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    • 2. 发明申请
    • SAFETY DEVICE FOR A PORTABLE BATTERY-POWERED ELECTRIC APPARATUS
    • 便携式电动电器的安全装置
    • WO1998000899A1
    • 1998-01-08
    • PCT/SE1997001025
    • 1997-06-12
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)MERCKE, JohanFRÄNNHAGEN, Björn
    • H02J07/00
    • H02J7/0031H02J7/0068Y10S320/13Y10T307/625
    • A safety device (10) is provided for a portable battery-powered electric apparatus (11), the apparatus having a battery unit (12) with one or more than one battery cells (13a-b) for supplying power to the electric circuitry (14) in the apparatus and the apparatus being connectable to a charging device (16) for charging the battery unit while maintaining the supply of power to the apparatus. The safety device has a first fuse means (20), which is connected between the battery cells (13a-b) of the battery unit (12) and a first terminal (24) of the apparatus (11) for receiving charging current from the charging device (16), and a second fuse means (21), which is connected between the battery cells of the battery unit and a second terminal (26) of the apparatus (11) for supplying power to the electric circuitry (14) in the apparatus. The fuse means (20, 21) are operatively independent from each other, particularly in that the second fuse means (21) maintains the electric connection between the battery unit and the electric circuitry in the apparatus, even when or if the first fuse means (20) releases or opens in response to an undesired condition in the charging device.
    • 一种用于便携式电池供电的电气设备(11)的安全装置(10),该装置具有电池单元(12),其具有用于向电路供电的一个或多个电池单元(13a-b) 14)在装置和装置中可连接到用于对电池单元充电的充电装置(16),同时保持对装置的电力供应。 安全装置具有连接在电池单元(12)的电池单元(13a-b)和装置(11)的第一端子(24)之间的第一熔丝装置(20),用于接收来自电池单元 充电装置(16)和第二熔丝装置(21),其连接在电池单元的电池单元和装置(11)的第二端子(26)之间,用于向电路(14)供电 该装置。 保险丝装置(20,21)在操作上彼此独立,特别是第二熔丝装置(21)在电池单元和设备中的电路之间保持电连接,即使在第一熔丝装置 20)响应于充电装置中的不期望的状况而释放或打开。