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    • 44. 发明授权
    • Circuit breaker, and accessory switches thereof
    • 断路器及其附件开关
    • US06559745B2
    • 2003-05-06
    • US09943529
    • 2001-08-30
    • Hideto YamagataNaoshi UchidaKoji AsakawaKentaro ToyamaKoji Nomura
    • Hideto YamagataNaoshi UchidaKoji AsakawaKentaro ToyamaKoji Nomura
    • H01H6702
    • H01H71/501H01H71/04H01H71/465
    • In relation to a circuit breaker, a left-side accessory switch storage section and a right-side accessory switch storage section are provided in a breaker case 1. A contact point of an ancillary switch 7 provided in one of the accessory switch storage sections is opened or closed in conjunction with an output protrusion 6a formed on an open-close lever 6 of an open-close mechanism section 3 on the main unit. A contact point of an alarm switch 9 provided in the remaining accessory switch storage section is opened or closed in conjunction with an alarm output plate 8 which operates in association with tripping action of the breaker. The output protrusion 6a is caused to oppose an operation lever 7a of an ancillary switch which is formed into a symmetrical bifurcated shape and which is provided in the accessory switch storage section. The alarm output plate constitutes a pivotal lever coupled to a toggle shaft 3a of the open-close mechanism section. An output protrusion 8a provided at the extremity of the pivotal lever is caused to oppose an operation lever 9a of the alarm switch provided in the accessory switch storage section.
    • 关于断路器,左侧的附件开关存储部分和右侧附件开关存储部分设置在断路器壳体1中。设置在附件开关存储部分之一中的辅助开关7的接触点是 与形成在主单元上的开闭机构部3的开闭杆6上的输出突起6a一起打开或关闭。 设置在其余附件开关存储部分中的报警开关9的接触点与与断路器的跳闸动作相关联地操作的报警输出板8打开或关闭。 使输出突起6a与辅助开关的操作杆7a相对置,该辅助开关形成为对称的分叉形状并设置在附件开关存储部中。 报警输出板构成与开闭机构部的肘杆3a连接的枢转杆。 设置在枢转杆的末端的输出突起8a与设置在附件开关存储部中的报警开关的操作杆9a相对。
    • 45. 发明授权
    • Circuit breaker
    • 断路器
    • US06472971B2
    • 2002-10-29
    • US09785561
    • 2001-02-20
    • Kentaro ToyamaNaoshi UchidaKoji AsakawaIsamu Ohshima
    • Kentaro ToyamaNaoshi UchidaKoji AsakawaIsamu Ohshima
    • H01H7116
    • H01H71/52H01H73/045
    • A circuit breaker includes main circuit contact shoes disposed in a circuit breaker case and urged by a contact spring, a contact opening and closing mechanism located above the contact shoes and including an opening and closing lever, a toggle link, an opening and closing handle and a latch, and an overcurrent tripping device located above the contact shoes. The toggle link includes a first link extending between the opening and closing lever and a toggle shaft located above, and a second link extending between the toggle shaft and the latch to overlap the first link in the V-form, and an opening and closing spring extends between the toggle shaft and a tip of a handle lever coupled to the opening and closing handle to extend downward. As a result, a space occupied by the contact opening and closing mechanism section in the height direction can be reduced to make the circuit breaker more compact.
    • 断路器包括设置在断路器壳体中并由接触弹簧推动的主电路接触靴,位于接触靴上方的触点开闭机构,包括开闭杆,肘节连杆,开关手柄和 闩锁和位于接触鞋上方的过电流跳闸装置。 肘节连杆包括在开闭杆之间延伸的第一连杆和位于上方的肘杆,以及在肘节轴和闩锁之间延伸以与V形中的第一连杆重叠的第二连杆,以及开/关弹簧 延伸在肘节轴和连接到打开和关闭手柄的手柄杆的尖端之间以向下延伸。 结果,可以减小接触开闭机构部在高度方向上占据的空间,使断路器更紧凑。
    • 46. 发明授权
    • Circuit breaker with metal melt isolation device
    • 断路器带金属熔体隔离装置
    • US6150908A
    • 2000-11-21
    • US379794
    • 1999-08-24
    • Koji AsakawaNaoshi UchidaMitsuyoshi YamazakiJun OyamaKentaro Toyama
    • Koji AsakawaNaoshi UchidaMitsuyoshi YamazakiJun OyamaKentaro Toyama
    • H01H71/02H01H67/02
    • H01H71/02H01H2009/305
    • An insulated container of a circuit breaker is divided into three vertically-arranged portions including a case, a middle case, and a cover. A fixed contact shoe and a movable contact shoe are accommodated in the case. An opening and closing mechanism and an overcurrent trip device are accommodated in the middle case. A holder slidably passing through a hole in a bottom wall of the middle case by an operation of the opening and closing mechanism is moved linearly and perpendicularly to the bottom wall to open and close the movable contact shoe. A gap in the hole between the holder and the bottom wall is very small due to the straight movement of the holder, so that an arc gas generated in the case is completely shut down by the bottom wall and does not reach the opening and closing mechanism in the middle case during current interruption.
    • 断路器的绝缘容器被分成三个垂直布置的部分,包括壳体,中间壳体和盖子。 一个固定接触靴和一个活动接触鞋容纳在壳体中。 在中间壳体中容纳开闭机构和过电流跳闸装置。 通过打开和关闭机构的操作可滑动地穿过中间壳体的底壁中的孔的保持器线性地并且垂直于底壁移动以打开和关闭可动接触靴。 保持器和底壁之间的孔中的间隙由于保持器的直线移动而非常小,使得在壳体中产生的电弧气体被底壁完全关闭,并且没有到达打开和关闭机构 在中断情况下在当前中断期间。
    • 49. 发明申请
    • CIRCUIT BREAKER
    • 电路断路器
    • US20120152705A1
    • 2012-06-21
    • US13381290
    • 2010-06-01
    • Masaaki NakanoKentaro ToyamaMakoto Osawa
    • Masaaki NakanoKentaro ToyamaMakoto Osawa
    • H01H9/02
    • H01H71/08H01H9/52H01H71/16H01H73/20
    • Provided is a circuit breaker capable of minimizing a change in the structure of, for example, a case even when a material (thermal conductivity) forming a stud is changed.A stud (20) includes a base portion (21) that is provided in a case (2) and a protruding portion (22) that protrudes from the case (2). The cross-sectional area of the protruding portion (22) is more than that of the base portion (21). When the cross-sectional area of the protruding portion (22) is more than that of the base portion (21) in the stud (20), the thermal conductivity of the protruding portion (22) increases and it is possible to increase the thermal conductivity from the protruding portion (22) to an external conductor connected to the stud. In addition, since the surface area of the protruding portion (22) increases, the amount of heat dissipated from the protruding portion (22) increases. In this case, since the dimensions of the base portion (21) inserted into a stud insertion hole (2b) of the case (2) do not vary, it is not necessary to change the dimensions of the insertion hole (2b) of the case (2). Therefore, it is possible to minimize a change in the structure of a component even when the material forming the stud is changed.
    • 即使当形成螺柱的材料(导热性)改变时,也能够使例如壳体的结构变化最小化的断路器。 螺柱(20)包括设置在壳体(2)中的基部(21)和从壳体(2)突出的突出部分(22)。 突出部(22)的截面积大于基部(21)的截面积。 当突出部分(22)的横截面积大于螺柱(20)中的基部(21)的横截面积时,突出部分(22)的热导率增加,并且可以增加热量 从突出部分(22)到连接到螺柱的外部导体的导电性。 此外,由于突出部(22)的表面积增加,从突出部(22)散发的热量增加。 在这种情况下,由于插入到壳体(2)的螺栓插入孔(2b)中的基部(21)的尺寸不变化,因此不需要改变插入孔(2b)的尺寸 情况(2)。 因此,即使当形成螺柱的材料发生变化时,也可以最小化部件结构的变化。