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公开(公告)号:US09673685B2
公开(公告)日:2017-06-06
申请号:US14243353
申请日:2014-04-02
Applicant: Rockwell Automation Technologies, Inc.
Inventor: Mark Cooper , Kelly J. Bronk , Wei Qian , Zhenhuan Yuan , Shankernarayan Ramanarayanan , Manas Sawant , Shun Feng , Robert H. Schmidt
Abstract: An improved system for monitoring vibration of an electric machine is disclosed. According to one embodiment, sensors are positioned in a plane orthogonal to the motor shaft and each sensor detects vibration along at least one axis of the motor. The sensors are oriented such that the polarity of each sensor is reversed. The pairs of sensors may be used to isolate specific vibrations within the motor. According to another embodiment, a sensor may be mounted directly to the motor shaft. The sensor on the motor shaft directly detects vibrations along the motor shaft. Optionally, a second sensor may be mounted to a fixed location within the motor housing, and the combination of the sensor on the motor shaft and the sensor at a fixed location may be used to isolate specific vibrations within the motor. A motor controller may adjust operation of the motor to reduce the isolated vibration.
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公开(公告)号:US20170178782A1
公开(公告)日:2017-06-22
申请号:US14972588
申请日:2015-12-17
Applicant: Rockwell Automation Technologies, Inc.
Inventor: Xikai Sun , Wei Qian , Shaofeng Zhang , Haihui Lu , Lixiang Wei , Yuan Xiao , Jiangang Hu , Richard A. Lukaszewski
CPC classification number: H01F27/085 , H01F3/10 , H01F27/306
Abstract: For reducing volume requirements and magnetic flux leakage, a compact inductor includes a first planar core with a first core thickness along a first axis orthogonal to a plane of the first planar core. In addition, the inductor includes a second planar core disposed parallel to the first planar core with a second core thickness along the first axis. The inductor further includes a plurality of electrical windings disposed between and adjacent to an inside plane of the first planar core and an inside plane of the second planar core. The electrical windings may include insulated electrical wires. No magnetic teeth may be disposed between the first planar core and the second planar core. The first axis is parallel to a magnetic axis of each electrical winding.
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公开(公告)号:US10217555B2
公开(公告)日:2019-02-26
申请号:US14972588
申请日:2015-12-17
Applicant: Rockwell Automation Technologies, Inc.
Inventor: Xikai Sun , Wei Qian , Shaofeng Zhang , Haihui Lu , Lixiang Wei , Yuan Xiao , Jiangang Hu , Richard A. Lukaszewski
Abstract: For reducing volume requirements and magnetic flux leakage, a compact inductor includes a first planar core with a first core thickness along a first axis orthogonal to a plane of the first planar core. In addition, the inductor includes a second planar core disposed parallel to the first planar core with a second core thickness along the first axis. The inductor further includes a plurality of electrical windings disposed between and adjacent to an inside plane of the first planar core and an inside plane of the second planar core. The electrical windings may include insulated electrical wires. No magnetic teeth may be disposed between the first planar core and the second planar core. The first axis is parallel to a magnetic axis of each electrical winding.
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公开(公告)号:US09671292B2
公开(公告)日:2017-06-06
申请号:US14052447
申请日:2013-10-11
Applicant: ROCKWELL AUTOMATION TECHNOLOGIES, INC.
CPC classification number: G01J5/0896 , G01J5/0066 , G01J5/0096 , G01J5/025 , G01J5/026 , G01J2005/0077 , G01K11/12
Abstract: The present techniques generally relate to a system and methods for remotely monitoring the interior of a closed electrical enclosure for localized heating (e.g., hot spots). In general, the monitoring system includes features designed to detect one or more hot spots within a dim or dark environment, determine the location of the hot spot within the enclosure, determine a temperature range of the hot spot, and/or notify (e.g., alarm or alert) an operator upon detection of the hot spot. The monitoring system may include one or more temperature sensitive elements configured to determine the heating of potential hot spots within the electrical enclosure. Further, the foregoing features may be designed to allow one or more electrical enclosures to remotely communicate with computer equipment (e.g., workstation or general purpose computers) over a wireless network.
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公开(公告)号:US20150288257A1
公开(公告)日:2015-10-08
申请号:US14243353
申请日:2014-04-02
Applicant: Rockwell Automation Technologies, Inc.
Inventor: Mark Cooper , Kelly J. Bronk , Wei Qian , Zhenhuan Yuan , Shankernarayan Ramanarayanan , Manas Sawant , Shun Feng , Robert H. Schmidt
Abstract: An improved system for monitoring vibration of an electric machine is disclosed. According to one embodiment, sensors are positioned in a plane orthogonal to the motor shaft and each sensor detects vibration along at least one axis of the motor. The sensors are oriented such that the polarity of each sensor is reversed. The pairs of sensors may be used to isolate specific vibrations within the motor. According to another embodiment, a sensor may be mounted directly to the motor shaft. The sensor on the motor shaft directly detects vibrations along the motor shaft. Optionally, a second sensor may be mounted to a fixed location within the motor housing, and the combination of the sensor on the motor shaft and the sensor at a fixed location may be used to isolate specific vibrations within the motor. A motor controller may adjust operation of the motor to reduce the isolated vibration.
Abstract translation: 公开了一种用于监测电机振动的改进系统。 根据一个实施例,传感器定位在与电动机轴正交的平面中,并且每个传感器沿着电动机的至少一个轴检测振动。 传感器被定向成使得每个传感器的极性相反。 传感器对可用于隔离电动机内的特定振动。 根据另一个实施例,传感器可以直接安装到电动机轴上。 电机轴上的传感器直接检测电机轴的振动。 可选地,第二传感器可以安装到电动机壳体内的固定位置,并且电动机轴上的传感器和固定位置处的传感器的组合可用于隔离电动机内的特定振动。 电机控制器可以调节电机的运行,以减少隔离振动。
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