| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress an increase in hysteresis of a core 11 and to prevent a fluctuation of gap length G in a current detector including the annular core 11 having a magnetic gap part 111 and a magnetoelectric transducer located in the magnetic gap part 111 of the core 11. <P>SOLUTION: In a current detector relating to the present invention, a mold resin part 2 covering the surface of a core 11 over partial length in the entire length along the magnetic path of the core 11 is molded at one or more places along the magnetic path to constitute an integral core component 1, one mold resin part 2 among mold resin parts 2 formed at one or more places is formed astride a magnetic gap part 111 of the core 11 and comprises a pair of mold resin parts 20, 20 located at both sides of the magnetic gap part 111, and the pair of mold resin parts 20, 20 is mutually connected through a connection member that exhibits resistance force larger than the mold resin parts 2 with respect to the expansion and/or reduction of the magnetic gap part 111. <P>COPYRIGHT: (C)2013,JPO&INPIT |
