Immersed liquid cooling heat dissipation system

By designing an immersion liquid cooling system, the problems of inconvenience in putting in and taking out the equipment coolant and starting the cycle are solved, and stable placement and temperature control of the equipment are achieved to ensure the normal operation of the system.

CN120640644AInactive Publication Date: 2025-09-12DONGGUAN JINDU HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202511015945.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2025-09-12
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing liquid cooling system is not convenient for putting coolant into or taking out the equipment, and cannot automatically start the coolant circulation when the equipment is put into the coolant, causing the coolant temperature to rise rapidly.

Method used

An immersion liquid cooling system was designed, which includes a heat sink, a vertical plate, a top plate, a support, a supporting mechanism, a circulation mechanism and a trigger mechanism. The device is placed in the coolant through the supporting mechanism and the coolant circulation is automatically started. The locking component and the retractable component are used to ensure the stable placement and removal of the device. The circulation mechanism ensures the constant temperature of the coolant.

Benefits of technology

It enables convenient placement and removal of equipment, automatically starts coolant circulation, avoids rapid increase in coolant temperature, ensures normal operation of the system, and is simple to operate and highly practical.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of liquid cooling heat dissipation, in particular to an immersed liquid cooling heat dissipation system which comprises a heat dissipation box and a vertical plate, the vertical plate is fixed to the heat dissipation box, cooling liquid can be stored in the heat dissipation box, and the end, away from the heat dissipation box, of the vertical plate is fixedly connected with a top plate; the supporting columns are fixedly installed in the heat dissipation box, bearing mechanisms are installed on the vertical plates and the top plate, and heat dissipation equipment can be placed on the bearing mechanisms; the circulating mechanism is mounted on the heat dissipation box; and the trigger mechanism is mounted on the heat dissipation box and engaged with the bearing mechanism. According to the immersed liquid cooling heat dissipation system, heat dissipation can be conducted on equipment, the equipment needing heat dissipation can be conveniently put into or taken out of the cooling liquid, meanwhile, circulation of the cooling liquid can be automatically started when the equipment is put into the cooling liquid, and the situation that the temperature of the cooling liquid is rapidly increased due to the fact that circulation of the cooling liquid is not started is avoided; normal work of the system is guaranteed, operation is simple, and practicability is high.
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Description

Technical Field

[0001] The present invention relates to the technical field of liquid cooling and heat dissipation, and in particular to an immersion liquid cooling and heat dissipation system. Background Art

[0002] Liquid cooling is a cooling technology that uses liquid as a cooling medium to efficiently transfer heat generated by electronic devices through circulation. Liquid cooling utilizes liquid as a heat transfer medium, leveraging its higher thermal conductivity (15-25 times) and specific heat capacity compared to air. A pump drives the coolant through circulation. Heat generated by the heating element is absorbed by the coolant and then released to the environment through an external heat sink, forming a closed circulation system.

[0003] Although existing liquid cooling systems can cool devices, they still have some problems. First, it is inconvenient to put the device that needs heat dissipation into or out of the coolant with the current liquid cooling system. Second, the current liquid cooling system cannot automatically start the coolant circulation when the device is placed in the coolant. The liquid cooling system is prone to causing the coolant temperature to rise rapidly due to the failure to start the coolant circulation. Therefore, an immersion liquid cooling system is needed to solve the above problems. Summary of the Invention

[0004] The purpose of the embodiments of the present invention is to provide an immersion liquid cooling heat dissipation system, which aims to solve the following problems: the existing liquid cooling heat dissipation system is not convenient for placing or removing the equipment that needs heat dissipation into or out of the coolant and cannot automatically start the circulation of the coolant when the equipment is placed in the coolant.

[0005] An embodiment of the present invention is implemented as follows: an immersion liquid cooling heat dissipation system includes: a heat dissipation box and a vertical plate, the vertical plate is fixed on the heat dissipation box, the coolant can be placed in the heat dissipation box for storage, and the end of the vertical plate away from the heat dissipation box is fixedly connected to the top plate; a pillar, which is fixedly installed in the heat dissipation box, and the vertical plate and the top plate are equipped with a supporting mechanism, the heat dissipation device can be placed on the supporting mechanism, the supporting mechanism is used to place the heat dissipation device in the heat dissipation box for heat dissipation, and the pillar is used to support the lower end of the supporting mechanism; a circulation mechanism, which is installed on the heat dissipation box and is used to extract the coolant in the heat dissipation box for heat dissipation and then introduce it into the heat dissipation box to maintain a constant temperature of the coolant; a trigger mechanism, which is installed on the heat dissipation box and engages with the supporting mechanism, and is used to control the opening and closing of the circulation mechanism.

[0006] Preferably, the supporting mechanism includes: a retractable assembly, which is mounted on a vertical plate, a limit plate fixedly provided on the retractable assembly, a limit hole opened on the limit plate, a first bevel gear fixedly provided on the end of the retractable assembly, and the power input end of the trigger mechanism is engaged with the first bevel gear; a placement plate, which is slidably arranged in the heat sink and fixedly connected to the power output end of the retractable assembly, the placement plate is provided with a through hole for the circulation of coolant, the heat dissipation device can be placed on the placement plate, and the retractable assembly is used to put the heat dissipation device on the placement plate into or out of the heat sink; a locking assembly, which is mounted on the top plate, and the locking assembly can be snapped into the limit hole opened by the limit plate to limit the rotation of the limit plate and the retractable assembly.

[0007] Preferably, the retracting and releasing assembly includes: a first power member, which is fixedly mounted on the vertical plate, an output shaft of the first power member is fixedly connected to a first gear, the first gear is meshed with a second gear rotatably mounted on the vertical plate; a rotating rod, both ends of which are rotatably connected to the two vertical plates, the second gear is fixedly connected to the rotating rod, a limit plate is fixed on the rotating rod, and the first bevel gear is fixedly connected to the end of the rotating rod; a winding drum, which is fixedly mounted on the rotating rod and is provided with two, a pull rope is fixedly provided on the two winding drums, and the rotation of the winding drum is used to reel in or release the pull rope, and the placement plate and the end of the pull rope away from the winding drum are fixedly connected.

[0008] Preferably, the locking assembly includes: a sleeve, which is fixedly mounted on the top plate, a sleeve rod is slidably provided on the sleeve, a connecting plate is fixedly provided on the sleeve rod, a limiting column is fixedly provided on the connecting plate, the limiting column and the limiting hole are cooperated, and a push spring is fixed between the connecting plate and the sleeve for pushing the limiting column into the limiting hole; a pull rod, one end of which is fixedly connected to the connecting plate, and the other end passes through the top plate and is fixedly connected to a clamping plate, the clamping plate is provided with a bayonet, and a pull handle is fixedly provided on the clamping plate; a guide plate, which is fixed to the top plate and provided on one side of the clamping plate, and a guide rod is slidably provided on the guide plate, one end of the guide rod is fixedly connected to the handle, and the other end of the guide rod is fixedly connected to a clamping block provided in cooperation with the bayonet, and a compression spring is fixedly connected between the clamping block and the guide plate for pushing the clamping block into the bayonet opening opened on the clamping plate.

[0009] Preferably, the circulation mechanism includes: an extraction pipe, which is fixed at the lower end of the heat dissipation box, the liquid outlet end of the extraction pipe is connected to the suction pipe, and the liquid outlet end of the suction pipe is connected to the upper side of the heat dissipation box; a pump body, which is installed on the suction pipe, and is used to drive the coolant to flow through the extraction pipe and the suction pipe, and a flow meter installed on the suction pipe is provided on the upper side of the pump body; a heat exchanger, which is installed on the suction pipe and arranged at the lower side of the pump body, and is used to exchange the heat absorbed by the coolant, and a heat dissipation component installed on the heat dissipation box is provided on the outside of the heat exchanger; a control valve, which is installed on the suction pipe and arranged at the lower side of the heat exchanger, and is used to control the flow rate of the coolant flowing through the suction pipe.

[0010] Preferably, the heat dissipation assembly includes: a protective cover, which is fixedly mounted on the heat dissipation box, the suction pipe passes through the protective cover, the heat exchanger is arranged in the protective cover, and the protective cover is provided with air holes; a support plate, both ends of which are fixedly connected to the inner wall of the protective cover, a second power member is mounted on the support plate, the output shaft of the second power member is fixedly connected to the first pulley, and two first pulleys are provided; a shaft, which is rotatably mounted on the support plate and distributed on both sides of the second power member, one end of the shaft on both sides is fixed with a second pulley, a belt is connected between the second pulley and the first pulley, and the other end of the shaft is fixedly connected to a fan blade.

[0011] Preferably, the trigger mechanism includes: a stabilizing sleeve, which is fixed on the heat dissipation box, a threaded barrel is rotatably provided on the stabilizing sleeve, a second bevel gear meshing with the first bevel gear is fixed on the upper end of the threaded barrel; a threaded column, which is threadedly connected to the threaded barrel, a trigger block is fixed on the threaded column, and a guide column sliding through the stabilizing sleeve is fixed on the trigger block; a trigger switch is installed on the heat dissipation box, and is used to control the opening and closing of the pump body and the heat exchanger.

[0012] The immersion liquid cooling heat dissipation system provided by the present invention can not only dissipate heat for the equipment, but also can conveniently put the equipment that needs heat dissipation into or take out the coolant. At the same time, the coolant circulation can be automatically started when the equipment is put into the coolant, avoiding the rapid increase in the temperature of the coolant due to the failure to start the coolant circulation, thereby ensuring the normal operation of the system, simple operation, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Schematic diagram of the immersion liquid cooling system.

[0014] Figure 2 Schematic diagram of the locking components of the immersion liquid cooling system.

[0015] Figure 3 Schematic diagram of the circulation mechanism of the immersion liquid cooling system.

[0016] In the accompanying drawings: 1-heat sink, 2-vertical plate, 3-top plate, 4-pillar, 5-carrying mechanism, 6-circulation mechanism, 7-trigger mechanism, 51-retractable assembly, 52-limiting plate, 53-first bevel gear, 54-placing plate, 55-locking assembly, 511-first power member, 512-first gear, 513-second gear, 514-rotating rod, 515-reeling drum, 516-pull rope, 551-sleeve, 552-sleeve rod, 553-connecting plate, 554-limiting column, 555-push spring, 556-pull rod, 557-clip plate, 558-handle, 559-guide plate, 5510-guide rod, 5511-handle, 5512-block, 5513-compression spring, 61-extraction pipe, 62-intake pipe, 63-pump body, 64-flow meter, 65-heat exchanger, 66-heat dissipation component, 67-control valve, 661-protective cover, 662-support plate, 663-second power member, 664-first pulley, 665-shaft, 666-second pulley, 667-belt, 668-fan blade, 71-stabilizing sleeve, 72-threaded cylinder, 73-second bevel gear, 74-threaded column, 75-trigger block, 76-guide column, 77-trigger switch. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0018] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0019] See also Figure 1 An embodiment of the present invention provides an immersion liquid cooling heat dissipation system, the immersion liquid cooling heat dissipation system comprising:

[0020] A heat sink 1 and a vertical plate 2, wherein the vertical plate 2 is fixed on the heat sink 1, and the coolant can be placed in the heat sink 1 for storage, and the end of the vertical plate 2 away from the heat sink 1 is fixedly connected to the top plate 3; a pillar 4, which is fixedly installed in the heat sink 1, and a supporting mechanism 5 is installed on the vertical plate 2 and the top plate 3, and the heat dissipation device can be placed on the supporting mechanism 5, and the supporting mechanism 5 is used to place the heat dissipation device in the heat sink 1 for heat dissipation, and the pillar 4 is used to support the lower end of the supporting mechanism 5; a circulation mechanism 6, which is installed on the heat sink 1, and is used to extract the coolant in the heat sink 1 for heat dissipation and then introduce it into the heat sink 1 to maintain a constant temperature of the coolant; a trigger mechanism 7, which is installed on the heat sink 1 and engages with the supporting mechanism 5, and is used to control the opening and closing of the circulation mechanism 6.

[0021] When using the immersion liquid cooling system, first add the coolant into the heat sink 1 for storage, then clamp the supporting mechanism 5, place the device that needs heat dissipation on the supporting mechanism 5, open the supporting mechanism 5, and the supporting mechanism 5 can slowly place the device that needs heat dissipation into the coolant of the heat sink 1 until the lower end of the supporting mechanism 5 is clamped on the pillar 4. In the process of the supporting mechanism 5 placing the device that needs heat dissipation into the coolant, the supporting mechanism 5 drives the trigger mechanism 7 to extend downward until the device that needs heat dissipation is completely placed in the coolant. The trigger mechanism 7 opens the circulation mechanism 6, and the circulation mechanism 6 can draw out the coolant in the heat sink 1, dissipate the heat absorbed by the coolant, and then draw it into the heat sink 1, thereby maintaining the temperature of the coolant in the heat sink 1 constant, ensuring that the device that needs heat dissipation can continue to dissipate heat.

[0022] like Figure 1 As shown, as a preferred embodiment of the present invention, the supporting mechanism 5 includes: a retractable component 51, which is installed on the vertical plate 2, and a limit plate 52 is fixedly provided on the retractable component 51, and the limit plate 52 has a limit hole. A first bevel gear 53 is fixedly provided at the end of the retractable component 51, and the power input end of the trigger mechanism 7 is engaged with the first bevel gear 53; a placement plate 54, which is slidably arranged in the heat dissipation box 1 and fixedly connected to the power output end of the retractable component 51, and the placement plate 54 is provided with a through hole for the circulation of coolant, and the heat dissipation device can be placed on the placement plate 54, and the retractable component 51 is used to put the heat dissipation device on the placement plate 54 into or out of the heat dissipation box 1; a locking component 55, which is installed on the top plate 3, and the locking component 55 can be snapped into the limit hole opened by the limit plate 52 to limit the rotation of the limit plate 52 and the retractable component 51.

[0023] Before placing the equipment that needs heat dissipation, check whether the locking assembly 55 is stuck in the limiting hole opened by the limiting plate 52. If not, open the retractable assembly 51, control the placement plate 54 to move to the top and make the limiting hole opened by the limiting plate 52 face upward, pull the control end of the locking assembly 55, so that the locking assembly 55 is stuck in the limiting plate 52 under the action of its own elastic force, thereby limiting the rotation of the limiting plate 52. At this time, the equipment that needs heat dissipation can be placed on the placement plate 54. Since the limiting plate 52 cannot rotate, the stability of the equipment that needs heat dissipation on the placement plate 54 can be ensured. Then pull the locking assembly 55, the locking assembly 55 can be disengaged from the limiting hole and locked. At this time, open the retractable assembly 51, and the retractable assembly 51 can place the placement plate 54 on the pillar 4, and then the equipment that needs heat dissipation can be placed in the coolant for heat dissipation.

[0024] like Figure 1As shown, as a preferred embodiment of the present invention, the retracting and unfolding assembly 51 includes: a first power member 511, which is fixedly mounted on the vertical plate 2, the output shaft of the first power member 511 is fixedly connected to a first gear 512, and the first gear 512 is engaged with a second gear 513 rotatably mounted on the vertical plate 2; a rotating rod 514, both ends of which are rotatably connected to the two vertical plates 2, the second gear 513 and the rotating rod 514 are fixedly connected, the limit plate 52 is fixed on the rotating rod 514, and the first bevel gear 53 and the end of the rotating rod 514 are fixedly connected; a winding drum 515, which is fixedly mounted on the rotating rod 514 and is provided with two, and a pull rope 516 is fixedly provided on the two winding drums 515, and the winding drum 515 is rotated to reel or release the pull rope 516, and the placement plate 54 and the end of the pull rope 516 away from the winding drum 515 are fixedly connected.

[0025] When placing the equipment that needs heat dissipation into the coolant, first pull the control end of the locking assembly 55 to disengage the locking assembly 55 from the limiting hole opened by the limiting disk 52, and then open the first power member 511. The first power member 511 is specifically a motor. The output shaft of the first power member 511 drives the first gear 512 to rotate, and the first gear 512 drives the second gear 513 to rotate, thereby driving the winding drum 515 on the rotating rod 514 to rotate. The winding drum 515 can release the pull rope 516, and the placement plate 54 can slowly place the equipment that needs heat dissipation into the coolant of the heat dissipation box 1 under the action of its own gravity.

[0026] like Figure 2 As shown, as a preferred embodiment of the present invention, the locking assembly 55 includes: a sleeve 551, which is fixedly installed on the top plate 3, a sleeve rod 552 is slidably provided on the sleeve 551, a connecting plate 553 is fixedly provided on the sleeve rod 552, a limiting column 554 is fixedly provided on the connecting plate 553, the limiting column 554 and the limiting hole are matched, and a push spring 555 for pushing the limiting column 554 into the limiting hole is fixed between the connecting plate 553 and the sleeve 551; a pull rod 556, one end of which is fixedly connected to the connecting plate 553, and the other end passes through the top plate 3 and is fixed It is connected to a card plate 557, which has a bayonet opening, and a pull handle 558 is fixedly provided on the card plate 557; a guide plate 559 is fixed on the top plate 3 and is arranged on one side of the card plate 557, and a guide rod 5510 is slidably provided on the guide plate 559, one end of the guide rod 5510 is fixedly connected to a handle 5511, and the other end of the guide rod 5510 is fixedly connected to a card block 5512 that is arranged to cooperate with the bayonet opening, and a compression spring 5513 is fixedly connected between the card block 5512 and the guide plate 559 for pushing the card block 5512 into the bayonet opening opened on the card plate 557.

[0027] When the control limit column 554 is separated from the limit hole opened by the limit plate 52, the pull handle 558 is lifted up, and the pull handle 558 drives the card plate 557, the pull rod 556, the connecting plate 553 and the sleeve rod 552 to move upward along the sleeve 551 and compress the push spring 555. The upward movement of the connecting plate 553 can drive the limit column 554 to move upward and separate from the limit hole. At the same time, the bayonet opening opened by the card plate 557 is flush with the card block 5512, and the compression spring 5513 can push the card block 5512 into the bayonet opening, thereby maintaining the state of the limit column 554 being separated from the limit hole. By turning on the first power part 511, the equipment that needs heat dissipation can be slowly placed into the coolant of the heat dissipation box 1. To limit the rotation of the rotating rod 514, pull the handle 5511. The handle 5511 drives the guide rod 5510 to slide along the guide plate 559 and compress the compression spring 5513, thereby driving the block 5512 out of the bayonet. At this time, the push spring 555 can push the limiting column 554 on the connecting plate 553 into the limiting hole opened by the limiting disk 52, thereby limiting the rotation of the rotating rod 514 and ensuring the stability of the equipment that needs heat dissipation when it is placed on the placement plate 54.

[0028] like Figure 1 As shown, as a preferred embodiment of the present invention, the circulation mechanism 6 includes: an extraction pipe 61, which is fixed at the lower end of the heat dissipation box 1, and the liquid outlet end of the extraction pipe 61 is connected to the suction pipe 62, and the liquid outlet end of the suction pipe 62 is connected to the upper side of the heat dissipation box 1; a pump body 63, which is installed on the suction pipe 62, and is used to drive the coolant to flow through the extraction pipe 61 and the suction pipe 62, and a flow meter 64 installed on the suction pipe 62 is provided on the upper side of the pump body 63; a heat exchanger 65, which is installed on the suction pipe 62 and is arranged at the lower side of the pump body 63, and is used to exchange the heat absorbed by the coolant, and a heat dissipation component 66 installed on the heat dissipation box 1 is provided on the outer side of the heat exchanger 65; a control valve 67, which is installed on the suction pipe 62 and is arranged at the lower side of the heat exchanger 65, and is used to control the flow rate of the coolant flowing through the suction pipe 62.

[0029] When the coolant is dissipating heat, the trigger mechanism 7 controls the pump body 63, the heat exchanger 65 and the heat dissipation component 66 to start, and the coolant can flow from the heat dissipation box 1 through the extraction pipe 61 and the suction pipe 62 and flow back into the heat dissipation box 1. During this process, the control valve 67 can be rotated to adjust the flow rate of the coolant, and the flow meter 64 can count the flow of the coolant. When the coolant flows to the heat exchanger 65, heat exchange can be carried out to remove the heat absorbed by the cooling water, and the heat dissipation component 66 can quickly dissipate the removed heat into the air.

[0030] like Figure 3As shown, as a preferred embodiment of the present invention, the heat dissipation assembly 66 includes: a protective cover 661, which is fixedly mounted on the heat dissipation box 1, the suction pipe 62 passes through the protective cover 661, the heat exchanger 65 is arranged in the protective cover 661, and the protective cover 661 is provided with an air vent; a support plate 662, both ends of which are fixedly connected to the inner wall of the protective cover 661, and a second power member 663 is installed on the support plate 662, and the output shaft of the second power member 663 is fixedly connected to the first pulley 664, and there are two first pulleys 664; a shaft 665, which is rotatably mounted on the support plate 662 and distributed on both sides of the second power member 663, and one end of the shaft 665 on both sides is fixed with a second pulley 666, a belt 667 is connected between the second pulley 666 and the first pulley 664, and the other end of the shaft 665 is fixedly connected to a fan blade 668.

[0031] When heat dissipation is performed, the second power component 663 is turned on by the trigger mechanism 7. The second power component 663 is specifically a motor. The output shaft of the second power component 663 drives the first pulley 664 to rotate. The first pulley 664 drives the second pulley 666 to rotate through the belt 667, thereby driving the shaft 665 and the fan blades 668 to rotate. The rotation of the fan blades 668 can quickly dissipate the heat derived from the heat exchanger 65.

[0032] like Figure 1 As shown, as a preferred embodiment of the present invention, the trigger mechanism 7 includes: a stabilizing sleeve 71, which is fixed on the heat dissipation box 1, and a threaded barrel 72 is rotatably provided on the stabilizing sleeve 71, and a second bevel gear 73 engaged with the first bevel gear 53 is fixed on the upper end of the threaded barrel 72; a threaded column 74, which is threadedly connected to the threaded barrel 72, and a trigger block 75 is fixed on the threaded column 74, and a guide column 76 that slides through the stabilizing sleeve 71 is fixed on the trigger block 75; a trigger switch 77, which is installed on the heat dissipation box 1, and is used to control the opening and closing of the pump body 63 and the heat exchanger 65.

[0033] The rotation of the rotating rod 514 can place the equipment that needs heat dissipation into the coolant. At the same time, the rotating rod 514 can drive the first bevel gear 53 to rotate. The first bevel gear 53 drives the second bevel gear 73 and the threaded cylinder 72 to rotate on the stabilizing sleeve 71. The rotation of the threaded cylinder 72 can enable the threaded column 74 to drive the trigger block 75 and the guide column 76 to move downward along the stabilizing sleeve 71. The downward movement of the trigger block 75 can press the trigger switch 77, and the trigger switch 77 can start the pump body 63, the heat exchanger 65 and the second power component 663.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An immersion liquid cooling system, comprising a heat sink and a vertical plate, characterized in that: The vertical plate is fixed on the heat dissipation box, and the coolant can be placed in the heat dissipation box for storage. The end of the vertical plate away from the heat dissipation box is fixedly connected to the top plate; The pillar is fixedly installed in the heat dissipation box. The vertical plate and the top plate are equipped with a bearing mechanism. The heat dissipation device can be placed on the bearing mechanism. The bearing mechanism is used to place the heat dissipation device into the heat dissipation box for heat dissipation. The pillar is used to support the lower end of the bearing mechanism; The circulation mechanism is installed on the radiator box and is used to extract the coolant in the radiator box to dissipate heat and then introduce it into the radiator box to maintain a constant temperature of the coolant; The trigger mechanism is installed on the heat dissipation box and engaged with the supporting mechanism, and is used to control the opening and closing of the circulation mechanism.

2. The immersion liquid cooling system according to claim 1, characterized in that: The carrying mechanism comprises: A retractable assembly is mounted on the vertical plate, a limit plate is fixedly provided on the retractable assembly, a limit hole is opened on the limit plate, a first bevel gear is fixedly provided at the end of the retractable assembly, and a power input end of the trigger mechanism is engaged with the first bevel gear; A placement plate is slidably disposed in the heat dissipation box and fixedly connected to the power output end of the retractable assembly. The placement plate is provided with a through hole for the circulation of coolant. The heat dissipation device can be placed on the placement plate. The retractable assembly is used to place the heat dissipation device on the placement plate into or out of the heat dissipation box. The locking assembly is installed on the top plate. The locking assembly can be inserted into the limiting hole of the limiting plate to limit the rotation of the limiting plate and the retractable assembly.

3. The immersion liquid cooling system according to claim 2, characterized in that: The retractable assembly includes: A first power member is fixedly mounted on the vertical plate, wherein an output shaft of the first power member is fixedly connected to a first gear, and the first gear is meshed with a second gear rotatably mounted on the vertical plate; A rotating rod, both ends of which are rotatably connected to the two vertical plates, a second gear is fixedly connected to the rotating rod, a limiting plate is fixed on the rotating rod, and a first bevel gear is fixedly connected to an end of the rotating rod; The winding drum is fixedly mounted on the rotating rod and is provided with two thereof. A pull rope is fixedly provided on the two winding drums. The winding drum is rotated to reel in or release the pull rope. The placement plate is fixedly connected to one end of the pull rope away from the winding drum.

4. The immersion liquid cooling system according to claim 2, characterized in that: The locking assembly comprises: The sleeve is fixedly mounted on the top plate, a sleeve rod is slidably provided on the sleeve, a connecting plate is fixedly provided on the sleeve rod, a limiting column is fixedly provided on the connecting plate, the limiting column and the limiting hole are matched, and a push spring is fixed between the connecting plate and the sleeve for pushing the limiting column into the limiting hole; A pull rod, one end of which is fixedly connected to the connecting plate, and the other end of which passes through the top plate and is fixedly connected to a clamping plate, the clamping plate is provided with a bayonet, and a pull handle is fixedly provided on the clamping plate; The guide plate is fixed on the top plate and arranged on one side of the card plate. A guide rod is slidably arranged on the guide plate. One end of the guide rod is fixedly connected to a handle, and the other end of the guide rod is fixedly connected to a card block that cooperates with the card slot. A compression spring is fixedly connected between the card block and the guide plate for pushing the card block into the card slot opened on the card plate.

5. The immersion liquid cooling system according to claim 1, characterized in that: The circulation mechanism comprises: An extraction pipe is fixed to the lower end of the heat dissipation box, the liquid outlet end of the extraction pipe is connected to the suction pipe, and the liquid outlet end of the suction pipe is connected to the upper side of the heat dissipation box; The pump body is installed on the suction pipe and is used to drive the coolant to flow through the extraction pipe and the suction pipe. The upper side of the pump body is provided with a flow meter installed on the suction pipe; A heat exchanger is installed on the suction pipe and arranged on the lower side of the pump body, and is used to exchange the heat absorbed by the coolant. A heat dissipation component installed on the heat dissipation box is provided on the outside of the heat exchanger; The control valve is installed on the suction pipe and arranged at the lower side of the heat exchanger, and is used to control the flow rate of the coolant flowing through the suction pipe.

6. The immersion liquid cooling system according to claim 5, characterized in that: The heat dissipation component includes: A protective cover is fixedly mounted on the heat dissipation box, the suction pipe passes through the protective cover, the heat exchanger is arranged in the protective cover, and the protective cover is provided with ventilation holes; A support plate, both ends of which are fixedly connected to the inner wall of the protective cover, a second power member is mounted on the support plate, an output shaft of the second power member is fixedly connected to a first pulley, and two first pulleys are provided; The shaft is rotatably mounted on the support plate and distributed on both sides of the second power member. A second pulley is fixed at one end of the shaft on both sides, a belt is connected between the second pulley and the first pulley, and the other end of the shaft is fixedly connected to the fan blade.

7. The immersion liquid cooling system according to claim 3 or 5, characterized in that: The trigger mechanism comprises: A stabilizing sleeve is fixed on the heat dissipation box, and a threaded barrel is rotatably provided on the stabilizing sleeve, and a second bevel gear meshing with the first bevel gear is fixed on the upper end of the threaded barrel; A threaded column is threadedly connected to the threaded barrel, a trigger block is fixedly provided on the threaded column, and a guide column that slides through the stabilizing sleeve is fixed on the trigger block; The trigger switch is installed on the heat dissipation box and is used to control the opening and closing of the pump body and the heat exchanger.