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    • 3. 发明授权
    • Method and apparatus for detecting blocking of a direct current motor
    • 用于检测直流电动机阻塞的方法和装置
    • US08063590B2
    • 2011-11-22
    • US11570960
    • 2005-06-01
    • Norbert KnabNikolas HaberlFrank FischerJoerg Eichhorn
    • Norbert KnabNikolas HaberlFrank FischerJoerg Eichhorn
    • H02P1/00
    • H02H7/093
    • Both a method and a use by this method of an apparatus for detecting blocking of a direct current motor (10), in particular a direct current motor (10) for a blower of a motor vehicle, is presented. The direct current motor (10) is deactivated by a computer unit (20) with the aid of a switching means (18) for a defined time period (Toff). Within the defined time period (Toff), at least one subsequent time (ta, tb), an induced voltage (U) of the direct current motor (10) is measured and forwarded to the computer unit (20). The direct current motor (10) remains deactivated if the induced voltage (U) undershoots a predetermined threshold value (Uth), or the direct current motor (10) is reactivated if the induced voltage (U) of the direct current motor (10) does not undershoot the predetermined threshold value (Uth).
    • 提出了用于检测直流电动机(10)的阻塞装置的方法和使用方法,特别是用于机动车辆的鼓风机的直流电动机(10)。 借助于切换装置(18)在一定时间段内(Toff),直流电动机(10)由计算机单元(20)停用。 在定义的时间段(Toff)内,测量直流电动机(10)的至少一个后续时间(ta,tb),感应电压(U)并将其转发到计算机单元(20)。 如果感应电压(U)下冲预定的阈值(Uth),则直流电动机(10)将保持停用,或直流电动机(10)的感应电压(U) 不会超过预定阈值(Uth)。
    • 6. 发明申请
    • Method and Apparatus for Detecting Blocking of a Direct Current Motor
    • 用于检测直流电动机阻塞的方法和装置
    • US20080303461A1
    • 2008-12-11
    • US11570960
    • 2005-06-01
    • Norbert KnabNikolas HaberlFrank FischerJoerg Eichhorn
    • Norbert KnabNikolas HaberlFrank FischerJoerg Eichhorn
    • H02H7/085H02P1/00
    • H02H7/093
    • Both a method and a use by this method of an apparatus for detecting blocking of a direct current motor (10), in particular a direct current motor (10) for a blower of a motor vehicle, is presented. The direct current motor (10) is deactivated by a computer unit (20) with the aid of a switching means (18) for a defined time period (Toff). Within the defined time period (Toff), at least one subsequent time (ta, tb), an induced voltage (U) of the direct current motor (10) is measured and forwarded to the computer unit (20). The direct current motor (10) remains deactivated if the induced voltage (U) undershoots a predetermined threshold value (Uth), or the direct current motor (10) is reactivated if the induced voltage (U) of the direct current motor (10) does not undershoot the predetermined threshold value (Uth).
    • 提出了用于检测直流电动机(10)的阻塞装置的方法和使用方法,特别是用于机动车辆的鼓风机的直流电动机(10)。 借助于切换装置(18)在一定时间段内(Toff),直流电动机(10)由计算机单元(20)停用。 在定义的时间段(Toff)内,测量直流电动机(10)的至少一个后续时间(ta,tb),感应电压(U)并将其转发到计算机单元(20)。 如果感应电压(U)下冲预定的阈值(Uth),则直流电动机(10)将保持停用,或直流电动机(10)的感应电压(U) 不会超过预定阈值(Uth)。