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    • 3. 发明授权
    • Residual-current circuit breaker
    • 剩余电流断路器
    • US08624694B2
    • 2014-01-07
    • US13635783
    • 2011-03-09
    • Gerhard Dobusch
    • Gerhard Dobusch
    • H01H73/12H01H73/00H01H83/06H02H3/00H02H9/08
    • H01H71/00H01H83/04H01H83/144H01H2083/045H02H3/335
    • A residual-current circuit breaker includes a core-balance transformer, a first conductor and a second conductor of an electrical supply system which is to be protected being routed through the core-balance transformer, and a secondary winding being arranged on the core-balance current transformer. The secondary winding is connected to a release by circuitry. A test circuit connecting the first conductor and the second conductor has at least a first test resistor and a reset button, in order to provide accurate checking of an ability of residual current tripping to function, the test circuit has a second test resistor arranged in series with the first test resistor by circuitry. The second test resistor is bridged by a bypass line that is routed through the core-balance transformer and at least one first voltage dependent resistor is arranged in the bypass line by circuitry.
    • 剩余电流断路器包括芯平衡变压器,要被保护的第一导体和第二导体,其被保护通过芯平衡变压器布线,并且次级绕组布置在芯平衡上 电流互感器。 次级绕组通过电路连接到释放。 连接第一导体和第二导体的测试电路至少具有第一测试电阻器和复位按钮,以便准确地检查残余电流跳闸功能的能力,测试电路具有串联布置的第二测试电阻器 第一个测试电阻通过电路。 第二测试电阻由旁路线路桥接,该旁路线路通过铁心平衡变压器,并且至少一个第一电压相关电阻器通过电路布置在旁路线路中。
    • 5. 发明授权
    • Pulse activated magnetic trip/reset mechanism for a ground fault circuit interrupter
    • 用于接地故障电路断路器的脉冲激活磁力跳闸/复位机构
    • US08248192B2
    • 2012-08-21
    • US12685132
    • 2010-01-11
    • Juhai HuYulin ZhangBin LiuJianning Jiang
    • Juhai HuYulin ZhangBin LiuJianning Jiang
    • H01H75/00H01H73/12H01H73/00H01H83/06H02H3/00H02H9/08
    • H01H71/322H01H71/123H01H83/02
    • A pulse activated magnetic trip/reset mechanism for a ground fault circuit interrupter, comprising: (i) a body, (ii) a ferrite core, (iii) a plunger, (iv) a ferrite surrounding, (v) a permanent magnet, (vi) a trip/reset coil, (vii) a reset spring positioned between a plunger block and the body, (viii) a first fixed contact holder having a first fixed contact point, and (ix) a first movable contact holder having a first movable contact point, wherein the first movable contact holder is attached to the body of the plunger such that when the plunger is in its first position (trip position), the first movable contact point is not in contact with the first fixed contact point, and when the plunger is in its second position (reset position), the first movable contact point is in contact with the first fixed contact point.
    • 一种用于接地故障电路断续器的脉冲激励磁跳闸/复位机构,包括:(i)主体,(ii)铁氧体磁芯,(iii)柱塞,(iv)围绕(v)永磁体的铁氧体, (vi)跳闸/复位线圈,(vii)定位在柱塞块和主体之间的复位弹簧,(viii)具有第一固定接触点的第一固定触点保持器,和(ix)第一可动触点保持器, 第一可动接触点,其中第一可动触头保持器附接到柱塞的主体,使得当柱塞处于其第一位置(跳闸位置)时,第一可动触点不与第一固定触点接触, 并且当柱塞处于其第二位置(复位位置)时,第一可动触点与第一固定触点接触。
    • 6. 发明授权
    • Leakage protective plug
    • 漏电保护塞
    • US08183962B2
    • 2012-05-22
    • US12920940
    • 2009-03-04
    • Keqing ZhangJunxin Li
    • Keqing ZhangJunxin Li
    • H01H75/00H01H73/12H01H73/00H01H83/06H01H9/20
    • H01R13/7135H01H83/04H01R24/28H01R2103/00
    • A leakage protective plug comprises a case and electric contacts. A protective cap is fixed on the top of the case and includes a reset button protective cap and a test button protective cap. The reset button protective cap is interiorly provided with a reset button connected with a push rod which in order penetrates an electric contact upper panel, an upper spring, an electric contact lower panel and a lower spring. The electric contact upper panel is provided at a right side thereof with a locking member linked with a brake connecting rod which is linked with a brake plate. The brake plate is located at a lower right side of the locking member. Below the brake plate are disposed an electromagnet pole shoe, an electromagnet coil, and an electromagnet core. The test button protective cap is provided with a test button having a test electric contact.
    • 泄漏保护塞包括外壳和电触点。 保护盖固定在外壳的顶部,包括复位按钮保护盖和测试按钮保护盖。 复位按钮保护帽内部设置有与推杆连接的复位按钮,其按照电触头上面板,上弹簧,电触点下面板和下弹簧的顺序进行。 电接触上板在其右侧设置有与与制动板连接的制动器连接杆连接的锁定构件。 制动板位于锁定构件的右下侧。 在制动板下面配置有电磁铁杆,电磁线圈和电磁铁芯。 测试按钮保护盖设有一个具有测试电气接触的测试按钮。