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    • 9. 发明授权
    • Measuring device for contactless detecting a ferromagnetic object
    • 用于非接触式检测铁磁体的测量装置
    • US06922052B2
    • 2005-07-26
    • US10204688
    • 2001-02-16
    • Heinrich SteinrueckenDavid HeisenbergMichael SchulzRasmus RettigMartin HaasKlemens Gintner
    • Heinrich SteinrueckenDavid HeisenbergMichael SchulzRasmus RettigMartin HaasKlemens Gintner
    • G01D5/245G01D5/14H01L43/06G01B7/14G01B7/30G01R33/06
    • G01D5/147
    • A measuring device for contactless detection of a ferromagnetic object, comprising at least one magnet; a magnetic field-sensitive element arranged so that an air gap is provided between the magnetic field-sensitive element and the ferromagnetic object; and a soft-magnetic component located between magnet and the magnetic field-sensitive element on a face of the magnet which points in a direction of the ferromagnetic object to be detected, said soft-magnetic component being formed as a cap-shaped element that has a recess that is open in a direction away from said magnetic field-sensitive element to house the magnet and an opening that is open in a direction of the magnetic field-sensitive element, to house the magnet and opening that is open in a direction of the magnetic field-sensitive element, the soft-magnetic component having a first side wall defining said recess and also having a portion which forms a second side wall defining said opening, said first side wall and said second side wall being in alignment with one another.
    • 一种用于非铁磁性物体的非接触检测的测量装置,包括至少一个磁体; 磁场敏感元件,被布置成使得在所述磁场敏感元件和所述铁磁体之间设置气隙; 以及位于磁体与磁场敏感元件之间的软磁性部件,磁体的表面指向要检测的铁磁性物体的方向,所述软磁部件形成为帽状元件,所述帽状元件具有 沿远离所述磁场敏感元件的方向开放以容纳磁体的凹部和沿着磁场敏感元件的方向开口的开口,以容纳磁体和沿着磁场敏感元件的方向开口的开口 所述磁场元件具有限定所述凹部的第一侧壁,并且还具有形成限定所述开口的第二侧壁的部分,所述第一侧壁和所述第二侧壁彼此对准 。