Closed-loop type double-water-cooling-row heat dissipation device

Abstract

The utility model provides a closed-loop type double-water-cooling-row heat dissipation device, which comprises a liquid cooling head, a first liquid cooling row, a second liquid cooling row and a fan, the liquid cooling head is provided with a hot port and a cold port, the first liquid cooling row is provided with a first liquid inlet and a first liquid outlet, the hot port is communicated with the first liquid inlet, the second liquid cooling row is arranged between the liquid cooling head and the first liquid cooling row, and the fan is arranged between the first liquid cooling row and the second liquid cooling row. The volume of the second liquid cooling row is smaller than that of the first liquid cooling row, the second liquid cooling row is provided with a second liquid inlet and a second liquid outlet, the first liquid outlet is communicated with the second liquid inlet, the second liquid outlet is communicated with the cold port, the fan corresponds to the first liquid cooling row and cools and dissipates heat of the first liquid cooling row, and the first liquid cooling row is located between the fan and the second liquid cooling row; therefore, the heat dissipation efficiency of the server can be further improved under the existing space size of the server.

Description

TECHNICAL FIELD

[0001] The utility model relates to server field, especially a closed loop type double water cooling row heat dissipation device capable of further improving server heat dissipation efficiency under existing space size. BACKGROUND

[0002] No matter school, company enterprise or government unit etc., most will adopt cabinet to install multiple servers for daily operation and use, and in order to ensure that each server can stably and normally operate in the working temperature range, how to efficiently cool the cabinet interior is a very important problem, therefore, the current general existing cabinet heat dissipation mode for internal server mainly includes air cooling type and liquid cooling type. The air cooling type is to take away the heat generated by the server by the airflow generated when the fan operates to dissipate heat. The liquid cooling type is to directly attach the liquid cooling head to the server heat source, and to push the cooling liquid to the liquid cooling row by the pump to dissipate heat.

[0003] However, with the gradual improvement of server performance, the heat generated by each electronic component on the server is also greatly improved, so that the existing air cooling or liquid cooling cannot meet the heat dissipation requirement, and since the size of the server has a fixed specification, the size of the fan, liquid cooling head or liquid cooling row cannot be increased to improve the heat dissipation effect. Therefore, how to design a closed loop type double water cooling row heat dissipation device capable of further improving the heat dissipation efficiency of the server under the existing space size of the server is an urgent problem to be solved. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a closed loop type double water cooling row heat dissipation device capable of further improving the heat dissipation efficiency of the server under the existing space size of the server.

[0005] In order to achieve the above purpose, the utility model provides a closed loop type double water cooling row heat dissipation device, which comprises a liquid cooling head, a first liquid cooling row, a second liquid cooling row and a fan, the liquid cooling head has a hot port and a cold port, the first liquid cooling row has a first liquid inlet and a first liquid outlet, the hot port is communicated with the first liquid inlet, the second liquid cooling row is arranged between the liquid cooling head and the first liquid cooling row, the volume of the second liquid cooling row is smaller than that of the first liquid cooling row, the second liquid cooling row has a second liquid inlet and a second liquid outlet, the first liquid outlet is communicated with the second liquid inlet, the second liquid outlet is communicated with the cold port, the fan is arranged corresponding to the first liquid cooling row and cools the first liquid cooling row, and the first liquid cooling row is located between the fan and the second liquid cooling row.

[0006] In an embodiment of the utility model, still include a first infusion pipe, a second infusion pipe and a third infusion pipe, the first infusion pipe is connected between the hot port and the first liquid inlet, the second infusion pipe is connected between the first liquid outlet and the second liquid inlet, the third infusion pipe is connected between the second liquid outlet and the cold port.

[0007] In an embodiment of the utility model, the second liquid cooling row is located between the first infusion pipe, the second infusion pipe, the third infusion pipe and the first liquid cooling row.

[0008] In an embodiment of the utility model, still include a humidity detection component, and the humidity detection component is arranged at one of the connecting places of the first infusion pipe, the second infusion pipe or the third infusion pipe and can detect the humidity change of the connecting place.

[0009] In an embodiment of the utility model, the humidity detection component includes a sealed box and a humidity sensor, the sealed box is arranged at the connecting place, and the humidity sensor is accommodated in the sealed box and can detect the humidity change in the sealed box.

[0010] In an embodiment of the utility model, the sealed box includes a first cover and a second cover, and the first cover is connected to the second cover in a clamping, buckling or locking manner.

[0011] In an embodiment of the utility model, the first liquid cooling row includes a first liquid inlet tank, a plurality of first heat dissipation pipes and a first liquid outlet tank, each first heat dissipation pipe is connected between the first liquid inlet tank and the first liquid outlet tank, the first liquid inlet tank has a first liquid inlet, and the first liquid outlet tank has a first liquid outlet, the second liquid cooling row includes a second liquid inlet tank, a plurality of second heat dissipation pipes and a second liquid outlet tank, each second heat dissipation pipe is connected between the second liquid inlet tank and the second liquid outlet tank, the second liquid inlet tank has a second liquid inlet, and the second liquid outlet tank has a second liquid outlet.

[0012] In an embodiment of the utility model, the volume of each first heat dissipation pipe is greater than the volume of each second heat dissipation pipe.

[0013] In an embodiment of the utility model, the liquid cooling head includes an upper cover, a partition plate and a bottom plate, the partition plate is arranged between the upper cover and the bottom plate and divides the interior of the liquid cooling head into a liquid inlet chamber and a liquid outlet chamber, the liquid inlet chamber communicates with the cold port, and the liquid outlet chamber communicates with the hot port.

[0014] In an embodiment of the utility model, the upper cover has a plurality of heat dissipation fins, and each heat dissipation fin is integrally formed on both sides of the upper cover.

[0015] The closed-loop dual-water-cooling radiator device of the present invention effectively dissipates initial heat from the coolant flowing out of the hot port of the liquid-cooling head through a larger first liquid-cooling radiator in conjunction with a fan, and then dissipates heat a second time through the second liquid-cooling radiator, effectively improving the heat dissipation efficiency. Moreover, since the second liquid-cooling radiator is arranged between the liquid-cooling head and the first liquid-cooling radiator, and the first liquid-cooling radiator is located between the fan and the second liquid-cooling radiator, the heat dissipation efficiency of the server can be further improved within the existing space of the server without changing the server's size. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a top view of the utility model installed on a server;

[0017] Figure 2 This is a three-dimensional appearance diagram of the utility model;

[0018] Figure 3 This is a three-dimensional exploded view of the utility model;

[0019] Figure 4 This is a three-dimensional exploded view of the first liquid cooling radiator, the first liquid infusion pipe, and the humidity detection assembly of the present invention;

[0020] Figure 5 This is a three-dimensional exploded view of the first liquid cooling radiator, the second liquid infusion pipe, the third liquid infusion pipe and the humidity detection assembly of the present invention;

[0021] Figure 6 This is a three-dimensional exploded view of the liquid cooling head of the utility model;

[0022] Figure 7 It is a cross-sectional top view of the utility model;

[0023] Figure 8 It is a three-dimensional schematic diagram of the bottom plate in the embodiment of the present utility model.

[0024] In the picture:

[0025] 10: liquid cooling head; 101: hot port; 102: cold port; 103: liquid inlet chamber; 104: liquid outlet chamber; 11: upper cover; 111: heat dissipation fin; 12: partition plate; 13: bottom plate; 14: pump; 20: first liquid cooling row; 201: first liquid inlet; 202: first liquid outlet; 21: first liquid inlet tank; 22: first heat dissipation pipeline; 221: first pipe body; 222: first heat dissipation fin group; 23: first liquid outlet tank; 30: second liquid cooling row; 301: second liquid inlet; 302: second liquid outlet; 31: second liquid inlet tank; 32: second heat dissipation pipeline; 321: second pipe body; 322: second heat dissipation fin group; 33: second liquid outlet tank; 40: fan; 51: first liquid conveying pipe; 52: second liquid conveying pipe; 53: third liquid conveying pipe; 60: humidity detection assembly; 61: sealing box; 611: first cover body; 612: second cover body; 62: humidity sensor; A: server; A1: heat source. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model. In the description of the utility model, it is understood that the terms 'front side','rear side', 'left side', 'right side', 'front end','rear end', 'end', 'longitudinal', 'transverse','vertical', 'top', 'bottom' and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, configuration and operation, so it should not be understood as a limitation condition of the utility model.

[0027] As used herein, terms such as "first", "second", "third", "fourth" and "fifth" describe various elements, components, regions, levels, or portions, which should not be limited by these terms. These terms can only be used to distinguish one element, component, region, level, or portion from another. Unless the context clearly indicates otherwise, the terms "first", "second", "third", "fourth", and "fifth" used herein do not imply order or sequence.

[0028] The utility model provides a closed loop type double water cooling row heat abstractor, which is installed on a server A and used for heat dissipation of at least one heat source A1 on the server A. In the embodiment, the number of the heat source A1 and the closed loop type double water cooling row heat abstractor is two, but the utility model is not limited to this, the number of the heat source A1 can be changed according to the type and size of the server A, and the number of the closed loop type double water cooling row heat abstractor can be determined according to the number of the heat source A1 required to be cooled. In order to facilitate description, only one heat source A1 and one closed loop type double water cooling row heat abstractor are described below, but this does not limit the number of the heat source A1 and the closed loop type double water cooling row heat abstractor of the utility model. Please refer to Figures 1 to 3 The closed loop type double water cooling row heat abstractor of the utility model mainly comprises a liquid cooling head 10, a first liquid cooling row 20, a second liquid cooling row 30 and at least one fan 40.

[0029] Please refer to Figure 1 The liquid cooling head 10 is attached to the heat source A1 of the server A, so that the heat energy generated by the heat source A1 can be absorbed and transferred to the cooling liquid (not shown) in the liquid cooling head 10. Please refer to Figure 2 、 Figure 3 、 Figure 6 and Figure 8 The liquid cooling head 10 has a hot port 101 and a cold port 102. The hot port 101 is used for the cooling liquid after absorbing heat energy to leave the liquid cooling head 10, and the cold port 102 is used for the cooling liquid after heat dissipation to re-enter the liquid cooling head 10. The liquid cooling head 10 mainly comprises an upper cover 11, a partition plate 12 and a bottom plate 13. The partition plate 12 is arranged between the upper cover 11 and the bottom plate 13, so that the inside of the liquid cooling head 10 is divided into an inlet chamber 103 and an outlet chamber 104. The inlet chamber 103 is communicated with the cold port 102, and the outlet chamber 104 is communicated with the hot port 101. The bottom plate 13 is attached to the heat source A1 to absorb the heat generated by the heat source A1 and conduct to the cooling liquid in the inlet chamber 103. The upper cover 11 has a plurality of heat dissipation fins 111, each heat dissipation fin 111 is integrally formed on both sides of the upper cover 11, so that the liquid cooling head 10 is effectively cooled to prevent the temperature from being too high. In the embodiment, the inside of the liquid cooling head 10 is provided with a pump 14 to drive the cooling liquid to flow, so that the cooling liquid in the inlet chamber 103 is driven to the outlet chamber 104, but the utility model is not limited to this, for example, the pump 14 can be externally connected to the outside of the liquid cooling head 10.

[0030] Please refer to Figures 2 to 4As shown, the first liquid cooling row 20 has a first liquid inlet 201 and a first liquid outlet 202. Specifically, the first liquid cooling row 20 includes a first liquid inlet tank 21, a plurality of first radiating pipes 22, and a first liquid outlet tank 23. The first liquid inlet tank 21 has the first liquid inlet 201, and the first liquid outlet tank 23 has the first liquid outlet 202. The hot port 101 is communicated with the first liquid inlet 201, so that the cooling liquid can enter the first liquid inlet tank 21 after leaving the liquid cooling head 10. Each first radiating pipe 22 is connected between the first liquid inlet tank 21 and the first liquid outlet tank 23, so that the cooling liquid entering the first liquid inlet tank 21 can be cooled by each first radiating pipe 22 and then enter the first liquid outlet tank 23. Each first radiating pipe 22 includes a plurality of first pipe bodies 221 and a plurality of first radiating fin groups 222. In this embodiment, each first pipe body 221 is a flat pipe body, and each first pipe body 221 is arranged in parallel with each other between each first radiating fin group 222. Each first radiating fin group 222 is composed of wavy metal fins, but the present application is not limited thereto. The first pipe body 221 and the first radiating fin group 222 can also be in other forms known to those skilled in the art.

[0031] Please refer to Figure 2 , Figure 3 and Figure 5As shown, the second liquid cooling row 30 is arranged between the liquid cooling head 10 and the first liquid cooling row 20, and the second liquid cooling row 30 is arranged in parallel with the first liquid cooling row 20. The volume of the second liquid cooling row 30 is smaller than the volume of the first liquid cooling row 20. In the present embodiment, the length, width and height of the second liquid cooling row 30 are all smaller than the length, width and height of the first liquid cooling row 20, but the present application is not limited thereto. The second liquid cooling row 30 has a second liquid inlet 301 and a second liquid outlet 302. Specifically, the second liquid cooling row 30 includes a second liquid inlet tank 31, a plurality of second heat dissipation pipes 32 and a second liquid outlet tank 33. The second liquid inlet tank 31 has the aforementioned second liquid inlet 301, and the second liquid outlet tank 33 has the aforementioned second liquid outlet 302. The first liquid outlet 202 is connected to the second liquid inlet 301, so that the cooling liquid can enter the second liquid inlet tank 31 after leaving the first liquid outlet tank 23. The second liquid outlet 302 is connected to the cold port 102, so that the cooling liquid can enter the liquid cooling head 10 after leaving the second liquid outlet tank 33. Each second heat dissipation pipe 32 is connected between the second liquid inlet tank 31 and the second liquid outlet tank 33, so that the cooling liquid entering the second liquid inlet tank 31 can be cooled by each second heat dissipation pipe 32 and then enter the second liquid outlet tank 33. The volume of each second heat dissipation pipe 32 is smaller than the volume of each first heat dissipation pipe 22, and each second heat dissipation pipe 32 includes a plurality of second pipe bodies 321 and a plurality of second heat dissipation fin groups 322. In the present embodiment, each second pipe body 321 is a flat pipe body, and each second pipe body 321 is arranged in parallel with each other between each second heat dissipation fin group 322, each second heat dissipation fin group 322 is composed of wavy metal fins, but the present application is not limited thereto, and the second pipe body 321 and the second heat dissipation fin group 322 can also be in other forms known to those skilled in the art.

[0032] Please refer to Figure 1 and Figure 7As shown, the fan 40 is arranged corresponding to the first liquid cooling row 20 and performs air cooling heat dissipation on the first liquid cooling row 20, so that the first liquid cooling row 20 can play a good heat dissipation effect. In the embodiment, the number of the fan 40 is plural and arranged side by side, but the utility model is not limited thereto, and the number of the fan 40 can be determined according to the length of the first liquid cooling row 20. In other words, the longer the length of the first liquid cooling row 20 is, the more the number of the fan 40 is, so as to ensure that each first heat dissipation pipeline 22 of the first liquid cooling row 20 can be blown and cooled by each fan 40. The first liquid cooling row 20 is located between each fan 40 and the second liquid cooling row 30. Specifically, the first liquid cooling row 20 is parallel to the arrangement direction of each fan 40 and the second liquid cooling row 30. Therefore, the arrangement of the second liquid cooling row 30 will not affect the air cooling effect of the fan 40 on the first liquid cooling row 20, and since the volume of the second liquid cooling row 30 is smaller than the volume of the first liquid cooling row 20, the arrangement of the second liquid cooling row 30 will not affect the existing size and volume of the server A, but can be arranged between the liquid cooling head 10 and the first liquid cooling row 20 and perform secondary heat dissipation on the cooling liquid after the first liquid cooling row 20 is cooled.

[0033] Referring back to Figures 1 to 5 As shown, the closed-loop double-water-cooling-row heat dissipation device further comprises a first liquid conveying pipe 51, a second liquid conveying pipe 52 and a third liquid conveying pipe 53. The first liquid conveying pipe 51 is connected between the hot port 101 of the liquid cooling head 10 and the first liquid inlet 201 of the first liquid cooling row 20. The second liquid conveying pipe 52 is connected between the first liquid outlet 202 of the first liquid cooling row 20 and the second liquid inlet 301 of the second liquid cooling row 30. The third liquid conveying pipe 53 is connected between the second liquid outlet 302 of the second liquid cooling row 30 and the cold port 102 of the liquid cooling head 10. Therefore, the connection effect between the liquid cooling head 10, the first liquid cooling row 20 and the second liquid cooling row 30 can be achieved, so that the cooling liquid can be effectively transmitted to form a circulation. In addition, the second liquid cooling row 30 is located between the first liquid conveying pipe 51, the second liquid conveying pipe 52, the third liquid conveying pipe 53 and the first liquid cooling row 20, so that the arrangement of the second liquid cooling row 30 will not affect the existing size and volume of the server A, but can effectively further improve the heat dissipation effect. In addition, when the heat dissipation effect of the first liquid cooling row 20 is sufficient to effectively dissipate heat, the user can also remove the second liquid cooling row 30 so that the first liquid outlet 202 of the first liquid cooling row 20 is directly communicated with the cold port 102 of the liquid cooling head 10 to form a circulation.

[0034] Further, the closed-loop double water cooling heat dissipation device further comprises at least one humidity detection assembly 60. The humidity detection assembly 60 is arranged at one of the connecting positions of the first liquid pipe 51, the second liquid pipe 52 or the third liquid pipe 53, and the humidity detection assembly 60 can detect the humidity change of the connecting position. Specifically, the humidity detection assembly 60 comprises a sealed box 61 and a humidity sensor 62. The sealed box 61 is detachably arranged at one of the connecting positions of the first liquid pipe 51, the second liquid pipe 52 or the third liquid pipe 53. The sealed box 61 comprises a first cover body 611 and a second cover body 612 which are connected to each other, so that a closed space (not numbered in the figure) is formed in the sealed box 61. The first cover body 611 can be connected to the second cover body 612 by clamping, buckling or locking, and in the embodiment, the buckling mode is adopted to facilitate the user to quickly disassemble and assemble. The humidity sensor 62 is accommodated in the closed space of the sealed box 61 and can detect the humidity change of the connecting position in the sealed box 61. Specifically, when the connecting position leaks or seeps the cooling liquid, since the connecting position is located in the closed space of the sealed box 61, the water vapor is not easy to be exposed and the humidity in the closed space is increased, so that the user can be notified by the humidity sensor 62, thereby avoiding the insufficient water quantity caused by excessive leakage of the cooling liquid or damage of the electronic components on the server A.

[0035] In the embodiment, the number of humidity detection assemblies 60 is plural, and each humidity detection assembly 60 is arranged at each connecting position of the first liquid pipe 51, the second liquid pipe 52 or the third liquid pipe 53, so that whether the connecting position has the phenomenon of leaking or seeping the cooling liquid can be detected, so that the user can know and properly handle in the first time. However, the number of humidity detection assemblies 60 is not particularly limited, and those skilled in the art should be able to make corresponding adjustment and change according to different needs, so as to arrange the humidity detection assembly 60 at the required detection position.

[0036] The closed-loop double water cooling heat dissipation device can effectively preliminarily dissipate the cooling liquid flowing out of the hot port 101 of the liquid cooling head 10 by the first liquid cooling heat sink 20 with a large volume, and can effectively improve the heat dissipation efficiency by the second liquid cooling heat sink 30 for the second heat dissipation. Since the second liquid cooling heat sink 30 is arranged between the liquid cooling head 10 and the first liquid cooling heat sink 20, and the first liquid cooling heat sink 20 is located between the fan 40 and the second liquid cooling heat sink 30, the heat dissipation efficiency of the server A can be further improved without changing the size of the server A under the existing space size of the server A.

[0037] The above-described embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. Any equivalent substitutions or transformations made by those skilled in the art based on the present application are within the protection scope of the present application.

Claims

1. A closed loop dual water cooling heat sink, characterized by, The application relates to a liquid cooling device, comprising: a liquid cooling head having a hot port and a cold port; a first liquid cooling row having a first liquid inlet and a first liquid outlet, the hot port being communicated with the first liquid inlet; a second liquid cooling row arranged between the liquid cooling head and the first liquid cooling row, the second liquid cooling row having a second liquid inlet and a second liquid outlet, the first liquid outlet being communicated with the second liquid inlet, and the second liquid outlet being communicated with the cold port, and the volume of the second liquid cooling row being smaller than that of the first liquid cooling row; and a fan arranged corresponding to the first liquid cooling row and cooling the first liquid cooling row.

2. The closed loop dual water cooling heat sink of claim 1, wherein, The application further comprises a first liquid pipe, a second liquid pipe and a third liquid pipe, the first liquid pipe being connected between the hot port and the first liquid inlet, the second liquid pipe being connected between the first liquid outlet and the second liquid inlet, and the third liquid pipe being connected between the second liquid outlet and the cold port.

3. The closed loop dual water cooling heat sink of claim 2, wherein, The second liquid cooling row is arranged between the first liquid pipe, the second liquid pipe, the third liquid pipe and the first liquid cooling row.

4. The closed loop dual water cooling heat sink of claim 2, wherein, The application further comprises a humidity detection assembly arranged at one of the connections of the first liquid pipe, the second liquid pipe or the third liquid pipe and capable of detecting the humidity change of the connection.

5. The closed loop dual water cooling heat sink of claim 4, wherein, The humidity detection assembly comprises a sealed box and a humidity sensor, the sealed box being arranged at the connection, and the humidity sensor being accommodated in the sealed box and capable of detecting the humidity change in the sealed box.

6. The closed loop dual water cooling heat sink of claim 5, wherein, The sealed box comprises a first cover and a second cover, the first cover being assembled with the second cover in a snap, buckle or locking manner.

7. The closed loop dual water cooling heat sink of claim 1, wherein, The first liquid cooling row comprises a first liquid inlet tank, a plurality of first heat dissipation pipes and a first liquid outlet tank, each of the first heat dissipation pipes being connected between the first liquid inlet tank and the first liquid outlet tank, the first liquid inlet tank having the first liquid inlet, and the first liquid outlet tank having the first liquid outlet.

8. The closed loop dual water cooling heat sink of claim 7, wherein, The second liquid cooling row comprises a second liquid inlet tank, a plurality of second heat dissipation pipes and a second liquid outlet tank, each of the second heat dissipation pipes being connected between the second liquid inlet tank and the second liquid outlet tank, the second liquid inlet tank having the second liquid inlet, and the second liquid outlet tank having the second liquid outlet.

9. The closed loop dual water cooling heat sink of claim 1, wherein, The volume of each of the first heat dissipation pipes is greater than that of each of the second heat dissipation pipes.

10. The closed loop dual water cooling heat sink of claim 9, wherein, The liquid cooling head comprises an upper cover, a partition plate and a bottom plate, the partition plate being arranged between the upper cover and the bottom plate and dividing the interior of the liquid cooling head into a liquid inlet chamber and a liquid outlet chamber, the liquid inlet chamber being communicated with the cold port, and the liquid outlet chamber being communicated with the hot port. The upper cover has a plurality of heat dissipation fins, each of the heat dissipation fins being integrally formed on two sides of the upper cover.

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