WO2015050335A1 - 모터 - Google Patents
모터 Download PDFInfo
- Publication number
- WO2015050335A1 WO2015050335A1 PCT/KR2014/008858 KR2014008858W WO2015050335A1 WO 2015050335 A1 WO2015050335 A1 WO 2015050335A1 KR 2014008858 W KR2014008858 W KR 2014008858W WO 2015050335 A1 WO2015050335 A1 WO 2015050335A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- motor
- protruding
- rotor
- units
- Prior art date
Links
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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
-
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- 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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- 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
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/227—Heat sinks
Definitions
- the present invention relates to a motor.
- the motor generally includes a rotor, a stator, and a housing that houses the rotor and the stator.
- the stator includes a plurality of stator cores and a coil wound around each stator core. When a current is applied to the coil wound on the stator core, the rotor rotates by electromagnetic interaction with the stator.
- a printed circuit board including an inverter circuit may be positioned around the housing of the motor.
- PCBs containing inverter circuits dissipate large amounts of heat and therefore require heat dissipation.
- heat dissipation is a major issue in a motor for a BSG (Belt-Starter-Generator) which performs a starter function for driving an engine of a vehicle and an alternator function for generating power using the rotational force of the engine.
- BSG Belt-Starter-Generator
- a heat sink may be disposed between the housing of the motor and the PCB including the inverter circuit.
- this heat sink increases the overall size of the motor.
- An object of the present invention is to provide a motor.
- the motor includes a rotating shaft, a rotor portion surrounding the rotating shaft, a stator portion spaced apart from the rotor portion, and a housing for fixing the stator portion, wherein an inner surface of the housing includes a plurality of protruding units. It includes.
- An inner surface of the plurality of protruding units and the housing may be integrally formed.
- the plurality of protruding units may be plates erected on an inner surface of the housing.
- the plurality of protruding units may be a heat sink.
- the housing may include a first housing disposed above the motor, and a second housing disposed below the motor, wherein the protruding unit may be formed on an inner surface of a bottom surface of the second housing.
- the apparatus may further include a first heat dissipation fan connected to an upper portion of the rotor portion, and a second heat dissipation fan connected to a lower portion of the rotor portion.
- At least one hole may be formed in at least one of the first housing and the second housing.
- It may further include a printed circuit board which is fastened to an upper portion of the rotary shaft, a pulley for rotating the rotor part using power received from an external component, and a lower portion of the second housing and mounted with an inverter circuit.
- the plurality of protruding units and the housing may include an aluminum material.
- the motor may be applied to a belt-starter-generator (BSG).
- BSG belt-starter-generator
- the housing of the motor includes a bottom surface including a plurality of protruding units formed on an inner surface, and a wall surface surrounding the bottom surface.
- the plurality of protruding units may be integrally formed with the bottom surface.
- At least one of the bottom surface and the wall surface may include a plurality of holes spaced at a predetermined interval.
- the protruding unit may be a heat sink.
- the housing and the heat sink can be integrated to reduce the size of the motor.
- an excellent heat dissipation performance may be obtained by performing a function of the heat sink inside the housing.
- FIG. 1 is an exploded perspective view of a motor for a bevel-starter-generator (BSG) according to an embodiment of the present invention
- FIG. 2 is a cross-sectional view of a motor for a BSG according to an embodiment of the present invention
- FIG. 3 is a perspective view.
- FIG. 4 is a cross-sectional view of a lower housing according to an embodiment of the present invention
- FIG. 5 is a perspective view of a lower housing according to an embodiment of the present invention.
- ordinal numbers such as second and first
- first and second components may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
- second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component.
- FIG. 1 is an exploded perspective view of a motor for a bevel-starter-generator (BSG) according to an embodiment of the present invention
- FIG. 2 is a cross-sectional view of a motor for a BSG according to an embodiment of the present invention
- FIG. 3 is a perspective view.
- the motor 100 for a belt-starter-generator includes a rotation shaft 110, a rotor part 120, a stator part 130, an upper housing 140, and a lower housing 150.
- the side close to the pulley 160 is defined as an upper portion and the side far from the pulley 160 is defined as a lower portion with reference to FIG. 1.
- the rotary shaft 110 is supported by the upper bearing 112 and the lower bearing 114.
- the rotor part 120 surrounds the rotation shaft 110, and when the rotation shaft 110 rotates, the rotor part 120 may move along the axial direction. When the rotation shaft 110 moves in the axial direction, the rotor unit 120 may rotate. The rotor unit 120 may rotate together with the rotation shaft 110. Meanwhile, in FIG. 1, the rotor unit 120 is illustrated as including a rotor core 122 and a drive magnet 124 mounted to the rotor core 122, but is not limited thereto. When the motor 100 is a winding magnetic motor, a coil may be wound on the rotor core 122 instead of the drive magnet 124, and a current may be applied to the rotor part 120 to rotate.
- the stator part 130 includes a stator core 132 and a coil 134 wound around the stator core 132 and spaced apart from the rotor part 120. When a current is applied to the coil 134, the rotor unit 120 may rotate through electromagnetic interaction with the stator unit 130.
- the upper housing 140 and the lower housing 150 fix the stator unit 130. To this end, the upper housing 140 and the lower housing 150 may be fastened at the upper and lower portions of the stator core 132, respectively. Although not shown, the upper housing 140 and the lower housing 150 may be directly fastened to shield the rotor 120 and the stator 130 from the outside.
- the pulley 160 may be fastened to the upper portion of the rotation shaft 110 and may be coupled to a belt moving in conjunction with engine power to rotate the rotor unit 120.
- the pulley 160 may rotate external components such as an engine according to the rotation of the rotor unit 120.
- a plurality of grooves may be formed on the outer circumferential surface of the pulley 160 to fasten the groove belt.
- the printed circuit board 200 (hereinafter referred to as an inverter unit) in which the inverter circuit is mounted is disposed under the lower housing 150 to electrically connect an external component (eg, an engine) and the motor 100.
- an external component eg, an engine
- the inverter unit 200 is illustrated as being directly coupled to the lower housing 150, but is not limited thereto.
- the pulley 160 is rotated by the driving of the engine, and the rotor unit 120 is rotated to generate alternating current.
- the generated alternating current may be converted into direct current through a diode located in the inverter unit 200 and supplied to an external component (eg, a battery).
- the motor When the motor according to an embodiment of the present invention operates as a starter, the rotor unit 120 rotates by the current applied through the inverter unit 200, and the pulley 160 connected to the rotating shaft 110 also rotates to the outside. It can drive parts (eg engines).
- the motor 100 may further include a heat dissipation structure to easily discharge heat.
- the motor includes a heat dissipation fan 170, and the inner surface of the housing is formed with a plurality of protruding units integrally with the housing.
- the heat dissipation fan 170 may be connected to the rotor unit 120 and may rotate together with the rotor unit 120.
- the heat dissipation fan 170 may include an upper heat dissipation fan 172 connected to the upper portion of the rotor unit 120 and a lower heat dissipation fan 174 connected to the lower portion of the rotor unit 120.
- a plurality of holes are formed in the upper housing 140 and the lower housing 150, through which heat may be discharged to the outside of the motor.
- the plurality of protrusion units 152 integrally formed with the lower housing 150 on the inner surface of the lower housing 150 may perform a function of a heat sink.
- a protrusion unit for performing a function of a heat sink is formed on the inner surface of the lower housing 150 as an example, but is not limited thereto.
- a protruding unit that functions as a heat sink may also be formed on the inner surface of the upper housing 140.
- FIG. 4 is a perspective view of a lower housing according to an embodiment of the present invention
- FIG. 5 is a cross-sectional view of the lower housing according to an embodiment of the present invention.
- the lower housing 150 includes a bottom surface 154 including a plurality of protruding units 152 formed on the inner surface I, and a wall surface 156 surrounding the bottom surface 154. ).
- the plurality of protruding units 152 absorbs the heat emitted from the inverter unit 200 and then emits the heat to the outside.
- the protrusion unit 152 that performs the function of the heat sink is disposed on the inner surface of the lower housing 150, the thickness of the motor may be reduced because the heat sink does not need to be additionally disposed under the lower housing 150. It is possible to obtain a miniaturized and lightweight motor.
- the protruding unit 152 is located close to the heat dissipation fan 174, and can directly interact with the heat dissipation fan 174, thereby obtaining more excellent heat dissipation performance.
- the protruding unit 152 may be integrally formed with the lower housing 150.
- the protruding unit 152, the bottom surface 154 and the wall surface 156 may be manufactured by die casting.
- the protruding unit 152, the bottom surface 154 and the wall surface 156 may be made of aluminum.
- the composition of aluminum and additives may vary depending on the heat dissipation performance and hardness required.
- the protruding unit 152 may have a shape of plates (boards) standing on the bottom surface 154. That is, the length and height of the protruding unit 152 may be larger than the thickness. Accordingly, an area in which the protrusion unit 152 which performs the function of the heat sink and the air is increased to increase heat dissipation performance.
- the heights of the plurality of protruding units 152 may be formed differently. For example, a short height protrusion unit and a long height protrusion unit may be alternately arranged. As a result, the heat dissipation performance of the protruding unit can be improved.
- the protruding unit 152 may also be formed on the inner surface of the wall surface 156.
- the protruding units of the wall surface 156 may be formed so as not to overlap with the protruding units of the bottom surface.
- a plurality of holes 158 may be formed at predetermined intervals on the bottom surface 154 and the wall surface 156 of the lower housing 150.
- the height of the hole 158 formed in the wall surface 156 may be higher than the height of the protruding unit 152. Accordingly, heat inside the motor can be easily discharged to the outside of the motor.
- a motor for a belt-starter-generator has been described as an example, the present invention is not limited thereto. Embodiments of the present invention may be variously applied to a motor requiring heat dissipation performance.
Abstract
Description
Claims (14)
- 회전축,상기 회전축을 감싸는 로터부,상기 로터부와 이격되어 배치되는 스테이터부, 그리고상기 스테이터부를 고정하는 하우징을 포함하며,상기 하우징의 내면은 복수의 돌출 유닛을 포함하는 모터.
- 제1항에 있어서,상기 복수의 돌출 유닛과 상기 하우징은 일체로 형성되는 모터.
- 제1항에 있어서,상기 복수의 돌출 유닛은 상기 하우징의 내면에 세워진 판(plates)인 모터.
- 제1항에 있어서,상기 복수의 돌출 유닛은 히트 싱크(heat sink)인 모터.
- 제1항에 있어서,상기 하우징은상기 모터의 상부에 배치되는 제1 하우징, 그리고 상기 모터의 하부에 배치되는 제2 하우징을 포함하며,상기 돌출 유닛은 상기 제2 하우징의 바닥면의 내면에 형성되는 모터.
- 제5항에 있어서,상기 로터부의 상부에 연결되는 제1 방열 팬(fan), 그리고 상기 로터부의 하부에 연결되는 제2 방열팬을 더 포함하는 모터.
- 제5항에 있어서,상기 제1 하우징 및 상기 제2 하우징의 적어도 하나에는 적어도 하나의 홀이 형성되는 모터.
- 제5항에 있어서,상기 회전축의 상부에 체결되며, 외부 부품으로부터 받은 동력을 이용하여 상기 로터부를 회전시키는 풀리(pully), 그리고상기 제2 하우징의 하부에 배치되며, 인버터 회로가 실장되는 인쇄 회로 기판을 더 포함하는 모터.
- 제1항에 있어서,상기 복수의 돌출 유닛 및 상기 하우징은 알루미늄 소재를 포함하는 모터.
- 제1항에 있어서,상기 모터는 BSG(Belt-Starter-Generator)에 적용되는 모터.
- 내면에 형성된 복수의 돌출 유닛을 포함하는 바닥면, 그리고상기 바닥면의 둘레를 감싸는 벽면을 포함하는 모터의 하우징.
- 제11항에 있어서,상기 복수의 돌출 유닛은 상기 바닥면과 일체로 형성되는 모터의 하우징.
- 제11항에 있어서,상기 바닥면 및 벽면 중 적어도 하나는 소정 간격으로 이격되는 복수의 홀을 포함하는 모터의 하우징.
- 제11항에 있어서,상기 돌출 유닛은 히트 싱크(heat sink)인 모터의 하우징.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480054369.9A CN105594102B (zh) | 2013-10-04 | 2014-09-23 | 马达 |
US15/027,119 US10116185B2 (en) | 2013-10-04 | 2014-09-23 | Motor |
EP14850912.8A EP3054567B1 (en) | 2013-10-04 | 2014-09-23 | Motor |
JP2016519786A JP6636911B2 (ja) | 2013-10-04 | 2014-09-23 | モーター |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130118491A KR102056251B1 (ko) | 2013-10-04 | 2013-10-04 | 모터 |
KR10-2013-0118491 | 2013-10-04 |
Publications (1)
Publication Number | Publication Date |
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WO2015050335A1 true WO2015050335A1 (ko) | 2015-04-09 |
Family
ID=52778889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2014/008858 WO2015050335A1 (ko) | 2013-10-04 | 2014-09-23 | 모터 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10116185B2 (ko) |
EP (1) | EP3054567B1 (ko) |
JP (1) | JP6636911B2 (ko) |
KR (1) | KR102056251B1 (ko) |
CN (1) | CN105594102B (ko) |
WO (1) | WO2015050335A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI536717B (zh) * | 2014-11-07 | 2016-06-01 | 財團法人工業技術研究院 | 馬達散熱裝置 |
US10320262B2 (en) * | 2016-10-21 | 2019-06-11 | Borgwarner Inc. | Air cooled starter-generator |
CN108427491B (zh) * | 2017-02-13 | 2019-12-10 | 全亿大科技(佛山)有限公司 | 散热风扇以及具有该散热风扇的电子装置 |
FR3065845B1 (fr) * | 2017-04-28 | 2020-10-23 | Valeo Equip Electr Moteur | Machine electrique tournante munie de picots de securite |
KR101888506B1 (ko) * | 2017-11-03 | 2018-08-16 | 동아전기부품 주식회사 | 벨트 구동식 시동 발전기 장치용 냉각장치 |
KR101881036B1 (ko) * | 2017-11-03 | 2018-07-24 | 동아전기부품 주식회사 | 벨트 구동식 시동 발전기 장치 |
CN109067072B (zh) * | 2018-09-18 | 2023-10-20 | 浙江旺得福车业有限公司 | 一种高效大扭矩轮边电机 |
CN110607656B (zh) * | 2019-09-27 | 2021-03-26 | 珠海格力电器股份有限公司 | 电机散热结构、外转子电机以及具有其的洗衣机 |
CN112242772B (zh) * | 2020-11-04 | 2021-07-02 | 郑州铁路职业技术学院 | 一种用于电机的散热装置 |
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2013
- 2013-10-04 KR KR1020130118491A patent/KR102056251B1/ko active IP Right Grant
-
2014
- 2014-09-23 JP JP2016519786A patent/JP6636911B2/ja active Active
- 2014-09-23 US US15/027,119 patent/US10116185B2/en active Active
- 2014-09-23 WO PCT/KR2014/008858 patent/WO2015050335A1/ko active Application Filing
- 2014-09-23 EP EP14850912.8A patent/EP3054567B1/en active Active
- 2014-09-23 CN CN201480054369.9A patent/CN105594102B/zh active Active
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Also Published As
Publication number | Publication date |
---|---|
KR102056251B1 (ko) | 2019-12-16 |
CN105594102A (zh) | 2016-05-18 |
JP6636911B2 (ja) | 2020-01-29 |
CN105594102B (zh) | 2019-05-07 |
KR20150040004A (ko) | 2015-04-14 |
EP3054567B1 (en) | 2019-11-20 |
EP3054567A4 (en) | 2016-09-28 |
JP2016536956A (ja) | 2016-11-24 |
US10116185B2 (en) | 2018-10-30 |
US20160248297A1 (en) | 2016-08-25 |
EP3054567A1 (en) | 2016-08-10 |
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