Title:
CURRENT DETECTOR AND ELECTRICITY METER
Document Type and Number:
WIPO Patent Application WO/2013/005351
Kind Code:
A1
Abstract:
The present invention is provided with: a plurality of coils (1a, 1b) which are positioned around a conductor (4), and detect a current that is flowing through the conductor (4) by receiving a magnetic field corresponding to the current that is flowing through the conductor (4); a first magnetic body (2a) that creates a magnetic short circuit between one end of each of the plurality of coils; a second magnetic body (2b) which is disposed in such a manner as to not be in contact with the first magnetic body, and creates a magnetic short circuit between the other end of each of the plurality of coils; and third magnetic bodies (3a, 3b) which are disposed on the outside of the plurality of coils on the circumference thereof, with the direction in which the current that flows through the conductor as the center axis. The plurality of coils, first magnetic body and second magnetic body are configured so as to orbit the conductor as a whole.
Inventors:
RYOCHI SHINICHI (JP)
SAKOYAMA MITSUHIRO (JP)
KUROKAWA FUYUKI (JP)
KIMURA TATSUYA (JP)
SAKOYAMA MITSUHIRO (JP)
KUROKAWA FUYUKI (JP)
KIMURA TATSUYA (JP)
Application Number:
PCT/JP2011/077957
Publication Date:
January 10, 2013
Filing Date:
December 02, 2011
Export Citation:
Assignee:
TOSHIBA TOKO METER SYS CO LTD (JP)
RYOCHI SHINICHI (JP)
SAKOYAMA MITSUHIRO (JP)
KUROKAWA FUYUKI (JP)
KIMURA TATSUYA (JP)
RYOCHI SHINICHI (JP)
SAKOYAMA MITSUHIRO (JP)
KUROKAWA FUYUKI (JP)
KIMURA TATSUYA (JP)
International Classes:
G01R15/18; G01R21/06; G01R22/00
Foreign References:
| JP2010539451A | 2010-12-16 | |||
| JP2011089883A | 2011-05-06 | |||
| JPS641970A | 1989-01-06 |
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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Claims: