Liquid cooling heat dissipation device and electronic equipment

Abstract

The embodiment of the invention provides a liquid cooling heat dissipation device and electronic equipment, and relates to the technical field of heat dissipation of electronic equipment. The liquid cooling heat dissipation device comprises a liquid separator, a liquid cooling device and a liquid cooling device, wherein the liquid separator is used for being arranged in a case; a plurality of liquid passing holes are formed in the elastic piece at intervals, and the liquid separator is connected with one side of the elastic piece; one side of each cold plate is connected with the other side of the corresponding elastic part, the other side of each cold plate is used for abutting against a part to be cooled, and a cooling space is formed between each cold plate and the liquid separator through the corresponding liquid passing hole; a liquid inlet and a liquid outlet are formed in the positions, located on the two sides of each cooling space, of the liquid separator. According to the liquid cooling heat dissipation device and the electronic equipment, the convenience of plugging and unplugging the to-be-cooled part is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic equipment heat dissipation, and particularly to a liquid cooling heat dissipation device and electronic equipment. BACKGROUND

[0002] An optical module is an electronic device for optical-electrical signal conversion, and is widely used in fields such as data centers, communication networks, base stations and cloud computing platforms. The main function of the optical module is to realize the mutual conversion between electrical signals and optical signals, thereby supporting high-speed and long-distance data transmission.

[0003] In the related art, when multiple optical modules need to be installed at the same time, a case is usually used for centralized arrangement, and multiple optical modules are arranged in the case in a vertical direction. Since a large amount of heat is generated during the operation of the optical module, in order to prolong the service life of the optical module, a cold plate is usually arranged above each optical module, and the optical module is abutted with the cold plate. The cooling liquid circulates in the cold plate to take away heat, thereby achieving effective heat dissipation of the optical module.

[0004] In order to facilitate the disassembly and assembly of the optical module, each module is installed in the case in a plug-in structure. However, in the actual plug-in process, there is a large abutment force between the cold plate arranged in the case and the optical module, which makes the plug-in operation not smooth enough, thereby making it inconvenient to replace the optical module. SUMMARY

[0005] Embodiments of the present application provide a liquid cooling heat dissipation device and electronic equipment to solve the technical problem that the optical module in the related art is inconvenient to replace due to a large abutment force between the optical module and the cold plate during plug-in.

[0006] In a first aspect, embodiments of the present application provide a liquid cooling heat dissipation device, comprising:

[0007] A distributor is arranged in the case.

[0008] An elastic member is arranged in the case.

[0009] A plurality of cold plates are arranged in the case.

[0010] In some embodiments, the elastic member comprises a first elastic part and a plurality of second elastic parts, the plurality of liquid passing holes are arranged on the first elastic part, the distributor is connected to the first elastic part, and the second elastic parts are arranged around the inner walls of the liquid passing holes, and the cold plate is connected to the second elastic parts.

[0011] In some embodiments, the second elastic parts and the first elastic part (220) are formed with a floating space towards one side of the distributor, so that the second elastic parts float on the first elastic part.

[0012] In some embodiments, the first pressing plate is arranged along the circumference of the distributor, and the first fixing members are arranged on the first pressing plate, and the first fixing members are used to fix the first elastic part between the distributor and the first pressing plate.

[0013] In some embodiments, the second pressing plate is arranged on one side of each cold plate towards the distributor, the second pressing plate is arranged along the circumference of the cold plate, and the second fixing members are arranged on the second pressing plate, and the second fixing members are used to fix the second elastic part between the cold plate and the second pressing plate.

[0014] In some embodiments, the third pressing plate is arranged in the sliding space between the second pressing plate and the cold plate, and the second fixing members are used to fix the second elastic part between the second pressing plate and the third pressing plate.

[0015] In some embodiments, the distributor is arranged with a groove along the circumference of the distributor, and the groove is used to move the second pressing plate in or out when the cold plate moves.

[0016] In some embodiments, the heat conducting layer is arranged on the side of the cold plate away from the distributor, and the heat conducting layer is used to abut against the heat dissipation member.

[0017] In some embodiments, the heat conducting layer comprises a phase change sheet and a metal film, the phase change sheet is arranged on the cold plate, and the metal film is arranged on the phase change sheet.

[0018] In a second aspect, the application provides an electronic device comprising a device body and the liquid cooling heat dissipation device arranged on the device body.

[0019] The embodiment of the present application provides a liquid cooling heat dissipation device and electronic equipment, the present application provides a liquid cooling heat dissipation device, by adopting elastic element, and connecting the liquid distributor and the cold plate with the two sides of the elastic element respectively, when the to-be-cooled member is plugged, because the to-be-cooled member abuts against the cold plate, the to-be-cooled member can extrude the cold plate, at this time, the cold plate can extrude the elastic element, because the elastic element has elasticity, the elastic element can be deformed, so that the abutting force between the to-be-cooled member and the cold plate is not too large, which prevents the to-be-cooled member from being inconveniently plugged, indirectly improves the convenience of plugging the to-be-cooled member, and prevents the cold plate and the to-be-cooled member from being damaged due to the too large abutting force, indirectly prolongs the service life of the cold plate and the to-be-cooled member; by adopting the liquid distributor, the plurality of cold plates and the plurality of cooling spaces, the cooling liquid is input into each cooling space through the liquid inlet, so that the same liquid distributor can cool a plurality of to-be-cooled members at the same time, thereby improving the heat dissipation efficiency of the plurality of to-be-cooled members. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings incorporated into the specification and forming part of the specification, show embodiments consistent with the present application, and together with the specification, serve to explain the principles of the present application.

[0021] Figure 1 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0022] Figure 2 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled. Figure 1 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0023] Figure 3 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0024] Figure 4 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled. Figure 3 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0025] Figure 5 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled. Figure 4 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0026] Figure 6 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled. Figure 3 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0027] Figure 7 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled. Figure 3 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0028] Figure 8 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0029] Figure 9 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled. Figure 8 The structure schematic diagram of the liquid cooling heat dissipation device provided by the present application is assembled.

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 100, distributor; 110, liquid inlet; 120, liquid outlet; 130, groove; 140, liquid inlet pipe; 150, liquid outlet pipe; 160, first communication groove; 170, second communication groove;

[0032] 200, elastic member; 210, liquid passing hole; 220, first elastic part; 230, second elastic part; 231, floating interval;

[0033] 300, cold plate; 310, cooling space; 320, abutting part; 330, heat dissipation part; 340, protrusion;

[0034] 400, first pressing plate; 410, first fixing member; 420, first mounting part; 430, second mounting part;

[0035] 500, second pressing plate; 510, second fixing member; 520, third mounting part; 530, fourth mounting part; 540, sliding space;

[0036] 600, third pressing plate; 610, fifth mounting part; 620, sixth mounting part;

[0037] 700, heat conduction layer;

[0038] 800, to-be-cooled member.

[0039] The above-described drawings have shown the explicit embodiments of the present application, which will be described in more detail hereinafter. These drawings and written descriptions are not intended to limit the scope of the concept of the present application by any means, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0040] The exemplary embodiments will be described in detail herein below with reference to the drawings. In the following description, the same drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they only represent examples of apparatuses and methods consistent with some aspects of the present application, as detailed in the appended claims.

[0041] In the related art, when multiple optical modules need to be installed simultaneously, a cabinet is usually used for centralized arrangement. Multiple optical modules are arranged in the cabinet in a vertical direction, and each optical module generates a large amount of heat during operation. In order to prolong the service life of the optical module, a cold plate is usually arranged above each optical module, and the optical module is in close contact with the cold plate. The cooling liquid circulates in the cold plate, and through direct contact between the cold plate and the optical module, the heat generated by the optical module is quickly taken away, thereby achieving effective heat dissipation of the optical module.

[0042] In order to facilitate the replacement of damaged optical modules, each optical module is usually installed in the cabinet in a plug-in structure; however, in the actual plug-in process, due to the large abutting force between the cold plate arranged in the cabinet and the optical module, the plug-in operation is not smooth enough. This large abutting force not only increases the difficulty of plugging, but also may cause damage to the optical module or the cold plate, causing inconvenience to maintenance personnel and reducing maintenance efficiency.

[0043] The technical solutions of the present application and how the technical solutions of the present application solve the above technical problems will be described in detail below with specific examples. The following specific examples can be combined with each other, and the same or similar concepts or processes may not be described again in some examples. The embodiments of the present application will be described below with reference to the drawings.

[0044] In combination Figures 1 to 9 , the embodiment of the present application provides a liquid cooling heat dissipation device, comprising:

[0045] The distributor 100 is arranged in the cabinet;

[0046] The elastic member 200 is arranged in the cabinet;

[0047] A plurality of cold plates 300 are arranged in the cabinet;

[0048] In the application, by adopting the elastic member 200 and connecting the distributor 100 and the cold plate 300 to the opposite sides of the elastic member 200 respectively, when the to-be-cooled member 800 is plugged in or pulled out, because the to-be-cooled member 800 abuts against the cold plate 300, the to-be-cooled member 800 can extrude the cold plate 300, at this time, the cold plate 300 can extrude the elastic member 200, because the elastic member 200 has elasticity, the elastic member 200 can deform, thereby preventing the abutting force between the to-be-cooled member 800 and the cold plate 300 from being too large to facilitate the plugging in and pulling out of the to-be-cooled member 800, indirectly improving the convenience of plugging in and pulling out of the to-be-cooled member 800, and preventing the cold plate 300 and the to-be-cooled member 800 from being damaged due to the abutting force being too large, indirectly prolonging the service life of the cold plate 300 and the to-be-cooled member 800; by adopting the distributor 100, the plurality of cold plates 300 and the plurality of cooling spaces 310, the cooling liquid is input into each cooling space 310 through the liquid inlet 110, so that the same distributor 100 can cool a plurality of to-be-cooled members 800 at the same time, thereby improving the heat dissipation efficiency of the plurality of to-be-cooled members 800.

[0049] In the embodiment, the elastic member 200 is provided with four liquid passing holes 210, and the cold plate 300 is provided with four cold plates 300, and the four cold plates 300 correspond to the four liquid passing holes 210 one by one, so that the same distributor 100 can cool four to-be-cooled members 800 at the same time, thereby indirectly improving the heat dissipation efficiency; in other embodiments, the number of liquid passing holes 210 and cold plates 300 can be adaptively adjusted according to the number of to-be-cooled members 800, for example, the liquid passing holes 210 and the cold plates 300 are provided as five.

[0050] In the embodiment, the liquid passing hole 210 is a strip-shaped hole; in other embodiments, the shape of the liquid passing hole 210 can be adaptively adjusted according to the shape of the to-be-cooled member 800, for example, the liquid passing hole 210 is provided as a square or an ellipse, etc.

[0051] In the embodiment, when the four to-be-cooled members 800 are provided with two groups in the vertical direction in the case, at this time, the distributor 100 can be provided as two, and the two distributors 100 are provided in the vertical direction with a spacing, and the two distributors 100 are provided with four cold plates 300 respectively, and the two distributors 100 can be fixed by the stud; in other embodiments, the number of distributors 100 can be adaptively adjusted as needed.

[0052] In the embodiment, the cold plate 300 is made of copper, and the cold plate 300 includes an abutting portion 320 and a heat dissipation portion 330, the heat dissipation portion 330 is arranged on the side of the abutting portion 320 facing the distributor 100, the abutting portion 320 is used for abutting against the to-be-cooled member 800, and the heat dissipation portion 330 is a fin, the arrangement of the fin indirectly increases the heat exchange area between the abutting portion 320 and the to-be-cooled member 800, thereby indirectly improving the heat dissipation efficiency of the cold plate 300 to the to-be-cooled member 800.

[0053] The elastic sealing member 200 comprises a first elastic part 220 and a plurality of second elastic parts 230, the plurality of liquid passing holes 210 are arranged on the first elastic part 220 in a spaced manner, the distributor 100 is connected with the first elastic part 220, and the second elastic part 230 is arranged around the inner wall of the liquid passing hole 210, and the cold plate 300 is connected with the second elastic part 230.

[0054] In the present application, by arranging the first elastic part 220 and the second elastic part 230, and connecting the distributor 100 with the first elastic part 220 and connecting the cold plate 300 with the second elastic part 230, when the to-be-cooled member 800 is inserted and pulled out, the to-be-cooled member 800 can extrude the cold plate 300, so that the cold plate 300 extrudes the second elastic part 230, and because the first elastic part 220 is connected with the distributor 100, when the cold plate 300 extrudes the first elastic part 220, the deformation degree of the first elastic part 220 is small, and by extruding the second elastic part 230, because the second elastic part 230 is not connected with the distributor 100, the second elastic part 230 itself can be deformed, and the connection position of the first elastic part 220 and the second elastic part 230 can also be deformed, thereby indirectly increasing the deformation degree of the elastic member 200 when the to-be-cooled member 800 is inserted and pulled out, thereby further facilitating the insertion and pulling out of the to-be-cooled member 800.

[0055] In the present embodiment, the abutting part 320 of the cold plate 300 is connected with the second elastic part 230, the first elastic part 220 and the second elastic part 230 are integrally arranged, the first elastic part 220 and the second elastic part 230 are made of ethylene-propylene-diene rubber or fluorosilicone rubber, the ethylene-propylene-diene rubber has excellent aging resistance, ozone resistance and weather resistance, and can maintain stable physical properties when exposed to sunlight, rainwater, oxygen and other natural environments for a long time; in addition, the ethylene-propylene-diene rubber also has good heat resistance, chemical corrosion resistance and electrical insulation performance; the fluorosilicone rubber combines the advantages of silicone rubber and fluororubber, has excellent high temperature resistance, oil resistance, solvent resistance and chemical corrosion resistance, and performs well in extreme temperature and harsh chemical environments; at the same time, the fluorosilicone rubber also maintains the flexibility and electrical insulation of silicone rubber.

[0056] The second elastic part 230 is formed with a floating spacing 231 on the side facing the distributor 100 of the first elastic part 220, so that the second elastic part 230 floats on the first elastic part 220.

[0057] In the present application, since the cooling space 310 is formed between the cold plate 300 and the distributor 100, by forming the floating gap 231 between the second elastic part 230 and the distributor 100, the cold plate 300 connected to the second elastic part 230 increases the distance between the second elastic part 230 and the distributor 100, thereby indirectly increasing the space of the cooling space 310 between the cold plate 300 and the distributor 100, so that the cooling space 310 can accommodate more cooling liquid, thereby indirectly improving the heat dissipation efficiency of the heat dissipation component 800; and when the heat dissipation component 800 is inserted and pulled out, the second elastic part 230 can move within the floating gap 231, thereby providing space for the movement of the second elastic part 230, further facilitating the insertion and pulling out of the heat dissipation component 800.

[0058] In the present embodiment, the first elastic part 220 is arranged parallel to the second elastic part 230, and the first elastic part 220 and the second elastic part 230 are connected by the elastic connecting part, which is arranged perpendicular to the first elastic part 220 and the second elastic part 230; in other embodiments, the second elastic part 230 can also be arranged obliquely, so that the distance between the second elastic part 230 and the distributor 100 gradually increases in a direction away from the first elastic part 220.

[0059] The liquid cooling heat dissipation device further comprises a first pressing plate 400 and a plurality of first fixing parts 410, the first pressing plate 400 is arranged along the circumference of the distributor 100, and the first fixing parts 410 are arranged on the first pressing plate 400, and the first fixing parts 410 are used to fix the first elastic part 220 between the distributor 100 and the first pressing plate 400.

[0060] In the present application, by arranging the first pressing plate 400 and the first fixing parts 410, the first fixing parts 410 can fix the first elastic part 220 between the distributor 100 and the first pressing plate 400, thereby improving the fixing strength of the first elastic part 220 fixed on the distributor 100, thereby indirectly improving the sealing between the distributor 100 and the first elastic part 220, preventing part of the cooling liquid from flowing out along the gap between the distributor 100 and the first elastic part 220; and the arrangement of the first pressing plate 400 can protect the first elastic part 220, thereby indirectly improving the service life of the first elastic part 220.

[0061] In the embodiment, the first pressing plate 400 comprises a first mounting portion 420 and a second mounting portion 430, the first mounting portion 420 is parallel to the distributor 100, the second mounting portion 430 is integrally connected to the edge of the first mounting portion 420 away from the liquid hole 210, and the second mounting portion 430 is arranged perpendicular to the first mounting portion 420, the first elastic portion 220 is arranged between the distributor 100, the first mounting portion 420 and the second mounting portion 430, and the second mounting portion 430 can limit the first elastic portion 220 to prevent the first elastic portion 220 from moving in the direction parallel to the plane where the distributor 100 is arranged.

[0062] In the embodiment, the thickness of the first elastic portion 220 is greater than the thickness of the second mounting portion 430, when the first fixing member 410 is mounted on the first elastic portion 220, the first elastic portion 220 can be extruded, thereby further improving the sealing between the distributor 100 and the first pressing plate 400.

[0063] In the embodiment, the first fixing member 410 is a first bolt, the first bolt is arranged on the first pressing plate 400 and the first elastic portion 220, and the first bolt is used for insertion and threaded connection on the distributor 100, so that the first bolt can drive the first pressing plate 400 to extrude the first elastic portion 220, thereby sealing the gap between the first pressing plate 400 and the distributor 100 by the first elastic portion 220.

[0064] In other embodiments, the first fixing member 410 can also be replaced by a buckle or a fixing pin, and the buckle and the fixing pin can also achieve the installation of the first elastic portion 220 and the extrusion of the first elastic portion 220.

[0065] The liquid cooling heat dissipation device further comprises a second pressing plate 500 and a plurality of second fixing members 510, the second pressing plate 500 is arranged on each side of the cold plate 300 facing the distributor 100, the second pressing plate 500 is arranged along the circumferential direction of the cold plate 300, and the second fixing member 510 is arranged on the second pressing plate 500, and the second fixing member 510 is used for fixing the second elastic portion 230 between the cold plate 300 and the second pressing plate 500.

[0066] In the present application, by adopting the arrangement of the second pressing plate 500 and the second fixing member 510, the second fixing member 510 can fix the second elastic part 230 between the cold plate 300 and the second pressing plate 500, thereby improving the fixing strength of the second elastic part 230 on the cold plate 300, indirectly improving the sealing between the cold plate 300 and the second elastic part 230, and preventing part of the cooling liquid from flowing out along the gap between the cold plate 300 and the second elastic part 230; and by adopting the arrangement of the second pressing plate 500, the second elastic part 230 can be protected, thereby indirectly improving the service life of the second elastic part 230; by arranging the second pressing plate 500 on the side of the cold plate 300 facing the distributor 100, the second pressing plate 500 can be prevented from affecting the abutment between the cold plate 300 and the to-be-cooled part 800, thereby indirectly improving the heat dissipation efficiency of the cold plate 300 on the to-be-cooled part 800.

[0067] In the present embodiment, the second pressing plate 500 includes a third mounting part 520 and a fourth mounting part 530, the third mounting part 520 is parallel to the abutment part 320 of the cold plate 300, the fourth mounting part 530 is integrally connected to the edge of the third mounting part 520 close to the liquid passing hole 210, and the fourth mounting part 530 is arranged perpendicular to the third mounting part 520, the second elastic part 230 is arranged between the abutment part 320 of the cold plate 300, the third mounting part 520 and the fourth mounting part 530, and the fourth mounting part 530 can limit the second elastic part 230, thereby preventing the fourth elastic part from moving in the direction parallel to the plane on which the distributor 100 is arranged.

[0068] In the present embodiment, the abutment part 320 of the cold plate 300 integrally has a protrusion 340 on the abutment part 320 in the circumferential direction of the abutment part 320, the protrusion 340 is used to abut the side of the fourth mounting part 530 away from the heat dissipation part 330, thereby limiting the second pressing plate 500, and indirectly improving the fixing strength of the second pressing plate 500 on the cold plate 300.

[0069] In the present embodiment, the second fixing member 510 is a second bolt, the second bolt is arranged on the abutment part 320 of the cold plate 300, and the second bolt is used to be inserted and threadedly connected on the second pressing plate 500 and the second elastic part 230, so that the second bolt can drive the second pressing plate 500 to press the second elastic part 230, thereby enabling the second elastic part 230 to seal the gap between the second pressing plate 500 and the cold plate 300.

[0070] In other embodiments, the second fixing member 510 can also be replaced by a buckle or a fixing pin, and the buckle and the fixing pin can also achieve the installation of the second elastic part 230 and the pressing of the second elastic part 230.

[0071] The liquid cooling heat dissipation device further comprises a third pressing plate 600, a sliding space 540 is formed between the second pressing plate 500 and the cold plate 300, the third pressing plate 600 is slidingly arranged in the sliding space 540, and the second fixing member 510 is used for fixing the second elastic part 230 between the second pressing plate 500 and the third pressing plate 600.

[0072] In the present application, by adopting the third pressing plate 600 and slidingly arranging the third pressing plate 600 in the sliding space 540, the second pressing plate 500 cooperating with the third pressing plate 600 can further extrude the second elastic part 230, so as to further improve the sealing between the cold plate 300 and the second pressing plate 500.

[0073] In the present embodiment, the third pressing plate 600 comprises a fifth mounting part 610 and a sixth mounting part 620, the fifth mounting part 610 is parallel to the abutting part 320 of the cold plate 300, the sixth mounting part 620 is integrally connected to the edge of the fifth mounting part 610 close to the liquid passing hole 210, and the sixth mounting part 620 is arranged perpendicularly to the fifth mounting part 610, the sixth mounting part 620 is used for abutting against the fourth mounting part 530, and the second elastic part 230 is arranged between the third mounting part 520, the fifth mounting part 610 and the sixth mounting part 620.

[0074] In the present embodiment, the thickness of the second elastic part 230 is greater than the thickness of the sixth mounting part 620, when the second fixing member 510 is installed on the second elastic part 230, the second elastic part 230 can be extruded, so as to further improve the sealing between the cold plate 300 and the second pressing plate 500.

[0075] In the present embodiment, the second bolt is arranged on the abutting part 320 of the cold plate 300, the fifth mounting part 610, the second elastic part 230 and the third mounting part 520 away from the side of the distributor 100, so that the second bolt can extrude the second elastic part 230; in other embodiments, the second bolt can also be arranged on the third mounting part 520 towards the side of the distributor 100, or the second bolt is arranged and threadedly connected on the abutting part 320, and the rod part of the second bolt is abutted against the fifth mounting part 610, so that the fifth mounting part 610 extrudes the second elastic part 230.

[0076] The recess 130 is arranged on the distributor 100 along the circumference of the distributor 100, and is used for moving the second pressing plate 500 in or out when the cold plate 300 moves.

[0077] In the present application, by adopting the arrangement of the groove 130, when the to-be-cooled part 800 is inserted or pulled out, the to-be-cooled part 800 can extrude the second pressing plate 500, thereby driving the fourth mounting portion 530 of the second pressing plate 500 to move in the groove 130, so that the structure between the distributor 100, the second pressing plate 500, the third pressing plate 600 and the cold plate 300 is more compact, and the space occupation of the distributor 100, the second pressing plate 500, the third pressing plate 600 and the cold plate 300 in the vertical direction is indirectly reduced.

[0078] In the present embodiment, the cross section of the groove 130 is arranged in a "U" shape, and in other embodiments, the cross section of the groove 130 can also be arranged in an arc shape or the like.

[0079] The liquid cooling heat dissipation device further comprises a heat conduction layer 700, which is arranged on the side of the cold plate 300 away from the distributor 100, and the heat conduction layer 700 is used to abut against the to-be-cooled part 800.

[0080] In the present application, by adopting the arrangement of the heat conduction layer 700, the thermal resistance between the cold plate 300 and the to-be-cooled part 800 can be reduced, thereby indirectly improving the transmission efficiency of the cold plate 300 in transmitting the heat of the to-be-cooled part 800 to the cooling liquid, and further improving the heat dissipation efficiency of the to-be-cooled part 800.

[0081] The heat conduction layer 700 comprises a phase change sheet and a metal film, the phase change sheet is arranged on the cold plate 300, and the metal film is arranged on the phase change sheet and used to abut against the to-be-cooled part 800.

[0082] In the present application, the heat of the to-be-cooled part 800 is transmitted to the cold plate 300 by adopting the combination of the phase change sheet and the metal layer, which can fully utilize the characteristics of the phase change material in absorbing a large amount of latent heat in the phase change process, effectively buffer the heat peak, and improve the heat management efficiency; at the same time, the metal layer has excellent heat conduction performance, and can quickly and uniformly transmit the heat to the cold plate 300, avoiding local overheating; such structure not only improves the heat response speed and heat dissipation capacity of the heat dissipation device, but also enhances the thermal stability and reliability.

[0083] In the present embodiment, the phase change sheet usually adopts paraffin, fatty acid or polymer-based composite phase change material (such as paraffin-graphite, PEO-PEG, etc.), which has good phase change latent heat performance in a specific temperature range; the metal layer is usually made of copper, aluminum or their alloys which have excellent heat conduction performance, or can be made of copper-plated steel plate, aluminum foil, etc., to realize efficient heat conduction and structural support.

[0084] The liquid cooling heat dissipation device further comprises an inlet pipe 140 and an outlet pipe 150, the distributor 100 is provided with a first communication groove 160 for connecting the plurality of inlet openings 110, one end of the inlet pipe 140 is communicated with the first communication groove 160, the distributor 100 is provided with a second communication groove 170 for connecting the plurality of outlet openings 120, one end of the outlet pipe 150 is communicated with the second communication groove 170.

[0085] In the present application, by adopting the arrangement of the inlet pipe 140, the first communication groove 160, the outlet pipe 150 and the second communication groove 170, the cooling liquid can be simultaneously transported into the plurality of inlet openings 110 through the inlet pipe 140 into the first communication groove 160, and the heat-exchanged cooling liquid can be simultaneously transported into the second communication groove 170 through the outlet openings 120, and then discharged through the outlet pipe 150, so that the plurality of cooling spaces 310 can be connected in parallel, thereby further improving the heat dissipation efficiency of the plurality of heat dissipation components 800.

[0086] The present application further provides an electronic device comprising a device body and the liquid cooling heat dissipation device of any one of the above-mentioned embodiments arranged on the device body.

[0087] The specific structure of the liquid cooling heat dissipation device has been described in detail in the above-mentioned embodiments, and will not be repeated here.

[0088] In the present embodiment, the electronic device is an optical module transmission device, and in other embodiments, the electronic device can also be a switch, a router or an optical fiber terminal device, etc.

[0089] The liquid cooling heat dissipation device and the electronic device provided by the present application can realize the heat dissipation of the heat dissipation component 800 by arranging the liquid cooling heat dissipation device, transporting the cooling liquid into the plurality of cooling spaces 310 through the inlet pipe 140 and the first communication groove 160, heat-exchanging the cooling liquid with the cold plate 300, discharging the heat-exchanged cooling liquid through the second communication groove 170 and the outlet pipe 150, improving the heat dissipation efficiency of the plurality of heat dissipation components 800, and preventing the heat dissipation component 800 from being damaged due to the large abutting force between the heat dissipation component 800 and the cold plate 300 when the heat dissipation component 800 is inserted and pulled out, thereby indirectly prolonging the service life of the cold plate 300 and the heat dissipation component 800.

[0090] It should be understood that many of the materials and devices exemplified in this disclosure are articles of manufacture (i.e., articles of manufacture) according to this disclosure. The articles of manufacture can be manufactured as such or can be manufactured by combining the materials and devices exemplified in this disclosure. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. It should be understood that, in some embodiments, equivalents to the specific electrode structures and / or methods described herein can be employed without departing from the scope of the application. Accordingly, the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," "containing," "involving," "characterized by," "characterized into," and variations thereof herein, is meant to encompass the items listed thereafter, and equivalents thereof as well as additional items. Although the foregoing application has been described in some detail by way of illustration and example, it is not to be limited thereby, but rather, only by the scope of the appended claims.

Claims

1. A liquid cooling device, characterized in that: include: A liquid separator (100), the liquid separator (100) being arranged in a chassis; an elastic member (200), wherein a plurality of liquid holes (210) are arranged at intervals on the elastic member (200), and the liquid distributor (100) is connected to one side of the elastic member (200); A plurality of cold plates (300) are provided, one side of the cold plate (300) is connected to the other side of the elastic member (200), and the other side of the cold plate (300) is used to abut against the heat member (800) to be cooled. A cooling space (310) is formed between each cold plate (300) and the liquid distributor (100) through the corresponding liquid passage hole (210). A liquid inlet (110) and a liquid outlet (120) are provided on the liquid distributor (100) and on both sides of each cooling space (310).

2. The liquid cooling device according to claim 1, wherein: The elastic member (200) comprises a first elastic portion (220) and a plurality of second elastic portions (230); the plurality of liquid passage holes (210) are spaced apart on the first elastic portion (220); the liquid distributor (100) is connected to the first elastic portion (220); the second elastic portion (230) is correspondingly arranged around the inner wall of the liquid passage hole (210); and the cold plate (300) is connected to the second elastic portion (230).

3. The liquid cooling device according to claim 2, characterized in that: A floating distance (231) is formed between the second elastic portion (230) and the first elastic portion (220) on the side facing the liquid dispenser (100), so that the second elastic portion (230) floats on the first elastic portion (220).

4. The liquid cooling device according to claim 2, wherein: The invention also includes a first pressing plate (400) and a plurality of first fixing members (410), wherein the first pressing plate (400) is arranged along the circumference of the liquid dispenser (100), and the first fixing members (410) are arranged on the first pressing plate (400), and the first fixing members (410) are used to fix the first elastic portion (220) between the liquid dispenser (100) and the first pressing plate (400).

5. The liquid cooling device according to claim 2, characterized in that: The invention also includes a second pressing plate (500) and a plurality of second fixing members (510), wherein the second pressing plate (500) is provided on a side of each cold plate (300) facing the liquid dispenser (100), the second pressing plate (500) is provided along the circumference of the cold plate (300), the second fixing member (510) is provided on the second pressing plate (500), and the second fixing member (510) is used to fix the second elastic portion (230) between the cold plate (300) and the second pressing plate (500).

6. The liquid cooling device according to claim 5, characterized in that: It also includes a third pressing plate (600), a sliding space (540) is formed between the second pressing plate (500) and the cold plate (300), the third pressing plate (600) is slidably arranged in the sliding space (540), and the second fixing member (510) is used to fix the second elastic part (230) between the second pressing plate (500) and the third pressing plate (600).

7. The liquid cooling device according to claim 5, characterized in that: A groove (130) is provided on the liquid distributor (100) along the circumference of the liquid distributor (100), and the groove (130) is used for allowing the second pressing plate (500) to move in or out when the cold plate (300) moves.

8. The liquid cooling device according to any one of claims 1 to 7, characterized in that: It also includes a heat-conducting layer (700), which is arranged on a side of the cold plate (300) away from the liquid dispenser (100), and is used to abut against the heat element (800) to be dissipated.

9. The liquid cooling device according to claim 8, characterized in that: The heat-conducting layer (700) comprises a phase-change sheet and a metal film, the phase-change sheet is arranged on the cold plate (300), and the metal film is arranged on the phase-change sheet.

10. An electronic device, characterized in that: It comprises a device body and a liquid cooling heat dissipation device as described in any one of claims 1 to 9, which is arranged on the device body.

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