CN1302494C - 变压器屏蔽 - Google Patents

变压器屏蔽 Download PDF

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Publication number
CN1302494C
CN1302494C CNB021437610A CN02143761A CN1302494C CN 1302494 C CN1302494 C CN 1302494C CN B021437610 A CNB021437610 A CN B021437610A CN 02143761 A CN02143761 A CN 02143761A CN 1302494 C CN1302494 C CN 1302494C
Authority
CN
China
Prior art keywords
iron core
screening arrangement
core part
electric conducting
conducting material
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
Application number
CNB021437610A
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English (en)
Chinese (zh)
Other versions
CN1419252A (zh
Inventor
顾文建
R·P·帕克
J·A·索赞斯基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bose Corp
Original Assignee
Bose Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bose Corp filed Critical Bose Corp
Publication of CN1419252A publication Critical patent/CN1419252A/zh
Application granted granted Critical
Publication of CN1302494C publication Critical patent/CN1302494C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • H01F27/288—Shielding
    • H01F27/2885—Shielding with shields or electrodes
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • 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
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Coils Or Transformers For Communication (AREA)
CNB021437610A 2001-08-13 2002-08-13 变压器屏蔽 Expired - Fee Related CN1302494C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/928775 2001-08-13
US09/928,775 US7477120B2 (en) 2001-08-13 2001-08-13 Transformer shielding

Publications (2)

Publication Number Publication Date
CN1419252A CN1419252A (zh) 2003-05-21
CN1302494C true CN1302494C (zh) 2007-02-28

Family

ID=25456738

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB021437610A Expired - Fee Related CN1302494C (zh) 2001-08-13 2002-08-13 变压器屏蔽

Country Status (5)

Country Link
US (1) US7477120B2 (enExample)
EP (1) EP1284487B1 (enExample)
JP (1) JP4503223B2 (enExample)
CN (1) CN1302494C (enExample)
DE (1) DE60215593T2 (enExample)

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US7046111B2 (en) * 2002-11-18 2006-05-16 Illinoise Tool Works Inc. Inductor assembly
US7084728B2 (en) 2003-12-15 2006-08-01 Nokia Corporation Electrically decoupled integrated transformer having at least one grounded electric shield
US7495539B2 (en) * 2006-10-02 2009-02-24 General Electric Company Filament transformer for X-ray tubes
US8581437B2 (en) * 2006-12-20 2013-11-12 Analogic Corporation Non-contact rotary power transfer system
JP2010073330A (ja) * 2008-09-16 2010-04-02 Koito Mfg Co Ltd 放電ランプ装置用水銀フリーアークチューブおよび同アークチューブの製造方法
JP5388532B2 (ja) * 2008-10-03 2014-01-15 三菱電機株式会社 静電板
US20130200975A1 (en) * 2010-02-12 2013-08-08 Cramer Coil & Transformer Co. Integrated common mode, differential mode audio filter inductor
GB2492597B (en) * 2011-07-08 2016-04-06 E2V Tech Uk Ltd Transformer with an inverter system and an inverter system comprising the transformer
US9230732B2 (en) 2012-01-17 2016-01-05 Texas Instruments Incorporated Wireless power transfer
JP5682615B2 (ja) 2012-02-03 2015-03-11 株式会社デンソー 磁気部品
US9953756B2 (en) * 2012-09-21 2018-04-24 Ppc Broadband, Inc. Radio frequency transformer winding coil structure
KR101327998B1 (ko) * 2012-11-13 2013-11-13 주식회사 효성 변압기용 부분방전 검출장치 및 이를 구비한 변압기
EP2797091A1 (en) * 2013-04-25 2014-10-29 Nxp B.V. Transformer and power supply using the transformer
US9967984B1 (en) 2015-01-14 2018-05-08 Vlt, Inc. Power adapter packaging
US10049810B2 (en) * 2015-11-09 2018-08-14 Raytheon Company High voltage high frequency transformer
US10158357B1 (en) * 2016-04-05 2018-12-18 Vlt, Inc. Method and apparatus for delivering power to semiconductors
EP3443572B1 (en) * 2016-04-14 2021-06-09 Signify Holding B.V. Split transformer assembly
US10050533B2 (en) * 2016-07-26 2018-08-14 Raytheon Company High voltage high frequency transformer
US10672553B2 (en) 2017-05-10 2020-06-02 Raytheon Company High voltage high frequency transformer
US10553339B1 (en) * 2018-03-30 2020-02-04 Universal Lighting Technologies, Inc. Common-mode choke with integrated RF inductor winding
CN109542197A (zh) * 2018-11-19 2019-03-29 深圳爱科思达科技有限公司 一种电源电路综合保护装置
JP7300381B2 (ja) * 2019-12-23 2023-06-29 株式会社日立製作所 変圧器及びこれを用いた電力変換装置
FR3110780B1 (fr) * 2020-05-20 2022-12-30 Safran Electronics & Defense Système de connexion pour l’échange de signaux électriques à connecteurs symétriques magnétiques.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1039686A (zh) * 1988-07-26 1990-02-14 国营宏明无线电器材厂 直流电动机可控硅可逆调速装置

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US792248A (en) 1904-10-08 1905-06-13 American Telephone & Telegraph Induction-coil.
DE1283308B (de) 1966-03-25 1968-11-21 Hellige & Co Gmbh F Netzteil fuer elektrische Verstaerker mit erdfreiem Betrieb
US3376531A (en) * 1966-08-26 1968-04-02 Westinghouse Electric Corp Electrical inductive apparatus with wire cloth shielding means
US3376523A (en) * 1966-12-27 1968-04-02 Univ California Transient-suppressing magnetic transmission line
US3963975A (en) 1975-03-05 1976-06-15 General Electric Company Electromagnetically shielded electrical power supply with reduced common mode electromagnetic interference output
AU511007B2 (en) 1975-06-11 1980-07-24 Sony Corporation Transformer
JPS5336156A (en) * 1976-09-16 1978-04-04 Hitachi Ltd Magnetron unit
JPS5833648B2 (ja) * 1977-01-21 1983-07-21 株式会社東芝 マグネトロン装置
JPS596046B2 (ja) * 1978-03-25 1984-02-08 昭彦 矢ケ崎 磁路と良電導体板による障害波遮断装置
US4484171A (en) 1983-02-18 1984-11-20 Mcloughlin Robert C Shielded transformer
JPS6026611U (ja) * 1983-07-29 1985-02-22 株式会社三協精機製作所 多素子磁気ヘッド
JPS61201404A (ja) * 1985-03-04 1986-09-06 Hitachi Ltd 静止形保護継電器のギヤツプ付入力変成器
JPS6384106A (ja) 1986-09-29 1988-04-14 Nippon Telegr & Teleph Corp <Ntt> 絶縁トランス及びその製造方法
CA1309752C (en) 1987-05-14 1992-11-03 Kimiaki Yamaguchi Stationary induction apparatus
JPH0717132Y2 (ja) * 1988-02-16 1995-04-19 相原電機株式会社 障害波防止型変圧器
DE68919640T2 (de) 1988-10-13 1995-07-06 Matsushita Electric Ind Co Ltd Hochfrequenzheizgerät mit einer frequenzumwandelnden Speisung.
NL8901961A (nl) 1989-07-28 1991-02-18 Koninkl Philips Electronics Nv Generator voor het opwekken van een elektrische spanning.
US5386148A (en) * 1992-05-08 1995-01-31 Fiori, Jr.; David Signal conditioning apparatus
JPH06132146A (ja) 1992-10-15 1994-05-13 Matsushita Electric Ind Co Ltd トランスおよびそれを用いた電子機器
JPH06181132A (ja) * 1992-12-11 1994-06-28 Yokogawa Electric Corp トランス
JPH06283340A (ja) 1993-03-29 1994-10-07 Yokogawa Electric Corp プリントコイル形トランス
JPH0745451A (ja) * 1993-07-29 1995-02-14 Hitachi Ltd スイッチングトランス
US5600099A (en) 1994-12-02 1997-02-04 Augat Inc. Chemically grafted electrical devices
CN2269026Y (zh) 1996-02-01 1997-11-26 刘志宏 耳机式调频立体声收音机
US5724236A (en) 1996-03-05 1998-03-03 Motorola, Inc. Power converter transformer having an auxilliary winding and electrostatic shield to suppress noise
AU6468198A (en) 1997-05-02 1998-11-27 Board Of Trustees Of The Leland Stanford Junior University Patterned ground shields for integrated circuit inductors
KR100335346B1 (ko) * 1997-11-11 2002-06-20 이사오 우치가사키 전자파차폐성접착필름,이필름을채용한전자파차폐성어셈블리및표시소자
JP4547738B2 (ja) 1999-09-06 2010-09-22 ソニー株式会社 電子機器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1039686A (zh) * 1988-07-26 1990-02-14 国营宏明无线电器材厂 直流电动机可控硅可逆调速装置

Also Published As

Publication number Publication date
EP1284487A3 (en) 2003-11-05
HK1054463A1 (en) 2003-11-28
US7477120B2 (en) 2009-01-13
JP4503223B2 (ja) 2010-07-14
EP1284487B1 (en) 2006-10-25
CN1419252A (zh) 2003-05-21
DE60215593D1 (de) 2006-12-07
US20030030534A1 (en) 2003-02-13
JP2003086436A (ja) 2003-03-20
EP1284487A2 (en) 2003-02-19
DE60215593T2 (de) 2007-02-01

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