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    • 12. 发明专利
    • Safety blocking device of power tool having rotation type tool bit
    • 具有旋转类型工具位的电动工具安全闭锁装置
    • JP2011093091A
    • 2011-05-12
    • JP2010281829
    • 2010-12-17
    • Black & Decker Incブラック アンド デッカー インクBlack & Decker Inc.
    • JACUBASCH ANDREASREINHARD PRIETSCHFREY CHRISTANKUNTZE HELGE-BJOERN
    • B25D17/10B25F5/00G05B9/02G05B13/02
    • G05B13/0285B25F5/00G05B9/02
    • PROBLEM TO BE SOLVED: To create an accurate probability of a block accident without requiring the application of the sufficient and detailed knowledge of physical characteristics of a power tool that causes the block accident.
      SOLUTION: A safety blocking device for a portable electric tool having a rotation drive type bit (8) is intended for preventing the accident caused by the blocked bit. The safety blocking device includes at least one sensor (56 and the like) for detecting the operation state of the tool and creating a sensor signal representing the operation state, and blocking devices (38, 80) for blocking the rotation drive to the tip from a motor (10). A processing unit (42) includes neural networks (50 and the like) responding to the sensor signal, or a signal for creating a summed probability signal representing the probability of the block accident, and coping with the case that the summed probability signal exceeds a preset threshold for causing operations of the blocking devices.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了创建块事故的准确概率,而不需要应用导致堵车事故的电动工具的物理特性的足够详细的知识。 解决方案:用于具有旋转驱动型钻头(8)的便携式电动工具的安全阻挡装置旨在用于防止由堵塞的钻头引起的事故。 安全阻断装置包括用于检测工具的操作状态和产生表示操作状态的传感器信号的至少一个传感器(56等),以及用于阻止对尖端的旋转驱动的阻挡装置(38,80) 电动机(10)。 处理单元(42)包括响应于传感器信号的神经网络(50等),或者产生表示块事故概率的求和概率信号的信号,并且应对总和概率信号超过 阻塞装置的操作的预设阈值。 版权所有(C)2011,JPO&INPIT