CN108759176A - New type heat exchanger, air conditioner indoor unit and air conditioner - Google Patents
New type heat exchanger, air conditioner indoor unit and air conditioner Download PDFInfo
- Publication number
- CN108759176A CN108759176A CN201810676605.0A CN201810676605A CN108759176A CN 108759176 A CN108759176 A CN 108759176A CN 201810676605 A CN201810676605 A CN 201810676605A CN 108759176 A CN108759176 A CN 108759176A
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- Prior art keywords
- heat exchanger
- new type
- fin
- air conditioner
- type heat
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- 239000003507 refrigerant Substances 0.000 claims abstract description 54
- 238000012546 transfer Methods 0.000 claims description 12
- 238000002474 experimental method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Landscapes
- 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 new type heat exchanger, air conditioner indoor unit and air conditioner, wherein, the new type heat exchanger includes multiple fins and a plurality of refrigerant pipe that is arranged through the multiple fin, the a plurality of refrigerant pipe is intervally arranged along the length direction of each fin, and is in single setting on wind-guiding direction；The caliber of the refrigerant pipe is 6.8mm~7.5mm, 15.7mm~24.4mm is divided between adjacent two refrigerant pipe, the width of the fin is 18mm~27.4mm.Technical solution of the present invention improves the whole efficiency of heat exchanger.
Description
Technical field
The present invention relates to air-conditioning products technical field, more particularly to a kind of new type heat exchanger, air conditioner indoor unit and air-conditioning
Device.
Background technology
Currently, generally dual-row heat exchanger is used to enhance heat exchanger to increase the heat exchange area of refrigerant in air conditioner indoor unit
Exchange capability of heat；However, dual-row heat exchanger is in application process, air-flow runs through heat exchanger, completes adequately heat with front-seat fin and hands over
After changing, the speed of air-flow reduces, and carries out heat exchange with heel row fin again at this time, heat transfer effect is poor, i.e. the energy of heel row heat exchanger
Power cannot be utilized adequately, and practical relevant test data shows that for dual-row heat exchanger, front row can contribute 70%
Heat exchange amount, heel row can only contribute 30% heat exchange amount, the efficiency of dual-row heat exchanger entirety relatively low.
Invention content
The main object of the present invention is to propose a kind of new type heat exchanger, it is intended to solve heat exchanger entirety efficiency in the prior art
Relatively low technical problem.
To achieve the above object, new type heat exchanger proposed by the present invention include multiple fins and run through the multiple fin
The a plurality of refrigerant pipe being arranged, a plurality of refrigerant pipe are intervally arranged along the length direction of each fin, and in wind-guiding direction
Upper is in single setting；The caliber of the refrigerant pipe is 6.8mm~7.5mm, be divided between adjacent two refrigerant pipe 15.7mm~
The width of 24.4mm, the fin are 18mm~27.4mm.
Preferably, 17.2mm~22.2mm is divided between adjacent two refrigerant pipes, the width of the fin is 19.8mm
~25.42mm.
Preferably, be divided into 18mm~21.1mm between adjacent two refrigerant pipes, the width of the fin be 20.96mm~
24.32mm。
Preferably, 18.7mm~20.5mm is divided between adjacent two refrigerant pipes, the width of the fin is 21.65mm
~23.73mm.
Preferably, the equivalent width of multiple fins.
Preferably, the interval of the arbitrary two adjacent refrigerant pipes is consistent.
Preferably, multiple fins are in the arc arrangement towards inlet side projection.
Preferably, the surface of the fin windward side is convexly equipped with heat transfer structure.
Preferably, the surface of the fin leeward side is equipped with wind-guiding ripple or is arranged in plain film shape.
The present invention also proposes a kind of air conditioner indoor unit, including new type heat exchanger, the new type heat exchanger include multiple fins with
And a plurality of refrigerant pipe through the setting of the multiple fin, a plurality of refrigerant pipe is along the length direction interval of each fin
Arrangement, and be in single setting on wind-guiding direction；The caliber of the refrigerant pipe is 6.8mm~7.5mm, and the width of the fin is
18mm~27.4mm is divided into 15.7mm~24.4mm between adjacent two refrigerant pipe.
Preferably, the air conditioner indoor unit is wall-hanging air conditioner indoor unit or cabinet-type air conditioner.
The present invention also proposes that a kind of air conditioner, including air-conditioner outdoor unit and air conditioner indoor unit, the air conditioner indoor unit include more
A fin and a plurality of refrigerant pipe being arranged through the multiple fin, length of a plurality of refrigerant pipe along each fin
Direction is intervally arranged, and is in single setting on wind-guiding direction；The caliber of the refrigerant pipe is 6.8mm~7.5mm, the fin
Width be 18mm~27.4mm, be divided into 15.7mm~24.4mm between adjacent two refrigerant pipe.
Technical scheme of the present invention introduces a new type heat exchanger, and the refrigerant pipe of the new type heat exchanger uses single setting, and
When the caliber of refrigerant pipe belongs in 6.8mm~7.5mm, the interval Pt of adjacent refrigerant pipe is made to be maintained at 15.7mm~24.4mm models
In enclosing, the width of fin is maintained within the scope of 18mm~27.4mm, you can one-row heat exchanger is made to reach the heat exchange of dual-row heat exchanger
Performance, it will be apparent that, which has used the smaller fin of area, less refrigerant pipe, and can reach and double heat exchange
Therefore the same heat exchange property of device considerably improves the efficiency of heat exchanger.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of air conditioner indoor unit of the present invention；
Fig. 2 is the fin of new type heat exchanger and the structural schematic diagram of refrigerant pipe in Fig. 1；
Fig. 3 is the curve synoptic diagram of comprehensive heat exchange property change rate and Pt；
Fig. 4 is the curve synoptic diagram of comprehensive heat exchange property change rate and Pl；
Fig. 5 is the structural schematic diagram of new type heat exchanger in Fig. 1；
Fig. 6 is the partial cutaway view schematic of new type heat exchanger in Fig. 5.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | New type heat exchanger | 11 | Fin |
| 111 | Heat transfer structure | 12 | Refrigerant pipe |
| 2 | Shell | 3 | Wind wheel component |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present 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 the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of new type heat exchanger and the air conditioner indoor unit with the new type heat exchanger, in the present embodiment,
The air conditioner indoor unit is wall-hanging air conditioner indoor unit or cabinet-type air conditioner, and following the description will specifically be described in detail by taking on-hook as an example.Ginseng
According to Fig. 1, which includes the shell 2 being installed on wall, the wind wheel component 3, Yi Jicheng in shell 2
Half-surrounded is set to the new type heat exchanger 1 of 3 upside of wind wheel component, and such as, but not limited to, which is tubular wine wheel.When
So, in other embodiment, which also can be specially other types, and the design is without being limited thereto.
In embodiments of the present invention, referring to figs. 1 to Fig. 4, which includes multiple fins 11 and runs through multiple
The a plurality of refrigerant pipe 12 that fin 11 is arranged, a plurality of refrigerant pipe 12 are intervally arranged along the length direction of each fin 11, and multiple
The end of refrigerant pipe is connected by jointing, and jointing is generally U-shaped bend pipe.And it is set in single on wind-guiding direction
It sets；It is appreciated that heat exchanger is in single setting, the heat exchange of heel row fin 11 existing for existing dual-row heat exchanger can be effectively overcome not
Abundant problem, needed to be considered in next step is exactly the heat exchange property for improving heat exchanger, to achieve the effect that dual-row heat exchanger；It is right
This, research is found in the case where 12 caliber of refrigerant pipe is certain, the interval Pt of adjacent refrigerant pipe 12 and the width Pl of fin 11
The influence of heat exchanging device heat exchange property is notable.
In caliber range 6.8mm~7.5mm of refrigerant pipe 12 (such as 6.8mm, 7.0mm, 7.2mm, 7.4mm,
7.5mm), in the case that control Pl is certain, the relationship of Pt and A is tested, table 1 is obtained by experiment one to seventy-seven groups of data of experiment：
Table 1
| A (%) | Pt(mm) | Pl(mm) | |
| Experiment one | 5.473618 | 15.8 | 22.0 |
| Experiment two | 5.9 | 16.9 | 22.0 |
| Experiment three | 6.27 | 18.2 | 22.0 |
| Experiment four | 6.34 | 19.5 | 22.0 |
| Experiment five | 6.26 | 21 | 22.0 |
| Experiment six | 5.75 | 23 | 22.0 |
| Experiment seven | 4.787633 | 25.4 | 22.0 |
By seven groups of data in table 1, fit the interval Pt's of the adjacent refrigerant pipe 12 and heat exchange property A of heat exchanger
Relation curve (with reference to Fig. 3)：
A=0.0018Pt3-0.1611Pt2+ 4.2564Pt-28.579, R2=0.999.
As shown, in caliber range 6.8mm~7.5mm of refrigerant pipe 12, the heat exchange property A of heat exchanger is with adjacent
The increase of the interval Pt of refrigerant pipe 12, first increases and then arrives peaking (when Pt ≈ 19.5mm), then be gradually reduced.
In caliber range 6.8mm~7.5mm of refrigerant pipe 12, the interval Pt and place fin 11 of adjacent refrigerant pipe 12 are tested
Width Pl ratio (D), the relationship with the heat exchange property B of heat exchanger, reference
Table 2：
| B (%) | D(Pt/Pl) | Pt(mm) | Pl(mm) | |
| Experiment one | 2.819774 | 1.407143 | 19.7 | 14 |
| Experiment two | 4.280327 | 1.23125 | 19.7 | 16 |
| Experiment three | 5.300482 | 1.094444 | 19.7 | 18 |
| Experiment four | 6.016167 | 0.985 | 19.7 | 20 |
| Experiment five | 6.349489 | 0.895455 | 19.7 | 22 |
| Experiment six | 6.272737 | 0.820833 | 19.7 | 24 |
| Experiment seven | 5.811956 | 0.757692 | 19.7 | 26 |
| Experiment eight | 5.020264 | 0.703571 | 19.7 | 28 |
| Experiment nine | 3.95855 | 0.656667 | 19.7 | 30 |
By nine groups of data in table 2, the relation curve of D and heat exchange property B has been fitted (with reference to Fig. 4)：
B=-55.979D4+266.51D3–476.17D2+370.89D–99.318；R2=0.998.
In the present embodiment, it is the more excellent section of performance to choose (Amax-1) % to Amax% and (Bmax-1) % to Bmax%,
Then can be calculated corresponding Pt should meet：Pt ∈ [15.7mm, 24.4mm], corresponding Pl should meet：Pl ∈ [18mm,
27.4mm]。
Amax ≈ 6.34, Bmax ≈ 6.35,
6.0~6.34 are chosen for A；6.0~6.35 are chosen for B
So Pt ∈ [17.2mm, 22.2mm], Pl ∈ [19.8mm, 25.42mm]
Selection 0.98Amax to Amax and 0.98Bmax to Bmax is the more excellent section of performance, then can be calculated corresponding Pt and answer
Meet：Pt ∈ [18mm, 21.1mm], corresponding Pl should meet：Pl ∈ [20.96mm, 24.32mm].
6.32~6.34 are chosen for A, 6.32~6.35 are chosen for B, then Pt ∈ [18.7mm, 20.5mm], Pl ∈
[21.65mm, 23.73mm].
Technical scheme of the present invention introduces a new type heat exchanger 1, and the refrigerant pipe 12 of the new type heat exchanger 1 is set using single
It sets, and when the caliber of refrigerant pipe 12 belongs in 6.8mm~7.5mm, the interval Pt of adjacent refrigerant pipe 12 is made to be maintained at 15.7mm
Within the scope of~24.4mm, the width Pl of fin 11 is maintained within the scope of 18mm~27.4mm, you can one-row heat exchanger is made to reach double
Arrange the heat exchange property of heat exchanger, it will be apparent that, which has used the smaller fin 11 of area, less refrigerant pipe 12,
And heat exchange property same as dual-row heat exchanger can be reached, therefore, considerably improve the efficiency of heat exchanger.
Further, the interval of arbitrary two adjacent refrigerant pipes 12 is consistent.It is appreciated that being arranged such, on the one hand, can reduce
The technology difficulty in refrigerant hole is opened up on fin 11, on the other hand then improving the whole production efficiency of new type heat exchanger 1 also has
Conducive to guarantee air-flow after heat exchanger, the uniformity of outlet air.In the present embodiment, the interval of adjacent two refrigerant pipe 12 is
17.0mm~22.1mm, according to fig. 3 or the relational expression of the heat exchange property A of the heat exchanger and interval Pt of refrigerant pipe 12 is it is found that phase
When the interval of adjacent two refrigerant pipes 12 is 17.1mm-22.9mm, the heat exchange property A of heat exchanger reaches peak value.
Further, the equivalent width of multiple fins 11.It is appreciated that being arranged such, on the one hand, be conducive to improve novel
On the other hand the production efficiency of heat exchanger 1 is also beneficial to ensure air-flow after heat exchanger, the uniformity of outlet air.The present embodiment
In, the width of fin 11 is 22.2mm, according to the relational expression of the heat exchange property B of Fig. 4 or heat exchanger and the width Pl of fin 11
It is found that when the width of fin 11 is 22.2mm, the heat exchange property B of heat exchanger reaches peak value.
Further, referring to figure 5 and figure 6, multiple fins 11 are in the arc arrangement towards inlet side projection, i.e. new type heat exchanger
The 1 whole arc in towards inlet side projection is arranged, in this way, being spaced in by windward side to leeward side between adjacent fins 11
It is tapered on direction, forms wind-guiding effect, preferably air-flow is guided to pass through new type heat exchanger 1.
Further, with reference to Fig. 6, the surface of 11 windward side of each fin is convexly equipped with heat transfer structure 111.It is appreciated that phase
The interval of 11 windward side of adjacent fin is larger, and air-flow is easy to pass through, and using the heat transfer structure 111, is conducive to increase changing for windward side
Hot area then enhances the heat transfer effect of windward side.In the present embodiment, which is along the wind-guiding direction of fin 11
The multiple heat transfer windows opened up are spaced, multiple heat transfer windows are divided on the side that the two of fin 11 is away from each other；Certainly, implement in other
In example, heat transfer block, heat transfer item of the heat transfer structure 111 or projection etc., the design is without being limited thereto.
Further, with reference to Fig. 6, the surface of 11 leeward side of each fin is arranged in plain film shape.It is appreciated that adjacent fins
The interval of 11 leeward sides is smaller, using flat sheets, on the one hand, and be conducive to passing through for air-flow, it is avoided to cause to hinder to air-flow,
On the other hand, it is not necessarily to additionally carry out other designs to fin 11, advantageously reduces the processing cost of new type heat exchanger 1.It needs
Bright, the design is without being limited thereto, and in other embodiment, each fin 11 can also be equipped with wind-guiding wave by the surface of leeward side
Line.
The present invention also proposes a kind of air conditioner, which includes air-conditioner outdoor unit and air conditioner indoor unit, in the air conditioning chamber
The concrete structure of machine is with reference to above-described embodiment, since this air conditioner uses whole technical solutions of above-mentioned all embodiments, because
This at least has all advantageous effects caused by the technical solution of above-described embodiment, and this is no longer going to repeat them.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (12)
1. a kind of new type heat exchanger, which is characterized in that including multiple fins and through a plurality of cold of the multiple fin setting
Matchmaker manages, and a plurality of refrigerant pipe is intervally arranged along the length direction of each fin, and is in single setting on wind-guiding direction；
The caliber of the refrigerant pipe is 6.8mm~7.5mm, and 15.7mm~24.4mm, the wing are divided between adjacent two refrigerant pipe
The width of piece is 18mm~27.4mm.
2. new type heat exchanger as described in claim 1, which is characterized in that be divided between adjacent two refrigerant pipe 17.2mm~
The width of 22.2mm, the fin are 19.8mm~25.42mm.
3. new type heat exchanger as described in claim 1, which is characterized in that be divided between adjacent two refrigerant pipe 18mm~
The width of 21.1mm, the fin are 20.96mm~24.32mm.
4. new type heat exchanger as described in claim 1, which is characterized in that be divided between adjacent two refrigerant pipe 18.7mm~
The width of 20.5mm, the fin are 21.65mm~23.73mm.
5. the new type heat exchanger as described in Claims 1-4 any one, which is characterized in that the width one of multiple fins
It causes.
6. the new type heat exchanger as described in Claims 1-4 any one, which is characterized in that the arbitrary two adjacent refrigerant pipe
Interval it is consistent.
7. the new type heat exchanger as described in Claims 1-4 any one, which is characterized in that multiple fins are in towards air inlet
The arc of side projection is arranged.
8. the new type heat exchanger as described in Claims 1-4 any one, which is characterized in that the surface of the fin windward side
It is convexly equipped with heat transfer structure.
9. new type heat exchanger as claimed in claim 8, which is characterized in that the surface of the fin leeward side is equipped with wind-guiding ripple
Or it is arranged in plain film shape.
10. a kind of air conditioner indoor unit, which is characterized in that include the new type heat exchanger as described in claim 1 to 9 any one.
11. air conditioner indoor unit as claimed in claim 10, which is characterized in that the air conditioner indoor unit is in wall-hanging air conditioner room
Machine or cabinet-type air conditioner.
12. a kind of air conditioner, which is characterized in that including air-conditioner outdoor unit and air conditioner indoor unit as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676605.0A CN108759176A (en) | 2018-06-26 | 2018-06-26 | New type heat exchanger, air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676605.0A CN108759176A (en) | 2018-06-26 | 2018-06-26 | New type heat exchanger, air conditioner indoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108759176A true CN108759176A (en) | 2018-11-06 |
Family
ID=63977626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810676605.0A Pending CN108759176A (en) | 2018-06-26 | 2018-06-26 | New type heat exchanger, air conditioner indoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108759176A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133178A (en) * | 1999-10-29 | 2001-05-18 | Matsushita Refrig Co Ltd | Heat exchanger |
| CN201731686U (en) * | 2010-07-18 | 2011-02-02 | 广东美的电器股份有限公司 | Finned heat exchanger of air conditioner |
| CN108180560A (en) * | 2018-03-21 | 2018-06-19 | 广东美的制冷设备有限公司 | Cabinet air-conditioner and air conditioner |
| CN208382629U (en) * | 2018-06-26 | 2019-01-15 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
-
2018
- 2018-06-26 CN CN201810676605.0A patent/CN108759176A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133178A (en) * | 1999-10-29 | 2001-05-18 | Matsushita Refrig Co Ltd | Heat exchanger |
| CN201731686U (en) * | 2010-07-18 | 2011-02-02 | 广东美的电器股份有限公司 | Finned heat exchanger of air conditioner |
| CN108180560A (en) * | 2018-03-21 | 2018-06-19 | 广东美的制冷设备有限公司 | Cabinet air-conditioner and air conditioner |
| CN208382629U (en) * | 2018-06-26 | 2019-01-15 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
Non-Patent Citations (1)
| Title |
|---|
| 吴照国: "小管径换热器应用于房间空调器的设计方法", 《工程科技Ⅱ辑》, 15 July 2011 (2011-07-15), pages 19 - 32 * |
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