EP3614071B1 - Dispositif à cycle frigorifique - Google Patents
Dispositif à cycle frigorifique Download PDFInfo
- Publication number
- EP3614071B1 EP3614071B1 EP17906434.0A EP17906434A EP3614071B1 EP 3614071 B1 EP3614071 B1 EP 3614071B1 EP 17906434 A EP17906434 A EP 17906434A EP 3614071 B1 EP3614071 B1 EP 3614071B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- refrigerant
- heat exchanger
- compressor
- refrigeration cycle
- circuit
- 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
- 238000005057 refrigeration Methods 0.000 title claims description 90
- 239000003507 refrigerant Substances 0.000 claims description 304
- 239000007788 liquid Substances 0.000 claims description 33
- 239000003921 oil Substances 0.000 claims description 28
- 230000006870 function Effects 0.000 claims description 16
- 239000010721 machine oil Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 238000001816 cooling Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 239000012530 fluid Substances 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000012267 brine Substances 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010792 warming Methods 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
- F25B1/00—Compression machines, plants or systems with non-reversible 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
-
- 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
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
-
- 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
- F25B2400/23—Separators
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/07—Exceeding a certain pressure value in a refrigeration component or 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/26—Problems to be solved characterised by the startup of the refrigeration 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
Claims (8)
- Un appareil à cycle de réfrigération comprenant :un premier circuit de fluide frigorigène (C1) comprenant un premier compresseur (1), un séparateur d'huile (2), un premier échangeur de chaleur (3) qui fonctionne comme condenseur, un premier passage d'écoulement de fluide frigorigène d'un deuxième échangeur de chaleur (4), un premier dispositif d'expansion (5), et un troisième échangeur de chaleur (10) qui fonctionne comme évaporateur, le premier circuit de fluide frigorigène (C1) permettant à un premier fluide frigorigène de circuler dans celui-ci ;un deuxième circuit de fluide frigorigène (C2) comprenant un deuxième compresseur (14), un quatrième échangeur de chaleur (15) qui fonctionne comme condenseur, un deuxième dispositif d'expansion (16), et un deuxième passage d'écoulement de fluide frigorigène du deuxième échangeur de chaleur (4), le deuxième circuit de fluide frigorigène (C2) permettant à un deuxième fluide frigorigène de circuler dans celui-ci ;un circuit de retour d'huile (C3) qui comprend un premier dispositif d'ouverture et de fermeture (13), relie le séparateur d'huile (2) au premier compresseur (1), et renvoie vers le premier compresseur (1) l'huile de machine frigorifique stockée dans le séparateur d'huile (2), etun dispositif de commande (Cnt) conçu pour commander le premier compresseur (1), le deuxième compresseur (14), et le premier dispositif d'ouverture et de fermeture (13), dans lequelle premier circuit de fluide frigorigène (C1) est un circuit d'étage inférieur, et le deuxième circuit de réfrigérant (C2) est un circuit d'étage supérieur ; etl'appareil à cycle de réfrigération étant caractérisé en ce que :
le dispositif de commande (Cnt) est conçu pour exécuter une première commande de démarrage du deuxième compresseur (14) et d'ouverture du premier dispositif d'ouverture et de fermeture (13), dans un cas où le premier compresseur (1) et le deuxième compresseur (14) sont à l'arrêt, et une pression dans une partie à basse pression du premier circuit de fluide frigorigène (C1) est supérieure ou égale à une valeur de référence. - L'appareil à cycle de réfrigération de la revendication 1, comprenant en outre :un premier ventilateur (3A) qui fournit de l'air au premier échangeur de chaleur (3) ;un premier capteur de température (SE1) prévu dans le premier échangeur de chaleur (3) ;un deuxième ventilateur (10A) qui fournit de l'air au troisième échangeur de chaleur (10) ; etun deuxième capteur de température (SE2) prévu dans le troisième échangeur de chaleur (10), dans lequeldans un cas où une température détectée du premier échangeur de chaleur (3) n'est pas inférieure à une température détectée du troisième échangeur de chaleur (10), le dispositif de commande (Cnt) est conçu pour exécuter la première commande dans un état dans lequel le premier ventilateur (3A) et le deuxième ventilateur (10A) sont à l'arrêt.
- L'appareil à cycle de réfrigération de la revendication 2, dans lequel
le dispositif de commande (Cnt) est conçu pour exécuter une deuxième commande consistant à faire fonctionner le premier ventilateur (3A) dans un état dans lequel le deuxième compresseur (14) et le deuxième ventilateur (10A) sont à l'arrêt, sans exécuter la première commande, dans un cas où la température détectée du premier échangeur de chaleur (3) est inférieure à la température détectée du troisième échangeur de chaleur (10). - L'appareil à cycle de réfrigération de l'une quelconque des revendications 1 à 3, dans lequelle premier circuit de fluide frigorigène (C1) comprend en outre un récepteur de liquide (6) prévu sur un côté aval dans une direction d'écoulement du premier fluide frigorigène par rapport au premier passage d'écoulement de fluide frigorigène du deuxième échangeur de chaleur (4), et sur un côté amont dans la direction d'écoulement du premier fluide frigorigène par rapport au troisième échangeur de chaleur (10), etle récepteur de liquide (6) est disposé sur un côté inférieur par rapport au deuxième échangeur de chaleur (4).
- L'appareil à cycle de réfrigération de l'une quelconque des revendications 1 à 4, comprenant en outreune dérivation (C4) qui comprend un deuxième dispositif d'ouverture et de fermeture (13B) et contourne le premier compresseur (1), dans lequellors de la première commande, le deuxième dispositif d'ouverture et de fermeture (13B) est également ouvert.
- L'appareil à cycle de réfrigération de l'une quelconque des revendications 1 à 5, comprenant en outre
une partie de stockage électrique (Bt) qui fournit de l'énergie électrique au deuxième compresseur (14). - L'appareil à cycle de réfrigération de l'une quelconque des revendications 1 à 6, comprenant en outreun capteur de pression qui détecte la pression dans la partie à basse pression du premier circuit de fluide frigorigène (C1), dans lequelle dispositif de commande (Cnt) est conçu pour exécuter la première commande, dans un cas où le premier compresseur (1) et le deuxième compresseur (14) sont à l'arrêt, et la pression détectée dans la partie à basse pression du premier circuit de fluide frigorigène (C1) est supérieure ou égale à la valeur de référence.
- L'appareil à cycle de réfrigération de l'une quelconque des revendications 1à 7, dans lequel
le premier fluide frigorigène du premier passage d'écoulement de fluide frigorigène est refroidi par le deuxième fluide frigorigène, lorsque le deuxième fluide frigorigène circule dans le deuxième passage d'écoulement de fluide frigorigène.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/015474 WO2018193498A1 (fr) | 2017-04-17 | 2017-04-17 | Dispositif à cycle frigorifique |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3614071A1 EP3614071A1 (fr) | 2020-02-26 |
EP3614071A4 EP3614071A4 (fr) | 2020-03-11 |
EP3614071B1 true EP3614071B1 (fr) | 2021-12-22 |
Family
ID=63855761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17906434.0A Active EP3614071B1 (fr) | 2017-04-17 | 2017-04-17 | Dispositif à cycle frigorifique |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3614071B1 (fr) |
JP (1) | JP6758485B2 (fr) |
CN (1) | CN110494702B (fr) |
ES (1) | ES2905756T3 (fr) |
WO (1) | WO2018193498A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220097487A1 (en) * | 2019-01-09 | 2022-03-31 | Hanon Systems | Thermal management system |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04203760A (ja) * | 1990-11-29 | 1992-07-24 | Daikin Ind Ltd | 冷凍装置用圧縮機の油潤滑装置 |
JP3166334B2 (ja) * | 1992-07-15 | 2001-05-14 | ダイキン工業株式会社 | 二元冷凍機 |
CN100342193C (zh) * | 2002-09-26 | 2007-10-10 | 海尔集团公司 | 环保无氟超低温冷柜 |
WO2005121654A1 (fr) * | 2004-06-11 | 2005-12-22 | Daikin Industries, Ltd. | Appareil de surfusion |
JP4944828B2 (ja) * | 2008-03-31 | 2012-06-06 | サンデン株式会社 | 冷熱システム |
JP5551882B2 (ja) * | 2009-02-24 | 2014-07-16 | ダイキン工業株式会社 | ヒートポンプシステム |
US8011191B2 (en) * | 2009-09-30 | 2011-09-06 | Thermo Fisher Scientific (Asheville) Llc | Refrigeration system having a variable speed compressor |
KR101873595B1 (ko) * | 2012-01-10 | 2018-07-02 | 엘지전자 주식회사 | 캐스케이드 히트펌프 장치 및 그 구동 방법 |
JP5575192B2 (ja) * | 2012-08-06 | 2014-08-20 | 三菱電機株式会社 | 二元冷凍装置 |
JP5575191B2 (ja) | 2012-08-06 | 2014-08-20 | 三菱電機株式会社 | 二元冷凍装置 |
JP5901774B2 (ja) * | 2012-08-20 | 2016-04-13 | 三菱電機株式会社 | 冷凍装置 |
JP5819000B2 (ja) * | 2012-09-21 | 2015-11-18 | 三菱電機株式会社 | 冷凍装置 |
CN203274344U (zh) * | 2013-03-26 | 2013-11-06 | 安徽亿瑞深冷能源科技有限公司 | 一种节能复叠制冷系统 |
CN103499156B (zh) * | 2013-09-24 | 2015-12-09 | 广州赛宝仪器设备有限公司 | 高低温环境试验箱的控制方法 |
WO2016121184A1 (fr) * | 2015-01-29 | 2016-08-04 | 三菱電機株式会社 | Dispositif à cycle frigorifique |
-
2017
- 2017-04-17 EP EP17906434.0A patent/EP3614071B1/fr active Active
- 2017-04-17 CN CN201780089516.XA patent/CN110494702B/zh active Active
- 2017-04-17 JP JP2019513515A patent/JP6758485B2/ja active Active
- 2017-04-17 ES ES17906434T patent/ES2905756T3/es active Active
- 2017-04-17 WO PCT/JP2017/015474 patent/WO2018193498A1/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220097487A1 (en) * | 2019-01-09 | 2022-03-31 | Hanon Systems | Thermal management system |
Also Published As
Publication number | Publication date |
---|---|
ES2905756T3 (es) | 2022-04-12 |
JP6758485B2 (ja) | 2020-09-23 |
EP3614071A4 (fr) | 2020-03-11 |
CN110494702B (zh) | 2021-06-15 |
CN110494702A (zh) | 2019-11-22 |
WO2018193498A1 (fr) | 2018-10-25 |
JPWO2018193498A1 (ja) | 2019-11-14 |
EP3614071A1 (fr) | 2020-02-26 |
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