An internal self-circulating liquid cooling system

Abstract

This utility model discloses an internally self-circulating liquid cooling system, comprising: a first cavity, the interior of which forms a first immersion space, and the top of which forms an immersion opening. The first immersion space is used to contain a first heat-conducting liquid and also to contain a server so that the server is immersed in the first heat-conducting liquid. A first circulation opening is provided on the inner wall of the first cavity near the immersion opening, and a second circulation opening is provided on the inner wall of the first cavity near the bottom of the first cavity. The size and shape of the first immersion space correspond to the server. A heat exchange component is disposed outside the first cavity and along the height direction of the first cavity. The heat exchange component has a circulating heat exchange channel formed inside, the upper end of which is connected to the first circulation opening, and the lower end of which is connected to the second circulation opening. This utility model can save a large amount of liquid cooling fluid and is more energy-efficient and environmentally friendly.

Description

Technical Field

[0001] This utility model relates to the field of immersion liquid cooling technology, and in particular to an internally self-circulating liquid cooling system. Background Technology

[0002] In the cooling process of data centers, a large portion of data centers still use air cooling to dissipate heat from servers. However, with the significant increase in the computing power of data center servers, the heat density of data center servers is also increasing. Traditional air cooling can no longer meet the heat dissipation requirements of data centers. Many data centers now use immersion liquid cooling technology, which involves immersing servers in liquid cooling fluid. The liquid cooling fluid circulates and exchanges heat with external cold sources to dissipate heat from the servers. In order to immerse the servers in liquid cooling fluid, the liquid cooling fluid needs to fill the entire immersion cavity. Therefore, a huge amount of liquid cooling fluid is required during use. In addition, due to the large size of the entire immersion cavity, the heat transfer through conduction and convection of the liquid cooling fluid is insufficient. Due to the insufficient heat transfer through convection, the heat exchange efficiency is low during the circulation of the liquid cooling fluid. Since convection does not occur in many areas inside, the working fluid in many areas does not participate in the circulation, which affects the heat exchange efficiency. Moreover, the circulation of the liquid cooling fluid requires the intervention of pump driving force. Utility Model Content

[0003] This invention provides an internally self-circulating liquid cooling system that can significantly save on liquid cooling fluid and is more energy-efficient and environmentally friendly.

[0004] To solve the above-mentioned technical problems, this utility model provides an internally self-circulating liquid cooling system, comprising:

[0005] A first cavity has a first immersion space inside and an immersion opening at the top. The first immersion space is used to contain a first heat-conducting liquid and also to contain a server so that the server is immersed in the first heat-conducting liquid. A first circulation opening is provided on the inner wall of the first cavity near the immersion opening, and a second circulation opening is provided on the inner wall of the first cavity near the bottom. The size and shape of the first immersion space correspond to the server.

[0006] A heat exchange component is disposed outside the first cavity and along the height direction of the first cavity. A circulating heat exchange channel is formed inside the heat exchange component. The upper end of the circulating heat exchange channel is connected to the first circulating opening, and the lower end of the circulating heat exchange channel is connected to the second circulating opening.

[0007] As a preferred embodiment of the above technical solution, the first cavity is a rectangular cavity.

[0008] As a preferred embodiment of the above technical solution, the heat exchange component is a circular straight tube, the circular straight tube is made of a heat-conducting material, the internal channel of the circular straight tube is the circulating heat exchange channel, and multiple circular straight tubes are evenly distributed on each outer surface of the rectangular cavity.

[0009] As a preferred embodiment of the above technical solution, the internally self-circulating liquid cooling system further includes a first box and a second box. The first box and the second box are fixed to the outer wall of the first cavity. The first box and the second box correspond to the first circulation opening and the second circulation opening, respectively, and the internal spaces of the first box and the second box are connected to the first immersion space through the first circulation opening and the second circulation opening, respectively. The two ends of the circular straight tube are fixedly connected to the first box and the second box, respectively, and the internal channel of the circular straight tube is connected to the internal spaces of the first box and the second box.

[0010] As a preferred embodiment of the above technical solution, the first box and the second box are rectangular boxes, and the first box and the second box are arranged in parallel. The upper end of the circular straight tube is fixedly connected to the bottom of the first box, and the lower end of the circular straight tube is fixedly connected to the top of the second box.

[0011] As a preferred embodiment of the above technical solution, hanging plates are symmetrically arranged on both sides of the inner wall of the first immersion space, and the hanging plates are located below the first circulation opening.

[0012] As a preferred embodiment of the above technical solution, a wire-passing port is provided at the top of the first cavity and at the immersion opening.

[0013] As a preferred embodiment of the above technical solution, the internally self-circulating liquid cooling system further includes a second cavity, the interior of which forms a second immersion space for containing a second heat-conducting liquid. At least a portion of the first cavity and the heat exchange component are located in the second immersion space so that the second heat-conducting liquid comes into contact with the heat exchange component.

[0014] As a preferred embodiment of the above technical solution, a power distribution box is provided on the top of the second cavity.

[0015] As a preferred embodiment of the above technical solution, the inner wall of the second cavity is provided with a reinforcing frame, and the second cavity is provided with a first opening and a second opening. The first opening and the second opening are connected to the second immersion space. The first opening is close to the top of the second cavity, and the second opening is close to the bottom of the second cavity.

[0016] This invention provides an internally self-circulating liquid cooling system, comprising a first cavity and a heat exchange component. Inside the first cavity, a first immersion space is formed, the size and shape of which correspond to that of a server. The server is placed in the first immersion space, and a first heat-conducting liquid, which is an insulating heat-conducting liquid, is poured into the first immersion space. The liquid level of the first heat-conducting liquid is slightly higher than the first circulation opening. During operation, the server generates heat, which is transferred to the first heat-conducting liquid. As the temperature of the first heat-conducting liquid rises, it generates buoyancy and rises. The rising first heat-conducting liquid can enter the circulation system of the heat exchange component through the first circulation opening. The circular heat exchange channel allows heat exchange components to exchange heat with an external cold source. During the heat exchange process, the first heat transfer fluid inside the circulating heat exchange channel can be cooled. After cooling, the first heat transfer fluid, due to its increased density, will flow back to the bottom of the first immersion space from the second circulation opening under the influence of gravitational potential energy after descending. This allows the first heat transfer fluid to complete its self-circulation without the need for external power intervention. In addition, a small amount of the first heat transfer fluid is sufficient to immerse the server, saving costs. Furthermore, a small amount of the first heat transfer fluid allows the first heat transfer fluid in the main heating area to heat up quickly and then rapidly achieve self-circulation.

[0017] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, specific embodiments of this utility model are given below. Attached Figure Description

[0018] Figure 1 A schematic diagram of the external appearance of an internally self-circulating liquid cooling system in this embodiment is shown;

[0019] Figure 2 A partial cross-sectional view of an internally self-circulating liquid cooling system in this embodiment is shown;

[0020] Figure 3 A three-dimensional structural schematic diagram of the first cavity in this embodiment is shown;

[0021] Figure 4 A partial cross-sectional view of the first cavity in this embodiment is shown;

[0022] In the diagram: 10, First cavity; 20, First box; 30, Heat exchange component; 40, Second box; 50, Hanging plate; 60, Second cavity; 70, Distribution box; 80, Reinforcing frame; 101, First immersion space; 102, Cable outlet; 103, First circulation opening; 104, Immersion opening; 105, Second circulation opening; 601, First opening; 602, Second opening; 603, Second immersion space. Detailed Implementation

[0023] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] See Figures 1 to 4 This utility model embodiment provides an internally self-circulating liquid cooling system, comprising:

[0025] A first cavity 10 has a first immersion space 101 formed inside it. An immersion opening 104 is formed at the top of the first cavity 10. The first immersion space 101 is used to contain a first heat-conducting liquid and also to contain a server so that the server is immersed in the first heat-conducting liquid. A first circulation opening 103 is provided on the inner wall of the first cavity 10 near the immersion opening 104. A second circulation opening 105 is provided on the inner wall of the first cavity 10 near the bottom of the first cavity 10. The size and shape of the first immersion space 101 correspond to the server.

[0026] The heat exchange component 30 is disposed outside the first cavity 10 and along the height direction of the first cavity 10. A circulating heat exchange channel is formed inside the heat exchange component 30. The upper end of the circulating heat exchange channel is connected to the first circulating opening 103, and the lower end of the circulating heat exchange channel is connected to the second circulating opening 105.

[0027] This embodiment provides an internally self-circulating liquid cooling system, which includes a first cavity 10 and a heat exchange component 30. A first immersion space 101, with dimensions and shape corresponding to a server, is formed inside the first cavity 10. The server is placed in the first immersion space 101, and a first heat-conducting liquid, which is an insulating heat-conducting liquid, is poured into the first immersion space 101. The liquid level of the first heat-conducting liquid is slightly higher than the first circulation opening 103. During operation, the server generates heat, which is transferred to the first heat-conducting liquid. As the temperature of the first heat-conducting liquid rises, it generates buoyancy and rises. The rising first heat-conducting liquid can enter the heat exchange component 30 through the first circulation opening 103. The heat exchanger 30 has a circulating heat exchange channel. The heat exchanger 30 can exchange heat with an external cold source. During the heat exchange process, the first heat transfer fluid inside the circulating heat exchange channel can be cooled. After cooling, the first heat transfer fluid will flow back to the bottom of the first immersion space 101 from the second circulation opening 105 due to the increased density under the influence of gravitational potential energy. It can complete the self-circulation of the first heat transfer fluid without the intervention of external power. In addition, a small amount of the first heat transfer fluid can be added to immerse the server, saving costs. Furthermore, a small amount of the first heat transfer fluid allows the first heat transfer fluid in the main heat-generating area to heat up quickly and then quickly achieve rapid self-circulation of the first heat transfer fluid.

[0028] Of course, in this embodiment, a power mechanism can also be provided in the first cavity 10. The power mechanism can be set at any preset position in the first cavity 10, such as inside the first immersion space 101. The power mechanism can be any mechanism in the prior art that can promote the convection effect of the first heat-conducting liquid in the first immersion space 101.

[0029] In this embodiment, the first heat-conducting fluid can be any insulating working fluid that can conduct heat, as is available in the prior art.

[0030] In a further embodiment of this invention, the first cavity 10 is a rectangular cavity.

[0031] In a further embodiment of this invention, the heat exchange component 30 is a circular straight tube, the circular straight tube is made of heat-conducting material, the internal channel of the circular straight tube is a circulating heat exchange channel, and multiple circular straight tubes are evenly distributed on each outer surface of the rectangular cavity.

[0032] In this embodiment, multiple circular straight tubes are evenly distributed on each outer surface to increase the heat exchange area.

[0033] In a further embodiment of this invention, the internally self-circulating liquid cooling system further includes a first housing 20 and a second housing 40. The first housing 20 and the second housing 40 are fixed on the outer wall of the first cavity 10. The first housing 20 and the second housing 40 correspond to the first circulation opening 103 and the second circulation opening 105, respectively. The internal spaces of the first housing 20 and the second housing 40 are connected to the first immersion space 101 through the first circulation opening 103 and the second circulation opening 105, respectively. The two ends of the circular straight tube are fixedly connected to the first housing 20 and the second housing 40, respectively. The internal channel of the circular straight tube is connected to the internal spaces of the first housing 20 and the second housing 40.

[0034] The arrangement of the first box 20 and the second box 40 in this embodiment makes it easier to fix and install the circular straight tube. In addition, it can also make it more conducive to the self-circulation of the first heat transfer fluid.

[0035] In a further embodiment of this example, the first box 20 and the second box 40 are rectangular boxes, and the first box 20 and the second box 40 are arranged in parallel. The upper end of the circular straight tube is fixedly connected to the bottom of the first box 20, and the lower end of the circular straight tube is fixedly connected to the top of the second box 40.

[0036] In this embodiment, the first box 20 and the second box 40 are arranged in parallel, which makes the circulation of the first heat transfer fluid in the whole system more stable.

[0037] In a further embodiment of this invention, hanging plates 50 are symmetrically arranged on both sides of the inner wall of the first immersion space 101, and the hanging plates 50 are located below the first circulation opening 103.

[0038] In this embodiment, the mounting plate 50 is used to mount the server, and the mounting plate 50 is located below the first circulation opening 103 so that the main heat source of the server is immersed in the first heat-conducting liquid.

[0039] In a further embodiment of this invention, a wire-passing port 102 is provided at the top of the first cavity 10 and at the immersion opening 104.

[0040] In this embodiment, the wire pass 102 is used to hold various wires, etc.

[0041] In a further embodiment of this invention, the internally self-circulating liquid cooling system further includes a second cavity 60, the interior of which is formed a second immersion space 603. The second immersion space 603 is used to contain a second heat-conducting liquid, and at least a portion of the first cavity 10 and the heat exchange component 30 are located in the second immersion space 603 so that the second heat-conducting liquid is in contact with the heat exchange component 30.

[0042] In this embodiment, both the first cavity 10 and the heat exchange component 30 are immersed in the second heat-conducting liquid. In this embodiment, the heat exchange component 30 is a circular straight tube, so that the second heat-conducting liquid is in contact with the outer wall of the first cavity 10 and the outer wall of the heat exchange component 30, and the second heat-conducting liquid exchanges heat with the outer wall of the first cavity 10 and the outer wall of the heat exchange component 30. In this embodiment, the first cavity 10 is made of a heat-conducting material.

[0043] In a further embodiment of this invention, a power distribution box 70 is provided on the top of the second cavity 60.

[0044] In a further embodiment of this invention, the inner wall of the second cavity 60 is provided with a reinforcing frame 80, and the second cavity 60 is provided with a first opening 601 and a second opening 602. The first opening 601 and the second opening 602 are in communication with the second immersion space 603. The first opening 601 is close to the top of the second cavity 60, and the second opening 602 is close to the bottom of the second cavity 60.

[0045] In this embodiment, during operation, the first opening 601 and the second opening 602 are connected to an external cold source. The second heat transfer fluid is circulated by a pump to transfer heat to the external cold source. In this embodiment, the second heat transfer fluid is water.

[0046] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. Furthermore, the described specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0047] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0048] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An internally self-circulating liquid cooling system, characterized in that, include: A first cavity has a first immersion space inside and an immersion opening at the top. The first immersion space is used to contain a first heat-conducting liquid and also to contain a server so that the server is immersed in the first heat-conducting liquid. A first circulation opening is provided on the inner wall of the first cavity near the immersion opening, and a second circulation opening is provided on the inner wall of the first cavity near the bottom. The size and shape of the first immersion space correspond to the server. A heat exchange component is disposed outside the first cavity and along the height direction of the first cavity. A circulating heat exchange channel is formed inside the heat exchange component. The upper end of the circulating heat exchange channel is connected to the first circulating opening, and the lower end of the circulating heat exchange channel is connected to the second circulating opening.

2. The internally self-circulating liquid cooling system according to claim 1, characterized in that, The first cavity is a rectangular cavity.

3. The internally self-circulating liquid cooling system according to claim 2, characterized in that, The heat exchange component is a circular straight tube, the circular straight tube is made of thermally conductive material, the internal channel of the circular straight tube is the circulating heat exchange channel, and multiple circular straight tubes are evenly distributed on each outer surface of the rectangular cavity.

4. The internally self-circulating liquid cooling system according to claim 3, characterized in that, The internally self-circulating liquid cooling system further includes a first box and a second box, which are fixed to the outer wall of the first cavity. The first box and the second box correspond to the first circulation opening and the second circulation opening, respectively, and the internal spaces of the first box and the second box are connected to the first immersion space through the first circulation opening and the second circulation opening, respectively. The two ends of the circular straight tube are fixedly connected to the first box and the second box, respectively, and the internal channel of the circular straight tube is connected to the internal spaces of the first box and the second box.

5. The internally self-circulating liquid cooling system according to claim 4, characterized in that, The first box and the second box are rectangular boxes, and the first box and the second box are arranged in parallel. The upper end of the circular straight tube is fixedly connected to the bottom of the first box, and the lower end of the circular straight tube is fixedly connected to the top of the second box.

6. The internally self-circulating liquid cooling system according to claim 1, characterized in that, The inner walls of the first immersion space are symmetrically provided with hanging plates on both sides, and the hanging plates are located below the first circulation opening.

7. The internally self-circulating liquid cooling system according to claim 1, characterized in that, A wire-passing port is provided at the top of the first cavity and at the immersion opening.

8. The internally self-circulating liquid cooling system according to any one of claims 1 to 7, characterized in that, The internally self-circulating liquid cooling system further includes a second cavity, the interior of which forms a second immersion space for containing a second heat-conducting liquid. At least a portion of the first cavity and the heat exchange component are located in the second immersion space such that the second heat-conducting liquid is in contact with the heat exchange component.

9. The internally self-circulating liquid cooling system according to claim 8, characterized in that, A power distribution box is installed at the top of the second cavity.

10. The internally self-circulating liquid cooling system according to claim 8, characterized in that, The inner wall of the second cavity is provided with a reinforcing frame. The second cavity is provided with a first opening and a second opening. The first opening and the second opening are connected to the second immersion space. The first opening is close to the top of the second cavity, and the second opening is close to the bottom of the second cavity.

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