CURRENT SENSOR UNIT AND ELECTRICAL DEVICE

To provide a current sensor unit and electrical device, which enable appropriate current detection by a current sensor.SOLUTION: A power conversion device 30 comprises a booster device 40, inverter 50, and current sensor unit 60. The current sensor unit 60 comprises: a current sensor 61 having a det...

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Main Authors KATO SHIGEMASA, ITO TAKAAKI, KIHIRA KAZUTOSHI, AISAKA YUTO, TOMITA YOSHIKI, YAMAZAKI DAISUKE, ISHIKAWA KEITARO, HISADA SHUHEI
Format Patent
LanguageEnglish
Japanese
Published 28.03.2024
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:To provide a current sensor unit and electrical device, which enable appropriate current detection by a current sensor.SOLUTION: A power conversion device 30 comprises a booster device 40, inverter 50, and current sensor unit 60. The current sensor unit 60 comprises: a current sensor 61 having a detection element 62 configured to output an electrical signal corresponding to magnetic flux density and a sensor substrate 63 having a wiring unit connected to the detection element 62; and a noise guide plate 65 configured to guide magnetic noise generated by a reactor 41 of the power conversion device 30 to routes not passing through the sensor substrate.SELECTED DRAWING: Figure 1 【課題】電流センサによる適正な電流検出を行わせることができる電流センサユニット及び電気装置を提供する。【解決手段】電力変換装置３０は、昇圧装置４０とインバータ５０と電流センサユニット６０とを有している。電流センサユニット６０は、磁束密度に応じた電気信号を出力する検出素子６２と、検出素子６２に接続された配線部を有するセンサ基板６３とを有する電流センサ６１と、電力変換装置３０のリアクトル４１にて発生する磁気ノイズを、センサ基板を通らない経路に誘導するノイズ誘導板６５と、を備えている。【選択図】 図１
Bibliography:Application Number: JP20220147353