BARKHAUSEN NOISE INSPECTION APPARATUS AND INSPECTION METHOD
    11.
    发明申请
    BARKHAUSEN NOISE INSPECTION APPARATUS AND INSPECTION METHOD 审中-公开
    BARKHAUSEN噪声检测装置和检查方法

    公开(公告)号:US20110199081A1

    公开(公告)日:2011-08-18

    申请号:US12998392

    申请日:2009-10-22

    IPC分类号: G01R33/02

    CPC分类号: G01N27/725

    摘要: A Barkhausen noise inspection device of the present invention includes a detecting head (1), made up of an exciting coil (2) for magnetizing an object (30) to be inspected, a detecting coil (3) for detecting Barkhausen noises generated from the object (30) having been magnetized, and an electric power source (12) for supplying to the exciting coil (2) an alternating current necessary to generate an alternating magnetic field necessary for magnetization. A magnetic flux detecting sensor (6) is provided for detecting the magnitude of a magnetic flux used to excite the object (30). Also, an electric current control module (11) is provided for controlling the alternating current of the electric power source (12) on the basis of the magnitude of the magnetic flux, detected by the magnetic flux detecting sensor (6), to thereby maintain the magnitude of the magnetic flux, used to excite the object (30), at a constant value.

    摘要翻译: 本发明的巴克豪森噪声检测装置包括:检测头(1),由用于磁化待检查物体(30)的励磁线圈(2)构成;检测线圈(3),用于检测从所述检测线产生的巴克豪森噪声 物体(30),以及用于向励磁线圈(2)供给产生磁化所需的交变磁场所需的交流电的电源(12)。 提供磁通检测传感器(6),用于检测用于激发物体(30)的磁通量的大小。 另外,提供电流控制模块(11),用于根据由磁通检测传感器(6)检测的磁通量的大小来控制电源(12)的交流电流,从而维持 用于激励物体(30)的磁通量的大小为恒定值。

    ROTATION SENSOR-EQUIPPED BEARING DEVICE FOR WHEEL
    12.
    发明申请
    ROTATION SENSOR-EQUIPPED BEARING DEVICE FOR WHEEL 有权
    旋转传感器轴承装置

    公开(公告)号:US20100001720A1

    公开(公告)日:2010-01-07

    申请号:US12310445

    申请日:2007-08-16

    IPC分类号: G01B7/30

    摘要: A rotation sensor equipped wheel support bearing assembly detects rotational speed and rotational direction, in which a high resolution rotation signal is utilized in various vehicle controls with a suppressed size. The bearing assembly includes a plurality of rows of rolling elements between rolling surfaces in outer and inner members. A magnetic field generating element having anisotropy about a bearing center axis is provided in the outer member in alignment with the axis. The inner member is provided with a sensor for sensing the magnetic field of the magnetic field generating element oriented axially. The sensor detects the angle of rotation of the magnetic field generating element and is in the form of magnetic sensor arrays or elements for detecting the orientation of the magnetic field with a two-dimensional vector sensor to detect rotation of the magnetic field generating element.

    摘要翻译: 旋转传感器配备的车轮支撑轴承组件检测旋转速度和旋转方向,其中在具有抑制尺寸的各种车辆控制中使用高分辨率旋转信号。 轴承组件在外部和内部构件中的滚动表面之间包括多排滚动元件。 具有与轴承中心轴相对的各向异性的磁场产生元件设置在与轴线对准的外部构件中。 内部构件设置有用于感测轴向定向的磁场产生元件的磁场的传感器。 传感器检测磁场产生元件的旋转角度,并且是磁传感器阵列或元件的形式,用于利用二维矢量传感器检测磁场的取向以检测磁场产生元件的旋转。

    Wireless sensor system and bearing assembly equipped with the same
    13.
    发明授权
    Wireless sensor system and bearing assembly equipped with the same 有权
    无线传感器系统和轴承组件配备相同

    公开(公告)号:US07561035B2

    公开(公告)日:2009-07-14

    申请号:US10526903

    申请日:2003-09-08

    IPC分类号: B60C23/00

    摘要: A wireless sensor system of the present invention includes wireless sensor units (4A, 4B) and a sensor signal receiving unit (5). The sensor units (4A, 4B) have sensors (6A, 6B), an electric power receiver (8A, 8B) for securing the electric power from an electromagnetic wave of a power feeding frequency f1 through a tuning circuit and a detecting and rectifying circuit, and sensor signal transmitters (9A, 9B) for transmitting the signals outputted from the sensors as a wireless sensor signal of the electromagnetic wave of unique frequencies f2 and f3 different from the power feeding frequency f1. The sensor signal receiving unit (5) has an electric power transmitter (12) for transmitting the electromagnetic wave of the power feeding frequency f1 to the units (4A, 4B) and a sensor signal receiver (13) for receiving wireless the sensor signals of the respective frequencies f2 and f3 transmitted from the units (4A, 4B).

    摘要翻译: 本发明的无线传感器系统包括无线传感器单元(4A,4B)和传感器信号接收单元(5)。 传感器单元(4A,4B)具有传感器(6A,6B),电力接收器(8A,8B),用于通过调谐电路和检测和整流电路来确保来自馈电频率f1的电磁波的电力 以及用于将从传感器输出的信号作为与供电频率f1不同的独特频率f2和f3的电磁波的无线传感器信号的传感器信号发送器(9A,9B)。 传感器信号接收单元(5)具有用于将馈电频率f1的电磁波发送到单元(4A,4B)的电力发送器(12)和用于接收无线传感器信号的传感器信号接收器(13) 从单元(4A,4B)发送的各个频率f2和f3。

    Wireless sensor system, and bearing apparatus with wireless sensor
    14.
    发明申请
    Wireless sensor system, and bearing apparatus with wireless sensor 失效
    无线传感器系统,带无线传感器的轴承装置

    公开(公告)号:US20070018837A1

    公开(公告)日:2007-01-25

    申请号:US10569053

    申请日:2004-03-10

    IPC分类号: G08B21/00

    摘要: To provide a wireless sensor system, in which an abnormal power supply in the power supply section can be ascertained, for avoiding a malfunction of the system and accomplishing a stable power supply with reduction of the consumption of a power being transmitted, the wireless sensor system includes wireless sensor units and a sensor signal receiving unit. The wireless sensor units include a sensor section for detecting a detection object, a sensor signal transmitting section for transmitting by wireless a sensor signal from the sensor section, and a power supply section having a power receiving section for receiving a driving power transmitted by wireless. In this system, a power supply monitoring section is provided for monitoring the voltage of the power supply section. The sensor signal receiving unit includes a monitor dependent power control section for regulating the power to be transmitted, depending on a monitored result of the power monitoring section.

    摘要翻译: 为了提供无线传感器系统,其中可以确定电源部分中的异常电源,以避免系统的故障并且通过减少正在传输的电力的消耗来实现稳定的电源,无线传感器系统 包括无线传感器单元和传感器信号接收单元。 无线传感器单元包括用于检测检测对象的传感器部分,用于通过无线传输来自传感器部分的传感器信号的传感器信号发送部分和具有用于接收通过无线传输的驱动力的电力接收部分的电源部分。 在该系统中,提供电源监视部分,用于监视电源部分的电压。 传感器信号接收单元包括监视器相关功率控制部分,用于根据功率监视部分的监视结果来调节要传输的功率。

    Rotation detecting device and wheel support bearing assembly utilizing the same
    16.
    发明申请
    Rotation detecting device and wheel support bearing assembly utilizing the same 失效
    旋转检测装置和利用其的车轮支撑轴承组件

    公开(公告)号:US20050174011A1

    公开(公告)日:2005-08-11

    申请号:US11099466

    申请日:2005-04-06

    摘要: To provide a rotation detecting device with a function of transmitting a rotational speed detection signal wireless and enable the rotation detecting device to be assembled compact in size without requiring any anti-rusting treatment to a multi-pole magnet assembly and a magnetic ring assembly, the rotation detecting device includes an electric power generator (11) for generating an electric power by a relative rotation between a non-rotatable member (1) and a rotatable member (7). The electric power generator (11) includes a multi-pole magnet assembly (13) and a magnetic ring assembly (12). A wireless transmission device (14) for transmitting the rotational speed detection signal outputted by the electric power generator (11) is employed. A sealing member (18) is also employed for sealing a working space delimited between the non-rotatable member (1) and the rotatable member (7), and the multi-pole magnet assembly (13) and the magnetic ring assembly (12) of the electric power generator (11) confront with each other at a location inwardly of the sealing member (18). The sealing member (18) is mounted on the magnetic ring assembly (12) or the wireless transmission device (14) of an annular configuration.

    摘要翻译: 为了提供具有无线传递转速检测信号的功能的旋转检测装置,并且使得旋转检测装置能够组装成紧凑的尺寸,而不需要对多极磁体组件和磁环组件进行任何防锈处理, 旋转检测装置包括用于通过不可旋转构件(1)和可旋转构件(7)之间的相对旋转产生电力的发电机(11)。 发电机(11)包括多极磁体组件(13)和磁环组件(12)。 采用用于发送由发电机(11)输出的转速检测信号的无线发送装置(14)。 密封构件(18)还用于密封限定在不可旋转构件(1)和可旋转构件(7)之间的工作空间,以及多极磁体组件(13)和磁环组件(12) 在所述密封构件(18)的内侧的位置处彼此面对的发电机(11)。 密封构件(18)安装在环形组件(12)或环形构造的无线传输装置(14)上。

    Bearing assembly having built-in wireless sensor
    17.
    发明申请
    Bearing assembly having built-in wireless sensor 审中-公开
    轴承组件内置无线传感器

    公开(公告)号:US20070159352A1

    公开(公告)日:2007-07-12

    申请号:US10573487

    申请日:2004-09-22

    IPC分类号: H04Q9/00

    摘要: A wireless sensor incorporated bearing assembly includes a bearing (1) including a stationary race member (3) and a rotatable race member (2), a sensor unit (9) and a sensor unit mounting device (30) for removably mounting the sensor unit (9) on the stationary race member (3) of the bearing (1). The sensor unit (9) is of one-piece construction including a sensor section (26) for detecting a target of detection, a signal transmitting circuit (29b) and a transmitting antenna (29a). The sensor unit (9) includes, as an electric power supply section (27), a section that does not require wiring, for example, an electric power receiving section (28) for receiving an electric power by wireless, or a battery or electric power generator.

    摘要翻译: 一种包含无线传感器的轴承组件,包括:轴承(1),包括固定座圈构件(3)和可旋转座圈构件(2);传感器单元(9)和传感器单元安装装置(30),用于可拆卸地安装传感器单元 (9)在轴承(1)的固定座圈构件(3)上。 传感器单元(9)是一体式结构,包括用于检测检测目标的传感器部分(26),信号发射电路(29b)和发射天线(29a)。 传感器单元(9)包括作为电力供应部(27)的不需要布线的部分,例如用于通过无线接收电力的电力接收部分(28)或电池或电 发电机。

    Wireless sensor system and bearing device having wireless sensor
    18.
    发明申请
    Wireless sensor system and bearing device having wireless sensor 有权
    无线传感器系统和带有无线传感器的轴承装置

    公开(公告)号:US20050258950A1

    公开(公告)日:2005-11-24

    申请号:US10526903

    申请日:2003-09-08

    摘要: A wireless sensor system of the present invention includes wireless sensor units (4A, 4B) and a sensor signal receiving unit (5). The sensor units (4A, 4B) have sensors (6A, 6B), an electric power receiver (8A, 8B) for securing the electric power from an electromagnetic wave of a power feeding frequency f1 through a tuning circuit and a detecting and rectifying circuit, and sensor signal transmitters (9A, 9B) for transmitting the signals outputted from the sensors as a wireless sensor signal of the electromagnetic wave of unique frequencies f2 and f3 different from the power feeding frequency f1. The sensor signal receiving unit (5) has an electric power transmitter (12) for transmitting the electromagnetic wave of the power feeding frequency f1 to the units (4A, 4B) and a sensor signal receiver (13) for receiving wireless the sensor signals of the respective frequencies f2 and f3 transmitted from the units (4A, 4B).

    摘要翻译: 本发明的无线传感器系统包括无线传感器单元(4A,4B)和传感器信号接收单元(5)。 传感器单元(4A,4B)具有传感器(6A,6B),电力接收器(8A,8B),用于通过调谐电源将来自馈电频率f 1的电磁波的电力固定 电路和检测和整流电路,以及用于将从传感器输出的信号作为不同于馈电频率的独特频率f 2和f 3的电磁波的无线传感器信号传输的传感器信号发射器(9A,9B) 传感器信号接收单元(5)具有用于将馈电频率f 1的电磁波发射到单元(4A,4B)的电力发射器(12)和用于 接收从单元(4A,4B)发送的各个频率f 2和f 3的传感器信号的无线接收。