JP2020043355A5 - - Google Patents

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Publication number
JP2020043355A5
JP2020043355A5 JP2019210861A JP2019210861A JP2020043355A5 JP 2020043355 A5 JP2020043355 A5 JP 2020043355A5 JP 2019210861 A JP2019210861 A JP 2019210861A JP 2019210861 A JP2019210861 A JP 2019210861A JP 2020043355 A5 JP2020043355 A5 JP 2020043355A5
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JP
Japan
Prior art keywords
core
winding
resin
gap
reactor according
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.)
Pending
Application number
JP2019210861A
Other languages
Japanese (ja)
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JP2020043355A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2019210861A priority Critical patent/JP2020043355A/en
Priority claimed from JP2019210861A external-priority patent/JP2020043355A/en
Publication of JP2020043355A publication Critical patent/JP2020043355A/en
Publication of JP2020043355A5 publication Critical patent/JP2020043355A5/ja
Pending legal-status Critical Current

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Claims (6)

巻線を巻回してなる巻回部を有するコイルと、前記巻回部の内部に配置される内側コア部と前記巻回部の外部に配置される外側コア部とで閉磁路を形成する磁性コアと、を備えるリアクトルであって、
前記巻回部の内周面と前記内側コア部の外周面とを接合する内側樹脂部を備え、
前記内側コア部は、前記巻回部の軸方向に沿って配置される複数のコア片を備え、
前記コア片の間、および前記コア片と前記外側コア部との間に、前記内側樹脂部の一部で構成されるギャップ部を備え、
前記コア片は、
前記ギャップ部に対向するギャップ対向面と、
前記巻回部の内周面に対向するコイル対向面と、
前記ギャップ対向面と前記コイル対向面との角部に設けられた切欠き状の樹脂流れ部と、を備える、
リアクトル。 A coil having a winding portion formed by winding a winding wire, a magnetism forming a closed magnetic circuit with an inner core portion arranged inside the winding portion and an outer core portion arranged outside the winding portion. A reactor including a core,
An inner resin portion for joining the inner peripheral surface of the winding portion and the outer peripheral surface of the inner core portion,
The inner core portion includes a plurality of core pieces arranged along the axial direction of the winding portion ,
Between the core pieces, and between the core piece and the outer core portion, a gap portion configured by a part of the inner resin portion,
The core piece is
A gap facing surface facing the gap portion,
A coil facing surface facing the inner peripheral surface of the winding portion,
A notch-shaped resin flow portion provided at a corner between the gap facing surface and the coil facing surface ,
Reactor. 前記ギャップ対向面の外周縁部の全周に亘って前記樹脂流れ部が形成されている請求項１に記載のリアクトル。 The reactor according to claim 1, wherein the resin flow portion is formed over the entire circumference of the outer peripheral edge portion of the gap facing surface. 前記巻回部の軸方向に直交する方向から見たとき、前記樹脂流れ部の幅が前記ギャップ部の幅よりも広い請求項１または請求項２に記載のリアクトル。 The reactor according to claim 1 or 2, wherein a width of the resin flow portion is wider than a width of the gap portion when viewed from a direction orthogonal to an axial direction of the winding portion. 前記コイルは、前記内側樹脂部とは別に設けられ、前記巻回部の各ターンを一体化させる一体化樹脂を備える請求項１から請求項３のいずれか１項に記載のリアクトル。 The reactor according to any one of claims 1 to 3, wherein the coil is provided separately from the inner resin portion, and includes an integrated resin that integrates the respective turns of the winding portion. 前記コア片は、軟磁性粉末の圧粉成形体である請求項１から請求項４のいずれか１項に記載のリアクトル。 The reactor according to any one of claims 1 to 4, wherein the core piece is a powder compact of soft magnetic powder. 前記コア片は、樹脂と、前記樹脂中に分散した軟磁性粉末と、を含む複合材料である請求項１から請求項４のいずれか１項に記載のリアクトル。 The reactor according to any one of claims 1 to 4, wherein the core piece is a composite material containing a resin and a soft magnetic powder dispersed in the resin.
JP2019210861A 2019-11-21 2019-11-21 Reactor Pending JP2020043355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019210861A JP2020043355A (en) 2019-11-21 2019-11-21 Reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019210861A JP2020043355A (en) 2019-11-21 2019-11-21 Reactor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2016019195A Division JP6651879B2 (en) 2016-02-03 2016-02-03 Reactor

Publications (2)

Publication Number Publication Date
JP2020043355A JP2020043355A (en) 2020-03-19
JP2020043355A5 true JP2020043355A5 (en) 2020-07-16

Family

ID=69799443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019210861A Pending JP2020043355A (en) 2019-11-21 2019-11-21 Reactor

Country Status (1)

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JP (1) JP2020043355A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7287915B2 (en) 2020-03-12 2023-06-06 株式会社神戸製鋼所 LAMINATED PRODUCT MANUFACTURING METHOD AND LAMINATED PRODUCT

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009259986A (en) * 2008-04-16 2009-11-05 Tamura Seisakusho Co Ltd Electronic component
JP2011086801A (en) * 2009-10-16 2011-04-28 Toyota Motor Corp Reactor, and method of manufacturing the same
JP6075678B2 (en) * 2012-03-30 2017-02-08 日立金属株式会社 Composite magnetic core, reactor and power supply
JP2013254929A (en) * 2012-05-09 2013-12-19 Sumitomo Electric Ind Ltd Reactor, converter, electric power conversion device, and method of manufacturing resin core piece
JP6301811B2 (en) * 2013-11-22 2018-03-28 株式会社タムラ製作所 COIL, ITS MANUFACTURING METHOD, AND REACTOR
JP2015222804A (en) * 2014-05-23 2015-12-10 株式会社タムラ製作所 Reactor
JP2016015389A (en) * 2014-07-01 2016-01-28 株式会社オートネットワーク技術研究所 Core piece, and reactor

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