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    • 6. 发明授权
    • Remote control circuit breaker system
    • 远程控制断路器系统
    • US3706100A
    • 1972-12-12
    • US3706100D
    • 1972-01-19
    • CUTLER HAMMER INC
    • HALBECK WERNER BQUAAL JOHN AROBBINS CLYDE FRUTCHIK WALTER L
    • H01H71/46H01H75/12H01H83/20H02H3/08H02H7/00H02B1/00
    • H01H75/12H01H71/46H01H83/20H01H2083/203H02H3/083H02H7/005
    • A REMOTE CONTROL CIRCUIT BREAKER SYSTEM IN WHICH AN ELECTRONIC LOGIC UNIT IS BUILT INTO A MAIN ELECTROMAGNETICALLY OPERATED CIRCUIT BREAKER TO ACT AS THE CONTROLLING INTERFACE BETWEEN THE LATTER AND REMOTELY LOCATED PILOT CONTROL-CIRCUIT BREAKER UNIT. IN ADDITION TO DIRECTING MAIN CIRCUIT BREAKER OPERATION TO PROVIDE CLOSING AND OPENING OF THE SAME IN CORRESPONDENCE WITH THE OPERATION OF THE PILOT UNIT, THE LOGIC UNIT RESPONDS ON OVERLOAD TRIP OPEN OF THE MAIN CIRCUIT BREAKER TO SUBJECT THE PILOT UNIT TO A CONTROLLED VALUE OF SIMULATED OVERLOAD CURRENT AS WILL CAUSE THE LATTER TO TRIP OPEN AND AFFORD INDICATION OF THE OCCURENCE OF OVERLOAD TRIPPING IN THE MAIN CIRCUIT BREAKER. THE LOGIC UNIT ALSO AFFORDS COORDINATION OF A PLURALITY OF SUCH CIRCUIT BREAKERS IN A MULTIPHASE A.C SYSTEM SO THAT ALL WILL BE RESPONSIVE TO THE OPERATION OF A SINGLE REMOTE PILOT UNIT, AND WILL ALSO TRIP OPEN FOLLOWING OVERLOAD RESPONSE OF ANY THEREOF. FURTHER THE LOGIC UNIT AUTOMATICALLY FUNCTIONS IN THE EVENT OF A FAULT OCCURRING IN THE PILOT UNIT OR THE LINE CONNECTING IT WITH THE MAIN BREAKER TO LIMIT THE VALUE OF FAULT TO A NON-DESTRUCTIVE VALUE, AND PREVENT REPEATED CIRCUIT BREAKER CYCLING IN THE EVENT THE PILOT BREAKER FAILS TO OPEN. THE MAIN CIRCUIT BREAKER USES DOUBLE-BREAK CONTACTS AND PERMANENT MAGNET LATCHING TO IMPROVE ITS ARC RUPTURE WITHSTABILITY AND ELIMINATE THE NECESSITY OF CONTINUOUS ENERGIZATION OF ITS ELECTROMAGNETIC OPERATING COILS. THE OVERLOAD TRIP MECHANISM IN THE MAIN CIRCUIT BREAKER USES A LOW FRICTION LATCH, AND TOGETHER WITH AMBIENT TEMPERATURE COMPENSATION IN THE BIMETAL LATCH RELEASE ENCHANCES THE TRIP POINT PRECISION.
    • 7. 发明授权
    • Remote control circuit breaker system
    • 远程控制断路器系统
    • US3706916A
    • 1972-12-19
    • US3706916D
    • 1972-01-19
    • CUTLER HAMMER INC
    • HALBECK WERNER BQUAAL JOHN AROBBINS CLYDE FRUTCHIK WALTER LRYCZEK LAWRENCE J
    • H01H75/12H02H7/00H02H3/08
    • H01H75/12H02H7/005
    • A remote control circuit breaker system in which an electronic logic unit is built into a main electromagnetically operated circuit breaker to act as the controlling interface between the latter and a remotely located pilot control-circuit breaker unit. In addition to directing main circuit breaker operation to provide closing and opening of the same in correspondence with the operation of the pilot unit, the logic unit responds on overload trip open of the main circuit breaker to subject the pilot unit to a controlled value of simulated overload current as will cause the latter to trip open and afford indication of the occurrence of overload tripping in the main circuit breaker. The logic unit also affords coordination of a plurality of such circuit breakers in a multiphase A.C. system so that all will be responsive to the operation of a single remote pilot unit, and will also trip open following overload response of any thereof. Further the logic unit automatically functions in the event of a fault occurring in the pilot unit or the line connecting it with the main breaker to limit the value of fault to a non-destructive value, and prevents repeated circuit breaker cycling in the event the pilot breaker fails to open. The main circuit breaker uses double-break contacts and permanent magnet latching to improve its arc rupture withstandability and eliminate the necessity of continuous energization of its electromagnetic operating coils. The overload trip mechanism in the main circuit breaker uses a low friction latch, and together with ambient temperature compensation in the bimetal latch release enhances the trip point precision.
    • 一种遥控断路器系统,其中电子逻辑单元内置在主电磁操作断路器中,用作后者和远程位置的先导控制断路器单元之间的控制接口。 除了指示主断路器操作以提供与导向单元的操作相对应的关闭和打开之外,逻辑单元响应主断路器的过载跳闸打开以使导频单元受控于模拟的控制值 过载电流将导致后者断开,并提供主断路器过载跳闸发生的指示。 逻辑单元还提供多相交直流系统中的多个这样的断路器的协调,使得所有这些断路器都将响应于单个远程导频单元的操作,并且还将在其任何一个的过载响应之后跳闸打开。 此外,在导频单元中发生故障或与主断路器连接的线路的情况下,逻辑单元自动工作,以将故障值限制为非破坏性值,并且防止在导频 断路器无法打开。 主断路器采用双断触点和永磁锁闩,以提高其电弧破裂耐受性,消除电磁操作线圈连续通电的必要性。 主断路器中的过载跳闸机构使用低摩擦锁存器,并且与双金属闩锁释放中的环境温度补偿一起增加了跳闸点精度。
    • 9. 发明授权
    • Auxiliary switch for an electromagnetic relay
    • 辅助开关用于电磁继电器
    • US3680016A
    • 1972-07-25
    • US3680016D
    • 1971-06-23
    • CUTLER HAMMER INC
    • BECKER ALBERT HHART JOSEPH MQUAAL JOHN A
    • H01H50/04H01H50/54
    • H01H50/045
    • One or two auxiliary switches are built into an electromagnetic relay. At each side of the relay, up to three auxiliary terminal inserts are molded in the relay base, each having a screw connector on the outside, and on the inside of the relay housing either a stationary contact, a wire (solder) connector, or both, thus affording a choice of a number of different auxiliary switching and relay coil connection arrangements as auxiliary functions to be performed simultaneously with the main power switching function of the relay. A support for a single-pole double-throw movable contact for the auxiliary switch is molded integrally on each of the left and right ends of the relay contact support that is rigidly secured to the relay armature for rocking movement therewith, and a movable contact is mounted on one or both supports and connected by a wire to the center auxiliary terminal at that side of the base. This provides an auxiliary switch structure having low contact bounce, more overtravel, direct drive, increased reliability and stability under vibration, and economy.
    • 一个或两个辅助开关内置在电磁继电器中。 在继电器的每一侧,最多三个辅助端子插入件模制在继电器底座中,每个在外部具有螺钉连接器,并且在继电器壳体的内侧上具有固定触点,线(焊接)连接器或 因此,可以选择多个不同的辅助开关和继电器线圈连接装置作为与继电器的主电源开关功能同时执行的辅助功能。 一体地支撑用于辅助开关的单刀双掷可动触头,其一体地被模制在继电器触点支架的左右端部上,其刚性地固定到继电器衔铁上以便与之摇摆,并且可动触点是 安装在一个或两个支撑上,并通过导线连接到基座的该侧的中心辅助端子。 这提供了一种辅助开关结构,其具有低接触反弹,更大的超程,直接驱动,增加的可靠性和振动下的稳定性以及经济性。