WO2021151234A1 - 智能中置谐波减速电机 - Google Patents

智能中置谐波减速电机 Download PDF

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Publication number
WO2021151234A1
WO2021151234A1 PCT/CN2020/074082 CN2020074082W WO2021151234A1 WO 2021151234 A1 WO2021151234 A1 WO 2021151234A1 CN 2020074082 W CN2020074082 W CN 2020074082W WO 2021151234 A1 WO2021151234 A1 WO 2021151234A1
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WO
WIPO (PCT)
Prior art keywords
motor
harmonic
harmonic reducer
bevel gear
reducer
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PCT/CN2020/074082
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English (en)
French (fr)
Inventor
唐明喜
陈世伟
Original Assignee
深圳市喜德盛自行车股份有限公司
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Application filed by 深圳市喜德盛自行车股份有限公司 filed Critical 深圳市喜德盛自行车股份有限公司
Priority to CN202080000082.3A priority Critical patent/CN111315647A/zh
Priority to PCT/CN2020/074082 priority patent/WO2021151234A1/zh
Publication of WO2021151234A1 publication Critical patent/WO2021151234A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/45—Control or actuating devices therefor
    • B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
    • 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
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/24—Devices for sensing torque, or actuated thereby
    • 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
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

Definitions

  • the invention relates to the field of electric bicycles, in particular to an intelligent central harmonic deceleration motor.
  • the purpose of the present invention is to provide an intelligent central harmonic reduction motor in order to overcome the defects of the prior art.
  • an intelligent central harmonic reduction motor including a motor and a harmonic reducer connected to the motor, and also including a central shaft torque sensor, the central shaft torque sensor passing through the harmonic In the reducer, the axis line of the harmonic reducer is perpendicular to the central axis of the central shaft torque sensor, and the harmonic reducer transmits power to the torque sleeve and the chain ring of the central shaft torque sensor through the first bevel gear.
  • one end of the torsion sleeve is provided with a chain ring, and the other end of the torsion sleeve is connected with the central shaft through a first unidirectional device; a second unidirectional device is sleeved on the torsion sleeve, and the second unidirectional device is provided with a Two bevel gears, the second bevel gear is connected with the first bevel gear of the harmonic reducer.
  • the reduction ratio of the first bevel gear and the second bevel gear is between 1.2 and 1.8.
  • the first bevel gear is arranged in the housing of the harmonic reducer by two bearings, a gasket is arranged between the two bearings, and the length of the gasket is greater than 5 mm.
  • the first bevel gear of the harmonic reducer and the head end of the motor rotor are sequentially connected by a flexspline, a flexible bearing, an inner gear steel ring and a wave generator.
  • the housing of the motor and the housing of the harmonic reducer are fixedly connected, a sub-support is set in the motor, a set sub-support is provided on the stator support, the rotor of the motor passes through the stator support, and a controller is provided at the end of the motor.
  • a torsion bracket is provided at the mid-section of the torsion sleeve
  • a torque plate is provided between the head end of the torsion bracket and the torsion sleeve, the torque plate is connected to the controller
  • a power supply is provided in the housing of the harmonic reducer opposite to the torque plate.
  • the power supply board is connected to the controller for wireless power supply and wireless transmission with the torque board.
  • a magnet is provided on the central axis, and a Hall is opposite to the magnet, and the Hall is fixed on the inner side of the harmonic reducer housing and connected to the controller.
  • the present invention uses a harmonic reducer to decelerate, the motor has a large reduction ratio, and the motor has a small volume, and has good integration with the entire vehicle.
  • the matching structure of the whole machine of the present invention has high stability and low power consumption.
  • Fig. 1 is a schematic cross-sectional structure diagram of a preferred embodiment of the present invention.
  • an intelligent central harmonic reduction motor includes a motor 1 and a harmonic reducer 2 connected to the motor 1, and also includes a bottom shaft torque sensor 3, which is installed in the harmonic deceleration In the device 2, the axis of the harmonic reducer 2 is perpendicular to the central axis 31 of the central axis torque sensor 3.
  • the harmonic reducer 2 transmits power to the torque sleeve 32 and the central axis torque sensor 3 through the first bevel gear 21 Crankset 4.
  • one end of the torsion sleeve 32 is provided with a chain ring 4, and the other end of the torsion sleeve 32 is connected with the central shaft 31 through a first unidirectional device 33; the torsion sleeve 32 is sleeved with a second unidirectional device 34, and the second unidirectional device 34 is sleeved on the torque sleeve 32.
  • the device 34 is provided with a second bevel gear 35, the second bevel gear 35 is connected to the first bevel gear 21 of the harmonic reducer 2, the first one-way device 33 is a jaw one-way device, and the second one-way device 34 is a wedge clutch.
  • the reduction ratio of the first bevel gear 21 and the second bevel gear 35 is between 1.2 and 1.8.
  • the first bevel gear 21 is installed in the housing 23 of the harmonic reducer 2 by two bearings 22, a gasket 24 is arranged between the two bearings 22, and the length of the gasket 24 is greater than 5 mm.
  • the first bevel gear 21 of the harmonic reducer 2 and the head end of the motor rotor 11 are sequentially connected by a flexible wheel 25, a flexible bearing 26, an inner gear steel ring 27 and a wave generator 28.
  • the housing 12 of the motor 1 and the housing 23 of the harmonic reducer 2 are fixedly connected, a sub-support 13 is set in the motor 1, a set-sub 14 is set on the stator support 13, and the motor rotor 11 passes through the stator support 13, and the motor Controller 5 is set at the end of 1.
  • a torsion bracket 36 is arranged at the middle position of the torsion sleeve 32, a torque plate 37 is arranged between the head end of the torsion bracket 36 and the torsion sleeve 32, the torque plate 37 is connected to the controller 5, and a harmonic reducer opposite to the torque plate 37
  • a power supply board 38 is provided in the housing 23, and the power supply board 38 is connected to the controller 5 for wireless power supply and wireless transmission with the torque board 37.
  • a magnet 39 is provided on the central shaft 31, and a Hall 301 is opposite to the magnet 39.
  • the Hall 301 is fixed inside the harmonic reducer housing 23 and connected to the controller 5 for checking whether the central shaft 31 is rotating or stationary. .
  • the second one-way device 34 When riding, the second one-way device 34 is disengaged and pedaling force is applied to the pedals.
  • the pedals drive the central shaft 31 to rotate.
  • the central shaft 31 drives the torsion sleeve 32 through the first one-way device 33 and then drives the chainring 4 to drive the chain.
  • the torque sleeve 32, the torque plate 37, and the power supply plate 38 transmit the detected torque data of the drive chain ring 4 to the controller 5.
  • the controller 5 controls the motor 1 to work according to the assist conditions, and the second unidirectional device 34 engages.
  • the motor 1 drives the second bevel gear 35 through the first bevel gear 21 of the harmonic reducer 2, and the second bevel gear 35 drives the torsion sleeve 32 to rotate to complete the assist.
  • the center shaft 31 stops rotating, the first unidirectional device 33 is disengaged, and the motor 1 stops rotating.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

本发明涉及一种智能中置谐波减速电机，包括电机和与电机连接的谐波减速器，还包括中轴扭力传感器，中轴扭力传感器穿设于谐波减速器内，所述谐波减速器轴心线与中轴扭力传感器的中轴相垂直，谐波减速器通过第一伞形齿轮输送动力至中轴扭力传感器的扭力套和牙盘。本发明利用谐波减速器减速，电机减速比大，电机的体积较小，与整车的一体性良好；本发明结构简单精巧，精准控制电机的启动和关闭，助力效果明显；整机配合结构的稳定性高，功耗小。

Description

智能中置谐波减速电机 技术领域
本发明涉及电动自行车领域，尤其涉及一种智能中置谐波减速电机。
 背景技术
随着人们环保意识的的增强，具有高效节能的电动自行车越来越受到人们的青睐，人们对现有自行车的电动助力体验要求越来越高，助力的启动和关闭尤为关键，现有的电动助力电机减速比小，电机的体积较大，与整车的一体性较差。
 技术问题
本发明的目的在于为克服现有技术的缺陷，而提供一种智能中置谐波减速电机。
 技术解决方案
为实现上述目的，本发明采用以下技术方案：一种智能中置谐波减速电机，包括电机和与电机连接的谐波减速器，还包括中轴扭力传感器，中轴扭力传感器穿设于谐波减速器内，所述谐波减速器轴心线与中轴扭力传感器的中轴相垂直，谐波减速器通过第一伞形齿轮输送动力至中轴扭力传感器的扭力套和牙盘。
优选地，所述扭力套一端设有牙盘，扭力套的另一端和中轴通过第一单向器连接；扭力套上套设有第二单向器，所述第二单向器设第二伞形齿轮，所述第二伞形齿轮和谐波减速器的第一伞形齿轮连接。
优选地，第一伞形齿轮和第二伞形齿的减速比为1.2至1.8之间。
优选地，所述第一伞形齿轮由两个轴承安设于谐波减速器的外壳内，两个轴承之间设有垫片，垫片的长度大于5mm。
优选地，谐波减速器的第一伞形齿轮和电机转子的头端之间依次通过柔轮、柔性轴承、内齿钢圈和波发生器连接。
优选地，所述电机的外壳和谐波减速器的外壳固定连接，电机内设定子支架，定子支架上设定子，电机转子穿设于定子支架上，电机的尾端设控制器。
优选地，所述扭力套的中段位置设扭力支架，扭力支架的头端和扭力套之间设力矩板，所述力矩板和控制器连接，与力矩板相对的谐波减速器外壳内设供电板，所述供电板和控制器连接，用于和力矩板之间无线供电和无线传输。
优选地，中轴上设磁铁，与磁铁相对设霍尔，所述霍尔固定于谐波减速器外壳内侧，并和控制器连接。
 有益效果
本发明与现有技术相比的有益效果是：
1)  本发明利用谐波减速器减速，电机减速比大，电机的体积较小，与整车的一体性良好。
2)  本发明结构简单精巧，精准控制电机的启动和关闭，助力效果明显。
3)  本发明整机配合结构的稳定性高，功耗小。
下面结合附图和具体实施例对本发明作进一步描述。
 附图说明
图1为本发明优选实施例的剖视结构示意图。
 本发明的实施方式
为了更充分理解本发明的技术内容，下面结合具体实施例对本发明的技术方案进一步介绍和说明。
如图1所示，一种智能中置谐波减速电机，包括电机1和与电机1连接的谐波减速器2,还包括中轴扭力传感器3，中轴扭力传感器3穿设于谐波减速器2内，谐波减速器2轴心线与中轴扭力传感器3的中轴31相垂直，谐波减速器2通过第一伞形齿轮21输送动力至中轴扭力传感器3的扭力套32和牙盘4。
具体的，扭力套32一端设有牙盘4，扭力套32的另一端和中轴31通过第一单向器33连接；扭力套32上套设有第二单向器34，第二单向器34设第二伞形齿轮35，第二伞形齿轮35和谐波减速器2的第一伞形齿轮21连接，第一单向器33为牙嵌式单向器，第二单向器34为楔形离合器。
具体的，第一伞形齿轮21和第二伞形齿35的减速比为1.2至1.8之间。
具体的，第一伞形齿轮21由两个轴承22安设于谐波减速器2的外壳23内，两个轴承22之间设有垫片24，垫片24的长度大于5mm。
具体的，谐波减速器2的第一伞形齿轮21和电机转子11的头端之间依次通过柔轮25、柔性轴承26、内齿钢圈27和波发生器28连接。
具体的，电机1的外壳12和谐波减速器2的外壳23固定连接，电机1内设定子支架13，定子支架13上设定子14，电机转子11穿设于定子支架13上，电机1的尾端设控制器5。
具体的，扭力套32的中段位置设扭力支架36，扭力支架36的头端和扭力套32之间设力矩板37，力矩板37和控制器5连接，与力矩板37相对的谐波减速器外壳23内设供电板38，供电板38和控制器5连接，用于和力矩板37之间无线供电和无线传输。
具体的，中轴31上设磁铁39，与磁铁39相对设霍尔301，霍尔301固定于谐波减速器外壳23内侧，并和控制器5连接，用于检查中轴31是转动还是静止。
本发明的工作原理如下：
在骑行时，第二单向器34脱开，施加踏力于脚踏，脚踏驱动中轴31旋转，中轴31通过第一单向器33带动扭力套32再带动牙盘4驱动链条。在助力时，扭力套32、力矩板37、供电板38将检测的驱动牙盘4的扭力数据传输至控制器5，控制器5依据助力条件控制电机1工作，第二单向器34啮合，电机1通过谐波减速器2的第一伞形齿轮21驱动第二伞形齿轮35，第二伞形齿轮35驱动扭力套32旋转，完成助力。中轴31停止转动时，第一单向器33脱开，电机1停止转动。
以上所述仅以实施例来进一步说明本发明的技术内容，以便于读者更容易理解，但不代表本发明的实施方式仅限于此，其中各部件的局部结构、连接方式可以根据实际情况有所调整，任何依本发明所做的技术延伸或再创造，均受本发明的保护。

Claims (8)

  1. 一种智能中置谐波减速电机，包括电机和与电机连接的谐波减速器，其特征在于，还包括中轴扭力传感器，中轴扭力传感器穿设于谐波减速器内，所述谐波减速器轴心线与中轴扭力传感器的中轴相垂直，谐波减速器通过第一伞形齿轮输送动力至中轴扭力传感器的扭力套和牙盘。
  2. 根据权利要求1所述智能中置谐波减速电机，其特征在于，所述扭力套一端设有牙盘，扭力套的另一端和中轴通过第一单向器连接；扭力套上套设有第二单向器，所述第二单向器设第二伞形齿轮，所述第二伞形齿轮和谐波减速器的第一伞形齿轮连接。
  3. 根据权利要求2所述智能中置谐波减速电机，其特征在于，第一伞形齿轮和第二伞形齿的减速比为1.2至1.8之间。
  4. 根据权利要求2所述智能中置谐波减速电机，其特征在于，所述第一伞形齿轮由两个轴承安设于谐波减速器的外壳内，两个轴承之间设有垫片，垫片的长度大于5mm。
  5. 根据权利要求2所述智能中置谐波减速电机，其特征在于，谐波减速器的第一伞形齿轮和电机转子的头端之间依次通过柔轮、柔性轴承、内齿钢圈和波发生器连接。
  6. 根据权利要求2至5任一所述智能中置谐波减速电机，其特征在于，所述电机的外壳和谐波减速器的外壳固定连接，电机内设定子支架，定子支架上设定子，电机转子穿设于定子支架上，电机的尾端设控制器。
  7. 根据权利要求6所述智能中置谐波减速电机，其特征在于，所述扭力套的中段位置设扭力支架，扭力支架的头端和扭力套之间设力矩板，所述力矩板和控制器连接，与力矩板相对的谐波减速器外壳内设供电板，所述供电板和控制器连接，用于和力矩板之间无线供电和无线传输。
  8. 根据权利要求6所述智能中置谐波减速电机，其特征在于，中轴上设磁铁，与磁铁相对设霍尔，所述霍尔固定于谐波减速器外壳内侧，并和控制器连接。
PCT/CN2020/074082 2020-01-30 2020-01-30 智能中置谐波减速电机 WO2021151234A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021213540A1 (de) 2021-11-30 2023-06-01 Robert Bosch Gesellschaft mit beschränkter Haftung Antriebseinheit eines Elektrofahrrads

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112202279A (zh) * 2020-10-19 2021-01-08 朱幕松 电动车谐波减速中置电机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2498781Y (zh) * 2001-04-29 2002-07-03 桂林电器科学研究所 电动助力车用中置式电动驱动装置
JP2003299276A (ja) * 2002-04-04 2003-10-17 Washin Ouchi 永久磁石形回転子を備えた同期機
CN202449162U (zh) * 2011-11-30 2012-09-26 张源琪 电动自行车谐波减速驱动器
CN106313097A (zh) * 2016-11-09 2017-01-11 常州机电职业技术学院 一种单元组合式机器人手腕
CN109866866A (zh) * 2019-04-11 2019-06-11 舍弗勒技术股份两合公司 电动助力车及传动装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000233344A (ja) * 1999-02-15 2000-08-29 Komatsu Ltd 位置割出し可能なアンギュラヘッド
CN2572137Y (zh) * 2002-06-12 2003-09-10 西北工业大学 谐波传动减速器
CN106507758B (zh) * 2009-04-03 2013-08-28 中国航天科技集团公司第一研究院第十八研究所 一种小型化、快响应、自带锁的电动舵机
CN201621233U (zh) * 2010-01-08 2010-11-03 北京中技克美谐波传动有限责任公司 正交式谐波齿轮串联减速器
CN103661762B (zh) * 2013-11-18 2017-10-10 新安乃达驱动技术(上海)有限公司 电动助力自行车及其中置电机驱动系统
CN103644256B (zh) * 2013-11-21 2016-03-02 上海宇航系统工程研究所 一种油脂润滑天线有源展开装置
CN103742599A (zh) * 2014-01-17 2014-04-23 南京信息工程大学 一种角向减速装置
CN106335592A (zh) * 2016-09-07 2017-01-18 新安乃达驱动技术（上海）股份有限公司 电动自行车及其中置驱动系统和驱动方法
CN211266673U (zh) * 2020-01-30 2020-08-14 深圳市喜德盛自行车股份有限公司 智能中置谐波减速电机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2498781Y (zh) * 2001-04-29 2002-07-03 桂林电器科学研究所 电动助力车用中置式电动驱动装置
JP2003299276A (ja) * 2002-04-04 2003-10-17 Washin Ouchi 永久磁石形回転子を備えた同期機
CN202449162U (zh) * 2011-11-30 2012-09-26 张源琪 电动自行车谐波减速驱动器
CN106313097A (zh) * 2016-11-09 2017-01-11 常州机电职业技术学院 一种单元组合式机器人手腕
CN109866866A (zh) * 2019-04-11 2019-06-11 舍弗勒技术股份两合公司 电动助力车及传动装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021213540A1 (de) 2021-11-30 2023-06-01 Robert Bosch Gesellschaft mit beschränkter Haftung Antriebseinheit eines Elektrofahrrads

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