Liquid leakage prevention device and liquid cooling test system

Abstract

The utility model provides a liquid leakage prevention device and a liquid cooling test system. Comprising a first connecting pipeline, a second connecting pipeline, a transition pipeline and an electromagnetic valve, the transition pipeline is connected between the first connecting pipeline and the second connecting pipeline, one end of the first connecting pipeline is used for being communicated with a first connector of equipment to be tested, and the other end of the first connecting pipeline is communicated with one end of the transition pipeline. One end of the second connecting pipeline is communicated with the other end of the transition pipeline, and the other end of the second connecting pipeline is used for being communicated with a second connector of the circulating device; and the electromagnetic valve is communicated with the transition pipeline, and the electromagnetic valve is used for switching to a closed state when the to-be-tested equipment is powered off and blocking the circulation of the cooling working medium in the transition pipeline. According to the technical scheme, in the process that the whole machine is connected into / pulled out of the secondary pipeline, production safety accidents caused by liquid leakage of the secondary pipeline can be avoided.

Description

Technical Field

[0001] The present application relates to the field of testing technology, and in particular to a liquid leakage prevention device and a liquid cooling testing system. Background Art

[0002] With the development of information technology, the power consumption of servers has been increasing. Air cooling technology is difficult to effectively deal with the heat dissipation problem of servers. In order to meet the heat dissipation requirements of high-load servers, the heat dissipation of servers has begun to turn to liquid cooling. During production testing and debugging, liquid-cooled servers need to be connected to secondary pipelines and rely on liquid cooling cycles to complete the operation test of liquid cooling in the server. During the process of connecting / unplugging the secondary pipeline of the whole machine, if the operator forgets to turn off the valve of the secondary pipeline, it is easy to cause liquid to spray out of the secondary pipeline and spray or splash into the server, causing material loss or causing production safety accidents such as electric shock. Utility Model Content

[0003] The embodiments of the present application provide a liquid leakage prevention device and a liquid cooling test system, which can prevent production safety accidents caused by leakage of secondary pipelines during the process of connecting / unplugging the whole machine to / from the secondary pipelines.

[0004] In a first aspect, the present application provides a liquid leakage prevention device, the liquid leakage prevention device comprising:

[0005] a first connecting pipeline, a second connecting pipeline and a transition pipeline, wherein the transition pipeline is connected between the first connecting pipeline and the second connecting pipeline, one end of the first connecting pipeline is used to communicate with a first interface of a device under test, the other end of the first connecting pipeline is communicated with one end of the transition pipeline, one end of the second connecting pipeline is communicated with the other end of the transition pipeline, and the other end of the second connecting pipeline is used to communicate with a second interface of a circulation device; and

[0006] A solenoid valve is connected to the transition pipeline, and the solenoid valve is used to switch to a closed state when the device to be tested is powered off, and to block the flow of the cooling medium in the transition pipeline.

[0007] It is understandable that in the relevant technology, during the production test or debugging process, the liquid-cooled equipment under test needs to be connected to the secondary pipeline and rely on the liquid cooling cycle to complete the operation test of the liquid cooling heat dissipation in the equipment. During the process of connecting / unplugging the secondary pipeline of the whole machine, if the operator forgets to turn off the valve of the secondary pipeline, it is easy to cause liquid to spray out of the secondary pipeline and spray or splash into the inside of the equipment, causing material loss or causing production safety accidents such as electric shock.

[0008] In the embodiment of the present application, a first connecting pipeline, a second connecting pipeline and a transition pipeline are provided, and the first connecting pipeline is connected to the device to be tested that needs to be tested in the preliminary operation test, the second connecting pipeline is connected to the circulation device that provides the cooling medium, and the transition pipeline is connected to the first connecting pipeline and the second connecting pipeline, so that a liquid passage of the cooling medium can be established between the device to be tested and the circulation device through the connection relationship between the pipelines. Since the transition pipeline is a pipeline structure connected between the first connecting pipeline and the second connecting pipeline, the conduction or shutoff of the liquid passage between the first connecting pipeline and the second connecting pipeline can be controlled by controlling the flow of the cooling medium in the transition pipeline.

[0009] Therefore, an additional solenoid valve connected to the transition pipeline is provided, and the opening and closing state of the solenoid valve is associated with the power supply state of the device to be tested, so as to realize automatic control of the flow of the cooling medium in the transition pipeline through the current on and off of the solenoid valve. Specifically, when it is necessary to perform a preliminary liquid cooling test on the device to be tested, the anti-leakage device is connected to the device to be tested, and the device to be tested is powered on. When the device to be tested is powered on, the solenoid valve can be switched to an open state so that the solenoid valve controls the cooling medium in the transition pipeline to start flowing, thereby making the liquid passage between the first connecting pipeline and the second connecting pipeline conductive. When it is necessary to end the preliminary liquid cooling test of the device to be tested, the device to be tested is powered off. When the device to be tested is powered off, the solenoid valve can be switched to a closed state so that the solenoid valve controls the flow of the cooling medium in the transition pipeline, thereby closing the liquid passage between the first connecting pipeline and the second connecting pipeline. At this time, the anti-leakage device can be pulled out from the device to be tested to complete the preliminary liquid cooling test of the device to be tested.

[0010] Based on the above description, it should be understood that by making the current on-off state of the solenoid valve consistent with the current on-off state of the device to be tested, the flow of the cooling medium in the transition pipeline can be blocked by the normally closed characteristic of the solenoid valve when the device to be tested is powered off, so that the liquid passage between the first connecting pipeline and the second connecting pipeline is closed. By controlling the flow of the cooling medium in the transition pipeline by the solenoid valve, the liquid passage between the device to be tested and the circulation device can be automatically shut off, effectively avoiding the problem in the related technology that the operator forgets to close the valve due to negligence, causing the liquid to spray out of the pipeline and spray or splash into the inside of the equipment, causing material loss or electric shock and other production safety accidents. The degree of automation control is high, and the safety and reliability are good.

[0011] In a possible implementation manner, the anti-leakage device further includes a power supply circuit, and the power supply circuit is electrically connected to the solenoid valve and the device to be tested;

[0012] When the power supply circuit supplies power to the device under test, the solenoid valve is in an open state, and conducts the liquid passage between the first connecting pipeline and the second connecting pipeline;

[0013] When the power supply circuit cuts off the power to the device under test, the solenoid valve is in a closed state and cuts off the liquid passage between the first connecting pipeline and the second connecting pipeline.

[0014] It is understandable that by providing the current on-off of the solenoid valve and the device to be tested with the same power supply, and keeping the solenoid valve closed when the device to be tested is powered off, and opening when the device to be tested is powered on, the current on-off state of the device to be tested can be kept consistent with the current on-off state of the solenoid valve. Because the solenoid valve controls the circulation of the cooling medium in the transition pipeline, when the solenoid valve controls the circulation of the cooling medium in the transition pipeline, the liquid passage between the first connecting pipeline and the second connecting pipeline will be connected, and when the solenoid valve controls the cooling medium in the transition pipeline to be blocked, the liquid passage between the first connecting pipeline and the second connecting pipeline will be closed. Thus, when the device to be tested is powered on, the solenoid valve will be opened, and the liquid circuit in the anti-leakage device can be opened to supply water or drain water to the device to be tested. When the device to be tested is powered off, the solenoid valve will be closed, and the liquid circuit in the anti-leakage device will be closed. At this time, the operator can remove the pipeline of the anti-leakage device from the device to be tested. Since the liquid circuit in the anti-leakage device is in a closed state at this time, it will not cause leakage accidents, which is conducive to improving the safety performance of the anti-leakage device.

[0015] In a possible implementation, the anti-leakage device further includes a controller, which is electrically connected to the power supply circuit, and is used to control the power supply status of the power supply circuit to the device under test and the solenoid valve, so that the device under test and the solenoid valve are opened or closed together.

[0016] It can be understood that the controller, as a switch for controlling electrical signals, can control the power supply of the device under test and the solenoid valve, so that the device under test and the solenoid valve are powered on or off together. The liquid circuit in the anti-leakage device can be automatically closed when the device under test is powered off without manual operation, which is beneficial to avoiding production safety accidents caused by leakage and has better reliability.

[0017] In a possible implementation manner, the solenoid valve includes a first port and a second port, the solenoid valve further includes a flow passage, the flow passage is connected to both the first port and the second port, and the transition pipeline includes a first transition branch pipe and a second transition branch pipe;

[0018] One end of the first transition branch is connected to the other end of the first connecting pipeline, the other end of the first transition branch is connected to the first port, and the first transition branch communicates with the first connecting pipeline and the flow passage;

[0019] One end of the second transition branch is connected to the second port, the other end of the second transition branch is connected to one end of the second connecting pipeline, and the second transition branch communicates the second connecting pipeline and the flow passage.

[0020] Therefore, by splitting the transition pipeline into two branches and making the two branches connect the first connecting pipeline and the second connecting pipeline respectively, the liquid flow on one side of the first connecting pipeline and the liquid flow on the side of the second connecting pipeline can be centrally controlled, and the solenoid valve can conveniently open or block the liquid channel between the first connecting pipeline and the second connecting pipeline, with better reliability.

[0021] In a possible implementation, the anti-leakage device also includes a first ball valve and a second ball valve, the first ball valve is connected to the first connecting pipeline, the first ball valve is used to turn on or off the flow of the cooling medium in the first connecting pipeline, and the second ball valve is connected to the second connecting pipeline, the second ball valve is used to turn on or off the flow of the cooling medium in the second connecting pipeline.

[0022] It can be understood that by setting the first ball valve and the second ball valve, and making the first ball valve control the circulation of liquid in the first connecting pipeline and the second ball valve control the circulation of liquid in the second connecting pipeline, the first ball valve can independently control the conduction and shutoff of the liquid circuit on the side of the equipment to be tested, and the second ball valve can independently control the conduction and shutoff of the liquid circuit on the side of the circulation device, which is beneficial to the refined control of the circulation of the cooling medium in the first connecting pipeline and the second connecting pipeline, and facilitates the adjustment of the circulation state of the cooling medium in the first connecting pipeline and / or the second connecting pipeline according to the use scenario of the anti-leakage device.

[0023] In a possible implementation manner, the first ball valve includes a third port and a fourth port, the first ball valve further has a first valve inner flow channel, the first valve inner flow channel is connected to both the third port and the fourth port, and the first connecting pipeline includes a first connecting branch pipe and a second connecting branch pipe;

[0024] One end of the first connecting branch pipe is used to connect to the first interface of the device under test, and the other end of the first connecting branch pipe is connected to the third port, and the first connecting branch pipe communicates with the first valve internal flow channel and the device under test;

[0025] One end of the second connecting branch pipe is connected to the fourth port, and the other end of the second connecting branch pipe is connected to one end of the first transition branch pipe. The second connecting branch pipe communicates with the first valve internal flow channel and the first transition branch pipe.

[0026] Therefore, by splitting the first connecting pipeline into two branches, and connecting the two branches to the two sides of the first ball valve respectively to connect the device to be tested and the transition pipeline respectively, the liquid flow on both sides of the first ball valve can be centrally controlled, which is conducive to the first ball valve to conveniently open or block the liquid channel between the device to be tested and the transition pipeline, and has better reliability.

[0027] In a possible implementation manner, the second ball valve includes a fifth port and a sixth port, the second ball valve further has a second valve inner flow channel, the second valve inner flow channel is connected to both the fifth port and the sixth port, and the second connecting pipeline includes a third connecting branch pipe and a fourth connecting branch pipe;

[0028] One end of the third connecting branch pipe is connected to the second transition branch pipe, the other end of the third connecting branch pipe is connected to the fifth port, and the third connecting branch pipe communicates with the second transition branch pipe and the second valve inner flow channel;

[0029] One end of the fourth connecting branch pipe is connected to the sixth port, and the other end of the fourth connecting branch pipe is used to connect to the second interface of the circulation device. The fourth connecting branch pipe communicates with the second valve internal flow channel and the circulation device.

[0030] Therefore, by splitting the second connecting pipeline into two branches, and connecting the two branches to the two sides of the second ball valve respectively to connect the transition pipeline and the circulation device respectively, the liquid flow on both sides of the second ball valve can be centrally controlled, which is conducive to the second ball valve to conveniently open or block the liquid channel between the transition pipeline and the circulation device, and has better reliability.

[0031] In a possible implementation, the anti-leakage device further includes a first clamp and a second clamp, wherein the first clamp is clamped at the connection between the first transition branch pipe and the second connecting branch pipe, and the second clamp is clamped at the connection between the second transition branch pipe and the third connecting branch pipe.

[0032] Among them, the pipe diameter of the first clamp can be adapted to the pipe diameter of the connection between the first transition branch of the transition pipeline and the second connecting branch of the first connecting pipeline, and the first clamp can play the role of tightening and sealing the connection between the first transition branch of the transition pipeline and the second connecting branch of the first connecting pipeline.

[0033] The pipe diameter of the second clamp can be adapted to the pipe diameter of the connection between the second transition branch of the transition pipeline and the third connecting branch of the second connecting pipeline, and the second clamp can play a role in tightening and sealing the connection between the second transition branch of the transition pipeline and the third connecting branch of the second connecting pipeline.

[0034] In a possible implementation manner, the anti-leakage device further includes a third clamp and a fourth clamp;

[0035] The third clamp is used to clamp at the connection between the first test tube and the first connecting branch, and the first test tube is used to connect the first interface of the device under test and the first connecting branch;

[0036] The fourth clamp is clamped at the connection between the second test tube and the fourth connecting branch pipe, and the second test tube is used to connect the second interface of the circulation device and the fourth connecting branch pipe.

[0037] The diameter of the third clamp can be matched with the diameter of the connection between the first connecting branch of the first connecting pipeline and the first test tube, and the third clamp can tighten and seal the connection between the first connecting branch of the first connecting pipeline and the first test tube.

[0038] The diameter of the fourth clamp can match the diameter of the connection between the fourth connecting branch of the second connecting pipeline and the second test tube, and the fourth clamp can fasten and seal the connection between the fourth connecting branch of the second connecting pipeline and the second test tube.

[0039] In a second aspect, the present application also provides a liquid-cooled testing system, which includes a device to be tested, a circulation system and the anti-leakage device as described above, wherein the anti-leakage device is connected between the circulation system and the device to be tested to allow the cooling medium to flow between the circulation system and the device to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 is a schematic diagram of an application scenario of a liquid cooling test system provided in an embodiment of the present application;

[0041] Figure 2 It is a structural schematic diagram of a liquid leakage prevention device provided in an embodiment of the present application;

[0042] Figure 3 yes Figure 2 An exploded schematic diagram of the anti-leakage device shown;

[0043] Figure 4 is another structural schematic diagram of the anti-leakage device provided in an embodiment of the present application;

[0044] Figure 5a yes Figure 2The schematic diagram of the assembly of the transition line and the solenoid valve is shown;

[0045] Figure 5b yes Figure 5a An exploded schematic diagram of the transition line and solenoid valve is shown;

[0046] Figure 6 yes Figure 2 The assembly diagram of the first connecting pipeline and the first ball valve shown;

[0047] Figure 7 yes Figure 2 The assembly diagram of the second connecting pipeline and the second ball valve shown;

[0048] Figure 8 yes Figure 6 An exploded schematic diagram of the first connecting pipeline and the first ball valve shown;

[0049] Fig. 9 yes Figure 7 An exploded schematic diagram of the second connecting pipeline and the second ball valve shown;

[0050] Fig.10 yes Figure 2 A partial structural schematic diagram of the anti-leakage device shown;

[0051] Fig.11 yes Figure 1 A partial structural schematic diagram of the connection between the anti-leakage device and the first test tube and the second test tube is shown. DETAILED DESCRIPTION

[0052] For ease of understanding, the terms involved in the embodiments of the present application are first explained.

[0053] And / or: It is just a way to describe the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone.

[0054] Multiple: refers to two or more than two.

[0055] Connection: should be understood in a broad sense. For example, A and B are connected, which can be either direct or indirect through an intermediary.

[0056] The specific implementation of the present application will be clearly described below in conjunction with the accompanying drawings.

[0057] The embodiments of the present application provide a liquid leakage prevention device and a liquid cooling test system. The liquid cooling test system refers to a system that can perform production liquid cooling test or debugging on the device under test. By performing production liquid cooling test or debugging on the device under test through the liquid cooling test system, it can be determined whether the operation of the liquid cooling cycle of the device under test is reliable. The device under test can be any device that uses liquid cooling to dissipate heat, such as a liquid-cooled whole cabinet server, a liquid-cooled server node, etc.

[0058] For ease of understanding, the following description will be given using the device to be tested as a liquid-cooled whole cabinet server as an example, but it should be understood that this is not a limitation.

[0059] See also Figure 1 , Figure 1 2 is a schematic diagram of an application scenario of the liquid cooling test system 200 provided in an embodiment of the present application. Figure 1 In the figure, a simple block diagram is used to exemplarily illustrate the positional relationship between the device under test 240, the anti-leakage device 100 and the circulation device 210 in the liquid cooling test system 200, and the connecting lines between the structures only exemplarily represent the connection relationship between the structures and do not constitute a specific limitation.

[0060] The liquid cooling test system 200 may include a device under test 240, a circulation device 210 and a liquid leakage prevention device 100. The circulation device 210 may provide the cooling medium and its circulation required for liquid cooling. The liquid leakage prevention device 100 may be connected to the circulation device 210, and connected to the device under test 240 when production testing or debugging of the device under test 240 is required, so that the cooling medium flows in the liquid leakage prevention device 100, so that a liquid passage is formed between the device under test 240 and the circulation device 210. Exemplarily, the circulation device 210 may be a main pipe of the secondary side pipeline. Alternatively, the circulation device 210 may be a branch of the secondary side pipeline.

[0061] In a possible implementation, Figure 1 As shown, the liquid cooling test system 200 may further include a first test tube 220 and a second test tube 230. Exemplarily, the first test tube 220 may be a hose.

[0062] One end of the first test tube 220 is used to connect with the device to be tested 240, and the other end of the first test tube 220 is connected with one end of the anti-leakage device 100, and the first test tube 220 connects the device to be tested 240 and the anti-leakage device 100. Specifically, the first test tube 220 has a first test flow channel, and the first test flow channel penetrates the first test tube 220 along the extension direction of the first test tube 220, and the first test flow channel can allow the cooling medium to flow through. The first test flow channel has two openings, one opening of the first test flow channel is opened at one end of the first test tube 220, and one opening of the first test flow channel is used to dock and communicate with the device to be tested 240. The other opening of the first test flow channel is opened at the other end of the first test tube 220, and the other opening of the first test flow channel is used to dock and communicate with the first connecting branch 11 of the first connecting pipeline 10 described below.

[0063] It can be understood that the first test tube 220 is a pipeline structure in the liquid cooling test system 200. By setting the first test tube 220, the pipeline length of the first test tube 220 can be used to conveniently and quickly realize the connection between the device under test 240 and the first connecting pipeline 10 of the anti-leakage device 100.

[0064] One end of the second test tube 230 is connected to the other end of the anti-leakage device 100, and the other end of the second test tube 230 is used to connect to the circulation device 210, and the second test tube 230 connects the anti-leakage device 100 and the circulation device 210. Specifically, the second test tube 230 has a second test flow channel, and the second test flow channel runs through the second test tube 230 along the extension direction of the second test tube 230, and the second test flow channel can allow the cooling medium to flow through. The second test flow channel has two openings, one opening of the second test flow channel is opened at one end of the second test tube 230, and one opening of the second test flow channel is used to dock and communicate with the fourth connecting branch 22 of the second connecting pipeline 20 described below. The other opening of the second test flow channel is opened at the other end of the second test tube 230, and the other opening of the second test flow channel is used to dock and communicate with the circulation device 210.

[0065] It can be understood that the second test tube 230 is a pipeline structure in the liquid cooling test system 200. By setting the second test tube 230, the pipeline length of the second test tube 230 can be used to conveniently and quickly realize the connection between the circulation device 210 and the second connecting pipeline 20 of the anti-leakage device 100.

[0066] Please refer to Figure 2 and Figure 3 , Figure 2 is a structural schematic diagram of a liquid leakage prevention device 100 provided in an embodiment of the present application, Figure 3 yes Figure 2 The exploded schematic diagram of the anti-leakage device 100 is shown.

[0067] The anti-leakage device 100 may include a first connecting pipeline 10, a second connecting pipeline 20, a transition pipeline 30 and a solenoid valve 40. The first connecting pipeline 10 and the second connecting pipeline 20 are respectively located on both sides of the transition pipeline, and the transition pipeline 30 connects the first connecting pipeline 10 and the second connecting pipeline 20. One end of the first connecting pipeline 10 is used to communicate with the first interface (not shown) of the device under test 240, and the other end of the first connecting pipeline 10 is used to communicate with one end of the transition pipeline 30. One end of the second connecting pipeline 20 is used to communicate with the other end of the transition pipeline 30, and the other end of the second connecting pipeline 20 is used to communicate with the second interface (not shown) of the circulation device 210. The solenoid valve 40 is connected to the transition pipeline 30, and the solenoid valve 40 can control the circulation of the cooling medium in the transition pipeline 30 and adjust the flow rate of the cooling medium in the transition pipeline 30. The solenoid valve 40 can be used to switch to the open state when the device under test 240 is powered on, and allow the cooling medium to circulate in the transition pipeline 30. The solenoid valve 40 can also be used to switch to a closed state when the device under test 240 is powered off, and block the flow of the cooling medium in the transition line 30 .

[0068] Among them, the first interface of the device under test 240 can be the liquid inlet of the device under test 240, and the second interface of the circulation device 210 can be the liquid outlet of the circulation device 210. The first connecting pipeline 10, the transition pipeline 30 and the second connecting pipeline 20 can be connected in sequence and serve as the liquid supply pipeline between the device under test 240 and the circulation device 210. As a result, the low-temperature cooling medium in the circulation device 210 can flow out of the circulation device 210 through the second interface of the circulation device 210, and flow through the second connecting pipeline 20, the transition pipeline 30 and the first connecting pipeline 10 in sequence, and finally flow into the device under test 240 through the first interface of the device under test 240. Exemplarily, the first interface of the device under test 240 can be the liquid inlet of the liquid distributor in the cabinet.

[0069] Alternatively, the first interface of the device under test 240 may be a liquid outlet of the device under test 240, and the second interface of the circulation device 210 may be a liquid inlet of the circulation device 210. The first connecting pipeline 10, the transition pipeline 30, and the second connecting pipeline 20 may be connected in sequence and serve as a liquid return pipeline between the device under test 240 and the circulation device 210. Thus, the cooling medium after the temperature rises in the device under test 240 can flow out of the device under test 240 through the first interface of the device under test 240, and flow through the first connecting pipeline 10, the transition pipeline 30, and the second connecting pipeline 20 in sequence, and finally flow back to the circulation device 210 through the second interface of the circulation device 210.

[0070] It is understandable that in the relevant technology, during the production test or debugging process, the liquid-cooled equipment under test needs to be connected to the secondary pipeline and rely on the liquid cooling cycle to complete the operation test of the liquid cooling heat dissipation in the equipment. During the process of connecting / unplugging the secondary pipeline of the whole machine, if the operator forgets to turn off the valve of the secondary pipeline, it is easy to cause liquid to spray out of the secondary pipeline and spray or splash into the inside of the equipment, causing material loss or causing production safety accidents such as electric shock.

[0071] In the embodiment of the present application, a first connecting pipeline 10, a second connecting pipeline 20 and a transition pipeline 30 are provided, and the first connecting pipeline 10 is connected to the device under test 240 that needs to be tested in the preliminary operation test, the second connecting pipeline 20 is connected to the circulation device 210 that provides the cooling medium, and the transition pipeline 30 is connected to the first connecting pipeline 10 and the second connecting pipeline 20, so that a liquid passage of the cooling medium can be established between the device under test 240 and the circulation device 210 through the connection relationship between the pipelines. Since the transition pipeline 30 is a pipeline structure connected between the first connecting pipeline 10 and the second connecting pipeline 20, the conduction or shutoff of the liquid passage between the first connecting pipeline 10 and the second connecting pipeline 20 can be controlled by controlling the flow of the cooling medium in the transition pipeline 30.

[0072] Therefore, an additional solenoid valve 40 connected to the transition line 30 is provided, and the opening and closing state of the solenoid valve 40 is associated with the power supply state of the device under test 240, so as to realize automatic control of the flow condition of the cooling medium in the transition line 30 by the current on and off of the solenoid valve 40. Specifically, when it is necessary to perform a preliminary liquid cooling test on the device under test 240, the anti-leakage device 100 is connected to the device under test 240, so that the device under test 240 is powered on. When the device under test 240 is powered on, the solenoid valve 40 can be switched to the open state, so that the solenoid valve 40 controls the cooling medium in the transition line 30 to start flowing, thereby making the liquid passage between the first connecting line 10 and the second connecting line 20 conductive. When it is necessary to end the preliminary liquid cooling test on the device under test 240, the device under test 240 is powered off. When the device under test 240 is powered off, the solenoid valve 40 can be switched to a closed state so that the solenoid valve 40 controls the flow of the cooling medium in the transition pipeline 30 to be blocked, thereby closing the liquid passage between the first connecting pipeline 10 and the second connecting pipeline 20. At this time, the anti-leakage device 100 is pulled out of the device under test 240 to complete the preliminary liquid cooling test of the device under test 240.

[0073] Based on the above description, it should be understood that by making the current on-off state of the solenoid valve 40 consistent with the current on-off state of the device under test 240, when the device under test 240 is powered off, the normally closed characteristic of the solenoid valve 40 when powered off can be used to block the flow of the cooling medium in the transition pipeline 30, so that the liquid passage between the first connecting pipeline 10 and the second connecting pipeline 20 is closed. By controlling the flow of the cooling medium in the transition pipeline 30 through the solenoid valve 40, the liquid passage between the device under test 240 and the circulation device 210 can be automatically shut off, effectively avoiding the problem in the related art that the operator forgets to close the valve due to negligence, causing the liquid to spray out of the pipeline and spray or splash into the inside of the equipment, causing material loss or electric shock and other production safety accidents, with a high degree of automation control and good safety and reliability.

[0074] It should be noted that the improvement in the structure of the anti-leakage device 100 in the embodiment of the present application is mainly applied to the production test or debugging stage of the device under test 240. When the device under test 240 is in the production test or debugging stage, the anti-leakage device 100 is connected to perform liquid cooling circulation on the device under test 240, so that the cooling medium circulates in the device under test 240 to complete the debugging or testing of the device under test 240. However, it should be understood that the improvement in the structure of the anti-leakage device 100 in the embodiment of the present application can also be applied to the normal use stage of the device under test 240. When the device under test 240 is in the normal use stage, the anti-leakage device 100 is connected to the device under test 240 to effectively avoid the problem of production safety accidents caused by liquid leakage in the liquid pipe when the whole machine liquid pipe is removed.

[0075] See also Figure 4 , Figure 4 It is another structural schematic diagram of the anti-leakage device 100 provided in an embodiment of the present application. Figure 4 In the figure, the lines in the simple square frame power supply circuit 50 only represent the electrical connection relationship and do not constitute a specific limitation.

[0076] The anti-leakage device 100 may further include a power supply circuit 50, which may be electrically connected to the electromagnetic valve 40 and the device under test 240, and may provide the electromagnetic valve 40 and the device under test 240 with power required for operation. The power supply circuit 50 may be divided into two power supply paths, one path of the power supply circuit 50 supplies power to the electromagnetic valve 40, and the other path of the power supply circuit 50 supplies power to the device under test 240. The two power supply paths of the power supply circuit 50 may be turned on or off at the same time, so that the device under test 240 and the electromagnetic valve 40 are powered on or off at the same time.

[0077] Specifically, when the power supply circuit 50 supplies power to the device under test 240, the solenoid valve 40 is in an open state and conducts the liquid passage between the first connecting pipeline 10 and the second connecting pipeline 20. When the power supply circuit 50 cuts off power to the device under test 240, the solenoid valve 40 is in a closed state and cuts off the liquid passage between the first connecting pipeline 10 and the second connecting pipeline 20.

[0078] It can be understood that by providing the current on-off of the solenoid valve 40 and the device under test 240 with the same power supply, and keeping the solenoid valve 40 closed when the device under test 240 is powered off, and opening when the device under test 240 is powered on, the current on-off state of the device under test 240 can be kept consistent with the current on-off state of the solenoid valve 40. In addition, because the solenoid valve 40 controls the flow of the cooling medium in the transition pipeline 30, when the solenoid valve 40 controls the flow of the cooling medium in the transition pipeline 30, the liquid passage between the first connecting pipeline 10 and the second connecting pipeline 20 will be connected, and when the solenoid valve 40 controls the cooling medium in the transition pipeline 30 to be blocked, the liquid passage between the first connecting pipeline 10 and the second connecting pipeline 20 will be closed. Therefore, when the device under test 240 is powered on, the solenoid valve 40 will be opened, and the liquid path in the anti-leakage device 100 can be opened to supply water or drain water to the device under test 240. When the device under test 240 is powered off, the solenoid valve 40 will be closed, and the liquid path in the anti-leakage device 100 will be closed. At this time, the operator can remove the pipeline of the anti-leakage device 100 from the device under test 240. Since the liquid path in the anti-leakage device 100 is in a closed state at this time, no leakage accident will occur, which is conducive to improving the safety performance of the anti-leakage device 100.

[0079] Please continue reading Figure 4 The anti-leakage device 100 may further include a controller 60, which is electrically connected to the power supply circuit 50. The controller 60 may control the power supply state of the power supply circuit 50 to the device under test 240 and the solenoid valve 40, so that the device under test 240 and the solenoid valve 40 are opened together. Alternatively, the controller 60 may control the power supply state of the power supply circuit 50 to the device under test 240 and the solenoid valve 40, so that the device under test 240 and the solenoid valve 40 are closed together. Exemplarily, the controller 60 may be an air switch in a distribution box.

[0080] It can be understood that the controller 60, as a switch for controlling electrical signals, can control the power supply of the device under test 240 and the solenoid valve 40, so that the device under test 240 and the solenoid valve 40 are powered on or powered off together. The liquid circuit in the anti-leakage device 100 can be automatically closed when the device under test 240 is powered off without manual operation, which is beneficial to avoiding the occurrence of production safety accidents caused by leakage and has better reliability.

[0081] The above briefly describes the structure of each part of the anti-leakage device 100. The following will describe in detail the specific structure of the first connecting pipeline 10, the second connecting pipeline 20, the transition pipeline 30 and the solenoid valve 40 in the anti-leakage device 100 in conjunction with the accompanying drawings.

[0082] Please refer to Figure 5a and Figure 5b , Figure 5a yes Figure 2 The schematic diagram of the assembly of the transition line 30 and the solenoid valve 40 is shown in FIG. Figure 5b yes Figure 5a An exploded schematic diagram of the transition line 30 and the solenoid valve 40 is shown.

[0083] The transition pipeline 30 may include a first transition branch pipe 31 and a second transition branch pipe 32. The first transition branch pipe 31 and the second transition branch pipe 32 are respectively located on both sides of the solenoid valve 40, and the first transition branch pipe 31 is connected between the first connecting pipeline 10 and the solenoid valve 40, and can communicate the first connecting pipeline 10 and the solenoid valve 40. The second transition branch pipe 32 is connected between the second connecting pipeline 20 and the solenoid valve 40, and can communicate the second connecting pipeline 20 and the solenoid valve 40.

[0084] Specifically, the first transition branch 31 has a first transition channel 311, which penetrates the first transition branch 31 along the extension direction of the first transition branch 31, and the first transition channel 311 can allow the cooling medium to flow through. The first transition channel 311 has two openings, one of which is opened at one end of the first transition branch 31, and one of which is used to connect with the first connecting pipeline 10. The other opening of the first transition channel 311 is opened at the other end of the first transition branch 31, and the other opening of the first transition channel 311 is used to connect with the first port 41 of the solenoid valve 40.

[0085] The second transition branch 32 has a second transition channel 321, which runs through the second transition branch 32 along the extension direction of the second transition branch 32, and the second transition channel 321 can allow the cooling medium to flow through. The second transition channel 321 has two openings, one of which is opened at one end of the second transition branch 32, and one of which is used to connect and communicate with the second port 42 of the solenoid valve 40. The other opening of the second transition channel 321 is opened at the other end of the second transition branch 32, and the other opening of the second transition channel 321 is used to connect and communicate with the second connecting pipeline 20.

[0086] The solenoid valve 40 may include a first port 41 and a second port 42. The first port 41 of the solenoid valve 40 is a port in the solenoid valve 40 that is in communication with the first transition branch 31, and the second port 42 of the solenoid valve 40 is a port in the solenoid valve 40 that is in communication with the second transition branch 32. The solenoid valve 40 also has a flow passage 43, and the flow passage 43 of the solenoid valve 40 is in communication with both the first port 41 of the solenoid valve 40 and the second port 42 of the solenoid valve 40.

[0087] Based on the above description, it should be understood that one end of the first transition branch 31 is connected to the other end of the first connecting pipeline 10, the other end of the first transition branch 31 is connected to the first port 41 of the solenoid valve 40, and the first transition flow channel 311 of the first transition branch 31 connects the first connecting pipeline 10 and the flow channel 43 of the solenoid valve 40. One end of the second transition branch 32 is connected to the second port 42 of the solenoid valve 40, the other end of the second transition branch 32 is connected to one end of the second connecting pipeline 20, and the second transition flow channel 321 of the second transition branch 32 connects the second connecting pipeline 20 and the flow channel 43 of the solenoid valve 40. In other words, the first transition branch 31, the solenoid valve 40 and the second transition branch 32 are connected in sequence and can together constitute a flow channel in the transition pipeline 30 for the flow of the cooling medium.

[0088] Therefore, by splitting the transition pipeline 30 into two branches and making the two branches connect the first connecting pipeline 10 and the second connecting pipeline 20 respectively, the liquid flow on one side of the first connecting pipeline 10 and the liquid flow on the side of the second connecting pipeline 20 can be centrally controlled, and the solenoid valve 40 can be conveniently opened or blocked The liquid channel between the first connecting pipeline 10 and the second connecting pipeline 20 has better reliability.

[0089] Please refer to Figure 6 and Figure 7 , Figure 6 yes Figure 2 The schematic diagram of the assembly of the first connecting pipeline 10 and the first ball valve 70 is shown in FIG. Figure 7 yes Figure 2 The schematic diagram of the assembly of the second connecting pipeline 20 and the second ball valve 80 is shown. The anti-leakage device 100 may further include a first ball valve 70 and a second ball valve 80 .

[0090] The first ball valve 70 is connected to the first connecting pipeline 10. The first ball valve 70 can control the circulation and flow regulation of the cooling medium in the first connecting pipeline 10, and can be used to conduct or shut off the flow of the cooling medium in the first connecting pipeline 10. Specifically, when the first ball valve 70 is opened, the cooling medium in the first connecting pipeline 10 is allowed to flow. When the first ball valve 70 is closed, the flow of the cooling medium in the first connecting pipeline 10 is blocked. Exemplarily, the flow of the cooling medium in the first connecting pipeline 10 can be controlled or blocked by rotating the handle of the first ball valve 70.

[0091] The second ball valve 80 is in communication with the second connecting pipeline 20. The second ball valve 80 can control the flow of the cooling medium in the second connecting pipeline 20, and can be used to turn on or off the flow of the cooling medium in the second connecting pipeline 20. Specifically, when the second ball valve 80 is opened, the cooling medium in the second connecting pipeline 20 is allowed to flow. When the second ball valve 80 is closed, the flow of the cooling medium in the second connecting pipeline 20 is blocked. Exemplarily, the flow of the cooling medium in the second connecting pipeline 20 can be controlled or blocked by rotating the handle of the second ball valve 80.

[0092] It can be understood that by setting the first ball valve 70 and the second ball valve 80, and making the first ball valve 70 control the circulation of the liquid in the first connecting pipeline 10, and the second ball valve 80 control the circulation of the liquid in the second connecting pipeline 20, the first ball valve 70 can independently control the conduction and shutoff of the liquid circuit on the side of the device under test 240, and the second ball valve 80 can independently control the conduction and shutoff of the liquid circuit on the side of the circulation device 210, which is beneficial to the refined control of the circulation of the cooling medium in the first connecting pipeline 10 and the second connecting pipeline 20, and it is convenient to adjust the circulation state of the cooling medium in the first connecting pipeline 10 and / or the second connecting pipeline 20 according to the use scenario of the anti-leakage device 100.

[0093] It should be noted that since the first ball valve 70 and the second ball valve 80 respectively control the flow conditions of the first connecting pipeline 10 and the second connecting pipeline 20, and the first connecting pipeline 10 and the second connecting pipeline 20 are also connected in series through the transition pipeline 30, if the cooling medium is to form a smooth liquid channel between the circulation device 210 and the device under test 240, the first ball valve 70 on the side of the first connecting pipeline 10 and the second ball valve 80 on the side of the second connecting pipeline 20 need to be opened. When the device under test 240 completes the preliminary liquid cooling test, the first ball valve 70 and the second ball valve 80 can be manually closed after the solenoid valve 40 is powered off. In addition, it should be understood that after the equipment to be tested 240 completes the preliminary liquid cooling test, the operator will remove the first connecting pipeline 10 from the equipment to be tested 240. At this time, even if the operator fails to close the first ball valve 70 and / or the second ball valve 80, due to the existence of the solenoid valve 40 and the characteristics of the solenoid valve 40 and the equipment to be tested 240 being powered off and normally closed when powered off, the flow of the cooling medium in the anti-leakage device 100 will also be interrupted, and no liquid will be sprayed out of the pipeline of the anti-leakage device 100, effectively avoiding the occurrence of production safety accidents such as leakage and material loss caused by liquid leaking from the pipeline of the anti-leakage device 100 and spraying or splashing into the equipment to be tested 240. In addition, after the test is completed, the pipeline in the anti-leakage device 100 will be dried using drying equipment, and the subsequent process will not be repeated.

[0094] The above briefly describes the connection relationship between the first ball valve 70 and the first connecting pipeline 10 and the second ball valve 80 and the second connecting pipeline 20. The following will describe in detail the specific implementation form of the connection between the first ball valve 70 and the first connecting pipeline 10 and the second ball valve 80 and the second connecting pipeline 20 in conjunction with the accompanying drawings.

[0095] Please refer to Figure 6 and Figure 8 , Figure 8 yes Figure 6 An exploded schematic diagram of the first connecting pipeline 10 and the first ball valve 70 is shown.

[0096] The first connecting pipeline 10 may include a first connecting branch pipe 11 and a second connecting branch pipe 12. The first connecting branch pipe 11 and the second connecting branch pipe 12 are respectively located on both sides of the first ball valve 70, and the first connecting branch pipe 11 is used to connect between the device under test 240 and the first ball valve 70, and can connect the device under test 240 and the first ball valve 70. The second connecting branch pipe 12 is used to connect between the transition pipeline 30 and the first ball valve 70, and can connect the transition pipeline 30 and the first ball valve 70.

[0097] Specifically, the first connecting branch pipe 11 has a first connecting flow channel 111, and the first connecting flow channel 111 penetrates the first connecting branch pipe 11 along the extension direction of the first connecting branch pipe 11, and the first connecting flow channel 111 can allow the cooling medium to flow through. The first connecting flow channel 111 has two openings, one opening of the first connecting flow channel 111 is opened at one end of the first connecting branch pipe 11, and one opening of the first connecting flow channel 111 is used to communicate with the device under test 240. The other opening of the first connecting flow channel 111 is opened at the other end of the first connecting branch pipe 11, and the other opening of the first connecting flow channel 111 is used to connect and communicate with the third port 71 of the first ball valve 70.

[0098] The second connecting branch pipe 12 has a second connecting flow channel 121, which penetrates the second connecting branch pipe 12 along the extension direction of the second connecting branch pipe 12, and the second connecting flow channel 121 can allow the cooling medium to flow through. The second connecting flow channel 121 has two openings, one of which is opened at one end of the second connecting branch pipe 12, and one of which is used to connect and communicate with the fourth port 72 of the first ball valve 70. The other opening of the second connecting flow channel 121 is opened at the other end of the second connecting branch pipe 12, and the other opening of the second connecting flow channel 121 is used to connect and communicate with the first transition branch pipe 31.

[0099] The first ball valve 70 may include a third port 71 and a fourth port 72. The third port 71 of the first ball valve 70 is a port in the first ball valve 70 that is connected to the first connecting branch pipe 11, and the fourth port 72 of the first ball valve 70 is a port in the first ball valve 70 that is connected to the second connecting branch pipe 12. The first ball valve 70 also has a first valve inner flow channel 73, and the first valve inner flow channel 73 of the first ball valve 70 is connected to both the third port 71 of the first ball valve 70 and the fourth port 72 of the first ball valve 70.

[0100] Based on the above description, it should be understood that one end of the first connecting branch pipe 11 is used to connect with the first interface of the device under test 240, the other end of the first connecting branch pipe 11 is connected to the third port 71 of the first ball valve 70, and the first connecting flow channel 111 of the first connecting branch pipe 11 is connected to the first valve internal flow channel 73 of the first ball valve 70 and the flow channel in the device under test 240. One end of the second connecting branch pipe 12 is connected to the fourth port 72 of the first ball valve 70, the other end of the second connecting branch pipe 12 is connected to one end of the first transition branch pipe 31, and the second connecting flow channel 121 of the second connecting branch pipe 12 is connected to the first valve internal flow channel 73 of the first ball valve 70 and the first transition flow channel 311 of the first transition branch pipe 31. In other words, the first connecting branch pipe 11, the first ball valve 70 and the second connecting branch pipe 12 are connected in sequence and can together constitute a flow channel in the first connecting pipeline 10 for the flow of the cooling medium.

[0101] Therefore, by splitting the first connecting pipeline 10 into two branches, and connecting the two branches to the two sides of the first ball valve 70 respectively to connect the device under test 240 and the transition pipeline 30 respectively, the liquid flow on both sides of the first ball valve 70 can be centrally controlled, which is conducive to the first ball valve 70 to conveniently open or block the liquid channel between the device under test 240 and the transition pipeline 30, and has better reliability.

[0102] Please refer to Figure 7 and Fig. 9 , Fig. 9 yes Figure 7 The exploded schematic diagram of the second connecting pipeline 20 and the second ball valve 80 is shown.

[0103] The second connecting pipeline 20 may include a third connecting branch pipe 21 and a fourth connecting branch pipe 22. The third connecting branch pipe 21 and the fourth connecting branch pipe 22 are respectively located on both sides of the second ball valve 80, and the third connecting branch pipe 21 is used to connect between the transition pipeline 30 and the second ball valve 80, and can connect the transition pipeline 30 and the second ball valve 80. The fourth connecting branch pipe 22 is used to connect between the second ball valve 80 and the circulation device 210, and can connect the second ball valve 80 and the circulation device 210.

[0104] Specifically, the third connecting branch pipe 21 has a third connecting flow channel 211, which penetrates the third connecting branch pipe 21 along the extension direction of the third connecting branch pipe 21, and the third connecting flow channel 211 can allow the cooling medium to flow through. The third connecting flow channel 211 has two openings, one of which is opened at one end of the third connecting branch pipe 21, and one of which is used to connect and communicate with the transition pipeline 30. The other opening of the third connecting flow channel 211 is opened at the other end of the third connecting branch pipe 21, and the other opening of the third connecting flow channel 211 is used to connect and communicate with the fifth port 81 of the second ball valve 80.

[0105] The fourth connecting branch pipe 22 has a fourth connecting flow channel 221, which penetrates the fourth connecting branch pipe 22 along the extension direction of the fourth connecting branch pipe 22, and the fourth connecting flow channel 221 can allow the cooling medium to flow through. The fourth connecting flow channel 221 has two openings, one of which is opened at one end of the fourth connecting branch pipe 22, and one of which is used to connect and communicate with the sixth port 82 of the second ball valve 80. The other opening of the fourth connecting flow channel 221 is opened at the other end of the fourth connecting branch pipe 22, and the other opening of the fourth connecting flow channel 221 is used to communicate with the circulation device 210.

[0106] The second ball valve 80 may include a fifth port 81 and a sixth port 82. The fifth port 81 of the second ball valve 80 is a port in the second ball valve 80 that is connected to the third connecting branch pipe 21, and the sixth port 82 of the second ball valve 80 is a port in the second ball valve 80 that is connected to the fourth connecting branch pipe 22. The second ball valve 80 also has a second valve inner flow channel 83, and the second valve inner flow channel 83 of the second ball valve 80 is connected to both the fifth port 81 and the sixth port 82 of the second ball valve 80.

[0107] Based on the above description, it should be understood that one end of the third connecting branch pipe 21 is connected to the second transition branch pipe 32, the other end of the third connecting branch pipe 21 is connected to the fifth port 81 of the second ball valve 80, and the third connecting flow channel 211 of the third connecting branch pipe 21 is connected to the second transition flow channel 321 of the second transition branch pipe 32 and the second valve internal flow channel 83 of the second ball valve 80. One end of the fourth connecting branch pipe 22 is connected to the sixth port 82 of the second ball valve 80, the other end of the fourth connecting branch pipe 22 is used to connect to the second interface of the circulation device 210, and the fourth connecting flow channel 221 of the fourth connecting branch pipe 22 is connected to the second valve internal flow channel 83 of the second ball valve 80 and the flow channel in the circulation device 210. In other words, the third connecting branch pipe 21, the second ball valve 80 and the fourth connecting branch pipe 22 are connected in sequence and can together constitute a flow channel in the second connecting pipeline 20 for the flow of the cooling medium.

[0108] Therefore, by splitting the second connecting pipeline 20 into two branches, and connecting the two branches to the two sides of the second ball valve 80 respectively to connect the transition pipeline 30 and the circulation device 210 respectively, the liquid flow on both sides of the second ball valve 80 can be centrally controlled, which is conducive to the second ball valve 80 to conveniently open or block the liquid channel between the transition pipeline 30 and the circulation device 210, and has better reliability.

[0109] To sum up, the first connecting branch 11 of the first connecting pipeline 10, the first ball valve 70, the second connecting branch 12 of the first connecting pipeline 10, the first transition branch 31 of the transition pipeline 30, the solenoid valve 40, the second transition branch 32 of the transition pipeline 30, the third connecting branch 21 of the second connecting pipeline 20, the second ball valve 80 and the fourth connecting branch 22 of the second connecting pipeline 20 can be connected end to end in sequence to form a pipeline structure in the anti-leakage device 100 so that the cooling medium can flow in the anti-leakage device 100.

[0110] See also Fig.10 , Fig.10 yes Figure 2 A partial structural schematic diagram of the anti-leakage device 100 is shown. In the embodiment of the present application, the anti-leakage device 100 may further include a first clamp 91 and a second clamp 92 .

[0111] The first clamp 91 can be clamped at the connection between the first transition branch pipe 31 of the transition pipeline 30 and the second connection branch pipe 12 of the first connection pipeline 10. The pipe diameter of the first clamp 91 can be adapted to the pipe diameter of the connection between the first transition branch pipe 31 of the transition pipeline 30 and the second connection branch pipe 12 of the first connection pipeline 10, and the first clamp 91 can play a role in fastening and sealing the connection between the first transition branch pipe 31 of the transition pipeline 30 and the second connection branch pipe 12 of the first connection pipeline 10.

[0112] The second clamp 92 is clamped at the connection between the second transition branch pipe 32 of the transition pipeline 30 and the third connection branch pipe 21 of the second connection pipeline 20. The pipe diameter of the second clamp 92 can be adapted to the pipe diameter of the connection between the second transition branch pipe 32 of the transition pipeline 30 and the third connection branch pipe 21 of the second connection pipeline 20, and the second clamp 92 can play a role in fastening and sealing the connection between the second transition branch pipe 32 of the transition pipeline 30 and the third connection branch pipe 21 of the second connection pipeline 20.

[0113] For a possible implementation, see Fig.11 , Fig.11 yes Figure 1 The leakage prevention device 100 shown is a partial structural schematic diagram of the connection between the first test tube and the second test tube. The leakage prevention device 100 may further include a third clamp 93 and a fourth clamp 94.

[0114] The third clamp 93 is clamped at the connection between the first connecting branch pipe 11 of the first connecting pipeline 10 and the first test pipe 220. The pipe diameter of the third clamp 93 can be adapted to the pipe diameter of the connection between the first connecting branch pipe 11 of the first connecting pipeline 10 and the first test pipe 220, and the third clamp 93 can play a role in fastening and sealing the connection between the first connecting branch pipe 11 of the first connecting pipeline 10 and the first test pipe 220.

[0115] The fourth clamp 94 is clamped at the connection between the fourth connecting branch pipe 22 of the second connecting pipeline 20 and the second test pipe 230. The pipe diameter of the fourth clamp 94 can be adapted to the pipe diameter of the connection between the fourth connecting branch pipe 22 of the second connecting pipeline 20 and the second test pipe 230, and the fourth clamp 94 can play a role in fastening and sealing the connection between the fourth connecting branch pipe 22 of the second connecting pipeline 20 and the second test pipe 230.

[0116] The embodiments of the present application are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A liquid leakage prevention device, characterized in that: The anti-leakage device comprises: a first connecting pipeline, a second connecting pipeline and a transition pipeline, wherein the transition pipeline is connected between the first connecting pipeline and the second connecting pipeline, one end of the first connecting pipeline is used to communicate with a first interface of a device under test, the other end of the first connecting pipeline is communicated with one end of the transition pipeline, one end of the second connecting pipeline is communicated with the other end of the transition pipeline, and the other end of the second connecting pipeline is used to communicate with a second interface of a circulation device; and A solenoid valve is connected to the transition pipeline, and the solenoid valve is used to switch to a closed state when the device to be tested is powered off, and to block the flow of the cooling medium in the transition pipeline.

2. The liquid leakage prevention device according to claim 1, characterized in that: The anti-leakage device further comprises a power supply circuit, wherein the power supply circuit is electrically connected to the solenoid valve and the device to be tested; When the power supply circuit supplies power to the device under test, the solenoid valve is in an open state, and conducts the liquid passage between the first connecting pipeline and the second connecting pipeline; When the power supply circuit cuts off the power to the device under test, the solenoid valve is in a closed state and cuts off the liquid passage between the first connecting pipeline and the second connecting pipeline.

3. The liquid leakage prevention device according to claim 2, characterized in that: The anti-leakage device also includes a controller, which is electrically connected to the power supply circuit. The controller is used to control the power supply state of the power supply circuit to the device under test and the solenoid valve, so that the device under test and the solenoid valve are opened or closed together.

4. The liquid leakage prevention device according to claim 1 or 2, characterized in that: The solenoid valve comprises a first port and a second port, the solenoid valve further comprises a flow passage, the flow passage is in communication with both the first port and the second port, and the transition pipeline comprises a first transition branch pipe and a second transition branch pipe; One end of the first transition branch is connected to the other end of the first connecting pipeline, the other end of the first transition branch is connected to the first port, and the first transition branch communicates with the first connecting pipeline and the flow passage; One end of the second transition branch is connected to the second port, the other end of the second transition branch is connected to one end of the second connecting pipeline, and the second transition branch communicates the second connecting pipeline and the flow passage.

5. The liquid leakage prevention device according to claim 4, characterized in that: The anti-leakage device also includes a first ball valve and a second ball valve, the first ball valve is connected to the first connecting pipeline, the first ball valve is used to conduct or shut off the flow of the cooling medium in the first connecting pipeline, and the second ball valve is connected to the second connecting pipeline, the second ball valve is used to conduct or shut off the flow of the cooling medium in the second connecting pipeline.

6. The liquid leakage prevention device according to claim 5, characterized in that: The first ball valve includes a third port and a fourth port, the first ball valve also has a first valve inner flow channel, the first valve inner flow channel is connected to the third port and the fourth port, and the first connecting pipeline includes a first connecting branch pipe and a second connecting branch pipe; One end of the first connecting branch pipe is used to connect to the first interface of the device under test, and the other end of the first connecting branch pipe is connected to the third port, and the first connecting branch pipe communicates with the first valve internal flow channel and the device under test; One end of the second connecting branch pipe is connected to the fourth port, and the other end of the second connecting branch pipe is connected to one end of the first transition branch pipe. The second connecting branch pipe communicates with the first valve internal flow channel and the first transition branch pipe.

7. The liquid leakage prevention device according to claim 6, characterized in that: The second ball valve includes a fifth port and a sixth port, the second ball valve also has a second valve inner flow channel, the second valve inner flow channel is connected to the fifth port and the sixth port, and the second connecting pipeline includes a third connecting branch pipe and a fourth connecting branch pipe; One end of the third connecting branch pipe is connected to the second transition branch pipe, the other end of the third connecting branch pipe is connected to the fifth port, and the third connecting branch pipe communicates with the second transition branch pipe and the second valve inner flow channel; One end of the fourth connecting branch pipe is connected to the sixth port, and the other end of the fourth connecting branch pipe is used to connect to the second interface of the circulation device. The fourth connecting branch pipe communicates with the second valve internal flow channel and the circulation device.

8. The liquid leakage prevention device according to claim 7, characterized in that: The anti-leakage device also includes a first clamp and a second clamp. The first clamp is clamped at the connection between the first transition branch pipe and the second connecting branch pipe, and the second clamp is clamped at the connection between the second transition branch pipe and the third connecting branch pipe.

9. The liquid leakage prevention device according to claim 7, characterized in that: The anti-leakage device also includes a third clamp and a fourth clamp; The third clamp is used to clamp at the connection between the first connecting branch pipe and the first test pipe, and the first test pipe is used to connect the first interface of the device to be tested and the first connecting branch pipe; The fourth clamp is used to be clamped at the connection between the fourth connecting branch pipe and the second test pipe, and the second test pipe is used to connect the second interface of the circulation device and the fourth connecting branch pipe.

10. A liquid cooling test system, characterized in that: The liquid cooling test system includes a device to be tested, a circulation system and a liquid leakage prevention device as described in any one of claims 1 to 9, wherein the liquid leakage prevention device is connected between the circulation system and the device to be tested so that a cooling medium flows between the circulation system and the device to be tested.

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