WO2024011912A1 - Dispositif de maintenance, système de refroidissement par liquide et procédé de maintenance pour système de refroidissement par liquide - Google Patents

Dispositif de maintenance, système de refroidissement par liquide et procédé de maintenance pour système de refroidissement par liquide Download PDF

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Publication number
WO2024011912A1
WO2024011912A1 PCT/CN2023/078099 CN2023078099W WO2024011912A1 WO 2024011912 A1 WO2024011912 A1 WO 2024011912A1 CN 2023078099 W CN2023078099 W CN 2023078099W WO 2024011912 A1 WO2024011912 A1 WO 2024011912A1
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WO
WIPO (PCT)
Prior art keywords
maintenance
liquid cooling
pipeline
liquid
branch
Prior art date
Application number
PCT/CN2023/078099
Other languages
English (en)
Chinese (zh)
Inventor
陶成
刘帆
周晓东
孙元克
范皓龙
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2024011912A1 publication Critical patent/WO2024011912A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20281—Thermal management, e.g. liquid flow control

Definitions

  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • features defined as “first” and “second” may explicitly or implicitly include one or more of the described features.
  • “plurality” means two or more than two, unless otherwise expressly and specifically limited.
  • 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.
  • 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.
  • two-phase high-voltage systems are more difficult to maintain than single-phase systems due to system characteristics, and maintenance design is more difficult.
  • this patent designs a maintenance device, a liquid cooling system and a maintenance method of the liquid cooling system.
  • 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.
  • 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 .
  • 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.
  • the liquid cooling source 10 includes a cooling distribution unit (Cooling Dispensing Unit, CDU).
  • CDU Cooling Dispensing Unit
  • 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.
  • 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 .
  • 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.
  • 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 .
  • 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 .
  • 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.
  • 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
  • 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
  • a second liquid dispenser 37 is provided with a plurality of second third-level branches 38 and a plurality of second cold plates 22 .
  • 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 .
  • 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.
  • 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
  • the second maintenance interface 313 and the fifth connection interface 372 are provided on the same side of the second dispenser 37 .
  • 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.
  • 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 .
  • 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.
  • the number of the fourth connection interface 371 is one.
  • the fifth connection interfaces 372 can be designed in other numbers or combinations according to actual requirements.
  • 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 .
  • 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 .
  • liquid inlet pipeline group 301 and the liquid outlet pipeline group 302 have the same structure.
  • 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.
  • 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.
  • 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.
  • the maintenance device 200 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.
  • the liquid cooling system 100 includes the liquid cooling system 100 of any of the above embodiments.
  • 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.
  • the structure of the maintenance unit 201 is basically similar to the liquid cooling system 100 .
  • 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.
  • 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.
  • 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.
  • 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.
  • the first group of first maintenance branches and the second group of first maintenance branches are respectively connected to one liquid injection pipeline 2014.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 .
  • the plurality of second maintenance branches 2012 of the first group of second maintenance branches are spaced apart along the first direction. Arrange settings.
  • 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.
  • the first group of second maintenance branches and the second group of second maintenance branches are symmetrically arranged.
  • 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 .
  • 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.
  • the maintenance device 200 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.
  • 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.
  • 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.
  • 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 .
  • 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.
  • 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.
  • control switch 2027 includes a knob.
  • pressure gauge 20231 includes a fluorine gauge.
  • 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 .
  • the liquid storage container 2021 is provided with a temperature sensor (not shown) for controlling the heating temperature to ensure safety.
  • heating element 2024 includes silicone heating tape.
  • the liquid storage container 2021 is used to contain the working medium.
  • 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.
  • 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.
  • 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.).
  • 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.
  • 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.
  • 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 .
  • 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 .
  • 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.
  • 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.
  • the replacement component directly replaces the component to be replaced, and the fluid cut-off time of the cold plate is T1.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 .
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 .
  • 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.
  • 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.
  • 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 36 may refer to the maintenance method of the second dispenser 37, which will not be described again.
  • 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.
  • the component to be replaced is the main pipeline 33 .
  • the connection components include the main pipeline 32 and the first dispenser 34 .
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 .
  • 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.
  • 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.
  • the maintenance components can be replaced by cooperating with the maintenance device.
  • Quick replacement of components i.e. failed pipeline components
  • 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.
  • 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.
  • 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

La présente divulgation concerne un dispositif de maintenance, un système de refroidissement par liquide et un procédé de maintenance pour le système de refroidissement par liquide. Le dispositif de maintenance est utilisé pour maintenir le système de refroidissement par liquide. Le système de refroidissement par liquide comprend une source de refroidissement par liquide, une plaque froide et un ensemble pipeline de refroidissement par liquide. L'ensemble pipeline de refroidissement par liquide est relié à la plaque froide et à la source de refroidissement par liquide, de telle sorte que la source de refroidissement par liquide et la plaque froide forment une boucle de circulation. Le dispositif de maintenance comprend une unité de maintenance, qui est utilisée pour : une fois qu'une extrémité d'un composant à remplacer de l'ensemble pipeline de refroidissement par liquide est retirée et avant le montage d'un composant de remplacement, au moins une partie de l'ensemble pipeline de refroidissement par liquide est remplacée, de telle sorte que la source de refroidissement par liquide et la plaque froide forment la boucle de circulation.
PCT/CN2023/078099 2022-07-15 2023-02-24 Dispositif de maintenance, système de refroidissement par liquide et procédé de maintenance pour système de refroidissement par liquide WO2024011912A1 (fr)

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CN202210833720.0 2022-07-15
CN202210833720.0A CN117440646A (zh) 2022-07-15 2022-07-15 维护装置、液冷系统及液冷系统的维护方法

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014228194A (ja) * 2013-05-22 2014-12-08 株式会社Ｎｔｔファシリティーズ 装置冷却システム
CN107072107A (zh) * 2016-12-28 2017-08-18 广东申菱环境系统股份有限公司 一种数据中心液气双通道精准高效致冷系统及其控制方法
WO2021248366A1 (fr) * 2020-06-10 2021-12-16 华为数字能源技术有限公司 Système de dissipation de chaleur, module de batterie et système d'alimentation et de distribution d'énergie
CN215872417U (zh) * 2021-07-13 2022-02-18 成都四威高科技产业园有限公司 一种内外双循环系统的液冷机箱
CN114698334A (zh) * 2020-12-30 2022-07-01 辉达公司 用于数据中心冷却系统中局部冷却回路的智能可替换模块化单元

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014228194A (ja) * 2013-05-22 2014-12-08 株式会社Ｎｔｔファシリティーズ 装置冷却システム
CN107072107A (zh) * 2016-12-28 2017-08-18 广东申菱环境系统股份有限公司 一种数据中心液气双通道精准高效致冷系统及其控制方法
WO2021248366A1 (fr) * 2020-06-10 2021-12-16 华为数字能源技术有限公司 Système de dissipation de chaleur, module de batterie et système d'alimentation et de distribution d'énergie
CN114698334A (zh) * 2020-12-30 2022-07-01 辉达公司 用于数据中心冷却系统中局部冷却回路的智能可替换模块化单元
CN215872417U (zh) * 2021-07-13 2022-02-18 成都四威高科技产业园有限公司 一种内外双循环系统的液冷机箱

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