGMEN HANYU ELECTRICAL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39036217&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20100253159(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by JIANGMEN HANYU ELECTRICAL CO Ltd filed Critical JIANGMEN HANYU ELECTRICAL CO Ltd
Assigned to JIANGMEN HANYU ELECTRICAL CO., LTD. reassignment JIANGMEN HANYU ELECTRICAL CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MA, YUYANG, SHI, HUASHAN
Publication of US20100253159A1 publication Critical patent/US20100253159A1/en
Assigned to JIANGMEN IDEAR HANYU ELECTRICAL JOINT STOCK CO., LTD. reassignment JIANGMEN IDEAR HANYU ELECTRICAL JOINT STOCK CO., LTD. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: JIANGMEN HANYU ELECTRICAL CO., LTD.
Assigned to JIANGMEN IDEAR HANYU ELECTRICAL JOINT-STOCK CO., LTD. reassignment JIANGMEN IDEAR HANYU ELECTRICAL JOINT-STOCK CO., LTD. CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS FROM NO. 339 TO NO. 336 RECORDATION DATE OF 07/07/2011 PREVIOUSLY RECORDED ON REEL 026554 FRAME 0052. ASSIGNOR(S) HEREBY CONFIRMS THE ADDRESS SHOULD BE: NO. 336 QINGLAN ROAD HI-TECH ZONE JIANGMEN CITY, GUANGDONG PROVINCE, P.R. CHINA 529040. Assignors: JIANGMEN HANYU ELECTRICAL CO., LTD.
Abandoned legal-status Critical Current

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Classifications

    • 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
    • H02K5/08—Insulating casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14—Casings; Enclosures; Supports
    • 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
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/18—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores
    • H02K21/185—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores with the axis of the rotor perpendicular to the plane of the armature
    • 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
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine
    • Y10T29/49012—Rotor

Definitions

  • the present invention relates to a permanent-magnet synchronous motor of draining pump, in particular to a permanent-magnet synchronous motor of a draining pump in which an enameled aluminum wire is applied to a stator coil.
  • the present invention provides a permanent-magnet synchronous motor of a draining pump which has ability to prevent its enameled aluminum wire winding and a welding point of the winding from oxidization and corrosion.
  • the permanent-magnet synchronous motor of draining pump comprises a permanent-magnet rotor for driving an impeller to rotate, a pump body for supporting the permanent-magnet rotor, a stator core and a stator coil, in which the stator coil has an enameled aluminum wire winding which is constructed by coiling an enameled aluminum wire.
  • the enameled aluminum wire winding is sealed in a container.
  • the enameled aluminum wire winding of the invention is sealed in the container so as to be isolated from air, in particular acidic and alkaline mist in the moist environment, it prevents the enameled aluminum wire winding from being oxidized and corroded.
  • a welding part of a lead-out wire for the enameled aluminum wire winding is covered or coated with insulating material which isolate it from the outside, so that the present invention brings a technical effect of avoiding the welding part being oxidized and corroded.
  • the container for sealing and packaging the enameled aluminum wire is a plastic-seal plastic container or an epoxy resin container. It not only has improved sealing effect, but also is easier to be produced and manufactured.
  • the plastic-seal plastic container takes the shape of coil bobbin of the enameled aluminum wire.
  • the epoxy resin container is formed by pouring epoxy resin onto the enameled aluminum wire placed in a cavity body and solidifying it.
  • the enameled aluminum wire and the welding part of its lead-out wire are insulated or isolated from the outside by the way of covering and sealing them with epoxy resin being poured onto them.
  • the outside surface of the enameled aluminum wire winding may be firstly covered by insulating paper tape, and then sealed by plastic or epoxy resin.
  • the welding part of the lead-out wire for the enameled aluminum wire winding is treated on its surface with tin plating or tin immersion.
  • the diameter of the enameled aluminum wire is less than or equal to 1.0 mm and the thickness of the stator core is between 10 mm and 50 mm.
  • the winding of the stator coil is sealed with plastic or epoxy resin, it is isolated from acidic and alkaline mist in a humid environment. It effectively prevent the winding of the stator coil from being corroded and prevent a welding point of the aluminum wire, which is generally welded with a copper terminal, from conducting oxidation reaction of copper and aluminum by the influence of oxygen in air.
  • stator coil The winding of the stator coil is sealed with plastic. Plastic keep it and the coil lead-out wire of it separate from the outside which effectively prevents them from being corroded by salty mist.
  • Such a configuration of the invention allows it to be quickly and efficiently produced in mass or batches with low cost and reliable quality.
  • FIG. 1 is an overall structural view of a permanent-magnet synchronous motor of a draining pump according to the present invention.
  • FIG. 2 is a schematic view of the stator coil which is not sealed with plastic according to the present invention.
  • FIG. 3 is a schematic view of the stator coil which is sealed with plastic according to the present invention.
  • FIG. 4 is a schematic view of the stator coil which is sealed with epoxy resin according to the present invention.
  • FIG. 1 illustrates the overall structure for the permanent-magnet synchronous motor of a draining pump.
  • the permanent-magnet synchronous motor of a draining pump includes a permanent-magnet rotor 2 for driving a impeller to rotate, a pump body 3 for supporting the permanent-magnet rotor, a stator core 5 and a stator coil 4 .
  • the stator coil 4 has an enameled aluminum wire winding which constructed by coiling an enameled aluminum wire 7 and is sealed in a container 10 .
  • insulating materials include insulating glue, insulating varnish, epoxy resin and so on.
  • FIG. 1 also illustrates a draining pump applied to the present invention.
  • the draining pump can drain off water by means of rotation of an impeller 1 which is driven by the permanent-magnet rotor 2 of the permanent-magnet synchronous motor.
  • the permanent-magnet rotor 2 is supported by the pump body 3 .
  • the stator coil 4 is arranged on the stator core 5 which is fixed on the pump body 3 . When the current flows through the stator coil 4 , the permanent-magnet rotor 2 rotates to drive the impeller 1 for draining off water.
  • FIG. 2 shows the stator coil 4 which is not sealed.
  • the enameled aluminum wire winding is formed by winding or coiling the enameled aluminum wire 7 around the coil bobbin 6 .
  • the outside surface of the enameled aluminum wire winding is covered with one layer or layers of insulating paper tape 8 .
  • the outside surface for the welding part of the lead-out wire of the enameled aluminum wire is subject to insulating treatment.
  • the welding part of the lead-out wire of the enameled aluminum wire is coated with insulating substance such as insulating varnish and so on, so that it is insulated from the outside.
  • the welding part of the lead-out wire 9 of the enameled aluminum wire winding is the one that is welded, and suffers surface treatment with tinning or tin immersion.
  • FIG. 3 shows the stator coil which is sealed.
  • the enameled aluminum wire 7 wound on the coil bobbin 6 is sealed in the container 10 after it is covered with the insulating paper 8 .
  • the container 10 can be a plastic-encapsulation container and it takes the shape of the coil bobbin 6 wound with the enameled aluminum wire 7 .
  • the plastic-encapsulation container is formed by sealing and packaging the coil bobbin 6 wound with the enameled aluminum wire 7 with plastic.
  • the welding part 9 of the lead-out wire for the enameled aluminum wire winding is also sealed in the container 10 .
  • FIG. 4 shows the stator coil which is sealed with epoxy resin.
  • the stator coil 4 wound with the enameled aluminum wire is first placed into a pump body having annular thin-wall cavity and then it is poured with epoxy resin.
  • the enameled aluminum wire winding, especially its welding point of the lead-out wire, is coated and sealed with epoxy resin.
  • the diameter of the enameled aluminum wire 7 is less than or equal to 1.0 mm and the thickness of the stator core 5 is between 10 mm and 50 mm.
  • stator coil winding especially its lead-out wire welding part, is sealed with plastic or epoxy resin, it is isolated from acidic and alkaline mist in a humid environment. It is effectively prevent the stator coil winding from being corroded and the aluminum wire welding point, which is generally welded with copper terminal, from occurring oxidation reaction of copper and aluminum under the action of oxygen in air.
  • stator coil is sealed with plastic and plastic can separate the stator coil winding and the coil lead-out wire isolated from the outside, which effectively prevents the stator coil winding from being corroded by salt mist.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Windings For Motors And Generators (AREA)
US12/667,358 2007-08-08 2008-02-22 Permanent-magnet Synchronous Motor of Drainage Pump Abandoned US20100253159A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200710143209.3 2007-08-08
CN2007101432093A CN101102068B (zh) 2007-08-08 2007-08-08 排水泵永磁同步电机
PCT/CN2008/000388 WO2009018707A1 (fr) 2007-08-08 2008-02-22 Moteur synchrone à aimants permanents pour une pompe de décharge

Publications (1)

Publication Number Publication Date
US20100253159A1 true US20100253159A1 (en) 2010-10-07

Family

ID=39036217

Family Applications (2)

Application Number Title Priority Date Filing Date
US12/667,358 Abandoned US20100253159A1 (en) 2007-08-08 2008-02-22 Permanent-magnet Synchronous Motor of Drainage Pump
US12/638,306 Active US8624451B2 (en) 2007-08-08 2009-12-15 Permanent-magnet synchronous motor of drainage pump

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/638,306 Active US8624451B2 (en) 2007-08-08 2009-12-15 Permanent-magnet synchronous motor of drainage pump

Country Status (6)

Country Link
US (2) US20100253159A1 (zh)
EP (2) EP2178193A4 (zh)
CN (1) CN101102068B (zh)
RU (1) RU2516377C2 (zh)
WO (1) WO2009018707A1 (zh)
ZA (1) ZA201003213B (zh)

Cited By (1)

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US20090278640A1 (en) * 2008-05-06 2009-11-12 Oh Sung-Taeg Field coil assembly of electromagnetic clutch for compressor and method for manufacturing the same

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CN101102068B (zh) * 2007-08-08 2010-12-29 江门市汉宇电器有限公司 排水泵永磁同步电机
CN101404427B (zh) * 2008-02-01 2012-06-06 江门市地尔汉宇电器股份有限公司 具有铝漆包线定子绕组的脱水电机
US20100123363A1 (en) * 2008-11-17 2010-05-20 Electrolux Home Products, Inc. Method of preventing corrosion in a pump motor for a dishwasher, and associated apparatus
KR20100090482A (ko) * 2009-02-06 2010-08-16 삼성전자주식회사 모터 및 이를 포함하는 세탁기
JP5713975B2 (ja) * 2012-09-28 2015-05-07 三菱電機株式会社 電動機の固定子、電動機、密閉型圧縮機および回転機械
CN104822944B (zh) 2012-12-12 2017-04-12 江门市地尔汉宇电器股份有限公司 交流永磁排水泵
WO2014090079A1 (zh) * 2012-12-12 2014-06-19 江门市地尔汉宇电器股份有限公司 交流永磁排水泵
CN203261148U (zh) * 2013-02-06 2013-10-30 阿斯科控股有限责任公司 具有铝绕组的定子组件和包括该定子组件的电动机和排水泵
JP2015039283A (ja) * 2013-04-02 2015-02-26 アスモ株式会社 回転電機
CN103219844A (zh) * 2013-05-09 2013-07-24 东华大学 一种基于密封结构的干式单相交流异步电机及应用
CN103219845A (zh) * 2013-05-09 2013-07-24 东华大学 一种基于密封结构的充油式单相交流异步电机及应用
CN103354411A (zh) * 2013-05-09 2013-10-16 东华大学 一种基于密封结构的充水式永磁同步电机
CN103259381A (zh) * 2013-05-09 2013-08-21 东华大学 一种基于密封结构的干式三相交流异步电机及应用
CN103219846A (zh) * 2013-05-09 2013-07-24 东华大学 一种基于密封结构的充油式三相交流异步电机及应用
CN105322730B (zh) * 2014-07-28 2017-09-15 江门市地尔汉宇电器股份有限公司 一种永磁同步电机及其制备方法
KR102194259B1 (ko) 2015-12-24 2020-12-22 삼성전자주식회사 펌프모터 및 이를 구비한 세탁기
CN107240971B (zh) * 2016-03-28 2020-10-16 德昌电机(深圳)有限公司 电机及其定子
US10404147B2 (en) * 2016-03-28 2019-09-03 Johnson Electric International AG Stator, single phase motor and fan
RU2696853C2 (ru) * 2016-08-09 2019-08-07 Рябых Виктор Владимирович Электродвигатель
EP3876392A1 (en) * 2020-03-03 2021-09-08 Bleckmann GmbH & Co. KG Pump for water-conducting home appliances
IT202100031277A1 (it) * 2021-12-14 2023-06-14 Taco Italia S R L Circolatore di fluido

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US8013705B2 (en) * 2008-05-06 2011-09-06 Halla Climate Control Corp. Field coil assembly of electromagnetic clutch for compressor and method for manufacturing the same
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US20100090548A1 (en) 2010-04-15
EP2178193A1 (en) 2010-04-21
RU2010117534A (ru) 2011-11-10
CN101102068A (zh) 2008-01-09
ZA201003213B (en) 2011-08-31
EP4142124A1 (en) 2023-03-01
WO2009018707A1 (fr) 2009-02-12
EP2178193A4 (en) 2017-03-15
CN101102068B (zh) 2010-12-29
US8624451B2 (en) 2014-01-07
RU2516377C2 (ru) 2014-05-20

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