JPWO2020122077A5 - - Google Patents

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Publication number
JPWO2020122077A5
JPWO2020122077A5 JP2020559259A JP2020559259A JPWO2020122077A5 JP WO2020122077 A5 JPWO2020122077 A5 JP WO2020122077A5 JP 2020559259 A JP2020559259 A JP 2020559259A JP 2020559259 A JP2020559259 A JP 2020559259A JP WO2020122077 A5 JPWO2020122077 A5 JP WO2020122077A5
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JP
Japan
Prior art keywords
propeller
cooling structure
motor
stator
rotor
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.)
Pending
Application number
JP2020559259A
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Japanese (ja)
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JPWO2020122077A1 (en
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/JP2019/048346 external-priority patent/WO2020122077A1/en
Publication of JPWO2020122077A1 publication Critical patent/JPWO2020122077A1/en
Publication of JPWO2020122077A5 publication Critical patent/JPWO2020122077A5/ja
Pending legal-status Critical Current

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Claims (5)

基板に配置されるモータ及び該モータの駆動によって回転されるプロペラを備えるモータの冷却構造において、
前記プロペラは、熱伝導性部材によって形成され、
前記モータは、
コイルが配置されて該コイルから発生する熱を前記基板に伝熱する熱伝導性部材によって形成されるステータと、
前記プロペラが連結されて前記ステータと組み合わせられるとともに該ステータに配置される前記コイルとの間で磁界を発生させる磁石が配置されて該磁石から発生する熱を前記プロペラに伝熱する熱伝導性部材によって形成されるロータと、を備え、
前記プロペラの回転によって前記ロータから前記プロペラに伝熱された熱が放熱されるとともに前記ステータから前記基板に伝熱された熱が前記プロペラの回転によって発生する空気流に放熱され、
前記ロータは、
前記ステータを収容するアウタロータであり、
前記アウタロータの回転軸に前記プロペラのプロペラ側軸受が係合され、前記プロペラ側軸受を貫通して前記アウタロータのロータケースに係合するビスによって前記プロペラと前記アウタロータとが連結されることを特徴とするモータの冷却構造。 In a motor cooling structure comprising a motor arranged on a substrate and a propeller rotated by driving the motor,
The propeller is formed of a thermally conductive member,
The motor is
a stator formed by a thermally conductive member in which a coil is disposed and which conducts heat generated by the coil to the substrate;
A thermally conductive member coupled to the propeller and combined with the stator, and having a magnet for generating a magnetic field between the coil and the coil disposed on the stator, and transferring heat generated from the magnet to the propeller. a rotor formed by
The heat transferred from the rotor to the propeller due to the rotation of the propeller is radiated, and the heat transferred from the stator to the substrate is radiated to the airflow generated by the rotation of the propeller ,
The rotor is
An outer rotor that houses the stator,
A propeller-side bearing of the propeller is engaged with the rotating shaft of the outer rotor, and the propeller and the outer rotor are connected by a screw that passes through the propeller-side bearing and engages a rotor case of the outer rotor. motor cooling structure. 前記熱伝導性部材は、
熱伝導率が０．６Ｗ／ｍＫ～３０Ｗ／ｍＫの範囲にある樹脂であることを特徴とする請求項１に記載のモータの冷却構造。 The thermally conductive member is
2. A cooling structure for a motor according to claim 1, characterized in that the resin has a thermal conductivity ranging from 0.6 W/mK to 30 W/mK. 前記ステータは、ビスによって基板に固定されるフランジを有することを特徴とする請求項１または２に記載のモータの冷却構造。 3. The motor cooling structure according to claim 1 , wherein the stator has a flange fixed to the substrate by screws . 無人飛行装置に搭載されることを特徴とする請求項１～３のいずれか１項に記載のモータの冷却構造。 4. The motor cooling structure according to claim 1, wherein the motor cooling structure is mounted on an unmanned aerial vehicle. 前記プロペラは、ポリカーボネート樹脂、ポリアミド樹脂、ポリブチレンテレフタート樹脂、ポリアセタール樹脂、または変性ポリフェニレンエーテル樹脂によって形成されることを特徴とする請求項１～４のいずれか１項に記載のモータの冷却構造。The motor cooling structure according to any one of claims 1 to 4, wherein the propeller is made of polycarbonate resin, polyamide resin, polybutylene terephthalate resin, polyacetal resin, or modified polyphenylene ether resin. .
JP2020559259A 2018-12-10 2019-12-10 Motor cooling structure Pending JPWO2020122077A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018230829 2018-12-10
JP2018230829 2018-12-10
PCT/JP2019/048346 WO2020122077A1 (en) 2018-12-10 2019-12-10 Motor cooling structure

Publications (2)

Publication Number Publication Date
JPWO2020122077A1 JPWO2020122077A1 (en) 2021-12-23
JPWO2020122077A5 true JPWO2020122077A5 (en) 2022-12-15

Family

ID=71077306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020559259A Pending JPWO2020122077A1 (en) 2018-12-10 2019-12-10 Motor cooling structure

Country Status (2)

Country Link
JP (1) JPWO2020122077A1 (en)
WO (1) WO2020122077A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020219278A1 (en) 2019-04-26 2020-10-29 Aergility Corporation Hybrid gyrodyne aircraft

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006158134A (en) * 2004-11-30 2006-06-15 Japan Servo Co Ltd Outer rotor motor and rotor used therefor
JP2009153261A (en) * 2007-12-19 2009-07-09 Denso Corp Electric blower
JP5993216B2 (en) * 2012-06-04 2016-09-14 株式会社日立産機システム Rotating electric machine
JP2017216818A (en) * 2016-05-31 2017-12-07 日立工機株式会社 Centrifugal machine drive motor and centrifugal machine using the same
JP2018113758A (en) * 2017-01-10 2018-07-19 ダイキン工業株式会社 Outer rotor motor
JP6988832B2 (en) * 2017-01-30 2022-01-05 日本電産株式会社 Unmanned flying object

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