High-reliability water-cooling radiator

Abstract

The utility model relates to the technical field of water-cooling radiators, and particularly discloses a high-reliability water-cooling radiator which comprises a base plate, a cover plate, an inlet connector block and an outlet connector block, a water channel for cooling liquid to flow is formed in the base plate, and the water channel is formed in a die-casting mode; the cover plate covers the opening of the water channel; the inlet connector block and the outlet connector block are fixedly installed at the two ends of the base plate respectively, a liquid inlet is formed in the inlet connector block, a liquid outlet is formed in the outlet connector block, and the liquid inlet and the liquid outlet are both communicated with the water channel; the end, away from the cover plate, of the substrate abuts against the electronic component. The water channel in the base plate is firstly subjected to die-casting forming, then the base plate, the cover plate, the inlet connector block and the outlet connector block are machined respectively and then welded into a whole in a vacuum brazing mode, waste of raw materials in the production process can be effectively reduced, the production cost is reduced, and meanwhile the machining time is saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water-cooled heat sinks, in particular to a high-reliability water-cooled heat sink. BACKGROUND

[0002] A water-cooled heat sink is a heat dissipation device, and its working principle is as follows: under the driving of a water pump, a cooling liquid flows into a water channel of a base plate of the water-cooled heat sink from a joint block; heat generated by electronic components is transmitted to the base plate through heat conduction, and then the cooling liquid absorbs the heat and flows out of the water channel; then, the cooling liquid releases heat and reduces in temperature, and then flows back into the base plate to continue to absorb heat, so as to continuously reduce the temperature of the electronic components and keep them within a safe working range. Since the cooling method of the water-cooled heat sink is economical and reliable, and the cooling efficiency is high, the water-cooled heat sink plays an important role in the operation of medical equipment.

[0003] In the related art, a water-cooled heat sink includes a base plate, a cover plate, an inlet joint block and an outlet joint block, the base plate is provided with a water channel for flowing of a cooling liquid, the cover plate covers an opening at an upper end of the base plate, the inlet joint block and the outlet joint block are respectively installed at two ends of the base plate and are in communication with a water pump. The conventional water-cooled heat sink is manufactured in an integrated manner, that is, the base plate, the cover plate, the inlet joint block and the outlet joint block are made of one piece of material, and the water channel and the outer shape are milled by CNC machining.

[0004] However, for water-cooled heat sink products with inconsistent thicknesses, CNC machining causes great waste of raw materials and high production cost. CONTENT OF THE INVENTION

[0005] In order to reduce the waste of raw materials during the production and processing of the water-cooled heat sink and effectively reduce the production cost of the water-cooled heat sink, the present application provides a high-reliability water-cooled heat sink.

[0006] The high-reliability water-cooled heat sink provided by the present application adopts the following technical scheme:

[0007] A high-reliability water-cooled heat sink includes a base plate, a cover plate, an inlet joint block and an outlet joint block, the base plate is provided with a water channel for flowing of a cooling liquid, the water channel is formed by pressure casting; the cover plate covers an opening of the water channel; the inlet joint block and the outlet joint block are respectively fixedly installed at two ends of the base plate, the inlet joint block is provided with an inlet, the outlet joint block is provided with an outlet, and the inlet and the outlet are in communication with the water channel; and an end of the base plate away from the cover plate is in abutment with electronic components.

[0008] By adopting the technical scheme, the electronic component transmits heat to the base plate, the cooling liquid flows into the water channel from the liquid inlet, absorbs heat after passing through the base plate, and then flows out through the liquid outlet, so as to reduce the temperature of the electronic component and realize heat dissipation of the electronic component; the water channel is processed by pressure casting, the cover plate, the inlet joint block and the outlet joint block are processed respectively, and then the base plate, the cover plate, the inlet joint block and the outlet joint block are connected to form the water-cooled radiator, so that the waste of raw materials in the production process is effectively reduced, the production cost is reduced, and the processing time is saved.

[0009] Optionally, the end of the cover plate towards the base plate is fixedly provided with a plurality of fins.

[0010] By adopting the technical scheme, the fins contact the cooling liquid flowing in the water channel to generate turbulence, affect the flow speed and direction of the cooling liquid, and increase the heat dissipation efficiency of the water-cooled radiator.

[0011] Optionally, the water channel is a groove type water channel.

[0012] By adopting the technical scheme, the groove type water channel can be designed with different sizes according to the heat dissipation requirement, so as to better guide the flow of the cooling liquid, effectively improve the heat transfer efficiency, and improve the heat dissipation effect of the water-cooled radiator.

[0013] Optionally, the width of the water channel is 29mm, and the depth of the water channel is 12mm.

[0014] Optionally, the two ends of the base plate are respectively provided with plug-in blocks, the plug-in blocks are provided with liquid flow openings, the liquid flow openings are connected with the water channel, the inlet joint block and the outlet joint block are respectively provided with plug-in grooves, the plug-in grooves are connected with the liquid inlet or the liquid outlet, the plug-in blocks are plug-in connected with the plug-in grooves, and the groove walls of the plug-in blocks and the plug-in grooves are connected by vacuum brazing.

[0015] By adopting the technical scheme, the inlet joint block and the outlet joint block are respectively plug-in connected at the two ends of the base plate, and are welded and connected by vacuum brazing, so that the connection strength of the base plate, the inlet joint block and the outlet joint block is high, and the sealing performance is good.

[0016] Optionally, the liquid inlet and the liquid outlet are located on the same side of the base plate.

[0017] By adopting the technical scheme, the liquid inlet and the liquid outlet are located on the same side of the base plate, so as to facilitate installation and use of the water-cooled radiator.

[0018] Optionally, the cover plate, the inlet joint block and the outlet joint block are all processed by CNC.

[0019] By adopting the technical scheme, the CNC machining has high machining precision and high repeatability, so as to ensure the assembly precision of each cover plate, inlet joint block and outlet joint block, and make the water-cooled radiator have good sealing performance.

[0020] Optionally, the base plate and the cover plate are welded and connected by vacuum brazing.

[0021] By adopting the technical scheme, the vacuum brazing makes the water channel have good sealing effect, so as to ensure good heat dissipation effect and prolong the service life of the water-cooled radiator.

[0022] Optionally, the base plate, the cover plate, the inlet joint block and the outlet joint block are all made of T2 red copper.

[0023] By adopting the technical scheme, the T2 red copper has good heat conduction performance and can quickly transfer heat, and the T2 red copper has excellent processing performance and corrosion resistance and is suitable for various application environments.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The water channel is processed by pressure casting, and then the cover plate, the inlet joint block and the outlet joint block are processed and connected, which effectively reduces the waste of raw materials in the production process, reduces the production cost, and saves the processing time;

[0026] 2. The fins are fixedly installed on the base plate, the fins contact the cooling liquid flowing in the water channel to disturb the flow, affect the flow speed and direction of the cooling liquid, and increase the heat dissipation efficiency of the water-cooled radiator;

[0027] 3. The base plate and the cover plate are welded and connected by vacuum brazing, so that the water channel has good sealing effect, thereby ensuring good heat dissipation effect and prolonging the service life of the water-cooled radiator. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0029] Figure 2 is an exploded view of the embodiment of the present application;

[0030] Figure 3 is a schematic diagram of the cover plate highlighting the first welding joint and the fin.

[0031] The drawings show that: 1, base plate; 11, water channel; 12, plug-in block; 13, liquid inlet; 14, second welding joint; 15, reinforcing rib; 2, cover plate; 21, first welding joint; 22, fin; 3, inlet joint block; 31, liquid inlet; 4, outlet joint block; 41, liquid outlet; 5, plug-in groove. DETAILED DESCRIPTION

[0032] The following description will be made in conjunction with the accompanying drawings Figures 1-3 The application is further described in detail.

[0033] The embodiment of the application discloses a high-reliability water-cooling radiator, referring to Figure 1 , comprising a base plate 1, a cover plate 2, an inlet joint block 3 and an outlet joint block 4, the base plate 1 is provided with a water channel 11 for the flow of cooling liquid; the cover plate 2 is installed above the base plate 1, and is used for covering the opening of the water channel 11; the inlet joint block 3 and the outlet joint block 4 are respectively fixedly installed at two ends of the base plate 1, the inlet joint block 3 is provided with an inlet port 31, and the outlet joint block 4 is provided with an outlet port 41; the inlet port 31 and the outlet port 41 are both in communication with the water channel 11; and one end of the base plate 1, away from the cover plate 2, is in abutment with an electronic component.

[0034] In work, the electronic component transmits heat to the base plate 1, the cooling liquid flows into the water channel 11 from the inlet port 31, exchanges heat with the base plate 1, and then flows out through the outlet port 41, so that the temperature of the electronic component is reduced, and the heat dissipation of the electronic component is realized.

[0035] The base plate 1 is a rectangular block, the upper end of the base plate 1 is recessed downward to form a groove-shaped water channel 11, and the bottom end of the groove-shaped water channel 11 is provided with a plurality of reinforcing ribs 15; the groove-shaped water channel 11 can be designed with different sizes according to the heat dissipation requirement, so that the heat can be more quickly conducted to the cooling liquid, the heat transfer efficiency is effectively improved, and the heat dissipation effect of the water-cooling radiator is improved. The water channel 11 is formed in a die-casting mode, which effectively reduces the waste of raw materials of the base plate 1 in the production process, reduces the production cost, and saves the processing time. In the embodiment, the width of the water channel 11 is 29 mm, and the depth is 12 mm.

[0036] The two ends of the base plate 1 are respectively provided with plug-in blocks 12, the plug-in blocks 12 are provided with liquid flow ports 13, and the liquid flow ports 13 are in communication with the water channel 11. The end, close to the base plate 1, of the inlet joint block 3 and the outlet joint block 4 is respectively provided with a plug-in groove 5, the groove bottom of the plug-in groove 5 of the inlet joint block 3 is in communication with the inlet port 31, the groove bottom of the plug-in groove 5 of the outlet joint block 4 is in communication with the outlet port 41, and the inlet port 31 and the outlet port 41 are both located on the same side of the base plate 1.

[0037] The plug-in blocks 12 at the two ends of the base plate 1 are respectively plugged into the plug-in grooves 5 of the inlet joint block 3 and the outlet joint block 4, and are welded and connected in a vacuum brazing mode, so as to firmly connect the base plate 1 with the inlet joint block 3 and the outlet joint block 4. The cooling liquid flows into the water channel 11 from the inlet port 31 through the liquid flow port 13, flows out in sequence through the liquid flow port 13 and the outlet port 41 after absorbing heat from the base plate 1, and realizes the heat dissipation of the electronic component.

[0038] Referring to Figure 2 and Figure 3 The cover plate 2 is provided with fins 22 protruding towards one end of the base plate 1, and the fins 22 are provided in plurality, and the plurality of fins 22 are welded and connected with the cover plate 2 by vacuum brazing. When the cover plate 2 and the base plate 1 are closed, the fins 22 are located in the water channel 11, and the fins 22 are in contact with the cooling liquid to generate turbulence, thereby affecting the flow speed and direction of the cooling liquid to increase the heat dissipation efficiency of the water-cooled radiator.

[0039] The first welding joint 21 is arranged between the adjacent two fins 22, and the second welding joint 14 protrudes from one end of the base plate 1 towards the cover plate 2, and the first welding joint 21 and the second welding joint 14 are one-to-one corresponding in position and number; the first welding joint 21 and the second welding joint 14 are connected by vacuum brazing, so that the sealing effect of the water channel 11 is good, thereby ensuring good heat dissipation effect and prolonging the service life of the water-cooled radiator.

[0040] In the embodiment, the base plate 1, the cover plate 2, the inlet joint block 3 and the outlet joint block 4 all adopt T2 red copper as the material, and the cover plate 2, the inlet joint block 3 and the outlet joint block 4 are all processed by CNC.

[0041] The implementation principle of the high-reliability water-cooled radiator disclosed in the embodiment is that the water channel 11 in the base plate 1 is pressure die cast first, then the cover plate 2, the inlet joint block 3 and the outlet joint block 4 are processed by CNC, and then the base plate 1, the cover plate 2, the inlet joint block 3 and the outlet joint block 4 are welded and connected by vacuum brazing, which can effectively reduce the waste of raw materials in the production process, reduce the production cost, and save the processing time.

[0042] The above are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A highly reliable water-cooled radiator, characterized in that, The device includes a substrate (1), a cover plate (2), an inlet connector block (3), and an outlet connector block (4). The substrate (1) has a water channel (11) for coolant to flow through, and the water channel (11) is formed by die casting. The cover plate (2) covers the opening of the water channel (11). The inlet connector block (3) and the outlet connector block (4) are respectively fixedly installed at both ends of the substrate (1). The inlet connector block (3) has an inlet (31), and the outlet connector block (4) has an outlet (41). The inlet (31) and the outlet (41) are both connected to the water channel (11). The end of the substrate (1) away from the cover plate (2) is in contact with electronic components.

2. The high-reliability water-cooled radiator according to claim 1, characterized in that, A number of fins (22) are fixedly installed on one end of the cover plate (2) facing the substrate (1).

3. The high-reliability water-cooled radiator according to claim 1, characterized in that, The waterway (11) is designed as a trench-type waterway (11).

4. A high-reliability water-cooled radiator according to claim 3, characterized in that, The waterway (11) has a width of 29 mm and a depth of 12 mm.

5. A high-reliability water-cooled radiator according to claim 1, characterized in that, The substrate (1) has protruding plug-in blocks (12) at both ends, and the plug-in blocks (12) have liquid outlets (13) that are connected to the water channel (11). The inlet connector block (3) and the outlet connector block (4) are respectively provided with plug-in grooves (5), and the plug-in grooves (5) are connected to the inlet port (31) or the outlet port (41). The plug-in blocks (12) are plugged into the plug-in grooves (5), and the plug-in blocks (12) and the groove walls of the plug-in grooves (5) are connected by vacuum brazing.

6. A high-reliability water-cooled radiator according to claim 5, characterized in that, The liquid inlet (31) and the liquid outlet (41) are both located on the same side of the substrate (1).

7. A high-reliability water-cooled radiator according to claim 1, characterized in that, The cover plate (2), the inlet connector block (3) and the outlet connector block (4) are all CNC machined.

8. A high-reliability water-cooled radiator according to claim 1, characterized in that, The substrate (1) and the cover plate (2) are welded together by vacuum brazing.

9. A high-reliability water-cooled radiator according to claim 1, characterized in that, The substrate (1), cover plate (2), inlet connector block (3) and outlet connector block (4) are all made of T2 copper.

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