Structure of liquid cooling radiator

Abstract

The utility model discloses a structure of a liquid cooling radiator, which enables the radiator to be reliably suitable for the assembly of electronic equipment and ensures the reliable heat dissipation of the electronic equipment. The utility model relates to a liquid cooling module, which comprises a liquid cooling upper plate and a liquid cooling lower plate, the lower surface of the liquid cooling upper plate is provided with a flow channel upper end groove, the upper surface of the liquid cooling lower plate is provided with a flow channel lower end groove, and the liquid cooling upper plate and the liquid cooling lower plate are aligned and assembled to form a flow channel, and are characterized in that the liquid cooling upper plate and the liquid cooling lower plate are made of the same metal material with high heat conductivity coefficient; the liquid cooling upper plate and the liquid cooling lower plate are provided with flow channels, the flow channels avoid penetrating connecting holes in the liquid cooling upper plate and the liquid cooling lower plate, the penetrating connecting holes are used for fixedly connecting electronic equipment and correspondingly connecting heat dissipation blocks to form reliable positioning and stable heat dissipation operation, the flow channels comprise a plurality of confluence channels and flow dividing channels, and each flow dividing channel is divided into a plurality of groups of flow dividing channels through partition plates. The flow dividing channel is a linear flow channel, and the flow converging channel comprises a linear flow channel and a bent guide flow channel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of radiator structure, specifically is a structure of liquid cooling radiator. BACKGROUND

[0002] Liquid cooling radiator is usually composed of liquid cooling plate, coolant, pump, radiator and connecting pipeline. The liquid cooling plate has corresponding flow channel design inside, and the coolant circulates in the flow channel under the driving of the pump, absorbs heat and then dissipates the heat absorbed by the coolant through external heat dissipation equipment.

[0003] The flow channel design of the liquid cooling plate of the existing liquid cooling radiator is simple, and it is all regular serpentine flow channel or U-shaped flow channel design. However, when it is actually applied to the cooling of electronic equipment, the liquid cooling radiator needs to be placed on the electronic equipment, and then the liquid cooling radiator body needs to be provided with threaded holes for connecting the corresponding electronic equipment connecting heat dissipation block, which causes the existing liquid cooling radiator to be not applicable. Therefore, there is an urgent need to develop a liquid cooling radiator that can be applied to charging equipment. INVENTION CONTENTS

[0004] In view of the above problems, the utility model provides a structure of liquid cooling radiator, which makes the radiator reliably applicable to the assembly of electronic equipment and ensures the reliable heat dissipation of the electronic equipment.

[0005] A structure of liquid cooling radiator, the technical scheme is as follows: the structure comprises a liquid cooling upper plate and a liquid cooling lower plate, the lower surface of the liquid cooling upper plate is provided with a flow channel upper end groove, and the upper surface of the liquid cooling lower plate is provided with a flow channel lower end groove; the liquid cooling upper plate and the liquid cooling lower plate are abutted and assembled to form a flow channel; the liquid cooling upper plate and the liquid cooling lower plate are made of the same kind of metal material with high thermal conductivity; the flow channel avoids a through connecting hole on the liquid cooling upper plate and the liquid cooling lower plate; the through connecting hole is used for fixedly connecting an electronic equipment connecting heat dissipation block, and forms reliable positioning and stable heat dissipation operation; the flow channel comprises a plurality of sections of flow converging channels and flow diverging channels; each section of flow diverging channel is divided into a plurality of groups of flow diverging channels by a partition plate; the flow diverging channel is a straight flow channel; and the flow converging channel comprises a straight flow channel and a bending guide flow channel.

[0006] The starting end and the terminal end of the flow channel are provided with inlet and outlet liquid holes, the inlet and outlet liquid holes are vertically penetrated through the liquid cooling upper plate in the thickness direction, and corresponding inlet and outlet water nozzles are installed on the inlet and outlet liquid holes.

[0007] Further features are as follows:

[0008] The liquid cooling upper plate and the liquid cooling lower plate are provided with front convex portions corresponding to the positions of the inlet and outlet liquid holes, and the front convex portions are only located in the regions of the inlet and outlet liquid holes, so that the manufacturing material of the liquid cooling upper plate and the liquid cooling lower plate is saved, thereby reducing the manufacturing material cost and not affecting the heat dissipation performance.

[0009] The through connecting hole comprises an upper layer hole and a lower layer hole, the upper layer hole is arranged on the liquid cooling upper plate, the lower layer hole is arranged on the liquid cooling lower plate, and the upper layer hole and the lower layer hole are assembled and positioned, so that the processing is convenient and reliable;

[0010] The liquid cooling upper plate and the liquid cooling lower plate are provided with a plurality of positioning threaded holes on the end edge on which the water inlet and outlet nozzle is mounted, the positioning threaded holes are used for reliably positioning the liquid cooling radiator, and the installation of the liquid cooling radiator is convenient and reliable;

[0011] The liquid cooling upper plate and the liquid cooling lower plate are further provided with a plurality of assembly positioning connecting holes, and an external connecting column is inserted into the corresponding assembly positioning hole, so that the liquid cooling upper plate and the liquid cooling lower plate are accurately and reliably positioned after assembly;

[0012] The water inlet and outlet nozzle comprises a bent connecting block and a straight pipe joint, the bottom of the bent connecting block is fixedly arranged at the upper position of the liquid inlet and outlet hole, a bent cavity is arranged in the bent connecting block, a bent cavity communication port is arranged on the exposed vertical surface of the bent connecting block, and the straight pipe joint is fixedly inserted into the bent cavity communication port, so that the water inlet and outlet nozzle is reliably positioned with the liquid inlet and outlet hole and is quickly assembled, and the external connecting pipeline does not occupy the height space of the equipment.

[0013] After the structure of the utility model is adopted, the cooling liquid flows into the flow channel through one of the water inlet and outlet nozzles, is uniformly distributed into a plurality of groups of branch flow channels in the corresponding branch flow channels through the flow convergence channel, and then the branch flow channels converge to the corresponding bent guide flow channels and flow into the next level of branch flow channels. The branch flow channels of the last level converge into the flow convergence channel and then flow out through the other water inlet and outlet nozzle. The branch flow channels are uniformly divided into a plurality of groups of branch flow channels through the partition plates. The partition plates increase the contact area of the cooling liquid and the liquid cooling plate and improve the heat exchange efficiency. The cooling liquid passes through the bent guide flow channels and is bent to avoid the position of the through connecting hole, so that the radiator is reliably applicable to the assembly of electronic equipment and ensures reliable heat dissipation of the electronic equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view structure schematic diagram corresponding to the embodiment of the utility model;

[0015] Figure 2 It is a bottom view of the liquid cooling upper plate of the embodiment of the utility model;

[0016] Figure 3 It is a top view of the liquid cooling lower plate of the embodiment of the utility model;

[0017] Figure 4 It is a perspective view of the water inlet and outlet nozzle of the utility model;

[0018] The names corresponding to the serial numbers in the figure are as follows:

[0019] partition plate 1, liquid inlet and outlet hole 2, first liquid inlet and outlet hole 201, second liquid inlet and outlet hole 202, front convex portion 3, positioning threaded hole 4, upper layer hole 41, lower layer hole 42, assembly positioning connecting hole 5;

[0020] liquid cooling upper plate 10, upper end groove 11 of flow channel, liquid cooling lower plate 20, lower end groove 21 of flow channel, flow channel 30, through connecting hole 40, water inlet and outlet nozzle 50, bending connecting block 51, straight pipe joint 52, bending cavity 53, shunt channel 60;

[0021] first diffusion flow channel 301, first buffer flow channel 302, first bending flow channel 303, first shunt channel 304, second bending flow channel 305, second shunt channel 306, first turning flow channel 307, third shunt channel 308, second turning flow channel 309, fourth shunt channel 310, third turning flow channel 311, fifth shunt channel 312, fourth turning flow channel 313, sixth shunt channel 314, fifth turning flow channel 315, seventh shunt channel 316, sixth turning flow channel 317, eighth shunt channel 318, third bending flow channel 319, ninth shunt channel 320, seventh turning flow channel 321, tenth shunt channel 322, eighth turning flow channel 323, eleventh shunt channel 324, ninth turning flow channel 325, twelfth shunt channel 326, tenth turning flow channel 327, thirteenth shunt channel 328, fourth bending flow channel 329, fourteenth shunt channel 330, fifth bending flow channel 331, second buffer flow channel 332, second closing flow channel 333. DETAILED DESCRIPTION

[0022] The structure of a liquid cooling radiator is shown in Figures 1-4 which comprises a liquid cooling upper plate 10 and a liquid cooling lower plate 20, the lower surface of the liquid cooling upper plate 10 is provided with an upper end groove 11 of flow channel, and the upper surface of the liquid cooling lower plate 20 is provided with a lower end groove 21 of flow channel, and the liquid cooling upper plate 10 and the liquid cooling lower plate 20 are assembled in position to form a flow channel 30.

[0023] In the specific implementation, a suitable aluminum alloy or copper alloy plate material is selected as the raw material of the liquid cooling upper plate and the liquid cooling lower plate, and the thickness and purity of the plate material are ensured to meet the design requirements.

[0024] The flow channel 30 avoids the through connecting hole 40 located on the liquid cooling upper plate 10 and the liquid cooling lower plate 20, the through connecting hole 40 is used for fixedly connecting the corresponding connecting heat dissipation block of the electronic equipment to form reliable positioning and stable heat dissipation operation, the flow channel 30 includes a plurality of flow channels and shunt channels, each shunt channel is divided into a plurality of groups of shunt channels 60 by a partition plate 1, the shunt channel is a straight flow channel, and the flow channel includes a straight flow channel and a bending guide flow channel.

[0025] In specific implementation, the starting end and the ending end of the flow channel 30 are provided with the liquid inlet and outlet holes 2, the liquid inlet and outlet holes 2 are vertically penetrated through the liquid cooling upper plate 10 in the thickness direction, and the corresponding water inlet and outlet nozzles 50 are installed on the liquid inlet and outlet holes 2;

[0026] The water inlet and outlet nozzle 50 comprises a bent connecting block 51 and a straight pipe joint 52, the bottom of the bent connecting block 51 is fixedly arranged at the upper position of the liquid inlet and outlet hole 2, a bent cavity 53 is arranged in the bent connecting block 51, the exposed vertical surface of the bent connecting block 51 is provided with a bent cavity communication port, and the straight pipe joint 52 is fixedly inserted on the bent cavity communication port, so that the water inlet and outlet nozzle 50 can be reliably aligned with the liquid inlet and outlet hole 2 and quickly assembled, and the external connecting pipeline does not occupy the height space of the equipment.

[0027] In specific implementation, the liquid cooling upper plate 10 and the liquid cooling lower plate 20 are provided with the front convex parts 3 corresponding to the positions of the liquid inlet and outlet holes 2, and the front convex parts 3 are only located in the regions of the liquid inlet and outlet holes 2, so that the manufacturing materials of the liquid cooling upper plate 10 and the liquid cooling lower plate 20 are saved, thereby reducing the manufacturing material cost and not affecting the heat dissipation performance.

[0028] In specific implementation, the penetrating connecting hole 40 comprises an upper layer hole 41 and a lower layer hole 42, the upper layer hole 41 is arranged on the liquid cooling upper plate 10, the lower layer hole 42 is arranged on the liquid cooling lower plate 20, and the upper layer hole 41 and the lower layer hole 42 are assembled and aligned, which ensures convenient and reliable processing and manufacturing.

[0029] In specific implementation, the liquid cooling upper plate 10 and the liquid cooling lower plate 20 are provided with a plurality of positioning threaded holes 4 on the edges where the water inlet and outlet nozzles 50 are installed, the positioning threaded holes 4 are used for reliably positioning the liquid cooling radiator, and ensure convenient and reliable installation of the liquid cooling radiator.

[0030] In a specific embodiment, the two liquid inlet and outlet holes 2 are a first liquid inlet and outlet hole 201 and a second liquid inlet and outlet hole 202. The first liquid inlet and outlet hole 201 is connected to a first buffer flow channel 302 through a first diffusion flow channel 301. The first buffer flow channel 302 is connected to a first branch flow channel 304 through a first bending flow channel 303. The first branch flow channel 304 is connected to a second branch flow channel 306 through a second bending flow channel 305. The second branch flow channel 306 is connected to a third branch flow channel 308 through a first turning flow channel 307. The third branch flow channel 308 is connected to a fourth branch flow channel 310 through a second turning flow channel 309. The fourth branch flow channel 310 is connected to a fifth branch flow channel 312 through a third turning flow channel 311. The fifth branch flow channel 312 is connected to a sixth branch flow channel 314 through a fourth turning flow channel 313. The sixth branch flow channel 314 is connected to a seventh branch flow channel 316 through a fifth turning flow channel 315. The seventh branch flow channel 316 is connected to an eighth branch flow channel 318 through a sixth turning flow channel 317. The eighth branch flow channel 318 is connected to a ninth branch flow channel 320 through a third bending flow channel 319. The ninth branch flow channel 320 is connected to a tenth branch flow channel 322 through a seventh turning flow channel 321. The tenth branch flow channel 322 is connected to an eleventh branch flow channel 324 through an eighth turning flow channel 323. The eleventh branch flow channel 324 is connected to a twelfth branch flow channel 326 through a ninth turning flow channel 325. The twelfth branch flow channel 326 is connected to a thirteenth branch flow channel 328 through a tenth turning flow channel 327. The thirteenth branch flow channel 328 is connected to a fourteenth branch flow channel 330 through a fourth bending flow channel 329. The fourteenth branch flow channel 330 is connected to a second buffer flow channel 332 through a fifth bending flow channel 331. The second buffer flow channel 332 is connected to the second liquid inlet and outlet hole 202 through a second closing flow channel 333.

[0031] In a specific embodiment, the liquid cooling upper plate 10 and the liquid cooling lower plate 20 are also provided with a plurality of assembly positioning connection holes 5. External connecting columns (not shown in the figure, used for reliable positioning) are inserted into the corresponding assembly positioning holes 5, ensuring that the liquid cooling upper plate 10 and the liquid cooling lower plate 20 are accurately and reliably positioned after assembly. The positions of the positioning connection holes 5 avoid the flow channel 30 area.

[0032] In a specific embodiment, the surface of the liquid cooling upper plate 10 or the liquid cooling lower plate 20 that contacts the heat-emitting electronic device is subjected to grinding and polishing treatment, with a surface roughness of 1.6 or less, reducing the contact thermal resistance between the liquid cooling plate and the heat-emitting electronic device. A layer of high-thermal-conductivity metal coating, such as a silver coating or a nano-carbon coating, can also be plated on the corresponding contact surface of the liquid cooling upper plate 10 or the liquid cooling lower plate 20, further improving the heat transfer efficiency.

[0033] After the structure of the utility model is used, the cooling liquid flows into the flow channel from one of the water inlet and outlet nozzles, then the cooling liquid is evenly distributed into the multiple groups of shunt channels in the corresponding shunt channels through the confluence channel, then the shunt channels converge to the corresponding bending guide flow channels and flow into the next stage of shunt channels, the last stage of shunt channels converges into the confluence channel and then flows out through another water inlet and outlet nozzle, wherein the shunt channels are evenly separated into multiple groups of shunt channels through the partition plates, the partition plates can increase the contact area of the cooling liquid and the liquid cooling plate and improve the heat exchange efficiency, and the bending guide flow channels are bent to avoid the position of the through connecting hole, so that the radiator can be reliably applied to the assembly of electronic equipment and ensure the reliable heat dissipation of the electronic equipment.

[0034] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

[0035] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A structure of a liquid cooling radiator, comprising a liquid cooling upper plate and a liquid cooling lower plate, a lower surface of the liquid cooling upper plate is provided with a flow channel upper end groove, and an upper surface of the liquid cooling lower plate is provided with a flow channel lower end groove, the liquid cooling upper plate and the liquid cooling lower plate are assembled in position to form a flow channel, characterized in that: The liquid cooling upper plate and the liquid cooling lower plate are made of the same metal material with high thermal conductivity, the flow channel avoids the through connecting hole on the liquid cooling upper plate and the liquid cooling lower plate, the through connecting hole is used for fixedly connecting the corresponding connecting heat dissipation block of the electronic device, and reliable positioning and stable heat dissipation operation are formed, the flow channel includes a plurality of converging channels and diverging channels, each diverging channel is divided into a plurality of groups of diverging channels by a partition plate, the diverging channel is a straight flow channel, and the converging channel includes a straight flow channel and a bending guide flow channel; The starting end and the ending end of the flow channel are provided with liquid inlet and outlet holes, the liquid inlet and outlet holes are vertically penetrated through the liquid cooling upper plate in the thickness direction, and corresponding water inlet and outlet nozzles are mounted on the liquid inlet and outlet holes.

2. The structure of a liquid cooling radiator according to claim 1, characterized in that: The liquid cooling upper plate and the liquid cooling lower plate are provided with front convex parts corresponding to the positions of the liquid inlet and outlet holes, and the front convex parts are located only in the liquid inlet and outlet hole areas.

3. The structure of a liquid cooling radiator according to claim 1, characterized in that: The through connecting hole includes an upper hole and a lower hole, the upper hole is arranged on the liquid cooling upper plate, and the lower hole is arranged on the liquid cooling lower plate.

4. The structure of a liquid cooling radiator according to claim 1, characterized in that: A plurality of positioning screw holes are arranged on the end edges of the liquid cooling upper plate and the liquid cooling lower plate except for the end edges on which the water inlet and outlet nozzles are mounted.

5. The structure of a liquid cooling radiator according to claim 1, characterized in that: The liquid cooling upper plate and the liquid cooling lower plate are further provided with a plurality of assembly positioning connecting holes.

6. The structure of a liquid cooling radiator according to claim 1, characterized in that: The water inlet and outlet nozzles include a bending connecting block and a straight pipe joint, the bottom of the bending connecting block is fixedly arranged at the upper position of the liquid inlet and outlet holes, a bending cavity is arranged in the bending connecting block, a bending cavity communication port is arranged on the exposed vertical surface of the bending connecting block, and the straight pipe joint is fixedly inserted into the bending cavity communication port.

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