| CPC H01H 50/42 (2013.01) [H01H 50/546 (2013.01); H01H 51/29 (2013.01)] | 64 Claims |
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1. An arc path generation unit, comprising:
a magnetic frame having a space part in which a fixed contact and a movable contact are accommodated; and
a Halbach array which is positioned in the space part of the magnetic frame to form a magnetic field in the space part, and a magnet part which is provided separately from the Halbach array,
wherein the space part has a length in one direction formed to be longer than a length in the other direction,
wherein the magnetic frame comprises:
a first surface and a second surface which extend in the one direction and are disposed to face each other to enclose a portion of the space part; and
a third surface and a fourth surface which extend in the other direction, are continuous with the first surface and the second surface, respectively, and are disposed to face each other to enclose the remaining portion of the space part,
wherein the Halbach array comprises a plurality of blocks which are arranged side by side in the one direction and formed of a magnetic material, and is positioned adjacent to any one or more surfaces of the first surface and the second surface,
wherein a plurality of magnet parts are provided such that at least any one of the plurality of magnet parts is positioned adjacent to the third surface, and
wherein at least one other of the plurality of magnet parts is positioned adjacent to the fourth surface.
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