Immersed liquid cooling system and charging equipment

Abstract

The invention provides an immersed liquid cooling system and charging equipment, and relates to the technical field of energy. The liquid cooling system comprises a liquid cooling pipeline, a to-be-managed component and two bent pipes. The to-be-managed component is in direct contact with the cooling liquid, and when the to-be-managed component is conducted with the liquid cooling pipeline, the ion precipitation rate of the to-be-managed component is larger than that of the liquid cooling pipeline. The two bent pipes are respectively connected with a liquid inlet and a liquid outlet of the to-be-managed component, and the two bent pipes are used for preventing the cooling liquid from flowing between the to-be-managed component and the liquid cooling pipeline. By adopting the liquid cooling system, the volume of the cooling liquid in contact with the to-be-managed component is reduced, so that the ion precipitation of the to-be-managed component is inhibited by utilizing the large ion concentration of the part of cooling liquid. Therefore, when the flowing of the cooling liquid between the to-be-managed component and the liquid cooling pipeline is blocked, ions released by the to-be-managed component to the cooling liquid of the liquid cooling system are effectively reduced, so that the ion concentration rising rate of the cooling liquid in the liquid cooling system is slowed down, and the service life of the liquid cooling system is prolonged.

Description

Technical Field

[0001] This application relates to the field of energy technology, and in particular to an immersion liquid cooling system and charging equipment. Background Technology

[0002] With the development of electric vehicles, the number of charging stations has also increased dramatically. Charging stations typically have multiple charging devices that can charge electric vehicles using charging guns.

[0003] During the charging process of an electric vehicle, the temperature of the charging gun's cables rises significantly. To ensure charging efficiency and reduce the risk of damage to the charging gun cables and potential hazards to users, a liquid cooling system is typically installed in the charging gun to cool the cables. Currently, to ensure effective heat dissipation, an immersion liquid cooling system is commonly used to cool high-current components such as the charging gun's cables. During long-term use of an immersion liquid cooling system, a deionizer is needed to maintain the coolant's conductivity at a low level to ensure the normal operation of the charging equipment. However, the rapid ion release rate of components immersed in the coolant shortens the effective time of the deionizer, thus reducing the lifespan of the entire immersion liquid cooling system. Summary of the Invention

[0004] This application provides an immersion liquid cooling system and a charging device to extend the service life of the immersion liquid cooling system, thereby improving the operational reliability of the charging device.

[0005] Firstly, this application provides an immersion liquid cooling system. The system includes liquid cooling piping, a component to be managed, and two bends. The component to be managed is connected to the liquid cooling piping and is in direct contact with the coolant. When the component to be managed is connected to the liquid cooling piping, the ion deposition rate of the component to be managed is greater than the ion deposition rate of the liquid cooling piping. One bend is connected to the inlet of the component to be managed, and the other bend is connected to the outlet of the component to be managed. The two bends are used to block the flow of coolant between the component to be managed and the liquid cooling piping. By using the immersion liquid cooling system provided in this application, the volume of coolant in contact with the component to be managed is reduced, thereby utilizing the high ion concentration of this portion of the coolant to suppress ion deposition in the component to be managed. This effectively reduces the amount of ions released from the controlled components into the coolant of the entire liquid cooling system when the flow of coolant between the controlled components and the liquid cooling pipeline is obstructed. This effectively slows down the rate of increase in ion concentration in the coolant of the liquid cooling system, which helps to shorten the maintenance cycle of the liquid cooling system and extend the service life of the entire immersion liquid cooling system.

[0006] In this application, when the liquid cooling system stops operating, the coolant between the two bends is separated from the coolant in the liquid cooling pipes. At this time, the component to be managed comes into contact with the coolant between the two bends. During the process of the component releasing ions into the coolant, the ion concentration in this portion of the coolant rises rapidly. When the ion concentration in the coolant reaches a certain value, it will, in turn, inhibit the ion release from the component to be managed.

[0007] In addition, the liquid cooling system also includes a water tank, which is connected to the bends via liquid cooling piping. When the liquid cooling system stops operating, the coolant level in the bends is the same as the coolant level in the water tank. This prevents the coolant in other parts of the liquid cooling system from flowing into the coolant between the two bends due to gravity when the system is not running, thereby improving the effectiveness of suppressing the rate of increase in ion concentration.

[0008] Furthermore, when the liquid cooling system stops operating, the coolant level in the liquid cooling pipes is lower than the coolant level in the bends. This prevents the coolant in the liquid cooling pipes from flowing into the coolant between the two bends due to gravity, thereby improving the effectiveness of suppressing the rate of increase in ion concentration.

[0009] It is understood that in this application, the volume of coolant located between the two bends is smaller than the volume of coolant in the liquid cooling pipeline. This allows for a faster rate of increase in the ion concentration in the coolant located between the two bends when the liquid cooling system is not in operation, thereby enabling timely management of the ion deposition rate of the components under control.

[0010] This ensures that, after a set time when the liquid cooling system has stopped operating, the ion deposition rate of the component to be managed is less than or equal to the ion deposition rate of the liquid cooling pipeline. This helps reduce the ion deposition on the component to be managed, thus slowing down the rate of increase in ion concentration in the coolant within the liquid cooling system.

[0011] This application does not limit the specific arrangement of the bends. In one possible embodiment, at least one bend in the bend may be positioned away from the ground. This ensures that when the liquid cooling system is not running, the coolant in the liquid cooling pipeline cannot enter the bend positioned away from the ground, thereby improving the barrier effect between the coolant in the liquid cooling pipeline and the coolant located between the two bends.

[0012] In one possible implementation of this application, the bend can be a U-shaped tube or a serpentine tube to simplify the structure of the liquid cooling system.

[0013] The liquid cooling system provided in this application also includes a water pump, a heat exchanger, and pipe joints connected via liquid cooling pipelines. The water pump drives the coolant to flow within the liquid cooling system, the heat exchanger dissipates heat from the coolant, and the pipe joints connect adjacent liquid cooling pipelines. Since the water pump, heat exchanger, and pipe joints are all in direct contact with the coolant, in one possible implementation of this application, the component to be managed may include at least one of the water pump, heat exchanger, and pipe joint.

[0014] In one possible implementation of this application, the liquid cooling system further includes a deionizer connected to the liquid cooling piping. The deionizer can be used to capture ions in the coolant of the liquid cooling piping, thereby maintaining the ion concentration in the coolant of the entire liquid cooling system at a low level.

[0015] Secondly, this application also provides a charging device, which includes a charging host, a charging gun, and a liquid cooling system as described in the first aspect. The charging host includes a power conversion module, and the charging gun includes a cable. The power conversion module converts AC power into DC power and then transmits it to the charging gun via the cable. At least a portion of the power conversion module and the cable are immersed in coolant to utilize the liquid cooling system for heat dissipation of the charging device. In this charging device, due to the long service life of the liquid cooling system, the heat dissipation reliability of components such as the power conversion module and the cable can be guaranteed, thereby improving the operational reliability of the charging device.

[0016] Since both the power conversion module and the cables are in direct contact with the coolant, in one possible implementation of this application, the components to be managed also include at least one of the power conversion module and the cables. This effectively slows down the rate of increase in ion concentration in the coolant within the liquid cooling system by reducing the amount of ions released from the power conversion module and cables into the coolant throughout the liquid cooling system, thereby extending the service life of the liquid cooling system. Attached Figure Description

[0017] Figure 1 A system architecture diagram of a charging station provided in an embodiment of this application;

[0018] Figure 2 Another system architecture diagram of the charging station provided in the embodiments of this application;

[0019] Figure 3 A schematic diagram of an immersion liquid cooling system provided in an embodiment of this application;

[0020] Figure 4 This is another schematic diagram of the immersion liquid cooling system provided in the embodiments of this application;

[0021] Figure 5 This is another schematic diagram of the immersion liquid cooling system provided in the embodiments of this application.

[0022] Figure label:

[0023] 100 - Charging host; 101 - Charging terminal; 102 - Charging gun; 2000 - Electric vehicle; 3000 - Power grid; 4000 - Energy storage equipment;

[0024] 1-Liquid cooling piping; 2-Components to be managed; 3-Isolation assembly; 3a, 3b-Bends; 3c, 3d-Switch valves; 3e-Bypass piping; 3f-Bypass valve;

[0025] 4-Deionizer; 5-Water tank; 6-Heat exchanger; 7-Water pump; 8-Inlet pipe; 9-Outlet pipe; 10-Cable; 10a-Positive electrode cable;

[0026] 10b - Negative cable; 11 - Pipe connector; 12 - Spiral pipe. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to the accompanying drawings. However, the exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein. The same reference numerals in the figures denote the same or similar structures, and therefore repeated descriptions of them will be omitted. The terms expressing position and direction described in the embodiments of this application are illustrative based on the accompanying drawings, but changes can be made as needed, and all such changes are included within the scope of protection of this application. The accompanying drawings of the embodiments of this application are only for illustrating relative positional relationships and do not represent actual scale.

[0028] It should be noted that specific details are set forth in the following description to facilitate understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0029] To facilitate understanding of the immersion liquid cooling system provided in the embodiments of this application, its application scenarios will be described first. Figure 1 This is a system architecture diagram of a charging station provided in an embodiment of this application. Figure 1 As shown, the charging station includes multiple charging devices, which can be used to charge electric vehicles 2000. In this embodiment, the charging devices are arranged in a split manner, that is, the charging host 100 and the charging terminal 101 (or charging pile) of the charging device are each in a cabinet. The charging host 100 is electrically connected to each charging terminal 101, and each charging terminal 101 is electrically connected to the charging gun 102 via a cable. The charging gun 102 is used to electrically connect to the electric vehicle 2000 via a cable.

[0030] The power conversion module of the charging host 100 can convert the AC power from the power grid 3000 into stable DC power and then deliver it to the charging terminal. Alternatively, the charging host 100 can directly deliver the DC power received from the energy storage device 4000 to the charging terminal. The charging terminal can then deliver the DC power to the electric vehicle 2000 through the charging gun 102 that is electrically connected to it.

[0031] The charging terminal 101 may include a housing, a human-machine interface, a charging control unit, and a metering and billing unit, and is used for information exchange, energy transmission, and metering and billing with the electric vehicle 2000.

[0032] Figure 2 This is another system architecture diagram of the charging station provided in an embodiment of this application. Figure 2 In this design, the charging equipment 1000 is an integrated structure, meaning it integrates a charging host 100 and at least one charging gun 102 electrically connected to the charging host 100. Charging terminals do not need to be separately installed in the charging station; the human-machine interface, charging control unit, and metering and billing unit can be directly integrated into the charging host 100. The power conversion module in the charging host 100 converts the AC power from the power grid 3000 into stable DC power, which is then directly supplied to the electric vehicle 2000 through the charging gun 102.

[0033] During the charging process of the electric vehicle 2000 via the charging gun 102 of the charging device 1000, a large amount of heat is generated in the power conversion module of the charging host 100 and the cable of the charging gun 102. To ensure the charging efficiency and safety of the charging device, heat dissipation for the power conversion module and cable is typically required. Currently, heat dissipation solutions for these high-current-carrying components mainly include natural cooling, air cooling, indirect liquid cooling, and immersion liquid cooling. For natural cooling, air cooling, and indirect liquid cooling, the thermal resistance is relatively high due to the presence of other structures (such as insulation layers) between the heat-generating components and the cooling medium, resulting in less than ideal heat dissipation. Immersion liquid cooling, on the other hand, involves direct contact between the heat-generating components and the cooling medium, with no other substances between them, thus resulting in lower thermal resistance.

[0034] Currently, immersion liquid cooling is divided into oil immersion, fluorinated liquid immersion, and water immersion. Among them, oil immersion and fluorinated liquid immersion use cooling oil and fluorinated liquid as cooling media, respectively. However, the thermodynamic and physical properties of these two cooling media are relatively poor, and their heat dissipation capacity is not as good as that of water immersion liquid cooling, which uses deionized water as the cooling medium.

[0035] In water immersion liquid cooling technology, the cooling medium is in direct contact with the heat-generating component, resulting in low thermal resistance. Furthermore, deionized water exhibits superior thermal properties and strong heat dissipation capabilities. Therefore, it is one of the preferred solutions for addressing heat dissipation issues in high-current-carrying components (such as cables) in charging and other similar scenarios.

[0036] However, due to the use of water-immersion liquid cooling technology, the coolant is in direct contact with various components connected to the liquid cooling system (such as power conversion modules, cables, heat exchangers, and pipes). This causes these components to release ions, atoms, or molecules into the coolant, thereby increasing the coolant's conductivity. As the coolant's conductivity increases, when a high voltage of hundreds or thousands of volts is applied, the coolant will be electrolyzed, producing a large amount of hydrogen gas, which poses a risk of combustion and explosion. Simultaneously, the coolant's insulation properties decrease, increasing the risk of electric shock. Therefore, a deionizer is needed in the water-immersion liquid cooling system to capture ions in the coolant and maintain its conductivity at a low level. However, because the components in the immersion liquid cooling system release ions very quickly, the deionizer's effective time is short, resulting in a shortened maintenance cycle and affecting the system's lifespan.

[0037] In view of this, the immersion liquid cooling system provided in this application manages the ion concentration in the coolant that exchanges heat with various components. This utilizes the sudden increase in ion concentration in the coolant to suppress ion release, thereby slowing down the rate of increase in ion concentration in the coolant throughout the immersion liquid cooling system, which helps extend the service life of the entire system. To facilitate understanding of the technical solution of this application, the following detailed description will be provided in conjunction with the accompanying drawings and specific embodiments.

[0038] Figure 3 This is a schematic diagram of a submersible liquid cooling system provided in an embodiment of this application. The submersible liquid cooling system includes a liquid cooling pipeline 1, a managed component 2, and an isolation assembly 3. The managed component 2 is connected to the liquid cooling pipeline 1, and when the managed component 2 is connected to the liquid cooling pipeline 1, coolant can flow between the liquid cooling pipeline 1 and the managed component 2.

[0039] As described above, in this application, the managed component 2 is a device that is in direct contact with the coolant and can precipitate ions and release them into the coolant. Furthermore, when the managed component 2 is connected to the liquid cooling pipeline 1, the ion precipitation rate of the managed component 2 is greater than the ion precipitation rate of the liquid cooling pipeline 1.

[0040] In addition, the isolation component 3 is connected to the inlet and outlet of the component to be managed 2, and the isolation component 3 is used to block the flow of coolant between the component to be managed 2 and the liquid cooling pipeline 1. This can isolate the coolant in contact with the component to be managed 2 from the coolant in the liquid cooling pipeline 1, that is, prevent the two parts of coolant from communicating; or it can reduce the flow rate of coolant between the component to be managed 2 and the liquid cooling pipeline 1.

[0041] Understandably, when the flow of coolant between the managed component 2 and the liquid cooling pipe 1 is obstructed, the volume of coolant in contact with the managed component 2 is smaller. This results in a faster increase in the ion concentration of the coolant in contact with the managed component 2 during the process of ion precipitation from the managed component 2 into the coolant. When the ion concentration in the coolant reaches a certain value, it will, in turn, inhibit ion precipitation from the managed component 2. Furthermore, when the liquid cooling system restarts, the managed component 2 and the liquid cooling pipe 1 are reconnected to achieve the heat dissipation function.

[0042] Therefore, by using the immersion liquid cooling system provided in this application, the volume of coolant in contact with the component 2 to be managed is reduced, thereby utilizing the high ion concentration of this portion of coolant to suppress ion precipitation from the component 2. This effectively reduces the amount of ions released from the component 2 into the entire liquid cooling system when the flow of coolant between the component 2 and the liquid cooling pipe 1 is obstructed. This effectively slows down the rate of increase in ion concentration of the coolant in the liquid cooling system, which helps to shorten the maintenance cycle of the liquid cooling system and extend the service life of the entire immersion liquid cooling system.

[0043] After understanding the design principle of the immersion liquid cooling system provided in this application, the specific configuration of the liquid cooling system will be introduced next.

[0044] like Figure 3 As shown in this application, the liquid cooling pipeline 1 includes not only pipes for coolant flow but also multiple components connected by these pipes. Specifically, the liquid cooling pipeline 1 may include a deionizer 4, a water tank 5, a heat exchanger 6, and a water pump 7, etc., and these components are connected by pipes. The deionizer 4 is used to capture ions in the coolant of the liquid cooling pipeline 1, so as to maintain the ion concentration in the coolant of the entire liquid cooling system at a low level. The water tank 5 is used to store coolant or supply coolant to the entire liquid cooling system. The heat exchanger 6 is used to cool the coolant in the entire liquid cooling system. The water pump 7 is used to drive the coolant to circulate throughout the liquid cooling system.

[0045] This application does not limit the relative positional relationship or specific connection method of the above-mentioned components. For example, in Figure 3In the illustrated embodiment, the deionizer 4 is connected upstream of the water tank 5, and the water pump 7 is connected downstream of the water tank 5. In other embodiments, these components may be arranged in other relative positions.

[0046] It is worth mentioning that, since the managed component 2 is a device that is in direct contact with the coolant and can release ions into the coolant, in this application, the managed component 2 may include, but is not limited to, the heat exchanger 6 and water pump 7 mentioned above, and may also be a connector or other component connected to or connected to the liquid cooling pipeline 1, which will not be listed here. In the following embodiments of this application, the managed component 2 is described using the heat exchanger 6 as an example.

[0047] In addition to the above structure, the liquid cooling system provided in this application may also include heat dissipation pipes for heat-generating components. The heat dissipation pipes for heat-generating components are connected to other components of the liquid cooling system through liquid cooling pipes 1, so as to achieve heat dissipation of the heat-generating components by circulating coolant between the heat dissipation pipes for heat-generating components and other components of the liquid cooling system.

[0048] like Figure 3 As shown, taking the liquid cooling system provided in this application for dissipating heat from the charging gun cable 10 as an example, the heat dissipation pipes of the heat-generating components include a liquid inlet pipe 8 and a liquid outlet pipe 9 for the charging gun. The liquid inlet pipe 8 and the liquid outlet pipe 9 are connected, and the charging gun cable 10 is immersed in the coolant flowing through the liquid outlet pipe 9. It can be understood that the positive electrode cable 10a and the negative electrode cable 10b of the charging gun are respectively immersed in the coolant of different liquid outlet pipes 9.

[0049] In addition, the inlet pipe 8 and outlet pipe 9 of the charging gun can be connected to other components of the liquid cooling system via pipe connector 11 and liquid cooling pipe 1, respectively. Pipe connector 11 can be used to connect to adjacent liquid cooling systems. This allows the charging gun to be quickly separated from other components of the liquid cooling system in case of a malfunction, enabling rapid replacement of the charging gun.

[0050] It is worth mentioning that, due to the longer fluid path of the inlet pipe 8, it is beneficial to increase the insulation resistance of the coolant entering the outlet pipe 9. This can effectively reduce the risk of short circuits in the positive cable 10a and negative cable 10b of the charging gun that is immersed in the coolant in the delivery pipe.

[0051] In addition, such as Figure 3As shown, the liquid cooling pipeline 1 also includes two spiral tubes 12. One spiral tube 12 is connected to the liquid outlet pipe 9 for cooling the positive cable 10a via a pipe connector 11, and the other spiral tube 12 is connected to the liquid outlet pipe 9 for cooling the negative cable 10b via a pipe connector 11. This also utilizes the long fluid path of the spiral tube 12 to increase the flow rate of the coolant entering the liquid cooling pipeline 1 from each liquid outlet pipe 9, thereby reducing the risk of short circuits between the positive cable 10a and the negative cable 10b of the charging gun.

[0052] It is understandable that the spiral tube 12 can also be installed in the heat dissipation pipe of the charging gun, that is, each liquid outlet pipe 9 is connected to the spiral tube 12 and then connected to other components of the liquid cooling system through the pipe joint 11.

[0053] When the liquid cooling system provided in this application is used to dissipate heat for other heat-generating components, the heat dissipation pipes of the corresponding heat-generating components can also be connected to other components of the liquid cooling system in a similar manner to achieve heat dissipation for the heat-generating components.

[0054] It is worth mentioning that, in some possible embodiments of this application, when the ion deposition rate of the pipe connector 11 is high, the managed component 2 may also include the pipe connector 11. Additionally, when the ion deposition rate of heat-generating components such as cables or power conversion modules is high, the managed component 2 may also include at least one of these heat-generating components such as cables 10 or power conversion modules. The specific configuration can be referred to in the above embodiments, and will not be elaborated upon here.

[0055] As described above, the isolation component 3 can be used to prevent coolant from flowing between the managed component 2 and the liquid cooling pipeline 1. To achieve this function, the isolation component 3 can be configured in various ways. For example, in... Figure 3 In the embodiment shown, the isolation component 3 includes two bends, one bend 3a connecting the liquid cooling line 1 to the inlet of the component to be managed 2, and the other bend 3b connecting the liquid cooling line 1 to the outlet of the component to be managed 2, so that the component to be managed 2 is located between the two bends.

[0056] This application does not limit the specific bending form of the pipe; an example could be... Figure 3 The U-shaped tube shown can also be other forms of bends such as serpentine tubes, as long as they can be used to block the flow of coolant between the component to be managed 2 and the liquid cooling pipeline 1.

[0057] In addition, such as Figure 3As shown in this application, at least one bend in the pipe is off-ground. This ensures that when the liquid cooling system stops operating, the coolant in the liquid cooling pipe 1 cannot enter the bend off-ground, thus isolating the coolant between the two bends from the coolant in the liquid cooling pipe 1 through air within the bend. At this time, the component to be managed 2 comes into contact with the coolant between the two bends. Since the volume of the coolant between the two bends is smaller than the volume of the coolant in the liquid cooling pipe 1, the ion concentration in this portion of the coolant rises more rapidly during the ion deposition process from the component to be managed 2. When the ion concentration in the coolant reaches a certain value, it in turn inhibits the ion deposition from the component to be managed 2. This ensures that after a set time since the liquid cooling system has stopped operating, the ion deposition rate of the component to be managed 2 is less than or equal to the ion deposition rate of the liquid cooling pipe 1.

[0058] Understandably, the coolant level in tank 5 is typically higher than the coolant level in other parts of the liquid cooling system. Therefore, in this application, when the liquid cooling system is in... Figure 3 In the state shown, the coolant level in the bend is the same as the coolant level in tank 5. This prevents the coolant in other parts of the liquid cooling system from flowing into the coolant between the two bends due to gravity when the liquid cooling system is not running, thereby improving the effectiveness of suppressing the rate of increase in ion concentration.

[0059] Furthermore, when the liquid cooling system stops operating, the coolant level in liquid cooling pipe 1 is lower than the coolant level in the bend. This is to prevent the coolant in liquid cooling pipe 1 from communicating with the coolant located between the two bends due to gravity, thereby improving the effectiveness of suppressing the rate of increase in ion concentration.

[0060] In addition, when the liquid cooling system restarts, the coolant in the entire liquid cooling system circulates under the action of the water pump 7, so that the coolant located between the two bends merges with the coolant in the liquid cooling pipe 1, thereby realizing the heat dissipation function of the liquid cooling system.

[0061] It is understandable that, by adopting the solution provided in this application, the rate of increase in ion concentration of the coolant in the liquid cooling system can be effectively slowed down, which is beneficial to extending the effective time of the deionizer 4, thereby shortening the maintenance cycle of the liquid cooling system and extending the service life of the entire immersion liquid cooling system.

[0062] It is worth mentioning that, in this application, the liquid cooling system stopping operation can refer to the state when the charging gun is not in use, which effectively reduces the rate of increase in ion concentration in the coolant of the liquid cooling system when the charging gun is not in use. Furthermore, when the ion concentration in the coolant of liquid cooling line 1 reaches a set threshold, the liquid cooling system can be shut off to stop its operation. Once the ion concentration in the coolant of liquid cooling line 1 is restored to the set range by deionizer 4, the liquid cooling system can be restarted to meet the heat dissipation requirements of the charging equipment.

[0063] Figure 4 This is another schematic diagram of the immersion liquid cooling system provided in an embodiment of this application. Figure 4 In this configuration, the isolation component 3 includes two switching valves. One valve, 3c, connects the liquid cooling line 1 to the inlet of the managed component 2, and the other valve, 3d, connects the liquid cooling line 1 to the outlet of the managed component 2. This allows the two valves to be closed when the liquid cooling system stops operating, preventing coolant flow between the managed component 2 and the liquid cooling line 1. This reduces the volume of coolant in contact with the managed component 2, allowing the high ion concentration of this portion of coolant to suppress ion deposition from the managed component 2. It is understood that after a set time of closure of the two valves, the ion deposition rate of the managed component 2 will be less than or equal to the ion deposition rate of the liquid cooling line 1.

[0064] In addition, when the ion concentration in the coolant of liquid cooling line 1 returns to the set range, the liquid cooling system can be restarted to meet the heat dissipation requirements of the charging equipment.

[0065] Figure 4 Other structures of the immersion liquid cooling system shown can be referenced. Figure 3 The embodiments shown are configured as described herein, and will not be elaborated upon here.

[0066] Figure 5 This is another schematic diagram of the immersion liquid cooling system provided in an embodiment of this application. Figure 5 In this configuration, the isolation component 3 includes a bypass pipe 3e and a bypass valve 3f. The bypass valve 3f is connected in series with the bypass pipe 3e, and the bypass pipe 3e is connected in parallel with the component to be managed 2. This allows the bypass valve 3f to open when the ion concentration in the liquid cooling pipeline 1 exceeds a set threshold, enabling most of the coolant in the liquid cooling pipeline 1 to flow through the bypass pipe 3e. This reduces the flow rate of the coolant passing through the component to be managed 2, effectively blocking the flow of coolant between the component to be managed 2 and the liquid cooling pipeline 1, thus helping to slow down the ion precipitation rate of the component to be managed 2. It is understood that after the bypass valve 3f has been open for a set time, the ion concentration of the coolant in contact with the component to be managed 2 is greater than the ion concentration in the bypass pipe 3e. Therefore, the higher ion concentration of this portion of the coolant can be used to suppress ion precipitation in the component to be managed 2.

[0067] Figure 5 Other structures of the immersion liquid cooling system shown can be referenced. Figure 3 or Figure 4 The embodiments shown are configured as described herein, and will not be elaborated upon here.

[0068] The above embodiments are merely several exemplary descriptions of the specific configuration of the immersion liquid cooling system provided in this application. Based on the above design principles, the specific structure of the liquid cooling system can also be adapted to meet the specific configuration requirements of actual application scenarios. These modifications will not be listed here, but they should all be understood to fall within the protection scope of this application.

[0069] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An immersion liquid cooling system, characterized in that, It includes liquid cooling piping, a component to be managed, and two bends, wherein the component to be managed is connected to the liquid cooling piping, wherein: When the component to be managed is in direct contact with the coolant and when the component to be managed is connected to the liquid cooling pipeline, the ion deposition rate of the component to be managed is greater than the ion deposition rate of the liquid cooling pipeline. One of the elbows connects the liquid cooling line to the inlet of the component to be managed, and the other elbow connects the liquid cooling line to the outlet of the component to be managed; the two elbows are used to block the flow of coolant between the component to be managed and the liquid cooling line.

2. The liquid cooling system as described in claim 1, characterized in that, When the liquid cooling system stops operating, the coolant located between the two bends is separated from the coolant in the liquid cooling pipeline.

3. The liquid cooling system as described in claim 2, characterized in that, The liquid cooling system also includes a water tank, which is connected to the bend via the liquid cooling pipeline; when the liquid cooling system stops operating, the level of the coolant in the bend is the same as the level of the coolant in the water tank.

4. The liquid cooling system as described in claim 2 or 3, characterized in that, When the liquid cooling system stops operating, the level of the coolant in the liquid cooling pipeline is lower than the level of the coolant in the bend.

5. The liquid cooling system according to any one of claims 1 to 4, characterized in that, The volume of the coolant located between the two bends is smaller than the volume of the coolant in the liquid cooling pipeline.

6. The liquid cooling system as described in claim 5, characterized in that, After the liquid cooling system stops operating for a set time, the ion deposition rate of the component to be managed is less than or equal to the ion deposition rate of the liquid cooling pipeline.

7. The liquid cooling system according to any one of claims 1 to 6, characterized in that, At least one bend in the pipe is away from the ground.

8. The liquid cooling system according to any one of claims 1 to 7, characterized in that, The bend is either a U-shaped pipe or a serpentine pipe.

9. The liquid cooling system according to any one of claims 1 to 8, characterized in that, The liquid cooling system also includes a water pump, a heat exchanger, and a pipe joint connected through the liquid cooling pipeline. The water pump is used to drive the coolant to flow in the liquid cooling system, the heat exchanger is used to dissipate heat from the coolant, and the pipe joint is used to connect adjacent liquid cooling pipelines. The managed component includes at least one of the water pump, heat exchanger, and pipe joint.

10. The liquid cooling system according to any one of claims 1 to 9, characterized in that, The liquid cooling system also includes a deionizer, which is connected to the liquid cooling pipeline.

11. A charging device, characterized in that, The device includes a charging host, a charging gun, and a liquid cooling system as described in any one of claims 1 to 10, wherein the charging host includes a power conversion module, the charging gun includes a cable, the power conversion module is used to convert AC power into DC power and then deliver it to the charging gun through the cable; at least a portion of the power conversion module and the cable are immersed in the coolant.

12. The charging device as described in claim 11, characterized in that, The managed component also includes at least one of the power conversion module and the cable.

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