WO2024011912A1 - Maintenance device, liquid cooling system, and maintenance method for liquid cooling system - Google Patents

Abstract

The present disclosure provides a maintenance device, a liquid cooling system, and a maintenance method for the liquid cooling system. The maintenance device is used to maintain the liquid cooling system. The liquid cooling system comprises a liquid cooling source, a cold plate, and a liquid cooling pipeline assembly. The liquid cooling pipeline assembly is connected to the cold plate and the liquid cooling source, so that the liquid cooling source and the cold plate form a circulation loop. The maintenance device comprises a maintenance unit, which is used to: once one end of a component to be replaced of the liquid cooling pipeline assembly is removed and before a replacement component is mounted, at least part of the liquid cooling pipeline assembly is replaced, so that the liquid cooling source and the cold plate form the circulation loop.

Description

Maintenance device, liquid cooling system and maintenance method of liquid cooling system

Cross-references to related applications

This disclosure claims priority to Chinese patent application CN202210833720.0 titled "Maintenance device, liquid cooling system and maintenance method of liquid cooling system" submitted on July 15, 2022, the entire content of which is incorporated into this disclosure by reference. .

Technical field

The present disclosure relates to the technical field of liquid cooling systems, and in particular, to a maintenance device, a liquid cooling system, and a maintenance method of the liquid cooling system.

Background technique

With the rapid development of communication technology, the power consumption of equipment and chips is increasing, which poses a huge challenge to heat dissipation. Liquid cooling technology has gradually attracted everyone's attention due to its advantages such as strong heat dissipation capacity, energy saving and noise reduction. The liquid cooling system includes a liquid cooling source, a cold plate and a connecting pipeline. The connecting pipeline is used to connect the cold plate and the liquid cooling source to form a circulation pipeline. However, when a component in the connecting pipeline of the liquid cooling system fails, there is a technical problem that it is difficult to quickly replace it. Once the component fails, the cost is huge, especially for routers and switches that require high equipment reliability.

Contents of the invention

The present disclosure provides a maintenance device, a liquid cooling system and a maintenance method of the liquid cooling system, aiming to solve the technical problem of difficulty in quickly replacing the parts to be replaced of the liquid cooling pipeline components of the liquid cooling system.

According to a first aspect of the present disclosure, the present disclosure provides a maintenance device configured to maintain a liquid cooling system. The liquid cooling system includes a liquid cooling source, a cold plate and a liquid cooling pipeline assembly. The liquid cooling pipeline assembly is connected to the cold plate. and a liquid cooling source so that the liquid cooling source and the cold plate form a circulation loop; the maintenance device includes: a maintenance unit, used to replace at least part of the liquid after removing one end of the component to be replaced of the liquid cooling pipeline assembly and before installing the replacement component. The cold pipeline assembly is used to form a circulation loop between the liquid cooling source and the cold plate.

According to a second aspect of the present disclosure, the present disclosure provides a liquid cooling system, including: a liquid cooling source; a cold plate; a liquid cooling pipeline assembly, the liquid cooling pipeline assembly is connected to the cold plate and the liquid cooling source to allow liquid cooling The source and the cold plate form a circulation loop; wherein, the liquid cooling pipeline component is provided with a maintenance component, and the maintenance component cooperates with the above-mentioned maintenance device to replace the parts to be replaced of the liquid cooling pipeline component.

According to a third aspect of the present disclosure, the present disclosure provides a liquid cooling system kit, including: a liquid cooling system; and a maintenance device for the liquid cooling system. The liquid cooling system is the above-mentioned liquid cooling system, and/or the maintenance device is the above-mentioned maintenance device.

According to a fourth aspect of the present disclosure, the present disclosure provides a maintenance method for a liquid cooling system. The liquid cooling system includes a liquid cooling source, a cold plate and a liquid cooling pipeline assembly. The maintenance method includes: replacing the liquid cooling pipeline with replacement parts. The component to be replaced of the assembly, and after removing one end of the component to be replaced and before installing the replacement component, install at least part of the maintenance device so that the liquid cooling source and the cold plate form a circulation loop.

Description of drawings

In order to explain the technical solutions of the present disclosure more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present disclosure. For those of ordinary skill in the art, As far as workers are concerned, other drawings can also be obtained based on these drawings without exerting creative work.

Figure 1 is a schematic diagram of a liquid cooling system provided by an embodiment of the present disclosure;

Figure 2 is a schematic diagram of the first liquid dispenser provided by an embodiment of the present disclosure from an angle;

Figure 3 is a schematic diagram of a second liquid dispenser provided by an embodiment of the present disclosure from an angle;

Figure 4 is a schematic diagram of a first liquid dispenser provided by an embodiment of the present disclosure;

Figure 5 is a schematic diagram of the first liquid dispenser provided by an embodiment of the present disclosure from another angle;

Figure 6 is a schematic view of the second liquid dispenser provided by an embodiment of the present disclosure from another angle;

Figure 7 is a partial schematic diagram of a liquid cooling system provided by an embodiment of the present disclosure;

Figure 8 is a schematic structural diagram of a maintenance device provided by an embodiment of the present disclosure from an angle;

Figure 9 is a schematic structural diagram of the maintenance device provided by an embodiment of the present disclosure from another angle;

Figure 10 is a schematic structural diagram of a maintenance device provided by an embodiment of the present disclosure from another angle;

Figure 11 is a partial structural schematic diagram of a maintenance device provided by an embodiment of the present disclosure, which shows a maintenance unit;

Figure 12 is a schematic structural diagram of a pressure gauge provided by an embodiment of the present disclosure;

Figure 13 is a schematic structural diagram of a vacuum pump provided by an embodiment of the present disclosure.

Explanation of reference symbols:
100. Liquid cooling system; 10. Liquid cooling source; 20. Cold plate; 21. First cold plate; 22. Second cold plate; 30. Liquid cooling pipeline assembly; 301. Liquid inlet pipeline group; 302. Outlet Liquid pipeline group; 31. Maintenance component; 311. Quick release joint; 312. First maintenance interface; 313. Second maintenance interface; 314. Spare pipeline; 3141. Spare pipeline switch; 3142. Spare pipeline quick release Joint; 315. Third maintenance interface; 32. Main pipeline; 321. Main pipeline switch; 322. Main pipeline quick-release joint; 33. Main pipeline; 34. First dispenser; 341. No. One connection interface; 342, second connection interface; 343, third connection interface; 35, first three-level branch; 36, two-level branch; 37, second dispenser; 371, fourth connection interface; 372 , The fifth connection interface; 38. The second and third-level branches; 200. Maintenance device; 201. Maintenance unit; 2011. The first maintenance branch; 2012. The second maintenance branch; 2013. The third maintenance branch; 2014 , liquid injection pipeline; 202, liquid replenishment unit; 2021, liquid storage container; 20211, liquid outlet interface; 20212, connection part; 2022, vacuum pump; 2023, monitoring module; 20231, pressure gauge; 20232, weighing meter; 2024. Heating element; 2025, assembly interface; 2026, pressure display panel; 2027, control switch; 203, control unit; 2031, controller; 2032, display screen; 204, carrying car.

Detailed ways

The technical solutions in this disclosure will be clearly and completely described below with reference to the accompanying drawings in this disclosure. Obviously, the described embodiments are part of the embodiments of this disclosure, rather than all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this disclosure.

In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The directions indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" etc. or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it is not to be construed as a limitation on the present disclosure. In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined as “first” and “second” may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, "plurality" means two or more than two, unless otherwise expressly and specifically limited.

It should also be understood that the terminology used in the description of the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the disclosure. As used in this disclosure and the appended claims, the singular forms "a,""an," and "the" are intended to include the plural forms unless the context clearly dictates otherwise.

It will be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. .

It should also be understood that the methods in the present disclosure are only illustrative, and do not necessarily include all contents and operations/steps, nor must they be performed in the order described. For example, some operations/steps can also be decomposed, combined or partially merged, so the actual order of execution may change according to actual conditions.

With the rapid development of communication technology, the power consumption of equipment and chips is increasing, which poses a huge challenge to heat dissipation. Liquid cooling technology has gradually attracted everyone's attention due to its advantages such as strong heat dissipation capacity, energy saving and noise reduction. Internet companies have already Small batches of liquid cooling are commercially available, and operators are actively promoting liquid cooling technology pilots, such as the Liquid Cooling Experimental Bureau established in recent years.

At present, it seems that an important reason hindering the further promotion of liquid cooling technology is that its reliability issues have caused users' doubts. Compared with air cooling systems, liquid cooling systems are complex and have many components, and it is difficult to replace them quickly when damaged. Once it fails, the cost will be huge. Especially routers and switches that have high requirements on equipment reliability. In the process of communicating with users, the need to achieve online maintenance of the entire liquid cooling system is often mentioned, but there is no feasible solution in the industry. Generally, individual components can only be replaced through redundant design (such as cooling capacity distribution). Unit (Cooling Dispensing Unit, CDU), cold plate). Failed parts of the liquid cooling system in the industry cannot be replaced without the equipment shutting down. Downtime is unacceptable for routers and switches, and it also has a negative impact on server products; and downtime can cause customer complaints and even cause serious communication accidents. In addition, two-phase high-voltage systems are more difficult to maintain than single-phase systems due to system characteristics, and maintenance design is more difficult.

Based on this, this patent designs a maintenance device, a liquid cooling system and a maintenance method of the liquid cooling system.

Referring to FIG. 1 , the present disclosure provides a liquid cooling system 100 , including a liquid cooling source 10 , a cold plate 20 and a liquid cooling pipeline assembly 30 . The liquid cooling pipeline assembly 30 is connected to the cold plate 20 and the liquid cooling source 10 so that the liquid cooling source 10 and the cold plate 20 form a circulation loop. Among them, the liquid cooling pipeline assembly 30 is provided with a maintenance assembly 31 , and the maintenance assembly 31 is used to replace the parts to be replaced of the liquid cooling pipeline assembly 30 .

In the liquid cooling system 100 of the above embodiment, when the pipeline component in the liquid cooling pipeline assembly 30 fails or is damaged (at this time, the failed pipeline component is called a component to be replaced), the maintenance component 31 and the maintenance device 200 Coupled with the ability to quickly replace parts to be replaced, it enables on-site maintenance of parts to be replaced without shutting down the equipment, reducing the risk of equipment failure and downtime, reducing communication accidents caused by equipment downtime; and improving the user experience and product reliability. sex and competitiveness.

In an exemplary embodiment, the liquid cooling source 10 includes a cooling distribution unit (Cooling Dispensing Unit, CDU).

Referring to FIG. 1 , in some embodiments, the maintenance component 31 includes a detachable connection between adjacent pipeline components in the liquid cooling pipeline assembly 30 and a detachable connection between the cold plate 20 and the liquid cooling pipeline assembly 30 . Quick release joint 311 between. It can be understood that the number of quick-release joints 311 includes at least two. Quick-release joints 311 are provided between adjacent pipeline components in the liquid cooling pipeline assembly 30 to achieve detachable connection of adjacent pipeline components to facilitate quick removal of the components to be replaced and installation of replacement components when replacing the components to be replaced. , improve maintenance efficiency. A quick-release joint 311 is provided between the cold plate 20 and the liquid-cooling pipeline assembly 30 to realize a detachable connection between the cold plate 20 and the liquid-cooling pipeline assembly 30, so as to facilitate the connection between the cold plate 20 and the liquid-cooling pipeline assembly 30 when replacing the parts to be replaced. The rapid installation and disassembly of corresponding pipeline components provides guarantee for rapid replacement of components to be replaced.

The number of cold plates 20 can be designed according to actual requirements, for example, one, two, three, four, five, six or more.

Referring to FIGS. 1 and 2 , in some embodiments, the liquid cooling system 100 includes a first cold plate 21 . The liquid cooling pipeline assembly 30 includes a main pipeline 32 , a main pipeline 33 , a first liquid distributor 34 and a first three-level branch pipeline 35 that are connected in sequence. The main pipeline 32 is connected to the liquid cooling source 10 . The first three-level branch 35 is connected to the first cold plate 21 . The maintenance component 31 includes a first maintenance interface 312 for connecting with the maintenance device 200 . The first maintenance interface 312 is provided on the first dispenser 34 . The setting of the first maintenance interface 312 provides guarantee for rapid replacement of the first three-level branch 35 .

It can be understood that the number of the first three-level branch 35 and the first cold plate 21 can be designed according to actual needs, such as one, two, three, four, five, six or more. Referring to FIG. 1 , in an exemplary embodiment, the number of first three-level branches 35 is the same as the number of first cold plates 21 . One end of the first and third-level branch 35 passes through the quick release joint 311 is detachably connected to the first dispenser 34. The other end of the first three-level branch 35 is detachably connected to the first cold plate 21 through a quick-release joint 311 .

Referring to FIGS. 1 and 3 , in some embodiments, the liquid cooling system 100 includes a second cold plate 22 . The liquid cooling pipeline assembly 30 includes a main pipeline 32 , a main pipeline 33 , a first liquid distributor 34 , a secondary branch 36 , a second liquid distributor 37 and a second third branch 38 . The main pipeline 32 is connected to the liquid cooling source 10 . The second third-level branch 38 is connected to the second cold plate 22 . The maintenance component 31 includes a second maintenance interface 313 for connecting with the maintenance device 200 . The second maintenance interface 313 is provided on the second dispenser 37 . The setting of the second maintenance interface 313 provides guarantee for rapid replacement of the second and third-level branches 38 .

It can be understood that the number of the secondary branch 36 , the second liquid distributor 37 , the second third branch 38 and the second cold plate 22 can be designed according to actual needs, such as one, two, three, or four. One, five, six or more. In an exemplary embodiment, the number of secondary branches 36 is the same as the number of second dispensers 37. One end of the secondary branches 36 is detachably connected to the first dispenser 34 through a quick release joint 311, and the second end of the secondary branches 36 is detachably connected to the first dispenser 34. The other end of the stage branch 36 is detachably connected to the second dispenser 37 through a quick release joint 311. The number of the second third-level branches 38 is the same as the number of the second cold plates 22 . One end of the second three-stage branch 38 is detachably connected to the second liquid dispenser 37 through a quick-release joint 311 , and the other end of the second three-stage branch 38 is detachably connected to the second cold plate 22 through a quick-release joint 311 . For example, a second liquid dispenser 37 is provided with a plurality of second third-level branches 38 and a plurality of second cold plates 22 .

Please refer to Figure 4. In some embodiments, the maintenance component 31 includes a third maintenance interface 315 provided on the first dispenser 34. The third maintenance interface 315 is used to connect with the maintenance device 200 to maintain the secondary branch 36. and/or second dispenser 37. The setting of the third maintenance interface 315 provides guarantee for quick replacement of the secondary branch 36 or the second dispenser 37 .

Please refer to Figures 1, 2, 3, 5 and 6. In some embodiments, the first dispenser 34 is provided with a first connection interface 341, a second connection interface 342, a third connection interface 343 and The first maintenance interface 312. The main pipeline 32 is detachably connected to the first connection interface 341 through the quick-release joint 311, thereby realizing the detachable connection between the main pipeline 32 and the first dispenser 34. The first three-stage branch 35 is detachably connected to the second connection interface 342 through the quick-release joint 311, thereby realizing the detachable connection between the first three-stage branch 35 and the first dispenser 34. The secondary branch 36 is detachably connected to the third connection interface 343 through the quick-release joint 311, thereby realizing the detachable connection between the secondary branch 36 and the first dispenser 34. The second dispenser 37 is provided with a fourth connection interface 371 , a fifth connection interface 372 and a second maintenance interface 313 . The secondary branch 36 is detachably connected to the fourth connection interface 371 through the quick release interface, thereby realizing the detachable connection between the secondary branch 36 and the second dispenser 37 . The second third-level branch 38 is detachably connected to the fifth connection interface 372 through the quick-release joint 311, thereby realizing the detachable connection between the second third-level branch 38 and the second dispenser 37.

In an exemplary embodiment, the first connection interface 341 is provided on one side of the first dispenser 34 , the second connection interface 342 , the third connection interface 343 and the first maintenance interface 312 are provided on the first dispenser 34 the other opposite side. The fourth connection interface 371 and the fifth connection interface 372 are provided on opposite sides of the second dispenser 37 , and the second maintenance interface 313 and the fifth connection interface 372 are provided on the same side of the second dispenser 37 .

Please refer to Figure 1, Figure 3 to Figure 7. In some embodiments, the first dispenser 34 is provided with a first connection interface 341, a second connection interface 342, a third connection interface 343, a first maintenance interface 312 and The third maintenance interface 315. The main pipeline 32 is detachably connected to the first connection interface 341 through the quick-release joint 311, thereby realizing the detachable connection between the main pipeline 32 and the first dispenser 34. The first three-stage branch 35 is detachably connected to the second connection interface 342 through the quick-release joint 311, thereby realizing the detachable connection between the first three-stage branch 35 and the first dispenser 34. The secondary branch 36 is detachably connected to the third connection interface 343 through the quick-release joint 311, thereby realizing the detachable connection between the secondary branch 36 and the first dispenser 34. The second dispenser 37 is provided with a fourth connection interface 371 and a fifth connection interface 372 . The secondary branch 36 is detachably connected to the fourth connection interface 371 through the quick-release joint 311, thereby realizing the detachable connection between the secondary branch 36 and the second dispenser 37. The second third-level branch 38 is detachably connected to the fifth connection interface 372 through the quick-release joint 311, thereby realizing the detachable connection between the second third-level branch 38 and the second dispenser 37.

In an exemplary embodiment, the first connection interface 341 is provided on one side of the first dispenser 34, the second connection interface 342, the third connection interface 343, the first maintenance interface 312 and the third maintenance interface 315 are provided on The other opposite side of the first dispenser 34 . The fourth connection interface 371 and the fifth connection interface 372 are provided on opposite sides of the second dispenser 37 .

In an exemplary embodiment, the number of the first maintenance interface 312 is one. The number of the second maintenance interface 313 is one. The number of the third maintenance interface 315 is one. The number of the first connection interface 341 is one. There are multiple second connection interfaces 342 . There is one third connection interface 343 . The number of the fourth connection interface 371 is one. There are multiple fifth connection interfaces 372 . Of course, in other embodiments, the first maintenance interface 312, the second maintenance interface 313, the third maintenance interface 315, the first connection interface 341, the second connection interface 342, the third connection interface 343, the fourth connection interface 371, The fifth connection interfaces 372 can be designed in other numbers or combinations according to actual requirements.

Referring to FIG. 1 , it can be understood that the liquid cooling pipeline assembly 30 includes a liquid inlet pipeline group 301 and a liquid outlet pipeline group 302 . The liquid cooling source 10, the liquid inlet pipeline group 301, the cold plate 20, and the liquid outlet pipeline group 302 are connected to form a circulation loop. The refrigerant flowing out from the liquid cooling source 10 flows through the liquid inlet pipeline group 301 and enters the cold plate 20 . When the refrigerant flows through the cold plate 20, it can absorb the heat of the chip, and part of the refrigerant vaporizes. The refrigerant flowing out from the cold plate 20 flows back to the liquid cooling source 10 through the liquid outlet pipe group 302 .

In an exemplary embodiment, the liquid inlet pipeline group 301 and the liquid outlet pipeline group 302 have the same structure.

Please refer to Figure 1 . In an exemplary embodiment, the liquid inlet pipeline group 301 includes a main pipeline 32 , a main pipeline 33 , a first liquid distributor 34 , a first third-level branch 35 , and a second-level branch 36 , the second liquid dispenser 37 and the second third-level branch 38. The liquid outlet pipeline group 302 includes a main pipeline 32, a main pipeline 33, a first liquid distributor 34, a first third-level branch 35, a second-level branch 36, a second liquid distributor 37 and a second third-level branch. Road 38.

Please refer to FIG. 1 . In some embodiments, the main pipeline 32 of the liquid cooling pipeline assembly 30 is provided with a main pipeline switch 321 and a main pipeline quick-release joint 322 . Maintenance assembly 31 also includes backup lines 314 . The backup pipeline 314 is connected to the liquid cooling source 10 . The backup pipeline 314 is provided with a backup pipeline switch 3141 and a backup pipeline quick-release joint 3142 for connecting to the maintenance device 200 . The settings of the spare pipeline 314, the spare pipeline switch 3141 and the spare pipeline quick-release joint 3142 provide guarantee for quick replacement of parts to be replaced.

Referring to FIG. 1 and FIG. 8 , the present disclosure also provides a maintenance device 200 for maintaining the liquid cooling system 100 . The liquid cooling system 100 includes a liquid cooling source 10, a cold plate 20 and a liquid cooling pipeline assembly 30. The liquid cooling pipeline assembly 30 is connected to the cold plate 20 and the liquid cooling source 10 so that the liquid cooling source 10 and the cold plate 20 form a circulation loop. . The maintenance device 200 includes a maintenance unit 201. The maintenance unit 201 is used to replace at least part of the liquid cooling pipeline assembly 30 after removing one end of the component to be replaced and before installing the replacement component so that the liquid cooling source 10 and the cold plate 20 form a circulation loop.

In the maintenance device 200 of the above embodiment, when the pipeline component in the liquid cooling pipeline assembly 30 fails or is damaged (at this time, the failed pipeline component is called a component to be replaced), the maintenance device 200 communicates with the liquid cooling system 100 The maintenance component 31 can quickly replace the parts to be replaced, realizing on-site maintenance of the parts to be replaced without the equipment shutting down, reducing the risk of equipment failure and shutdown, reducing communication accidents caused by equipment shutdown; and improving the user experience , improve product reliability and competitiveness.

In an exemplary embodiment, the liquid cooling system 100 includes the liquid cooling system 100 of any of the above embodiments.

It can be understood that when replacing the components to be replaced in the liquid cooling system 100, the pressure difference of the liquid cooling source 10 is adjusted to maintain the flow distribution law of the system and avoid the risk of unstable operation of the system caused by flow fluctuations.

The structure of the maintenance unit 201 can be designed according to actual needs, as long as the flow resistance and liquid cooling design can be ensured to be consistent. For example, the structure of the maintenance unit 201 is basically similar to the liquid cooling system 100 .

Referring to FIGS. 8 to 11 , in some embodiments, the maintenance unit 201 includes a first maintenance branch 2011 , a second maintenance branch 2012 , a third maintenance branch 2013 and a liquid injection pipeline 2014 . The third maintenance branch 2013 is connected with the second maintenance branch 2012. The first maintenance branch 2011, the second maintenance branch 2012 and the third maintenance branch 2013 are all connected with the liquid injection pipeline 2014. The fluid replenishment unit 202 (see FIG. 8 ) or other fluid replenishment devices can be connected with the fluid injection pipeline 2014 to replenish the maintenance unit 201 . The first maintenance branch 2011 is detachably connected to the liquid injection pipeline 2014. It can be understood that the first maintenance branch 2011 is used to maintain the first three-level branch 35 and/or the second three-level branch 38 of the liquid cooling pipeline assembly 30 . The second maintenance branch 2012 and the third maintenance branch 2013 are used to maintain the first distributor 34, the secondary branch 36, and the liquid cooling pipeline assembly 30. At least one of the second liquid dispenser 37 and the main pipe 33 .

The number and specific arrangement of the first maintenance branch 2011, the second maintenance branch 2012, the third maintenance branch 2013 and the liquid injection pipeline 2014 can be designed according to actual needs. In some embodiments, the number of the first maintenance branch 2011 , the second maintenance branch 2012 , the third maintenance branch 2013 and the liquid injection pipeline 2014 each includes multiple, such as two, three, four, or five. or more.

Please refer to Figures 9 and 11. In some embodiments, the number of first maintenance branches 2011 includes multiple first maintenance branches 2011, and the plurality of first maintenance branches 2011 form a first group of first maintenance branches and a second group of first maintenance branches. branch road. The first group of first maintenance branches and the second group of first maintenance branches are arranged oppositely and spaced apart along the first direction. In an exemplary embodiment, the maintenance unit 201 further includes a housing (not labeled), and the projections of the second maintenance branch 2012 and the third maintenance branch 2013 on the horizontal plane are located in the first group of first protruding out of the housing. between the maintenance branch and the projection of the second group of first maintenance branches extending out of the housing on the horizontal plane. In an exemplary embodiment, the first group of first maintenance branches and the second group of first maintenance branches are respectively connected to one liquid injection pipeline 2014.

In an exemplary embodiment, the first set of first maintenance branches includes one or more first maintenance branches 2011. The second group of first maintenance branches includes one or more first maintenance branches 2011. Referring to Figures 9 and 11, when the first group of first maintenance branches includes a plurality of first maintenance branches 2011, the plurality of first maintenance branches 2011 of the first group of first maintenance branches are spaced apart in the vertical direction. Arrange settings. When the second group of first maintenance branches includes a plurality of first maintenance branches 2011, the plurality of first maintenance branches 2011 of the second group of first maintenance branches are arranged at intervals along the vertical direction. In an exemplary embodiment, the first group of first maintenance branches and the second group of first maintenance branches are symmetrically arranged.

Referring to FIGS. 9 and 11 , in an exemplary embodiment, the first group of first maintenance branches includes 9 first maintenance branches 2011 . The second group of first maintenance branches includes 9 first maintenance branches 2011.

Referring to FIGS. 9 and 11 , the number of second maintenance branches 2012 includes multiple second maintenance branches 2012 , and the plurality of second maintenance branches 2012 form a first group of second maintenance branches and a second group of second maintenance branches. The first group of second maintenance branches and the second group of second maintenance branches are arranged oppositely in the vertical direction. In an exemplary embodiment, the projection of the first group of second maintenance branches and the second group of second maintenance branches on the ZOY plane in FIG. 9 is located on the third maintenance branch 2013 on the ZOY plane in FIG. 9 below or below the projection. In this way, the maintenance device 200 has a compact structure and takes up little space. In an exemplary embodiment, the number of third maintenance branches 2013 includes two; the projection of the first group of second maintenance branches and the second group of second maintenance branches on the horizontal plane is located at the two third maintenance branches. Road 2013 between projections on the horizontal plane. In an exemplary embodiment, the first set of second maintenance branches is connected to a liquid injection pipeline 2014 through a connecting pipeline (not labeled). The second set of second maintenance branches is connected to another liquid injection pipeline 2014 through another connecting pipeline (not labeled).

The first set of second maintenance branches includes one or more second maintenance branches 2012 . The second set of second maintenance branches includes one or more second maintenance branches 2012 . Referring to Figures 9 and 11, when the first group of second maintenance branches includes a plurality of second maintenance branches 2012, the plurality of second maintenance branches 2012 of the first group of second maintenance branches are spaced apart along the first direction. Arrange settings. When the second group of second maintenance branches includes a plurality of second maintenance branches 2012, the plurality of second maintenance branches 2012 of the second group of second maintenance branches are arranged at intervals along the first direction. In this way, the maintenance device 200 has a compact structure and takes up little space. In an exemplary embodiment, the first group of second maintenance branches and the second group of second maintenance branches are symmetrically arranged.

Referring to FIGS. 9 and 11 , in an exemplary embodiment, the first set of second maintenance branches includes nine second maintenance branches 2012 . The second group of second maintenance branches includes 9 second maintenance branches 2012 .

In an exemplary embodiment, the first direction is as shown in the X direction in FIG. 9 . The vertical direction is shown as the Z direction in Figure 9.

Before using the maintenance device 200 to replace the components to be replaced in the liquid cooling system 100, the maintenance unit 201 needs to be evacuated and filled through the liquid replenishing unit 202 and the liquid filling pipeline 2014 to ensure that air is not mixed during the maintenance process and affects the allowable performance of the system. reliability. Referring to FIGS. 10 and 11 , in some embodiments, the maintenance device 200 further includes a fluid replenishing unit 202 and a control unit 203 . The fluid replenishment unit 202 is used to vacuum and replenish fluid for the maintenance unit 201 and replacement parts. Control unit 203 It is connected with the fluid replenishment unit 202 via signals and is used to control the operation of the fluid replenishment unit 202 . Through the fluid replenishment unit 202 and the control unit 203, functions such as vacuuming and fluid replenishment of required pipelines can be realized, with a high degree of automation.

Referring to FIGS. 8 and 9 , in some embodiments, the fluid replenishment unit 202 includes a fluid storage container 2021 , a vacuum pump 2022 and a monitoring module 2023 . The monitoring module 2023 is connected to the vacuum pump 2022. The monitoring module 2023 is connected with the control unit 203 via signals and is used to monitor fluid replenishment parameters. In an exemplary embodiment, the vacuum pump 2022 can be detachably connected to the maintenance filling port of the liquid filling pipeline 2014 to achieve vacuuming and filling of the maintenance unit 201 .

Referring to Figures 8 and 10, in some embodiments, the monitoring module 2023 includes a pressure gauge 20231 and a weighing gauge 20232. The pressure gauge 20231 is connected to the vacuum pump 2022, and is used to monitor the pressure and control the liquid storage container 2021 to perform liquid replenishment operations. The weighing scale 20232 is used to monitor the weight change of the liquid storage container 2021 to determine the amount of liquid replenishment.

Referring to Figure 12, in some embodiments, the vacuum pump 2022 is used to evacuate, and when used, is connected to the assembly interface 2026 of the pressure gauge 20231 through a refrigerant pipeline. The pressure gauge 20231 is provided with a pressure display disk 2026 for monitoring pressure. The pressure gauge 20231 is provided with a control switch 2027 for shutting off or opening the refrigerant charging pipeline. In an exemplary embodiment, control switch 2027 includes a knob.

In an exemplary embodiment, pressure gauge 20231 includes a fluorine gauge.

Referring to FIG. 8 , in some embodiments, the rehydration unit 202 further includes a heating element 2024 . The heating element 2024 is connected with the control unit 203 via signals and is used to heat the liquid in the liquid storage container 2021 . It can be understood that the liquid storage container 2021 is provided with a temperature sensor (not shown) for controlling the heating temperature to ensure safety. In an exemplary embodiment, heating element 2024 includes silicone heating tape.

Referring to Figures 8 and 13, the liquid storage container 2021 is used to contain the working medium. In an exemplary embodiment, the liquid storage container 2021 needs to be installed upside down on the carrying trolley 204 to ensure that liquid flows out during fluid replenishment and to speed up the fluid replenishment. In an exemplary embodiment, the connecting portion 20212 of the liquid storage container 2021 is detachably connected to the carrying trolley 204, and the liquid outlet interface 20211 of the liquid storage container 2021 is installed facing downward.

Referring to FIGS. 8 and 9 , in an exemplary embodiment, the control unit 203 includes a controller 2031 and a display screen 2032 . The vacuum pump 2022, heating element 2024, display screen 2032 and weighing scale 20232 are signally connected to the controller 2031 through signal lines or power lines. The display screen 2032 is used to adjust monitoring-related modules (such as starting and stopping the vacuum pump 2022, starting and stopping the heating element 2024 and temperature control, monitoring the amount of liquid replenishment or reading the value of the weighing meter 20232, etc.).

It can be understood that the user can input corresponding control signals through the display screen 2032 to control the start and stop of the vacuum pump 2022, the start and stop of the heating element 2024, and the temperature.

In an exemplary embodiment, the maintenance device 200 is also provided with a fluid replenishment switch to control the fluid replenishment operation of the fluid replenishment unit 202 on the maintenance unit 201 or replacement components. The fluid replenishment switch can be a manual switch or an automatic switch, and is not limited here.

Referring to FIGS. 8 and 9 , in some embodiments, the maintenance device 200 further includes a carrying trolley 204 . The maintenance unit 201 is provided on the carrying trolley 204 . The maintenance unit 201 is arranged on the carrying trolley 204 to facilitate the use of the maintenance unit 201 to maintain the liquid cooling system 100 .

In an exemplary embodiment, the maintenance unit 201, the fluid replenishing unit 202, the control unit 203 and the heating element 2024 are all integrated on the same carrying trolley 204, which improves the convenience of use of the maintenance device 200.

The present disclosure also provides a liquid cooling system kit, including a liquid cooling system 100 and a maintenance device 200 . The maintenance device 200 is used to maintain the liquid cooling system 100 . The liquid cooling system 100 is the liquid cooling system 100 of any of the above embodiments, and/or the maintenance device 200 is the maintenance device 200 of any of the above embodiments.

The present disclosure also provides a maintenance method for the liquid cooling system 100 . Referring to FIGS. 1 and 8 , the liquid cooling system 100 includes a liquid cooling source 10 , a cold plate 20 and a liquid cooling pipeline assembly 30 . The maintenance method includes: replacing the component to be replaced of the liquid cooling pipeline assembly 30 with a replacement component, and installing at least part of the maintenance after removing one end of the component to be replaced and before installing the replacement component. The device 200 enables the liquid cooling source 10 and the cold plate 20 to form a circulation loop.

In the maintenance method of the above embodiment, by installing at least part of the maintenance device 200 after removing one end of the component to be replaced and before installing the replacement component, so that the liquid cooling source 10 and the cold plate 20 form a circulation loop, the component to be replaced can be quickly replaced. , reduce the liquid outage time of the cold plate 20, realize on-site maintenance of the parts to be replaced without the equipment shutting down, reduce the risk of equipment failure and shutdown, reduce communication accidents caused by equipment shutdown; and improve the user experience and improve Product reliability and competitiveness.

In an exemplary embodiment, the replacement component directly replaces the component to be replaced, and the fluid cut-off time of the cold plate is T1. Use the maintenance method of the above embodiment to replace the parts to be replaced. The fluid cut-off time of the cold plate is T2, 0≤T2≤0.5T1.

In an exemplary embodiment, the liquid cooling system 100 includes the liquid cooling system 100 of any of the above embodiments. The maintenance device 200 includes the maintenance device 200 of any of the above embodiments.

In some embodiments, the component to be replaced of the liquid cooling pipeline assembly 30 is replaced with a replacement component, and after removing one end of the component to be replaced and before installing the replacement component, at least part of the maintenance device 200 is installed so that the liquid cooling source 10 and The cold plate 20 forms a circulation loop, which includes: detaching the first end of the pipeline to be removed of the liquid cooling pipeline assembly 30 from the cold plate 20, and the pipeline to be removed includes the parts to be replaced of the liquid cooling pipeline assembly 30; and at least Part of the maintenance device 200 is connected to the cold plate 20; the second end of the pipeline to be removed is detached from the remaining pipelines of the liquid cooling pipeline assembly 30; one end of the replacement component is connected to the remaining pipelines; and detached from the cold plate 20 Maintenance device 200; connect the other end of the replacement component to the cold plate 20.

Compared with directly replacing the parts to be replaced with replacement parts, the maintenance method of the liquid cooling system 100 of this embodiment can reduce the liquid outage time of the cold plate 20, reduce the risk of over-temperature, and enable maintenance of the parts to be replaced without shutting down the equipment. On-site maintenance.

In some embodiments, the pipeline to be removed is a component to be replaced. The components to be replaced include the first three-stage branch 35 or the second three-stage branch 38 of the liquid cooling pipeline assembly 30 . At least part of the maintenance device 200 is the first maintenance branch 2011 of the maintenance device 200 .

In some embodiments, the liquid cooling system 100 includes a first liquid distributor 34 and a second liquid distributor 37. The first liquid distributor 34 is provided with a first maintenance interface 312, and the second liquid distributor 37 is provided with a first maintenance interface 312. 2. Maintenance interface 313. The maintenance method also includes: removing the first maintenance branch 2011 from the maintenance device 200; and connecting the first maintenance branch 2011 to the first maintenance interface 312 or the second maintenance interface 313.

Referring to FIGS. 1 and 8 , in some embodiments, when the first three-level branch 35 of the liquid cooling pipeline assembly 30 fails or is damaged, the component to be replaced is the first three-level branch 35 . The maintenance method of the first three-level branch 35 includes: removing the first maintenance branch 2011 from the maintenance unit 201 of the maintenance device 200; connecting one end of the first maintenance branch 2011 to the first maintenance interface 312; The first end of the first three-level branch 35 is detached from the first cold plate 21, and the other end of the first maintenance branch 2011 is quickly connected to the first cold plate 21; Detach the two ends from the first liquid distributor 34; connect one end of the replacement component (the spare first three-stage branch 35) to the first liquid distributor 34; detach the first liquid distributor from the first cold plate 21. Maintain the branch circuit 2011, and quickly connect the other end of the replacement component to the first cold plate 21, thereby completing the replacement of the failed first and third-level branch circuit 35. This maintenance method can reduce the fluid outage time of the first cold plate 21, reduce the risk of over-temperature, and enable on-site maintenance or replacement of the failed first and third-level branches 35 without shutting down the equipment. In an exemplary embodiment, the maintenance method of the first three-level branch 35 further includes: removing the first maintenance branch 2011 from the first maintenance interface 312; reinstalling the first maintenance branch 2011 on the maintenance unit 201. corresponding location.

Referring to FIGS. 1 and 8 , in some embodiments, when the second third-level branch 38 of the liquid cooling pipeline assembly 30 fails or is damaged, the component to be replaced is the second third-level branch 38 . The maintenance method of the second third-level branch 38 includes: removing the first maintenance branch 2011 from the maintenance unit 201 of the maintenance device 200; connecting one end of the first maintenance branch 2011 to the second maintenance interface 313; The first end of the second third-level branch 38 is detached from the second cold plate 22, and the other end of the first maintenance branch 2011 is quickly connected to the second cold plate 22; Detach the two ends from the second liquid distributor 37; connect one end of the replacement component (the spare second third-level branch 38) to the second liquid distributor 37; detach the first liquid distributor from the second cold plate 22. Maintain branch 2011 and quickly connect the other end of the replacement component to the second cold plate 22 to complete the failed second and third-level branch. 38 replacement. This maintenance method can reduce the fluid outage time of the second cold plate 22, reduce the risk of over-temperature, and enable on-site maintenance or replacement of the failed second and third-level branches 38 without shutting down the equipment. In an exemplary embodiment, the maintenance method of the second three-level branch 38 further includes: removing the first maintenance branch 2011 from the second maintenance interface 313; reinstalling the first maintenance branch 2011 on the maintenance unit 201. corresponding location.

In some embodiments, the liquid cooling pipeline assembly 30 includes a main pipeline 32 , a backup pipeline 314 , a first three-level branch 35 and a second three-level branch 38 . The main pipeline 32 is provided with a main pipeline switch 321 and a main pipeline quick-release joint 322. The backup pipeline 314 is provided with a backup pipeline quick release joint 3142. The maintenance device 200 includes a maintenance unit 201, a fluid replenishing unit 202 and a control unit 203. Replace the component to be replaced of the liquid cooling pipeline assembly 30 with a replacement component, and install at least part of the maintenance device 200 after removing one end of the component to be replaced and before installing the replacement component so that the liquid cooling source 10 and the cold plate 20 form a circulation loop. , including: controlling the rehydration unit 202 through the control unit 203 to vacuum and replenish the maintenance unit 201 and replacement parts; connecting the second maintenance branch 2012 of the maintenance unit 201 to the backup pipeline quick-release joint 3142; connecting the first and third levels The branch 35 and the second and third-level branches 38 are respectively detached from the cold plate 20, and the third maintenance branch 2013 of the maintenance unit 201 is connected to the cold plate 20, and the main pipeline switch 321 is closed; The connected connecting parts are detached from the parts to be replaced; the connecting parts are connected to the replacement parts, and the main pipeline switch 321 is turned on; the first three-level branch 35 and the second three-level branch 38 are reconnected to the cold plate 20 respectively. , detach the spare pipeline quick-release joint 3142.

Compared with directly replacing the parts to be replaced with replacement parts, the maintenance method of the liquid cooling system 100 of this embodiment can reduce the liquid outage time of the cold plate 20, reduce the risk of over-temperature, and enable maintenance of the parts to be replaced without shutting down the equipment. On-site maintenance.

In some embodiments, a backup pipeline switch 3141 is provided on the backup pipeline 314 . The backup pipeline 314 is provided with a backup pipeline switch 3141. Connecting the second maintenance branch 2012 of the maintenance unit 201 to the backup pipeline quick-release joint 3142 includes: connecting the second maintenance branch 2012 of the maintenance unit 201 to the backup pipeline. Connect the quick release joint 3142 and turn on the backup pipeline switch 3141. Reconnect each first and third-level branch 35 and each second and third-level branch 38 to the cold plate 20, and detach the spare pipeline quick-release joint 3142, including: connecting each first and third-level branch 35 and each second The third-level branch 38 is reconnected to the cold plate 20, the backup pipeline switch 3141 is turned off, and the backup pipeline quick-release joint 3142 is detached.

In some embodiments, the maintenance method further includes: recovering working fluid and depressurizing the connecting components and/or the maintenance unit 201 . Understandably, the working fluid can be recycled to the recovery device. In an exemplary embodiment, the recovery device can be integrated into the maintenance trolley to facilitate recovery of working fluid when replacing components to be replaced. It can be understood that after the replacement of the components to be replaced is completed, the maintenance unit 201 can also recover the working fluid.

In some embodiments, the component to be replaced includes the first distributor 34 of the liquid-cooling pipeline assembly 30, and the connecting components include the main pipeline 33, the secondary branch 36, and the first tertiary branch of the liquid-cooling pipeline assembly 30. 35.

Referring to FIGS. 1 , 8 and 11 , in an exemplary embodiment, when the first liquid distributor 34 of the liquid cooling pipeline assembly 30 fails or is damaged, the component to be replaced is the first liquid distributor 34 . The maintenance method of the first liquid dispenser 34 includes: pushing the maintenance trolley of the maintenance device 200 in front of the liquid cooling system 100, and completing the vacuuming and vacuuming of the maintenance unit 201 and replacement parts (the spare first liquid dispenser 34) in advance through the touch screen. Liquid replenishment operation; connect the second maintenance branch 2012 to the backup pipeline quick-release joint 3142, and turn on the backup pipeline switch 3141; detach the first and third-level branches 35 from the first cold plate 21, and connect the second and third-level branches 35 to the first cold plate 21. The stage branch 38 is detached from the second cold plate 22, and the third maintenance branch 2013 is connected to the first cold plate 21 and the second cold plate 22. At this time, the first cold plate 21 and the second cold plate 22 have A circulation loop is formed through the maintenance unit 201, the backup pipeline 314, and the liquid cooling source 10, and the main pipeline switch 321 is closed; the main pipeline 33, the first third-level branch 35, and the second-level branch are detached from the first liquid distributor 34. Branch 36, and complete the working fluid recovery and pressure relief of the main pipeline 33, the first and third-level branches 35 and the secondary branch 36 through the liquid injection pipeline 2014; connect the main pipeline 33, the first and third-level branches 35 and The secondary branches 36 are connected to the replacement components respectively, and the main pipeline switch 321 is turned on; the first three-level branch 35 is reconnected to the first cold plate 21, and the second three-level branch 38 is reconnected to the second cold plate. Board 22, turn off the backup pipeline switch 3141, and detach the backup pipeline quick-release joint 3142, thereby completing the replacement of the first dispenser 34. In an exemplary embodiment, the working fluid in the main pipeline 33 , the first tertiary branch 35 and the secondary branch 36 is recovered to the recovery device through the liquid injection pipeline 2014 .

Please refer to Figure 1, Figure 8 and Figure 11. In some embodiments, when the second liquid distributor 37 of the liquid cooling pipeline assembly 30 fails, When it fails or is damaged, the component to be replaced is the second dispenser 37. The connecting components include the second tertiary branch 38 and the first dispenser 34 . In an exemplary embodiment, the maintenance method of the secondary branch 36 includes: pushing the maintenance trolley of the maintenance device 200 in front of the liquid cooling system 100, and completing the maintenance unit 201 and replacement parts (spare second liquid dispensing) in advance through the touch screen. vacuuming and rehydration operations of the device 37); connect the second maintenance branch 2012 to the backup pipeline quick-release joint 3142, and open the backup pipeline switch 3141; connect the first three-level branch 35 from the first cold plate 21 Detach, detach the second and third-level branch 38 from the second cold plate 22, and connect the third maintenance branch 2013 to the first cold plate 21 and the second cold plate 22. At this time, the first cold plate 21 , the second cold plate 22 has formed a circulation loop through the maintenance unit 201, the backup pipeline 314, and the liquid cooling source 10. Turn off the main pipeline switch 321; detach the secondary branch 36 and the second branch circuit 36 from the second liquid separator 37. Secondary and third-level branches 38, and complete the working fluid recovery and pressure relief of the second-level branch 36 and the second and third-level branches 38 through the liquid injection pipeline 2014; connect the second-level branch 36 and the second and third-level branches 38 Connect to the replacement parts respectively, turn on the main pipeline switch 321; reconnect the first and third-level branches 35 to the first cold plate 21, reconnect the second and third-level branches 38 to the second cold plate 22, and close the standby Pipe switch 3141, detach the spare pipeline quick-release joint 3142, thereby completing the replacement of the second dispenser 37.

In some embodiments, when the secondary branch 36 of the liquid cooling pipeline assembly 30 fails or is damaged, the component to be replaced is the secondary branch 36 . The connecting components include a first dispenser 34 and a second dispenser 37 . In an exemplary embodiment, the maintenance method of the secondary branch 36 may refer to the maintenance method of the second dispenser 37, which will not be described again.

In some embodiments, the component to be replaced includes the main pipeline 33 of the liquid-cooling pipeline assembly 30, and the connecting component includes the main pipeline 32 of the liquid-cooling pipeline assembly 30 and the first liquid distributor 34.

Referring to FIGS. 1 , 8 and 11 , in an exemplary embodiment, when the main pipeline 33 of the liquid cooling pipeline assembly 30 fails or is damaged, the component to be replaced is the main pipeline 33 . The connection components include the main pipeline 32 and the first dispenser 34 . In an exemplary embodiment, the maintenance method of the main pipeline 33 includes: pushing the maintenance trolley of the maintenance device 200 in front of the liquid cooling system 100, and completing the extraction of the maintenance unit 201 and the replacement parts (the spare main pipeline 33) in advance through the touch screen. Vacuum and fluid replenishment operations; connect the second maintenance branch 2012 to the backup pipeline quick-release joint 3142, and turn on the backup pipeline switch 3141; detach the first three-level branch 35 from the first cold plate 21, and disconnect the second maintenance branch 2012 from the first cold plate 21. The secondary and tertiary branches 38 are detached from the second cold plate 22, and the third maintenance branch 2013 is connected to the first cold plate 21 and the second cold plate 22. At this time, the first cold plate 21 and the second cold plate 22 A circulation loop has been formed through the maintenance unit 201, the backup pipeline 314, and the liquid cooling source 10. Turn off the main pipeline switch 321; detach the main pipeline 32 and the first liquid distributor 34 from the main pipeline 33, and pass The liquid injection pipeline 2014 completes the recovery and pressure relief of the working fluid in the main pipeline 32 and the first dispenser 34; connect the main pipeline 32 and the first dispenser 34 to the replacement parts respectively, and open the main pipeline Switch 321; reconnect the first and third-level branches 35 to the first cold plate 21, reconnect the second and third-level branches 38 to the second cold plate 22, close the backup pipeline switch 3141, and quickly disconnect the backup pipeline. Disassemble the joint 3142 to complete the replacement of the main pipe 33.

In some embodiments, the component to be replaced of the liquid cooling pipeline assembly 30 is replaced with a replacement component, and after removing one end of the component to be replaced and before installing the replacement component, at least part of the maintenance device 200 is installed so that the liquid cooling source 10 and The cold plate 20 forms a circulation loop, including: controlling the rehydration unit 202 through the control unit 203 to vacuum and replenish the maintenance unit 201 and replacement parts; connecting the maintenance unit 201 to the third maintenance interface 315 on the first dispenser 34 respectively. and the third maintenance interface 315 on the second dispenser 37; detach the second third-level branch 38 from the cold plate 20, and connect the maintenance unit 201 to the cold plate 20; connect the connecting parts to the parts to be replaced. Detach from the component to be replaced; connect the connecting component to the replacement component; detach the maintenance unit 201 from the cold plate 20 and reconnect the second third-level branch 38 to the second cold plate 22; connect the maintenance unit 201 from the third The maintenance interface 315 is detached.

Since the third maintenance interface 315 is provided on the second liquid dispenser 37, when replacing the secondary branch 36 or the second liquid dispenser 37, there is no need to assemble and disassemble the first third-level branch 35 and the first cooling system. plate 21, thereby further accelerating the rapid replacement of the secondary branch 36 or the second liquid dispenser 37, reducing the liquid cut-off time of the first cold plate 21 and the second cold plate 22, and realizing treatment without shutting down the equipment. Replacement parts for on-site maintenance.

In some embodiments, the component to be replaced includes the second dispenser 37 , and the connecting component includes the secondary branch 36 and the second tertiary branch 38 . In some embodiments, the component to be replaced includes the secondary branch 36 , and the connecting component includes the first dispenser 34 and the second dispenser 37 .

Referring to FIGS. 7 and 8 , in an exemplary embodiment, when the secondary branch 36 of the liquid cooling pipeline assembly 30 fails or is damaged, the component to be replaced is the secondary branch 36 . The connecting components include a first dispenser 34 and a second dispenser 37 . The maintenance method of the secondary branch circuit 36 includes: pushing the maintenance trolley of the maintenance device 200 in front of the liquid cooling system 100, and completing the vacuuming and rehydration operations of the maintenance unit 201 and replacement parts (the spare secondary branch circuit 36) in advance through the touch screen. ; Connect the maintenance unit 201 to the third maintenance interface 315 on the first liquid dispenser 34 and the third maintenance interface 315 on the second liquid dispenser 37 respectively; separate the second third-level branch 38 from the cold plate 20 , and connect the maintenance unit 201 to the second cold plate 22; separate the first liquid distributor 34 and the second liquid distributor 37 from the secondary branch 36 respectively; connect the first liquid distributor 34 and the second liquid distributor The devices 37 are connected to the replacement parts respectively; detach the maintenance unit 201 from the cold plate 20 and reconnect the second three-level branch 38 to the cold plate 20; detach the maintenance unit 201 from the third maintenance interface 315, thereby completing the second step. Replacement of grade pipelines.

The maintenance device, the liquid cooling system and the maintenance method of the liquid cooling system provided by the present invention are designed to quickly replace the parts to be replaced of the liquid cooling pipeline components of the liquid cooling system. The present disclosure provides a maintenance device, a liquid cooling system and a maintenance method of the liquid cooling system. When the pipeline components in the liquid cooling pipeline assembly of the liquid cooling system fail or are damaged, the maintenance components can be replaced by cooperating with the maintenance device. Quick replacement of components (i.e. failed pipeline components) enables on-site maintenance of the components to be replaced without the equipment shutting down, reducing the risk of equipment failure and shutdown, reducing communication accidents caused by equipment shutdown; and improving the user experience , improve product reliability and competitiveness.

In the description of the present disclosure, it should be noted that, unless otherwise expressly stated and limited, the terms "mounted", "connected", "connected", "mechanically coupled" and "coupled" should be understood in a broad sense, for example, It can be a fixed connection, a detachable connection, or an integral connection. The connection can be mechanical or electrical. It can be a direct connection or an indirect connection through an intermediary. It can be an internal connection between two elements or an interaction between two elements. The mechanical coupling or coupling of two components includes direct coupling and indirect coupling, for example, direct fixed connection, connection through a transmission mechanism, etc. For those of ordinary skill in the art, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances.

In this disclosure, unless otherwise expressly stated and limited, a first feature "on" or "below" a second feature may include the first and second features in direct contact, or may include the first and second features. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the present disclosure. To simplify the present disclosure, the components and arrangements of specific examples are described above. Of course, they are merely examples and are not intended to limit the disclosure. Furthermore, this disclosure may repeat reference numbers and/or reference letters in different examples, such repetition being for purposes of simplicity and clarity and does not by itself indicate a relationship between the various embodiments and/or arrangements discussed. Furthermore, this disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

In the description of the present disclosure, reference to the description of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like is intended to be in connection with the embodiments. Or examples describe specific method steps, features, structures, materials, or characteristics that are included in at least one embodiment or example of the present disclosure. In this disclosure, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific method steps, features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person familiar with the technical field can easily think of various equivalent methods within the technical scope disclosed in the present disclosure. Modifications or substitutions, these modifications or substitutions should be covered by the protection scope of this disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims (24)

1. A maintenance device for maintaining a liquid cooling system. The liquid cooling system includes a liquid cooling source, a cold plate and a liquid cooling pipeline assembly. The liquid cooling pipeline assembly is connected to the cold plate and the liquid cooling source. So that the liquid cooling source and the cold plate form a circulation loop; the maintenance device includes:

   A maintenance unit, configured to replace at least part of the liquid cooling pipeline assembly after removing one end of the component to be replaced and before installing the replacement component so that the liquid cooling source and the cold plate Form a cyclical loop.
2. The maintenance device according to claim 1, wherein the maintenance unit includes:

   The first maintenance branch;

   Second maintenance branch;

   a third maintenance branch connected to the second maintenance branch;

   Liquid injection pipeline, the first maintenance branch, the second maintenance branch and the third maintenance branch are all connected with the liquid injection pipeline; the first maintenance branch and the liquid injection pipeline Removable connection.
3. The maintenance device according to claim 1, wherein the maintenance device further includes:

   a fluid replenishment unit, used for vacuuming and rehydrating the maintenance unit and the replacement parts;

   A control unit is signal-connected to the fluid replenishment unit and used to control the operation of the fluid replenishment unit.
4. The maintenance device according to claim 3, wherein the fluid replenishment unit includes:

   liquid storage container;

   vacuum pump;

   A monitoring module is connected to the vacuum pump and signally connected to the control unit for monitoring fluid replenishment parameters.
5. The maintenance device according to claim 4, wherein the monitoring module includes:

   A pressure gauge, connected to the vacuum pump, used to monitor pressure and control the liquid storage container to perform rehydration operations;

   A weighing scale is used to monitor the weight change of the liquid storage container.
6. The maintenance device according to claim 4, wherein the fluid replenishment unit further includes:

   A heating element is signal-connected to the control unit and used to heat the liquid in the liquid storage container.
7. The maintenance device according to claim 1, wherein the maintenance device further includes:

   Carrying trolley, the maintenance unit is arranged on the carrying trolley.
8. A liquid cooling system including:

   liquid cooling source;

   cold plate;

   a liquid cooling pipeline assembly, the liquid cooling pipeline assembly is connected to the cold plate and the liquid cooling source so that the liquid cooling source and the cold plate form a circulation loop;

   Wherein, the liquid cooling pipeline assembly is provided with a maintenance assembly, and the maintenance assembly cooperates with the maintenance device according to any one of claims 1 to 7 to replace the parts to be replaced of the liquid cooling pipeline assembly.
9. The liquid cooling system of claim 8, wherein the maintenance component includes:

   A quick-release joint detachably connected between adjacent pipeline components in the liquid cooling pipeline assembly and detachably connected between the cold plate and the liquid cooling pipeline assembly.
10. The liquid cooling system according to claim 8, wherein the liquid cooling system includes a first cold plate, and the liquid cooling pipeline assembly includes a main pipeline, a main pipeline, a first liquid distributor and a third liquid cooling pipe, which are connected in sequence. A third-level branch, the main pipeline and all The liquid cooling source is connected, the first three-level branch is connected to the first cold plate, the maintenance component includes a first maintenance interface for connecting to a maintenance device, the first maintenance interface is located on the on the first dispenser.
11. The liquid cooling system according to claim 8, wherein the liquid cooling system includes a second cold plate, and the liquid cooling pipeline assembly includes a main pipeline, a main pipeline, a first liquid distributor, and two connected in sequence. A first-level branch, a second liquid distributor and a second third-level branch, the main pipeline is connected to the liquid cooling source, the second third-level branch is connected to the second cold plate, and the The maintenance assembly includes a second maintenance interface for connecting with a maintenance device, and the second maintenance interface is provided on the second dispenser.
12. The liquid cooling system according to claim 8, wherein the liquid cooling system includes a second cold plate, and the liquid cooling pipeline assembly includes a main pipeline, a main pipeline, a first liquid distributor, and two connected in sequence. A first-level branch, a second liquid distributor and a second third-level branch, the main pipeline is connected to the liquid cooling source, the second third-level branch is connected to the second cold plate, and the The maintenance assembly includes a third maintenance interface provided on the first dispenser, and the third maintenance interface is used to connect with a maintenance device to maintain the secondary branch and/or the second dispenser.
13. The liquid cooling system according to claim 8, wherein a main pipeline switch and a main pipeline quick-release joint are provided on the main pipeline of the liquid cooling pipeline assembly, and the maintenance assembly further includes:

    A backup pipeline is connected to the liquid cooling source. The backup pipeline is provided with a backup pipeline switch and a backup pipeline quick-release joint for connecting to the maintenance device.
14. A liquid cooling system kit including:

    liquid cooling systems; and

    Maintenance device for the liquid cooling system; wherein the liquid cooling system is the liquid cooling system according to any one of claims 8-13, and/or the maintenance device is any one of claims 1-7 Maintenance device as described in the item.
15. A maintenance method for a liquid cooling system. The liquid cooling system includes a liquid cooling source, a cold plate and a liquid cooling pipeline assembly. The maintenance method includes:

    Use replacement parts to replace the parts to be replaced of the liquid cooling pipeline assembly, and after removing one end of the parts to be replaced and before installing the replacement parts, install at least part of the maintenance device to keep the liquid cooling source and all The cold plate forms a circulation loop, and the maintenance device is the maintenance device according to any one of claims 1-7.
16. The maintenance method according to claim 15, wherein said replacing the component to be replaced of the liquid cooling pipeline assembly with a replacement component, and after removing one end of the component to be replaced and before installing the replacement component Install at least part of the maintenance device to form a circulation loop between the liquid cooling source and the cold plate, including:

    Detach the first end of the pipeline to be removed of the liquid cooling pipeline assembly from the cold plate, where the pipeline to be removed includes the component to be replaced of the liquid cooling pipeline assembly;

    Connect at least part of the maintenance device to the cold plate;

    Detach the second end of the pipeline to be removed from the remaining pipelines of the liquid cooling pipeline assembly;

    Connect one end of the replacement component to the remaining pipeline;

    Detaching the maintenance device from the cold plate;

    Connect the other end of the replacement part to the cold plate.
17. The maintenance method according to claim 16, wherein the pipeline to be removed is the component to be replaced, and the component to be replaced includes the first third-level branch or the second third-level branch of the liquid cooling pipeline assembly. branch, at least part of the maintenance device is the first maintenance branch of the maintenance device.
18. The maintenance method according to claim 17, wherein the liquid cooling system includes a first liquid distributor and a second liquid distributor, the first liquid distributor is provided with a first maintenance interface, and the second liquid distributor The liquid container is provided with a second maintenance interface; the maintenance method also includes:

    Remove the first maintenance branch from the maintenance device;

    Connect the first maintenance branch to the first maintenance interface or the second maintenance interface.
19. The maintenance method according to claim 15, wherein the liquid cooling pipeline assembly includes a main pipeline, a backup pipeline, a first three-level branch and a second three-level branch, and the main pipeline is provided with There is a main pipeline switch and a main pipeline quick-release joint. The backup pipeline is provided with a backup pipeline quick-release joint. The maintenance device includes a maintenance unit, a rehydration unit and a control unit; the replacement parts are used to replace all The component to be replaced of the liquid cooling pipeline assembly, and after removing one end of the component to be replaced and before installing the replacement component, install at least part of the maintenance device to form a circulation between the liquid cooling source and the cold plate circuit, including:

    The control unit controls the fluid replenishment unit to perform vacuuming and fluid replenishment for the maintenance unit and replacement parts;

    Connect the second maintenance branch of the maintenance unit to the spare pipeline quick-release joint;

    Detach the first three-level branch and the second three-level branch from the cold plate respectively, connect the third maintenance branch of the maintenance unit to the cold plate, and close the main pipe road switch;

    Detach the connecting component connected to the component to be replaced from the component to be replaced;

    Connect the connecting component to the replacement component and turn on the main pipeline switch;

    Reconnect the first and third-level branches and the second and third-level branches to the cold plate respectively, and detach the spare pipeline quick-release joint.
20. The maintenance method according to claim 19, wherein the component to be replaced includes a first liquid distributor of the liquid cooling pipeline assembly, and the connecting component includes a main pipeline, a secondary pipeline of the liquid cooling pipeline assembly, and a first liquid distributor of the liquid cooling pipeline assembly. branch and the first third-level branch; alternatively, the component to be replaced includes the second-level branch of the liquid-cooling pipeline assembly, and the connecting component includes the first liquid distributor and the first third-level branch of the liquid-cooling pipeline assembly. a second liquid distributor; or, the component to be replaced includes the second liquid distributor of the liquid cooling pipeline assembly, and the connecting component includes the secondary branch, the first and third level of the liquid cooling pipeline assembly. branch circuit and the second and third-level branch circuit; or, the component to be replaced includes the main pipeline of the liquid-cooling pipeline assembly, and the connecting component includes the main pipeline and the first branch pipeline of the liquid-cooling pipeline assembly. liquid container.
21. The maintenance method according to claim 19, wherein the maintenance method further includes:

    Perform working fluid recovery and pressure relief on the connecting components and/or the maintenance unit.
22. The maintenance method according to claim 19, wherein a backup pipeline switch is provided on the backup pipeline, and connecting the second maintenance branch of the maintenance unit to the backup pipeline quick-release joint includes:

    Connect the second maintenance branch of the maintenance unit to the backup pipeline quick-release joint, and open the backup pipeline switch;

    Said reconnecting each of the first and third-level branches and each of the second and third-level branches to the cold plate and detaching the quick-release joint of the spare pipeline includes:

    Reconnect each of the first and third-level branches and each of the second and third-level branches to the cold plate, close the backup pipeline switch, and detach the backup pipeline quick-release joint.
23. The maintenance method according to claim 15, wherein the liquid cooling pipeline assembly includes a first liquid distributor, a secondary branch, a second liquid distributor and a second third branch connected in sequence. The device includes a maintenance unit, a rehydration unit and a control unit; the replacement part is used to replace the part to be replaced of the liquid cooling pipeline assembly, and is installed after removing one end of the part to be replaced and before installing the replacement part. At least part of the maintenance device to form a circulation loop between the liquid cooling source and the cold plate includes:

    The control unit controls the fluid replenishment unit to perform vacuuming and fluid replenishment for the maintenance unit and replacement parts;

    Connect the maintenance unit to the third maintenance interface on the first dispenser and the third maintenance interface on the second dispenser respectively;

    Detach the second and third-level branches from the cold plate, and connect the maintenance unit to the cold plate;

    Detach the connecting component connected to the component to be replaced from the component to be replaced;

    Connect the connecting component to the replacement component;

    Detach the maintenance unit from the cold plate and reconnect the second third-level branch to the second cold plate;

    Detach the maintenance unit from the third maintenance interface.
24. The maintenance method according to claim 23, wherein the component to be replaced includes the second liquid dispenser, the connecting component includes a secondary branch and the second third branch; or, the component to be replaced includes The replacement component includes the secondary branch, and the connecting component includes the first liquid distributor and the second liquid distributor.