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    • 4. 发明授权
    • Magnetic device for a magnetic trip unit
    • 用于磁力跳闸单元的磁性装置
    • US06980069B2
    • 2005-12-27
    • US10063401
    • 2002-04-18
    • Thomas Gary O'KeeffeChristian DaehlerBiranchi Narayana SahuVarma Dantuluri
    • Thomas Gary O'KeeffeChristian DaehlerBiranchi Narayana SahuVarma Dantuluri
    • H01H71/24H01H71/74H01H75/12
    • H01H71/2472H01H71/2436H01H71/7463
    • A method and magnetic trip unit for actuating a latching mechanism to trip a circuit breaker upon an overcurrent condition, the magnetic trip unit including: a first electrically conductive strap configured to conduct an electrical current; a first magnet yoke disposed proximate to the first electrically conductive strap; and a first armature pivotally disposed proximate to the first magnetic yoke in operable communication with the latching mechanism; the first armature providing a magnetic path having a reluctance to magnetic flux; and the reluctance is adjusted to prevent saturation of the magnetic flux when the current through the strap is a first number times a rated current of the circuit breaker and the reluctance is adjusted to promote saturation of magnetic flux when the current through the strap is a second number times the rated current of the circuit breaker, wherein the first number is a number smaller than the second number.
    • 一种用于致动闭锁机构以在过电流状态下使断路器跳闸的方法和磁脱扣单元,所述磁脱扣单元包括:被配置为传导电流的第一导电带; 靠近所述第一导电带设置的第一磁轭; 以及枢转地布置成靠近所述第一磁轭的第一电枢,其与所述闭锁机构可操作地连通; 所述第一电枢提供具有磁通磁阻的磁路; 并且调节磁阻以防止当通过带的电流是断路器的额定电流的第一数量时磁通量的饱和,并且当电流通过带子的电流为第二时,磁阻被调整以促进磁通量的饱和 数量乘以断路器的额定电流,其中第一数量小于第二数量的数量。
    • 5. 发明申请
    • Magnetic device for a magnetic trip unit
    • 用于磁力跳闸单元的磁性装置
    • US20030197581A1
    • 2003-10-23
    • US10063401
    • 2002-04-18
    • Thomas Gary O'KeeffeChristian DaehlerBiranchi Narayana SahuVarma Dantuluri
    • H01H009/00
    • H01H71/2472H01H71/2436H01H71/7463
    • A method and magnetic trip unit for actuating a latching mechanism to trip a circuit breaker upon an overcurrent condition, the magnetic trip unit including: a first electrically conductive strap configured to conduct an electrical current; a first magnet yoke disposed proximate to the first electrically conductive strap; and a first armature pivotally disposed proximate to the first magnetic yoke in operable communication with the latching mechanism; the first armature providing a magnetic path having a reluctance to magnetic flux; and the reluctance is adjusted to prevent saturation of the magnetic flux when the current through the strap is a first number times a rated current of the circuit breaker and the reluctance is adjusted to promote saturation of magnetic flux when the current through the strap is a second number times the rated current of the circuit breaker, wherein the first number is a number smaller than the second number.
    • 一种用于致动闭锁机构以在过电流状态下使断路器跳闸的方法和磁脱扣单元,所述磁脱扣单元包括:被配置为传导电流的第一导电带; 靠近所述第一导电带设置的第一磁轭; 以及枢转地布置成靠近所述第一磁轭的第一电枢,其与所述闭锁机构可操作地连通; 所述第一电枢提供具有磁通磁阻的磁路; 并且调节磁阻以防止当通过带的电流是断路器的额定电流的第一数量时磁通量的饱和,并且当电流通过带子的电流为第二时,磁阻被调整以促进磁通量的饱和 数量乘以断路器的额定电流,其中第一数量小于第二数量的数量。
    • 8. 发明申请
    • RELEASE MECHANISM FOR CIRCUIT INTERRUPTING DEVICE
    • 电路中断装置的释放机制
    • US20120068794A1
    • 2012-03-22
    • US13232127
    • 2011-09-14
    • Christopher NAZERI
    • Christopher NAZERI
    • H01H75/00
    • H01H71/321H01H71/2436
    • A release mechanism for a circuit interrupting device includes a ferromagnetic main frame through which can flow a current and a ferromagnetic movable core designed to be translated in an opening of the main frame between a first position where the circuit interrupting device remains closed and a second position where the circuit interrupting device is opened. The release mechanism is designed to use the flux generated inside the main frame by the current flowing through it to displace the movable core between its first and second positions. The release mechanism further includes at least two permanent magnets mounted on the main frame on each side of the opening and relatively oriented so as to generate a unidirectional unique magnet flux inside the main frame and the movable core, the magnet flux creating a first force on the movable core that tends to maintain it in its first position.
    • 用于电路中断装置的释放机构包括铁磁主框架,通过所述铁磁主框架可将电流和铁磁可移动芯线设计成在电路中断装置保持关闭的第一位置和第二位置之间流动, 电路中断装置打开的地方。 释放机构被设计成使用通过流过它的电流在主框架内产生的磁通来移动可动磁芯在其第一和第二位置之间。 所述释放机构还包括至少两个永磁体,所述至少两个永磁体安装在所述主框架的所述开口的每一侧上并相对定向以便在所述主框架和所述可移动的芯部内产生单向唯一的磁通量,所述磁通量产生第一力 倾向于将其保持在其第一位置的可动芯。
    • 9. 发明授权
    • Electrical switch
    • 电开关
    • US07623010B2
    • 2009-11-24
    • US10558844
    • 2004-05-28
    • Ping Liu
    • Ping Liu
    • H01H75/00H01H77/00H01H83/00
    • H01H50/32H01H50/546H01H50/60H01H71/2436H01H89/08
    • An electrical switch for connecting and breaking a circuit including a connecting and breaking mechanism for connecting and breaking the circuit provided with at least a set of movable contacts and stationary contacts; a electromagnetism drive mechanism for controlling the contacts to be actuated so as to realize closed circuit; a housing for accommodating the movable contact and stationary contact; an arc-extinguishing mechanism disposed in the housing and corresponded to the movable and stationary contact; a case connected to a base for accommodating the electromagnetism drive mechanism; a bedplate associated with the case; and a holding mechanism disposed on the bedplate for holding the contacts to connect the circuit, the electromagnetic holding mechanism is electromagnetic and has a set of electromagnetic attracting mechanism in which the movable iron core is made to be a pothook or a baffle mechanism, the movable iron core is attracted so that the pothook or baffle keeps the switch closed by means of hitching or ramming the movable bolt when the electromagnetic attracting mechanism is powered on. The electrical switch has a structure in which it has a breakaway mechanism using winding, in which the remanence being small and the feedback force being large and the action of the limiting current being rapid, it can break the large short current as air switch.
    • 一种用于连接和断开电路的电开关,包括用于连接和断开设置有至少一组可动触点和固定触点的电路的连接和断开机构; 电磁驱动机构,用于控制触点被致动以实现闭路; 用于容纳可动触点和固定触点的壳体; 灭弧机构,其设置在所述壳体中并且对应于所述可移动和固定触点; 连接到用于容纳电磁驱动机构的基座的壳体; 与案件相关的底板; 以及保持机构,其设置在所述底板上用于保持所述触点以连接所述电路,所述电磁保持机构是电磁的,并且具有一组电磁吸引机构,其中所述可动铁芯被制成壶形或挡板机构, 铁芯被吸引,使得当电磁吸引机构通电时,挂钩或挡板通过连接或夯​​实可动螺栓来保持开关闭合。 电气开关具有使用绕组的断开机构的结构,其中剩磁小,反馈力大,限制电流的作用快速,可以将大的短路电流作为空气开关断开。