Immersed circulating cooling device for display card of server

Abstract

The invention discloses an immersed circulating cooling device for a display card of a server, and the device comprises an outer box body assembly which comprises an outer box body; 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 method has the beneficial effects that the server is cooled in an immersed manner, and the server in a central area is quickly, sufficiently and effectively cooled, so that the high-density deployment heat dissipation efficiency of a display card of the server and the system reliability are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic equipment cooling, and in particular to an immersion circulation cooling device for a server graphics card. Background Art

[0002] With the advancement of technology, the rapid development of mobile data, cloud computing and big data services, the heat dissipation of server graphics cards is getting larger and larger. It is necessary to remove the heat generated by server graphics cards in time to ensure the stable operation of the equipment. The existing air cooling, cold plate liquid cooling and dead water liquid cooling technologies cannot meet its heat dissipation needs. The current immersion liquid cooling server graphics cards installed in the liquid cooling device will have good cooling effect on the servers at both ends, but poor heat dissipation of the servers in the central area. In particular, the servers in the central area will have local overheating, and the server nodes cannot be quickly cooled. In order to avoid the situation where the performance of the equipment is reduced due to insufficient heat dissipation, it is necessary to adopt liquid cooling technology with higher heat dissipation efficiency. Summary of the invention

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

[0004] Specifically, the present invention 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 pipeline system, comprising an inlet pipe, the inlet pipe passes through the outer box and extends into the inner box;

[0008] The coolant 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 to the liquid outlet.

[0009] The benefit of adopting the above technical solution is that it realizes 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 arranged on the inner side of the side box plate, and a shunt pipe assembly is arranged inside the inner box body, including a primary coolant shunt pipe and a secondary coolant shunt pipe, the primary coolant shunt pipe and the secondary coolant shunt pipe are connected through a collecting pipe, the collecting pipe is connected to the liquid inlet pipe, and a plurality of liquid inlets are arranged on the primary coolant shunt pipe and the secondary coolant shunt pipe.

[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 operation and stop of the coolant and the circulation speed, thereby effectively saving energy. The first-level coolant diverter pipe and the second-level coolant diverter 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 through 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, the inner box is provided with a guide rail assembly, a copper busbar assembly and a graphics card fixing bracket assembly, 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 arranged on the side of the fixed base plate, and the pulley group is installed in cooperation with the guide rail assembly.

[0015] The advantage of adopting the above technical solution is that the graphics card fixing bracket assembly fixes the graphics card, and then the side pulley group and the guide rail are assembled 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, the inner side of the outer plate is provided with a liquid level sensor, 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, prevent 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 by 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 is convenient for installation and ensures operating 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 a power module mounting bracket, which is convenient for maintenance and installation.

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

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

[0026] Furthermore, the graphics card fixing bracket assembly is 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 the 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 drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0029] Figure 1This is a schematic diagram of the overall structure of the server graphics card immersion circulation cooling device of the present invention.

[0030] Figure 2 This is a schematic diagram of the bottom structure of the outer box of the present invention.

[0031] Figure 3 This is a schematic diagram of the overall structure of the inner box assembly of the present invention.

[0032] Figure 4 This is a schematic diagram of the internal structure of the inner box assembly of the present invention.

[0033] Figure 5 This is the internal box structure diagram of the present invention

[0034] Figure 6 This is a schematic diagram of the installation structure of the coolant shunt pipe of the present invention.

[0035] Figure 7 The graphics card fixing bracket assembly of the present invention is schematically shown in FIG. Figure 1

[0036] Figure 8 The graphics card fixing bracket assembly of the present invention is schematically shown in FIG. Figure 2

[0037] Fig. 9 This is a schematic diagram of the structure of the guide rail assembly of the present invention.

[0038] Fig.10 This is a schematic diagram of the outer box structure of the present invention

[0039] Fig.11 This is a schematic diagram of the power module structure of the present invention Figure 1

[0040] Fig.12 This is a schematic diagram of the power module structure of the present invention 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 shunt pipe 24; secondary coolant shunt 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 bottom plate 71; server graphics card 72; pulley block 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 in conjunction with the accompanying drawings.

[0044] As shown in the figure, the present invention 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] A coolant inlet pipeline system, comprising an inlet pipe 3, wherein the inlet pipe 3 passes through the outer box 1 and extends into the inner box 2;

[0048] The coolant outlet pipeline system comprises an outlet pipe 4 . The outer box body 1 is provided with an outlet port 41 . The outlet pipe 4 is connected to the outlet port 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 realizes 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 (such as Figure 3-6), the inner box body 2 includes a frame 21, a side box plate 22 and a bottom plate 23. A temperature sensor is arranged inside the side box plate 22, and the temperature sensor is transmitted to the control center to control the circulation operation and stop of the coolant and the circulation speed, thereby effectively saving energy. A shunt pipe assembly is arranged 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 by a manifold, and the manifold is connected to the liquid inlet pipe 3. A plurality of liquid inlets 26 are arranged on the primary coolant shunt pipe 24 and the secondary coolant shunt pipe 25. The side box plate 22 is provided with a plurality of overflow ports 221, and an overflow guide groove 222 is arranged on the outer side of the side box plate 22.

[0052] The coolant enters from the coolant inlet pipeline system, passes through the inlet pipe 3, and is evenly injected into the inner box assembly through the primary coolant shunt pipe 24 and the secondary 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 to enter the outer box assembly for heat dissipation. The coolant of the outer box assembly flows out through the coolant outlet pipeline system through the outlet port 41, thereby 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 arranging the shunt 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, which facilitates the placement of the inner box body 2 in the outer box body 1. The side of the inner box body 2 is provided with an inspection door 27 and an inspection door sealing gasket 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, the inner box 2 is provided with a guide rail assembly 5, a copper busbar assembly 6 and a graphics card fixed bracket assembly 7, wherein the graphics card fixed bracket assembly 7 includes a fixed base plate 71 and a server graphics card 72 disposed on the fixed base plate 71. A guide column 74, a guide conductive buckle seat 75 and an insulating column 76 are disposed on the lower side of the fixed base plate 71, a guide fixing seat 61 and a connecting copper busbar 62 are disposed on the copper busbar assembly 6, the guide rail assembly 5 is evenly distributed in the inner box 2 and fixed by bolts, the copper busbar assembly 6 is supported and fixed on the guide rail assembly 5 and the inner box 2 by insulating columns, the graphics card fixed bracket assembly 7 is guided by the guide rail assembly 5 and the guide column 74 in the graphics card fixed bracket assembly 7 cooperates with the guide fixing seat 61 in the copper busbar assembly 6 to guide and limit, so as to ensure that the guide conductive buckle seat 75 in the graphics card fixed bracket assembly 7 is combined with the connecting copper busbar 62 in the graphics card fixed 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 on the fixed base plate 71 through hexagonal stud support, server graphics card 72 is connected to graphics card mainboard 79 through a slot and fixed to the fixed base plate 71 through 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 block fixing plate is installed on one side of the fixed base plate 71, and a pulley block 73 is installed on the pulley block fixing plate to facilitate the plugging and unplugging operation of the graphics card fixing bracket assembly 7, a graphics card support seat is installed on 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 buckle seat 75 for contacting and fixing with the connecting copper busbar 62 in the copper busbar assembly 6.

[0056] Further, the guide rail assembly 5 includes (such as Fig. 9 5 (shown in the figure): guide rail 51, guide rail fixing tube 52, positioning plate 53 and support tube 54, guide rail 51 is arranged on the guide rail fixing tube 52, and positioning plate 53 connects support tube 54 and guide rail fixing tube 52. Support tube 54 is installed at the bottom of inner box 2, and guide rail fixing tube 52 is fixed on the side of inner box 2. The setting of guide rail 51 plays a guiding role, which facilitates the disassembly and assembly of graphics card fixing bracket assembly 7 and saves installation time.

[0057] In some embodiments (such as 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 arranged 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 arranged on the lower side of the outer bottom plate 13. The outer plate 12 is spliced ​​by corrugated boards to improve the strength of the box body and reduce the weight. A guide limit plate 15 is arranged 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 sounded, and the speed of the water pump 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 groove 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 with the outer box 1. The power module guide groove 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 groove 85 by hexagonal studs, the power module adapter plate 83 is connected to the main positive copper bar and the main negative copper bar by bolts, the latch 86 is fixed to the latch fixing seat by bolts, the power module 8 is connected to the power module adapter plate 83 slot by the guiding effect of the power module guide groove 85 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 arranged 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 inlet 26, and is evenly injected into the inner box assembly through the primary coolant shunt pipe 24 and the secondary 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 to enter the outer box assembly for heat dissipation. The coolant of the outer box assembly flows out through the coolant outlet pipeline system through the outlet 41, exchanges heat in the heat exchanger, and then continues to flow into the inlet pipe 3 driven by the water pump to achieve cyclic 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 the coolant to ensure 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 in 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, all of which fall within the protection scope 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 is arranged inside the outer box assembly and comprises an inner box (2); A coolant inlet pipeline system, comprising 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 body (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) comprises a frame (21), a side box plate (22) and a bottom plate (23); a temperature sensor is arranged on the inner side of the side box plate (22); a shunt pipe assembly is arranged inside the inner box body (2), comprising 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 via a collecting pipe; the collecting pipe is connected to the liquid inlet pipe (3); a plurality of liquid inlets (26) are arranged 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 outer side 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) comprises a fixed base plate (71) and a server graphics card (72) arranged on the fixed base plate (71); a pulley block (73) is arranged on the side of the fixed base plate (71); the pulley block (73) is installed in cooperation 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 arranged 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 arranged on the lower side of the fixed bottom plate (71); a guide fixing seat (61) and a connecting copper busbar (62) are arranged 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 also includes a power supply assembly, including: 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 by inner and outer box fixing brackets.

10. The server graphics card immersion circulation cooling device according to claim 1, characterized in that: The graphics card fixing bracket assembly (7) is arranged side by side in the inner box (2).

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