CN207438947U - Indoor heat exchanger, air conditioner indoor unit and air conditioner - Google Patents

Indoor heat exchanger, air conditioner indoor unit and air conditioner Download PDF

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Publication number
CN207438947U
CN207438947U CN201721587118.4U CN201721587118U CN207438947U CN 207438947 U CN207438947 U CN 207438947U CN 201721587118 U CN201721587118 U CN 201721587118U CN 207438947 U CN207438947 U CN 207438947U
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CN
China
Prior art keywords
pore
heat exchanger
adjacent
wind
shielding structure
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Withdrawn - After Issue
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CN201721587118.4U
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Chinese (zh)
Inventor
赵夫峰
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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
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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 CN201721587118.4U priority Critical patent/CN207438947U/en
Application granted granted Critical
Publication of CN207438947U publication Critical patent/CN207438947U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of indoor heat exchanger, air conditioner indoor unit and air conditioner, wherein, which includes mutually parallel multiple fins, and fin is equipped with the first pore of multiple Large Diameter Pipelines and the second pore of multiple pipe with small pipe diameter;One first wind shielding structure is equipped between two pores of arbitrary neighborhood, the area that keeps out the wind of the first wind shielding structure between area and adjacent the first pore and the second pore that keeps out the wind of the first wind shielding structure is all higher than the area that keeps out the wind of the first wind shielding structure between adjacent two second pore between adjacent two first pore.The technical solution of the utility model is by making the area that keeps out the wind of the first wind shielding structure between area and adjacent the first pore and the second pore that keeps out the wind of the first wind shielding structure between adjacent two first pore be all higher than the area that keeps out the wind of the first wind shielding structure between adjacent two second pore, better flow-disturbing is carried out to the wind flowed through, destroy the thermal boundary layer of air-flow, so as to which air-flow be promoted to exchange heat with indoor heat exchanger, the heat exchange efficiency of indoor heat exchanger is improved.

Description

Indoor heat exchanger, air conditioner indoor unit and air conditioner
Technical field
The utility model is related to field of air conditioning, more particularly to a kind of indoor heat exchanger, air conditioner indoor unit and air conditioner.
Background technology
Split air conditioner generally comprises air conditioner indoor unit and air-conditioner outdoor unit, and air conditioner indoor unit includes shell and sets outer Indoor heat exchanger and cross flow fan in shell etc., indoor heat exchanger are set around cross flow fan.In order to effectively improve indoor heat exchange The heat exchange efficiency of device, it will usually wind shielding structure be set to form flow-disturbing to air-flow on the fin of heat exchanger indoors.Existing In air conditioner indoor unit, interior is not caused because usually setting wind shielding structure according to specific location of heat exchange tube spacing and fin etc. The heat exchange efficiency of heat exchanger is low.
Utility model content
The main purpose of the utility model is to propose a kind of indoor heat exchanger, it is intended to improve the entirety of the indoor heat exchanger Heat exchange efficiency.
To achieve the above object, the utility model proposes a kind of indoor heat exchanger, for air conditioner indoor unit, the interior heat exchange Device includes mutually parallel multiple fins, and the fin is equipped with multiple the first pores with the first aperture and multiple with the Second pore in two apertures, first aperture are more than second aperture;On the finned length extending direction, adjacent two The spacing between spacing and adjacent first pore and second pore between first pore is all higher than adjacent Spacing between two second pores;
On the finned length extending direction, one first wind shielding structure, and phase are equipped between two pores of arbitrary neighborhood Keep out the wind area and adjacent first pore and second pore of first wind shielding structure between adjacent two first pores Between the area that keeps out the wind of the first wind shielding structure be all higher than the area that keeps out the wind of the first wind shielding structure between adjacent two second pore.
Preferably, the first wind shielding structure between adjacent two first pores and adjacent first pore and institute The first wind shielding structure between the second pore is stated as window structure, the first wind shielding structure between adjacent two second pore is Bridge piece structure;Or
First wind shielding structure and adjacent first pore and second pore between adjacent two first pore Between the first wind shielding structure for the bridge piece structure with the first bridge piece width and the first bridge piece quantity, adjacent two described second Between pore the first wind shielding structure be the bridge piece structure with the second bridge piece width and the second bridge piece quantity, first bridge piece Width is more than the second bridge piece width and/or the first bridge piece quantity is more than the second bridge piece quantity;Or
The first wind shielding structure and adjacent first pore and the described second pipe between adjacent two first pore The first wind shielding structure between hole is the window structure with the first window height and the first window quantity, adjacent two described the The first wind shielding structure between two pores is the window structure with the second window height and the second window quantity, described first Window height is more than the second window height and/or the first window quantity is more than the second window quantity.
Preferably, there are the indoor heat exchanger multiple adaptations that correspond to be arranged in the first of multiple first pores Heat exchanger tube and multiple the second heat exchanger tubes for corresponding adaptation and being arranged in multiple second pores;A plurality of first heat exchange Pipe 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, each described All second heat exchanger tubes in second set of heat exchange tubes are sequentially connected in series;Multiple second set of heat exchange tubes are connected in parallel in described First set of heat exchange tubes;
First set of heat exchange tubes is equipped with the first refrigerant mouth away from second set of heat exchange tubes, second heat exchanger tube Group is equipped with the second refrigerant mouth away from first set of heat exchange tubes.
Preferably, multiple 3rd pores with the 3rd aperture are additionally provided on the fin, the 3rd aperture is more than institute State the second aperture;The indoor heat exchanger has multiple the 3rd heat exchange for corresponding adaptation and being arranged in multiple 3rd pores Pipe;
After each second set of heat exchange tubes is sequentially connected in series by a plurality of second heat exchanger tube, then it is sequentially connected in series at least one institute It states the 3rd heat exchanger tube and is formed, the second refrigerant mouth is arranged on the 3rd away from the second heat exchanger tube in second set of heat exchange tubes On heat exchanger tube.
Preferably, using the fin towards the one side of the wind turbine of the air conditioner indoor unit as inside, the fin from On outward direction, multiple pore rows are formed with;
Innermost institute is arranged on the 3rd pore worn for being provided with the 3rd heat exchanger tube of the second refrigerant mouth It states on pore row, heat insulation structural is provided on the outside of the 3rd pore, the heat insulation structural prolongs along the length direction of the fin Stretch setting.
Preferably, the heat insulation structural is bridge piece structure.
Preferably, the indoor heat exchanger includes preceding heat exchanging part and is changed after extending back from the upper end of the preceding heat exchanging part Hot portion, the fin include preceding fin corresponding with the preceding heat exchanging part and with it is described after heat exchanging part it is corresponding after fin, it is described The upper end of preceding fin and/or the front end of the rear fin are equipped with the second wind shielding structure.
Preferably, second wind shielding structure is window structure, and the opening of each window of second wind shielding structure is equal It sets outwardly.
The utility model also proposes a kind of air conditioner indoor unit, and including indoor heat exchanger, the indoor heat exchanger is included mutually simultaneously Capable multiple fins, the fin be equipped with multiple the first pores with the first aperture and it is multiple with the second aperture the Two pores, first aperture are more than second aperture;On the finned length extending direction, adjacent two first pipe The spacing between spacing and adjacent first pore and second pore between hole is all higher than adjacent two described second Spacing between pore;
On the finned length extending direction, one first wind shielding structure, and phase are equipped between two pores of arbitrary neighborhood Keep out the wind area and adjacent first pore and second pore of first wind shielding structure between adjacent two first pores Between the area that keeps out the wind of the first wind shielding structure be all higher than the area that keeps out the wind of the first wind shielding structure between adjacent two second pore.
The utility model also proposes a kind of air conditioner, including air-conditioner outdoor unit and air conditioner indoor unit, the air conditioner indoor unit Including indoor heat exchanger, the indoor heat exchanger includes mutually parallel multiple fins, and the fin has first equipped with multiple First pore in aperture and multiple second pores with the second aperture, first aperture are more than second aperture;Institute State on finned length extending direction, the spacing and adjacent first pore between adjacent two first pore with it is described Spacing between second pore is all higher than the spacing between adjacent two second pore;
On the finned length extending direction, one first wind shielding structure, and phase are equipped between two pores of arbitrary neighborhood Keep out the wind area and adjacent first pore and second pore of first wind shielding structure between adjacent two first pores Between the area that keeps out the wind of the first wind shielding structure be all higher than the area that keeps out the wind of the first wind shielding structure between adjacent two second pore.
The technical solution of the utility model between two pores of arbitrary neighborhood by setting one first wind shielding structure, and phase Keep out the wind area and adjacent first pore and second pore of first wind shielding structure between adjacent two first pores Between the area that keeps out the wind of the first wind shielding structure be all higher than the area that keeps out the wind of the first wind shielding structure between adjacent two second pore, It is carried out more to flowing through the wind between adjacent two first pore and between adjacent first pore and second pore Good flow-disturbing destroys the thermal boundary layer of air-flow, so as to which air-flow be promoted to exchange heat with indoor heat exchanger, improves the heat exchange of indoor heat exchanger Efficiency.Meanwhile first wind shielding structure is set, contribute to the wind speed for flowing through the wind of indoor heat exchanger uniform and moderate, into One step improves the heat exchange efficiency of indoor heat exchanger.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of the indoor heat exchanger of the utility model first embodiment;
Fig. 2 is the refrigerant flow schematic diagram of indoor heat exchanger in Fig. 1;
Fig. 3 is the structure diagram of the indoor heat exchanger of the utility model second embodiment
Fig. 4 is the structure diagram of a window structure;
Fig. 5 is diagrammatic cross-section of the window structure along A-A in Fig. 4;
Fig. 6 is the structure diagram of a bridge piece structure;
Fig. 7 is diagrammatic cross-section of Fig. 6 jackshafts chip architecture along B-B.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
It if, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can express or implicitly include at least one A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of indoor heat exchanger, air conditioner indoor unit and air conditioners.The air conditioner includes air conditioning chamber Outer machine and the air conditioner indoor unit.The air conditioner indoor unit includes shell, cross flow fan and described indoor heat exchanger etc., described to pass through Flow fan and the indoor heat exchanger are set in the shell.Air inlet and air outlet are provided on the shell, on air outlet Wind deflector is provided with, indoor air flow first enters air conditioner indoor unit by the air inlet, enters through-flow wind using indoor heat exchanger Machine finally flows through wind deflector, is flowed out from air outlet.
In this first embodiment using utility model, as shown in Figure 1, the indoor heat exchanger 100 is included mutually parallel Multiple fins, the fin be equipped with multiple the first pores 211 with the first aperture and it is multiple with the second aperture the Two pores 212, first aperture are more than second aperture.The indoor heat exchanger further includes and first pore 211 It is adapted to the first heat exchanger tube 111 worn and the second heat exchanger tube 112 worn is adapted to second pore 212.With the fin It is inside towards the one side of the cross flow fan, first pore 211 and second pore 212 are in direction from the outside to the core On, the multiple pore rows of arrangement form.On the finned length extending direction, between adjacent two first pore 211 between Away from and spacing between adjacent first pore 211 and second pore 212 be all higher than adjacent two second pore Spacing between 212.Since the caliber of the first heat exchanger tube 111 is big, exchange capability of heat is strong, therefore by adjacent two first pores The spacing between spacing and adjacent first pore 211 and second pore 212 between 211 is configured bigger, has Beneficial to the heat exchange property for giving full play to first heat exchanger tube 111.
On the finned length extending direction, one first wind shielding structure 213 is equipped between two pores of arbitrary neighborhood, and Between adjacent two first pore 211 first wind shielding structure 213 keep out the wind area and adjacent first pore 211 with The area that keeps out the wind of first wind shielding structure 213 is all higher than between adjacent two second pore 212 between second pore 212 The area that keeps out the wind of one wind shielding structure 213.Due to the spacing between adjacent two first pores 211 and adjacent described first Spacing between pore 211 and second pore 212 is all higher than the spacing between adjacent two second pore 212, flows through Between adjacent two first pore 211 and the air quantity between adjacent first pore 211 and second pore 212 Greatly, by keep out the wind area and adjacent first pore of the first wind shielding structure 213 between adjacent two first pores 211 The area that keeps out the wind of first wind shielding structure 213 is configured bigger between 211 and second pore 212, can to the wind that flows through into The better flow-disturbing of row destroys the thermal boundary layer of air-flow, so as to which air-flow be promoted to exchange heat with indoor heat exchanger 100, improves indoor heat exchange The heat exchange efficiency of device 100.Meanwhile first wind shielding structure 213 is set, help to flow through the wind of indoor heat exchanger 100 Wind speed is uniform and moderate, further improves the heat exchange efficiency of indoor heat exchanger 100.
The technical solution of the utility model by between two pores of arbitrary neighborhood set one first wind shielding structure 213, And between adjacent two first pore 211 first wind shielding structure 213 keep out the wind area and adjacent first pore 211 The area that keeps out the wind of first wind shielding structure 213 is all higher than between adjacent two second pore 212 between second pore 212 The area that keeps out the wind of first wind shielding structure 213, to flowing through first pipe between adjacent two first pore 211 and adjacent Wind between hole 211 and second pipe 212 carries out better flow-disturbing, destroys the thermal boundary layer of air-flow, so as to promote air-flow with Indoor heat exchanger 100 exchanges heat, and improves the heat exchange efficiency of indoor heat exchanger 100.Meanwhile first wind shielding structure 213 is set, have Help flow through that the wind speed of the wind of indoor heat exchanger 100 is uniform and moderate, further improve the heat exchange effect of indoor heat exchanger 100 Rate.
First wind shielding structure 213 can be bridge piece structure 214 and/or window structure 215.The bridge piece structure 214 And the window structure 215 is formed by the fin by punching technique, facilitates the shaping of first wind shielding structure 213, Material projection first gear wind structure 213 on fin need not be in addition expended simultaneously, save material and production cost.Such as Fig. 4 to Fig. 7 It is shown, each bridge piece of the bridge piece structure 214 include laterally being convexly equipped on the fin and spaced two support arm and Connect a linking arm of two support arms.Each window of the window structure 215 is plate-like, and its one end is consolidated with the fin Fixed connection, the other end are vacantly set.The extending direction of the bridge piece structure 214 and the window structure 215 is with entering the wind direction Vertically.It is understood that the extending direction of the bridge piece structure 214 and the window structure 215 is vertical with air inlet direction, Compared to the extending direction of the bridge piece structure 214 and the window structure 215 with air inlet direction in the situation at oblique angle, gear Wind area is big.It should be noted that the area that keeps out the wind described in the utility model, refer to corresponding wind shielding structure to air-flow etc. Effect stops area.For example, for window structure 215, window quantity is more and/or window cracks, and height is bigger, and keep out the wind area It is bigger;For bridge piece structure 214, bridge piece quantity is more and/or bridge piece height is bigger, and the area that keeps out the wind is bigger.And window with When the quantity of bridge piece is identical, it is generally the case that the area that keeps out the wind of window structure 215 is more than the area that keeps out the wind of bridge piece structure 214.
In order to realize keep out the wind area and the adjacent institute of the first wind shielding structure 213 between adjacent two first pore 211 The area that keeps out the wind for stating the first wind shielding structure 213 between the first pore 211 and second pore 212 is all higher than adjacent two described The area that keeps out the wind of first wind shielding structure 213 between two pores 212 keeps out the wind first between adjacent two first pores 211 The first wind shielding structure 213 between structure 213 and adjacent first pore 211 and second pore 212 is arranged to window Chip architecture 215, the first wind shielding structure 213 between adjacent two second pore 212 are arranged to bridge piece structure 214;It or will The first wind shielding structure 213 and adjacent first pore 211 and described second between adjacent two first pore 211 The first wind shielding structure 213 between pore 212 is arranged to the bridge piece structure with the first bridge piece width and the first bridge piece quantity 214, the first wind shielding structure 213 between adjacent two second pore 212 is arranged to have the second bridge piece width and the second bridge The bridge piece structure 214 of piece quantity, the first bridge piece width are more than the second bridge piece width and/or the first bridge piece quantity More than the second bridge piece quantity;Or by the first wind shielding structure 213 between adjacent two first pores 211 and adjacent First pore 211 and second pore 212 between the first wind shielding structure 213 be arranged to have the first window high The window structure 215 of degree and the first window quantity, the first wind shielding structure 213 between adjacent two second pore 212 are set To have the window structure 215 of the second window height and the second window quantity, the first window height is more than second window Piece height and/or the first window quantity are more than the second window quantity.
Further, since the exchange capability of heat of adjacent two first heat exchanger tube 111 is more than adjacent first heat exchanger tube 111 and the The exchange capability of heat of two heat exchanger tubes 112, therefore could be provided as, the spacing between adjacent two first pore 211 is more than adjacent Spacing between first pore 211 and second pore 212, the first gear between adjacent two first pore 211 Keep out the wind that area is more than between adjacent first pore 211 and second pore 212 the first of wind structure 213 is kept out the wind knot The area that keeps out the wind of structure 213.Keeping out the wind for spacing between pore and the first wind shielding structure 213 is so rationally set according to actual conditions Area is conducive to the whole heat exchange efficiency for improving indoor heat exchanger 100.
Specifically, in the present embodiment, as shown in Figure 1, the indoor heat exchanger 100 includes preceding heat exchanging part 200 and from institute State the rear heat exchanging part 300 that the upper end of preceding heat exchanging part 200 extends back, the upper end of the preceding heat exchanging part 200 and the rear heat exchanging part Structure is cut by abnormity and is connected in 300 front end.Preferably, after described heat exchanging part 300 from the upper end of the preceding heat exchanging part 200 backwards It is extended along obliquely downward, preferably to adapt to the shape of the cross flow fan of air conditioner indoor unit.The fin include with it is described The preceding corresponding preceding fin 400 of heat exchanging part 200 and rear fin 500 corresponding with the heat exchanging part 300 afterwards.On preceding fin 400, The first wind shielding structure 213 and adjacent first pore 211 and described second between adjacent two first pore 211 The first wind shielding structure 213 setting between pore 212 is window structure 215, and is arranged on adjacent two first pore 211 Between the window width of window structure 215 be more than window between adjacent first pore 211 and second pore 212 The window width of structure 215.More specifically, the window quantity model of the window structure 215 between adjacent two first pore 211 It encloses for 6-8, for the angle c that cracks of each window for 25-35 °, height of cracking h2 scopes are 0.6mm-0.8mm.Adjacent The window quantitative range of window structure between first pore 211 and second pore 212 is 6-8, each window The angle c that cracks for 20-30 °, height of cracking h2 scopes are 0.6mm-0.8mm.
On rear fin 500, the first wind shielding structure 213 between adjacent two first pore 211 is arranged to window knot Structure 215, the first wind shielding structure 213 between adjacent first pore 211 and second pore 212 are arranged to bridge piece knot Structure 214.More specifically, the window quantitative range of the window structure 215 between adjacent two first pore 211 is 6-8, often For the angle ɑ scopes of cracking of one window for 25-35 °, height of cracking h2 scopes are 0.6mm-0.8mm.
In the present embodiment, as shown in Fig. 2, a plurality of first heat exchanger tube 111 is sequentially connected in series one first heat exchanger tube Group 10;A plurality of second heat exchanger tube 112 divides for multiple second set of heat exchange tubes 20, the institute in each second set of heat exchange tubes 20 There is second heat exchanger tube 112 to be sequentially connected in series;Multiple second set of heat exchange tubes 20 are connected in parallel in first set of heat exchange tubes 10;First set of heat exchange tubes 10 is equipped with the first refrigerant mouth 101 away from second set of heat exchange tubes 20, second heat exchange Pipe group 20 is equipped with the second refrigerant mouth 201 away from first set of heat exchange tubes 10.The first refrigerant mouth 101 and described second Refrigerant mouth 201 is connected with external refrigerant flow.
Further, in the present embodiment, multiple 3rd pores 210 with the 3rd aperture are additionally provided on the fin, 3rd aperture is more than second aperture.It is multiple that there are the indoor heat exchanger 100 multiple one-to-one corresponding adaptations to be arranged in 3rd heat exchanger tube 113 of the 3rd pore 210;Each second set of heat exchange tubes 20 is by a plurality of second heat exchanger tube 112 It after being sequentially connected in series, then is sequentially connected in series at least 1 the 3rd heat exchanger tube 113 and is formed, the second refrigerant mouth 201 is arranged on institute It states in the second set of heat exchange tubes 20 on the 3rd heat exchanger tube 113 away from the second heat exchanger tube 112.It is understood that the 3rd pipe The aperture in hole 210 can be identical or different from the aperture of first pore 211, as long as meeting the aperture of the 3rd pore 210 More than the aperture of second pore 212.
It is appreciated that the parallel connection of multiple second set of heat exchange tubes 20, can form multiple parallel after the first set of heat exchange tubes 10 Refrigerant flow, in this way, may be such that the refrigerant flowed out from the first set of heat exchange tubes 10 that can separate and simultaneously flow through multiple parallel cold Matchmaker's flow path so that the refrigerant of same cold degree can be exchanged heat by the heat exchanger tube on multiple refrigerant flows simultaneously, increases The heat exchange efficiency of same cold degree refrigerant, and then increase the heat exchange efficiency of entire indoor heat exchanger.
In addition, in the present embodiment, with what is worn for being provided with the 3rd heat exchanger tube 113 of the second refrigerant mouth 201 3rd pore 210 is arranged on the innermost pore row, and the outside of the 3rd pore 210 is provided with heat insulation structural 216, institute Heat insulation structural 216 is stated to be extended along the length direction of the fin.Specifically, the heat insulation structural 216 is bridge piece structure 214。
In heating condition, gaseous refrigerant flows into the 3rd heat exchanger tube 113 by the second refrigerant mouth 201, at this time the gas of high temperature State refrigerant exchanges heat to the air-flow of inside higher temperature, and the gas flow temperature in outside is relatively low, then by the second outer heat exchanger tube 112 The relatively low two-phase refrigerant of temperature exchanges heat, and so as to fulfill the heat transfer effect of " for high temperature to high temperature, low temperature is to low temperature ", interior is changed The heat exchange efficiency of hot device 100 is high.The outside of 3rd pore 210 is provided with bridge piece structure 214, due to bridge piece structure 214 It is to be formed by fin punching, the position hollow out of the linking arm of bridge piece structure 214 is corresponded on fin, so as to play heat insulation, prevents Only the heat near the 3rd pore 210 is transmitted near the second pore 212, and makes the refrigerant temperature in the 3rd heat exchanger tube 113 It reduces, while the gas flow temperature rise near the second pore 212, the heat exchange that " for high temperature to high temperature, low temperature is to low temperature " is not achieved are imitated Fruit.
Based on the above technical solutions, further, the upper end of the preceding fin 400 and/or the rear fin 500 Front end be equipped with the second wind shielding structure 217.Specifically, in the present embodiment, the upper end of the preceding fin 400 and the rear fin 500 front end is equipped with the second wind shielding structure 217, and second wind shielding structure 217 is window structure 215, and described second keeps out the wind The opening of each window of structure 217 is set outwardly.In this way, it eliminates in the prior art in the upper end of the preceding fin 400 And the step of sponge is to keep out the wind is pasted in the front end of the rear fin 500, facilitates production.More specifically, second wind shielding structure 217 Window quantitative range be 2-4,30-45 ° of the angle c that cracks of each window.Obviously, second is reasonably set to keep out the wind knot The window quantity and window of structure 217 are cracked angle, can effectively make to blow to the upper end of preceding heat exchanging part 400 and rear heat exchanging part 500 Front end wind, forwards, backwards both sides disperse, make wind speed uniform and moderate, the whole heat exchange efficiency for improving indoor heat exchanger 100.
As shown in figure 3, the second embodiment for the utility model.The present embodiment and the structure substantially phase of first embodiment Together, the main distinction of the present embodiment and first embodiment is, on preceding fin 400 in innermost pore row, the 3rd pore The position of the 3rd pore 210 in 210 position and first embodiment, it is different.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of indoor heat exchanger, for air conditioner indoor unit, which is characterized in that including mutually parallel multiple fins, the fin It is big to be equipped with multiple the first pores and multiple the second pores with the second aperture, first aperture with the first aperture In second aperture;On the finned length extending direction, spacing between adjacent two first pore and adjacent Spacing between first pore and second pore is all higher than the spacing between adjacent two second pore;
On the finned length extending direction, one first wind shielding structure, and adjacent two are equipped between two pores of arbitrary neighborhood The first wind shielding structure keeps out the wind between area and adjacent first pore and second pore between first pore The area that keeps out the wind of first wind shielding structure is all higher than the area that keeps out the wind of the first wind shielding structure between adjacent two second pore.
2. indoor heat exchanger as described in claim 1, which is characterized in that first between adjacent two first pore keeps out the wind The first wind shielding structure between structure and adjacent first pore and second pore is window structure, adjacent two institute It is bridge piece structure to state the first wind shielding structure between the second pore;Or
Between adjacent two first pore between the first wind shielding structure and adjacent first pore and second pore The first wind shielding structure for the bridge piece structure with the first bridge piece width and the first bridge piece quantity, adjacent two second pore Between the first wind shielding structure be the bridge piece structure with the second bridge piece width and the second bridge piece quantity, the first bridge piece width It is more than the second bridge piece quantity more than the second bridge piece width and/or the first bridge piece quantity;Or
The first wind shielding structure and adjacent first pore between adjacent two first pore and second pore it Between the first wind shielding structure for the window structure with the first window height and the first window quantity, adjacent two second pipe The first wind shielding structure between hole is the window structure with the second window height and the second window quantity, first window Highly it is more than the second window height and/or the first window quantity is more than the second window quantity.
3. indoor heat exchanger as described in claim 1, which is characterized in that there is the indoor heat exchanger multiple correspond to fit Multiple second pores are arranged in the first heat exchanger tube and multiple adaptations that correspond for being arranged in multiple first pores 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 It is divided into multiple second set of heat exchange tubes, all second heat exchanger tubes in each second set of heat exchange tubes are sequentially connected in series;It is multiple Second set of heat exchange tubes is connected in parallel in first set of heat exchange tubes;
First set of heat exchange tubes is equipped with the first refrigerant mouth away from second set of heat exchange tubes, in second set of heat exchange tubes Equipped with the second refrigerant mouth away from first set of heat exchange tubes.
4. indoor heat exchanger as claimed in claim 3, which is characterized in that being additionally provided on the fin multiple has the 3rd aperture The 3rd pore, the 3rd aperture be more than second aperture;There are the indoor heat exchanger multiple adaptations that correspond to wear Arranged on the 3rd heat exchanger tube of multiple 3rd pores;
After each second set of heat exchange tubes is sequentially connected in series by a plurality of second heat exchanger tube, then it is sequentially connected in series at least one described Three heat exchanger tubes and formed, the second refrigerant mouth be arranged in second set of heat exchange tubes away from the second heat exchanger tube the 3rd heat exchange Guan Shang.
5. indoor heat exchanger as claimed in claim 4, which is characterized in that with the fin towards the wind of the air conditioner indoor unit The one side of machine is inside, and the fin is formed with multiple pore rows on direction from inside to outside;
The innermost pipe is arranged on the 3rd pore worn for being provided with the 3rd heat exchanger tube of the second refrigerant mouth On the row of hole, heat insulation structural is provided on the outside of the 3rd pore, the heat insulation structural is set along the length direction extension of the fin It puts.
6. indoor heat exchanger as claimed in claim 5, which is characterized in that the heat insulation structural is bridge piece structure.
7. such as claim 1-6 any one of them indoor heat exchangers, which is characterized in that the indoor heat exchanger includes preceding heat exchange Portion and the rear heat exchanging part to extend back from the upper end of the preceding heat exchanging part, the fin include it is corresponding with the preceding heat exchanging part before Fin and with it is described after heat exchanging part it is corresponding after fin, the upper end of the preceding fin and/or it is described after the front end of fin be equipped with the Two wind shielding structures.
8. indoor heat exchanger as claimed in claim 7, which is characterized in that second wind shielding structure is window structure, described The opening of each window of second wind shielding structure is set outwardly.
9. a kind of air conditioner indoor unit, which is characterized in that including the indoor heat exchanger described in claim 1 to 8 any one.
10. a kind of air conditioner, which is characterized in that including the air conditioner indoor unit described in air-conditioner outdoor unit and claim 9.
CN201721587118.4U 2017-11-22 2017-11-22 Indoor heat exchanger, air conditioner indoor unit and air conditioner Withdrawn - After Issue CN207438947U (en)

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CN201721587118.4U CN207438947U (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
CN201721587118.4U CN207438947U (en) 2017-11-22 2017-11-22 Indoor heat exchanger, air conditioner indoor unit and air conditioner

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CN201721587118.4U Withdrawn - After Issue CN207438947U (en) 2017-11-22 2017-11-22 Indoor heat exchanger, air conditioner indoor unit and air conditioner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860116A (en) * 2017-11-22 2018-03-30 广东美的制冷设备有限公司 Indoor heat exchanger, indoor apparatus of air conditioner and air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860116A (en) * 2017-11-22 2018-03-30 广东美的制冷设备有限公司 Indoor heat exchanger, indoor apparatus of air conditioner and air conditioner
CN107860116B (en) * 2017-11-22 2023-10-31 广东美的制冷设备有限公司 Indoor heat exchanger, air conditioner indoor unit and air conditioner

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