CN102314988B - 磁体组件及其温控方法 - Google Patents

磁体组件及其温控方法 Download PDF

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Publication number
CN102314988B
CN102314988B CN201010218773.9A CN201010218773A CN102314988B CN 102314988 B CN102314988 B CN 102314988B CN 201010218773 A CN201010218773 A CN 201010218773A CN 102314988 B CN102314988 B CN 102314988B
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CN
China
Prior art keywords
iron yoke
magnet
heating device
temperature coefficient
coefficient heating
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
CN201010218773.9A
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English (en)
Chinese (zh)
Other versions
CN102314988A (zh
Inventor
武安波
潘军
赵燕
黄先锐
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General Electric Co
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General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to CN201010218773.9A priority Critical patent/CN102314988B/zh
Priority to US13/164,827 priority patent/US8581681B2/en
Priority to JP2011141293A priority patent/JP5809858B2/ja
Publication of CN102314988A publication Critical patent/CN102314988A/zh
Application granted granted Critical
Publication of CN102314988B publication Critical patent/CN102314988B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/04—Cooling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • 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
    • Y10T29/49014—Superconductor

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201010218773.9A 2010-06-30 2010-06-30 磁体组件及其温控方法 Expired - Fee Related CN102314988B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201010218773.9A CN102314988B (zh) 2010-06-30 2010-06-30 磁体组件及其温控方法
US13/164,827 US8581681B2 (en) 2010-06-30 2011-06-21 Magnet assemblies and methods for temperature control of the magnet assemblies
JP2011141293A JP5809858B2 (ja) 2010-06-30 2011-06-27 マグネットアセンブリ及びマグネットアセンブリの温度制御のための方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010218773.9A CN102314988B (zh) 2010-06-30 2010-06-30 磁体组件及其温控方法

Publications (2)

Publication Number Publication Date
CN102314988A CN102314988A (zh) 2012-01-11
CN102314988B true CN102314988B (zh) 2014-05-07

Family

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Family Applications (1)

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CN201010218773.9A Expired - Fee Related CN102314988B (zh) 2010-06-30 2010-06-30 磁体组件及其温控方法

Country Status (3)

Country Link
US (1) US8581681B2 (https=)
JP (1) JP5809858B2 (https=)
CN (1) CN102314988B (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106571207B (zh) * 2016-10-20 2017-12-01 云南电网有限责任公司电力科学研究院 一种高温超导磁体
CN110307890A (zh) * 2019-07-18 2019-10-08 上海舜宇恒平科学仪器有限公司 一种减小电磁力天平温度漂移的装置和方法
CN115087342B (zh) * 2022-07-25 2022-11-15 之江实验室 一种双层真空超导磁屏蔽系统及原子磁强计

Citations (5)

* Cited by examiner, † Cited by third party
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CN2104986U (zh) * 1990-04-11 1992-05-20 江苏省宜兴陶瓷公司研究所 加热装置
CN1269512A (zh) * 1999-04-07 2000-10-11 通用电器横河医疗系统株式会社 磁场稳定方法、磁场产生设备、和磁共振成像设备
CN1684330A (zh) * 2004-04-16 2005-10-19 通用电气公司 保护磁共振成像系统的方法和装置
CN1835318A (zh) * 2005-02-04 2006-09-20 西门子磁体技术有限公司 超导磁体的失超保护电路
US7276997B2 (en) * 2005-01-29 2007-10-02 General Electric Apparatus for positioning a non-imaged extremity during a magnetic imaging process

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JPS58207608A (ja) * 1982-05-28 1983-12-03 Mitsubishi Electric Corp 超電導マグネツト
JPS61159714A (ja) * 1985-01-07 1986-07-19 Mitsubishi Electric Corp 超電導マグネツト
JPS6454714A (en) * 1987-08-26 1989-03-02 Hitachi Ltd Active shield type superconducting magnet device
JPH02232035A (ja) * 1989-03-07 1990-09-14 Toshiba Corp 磁気共鳴装置用磁場装置
JPH0334404A (ja) * 1989-06-30 1991-02-14 Mitsubishi Electric Corp 極低温冷凍装置
JP2726499B2 (ja) * 1989-07-06 1998-03-11 古河電気工業株式会社 超電導利用機器
JPH05161625A (ja) * 1991-12-13 1993-06-29 Toshiba Corp 超電導装置
JPH06165766A (ja) * 1992-11-30 1994-06-14 Toshiba Corp Ｍｒｉ装置用マグネットの表面温度調節方法
JPH06213987A (ja) * 1993-01-18 1994-08-05 Toshiba Corp ヨークシールドの温度保持装置およびそれを用いた磁石装置
JP3472642B2 (ja) * 1995-03-31 2003-12-02 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置のマグネットアセンブリ
DE69738995D1 (de) * 1996-10-30 2008-10-30 Hitachi Medical Corp Supraleitende magnetfelderzeugende einrichtung
JPH10241841A (ja) * 1997-02-26 1998-09-11 Idemitsu Kosan Co Ltd 蓄熱材を用いた加熱・保温装置
US6783059B2 (en) * 2002-12-23 2004-08-31 General Electric Company Conduction cooled passively-shielded MRI magnet
JP4793804B2 (ja) * 2004-02-04 2011-10-12 エスケー化研株式会社 床暖房構造体
JP2005288044A (ja) * 2004-04-06 2005-10-20 Hitachi Medical Corp 磁気共鳴イメージング装置
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US6906517B1 (en) * 2004-09-28 2005-06-14 General Electric Company Method and apparatus for maintaining thermal stability of permanent magnets in MRI systems
US20060098337A1 (en) * 2004-11-10 2006-05-11 Hung-Chin Guthrie Tungsten heat sink structures in a thin film magnetic head
US20060226940A1 (en) * 2005-04-07 2006-10-12 Hitachi Global Storage Technologies Method and apparatus for setting a sensor AFM with a superconducting magnet
JP5052761B2 (ja) * 2005-05-09 2012-10-17 株式会社日立メディコ 磁気共鳴イメージング装置
JP4404021B2 (ja) * 2005-06-30 2010-01-27 株式会社日立製作所 Ｍｒｉ用超電導磁石
US7319327B2 (en) * 2005-11-17 2008-01-15 General Electric Company Magnetic resonance imaging system with reduced cooling needs
US7500366B2 (en) * 2005-12-08 2009-03-10 Shi-Apd Cryogencis, Inc. Refrigerator with magnetic shield
JP4840159B2 (ja) * 2006-06-29 2011-12-21 株式会社デンソー 負荷駆動制御装置および負荷駆動制御システム
US7489132B2 (en) * 2006-12-15 2009-02-10 General Electric Company Enhanced heat transfer in MRI gradient coils with phase-change materials
US7962019B2 (en) * 2007-11-09 2011-06-14 General Electric Company System, method and apparatus for controlling drift of a main magnetic field in an MRI system
JP2009183372A (ja) * 2008-02-04 2009-08-20 Sumitomo Electric Ind Ltd 磁気共鳴イメージング装置
CN101303607B (zh) * 2008-06-13 2011-04-27 百利通电子(上海)有限公司 一种正温度系数发热元件温度控制方法
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2104986U (zh) * 1990-04-11 1992-05-20 江苏省宜兴陶瓷公司研究所 加热装置
CN1269512A (zh) * 1999-04-07 2000-10-11 通用电器横河医疗系统株式会社 磁场稳定方法、磁场产生设备、和磁共振成像设备
CN1684330A (zh) * 2004-04-16 2005-10-19 通用电气公司 保护磁共振成像系统的方法和装置
US7276997B2 (en) * 2005-01-29 2007-10-02 General Electric Apparatus for positioning a non-imaged extremity during a magnetic imaging process
CN1835318A (zh) * 2005-02-04 2006-09-20 西门子磁体技术有限公司 超导磁体的失超保护电路

Also Published As

Publication number Publication date
CN102314988A (zh) 2012-01-11
JP2012039092A (ja) 2012-02-23
JP5809858B2 (ja) 2015-11-11
US20120004109A1 (en) 2012-01-05
US8581681B2 (en) 2013-11-12

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Granted publication date: 20140507

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