TW202345670A - Liquid-cooled cabinet water distributor and liquid-cooled cabinet - Google Patents

Abstract

A liquid-cooled cabinet water distributor and a liquid-cooled cabinet, the liquid-cooled cabinet water distributor includes a liquid inlet pipe main body and a liquid outlet pipe main body arranged in parallel and with a gap, and the liquid inlet pipe main body has a total liquid inlet port and a branch liquid inlet port. The main body of the liquid pipe has a total liquid outlet port and a branch liquid outlet port, the branch liquid inlet port and the branch liquid outlet port are arranged in a dislocation along the extending direction of the liquid inlet pipe main body, and there is an included angle between the branch liquid inlet port and the branch liquid outlet port, and the branch liquid inlet port The liquid port and the branch liquid outlet port are arranged in pairs, and the pair of branch liquid inlet port and branch liquid outlet port are connected to a node to be cooled in the cooling liquid cooling cabinet. The adjustment ensures the minimum bending radius of the water inlet pipe and the water return pipe; the branch liquid inlet port and the branch liquid outlet port are staggered along the extension direction of the liquid inlet pipe body, so that when one of the quick joints is connected, it will not affect the other. Plug and unplug.

Description

Liquid-cooled cabinet water distributor and liquid-cooled cabinet

The present invention relates to the field of liquid-cooled cabinets, and in particular, to a liquid-cooled cabinet water distributor and a liquid-cooled cabinet.

With the vigorous development of computing platforms, actual business requirements for the computing power of the underlying hardware infrastructure are getting higher and higher. The improvement in performance directly leads to the continuous increase in server power consumption. At the same time, the process upgrade brings not only a jump in computing power, but also a significant increase in overall power consumption and heat generation. When the number of servers in a single cabinet remains unchanged, the power consumption of the entire cabinet increases significantly, posing great challenges to the energy consumption and heat dissipation of the data center.

To cope with such challenges, cooling technology also needs to be innovated. The traditional air-cooling model is gradually approaching its limit and facing bottlenecks in high-power computing chips. The problems of high energy consumption and high performance that cannot be solved by air cooling can be significantly improved by using liquid cooling technology. The cold plate liquid cooling model with more outstanding heat conduction capabilities has gradually shown its necessity in data centers. Among them, the most common liquid cooling system is the water cooling system. The water cooling system takes away the heat through the server cold plate. The high-temperature water is heat exchanged in the outdoor cooling tower. The cooled low-temperature water is distributed to individual cabinets through the CDU. The overall The cooling effect is stable and the efficiency is higher than that of wind energy. Moreover, the water cooling system eliminates the cabinet cooling fan, reducing cabinet noise and having little impact on the environment. Although the water-cooling system requires a special water-cooled cabinet, which has a more complex structure, higher costs, and more difficult maintenance, it can meet the cooling and energy-saving requirements of large data centers. Compared with traditional air-cooled data centers, the energy consumption of water-cooled data centers can be A 40% reduction will become more and more common in the future.

Therefore, there is a great need for a liquid-cooled cabinet water distributor that can meet the cooling needs of existing standard cabinets.

The purpose of the present invention is to provide a liquid-cooled cabinet water distributor and a liquid-cooled cabinet that can meet the heat dissipation requirements of existing standard cabinets.

In order to solve the above problems, the present invention provides a liquid-cooled cabinet water distributor for cooling the liquid-cooled cabinet, which includes a liquid inlet pipe body and a liquid outlet pipe body arranged in parallel and with gaps. The liquid inlet pipe body has a total liquid inlet port. and a branch liquid inlet port, the liquid outlet pipe body has a general liquid outlet port and a branch liquid outlet port, the branch liquid inlet port and the branch liquid outlet port are disposed in an offset direction along the extension direction of the liquid inlet pipe body, and the There is an included angle between the branch liquid inlet port and the branch liquid outlet port. The branch liquid inlet port and the branch liquid outlet port are arranged in pairs, and a pair of the branch liquid inlet port and the branch liquid outlet port are connected to the liquid cooling cabinet. A node to be cooled.

Optionally, during operation, the cooling liquid enters the liquid inlet pipe body from the main liquid inlet port, flows from the branch liquid inlet port through the node to be cooled, and then flows from the branch liquid inlet port corresponding to the branch liquid inlet port. The liquid flows from the branch liquid outlet port to the main liquid outlet pipe, and then flows out from the main liquid outlet port.

Optionally, along the extension direction of the liquid inlet pipe body, a gap is provided between adjacent branch liquid inlet ports and branch liquid outlet ports.

Optionally, the included angle is 0° to 180°.

Optionally, there are multiple branch liquid inlet ports and branch liquid outlet ports, and the numbers of the branch liquid inlet ports and branch liquid outlet ports are the same and greater than or equal to the number of nodes to be cooled.

Further, a quick connector is provided on both the branch liquid inlet port and the branch liquid outlet port, and the quick connector on the branch liquid inlet port has a first identification mark, and the quick connector on the branch liquid outlet port has a third identification mark. Two identification marks, the first identification mark and the second identification mark are used to distinguish the branch liquid inlet port and the branch liquid outlet port.

Further, when the number of the branch liquid inlet port and the branch liquid outlet port is equal to the number of the nodes to be cooled, each pair of the branch liquid inlet port and the branch liquid outlet port is connected to one of the branches to be cooled through the quick connector. Cooling nodes; and, when the number of the branch liquid inlet port and the branch liquid outlet port is greater than the number of the nodes to be cooled, some pairs of the branch liquid inlet port and the branch liquid outlet port are respectively connected through the quick connector. The node to be cooled, the remaining pairs of quick connectors at the branch liquid inlet port and the branch liquid outlet port are equipped with plugs (blocking plugs, that is, plugs), and the plugs are used to close the Branch liquid inlet port and branch liquid outlet port.

Optionally, a plurality of spaced apart fixing components are also included, the fixing components being used to pre-fix the liquid inlet pipe body and the liquid outlet pipe body at a preset position of the liquid cooling cabinet after they are parallel and gap-connected. .

Further, the fixing component includes a pipe clamp and a positioning seat. The pipe clamp fixes the liquid inlet pipe body and the liquid outlet pipe body and adjusts the included angle. The positioning seat is set on the pipe clamp. outside, and pre-fix the liquid inlet pipe body and the liquid outlet pipe body at the preset position through the pipe clamp.

Further, the pipe clamp is a detachable block structure, the pipe clamp has two through holes arranged in parallel, and the liquid inlet pipe body and the liquid outlet pipe body are respectively threaded through the two through holes. hole, wherein the inner wall of the through hole has a plurality of grooves evenly distributed along the circumferential direction, and the outer walls of the liquid inlet pipe body and the liquid outlet pipe body are provided with limiting structures, each of which The limiting structure is provided in one of the grooves on the main body of the liquid inlet pipe or the main body of the liquid outlet pipe to prevent the main body of the liquid inlet pipe and the main body of the liquid outlet pipe from rotating, and The branch liquid inlet port and the branch liquid outlet port are fixed at the preset included angle.

Optionally, the liquid inlet pipe main body includes one end and the other end that are oppositely arranged, the liquid outlet pipe main body includes one end and the other end that are oppositely arranged, and one end of the liquid inlet pipe main body and the liquid outlet pipe main body are One end is arranged on the same side, wherein one end of the liquid inlet pipe body is located above the other end; and the total liquid inlet port and the total liquid outlet port are offset in the extension direction of the liquid inlet pipe body, and the The general liquid inlet port is located between one end of the liquid inlet pipe body and the branch liquid inlet port, and the general liquid outlet port is located between one end of the liquid outlet pipe body and the branch liquid outlet port.

Further, it also includes two exhaust valves and two drainage valves, the two exhaust valves are respectively provided at one end of the liquid inlet pipe body and one end of the liquid outlet pipe body; the two drainage valves They are respectively provided at the other end of the liquid inlet pipe body and the other end of the liquid outlet pipe body.

Optionally, it also includes a total liquid inlet pipeline and a total liquid outlet pipeline. The total liquid inlet pipeline is connected to the total liquid inlet port and provides cooling to the liquid inlet pipe body through the total liquid inlet port. The total liquid outlet pipe is connected to the general liquid outlet port, and the cooling liquid in the liquid outlet pipe body is output through the total liquid outlet port.

Optionally, the main body of the liquid inlet pipe and the main body of the liquid outlet pipe are both PVDF polymer material pipes.

On the other hand, the present invention provides a liquid-cooled cabinet, including a cabinet body and the liquid-cooled cabinet water distributor. The liquid-cooled cabinet water distributor is fixed in the rear cable management area of the cabinet body. At least one node to be cooled is provided in the cabinet. Each node to be cooled has a set of water inlet joints and a return water joint. Each set of the water inlet joints and return water joints extends along the extension of the water distributor of the liquid cooling cabinet. They are arranged at intervals in the direction, and each pair of branch liquid inlet ports and branch liquid outlet ports are arranged correspondingly to a group of the water inlet joints and the return water joints, and the branch liquid inlet ports are connected to the water inlet joints, and the branch liquid outlet ports are arranged at intervals. The port is connected to the return water connector.

Optionally, during operation, the coolant enters the water inlet joint from the branch liquid inlet port of the liquid inlet pipe body, and flows back to the branch liquid outlet port through the return water joint, and then flows from the branch liquid outlet port. Outflow from the main body of the outlet pipe.

Optionally, a plurality of positioning seats are arranged at intervals along the extension direction of the water distributor of the liquid-cooled cabinet on the inner wall of the cabinet in the rear cable management area, and pipe clamps are fixed on the positioning seats so that the entrance The liquid pipe main body and the liquid outlet pipe main body are pre-fixed on the positioning seat through the pipe clamp.

Further, each pair of branch liquid inlet ports and branch liquid outlet ports are staggered in the 2U space.

Further, the branch liquid inlet port and the branch liquid outlet port are each provided with a first quick connector, the water inlet connector and the return water connector are both provided with a second quick connector, and the first quick connector of the branch liquid inlet port is The connector is connected to the second quick connector of the water inlet connector, and the first quick connector of the branch liquid outlet port is connected to the second quick connector of the return water connector.

Further, the first quick connector is a male quick connector, and the second quick connector is a female quick connector.

Compared with the prior art, the present invention has the following beneficial effects:

1. There is an angle between the branch liquid inlet port and the branch liquid outlet port. For servers with large depth in the liquid cooling cabinet, the minimum bending radius of the water inlet pipe and the return pipe can be ensured by adjusting the angle; so The branch liquid inlet port and the branch liquid outlet port are staggered along the extension direction of the liquid inlet pipe body, so that when one of the quick connectors is connected, the plugging and unplugging of the other one is not affected.

2. Two exhaust valves are respectively provided at one end of the liquid inlet pipe body and one end of the liquid outlet pipe body; two drainage valves are respectively provided at the other end of the liquid inlet pipe body and the other end of the liquid outlet pipe body. The other end of the liquid outlet pipe body, wherein one end of the liquid inlet pipe body is located above the other end, so that the drain valve is set at the high point of the liquid inlet pipe body and the drain valve, so that the water separator can be easily drained gas, and also plays the role of pressure relief; the drain valve is set at the low point of the liquid inlet pipe body and the drain valve to discharge impurities at the low position and prevent damage to the fine structure of the quick connector and cold plate of the liquid cooling pipeline.

3. The main body of the liquid inlet pipe and the main body of the liquid outlet pipe are both PVDF polymer material pipes. Compared with the stainless steel pipes in the prior art, the manufacturing process is simple, the mold cost is cheaper, and it is light, easy to assemble and easy to operate and maintain.

4. The branch liquid inlet port and the branch liquid outlet port are both provided with a first quick connector, the water inlet connector and the return water connector are both provided with a second quick connector, and the first quick connector of the branch liquid inlet port is The second quick connector is connected to the water inlet connector, the first quick connector of the branch liquid outlet is connected to the second quick connector of the return water connector, the first quick connector is a male quick connector, and the third quick connector is connected to the second quick connector of the return water connector. The second quick connector is a female quick connector, so that plugging and unplugging the first quick connector can be operated with one hand; the quick connector on the branch liquid inlet port has a first identification mark, and the quick connector on the branch liquid outlet port has a A second identification mark. The first identification mark and the second identification mark are used to distinguish the branch liquid inlet port and the branch liquid outlet port to facilitate subsequent operation and maintenance operations.

5. It also includes a plurality of fixing parts arranged at intervals, and the fixing parts are used to pre-fix the liquid inlet pipe body and the liquid outlet pipe body at a preset position of the liquid cooling cabinet after being parallel and gap-connected; The fixing component includes a pipe clamp and a positioning seat. The pipe clamp fixes the liquid inlet pipe body and the liquid outlet pipe body and adjusts the included angle. The positioning seat is set on the outside of the pipe clamp, and The liquid inlet pipe body and the liquid outlet pipe body are pre-fixed at the preset position through the pipe clamp. A special positioning seat is provided at the end of the cabinet for pre-fixing the water distributor of the liquid-cooled cabinet. The pipe clamps of multiple fixed components finalize the entire liquid-cooled cabinet water distributor, so that the liquid-cooled cabinet water distributor meets the requirements. It meets the needs of convenient maintenance and easy replacement in the computer room.

A liquid cooling cabinet water distributor and a liquid cooling cabinet of the present invention will be described in further detail below. The invention will now be described in more detail with reference to the accompanying drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art may modify the invention described herein while still achieving the advantageous effects of the invention. Therefore, the following description should be understood as being widely known to those skilled in the art and is not intended to limit the present invention.

In the interest of clarity, not all features of an actual embodiment are described. In the following description, well-known functions and constructions are not described in detail since they would obscure the invention with unnecessary detail. It is understood that in the development of any actual embodiment, numerous implementation details must be made to achieve the developer's particular goals, such as changing from one embodiment to another in accordance with relevant system or relevant business constraints. Additionally, it should be appreciated that such development efforts may be complex and time consuming, but are simply routine tasks for those skilled in the art.

In order to make the purpose and features of the present invention more obvious and understandable, specific implementation modes of the present invention will be further described below with reference to the accompanying drawings. It should be noted that the drawings are in a very simplified form and use imprecise ratios, and are only used to conveniently and clearly assist in explaining the embodiments of the present invention.

The first figure is a schematic structural diagram of a liquid cooling cabinet in this embodiment. The second figure is a schematic structural diagram of a water distributor for a liquid-cooled cabinet in this embodiment. As shown in the first and second figures, this embodiment provides a liquid-cooled cabinet. The liquid-cooled cabinet includes a liquid-cooled cabinet water distributor 1 and a cabinet 2. The cabinet 2 is provided with at least one to be cooled. Nodes, all the nodes to be cooled are stacked and arranged in the cabinet 2, wherein a cold plate is provided at each node to be cooled. The cabinet 2 has a rear cable management area, and the liquid-cooled cabinet water distributor 1 is fixed in the rear cable management area of the cabinet 2. Since the overall size of the liquid-cooled cabinet water distributor 1 is small, While the liquid cooling cabinet water distributor 1 is placed in the cabinet 2, it can also ensure that the power supply industrial connector cables in the cabinet 2 pass through, which increases space utilization and reduces the wind resistance for heat dissipation at the rear of the cabinet.

The liquid-cooled cabinet water distributor 1 is used to cool the liquid-cooled cabinet. The liquid-cooled cabinet water distributor 1 includes a liquid inlet pipe body 10 and a liquid outlet pipe body 20 arranged in parallel and with gaps. The liquid inlet pipe body 10 has a general liquid inlet port 11 and a branch liquid inlet port 12 , and the liquid outlet pipe body 20 has a general liquid outlet port 21 and a branch liquid outlet port 22 . The branch liquid inlet port 12 and the branch liquid outlet port 22 are staggered along the extension direction of the liquid inlet pipe body 10. Preferably, along the extension direction of the liquid inlet pipe body 10, the adjacent branches The gap between the liquid port 12 and the branch liquid outlet port 22 is set so that one of the branch liquid inlet ports 12 and branch liquid outlet ports 22 of each group is connected to the node to be cooled, and the other one can be easily plugged in and out.

There is an included angle between the branch liquid inlet port 12 and the branch liquid outlet port 22, and the included angle can be any value between 0° and 180°. The branch liquid inlet port 12 and the branch liquid outlet port 22 are arranged in pairs, and a pair of the branch liquid inlet port 12 and the branch liquid outlet port 22 is connected to a node to be cooled of the liquid cooling cabinet.

When the water distributor of the liquid cooling cabinet is working, the cooling liquid enters the liquid inlet pipe body 10 from the main liquid inlet port 11, flows through the node to be cooled from the branch liquid inlet port 12, and then flows from the node to be cooled. The branch liquid outlet port 22 corresponding to the branch liquid inlet port 12 flows into the liquid outlet pipe body 20 , and then flows out from the main liquid outlet port 21 .

There are multiple branch liquid inlet ports 12 and branch liquid outlet ports 22 , and the numbers of the branch liquid inlet ports 12 and the branch liquid outlet ports 22 are the same, and are greater than or equal to the number of nodes to be cooled.

The branch liquid inlet port 12 and the branch liquid outlet port 22 that need to be connected to the node to be cooled are each provided with a quick connector 60, and the quick connector 60 on the branch liquid inlet port 12 has a first identification mark. The quick connector 60 on the branch liquid port 22 has a second identification mark. The first identification mark and the second identification mark are used to distinguish the branch liquid inlet port 12 and the branch liquid outlet port 22 . The first identification mark and the second identification mark may be colors (for example, the first identification mark is blue and the second identification mark is red), shape marks (for example, the first identification mark is a triangle and the second identification mark is a circle). ), letter marks (for example, the first identification mark is I, the second identification mark is O), etc., to facilitate subsequent operation and maintenance operations. The quick connector 60 can realize quick plugging and unplugging operation with one hand. The branch liquid inlet port 12 and the liquid inlet pipe main body 10, and the branch liquid outlet port 22 and the liquid outlet pipe main body 20 are all connected together through hot melting, which is simpler than the square stainless steel pipe water distributor. , low manufacturing cost. The branch liquid inlet port 12 and the branch liquid outlet port 22 that do not need to be connected to the node to be cooled are both provided with plugs (blocking plugs), and the plugs are used to close the branch liquid inlet port 12 and the branch liquid outlet port 22. Discharge fluid port 22. That is to say, when the number of the branch liquid inlet ports 12 and the branch liquid outlet ports 22 is equal to the number of the nodes to be cooled, each pair of the branch liquid inlet ports 12 and the branch liquid outlet ports 22 passes through the fast The joint 60 connects one node to be cooled; when the number of the branch liquid inlet port 12 and the branch liquid outlet port 22 is greater than the number of the nodes to be cooled, some pairs of the branch liquid inlet port 12 and the branch liquid outlet port 22 are respectively connected to one of the nodes to be cooled through the quick connector 60, and the remaining pairs of branch liquid inlet ports 12 and branch liquid outlet ports 22 are blocked by plugs. Among them, the connection points between the quick connector 60 and the plug with the branch liquid outlet port 22 and the branch liquid inlet port 12 are respectively provided with sealing rings. The sealing rings are, for example, O-rings, so that the quick connector 60 can be connected with the branch liquid outlet port 12 respectively. The sealing between the port 22 and the branch liquid inlet port 12 also realizes the sealing between the plug and the branch liquid outlet port 22 and the branch liquid inlet port 12 .

The fifth figure is a schematic structural diagram of the fixing component of this embodiment. The sixth figure is a schematic structural diagram of the pipe clamp and limiting structure of this embodiment. As shown in the fifth and sixth figures, the liquid cooling cabinet water distributor 1 also includes a plurality of fixed parts arranged at intervals, and the fixed parts are used to connect the liquid inlet pipe body 10 and the liquid outlet pipe body 20 After parallel and gap connection, they are pre-fixed at the preset position of the liquid cooling cabinet. In this embodiment, the liquid cooling cabinet water distributor 1 includes three fixed parts arranged at intervals. The three fixed parts are located near one end, the other end and one end of the liquid inlet pipe body 10 and the liquid outlet pipe body 20. and the other end at equal intervals.

The fixing component includes a pipe clamp 30, which fixes the liquid inlet pipe body 10 and the liquid outlet pipe body 20, and adjusts the included angle. In this embodiment, three pipe clamps 30 fix the liquid inlet pipe body 10 and the liquid outlet pipe body 20 together in advance. When the water separator is large in size and heavy in weight, the fixed components also include a positioning base 70 and a base 80 . The base 80 is fixed on the side wall of the cabinet 2 , and the positioning base 70 is installed on the base 80 , the positioning seat 70 is sleeved on the outside of the pipe clamp 30, and the liquid inlet pipe body 10 and the liquid outlet pipe body 20 are pre-fixed at the preset position through the pipe clamp 30 for alignment. The liquid inlet pipe main body 10 and the liquid outlet pipe main body 20 are pre-positioned. A plurality of positioning seats 70 and bases 80 are arranged at intervals on the inner wall of the cabinet 2 in the rear cable management area along the extension direction of the water distributor 1 of the liquid-cooled cabinet, and a pipe clamp 30 is fixed on the positioning seats 70 , so that the liquid inlet pipe main body 10 and the liquid outlet pipe main body 20 are pre-fixed on the positioning seat 70 through the pipe clamp 30 . The base 80 is disposed snugly on the side wall of the cabinet 2 . Therefore, the shape of the base 80 matches the surface shape of the side wall of the cabinet 2 . The positioning seat 70 is generally L-shaped, and includes a fixing part and a supporting part that are connected to each other. The fixing part is fixed on the base 80 , and the supporting part fixes the pipe clamp 30 .

The pipe clamp 30 is a detachable block structure. The pipe clamp 30 has two through holes arranged in parallel. The liquid inlet pipe main body 10 and the liquid outlet pipe main body 20 are respectively threaded through two of the pipe clamps. in the through hole. Further, the pipe clamp 30 includes two sub-pipe clamps with arc-shaped grooves 31 and two fixing pieces. The two fixing pieces are arranged outside the two sub-pipe clamps. The two sub-pipe clamps The grooves 31 are arranged facing each other to form two through holes. The sub-pipe clamp and the fixing piece are connected through at least two bolts. After the two bolts are pre-positioned on the positioning seat of the pipe clamp 30, tighten all the bolts to complete the final fixation. The entire installation process is simple and easy to operate, and also facilitates the operation and maintenance of the computer room.

The inner wall of the through hole has a plurality of grooves 31 evenly distributed along the circumferential direction. Limiting structures 13 are provided on the outer walls of the liquid inlet pipe body 10 and the liquid outlet pipe body 20. Each of the grooves 31 is disposed on the inner wall of the through hole. The limiting structure 13 is provided in one of the grooves 31 on the liquid inlet pipe body 10 or the liquid outlet pipe body 20 to prevent the liquid inlet pipe body 10 and the liquid outlet pipe body from 20, and fix the branch liquid inlet port 12 and the branch liquid outlet port 22 at the preset included angle. Wherein, the included angle is 0°~180°. When the server has a large depth in the cabinet, adjust the angle between the branch liquid inlet port 12 and the branch liquid outlet port 22 to 0°~90°. Preferably, adjust the angle to 0°, 30° or 60°, which can ensure the minimum bending radius of the return pipe and water inlet pipe of the server cold plate (i.e. cold plate) at the connection with the branch liquid inlet port 12 and the branch liquid outlet port 22, and ensure that the water pipe is not crushed and Increase water flow resistance.

In this embodiment, the included angle can ensure the minimum bending radius of the pipeline connected to the branch liquid inlet port 12 and the branch liquid outlet port 22, and can ensure that the water pipe is not flattened and increases the water flow resistance.

The liquid inlet pipe main body 10 includes one end and the other end that are oppositely arranged, and the liquid outlet pipe main body 20 includes one end and the other end that are oppositely arranged. One end of the liquid inlet pipe main body 10 and the liquid outlet pipe main body 20 One end is arranged on the same side, wherein one end of the liquid inlet pipe body 10 is located above the other end.

The total liquid inlet port 11 and the total liquid outlet port 21 are offset in the extension direction of the liquid inlet pipe body 10 , and the total liquid inlet port 11 is located at one end of the liquid inlet pipe body 10 and the branch. Between the liquid inlet ports 12 , the general liquid outlet port 21 is located between one end of the liquid outlet pipe body 20 and the branch liquid outlet port 22 .

The liquid inlet pipe body 10 and the liquid outlet pipe body 20 are both PVDF polymer material pipes, which are changed from the original stainless steel pipes to PVDF polymer material pipes. The manufacturing process of polymer material pipes is simpler than that of stainless steel pipes, and the mold cost is cheaper. , and it is light, easy to assemble and easy to operate and maintain.

The liquid cooling cabinet water distributor 1 also includes two exhaust valves 51 and two drain valves 52. The two exhaust valves 51 are respectively provided at one end of the liquid inlet pipe body 10 and the liquid outlet pipe. One end of the main body 20; the two drain valves 52 are respectively disposed at the other end of the liquid inlet pipe body 10 and the other end of the liquid outlet pipe body 20, so that the drain valves 52 are disposed between the liquid inlet pipe body 10 and the drainage pipe. The high point of the valve 52 can easily discharge the gas in the water distributor, and at the same time play the role of pressure relief; the drain valve 52 is set at the low point of the liquid inlet pipe body 10 and the drain valve 52, and is used to discharge impurities at the low position. , to prevent damage to the liquid cooling pipeline quick connector 60 and the fine structure of the cold plate.

The liquid-cooled cabinet water distributor 1 also includes a total liquid inlet pipeline 42 and a total liquid outlet pipeline 41. The total liquid inlet pipeline 42 is connected to the total liquid inlet port 11 and passes through the total liquid inlet port. 11 Provide cooling liquid to the liquid inlet pipe body 10 , the total liquid outlet pipe 41 is connected to the total liquid outlet port 21 , and outputs cooling in the liquid outlet pipe body 20 through the total liquid outlet port 21 liquid.

Each node to be cooled includes a water inlet pipe and a return pipe. One end of the water inlet pipe is connected to the cold plate of the node to be cooled, and the other end is provided with a water inlet joint. One end of the return pipe is connected to the cold plate of the node to be cooled. A return pipe is provided at the other end, so that each node to be cooled has a set of water inlet joints and a return water joint, and each set of the water inlet joints and return water joints is spaced along the extension direction of the liquid cooling cabinet water distributor 1 Each pair of branch liquid inlet ports 12 and branch liquid outlet ports 22 is provided correspondingly to a group of the water inlet joints and the return water joints, and the branch liquid inlet ports 12 are connected to the water inlet joints, and the branch liquid outlet ports are connected to the water inlet joints. Port 22 is connected to the return water connector.

When the liquid-cooled cabinet water distributor is working in the liquid-cooled cabinet, the cooling liquid enters the water inlet joint from the branch liquid inlet port 12 of the liquid inlet pipe body 10, and flows back to the branch outlet through the return water joint. The liquid port 22 then flows out from the liquid outlet pipe body 20 to form a cooling circuit, so that the cooling liquid forms a loop in the cooling circuit. The coolant gathers in the liquid-cooled cabinet, and through a set of water inlet joints and return water joints, each node to be cooled is connected to the water distributor 1 of the liquid-cooled cabinet, and then connected to the CDU and taken away through heat exchange. The heat in the cooling equipment (cabinet 2) realizes the heat dissipation needs of cabinet 2.

The third figure is a simple structural schematic diagram of the cabinet body of the liquid cooling cabinet in this embodiment. As shown in the third figure, in this embodiment, the cabinet 2 is a standard cabinet cabinet, and the cabinet 2 includes 4 stacked nodes to be cooled (ie, 2U space) 211, 212, 213 , 214. A power rack 220 is provided between the nodes 212 and 213 to be cooled. Each pair of the branch liquid inlet port 12 and the branch liquid outlet port 22 are staggered in the 2U space. When one of the quick connectors 60 is connected, down without affecting the plugging and unplugging of the other one. Each group of the branch liquid inlet port 12 and the branch liquid outlet port 22 is arranged in a rear line management area of a 2U space, that is, the layout of the branch liquid inlet port 12 and the branch liquid outlet port 22 is according to the layout of the branch liquid inlet port 12 and the branch liquid outlet port 22. The layout of the water joints and return water joints, and where there are no server nodes (nodes to be cooled), there will be no need for the branch liquid inlet port 12 and the branch liquid outlet port 22 to be connected to the water inlet joint and the return water joint respectively. Use plugs to seal. In detail, the branch liquid inlet port 12 and the branch liquid outlet port 22 are both provided with a first quick connector 60, and the water inlet joint and the return water joint are both provided with a second quick connector 60. The branch liquid inlet port is The first quick connector 60 of 12 is connected to the second quick connector 60 of the water inlet connector, and the first quick connector 60 of the branch liquid outlet port 22 is connected to the second quick connector 60 of the return water connector. Among them, the first quick connector 60 is a male quick connector 60, and the second quick connector 60 is a female quick connector 60. The quick connector 60 and the plug can be replaced according to the cabinet configuration to meet the needs of various cabinet configurations. , and arrange the quick connector 60 and the plug position according to the cabinet configuration to meet the heat dissipation needs of different standard cabinets. The same set of water distributor main pipelines can be used in different cabinet layouts, realizing the universality of the water distributor main pipelines.

The fourth figure is a schematic diagram of the position between the liquid inlet and the liquid outlet corresponding to the 2U space in this embodiment. As shown in the fourth figure, please also refer to the second figure. Each of the 2U spaces includes an upper surface of a node and a lower surface of a node. The branch liquid inlet port 12 is located close to the lower surface of the node. The branch liquid outlet port 22 is provided close to the upper surface of the node.

To sum up, the present invention provides a liquid-cooled cabinet water distributor and a liquid-cooled cabinet. The liquid-cooled cabinet water distributor includes a liquid inlet pipe body and a liquid outlet pipe body arranged in parallel and with gaps. The liquid inlet pipe body has a total a liquid inlet port and a branch liquid inlet port; the liquid outlet pipe body has a general liquid outlet port and a branch liquid outlet port; the branch liquid inlet port and the branch liquid outlet port are offset along the extension direction of the liquid inlet pipe body; And there is an included angle between the branch liquid inlet port and the branch liquid outlet port, the branch liquid inlet port and the branch liquid outlet port are arranged in pairs, and a pair of the branch liquid inlet port and the branch liquid outlet port connect the liquid A node to be cooled in the cold cabinet. The invention has an included angle between the branch liquid inlet port and the branch liquid outlet port. For servers with a large depth in the liquid cooling cabinet, the minimum bending radius of the water inlet pipe and the return pipe can be ensured through angle adjustment; The branch liquid inlet port and the branch liquid outlet port are staggered along the extension direction of the liquid inlet pipe body, so that when one of the quick connectors is connected, the plugging and unplugging of the other one is not affected.

Further, two exhaust valves are respectively provided at one end of the liquid inlet pipe body and one end of the liquid outlet pipe body; two drainage valves are respectively provided at the other end of the liquid inlet pipe body and the other end of the liquid inlet pipe body. The other end of the liquid outlet pipe body, wherein one end of the liquid inlet pipe body is located above the other end, so that the drain valve is set at the high point of the liquid inlet pipe body and the drain valve, so that the water distributor can be easily drained It also acts as a pressure relief; the drain valve is set at the low point of the liquid inlet pipe body and the drain valve to discharge impurities at the low level and prevent damage to the fine structure of the quick connector and cold plate of the liquid cooling pipeline.

Furthermore, the main body of the liquid inlet pipe and the main body of the liquid outlet pipe are both PVDF polymer material pipes. Compared with the stainless steel pipes in the prior art, the manufacturing process is simple, the mold cost is cheaper, and it is light, easy to assemble and easy to operate and maintain.

Further, the branch liquid inlet port and the branch liquid outlet port are each provided with a first quick connector, the water inlet connector and the return water connector are both provided with a second quick connector, and the first quick connector of the branch liquid inlet port is The connector is connected to the second quick connector of the water inlet connector, the first quick connector of the branch liquid outlet port is connected to the second quick connector of the return water connector, the first quick connector is a male quick connector, and the The second quick connector is a female quick connector, so that plugging and unplugging the first quick connector can be operated with one hand; the quick connector on the branch liquid inlet port has a first identification mark, and the quick connector on the branch liquid outlet port It has a second identification mark, and the first identification mark and the second identification mark are used to distinguish the branch liquid inlet port and the branch liquid outlet port to facilitate subsequent operation and maintenance operations.

Further, it also includes a plurality of fixed components arranged at intervals, and the fixed components are used to pre-fix the liquid inlet pipe body and the liquid outlet pipe body at a preset position of the liquid cooling cabinet after they are parallel and gap-connected; The fixing component includes a pipe clamp and a positioning seat. The pipe clamp fixes the liquid inlet pipe body and the liquid outlet pipe body and adjusts the included angle. The positioning seat is set on the outside of the pipe clamp. And the liquid inlet pipe body and the liquid outlet pipe body are pre-fixed at the preset position through the pipe clamp. A special positioning seat is provided at the end of the cabinet for pre-fixing the water distributor of the liquid-cooled cabinet. The pipe clamps of multiple fixed components finalize the entire liquid-cooled cabinet water distributor, so that the liquid-cooled cabinet water distributor meets the requirements. It meets the needs of convenient maintenance and easy replacement in the computer room.

In addition, it should be noted that, unless otherwise specified or pointed out, the terms "first" or "second" in the description are only used to distinguish various elements, elements, steps, etc. in the description, and are not used to express The logical relationship or sequential relationship between various components, elements, steps, etc.

Through the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the present invention can be more clearly described, but the scope of the present invention is not limited by the above disclosed preferred embodiments. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the patent for which the present invention is intended.

1: Liquid cooling cabinet water distributor 2: Cabinet 10: Liquid inlet pipe main body 11: Main liquid inlet port 12: Branch liquid inlet port 13:Limiting structure 20:Discharge pipe main body 21: Main liquid outlet port 211,212,213,214: Nodes to be cooled 220:Power rack 22: Branch liquid port 30: Pipe clamp 31: Groove 41: Main liquid outlet pipe 42: Main liquid inlet pipe 51:Exhaust valve 52:Drain valve 60:Quick connector 70: Positioning seat 80: base

The first figure is a schematic structural diagram of a liquid-cooled cabinet according to an embodiment of the present invention; The second figure is a schematic structural diagram of a water distributor for a liquid-cooled cabinet according to an embodiment of the present invention; The third figure is a simplified structural schematic diagram of the cabinet of a liquid-cooled cabinet according to an embodiment of the present invention; The fourth figure is a schematic diagram of the position between the liquid inlet and the liquid outlet corresponding to the 2U space according to an embodiment of the present invention; The fifth figure is a schematic structural diagram of a fixing component according to an embodiment of the present invention; and The sixth figure is a schematic structural diagram of a pipe clamp and a limiting structure according to an embodiment of the present invention.

10: Liquid inlet pipe main body

11: Main liquid inlet port

12: Branch liquid inlet port

20:Discharge pipe main body

21: Main liquid outlet port

22: Branch liquid port

30: Pipe clamp

41: Main liquid outlet pipe

42: Main liquid inlet pipe

51:Exhaust valve

52:Drain valve

60:Quick connector

Claims (20)

A liquid-cooled cabinet water distributor is used to cool a liquid-cooled cabinet. The liquid-cooled cabinet water distributor includes a liquid inlet pipe main body and a liquid outlet pipe body arranged in parallel and with gaps. The liquid inlet pipe main body has a total inlet pipe. The liquid port and a branch liquid inlet port. The liquid outlet pipe main body has a general liquid outlet port and a branch liquid outlet port. The branch liquid inlet port and the branch liquid outlet port are offset along the extension direction of the liquid inlet pipe body. , and there is an included angle between the branch liquid inlet port and the branch liquid outlet port, the branch liquid inlet port and the branch liquid outlet port are arranged in pairs, and the branch liquid inlet port and the branch liquid outlet port are paired It is connected to one of the nodes to be cooled in the liquid cooling cabinet. The liquid-cooled cabinet water distributor as described in claim 1, wherein during operation, the cooling liquid enters the main body of the liquid inlet pipe from the main liquid inlet port, and flows from the branch liquid inlet port through the node to be cooled. It flows from the branch liquid outlet port corresponding to the branch liquid inlet port to the main body of the liquid outlet pipe, and then flows out from the main liquid outlet port. The liquid cooling cabinet water distributor according to claim 1, wherein along the extending direction of the liquid inlet pipe body, there is a gap between the adjacent branch liquid inlet port and the branch liquid outlet port. The liquid cooling cabinet water distributor as described in claim 1, wherein the included angle is 0°~180°. The liquid-cooled cabinet water distributor according to claim 1, wherein the number of the branch liquid inlet port and the branch liquid outlet port is multiple, and the number of the branch liquid inlet port and the branch liquid outlet port are the same, And is greater than or equal to the number of nodes to be cooled. The liquid cooling cabinet water distributor according to claim 5, wherein the branch liquid inlet port and the branch liquid outlet port are both provided with quick connectors, and the quick connector on the branch liquid inlet port has a first identification mark , the quick connector on the branch liquid outlet port has a second identification mark, and the first identification mark and the second identification mark are used to distinguish the branch liquid inlet port and the branch liquid outlet port. The liquid cooling cabinet water distributor as described in claim 6, wherein when the number of the branch liquid inlet port and the branch liquid outlet port is equal to the number of the nodes to be cooled, each pair of the branch liquid inlet port and Each branch liquid outlet port is connected to a node to be cooled through the quick connector; when the number of the branch liquid inlet port and the branch liquid outlet port is greater than the number of the nodes to be cooled, some pairs of the branch liquid inlet port and The branch liquid outlet ports are respectively connected to one of the nodes to be cooled through the quick connector. The remaining pairs of branch liquid inlet ports and the branch liquid outlet ports are each covered with a plug on the quick connector. The plug is used for The branch liquid inlet port and the branch liquid outlet port are closed. The liquid-cooling cabinet water distributor according to claim 1 also includes a plurality of fixed parts arranged at intervals. These fixed parts are used to pre-fix the liquid inlet pipe body and the liquid outlet pipe body in parallel and gap connection. at one of the preset locations in the liquid-cooled cabinet. The liquid-cooling cabinet water distributor according to claim 8, wherein each of the fixed components includes a pipe clamp and a positioning seat. The pipe clamp fixes the liquid inlet pipe body and the liquid outlet pipe body and adjusts the liquid inlet pipe body and the liquid outlet pipe body. The positioning seat cover is arranged outside the pipe clamp, and pre-fixes the liquid inlet pipe body and the liquid outlet pipe body at the preset position through the pipe clamp. The liquid cooling cabinet water distributor according to claim 9, wherein the pipe clamp is a detachable block structure, the pipe clamp has two through holes arranged in parallel, the liquid inlet pipe main body and the liquid outlet pipe main body are respectively penetrated in the two through holes, wherein the inner wall of the through hole has a plurality of grooves evenly distributed along the circumferential direction, and a limiter is provided on the outer wall of the liquid inlet pipe body and the liquid outlet pipe body. structure, each limit structure is set in one of the grooves on the liquid inlet pipe body or the liquid outlet pipe body to prevent the liquid inlet pipe body and the liquid outlet pipe body from rotating, and to prevent the liquid inlet pipe body and the liquid outlet pipe body from rotating, and to prevent the liquid inlet pipe body and the liquid outlet pipe body from rotating. The branch liquid inlet port and the branch liquid outlet port are fixed at the preset position. The liquid cooling cabinet water distributor according to claim 1, wherein the liquid inlet pipe main body includes one end and the other end that are oppositely arranged, the liquid outlet pipe main body includes one end and the other end that are oppositely arranged, and the liquid inlet pipe main body includes one end and the other end that are oppositely arranged. One end and one end of the liquid outlet pipe body are arranged on the same side, wherein one end of the liquid inlet pipe body is located above the other end; the total liquid inlet port and the total liquid outlet port are misaligned in the extension direction of the liquid inlet pipe body The total liquid inlet port is located between one end of the liquid inlet pipe body and the branch liquid inlet port, and the general liquid outlet port is located between one end of the liquid outlet pipe body and the branch liquid outlet port. The liquid-cooled cabinet water distributor according to claim 11 further includes two exhaust valves and two drain valves, and the two exhaust valves are respectively provided at one end of the liquid inlet pipe body and one end of the liquid outlet pipe body; The two drain valves are respectively disposed at the other end of the liquid inlet pipe body and the other end of the liquid outlet pipe body. The liquid cooling cabinet water distributor described in claim 1 also includes a main liquid inlet pipeline and a main liquid outlet pipeline. The main liquid inlet pipeline is connected to the main liquid inlet port and passes through the main liquid inlet port. The port provides cooling liquid to the liquid inlet pipe main body. The main liquid outlet pipe is connected to the main liquid outlet port and outputs the cooling liquid in the liquid outlet pipe main body through the main liquid outlet port. The liquid-cooled cabinet water distributor according to claim 1, wherein the liquid inlet pipe body and the liquid outlet pipe body are both PVDF (polyvinylidene difluoride) polymer material pipes. A liquid-cooled cabinet, including a cabinet, and the liquid-cooled cabinet water distributor according to any one of claims 1 to 14, the liquid-cooled cabinet water distributor is fixed in a rear cable management area of the cabinet , the cabinet is provided with at least one of the above-mentioned nodes to be cooled, each of the nodes to be cooled has a set of a water inlet joint and a return water joint, and each set of the above-mentioned water inlet joints and return water joints are connected along the liquid The water distributor of the cold cabinet is spaced apart in the extension direction, and each branch liquid inlet port is corresponding to the branch liquid outlet port and a set of the above-mentioned water inlet joints and return joints, and the branch liquid inlet port is connected to the water inlet port. Connector, the liquid outlet port of this branch is connected to the return water connector. The liquid-cooled cabinet as described in claim 15, wherein during operation, the coolant enters the water inlet joint from the branch liquid inlet port of the liquid inlet pipe body, and flows back to the branch liquid outlet through the return water joint. port, and then flow out from the main body of the outlet pipe. The liquid-cooled cabinet as described in claim 15, wherein the positioning seats are arranged at intervals on the inner wall of the cabinet in the rear cable management area along the extension direction of the water distributor of the liquid-cooling cabinet, and the pipe clamp is fixed on the positioning On the seat, the main body of the liquid inlet pipe and the main body of the liquid outlet pipe are pre-fixed on the positioning seat through the pipe clamp. The liquid cooling cabinet of claim 17, wherein the liquid inlet port of each branch and the liquid outlet port of each branch are staggered within a 2U space. The liquid cooling cabinet of claim 17, wherein the branch liquid inlet port and the branch liquid outlet port are each provided with a first quick connector, and the water inlet connector and the return water connector are each provided with a second quick connector, The first quick connector of the branch liquid inlet port is connected to the second quick connector of the water inlet connector, and the first quick connector of the branch liquid outlet port is connected to the second quick connector of the return water connector. The liquid cooling cabinet of claim 19, wherein the first quick connector is a male quick connector, and the second quick connector is a female quick connector.

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