CN104075495B - A kind of air-conditioner and finned heat exchanger thereof - Google Patents
A kind of air-conditioner and finned heat exchanger thereof Download PDFInfo
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- CN104075495B CN104075495B CN201310099920.9A CN201310099920A CN104075495B CN 104075495 B CN104075495 B CN 104075495B CN 201310099920 A CN201310099920 A CN 201310099920A CN 104075495 B CN104075495 B CN 104075495B
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- Prior art keywords
- heat exchanger
- interlude
- entrance
- diameter
- outlet section
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- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009795 derivation Methods 0.000 description 4
- 239000000411 inducer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of finned heat exchanger, the entrance of the heat exchanger tube of described heat exchanger and the diameter of outlet section are respectively less than the diameter of its interlude.Being arranged such, a kind of finned heat exchanger disclosed by the invention, it can be effectively improved the coefficient of heat transfer of heat exchanger, and then improve the heat exchange property of heat exchanger.Present invention also offers a kind of air-conditioner including above-mentioned finned heat exchanger.
Description
Technical field
The present invention relates to technical field of heat exchangers, particularly relate to a kind of finned heat exchanger and use this fin
The air-conditioning of formula heat exchanger.
Background technology
Along with developing rapidly of economic construction, air-conditioning technical also achieves the most progressive.The matter of heat exchanger
Measure the quality to air-conditioner and there is material impact.
At present, domestic and light-duty business air conditioner major part use air cooling fin pipe heat exchanger, prior art
In the heat exchanger tube of air cooling fin pipe heat exchanger be copper pipe, fin is aluminum fin-stock.The heat exchanger tube of heat exchanger
Diameter is the least, and the heat exchange property of heat exchanger is the best, and cost is the lowest, and therefore, those skilled in the art cause always
Power is in the research of small-pipe diameter heat exchanger.
For small-pipe diameter heat exchanger, along with the increase of mass dryness fraction in heat exchanger tube, the coefficient of heat transfer presents and first increases
The trend reduced after big, and for vaporizer, the mass dryness fraction of the inducer in heat exchanger tube is the lowest, outlet
The mass dryness fraction of section is the highest, and in like manner for condenser, the mass dryness fraction of the inducer in heat exchanger tube is the highest, outlet
The mass dryness fraction of section is the lowest, inducer all can be caused relatively low with the coefficient of heat transfer of outlet section, affect changing of heat exchanger tube
Hot property.
Therefore, how to improve the coefficient of heat transfer of heat exchanger, and then the heat exchange property of raising heat exchanger, become
Those skilled in the art's important technological problems to be solved.
Summary of the invention
In view of this, the invention provides a kind of finned heat exchanger, it can be effectively improved heat exchanger
The coefficient of heat transfer, and then improve the heat exchange property of heat exchanger.Present invention also offers one and include above-mentioned fin
The air-conditioner of formula heat exchanger.
The finned heat exchanger that the present invention provides, the entrance of the heat exchanger tube of heat exchanger and the diameter of outlet section
It is respectively less than the diameter of its interlude.
Preferably, entrance and a diameter of 4-5mm of outlet section, a diameter of 7-9.52mm of interlude.
Preferably, the diameter of entrance and outlet section is 4mm, a diameter of 7mm of interlude.
Preferably, the lenth ratio of entrance, interlude and outlet section is 1:(1.5～2.5): (0.5-1.5).
Preferably, the lenth ratio of entrance, interlude and outlet section is 1:2:1.
Preferably, during the entrance of heat exchanger tube is arranged at the first module, the interlude of heat exchanger be arranged at
In two modules, the outlet section of heat exchanger be arranged in three module, the first module, the second module and the 3rd
Module is connected by connection member, and entrance, interlude are connected with outlet section.
Preferably, connection member is U-shaped, first through hole and second being respectively arranged at two ends with of connection member
Through hole, the diameter of the first through hole is less than the diameter of the second through hole.
Present invention also offers a kind of air-conditioner, including the finned heat exchanger described in as above any one.
The finned heat exchanger that the present invention provides, the entrance of the heat exchanger tube of described heat exchanger and outlet section
Diameter is respectively less than the diameter of its interlude.
The finned heat exchanger that the present invention provides, the entrance of the heat exchanger tube of described heat exchanger and outlet section
Diameter is respectively less than the diameter of its interlude.
Be arranged such, this detailed description of the invention by the diameter of the entrance of heat exchanger tube and outlet section is reduced,
Increase the flow velocity of tube fluid, improve the two-part coefficient of heat transfer, so improve heat exchanger tube entrance and
The heat exchange property of outlet section, and by the interlude of heat exchanger tube is set to bigger caliber, it is possible to reduce
The internal drag of heat exchanger, promotes the heat exchange amount of unit mass flow, improves heat exchanger the most further
Heat exchange property, and reduce the pressure drop of heat exchanger, it is effectively increased the combination property of heat exchanger.Further,
There is preferably mass dryness fraction in can ensure that the entrance of heat exchanger tube, outlet section and interlude, improve its heat exchange system
Number, further improves the heat exchange property of heat exchanger.
Present invention also offers a kind of air-conditioner including above-mentioned finned heat exchanger.It is arranged such, this
The air-conditioner of bright offer, its heat exchanger has preferable heat exchange property, the derivation of this beneficial effect with
The derivation of the beneficial effect that above-mentioned finned heat exchanger is brought is similar, therefore repeats no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings；
Fig. 1 is heat exchanger structure schematic diagram in the specific embodiment of the invention；
Fig. 2 is the structural representation that in the specific embodiment of the invention, heat exchanger is taken apart；
In Fig. 1 and Fig. 2:
Entrance 11, outlet section 12, interlude the 13, first module the 14, second module 15,
Three module 16, connection member the 17, first through hole the 18, second through hole 19.
Detailed description of the invention
The invention provides a kind of finned heat exchanger, it can be effectively improved the coefficient of heat transfer of heat exchanger,
And then improve the heat exchange property of heat exchanger.Present invention also offers and a kind of include above-mentioned finned heat exchanger
Air-conditioner.
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
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the finned heat exchanger that this detailed description of the invention provides, changing of heat exchanger
The entrance 11 of heat pipe and the diameter of outlet section 12 are respectively less than the diameter of its interlude 13.
It should be noted that above-mentioned entrance 11 refers to originate in the refrigerant inlet of heat exchanger tube and to heat exchange
One section of pipeline that the middle part of pipe extends, outlet section 12 refers to originate in the refrigerant outlet of heat exchanger tube also
The one section of pipeline extended to the middle part of heat exchanger tube, and interlude 13 is in addition to entrance 11 and outlet
Pipeline portions outside section 12.
It is arranged such, straight by by the entrance 11 of heat exchanger tube and outlet section 12 of this detailed description of the invention
Footpath reduces, and increases the flow velocity of tube fluid, improves the two-part coefficient of heat transfer, and then improves heat exchanger tube
Entrance 11 and the heat exchange property of outlet section 12, and by the interlude 13 of heat exchanger tube is set to bigger
Caliber, it is possible to reduce heat exchanger internal drag, promote unit mass flow heat exchange amount, so enter
One step improves heat exchanger heat exchange property, and reduces the pressure drop of heat exchanger, is effectively increased heat exchanger
Combination property.
In the preferred version of this detailed description of the invention, the entrance 11 of heat exchanger tube and the diameter of outlet section 12
For 4-5mm, a diameter of 7-9.52mm of interlude 13, entrance 11, interlude 13 and outlet section
The lenth ratio of 12 is 1:(1.5～2.5): (0.5-1.5).
It is arranged such, when heat exchanger is as vaporizer: the porch cold-producing medium mass dryness fraction of heat exchanger tube exists
Between 0.15-0.25, by the length of entrance is set to L1, it is ensured that entrance 11 exit
Cold-producing medium mass dryness fraction can reach 0.4-0.5；Then cold-producing medium enters the interlude 13 of heat exchanger tube, by by centre
The length of section is set to L2, it is ensured that the mass dryness fraction of the exit cold-producing medium of interlude 13 is 0.75-0.85,
Finally enter outlet section 12, by the length of outlet section is set to L3, it is possible to ensure that outlet has 1-2 DEG C
The degree of superheat, above-mentioned L1:L2:L3=1:(1.5～2.5): (0.5-1.5).
When heat exchanger uses as condenser, the cold-producing medium at heat exchange tube inlet is that High Temperature High Pressure is the most single
Phase gas, by the length of entrance is set to L4, can make cold-producing medium at entrance 11 tube outlet
Mass dryness fraction, between 0.75-0.85, subsequently enters the interlude 13 of heat exchanger tube, owing to interlude 13 is 7-8mm
Large Diameter Pipeline, by the length of interlude is set to L5, interlude 13 can be made to export mass dryness fraction at 0.4-0.5
Between, finally enter outlet section 12, by the length of outlet section is set to L6, outlet can be made to have 1
Degree of supercooling more than DEG C, above-mentioned L4:L5:L6=1:(1.5～2.5): (0.5-1.5).
In sum, reduce the caliber of entrance 11 and outlet section 12 to 4-5mm, can be improved it and change
Hot coefficient, and then improve heat exchange property, and increase the caliber of the interlude 13 of heat exchanger tube to 7-9.52mm,
The resistance of heat exchanger can be reduced, promote the heat exchange amount of unit mass flow, and then improve heat exchanger
Heat exchange property, meanwhile, is set to 1 by the lenth ratio of entrance 11, interlude 13 and outlet section 12:
(1.5～2.5): (0.5-1.5), it is ensured that heat exchanger has preferably mass dryness fraction, improve its coefficient of heat transfer,
Further improve heat exchange property.
As preferred and citing, the heat exchanger that this detailed description of the invention provides, the entrance 11 of its heat exchanger tube
It is 4mm, a diameter of 7mm of interlude 13, entrance 11, interlude with the diameter of outlet section 12
13 and the lenth ratio of outlet section 12 be 1:2:1.It is arranged such, by the caliber optimization of heat exchanger tube, and
The length ratio of each different tube diameters is moderate, is effectively increased the heat exchange property of heat exchanger.
For the ease of processing, in this detailed description of the invention, the entrance 11 of heat exchanger tube is arranged at the first module
In 14, the interlude 13 of heat exchanger is arranged in the second module 15, the outlet section 12 of heat exchanger is arranged
In three module 16, first module the 14, second module 15 and three module 16 pass through connection member
17 are connected, and the entrance 11 of heat exchanger tube, interlude 13 and outlet section 12 are connected.
It should be noted that due to each section of caliber difference of heat exchanger tube, if producing heat exchanger by integration, raw
Production. art difficulty is relatively big, in consideration of it, this detailed description of the invention, by the entrance 11 of heat exchanger tube, interlude
13 and outlet section 12 be separately positioned in three independent modules, then use connection member 17 by three
Module is connected, and then makes the entrance 11 of heat exchanger tube, interlude 13 and outlet section 12 be connected.As
This is arranged, and is effectively simplified the production technology of heat exchanger, improves production efficiency.
Connection member 17 is U-shaped, wherein connection member 17 be respectively arranged at two ends with the first through hole 18 and
Second through hole 19, wherein the diameter of the first through hole 18 is less than the diameter of the second through hole 19 so that first leads to
The diameter in hole 18 matches with entrance 11 or the outlet section 12 of heat exchanger tube so that the second through hole 19
Diameter matches with the interlude 13 of heat exchanger tube.So, the module that three independent reliably can be connected.
This detailed description of the invention additionally provides a kind of air-conditioner, including the wing of arbitrary detailed description of the invention
Plate heat interchanger.
Being arranged such, the air-conditioner that this detailed description of the invention provides, its heat exchanger has preferable heat-exchange performance
Can, the derivation of the beneficial effect that the derivation of this beneficial effect and above-mentioned finned heat exchanger are brought
Cheng great Ti is similar to, therefore repeats no more herein.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (7)
1. a finned heat exchanger, it is characterised in that the entrance of the heat exchanger tube of described heat exchanger and going out
The diameter of mouth section is respectively less than the diameter of its interlude；The entrance of described heat exchanger tube is arranged in the first module,
The interlude of described heat exchanger is arranged in the second module, the outlet section of described heat exchanger is arranged at the 3rd mould
In block, described first module, described second module and described three module are connected by connection member,
And described entrance, described interlude are connected with described outlet section.
2. finned heat exchanger as claimed in claim 1, it is characterised in that described entrance and described
A diameter of 4-5mm of outlet section, a diameter of 7-9.52mm of described interlude.
3. finned heat exchanger as claimed in claim 2, it is characterised in that described entrance and described
The diameter of outlet section is 4mm, a diameter of 7mm of interlude.
4. finned heat exchanger as claimed in claim 1, it is characterised in that described entrance, described
The lenth ratio of interlude and described outlet section is 1:(1.5～2.5): (0.5-1.5).
5. finned heat exchanger as claimed in claim 4, it is characterised in that described entrance, described
The lenth ratio of interlude and described outlet section is 1:2:1.
6. finned heat exchanger as claimed in claim 1, it is characterised in that described connection member is U
Type, first through hole being respectively arranged at two ends with of described connection member and the second through hole, described first through hole
Diameter is less than the diameter of described second through hole.
7. an air-conditioner, it is characterised in that include as described in any one of claim 1-6 is finned
Heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310099920.9A CN104075495B (en) | 2013-03-26 | 2013-03-26 | A kind of air-conditioner and finned heat exchanger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310099920.9A CN104075495B (en) | 2013-03-26 | 2013-03-26 | A kind of air-conditioner and finned heat exchanger thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075495A CN104075495A (en) | 2014-10-01 |
| CN104075495B true CN104075495B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310099920.9A Expired - Fee Related CN104075495B (en) | 2013-03-26 | 2013-03-26 | A kind of air-conditioner and finned heat exchanger thereof |
Country Status (1)
| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218299B (en) * | 2022-06-16 | 2024-05-28 | 广州万二二麦工程技术有限公司 | Super high energy efficiency dehumidifier for cutting off heat bridge connection between super cooling section and condensing section fins |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127493A (en) * | 1984-07-16 | 1986-02-06 | Matsushita Electric Ind Co Ltd | Heat exchanger with fins |
| US5251693A (en) * | 1992-10-19 | 1993-10-12 | Zifferer Lothar R | Tube-in-shell heat exchanger with linearly corrugated tubing |
| JP2003172591A (en) * | 2001-12-07 | 2003-06-20 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| CN2831020Y (en) * | 2005-10-08 | 2006-10-25 | 苏州吉来冷冻空调设备配件有限公司 | U-shape heat exchange tube for refrigerating |
| JP2008309443A (en) * | 2007-06-18 | 2008-12-25 | Daikin Ind Ltd | Heat transfer pipe connecting structure |
| JP2009257742A (en) * | 2008-03-25 | 2009-11-05 | Daikin Ind Ltd | Refrigerating device and manufacturing method therefor |
| CN202133190U (en) * | 2011-06-20 | 2012-02-01 | 广东美的电器股份有限公司 | Non-symmetrical finned pipe exchanger |
| CN102639954A (en) * | 2009-11-04 | 2012-08-15 | 大金工业株式会社 | Heat exchanger and indoor unit including the same |
| CN203132211U (en) * | 2013-03-26 | 2013-08-14 | 珠海格力电器股份有限公司 | Air conditioner and finned type heat exchanger thereof |
-
2013
- 2013-03-26 CN CN201310099920.9A patent/CN104075495B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127493A (en) * | 1984-07-16 | 1986-02-06 | Matsushita Electric Ind Co Ltd | Heat exchanger with fins |
| US5251693A (en) * | 1992-10-19 | 1993-10-12 | Zifferer Lothar R | Tube-in-shell heat exchanger with linearly corrugated tubing |
| JP2003172591A (en) * | 2001-12-07 | 2003-06-20 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| CN2831020Y (en) * | 2005-10-08 | 2006-10-25 | 苏州吉来冷冻空调设备配件有限公司 | U-shape heat exchange tube for refrigerating |
| JP2008309443A (en) * | 2007-06-18 | 2008-12-25 | Daikin Ind Ltd | Heat transfer pipe connecting structure |
| JP2009257742A (en) * | 2008-03-25 | 2009-11-05 | Daikin Ind Ltd | Refrigerating device and manufacturing method therefor |
| CN102639954A (en) * | 2009-11-04 | 2012-08-15 | 大金工业株式会社 | Heat exchanger and indoor unit including the same |
| CN202133190U (en) * | 2011-06-20 | 2012-02-01 | 广东美的电器股份有限公司 | Non-symmetrical finned pipe exchanger |
| CN203132211U (en) * | 2013-03-26 | 2013-08-14 | 珠海格力电器股份有限公司 | Air conditioner and finned type heat exchanger thereof |
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| Publication number | Publication date |
|---|---|
| CN104075495A (en) | 2014-10-01 |
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Granted publication date: 20161005 |