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公开(公告)号：WO2016036372A1
公开(公告)日：2016-03-10
申请号：PCT/US2014/054037
申请日：2014-09-04
Applicant: THE TIMKEN COMPANY
Inventor： WANG, Lei , SANTOS, Alfred, J. , LACROIX, Mark, E.
IPC: G01R33/07
CPC classification number: G01R33/0029 , G01R33/075
Abstract: A method and apparatus for sensing magnetic field strength with a pair of Hall effect sensors includes sampling a sensed voltage for the Hall effect sensors during a first phase and combining the sensed voltage. During a second phase, obtaining sensed voltages for the Hall effect sensors and combining the sensed voltages. The sensed voltages from the first phase and the second phase are combined to obtain a summed voltage and remove the Hall effect sensor and amplifier offset error value. In one arrangement, the summed voltage corresponds to the sensed Hall voltage of the first Hall effect sensor added to the Hall voltage of the second Hall effect sensor. In another arrangement, the summed voltage corresponds to the sensed Hall voltage of the first Hall effect sensor subtracted by the sensed Hall voltage of the second Hall effect sensor. Changes in the summed voltage with respect to a reference voltage are counted to determine the speed of a rotating shaft having magnets or a similar arrangement.
Abstract translation: 用一对霍尔效应传感器检测磁场强度的方法和装置包括在第一阶段期间对霍尔效应传感器的感测电压进行采样并组合感测的电压。 在第二阶段期间，获得用于霍尔效应传感器的感测电压并组合感测的电压。 将来自第一相和第二相的感测电压组合以获得总和电压并去除霍尔效应传感器和放大器偏移误差值。 在一种布置中，相加的电压对应于第二霍尔效应传感器的霍尔电压中加上的第一霍尔效应传感器的霍尔电压。 在另一种布置中，总和电压对应于由第二霍尔效应传感器的感测霍尔电压减去的第一霍尔效应传感器的感测霍尔电压。 计算总和电压相对于参考电压的变化，以确定具有磁体或类似布置的旋转轴的速度。
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公开(公告)号：WO2010117891A3
公开(公告)日：2010-10-14
申请号：PCT/US2010/029729
申请日：2010-04-02
Applicant: THE TIMKEN COMPANY , SANTOS, Alfred, J. , LACROIX, Mark, E. , WANG, Lei
Inventor： SANTOS, Alfred, J. , LACROIX, Mark, E. , WANG, Lei
Abstract: A sensor assembly includes a magnetic track having a plurality of magnetic poles separated by a plurality of pole junctions. The sensor assembly also includes a first magnetic sensor disposed proximate a high-resolution portion of the magnetic track and a second magnetic sensor disposed proximate a reference portion of the magnetic track. The second magnetic sensor spans adjacent pole junctions in the magnetic track. Each of the adjacent pole junctions includes a high-resolution segment corresponding with the high-resolution portion of the magnetic track and a reference segment corresponding with the reference portion of the magnetic track. The reference segment of each pole junction is one of offset and aligned with the corresponding high-resolution segment in each pole junction.
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3.发明申请
公开(公告)号：WO2013063205A1
公开(公告)日：2013-05-02
申请号：PCT/US2012/061815
申请日：2012-10-25
Applicant: THE TIMKEN COMPANY
Inventor： SANTOS, Alfred, J. , LACROIX, Mark, E. , WANG, Lei
CPC classification number: G01B7/003 , G01D5/145 , G01D5/24428 , G01D5/24461 , G01P3/44
Abstract: A sensor system for detecting at least one of a speed and a position of a rotatable member. The sensor system includes a high-resolution sensor circuit including a plurality of Hall effect sensors and at least one independent Hall effect sensor, wherein the independent Hall effect sensor includes at least one of a power supply line, a ground line, and an output line, none of which are connected to the high-resolution sensor circuit.
Abstract translation: 一种用于检测可旋转构件的速度和位置中的至少一个的传感器系统。 传感器系统包括高分辨率传感器电路，其包括多个霍尔效应传感器和至少一个独立的霍尔效应传感器，其中独立霍尔效应传感器包括电源线，接地线和输出线中的至少一个 ，其中没有一个连接到高分辨率传感器电路。
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4.发明公开ROTATIONAL ENCODER WITH ADDITIONAL INDEPENDENT HALL EFFEKT SENSOR 审中-公开梦寐以求的咖啡ER ER OR OR OR OR OR OR OR OR OR OR OR OR OR OR OR OR
公开(公告)号：EP2776789A1
公开(公告)日：2014-09-17
申请号：EP12791600.5
申请日：2012-10-25
Applicant: The Timken Company
Inventor： SANTOS, Alfred, J. , LACROIX, Mark, E. , WANG, Lei
CPC classification number: G01B7/003 , G01D5/145 , G01D5/24428 , G01D5/24461 , G01P3/44
Abstract: A sensor system for detecting at least one of a speed and a position of a rotatable member. The sensor system includes a high-resolution sensor circuit including a plurality of Hall effect sensors and at least one independent Hall effect sensor, wherein the independent Hall effect sensor includes at least one of a power supply line, a ground line, and an output line, none of which are connected to the high-resolution sensor circuit.
Abstract translation: 一种用于检测可旋转构件的速度和位置中的至少一个的传感器系统。 传感器系统包括高分辨率传感器电路，其包括多个霍尔效应传感器和至少一个独立的霍尔效应传感器，其中独立霍尔效应传感器包括电源线，接地线和输出线中的至少一个 ，其中没有一个连接到高分辨率传感器电路。
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