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    • 5. 发明公开
    • A TAP-CHANGER FOR OIL-FILLED ELECTRIC TRANSFORMERS
    • ABZAPFWECHSLERFÜRÖLGEFÜLLTE,ELEKTRISCHE TRANSFORMATOREN
    • EP3007193A1
    • 2016-04-13
    • EP15188801.3
    • 2015-10-07
    • Elettromaule Component S.r.l.
    • DE PERON, Marco
    • H01H3/52H01H3/40H01H3/50H01H9/00H01H15/08
    • H01H3/52H01H3/40H01H3/50H01H9/0016H01H15/08
    • A tap-changer for oil-filled electric transformers comprising: a guide element (2) provided with a plurality of electric contacts (3) and a slide (4) slidable along the guide element (2) to change the electric connection between two or more of the electric contacts (3); moving means (5) of the slide (4) comprising a driving group (6) having at least one rotatable portion (8) and defining a plurality of discrete positions of the slide (4) with respect to the guide element (2), each one corresponding to a different electric connection between the electric contacts (3). The moving means (5) comprising: a ring-nut (20) susceptible to be put in rotation by the driving group (6) and whose side surface has two or more flat surfaces (21); a core (23) counter-moved with the side surface of the ring-nut (20), the portion (24) of the core (23) faced towards the ring-nut (20) having a flat surface (25) susceptible to be arranged one-to-one with the flat surfaces (21) of the side surface of the ring-nut (20) when the slide (4) and the guide element (2) are placed in correspondence of one of the discrete positions.
    • 一种用于充油电力变压器的分接开关,包括:引导元件(2),设置有多个电触头(3)和可沿着引导元件(2)滑动的滑块(4),以改变两个或 更多的电触点(3); 所述滑动件(4)的移动装置(5)包括具有至少一个可旋转部分(8)并且限定所述滑动件(4)相对于所述引导元件(2)的多个离散位置的驱动组(6) 每个对应于电触头(3)之间的不同电连接。 移动装置(5)包括:容易被驱动组(6)旋转并且其侧表面具有两个或多个平坦表面(21)的环形螺母(20); 与所述环形螺母(20)的侧表面反向移动的芯部(23),所述芯部(23)的面向所述环形螺母(20)的部分(24)具有易受 当滑块(4)和引导元件(2)对应于离散位置之一时,与环形螺母(20)的侧表面的平坦表面(21)一一布置。
    • 8. 发明公开
    • Electromagnetic relay
    • 电磁继电器
    • EP2889886A1
    • 2015-07-01
    • EP14192786.3
    • 2014-11-12
    • OMRON CORPORATION
    • Yamamoto, ShinyaAso, Tatsuo
    • H01H3/50H01H15/10H01H50/32
    • H01H50/326H01H3/50H01H15/102H01H2300/024
    • An electromagnetic relay (1) includes a slide switch (2). The slide switch (2) includes a cover (70), and a slide lever (80) and an elastic test button (90) each housed in the cover (70). The cover (70) has an operation hole (71) formed in an opposite surface to one surface of a case (40). The operation hole (71) allows the sliding operation of the slide lever (80). The slide lever (80) is disposed to block the operation hole (71). The elastic test button (90) presses the slide lever (80) to bring the slide lever (80) into press contact with a ceiling surface (70b) of the cover (70). The slide switch (2) of the electromagnetic relay (1) inhibits the entry of foreign matters into the case (40), and prevents a contact failure or an actuation failure.
    • 电磁继电器(1)包括滑动开关(2)。 滑动开关(2)包括盖(70)和分别容纳在盖(70)中的滑动杆(80)和弹性测试按钮(90)。 盖(70)具有形成在与壳体(40)的一个表面相对的表面中的操作孔(71)。 操作孔(71)允许滑动杆(80)的滑动操作。 滑动杆(80)设置成阻挡操作孔(71)。 弹性测试按钮(90)按压滑动杆(80),使滑动杆(80)与盖(70)的顶面(70b)压接。 电磁继电器(1)的滑动开关(2)抑制异物进入壳体(40),并防止接触故障或致动故障。
    • 9. 发明公开
    • Electrical Switch
    • Elektrischer Schalter
    • EP2846341A1
    • 2015-03-11
    • EP13183403.8
    • 2013-09-06
    • Defond Components Limited
    • Lai, Ka Fai
    • H01H13/30H01H13/52H01H1/50H01H3/50H01H13/06H01H9/04
    • H01H13/30H01H1/50H01H3/50H01H13/06H01H13/52H01H2009/048
    • An electrical switch (100) has two switch units (200), each having at least one fixed contact (210A) and a moving contact (230A) supported for pivotal movement during switching operation between an OFF position out of contact with the fixed contact (210A) and an ON position in contact with the fixed contact (210A), and an operating mechanism (300) for moving the two moving contacts (230A & 230B) in tandem between the OFF and ON positions. The operating mechanism (300) has a spring (310) movable between a first position on one side of the two moving contacts (230A & 230B) and resiliently biasing the moving contacts towards the ON positions and a second position on the opposite side of the moving contacts and resiliently biasing the moving contacts towards the OFF positions, and an actuator (320) for moving the spring (310) between the first and second positions past an intermediate position of maximum stress. There is also a detent (400) for adding surmountable resistance against the action of the actuator (320) to move the spring (310) from one of the first and second positions to the other of the first and second positions.
    • 电开关(100)具有两个开关单元(200),每个开关单元具有至少一个固定触点(210A)和可移动触点(230A),该触点(230A)支撑用于在与固定触点断开的OFF位置之间的切换操作期间的枢转运动 210A)和与固定触点(210A)接触的ON位置,以及用于在OFF位置和ON位置之间串联移动两个移动触点(230A和230B)的操作机构(300)。 操作机构(300)具有弹簧(310),该弹簧可在两个移动触点(230A和230B)的一侧的第一位置之间移动,并且弹性地将移动的触点朝向接通位置偏置,而在第二位置 移动的触点和使移动的触点朝向OFF位置弹性偏置;以及致动器(320),用于在第一和第二位置之间移动弹簧(310),超过最大应力的中间位置。 还有一个制动器(400),用于增加抵抗致动器(320)的作用的可克服的阻力,以使弹簧(310)从第一和第二位置之一移动到第一和第二位置中的另一个。