CN220606351U - Radiator of brazing process - Google Patents
Radiator of brazing process Download PDFInfo
- Publication number
- CN220606351U CN220606351U CN202321841805.XU CN202321841805U CN220606351U CN 220606351 U CN220606351 U CN 220606351U CN 202321841805 U CN202321841805 U CN 202321841805U CN 220606351 U CN220606351 U CN 220606351U
- Authority
- CN
- China
- Prior art keywords
- radiator
- bottom plate
- aluminum
- aluminum bottom
- brazing process
- 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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- 238000005219 brazing Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 53
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000004519 grease Substances 0.000 description 7
- 229920001296 polysiloxane Polymers 0.000 description 7
- 238000004512 die casting Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 2
- 101001082832 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) Pyruvate carboxylase 2 Proteins 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a radiator of a brazing process, which comprises an aluminum bottom plate, wherein a power supply PCB and the radiator are arranged on the aluminum bottom plate; the power tube of the power supply PCB is attached to the radiator through the ceramic plate and is fastened with the radiator through screws; the radiator is welded with the aluminum bottom plate integrally through a brazing process, and uneven gaps on the surfaces of the radiator and the aluminum bottom plate are filled with brazing materials and welded into a whole through hot melting. The radiator of the brazing process has compact structural layout, the aluminum profile or the radiating tank and the aluminum bottom plate are integrally welded by the brazing process, the assembly process is simple, the radiating effect is good, the thermal resistance is low, the temperature rise of the power device is low, the service life of the power device is prolonged, and the like, and the radiator can be widely popularized and used.
Description
Technical Field
The utility model particularly relates to a radiator with a brazing process, and belongs to the technical field of radiators of liquid cooling power supplies.
Background
The radiator mounting mode of the liquid cooling power supply in the existing market mainly comprises the following steps:
1. the power heating device directly clings to the aluminum bottom plate for heat dissipation, the heat dissipation loop is short, the heat dissipation is fast, but the occupied space is large, and the utilization rate of the aluminum bottom plate is low; the dissipated power of the TO247 packaged power device is about 45W;
2. the power heating device is tightly attached to an aluminum profile or a heat dissipation tank for heat dissipation, and the bottom of the aluminum profile or the heat dissipation tank is coated with silicone grease and then attached to an aluminum bottom plate for heat dissipation; because the flatness of the contact surfaces of the aluminum profile, the heat dissipation tank and the aluminum bottom plate is provided with a tiny gap, the heat conduction silicone grease is coated for heat conduction, the heat resistance is large, the heat dissipation effect is poor, and the dissipation power of the TO247 packaged power device is about 25W in general cases;
3. the die is opened to customize the L-shaped section, the power device is tightly attached to the L-shaped section for heat dissipation, the die opening cost is high, the influence of the die shape is caused, and the layout difficulty of the circuit board is high; in general, the dissipated power of the TO247 packaged power device is about 35W;
4. the die-casting die is used for die-casting the special-shaped section bar, the power device is closely attached to the section bar for heat dissipation, the die-casting cost is high, the die-casting radiator is high in cost, and the product development period is long;
the radiator and the mounting structure have certain disadvantages, so that development of a radiator which can be well applied to heat dissipation of a liquid cooling power heating device is needed.
Disclosure of Invention
In order to solve the problems, the utility model provides a radiator with a brazing process, which has compact structural layout, high radiating efficiency and low temperature rise of a power device.
The radiator of the brazing process comprises an aluminum bottom plate, wherein a power supply PCB and the radiator are arranged on the aluminum bottom plate; the power tube of the power supply PCB is attached to the radiator through the ceramic plate and is fastened with the radiator through screws; the radiator is welded with the aluminum bottom plate integrally through a brazing process, and uneven gaps on the surfaces of the radiator and the aluminum bottom plate are filled with brazing materials and welded into a whole through hot melting.
The radiator and the aluminum bottom plate are welded integrally to form a brazing bottom plate, and various radiating tanks of the brazing bottom plate are brazed at a specified position according to requirements; therefore, during assembly, the procedures of smearing silicone grease, screwing and the like are omitted, and the working efficiency can be effectively improved; the bottom plate and the heat dissipation tank are combined more tightly by adopting a brazing process, so that the heat conduction efficiency is higher, and the heat dissipation performance can be effectively improved; the heat resistance is reduced, and the heat dissipation of the power device is facilitated; the processing flatness requirements of the surfaces of the radiator, the aluminum tank and the aluminum bottom plate are reduced, and the processing reserved screw positions of the aluminum bottom plate are reduced; the manual operation workload of production is reduced.
Further, the radiator is one or more radiating tanks and/or one or more radiating aluminum profiles matched with each power device.
Further, a heat exchange pipeline is brazed in the heat dissipation tank; the heat exchange pipeline is connected to an air cooling circulation pipeline or a water cooling circulation pipeline; the independent radiating effect of the radiating tank is enhanced, when the internal temperature of the radiator, the temperature of the radiating tank or the aluminum bottom plate reaches the limit value set by the temperature, the air cooling circulation pipeline or the water cooling circulation pipeline is triggered, and the air cooling circulation pipeline or the water cooling circulation pipeline fills the air cooling working medium or the water cooling working medium into the heat exchange pipeline, and the absorbed temperature of the radiating tank is directly taken away through the heat exchange pipeline, so that the temperature of the radiating tank is rapidly reduced, and the radiating tank enters the safe working range.
Compared with the prior art, the radiator adopting the brazing process has the advantages of compact structural layout, simple assembly process, good heat dissipation effect, low thermal resistance, low temperature rise of the power device, prolonged service life of the power device and the like, and can be widely popularized and used by integrally welding the aluminum profile or the heat dissipation tank with the aluminum bottom plate through the brazing process.
Drawings
Fig. 1 is an exploded view of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the present utility model.
Detailed Description
Example 1:
the radiator of the brazing process shown in fig. 2 comprises an aluminum bottom plate 1, wherein a power supply PCB 2 and a radiator 3 are arranged on the aluminum bottom plate 1; the power tube 21 of the power supply PCB 2 is attached to the radiator 3 through the ceramic plate 22 and is fastened with the radiator 3 through screws; the radiator 3 is integrally welded with the aluminum bottom plate 1 through a brazing process, and uneven gaps on the surfaces of the radiator 3 and the aluminum bottom plate 1 are filled with brazing materials and are integrally welded through hot melting.
As shown in fig. 1, when the existing radiator 3 and the aluminum bottom plate 1 are installed, a plurality of installation holes 11 are required to be formed at the bottoms of the aluminum bottom plate 1 and the radiator 3, the procedures of smearing silicone grease, screwing 12 and the like are required to be carried out during installation, after installation, as the flatness of the contact surface of the aluminum profile or the radiating tank and the aluminum bottom plate is provided with a tiny gap, the heat conduction silicone grease is smeared for heat conduction, the thermal resistance is large, and the radiating effect is poor; therefore, during assembly, the procedures of smearing silicone grease, screwing and the like are omitted, and the working efficiency can be effectively improved; the bottom plate and the heat dissipation tank are combined more tightly by adopting a brazing process, so that the heat conduction efficiency is higher, and the heat dissipation performance can be effectively improved; the heat resistance is reduced, and the heat dissipation of the power device is facilitated; the processing flatness requirements of the surfaces of the radiator, the aluminum tank and the aluminum bottom plate are reduced, and the processing reserved screw positions of the aluminum bottom plate are reduced; the manual operation workload of production is reduced.
The utility model directly connects the heat-dissipating aluminum profile and the aluminum tank to the aluminum bottom plate into a whole by using a brazing process, gaps generated by the surface irregularities of the heat-dissipating aluminum profile, the aluminum tank and the aluminum bottom plate are filled by brazing materials, the heat conductivity coefficient of the brazing materials of 3 series aluminum is 200w/m-k, the heat conductivity coefficient of the brazing materials of 6 series aluminum is 260w/m-k, the heat conductivity coefficient of aluminum is 260w/m-k, and the heat conductivity coefficient of lead solder is close to that of metal aluminum and is far superior to that of heat-conducting silicone grease; the dissipated power of the TO247 packaged power device reaches about 35W.
Wherein, the radiator 3 is one or more radiating tanks and/or one or more radiating aluminum profiles matched with each power device.
In a further embodiment, a heat exchange pipeline is brazed in the heat dissipation tank 3; the heat exchange pipeline is connected to an air cooling circulation pipeline or a water cooling circulation pipeline; the independent radiating effect of the radiating tank is enhanced, when the internal temperature of the radiator, the temperature of the radiating tank or the aluminum bottom plate reaches the limit value set by the temperature, the air cooling circulation pipeline or the water cooling circulation pipeline is triggered, and the air cooling circulation pipeline or the water cooling circulation pipeline fills the air cooling working medium or the water cooling working medium into the heat exchange pipeline, and the absorbed temperature of the radiating tank is directly taken away through the heat exchange pipeline, so that the temperature of the radiating tank is rapidly reduced, and the radiating tank enters the safe working range.
The above embodiments are merely preferred embodiments of the present utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (3)
1. The radiator comprises an aluminum bottom plate, wherein a power supply PCB and the radiator are arranged on the aluminum bottom plate; the power tube of the power supply PCB is attached to the radiator through the ceramic plate and is fastened with the radiator through screws; the method is characterized in that: the radiator is welded with the aluminum bottom plate integrally through a brazing process, and uneven gaps on the surfaces of the radiator and the aluminum bottom plate are filled with brazing materials and welded into a whole through hot melting.
2. The brazing process heat sink according to claim 1, wherein: the radiator is one or more radiating tanks and/or one or more radiating aluminum profiles matched with each power device.
3. The heat sink of the brazing process according to claim 2, wherein: a heat exchange pipeline is brazed in the heat dissipation tank; the heat exchange pipeline is connected to an air cooling circulation pipeline or a water cooling circulation pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841805.XU CN220606351U (en) | 2023-07-13 | 2023-07-13 | Radiator of brazing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841805.XU CN220606351U (en) | 2023-07-13 | 2023-07-13 | Radiator of brazing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220606351U true CN220606351U (en) | 2024-03-15 |
Family
ID=90183314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321841805.XU Active CN220606351U (en) | 2023-07-13 | 2023-07-13 | Radiator of brazing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220606351U (en) |
-
2023
- 2023-07-13 CN CN202321841805.XU patent/CN220606351U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A brazing process for radiator Granted publication date: 20240315 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: Shenzhen Lianming Power Supply Co.,Ltd. Registration number: Y2024980011794 |