Looped network cooling device, method for linkage control of looped network cooling device and data center

Abstract

The invention relates to a looped network cooling device, the looped network cooling device is configured to be used for cooling to-be-cooled equipment of a data center at a secondary side of a liquid cooling system of the data center, the looped network cooling device comprises a first looped network serving as a main looped network, the first looped network is divided into a plurality of working sections, and the working sections are arranged on the first looped network. The respective working section is designed to cool a respective device to be cooled, which is associated with the working section, and wherein the looped network cooling device further comprises a second looped network as a backup looped network, the second looped network is designed to continue cooling the respective device to be cooled instead of the fault-affected working section of the first looped network when one or more working sections of the first looped network are affected by a fault, the fault-affected working section of the first looped network being deactivated. The invention also relates to a method for linkage control of the looped network cooling device and a data center.

Description

Technical Field

[0001] The present disclosure relates to the field of cooling technology, and more particularly to a ring network cooling device, a method for linkage control of the ring network cooling device, and a data center. Background Art

[0002] With the rapid development of the Internet, cloud computing and big data, the demand for data centers continues to increase.

[0003] Liquid cooling technology, as an energy-saving technology that is highly compatible with data centers, is leading the development and construction trend of data centers. However, unlike traditional data center cooling technology, the liquid cooling system has a serious "architectural single point" problem in the water supply link when supplying cooling to the terminal cabinets: the water supply link from the secondary ring network -> manifold -> server is a single-line water supply. When a leakage problem occurs at any point in the secondary ring network, manifold, or pipeline from the ring network to the manifold on the cabinet side, the cabinet needs to be isolated from the water path, resulting in an unexpected cooling interruption, which forces the IT business to be interrupted or transferred in advance. For example, the running data needs to be transferred to the server in other cabinets for this purpose, which poses a major challenge to the business continuity of the data center.

[0004] With regard to liquid cooling systems for data centers, various solutions are known from the prior art.

[0005] Chinese patent application CN220798864U discloses a refrigeration system for a data center, which includes a liquid-cooled server; wherein the refrigeration system includes a liquid cooling system and an air cooling system; the liquid cooling system includes a compressor, a first cooler and a plate heat exchanger constituting a refrigerant circulation loop; the plate heat exchanger includes a first branch and a second branch, the first branch is used to circulate refrigerant; the second branch is used to circulate cooling liquid, and the second branch is connected to the liquid cooling plate of the liquid-cooled server; the air cooling system includes a second cooler, a refrigerant driving device, a throttling device and an evaporator constituting a refrigerant circulation loop; the inlet of the second cooler is connected to the outlet of the first branch of the plate heat exchanger.

[0006] Chinese patent application CN118158983A discloses a novel data center liquid cooling system based on phase change fluid, which system includes: a primary side phase change fluid circulation subsystem, a secondary side phase change fluid circulation subsystem and a heat exchange device located between the two; the secondary side phase change fluid circulation subsystem exchanges heat with the server of the data center; the primary side phase change fluid circulation subsystem exchanges heat with the secondary side phase change fluid circulation subsystem through the heat exchange device; the primary side phase change fluid circulation subsystem exchanges heat with the external environment through a cooling tower; the primary side phase change fluid circulation subsystem and the secondary side phase change fluid circulation subsystem are respectively provided with a primary side disperser and a secondary side disperser for online dispersion of the phase change fluid.

[0007] International patent application WO2024149390A1 provides an immersion liquid cooling system, which includes a liquid cooling device and a refrigeration device, and the liquid cooling device and the refrigeration device exchange heat through a heat exchanger. The liquid cooling device includes a liquid cooling cabinet and a cold distribution unit, and the cold distribution unit includes a heat exchanger and a liquid cooling circulation pump. The first medium outlet of the heat exchanger is connected to the liquid inlet of the liquid cooling cabinet, and the first medium inlet of the heat exchanger is connected to the liquid return port of the liquid cooling cabinet. The liquid cooling circulation pump is connected in series between the heat exchanger and the liquid cooling cabinet. The refrigeration device includes a refrigeration circulation pump, a condenser, a throttling device, and a compressor connected in parallel with the refrigeration circulation pump, which are sequentially connected in series between the second medium outlet and the second medium inlet of the heat exchanger. The compressor and the refrigeration circulation pump are operated selectively. Summary of the invention

[0008] The purpose of the present disclosure is to provide a ring network cooling device, which can increase the operating reliability of a data center liquid cooling system through a redundant design. In addition, the ring network cooling device can provide emergency personnel with convenient and reliable emergency measures in emergency events of operation and maintenance.

[0009] Another object of the present disclosure is to provide a method for linkage control of a ring network cooling device and a data center including the ring network cooling device.

[0010] A first aspect of the present disclosure relates to a ring network cooling device, which is configured to cool equipment to be cooled in a data center on the secondary side of a liquid cooling system of the data center, wherein the ring network cooling device includes a first ring network as a main ring network, the first ring network is divided into a plurality of working sections, and the corresponding working sections are configured to cool the corresponding equipment to be cooled which are equipped with the working sections, and is characterized in that the ring network cooling device also includes a second ring network as a backup ring network, the second ring network is configured to continue to cool the corresponding equipment to be cooled in place of the working sections of the first ring network affected by the fault when one or more working sections of the first ring network are affected by a fault, wherein the working sections of the first ring network affected by the fault are deactivated.

[0011] The liquid cooling system of the existing data center is a single-circuit water supply architecture on the cooling link where the secondary ring network supplies water to the server, and there is a risk of business interruption due to lack of redundancy in extreme scenarios. In the present disclosure, when one or more working sections of the first ring network, such as one or more pipelines, are affected by a fault, such as a leak, the second ring network can be used to replace the working section affected by the fault to work. In addition, the working section affected by the fault of the first ring network can be closed and isolated from other working sections that work normally. The design scheme of the present disclosure provides an additional second ring network in addition to the first ring network, thereby realizing a dual-circuit coolant supply, thereby increasing the operational reliability of the liquid cooling system. The technical solution according to the present disclosure can provide a richer and more reliable processing solution for liquid cooling emergency situations in extreme scenarios. It should be noted here that in the present disclosure, the failure of the working section can be a specific event occurring at the working section, causing the cooling capacity of the working section to decrease so that it cannot meet the cooling requirements of the equipment to be cooled, wherein the specific event can be a leak, a blockage, etc.

[0012] In some embodiments, each working section may be equipped with a plurality of devices to be cooled and may be configured to cool the plurality of devices to be cooled. Thus, when one or more working sections are affected by a fault, the second ring network may replace the working section affected by the fault and continue to cool the plurality of devices to be cooled that are equipped with the working section.

[0013] In some embodiments, a first isolating device is provided on the first ring network, and the first isolating device is arranged so that the first isolating device is provided at both ends or both sides of each working section. When the working section is affected by a fault, the first isolating device equipped with the working section affected by the fault can be closed so as to disable the working section affected by the fault and thereby isolate the working section affected by the fault from the remaining normal working sections of the first ring network. Here, each working section is separated from each other by a corresponding first isolating device. Thus, it is not necessary to equip each device to be cooled with its own first isolating device as in the prior art, but only a corresponding first isolating device can be provided for each working section. When each working section is equipped with a plurality of devices to be cooled as described above, the number of first isolating devices can be significantly reduced compared with the case where there is no second ring network as disclosed in the present invention. For example, if each working section is equipped with five devices to be cooled, the number of first isolating devices can be greatly reduced. The first isolating device can be configured as an isolating valve, in particular an isolating hand valve, for example. Since the isolation valve itself is a risk point that causes ring network leakage and other faults, the isolation architecture of multiple devices and double isolation devices implemented through the technical solution disclosed in the present invention also effectively increases the operating stability of the first ring network, thereby increasing the operating stability of the entire system as a whole.

[0014] In some embodiments, the pipelines of the first ring network and the pipelines of the second ring network are different in terms of pipeline geometry and / or material. Since the second ring network can only meet the working capacity of the working section affected by the fault, such as cooling performance, the second ring network can be designed to be weaker than the first ring network in terms of working capacity. For example, the pipelines of the first ring network can adopt different pipeline geometry and / or pipeline materials from the pipelines of the second ring network, thereby allowing the cost of the second ring network to be reduced and / or the design possibilities of the second ring network to be enriched to meet different cost requirements and / or design requirements.

[0015] In some embodiments, the diameter of the pipeline of the second ring network is smaller than the diameter of the pipeline of the first ring network. This can reduce the cost of the second ring network on the one hand, and meet different space requirements on the other hand. Since the diameter of the pipeline of the second ring network is smaller and the pipeline of the second ring network can be constructed to be thinner, the pipeline of the second ring network can be arranged at a location with a smaller installation space or the installation space required for the pipeline of the second ring network is smaller. Therefore, flexible arrangement of the second ring network can be achieved.

[0016] In some embodiments, the diameter of the pipeline of the second ring network is determined according to the number of corresponding devices to be cooled that are equipped with the working section. Therefore, the diameter of the pipeline of the second ring network can be designed according to actual needs, thereby avoiding performance waste or achieving a dedicated design specific to the number of devices.

[0017] In some embodiments, the diameter of the pipeline of the second ring network can be determined so that the diameter of the pipeline of the second ring network meets the flow rate and / or resistance requirements of the corresponding equipment to be cooled that matches the at least two working sections of the first ring network. Thus, the diameter of the pipeline of the second ring network can have working performance that matches the at least two working sections of the first ring network. When the first partition device between the two working sections has a fault such as leakage, resulting in the working performance of the two adjacent working sections being affected being impaired, the second ring network can immediately replace the two working sections to work, and the diameter of the pipeline of the second ring network can also meet the flow rate and / or resistance requirements of the corresponding equipment to be cooled that matches the two working sections.

[0018] In some embodiments, a flow dividing or collecting device may be provided on the equipment to be cooled, through which the flow dividing or collecting device can divide the flow of the equipment to be cooled in the case of inflow or collect the flow in the case of reflux, wherein the flow dividing or collecting device is fluidically connected to the first ring network and the second ring network in a separable manner, so that the flow dividing or collecting device can cut off the supply and reflux of the first ring network or the second ring network to the equipment to be cooled according to demand. Thus, the flow dividing or collecting device can realize bilateral isolation for the first ring network and the second ring network, which is different from the traditional single-sided isolation. When a pipeline on one side of the flow dividing or collecting device, such as the pipeline of the first ring network, leaks, the first ring network can be isolated, and the coolant supply can continue through the pipeline on the other side, such as the pipeline of the second ring network, without being affected by the pipeline on the leaking side.

[0019] In some embodiments, the flow dividing or collecting device may be provided with a corresponding second isolating device at the corresponding connecting portion connected to the first ring network or the second ring network, and the corresponding second isolating device can be used to isolate the fluid connection between the flow dividing or collecting device and the first ring network or the second ring network.

[0020] In some embodiments, the corresponding second partition device can be configured as one of the following:

[0021] A separate isolating valve that can be connected to a flow dividing or combining device;

[0022] A built-in isolating valve, which can be integrally arranged on a flow dividing or collecting device;

[0023] Quick connector, isolation can be achieved by pulling out the quick connector;

[0024] Interlocking ball valves can be separated by separating interlocking ball valves. Therefore, the bilateral isolation function of the flow dividing or collecting device can be realized through different interface forms and isolation valve combination forms according to the needs.

[0025] In some embodiments, the combination of the second isolating device on the first ring network side at the connection portion communicating with the first ring network and the second isolating device on the second ring network side at the connection portion communicating with the second ring network of the flow dividing or collecting device may be one of the following combinations:

[0026] The second isolating device on the first ring network side and the second isolating device on the second ring network side are both constructed as separate isolating valves;

[0027] The second isolating device on the first ring network side and the second isolating device on the second ring network side are both constructed as self-contained isolating valves;

[0028] The second isolating device on the first ring network side is constructed as a self-contained isolating valve, while the second isolating device on the second ring network side is constructed as a quick connector;

[0029] The second isolating device on the first ring network side is configured as an interlocking ball valve, while the second isolating device on the second ring network side is configured as a quick connector;

[0030] The second isolating device on the first ring network side is constructed as an interlocking ball valve, while the second isolating device on the second ring network side is constructed as a self-contained isolating valve;

[0031] The second partition device on the first ring network side and the second partition device on the second ring network side are both configured as quick connectors;

[0032] The second isolating device on the first ring network side is configured as a quick connector, while the second isolating device on the second ring network side is configured as a self-contained isolating valve. Thus, one of the above preferred second isolating device combinations can be used to achieve the bilateral isolating function of the flow dividing or collecting device.

[0033] In some embodiments, the first ring network and the second ring network may include a supply ring network and a return ring network respectively, and the ring network cooling device is equipped with a flow distribution unit, which is configured to

[0034] Directly distribute traffic to the first ring network, and indirectly distribute traffic to the second ring network via the first ring network; or

[0035] The flow distribution is directly performed on the first ring network and the second ring network. Therefore, the flow distribution unit can be selectively configured to perform direct and indirect flow distribution on the first ring network and the second ring network according to actual needs.

[0036] In some embodiments, when the flow distribution unit is configured to directly distribute flow to the first ring network and indirectly distribute flow to the second ring network via the first ring network, the first connection structure for the supply and return mains of the supply and return ring networks in the second ring network is arranged between the corresponding supply and return ring networks in the first ring network and the supply and return ring networks in the second ring network. Thus, the connection point of the supply and return mains of the second ring network can be located on the first ring network.

[0037] In some embodiments, a connection point of the first connection structure on the first ring network is arranged between the flow distribution unit and a first partition device of the first ring network that is closest to the flow distribution unit.

[0038] In some embodiments, a first switch device for connecting or disconnecting the first connection structure and / or a first regulating device for regulating the flow of the first connection structure is provided on the first connection structure. Thus, a first switch device for connecting or disconnecting or a first regulating device for regulating the flow can be provided between the first ring network and the second ring network as required.

[0039] In some embodiments, the first regulating device is arranged in a sub-connection structure in the first connection structure that connects the current supply ring network of the first ring network and the current supply ring network of the second ring network, and / or

[0040] The first switch device is arranged in another sub-connection structure in the first connection structure that connects the return ring network of the first ring network with the return ring network of the second ring network. Thus, favorable supply current control and return current control can be achieved between the first ring network and the second ring network.

[0041] In some embodiments, when the flow distribution unit is configured to directly distribute flow to the first ring network and the second ring network, the second connection structure for the supply and return main pipes of the supply and return ring networks in the second ring network can be configured as a bypass pipeline of the flow distribution unit for the main pipe leading to the first ring network. In this way, the connection points of the supply and return main pipes of the supply and return ring networks in the second ring network can be advantageously arranged in the flow distribution unit.

[0042] In some embodiments, a second switch device for connecting or disconnecting the second connection structure and / or a second regulating device for regulating the flow of the second connection structure may be provided on the second connection structure. Thus, a second switch device for connecting or disconnecting or a second regulating device for regulating the flow may be provided in the flow distribution unit according to requirements.

[0043] In some embodiments, the second regulating device is arranged in a sub-bypass pipeline connecting the main flow supply pipeline of the flow distribution unit and the flow supply ring network of the second ring network in the second connection structure configured as a bypass pipeline, and / or

[0044] The second switch device is arranged in another sub-bypass pipeline connecting the return main pipeline of the flow distribution unit and the return ring network of the second ring network in the second connection structure configured as a bypass pipeline. Thus, favorable flow supply control and return flow control of the second ring network can be realized in the flow distribution unit.

[0045] In some embodiments, the flow distribution unit may include a pump device, which is arranged on the return main line of the flow distribution unit in the return direction downstream of the connection point between the other sub-bypass line for return of the second connection structure and the return main line of the flow distribution unit. Thus, when a second switch device is provided in the other sub-bypass line for return of the second connection structure, the pump device can be said to be directly located downstream of the second switch device in the return direction, that is, the second switch device is provided on the inlet side of the pump device, so that when the second switch device is opened, the second switch device is immediately in a fully open state, which can ensure that the inlet pressure of the pump device remains stable, so that the pump device maintains normal operation. If the second switch device is not provided in the other sub-bypass line for return of the second connection structure, and for example, a second regulating device for regulating the flow is provided, a throttling effect may occur when the coolant flows through the second regulating device in a half-open state, which causes the inlet pressure of the pump device to be unstable, so that by providing a second switch device in the other sub-bypass line for return of the second connection structure, the operation of the pump device can be avoided, for example, due to the half-open state of the second regulating device.

[0046] In some embodiments, the first switching device or the second switching device can be configured as a solenoid valve, and the first regulating device or the second regulating device can be configured as an electric regulating valve. Thus, an advantageous configuration of the first switching device or the second switching device and the first regulating device or the second regulating device can be achieved.

[0047] A second aspect of the present disclosure relates to a method for linkage control of a ring network cooling device, wherein the ring network cooling device is a ring network cooling device according to any one embodiment of the present disclosure, wherein:

[0048] Linking control of the second isolating device on the current dividing or collecting device with the first switch device and the first regulating device located between the first ring network and the second ring network; or

[0049] The second isolating device on the flow dividing or collecting device is linked with the second switch device and the second regulating device in the bypass pipeline of the flow distribution unit for control.

[0050] In some embodiments, when the second isolating device connected to the second ring network on the current dividing or collecting device is opened, the first switch device or the second switch device is opened in conjunction, and the first regulating device or the second regulating device is opened step by step. Thus, favorable inflow control and loop control of the second ring network can be achieved.

[0051] In some embodiments, the first regulating device or the second regulating device is opened stepwise according to the number of opened flow dividing or collecting devices, thereby achieving favorable control of the first regulating device or the second regulating device.

[0052] A third aspect of the present disclosure also relates to a data center, comprising a ring network cooling device according to any one embodiment of the present disclosure.

[0053] The technical features mentioned above, the technical features to be mentioned below, and the technical features shown separately in the drawings can be combined with each other arbitrarily, as long as the combined technical features are not contradictory. All feasible feature combinations are technical contents clearly recorded in this article. Any of the multiple sub-features contained in the same sentence can be applied independently, and does not have to be applied together with other sub-features. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] The present disclosure is further described below with reference to the schematic drawings with the aid of exemplary embodiments.

[0055] Figure 1 It is a schematic diagram of the architecture of a conventional ring network cooling device in the prior art.

[0056] Figure 2 Schematic diagram of the architecture of the ring network cooling device according to the first embodiment of the present disclosure.

[0057] Figure 3 It is a schematic diagram of different combinations of flow dividing or collecting devices of the ring network cooling device according to the present disclosure;

[0058] Figure 4 Schematic diagram of the architecture of a ring network cooling device according to the second embodiment of the present disclosure.

[0059] Figure 5 yes Figure 4 Schematic diagram of the arrangement structure within the flow distribution unit of a ring network cooling device. DETAILED DESCRIPTION

[0060] Figure 1It is a schematic diagram of the architecture of a conventional ring network cooling device in the prior art. In the conventional ring network cooling device, there is only a first ring network 1, which is composed of a supply ring network 11 and a return ring network 12. The conventional ring network cooling device also includes a flow distribution unit 8 for distributing flow to the ring network, a conventional flow distribution or flow collection device for dividing or collecting flow of the equipment 6 to be cooled, and a first isolation device 5, especially an isolation valve, which is equipped with each equipment 6 to be cooled and used to isolate the ring network. Here, the conventional flow distribution or flow collection device can be constructed as a conventional inlet flow divider and a conventional return flow collector according to the inlet working condition and the loop working condition.

[0061] In this article, the device 6 to be cooled may be a cabinet. Of course, in other embodiments, the device 6 to be cooled may also be other devices in a data center. When the device 6 to be cooled is a cabinet, Figure 1 The cabinet-blocking valve structure of the conventional ring network cooling device can be called a single cabinet double block valve. Figure 1 As shown, the number of isolating valves on the first ring network 1 is relatively large. In addition, in this article, water can be used as a coolant for cooling the device. Of course, other forms of coolants, such as cooling oil, etc., can also be envisioned.

[0062] for Figure 1 The conventional ring network cooling device in the system may have the following two possible failure modes:

[0063] - The first fault mode: the isolation valve of the cabinet on the first ring network 1 fails or the adjacent pipeline leaks; or

[0064] - The second fault form: the pipeline between the rear end of the ring network and the front end of the flow dividing or collecting device 7 or the interface or valve thereon fails or leaks.

[0065] For the above two fault modes, the isolation valves on both sides of the corresponding fault point pipeline need to be closed before the fault is handled. Closing the isolation valve will cause at least 1 to 2 cabinets (1 to 2 for Figure 1 The single cabinet double valve partition architecture shown in the figure, if it is a double cabinet partition architecture, the number of cabinets affected is 2 to 4 cabinets) The water supply is interrupted, resulting in business interruption. Therefore, in the case of a conventional ring network cooling device, a failure will cause business interruption.

[0066] In addition, from Figure 1It can be clearly seen that in the conventional first ring network 1, in order to ensure the normal operation of the remaining parts when a part of the first ring network 1 is affected by a fault, a group of isolation valves are provided for each device 6 to be cooled, and the isolation valves are respectively arranged in the supply ring network 11 and the return ring network 12 of the first ring network 1. As a result, a large number of isolation valves are arranged in the conventional first ring network 1, and the isolation valves themselves are risk points that cause ring network leakage and other faults. Figure 1 The operation stability of the first ring network 1 of this conventional ring network cooling device is not high.

[0067] In order to solve the above problems, the present disclosure innovatively proposes a ring network cooling device adopting a double ring network architecture.

[0068] Figure 2 1 is a schematic diagram of the structure of a ring network cooling device according to the first embodiment of the present disclosure. The ring network cooling device includes a first ring network 1 as a main ring network. The first ring network 1 is divided into a plurality of working sections 10, and the corresponding working sections 10 are configured to cool the corresponding equipment 6 to be cooled, such as the corresponding cabinet, which is equipped with the working section 10. Each working section 10 is equipped with a plurality of equipment 6 to be cooled and is configured to cool the plurality of equipment 6 to be cooled. For example, in Figure 2 In the illustrated embodiment, each working section 10 is associated with five devices 6 to be cooled, for example, five cabinets.

[0069] In addition to the first ring network 1, the ring network cooling device also includes a second ring network 2 as a backup ring network. The second ring network 2 is configured to replace the working section 10 of the first ring network 1 affected by the fault to continue cooling the corresponding equipment 6 to be cooled when one or more working sections 10 of the first ring network 1 are affected by a fault, wherein the working section 10 of the first ring network 1 affected by the fault is deactivated. When the two fault forms mentioned above occur, the ring network cooling device using a double ring network architecture according to the present disclosure can supply flow through the second ring network 2, and then deactivate the working section 10 affected by the fault on the first ring network 1, so that the cooling of the cabinet is not interrupted. That is, when the working section 10 of the first ring network 1 affected by the fault is deactivated, the second ring network 2 continues to cool the corresponding equipment 6 to be cooled (originally cooled by the working section 10 affected by the fault), so there will be no business interruption as in the prior art. Here, the working section 10 is affected by the fault, which includes not only the situation in the text that the working section 10 of the first ring network 1 or the working section 10 itself has a fault, but also includes the situation that the pipeline connected to the working section 10 has a fault, thereby causing the working section 10 to also fail to work normally. In this text, the term "ring network" refers to a pipe network with an annular structure, especially a pipeline.

[0070] Here, if Figure 2 As shown, in order to isolate and deactivate the working sections 10 affected by the fault when one or more working sections 10 of the first ring network 1 are affected by a fault, a first isolating device 5 is provided on the first ring network 1, wherein the first isolating device 5 is arranged so that the first isolating device 5 is provided at both ends of each working section 10. When the working section 10 is affected by the fault, the first isolating device 5 associated with the working section 10 affected by the fault can be closed to deactivate the working section 10 affected by the fault and thereby isolate the working section 10 affected by the fault from the remaining normal working sections 10 of the first ring network 1. Here, the first isolating device 5 can be configured as an isolating valve, in particular an isolating hand valve. When a certain working section 10 is affected by a fault, the isolating hand valves at both ends of the working section 10 can be manually closed and the corresponding working section 10 affected by the fault can be deactivated. When the above two fault situations occur, the ring network cooling device using a dual-ring network architecture can supply flow through the second ring network 2, and then close the isolation valve on the first ring network 1 to ensure business continuity.

[0071] Like the first ring network 1, the second ring network 2 also includes a supply network 21, especially a supply pipeline, and a return network 22, especially a return pipeline. Similarly, in the first ring network 1, for each working section 10, the isolation valves appear in groups, that is, for each working section 10, there is a group of isolation valves at both ends thereof, which are respectively arranged in the supply network 11, especially the supply pipeline, and the return network 12, especially the return pipeline, of the first ring network 1. In this article, the first isolation device 5 of the first ring network 1 is arranged in groups on the supply network 11 and the return network 12.

[0072] exist Figure 2 As mentioned above, each working section 10 is equipped with five cabinets, and each working section 10 is also isolated by a double isolation valve. Figure 2 The ring network cooling device shown has a five-cabinet dual-valve isolation architecture. Of course, in other embodiments, each working section 10 can also be equipped with a plurality of other cabinets, such as three, four, six, seven, eight, etc. cabinets. Therefore, the ring network cooling device according to the present disclosure can realize multi-cabinet dual-valve isolation. Figure 1 Compared with the single-cabinet dual-valve isolation architecture shown in the figure, the multi-cabinet dual-valve isolation architecture can effectively reduce the number of isolation valves on the first ring network 1. Since the isolation valve itself is a risk point that causes ring network leakage and other faults, the multi-cabinet dual-valve isolation architecture implemented by the technical solution of the present disclosure also effectively increases the operating stability of the first ring network 1, thereby generally increasing the operating stability of the entire system.

[0073] The pipe diameter of the first ring network 1 of the ring network cooling device according to the first embodiment may be the same as that of the conventional ring network cooling device, while the pipe diameter of the second ring network 2 is related to the number of cabinets that can be partitioned. Therefore, the pipe diameter of the second ring network 2 may be smaller than that of the first ring network 1 under normal circumstances. Assuming that the first ring network 1 is a five (X=5, X is the number of cabinets equipped for each working section 10) cabinet partition architecture, that is, each working section 10 is equipped with five cabinets, the following situation may occur: the first partition device 5 between two working sections 10 may have leakage or other faults, which causes the working performance of the two adjacent working sections 10 to be damaged. Therefore, for the five (X=5) cabinet partition architecture, the ten cabinets corresponding to the two working sections 10 cannot be effectively cooled by the first ring network 1. At this time, the pipe diameter of the second ring network 2 needs to meet the flow and / or resistance requirements of the corresponding equipment 6 to be cooled that matches the two working sections 10. Therefore, for the five (X=5) cabinet partition architecture, the pipe diameter requirement of the second ring network 2 needs to meet the flow and resistance requirements of ten (N=2X) cabinets. Of course, in order to provide greater redundancy, in other embodiments, the pipe diameter of the pipe of the second ring network 2 can be determined so that the pipe diameter of the pipe of the second ring network 2 meets the flow and / or resistance requirements of the corresponding equipment 6 to be cooled that cooperates with the three, four or more working sections 10 of the first ring network 1.

[0074] In addition to the geometric structure such as pipe diameter, the material of the second ring network 2 can also be selected to be different from the material of the first ring network 1. For the material of the second ring network 2, a material with weaker performance but lower cost than the material of the first ring network 1 can be selected to obtain a better cost performance.

[0075] like Figure 2 As shown, a flow divider or flow collector 7 is provided on the equipment 6 to be cooled, such as a cabinet. The flow divider or flow collector 7 can be used to divide the equipment 6 to be cooled in the case of inflow or to collect the equipment 6 in the case of return flow. The flow divider or flow collector 7 is fluidly connected to the first ring network 1 and the second ring network 2 in a separable manner, so that the flow divider or flow collector 7 can cut off the supply and return flow of the first ring network 1 or the second ring network 2 to the equipment 6 to be cooled according to the demand, thereby realizing a so-called bilateral isolation. The flow divider or flow collector 7 can be constructed as an inflow divider 71 and a return flow collector 72 according to the inlet working condition and the loop working condition. Here, these inflow dividers 71 and return flow collectors 72 also have bilateral isolation functions accordingly. The first ring network 1 and the second ring network 2 are arranged on both sides of the flow divider or flow collector 7. In addition to the first isolating device 5, in some cases, a valve can also be provided on the connecting pipeline (branch pipeline) between the first ring network 1 and the flow divider or flow collector 7 arranged on the cabinet.

[0076] In order to ensure that the cooling of the equipment 6 to be cooled is not interrupted and thus ensure the continuity of the business, it is necessary to ensure that, for example, the fault points, such as leakage points, on the first ring network 1 and the second ring network 2 do not affect each other, and the above-mentioned shunt or collector device 7 with double-sided isolation function can be used for this purpose. When the first ring network 1 is used for supply and return flow, the shunt or collector device 7 on the cabinet can isolate the supply and return flow of the second ring network 2; when the second ring network 2 is used for supply and return flow, the shunt or collector device 7 of the corresponding cabinet needs to isolate the supply and return flow of the first ring network 1.

[0077] For example, refer to Figure 2 , when the working section 10 or cabinet group (five (X=5) cabinets) in the lower left corner of the figure fails on the first ring network 1 pipeline, it is necessary to close the isolation valve of the working section 10 or cabinet group on the first ring network 1, Figure 2 The cabinet group in the lower left corner is supplied with current through the second ring network 2, while other normal working sections 10 or cabinet groups can continue to use the first ring network 1 for current supply.

[0078] Below with the help of Figure 3 The specific structure of the flow dividing or collecting device 7 is explained in detail. Figure 3 It is a schematic diagram of different combinations of the flow dividing or collecting device 7 of the ring network cooling device according to the present disclosure;

[0079] As described above, in the ring network cooling device with a double ring network architecture on the secondary side of the liquid cooling disclosed in the present invention, the flow dividing or collecting device 7 needs to have the ability to be isolated on both sides. When a leak occurs in the pipeline on one side, it can be isolated and the flow can be supplied through the other side without being affected by the pipeline on the leaking side.

[0080] To this end, the flow dividing or collecting device 7 is provided with a corresponding second isolating device 70 at the corresponding connection part connected with the first ring network 1 or the second ring network 2, and the fluid connection between the flow dividing or collecting device 7 and the first ring network 1 or the second ring network 2 can be isolated by the corresponding second isolating device 70. The corresponding second isolating device 70 is constructed as one of the following: a separate isolating valve 701, which can be connected to the flow dividing or collecting device 7; a self-contained isolating valve 702, which can be integrally arranged on the flow dividing or collecting device 7; a quick connector 703, which can be isolated by pulling out the quick connector 703; an interlocking ball valve 704, which can be isolated by separating the interlocking ball valve 704.

[0081] The two-sided isolable flow dividing or collecting device 7 can have, for example, seven combinations, five of which are as follows: Figure 3As shown. By default, the lower end is connected to the first ring network 1. Form one is: the second isolating device 70 on the first ring network side and the second isolating device 70 on the second ring network side are both constructed as separate isolating valves 701; for example, isolating valves are connected on both sides of an ordinary diverter or collector 7. Form two is: the second isolating device 70 on the first ring network side and the second isolating device 70 on the second ring network side are both constructed as self-contained isolating valves 702; for example, a diverter or collector 7 with its own isolating valves on both sides, such a diverter or collector 7 needs to combine the isolating valve with the diverter or collector 7 by welding or the like when the diverter or collector 7 is manufactured. Form three is: the second isolating device 70 on the first ring network side is constructed as a self-contained isolating valve 702, and the second isolating device 70 on the second ring network side is constructed as a quick connector 703; for example, one end of the diverter or collector 7 ( Figure 3 The middle is the lower end) is the built-in isolation valve 702, and the other end ( Figure 3 The second isolating device 70 on the first ring network side is configured as an interlocking ball valve 704, while the second isolating device 70 on the second ring network side is configured as a quick connector 703; for example, the lower end is an interlocking ball valve 704, and the upper end is a quick connector 703, and the pipeline isolation is achieved by separating the interlocking ball valve 704 and by pulling out the quick connector 703. Form five is: the second isolating device 70 on the first ring network side is configured as an interlocking ball valve 704, while the second isolating device 70 on the second ring network side is configured as a self-contained isolating valve 702; for example, the lower end is an interlocking ball valve 704, and the upper end is a self-contained isolating valve 702 of the flow dividing or collecting device 7. In the embodiment not shown, there are two other forms, among which form six is: the second isolating device 70 on the first ring network side and the second isolating device 70 on the second ring network side are both constructed as quick connectors 703; for example, the upper end and the lower end are quick connectors 703, and both sides achieve pipeline isolation by pulling out the quick connectors 703. Form seven is: the second isolating device 70 on the first ring network side is constructed as a quick connector 703, and the second isolating device 70 on the second ring network side is constructed as a self-contained isolation valve 702; for example, the lower end is a quick connector 703, and the pipeline isolation is achieved by pulling out the quick connector 703 at the lower end, and the upper end is the self-contained isolation valve 702 of the flow dividing or collecting device 7. Therefore, the bilateral isolation function of the flow dividing or collecting device 7 can be achieved through different interface forms and isolation valve combination forms: ordinary interface (live joint or clamp connection) combined with isolation valve, quick connector 703, interlocking ball valve 704, welding and isolation valve combination, etc. For example, when the corresponding second isolating device 70 is constructed as a separate isolating valve 701, the separate isolating valve 701 is connected to the flow dividing or collecting device 7 through a flexible joint structure or a clamp connection structure.

[0082] In order to distribute the flow to the first ring network 1 and the second ring network 2, the ring network cooling device is also equipped with a flow distribution unit 8. Figure 2 The flow distribution method of the ring network cooling device according to the first embodiment is described in detail.

[0083] exist Figure 2 In the first embodiment shown, the flow distribution unit 8 is configured to directly distribute flow to the first ring network 1, and indirectly distribute flow to the second ring network 2 via the first ring network 1. At this time, the first connection structure 30 for the supply and return main pipes of the supply ring network 21 and the return ring network 22 in the second ring network 2 is arranged between the corresponding supply ring network 11 and the return ring network 12 in the first ring network 1 and the supply ring network 21 and the return ring network 22 in the second ring network 2. Figure 2 As shown, the connection point of the first connection structure 30 located on the first ring network 1 is set between the flow distribution unit 8 and the first isolation device 5 of the first ring network 1 closest to the flow distribution unit 8. The first connection structure 30 is provided with a first switch device 31 for connecting or disconnecting the first connection structure 30, such as a solenoid valve, and a first regulating device 32 for regulating the flow of the first connection structure 30, such as an electric regulating valve. Figure 2 As can be clearly seen in the figure, the first regulating device 32 configured as an electric regulating valve can be arranged in a sub-connection structure 33 connecting the supply ring network 11 of the first ring network 1 and the supply ring network 21 of the second ring network 2 in the first connection structure 30, and the first switching device 31 configured as an electromagnetic valve is arranged in another sub-connection structure 34 connecting the return ring network 12 of the first ring network 1 and the return ring network 22 of the second ring network 2 in the first connection structure 30. Of course, in other embodiments, the arrangement positions of the first switching device 31 and the first regulating device 32 can be interchanged. In addition, in other embodiments, only the first switching device 31 or only the first regulating device 32 can be provided, that is, the first switching device 31 and the first regulating device 32 can be provided one by one according to needs.

[0084] Below with the help of Figure 4 and Figure 5 A second embodiment of the ring cooling device according to the present disclosure is described. Figure 4 Schematic diagram of the architecture of a ring network cooling device according to the second embodiment of the present disclosure. Figure 5 yes Figure 4 Schematic diagram of the arrangement structure within the flow distribution unit 8 of the ring network cooling device.

[0085] The second embodiment of the ring network cooling device according to the present disclosure is constructed substantially the same as the first embodiment of the ring network cooling device in other aspects except the flow distribution method. Therefore, the above description of the ring network cooling device according to the first embodiment except the flow distribution method can be transferred to the ring network cooling device according to the second embodiment.

[0086] The following mainly explains in detail the different traffic distribution methods. Figure 4 and Figure 5 It can be seen that the flow distribution unit 8 of the ring network cooling device according to the second embodiment is configured to directly distribute the flow to the first ring network 1 and the second ring network 2. At this time, the second connection structure 40 for the supply and return main pipes of the supply ring network 21 and the return ring network 22 in the second ring network 2 is configured as a bypass pipeline of the flow distribution unit 8 for the main pipeline leading to the first ring network 1. The second connection structure 40 is provided with a second switch device 41 for connecting or disconnecting the second connection structure 40, such as a solenoid valve, and a second regulating device 42 for regulating the flow of the second connection structure 40, such as an electric regulating valve. The second regulating device 42 configured as an electric regulating valve is arranged in a sub-bypass pipeline 43 connecting the supply main pipeline 81 of the flow distribution unit 8 and the supply loop network 21 of the second loop network 2 in the second connecting structure 40 configured as a bypass pipeline, and the second switching device 41 configured as a solenoid valve is arranged in another sub-bypass pipeline 44 connecting the return main pipeline 82 of the flow distribution unit 8 and the return loop network 22 of the second loop network 2 in the second connecting structure 40 configured as a bypass pipeline. In addition, the flow distribution unit 8 includes a pump device 9, which is arranged on the return main pipeline 82 of the flow distribution unit 8 in the return direction downstream of the connection point of the other sub-bypass pipeline 44 for return and the return main pipeline 82 of the flow distribution unit 8 of the second connecting structure 40. At this time, the inlet side of the pump device 9 can be provided with a second switching device 41 configured as a solenoid valve, thereby avoiding the half-open state from affecting the operation of the pump device 9 as described above. Of course, in other embodiments, the arrangement positions of the second switching device 41 and the second regulating device 42 can be interchanged. In addition, in other embodiments, only the second switch device 41 or only the second adjustment device 42 may be provided, that is, the second switch device 41 and the second adjustment device 42 may be provided as required. Figure 4 and Figure 5 The arrangement shown in .

[0087] The following describes the linkage control method of the dual-ring network architecture. Figure 2In the double-ring network architecture shown, the second isolating device 70 (e.g., isolating valve) on the flow dividing or collecting device 7 is linked to the first switch device 31 configured as a solenoid valve and the first regulating device 32 configured as an electric regulating valve between the first ring network 1 and the second ring network 2 for control. Figure 4 In the double-ring network architecture shown, the second isolating device 70 (e.g., isolating valve) on the flow-dividing or flow-collecting device 7 is controlled in linkage with the second switch device 41 configured as a solenoid valve and the second regulating device 42 configured as an electric regulating valve inside the flow distribution unit 8. When the second isolating device 70 (e.g., isolating valve) connected to the second ring network 2 on any flow-dividing or flow-collecting device 7 is opened, especially manually opened, the solenoid valve is opened in linkage, and the electric regulating valve can be opened step by step according to the number of the second isolating devices 70 (e.g., isolating valves) of the flow-dividing or flow-collecting device 7 opened (the user can set the opening degree of each step opening according to the needs). Among them, opening the second isolating device 70 means that the pipeline connected through the second isolating device 70 (separate isolating valve, self-contained isolating valve, quick connector, interlocking ball valve) is in a connected (i.e., non-isolated) state.

[0088] It should be noted that the terms used herein are for the purpose of illustrating specific aspects only and are not intended to limit the disclosure. As used herein, the singular forms "a" and "the one" shall include the plural forms unless the context clearly states otherwise. It is understood that the terms "include" and "comprises" and other similar terms, when used in the application documents, specify the existence of the stated operations, elements and / or parts, without excluding the existence or addition of one or more other operations, elements, parts and / or combinations thereof. As used herein, the term "and / or" includes all arbitrary combinations of one or more related enumerated items. In the description of the drawings, similar reference numerals always represent similar elements.

[0089] The thickness of the elements in the accompanying drawings can be exaggerated for the sake of clarity. It is also understood that if an element is referred to as being on another element, coupled to another element or connected to another element, then the element can be directly formed on the other element, coupled to it or connected to it, or one or more intervening elements can be arranged between them. On the contrary, if the expressions "directly on...", "directly coupled to..." and "directly connected to..." are used herein, then there is no intervening element. Other words used to illustrate the relationship between elements should be similarly interpreted, such as "between..." and "directly between...", "attachment" and "direct attachment", "adjacent" and "directly adjacent", etc.

[0090] Terms such as "top," "bottom," "above," "below," "above," "below," etc. are used herein to describe the relationship of one element, layer or region to another element, layer or region as illustrated in the drawings. It will be understood that these terms are intended to encompass other orientations of the device in addition to the orientation depicted in the drawings.

[0091] It is to be understood that although the terms "first", "second", etc. may be used herein to describe different elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. Therefore, a first element may be referred to as a second element without departing from the teachings of the present disclosure.

[0092] It is also contemplated that all exemplary embodiments disclosed herein can be arbitrarily combined with one another. In addition, all individual technical features in this application can be arbitrarily combined with one another, as long as the combined technical features are not mutually contradictory. All technically feasible feature combinations are technical contents recorded in this application.

[0093] Finally, it should be pointed out that the above embodiments are only used to understand the present disclosure, and do not limit the protection scope of the present disclosure. For those skilled in the art, modifications can be made based on the above embodiments, and these modifications do not depart from the protection scope of the present disclosure.

Claims

1. A ring cooling device, the ring cooling device being configured to cool a device (6) to be cooled in a data center on the secondary side of a liquid cooling system of the data center, wherein: The ring network cooling device comprises a first ring network (1) as a main ring network, the first ring network being divided into a plurality of working sections (10), wherein the respective working sections are configured to cool the respective equipment to be cooled which is associated with the working sections, It is characterized in that The ring network cooling device also includes a second ring network (2) as a backup ring network, which is configured to replace the working sections of the first ring network affected by the fault and continue to cool the corresponding equipment to be cooled when one or more working sections of the first ring network are affected by a fault, wherein the working sections of the first ring network affected by the fault are deactivated.

2. The ring network cooling device according to claim 1, characterized in that: Each working section is associated with a plurality of devices to be cooled and is designed to cool the plurality of devices to be cooled.

3. The ring network cooling device according to claim 1 or 2, characterized in that: A first isolating device (5) is provided on the first ring network, and the first isolating device is arranged so that a first isolating device is provided at both ends of each working section. When a working section is affected by a fault, the first isolating device associated with the working section affected by the fault can be closed so as to deactivate the working section affected by the fault and thereby isolate the working section affected by the fault from the remaining normal working sections of the first ring network; and / or The pipelines of the first ring network and the pipelines of the second ring network are different in terms of pipeline geometry and / or material; and / or The diameter of the pipeline of the second ring network is smaller than the diameter of the pipeline of the first ring network; and / or The diameter of the pipeline of the second ring network is determined according to the number of corresponding equipment to be cooled associated with the working section; and / or The pipe diameter of the pipeline of the second ring network is determined so that the pipe diameter of the pipeline of the second ring network meets the flow and / or resistance requirements of the corresponding equipment to be cooled coordinated with the at least two working sections of the first ring network.

4. The ring network cooling device according to claim 1 or 2, characterized in that: A flow dividing or collecting device (7) is provided on the equipment to be cooled, through which the equipment to be cooled can be divided in the case of inflow or collected in the case of return flow, wherein the flow dividing or collecting device is fluidically connected to the first ring network and the second ring network in a separable manner, so that the flow dividing or collecting device can isolate the first ring network or the second ring network from the supply and return flow of the equipment to be cooled according to demand; and / or The flow dividing or collecting device is provided with a corresponding second isolating device (70) at a corresponding connection portion connected to the first ring network or the second ring network, and the corresponding second isolating device can be used to isolate the fluid connection between the flow dividing or collecting device and the first ring network or the second ring network; and / or The corresponding second partition device is constructed as one of the following: A separate isolating valve (701), which can be connected to a flow dividing or collecting device; A self-contained isolating valve (702), which can be integrally arranged on a flow dividing or collecting device; A quick connector (703), which can be disconnected by pulling out the quick connector; An interlocking ball valve (704), by separating the interlocking ball valve, isolation can be achieved; and / or The combination form of the second isolating device on the first ring network side at the connection part connected to the first ring network and the second isolating device on the second ring network side at the connection part connected to the second ring network of the flow dividing or collecting device adopts one of the following combinations: The second isolating device on the first ring network side and the second isolating device on the second ring network side are both constructed as separate isolating valves; The second isolating device on the first ring network side and the second isolating device on the second ring network side are both constructed as self-contained isolating valves; The second isolating device on the first ring network side is constructed as a self-contained isolating valve, while the second isolating device on the second ring network side is constructed as a quick connector; The second isolating device on the first ring network side is configured as an interlocking ball valve, while the second isolating device on the second ring network side is configured as a quick connector; The second isolating device on the first ring network side is constructed as an interlocking ball valve, while the second isolating device on the second ring network side is constructed as a self-contained isolating valve; The second partition device on the first ring network side and the second partition device on the second ring network side are both configured as quick connectors; The second isolating device on the first ring network side is configured as a quick connector, while the second isolating device on the second ring network side is configured as a self-contained isolating valve.

5. The ring network cooling device according to claim 3, characterized in that: The first ring network and the second ring network respectively comprise a flow supply ring network (11, 21) and a return ring network (12, 22), and the ring network cooling device is equipped with a flow distribution unit (8), which is configured to Directly distribute traffic to the first ring network, and indirectly distribute traffic to the second ring network via the first ring network; or Directly distribute traffic to the first ring network and the second ring network; and / or When the flow distribution unit is configured to directly distribute flow to the first ring network and indirectly distribute flow to the second ring network via the first ring network, a first connection structure (30) for the supply and return main pipes of the supply ring network and the return ring network in the second ring network is arranged between the corresponding supply ring network and the return ring network in the first ring network and the supply ring network and the return ring network in the second ring network; and / or The connection point of the first connection structure located on the first ring network is arranged between the flow distribution unit and the first partition device of the first ring network closest to the flow distribution unit; and / or A first switch device (31) for connecting or disconnecting the first connection structure and / or a first regulating device (32) for regulating the flow of the first connection structure are arranged on the first connection structure; and / or The first regulating device is arranged in a sub-connection structure (33) in the first connection structure, which connects the current supply ring network of the first ring network and the current supply ring network of the second ring network, and / or The first switch device is arranged in another sub-connection structure (34) in the first connection structure, which connects the return ring network of the first ring network and the return ring network of the second ring network; and / or When the flow distribution unit is configured to directly distribute flow to the first ring network and the second ring network, the second connection structure (40) for the supply and return main pipes of the supply ring network and the return ring network in the second ring network is configured as a bypass pipe of the flow distribution unit for the main pipe leading to the first ring network; and / or A second switch device (41) for connecting or disconnecting the second connection structure and / or a second regulating device (42) for regulating the flow of the second connection structure are arranged on the second connection structure; and / or The second regulating device is arranged in a sub-bypass pipeline (43) connecting the main flow supply pipeline (81) of the flow distribution unit and the flow supply ring network of the second ring network in a second connection structure configured as a bypass pipeline, and / or The second switch device is arranged in another sub-bypass pipeline (44) connecting the return main pipeline (82) of the flow distribution unit and the return ring network of the second ring network in a second connection structure configured as a bypass pipeline; and / or The flow distribution unit comprises a pump device (9), which is arranged on the return main line of the flow distribution unit in the return direction downstream of the connection point between the other sub-bypass line for return flow in the second connection structure and the return main line of the flow distribution unit; and / or The respective first switching device or the respective second switching device is designed as a solenoid valve, and the respective first regulating device or the respective second regulating device is designed as an electric regulating valve.

6. A method for linkage control of a ring network cooling device, wherein the ring network cooling device is a ring network cooling device according to any one of claims 1 to 5, wherein: The second isolating device on the current dividing or collecting device is controlled in linkage with the first switch device and the first regulating device located between the first ring network and the second ring network; or The second isolating device on the flow dividing or collecting device is linked with the second switch device and the second regulating device in the bypass pipeline of the flow distribution unit for control.

7. The method according to claim 6, characterized in that When the second isolating device connected to the second ring network on the current dividing or collecting device is opened, the first switch device or the second switch device is linked to be opened, and the first regulating device or the second regulating device is opened step by step; and / or The first regulating device or the second regulating device is opened stepwise according to the number of opened flow dividing devices or flow combining devices.

8. A data center, comprising the ring network cooling device according to any one of claims 1 to 5.

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