CN106461350A - Heat exchanger, and refrigeration cycle device provided with heat exchanger - Google Patents
Heat exchanger, and refrigeration cycle device provided with heat exchanger Download PDFInfo
- Publication number
- CN106461350A CN106461350A CN201480078695.3A CN201480078695A CN106461350A CN 106461350 A CN106461350 A CN 106461350A CN 201480078695 A CN201480078695 A CN 201480078695A CN 106461350 A CN106461350 A CN 106461350A
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- Prior art keywords
- heat
- transfer pipe
- heat exchanger
- fin
- area
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
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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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
-
- 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
- F28D1/0233—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 air flow channels
- F28D1/024—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 air flow channels with an air driving element
-
- 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
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0435—Combination of units extending one behind the other
-
- 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
-
- 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
-
- 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
- F28F1/325—Fins with openings
-
- 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
- F25B13/00—Compression machines, plants or systems, with 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/08—Fluid driving means, e.g. pumps, fans
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
A fin (1) is provided with: a region (L) in which a heat transfer facilitation part (3) is not provided; and a region, other than region (L), in which the heat transfer facilitation part (3) is provided. The region (L) is a region between a lower end part of a heat transfer tube (2A) and an upper end part of a heat transfer tube (2B).
Description
Technical field
The present invention relates to suppressing deteriorating and be arranged at the heat exchanger of the heat source machines such as off-premises station and possessing this heat of frost resistance
The kind of refrigeration cycle of exchanger.
Background technology
In the past, as the heat exchanger of application in the refrigerating circulatory device of such as conditioner etc., there is fin
Tube type heat exchanger.Such heat exchanger generally passes through to cut to the fin insertion of multiple tabulars being formed with round-shaped hole
The many heat-transfer pipes that face is round-shaped are constituted.
As such structure it is proposed that " a kind of fin tube heat exchanger, it possess the interval vacating regulation and substantially
Multiple thermofins of being abreast laminated and on the direction that the in-plane with this thermofin is substantially orthogonal insertion heat transfer fin
Multiple heat-transfer pipes of piece, around the through hole of the described thermofin of described heat-transfer pipe insertion, be formed with described biography
The upwardly extending substantially cylindric fin packing ring in side that the in-plane of hot fin is substantially orthogonal, described heat-transfer pipe with described
The state that fin packing ring is close to is inserted in described through hole, along described thermofin in-plane flowing gas with
Carry out heat exchange between the cold and hot medium of the internal flow of described heat-transfer pipe, wherein, on described thermofin, only become with
The layer direction of the flow direction generally vertical direction of described gas is provided with otch, and described fin tube heat exchanger possesses mountain
Portion, this mountain portion make the weather side of described gas flowing of described otch described thermofin portion protuberance and downwind side have by
The peristome that described otch is formed, in the straight line of the flow direction with the center by described heat-transfer pipe and parallel to described gas
The position intersecting does not form described mountain portion " (for example, referring to patent documentation 1).
In addition it is proposed that " a kind of heat exchanger, it includes：Heat-transfer pipe 12,12 ..., 12,12 ...；With respect to this heat-transfer pipe
12nd, 12 ..., 12,12 ... are set up in parallel electric heating fin 13a, 13a ... of multi-disc, 13b, 13b ... with the state intersected；And setting
Raised piece 14,14 ..., 14,14 ... on this electric heating fin 13a, 13a ..., the electric heating surface of 13b, 13b ..., wherein, above-mentioned
The bottom of raised piece 14,14 ..., 14,14 ... be provided with extend to the lower side condensed water guiding lines portion b, b ..., c,
C ... " (for example, referring to patent documentation 2).
In addition it is proposed that " a kind of heat exchanger, it includes heat-transfer pipe, arranged side by side with the state intersected with respect to this heat-transfer pipe
Raised piece on the electric heating fin arranging multi-disc and the electric heating surface being arranged on this electric heating fin, wherein, in above-mentioned raised piece
Bottom is provided with the water guide portion of draining " (for example, referring to patent documentation 3).
Citation
Patent documentation
Patent documentation 1：No. 4775429 publications of Japanese Patent No. (embodiment 1 etc.)
Patent documentation 2：Japanese Unexamined Patent Publication 2008-249320 publication (Fig. 1, Fig. 2 etc.)
Patent documentation 3：Japanese Unexamined Patent Publication 2010-255974 publication (Fig. 1, Fig. 2 etc.)
Content of the invention
Invent problem to be solved
In the fin tube heat exchanger that patent documentation 1 is recorded, excellent heat transfer can be obtained by forming mountain portion
Performance, and guarantee that the drainage path of condensed water suppresses the increase of flowing resistance by determining the scope not forming mountain portion.
The heat exchanger that patent documentation 2,3 is recorded arranges the otch such as slit to improve heat transfer and to improve heat between heat-transfer pipe
The performance of exchanger, and it is devoted to setting drainage path etc. between heat-transfer pipe in order to improve drainage.
When being arranged at the heat source machines such as off-premises station to execute heating operation such heat exchanger constituting, heat exchanger is made
Play a role for vaporizer.When making heat exchanger play a role as vaporizer, heat exchanger produces frosting sometimes.To heat
Exchanger produce frosting in addition to fin exterior region (the distinguished and admirable most upstream side of fin), fin slit portion, also from heat-transfer pipe
Part produces.And, the frosting producing to heat transfer tube portion becomes an inaccessible reason of wind path.
Patent documentation 1～3 any one described in heat exchanger in, become the biography on the loss road of air in frosting
There is between heat pipe mountain portion or otch, therefore can promote heat transfer, in frosting, the frost that the loss road of air is grown blocks.
In the heat-transfer pipe some growth of the upstream side positioned at wind path, frost resistance deteriorates for especially frosting, and air cannot arrive
Reach the downstream of heat exchanger, cannot be carried out heat exchange in frosting, that is, frost resistance is low.
The present invention makes to solve problem as described above, its object is to provide a kind of air guaranteeing during frosting
Loss road, the suppression heat exchanger of reduction of frost resistance and the refrigerating circulatory device possessing this heat exchanger.
For solving the scheme of problem
The heat exchanger of the present invention has multiple fins abreast vacated predetermined distance and configure and fin described in insertion
Heat-transfer pipe, described fin is many array structures, and described heat-transfer pipe is configured on the direction orthogonal with the column direction of described fin
Multilamellar, described heat exchanger is characterised by, described heat-transfer pipe includes：First heat-transfer pipe, it is from stream described heat exchanger
The fin of insertion first row when the most upstream side of dynamic air stream is observed；Second heat-transfer pipe, the fin of its insertion secondary series, connect most
Closely described first heat-transfer pipe, and on layer direction than described first heat-transfer pipe by the top and lower section, described fin is provided with
One region and second area, described first area is at least formed with heat transfer promotion division in a part, and described second area is not formed
Described heat transfer promotion division, described second area is arranged at the bottom of described first heat-transfer pipe and the upper end of described second heat-transfer pipe
In region between the upper end of the region between portion and described first heat-transfer pipe and the bottom of described second heat-transfer pipe extremely
A few region.
The refrigerating circulatory device of the present invention possesses：It is equipped with the heat source machine of above-mentioned heat exchanger；It is connected with described heat source machine
Utilization side apparatus.
Invention effect
According to the heat exchanger of the present invention, due to being provided with second area in fin, therefore, it is possible to guarantee air during frosting
Loss road, the reduction of frost resistance can be suppressed.
According to the refrigerating circulatory device of the present invention, due to possessing above-mentioned heat exchanger, even if therefore in heat exchanger frosting
When, the wind path of heat exchanger also will not be blocked for, and can continuously carry out operating.
Brief description
Fig. 1 be diagrammatically denoted by being provided with the heat exchanger of embodiments of the present invention 1 the heat source machine of interior
The axonometric chart of portion's structure.
Fig. 2 is the structure of the heat source machine of of the heat exchanger being provided with embodiments of the present invention 1 for explanation
Explanatory diagram.
Fig. 3 is the central shaft from heat-transfer pipe of of the heat exchanger being diagrammatically denoted by embodiments of the present invention 1
The skeleton diagram of the state that direction side is observed.
Fig. 4 is the center from heat-transfer pipe of another of the heat exchanger being diagrammatically denoted by embodiments of the present invention 1
The skeleton diagram of the state that direction of principal axis side is observed.
Fig. 5 is the center from heat-transfer pipe of another of the heat exchanger being diagrammatically denoted by embodiments of the present invention 1
The skeleton diagram of the state that direction of principal axis side is observed.
Fig. 6 be diagrammatically denoted by embodiments of the present invention 1 heat exchanger from the central axis direction with heat-transfer pipe
The skeleton diagram of the state that orthogonal direction side is observed.
Fig. 7 is outlining of of the specific numerical value of the heat exchanger for embodiments of the present invention 1 are described
Figure.
Fig. 8 is the basic refrigerant loop knot of the refrigerating circulatory device schematically showing embodiments of the present invention 2
The refrigerant loop figure of structure.
Specific embodiment
Hereinafter, suitably referring to the drawings, embodiments of the present invention are described.It should be noted that including Fig. 1 with
Under accompanying drawing in, the magnitude relationship of each member of formation is sometimes different from actual situation.In addition, below including Fig. 1
Accompanying drawing in, mark same-sign component be identical or component suitable each other, this is general in the full text of description.This
Outward, the mode of the constituent components shown in description full text only illustrates, and is not limited to these records.
Embodiment 1.
Fig. 1 is heat exchanger (the hereinafter referred to as heat exchanger being diagrammatically denoted by being provided with embodiments of the present invention 1
50) axonometric chart of the internal structure of heat source machine 60 of one.Fig. 2 is the explanatory diagram of the structure for heat source machine 60 is described.Base
In Fig. 1 and Fig. 2, the structure of heat source machine 60 is described first.
Heat source machine (also referred to as off-premises station or outdoor unit) 60 constitutes a part for refrigerating circulatory device.Heat source machine 60 passes through
It is connected and structure with indoor set (also referred to as indoor unit, utilize side apparatus (utilizing side unit) or load-side machine (load side unit))
Become refrigerating circulatory device.And, by component devices (compressor, the heat source side heat friendship of heat source machine 60 and indoor set will be equipped on
Parallel operation (heat exchanger 50), throttling arrangement (expansion valve 12), utilize side heat exchanger 71) carry out pipe arrangement connection and form cold-producing medium
Loop, execution such as operation of air conditioner, supplying hot water operating.It should be noted that entering in embodiment 2 with regard to refrigerating circulatory device
Row explanation.
Heat source machine 60 has framework 60A constituting profile.As shown in Figures 1 and 2, it is provided with separation in the inside of framework 60A
Plate 61.By arranging demarcation strip 61, the inside of framework 60A is divided into Machine Room 62 and blower room 63.
It is provided with compressor 10, cross valve 11, expansion valve 12, acoustic filter 16 and the refrigeration that they are connected in Machine Room 62
Agent pipe arrangement 15 etc..
It is provided with heat exchanger 50, blower fan 20, fan motor 21 and motor supporting member 22 etc. in blower room 63.
Hereinafter, the details of each component located at Machine Room 62 and blower room 63 are described.
The refrigerant compression of circulation in kind of refrigeration cycle is become the cold-producing medium of High Temperature High Pressure and sprays by compressor 10.
Cross valve 11 corresponds to the component of the flowing to switch cold-producing medium that operates.In execution to load-side heat supply
During heat energy supplying operation, cross valve 11 switches over as the shown in solid of Fig. 2.Supply the cold of cold energy in execution to load-side
During energy supplying operation, switch over as shown with a dotted line in fig. 2.
Expansion valve 12 is reduced pressure to cold-producing medium and so that cold-producing medium is expanded, by the structure that can changeably control aperture for example
Electronic expansion valve etc. is constituted.
Acoustic filter 16 has the gas refrigerant by accumulating ormal weight and makes refrigerant flow direction compressor 10 and make refrigeration
The effect of the stability of flow of agent.
Heat exchanger 50 is the heat exchanger of the fin-and-tube type of cross-fin formula.With regard to heat exchanger 50 details later
Narration.Heat exchanger 50 is shaped generally as L-shaped in the state of top view.By heat exchanger 50 is shaped generally as L
Font, can expand the heat exchange area of heat exchanger 50.
Blower fan 20 is the Blast mechanism being for example made up of tube-axial fan (propeller type fan).
Fan motor 21 is used for making blower fan 20 rotate.Fan motor 21 is supported by motor supporting member 22.
Motor supporting member 22 is the component that fan motor 21 is supported.
Illustrate heat source machine 60 heat energy supplying operation when action.
When compressor 10 is driven, so that cold-producing medium is boosted by compressor 10, become the state of High Temperature High Pressure and sprayed
Go out.After the cold-producing medium that compressor 10 sprays is via cross valve 11, to the heat exchanger being equipped on the indoor set omitting diagram
Supply, is cooled by carrying out heat exchange with air, becomes the state of cryogenic high pressure.Now, heat use from indoor set supply
Air, carry out heating of air-conditioning object space.This cold-producing medium returns heat source machine 60, becomes low temperature low by expansion valve 12 expansion decompression
The state of pressure.After this cold-producing medium is heated by heat exchanger 50, again return to compressor 10.
When refrigerating circulatory device execution heat energy supplying operation (such as heating operation), in heat source machine 60, heat exchanger
50 play a role as vaporizer.When making heat exchanger 50 play a role as vaporizer, heat exchanger 50 produces sometimes
Frosting.As described above, the frosting that heat exchanger 50 produces is in addition to fin exterior region, fin slit portion, also from heat-transfer pipe
Part produces.When frosting grows, arbitrary wind path can be inaccessible.
Generally, in the heat exchanger of the fin-and-tube type of cross-fin formula, in order to play heat transfer facilitation effect and in fin
Form the heat transfer promotion division such as slit.When there is such heat transfer promotion division, heat transfer can be promoted, wanting when being just connected in frosting really
The loss road of the air protected also is blocked by frost.Especially when the heat-transfer pipe some growth in the upstream side positioned at wind path for the frosting,
Air cannot reach the downstream of heat exchanger, cannot be carried out heat exchange in frosting.That is, the frost resistance of heat exchanger significantly drops
Low.Therefore, in heat exchanger 50, using the structure of described below.
Fig. 3 is the state of the central axis direction side observation from heat-transfer pipe of that is diagrammatically denoted by heat exchanger 50
Skeleton diagram.Fig. 4 is the state of the central axis direction side observation from heat-transfer pipe of another that is diagrammatically denoted by heat exchanger 40
Skeleton diagram.Fig. 5 is the shape of the central axis direction side observation from heat-transfer pipe of another that is diagrammatically denoted by heat exchanger 50
The skeleton diagram of state.Fig. 6 is to be diagrammatically denoted by seeing from the direction side orthogonal with the central axis direction of heat-transfer pipe of heat exchanger 50
The skeleton diagram of the state examined.Fig. 7 is the outline figure of of the specific numerical value for heat exchanger 50 is described.Based on figure
3～Fig. 7, describes heat exchanger 50 in detail.It should be noted that the heat exchanger 50 illustrating 2 array structures in Fig. 3, Fig. 4 is made
For one, the heat exchanger 50 illustrating 3 array structures in Figure 5 is as one.
As shown in figure 5, heat exchanger 50 has multiple fins 1 vacated predetermined distance and configure in parallel to each other and insertion
The heat-transfer pipe 2 of multiple fins 1, the air of flowing and execution between the cold-producing medium of the internal flow of heat-transfer pipe 2 between fin 1
Heat exchange.
Fin 1 is multiple along the direction arrangement parallel with the flow direction of air, becomes many array structures.
In figure 3, by configuration, the fin 1 in air stream upstream side is illustrated as fin 1A, will configure in air stream downstream
Fin 1 be illustrated as fin 1B.That is, in the example shown in Fig. 3, fin 1 becomes 2 array structures.
In Figure 5, by configuration, the fin 1 in air stream upstream side is illustrated as fin 1A, will configure in air stream downstream
Fin 1 be illustrated as fin 1C, fin 1 between fin 1A and fin 1C for the configuration is illustrated as fin 1B.That is, in Fig. 5 institute
In the example showing, fin 1 becomes 3 array structures.
It should be noted that the direction parallel with the flow direction of air is defined as " column direction ".
When the air stream most upstream side of flowing heat exchanger 50 is observed, fin 1A is equivalent to the " wing of first row
Piece ".
When the air stream most upstream side of flowing heat exchanger 50 is observed, fin 1B is equivalent to the " wing of secondary series
Piece ".
Heat-transfer pipe 2 sets up many in the side vertical with the flow direction of the air of fin 1.
In figure 3, the heat-transfer pipe 2 of insertion fin 1A is illustrated as heat-transfer pipe 2A, the heat-transfer pipe 2 of insertion fin 1B is illustrated
For heat-transfer pipe 2B.That is, in the example shown in Fig. 3, heat-transfer pipe 2 is configured to multilamellar.That is, heat-transfer pipe 2 is in the column direction with fin 1
It is configured to multilamellar on orthogonal direction.
In Figure 5, the heat-transfer pipe 2 of insertion fin 1A is illustrated as heat-transfer pipe 2A, the heat-transfer pipe 2 of insertion fin 1B is illustrated
For heat-transfer pipe 2B, the heat-transfer pipe 2 of insertion fin 1C is illustrated as heat-transfer pipe 2C.I.e., in the example as shown in fig. 5, by heat-transfer pipe 2
It is configured to multilamellar.
It should be noted that the direction vertical with the flow direction of air is defined as " layer direction ".In addition, heat-transfer pipe 2A
Be equivalent to " first heat-transfer pipe " of the present invention, heat-transfer pipe 2B is equivalent to " second heat-transfer pipe " of the present invention.
And, in heat exchanger 50, in frosting, in order to suppress the flow path portion to the air becoming final loss road
Divide the frosting producing, be not provided with the heat transfer promotion division such as slit between the heat-transfer pipe 2 before and after fin 1.Heat-transfer pipe 2 in front and back is
Refer to, on the basis of the heat-transfer pipe 2A of the most upstream side in the air stream carrying out heat exchange, this heat-transfer pipe 2A and closest to this heat transfer
Pipe 2A and than this heat-transfer pipe 2A by the top and 1 or 2 heat-transfer pipe 2B of lower section.That is, in heat exchanger 50, heat-transfer pipe 2A's
Between the bottom of the upper end of the region between the upper end of bottom and heat-transfer pipe 2B and heat-transfer pipe 2A and heat-transfer pipe 2B
Region (region (second area) L shown in Fig. 3 and Fig. 5 has 3 region L in Fig. 3 and Fig. 5) is not provided with promotion division of conducting heat.
But, the heat exchanger 50 shown in Fig. 5 is 3 array structures, therefore extends region L along column direction, in heat-transfer pipe 2C
Bottom and the upper end of heat-transfer pipe 2B between also be not provided with conduct heat promotion division.It should be noted that region L is set as at least
Comprise the region of the bottom of heat-transfer pipe 2A and the middle body of upper end of heat-transfer pipe 2B.
On the other hand, in heat exchanger 50, formed in the region (first area) of the not inclusion region L of fin 1 and be used for
Play the heat transfer promotion division 3 such as slit of heat transfer facilitation effect.But, as long as the region of the not inclusion region L of fin 1 being capable of shape
The region becoming heat transfer promotion division 3 can be it is not necessary to necessarily be formed heat transfer promotion division 3.It should be noted that not wrapping in fin 1
The δ 2 of the following explanation in the region containing region L forms heat transfer promotion division 3.
Thus, in heat exchanger 50, even if frosting grows it is also possible to region L guarantees the loss road as air.Especially
Even if it is some growth in heat-transfer pipe 2A for the frosting, region L also serves as the loss road function of air, and therefore air reaches
The downstream of heat exchanger 50, persistently carries out heat exchange.Therefore, according to heat exchanger 50, the deterioration of frost resistance can be suppressed.
On the other hand, in heat exchanger 50, the region of inclusion region L can not form heat transfer promotion division 3, if formed passing
Hot promotion division 3 then can promote heat transfer.
It should be noted that in Fig. 3 and Fig. 5, showing region L in case of parallel with column direction, but
Need not be proper parallel.For example, it is also possible to region L is guaranteed into from air stream upstream towards inclined downstream.Such
Words, region L also serves as draining road function when frost melts.That is, as region L, as long as comprising heat-transfer pipe 2A (heat-transfer pipe
Bottom 2C) and the middle body of upper end of heat-transfer pipe 2B, the upper end of heat-transfer pipe 2A (heat-transfer pipe 2C) and heat-transfer pipe 2B
Bottom middle body, region L can parallel with column direction it is also possible to not parallel with column direction, the two all may be used.
Furthermore it is possible to region L is arranged at a part.For example shown in Fig. 4, can go up and most the heat-transfer pipe 2A of the superiors
It is set as region L between the heat-transfer pipe 2B of layer.Or although not shown, but can also by undermost heat-transfer pipe 2A with
It is set as region L between the heat-transfer pipe 2B of lower floor.That is, the number of region L is not particularly limited.But, as Fig. 3 and Fig. 5
In setting regions L of both sides up and down of heat-transfer pipe, the reduction of frost resistance can be suppressed further.If in addition, by undermost biography
It is set as region L between heat pipe 2A and undermost heat-transfer pipe 2B, then draining be increased due to not existing of promotion division 3 of heat transfer
Property, the drainage after defrosting improves.
In addition, the Stagnation zones length (δ 1) on the basis of constituting heat exchanger 50 it is considered preferred to around heat-transfer pipe 2
Carry out the size of determining area L.δ's 1 partially due to air stream is peeled off and the originally few portion of frosting degree from the exterior region of heat-transfer pipe 2
Point.That is, region L is set to the scope in addition to the part of δ 1.Thereby, it is possible to form heat transfer promotion division 3 in the part of δ 1, in δ 1
Part realize the promotion of heat transfer, the loss road of air for width, can be guaranteed by region L.
Additionally, constitute heat exchanger 50 on the basis of it is considered preferred to heat-transfer pipe 2 wake flow Stagnation zones length (δ 2)
Come the region beyond determining area L, form the region of heat transfer promotion division 3.The part of δ 2 is the wake flow part of heat-transfer pipe 2, is
Air script is difficult to the part flowing.That is, do not form heat transfer promotion division 3 in region L, form heat transfer in the region comprising δ 2 and promote
Portion 3.Thus, the part in δ 2 forms heat transfer promotion division 3, realizes the promotion of heat transfer, for width, energy in the part of δ 2
The loss road of air is enough guaranteed by region L.It should be noted that as region L now, δ 1 can be comprised it is also possible to not
Comprise δ 1, the two all may be used.
As previously discussed, according to heat exchanger 50, by forming region L it can be ensured that the loss road of air during frosting,
The reduction of frost resistance can be suppressed.Therefore, in heat exchanger 50, even if in frosting, wind path is not also inaccessible, therefore, it is possible to hold
Reforwarding turns.
Embodiment 2.
Fig. 8 is the basic refrigerant loop of the refrigerating circulatory device 100 schematically showing embodiments of the present invention 2
The refrigerant loop figure of structure.Based on Fig. 8, structure and the action of refrigerating circulatory device 100 are described.This refrigerating circulatory device 100
Possess heat source machine 60 and indoor set 70, followed in the component devices being equipped on heat source machine 60 and indoor set 70 by making cold-producing medium
Ring, is able to carry out heat energy supplying operation (such as heating operation) or cold energy supplying operation (such as cooling operation).Need explanation
It is, in embodiment 2, to omit the description for marking same symbol with embodiment 1 identical part.
Indoor set (also referred to as indoor unit, utilize side apparatus (utilizing side unit) or load-side machine (load side unit)) 70
A part for refrigerating circulatory device 100 is constituted together with heat source machine 60.And, by heat source machine 60 and indoor set 70 will be equipped on
Component devices (compressor 10, heat exchanger 50, expansion valve 12, utilize side heat exchanger 71) carry out pipe arrangement connection and form system
Refrigerant circuit.Refrigerating circulatory device 100 is for example in the sky of execution air-conditioning object space (interior space of setting indoor set 70 etc.)
Allocation and transportation are utilized when turning.In addition, refrigerating circulatory device 100 for example makes boiling water become heat in execution by using side heat exchanger 71
It is utilized during the supplying hot water operating of water.But, in embodiment 2, illustrate that refrigerating circulatory device 100 executes the feelings of operation of air conditioner
Condition.
With regard to heat source machine 60, as described in explanation in embodiment 1.
Machine 70 is equipped with using side heat exchanger 71, blower fan 72 indoors.
Using side heat exchanger (also referred to as indoor heat converter, load-side heat exchanger) 71 in the same manner as heat exchanger 50
Can be made up of the fin tube heat exchanger of cross-fin formula.But, in the feelings carrying out heat exchange by water or refrigerating medium etc.
Under condition, can be by micro channel heat exchanger, shell-and-tube exchanger, hot-pipe type heat-exchanger, dual using side heat exchanger 71
Tubing heat exchanger, heat-exchangers of the plate type etc. are constituted.It should be noted that passing through sky here, enumerating using side heat exchanger 71
Gas illustrates in case of carrying out heat exchange with cold-producing medium.
Blower fan 72 is the Blast mechanism being for example made up of single flow fan (cross-flow fan).
Operation of air conditioner action for refrigerating circulatory device 100 illustrates.
[heating operation]
When driving compressor 10, so that cold-producing medium is boosted by compressor 10, become the state of High Temperature High Pressure and spray.From
The cold-producing medium that compressor 10 sprays is supplied to using side heat exchanger 71, is cooled by carrying out heat exchange with air, becomes
The state of cryogenic high pressure.Now, the air heating from indoor set 70 supply, carries out heating of air-conditioning object space.This refrigeration
Agent, from being flowed out using side heat exchanger 71, is carried out expansion decompression by expansion valve 12, becomes the state of low-temp low-pressure.This cold-producing medium exists
After being heated by heat exchanger 50, again return to compressor 10.
[cooling operation]
When driving compressor 10, so that cold-producing medium is boosted by compressor 10, become the state of High Temperature High Pressure and spray.From
The cold-producing medium heat exchanger 50 that compressor 10 sprays supplies, and is cooled by carrying out heat exchange with air, becomes low temperature high
The state of pressure.This cold-producing medium flows out from heat exchanger 50, carries out expansion decompression by expansion valve 12, becomes the shape of low-temp low-pressure
State.This cold-producing medium is heated by using side heat exchanger 71.Now, supply cooling air from indoor set 70, carry out air-conditioning pair
The refrigeration of image space.Again return to compressor 10 from the cold-producing medium flowing out using side heat exchanger 71.
As previously discussed, refrigerating circulatory device 100 possesses heat exchanger 50, therefore, even if can also ensure that in frosting
The loss road of air, can suppress the reduction of frost resistance.Even if in addition, refrigerating circulatory device 100 is in heat exchanger 50 frosting,
The wind path of heat exchanger 50 also will not be blocked for, therefore, it is possible to continuously carry out heat energy supplying operation.
It should be noted that the numerical value only example illustrating in embodiment 1, it is not defined to the number recorded
Value.
Symbol description
1 fin, 1A fin, 1B fin, 1C fin, 2 heat-transfer pipes, 2A heat-transfer pipe, 2B heat-transfer pipe, 2C heat-transfer pipe, 3 heat transfers promote
Enter portion, 10 compressors, 11 cross valves, 12 expansion valves, 15 refrigerant pipings, 16 acoustic filters, 20 blower fan, 21 fan motor
Machine, 22 motor supporting members, 50 heat exchangers, 60 heat source machines, 60A framework, 61 demarcation strips, 62 Machine Rooms, 63 blower rooms, 70
Indoor set, 71 utilize side heat exchanger, 72 blower fan, 100 refrigerating circulatory devices, L region.
Claims (7)
1. a kind of heat exchanger, it has multiple fins abreast vacated predetermined distance and configure and the biography of fin described in insertion
Heat pipe, described fin is many array structures, and described heat-transfer pipe is configured to multilamellar on the direction of the column direction straight trip with described fin,
Described heat exchanger is characterised by,
Described heat-transfer pipe includes：First heat-transfer pipe, it is observed from the most upstream side of the air stream of flowing described heat exchanger
The fin of Shi Guantong first row；And second heat-transfer pipe, the fin of its insertion secondary series, closest to described first heat-transfer pipe, and
On layer direction than described first heat-transfer pipe by the top and lower section,
It is provided with first area and second area in described fin, described first area is at least formed with heat transfer in a part and promotes
Portion, described second area does not form described heat transfer promotion division,
Described second area is arranged at the area between the bottom of described first heat-transfer pipe and the upper end of described second heat-transfer pipe
At least one of region between the bottom of the upper end of domain and described first heat-transfer pipe and described second heat-transfer pipe area
Domain.
2. heat exchanger according to claim 1 it is characterised in that
Described first area is the region with described second area independence.
3. heat exchanger according to claim 1 and 2 it is characterised in that
Described second area is at least included between the bottom of described first heat-transfer pipe and the upper end of described second heat-transfer pipe
Middle body.
4. heat exchanger according to claim 1 and 2 it is characterised in that
Described second area is at least included between the upper end of described first heat-transfer pipe and the bottom of described second heat-transfer pipe
Middle body.
5. the heat exchanger according to any one of Claims 1 to 4 it is characterised in that
Described second area is set to the region in addition to the Stagnation zones length of the surrounding of described heat-transfer pipe.
6. the heat exchanger according to any one of Claims 1 to 5 it is characterised in that
Described first area is set to the region including the Stagnation zones length of the wake flow of described heat-transfer pipe, in this region at least
It is formed with described heat transfer promotion division.
7. a kind of refrigerating circulatory device is it is characterised in that possess：
It is equipped with the heat source machine of the heat exchanger any one of claim 1～6；And
The utilization side apparatus being connected with described heat source machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210159443.XA CN114440328A (en) | 2014-05-15 | 2014-05-15 | Heat exchanger and refrigeration cycle device provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/063003 WO2015173938A1 (en) | 2014-05-15 | 2014-05-15 | Heat exchanger, and refrigeration cycle device provided with heat exchanger |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210159443.XA Division CN114440328A (en) | 2014-05-15 | 2014-05-15 | Heat exchanger and refrigeration cycle device provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106461350A true CN106461350A (en) | 2017-02-22 |
Family
ID=54479507
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480078695.3A Pending CN106461350A (en) | 2014-05-15 | 2014-05-15 | Heat exchanger, and refrigeration cycle device provided with heat exchanger |
| CN202210159443.XA Withdrawn CN114440328A (en) | 2014-05-15 | 2014-05-15 | Heat exchanger and refrigeration cycle device provided with same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210159443.XA Withdrawn CN114440328A (en) | 2014-05-15 | 2014-05-15 | Heat exchanger and refrigeration cycle device provided with same |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20170074564A1 (en) |
| EP (1) | EP3144624A4 (en) |
| JP (1) | JP5864030B1 (en) |
| CN (2) | CN106461350A (en) |
| WO (1) | WO2015173938A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112236640A (en) * | 2018-06-13 | 2021-01-15 | 三菱电机株式会社 | Heat exchanger, heat exchanger unit, and refrigeration cycle device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6671484B2 (en) * | 2016-09-08 | 2020-03-25 | 三菱電機株式会社 | Heat pump equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20170074564A1 (en) | 2017-03-16 |
| CN114440328A (en) | 2022-05-06 |
| JPWO2015173938A1 (en) | 2017-04-20 |
| WO2015173938A1 (en) | 2015-11-19 |
| EP3144624A1 (en) | 2017-03-22 |
| EP3144624A4 (en) | 2018-02-14 |
| JP5864030B1 (en) | 2016-02-17 |
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