Title:
真空遮断器用の接点監視装置、及びこれを有する真空遮断器
Document Type and Number:
Japanese Patent JP7263623
Kind Code:
B2
Abstract:
The present invention provides a contact monitoring device for a vacuum circuit breaker. The contact monitoring device is provided in a vacuum circuit breaker comprising: a vacuum interrupter having a fixed electrode which is fixed in an insulating container and is provided with a fixed contact at one end, and a movable electrode which is installed in the insulating container to be able to be lifted or lowered wherein the vacuum interrupter is provided with a movable contact at one end, the movable contact contacting or being separated from the fixed contact when the movable electrode is lifted or lowered; and a push rod assembly which is coupled to the other end of the movable electrode and lifts or lowers the movable electrode. In addition, the present invention provides a vacuum circuit breaker having the contact monitoring device.
Inventors:
Seo, Mingyu
Application Number:
JP2022515688A
Publication Date:
April 24, 2023
Filing Date:
May 11, 2020
Export Citation:
Assignee:
LS ELECTRIC CO., LTD.
International Classes:
H01H33/66; H01H31/02; H01H33/42; H01H33/666
Domestic Patent References:
| JP2015528982A | ||||
| JP10321089A | ||||
| JP53006888A | ||||
| JP58195932U | ||||
| JP9282981A | ||||
| JP8241653A | ||||
| JP8069733A |
Foreign References:
| KR101860348B1 |
Attorney, Agent or Firm:
Mitsuhiro Imamura
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