JP4565226B2 - 冷媒循環装置および冷媒循環方法 - Google Patents
冷媒循環装置および冷媒循環方法 Download PDFInfo
- Publication number
- JP4565226B2 JP4565226B2 JP2004107891A JP2004107891A JP4565226B2 JP 4565226 B2 JP4565226 B2 JP 4565226B2 JP 2004107891 A JP2004107891 A JP 2004107891A JP 2004107891 A JP2004107891 A JP 2004107891A JP 4565226 B2 JP4565226 B2 JP 4565226B2
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- Prior art keywords
- refrigerant
- helium
- storage tank
- dewar
- condenser
- 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.)
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Links
- 239000003507 refrigerant Substances 0.000 title claims description 83
- 238000000034 method Methods 0.000 title description 19
- 239000007788 liquid Substances 0.000 claims description 72
- 238000001514 detection method Methods 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 claims 1
- 239000001307 helium Substances 0.000 description 148
- 229910052734 helium Inorganic materials 0.000 description 148
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 148
- 239000007789 gas Substances 0.000 description 71
- 238000001816 cooling Methods 0.000 description 22
- 238000011084 recovery Methods 0.000 description 20
- 238000012546 transfer Methods 0.000 description 20
- 238000005259 measurement Methods 0.000 description 15
- 238000005192 partition Methods 0.000 description 7
- 241000238366 Cephalopoda Species 0.000 description 6
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007177 brain activity Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Description
2 SQUID
3 デュワー
14 トランスファチューブ
20 ヘリウム循環装置
21 循環ポンプ
22 GM冷凍機
25 ヘリウムボンベ
30 精製器
40 凝縮器
41 ヒータ
100 制御ユニット
301 内槽
302 外槽
304 断熱空間
305 上側インサート
306,309 真空チャンバ
307,310,311,312,319 空間
308 下側インサート
313,315 熱シールド部材
314,316,317,318 伝熱部材
320 隙間
350 液面計
EV1,EV2,EV3,EV4,EV5 電磁弁
L10 第1回収管
L11 冷却管
L12 ガス管
L20 第2回収管
L21 返送管
Pa 圧力センサ
Pb 圧力センサ
Claims (4)
- 極低温の液状冷媒を貯留する貯留槽と、冷凍機に接続されており、前記冷媒を再液化させることができる凝縮器とを有し、前記貯留槽と前記凝縮器との間で前記冷媒を循環させる冷媒循環装置であって、
前記貯留槽内の冷媒ガスの一部を前記冷凍機に導くと共に、前記冷凍機により冷却された冷媒ガスを前記貯留槽に返送するための第1の系統と、
前記貯留槽内の冷媒ガスの一部を前記凝縮器に導くと共に、前記凝縮器で液化した冷媒を前記貯留槽に返送するための第2の系統と、
前記凝縮器に設けられたヒータと、
前記貯留槽内の圧力に応じて前記ヒータを制御する制御手段と、
を備えることを特徴とする冷媒循環装置。 - 前記第1の系統は、前記貯留槽内の冷媒ガスが前記貯留槽に侵入しようとする熱を奪って前記冷凍機に向かうように構成された領域を含むことを特徴とする請求項1に記載の冷媒循環装置。
- 前記第1の系統に接続されており、補充用の冷媒を貯留する補充用貯留手段を更に備え、
前記補充用貯留手段から前記第1の系統の一部を介して冷媒を前記貯留槽内に供給可能であることを特徴とする請求項1または2に記載の冷媒循環装置。 - 前記貯留槽内の液状冷媒の液面レベルを検出する液面検出手段を更に備え、
前記制御手段は、前記液面検出手段の検出値に応じて、前記冷媒貯留手段から前記第1の系統の一部を介して前記貯留槽内に冷媒が供給されるようにすることを特徴とする請求項1から3の何れかに記載の冷媒循環装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004107891A JP4565226B2 (ja) | 2004-03-31 | 2004-03-31 | 冷媒循環装置および冷媒循環方法 |
PCT/JP2005/006191 WO2005095871A1 (ja) | 2004-03-31 | 2005-03-30 | 冷媒循環装置および冷媒循環方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004107891A JP4565226B2 (ja) | 2004-03-31 | 2004-03-31 | 冷媒循環装置および冷媒循環方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005291629A JP2005291629A (ja) | 2005-10-20 |
JP4565226B2 true JP4565226B2 (ja) | 2010-10-20 |
Family
ID=35063867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004107891A Expired - Fee Related JP4565226B2 (ja) | 2004-03-31 | 2004-03-31 | 冷媒循環装置および冷媒循環方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4565226B2 (ja) |
WO (1) | WO2005095871A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4908439B2 (ja) * | 2008-02-28 | 2012-04-04 | 住友重機械工業株式会社 | 冷却システム及び脳磁計 |
FR2989156B1 (fr) * | 2012-04-04 | 2018-06-29 | L'air Liquide,Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Dispositif de stockage de produits a des temperatures cryogeniques |
KR101632280B1 (ko) | 2014-09-05 | 2016-07-01 | 한국표준과학연구원 | 냉각기 냉각형 스퀴드 측정 장치 |
KR101632293B1 (ko) * | 2014-09-12 | 2016-06-21 | 한국표준과학연구원 | 냉각기 냉각형 초전도양자간섭소자 시스템 및 냉각기 냉각형 초전도양자간섭소자 시스템의 동작 방법 |
KR101606756B1 (ko) * | 2014-09-12 | 2016-04-11 | 한국표준과학연구원 | 냉각기 냉각형 초전도양자간섭소자 시스템 및 냉각기 냉각형 초전도양자간섭소자 측정 방법 |
JP6619958B2 (ja) * | 2015-06-25 | 2019-12-11 | 株式会社 フジヒラ | 微弱磁気計測装置の冷却システム |
CN115388615B (zh) * | 2022-04-19 | 2023-11-24 | 北京师范大学 | 一种氩液化*** |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2581058B2 (ja) * | 1987-03-05 | 1997-02-12 | アイシン精機株式会社 | 再液化装置 |
JP2004028516A (ja) * | 2002-06-28 | 2004-01-29 | Sanyo Electric Co Ltd | 保存装置 |
-
2004
- 2004-03-31 JP JP2004107891A patent/JP4565226B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-30 WO PCT/JP2005/006191 patent/WO2005095871A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2581058B2 (ja) * | 1987-03-05 | 1997-02-12 | アイシン精機株式会社 | 再液化装置 |
JP2004028516A (ja) * | 2002-06-28 | 2004-01-29 | Sanyo Electric Co Ltd | 保存装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2005291629A (ja) | 2005-10-20 |
WO2005095871A1 (ja) | 2005-10-13 |
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