JP4292056B2 - インダクタンス素子 - Google Patents
インダクタンス素子 Download PDFInfo
- Publication number
- JP4292056B2 JP4292056B2 JP2003383621A JP2003383621A JP4292056B2 JP 4292056 B2 JP4292056 B2 JP 4292056B2 JP 2003383621 A JP2003383621 A JP 2003383621A JP 2003383621 A JP2003383621 A JP 2003383621A JP 4292056 B2 JP4292056 B2 JP 4292056B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- drum core
- inductance element
- ring core
- drum
- 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.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
-
- 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
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
-
- 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
- H01F17/043—Fixed inductances of the signal type with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
-
- 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
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
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)
Description
11 リングコア
14a〜14c 凸部
20 ドラムコア
21 上鍔部
21a〜21c 凹部
22 胴部
23 下鍔部
Claims (5)
- 巻線が巻回されるドラムコアと、ドラムコアの外周を囲むリングコアとを有するインダクタンス素子において、
上記ドラムコアの上鍔部の円形の外周面または上記リングコアの円形の内周面のいずれか一方に凸部が設けられ、他方には上記凸部が係止される凹部が設けられ、
上記凹部は、その凹部の最深部から一方の外縁部に向かって傾斜する傾斜面を有し、上記凸部の頂点を上記最深部側から上記外縁部側の方向へと移動させることで、上記凸部が上記傾斜面に接触し係止されることを特徴とするインダクタンス素子。 - 前記リングコアは、円筒形状または矩形形状としていることを特徴とする請求項1記載のインダクタンス素子。
- 前記凸部は半球形状または円柱形状を有していることを特徴とする請求項1記載のインダクタンス素子。
- 前記凸部および前記凹部がそれぞれ3つ設けられており、前記凹部は円周方向に対して同一方向に前記傾斜面が位置するように配置されていることを特徴とする請求項1記載のインダクタンス素子。
- 前記ドラムコアは下鍔部をさらに有し、
前記ドラムコアの上記下鍔部の外周面または前記リングコアの内周面のいずれか一方に前記凸部が設けられ、他方には前記凸部が係止される前記凹部が設けられていることを特徴とする請求項1記載のインダクタンス素子。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003383621A JP4292056B2 (ja) | 2003-11-13 | 2003-11-13 | インダクタンス素子 |
KR1020040084431A KR100672916B1 (ko) | 2003-11-13 | 2004-10-21 | 인덕턴스 소자 |
TW093134418A TWI253657B (en) | 2003-11-13 | 2004-11-11 | Inductance element |
CNB2004100929404A CN1316519C (zh) | 2003-11-13 | 2004-11-11 | 电感元件 |
US10/988,010 US6950002B2 (en) | 2003-11-13 | 2004-11-12 | Inductance element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003383621A JP4292056B2 (ja) | 2003-11-13 | 2003-11-13 | インダクタンス素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005150284A JP2005150284A (ja) | 2005-06-09 |
JP4292056B2 true JP4292056B2 (ja) | 2009-07-08 |
Family
ID=34567307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003383621A Expired - Fee Related JP4292056B2 (ja) | 2003-11-13 | 2003-11-13 | インダクタンス素子 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6950002B2 (ja) |
JP (1) | JP4292056B2 (ja) |
KR (1) | KR100672916B1 (ja) |
CN (1) | CN1316519C (ja) |
TW (1) | TWI253657B (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004207393A (ja) * | 2002-12-24 | 2004-07-22 | Aisin Seiki Co Ltd | ロータリーソレノイド |
JP4676822B2 (ja) * | 2005-06-21 | 2011-04-27 | スミダコーポレーション株式会社 | コイル部品 |
JP2007019175A (ja) * | 2005-07-06 | 2007-01-25 | Sumida Corporation | 磁気素子 |
JP4781223B2 (ja) * | 2005-12-22 | 2011-09-28 | スミダコーポレーション株式会社 | インダクタンス素子 |
KR100686711B1 (ko) * | 2005-12-28 | 2007-02-26 | 주식회사 이수 | 표면실장형 파워 인덕터 |
EP1895549B1 (en) * | 2006-09-01 | 2015-04-15 | DET International Holding Limited | Inductive element |
KR100770773B1 (ko) | 2006-10-10 | 2007-10-26 | 주식회사 코일마스터 | 인덕터 제조방법 |
CN101325122B (zh) * | 2007-06-15 | 2013-06-26 | 库帕技术公司 | 微型屏蔽磁性部件 |
US20100253456A1 (en) * | 2007-06-15 | 2010-10-07 | Yipeng Yan | Miniature shielded magnetic component and methods of manufacture |
US20090309114A1 (en) * | 2008-01-16 | 2009-12-17 | Luminus Devices, Inc. | Wavelength converting light-emitting devices and methods of making the same |
DE102008027037B4 (de) * | 2008-06-06 | 2010-06-10 | International Currency Technologies Corporation | Münzprüfgerät |
TWI436381B (zh) * | 2009-06-08 | 2014-05-01 | Cyntec Co Ltd | 扼流器 |
CN102074333B (zh) * | 2009-11-24 | 2013-06-05 | 台达电子工业股份有限公司 | 混合材料磁芯组、磁性元件及制法 |
DE102010028325A1 (de) * | 2010-04-28 | 2011-11-03 | Würth Elektronik eiSos Gmbh & Co. KG | Induktionsbauteil |
JP5399317B2 (ja) * | 2010-05-18 | 2014-01-29 | 株式会社神戸製鋼所 | リアクトル |
JP5516357B2 (ja) * | 2010-11-17 | 2014-06-11 | スミダコーポレーション株式会社 | 磁性素子 |
PL2472531T3 (pl) * | 2011-01-03 | 2013-09-30 | Hoeganaes Ab | Rdzeń cewki indukcyjnej |
CN102592781B (zh) * | 2011-01-07 | 2016-06-29 | 乾坤科技股份有限公司 | 电感器 |
US20120268231A1 (en) * | 2011-04-19 | 2012-10-25 | Shang S R | Hot/cold forming and assembling magnetic component |
DE102014105370A1 (de) | 2014-04-15 | 2015-10-15 | Epcos Ag | Kernbauteil |
JP6398302B2 (ja) * | 2014-05-12 | 2018-10-03 | スミダコーポレーション株式会社 | コイル部品および電子回路 |
DE102015120162A1 (de) * | 2015-11-20 | 2017-05-24 | Epcos Ag | SMD-Induktivität mit hoher Spitzenstrombelastbarkeit und niedrigen Verlusten und Verfahren zur Herstellung |
JP6526085B2 (ja) * | 2017-03-17 | 2019-06-05 | ファナック株式会社 | 第一鉄心ブロックおよび第二鉄心ブロックからなる鉄心 |
CN106920650B (zh) * | 2017-03-22 | 2018-09-28 | 三积瑞科技(苏州)有限公司 | 高品质组合式电感 |
KR102394054B1 (ko) * | 2018-02-01 | 2022-05-04 | 엘지이노텍 주식회사 | 자성코어 조립체 및 이를 포함하는 코일부품 |
CN117457336A (zh) * | 2023-12-01 | 2024-01-26 | 唐山卫源电子科技有限公司 | 一种高温超导效果好的磁芯 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1012457A (ja) * | 1996-06-19 | 1998-01-16 | Tokin Corp | 表面実装型インダクタ |
JP3103787B2 (ja) * | 1997-07-30 | 2000-10-30 | ティーディーケイ株式会社 | 磁気シールド型チップインダクタ |
JP2002313635A (ja) * | 2001-04-10 | 2002-10-25 | Mitsumi Electric Co Ltd | インダクタのギャップ管理方法 |
JP2002313634A (ja) * | 2001-04-13 | 2002-10-25 | Mitsumi Electric Co Ltd | インダクタ並びにインダクタの製造方法 |
US6753749B1 (en) * | 2003-06-05 | 2004-06-22 | Artesyn Technologies, Inc. | Toroidal transformer enclosure |
-
2003
- 2003-11-13 JP JP2003383621A patent/JP4292056B2/ja not_active Expired - Fee Related
-
2004
- 2004-10-21 KR KR1020040084431A patent/KR100672916B1/ko not_active IP Right Cessation
- 2004-11-11 CN CNB2004100929404A patent/CN1316519C/zh not_active Expired - Fee Related
- 2004-11-11 TW TW093134418A patent/TWI253657B/zh not_active IP Right Cessation
- 2004-11-12 US US10/988,010 patent/US6950002B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20050046537A (ko) | 2005-05-18 |
TW200518126A (en) | 2005-06-01 |
CN1316519C (zh) | 2007-05-16 |
TWI253657B (en) | 2006-04-21 |
JP2005150284A (ja) | 2005-06-09 |
US20050104702A1 (en) | 2005-05-19 |
KR100672916B1 (ko) | 2007-01-22 |
US6950002B2 (en) | 2005-09-27 |
CN1617270A (zh) | 2005-05-18 |
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