CN212253800U - Heat exchange fin set, heat exchanger and air conditioner - Google Patents
Heat exchange fin set, heat exchanger and air conditioner Download PDFInfo
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- CN212253800U CN212253800U CN202020660016.6U CN202020660016U CN212253800U CN 212253800 U CN212253800 U CN 212253800U CN 202020660016 U CN202020660016 U CN 202020660016U CN 212253800 U CN212253800 U CN 212253800U
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Abstract
The utility model provides a heat transfer fin group, heat exchanger and air conditioner, heat transfer fin group includes: the fin structure comprises a first row of fins and a second row of fins, wherein the first row of fins and the second row of fins are sequentially arranged along the airflow direction, first pipe holes are formed in the first row of fins, second pipe holes are formed in the second row of fins, the positions between the second pipe holes and two adjacent first pipe holes are opposite along the airflow flowing direction, the structure between the first row of fins and the second row of fins is a structure which is disconnected at intervals, the structure between the first row of fins and the second row of fins is opposite to the second pipe holes along the airflow flowing direction, and the structure between the first row of fins and the second row of fins is a structure which is connected. The utility model discloses can effectively cut off the heat influence effect of first row of fin to the biggest region of second row fin for the low reaches row fin receives the influence that the fin was arranged at the upper reaches less, can effectively prevent to lead to the condition emergence that back row fin heat exchange efficiency reduces by a wide margin because of the heat influence.
Description
Technical Field
The utility model relates to a heat exchanger technical field, concretely relates to heat transfer fin group, heat exchanger and air conditioner.
Background
The air conditioner internal unit fin mainly is double structure, as shown in fig. 1, the fin connection of two rows of structures is as an organic whole, and this kind of structural feature can cause from the in-process of air inlet to air-out, and the copper pipe and the fin of air inlet section can carry out the heat transfer earlier, because two rows of fin connection are as an organic whole, can produce heat conduction heat transfer between the two, and the heat affected zone can lead to the fact the influence to the fin heat transfer of one section back, leads to the fin of back row and the heat exchange efficiency of air current to reduce by a wide.
Because there is the heat affected zone between the double or multirow fin among the prior art and lead to technical problem such as the heat exchange efficiency of back row fin reduces by a wide margin, consequently the utility model discloses research and design a heat exchange fin group, heat exchanger and air conditioner.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the present invention is to overcome the defect that the heat exchange efficiency of the rear row fins is greatly reduced due to the existence of the heat affected zone between the double rows or multiple rows of fins in the prior art, thereby providing a heat exchange fin set, a heat exchanger and an air conditioner.
In order to solve the above problem, the utility model provides a heat exchange fin group, it includes:
a first row of fins and a second row of fins, which are arranged in sequence along the airflow direction, the second row of fins are arranged on the downstream side of the first row of fins along the flow direction of the air flow, at least one first pipe hole capable of accommodating a heat exchange pipe is arranged on the first row of fins, the second row of fins are provided with at least one second tube hole capable of accommodating a heat exchange tube to penetrate through, the second tube hole is opposite to the position between two adjacent first tube holes along the flowing direction of airflow, and the structure between the first row of fins and the second row of fins, which is opposite to the first pipe hole along the airflow flowing direction, is a spaced-apart structure, and the structure between the first row of fins and the second row of fins, which is opposite to the second pipe hole along the airflow flowing direction, is a connected structure.
Preferably, the connecting structure is a connecting area, the extension of the connecting area along the direction perpendicular to the airflow direction is the width of the connecting area, and the width of the connecting area is 1.5-3.5 mm.
Preferably, the interval-disconnected structure is formed by cutting two rows of fins which are connected with each other and are opposite to the first tube hole.
Preferably, a cut edge is formed by the cutting, the heat exchange fin group comprises a first side surface and a second side surface which are opposite, and the cut edge tilts towards the direction of the first side surface or tilts towards the direction of the second side surface; the first pipe hole is provided with a flanging, and the flanging is positioned on the first side surface; and/or the second pipe hole is provided with a flange, and the flange is positioned on the first side surface.
Preferably, at least one first bridge piece is further arranged between two adjacent first tube holes on the first row of fins; and/or at least one second bridge piece is arranged between two adjacent second pipe holes on the second row of fins.
Preferably, the extending direction of the first bridge piece is perpendicular to the flowing direction of the airflow; and/or the extension direction of the second bridge piece is perpendicular to the flowing direction of the airflow.
Preferably, the number of the first bridge pieces is multiple, and the multiple first bridge pieces are arranged side by side and arranged in parallel along the airflow flowing direction; and/or the second bridge pieces are arranged side by side, and the arrangement direction of the second bridge pieces is arranged in parallel along the airflow flowing direction.
Preferably, the first bridge piece is of a segmented structure at a position upstream of the first pipe hole in the airflow direction, and the segmented spaced positions are opposite to the center of the first pipe hole in the airflow direction; and/or, the second bridge piece is of a sectional structure at the position of the second pipe hole upstream along the airflow flowing direction, and the position at intervals is opposite to the center of the second pipe hole along the airflow flowing direction; and/or the second bridge piece is of an integrated structure at the position of the second pipe hole downstream along the airflow direction.
The utility model also provides a heat exchanger, it includes preceding arbitrary heat exchange fin group.
The utility model also provides an air conditioner, it includes aforementioned heat exchanger.
The utility model provides a pair of heat transfer fin group, heat exchanger and air conditioner have following beneficial effect:
the utility model discloses a set up the first connection position (the relative hookup location of heat exchange tube hole of upstream side promptly) of two rows of fins to the interval disconnection, because this department belongs to the great position of air current upstream heat exchange tube heat transfer, the great region of heat influence is arranged to the downstream row fin to the upstream row fin promptly, cut off this region, can effectively cut off the heat influence effect of first row fin to the biggest region of second row fin promptly, make the downstream row fin receive the influence of upstream row fin less, can effectively prevent to take place because the condition that the heat influence leads to back row fin heat exchange efficiency to reduce by a wide margin, effectively promote the heat exchange efficiency of downstream row fin; and the second connecting part (namely the connecting position opposite to the heat exchange tube hole at the downstream side) is connected with the two rows of fins, and the position belongs to a region with small heat influence of the fins at the upstream side, so that the air flow at the upstream side can be ensured to smoothly reach the heat exchange tube holes of the fins at the downstream side for heat exchange, the heat exchange efficiency of the fins at the downstream side is improved, and the problems of difficult processing and the like caused by the full cutting of the connecting position of the two rows of fins can be avoided.
Drawings
FIG. 1 is a top view of the heat exchange fin assembly of the present invention;
FIG. 2 is a partially enlarged structural view of portion A in FIG. 1;
FIG. 3 is a left side view block diagram (first embodiment of the trim) of the heat exchanging fin group of FIG. 1;
fig. 4 is a left side view structural view (second embodiment of the trimming) of the heat exchanging fin group in fig. 1.
The reference numerals are represented as:
100. a fin set; 1. a first row of fins; 11. a first tube hole; 12. a first bridge piece; 2. a second row of fins; 21. a second tube hole; 22. a second bridge piece; 3. a spaced apart structure; 31. trimming; 4. a connected structure; 51. a first side surface; 52. a second side.
Detailed Description
As shown in fig. 1-4, the utility model provides a heat exchange fin group, it includes:
a first row of fins 1 and a second row of fins 2, the first row of fins 1 and the second row of fins 2 are sequentially arranged along the airflow direction, the second row of fins 2 is arranged on the downstream side of the first row of fins 1 along the airflow direction, at least one first tube hole 11 capable of accommodating a heat exchange tube is arranged on the first row of fins 1, at least one second tube hole 21 capable of accommodating a heat exchange tube is arranged on the second row of fins 2, the second tube hole 21 is opposite to the position between two adjacent first tube holes 11 along the airflow direction, and the structure between the first row of fins 1 and the second row of fins 2 opposite to the first tube holes 11 along the airflow direction is a structure 3 with a gap (the structure with a gap comprises a structure with only one gap or a structure with more than two gaps, two or more gaps are arranged at intervals), and the structure between the first row of fins 1 and the second row of fins 2, which is opposite to the second tube hole 21 in the flowing direction of the airflow, is a connected structure 4.
The utility model discloses a set up the first connection position (the relative hookup location of heat exchange tube hole of upstream side promptly) of two rows of fins to the interval disconnection, because this department belongs to the great position of air current upstream heat exchange tube heat transfer, the great region of heat influence is arranged to the downstream row fin to the upstream row fin promptly, cut off this region, can effectively cut off the heat influence effect of first row fin to the biggest region of second row fin promptly, make the downstream row fin receive the heat influence of upstream row fin less, can effectively prevent to take place because the heat influence leads to the condition that back row fin heat exchange efficiency reduces by a wide margin, effectively promote the heat exchange efficiency of downstream row fin; and the second connecting part (namely the connecting position opposite to the heat exchange tube hole at the downstream side) is connected with the two rows of fins, and the position belongs to a region with small heat influence of the fins at the upstream side, so that the air flow at the upstream side can be ensured to smoothly reach the heat exchange tube holes of the fins at the downstream side for heat exchange, the heat exchange efficiency of the fins at the downstream side is improved, and the problems of difficult processing and the like caused by the full cutting of the connecting position of the two rows of fins can be avoided.
Preferably, the connecting structure 4 is a connecting area, the extension of the connecting area along the direction perpendicular to the airflow direction is the width of the connecting area, and the width of the connecting area is 1.5-3.5 mm. This is the preferred width dimension of the connected structure of the present invention, the width exceeding this area is the extra strength requirement, and the situation that the strength is insufficient and the deformation is caused will occur less than this width, that is, the strength requirement can be ensured to prevent the deformation, and the maximum degree of reducing the thermal influence can be realized.
Preferably, the spaced-apart structure 3 is formed by cutting two rows of fins in a manner that the two rows of fins are connected with each other and are opposite to the first tube hole 11. This is a preferable form of the discontinuous structure of the present invention, that is, by cutting the two rows of fins (not all the fins are cut, but only the fins are cut at the position opposite to the first tube hole) at the joint of the two rows of fins, the discontinuous structure can be effectively formed, so that the thermal influence between the two rows of fins is reduced.
Preferably, the cut edge 31 is formed by the cutting, the heat exchange fin group includes a first side surface 51 and a second side surface 52 which are opposite, and the cut edge 31 is tilted towards the direction of the first side surface 51 or tilted towards the direction of the second side surface 52; the first pipe hole 11 is provided with a flanging, and the flanging is positioned on the first side surface 51; and/or the second pipe hole 21 has a flange, and the flange is located on the first side surface 51. The present invention is a preferable structure of the cutting method, that is, the cutting is performed to form the cut edge, that is, the cut edge is cut on one side and tilted upward or downward on the other side, and the structure of the cut edge can play a certain guiding role for the air flow, so that the air flow enters the gap of the cut-off portion through the cut edge and flows out, the thermal influence on the fins of the downstream row is reduced, and the effect of reducing the thermal influence is further improved.
Preferably, at least one first bridge piece 12 is further arranged between two adjacent first tube holes 11 on the first row of fins 1; and/or at least one second bridge piece 22 is arranged between two adjacent second pipe holes 21 on the second row of fins 2. The utility model discloses still through the structural style of first bridge piece and second bridge piece, improve respectively to the heat exchange efficiency of first row of fin (through the reinforcing to the vortex effect between the air current) and to the heat exchange efficiency of second row of fin.
Preferably, the first bridge piece 12 extends in a direction perpendicular to the direction of the airflow; and/or the second bridge piece 22 extends in a direction perpendicular to the direction of the airflow. This is the utility model discloses a preferred arrangement mode of first bridge piece and second bridge piece, first bridge piece and second bridge piece arrange respectively with the air current flow direction mutually perpendicularly can make its area of contact with the air current bigger, further improve the heat exchange efficiency of fin.
Preferably, there are a plurality of the first bridge pieces 12, and the plurality of the first bridge pieces 12 are arranged side by side and arranged in parallel along the airflow direction; and/or the number of the second bridge pieces 22 is multiple, and the second bridge pieces 22 are arranged side by side and arranged in parallel along the airflow flowing direction. This is the utility model discloses a further preferred structural style of first bridge piece and second bridge piece, distribute side by side through a plurality of first bridge pieces, and parallel arrangement side by side along the air current direction of flow, can make the air current in proper order through the first bridge piece of arranging and by heat transfer in proper order, and then further improve the heat exchange efficiency between first row of fin and the air current, the same distributes side by side through a plurality of first bridge pieces, and parallel arrangement side by side along the air current direction of flow, can make the air current in proper order through the second bridge piece of arranging and by heat transfer in proper order, and further improve the heat exchange efficiency between second row of fin and the air current.
Preferably, the first bridge piece 12 is of a segmented structure at a position upstream of the first pipe hole 11 in the airflow direction, and the segmented spaced positions are opposite to the center of the first pipe hole 11 in the airflow direction; and/or, the second bridge piece 22 is of a sectional structure at the position upstream of the second pipe hole 21 along the airflow direction, and the position spaced in the sectional structure is opposite to the center of the second pipe hole 21 along the airflow direction; and/or, the second bridge piece 22 is of an integral structure at a position downstream of the second pipe hole 21 in the airflow direction. This is the utility model discloses a further preferred structural style of first bridge piece and second bridge piece, the first bridge piece that is in the upstream position of first tube hole sets up to sectional type structure, and the position of segmentation division is just to the center of first tube hole, can make the air current smoothly flow to first tube hole department and make air current and heat exchange tube carry out abundant obtaining the heat transfer, further improve the heat transfer effect of first row of fin; the second bridge piece at the upstream position of the second tube hole is of a sectional structure, and the sectioned part is right opposite to the center of the second tube hole, so that the airflow can smoothly flow to the second tube hole, the airflow and the heat exchange tube can fully exchange heat, and the heat exchange effect of the second row of fins is further improved; the second bridge piece at the downstream position of the second tube hole is arranged to be of an integrated structure, so that the air flow can be effectively prevented from flowing out of the fins, and the air flow is reserved on the fins as far as possible, the heat exchange time is prolonged, and the heat exchange effect is further improved.
The utility model also provides a heat exchanger, it includes preceding arbitrary heat exchange fin group.
1. The utility model discloses a mode that heat transfer fin group adopted the virtual to cut cuts first row fin and second row fin off, breaks the heat-conduction between the hot fin.
2. The design is carried out according to the windward direction, the cutting is carried out at the position with the largest heat influence, the connection processing is carried out at the position with smaller influence, and the heat exchange is improved.
1. The scheme mainly aims to solve the problem that when double rows and three rows of fins are used, after the copper pipes and the fins at the air inlet position exchange heat preferentially, a heat affected zone affects the next row of fins. The influence of the first row of fins on the second row of fins is reduced by adopting a new structure;
2. this embodiment realizes blocking of the heat affected zone of the fin without cutting to 1+ 1.
Has the advantages that:
1. reducing the effect of the heat affected zone of double rows of fins
2. The heat exchange efficiency of the double rows of fins is improved;
3. the processing efficiency is not influenced.
The utility model also provides an air conditioner, it includes aforementioned heat exchanger.
The utility model discloses a mode that the virtual was cut cuts off the fin, realizes the effect of cutting off of the first row of double fin and second heat extraction influence area. So as to improve the unit heat exchange efficiency of the fin.
In a particular embodiment, the first row refers to the windward side of the fins and the second row refers to the leeward side of the fins.
Specific cut-off position elucidation:
the location of the cut should be the location of greatest thermal influence, i.e. the area of the copper tubes of the first row of fins extending leeward and around it, as shown by the spaced apart structures 3 in fig. 1 and 2, i.e. the cut-off area. And the connection area is the windward area of the copper tubes of the subsequent row of fins, i.e. inside the area of the connected structure 4 shown in fig. 1 and 2.
The scheme can be suitable for double-row heat exchanger fins and also can be suitable for three-row and other multi-row heat exchanger fins.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A heat exchange fin group is characterized in that: the method comprises the following steps:
the heat exchanger comprises a first row of fins (1) and a second row of fins (2), wherein the first row of fins (1) and the second row of fins (2) are sequentially arranged along the air flow direction, the second row of fins (2) are arranged on the downstream side of the first row of fins (1) along the air flow direction, at least one first tube hole (11) capable of accommodating a heat exchange tube is formed in the first row of fins (1), at least one second tube hole (21) capable of accommodating the heat exchange tube is formed in the second row of fins (2), the second tube hole (21) is opposite to the position between two adjacent first tube holes (11) along the air flow direction, and the structure between the first row of fins (1) and the second row of fins (2) opposite to the first tube hole (11) along the air flow direction is a structure (3) with interval disconnection, the structure between the first row of fins (1) and the second row of fins (2) opposite to the second tube holes (21) in the direction of flow of the air stream is a connected structure (4).
2. The heat exchange fin pack according to claim 1, wherein:
the connecting structure (4) is a connecting area, the extending size of the connecting area along the direction perpendicular to the airflow direction is the width of the connecting area, and the width of the connecting area is 1.5-3.5 mm.
3. The heat exchange fin pack according to claim 1, wherein:
the interval broken structure (3) is formed by connecting two rows of fins and cutting the position of the two rows of fins opposite to the first pipe hole (11).
4. The heat exchange fin set according to claim 3, wherein:
forming a cutting edge (31) in the cutting mode, wherein the heat exchange fin group comprises a first side surface (51) and a second side surface (52) which are opposite, and the cutting edge (31) tilts towards the direction of the first side surface (51) or tilts towards the direction of the second side surface (52); the first pipe hole (11) is provided with a flanging, and the position of the flanging is positioned on the first side surface (51); and/or the second pipe hole (21) is provided with a flanging, and the flanging is positioned on the first side surface (51); and/or the integrated double-row fin is integrally formed.
5. The heat exchange fin pack according to any one of claims 1 to 4, wherein:
at least one first bridge piece (12) is arranged between two adjacent first pipe holes (11) on the first row of fins (1); and/or at least one second bridge piece (22) is arranged between two adjacent second pipe holes (21) on the second row of fins (2).
6. The heat exchange fin set according to claim 5, wherein:
the extending direction of the first bridge piece (12) is vertical to the flowing direction of the airflow; and/or the second bridge piece (22) extends in a direction perpendicular to the direction of the airflow.
7. The heat exchange fin set according to claim 5, wherein:
the number of the first bridge pieces (12) is multiple, the first bridge pieces (12) are arranged side by side, and the arrangement direction of the first bridge pieces is parallel to the airflow flowing direction; and/or the second bridge pieces (22) are arranged in parallel, and the arrangement direction of the second bridge pieces (22) is parallel to the airflow flowing direction.
8. The heat exchange fin set according to claim 5, wherein:
the first bridge piece (12) is of a sectional structure at a position upstream of the first pipe hole (11) in the airflow flowing direction, and the sectional and spaced positions are opposite to the center of the first pipe hole (11) in the airflow flowing direction; and/or, the second bridge piece (22) is of a sectional structure at the position of the second pipe hole (21) upstream along the airflow flowing direction, and the position spaced in a sectional way is opposite to the center of the second pipe hole (21) along the airflow flowing direction; and/or the second bridge piece (22) is of an integrated structure at the position of the second pipe hole (21) downstream along the airflow flowing direction.
9. A heat exchanger, characterized by: comprising the set of heat exchange fins of any one of claims 1 to 8.
10. An air conditioner, characterized in that: comprising the heat exchanger of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660016.6U CN212253800U (en) | 2020-04-26 | 2020-04-26 | Heat exchange fin set, heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660016.6U CN212253800U (en) | 2020-04-26 | 2020-04-26 | Heat exchange fin set, heat exchanger and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN212253800U true CN212253800U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020660016.6U Active CN212253800U (en) | 2020-04-26 | 2020-04-26 | Heat exchange fin set, heat exchanger and air conditioner |
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| CN (1) | CN212253800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758353A (en) * | 2021-08-13 | 2021-12-07 | 博格思众（常州）热交换器有限公司 | Fin, heat exchanger and refrigerating system |
-
2020
- 2020-04-26 CN CN202020660016.6U patent/CN212253800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758353A (en) * | 2021-08-13 | 2021-12-07 | 博格思众（常州）热交换器有限公司 | Fin, heat exchanger and refrigerating system |
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