CN101184963A - Heat exchanger arrangement - Google Patents
Heat exchanger arrangement Download PDFInfo
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- CN101184963A CN101184963A CNA2005800491515A CN200580049151A CN101184963A CN 101184963 A CN101184963 A CN 101184963A CN A2005800491515 A CNA2005800491515 A CN A2005800491515A CN 200580049151 A CN200580049151 A CN 200580049151A CN 101184963 A CN101184963 A CN 101184963A
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- Prior art keywords
- heat exchanger
- flow path
- heat
- stream
- compressor
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- 239000012530 fluid Substances 0.000 claims abstract description 28
- 239000003507 refrigerant Substances 0.000 claims abstract description 24
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 20
- 238000005057 refrigeration Methods 0.000 claims abstract description 10
- 235000013361 beverage Nutrition 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000002411 adverse Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Images
Classifications
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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
- F28D1/047—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 bent, e.g. in a serpentine or zig-zag
- F28D1/0477—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 bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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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
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/04—Compression machines, plants or systems, with several condenser circuits 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
- 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
-
- 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
- F25D19/02—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors plug-in type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/122—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and being formed of wires
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
-
- 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
-
- 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
- F25D23/00—General constructional features
- F25D23/003—General constructional features for cooling refrigerating machinery
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
- F25D2317/0651—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the bottom
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
- F25D2317/0661—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the bottom
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0026—Details for cooling refrigerating machinery characterised by the incoming air flow
- F25D2323/00264—Details for cooling refrigerating machinery characterised by the incoming air flow through the front bottom part
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
- F25D2323/00271—Details for cooling refrigerating machinery characterised by the out-flowing air from the back bottom
-
- 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
- F25D2500/00—Problems to be solved
- F25D2500/02—Geometry problems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
A refrigeration system includes a compressor for driving a refrigerant along a flow path in at least a first mode of system operation; a first heat exchanger along the flow path downstream of the compressor in the first mode; a second heat exchanger along the flow path upstream of the compressor in the first mode; and a pressure regulator or expansion device in the flow path downstream of the first heat exchanger and upstream of the second heat exchanger in the first mode, wherein the first heat exchanger is positioned within a housing which defines a flow path for heat exchange fluid and the housing defines a zone of reduced flow area along the flow path, and wherein the first heat exchanger is positioned in the zone of reduced flow area.
Description
Technical field
The present invention relates to a kind of heat exchanger device that steam compression system is particularly striden critical steam compression system that is used for.
Background technology
The heat radiation process of critical vapour compression refrigeration application and system of striding is carried out when being higher than the critical pressure of cold-producing medium.Cold-producing medium does not experience phase transformation in this process, and the temperature change of cold-producing medium is in the entire heat dissipation process.If heat exchanger device and low-temperature receiver are similar to desirable counter-flow arrangement, then the efficiency of this refrigeration system increases.
Therefore, main purpose of the present invention provides a kind of system with efficient heat exchanger device.
Further aim of the present invention provides a kind of like this system, and it is easy to be attached in the existing refrigeration system.
Other purpose and advantage of the present invention also will illustrate at this.
Summary of the invention
According to the present invention, aforesaid purpose and advantage all realize.
According to the present invention, a kind of refrigeration system is provided, it comprises: compressor, the first pattern lower edge stream that is used for moving in system at least drives cold-producing medium; First heat exchanger is in the compressor downstream at the first pattern lower edge stream; Second heat exchanger is in upstream of compressor at the first pattern lower edge stream; Pressure regulator or expansion gear, under first pattern, in stream, be in the downstream of first heat exchanger and the upstream of second heat exchanger, wherein first heat exchanger is arranged in an enclosure, described shell defines the stream of heat-exchange fluid, and define the zone that dwindles along the flow area of this stream, and first heat exchanger is arranged in the zone that described flow area dwindles.
According to the present invention, a kind of refrigeration system is provided, it comprises: compressor, the first pattern lower edge stream that is used for moving in system at least drives cold-producing medium; First heat exchanger is in the compressor downstream at the first pattern lower edge stream; Second heat exchanger is in upstream of compressor at the first pattern lower edge stream; Pressure regulator or expansion gear are in the downstream of first heat exchanger and the upstream of second heat exchanger in stream under first pattern, the heat-exchange fluid that wherein is used for first heat exchanger is transverse to this refrigerant flow path segment and is directed with the adverse current form.
An optimum embodiment is to utilize CO in striding critical both vapor compression operation
2As cold-producing medium.The refrigerant flow path of snakelike and/or parallel modules is provided.The application of the present invention under particular surroundings is referred to as bottle cooler, or is used to the cooling device that cools off and store the drinks.Such cooler for example can be that automatic vending machine is the form of refrigerator.
In one embodiment, the shell of beverage cooler is that heat-exchange fluid (for example air) limits the internal circulation zone, and this circulating area has the throttling part that is used to make the flow of heat exchange fluid acceleration of flowing through herein.According to the present invention, this refrigerant flow path is positioned at this restriction office.
Description of drawings
Fig. 1 is according to countercurrent heat exchange schematic representation of apparatus of the present invention;
Fig. 2 is according to replacement countercurrent heat exchange schematic representation of apparatus of the present invention;
Fig. 3 shows the preferred structure of the beverage cooler that comprises heat exchanger device of the present invention;
Fig. 4 shows the heat exchanger according to a kind of preferred type of the present invention;
Fig. 5 shows the preferred embodiment of structure among Fig. 3.
The specific embodiment
The present invention relates to a kind of refrigeration system, especially to stride the system that critical both vapor compression mode is moved, its specific embodiment is a beverage cooler.According to the present invention, adopt a kind of like this heat converter structure, it provides efficient heat exchange between refrigerant fluid and heat-exchange fluid.
Stride critical steam compression system and move under the pressure that is higher than the cold-producing medium critical pressure, therefore, cold-producing medium does not experience phase transformation in this process.In this case, find, heat dissipation heat exchanger provides better operational efficiency with respect to the counter-flow arrangement of heat exchanger fluid, and this counter-flow arrangement structure can be similar to acquisition by the heat exchanger that the single stream that is formed by a plurality of parallel flow path segments is formed.
The position of heat exchanger in housing has been proved to be very important, and it is found that in the zone that flow velocity increases heat exchanger being set makes heat exchanging process more efficient.
Fig. 1 shows a refrigerant system 10, and it comprises compressor 12, first heat exchanger 14, second heat exchanger 16, expansion gear 18 and the refrigerant line that is connected these parts as shown in the figure in the mode of series connection.
Fig. 3 illustrates the beverage cooler 20 that refrigerant system 10 is installed further.Fig. 3 shows compressor 12 and first heat exchanger 14 and second heat exchanger 16.Refrigerator 20 has shell, and it defines first heat exchange fluid flow paths (arrow 22), and wherein outside air by first heat exchanger 14, arrives outlet 26 from 24 suctions that enter the mouth.Also define second fluid flowing path (arrow 28), second fluid flowing path flows out from the space in the beverage cooler, by second heat exchanger 16, gets back to the space that is cooled.As shown in Figure 3, the zone 23 that stream 22 passes shell and the flow area of flowing through (flow area) dwindles.In this zone 23, the air velocity that flows through shell increases.According to the present invention, preferably heat exchanger 14 is placed in the zone 23.
Fig. 1 shows the simplified structure according to first heat exchanger 14 of the present invention, and shows the heat exchanger of single refrigerant flow path or pipeline form, and described stream or pipeline form a series of substantially parallel flow path segments.In this embodiment, these flow path segments are imported refrigerant fluid continuously from compressor 12, so that flow path segments comprises upstream flow path portion section 30 and downstream flow path portion section 32.In the embodiment shown in fig. 1, all flow path segments are parts of single serpentine pathway, and therefore, when with regard to from Upstream section 30 to tract with regard to 32 the time, each section extends gradually downstream with respect to flowing of cold-producing medium.First heat exchanger 14 is arranged in the shell of beverage cooler 20, and the heat-exchange fluid 22 that makes at first by downstream refrigerant flow path segment 32, little by little flows through next flow path segments then in turn, up to the final upstream flow path 30 of passing through.According to the present invention, found that this structure provides good heat exchange between heat-exchange fluid and cold-producing medium, especially the system when regulation is when striding critical steam compression system.
Fig. 2 shows an interchangeable embodiment, and wherein flow path segments is divided into two main heat exchanger set or parts, and described group is arranged to limit the upstream and downstream parts.In each parts, limit parallel portion's section.As shown in the figure, the heat-exchange fluid of coming at first by components downstream, flows through upstream components then.
The structure that should be appreciated that Fig. 1 and 2 is the example of backflow device of the present invention, certainly these concrete structures is transformed to those skilled in the art, and is dropped within the broad scope of the present invention.Further, according to a preferred embodiment of heat exchanger of the present invention be wire around tubing heat exchanger (wire-on-tube heat exchanger), wherein an embodiment is as shown in Figure 4.Fig. 4 shows the part of the heat exchanger of being determined by single stream pipe 52 50, and as shown in Figure 1, described stream pipe 52 has snakelike fluidal texture, also can be constructed with vertical stratification simultaneously.Particularly, when when the direction of the air-flow shown in the arrow 58 is observed, heat exchanger 50 has staggered inclination angle tee section 54,56.A series of wire 60 is positioned to be substantially transverse to along heat exchanger 50 edges the direction of the stream that is limited by pipeline 52, and wire 60 is 54,56 these pipelines 52 of attachment along the angle section preferably.Wire 60 can preferably be located at pipeline 52 both sides as shown in Figure 4.Fig. 4 show have a plurality of number of turns wire around tubing heat exchanger.Be appreciated that actual heat exchanger can be provided with continuously for additional one or more angle sections 54,56, to satisfy the needs of heat exchanger flow process.
As mentioned above, Fig. 3 further shows embodiments of the invention, and this system 10 is installed in the beverage cooler 20.In this system, beverage is stored in the chill space, and this chill space is positioned on the part shown in the figure, is connected with air stream along stream 28.
The interior wall 38 of shell is with the zone of stream 22 and the region separation of stream 28.Described wall also is used for determining the zone along stream 22, and long-pending or flow section is limited in this middle section, zone.Be used for increasing flow velocity along the flow section of the minimizing of stream 22 by herein.For this reason, the second parts 14b of first heat exchanger 14 preferably is located at zone that restriction as shown in the figure flows so that increase the flow velocity of the heat-exchange fluid of inflow heat exchanger.Have been found that according to the present invention the position of above-mentioned setting helps to increase further the heat exchanger effectiveness between heat-exchange fluid and cold-producing medium.Show the zone 23 of the flow section that dwindles at stream 22 rear portions in an embodiment, and filled by heat exchanger component 14b fully basically.
Further according to the present invention, as shown in Figure 5, a kind of heat exchanger promptly for example the wire among Fig. 4 can preferably be arranged at the zone 23 that flow velocity increases around tubing heat exchanger, such heat exchanger is efficient especially with the heat exchange of the air-flow that passes zone 23.In this structure, might from Fig. 3, fully save this heat exchanger in the heat exchanger 14a occupation space, thereby utilize this space to be used for other purposes.Therefore, an aspect of of the present present invention, heat exchanger is positioned at the zone 23 of shell valuably, and this zone 23 can reduce the air flow section and produce the air velocity that increases, and further preferred version is a kind of wire to be set around tubing heat exchanger in zone 23.In this application, wire is a kind of heat exchanger with one or more pipelines around tubing heat exchanger, is preferably single tube, is in order to influence the mobile effectiveness of heat exchanger that increases of air flowing thereby wire is set.A kind of like this heat exchanger is particularly useful for being arranged in the zone that has as zone 23, because most of heat exchanger has big gas-flow resistance in this position.Yet, wire has very low gas-flow resistance around tubing heat exchanger, so that the not remarkable mobilization dynamic of interference system of this heat exchanger is set in 23 in the zone, further, wire is particularly efficient around tubing heat exchanger heat exchange under such flox condition.
As mentioned above, Fig. 3 shows the structure of a specific embodiment, utilizes this structure to produce flowing along stream 22 and stream 28.Can utilize the fan 40 that drives by as shown in the figure motor 42 to produce along flowing of stream 22.Same, can utilize the fan 44 that drives by as shown in the figure motor 46 to produce along flowing of stream 28.Being used to produce desired other mobile structure is well-known to those skilled in the art, and all falls within the scope of the invention.
Should be appreciated that the refrigerant flow path by first heat exchanger 14 and parts 14a, 14b representative thereof can be the form of analogs such as pipeline, microchannel or passage aisle.Second fluid surface area of described pipeline can be increased, for example with the fin that is attached to this pipeline.This fin can be any type, and can be tabular, wire, bar shaped fin or any other shape.A preferred embodiment is aforesaid " wire is around tubular type " structure, as shown in Figure 4.
At bottle cooler and application carbon dioxide (CO
2) in other small-sized refrigerating application scenarios as cold-producing medium, the invention provides special beneficial effect.The volume space that the present invention can utilize heat exchanger to use most effectively.In addition, CO
2The high operating pressure of refrigeration application has reduced the pressure drop effect on the system performance.Therefore, the high pressure drop in the snakelike arrangement of the single tube of heat exchanger does not as shown in Figure 1 obviously reduce system performance, and effectively utilizes the available space of heat exchanger stream that the runnability of system is maximized.Particularly, the volume that common heat exchanger 14a (Fig. 3) takies can be used for other system unit, or makes that existing parts are bigger and/or more efficient.
Here discussed according to system of the present invention, it has the upstream and downstream relation with a plurality of parts of refrigerant loop under with at least one operational mode.Consider use device of the present invention device for example beverage cooler except " normally " refrigerating mode, can have plurality of operating modes, and/or operational mode intermittently, the wherein air in the first heat exchanger heat release of " normally " refrigerating mode and the second cools down refrigerator.
One or more specific embodiment of the present invention has been described in detail in detail.Yet, be appreciated that and under the situation that does not break away from the spirit and scope of the present invention, can make various improvement.For example, when as existing system make again or the existing system structure design is implemented again the time, the details of existing structure may influence the details of enforcement.Correspondingly, other embodiment drops within the protection domain of following claim.
Claims (16)
1. refrigeration system comprises:
Compressor, the first pattern lower edge stream that is used for moving in system at least drives cold-producing medium;
First heat exchanger is in the downstream of compressor at the first pattern lower edge stream;
Second heat exchanger is in the upstream of compressor at the first pattern lower edge stream; With
Pressure regulator or expansion gear are in the downstream of first heat exchanger and the upstream of second heat exchanger at the first pattern lower edge stream;
Wherein, this first heat exchanger is arranged in the shell, and described shell limits the stream that is used for heat-exchange fluid, and described shell limits the zone of reducing along this stream flow area, and this first heat exchanger is arranged in the zone that this flow area reduces.
2. the system as claimed in claim 1 is characterized in that, this first heat exchanger comprises that wire is around tubing heat exchanger.
3. the system as claimed in claim 1, it is characterized in that, this heat exchanger comprises a plurality of substantially parallel refrigerant flow path segment, and heat-exchange fluid is directed with the adverse current form with respect to the cold-producing medium in first heat exchanger, and roughly is transverse to this refrigerant flow path segment.
4. refrigeration system comprises:
Compressor, the first pattern lower edge stream that is used for moving in system at least drives cold-producing medium;
First heat exchanger is in the downstream of compressor at the first pattern lower edge stream;
Second heat exchanger is in the upstream of compressor at the first pattern lower edge stream; With
Pressure regulator or expansion gear are in the downstream of first heat exchanger and the upstream of second heat exchanger at the first pattern lower edge stream;
Wherein, first heat exchanger comprises a plurality of substantially parallel refrigerant flow path segment, and the heat-exchange fluid that is used for first heat exchanger is transverse to this refrigerant flow path segment and is directed with the adverse current form.
5. system as claimed in claim 4 is characterized in that this refrigerant flow path has upstream extremity and downstream with respect to the cold-producing medium from compressor, and heat-exchange fluid guides to upstream extremity so that adverse current to be provided from the downstream of refrigerant flow path segment.
6. system as claimed in claim 4 is characterized in that, also comprises the mobile structure that makes it to cross substantially refrigerant flow path segment that is used to guide heat-exchange fluid.
7. system as claimed in claim 4 is characterized in that, this refrigerant flow path segment is limited by at least one refrigerant flow path arranged that crawls.
8. system as claimed in claim 4 is characterized in that this refrigerant flow path segment is limited by a plurality of heat exchange modules, and described heat exchange module is adverse current with respect to cold-producing medium stream arranged in series and with respect to this heat-exchange fluid.
9. system as claimed in claim 8 is characterized in that, each heat exchange module comprises a plurality of substantially parallel refrigerant flow path segment.
10. system as claimed in claim 4 is characterized in that the main matter of this cold-producing medium partly comprises CO
2, and first and second heat exchangers are cold-producing medium-air heat exchangers.
11. system as claimed in claim 4 is characterized in that, described system is suitable for moving striding under the critical both vapor compression pattern.
12. beverage cooling device that comprises system as claimed in claim 4.
13. device as claimed in claim 12, it is characterized in that, described beverage cooling device comprises the shell of the entrance and exit with heat-exchange fluid, and described shell limits the throttling part between entrance and exit, and first heat exchanger is located in the zone of this throttling part.
14. a method that is used for heat exchange between cold-producing medium and heat-exchange fluid comprises:
Make compressor operating, so that with cold-producing medium from this driven compressor to the heat exchanger that is arranged in shell, described shell limits the stream that heat exchange medium is used, and described shell limits the zone that the flow section that is used for heat exchange medium reduces, and described heat exchanger is located in this zone; With
Make heat-exchange fluid flow through heat exchanger in this zone along the direction that roughly is transverse to described substantially parallel stream.
15. method as claimed in claim 14 is characterized in that, described heat exchanger comprises a plurality of substantially parallel flow path segments.
16. method as claimed in claim 15 is characterized in that, further comprises:
Without interruption to described substantially parallel flow path segments, so that limit at least one upstream flow path and at least one downstream flow path with respect to cold-producing medium from compressor, and
Above-mentioned flow step comprises makes heat-exchange fluid flow through described substantially parallel flow path segments from the downstream flow path to the upstream flow path.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66396205P | 2005-03-18 | 2005-03-18 | |
| US60/663,962 | 2005-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101184963A true CN101184963A (en) | 2008-05-21 |
Family
ID=37024266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800491515A Pending CN101184963A (en) | 2005-03-18 | 2005-12-30 | Heat exchanger arrangement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080184713A1 (en) |
| EP (1) | EP1869374A4 (en) |
| JP (1) | JP2008533424A (en) |
| CN (1) | CN101184963A (en) |
| WO (1) | WO2006101562A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103765126A (en) * | 2011-08-26 | 2014-04-30 | 住友重机械工业株式会社 | Compression device and refrigeration device |
| CN108139124A (en) * | 2015-08-07 | 2018-06-08 | 德隆奇电器单股东有限责任公司 | Preferable portable air-conditioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2352723B1 (en) * | 2009-02-04 | 2012-01-25 | Carlos Momplet Vivas | THERMAL DOUBLE PERFECTED BATTERY CONDENSER. |
| DE102010010858A1 (en) * | 2010-02-10 | 2011-08-11 | Liebherr-Hausgeräte Ochsenhausen GmbH, 88416 | Cooling- and/or freezing- device, has refrigerant cycle provided with condenser, and secondary cooling agent transferring and discharging heat from condenser to environment, where cooling agent is circulated in secondary cycle |
| DE102012008268A1 (en) * | 2012-04-18 | 2013-10-24 | Liebherr-Hausgeräte Ochsenhausen GmbH | Fridge and / or freezer |
| WO2015132966A1 (en) * | 2014-03-07 | 2015-09-11 | 三菱電機株式会社 | Refrigeration cycle device |
| JP2016136082A (en) * | 2015-01-05 | 2016-07-28 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | Cooling system |
| US9915456B2 (en) * | 2015-06-03 | 2018-03-13 | Mitsubishi Electric Research Laboratories, Inc. | System and method for controlling vapor compression systems |
| JP2018185054A (en) * | 2015-09-24 | 2018-11-22 | 日本電産テクノモータ株式会社 | Cooling storage |
| US11397014B2 (en) * | 2019-03-26 | 2022-07-26 | Johnson Controls Tyco IP Holdings LLP | Auxiliary heat exchanger for HVAC system |
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| JPS60123581U (en) * | 1984-01-27 | 1985-08-20 | 三洋電機株式会社 | Cooling system |
| US5157941A (en) * | 1991-03-14 | 1992-10-27 | Whirlpool Corporation | Evaporator for home refrigerator |
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| JPH06207773A (en) * | 1993-01-11 | 1994-07-26 | Toshiba Corp | Refrigerator |
| JPH06281317A (en) * | 1993-03-26 | 1994-10-07 | Toshiba Corp | Refrigerator |
| US5664436A (en) * | 1996-04-29 | 1997-09-09 | Lancer Corporation | Component configuration for enhancing dispenser serviceability |
| JPH11304341A (en) * | 1998-04-24 | 1999-11-05 | Matsushita Refrig Co Ltd | Refrigerator |
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| JP2000320993A (en) * | 1999-05-13 | 2000-11-24 | Toyo Eng Works Ltd | Fan coil evaporator |
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| DE19957719A1 (en) * | 1999-11-30 | 2001-05-31 | Bsh Bosch Siemens Hausgeraete | Refrigerator has coolant feed stage approximately completely filled with liquid coolant as regards coolant accommodation volume during compressor idle periods |
| JP2001272159A (en) * | 2000-03-27 | 2001-10-05 | Sanden Corp | Cooling unit |
| JP2002364946A (en) * | 2001-06-07 | 2002-12-18 | Sanoh Industrial Co Ltd | Condenser for forced air cooling |
| JP2003014389A (en) * | 2001-06-27 | 2003-01-15 | Mitsubishi Heavy Ind Ltd | Heat exchanger |
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| JP4143955B2 (en) * | 2001-11-30 | 2008-09-03 | 株式会社ティラド | Heat exchanger |
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- 2005-12-30 CN CNA2005800491515A patent/CN101184963A/en active Pending
- 2005-12-30 WO PCT/US2005/047523 patent/WO2006101562A2/en active Application Filing
- 2005-12-30 US US11/908,408 patent/US20080184713A1/en not_active Abandoned
- 2005-12-30 JP JP2008501862A patent/JP2008533424A/en active Pending
- 2005-12-30 EP EP05856003A patent/EP1869374A4/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103765126A (en) * | 2011-08-26 | 2014-04-30 | 住友重机械工业株式会社 | Compression device and refrigeration device |
| CN103765126B (en) * | 2011-08-26 | 2015-09-09 | 住友重机械工业株式会社 | Compression set, refrigerating plant |
| CN108139124A (en) * | 2015-08-07 | 2018-06-08 | 德隆奇电器单股东有限责任公司 | Preferable portable air-conditioning |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006101562A3 (en) | 2008-01-17 |
| WO2006101562A2 (en) | 2006-09-28 |
| EP1869374A4 (en) | 2011-11-16 |
| EP1869374A2 (en) | 2007-12-26 |
| JP2008533424A (en) | 2008-08-21 |
| US20080184713A1 (en) | 2008-08-07 |
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