CN202885629U - Heat exchange fins for air condition heat exchanger - Google Patents
Heat exchange fins for air condition heat exchanger Download PDFInfo
- Publication number
- CN202885629U CN202885629U CN 201220325440 CN201220325440U CN202885629U CN 202885629 U CN202885629 U CN 202885629U CN 201220325440 CN201220325440 CN 201220325440 CN 201220325440 U CN201220325440 U CN 201220325440U CN 202885629 U CN202885629 U CN 202885629U
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- Prior art keywords
- heat exchange
- air
- heat exchanger
- exchange fin
- collar
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Abstract
The utility model discloses heat exchange fins for an air condition heat exchanger. The heat exchange fins are composed of a plurality of heat exchange units. Each heat exchange unit comprises blind window structures and lantern rings arranged between the neighboring blind window structures, and the lantern rings are matched with an air condition pipeline for conveying coolants in use. The heat exchange fins are provided with a plurality of inclined blind window pieces, the blind window pieces can damage boundary layers of air flow on the fins and improve turbulent flow effect of the air flow, and therefore heat exchange of the fins is improved. Rectangular notches are arranged in the middle portions of the blind window pieces close to the edges, and do not separate all the blind window pieces. The heat exchange fins guarantee proper mechanical strength of the fins, and effectively improved heat exchange efficiency of the fins.
Description
Technical field
The utility model relates to the technical field of air-conditioner in the electric equipment, particularly a kind of air conditioner small caliber fin-tube type heat exchanger heat exchange fin.
Background technology
For energy-conservation and material-saving, the at present more and more miniaturization of design of heat exchanger.The better method of realizing the heat exchanger miniaturization is exactly to use the less riffled tube of caliber to replace caliber 7mm that existing air-conditioner generally adopts and above riffled tube.But along with outer diameter tube change from big to small, the increase of pipe flows inside resistance, reducing of contact area makes the heat exchange property of heat exchanger along with decay.
Be to improve efficiency, generally adopt the heat exchange area that increases heat exchanger, add the measure such as Wind Volume, but these measure meetings increase the manufacturing cost of air-conditioner greatly.Find in the research of fin-tube type heat exchanger, the heat exchange property of heat exchanger depends primarily on the heat exchanger fin thermal resistance that contacts with air, and air side heat exchange resistance accounts for about 60% of whole heat exchanger thermal resistance.Therefore, strengthen the heat exchange of air side, the heat exchange of fin just becomes highly significant around the emphasis enhanced tube fin heat exchanger pipe.
In the prior art, be used for 5mm caliber even the heat exchange fin of pipe with small pipe diameter more, substantially can not change the flow direction of air, air flows perpendicular to fin usually.When caliber directly is transformed into 5mm caliber or pipe with small pipe diameter and used fin is not carried out again development and Design more from 7mm, the heat exchange property of heat exchanger does not often reach requirement.
The utility model content
In order to improve the turbulent effect of Air Flow, reduce the thermal resistance of air side, improve the performance of heat exchanger, technical problem to be solved in the utility model provides a kind of air-condition heat exchanger heat exchange fin for the 5mm pipe with small pipe diameter.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: heat exchange fin is comprised of some heat exchange units, wherein each heat exchange unit contains shutter and the collar between adjacent shutter, and the pipeline that the described collar and air-conditioner transmit refrigerant is used in conjunction with.Fin material is aluminium foil, and aluminum foil thickness T is 0.09～0.105mm.
Preferably, turn over half blinds window under described shutter comprises, on turn over half blinds window and some full louvers, and this shutter is symmetric along the line of two collar central points.
Preferably, turn over half blinds window under described, on turn over half blinds window, full louver is with the vertical line left-right symmetry of the line mid point of adjacent two collar central points, certain space is arranged between the adjacent window, form air duct, the width W 2 in space is 1.0～1.5mm.
Preferably, be provided with the rectangle breach in the middle of the submarginal louver, this breach blocks into two sections with louver, and breach does not block all louvers.Described breach is symmetrical up and down with the line at adjacent two collar centers, reaches the vertical line left-right symmetry distribution with the line mid point of adjacent two collar central points.
Preferably, the angle R3 of described louver and horizontal plane is 22～26 °, and the width L of relative level face is 1.0～1.5mm.
Preferably, from the fin edges ecto-entad, the length edge of outside louver and the collar line of centres be R2 at an angle, and R2 is between 45～60 °; It is the center of circle that the length of inboard louver extends to close on collar center, and radius R 1 is the rounded edge of 4～5mm, and the edge line of outside fin and inboard fin is smooth curve.
Preferably, described breach extends y1=1～2.6mm inwards by half blinds window, 101 edges, the outside, and the transverse width y2=1～3mm of this breach.
Preferably, the described collar comprises the first bell mouth shape annulus, the second bell mouth shape annulus, stepped annular transition structure and cover annular distance; Described the first bell mouth shape annulus one end connects described cover annular distance, and the other end is opening.Described the second bell mouth shape annulus one end connects described cover annular distance, and the other end links to each other with heat exchange fin by annular transition structure.
Preferably, the height H 2 of described cover annular distance is 1.2～1.7mm, the first bell mouth shape annulus knuckle radius R4 is that the annulus knuckle radius R5 of 0.3mm, the second bell mouth shape annulus is 0.2mm, and the inside diameter D 2 of annular transition structure is 6.8mm, and height H 1 is 0.1～0.3mm.
Preferably, the center distance Pt between the described adjacent collar 200 is 16～19mm, and collar flange height H is 1.3～2.0mm, and cover annular distance 202 inside diameter D 1 are 5.2～5.3mm.
Preferably, the width Pw of described heat exchange fin is 13.6～14.5mm, and the quantity of collar axial line one side louver is the 4-8 bar.
The utility model has following beneficial effect with respect to prior art:
1. the utility model arranges louver by the fin around pipe, and shutter horizontal width L is 1.0～1.5mm, can destroy the boundary layer of air-flow on fin, adds the turbulent effect of air blast, thereby has strengthened the heat exchange of fin.
2. be provided with the rectangle breach in the middle of the submarginal louver, this breach blocks into two sections with louver, to guarantee its mechanical strength.
3. emargintion does not block all louvers, can not weaken the disturbance to air-flow to guarantee this breach.
4. the annulus knuckle radius of the second bell mouth shape annulus is reduced to 0.2mm, guarantees in the situation that collar height is certain, and the collar increases 5%～8% with the contact area that transmits refrigerant pipe, thereby has increased heat exchange area, improves the heat exchanger heat exchange property.
Description of drawings
Fig. 1 is the heat exchange fin structural plan figure that the utility model air-condition heat exchanger is used heat exchange fin;
Fig. 2 is the structure distribution figure that the utility model air-condition heat exchanger is used the shutter unit of heat exchange fin;
Fig. 3 is the collar 200 composition diagrams that the utility model air-condition heat exchanger is used heat exchange fin;
Fig. 4 is that the A-A of Fig. 1 is to left view;
Fig. 5 is many rows heat exchange fin structural representation that the utility model air-condition heat exchanger is used heat exchange fin.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but the embodiment of utility model is not limited to this.
Shown in Fig. 1,2,3 and 4, a kind of air-condition heat exchanger heat exchange fin, heat exchange fin comprises some heat exchange units, and wherein each heat exchange unit contains shutter 100 and the collar between adjacent shutter 200, and the described collar 200 is used in conjunction with the pipeline that air-conditioner transmits refrigerant.
Turn over half blinds window 101 under shutter 100 comprises, on turn over half blinds window 103 and some full louvers 102, and this shutter 100 is symmetric along the line of two collar 200 central points.The width Pw of heat exchange fin is 13.6～14.5mm, and fin material is aluminium foil, and aluminum foil thickness T is 0.09～0.105mm.Pw=14.5mm in the present embodiment, T=0.1mm.
Under turn over half blinds window 101, on turn over half blinds window 103, full louver 102 has certain space with the vertical line left-right symmetry of the line mid point of adjacent two collar central points between the adjacent window, form air duct 300, the width W 2 in space is 1.0～1.5mm.W2=1.3mm in the present embodiment.
Be provided with rectangle breach 3 in the middle of the submarginal louver 101 and 102, this breach blocks into two sections with louver, and breach does not block all louvers.
Louver 101,102 and 103 and the angle R3 of horizontal plane be 22～26 °, the L of projection width of relative level face is 1.0～1.5mm.In the present embodiment R3=25 °, L=1.3mm.
From the fin edges ecto-entad, the length edge of outside louver and the collar line of centres be R2=45～60 ° at an angle; It is the center of circle that the length of inboard louver extends to close on collar center, and radius R 1 is the rounded edge of 4～5mm, and the edge line of outside fin and inboard fin is smooth curve.In the present embodiment R2=60 °, R1=4.5mm.
The collar 200 comprises the first bell mouth shape annulus 201, the second bell mouth shape annulus 203, stepped annular transition structure 204 and cover annular distance 202; Described the first bell mouth shape annulus 201 1 ends connect described cover annular distance 202, and the other end is opening.Described the second bell mouth shape annulus 203 1 ends connect described cover annular distance 202, and the other end links to each other with heat exchange fin by annular transition structure 204.
The height H 2 of cover annular distance 202 is 1.2～1.7mm, and the first bell mouth shape annulus 201 knuckle radius R4 are that the annulus knuckle radius R5 of 0.3mm, the second bell mouth shape annulus 203 is 0.2mm, and the inside diameter D 2 of annular transition structure is 6.8mm, and height H 1 is 0.1～0.3mm.H2=1.3mm in the present embodiment, H1=0.2mm.
Center distance Pt between the adjacent collar 200 is 16～19mm, and collar flange height H is 1.3～2.0mm, and cover annular distance 202 inside diameter D 1 are 5.2～5.3mm.H=1.7mm in the present embodiment, Pt=17.4mm, D1=5.2mm.
The quantity of the louver of the collar 200 axial line one side is 4～8.Preferably, window quantity is 5 in the present embodiment.
The present embodiment is except following feature, other are all identical with embodiment 1: as shown in Figure 5, this heat exchange fin is expanded as the unit take the heat exchange fin among the embodiment 1 and is formed double, three row or more row's heat exchange fins, and also can combine with the heat exchange fin of other versions forms combined heat exchange fin.
Above-described embodiment is preferred embodiment of the present utility model only, is not to limit practical range of the present utility model.Be that all equalizations of doing according to the utility model content change and modification, all contained by the utility model claim scope required for protection.
Claims (15)
1. air-condition heat exchanger heat exchange fin, it is characterized in that, described heat exchange fin is comprised of some heat exchange units, wherein each described heat exchange unit contains shutter (100) and the collar between adjacent shutter (200), and the described collar (200) is used in conjunction with the pipeline that air-conditioner transmits refrigerant.
2. air-condition heat exchanger heat exchange fin according to claim 1, it is characterized in that: turn over half blinds window (101) under described shutter (100) comprises, on turn over half blinds window (103) and some full louvers (102), and this shutter (100) is symmetric along the line of two collars (200) central point.
3. air-condition heat exchanger heat exchange fin according to claim 1 and 2, it is characterized in that: described fin material is aluminium foil, aluminum foil thickness (T) is 0.09～0.105mm.
4. air-condition heat exchanger heat exchange fin according to claim 2, it is characterized in that: turn over half blinds window (101) under described, on turn over half blinds window (103), full louver (102) is with the vertical line left-right symmetry of the line mid point of adjacent two collar central points, certain space is arranged between the adjacent louver, form air duct (300), the width in space (W2) is 1.0～1.5mm.
5. air-condition heat exchanger heat exchange fin according to claim 4, it is characterized in that: submarginal louver (101,102) be provided with rectangle breach (3) in the middle of, this breach blocks into two sections with louver, and breach does not block all louvers.
6. air-condition heat exchanger heat exchange fin according to claim 5, it is characterized in that: described breach (3) is symmetrical up and down with the line at adjacent two collars (200) center, reaches the vertical line left-right symmetry distribution with the line mid point of adjacent two collar central points.
7. according to claim 2 or 4 described air-condition heat exchanger heat exchange fins, it is characterized in that: described louver (101,102,103) is 22～26 ° with the angle (R3) of horizontal plane, and the width of relative level face (L) is 1.0～1.5mm.
8. according to claim 2, the described air-condition heat exchanger heat exchange fin of 4,5 or 7 any one, it is characterized in that: from the fin edges ecto-entad, the length edge of outside louver and the collar line of centres be (R2) at an angle, and this angle (R2) is 45～60 °; It is the center of circle that the length of inboard louver extends to close on collar center, and radius (R1) is the rounded edge of 4～5mm, and the edge line of outside fin and inboard fin is smooth curve.
9. according to claim 5 or 6 described air-condition heat exchanger heat exchange fins, it is characterized in that: described breach (3) extends (y1)=1～2.6mm inwards by half blinds window (101) edge, the outside, and the transverse width of this breach (y2)=1～3mm.
10. air-condition heat exchanger heat exchange fin according to claim 1 is characterized in that: the described collar (200) comprises the first bell mouth shape annulus (201), the second bell mouth shape annulus (203), stepped annular transition structure (204) and cover annular distance (202); Described the first bell mouth shape annulus (201) one ends connect described cover annular distance (202), and the other end is opening; Described the second bell mouth shape annulus (203) one ends connect described cover annular distance (202), and the other end links to each other with described heat exchange fin by annular transition structure (204).
11. air-condition heat exchanger heat exchange fin according to claim 10, it is characterized in that: the height (H2) of described cover annular distance (202) is 1.2～1.7mm, the first bell mouth shape annulus (201) knuckle radius (R4) is that the annulus knuckle radius (R5) of 0.3mm, the second bell mouth shape annulus (203) is 0.2mm, the internal diameter (D2) of annular transition structure is 6.8mm, and highly (H1) is 0.1～0.3mm.
12. according to claim 1, the described air-condition heat exchanger heat exchange fin of 10 or 11 any one, it is characterized in that: the center distance (Pt) between the described adjacent collar (200) is 16～19mm, collar flange height (H) is 1.3～2.0mm, and cover annular distance (202) internal diameter (D1) is 5.2～5.3mm.
13. the described air-condition heat exchanger heat exchange fin of any one according to claim 1～12, it is characterized in that: the quantity of the louver of the collar (200) axial line one side is 4～8.
14. the described air-condition heat exchanger heat exchange fin of any one according to claim 1～13, it is characterized in that: the width of described heat exchange fin (Pw) is 13.6～14.5mm.
15. a combination heat exchange fin comprises some such as the described heat exchange fin of claim 1-14 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325440 CN202885629U (en) | 2012-07-06 | 2012-07-06 | Heat exchange fins for air condition heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325440 CN202885629U (en) | 2012-07-06 | 2012-07-06 | Heat exchange fins for air condition heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885629U true CN202885629U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220325440 Expired - Fee Related CN202885629U (en) | 2012-07-06 | 2012-07-06 | Heat exchange fins for air condition heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202885629U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735090A (en) * | 2012-07-06 | 2012-10-17 | 海信科龙电器股份有限公司 | Heat exchange fin for air-conditioning heat exchanger |
| CN111536822A (en) * | 2020-05-20 | 2020-08-14 | 广东美的白色家电技术创新中心有限公司 | Fin, heat exchanger and air conditioner |
| US11592238B2 (en) | 2017-11-23 | 2023-02-28 | Watergen Ltd. | Plate heat exchanger with overlapping fins and tubes heat exchanger |
-
2012
- 2012-07-06 CN CN 201220325440 patent/CN202885629U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735090A (en) * | 2012-07-06 | 2012-10-17 | 海信科龙电器股份有限公司 | Heat exchange fin for air-conditioning heat exchanger |
| US11592238B2 (en) | 2017-11-23 | 2023-02-28 | Watergen Ltd. | Plate heat exchanger with overlapping fins and tubes heat exchanger |
| CN111536822A (en) * | 2020-05-20 | 2020-08-14 | 广东美的白色家电技术创新中心有限公司 | Fin, heat exchanger and air conditioner |
| CN111536822B (en) * | 2020-05-20 | 2022-02-22 | 广东美的白色家电技术创新中心有限公司 | Fin, heat exchanger and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent of Guangdong Kelong Air Conditioner Co.,Ltd. The person in charge Document name: payment instructions |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent of Guangdong Kelong Air Conditioner Co.,Ltd. The person in charge Document name: Notice of termination of patent right |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20210706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |