JP2006112957A - 電流センサ - Google Patents
電流センサ Download PDFInfo
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- JP2006112957A JP2006112957A JP2004301643A JP2004301643A JP2006112957A JP 2006112957 A JP2006112957 A JP 2006112957A JP 2004301643 A JP2004301643 A JP 2004301643A JP 2004301643 A JP2004301643 A JP 2004301643A JP 2006112957 A JP2006112957 A JP 2006112957A
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- core
- current
- detection
- hall element
- magnetic field
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Abstract
【解決手段】 飽和磁束密度の大きい第1コア9と、この第1コア9を通る磁界の大きさを電圧値に変換する第1ホール素子12と、磁気ヒステリシスが小さい第2コア10と、この第2コア10を通る磁界の大きさを電圧値に変換する第2ホール素子13とをケース2内に収容した。
【選択図】 図1
Description
2 ケース
5 貫通孔
9 第1コア
10 第1ホール素子(第1磁電変換素子)
12 第2コア
13 第2ホール素子(第2磁電変換素子)
Claims (3)
- 飽和磁束密度の大きい第1コアと、該第1コアを通る磁界の大きさを電気量に変換する第1磁電変換素子と、磁気ヒステリシスが小さい第2コアと、該第2コアを通る磁界の大きさを電気量に変換する第2磁電変換素子とを同一のケース内に備えたことを特徴とする電流センサ。
- 請求項1記載の電流センサであって、
前記第1コア及び前記第1磁電変換素子と、前記第2コア及び前記第2磁電変換素子とは、検出電流の電流方向に所定の間隔を開けて配置されていることを特徴とする電流センサ。 - 請求項1又は請求項2記載の電流センサであって、
前記ケースには、前記第1コアと前記第2コアの中心を貫通する貫通孔が設けられ、この貫通孔内に検出電流が通電される電流検出体が固定されていることを特徴とする電流センサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004301643A JP4459011B2 (ja) | 2004-10-15 | 2004-10-15 | 電流センサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004301643A JP4459011B2 (ja) | 2004-10-15 | 2004-10-15 | 電流センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006112957A true JP2006112957A (ja) | 2006-04-27 |
JP4459011B2 JP4459011B2 (ja) | 2010-04-28 |
Family
ID=36381578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004301643A Expired - Fee Related JP4459011B2 (ja) | 2004-10-15 | 2004-10-15 | 電流センサ |
Country Status (1)
Country | Link |
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JP (1) | JP4459011B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019113430A (ja) * | 2017-12-25 | 2019-07-11 | 長野日本無線株式会社 | 電流検出装置 |
JP2021135049A (ja) * | 2020-02-21 | 2021-09-13 | Tdk株式会社 | 電流センサ |
-
2004
- 2004-10-15 JP JP2004301643A patent/JP4459011B2/ja not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019113430A (ja) * | 2017-12-25 | 2019-07-11 | 長野日本無線株式会社 | 電流検出装置 |
JP2021135049A (ja) * | 2020-02-21 | 2021-09-13 | Tdk株式会社 | 電流センサ |
JP7099483B2 (ja) | 2020-02-21 | 2022-07-12 | Tdk株式会社 | 電流センサ |
Also Published As
Publication number | Publication date |
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JP4459011B2 (ja) | 2010-04-28 |
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