Liquid cooling device

Abstract

The present invention relates to the technical field of liquid cooling of electronic equipment, and discloses a liquid cooling device, which includes a box body, at least two cover plates and at least one condenser; the box body has at least two independent compartments, and the compartments have a liquid receiving area for receiving coolant; each of the cover plates is connected to the box body, and corresponds to each of the compartments one by one, and is used to cover the hatch of the compartment, and the cover plates and the bulkheads inside the compartments are jointly formed to form a steam receiving area for receiving steam, and the steam receiving area is connected to the liquid receiving area; the condenser is connected to the box body, and is used to condense the steam in the steam receiving area, so that the steam in the steam receiving area can re-form coolant and flow back into the liquid receiving area. The present application mainly solves the technical problem that the existing liquid cooling module has a lot of coolant leakage during maintenance.

Description

Technical Field

[0001] The invention relates to the technical field of liquid cooling of electronic equipment, and in particular to a liquid cooling device. Background Art

[0002] With the development of 5G communication technology and the continuous evolution of IT / switch equipment performance and business capabilities, the power consumption of single chips (such as CPU or switch chips) is increasing. At present, the power consumption of switch chips is 500W+ and the CPU power consumption is 300W+, which has basically reached the limit of general air cooling technology. It is estimated that the power consumption of the next generation switch chip will be around 900W and the CPU power consumption will be around 500W. To solve the heat dissipation of this high-power chip, stronger liquid cooling technology is needed to replace air cooling technology.

[0003] In addition, data centers face the dual pressures of heat dissipation and energy conservation. At present, the PUE (power usage efficiency, which refers to the ratio of all energy consumed by the data center to the energy consumed by the IT load. The closer the value is to 1, the higher the degree of greenness of a data center) of traditional air-cooled data centers is above 1.8. When building a new generation of data centers, national and regional regulations require that the PUE of newly built data centers must be controlled below 1.3; liquid cooling can reduce the PUE value to below 1.2. Therefore, from the perspective of data center heat dissipation and energy conservation, liquid cooling technology is an inevitable choice.

[0004] In the current liquid cooling solutions for IT / communication equipment and data centers, cold plate liquid cooling and immersion liquid cooling are two trends in the development of liquid cooling technology. The current liquid cooling technology has the following problems:

[0005] All IT equipment (servers and switches) are installed in a box. During maintenance, the entire cover on the top of the box needs to be opened. At this time, the saturated steam inside the box will leak to the outside. Especially when the cover is opened for maintenance, the coolant still leaks in phase change, and the liquid leakage even exceeds 50%. Secondly, most of the existing covers are made of stainless steel and plexiglass. The weight of the cover is very large, which brings great inconvenience to the operation and maintenance personnel when the cover needs to be opened and closed during the operation and maintenance of IT equipment. In addition, the existing cover area is large. During the installation and operation and maintenance process, the operator may not install the cover properly, resulting in the problem that the entire box is not sealed well. After a long time, there will be a hidden danger of large-scale coolant leakage. Summary of the invention

[0006] The object of the present invention is to provide a liquid cooling device, which mainly solves the technical problem that the existing liquid cooling module has a lot of cooling liquid leakage during maintenance.

[0007] To achieve this object, the present invention adopts the following technical solutions:

[0008] A liquid cooling device, comprising:

[0009] A box body having at least two open compartments, each compartment having a liquid receiving area for receiving a coolant;

[0010] At least two cover plates, each of which is connected to the box body and corresponds to each of the compartments one by one and is used to cover the hatch of the compartment, the cover plates and the bulkheads inside the compartments are jointly formed to form a steam receiving area for receiving steam, and the steam receiving area is connected to the liquid receiving area;

[0011] The condenser is connected to the box body and is used to condense the steam in the steam receiving area so that the steam in the steam receiving area can be reformed into cooling liquid and flow back into the liquid receiving area.

[0012] In one of the embodiments, a steam connecting pipe is connected to the box body, a steam channel is provided in the steam connecting pipe, and the steam channel is connected to the steam containing areas in the plurality of compartments.

[0013] In one of the embodiments, a first valve is connected to the compartment. The first valve is disposed between the steam passage and the steam containing area and is used to separate or connect the steam passage and the steam containing area in the compartment.

[0014] In one of the embodiments, a liquid connecting tube is connected to the box body, and a liquid channel is provided in the liquid connecting tube, and the liquid channel is connected to the liquid containing areas in the plurality of compartments.

[0015] In one embodiment, a second valve is connected to the compartment, and the second valve is arranged between the liquid channel and the liquid receiving area, and has a first working state of isolating the liquid channel and the liquid receiving area in the compartment and a second working state of connecting the liquid channel and the liquid receiving area in the compartment.

[0016] In one embodiment, the liquid cooling device also includes a linkage mechanism connected to the second valve, and when the cover plate is opened relative to the compartment, the linkage mechanism is used to put the second valve in the first working state; when the cover plate covers the compartment, the cover plate is used to put the second valve in the second working state.

[0017] In one embodiment, the linkage mechanism includes an elastic member, which is connected to the compartment and the second valve. When the cover is opened relative to the compartment, the second valve moves to a preset position under the elastic force of the elastic member and is in the first working state; when the cover covers the compartment, the second valve abuts against the inner wall of the cover under the elastic force of the elastic member and is in the second working state.

[0018] In one embodiment, the condenser is arranged outside the box, and the liquid cooling device further comprises a steam pipe and a liquid inlet pipe; the steam pipe, the condenser and the liquid inlet pipe are connected in sequence;

[0019] The steam pipe and the liquid inlet pipe are both connected to the box body and arranged outside the box body, the internal pipeline of the steam pipe is connected to the steam receiving area, and the internal pipeline of the liquid inlet pipe is connected to the liquid receiving area;

[0020] The condenser is used to convert the steam in the steam pipe into condensate, and the liquid inlet pipe is used to transport the condensate in the condenser to the liquid receiving area.

[0021] In one embodiment, the condenser is disposed in the steam receiving area of ​​the plurality of compartments, and the condenser has a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet both pass through the interior of the compartment to the outside;

[0022] The liquid cooling device further comprises a liquid inlet pipe and a liquid outlet pipe arranged outside the box body, the liquid inlet pipe is connected to the liquid inlet of each condenser, and the liquid outlet pipe is connected to the liquid outlet of each condenser.

[0023] In one of the embodiments, a liquid flow channel is provided in the liquid receiving area, so that the cooling liquid in the liquid receiving area can flow along the liquid flow channel to a preset position.

[0024] Compared with the prior art, the liquid cooling device provided by the present invention has at least the following beneficial effects:

[0025] Before working, the cover can be opened first, and then the coolant and the heating module (such as CPU or switch chip) can be placed in each compartment respectively. At this time, the coolant in the liquid receiving area of ​​each compartment will contact the heating module, thereby cooling the heating module, and finally the cover is closed; during working, when the coolant reaches a certain temperature, the coolant will be heated and evaporated into steam, and the steam will enter the steam receiving area, and the condenser will condense the steam back into condensate, and the re-formed condensate will flow back into the liquid receiving area, thereby realizing the function of continuously cooling the heating module. When maintaining or replacing the heating module in a compartment, the operator can open the cover corresponding to the compartment, and then take out the heating module to be maintained or replaced. At this time, the remaining covers cover the hatches of the remaining compartments without opening. Therefore, the structural design of the compartment can greatly reduce the leakage of the coolant. Moreover, the individual cover is small in size and light in weight, so that it is easier for the user to ensure the sealing of the hatch of the compartment covered by the cover when re-closing the cover, which has the advantage of being easy for the operator to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0027] Figure 1 It is a structural schematic diagram of a heating module in the prior art;

[0028] Figure 2 A schematic diagram of the structure of the liquid cooling device provided in Example 1 of the present application when the cover is opened;

[0029] Figure 3 for Figure 2 Sectional view at AA in the middle;

[0030] Figure 4 for Figure 2 The structure diagram of the liquid cooling device shown is after the cover is closed;

[0031] Figure 5 for Figure 3 The schematic diagram of the structure shown is after the cover is opened;

[0032] Figure 6 A schematic diagram of the structure of the liquid cooling device provided in the second embodiment of the present application when the cover is opened;

[0033] Figure 7 for Figure 6 Sectional view at AA in the middle;

[0034] Figure 8 for Figure 6 The structure diagram of the liquid cooling device shown is after the cover is closed.

[0035] Among them, the reference numerals in the figure are:

[0036] 1. Box body; 11. Compartment; 111. Liquid receiving area; 112. Liquid flow channel; 113. Steam receiving area; 114. First outlet; 115. Second outlet; 12. Steam connecting pipe; 121. Steam channel; 13. Liquid connecting pipe; 131. Liquid channel; 14. First valve; 15. Second valve; 16. Linkage mechanism; 161. Elastic member;

[0037] 2. Cover plate; 3. Condenser; 31. Liquid inlet; 32. Liquid outlet; 4. Steam pipe; 5. Liquid inlet pipe; 6. Pressure relief valve; 7. Liquid inlet pipe; 8. Liquid outlet pipe;

[0038] 9. Heating module; 91. Frame; 92. Motherboard; 93. Power supply; 94. Hard disk; 95. CPU; 96. Memory; 97. Data card; 98. Handle; 99. Power cord; 100. Data cable;

[0039] 10. Heat exchanger. DETAILED DESCRIPTION

[0040] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0041] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0042] It should be understood that the orientations or positional relationships indicated by terms such as "upper", "lower", "top", "bottom", "inside", and "outside" are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present application and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0044] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0045] See also Figure 1 , Figure 1 The figure shows the structure of the heating module 9. The heating module 9 includes a frame 91, a mainboard 92 fixed on the frame 91, and a power supply 93, a hard disk 94, a CPU 95, a memory 96 and a data card 97 which are sequentially integrated on the mainboard 92. The heating module 9 also includes a handle 98 fixed on the frame 91. By providing the handle 98, it is convenient for the user to take out the entire heating module 9. Figure 3 The heating module 9 also includes a power line 99 and a data line 100 electrically connected to the mainboard 92. When the heating module 9 is in operation, it will emit more heat, especially the CPU 95. The following two embodiments are used to describe the liquid cooling of the heating module 9 in detail.

[0046] Embodiment 1

[0047] Please also read Figures 2 to 4 This embodiment provides a liquid cooling device, which includes a box body 1, multiple cover plates 2, a condenser 3, a steam pipe 4 and a liquid inlet pipe 5.

[0048] Please also read Figure 2 and Figure 3The box body 1 has a plurality of independent compartments 11, and the shape of the compartments 11 is larger than the heating module 9, so that the heating module 9 can be placed in the compartments 11. The compartment 11 has a liquid receiving area 111 inside. When in use, the operator needs to inject coolant into the liquid receiving area 111 so that the temperature of the heating module 9 can be reduced after contacting with the coolant. In addition, a liquid flow channel 112 is provided in the liquid receiving area 111 of each compartment 11, so that the coolant in the liquid receiving area 111 can flow to a preset position (such as the bottom of the heating module 9) along the liquid flow channel 112. In addition, each compartment 11 is provided with a first outlet 114 and a second outlet 115, and the power line 99 on the heating module 9 passes out from the first outlet 114, and the data line 100 on the heating module 9 passes out from the second outlet 115. Of course, the first outlet 114 and the second outlet 115 need to be sealed to prevent the steam inside the compartment 11 from escaping to the external environment, thereby preventing the loss of coolant.

[0049] Please also read Figure 2 and Figure 4 The cover plate 2 is connected to the box body 1 and corresponds to the compartments 11 one by one. The cover plate 2 is used to cover the hatch of the corresponding compartment 11. When the cover plate 2 covers the compartment 11, the cover plate 2 seals the hatch of the compartment 11 and forms a steam receiving area 113 together with the bulkhead inside the compartment 11. The steam receiving area 113 is connected to the liquid receiving area 111, that is, the coolant in the liquid receiving area 111 can enter the steam receiving area 113 after being heated and evaporated. In addition, please refer to Figure 2 and Figure 5 In this embodiment, the cover plate 2 is hinged to the box body 1.

[0050] Please also read Figure 3 and Figure 4 The condenser 3 is arranged outside the housing 1, one end of the steam pipe 4 is connected to the input port of the condenser 3, the other end of the steam pipe 4 is connected to the housing 1, and the pipeline inside the steam pipe 4 is connected to the steam receiving area 113 of each compartment 11, so that the steam in the steam receiving area 113 of each compartment 11 can enter the condenser 3 along the steam pipe 4. One end of the liquid inlet pipe 5 is connected to the output port of the condenser 3, the other end of the liquid inlet pipe 5 is connected to the housing 1, and the pipeline inside the liquid inlet pipe 5 is connected to the liquid receiving area 111 of each compartment 11. Specifically, the condenser 3 is a prior art, and the condenser 3 can condense the steam to form a coolant, and the re-formed coolant can flow back to the liquid receiving area 111 of each compartment 11 along the liquid inlet pipe 5.

[0051] Please also read Figure 2 and Figure 3A steam connecting pipe 12 is fixed in the box body 1. The steam connecting pipe 12 has a steam channel 121. The steam connecting pipe 12 passes through all the compartments 11, and the steam channel 121 is connected to the steam receiving area 113 of all the compartments 11, so that all the steam in the box body 1 can be evenly distributed in the steam receiving area 113 of each compartment 11, that is, the gas pressure of the steam receiving area 113 in all the compartments 11 can be balanced, avoiding the problem of the steam receiving area 113 in a single compartment 11 being prone to explosion due to excessive gas pressure. In addition, the pipeline inside the above-mentioned steam pipe 4 is directly connected to the steam channel 121, that is, the steam in the steam receiving area 113 of each compartment 11 can first enter the steam channel 121, and then flow along the steam pipe 4 to the external condenser 3. In another embodiment, the steam connecting pipe 12 can also be fixed outside the box body 1.

[0052] See also Figure 3 The liquid cooling device of this embodiment also includes at least one pressure relief valve 6, which is installed on the bulkhead of the compartment 11 or on the cover plate 2. By setting the pressure relief valve 6, excess steam inside the box 1 can be discharged to the outside to avoid excessive air pressure inside the box 1.

[0053] Please also read Figure 2 and Figure 3 A liquid connecting pipe 13 is also fixed in the housing 1. The liquid connecting pipe 13 has a liquid channel 131. The liquid connecting pipe 13 also passes through all the compartments 11, and the liquid channel 131 is connected to the liquid receiving areas 111 of all the compartments 11, so that the coolant in all the compartments 11 can be at the same liquid level, avoiding the phenomenon that the coolant in a certain compartment 11 cannot cool down the corresponding heating module 9 due to insufficient liquid volume. In addition, the pipeline inside the above-mentioned liquid inlet pipe 5 is directly connected to the liquid channel 131, that is, the coolant inside the liquid inlet pipe 5 first flows into the liquid channel 131, and then dispersedly flows to the liquid receiving areas 111 of each compartment 11 in the liquid channel 131. In another embodiment, the liquid connecting pipe 13 can also be fixed outside the housing 1.

[0054] See also Figure 3 A first valve 14 is connected to the compartment 11, and the first valve 14 is arranged between the steam channel 121 and the steam receiving area 113. The first valve 14 can isolate the steam channel 121 and the steam receiving area 113, that is, when the first valve 14 is closed, the steam channel 121 and the steam receiving area 113 are not connected to each other, and the steam in the steam receiving area 113 cannot flow into the steam channel 121; when the first valve 14 is opened, the steam channel 121 and the steam receiving area 113 are connected to each other, and the steam in the steam receiving area 113 can flow into the steam channel 121.

[0055] See also Figure 3 The compartment 11 is also connected with a second valve 15, which is arranged between the liquid channel 131 and the liquid receiving area 111. The second valve 15 can separate the liquid channel 131 and the liquid receiving area 111, that is, when the second valve 15 is closed, the liquid channel 131 and the liquid receiving area 111 are not connected to each other, and the coolant in the liquid channel 131 cannot flow into the liquid receiving area 111; when the second valve 15 is opened, the liquid channel 131 and the liquid receiving area 111 are connected to each other, and the coolant in the liquid channel 131 can flow into the liquid receiving area 111. For the convenience of explanation below, the closed state of the second valve 15 is defined as the first working state of the second valve 15, and the open state of the second valve 15 is defined as the second working state of the second valve 15.

[0056] Please also read Figure 3 and Figure 5 Preferably, the liquid cooling device of the present application further includes a linkage mechanism 16 connected to the second valve 15. When the cover plate 2 is opened relative to the compartment 11, the linkage mechanism 16 can automatically drive the second valve 15 to be in the first working state (i.e., in the closed state). When the cover plate 2 covers the hatch of the compartment 11, the cover plate 2 can drive the second valve 15 to be in the second working state (i.e., in the open state). Specifically, the linkage mechanism 16 includes an elastic member 161, which is preferably a spring. The elastic member 161 connects the compartment 11 and the second valve 15. When the cover plate 2 is gradually opened relative to the compartment 11, the elastic member 161 can drive the second valve 15 to gradually rise, and finally make the second valve 15 in the first working state (i.e., in the closed state). At this time, the second valve 15 blocks the hole on the liquid flow channel 112, so that the coolant in the liquid channel 131 cannot flow into the liquid receiving area 111 along the liquid flow channel 112. When the cover plate 2 gradually covers the hatch of the compartment 11, the inner wall of the cover plate 2 drives the second valve 15 to gradually descend. When the cover plate 2 is closed in place, the second valve 15 is in the second working state (i.e., in the open state). At this time, the second valve 15 rests against the inner wall of the cover plate 2 under the elastic force of the elastic member 161.

[0057] Please also read Figures 2 to 4 The following paragraph is the working principle of the liquid cooling device of this embodiment:

[0058] Before work, the cover 2 can be opened first, and then the coolant and the heating module 9 can be placed in each compartment 11 respectively. At this time, the coolant in the liquid receiving area 111 of each compartment 11 will contact the heating module 9, thereby cooling the heating module 9, and finally the cover 2 can be closed; during work, when the coolant reaches a certain temperature, the coolant will be heated and evaporated into steam, and the steam will be emitted into the steam receiving area 113. Since the first valve 14 is in an open state at this time, the steam inside the steam receiving area 113 of each compartment 11 will first enter the steam channel 121 and then enter the condenser 3 along the steam pipe 4. The condenser 3 will condense the steam back into condensate, and the re-formed condensate will flow back to the liquid channel 131 along the liquid inlet pipe 5. Since the second valve 15 is in an open state at this time, the coolant in the liquid channel 131 will enter the liquid receiving area 111 of each compartment 11, thereby realizing the function of continuously cooling the heating module 9.

[0059] Please also read Figures 2 to 5 When maintaining or replacing a heating module 9 in a compartment 11, the operator can first close the individual heating module 9, and then close the first valve 14, so that the steam inside the compartment 11 will not flow into the steam channel 121, and will not flow into the external condenser 3. After a period of time (for example, 30 seconds), the steam in the compartment 11 will re-form condensate due to the spontaneous temperature drop and flow back into the liquid receiving area 111. Then open the cover plate 2 corresponding to the compartment 11. At this time, there is almost no steam in the compartment 11, and because the first valve 14 is closed, the steam inside the other compartments 11 will not run out, so the coolant inside the box 1 will hardly leak, and at this time, the second valve 15 is automatically switched from the open state to the closed state under the drive of the elastic member 161, that is, at this time, the coolant in the liquid channel 131 will only flow into the other compartments 11, and will not flow into the compartment 11 corresponding to the heating module 9 that needs to be maintained or replaced. At this time, the heating module 9 that needs maintenance or replacement can be taken out from the compartment 11. After the heating module 9 is taken out, since the second valve 15 is in a closed state, the liquid level of the coolant in the remaining compartments 11 will not decrease, ensuring that the remaining heating modules 9 can work normally at a suitable temperature, greatly improving the reliability of heat dissipation of the heating modules 9. In addition, at this time, the remaining cover plates 2 cover the hatches of the remaining compartments 11 without opening them. Therefore, the structural design of the compartment 11 can greatly reduce the leakage of the coolant. Moreover, the single cover plate 2 is smaller in size and lighter in weight, so that the user can more easily ensure the sealing of the hatch of the compartment 11 covered by the cover plate 2 when re-covering the cover plate 2, which has the advantage of being easy for operators to operate.

[0060] Embodiment 2

[0061] Please also read Figures 6 to 8 This embodiment provides a second liquid cooling device. Compared with the first embodiment, the liquid cooling device of this embodiment sets the condenser 3 in the compartment 11, and each compartment 11 is provided with at least one condenser 3. In this embodiment, each compartment 11 is provided with two condensers 3. In addition, this embodiment does not have Figure 4 However, the liquid cooling device of this embodiment further includes a liquid inlet pipe 7 and a liquid outlet pipe 8, and the remaining structures are the same as those in the first embodiment and will not be described again.

[0062] Specifically, the condenser 3 has a liquid inlet 31 and a liquid outlet 32, both of which pass through the inside of the compartment 11 and the outside, and the liquid inlet pipe 7 and the liquid inlet 31 on the condensers 3 in all compartments 11 are connected together, that is, the coolant in the liquid inlet pipe 7 can enter all condensers 3. The liquid outlet pipe 8 and the liquid outlet 32 ​​on the condensers 3 in all compartments 11 are connected together, that is, the liquid in the condensers 3 in all compartments 11 can be discharged outward along the liquid outlet pipe 8. In this embodiment, the liquid discharged from the liquid outlet pipe 8 is cooled by the heat exchanger 10 and then re-enters the liquid inlet pipe 7, so that the condenser 3 has a cooling function. In operation, the steam in the steam receiving area 113 of each compartment 11 can be re-formed into coolant under the condensation of the condenser 3, and the re-formed coolant will flow back to the liquid receiving area 111 of each compartment 11, so as to realize the recycling of the coolant and avoid the leakage of the coolant.

[0063] The above are only preferred embodiments of the present invention, and only specifically describe the technical principles of the present invention. These descriptions are only for explaining the principles of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations here, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, and other specific implementations of the present invention that can be associated with by technicians in this field without creative labor, should be included in the scope of protection of the present invention.

Claims

1. A liquid cooling device, characterized in that: include: The box body has at least two independent compartments, each compartment has a liquid receiving area for receiving a coolant; At least two cover plates, each of which is connected to the box body and corresponds to each of the compartments one by one and is used to cover the hatch of the compartment, the cover plates and the bulkheads inside the compartments are jointly formed to form a steam receiving area for receiving steam, and the steam receiving area is connected to the liquid receiving area; A condenser connected to the box body and used to condense the steam in the steam receiving area so that the steam in the steam receiving area can be reformed into a coolant and flow back into the liquid receiving area; The box body is connected with a liquid connecting pipe, the liquid connecting pipe has a liquid channel, and the liquid channel is connected with the liquid receiving areas in the plurality of compartments; the liquid connecting pipe is used to make the coolant in all the compartments at the same liquid level; The compartment is connected with a second valve, which is disposed between the liquid passage and the liquid receiving area and has a first working state of isolating the liquid passage and the liquid receiving area in the compartment and a second working state of connecting the liquid passage and the liquid receiving area in the compartment; The liquid cooling device further comprises a linkage mechanism connected to the second valve, and when the cover plate is opened relative to the compartment, the linkage mechanism is used to put the second valve in the first working state; when the cover plate covers the hatch of the compartment, the cover plate is used to put the second valve in the second working state; The box body is connected with a steam connecting pipe, the steam connecting pipe has a steam channel, and the steam channel is connected with the steam containing areas in the plurality of compartments; The compartment is connected with a first valve, which is arranged between the steam passage and the steam containing area and is used to separate or connect the steam passage and the steam containing area in the compartment.

2. The liquid cooling device according to claim 1, characterized in that: The linkage mechanism includes an elastic member, which is connected to the compartment and the second valve. When the cover is opened relative to the compartment, the second valve moves to a preset position under the elastic force of the elastic member and is in the first working state; when the cover covers the compartment, the second valve abuts against the inner wall of the cover under the elastic force of the elastic member and is in the second working state.

3. The liquid cooling device according to any one of claims 1 to 2, characterized in that: The condenser is arranged outside the box, and the liquid cooling device further comprises a steam pipe and a liquid inlet pipe; the steam pipe, the condenser and the liquid inlet pipe are connected in sequence; The steam pipe and the liquid inlet pipe are both connected to the box body and arranged outside the box body, the internal pipeline of the steam pipe is connected to the steam receiving area, and the internal pipeline of the liquid inlet pipe is connected to the liquid receiving area; The condenser is used to convert the steam in the steam pipe into condensate, and the liquid inlet pipe is used to transport the condensate in the condenser to the liquid receiving area.

4. The liquid cooling device according to any one of claims 1 to 2, characterized in that: The condenser is arranged in the steam receiving area of ​​the plurality of compartments, and the condenser has a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet both pass through the interior of the compartment to the outside; The liquid cooling device further comprises a liquid inlet pipe and a liquid outlet pipe arranged outside the box body, the liquid inlet pipe is connected to the liquid inlet of each condenser, and the liquid outlet pipe is connected to the liquid outlet of each condenser.

5. The liquid cooling device according to any one of claims 1 to 2, characterized in that: A liquid flow channel is provided in the liquid receiving area, so that the cooling liquid in the liquid receiving area can flow to a preset position along the liquid flow channel.

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