Arc extinguishing system and circuit breaker

The arc extinguishing system comprises an arc extinguishing chamber, the arc extinguishing chamber is arranged in a shell of the circuit breaker, the shell is provided with an exhaust port, an exhaust channel is connected between the exhaust port and an exhaust end of the arc extinguishing chamber,...

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Bibliographic Details
Main Authors ZHANG ZICHENG, JIANG AIMING, WAN HAIFENG, XU YONGFU, HAN YE, GUO KEQI, HONG SHICHANG, WU XIAOLONG, WEI SHANGJING
Format Patent
LanguageChinese
English
Published 16.08.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The arc extinguishing system comprises an arc extinguishing chamber, the arc extinguishing chamber is arranged in a shell of the circuit breaker, the shell is provided with an exhaust port, an exhaust channel is connected between the exhaust port and an exhaust end of the arc extinguishing chamber, two ends of the exhaust channel are communicated with the exhaust end and the exhaust port respectively, and the arc extinguishing system further comprises a pressure adjusting part. The pressure adjusting part is rotationally arranged in the exhaust channel and is driven by the air pressure difference between the exhaust channel and the exhaust end, so that the exhaust channel and the exhaust end are communicated or blocked. According to the invention, through arranging the pressure adjusting member, the pressure adjusting member is driven by the air pressure difference, so that the pressure adjusting member is rotated to be opened or is reset to block the communication between the exhaust channel and the exhaust
Bibliography:Application Number: CN202410535228