JP6809268B2 - コイル部品 - Google Patents
コイル部品 Download PDFInfo
- Publication number
- JP6809268B2 JP6809268B2 JP2017023859A JP2017023859A JP6809268B2 JP 6809268 B2 JP6809268 B2 JP 6809268B2 JP 2017023859 A JP2017023859 A JP 2017023859A JP 2017023859 A JP2017023859 A JP 2017023859A JP 6809268 B2 JP6809268 B2 JP 6809268B2
- Authority
- JP
- Japan
- Prior art keywords
- coil component
- gap
- magnetic
- winding core
- core portion
- 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
- 238000004804 winding Methods 0.000 claims description 44
- 239000000696 magnetic material Substances 0.000 claims description 19
- 230000004907 flux Effects 0.000 description 26
- 230000004048 modification Effects 0.000 description 18
- 238000012986 modification Methods 0.000 description 18
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
-
- 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
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- 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
- H01F27/2823—Wires
-
- 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
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Regulation Of General Use Transformers (AREA)
Description
20 ドラム型コア
21 ドラム型コアの一方側
22 ドラム型コアの他方側
30 巻芯部
31 第1の鍔部
32 第2の鍔部
40 板状コア
51〜56 端子電極
60 接着剤
71 非磁性材料
72 ワッシャー
G,G1,G2 ギャップ
W1〜W3 ワイヤ
Claims (5)
- 巻芯部と、前記巻芯部の軸方向における両端にそれぞれ設けられた第1及び第2の鍔部とを有するドラム型コアと、
前記第1及び第2の鍔部に固定された板状コアと、
前記第1の鍔部に設けられた第1の端子電極と、
前記第2の鍔部に設けられた第2の端子電極と、
前記巻芯部に巻回され、一端が前記第1の端子電極に接続され、他端が前記第2の端子電極に接続されたワイヤと、を備え、
前記第1の鍔部と前記第2の鍔部との間の磁路には、前記巻芯部を前記軸方向に分断する第1の磁気ギャップが設けられ、
前記第1及び第2の鍔部と前記板状コアとの間には第2の磁気ギャップが設けられ、
前記第1の磁気ギャップは、前記第2の磁気ギャップよりも大きいことを特徴とするコイル部品。 - 前記第1の磁気ギャップは、前記巻芯部の前記軸方向における中間位置に設けられていることを特徴とする請求項1に記載のコイル部品。
- 前記第1の磁気ギャップを埋める非磁性材料をさらに備えることを特徴とする請求項1又は2に記載のコイル部品。
- 前記非磁性材料は、さらに前記巻芯部の表面に形成されていることを特徴とする請求項3に記載のコイル部品。
- 前記第1の磁気ギャップによって分断された前記巻芯部は、互いに嵌合する形状を有していることを特徴とする請求項1乃至4のいずれか一項に記載のコイル部品。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017023859A JP6809268B2 (ja) | 2017-02-13 | 2017-02-13 | コイル部品 |
PCT/JP2018/000783 WO2018147000A1 (ja) | 2017-02-13 | 2018-01-15 | コイル部品 |
US16/483,376 US11515081B2 (en) | 2017-02-13 | 2018-01-15 | Coil component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017023859A JP6809268B2 (ja) | 2017-02-13 | 2017-02-13 | コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018133354A JP2018133354A (ja) | 2018-08-23 |
JP6809268B2 true JP6809268B2 (ja) | 2021-01-06 |
Family
ID=63107496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017023859A Active JP6809268B2 (ja) | 2017-02-13 | 2017-02-13 | コイル部品 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11515081B2 (ja) |
JP (1) | JP6809268B2 (ja) |
WO (1) | WO2018147000A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6638711B2 (ja) * | 2017-09-21 | 2020-01-29 | 株式会社村田製作所 | コイル部品 |
JP1638080S (ja) * | 2018-08-22 | 2019-08-05 | ||
USD918835S1 (en) * | 2018-08-22 | 2021-05-11 | Tdk Corporation | Coil component |
JP7159901B2 (ja) * | 2019-02-16 | 2022-10-25 | 株式会社村田製作所 | ディファレンシャルモードチョークコイル部品およびそれを備える回路 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06197479A (ja) * | 1992-12-24 | 1994-07-15 | Toyota Autom Loom Works Ltd | 電磁給電装置 |
JPH06231975A (ja) * | 1993-02-05 | 1994-08-19 | Ricoh Co Ltd | 中足ギャップタイプコア |
JP2003168611A (ja) * | 2001-09-18 | 2003-06-13 | Murata Mfg Co Ltd | 高周波用コモンモードチョークコイル |
US7212093B2 (en) * | 2003-07-25 | 2007-05-01 | Kyocera Corporation | Ferrite core, method of manufacturing the same, and common-mode noise filter using the same |
JP2007165623A (ja) | 2005-12-14 | 2007-06-28 | Nec Tokin Corp | チョークコイル |
JP2009260014A (ja) * | 2008-04-16 | 2009-11-05 | Toyota Motor Corp | 電磁機器 |
JP5258060B2 (ja) | 2009-09-29 | 2013-08-07 | Tdk株式会社 | コイル部品 |
JP5105317B2 (ja) * | 2009-10-29 | 2012-12-26 | Tdk株式会社 | トランス |
JP2013051288A (ja) * | 2011-08-30 | 2013-03-14 | Tdk Corp | リアクトルおよび電気機器 |
JP6069873B2 (ja) | 2012-04-03 | 2017-02-01 | Tdk株式会社 | 昇圧トランス |
JP5942679B2 (ja) | 2012-08-02 | 2016-06-29 | トヨタ自動車株式会社 | リアクトルの製造装置と製造方法 |
TWI479516B (zh) * | 2013-04-19 | 2015-04-01 | Delta Electronics Inc | 非線性電感 |
JP2016178174A (ja) * | 2015-03-19 | 2016-10-06 | 株式会社オートネットワーク技術研究所 | リアクトル |
-
2017
- 2017-02-13 JP JP2017023859A patent/JP6809268B2/ja active Active
-
2018
- 2018-01-15 WO PCT/JP2018/000783 patent/WO2018147000A1/ja active Application Filing
- 2018-01-15 US US16/483,376 patent/US11515081B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2018147000A1 (ja) | 2018-08-16 |
US20200013545A1 (en) | 2020-01-09 |
US11515081B2 (en) | 2022-11-29 |
JP2018133354A (ja) | 2018-08-23 |
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