Liquid cooling charging system

Abstract

The utility model relates to a liquid cooling charging system, comprising a liquid cooling circulation system; at least one group of charging assemblies, wherein each group of charging assemblies comprises a main cabinet and at least two charging piles connected with the main cabinet; the main cabinet is provided with a liquid cooling charging module, and the charging pile is provided with a liquid cooling charging gun. Each group of heat exchange system comprises a first heat exchange device and at least two second heat exchange devices; the first heat exchange device is arranged corresponding to the main cabinet and connected with the liquid cooling circulation system, and the second heat exchange device is arranged corresponding to the charging pile and connected with the liquid cooling circulation system. According to the liquid cooling charging system, the space utilization rate of the main cabinet and the charging pile is improved, miniaturization design of the main cabinet and the charging pile is facilitated, and the charging power requirement of the charging system can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy field especially relates to liquid cooling charging system. BACKGROUND

[0002] With the increasingly serious global energy crisis and the enhancement of environmental protection consciousness, new energy vehicles as a kind of clean, low-carbon traffic tool gradually attracts attention.Charging pile as the infrastructure of new energy vehicles, its market size and demand are also growing.

[0003] The charging system equipped with liquid cooling technology has stronger module and charging gun cooling effect, improves the equipment energy conversion efficiency, and the greater charging power is improved, and the noise value generated during its operation is lower than that of traditional air-cooled equipment, greatly reduces noise pollution, and can adapt to more use environment, but because liquid cooling technology needs to be equipped with liquid cooling system in the equipment, and the coolant needs to be replaced regularly, the manufacturing cost and maintenance cost of liquid cooling charging pile are quite high, resulting in that the split type liquid cooling charging pile occupies a small amount in the whole charging pile market at present.

[0004] The traditional charging system equipped with liquid cooling technology, the main cabinet (loading liquid cooling charging module) and the liquid cooling system of the charging pile (loading liquid cooling charging gun) are independent systems, when one terminal starts charging, the liquid cooling circulation system of the charging pile and the liquid cooling circulation system of the main cabinet need to be started at the same time to ensure that the charging pile of the terminal and the module of the main cabinet are fully cooled, if the charging power is small at this time, it will cause larger excess loss, so that the charging profit is low. Two kinds of liquid cooling circulation systems are independently set, which occupies a considerable space of the main cabinet and the charging pile, which limits the power upper limit of the charging system by space. UTILITARIAN CONTENT

[0005] The technical problem to be solved by the utility model is to provide an improved liquid cooling charging system.

[0006] The technical scheme adopted by the utility model to solve its technical problem is: a liquid cooling charging system is constructed, which comprises:

[0007] Liquid cooling circulation system;

[0008] At least one group of charging components, each group of charging components comprises a main cabinet and at least two charging piles connected with the main cabinet;The main cabinet has a liquid cooling charging module, and the charging pile has a liquid cooling charging gun;

[0009] At least one set of heat exchange systems, each set of the heat exchange systems comprising a first heat exchange device and at least two second heat exchange devices; the first heat exchange device is arranged corresponding to the main cabinet and connected with the liquid cooling circulation system, for heat exchange between the first liquid medium output by the liquid cooling circulation system and the second liquid medium output by the liquid cooling charging module to take away the heat of the second liquid medium; the second heat exchange device is arranged corresponding to the charging pile and connected with the liquid cooling circulation system, for heat exchange between the first liquid medium output by the liquid cooling circulation system and the third liquid medium output by the liquid cooling charging gun to take away the heat of the third liquid medium.

[0010] In some embodiments, the liquid cooling circulation system comprises a circulating pump, a heat dissipation system, an outlet pipe and an inlet pipe; the outlet pipe and the inlet pipe are connected with the circulating pump, and the circulating pump is connected with the heat dissipation system;

[0011] The outlet pipe and the inlet pipe are connected with each first heat exchange device; in the first heat exchange device, the flow direction of the first liquid medium is opposite to the flow direction of the second liquid medium;

[0012] The outlet pipe and the inlet pipe are connected with each second heat exchange device; in the second heat exchange device, the flow direction of the first liquid medium is opposite to the flow direction of the third liquid medium.

[0013] In some embodiments, the first heat exchange device comprises a first water tank;

[0014] The first water tank has a first liquid inlet and a first liquid outlet; the first liquid inlet is communicated with the outlet pipe; and the first liquid outlet is communicated with the inlet pipe.

[0015] In some embodiments, a first flow control valve is arranged between the outlet pipe and the first liquid inlet;

[0016] And / or, a first stop valve is arranged between the first liquid outlet and the inlet pipe.

[0017] In some embodiments, the first heat exchange device further comprises a first heat exchange pipe arranged in the first water tank; the first heat exchange pipe comprises a first output port and a first input port;

[0018] The main cabinet further comprises a first output pipeline and a first input pipeline; the first output pipeline and the first input pipeline are connected with the liquid cooling charging module;

[0019] The first output pipeline is connected with the first input port, and the first input pipeline is connected with the first output port.

[0020] In some embodiments, the second heat exchange device comprises a second water tank.

[0021] The second water tank has a second liquid inlet and a second liquid outlet; the second liquid inlet is in communication with the liquid outlet pipe; the second liquid outlet is in communication with the liquid inlet pipe.

[0022] In some embodiments, a second flow control valve is arranged between the liquid outlet pipe and the second liquid inlet.

[0023] And / or, a second stop valve is arranged between the liquid inlet pipe and the second liquid outlet.

[0024] In some embodiments, the second heat exchange device further comprises a second heat exchange pipe arranged in the second water tank; the second heat exchange pipe comprises a second output port and a second input port.

[0025] The charging pile comprises a second output pipe and a second input pipe; the second output pipe and the second input pipe are connected with the liquid-cooled charging gun.

[0026] The second output pipe is connected with the second input port; the second input pipe is connected with the second output port.

[0027] In some embodiments, a first fluid pipe and a second fluid pipe are arranged between the heat dissipation system and the circulating pump.

[0028] The heat dissipation system comprises a liquid inlet end and a liquid outlet end.

[0029] The circulating pump comprises a first interface and a second interface; the first fluid pipe is connected with the liquid inlet end and the first interface; the second fluid pipe is connected with the liquid outlet end and the second interface.

[0030] In some embodiments, a first control valve is arranged on the first fluid pipe.

[0031] And / or, a second control valve is arranged on the second fluid pipe.

[0032] The liquid cooling charging system has the beneficial effects that: the liquid cooling charging system is connected with the first heat exchange device connected with the main cabinet and the second heat exchange device connected with the charging pile, that is, the main cabinet and the at least two charging piles can share one liquid cooling circulation system, and then the first liquid medium output by the liquid cooling circulation system and the second liquid medium output by the first heat exchange device of the liquid cooling charging module in the main cabinet can be exchanged, and the first liquid cooling medium output by the liquid cooling circulation system and the third liquid medium output by the second heat exchange device of the liquid cooling charging gun can be exchanged, so that the liquid cooling charging module in the main cabinet and the liquid cooling charging gun in the charging pile can be cooled, and the liquid cooling circulation system does not need to be installed in each main cabinet and charging pile, the space utilization rate of the main cabinet and the charging pile is improved, the miniaturization design of the main cabinet and the charging pile is facilitated, and the charging power demand of the charging system can be met. BRIEF DESCRIPTION OF DRAWINGS

[0033] The utility model will be further described below combining with the drawings and examples, and the drawings are as follows:

[0034] Figure 1 It is the structure schematic diagram of liquid cooling charging system in some examples of the utility model;

[0035] Figure 2 It is Figure 1 The main cabinet structure schematic diagram of liquid cooling charging system shown in the figure;

[0036] Figure 3 It is Figure 1 The charging pile structure schematic diagram of liquid cooling charging system shown in the figure;

[0037] Figure 4 It is Figure 1 The start flow chart of liquid cooling charging system shown in the figure. DETAILED DESCRIPTION

[0038] In order to have more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described in detail by comparing the drawings. In the following description, it should be understood that the orientation or position relation indicated by "upper", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, and is constructed and operated in a particular orientation, and is only for the convenience of describing the technical scheme, and is not indicative of the device or element must have a particular orientation, so it should not be understood as the limitation of the utility model.

[0039] It should be noted that, unless otherwise explicitly specified and limited, the terms such as "mounting", "connection", "linking", "setting" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements or interaction relationship between two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or one or more intermediate elements can exist. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features.

[0040] In the following description, specific details are set forth in order to provide a thorough understanding of the embodiments of the present application, but the skilled in the art should understand that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed description of well-known systems, devices, circuits and methods is omitted so as not to obscure the description of the present application with unnecessary details.

[0041] Figure 1 Some preferred embodiments of the liquid cooling charging system of the present application are shown, which can be used for charging new energy vehicles, and has the advantages of low manufacturing cost and high charging power.

[0042] As shown in Figure 1 In some embodiments, the liquid cooling charging system includes a liquid cooling circulation system 10, a charging assembly 20 and a heat exchange system 30. The liquid cooling circulation system 10 can be used to supply the first liquid medium to the heat exchange system 30, and can recover the first liquid medium after heat exchange of the heat exchange system 30. The charging assembly 20 can be connected with the new energy vehicle, and is used to supply power to the new energy vehicle. The heat exchange system 30 can be used to exchange heat between the first liquid medium output by the liquid cooling circulation system and the second liquid medium and the third liquid medium output by the charging assembly 20.

[0043] The liquid cooling circulation system 10 can be installed in a machine room, of course, it can be understood that in other embodiments, the liquid cooling circulation system 10 can not be limited to be installed in the machine room, and can also be arranged at the place where the charging assembly 20 is installed. In some embodiments, the liquid cooling circulation system 10 can be used to supply the first liquid medium and can recover the first liquid medium after heat exchange.

[0044] In some embodiments, the liquid cooling circulation system 10 can include a circulation pump 11, a heat dissipation system 12, an outflow pipe 17 and an inflow pipe 18. The circulation pump 11 can be used to provide power for the first liquid medium in the outflow pipe 17 and the inflow pipe 18 to flow. In some embodiments, the circulation pump 11 can be a booster pump with self-suction function, and the power thereof is configured according to the number of the charging assemblies 20 actually used. The heat dissipation system 12 is connected with the circulation pump 11, and is used to exchange heat for the first liquid medium pumped by the circulation pump 11 to form low-temperature first liquid medium and output by the circulation pump 11. In some embodiments, the heat dissipation system 12 can include a heat exchanger. In some embodiments, the outflow pipe 17 and the inflow pipe 18 are both connected with the circulation pump 11, the outflow pipe 17 can be used to output the low-temperature first liquid medium after heat exchange by the heat dissipation system 12, and the inflow pipe 18 can be used to input high-temperature first liquid medium to the heat dissipation system 12.

[0045] In some embodiments, the circulation pump 11 can include multiple interfaces, specifically, the circulation pump 11 can include a first interface, a second interface, a third interface and a fourth interface. The first interface can be connected with the inflow end of the heat dissipation system 12, and the second interface can be connected with the outflow end of the heat dissipation system 12. The third interface can be connected with the outflow pipe 17, and the fourth interface can be connected with the inflow pipe 18.

[0046] In some embodiments, the heat dissipation system 12 has an inflow end and an outflow end, and a first fluid pipe 13 and a second fluid pipe 14 are arranged between the heat dissipation system 12 and the circulation pump 11. The first fluid pipe 13 can be connected with the first interface and the inflow end of the heat dissipation system 12, and the high-temperature first liquid medium pumped by the circulation pump 11 into the inflow pipe 18 can enter the heat dissipation system 12 in sequence through the first interface, the first fluid pipe 13 and the inflow end. The second fluid pipe 14 can be connected with the second interface and the outflow end of the heat dissipation system 12, and the low-temperature first liquid medium after heat exchange by the heat dissipation system 12 can enter the circulation pump 11 in sequence from the outflow end, the second fluid pipe 14 and the second interface, and be pumped out to the outflow pipe 17 through the third interface of the circulation pump 11.

[0047] In some embodiments, a first control valve 15 can be arranged on the first fluid pipe 13, and the first control valve 15 can be an electromagnetic valve. When the first control valve 15 is opened, the first liquid medium pumped by the circulation pump 11 into the inflow pipe 18 can be transported to the heat dissipation system 12 through the first fluid pipe 13.

[0048] In some embodiments, a second control valve 16 can be arranged on the second fluid pipe 14, and the second control valve 16 can be an electromagnetic valve. When the second control valve 16 is opened, the first liquid medium in the second fluid pipe 14 can be pumped into the outflow pipe 17 by the circulation pump 11.

[0049] In some embodiments, the liquid outlet pipe 17 can be pulled out from the machine room to the site where the charging assembly 20 is installed. The liquid outlet pipe 17 can include a first main pipe 171 and at least two first branch pipes 172. The first main pipe 171 can be connected to the circulating pump 11, specifically, one end of the first main pipe 171 can be connected to the third interface, and the other end can be connected to the heat exchange system 30 connected to one of the charging piles 22 or one of the heat exchange systems 30 connected to one of the main cabinets 21 in the charging assembly 20. The first branch pipe 172 can be connected to the heat exchange system 30 of the corresponding charging pile 22 or the corresponding main cabinet 21. Each first branch pipe 172 can be arranged one-to-one with one charging pile 22 or one main cabinet 21. The number of first branch pipes 172 can be configured according to the number of specific charging piles 22 and main cabinets 21.

[0050] In some embodiments, the liquid inlet pipe 18 can be pulled out from the machine room to the site where the charging assembly 20 is installed. The liquid inlet pipe 18 can include a second main pipe 181 and at least two second branch pipes 182. The second main pipe 181 can be connected to the circulating pump 11, specifically, the second main pipe 181 can be connected to the fourth interface, and the other end can be connected to the heat exchange system 30 connected to one of the charging piles 22 or one of the heat exchange systems 30 connected to one of the main cabinets 21 in the charging assembly 20. Each second branch pipe 182 can be connected to the heat exchange system 30 of the corresponding charging pile 22 or the corresponding main cabinet 21. Each second branch pipe 182 can be arranged one-to-one with one charging pile 22 or one main cabinet 21. The number of second branch pipes 182 can be configured according to the number of specific charging piles 22 and main cabinets 21.

[0051] In some embodiments, the charging assembly 20 can be multiple groups, that is, one site (parking lot) can be provided with multiple charging assemblies 20. Of course, in other embodiments, the charging assembly 20 can also be one group. The multiple charging assemblies 20 can share one liquid cooling circulating system 10, thereby reducing manufacturing costs and improving charging power.

[0052] In some embodiments, each charging assembly 20 can include one main cabinet 21 and at least two charging piles 22. The main cabinet 21 can be connected to the charging piles 22 and can function to control the charging piles 22. The charging piles 22 can be two or more. Each charging pile 22 can be connected to the main cabinet 21. In some embodiments, the main cabinet 21 has a liquid-cooled charging module, which generally needs to exchange heat with the second liquid medium to achieve heat dissipation. The charging pile 22 has a liquid-cooled charging gun, which generally needs to exchange heat with the third liquid medium to achieve heat dissipation.

[0053] It should be noted that the first liquid medium, the second liquid medium and the third liquid medium can be selected from the same liquid medium. In some embodiments, the first liquid medium, the second liquid medium and the third liquid medium can be water or a conventional cooling liquid. Of course, in some embodiments, the first liquid medium, the second liquid medium and the third liquid medium can be selected from different liquid media.

[0054] As shown in Figure 1 and Figure 2 In some embodiments, the main cabinet 21 can include a first input pipe 212 and a first output pipe 211. The first input pipe 212 and the first output pipe 211 can be connected with the liquid-cooled charging module. The first input pipe 212 can output the second liquid medium after heat exchange with the liquid-cooled charging module to the heat exchange system 30. The first output pipe 211 can input the second liquid medium after heat exchange with the heat exchange system 30 to the liquid-cooled charging module.

[0055] As shown in Figure 1 and Figure 3 In some embodiments, the charging pile 22 can include a second output pipe 221 and a second input pipe 222. The second output pipe 221 and the second input pipe 222 can be connected with the liquid-cooled charging gun. The second output pipe 221 can output the third liquid medium after heat exchange with the liquid-cooled charging gun to the heat exchange system 30. The second input pipe 222 can be used to input the third liquid medium after heat exchange with the heat exchange system 30 to the liquid-cooled charging gun.

[0056] As shown in Figures 1 to 3 In some embodiments, the heat exchange system 30 can be multiple groups, which can be arranged one-to-one with the charging assembly 20. That is, the heat exchange system 30 can be two groups or more than two groups. In other embodiments, the heat exchange system 30 can also be one group, and the multiple groups of charging assemblies 20 can share one heat exchange system 30.

[0057] In some embodiments, each group of heat exchange systems 30 can include a first heat exchange device 31 and at least two second heat exchange devices 32. There can be one first heat exchange device 31, each first heat exchange device 31 can be arranged corresponding to a main cabinet 21 and connected with the liquid cooling circulation system 20, for exchanging heat between the first liquid medium output by the liquid cooling circulation system 20 and the second liquid medium output by the liquid cooling charging module, taking away the heat of the second liquid medium, and inputting the first liquid medium after heat exchange to the liquid cooling circulation system 20. Each second heat exchange device 32 can be arranged corresponding to a charging pile 22 and connected with the liquid cooling circulation system 20, for exchanging heat between the first liquid medium output by the liquid cooling circulation system 20 and the third liquid medium output by the liquid cooling charging gun, taking away the heat of the third liquid medium. In some embodiments, the temperature of the first liquid medium can be lower than the temperature of the second liquid medium and the third liquid medium before heat exchange. After heat exchange, the temperature of the first liquid medium can be higher than the temperature of the second liquid medium and the third liquid medium.

[0058] In some embodiments, each first heat exchange device 31 can be connected with the liquid outlet pipe 17 and the liquid inlet pipe 18. Specifically, the first heat exchange device 31 can include a first water tank 311 and a first heat exchange pipe 312. The first water tank 311 can be used for injecting the first liquid medium. The first heat exchange pipe 312 can be arranged in the first water tank 311.

[0059] In some embodiments, the first water tank 311 has a first liquid inlet 3111 and a first liquid outlet 3112, the first liquid inlet 3111 can be in communication with the liquid outlet pipe 17. The first liquid outlet 3112 is in communication with the liquid inlet pipe 18. The first liquid inlet 3111 and the first liquid outlet 3112 can be arranged on two opposite sides of the first water tank 311. The first liquid medium of the liquid outlet pipe 17 can enter the first water tank 311 through the first liquid inlet 3111 and be output to the liquid inlet pipe 18 from the first liquid outlet 3112.

[0060] In some embodiments, the first heat exchange pipe 312 has a first output port 3122 and a first input port 3121, the first input port 3121 can be located on the same side as the first liquid outlet 3112, and connected with the first output pipe 211; the first output port 3122 can be located on the same side as the first liquid inlet 3111, and connected with the first input pipe 212, so that in the first heat exchange device 31, the flow direction of the first liquid medium is opposite to the flow direction of the second liquid medium, thereby achieving better cooling effect.

[0061] In some embodiments, each second heat exchange device 32 can be connected with the liquid outlet pipe 17 and the liquid inlet pipe 18. Specifically, the second heat exchange device 32 can include a second water tank 321 and a second heat exchange pipe 322. The second water tank 321 can be used to inject the first liquid medium. The second heat exchange pipe 322 can be arranged in the second water tank 321 and can be used to inject the third liquid medium to exchange heat with the first liquid medium.

[0062] In some embodiments, the second water tank 321 has a second liquid inlet 3211 and a second liquid outlet 3212. The second liquid inlet 3211 can be in communication with the liquid outlet pipe 17. The second liquid outlet 3212 is in communication with the liquid inlet pipe 18. The second liquid inlet 3211 and the second liquid outlet 3212 can be arranged on two opposite sides of the second water tank 321. The first liquid medium in the liquid outlet pipe 17 can enter the second water tank 321 through the second liquid inlet 3211 and be output from the second liquid outlet 3212 to the liquid inlet pipe 18.

[0063] In some embodiments, the second heat exchange pipe 322 has a second output port 3222 and a second input port 3221. The second input port 3221 can be located on the same side as the second liquid outlet 3212 and is connected with the second input pipe 222. The second output port 3222 can be located on the same side as the second liquid inlet 3211 and is connected with the second output pipe 221, so that the flow direction of the first liquid medium in the second heat exchange device 32 is opposite to the flow direction of the third liquid medium, thereby achieving a better cooling effect.

[0064] In some embodiments, a first flow control valve 40 can be arranged between the liquid outlet pipe 17 and the first liquid inlet 3111. The first flow control valve 40 can be an electric ball valve. The electric ball valve controls the flow of the first water tank 311 to indirectly control the cooling effect of the first water tank 311.

[0065] In some embodiments, a first stop valve 50 can be arranged between the first liquid outlet 3112 and the liquid inlet pipe 18. The first stop valve 50 can prevent the first liquid medium on the liquid outlet side of the first water tank 311 from flowing backward.

[0066] In some embodiments, a second flow control valve 60 can be arranged between the liquid outlet pipe 17 and the second liquid inlet 3211. The second flow control valve 60 can be an electric ball valve. The electric ball valve controls the flow of the second water tank 321 to indirectly control the cooling effect of the second water tank 321.

[0067] In some embodiments, a second stop valve 70 can be arranged between the second liquid outlet 3212 and the liquid inlet pipe 18. The second stop valve 70 can prevent the first liquid medium on the liquid outlet side of the second water tank 321 from flowing backward.

[0068] In some embodiments, the first fluid pipeline 13, the second fluid pipeline 14, the liquid outlet pipe 17 and the liquid inlet pipe 18 can be wrapped with a heat preservation material, which can be heat preservation cotton. The first heat exchange pipe 312 and the second heat exchange pipe 322 can be made of a material with good heat conduction, which can be aluminum, aluminum alloy or the like.

[0069] The working principle of the liquid cooling charging system is that the circulating pump 11 of the liquid cooling circulating system 10 in the machine room provides power, the first liquid medium in the liquid inlet pipe 18 is cooled by the heat dissipation system 12 in the machine room, and then is re-delivered to the liquid outlet pipe 17 by the circulating pump 11, and is re-cooled by the heat dissipation system 12 in the machine room after heat exchange with the first heat exchange device 31 connected with each main cabinet 21 and the second heat exchange device 32 connected with the corresponding charging pile 22 (terminal), thereby forming an effective refrigeration cycle. Whenever a group of charging piles 22 starts charging, the main cabinet 21 and the corresponding charging pile 22 (terminal) control the corresponding electric ball valve to open, the main cabinet 21 controls the flow size of the electric ball valve according to the number of modules started, and the charging pile 22 (terminal) controls the flow size of the electric ball valve according to the actual charging power of the new energy vehicle.

[0070] As shown in Figure 4 When the user charges at the charging pile 22 (terminal), the main cabinet 21 and the internal controller of the charging pile 22 receive a signal to control the electric ball valve to open according to the power of the charging demand. After the electromagnetic valve of the corresponding pipeline of the refrigeration machine room and the valves at three places are opened, it is ensured that the entire cooling circuit is connected. The machine room opens the circulating pump 11. After the circulating pump 11 is successfully started, the circulating water pump inside the corresponding main cabinet 21 and charging pile 22 (terminal) is further opened. After it is ensured that all the water pumps are successfully started, the entire cooling cycle is opened, and the charging can be started. After completion, the charging is ended.

[0071] It can be understood that the above embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, the above technical features can be freely combined without departing from the concept of the present application, and some deformations and improvements can be made, which belong to the protection scope of the present application. Therefore, any equivalent transformation and modification within the scope of the claims of the present application should belong to the scope of the claims of the present application.

Claims

1. A liquid-cooled charging system, characterized by, The application relates to a liquid-cooled charging system. The liquid-cooled charging system comprises a liquid-cooled circulating system (10), at least one set of charging components (20), at least one set of heat exchange systems (30), and a liquid-cooled charging module. The liquid-cooled circulating system (10) comprises a circulating pump (11), a heat dissipation system (12), a liquid outlet pipe (17), and a liquid inlet pipe (18). The liquid outlet pipe (17) and the liquid inlet pipe (18) are connected with the circulating pump (11), and the circulating pump (11) is connected with the heat dissipation system (12).

2. The liquid-cooled charging system of claim 1, wherein, The liquid outlet pipe (17) and the liquid inlet pipe (18) are connected with each first heat exchange device (31). In the first heat exchange device (31), the flow direction of the first liquid medium is opposite to that of the second liquid medium. The liquid outlet pipe (17) and the liquid inlet pipe (18) are connected with each second heat exchange device (32).

3. The liquid-cooled charging system of claim 2, wherein, In the second heat exchange device (32), the flow direction of the first liquid medium is opposite to that of the third liquid medium. The first heat exchange device (31) comprises a first water tank (311).

4. The liquid-cooled charging system of claim 3, wherein, The first water tank (311) is provided with a first liquid inlet (3111) and a first liquid outlet (3112). The first liquid inlet (3111) is communicated with the liquid outlet pipe (17), and the first liquid outlet (3112) is communicated with the liquid inlet pipe (18).

5. The liquid-cooled charging system of claim 3, wherein, A first flow control valve (40) is arranged between the liquid outlet pipe (17) and the first liquid inlet (3111). A first stop valve (50) is arranged between the first liquid outlet (3112) and the liquid inlet pipe (18). The first heat exchange device (31) further comprises a first heat exchange pipe (312) arranged in the first water tank (311). The first heat exchange pipe (312) comprises a first output port (3122) and a first input port (3121). The main cabinet (21) further comprises a first output pipeline (211) and a first input pipeline (212); the first output pipeline (211) and the first input pipeline (212) are connected with the liquid-cooled charging module; The first output pipeline (211) is connected with the first input port (3121), and the first input pipeline (212) is connected with the first output port (3122).

6. The liquid-cooled charging system of claim 2, wherein, The second heat exchange device (32) comprises a second water tank (321); The second water tank (321) has a second liquid inlet (3211) and a second liquid outlet (3212); the second liquid inlet (3211) is communicated with the liquid outlet pipe (17); and the second liquid outlet (3212) is communicated with the liquid inlet pipe (18).

7. The liquid-cooled charging system of claim 6, wherein, A second flow control valve (60) is arranged between the liquid outlet pipe (17) and the second liquid inlet (3211); And / or, a second stop valve (70) is arranged between the liquid inlet pipe (18) and the second liquid outlet (3212).

8. The liquid-cooled charging system of claim 6, wherein, The second heat exchange device (32) further comprises a second heat exchange pipe (322) arranged in the second water tank (321); the second heat exchange pipe (322) comprises a second output port (3222) and a second input port (3221); The charging pile (22) comprises a second output pipeline (221) and a second input pipeline (222); the second output pipeline (221) and the second input pipeline (222) are connected with the liquid-cooled charging gun; The second output pipeline (221) is connected with the second input port (3221), and the second input pipeline (222) is connected with the second output port (3222).

9. The liquid-cooled charging system of claim 2, wherein, A first fluid pipeline (13) and a second fluid pipeline (14) are arranged between the heat dissipation system (12) and the circulating pump (11); The heat dissipation system (12) comprises a liquid inlet end and a liquid outlet end; The circulating pump (11) comprises a first interface and a second interface; the first fluid pipeline (13) is connected with the liquid inlet end and the first interface; and the second fluid pipeline (14) is connected with the liquid outlet end and the second interface.

10. The liquid-cooled charging system of claim 9, wherein, A first control valve (15) is arranged on the first fluid pipeline (13); And / or, a second control valve (16) is arranged on the second fluid pipeline (14).

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