CN1777780A - 制冷系统和操作这种系统的方法 - Google Patents
制冷系统和操作这种系统的方法 Download PDFInfo
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- CN1777780A CN1777780A CN200480009969.XA CN200480009969A CN1777780A CN 1777780 A CN1777780 A CN 1777780A CN 200480009969 A CN200480009969 A CN 200480009969A CN 1777780 A CN1777780 A CN 1777780A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 6
- 239000003507 refrigerant Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 2
- 125000002015 acyclic group Chemical group 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 230000001052 transient effect Effects 0.000 claims 1
- 206010000060 Abdominal distension Diseases 0.000 description 4
- 208000024330 bloating Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
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- 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
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- 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/044—Condensers with an integrated receiver
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- 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
- F25B2400/16—Receivers
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- 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
- F25B2500/01—Geometry problems, e.g. for reducing size
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- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2503—Condenser exit valves
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- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2511—Evaporator distribution valves
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Details Of Measuring And Other Instruments (AREA)
Abstract
本发明涉及一种制冷系统,该制冷系统包括一个压缩机(10),压缩机(10)通过一含有循环制冷剂的闭合回路与一冷凝器(14,14a)和两个或更多个蒸发器(21,28)相连。该回路包括一容器(19,19a)或类似的装置,该容器(19,19a)与冷凝器(14,14a)相连通,且具有至少一第一出口,该第一出口通过一第一阀门(22,22a)与至少一个蒸发器(21)相连通。容器(19,19a)设置用来接收和暂时存储流自冷凝器的一定体积的制冷剂。容器(19,19a)还提供有至少一第二出口(26,26a),该第二出口(26,26a)与一个或几个附加的蒸发器(28)相连通,以当容器(19,19a)中已经存储了所述体积时,通过至少一个最后所述的蒸发器(28)循环制冷剂的剩余部分,所述的第二出口(26,26a)位于所述第一出口的上方。
Description
技术领域
本发明涉及一种制冷系统,该制冷系统包括一压缩机,压缩机通过一含有循环制冷剂的闭合回路与一冷凝器以及两个或更多个蒸发器相连。本发明还涉及一种操作这种系统的方法。
背景技术
上述类型的制冷系统是先前已知的,其用于如制冷机/冷冻机内。在这类的系统中,当使用两个或更多个蒸发器时,如果每个蒸发器工作在不同的温度水平和/或热负荷下,系统将存在获得最大能量效率的难题。如果蒸发器不通过其他设备串联或并联,系统中的最低温度(与最高温度一起)将决定系统性能系数(COP),因而,也将决定能量消耗。
解决这种问题的一个方法是,用阀隔离并联的蒸发器,在不同的工作条件下运行它们。这种解决方案存在的问题是,不同的工作条件需要不同的制冷剂量。解决这些问题的一个方法是借助于一种具有权利要求中所提及的特征的设备。
附图说明
现在参考附图对本发明的实施例进行描述,其中:
图1是本发明第一实施例的示意图;而
图2是第二实施例的示意图。
具体实施方式
依据图1,一压缩机10,其与一闭合回路的吸入管11和压力管12相连接,该闭合回路含有制冷剂。压力管12含有高压气态的制冷剂,其与一冷凝器14的入口侧13相连,在冷凝器14内,气体逐渐冷凝成液态。冷凝器的出口侧15与一T形件17的入口支管16相连,T形件17具有一终止于一容器19内的垂直支管18,该容器19能暂时储藏一定体积的冷凝液。在容器的底部有一管道20,管道20通过阀22以及第一膨胀设备23与一高负荷的第一蒸发器21的入口侧相连接。第一蒸发器21的出口管24通过一止回阀25连接于吸入管11,吸入管11内的制冷剂以低压蒸气态存在。
借助于第二阀29以及第二膨胀设备30,T形件17的一出口支管26通过一管道27相连接于低负荷的第二蒸发器28。第二蒸发器28的出口管31也与吸入管11相连。
第一蒸发器21为低压、高负荷的蒸发器,而第二蒸发器28为高压、低负荷的蒸发器。
系统以如下方式操作。借助于压缩机10,来自压缩机10低压侧的吸入管11的蒸气被压缩成高压,并被分配到压力管12中。气体从入口侧13进入冷凝器14内,并被冷却以使其逐渐冷凝成一温的冷凝液。温的冷凝液从冷凝器的出口侧15流入T形件17的入口支管16内,且进一步经过垂直支管18,并借助于重力从垂直支管18流入容器19内。倘若阀22是打开的,制冷剂通过膨胀设备23以相当低的压力进入高负荷的第一蒸发器21。这时,低压的冷凝液从放置有蒸发器的冷却空间吸收热量,并且同时沸腾。产生的蒸气具有低压,经过止回阀25流入吸入管11内。
另一方面,如果阀22是关闭的,温的冷凝液将被收集,暂时储藏和捕获在容器19内,直至充满容器。然后,倘若阀29是打开的,系统中制冷剂的剩余量将流经T形件的出口支管26、管道27、膨胀设备30以及低负荷的第二蒸发器28,进入吸入管11,从而冷却了放置有第二蒸发器的空间。
本领域的技术人员应该清楚,本发明的范围是,通过第一阀(22,22a)与之相连的容器(19)的第一出口与通过第二阀(29,29a)与之相连的容器的第二出口之间定位的水平关系。该水平关系将确定温的冷凝液的体积,当第一阀关闭时上述冷凝液被收集、暂时储藏和捕获在容器中。这意味着,只要第二出口位于第一出口(或从相反方向)的上方,即可确定收集冷凝液的空间。单词“上方”指的是,出口不必位于相互之间的正上方。它们之间可相互移置。
阀22和29、压缩机10和传统的温度传感器是相连接的,并借助于一电子控制电路控制,该电子控制电路以合适的方式设计。
在该连接中,应该提及,通过使用容器19作为吸入管11的热交换器,有可能节约能量,增加冷却效果。因而,通过将吸入管密封在容器19内,或者将这些部件以热交换的方式放在一起,热量从温的冷凝液传递给吸入管11中的冷蒸气。因而,冷的蒸气被加热,从而节约能量,同时温的冷凝液被冷却,这使冷却效果增加。
依照图2所示的变形实施例,储藏的空间由冷凝器14a的一整体的部分代替。储藏的空间由冷凝器14a的下部分19a产生。因而,当管道20a内的阀22a关闭时,冷凝液收集在冷凝器的下部分,直至其到达出口26a,出口26a通过阀29a与管道27a相连接。倘若阀29a是打开的,那么系统中的剩余制冷剂通过冷凝器14a的上部分单独循环。这意味着,液体收集和储藏在冷凝器的下部分,从传热的观点来看,该部分也可被认为是不活跃的。通过使用该设备,有可能使冷凝器产生两种状态:高散热、高填充量的第一状态和低散热、低填充量的第二状态。
Claims (7)
1、制冷系统,该制冷系统包括:一压缩机(10),其通过一含有循环制冷剂的闭合回路与一个冷凝器(14,14a)以及两个或更多个蒸发器(21,28)相连接,其特征在于:回路包括一容器(19,19a)或类似的装置,容器(19,19a)与冷凝器(14,14a)相连通,且具有至少一第一出口,该第一出口通过第一阀(22,22a)或类似的装置与至少一个蒸发器(21)相连通,容器(19,19a)被设置用来接收和暂时存储流自冷凝器的一定体积的制冷剂,容器(19,19a)还设有至少一第二出口(26,26a),第二出口(26,26a)与一个或几个附加的蒸发器(28)相连通,以当容器(19,19a)内已经存储了所述体积制冷剂时,通过至少一个最后所述的蒸发器(28)循环制冷剂的剩余部分,所述第二出口(26,26a)位于所述第一出口的上方。
2、如权利要求1所述的制冷系统,其特征在于,一第二阀(29,29a)或类似的装置设置在第二出口(26,26a)处。
3、如权利要求1-2任一项所述的制冷系统,其特征在于,回路设有一T形件(17),该T形件(17)构成容器(19,19a)的一部分。
4、如权利要求1-3任一项所述的制冷系统,其特征在于,容器(19a)是冷凝器(14a)的一整体部分。
5、如权利要求4所述的制冷系统,其特征在于,容器(19a)是冷凝器(14a)的下部分。
6、如权利要求1-5任一所述的制冷系统,其特征在于,回路包括至少一个吸入管(11),其设置在蒸发器(21,28)与压缩机(10)之间,吸入管与容器(19,19a)设置成热交换关系。
7、操作一种制冷系统的方法,该制冷系统设有一含有制冷剂的闭合回路,蒸气状态的制冷剂被压缩成高压气体,气体逐渐冷凝,其特征在于:冷凝液的一部分暂时被收集,作为一非循环、储藏的体积用于第一蒸发器内的蒸发,当已充满储藏的体积时,剩余制冷剂的至少一部分通过第二蒸发器循环。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE03011392 | 2003-04-15 | ||
SE0301139A SE0301139D0 (sv) | 2003-04-15 | 2003-04-15 | Refrigeration system and a method for operating such system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1777780A true CN1777780A (zh) | 2006-05-24 |
Family
ID=20291059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480009969.XA Pending CN1777780A (zh) | 2003-04-15 | 2004-04-07 | 制冷系统和操作这种系统的方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US20060130515A1 (zh) |
EP (1) | EP1616136B1 (zh) |
JP (1) | JP2006523819A (zh) |
CN (1) | CN1777780A (zh) |
AT (1) | ATE372490T1 (zh) |
AU (1) | AU2004230744A1 (zh) |
DE (1) | DE602004008761T2 (zh) |
NZ (1) | NZ542807A (zh) |
SE (1) | SE0301139D0 (zh) |
WO (1) | WO2004092661A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111520937A (zh) * | 2019-02-05 | 2020-08-11 | 奥迪股份公司 | 用于运行车辆的制冷设备的制冷剂回路的方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7681406B2 (en) | 2006-01-13 | 2010-03-23 | Electrolux Home Products, Inc. | Ice-making system for refrigeration appliance |
US8408016B2 (en) | 2010-04-27 | 2013-04-02 | Electrolux Home Products, Inc. | Ice maker with rotating ice mold and counter-rotating ejection assembly |
DE102010055985A1 (de) * | 2010-10-26 | 2012-04-26 | Liebherr-Hausgeräte Ochsenhausen GmbH | Kühl- und/oder Gefriergerät |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE657071C (de) * | 1935-04-06 | 1938-02-23 | Westinghouse Electric & Mfg Co | Verfahren und Vorrichtung zur Regelung der Kuehlraumtemperatur einer Kompressionskaeltemaschine |
US2229940A (en) * | 1939-12-28 | 1941-01-28 | Gen Electric | Refrigerant distributor for cooling units |
US2624815A (en) * | 1945-05-07 | 1953-01-06 | Westinghouse Electric Corp | Circuit breaker |
US4679404A (en) * | 1979-07-31 | 1987-07-14 | Alsenz Richard H | Temperature responsive compressor pressure control apparatus and method |
EP0353300A4 (de) * | 1988-01-22 | 1990-06-27 | Proizv Ob Vypusku Bytovykh Kho | Kälteaggregat für zweikammer-kühlanlagen. |
KR950002921Y1 (ko) * | 1991-01-30 | 1995-04-17 | 삼성전자 주식회사 | 멀티에어콘의 제어회로 |
US6055818A (en) * | 1997-08-05 | 2000-05-02 | Desert Aire Corp. | Method for controlling refrigerant based air conditioner leaving air temperature |
US5987916A (en) * | 1997-09-19 | 1999-11-23 | Egbert; Mark | System for supermarket refrigeration having reduced refrigerant charge |
US6023940A (en) * | 1998-07-06 | 2000-02-15 | Carrier Corporation | Flow distributor for air conditioning unit |
DE19830757A1 (de) * | 1998-07-09 | 2000-01-13 | Behr Gmbh & Co | Klimaanlage |
JP3464949B2 (ja) * | 1999-09-21 | 2003-11-10 | 株式会社東芝 | 冷蔵庫 |
US6502413B2 (en) * | 2001-04-02 | 2003-01-07 | Carrier Corporation | Combined expansion valve and fixed restriction system for refrigeration cycle |
-
2003
- 2003-04-15 SE SE0301139A patent/SE0301139D0/xx unknown
-
2004
- 2004-04-07 AT AT04726356T patent/ATE372490T1/de not_active IP Right Cessation
- 2004-04-07 WO PCT/SE2004/000547 patent/WO2004092661A1/en active IP Right Grant
- 2004-04-07 US US10/552,096 patent/US20060130515A1/en not_active Abandoned
- 2004-04-07 CN CN200480009969.XA patent/CN1777780A/zh active Pending
- 2004-04-07 DE DE602004008761T patent/DE602004008761T2/de not_active Expired - Fee Related
- 2004-04-07 JP JP2006508011A patent/JP2006523819A/ja active Pending
- 2004-04-07 AU AU2004230744A patent/AU2004230744A1/en not_active Abandoned
- 2004-04-07 NZ NZ542807A patent/NZ542807A/en unknown
- 2004-04-07 EP EP04726356A patent/EP1616136B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111520937A (zh) * | 2019-02-05 | 2020-08-11 | 奥迪股份公司 | 用于运行车辆的制冷设备的制冷剂回路的方法 |
CN111520937B (zh) * | 2019-02-05 | 2022-03-04 | 奥迪股份公司 | 用于运行车辆的制冷设备的制冷剂回路的方法 |
US11904654B2 (en) | 2019-02-05 | 2024-02-20 | Audi Ag | Method for operating a refrigerant circuit of a cooling system of a vehicle |
Also Published As
Publication number | Publication date |
---|---|
EP1616136B1 (en) | 2007-09-05 |
SE0301139D0 (sv) | 2003-04-15 |
DE602004008761D1 (de) | 2007-10-18 |
ATE372490T1 (de) | 2007-09-15 |
AU2004230744A1 (en) | 2004-10-28 |
WO2004092661A1 (en) | 2004-10-28 |
US20060130515A1 (en) | 2006-06-22 |
JP2006523819A (ja) | 2006-10-19 |
NZ542807A (en) | 2008-04-30 |
DE602004008761T2 (de) | 2008-06-12 |
EP1616136A1 (en) | 2006-01-18 |
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