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    • 1. 发明专利
    • 磁歪式トルクセンサ及び電動パワーステアリング装置
    • 磁感应扭矩传感器和电动驱动力转向装置
    • JP2014219217A
    • 2014-11-20
    • JP2013096520
    • 2013-05-01
    • 本田技研工業株式会社Honda Motor Co Ltd
    • YONEDA ATSUHIKOSHIMIZU YASUOFUJITA HIROKAZU
    • G01L3/10B62D5/04
    • G01L3/102B62D5/04G01L3/105
    • 【課題】操舵軸を通じて磁歪式トルクセンサに過大な捩りトルクが加わった場合であっても、センサ出力である操舵トルク信号に発生するヒステリシスを抑制する磁歪式トルクセンサ及び電動パワーステアリング装置を提供する。【解決手段】操舵軸(センサ軸17)に設けられた磁歪膜mfを囲繞するように巻回された検出コイル41〜44の他に、磁歪膜mfを囲繞するように巻回した別の多重巻コイルであるバイアスコイル40に直流成分電流を通電することによって磁歪膜mfに十分なバイアス磁界を印加し、ヒステリシスを抑制する。【選択図】図2
    • 要解决的问题:提供一种能够抑制作为传感器输出的转向转矩信号中产生的滞后的磁致伸缩转矩传感器,即使当通过转向轴对磁致伸缩转矩传感器施加过大的扭矩时,也可以提供电气 驱动动力转向装置。解决方案:使直流分量电流不仅流入卷绕的检测线圈41-44,以包围设置在转向轴(传感器轴17)上的磁致伸缩膜mf,而且还包括偏置线圈40,偏置线圈40 是缠绕以包围磁致伸缩膜mf的另一个多路绕组线圈,从而向磁致伸缩膜mf施加足够的偏置磁场,并抑制滞后。
    • 2. 发明专利
    • 車両用操舵装置
    • 车辆转向装置
    • JP2014205474A
    • 2014-10-30
    • JP2013085581
    • 2013-04-16
    • 本田技研工業株式会社Honda Motor Co Ltd
    • MIYOSHI TAKASHIOBA YOSHIHIROSHIMIZU YASUOYONEDA ATSUHIKO
    • B62D6/00B62D5/04F16D41/06F16D41/08
    • 【課題】連結装置4を切離又は結合する動作に伴う騒音や振動を抑制すると共に、連結装置4の長寿命化を図る。【解決手段】第1〜第3の制御装置353,363,393が有する制御部は、連結装置4が切離状態にある場合のステアバイワイヤ制御モードを、操舵機能モードとして少なくとも有する。制御部は、操舵機能モードがステアバイワイヤ制御モードに設定されている際において、エンジンが運転者の意思により停止状態にされた場合に、連結装置4を結合状態に切り替えさせる動作制御を行う一方、エンジンが運転者の意思によらずに停止状態にされた場合に、連結装置4を切離状態に維持させる動作制御を行う。【選択図】図1
    • 要解决的问题:抑制与分离或联接耦合装置4的作用相关联的噪声和振动,并且瞄准更长的寿命。解决方案:第一至第三控制装置353,363,393包括具有作为 转向功能模式,至少一个联动装置4处于分离状态的线控转向控制模式。 在通过驾驶员的意图来停止发动机的情况下,通过将线控转向控制模式设定为转向功能模式,控制部进行操作控制,将联动装置4变更为联接状态, 而在发动机停止的状态下,无论驾驶者的意图如何,控制部进行操作控制,以使联接装置4保持分离状态。
    • 3. 发明专利
    • Rack and pinion type steering device
    • 齿条和齿型转向装置
    • JP2013129217A
    • 2013-07-04
    • JP2011278065
    • 2011-12-20
    • Honda Motor Co Ltd本田技研工業株式会社
    • SUGAMATA KAZUESHIMIZU YASUOYONEDA ATSUHIKOYAMAWAKI SHIGERUSHIRAISHI TAKETO
    • B62D3/12B62D5/04F16H19/04
    • PROBLEM TO BE SOLVED: To suppress the rotation of a rack shaft regardless of the magnitude of load acting on a rack.SOLUTION: A rack and pinion type steering device includes a rack guide 71 and a rack guide pad 74. The back surface 26a of the rack shaft 26 slides on a contact surface 74a of the rack guide pad. The contact surface comes in contact with the back surface at two radial-direction contact points in a section perpendicular to the rack shaft. When the rack is driven by the pinion, a rotational torque generated in a direction in which the rack shaft rotates around the shaft center Pr is set within a range where the rotational torque does not exceed a restrain torque in a direction in which the rotation torque is canceled. A push out surface of the rack guide has a relief groove formed in the shaft longitudinal direction of the rack shaft so that a part of the back surface of the rack guide does not come in contact with the push out surface. The relief groove is set in the whole range between two contact points or in a range where the rotational torque does not exceed the restrain torque.
    • 要解决的问题:无论作用在机架上的负载大小如何,都能抑制齿条轴的旋转。解决方案:齿条和小齿轮型转向装置包括齿条引导件71和齿条引导垫74.后表面26a 齿条轴26在齿条引导垫的接触表面74a上滑动。 接触表面在与齿条轴垂直的部分中的两个径向接触点处与后表面接触。 当齿条由小齿轮驱动时,将齿条轴围绕轴心Pr旋转的方向产生的旋转扭矩设定在旋转扭矩不超过转矩的方向的限制扭矩的范围内 被取消。 齿条引导件的推出表面具有形成在齿条轴的轴纵向上的释放槽,使得齿条引导件的后表面的一部分不与推出表面接触。 释放槽设置在两个接触点之间的整个范围内或者在旋转扭矩不超过约束扭矩的范围内。
    • 4. 发明专利
    • Steering device
    • 转向装置
    • JP2013121750A
    • 2013-06-20
    • JP2011270388
    • 2011-12-09
    • Honda Motor Co Ltd本田技研工業株式会社
    • ARIMURA YUTAKASHIMIZU YASUOYONEDA ATSUHIKO
    • B62D5/04
    • PROBLEM TO BE SOLVED: To provide a steering device having a steering mechanism such as a rack and pinion function to be reduced in weight.SOLUTION: The vehicle steering device includes a housing 51 storing a steering mechanism for steering a steering wheel and having an opening 51k, a cap part 54 fixed to the housing 51 on the opening 51k side, an elastic member 51o disposed between the housing 51 and the cap part 54, and fixing members 54b and 54b for fixing the housing 51 and the cap part 54 in a state where the elastic member 51o is compressed to bond the housing 51 and the cap part 54. In the installed state of the steering function, a slope K inclined to a horizontal surface is formed on the upper side of the cap part 54. The cap part 54 has ribs 54r1 and 54r2 on the roughly whole circumference of the outer circumference of the cap part 54, and at least a part of the lower rib 54r2 which is a part corresponding to the lower half of the slope K of the ribs 54r1 and 54r2 faces the lower side of the cap body 54.
    • 要解决的问题:提供一种具有诸如齿条和小齿轮功能的转向机构的转向装置,以减轻重量。 解决方案:车辆转向装置包括:壳体51,其容纳用于转向方向盘的转向机构,具有开口51k;开口51k侧固定在壳体51上的盖部54;弹性构件51o, 壳体51和盖部54以及用于将壳体51和盖部54固定在弹性构件51o被压缩以将壳体51和盖部54结合的状态的固定构件54b和54b。在安装状态 在盖部54的上侧形成有转向功能,与水平面倾斜的斜面K.帽部54在帽部54的外周的大致整个圆周上具有肋54r1,54r2, 作为与肋54r1和54r2的斜坡K的下半部分对应的部分的下肋部54r2的至少一部分面向盖体54的下侧。(C)2013,JPO&INPIT
    • 5. 发明专利
    • Magnetostrictive torque sensor and method for manufacturing the same
    • 磁感应扭矩传感器及其制造方法
    • JP2010249733A
    • 2010-11-04
    • JP2009101041
    • 2009-04-17
    • Honda Motor Co Ltd本田技研工業株式会社
    • YONEDA ATSUHIKOSHIMIZU YASUO
    • G01L3/10
    • G01L3/102G01L3/103H01F10/14H01F41/24H01L41/125Y10T29/49007Y10T29/4902
    • PROBLEM TO BE SOLVED: To provide a magnetostrictive torque sensor having a simple constitution, hardly generating dispersion of a characteristic, even if the length in the axial direction of a magnetostrictive film is shortened, by reducing effectively a dispersion generation source related to a position relation between the magnetostrictive film and a coil, capable of miniaturizing and simplifying a device. SOLUTION: The magnetostrictive torque sensor 50 includes a single magnetostrictive film 80 provided on the surface of a steering shaft 22, and a first coil 82a and a second coil 82b for detecting changes in the magnetic characteristics of the magnetostrictive film 80. The single magnetostrictive film 80 includes a first anisotropic region 92a and a second anisotropic region 92b, each having magnetic anisotropy inverse to each other. The first coil 82a is disposed in a facing relation to the first anisotropic region 92a, whereas the second coil 82b is disposed in a facing relation to the second anisotropic region 92b. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题为了提供一种具有简单结构的磁致伸缩扭矩传感器,即使通过减小磁致伸缩膜的轴向长度,几乎不产生特性的分散,通过有效地减少与 磁致伸缩膜和线圈之间的位置关系,能够使装置小型化和简化。 解决方案:磁致伸缩扭矩传感器50包括设置在转向轴22的表面上的单个磁致伸缩膜80和用于检测磁致伸缩膜80的磁特性变化的第一线圈82a和第二线圈82b。 单个磁致伸缩膜80包括各自具有彼此相反的磁各向异性的第一各向异性区域92a和第二各向异性区域92b。 第一线圈82a以与第一各向异性区域92a相对的方式设置,而第二线圈82b以与第二各向异性区域92b相对的方式设置。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Controller for brushless motor and electric steering device
    • 无刷电机和电动转向装置控制器
    • JP2009131012A
    • 2009-06-11
    • JP2007302084
    • 2007-11-21
    • Honda Motor Co Ltd本田技研工業株式会社
    • YONEDA ATSUHIKOSHIMIZU YASUOMIYOSHI TAKASHIONO TOMOHITO
    • H02P6/18B62D5/04H02P6/16H02P21/00H02P27/04
    • PROBLEM TO BE SOLVED: To quickly and accurately estimate the angle of rotation of a brushless motor under a stop state while ensuring a desired silence, and to prevent the feeling of a sense of incompatibility during steering by a driver. SOLUTION: A rotational-angle estimating instrument 89 acquires two values θ1 and θ2 of the angle of rotation θm by map retrieval to a specified first map on the basis of the ratio (a correlation voltage ratio) Vun/Vvn of a U-interphase voltage Vun to a V-interphase voltage Vvn at a time when specified rectangular waves are applied between U-phase-V-phase terminals for a motor 31 in estimating the angle of rotation in the stop state of the motor 31. The rotational-angle estimating instrument 89 selects either one of the two values θ1 and θ2 of the angle of rotation θm retrieved by the first map through map retrieval to a specified second map on the basis of the U-interphase voltage Vun or the V-interphase voltage Vvn at the time when the specified rectangular waves are applied between the U-phase-V-phase terminals for the motor 31. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了在确保期望的静音的同时快速且准确地估计无刷电动机的旋转角度,并且防止驾驶员的转向期间的不兼容感。 解决方案:旋转角度估计装置89基于U的比(相关电压比)Vun / Vvn,通过地图检索获取旋转角度θm的两个值θ1和θ2 在估计电动机31的停止状态下的旋转角度时,在电动机31的U相-V相端子之间施加规定的矩形波的时刻的相间电压Vun与V相间电压Vvn。旋转 角度估计装置89基于U相间电压Vun或V相间电压,通过地图检索,将通过第一地图检索的旋转角度θm的两个值θ1和θ2中的任一个选择为规定的第二地图 当指定的矩形波被施加在用于电动机31的U相-V相端子之间时,Vvn。版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Electric power steering device
    • 电动转向装置
    • JP2008114726A
    • 2008-05-22
    • JP2006300020
    • 2006-11-06
    • Honda Motor Co Ltd本田技研工業株式会社
    • SHIMIZU YASUOWATANABE KATSUJIYONEDA ATSUHIKO
    • B62D5/04B62D6/00B62D101/00B62D119/00
    • PROBLEM TO BE SOLVED: To provide an electric power steering device capable of improving work efficiency and loading property when assembling a gear box part in a vehicle body and achieving satisfactory feeling of operation of a steering wheel.
      SOLUTION: An EPS of this electric power steering device allows a driver to steer a vehicle by driving force of motors corresponding to inputs from a steering wheel 3. The steering wheel 3, a column part 4, an intermediate transmission part 72, and the gear box part 5 are sequentially connected in this order. The column part 4 and the gear box part 5 are provided with a first electric motor 11 and a second electric motor 21 for generating driving force of the motors, a first reduction mechanism 13 and a second reduction mechanism 23 for reducing rotational speed of the first and second electric motors 11, 21 and converting into boost force or thrust, and a first torque sensor 12 and a second torque sensor 22 for detecting torque applied to a steering shaft 7.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:提供一种能够在车体中组装齿轮箱部件时提高工作效率和加载性能并且实现令人满意的方向盘操作感的电动助力转向装置。 解决方案:该电动助力转向装置的EPS允许驾驶员通过与来自方向盘3的输入相对应的电动机的驱动力来引导车辆。方向盘3,柱部分4,中间传动部分72, 齿轮箱部5依次依次连接。 柱部4和齿轮箱部5设置有用于产生电动机的驱动力的第一电动机11和第二电动机21,第一减速机构13和第二减速机构23,用于降低第一 和第二电动机11,21,并转换为升力或推力;以及第一转矩传感器12和第二转矩传感器22,用于检测施加到转向轴7的转矩。(C)2008,JPO&INPIT
    • 8. 发明专利
    • Inductance detection circuit, torque sensor unit, and electric power steering system
    • 电感检测电路,转矩传感器单元和电力转向系统
    • JP2007278758A
    • 2007-10-25
    • JP2006103238
    • 2006-04-04
    • Honda Motor Co Ltd本田技研工業株式会社
    • ARIMURA YUTAKAYONEDA ATSUHIKO
    • G01L3/10B62D5/04
    • PROBLEM TO BE SOLVED: To obtain an amount of output change equal to an amount of change of a reference voltage (an offset voltage).
      SOLUTION: The inductance detection circuit comprises a pair of detection coils to which an exciting voltage is applied and which are connected in series at a connecting point, differential amplifier circuits 77, 78 for amplifying the differential voltage between a measured potential at the connecting point and a reference potential, and offset voltage generating circuits 71, 72 for generating the offset voltages of the output voltages of the differential amplifier circuits 77, 78, in which the offset voltages are changed. The offset voltages are controlled by changing the duty ratio between rectangular-wave signals Vduty1 and Vduty2 generated by a CPU 60.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:获得等于参考电压(偏移电压)的变化量的输出变化量。 解决方案:电感检测电路包括一对检测线圈,在该对线圈上施加一个激励电压并在连接点串联连接的差分放大器电路77,78,用于放大在 以及用于产生其中偏移电压改变的差分放大器电路77,78的输出电压的偏移电压的偏移电压产生电路71,72。 通过改变由CPU 60产生的矩形波信号Vduty1和Vduty2之间的占空比来控制偏移电压。版权所有:(C)2008,JPO&INPIT
    • 9. 发明专利
    • Method for manufacturing motor
    • 制造电机的方法
    • JP2007082342A
    • 2007-03-29
    • JP2005267824
    • 2005-09-15
    • Honda Motor Co Ltd本田技研工業株式会社
    • YONEDA ATSUHIKOSHIMIZU YASUOMIYOSHI TAKASHI
    • H02K15/02B62D5/04
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a motor, wherein inclination of the outer ring and inner ring of a bearing that occurs during assembling is suppressed so that proper feeling of steering can be ensured. SOLUTION: The manufacturing method for motors includes the steps of: assembling a stator 24 to a second motor housing 20b; assembling first and second bearings 21, 22 to a rotating shaft 13; applying heat to the second motor housing 20b, to expand a bearing installation portion 20e in the radial direction; placing the expanded bearing installation portion 20e and the second bearing 22 with a predetermined gap provided in the radial direction; and cooling the second motor housing 20b, to contract the bearing installation portion 20e and thereby fixing the second bearing 22 in the bearing installing portion 20e. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种电动机的制造方法,其中抑制组装期间发生的轴承的外圈和内圈的倾斜,从而可以确保适当的转向感。 电动机的制造方法包括以下步骤:将定子24组装到第二电动机壳体20b上; 将第一和第二轴承21,22组装到旋转轴13上; 向第二马达壳体20b施加热量,以使轴承安装部分20e沿径向方向膨胀; 将膨胀轴承安装部分20e和第二轴承22放置在径向设置的预定间隙; 并冷却第二马达壳体20b,使轴承安装部20e收缩,从而将第二轴承22固定在轴承安装部20e中。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Current detection device and electric steering device
    • 电流检测装置和电动转向装置
    • JP2006292383A
    • 2006-10-26
    • JP2005109192
    • 2005-04-05
    • Honda Motor Co Ltd本田技研工業株式会社
    • MIYOSHI TAKASHISHIMIZU YASUOYONEDA ATSUHIKO
    • G01R19/00B62D5/04H02P6/08
    • PROBLEM TO BE SOLVED: To heighten accuracy of a resolution in a fine current domain, or the like. SOLUTION: An ECU 12 controls a motor 15 by using a motor current of the motor 15 flowing in a current detection element of a current detection means 16. The current detection means 16 is equipped with a logarithmic amplifying circuit for enlarging an amplification factor on a periphery of the spot where the absolute value of a voltage signal is zero based on the motor current, compared with the amplification factor on other spots. The logarithmic amplifier circuit amplifies so that the relation between the motor current and the voltage signal becomes an approximately logarithmic relation. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提高精细电流域中的分辨率的精度等。 解决方案:ECU 12通过使用在电流检测装置16的电流检测元件中流动的电动机15的电动机电流来控制电动机15.电流检测装置16配备有对数放大电路,用于放大放大 与其他点上的放大系数相比,基于电机电流的电压信号的绝对值为零的点的外围的因子。 对数放大器电路放大,使得电动机电流和电压信号之间的关系变为近似对数关系。 版权所有(C)2007,JPO&INPIT