Liquid cooling device

Abstract

This application belongs to the technical field of liquid cooling equipment, specifically relating to a liquid cooling device. This application aims to solve the problem that existing liquid cooling plates have multiple connection interfaces, leading to complex liquid cooling device structures and a high risk of leakage. The liquid cooling device of this application includes a liquid cooling plate and a connector assembly. The liquid cooling plate forms independent first and second liquid cooling cavities, as well as an inner interface and an outer interface. The inner interface communicates with the first liquid cooling cavity, and the outer interface communicates with the second liquid cooling cavity. The connector assembly includes an inner connector and an outer connector. The inner connector forms an inner flow channel, with its first end communicating with the inner interface. The outer connector forms an outer flow channel, with its first end communicating with the outer interface. This application achieves communication between the inner and outer layers of pipes and the liquid cooling plate by setting the connector assembly, eliminating the need for excessive connection ports on the liquid cooling plate. This not only simplifies the structure of the liquid cooling plate but also reduces the risk of leakage.

Description

Technical Field

[0001] This application relates to the field of liquid cooling equipment technology, and more particularly to a liquid cooling device. Background Technology

[0002] Compared to air-cooled heat dissipation devices, liquid cooling devices have lower equivalent thermal resistance, which can meet the thermal management requirements of electronic power devices with high heat flux density. They are widely used in various electronic devices, such as servers, switches, and routers.

[0003] In related technologies, liquid cooling devices often use a single pipeline to transport coolant, or a dual pipeline to transport coolant, resulting in multiple connection interfaces for the liquid cooling plate. This is especially true for liquid cooling plates with dual chambers, where multiple connection interfaces not only complicate the structure but also increase the risk of leakage. Summary of the Invention

[0004] This application provides a liquid cooling device to solve the technical problem that existing liquid cooling plates have multiple connection interfaces, resulting in complex liquid cooling device structure and high risk of leakage.

[0005] To solve the above-mentioned technical problems, this application adopts the following technical solution:

[0006] This application provides a liquid cooling device, comprising:

[0007] The liquid cooling plate has a first liquid cooling cavity and a second liquid cooling cavity that are independent of each other. The liquid cooling plate also has an inner interface and an outer interface. The outer interface surrounds the outer side of the inner interface. The inner interface is connected to the first liquid cooling cavity and the outer interface is connected to the second liquid cooling cavity.

[0008] A connector assembly includes an inner connector and an outer connector. The inner connector forms an inner flow channel, a first end of which communicates with an inner interface and at least partially overlaps with the inner interface. A second end of the inner flow channel is configured to communicate with an inner tube. The outer connector forms an outer flow channel and is located outside the inner connector. A first end of the outer flow channel communicates with the outer interface, and a second end of the outer flow channel is configured to communicate with an outer tube. An abutment portion is formed within the outer connector, and the abutment portion abuts against the inner connector.

[0009] Compared with the prior art, the liquid cooling device provided in the first aspect of this application has the following advantages:

[0010] The liquid cooling device provided in this application includes a liquid cooling plate and a connector assembly. The liquid cooling plate forms independent first and second liquid cooling cavities. It also has an inner interface and an outer interface, with the outer interface surrounding the inner interface. The inner interface communicates with the first liquid cooling cavity, and the outer interface communicates with the second liquid cooling cavity. The connector assembly includes an inner connector and an outer connector. The inner connector forms an inner flow channel, with its first end communicating with the inner interface and its second end configured to communicate with an inner tube. Thus, the first liquid cooling cavity is connected to the inner tube via the inner interface and the inner flow channel, enabling the transfer of coolant within the first liquid cooling cavity. The outer connector forms an outer flow channel, located inside the inner connector, thus forming two layers of flow channels. The first end of the outer flow channel communicates with the outer interface, and its second end is configured to communicate with an outer tube. Thus, the second liquid cooling cavity is connected to the outer tube via the outer interface and the outer flow channel, enabling the transfer of coolant within the second liquid cooling cavity. This application achieves the connection between the inner and outer layers of pipes and the liquid cooling plate by setting a connector assembly, which eliminates the need to set too many connection ports on the liquid cooling plate. This not only simplifies the structure of the liquid cooling plate, but also reduces the risk of leakage.

[0011] In this application, the inner flow channel and the inner interface at least partially overlap, facilitating the setting of the sealing structure between the inner flow channel and the inner interface, making the connection between the inner connector and the inner tube forming the inner interface more stable and reliable. The inner and outer connectors of this application are independently set, which not only simplifies the structure and facilitates processing, but also allows the inner and outer connectors to be independently connected to the liquid cooling plate, avoiding mutual interference with installation accuracy and sealing performance.

[0012] As an improvement to the liquid cooling device described in this application, the external connector includes a first tube body and a first annular wall disposed within the first tube body. A first flow port is provided on the first annular wall, and the first tube body and the first flow port form the external flow channel. The first annular wall forms the abutment portion. The internal connector includes a second tube body and a second annular wall disposed outside the second tube body. The second tube body forms the internal flow channel, and the second tube body passes through the first annular wall and connects to the internal interface. The second annular wall abuts against the side of the first annular wall opposite to the internal interface.

[0013] As an improvement to the liquid cooling device described in this application, the connector assembly further includes an annular fixing member, which is sleeved on the outside of the second tube body and fixedly connected to the second tube body, and the annular fixing member abuts against the side of the first annular wall facing the inner interface.

[0014] As an improvement to the liquid cooling device described in this application, the annular fastener is threadedly connected to the second tube body.

[0015] As an improvement to the liquid cooling device described in this application, the first end of the inner connector extends into the interior of the inner interface, and the inner connector is sealed to the inner interface.

[0016] As an improvement to the liquid cooling device described in this application, a plurality of first sealing rings are provided on the outer side of the first end of the inner connector, and the plurality of first sealing rings are arranged at intervals along the axial direction; the plurality of first sealing rings are all located between the inner connector and the inner interface.

[0017] As an improvement to the liquid cooling device described in this application, the liquid cooling plate includes a mounting base, the mounting base including an inner tube portion and an outer tube portion coaxially arranged, the outer tube portion being sleeved on the outside of the inner tube portion, the inner tube portion defining the inner interface, and the outer tube portion defining the outer interface; an annular baffle is formed between the outer tube portion and the inner tube portion, and a second flow port is provided on the annular baffle, the outer interface communicating with the second liquid cooling cavity through the second flow port.

[0018] As an improvement to the liquid cooling device described in this application, the first end face of the external connector is sealed to the end face of the external tube.

[0019] As an improvement to the liquid cooling device described in this application, a limiting step is formed on the outer side of the first end of the external connector; the connector assembly further includes an external fixing sleeve, which is sleeved on the outer side of the external connector; the external fixing sleeve includes a sleeve body and a limiting wall, the first end of the sleeve body is bent inward to form the limiting wall, and the limiting wall abuts against the limiting step; the second end of the sleeve body is sealed to the outer tube.

[0020] As an improvement to the liquid cooling device described in this application, the liquid cooling plate further includes a cavity, a first cover plate, and a second cover plate. The cavity and the mounting base are integrally formed. The cavity also contains an independent first chamber and a second chamber, with the opening directions of the first chamber and the second chamber being opposite. The first cover plate covers the opening of the first chamber to form the first liquid cooling cavity. The second cover plate covers the opening of the second chamber to form the second liquid cooling cavity.

[0021] In addition to the technical problems solved by this application, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions as described above, other technical problems that can be solved by the liquid cooling device provided by this application, other technical features contained in the technical solutions, and the beneficial effects brought about by these technical features will be further explained in detail in the specific embodiments. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments of this application or the prior art will be briefly introduced below. Obviously, the drawings described below are only a part of the embodiments of this application. These drawings and text descriptions are not intended to limit the scope of the concept of this application in any way, but to illustrate the concept of this application to those skilled in the art by referring to specific embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the liquid cooling device provided in the embodiments of this application;

[0024] Figure 2 Exploded view of the liquid cooling device provided in the embodiments of this application;

[0025] Figure 3 A top view of the liquid cooling device provided in the embodiments of this application;

[0026] Figure 4 for Figure 3 AA section view in the middle;

[0027] Figure 5 A front view of the liquid cooling device provided in an embodiment of this application;

[0028] Figure 6 for Figure 5 BB section view in the middle;

[0029] Figure 7 for Figure 6 Enlarged schematic diagram of region P in the middle;

[0030] Figure 8 A top view of the connector assembly of the liquid cooling device provided in the embodiments of this application;

[0031] Figure 9 for Figure 8 CC section view in the middle;

[0032] Figure 10 A right view of the external connector of the liquid cooling device provided in the embodiments of this application;

[0033] Figure 11 for Figure 10 DD section view in the image.

[0034] Explanation of reference numerals in the attached figures:

[0035] 100: Liquid cooling plate; 101: First liquid cooling cavity; 102: Second liquid cooling cavity; 103: Inner interface; 1031: First section; 1032: Second section; 104: Outer interface; 110: Mounting base; 111: Inner tube section; 112: Outer tube section; 1121: Second sealing ring; 113: Annular baffle wall; 1131: Second flow port; 120: Cavity; 121: Second chamber; 130: First cover plate; 140: Second cover plate;

[0036] 200: Connector assembly; 201: Inner flow channel; 202: Outer flow channel; 210: Inner connector; 211: Second pipe body; 2111: First sealing ring; 212: Second annular wall; 220: Outer connector; 221: First pipe body; 222: First annular wall; 2221: First flow port; 223: Limiting step; 230: Annular fastener; 240: Outer fixing sleeve; 241: Sleeve body; 242: Limiting wall;

[0037] 300: Water pipe assembly; 310: Inner pipe; 320: Outer pipe. Detailed Implementation

[0038] Compared to air-cooled heat dissipation devices, liquid cooling devices have lower equivalent thermal resistance, which can meet the thermal management requirements of electronic power devices with high heat flux density. They are widely used in various electronic devices, such as servers, switches, and routers.

[0039] In related technologies, liquid cooling devices often use a single pipeline to transport coolant, or a dual pipeline to transport coolant, resulting in multiple connection interfaces on the liquid cooling plate. For example, for a liquid cooling plate with a dual chamber, each chamber has an inlet and an outlet, and the liquid cooling plate has at least four connection interfaces. This makes the liquid cooling device not only structurally complex but also increases the risk of leakage and reduces safety.

[0040] In view of this, embodiments of this application provide a liquid cooling device, which includes a liquid cooling plate and a connector assembly. The liquid cooling plate has two independent liquid cooling cavities. The connector assembly includes an inner connector and an outer connector, the inner connector forming an inner flow channel and the outer connector forming an outer flow channel. The connector assembly is connected to the liquid cooling plate, such that the inner flow channel communicates with one of the liquid cooling cavities, and the outer flow channel communicates with the other liquid cooling cavity. Thus, the coolant transfer between the two liquid cooling cavities is achieved through a single connector assembly, which simplifies the structure of the liquid cooling device, reduces the risk of leakage, and improves safety. Furthermore, the outer connector protects the inner connector, enhancing leakage protection for the inner flow channel and further improving the leakage protection of the liquid cooling device.

[0041] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0042] Figure 1 This is a schematic diagram of the liquid cooling device provided in the embodiments of this application; Figure 2 An exploded view of the liquid cooling device provided in the embodiments of this application.

[0043] Combination Figure 1 and Figure 2 This application provides a liquid cooling device, which includes a liquid cooling plate 100 and a connector assembly 200. The liquid cooling plate 100 provides storage space for coolant, and electronic devices that need to be cooled, such as servers, heat exchangers, routers, etc., are in contact with the outer side of the liquid cooling plate 100, thereby playing a role in cooling and heat dissipation. The connector assembly 200 serves to connect the liquid cooling plate 100 and the water pipe assembly 300.

[0044] It is understood that the water pipe assembly 300 in this application embodiment includes an inner pipe 310 and an outer pipe 320. The outer pipe 320 is sleeved on the outside of the inner pipe 310. The inner pipe 310 surrounds and forms the inner coolant flow channel. The annular cavity between the outer pipe 320 and the inner pipe 310 is the outer coolant flow channel.

[0045] Figure 3 A top view of the liquid cooling device provided in the embodiments of this application; Figure 4 for Figure 3 AA section view in the image.

[0046] like Figure 3 and Figure 4 As shown, the liquid cooling plate in this embodiment has a first liquid cooling cavity 101 and a second liquid cooling cavity 102 that are independent of each other. The first liquid cooling cavity 101 and the second liquid cooling cavity 102 independently store coolant. It should be noted that a communication structure, such as a control valve, can also be provided between the first liquid cooling cavity 101 and the second liquid cooling cavity 102 to control whether the first liquid cooling cavity 101 and the second liquid cooling cavity 102 are connected or disconnected. Figure 4 As shown, the first liquid cooling cavity 101 and the second liquid cooling cavity 102 are arranged vertically, and the inner interface 103 and the outer interface 104 are located at the ends of the liquid cooling plate 100.

[0047] Combination Figure 4The liquid cooling plate 100 also has an inner interface 103 and an outer interface 104. The outer interface 104 surrounds the outer side of the inner interface 103, and the inner interface 103 communicates with the first liquid cooling cavity 101. Optionally, the inner interface 103 includes a first segment 1031 and a second segment 1032, wherein the opening direction of the first segment 1031 is the same as the opening direction of the outer interface 104; the first segment 1031 extends horizontally (corresponding to the X-axis direction in the figure), and the second segment 1032 extends vertically (corresponding to the Z-axis direction in the figure). With this configuration, the first segment 1031 and the outer interface 104 have the same opening direction, which facilitates connection with the connector assembly 200; the second segment 1032 communicates with the first liquid cooling cavity 101, serving to connect the first segment 1031 and the first liquid cooling cavity 101.

[0048] It should be noted that the relative positions of the first liquid cooling cavity 101 and the second liquid cooling cavity 102 are not limited to being arranged vertically. For example, the first liquid cooling cavity 101 and the second liquid cooling cavity 102 can also be arranged front to back. The extension direction of the second segment 1032 is not limited to the vertical direction shown in the figure, as long as it can connect the first segment 1031 and the first liquid cooling cavity 101.

[0049] Figure 5 A front view of the liquid cooling device provided in an embodiment of this application; Figure 6 for Figure 5 BB section view in the middle; Figure 7 for Figure 6 A magnified diagram of region P in the middle. (Combined with...) Figures 5 to 7 The external interface 104 is connected to the second liquid cooling chamber 102, so that the coolant in the second liquid cooling chamber 102 can be connected to the connector assembly 200 through the external interface 104.

[0050] Combination Figure 2 , Figures 4 to 6 In some possible implementations, the liquid cooling plate 100 further includes a cavity 120, a first cover plate 130, and a second cover plate 140. The cavity 120 is connected to the mounting base 110. In this embodiment, the cavity 120 and the mounting base 110 are integrally formed. For example, when the cavity 120 and the mounting base 110 are made of metal, they are cast; or, for example, when they are made of plastic, they are injection molded. This embodiment does not limit the process of integrally forming the cavity 120 and the mounting base 110. This arrangement avoids the assembly of the liquid cooling plate 100 from affecting the inner interface 103 and the outer interface 104. The cavity 120 also contains independent first and second chambers 121, with the opening directions of the first and second chambers 121 being opposite. In this embodiment of the application, a first chamber is formed above the cavity 120, and a second chamber 121 is formed below the cavity 120.

[0051] The first cover plate 130 is placed over the opening of the first chamber to form the first liquid cooling chamber 101. The connection between the first cover plate 130 and the chamber 120 includes, but is not limited to, flange connection, snap-fit, etc., and a sealing structure, such as a sealing ring or adhesive seal, is provided between the first cover plate 130 and the chamber 120.

[0052] The second cover plate 140 is installed over the opening of the second chamber 121 to form the second liquid cooling chamber 102. The connection between the second cover plate 140 and the chamber 120 includes, but is not limited to, fixing by bolts, snap-fitting, etc., and a sealing structure, such as a sealing ring or sealant, is provided between the second cover plate 140 and the chamber 120.

[0053] With the above configuration, the first cover plate 130 and the second cover plate 140 can form a large contact area, which facilitates contact with electronic devices for cooling and heat dissipation.

[0054] The liquid cooling plate 100 of this embodiment includes a mounting base 110 for forming an inner interface 103 and an outer interface 104. The mounting base 110 is formed on the cavity 120, so that both the inner interface 103 and the outer interface 104 are located on the cavity 120, avoiding leakage of the inner interface 103 and the outer interface 104 due to the assembly precision of the liquid cooling plate 100. Optionally, in this embodiment, the mounting base 110 and the cavity 120 are integrally formed, which not only helps to ensure the sealing of the inner interface 103 and the outer interface 104, but also ensures the structural strength of the cavity 120 and the mounting base 110.

[0055] Combination Figure 2 , Figure 6 as well as Figure 7 The mounting base 110 includes an inner tube portion 111 and an outer tube portion 112 coaxially arranged. The outer tube portion 112 is sleeved on the outside of the inner tube portion 111. The inner tube portion 111 defines an inner interface 103, and the outer tube portion 112 defines an outer interface 104. Furthermore, an annular baffle 113 is formed between the outer tube portion 112 and the inner tube portion 111. A second flow port 1131 is provided on the annular baffle 113, and the outer interface 104 communicates with the second liquid cooling cavity 102 through the second flow port 1131.

[0056] With the above arrangement, the inner tube 111 and the outer tube 112 are coaxially arranged, so that the opening directions of the inner interface 103 and the outer interface 104 are the same, facilitating communication with the connector assembly 200; the annular baffle 113 serves to connect and support the inner tube 111 and the outer tube 112. The annular baffle 113 can have one or more second flow ports 1131, such as two or three, and these ports can be arranged at intervals along the circumference of the inner tube 111. This application embodiment does not limit the number or shape of the second flow ports 1131, as long as they enable communication between the outer interface 104 and the second liquid cooling cavity 102.

[0057] In some possible implementations, the inner tube 111 and the outer tube 112 at least partially overlap, such that the inner tube 111 and the outer tube 112 are connected by an annular baffle 113. In this embodiment, the outer end of the inner tube 111 and the inner end of the outer tube 112 are connected by the annular baffle 113, so that the inner tube 111 and the outer tube 112 are axially offset. This facilitates the connection of the connector assembly 200 with the inner tube 111 and the outer tube 112 respectively, and also facilitates the formation of a reserved space in the outer tube 112 to accommodate the fixing structure of the inner connector 210 and the outer connector 220 in the fixing connector assembly 200. It should be noted that "inner" here refers to the end facing the interior of the liquid cooling plate 100, and "outer" refers to the end facing away from the interior of the liquid cooling plate 100.

[0058] Understandably, the coolant in the first liquid cooling cavity 101 and the second liquid cooling cavity 102 is in a flowing state, continuously carrying away heat and playing a role in heat dissipation and cooling of electronic equipment. For this purpose, the liquid cooling plate 100 is provided with two mounting seats 110. One mounting seat 110 has an inner interface 103 and an outer interface 104 for inputting coolant into the liquid cooling cavity, while the other mounting seat 110 has an inner interface 103 and an outer interface 104 for discharging coolant from the liquid cooling cavity.

[0059] The connector assembly 200 in this embodiment connects to the mounting base 110, enabling communication between the inner and outer flow channels. This not only facilitates maintenance but also enhances safety. Furthermore, the outer flow channel provides leakage protection for the inner flow channel, further improving safety. The structure and function of the connector assembly 200 in this embodiment are described in detail below.

[0060] Continue to refer to Figure 7The connector assembly 200 of this application embodiment includes an inner connector 210 and an outer connector 220. The inner connector 210 forms an inner flow channel 201, and the outer connector 220 forms an outer flow channel 202. The outer connector 220 is located inside the inner connector 210, thus forming two layers of flow channels. In this application embodiment, the inner connector 210 and the outer connector 220 are independently provided, which not only facilitates processing, but also allows the inner connector 210 and the outer connector 220 to be independently connected to the mounting base 110, avoiding mutual interference with installation accuracy and sealing performance.

[0061] In this embodiment, the inner flow channel 201 and the inner interface 103 at least partially overlap. For example, the inner connector 210 forming the inner flow channel 201 extends into the inner interface 103; or, for another example, the inner flow channel 201 is sleeved on the outside of the inner interface 103. This arrangement facilitates the setting of a sealing structure between the inner flow channel 201 and the inner interface 103, making the connection between the inner connector 210 and the inner tube portion 111 forming the inner interface 103 more stable and reliable.

[0062] The first end of the inner flow channel 201 is connected to the inner interface 103, and the second end of the inner flow channel 201 is configured to be connected to the inner tube 310. In this way, the first liquid cooling cavity 101 is connected to the inner tube 310 via the inner interface 103, the inner flow channel 201 and the inner tube 310, so as to realize the transfer of coolant in the first liquid cooling cavity 101.

[0063] The first end of the outer flow channel 202 is connected to the outer interface 104, and the second end of the outer flow channel 202 is configured to be connected to the outer tube 320. In this way, the second liquid cooling cavity 102 is connected to the outer interface 104, the outer flow channel 202 and the outer tube 320 to realize the transfer of coolant in the second liquid cooling cavity 102.

[0064] In this embodiment, an abutting portion is formed inside the outer connector 220, which abuts against the inner connector 210, thereby fixing the relative positions of the outer connector 220 and the inner connector 210 and preventing relative movement between the inner connector 210 and the outer connector 220 from affecting the sealing performance.

[0065] Figure 8 A top view of the connector assembly of the liquid cooling device provided in the embodiments of this application; Figure 9 for Figure 8 CC section view in the image. Figure 10 A right view of the external connector of the liquid cooling device provided in the embodiments of this application; Figure 11 for Figure 10 DD section view in the image.

[0066] Combination Figure 8 and Figure 9The external connector 220 includes a first tube body 221 and a first annular wall 222 disposed inside the first tube body 221. A first flow port 2221 is provided on the first annular wall 222. The flow channel defined by the first tube body 221 and the first flow port 2221 form an external flow channel 202. The first annular wall 222 forms an abutment portion.

[0067] Combination Figure 10 and Figure 11 The first tube body 221 has a circular cross-section, and the first annular wall 222 is located inside the first tube body 221 and is annular in shape. Multiple first flow ports 2221 are provided, and these ports are spaced apart along the circumference of the first annular wall 222 to increase the flow area. This application embodiment does not limit the number or shape of the first flow ports 2221.

[0068] Combined again Figure 8 and Figure 9 The inner connector 210 includes a second tube 211 and a second annular wall 212 disposed outside the second tube 211. The second tube 211 forms an inner flow channel 201. The second tube 211 passes through the first annular wall 222 and connects to the inner interface 103. The second annular wall 212 abuts against the side of the first annular wall 222 away from the inner interface 103, thereby fixing the relative positions of the inner connector 210 and the outer connector 220.

[0069] In some possible implementations, the materials of the inner connector 210 and the inner tube 310 are relatively soft, making the connection operation between the inner connector 210 and the inner interface 103 inconvenient. Optionally, in some possible implementations, the connector assembly 200 of this application embodiment further includes an annular fixing member 230. The annular fixing member 230 is sleeved on the outside of the second tube body 211 and is fixedly connected to the second tube body 211. The annular fixing member 230 abuts against the side of the first annular wall 222 facing the inner interface 103. In this way, the annular fixing member 230 can not only support the inner connector 210, but also press the first annular wall 222 against the second annular wall 212, improving the stability of the relative position of the inner connector 210 and the outer connector 220.

[0070] Optionally, the annular fastener 230 is threadedly connected to the second tube 211. The second tube 211 is provided with an external thread, and the inner surface of the annular fastener 230 is provided with an internal thread. The internal thread and the external thread are threadedly connected, thereby fixing the annular fastener 230 to the second tube 211. This not only provides a simple connection method but also simplifies the processing.

[0071] Of course, this is not a limitation on the connection method between the annular fastener 230 and the second tube 211. For example, the annular fastener 230 and the second tube 211 can be connected by interference fit; or the annular fastener 230 can be bonded or snapped together with the second tube 211.

[0072] It is understood that the portion of the second tube 211 with external threads is located between the second annular wall 212 and the first end of the second tube 211, wherein the first end of the second tube 211 is connected to the inner interface 103.

[0073] In this embodiment, the first end of the second tube 211 of the inner connector 210 extends into the interior of the inner interface 103, and the second tube 211 of the inner connector 210 is sealed to the inner interface 103. This configuration provides an interference fit between the second tube 211 and the inner interface 103, making installation simple and convenient, and ensuring a stable seal between the inner connector 210 and the inner interface 103.

[0074] In this embodiment, a plurality of first sealing rings 2111 are provided on the outer side of the first end of the second tube body 211 of the inner connector 210, and the plurality of first sealing rings 2111 are arranged at intervals along the axial direction; for example, three first sealing rings 2111 are provided, and the three first sealing rings 2111 are arranged at intervals along the axial direction. The plurality of first sealing rings 2111 are all located between the second tube body 211 of the inner connector 210 and the inner interface 103, which is beneficial to improving the sealing performance between the inner connector 210 and the inner interface 103.

[0075] The second end of the second tube body 211 of the inner connector 210 is connected to the inner tube 310, and the connection method can be various. For example, the second end of the second tube body 211 forms a pagoda-type connection structure, and the second end of the second tube body 211 is interference-fitted to the inner tube 310, which is simple to install, efficient, and has the potential to avoid performance issues.

[0076] In this embodiment, the inner connector 210 and the inner interface 103 are sealed by a hole-shaft fit, which ensures a stable and reliable seal.

[0077] Combination Figure 7 The first end face of the external connector 220 is sealed to the end face of the outer tube portion 112. Specifically, a second sealing ring 1121 is provided between the first end face of the external connector 220 and the end face of the outer tube portion 112, thereby sealing the external connector 220 and the outer tube portion 112. For example, an annular groove is provided on the end face of the outer tube portion 112, and the second sealing ring 1121 is installed in the annular groove.

[0078] The external connector 220 and the outer tube 112 can be connected by a flange, or they can be fixedly connected by a clamp. In this embodiment, the external connector 220 is fixedly connected to the outer tube 112 by an external fixing sleeve 240.

[0079] Combination Figure 9 and Figure 11 A limiting step 223 is formed on the outer side of the first end of the external connector 220. Specifically, the first pipe body 221 of the external connector 220 includes two sections, one of which has a larger outer diameter, and a limiting step 223 is formed at the connection between the two sections. The first annular wall 222 can be set inside the pipe section with the larger outer diameter.

[0080] The connector assembly 200 in this embodiment further includes an outer fixing sleeve 240, which is sleeved on the outside of the outer connector 220. Figure 7 and Figure 9 As shown, the outer fixing sleeve 240 includes a sleeve body 241 and a limiting wall 242. The first end of the sleeve body 241 is bent inward to form the limiting wall 242, which is annular, allowing the outer fixing sleeve 240 to be fitted onto the outside of the outer connector 220. The limiting wall 242 abuts against the limiting step 223, and the second end of the sleeve body 241 is sealed to the outer tube portion 112, thereby fixing the outer connector 220 onto the outer tube portion 112.

[0081] Optionally, the second end of the sleeve 241 is threaded to the outer tube 112, and the sleeve 241 and the outer tube 112 are sealed with adhesive. This helps ensure the stability and sealing of the connection between the sleeve 241 and the outer tube 112, and is simple and efficient to operate. In this embodiment, the outer connector 220 and the outer tube 112 adopt a flush-face sealing method, which, together with the sealing of the sleeve 241 and the outer tube 112, makes the seal between the connector assembly 200 and the outer tube 112 more stable and reliable.

[0082] To facilitate the threaded connection between the sleeve 241 and the outer tube 112, the outer side of the second end of the sleeve 241 is hexagonal prism-shaped, which makes it easy to use with wrenches and other operating tools, thus improving the convenience of the threaded connection between the outer fixing sleeve 240 and the outer tube 112.

[0083] In this embodiment, the second end of the external connector 220 is fixedly connected to the outer tube 320. For example, the second end of the external connector 220 is threaded or clamped to the outer tube 320. This embodiment does not limit the connection in this respect.

[0084] The connection between the inner connector 210 and the inner tube 310 in this embodiment of the application has multiple forms, and the connection between the outer connector 220 and the outer tube 320 has multiple forms, so that the liquid cooling device in this embodiment of the application can be adapted to various types of pipes. Moreover, the connection between the inner tube 310 and the outer tube 320 and the connector assembly 200 is independent of each other, so that the connector assembly 200 can absorb the tolerance between the two layers of water pipes and improve the stability of the connection.

[0085] Based on the above description, the liquid cooling device of this application embodiment includes a liquid cooling plate 100 and a connector assembly 200. The liquid cooling plate 100 forms a first liquid cooling cavity 101 and a second liquid cooling cavity 102 that are independent of each other. The liquid cooling plate 100 also forms an inner interface 103 and an outer interface 104. The outer interface 104 surrounds the outer side of the inner interface 103. The inner interface 103 communicates with the first liquid cooling cavity 101, and the outer interface 104 communicates with the second liquid cooling cavity 102.

[0086] The connector assembly 200 includes an inner connector 210 and an outer connector 220. The inner connector 210 forms an inner flow channel 201. The first end of the inner flow channel 201 is connected to the inner interface 103, and the second end of the inner flow channel 201 is configured to connect to the inner tube 310. Thus, the first liquid cooling cavity 101 is connected to the inner tube 310 via the inner interface 103 and the inner flow channel 201, realizing the transfer of coolant within the first liquid cooling cavity 101. The outer connector 220 forms an outer flow channel 202. The outer connector 220 is located inside the inner connector 210, thus forming two layers of flow channels. The first end of the outer flow channel 202 is connected to the outer interface 104, and the second end of the outer flow channel 202 is configured to connect to the outer tube 320. Thus, the second liquid cooling cavity 102 is connected to the outer tube 320 via the outer interface 104 and the outer flow channel 202, realizing the transfer of coolant within the second liquid cooling cavity 102.

[0087] The inner flow channel 201 and the inner interface 103 at least partially overlap, which facilitates the setting of the sealing structure between the inner flow channel 201 and the inner interface 103, making the connection between the inner connector 210 and the inner tube portion 111 forming the inner interface 103 more stable and reliable.

[0088] In this embodiment, the inner connector 210 and the outer connector 220 are independently configured, which not only facilitates processing, but also allows the inner connector 210 and the outer connector 220 to be independently connected to the liquid cooling plate 100, avoiding mutual interference with installation accuracy and sealing performance.

[0089] In the description of this application, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described 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 different embodiments or examples.

[0090] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A liquid cooling device, characterized by, The application relates to a liquid cooling plate and a joint assembly thereof. The liquid cooling plate comprises a first liquid cooling cavity and a second liquid cooling cavity which are independent of each other, and an inner interface and an outer interface which are formed in the liquid cooling plate, wherein the outer interface is arranged outside the inner interface, the inner interface is communicated with the first liquid cooling cavity, and the outer interface is communicated with the second liquid cooling cavity. The joint assembly comprises an inner joint and an outer joint, the inner joint forms an inner flow channel, the first end of the inner flow channel is communicated with the inner interface, the inner flow channel is at least partially overlapped with the inner interface, the second end of the inner flow channel is configured to be communicated with an inner layer pipe, the outer joint forms an outer flow channel, the outer joint is arranged outside the inner joint, the first end of the outer flow channel is communicated with the outer interface, and the second end of the outer flow channel is configured to be communicated with an outer layer pipe. The outer joint is formed with an abutting part which is abutted with the inner joint. The liquid cooling plate comprises a mounting seat which comprises a coaxially arranged inner pipe part and an outer pipe part, the outer pipe part is arranged outside the inner pipe part, the inner pipe part defines the inner interface, and the outer pipe part defines the outer interface. An annular blocking wall is formed between the outer pipe part and the inner pipe part, the annular blocking wall is provided with a second flow port, and the outer interface is communicated with the second liquid cooling cavity through the second flow port.

2. The liquid cooling device of claim 1, wherein, The liquid cooling plate further comprises a cavity, a first cover plate and a second cover plate, the cavity and the mounting seat are integrally formed into an integral piece. The cavity is further formed with independent first and second cavities, the opening directions of the first and second cavities are opposite, the first cover plate is arranged at the opening of the first cavity to form the first liquid cooling cavity, and the second cover plate is arranged at the opening of the second cavity to form the second liquid cooling cavity.

3. The liquid cooling device of claim 2, wherein, The outer joint comprises a first pipe body and a first annular wall arranged in the first pipe body, the first annular wall is provided with a first flow port, the first pipe body and the first flow port form the outer flow channel, and the first annular wall forms the abutting part.

4. The liquid cooling device of claim 3, wherein, The inner joint comprises a second pipe body and a second annular wall arranged outside the second pipe body, the second pipe body forms the inner flow channel, the second pipe body passes through the first annular wall and is connected with the inner interface, and the second annular wall is abutted with the side of the first annular wall which is away from the inner interface.

5. The liquid cooling device according to any one of claims 1 to 4, characterized in that, The joint assembly further comprises an annular fixing member which is arranged outside the second pipe body and is fixedly connected with the second pipe body, and the annular fixing member is abutted with the side of the first annular wall which is towards the inner interface.

6. The liquid cooling device of claim 5, wherein, The annular fixing member is threadedly connected with the second pipe body.

7. The liquid cooling device according to any one of claims 1 to 4, characterized in that, The first end of the inner joint is inserted into the inner interface, and the inner joint is sealingly connected with the inner interface.

8. The liquid cooling device of claim 7, wherein, The outer side of the first end of the inner joint is provided with a plurality of first sealing rings which are arranged in an axial direction and are spaced apart from each other, and the plurality of first sealing rings are located between the inner joint and the inner interface. The end face of the first end of the outer joint is sealingly connected with the end face of the outer pipe part. The outer side of the first end of the outer joint is formed with a limiting step. The joint assembly further comprises an outer fixing sleeve, which is sleeved on the outer side of the outer joint; the outer fixing sleeve comprises a sleeve body and a limiting wall, the first end of the sleeve body is inwardly bent and extended to form the limiting wall, and the limiting wall abuts against the limiting step; the second end of the sleeve body is sealingly connected with the outer pipe portion.

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