CN202928430U - Fin, parallel-flow evaporator and household cabinet air conditioner - Google Patents
Fin, parallel-flow evaporator and household cabinet air conditioner Download PDFInfo
- Publication number
- CN202928430U CN202928430U CN 201220576104 CN201220576104U CN202928430U CN 202928430 U CN202928430 U CN 202928430U CN 201220576104 CN201220576104 CN 201220576104 CN 201220576104 U CN201220576104 U CN 201220576104U CN 202928430 U CN202928430 U CN 202928430U
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- fin
- shutter
- parallel
- shutters
- flow evaporator
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Abstract
The utility model provides a waved fin which comprises wave crest parts, wave trough parts, sheet bodies, as well as first shutters and second shutters that are symmetrically arranged on the sheet bodies, wherein the first shutters are positioned on the windward side of a parallel-flow evaporator; the second shutters are positioned on the leeward side of the parallel-flow evaporator; air vents are formed between the adjacent shutters of the first shutters and the second shutters; and V-shaped structures are formed between the first shutters and the second shutters symmetrical to the first shutters. The utility model further provides the parallel-flow evaporator with the fin and a household cabinet air conditioner. An air flow flows around the first shutters and flat tubes sufficiently, so that an air boundary layer is destroyed effectively; side heat exchange of the flat tubes is enhanced; and the heat exchange efficiency of the parallel-flow evaporator is improved. When the air flow flows through the second shutters, the air flow mostly flows through the second shutters in a direction parallel to the second shutters, so that wind resistance is reduced, air output is increased, the heat exchange efficiency is further improved, and air-out noises of the air flow are eliminated.
Description
Technical field
The utility model belongs to the heat exchanger for air conditioner technical field, relates in particular to parallel-flow evaporator and the domestic air conditioning cabinet-type air conditioner of a kind of fin, the described fin of application.
Background technology
China is that bauxite resource enriches and the country of copper resource shortage.The air-conditioning Energy Efficiency Standard rises year by year, and will certainly consume a large amount of copper resources, causes that the copper valency rapidly goes up, the risk of copper resource scarcity.Therefore aluminium will become the inexorable trend of air-condition heat exchanger development from now on for copper technology.
Concurrent flow porous micro-channel heat exchanger (also claiming parallel-flow heat exchanger) is exactly a kind of full aluminium heater, and it is as a kind of new type heat exchanger for air-conditioning, and is more and more extensive in the condenser application facet, and some design parameters are arranged.But when parallel-flow heat exchanger is used domestic air conditioning cabinet-type air conditioner evaporimeter, do not have parallel flow condenser to use so simple, wherein the bigger than normal or different sound of uttering long and high-pitched sounds air-flow of the level of noise of air-flow is a general difficult problem that produces when being applied to cabinet air-conditioner, be as described in the Chinese utility model patent of CN 202432614U as notification number, increase a barge board of adjusting wind direction between the air outlet of blower fan and parallel-flow evaporator, change airflow direction, thereby the adjustment flow distribution evenness reduces level of noise, eliminates different sound.But this scheme comparatively bothers in the production technology implementation procedure, and the deep bead angle fluctuates a little to some extent, and easily all that has been achieved is spoiled, and can increase certain cost.
Therefore, can consider from fin itself.How to improve the heat exchange efficiency of parallel-flow evaporator and to reduce the pneumatic noise value by the fin that designs parallel-flow evaporator is that those skilled in the art needs the technical solution problem at present.
The utility model content
The purpose of this utility model is to provide a kind of fin, is intended to solve the low large problem of pneumatic noise that reaches of heat exchange efficiency of existing parallel-flow evaporator.
the utility model is to realize like this, a kind of fin, be used for parallel-flow evaporator, described fin undulate, described fin comprises some crests section, some trough sections and connect adjacent described crest section and the lamellar body of described trough section, described fin also comprises first group of shutter and the second group of shutter that is symmetricly set on described lamellar body, described first group of shutter is positioned at the windward side of described parallel-flow evaporator, described second group of shutter is positioned at the leeward side of described parallel-flow evaporator, described first group of shutter comprises some the first parallel shutters, described second group of shutter comprises some the second parallel shutters, offer the first ventilating opening between adjacent first shutter of described first group of shutter, offer the second ventilating opening between adjacent second shutter of described second group of shutter, form " eight " word structure between described the first shutter and its symmetrical described the second shutter.
Further, between each first shutter and described lamellar body, formed acute angle scope is 28 ° ~ 35 °.
Further, the length of each first shutter and each the second shutter be all the described crest section of described fin and described trough section vertical height 84% ~ 87%.
Further, the first adjacent shutter respectively and the distance range between the intersecting lens of described lamellar body be 1.15mm ~ 1.35mm, the second adjacent shutter respectively and the distance range between the intersecting lens of described lamellar body be 1.15mm ~ 1.35mm.
Further, the vertical span of the described crest section of described fin and described trough section is 8mm ~ 10.5mm.
Further, the adjacent peaks section of described fin and the trough section vertical distance range on the wave bearing of trend of described fin is 1.15mm ~ 1.3mm.
Further, the width range of described fin is 18mm ~ 26mm, and the thickness range of described fin is 0.09mm ~ 0.1mm.
Further, the adjacent two formed angular range of lamellar body of described fin are 0 ° ~ 10 °.
Another purpose of the present utility model is to provide a kind of parallel-flow evaporator, it comprises two headers and vertical spacing setting and the interior some flat tubes of the described header of opposite end insertion that the horizontal interval arranges, described parallel-flow evaporator also comprises the above-mentioned fin that is located between adjacent two flat tubes, and the crest section of described fin and trough section are fixedly connected on respectively on adjacent two flat tubes.
Further, the width of described fin is greater than the width of described flat tube, described fin has side and leeward side windward, the side windward of described fin is concordant with corresponding first side of described flat tube, the leeward side of described fin exceeds corresponding second side of described flat tube, and described the second side is relative with described the first side.
A purpose more of the present utility model is to provide a kind of domestic air conditioning cabinet-type air conditioner, it comprises casing and is arranged at the interior blower fan of described casing, described domestic air conditioning cabinet-type air conditioner also comprises the above-mentioned parallel-flow evaporator that is arranged in described casing, described parallel-flow evaporator is inclined in the top of described blower fan, and the windward side of described parallel-flow evaporator is towards the air outlet of described blower fan.
When air-flow process parallel-flow evaporator, at first air-flow fully streams between first group of shutter and flat tube, effectively destroys boundary layer of air, strengthens the heat exchange of flat tube side, has improved the heat exchange efficiency of parallel-flow evaporator.Air-flow is when flowing through second group of shutter, and air-flow flows through second group of shutter mainly with the direction that is parallel to each the second shutter greatly, has reduced windage, has increased air output, and heat exchange efficiency further improves, and has eliminated simultaneously the air-out noise of air-flow.
Description of drawings
Fig. 1 is the structural representation of the domestic air conditioning cabinet-type air conditioner that provides of the utility model the first embodiment.
Fig. 2 is the generalized section of A-A along the line of the domestic air conditioning cabinet-type air conditioner of Fig. 1.
Fig. 3 is the enlarged drawing of the square frame B of place of the domestic air conditioning cabinet-type air conditioner of Fig. 2.
Fig. 4 is two flat tubes of parallel-flow evaporator of domestic air conditioning cabinet-type air conditioner of Fig. 1 and the perspective view of the fin between two flat tubes.
Fig. 5 is the front elevational schematic of Fig. 4.
Fig. 6 is the cross-sectional schematic of the C-C along the line of Fig. 4.
Fig. 7 is the schematic top plan view of Fig. 4.
Fig. 8 is the enlarged diagram of one of them lamellar body of the fin of Fig. 6.
Fig. 9 is two flat tubes of parallel-flow evaporator of the domestic air conditioning cabinet-type air conditioner that provides of the utility model the second embodiment and the perspective view of the fin between two flat tubes.
Figure 10 is the front elevational schematic of Fig. 9.
Figure 11 is the part enlarged diagram of the fin of Figure 10.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1 and Fig. 2, the domestic air conditioning cabinet-type air conditioner 100 that the utility model the first embodiment provides comprises casing 10, is arranged at blower fan 20 and parallel-flow evaporator 30 in described casing 10.The top of described casing 10 offers exhaust outlet 11.Described parallel-flow evaporator 30 is inclined in the top of described blower fan 20.The windward side 31 of described parallel-flow evaporator 30 is towards the air outlet 21 of described blower fan 20.The leeward side 32 of described parallel-flow evaporator 30 is towards the exhaust outlet 11 of described casing 10.
Described domestic air conditioning cabinet-type air conditioner 100 is when operation, and blower fan 20 blows out air-flow and enter in parallel-flow evaporator 30 by air outlet 21, after air flow stream is crossed parallel-flow evaporator 30, and is discharged by the exhaust outlet 11 of casing 10.
Please consult simultaneously Fig. 3 and Fig. 4, described parallel-flow evaporator 30 comprises that two headers 35, vertical spacing setting and opposite end that the horizontal interval arranges insert the some flat tubes 36 in described header 35 and be located in fin 40 between adjacent two flat tubes 36.
Please consult simultaneously Fig. 5, described fin 40 undulates.Described fin 40 comprises some crests section 41, some troughs section 42 and connects the lamellar body 43 of adjacent described crest section 41 and described trough section 42.The crest section 41 of described fin 40 and trough section 42 are fixedly connected on respectively on adjacent two flat tubes 36.
Please consult simultaneously Fig. 6 to Fig. 8, described fin 40 also comprises first group of shutter 44 and the second group of shutter 45 that is symmetricly set on described lamellar body 43.Described first group of shutter 44 is positioned at the windward side 31 of described parallel-flow evaporator 30.Described second group of shutter 45 is positioned at the leeward side 32 of described parallel-flow evaporator 30.Described first group of shutter 44 comprises some the first parallel shutters 46.Described second group of shutter 45 comprises some the second parallel shutters 47.Offer the first ventilating opening 48 between adjacent first shutter 46 of described first group of shutter 44.Offer the second ventilating opening 49 between adjacent second shutter 47 of described second group of shutter 45.Form " eight " word structure between described the first shutter 46 and its symmetrical described the second shutter 47.
When air-flow process parallel-flow evaporator 30, at first air-flow fully streams at first group of shutter 44 and 36 of flat tubes, effectively destroys boundary layer of air, strengthens flat tube 36 side heat exchange, has improved the heat exchange efficiency of parallel-flow evaporator 30.Air-flow is when flowing through second group of shutter 45, and air-flow flows through second group of shutter 45 mainly with the direction that is parallel to each the second shutter 47 greatly, has reduced windage, has increased air output, and heat exchange efficiency further improves.Eliminated simultaneously the air-out noise of air-flow.The continuity again of the heat radiation that second group of shutter 45 is first group of shutter 44 guarantees certain wake flow heat radiation.
Particularly, the small noise that the streaming of the air-flow of described first group of shutter 44 and flat tube 36 of flowing through brought is because be not the noise that directly enters people's ear, be not effective noise, and the noise that the air-flow that is flow through by second group of shutter 45 produces can directly enter people's ear, be effective noise.In the utility model, air-flow is when flowing through second group of shutter 45, air-flow flows through second group of shutter 45 mainly with the direction that is parallel to each the second shutter 47 greatly, and the collision of air-flow and second group of shutter 45 reduces, thereby has reduced to enter the noise decibel of people's ear.
Please again consult Fig. 6 and Fig. 7, the width W of described fin 40 is greater than the width w of described flat tube 36.Described fin 40 has side 50 and leeward side 51 windward.The side windward 50 of described fin 40 is concordant with corresponding first side 33 of described flat tube 36.The leeward side 51 of described fin 40 exceeds corresponding second side 34 of described flat tube 36, that is, the part of described fin 40 exceeds described flat tube 36, and particularly, the part of second group of shutter 45 exceeds described flat tube 36.Described the second side 34 is relative with described the first side 33.In the present embodiment, each lamellar body 43 of described fin 40 is parallel to each other, and the adjacent two formed angles of lamellar body 43 of described fin 40 are 0 °; Each lamellar body 43 is perpendicular to described flat tube 36.
Please again consult Fig. 8, the design parameter of described fin 40 arranges as follows:
Between each first shutter 46 and described lamellar body 43, formed sharp angle α scope is 28 ° ~ 35 °.The length L of each the first shutter 46 and each the second shutter 47 be all described fin 40 described crest section 41 and described trough section 42 vertical height H 84% ~ 87%.The described crest section 41 of described fin 40 is 8mm ~ 10.5mm with the vertical height H scope of described trough section 42.The first adjacent shutter 46 respectively with the intersecting lens of described lamellar body 43 between distance and adjacent the second shutter 47 identical with the distance between the intersecting lens of described lamellar body 43 respectively.The first adjacent shutter 46 respectively and the distance L p scope between the intersecting lens of described lamellar body 43 be 1.15mm ~ 1.35mm, the second adjacent shutter 47 respectively and the distance L p scope between the intersecting lens of described lamellar body 43 be also 1.15mm ~ 1.35mm.Adjacent peaks section 41 and the vertical range h scope of trough section 42 on the wave bearing of trend of described fin 40 of described fin 40 are 1.15mm ~ 1.3mm.The width W scope of described fin 40 is 18mm ~ 26mm, and the thickness range of described fin 40 is 0.09mm ~ 0.1mm.
The domestic air conditioning cabinet-type air conditioner 100 of the utility model the first embodiment has provided the 40 parameter settings of two groups of concrete fins, and is specific as follows:
First group of fin 40 parameter setting:
the width w=16mm of flat tube 36, width W=the 20mm of fin 40, adjacent peaks section 41 and the trough vertical range h=1.15mm of section 42 on the wave bearing of trend of described fin 40 of described fin 40, fin 40 thickness=0.1mm, shutter entrance region length S1=1.2mm, shutter turns to section length S2=1.4mm, shutter outlet area S3 length=1.2mm, the vertical height H=9mm of the described crest section 41 of described fin 40 and described trough section 42, each the first shutter 46 length L=7.65mm, each the second shutter 47 length L=7.65mm, formed sharp angle α=30 ° between the first shutter 46 and lamellar body 43, the first adjacent shutter 46 respectively and the distance L p=1.35mm between the intersecting lens of described lamellar body 43, the second adjacent shutter 47 respectively and the distance L p=1.35mm between the intersecting lens of described lamellar body 43.
the setting of this group parameter is applicable to the parallel-flow evaporator 30 of 2 domestic air conditioning cabinet-type air conditioners 100, by the appropriate design to fin 40 parameters, fin 40 exceeds the part of flat tube 36 at parallel-flow evaporator 30 lee faces, the part of fin 40 windward sides is concordant with flat tube 36, air-flow is first through first group of shutter 44 side, and then through second group of shutter 45 side, when air-flow skims over fin 40, formed temperature field and Flow Field Distribution are tending towards reasonable more, windage is less, air quantity is larger, heat exchange efficiency is higher, improved simultaneously the different sound of uttering long and high-pitched sounds of cabinet-type air conditioner air-flow, improve the room comfortableness.
Second group of fin 40 parameter setting:
the width w=18mm of flat tube 36, width W=the 25mm of fin 40, adjacent peaks section 41 and the trough vertical range h=1.2mm of section 42 on the wave bearing of trend of described fin 40 of described fin 40, fin 40 thickness=0.09mm, shutter entrance region length S1=1.2mm, shutter turns to section length S2=1mm, shutter outlet area S3 length=1.2mm, the vertical height H=8.1mm of the described crest section 41 of described fin 40 and described trough section 42, each the first shutter 46 length L=6.9mm, each the second shutter 47 length L=6.9mm, formed sharp angle α=30 ° between the first shutter 46 and lamellar body 43, the first adjacent shutter 46 respectively and the distance L p=1.1mm between the intersecting lens of described lamellar body 43 and adjacent the second shutter 47 respectively and the distance L p=1.1mm between the intersecting lens of described lamellar body 43.
The parallel-flow evaporator 30 that the parallel-flow evaporator 30 that second group of fin 40 parameter be set arranges first group of fin 40 parameter has higher lifting aspect heat exchange property, be applicable to the Household cabinet air conditioner product of higher refrigerating capacity demand.
See also Fig. 9 to Figure 11, the domestic air conditioning cabinet-type air conditioner 100 that the domestic air conditioning cabinet-type air conditioner that the utility model the second embodiment provides and the utility model the first embodiment provide is roughly the same, its difference is: the adjacent two lamellar body 43a shapes of described fin 40a are at a certain angle, and wherein the adjacent two formed angle β of lamellar body 43a scopes are 0 ° ~ 10 °.Two groups of concrete fins, the 40 parameter settings that the domestic air conditioning cabinet-type air conditioner 100 of the utility model the first embodiment provides are applicable to the domestic air conditioning cabinet-type air conditioner 100 that the utility model the second embodiment provides too.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. fin, be used for parallel-flow evaporator, described fin undulate, described fin comprises some crests section, some trough sections and connect adjacent described crest section and the lamellar body of described trough section, it is characterized in that: described fin also comprises first group of shutter and the second group of shutter that is symmetricly set on described lamellar body, described first group of shutter is positioned at the windward side of described parallel-flow evaporator, described second group of shutter is positioned at the leeward side of described parallel-flow evaporator, described first group of shutter comprises some the first parallel shutters, described second group of shutter comprises some the second parallel shutters, offer the first ventilating opening between adjacent first shutter of described first group of shutter, offer the second ventilating opening between adjacent second shutter of described second group of shutter, form " eight " word structure between described the first shutter and its symmetrical described the second shutter.
2. fin as claimed in claim 1, it is characterized in that: between each first shutter and described lamellar body, formed acute angle scope is 28 ° ~ 35 °.
3. fin as claimed in claim 1 or 2 is characterized in that: the length of each first shutter and each the second shutter be all the described crest section of described fin and described trough section vertical height 84% ~ 87%.
4. fin as claimed in claim 1 or 2, it is characterized in that: the first adjacent shutter respectively and the distance range between the intersecting lens of described lamellar body be 1.15mm ~ 1.35mm, the second adjacent shutter respectively and the distance range between the intersecting lens of described lamellar body be 1.15mm ~ 1.35mm.
5. fin as claimed in claim 1 or 2 is characterized in that: the vertical span of the described crest section of described fin and described trough section is 8mm ~ 10.5mm.
6. fin as claimed in claim 1 or 2, it is characterized in that: the adjacent peaks section of described fin and the trough section vertical distance range on the wave bearing of trend of described fin is 1.15mm ~ 1.3mm.
7. fin as claimed in claim 1 or 2, it is characterized in that: the width range of described fin is 18mm ~ 26mm, the thickness range of described fin is 0.09mm ~ 0.1mm.
8. fin as claimed in claim 1 or 2, it is characterized in that: the adjacent two formed angular range of lamellar body of described fin are 0 ° ~ 10 °.
9. parallel-flow evaporator, it comprises two headers and vertical spacing setting and the interior some flat tubes of the described header of opposite end insertion that the horizontal interval arranges, it is characterized in that: described parallel-flow evaporator also comprise be located between adjacent two flat tubes as the described fin of claim 1-8 any one, the crest section of described fin and trough section are fixedly connected on respectively on adjacent two flat tubes.
10. parallel-flow evaporator as claimed in claim 9, it is characterized in that: the width of described fin is greater than the width of described flat tube, described fin has side and leeward side windward, the side windward of described fin is concordant with corresponding first side of described flat tube, the leeward side of described fin exceeds corresponding second side of described flat tube, and described the second side is relative with described the first side.
11. domestic air conditioning cabinet-type air conditioner, it comprises casing and is arranged at the interior blower fan of described casing, it is characterized in that: described domestic air conditioning cabinet-type air conditioner also comprises the parallel-flow evaporator as claim 9 or 10 that is arranged in described casing, described parallel-flow evaporator is inclined in the top of described blower fan, and the windward side of described parallel-flow evaporator is towards the air outlet of described blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576104 CN202928430U (en) | 2012-11-02 | 2012-11-02 | Fin, parallel-flow evaporator and household cabinet air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576104 CN202928430U (en) | 2012-11-02 | 2012-11-02 | Fin, parallel-flow evaporator and household cabinet air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928430U true CN202928430U (en) | 2013-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220576104 Expired - Lifetime CN202928430U (en) | 2012-11-02 | 2012-11-02 | Fin, parallel-flow evaporator and household cabinet air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202928430U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277945A (en) * | 2013-05-27 | 2013-09-04 | 扬州杰信车用空调有限公司 | Bus evaporator |
| CN108369076A (en) * | 2015-07-17 | 2018-08-03 | 法雷奥热系统公司 | Include the fin heat exchanger of improved louvre blade |
| CN115387899A (en) * | 2022-08-26 | 2022-11-25 | 重庆长安汽车股份有限公司 | Louver fin structure for heat exchanger |
-
2012
- 2012-11-02 CN CN 201220576104 patent/CN202928430U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277945A (en) * | 2013-05-27 | 2013-09-04 | 扬州杰信车用空调有限公司 | Bus evaporator |
| CN108369076A (en) * | 2015-07-17 | 2018-08-03 | 法雷奥热系统公司 | Include the fin heat exchanger of improved louvre blade |
| CN115387899A (en) * | 2022-08-26 | 2022-11-25 | 重庆长安汽车股份有限公司 | Louver fin structure for heat exchanger |
| CN115387899B (en) * | 2022-08-26 | 2023-08-22 | 重庆长安汽车股份有限公司 | Shutter fin structure for heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131129 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: GD MIDEA HOLDING CD., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |