JP6975019B2 - 極低温システム - Google Patents
極低温システム Download PDFInfo
- Publication number
- JP6975019B2 JP6975019B2 JP2017207999A JP2017207999A JP6975019B2 JP 6975019 B2 JP6975019 B2 JP 6975019B2 JP 2017207999 A JP2017207999 A JP 2017207999A JP 2017207999 A JP2017207999 A JP 2017207999A JP 6975019 B2 JP6975019 B2 JP 6975019B2
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- refrigerant circulation
- refrigerator
- stage
- circulation loop
- 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
- 239000003507 refrigerant Substances 0.000 claims description 364
- 238000001816 cooling Methods 0.000 claims description 122
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 32
- 230000002265 prevention Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000004323 axial length Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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
- 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
- F25B9/10—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point with several cooling stages
-
- 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
- F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
-
- 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
-
- 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
- F25D19/006—Thermal coupling structure or interface
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1428—Control of a Stirling refrigeration machine
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Description
Claims (6)
- 極低温冷却部と、
前記極低温冷却部と冷媒との熱交換により前記極低温冷却部を冷却するよう構成された複数の冷媒循環ループであって、各冷媒循環ループが、前記冷媒を循環させる循環ポンプと、前記冷媒を冷却する機械式冷凍機と、を備える複数の冷媒循環ループと、
前記冷媒を流通可能に前記複数の冷媒循環ループを相互連結する連結ラインと、を備え、
前記連結ラインは、非連結状態から連結状態に切替可能に構成され、前記非連結状態では各冷媒循環ループの循環ポンプが当該冷媒循環ループについて前記冷媒を循環させるように前記複数の冷媒循環ループを相互に切り離し、前記連結状態では少なくとも1つの冷媒循環ループの循環ポンプが他の少なくとも1つの冷媒循環ループについても前記冷媒を循環させるように前記複数の冷媒循環ループを連結し、
前記複数の冷媒循環ループの各々は、一方が前記循環ポンプの上流側に設けられ、他方が前記循環ポンプの下流側に設けられ、前記非連結状態では開放され前記連結状態では閉鎖される一組の逆流防止用開閉弁を備えることを特徴とする極低温システム。 - 前記連結ラインは、2つの冷媒循環ループをつなぐ連結流路と、前記連結流路に設けられ、前記非連結状態では閉鎖され前記連結状態では開放される連結用開閉弁を備えることを特徴とする請求項1に記載の極低温システム。
- 前記連結ラインは、前記極低温システムの常温部に配置されていることを特徴とする請求項1または2に記載の極低温システム。
- 前記一組の逆流防止用開閉弁は、前記極低温システムの常温部に配置されていることを特徴とする請求項1から3のいずれかに記載の極低温システム。
- 少なくとも1つの冷媒循環ループは、各々が前記機械式冷凍機を備え、前記循環ポンプが前記冷媒を循環させる複数の冷媒循環サブループを備え、
前記複数の冷媒循環サブループは、個別に前記循環ポンプから切り離し可能であることを特徴とする請求項1から4のいずれかに記載の極低温システム。 - 少なくとも1つの冷媒循環ループは、前記極低温システムの低温部に配置された低温部冷媒管を備え、
前記機械式冷凍機が機能しない場合に想定される前記極低温システムの常温部から前記機械式冷凍機の冷凍機ステージへの熱伝導による単位時間あたり熱量が、前記冷凍機ステージから前記低温部冷媒管を通じた前記極低温冷却部への熱伝導による単位時間あたり熱量の1/100〜1/1000であることを特徴とする請求項1から5のいずれかに記載の極低温システム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017207999A JP6975019B2 (ja) | 2017-10-27 | 2017-10-27 | 極低温システム |
EP18200885.4A EP3477223B1 (en) | 2017-10-27 | 2018-10-17 | Cryogenic system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017207999A JP6975019B2 (ja) | 2017-10-27 | 2017-10-27 | 極低温システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019078511A JP2019078511A (ja) | 2019-05-23 |
JP6975019B2 true JP6975019B2 (ja) | 2021-12-01 |
Family
ID=63878491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017207999A Active JP6975019B2 (ja) | 2017-10-27 | 2017-10-27 | 極低温システム |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3477223B1 (ja) |
JP (1) | JP6975019B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021127885A (ja) * | 2020-02-17 | 2021-09-02 | 住友重機械工業株式会社 | 極低温システム |
IT202100003458A1 (it) * | 2021-02-16 | 2022-08-16 | Gran Sasso Science Inst | Sistema e metodo per la riduzione delle vibrazioni nei sistemi ad oscillazione di pressione |
CN118451287A (zh) * | 2022-01-31 | 2024-08-06 | 住友重机械工业株式会社 | 超低温冷却装置 |
US20240118004A1 (en) * | 2022-10-07 | 2024-04-11 | Hamilton Sundstrand Corporation | Cryocooler with transient thermal storage |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19720677C1 (de) * | 1997-05-16 | 1998-10-22 | Spectrospin Ag | NMR-Meßvorrichtung mit gekühltem Meßkopf |
US6679066B1 (en) * | 2002-08-16 | 2004-01-20 | Sumitomo Heavy Industries, Ltd. | Cryogenic cooling system for superconductive electric machines |
JP4040626B2 (ja) * | 2002-12-16 | 2008-01-30 | 住友重機械工業株式会社 | 冷凍機の取付方法及び装置 |
US7003977B2 (en) * | 2003-07-18 | 2006-02-28 | General Electric Company | Cryogenic cooling system and method with cold storage device |
JP2005201604A (ja) * | 2004-01-19 | 2005-07-28 | Sumitomo Heavy Ind Ltd | 低温冷却システム及び蓄熱装置 |
US7263845B2 (en) * | 2004-09-29 | 2007-09-04 | The Boc Group, Inc. | Backup cryogenic refrigeration system |
EP2562489B1 (en) * | 2010-04-23 | 2020-03-04 | Sumitomo Heavy Industries, LTD. | Cooling system and cooling method |
JP6523779B2 (ja) * | 2015-05-11 | 2019-06-05 | 株式会社東芝 | 極低温冷却装置および極低温冷却方法 |
WO2016194143A1 (ja) * | 2015-06-02 | 2016-12-08 | 三菱電機株式会社 | 冷凍サイクルシステム |
-
2017
- 2017-10-27 JP JP2017207999A patent/JP6975019B2/ja active Active
-
2018
- 2018-10-17 EP EP18200885.4A patent/EP3477223B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3477223A1 (en) | 2019-05-01 |
JP2019078511A (ja) | 2019-05-23 |
EP3477223B1 (en) | 2020-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6975019B2 (ja) | 極低温システム | |
EP3477225B1 (en) | Cryogenic system | |
US9612062B2 (en) | Cooling system and cooling method | |
WO2014178240A1 (ja) | 冷凍システム | |
US20110000228A1 (en) | Hybrid cryocooler with multiple passive stages | |
JP3702964B2 (ja) | 多段低温冷凍機 | |
US20230107973A1 (en) | Dilution refrigeration device and method | |
US20190226724A1 (en) | Compact Low-power Cryo-Cooling Systems for Superconducting Elements | |
KR100999687B1 (ko) | 냉각장치가 탑재된 회전자를 구비한 초전도 회전기기 | |
JP2008538856A (ja) | クライオスタットアセンブリ | |
CN106062491B (zh) | 混合式布雷顿-吉福德-麦克马洪膨胀机 | |
GB2503573A (en) | Pulse tube refrigerator having reduced vibrations, particularly for use in MRI systems | |
JP5380310B2 (ja) | 極低温冷凍機 | |
EP3865789A1 (en) | Cryogenic system | |
JP2003194428A (ja) | 冷却装置 | |
JP2007078310A (ja) | 極低温冷却装置 | |
JP2000220902A (ja) | 冷却装置 | |
WO2023145302A1 (ja) | 極低温冷却装置 | |
US20220349628A1 (en) | Compact Low-power Cryo-Cooling Systems for Superconducting Elements | |
US20170343246A1 (en) | Closed cycle cryogen recirculation system and method | |
JP2022538133A (ja) | 特に宇宙船の放射線検出器用低温冷却器 | |
WO2024111338A1 (ja) | ジュール・トムソン冷凍機 | |
JP2014044018A (ja) | 極低温冷凍機 | |
WO2023203277A1 (en) | Cryostat, and method for cooling a cryostat | |
CN118168181A (zh) | 脉管制冷机及脉管制冷机的降温方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200617 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210430 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210518 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210712 |
|
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: 20211102 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20211105 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6975019 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |