WO2012141416A1 - Moteur de ventilateur - Google Patents

Moteur de ventilateur Download PDF

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Publication number
WO2012141416A1
WO2012141416A1 PCT/KR2012/000708 KR2012000708W WO2012141416A1 WO 2012141416 A1 WO2012141416 A1 WO 2012141416A1 KR 2012000708 W KR2012000708 W KR 2012000708W WO 2012141416 A1 WO2012141416 A1 WO 2012141416A1
Authority
WO
WIPO (PCT)
Prior art keywords
protruding portion
disposed
fan motor
shaft
pcb
Prior art date
Application number
PCT/KR2012/000708
Other languages
English (en)
Inventor
Jeong Cheol Jang
Gyeong Su Park
Original Assignee
New Motech 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
Application filed by New Motech Co., Ltd. filed Critical New Motech Co., Ltd.
Priority to US14/001,497 priority Critical patent/US20130323094A1/en
Publication of WO2012141416A1 publication Critical patent/WO2012141416A1/fr

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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
    • H02K5/10—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
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • 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
    • 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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • 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
    • H02K7/003—Couplings; Details of shafts
    • 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
    • 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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor

Definitions

  • the present invention relates to a fan motor, and more particularly, to a fan motor that prevents moisture from entering a printed circuit board (which is simply referred to as 'PCB') disposed at the inside thereof and is configured to provide easy assembly.
  • a PCB' printed circuit board
  • a fan motor is a device used to conduct the circulation or forced blast of a fluid.
  • moisture may enter the interior of the fan motor, thereby causing the electronic or mechanical parts mounted inside the fan motor to fail to work. Accordingly, it is very important to completely prevent moisture from entering inside of the fan motor.
  • a bearing is used to rotatably support a rotary shaft of the fan motor against a bracket, and in this case, it is very difficult to perform the assembly work of the bearing to the bracket, which lowers the productivity thereof.
  • the inventors propose to a fan motor that has a space formed inside upper and lower brackets in such a manner as to mount a PCB cover thereinto and further performs easy bearing assembly, thereby improving the productivity in the entire assembly work thereof.
  • the present invention has been made in view of the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a fan motor that has a structure in which the assembly work capability can be improved.
  • a fan motor including: a lower bracket having a lower protruding portion disposed at the center thereof and a space portion formed around the lower protruding portion, the lower protruding portion having a lower bearing insertion portion formed at the inside thereof; an upper bracket having an upper protruding portion disposed at the center thereof, the upper protruding portion having an upper bearing insertion portion formed at the inside thereof; a rotor disposed between the lower protruding portion and the upper protruding portion in such a manner as to be rotated together with a shaft; a stator core adapted to be surrounded with a lower insulator disposed on the top of the lower protruding portion and with an upper insulator disposed on the underside of the upper protruded portion; and a PCB cover adapted to be coupled under the lower insulator in such a manner as to be disposed into the space portion of the lower bracket and having a PCB insertion space portion formed at the inside
  • the lower bearing insertion portion and the upper bearing insertion portion have a lower bearing and an upper bearing forcedly pressed and fitted thereinto.
  • the lower bearing has lower felt coupled to the lower periphery thereof, and the upper bearing has upper felt coupled to the upper periphery thereof.
  • the fan motor further includes a fan adapted to be coupled to the protruding portion of the shaft upwardly from the center portion of the upper bracket, the fan having a shaft insertion protrusion formed protrudedly from the center portion thereof, the shaft insertion protrusion having a shaft insertion portion, and at least one or more gaps formed on the shaft insertion protrusion in a direction of the shaft.
  • the fan motor further includes a PCB adapted to be inserted into the PCB insertion space portion and a sealing portion formed by means of resin molding after the insertion of the PCB.
  • the fan motor that has a structure in which the assembly work capability can be improved and that effectively protects the PCB from moisture.
  • FIG.1 is a sectional view showing a structure of a fan motor according to the present invention.
  • FIG.2 is a perspective view showing a PCB cover adopted to the fan motor according to the present invention.
  • FIG.3 is a perspective view showing a lower insulator adopted to the fan motor according to the present invention.
  • FIG.4 is a perspective view showing a fan adopted to the fan motor according to the present invention.
  • FIG.1 is a sectional view showing a structure of a fan motor according to the present invention.
  • the fan motor according to the present invention largely includes a lower bracket 1, an upper bracket 2, a shaft 3, a rotor 4, a stator core 5, a PCB cover 6 and a fan 7.
  • the lower bracket 1 and the upper bracket 2 serve to accommodate the rotor 4 and the stator core 5 at the inside thereof, thereby isolating them from the outside.
  • the shaft 3 is located at the centers of the lower bracket 1 and the upper bracket 2.
  • the lower bracket 1 has a lower protruding portion 11 disposed at the center thereof in such a manner as to be protruded upwardly, and the lower protruding portion 11 has a lower bearing insertion portion 12 formed at the inside thereof so as to insert a lower bearing 31 thereinto.
  • the lower bearing insertion portion 12 has at least one or more steps formed thereon, into which the lower bearing 31 is pressed and fitted.
  • a lower felt 33 is disposed along a portion of the outer periphery of the lower bearing 31 so as to supply oil to the lower bearing 31.
  • the steps on the lower bearing insertion portion 12 should be formed in consideration of the insertion of the lower felt 33.
  • the lower bracket 1 is injected together with a box frame 13 at the time of making the lower bracket 1.
  • the upper bracket 2 has an upper protruding portion 21 disposed at the center thereof, and the upper protruding portion 21 has an upper bearing insertion portion 22 formed at the inside thereof so as to insert an upper bearing 32 thereinto.
  • the upper bearing insertion portion 22 has at least one or more steps formed thereon, into which the upper bearing 32 is forcedly pressed and fitted.
  • an upper felt 34 is disposed along a portion of the outer periphery of the upper bearing 32 so as to supply oil to the upper bearing 32.
  • the steps on the upper bearing insertion portion 22 should be formed in consideration of the insertion of the upper felt 34.
  • the lower bracket 1 has a space portion 15 between the lower protruding portion 11 formed at the center thereof and the outer peripheral wall thereof.
  • the space portion 15 has the PCB cover 6 disposed thereinto so as to protect a PCB, thereby effectively utilizing the internal structure of the fan motor and easily performing the assembly work thereof.
  • the shaft 3 is rotatably supported against the lower bearing 31 and the upper bearing 32. Further, the shaft 3 is protruded upwardly from the upper bracket 2 in such a manner as to be passed through the upper bracket 2, and the protruding portion of the shaft 3 is coupled to the fan 7.
  • the rotor 4 has a plurality of magnets (not shown) mounted at the inside thereof and is disposed between the lower bearing 31 and the upper bearing 32, while being rotated together with the shaft 3.
  • the rotor 4 is disposed inside the stator core 5.
  • the stator core 5 is coupled to a lower insulator 51 and an upper insulator 52 on the top and underside thereof.
  • the lower insulator 51 is disposed on the top of the lower protruding portion 11 of the lower bracket 1
  • the upper insulator 52 is disposed on the underside of the upper protruding portion 21 of the upper bracket 2.
  • the stator core 5 has a plurality of teeth (not shown) protruded inwardly from the center thereof, and the plurality of teeth has coils (not shown) wound therearound in the state of being coupled to the lower insulator 51 and the upper insulator 52.
  • the lower insulator 51 is coupled in such a manner as to allow the PCB cover 6 to be located into the space portion 15 of the lower bracket 1.
  • the detailed configuration of the PCB cover 6 and the coupling configuration of the PCB cover 6 to the lower insulator 51 will be explained with reference to FIGS.2 and 3.
  • FIG.2 is a perspective view showing a PCB cover adopted to the fan motor according to the present invention
  • FIG.3 is a perspective view showing a lower insulator adopted to the fan motor according to the present invention.
  • the PCB cover 6 has a PCB insertion space portion 62 into which a PCB 61 is inserted.
  • the PCB 61 as shown in FIG.1 is disposed into the PCB insertion space portion 62, and in this state, a sealing portion 64 is formed by means of resin molding.
  • the PCB 61 is surrounded with the PCB cover 6 and the sealing portion 64, thereby being protected from external moisture.
  • the coupling method of the PCB cover 6 to the lower insulator 51 is not limited specially, but may be carried out by means of an adhesive or other coupling means.
  • two coupling holes 63 are formed on the PCB cover 6, and coupling protrusions 51a are formed on the lower insulator 51 correspondingly to the two coupling holes 63.
  • the two coupling protrusions 51a are insertedly coupled to the coupling holes 63, and in this state, the protruded coupling protrusions 51a are melted, which makes the coupling more rigid.
  • FIG.4 is a perspective view showing a fan adopted to the fan motor according to the present invention.
  • the fan 7 has a shaft insertion protrusion 71 formed protrudedly from the center portion thereof in such a manner as to fixedly couple the shaft 3 thereto and a shaft insertion portion 73 formed at the inside of the shaft insertion protrusion 71.
  • the shaft insertion protrusion 71 has at least one or more gaps 72 formed thereon in a direction of the shaft 3. At the time when the shaft 3 is inserted into the shaft insertion portion 73, if a fixing member like a compression spring or a fixing cap is mounted along the shaft insertion protrusion 71, the distance between the gaps 72 becomes decreased to permit the shaft insertion protrusion 71 to press the shaft 3, thereby fixing the fan 7 to the shaft 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

La présente invention concerne un moteur de ventilateur comprenant : une monture inférieure (1) au centre de laquelle est disposée une partie saillante inférieure (11), une partie (15) d'espace étant formée autour de la partie saillante inférieure (11), une partie (12) d'insertion de roulement inférieur étant formée à l'intérieur de la partie saillante inférieure (11) ; une monture supérieure (2) au centre de laquelle est disposée une partie saillante supérieure (21), une partie (22) d'insertion de roulement supérieur étant formée à l'intérieur de la partie saillante supérieure (21) ; un rotor (4) disposé entre la partie saillante inférieure (11) et la partie saillante supérieure (21) de manière à être mis en rotation conjointement à un arbre 3 ; un noyau (5) de stator prévu pour être entouré d'un isolant inférieur (51) disposé sur le dessus de la partie saillante inférieure (11) et d'un isolant supérieur (52) disposé sur le dessous de la partie saillante supérieure (21) ; et un couvercle 6 de PCB prévu pour être assemblé sous l'isolant inférieur (51) de manière à être disposé dans la partie (15) d'espace de la monture inférieure (1) et à l'intérieur duquel est formée une partie (62) d'espace d'insertion de PCB.
PCT/KR2012/000708 2011-04-13 2012-01-31 Moteur de ventilateur WO2012141416A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/001,497 US20130323094A1 (en) 2011-04-13 2012-01-31 Fan motor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110034149A KR101197950B1 (ko) 2011-04-13 2011-04-13 팬 모터
KR10-2011-0034149 2011-04-13

Publications (1)

Publication Number Publication Date
WO2012141416A1 true WO2012141416A1 (fr) 2012-10-18

Family

ID=47009543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/000708 WO2012141416A1 (fr) 2011-04-13 2012-01-31 Moteur de ventilateur

Country Status (3)

Country Link
US (1) US20130323094A1 (fr)
KR (1) KR101197950B1 (fr)
WO (1) WO2012141416A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014129751A1 (fr) * 2013-02-25 2014-08-28 New Motech Co., Ltd. Moteur de soufflante
EP3057206A1 (fr) * 2015-02-13 2016-08-17 Hamilton Sundstrand Corporation Canal de lubrifiant sur un support d'enroulement de stator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101873455B1 (ko) 2016-11-03 2018-07-02 뉴모텍(주) 블로워 모터
KR101869951B1 (ko) * 2016-12-19 2018-06-21 뉴모텍(주) 팬 모터
US10879757B2 (en) * 2017-09-07 2020-12-29 Gopro, Inc. Bearing configuration for an electronic motor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6278207B1 (en) * 1999-12-24 2001-08-21 Minebea Co., Ltd. Blower
US20020190595A1 (en) * 2001-06-14 2002-12-19 Han Seung Do Single phase line start permanent magnet synchronous motor
US20040145261A1 (en) * 2001-06-22 2004-07-29 Helmut Ganter Relay support device for an electric motor, in particular for an electrically commutated dc motor
KR20100027899A (ko) * 2008-09-03 2010-03-11 엘지전자 주식회사 팬 모터

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JP3475215B2 (ja) * 1995-11-30 2003-12-08 日立粉末冶金株式会社 複合型多孔質軸受
JP3497684B2 (ja) * 1996-03-19 2004-02-16 株式会社東芝 回転電機のステータ
JP4496010B2 (ja) * 2004-05-20 2010-07-07 株式会社東芝 モータ
CN101461294B (zh) * 2006-06-01 2011-05-18 松下电器产业株式会社 洗衣机用无刷电动机以及搭载其的洗衣机
JP5021443B2 (ja) * 2007-12-14 2012-09-05 日立オートモティブシステムズ株式会社 回転電機
KR100964694B1 (ko) * 2007-12-18 2010-06-21 엘지전자 주식회사 모터
KR101474425B1 (ko) * 2008-01-21 2014-12-22 엘지전자 주식회사 냉장고용 팬 조립체
TWI373903B (en) * 2008-09-23 2012-10-01 Sunonwealth Electr Mach Ind Co Inner-rotor type fan
CN101752973B (zh) * 2008-12-13 2013-07-17 中山大洋电机股份有限公司 一种直驱电机
KR101130978B1 (ko) * 2010-06-23 2012-03-28 주식회사 아모텍 슬림형 스테이터와 그의 제조방법, 이를 포함하는 슬림형 모터 및 드럼세탁기용 직결식 구동장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6278207B1 (en) * 1999-12-24 2001-08-21 Minebea Co., Ltd. Blower
US20020190595A1 (en) * 2001-06-14 2002-12-19 Han Seung Do Single phase line start permanent magnet synchronous motor
US20040145261A1 (en) * 2001-06-22 2004-07-29 Helmut Ganter Relay support device for an electric motor, in particular for an electrically commutated dc motor
KR20100027899A (ko) * 2008-09-03 2010-03-11 엘지전자 주식회사 팬 모터

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014129751A1 (fr) * 2013-02-25 2014-08-28 New Motech Co., Ltd. Moteur de soufflante
US9641042B2 (en) 2013-02-25 2017-05-02 New Motech Co., Ltd. Fan motor
EP3057206A1 (fr) * 2015-02-13 2016-08-17 Hamilton Sundstrand Corporation Canal de lubrifiant sur un support d'enroulement de stator

Also Published As

Publication number Publication date
KR101197950B1 (ko) 2012-11-05
KR20120116611A (ko) 2012-10-23
US20130323094A1 (en) 2013-12-05

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