CN219390663U - High-performance special-shaped inner fin - Google Patents
High-performance special-shaped inner fin Download PDFInfo
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- CN219390663U CN219390663U CN202223566114.1U CN202223566114U CN219390663U CN 219390663 U CN219390663 U CN 219390663U CN 202223566114 U CN202223566114 U CN 202223566114U CN 219390663 U CN219390663 U CN 219390663U
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- flat plate
- vertical section
- upper flat
- lower flat
- plate part
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Abstract
The utility model relates to a high-performance special-shaped inner fin, which comprises a plurality of upper flat plate parts which are arranged in the width direction and coplanar with each other and a plurality of lower flat plate parts which are arranged in the width direction and coplanar with each other, wherein the upper flat plate parts and the lower flat plate parts are staggered and arranged in a staggered manner, the adjacent upper flat plate parts and the lower flat plate parts are connected through a connecting part, the connecting part comprises a first vertical section connected with the end part of the upper flat plate part, a second vertical section connected with the end part of the lower flat plate part and a fold line section connected with the first vertical section and the second vertical section, the first vertical section is perpendicular to the upper flat plate part, the second vertical section is perpendicular to the lower flat plate part, and the fold line section is obliquely arranged in the width direction.
Description
Technical Field
The utility model relates to the field of heat exchangers, in particular to a high-performance special-shaped inner fin.
Background
With the rapid development of the automobile industry, the power of the engine is higher and higher, and the requirements on the heat radiation performance and the bearing strength of a cooling system are also higher and higher. Enterprises want to reduce the cost and call the development requirement of 'light weight and energy conservation', and the raw materials need to be continuously thinned, so that the volume of the cooling module is reduced. Under the double pressure, the structure of the parts needs to be optimized, the heat dissipation performance is improved, and the bearing strength is enhanced.
The utility model discloses an end reinforced radiating tube, which is shown in fig. 5, and comprises two side-by-side core plates and inner fins fixedly connected between the two core plates, wherein the conventional inner fins are of a rectangular wavy structure, for example, the utility model with the publication number of CN207178026U .
When the inner fin is used, fluid can basically flow only along the direction perpendicular to the side face of the inner fin (namely the length direction of the inner fin), the heat dissipation efficiency is not high, and the welding area of the traditional inner fin and the core plate of the heat exchanger accounts for 1/4-1/2 of the total surface, so that great material waste is formed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-performance special-shaped inner fin.
The utility model provides a high-performance special-shaped inner fin which comprises a plurality of upper flat plate parts which are arranged in the width direction and coplanar with each other and a plurality of lower flat plate parts which are arranged in the width direction and coplanar with each other, wherein the upper flat plate parts and the lower flat plate parts are staggered and arranged in a staggered manner, the adjacent upper flat plate parts and the lower flat plate parts are connected through connecting parts, the connecting parts comprise a first vertical section connected with the end parts of the upper flat plate parts, a second vertical section connected with the end parts of the lower flat plate parts and a folding line section connected with the first vertical section and the second vertical section, the first vertical section is vertical to the upper flat plate parts, the second vertical section is vertical to the lower flat plate parts, and the folding line section is obliquely arranged in the width direction.
In the scheme, the upper flat plate part and the lower flat plate part are connected through the connecting part, so that the inner fins are arranged into a continuous wave-shaped structure, the first vertical section is vertical to the upper flat plate part, the second vertical section is vertical to the lower flat plate part, the bending resistance of the inner fins is guaranteed, meanwhile, the folded line sections are obliquely arranged, the connecting part is in an irregular shape, the flowing direction of fluid is increased, the effective heat exchange area of the fluid and the inner fins is increased, the time of the fluid staying in the inner fins is prolonged, the heat exchange capacity is greatly improved, meanwhile, the upper flat plate part and the lower flat plate part are in welded connection with the heat exchanger core body, and the welding area of the inner fins and the core plate of the heat exchanger is reduced because the area of the upper flat plate part and the lower flat plate part is reduced, so that the secondary flow in the height direction is increased under the condition of the same fin consumable material in the same flow channel volume, the heat exchange area is increased by about 10% -23%, and the heat exchange performance is improved.
As optimization, the folding line section is provided with a plurality of longitudinal convex ribs formed by beating, and the longitudinal convex ribs extend along the length direction of the inner fin and penetrate through the folding line section. The longitudinal ribs in the scheme further enhance the irregular characteristic of the connecting part, the more irregular the shape is, the more the resistance coefficient of the fluid flowing through the inner fins is different, the more the flow direction is, the flow speed is also different, the turbulence performance is strong, and the residence time is prolonged to some extent. The longitudinal ribs can improve the bearing strength of the inner fins and prolong the service life of the radiator.
As optimization, the folding line section is provided with a plurality of transverse convex ribs formed by beating, and the transverse convex ribs extend along the width direction of the folding line section. The transverse convex rib in the scheme further enhances the irregular characteristic of the connecting part, the more irregular the shape is, the more the resistance coefficient of fluid flowing through the inner fin is different, the more the flow direction is, the flow velocity is also different, the turbulence performance is strong, the retention time is prolonged to some extent, the transverse convex rib simultaneously enhances the bending resistance of the broken line section in the width direction, the pressure bearing strength of the inner fin is improved, and the service life of the radiator is prolonged.
As optimization, a plurality of through holes are formed in the folded line section. The through holes arranged in the scheme can enhance the turbulence of the fluid and improve the heat dissipation performance.
Preferably, the distance between the adjacent lower flat plate parts is 1.5-3.5 times of the width of the upper flat plate part, and the distance between the adjacent upper flat plate parts is 1.5-3.5 times of the width of the lower flat plate part. The upper flat plate part width and the lower flat plate part width are limited in the scheme, and the upper flat plate part and the lower flat plate part are in welded connection with the heat exchanger core body, so that the area of the upper flat plate part and the area of the lower flat plate part are reduced, and the welding area of the inner fins and the core plate of the heat exchanger is further reduced, and therefore under the condition that consumable materials of the same fins in the same flow channel volume, secondary flow in the height direction is increased, the heat exchange area is increased by about 10% -23%, and the heat exchange performance is improved.
As optimization, the height of the first vertical section and the height of the second vertical section are 0.1-0.3 times of the distance between the upper flat plate part and the lower flat plate part. The heights of the first vertical section and the second vertical section are limited in the scheme, so that the width of the folded section is increased on the premise of ensuring the bending resistance.
The beneficial effects of the utility model are as follows: according to the high-performance special-shaped inner fin, the connecting parts are irregularly shaped, so that the flowing direction of fluid is increased, the effective heat exchange area of the fluid and the inner fin is increased, the time for the fluid to stay in the inner fin is prolonged, the heat exchange capacity is greatly improved, the areas of the upper flat plate part and the lower flat plate part are reduced, and the welding area of the inner fin and the core plate of the heat exchanger is further reduced, so that the heat exchange performance is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of example 1 of the present utility model;
FIG. 2 is a schematic cross-sectional view of embodiment 1 of the present utility model in use;
FIG. 3 is a side view of FIG. 1 of the present utility model;
FIG. 4 is a schematic cross-sectional view of example 2 of the present utility model;
FIG. 5 is a schematic cross-sectional view of a conventional inner fin;
the figure shows:
1. the upper flat plate part 2, the lower flat plate part 3, the folded line sections 4, the first vertical section 5, the second vertical section 6, the longitudinal convex ribs 7, the transverse convex ribs 8 and the through holes.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
Example 1:
as shown in fig. 1 to 5, the high-performance special-shaped inner fin of the utility model comprises a plurality of upper flat plate parts 1 which are arranged in the width direction and are coplanar, and a plurality of lower flat plate parts 2 which are arranged in the width direction and are coplanar, wherein the upper flat plate parts 1 and the lower flat plate parts 2 are staggered and arranged in a staggered manner, and the lengths of the upper flat plate parts 1 and the lower flat plate parts 2 are the same and the end parts are flush.
The adjacent upper flat plate part 1 and the lower flat plate part 2 are connected through a connecting part, the connecting part comprises a first vertical section 4 connected with the end part of the upper flat plate part 1, a second vertical section 5 connected with the end part of the lower flat plate part 2 and a broken line section 3 for connecting the first vertical section 4 and the second vertical section 5, so that the connecting part is in a regular shape, and the length of the connecting part, the length of the upper flat plate part 1 and the length of the lower flat plate part 2 are identical and the end parts are all flush.
The connection portion is provided between the adjacent upper plate portion 1 and lower plate portion 2 and connects the ends of the adjacent upper plate portion 1 and lower plate portion 2 that are close to each other, so that the inner fin is wavy.
The first vertical section 4 is perpendicular to the upper flat plate part 1, the second vertical section 5 is perpendicular to the lower flat plate part 2, the fold line section 3 is of a structure which is obliquely arranged along the width direction, and the adjacent connecting parts are of a trapezoid structure. The bending resistance of the inner fins is guaranteed, meanwhile, the folded line sections 3 are obliquely arranged, so that the connecting parts are in irregular shapes, the flowing direction of fluid is increased, the effective heat exchange area of the fluid and the inner fins is increased, the time of the fluid staying in the inner fins is prolonged, the heat exchange capacity is greatly improved, meanwhile, the areas of the upper flat plate part 1 and the lower flat plate part 2 are reduced due to the fact that the upper flat plate part and the lower flat plate part are welded and connected with a heat exchanger core body, and the welding area of the inner fins and the core plate of the heat exchanger is reduced, and therefore secondary flow in the height direction is increased under the condition that consumable materials of the same fins in the same flow channel volume, the heat exchange area is increased by about 10% -23%, and the heat exchange performance is improved.
The distance between the adjacent lower flat plate parts 2 is 1.5-3.5 times the width of the upper flat plate part 1, and the distance between the adjacent upper flat plate parts 1 is 1.5-3.5 times the width of the lower flat plate part 2. Because the upper flat plate part and the lower flat plate part are connected with the heat exchanger core body in a welding way, the areas of the upper flat plate part and the lower flat plate part are reduced, and the welding area of the inner fins and the core plate of the heat exchanger is further reduced, so that the secondary flow in the height direction is increased under the condition of the same fin consumable in the same flow passage volume, the heat exchange area is increased by about 10% -23%, and the heat exchange performance is improved.
The height of the first vertical section 4 and the height of the second vertical section 5 are both 0.1-0.3 times of the distance between the upper flat plate part 1 and the lower flat plate part 2. Thereby defining the height of the first vertical section 4 and the height of the second vertical section 5.
The broken line section 3 is provided with a plurality of through holes 8. The holes 8 can be round holes, square holes or holes with other shapes, and the turbulence of the fluid can be enhanced and the heat dissipation performance can be improved by adding hole structures.
The folding line section 3 is provided with a plurality of longitudinal ribs 6 formed by embossing, and the longitudinal ribs 6 extend along the length direction of the inner fins and penetrate through the folding line section 3. The longitudinal ribs 6 are formed by protruding towards one side, so that the irregular characteristic of the connecting part is further enhanced, the more irregular the shape is, the more the resistance coefficient of the fluid flowing through the inner fins is different, the more the flow direction is, the flow speed is also different, the turbulence performance is strong, and the residence time is prolonged to some extent. The longitudinal ribs can improve the bearing strength of the inner fins and prolong the service life of the radiator.
The application method of the utility model comprises the following steps: when in use, the upper flat plate part and the lower flat plate part are welded with the heat exchanger core body to form a plurality of pore channels, as shown in fig. 2, when in use, a plurality of inner fins are arranged along the length direction in a staggered manner, so that fluid flows in a staggered manner, and the heat dissipation efficiency is improved.
Example 2:
as shown in fig. 1 to 5, the difference between the present embodiment and embodiment 1 is that: the longitudinal ribs 6 are not arranged on the folding line section 3, a plurality of transverse ribs 7 formed by embossing are arranged on the folding line section 3, the transverse ribs 7 extend along the width direction of the folding line section 3, the transverse ribs 7 are formed by embossing towards one side, the transverse ribs further enhance the irregular characteristic of the connecting part, the more irregular the shape is, the more the flow directions are, the more the flow speeds are, the turbulence performance is strong, the retention time is prolonged to some extent, the transverse ribs simultaneously enhance the bending resistance of the folding line section in the width direction, the pressure bearing strength of the inner fins is improved, and the service life of the radiator is prolonged.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (6)
1. The utility model provides a high performance abnormal shape inner fin which characterized in that: including a plurality of upper flat plate portion (1) and a plurality of lower flat plate portion (2) of arranging and coplanarity along width direction of arranging along width direction, upper flat plate portion (1) and lower flat plate portion (2) are crisscross and dislocation set, and adjacent upper flat plate portion (1) and lower flat plate portion (2) are realized connecting through connecting portion, connecting portion include with upper flat plate portion (1) end connection first vertical section (4), with lower flat plate portion (2) end connection's vertical section (5) of second and connect the broken line section (3) of vertical section (4) of first vertical section (4) and second (5), vertical section (4) of first vertical section (1) are perpendicular with upper flat plate portion (1), and vertical section (5) of second are perpendicular with lower flat plate portion (2), and broken line section (3) are along width direction slope setting.
2. A high performance profiled inner fin as defined in claim 1, wherein: the folding line section (3) is provided with a plurality of longitudinal ribs (6) formed by embossing, and the longitudinal ribs (6) extend along the length direction of the inner fins and penetrate through the folding line section (3).
3. A high performance profiled inner fin as defined in claim 1, wherein: the folding line section (3) is provided with a plurality of transverse convex ribs (7) formed by beating, and the transverse convex ribs (7) extend along the width direction of the folding line section (3).
4. A high performance profiled inner fin as defined in claim 1, wherein: the broken line section (3) is provided with a plurality of through holes (8).
5. A high performance profiled inner fin as defined in claim 1, wherein: the distance between adjacent lower flat plate parts (2) is 1.5-3.5 times the width of the upper flat plate part (1), and the distance between adjacent upper flat plate parts (1) is 1.5-3.5 times the width of the lower flat plate part (2).
6. A high performance profiled inner fin as defined in claim 1, wherein: the height of the first vertical section (4) and the height of the second vertical section (5) are 0.1-0.3 times of the distance between the upper flat plate part (1) and the lower flat plate part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223566114.1U CN219390663U (en) | 2022-12-30 | 2022-12-30 | High-performance special-shaped inner fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223566114.1U CN219390663U (en) | 2022-12-30 | 2022-12-30 | High-performance special-shaped inner fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219390663U true CN219390663U (en) | 2023-07-21 |
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ID=87165052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223566114.1U Active CN219390663U (en) | 2022-12-30 | 2022-12-30 | High-performance special-shaped inner fin |
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| Country | Link |
|---|---|
| CN (1) | CN219390663U (en) |
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2022
- 2022-12-30 CN CN202223566114.1U patent/CN219390663U/en active Active
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