CASING FOR POWER ISOLATING DEVICE HAVING TWO SPACE FILLED WITH INSULATING OIL

摘要

PURPOSE: A casing is provided to lengthen the useful life of a power connector by dividing the casing into two spaces and filling the space having the power connector with an insulating oil so as to shut off the space from outside. CONSTITUTION: A casing(100) comprises a housing having an accommodation space including a first space(122) for accommodating a power connector(20) and a second space(124) for accommodating a bus bar(128), wherein the power connector includes a fixed tip(22) and a movable tip(24) for switching power supply to a driving motor, and the bus bar interconnects the power connector and a cable; a first cover attached to the front surface of the first space in such a manner that the first cover is attachable/detachable; a second cover attached to the front surface of the second space in such a manner that the second cover is attachable/detachable; and an insulating oil filling the first space. An isolating wall(114) is arranged between the first space and the second space, wherein the isolating wall has a hole for penetration of a conductor for electrically connecting the bus bar and the power connector. The hole of the isolation wall is maintained air tight at the state where the conductor penetrates through the hole.