Liquid cooling device for multiple heat sources

Abstract

The utility model relates to a liquid cooling device for multiple heat sources. The liquid cooling device comprises a water cooling row, a first water cooling group, a second water cooling group and a water pump, the water cooling row comprises a plurality of row pipes, and a water outlet cavity, a water inlet cavity and a confluence cavity which are communicated with the row pipes; the calandria comprises a plurality of first calandria and a plurality of second calandria. The first water cooling set comprises a first water cooling head, a first water inlet pipe and a first water outlet pipe, the first water cooling head is provided with a first water inlet and a first water outlet, the first water inlet pipe is communicated with the first calandria and the first water inlet, and the first water outlet pipe is communicated with the first water outlet and the first calandria. The second water cooling set comprises a second water cooling head, a second water inlet pipe and a second water outlet pipe, the second water cooling head is provided with a second water inlet and a second water outlet, the second water inlet pipe is communicated with the second calandria and the second water inlet, and the second water outlet pipe is communicated with the second water outlet and the second calandria. The water pump is arranged among the water-cooling row, the first water-cooling group and the second water-cooling group; therefore, the heat dissipation efficiency is improved and the structure is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to a liquid cooling device, in particular to a liquid cooling device for multiple heat sources. BACKGROUND

[0002] The common liquid cooling device on the market usually transports the cooling liquid to the heat dissipation module through the pump. The cooling liquid releases heat through the cooler, such as the heat dissipation fin or the heat exchanger, after absorbing the heat of the heat source, forming a circulation path. In addition, the heat dissipation module designed for multiple heat sources usually includes multiple branch pipes connected to different heat sources, such as CPU, GPU or power module, to achieve the purpose of cooling multiple heat sources at the same time.

[0003] In addition, although the heat dissipation module designed for multiple heat sources can dissipate heat for multiple heat sources, the pressure loss may occur in the process of liquid distribution and convergence, which may lead to uneven flow distribution and reduce the heat dissipation efficiency. In addition, the multiple-heat-source liquid cooling device needs to be designed with multiple branch pipes and convergence structures, which has high manufacturing cost and is difficult to maintain and troubleshoot in actual use, so it needs to be improved. SUMMARY

[0004] One of the purposes of the utility model is to provide a liquid cooling device for multiple heat sources to improve the heat dissipation efficiency and simplify the structure, and increase the convenience in use.

[0005] One of the purposes of the utility model is to provide a liquid cooling device for multiple heat sources to reduce the manufacturing cost and achieve the effect of facilitating maintenance and troubleshooting.

[0006] In order to achieve the above purpose, the utility model is a liquid cooling device for multiple heat sources, which includes a water cooling row, a first water cooling group, a second water cooling group and a water pump. The water cooling row includes a plurality of row pipes, and a water outlet chamber, a water inlet chamber and a convergence chamber connected to the row pipes. The row pipe includes a plurality of first row pipes and a plurality of second row pipes. The first water cooling group includes a first water cooling head, a first water inlet pipe and a first water outlet pipe. The first water cooling head has a first water inlet and a first water outlet. The first water inlet pipe is connected to the first row pipe and the first water inlet. The first water outlet pipe is connected to the first water outlet and the first row pipe. The second water cooling group includes a second water cooling head, a second water inlet pipe and a second water outlet pipe. The second water cooling head has a second water inlet and a second water outlet. The second water inlet pipe is connected to the second row pipe and the second water inlet. The second water outlet pipe is connected to the second water outlet and the second row pipe. The water pump is arranged between the water cooling row, the first water cooling group and the second water cooling group.

[0007] In an embodiment of the utility model, the first row pipe includes a plurality of first water outlet row pipes and a plurality of first water inlet row pipes, the second row pipe includes a plurality of second water outlet row pipes and a plurality of second water inlet row pipes, and the second water outlet row pipe and the second water inlet row pipe are arranged between the first water outlet row pipe and the first water inlet row pipe located at the two outer sides.

[0008] In an embodiment of the utility model, first water inlet pipe links first water outlet pipe and first water inlet, first water outlet pipe links first water outlet and first water inlet pipe; second water inlet pipe links second water outlet pipe and second water inlet, second water outlet pipe links second water outlet and second water inlet pipe.

[0009] In an embodiment of the utility model, one end of first water outlet pipe and second water outlet pipe links water outlet chamber, the other end links confluence chamber; one end of first water inlet pipe and second water inlet pipe links water inlet chamber, the other end links confluence chamber.

[0010] In an embodiment of the utility model, water pump includes the first water pump of setting in first water cooling group and the second water pump of setting in second water cooling group, and the first water pump is located on first water cooling head, and the second water pump is located on second water cooling head.

[0011] In an embodiment of the utility model, water cooling row includes partition, and the partition is arranged between water outlet chamber and water inlet chamber.

[0012] In an embodiment of the utility model, first row pipe includes multiple first water outlet pipe and multiple first water inlet pipe, second row pipe includes multiple second water outlet pipe and multiple second water inlet pipe, and first water inlet pipe and second water inlet pipe are arranged between first water outlet pipe and second water outlet pipe located at two outer sides.

[0013] In an embodiment of the utility model, water outlet chamber includes first water outlet chamber and second water outlet chamber, and confluence chamber includes first confluence chamber and second confluence chamber; one end of first water outlet pipe links first water outlet chamber, and the other end links first confluence chamber, and one end of first water inlet pipe links water inlet chamber, and the other end links first confluence chamber; one end of second water outlet pipe links second water outlet chamber, and the other end links second confluence chamber, and one end of second water inlet pipe links water inlet chamber, and the other end links second confluence chamber.

[0014] In an embodiment of the utility model, water cooling row includes multiple first partition and second partition, and first partition is arranged between first water outlet chamber and water inlet chamber, second water outlet chamber and water inlet chamber respectively, and second partition is arranged between first confluence chamber and second confluence chamber.

[0015] In an embodiment of the utility model, water pump is arranged in water cooling row and is located between first water inlet pipe and second water inlet pipe.

[0016] Compared with the prior art, the liquid cooling device for multiple heat sources can be divided into two circulating water paths according to the arrangement of the first water cooling group and the second water cooling group, and the water pump is arranged between the water cooling row, the first water cooling group and the second water cooling group to increase the pressure of the circulating water path, thereby improving the flow rate of the cooling liquid and the heat dissipation efficiency. In addition, the structure of the liquid cooling device is simple, and multiple heat sources can be cooled, thereby increasing the practicability and convenience in use. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above-mentioned characteristics, technical features, advantages and implementation modes of the liquid cooling device for multiple heat sources will be further described in the following preferred embodiments in a clear and understandable manner combined with the drawings.

[0018] Figure 1 is a perspective view of the liquid cooling device for multiple heat sources.

[0019] Figure 2 is a cross-sectional view of the water cooling row.

[0020] Figure 3 is a perspective view of another embodiment of the liquid cooling device for multiple heat sources.

[0021] Figure 4 is a cross-sectional view of another embodiment of the water cooling row.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1, 1a: liquid cooling device for multiple heat sources, 10, 10a: water cooling row, 11, 11a: row pipe, 12, 12a: water outlet cavity, 121a: first water outlet cavity, 122a: second water outlet cavity, 13, 13a: water inlet cavity, 14, 14a: flow cavity, 141a: first flow cavity, 142a: second flow cavity, 15, 15a: first row pipe, 151, 151a: first water outlet row pipe, 152, 152a: first water inlet row pipe, 16, 16a: second row pipe, 161, 161a: second water outlet row pipe, 162, 162a: second water inlet row pipe, 17: partition, 17a: first partition, 18a: second partition, 20, 20a: first water cooling group, 21, 21a: first water cooling head, 211: first water inlet, 212: first water outlet, 22, 22a: first water inlet pipe, 23, 23a: first water outlet pipe, 30, 30a: second water cooling group, 31, 31a: second water cooling head, 311: second water inlet, 312: second water outlet, 32, 32a: second water inlet pipe, 33, 33a: first water outlet pipe, 40, 40a: water pump, 41: first water pump, 42: second water pump, 50: pressure relief valve. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, specific implementation manners of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0025] In order to make the drawing simple, only the parts related to the present application are shown in the drawings, which do not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one".

[0026] It should be further understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0027] In this paper, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, in the description of the present application, the terms "first", "second" and the like are only used for description, and cannot be understood as indicating or implying relative importance.

[0029] The detailed description and technical content of the present application are described as follows with reference to the drawings, however, the attached drawings are only provided for reference and description, and are not used to limit the present application.

[0030] Please refer to Figure 1 and Figure 2The utility model is a liquid cooling device for multiple heat sources, which comprises a water cooling row 10, a first water cooling group 20, a second water cooling group 30 and at least one water pump 40. The first water cooling group 20 and the second water cooling group 30 are connected to the water cooling row 10, and are used for cooling multiple heat sources (not shown in the figure). In addition, the water pump 40 is connected to the water cooling row 10 or the first water cooling group 20 and the second water cooling group 30, so as to increase the pressure of the circulating water path, thereby improving the heat dissipation efficiency. The liquid cooling device for multiple heat sources 1 will be described in more detail as follows.

[0031] The water cooling row 10 comprises multiple row pipes 11, a water outlet cavity 12, a water inlet cavity 13 and a flow collection cavity 14 connected to the row pipes 11. The row pipes 11 comprise multiple first row pipes 15 and multiple second row pipes 16. In addition, the first row pipes 15 comprise multiple first water outlet row pipes 151 and multiple first water inlet row pipes 152. The second row pipes 16 comprise multiple second water outlet row pipes 161 and multiple second water inlet row pipes 162. In the embodiment, the second water outlet row pipes 161 and the second water inlet row pipes 162 are arranged between the first water outlet row pipes 151 and the first water inlet row pipes 152 located at the two outer sides.

[0032] The first water cooling group 20 comprises a first water cooling head 21, a first water inlet pipe 22 and a first water outlet pipe 23. The first water cooling head 21 is provided with a first water inlet 211 and a first water outlet 212. The first water inlet pipe 22 is connected to the first water outlet row pipes 151 of the first row pipes 15 and the first water inlet 211. The first water outlet pipe 23 is connected to the first water outlet 212 and the first water inlet row pipes 152 of the first row pipes 15.

[0033] In addition, the second water cooling group 30 comprises a second water cooling head 31, a second water inlet pipe 32 and a second water outlet pipe 33. The second water cooling head 31 is provided with a second water inlet 311 and a second water outlet 312. The second water inlet pipe 32 is connected to the second water outlet row pipes 161 of the second row pipes 16 and the second water inlet 311. The second water outlet pipe 33 is connected to the second water outlet 312 and the second water inlet row pipes of the second row pipes.

[0034] Specifically, one end of the first water outlet row pipes 151 and the second water outlet row pipes 161 is connected to the water outlet cavity 12, and the other end is connected to the flow collection cavity 14. In addition, one end of the first water inlet row pipes 152 and the second water inlet row pipes 162 is connected to the water inlet cavity 13, and the other end is connected to the flow collection cavity 14.

[0035] The water pump 40 is disposed between the water cooling row 10, the first water cooling group 20 and the second water cooling group 30. In the embodiment, the water pump 40 comprises a first water pump 41 disposed at the first water cooling group 20 and a second water pump 42 disposed at the second water cooling group 30. In addition, the first water pump 41 is disposed at the first water cooling head 21. The second water pump 42 is disposed at the second water cooling head 31.

[0036] It is worth noting that the water cooling row 10 of the utility model further comprises a partition plate 17. The partition plate 17 is disposed between the water outlet cavity 12 and the water inlet cavity 13. In addition, the water cooling row 10 of the utility model is provided with a pressure relief valve 50 at the confluence cavity 14. When there is air inside the liquid cooling device 1 for multiple heat sources of the utility model, the air can be removed through the pressure relief valve 50.

[0037] Accordingly, the liquid cooling device 1 for multiple heat sources of the utility model can be divided into two circulating water paths according to the arrangement of the first water cooling group 20 and the second water cooling group 30. In the first circulating water path, the cooling liquid flows out from the water outlet cavity 12, enters the first water inlet pipe 22, flows into the first water cooling head 21, flows out from the first water outlet pipe 23, enters the water inlet cavity 13, flows through the first water inlet row pipe 152, enters the confluence cavity 14, and then flows through the first water outlet row pipe 151 to enter the water outlet cavity 12 again, and then enters the first water inlet pipe 22, and circulates along the path to exchange heat with the first water cooling head 21, so as to dissipate heat from a heat source through the first water cooling head 21.

[0038] Similarly, in the second circulating water path, the cooling liquid flows out from the water outlet cavity 12, enters the second water inlet pipe 32, flows into the second water cooling head 31, flows out from the second water outlet pipe 33, enters the water inlet cavity 13, flows through the second water inlet row pipe 162, enters the confluence cavity 14, and then flows through the second water outlet row pipe 161 to enter the water outlet cavity 12 again, and then enters the second water inlet pipe 32, and circulates along the path to exchange heat with the second water cooling head 31, so as to dissipate heat from another heat source through the second water cooling head 31.

[0039] It is to be noted that the first water pump 41 is connected to the first water cooling head 21, which can increase the pressure of the first circulating water path, thereby increasing the flow rate of the cooling liquid and further improving the heat dissipation efficiency. In addition, the second water pump 42 is connected to the second water cooling head 31, which can increase the pressure of the second circulating water path, thereby increasing the flow rate of the cooling liquid and further improving the heat dissipation efficiency.

[0040] Please refer to Figure 3 and Figure 4, the water cooling device 1a includes a water cooling row 10a, a first water cooling group 20a, a second water cooling group 30a and at least one water pump 40a. The water cooling row 10a includes a plurality of row pipes 11a, a water outlet cavity 12a (including a first water outlet cavity 121a and a second water outlet cavity 122a), a water inlet cavity 13a and a flow cavity 14a (including a first flow cavity 141a and a second flow cavity 142a). The row pipes 11a include a plurality of first row pipes 15a and a plurality of second row pipes 16a. In addition, the first row pipes 15a include a plurality of first water outlet row pipes 151a and a plurality of first water inlet row pipes 152a. The second row pipes 16a include a plurality of second water outlet row pipes 161a and a plurality of second water inlet row pipes 162a. In this embodiment, the first water inlet row pipes 152a and the second water inlet row pipes 162a are arranged between the first water outlet row pipes 151a and the second water outlet row pipes 161a located at both sides.

[0041] In this embodiment, one end of the first water outlet row pipe 151a is communicated with the first water outlet cavity 121a, and the other end is communicated with the first flow cavity 141a. One end of the first water inlet row pipe 152a is communicated with the water inlet cavity 13a, and the other end is communicated with the first flow cavity 141a. One end of the second water outlet row pipe 161a is communicated with the second water outlet cavity 122a, and the other end is communicated with the second flow cavity 142a. One end of the second water inlet row pipe 162a is communicated with the water inlet cavity 13a, and the other end is communicated with the second flow cavity 142a.

[0042] It is to be noted that the water cooling row 10a further includes a plurality of first partitions 17a and a second partition 18a. The first partitions 17a are respectively arranged between the first water outlet cavity 121a and the water inlet cavity 13a, and between the second water outlet cavity 122a and the water inlet cavity 13a. In addition, the second partition 18a is arranged between the first flow cavity 141a and the second flow cavity 142a.

[0043] Furthermore, the first water cooling group 20a includes a first water cooling head 21a, a first water inlet pipe 22a and a first water outlet pipe 23a. The second water cooling group 30a includes a second water cooling head 31a, a second water inlet pipe 32a and a second water outlet pipe 33a. The connection arrangement of the first water cooling group 20a and the second water cooling group 30a is substantially the same as that of the previous embodiment, and will not be described here.

[0044] The main difference between this embodiment and the previous embodiment is that the water pump 40a is arranged in the water cooling row 10a and located between the first water inlet row pipes 152a and the second water inlet row pipes 162a.

[0045] Accordingly, the liquid cooling device 1a for multiple heat sources can be divided into two circulating water paths according to the first water cooling group 20a and the second water cooling group 30a. In the first circulating water path, the cooling liquid flows out from the first water outlet cavity 121a, enters the first water inlet pipe 22a, flows into the first water cooling head 21a, flows out from the first water outlet pipe 23a, enters the water inlet cavity 13a, flows through the first water inlet discharge pipe 152a, enters the first water collecting cavity 14a, and then flows through the first water outlet discharge pipe 151a to enter the first water outlet cavity 12, and then enters the first water inlet pipe 22a, and circulates along the path to exchange heat with the first water cooling head 21a, so as to dissipate heat from a heat source through the first water cooling head 21a.

[0046] Similarly, in the second circulating water path, the cooling liquid flows out from the second water outlet cavity 122a, enters the second water inlet pipe 32a, flows into the second water cooling head 31a, flows out from the second water outlet pipe 33a, enters the water inlet cavity 13a, flows through the second water inlet discharge pipe 162a, enters the second water collecting cavity 14a, and then flows through the second water outlet discharge pipe 161a to enter the second water outlet cavity 122a, and then enters the second water inlet pipe 32a, and circulates along the path to exchange heat with the second water cooling head 31a, so as to dissipate heat from another heat source through the second water cooling head 31a.

[0047] It should be noted that the water pump 40a can increase the water path pressure of the first water cooling group 20a and the second water cooling group 30a, thereby improving the heat dissipation efficiency.

[0048] The above is only a preferred embodiment of the present application, not to limit the scope of the patent, other equivalent changes using the spirit of the present application, should be included in the scope of the present application. For ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should be considered as the scope of the present application.

Claims

1. A liquid cooling device for multiple heat sources, comprising: a water cooling block comprising a plurality of tubes and a water outlet chamber, a water inlet chamber and a converging chamber connected to the tubes, the tubes comprising a plurality of first tubes and a plurality of second tubes; a first water cooling unit comprising a first water cooling head having a first water inlet and a first water outlet, a first water inlet pipe connected to the first tubes and the first water inlet, and a first water outlet pipe connected to the first water outlet and the first tubes; a second water cooling unit comprising a second water cooling head having a second water inlet and a second water outlet, a second water inlet pipe connected to the second tubes and the second water inlet, and a second water outlet pipe connected to the second water outlet and the second tubes; and at least one water pump disposed between the water cooling block, the first water cooling unit and the second water cooling unit.

2. The liquid cooling device for multiple heat sources as claimed in claim 1, wherein, wherein the first tubes comprise a plurality of first outlet tubes and a plurality of first inlet tubes, the second tubes comprise a plurality of second outlet tubes and a plurality of second inlet tubes, and the second inlet tubes and the second outlet tubes are disposed between the first outlet tubes and the first inlet tubes on both outer sides.

3. The liquid cooling device for multiple heat sources as claimed in claim 2, wherein, wherein the first inlet pipe is connected to the first outlet tubes and the first water inlet, and the first outlet pipe is connected to the first water outlet and the first inlet tubes; the second inlet pipe is connected to the second outlet tubes and the second water inlet, and the second outlet pipe is connected to the second water outlet and the second inlet tubes.

4. The liquid cooling apparatus for multiple heat sources as claimed in claim 2, wherein wherein one end of the first outlet tubes and the second outlet tubes is connected to the water outlet chamber, and the other end is connected to the converging chamber; one end of the first inlet tubes and the second inlet tubes is connected to the water inlet chamber, and the other end is connected to the converging chamber.

5. The liquid cooling apparatus for multiple heat sources as claimed in claim 2, wherein wherein the at least one water pump comprises a first water pump disposed in the first water cooling unit and a second water pump disposed in the second water cooling unit, the first water pump is disposed on the first water cooling head, and the second water pump is disposed on the second water cooling head.

6. The liquid cooling device for multiple heat sources of claim 1, wherein, wherein the water cooling block comprises a partition plate disposed between the water outlet chamber and the water inlet chamber.

7. The liquid cooling device for multiple heat sources of claim 1, wherein, wherein the first tubes comprise a plurality of first outlet tubes and a plurality of first inlet tubes, the second tubes comprise a plurality of second outlet tubes and a plurality of second inlet tubes, and the first inlet tubes and the second inlet tubes are disposed between the first outlet tubes and the second outlet tubes on both outer sides.

8. The liquid cooling apparatus for multiple heat sources as claimed in claim 7, wherein wherein the water outlet chamber comprises a first water outlet chamber and a second water outlet chamber, and the converging chamber comprises a first converging chamber and a second converging chamber; one end of the first outlet tubes is connected to the first water outlet chamber, and the other end is connected to the first converging chamber; one end of the first inlet tubes is connected to the water inlet chamber, and the other end is connected to the first converging chamber; one end of the second outlet tubes is connected to the second water outlet chamber, and the other end is connected to the second converging chamber; one end of the second inlet tubes is connected to the water inlet chamber, and the other end is connected to the second converging chamber.

9. The liquid cooling device for multiple heat sources of claim 8, wherein, The water cooling rack comprises a plurality of first partitions and a second partition. The first partitions are respectively arranged between the first water outlet cavity and the water inlet cavity, and between the second water outlet cavity and the water inlet cavity. The second partition is arranged between the first flow cavity and the second flow cavity.

10. The liquid cooling apparatus for multiple heat sources as claimed in claim 7, wherein The at least one water pump is arranged in the water cooling rack and located between the first water inlet pipes and the second water inlet pipes.

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