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    • 5. 发明授权
    • Protective device and method for its operation
    • 保护装置及其操作方法
    • US08243409B2
    • 2012-08-14
    • US12449399
    • 2007-02-07
    • Bardo KoppmannSiegfried NeumannLudwig NieblerBernhard StreichAlf WabnerNorbert Zimmermann
    • Bardo KoppmannSiegfried NeumannLudwig NieblerBernhard StreichAlf WabnerNorbert Zimmermann
    • H02H3/08H02H9/02
    • H01H71/125
    • A protective device is disclosed for combination with an electrical switching device including a main current line or for integration in such a switching device. In at least one embodiment, the protective device includes a switching element and a switching apparatus, which is provided for the actuation of the switching element and is influenced by a current flow through the main current line. In at least one embodiment, in order to influence the switching apparatus, a current transformer is integrated in the main current line and an electrical resistance of a secondary winding surrounded by the current transformer can be measured. A method for operating a protective device is also disclosed wherein the switching apparatus is triggered so as to actuate the switching element if the measured resistance reaches or exceeds a predetermined or predeterminable threshold value.
    • 公开了一种与包括主电流线或用于集成在这种开关装置中的电开关装置组合的保护装置。 在至少一个实施例中,保护装置包括开关元件和开关装置,其被设置用于致动开关元件并且受到通过主电流线的电流的影响。 在至少一个实施例中,为了影响开关装置,电流互感器集成在主电流线中,并且可以测量由电流互感器包围的次级绕组的电阻。 还公开了一种用于操作保护装置的方法,其中如果所测量的电阻达到或超过预定或可预定的阈值,则开关装置被触发以便致动开关元件。
    • 6. 发明授权
    • Method and device for securely operating a switching device
    • 用于安全操作开关装置的方法和装置
    • US07812696B2
    • 2010-10-12
    • US11793498
    • 2005-12-22
    • Peter HartingerLudwig NieblerFritz PohlNorbert Zimmermann
    • Peter HartingerLudwig NieblerFritz PohlNorbert Zimmermann
    • H01H67/02
    • H01H3/001H01H1/0015H01H1/20H01H2071/044
    • A method and a device for secure operation of a switching device including at least two main contacts which can be switched on and off and include contact pieces and a displaceable contact bridge, and a control magnet having a displaceable anchor. The method may include producing an electric control signal to release a contact breaking device when the control magnets are switched on and off. The emitted control signal lies outside the ON state of the switching contact during the regular operation of the switching device and releasing the contact breaking device in defective operation of the switching device if the switching contact remains in the ON state when the control magnets are switched on or off. The switching contact may connect through the control signal to release the contact breaking device.
    • 一种用于安全操作开关装置的方法和装置,包括至少两个可接通和断开的主触头,包括接触片和可移位接触桥,以及具有可移位锚的控制磁体。 该方法可以包括当控制磁体被接通和断开时产生电控制信号以释放触点断开装置。 如果开关装置的正常操作中发生的控制信号位于开关触点的接通状态之外,并且当控制磁体接通时开关装置的开启触点保持在导通状态 或关闭。 开关触点可以通过控制信号连接以释放触点断开装置。
    • 9. 发明申请
    • Switching device, in particular a compact starter
    • 开关器件,特别是紧凑型起动器
    • US20090273419A1
    • 2009-11-05
    • US12310791
    • 2006-09-07
    • Norbert MitlmeierNorbert Zimmermann
    • Norbert MitlmeierNorbert Zimmermann
    • H02H7/22H02H7/00H01H51/00
    • H01H89/06H01H71/504H01H2089/065
    • In one example embodiment of the present application, the switching device includes a first switching point for normal switching of at least one current path, and includes a second switching path for disconnection of a short-circuit current. The first and second switching points are connected in series, and are accommodated in a common enclosure. Electrical connections and, if required, a control connection for inputting a switching command, are provided in or on the enclosure for connection of the current paths. The first switching point is designed for a maximum continuous current. The second switching point is designed to disconnect a short-circuit current which is a multiple of the maximum continuous current. The first switching point includes at least one main contact which can withstand a short-circuit at least for the time by means of a contact holding system or a contact locking system.
    • 在本申请的一个示例实施例中,开关装置包括用于至少一个电流路径的正常切换的第一切换点,并且包括用于断开短路电流的第二切换路径。 第一和第二开关点串联连接,并容纳在共同的外壳中。 如果需要,电气连接和用于输入切换命令的控制连接被提供在外壳中或外壳上,用于连接当前路径。 第一个开关点设计用于最大连续电流。 第二个开关点设计用于断开短路电流,该短路电流是最大连续电流的倍数。 第一开关点包括至少一个主触点,其至少借助于触点保持系统或触点锁定系统至少可以承受短路。