Patent ID: 9035643
Filing Date: 2015-05-19
Classification: G01R,Y10T

Abstract:
1. An electric current detector, comprising: an outer case; an annular core having a magnetic gap G; an electromagnetic conversion element which is located in the magnetic gap of the core and detects a magnitude of an electric current passing through the core, the annular core and the electromagnetic conversion element arranged in the outer case; and a mold resin portion configured to cover an outer peripheral surface of the core over a part of an overall length along a magnetic path thereof and be molded at one or a plurality of portions along the magnetic path to configure an integral core component in the core, the core component being fixed into the outer case, wherein the core has a polygonal shape having a plurality of corners, and the mold resin portion is formed to cover at least one of the corners, and wherein the mold resin portion covering the corner of the core is provided at a corner of the outer case, and two surfaces of the mold resin portion make contact with the inner surface of the outer case.