JP2017108610A5 - - Google Patents

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JP2017108610A5
JP2017108610A5 JP2016208640A JP2016208640A JP2017108610A5 JP 2017108610 A5 JP2017108610 A5 JP 2017108610A5 JP 2016208640 A JP2016208640 A JP 2016208640A JP 2016208640 A JP2016208640 A JP 2016208640A JP 2017108610 A5 JP2017108610 A5 JP 2017108610A5
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Prior art keywords
yoke
drive device
output
magnetic flux
electrical machine
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JP2016208640A
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JP2017108610A (en
JP6673142B2 (en
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Priority to US15/363,226 priority Critical patent/US10371257B2/en
Publication of JP2017108610A publication Critical patent/JP2017108610A/en
Priority to CN202110278620.1A priority patent/CN113037020A/en
Priority to DE112017005380.3T priority patent/DE112017005380T5/en
Priority to PCT/JP2017/037913 priority patent/WO2018079418A1/en
Priority to CN201780065460.4A priority patent/CN109863672B/en
Publication of JP2017108610A5 publication Critical patent/JP2017108610A5/ja
Priority to US16/375,019 priority patent/US10563760B2/en
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Publication of JP6673142B2 publication Critical patent/JP6673142B2/en
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Claims (12)

ハウジング（１０）と、
前記ハウジング内に設けられている回転電機（３）と、
磁性材料により形成されており、前記回転電機から出力されるトルクにより回転する出力ギア（８１）と、
軸（Ａｘ２）が前記出力ギアの回転中心（Ｃ１）と一致するよう前記出力ギアと一体に設けられ、前記出力ギアとともに回転する出力部（８６）と、
前記出力ギアに設けられ、第１ヨーク（９１）、および、前記回転中心を中心とする円弧（Ａｒｃ１）に沿う弧状隙間（Ｓ１）を前記第１ヨークとの間に形成している第２ヨーク（９２）を有するヨーク（９０）と、
前記第１ヨークの一端と前記第２ヨークの一端との間に設けられる第１磁束発生部（９３）と、
前記第１ヨークの他端と前記第２ヨークの他端との間に設けられる第２磁束発生部（９４）と、
前記弧状隙間において前記ヨークに対し相対移動可能なよう前記ハウジングに設けられ、通過する磁束の密度に応じた信号を出力する磁束密度検出部（１４１）と、
前記出力ギアを板厚方向に貫くよう前記回転中心と前記ヨークとの間に形成されている第１穴部（８１１、８１２、８１３）と、
を備える回転駆動装置（１）。 A housing (10);
A rotating electrical machine (3) provided in the housing;
An output gear (81) made of a magnetic material and rotated by torque output from the rotating electrical machine;
An output unit (86) provided integrally with the output gear so that the shaft (Ax2) coincides with the rotation center (C1) of the output gear, and rotates together with the output gear;
A first yoke (91) provided in the output gear and a second yoke that forms an arcuate gap (S1) along the arc (Arc1) centered on the rotation center with the first yoke. A yoke (90) having (92);
A first magnetic flux generator (93) provided between one end of the first yoke and one end of the second yoke;
A second magnetic flux generator (94) provided between the other end of the first yoke and the other end of the second yoke;
A magnetic flux density detector (141) that is provided in the housing so as to be movable relative to the yoke in the arc-shaped gap and outputs a signal corresponding to the density of the magnetic flux passing therethrough;
A first hole (811, 812, 813) formed between the rotation center and the yoke so as to penetrate the output gear in the thickness direction;
A rotary drive device (1). 前記第１穴部は、前記回転中心と前記ヨークの中央とを結ぶ第１仮想直線（Ｌ１）上に形成されている請求項１に記載の回転駆動装置。   2. The rotation drive device according to claim 1, wherein the first hole is formed on a first imaginary straight line (L <b> 1) that connects the rotation center and the center of the yoke. 前記第１穴部は、前記回転中心と前記ヨークの一端または他端とを結ぶ第２仮想直線（Ｌ２１、Ｌ２２）上に形成されている請求項１または２に記載の回転駆動装置。   The rotary drive device according to claim 1 or 2, wherein the first hole is formed on a second imaginary straight line (L21, L22) connecting the rotation center and one end or the other end of the yoke. 前記第１穴部は、前記出力ギアの周方向に複数形成されている請求項１〜３のいずれか一項に記載の回転駆動装置。   The rotation drive device according to any one of claims 1 to 3, wherein a plurality of the first hole portions are formed in a circumferential direction of the output gear. 前記出力ギアを板厚方向に貫くよう前記弧状隙間に対応する位置に形成されている第２穴部（８２１、８２２、８２３）をさらに備える請求項１〜４のいずれか一項に記載の回転駆動装置。   The rotation according to any one of claims 1 to 4, further comprising a second hole portion (821, 822, 823) formed at a position corresponding to the arc-shaped gap so as to penetrate the output gear in the plate thickness direction. Drive device. 取付対象（１３０）に取り付けられ、駆動対象（１０１、１１０）を回転駆動可能な回転駆動装置（１）であって、
フロントハウジング（１１）と、
前記フロントハウジングとの間に空間（５）を形成し、前記フロントハウジングとは反対側の面が前記取付対象に対向または当接可能に設けられるリアハウジング（１２）と、
前記空間の前記リアハウジング側に設けられる回転電機（３）と、
前記空間の前記回転電機に対し前記フロントハウジング側に設けられ、前記回転電機のトルクを伝達可能なギア機構（５０）と、
前記回転電機の径方向外側に設けられ、前記駆動対象に接続可能な接続部（８６１）を前記取付対象側に有し、前記ギア機構により伝達されたトルクを前記駆動対象に出力する出力部（８６）と、
前記出力部に対し相対回転可能なよう前記フロントハウジング側に設けられ、通過する磁束の密度に応じた信号を出力する磁束密度検出部（１４１）と、
を備える回転駆動装置。 A rotational drive device (1) attached to an attachment target (130) and capable of rotationally driving the drive target (101, 110),
A front housing (11);
A rear housing (12) formed with a space (5) between the front housing and a surface opposite to the front housing so as to be able to face or abut against the mounting object;
A rotating electrical machine (3) provided on the rear housing side of the space;
A gear mechanism (50) provided on the front housing side with respect to the rotating electrical machine in the space and capable of transmitting torque of the rotating electrical machine;
An output unit (861) provided on the outer side in the radial direction of the rotating electrical machine, connectable to the drive target, on the attachment target side, and outputs torque transmitted by the gear mechanism to the drive target ( 86)
A magnetic flux density detector (141) that is provided on the front housing side so as to be rotatable relative to the output unit, and outputs a signal corresponding to the density of the magnetic flux passing therethrough;
A rotational drive device comprising: 前記接続部の軸は、前記回転電機の軸に対し径方向外側に位置している請求項６に記載の回転駆動装置。  The rotation drive device according to claim 6, wherein the shaft of the connecting portion is located radially outside the shaft of the rotating electrical machine. 前記回転電機の前記リアハウジングとは反対側において前記出力部と一体に回転可能に設けられ、前記ギア機構により伝達されたトルクにより回転する出力ギア（８１）をさらに備え、
前記磁束密度検出部は、前記出力ギアに対し前記回転電機とは反対側に設けられている請求項６または７に記載の回転駆動装置。 An output gear (81) provided on the side opposite to the rear housing of the rotating electrical machine so as to be rotatable integrally with the output unit, and rotated by torque transmitted by the gear mechanism;
The rotary drive device according to claim 6 or 7 , wherein the magnetic flux density detector is provided on the opposite side of the rotary electric machine with respect to the output gear. 前記磁束密度検出部は、前記出力部の軸線上に設けられている請求項６〜８のいずれか一項に記載の回転駆動装置。 The rotation drive device according to any one of claims 6 to 8, wherein the magnetic flux density detection unit is provided on an axis of the output unit. 前記出力部の軸線上において前記接続部とは反対側に設けられ、トルクが入力されると前記出力部を強制的に回転駆動可能な強制駆動シャフト（１６０）をさらに備える請求項６〜８のいずれか一項に記載の回転駆動装置。 The forcible drive shaft (160) provided on the opposite side to the connection portion on the axis of the output portion, and capable of forcibly rotating the output portion when torque is input . The rotational drive apparatus as described in any one . 前記回転電機の前記リアハウジングとは反対側において前記出力部と一体に回転可能に設けられ、前記ギア機構により伝達されたトルクにより回転する出力ギア（８１）と、
前記出力ギアに設けられ、第１ヨーク（９１）、および、前記出力ギアの回転中心（Ｃ１）を中心とする円弧（Ａｒｃ１）に沿う弧状隙間（Ｓ１）を前記第１ヨークとの間に形成している第２ヨーク（９２）を有するヨーク（９０）と、をさらに備え、
前記磁束密度検出部は、前記弧状隙間において前記ヨークに対し相対移動可能であり、
前記ヨークは、前記ギア機構と前記強制駆動シャフトとの間に設けられている請求項１０に記載の回転駆動装置。 An output gear (81) that is rotatably provided integrally with the output portion on the side opposite to the rear housing of the rotating electrical machine, and that rotates by torque transmitted by the gear mechanism;
An arcuate gap (S1) is provided between the first yoke (91) and an arc (Arc1) centered on the rotation center (C1) of the output gear. A yoke (90) having a second yoke (92),
The magnetic flux density detector is movable relative to the yoke in the arc-shaped gap,
The rotary drive device according to claim 10 , wherein the yoke is provided between the gear mechanism and the forced drive shaft. 請求項１〜１１のいずれか一項に記載の回転駆動装置と、
前記出力部に接続され、前記出力部から出力されるトルクにより自動変速機（１０８）のシフトレンジを切り替え可能なシフトレンジ切替装置（１１０）と、
を備えるシフトバイワイヤシステム（１００）。 The rotation drive device according to any one of claims 1 to 11 ,
A shift range switching device (110) connected to the output unit and capable of switching a shift range of the automatic transmission (108) by torque output from the output unit;
A shift-by-wire system (100) comprising:
JP2016208640A 2015-11-30 2016-10-25 Rotary drive device and shift-by-wire system using the same Active JP6673142B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US15/363,226 US10371257B2 (en) 2015-11-30 2016-11-29 Rotational drive apparatus and shift-by-wire system having the same
CN201780065460.4A CN109863672B (en) 2016-10-25 2017-10-20 Rotary actuator, rotary drive device, and shift-by-wire system using the same
DE112017005380.3T DE112017005380T5 (en) 2016-10-25 2017-10-20 Rotary actuator, rotary drive device and shift-by-wire system using the same
PCT/JP2017/037913 WO2018079418A1 (en) 2016-10-25 2017-10-20 Rotary actuator, rotation driving device, and shift-by-wire system using same
CN202110278620.1A CN113037020A (en) 2016-10-25 2017-10-20 Rotary driving device and shift-by-wire system using the same
US16/375,019 US10563760B2 (en) 2016-10-25 2019-04-04 Rotary actuator, rotation driving device, and shift-by-wire system using same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015234202 2015-11-30
JP2015234202 2015-11-30

Publications (3)

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JP2017108610A JP2017108610A (en) 2017-06-15
JP2017108610A5 true JP2017108610A5 (en) 2019-02-14
JP6673142B2 JP6673142B2 (en) 2020-03-25

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019030856A1 (en) * 2017-08-09 2019-02-14 三菱電機株式会社 In-vehicle actuator
JP7172825B2 (en) * 2019-04-16 2022-11-16 株式会社デンソー rotary actuator
JP2021052565A (en) * 2019-09-26 2021-04-01 日本電産トーソク株式会社 Electric actuator

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