Immersed circulating cooling device for display card of server

Abstract

The utility model discloses an immersed circulating cooling device for a display card of a server, which comprises an outer box body assembly, an inner box body assembly and an inner box body assembly, the inner box body assembly is arranged in the outer box body assembly and comprises an inner box body; the cooling liquid inlet pipeline system comprises a liquid inlet pipe, and the liquid inlet pipe penetrates through the outer box body and extends into the inner box body; and the cooling liquid outlet pipeline system comprises a liquid outlet pipe, the outer box body is provided with a liquid outlet, and the liquid outlet pipe is connected with the liquid outlet. The utility model has the beneficial effects that the immersed cooling of the server is realized, and the server in a central area is ensured to quickly, fully and effectively dissipate heat, so that the heat dissipation efficiency of high-density deployment of a graphics card of the server and the system reliability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling electronic equipment, in particular to an immersion-type circulating cooling device for a server graphics card. Background Art

[0002] With technological advancements and the rapid development of mobile data, cloud computing, and big data services, server graphics cards are generating increasing amounts of heat. This heat needs to be removed promptly to ensure stable device operation. Existing air cooling, cold plate liquid cooling, and dead water liquid cooling technologies cannot meet these cooling requirements. Current immersion liquid-cooled server graphics cards installed in liquid cooling devices result in good cooling for servers at both ends, but poor cooling for servers in the center. In particular, servers in the center can experience localized overheating, preventing rapid cooling of server nodes. To avoid reduced device performance due to insufficient heat dissipation, liquid cooling technologies with higher heat dissipation efficiency are needed. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an immersion circulation cooling device for server graphics cards, which can intelligently dissipate heat quickly, fully and effectively in the hot spots of the server, thereby improving the heat dissipation efficiency and system reliability of high-density deployment of server graphics cards.

[0004] Specifically, the utility model discloses an immersion circulation cooling device for a server graphics card, comprising:

[0005] Outer box assembly, including outer box;

[0006] The inner box assembly is arranged in the outer box assembly and includes an inner box;

[0007] A coolant inlet piping system, comprising an inlet pipe, the inlet pipe passing through the outer box and extending into the inner box;

[0008] The coolant outlet pipeline system includes a liquid outlet pipe, the outer box body is provided with a liquid outlet, and the liquid outlet pipe is connected to the liquid outlet.

[0009] The benefit of adopting the above technical solution is that it can achieve server immersion cooling, ensuring fast, sufficient and effective heat dissipation of servers in the central area, thereby improving the heat dissipation efficiency and system reliability of high-density deployment of server graphics cards.

[0010] Furthermore, the inner box body includes a frame, side box plates and a bottom plate, a temperature sensor is provided on the inner side of the side box plate, and a diverter pipe assembly is provided inside the inner box body, including a primary coolant diverter pipe and a secondary coolant diverter pipe, the primary coolant diverter pipe and the secondary coolant diverter pipe are connected through a collecting pipe, the collecting pipe is connected to the liquid inlet pipe, and the primary coolant diverter pipe and the secondary coolant diverter pipe are provided with multiple liquid inlets.

[0011] The benefit of adopting the above technical solution is that the temperature sensor senses the coolant temperature and transmits it to the control center through the temperature sensor to control the circulation and stop of the coolant and the circulation speed, thereby effectively saving energy. The first-level coolant diversion pipe and the second-level coolant diversion pipe are set to better introduce the coolant, ensure that there is sufficient coolant in the inner box, and ensure the cooling effect of the coolant.

[0012] Furthermore, the side box plate is provided with a plurality of overflow ports, and an overflow guide groove is provided on the outer side of the side box plate.

[0013] The benefit of adopting the above technical solution is that the coolant entering the inner box flows into the outer box through the overflow port on the upper side and the overflow guide groove, and then flows out through the liquid outlet pipe, realizing the circulation of the coolant, and the circulating cooling ensures the cooling effect.

[0014] Furthermore, a guide rail assembly, a copper busbar assembly and a graphics card fixing bracket assembly are provided in the inner box body. The graphics card fixing bracket assembly includes a fixed base plate and a server graphics card arranged on the fixed base plate. A pulley group is provided on the side of the fixed base plate, and the pulley group is installed in cooperation with the guide rail assembly.

[0015] The benefit of adopting the above technical solution is that the graphics card fixing bracket assembly fixes the graphics card, and then is assembled through the side pulley group and the guide rail to achieve plug-in installation without power off, which is convenient for assembly.

[0016] Furthermore, the guide rail assembly includes: a guide rail, a guide rail fixing tube, a positioning plate and a support tube, the guide rail is arranged on the guide rail fixing tube, and the positioning plate connects the support tube and the guide rail fixing tube.

[0017] The benefit of adopting the above technical solution is that the support tube is installed at the bottom of the inner box, and the guide rail fixing tube is fixed to the side of the inner box. The setting of the guide rail plays a guiding role, which facilitates the disassembly and assembly of the graphics card fixing bracket assembly and saves installation time.

[0018] Furthermore, the outer box body includes: an outer frame, an outer plate and an outer bottom plate, a liquid level sensor is provided on the inner side of the outer plate, the outer bottom plate is provided with a through hole, the liquid inlet pipe passes through the through hole, and the through hole is provided with a sealing ring and a sealing seat.

[0019] The benefit of adopting the above technical solution is that the setting of the liquid level sensor can sense the height of the coolant in the outer box, preventing the coolant from flowing back into the inner box and affecting the coolant circulation, thereby ensuring the cooling effect.

[0020] Furthermore, a guide column, a guide conductive buckle seat and an insulating column are provided on the lower side of the fixed base plate, and a guide fixing seat and a connecting copper busbar are provided on the copper busbar assembly. The guide fixing seat cooperates with the guide column, and the connecting copper busbar is installed in cooperation with the guide conductive buckle seat.

[0021] The benefit of adopting the above technical solution is that the fixed base plate and the copper busbar assembly are fixed together through the guide conductive snap seat and the connecting copper busbar to provide power for the server graphics card. At the same time, the guide column and the guide fixing seat cooperate to play a guiding and fixing role. When the graphics card needs to be plugged in or out, the entire device does not need to remove any screws or power off, which facilitates installation and ensures operational efficiency.

[0022] Furthermore, the outer box assembly also includes a power supply assembly, including: a power module, a power module mounting bracket and a box fixing bracket, the power module is arranged on the power module mounting bracket, and the box fixing bracket is arranged on the outside of the power module mounting bracket for connecting to the outer box.

[0023] The benefit of adopting the above technical solution is that the power module is set to power the entire device and is installed through the power module mounting bracket, which is convenient for maintenance and installation.

[0024] Furthermore, a guide limit plate is provided inside the outer box, and the outer box and the inner box are fixed by inner and outer box fixing brackets.

[0025] The benefit of adopting the above technical solution is that the guide limit plate is set to limit the position of the inner box, which facilitates the installation of the inner box. At the same time, the inner and outer box fixing brackets are set to fix the inner box to prevent the inner box from shifting.

[0026] Furthermore, the graphics card fixing bracket assemblies are arranged side by side in the inner box.

[0027] The benefit of adopting the above technical solution is that the graphics card fixing bracket assemblies set up in multiple places realize the integrated layout of the server graphics cards, which not only reduces space occupation but also ensures the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0029] Figure 1This is the overall structural diagram of the utility model server graphics card immersion circulation cooling device

[0030] Figure 2 This is a schematic diagram of the bottom structure of the outer box of the utility model

[0031] Figure 3 This is a schematic diagram of the overall structure of the inner box assembly of the utility model

[0032] Figure 4 This is a schematic diagram of the internal structure of the inner box assembly of the utility model

[0033] Figure 5 This is the inner box structure diagram of the utility model

[0034] Figure 6 This is a schematic diagram of the installation structure of the coolant diversion pipe of the utility model

[0035] Figure 7 This is a schematic diagram of the graphics card fixing bracket assembly of the utility model Figure 1

[0036] Figure 8 This is a schematic diagram of the graphics card fixing bracket assembly of the utility model Figure 2

[0037] Figure 9 This is a schematic diagram of the structure of the guide rail assembly of the utility model

[0038] Figure 10 This is a schematic diagram of the outer box structure of the utility model

[0039] Figure 11 This is a schematic diagram of the power module structure of the utility model Figure 1

[0040] Figure 12 This is a schematic diagram of the power module structure of the utility model Figure 2

[0041] The reference numerals in the accompanying drawings are as follows:

[0042] Outer box 1; outer frame 11; outer plate 12; outer bottom plate 13; sealing seat 14; guide limit plate 15; liquid level sensor 16; inner box 2; frame 21; side box plate 22; overflow port 221; overflow guide groove 222; bottom plate 23; primary coolant diverter pipe 24; secondary coolant diverter pipe 25; liquid inlet 26; inspection door 27; liquid inlet pipe 3; liquid outlet pipe 4; liquid outlet 41; guide rail assembly 5; guide rail 51; guide rail fixing pipe 52; positioning plate 53; support Tube 54; copper busbar assembly 6; guide fixing seat 61; connecting copper busbar 62; graphics card fixing bracket assembly 7; fixing base plate 71; server graphics card 72; pulley assembly 73; guide column 74; guide conductive buckle seat 75; insulating column 76; copper busbar positive electrode 77; copper busbar negative electrode 78; graphics card motherboard 79; power module 8; power module mounting bracket 81; box fixing bracket 82; power module adapter plate 83; power adapter plate mounting plate 84; power module guide slot 85; latch 86; DETAILED DESCRIPTION

[0043] The present invention will be further described in detail below with reference to the accompanying drawings.

[0044] As shown in the figure, the utility model discloses an immersion circulating cooling device for a server graphics card (such as Figure 1-2 shown), including:

[0045] Outer box assembly, including outer box 1;

[0046] The inner box assembly is arranged in the outer box assembly and includes an inner box 2;

[0047] The coolant inlet piping system includes an inlet pipe 3, which passes through the outer box 1 and extends into the inner box 2;

[0048] The coolant outlet pipeline system includes a liquid outlet pipe 4 . The outer box 1 is provided with a liquid outlet 41 . The liquid outlet pipe 4 is connected to the liquid outlet 41 .

[0049] The liquid outlet pipe 4 is connected to a water pump and a heat exchanger and is connected to the liquid inlet pipe 3 .

[0050] The benefit of adopting the above technical solution is that it can achieve server immersion cooling, ensuring fast, sufficient and effective heat dissipation of servers in the central area, thereby improving the heat dissipation efficiency and system reliability of high-density deployment of server graphics cards.

[0051] In some embodiments (e.g. Figure 3-6), the inner box body 2 includes a frame 21, side panels 22, and a bottom plate 23. A temperature sensor is provided on the inside of the side panels 22. The temperature sensor transmits information to the control center to control the coolant circulation, the start and stop, and the circulation speed, thereby effectively saving energy. A manifold assembly is provided inside the inner box body 2, including a primary coolant manifold 24 and a secondary coolant manifold 25. The primary coolant manifold 24 and the secondary coolant manifold 25 are connected by a manifold, which is connected to the liquid inlet pipe 3. Multiple liquid inlets 26 are provided on the primary coolant manifold 24 and the secondary coolant manifold 25. Multiple overflow ports 221 are provided on the side panels 22, and overflow guide grooves 222 are provided on the outside of the side panels 22.

[0052] The coolant enters from the coolant inlet pipeline system, passes through the liquid inlet pipe 3, and is evenly injected into the inner box assembly through the first-level coolant diverter pipe 24 and the second-level coolant diverter pipe 25 for heat exchange. The coolant that has undergone heat exchange flows out from the overflow port 221 at the upper end of the inner box assembly through the lower end of the overflow guide groove 222 to enter the outer box assembly for heat dissipation. The coolant of the outer box assembly flows out through the coolant outlet pipe system through the outlet port 41, realizing the circulation of the coolant. The circulating cooling ensures the cooling effect, and the efficiency of the heat dissipation of the server graphics card is effectively improved by the arrangement of the diverted and evenly distributed coolant inlet.

[0053] Furthermore, the four corners of the upper end of the frame 21 of the inner box body 2 are welded with lifting ears to facilitate the placement of the inner box body 2 in the outer box body 1. An access door 27 and an access door gasket are provided on the side of the inner box body 2 and fixed to the side box plate 22 of the inner box body 2 by bolts to prevent the coolant from flowing out from here and facilitate maintenance.

[0054] In some embodiments, a guide rail assembly 5, a copper busbar assembly 6, and a graphics card fixing bracket assembly 7 are provided within the inner housing 2. The graphics card fixing bracket assembly 7 includes a fixed base plate 71 and a server graphics card 72 disposed on the fixed base plate 71. Guide posts 74, a guide conductive snap seat 75, and an insulating post 76 are provided on the lower side of the fixed base plate 71. The copper busbar assembly 6 is provided with a guide fixing seat 61 and a connecting copper busbar 62. The guide rail assembly 5 is evenly distributed within the inner housing 2 and fixed with bolts. The copper busbar assembly 6 is supported and fixed to the guide rail assembly 5 and the inner housing 2 with insulating posts. The graphics card fixing bracket assembly 7 is guided by the guide rail assembly 5 and the guide posts 74 in the graphics card fixing bracket assembly 7 cooperate with the guide fixing seat 61 in the copper busbar assembly 6 to ensure that the guide conductive snap seat 75 in the graphics card fixing bracket assembly 7 is coupled with the connecting copper busbar 62 in the graphics card fixing bracket assembly 7.

[0055] Furthermore, the graphics card fixing bracket assembly 7 also includes (such as Figure 7-8As shown): copper busbar positive electrode 77, copper busbar negative electrode 78 and graphics card mainboard 79, graphics card mainboard 79 is fixed to the fixed base plate 71 by hexagonal stud supports, the server graphics card 72 is connected to the graphics card mainboard 79 through a slot and fixed to the fixed base plate 71 by bolts, a handle is installed on the upper end of the fixed plate base plate 71 to facilitate the plugging and unplugging operation of the graphics card fixing bracket assembly 7, a pulley set fixing plate is installed on one side of the fixed base plate 71, and a pulley set 73 is installed on the pulley set fixing plate to facilitate the plugging and unplugging operation of the graphics card fixing bracket assembly 7, a graphics card support seat is installed at the lower end of the other side of the fixed plate base plate, a guide column 74 is arranged under the graphics card support seat, and insulating columns 76 for supporting and fixing the copper busbar positive electrode 77 and the copper busbar negative electrode 78 are installed on the upper and lower sides of the graphics card support seat, and one end of the copper busbar positive electrode 77 and the copper busbar negative electrode 78 are respectively equipped with a guide conductive snap seat 75 for contacting and fixing the connecting copper busbar 62 in the copper busbar assembly 6.

[0056] Furthermore, the guide rail assembly 5 includes (such as Figure 9 (As shown): guide rail 51, guide rail fixing tube 52, positioning plate 53, and support tube 54. Guide rail 51 is mounted on guide rail fixing tube 52, and positioning plate 53 connects support tube 54 and guide rail fixing tube 52. Support tube 54 is mounted on the bottom of inner case 2, and guide rail fixing tube 52 is fixed to the side of inner case 2. The provision of guide rail 51 serves as a guide, facilitating the disassembly and assembly of graphics card fixing bracket assembly 7, saving installation time.

[0057] In some embodiments (e.g. Figure 10-12 As shown), the outer box body 1 includes: an outer frame 11, an outer plate 12 and an outer bottom plate 13. A liquid level sensor 16 is provided on the inner side of the outer plate 12. The outer bottom plate 13 is provided with a through hole, and the liquid inlet pipe 3 passes through the through hole. The through hole is provided with a sealing ring and a sealing seat 14. A roller is provided on the lower side of the outer bottom plate 13. The outer plate 12 is spliced ​​by corrugated board to improve the strength of the box body and reduce the weight. A guide limit plate 15 is provided on the inner side of the outer box body 1. The outer box body 1 and the inner box body 2 are fixed by the inner and outer box body fixing brackets 82. The guide limit plate 15 is welded and fixed to the outer plate 12 and the outer frame 11. The setting of the liquid level sensor 16 can sense the height of the coolant in the outer box body 1. When the liquid level is higher than the liquid level alarm switch, an alarm is triggered, and the water pump speed is increased to prevent the coolant from flowing into the inner box body 2, thereby ensuring the cooling effect.

[0058] In some embodiments, the outer box assembly also includes a power supply assembly, including: a power module 8, a power module mounting bracket 81, and a box fixing bracket 82, and also includes a power module adapter plate 83, a power adapter plate mounting plate 84, a power module guide slot 85, a latch 86, a latch fixing seat, etc. The box fixing bracket 82 is arranged on the outside of the power module mounting bracket 81 for connection to the outer box 1. The power module guide slot 85, the power adapter plate mounting plate 84, and the latch fixing seat are fixed to the power module mounting bracket 81 by bolts. The power module adapter plate 83 is fixed to the power adapter plate mounting plate 84 and the power module guide slot 85 by hexagonal studs. The power module adapter plate 83 is connected to the main positive copper busbar and the main negative copper busbar by bolts. The latch 86 is fixed to the latch fixing seat by bolts. The power module 8 is guided by the power module guide slot 85 to dock with the power module adapter plate 83 slot and locked by the latch 86 to prevent the power module 8 from falling.

[0059] Furthermore, the graphics card fixing bracket assembly 7 is arranged side by side in the inner box 2. The graphics card fixing bracket assembly 7 provided in multiple places realizes the integrated arrangement of the server graphics card 72, which not only reduces the space occupation but also ensures the cooling effect.

[0060] The coolant enters from the coolant inlet pipeline system, passes through the liquid inlet 26, and is evenly injected into the inner box assembly through the first-level coolant shunt pipe 24 and the second-level coolant shunt pipe 25 for heat exchange. The coolant that has undergone heat exchange flows out from the overflow port 221 at the upper end of the inner box assembly through the lower end of the overflow guide groove 222 and enters the outer box assembly for heat dissipation. The coolant of the outer box assembly flows out through the coolant outlet pipeline system through the liquid outlet 41, exchanges heat in the heat exchanger, and then continues to flow into the liquid inlet pipe 3 under the drive of the water pump to achieve circulating heat dissipation.

[0061] This application has the following advantages:

[0062] 1. The cooling device can remove the heat of the server graphics card through sufficient circulation of coolant, ensuring the reliable operation of the product.

[0063] 2. The graphics card fixing bracket assembly 7 in the cooling device can be plugged in and out for maintenance without powering off the server, thus ensuring the operating efficiency of the product.

[0064] 3. The cooling device can intelligently control the circulation and stop of the coolant and the circulation speed according to the temperature of the coolant of the server graphics card.

[0065] 4. The cooling device can intelligently alarm when the liquid level is higher than the liquid level alarm switch, and the water pump speed increases to prevent the coolant from flowing into the inner box 2.

[0066] 5. Rollers are installed at the bottom of the cooling device, which can be moved and combined as needed.

[0067] 6. The cooling device has a compact structure, and server graphics cards can be deployed at a high density while ensuring the cooling effect.

[0068] For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A server graphics card immersion circulation cooling device, characterized in that: include: Outer box assembly, including outer box (1); An inner box assembly, arranged in the outer box assembly, comprising an inner box (2); A coolant inlet piping system comprises an inlet pipe (3), wherein the inlet pipe (3) passes through the outer box (1) and extends into the inner box (2); The coolant outlet pipeline system comprises a liquid outlet pipe (4), the outer box (1) is provided with a liquid outlet (41), and the liquid outlet pipe (4) is connected to the liquid outlet (41).

2. The server graphics card immersion circulation cooling device according to claim 1, characterized in that: The inner box body (2) includes a frame (21), a side box plate (22) and a bottom plate (23), a temperature sensor is provided on the inner side of the side box plate (22), and a shunt pipe assembly is provided inside the inner box body (2), including a primary coolant shunt pipe (24) and a secondary coolant shunt pipe (25), the primary coolant shunt pipe (24) and the secondary coolant shunt pipe (25) are connected through a collecting pipe, the collecting pipe is connected to the liquid inlet pipe (3), and a plurality of liquid inlets (26) are provided on the primary coolant shunt pipe (24) and the secondary coolant shunt pipe (25).

3. The server graphics card immersion circulation cooling device according to claim 2, characterized in that: The side box plate (22) is provided with a plurality of overflow ports (221), and an overflow guide groove (222) is provided on the outside of the side box plate (22).

4. The server graphics card immersion circulation cooling device according to claim 1, characterized in that: The inner box (2) is provided with a guide rail assembly (5), a copper busbar assembly (6) and a graphics card fixing bracket assembly (7). The graphics card fixing bracket assembly (7) includes a fixed base plate (71) and a server graphics card (72) arranged on the fixed base plate (71). A pulley group (73) is provided on the side of the fixed base plate (71). The pulley group (73) is installed in conjunction with the guide rail assembly (5).

5. The server graphics card immersion circulation cooling device according to claim 4, characterized in that: The guide rail assembly (5) comprises: a guide rail (51), a guide rail fixing tube (52), a positioning plate (53) and a support tube (54); the guide rail (51) is arranged on the guide rail fixing tube (52); and the positioning plate (53) connects the support tube (54) and the guide rail fixing tube (52).

6. The server graphics card immersion circulation cooling device according to claim 1, characterized in that: The outer box body (1) comprises an outer frame (11), an outer side plate (12) and an outer bottom plate (13); a liquid level sensor (16) is provided on the inner side of the outer side plate (12); the outer bottom plate (13) is provided with a through hole, the liquid inlet pipe (3) passes through the through hole, and the through hole is provided with a sealing ring and a sealing seat (14).

7. The server graphics card immersion circulation cooling device according to claim 5, characterized in that: A guide column (74), a guide conductive buckle seat (75) and an insulating column (76) are provided on the lower side of the fixed base plate (71); a guide fixing seat (61) and a connecting copper busbar (62) are provided on the copper busbar assembly (6); the guide fixing seat (61) cooperates with the guide column (74), and the connecting copper busbar (62) cooperates with the guide conductive buckle seat (75) for installation.

8. The server graphics card immersion circulation cooling device according to claim 1, characterized in that: The outer box assembly further includes a power supply assembly, comprising: a power module (8), a power module mounting bracket (81) and a box fixing bracket (82), wherein the power module (8) is arranged on the power module mounting bracket (81), and the box fixing bracket (82) is arranged outside the power module mounting bracket (81) for connection with the outer box (1).

9. The server graphics card immersion circulation cooling device according to claim 1, characterized in that: A guide limit plate (15) is provided on the inner side of the outer box (1), and the outer box (1) and the inner box (2) are fixed via inner and outer box fixing brackets.

10. The server graphics card immersion circulation cooling device according to claim 4, characterized in that: The graphics card fixing bracket assembly (7) is arranged side by side in the inner box (2).

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