CN108885015A - indoor heat exchanger - Google Patents
indoor heat exchanger Download PDFInfo
- Publication number
- CN108885015A CN108885015A CN201780020896.1A CN201780020896A CN108885015A CN 108885015 A CN108885015 A CN 108885015A CN 201780020896 A CN201780020896 A CN 201780020896A CN 108885015 A CN108885015 A CN 108885015A
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- CN
- China
- Prior art keywords
- flat tube
- heat exchange
- heat exchanger
- exchange department
- indoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
-
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F28D1/04—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
- F28D1/0471—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 having a non-circular cross-section
-
- 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
- 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
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- 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
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0071—Evaporators
-
- 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
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/12—Fins with U-shaped slots for laterally inserting conduits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The easy indoor heat exchanger of draining that can inhibit the increase and condensed water of ventilation resistance is provided.First thermofin (31) and the second thermofin (32) are respectively provided with:The principal part (33) of weather side is formed with the notch (35) for the first flat tube (21) and the second flat tube (22) insertion;With the interconnecting part (34) of downwind side, it is located at the side opposite with the open end of notch (35).First heat exchange department (11) and the second heat exchange department (12) are bent to, and the first flat tube (21) and the second flat tube (22) of each layer are arranged in the direction of the width, and weather side is inner circumferential side, and downwind side is peripheral side.
Description
Technical field
The present invention relates to indoor heat exchanger, particularly the interiors for the heat exchange being used between room air and refrigerant
Heat exchanger.
Background technique
In the past, as the heat exchanger for carrying out heat exchange with room air in the indoor unit of air-conditioning device, have
Such as such cross-fin type heat exchanger described in patent document 1 (No. 08/41656 pamphlet of International Publication No.).At this
In the cross-fin type heat exchanger of sample, stagnant water domain is easy to produce in the downwind side of the cylindric heat-transfer pipe of perforation fin.By
In in stagnant water domain fin part play the role of to heat exchange it is small, it is desirable, therefore, to assure that required heat exchange performance
And the above heat-transfer pipe of three column is set to realize high-performance.In this way, multiple rows more than three column incurs the enlargement of heat exchanger.
Further, since between heat-transfer pipe by air-flow by the access that narrows due to heat-transfer pipe, heat-transfer pipe hinders ventilation
Power increases.
Relative to such cross-fin type heat exchanger, at such as patent document 2 (International Publication No. 13/160957
Pamphlet) in describe instead of cylindric heat-transfer pipe and use the heat exchanger of flat tube.Using such flat tube
In heat exchanger, ventilation resistance can inhibit by using flat tube.
Summary of the invention
Subject to be solved by the invention
But since the high performance of heat exchanger requires the enlargements such as multiple row.Make heat exchanger more in this wise
In the case where column, there are such problems:Since in bending flat pipe, fin is deformed, ventilation resistance increases.In addition,
Compared with round tube, flat tube is elongated along the airflow direction of room air, thus it is not easy to will generate in indoor heat exchanger
Condensed water discharge.
Problem of the present invention is that the draining for providing the increase that can inhibit ventilation resistance and condensed water is readily indoor
Heat exchanger.
Means for solving the problems
The indoor heat exchanger of the first aspect of the present invention has:First heat exchange department has be arranged with multilayer the
One flat tube and multiple first thermofins intersected with the first flat tube, first heat exchange department is along the first flat tube
The room air and heat exchange is carried out between the refrigerant flowed in the first flat tube that width direction flows;With the second heat exchange
Portion, has multiple second thermofins for being arranged with the second flat tube of multilayer and intersecting with the second flat tube, and described second
Heat exchange department the room air that is flowed along the width direction of the second flat tube and the refrigerant that is flowed in the second flat tube it
Between carry out heat exchange, the first thermofin and the second thermofin are respectively provided with:The principal part of weather side is formed with flat for first
The notch of flat pipe and the insertion of the second flat tube;With the interconnecting part of downwind side, it is located at the side opposite with the open end of notch, the
One heat exchange department and the second heat exchange department are bent to, and the first flat tube and the second flat tube of each layer are arranged in the direction of the width,
Weather side is inner circumferential side, and downwind side is peripheral side.
Indoor heat exchanger according to the first aspect of the invention, due to lacking for the first thermofin and the second thermofin
Mouth is configured in inside, and the first flat tube and the second flat tube are curved to the inside, and therefore, can inhibit the principal part of the first thermofin
With the deformation of the principal part of the second thermofin.Since the interconnecting part of the first thermofin and the second thermofin is configured in leeward
Therefore side can be such that the room air by means of flowing in the width direction of the first flat tube and the second flat tube is transported
Condensed water in the up-down direction along interconnecting part flow.
The indoor heat exchanger of the second aspect of the present invention is in the indoor heat exchanger of first aspect, the first heat exchange department
It is bent to indoor fan can be surrounded into inner circumferential side with the second heat exchange department, and being configured to will be from being configured at inner circumferential side
Indoor fan blowout room air along the width direction of the first flat tube and the second flat tube from multiple first heat transfer fins
Exported to across the fin of multiple second thermofins between the fin of piece the second thermofin with interconnecting part
Peripheral side.
Indoor heat exchanger according to the second aspect of the invention can make from being surrounded into the first heat exchange department and second
The room air of the indoor fan blowout of the inner circumferential side of heat exchange department first flat tube and second flat tube small to ventilation resistance
Width direction blowout, can be handed over from the inner circumferential side of the first heat exchange department and the second heat exchange department to peripheral side in entire Indoor Thermal
Parallel operation transports condensed water.
The indoor heat exchanger of the third aspect of the present invention is more in the indoor heat exchanger of first aspect or second aspect
A first flat tube is configured to, and the position of weather side 0mm or more is leaned on positioned at the windward edge than multiple first thermofins.
Indoor heat exchanger according to the third aspect of the invention we, since the first flat tube is located at than multiple first heat transfer fins
The windward edge of piece leans on the position of weather side 0mm or more, thus, for example when being bent the first heat exchange department and the second heat exchange department etc.
Alee than the windward edge of the first thermofin the first flat tube of the prominent 0mm or more in side, which first supports, encounters component etc., can prevent example
Such as windward edge of multiple first thermofins is buckled.
For the indoor heat exchanger of the fourth aspect of the present invention in the indoor heat exchanger of the third aspect, multilayer first is flat
The wall thickness of the tube wall of the windward part positioned at weather side of pipe and the second flat tube of multilayer, which is greater than, is located at the first flat tube and second
The wall thickness of the tube wall of lateral parts on the layer direction of flat tube.
Indoor heat exchanger according to the fourth aspect of the invention, the wall of the tube wall of the windward part due to being located at weather side
It is thick, therefore, when being bent the first flat tube and the second flat tube using tool, even if receiving the damage as caused by tool
Wound, is also able to suppress the reduction of compressive resistance.
Interior of the indoor heat exchanger of the fifth aspect of the present invention in first aspect face either into fourth aspect
In heat exchanger, the first heat exchange department is configured to, in the leeward edge and second of multiple first thermofins of the first heat exchange department
Gap is formed between the principal part of the weather side of second thermofin of heat exchange department without contacting with the second heat exchange department.
Indoor heat exchanger according to the fifth aspect of the invention, since the first heat exchange department and the second heat exchange department are constituted
Not contact, therefore, it is another from the direction in the first heat exchange department and the second heat exchange department there are the temperature difference to be able to suppress heat
Side's conduction.
The indoor heat exchanger of the sixth aspect of the present invention is in the indoor heat exchanger of the 5th aspect, the second flat tube quilt
It is configured to, the position of weather side 0mm or more is leaned on positioned at the windward edge than multiple second thermofins.
Indoor heat exchanger according to the sixth aspect of the invention, since the second flat tube is located at than multiple second heat transfer fins
The windward edge of piece leans on the position of weather side 0mm or more, therefore, is easy to maintain between the first heat exchange department and the second heat exchange department
Gap.
The indoor heat exchanger of the seventh aspect of the present invention is in the indoor heat exchanger of the 6th aspect, the second flat tube quilt
It is configured to, leans on the position below weather side 2mm positioned at the windward edge than multiple second thermofins.
Indoor heat exchanger according to the seventh aspect of the invention, since the second flat tube is located at than multiple second heat transfer fins
The windward edge of piece leans on the position below weather side 2mm, and therefore, condensed water is easy to fall on the close to cocurrent by means of surface tension
In the gap below the 2mm formed between one heat exchange department and the second heat exchange department.
Interior of the indoor heat exchanger of the eighth aspect of the present invention in the 5th aspect face either into the 7th aspect
In heat exchanger, the leeward edge of multiple first thermofins of the first heat exchange department is along gap linearly in vertical direction
Extend.
Indoor heat exchanger according to the eighth aspect of the invention, due to multiple first thermofins leeward edge along
Gap linearly extends in vertical direction, therefore, guides condensed water readily along leeward edge.
Interior of the indoor heat exchanger of the ninth aspect of the present invention in the 5th aspect face either into eighth aspect
In heat exchanger, from the layer direction of the first flat tube and the second flat tube, the first heat exchange department and the second heat exchange department are curved
Song is at L font, C font or four side types.
Indoor heat exchanger according to the ninth aspect of the invention, since the first heat exchange department and the second heat exchange department are bent
At L font, C font or four side types, therefore, one group or two groups of the first heat exchange department and pair of the second heat exchange department can be utilized
It will be surrounded around the space of windward.
Invention effect
Indoor heat exchanger according to the first aspect of the invention can inhibit the increase of ventilation resistance, by means of downwind side
Interconnecting part make moisture condensation when drainage improve.
Indoor heat exchanger according to the second aspect of the invention can expeditiously be blown out using indoor fan to surrounding
Air-flow and make about condensed water drainage improve.
Indoor heat exchanger according to the third aspect of the invention we is able to suppress by the windward edge of multiple first thermofins
Deformation caused by ventilation resistance increase.
Indoor heat exchanger according to the fourth aspect of the invention, be able to suppress as caused by tool damage make it is first flat
The compressive resistance of flat pipe and the second flat tube is reduced to the curved part in inner circumferential side.
Indoor heat exchanger according to the fifth aspect of the invention is able to suppress since the first heat exchange department and the second heat are handed over
The heat transfer changed between portion makes the reduced performance of heat exchange.
Indoor heat exchanger according to the sixth aspect of the invention is easy to prevent from handing over due to the first heat exchange department and the second heat
The heat transfer changed between portion makes the reduced performance of the first heat exchange department and the second heat exchange department.
The drainage performance of indoor heat exchanger according to the seventh aspect of the invention, condensed water improves.
Indoor heat exchanger according to the eighth aspect of the invention is able to suppress generation condensed water sputtering etc. and is drawn by condensed water
The unfavorable condition risen.
Indoor heat exchanger according to the ninth aspect of the invention, can be realized can be using the device of indoor heat exchanger
The simplification of structure.
Detailed description of the invention
Fig. 1 is the perspective view for showing the appearance of indoor unit of embodiment.
Fig. 2 is the cross-sectional view of the indoor unit of Fig. 1.
Fig. 3 is the schematical plan view of indoor heat exchanger.
Fig. 4 is the cross-sectional view of the indoor heat exchanger for showing the position of the I-I line in Fig. 3 and its structure on periphery.
Schematic diagram when Fig. 5 is the indoor heat exchanger viewed from above to play a role as evaporator.
Fig. 6 is an exemplary partial enlargement section view of the relationship for showing the first flat tube and the second flat tube and notch
Figure.
Fig. 7 is an exemplary schematic diagram for showing the manufacturing process of indoor heat exchanger.
Fig. 8 is an exemplary schematic diagram for showing another manufacturing process of indoor heat exchanger.
Fig. 9 is the cross-sectional view for schematically showing the relationship of component and tool of indoor heat exchanger.
Figure 10 is the cross-sectional view for the wall thickness for illustrating the tube wall of the first flat tube and the second flat tube.
Figure 11 is the enlarged partial sectional view of the first heat exchange department and the second heat exchange department.
Schematic diagram when Figure 12 is the indoor heat exchanger of variation 1A viewed from above.
Schematic diagram when Figure 13 is another indoor heat exchanger of variation 1A viewed from above.
Figure 14 is the figure of internal structure when observing from below the indoor unit of variation 1B.
Figure 15 is the cross-sectional view by the indoor unit of the II-II line cutting in Figure 14.
Specific embodiment
(1) summary of the structure of air-conditioning device
The appearance that can apply the indoor unit of indoor heat exchanger of an embodiment of the invention is shown in FIG. 1,
The internal structure of the indoor unit of Fig. 1 is shown in FIG. 2.Indoor unit 100 is the refrigerating cycle fortune by carrying out steam compression type
Then it is used for the indoor unit of the ceiling setting type of the indoor cooling and warming of the building such as mansion.As shown in Fig. 2,
Indoor unit 100 is embedded in the indoor ceiling CE of the building such as mansion.Indoor unit 100 has indoor fan 120
With indoor heat exchanger 10.It is driven by indoor fan 120, so that indoor unit 100 is from the lower part in indoor unit 100
The suction inlet 101 of centre sucks room air, and blows out air from four blow-off outlets 102 of indoor unit 100.Indoor unit 100
Four sides of four blow-off outlets 102 and decorative panel 103 extend parallel to respectively, the decorative panel 103, which has, to be essentially formed just
The lower surface of rectangular shape.
The inside of machine 100 indoors is equipped with horn mouth 104 in the surface of suction inlet 101.It is sucked from suction inlet 101
Room air indoor fan 120 is directed to by horn mouth 104.Room air is substantial from indoor fan 120 and ceiling CE
It is blown out in parallel.In turn, from room and indoor heat exchanger 12 for being in the horizontal direction surrounded indoor fan 120
The room air that internal fan 120 is blown out is blown out from four blow-off outlets 102 in week more outward than indoor heat exchanger 10.
Indoors in heat exchanger 10, for example, in refrigeration operation indoors the temperature of heat exchanger 10 be lower than room temperature
In the case where can generate moisture condensation.Indoors in machine 100, in order to be undertaken on the condensation generated in indoor heat exchanger 10 due to moisture condensation
Water, the lower section of heat exchanger 10 is provided with drain pan 130 indoors.The condensed water that heat exchanger 10 generates indoors is inhaled by gravity
Draw along indoor heat exchanger 10 towards flowing down, and is fallen in drain pan 130 from indoor heat exchanger 10.
(2) indoor heat exchanger 10
The state of indoor heat exchanger 10 viewed from above is shown in FIG. 3.As shown in figure 3, indoor heat exchanger 10
It surrounds around indoor fan 120.Arrow Ar1, Ar2, Ar3, Ar4 in Fig. 3 indicate the direction of air flowing.In addition,
Blow-off outlet 102 there are four being formed on the direction of these arrows Ar1~Ar4 direction.Viewed from above, indoor heat exchanger 10 is in edge
Indoors fan 120 center have cornerwise center square each side shape.But be formed with draining
The corresponding position in position of pump 140 is recessed to inner circumferential side.
Indoor heat exchanger 10 is, for example, following equipment:Constitute the one of the refrigerant circuit (not shown) for carrying out refrigerating cycle
Part carries out heat exchange in the refrigerant and room air of refrigerant circuit flowing.The liquid extended from indoor heat exchanger 10
Piping 51 and gas pipe 52 are connected to refrigerant circuit.Liquid refrigerant is flowed mostly to from the extension of indoor heat exchanger 10
Liquid pipe 51, gas refrigerant flow mostly to gas pipe 52.
(2-1) the first heat exchange department 11 and the second heat exchange department 12
The indoor unit 100 cut off in position corresponding with the position of I-I line in Fig. 3 is enlargedly shown in Fig. 4
The cross section structure of a part.As shown in figure 4, indoor heat exchanger 10 has first heat exchange department 11 and the peripheral side of inner circumferential side
Second heat exchange department 12.In other words, the first heat exchange department 11 is configured in weather side, and the second heat exchange department 12 is configured in leeward
Side.First heat exchange department 11 there is the first flat tube 21 for being arranged with multilayer and intersect with multiple first flat tubes 21 multiple the
One thermofin 31.First flat tube 21 and the first thermofin 31 are substantially orthogonal.First thermofin 31 shown in Fig. 4 is only
It is a piece of, but the first thermofin of other first thermofins 31 adjacent with the first thermofin 31 shown in Fig. 4 and Fig. 4
31 configure in parallel.But the curved position 10R of heat exchanger 10 indoors, the first thermofin 31 adjacent to each other is each other
Not parallel, the interval of the peripheral side of the first thermofin 31 adjacent to each other is wider than the interval of inner circumferential side.It is first flat at one
In pipe 21, it is formed with while a column are arranged in from windward to leeward a plurality of flow path 21a, refrigerant flows in each flow path 21a.
Second heat exchange department 12 has the second flat tube 22 for being arranged with multilayer and intersects with multiple second flat tubes 22
Multiple second thermofins 32.Second flat tube 22 and the second thermofin 32 are substantially orthogonal.Second heat transfer fin shown in Fig. 4
Piece 32 is only a piece of, but the second biography of other second thermofins 32 adjacent with the second thermofin 32 shown in Fig. 4 and Fig. 4
Hot fin 32 configures in parallel.But the curved position 10R of heat exchanger 10 indoors, the second heat transfer fin adjacent to each other
Piece 32 is not parallel each other, and the interval of the peripheral side of the second thermofin 32 adjacent to each other is wider than the interval of inner circumferential side.At one
In second flat tube 22, it is formed with while a column are arranged in from windward to leeward a plurality of flow path 22a, refrigerant is in each flow path 22a
Flowing.
One that the flow direction of the refrigerant flowed in heat exchanger 10 indoors is schematically shown in Fig. 5 shows
Example.Indoor heat exchanger 10 has:It is connected to the current divider 53 of liquid pipe 51;It is connected to the liquid collectors of current divider 53
54;It is connected to the gas collectors 55 of gas pipe 52;With collector 56 of turning back.Fig. 3 and indoor heat exchanger shown in fig. 5 10 are adopted
It is constituted with two group of first heat exchange department 11 and the second heat exchange department 12.The side being configured near drain pan 140 is claimed
For the first heat exchange department 11 of first couple of P1 and the second heat exchange department 12 or first couple of P1, a remaining side is known as second couple of P2
The first heat exchange department 11 and the second heat exchange department 12 or second couple of P2.
In Fig. 5, the feelings that indoor heat exchanger 10 plays a role as evaporator are shown using arrow Ar5~Ar8
The flowing of refrigerant under condition.In first couple of P1, it is flowed into from liquid pipe 51 via current divider 53 and liquid collectors 54
Liquid refrigerant in first flat tube 21 flows to the direction of arrow Ar5.In turn, it is flowed in the first flat tube 21 of first couple of P1
Dynamic refrigerant enters the second flat tube 22 from the first flat tube 21 by turning back collector 56, and flows to the direction of arrow Ar6,
Gas pipe 52 is flowed to via gas collectors 55.In addition, in second couple of P2, from liquid pipe 51 via current divider 53 and liquid
Body collector 54 and the liquid refrigerant being flowed into the first flat tube 21 flow to the direction of arrow Ar7.In turn, second couple of P2's
The refrigerant flowed in first flat tube 21 enters the second flat tube 22, cocurrent from the first flat tube 21 by turning back collector 56
To the direction of arrow Ar8, gas pipe 52 is flowed to via gas collectors 55.In this way, indoor heat exchanger 10 shown in Fig. 5
In, liquid refrigerant evaporates during the first flat tube 21 and the second flat tube 22 flow and is changing into gas refrigerant.Fig. 5 institute
The indoor heat exchanger 10 shown is by bending to the first heat exchange department 11 and the second heat exchange department 12 and curved of first couple of P1 of L font
Song is combined at the first heat exchange department 11 of second couple of P2 of L font and the second heat exchange department 12 and is constituted.In addition, in first couple of P1
In have curved position 10R at two, there was only curved position 10R at one in second couple of P2, but which shape is divided
Class is at L font.
In this way, first couple of P1 and second couple of P2 is bent to L font, this is to make the first heat exchange department 11 and the second heat
Exchange part 12 can surround indoor fan 120 into inner circumferential side.In turn, first couple of P1 and second couple of P2 is each configured to, will be from
The room air of the blowout of indoor fan 120 of inner circumferential side is configured in along the width of the first flat tube 21 and the second flat tube 22
Direction across the fin of multiple second thermofins 32 from exporting between the fin of multiple first thermofins 31
The peripheral side with interconnecting part 34 (referring to Fig. 6) of two thermofins 32.
The detailed construction of (2-2) first thermofin 31
Show with being further amplified in Fig. 6 the first heat exchange department 11 shown in Fig. 4 the first thermofin 31 and by
It is embedded into a part of the first flat tube 21 therein.In addition, the structure of the first heat exchange department 11 enlargedly shown in Fig. 6
It is also identical as the second heat exchange department 12, therefore, here, the first heat exchange department 11 is illustrated, in the second heat exchange department 12
Incomplete structure explanation identical with the first heat exchange department 11.
First thermofin 31 has:The principal part 33 of weather side is formed with the notch 35 for the insertion of the first flat tube 21;
With the interconnecting part 34 of downwind side, it is located at the side opposite with the open end 35a of notch 35.First flat tube 21 is along in Fig. 6
The direction of arrow Ar9 be inserted into.Similarly, the second thermofin 32 has:The principal part 33 of weather side, is formed with for second
The notch 35 that flat tube 22 is inserted into;With the interconnecting part 34 of downwind side, it is located at the side opposite with the open end 35a of notch 35.
The water guide rib 36 of helpful condensate water discharging is formed in interconnecting part 34.Water guide rib 36 is that the slot made of being stamping extends
Part, the water guide rib 36 from an interarea f1 of the first thermofin 31 (or second thermofin 32), convex architecture edge
About 36 water guide rib extend longlyer, from another interarea of the opposite side of an interarea f1, concave architecture is along leading
About 36 water rib extends longlyer.In addition, in a side interarea f1 of the first thermofin 31 (or second thermofin 32)
It is formed with and multiple cuts portion 37 in bridge like is outstanding.In addition, as can be seen from FIG. 6, it is not formed around notch 35 to cut portion 37.
(3) bending machining of the component of indoor heat exchanger 10
The summary of (3-1) bending machining
Using Fig. 7, Fig. 8 and Fig. 9 to the forming method of the curved position 10R of indoor heat exchanger 10 shown in Fig. 3 into
Row explanation.Two as shown in Figure 7 and Figure 8 tools of use example form curved position 10R.That is, using 210 He of roll-type tool
Press tool 220 can form the curved position 10R of indoor heat exchanger 10.As shown in fig. 7, roll-type tool 210 is placed in
The position of curved position 10R should be formed and be fixed on 301 side of one end of the component 300 of indoor heat exchanger 10.In turn, from
Press tool 220 is pressed on component 300 by the side that the roller segment 211 of roll-type tool 210 is opposite.In addition, press tool 220 is pressed
Be pressed onto than roller segment 211 closer to component 300 the other end 302 position.
Then, as shown in figure 8, from press tool 220 to 300 applied force of component of indoor heat exchanger 10 and by component
300 the first flat tube 21 and the bending of the second flat tube 22.In the position for being formed with curved position 10R, the second flat tube 22
Radius of curvature be greater than the first flat tube 21 radius of curvature.Therefore, at the time of bending machining is completed, in order in component 300
The other end 302 at the end of the end of the first flat tube 21 and the second flat tube 22 is configured to not separate excessively each other, such as
Shown in Fig. 7, it is designed in this way:Before component 300 is bent, the end of the second flat tube 22 is more prominent than the end of the first flat tube 21
Out.
The part for being pressed roll-type tool 210 and press tool 220 of component 300 is enlargedly shown in Fig. 9.Root
According to Fig. 9 it is found that mainly the first flat tube 21 is connected to roll-type tool 210.The illustration is omitted in Fig. 9, but completion when
It is engraved between the first heat exchange department 11 and the second heat exchange department 12, inserted with plate during carrying out bending machining.In other words, exist
During bending machining, the second flat tube 22 is across plate and from the second flat tube 22 to 31 transmission force of the first thermofin.Similarly,
The region that press tool 220 is contacted with the second thermofin 32 is also wide area.In turn, with the first flat tube 21 from roll-type work
210 pressure that is subject to of tool is compared, and pressure that the second thermofin 32 is subject to from press tool 220 and the first thermofin 31 are from plate
The pressure being subject to is small.As a result, the leeward edge 31b and the second heat transfer fin of the first thermofin 31 when can prevent bending machining
Leeward edge 32b (referring to Fig.1 1) of piece 32 buckles.
The positional relationship of (3-2) flat tube and thermofin
As shown in fig. 6, multiple first flat tubes 21 are configured to, positioned at the windward edge than multiple first thermofins 31
31a leans on the position of weather side 0mm or more.That is, the end of shown in fig. 6, the first flat tube 21 weather side and the first heat transfer fin
The distance D1 of the windward edge 31a of piece 31 is 0mm or more, if considering for example there is foozle, it is preferred that distance D1 is configured to
0.5mm or more.As already explained, in bending machining, in order to reduce the power for being applied to the first thermofin 31, preferably
It is that the first flat tube 21 is prominent.
In addition, in bending machining, it is flat from being sandwiched in first from roll-type tool 210 to 21 applied force of the first flat tube
Plate between pipe 21 and the second flat tube 22 is to 22 applied force of the second flat tube.Consider the power that these apply and to set first flat
The wall thickness of the tube wall of pipe 21 and the second flat tube 22.Specifically, as shown in Figure 10, in the first flat tube 21 and the second flat tube
In 22, it is greater than positioned at the wall thickness t3 of tube wall 21d, 22d of the windward part of weather side flat positioned at the first flat tube 21 and second
The wall thickness t2 of tube wall 21c, 22c of lateral parts on the layer direction of pipe 22.In addition, with divide porous first flat tube 21 and
The wall thickness t1 of inner wall 21b, 22b of the flow path of second flat tube 22 are compared, tube wall 21d, 22d positioned at the windward part of weather side
Wall thickness t3 it is thicker.
A part of the first heat exchange department 11 and the second heat exchange department 12 is enlargedly shown in Figure 11.First heat exchange
Portion 11 is configured to, in the windward of the second thermofin 32 of the leeward edge 31b and the second heat exchange department 12 of the first thermofin 31
Clearance C L is formed between the principal part 33 of side without contacting with the second heat exchange department 12.It observes in further detail, the first heat is handed over
The leeward edge 31b for multiple first thermofins 31 for changing portion 11 linearly extends in vertical direction along clearance C L.In turn,
Preferably, it is ensured that the leeward edge 31b of the first thermofin 31 and the windward edge 32a distance D3 of the second thermofin 32 are
2mm or less.
In addition, as shown in fig. 6, multiple second flat tubes 22 are configured to, positioned at upper than multiple second thermofins 32
Wind edge 32a depends on weather side 0mm or more.That is, the end of shown in fig. 6, the second flat tube 22 weather side and the second thermofin
The distance D2 of 32 windward edge 32a is 0mm or more, it is preferred that is set in 2mm hereinafter, so that condensed water is easy by means of table
Face tension and fall close to cocurrent.The 2mm is the size for considering water droplet, if its be 2mm or more, then water droplet be not easy by
It is close in surface tension (capillarity).In addition, being applied to the second thermofin 32 in bending machining in order to reduce
Power, it is preferred that the second flat tube 22 is prominent, and (the second flat tube 22 is from the windward edge 32a of the second thermofin 32 to be greater than 0mm
Mode it is prominent and be located at weather side).
(4) variation
(4-1) variation 1A
In the above-described embodiment, it is listed below for situation and is illustrated:The indoor heat exchanger 10 is configured to,
From the layer direction of the first flat tube 21 and the second flat tube 22, first couple of P1 for bending to L font is combined with second couple of P2
Get up and is surrounded the complete cycle in the space of the windward configured with indoor fan 120.But for example, from the first flat tube 21
It is observed with the layer direction of the second flat tube 22, for surrounding the indoor heat exchange for being configured with the space of windward of indoor fan 120
The shape of device 10 is also possible to Figure 12 or four side types as shown in Figure 13.
In Figure 12, sent out using the indoor heat exchanger 10 that arrow Ar11, Ar12 show four side types as evaporator
The flowing of refrigerant in the case where the effect of waving.First is flowed into from liquid pipe 51 via current divider 53 and liquid collectors 54
Liquid refrigerant in flat tube 21 is flowed to the direction of arrow Ar11.The refrigerant flowed in the first flat tube 21 passes through folding
It returns collector 56 and enters the second flat tube 22 from the first flat tube 21, and flowed to the direction of arrow Ar12, via gas collectors
55 and flow to gas pipe 52.
In Figure 13, handed in the first flat tube 21 of the first heat exchange department 11 using arrow Ar12, Ar14, in the second heat
It changes in second flat tube 22 in portion 12 and shows the indoor heat exchanger 10 of four side types as evaporator using arrow Ar13, Ar15
And the flowing of the refrigerant in the case where playing a role.It is flowed into from liquid pipe 51 via current divider 53 and liquid collectors 54
Liquid refrigerant in first flat tube 21 is flowed to the direction of arrow Ar12, Ar13.The system flowed in the first flat tube 21
Cryogen is flowed to the direction of arrow Ar14, Ar15, and flows to gas pipe 52 via gas collectors 55.Arrow Ar12,
Position shown in Ar14,
(4-2) variation 1B
In the above-described embodiment, the case where surrounding the complete cycle of indoor fan 120 to indoor heat exchanger 10 is said
The not besieged such structure of bright a part but it is also possible to be around indoor fan.From the first flat tube 21 and second
The layer direction of flat tube 22 is observed, and for example, it can be Figure 14 and such C font shown in figure 15.
The internal structure of the indoor unit 100 observed from below is shown in FIG. 14, is shown in FIG. 15 along Figure 14
In II-II line cutting cross section structure.Indoor unit 100 has indoor fan 120 and indoor heat exchanger 10.The room of C font
Inside heat exchanger 10 is the part indicated by oblique line.It is driven by indoor fan 120, so that indoor unit 100 is from being in
The suction inlet 101 of the lower central of indoor unit 100 sucks room air, and from 102 blow out air of the blow-off outlet of indoor unit 100.
The inside of machine 100 indoors is equipped with horn mouth 104 in the surface of suction inlet 101.It is inhaled from suction inlet 101
The room air entered is directed to indoor fan 120 by horn mouth 104.Substantial room air is from indoor fan 120 along level
Direction is blown out.In turn, the indoor heat exchanger 10 by the way that indoor fan 120 to be surrounded in C font in the horizontal direction
And it is blown out from the room air that indoor fan 120 is blown out from blow-off outlet 102.
Indoors in heat exchanger 10, for example, in refrigeration operation indoors the temperature of heat exchanger 10 be lower than room temperature
In the case where can generate moisture condensation.Indoors in machine 100, in order to be undertaken on the condensed water of the generation of indoor heat exchanger 10, indoors
The lower section of heat exchanger 10 is provided with drain pan 130.Indoors heat exchanger 10 generate condensed water by gravitating and along
Indoor heat exchanger 10 flows downward, and falls in drain pan 130 from indoor heat exchanger 10.
(4-3) variation 1C
In above embodiment flow to the first flat tube 21 and the refrigerant of the second flat tube 22 can be both vapor compression
Other than the refrigerant of machine formula, it is also possible to such as water.
(4-4) variation 1D
In the indoor heat exchanger 10 of present embodiment, heat exchange department is the first heat exchange department 11 and the second heat exchange department
12 this two column, but also can be applied to the indoor heat exchanger of three column or more.
(4-5) variation 1E
The indoor unit 100 for being not limited to ceiling embedded type that indoor heat exchanger of the invention can be applied, can also answer
For such as ceiling hanging type indoor unit.
(4-6) variation 1F
In the above-described embodiment, the first flat tube 21 and the second flat tube 22 are arranged in identical height and configure, but this
The configuration of the first flat tube and the second flat tube of the indoor heat exchanger of invention is also possible to interconnected.
(5) feature
(5-1)
As described above, in being configured in due to the notch 35 of the first thermofin 31 and the second thermofin 32
Side, the first flat tube 21 and the second flat tube 22 are curved to the inside, and therefore, can inhibit the principal part 33 and of the first thermofin 31
The deformation of the principal part 33 of two thermofins 32.The change of the principal part 33 of the principal part 33 of first thermofin 31 and the second thermofin 32
Shape is suppressed, and will not can inhibit the increase of ventilation resistance there is a situation where the ventilation resistance increase due to deformation.
Further, since the interconnecting part 34 of the first thermofin 31 and the second thermofin 32 is configured in downwind side, therefore,
It can make to be transported by means of the room air flowed in the width direction of the first flat tube 21 and the second flat tube 22 cold
Condensate is flowed along interconnecting part 34, particularly water guide rib 36 in the up-down direction.In this way, flat using the first flat tube 21 and second
The interconnecting part 34 of the downwind side of flat pipe 22 improves drainage when moisture condensation.
(5-2)
In the above-described embodiment, indoors in heat exchanger 10, as shown in figure 5, first couple of P1 and second couple of P2 is curved
Song is at L font can surround indoor fan 120 into inner circumferential side.In addition, in variation 1A, room shown in Figure 12 and Figure 13
Inside heat exchanger 10 is bent to four side types can surround indoor fan 120 into inner circumferential side.Also, in variation 1B,
Indoor heat exchanger 10 shown in Figure 14 is bent to C font can surround indoor fan 120 into inner circumferential side.According in this way
Structure, from be configured in inner circumferential side indoor fan 120 blow out room air it is flat along the first flat tube 21 and second
The width direction of pipe 22 between the fin of multiple first thermofins 31 across the fin of multiple second thermofins 32
And export to the peripheral side with interconnecting part 34 of the second thermofin 32.As a result, indoors in heat exchanger 10, it can
Expeditiously improve the drainage about condensed water to the air-flow that surrounding is blown out using indoor fan 120.
(5-3)
As illustrated using Fig. 6, since the first flat tube 21 is located at the windward than multiple first thermofins 31
Edge 31a leans on the position of weather side 0mm or more, thus, for example when being bent the first heat exchange department 11 and the second heat exchange department 12 etc.
Alee than the windward edge 31a of the first thermofin 31 the first flat tube 21 of the prominent 0mm or more in side, which first supports, encounters roll-type tool
210 equal components, can prevent buckling for the windward edge 31a of for example multiple first thermofins 31.As a result, being able to suppress by more
The increase of ventilation resistance caused by the deformation of the windward edge 31a of a first thermofin 31.
(5-4)
When the wall thickness tt3 of tube wall 21d, 22d of the windward part for being located at weather side as illustrated in fig. 10 are greater than lateral parts
Tube wall 21c, 22c wall thickness t2 when, even if be bent the first flat tube 21 and the second flat tube 22 using roll-type tool 210
The damage as caused by roll-type tool 210 is received on the first flat tube 21 and the second flat tube 22, is also able to suppress resistance to pressure
The reduction of degree.As a result, being able to suppress the compressive resistance of the first flat tube 21 and the second flat tube 22 heat exchanger indoors
10 reduce to the curved part in inner circumferential side.
(5-5)
As the master of the weather side of the leeward edge 31b and the second thermofin 32 of the first thermofin 31 shown in Figure 11
Clearance C L is formed between portion 33, the first heat exchange department 11 is configured to not contact with the second heat exchange department 12, so as to inhibit
Heat is conducted from direction another party in the first heat exchange department 11 and the second heat exchange department 12 there are the temperature difference.As a result, energy
It is enough to inhibit to make the first heat exchange department 11 and the second heat due to the heat transfer between the first heat exchange department 11 and the second heat exchange department 12
The reduced performance of the heat exchange of exchange part 12.
(5-6)
Since the second flat tube 22 is located at the windward edge 32a than multiple second thermofins 32 by windward as illustrated in fig. 11
Therefore the position of side 0mm or more is easy to maintain the clearance C L between the first heat exchange department 11 and the second heat exchange department 12.It utilizes
It is easy to prevent by the first heat exchange department 11 and the second heat exchange by the clearance C L that the configuration of the second flat tube 22 is maintained
The reduced performance of heat exchange caused by heat transfer between portion 12.
(5-7)
As shown in figure 11, since the second flat tube 22 is located at the windward edge than multiple second thermofins by weather side 2mm
Position below, therefore, can be reliably formed between the first heat exchange department 11 and the second heat exchange department 12 2mm it is below between
Gap CL.That is, the leeward edge 31b of the first thermofin 31 and windward edge 32a distance D3 of the second thermofin 32 be 2mm with
Under.Condensed water is easy to fall on shape between the first heat exchange department 11 and the second heat exchange department 12 close to cocurrent by means of surface tension
At the gap below 2mm in.As a result, the drainage performance of the condensed water in indoor heat exchanger 10 improves.
(5-8)
As shown in figure 11, due to the leeward edge 31b of multiple first thermofins 31 along clearance C L linearly in vertical
Side upwardly extends, and therefore, guides condensed water readily along leeward edge 31b.Condensed water sputtering etc. occurs as a result, being able to suppress
The unfavorable condition as caused by condensed water.
(5-9)
First heat exchange department 11 and the second heat exchange department 12 can be using two groups first of L font as shown in Figure 5 to P1
With one group of first heat exchange department 11 of four side types in second couple of P2, Figure 12 and Figure 13 and the second heat exchange department 12 or Figure 14
Shown in C font one group of first heat exchange department and the second heat exchange department will be surrounded around the space of windward.Its result
It is the simplification that can be realized the structure for the indoor unit 100 that can apply indoor heat exchanger 10.
Label declaration
10 indoor heat exchangers
11 first heat exchange departments
12 second heat exchange departments
21 first flat tubes
21b, 21c, 21d tube wall
22 second flat tubes
22b, 22c, 22d tube wall
31 first thermofins
31a windward edge
31b leeward edge
32 second thermofins
32a windward edge
32b leeward edge
33 principal parts
34 interconnecting parts
35 notches
Existing technical literature
Patent document
Patent document 1:No. 08/41656 pamphlet of International Publication No.
Patent document 2:No. 13/160957 pamphlet of International Publication No.
Claims (9)
1. a kind of indoor heat exchanger, which is characterized in that
The indoor heat exchanger has:
First heat exchange department (11) has the first flat tube (21) for being arranged with multilayer and intersects with first flat tube
Multiple first thermofins (31), first heat exchange department (11) is in the room of the width direction flowing along first flat tube
Interior air and heat exchange is carried out between the refrigerant flowed in first flat tube;With
Second heat exchange department (12) has the second flat tube (22) for being arranged with multilayer and intersects with second flat tube
Multiple second thermofins (32), second heat exchange department (12) is in the room of the width direction flowing along second flat tube
Interior air and heat exchange is carried out between the refrigerant flowed in second flat tube,
First thermofin and second thermofin are respectively provided with:The principal part (33) of weather side, is formed with for institute
State the notch (35) of the first flat tube and second flat tube insertion;With the interconnecting part (34) of downwind side, be located at it is described
The opposite side in the open end of notch,
First heat exchange department and second heat exchange department are bent to, first flat tube of each layer and described second flat
Flat pipe is arranged in the direction of the width, and weather side is inner circumferential side, and downwind side is peripheral side.
2. indoor heat exchanger according to claim 1, which is characterized in that
First heat exchange department and second heat exchange department are bent to that indoor fan (120) can be surrounded into described interior
Side, and the room air for being configured to blow out from the indoor fan for being configured at the inner circumferential side is along described the
The width direction of one flat tube and second flat tube between the fin of multiple first thermofins pass through multiple institutes
State between the fin of the second thermofin and export to the peripheral side with the interconnecting part of second thermofin.
3. indoor heat exchanger according to claim 1 or 2, which is characterized in that
Multiple first flat tubes are configured to, and lean on windward positioned at the windward edge (31a) than multiple first thermofins
The position of side 0mm or more.
4. indoor heat exchanger according to claim 3, which is characterized in that
The windward part positioned at weather side of second flat tube described in first flat tube and multilayer described in multilayer tube wall (21d,
Wall thickness 22d) is greater than the tube wall of the lateral parts on the layer direction of first flat tube and second flat tube
The wall thickness of (21c, 22c).
5. indoor heat exchanger according to any one of claims 1 to 4, which is characterized in that
First heat exchange department is configured to, in the leeward edge of multiple first thermofins of first heat exchange department
Be formed between the principal part of the weather side of second thermofin of (31b) and second heat exchange department gap without
It is contacted with second heat exchange department.
6. indoor heat exchanger according to claim 5, which is characterized in that
Second flat tube is configured to, and depends on weather side 0mm positioned at the windward edge (32a) than multiple second thermofins
Above position.
7. indoor heat exchanger according to claim 6, which is characterized in that
Second flat tube is configured to, and depends on weather side 2mm positioned at the windward edge than multiple second thermofins
Position below.
8. the indoor heat exchanger according to any one of claim 5 to 7, which is characterized in that
The leeward edge of multiple first thermofins of first heat exchange department linearly exists along the gap
Extend in vertical direction.
9. according to claim 1 to indoor heat exchanger described in any one of 8, which is characterized in that
From the layer direction of first flat tube and second flat tube, first heat exchange department and second heat
Exchange part bends to L font, C font or four side types.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-077262 | 2016-04-07 | ||
JP2016077262A JP6380449B2 (en) | 2016-04-07 | 2016-04-07 | Indoor heat exchanger |
PCT/JP2017/013908 WO2017175702A1 (en) | 2016-04-07 | 2017-04-03 | Indoor heat exchanger |
Publications (1)
Publication Number | Publication Date |
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CN108885015A true CN108885015A (en) | 2018-11-23 |
Family
ID=60000487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201780020896.1A Pending CN108885015A (en) | 2016-04-07 | 2017-04-03 | indoor heat exchanger |
Country Status (7)
Country | Link |
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US (1) | US20190170372A1 (en) |
EP (1) | EP3441683B1 (en) |
JP (1) | JP6380449B2 (en) |
CN (1) | CN108885015A (en) |
AU (1) | AU2017247746B2 (en) |
ES (1) | ES2793474T3 (en) |
WO (1) | WO2017175702A1 (en) |
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CN111630336A (en) * | 2018-01-22 | 2020-09-04 | 大金工业株式会社 | Indoor heat exchanger and air conditioner |
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KR102491602B1 (en) * | 2015-10-23 | 2023-01-25 | 삼성전자주식회사 | Air conditioner |
JP6897372B2 (en) * | 2017-07-03 | 2021-06-30 | ダイキン工業株式会社 | Heat exchanger |
JP2019215117A (en) * | 2018-06-12 | 2019-12-19 | ダイキン工業株式会社 | Indoor heat exchanger, and air conditioner |
KR20200078936A (en) * | 2018-12-24 | 2020-07-02 | 삼성전자주식회사 | Heat exchanger |
JP2020159616A (en) * | 2019-03-26 | 2020-10-01 | 株式会社富士通ゼネラル | Air conditioner |
CN113091297B (en) * | 2021-04-13 | 2023-06-23 | 青岛海尔空调器有限总公司 | Air conditioner pipeline structure and air conditioner |
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2016
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2017
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- 2017-04-03 US US16/091,440 patent/US20190170372A1/en not_active Abandoned
- 2017-04-03 EP EP17779080.5A patent/EP3441683B1/en active Active
- 2017-04-03 CN CN201780020896.1A patent/CN108885015A/en active Pending
- 2017-04-03 AU AU2017247746A patent/AU2017247746B2/en active Active
- 2017-04-03 ES ES17779080T patent/ES2793474T3/en active Active
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JP2002139282A (en) * | 2000-10-31 | 2002-05-17 | Mitsubishi Electric Corp | Heat exchanger, refrigerating air conditioner and manufacturing method of heat exchanger |
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CN104285116A (en) * | 2012-04-26 | 2015-01-14 | 三菱电机株式会社 | Heat exchanger, indoor unit, and refrigeration cycle device |
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CN111630336A (en) * | 2018-01-22 | 2020-09-04 | 大金工业株式会社 | Indoor heat exchanger and air conditioner |
Also Published As
Publication number | Publication date |
---|---|
ES2793474T3 (en) | 2020-11-16 |
AU2017247746A1 (en) | 2018-11-29 |
AU2017247746B2 (en) | 2018-12-06 |
EP3441683A4 (en) | 2019-04-17 |
JP2017187243A (en) | 2017-10-12 |
US20190170372A1 (en) | 2019-06-06 |
WO2017175702A1 (en) | 2017-10-12 |
JP6380449B2 (en) | 2018-08-29 |
EP3441683A1 (en) | 2019-02-13 |
EP3441683B1 (en) | 2020-03-04 |
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