CN201697522U - Efficient heat exchanger fin of air conditioner and heat exchanger - Google Patents
Efficient heat exchanger fin of air conditioner and heat exchanger Download PDFInfo
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- CN201697522U CN201697522U CN2010202350492U CN201020235049U CN201697522U CN 201697522 U CN201697522 U CN 201697522U CN 2010202350492 U CN2010202350492 U CN 2010202350492U CN 201020235049 U CN201020235049 U CN 201020235049U CN 201697522 U CN201697522 U CN 201697522U
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- copper pipe
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Abstract
The utility model provides an efficient heat exchanger fin of an air conditioner and a heat exchanger, and can solve the problems in the prior art such as low heat exchange efficiency, etc. The efficient heat exchanger fin of the air conditioner adopts the technical scheme that at least a row of fins are included; each row of fins are provided with a plurality of copper pipe holes; identical window sheet units are arranged symmetrically on the upper side and the lower side of each copper pipe hole; each window sheet unit includes identical window sheet groups arranged in bilateral symmetry; each window sheet group includes identical short window sheet groups arranged on the outer side at vertical intervals and a long window sheet group in the middle; the short and the long window sheet groups are provided with a plurality of window sheets; and the window sheets are obliquely arranged at an identical angle. The heat exchanger adopting the fin provided by the utility model can improve the heat exchange capability and the overall energy efficiency ratio and considerably reduce the cost; and the frosting problem of the heat exchanger outside the air conditioner is also considered, so that the fin structure is more convenient to defrost.
Description
Technical field
The utility model belongs to air-conditioning and Refrigeration Engineering technical field, and specifically, what relate to is high-performance heat exchanger fin in a kind of air-conditioning.
Background technology
Mainly the some copper pipes on fin are constituted heat exchanger in the air-conditioner by some fins and expanded joint.Thereby the fin structure pattern design of heat exchanger is very important on the air-conditioner, and it can directly influence the efficient of heat convection, thereby influences the height of heat exchange amount.The version of air-condition heat exchanger fin has varied, from initial plate fin, corrugated fin, and Fa Zhan louvered fin and slitted fin etc. finally.But, existing fin structure still exists not attain and improves part, mainly is that the design aspect the contact area of air intake and fin is still inadequate, and is little with the air intake contact area, cause the heat exchange efficiency of heat exchanger high not enough, the Energy Efficiency Ratio of air-conditioner equally also can be affected.
Summary of the invention
The utility model provides a kind of high-efficiency air-condition heat exchanger fin and heat exchanger, and it can solve problems such as heat exchange efficiency that prior art exists is not high.
In order to reach the purpose that solves the problems of the technologies described above, the technical solution of the utility model is, a kind of high-efficiency air-condition heat exchanger fin, described fin has row at least, have several copper pipe holes on every row fin, the bilateral symmetry up and down in each copper pipe hole is provided with identical window unit, it is characterized in that: each described window unit is to be symmetrical set by identical window group, each described window group is made of every identical short window group that is provided with and middle long window group between the upper and lower the outside, have the multi-disc window in described short window group and the described long window group, each window is obliquely installed by identical angle.
In the technical solution of the utility model, also have following additional technical feature:
The range of tilt angles of each described window and horizontal direction is 18 °-28 °.
The range of tilt angles of each described window and horizontal direction is 20 °-25 °.
Each described short window group and each described long window group are made of outside window, middle window and inboard window, and described outside window and described inboard window are narrow window, and both width are identical, and described middle window is wide window.
The width of described narrow window is 1/2 of a described wide window width.
Described outside window is lower than the setting of fin basal planes tilted, and described inboard window is higher than the setting of fin basal planes tilted, and half of described middle window is lower than the setting of fin basal planes tilted, and second half is higher than the setting of fin basal planes tilted.
Between described short window group and the described long window group is the fin basal plane, and the width of this fin basal plane is 0.7-0.8mm.
The edge of upper and lower symmetrically arranged window unit, described copper pipe hole is circular arc, and described circular arc R scope is 5-7mm; The altitude range in described copper pipe hole is 1.2-1.8mm.
Described fin edges is 1.6-1.8mm apart from the distance range of lacking the outside window in the window group, and the centre-to-centre spacing between the adjacent copper pipe hole of same column is 21mm, and the sideline, center in three copper pipe holes of adjacent two row is equilateral triangle.
A kind of heat exchanger is equipped with the high-efficiency air-condition heat exchanger fin of technique scheme.
The utility model is optimized design and improvement for the needs of enhanced heat exchange to the fin pattern, proposes the heat exchanger fin of new high-efficiency, in the hope of obtaining higher heat exchange efficiency.
The utility model is than existing air-condition heat exchanger corrugated fin commonly used, this fin of windowing can increase the contact area with air intake, and can destroy the boundary layer of air intake in fin surface formation, increase the disturbance of air intake, the speed and the collaborative degree of thermograde of air intake are strengthened, thereby improve heat exchange efficiency.Because the position of each inclined protrusions of fin and permutation and combination are selected appropriate and height setting straggly, therefore improved the heat exchange property of heat exchanger greatly, and the windage increase that air intake flows is very little.Our experiments show that heat exchange efficiency improves 5-10%, the also corresponding raising of Energy Efficiency Ratio.
The utlity model has following advantage and good effect: the heat exchanger with the utility model fin can improve exchange capability of heat and complete machine Energy Efficiency Ratio, the heat exchanger overall dimensions can correspondingly diminish, thereby cost has decline by a relatively large margin, also because suitable angle of inclination and the arrangement position relation of window, make condensation water drip easily, take into account outdoor heat exchanger of air conditioner frosting problem simultaneously, make fin structure be more convenient for defrosting.
Description of drawings
Fig. 1 is the structure chart of a kind of high-efficiency air-condition heat exchanger fin of the utility model;
Fig. 2 is the A-A cutaway view among Fig. 1;
1, copper pipe hole; 2, window unit; 21, window group; 211, lack the window group; 211a, outside window; 211b, middle window; 211c, inboard window; 212, long window group; 212a, outside window; 212b, middle window; 212c, inboard window; 213, fin basal plane; R, circular arc.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Referring to Fig. 1 and Fig. 2, in order to propose that exchange capability of heat improves greatly and resistance increases the less novel fin of windowing, obtain higher heat exchange efficiency with expectation.Specific embodiments of the present utility model is, fin has two row, have several copper pipe holes 1 on every row fin, the bilateral symmetry up and down in each copper pipe hole 1 is provided with identical window unit 2, each described window unit 2 is to be symmetrical set by identical window group 21, and each described window group 21 is made of every identical short window group 211 that is provided with and middle long window group 212 between the upper and lower the outside.Have the multi-disc window in described short window group 211 and the described long window group 212, each window is obliquely installed by identical angle.The range of tilt angles of above-mentioned each window and horizontal direction is 18 °-28 °, and preferred range of angles is 20 °-25 °.The length sum of upper and lower two short window groups 211 is a bit larger tham the length of long window group 212.The spacing distance of upper and lower two short window groups 211 is generally 1.0-2.0mm.
Further technical scheme, each described short window group 211 is to be made of outside window 211a, middle window 211b and inboard window 211c.Each described long window group 212 is made of outside window 212a, middle window 212b and inboard window 211c.Described outside window 211a, 212a are that narrow window and width are identical with described inboard window 211c, 212c, and described middle window 211b, 212b are wide window.The width of described narrow window 211a, 212a, 211c, 212c is 1/2 of described wide window 211b, a 212b width.
In the present embodiment, the range of tilt angles of above-mentioned each window and horizontal direction is 22 °.The selection at angle of inclination should be according to the radical of U type copper pipe, the columns of fin, and factors such as the specification of the pattern of fan and parameter, air-conditioner, power and environment for use are determined.
Further again technical scheme, described outside window 211a, 212a are lower than the setting of fin basal planes tilted, also can be described as downward-sloping.Described inboard window 211c, 212c are higher than the setting of fin basal planes tilted, also can be described as to be inclined upwardly.Half of window 211b, 212b is lower than the setting of fin basal planes tilted in the middle of described, and second half is higher than the setting of fin basal planes tilted, can be described as also that half is downward-sloping, and second half is inclined upwardly.Outside window 211a, 212a bottom disconnect, and all the other two sides link to each other with the fin matrix with top; Middle window 211b, 212b upper and lower part disconnect, and all the other two sides link to each other with the fin matrix; Inboard window 211c, 212c top disconnects, and all the other two sides link to each other with the fin matrix with following; Referring to Fig. 2.The common window group structure that forms in the oblique arrangement compound mode of above-mentioned window and angle of inclination, make incoming air area increase greatly, can on the fin matrix, form the guiding air intake effectively and form many full of twists and turns air channels, realize heat exchange effectively, thereby improve the heat exchange efficiency of fin, and then improve the exchange capability of heat and the complete machine Energy Efficiency Ratio of heat exchanger.
Further again technical scheme is a fin basal plane 213 between described short window group 211 and the described long window group 212, and the width of this fin basal plane 213 is 0.75mm.Fin basal plane 213 also can be called levelling bench, this fin basal plane 213 can play air-flow steadily, reduce flow perturbation, be easy to processing and reduce effect such as percent defective.
The edge of 1 upper and lower symmetrically arranged window unit 2, described copper pipe hole all forms circular arc, and described circular arc R scope is 6mm; The altitude range in described copper pipe hole 1 is 1.2-1.8mm.In the present embodiment, the height in copper pipe hole 1 is 1.5mm.
The outside window 211a of described fin edges in the short window group 211 is 1.6-1.8mm apart from the S scope, and in the present embodiment, S is chosen as 1.7mm.Centre-to-centre spacing between the adjacent copper pipe hole 1 of same row is 21mm, and the sideline, center in three copper pipe holes 1 of adjacent two row is equilateral triangle.The fin compact overall structure of Gou Chenging thus, versatility is good, be easy to processing, and cost is low.
The columns of fin is generally 1 to 5 row.Generally determined according to the factors such as structure, specification and model of heat exchanger.The quantity in copper pipe hole 1 is generally 24,32 and 56 etc.In the present embodiment, single-row fin width is 18.19mm.The thickness of fin is between 0.095-0.105mm.
The window pattern of the efficient and rational design of the utility model comprises shape, angle, position, quantity of window etc., has obviously improved exchange capability of heat, and then has improved heat exchange efficiency and Energy Efficiency Ratio.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (10)
1. high-efficiency air-condition heat exchanger fin, described fin has row at least, have several copper pipe holes on every row fin, the bilateral symmetry up and down in each copper pipe hole is provided with identical window unit, it is characterized in that: each described window unit is to be symmetrical set by identical window group, each described window group is made of every identical short window group that is provided with and middle long window group between the upper and lower the outside, have the multi-disc window in described short window group and the described long window group, each window is obliquely installed by identical angle.
2. a kind of high-efficiency air-condition heat exchanger fin according to claim 1 is characterized in that: the range of tilt angles of each described window and horizontal direction is 18 °-28 °.
3. a kind of high-efficiency air-condition heat exchanger fin according to claim 1 is characterized in that: the range of tilt angles of each described window and horizontal direction is 20 °-25 °.
4. a kind of high-efficiency air-condition heat exchanger fin according to claim 2, it is characterized in that: each described short window group and each described long window group are made of outside window, middle window and inboard window, described outside window and described inboard window are narrow window, and both width are identical, and described middle window is wide window.
5. a kind of high-efficiency air-condition heat exchanger fin according to claim 4 is characterized in that: the width of described narrow window is 1/2 of a described wide window width.
6. a kind of high-efficiency air-condition heat exchanger fin according to claim 5, it is characterized in that: described outside window is lower than the setting of fin basal planes tilted, described inboard window is higher than the setting of fin basal planes tilted, half of described middle window is lower than the setting of fin basal planes tilted, and second half is higher than the setting of fin basal planes tilted.
7. a kind of high-efficiency air-condition heat exchanger fin according to claim 6 is characterized in that: be the fin basal plane between described short window group and the described long window group, the width of this fin basal plane is 0.7-0.8mm.
8. a kind of high-efficiency air-condition heat exchanger fin according to claim 7 is characterized in that: the edge of upper and lower symmetrically arranged window unit, described copper pipe hole is circular arc, and described circular arc R scope is 5-7mm; The altitude range in described copper pipe hole is 1.2-1.8mm.
9. a kind of high-efficiency air-condition heat exchanger fin according to claim 8, it is characterized in that: described fin edges is 1.6-1.8mm apart from the distance range of lacking the outside window in the window group, centre-to-centre spacing between the adjacent copper pipe hole of same column is 21mm, and the sideline, center in three copper pipe holes of adjacent two row is equilateral triangle.
10. a heat exchanger is characterized in that: above-mentioned any described high-efficiency air-condition heat exchanger fin of claim is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202350492U CN201697522U (en) | 2010-06-12 | 2010-06-12 | Efficient heat exchanger fin of air conditioner and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202350492U CN201697522U (en) | 2010-06-12 | 2010-06-12 | Efficient heat exchanger fin of air conditioner and heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN201697522U true CN201697522U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202350492U Expired - Lifetime CN201697522U (en) | 2010-06-12 | 2010-06-12 | Efficient heat exchanger fin of air conditioner and heat exchanger |
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| CN (1) | CN201697522U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871743A (en) * | 2010-06-12 | 2010-10-27 | 海信（山东）空调有限公司 | High-efficiency air-condition heat exchanger fin and heat exchanger |
| 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 |
-
2010
- 2010-06-12 CN CN2010202350492U patent/CN201697522U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871743A (en) * | 2010-06-12 | 2010-10-27 | 海信（山东）空调有限公司 | High-efficiency air-condition heat exchanger fin and heat exchanger |
| 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 |
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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: 20110105 Effective date of abandoning: 20120125 |