CN202885629U - Heat exchange fins for air condition heat exchanger - Google Patents

Heat exchange fins for air condition heat exchanger Download PDF

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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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China
Prior art keywords
heat exchange
fin
heat exchanger
air conditioner
louver
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Expired - Fee Related
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CN 201220325440
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Chinese (zh)
Inventor
吴红霞
陈绍楷
刘忠民
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Guangdong Kelon Air Conditioner Co Ltd
Hisense Home Appliances Group Co Ltd
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Guangdong Kelon Air Conditioner Co Ltd
Hisense Kelon Electrical Holdings Co Ltd
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Priority to CN 201220325440 priority Critical patent/CN202885629U/en
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Abstract

本实用新型公开了一种空调换热器用换热翅片,所述换热翅片由若干换热单元组成,其中每个换热单元含有百叶窗结构和位于相邻百叶窗结构之间的套环,所述套环与空调器传送冷媒的管道配合使用。本实用新型换热翅片上设置多条斜向百叶窗片,百叶窗的存在可破坏气流在翅片上的边界层,加强气流的紊流效果,从而强化了翅片的换热。靠近边缘的百叶窗片中间设有长方形缺口,且缺口未将所有窗片隔开。本实用新型在保证了翅片应有的机械强度外,还能有效提高翅片的换热效率。

Figure 201220325440

The utility model discloses a heat exchanging fin for an air conditioner heat exchanger. The heat exchanging fin is composed of several heat exchanging units, wherein each heat exchanging unit includes a louver structure and a collar located between adjacent louver structures. The collar is used in cooperation with the pipeline for transferring the refrigerant of the air conditioner. The heat exchange fins of the utility model are provided with a plurality of oblique louvers, and the presence of the louvers can destroy the boundary layer of the air flow on the fins, enhance the turbulence effect of the air flow, and thereby strengthen the heat exchange of the fins. A rectangular gap is arranged in the middle of the louvers near the edge, and the gap does not separate all the windows. The utility model not only ensures the proper mechanical strength of the fins, but also can effectively improve the heat exchange efficiency of the fins.

Figure 201220325440

Description

A kind of air-condition heat exchanger heat exchange fin
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.
Breach 3 is symmetrical up and down with the line at adjacent two collar 200 centers, reaches the vertical line left-right symmetry distribution with the line mid point of adjacent two collar central points.
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.
Breach 3 extends y1=1~2.6mm inwards by half blinds window, 101 edges, the outside, and the transverse width y2=1~3mm of this breach.Y1=2.6mm in the present embodiment, y2=1.5mm.
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.
Embodiment 2
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)

1.一种空调换热器用换热翅片,其特征在于,所述换热翅片由若干换热单元组成,其中每个所述换热单元含有百叶窗结构(100)和位于相邻百叶窗结构之间的套环(200),所述套环(200)与空调器传送冷媒的管道配合使用。1. A heat exchange fin for an air-conditioning heat exchanger, characterized in that, the heat exchange fin is composed of several heat exchange units, wherein each of the heat exchange units contains a louver structure (100) and an adjacent louver structure The collar (200) between the collars (200) is used in cooperation with the pipeline for transferring the refrigerant of the air conditioner. 2.根据权利要求1所述的空调换热器用换热翅片,其特征在于:所述百叶窗结构(100)包括下翻半百叶窗片(101),上翻半百叶窗片(103)和若干条全百叶窗片(102),且该百叶窗结构(100)沿两个套环(200)中心点的连线呈对称分布。2. The heat exchanging fin for air conditioner heat exchanger according to claim 1, characterized in that: the louver structure (100) includes a downturned half louver (101), an upturned half louver (103) and several The whole louver (102), and the louver structure (100) is symmetrically distributed along the line connecting the center points of the two collars (200). 3.根据权利要求1或2所述的空调换热器用换热翅片,其特征在于:所述翅片材料为铝箔,铝箔厚度(T)为0.09~0.105mm。3. The heat exchange fin for air conditioner heat exchanger according to claim 1 or 2, characterized in that: the material of the fin is aluminum foil, and the thickness (T) of the aluminum foil is 0.09-0.105 mm. 4.根据权利要求2所述的空调换热器用换热翅片,其特征在于:所述下翻半百叶窗片(101),上翻半百叶窗片(103),全百叶窗片(102)以相邻两个套环中心点的连线中点的垂线左右对称,相邻百叶窗片之间有一定的空隙,形成空气通道(300),空隙的宽度(W2)为1.0~1.5mm。4. The heat exchanging fin for an air conditioner heat exchanger according to claim 2, characterized in that: the downturned half louvers (101), the upturned half louvers (103), and the full louvers (102) are The vertical line of the middle point of the connecting line adjacent to the center points of the two collars is symmetrical left and right, and there is a certain gap between adjacent louver pieces to form an air channel (300), and the width (W2) of the gap is 1.0-1.5mm. 5.根据权利要求4所述的空调换热器用换热翅片,其特征在于:靠近边缘的百叶窗片(101,102)中间设有长方形缺口(3),该缺口将百叶窗片截断成两段,且缺口未将所有百叶窗片截断。5. The heat exchanging fin for air conditioner heat exchanger according to claim 4, characterized in that: a rectangular gap (3) is provided in the middle of the louvers (101, 102) near the edge, and the notch cuts the louvers into two sections , and the gap does not cut off all the louvers. 6.根据权利要求5所述的空调换热器用换热翅片,其特征在于:所述缺口(3)以相邻两个套环(200)中心的连线呈上下对称分布,及以相邻两个套环中心点的连线中点的垂线左右对称分布。6. The heat exchange fin for an air conditioner heat exchanger according to claim 5, characterized in that: the gaps (3) are symmetrically distributed up and down along the line connecting the centers of two adjacent collars (200), and The vertical line of the middle point of the line adjacent to the center points of the two loops is symmetrically distributed. 7.根据权利要求2或4所述的空调换热器用换热翅片,其特征在于:所述百叶窗片(101,102,103)与水平面的夹角(R3)为22~26°,相对水平面的宽度(L)为1.0~1.5mm。7. The heat exchange fins for air conditioner heat exchanger according to claim 2 or 4, characterized in that: the included angle (R3) between the louvers (101, 102, 103) and the horizontal plane is 22-26°, relatively The width (L) of the horizontal plane is 1.0 to 1.5 mm. 8.根据权利要求2、4、5或7任意一项所述的空调换热器用换热翅片,其特征在于:从翅片边缘由外向内,外侧百叶窗片的长度边缘与套环中心连线呈一定角度(R2),且该角度(R2)为45~60°;内侧百叶窗片的长度延伸到以临近套环中心为圆心,半径(R1)为4~5mm的圆边缘,且外侧翅片与内侧翅片的边缘连线为圆滑曲线。8. The heat exchange fin for air conditioner heat exchanger according to any one of claims 2, 4, 5 or 7, characterized in that: from the edge of the fin to the inside, the length edge of the outer louver is connected to the center of the collar The line forms a certain angle (R2), and the angle (R2) is 45~60°; the length of the inner louver extends to the circle edge with the center of the adjacent ring as the center, and the radius (R1) is 4~5mm, and the outer wing The line connecting the edge of the sheet and the inner fin is a smooth curve. 9.根据权利要求5或6所述的空调换热器用换热翅片,其特征在于:所述缺口(3)由外侧半百叶窗片(101)边缘向里延伸(y1)=1~2.6mm,且该缺口的横向宽度(y2)=1~3mm。9. The heat exchange fin for air conditioner heat exchanger according to claim 5 or 6, characterized in that: the gap (3) extends inward from the edge of the outer half louver (101) (y1) = 1-2.6mm , and the transverse width (y2) of the notch=1-3mm. 10.根据权利要求1所述的空调换热器用换热翅片,其特征在于:所述套环(200)包含第一喇叭口状圆环(201)、第二喇叭口状圆环(203)、呈阶梯状的环形过渡结构(204)和套环孔(202);所述第一喇叭口状圆环(201)一端连接所述套环孔(202),另一端为开口;所述第二喇叭口状圆环(203)一端连接所述套环孔(202),另一端通过环形过渡结构(204)与所述换热翅片相连。10. The heat exchange fin for an air conditioner heat exchanger according to claim 1, characterized in that: the collar (200) comprises a first bell-shaped ring (201), a second bell-shaped ring (203) ), a stepped annular transition structure (204) and a collar hole (202); one end of the first trumpet-shaped ring (201) is connected to the collar hole (202), and the other end is an opening; the One end of the second trumpet-shaped ring (203) is connected to the collar hole (202), and the other end is connected to the heat exchange fin through an annular transition structure (204). 11.根据权利要求10所述的空调换热器用换热翅片,其特征在于:所述套环孔(202)的高度(H2)为1.2~1.7mm,第一喇叭口状圆环(201)过渡半径(R4)为0.3mm、第二喇叭口状圆环(203)的圆环过渡半径(R5)为0.2mm,环形过渡结构的内径(D2)为6.8mm,高度(H1)为0.1~0.3mm。11. The heat exchanging fin for an air conditioner heat exchanger according to claim 10, characterized in that: the height (H2) of the collar hole (202) is 1.2-1.7mm, and the first trumpet-shaped ring (201 ) transition radius (R4) is 0.3mm, the circular ring transition radius (R5) of the second flared ring (203) is 0.2mm, the inner diameter (D2) of the annular transition structure is 6.8mm, and the height (H1) is 0.1 ~0.3mm. 12.根据权利要求1、10或11任意一项所述的空调换热器用换热翅片,其特征在于:所述相邻套环(200)之间的中心间距(Pt)为16~19mm,套环翻边高度(H)为1.3~2.0mm,套环孔(202)内径(D1)为5.2~5.3mm。12. The heat exchange fin for air conditioner heat exchanger according to any one of claims 1, 10 or 11, characterized in that: the center-to-center distance (Pt) between the adjacent collars (200) is 16-19mm , the collar flanging height (H) is 1.3-2.0 mm, and the inner diameter (D1) of the collar hole (202) is 5.2-5.3 mm. 13.根据权利要求1~12任意一项所述的空调换热器用换热翅片,其特征在于:套环(200)轴向线一侧的百叶窗片的数量为4~8条。13. The heat exchange fin for an air conditioner heat exchanger according to any one of claims 1-12, characterized in that the number of louvers on one side of the axial line of the collar (200) is 4-8. 14.根据权利要求1~13任意一项所述的空调换热器用换热翅片,其特征在于:所述换热翅片的宽度(Pw)为13.6~14.5mm。14. The heat exchange fin for an air conditioner heat exchanger according to any one of claims 1-13, characterized in that the width (Pw) of the heat exchange fin is 13.6-14.5 mm. 15.一种组合换热翅片,包括若干如权利要求1-14任意一项所述的换热翅片。15. A combined heat exchange fin, comprising several heat exchange fins according to any one of claims 1-14.
CN 201220325440 2012-07-06 2012-07-06 Heat exchange fins for air condition heat exchanger Expired - Fee Related CN202885629U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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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