JP7425962B2 - コイル部品 - Google Patents
コイル部品 Download PDFInfo
- Publication number
- JP7425962B2 JP7425962B2 JP2019232039A JP2019232039A JP7425962B2 JP 7425962 B2 JP7425962 B2 JP 7425962B2 JP 2019232039 A JP2019232039 A JP 2019232039A JP 2019232039 A JP2019232039 A JP 2019232039A JP 7425962 B2 JP7425962 B2 JP 7425962B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- magnet
- axis direction
- coil component
- movement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 claims description 43
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F2003/103—Magnetic circuits with permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Description
Claims (3)
- 足部を有する第1のコアと、
前記足部を介して前記第1のコアと連結される第2のコアと、
前記足部と前記第2のコアとの間に配置される磁石と、を備え、
前記磁石は、前記第1のコア及び前記第2のコアの少なくとも一方と磁石との接合面に設けられた凹凸構造によって、前記第1のコアと前記第2のコアとの対向方向と交差する第1の方向への移動が少なくとも規制され、
前記磁石には、前記第1のコア及び前記第2のコアの少なくとも一方に向かって突出し、前記第1のコア及び前記第2のコアの少なくとも一方に形成された凹部に挿入される突出部が形成され、
または、
前記第1のコア及び前記第2のコアの少なくとも一方には、前記磁石に向かって突出し、前記磁石に形成された凹部に挿入される突出部が形成される、コイル部品。 - 前記第1のコア及び前記第2のコアの少なくとも一方には、前記第1の方向に互いに対向するように突出する一対の第1の規制壁部が形成され、
前記磁石は、前記第1の規制壁部によって前記第1の方向への移動が規制され、
前記磁石には、前記第1の規制壁部に向かって突出し、前記第1の規制壁部に形成された前記凹部に挿入される前記突出部が形成される、請求項1に記載のコイル部品。 - 前記第1のコアは、一対の前記足部を有し、当該一対の前記足部の少なくとも一方に前記磁石が配置され、
一対の前記足部の間には、コイル部が配置される、請求項1又は2に記載のコイル部品。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019232039A JP7425962B2 (ja) | 2019-12-23 | 2019-12-23 | コイル部品 |
US17/128,387 US11615909B2 (en) | 2019-12-23 | 2020-12-21 | Coil component |
EP20216592.4A EP3843112B1 (en) | 2019-12-23 | 2020-12-22 | Coil component |
CN202011525803.0A CN113096935A (zh) | 2019-12-23 | 2020-12-22 | 线圈部件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019232039A JP7425962B2 (ja) | 2019-12-23 | 2019-12-23 | コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021100080A JP2021100080A (ja) | 2021-07-01 |
JP7425962B2 true JP7425962B2 (ja) | 2024-02-01 |
Family
ID=73856866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019232039A Active JP7425962B2 (ja) | 2019-12-23 | 2019-12-23 | コイル部品 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11615909B2 (ja) |
EP (1) | EP3843112B1 (ja) |
JP (1) | JP7425962B2 (ja) |
CN (1) | CN113096935A (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003151833A (ja) | 2001-11-19 | 2003-05-23 | Nec Tokin Corp | インダクタンス部品 |
JP2004055734A (ja) | 2002-07-18 | 2004-02-19 | Mitsubishi Electric Corp | 直流リアクトル |
DE10259117A1 (de) | 2002-12-18 | 2004-07-01 | Technische Universität Ilmenau Abteilung Forschungsförderung und Technologietransfer | Magnetisch kompensiertes induktives Bauelement |
US20100194512A1 (en) | 2009-02-05 | 2010-08-05 | Abb Oy | Permanent magnet dc inductor |
US20120161917A1 (en) | 2011-06-27 | 2012-06-28 | Henning Iii Harvey S | Magnetic Power Converter |
JP2013042027A (ja) | 2011-08-18 | 2013-02-28 | Fdk Corp | チョークコイル |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS558888Y2 (ja) * | 1974-02-22 | 1980-02-27 | ||
US4103221A (en) * | 1973-05-18 | 1978-07-25 | Hitachi Metals, Ltd. | Inductor with plurality of magnet pieces in air gap |
DE2424131C3 (de) * | 1973-05-18 | 1979-05-03 | Hitachi Metals, Ltd., Tokio | Drossel |
JPS5432696B2 (ja) | 1974-04-10 | 1979-10-16 | ||
AT384320B (de) | 1981-01-27 | 1987-10-27 | Zumtobel Ag | Induktiver wechselstrombegrenzer |
JPH0539688A (ja) * | 1991-10-02 | 1993-02-19 | Taamo:Kk | 吸着具 |
JPH07176431A (ja) | 1993-12-16 | 1995-07-14 | Tabuchi Denki Kk | 誘導電磁器 |
US6717504B2 (en) * | 2000-10-25 | 2004-04-06 | Nec Tokin Corporation | Magnetic core including bias magnet and inductor component using the same |
FR2839580B1 (fr) | 2002-05-10 | 2008-08-22 | Johnson Contr Automotive Elect | Bobine d'allumage a aimant permanent a court-circuit magnetique |
GB2451447B (en) | 2007-07-30 | 2012-01-11 | Sensl Technologies Ltd | Light sensor |
-
2019
- 2019-12-23 JP JP2019232039A patent/JP7425962B2/ja active Active
-
2020
- 2020-12-21 US US17/128,387 patent/US11615909B2/en active Active
- 2020-12-22 EP EP20216592.4A patent/EP3843112B1/en active Active
- 2020-12-22 CN CN202011525803.0A patent/CN113096935A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003151833A (ja) | 2001-11-19 | 2003-05-23 | Nec Tokin Corp | インダクタンス部品 |
JP2004055734A (ja) | 2002-07-18 | 2004-02-19 | Mitsubishi Electric Corp | 直流リアクトル |
DE10259117A1 (de) | 2002-12-18 | 2004-07-01 | Technische Universität Ilmenau Abteilung Forschungsförderung und Technologietransfer | Magnetisch kompensiertes induktives Bauelement |
US20100194512A1 (en) | 2009-02-05 | 2010-08-05 | Abb Oy | Permanent magnet dc inductor |
US20120161917A1 (en) | 2011-06-27 | 2012-06-28 | Henning Iii Harvey S | Magnetic Power Converter |
JP2013042027A (ja) | 2011-08-18 | 2013-02-28 | Fdk Corp | チョークコイル |
Also Published As
Publication number | Publication date |
---|---|
US20210193363A1 (en) | 2021-06-24 |
US11615909B2 (en) | 2023-03-28 |
EP3843112B1 (en) | 2024-01-03 |
JP2021100080A (ja) | 2021-07-01 |
EP3843112A1 (en) | 2021-06-30 |
CN113096935A (zh) | 2021-07-09 |
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