CN210486631U - Internal and external fin radiating tube - Google Patents
Internal and external fin radiating tube Download PDFInfo
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- CN210486631U CN210486631U CN201921053943.5U CN201921053943U CN210486631U CN 210486631 U CN210486631 U CN 210486631U CN 201921053943 U CN201921053943 U CN 201921053943U CN 210486631 U CN210486631 U CN 210486631U
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- radiating tube
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Abstract
The utility model discloses an inner and outer fin radiating tube, which comprises a radiating tube body, wherein a plurality of outer fins which are arranged at uniform intervals in an annular shape are formed on the outer wall of the radiating tube body, a central column which extends along the length direction of the radiating tube body is formed in the center of an inner cavity of the radiating tube body, a plurality of inner fins which are arranged at uniform intervals in an annular shape are formed on the inner wall of the radiating tube body, and one end of each inner fin, which is far away from the radiating tube body, is integrally connected with the central column; the inner fins divide an inner cavity between the central column and the radiating tube body into independent liquid passing channels with the number equal to that of the inner fins; the radiating tube body, the outer fins, the inner fins and the central column are extruded and integrally formed through a die. The utility model has the characteristics of the radiating effect is good and easy fashioned.
Description
Technical Field
The utility model relates to a cooling tube field, concretely relates to inside and outside wing cooling tube.
Background
The radiating pipe is commonly arranged in a plurality of radiating devices, and heat exchange is realized through the radiating pipe by arranging different media inside and outside the pipe. During the manufacturing of the existing radiating pipe, the connection of the fins and the pipe body is welded, and the poor heat conduction phenomenon exists at the joint, so that the radiating effect of the radiating pipe is influenced.
In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to provide an inner and outer fin heat dissipation tube, which has the advantages of good heat dissipation effect and easy formation.
In order to achieve the above purpose, the solution of the present invention is:
an inner-fin and outer-fin radiating tube comprises a radiating tube body, wherein a plurality of outer fins which are uniformly arranged in an annular mode at intervals are formed on the outer wall of the radiating tube body, a central column which extends along the length direction of the radiating tube body is formed in the center of an inner cavity of the radiating tube body, a plurality of inner fins which are uniformly arranged in an annular mode at intervals are formed on the inner wall of the radiating tube body, and one ends, far away from the radiating tube body, of the inner fins are integrally connected with the central column; the inner fins divide an inner cavity between the central column and the radiating tube body into independent liquid passing channels with the number equal to that of the inner fins; the radiating tube body, the outer fins, the inner fins and the central column are extruded and integrally formed through a die.
Furthermore, the material of cooling tube body, outer fin, interior fin and center pillar is the aluminum alloy.
Further, the central column is cylindrical in shape.
Further, the diameter ratio of the outer diameter of the radiating pipe body to the outer diameter of the center post is 10: 1.
Further, the thickness of the inner fin is equal to that of the outer fin.
Furthermore, the junction of the outer fin and the outer wall of the radiating pipe is provided with a round angle, and the junction of the inner fin and the inner wall of the radiating pipe body and the central column is provided with a round angle.
Further, the number of the inner fins is 3, and the number of the outer fins is 28.
Further, the number of the inner fins is 4, and the number of the outer fins is 20.
Furthermore, the surfaces of the outer wall of the radiating pipe body and the outer fins are provided with oxidation films formed through blackening treatment.
Further, an oxide film formed by blackening treatment is formed on the inner wall of the liquid passing channel.
After the structure is adopted, the utility model relates to an inside and outside wing cooling tube, it has following beneficial effect at least:
the heat of a first fluid in the liquid passing channel is transmitted to the radiating tube body through the central column and the inner fins, and then transmitted to a second fluid outside the radiating tube through the outer fins; because the inner fins and the central column exist, the heat of the first fluid far away from the radiating tube body can be collected and conducted through the inner fins and the central column, and therefore the radiating efficiency of the radiating tube is improved.
And secondly, the radiating pipe is extruded into an integral whole through a die to ensure that the outer fin is connected with the outer wall of the radiating pipe body, and the inner fin is connected with the inner wall of the radiating pipe body and the central column to ensure better continuity, so that a better heat transfer effect is achieved. The problem of poor heat transfer caused by welding connection can not exist, so that the problem of heat transfer bottleneck caused by poor heat transfer at the connection part is avoided.
Thirdly, the cooling tube passes through mould extrusion integrated into one piece, and it is convenient to make, the cooling tube body with the connection of outer fin and interior fin is more reliable firm, does not have the risk of desoldering.
Drawings
Fig. 1 is a schematic view of a heat pipe having four internal fins.
Fig. 2 is a schematic view of a heat pipe having three internal fins.
In the figure:
a radiating pipe body 1; an outer fin 2; an inner fin 3; a central column 4; and a liquid passing channel 5.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 2, the inner and outer fin heat dissipation tube of the present invention includes a heat dissipation tube body 1, a plurality of outer fins 2 are formed on an outer wall of the heat dissipation tube body 1, a central column 4 is formed in a center of an inner cavity of the heat dissipation tube body 1 and extends along a length direction of the heat dissipation tube body 1, a plurality of inner fins 3 are formed on an inner wall of the heat dissipation tube body 1, and one end of the inner fins 3 away from the heat dissipation tube body 1 is integrally connected to the central column 4; the inner fins 3 divide an inner cavity between the central column 4 and the radiating pipe body 1 into independent liquid passing channels 5 with the number equal to that of the inner fins 3; the radiating pipe body 1, the outer fins 2, the inner fins 3 and the central column 4 are extruded and integrally formed through a die.
Thus, in the internal and external fin radiating tube related to the present invention, the heat of the first fluid in the liquid passing channel 5 is transferred to the radiating tube body 1 through the central column 4 and the internal fins 3, and then transferred to the second fluid outside the radiating tube through the external fins 2; due to the existence of the inner fins 3 and the central column 4, the heat of the first fluid far away from the radiating pipe body 1 can be collected and conducted through the inner fins 3 and the central column 4, so that the radiating efficiency of the radiating pipe is improved.
The cooling tube passes through mould extrusion integrated into one piece for outer fin 2 with the connection of 1 outer wall of cooling tube body the interior fin 3 with the connection of 1 inner wall of cooling tube body and center pillar 4 has better continuity, thereby has better heat transfer effect. The problem of poor heat transfer caused by welding connection can not exist, so that the problem of heat transfer bottleneck caused by poor heat transfer at the connection part is avoided. The cooling tube passes through mould extrusion integrated into one piece, and it is convenient to make, cooling tube body 1 with outer fin 2 and inner fin 3's connection is more reliable firm, does not have the risk of desoldering.
Preferably, the heat dissipation pipe body 1, the outer fins 2, the inner fins 3 and the center column 4 are made of aluminum alloy. The aluminum alloy material has better heat conduction efficiency, and also has the characteristics of light weight and difficult corrosion.
Preferably, the central column 4 is cylindrical in shape. The cylindrical central column 4 has the characteristic of facilitating extrusion forming, and is beneficial to improving the yield of extrusion forming and reducing the finished product of a die. The diameter ratio of the outer diameter of the radiating pipe body 1 to the outer diameter of the center post 4 is 10: 1. If the outer diameter of the radiating pipe body is 30 mm, the outer diameter of the center post is 3 mm.
As another embodiment of the central pillar 4, the cross section of the central pillar 4 may also be a regular polygon with the same number of sides as the number of the inner fins 3, and the inner fins 3 are connected to the sides of the regular polygon in a one-to-one correspondence manner.
Preferably, the inner fins 3 and the outer fins 2 are equal in thickness.
Preferably, the joint of the outer fin 2 and the outer wall of the radiating pipe is formed with a round angle, and the joint of the inner fin 3 and the inner wall of the radiating pipe body 1 and the central column 4 is formed with a round angle. Set up the fillet firstly plays the transition effect in the junction, the extrusion of being convenient for, secondly, improves and makes the heat can steadily transmit at the junction to improve heat transfer effect.
Preferably, as shown in fig. 2, the number of the inner fins 3 is 3, and the number of the outer fins 2 is 28. As shown in fig. 1, as another embodiment of the radiating pipe, the number of the inner fins 3 is 4, and the number of the outer fins 2 is 20.
Preferably, the outer wall of the radiating pipe body 1 and the surface of the outer fin 2 are formed with an oxide film formed by blackening treatment. An oxide film formed by blackening treatment is formed on the inner wall of the liquid passing channel 5. The oxide film can improve the corrosion resistance of the radiating pipe so as to reduce the corrosion of the first fluid and the second fluid to the radiating pipe and prolong the service life.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. The inner-fin and outer-fin radiating tube is characterized by comprising a radiating tube body, wherein a plurality of outer fins which are uniformly arranged in an annular mode at intervals are formed on the outer wall of the radiating tube body, a central column which extends along the length direction of the radiating tube body is formed in the center of an inner cavity of the radiating tube body, a plurality of inner fins which are uniformly arranged in an annular mode at intervals are formed on the inner wall of the radiating tube body, and one ends, far away from the radiating tube body, of the inner fins are integrally connected with the central column; the inner fins divide an inner cavity between the central column and the radiating tube body into independent liquid passing channels with the number equal to that of the inner fins; the radiating tube body, the outer fins, the inner fins and the central column are extruded and integrally formed through a die.
2. The internal and external fin heat dissipation tube as claimed in claim 1, wherein the material of the heat dissipation tube body, the external fins, the internal fins and the center post is aluminum alloy.
3. The internally and externally finned heat dissipation tube of claim 1, wherein said center post is cylindrical in shape.
4. The internally and externally finned heat radiating pipe of claim 3, wherein the diameter ratio of the outer diameter of the heat radiating pipe body to the outer diameter of the center pillar is 10: 1.
5. The internally and externally finned heat dissipation tube of claim 1, wherein the thickness of said internal fin is equal to that of said external fin.
6. The heat pipe of claim 1, wherein the junction of the outer fin and the outer wall of the heat pipe is formed with round corners, and the junction of the inner fin and the inner wall of the heat pipe body and the center column is formed with round corners.
7. The internally and externally finned heat dissipation tube of claim 1, wherein the number of said internal fins is 3, and the number of said external fins is 28.
8. The internally and externally finned heat dissipation tube of claim 1, wherein the number of said internal fins is 4, and the number of said external fins is 20.
9. The internal and external fin radiating pipe as claimed in claim 1, wherein the surfaces of the outer wall of the radiating pipe body and the external fins are formed with oxide films formed by blackening treatment.
10. The internally and externally finned heat radiating pipe as claimed in claim 1, wherein the inner wall of the liquid passing channel is formed with an oxide film formed by blackening treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053943.5U CN210486631U (en) | 2019-07-08 | 2019-07-08 | Internal and external fin radiating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053943.5U CN210486631U (en) | 2019-07-08 | 2019-07-08 | Internal and external fin radiating tube |
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| Publication Number | Publication Date |
|---|---|
| CN210486631U true CN210486631U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921053943.5U Active CN210486631U (en) | 2019-07-08 | 2019-07-08 | Internal and external fin radiating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210486631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360866A (en) * | 2019-07-08 | 2019-10-22 | 福建省泉州市江南冷却器厂 | A kind of inside and outside wing heat-dissipating pipe |
-
2019
- 2019-07-08 CN CN201921053943.5U patent/CN210486631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360866A (en) * | 2019-07-08 | 2019-10-22 | 福建省泉州市江南冷却器厂 | A kind of inside and outside wing heat-dissipating pipe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 362302 Binjiang industrial base, Xiamei Town, Nan'an City, Quanzhou City, Fujian Province Patentee after: Fujian Jiangnan Cooling Technology Co.,Ltd. Address before: 362302 Binjiang industrial base, Xiamei Town, Nan'an City, Quanzhou City, Fujian Province Patentee before: FUJIAN QUANZHOU JIANGNAN COOLER FACTORY |
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| CP01 | Change in the name or title of a patent holder |