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CN107843029A - Indoor heat exchanger, indoor apparatus of air conditioner and air conditioner - Google Patents

Indoor heat exchanger, indoor apparatus of air conditioner and air conditioner Download PDF

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Publication number
CN107843029A
CN107843029A CN201711177728.1A CN201711177728A CN107843029A CN 107843029 A CN107843029 A CN 107843029A CN 201711177728 A CN201711177728 A CN 201711177728A CN 107843029 A CN107843029 A CN 107843029A
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CN
China
Prior art keywords
heat exchanger
exchanger tube
heat
heat exchange
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.)
Granted
Application number
CN201711177728.1A
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Chinese (zh)
Other versions
CN107843029B (en
Inventor
赵夫峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Air Conditioning Equipment Co Ltd
Guangzhou Hualing Refrigeration Equipment Co Ltd
Original Assignee
Guangdong Midea Refrigeration Equipment Co Ltd
Guangzhou Hualing Refrigeration Equipment 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 Guangdong Midea Refrigeration Equipment Co Ltd, Guangzhou Hualing Refrigeration Equipment Co Ltd filed Critical Guangdong Midea Refrigeration Equipment Co Ltd
Priority to CN201711177728.1A priority Critical patent/CN107843029B/en
Publication of CN107843029A publication Critical patent/CN107843029A/en
Application granted granted Critical
Publication of CN107843029B publication Critical patent/CN107843029B/en
Active legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • 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
    • F24F1/0007Indoor units, e.g. fan coil units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

The present invention discloses a kind of indoor heat exchanger, indoor apparatus of air conditioner and air conditioner, wherein, indoor heat exchanger includes a plurality of first heat exchanger tube being arranged side by side and a plurality of second heat exchanger tube, and the caliber of the first heat exchanger tube is more than the caliber of the second heat exchanger tube;A plurality of first heat exchanger tube is sequentially connected in series one first set of heat exchange tubes;A plurality of second heat exchanger tube is divided into multiple second set of heat exchange tubes, and all second heat exchanger tubes in every one second set of heat exchange tubes are sequentially connected in series;Multiple second set of heat exchange tubes are connected in parallel in the first set of heat exchange tubes by respective second heat exchanger tube.Technical solution of the present invention rationally sets the annexation of the heat exchanger tube of different tube diameters by the way that the heat exchanger tube of indoor heat exchanger to be set to different calibers, so as to be integrally improved the heat exchange efficiency of indoor heat exchanger.

Description

Indoor heat exchanger, indoor apparatus of air conditioner and air conditioner
Technical field
The present invention relates to field of air conditioning, more particularly to a kind of indoor heat exchanger, indoor apparatus of air conditioner and air conditioner.
Background technology
The indoor set of detachable air conditioner uses arc evaporator, can coordinate very well with air channel, the heat exchange property of air conditioner More folding evaporator has a distinct increment, while assembly technology is also relatively easy, and more and more enterprises use arc indoors on machine Evaporator.Existing indoor heat exchanger, caliber is single, and the physical characteristic and the wind speed profile that are not bound with refrigerant are reasonably entered The arrangement and connection of row heat exchanger tube, the heat exchange efficiency of indoor heat exchanger are low.
The content of the invention
The main object of the present invention is to propose a kind of indoor heat exchanger, it is intended to improves the heat exchange efficiency of indoor heat exchanger.
To achieve the above object, a kind of indoor heat exchanger of present invention proposition, the indoor heat exchanger are more including being arranged side by side The heat exchanger tube of bar first and a plurality of second heat exchanger tube, the caliber of first heat exchanger tube are more than the caliber of second heat exchanger tube;
A plurality of first heat exchanger tube is sequentially connected in series one first set of heat exchange tubes;A plurality of second heat exchanger tube is divided into more Individual second set of heat exchange tubes, all second heat exchanger tubes in each second set of heat exchange tubes are sequentially connected in series;Multiple described Two set of heat exchange tubes are connected in parallel in first set of heat exchange tubes by respective second heat exchanger tube;
The first heat exchanger tube away from second set of heat exchange tubes is provided with the first refrigerant mouth, institute in first set of heat exchange tubes State the second set of heat exchange tubes and be provided with the second refrigerant mouth away from first set of heat exchange tubes.
Preferably, the indoor heat exchanger also includes a plurality of 3rd heat exchanger tube, and the caliber of the 3rd heat exchanger tube is more than institute State the caliber of the second heat exchanger tube;After each second set of heat exchange tubes is sequentially connected in series by a plurality of second heat exchanger tube, then successively At least 1 the 3rd heat exchanger tube of series connection is connected and formed, and the second refrigerant mouth is arranged on remote in second set of heat exchange tubes On 3rd heat exchanger tube of second heat exchanger tube.
Preferably, a plurality of first heat exchanger tube, a plurality of second heat exchanger tube and a plurality of 3rd heat exchanger tube arrange inwardly outside certainly Arranged into heat exchanger tube;First heat exchanger tube for being provided with the first refrigerant mouth is located at the outermost row of the indoor heat exchanger;And The 3rd heat exchanger tube for being provided with the second refrigerant mouth is located at the most interior row of the indoor heat exchanger.
Preferably, the caliber of first heat exchanger tube is identical with the caliber of the 3rd heat exchanger tube.
Preferably, two adjacent first heat exchanger tubes the distance between scope, and adjacent two it is described 3rd heat exchange The distance between center line of pipe scope is 17mm~21mm;
Adjacent first heat exchanger tube and second heat exchanger tube the distance between scope, and the adjacent the described 3rd Heat exchanger tube and second heat exchanger tube the distance between scope be 14mm~18mm;
Two adjacent second heat exchanger tubes the distance between scope be 14mm~18mm.
Preferably, the caliber ratio range of first heat exchanger tube and second heat exchanger tube is 1.1~1.4.
Preferably, the indoor heat exchanger includes the vertically preceding heat exchanging part to extension and from the upper end of the preceding heat exchanging part The rear heat exchanging part to extend back, the upper end of the preceding heat exchanging part and the front end of the rear heat exchanging part are connected.
Preferably, first set of heat exchange tubes be arranged at the upper end of the preceding heat exchanging part outermost row, and/or it is described after change The outermost row of the front end in hot portion.
The present invention also proposes a kind of indoor apparatus of air conditioner, including indoor heat exchanger, and the indoor heat exchanger includes being arranged side by side A plurality of first heat exchanger tube and a plurality of second heat exchanger tube, the caliber of first heat exchanger tube be more than the pipe of second heat exchanger tube Footpath;
A plurality of first heat exchanger tube is sequentially connected in series one first set of heat exchange tubes;A plurality of second heat exchanger tube is divided into more Individual second set of heat exchange tubes, all second heat exchanger tubes in each second set of heat exchange tubes are sequentially connected in series;Multiple described Two set of heat exchange tubes are connected in parallel in first set of heat exchange tubes by respective second heat exchanger tube;
The first heat exchanger tube away from second set of heat exchange tubes is provided with the first refrigerant mouth, institute in first set of heat exchange tubes State the second set of heat exchange tubes and be provided with the second refrigerant mouth away from first set of heat exchange tubes.
The present invention also proposes a kind of air conditioner, it is characterised in that including air-conditioner outdoor unit and indoor apparatus of air conditioner, the air-conditioning Indoor set includes indoor heat exchanger, and the indoor heat exchanger includes a plurality of first heat exchanger tube being arranged side by side and a plurality of second heat exchange Pipe, the caliber of first heat exchanger tube are more than the caliber of second heat exchanger tube;
A plurality of first heat exchanger tube is sequentially connected in series one first set of heat exchange tubes;A plurality of second heat exchanger tube is divided into more Individual second set of heat exchange tubes, all second heat exchanger tubes in each second set of heat exchange tubes are sequentially connected in series;Multiple described Two set of heat exchange tubes are connected in parallel in first set of heat exchange tubes by respective second heat exchanger tube;
The first heat exchanger tube away from second set of heat exchange tubes is provided with the first refrigerant mouth, institute in first set of heat exchange tubes State the second set of heat exchange tubes and be provided with the second refrigerant mouth away from first set of heat exchange tubes.
Technical solution of the present invention by the first heat exchanger tube for being arranged to there is Large Diameter Pipeline by the heat exchanger tube of indoor heat exchanger and The second heat exchanger tube with pipe with small pipe diameter, multiple first set of heat exchange tubes exchange heat into one first set of heat exchange tubes, multiple described second Pipe is divided into multiple second set of heat exchange tubes, and second set of heat exchange tubes is connected in parallel in first set of heat exchange tubes;The of Large Diameter Pipeline One heat exchanger tube increases refrigerant and passes through tube wall and the heat exchange area of air heat-exchange;The parallel connection of multiple second set of heat exchange tubes, can be Multiple parallel refrigerant flows are formed after one set of heat exchange tubes, in this way, the refrigerant that may be such that from the outflow of the first set of heat exchange tubes can divide Open and simultaneously flow through multiple parallel refrigerant flows, so that the refrigerant of same cold degree can be simultaneously by multiple refrigerant flows Heat exchanger tube exchanged heat, increase the heat exchange efficiency of same cold degree refrigerant, and then increase the heat exchange effect of whole indoor heat exchanger Rate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation that the present invention is indoor heat exchanger first embodiment;
Fig. 2 is the structural representation that the present invention is indoor heat exchanger second embodiment.
Drawing reference numeral explanation:
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...), Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do Description be only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy Sign.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy Based on enough realizations, the knot of this technical scheme is will be understood that when the combination appearance of technical scheme is conflicting or can not realize Conjunction is not present, also not within the protection domain of application claims.
The present invention proposes a kind of indoor heat exchanger, indoor apparatus of air conditioner and air conditioner.The air conditioner includes air-conditioner outdoor unit With the indoor apparatus of air conditioner.The indoor apparatus of air conditioner changes including cross flow fan, air inlet, wind deflector, air outlet and the interior Hot device etc..Room air first enters indoor apparatus of air conditioner by air inlet, then enters cross flow fan by indoor heat exchanger, finally flows through Wind deflector, flowed out from air outlet.
In the first embodiment of the present invention, as shown in figure 1, the indoor heat exchanger 100 is including multiple fins 120 and side by side A plurality of first heat exchanger tube 111 and a plurality of second heat exchanger tube 112 set, a plurality of first heat exchanger tube 111 and a plurality of second is changed Heat pipe 112 is arranged on the fin 120, and the caliber of first heat exchanger tube 111 is more than the pipe of second heat exchanger tube 112 Footpath.It should be noted that first heat exchanger tube 111, the second heat exchanger tube 112 and the 3rd heat exchanger tube 113 described below, Refer to U-typed pipe, rather than the straight length of U " type pipes.
A plurality of first heat exchanger tube 111 is sequentially connected in series one first set of heat exchange tubes 10;Second heat exchanger tube 112 divides For multiple second set of heat exchange tubes 20, all second heat exchanger tubes 112 in each second set of heat exchange tubes 20 are sequentially connected in series. Multiple second set of heat exchange tubes 20 are connected in parallel in first set of heat exchange tubes 10 by respective second heat exchanger tube 112.
It is cold to be provided with first for the first heat exchanger tube 111 away from second set of heat exchange tubes 20 in first set of heat exchange tubes 10 Matchmaker's mouth 101, the second refrigerant mouth 201 away from first set of heat exchange tubes 10 is provided with second set of heat exchange tubes 20.
Specifically, in the present embodiment, the indoor heat exchanger 100 also includes the 3rd heat exchanger tube 113, the 3rd heat exchange The caliber of pipe 113 is more than the caliber of second heat exchanger tube 112.Each second set of heat exchange tubes 20 is changed by a plurality of described second After heat pipe 112 is sequentially connected in series, then it is sequentially connected in series at least 1 the 3rd heat exchanger tube 113 and is formed.More specifically, described second changes Heat pipe heat 20 is provided with 3, and each second heat exchange group 20 includes 4 the second heat exchanger tubes 112 and 1 the 3rd heat exchanger tube 113, After 8 second heat exchanger tubes 112 are sequentially connected in series, then it is sequentially connected in series with 2 the 3rd heat exchanger tubes 113.First heat exchange Pipe group 10 is connected with a branch pipe of a four-way pipe 114, other 3 branch pipes and 3 second set of heat exchange tubes of four-way pipe 114 20 connections, so as to be connected again with first set of heat exchange tubes 10 after realizing multiple parallel connections of second set of heat exchange tubes 20.Described Two refrigerant mouths 201 are arranged in second set of heat exchange tubes 20 on the 3rd heat exchanger tube 113 away from second heat exchanger tube 112. The first refrigerant mouth 101 and the second refrigerant mouth 201 connect the four-way valve of air conditioner by refrigerant pipe.
In cooling condition, direction is refrigerant flow direction as shown by the arrows in Figure 1, and refrigerant is in liquid form by described One refrigerant mouth 101 enter first set of heat exchange tubes 10, due to the first heat exchanger tube 111 caliber than the second heat exchanger tube 112 pipe Footpath is big, and refrigerant is also big by the heat exchange area of tube wall and air heat-exchange, improves heat exchange of the refrigerant by tube wall and air heat-exchange Efficiency.In addition, the first heat exchanger tube 111 of Large Diameter Pipeline can allow substantial amounts of refrigerant to flow into indoor heat exchanger 100, it is cold so as to ensure After matchmaker divides multiple refrigerant flows to enter multiple second set of heat exchange tubes 20, the cold medium flux in the second set of heat exchange tubes 20 is sufficient.Due to Multiple second set of heat exchange tubes 20 so that the refrigerant of same cold degree can be changed by the heat exchanger tube on multiple refrigerant flows simultaneously Heat, increases the heat exchange efficiency of same cold degree refrigerant, and then increases the heat exchange efficiency of whole indoor heat exchanger 100.Finally, refrigerant The 3rd heat exchanger tube 113 of the second set of heat exchange tubes 20 is flowed through, is flowed out from the second refrigerant mouth 201.Now refrigerant temperature is higher, heat-energy transducer Power is weak, increases the caliber of the 3rd heat exchanger tube 113, so as to increase refrigerant by tube wall and the heat exchange area of air heat-exchange, improves cold Matchmaker passes through tube wall and the heat exchange efficiency of air heat-exchange.
In heating condition, indoor heat exchanger 100 also has similar beneficial effect in the present embodiment, therefore no longer superfluous State.
Technical solution of the present invention passes through the first heat exchanger tube for being arranged to have Large Diameter Pipeline by the heat exchanger tube of indoor heat exchanger 100 111 and the second heat exchanger tube 112 with pipe with small pipe diameter, multiple first heat exchanger tubes 111 form one first set of heat exchange tubes 10, multiple Second heat exchanger tube 112 is divided into multiple second set of heat exchange tubes 20, and second set of heat exchange tubes 20 is connected in parallel in described first Set of heat exchange tubes 10;First heat exchanger tube 111 of Large Diameter Pipeline increases refrigerant and passes through tube wall and the heat exchange area of air heat-exchange;Multiple The parallel connection of two set of heat exchange tubes 20, multiple parallel refrigerant flows can be formed after the first set of heat exchange tubes 10, in this way, may be such that from The refrigerant of first set of heat exchange tubes 10 outflow can separate and simultaneously flow through multiple parallel refrigerant flows, so that same cold degree Refrigerant can be exchanged heat by the heat exchanger tube on multiple refrigerant flows simultaneously, increased the heat exchange efficiency of same cold degree refrigerant, entered And increase the heat exchange efficiency of whole indoor heat exchanger 100.
In the present embodiment, as shown in figure 1, a plurality of first heat exchanger tube 111, a plurality of second heat exchanger tube 112 and a plurality of 3rd heat exchanger tube 113 is arranged in multiple rows of heat exchanger tube row inwardly from outer.Specifically, in the present embodiment, the heat exchanger tube row is outside 2 rows are arranged with inwardly.In other embodiment, the heat exchanger tube row can also set 3 rows, or 4 rows etc..Assembling for convenience During air conditioner, refrigerant pipe and the first refrigerant mouth 101 and the connection of the second refrigerant mouth 201, the first refrigerant mouth is provided with 101 first heat exchanger tube 111 is located at the outermost row of the indoor heat exchanger 100, and is provided with the second refrigerant mouth 201 The 3rd heat exchanger tube 113 be located at the indoor heat exchanger 100 outermost row.Specifically, in the present embodiment, described first Heat exchanger tube 111 is provided with 2, and the 3rd heat exchanger tube 113 is provided with 3 articles, and 2 first heat exchanger tubes 111 are arranged at institute The outermost row of indoor heat exchanger 100 is stated, 3 articles of the 3rd heat exchanger tubes 113 are arranged at the most interior of the indoor heat exchanger 100 Row.Further, the connection between the first set of heat exchange tubes 10 and the second set of heat exchange tubes 20 for convenience, with the four-way pipe 114 Branch pipe connection the first heat exchanger tube 111 be arranged on the indoor heat exchanger 100 outermost row, the branch with the four-way pipe 114 Second heat exchanger tube 112 of pipe connection is arranged on the outermost row of the indoor heat exchanger 100.
In the present embodiment, the caliber of first heat exchanger tube 111 is identical with the caliber of the 3rd heat exchanger tube 113.By It is identical with the caliber of the 3rd heat exchanger tube 113 in the caliber of first heat exchanger tube 111, manufacturing the indoor heat exchanger When 100, it is only necessary to produce the heat exchanger tube of two kinds of standard calibers, the heat exchanger tube without producing three kinds of calibers, so as to improve Production efficiency, production cost is saved.It is understood that with other embodiment, the caliber of first heat exchanger tube 111 with The caliber of 3rd heat exchanger tube 113 can also differ, and need to only meet the caliber and the described 3rd of first heat exchanger tube 111 The caliber of heat exchanger tube 113 is all higher than the caliber of second heat exchanger tube.
In order to improve the heat exchange efficiency of indoor heat exchanger 100 to greatest extent, the caliber of corresponding different heat exchanger tube, it is necessary to Spacing between reasonable design heat exchanger tube.In the present embodiment, first heat exchanger tube 111 and the 3rd heat exchanger tube 113 Caliber be 7mm, the caliber of second heat exchanger tube 112 is 5mm.Accordingly, adjacent two first heat exchanger tubes 111 The distance between scope, and adjacent two the 3rd heat exchanger tubes 113 the distance between scope be 17mm~21mm;It is adjacent First heat exchanger tube 111 and second heat exchanger tube 112 the distance between scope, and adjacent the 3rd heat exchanger tube 113 and second heat exchanger tube 112 the distance between scope be 14mm~18mm;Two adjacent second heat exchanger tubes 112 the distance between scope be 14mm~18mm.It is arranged such, the heat exchange efficiency of indoor heat exchanger 100 is high.
In addition, the ratio of the caliber of various heat exchange pipe also influences whether the heat transfer effect of indoor heat exchanger.In the present embodiment In, when the caliber ratio range of first heat exchanger tube 111 and second heat exchanger tube 112 is 1.1~1.4, indoor heat exchange The heat transfer effect of device 100 is preferable.
In the present embodiment, the indoor heat exchanger 100 includes the vertically preceding heat exchanging part 200 to extension and before described The rear heat exchanging part 300 that the upper end of heat exchanging part 200 extends back, wherein, the preceding heat exchanging part 200 close to air conditioner front panel, Heat exchanging part 300 deviates from the front panel of air conditioner after described.Before the upper end of the preceding heat exchanging part 200 and the rear heat exchanging part 300 End is connected.Indoor heat exchanger 100 is divided for preceding heat exchanging part 200 and rear heat exchanging part 300, is assembling the indoor heat exchanger When 100, the angle of preceding heat exchanging part 200 and rear heat exchanging part 300 can be suitably adjusted, to adapt to the shape of cross flow fan, with air channel Preferably coordinate.In order to further adapt to the shape of cross flow fan, preferably coordinate with air channel, it is preferable that exchanged heat before described Portion 200 is set in the arc towards lordosis, and/or the arc that the rear heat exchanging part 300 is protruding upward is set.
In the present embodiment, first set of heat exchange tubes 10 is arranged at the outermost row of the upper end of the preceding heat exchanging part 200, And/or the outermost row of the front end of the rear heat exchanging part 300.Specifically, in the present embodiment, as shown in figure 1,2 described first The outermost row of wherein 1 upper end for being arranged on the preceding heat exchanging part 200 in heat exchanger tube 111, remaining 1 setting are changed in the rear The outermost row of the front end in hot portion 300.Because the heat exchanging part 300 after the outermost of the upper end of the preceding heat exchanging part 200 is arranged and be described The outermost row of front end, the wind speed highest of the wind flowed through, the preceding heat exchanging part 200 is arranged at by first set of heat exchange tubes 10 The outermost row of upper end, and/or the outermost row of the front end of the rear heat exchanging part 300, under high wind speed, first set of heat exchange tubes 10 Heat exchange efficiency increase.Further, since the caliber of the first heat exchanger tube 113 is larger, heat exchanger tube can be increased to flowing through wind herein Resistance, allow the wind for flowing through each several part of indoor heat exchanger 100 wind speed evenly.
As shown in Fig. 2 it is the second embodiment of the present invention.The structure and first of the indoor heat exchanger 100 of second embodiment The structure of indoor heat exchanger 100 is substantially the same in embodiment, and the main distinction of second embodiment and first embodiment is, is located at In second set of heat exchange tubes 20 of the preceding lower end of heat exchanging part 200, the arrangement position of the second heat exchanger tube 112 and the 3rd heat exchanger tube 113 is It is different.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in the scope of patent protection of the present invention.

Claims (10)

  1. A kind of 1. indoor heat exchanger, it is characterised in that including a plurality of first heat exchanger tube being arranged side by side and a plurality of second heat exchanger tube, The caliber of first heat exchanger tube is more than the caliber of second heat exchanger tube;
    A plurality of first heat exchanger tube is sequentially connected in series one first set of heat exchange tubes;A plurality of second heat exchanger tube is divided into multiple Two set of heat exchange tubes, all second heat exchanger tubes in each second set of heat exchange tubes are sequentially connected in series;Multiple described second change Heat pipe heat is connected in parallel in first set of heat exchange tubes by respective second heat exchanger tube;
    The first heat exchanger tube away from second set of heat exchange tubes is provided with the first refrigerant mouth in first set of heat exchange tubes, and described the Two set of heat exchange tubes are provided with the second refrigerant mouth away from first set of heat exchange tubes.
  2. 2. indoor heat exchanger as claimed in claim 1, it is characterised in that the indoor heat exchanger also includes a plurality of 3rd heat exchange Pipe, the caliber of the 3rd heat exchanger tube are more than the caliber of second heat exchanger tube;Each second set of heat exchange tubes is by a plurality of institute State after the second heat exchanger tube is sequentially connected in series, then be sequentially connected in series at least 1 the 3rd heat exchanger tube series connection and formed, second refrigerant Mouth is arranged in second set of heat exchange tubes on the 3rd heat exchanger tube away from second heat exchanger tube.
  3. 3. indoor heat exchanger as claimed in claim 2, it is characterised in that a plurality of first heat exchanger tube, a plurality of second heat exchange Pipe and a plurality of 3rd heat exchanger tube are arranged in heat exchanger tube row inwardly from outer;It is provided with first heat exchanger tube of the first refrigerant mouth Outermost positioned at the indoor heat exchanger is arranged;And it is provided with the 3rd heat exchanger tube of the second refrigerant mouth and is located at the interior The most interior row of heat exchanger.
  4. 4. indoor heat exchanger as claimed in claim 2, it is characterised in that the caliber of first heat exchanger tube changes with the described 3rd The caliber of heat pipe is identical.
  5. 5. indoor heat exchanger as claimed in claim 4, it is characterised in that between two adjacent first heat exchanger tubes away from From scope, and adjacent two the 3rd heat exchanger tubes the distance between scope be 17mm~21mm;
    Adjacent first heat exchanger tube and second heat exchanger tube the distance between scope, and adjacent the 3rd heat exchange Pipe and second heat exchanger tube the distance between scope be 14mm~18mm;
    Two adjacent second heat exchanger tubes the distance between scope be 14mm~18mm.
  6. 6. indoor heat exchanger as claimed in claim 1, it is characterised in that first heat exchanger tube and second heat exchanger tube Caliber ratio range is 1.1~1.4.
  7. 7. the indoor heat exchanger as described in claim any one of 1-6, it is characterised in that the indoor heat exchanger is included vertically Preceding heat exchanging part to extension and the rear heat exchanging part to be extended back from the upper end of the preceding heat exchanging part, the upper end of the preceding heat exchanging part with The front end of heat exchanging part is connected after described.
  8. 8. indoor heat exchanger as claimed in claim 7, it is characterised in that first set of heat exchange tubes is arranged at the preceding heat exchange The outermost row of the upper end in portion, and/or the outermost row of the front end of the rear heat exchanging part.
  9. 9. a kind of indoor apparatus of air conditioner, it is characterised in that including the indoor heat exchanger described in claim 1 to 8 any one.
  10. 10. a kind of air conditioner, it is characterised in that including the indoor apparatus of air conditioner described in air-conditioner outdoor unit and claim 9.
CN201711177728.1A 2017-11-22 2017-11-22 Indoor heat exchanger, air conditioner indoor unit and air conditioner Active CN107843029B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711177728.1A CN107843029B (en) 2017-11-22 2017-11-22 Indoor heat exchanger, air conditioner indoor unit and air conditioner

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Application Number Priority Date Filing Date Title
CN201711177728.1A CN107843029B (en) 2017-11-22 2017-11-22 Indoor heat exchanger, air conditioner indoor unit and air conditioner

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CN107843029A true CN107843029A (en) 2018-03-27
CN107843029B CN107843029B (en) 2024-04-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269071A (en) * 2018-09-03 2019-01-25 广东美的制冷设备有限公司 Heat exchanger assembly and air conditioner indoor unit
WO2020047927A1 (en) * 2018-09-03 2020-03-12 广东美的制冷设备有限公司 Heat exchanger assembly and air conditioner indoor unit

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CN106595020A (en) * 2016-11-29 2017-04-26 美的集团武汉制冷设备有限公司 Heat exchange fin, multi-fold heat exchanger and air conditioner
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JP2006162183A (en) * 2004-12-09 2006-06-22 Matsushita Electric Ind Co Ltd Heat exchanger with fin
CN204555271U (en) * 2015-01-26 2015-08-12 广东美的制冷设备有限公司 Arc heat exchanger and indoor apparatus of air conditioner
CN205690760U (en) * 2016-06-01 2016-11-16 广东美的制冷设备有限公司 Air-conditioning heat exchanger and wall-hanging air conditioner indoor unit
CN106403394A (en) * 2016-11-29 2017-02-15 美的集团武汉制冷设备有限公司 Pipe of evaporator, evaporator and air conditioner
CN106595020A (en) * 2016-11-29 2017-04-26 美的集团武汉制冷设备有限公司 Heat exchange fin, multi-fold heat exchanger and air conditioner
CN206247712U (en) * 2016-11-29 2017-06-13 美的集团武汉制冷设备有限公司 Multi-bended heat exchanger, indoor set and air-conditioner
CN207438860U (en) * 2017-11-22 2018-06-01 广东美的制冷设备有限公司 Indoor heat exchanger, air conditioner indoor unit and air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269071A (en) * 2018-09-03 2019-01-25 广东美的制冷设备有限公司 Heat exchanger assembly and air conditioner indoor unit
WO2020047927A1 (en) * 2018-09-03 2020-03-12 广东美的制冷设备有限公司 Heat exchanger assembly and air conditioner indoor unit
CN109269071B (en) * 2018-09-03 2020-04-21 广东美的制冷设备有限公司 Machine in heat exchanger subassembly and air conditioning

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