A sealed pipeline system for multifunctional detection of a server liquid cooling plate

Abstract

The application provides a sealed pipeline system for multifunctional detection of a server liquid cooling plate, comprising a water supply valve group and a leak detection structure, and further comprising a plurality of pipeline assemblies used in cooperation with the water supply valve group and the leak detection structure, wherein the pipeline assemblies comprise liquid injection leak detection pipe fittings and self-detection pipe fittings, the liquid injection leak detection pipe fittings are used in cooperation with the water supply valve group and the leak detection structure when liquid injection and leak detection are performed on the liquid cooling plate, and the self-detection pipe fittings are used in cooperation with the water supply valve group and the leak detection structure when self-detection is performed on the water supply valve group and the leak detection structure. Through the water supply valve group, the leak detection structure and the pipeline assemblies, the water supply valve group, the leak detection structure and the liquid injection leak detection pipe fittings can cooperate with each other to perform liquid injection and leak detection operations when cold liquid distribution is performed on the liquid cooling plate, and the water supply valve group, the leak detection structure and the self-detection pipe fittings can cooperate with each other to perform self-detection on the sealing property of the water supply valve group and the leak detection structure, thereby improving the functionality of the application.

Description

Technical Field

[0001] This invention relates to the field of heat dissipation technology, and more specifically, to a sealed pipeline system for multi-functional detection of server liquid cooling plates. Background Technology

[0002] With the continuous improvement of computing power density in data centers, cold plate liquid cooling technology has become the preferred solution for deploying high-power AI servers and HPC clusters due to its excellent heat dissipation performance. In cold plate liquid cooling systems, the Manifold (distribution manifold) is the core hub connecting the cold source and the server cold plate. However, in the actual engineering application of cold plate liquid-cooled servers, traditional liquid cooling pipeline systems usually only have basic coolant distribution functions, which are relatively simple and difficult to meet the usage requirements. Therefore, we have made improvements and proposed a sealed pipeline system for multi-functional detection of server liquid cooling plates. Summary of the Invention

[0003] This invention provides a sealed pipeline system for multi-functional detection of server liquid cooling plates, including a water supply valve group and a leak detection structure, and also includes several pipeline components used in conjunction with the water supply valve group and the leak detection structure. The pipeline components include liquid injection leak detection fittings and self-test fittings. The liquid injection leak detection fittings are used in conjunction with the water supply valve group and the leak detection structure when injecting liquid into the liquid cooling plate and detecting leaks, and the self-test fittings are used in conjunction with the water supply valve group and the leak detection structure when performing self-tests. The water supply valve group includes a water supply control valve, and the water supply control valve is provided with a plurality of first self-sealing quick-connect couplings. The leak detection structure includes a second valve body, on which a return water control valve and several second self-sealing quick-connect fittings are provided. A leak detector connector is provided on the second valve body for connecting a leak detector. A second valve seat is also provided on the second valve body, and a second control component is provided on the second valve seat for controlling the connection and disconnection between the leak detector connector and the second self-sealing quick-connect fittings.

[0004] As a preferred technical solution of this application, the liquid injection leak detection fitting includes two first hoses, one end of each of the two first hoses is connected to a third connector, the two third connectors are respectively used to connect to the second self-sealing quick connector and the first self-sealing quick connector, and the other end of each of the two first hoses is connected to a fourth connector, the two fourth connectors are respectively used to connect to the two pipe joints of the liquid cooling plate.

[0005] As a preferred technical solution of this application, the self-testing fitting includes a second flexible hose, and both ends of the second flexible hose are provided with a fifth connector. The two fifth connectors are respectively used to connect to the second self-sealing quick connector and the first self-sealing quick connector to realize the self-testing of the water supply valve group and the leak detection structure.

[0006] As a preferred technical solution of this application, the return water control valve includes a third valve seat that is bolted to the second valve body. The third valve seat is provided with a return water connector, and the third valve seat is also provided with a third control component for controlling the connection and disconnection between the return water connector and the second self-sealing quick connector.

[0007] As a preferred technical solution of this application, a fourth chamber is provided in the second valve body, and a plurality of fourth connection ports communicating with the fourth chamber are also provided on the second valve body. The fourth connection ports are threadedly connected to the second self-sealing quick connector, and a sealing ring is provided at the connection between the second self-sealing quick connector and the fourth connection port.

[0008] As a preferred technical solution of this application, the third valve seat has a fifth chamber that communicates with the fourth chamber, and the third valve seat also has a seventh connection port that communicates with the fifth chamber, and the return water connector communicates with the seventh connection port.

[0009] As a preferred technical solution of this application, the third control component includes a third valve core disposed in the fifth chamber, a sealing ring disposed on the third valve core, a third valve stem fixedly connected to the third valve core, one end of the third valve stem passing through the third valve seat and extending to the outside of the third valve seat and connected to a third driving component, and a sealing ring sleeved on the outer surface of the third valve stem to achieve sealing at the connection between the outer surface of the third valve stem and the third valve seat; The third driving component includes several third connecting rods that are bolted to a third valve seat. The ends of the several third connecting rods are connected by bolts to a third cylinder. The piston rod of the third cylinder is connected to the third valve stem through a floating joint.

[0010] As a preferred technical solution of this application, a second recess is provided on the inner wall of the fifth chamber around the third valve stem, and an eighth connection port communicating with the second recess is provided on the third valve seat, and a second connector is installed at the eighth connection port.

[0011] As a preferred technical solution of this application, a third chamber is provided in the second valve seat, and a sixth connection port and a fifth connection port communicating with the third chamber are provided on the second valve body. The sixth connection port is also communicating with the fourth chamber, and the leak detector connector is installed at the fifth connection port.

[0012] As a preferred technical solution of this application, the second control component includes a second valve core disposed in the third chamber, a sealing ring disposed on the outer surface of the second valve core, a second valve stem fixedly connected to the second valve core, one end of the second valve stem passing through the second valve seat and extending to the outside of the second valve seat and disposed of a second driving member; The second driving component includes a plurality of second connecting rods bolted to a second valve seat, and a second cylinder is bolted between the ends of the plurality of second connecting rods. The piston rod of the second cylinder is connected to the second valve stem through a floating joint.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: This application, through the configuration of a water supply valve assembly, a leak detection structure, and a pipeline assembly, enables the injection and leak detection operations of the liquid cooling plate during coolant distribution by cooperating with the water supply valve assembly, the leak detection structure, and the liquid injection and leak detection pipe fittings. Furthermore, the cooperation between the water supply valve assembly, the leak detection structure, and the self-testing pipe fittings enables the self-testing of the sealing performance of the water supply valve assembly and the leak detection structure, thereby improving the functionality of this application. Attached Figure Description

[0014] Figure 1 A schematic diagram of the sealed piping system for multi-functional testing of server liquid cooling plates provided in this application; Figure 2 A schematic diagram of the leak detection structure provided in this application; Figure 3 A cross-sectional schematic diagram of the leak detection structure provided in this application; Figure 4 A structural schematic diagram of the third chamber provided in this application; Figure 5 A structural schematic diagram of the fifth chamber provided in this application; Figure 6 A cross-sectional structural schematic diagram of the water supply valve assembly provided in this application; Figure 7 A partial structural schematic diagram of the water supply valve assembly provided in this application; Figure 8 A schematic diagram of the sealed pipeline system for multi-functional detection of server liquid cooling plates provided in this application during the liquid filling and leak detection of the liquid cooling plates; Figure 9 A schematic diagram of the self-testing structure of the sealed pipeline system for the multi-functional detection of the server liquid cooling plate provided in this application; Figure 10 This is a schematic diagram of the liquid cooling plate.

[0015] The image shows: 1. Water supply valve assembly; 101. First valve body; 102. First valve seat; 103. Water supply connector; 104. First connecting rod; 105. First cylinder; 106. First valve stem; 107. First valve core; 108. First chamber; 109. First connection port; 110. Second chamber; 111. Second connection port; 112. First self-sealing quick-connect connector; 113. First connector; 114. Third connection port; 115. First notch; 2. Leak detection structure; 201. Second valve body; 202. Second valve seat; 203. Second connecting rod; 204. Second cylinder; 205. Return water connector; 206. Third valve seat; 2 07. Third cylinder; 208. Third connecting rod; 209. Second self-sealing quick connector; 210. Leak detector connector; 211. Second valve core; 212. Third chamber; 213. Second valve stem; 214. Fourth chamber; 215. Third valve core; 216. Fourth connection port; 217. Fifth chamber; 218. Third valve stem; 219. Fifth connection port; 220. Sixth connection port; 221. Seventh connection port; 222. Eighth connection port; 223. Second connector; 224. Second notch; 3. First hose; 301. Third connector; 302. Fourth connector; 4. Second hose; 401. Fifth connector. Detailed Implementation

[0016] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0017] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the embodiments of the present invention can be combined with each other.

[0018] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0019] For an example, please refer to... Figure 1-9A sealed piping system for multi-functional detection of server liquid cooling plates includes a water supply valve assembly 1 and a leak detection structure 2, and further includes several piping components that cooperate with the water supply valve assembly 1 and the leak detection structure 2. The piping components include liquid injection leak detection fittings and self-test fittings. The liquid injection leak detection fittings are used in conjunction with the water supply valve assembly 1 and the leak detection structure 2 when injecting liquid into the liquid cooling plate and detecting leaks, and the self-test fittings are used in conjunction with the water supply valve assembly 1 and the leak detection structure 2 when performing self-tests. This improves the functionality of this application. Water supply valve group 1 includes a water supply control valve, and the water supply control valve is provided with a number of first self-sealing quick-connect joints 112; The leak detection structure 2 includes a second valve body 201, on which a return water control valve and several second self-sealing quick-connect fittings 209 are provided. A leak detector connector 210 is provided on the second valve body 201 for connecting a leak detector. A second valve seat 202 is also provided on the second valve body 201. A second control component is provided on the second valve seat 202 for controlling the connection and disconnection between the leak detector connector 210 and the second self-sealing quick-connect fittings 209.

[0020] Furthermore, the liquid injection leak detection fitting includes two first hoses 3, one end of each of the two first hoses 3 is connected to a third connector 301, the two third connectors 301 are respectively used to connect to the second self-sealing quick connector 209 and the first self-sealing quick connector 112, and the other end of each of the two first hoses 3 is connected to a fourth connector 302, the two fourth connectors 302 are respectively used to connect to the two pipe joints of the liquid cooling plate.

[0021] Furthermore, the self-testing fitting includes a second hose 4, with a fifth connector 401 at both ends of the second hose 4. The two fifth connectors 401 are used to connect to the second self-sealing quick connector 209 and the first self-sealing quick connector 112, respectively, to realize the self-testing of the water supply valve group 1 and the leak detection structure 2.

[0022] The water supply control valve includes a first valve body 101, on which a first valve seat 102 is bolted and installed. A sealing gasket is provided between the first valve seat 102 and the first valve body 101. A water supply connector 103 is provided on the first valve seat 102. A first control component for controlling the connection and disconnection between the water supply connector 103 and the first self-sealing quick connector 112 is also provided on the first valve seat 102. The first valve body 101 is provided with a second chamber 110. A plurality of second connection ports 111 communicating with the second chamber 110 are provided on one side of the first valve body 101. The first self-sealing quick connector 112 is threadedly connected to the inner wall of the second connection port 111, and a sealing ring is provided at the connection between the first self-sealing quick connector 112 and the second chamber 110. The second connection port 111 is used to realize the communication between the second chamber 110 and the first self-sealing quick connector 112.

[0023] The first valve seat 102 is provided with a first chamber 108 that communicates with the second chamber 110. The first valve seat 102 is also provided with a first connection port 109 that communicates with the first chamber 108. The first connection port 109 is connected to the water supply connector 103. The water supply connector 103 is used to connect to the existing heat exchange equipment through a pipe, and then inject cold liquid into the water supply connector 103 through the existing heat exchange equipment. In addition to connecting to the heat exchange equipment to inject cold liquid, water can also be used to clean the water supply valve group 1, the leak detection structure 2 and the liquid cooling plate. Air can also be used to drain and dry the water supply valve group 1, the leak detection structure 2 and the liquid cooling plate.

[0024] The first control component is a first valve core 107 disposed in the first chamber 108. A sealing ring is also disposed on the first valve core 107. A first valve stem 106 is fixedly connected to the side of the first valve core 107 away from the second chamber 110. The end of the first valve stem 106 passes through the first valve seat 102 and extends to the outside of the first valve seat 102 and is connected to the first driving member. A sealing ring is also sleeved on the outer surface of the first valve stem 106 for sealing between the outer surface of the first valve stem 106 and the first valve seat 102. The first driving member can control the movement of the first valve core 107 through the first valve stem 106, and control the conduction or blockage between the first chamber 108 and the second chamber 110 through the movement of the first valve core 107.

[0025] The first driving component includes several first connecting rods 104 bolted to the first valve seat 102. The ends of the several first connecting rods 104 are connected by bolts to a first cylinder 105. The piston rod of the first cylinder 105 is connected to the first valve stem 106 through a floating joint. The first cylinder 105 can drive the first valve stem 106 to move.

[0026] A first notch 115 is provided on the inner wall of the first chamber 108 around the first valve stem 106. A third connection port 114 communicating with the first notch 115 is provided on the first valve seat 102. A first connector 113 is installed at the third connection port 114. Since the first valve core 107 is provided with a sealing ring, there will be a change in air pressure between the top of the first valve core 107 and the first chamber 108 during the rising process. The first connecting rod 104 and the first connector 113 can allow the air pressure above the first valve core 107 to be discharged.

[0027] The return water control valve includes a third valve seat 206 bolted to the second valve body 201. The third valve seat 206 is provided with a return water connector 205, and the third valve seat 206 is also provided with a third control component for controlling the connection and disconnection between the return water connector 205 and the second self-sealing quick connector 209.

[0028] The second valve body 201 has a fourth chamber 214 inside, and the second valve body 201 also has several fourth connection ports 216 that communicate with the fourth chamber 214. The fourth connection ports 216 are threadedly connected to the second self-sealing quick connector 209, and a sealing ring is provided at the connection between the second self-sealing quick connector 209 and the fourth connection port 216. The fourth connection ports 216 are used to realize the communication between the second self-sealing quick connector 209 and the fourth chamber 214.

[0029] The third valve seat 206 has a fifth chamber 217 that communicates with the fourth chamber 214. The third valve seat 206 also has a seventh connection port 221 that communicates with the fifth chamber 217. The return water connector 205 communicates with the seventh connection port 221. The seventh connection port 221 is used to realize the communication between the fifth chamber 217 and the return water connector 205.

[0030] The third control component includes a third valve core 215 disposed in the fifth chamber 217. A sealing ring is disposed on the third valve core 215. A third valve stem 218 is fixedly connected to the third valve core 215. One end of the third valve stem 218 passes through the third valve seat 206 and extends to the outside of the third valve seat 206 and is connected to a third driving member. A sealing ring is sleeved on the outer surface of the third valve stem 218 to achieve sealing at the connection between the outer surface of the third valve stem 218 and the third valve seat 206. During the movement of the third valve core 215, it can achieve blocking or opening between the fourth chamber 214 and the fifth chamber 217.

[0031] The third driving component includes several third connecting rods 208 bolted to the third valve seat 206. The ends of the several third connecting rods 208 are connected by bolts to a third cylinder 207. The piston rod of the third cylinder 207 is connected to the third valve stem 218 through a floating joint. The third cylinder 207 is used to drive the third valve stem 218 to move, thereby driving the third valve core 215 to move.

[0032] A second notch 224 is provided on the inner wall of the fifth chamber 217 around the third valve stem 218. An eighth connection port 222 communicating with the second notch 224 is provided on the third valve seat 206. A second connector 223 is installed at the eighth connection port 222. When the third valve core 215 moves toward the third connecting rod 208, the air pressure balance between the side of the third valve core 215 near the third connecting rod 208 and the fifth chamber 217 can be maintained through the second notch 224, the eighth connection port 222 and the second connector 223.

[0033] The second valve seat 202 has a third chamber 212. The second valve body 201 has a sixth connection port 220 and a fifth connection port 219 that communicate with the third chamber 212. The sixth connection port 220 also communicates with the fourth chamber 214. The leak detector connector 210 is installed at the fifth connection port 219. The fifth connection port 219, the third chamber 212, and the sixth connection port 220 cooperate with each other to realize the communication between the fourth chamber 214 and the leak detector connector 210.

[0034] The second control component includes a second valve core 211 disposed in the third chamber 212. A sealing ring is provided on the outer surface of the second valve core 211. A second valve stem 213 is fixedly connected to the second valve core 211. One end of the second valve stem 213 passes through the second valve seat 202 and extends to the outside of the second valve seat 202 and is provided with a second driving member. The second valve core 211 is used to control the on / off connection between the third chamber 212 and the fourth chamber 214 and the fifth connection port 219.

[0035] The second driving component includes several second connecting rods 203 bolted to the second valve seat 202. The ends of the several second connecting rods 203 are connected by bolts to a second cylinder 204. The piston rod of the second cylinder 204 is connected to the second valve stem 213 through a floating joint. The second cylinder 204 can drive the second valve core 211 to move through the second valve stem 213.

[0036] During the injection process, Figure 10 This is a schematic diagram of a liquid cooling plate. The two connectors of the liquid cooling plate are connected to the two fourth connectors 302 respectively. The second cylinder 204 is activated to move the second valve core 211 toward the sixth connection port 220, blocking the sixth connection port 220 and the fifth connection port 219. The first valve core 107 moves away from the second chamber 110, and the third valve core 215 moves away from the fourth chamber 214. Coolant is injected through water supply connector 103. The coolant enters the second chamber 110 through water supply connector 103 and first connection port 109. Then, it enters the first hose 3 near the water supply valve group 1 through the second connection port 111, first self-sealing quick connector 112 and third connector 301. Then, it enters the liquid cooling plate through the fourth connector 302 for heat exchange, thereby cooling the server. The liquid after the liquid exchange enters the second self-sealing quick connector 209 in the leak detection structure 2 through the first hose 3 connected to the leak detection structure 2. Then, it is discharged through the fourth connection port 216, fourth chamber 214, fifth chamber 217 and return water connector 205. If a leak is detected, the third valve core 215 and the first valve core 107 are in the closed state, while the second valve core 211 is away from the fourth chamber 214. The leak detector injects gas into the fifth connection port 219 through the leak detector connector 210. The gas enters the third chamber 212 through the fifth connection port 219, then enters the fourth chamber 214 through the sixth connection port 220, and then enters the liquid cooling plate and the water supply valve group 1 through the fourth connection port 216, the second self-sealing quick connector 209, the first hose 3, and the fourth connector 302, so that the leak detector can check whether the sealing performance of the cold plate meets the standard.

[0037] During self-check, refer to Figure 9 The third valve core 215 and the first valve core 107 are in the closed state, while the second valve core 211 is away from the fourth chamber 214. The leak detector injects gas into the fifth connection port 219 through the leak detector connector 210. The gas enters the third chamber 212 through the fifth connection port 219, and then enters the fourth chamber 214 through the sixth connection port 220. It then enters the water supply valve group 1 through the fourth connection port 216, the second self-sealing quick connector 209, the second hose 4, and the fifth connector 401, so that the leak detector can determine whether the overall sealing performance meets the standard.

[0038] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0039] Obviously, the embodiments described above are merely some embodiments of the present invention, not all embodiments. The accompanying drawings show preferred embodiments of the present invention, but do not limit the patent scope of the present invention. The present invention can be implemented in many different forms; rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this invention.

Claims

1. A sealed piping system for multi-functional detection of server liquid cooling plates, characterized in that, It includes a water supply valve assembly (1) and a leak detection structure (2), and also includes several pipe assemblies used in conjunction with the water supply valve assembly (1) and the leak detection structure (2). The pipe assemblies include liquid injection leak detection fittings and self-test fittings. The liquid injection leak detection fittings are used in conjunction with the water supply valve assembly (1) and the leak detection structure (2) when injecting liquid into the liquid cooling plate and when detecting leaks. The self-test fittings are used in conjunction with the water supply valve assembly (1) and the leak detection structure (2) when the water supply valve assembly (1) and the leak detection structure (2) perform self-tests. The water supply valve group (1) includes a water supply control valve, and the water supply control valve is provided with a plurality of first self-sealing quick-connect fittings (112). The leak detection structure (2) includes a second valve body (201), on which a return water control valve and several second self-sealing quick connectors (209) are provided. A leak detector connector (210) is provided on the second valve body (201) for connecting a leak detector. A second valve seat (202) is also provided on the second valve body (201), on which a second control component is provided for controlling the connection and disconnection between the leak detector connector (210) and the second self-sealing quick connectors (209).

2. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 1, characterized in that, The liquid injection leak detection fitting includes two first hoses (3), one end of each of the two first hoses (3) is connected to a third connector (301), the two third connectors (301) are respectively used to connect to the second self-sealing quick connector (209) and the first self-sealing quick connector (112), and the other end of each of the two first hoses (3) is connected to a fourth connector (302), the two fourth connectors (302) are respectively used to connect to the two pipe joints of the liquid cooling plate.

3. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 1 or 2, characterized in that, The self-test fitting includes a second hose (4), and both ends of the second hose (4) are provided with a fifth connector (401). The two fifth connectors (401) are respectively used to connect to the second self-sealing quick connector (209) and the first self-sealing quick connector (112) to realize the self-test of the water supply valve group (1) and the leak detection structure (2).

4. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 1, characterized in that, The return water control valve includes a third valve seat (206) bolted to the second valve body (201), the third valve seat (206) being provided with a return water connector (205), and the third valve seat (206) also being provided with a third control component for controlling the connection and disconnection between the return water connector (205) and the second self-sealing quick connector (209).

5. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 4, characterized in that, The second valve body (201) has a fourth chamber (214) inside, and the second valve body (201) also has a number of fourth connection ports (216) communicating with the fourth chamber (214). The fourth connection ports (216) are threadedly connected to the second self-sealing quick connector (209), and a sealing ring is provided at the connection between the second self-sealing quick connector (209) and the fourth connection port (216).

6. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 5, characterized in that, The third valve seat (206) has a fifth chamber (217) that communicates with the fourth chamber (214), and the third valve seat (206) also has a seventh connection port (221) that communicates with the fifth chamber (217). The return water connector (205) is connected to the seventh connection port (221).

7. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 6, characterized in that, The third control component includes a third valve core (215) disposed in the fifth chamber (217), a sealing ring disposed on the third valve core (215), a third valve stem (218) fixedly connected to the third valve core (215), one end of the third valve stem (218) passing through the third valve seat (206) and extending to the outside of the third valve seat (206) and connected to a third driving member, and a sealing ring sleeved on the outer surface of the third valve stem (218) to achieve sealing at the connection between the outer surface of the third valve stem (218) and the third valve seat (206); The third driving component includes several third connecting rods (208) bolted to the third valve seat (206), and the ends of the several third connecting rods (208) are bolted together with a third cylinder (207). The piston rod of the third cylinder (207) is connected to the third valve stem (218) through a floating joint.

8. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 7, characterized in that, The inner wall of the fifth chamber (217) is provided with a second recess (224) around the third valve stem (218), and the third valve seat (206) is provided with an eighth connection port (222) communicating with the second recess (224). A second connector (223) is installed at the eighth connection port (222).

9. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 8, characterized in that, The second valve seat (202) has a third chamber (212) inside. The second valve body (201) has a sixth connection port (220) and a fifth connection port (219) that communicate with the third chamber (212). The sixth connection port (220) also communicates with the fourth chamber (214). The leak detector connector (210) is installed at the fifth connection port (219).

10. The sealed pipeline system for multi-functional detection of server liquid cooling plates according to claim 9, characterized in that, The second control component includes a second valve core (211) disposed in the third chamber (212), a sealing ring being disposed on the outer surface of the second valve core (211), a second valve stem (213) being fixedly connected to the second valve core (211), one end of the second valve stem (213) passing through the second valve seat (202) and extending to the outside of the second valve seat (202) and being provided with a second driving member; The second drive component includes a plurality of second connecting rods (203) bolted to the second valve seat (202), and a second cylinder (204) is bolted between the ends of the plurality of second connecting rods (203). The piston rod of the second cylinder (204) is connected to the second valve stem (213) through a floating joint.

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