Current detection device and electricity meter
AssigneeToshiba Toko Meter Systems Co., Ltd.
InventorsShinichi Ryochi, Mitsuhiro Sakoyama, Fuyuki Kurokawa, Tatsuya Kimura
Life of this patent
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Abstract
A device including: a conductor through which a current to be measured flows; multiple coils arranged around the conductor; a first magnetic body provided to face one of end surfaces of each of the multiple coils and configured to magnetically short-circuit the multiple coils; and a second magnetic body provided to face another one of the end surfaces of each of the multiple coils, configured to magnetically short-circuit the multiple coils, and including through-holes through which coil wires from the multiple coils are passed, respectively, the through-holes being provided at positions facing the other end surfaces of the multiple coils, respectively.
Claims16
A current detection device comprising:
- a conductor through which a current to be measured flows;
- a plurality of coils arranged around the conductor;
- a first magnetic body provided to face one end surfaces of the respective plurality of coils and configured to magnetically short-circuit the plurality of coils;
- and
- a second magnetic body provided to face the other end surfaces of the respective plurality of coils, configured to magnetically short-circuit the plurality of coils, and provided with through-holes through which coil wires from the plurality of coils are passed, respectively, the through-holes being provided at positions facing the other end surfaces of the plurality of coils, respectively.
Dependencies are inferred from the claim text.