CN103765150A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN103765150A
CN103765150A CN201280042876.1A CN201280042876A CN103765150A CN 103765150 A CN103765150 A CN 103765150A CN 201280042876 A CN201280042876 A CN 201280042876A CN 103765150 A CN103765150 A CN 103765150A
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CN
China
Prior art keywords
heat exchanger
fin
outdoor
air
heat
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.)
Pending
Application number
CN201280042876.1A
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Chinese (zh)
Inventor
重田明广
横山昭一
野间富之
山本宪昭
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Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN103765150A publication Critical patent/CN103765150A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14Heat exchangers specially adapted for separate outdoor units
    • F24F1/16Arrangement or mounting thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-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
    • F28D1/02Heat-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
    • F28D1/04Heat-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
    • F28D1/0408Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426Multi-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
    • F28D1/0435Combination of units extending one behind the other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-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
    • F28D1/02Heat-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
    • F28D1/04Heat-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
    • F28D1/047Heat-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
    • F28D1/0477Heat-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular 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
    • F28F1/24Tubular 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
    • F28F1/32Tubular 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00Fastening; Joining
    • F28F2275/14Fastening; Joining by using form fitting connection, e.g. with tongue and groove

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  • 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)
  • Other Air-Conditioning Systems (AREA)

Abstract

An outdoor heat exchanger (5), in at least three rows, comprises a main heat exchanger (8) and a sub heat exchanger (9). By constituting one end of the main heat exchanger (8) and the sub heat exchanger (9) of separate end plates (10a, 10b), it becomes unnecessary to support the outdoor heat exchanger (5) integrally in three rows using an assembly or the like; therefore, at the end not joined to the end plates, the falling of a fin (20) of a heat exchanger row which is the center of the three rows is prevented, such falling caused by the fin (20) being subjected to a pressure force from heat exchanger rows at both ends, and blowing functionality is improved.

Description

Air conditioner
Technical field
The present invention relates to a kind of heat exchanger that is widely used in air conditioner or refrigerator field.
Background technology
In this heat exchanger of prior art, due to the pursuit high efficiency that responds the restriction of energy-saving act in recent years and cause, in order to expand heat transfer area, there is the heat exchanger that three row is formed to one (for example,, with reference to patent documentation 1).
Fig. 5 is the approximate three-dimensional map that is equipped on the heat exchanger in the off-premises station of existing air conditioner.This heat exchanger comprises: fin 20, it is arranged in parallel a plurality of at certain intervals, air 31 flows and heat-transfer pipe 21 between this fin, its interlamellar spacing according to the rules becomes approximate right angle with column pitch and inserts fin 20, cold-producing medium, in this heat-transfer pipe internal flow, forms heat exchanger row thus.One end of these heat exchanger row is connected with end plate 30, thus, forms the heat exchanger of three row one.
Patent documentation 1: Japanese kokai publication hei 11-264689 communique
Summary of the invention
Invent problem to be solved
Fig. 6 is the approximate vertical view of the existing outdoor heat converter seen of the B direction from Fig. 5.As shown in Figure 6, in the heat exchanger described in patent documentation 1, there is following problem: by assembling etc. keep heat exchanger in the situation that, in the one end not being connected with end plate, as the fin of the heat exchanger row of the middle column of three row by the compressing of the heat exchanger of both sides row, cause fin to collapse down, wind pushing performance declines.
The present invention is exactly with solving aforementioned existing problem, its object is: a kind of air conditioner is provided, by assembling etc. keep heat exchanger in the situation that, prevent the one end being connected with end plate not, as the fin of the heat exchanger row of the middle column of three row by the compressing of the heat exchanger of both sides row and cause fin to collapse down, raising wind pushing performance.
For solving the method for problem
In order to solve described existing problem, air conditioner of the present invention, comprising:
Kind of refrigeration cycle, links compressor, indoor heat converter, expansion cell, outdoor heat converter with refrigerant loop, with outdoor Air Blast fan, air is delivered to described outdoor heat converter, wherein, described outdoor heat converter is fin tube type heat exchanger, this fin tube type heat exchanger is comprised of a plurality of heat exchangers row that comprise more than three row main heat exchanger and secondary heat exchanger, described main heat exchanger and described secondary heat exchanger comprise and are arranged with a plurality of fins and at a plurality of heat-transfer pipes of internal flow cold-producing medium, wherein, described fin is along with the air that the rotation of described outdoor Air Blast fan produces flows between described fin, described a plurality of heat-transfer pipe becomes approximate right angle with the interlamellar spacing of stipulating with column pitch and inserts described fin, one end of described main heat exchanger and one end of described secondary heat exchanger are formed by different end plates respectively.
Thus, by assembling etc. keep heat exchanger in the situation that, prevent one end of being connected with end plate not, as the fin of the heat exchanger row of the middle column of three row by the compressing of the heat exchanger of both sides row and cause fin to collapse down.
Invention effect
According to air conditioner of the present invention, can be by assembling etc. keep heat exchanger in the situation that, prevent the one end being connected with end plate not, as the fin of the heat exchanger row of the middle column of three row by the compressing of the heat exchanger of both sides row and cause fin to collapse down, raising wind pushing performance.
Accompanying drawing explanation
Fig. 1 is the structure chart of the air conditioner in embodiments of the present invention 1.
Fig. 2 is the structure chart of the outdoor heat converter in embodiments of the present invention 1.
(a) of Fig. 3 means the stereogram of the state before the end plate of main heat exchanger of the outdoor heat converter in embodiments of the present invention 1 and the end plate of secondary heat exchanger are connected, and (b) of Fig. 3 means the stereogram of the state after end plate is connected with end plate.
(a) of Fig. 4 arranges the sectional view of seeing from the A-A ' direction of Fig. 2 while cutting forming part, and (b) of Fig. 4 means the figure of the incision forming part on the fin face of downwind side of the outdoor heat converter in embodiments of the present invention 1.
Fig. 5 means the approximate three-dimensional map of structure of the outdoor heat converter of existing air conditioner.
Fig. 6 is the approximate vertical view of the existing outdoor heat converter seen from the B direction of Fig. 5.
The specific embodiment
The first invention comprises: kind of refrigeration cycle, links compressor, indoor heat converter, expansion cell, outdoor heat converter with refrigerant loop, with outdoor Air Blast fan, air is delivered to described outdoor heat converter, wherein, described outdoor heat converter is fin tube type heat exchanger, this fin tube type heat exchanger is comprised of a plurality of heat exchangers row that comprise more than three row main heat exchanger and secondary heat exchanger, described main heat exchanger and described secondary heat exchanger comprise and are arranged with a plurality of fins and at a plurality of heat-transfer pipes of internal flow cold-producing medium, wherein, described fin is along with the air that the rotation of described outdoor Air Blast fan produces flows between described fin, described a plurality of heat-transfer pipe becomes approximate right angle with the interlamellar spacing of stipulating with column pitch and inserts described fin, one end of described main heat exchanger and one end of described secondary heat exchanger are formed by different end plates respectively.
Thus, by assembling etc. keep heat exchanger in the situation that, prevent one end of being connected with end plate not, as the fin of the heat exchanger row of the middle column of three row by the compressing of the heat exchanger of both sides row and cause fin to collapse down.
Second invention be, particularly, in the first invention, at least one end of described outdoor heat converter is flexed into roughly and forms L word shape.
According to this structure, can realize the miniaturization of outdoor heat converter.
The 3rd invention is, particularly in the first or second invention, described secondary heat exchanger is arranged at the weather side of the Air Flow that the rotation along with described outdoor Air Blast fan produces, and the external diameter of the described heat-transfer pipe of described secondary heat exchanger is less than the external diameter of the described heat-transfer pipe of described main heat exchanger.
According to this structure, heat exchanger row adopt the above multiple row of three row, can reduce flowing resistance, further improve wind pushing performance.
The 4th invention is, particularly in first to the 3rd any one invention, on the face of the described fin of the mobile downwind side of the air that described outdoor heat converter produces in the rotation along with described outdoor Air Blast fan, be provided with the incision forming part of opening opposite to each other that flows with described air.
According to this structure, prevent that the pyroconductivity of the downwind side that the development because of the continuous thermal boundary layer from weather side to downwind side on the face of fin (thermal boundary layer) causes from declining, improve the efficiency of heat exchanger.
Below, with reference to accompanying drawing, embodiments of the present invention are described.In addition, the present invention is not limited to this embodiment.
(embodiment 1)
Fig. 1 is the structure chart of the air conditioner in embodiments of the present invention 1.
Air conditioner in embodiments of the present invention 1 comprises: compressor 1, cross valve 2, indoor heat converter 3, the expansion valve 4 as expansion cell of the present invention, outdoor heat converter 5, they are connected into ring-type, and form kind of refrigeration cycle.In addition, in indoor heat converter 3 and outdoor heat converter 5, be provided with indoor Air Blast fan 6 and the outdoor Air Blast fan 7 of carrying air.
Fig. 2 means the structure chart of the outdoor heat converter in embodiments of the present invention 1.
As shown in Figure 2, outdoor heat converter 5 has a plurality of heat exchanger row, comprise: fin 20, its according to parallel at certain interval arrange a plurality of, the air 31 producing along with the rotation of outdoor Air Blast fan 7 flows and a plurality of heat- transfer pipe 21a, 21b between this fin, its interlamellar spacing according to the rules becomes approximate right angle with column pitch to be inserted in fin 20, and cold-producing medium is in the internal flow of the plurality of heat-transfer pipe.In embodiments of the present invention 1, this heat exchanger device is listed as by two row main heat exchangers 8 and the secondary heat exchanger 9 of row and forms, and by each end plate 10a, the 10b that are arranged at its one end are connected, forms three row one.In order to realize the miniaturization of outdoor heat converter 5, the other end is flexed into roughly L word shape.
Below, operation and the effect that adopts the air conditioner forming with upper type is described.
As basic operation, when refrigerating operaton, from compressor 1, discharge the cold-producing medium of compressed HTHP, via cross valve 2 inflow outdoor heat exchangers 5.In this outdoor heat converter 5, between the fin 20 of the outdoor air of being carried by the outdoor Air Blast fan 7 that is arranged at its air channel by outdoor heat converter 5 and heat- transfer pipe 21a, 21b and be cooled, become the liquid condition (outdoor heat converter 5 is as condenser) of high pressure.
Then, at expansion valve 4, be depressurized the two phase refrigerant that becomes low pressure, inflow indoor heat exchanger 3.At this indoor heat converter 3, carry out heat exchange with the room air of being carried by the indoor Air Blast fan 6 that is arranged at its air channel, thus, the air blowing out to the interior space is cooled, and the heat of vaporization that cold-producing medium utilization is obtained from air forms gaseous state (indoor heat converter 3 works as evaporimeter).Repeat cold-producing medium and return to the such circulation of compressor 1, the interior space is carried out to air conditioning.In addition, in the situation that heating is moved, become refrigerant flow direction contrary to the above in kind of refrigeration cycle, indoor heat converter 3 is as condenser, and outdoor heat converter 5 is as evaporimeter.In addition, the cold-producing medium using in kind of refrigeration cycle is applicable to few cold-producing medium, the cold-producing mediums such as R410A, propane, propylene, carbon dioxide of carrying capacity of environment (environmental load), but is not limited to these.
Below, outdoor heat converter 5 is described in detail.As shown in Figure 2, first, main heat exchanger 8 is arranged to the downwind side of the air draught 31 of carrying from outdoor Air Blast fan 7.Secondary heat exchanger 9 is arranged to the weather side of the air draught 31 of carrying from outdoor Air Blast fan 7.Then, by being arranged at main heat exchanger 8, be connected with end plate 10a, the 10b of one end of secondary heat exchanger 9.By assembling etc., outdoor heat converter 5 is not kept with three row one, so, can prevent one end of being connected with end plate not, as the fin 20 of the heat exchanger row of the middle column of three row by the compressing of the heat exchanger of both sides row and cause fin 20 to collapse down.
Fig. 3 is the structure chart of the end plate of the outdoor heat converter in embodiments of the present invention 1.Particularly Fig. 3 (a) means the stereogram of the state before the end plate 10a of the main heat exchanger in outdoor heat converter 8 is connected with the end plate 10b of secondary heat exchanger 9.(b) of Fig. 3 means the stereogram of the state after end plate 10a is connected with end plate 10b.
As shown in Fig. 3 (a), the end plate of the outdoor heat converter 5 in embodiments of the present invention 1 is formed by different end plate 10a, 10b.End plate 10a has peristome 14a, 14b, 14c, at end plate 10b, has pawl 11a, 11b, 11c.In air conditioner in embodiments of the present invention 1, when end plate 10a is connected with end plate 10b, as shown in Fig. 3 (b), according to pawl 11a, 11b, 11c, enter peristome 14a, the 14b of end plate 10a, the mode in 14c, end plate 10a is overlapped with a part of end plate 10b.With screw 12a, 12b, end plate 10a and end plate 10b are fixed.Like this, a part of end plate 10a, 10b is overlapped, and be fixed with pawl 11a, 11b, 11c and screw 12a, 12b, thereby can as the end plate of one, firmly fix.
As described above, in embodiments of the present invention 1, outdoor heat converter 5 is more than three row, by main heat exchanger 8 and secondary heat exchanger 9, is formed.In addition, main heat exchanger 8 is formed by different end plate 10a, 10b respectively from one end of secondary heat exchanger 9.By this structure, by assembling etc., outdoor heat converter 5 three row are not kept integratedly.Therefore, can prevent in the disjunct one end of end plate, as the fin 20 of the heat exchanger row of the middle column of three row, by the compressing of the heat exchanger of both sides row and cause fin 20 to collapse down, can improve wind pushing performance.
In addition, in the air conditioner of embodiments of the present invention 1, make the external diameter of heat-transfer pipe 21b of secondary heat exchanger 9 of outdoor heat converter 5 less than the external diameter of the heat-transfer pipe 21a of main heat exchanger 8, thus, can further improve wind pushing performance.
In the outdoor heat converter 5 of the heat exchanger row of the multiple row more than comprising three row, due to these multiple row heat exchanger row of configuration, flowing resistance increases, and is difficult to improve wind pushing performance.In air conditioner in embodiments of the present invention 1, make the external diameter of heat-transfer pipe 21b of secondary heat exchanger 9 of outdoor heat converter 5 less than the external diameter of the heat-transfer pipe 21a of main heat exchanger 8.Thus, heat exchanger row adopt the above multiple row of three row, can reduce flowing resistance, further improve wind pushing performance.
Fig. 4 arranges the structure chart while cutting forming part on the fin face of downwind side of the outdoor heat converter in embodiments of the present invention 1.(a) of Fig. 4 arranges the sectional view that the A-A ' direction from Fig. 2 while cutting forming part is seen.(b) of Fig. 4 means the figure of the incision forming part on the fin face of downwind side of outdoor heat converter.
In the rotation of the outdoor Air Blast fan 7 of the outdoor heat converter 5 along with in embodiments of the present invention 1 and on the face of the fin 20 of the mobile downwind side of the air 31 producing, as shown in Fig. 4 (a) and Fig. 4 (b), be provided with air draught 31 in opposite directions and the incision forming part 13 of opening.In air conditioner in embodiments of the present invention 1, utilize this incision forming part 13 to prevent the decline of the pyroconductivity of downwind side, improve the efficiency of outdoor heat converter 5.
From compressor 1, the cold-producing medium of compressed HTHP, via cross valve 2 inflow outdoor heat exchangers 5, flows in heat-transfer pipe 21a, the 21b of main heat exchanger 8 and secondary heat exchanger 9.Heat- transfer pipe 21a, 21b are connected with multiple row fin 20, and the air draught 31 being produced by outdoor Air Blast fan 7 flows through between the surrounding and fin 20 of heat-transfer pipe 21a, 21b.Now, by the air between fin 20, mutually do not mix, but flow through independently each space being clipped by fin 20 and carry out heat exchange.Therefore,, along the surface formation thermal boundary layer of fin 20, particularly thermal boundary layer develops towards downwind side from weather side.Due to the development of this thermal boundary layer, the pyroconductivity of downwind side declines.
In the air conditioner of present embodiment 1, on the face of the fin 20 of the downwind side of the air draught 31 producing in the rotation of the outdoor Air Blast fan 7 along with outdoor heat converter 5, be provided with air draught 31 in opposite directions and the incision forming part 13 of opening.Utilize this incision forming part 13, can cut off along the thermal boundary layer developing on the face of fin 20.In addition, the air between fin 20 31 of flowing through clashes into and cuts forming parts 13, mixes and promote turbulent flow generation can suppress thus the development of thermal boundary layer with the air at the fin back side.Therefore, in the air conditioner of present embodiment 1, on the face of the fin 20 of the downwind side of the air draught 31 producing in the rotation of the outdoor Air Blast fan 7 along with outdoor heat converter 5, be provided with air draught 31 in opposite directions and the incision forming part 13 of opening, thus, can prevent from, because the weather side the face from fin causes the decline of the pyroconductivity of downwind side to the continuous thermal boundary layer development of downwind side, improving the efficiency of outdoor heat converter 5.
In industry, utilize possibility
As described above, air conditioner involved in the present invention and mobile air have high heat exchange performance, so, also can be applicable to need industrial, the home-use air conditioner of High Efficiency Thermal exchange etc.
Symbol description
1 compressor
2 cross valves
3 indoor heat converters
4 expansion valves (expansion cell)
5 outdoor heat converters
6 indoor Air Blast fans
7 outdoor Air Blast fans
8 main heat exchangers
9 secondary heat exchangers
10a (main heat exchanger) end plate
10b (secondary heat exchanger) end plate
11a, 11b, 11c pawl
12a, 12b screw
13 cut forming part
14a, 14b, 14c peristome
20 fins
21 heat-transfer pipes
21a (main heat exchanger) heat-transfer pipe
21b (secondary heat exchanger) heat-transfer pipe
31 air draughts

Claims (4)

1. an air conditioner, is characterized in that:
Comprise:
Kind of refrigeration cycle, links compressor, indoor heat converter, expansion cell, outdoor heat converter with refrigerant loop; With
Outdoor Air Blast fan, is delivered to described outdoor heat converter by air, wherein,
Described outdoor heat converter is fin tube type heat exchanger, and this fin tube type heat exchanger is comprised of a plurality of heat exchangers row that comprise more than three row main heat exchanger and secondary heat exchanger,
Described main heat exchanger and described secondary heat exchanger comprise and are arranged with a plurality of fins and at a plurality of heat-transfer pipes of internal flow cold-producing medium, wherein, described fin is along with the air that the rotation of described outdoor Air Blast fan produces flows between described fin, described a plurality of heat-transfer pipe becomes approximate right angle with the interlamellar spacing of stipulating with column pitch and inserts described fin
One end of described main heat exchanger and one end of described secondary heat exchanger are formed by different end plates respectively.
2. air conditioner as claimed in claim 1, is characterized in that:
At least one end of described outdoor heat converter is flexed into roughly and forms L word shape.
3. air conditioner as claimed in claim 1 or 2, is characterized in that:
Described secondary heat exchanger is arranged at the weather side of the Air Flow that the rotation along with described outdoor Air Blast fan produces, and the external diameter of the described heat-transfer pipe of described secondary heat exchanger is less than the external diameter of the described heat-transfer pipe of described main heat exchanger.
4. the air conditioner as described in any one in claim 1~3, is characterized in that:
On the face of the described fin of the downwind side of the Air Flow that described outdoor heat converter produces in the rotation along with described outdoor Air Blast fan, be provided with the incision forming part of opening opposite to each other that flows with described air.
CN201280042876.1A 2011-12-09 2012-10-18 Air conditioner Pending CN103765150A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-269679 2011-12-09
JP2011269679 2011-12-09
PCT/JP2012/006688 WO2013084397A1 (en) 2011-12-09 2012-10-18 Air conditioner

Publications (1)

Publication Number Publication Date
CN103765150A true CN103765150A (en) 2014-04-30

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JP (1) JPWO2013084397A1 (en)
KR (1) KR20140106493A (en)
CN (1) CN103765150A (en)
WO (1) WO2013084397A1 (en)

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US11781812B2 (en) 2016-08-31 2023-10-10 Brazeway, Inc. Fin enhancements for low Reynolds number airflow
US10578374B2 (en) * 2016-08-31 2020-03-03 Brazeway, Inc. Fin enhancements for low Reynolds number airflow
JP6972158B2 (en) * 2017-10-20 2021-11-24 三菱電機株式会社 Dehumidifier
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CN112236036A (en) * 2018-05-20 2021-01-15 阿贝亚技术有限责任公司 Low temperature storage unit

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