CURRENT SENSOR

A current sensor has: a magnetism detection unit that can detect a component, in a first direction, of a magnetic field generated when a current flows in a current path; a shield member that can block an external magnetic field; a circuit board on which the magnetism detection unit is mounted; and a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAMURA, Manabu, ARATONO, Mitsuo
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A current sensor has: a magnetism detection unit that can detect a component, in a first direction, of a magnetic field generated when a current flows in a current path; a shield member that can block an external magnetic field; a circuit board on which the magnetism detection unit is mounted; and a fixing member, composed of a magnetic material, that fixes the shield member to the circuit board. The first direction is parallel to the front surface of the circuit board. The shield member has two opposing plates placed so that their plate surfaces face each other in the first direction. The magnetism detection unit is placed by being interposed between the two opposing plates in the first direction. The fixing member extends toward both sides of the magnetism detection unit in the first direction when viewed along the normal of the front surface of the circuit board.