CN220782633U

CN220782633U - Water cooling structure and cooling system

Info

Publication number: CN220782633U
Application number: CN202321891997.5U
Authority: CN
Inventors: 李伟; 张成顺; 吕宏钧; 汤京喜
Original assignee: Jinan Bodor Laser Co Ltd
Current assignee: Jinan Bodor Laser Co Ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-04-16
Anticipated expiration: 2033-07-18

Abstract

The utility model relates to a water cooling structure and a cooling system, and belongs to the field of cooling equipment. The technical scheme is that the water cooling structure comprises a water cooling plate main body, wherein a circulating waterway is arranged in the water cooling plate main body and comprises a first main pipe, a second main pipe and a plurality of circulating branch pipes, and two ends of each circulating branch pipe are respectively connected with the first main pipe and the second main pipe; the water cooling plate main body is provided with a second water gap and a first water gap, the second water gap is communicated with the first main pipe, and the first water gap is communicated with the second main pipe. The utility model has the beneficial effects that the liquid self-circulation in the water cooling plate is realized based on the fluid dynamics principle by utilizing the temperature difference of the cooling liquid in the water cooling plate, and the cooling liquid is doped with cold and hot cooling liquid to reduce the temperature, and simultaneously, the temperature of the cooling liquid is obviously reduced by radiating the cooling liquid to the outside through the water cooling plate, so that the radiating effect is improved.

Description

Water cooling structure and cooling system

Technical Field

The utility model relates to the field of cooling equipment, in particular to a water cooling structure and a cooling system.

Background

In the electrical system of laser cutting machine, devices such as chip, integrated circuit board can give off heat in the use, and this part heat is inside to be accumulated in laser cutting machine casing and is led to casing inside temperature to rise gradually, and long-time easy the acceleration circuit ageing, and because auxiliary gas has inflammable component in the laser cutting system, there is certain potential safety hazard in long-term high temperature, so need to cool down the heat dissipation to chip, integrated circuit board class part needs, and conventional heat dissipation form includes two kinds of air-cooling and water-cooling: the air cooling adopts a fan to take away heat through air flow, and the water cooling adopts a water cooling plate to cling to the element and takes away heat through water flow in the water cooling plate.

In the prior art, a commonly adopted structure of a water cooling plate is shown in fig. 1, the inside of the water cooling plate is of a continuous S-shaped or U-shaped pipeline structure, two ends of the pipeline are connected with a cooling liquid circulation system, a cooling liquid storage tank supplies cooling liquid for the water cooling plate, and the cooling liquid flowing through the water cooling plate absorbs heat and enters a water cooling machine to cool and then flows back to the cooling liquid storage tank to form circulation.

In the current circulation heat dissipation mode, as the cooling liquid flows to a single direction, the cooling liquid absorbs heat and rises fast, and the cooling effect is easy to be reduced after long-time circulation.

Disclosure of Invention

The utility model provides a self-circulation water cooling structure aiming at the problem of low heat dissipation efficiency of a unidirectional circulation heat dissipation mode in a current water cooling plate.

In order to solve the problems, the utility model adopts the technical scheme that the water cooling structure comprises a water cooling plate main body, wherein a circulating waterway is arranged in the water cooling plate main body, the circulating waterway comprises a first main pipe, a second main pipe and a plurality of circulating branch pipes, the upper ends of the plurality of circulating branch pipes are respectively connected to the first main pipe, and the lower ends of the plurality of circulating branch pipes are respectively connected to the second main pipe; the water cooling plate main body is provided with a second water gap and a first water gap, the second water gap is communicated with the first main pipe, and the first water gap is communicated with the second main pipe. The cooling liquid is led to flow through the cooling water channel, and the cooling liquid flows through the cooling water channel to cool the cooling water channel.

Preferably, the plurality of circulation branch pipes are parallel to each other, the first main pipe and the second main pipe are perpendicular to the circulation branch pipes, a plurality of connection ports are formed in the first main pipe and the second main pipe along the length direction, and the connection ports are connected with the corresponding circulation branch pipes. A vertical and horizontal grid structure is formed, so that the cooling liquid with different densities can be more conveniently exchanged up and down.

Preferably, the water inlet channel is parallel to the circulating branch pipe, one end of the water inlet channel is connected with the first main pipe, and the other end of the water inlet channel is provided with the second water gap. And a water inlet channel independent of the circulating water channel is arranged, so that disturbance on circulation of cooling liquid in the circulating water channel is reduced.

Preferably, the plurality of circulation branches and the water inlet channels are uniformly distributed in the breadth of the water-cooled plate main body. The heat absorption is more uniform.

Preferably, the water cooling plate main body is of an integrated structure, the first main pipe, the second main pipe and the circulating branch pipes are all tapped into the water cooling plate main body from the side face of the water cooling plate main body, and plugging pieces are installed in tapping holes of the first main pipe, the second main pipe and the circulating branch pipes. The integrated water cooling plate is arranged, the internal water channel is machined in a drilling mode, the water cooling plate can bear larger pressure, machining and sealing are convenient, and production and use costs are effectively reduced.

Preferably, the circulating waterway further comprises at least one transverse through pipe, and the transverse through pipe is arranged in the middle of the circulating branch pipes and is communicated with at least two circulating branch pipes. The grid structure of the circulating waterway is enriched by adding the transverse through pipe between the circulating branch pipes, so that the circulating heat exchange capacity is further improved.

Preferably, the water-cooled plate body is made of aluminum alloy or copper. The heat conductivity coefficient is high, and the heat can be absorbed rapidly.

Preferably, the circulation branch pipes are provided with five circulation branch pipes. And a plurality of circulating branch pipes are arranged, so that the heat exchange circulating efficiency is improved.

Preferably, the water cooling plate main body is further provided with a plurality of heat dissipation holes, and the heat dissipation holes are arranged along the thickness direction of the water cooling plate main body. The surface area of the water cooling plate is increased, and the heat absorption effect is further improved.

Furthermore, the utility model also provides a cooling system, which comprises the water cooling structure, a water cooling machine and a water supply loop, wherein the water supply port of the water supply loop is communicated with the second water port, the first water port is connected to the water inlet of the water cooling machine, and the water outlet of the water cooling machine is connected with the water return port of the water supply loop.

According to the technical scheme, the self-circulation type cooling plate has the advantages that the internal self-circulation type cooling plate is designed, the fluid thermodynamic principle is skillfully utilized, the density difference caused by the temperature difference is utilized to enable the cooling liquid to circulate, mix and cool, the heat absorption capacity of the cooling liquid is improved, and the cooling plate has a better heat dissipation effect compared with the traditional unidirectional flowing type cooling plate; meanwhile, the cooling plate is of an integrated structure, the internal drilling holes form a circulating water channel, so that the cooling plate can bear larger pressure, is convenient to process and is lower in cost; on the other hand, the cooling system provided by the utility model has good cooling effect and low layout and use cost.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a water cooling plate in the prior art.

Fig. 2 is a schematic structural diagram of a first embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a second embodiment of the present utility model.

In the figure: 00. the water cooling plate comprises a water cooling plate body, wherein the water cooling plate body comprises a first circulation branch pipe, a second circulation branch pipe, a third circulation branch pipe, a fourth circulation branch pipe, a fifth circulation branch pipe, a water inlet channel, a first main pipe, a second water gap, a first water gap, a heat dissipation hole, a bolt and a transverse through pipe.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

Example 1

As shown in fig. 2, a water cooling structure comprises a water cooling plate main body 00, a circulating waterway is arranged in the water cooling plate main body 00, the circulating waterway comprises a first main pipe 7, a second main pipe 8 and a plurality of circulating branch pipes, the upper ends of the circulating branch pipes are respectively connected to the first main pipe 7, the lower ends of the circulating branch pipes are respectively connected to the second main pipe 8, in the embodiment, the circulating branch pipes are provided with five circulating branch pipes which are parallel to each other, the first main pipe 7 and the second main pipe 8 are perpendicular to the circulating branch pipes, a plurality of connecting ports are formed in the first main pipe 7 and the second main pipe 8 along the length direction, and the connecting ports are connected with the corresponding circulating branch pipes, namely, the circulating waterway forms a grid structure.

In the direction shown in fig. 2, the right end of the first main pipe 7 extends to the right, a water inlet channel 6 is connected to the extending section, the water inlet channel 6 is positioned below the first main pipe 7 and parallel to the circulating branch pipes, a plurality of circulating branch pipes and the water inlet channel 6 are uniformly distributed in the breadth of the water cooling plate main body 00 (namely the radiating surface of the water cooling plate main body), the lower end of the water inlet channel 6 is provided with a second water gap 9, the second water gap 9 is communicated to the outside, and cooling liquid flows back to the cooling liquid storage tank; the left end of the second main pipe 8 is provided with a first water gap 10, and the first water gap 10 is used for connecting a water cooler or a cooling liquid loop.

On the other hand, the existing water cooling plate is in a split form, namely, a water inlet channel is processed on a base plate, then a cover plate is installed, a sealing structure is arranged between the base plate and the cover plate, on one hand, the structure is difficult to bear high water pressure, on the other hand, the sealing structure is easy to damage leakage liquid, for the problem, in this embodiment, the water cooling plate main body is of an integrated structure, materials with good heat conductivity such as aluminum alloy or copper and high heat dissipation capacity can be adopted, meanwhile, the structure of an internal circulating water channel can be obtained by directly drilling holes on the side surface of the base plate, specifically, in fig. 2, each circulating branch pipe and the water inlet channel 9 are drilled on the upper edge of the base plate, the first main pipe 7 and the second main pipe 8 are drilled on the side edge of the base plate, the inner parts of the pipelines are communicated through drilling depth control, then sealing parts are installed at the drilling holes, in this embodiment, the sealing parts are bolts 12, tapping installation can be adopted on the hole openings, in other embodiments, sealing plugs, welding sealing and other forms and the like can also be adopted, in order to further improve the heat dissipation effect, the surface area of the water cooling plate main body can be increased by drilling holes 11.

It should be noted that the number of the circulation branch pipes is not limited to five in the embodiment, and the circulation branch pipes can be flexibly set according to the width of the water cooling plate main body.

Example two

The water cooling plate structure in this embodiment is basically the same as that in the first embodiment, and is different in that, as shown in fig. 3, on the basis of the first embodiment, the circulation waterway in this embodiment further includes at least one cross pipe 13 (two cross pipes are shown in fig. 3), the cross pipes 13 are parallel to the first manifold 7 and the second manifold 8, the cross pipes 13 are located in the middle of the circulation branch pipes and are communicated with at least two circulation branch pipes, and specifically, different cross pipes 13 may be connected to different circulation branch pipes, or the cross pipes 13 may be connected to all circulation branch pipes at the same time.

According to the first embodiment, the circulating water channel is further arranged to be of a grid structure, so that the circulating efficiency of the circulating water channel can be further improved.

Example III

Based on the first and second embodiments, the present embodiment further provides a cooling system, including a water cooling machine, the water cooling structure provided in the first or second embodiment, and a water supply loop, where the water supply loop includes a cooling liquid storage tank (water tank) and a circulation pump for driving the cooling liquid to circulate, a water supply port (i.e. a water outlet of the circulation pump or the cooling liquid storage tank) of the water supply loop is connected to the second water port 9 of the water cooling plate main body 00, the first water port 10 is connected to the water cooling machine, the cooling liquid flows back to the cooling liquid storage tank to realize circulation after being cooled by the water cooling machine, and the circulation pump can be disposed at any position of the circulation pipeline.

The heat dissipation principle of the utility model is that in five circulation branch pipes, the first circulation branch pipe 1, the second circulation branch pipe 2, the third circulation branch pipe 3, the fourth circulation branch pipe 4 and the fifth circulation branch pipe 5 are sequentially arranged along the direction far away from the first water gap 10 (namely the direction from left to right in fig. 2), after a cooling system is started, cooling liquid enters a circulation waterway in a water cooling plate main body through the second water gap 9 and flows out through the first water gap 10, in the process, the cooling liquid absorbs heat gradually, a hot area is formed in the area at the first water gap 10, namely the left lower area of the circulation waterway, meanwhile, due to the fact that the cooling liquid continuously enters, the cooling liquid density in the cold area is different, the cooling liquid density in the cold area is high, the cooling liquid density in the hot area is small, and the circulation branch pipes and the two main pipes are mutually communicated, so that the cooling liquid in the circulation waterway flows into the cooling liquid through the second water gap 9 under the effect of density difference, the overall flow trend of the cooling liquid in the first water gap 10, the cooling liquid in the second circulation branch pipe 2, the cooling liquid flows up to the cooling water channel, the cooling liquid in the cooling waterway and the cooling water channel flows down in the cooling water channel, namely the cooling water channel and the cooling circuit is mixed with the cooling liquid in the cooling water area and the cooling water channel.

Besides the heat dissipation of the circuit element, the water cooling structure of the utility model can also be used for the heat dissipation of other components such as a laser head.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The water cooling structure comprises a water cooling plate main body, and is characterized in that a circulating waterway is arranged in the water cooling plate main body, the circulating waterway comprises a first main pipe (7), a second main pipe (8) and a plurality of circulating branch pipes, the upper ends of the circulating branch pipes are respectively connected to the first main pipe (7), and the lower ends of the circulating branch pipes are respectively connected to the second main pipe (8);

The water cooling plate main body is provided with a second water gap (9) and a first water gap (10), the second water gap (9) is communicated with the first main pipe (7), and the first water gap (10) is communicated with the second main pipe (8).

2. The water cooling structure according to claim 1, wherein the water cooling plate body is an integral structure, the first main pipe (7), the second main pipe (8) and the circulating branch pipe are all tapped into the water cooling plate body from the side surface of the water cooling plate body, and plugging pieces are installed in the tapping holes of the first main pipe (7), the second main pipe (8) and the circulating branch pipe.

3. The water cooling structure according to claim 1, wherein the plurality of circulation branch pipes are parallel to each other, the first main pipe (7) and the second main pipe (8) are perpendicular to the circulation branch pipes, the first main pipe (7) and the second main pipe (8) are provided with a plurality of connection ports along the length direction, and the connection ports are connected with the corresponding circulation branch pipes.

4. A water cooling structure according to claim 3, further comprising a water inlet channel (6), the water inlet channel (6) being parallel to the circulation branch, one end of the water inlet channel (6) being connected to the first main pipe, the other end of the water inlet channel (6) being the second water gap (9).

5. The water cooling structure according to claim 4, characterized in that the plurality of circulation branches and water inlets (6) are distributed evenly in the breadth of the water cooling plate body.

6. The water cooling structure according to claim 1, wherein the circulating waterway further comprises at least one cross pipe (13), and the cross pipe (13) is disposed in the middle of the circulating branch pipes and is communicated with at least two circulating branch pipes.

7. The water cooling structure according to any one of claims 1 to 6, wherein the water cooling plate body is made of aluminum alloy or copper.

8. The water cooling structure according to any one of claims 1 to 6, wherein five circulation branch pipes are provided.

9. The water cooling structure according to any one of claims 1 to 6, wherein the water cooling plate body is further provided with a plurality of heat dissipation holes (11), and the heat dissipation holes (11) are provided along a thickness direction of the water cooling plate body.

10. A cooling system comprising a water cooling structure according to any one of claims 1-9, and further comprising a water cooler and a water supply circuit, wherein the water supply port of the water supply circuit is in communication with the second water port (9), the first water port (10) is connected to the water inlet of the water cooler, and the water outlet of the water cooler is connected to the water return port of the water supply circuit.