Speed protection system for a machine and a method thereof
    1.
    发明授权
    Speed protection system for a machine and a method thereof 有权
    机器速度保护系统及其方法

    公开(公告)号:US6075685A

    公开(公告)日:2000-06-13

    申请号:US187707

    申请日:1998-11-06

    IPC分类号: H02H7/093 H02H5/00

    CPC分类号: H02H7/093

    摘要: The present invention relates to a speed protection system for monitoring the speed of a rotating shaft in a machine. The speed protection system includes a first speed detection system, a first time delay system, and a first time delay system. The first speed detection system determines a first rotational speed of the shaft in the machine. The first tripping system is coupled to the first speed detection system and to the machine. The first tripping system trips the machine to stop the rotation of the shaft when the first rotational speed is either less than a minimum speed or is more than a maximum speed. The first time delay system is coupled to the first tripping system. The first time delay system prevents the first tripping system from tripping the machine if the first rotational speed is less than the minimum speed until either a first period time has expired or the first rotational speed exceeds a first enabling speed.

    摘要翻译: 本发明涉及一种用于监测机器中旋转轴的速度的速度保护系统。 速度保护系统包括第一速度检测系统,第一时间延迟系统和第一时间延迟系统。 第一速度检测系统确定机器中的轴的第一转速。 第一跳闸系统耦合到第一速度检测系统和机器。 当第一转速小于最小速度或大于最大速度时,第一跳闸系统跳闸机器停止轴的旋转。 第一次延时系统耦合到第一跳闸系统。 如果第一转速小于最小速度直到第一周期时间到期或第一转速超过第一启动速度,则第一延时系统防止第一跳闸系统跳闸机器。