High-pressure multi-oil circuit breaker

• Main Authors: ZHANG ZHIHUA, XU JIANJUN, JI YANGXI, SHAN CHENGYANG, SUN SHOUWEN, WANG WEISHUAI
• Format: Patent
• Language: English
• Published: 29.04.2015
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; RELAYS; SELECTORS

The utility model discloses a high-pressure multi-oil circuit breaker. The high-pressure multi-oil circuit breaker comprises a box body, a box cover, an insulating umbrella, a current transformer, a transformer oil pipe, a sleeve, an arc extinguish chamber, a static contact, a dynamic contact, a connecting rod and an oil tank, wherein the box cover is arranged on the box body; the connecting rod is arranged in the middle of the box body; the transformer oil pipe is arranged at the upper end of the connecting rod; the dynamic contact is arranged at the lower end of the connecting rod; the static contact is arranged on the dynamic contact; the arc extinguish chamber is arranged on the static contact; the sleeve is mounted on the arc extinguish chamber; the insulating umbrella is arranged outside the sleeve. The high-pressure multi-oil circuit breaker is simple in structure, good in electrical contact performance, long in electrical durability, short in arc time, high in transmission system efficiency and high in opening and closing speed, and can meet the growing requirement on a power supply system.