Liquid cooling box, liquid cooling module and liquid cooling system

Abstract

The utility model relates to the technical field of liquid cooling, and particularly discloses a liquid cooling box, a liquid cooling module and a liquid cooling system. The liquid cooling module comprises a shell and a liquid pump. A first cavity and a second cavity are formed in the shell, the first cavity is provided with a module inlet and a first cavity outlet, the second cavity is provided with a second cavity inlet and a second cavity outlet, and the second cavity outlet is used for being connected with an inlet of a device of the liquid cooling system; an inlet of the liquid pump is formed in an outlet of the first cavity, an outlet of the liquid pump communicates with an inlet of the second cavity, and the position of the module inlet is higher than that of the outlet of the first cavity. According to the liquid cooling box, the liquid cooling module and the liquid cooling system provided by the utility model, the liquid pump and the devices are integrated through the shell, and the liquid pump and corresponding pipe fittings do not need to be mounted during field assembly, so that the assembly process is simplified. Bubbles in the first cavity can be discharged through the module inlet and cannot enter the liquid pump through the first cavity outlet, and therefore the situation that the bubbles enter the liquid pump to damage the liquid pump or stop the liquid pump is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid cooling technical field more specifically, relate to a kind of liquid cooling tank, liquid cooling module and liquid cooling system. BACKGROUND

[0002] With the in-depth development of energy storage industry, air conditioning temperature control is applied more and more widely. For example, water-cooled unit, the unit includes liquid pump and other devices, liquid pump provides power for the liquid circulation of water-cooled unit, and the devices are usually connected by steel pipe, rubber hose, plastic pipe and other devices through clamp, throat clamp and other ways.

[0003] In the process of implementing the present application, the inventors have found that the prior art at least has the following problems:

[0004] When connecting the liquid pump to the cavity, the liquid is easy to form many small bubbles in the cavity, and the bubbles can damage the liquid pump or make the liquid pump stop directly, so the liquid cooling system is difficult to realize integrated design due to the adverse effects of bubbles on the liquid pump. UTILITY MODEL CONTENTS

[0005] Therefore, the purpose of the utility model is to provide a liquid cooling tank, liquid cooling module and liquid cooling system, which can effectively solve the problem of difficulty in realizing integration of the liquid cooling system due to the adverse effects of bubbles on the liquid pump.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A liquid cooling module, comprising:

[0008] A housing, a first cavity and a second cavity are formed in the housing, the first cavity is provided with a module inlet and a first cavity outlet, the second cavity is provided with a second cavity inlet and a second cavity outlet, and the second cavity outlet is used to connect with the inlet of the device of the liquid cooling system;

[0009] A liquid pump, the inlet of the liquid pump is arranged at the first cavity outlet, the outlet of the liquid pump is communicated with the second cavity inlet, and the position of the module inlet is higher than that of the first cavity outlet.

[0010] Optionally, in the above liquid cooling module, a communication channel is arranged in the housing, one end of the communication channel is communicated with the first cavity, and the other end is communicated with the second cavity inlet, and the outlet of the liquid pump is arranged at the end of the communication channel communicated with the first cavity.

[0011] Optionally, in the above liquid cooling module, the position of the end of the communication channel communicated with the first cavity is higher than that of the first cavity outlet.

[0012] Optionally, in the liquid cooling module, the shell comprises a main shell and a cover plate, the main shell is provided with a first groove and a second groove, the cover plate is sealingly connected with the main shell and surrounds the first groove to form the first cavity and surrounds the second groove to form the second cavity.

[0013] Optionally, in the liquid cooling module, the module inlet is arranged at the highest position of the first cavity.

[0014] Optionally, in the liquid cooling module, the first cavity and the second cavity are distributed along the length direction of the shell, and the first cavity is arranged below the second cavity.

[0015] Optionally, in the liquid cooling module, the second cavity outlet comprises at least one of a second cavity first outlet, a second cavity second outlet and a second cavity third outlet, wherein the second cavity first outlet is used for being connected with the inlet of the heater, the second cavity second outlet is used for being connected with the inlet of the first heat exchanger, and the second cavity third outlet is used for being connected with a valve, and the valve is used for being connected with the inlet of the second heat exchanger to adjust the on-off between the second cavity third outlet and the second heat exchanger.

[0016] Optionally, in the liquid cooling module, the shell is further provided with a third cavity, the third cavity is provided with a third cavity first inlet, a third cavity second inlet, a third cavity third inlet and a module outlet; and the liquid cooling module further comprises:

[0017] a heater, the inlet of the heater is arranged at the second cavity first outlet, and the outlet of the heater is arranged at the third cavity first inlet;

[0018] a first heat exchanger, the inlet of the first heat exchanger is arranged at the second cavity second outlet, and the outlet of the first heat exchanger is arranged at the third cavity second inlet;

[0019] a valve arranged at the second cavity third outlet, and the third cavity third inlet is used for being connected with the outlet of the second heat exchanger.

[0020] The liquid cooling module comprises a shell and a liquid pump.

[0021] The utility model discloses still provide a kind of liquid cooling box, including shell, first cavity and second cavity are formed in shell, first cavity is equipped with module import and first cavity export, second cavity is equipped with second cavity import and second cavity export;First cavity export is used to connect with the import of liquid pump, second cavity import is used to communicate with the export of liquid pump, and second cavity export is used to connect with the import of the device of liquid cooling system;The position of module import is higher than the position of first cavity export.

[0022] The utility model discloses a liquid cooling module and liquid cooling box, first cavity and second cavity are equipped in shell, first cavity is used to liquid pump liquid, second cavity is used to export cooling liquid to corresponding device through second cavity export. The position of module import is set to be higher than the position of first cavity export, even if bubble appears in first cavity, bubble floats in liquid naturally, will be discharged through module import, and will not enter liquid pump through first cavity export, to avoid that bubble enters liquid pump and causes damage to liquid pump or makes liquid pump stop, meet integrated demand. The liquid cooling module and liquid cooling box are integrated by shell and set up liquid pump and device, do not need to install liquid pump and corresponding pipe fittings when liquid cooling system field assembly, reduce the quantity of device of field assembly, simplify assembly technology. Reduce system cooling liquid leakage point, reduce device maintenance difficulty, reduce overall space occupation.

[0023] In order to achieve the above object, the utility model provides a kind of liquid cooling system, the liquid cooling system includes above-mentioned any liquid cooling module or liquid cooling phase. Since the liquid cooling module or liquid cooling phase has the above technical effect, the liquid cooling system with the liquid cooling module or liquid cooling phase should also have the corresponding technical effect. DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0025] Fig. 1 It is the front view schematic view of the liquid cooling module of one specific embodiment of the utility model;

[0026] Fig. 2 It is the rear view schematic view of liquid cooling module;

[0027] Fig. 3 It is the internal structure schematic view of liquid cooling module.

[0028] Reference signs:

[0029] 1-shell;2-liquid pump;3-heater;4-first heat exchanger;5-valve

[0030] 11 - first cavity; 12 - second cavity; 13 - communication channel; 14 - cover plate; 15 - main housing; 16 - third cavity;

[0031] 111 - module inlet; 112 - first cavity outlet; 121 - second cavity inlet; 122 - second cavity outlet; 122a - first second cavity outlet; 122b - second second cavity outlet; 122c - third second cavity outlet;

[0032] 161 - first third cavity inlet; 162 - second third cavity inlet; 163 - third third cavity inlet; 164 - module outlet. DETAILED DESCRIPTION

[0033] The utility model discloses an embodiment of a liquid cooling tank, a liquid cooling module and a liquid cooling system, and the air bubbles remaining in the cavity are discharged in time, and the service life of the liquid pump is prolonged.

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] The liquid cooling module provided by the application is suitable for a liquid cooling system. The liquid cooling module connects other devices together by setting an integrated box. Multiple cavities that are in communication with each other are arranged in the interior of the box to form a channel for liquid circulation. Each device can be directly connected to a corresponding position of the box through a joint. The devices in the application include but are not limited to an expansion tank, a sensor, a heater, a heat exchanger (such as a plate heat exchanger), a valve, etc. For example, a liquid cooling system includes a first heat exchanger, a compressor, a condenser, a liquid pump, a valve, a second heat exchanger (such as a dry cooler), and a heater. The liquid pump drives the liquid to circulate between the first heat exchanger and a load. The second heat exchanger is connected in parallel with the first heat exchanger through the valve. The liquid pump can also be used to drive the liquid to circulate between the second heat exchanger and the load. The first heat exchanger is used to realize heat exchange between the liquid from the load and the liquid at the end of the condenser. The heater is connected in series or parallel with the first heat exchanger to heat the liquid flowing therethrough. Specifically, the high-temperature liquid heated by the heater can be used to heat the load end, that is, the heater is used to realize heating of the liquid cooling system. When the liquid cooling system is used to cool the load end, the heating of the liquid by the heater can be combined with the cooling of the liquid by the first heat exchanger and / or the second heat exchanger to accurately control the temperature of the liquid sent to the load end. It should be noted that the liquid in the system can be pure water or can be added with a refrigerant. The liquid cooling module provided by the application can integrate the pipeline and the devices of the liquid cooling system at least including the liquid pump.

[0036] In some embodiments, referring to Figs. 1-3The liquid cooling module provided by the utility model includes a shell 1 and a liquid pump 2. Wherein, the shell 1 is formed with a first cavity 11 and a second cavity 12, and the shape of the first cavity 11 and the second cavity 12 can be set according to the requirement, which is not limited to the regular shape such as circle and polygon. Exemplarily, the cross section of the first cavity 11 is circular, and the center of the circle is provided with a first cavity outlet 112 to be connected with the inlet of the liquid pump 2. The cross section of the second cavity 12 is polygonal. The first cavity 11 is provided with a module inlet 111 and the first cavity outlet 112, the module inlet 111 is used to be connected with the load, the inlet of the liquid pump 2 is arranged at the first cavity outlet 112, and the inlet of the liquid pump 2 is connected with the first cavity outlet 112 through a joint exemplarily. The second cavity 12 is provided with a second cavity inlet 121 and a second cavity outlet 122, the outlet of the liquid pump 2 is communicated with the second cavity inlet 121, and the outlet of the liquid pump 2 is connected with the second cavity inlet 121 through a joint exemplarily. The second cavity outlet 122 is used to be connected with the inlet of the device of the liquid cooling system, and the device includes but is not limited to the first heat exchanger 4, the heater 3 and the valve 5. The liquid pump 2 pumps the liquid in the first cavity 11 to the second cavity 12, and enters the corresponding device through the second cavity 12. That is, the first cavity 11 is the liquid pump inlet cavity, and the second cavity 12 is the device liquid inlet cavity. It can be understood that the second cavity 12 can be used to integrate at least one device, that is, the second cavity 12 is provided with at least one second cavity outlet 122, and when the second cavity 12 integrates multiple devices, the second cavity 12 is correspondingly provided with multiple second cavity outlets 122. The position of the module inlet 111 is higher than the position of the first cavity outlet 112. It can be understood that the position height defined herein means that the position of the module inlet 111 is higher than the position of the first cavity outlet 112 in the normal use state of the liquid cooling module, so that the bubbles in the first cavity 11 can be discharged from the first cavity 11 through the first cavity outlet 112.

[0037] The liquid cooling module provided by this invention has a first cavity 11 and a second cavity 12 inside the housing 1. The first cavity 11 is used for liquid inlet of the liquid pump 2, and the second cavity 12 is used for outputting coolant to the corresponding device through the second cavity outlet 122. By setting the position of the module inlet 111 higher than the position of the first cavity outlet 112, even if air bubbles appear in the first cavity 11, the air bubbles will naturally float to the surface in the liquid and be discharged through the module inlet 111, instead of entering the liquid pump 2 through the first cavity outlet 112. This avoids damage to the liquid pump 2 or causing it to stop, thus meeting the integration requirements. This liquid cooling module and liquid cooling box integrate the liquid pump 2 and the device through the housing 1. During on-site assembly of the liquid cooling system, there is no need to install the liquid pump 2 and corresponding pipes, reducing the number of on-site assembly components and simplifying the assembly process. It reduces the number of system coolant leakage points, lowers the difficulty of device maintenance, and reduces the overall space occupation. In addition, the liquid pump 2 has relatively large flow resistance when connected by pipelines. In this application, by setting a first cavity 11 before the inlet of the liquid pump 2, the flow resistance is significantly reduced compared to the pipeline, thereby solving the problem of high flow resistance of the liquid pump 2 in the prior art.

[0038] In some embodiments, the housing 1 is provided with a connecting channel 13, one end of which is connected to the first cavity 11, and the other end is connected to the inlet of the second cavity. The outlet of the liquid pump 2 is located at the end of the connecting channel 13 connected to the first cavity 11. In this embodiment, the first cavity 11 and the second cavity 12 are connected through the connecting channel 13, thus allowing for a more flexible layout of the first cavity 11 and the second cavity 12. The outlet of the liquid pump 2 is located at the end of the connecting channel 13 connected to the first cavity 11, meaning that in this embodiment, the outlet of the liquid pump 2 is connected to the inlet 112 of the second cavity via the connecting channel 13. Furthermore, while satisfying the layout requirements, the volume of the first cavity 11 can be reduced, thereby minimizing the generation of gas within the first cavity 11. The specific orientation of the connecting channel 13, i.e., its extension direction, can be set as needed and is not specifically limited here.

[0039] In some embodiments, the end of the connecting channel 13 that connects to the first cavity 11 is positioned higher than the outlet 112 of the first cavity. As configured above, gas from the outlet of the liquid pump 2 can enter the connecting channel 13. For example, the connecting channel 13 extends upwards from the end connected to the first cavity 11 to the end connected to the inlet 121 of the second cavity. When the pump stops, on the one hand, the gas in the first cavity 11 can be discharged upwards through the module inlet 111; on the other hand, the gas from the outlet of the liquid pump 2 can also be discharged upwards through the connecting channel 13 to the device, further ensuring that the gas does not affect the normal operation of the liquid pump when it restarts.

[0040] In some embodiments, the first cavity outlet 112 and the second cavity outlet 122 are arranged at different sides of the shell 1, and the corresponding liquid pump 2 and the device can be arranged at different sides of the shell 1 respectively, so as to fully utilize the space and reduce the space occupation of the whole liquid cooling module.

[0041] In some embodiments, the shell 1 comprises a main shell 15 and a cover plate 14, the main shell 15 is provided with a first recess and a second recess, and the cover plate 14 is sealingly connected with the main shell 15 and surrounds the first recess to form the first cavity 11 and surrounds the second recess to form the second cavity 12. The shell 1 adopts the design of the split main shell 15 and the cover plate 14, which is convenient for molding. The shapes of the first recess and the second recess on the main shell 15 are not limited to regular shapes and can be set according to needs. The cover plate 14 is sealingly connected with the main shell 15, so as to close the first recess and the second recess and form the first cavity 11 and the second cavity 12. The communication passage 13 is formed in the main shell 15. In other embodiments, the shell 1 can also adopt an integrated molding structure, such as injection molding.

[0042] In some embodiments, the module inlet 111 is arranged at the highest position of the first cavity 11. When the system is filled with liquid, the liquid enters the first cavity 11 from the module inlet 111, and if bubbles are generated, the bubbles float upwards and are discharged through the module inlet 111. Arranging the module inlet 111 at the highest position of the first cavity 11 avoids the bubbles missing the module inlet 111 during the floating process and being unable to be discharged, further ensuring the effective exhaust of the first cavity 11 and the normal operation of the liquid pump 2.

[0043] In some embodiments, the first cavity 11 and the second cavity 12 are distributed along the length direction of the shell 1, and the first cavity 11 is arranged below the second cavity 12. As arranged above, the space is fully utilized, and the bubbles in the first cavity 11 are easily discharged. In use, the length direction of the liquid cooling module can be installed along the vertical direction.

[0044] In some embodiments, the second cavity outlet 122 comprises at least one of a second cavity first outlet 122a, a second cavity second outlet 122b and a second cavity third outlet 122c, wherein the second cavity first outlet 122a is configured to be connected to the inlet of the heater 3, the second cavity second outlet 122b is configured to be connected to the inlet of the first heat exchanger 4, and the second cavity third outlet 122c is configured to be connected to the valve 5 which is configured to be connected to the inlet of the second heat exchanger to regulate the on-off of the second cavity outlet 122 and the second heat exchanger. The liquid in the second cavity 12 can enter the heater 3 through the second cavity first outlet 122a, or enter the first heat exchanger 4 through the second cavity second outlet 122b, or enter the second heat exchanger through the second cavity third outlet 122c controlled by the valve 5. It can be understood that a control valve can be arranged at the inlet of the first heat exchanger 4 or the inlet of the heater 3 to control the on-off of the corresponding flow path.

[0045] In one way, the second cavity 12 is provided with three second cavity outlets 122, i.e., the second cavity first outlet 122a, the second cavity second outlet 122b and the second cavity third outlet 122c. That is, the second cavity 12 realizes the integration of three flow paths. In another way, the second cavity 12 is provided with two second cavity outlets 122, i.e., the second cavity first outlet 122a and the second cavity second outlet 122b, the second cavity first outlet 122a and the second cavity third outlet 122c, or the second cavity second outlet 122b and the second cavity third outlet 122c. That is, the second cavity 12 realizes the integration of two flow paths. In another way, the second cavity 12 is provided with only one second cavity outlet 122, i.e., the second cavity first outlet 122a, the second cavity second outlet 122b or the second cavity third outlet 122c.

[0046] In some embodiments, the liquid cooling module further comprises at least one of the heater 3, the first heat exchanger 4 and the valve 5, wherein the heater 3 is arranged at the second cavity first outlet 122a, the first heat exchanger 4 is arranged at the second cavity second outlet 122b, and the valve 5 is arranged at the second cavity third outlet 122c. In this way, the degree of integration of the liquid cooling module is higher, and the on-site assembly steps are further reduced.

[0047] In some embodiments, the shell 1 is further provided with a third cavity 16, the third cavity 16 is provided with a third cavity first inlet 161, a third cavity second inlet 162, a third cavity third inlet 163 and a module outlet 164, the module outlet 164 is used for connecting with a load; the liquid cooling module further comprises a heater 3, a first heat exchanger 4 and a valve 5. Wherein, the inlet of the heater 3 is arranged at the second cavity first outlet 122a, and the outlet of the heater 3 is arranged at the third cavity first inlet 161; the inlet of the first heat exchanger 4 is arranged at the second cavity second outlet 122b, and the outlet of the first heat exchanger 4 is arranged at the third cavity second inlet 162; the valve 5 is arranged at the second cavity third outlet 122c, the third cavity third inlet 163 is used for connecting with the outlet of the second heat exchanger, and the valve 5 is used for connecting with the inlet of the second heat exchanger, so as to adjust the on-off between the second cavity third outlet 163 and the second heat exchanger. The third cavity 16 is a system liquid outlet cavity, the liquid flowing through the heater 3, the first heat exchanger 4 or the second heat exchanger first enters the third cavity 16, and then flows out from the module outlet 164 of the third cavity 16 to enter the load. By arranging the third cavity 16, the degree of integration of the liquid cooling module is higher, and the connection pipeline is further reduced, and the on-site assembly operation is simplified.

[0048] The utility model further provides a kind of liquid cooling box, including shell 1, first cavity 11 and second cavity 12 are formed in shell 1, first cavity 11 is provided with module inlet 111 and first cavity outlet 112, and second cavity 12 is provided with second cavity inlet 121 and second cavity outlet 122;First cavity outlet 112 is used for connecting with the inlet of liquid pump 2, and second cavity inlet 121 is used for being communicated with the outlet of liquid pump 2, and second cavity outlet 122 is used for being connected with the inlet of the device of liquid cooling system;The position of module inlet 111 is higher than the position of first cavity outlet 112.The liquid cooling box in the embodiment is different from the above-mentioned liquid cooling module, and the device such as liquid pump 2 is not integrated, and corresponding device can be connected in shell 1 when liquid cooling system is assembled on site as required, so that corresponding specification device can be selected for assembly according to the needs on site, and use is more flexible.The specific corresponding setting of first cavity 11 and second cavity 12 can refer to the related description in the above-mentioned each liquid cooling module embodiment, which is not specifically limited here.

[0049] The liquid cooling module and the liquid cooling box are integratedly arranged by the shell 1, and the liquid pump 2 and the device do not need to be installed again during on-site assembly, the number of devices for on-site assembly is reduced, and the assembly process is simplified. The leakage points of the system cooling liquid are reduced, the difficulty of device maintenance is reduced, and the overall space occupation is reduced. In addition, when the liquid pump 2 is connected through a pipeline, the flow resistance is large. In the application, the first cavity 11 is arranged in front of the inlet of the liquid pump 2, and the flow resistance is significantly reduced compared with the pipeline, thereby solving the problem of large flow resistance of the liquid pump 2 in the prior art.

[0050] Based on the liquid cooling module or the liquid cooling phase provided in the above-mentioned embodiments, the utility model further provides a kind of liquid cooling system, and the liquid cooling system includes any kind of liquid cooling module or liquid cooling phase in the above-mentioned embodiments. Since the liquid cooling system uses the liquid cooling module or the liquid cooling phase in the above-mentioned embodiments, the beneficial effects of the liquid cooling system please refer to the above-mentioned embodiments.

[0051] Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other.

[0052] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A liquid cooling module, characterized in that, include: The housing (1) has a first cavity (11) and a second cavity (12) formed inside it. The first cavity (11) is provided with a module inlet (111) and a first cavity outlet (112). The second cavity (12) is provided with a second cavity inlet (121) and a second cavity outlet (122). The second cavity outlet (122) is used to connect to the inlet of the device of the liquid cooling system. The liquid pump (2) has its inlet located at the outlet (112) of the first cavity and its outlet connected to the inlet (121) of the second cavity. The position of the module inlet (111) is higher than the position of the outlet (112) of the first cavity.

2. The liquid cooling module according to claim 1, characterized in that, The housing (1) is provided with a connecting channel (13), one end of which is connected to the first cavity (11) and the other end is connected to the inlet (121) of the second cavity. The outlet of the liquid pump (2) is located at the end of the connecting channel (13) that is connected to the first cavity (11).

3. The liquid cooling module according to claim 2, characterized in that, The position of the end of the connecting channel (13) that connects to the first cavity (11) is higher than the position of the outlet (112) of the first cavity.

4. The liquid cooling module according to claim 1, characterized in that, The housing (1) includes a main housing (15) and a cover plate (14). The main housing (15) is provided with a first groove and a second groove. The cover plate (14) is sealed to the main housing (15) and forms a first cavity (11) with the first groove and a second cavity (12) with the second groove.

5. The liquid cooling module according to claim 1, characterized in that, The module inlet (111) is located at the highest point of the first cavity (11).

6. The liquid cooling module according to claim 1, characterized in that, The first cavity (11) and the second cavity (12) are distributed along the length of the shell (1), and the first cavity (11) is located below the second cavity (12).

7. The liquid cooling module according to any one of claims 1-6, characterized in that, The second cavity outlet (122) includes at least one of the second cavity first outlet (122a), the second cavity second outlet (122b), and the second cavity third outlet (122c), wherein the second cavity first outlet (122a) is used to connect to the inlet of the heater (3), the second cavity second outlet (122b) is used to connect to the inlet of the first heat exchanger (4), and the second cavity third outlet (122c) is used to connect to the valve (5), the valve (5) is used to connect to the inlet of the second heat exchanger to regulate the on / off state between the second cavity third outlet (122c) and the second heat exchanger.

8. The liquid cooling module according to claim 7, characterized in that, The housing (1) is further provided with a third cavity (16), the third cavity (16) being provided with a third cavity first inlet (161), a third cavity second inlet (162), a third cavity third inlet (163) and a module outlet (164); the liquid cooling module further includes: Heater (3), the inlet of the heater (3) is located at the first outlet (122a) of the second cavity, and the outlet of the heater (3) is located at the first inlet (161) of the third cavity. The first heat exchanger (4) has its inlet located at the second outlet (122b) of the second cavity and its outlet located at the second inlet (162) of the third cavity. A valve (5) is provided at the third outlet (122c) of the second cavity, and the third inlet (163) of the third cavity is used to connect to the outlet of the second heat exchanger.

9. A liquid cooling box, characterized in that, Includes a housing (1), in which a first cavity (11) and a second cavity (12) are formed. The first cavity (11) is provided with a module inlet (111) and a first cavity outlet (112), and the second cavity (12) is provided with a second cavity inlet (121) and a second cavity outlet (122). The first cavity outlet (112) is used to connect to the inlet of the liquid pump (2), the second cavity inlet (121) is used to communicate with the outlet of the liquid pump (2), and the second cavity outlet (122) is used to connect to the inlet of the device of the liquid cooling system; The position of the module inlet (111) is higher than the position of the first cavity outlet (112).

10. A liquid cooling system, characterized in that, Includes the liquid cooling module as described in any one of claims 1-8 or the liquid cooling box as described in claim 9.

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