| 摘要 |
PROBLEM TO BE SOLVED: To simplify a fluid sealing work after taking out and replacement of an internal sealing fluid of an electric equipment by providing a construction in which an external mechanism unit can be attached or detached as a single unit. SOLUTION: An internal mechanism unit 3 detects the behavior of an internal sealing fluid 2 of an electric equipment container 1 with a fluid detector 4, and transmits it to an internal magnet 6 attached to a tip portion of a shaft 5. A partition plate 8 is attached to the electric equipment container 1 through a gasket 9 and prevent any leakage of the internal sealing fluid 2 to the outside. An external mechanism unit 10 comprises an external magnet 12, shaft 13, switch 14, pointer 15, pull-out terminal 20 and terminal box 21 and the like. The body 11 is fixed to the electric equipment container 1 with bolts or the like in a detachable manner. The internal magnet 6 and the external magnet 12 are magnetically coupled through the partition plate 8, and the behavior of the internal sealing fluid of the electric equipment is transmitted to the pointer 15 and the switch 14. |
