JP2012089899A5 - Reactor core, reactor, and converter - Google Patents

Reactor core, reactor, and converter Download PDF

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Publication number
JP2012089899A5
JP2012089899A5 JP2012024917A JP2012024917A JP2012089899A5 JP 2012089899 A5 JP2012089899 A5 JP 2012089899A5 JP 2012024917 A JP2012024917 A JP 2012024917A JP 2012024917 A JP2012024917 A JP 2012024917A JP 2012089899 A5 JP2012089899 A5 JP 2012089899A5
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Japan
Prior art keywords
reactor
core
coil
relative permeability
exposed portion
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JP2012024917A
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Japanese (ja)
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JP5408272B2 (en
JP2012089899A (en
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Priority to JP2012024917A priority Critical patent/JP5408272B2/en
Priority claimed from JP2012024917A external-priority patent/JP5408272B2/en
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Publication of JP2012089899A5 publication Critical patent/JP2012089899A5/en
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Claims (6)

リアクトルを構成するコイルで覆われるコイル配置部と、コイルで覆われない露出部とを具える環状のリアクトル用コアであって、
このコアは、前記コイル配置部と前記露出部とがギャップを介することなく一体化されてなり、
前記コイル配置部は、磁性粉末と、非磁性粉末と、樹脂とから構成される硬化成形体であり、
前記露出部は、前記コイル配置部よりも比透磁率が高いリアクトル用コア。 An annular reactor core comprising a coil arrangement portion covered by a coil constituting a reactor and an exposed portion not covered by a coil,
In this core, the coil placement portion and the exposed portion are integrated without a gap.
The coil placement portion is a hardened molded body composed of magnetic powder, nonmagnetic powder, and resin,
The exposed portion relative permeability core high input Akutoru than the coil arrangement portion. 前記露出部の比透磁率は、前記コイル配置部の比透磁率の2倍以上であり、
前記コイル配置部の比透磁率は、3以上50以下であり、
前記リアクトル用コア全体の平均透磁率は、比透磁率で5以上50以下である請求項1に記載のリアクトル用コア。 The relative permeability of the exposed portion is at least twice the relative permeability of the coil placement portion,
The relative permeability of the coil placement portion is 3 or more and 50 or less,
The reactor core according to claim 1, wherein the average permeability of the entire reactor core is 5 or more and 50 or less in relative permeability . 前記非磁性粉末は、Cu,Al,Si,Al 2 O 3 ,SiO 2 のいずれかである請求項1又は2に記載のリアクトル用コア。 The non-magnetic powder, Cu, Al, Si, Al 2 O 3, a reactor core as claimed in claim 1 or 2 is either SiO 2. 前記露出部は、圧粉成形体である請求項1〜3のいずれか1項に記載のリアクトル用コア。 The exposed portion, the core for reactor according to any one of the green compact der Ru請 Motomeko 1-3. 請求項1〜4のいずれか1項に記載のリアクトル用コアを具えるリアクトル。  The reactor which comprises the core for reactors of any one of Claims 1-4. 請求項5に記載のリアクトルを具えるコンバータ。  A converter comprising the reactor according to claim 5.
JP2012024917A 2012-02-08 2012-02-08 Reactor core, reactor, and converter Active JP5408272B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012024917A JP5408272B2 (en) 2012-02-08 2012-02-08 Reactor core, reactor, and converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012024917A JP5408272B2 (en) 2012-02-08 2012-02-08 Reactor core, reactor, and converter

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2007197903A Division JP5120690B2 (en) 2007-07-30 2007-07-30 Reactor core

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2013225065A Division JP2014064013A (en) 2013-10-30 2013-10-30 Reactor and converter

Publications (3)

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JP2012089899A JP2012089899A (en) 2012-05-10
JP2012089899A5 true JP2012089899A5 (en) 2013-01-24
JP5408272B2 JP5408272B2 (en) 2014-02-05

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JP2012024917A Active JP5408272B2 (en) 2012-02-08 2012-02-08 Reactor core, reactor, and converter

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JP (1) JP5408272B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6552332B2 (en) 2015-08-24 2019-07-31 株式会社トーキン Coil parts
JP6722523B2 (en) 2016-06-28 2020-07-15 株式会社トーキン Reactor
JP6974282B2 (en) * 2018-09-25 2021-12-01 株式会社タムラ製作所 Reactor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07288210A (en) * 1994-04-18 1995-10-31 Tdk Corp Surface mount inductor
JPH11144971A (en) * 1997-11-14 1999-05-28 Matsushita Electric Ind Co Ltd Coil parts and power supply using the same
JP2002057039A (en) * 2000-08-11 2002-02-22 Hitachi Ferrite Electronics Ltd Composite magnetic core
JP4291566B2 (en) * 2002-12-26 2009-07-08 Ｊｆｅケミカル株式会社 Composite core
JP2006344867A (en) * 2005-06-10 2006-12-21 Sumitomo Electric Ind Ltd Reactor
JP2007012647A (en) * 2005-06-28 2007-01-18 Hitachi Metals Ltd Complex magnetic core and reactor employing the same
JP2007128951A (en) * 2005-11-01 2007-05-24 Hitachi Ferrite Electronics Ltd Reactor

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