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    • 5. 发明授权
    • Detecting arrangement and method for a magnetic gripper device
    • 磁性夹具装置的检测装置和方法
    • US08037845B2
    • 2011-10-18
    • US11990781
    • 2006-08-29
    • Krister Sjöblom
    • Krister Sjöblom
    • A01J5/00
    • A01J5/0175H03K17/9517Y10T74/20305
    • A detecting arrangement for a magnetic gripper device (3) mountable on a robot arm (10) of a milking robot (2) provided for automatically attaching teat cups (5) to the teats of a milking animal, wherein the magnetic gripper device is adapted for gripping teat cups made of or comprising a magnetic material and comprises a primary coil (31) feedable with a current and a core (33) of a magnetic material arranged at least partly within the primary coil. The detecting arrangement comprises means (41, 43; 43; 53) for repetitively sensing a magnetic field, an inductance, or a change thereof, as caused by a teat cup (5) when being present at, or gripped by, the magnetic gripper device (3); and means (44; 54) for repetitively detecting whether the magnetic gripper device is holding a teat cup or not based on said repetitive sensing of the magnetic field, the inductance, or the change thereof.
    • 一种用于可安装在挤奶机器人(2)的机器人手臂(10)上的磁性夹持装置(3)的检测装置,其设置用于将挤奶杯(5)自动地连接到挤奶动物的乳头,其中所述磁性夹持装置适于 用于夹持由磁性材料制成或包括磁性材料的奶杯,并且包括能够与至少部分地在初级线圈内布置的磁性材料的电流和芯体(33)一起馈送的初级线圈(31)。 所述检测装置包括用于重复地感测由存在于或由磁性夹具夹住的奶杯(5)引起的磁场,电感或其变化的装置(41,43; 43; 53) 装置(3); 以及用于基于所述磁场,电感或其变化的重复感测,重复地检测磁性夹具装置是否保持奶杯的装置(44; 54)。