CN220708181U - Copper-aluminum structure for heat exchange - Google Patents
Copper-aluminum structure for heat exchange Download PDFInfo
- Publication number
- CN220708181U CN220708181U CN202322110906.6U CN202322110906U CN220708181U CN 220708181 U CN220708181 U CN 220708181U CN 202322110906 U CN202322110906 U CN 202322110906U CN 220708181 U CN220708181 U CN 220708181U
- Authority
- CN
- China
- Prior art keywords
- copper
- aluminum
- heat exchange
- tube
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical group [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 47
- 229910052802 copper Inorganic materials 0.000 claims abstract description 37
- 239000010949 copper Substances 0.000 claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000007704 transition Effects 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004411 aluminium Substances 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of heat exchange tubes, in particular to a copper-aluminum structure for heat exchange, which comprises a snakelike heat exchange tube with a straight tube part and a bent tube part, wherein the inner layer of the heat exchange tube is an aluminum tube layer, a copper tube layer is sleeved on the aluminum tube layer, the aluminum tube layer is metallurgically combined with the copper tube layer, and spiral teeth are arranged on the inner wall of the aluminum tube layer. Through the outside cladding copper pipe at the aluminum pipe, for the radiating pipe that the aluminum pipe was made its great increase radiating effect, simultaneously, because the ductility of aluminum is better than the ductility of copper, can process out the higher spiral tooth of tooth height with the aluminum pipe as the inlayer, can increase the area of contact with inside refrigerant, simultaneously, the flow rate of refrigerant has also been accelerated in spiral setting to can accelerate heat exchange efficiency, and the heat exchange tube that adopts copper aluminium to combine the heat exchange tube of making for the copper material has reduced the cost of enterprises.
Description
Technical Field
The utility model relates to the technical field of heat exchange tubes, in particular to a copper-aluminum structure for heat exchange.
Background
The heat pipe is an important component in air conditioning system for transferring refrigerating or heating medium to cool or heat air. The heat exchange tube is usually made of metal materials, such as copper tubes or aluminum tubes, and the heat exchange effect of the aluminum tubes is inferior to that of copper tubes, however, the copper tubes are high in cost and increase the burden of enterprises, so that a copper-aluminum structure for heat exchange is provided to solve the problems.
Disclosure of Invention
The utility model aims to solve the defects that the heat exchange effect of an aluminum pipe serving as a heat exchange pipe is inferior to that of a copper pipe in the prior art, but the cost is high and the burden of enterprises is increased by adopting the copper pipe as the heat exchange pipe.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a copper aluminium structure that heat transfer was used, includes the snakelike heat exchange tube that has straight tube portion and return bend portion, the inlayer of heat exchange tube is the aluminum pipe layer, and the cover is equipped with the copper pipe layer on the aluminum pipe layer, aluminum pipe layer and copper pipe layer metallurgical bond, realize metallurgical bonding under high temperature and high pressure, and the inner wall on aluminum pipe layer is provided with spiral tooth, and spiral tooth can increase the area of contact with inside refrigerant, simultaneously, the velocity of flow of refrigerant has also been accelerated in spiral setting to can accelerate heat exchange efficiency.
As a preferable technical scheme of the utility model, the diameter of the heat exchange tube is 7mm, and the number of the spiral teeth is 50-55.
As a preferable technical scheme of the utility model, the tooth height of the spiral tooth is 0.1-0.3 mm, and the thickness ratio of the tooth height to the aluminum pipe layer is 0.1-0.3:1.
As a preferable technical scheme of the utility model, the straight pipe part and the bent pipe part are welded and connected, and the copper pipe layer is arranged on the outer side, so that the welding operation is convenient relative to the aluminum pipe layer.
As a preferable technical scheme of the utility model, the middle parts of the copper pipe layer and the aluminum pipe layer form a transition layer after metallurgical bonding, and the thickness ratio of the copper pipe layer to the transition layer to the aluminum pipe layer is 1:0.1-0.3:3-5.
The beneficial effects of the utility model are as follows:
because the heat dissipation of copper is better than the heat dissipation of aluminium, through the cladding copper pipe in the outside of aluminum pipe, for the radiating pipe that the aluminum pipe was made its great increase radiating effect, simultaneously, because the ductility of aluminum is better than the ductility of copper, can process out the higher spiral tooth of tooth height with the aluminum pipe as the inlayer, can increase the area of contact with inside refrigerant, simultaneously, the velocity of flow of refrigerant has also been accelerated in spiral setting to can accelerate heat exchange efficiency, and the heat exchange pipe that adopts copper aluminium to combine the heat exchange pipe of making for the heat exchange pipe that the copper material made has reduced cost in enterprises.
Drawings
Fig. 1 is a schematic structural diagram of a copper-aluminum structure for heat exchange according to the present utility model;
fig. 2 is a sectional view of a copper-aluminum structure for heat exchange according to the present utility model.
In the figure: 1. a straight pipe section; 2. a bent pipe part; 3. an aluminum pipe layer; 4. copper pipe layer; 5. helical teeth.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, a copper-aluminum structure for heat exchange comprises a serpentine heat exchange tube with a straight tube part 1 and a bent tube part 2, wherein the diameter of the heat exchange tube is 7mm, the inner layer of the heat exchange tube is an aluminum tube layer 3, a copper tube layer 4 is sleeved on the aluminum tube layer 3, the aluminum tube layer 3 is metallurgically bonded with the copper tube layer 4, a transition layer is formed at the middle part of the metallurgically bonded copper tube layer 4 and the aluminum tube layer 3, the thickness ratio of the copper tube layer 4, the transition layer and the aluminum tube layer 3 is 1:0.1-0.3:3-5, the metallurgically bonding is realized at high temperature and high pressure, spiral teeth 5 are arranged on the inner wall of the aluminum tube layer 3, the number of teeth of the spiral teeth 5 is 50-55, the tooth height of the spiral teeth 5 is 0.1-0.3 mm, the thickness ratio of the tooth height and the aluminum tube layer 3 is 0.1-0.3:1, and the contact area between the spiral teeth 5 and an internal refrigerant can be increased, and simultaneously, the flow rate of the refrigerant is also accelerated by the spiral arrangement, so that the heat exchange efficiency can be accelerated.
It should be noted that the straight tube portion 1 and the bent tube portion 2 are connected by welding, and the welding operation is facilitated by providing the copper tube layer 4 on the outer side with respect to the aluminum tube layer 3.
In this embodiment: through cladding copper pipe layer 4 in the outside of aluminum pipe layer 3, its great increase radiating effect for the cooling tube that pure aluminum pipe made, simultaneously, because the ductility of aluminum is better than the ductility of copper, can process out the higher spiral tooth 5 of tooth height with aluminum pipe layer 3 as the inlayer, can increase the area of contact with inside refrigerant, simultaneously, spiral tooth 5 sets up the velocity of flow that has also accelerated the refrigerant to can accelerate heat exchange efficiency, and the heat exchange tube that adopts copper aluminium to combine the heat exchange tube of making for the copper material has reduced the cost of enterprises.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a copper aluminium structure that heat transfer was used, includes the snakelike heat exchange tube that has straight tube portion (1) and return bend portion (2), its characterized in that, the inlayer of heat exchange tube is aluminum pipe layer (3), and the cover is equipped with copper pipe layer (4) on aluminum pipe layer (3), aluminum pipe layer (3) and copper pipe layer (4) metallurgical bond, and the inner wall of aluminum pipe layer (3) is provided with helical tooth (5).
2. The copper-aluminum structure for heat exchange according to claim 1, wherein the diameter of the heat exchange tube is 7mm, and the number of teeth of the spiral teeth (5) is 50-55.
3. The copper-aluminum structure for heat exchange according to claim 2, wherein the tooth height of the spiral tooth (5) is 0.1-0.3 mm, and the thickness ratio of the tooth height to the aluminum pipe layer (3) is 0.1-0.3:1.
4. The copper-aluminum structure for heat exchange according to claim 1, wherein the straight pipe portion (1) is welded to the bent pipe portion (2).
5. The copper-aluminum structure for heat exchange according to claim 1, wherein the copper pipe layer (4) and the aluminum pipe layer (3) form a transition layer at the middle part after metallurgical bonding, and the thickness ratio of the copper pipe layer (4), the transition layer and the aluminum pipe layer (3) is 1:0.1-0.3:3-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322110906.6U CN220708181U (en) | 2023-08-08 | 2023-08-08 | Copper-aluminum structure for heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322110906.6U CN220708181U (en) | 2023-08-08 | 2023-08-08 | Copper-aluminum structure for heat exchange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708181U true CN220708181U (en) | 2024-04-02 |
Family
ID=90446641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322110906.6U Active CN220708181U (en) | 2023-08-08 | 2023-08-08 | Copper-aluminum structure for heat exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220708181U (en) |
-
2023
- 2023-08-08 CN CN202322110906.6U patent/CN220708181U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |