WO2024031900A1 - 一种液冷服务器机柜 - Google Patents

一种液冷服务器机柜 Download PDF

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Publication number
WO2024031900A1
WO2024031900A1 PCT/CN2022/138773 CN2022138773W WO2024031900A1 WO 2024031900 A1 WO2024031900 A1 WO 2024031900A1 CN 2022138773 W CN2022138773 W CN 2022138773W WO 2024031900 A1 WO2024031900 A1 WO 2024031900A1
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WO
WIPO (PCT)
Prior art keywords
liquid
server
flow
control valve
supply pipeline
Prior art date
Application number
PCT/CN2022/138773
Other languages
English (en)
French (fr)
Inventor
李金波
Original Assignee
浪潮电子信息产业股份有限公司
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Publication of WO2024031900A1 publication Critical patent/WO2024031900A1/zh

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    • 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
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20763—Liquid cooling without phase change
    • H05K7/20781—Liquid cooling without phase change within cabinets for removing heat from server blades
    • 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
    • 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
    • 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
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20763—Liquid cooling without phase change
    • H05K7/20772—Liquid cooling without phase change within server blades for removing heat from heat source
    • 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
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20836—Thermal management, e.g. server temperature control

Definitions

  • the present application relates to the field of server technology, and in particular to a liquid-cooled server cabinet.
  • liquid cooling is an emerging server refrigeration method.
  • indirect contact liquid cooling uses a liquid cooling cold plate to contact heating components such as the CPU (central processing unit, central processing unit), and the cold plate is connected through connecting pipes. Or set up flow channels to allow coolant to flow in them.
  • the advantage of using this heat exchange method is that the traditional convection heat exchange between air and CPU (fan heat exchange) is changed into the convection heat exchange and heat conduction of coolant-cold plate-CPU, which greatly increases the convection heat transfer coefficient. , which has obvious advantages in cooling the CPU.
  • Existing cold plate liquid-cooled server cabinet products include cabinets and Manifolds (water collectors) arranged on both sides of the rear of the cabinet.
  • Power supply plug-in PDUs Power Distribution Units
  • liquid-cooled server cabinets using the above-mentioned settings cannot achieve precise control of the coolant in real time based on load changes, number of servers, and changes in structure of the servers in the cabinet.
  • resources are wasted or cannot be adapted.
  • the general length of the sub-water collector is approximately 2m with the cabinet, and a single pipe The number of openings and connectors is approximately 42.
  • most connectors and pipelines are usually idle and wasted.
  • liquid-cooled cabinets equipped with this type of water collector can usually only If liquid-cooled servers of the same specifications are configured with different types of liquid-cooled servers, the water volume and pressure loss requirements of the cold plates of different servers will be different, resulting in uneven liquid distribution in the overall water collector, affecting the overall system operation.
  • it is impossible to accurately control the system coolant disconnection causing the coolant to continue to leak from the server leakage point, causing damage to the entire cabinet.
  • the purpose of this application is to provide a liquid-cooled server cabinet that can accurately control the coolant in real time according to the number, structure and load changes of servers, thereby saving resources and reducing costs while ensuring the stable operation of each server.
  • this application provides a liquid-cooled server cabinet, including:
  • the server is located in the cabinet;
  • Liquid collecting tank used to contain coolant
  • the water collector is installed in the cabinet and connected to the server, including:
  • Liquid supply pipeline connected to the liquid inlet of the server, is used to supply coolant into the server;
  • the liquid return pipeline is connected to the liquid outlet of the server and is used for the coolant after heat exchange with the server to return to the liquid collecting tank;
  • the flow detection, control and distribution unit connects the liquid supply pipeline and the liquid collection tank, including:
  • the flow distributor is connected to the header tank and used to distribute the coolant flowing out of the header tank;
  • the flow detection and control valve assembly connects the flow distributor and the liquid supply pipeline to control the flow of coolant entering the liquid supply pipeline.
  • the flow detection and control valve assembly includes:
  • Control valve connecting the flow distributor and the liquid supply pipeline, used to control the flow of coolant entering the liquid supply pipeline
  • the sensor component is located between the control valve and the flow distributor or between the control valve and the liquid supply pipeline, and is used to detect the preset parameters of the coolant;
  • the liquid-cooled server cabinet also includes a server monitoring system.
  • the server monitoring system is located in the cabinet and connected to the sensor assembly and the control valve.
  • the sensor assembly transmits the detected values to the server monitoring system.
  • the server monitoring system transmits control instructions to the control valve, and the control valve After receiving the control command, the coolant flow into the liquid supply pipeline is controlled.
  • the sensor component is one or more of a flow sensor, a temperature sensor, and a pressure sensor.
  • the flow distributor includes a main circuit and several branch circuits.
  • the main circuit connects the liquid collection tank and each branch circuit, and a plurality of flow detection and control valve assemblies are provided on any branch road.
  • the inner diameters of each branch are different.
  • the liquid supply pipeline and the liquid return pipeline are distributed longitudinally, and the liquid supply pipeline and the liquid return pipeline form an integrated structure after being combined;
  • the liquid supply pipeline includes a liquid supply quick connector and several server liquid inlets Quick connectors, liquid supply quick connectors and liquid inlet quick connectors of each server are distributed horizontally.
  • the liquid return pipeline includes liquid return quick connectors and several server liquid outlet quick connectors. Liquid return quick connectors and liquid outlet quick connectors of each server are distributed horizontally.
  • the liquid supply pipeline and the liquid return pipeline are distributed laterally, and the liquid supply pipeline and the liquid return pipeline are combined to form an integrated structure;
  • the liquid supply pipeline includes a liquid supply quick connector and several server liquid inlets Quick connectors, liquid supply quick connectors and liquid inlet quick connectors of each server are distributed horizontally.
  • the liquid return pipeline includes liquid return quick connectors and several server liquid outlet quick connectors. Liquid return quick connectors and liquid outlet quick connectors of each server are distributed horizontally.
  • a water dividing baffle is also included.
  • the water dividing baffle is arranged between the liquid supply pipeline and the liquid return pipeline.
  • the liquid supply pipeline and the liquid return pipeline are connected through the water dividing baffle to form an integrated body. structure.
  • the number of flow detection, control and distribution units is two, and the other flow detection, control and distribution unit of the two flow detection, control and distribution units is connected to the return liquid pipeline and the liquid collecting tank for controlling the outflow of the liquid return pipe. coolant flow rate.
  • it also includes a first liquid separation connection pipe and a second liquid separation connection pipe, and the first liquid separation connection pipe connects the liquid supply pipeline and one of the two flow detection, regulation and distribution units,
  • the second liquid separation connecting pipe connects the liquid return pipeline and the other flow detection, regulation and distribution unit of the two flow detection, regulation and distribution units.
  • the first liquid dispensing connection pipe and the second liquid dispensing connection pipe each include a hose and two liquid dispensing joints, and the two liquid dispensing joints are respectively connected to both ends of the hose.
  • the first liquid dispensing connecting pipe and the second liquid dispensing connecting pipe are both buckled and fixed to the cabinet body through the connecting pipes, and the connecting pipes are buckled and fixed to the side of the cabinet body.
  • the connecting pipe buckle includes several slots, and any slot includes a first slot and a second slot.
  • the first slot is connected to the second slot, and the first liquid dispensing connecting pipe or the second liquid dispensing connecting pipe Press into the second groove through the first groove and fix it in the second groove.
  • any card slot is an L-shaped slot, and the size of the first slot is smaller than the size of the second slot.
  • a sub-water collector is connected in combination with two servers, and the two servers are distributed on both sides of the sub-water collector in the vertical direction.
  • the liquid-cooled server cabinet provided by the embodiment of the present application includes a cabinet, a server, a liquid collection tank, a water collector, and a flow detection, control and distribution unit.
  • the server is located in the cabinet, and the liquid collection tank is located in the cabinet.
  • the liquid collecting tank is used to hold the coolant
  • the branch water collector is installed in the cabinet.
  • the branch water collector is connected to the server.
  • the branch water collector includes a liquid supply pipeline and a liquid return pipeline.
  • the liquid supply pipeline is connected to the inlet of the server.
  • the liquid port and liquid supply pipeline are used to supply coolant into the server.
  • the liquid return pipeline is connected to the liquid outlet of the server.
  • the liquid return pipeline is used to supply the coolant after heat exchange with the server to flow back to the liquid collection tank;
  • flow detection and control The distribution unit is connected to the liquid supply pipeline and the liquid collecting tank.
  • the flow detection and control distribution unit includes a flow distributor and a flow detection and control valve assembly.
  • the flow distributor is connected to the liquid collecting tank.
  • the flow distributor is used to distribute the coolant flowing out of the liquid collecting tank.
  • the flow detection and control valve assembly connects the flow distributor and the liquid supply pipeline, and the flow detection and control valve assembly is used to control the flow of coolant entering the liquid supply pipeline.
  • the coolant in the liquid collecting tank enters the liquid supply pipeline of the sub-water collector after being distributed by the flow distributor of the flow detection and control distribution unit and regulated by the flow detection and control valve assembly.
  • the liquid supply pipeline then supplies the coolant to It enters the server cold plate to realize heat exchange with the server.
  • the coolant after heat exchange flows back to the header tank through the liquid return pipeline, thereby realizing the convection heat exchange and heat conduction of the coolant-server cold plate-CPU to meet the requirements CPU cooling requirements.
  • the liquid-cooled server cabinet provided by the embodiment of the present application has an additional flow detection, control and distribution unit.
  • the flow detection, control and distribution unit includes a flow distributor and a flow detection and control valve assembly.
  • the coolant in the collecting tank is first distributed by the flow distributor, and then enters the liquid supply pipeline of the sub-collector after being regulated by the flow detection and control valve components, so that the coolant flow entering the sub-collector can be accurately detected.
  • the coolant flow entering the water collector can be adjusted in real time according to the cooling needs of the servers. For example, when the number and structure of running servers are reduced, the coolant flow rate can be adjusted in real time according to the cooling needs of the servers. Reduce the coolant flow entering the water collector so that the coolant flow can reasonably adapt to the server, saving resources and reducing costs.
  • a node when a node leaks, it can also block the coolant entering the liquid supply pipeline to ensure that the coolant no longer enters the flow path and prevents the leaked liquid from further overflowing and damaging the server and other servers, which is beneficial to ensuring The safety and stability of the overall operation of the cabinet.
  • Figure 1 is a schematic diagram of the overall structure of a liquid-cooled server cabinet in an embodiment of the present application
  • Figure 2 is a schematic structural diagram of part A in Figure 1 during operation
  • Figure 3 is a front view of the flow detection, regulation and distribution unit in the liquid-cooled server cabinet shown in Figure 1;
  • Figure 4 is a top view of the flow detection, regulation and distribution unit in the liquid-cooled server cabinet shown in Figure 1;
  • FIG. 5 is a simplified schematic diagram of the flow detection, regulation and distribution unit in the liquid-cooled server cabinet shown in Figure 1;
  • Figure 6 is a schematic structural diagram of the first water collector in the liquid-cooled server cabinet shown in Figure 1;
  • Figure 7 is a schematic structural diagram of the second or third type water collector in the liquid-cooled server cabinet shown in Figure 1;
  • Figure 8 is a schematic structural diagram of the first liquid distribution connecting pipe in the liquid-cooled server cabinet shown in Figure 1;
  • Figure 9 is a schematic structural diagram of the connecting pipe buckle in the liquid-cooled server cabinet shown in Figure 1.
  • Figure 1 is a schematic diagram of the overall structure of the liquid-cooled server cabinet in the embodiment of the present application
  • Figure 2 is a schematic structural diagram of part A in Figure 1 during operation
  • Figure 3 is a schematic diagram of the liquid-cooled server cabinet shown in Figure 1
  • Figure 4 is a top view of the flow detection, control and distribution unit in the liquid-cooled server cabinet shown in Figure 1
  • Figure 5 is a simplified schematic diagram of the flow detection, control and distribution unit in the liquid-cooled server cabinet shown in Figure 1
  • Figure 6 is a schematic structural diagram of the first type of water collector in the liquid-cooled server cabinet shown in Figure 1
  • Figure 7 is a schematic structural diagram of the second or third type water collector in the liquid-cooled server cabinet shown in Figure 1
  • Figure 8 is a schematic structural diagram of the first liquid distribution connecting pipe in the liquid-cooled server cabinet shown in Figure 1
  • Figure 9 is a schematic structural diagram of the connecting pipe buckle in the liquid-cooled server cabinet shown in Figure 1.
  • the liquid-cooled server cabinet provided by the embodiment of the present application includes a cabinet 1, a server 2, a liquid collecting tank, a water sub-collector 3 and a flow detection, control and distribution unit 4.
  • the server 2 is located in the cabinet 1, and the liquid collecting tank It can be installed in the cabinet 1 or outside the cabinet 1.
  • the liquid collecting tank is used to contain coolant.
  • the sub-water collector 3 is installed in the cabinet 1.
  • the sub-water collector 3 is connected to the server 2.
  • the sub-water collector 3 includes a liquid supply Pipe 31 and liquid return pipe 32.
  • the liquid supply pipe 31 is connected to the liquid inlet of the server 2.
  • the liquid supply pipe 31 is used to supply cooling liquid into the server 2.
  • the liquid return pipe 32 is connected to the liquid outlet of the server 2.
  • the liquid return pipeline 32 is used to supply the coolant after heat exchange with the server 2 to return to the liquid collection tank;
  • the flow detection, regulation and distribution unit 4 connects the liquid supply pipeline 31 and the liquid collection tank, and the flow detection, regulation and distribution unit 4 includes a flow distributor 41 and the flow detection and control valve assembly 42.
  • the flow distributor 41 is connected to the header tank.
  • the flow distributor 41 is used to distribute the coolant flowing out of the header tank into the flow detection and control valve assembly 42.
  • the flow detection and control valve assembly 42 connects the flow distributor 41 and the liquid supply pipeline 31 , and the flow detection and control valve assembly 42 is used to control the flow of coolant entering the liquid supply pipeline 31 .
  • the coolant in the header tank is distributed by the flow distributor 41 of the flow detection and control distribution unit 4 and regulated by the flow detection and control valve assembly 42, and then enters the liquid supply pipeline 31 of the sub-water collector 3.
  • the liquid supply pipeline 31 then supplies the coolant into the cold plate of server 2 to achieve heat exchange with server 2.
  • the coolant after heat exchange flows back to the liquid collecting tank through the liquid return pipeline 32, thereby realizing the cooling of the coolant-server 2.
  • the liquid-cooled server cabinet Compared with the traditional liquid-cooled server cabinet, the liquid-cooled server cabinet provided in the embodiment of the present application is added with a flow detection, regulation and distribution unit 4.
  • the flow detection, regulation and distribution unit 4 includes a flow distributor 41 and a flow detection and control valve assembly 42. , in this way, the coolant in the header tank is first distributed through the flow distributor 41, and then enters the liquid supply pipeline 31 of the sub-water collector 3 after being regulated by the flow detection and control valve assembly 42, thereby realizing the control of the water entering the sub-collector.
  • the coolant entering the water collector 3 can be adjusted in real time according to the cooling needs of the server 2. For example, when the number and structure of the running servers 2 are reduced, the coolant flow entering the water collector 3 can be reduced, so that the coolant flow can reasonably adapt to the servers 2, thereby saving resources and reducing costs.
  • liquid-cooled server cabinet configured with vertical columnar water collectors 3 on both sides of the cabinet
  • the cabinet cannot accurately control the liquid-cooled servers 2 in the corresponding area, and the coolant will continue to flow from the server. 2
  • the leakage point leaks out and causes damage to the entire cabinet.
  • the coolant entering the liquid supply pipeline 31 can also be blocked to ensure that the coolant no longer enters the flow path and prevents the leaked liquid from further overflowing. , damaging the server 2 is conducive to ensuring the safety and stability of the overall operation of the cabinet.
  • the cabinet 1 of the liquid-cooled server cabinet is a cabinet 1 with a rectangular cross-section.
  • the server 2 is arranged longitudinally in the cabinet 1.
  • a sub-water collector 3 can be combined and connected with the server 2.
  • a unit is formed in which the servers 2 are respectively arranged on both sides of the sub-water collector 3 along the vertical or longitudinal direction.
  • the flow detection and control valve assembly 42 includes a control valve 421 and a sensor assembly, wherein the control valve 421 connects the flow distributor 41 and the liquid supply pipeline 31 , and the control valve 421 is used to control entry into the liquid supply pipeline 31
  • the control valve 421 is a flow control valve; the sensor component is disposed between the control valve 421 and the flow distributor 41 or between the control valve 421 and the liquid supply pipeline 31.
  • the sensor component is used to detect the preset value of the coolant. Parameters, the preset parameters include but are not limited to flow, temperature, pressure, etc.
  • the liquid-cooled server cabinet also includes a server monitoring system.
  • the server monitoring system is located in the cabinet 1 and connected to the sensor assembly and the control valve 421.
  • the server monitoring system is used to monitor the operation of the server 2 in real time.
  • the sensor assembly transmits the detected values to Server monitoring system.
  • the server monitoring system transmits control instructions to the control valve 421. After receiving the control instructions, the control valve 421 controls the flow of coolant entering the liquid supply pipeline 31.
  • the sensor component is one or more of a flow sensor, a temperature sensor and a pressure sensor.
  • the sensor assembly preferably includes a flow sensor, a temperature sensor and a pressure sensor.
  • the flow sensor is disposed between the control valve 421 and the flow distributor 41 or between the control valve 421 and the liquid supply pipeline 31.
  • the flow sensor is To detect the coolant flow rate;
  • the temperature sensor is arranged between the control valve 421 and the flow distributor 41 or between the control valve 421 and the liquid supply pipeline 31;
  • the temperature sensor is used to detect the coolant temperature;
  • the pressure sensor is arranged between the control valve 421 and the flow rate Between the distributor 41 or between the control valve 421 and the liquid supply pipeline 31, a pressure sensor is used to detect the coolant pressure.
  • the server monitoring system can transmit control instructions to the control valve 421 based on the data detected in real time by the flow sensor, temperature sensor and pressure sensor, so that the control valve 421 controls the flow of coolant entering the liquid supply pipeline 31 .
  • the flow distributor 41 includes a main path 411 and several branch paths 412 .
  • the main path 411 connects the liquid collection tank and each branch path 412 .
  • the number of flow detection and control valve assemblies 42 is several. Any branch path 412 A number of flow detection and control valve assemblies 42 are provided on the top, and one of each flow detection and control valve assembly 42 is connected to the liquid supply pipeline 31 .
  • each branch 412 is equipped with a flow detection and control valve assembly 42, and a flow detection and control valve assembly 42 is provided.
  • the valve assembly 42 detects the coolant in the branch 412 and controls the coolant flow in the branch 412 .
  • each branch 412 In addition, in order to further control the coolant flow, the inner diameters of each branch 412 are different. In this way, before the coolant enters each flow detection and control valve assembly 42, the flow is pre-distributed through the branch 412 and then cooled. The liquid then flows through each branch 412 to the flow detection and control valve assembly 42 corresponding to the corresponding branch 412, and is finally distributed into the server 2.
  • one end of the flow distributor 41 is the liquid inlet of the main channel 411, the liquid inlet of the main channel 411 is connected to the liquid collection tank, and the liquid outlet of the main channel 411 is connected to the branch channels 412 or branch channels of different pipe diameters.
  • the flow channel, at the top of the branch 412, is the manifold port.
  • the control valve 421 of the flow detection and control valve assembly 42 is connected to the manifold port at the top of the branch 412, and the flow detection and control valve assembly 42 regulates the coolant flow of the branch 412 in a one-to-one correspondence.
  • the flow detection and control valve assembly 42 is also provided with a flow distribution interface 43 at the top.
  • the flow distribution interface 43 is mainly composed of a quick connector and a connecting pipeline.
  • the connecting pipeline is connected to the control valve 421, and the quick connector is connected to the liquid supply pipeline 31. After connecting, proceed to the liquid inlet passage.
  • the water collector 3 is located on both sides of the rear of the cabinet, and components such as the power supply strip PDU are side by side with the water collector 3 and are located on the rear side of the cabinet, resulting in cabinet 1 having a gap in length and width. Both directions occupy a large space, affecting the width and depth of the cabinet.
  • the water collector 3 is generally suspended on the side of the cabinet. It is necessary to add a specially customized suspension plate to increase the thickness of the overall component.
  • the water collector 3 is composed of pipelines and quick connectors. The overall size is occupied from both sides of the cabinet to the middle. It will interfere with some wider servers 2 or servers 2 that are plugged in and out from the back of the cabinet. The cabinet needs to be widened, which affects the floor space.
  • the water sub-collector 3 is arranged on both sides of the cabinet, and the power supply strip PDU and other components are side by side with the water sub-collector 3, located at the back of the cabinet, for some long servers 2, the ordinary cabinet length is not enough, and the cabinet needs to be deepened. Impact on floor space.
  • the liquid supply pipeline 31 and the liquid return pipeline 32 are integrated into an integrated structure, that is, the liquid supply pipeline 31 and the liquid return pipeline 32 are combined to form the sub-water collector 3 .
  • the water collector 3 is distributed horizontally as a whole.
  • the water collector 3 is a structure used to distribute the coolant into the cold plate of the server 2.
  • the water collector 3 mainly includes a server liquid inlet quick connector 312, a server liquid outlet quick connector 322, and a liquid supply.
  • Quick connector 311, liquid return quick connector 321, exhaust valve, hanging ears and other components During assembly, a group (1 or 2) of sub-water collectors 3 and two upper and lower liquid-cooled servers 2 form a combination, and the connecting pipes of the same combination have the same form.
  • the water collector 3 in the embodiment of the present application has an integrated structure, and a group (1 or 2) of water collectors 3 forms a combination with two upper and lower liquid-cooled servers 2, which can greatly reduce the overall size of the cabinet 1, thereby reducing the floor space of the cabinet.
  • the different power consumption of the chip of the server 2 leads to different cooling liquid requirements, and corresponding to the different number of interfaces of the server 2, there are various structural designs of the water collector 3.
  • the liquid supply pipeline 31 and the return liquid pipeline 32 of the first sub-water collector 3 are distributed longitudinally, and the liquid supply pipeline 31 and the liquid return pipeline are 32 are combined to form an integrated structure;
  • the liquid supply pipeline 31 includes a liquid supply quick connector 311 and a plurality of server liquid inlet quick connectors 312.
  • the liquid supply quick connector 311 and each server liquid inlet quick connector 312 are horizontally distributed, and the liquid return pipeline 32 It includes a liquid return quick connector 321 and a plurality of server liquid outlet quick connectors 322.
  • the liquid return quick connector 321 and each server liquid outlet quick connector 322 are laterally distributed.
  • the size of the liquid supply quick connector 311 or the liquid return quick connector 321 is larger than the size of the server liquid inlet quick connector 312 or the server liquid outlet quick connector 322.
  • the liquid inlet quick connector of each server The joints 312 are evenly distributed in the liquid supply pipeline 31 along the transverse direction, the liquid outlet quick connectors 322 of each server are evenly distributed in the liquid return pipeline 32 along the transverse direction, and the liquid inlet quick connectors 312 of each server and the liquid return pipe on the liquid supply pipeline 31
  • the specifications of the liquid outlet quick connectors 322 of each server on the road 32 are set to be the same.
  • the first type of water collector 3 has a centrally symmetrical structure as a whole.
  • the first type of water collector 3 is suitable for high-density servers 2, and the cold plate structure and specification requirements of the servers 2 are exactly the same, and can be connected to multiple servers 2 for operation at the same time.
  • the liquid supply pipeline 31 and the liquid return pipeline 32 of the second sub-water collector 3 are distributed along the transverse direction, and the liquid supply pipeline 31 and the liquid return pipeline are 32 are combined to form an integrated structure;
  • the liquid supply pipeline 31 includes a liquid supply quick connector 311 and a plurality of server liquid inlet quick connectors 312.
  • the liquid supply quick connector 311 and each server liquid inlet quick connector 312 are horizontally distributed, and the liquid return pipeline 32 It includes a liquid return quick connector 321 and a plurality of server liquid outlet quick connectors 322.
  • the liquid return quick connector 321 and each server liquid outlet quick connector 322 are laterally distributed.
  • the size of the liquid supply quick connector 311 or the liquid return quick connector 321 is larger than the size of the server liquid inlet quick connector 312 or the server liquid outlet quick connector 322.
  • the liquid inlet quick connector of each server The joints 312 are laterally distributed in the liquid supply pipeline 31, and the server liquid outlet quick connectors 322 are laterally distributed in the liquid return pipeline 32, and 2-3 server liquid inlet quick connectors of the same specification can be installed on the liquid supply pipeline 31. 312, 2-3 server liquid outlet quick connectors 322 of the same specifications can be installed on the liquid return pipeline 32.
  • the second type of water collector 3 also includes a water dividing baffle 33.
  • the water dividing baffle 33 is provided between the liquid supply pipeline 31 and the liquid return pipeline 32.
  • the liquid supply pipeline 31 and the liquid return pipeline 32 pass through
  • the water dividing baffle 33 forms an integrated structure after being connected, and the liquid supply pipeline 31 and the liquid return pipeline 32 are not connected.
  • the second sub-water collector 3 has an overall axially symmetrical structure.
  • This second type of water collector 3 is suitable for low density or a small number of servers 2, and the cold plate structure of the servers 2 is exactly the same as the specification requirements, and can be connected to a smaller number of servers 2 for operation at the same time.
  • the third water sub-collector 3 is composed of an axially symmetrical pipeline.
  • the structure of the third sub-water collector 3 is similar to that of the second sub-water collector 3. The difference is that 2-3 server liquid inlet quick connectors 312 of different specifications can be installed on the liquid supply pipeline 31, and on the liquid return pipeline 32 It is possible to set up 2-3 server liquid outlet quick connectors 322 of different specifications.
  • This third type of water collector 3 is suitable for simultaneous liquid supply scenarios for two servers 2 with large differences in power consumption and coolant quantity requirements.
  • Servers 2 have different cold plate structures and specifications, and can be connected to a smaller number of servers 2 for operation at the same time. .
  • the number of flow detection, control and distribution units 4 is two, and the other flow detection, control and distribution unit 4 of the two flow detection, control and distribution units 4 is connected to the liquid return pipeline 32 and the liquid collection tank for control.
  • the coolant flow rate flowing out of the liquid return line 32 is connected to the liquid return pipeline 32 and the liquid collection tank for control.
  • the liquid-cooled server cabinet provided by the embodiment of the present application includes two flow detection, control and distribution units 4.
  • One of the flow detection, control and distribution units 4 is connected to the liquid supply pipeline 31 and the liquid collecting tank for controlling the inflow into the liquid supply pipe.
  • the coolant flow rate of the pipeline 31; another flow detection, control and distribution unit 4 is connected to the return liquid pipeline 32 and the liquid collection tank, and is used to control the coolant flow rate flowing out of the return liquid pipeline 32.
  • a flow detection and control distribution unit 4 is provided at both the liquid inlet and the liquid outlet to realize the detection and regulation of the coolant flow, which can further improve the detection and regulation accuracy of the coolant flow and help ensure the operation of the system. stability and reliability.
  • first liquid separation connection pipe 5 connects the liquid supply pipeline 31 and the flow rate of one of the two flow detection and control distribution units 4.
  • the second liquid separation connecting pipe 6 connects the liquid return pipeline 32 to the other flow detection, regulation and distribution unit 4 of the two flow detection, regulation and distribution units 4 .
  • the coolant in the header tank successively passes through the flow detection and control distribution unit 4 and the first liquid distribution connecting pipe 5 on one side, then enters the liquid supply pipeline 31 of the branch water collector 3, and then enters the server 2 for heating.
  • the heat-exchanged coolant flows into the return pipe 32 of the water collector 3, and successively flows back to the liquid collection tank through the second liquid distribution connecting pipe 6 and the flow detection and control distribution unit 4 on the other side, thereby Implement cooling cycle.
  • the first liquid dispensing connection pipe 5 and the second liquid dispensing connection pipe 6 each include a hose 51 and two liquid dispensing joints 52 , and the two liquid dispensing joints 52 are respectively connected to both ends of the hose 51 .
  • the material of the hose 51 can be rubber or stainless steel mesh + rubber. Both ends of the hose 51 are liquid dispensing joints 52 (quick connectors), which are respectively connected to the flow distribution interface 43 of the flow detection, control and distribution unit 4 It is connected with the liquid supply quick connector 311 or the liquid return quick connector 321 of the water collector 3, thereby realizing the connection of the cooling liquid supply circuit.
  • liquid dispensing joints 52 quick connectors
  • first liquid dispensing connecting pipe 5 and the second liquid dispensing connecting pipe 6 are both fixed to the cabinet 1 through connecting pipe buckles 7 , and the connecting pipe buckles 7 are fixed to the side of the cabinet 1 .
  • the connecting pipe buckle 7 includes several slots 71 , and any slot 71 includes a first slot 711 and a second slot 712 .
  • the first slot 711 communicates with the second slot 712 , and the first liquid dispensing connecting pipe 5 or the second liquid separation connecting pipe 6 is pressed into the second groove 712 through the first groove 711 and fixed to the second groove 712.
  • the size of the first groove 711 is smaller than the size of the second groove 712 .
  • the connecting pipe buckle 7 can be a structure formed by splicing multiple metal block structures.
  • Each metal block structure has a clamping slot 71, and the clamping slot 71 is an L-shaped channel.
  • Liquid separation connecting pipes of different diameters can be connected to each other.
  • the first groove 711 on one side of the L-shaped channel is deformed by pressure and then pressed into the second groove 712.
  • At least part of the second groove 712 has a circular structure. After entering the circular middle area of the second groove 712, the liquid is separated.
  • the connecting tube recovers its shape and is naturally clamped and fixed in the middle circular area of the second groove 712 .
  • Server 2 power consumption adjustment working condition flow control Assume that when the power of one or several servers 2 is reduced or shut down, the temperature of the corresponding server 2 chip will gradually decrease before adjustment. At this time, the server monitoring system will The consumption and temperature are transmitted to the flow detection, control and distribution unit 4. After calculation by this unit, the flow of the corresponding branch 412 will be adjusted through the control valve 421 to further decrease or close. At the same time, the total flow of the flow detection, control and distribution unit 4 will decrease accordingly. The system flow rate is reduced, thereby achieving branch 412 drive pump power saving and system energy saving.
  • the liquid-cooled server cabinet provided by the embodiment of the present application can effectively utilize the width and depth space of the cabinet 1 to configure liquid-cooled servers 2 of different sizes, and configure different water collectors 3 according to the structure and quantity of the single-cabinet servers 2;
  • the system can be controlled to achieve accurate detection and control of server 2 coolant, and real-time distribution according to different server 2 liquid cooling coolant needs.
  • Different coolant flow rates especially when a node is shut down or a node fails and leaks occur, the coolant supply of server 2 can be accurately identified and shut down to protect the entire system.
  • liquid-cooled server cabinet you can achieve more flexible layout and operation of liquid-cooled servers; you can support various types of 19-inch liquid-cooled servers in a 600mm wide liquid-cooled cabinet structure; you can effectively reduce water-cooled plate cooling leakage Problems that may later affect the operation of server 2 are eliminated, and the system security is higher; the use of sub-water collector 3 and quick connectors can be reduced, reducing costs.
  • a single cabinet can add or remove 2 server nodes according to the overall size and computing needs, without affecting the entire system.
  • the system can support cold plate servers 2 with different structures, different calorific values and cooling water flow requirements according to needs, which greatly expands the application scenarios and environments of this type of equipment and liquid-cooled servers 2.
  • the liquid-cooled server cabinet provided by embodiments of the present application has improvements in cost, equipment safety, and support for two types of servers, and can effectively promote the development of liquid cooling in data centers.

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

Abstract

本申请公开了一种液冷服务器机柜，涉及服务器技术领域，包括柜体、服务器、集液箱、分集水器和流量检测调控分配单元，集液箱用于盛装冷却液；分集水器包括供液管路和回液管路，供液管路连接服务器的进液口，回液管路连接服务器的出液口；流量检测调控分配单元连接供液管路与集液箱，包括流量分配器和流量检测及控制阀组件，流量分配器连接集液箱，流量分配器用于将集液箱流出的冷却液分配进流量检测及控制阀组件中，流量检测及控制阀组件连接流量分配器与供液管路，用于控制进入供液管路的冷却液流量。上述液冷服务器机柜可以实现对于进入分集水器的冷却液流量的精准检测与调控，使冷却液流量合理适配服务器，实现节约资源，降低成本。

Description

一种液冷服务器机柜
相关申请的交叉引用
本申请要求于2022年08月08日提交中国专利局、申请号202210942488.4、申请名称为“一种液冷服务器机柜”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及服务器技术领域，特别涉及一种液冷服务器机柜。
背景技术
目前，服务器及芯片的冷却方式成为当今研究的一个重要课题。
现有技术中，液冷是一种新兴的服务器制冷方法，其中，间接接触式液冷是利用液冷冷板接触CPU(central processing unit，中央处理器)等发热部件，冷板中通过连接管道或设置流动槽道使冷却液在其中流动。采用该种换热方式，其优点是将传统的空气与CPU的对流换热(风扇换热)变为冷却液-冷板-CPU的对流换热和导热，极大地增大了对流换热系数，对CPU降温具有明显优势。现有冷板液冷服务器机柜产品包括机柜和布置在机柜后部两侧的分集水器Manifold(集水器)，分集水器后侧布置供电插排PDU(Power Distribution Unit，电源分配单元)等部件。然而，采用上述设置方式的液冷服务器机柜，无法实时根据机柜内服务器的负载变化、服务器数量与结构变化实现对于冷却液的精准调控。尤其对于单个机柜布置少量服务器或者布置不同服务器时造成资源浪费或无法适配，具体地，为了满足整个机柜满配服务器连接与供液，分集水器一般长度与机柜近似约2m，单根管路开孔及接头数约为42，然而，当单个液冷机柜不满配服务器时，通常多数接头及管路均处于闲置浪费状态，与此同时，配置该类分集水器的液冷机柜通常只能配置相同规格的液冷服务器，如果配置不同种类液冷服务器，则会由于不同服务器冷板水量需求及压损需求不同，造成整体分集水器分液不均匀，影响整体系统运行。此外，对于单个服务器节点漏液，也无法精确控制系统冷却液断开，导致冷却液会持续从服务器漏液点漏出，对整个机柜造成损坏。
发明内容
本申请的目的是提供一种液冷服务器机柜，能实时根据服务器的数量、结构及其负载变化对冷却液实现精准调控，从而可以在保证各服务器稳定运行的基础上，节约资源，降低成本。
为实现上述目的，本申请提供一种液冷服务器机柜，包括：
柜体；
服务器，设于柜体内；
集液箱，用于盛装冷却液；
分集水器，设于柜体内并连接服务器，包括：
供液管路，连接服务器的进液口，用于将冷却液供入服务器；
回液管路，连接服务器的出液口，用于供与服务器热交换后的冷却液回流至集液箱；
流量检测调控分配单元，连接供液管路与集液箱，包括：
流量分配器，连接集液箱，用于分配集液箱流出的冷却液；
流量检测及控制阀组件，连接流量分配器与供液管路，用于控制进入供液管路的冷却液流量。
在一些实施例中，流量检测及控制阀组件包括：
控制阀，连接流量分配器与供液管路，用于控制进入供液管路的冷却液流量；
传感器组件，设于控制阀与流量分配器之间或控制阀与供液管路之间，用于检测冷却液的预设参数；
液冷服务器机柜还包括服务器监控系统，服务器监控系统设于柜体并连接传感器组件和控制阀，传感器组件将检测到的数值传递至服务器监控系统，服务器监控系统向控制阀传递控制指令，控制阀接收到控制指令后控制进入供液管路的冷却液流量。
在一些实施例中，传感器组件为流量传感器、温度传感器和压力传感器中的一种或几种。
在一些实施例中，流量分配器包括主路和若干支路，主路连接集液箱与各支路，任一支路上设有若干流量检测及控制阀组件。
在一些实施例中，各支路的内径均不同。
在一些实施例中，供液管路与回液管路沿纵向分布，且供液管路与回液管路组合后形成一体式结构；供液管路包括供液快接头和若干服务器进液快接头，供液快接头与各服务器进液快接头沿横向分布，回液管路包括回液快接头和若干服务器出液快接头，回液快接头与各服务器出液快接头沿横向分布。
在一些实施例中，供液管路与回液管路沿横向分布，且供液管路与回液管路组合后形成一体式结构；供液管路包括供液快接头和若干服务器进液快接头，供液快接头与各服务器进 液快接头沿横向分布，回液管路包括回液快接头和若干服务器出液快接头，回液快接头与各服务器出液快接头沿横向分布。
在一些实施例中，还包括分水挡板，分水挡板设于供液管路与回液管路之间，供液管路与回液管路通过分水挡板连接后形成一体式结构。
在一些实施例中，流量检测调控分配单元的数量为两个，两个流量检测调控分配单元中的另一个流量检测调控分配单元连接回液管路与集液箱，用于控制流出回液管路的冷却液流量。
在一些实施例中，还包括第一分液连接管和第二分液连接管，第一分液连接管连接供液管路与两个流量检测调控分配单元中的一个流量检测调控分配单元，第二分液连接管连接回液管路与两个流量检测调控分配单元中的另一个流量检测调控分配单元。
在一些实施例中，第一分液连接管与第二分液连接管均包括软管和两个分液接头，两个分液接头分别连接于软管的两端。
在一些实施例中，第一分液连接管与第二分液连接管均通过连接管卡扣固定于柜体，连接管卡扣固定于柜体的侧面。
在一些实施例中，连接管卡扣包括若干卡槽，任一卡槽包括第一槽和第二槽，第一槽与第二槽连通，第一分液连接管或第二分液连接管经第一槽压入第二槽，并固定于第二槽。
在一些实施例中，任一卡槽为L型槽，且第一槽的尺寸小于第二槽的尺寸。
在一些实施例中，一个分集水器与两个服务器组合连接，且两个服务器分布于分集水器沿竖直方向的两侧。
相对于上述背景技术，本申请实施例所提供的液冷服务器机柜，包括柜体、服务器、集液箱、分集水器和流量检测调控分配单元，其中，服务器设于柜体内，集液箱设于柜体，集液箱用于盛装冷却液，分集水器设于柜体内，分集水器连接服务器，该分集水器包括供液管路和回液管路，供液管路连接服务器的进液口，供液管路用于将冷却液供入服务器，回液管路连接服务器的出液口，回液管路用于供与服务器热交换后的冷却液回流至集液箱；流量检测调控分配单元连接供液管路与集液箱，流量检测调控分配单元包括流量分配器和流量检测及控制阀组件，流量分配器连接集液箱，流量分配器用于将集液箱流出的冷却液分配进流量检测及控制阀组件中，流量检测及控制阀组件连接流量分配器与供液管路，流量检测及控制阀组件用于控制进入供液管路的冷却液流量。这样一来，集液箱内的冷却液经流量检测调控分配单元的流量分配器分配以及流量检测及控制阀组件调控后进入分集水器的供液管路，供 液管路再将冷却液供入服务器冷板中实现与服务器的热交换，热交换后的冷却液再经回液管路回流至集液箱中，以此实现冷却液-服务器冷板-CPU的对流换热和导热，满足CPU的降温需求。相较于传统液冷服务器机柜，本申请实施例所提供的液冷服务器机柜，增设了流量检测调控分配单元，该流量检测调控分配单元包括流量分配器和流量检测及控制阀组件，如此一来，集液箱内的冷却液先经流量分配器分配，再经流量检测及控制阀组件调控后进入分集水器的供液管路，从而可以实现对于进入分集水器的冷却液流量进行精准检测与调控，尤其是在柜体内服务器的数量、结构及其负载发生变化时，可以根据服务器的冷却需求，实时调整进入分集水器的冷却液流量，比如当运行的服务器数量和结构减少时，可降低进入分集水器的冷却液流量，使冷却液流量合理适配服务器，实现节约资源，降低成本。此外，当某个节点出现漏液时，也可以阻断进入供液管路的冷却液，保障冷却液不再进入该流路，防止漏液进一步溢出，损害该服务器及其他服务器，有利于保证机柜整体运行的安全性和稳定性。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本申请实施例中液冷服务器机柜的整体结构示意图；
图2为图1中A部位工作时的结构示意图；
图3为图1所示液冷服务器机柜中流量检测调控分配单元的主视图；
图4为图1所示液冷服务器机柜中流量检测调控分配单元的俯视图；
图5为图1所示液冷服务器机柜中流量检测调控分配单元的简化示意图；
图6为图1所示液冷服务器机柜中第一种分集水器的结构示意图；
图7为图1所示液冷服务器机柜中第二种或第三种分集水器的结构示意图；
图8为图1所示液冷服务器机柜中第一分液连接管的结构示意图；
图9为图1所示液冷服务器机柜中连接管卡扣的结构示意图。
其中：
1-柜体、2-服务器、3-分集水器、4-流量检测调控分配单元、5-第一分液连接管、6-第二分液连接管、7-连接管卡扣；
31-供液管路、32-回液管路、33-分水挡板；
41-流量分配器、42-流量检测及控制阀组件、43-流量分配接口；
51-软管、52-分液接头；
71-卡槽；
311-供液快接头、312-服务器进液快接头；
321-回液快接头、322-服务器出液快接头；
411-主路、412-支路；
421-控制阀；
711-第一槽、712-第二槽。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
为了使本技术领域的技术人员更好地理解本申请方案，下面结合附图和具体实施方式对本申请作进一步的详细说明。
需要说明的是，下文的“上端、下端、左侧、右侧”等方位词都是基于说明书附图所定义的。
请参考图1至图9，图1为本申请实施例中液冷服务器机柜的整体结构示意图；图2为图1中A部位工作时的结构示意图；图3为图1所示液冷服务器机柜中流量检测调控分配单元的主视图；图4为图1所示液冷服务器机柜中流量检测调控分配单元的俯视图；图5为图1所示液冷服务器机柜中流量检测调控分配单元的简化示意图；图6为图1所示液冷服务器机柜中第一种分集水器的结构示意图；图7为图1所示液冷服务器机柜中第二种或第三种分集水器的结构示意图；图8为图1所示液冷服务器机柜中第一分液连接管的结构示意图；图9为图1所示液冷服务器机柜中连接管卡扣的结构示意图。
本申请实施例所提供的液冷服务器机柜，包括柜体1、服务器2、集液箱、分集水器3和流量检测调控分配单元4，其中，服务器2设于柜体1内，集液箱可设于柜体1或设于柜体1外，集液箱用于盛装冷却液，分集水器3设于柜体1内，分集水器3连接服务器2，该分集水器3包括供液管路31和回液管路32，供液管路31连接服务器2的进液口，供液管路31用于将冷却液供入服务器2，回液管路32连接服务器2的出液口，回液管路32用于供与服务器2热交换后 的冷却液回流至集液箱；流量检测调控分配单元4连接供液管路31与集液箱，流量检测调控分配单元4包括流量分配器41和流量检测及控制阀组件42，流量分配器41连接集液箱，流量分配器41用于将集液箱流出的冷却液分配进流量检测及控制阀组件42中，流量检测及控制阀组件42连接流量分配器41与供液管路31，流量检测及控制阀组件42用于控制进入供液管路31的冷却液流量。
这样一来，集液箱内的冷却液经流量检测调控分配单元4的流量分配器41分配以及流量检测及控制阀组件42调控后进入分集水器3的供液管路31，供液管路31再将冷却液供入服务器2的冷板中实现与服务器2的热交换，热交换后的冷却液再经回液管路32回流至集液箱中，以此实现冷却液-服务器2冷板-CPU的对流换热和导热，满足CPU的降温需求。
相较于传统液冷服务器机柜，本申请实施例所提供的液冷服务器机柜，增设了流量检测调控分配单元4，该流量检测调控分配单元4包括流量分配器41和流量检测及控制阀组件42，如此一来，集液箱内的冷却液先经流量分配器41分配，再经流量检测及控制阀组件42调控后进入分集水器3的供液管路31，从而可以实现对于进入分集水器3的冷却液流量进行精准检测与调控，尤其是在柜体1内服务器2的数量、结构及其负载发生变化时，可以根据服务器2的冷却需求，实时调整进入分集水器3的冷却液流量，比如当运行的服务器2数量和结构减少时，可降低进入分集水器3的冷却液流量，使冷却液流量合理适配服务器2，实现节约资源，降低成本。
此外，对于传统配置于机柜两侧竖直柱状分集水器3的液冷机柜，如果液冷服务器2出现漏液，机柜无法对对应区域的液冷服务器2进行精确控制，冷却液会持续从服务器2漏液点漏出，对整个机柜造成损坏。采用本申请实施例提供的液冷服务器机柜，当某个节点出现漏液时，也可以阻断进入供液管路31的冷却液，保障冷却液不再进入该流路，防止漏液进一步溢出，损害该服务器2，有利于保证机柜整体运行的安全性和稳定性。
需要说明的是，液冷服务器机柜的柜体1为横截面为矩形的柜体1，服务器2沿纵向布置于柜体1内，根据实际需要，一个分集水器3可以与服务器2组合连接后形成一个单元，在该单元中，服务器2分别布置于分集水器3沿竖直方向或纵向的两侧。
在一些实施例中，流量检测及控制阀组件42包括控制阀421和传感器组件，其中，控制阀421连接流量分配器41与供液管路31，控制阀421用于控制进入供液管路31的冷却液流量，该控制阀421为流量控制阀；传感器组件设于控制阀421与流量分配器41之间或控制阀421与供液管路31之间，传感器组件用于检测冷却液的预设参数，该预设参数包括但不限于流量、 温度和压力等。
此外，液冷服务器机柜还包括服务器监控系统，服务器监控系统设于柜体1并连接传感器组件和控制阀421，服务器监控系统用于实时监控服务器2的运行，传感器组件将检测到的数值传递至服务器监控系统，服务器监控系统向控制阀421传递控制指令，控制阀421接收到控制指令后控制进入供液管路31的冷却液流量。
其中，传感器组件为流量传感器、温度传感器和压力传感器中的一种或几种。
当然，根据实际需要，传感器组件优选包括流量传感器、温度传感器和压力传感器，其中，流量传感器设于控制阀421与流量分配器41之间或控制阀421与供液管路31之间，流量传感器用于检测冷却液流量；温度传感器设于控制阀421与流量分配器41之间或控制阀421与供液管路31之间，温度传感器用于检测冷却液温度；压力传感器设于控制阀421与流量分配器41之间或控制阀421与供液管路31之间，压力传感器用于检测冷却液压力。
这样一来，服务器监控系统可以根据流量传感器、温度传感器和压力传感器三者实时检测到的数据向控制阀421传递控制指令，从而使控制阀421控制进入供液管路31的冷却液流量。
在一些实施例中，流量分配器41包括主路411和若干支路412，主路411连接集液箱与各支路412，流量检测及控制阀组件42的数量为若干，任一支路412上设有若干流量检测及控制阀组件42，各流量检测及控制阀组件42择一连接供液管路31。
当然，根据实际需要，支路412与流量检测及控制阀组件42也可以一一对应连接，也就是说，各支路412上均设有流量检测及控制阀组件42，且一个流量检测及控制阀组件42对应检测该支路412的冷却液，并控制该支路412的冷却液流量。
此外，为了进一步达到对冷却液流量的控制，各支路412的内径均不同，这样一来，在冷却液进入各个流量检测及控制阀组件42之前，先经支路412预先分配流量，而后冷却液再经各个支路412流至相应支路412对应的流量检测及控制阀组件42中，最后分配进服务器2。
更加具体地说，流量分配器41的一端为主路411的进液口，主路411的进液口与集液箱连接，主路411的出液口连接各个不同管径的支路412或流道，在支路412的顶端为分集液口。流量检测及控制阀组件42的控制阀421与支路412顶端的分集液口连接，流量检测及控制阀组件42一一对应调控该支路412的冷却液流量。此外，流量检测及控制阀组件42的顶端还设有流量分配接口43，流量分配接口43主要由快接头及连接管路组成，连接管路与控制阀421相连，快接头与供液管路31连通后进行进液通路。
需要注意的是，在现有技术的机柜中，分集水器3位于机柜后部两侧，供电插排PDU等部件与分集水器3并排，位于机柜后侧，导致柜体1在长度与宽度方向均占据较大空间，影响机柜宽度与深度尺寸，且分集水器3一般悬挂于机柜侧面，需要增加特殊定制的悬挂板，增加整体部件厚度尺寸，同时分集水器3由管路与快接头组成，整体尺寸由机柜两侧向中间占据，对于部分较宽服务器2或从机柜后侧插拔的服务器2会有干涉，需要加宽机柜，影响占地面积尺寸。
也就是说，由于分集水器3布置于机柜两侧，供电插排PDU等部件与分集水器3并排，位于机柜后侧，对于部分较长的服务器2，普通机柜长度不足，需要加深机柜，影响占地面积。
在本申请实施例中，供液管路31与回液管路32集成为一体式结构，即供液管路31与回液管路32二者组合形成分集水器3。分集水器3整体呈横向分布，分集水器3是用于将冷却液分配进入服务器2冷板的结构，分集水器3主要包括服务器进液快接头312、服务器出液快接头322、供液快接头311、回液快接头321、排气阀、挂耳等部件。组装时，一组(1或2根)分集水器3与上下2台液冷服务器2组成一个组合，相同组合连管形式相同。
与传统分体式结构的分集水器3且分别布设于机柜后部两侧的方式不同，本申请实施例中的分集水器3为一体式结构，且一组(1或2根)分集水器3与上下2台液冷服务器2组成一个组合，这样可以大大减小柜体1的整体尺寸，从而减小机柜的占地面积。
根据服务器2冷板结构不同，服务器2芯片功耗不同导致冷却液需求量不同，对应服务器2接口数量不同等问题，分集水器3存在多种结构设计。
在一些实施例中，作为第一种分集水器3，该第一种分集水器3的供液管路31与回液管路32沿纵向分布，且供液管路31与回液管路32组合后形成一体式结构；供液管路31包括供液快接头311和若干服务器进液快接头312，供液快接头311与各服务器进液快接头312沿横向分布，回液管路32包括回液快接头321和若干服务器出液快接头322，回液快接头321与各服务器出液快接头322沿横向分布。
需要说明的是，在第一种分集水器3中，供液快接头311或回液快接头321的尺寸大于服务器进液快接头312或服务器出液快接头322的尺寸，各服务器进液快接头312沿横向均匀分布于供液管路31，各服务器出液快接头322沿横向均匀分布于回液管路32，且供液管路31上的各服务器进液快接头312以及回液管路32上的各服务器出液快接头322的规格均设置为相同。该第一种分集水器3整体呈中心对称结构。
该第一种分集水器3适用于高密度服务器2，且服务器2的冷板结构与规格需求完全相同，可以同时连接多台以上服务器2运行。
在一些实施例中，作为第二种分集水器3，该第二种分集水器3的供液管路31与回液管路32沿横向分布，且供液管路31与回液管路32组合后形成一体式结构；供液管路31包括供液快接头311和若干服务器进液快接头312，供液快接头311与各服务器进液快接头312沿横向分布，回液管路32包括回液快接头321和若干服务器出液快接头322，回液快接头321与各服务器出液快接头322沿横向分布。
需要说明的是，在第二种分集水器3中，供液快接头311或回液快接头321的尺寸大于服务器进液快接头312或服务器出液快接头322的尺寸，各服务器进液快接头312沿横向分布于供液管路31，各服务器出液快接头322沿横向分布于回液管路32，且供液管路31上可以设置2-3个相同规格的服务器进液快接头312，回液管路32上可以设置2-3个相同规格的服务器出液快接头322。
此外，第二种分集水器3还包括分水挡板33，分水挡板33设于供液管路31与回液管路32之间，供液管路31与回液管路32通过分水挡板33连接后形成一体式结构，供液管路31与回液管路32不连通。该第二种分集水器3整体呈轴对称结构。
该第二种分集水器3适用于低密度或少量服务器2，且服务器2的冷板结构与规格需求完全相同，可以同时连接较少数量服务器2运行。
在一些实施例中，作为第三种分集水器3，该第三种分集水器3由1根轴对称管路组成。第三种分集水器3的结构与第二种分集水器3类似，区别在于：供液管路31上可以设置2-3个不同规格的服务器进液快接头312，回液管路32上可以设置2-3个不同规格的服务器出液快接头322。
该第三种分集水器3适用于功耗与冷却液数量需求差异较大的两台服务器2同时供液场景，服务器2的冷板结构与规格不相同，可以同时连接较少数量服务器2运行。
在一些实施例中，流量检测调控分配单元4的数量为两个，两个流量检测调控分配单元4中的另一个流量检测调控分配单元4连接回液管路32与集液箱，用于控制流出回液管路32的冷却液流量。
换句话说，本申请实施例提供的液冷服务器机柜包括两个流量检测调控分配单元4，其中一个流量检测调控分配单元4连接供液管路31与集液箱，用于控制流入供液管路31的冷却液流量；另一个流量检测调控分配单元4连接回液管路32与集液箱，用于控制流出回液管路 32的冷却液流量。这样一来，通过在进液和出液两处均设置一个流量检测调控分配单元4，以实现冷却液流量检测与调控，从而可以进一步提高冷却液流量的检测与调控精度，有利于保证系统运行的稳定性和可靠性。
在一些实施例中，还包括第一分液连接管5和第二分液连接管6，第一分液连接管5连接供液管路31与两个流量检测调控分配单元4中的一个流量检测调控分配单元4，第二分液连接管6连接回液管路32与两个流量检测调控分配单元4中的另一个流量检测调控分配单元4。
这样一来，集液箱中的冷却液相继经一侧的流量检测调控分配单元4与第一分液连接管5后进入分集水器3的供液管路31，随后进入服务器2中进行热交换，热交换后的冷却液流入分集水器3的回液管路32，并相继经第二分液连接管6与另一侧的流量检测调控分配单元4后流回集液箱中，从而实现冷却循环。
在一些实施例中，第一分液连接管5与第二分液连接管6均包括软管51和两个分液接头52，两个分液接头52分别连接于软管51的两端。
当然，根据实际需要，软管51的材质可以为橡胶或不锈钢编制网+橡胶，软管51的两端为分液接头52(快接头)，分别连接流量检测调控分配单元4的流量分配接口43和分集水器3的供液快接头311或回液快接头321，从而实现冷却液供回路连通。
在一些实施例中，第一分液连接管5与第二分液连接管6均通过连接管卡扣7固定于柜体1，连接管卡扣7固定于柜体1的侧面。
在一些实施例中，连接管卡扣7包括若干卡槽71，任一卡槽71包括第一槽711和第二槽712，第一槽711与第二槽712连通，第一分液连接管5或第二分液连接管6经第一槽711压入第二槽712，并固定于第二槽712。其中，第一槽711的尺寸小于第二槽712的尺寸。
具体地说，连接管卡扣7可为多个金属块结构拼接而成的结构，任一金属块结构上有卡槽71，卡槽71为L型槽道，不同管径的分液连接管由L型槽道一侧的第一槽711受压变形后压入第二槽712，第二槽712的至少部分区域为圆形结构，进入第二槽712的圆形中间区域后，分液连接管恢复形状，并自然卡接固定于第二槽712的中间圆形区域。
这样即可将多个连接管卡扣7固定于机柜侧面，从而保障不同长度的分液连接管得以固定。
下面具体说明本申请实施例提供的液冷服务器机柜的几种不同的运行模式。
(1)、服务器2功耗调整工况流量控制：假设某台或几台服务器2功率降低或关机时，在未调整前对应服务器2芯片温度会逐步降低，此时服务器监控系统会将芯片功耗及温度传导 至流量检测调控分配单元4，该单元进行计算后，对应支路412流量会通过控制阀421进行调节，进一步下降或关闭，同时流量检测调控分配单元4总流量会对应减小，系统流量减小，实现支路412驱动泵功节省和系统节能。
(2)、服务器2更换类型后系统流量控制：柜体1中对单台或多台服务器2进行更换后，由于不同服务器2冷板结构不同，系统阻力不同，流量需求不同，对应流量检测调控分配单元4原有压力分配会出现改变，打乱原有支路412分液布置，此时，服务器监控系统会根据新增服务器2流量与压差需求自动检测与调整控制阀421开度，实现最终流量调整与匹配。
(3)、漏液后告警并实现阀门关闭：如果出现某台服务器2漏液情况，服务器监控系统会通过传感器传输至流量检测调控分配单元4，此时，控制阀421会快速进行关断，保障冷却液不再进入该流路，防止漏液进一步溢出，损害该服务器2。关断后，流量检测调控分配单元4流量会进行降低，保障其余几个支路412内系统流量不变。
综上，本申请实施例提供的液冷服务器机柜可以有效利用柜体1的宽度与深度空间配置不同尺寸液冷服务器2，并且根据单机柜服务器2的结构及数量，配置不同分集水器3；同时对于服务器2芯片负载变化，服务器2数量与结构变化，服务器2漏液等问题，均可以通过系统调控，实现服务器2冷却液精确检测与调控，根据不同服务器2液冷冷却液需求，实时分配不同冷却液流量；尤其是当节点关机或节点故障发生漏液时，服务器2冷却液供应可以被精准识别并关闭，实现保护整个系统的功能。
利用该液冷服务器机柜：可以实现液冷服务器2更加灵活的布置与运行；可以在600mm宽的液冷机柜结构中，支持各种类型19英寸液冷服务器2；可以有效降低水冷板冷却漏液后影响服务器2运行的问题，系统安全性更高；可以减少分集水器3及快接头使用，降低成本。同时，单机柜可根据整体尺寸和计算需求增加或减少服务器2节点，对整机系统无影响。此外，该系统可以根据需求支持不同结构，不同发热量及冷却水流量需求的冷板服务器2，极大地拓展了该种设备及液冷服务器2的应用场景和环境。与现有液冷整机柜产品相比，本申请实施例提供的液冷服务器机柜在成本、设备安全性、支持服务器2种类等方面均有所提高，可以有效促进数据中心液冷的发展。
需要说明的是，在本说明书中，诸如第一和第二之类的关系术语仅仅用来将一个实体与另外几个实体区分开来，而不一定要求或者暗示这些实体之间存在任何这种实际的关系或者顺序。
以上对本申请所提供的液冷服务器机柜进行了详细介绍。本文中应用了具体个例对本申 请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方案及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以对本申请进行若干改进和修饰，这些改进和修饰也落入本申请权利要求的保护范围内。

Claims (20)

  1. 一种液冷服务器机柜，其特征在于，包括：
    柜体；
    服务器，设于所述柜体内；
    集液箱，用于盛装冷却液；
    分集水器，设于所述柜体内并连接所述服务器，包括：
    供液管路，连接所述服务器的进液口，用于将冷却液供入所述服务器；
    回液管路，连接所述服务器的出液口，用于供与所述服务器热交换后的冷却液回流至所述集液箱；
    流量检测调控分配单元，连接所述供液管路与所述集液箱，包括：
    流量分配器，连接所述集液箱，用于分配所述集液箱流出的冷却液；
    流量检测及控制阀组件，连接所述流量分配器与所述供液管路，用于控制进入所述供液管路的冷却液流量。
  2. 如权利要求1所述的液冷服务器机柜，其特征在于，所述流量检测及控制阀组件包括：
    控制阀，连接所述流量分配器与所述供液管路，用于控制进入所述供液管路的冷却液流量；
    传感器组件，设于所述控制阀与所述流量分配器之间或所述控制阀与所述供液管路之间，用于检测冷却液的预设参数；
    所述液冷服务器机柜还包括服务器监控系统，所述服务器监控系统设于所述柜体并连接所述传感器组件和所述控制阀，所述传感器组件将检测到的数值传递至所述服务器监控系统，所述服务器监控系统向所述控制阀传递控制指令，所述控制阀接收到所述控制指令后控制进入所述供液管路的冷却液流量。
  3. 如权利要求2所述的液冷服务器机柜，其特征在于，所述传感器组件为流量传感器、温度传感器和压力传感器中的一种或几种。
  4. 根据权利要求3所述的液冷服务器机柜，其特征在于，所述流量传感器设于控制阀与流量分配器之间，或，所述控制阀与供液管路之间，具体用于检测所述供液管路的冷却液流量；
    所述温度传感器设于所述控制阀与所述流量分配器之间，或，所述控制阀与所述供液管路之间，具体用于检测冷却液温度；
    所述压力传感器设于所述控制阀与所述流量分配器之间，或，所述控制阀与所述供液管路之间，具体用于检测冷却液压力。
  5. 如权利要求1所述的液冷服务器机柜，其特征在于，所述流量分配器包括主路和若干支路，所述主路连接所述集液箱与各所述支路，任一所述支路上设有若干所述流量检测及控制阀组件。
  6. 如权利要求5所述的液冷服务器机柜，其特征在于，各所述支路均设有流量检测及控制阀组件，每一所述支路与所述流量检测及控制阀组件一一对应连接。
  7. 如权利要求6所述的液冷服务器机柜，其特征在于，所述流量检测及控制阀组件，具体用于检测对应的支路的冷却液，并控制所述支路的冷却液流量。
  8. 如权利要求5所述的液冷服务器机柜，其特征在于，各所述支路的内径均不同。
  9. 如权利要求1所述的液冷服务器机柜，其特征在于，所述供液管路与所述回液管路沿纵向分布，且所述供液管路与所述回液管路组合后形成一体式结构；所述供液管路包括供液快接头和若干服务器进液快接头，所述供液快接头与各所述服务器进液快接头沿横向分布，所述回液管路包括回液快接头和若干服务器出液快接头，所述回液快接头与各所述服务器出液快接头沿横向分布。
  10. 如权利要求9所述的液冷服务器机柜，其特征在于，各所述服务器进液快接头沿横向均匀分布于所述供液管路，各所述服务器出液快接头沿横向均匀分布所述于回液管路，且所述供液管路上的各所述服务器进液快接头以及所述回液管路上的各服务器出液快接头的规格均设置为相同。
  11. 如权利要求1所述的液冷服务器机柜，其特征在于，所述供液管路与所述回液管路沿横向分布，且所述供液管路与所述回液管路组合后形成一体式结构；所述供液管路包括供液快接头和若干服务器进液快接头，所述供液快接头与各所述服务器进液快接头沿横向分布，所述回液管路包括回液快接头和若干服务器出液快接头，所述回液快接头与各所述服务器出液快接头沿横向分布。
  12. 如权利要求11所述的液冷服务器机柜，其特征在于，还包括分水挡板，所述分水挡板设于所述供液管路与所述回液管路之间，所述供液管路与所述回液管路通过所述分水挡板连接后形成一体式结构。
  13. 如权利要求1-12任意一项所述的液冷服务器机柜，其特征在于，所述流量检测调控分配单元的数量为两个，两个所述流量检测调控分配单元中的另一个所述流量检测调控分配单元连接所述回液管路与所述集液箱，用于控制流出所述回液管路的冷却液流量。
  14. 如权利要求13所述的液冷服务器机柜，其特征在于，还包括第一分液连接管和第二分液连接管，所述第一分液连接管连接所述供液管路与两个所述流量检测调控分配单元中的一个所述流量检测调控分配单元，所述第二分液连接管连接所述回液管路与两个所述流量检测调控分配单元中的另一个所述流量检测调控分配单元。
  15. 如权利要求14所述的液冷服务器机柜，其特征在于，所述第一分液连接管与所述第二分液连接管均包括软管和两个分液接头，两个所述分液接头分别连接于所述软管的两端。
  16. 如权利要求15所述的液冷服务器机柜，其特征在于，所述软管的两端为所述分液接头，具体用于分别连接流量检测调控分配单元中的流量分配接口和分集水器的供液快接头或回液快接头。
  17. 如权利要求14所述的液冷服务器机柜，其特征在于，所述第一分液连接管与所述第二分液连接管均通过连接管卡扣固定于所述柜体，所述连接管卡扣固定于所述柜体的侧面。
  18. 如权利要求17所述的液冷服务器机柜，其特征在于，所述连接管卡扣包括若干卡槽，任一所述卡槽包括第一槽和第二槽，所述第一槽与所述第二槽连通，所述第一分液连接管或所述第二分液连接管经所述第一槽压入所述第二槽，并固定于所述第二槽。
  19. 如权利要求18所述的液冷服务器机柜，其特征在于，任一所述卡槽为L型槽，且所述第一槽的尺寸小于所述第二槽的尺寸。
  20. 如权利要求1所述的液冷服务器机柜，其特征在于，一个所述分集水器与两个所述服务器组合连接，且两个所述服务器分布于所述分集水器沿竖直方向的两侧。
PCT/CN2022/138773 2022-08-08 2022-12-13 一种液冷服务器机柜 WO2024031900A1 (zh)

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