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1. 发明专利

JP2013181829A Torque detection device 审中-公开
标题翻译：扭矩检测装置
公开(公告)号：JP2013181829A
公开(公告)日：2013-09-12
申请号：JP2012045796
申请日：2012-03-01
申请人： Hitachi Cable Ltd , 日立電線株式会社 , Jtekt Corp , 株式会社ジェイテクト
发明人： IKEDA YUKIO , SANADA TAKAHIRO
IPC分类号： G01L3/10 , B62D5/04
摘要： PROBLEM TO BE SOLVED: To provide a torque detection device easily manufactured with detection accuracy equal to or higher than that when two magnetic detection elements are used in a magnetic field detection part.SOLUTION: A torque detection device includes a torque magnetic field generation part 4 for generating a torque magnetic field, a coil 6a for generating a pulse magnetic field, and a magnetic field detection part having one magnetic field detection element 6 for detecting a superimposed magnetic field superimposing the torque magnetic field and the pulse magnetic field. A first calculation part 21 calculates a difference between the maximum value and the minimum value of superimposed magnetic fields detected by the magnetic field detection part at a predetermined period. A comparison determination part 22 compares the difference calculated by the first calculation part 21 with a prestored difference between the maximum value and the minimum value of pulse magnetic fields at a predetermined period to determine equality. When equal is determined, the second calculation part 23 subtracts the difference between the maximum value and the minimum value of the superimposed magnetic fields calculated by the first calculation part 21 from the maximum value of the superimposed magnetic field detected by the magnetic field detection part to calculate torque received by a connection shaft 3.
摘要翻译：要解决的问题：提供一种容易制造的检测精度等于或高于在磁场检测部中使用两个磁检测元件时的检测精度的扭矩检测装置。解算：扭矩检测装置包括转矩磁场产生部4 用于产生转矩磁场，用于产生脉冲磁场的线圈6a和具有一个磁场检测元件6的磁场检测部分，该磁场检测元件用于检测重叠转矩磁场和脉冲磁场的叠加磁场。第一计算部21以预定周期计算由磁场检测部检测出的叠加磁场的最大值和最小值之间的差。比较确定部分22将由第一计算部分21计算的差异与在预定周期的脉冲磁场的最大值和最小值之间的预存差进行比较，以确定相等。当相等时，第二计算部23从由磁场检测部检测到的叠加磁场的最大值减去由第一计算部21计算的叠加磁场的最大值与最小值之间的差，计算由连接轴3接收的扭矩。

2. 发明专利

JP2011209196A Torque index sensor 审中-公开
标题翻译：扭矩指数传感器
公开(公告)号：JP2011209196A
公开(公告)日：2011-10-20
申请号：JP2010078842
申请日：2010-03-30
申请人： Hitachi Cable Ltd , Jtekt Corp , 日立電線株式会社 , 株式会社ジェイテクト
发明人： OKUYAMA TAKESHI , IKEDA YUKIO , TERASAKA MOTOJU , TAMAI TOSHIO , SANADA TAKAHIRO
IPC分类号： G01L3/10 , B62D5/04 , G01D5/18
摘要： PROBLEM TO BE SOLVED: To provide a compact torque index sensor having functions of both a torque sensor and an index sensor and composed of a reduced number of parts.SOLUTION: The torque index sensor includes: a torque detection section 4 for detecting torque received by a rotary shaft 2 rotated by steering operation by an even number of magnetic detection elements 3a and 3b; and a rotation reference position detection section 5 for detecting a rotation reference position of the rotary shaft 2 by the magnetic detection elements 3a and 3b of the torque detection section 4. The rotation reference position detection section 5 includes: a collar 7 which is rotated with the rotary shaft 2 and around which a guide groove 6 is formed; and a magnet for index 8 which approaches and separates from the magnetic detection elements 3a and 3b by guidance of the guide groove 6 with the rotation of the collar 7.
摘要翻译：要解决的问题：提供一种具有扭矩传感器和指数传感器两者的功能的紧凑型扭矩指数传感器，由少数部件构成。转矩指标传感器包括：转矩检测部4，用于检测由由偶数个磁检测元件3a和3b通过转向操作而旋转的旋转轴2; 以及旋转基准位置检测部5，用于通过转矩检测部4的磁检测元件3a，3b检测旋转轴2的旋转基准位置。旋转基准位置检测部5包括：轴环7，其与旋转轴2，并且形成有引导槽6; 以及用于通过引导槽6与轴环7的旋转的引导而接近和分离磁检测元件3a和3b的索引8的磁体。

3. 发明专利

JP2011209005A Torque index sensor 有权
标题翻译：扭矩指数传感器
公开(公告)号：JP2011209005A
公开(公告)日：2011-10-20
申请号：JP2010075023
申请日：2010-03-29
申请人： Hitachi Cable Ltd , Jtekt Corp , 日立電線株式会社 , 株式会社ジェイテクト
发明人： IKEDA YUKIO , TERASAKA MOTOJU , OKUYAMA TAKESHI , SANADA TAKAHIRO
IPC分类号： G01L3/10 , B62D5/04
摘要： PROBLEM TO BE SOLVED: To provide a compact torque index sensor having both functions of a torque sensor and an index sensor in common, and having the small number of components.SOLUTION: This torque index sensor includes a torque detection part for detecting a torque received by a connecting shaft 4 for connecting an input shaft 2 rotated by steering operation and an output shaft 3 by a plurality of magnetic detection elements 8a, 8b, and a rotation reference position detection part for detecting a rotation reference position of the output shaft 3 by the magnetic detection elements 8a, 8b of the torque detection part.
摘要翻译：要解决的问题：提供一种具有扭矩传感器和指数传感器的功能的小型扭矩指标传感器，并且具有少量的部件。解决方案：该扭矩指数传感器包括用于检测接收到的转矩的转矩检测部件通过用于通过转向操作旋转的输入轴2和通过多个磁性检测元件8a，8b的输出轴3连接的连接轴4和用于通过以下方式检测输出轴3的旋转基准位置的旋转基准位置检测部转矩检测部的磁检测元件8a，8b。

4. 发明专利

JP2012058195A Torque index sensor 有权
标题翻译：扭矩指数传感器
公开(公告)号：JP2012058195A
公开(公告)日：2012-03-22
申请号：JP2010204460
申请日：2010-09-13
申请人： Hitachi Cable Ltd , Jtekt Corp , 日立電線株式会社 , 株式会社ジェイテクト
发明人： OKUYAMA TAKESHI , IKEDA YUKIO , TERASAKA MOTOJU , SANADA TAKAHIRO
IPC分类号： G01L3/10 , G01B7/30
CPC分类号： G01L5/221 , B62D6/10 , B62D15/0215 , B62D15/0245 , G01L3/104
摘要： PROBLEM TO BE SOLVED: To provide a torque index sensor having both functions of a torque sensor and an index sensor and capable of contributing to reduction in the number of components and compactification.SOLUTION: Torque index sensor includes a torque detection part 4 for detecting a magnetic detection direction by a pair of magnetic detection elements 3a and 3b opposite to each other and a rotation reference position detection part 5 for detecting a rotation reference position of a connecting shaft 2 by the magnetic detection elements 3a and 3b. The rotation reference position detection part 5 includes: a pair of magnets 6 arranged so that the same magnetic poles are opposite to each other in the peripheral direction of the connecting shaft 2; a rotation side magnetic component 7 arranged between the pair of magnets 6 and the pair of magnetic detection elements 3a and 3b and formed so as to rotate integrally with the connecting shaft 2 to form magnetic paths of the pair of magnets 6 on the rotation reference position; and a fixed side magnetic component 8 arranged between the pair of magnetic detection elements 3a and 3b to allow magnetic flux from the rotation side magnetic component 7 to uniformly flow into the pair of magnetic detection elements 3a and 3b.
摘要翻译：要解决的问题：提供具有扭矩传感器和折射率传感器的功能的扭矩指标传感器，并且能够有助于减少部件数量和紧凑化。解决方案：扭矩指数传感器包括用于通过一对彼此相对的一对磁检测元件3a和3b来检测磁检测方向的转矩检测部分4和用于检测相对的旋转基准位置的旋转基准位置检测部分5 通过磁检测元件3a和3b连接轴2。旋转基准位置检测部5包括：一对磁铁6，其被配置为使得相同的磁极在连接轴2的周向彼此相对; 配置在一对磁铁6和一对磁检测元件3a，3b之间的旋转侧磁性部件7，与连接轴2一体地旋转而形成为一体的磁铁6的旋转基准位置的磁路 ; 以及布置在该对磁检测元件3a和3b之间的固定侧磁性部件8，以允许来自旋转侧磁性部件7的磁通量均匀地流入一对磁性检测元件3a和3b。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011209195A Index sensor 有权
标题翻译：索引传感器
公开(公告)号：JP2011209195A
公开(公告)日：2011-10-20
申请号：JP2010078841
申请日：2010-03-30
申请人： Hitachi Cable Ltd , Jtekt Corp , 日立電線株式会社 , 株式会社ジェイテクト
发明人： IKEDA YUKIO , TERASAKA MOTOJU , KOZUKA KENICHI , SANADA TAKAHIRO
IPC分类号： G01D5/244 , B62D5/04
摘要： PROBLEM TO BE SOLVED: To provide an index sensor detecting a correct rotation reference position independent of an outside environment.SOLUTION: The index sensor is provided with: a magnetic flux generating means 13 attached on a prescribed position of the peripheral side of a rotor 12 to generate a magnetic flux outward of a radial direction; a magnetic detecting means 14, installed in the prescribed position of a stationary system facing the rotor 12 and for independently detecting a magnetic flux component of a Y direction for intersecting the magnetic flux to a rotating shaft C of the rotor 12 and a magnetic flux component of an X direction orthogonal to a face making the magnetic flux component of the Y direction and the rotating shaft C; a computing means 15 for computing the direction of the magnetic flux from the magnetic flux component of the Y direction and the magnetic flux component of the X direction detected with the magnetic detecting means 14; and a rotation reference position signal generating means 16 for generating a rotation reference position signal indicating that the prescribed position of the rotor 12 is within a prescribed rotation angle range from the prescribed position of the stationary system on the basis of the direction of the magnetic flux.
摘要翻译：要解决的问题：提供一种独立于外部环境检测正确的旋转基准位置的指标传感器。解决方案：指标传感器设置有：附接在转子12的周边的规定位置的磁通量产生装置13 以产生径向外侧的磁通量; 安装在面向转子12的固定系统的规定位置的磁检测装置14，用于独立地检测与磁通相交的Y方向的磁通量分量与转子12的旋转轴C的磁通分量与使Y方向的磁通分量和旋转轴C成正比的面正交的X方向; 计算装置15，用于计算来自Y方向的磁通分量的磁通量的方向以及用磁检测装置14检测的X方向的磁通分量; 以及旋转基准位置信号发生装置16，用于根据磁通量的方向产生指示转子12的规定位置从静止系统的规定位置在规定的旋转角度范围内的旋转基准位置信号。

6. 发明专利

JP2010133943A Index sensor 有权
标题翻译：索引传感器
公开(公告)号：JP2010133943A
公开(公告)日：2010-06-17
申请号：JP2009245531
申请日：2009-10-26
申请人： Hitachi Cable Ltd , Jtekt Corp , 日立電線株式会社 , 株式会社ジェイテクト
发明人： TERASAKA MOTOJU , IKEDA YUKIO , SANADA TAKAHIRO
IPC分类号： G01B7/30 , G01D5/244
摘要： PROBLEM TO BE SOLVED: To provide an index sensor having sufficient margin, for generating large variation of magnetic flux density resulting from rotation of a steering shaft. SOLUTION: In the index sensor which includes a steering shaft, a magnet generating magnetic flux used for detection of a rotation reference location of the steering shaft, and a magnetic sensor detecting magnetic flux density from the magnet in order to detect the rotation reference location of the steering shaft based on the variation of magnetic flux density from the magnet, the magnet and the magnetic sensor are disposed such that a polar axis of the magnet and a detecting axis of the magnetic sensor so as to cross in xy-planar view or xz-planar view when the steering shaft is located at the rotational reference position. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有足够余量的指标传感器，用于产生由转向轴的旋转引起的大的磁通密度变化。解决方案：在包括转向轴的转子传感器中，产生用于检测转向轴的旋转参考位置的磁通量的磁体和从磁体检测磁通密度以检测旋转的磁传感器基于来自磁体，磁体和磁传感器的磁通密度变化的转向轴的参考位置被设置为使得磁体的极轴和磁传感器的检测轴线在xy平面中交叉当转向轴位于旋转基准位置时的视图或xz平面视图。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2010237082A Torque-index sensor 有权
标题翻译：扭矩指数传感器
公开(公告)号：JP2010237082A
公开(公告)日：2010-10-21
申请号：JP2009086391
申请日：2009-03-31
申请人： Hitachi Cable Ltd , Jtekt Corp , 日立電線株式会社 , 株式会社ジェイテクト
发明人： OKUYAMA TAKESHI , IKEDA YUKIO , TERASAKA MOTOJU , SANADA TAKAHIRO
IPC分类号： G01B7/30 , B62D5/04 , G01L3/10
CPC分类号： G01D15/00 , G01D1/00 , G01L3/104 , G01L5/221
摘要： PROBLEM TO BE SOLVED: To provide a torque-index sensor reducing interference between an index sensor and a torque sensor, and integrating the index sensor and the torque sensor which are arranged close. SOLUTION: This torque-index sensor coaxially includes the torque sensor containing a first magnetic sensor arranged beside a first annular magnet section, and the index sensor containing a second magnet section arranged beside an annular encoder and a second magnetic sensor and is provided with a magnetic flux change means between the first magnetic sensor of the torque sensor and the second magnet section of the index sensor, the magnetic flux change means changing a direction of a magnetic flux to be emitted from the second magnet section toward the first magnetic sensor. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种减小索引传感器和扭矩传感器之间的干扰的扭矩指数传感器，并且将靠近布置的索引传感器和扭矩传感器进行集成。该扭矩指标传感器同轴地包括扭矩传感器，该转矩传感器包含布置在第一环形磁体部分旁边的第一磁传感器，并且索引传感器包含布置在环形编码器和第二磁传感器旁边的第二磁体部分，在扭矩传感器的第一磁传感器和索引传感器的第二磁体部分之间具有磁通量改变装置，磁通量改变装置改变从第二磁体部分朝向第一磁传感器发射的磁通量的方向。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010139307A Steering angle/torque sensor device 审中-公开
标题翻译：转向角/扭矩传感器装置
公开(公告)号：JP2010139307A
公开(公告)日：2010-06-24
申请号：JP2008314313
申请日：2008-12-10
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： OKUYAMA TAKESHI , IKEDA YUKIO
IPC分类号： G01L3/10
摘要： PROBLEM TO BE SOLVED: To provide a steering angle/torque sensor device which suppresses the generation of measurement errors by specifying the generation factor of the measurement errors and by proposing a means capable of coping with the factor and which can precisely perform torque measurement with reduced errors.
SOLUTION: The steering angle/torque sensor device includes: a steering angle sensor 2 including a steering angle sensor body 3 that is a magnetic detection part and a magnet 4 disposed opposite thereto and detecting the rotation angle of a steering shaft 6; and a torque sensor 1 detecting the torque applied to the steering shaft 6, wherein the magnet 4 is disposed adjacent to the torque sensor 1. A magnetic body plate 5 is disposed adjacent to a surface in the magnet 4 opposite to a surface facing the steering angle sensor body 3 and approximately parallel to a magnetization direction 9 of the magnet 4.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过指定测量误差的生成因子来抑制测量误差的产生的转向角/扭矩传感器装置，并且通过提出能够应对因子并且可以精确地执行扭矩的装置减少误差测量。解决方案：转向角/转矩传感器装置包括：转向角传感器2，其包括作为磁检测部的转向角传感器主体3和与其相对设置的磁体4，并检测转向轴6的旋转角度; 以及扭矩传感器1，其检测施加到转向轴6的扭矩，其中，磁体4邻近扭矩传感器1设置。磁体板5邻近于与面向转向器的表面相对的磁铁4的表面角度传感器主体3并且大致平行于磁体4的磁化方向9.版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009133773A Absolute angle detection method and absolute angle detector 有权
标题翻译：绝对角度检测方法和绝对角度检测器
公开(公告)号：JP2009133773A
公开(公告)日：2009-06-18
申请号：JP2007311217
申请日：2007-11-30
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： IKEDA YUKIO
IPC分类号： G01B5/24
摘要： PROBLEM TO BE SOLVED: To provide an absolute angle detection method and an absolute angle detector in which the error of a rotation angle sensor is hard to be reflected in an absolute angle.
SOLUTION: A temporary absolute angle KΦ is determined through calculation using a first proportionality constant and the difference between a rotation angle θca and a rotation angle θcb. The shaft rotation angle ϕac of a main gear 2 is determined through calculation using the rotation angle θca and a second proportionality constant. The repetition number Nca of a sensor period Θ in the rotation angle sensor 6 is determined from the temporary absolute angle KΦ. An absolute angle Φ is determined from the shaft rotation angle ϕac, the sensor period Θ, and the repetition number Nca of the sensor period Θ.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供绝对角度检测方法和绝对角度检测器，其中旋转角度传感器的误差难以被反射成绝对角度。解决方案：通过使用第一比例常数的计算和旋转角θca与旋转角θcb之间的差来确定临时绝对角KΦ。通过使用旋转角θca和第二比例常数的计算来确定主齿轮2的轴旋转角度φac。旋转角度传感器6中的传感器周期Θ的重复次数Nca由临时绝对角KΦ确定。从轴旋转角度φac，传感器周期Θ和传感器周期Θ的重复次数Nca确定绝对角度Φ。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008122322A Disconnection detection method of wire or cable, and device therefor 审中-公开
标题翻译：电线或电缆的断路检测方法及其装置
公开(公告)号：JP2008122322A
公开(公告)日：2008-05-29
申请号：JP2006309186
申请日：2006-11-15
申请人： Hitachi Cable Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 日立電線株式会社
发明人： TAZAKI OSAMU , KOTANI KAZUO , IKEDA YUKIO , YOSHIDA KIYOSHI
IPC分类号： G01R31/02
摘要： PROBLEM TO BE SOLVED: To provide a disconnection detection method of a wire or a cable and a device therefor capable of detecting a disconnection of the wire or the cable even after the start of its use.
SOLUTION: This disconnection detection method of the cable is described as follows: a high-frequency pulse signal is injected into the wire or the cable 2 which is a detection object; a response signal generated in the wire or the cable 2 is detected; a waveform of the response signal is recorded; injection of the high-frequency pulse signal, and detection and recording of the response signal waveform are repeated; disconnection characteristic quantities which are characteristic to a disconnection are extracted from the response signal waveform; and a disconnection rate is estimated from the magnitude of dispersion of the disconnection characteristic quantities.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种线或电缆的断线检测方法及其装置，即使在开始使用之后也能够检测线或电缆的断开。解决方案：电缆的这种断线检测方法描述如下：将高频脉冲信号注入到作为检测对象的电线或电缆2中; 在线或电缆2中产生的响应信号被检测到; 记录响应信号的波形; 重复注射高频脉冲信号以及响应信号波形的检测和记录; 从响应信号波形中提取断开特性的断开特性量; 并且根据断开特性量的分散量的大小估计断开速率。版权所有（C）2008，JPO＆INPIT

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