VACUUM SWITCH AND A VACUUM SWITCH GEAR, PREVENTING INSULATION BREAKDOWN OF AN END OF AN INSULATION TUBE

摘要

PURPOSE: A vacuum switch and a vacuum switch gear are provided to prevent concentration of an electric field in the end of an insulation tube by covering the end of the insulation tube with a second coil spring.;CONSTITUTION: A vacuum container receives a fixed electrode(6A) and a movable electrode(6B). A solid insulation resin(21) is molded in the outside of the vacuum container. An end plate(3A,3B) covers both ends of the insulation tube. A first coil spring(30) is arranged on an outer circumference of the end plate. A second coil spring(31) is arranged on the outer circumference of the insulation tube to cover an edge of an end surface of the insulation tube. The first and second coil springs, the end plate, and the end of the insulation tube are electrically connected.;COPYRIGHT KIPO 2010