Direct-cooling connected liquid cooling system

Abstract

The utility model discloses a liquid cooling system with direct cooling connection, comprising a liquid cooling plate assembly, the liquid cooling plate assembly comprises more than two groups of liquid cooling plate branches, and each liquid cooling plate branch is provided with a fast plug socket; the direct cooling type liquid cooling pipeline comprises an L-shaped quick-plug connector, at least one T-shaped quick-plug connector and a hydraulic connector which are sequentially connected through communicating pipes; the quick-plug socket of each liquid cooling plate branch is connected with the corresponding T-shaped quick-plug connector in an inserted mode or connected with the corresponding T-shaped quick-plug connector in an inserted mode so that the liquid cooling plate branches can be communicated with the direct-cooling type liquid cooling pipeline. According to the utility model, rapid and convenient connection between the liquid cooling plate branch and the direct cooling type liquid cooling pipeline is realized by adopting connection between the connecting plugs and the rapid plug sockets, and the connection mode not only simplifies the assembly process, but also can effectively absorb tolerance.

Description

Technical Field

[0001] The utility model relates to the technical field related to liquid cooling, in particular to a liquid cooling system with direct cooling connection. Background Art

[0002] With the rapid development of battery technology, battery thermal management technology, as a key link to ensure the safe and efficient operation of battery systems, has received increasing attention from the industry. Among them, liquid cooling and liquid heating solutions are widely used in battery thermal management due to their excellent heat dissipation performance. However, the current liquid cooling and liquid heating solutions mainly rely on the expansion connection of nylon tubes, which has obvious limitations when dealing with high working pressures.

[0003] Specifically, the bursting pressure of the nylon tube expansion connection solution is generally around 2MPa. However, in the direct cooling thermal management solution, the actual working pressure of the system is often in the range of 1-2MPa, and sometimes even higher. This means that the existing nylon tube expansion connection solution is difficult to meet the safety requirements of the direct cooling thermal management solution for higher bursting pressure. Once the pipeline cannot withstand the working pressure and bursts, it may cause serious damage to the battery system and even cause a safety accident.

[0004] To solve this problem, the industry has tried a variety of solutions, among which metal welding is a common one. Metal welding can ensure that the pipe joints have sufficient strength and sealing to meet the requirements of high burst pressure. However, metal welding also has a problem that cannot be ignored: it cannot effectively absorb tolerances when installing the connection.

[0005] Since tolerances are inevitable in the manufacturing and assembly process of the battery liquid cooling system, the metal welding connection method cannot effectively absorb these tolerances, resulting in assembly difficulties. This not only increases the manufacturing cost, but may also affect the overall performance of the battery liquid cooling system. Utility Model Content

[0006] In order to overcome at least one of the defects of the prior art, the utility model provides a liquid cooling system with direct cooling connection, which can change the traditional welding into a quick-connection joint, which can meet the high bursting pressure requirements, effectively absorb the tolerance, and simplify the installation difficulty.

[0007] The technical solution adopted by the utility model to solve the problem is:

[0008] A liquid cooling system with direct cooling connection, comprising: a liquid cooling plate assembly, the liquid cooling plate assembly comprising more than two groups of liquid cooling plate branches, each of the liquid cooling plate branches being provided with a quick-plug socket; a direct cooling liquid cooling pipeline, the direct cooling liquid cooling pipeline comprising an L-shaped quick-plug connector, at least one T-shaped quick-plug connector and a hydraulic connector connected in sequence by a connecting pipe; the quick-plug socket of each liquid cooling plate branch is plugged with the T-shaped quick-plug connector or with the T-shaped quick-plug connector to connect the liquid cooling plate branch and the direct cooling liquid cooling pipeline.

[0009] By adopting the above solution, the connection between the plug connector and the quick-plug socket realizes a quick and convenient connection between the liquid cooling plate branch and the direct cooling liquid cooling pipe. This connection method not only simplifies the assembly process, but also can effectively absorb tolerances.

[0010] Furthermore, the direct cooling liquid cooling pipes are provided with at least two, including a liquid cooling pipe inlet pipe and a liquid cooling pipe outlet pipe, the liquid cooling pipe inlet pipe is used to inject coolant into the liquid cooling plate assembly, and the liquid cooling pipe outlet pipe is used to discharge the coolant in the liquid cooling plate assembly.

[0011] By adopting the above solution, a complete cooling cycle is formed, allowing the coolant in the liquid cooling plate assembly to circulate, which not only improves the cooling efficiency but also helps maintain a stable operating temperature of the battery system.

[0012] Furthermore, the liquid cooling plate branch includes: a liquid cooling heat exchange plate; at least one current collector, the current collector is connected to the end of the liquid cooling heat exchange plate, and the quick-plug socket is arranged on the current collector.

[0013] By adopting the above solution and arranging the quick-plug socket on the current collector, the liquid cooling plate branch can be conveniently and quickly connected to the direct-cooling liquid cooling pipeline.

[0014] Furthermore, each of the liquid cooling plate branches includes a collector, which is connected to one end of the liquid cooling heat exchange plate. The other end of the liquid cooling heat exchange plate is provided with a closure. Two quick-plug sockets are provided on the collector, which are respectively connected to the liquid inlet pipe and the liquid outlet pipe of the liquid cooling pipe.

[0015] By adopting the above solution, a liquid cooling pipe inlet pipe and a liquid cooling pipe outlet pipe can be arranged on the same side of the liquid cooling plate, thereby reducing the space occupation problem of the liquid cooling plate assembly.

[0016] Furthermore, each of the liquid-cooled plate branches includes two current collectors, which are respectively connected to the two ends of the liquid-cooled heat exchange plate. Each of the current collectors is provided with a quick-plug socket, the quick-plug socket located at one end of the liquid-cooled heat exchange plate is plugged and connected to the liquid inlet pipe of the liquid cooling pipe, and the quick-plug socket located at the other end of the liquid-cooled heat exchange plate is plugged and connected to the liquid outlet pipe of the liquid cooling pipe.

[0017] By adopting the above solution, liquid cooling pipe inlet pipes can be arranged on both sides of the liquid cooling plate, so that the cooling liquid in the liquid cooling plate can be replaced quickly and the heat exchange effect is better.

[0018] Furthermore, the direct cooling liquid cooling pipeline also includes a wall-penetrating joint, one end of which is connected to the other end of the hydraulic joint through a connecting pipe.

[0019] By adopting the above solution, it is possible to connect the liquid cooling pipes between different spaces or areas through walls or other obstacles. This design is particularly suitable for the layout of liquid cooling systems that need to cross walls or partitions.

[0020] Furthermore, the L-shaped quick-connect connector includes: a third interface, the third interface is laser welded to the connecting pipe; and a second plug interface, the second plug interface is plugged into the quick-connect socket.

[0021] By adopting the above solution, the direct-cooling liquid cooling pipe can more flexibly adapt to different installation environments and spatial layouts when connecting the liquid cooling plate branch at the tail, reducing the number of unnecessary bends and joints, and reducing the complexity and manufacturing cost of the system.

[0022] Furthermore, the T-type quick-connect connector includes: a first interface, which is laser welded to the connecting pipe; a second interface, which is laser welded to the connecting pipe; and a first plug-in interface, which is plugged into the quick-connect socket.

[0023] By adopting the above solution, the direct-cooling liquid cooling pipe can more flexibly adapt to different installation environments and spatial layouts when connecting the liquid cooling plate branch in the middle, reducing the number of unnecessary bends and joints, and reducing the complexity and manufacturing cost of the system.

[0024] Furthermore, the hydraulic joint itself has a bending portion, and the bending angle of the bending portion is a right angle.

[0025] By adopting the above solution, the edge structure of the battery pack shell can be adapted, and the right-angle bend can reduce unnecessary pipe bends and the number of joints, and can withstand a certain pressure and torque, effectively preventing the joints from loosening or deforming during operation, thereby improving the reliability and safety of the entire liquid cooling system.

[0026] Furthermore, the liquid-cooled heat exchange plate is a serpentine liquid cooling plate with multiple flow channels.

[0027] By adopting the above solution, the multi-channel design can increase the flow area of ​​the coolant, thereby improving the heat dissipation efficiency. The serpentine flow channel enables the coolant to form a complex flow path inside the liquid cooling plate, increasing the contact area between the coolant and the liquid cooling plate, which is beneficial to the rapid transfer and dissipation of heat, and is more conducive to adapting to the side surface of the battery cell.

[0028] In summary, the liquid cooling system with direct cooling connection provided by the utility model has the following technical effects:

[0029] 1. Using quick-connect fittings instead of traditional welding not only simplifies the assembly process, but also ensures that the pipe connections have sufficient strength and sealing to meet the requirements of high burst pressure. This ensures that the liquid cooling system can operate safely and stably under high-pressure working environments, reducing the safety risks caused by pipe bursts;

[0030] 2. The design of the quick-connect connector can effectively absorb the tolerances generated during the manufacturing and assembly process, thereby simplifying the installation process and reducing manufacturing costs. At the same time, this design improves production cycle time, reduces production costs, improves the reliability and stability of the liquid cooling system, and reduces the risk of failure caused by improper assembly. ;

[0031] 3. The direct cooling liquid cooling pipe adopts L-type quick-connect joints and T-type quick-connect joints, so that the pipe can be more flexible to adapt to different installation environments and space layouts when connecting the liquid cooling plate branches;

[0032] 4. The hydraulic joint, L-type quick-connect joint and T-type quick-connect joint are connected by a connecting pipe, which avoids the problem of insufficient pipeline space reservation caused by integral injection molding and realizes the manufacturability and assemblability of the pipeline system. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the three-dimensional structure of a direct cooling liquid cooling pipeline according to an embodiment of the utility model;

[0034] Figure 2 This is a schematic diagram of a partial explosion structure of a direct cooling liquid cooling pipeline according to an embodiment of the utility model;

[0035] Figure 3 This is a schematic diagram of the structure of an L-shaped quick-connect connector according to an embodiment of the utility model;

[0036] Figure 4 This is a schematic diagram of the structure of a T-type quick-connect connector according to an embodiment of the utility model;

[0037] Figure 5 This is a schematic diagram of the connection structure of the liquid cooling plate branch and the direct cooling type liquid cooling pipeline in an embodiment of the utility model;

[0038] Figure 6This is a schematic diagram of the exploded structure of the connection between the liquid cooling plate branch and the direct cooling type liquid cooling pipeline in an embodiment of the utility model;

[0039] Figure 7 This is a schematic diagram of the structure of a liquid cooling system according to an embodiment of the utility model.

[0040] Among them, the meanings of the accompanying drawings are as follows: 1. Liquid cooling plate assembly; 11. Liquid cooling plate branch; 111. Liquid cooling heat exchange plate; 112. Collector; 113. Closure; 2. Quick-plug socket; 3. Direct cooling liquid cooling pipe; 31. L-type quick-plug connector; 311. Third interface; 312. Second plug interface; 32. T-type quick-plug connector; 321. First interface; 322. Second interface; 323. First plug interface; 33. Hydraulic connector; 331. Bending portion; 34. Wall connector; 4. Connecting pipe; 5. Liquid inlet pipe of liquid cooling pipe; 6. Liquid outlet pipe of liquid cooling pipe. DETAILED DESCRIPTION

[0041] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0042] In order to facilitate the understanding of the embodiments of the present utility model, the following will be further explained by taking specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present utility model.

[0043] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0045] Embodiment 1 of the present utility model is referred to Figure 1-Figure 7As shown, a direct-cooling liquid cooling system is disclosed, including a liquid cooling plate assembly 1 and a direct-cooling liquid cooling pipe 3, the liquid cooling plate assembly 1 includes more than two groups of liquid cooling plate branches 11, each of the liquid cooling plate branches 11 is provided with a quick-plug socket 2, the direct-cooling liquid cooling pipe 3 includes an L-type quick-plug connector 31 connected in sequence by a connecting pipe 4, the connecting pipe 4 is a hydrogen permeation pipeline, at least one T-type quick-plug connector 32 and a hydraulic connector 33, specifically, the T-type quick-plug connector 32 includes a first interface 321, a second interface 322 and a first plug interface 323, the first plug interface 323 is plugged with the quick-plug socket 2, the L-type quick-plug connector 31 includes a third interface 311 and a second plug interface 312, the second plug interface 312 is plugged with the quick-plug socket 2. When only one T-type quick-connector 32 is provided, one of the first interface 321 and the second interface 322 of the T-type quick-connector 32 is connected to the third interface 311 of the L-type quick-connector 31 through a connecting pipe 4, and the other is connected to the hydraulic joint 33 through a connecting pipe 4. The connecting method of the connecting pipe 4 and the T-type quick-connector 32, the L-type quick-connector 31 and the hydraulic joint 33 is preferably a laser welder. When more than two T-type quick-connectors 32 are provided, the first interface 321 of two adjacent T-type quick-connectors 32 is connected to the second structure of the adjacent T-type quick-connectors 32, so that more than two T-type quick-connectors 32 are connected end to end. It should be noted that the total number of the T-type quick-connectors 32 and the L-type quick-connectors 31 is equal to the number of the liquid cooling plate branches 11. The liquid cooling system with direct cooling connection connected by the above scheme can make the direct cooling liquid cooling pipe 3 more flexible to adapt to different installation environments and spatial layouts when connecting the liquid cooling plate branch 11, reduce unnecessary bends and the number of joints, and reduce the complexity and manufacturing cost of the system. The quick-plug socket 2 of each liquid cooling plate branch 11 is plugged into the T-type quick plug connector 32 or plugged into the T-type quick plug connector 32 to connect the liquid cooling plate branch 11 and the direct cooling liquid cooling pipe 3. The connection between the plug connector and the quick-plug socket 2 realizes a quick and convenient connection between the liquid cooling plate branch 11 and the direct cooling liquid cooling pipe 3. This connection method not only simplifies the assembly process, but also can effectively absorb tolerances.

[0046] It should be noted that, in order to achieve lightweight design, at least part of the connecting pipe 4, L-type quick-plug connector 31, T-type quick-plug connector 32 and hydraulic connector 33 are made of lightweight materials, and the lightweight materials are preferably PA11, PA610 or PA6. PA11 (poly 11-amino-long lactam) is a bio-based polymer with high chemical corrosion resistance and excellent heat resistance. PA610 (poly 6-aminocaproamide) is a special nylon with a relatively high melting point and excellent mechanical properties. PA6 (polycaprolactam) is a widely used general nylon with good toughness, wear resistance and chemical stability.

[0047] Typically, a direct-cooling liquid cooling system usually has at least two direct-cooling liquid cooling pipes 3 for liquid inlet and outlet. Therefore, in this embodiment 1, two direct-cooling liquid cooling pipes 3 are provided, including a liquid cooling pipe inlet pipe 5 and a liquid cooling pipe outlet pipe 6. The liquid cooling pipe inlet pipe 5 is used to inject coolant into the liquid cooling plate assembly 1, and the liquid cooling pipe outlet pipe 6 is used to discharge the coolant in the liquid cooling plate assembly 1, thereby forming a complete cooling cycle, so that the coolant in the liquid cooling plate assembly 1 can circulate, which not only improves the cooling efficiency, but also helps to maintain a stable operating temperature of the battery system.

[0048] The liquid cooling plate branch 11 includes a liquid cooling heat exchange plate 111 and at least one fluid collector 112. The fluid collector 112 is connected to the end of the liquid cooling heat exchange plate 111 and is used to converge the cooling liquid, which is conducive to connecting with the direct cooling liquid cooling pipe 3. The quick-plug socket 2 is arranged on the fluid collector 112 to realize quick connection with the direct cooling liquid cooling pipe 3. In this embodiment 1, each of the liquid cooling plate branches 11 includes a fluid collector 112, and the fluid collector 112 is connected to one end of the liquid cooling heat exchange plate 111. The other end of the liquid cooling heat exchange plate 111 is provided with a closure 113. There are two quick-plug sockets 2 on the fluid collector 112, which are respectively connected to the liquid cooling pipe inlet pipe 5 and the liquid cooling pipe outlet pipe 6. The liquid-cooled heat exchange plate 111 adopts a serpentine liquid cooling plate, which has multiple liquid cooling channels, and each channel, through the effect of the closed space, makes the coolant passing through the channel flow in a U shape, so as to realize liquid inlet and outlet from the two quick-plug sockets 2 on the collector 112. By arranging the liquid cooling tube inlet pipe 5 and the liquid cooling tube outlet pipe 6 on the same side of the liquid cooling plate, the space occupation problem of the liquid cooling plate assembly 1 can be reduced.

[0049] In other embodiments, each of the liquid cooling plate branches 11 includes two current collectors 112, and the two current collectors 112 are respectively connected to the two ends of the liquid cooling heat exchange plate 111, and each of the current collectors 112 is provided with a quick-plug socket 2, and the quick-plug socket 2 located at one end of the liquid cooling heat exchange plate 111 is plugged and connected to the liquid cooling pipe inlet pipe 5, and the quick-plug socket 2 located at the other end of the liquid cooling heat exchange plate 111 is plugged and connected to the liquid cooling pipe outlet pipe 6. The liquid cooling heat exchange plate 111 can adopt a serpentine liquid cooling plate, or a liquid cooling plate of other structures, which is not specifically limited in this embodiment. A single flow channel or multiple flow channels can be provided in the liquid cooling heat exchange plate 111, and each flow channel is a straight line, so as to connect the two quick-plug sockets 2 on the current collectors 112 at both ends of the liquid cooling plate to realize liquid inlet and liquid outlet. By providing the liquid cooling pipe inlet pipe 5 on both sides of the liquid cooling plate, the cooling liquid in the liquid cooling plate can be replaced quickly and the heat exchange effect is better.

[0050] Optionally, a through-wall joint 34 may be added to the direct-cooling liquid cooling pipe 3, one end of the through-wall joint 34 is connected to the other end of the hydraulic joint 33 through the connecting pipe 4, and the connection method is preferably laser welding. A quick joint may be provided between the connecting pipe 4 and the hydraulic joint 33 to achieve quick plug-in. The through-wall joint 34 can pass through walls or other obstacles to achieve the connection of liquid cooling pipes between different spaces or areas. This design is particularly suitable for liquid cooling system layouts that need to cross walls or partitions.

[0051] In some embodiments, in order to adapt to the gap setting at the edge of the battery pack to improve space utilization, the hydraulic connector 33 itself can be provided with a bending portion 331, and the bending angle of the bending portion 331 is a right angle, which can be adapted to the edge structure of the battery pack shell. The right-angle bending portion 331 can reduce unnecessary pipe bending and the number of joints, and can withstand a certain pressure and torque, effectively preventing the joint from loosening or deforming during operation, thereby improving the reliability and safety of the entire liquid cooling system.

[0052] It should be noted that in this embodiment 1, whether to set the connecting pipe 4 can be selected according to actual conditions. For example, the hydraulic connector 33 can be directly laser welded to the first interface 321 or the second interface 322 of the T-type quick-connect connector 32, thereby saving the connecting pipe 4 and saving space.

[0053] By adopting segmented injection molding combined with laser welding, flexible installation of T-type quick-plug connectors 32, L-type quick-plug connectors 31, wall connectors 34 and hydraulic connectors 33 can be achieved, which is conducive to the production of different liquid cooling plate branches 11, meets the space utilization problem, and improves the manufacturability and assemblability of the direct cooling liquid cooling pipeline 3.

[0054] In summary, the liquid cooling system with direct cooling connection provided by the utility model has the following technical effects:

[0055] 1. Using quick-connect fittings instead of traditional welding not only simplifies the assembly process, but also ensures that the pipe connections have sufficient strength and sealing to meet the requirements of high burst pressure. This ensures that the liquid cooling system can operate safely and stably under high-pressure working environments, reducing the safety risks caused by pipe bursts;

[0056] 2. The design of the quick-connect connector can effectively absorb the tolerances generated during the manufacturing and assembly process, thereby simplifying the installation process and reducing manufacturing costs. At the same time, this design improves production cycle time, reduces production costs, improves the reliability and stability of the liquid cooling system, and reduces the risk of failure caused by improper assembly. ;

[0057] 3. The direct cooling liquid cooling pipe 3 adopts an L-type quick-plug connector 31 and a T-type quick-plug connector 32, so that the pipe can be more flexibly adapted to different installation environments and space layouts when connecting the liquid cooling plate branch 11;

[0058] 4. The hydraulic connector 33, the L-type quick connector 31 and the T-type quick connector 32 are connected by a connecting pipe 4, which avoids the problem of insufficient pipeline space reservation caused by integral injection molding and realizes the manufacturability and assemblability of the pipeline system.

[0059] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A liquid cooling system with direct cooling connection, characterized in that: include: A liquid cooling plate assembly (1), the liquid cooling plate assembly (1) comprising more than two groups of liquid cooling plate branches (11), each of the liquid cooling plate branches (11) being provided with a quick-plug socket (2); A direct-cooling liquid cooling pipeline (3), the direct-cooling liquid cooling pipeline (3) comprising an L-shaped quick-connect joint (31), at least one T-shaped quick-connect joint (32) and a hydraulic joint (33) which are sequentially connected by a connecting pipe (4); The quick-plug socket (2) of each of the liquid cooling plate branches (11) is plugged into the T-shaped quick-plug connector (32) or plugged into the T-shaped quick-plug connector (32) to connect the liquid cooling plate branch (11) and the direct-cooling liquid cooling pipeline (3).

2. A liquid cooling system with direct cooling connection according to claim 1, characterized in that: The direct cooling type liquid cooling pipe (3) is provided with at least two, including a liquid cooling pipe inlet pipe (5) and a liquid cooling pipe outlet pipe (6), wherein the liquid cooling pipe inlet pipe (5) is used to inject cooling liquid into the liquid cooling plate assembly (1), and the liquid cooling pipe outlet pipe (6) is used to discharge the cooling liquid in the liquid cooling plate assembly (1).

3. A liquid cooling system with direct cooling connection according to claim 2, characterized in that: The liquid cooling plate branch (11) comprises: Liquid cooling heat exchange plate (111); At least one current collector (112), the current collector (112) being connected to the end of the liquid-cooled heat exchange plate (111), and the quick-plug socket (2) being arranged on the current collector (112).

4. A liquid cooling system with direct cooling connection according to claim 3, characterized in that: Each of the liquid cooling plate branches (11) comprises a current collector (112), the current collector (112) being connected to one end of the liquid cooling heat exchange plate (111), the other end of the liquid cooling heat exchange plate (111) being provided with a closing member (113), and two quick-plug sockets (2) are provided on the current collector (112), which are respectively connected to the liquid cooling pipe inlet pipe (5) and the liquid cooling pipe outlet pipe (6) for plugging and communication.

5. The liquid cooling system of direct cooling connection according to claim 3, characterized in that: Each of the liquid cooling plate branches (11) comprises two current collectors (112), the two current collectors (112) being respectively connected to the two ends of the liquid cooling heat exchange plate (111), and each of the current collectors (112) is provided with a quick-plug socket (2), the quick-plug socket (2) located at one end of the liquid cooling heat exchange plate (111) being plugged and connected to the liquid cooling pipe liquid inlet pipe (5), and the quick-plug socket (2) located at the other end of the liquid cooling heat exchange plate (111) being plugged and connected to the liquid cooling pipe liquid outlet pipe (6).

6. A liquid cooling system with direct cooling connection according to any one of claims 1 to 5, characterized in that: The direct cooling liquid cooling pipeline (3) further comprises a wall penetration joint (34), one end of which is connected to the other end of the hydraulic joint (33) via a connecting pipe (4).

7. A liquid cooling system with direct cooling connection according to any one of claims 1 to 5, characterized in that: The L-shaped quick-plug connector (31) comprises: A third interface (311), the third interface (311) being laser welded to the connecting pipe (4); A second plug interface (312), the second plug interface (312) is plugged into the quick-connect socket (2).

8. A liquid cooling system with direct cooling connection according to any one of claims 1 to 5, characterized in that: The T-type quick-plug connector (32) comprises: A first interface (321), the first interface (321) being laser welded to the connecting pipe (4); A second interface (322), the second interface (322) being laser welded to the connecting pipe (4); A first plug interface (323), the first plug interface (323) is plugged into the quick-connect socket (2).

9. A liquid cooling system with direct cooling connection according to any one of claims 1 to 5, characterized in that: The hydraulic joint (33) itself has a bending portion (331), and the bending angle of the bending portion (331) is a right angle.

10. A liquid cooling system with direct cooling connection according to any one of claims 3 to 5, characterized in that: The liquid-cooling heat exchange plate (111) is a serpentine liquid-cooling plate with multiple flow channels.

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