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1. IN1914/KOLNP/2012 - ELECTRIC CURRENT DETECTOR AND CORE COMPONENT USED FOR SAME

Office
India
Application Number 1914/KOLNP/2012
Application Date 26.07.2012
Publication Number 1914/KOLNP/2012
Publication Date 22.03.2013
Publication Kind A
IPC
G01R 15/20
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
15Details of measuring arrangements of the types provided for in groups G01R17/-G01R29/, G01R33/-G01R33/26176
14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
20using galvano-magnetic devices, e.g. Hall-effect devices
Applicants SHT Corporation Limited
Inventors YOSHIMORI, Hitoshi
YOSHIMORI, Takashi
Priority Data 2010016117 28.01.2010 JP
Title
(EN) ELECTRIC CURRENT DETECTOR AND CORE COMPONENT USED FOR SAME
Abstract
(EN) An electric current detector has, provided within an exterior case (1): an annular core (2) which has a magnetic gap (G); and a Hall element (41) which is located within the magnetic gap of the core (2) and detects the magnitude of an electric current passing through the core (2). The core (2) has a core component formed integrally therewith. The core component is configured by forming a mold resin section (3) on one or more portions of the core (2) so as to be disposed along the magnetic path of the core (2), and the mold resin section (3) covers the surface of the core (2) for a part of the entire length thereof along the magnetic path. The core component is affixed to the inside of the exterior case (1) with the surface of the mold resin section (3) in contact with the inner surface of the exterior case (1).