CN211352917U

CN211352917U - Integrated form water-cooling head

Info

Publication number: CN211352917U
Application number: CN202020017496.4U
Authority: CN
Inventors: 吴礼平; 魏远海; 黄万鹏; 李高余
Original assignee: NANNING BALING Tech Inc
Current assignee: NANNING BALING Tech Inc
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-08-25
Anticipated expiration: 2030-01-06

Abstract

An integrated water cooling head comprises a cooling bottom plate, cooling fins, a flow distribution plate, an upper cover, a water inlet pipe and a water outlet pipe. The concrete connection mode of the components is as follows: the cooling bottom plate is provided with cooling fins, the cooling bottom plate is matched with the end face of the upper cover, the flow distribution plate is matched with a boss in the inner cavity of the upper cover, the water inlet pipe and the water outlet pipe are assembled with the top of the upper cover, and all the components are welded into a whole through high-temperature brazing after being assembled. Compared with the prior art, the utility model, the water-cooling head inner chamber has the flow distribution plate, and the cooling fin on the cooling bottom plate of reposition of redundant personnel coolant that can be even to the water-cooling head is integral welding, reduces the assembly risk of leaking, and the structure is compacter, and the reliability is higher.

Description

Integrated form water-cooling head

Technical Field

The utility model relates to an electromechanical device's heat abstractor, especially electromechanical device's such as server, network equipment, computer, dc-to-ac converter, constant voltage power supply, group battery heat abstractor specifically are an integrated form water-cooling head.

Background

Because of the advantages of more uniform water cooling heat dissipation, higher efficiency and less noise compared with air cooling, electronic equipment such as high-performance computers and servers and various electromechanical equipment generally use a water cooling mode to cool heating electronic elements such as CPUs, high-power chips and high-power transistors. The water cooling mode basically comprises a cooling bottom plate, a water pump, a radiator and a fan. The traditional water cooling head structure comprises a cooling bottom plate, an external sealing ring, an assembled upper cover, a screw, a water inlet pipe with screw threads, and an O-shaped sealing ring which are formed by machining. All parts are fastened by screws, and the sealing is mainly ensured by a sealing ring. The product reliability of the component naturally decreases over time, even with the risk of failure leakage causing other core components to be damaged. Meanwhile, the traditional water cooling head is not provided with a structure for cooling liquid distribution, so that the problem of local uneven heating is caused. Meanwhile, the assembled water cooling head occupies a large space, is not compact enough, and is not beneficial to the miniaturization and lightweight design of the structure.

Disclosure of Invention

The utility model aims to solve the problems of uneven local heating of the existing water cooling head, incompact product structure, poor reliability, high cost and the like, and provides an integrated water cooling head.

In order to achieve the above purpose, the utility model discloses a technical scheme is: an integrated water cooling head comprises a cooling bottom plate, cooling fins, a flow distribution plate, an upper cover, a water inlet pipe and a water outlet pipe,

the concrete structure and the connection relation of the components are as follows: the cooling bottom plate is provided with cooling fins, the cooling bottom plate is matched with the end face of the upper cover, the flow distribution plate is matched with a boss of an inner cavity of the upper cover, the water inlet pipe and the water outlet pipe are installed at the top of the upper cover, and all the parts are assembled to form a closed whole through brazing.

The upper cover is assembled and brazed with the flow distribution plate into a whole through a boss arranged in the stamping inner cavity.

The water inlet pipe and the water outlet pipe are integrated through brazing.

The integrated water cooling head is made of copper alloy or aluminum alloy.

The height of the cooling fins on the cooling bottom plate is 2-5 mm, the thickness of the cooling fins is 0.2-0.5 mm, and the fin spacing is 0.2-0.5 mm.

The cooling fins on the cooling bottom plate are in a U shape, a triangular shape, a staggered tooth shape, a square shape or a combination thereof.

The middle or the side of the flow distribution plate is provided with a slotted hole which is formed by stamping and deep drawing uniformly, so that the cooling medium is uniformly distributed on the cooling fin.

The water inlet pipe and the water outlet pipe are realized by machining or rolling ribs, and the end part of the water pipe is provided with an agnail convex rib.

And one side of the bottom surface of the cooling bottom plate is in contact with a heat source for cooling or both sides of the bottom surface and the top surface of the cooling bottom plate are in contact with the heat source for cooling.

Principle and process of operation

The integrated water cooling head has cooling medium flowing through the water inlet pipe to the flow dividing plate in the upper cover cavity and the slotted holes of the flow dividing plate to the cooling fins of the cooling bottom plate, heat source with the heat conducted to the cooling fins of the cooling bottom plate via the bottom of the cooling bottom plate, and heat taken away by the cooling medium via the cooling fins and the hot cooling medium flowing out via the water outlet pipe.

Compared with the prior art, the utility model, have following outstanding advantage:

the water inlet pipe and the water outlet pipe are brazed on the upper cover, the flow distribution plate, the cooling bottom plate and the cooling fins are brazed together, and finally the whole body is brazed to form a whole body, so that the assembling use of an O-shaped ring and a screw is reduced, the water leakage risk is reduced, and the reliability of a product is improved. Meanwhile, the inner cavity flow distribution plate can uniformly distribute cooling media to all parts of the cooling fins, and the heat conduction capability of the product is improved.

Drawings

Fig. 1-1 is a schematic structural diagram of an integrated water-cooling head according to the present invention.

Fig. 1-2 are cross-sectional views of the integrated water head of the present invention as shown in fig. 1-1.

Fig. 2-1 is a schematic structural view of a cooling bottom plate of an integrated water cooling head according to the present invention.

Fig. 2-2 is a cross-sectional view of the cooling base plate of the integrated water head of the present invention, fig. 2-1.

Fig. 3-1 is a schematic structural view of a stamping cooling bottom plate and a rolling staggered-tooth cooling fin of the integrated water-cooling head of the present invention.

Fig. 3-2 is a cross-sectional view of the cooling floor and the rolled staggered tooth cooling fins of the integrated water head of the present invention, as shown in fig. 3-1.

Fig. 4-1 is a schematic structural view of a cooling bottom plate and a rolled U-shaped cooling fin of the integrated water-cooling head of the present invention.

Figure 4-2 the sectional view of the cooling floor and rolled U-shaped cooling fins of the integrated water head of the present invention is shown in figure 4-1.

Fig. 5-1 is a schematic structural view of a cooling bottom plate and a rolling triangular cooling fin of the integrated water-cooling head of the present invention.

Figure 5-2 the sectional view of the cooling floor and roll-on-triangular cooling fins of the integrated water head of the present invention is shown in figure 5-1.

Labeled as: the water cooling device comprises a water inlet pipe 1, an upper cover 2, a flow distribution plate 3, a cooling fin 4, a cooling bottom plate 5 and a water outlet pipe 6.

Detailed Description

The technical constitution of the present invention will be described in further detail below with reference to the drawings and examples.

It should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" in the description of the present invention are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 1-1 and fig. 1-2, the integrated water-cooling head of the present invention comprises a water inlet pipe 1, an upper cover 2, a flow distribution plate 3, a cooling fin 4, a cooling bottom plate 5 and a water outlet pipe 6, wherein the specific structure and connection relationship of the components are as follows: cooling fins 4 are processed on the cooling bottom plate 5, the cooling bottom plate 5 is matched with the end face of the upper cover 2, the flow distribution plate 3 is matched with a boss of an inner cavity of the upper cover 2, the water inlet 1 pipe and the water outlet pipe 6 are installed at the top of the upper cover 2, and all the components are assembled to form a closed whole through brazing. The material may be copper, aluminum, or other metal material for heat exchange.

Example 2

As shown in fig. 2-1 and 2-2, the structure of the cooling bottom plate of the integrated water cooling head of the present invention is schematically illustrated. The machined cooling base plate 5 is integrally connected with the machined cooling fins 4. The material may be copper, aluminum, or other metal material for heat exchange.

Example 3

As shown in figures 3-1 and 3-2, the schematic structural diagrams of the cooling bottom plate and the rolling staggered teeth type cooling fins of the integrated water cooling head of the invention are connected into a whole by the brazing mode through the stamping forming of the cooling bottom plate 5 and the rolling processing of the rolling staggered teeth type cooling fins 4. The material may be copper, aluminum, or other metal material for heat exchange.

Example 4

As shown in FIGS. 4-1 and 4-2, the schematic structural diagrams of the cooling bottom plate and the rolled U-shaped cooling fins of the integrated water-cooling head of the present invention are integrated by the stamping forming of the cooling bottom plate 5 and the rolling of the rolled U-shaped cooling fins 4 through brazing. The material may be copper, aluminum, or other metal material for heat exchange.

Example 5

As shown in FIGS. 5-1 and 5-2, the schematic structural diagrams of the cooling bottom plate and the rolled triangular cooling fins of the integrated water-cooling head of the present invention are formed by connecting the stamping formed cooling bottom plate 5 and the rolled triangular cooling fins 4 into a whole by brazing. The material may be copper, aluminum, or other metal material for heat exchange.

Claims

1. The utility model provides an integrated form water-cooling head, component element includes cooling bottom plate, cooling fin, flow distribution plate, upper cover, inlet tube and outlet pipe, its characterized in that, component element concrete structure and relation of connection are: the cooling bottom plate is provided with cooling fins, the cooling bottom plate is matched with the end face of the upper cover, the flow distribution plate is matched with a boss of an inner cavity of the upper cover, the water inlet pipe and the water outlet pipe are installed at the top of the upper cover, and all the parts are assembled to form a closed whole through brazing.

2. The integrated water-cooling head as claimed in claim 1, wherein the upper cover is assembled and brazed with the splitter plate through a boss on the punched inner cavity.

3. An integrated water head according to claim 1 wherein the inlet and outlet tubes are integrated by brazing.

4. The integrated water cooling head according to claim 1, wherein the cooling fins on the cooling floor have a height of 2-5 mm, a thickness of 0.2-0.5 mm, and a fin pitch of 0.2-0.5 mm.

5. An integrated water cooled head according to claim 2 wherein the cooling fins on the cooling plates are U-shaped, triangular, staggered tooth, square or a combination thereof.

6. The integrated water cooling head as claimed in claim 1, wherein the flow distribution plate has a uniform slot punched and drawn in the middle or side thereof.

7. The integrated water head as defined in claim 1, wherein the integrated water head is made of copper alloy or aluminum alloy.

8. The integrated water head as defined in claim 1 wherein the water inlet and outlet tube ends have barbed ribs.

9. An integrated water head according to claim 1 wherein the cooling floor is cooled on one side by contact with a heat source or on both sides by contact with a heat source.