Conductor with external inner cavity and vacuum circuit breaker using same

• Main Authors: CHEN YILONG, LIU JUNXIANG, SU HAIBO, YANG JIN, ZHU LU, YU LIN, HUANG JINGXIA, CHEN JUN, WANG YONG, ZHANG XIANCONG, WANG HONGBIN
• Format: Patent
• Language: Chinese; English
• Published: 03.10.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; RELAYS; SELECTORS

The invention particularly relates to a conductor with an external inner cavity and a vacuum circuit breaker using the same, the vacuum circuit breaker using the conductor with the external inner cavity comprises an arc extinguish chamber sleeve, the upper end of the arc extinguish chamber sleeve is provided with a static end cover plate and an upper conductor fixed at the bottom of the static end cover plate, and the lower end of the arc extinguish chamber sleeve is provided with a lower conductor. The lower conductor adopts a conductor with an external inner cavity, a vacuum arc-extinguishing chamber is arranged between the upper conductor and the lower conductor, the vacuum arc-extinguishing chamber comprises a static conducting rod and a movable conducting rod, the static conducting rod is fixedly connected with the upper conductor, the movable conducting rod is conductively connected with the conducting cylinder, a switching-on and switching-off mechanism is arranged in the conducting cylinder, and the b