Immersed cooling device

Abstract

The invention discloses an immersed cooling device, and relates to the technical field of battery cooling, a cooling part comprises a cooling box body, a battery module arranged in the cooling box body, a water spraying pipe arranged on the cooling box body, a water discharging pipe arranged on the cooling box body, and a cooling assembly arranged on the cooling box body; the filtering part comprises a filtering net frame arranged on the drainage pipe, a back-flushing assembly arranged on the filtering net frame and a buoyancy assembly arranged on the back-flushing assembly, the liquid channel serves as an auxiliary channel for cooling liquid to enter the cooling box body, and the cooling liquid is sprayed into the cooling box body through a plurality of water spraying nozzles; relatively uniform circulating liquid feeding is realized, the battery can be quickly cooled, and a set distance is reserved between the battery module and the bottom of the cooling box body, so that the contact area between the battery module and the cooling liquid can be increased, full contact between the cooling liquid and the battery module is realized, and the cooling speed of the battery module is further accelerated.

Description

Technical Field

[0001] The present invention relates to the technical field of battery cooling, and in particular to an immersion cooling device. Background Art

[0002] An electric vehicle (EV), such as a battery electric vehicle (BEV), a fuel cell vehicle, or a hybrid vehicle, includes a battery system having one or more battery cells, modules, and / or battery packs. A power control system controls the charging and / or discharging of the battery system during charging, regeneration, and / or driving. During driving, one or more electric motors of the EV receive power from the battery system to provide propulsion for the vehicle and / or return power to the battery system during regeneration and / or charging from a utility.

[0003] If the battery pack is kept in a high temperature state for a long time, the battery life and safety will be greatly threatened.

[0004] Therefore, an immersion cooling system is urgently needed to quickly cool the battery. Summary of the invention

[0005] In view of the above existing / problems, an immersion cooling device is proposed.

[0006] To solve the above technical problems, the present invention provides the following technical solutions: a cooling component, comprising a cooling box, a battery module arranged in the cooling box, a water spray pipe arranged on the cooling box, a drain pipe arranged on the cooling box, and a cooling component arranged on the cooling box; and,

[0007] A filter component, comprising a filter mesh frame arranged on the drain pipe, a recoil assembly arranged on the filter mesh frame, and a buoyancy assembly arranged on the recoil assembly;

[0008] The battery module 102 is at a certain distance from the bottom of the cooling box 101 .

[0009] As a preferred solution of the immersion cooling device described in the present invention, the cooling component includes a first connecting pipe arranged on the drain pipe, a condensation module arranged on the first connecting pipe, and a liquid channel is arranged between the condensation module and the water spray pipe.

[0010] As a preferred solution of the immersion cooling device of the present invention, a water spray rack is provided on the water spray pipe, and a water spray nozzle is provided on the water spray rack.

[0011] As a preferred solution of the immersion cooling device of the present invention, the cooling component further includes a cooling fan, and the cooling fan is located above the cooling box, and the cooling fan is located higher than the water spray pipe.

[0012] As a preferred solution of the immersion cooling device of the present invention, the recoil assembly comprises a drainage groove arranged on the drainage pipe, a recoil box arranged in the drainage groove, and a drawer arranged on the recoil box;

[0013] The recoil box and the drainage trough are connected in a sliding manner.

[0014] As a preferred solution of the immersion cooling device described in the present invention, a sealing plate is arranged at the upper end of the recoil box, the sealing plate is adapted to the drain pipe, and a water outlet plate is arranged on the side of the recoil box, and a plurality of holes are opened on the water outlet plate.

[0015] As a preferred solution of the immersion cooling device of the present invention, the pull-out member comprises a pull-out slide plate provided on the recoil box, a pull-out clamp ring provided on the pull-out slide plate, and a pull-out clamp block provided on the inner wall of the drainage groove;

[0016] The pull-out slide plate is slidably connected to the recoil box, and the pull-out clamp ring is engaged with the pull-out clamp block.

[0017] As a preferred embodiment of the immersion cooling device of the present invention, the buoyancy component includes a first airbag arranged in the drainage trough, a buoyancy float arranged on the first airbag, a power member arranged on the first airbag, and an extrusion member arranged on the power member.

[0018] As a preferred solution of the immersion cooling device of the present invention, the power member includes a through pipe arranged on the first airbag, and a second airbag arranged at the other end of the through pipe.

[0019] As a preferred solution of the immersion cooling device of the present invention, the extrusion member comprises an extrusion slide tube arranged on the inner wall of the cooling box, an extrusion slide rod arranged in the extrusion slide tube, and a buoyancy block arranged at the lower end of the extrusion slide rod;

[0020] The extrusion sliding rod and the extrusion sliding tube are slidably connected, and the second air bag is located on the inner wall of the extrusion sliding tube.

[0021] The beneficial effects of the present invention are as follows: the coolant enters the cooling box through the liquid channel as an auxiliary channel, and is sprayed into the cooling box through a plurality of water spray nozzles, thereby achieving relatively uniform circulation of liquid, and the battery can be cooled quickly, thereby ensuring the safety of the battery, and the battery module is at a set distance from the bottom of the cooling box, which can increase the contact area between the battery module and the coolant, and achieve full contact between the coolant and the battery module, thereby further accelerating the cooling speed of the battery module, and at the same time, when using liquid for cooling circulation to cool down, the recoil component can be used to achieve the backflow of cooling liquid, clean the filter frame, reduce the water level, and restore the normal water flow direction, and so on and so forth to ensure the cleanliness of the filter frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. 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 any creative labor.

[0023] Figure 1 It is a schematic diagram of the overall structure of the immersion cooling device in the present invention.

[0024] Figure 2 It is a top view of the immersion cooling device in the present invention.

[0025] Figure 3 It is a side view of the immersion cooling device in the present invention.

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the filter component in the present invention.

[0027] Figure 5 It is a schematic diagram of the internal structure of the filter component in the present invention.

[0028] Figure 6 For the present invention Figure 5 Enlarged view of part A.

[0029] Figure 7 It is a schematic diagram of the three-dimensional structure of the recoil assembly in the present invention.

[0030] Figure 8 It is a disassembled diagram of the recoil box in the present invention.

[0031] Reference numerals: 100, cooling component; 101, cooling box; 102, battery module; 103, water spray pipe; 104, drain pipe; 105, cooling component; 200, filter component; 201, filter rack; 202, recoil assembly; 203, buoyancy assembly; 105a, first connecting pipe; 105b, condensation module; 105c, liquid channel; 103a, water spray rack; 103b, water spray nozzle; 105d, cooling fan; 202a, drain trough; 202b, Recoil box; 202c, pull-out member; 202b-1, blocking plate; 202b-2, water outlet plate; 202c-1, pull-out slide plate; 202c-2, pull-out clamp ring; 202c-3, pull-out clamp block; 203a, first air bag; 203b, buoyancy floating plate; 203c, power member; 203d, extrusion member; 203c-1, through pipe; 203c-2, second air bag; 203d-1, extrusion slide pipe; 203d-2, extrusion slide rod; 203d-3, buoyancy block. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0034] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0035] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0036] Example 1, reference Figure 1 to Figure 4, which is the first embodiment of the present invention, provides an immersion cooling device, including a cooling component 100, including a cooling box 101, a battery module 102 arranged in the cooling box 101, a water spray pipe 103 arranged on the cooling box 101, a drainage pipe 104 arranged on the cooling box 101, and a cooling component 105 arranged on the cooling box 101; wherein, the battery module 102 is a certain distance from the bottom of the cooling box 101.

[0037] Among them, the battery module 102 includes a plurality of batteries, and each battery is spaced at a fixed distance. A water spray pipe 103 is arranged on one side of the cooling box 101, and a drain pipe 104 is arranged on the other side of the cooling box 101. The drain pipe 104 is used to output the coolant to the outside of the cooling box 101, and the height of the water spray pipe 103 is greater than the height of the drain pipe 104. A water spray rack 103a is arranged on the water spray pipe 103, and a water spray nozzle 103b is arranged on the water spray rack 103a. The coolant enters the liquid channel 105c from the water spray pipe 103, and is sprayed from the water spray nozzle 103b on the water spray rack 103a into the cooling box 101 to cool down the battery module 102.

[0038] Preferably, ball valves are provided on the water spray pipe 103 and the drain pipe 104, and the opening and closing of the water spray pipe 103 and the drain pipe 104 are respectively controlled by the placed ball valves. The water spray nozzles 103b are arranged at intervals on the liquid channel 105c, and the outlet position of the water spray nozzles 103b is set at the gap position between the batteries. It should be noted that the aperture and hole length of the water spray nozzles 103b can be set according to actual needs and are not limited here, and the flow of the coolant can also be set according to user needs.

[0039] Optionally, a first temperature sensor and a second temperature sensor are also installed in the device. The first temperature sensor is used to detect the temperature of the battery module 102 to obtain the real-time temperature of the battery, and the second temperature sensor is used to detect the temperature of the cooling liquid after cooling to obtain the real-time temperature of the cooling liquid.

[0040] The cooling component 105 includes a first connecting pipe 105a arranged on the drain pipe 104, a condensing module 105b arranged on the first connecting pipe 105a, and a liquid channel 105c arranged between the condensing module 105b and the water spray pipe 103; the cooling component 105 also includes a cooling fan 105d. The cooling fan 105d is located above the cooling box 101, and the cooling fan 105d is located higher than the water spray pipe 103.

[0041] Among them, the fan is located on the surface of the cooling box 101, including at least one fan, which is turned on when the real-time temperature of the battery is greater than the set temperature of the battery to blow the hot air inside the cooling box 101 to the outside of the cooling box 101; when the number of fans is multiple fans, each fan has a different position on the surface of the cooling box 101. By controlling the speed of the fan, real-time adjustment and control of the cooling system is achieved to ensure that the battery system operates within a good temperature range.

[0042] Among them, the condensation module 105b is connected to the drain pipe 104 through the first connecting pipe 105a, which is used to cool the coolant output to the outside of the cooling box 101 to obtain the cooled coolant. One end of the liquid channel 105c is connected to the condensation module 105b, and the other end of the liquid channel 105c is connected to the drain pipe 104, and the liquid channel 105c is used to transport the cooled coolant to the inside of the cooling box 101 through the water spray pipe 103.

[0043] Specifically, a delivery pump body is also installed in the device, the inlet of the delivery pump body is interconnected with the liquid channel 105c, and the outlet of the delivery pump body is interconnected with the water spray pipe 103. The delivery pump body is used to transport the cooled coolant to the interior of the cooling box 101 through the water spray pipe 103 when the real-time temperature of the coolant is lower than the set temperature of the coolant.

[0044] Operation process: During the working process, the coolant is transported to the liquid channel 105c through the water spray pipe 103, and then the coolant is sprayed into the cooling box 101 through the water spray nozzle 103b on the liquid channel, thereby cooling the battery module 102. When the real-time temperature of the battery is greater than the set temperature of the battery, the fan is controlled to start, and the air circulation in the cooling box 101 is increased to blow the hot air inside the cooling box 101 to the outside of the cooling box 101. The coolant is output to the outside of the cooling box 101 in the drain pipe 104. The output coolant can be collected, and the temperature of the output coolant is measured by the condensation module 105b to obtain the real-time temperature of the coolant. When the real-time temperature of the coolant is lower than the set temperature of the coolant, the delivery pump body is turned on, and the cooled coolant is transported to the inside of the cooling box 101 through the liquid channel 105c and the water spray pipe 103 through the water spray pipe 103. The cost of using the coolant can be reduced by reusing the coolant.

[0045] Example 2, reference Figure 5 and Figure 6 , which is the second embodiment of the present invention, is based on the previous embodiment, and the difference is that: the filter component 200 includes a filter frame 201 arranged on the drain pipe 104, a recoil assembly 202 arranged on the filter frame 201, and a buoyancy assembly 203 arranged on the recoil assembly 202.

[0046] Among them, the filter frame 201 is located at one end of the drain pipe 104 extending into the cooling box 101, and is used to intercept impurities. The recoil component 202 is located in the drain pipe 104, and is used to clean impurities attached to the filter frame 201. The buoyancy component 203 is located on the recoil component 202, and is used to start the recoil component 202 to realize the normal operation of the filter frame 201.

[0047] The recoil assembly 202 includes a drainage groove 202a disposed on the drainage pipe 104, a recoil box 202b disposed in the drainage groove 202a, and a drawer 202c disposed on the recoil box 202b; the recoil box 202b and the drainage groove 202a are slidably connected.

[0048] Preferably, the drain groove 202a is opened below the drain pipe 104, and the drain groove 202a and the drain pipe 104 are interconnected. The drain groove 202a is used to accommodate and install the recoil box 202b, providing a place to accommodate the recoil box 202b. The recoil box 202b is located in the drain groove 202a, and the recoil box 202b and the drain groove 202a are slidably connected. By sliding the recoil box 202b in the drain groove 202a, the cooling liquid can flow back and the filter frame 201 can be cleaned.

[0049] A blocking plate 202b-1 is provided at the upper end of the recoil box 202b, and the blocking plate 202b-1 is matched with the drain pipe 104. A water outlet plate 202b-2 is provided on the side of the recoil box 202b, and a plurality of holes are opened on the water outlet plate 202b-2.

[0050] Among them, the blocking plate 202b-1 is located above one side of the recoil box 202b, and the blocking plate 202b-1 and the recoil box 202b are fixedly connected. The drain pipe 104 can be blocked by sliding the recoil box 202b up and down, so that the recoil component 202 can clean the filter frame 201.

[0051] The pull-out member 202c includes a pull-out slide 202c-1 arranged on the recoil box 202b, a pull-out clip 202c-2 arranged on the pull-out slide 202c-1, and a pull-out card block 202c-3 arranged on the inner wall of the drainage groove 202a; the pull-out slide 202c-1 and the recoil box 202b are slidably connected, and the pull-out clip 202c-2 and the pull-out card block 202c-3 are engaged with each other.

[0052] Among them, the pull-out slide 202c-1 and the recoil box 202b are slidably connected, and a spring is provided at the connection between the pull-out slide 202c-1 and the recoil box 202b, and the pull-out slide 202c-1 can be reset by the spring. The pull-out clip 202c-2 is located on the side of the pull-out slide 202c-1, and is adapted to the pull-out card block 202c-3. A spring is provided between the pull-out card block 202c-3 and the drainage groove 202a for the extension and retraction of the pull-out card block 202c-3.

[0053] The rest of the structure is the same as that of Example 1.

[0054] Operation process: In the initialization state, the filter rack 201 is in a normal filtering state, the recoil box 202b is located at the lower limit position in the drain groove 202a, and the pull-out clamp spring and the pull-out clamp block 202c-3 are in a separated state. When recoil is required, driven by the buoyancy component 203, the recoil box 202b slides upward along the drain groove 202a, and the pull-out slide plate 202c-1 moves with the pull-out clamp ring 202c-2. At this time, the blocking plate 202b-1 at the upper end of the recoil box 202b seals the drain pipe 104 to prevent water from passing through. When the recoil box 202b rises, it reaches a The backwash box 202b is fixed in position, and the pull-out clamp ring 202c-2 is buckled on the pull-out clamp block 202c-3, which facilitates the coolant in the backwash box 202b to flow out. The cooling liquid flows back due to gravity and passes through the filter frame 201, thereby removing impurities on the filter frame 201. When the backwash box 202b reaches the upper limit position, the filter frame 201 is cleaned, and the impurities no longer block the filter frame 201, causing the water level to drop. At this time, the backwash box 202b is automatically reset, and the sealing plate 202b-1 leaves the drain pipe 104 outlet, restoring the normal water flow direction, and so on and so forth to ensure the cleanliness of the filter frame 201.

[0055] Example 3, reference Figures 1 to 8 , which is the third embodiment of the present invention, which is different from the second embodiment in that: the buoyancy assembly 203 includes a first airbag 203a arranged in the drainage groove 202a, a buoyancy float 203b arranged on the first airbag 203a, and a power member 203c arranged on the first airbag 203a, and an extrusion member 203d arranged on the power member 203c.

[0056] Among them, the first airbag 203a is located at the bottom of the drainage trough 202a, and is used to store gas and generate expansion. A buoyancy float 203b is arranged directly above the first airbag 203a. The first airbag 203a and the buoyancy float 203b are fixedly connected, which is used to balance the upper end of the airbag when the first airbag 203a is expanded to prevent the recoil box 202b from being unevenly stressed. The power piece 203c is located inside the cooling box 101, and is used to drive the first airbag 203a. The recoil box 202b can be lifted up and down by the expansion degree of the first airbag 203a. The extrusion piece 203d is located on the power piece 203c, and is used to provide power to the power piece 203c. The extrusion piece 203d provides power to the power piece 203c, and the power piece 203c can provide power for the lifting of the recoil box 202b.

[0057] The power member 203c includes a through tube 203c-1 disposed on the first airbag 203a, and a second airbag 203c-2 disposed at the other end of the through tube 203c-1.

[0058] Specifically, the through tube 203c-1 is located between the first airbag 203a and the second airbag 203c-2, and the first airbag 203a, the second airbag 203c-2 and the through tube 203c-1 are fixedly connected.

[0059] The extrusion member 203d includes an extrusion slide tube 203d-1 arranged on the inner wall of the cooling box 101, an extrusion slide rod 203d-2 arranged in the extrusion slide tube 203d-1, and a buoyancy block arranged at the lower end of the extrusion slide rod 203d-2; the extrusion slide rod 203d-2 and the extrusion slide tube 203d-1 are slidably connected, and the second air bag 203c-2 is located on the inner wall of the extrusion slide tube 203d-1.

[0060] Among them, the extrusion slide 203d-1 is located on the inner wall of the cooling box 101, and the extrusion slide 203d-1 is fixedly connected to the cooling box 101. The bottom end of the extrusion slide 203d-1 is the highest water level line. The cross-section of the extrusion slide 203d-2 is T-shaped, and the plane of the upper end of the extrusion slide 203d-2 is adapted to the inner wall of the extrusion slide 203d-1. The extrusion slide 203d-2 and the extrusion slide 203d-1 are slidably connected, and the upper end of the extrusion slide 203d-2 and the second air bag 203c-2 are in conflict with each other. The lower end of the extrusion slide 203d-2 is fixedly connected with a buoyancy block, which can push the extrusion slide 203d-2 to slide in the extrusion slide 203d-1 and squeeze the second air bag 203c-2 according to the height of the coolant, so that the first air bag 203a expands, thereby providing power for the recoil box 202b to rise and fall.

[0061] The rest of the structure is the same as that of Example 2.

[0062] Operation process: In the initial state, the buoyancy float 203b is at the lowest position, the second airbag 203c-2 is not squeezed, the first airbag 203a is in a natural state, and the cooling liquid gradually increases to the preset highest water level. The buoyancy block floats up as the height of the cooling liquid increases, driving the squeezing slide bar 203d-2 to move upward. The squeezing slide bar 203d-2 continues to move upward until it contacts and squeezes the second airbag 203c-2. After the second airbag 203c-2 is pressurized, the gas flows to the first airbag 203a through the through pipe 203c-1. After receiving the gas, the first airbag 203a begins to expand, pushing the buoyancy plate to move upward. The buoyancy float 203b drives the recoil box 202b to move upward, realizing the rise of the recoil box 202b, thereby starting the recoil process, the amount of coolant decreases, the buoyancy block drops, and the extrusion slide bar 203d-2 drops accordingly. The extrusion slide bar 203d-2 no longer squeezes the second airbag, and the second airbag is reset. The gas in the first airbag 203a flows back to the second airbag 203c-2, and the first airbag 203a is reset, so that the buoyancy float 203b and the recoil box 202b drop to the initial position under the action of their own weight, completing a recoil cycle. As the amount of coolant changes, the above process can be repeated to ensure the continuous cleaning of the filter rack 201.

[0063] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0064] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0065] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. Immersion cooling device, characterized in that: include, A cooling component (100) comprises a cooling box (101), a battery module (102) arranged in the cooling box (101), a water spray pipe (103) arranged on the cooling box (101), a drainage pipe (104) arranged on the cooling box (101), and a cooling component (105) arranged on the cooling box (101); and, A filter component (200) comprising a filter mesh frame (201) arranged on the drain pipe (104), a recoil assembly (202) arranged on the filter mesh frame (201), and a buoyancy assembly (203) arranged on the recoil assembly (202); The battery module (102) is at a certain distance from the bottom of the cooling box (101).

2. The immersion cooling device according to claim 1, characterized in that: The cooling component (105) comprises a first connecting pipe (105a) arranged on the drain pipe (104), a condensing module (105b) arranged on the first connecting pipe (105a), and a liquid channel (105c) arranged between the condensing module (105b) and the water spray pipe (103).

3. The immersion cooling device according to claim 1, characterized in that: The water spray pipe (103) is provided with a water spray frame (103a), and the water spray frame (103a) is provided with a water spray nozzle (103b).

4. The immersion cooling device according to claim 2, characterized in that: The cooling component (105) further comprises a cooling fan (105d), wherein the cooling fan (105d) is located above the cooling box (101), and the cooling fan (105d) is located higher than the water spray pipe (103).

5. The immersion cooling device according to claim 4, characterized in that: The recoil assembly (202) comprises a drainage groove (202a) arranged on the drainage pipe (104), a recoil box (202b) arranged in the drainage groove (202a), and a drawer (202c) arranged on the recoil box (202b); The recoil box (202b) and the drainage trough (202a) are slidably connected.

6. The immersion cooling device according to claim 5, characterized in that: A blocking plate (202b-1) is arranged at the upper end of the recoil box (202b), and the blocking plate (202b-1) is compatible with the drain pipe (104). A water outlet plate (202b-2) is arranged on the side of the recoil box (202b), and a plurality of holes are opened on the water outlet plate (202b-2).

7. The immersion cooling device according to claim 6, characterized in that: The pull-out member (202c) comprises a pull-out slide plate (202c-1) arranged on the recoil box (202b), a pull-out clamp ring (202c-2) arranged on the pull-out slide plate (202c-1), and a pull-out clamp block (202c-3) arranged on the inner wall of the drainage groove (202a); The pull-out slide plate (202c-1) is slidably connected to the recoil box (202b), and the pull-out clamp ring (202c-2) is clamped to the pull-out clamp block (202c-3).

8. The immersion cooling device according to claim 5, characterized in that: The buoyancy component (203) comprises a first airbag (203a) arranged in the drainage groove (202a), a buoyancy floating plate (203b) arranged on the first airbag (203a), a power member (203c) arranged on the first airbag (203a), and an extrusion member (203d) arranged on the power member (203c).

9. The immersion cooling device according to claim 8, characterized in that: The power component (203c) comprises a through tube (203c-1) arranged on the first air bag (203a), and a second air bag (203c-2) arranged at the other end of the through tube (203c-1).

10. The immersion cooling device according to claim 9, characterized in that: The extrusion member (203d) comprises an extrusion slide tube (203d-1) arranged on the inner wall of the cooling box (101), an extrusion slide rod (203d-2) arranged in the extrusion slide tube (203d-1), and a buoyancy block (203d-3) arranged at the lower end of the extrusion slide rod (203d-2); The extrusion slide rod (203d-2) and the extrusion slide tube (203d-1) are slidably connected, and the second air bag (203c-2) is located on the inner wall of the extrusion slide tube (203d-1).

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