JP5687433B2 - 巻回磁気コアを有する磁気回路 - Google Patents
巻回磁気コアを有する磁気回路 Download PDFInfo
- Publication number
- JP5687433B2 JP5687433B2 JP2010037298A JP2010037298A JP5687433B2 JP 5687433 B2 JP5687433 B2 JP 5687433B2 JP 2010037298 A JP2010037298 A JP 2010037298A JP 2010037298 A JP2010037298 A JP 2010037298A JP 5687433 B2 JP5687433 B2 JP 5687433B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- core
- bridge member
- magnetic circuit
- gap
- 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
- 239000000696 magnetic material Substances 0.000 claims abstract description 12
- 230000035699 permeability Effects 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 239000011162 core material Substances 0.000 description 69
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229910002555 FeNi Inorganic materials 0.000 description 1
- 229910005347 FeSi Inorganic materials 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/04—Cores, Yokes, or armatures made from strips or ribbons
-
- 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
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Transformers For Measuring Instruments (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
Claims (13)
- 非磁性金属によって形成される少なくとも一つのギャップへのブリッジ用のブリッジ部材(8)と、高透磁率を有する磁性材料による複数の積層された同心環状の層を備える巻回磁気コア(4)とを備え、
前記磁気コアは、前記磁性材料による積層された同心環状の層の一部を貫通して延在する少なくとも一つのギャップ(6)を有し、前記ブリッジ部材は、前記ギャップのいずれかの側において前記巻回磁気コアの側面(14a)に溶接されており、前記ブリッジ部材と前記磁気コアとの間の溶接接合部(22a)が前記積層された同心環状の層を前記コアの半径方向最内の環状の層(16)から半径方向最外の環状の層(18)へ横切って延在する磁気回路。 - 前記ブリッジ部材は、前記側面(14a)に対して略平行に接するように位置する平面基部(20)を備える請求項1記載の磁気回路。
- 前記ブリッジ部材は、前記基部から前記基部の平面の外へ延在する剛性部(28)を備える請求項2記載の磁気回路。
- 前記ブリッジ部材は、30度を超える角度(α)で前記コアに沿って延在する請求項1〜3のいずれかに記載の磁気回路。
- 前記ブリッジ部材は、60度を超える角度(α)で前記コアに沿って延在する請求項4記載の磁気回路。
- 前記ブリッジ部材は、90度を超える角度(α)で前記コアに沿って延在する請求項5記載の磁気回路。
- 前記ブリッジ部材は、前記磁気コアの前記積層された環状の層に対して、対をなす少なくともひとつの第二の溶接接合部(22b)を前記ブリッジ部材の両端(38)に近接して備える請求項1〜6のいずれかに記載の磁気回路。
- 前記ブリッジ部材は、対をなす第三の又はそれ以上の中間の溶接接合部(22c)を備える請求項7記載の磁気回路。
- 前記ブリッジ部材は、前記磁気回路を回路基板又は他の回路装置に機械的及び/又は電気的に接続するように構成される固定部材(28)を備える請求項1〜8のいずれかに記載の磁気回路。
- 前記固定部材は、前記磁気コアの前記側面(14a)に溶接された前記ブリッジ部材の基部(20)から曲がって突出した固定ピン(30)又はタブを備える請求項9記載の磁気回路。
- 前記磁気回路は、前記巻回磁気コアのもう一つの側面(14b)に溶接される第二のブリッジ部材を備える請求項1〜10のいずれかに記載の磁気回路。
- 磁気回路の製造方法であって、
ストリップ状の透磁性の材料を巻くことにより、積層された多層の環状のコアを形成するステップと、
一つ以上の非磁性のブリッジ部材を前記積層された多層の環状のコアに溶接するステップと、
前記積層された多層の環状のコアの一部を貫通するようにギャップを機械加工するステップとを備え、
前記溶接するステップにおいて、前記ブリッジ部材は、前記ギャップの形成されるいずれかの側において巻回磁気コアの一方又は両方の側面(14b)に溶接されており、前記ブリッジ部材と前記磁気コアとの間の溶接接合部(22a)が前記積層された同心環状の層を前記コアの半径方向最内の環状の層(16)から半径方向最外の環状の層(18)へ横切って延在させてある磁気回路の製造方法。 - 前記コアの磁気特性を向上させるために、前記溶接及びギャップの機械加工の作業の後に、前記磁気回路を熱処理することを更に備える請求項12記載の磁気回路の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09153590.6 | 2009-02-25 | ||
EP09153590A EP2224461B1 (en) | 2009-02-25 | 2009-02-25 | Magnetic circuit with wound magnetic core |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010199585A JP2010199585A (ja) | 2010-09-09 |
JP5687433B2 true JP5687433B2 (ja) | 2015-03-18 |
Family
ID=40821582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010037298A Active JP5687433B2 (ja) | 2009-02-25 | 2010-02-23 | 巻回磁気コアを有する磁気回路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8138877B2 (ja) |
EP (1) | EP2224461B1 (ja) |
JP (1) | JP5687433B2 (ja) |
CN (1) | CN101814354B (ja) |
AT (1) | ATE535922T1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2546660A1 (en) * | 2011-07-13 | 2013-01-16 | LEM Intellectual Property SA | Electrical current sensor with grounded magnetic core |
FR2982409B1 (fr) * | 2011-11-07 | 2023-03-10 | Schneider Electric Ind Sas | Procede de fabrication d'un tore magnetique pour capteur de courant continu, et tore realise selon ce procede |
JP5587856B2 (ja) * | 2011-12-07 | 2014-09-10 | 株式会社エス・エッチ・ティ | 電流検出器 |
CN102637510A (zh) * | 2012-05-10 | 2012-08-15 | 无锡希恩电气有限公司 | 分段型铁芯 |
EP2741090B1 (en) | 2012-12-07 | 2015-07-29 | LEM Intellectual Property SA | Electrical current transducer with wound magnetic core |
EP2741091A1 (en) | 2012-12-07 | 2014-06-11 | LEM Intellectual Property SA | Electrical current transducer with grounding device |
US9214845B2 (en) | 2013-03-11 | 2015-12-15 | Tempel Steel Company | Process for annealing of helical wound cores used for automotive alternator applications |
US10847293B2 (en) | 2014-11-25 | 2020-11-24 | Cummins Inc. | Magnetic core with flexible packaging |
DE102015117651A1 (de) | 2015-10-16 | 2017-04-20 | Harting Electric Gmbh & Co. Kg | Sensorbaugruppe für einen Stromsensor, Stromsensor mit einer solchen Sensorbaugruppe, Halter für einen solchen Stromsensor sowie Verfahren zur Montage eines Stromsensors |
EP3330983B1 (en) * | 2016-11-30 | 2023-10-04 | Danfoss Editron Oy | An inductive device |
JP6538909B2 (ja) * | 2017-03-28 | 2019-07-03 | 株式会社タムラ製作所 | 電流検出器 |
JP2020035881A (ja) * | 2018-08-29 | 2020-03-05 | ファナック株式会社 | ギャップ付鉄心形リアクトル |
CN116380163B (zh) * | 2023-03-29 | 2024-01-19 | 青岛峻海物联科技有限公司 | 一种用于物联网的智能环境数据采集的传感装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB539093A (en) | 1939-06-21 | 1941-08-27 | British Thomson Houston Co Ltd | Improvements in and relating to cores for electrical apparatus and method of making the same |
DE1148020B (de) * | 1957-03-01 | 1963-05-02 | H C Hansen Electronics A G | Drosselspule bzw. Streufeldtransformator als Vorschaltgeraet fuer Gasentladungslampen mit rahmenfoermigem Mantel und Vorrichtung zur Herstellung des Mantels |
GB1464798A (en) * | 1973-08-20 | 1977-02-16 | Zumtobel W | Transformer or choke with an iron body |
JPS57193005A (en) * | 1981-05-23 | 1982-11-27 | Tdk Corp | Amorphous magnetic alloy thin belt for choke coil and magnetic core for the same |
JPS5856307A (ja) * | 1981-09-29 | 1983-04-04 | Fujitsu Ltd | トランス用コア及びその製造方法 |
JPS6039226U (ja) * | 1983-08-25 | 1985-03-19 | 八洲電機株式会社 | 鉄心 |
US4789849A (en) * | 1985-12-04 | 1988-12-06 | General Electric Company | Amorphous metal transformer core and coil assembly |
US4893400A (en) * | 1987-08-21 | 1990-01-16 | Westinghouse Electric Corp. | Method of making a repairable transformer having amorphous metal core |
JP2601297B2 (ja) | 1988-01-27 | 1997-04-16 | 富士写真フイルム株式会社 | ハロゲン化銀写真感光材料 |
JPH0346869U (ja) * | 1989-09-14 | 1991-04-30 | ||
US5441783A (en) * | 1992-11-17 | 1995-08-15 | Alliedsignal Inc. | Edge coating for amorphous ribbon transformer cores |
JPH08148352A (ja) * | 1994-11-22 | 1996-06-07 | Nippon Electric Ind Co Ltd | 磁気回路にギャップを備えた3相変圧器およびリアクタ |
JP3666737B2 (ja) * | 2000-09-12 | 2005-06-29 | 株式会社タムラ製作所 | リアクター |
US6498554B2 (en) * | 2001-03-15 | 2002-12-24 | Albert Chow | Auxiliary wiring structure for stabilizer |
US6583707B2 (en) * | 2001-04-25 | 2003-06-24 | Honeywell International Inc. | Apparatus and method for the manufacture of large transformers having laminated cores, particularly cores of annealed amorphous metal alloys |
US6765467B2 (en) * | 2001-04-25 | 2004-07-20 | Dung A. Ngo | Core support assembly for large wound transformer cores |
US6873239B2 (en) * | 2002-11-01 | 2005-03-29 | Metglas Inc. | Bulk laminated amorphous metal inductive device |
US6992555B2 (en) * | 2003-01-30 | 2006-01-31 | Metglas, Inc. | Gapped amorphous metal-based magnetic core |
EP1452878A1 (fr) * | 2003-02-27 | 2004-09-01 | Liaisons Electroniques-Mecaniques Lem S.A. | Capteur de courant électrique |
JP4681999B2 (ja) * | 2005-09-20 | 2011-05-11 | 株式会社エス・エッチ・ティ | 電流センサ用磁気コア装置及びその製造方法 |
US7307504B1 (en) * | 2007-01-19 | 2007-12-11 | Eaton Corporation | Current transformer, circuit interrupter including the same, and method of manufacturing the same |
-
2009
- 2009-02-25 EP EP09153590A patent/EP2224461B1/en not_active Not-in-force
- 2009-02-25 AT AT09153590T patent/ATE535922T1/de active
-
2010
- 2010-02-23 JP JP2010037298A patent/JP5687433B2/ja active Active
- 2010-02-23 US US12/660,210 patent/US8138877B2/en active Active
- 2010-02-24 CN CN2010101261848A patent/CN101814354B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
ATE535922T1 (de) | 2011-12-15 |
CN101814354A (zh) | 2010-08-25 |
JP2010199585A (ja) | 2010-09-09 |
EP2224461B1 (en) | 2011-11-30 |
CN101814354B (zh) | 2013-01-30 |
EP2224461A1 (en) | 2010-09-01 |
US8138877B2 (en) | 2012-03-20 |
US20100265027A1 (en) | 2010-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5687433B2 (ja) | 巻回磁気コアを有する磁気回路 | |
US9817037B2 (en) | Electrical current transducer with wound magnetic core | |
JP5967423B2 (ja) | 電線を流れる電流を測定するための装置 | |
US20080231138A1 (en) | Laminated core | |
US9645175B2 (en) | Electrical current transducer with grounding device | |
JP5414420B2 (ja) | 電流センサ及びその製造方法 | |
JP2012225921A (ja) | 磁気コアを備えている電流センサ | |
JP2013064608A (ja) | フラックスゲート電流センサ用ループコア、及びフラックスゲート電流センサ | |
JP5121679B2 (ja) | フラックスゲート型磁気センサ | |
JP2003215169A (ja) | 非接触式センサ用コアの製造方法、非接触式センサ用コア、及び、非接触式センサ | |
JP2016031293A (ja) | 磁気シールド及びその製造方法 | |
JPWO2003056347A1 (ja) | 電流検出器 | |
JP2000284000A (ja) | 電流検出装置 | |
US10281346B2 (en) | Magnetostrictive sensor | |
JPH11194141A (ja) | 電流検出器 | |
JP4890506B2 (ja) | 電流検出器 | |
JP2008203183A (ja) | 磁気コアユニット及びこれを用いたトルクセンサ | |
JP5007828B2 (ja) | トルクセンサ及びその製造方法 | |
WO2013038759A1 (ja) | フラックスゲート電流センサ用ループコア、及びフラックスゲート電流センサ | |
JP2019128253A (ja) | 磁気センサ、センサヘッド及び電流センサ | |
JP2013050330A (ja) | 磁気センサおよびそれを用いた電流センサ | |
JP5317027B2 (ja) | トルクセンサ | |
WO2019123790A1 (ja) | 電流センサ付きリアクトル | |
JP2004264226A (ja) | 荷重センサおよびその製造方法 | |
JP2013113718A (ja) | 磁気センサおよびそれを用いた電流センサ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130116 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20131016 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20131112 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20140206 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20140212 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140311 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150106 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150122 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5687433 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |