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    • 7. 发明申请
    • Resetable over-current and/or over-temperature protection system
    • 可重置的过电流和/或过温保护系统
    • US20060109074A1
    • 2006-05-25
    • US10995040
    • 2004-11-23
    • Yim-Shu LeeJianqing LiMartin ChowKam-Wah Siu
    • Yim-Shu LeeJianqing LiMartin ChowKam-Wah Siu
    • H01H85/04
    • H01H1/504H01H37/08H01H71/04H01H71/16H01H71/164
    • An electrical protection system, which can be connected between an electrical power supply and an electrical load, firstly includes a switch switchable between a normal state in which the switch is electrically connected in series between the power supply and the load such that an operating current passes through the switch and the load, and a fault sate in which the switch is disconnected with the load such that no current passes through the load. The switch switches to the fault state in an over-current or an over-temperature situation. The system further includes a controller operable in an open state when the switch operates in the normal state, in which state the controller is electrically disconnected from the power supply such that no current passes through the controller, or a closed state when the switch operates in the fault state, in which state the controller is electrically connected in series between the switch and the power supply such that a self-holding current passes through the switch and the controller. The controller operates to automatically set the switch to the normal state when the self-holding current is off.
    • 可以连接在电源和电气负载之间的电气保护系统首先包括可在电源和负载之间串联电连接的正常状态之间切换的开关,使得工作电流通过 通过开关和负载,以及故障状态,其中开关与负载断开,使得没有电流通过负载。 开关在过电流或过温情况下切换到故障状态。 该系统还包括当开关在正常状态下操作时处于打开状态的控制器,在该状态下,控制器与电源电气断开,使得没有电流通过控制器,或者当开关工作在闭合状态时 故障状态,其中控制器在开关和电源之间串联电连接,使得自保持电流通过开关和控制器。 当自保持电流关闭时,控制器自动将开关设置为正常状态。