CN203132211U - Air conditioner and finned type heat exchanger thereof - Google Patents
Air conditioner and finned type heat exchanger thereof Download PDFInfo
- Publication number
- CN203132211U CN203132211U CN 201320142091 CN201320142091U CN203132211U CN 203132211 U CN203132211 U CN 203132211U CN 201320142091 CN201320142091 CN 201320142091 CN 201320142091 U CN201320142091 U CN 201320142091U CN 203132211 U CN203132211 U CN 203132211U
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- heat exchanger
- interlude
- entrance
- outlet section
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Abstract
The utility model discloses a finned type heat exchanger, wherein the diameters of an inlet section and an outlet section of a heat exchange pipe of the heat exchanger are smaller than that of a middle section thereof. By adopting the structure, the finned type heat exchanger disclosed by the utility model can effectively improve the coefficient of heat transfer of the heat exchanger, so that the heat exchange performance of the heat exchanger is improved. The utility model further provides an air conditioner comprising the finned type heat exchanger.
Description
Technical field
The utility model relates to technical field of heat exchangers, relates in particular to a kind of finned heat exchanger and uses the air-conditioning of this finned heat exchanger.
Background technology
Along with the develop rapidly of economic construction, air-conditioning technical has also been obtained obvious improvement.The quality of heat exchanger has material impact to the quality of air-conditioner.
At present, the most of air cooling fin pipe heat exchanger that adopts of family expenses and light-duty business air conditioner, the heat exchanger tube of air cooling fin pipe heat exchanger of the prior art is copper pipe, fin is the aluminium fin.The heat exchanger tube diameter of heat exchanger is more little, and the heat exchange property of heat exchanger is more good, and cost is also more low, and therefore, those skilled in the art are devoted to the research of tubule footpath heat exchanger always.
For the heat exchanger of tubule footpath, increase along with mass dryness fraction in the heat exchanger tube, the coefficient of heat transfer presents elder generation and increases the trend that afterwards reduces, and for evaporimeter, the mass dryness fraction of the inducer in the heat exchanger tube is too low, the mass dryness fraction of outlet section is too high, in like manner for condenser, the mass dryness fraction of the inducer in the heat exchanger tube is too high, and the mass dryness fraction of outlet section is too low, all can cause the coefficient of heat transfer of inducer and outlet section lower, influence exchange performance.
Therefore, how to improve the coefficient of heat transfer of heat exchanger, and then improve the heat exchange property of heat exchanger, become those skilled in the art's important technological problems to be solved.
The utility model content
In view of this, the utility model provides a kind of finned heat exchanger, and it can effectively improve the coefficient of heat transfer of heat exchanger, and then improves the heat exchange property of heat exchanger.The utility model also provides a kind of air-conditioner that comprises above-mentioned finned heat exchanger.
The finned heat exchanger that the utility model provides, the entrance of the heat exchanger tube of heat exchanger and the diameter of outlet section are all less than the diameter of its interlude.
Preferably, the diameter of entrance and outlet section is that the diameter of 4-5mm, interlude is 7-9.52mm.
Preferably, the diameter of entrance and outlet section is 4mm, and the interlude diameter is 7mm.
Preferably, the length ratio of entrance, interlude and outlet section is 1:(1.5～2.5): (0.5-1.5).
Preferably, the length ratio of entrance, interlude and outlet section is 1:2:1.
Preferably, the entrance of heat exchanger tube is arranged in first module, the interlude of heat exchanger is arranged in second module, the outlet section of heat exchanger is arranged in the 3rd module, first module, second module and the 3rd module are connected by attaching parts, and entrance, interlude and outlet section are connected.
Preferably, it is U-shaped that attaching parts are, first through hole that the two ends of attaching parts are respectively equipped with and second through hole, and the diameter of first through hole is less than the diameter of second through hole.
The utility model also provides a kind of air-conditioner, comprises as above each described finned heat exchanger.
The finned heat exchanger that the utility model provides, the entrance of the heat exchanger tube of described heat exchanger and the diameter of outlet section are all less than the diameter of its interlude.
The finned heat exchanger that the utility model provides, the entrance of the heat exchanger tube of described heat exchanger and the diameter of outlet section are all less than the diameter of its interlude.
So arrange, this specific embodiment is by reducing the entrance of heat exchanger tube and the diameter of outlet section, increase the flow velocity of tube fluid, improve the two-part coefficient of heat transfer, and then the entrance of raising heat exchanger tube and the heat exchange property of outlet section, and be set to bigger caliber by the interlude of heat exchanger tube, can reduce the internal drag of heat exchanger, promote the heat exchange amount of unit mass flow, the further like this heat exchanger heat exchange property that promoted, and reduced the pressure drop of heat exchanger, effectively improved the combination property of heat exchanger.And can guarantee has preferable mass dryness fraction in entrance, outlet section and the interlude of heat exchanger tube, improves its coefficient of heat transfer, further improves the heat exchange property of heat exchanger.
The utility model also provides a kind of air-conditioner that comprises above-mentioned finned heat exchanger.So arrange, the air-conditioner that the utility model provides, its heat exchanger has heat exchange property preferably, and the derivation of the beneficial effect that the derivation of this beneficial effect and above-mentioned finned heat exchanger bring is similar substantially, so this paper repeats no more.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings;
Fig. 1 is heat exchanger structure schematic diagram in the utility model specific embodiment;
The structural representation that Fig. 2 takes apart for heat exchanger in the utility model specific embodiment;
Among Fig. 1 and Fig. 2:
Entrance-11, outlet section-12, interlude-13, first module-14, second module-15, the 3rd module-16, attaching parts-17, first through hole-18, second through hole-19.
The specific embodiment
The utility model provides a kind of finned heat exchanger, and it can effectively improve the coefficient of heat transfer of heat exchanger, and then improves the heat exchange property of heat exchanger.The utility model also provides a kind of air-conditioner that comprises above-mentioned finned heat exchanger.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, the finned heat exchanger that this specific embodiment provides, the entrance 11 of the heat exchanger tube of heat exchanger and the diameter of outlet section 12 are all less than the diameter of its interlude 13.
Need to prove, above-mentioned entrance 11 refers to originate in the refrigerant inlet of heat exchanger tube and the one section pipeline that extends to the middle part of heat exchanger tube, outlet section 12 refers to originate in the refrigerant outlet of heat exchanger tube and the one section pipeline that extends to the middle part of heat exchanger tube, and interlude 13 is the pipeline portions except entrance 11 and outlet section 12.
So arrange, this specific embodiment is by reducing the entrance 11 of heat exchanger tube and the diameter of outlet section 12, increase the flow velocity of tube fluid, improve the two-part coefficient of heat transfer, and then the entrance 11 of raising heat exchanger tube and the heat exchange property of outlet section 12, and be set to bigger caliber by the interlude 13 with heat exchanger tube, can reduce the internal drag of heat exchanger, promote the heat exchange amount of unit mass flow, the further like this heat exchanger heat exchange property that promoted, and reduced the pressure drop of heat exchanger, effectively improved the combination property of heat exchanger.
In the preferred version of this specific embodiment, the entrance 11 of heat exchanger tube and the diameter of outlet section 12 are that the diameter of 4-5mm, interlude 13 is 7-9.52mm, and the length ratio of entrance 11, interlude 13 and outlet section 12 is 1:(1.5～2.5): (0.5-1.5).
So arrange, when heat exchanger during as evaporimeter: the porch cold-producing medium mass dryness fraction of heat exchanger tube is made as L1 by the length with entrance between 0.15-0.25, can guarantee that the cold-producing medium mass dryness fraction in entrance 11 exits can reach 0.4-0.5; Then cold-producing medium enters the interlude 13 of heat exchanger tube, be made as L2 by the length with interlude, the mass dryness fraction that can guarantee the exit cold-producing medium of interlude 13 is 0.75-0.85, enter outlet section 12 at last, be made as L3 by the length with outlet section, can guarantee that outlet has the 1-2 ℃ of 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 of heat exchanger tube porch is HTHP high speed single phase gas, be made as L4 by the length with entrance, can make entrance 11 pipeline exit cold-producing medium mass dryness fractions between 0.75-0.85, then enter the interlude 13 of heat exchanger tube, because interlude 13 is the big caliber of 7-8mm, be made as L5 by the length with interlude, can make interlude 13 outlet mass dryness fractions between 0.4-0.5, enter outlet section 12 at last, be made as L6 by the length with outlet section, can make outlet that degree of supercooling more than 1 ℃, above-mentioned L4:L5:L6=1:(1.5～2.5 are arranged): (0.5-1.5).
In sum, dwindle the caliber of entrance 11 and outlet section 12 to 4-5mm, can improve its coefficient of heat transfer, and then raising heat exchange property, and the caliber of the interlude 13 of increase heat exchanger tube is to 7-9.52mm, can reduce the resistance of heat exchanger, promote the heat exchange amount of unit mass flow, and then promoted the heat exchange property of heat exchanger, simultaneously, the length ratio of entrance 11, interlude 13 and outlet section 12 is set to 1:(1.5～2.5): (0.5-1.5), can guarantee that heat exchanger has preferable mass dryness fraction, improve its coefficient of heat transfer, further improve heat exchange property.
Reach for example as preferred, the heat exchanger that this specific embodiment provides, the entrance 11 of its heat exchanger tube and the diameter of outlet section 12 are 4mm, and interlude 13 diameters are 7mm, and the length ratio of entrance 11, interlude 13 and outlet section 12 is 1:2:1.So arrange, with the caliber optimization of heat exchanger tube, and the length ratio of each different tube diameters is moderate, has effectively improved the heat exchange property of heat exchanger.
For the ease of processing, in this specific embodiment, the entrance 11 of heat exchanger tube is arranged in first module 14, the interlude 13 of heat exchanger is arranged in second module 15, the outlet section 12 of heat exchanger is arranged in the 3rd module 16, first module 14, second module 15 and the 3rd module 16 are connected by attaching parts 17, and the entrance 11 of heat exchanger tube, interlude 13 and outlet section 12 are connected.
Need to prove, because each section of heat exchanger tube caliber difference, if by integrated production heat exchanger, producting process difficulty is bigger, Given this, this specific embodiment is separately positioned on three independently in the module with entrance 11, interlude 13 and the outlet section 12 of heat exchanger tube, then adopt attaching parts 17 that three modules are connected, and then entrance 11, interlude 13 and the outlet section 12 of heat exchanger tube are connected.So arrange, effectively simplified the production technology of heat exchanger, improved production efficiency.
Attaching parts 17 are U-shaped, wherein the two ends of attaching parts 17 are respectively equipped with first through hole 18 and second through hole 19, wherein the diameter of first through hole 18 is less than the diameter of second through hole 19, the diameter of the through hole 18 of winning and entrance 11 or the outlet section 12 of heat exchanger tube are matched, make the diameter of second through hole 19 and the interlude 13 of heat exchanger tube match.So, can with three independently module be connected reliably.
This specific embodiment also provides a kind of air-conditioner, comprises the as above finned heat exchanger of arbitrary specific embodiment.
So arrange, the air-conditioner that this specific embodiment provides, its heat exchanger has heat exchange property preferably, and the derivation of the beneficial effect that the derivation of this beneficial effect and above-mentioned finned heat exchanger bring is similar substantially, so this paper repeats no more.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a finned heat exchanger is characterized in that, the entrance of the heat exchanger tube of described heat exchanger and the diameter of outlet section are all less than the diameter of its interlude.
2. finned heat exchanger as claimed in claim 1 is characterized in that, the diameter of described entrance and described outlet section is that the diameter of 4-5mm, described interlude is 7-9.52mm.
3. finned heat exchanger as claimed in claim 2 is characterized in that, the diameter of described entrance and described outlet section is 4mm, and the interlude diameter is 7mm.
4. finned heat exchanger as claimed in claim 1 is characterized in that, the length ratio of described entrance, described interlude and described outlet section is 1:(1.5～2.5): (0.5-1.5).
5. finned heat exchanger as claimed in claim 4 is characterized in that, the length ratio of described entrance, described interlude and described outlet section is 1:2:1.
6. finned heat exchanger as claimed in claim 1, it is characterized in that, the entrance of described heat exchanger tube is arranged in first module, the interlude of described heat exchanger is arranged in second module, the outlet section of described heat exchanger is arranged in the 3rd module, described first module, described second module and described the 3rd module are connected by attaching parts, and described entrance, described interlude and described outlet section are connected.
7. finned heat exchanger as claimed in claim 6 is characterized in that, described attaching parts are U-shaped, first through hole that the two ends of described attaching parts are respectively equipped with and second through hole, and the diameter of described first through hole is less than the diameter of described second through hole.
8. an air-conditioner is characterized in that, comprises each described finned heat exchanger as claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142091 CN203132211U (en) | 2013-03-26 | 2013-03-26 | Air conditioner and finned type heat exchanger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142091 CN203132211U (en) | 2013-03-26 | 2013-03-26 | Air conditioner and finned type heat exchanger thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132211U true CN203132211U (en) | 2013-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320142091 Withdrawn - After Issue CN203132211U (en) | 2013-03-26 | 2013-03-26 | Air conditioner and finned type heat exchanger thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203132211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075495A (en) * | 2013-03-26 | 2014-10-01 | 珠海格力电器股份有限公司 | Air conditioner and finned heat exchanger |
-
2013
- 2013-03-26 CN CN 201320142091 patent/CN203132211U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075495A (en) * | 2013-03-26 | 2014-10-01 | 珠海格力电器股份有限公司 | Air conditioner and finned heat exchanger |
| CN104075495B (en) * | 2013-03-26 | 2016-10-05 | 珠海格力电器股份有限公司 | A kind of air-conditioner and finned heat exchanger thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |