TWI678961B - Liquid immersion cooling device - Google Patents

Abstract

The liquid immersion cooling device includes a fixed frame, a liquid tank, and a cold source distributor. The liquid tank is provided on the fixed frame. The fixed frame is provided with a multi-layer stacking space for stacking the liquid tank. The liquid tank is used for holding an insulating coolant to soak the servo And the liquid tank is movably provided on the fixed frame, and the cold source distributor is provided on the outside of the fixed frame, and includes a retractable cold source tube and a heat return tube, and the output ends of the cold source tube and the heat return tube and the liquid When the liquid tank is pulled out of the fixed frame, the cold source tube and the heat return tube are stretched to a predetermined length with the movement of the liquid tank; when the liquid tank is pushed into the fixed frame, the cold source tube and the heat return The tube returns to its original state. The above-mentioned liquid immersion cooling device makes the heat dissipation of the server smoother and improves the heat dissipation efficiency.

Description

Liquid immersion cooling device

The invention relates to the technical field of server cooling, in particular to a liquid immersion cooling device.

With the increasing capabilities of the server, the cooling function of the server has become increasingly severe. In order to solve the large amount of heat generated by information equipment, the server is immersed in a non-conductive liquid for cooling. The existing insulation cooling liquid is controlled by a valve. When the server needs to be operated, the liquid supply is stopped by the valve. This caused the problem that the server cooling was not continuous, and the server was cooled by a liquid tank, and the space utilization rate above the liquid tank was not high.

In view of this, it is necessary to provide a liquid immersion cooling device, which aims to continuously dissipate heat from the server and at the same time improve the utilization of the space above the liquid tank.

A liquid immersion cooling device includes a fixing frame and a liquid tank, the liquid tank is provided on the fixing frame, the fixing frame is provided with a multilayer stacking space for stacking the liquid tank, and the liquid tank is used for installing insulation Cooling liquid to soak the server, and the liquid tank is movably provided on the fixed frame, The liquid immersion cooling device further includes a cold source distributor, the cold source distributor is disposed outside the fixed frame, and includes a retractable cold source tube and a heat return tube, the cold source tube and the heat source. The output end of the return tube is in communication with the liquid tank; when the liquid tank is pulled out of the fixed frame, the cold source tube and the hot return tube are stretched to a predetermined level as the liquid tank moves. Length; when the liquid tank is pushed into the fixed frame, the cold source tube and the heat return tube return to their original state.

In at least one mode, the fixing frame is provided with a support rod on a side close to the cold source distributor, a pipe reel is provided on the support rod, and the cold source tube and the heat return tube are wound. On the pipe coiler; when the cold source pipe and the heat return pipe are stretched with the liquid tank, the pipe coiler rotates in a first direction around the support rod; when the cold pipe When the source tube and the heat return tube are advanced to the fixing frame with the liquid tank, the tube reel rotates around the support rod in a second direction.

In at least one mode, the cold source distributor further includes a heat exchanger, and the cold source pipe and the heat return pipe are connected to the heat exchanger, and are configured to conduct insulation cooling liquid in the liquid tank. Heat exchange.

In at least one mode, a server with a power within a predetermined range is placed in several of the liquid tanks; when the power of the servers in the plurality of liquid tanks is within a predetermined range, the cold source tube connected to the liquid tank and The heat return pipe may be connected to the same heat exchanger.

In at least one mode, a support rod is provided on the liquid tank, the tube reel is directly rotated and disposed on the support rod of the liquid tank, and the cold source tube and the heat return tube are wound on the support rod. The coiler abuts on the fixed frame telescopically.

In at least one mode, the liquid tank is set to a corresponding size according to the size of different servers.

In at least one aspect, a sliding member is provided between the liquid tank and the fixed frame, and the liquid tank is movably disposed on the fixed frame through the sliding member.

In at least one manner, a first adapter is provided on a first side wall of the liquid tank, the first adapter penetrates the first side wall, and an inner side of the first adapter is used for connection and placement A server in the liquid tank and an outer side of the first adapter is used to connect an external power line to provide power to the server.

In at least one manner, a second adapter is provided on a second side wall of the liquid tank, the second adapter penetrates the second side wall, and an inner side of the second adapter is used for connection and placement A server in the liquid tank and an outer side of the second adapter is used to connect a network cable to provide a network to the server.

In at least one aspect, the second side wall includes a fixing portion, the fixing portion is disposed on opposite sides of the second side wall, and the fixing frame is provided with a corresponding convex portion, and the fixing portion Cooperate with the protruding portion to fix the liquid tank on the fixing frame.

The liquid immersion cooling device provided above is used to dissipate heat to the server, and includes a fixed frame, a liquid tank with a cover plate, and a cold source distributor. The liquid tank is movably disposed on the fixed frame, and The fixed frame is provided with a multi-layer stacking space, and the cold source distributor is disposed outside the fixed frame, and includes a cold source tube and a heat return tube, and the output ends of the cold source tube and the heat return tube The server is connected to the liquid tank and the cold source tube and the heat return tube can be expanded and contracted with the movement of the liquid tank, and the server is placed in a liquid tank filled with an insulating cooling liquid. By using the liquid immersion cooling device, when the liquid tank is pulled out of the fixing frame, the server placed in the liquid tank can continue to dissipate heat. The liquid tanks can be stacked to improve the performance. Utilization of the space above the liquid tank

100‧‧‧ liquid immersion cooling device

10‧‧‧ fixed frame

11‧‧‧ Tripod

12‧‧‧ support plate

13‧‧‧ support bar

14‧‧‧ sliding member

15‧‧‧chute

16‧‧‧ convex

20‧‧‧ liquid tank

21‧‧‧ floor

22‧‧‧first side wall

23‧‧‧Second sidewall

231‧‧‧Locking Department

232‧‧‧display

233‧‧‧handle

24‧‧‧ Third side wall

25‧‧‧ fourth side wall

26‧‧‧ Cover

27‧‧‧ adapter

271‧‧‧First adapter

272‧‧‧Second adapter

28‧‧‧ cable management components

281‧‧‧ cable organizer

282‧‧‧Cable trough

283‧‧‧line hook

29‧‧‧ slider

30‧‧‧cold source distributor

31‧‧‧ Tube Reel

32‧‧‧cold source tube

33‧‧‧Hot reflux tube

34‧‧‧Heat exchanger

35‧‧‧Pump

36‧‧‧ cooling water outlet

37‧‧‧Return hot water port

200‧‧‧Server

FIG. 1 is a schematic perspective view of a liquid immersion cooling device.

FIG. 2 is a schematic perspective view of a liquid tank in the liquid immersion cooling device shown in FIG. 1 being pulled out from a fixing frame. FIG.

3 is a schematic perspective view of the liquid immersion cooling device shown in FIG. 2 from another perspective.

FIG. 4 is a schematic perspective view of the liquid immersion cooling device from another perspective.

5 is a schematic diagram of a fixing frame in a liquid immersion cooling device.

FIG. 6 is a schematic diagram of a liquid tank of a liquid immersion cooling device.

7 is a schematic view of the liquid tank of the liquid immersion cooling device shown in FIG. 5 from another perspective.

FIG. 8 is an operation schematic diagram of the liquid immersion cooling device.

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Need to explain, when an element is considered to be "connected" to another element, it can be directly connected to another element or there may be centered elements at the same time. When an element is considered to be “located on” another element, it can be directly on the other element or a centered element may be present at the same time. The terms "top", "bottom", "upper", "down", "left", "right", "front", "back", and similar expressions used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.

Please refer to FIGS. 1, 2 and 3. This embodiment provides a liquid immersion cooling device 100 for cooling a server.

Referring to FIG. 4, the liquid immersion cooling device 100 includes a fixing frame 10, a liquid tank 20, and a cold source distributor 30. The liquid tank 20 is movably disposed on the fixed frame 10, and the cold source distributor 30 is disposed outside the fixed frame 10 and is connected to the liquid tank 20. The fixing frame 10 is used for placing the liquid tank 20, and the liquid tank 20 is used for placing the server 200 for cooling the server 200. The cold source distributor 30 is configured to perform heat exchange on an insulating cooling liquid (not shown) installed in the liquid tank 20.

Please refer to FIGS. 2 and 5. The fixing frame 10 includes a substantially rectangular and non-closed structure composed of a leg frame 11 and a support plate 12. The support plate 12 is disposed between the four leg frames 11 and Used to support the liquid tank 20. A support rod 13 is installed between two wide-side bipods 11, and a sliding groove 15 of a sliding member 14 is provided between the two long-side bipods 11 adjacent to the support rod 13. The sliding groove 15 is used to cooperate with the liquid groove 20 so that the liquid groove 20 can move in the fixing frame 10. A protruding portion 16 is extended on the two-sided tripod 11 opposite to the supporting rod 13. The protruding portion 16 is used to cooperate with the liquid tank 20 to fix the liquid tank 20. Further, the liquid tank 20 is pushed into or pulled out of the fixing frame 10 from the opposite wide side of the support rod 13.

Please refer to FIG. 2, FIG. 6 and FIG. 7. The liquid tank 20 is approximately a rectangular parallelepiped, and the liquid tank 20 is set to a corresponding size according to the size of different servers 200. Differently put into the corresponding liquid tank 20. The liquid tank 20 includes a bottom plate 21 and a first side wall 22, a second side wall 23, a third side wall 24 and a fourth side wall 25 surrounding the periphery of the bottom plate 21. The first sidewall 22 and the second sidewall 23 are respectively disposed on two wide sides of the bottom plate 21, and the third sidewall 24 and the fourth sidewall 25 are respectively disposed on two long sides of the bottom plate 21. Office. A cover plate 26 is provided on the opposite side of the bottom plate 21, and the cover plate 26 is rotatably disposed on the first side wall 22 and fastened with the second side wall 23. Liquid tank 20 can be opened at any time maintain. Understandably, the cover plate 26 can also be disposed on other side walls. For example, the cover plate 26 can be rotated on the third side wall 24 and fastened to the fourth side wall 25 to make the liquid tank 20 in a sealed state.

An adapter 27 is provided on the first side wall 22 and the second side wall 23 of the liquid tank 20, and the adapter 27 is used to provide power, a network, and the like to the server 200 in the liquid tank 20. Specifically, a plurality of first adapters 271 are disposed on the first side wall 22, and the first adapters 271 pass through the first side wall 22. That is, both the inside and outside adapters of the first side wall 22 can be used. In this embodiment, the inner side of the first adapter 271 is used to connect the power cord of the server 200 in the liquid tank 20, and the outer side of the first adapter 271 is used to connect an external power cord (FIG. (Not labeled) to provide power to the server 200 disposed inside the liquid tank 20.

Referring to FIGS. 6 and 7, a plurality of second adapters 272 are disposed on the second side wall 23, and the second adapters 272 pass through the second side wall 23. Similarly, both inside and outside adapters of the second side wall 23 can be used. The inside of the second adapter 272 is used to connect the network cable of the server 200 in the liquid tank 20, and the outside of the second adapter 272 is used to connect the external network cable (not shown). The server 200 inside the liquid tank 20 provides a network.

Understandably, the first adapter 271 and the second adapter 272 are not limited thereto. In other embodiments, the first adapter 271 may be used to connect a network line inside and outside the liquid tank 20. The second adapter 272 can be used to connect power lines inside and outside the liquid tank 20 to provide network or power for the server 200. The adapter 27 can be changed or replaced according to the design requirements of the liquid tank 20. The adapter 27 can not only be disposed on the first side wall 22 and the second side wall 23, but also can provide power or network to the server 200 placed in the liquid tank 20, but also The adapter 27 may be disposed at other places, such as the third side wall 24 or the fourth side wall 25. The first adapter 271 and the second adapter 272 are provided on the first side wall 22 and the second side wall 23. Without opening the cover plate 26, The server in the liquid tank 20 is provided with power or disconnected from the power or the network. At the same time, the insulation cooling liquid in the liquid tank 20 can be prevented from being lowered by opening the cover plate 26.

Further, at both ends of the second side wall 23, that is, the connection points with the third side wall 24 and the fourth side wall 25 are provided with fixing portions 231. The fixing portion 231 cooperates with the protruding portion 16 on the bipod 11 of the fixing frame 10. When the liquid tank 20 is placed inside the fixing frame 10, it is locked by the fixing portion 231. The liquid tank 20 is fixed to the fixing frame 10 tightly to the protruding portion 16. It can be understood that the manner of fixing the liquid tank 20 to the fixing frame 10 is not limited to the above-mentioned implementation content, and other side walls can be used to cooperate with the fixing frame 10 or adopt other methods that can achieve the same effect or The way it works is fixed.

Referring to FIG. 6, a display screen 232 is disposed on an outer side wall surface of the second side wall 23, and the display screen 232 is disposed substantially at a middle position of the outer side wall surface of the second side wall 23. The display screen 232 is used to display the internal conditions of the liquid tank 20, such as displaying the status of the server 200, the temperature of the insulating cooling liquid or the flow rate of the insulating cooling liquid installed in the liquid tank 20.

Referring to FIG. 6, a handle 233 is provided on an outer side wall of the second side wall 23. The handle 233 is substantially rectangular. In this embodiment, two handles 233 are provided on the second side wall 23 and are respectively disposed on two sides of the second side wall 23 in a direction perpendicular to the second side wall 23. Side, close to the fixing portion 231. The handle 233 is used to push the liquid tank 20 into the fixing frame 10 or pull the liquid tank 20 out of the fixing frame 10. Understandably, the handle 233 may also be U-shaped or other shapes, so as to facilitate the pushing in or pulling out of the liquid tank 20.

Please refer to FIG. 6 again, the second side wall 23, the third side wall 24 and the fourth side wall 25 are provided with a wire management member 28 for guiding the direction of the wire on the liquid tank 20 and fixing the wire. Specifically, a cable organizer 281 is disposed on an outer arm surface of the second side wall 23, and the cable organizer 281 is disposed on the lower end of the second adapter 272 and on both sides of the display screen 232.

Please refer to FIG. 6 and FIG. 7, the third sidewall 24 and the fourth sidewall 25 are respectively provided with cable management grooves 282 on the outer sidewall surfaces. When the wire passes through the third sidewall 24 and the fourth sidewall 25, Passing through the cable management groove 282 avoids cluttering of the wires. On the inner side wall surfaces of the third side wall 24 and the fourth side wall 25, a cable management hook 283 is further provided for guiding and fixing the wires inside the liquid tank 20.

Further, the third side wall 24 and the fourth side wall 25 are further provided with a slider 29 that cooperates with the sliding groove 15 on the fixing frame 10. The cooperation of the sliding groove 15 and the slider 29 enables the liquid groove 20 to be movably disposed on the fixed frame 10. In order to facilitate maintenance of the liquid tank 20, the cover 26 can be directly pulled out from the fixing frame 10 for maintenance. It can be understood that the implementation manner in which the liquid tank 20 can be movably disposed on the fixed frame 10 is not limited to the above-mentioned embodiment. For example, the sliding groove 15 and the small roller can be used for cooperation.

Please refer to FIG. 2 and FIG. 4, the cold source distributor 30 is disposed on a side near the support rod 13 on the fixing frame 10. The cold source distributor 30 includes a retractable pipe coiler 31, a cold source pipe 32, and a heat return pipe 33. Specifically, the number of the coiler 31 is two, and the number of the number of the coiler 31 is two. The cold source pipe 32 and the heat return pipe 33 are respectively wound around the pipe reel 31 so that the cold source pipe 32 and the heat return pipe 33 can be extended and contracted. The output ends of the cold source pipe 32 and the heat return pipe 33 are connected to the liquid tank 20. During the movement of the liquid tank 20, the cold source pipe 32 and the heat return pipe 33 follow The movement of the liquid tank 20 is stretched or retracted. The cold source pipe 32 is used to provide a cold insulating coolant to the liquid tank 20, and the heat return pipe 33 is used to transfer the insulated coolant that becomes hot after coming into contact with the server 200 to the cold source distributor 30 in.

When the cold source pipe 32 and the heat return pipe 33 are stretched along with the liquid tank 20, the pipe coiler 31 rotates around the support rod 13 in the stretched direction. When the cold source pipe 32 and the heat return pipe 33 are advanced to the fixing frame 10 along with the liquid tank 20, the pipe coiler 31 rotates around the support rod 13 in the direction of rotation when being stretched. Turn in opposite directions.

Referring to FIG. 8, the cold source distributor 30 further includes a heat exchanger 34, a pump body 35, a cooling water port 36 and a return hot water port 37. One side of the heat exchanger 34 is connected to the cold source pipe 32 and the heat return pipe 33. The other side of the heat exchanger 34 is connected to the cooling water port 36 and the return hot water port 37. connection. The pump body 35 is connected between the heat return pipe 33 and the heat exchanger 34. Specifically, in the cold source distributor 30, the cooling water in the cooling water port 36 is sent to the heat exchanger 34, and the insulating cooling liquid is cooled and then sent to the liquid tank 20 through the cold source pipe 32. . After the cooled insulation cooling liquid absorbs the heat of the server 200 and becomes hot, the hot insulation cooling liquid is output from the heat return pipe 33 to the heat exchanger 34 through the pump body 35. After the hot insulating cooling liquid exchanges heat with the cooling water provided by the cooling water port 36, it is transported to the liquid tank 20 through the cold source pipe 32 again. The cooling water that has been heat-exchanged with the hot insulating cooling liquid becomes hot and is output from the cold source distributor 30 through the return hot water port 37. Understandably, the hot water output from the cold source distributor 30 can still be used without causing water pollution.

Please refer to FIG. 1, FIG. 2, FIG. 3, FIG. 4, and FIG. 8. In this embodiment, a liquid tank 20 is used on a fixed frame 10, and the fixed frame 10 is provided with multiple stacking spaces. A plurality of fixing frames 10 provided with a liquid tank 20 are stacked in a direction perpendicular to the ground. At the same time, the stacked liquid tanks 20 can be divided according to the type of the server 200. For example, some of the stacked liquid tanks 20 may be planned as the computing server 200 and some may be planned as the storage server 200. Further, other functions may be divided according to the type of the server 200. Because the sizes of different types of servers 200 are different, the liquid tank 20 can be changed according to the size of the server 200, so that the liquid tank 20 can place the servers 200 of the same size together. In order to avoid placing different sizes of servers 200 in a liquid tank 20, it becomes difficult for the insulating coolant to flow, resulting in vortices or stagnation zones inside the liquid tank 20, which makes the heat dissipation not smooth, and also increases The filling amount of the insulating coolant increases the cost.

The liquid tanks 20 are stacked and connected to the cold source distributor 30, and an insulating cooling liquid is sent to the liquid tanks 20 to dissipate heat from the server 200. Power is provided to the server 200 through a first adapter 271, and network is provided to the server 200 through a second adapter 272. The display screen 232 can learn about the liquid tank 20 and its internal condition, and the wires connected to the liquid tank 20 and the internal server 200 are fixed by the cable management member 28.

When one of the liquid tanks 20 needs to be maintained, the handle 233 is pulled toward the outside of the fixing frame 10 to pull the liquid tank 20 out of the fixing frame 10. The cold source pipe 32 and all The heat return pipe 33 is also stretched to a predetermined length, and at the same time, the cold source pipe 32 and the heat return pipe 33 can continue to dissipate heat from the server 200. The fixing portion 231 is unlocked from the protruding portion 16. The electric power and the network on the corresponding liquid tank 20 are cut off, and the cover plate 26 is opened to perform maintenance on the server 200.

When the liquid tank 20 is pushed into the fixing frame 10, the liquid tank 20 is pushed toward the inside of the fixing frame 10 through the handle 233. The cold source pipe 32 and the heat return pipe 33 are restored to the original state. The liquid tank 20 is fixed on the protruding portion 16 by the fixing portion 231 to be fixed on the fixing frame 10. The cold source distributor 30 continuously radiates the server 200 in the liquid tank 20.

Further, the plurality of liquid tanks 20 are provided with servers 200 having a power within a predetermined range. A liquid tank 20 provided with a server 200 having a power within a predetermined range may be provided, wherein a cold source pipe 32 and a heat return pipe 33 connected to the liquid tank 20 may be connected to the same heat exchanger 34. In this way, the servers 200 with different powers can better dissipate heat.

In other embodiments, the fixing frame 10 may also be replaced with a fixing frame 10 having a certain height, and multiple liquid tanks 20 may be stacked in one fixing frame 10 along the height direction of the fixing frame 10 at the same time. The effect of stacking in the above embodiments can also be achieved. A support rod 13 may be provided on the liquid tank 20, and the pipe reel 31 rotates the support rod 13 provided on the liquid tank 20. Similarly, the cold source pipe 32 and the heat return pipe 33 are wound. On the tube reel 31. At this time, the fixing frame 10 An abutment member (not shown in the figure) may be provided on the cold source pipe 32 and the heat return pipe 33 to extend and contract to abut the abutment member to avoid the cold source pipe 32 and the heat. The return pipe 33 comes into contact with the rest of the fixing frame 10 and causes friction.

In summary, the above-mentioned liquid-type immersion cooling device 100 stacks a plurality of the liquid tanks 20 in a vertical direction, thereby improving the utilization rate of the upper space. Moreover, by placing different servers 200 separately, the heat dissipation efficiency of the liquid tank 20 to the server 200 is improved. The cold source distributor 30 is connected to the liquid tank 20 through a cold source pipe 32 and a heat return pipe 33, and dissipates heat from the server 200. When the liquid tank 20 is pulled out, it can be continuously performed. Cooling action.

In addition, those of ordinary skill in the art should recognize that the above implementations are only used to explain the present invention, and are not intended to limit the present invention, as long as the above embodiments are made within the scope of the essential spirit of the present invention. Appropriate changes and variations are within the scope of the present invention.

Claims (10)

A liquid immersion cooling device includes a fixing frame and a liquid tank, the liquid tank is provided on the fixing frame, wherein the fixing frame is provided with a multi-layer stacking space for stacking the liquid tank, and the liquid tank is used for An insulating coolant is installed to soak the server, and the liquid tank is movably provided on the fixed frame. The liquid immersion cooling device further includes a cold source distributor, and the cold source distributor is provided on the fixed frame. And includes a retractable cold source tube and a hot return tube, and the output ends of the cold source tube and the hot return tube are in communication with the liquid tank, and a pipe coiler is provided on the fixed frame, and the cold The source tube and the hot return tube are wound on the tube reel; when the liquid tank is pulled out of the fixed frame, the cold source tube and the hot return tube move with the liquid tank Is stretched to a predetermined length; when the liquid tank is pushed into the fixing frame, the cold source tube and the heat return tube return to the original state. The liquid immersion cooling device according to item 1 of the scope of patent application, wherein the fixing frame is provided with a support rod on a side close to the cold source distributor, and the pipe coiler is provided on the support rod. ; When the cold source tube and the heat return tube are stretched with the liquid tank, the pipe reel rotates in a first direction around the support rod; when the cold source tube and the heat return flow When the tube is advanced to the fixed frame with the liquid tank, the tube reel rotates around the support rod in a second direction. The liquid immersion cooling device according to item 1 of the scope of the patent application, wherein the cold source distributor further includes a heat exchanger, and the cold source pipe and the heat return pipe are connected to the heat exchanger, and And performing heat exchange on the insulating cooling liquid in the liquid tank. The liquid-type immersion cooling device according to item 3 of the scope of the patent application, wherein a plurality of the liquid tanks are provided with a server having a power within a predetermined range; when the power of the servers in the plurality of the liquid tanks is within a predetermined range The cold source pipe and the hot return pipe connected to the liquid tank are connected to the same heat exchanger. The liquid immersion cooling device according to item 2 of the scope of patent application, wherein a support rod is provided on the liquid tank, and the pipe reel is directly rotated and disposed on the support rod of the liquid tank, and the cold source The tube and the heat return tube are wound on the tube reel and are telescopically abutted against the fixed frame. The liquid immersion cooling device according to item 1 of the scope of patent application, wherein the liquid tank is set to a corresponding size according to the size of different servers. The liquid-type immersion cooling device according to item 1 of the scope of the patent application, wherein a sliding member that cooperates with the liquid tank is provided between the liquid tank and the fixed frame, and the liquid tank is moved and disposed at the position by the sliding member. Mentioned fixed frame. The liquid immersion cooling device according to item 1 of the scope of patent application, wherein the first side wall of the liquid tank is provided with a first adapter, and the first adapter runs through the first side wall, so that The inside of the first adapter is used to connect to a server placed in the liquid tank, and the outside of the first adapter is used to connect an external power cord to provide power to the server. The liquid immersion cooling device according to item 1 of the scope of the patent application, wherein the second side wall of the liquid tank is provided with a second adapter, and the second adapter runs through the second side wall. The inside of the second adapter is used to connect a server placed in the liquid tank, and the outside of the second adapter is used to connect a network cable to provide a network to the server. The liquid immersion cooling device according to item 9 in the scope of the patent application, wherein the second side wall includes a fixing portion, and the fixing portion is disposed on two opposite sides of the second side wall, and the fixing A corresponding protruding portion is provided in a frame, and the fixing portion cooperates with the protruding portion to fix the liquid tank on the fixing frame.