A server integral parallel flow cold plate liquid cooling system

Abstract

The utility model discloses an integral parallel-flow cold plate liquid cooling system for a server, comprising a base plate, and an upwardly extending enclosure around the periphery of the base plate, and the connections between the enclosure plates are laser welded, and a cover plate is arranged above the enclosure plate, and a cooling cavity is formed between the cover plate, the enclosure plate and the cover plate, and a partition plate is arranged in the cooling cavity to divide the cooling cavity into two independent cooling sub-cavities, and a liquid inlet pipe and a liquid outlet pipe connected to the cooling sub-cavity are arranged on the enclosure plate, and the two liquid inlet pipes are connected via a liquid inlet main pipe, and a pressure regulating mechanism is arranged on the liquid inlet main pipe; the utility model can inject circulating coolant into each cooling sub-cavity through the liquid inlet main pipe for cooling, thereby ensuring a good heat dissipation and cooling effect, and a pressure regulating mechanism is arranged on the liquid inlet main pipe to regulate the pressure of the circulating coolant, thereby eliminating the pressure change caused by the volume change caused by the thermal expansion and contraction of the coolant, and avoiding damage to the pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field related to server heat dissipation, in particular to an integral parallel-flow cold plate liquid cooling system for a server. Background Art

[0002] In a typical computer server ("server"), multiple computer server modules ("modules") are stacked together on a cabinet or in a housing to concentrate network resources and minimize the use of floor space. The typical characteristics of modules designed for use in server construction are that the motherboard includes heat-generating electronic components (such as IC devices) installed in a modular chassis or housing, and the module is in turn installed on a rack, blade server cabinet, blade server, or other supporting structure together with other similar modules. In practice, multiple servers (each containing multiple modules) are typically installed in an enclosed space, such as a server room or data center. During operation, the electronic components in a single module generate heat, which must be dissipated for the efficient operation of the server. However, existing radiators can damage the copper tubes due to the thermal expansion and contraction of the coolant when dissipating heat, and are prone to damage. Utility Model Content

[0003] In order to solve the defect in the prior art that the radiator may damage the copper tube due to the thermal expansion and contraction of the coolant when dissipating heat, and the damage is easy to cause, the utility model provides a server integral parallel flow cold plate liquid cooling system.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses a server integral parallel flow cold plate liquid cooling system, comprising a base plate, and a surrounding plate with an upward periphery of the base plate, and the connecting parts of the surrounding plates are laser welded, and a cover plate is arranged above the surrounding plate, and a cooling cavity is formed between the cover plate, the surrounding plate and the cover plate, and a partition plate is arranged in the cooling cavity to divide the cooling cavity into two independent cooling sub-cavities, and a liquid inlet pipe and a liquid outlet pipe communicating with the cooling sub-cavities are arranged on the surrounding plate, and the two liquid inlet pipes are connected via a liquid inlet main pipe, a pressure regulating mechanism is arranged on the liquid inlet main pipe, and the two liquid outlet pipes are connected via a liquid outlet main pipe;

[0006] A heat sink is installed on the upper surface of the substrate, and a plurality of heat sink fins are arranged on the heat sink. The lower surface of the substrate is a flat surface, and a heating element is installed on the lower surface of the substrate.

[0007] As a preferred technical solution of the utility model, the base plate is provided with a plurality of convex strips extending into the cooling cavity.

[0008] As a preferred technical solution of the utility model, a plurality of heat collecting strips extending into the cooling cavity are provided on the inner wall of the cover plate.

[0009] As a preferred technical solution of the utility model, the pressure regulating mechanism includes a regulating tank connected to the liquid inlet main pipe, a piston block moving along the inner cavity of the regulating tank is provided in the regulating tank, and a rubber sealing ring for sealing the connection between the regulating tank and the piston block is provided on the piston block, and a pressure airbag is provided between the piston block and the regulating tank.

[0010] As a preferred technical solution of the utility model, the tail of the regulating tank is threadedly connected with a rear cover.

[0011] As a preferred technical solution of the present invention, the base plate, the enclosure plate and the cover plate are all made of heat-conducting metal material.

[0012] As a preferred technical solution of the utility model, the connection between the enclosure and the cover plate is connected by laser seamless welding.

[0013] The beneficial effects of the utility model are:

[0014] In this server integral parallel-flow cold plate liquid cooling system, the cooling chamber is divided into two independent cooling sub-chambers by a partition plate, and circulating coolant can be injected into each cooling sub-chamber through a liquid inlet main pipe for cooling, thereby ensuring a good heat dissipation and cooling effect. A pressure regulating mechanism is provided on the liquid inlet main pipe to regulate the pressure of the circulating coolant, thereby eliminating the pressure change caused by the volume change due to thermal expansion and contraction of the coolant and avoiding damage to the pipeline.

[0015] In this server integral parallel flow cold plate liquid cooling system, a plurality of convex strips extending into the cooling cavity are provided on the base plate, and a plurality of heat collecting strips extending into the cooling cavity are provided on the inner wall of the cover plate, so that a larger heat exchange area is provided between the coolant and the coolant, thereby achieving better heat dissipation efficiency and effect.

[0016] This type of server integral parallel flow cold plate liquid cooling system automatically adjusts the pipeline pressure by setting up a pressure regulating mechanism with a specific structure. It has the characteristics of simple function and easy installation and disassembly. The capacity of the tank is adjusted by the expansion and contraction of the pressure airbag, thereby regulating the pipeline pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1This is a structural schematic diagram of a server integral parallel flow cold plate liquid cooling system of the utility model;

[0019] Figure 2 It is a structural schematic diagram of a base plate of a server integral parallel flow cold plate liquid cooling system of the utility model;

[0020] Figure 3 It is a structural schematic diagram of a cover plate of a server integral parallel flow cold plate liquid cooling system of the utility model;

[0021] Figure 4 The utility model is a structural schematic diagram of a pressure regulating mechanism of a server integral parallel flow cold plate liquid cooling system.

[0022] In the figure: 1. base plate; 2. enclosure; 3. cover plate; 4. liquid inlet pipe; 5. liquid outlet pipe; 6. liquid inlet main pipe; 7. liquid outlet main pipe; 8. pressure regulating mechanism; 9. heat sink; 10. heat sink fin; 11. convex strip; 12. heat collecting strip; 13. regulating tank; 14. piston block; 15. rubber sealing ring; 16. pressure airbag; 17. rear cover; 18. partition plate. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model is a server integral parallel flow cold plate liquid cooling system, comprising a base plate 1, and a peripheral enclosure 2 of the base plate 1 is upward, and the connection between the enclosure 2 is laser welded, and a cover plate 3 is arranged above the enclosure 2, and a cooling cavity is formed between the cover plate 3, the enclosure 2 and the cover plate 3, and a partition plate 18 is arranged in the cooling cavity to divide the cooling cavity into two independent cooling sub-cavities, and the enclosure 2 is provided with a liquid inlet pipe 4 and a liquid outlet pipe 5 communicating with the cooling sub-cavity, and the two liquid inlet pipes 4 are connected via a liquid inlet main pipe 6, and a pressure regulating mechanism 8 is provided on the liquid inlet main pipe 6, and the two liquid outlet pipes 5 are connected via a liquid outlet main pipe 7;

[0025] The upper surface of the substrate 1 is provided with a heat sink 9, on which a plurality of heat sink fins 10 are arranged, and the lower surface of the substrate 1 is a flat surface, and the heating element is arranged on the lower surface of the substrate 1. The cooling chamber is divided into two independent cooling sub-chambers by a partition plate, and circulating coolant can be injected into each cooling sub-chamber through a liquid inlet pipe 6 for cooling, thereby ensuring a good heat dissipation and cooling effect, and a pressure regulating mechanism 8 is arranged on the liquid inlet pipe 6 to regulate the pressure of the circulating coolant, thereby eliminating the pressure change caused by the volume change caused by the thermal expansion and contraction of the coolant, and avoiding damage to the pipeline.

[0026] The base plate 1 is provided with a plurality of convex strips 11 extending into the cooling cavity. The inner wall of the cover plate 3 is provided with a plurality of heat collecting strips 12 extending into the cooling cavity. Thus, a larger heat exchange area is provided between the cover plate 3 and the cooling liquid, thereby achieving better heat dissipation efficiency and effect.

[0027] The pressure regulating mechanism 8 includes a regulating tank 13 connected to the liquid inlet main pipe 6, a piston block 14 is provided in the regulating tank 13 and moves along the inner cavity of the regulating tank 13, and a rubber sealing ring 15 is provided on the piston block 14 for sealing the connection between the regulating tank 13 and the piston block 14, and a pressure air bag 16 is provided between the piston block 14 and the regulating tank 13. The automatic regulation of pipeline pressure is achieved by setting a pressure regulating mechanism 8 with a specific structure, which has the characteristics of simple results and easy installation and disassembly, wherein the capacity of the regulating tank 13 is adjusted by the expansion and contraction of the pressure air bag 16, thereby playing a role in regulating the pipeline pressure.

[0028] The tail of the regulating tank 13 is threadedly connected with a rear cover 17, which is convenient for disassembly and operation of the pressure airbag.

[0029] The base plate 1, the enclosure plate 2 and the cover plate 3 are all made of heat-conducting metal materials. The connection between the enclosure plate 2 and the cover plate 3 is seamlessly connected by laser welding.

[0030] When working, the server's overall parallel-flow cold plate liquid cooling system has a partition that divides the cooling chamber into two independent cooling sub-chambers, and can inject circulating coolant into each cooling sub-chamber through the liquid inlet main pipe 6 for cooling, thereby ensuring a good heat dissipation and cooling effect. A pressure regulating mechanism 8 is provided on the liquid inlet main pipe 6, which adjusts the capacity of the regulating tank 13 by the expansion and contraction of the pressure airbag 16, thereby playing a role in regulating the pipeline pressure, and regulating the pressure of the circulating coolant, thereby eliminating the pressure change caused by the volume change caused by the thermal expansion and contraction of the coolant, and avoiding damage to the pipeline.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A server integral parallel flow cold plate liquid cooling system, characterized in that: The invention comprises a base plate (1), a peripheral enclosure (2) of the base plate (1) facing upward, and the connection points of the enclosure (2) are laser welded, and a cover plate (3) is arranged above the enclosure (2), and a cooling cavity is formed between the cover plate (3), the enclosure (2) and the cover plate (3), and a partition plate (18) is arranged in the cooling cavity to divide the cooling cavity into two independent cooling sub-cavities, and the enclosure (2) is provided with a liquid inlet pipe (4) and a liquid outlet pipe (5) communicating with the cooling sub-cavities, and the two liquid inlet pipes (4) are connected via a liquid inlet main pipe (6), and a pressure regulating mechanism (8) is arranged on the liquid inlet main pipe (6), and the two liquid outlet pipes (5) are connected via a liquid outlet main pipe (7); A heat sink (9) is mounted on the upper surface of the substrate (1), a plurality of heat sink fins (10) are provided on the heat sink (9), and the lower surface of the substrate (1) is a flat surface, and a heating element is mounted on the lower surface of the substrate (1).

2. The server integral parallel flow cold plate liquid cooling system according to claim 1, characterized in that: The base plate (1) is provided with a plurality of convex strips (11) extending into the cooling cavity.

3. The server integral parallel flow cold plate liquid cooling system according to claim 1, characterized in that: The inner wall of the cover plate (3) is provided with a plurality of heat collecting strips (12) extending into the cooling cavity.

4. The server integral parallel flow cold plate liquid cooling system according to claim 2, characterized in that: The pressure regulating mechanism (8) comprises a regulating tank (13) connected to a liquid inlet main pipe (6), a piston block (14) is provided in the regulating tank (13) and moves along the inner cavity of the regulating tank (13), a rubber sealing ring (15) is provided on the piston block (14) and is used to seal the connection between the regulating tank (13) and the piston block (14), and a pressure air bag (16) is provided between the piston block (14) and the regulating tank (13).

5. The server integral parallel flow cold plate liquid cooling system according to claim 4, characterized in that: The tail of the regulating tank (13) is threadedly connected to a rear cover (17).

6. The server integral parallel flow cold plate liquid cooling system according to claim 5, characterized in that: The base plate (1), the enclosure plate (2) and the cover plate (3) are all made of heat-conducting metal material.

7. The server integral parallel flow cold plate liquid cooling system according to claim 6, characterized in that: The connection between the enclosure plate (2) and the cover plate (3) is achieved by seamless laser welding.

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