CN216017524U - Brazed water-cooled plate module - Google Patents
Brazed water-cooled plate module Download PDFInfo
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- CN216017524U CN216017524U CN202121811684.5U CN202121811684U CN216017524U CN 216017524 U CN216017524 U CN 216017524U CN 202121811684 U CN202121811684 U CN 202121811684U CN 216017524 U CN216017524 U CN 216017524U
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Abstract
The utility model relates to the technical field of heat dissipation devices, in particular to a brazed water-cooled plate module which comprises a substrate and at least one flow channel module fixed on the substrate, wherein one surface of the flow channel module, facing the substrate, is provided with a groove, and the surface of the flow channel module, facing away from the substrate, is a heat absorption surface for attaching a heating electronic element; the two side surfaces of the flow channel module are respectively provided with a water inlet and a water outlet which are communicated with the groove; the runner module extends a plurality of heat transfer columns arranged at intervals from the bottom of the groove to the substrate, and the grooves are separated by the heat transfer columns to form runners. The runner module is formed by solid die casting, and can be welded to form the water cooling plate by matching with the substrate, so that the one-time design success rate of the water cooling plate is improved; and the flow channel design in the flow channel module improves the heat dissipation effect.
Description
Technical Field
The utility model relates to the technical field of heat dissipation devices, in particular to a brazed water-cooling plate module.
Background
Industrial equipment such as inverters and frequency converters use many high-power components such as IGBTs, MOS transistors, rectifiers, etc. High-power components and parts can be along with a large amount of heat productions at the during operation, if do not dispel the heat, high-power components and parts will stop work or burn out under the settlement temperature. Therefore, for a high-power component, a radiator needs to be installed to dissipate heat of the component, so as to ensure normal operation of the component.
Water-cooling heat dissipation is a common way for heat dissipation of high-power components of industrial equipment, and a water-cooling plate is an important part of a water-cooling heat dissipation system. Common processing modes of the water cooling plate include: 1, CNC machining a water flow channel, and then sealing by adopting stirring welding; and 2, CNC machining the water flow channel and then embedding the copper pipe or the rotten steel pipe into the substrate.
Generally, the water cooling plate is relatively time-consuming in machining a water flow channel by adopting a CNC (computer numerical control), the production period is long, and the manufacturing cost of a product is high; in addition, the shape of the overall structural design of the water cooling plate is not fixed, so that the difficulty of flow channel design is increased; meanwhile, the customized water cooling plate structure is too many, the flow is too complicated, the heat dissipation and the fluid parameter acquisition are difficult, and the design performance often cannot meet the use requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a brazing water-cooling plate module, a standardized flow channel module is formed by solid-state die casting, and can be welded to form a water-cooling plate by matching with a substrate, so that the one-time design success rate of the water-cooling plate is improved; and the flow channel design in the flow channel module improves the heat dissipation effect.
In order to achieve the above object, the technical solution adopted by the present invention is to provide a brazed water-cooled plate module, which includes a substrate and at least one flow channel module fixed on the substrate, wherein a groove is formed on one surface of the flow channel module facing the substrate, and a heat absorbing surface is formed on one surface of the flow channel module facing away from the substrate, so as to attach a heat generating electronic component; the two side surfaces of the flow channel module are respectively provided with a water inlet and a water outlet, and the water inlet and the water outlet are communicated with the groove; the runner module extends a plurality of heat transfer columns arranged at intervals from the groove bottom of the groove to the substrate, and the heat transfer columns separate the groove to form a runner.
As a preferred scheme, the brazing water-cooling plate module further comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is welded with the water inlet, and the water outlet pipe is welded with the water outlet.
As a preferable scheme, when the number of the runner modules is more than one, the brazing water-cooling plate module further comprises a connecting pipe, and the water outlet of the runner module is communicated with the water inlet of the adjacent runner module through the connecting pipe.
As a preferable scheme, the flow channel module is provided with a separation block corresponding to the groove, and the groove is separated by the separation block to form a main flow channel.
Preferably, the main flow channel is U-shaped.
As a preferable scheme, the heat transfer columns are arranged in the main flow channel and divide the main flow channel into a plurality of secondary flow channels.
As a preferable scheme, the heat transfer column is a fan-shaped column, the side surface of the fan-shaped column comprises two planes and an arc surface, the two planes form a guide part, and the guide part is arranged at the water inlet end in the water flow direction.
As a preferable scheme, a plurality of the heat transfer columns are arranged in a diamond shape.
Preferably, the top surfaces of the heat transfer columns and the top surfaces of the partition blocks are flush with the top surfaces of the grooves.
As a preferred scheme, the runner module is provided with a boss around the top surface of the groove thereof, the substrate is provided with a mounting hole, and the boss is inserted into the mounting hole.
The utility model has the beneficial effects that:
1. the channel module of the utility model separates the grooves into channels through the heat transfer columns, and the flowing resistance can be reduced when the cooling liquid flows through, so that the cooling liquid can generate turbulent flow more easily, and the heat dissipation effect is improved;
2. the heat transfer column and the runner module are molded by solid die-casting to form a standardized runner module, parameters such as heat dissipation performance, fluid pressure drop and the like of the runner module have a large amount of experimental data, and the one-time design success rate of the water cooling plate is improved; and the water cooling plate can be formed by welding by matching with a simple substrate structure, so that the time and the workload of machining are reduced, the cost is saved, and the manufacturing efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a brazed water cooled plate module of the present invention.
FIG. 2 is a schematic cross-sectional view of a brazed water cooled plate module of the present invention taken through the center of the connecting tube.
Fig. 3 is a schematic structural view of the flow channel module of the present invention.
The reference numbers illustrate: 10-a substrate; 20-a runner module; 21-a groove; 22-a boss; 23-a water inlet; 24-a water outlet; 30-water inlet pipe; 40-water outlet pipe; 50-connecting pipe; 60-dividing blocks; 70-a heat transfer column; 71-a guide.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are used broadly and can be, for example, a fixed connection, a detachable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the present invention relates to a brazed water-cooled plate module, which includes a substrate 10 and a flow channel module 20 fixed on the substrate 10, wherein the flow channel module 20 and the substrate 10 are brazed to form a cavity; a groove 21 is formed in one surface, facing the substrate 10, of the flow channel module 20, and a surface, facing away from the substrate 10, of the flow channel module 20 is a heat absorbing surface for attaching a heating electronic element; the flow channel module 20 is provided with a water inlet 23 and a water outlet 24 on two side surfaces respectively, and the water inlet 23 and the water outlet 24 are communicated with the groove 21; the flow channel module 20 extends from the bottom of the groove 21 to the substrate 10 and has a plurality of spaced heat transfer pillars 70, and the heat transfer pillars 70 divide the groove 21 to form flow channels. The heat transfer column transfers heat from the heat absorption surface to the flow channel and exchanges heat with the cooling liquid; .
The channel module 20 of the utility model divides the groove 21 into channels through the heat transfer column 70, and the flowing resistance can be reduced when the cooling liquid flows through, so that the cooling liquid can generate turbulent flow more easily, and the heat dissipation effect is improved; the heat transfer column 70 and the runner module 20 are molded by solid-state die casting to form a standardized runner module 20, and parameters such as heat dissipation performance, fluid pressure drop and the like of the runner module have a large amount of experimental data, so that the one-time design success rate of the water cooling plate is improved; and the simple substrate 10 structure is matched to form the water cooling plate by welding, and meanwhile, the water inlet 23 and the water outlet 24 are formed in the flow channel module 20, so that liquid pipelines are convenient to weld, the time and the workload of machining are reduced, the cost is saved, and the manufacturing efficiency is improved.
The brazing water-cooling plate module further comprises a water inlet pipe 30 and a water outlet pipe 40, wherein the water inlet pipe 30 is welded with the water inlet 23, and the water outlet pipe 40 is welded with the water outlet 24. The inlet pipe 30 is filled with cooling liquid, and the cooling liquid enters the flow channel module 20 through the inlet port 23 and then exits from the outlet pipe 40 through the outlet port 24. The specific working principle is as follows: the heat absorbing surface of the substrate 10 is attached to the heat generating electronic component, and the heat transfer column 70 transfers heat from the heat absorbing surface to the flow channel, so that the cooling liquid in the flow channel module 20 exchanges heat with the heat, thereby carrying away the heat of the heat generating electronic component.
In this embodiment, the number of the flow channel modules 20 is three, and when the number of the flow channel modules 20 exceeds one, the brazing water cooling plate module further includes a connecting pipe 50, the water outlet 24 of the flow channel module 20 is communicated with the water inlet 23 of the adjacent flow channel module 20 through the connecting pipe 50, specifically: the water inlet 23 and the water outlet 24 of the middle flow channel module 20 are both communicated with the flow channel modules 20 at the two sides through the connecting pipe 50. The cooling liquid enters the first flow channel module 20 through the water inlet pipe 30, enters the second flow channel module 20 (i.e., the middle flow channel module 20) through the connecting pipe 50, enters the third flow channel module 20 through the connecting pipe 50, and finally flows out through the water outlet pipe 40. The plurality of flow channel modules 20 are connected into an intercommunicated channel through the connecting pipe 50, and a group of water inlet pipe 30 and a group of water outlet pipe 40 do not need to be connected to each flow channel module 20, so that the cost is saved.
As shown in fig. 3, the channel module 20 is provided with a separating block 60 corresponding to the groove 21, the groove 21 is separated by the separating block 60 to form a main channel (not shown), and the flow path direction in the channel module 20 is determined by the separating block 60, in this embodiment, the number of the separating block 60 is one, so the main channel is U-shaped, and the flow path direction can also be redesigned by increasing the number of the separating block 60. The heat transfer columns 70 are arranged in the main flow passage and divide the main flow passage into a plurality of secondary flow passages (not shown), and the heat transfer columns 70 are arranged in the main flow passage, so that the heat conduction and heat dissipation area is increased; on the other hand, the direction of the liquid can be guided.
Preferably, the heat transfer column 70 is a fan-shaped column, the side surface of which includes two planes (not shown) and an arc surface (not shown), the two planes forming a guide portion 71, the guide portion 71 being disposed at the water inlet end in the water flow direction; the plurality of heat transfer columns 70 are arranged in a diamond shape. The design of fan-shaped post can reduce the through-flow resistance of coolant liquid, and many places fan-shaped post form irregular shape in the runner simultaneously, make the coolant liquid produce the turbulent flow more easily, promote the radiating effect.
In the present embodiment, the heat transfer column 70, the partition block 60 and the flow channel module 20 are integrally formed by solid die casting, and the top surfaces of the heat transfer column 70 and the partition block 60 are flush with the top surface of the groove 21, so as to reduce the time and workload of machining, save the cost and improve the manufacturing efficiency.
In order to facilitate the welding of the flow channel module 20 and the substrate 10, the flow channel module 20 is provided with a boss 22 around the top surface of the groove 21, the substrate 10 is provided with a mounting hole (not shown), and the boss 22 is inserted into the mounting hole. In the present embodiment, bosses 22 are provided at four corners of the flow channel module 20, and threaded holes (not shown) are provided on the bosses 22, so that the flow channel module 20 and the substrate 10 can be fastened by bolts or screws.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (10)
1. A brazed water cooled plate module, comprising: the heat-absorbing structure comprises a substrate and at least one flow channel module fixed on the substrate, wherein a groove is formed in one surface, facing the substrate, of the flow channel module, and a heat-absorbing surface is formed in one surface, opposite to the substrate, of the flow channel module and used for attaching a heating electronic element; the two side surfaces of the flow channel module are respectively provided with a water inlet and a water outlet, and the water inlet and the water outlet are communicated with the groove; the runner module extends a plurality of heat transfer columns arranged at intervals from the groove bottom of the groove to the substrate, and the heat transfer columns separate the groove to form a runner.
2. The brazed water cooled plate module of claim 1, wherein: the brazing water-cooling plate module further comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is welded with the water inlet, and the water outlet pipe is welded with the water outlet.
3. The brazed water cooled plate module of claim 2, wherein: when the number of the runner modules is more than one, the brazing water-cooling plate module further comprises a connecting pipe, and the water outlet of each runner module is communicated with the water inlet of the adjacent runner module through the connecting pipe.
4. The brazed water cooled plate module of claim 1, wherein: the flow channel module is provided with a separation block corresponding to the groove, and the groove is separated by the separation block to form a main flow channel.
5. The brazed water cooled plate module of claim 4, wherein: the main runner is U-shaped.
6. The brazed water cooled plate module of claim 5, wherein: the heat transfer columns are arranged in the main flow passage and divide the main flow passage into a plurality of secondary flow passages.
7. The brazed water cooled plate module of claim 6, wherein: the heat transfer column is a fan-shaped column, the side surface of the fan-shaped column comprises two planes and an arc surface, the two planes form a guide part, and the guide part is arranged at the water inlet end in the water flow direction.
8. The brazed water cooled plate module of claim 7, wherein: the heat transfer columns are arranged in a diamond shape.
9. The brazed water cooled plate module of claim 8, wherein: the top surfaces of the heat transfer columns and the top surfaces of the separation blocks are flush with the top surfaces of the grooves.
10. The brazed water cooled plate module of claim 9, wherein: the runner module is provided with bosses around the top surfaces of the grooves, the base plate is provided with mounting holes, and the bosses are inserted into the mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121811684.5U CN216017524U (en) | 2021-08-04 | 2021-08-04 | Brazed water-cooled plate module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121811684.5U CN216017524U (en) | 2021-08-04 | 2021-08-04 | Brazed water-cooled plate module |
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| Publication Number | Publication Date |
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| CN216017524U true CN216017524U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121811684.5U Active CN216017524U (en) | 2021-08-04 | 2021-08-04 | Brazed water-cooled plate module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053599A (en) * | 2023-07-25 | 2023-11-14 | 珠海风合节能科技开发有限公司 | Detachable modularized plate-tube heat exchanger |
-
2021
- 2021-08-04 CN CN202121811684.5U patent/CN216017524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053599A (en) * | 2023-07-25 | 2023-11-14 | 珠海风合节能科技开发有限公司 | Detachable modularized plate-tube heat exchanger |
| CN117053599B (en) * | 2023-07-25 | 2024-02-23 | 珠海风合节能科技开发有限公司 | Detachable modularized plate-tube heat exchanger |
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