阅读说明：本技术 制冷系统及数据中心 (Refrigerating system and data center ) 是由 吴若勋 李马林 刘元 于 2021-06-25 设计创作，主要内容包括：本申请涉及数据中心技术领域,尤其涉及到制冷系统及数据中心。制冷系统包括用于流通冷却介质的第一循环管路单元和第二循环管路单元,第一循环管路单元包括相互连通的第一供水管组和第一回水管组；第二循环管路单元包括相互连通的第二供水管组和第二回水管组；第一供水管组的第一端以及第一回水管组的第一端均设有第一扩容接口,第二供水管组的第二端以及第二回水管组的第二端均设有与第一扩容接口可拆卸连接的第二扩容接口,且第一扩容接口与第二扩容接口断开连接时,第一供水管组和第一回水管组的第一扩容接口分别与第一排气阀组可拆卸连接。本申请中制冷系统应用于数据中心时,能够实现数据中心各层机房分期建设,以节省前期投入的成本。(The application relates to the technical field of data centers, in particular to a refrigerating system and a data center. The refrigeration system comprises a first circulation pipeline unit and a second circulation pipeline unit which are used for circulating cooling media, wherein the first circulation pipeline unit comprises a first water supply pipe group and a first water return pipe group which are communicated with each other; the second circulating pipeline unit comprises a second water supply pipe group and a second water return pipe group which are communicated with each other; the first end of first water supply nest of tubes and the first end of first return water nest of tubes all are equipped with first dilatation interface, and the second end of second water supply nest of tubes and the second end of second return water nest of tubes all are equipped with the second dilatation interface of can dismantling the connection with first dilatation interface, and when just first dilatation interface and second dilatation interface disconnection, the first dilatation interface of first water supply nest of tubes and first return water nest of tubes can dismantle the connection with first exhaust valve group respectively. When refrigerating system was applied to data center in this application, can realize data center each layer computer lab staging construction to save the cost that drops into earlier stage.)

1. A refrigeration system, comprising: a first circulation line unit and a second circulation line unit; the first circulation pipeline unit and the second circulation pipeline unit are used for circulating cooling media;

the first circulating pipeline unit comprises a first water supply pipe group and a first water return pipe group, and the first water supply pipe group is communicated with the first water return pipe group; the second circulating pipeline unit comprises a second water supply pipe group and a second water return pipe group, and the second water supply pipe group is communicated with the second water return pipe group;

the first end of the first water supply pipe group and the first end of the first water return pipe group are both provided with first expansion interfaces, the second end of the second water supply pipe group and the second end of the second water return pipe group are both provided with second expansion interfaces, the first expansion interface of the first water supply pipe group is detachably connected with the second expansion interface of the second water supply pipe group, and the first expansion interface of the second water return pipe group is detachably connected with the second expansion interface of the second water return pipe group;

when the first expansion interface is disconnected with the corresponding second expansion interface, the first expansion interface of the first water supply pipe group and the first expansion interface of the first water return pipe group are detachably connected with the first exhaust valve group respectively.

2. The refrigerant system as set forth in claim 1, wherein said first vent valve set includes a first gate valve and a first automatic vent valve;

one end of the first gate valve is connected with the first automatic exhaust valve, and the other end of the first gate valve is connected with the corresponding first expansion interface through a first blind plate.

3. The refrigeration system according to claim 1 or 2, wherein the first water supply pipe group comprises a first water supply main pipe and a first water supply branch pipe connected with the first water supply main pipe, and a first expansion interface is arranged at a first end of the first water supply main pipe;

the first water return pipe set comprises a first water return main pipe and a first water return branch pipe connected with the first water return main pipe, the first end of the first water return main pipe is provided with the first expansion interface, and the first water return branch pipe is communicated with the first water supply branch pipe.

4. The refrigeration system according to claim 3, wherein the first circulation pipeline unit further includes a valve body assembly for controlling the opening and closing of the first expansion port, wherein the valve body assembly includes two first valve bodies, the two first valve bodies are respectively disposed in the first water supply main pipe and the first return main pipe, one of the first valve bodies is disposed between the connection portion of the first water supply branch pipe and the first water supply main pipe and the corresponding first expansion port, and the other first valve body is disposed between the connection portion of the first return branch pipe and the first return main pipe and the corresponding first expansion port.

5. The refrigeration system according to any one of claims 1 to 4, wherein the first end of the second water supply pipe group and the first end of the second water return pipe group are both provided with a third expansion joint.

6. The refrigeration system as recited in claim 5 wherein said third expansion interfaces of said second water supply line set and said second water return line set are removably connected to a second exhaust valve set, respectively.

7. The refrigerant system as set forth in claim 6, wherein said second set of vent valves includes a second gate valve and a second automatic vent valve;

one end of the second gate valve is connected with the second automatic exhaust valve, and the other end of the second gate valve is connected with the corresponding third expansion interface through a second blind plate.

8. The refrigeration system according to any one of claims 5 to 7, wherein the second water supply pipe group comprises a second water supply main pipe and a second water supply branch pipe connected with the second water supply main pipe, a first end of the second water supply main pipe is provided with a third expansion interface, and a second end of the second water supply main pipe is provided with a second expansion interface detachably connected with the first expansion interface;

the second water return pipe group comprises a second water return main pipe and a second water return branch pipe connected with the second water return main pipe, a third expansion interface is arranged at the first end of the second water return main pipe, and a second expansion interface detachably connected with the first expansion interface is arranged at the second end of the second water return main pipe; and the second water return branch pipe is connected with the second water supply branch pipe.

9. The refrigeration system of claims 5-8, further comprising a bleed valve block for removable connection with the second expansion interface of the second water supply tube bank and the second water return tube bank.

10. The refrigerant system as set forth in any one of claims 1 to 9, further including a connection assembly for removably connecting said first expansion interface with said second expansion interface.

11. The refrigerant system as set forth in claim 10, wherein said coupling assembly includes a rigid connection tube and a flexible connection tube, one end of said rigid connection tube being connected to a first expansion interface, the other end of said rigid connection tube being connected to said flexible connection tube, said flexible connection tube being connected to said second expansion interface.

12. The refrigerant system as set forth in claim 11, wherein said connection assembly further includes a sleeve disposed externally of said flexible connection tube.

13. The refrigeration system according to any one of claims 1 to 12, wherein when the first circulation line unit is a bottom circulation line unit, the second end of the first water supply line group is communicated with an outlet of the refrigeration unit, the second end of the first water return line group is communicated with an inlet of the refrigeration unit, and the refrigeration unit is configured to supply the first water supply line group with a cooling medium.

14. A data center comprising the refrigeration system according to any one of claims 1 to 13, and further comprising two machine rooms disposed one above another, the first circulation line unit being disposed in the lower machine room, and the second circulation line unit being disposed in the upper machine room.

Technical Field

The application relates to the technical field of data centers, in particular to a refrigerating system and a data center.

Background

In recent years, the scale of data center construction is continuously increased, and the requirement of a large-scale data center on refrigeration is higher, so that a refrigeration system of the data center is also one of key indexes for measuring the performance of the data center. At present, some data center rooms are arranged in civil buildings, as shown in fig. 1, pipelines 2 in a refrigeration system of a large data center need to be arranged in each layer of room 1 in advance during civil engineering, so that later expansion is convenient. Such a problem is that even if some floors are not used as machine rooms, pipeline interfaces, pipeline laying and the like are reserved in each floor in the early construction, which wastes early construction time and has a low resource utilization rate. On the other hand, if the reserved pipeline interface is not enough, the capacity of the data center is difficult to expand in the later period, and the future refrigeration requirement of the data center cannot be met.

Disclosure of Invention

The application provides a refrigerating system and data center, can dismantle the connection between first circulation pipeline unit and the second circulation pipeline unit among the refrigerating system, when refrigerating system is applied to data center, can only be provided with first circulation pipeline unit in the floor as the computer lab, and then follow-up when the dilatation, can lay second circulation pipeline unit in the floor adjacent with the computer lab, with first circulation pipeline unit and second circulation pipeline unit connection, accomplish data center's dilatation, in order to reduce the time of building in earlier stage, improve the utilization ratio of resource.

In a first aspect, the present application provides a refrigeration system comprising a first circulation line unit and a second circulation line unit for circulating a cooling medium; the first circulating pipeline unit can comprise a first water supply pipe group and a first water return pipe group which are communicated with each other; the second circulation pipeline unit may include a second water supply pipe group and a second water return pipe group which are communicated with each other; the first end of first water supply nest of tubes and the first end of first return water nest of tubes all are equipped with first dilatation interface, and the second end of second water supply nest of tubes and the second end of second return water nest of tubes all are equipped with the second dilatation interface, can dismantle the connection between first dilatation interface and the second dilatation interface, and when first dilatation interface and corresponding second dilatation interface disconnection, first dilatation interface can dismantle with first exhaust valve group and be connected. Specifically, when the refrigeration system is applied to a data center and the data center is not expanded, the first circulation pipeline unit is arranged in the current data center to provide cooling capacity for the current data center; at the moment, the first capacity expansion interfaces of the first water supply pipe group and the first water return pipe group in the first circulating pipeline unit are respectively connected with the first exhaust valve group so as to ensure that the first circulating pipeline unit can stably work; when the current data center can not meet the actual use requirement, a floor can be built on the floor above the current data center or the floor above the current data center, a second circulation pipeline unit is laid in the floor, and after the second circulation pipeline unit is laid, the first exhaust valve group connected to the first capacity expansion interface is detached, so that the first capacity expansion interface is connected with the second capacity expansion interface, the expansion of the refrigeration system is completed, and the expansion of the data center is completed. In the arrangement mode, the investment cost in the previous stage can be reduced, and the data center in the previous stage can be expanded to meet the subsequent use requirement.

In one possible embodiment, the first expansion interface and the second expansion interface may be detachably connected by a connection assembly. Wherein, coupling assembling detachable is with first dilatation interface and second dilatation interface intercommunication to guarantee that second circulation pipeline unit has coolant's circulation, the operation that makes the data center after the dilatation can be stable.

In a possible embodiment, the first exhaust valve set may include a first gate valve and a first automatic exhaust valve, the first water supply pipe set and the first water return pipe set are both provided with a first blind plate near the first capacity expansion interface, the first gate valve is installed at the first capacity expansion interface through the first blind plate, and the first automatic exhaust valve is installed at a side of the first gate valve facing the first end of the first circulation pipe unit.

In one possible embodiment, the first water supply pipe group may include a first water supply main pipe and a first water supply branch pipe, a first end of the first water supply main pipe is provided with a first expansion interface, a second end of the first water supply main pipe may be communicated with the outlet of the refrigeration unit, the first water supply branch pipe is connected with the first water supply main pipe, and a connection portion of the first water supply branch pipe and the first water supply main pipe is located between the first end and the second end of the first water supply main pipe; the first water return pipe group can include that first water return is responsible for and first water return branch pipe, the first end that first water return was responsible for is equipped with first dilatation interface, the import intercommunication that second end that first water return was responsible for and, and first water return branch pipe is responsible for with first water return and is connected, first water return branch pipe is responsible for with first water return and is located between first end and the second end that first water return was responsible for with first water return, and first water return branch pipe and first water supply branch pipe intercommunication, first water supply branch pipe and first water return branch pipe are used for refrigerating for current data center, so that current data center carries out the operation that can stabilize.

In order to enable the first circulation pipeline unit to stably operate and detect the operation condition, a first functional element may be disposed on each of the first water supply branch pipe and the first water return branch pipe, where the first functional element may specifically be at least one of a first pressure gauge, a third gate valve, or a first temperature gauge.

In one possible embodiment, when the data center needs to be expanded, the second circulation pipeline unit is arranged in a floor above the current data center, and in order to circulate a cooling medium in the second circulation pipeline unit to cool the floor, the second expansion interface of the second circulation pipeline unit needs to be communicated with the first expansion interface of the first circulation pipeline unit, at this time, in order to ensure the communication between the first expansion interface and the second expansion interface, the first exhaust valve set connected with the first expansion interface needs to be disassembled, and in order to prevent the first circulation pipeline unit from leaking water, a valve body assembly used for controlling the opening and closing of the first expansion interface is arranged in the first circulation pipeline unit, the valve body assembly may include two first valve bodies, wherein one first valve body is arranged between the first main water supply pipe and the first branch water supply pipe connection portion and the corresponding first expansion interface, another first valve body is arranged between the connecting part of the first return main pipe and the first return branch pipe and the corresponding first capacity expansion interface, the first exhaust valve group is detached after the two first valve bodies are closed, and the first capacity expansion interface is connected with the second capacity expansion interface.

In one possible embodiment, the second water supply pipe group may include a second water supply main pipe and a second water supply branch pipe, and the second water return pipe group may include a second water return main pipe and a second water return branch pipe, wherein a second exhaust valve group is disposed at a first end of the second water supply main pipe, a second expansion interface is disposed at a second end of the second water supply main pipe, and the second expansion interface disposed on the second water supply main pipe is detachably connected to the first expansion interface disposed at the first end of the first water supply main pipe; the first end that the second return water was responsible for is equipped with second exhaust valve group, and the second end that the second return water was responsible for is equipped with the second dilatation interface, and the second dilatation interface that the second return water was responsible for and is established can dismantle with the first dilatation interface that the one end of the first return water was responsible for and is connected. Therefore, after the second circulation pipeline unit is arranged on the floor above the current data center, the second expansion interface can be detachably matched with the first expansion interface to complete the expansion of the data center.

It should be noted that, when the second circulation pipeline unit is communicated with the first circulation pipeline unit, the second circulation pipeline unit can be subjected to acid pickling passivation to remove dirt such as oil stain, rust, oxide skin and welding spots on the pipeline in the second circulation pipeline unit, and the surface of the treated pipeline becomes uniform silvery white, so that the corrosion resistance of the pipeline in the second circulation pipeline unit can be improved. In order to conveniently complete pickling passivation of the second circulating pipeline unit, a drain valve group can be connected to a second expansion interface of the second water return pipe group, and a drain valve group is also connected to a second expansion interface of the second water supply pipe group, wherein one drain valve group can be used as an interface, and the other drain valve group is used as a drain opening.

The water draining valve bank can comprise a fifth gate valve, and the fifth gate valve is connected to the second expansion interface through a third blind plate.

In addition, in order to ensure that the second water supply main pipe and the second water return main pipe are connected with the first water supply main pipe and the first water return main pipe through the connecting assembly, the first circulating pipeline unit and the second circulating pipeline unit can stably work, the first end of the second water supply main pipe and the first end of the second water return main pipe are both provided with third expansion interfaces, and the third expansion interfaces of the second water supply main pipe and the second water return main pipe can be detachably connected with the second exhaust valve group respectively. Wherein, second exhaust valve group can include second gate valve and second automatic exhaust valve, and second automatic exhaust valve sets up and is responsible for and the first end that the second return water was responsible for at the second water supply, and is concrete, and the one end and the second automatic exhaust valve of second gate valve are connected, and the second gate valve other end passes through the second blind plate and connects in the third that corresponds interface that expands.

In the foregoing embodiment, the connection assembly may include a rigid connection pipe and a flexible connection pipe, one end of the rigid connection pipe may penetrate through a floor between two adjacent machine rooms and is connected to the first capacity expansion interface of the first circulation pipeline unit, the other end of the rigid connection pipe may be connected to the flexible connection pipe, and the other end of the flexible connection pipe may be connected to the second capacity expansion interface of the second circulation pipeline unit to complete capacity expansion of the data center. Wherein, the selection for use of flexible connection pipe can be convenient for make the part and the second dilatation interface connection of rigid connection pipe, improves the convenience of construction. In addition, a sleeve can be arranged outside the flexible connecting pipe, so that the probability of damage of the flexible connecting pipe is reduced.

In a second aspect, the present application further provides a capacity-expanded data center, including the refrigeration system in any of the above schemes and two machine rooms stacked up and down, where the first circulation pipeline unit is disposed in the lower machine room, and the second circulation pipeline unit is disposed in the upper machine room. Specifically, a first circulation pipeline unit is arranged in a lower computer room (which can be regarded as a data center before capacity expansion), the first circulation pipeline unit can refrigerate the data unit in the lower computer room, and a second circulation pipeline unit can be arranged in an upper computer room, so that when the capacity expansion of the data center is needed, the second circulation pipeline unit is laid in the upper computer room, and the first circulation pipeline unit is connected with the second circulation pipeline unit, thereby completing the capacity expansion. Wherein, the upper computer lab can be under construction in advance, also can be under construction again when expanding the volume.

In the above embodiment, the data unit may include a plurality of detachably connected data modules, each data module may be prepared in advance, and the data modules may be assembled in the machine room after the machine room of each layer is built. In addition, the data module may be a heating, ventilation, electrical and water supply and drainage system (MEP) module, an information module (IT) and an electric power module. In particular, the data module may be another module, which is not listed here.

Drawings

FIG. 1 is a schematic diagram of a piping arrangement in the prior art;

fig. 2 is a schematic structural diagram illustrating a refrigeration system according to an embodiment of the present application when two adjacent circulation pipeline units are connected;

fig. 3 is a schematic structural diagram of a refrigeration system according to an embodiment of the present application when two adjacent circulation line units are not connected;

fig. 4 is a schematic structural diagram of a data center provided in an embodiment of the present application;

fig. 5 is a schematic view of an application scenario of a data center according to an embodiment of the present application.

Reference numerals:

1-a machine room; 2-a pipeline; 3-lower floor computer room; 4-upper computer room; 5-a refrigeration system; 6-a refrigeration unit; 10-a first water supply pipe group; 11-a first main water supply pipe; 12-a first water supply branch; 13-a first expansion interface; 20-a first water return pipe group; 21-a first water return main pipe; 22-a first return branch; 30-a first exhaust valve group; 31-a first gate valve; 32-first automatic exhaust valve; 33-a first blind plate; 40-a first valve body; 50-a first functional element; 60-a second water supply pipe group; 61-a second water supply main; 62-a second water supply branch pipe; 63-a second expansion interface; 70-a second water return pipe group; 71-a second water return main pipe; 72-a second return branch; 80-a water release valve group; 81-fifth gate valve; 82-a third blind plate; 90-a second exhaust valve group; 91-a second gate valve; 92-a second automatic exhaust valve; 100-a second functional element; 110-a connection assembly; 120-data unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in detail with reference to the accompanying drawings.

With the development of information technology, the demand for data centers is rapidly increasing, such as internet service providers, enterprise platforms, research institutions and the like, which all need a large amount of computing demands, and a work platform carrying the demands of storage, computing, networks and the like is called a data center. Typically, building a data center requires both architectural and electromechanical design and construction.

At present, when a data center is built, a building needs to be built on the land, and the building needs to be built to the designed layer number so as to ensure the actual use requirement of the built data center. The conventional method has the following problems that on one hand, the construction period of a building is long, so that the construction period of a data center is too long; on the other hand, based on the characteristics of the building, when the data center needs to be expanded subsequently, the data center is inconvenient, and when the data center is put into use in the previous period, only one or more layers of civil engineering are needed, one or more layers of machine rooms are formed, so that the use requirement can be met, and the cost which is put into in the previous period is overhigh.

Therefore, the data center is provided, the machine room of each layer of the data center can be built in stages, and the cost for building the data center in earlier stage is saved.

The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of this application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Fig. 2 is a schematic structural diagram of a refrigeration system according to the present application when two adjacent circulation line units are connected, and fig. 3 is a schematic structural diagram of a refrigeration system according to fig. 2 when two circulation line units are disconnected. For easy understanding, the first ends of the first water supply pipe group and the first water return pipe group are indicated by a in fig. 3, and the second ends of the second water supply pipe group and the second water return pipe group are indicated by b in fig. 3, referring to fig. 2 and 3, the present application provides a refrigeration system including a first circulation pipe unit and a second circulation pipe unit, the first circulation pipe unit and the second circulation pipe unit may be used for circulating a cooling medium, and the first circulation pipe unit may include a first water supply pipe group 10 and a first water return pipe group 20 which are communicated with each other; the second circulation line unit may include a second water supply pipe group 60 and a second water return pipe group 70 which are communicated with each other; the first end of the first water supply pipe group 10 and the first end of the first water return pipe group 20 are both provided with a first expansion interface 13, the second end of the second water supply pipe group 60 and the second end of the second water return pipe group 70 are both provided with a second expansion interface 63, the first expansion interface 13 on the first water supply pipe group 10 is detachably connected with the second expansion interface 63 of the second water supply pipe group 60, the first expansion interface 13 on the second water return pipe group 20 is detachably connected with the second expansion interface 63 of the second water return pipe group 70, and when the first expansion interface 13 is disconnected with the corresponding second expansion interface 63, the first expansion interface 13 is detachably connected with the first exhaust valve group 30. In a specific implementation process, the refrigeration system may be applied to a data center, and when the data center does not need to be expanded, the first circulation pipeline unit may be disposed in a current machine room, at this time, the first end of the first water supply pipe group 10 and the first end of the first water return pipe group 20 in the first circulation pipeline unit are respectively connected to one first exhaust valve group 30, so that the first circulation pipeline unit can stably operate, and refrigerate the current machine room, so as to ensure stable operation in a current data set. When the data center needs to be expanded, a second circulation pipeline unit can be laid in a floor (which can be pre-constructed or reconstructed) adjacent to the current machine room, after a second water supply pipe group 60 and a second water return pipe group 70 in the second circulation pipeline are laid, the first exhaust valve group 30 connected to the first expansion interface 13 can be detached, then the first water supply pipe group 10 is communicated with the second water supply pipe group 60 through the first expansion interface 13 and the second expansion interface 63, and the first water return pipe group 20 is communicated with the second water return pipe group 70 through the first expansion interface 13 and the second expansion interface 63, so that the expansion of the data center is completed The circulating pipeline units are communicated.

It should be noted that, in order to enable the first circulation pipeline unit to stably operate when the first circulation pipeline unit is detachably connected to the second circulation pipeline unit, a valve body assembly for controlling the opening and closing of the first expansion port 13 may be disposed in the first circulation pipeline unit, so that when the first exhaust valve set 30 is detached, the first expansion port 13 is closed, and the cooling medium in the first circulation pipeline unit is prevented from leaking.

In one embodiment, the first expansion interface 13 and the second expansion interface 63 may be detachably connected by the connection assembly 110, so that the first water supply pipe set 10 may be communicated with the second water supply pipe set 60, and the first water return pipe set 20 may be communicated with the second water return pipe set 70, thereby ensuring that the cooling medium in the first water supply pipe set 10 may enter the second water supply pipe set 60, and the cooling medium absorbing heat in the second water return pipe set 70 may flow back to the first water return pipe set 20, so that the second circulation pipe unit can operate stably.

In the process of implementation, with continued reference to fig. 2 and 3, the first water supply pipe group 10 may include a first water supply main pipe 11 and a first water supply branch pipe 12, a first end of the first water supply main pipe 11 may be provided with a first expansion interface 13, and the first water supply branch pipe 12 is connected to a side wall of the first water supply main pipe 11; the first water return group 20 may include a first water return main 21 and a first water return branch pipe 22, a first end of the first water return main 21 may be provided with a first expansion port 13, the first water return branch pipe 22 is connected to a side wall of the first water return main 21, and the first water return branch pipe 22 and the first water supply branch pipe 12 are communicated with each other. In the specific implementation process, when the data center does not need to be expanded, in order to ensure the stable operation of the first circulation pipeline unit in the existing data center, the generated waste gas can be discharged in time, the first expansion interface 13 on the first water supply main pipe 11 is detachably connected with the first exhaust valve group 30, and/or the first expansion interface 13 on the first water return main pipe 21 is also detachably connected with the first exhaust valve group 30, so that the stable operation of the first circulation pipeline unit can be ensured, and the stable operation of the data center at the preset temperature can be realized.

With reference to fig. 3, the first exhaust valve set 30 may include a first gate valve 31 and a first automatic exhaust valve 32, the first gate valve 31 may be mounted at the first end of the first main water supply pipe 11 and the first main return pipe 21 through a first blind plate 33, and the first automatic exhaust valve 32 is disposed at a side of the first gate valve 31 away from the second end of the first main water supply pipe 11 and the second end of the first main return pipe 21. The provision of the first blind plate 33 facilitates the installation of the first gate valve 31.

It should be noted that, in order to ensure that the first circulation pipeline unit can stably operate and record each parameter of the first circulation pipeline unit, a plurality of first functional elements 50 may be disposed on the first water supply branch pipe 12 and the first water return branch pipe 22, where the first functional elements 50 may specifically include a first pressure gauge, a first temperature gauge, and a third gate valve. Specifically, the first water supply branch pipe 12 may be provided with a first pressure gauge and a third gate valve, the first pressure gauge may detect the pressure of the cooling medium entering the first water supply branch pipe 12 from the first water supply main pipe 11, and the flow rate of the cooling medium entering the first water supply branch pipe 12 may be adjusted by adjusting the third gate valve; the first return water branch pipe 22 may be provided with a first pressure gauge, a third gate valve and a first thermometer, the first pressure gauge arranged on the first return water branch pipe 22 may detect a pressure of the cooling medium absorbing the heat, the first thermometer may detect a temperature of the cooling medium absorbing the heat, and the third gate valve arranged on the first return water branch pipe 22 may adjust a flow speed of the cooling medium absorbing the heat, thereby adjusting a time of the cooling medium in the first circulation pipe unit.

In one embodiment, when the data center cannot meet the actual use requirement, a new floor (or an original floor on which the data center is not formed) can be built on the machine room of the current data center, and a second circulation pipeline unit can be laid on the newly built floor, wherein the second circulation pipeline unit can be prepared in advance to increase the speed of laying the second circulation pipeline unit, and the time for performing detection on site can be reduced. In addition, the second water supply tube group 60 in the second circulation pipeline unit may include a second water supply main tube 61 and a second water supply branch tube 62, the second water supply branch tube 62 is connected to a side wall of the second water supply main tube 61, a second end of the second water supply main tube 61 is provided with a second expansion interface, and a second expansion interface 63 on the second water supply main tube 61 may be detachably connected to the first expansion interface 13 on the first water supply main tube 11 through the connection assembly 110; the second water return pipe group 70 may include a second water return main pipe 71 and a second water return branch pipe 72, the second water return branch pipe 72 is connected to a side wall of the second water return main pipe 71, a second expansion interface 63 is disposed at a second end of the second water return main pipe 71, a third expansion interface is disposed at a first end of the second water supply pipe group 60, and a third expansion interface may be disposed at a first end of the second water return pipe group 70. Under the condition that no further expansion and higher layer is needed, the first end of the second water return main pipe 71 is provided with a second exhaust valve group 90, and/or the first end of the second water supply main pipe 61 is also provided with a second exhaust valve group 90. The second exhaust valve set 90 is detachably connected to the third expansion port, so that the second exhaust valve set 90 is quickly connected to the second water supply pipe set 60 and the second water return pipe set 70.

The second exhaust valve set 90 may include a second gate valve 91 and a second automatic exhaust valve 92, one end of the second gate valve 91 is mounted on the third expansion interfaces of the second water supply pipe set 60 and the second water return pipe set 70 through a second blind plate, and the second automatic exhaust valve 92 is connected to the other end of the second gate valve 91.

When the second water return main pipe 71 in the second circulation pipeline unit is connected with the first water return main pipe 21 through the connecting assembly 110, and the second water supply main pipe 61 is connected with the first water supply main pipe 11 through the connecting assembly 110, it is required that the first automatic exhaust valve group 30 connected to the first end of the first main water return pipe 21, and/or, the first automatic exhaust valve set 30 connected to the first end of the first water supply main pipe 11 is disassembled, in order to prevent the leakage of the cooling medium in the first return main pipe 21 and the first water supply main pipe 11 when the first automatic exhaust valve group 30 is disassembled, the valve body assembly may include two first valve bodies 40, one of the first valve bodies 40 may be disposed at a first end of the first return main 21, the other first valve body 40 may be disposed at a first end of the first water supply main 11, when the first automatic exhaust valve set 30 is disassembled, the first valve body 40 is closed to ensure that the water in the first main return water pipe 21 and the first main water supply pipe 11 will not leak. The first valve body 40 may be a manual butterfly valve. In addition, when the first valve body 40 is closed, the cooling medium in the first water supply main pipe 11 can flow through the first water return branch pipe 22 and the first water return main pipe 21 through the first water supply branch pipe 12 to circulate, so as to ensure that the first circulation pipeline unit passes through the cooling medium, and the machine room where the first circulation pipeline unit is located can also stably work, so that the data center can not affect the work of the existing machine room in the capacity expansion process. Before the second circulating pipeline unit is detachably connected with the first circulating pipeline unit, the second circulating pipeline unit can be subjected to acid cleaning passivation to remove dirt such as oil stain, rust, oxide skin and welding spots of the pipeline in the second circulating pipeline unit, and the surface of the second circulating pipeline unit is changed into uniform silvery white after treatment, so that the corrosion resistance of the pipeline in the second circulating pipeline unit can be improved. In order to conveniently complete the pickling passivation of the second circulation pipeline unit, a drain valve group 80 can be connected to the second expansion interface 63 of the second water return main pipe 72, and a drain valve group 80 is also connected to the second expansion interface of the second water supply main pipe 61, wherein one drain valve group 80 can be used as an interface, and the other drain valve group 80 is used as a drain opening.

Specifically, the bleed valve block 80 may include a fifth gate valve 81, and the fifth gate valve 81 is connected to the second expansion port 63 through a third blind plate 82. During the specific use, adjust the switching of sluicing valves 80, can directly adjust fifth gate valve 81 can, and when connecting second dilatation interface 63 and coupling assembling 110, can dismantle fifth gate valve 81 or make fifth gate valve 81 be in the state of normally opening to guarantee second circulation pipeline unit and first circulation pipeline unit intercommunication.

In order to ensure a stable degree of operation of the second circulation line unit, a second functional element 100 may be provided on the second water supply branch pipe 62 and the second water return branch pipe 72, and the second functional element 100 may include at least one of a second pressure gauge, a fourth gate valve, and a second temperature gauge. Specifically, the second water supply branch pipe 62 may be provided with a second pressure gauge and a fourth gate valve, the second pressure gauge may detect the pressure of the cooling medium entering the second water supply branch pipe 62 from the second water supply main pipe 61, and the flow rate of the cooling medium entering the second water supply branch pipe 62 may be adjusted by adjusting the fourth gate valve; the second backwater branch pipe 72 can be provided with a second pressure gauge, a fourth gate valve and a second thermometer, the second pressure gauge arranged on the second backwater branch pipe 72 can detect the pressure of the cooling medium absorbing the heat, the second thermometer can detect the temperature of the cooling medium absorbing the heat, the fourth gate valve arranged on the second backwater branch pipe 72 can be adjusted to adjust the outflow speed of the cooling medium absorbing the heat, and the time of the cooling medium in the next floor of machine room can be adjusted. In addition, the fourth gate valve provided on the second return branch pipe 72 may perform a pressure holding test on the second circulation line unit.

In the above embodiment, the second circulation pipeline unit may also be provided with a second valve body, the two second valve bodies may be respectively arranged in the second water supply pipe group 60 and the second water return pipe group 70, and when the expanded data center cannot meet the use requirement, the second exhaust valve group 90 may be further detached from the third expansion interface, and the second valve body is closed, so that the third expansion interface is connected with the expansion interface of the subsequent circulation pipeline unit (for example, the third circulation pipeline unit), so as to expand the expanded data center again. Specifically, the connection method of the third expansion interface and the third circulation line unit may refer to the connection between the first expansion interface and the second expansion interface. That is to say, in the embodiment of the present application, one circulation pipeline unit is arranged on one layer, and the exhaust valve groups between the expansion interfaces of the circulation pipeline units between the layers are removed and then connected by the connection assembly, so as to realize synchronous expansion of the refrigeration system while expanding the capacity of the data center.

In the above embodiment, the connection assembly 110 connecting the first capacity expansion interface 13 and the second capacity expansion interface 63 may include a rigid connection pipe and a flexible connection pipe, wherein one end of the rigid connection pipe may pass through the floor slab of two adjacent machine rooms to connect with the first capacity expansion interface, the other end of the rigid connection pipe may be connected with the flexible connection pipe, and one end of the flexible connection pipe far away from the rigid connection pipe may be connected with the second capacity expansion interface 63, so that the first capacity expansion interface 13 is connected with the second capacity expansion interface 63, thereby completing the expansion of the data center. In addition, the flexible connecting pipe can improve the convenience of the rigid connecting pipe and the second expansion interface 63.

It should be noted that, after the flexible connection pipe connects the rigid connection pipe and the second expansion interface, in order to reduce the probability of damage to the flexible connection pipe, a sleeve may be disposed outside the flexible connection pipe to wrap the flexible connection pipe.

In the foregoing embodiment, fig. 4 is a schematic structural diagram of a data center provided by the present application, fig. 5 is a schematic application scenario diagram of the data center provided by the present application, and a portion of a dashed frame in fig. 5 is a portion where a first capacity expansion interface is connected to a second capacity expansion interface when capacity expansion is performed. Referring to fig. 4 and 5, the data center includes the refrigeration system 5 in any of the above solutions, and two machine rooms stacked up and down, where the first circulation line unit is disposed in the lower machine room 3 and the second circulation line unit is disposed in the upper machine room 4. In the specific implementation process, the first circulation pipeline unit 3 can be communicated with the refrigeration unit 6, the refrigeration unit 6 can cool the cooling medium, the first circulation pipeline unit provides cooling capacity for the data unit 120 (server, power supply device and the like) in the lower-layer machine room 3, stable operation of the lower-layer machine room 3 is guaranteed, when the lower-layer machine room 3 cannot meet the use requirement of the data center, the data unit 120 can be arranged in the upper-layer machine room 4, the first circulation pipeline is communicated with the second circulation pipeline, and capacity expansion of the data center is completed.

It should be noted that the data unit 120 may include a plurality of detachably connected data modules, and each data module may be prefabricated, and the prefabricated data module is assembled on the construction site to increase the expansion speed. The data module can be a heating ventilation, electric and water supply and drainage system module, an information module and an electric power module, but is not limited to the above modules. In addition, because the circulation pipeline unit in every layer of computer lab all can be prefabricated in the mill, like this, when passing through coupling assembling intercommunication with the circulation pipeline unit in the two-layer computer lab of neighbour, only need to test connecting portion can, and then can reduce long of measuring.

When carrying out the dilatation to data center, need construct upper computer lab 4 in the top of lower floor's computer lab 3, further carry out refrigerating system's setting to the data center of dilatation, need following operation:

a second circulating pipeline unit is arranged in the upper-layer machine room 4;

the second circulation pipeline unit is subjected to pressure maintaining test, and the second circulation pipeline unit is subjected to acid pickling passivation;

closing a first valve body in a first circulating pipeline unit in the lower-layer machine room 3, and disassembling a first exhaust valve group connected to a first expansion interface of the lower-layer machine room 3;

and communicating the second capacity expansion interface of the upper computer room 4 with the first capacity expansion interface of the lower computer room 3 by using the connecting assembly so as to complete the setting of the refrigeration system of the data center after capacity expansion.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.