CN220776148U - Water cooling plate structure - Google Patents

Abstract

The utility model discloses a water cooling plate structure, which comprises a water cooling plate body (100) and a cover plate (101), wherein the water cooling plate body (100) is provided with a water cooling groove (100 a), one side of the cover plate (101) is provided with a flow guide convex rib (102), the other side of the cover plate (101) is provided with a heat dissipation convex rib (103), the cover plate (101) is covered at the opening end of the water cooling groove (100 a), and the flow guide convex rib (102) is positioned in the water cooling groove (100 a) to form a water cooling flow passage. According to the water cooling plate structure, the flow guide convex ribs are directly connected with the cover plate, heat can be directly transferred to the cover plate through the flow guide convex ribs, and heat is fully dissipated; the cover plate is also provided with heat dissipation convex ribs, so that the heat dissipation area of the cover plate is increased, and the heat dissipation capacity is further improved; in addition, because the protruding muscle of water conservancy diversion and the protruding muscle of heat dissipation set up, the structural strength increase of apron, the welding is difficult for warping, guarantees the connection reliability of water-cooling plate body and apron.

Description

Water cooling plate structure

Technical Field

The utility model relates to the technical field of water cooling, in particular to a water cooling plate structure.

Background

In modern advanced driving assistance systems for automobiles, an ADAS (Advanced Driver Assistance System, advanced driving assistance system) domain controller has gradually become an intelligent core component, and is used for effectively controlling various sensors and actuators in the system, so that the requirement on the computing capability of the ADAS domain controller increases along with the increase of the functional requirements of the ADAS domain controller, and the heating power of the ADAS domain controller also increases.

The prior art carries out radiating water-cooling board to ADAS domain controller, generally includes casing and apron, and one side of casing sets up the water-cooling groove, and the opposite side is contacted with the PCB board, and the water-cooling inslot portion sets up the water conservancy diversion protruding muscle, and apron welded fastening is in the casing to closed water-cooling groove, apron and the contact of water conservancy diversion protruding muscle form the cooling runner. In the working process, after the cooling liquid in the water cooling tank exchanges heat with the PCB, heat is transferred to the cover plate through the flow guide convex ribs and then is conducted to the air through the cover plate.

However, the water cooling plate has high requirement on the flatness of the cover plate, and if the cover plate cannot be attached to the flow guide convex ribs, heat cannot be fully dissipated; in addition, the deformation of the cover plate is easy to be aggravated in the welding process of the cover plate and the shell, so that the water cooling plate has poor heat dissipation performance.

Disclosure of Invention

The utility model aims to provide a water cooling plate structure with good heat dissipation performance.

In order to solve the technical problems, the utility model provides a water cooling plate structure, which comprises a water cooling plate body and a cover plate, wherein the water cooling plate body is provided with a water cooling groove, a flow guiding convex rib is arranged on one side wall of the cover plate, a heat dissipation convex rib is arranged on the other side wall of the cover plate, the cover plate is covered at the opening end of the water cooling groove, the flow guiding convex rib is positioned in the water cooling groove, and a water cooling flow passage is formed in the water cooling groove.

According to the water cooling plate structure, the flow guide convex ribs are connected to the cover plate, the cover plate is covered on the opening end of the water cooling groove, the flow guide convex ribs are positioned in the water cooling groove to form the water cooling flow channel, the PCB is positioned on one side of the water cooling plate body opposite to the cover plate in a working state, and cooling liquid flows through the water cooling flow channel to cool the PCB; furthermore, the outer side of the cover plate is also provided with the heat dissipation convex ribs, so that the heat dissipation area of the cover plate is increased, and the heat dissipation capacity of the water cooling plate structure is further improved. In addition, owing to just set up of water conservancy diversion protruding muscle and heat dissipation protruding muscle, the structural strength of apron increases substantially, and during the welding, the apron is more difficult for warping, guarantees the connection reliability of water-cooling plate body and apron.

Optionally, a positioning groove is formed in the bottom wall of the water cooling groove, and the flow guide convex ribs are correspondingly spliced and matched with the positioning groove.

Optionally, the heat dissipation convex rib comprises a first convex rib and/or a second convex rib, the first convex rib is of an annular structure, the second convex rib is arranged inside the first convex rib, and two ends of the second convex rib are fixed with the inner wall of the first convex rib.

Optionally, the second convex rib comprises a first rib part and/or a second rib part, the first rib part extends along a first direction, the second rib part extends along a second direction, and an included angle is formed between the first direction and the second direction;

and/or the first convex rib is close to the outer edge of the cover plate, and the shape of the first convex rib is matched with the outer contour of the cover plate.

Optionally, the water cooling tank is inside to form the step face at the open end, after the apron lid closes in the water cooling tank, the inner wall of apron with the step face butt, the outer wall of apron with the corresponding lateral wall parallel and level of water-cooling plate body.

Optionally, the water cooling plate body is provided with the heat conduction boss in the side of being away from the water cooling groove.

Optionally, the PCB fixing device further comprises a bottom plate, the bottom plate is connected to the water-cooling plate body, the bottom plate is located on one side, facing away from the cover plate, of the bottom plate, a fixing space is formed between the bottom plate and the water-cooling plate body, and the fixing space is used for fixing the PCB.

Optionally, the peripheral wall of the water-cooling plate body is provided with a connecting lug, and the connecting lug is provided with a connecting hole for a connecting part to pass through so as to be fixed with the vehicle body.

Optionally, the water cooling device further comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are connected to the water cooling plate body, and the water inlet pipe and the water outlet pipe are respectively communicated with two ends of the water cooling flow channel.

Optionally, the water cooling plate body and the cover plate are welded and fixed.

Drawings

FIG. 1 is a schematic view of a water-cooled plate structure according to an embodiment of the present utility model;

FIG. 2 is a split view of the water-cooled panel structure of FIG. 1;

FIG. 3 is a schematic view of the water cooling plate body of the water cooling plate structure of FIG. 1;

FIG. 4 is a schematic view of a cover plate of the water-cooling plate structure of FIG. 1;

FIG. 5 is a schematic view of a second angle of the cover plate of FIG. 4;

wherein reference numerals in fig. 1-5 are described as follows:

100-a water-cooling plate body; 100 a-a water cooling tank; a is a step surface; 100 b-positioning grooves; 101-a cover plate; 102-a flow guiding convex rib; 103-radiating ribs; 103 a-first ribs; 103 b-first rib; 103 c-a second rib; 104-a bottom plate; 105-connecting lugs; 105 a-a connection hole; 106-a water inlet pipe; 107-a water outlet pipe;

01-PCB board.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.

The term "plurality" as used herein is typically more than two; and when "a plurality" is used to denote the number of a certain number of components, the number of components is not necessarily related to each other.

Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an embodiment of a water cooling plate structure provided by the present utility model; FIG. 2 is a split view of the water-cooled panel structure of FIG. 1; FIG. 3 is a schematic view of the water cooling plate body of the water cooling plate structure of FIG. 1; FIG. 4 is a schematic view of a cover plate of the water-cooling plate structure of FIG. 1; fig. 5 is a schematic view of a second angle of the cover plate of fig. 4.

The utility model provides a water cooling plate structure, which comprises a water cooling plate body 100 and a cover plate 101, wherein the water cooling plate body 100 is provided with a water cooling groove 100a, a flow guide convex rib 102 is arranged on one side wall of the cover plate 101, a heat dissipation convex rib 103 is arranged on the other side wall of the cover plate 101, the cover plate 101 is covered on the opening end of the water cooling groove 100a, the flow guide convex rib 102 is positioned in the water cooling groove 100a, and a water cooling flow channel is formed in the water cooling groove 100 a.

According to the water cooling plate structure, the flow guide ribs 102 are connected to the cover plate 101, after the cover plate 101 is covered on the opening end of the water cooling tank 100a, the flow guide ribs 102 are positioned in the water cooling tank 100a to form a water cooling flow channel, in a working state, the PCB (Printed Circuit Board, flexible circuit board) 01 is positioned on one side of the water cooling plate body 100, which is opposite to the cover plate 101, and cooling liquid flows through the water cooling flow channel to cool the PCB 01, and because the flow guide ribs 102 are inserted in the cooling liquid, generated heat can be directly transferred to the cover plate 101 through the flow guide ribs 102 and then transferred to the air, so that the problem that heat cannot be fully dissipated due to the fact that the cover plate and the flow guide ribs cannot be attached to each other in the prior art can be solved; further, the heat dissipation ribs 103 are further arranged on the outer side of the cover plate 101, so that the heat dissipation area of the cover plate 101 is increased, and the heat dissipation capacity of the water cooling plate structure is further improved.

In addition, due to the arrangement of the flow guide ribs 102 and the heat dissipation ribs 103, the structural strength of the cover plate 101 is greatly increased, and the cover plate 101 is not easy to deform during welding, so that the connection reliability of the water cooling plate body 100 and the cover plate 101 is ensured.

As described above, the water-cooling plate body 100 and the cover plate 101 are preferably fixed by welding, ensuring reliable sealing of the water-cooling tank 100 a.

The cover plate 101 and the heat dissipating ribs 103 may be integrally formed or split, and then welded and fixed together.

The cover plate 101 and the flow guiding ribs 102 may be formed integrally or be formed separately and welded together.

As shown in fig. 2 and 3, a positioning groove 100b is provided on the bottom wall of the water cooling groove 100a, and after the cover plate 101 is covered on the opening end of the water cooling groove 100a, the flow guiding ribs 102 are correspondingly inserted and matched with the positioning groove 100 b.

In this way, the positioning groove 100b can play a role in positioning the flow guide ribs 102, so that the positioning performance of the cover plate 101 can be improved in the welding process, and the connection reliability of the water cooling plate body 100 and the cover plate 101 is ensured; meanwhile, as the flow guide convex ribs 102 are correspondingly inserted and matched with the positioning grooves 100b, the vibration characteristic of the water cooling plate structure is also obviously enhanced.

With continued reference to fig. 4, in this embodiment, the heat dissipating rib 103 includes a first rib 103a and a second rib, the first rib 103a is close to the outer edge of the cover plate 101, the first rib 103a is an annular structure matched with the outer contour of the cover plate 101, the second rib is disposed inside the first rib 103a, and two ends of the second rib are fixed to the inner wall of the first rib 103 a.

In this way, the first ribs 103a and the second ribs form an integral structure, and the structural strength of the cover plate 101 is effectively increased while the heat dissipation capability of the water-cooling plate structure is improved.

The second protruding rib includes a plurality of first rib portions 103b and a plurality of second rib portions 103c, the first rib portions 103b extend along a first direction, the second rib portions 103c extend along a second direction, and the first direction and the second direction are perpendicular to each other.

It will be appreciated that in practical applications, it is also possible that the second rib includes only the first rib portion 103b, or only the second rib portion 103c, which also plays a role in improving the heat dissipation capability of the water-cooling plate structure and increasing the structural strength of the cover plate 101.

Meanwhile, the number of the first rib portions 103b and the second rib portions 103c is not limited, for example, the number of the first rib portions 103b may be at least one, the number of the second rib portions 103c may be at least one, and when the first rib portions 103b and the second rib portions 103c are simultaneously arranged, the two are not limited to the mutually perpendicular arrangement mode, and the first rib portions 103b and the second rib portions 103c have a certain included angle.

Meanwhile, in practical application, it is also feasible that the heat dissipating ribs 103 only include the first ribs 103a or only include the second ribs, which also can play a role in improving the heat dissipating capability of the water cooling plate structure and increasing the structural strength of the cover plate 101.

In addition, the shape and the number of the first ribs 103a are not limited to the above embodiment, and the first ribs 103a may be annular, for example, the number of the heat dissipation ribs 103 including the first ribs 103a may be two, and the two first ribs 103a are both rectangular, and the two first ribs 103a are distributed along the length direction of the cover plate 101.

As shown in fig. 3, a step surface a is formed at the opening end inside the water cooling tank 100a, and after the cover plate 101 is covered on the water cooling tank 100a, the inner wall of the cover plate 101 abuts against the step surface a, and the outer wall of the cover plate 101 is flush with the corresponding side wall of the water cooling plate body 100.

As set up above, the cover plate 101 is embedded in the water cooling tank 100a, so that the positioning effect on the cover plate 101 can be achieved in the welding process, and the positioning reliability of the cover plate 101 is ensured; after the processing is finished, the cover plate 101 does not occupy the external space independently, the volume and the space occupation of the water cooling plate structure are reduced, and the installation is convenient.

Further, the water cooling plate body 100 is further provided with a heat conducting boss (not shown in the figure) on a side facing away from the water cooling tank 100a, and the heat conducting boss is used for contacting with a chip in the PCB 01 so as to radiate heat of the chip, thereby improving heat exchange efficiency and cooling effect of the chip.

It can be understood that in practical application, the design position of the heat conducting boss can be adjusted according to the position of the chip in the PCB 01.

In this embodiment, the heat conduction boss and the water cooling plate body 100 are integrally formed.

In practical application, heat conduction boss and water-cooling plate body 100 can also be split structure, if heat conduction boss adopts integrative die casting shaping, including the connecting plate to and be located a plurality of boss bodies of connecting plate one side, the boss body is used for laminating with the chip, and the connecting plate is fixed through heat conduction glue and water-cooling plate body 100 bonding dorsad boss body's one side.

On the one hand, the processing technology of the heat conduction boss is simplified, the processing cost is reduced, and the structure of the heat conduction boss and the water cooling plate body 100 are more convenient and quicker to install due to the integrally formed structure, so that the working efficiency is improved; on the other hand, the connecting plate is fixedly connected with the water-cooling plate body 100 through heat conduction glue, and the heat conduction glue is used for conducting heat between the connecting plate and the water-cooling plate body 100, so that the heat conduction efficiency is improved, and the heat dissipation efficiency of the chip is further improved.

As shown in fig. 2, in this embodiment, the water-cooling plate structure further includes a bottom plate 104, the bottom plate 104 is connected to the water-cooling plate body 100, the bottom plate 104 is located at a side facing away from the cover plate 101, and a fixing space is formed between the bottom plate 104 and the water-cooling plate body 100, and the fixing space is used for fixing the PCB board 01.

In this way, the bottom plate 104 can serve to fix the PCB 01 to the water-cooled plate body 100. In practical application, the PCB 01 is attached to the corresponding side wall of the water-cooling plate body 100 through heat-conducting glue, so that the cooling liquid and the PCB 01 can exchange heat fully.

The connection mode between the bottom plate 104 and the water-cooled plate body 100 is not limited, for example, the bottom plate and the water-cooled plate body may be fixedly connected by bolts, or fastened, and the detachable connection mode is preferred, so that the PCB 01 is convenient to be disassembled and assembled.

With continued reference to fig. 2, the water-cooled panel body 100 is provided with a connecting lug 105 on a peripheral wall thereof, and the connecting lug 105 is provided with a connecting hole 105a for a connecting member to pass through for fixing with a vehicle body.

As the water cooling plate structure is fixed with the vehicle body by adopting the connecting part, the connection is reliable, and the disassembly and the assembly are convenient.

In practical application, the number of the connecting lugs 105 is not limited, so long as the connection stability of the water cooling plate structure and the vehicle body can be ensured.

The connecting member may be a screw or the like.

The connecting lugs 105 and the water-cooling plate body 100 may be integrally formed.

With continued reference to fig. 2 and 3, the water cooling plate structure further includes a water inlet pipe 106 and a water outlet pipe 107, the water inlet pipe 106 and the water outlet pipe 107 are connected to the water cooling plate body 100, and the water inlet pipe 106 and the water outlet pipe 107 are respectively communicated with two ends of the water cooling flow channel.

In this way, the water inlet pipe 106 is far away from one end of the water cooling plate body 100 to form a water inlet, the water outlet pipe 107 is far away from one end of the water cooling plate body 100 to form a water outlet, and in a working state, cooling liquid enters the water cooling flow passage through the water inlet pipe 106 to exchange heat with the PCB 01, and is discharged through the water outlet pipe 107 after heat exchange.

The water inlet pipe 106 and the water outlet pipe 107 may be fixed to the water cooling plate body 100 by welding, or may be in a threaded connection manner, for example, the water cooling plate body 100 is correspondingly provided with a threaded connection hole, the outer peripheral walls of the water inlet pipe 106 and the water outlet pipe 107 are provided with matched external threads, and the water inlet pipe 106 and the water outlet pipe 107 are inserted into the corresponding threaded connection holes and are screwed and fixed.

In addition, in this embodiment, the number of the water-cooling channels is multiple, wherein part of the water-cooling channels are in a U-shaped structure and are nested from inside to outside, so that the cooling liquid in each water-cooling channel can flow through rapidly, and the cooling efficiency is improved.

It is understood that in practical applications, the water cooling channel is not limited to the above embodiments, for example, the guide ribs 102 and the positioning grooves 100b may be distributed in a serpentine shape, and a serpentine water cooling channel is formed after installation.

The foregoing has outlined a detailed description of a water cooled panel structure provided by the present utility model, and specific examples have been provided herein to illustrate the principles and embodiments of the present utility model, the above examples being provided only to assist in understanding the method and core concepts of the present utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. The utility model provides a water-cooling plate structure, its characterized in that, includes water-cooling plate body (100) and apron (101), water-cooling plate body (100) are provided with water-cooling tank (100 a), one side lateral wall of apron (101) is provided with water conservancy diversion protruding muscle (102), the opposite side lateral wall of apron (101) is provided with heat dissipation protruding muscle (103), apron (101) lid close in the open end of water-cooling tank (100 a), water conservancy diversion protruding muscle (102) are located inside water-cooling tank (100 a) water-cooling runner is inside to form in water-cooling tank (100 a).

2. The water cooling plate structure according to claim 1, wherein a positioning groove (100 b) is arranged at the bottom wall of the water cooling groove (100 a), and the flow guiding ribs (102) are correspondingly inserted and matched with the positioning groove (100 b).

3. The water cooling plate structure according to claim 1, wherein the heat dissipation ribs (103) comprise first ribs (103 a) and/or second ribs, the first ribs (103 a) are of an annular structure, the second ribs are arranged inside the first ribs (103 a), and two ends of the second ribs are fixed with the inner wall of the first ribs (103 a).

4. A water cooled panel structure according to claim 3, wherein the second ribs comprise first ribs (103 b) and/or second ribs (103 c), the first ribs (103 b) extending in a first direction, the second ribs (103 c) extending in a second direction, the first direction and the second direction having an angle therebetween;

and/or, the first ribs (103 a) are close to the outer edge of the cover plate (101), and the shape of the first ribs (103 a) is matched with the outer contour of the cover plate (101).

5. The water cooling plate structure according to any one of claims 1 to 4, wherein a step surface (a) is formed at an opening end inside the water cooling groove (100 a), after the cover plate (101) is covered on the water cooling groove (100 a), an inner wall of the cover plate (101) is abutted to the step surface (a), and an outer wall of the cover plate (101) is flush with a corresponding side wall of the water cooling plate body (100).

6. The water cooling plate structure according to any one of claims 1-4, characterized in that the water cooling plate body (100) is provided with a heat conducting boss at a side facing away from the water cooling tank (100 a).

7. The water cooling plate structure according to any one of claims 1-4, further comprising a bottom plate (104), wherein the bottom plate (104) is connected to the water cooling plate body (100), the bottom plate (104) is located at a side facing away from the cover plate (101), and a fixing space is formed between the bottom plate (104) and the water cooling plate body (100), and is used for fixing the PCB board (01).

8. The water-cooling plate structure according to any one of claims 1 to 4, wherein the peripheral wall of the water-cooling plate body (100) is provided with a connection lug (105), and the connection lug (105) is provided with a connection hole (105 a) for a connection member to pass through for fixing with a vehicle body.

9. The water cooling plate structure according to any one of claims 1-4, further comprising a water inlet pipe (106) and a water outlet pipe (107), wherein the water inlet pipe (106) and the water outlet pipe (107) are connected to the water cooling plate body (100), and the water inlet pipe (106) and the water outlet pipe (107) are respectively communicated with two ends of the water cooling flow channel.

10. The water cooling plate structure according to any one of claims 1-4, wherein the water cooling plate body (100) and the cover plate (101) are welded and fixed.