CN102735090A - Heat exchange fin for air-conditioning heat exchanger - Google Patents
Heat exchange fin for air-conditioning heat exchanger Download PDFInfo
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- CN102735090A CN102735090A CN2012102328083A CN201210232808A CN102735090A CN 102735090 A CN102735090 A CN 102735090A CN 2012102328083 A CN2012102328083 A CN 2012102328083A CN 201210232808 A CN201210232808 A CN 201210232808A CN 102735090 A CN102735090 A CN 102735090A
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Abstract
The invention discloses a heat exchange fin for an air-conditioning heat exchanger. The heat exchange fin comprises a plurality of heat exchange units, wherein each heat exchange unit comprises shutter structures and each lantern ring between each two adjacent shutter structures; and the lantern rings are matched with a pipeline through which a refrigerant is conveyed in an air-conditioner for use. A plurality of inclined shutter pieces are arranged on the heat exchange fin, and because of the shutters, the boundary layers of air flow on the fin are damaged, the turbulent flow effect of the air flow is enhanced, and thus the heat exchange of the fin is enhanced. A rectangular notch is formed in the middle of the shutter piece close to the edge, and not all the shutter pieces are isolated by the notch. According to the invention, the essential mechanical strength of the fin is ensured, and the heat exchange efficiency of the fin is improved.
Description
Technical field
The present invention 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 is used heat exchange fin.
Background technology
For energy-conservation and material-saving, the more and more miniaturization of design of heat exchanger at present.The better method that realizes the heat exchanger miniaturization just is to use the littler 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, the reducing of contact area, the heat exchange property that makes heat exchanger is along with decay.
For improving efficiency, generally measure such as the heat exchange area of employing increase heat exchanger, increasing air quantity, but these measure meetings increase manufacturing cost of air conditioner greatly.Find that 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, 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 the heat exchange fin of 5mm caliber even littler caliber, can not change the flow direction of air basically, air flows perpendicular to fin usually.When directly being transformed into 5mm caliber or littler caliber to caliber from 7mm and used fin is not carried out development and Design again, the heat exchange property of heat exchanger does not often reach requirement.
Summary of the invention
In order to improve the turbulent effect that air flows, reduce the thermal resistance of air side, improve the performance of heat exchanger, technical problem to be solved by this invention provides the air-condition heat exchanger of the little caliber of a kind of 5mm of being used for and uses heat exchange fin.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: heat exchange fin is made up of some heat exchange units; Wherein each heat exchange unit contains the shutter and the collar between adjacent shutter, and the pipeline that the said collar and air-conditioner transmit refrigerant is used.Fin material is an aluminium foil, and aluminum foil thickness T is 0.09～0.105mm.
Preferably, turn over fifty leaf window under said shutter comprises, on turn over fifty leaf window and some full louvers, and this shutter is symmetrical distribution along the line of two collar central points.
Preferably, turn over fifty leaf window under said, on turn over fifty leaf window; Full louver is with the vertical line left-right symmetric of the line mid point of adjacent two collar central points; Between the adjacent window certain gap is arranged, 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.Said breach is symmetrical distribution up and down with the line at adjacent two collar centers, reaches the vertical line left-right symmetric distribution with the line mid point of adjacent two collar central points.
Preferably, the angle R3 of said louver and horizontal plane is 22～26 °, and the width L of horizontal plane is 1.0～1.5mm relatively.
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 a smooth curve.
Preferably, said breach extends y1=1～2.6mm inwards by fifty leaf window, 101 edges, the outside, and the transverse width y2=1～3mm of this breach.
Preferably, the said collar comprises the first bell mouth shape annulus, the second bell mouth shape annulus, stepped annular transition structure and cover annular distance; The said first bell mouth shape annulus, one end connects said cover annular distance, and the other end is an opening.The said second bell mouth shape annulus, one end connects said cover annular distance, and the other end links to each other with heat exchange fin through annular transition structure.
Preferably; The height H 2 of said 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 said 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 said heat exchange fin is 13.6～14.5mm, and the quantity of collar axial line one side louver is the 4-8 bar.
The present invention has following beneficial effect with respect to prior art:
1. the present invention is through being provided with louver on the fin around the 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 under the certain situation of collar height, 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 of air-condition heat exchanger of the present invention with heat exchange fin;
Fig. 2 is the structure distribution figure of air-condition heat exchanger of the present invention with the shutter unit of heat exchange fin;
Fig. 3 is the collar 200 composition diagrams of air-condition heat exchanger of the present invention with heat exchange fin;
Fig. 4 is that the A-A of Fig. 1 is to left view;
Fig. 5 is the many row heat exchange fin structural representation of air-condition heat exchanger of the present invention with heat exchange fin.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, but the working of an invention mode is not limited thereto.
Be depicted as a kind of novel air-condition heat exchanger like Fig. 1,2,3 and 4 and use heat exchange fin; Heat exchange fin comprises some heat exchange units; Wherein each heat exchange unit contains the shutter 100 and the collar between adjacent shutter 200, and the said collar 200 is used with the pipeline that air-conditioner transmits refrigerant.
Turn over fifty leaf window 101 under shutter 100 comprises, on turn over fifty leaf window 103 and some full louvers 102, and this shutter 100 is symmetrical distribution 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 an 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 fifty leaf window 101; On turn over fifty leaf window 103, full louver 102 has certain gap with the vertical line left-right symmetric 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 horizontal plane is 1.0～1.5mm relatively.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 a 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; The said first bell mouth shape annulus, 201 1 ends connect said cover annular distance 202, and the other end is an opening.The said second bell mouth shape annulus, 203 1 ends connect said cover annular distance 202, and the other end links to each other with heat exchange fin through 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.
Present embodiment is except that following characteristic; Other are all identical with embodiment 1: as shown in Figure 5; This heat exchange fin is that the unit is expanded and formed double, three rows or more row's heat exchange fins with the heat exchange fin among the embodiment 1, also can combine with the heat exchange fin of other versions and form combined heat exchange fin.
The foregoing description is merely preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention.Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (15)
1. an air-condition heat exchanger is used heat exchange fin; It is characterized in that; Said heat exchange fin is made up of some heat exchange units; Wherein each said heat exchange unit contains the shutter (100) and the collar between adjacent shutter (200), and the said collar (200) is used with the pipeline that air-conditioner transmits refrigerant.
2. air-condition heat exchanger according to claim 1 is used heat exchange fin; It is characterized in that: turn over fifty leaf window (101) under said shutter (100) comprises; On turn over fifty leaf window (103) and some full louvers (102), and this shutter (100) is symmetrical distribution along the line of two collars (200) central points.
3. air-condition heat exchanger according to claim 1 and 2 is used heat exchange fin, it is characterized in that: said fin material is an aluminium foil, and aluminum foil thickness (T) is 0.09～0.105mm.
4. air-condition heat exchanger according to claim 2 is used heat exchange fin; It is characterized in that: turn over fifty leaf window (101) under said; On turn over fifty leaf window (103), full louver (102) has certain gap with the vertical line left-right symmetric of the line mid point of adjacent two collar central points between the adjacent louver; Form air duct (300), the width in space (W2) is 1.0～1.5mm.
5. air-condition heat exchanger according to claim 4 is used heat exchange fin, it is characterized in that: be provided with rectangle breach (3) in the middle of the submarginal louver (101,102), this breach blocks into two sections with louver, and breach does not block all louvers.
6. air-condition heat exchanger according to claim 5 is used heat exchange fin; It is characterized in that: said breach (3) is symmetrical distribution up and down with the line at adjacent two collars (200) center, reaches the vertical line left-right symmetric distribution with the line mid point of adjacent two collar central points.
7. use heat exchange fin according to claim 2 or 4 described air-condition heat exchangers, it is characterized in that: said louver (101,102,103) is 22～26 ° with the angle (R3) of horizontal plane, and the width (L) of horizontal plane is 1.0～1.5mm relatively.
8. use heat exchange fin according to claim 2,4,5 or 7 any described air-condition heat exchangers; 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 a smooth curve.
9. use heat exchange fin according to claim 5 or 6 described air-condition heat exchangers, it is characterized in that: said breach (3) extends (y1)=1～2.6mm inwards by fifty leaf window (101) edge, the outside, and the transverse width of this breach (y2)=1～3mm.
10. air-condition heat exchanger according to claim 1 is used heat exchange fin, it is characterized in that: the said 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); The said first bell mouth shape annulus (201) one ends connect said cover annular distance (202), and the other end is an opening; The said second bell mouth shape annulus (203) one ends connect said cover annular distance (202), and the other end links to each other with said heat exchange fin through annular transition structure (204).
11. air-condition heat exchanger according to claim 10 is used heat exchange fin; It is characterized in that: the height (H2) of said cover annular distance (202) is 1.2～1.7mm; 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. use heat exchange fin according to claim 1,10 or 11 any described air-condition heat exchangers; It is characterized in that: the center distance (Pt) between the said 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. use heat exchange fin according to any described air-condition heat exchanger of 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. use heat exchange fin according to any described air-condition heat exchanger of claim 1～13, it is characterized in that: the width of said heat exchange fin (Pw) is 13.6～14.5mm.
15. a combination heat exchange fin comprises some like any described heat exchange fin of claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102328083A CN102735090A (en) | 2012-07-06 | 2012-07-06 | Heat exchange fin for air-conditioning heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102328083A CN102735090A (en) | 2012-07-06 | 2012-07-06 | Heat exchange fin for air-conditioning heat exchanger |
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| CN102735090A true CN102735090A (en) | 2012-10-17 |
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| CN2012102328083A Pending CN102735090A (en) | 2012-07-06 | 2012-07-06 | Heat exchange fin for air-conditioning heat exchanger |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743107A (en) * | 2014-01-06 | 2014-04-23 | 无锡市林志热交换器有限公司 | Efficient heat absorption fin for fuel gas wall hanging stove |
| CN103851716A (en) * | 2012-11-28 | 2014-06-11 | 苏州昆拓热控系统股份有限公司 | High-effect cabinet air conditioner |
| CN103913092A (en) * | 2014-03-20 | 2014-07-09 | 丹佛斯微通道换热器（嘉兴）有限公司 | Fin and heat exchanger |
| CN109028659A (en) * | 2018-06-26 | 2018-12-18 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
| CN109470076A (en) * | 2017-09-08 | 2019-03-15 | 美的集团股份有限公司 | Fin and heat exchanger |
| CN113739617A (en) * | 2020-05-29 | 2021-12-03 | 宁波奥克斯电气股份有限公司 | Fin sheet, fin, manufacturing method of fin and air conditioner |
| CN114526630A (en) * | 2022-01-19 | 2022-05-24 | 常州市常蒸热交换器科技有限公司 | Small-diameter finned heat exchanger |
| CN115435611A (en) * | 2021-06-02 | 2022-12-06 | 约克广州空调冷冻设备有限公司 | Heat exchanger and fin thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851716A (en) * | 2012-11-28 | 2014-06-11 | 苏州昆拓热控系统股份有限公司 | High-effect cabinet air conditioner |
| CN103743107A (en) * | 2014-01-06 | 2014-04-23 | 无锡市林志热交换器有限公司 | Efficient heat absorption fin for fuel gas wall hanging stove |
| CN103913092A (en) * | 2014-03-20 | 2014-07-09 | 丹佛斯微通道换热器（嘉兴）有限公司 | Fin and heat exchanger |
| CN109470076A (en) * | 2017-09-08 | 2019-03-15 | 美的集团股份有限公司 | Fin and heat exchanger |
| CN109028659A (en) * | 2018-06-26 | 2018-12-18 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
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| CN113739617A (en) * | 2020-05-29 | 2021-12-03 | 宁波奥克斯电气股份有限公司 | Fin sheet, fin, manufacturing method of fin and air conditioner |
| CN115435611A (en) * | 2021-06-02 | 2022-12-06 | 约克广州空调冷冻设备有限公司 | Heat exchanger and fin thereof |
| CN114526630A (en) * | 2022-01-19 | 2022-05-24 | 常州市常蒸热交换器科技有限公司 | Small-diameter finned heat exchanger |
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Application publication date: 20121017 |