A liquid-cooled cabinet maintenance device

Abstract

An embodiment of the present application provides a liquid-cooled cabinet maintenance device, which relates to the technical field of liquid-cooled data centers. The device includes: a negative-pressure liquid-cooling system and a battery unit. The negative-pressure liquid-cooling system is used to connect to a plurality of cold plates in the liquid-cooled cabinet when a failure occurs in the liquid-cooled cabinet, and cool the corresponding servers in the liquid-cooled cabinet through each cold plate. The battery unit is used to supply power to the negative-pressure liquid-cooling system. The device ensures that the server system can still operate normally when a failure occurs in the liquid-cooled cabinet.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of liquid-cooled data centers, and in particular, to a maintenance device for a liquid-cooled cabinet. Background Art

[0002] A liquid-cooled cabinet is a cabinet that cools servers through liquid-cooling technology. Among them, liquid-cooling technology is a technology that dissipates heat by using a liquid circulation medium to take away most of the heat.

[0003] A liquid-cooled cabinet includes servers, a liquid-cooling distribution unit (CDU), branch pipes, hoses, etc. Currently, when a liquid leak occurs in a liquid-cooled cabinet, the liquid-cooled cabinet needs to be powered off for maintenance. However, since there are multiple servers inside the liquid-cooled cabinet, when the liquid-cooled cabinet is powered off for maintenance, multiple servers inside the liquid-cooled cabinet will be unable to provide normal business services. Summary of the Invention

[0004] The embodiments of the present application provide a maintenance device for a liquid-cooled cabinet, so that when a liquid leak occurs in the liquid-cooled cabinet, it is not necessary to power off the liquid-cooled cabinet for maintenance.

[0005] The embodiments of the present application provide a maintenance device for a liquid-cooled cabinet, and the device includes:

[0006] A negative-pressure liquid-cooling system and a battery unit. The negative-pressure liquid-cooling system is used to connect to a plurality of cold plates in the liquid-cooled cabinet when a failure occurs in the liquid-cooled cabinet, and cool the corresponding servers in the liquid-cooled cabinet through each cold plate. The battery unit is used to supply power to the negative-pressure liquid-cooling system.

[0007] Optionally, the liquid-cooled cabinet includes a first cabinet branch pipe and a second cabinet branch pipe;

[0008] The first cabinet branch pipe includes a first cabinet quick-connect female head, and the second cabinet branch pipe includes a second cabinet quick-connect female head. The negative-pressure liquid-cooling system includes a corresponding first maintenance device quick-connect male head and a second maintenance device quick-connect male head;

[0009] Connect the first cabinet quick-connect female head to the first maintenance device quick-connect male head, and connect the second cabinet quick-connect female head and the second maintenance device quick-connect male head, so that when the negative-pressure liquid-cooling system is in a negative-pressure state, the first cabinet branch pipe and the second cabinet branch pipe in the liquid-cooled cabinet are in a negative-pressure state.

[0010] Optionally, before connecting the first quick-connect female connector of the cabinet to the first quick-connect male connector of the maintenance device and connecting the second quick-connect female connector of the cabinet to the second quick-connect male connector of the maintenance device, disconnect the connection between the first quick-connect male connector of the distribution device and the first quick-connect female connector of the cabinet, and disconnect the connection between the second quick-connect male connector of the distribution device and the second quick-connect female connector of the cabinet; the first quick-connect male connector of the distribution device is located on the first hose of the cabinet where the liquid cooling distribution device is connected to the first branch pipe of the cabinet; the second quick-connect male connector of the distribution device is located on the second hose of the cabinet where the liquid cooling distribution device is connected to the second branch pipe of the cabinet.

[0011] Optionally, for each of the cold plates, the cold plate includes a first quick-connect male connector and a second quick-connect male connector of the cabinet, and the negative pressure liquid cooling system includes a first quick-connect female connector and a second quick-connect female connector of the maintenance device corresponding to the cold plate;

[0012] Connect the first quick-connect male connector of the cabinet to the first quick-connect female connector of the maintenance device, and connect the second quick-connect male connector of the cabinet to the second quick-connect female connector of the maintenance device to connect the negative pressure liquid cooling system to the cold plate.

[0013] Optionally, before connecting the negative pressure liquid cooling system to the cold plate, disconnect the connection between the first quick-connect male connector of the cabinet and the third quick-connect female connector of the cabinet, and disconnect the connection between the second quick-connect male connector of the cabinet and the fourth quick-connect female connector of the cabinet.

[0014] Optionally, the negative pressure liquid cooling system includes an air extractor and a water tank, and when the air extractor operates, the negative pressure liquid cooling system is in a negative pressure state through the water tank.

[0015] Optionally, the negative pressure liquid cooling system further includes a first branch pipe of the maintenance device, a second branch pipe of the maintenance device, a first hose of the maintenance device, and a second hose of the maintenance device, and the first branch pipe of the maintenance device, the second branch pipe of the maintenance device, the first hose of the maintenance device, and the second hose of the maintenance device are used to convey the liquid in the water tank.

[0016] Optionally, the negative pressure liquid cooling system further includes a heat exchanger, and the heat exchanger is used to cool the liquid obtained from the first hose of the maintenance device and transfer the cooled liquid to the second hose of the maintenance device.

[0017] Optionally, the negative pressure liquid cooling system further includes a fan, and the fan is used to dissipate heat from the heat exchanger.

[0018] Optionally, the negative pressure liquid cooling system further includes a pump, and when the pump operates, the liquid in the negative pressure liquid cooling system circulates.

[0019] In the embodiment of the present application, when the liquid-cooled cabinet fails, the negative pressure liquid-cooling system in the liquid-cooled cabinet maintenance device is connected to a plurality of cold plates in the liquid-cooled cabinet, and each cold plate is used to cool the corresponding server in the liquid-cooled cabinet, so that the server can still operate normally when the liquid-cooled cabinet fails. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0021] Figure 1 Structural schematic diagram of a liquid-cooled cabinet provided by an embodiment of the present application;

[0022] Figure 2 Structural schematic diagram of a liquid-cooled cabinet provided by an embodiment of the present application;

[0023] Figure 3 Structural schematic diagram of a liquid-cooled cabinet maintenance device provided by an embodiment of the present application;

[0024] Figure 4 Structural schematic diagram of a liquid-cooled cabinet maintenance device provided by an embodiment of the present application;

[0025] Figure 5 Structural schematic diagram of a liquid-cooled cabinet maintenance device provided by an embodiment of the present application;

[0026] Figure 6 Structural schematic diagram of a liquid-cooled cabinet maintenance device provided by an embodiment of the present application;

[0027] Figure 7 Structural schematic diagram of a negative pressure liquid-cooling system provided by an embodiment of the present application;

[0028] Figure 8 Structural schematic diagram of a liquid-cooled cabinet for maintenance provided by an embodiment of the present application;

[0029] Figure 9 Structural schematic diagram of a liquid-cooled cabinet for maintenance provided by an embodiment of the present application;

[0030] Figure 10 Structural schematic diagram of a liquid-cooled cabinet for maintenance provided by an embodiment of the present application;

[0031] Figure 11 Structural schematic diagram of a liquid-cooled cabinet for maintenance provided by an embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0033] Figure 1 The structure of a liquid-cooled cabinet provided by an embodiment of the present application is shown. The liquid-cooled cabinet 101 includes a server 102. The liquid-cooled cabinet 101 may include one server 102 or multiple servers 102. Among them, each server 102 includes a cold plate 103. When the server 102 is operating, the cold plate 103 cools the server 102. For the convenience of explanation, it is defaulted below that the liquid-cooled cabinet 101 includes one server 102.

[0034] The liquid-cooled cabinet 101 further includes a liquid-cooling distribution device 104. Through the liquid-cooling distribution device 104, the temperature of the liquid in the liquid-cooled cabinet 101 can be controlled.

[0035] The liquid-cooled cabinet 101 further includes a first cabinet branch pipe 105, a second cabinet branch pipe 106, a first cabinet hose 107, a second cabinet hose 108, a third cabinet hose 109, and a fourth cabinet hose 110. Among them, the liquid in the first cabinet branch pipe 105 has a higher temperature and mainly provides a function of returning water to the cold plate 103, and inputs the liquid with a higher temperature output by the cold plate 103 to the liquid-cooling distribution device 104 for temperature reduction treatment. The liquid in the second cabinet branch pipe 106 has a lower temperature and mainly provides a water supply function to the cold plate 103 to achieve heat dissipation and cooling of the server 102.

[0036] The first end of the first cabinet hose 107 is connected to the liquid-cooling distribution device 104, and the second end is connected to the first cabinet branch pipe 105. Among them, the second end of the first cabinet hose 107 includes a first quick-connect male head 115 of the distribution device, and the first cabinet branch pipe 105 includes a first quick-connect female head 111 of the cabinet. The first quick-connect female head 111 of the cabinet is connected to the first cabinet branch pipe 105 by welding or threading. The first quick-connect male head 115 of the distribution device of the first cabinet hose 107 is connected to the first quick-connect female head 111 of the first cabinet branch pipe 105 of the cabinet, thereby realizing the connection between the first cabinet hose 107 and the first cabinet branch pipe 105.

[0037] The first end of the second cabinet hose 108 is connected to the liquid cooling distribution device 104, and the second end is connected to the second cabinet branch pipe 106. Among them, the second end of the second cabinet hose 108 includes a second quick-connect male head 116 of the distribution device, and the second cabinet branch pipe 106 includes a second quick-connect female head 112 of the cabinet. The second quick-connect female head 112 of the cabinet is connected to the second cabinet branch pipe 106 by welding or threading. The second quick-connect male head 116 of the distribution device of the second cabinet hose 108 is connected to the second quick-connect female head 112 of the second cabinet branch pipe 106 of the cabinet, thereby realizing the connection between the second cabinet hose 108 and the second cabinet branch pipe 106.

[0038] The first end of the third cabinet hose 109 is connected to the server 102, and the second end is connected to the first cabinet branch pipe 105. Among them, the second end of the third cabinet hose 109 includes a first quick-connect male head 117 of the cabinet, and the first cabinet branch pipe 105 includes a third quick-connect female head 113 of the cabinet. The third quick-connect female head 113 of the cabinet is connected to the first cabinet branch pipe 105 by welding or threading. The first quick-connect male head 117 of the third cabinet hose 109 is connected to the third quick-connect female head 113 of the first cabinet branch pipe 105 of the cabinet, thereby realizing the connection between the third cabinet hose 109 and the first cabinet branch pipe 105.

[0039] The first end of the fourth cabinet hose 110 is connected to the server 102, and the second end is connected to the second cabinet branch pipe 106. Among them, the second end of the fourth cabinet hose 110 includes a second quick-connect male head 118 of the cabinet, and the second cabinet branch pipe 106 includes a fourth quick-connect female head 114 of the cabinet. The fourth quick-connect female head 114 of the cabinet is connected to the second cabinet branch pipe 106 by welding or threading. The second quick-connect male head 118 of the fourth cabinet hose 110 is connected to the fourth quick-connect female head 114 of the second cabinet branch pipe 106 of the cabinet, thereby realizing the connection between the fourth cabinet hose 110 and the second cabinet branch pipe 106.

[0040] The liquid cooling cabinet 101 further includes a first primary side pipeline 119 of the distribution device and a second primary side pipeline 120 of the distribution device. Among them, the first end of the first primary side pipeline 119 of the distribution device is connected to the liquid cooling distribution device 104, and the second end is a sealed structure. The first end of the second primary side pipeline 120 of the distribution device is connected to the liquid cooling distribution device 104, and the second end is a sealed structure. The first primary side pipeline 119 of the distribution device and the second primary side pipeline 120 of the distribution device are used to release the heat absorbed by the liquid cooling distribution device 104.

[0041] Such as Figure 2As shown, when the liquid-cooled cabinet is in a normal working state, the liquid with a lower temperature in the liquid-cooling distribution device 104 is input into the cold plate 103 in the server 102 through the second cabinet hose 108, the second quick-connect male head 116 of the distribution device, the second quick-connect female head 112 of the cabinet, the second branch pipe 106 of the cabinet, the fourth quick-connect female head 114 of the cabinet, the second quick-connect male head 118 of the cabinet, and the fourth hose 110 of the cabinet, so as to cool down the server 102. During the process of cooling down the server 102, the temperature of the liquid in the cold plate 103 will increase. Therefore, the liquid with a higher temperature is input into the liquid-cooling distribution device 104 through the third hose 109 of the cabinet, the first quick-connect male head 117 of the cabinet, the third quick-connect female head 113 of the cabinet, the first branch pipe 105 of the cabinet, the first quick-connect female head 111 of the cabinet, the first quick-connect male head 115 of the distribution device, and the first hose 107 of the cabinet, and the liquid-cooling distribution device 104 cools down the liquid with a higher temperature. The first primary-side pipeline 119 of the distribution device and the second primary-side pipeline 120 of the distribution device are used to release the heat absorbed by the liquid-cooling distribution device 104 from the liquid.

[0042] In the liquid-cooled cabinet, the first branch pipe of the cabinet includes a first quick-connect female head and a third quick-connect female head of the cabinet, and the second branch pipe of the cabinet includes a second quick-connect female head and a fourth quick-connect female head of the cabinet. Since the first quick-connect female head and the third quick-connect female head of the cabinet are connected to the first branch pipe of the cabinet by welding or threading, and the second quick-connect female head and the fourth quick-connect female head of the cabinet are connected to the second branch pipe of the cabinet by welding or threading, there is easily a problem of liquid leakage in the first branch pipe and the second branch pipe of the cabinet. At the same time, there is also a risk of liquid leakage in the liquid-cooling distribution device in the liquid-cooled cabinet.

[0043] In order to avoid the problem of power-off maintenance of the liquid-cooled cabinet when there is a liquid leakage problem in the liquid-cooled cabinet, the present application proposes a liquid-cooled cabinet maintenance device.

[0044] A possible implementation manner is as Figure 3 shown, the liquid-cooled cabinet maintenance device 300 includes a negative-pressure liquid-cooling system 301 and a battery unit 302. The negative-pressure liquid-cooling system 301 is located below the battery unit 302.

[0045] A possible implementation manner is as Figure 4 shown, the liquid-cooled cabinet maintenance device 300 includes a negative-pressure liquid-cooling system 301 and a battery unit 302. The negative-pressure liquid-cooling system 301 is located above the battery unit 302. Since the battery unit 302 is relatively heavy and the battery unit 302 is located below, the stability of the liquid-cooled cabinet maintenance device can be maintained. The negative-pressure liquid-cooling system 301 is located above the battery unit 302, which can also effectively prevent the negative-pressure liquid-cooling system 301 from being damaged due to the excessive weight of the battery unit 302.

[0046] A possible implementation manner is as follows Figure 5 As shown, the liquid-cooled cabinet maintenance device 300 includes a negative-pressure liquid-cooling system 301 and a battery unit 302. The negative-pressure liquid-cooling system 301 is located on the left side of the battery unit 302. The negative-pressure liquid-cooling system 301 and the battery unit 302 are placed side by side, which can effectively prevent damage to the negative-pressure liquid-cooling system 301 caused by the excessive weight of the battery unit 302.

[0047] A possible implementation manner is as follows Figure 6 As shown, the liquid-cooled cabinet maintenance device 300 includes a negative-pressure liquid-cooling system 301 and a battery unit 302. The negative-pressure liquid-cooling system 301 is located on the right side of the battery unit 302. The negative-pressure liquid-cooling system 301 and the battery unit 302 are placed side by side, which can effectively prevent damage to the negative-pressure liquid-cooling system 301 caused by the excessive weight of the battery unit 302.

[0048] For the convenience of explaining the present application, the following examples are all based on Figure 4 For example. When a failure occurs in the liquid-cooled cabinet 101 in Figure 1 , the negative-pressure liquid-cooling system 301 is connected to a plurality of cold plates 103 in the liquid-cooled cabinet 101, and each cold plate 103 is used to cool the corresponding server 102 in the liquid-cooled cabinet 101, and the battery unit 302 is used to supply power to the negative-pressure liquid-cooling system 301.

[0049] In the embodiments of the present application, when a failure occurs in the liquid-cooled cabinet, the negative-pressure liquid-cooling system in the liquid-cooled cabinet maintenance device is connected to a plurality of cold plates in the liquid-cooled cabinet, and each cold plate is used to cool the corresponding server in the liquid-cooled cabinet, so that the server can still operate normally when the liquid-cooled cabinet fails.

[0050] As Figure 7 shown, the negative-pressure liquid-cooling system 301 includes an air extractor 401 and a water tank 402. The water tank 402 is used to store liquid. When the air extractor 401 operates, the negative-pressure liquid-cooling system 301 is in a negative-pressure state through the water tank 402.

[0051] The negative-pressure liquid-cooling system 301 further includes a first branch pipe 403 of the maintenance device, a second branch pipe 404 of the maintenance device, a first hose 405 of the maintenance device, and a second hose 406 of the maintenance device. The materials of the first branch pipe 403 and the second branch pipe 404 of the maintenance device can be rigid materials. The materials of the first hose 405 and the second hose 406 of the maintenance device can be flexible materials, such as any one of leather, plastic, or rubber. Among them, the first branch pipe of the maintenance device, the second branch pipe of the maintenance device, the first hose of the maintenance device, and the second hose of the maintenance device are used to convey the liquid in the water tank 402.

[0052] The negative pressure liquid cooling system 301 further includes a heat exchanger 407, which is used to cool the liquid obtained from the first maintenance equipment hose 405 and transfer the cooled liquid to the second maintenance equipment hose 406.

[0053] The negative pressure liquid cooling system 301 further includes a fan 408, which is used to dissipate heat from the heat exchanger 407.

[0054] The negative pressure liquid cooling system 301 further includes a pump 409, which causes the liquid in the negative pressure liquid cooling system 301 to circulate when it works.

[0055] The negative pressure liquid cooling system 301 further includes a first quick-connect male head 410 for maintenance equipment, a second quick-connect male head 411 for maintenance equipment, a first quick-connect female head 412 for maintenance equipment, and a second quick-connect female head 413 for maintenance equipment.

[0056] When a fault occurs in the liquid cooling cabinet 101, as Figure 8 shown, disconnect the connection between the first quick-connect male head 115 of the distribution device and the first quick-connect female head 111 of the cabinet, and the connection between the second quick-connect male head 116 of the distribution device and the second quick-connect female head 112 of the cabinet. Among them, the first quick-connect male head of the distribution device is located on the first cabinet hose connecting the liquid cooling distribution device and the first branch pipe of the cabinet; the second quick-connect male head of the distribution device is located on the second cabinet hose connecting the liquid cooling distribution device and the second branch pipe of the cabinet.

[0057] As Figure 9 shown, connect the first quick-connect female head 111 of the cabinet to the first quick-connect male head 410 for maintenance equipment, and connect the second quick-connect female head 112 of the cabinet and the second quick-connect male head 411 for maintenance equipment, so that when the negative pressure liquid cooling system 301 is in a negative pressure state, the first branch pipe 105 and the second branch pipe 106 in the liquid cooling cabinet 101 are in a negative pressure state, which can effectively prevent the liquid in the first branch pipe and the second branch pipe of the cabinet from leaking.

[0058] As Figure 10 shown, disconnect the connection between the first quick-connect male head 117 of the cabinet and the third quick-connect female head 113 of the cabinet, and disconnect the connection between the second quick-connect male head 118 of the cabinet and the fourth quick-connect female head 114 of the cabinet.

[0059] As Figure 11 shown, connect the first quick-connect male head 117 of the cabinet to the first quick-connect female head 412 for maintenance equipment, and connect the second quick-connect male head 118 of the cabinet to the second quick-connect female head 413 for maintenance equipment to connect the negative pressure liquid cooling system 301 to the cold plate 103. When the liquid cooling cabinet is normally powered on and the server is normally providing business services, the liquid cooling cabinet maintenance equipment can effectively cool and dissipate heat from the server through the negative pressure liquid cooling system.

[0060] In the embodiment of the present application, first connect the first quick-connect female head of the cabinet with the first quick-connect male head of the maintenance device, and connect the second quick-connect female head of the cabinet with the second quick-connect male head of the maintenance device, so that when the negative pressure liquid cooling system is in a negative pressure state, the first branch pipe and the second branch pipe in the liquid-cooled cabinet are in a negative pressure state, which can effectively avoid liquid leakage in the first branch pipe and the second branch pipe of the cabinet.

[0061] Then connect the first quick-connect male head of the cabinet with the first quick-connect female head of the maintenance device, and connect the second quick-connect male head of the cabinet with the second quick-connect female head of the maintenance device to connect the negative pressure liquid cooling system with the cold plate. When the liquid-cooled cabinet is normally powered on and the server is normally providing business services, the liquid-cooled cabinet maintenance device effectively cools and dissipates heat from the server through the negative pressure liquid cooling system.

[0062] At this time, the first branch pipe, the second branch pipe and the liquid cooling distribution device in the liquid-cooled cabinet no longer participate in the process of cooling and dissipating heat from the server, and the first branch pipe, the second branch pipe and the liquid cooling distribution device can be repaired.

[0063] After the repair is completed, first disconnect the connection between the first quick-connect female head of the cabinet and the first quick-connect male head of the maintenance device, and the connection between the second quick-connect female head of the cabinet and the second quick-connect male head of the maintenance device. Then connect the first quick-connect male head of the distribution device with the first quick-connect female head of the cabinet, and connect the second quick-connect male head of the distribution device with the second quick-connect female head of the cabinet.

[0064] Then, disconnect the connection between the first quick-connect male head of the cabinet and the first quick-connect female head of the maintenance device, and the connection between the second quick-connect male head of the cabinet and the second quick-connect female head of the maintenance device. Then connect the first quick-connect male head of the cabinet with the third quick-connect female head of the cabinet, and connect the second quick-connect male head of the cabinet with the fourth quick-connect female head of the cabinet. Ensure that the liquid-cooled cabinet is always powered on and the server can run normally.

[0065] Those skilled in the art should understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0066] This application is described with reference to the flowcharts and / or block diagrams of methods, apparatus (systems), and computer program products according to the application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of flows and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing device to generate a machine, such that the instructions executed by the processor of the computer or other programmable data processing device produce a means for implementing the functions specified in the Figure 1 one or more flows and / or blocks Figure 1 one or more blocks.

[0067] These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to work in a specific manner, such that the instructions stored in the computer-readable memory produce a manufactured article including an instruction means that implements the functions specified in the Figure 1 one or more flows and / or blocks Figure 1 one or more blocks.

[0068] These computer program instructions can also be loaded onto a computer or other programmable data processing device, such that a series of operation steps are executed on the computer or other programmable device to generate a computer-implemented process, and thus the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in the Figure 1 one or more flows and / or blocks Figure 1 one or more blocks.

[0069] Obviously, those skilled in the art can make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalent technologies, this application is also intended to include these changes and modifications.

Claims

1. A liquid-cooled cabinet maintenance device, characterized in that, it includes: a negative pressure liquid cooling system and a battery unit. The negative pressure liquid cooling system is used to connect to a plurality of cold plates in the liquid-cooled cabinet when a failure occurs in the liquid-cooled cabinet, and cool the corresponding servers in the liquid-cooled cabinet through each cold plate. The battery unit is used to supply power to the negative pressure liquid cooling system; the liquid-cooled cabinet includes a cabinet first branch pipe and a cabinet second branch pipe; the cabinet first branch pipe includes a cabinet first quick-connect female head, and the cabinet second branch pipe includes a cabinet second quick-connect female head; the negative pressure liquid cooling system includes a corresponding maintenance device first quick-connect male head and a maintenance device second quick-connect male head; connect the cabinet first quick-connect female head to the maintenance device first quick-connect male head, and connect the cabinet second quick-connect female head and the maintenance device second quick-connect male head, so that when the negative pressure liquid cooling system is in a negative pressure state, the cabinet first branch pipe and the cabinet second branch pipe in the liquid-cooled cabinet are in a negative pressure state.

2. The device according to claim 1, characterized in that, before connecting the cabinet first quick-connect female head to the maintenance device first quick-connect male head, and connecting the cabinet second quick-connect female head and the maintenance device second quick-connect male head, disconnect the connection between the distribution device first quick-connect male head and the cabinet first quick-connect female head, and disconnect the connection between the distribution device second quick-connect male head and the cabinet second quick-connect female head; the distribution device first quick-connect male head is located on the cabinet first hose connecting the liquid cooling distribution device and the cabinet first branch pipe; the distribution device second quick-connect male head is located on the cabinet second hose connecting the liquid cooling distribution device and the cabinet second branch pipe.

3. The device according to claim 1, characterized in that, for each cold plate, the cold plate includes a cabinet first quick-connect male head and a cabinet second quick-connect male head, and the negative pressure liquid cooling system includes a maintenance device first quick-connect female head and a maintenance device second quick-connect female head corresponding to the cold plate; connect the cabinet first quick-connect male head to the maintenance device first quick-connect female head, and connect the cabinet second quick-connect male head to the maintenance device second quick-connect female head to realize the connection between the negative pressure liquid cooling system and the cold plate.

4. The device according to claim 3, characterized in that, before connecting the negative pressure liquid cooling system to the cold plate, disconnect the connection between the cabinet first quick-connect male head and the cabinet third quick-connect female head, and disconnect the connection between the cabinet second quick-connect male head and the cabinet fourth quick-connect female head.

5. The device according to any one of claims 1 to 4, characterized in that, the negative pressure liquid cooling system includes an air extractor and a water tank, and when the air extractor works, the negative pressure liquid cooling system is in a negative pressure state through the water tank.

6. The device according to claim 5, characterized in that, The negative pressure liquid cooling system further includes a maintenance equipment first branch pipe, a maintenance equipment second branch pipe, a maintenance equipment first hose, and a maintenance equipment second hose, and the maintenance equipment first branch pipe, the maintenance equipment second branch pipe, the maintenance equipment first hose, and the maintenance equipment second hose are used for conveying the liquid in the water tank.

7. The equipment according to claim 6, characterized in that the negative pressure liquid cooling system further includes a heat exchanger, and the heat exchanger is used for cooling the liquid obtained from the maintenance equipment first hose and transferring the cooled liquid to the maintenance equipment second hose.

8. The equipment according to claim 7, characterized in that the negative pressure liquid cooling system further includes a fan, and the fan is used for dissipating heat from the heat exchanger.

9. The equipment according to claim 5, characterized in that the negative pressure liquid cooling system further includes a pump, and when the pump works, the liquid in the negative pressure liquid cooling system circulates.

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