CN101203720A - 具有换热器集管的集液器 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
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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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
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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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
- F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
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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
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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
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
Abstract
一种制冷系统,包括:压缩机,在至少第一系统运行模式下沿流体通路驱动制冷剂;第一换热器,位于第一模式中沿所述流体通路位于所述压缩机的下游;第二换热器,位于第一模式中沿所述流体通路位于所述压缩机的上游;和膨胀装置,在第一模式中在所述流体通路中位于第一换热器下游和第二换热器上游,其中,第二换热器包括收集液体和蒸汽制冷剂的组合式集管和集液器。
Description
技术领域
本发明涉及具有换热器集管的集液器。
背景技术
在很多制冷应用场合中,体积是受限因素。制冷系统应用场合中的任何空间的要求的减小可改进系统的整体设计,这是通过降低总的尺寸或者通过利用有用的空间作为其他用途例如增加换热面积等而实现的。因此,整体化的部件设计可以降低系统的费用,并且改进系统的性能。
图1示出了现有的蒸汽压缩系统,该系统具有压缩机1、气体冷却器2、膨胀装置3、和蒸发器4。在蒸发器4中,制冷剂流经一系列换热器管5,与需要冷却的空气进行热交换。制冷剂一般经过集管6进入换热器管5,并且从换热器管5排出进入集管7。集管7中收集的制冷剂随后流到集液器8,在其中液态制冷剂和润滑油与气态制冷剂分离,并且将蒸汽回收到压缩机1。
当如图1所示的系统应用时,如上所述,需要一个占用更少空间的实用系统。
因此本发明的主要目的是提供这样一种系统。
其他目的和优点将在下面介绍。
发明内容
本发明提供一种制冷系统,包括:压缩机,在至少第一系统运行模式下沿流体通路驱动制冷剂;第一换热器,位于第一模式中沿所述流体通路位于所述压缩机的下游;第二换热器,位于第一模式中沿所述流体通路位于所述压缩机的上游;和膨胀装置,在第一模式中在所述流体通路中位于第一换热器下游和第二换热器上游,其中,第二换热器包括收集液体和蒸汽制冷剂的组合式集管和集液器。所述组合式集管和集液器用于节省空间,这尤其在例如跨临界蒸汽压缩系统中是非常有利的。
本发明还提供一种运行制冷系统的方法,该方法包括使压缩机运行以便沿流动通路驱动制冷剂,顺序地流过第一换热器、膨胀装置、第二换热器、组合式集管和集液器,并流回压缩机,其中:流体直接从第二换热器进入组合式集管和集液器,并且流体直接该从组合式集管和集液器进入压缩机。
附图说明
下面参见附图详细描述本发明优选的实施例,其中:
图1是现有技术中蒸汽压缩系统的示意图;
图2是本发明中组合式集液器和集管系统的示意图;
图3是本发明中组合式集液器和集管可选择实施例的示意图;
图4是本发明中组合式集液器和集管另外实施例的示意图。
具体实施方式
本发明涉及一种蒸汽压缩系统的换热器结构,尤其是涉及在跨临界(transcritical)蒸汽压缩循环中的节省空间的制冷剂集液器和换热器集管的组合。在跨临界蒸汽压缩系统中,散热发生高于制冷剂的临界压力的压力下。在散热的过程中制冷剂不冷凝。跨临界系统的充注量控制一般是通过在出口集管之后的蒸发器出口处设置集液器而实现的(参见图1)。
图2示出了本发明的蒸汽压缩系统10,其包括压缩机12、第一换热器或气体冷却器14、膨胀装置16和、第二换热器或蒸发器18。与图1相比,应当理解的是蒸发器18包括与现有装置相同的入口集管20,但是蒸发器18还包括组合式的集管和集液器22,如图1所示,该集管和集液器22将独立的出口集管7和集液器8的功能进行结合。这使得在该装置提供集管和集液器所需功能的同时有利于节省空间。
如图2所示,本发明所述的组合式集管和集液器22是单个腔体形式,该腔体限定下部液体制冷剂区域24和上部蒸汽制冷剂区域26。流体从第二换热器18的换热管28直接进入组合式集管和集液器22。就这点而言,从图2中可以看出下部液体制冷剂区域24限定的位置低于最下部管道30的入口。这有利于防止液体制冷剂相对于最下部管道30的屏蔽和/或回流。如图2所示,这个腔体由围绕换热管端部的侧壁、前壁、后壁、上壁和下壁来限定。
如图2所示,组合式集管和集液器22还有利地具有一内部管道32,该管道32从组合式集液器和集管22的底部表面向上延伸到超过下部液体制冷剂区域24中的液体的预定液位。压缩机12将气态制冷剂抽吸出蒸汽制冷剂区域26并且经过管32吸入压缩机吸入管。
导管32的下部34优选地设置有销孔36,如果需要的话,该销孔有利地允许将下部液体制冷剂区域24内的润滑油被吸回到压缩机12中。
本发明的换热器14、18可以采用现有的任何类型的换热器,优选的是制冷剂-空气型换热器。合适的换热器特定例子包括但不局限于金属丝绕管式(wireon tube)换热器、翅片式换热器,或类似的换热器。
本发明的系统非常适合于跨临界蒸汽压缩系统,例如,以CO2为工质的系统。当然,其他制冷剂,尤其是在预定运行条件下与CO2具有相似特性的制冷剂,都可以在本发明宽泛的范围内应用和被认为是适用的。
膨胀装置16可以是现有技术中任何的膨胀装置。这样一种压力调节器,如申请号为05-258-WO,名称为“跨临界蒸汽压缩系统高压侧压力调节”的PCT申请中公开的压力调节装置,在本发明的范围内是适用的,并且可以作为本发明技术方案的膨胀装置使用。
如图2中所示,该集管和集液器22可以优选地结合到换热器18中。可选的,集管和集液器22可以是分离的结构,该结构限定一腔体并且与换热器18连接,优选地将流体从换热器的管道中直接引导入腔体。
图3示出了本发明的另一可选择的实施例,具有与图2所示相同的基本部件。在如图3所示的实施例中,蒸发器18分成两个组件38、40,并且组合式集管和集液器22通过短的流体管道42与每个组件38、40连接。在本实施例中,应当理解的是,通过在第二换热器18上将最低管道30定位在足够高的位置,可以在组合式集管和集液器22内限定下部液体制冷剂区域24,以使组合式集管和集液器22的底部表面44不会明显地延伸超出第二换热器18的底部表面46。导管42优选地非常短,更优选的,长度小于大约5英寸。
图4示出本发明的另一实施例,其中系统10包括参照图2和3描述相同的组件。在图4所示的实施例中,从膨胀装置16进入蒸发器18的制冷剂,在本发明中流经单独的管道48进入组合式集管和集液器22。从该位置,气相制冷剂按要求返回压缩机12。
本发明的图2-4所述的发明的实施例将集液器和蒸发器的出口集管集成为一个单独的腔体。该单独的腔体结合了如图1所示传统系统中集管和集液器的功能。有利的是,通常在分离的集管和集液器的控制实现的功能可以在同一空间内完成。这样的设计减小了集液器所需的空间、总的管道长度和管连接部件的数量。
离开蒸发器的两相流体在集管中分离。液体制冷剂靠重力在集液器-集管的底部收集。蒸汽通过插入集管的管道离开集液器集管。管道在集管的集液器部分有销孔,以允许润滑油回流至压缩机。
已经描述了本发明的一个或多个实施例。但是可以理解的是,在不脱离本发明的精神和范围下,可以进行多种变型。例如,当重新制造现有系统或重新设计现有系统构造时,现有结构的细节会影响实施的细节。相应地,其他实施例在后所附的权利要求的范围内。
Claims (16)
1.一种制冷系统,包括:
压缩机,在至少第一系统运行模式下沿流体通路驱动制冷剂;
第一换热器,位于第一模式中沿所述流体通路位于所述压缩机的下游;
第二换热器,位于第一模式中沿所述流体通路位于所述压缩机的上游;和
膨胀装置,在第一模式中在所述流体通路中位于第一换热器下游和第二换热器上游,
其中,第二换热器包括收集液体和蒸汽制冷剂的组合式集管和集液器。
2.如权利要求1所述的系统,其中:所述组合式集管和集液器包括与第二换热器的制冷剂流体通路连通的腔体,以便用于接收两相制冷剂流体并且在其中限定下部液体制冷剂区域和上部蒸汽制冷剂区域。
3.如权利要求2所述的系统,其中:所述下部液体制冷剂区域限定成低于在第二换热器和组合式集管和集液器之间的最低流体入口。
4.如权利要求3所述的系统,其中:所述最低流动入口位于该下部液体制冷剂区域之上足够高的位置,以使该下部液体制冷剂区域没有延伸超出蒸发器。
5.如权利要求1所述的系统,其中:该第二换热器的管道直接流入该组合式集管和集液器中。
6.如权利要求5所述的系统,其中:蒸汽流体管道直接从组合式集管和集液器连接到压缩机。
7.如权利要求2所述的系统,还包括:与上部蒸汽制冷剂区域连通的管道,以便用于将蒸汽制冷剂输送到压缩机。
8.如权利要求7所述的系统,其中:所述管道向上延伸穿过液体制冷剂区域进入蒸汽制冷剂区域,并且也与液体制冷剂区域连通。
9.如权利要求8所述的系统,其中:所述管道与液体制冷剂区域经由销孔连通,以允许润滑油回流至压缩机。
10.如权利要求1所述的系统,其中:制冷剂包括跨临界蒸汽系统制冷剂,并且第一和第二换热器是制冷剂-空气型换热器。
11.一种包括如权利要求1所述的系统的饮料冷却装置。
12.一种运行制冷系统的方法,包括:
使压缩机运行以便沿流动通路驱动制冷剂,顺序地流过第一换热器、膨胀装置、第二换热器、组合式集管和集液器,并流回压缩机,其中:流体直接从第二换热器进入组合式集管和集液器,并且流体直接该从组合式集管和集液器进入压缩机。
13.如权利要求12所述的方法,其中:所述第二换热器包括流体管,压缩机的运行在流体管道内产生两相制冷剂,并且所述两相制冷剂直接流入组合式集管和集液器。
14.如权利要求12所述的方法,其中:制冷剂为跨临界蒸汽系统制冷剂。
15.如权利要求12所述的方法,其中:制冷剂为CO2。
16.如权利要求12所述的方法,其中:所述组合式集管和集液器限定下部液体制冷剂区域和上部蒸汽制冷剂区域,并且进入组合式集管和集液器的制冷剂的流动使得制冷剂分离成位于下部液体制冷剂区域内的液体制冷剂和位于上部蒸汽制冷剂区域内的蒸汽制冷剂。
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US66391105P | 2005-03-18 | 2005-03-18 | |
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CNA2005800491549A Pending CN101203720A (zh) | 2005-03-18 | 2005-12-30 | 具有换热器集管的集液器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080190122A1 (zh) |
EP (1) | EP1864059A2 (zh) |
JP (1) | JP2008533430A (zh) |
CN (1) | CN101203720A (zh) |
WO (1) | WO2006101569A2 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102679633A (zh) * | 2012-04-27 | 2012-09-19 | 镇江新梦溪能源科技有限公司 | 一种排管式蒸发器 |
CN105492833A (zh) * | 2013-09-02 | 2016-04-13 | 大金工业株式会社 | 热回收型制冷装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101652611B (zh) * | 2007-04-05 | 2012-09-05 | 江森自控科技公司 | 运行制冷剂回路的系统和方法 |
US9062900B2 (en) * | 2010-11-08 | 2015-06-23 | Honeywell International Inc. | Integrated evaporator and accumulator for refrigerant systems |
KR101902017B1 (ko) * | 2011-11-18 | 2018-09-27 | 엘지전자 주식회사 | 열교환기 및 그 제조방법 |
DE102012210180A1 (de) * | 2012-06-18 | 2013-12-19 | Denso Automotive Deutschland Gmbh | Klimaanlage mit Kühlwasserkreislauf |
US10323869B2 (en) * | 2016-10-05 | 2019-06-18 | Johnson Control Technology Company | Combined suction header and accumulator unit |
JP6805473B2 (ja) * | 2017-01-31 | 2020-12-23 | 荏原冷熱システム株式会社 | 吸収冷凍機 |
WO2019097614A1 (ja) * | 2017-11-15 | 2019-05-23 | 三菱電機株式会社 | 空気調和機の室外機 |
IT201900003427A1 (it) * | 2019-03-08 | 2020-09-08 | Lu Ve Spa | Collettore di aspirazione con uscita verso l’alto per evaporatori di impianti di refrigerazione. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2367340A (en) * | 1940-02-17 | 1945-01-16 | Chill Quick Corp | Cooling system |
JPS5513350U (zh) * | 1978-07-14 | 1980-01-28 | ||
US4794765A (en) * | 1987-03-27 | 1989-01-03 | Carella Thomas J | Integral evaporator and accumulator for air conditioning system |
US5505060A (en) * | 1994-09-23 | 1996-04-09 | Kozinski; Richard C. | Integral evaporator and suction accumulator for air conditioning system utilizing refrigerant recirculation |
US6155075A (en) * | 1999-03-18 | 2000-12-05 | Lennox Manufacturing Inc. | Evaporator with enhanced refrigerant distribution |
JP3928471B2 (ja) * | 2002-04-26 | 2007-06-13 | 株式会社デンソー | 車両用空調装置 |
-
2005
- 2005-12-30 JP JP2008501868A patent/JP2008533430A/ja active Pending
- 2005-12-30 US US11/908,450 patent/US20080190122A1/en not_active Abandoned
- 2005-12-30 EP EP05856047A patent/EP1864059A2/en not_active Withdrawn
- 2005-12-30 CN CNA2005800491549A patent/CN101203720A/zh active Pending
- 2005-12-30 WO PCT/US2005/047574 patent/WO2006101569A2/en active Search and Examination
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102679633A (zh) * | 2012-04-27 | 2012-09-19 | 镇江新梦溪能源科技有限公司 | 一种排管式蒸发器 |
CN105492833A (zh) * | 2013-09-02 | 2016-04-13 | 大金工业株式会社 | 热回收型制冷装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1864059A2 (en) | 2007-12-12 |
US20080190122A1 (en) | 2008-08-14 |
WO2006101569A2 (en) | 2006-09-28 |
WO2006101569A3 (en) | 2007-12-06 |
JP2008533430A (ja) | 2008-08-21 |
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