Current sensor for measuring current flowing through bus bar
AssigneeKabushiki Kaisha Tokai Rika Denki Seisakusho
InventorsHitoshi Muraki, Hiroshi Ueno, Kenji Tanaka
Life of this patent
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Abstract
A current sensor for detecting current flowing through a conductive bus bar. A fitting groove is formed in the bus bar. A package is fitted into the fitting groove including a magnetic detection element that detects current flowing through the bus bar. A lead frame is connected to the magnetic detection element and extends out of the package. The bus bar includes a first conductor and a second conductor facing toward the first conductor, with the first and second conductors defining the fitting groove. The magnetic detection element is arranged between the first conductor and the second conductor in a state in which the package is fitted into the fitting groove.
Claims11
A current sensor for detecting current, the current sensor comprising:
- a conductive bus bar;
- a fitting groove formed in the bus bar;
- a package fitted into the fitting groove and including a recess and a magnetic detection element that detects current flowing through the bus bar, wherein the magnetic detection element is molded in the package;
- a lead frame connected to the magnetic detection element and extending out of the package;
- and
- a circuit board supporting the lead frame, wherein the circuit board is fitted into the fitting groove together with the package in a state in which the circuit board is partially accommodated in the recess.
A mounting structure for mounting a magnetic detection element on a bus bar having a fitting groove, the mounting structure comprising:
- a package fittable into the fitting groove and including the magnetic detection element and a recess, wherein the magnetic detection element is molded in the package;
- a lead frame connected to the magnetic detection element and extending out of the package;
- and
- a circuit board supporting the lead frame, wherein the circuit board is fittable into the fitting groove together with the package in a state in which the circuit board is partially accommodated in the recess.
Dependencies are inferred from the claim text.