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    • 1. 发明申请
    • Device and Method for Switching Electrical Load Circuits
    • 用于切换电气负载电路的装置和方法
    • US20140347150A1
    • 2014-11-27
    • US14368197
    • 2012-10-06
    • Daimler AG
    • Sascha Schulte
    • H01H36/00
    • H01H36/0073H01H3/001H01H50/546H01H71/26
    • A device and method for switching electrical load circuits involve the use of an overload contact integrated in an exciting current circuit of a magnetic coil. The electrical load circuits include an electromagnetic contactor having a magnetic drive formed from a magnet yoke with a magnet coil and a magnet armature to which a contact bridge is coupled as a movable contactor contact by a contact retainer. In the switched-on state the contactor generates a magnetic retaining force for contacting the contact bridge with fixed contacts. The retaining force results from a magnetic field generated by the magnet coil, and the retaining force is greater than an armature opening force. The overload contact is integrated in the exciting current circuit of the magnet coil in such a manner that that when the exciting current circuit is closed and a movement of the contact bridge against the magnetic retaining force occurs, the magnet coil can be short-circuited by closing the overload contact.
    • 用于切换电负载电路的装置和方法涉及使用集成在电磁线圈的励磁电流电路中的过载接触。 电气负载电路包括具有由具有磁体线圈的磁轭形成的磁驱动的电磁接触器以及由接触保持器作为可动接触器接触而将接触桥连接到的电磁铁。 在接通状态下,接触器产生用于使接触桥与固定触点接触的磁力保持力。 保持力由磁体线圈产生的磁场产生,并且保持力大于衔铁打开力。 过载触点集成在电磁线圈的励磁电流电路中,使得当激励电流电路闭合并且接触桥抵抗磁保持力的移动发生时,磁体线圈可以被短路 关闭过载接触。
    • 2. 发明授权
    • Device and method for switching electrical load circuits
    • 用于切换电气负载电路的装置和方法
    • US09111705B2
    • 2015-08-18
    • US14368197
    • 2012-10-06
    • Daimler AG
    • Sascha Schulte
    • H01H9/00H01H36/00H01H3/00H01H71/26H01H50/54
    • H01H36/0073H01H3/001H01H50/546H01H71/26
    • A device and method for switching electrical load circuits involve the use of an overload contact integrated in an exciting current circuit of a magnetic coil. The electrical load circuits include an electromagnetic contactor having a magnetic drive formed from a magnet yoke with a magnet coil and a magnet armature to which a contact bridge is coupled as a movable contactor contact by a contact retainer. In the switched-on state the contactor generates a magnetic retaining force for contacting the contact bridge with fixed contacts. The retaining force results from a magnetic field generated by the magnet coil, and the retaining force is greater than an armature opening force. The overload contact is integrated in the exciting current circuit of the magnet coil in such a manner that that when the exciting current circuit is closed and a movement of the contact bridge against the magnetic retaining force occurs, the magnet coil can be short-circuited by closing the overload contact.
    • 用于切换电负载电路的装置和方法涉及使用集成在电磁线圈的励磁电流电路中的过载接触。 电气负载电路包括具有由具有磁体线圈的磁轭形成的磁驱动的电磁接触器以及由接触保持器作为可动接触器接触而将接触桥连接到的电磁铁。 在接通状态下,接触器产生用于使接触桥与固定触点接触的磁力保持力。 保持力由磁体线圈产生的磁场产生,并且保持力大于衔铁打开力。 过载触点集成在电磁线圈的励磁电流电路中,使得当激励电流电路闭合并且接触桥抵抗磁保持力的移动发生时,磁体线圈可以被短路 关闭过载接触。