Double-cold-plate liquid cooling heat dissipation system

Abstract

The invention relates to a double-cold-plate liquid cooling heat dissipation system, which comprises a first cold plate structure, a second cold plate structure and a water feeding and discharging structure, and is characterized in that the first cold plate structure is internally provided with a first water conveying flow channel and comprises a first main heat dissipation part and a first auxiliary heat dissipation part; the first main heat dissipation part is provided with a heat exchange cavity communicated with the first water conveying flow channel and fins arranged in the heat exchange cavity, and the first auxiliary heat dissipation part is annularly arranged on the periphery of the first main heat dissipation part; the second cold plate structure corresponds to the first cold plate structure and is internally provided with a second water conveying runner; the water inlet and outlet structure communicates with the first water conveying runner and the second water conveying runner. Therefore, the overall heat dissipation efficiency can be improved, and assembly is easy.

Description

Technical Field

[0001] The present application relates to the technical field of a heat dissipation system, and in particular to a double cold plate liquid cooling heat dissipation system. Background Art

[0002] The existing liquid cooling heat dissipation system is mainly composed of a water cooling head attached to the heat source, a water tank that provides water cooling liquid to the water cooling head, and a pump that drives the water cooling liquid to flow. The water cooling liquid is connected to each other through pipes, so that the water cooling liquid can circulate in the above-mentioned components, thereby taking away the heat absorbed by the water cooling head. Furthermore, heat dissipation components such as water cooling radiators can be connected in series to help accelerate the cooling of the heated water cooling liquid, so that it can be quickly recycled and reused.

[0003] However, although the existing liquid cooling heat dissipation system has heat dissipation efficiency, it has the following problems to be solved in actual use: due to the limitation of space, its heat dissipation efficiency cannot meet the staged use requirements. In addition, due to the connection through pipes, the liquid cooling heat dissipation system will be relatively scattered on each component and inconvenient to install. Summary of the invention

[0004] The purpose of the present application is to provide a double cold plate liquid cooling system, which can not only improve the overall heat dissipation performance but also is easy to assemble.

[0005] In order to achieve the above-mentioned purpose, the present application provides a double cold plate liquid cooling heat dissipation system, including a first cold plate structure, a second cold plate structure and an inlet and outlet structure, the first cold plate structure has a first water supply channel inside, and the first cold plate structure includes a first main heat dissipation part and a plurality of first auxiliary heat dissipation parts, the first main heat dissipation part has a heat exchange chamber connected to the first water supply channel and a plurality of fins are arranged in the heat exchange chamber, and each of the first auxiliary heat dissipation parts is arranged around the outer periphery of the first main heat dissipation part; the second cold plate structure is configured corresponding to the first cold plate structure, and the second cold plate structure has a second water supply channel inside; the inlet and outlet structure connects the first water supply channel and the second water supply channel.

[0006] Further preferably, the first cold plate structure includes a base plate and a cover, the base plate includes a lower T-shaped portion and a cross-shaped portion extending from the lower T-shaped portion, the cross-shaped portion is provided with a lower receiving groove, the cover includes an upper T-shaped portion and an I-shaped portion extending from the upper T-shaped portion, the I-shaped portion is provided with an upper receiving groove, wherein the lower receiving groove and the upper receiving groove together constitute the heat exchange chamber.

[0007] Further preferably, a plurality of heat conducting plates extend from the area around the lower receiving groove of the cross-shaped portion, and each of the heat conducting plates constitutes each of the first auxiliary heat dissipating portions.

[0008] Further preferably, the upper T-shaped portion is welded and sealed corresponding to the lower T-shaped portion, and the I-shaped portion is welded and sealed corresponding to the cross-shaped portion.

[0009] Further preferably, the upper T-shaped portion is provided with a dividing strip to separate a water inlet channel and a water outlet channel, and the water inlet channel and the water outlet channel together constitute the first water delivery channel.

[0010] Further preferably, the first cold plate structure further comprises two water nozzles, a water inlet hole is formed at the end of the water inlet channel, a drainage hole is formed at the end of the drainage channel, and each of the water nozzles is connected to the water inlet hole and the drainage hole, respectively.

[0011] Further preferably, the first cold plate structure also includes a plurality of leak-proof rings, the water inlet and outlet structure includes a block, the block is provided with a channel and a receiving hole connected to the channel, each of the water nozzles is provided with a plurality of grooves, and each of the leak-proof rings is installed in each of the grooves and clamped between the water nozzle and the receiving hole.

[0012] Further preferably, a support column is connected to each corner end of the I-shaped portion, and the second cold plate structure is connected to a plurality of studs, each of which is configured corresponding to each support column to allow a bolt to pass through and lock it.

[0013] Further preferably, the water inlet and outlet structure includes a block and two water joints, the block is provided with a channel and a plurality of receiving holes connected to the channel, and each of the water joints is respectively connected to each of the receiving holes.

[0014] Further preferably, it also includes a liquid-cooled radiator structure and a connecting pipe assembly, the liquid-cooled radiator structure has a water inlet and a water outlet, the connecting pipe assembly includes a first tube body and a second tube body, the two ends of the first tube body are respectively connected to the water inlet and one of the water joints, and the two ends of the second tube body are respectively connected to the water outlet and the other water joint.

[0015] Further preferably, it further comprises a display card module, wherein the display card module is clamped between the first cold plate structure and the second cold plate structure.

[0016] Further preferably, the display card module includes a circuit board and a graphics processor and a plurality of memories arranged on the circuit board, the main heat dissipation portion is attached to the graphics processor, and each of the first auxiliary heat dissipation portions is attached to each of the memories.

[0017] Further preferably, it further includes a plurality of thermal conductive pads, each of which is clamped between the main heat dissipation part and the graphics processor, and between each of the first auxiliary heat dissipation parts and each of the memories.

[0018] The present application also has the following effects: by welding the bottom plate and the cover together, various adverse conditions such as water seepage or leakage can be effectively solved. The main heat source is conducted away from the heat exchange chamber, and the secondary heat source is conducted away from the heat exchange chamber by each heat conduction plate, so that efficient heat dissipation can be achieved. By connecting the second cold plate structure with the first cold plate structure, the heat dissipation requirements to be solved by the first cold plate structure can be shared. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of a dual cold plate liquid cooling system.

[0020] Figure 1 This is a schematic diagram of the dual cold plate liquid cooling system combination of the present application.

[0021] Figure 2 It is a schematic diagram of the combination of the first and second cold plate structures and the water inlet and outlet structure of the present application.

[0022] Figure 3 This is an exploded view of the first and second cold plate structures, water inlet and outlet structure and display card module of the present application.

[0023] Figure 4 This is the first cold plate structure exploded view of the present application.

[0024] Figure 5 This is a cross-sectional view of the first cold plate structure combination of the present application.

[0025] Figure 6 It is a combined cross-sectional view of the first cold plate structure of the present application in another direction.

[0026] Figure 7 This is a combined cross-sectional view of the first and second cold plate structures, the water inlet and outlet structure, and the display card module of the present application.

[0027] Description of Figure Numbers:

[0028] 10: first cold plate structure, 11: bottom plate, 111: lower T-shaped portion, 112: convex strip, 116: cross-shaped portion, 117: lower groove, 118: fin, 119: heat conduction plate, 12: cover, 121: upper T-shaped portion, 122: water inlet channel, 123: drainage channel, 124: water inlet hole, 125: drainage hole, 126: I-shaped portion, 127: upper groove, 128: partition bar, 129: support column, 13: faucet, 131: groove, 14: leak-proof ring, 20: second cold plate structure, 21: stud, 22: bolt, 30: water inlet and outlet structure, 31: block, 311: channel, 312: receiving hole, 32: water joint, 40: liquid cooling heat sink structure, 41: water inlet hole, 42: water outlet hole, 50: connecting pipe assembly, 51: first tube body, 52: second tube body, 60: fan structure, 70: display card module, 71: circuit board, 72: graphics processor, 73: memory, 80: thermal pad, A: first water supply channel, B: heat exchange chamber, C: main heat dissipation part, D: first auxiliary heat dissipation part, E: second water supply channel. DETAILED DESCRIPTION

[0029] In the description of the present invention, it should be understood that the terms "front", "rear", "left side", "right side", "front end", "rear end", "end", "longitudinal", "lateral", "vertical", "top", "bottom", etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] As used herein, terms such as "first," "second," "third," "fourth," and "fifth" describe various elements, components, regions, levels, and / or portions, which should not be limited by these terms. These terms may only be used to distinguish one element, component, region, level, or portion from another. Unless the context clearly indicates otherwise, terms such as "first," "second," "third," "fourth," and "fifth" as used herein do not imply a sequence or order.

[0031] The detailed description and technical contents of the present application are described below with reference to the accompanying drawings. However, the drawings are only provided for reference and explanation and are not intended to limit the present application.

[0032] See also Figures 1 to 7 As shown, the present application provides a dual cold plate liquid cooling system, which mainly includes a first cold plate structure 10 , a second cold plate structure 20 and a water inlet and outlet structure 30 .

[0033] Please read first Figures 4 to 6 As shown, the first cold plate structure 10 mainly includes a bottom plate 11 and a cover 12. The bottom plate 11 and the cover 12 are made of materials with good thermal conductivity such as copper, aluminum, magnesium or their alloys. The bottom plate 11 mainly includes a lower T-shaped portion 111 and a cross-shaped portion 116 extending from the lower T-shaped portion 111. A convex strip 112 is provided at a position of the lower T-shaped portion 111 adjacent to the cross-shaped portion 116. A lower receiving groove 117 is provided in the middle area of ​​the cross-shaped portion 116, and a plurality of fins 118 are provided inside the lower receiving groove 117; and a plurality of heat conducting plates 119 extend downward from the area outside the lower receiving groove 117 of the cross-shaped portion 116.

[0034] The cover 12 is arranged to correspond to the bottom plate 11, and the cover 12 mainly includes an upper T-shaped portion 121 and an I-shaped portion 126 extending from the upper T-shaped portion 121. The upper T-shaped portion 121 is provided with a water inlet channel 122 and a water outlet channel 123, and a water inlet hole 124 is formed at the end of the water inlet channel 122, and a water outlet hole 125 is formed at the end of the water outlet channel 123; wherein the water inlet channel 122 and the water outlet channel 123 of the cover 12 together constitute a first water delivery channel A of the first cold plate structure 10. An upper receiving groove 127 is provided in the middle area of ​​the I-shaped portion 126, and a dividing bar 128 is provided inside the upper receiving groove 127, and the dividing bar 128 extends to the upper T-shaped portion 121 and separates the aforementioned water inlet channel 122 and the water outlet channel 123. The lower groove 117 of the bottom plate 11 and the upper groove 127 of the cover 12 together constitute a heat exchange chamber B of the first cold plate structure 10. The heat exchange chamber B and the fins 118 together constitute a main heat dissipation portion C of the first cold plate structure 10. A support column 129 is connected to each corner end of the I-shaped portion 126.

[0035] The upper T-shaped portion 121 of the cover 12 is welded and sealed to the lower T-shaped portion 111 of the bottom plate 11 ; the I-shaped portion 126 of the cover 12 is welded and sealed to the cross-shaped portion 116 of the bottom plate 11 .

[0036] The heat conducting plates 119 of the bottom plate 11 respectively constitute first auxiliary heat dissipating parts D of the first cold plate structure 10 .

[0037] In one embodiment, the first cold plate structure 10 further includes two water nozzles 13 , each of which is connected to the aforementioned water inlet hole 124 and the water outlet hole 125 .

[0038] Please continue reading Figures 1 to 3As shown, the second cold plate structure 20 is configured corresponding to the aforementioned first cold plate structure 10. The structure of the second cold plate structure 20 of this embodiment is the same as the aforementioned first cold plate structure 10, but is not limited to this type. The second cold plate structure 20 has a second water supply channel E inside and is connected to a plurality of studs 21 on the outside. Each stud 21 is configured corresponding to the aforementioned support column 129, so that a bolt 22 passes through the support column 129 and is locked in the stud 21.

[0039] Please also read Figure 7 As shown, the water inlet and outlet structure 30 mainly includes a block 31 and two water joints 32. The block 31 is provided with a channel 311 and a plurality of receiving holes 312 connected to the channel 311. Each water nozzle 13 is provided with a plurality of grooves 131. Each groove 131 is provided with a leakproof ring 14, and each leakproof ring 14 is clamped between the water nozzle 13 and a part of the receiving hole 312. The water joints 32 are respectively connected to another part of the receiving hole 312.

[0040] The first cold plate structure 10 and the second cold plate structure 20 are fixed on one side of the block 31 , and the water nozzles 13 are plugged in through the receiving holes 312 , so as to connect the first water delivery channel A and the second water delivery channel E mentioned above.

[0041] Please refer to Figure 1 As shown, in one embodiment, the dual cold plate liquid cooling heat dissipation system of the present application also includes a liquid cooling heat sink structure 40 and a connecting pipe assembly 50, the liquid cooling heat sink structure 40 has a water inlet hole 41 and a water outlet hole 42, the connecting pipe assembly 50 includes a first tube body 51 and a second tube body 52, the two ends of the first tube body 51 are respectively connected to the water inlet hole 41 and the aforementioned one water joint 32, and the two ends of the second tube body 52 are respectively connected to the water outlet hole 42 and the aforementioned other water joint 32.

[0042] In one embodiment, the dual cold plate liquid cooling system of the present application further includes a fan structure 60, which is disposed on a side of the liquid cooling radiator structure 40 to blow forced airflow to the liquid cooling radiator structure 40 to dissipate heat.

[0043] In one embodiment, the dual cold plate liquid cooling system of the present application further includes a graphics card module 70, which is clamped between the aforementioned first cold plate structure 10 and the second cold plate structure 20. The graphics card module 70 mainly includes a circuit board 71, a graphics processor 72 (GPU) and a plurality of memories 73, wherein the aforementioned main heat dissipation portion C is attached to the graphics processor 72 to achieve heat dissipation, and each first auxiliary heat dissipation portion D is attached to each memory 73 to achieve heat dissipation.

[0044] Please refer to Figure 3 and Figure 7As shown, the dual cold plate liquid cooling system of the present application further includes a plurality of thermal pads 80 , each thermal pad 80 being clamped between the main heat dissipation portion C and the graphics processor 72 , and between each first auxiliary heat dissipation portion D and each memory 73 .

[0045] When in use, water is introduced from the first tube body 51 into the channel 311 of the water inlet and outlet structure 30 through the water pump of the liquid-cooled radiator structure 40. At this time, a part of the water will enter the first water supply channel A of the first cold plate structure 10 from the water nozzle 13, and flow through the water inlet channel 122 in sequence to the heat exchange chamber B. After a sufficient heat exchange process between the water and each fin 118, it will flow out from the water outlet channel 123 and flow into the liquid-cooled radiator structure 40 from the second tube body 52. ​​The other part of the water will enter the second water supply channel E of the second cold plate structure 20 from the water nozzle 13. After a sufficient heat exchange process, it will flow into the liquid-cooled radiator structure 40 from the second tube body 52, thereby forming a continuous and circulating heat dissipation system.

[0046] The above is only a preferred embodiment of the present application, and is not intended to limit the patent scope of the present application. Other equivalent changes that apply the patent spirit of the present application should all fall within the patent scope of the present application. In addition, the present application may also have other unlisted embodiments. Without departing from the spirit and essence of the present invention, a person skilled in the art should be able to evolve various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the protection scope of the patent applied for by the present application.

Claims

1. A double cold plate liquid cooling system, characterized in that: include: A first cold plate structure having a first water supply channel therein, the first cold plate structure comprising a first main heat sink and a plurality of first auxiliary heat sinks, the first main heat sink having a heat exchange chamber connected to the first water supply channel and a plurality of fins disposed in the heat exchange chamber, each of the first auxiliary heat sinks being disposed around the outer periphery of the first main heat sink; A second cold plate structure, configured corresponding to the first cold plate structure, and having a second water delivery channel inside the second cold plate structure; as well as An inlet and outlet structure is connected with the first water delivery channel and the second water delivery channel.

2. The double cold plate liquid cooling system according to claim 1, characterized in that: The first cold plate structure includes a base plate and a cover, the base plate includes a lower T-shaped portion and a cross-shaped portion extending from the lower T-shaped portion, and a lower receiving groove is provided in the cross-shaped portion, the cover includes an upper T-shaped portion and an I-shaped portion extending from the upper T-shaped portion, and an upper receiving groove is provided in the I-shaped portion, wherein the lower receiving groove and the upper receiving groove together constitute the heat exchange chamber.

3. The double cold plate liquid cooling system according to claim 2, characterized in that: A plurality of heat conducting plates extend from the area around the lower receiving groove of the cross-shaped portion, and each of the heat conducting plates constitutes each of the first auxiliary heat dissipating portions.

4. The double cold plate liquid cooling system according to claim 2, characterized in that: The upper T-shaped portion is welded and sealed corresponding to the lower T-shaped portion, and the I-shaped portion is welded and sealed corresponding to the cross-shaped portion.

5. The double cold plate liquid cooling system according to claim 2, characterized in that: The upper T-shaped portion is provided with a dividing strip to separate a water inlet channel and a water outlet channel, and the water inlet channel and the water outlet channel together constitute the first water delivery channel.

6. The double cold plate liquid cooling system according to claim 5, characterized in that: The first cold plate structure further includes two water nozzles. A water inlet hole is formed at the end of the water inlet channel, and a drainage hole is formed at the end of the drainage channel. Each of the water nozzles is connected to the water inlet hole and the drainage hole respectively.

7. The double cold plate liquid cooling system according to claim 6, characterized in that: The first cold plate structure also includes a plurality of leak-proof rings, the water inlet and outlet structure includes a block, the block is provided with a channel and a receiving hole connected to the channel, each of the water nozzles is provided with a plurality of grooves, and each of the leak-proof rings is installed in each of the grooves and clamped between the water nozzle and the receiving hole.

8. The double cold plate liquid cooling system according to claim 2, characterized in that: A support column is connected to each corner end of the I-shaped portion, and a plurality of studs are connected to the second cold plate structure. Each stud is configured corresponding to each support column to allow a bolt to penetrate and lock.

9. The double cold plate liquid cooling system according to claim 1, characterized in that: The water inlet and outlet structure includes a block and two water joints. The block is provided with a channel and a plurality of receiving holes connected to the channel. Each of the water joints is respectively connected to each of the receiving holes.

10. The double cold plate liquid cooling system according to claim 9, characterized in that: It also includes a liquid-cooled radiator structure and a connecting pipe assembly. The liquid-cooled radiator structure has a water inlet and a water outlet. The connecting pipe assembly includes a first tube body and a second tube body. The two ends of the first tube body are respectively connected to the water inlet and one of the water joints, and the two ends of the second tube body are respectively connected to the water outlet and the other water joint.

11. The double cold plate liquid cooling system according to claim 1, characterized in that: The device also includes a display card module, which is clamped between the first cold plate structure and the second cold plate structure.

12. The double cold plate liquid cooling system according to claim 11, characterized in that: The display card module includes a circuit board, a graphics processor and a plurality of memories arranged on the circuit board, the main heat dissipation part is attached to the graphics processor, and each of the first auxiliary heat dissipation parts is attached to each of the memories.

13. The double cold plate liquid cooling system according to claim 12, characterized in that: The invention also includes a plurality of heat-conducting pads, each of which is clamped between the main heat-dissipating part and the graphics processor, and between each of the first auxiliary heat-dissipating parts and each of the memories.

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