Liquid cooling plate structure for die casting

Abstract

The utility model discloses a die casting liquid cooling plate structure, which increases the heat dissipation power of a liquid cooling plate and ensures reliable heat dissipation of a vehicle machine chip on the premise of not increasing the area of the liquid cooling plate. The heat exchanger comprises a shell, the shell comprises a concave heat exchange cavity, at least one barrier strip is arranged in the heat exchange cavity, so that a single-path wiring flow channel is formed in the heat exchange cavity, liquid inlet and outlet holes are formed in the positions, corresponding to the starting end and the tail end of the single-path wiring flow channel, of the shell respectively, and a plurality of upper convex columns are further arranged in the heat exchange cavity; an upper cover; each heat exchange module comprises a bottom plate and a stacked fin or form relieved tooth structure on the upper surface; and a pair of water nozzles.

Description

Technical Field

[0001] This utility model relates to the technical field of liquid cooling plate structures, specifically a liquid cooling plate structure for die castings. Background Technology

[0002] With the increasing penetration and popularization of automotive intelligence and connectivity, the proportion of automotive electronic and electrical components in automobiles is gradually increasing. The autonomous driving domain controller is responsible for realizing and controlling the autonomous driving functions of the vehicle. It needs to possess the ability to receive image information, process and judge image information, process and calculate data, provide navigation and route planning, and quickly judge and make decisions based on real-time situations. It needs to handle algorithms at the perception, decision-making, and control levels, placing the highest demands on both the hardware and software of the domain controller.

[0003] For autonomous driving and cockpit domain controllers, the performance requirements of chips are very high. Existing chips all require liquid cooling plates for cooling. However, the existing liquid cooling plates only use die-cast protrusions to conduct heat in their inner cavity. In actual use, there will be insufficient power consumption, which will require increasing the volume of the entire liquid cooling plate. This results in a large space occupied by the liquid cooling part, which restricts the layout of other components in the vehicle. In order to make reasonable arrangements of components in the vehicle, there is an urgent need to develop a corresponding liquid cooling plate structure that increases the heat dissipation power of the liquid cooling plate without changing the area occupied. Utility Model Content

[0004] To address the aforementioned issues, this invention provides a die-cast liquid cooling plate structure that increases the heat dissipation power of the liquid cooling plate without increasing its area, thus ensuring reliable heat dissipation for the vehicle's infotainment chip.

[0005] A liquid cooling plate structure for die casting, characterized in that it comprises:

[0006] The shell includes a concave heat exchange cavity, wherein at least one baffle is provided in the heat exchange cavity to form a single-path flow channel, and the shell is provided with liquid inlet and outlet holes corresponding to the beginning and end of the single-path flow channel, and a plurality of upper protruding pillars are also provided in the heat exchange cavity.

[0007] Top cover;

[0008] At least one heat exchange module, each heat exchange module including a base plate and a stacked fin or toothed structure on the upper surface;

[0009] And a pair of water taps;

[0010] The bottom surface of the heat exchange chamber of the shell is provided with a recessed base plate positioning groove corresponding to the preset position of the heat exchange module. The base plate positioning groove is arranged in the shape of the corresponding base plate. The base plate of the corresponding heat exchange module is embedded in the corresponding base plate positioning groove and connected by annular spot laser welding. Two water nozzles are respectively inserted into the corresponding liquid inlet and outlet holes and protrude outward. The upper cover is installed on the upper part of the heat exchange chamber and welded to the shell to form an integral structure. The stacked fins or spade tooth structure on the heat exchange module is used to increase the heat exchange area of ​​the medium.

[0011] Its further features are:

[0012] A baffle bar is provided inside the heat exchange cavity, which divides the heat exchange cavity into two symmetrically arranged flow channel cavities and a turning flow channel cavity. The upper surface of the baffle bar is provided with an upwardly protruding positioning strip. The back of the upper cover is provided with a contoured concave positioning cavity corresponding to the position of the upwardly protruding positioning strip. When the upper cover is installed on the shell, the upwardly protruding positioning strip is inserted into the contoured concave positioning cavity. The upwardly protruding positioning strip and the contoured concave positioning cavity are tightly fitted and connected by annular spot laser welding, which ensures that the medium flow direction is unidirectional and stable.

[0013] The housing has a concave contour edge corresponding to the edge of the top cover, and a stop platform is provided on the inner side of the housing corresponding to the concave contour edge. The bottom edge of the top cover is supported on the stop platform at the corresponding position. The edge of the top cover and the concave contour edge are tightly fitted and positioned. The tight fit gap between the edge of the top cover and the concave contour edge is formed into an integral structure by annular spot laser welding.

[0014] The deflection channel cavity is equipped with guide arc strips, which ensure that the flow direction impact force of the medium is small.

[0015] By adopting the technology of this utility model, the heat exchange module is manufactured independently. Several sets of stacked fins or toothed structures, whether complex or simple, are set as needed. The base plate of the heat exchange module is embedded and welded to the corresponding base plate positioning groove of the heat exchange cavity, so that the corresponding heat exchange module is integrated in the heat exchange cavity. Since the heat exchange area of ​​the stacked fins or toothed structures in a unit area is greater than the surface area of ​​the upper convex column, it increases the heat dissipation power of the liquid cooling plate without increasing the area of ​​the liquid cooling plate, ensuring reliable heat dissipation of the vehicle chip. Moreover, the annular spot laser welding ensures the reliable assembly of the entire structure. Attached Figure Description

[0016] Figure 1 This is an exploded view of a specific embodiment of the present invention.

[0017] Figure 2 This is a three-dimensional schematic diagram of a heat exchange module according to a specific embodiment of the present invention;

[0018] Figure 3 This is a perspective view of the back of the top cover according to a specific embodiment of the present utility model;

[0019] Figure 4 This is a perspective view of a specific embodiment of the present utility model;

[0020] The names corresponding to the serial numbers in the diagram are as follows:

[0021] 10. Shell, 11. Base plate positioning groove, 12. Concave contour edge, 13. Stop platform, 14. Upper convex column, 15. Partition strip, 16. Upper convex positioning strip, 17. Guide arc strip, 20. Top cover, 21. Concave contour positioning cavity, 30. Heat exchange module, 31. Base plate, 32. Shovel tooth structure, 40. Water nozzle. Detailed Implementation

[0022] A liquid cooling plate structure for die casting, see Figures 1-4 It includes a housing 10, a top cover 20, at least one heat exchange module 30, and a pair of water nozzles 40;

[0023] The shell 10 includes a concave heat exchange cavity, and at least one baffle 15 is provided in the heat exchange cavity to form a single-path flow channel. The shell 10 is provided with liquid inlet and outlet holes corresponding to the beginning and end of the single-path flow channel, and a number of upper protrusions 14 are also provided in the heat exchange cavity.

[0024] Each heat exchange module 30 includes a base plate 31 and a stacked fin or toothed structure on the upper surface.

[0025] In a specific embodiment, a baffle 15 is provided inside the heat exchange cavity, which divides the heat exchange cavity into two symmetrically arranged flow channel cavities and a turning flow channel cavity to form a U-shaped flow channel.

[0026] A heat exchange module 30 is provided inside the heat exchange chamber. The heat exchange module 30 includes a base plate 31 and a toothed structure 32 on the upper surface.

[0027] The bottom surface of the heat exchange chamber of the shell 10 is provided with a recessed bottom plate positioning groove 11 corresponding to the preset position of the heat exchange module 30. The bottom plate positioning groove 11 is arranged in the shape of the corresponding bottom plate 31. The bottom plate 31 of the heat exchange module 30 is embedded in the bottom plate positioning groove 11 and connected by annular spot laser welding.

[0028] Two water nozzles 40 are respectively inserted into the corresponding inlet and outlet holes and then protruded outwards;

[0029] The upper surface of the baffle 15 is provided with an upwardly protruding positioning strip 16. The back of the upper cover 20 is provided with a contoured concave positioning cavity 21 corresponding to the position of the upwardly protruding positioning strip 16. When the upper cover 20 is installed on the housing 10, the upwardly protruding positioning strip 16 is inserted into the contoured concave positioning cavity 21. The upwardly protruding positioning strip 16 and the contoured concave positioning cavity 21 are tightly fitted and connected by annular spot laser welding, which ensures that the medium flow direction is single and stable.

[0030] The housing 10 is provided with a concave contour edge 12 corresponding to the edge of the upper cover 20. The housing 10 is provided with a stop platform 13 on the inner side of the concave contour edge 12. The bottom edge of the upper cover 20 is supported on the stop platform 13 at the corresponding position. The edge of the upper cover 20 and the concave contour edge 12 are tightly fitted and positioned. The tight fit gap between the edge of the upper cover 20 and the concave contour edge 12 is formed into an integral structure by annular spot laser welding.

[0031] The diversion channel cavity is equipped with a guide arc strip 17, which ensures that the flow direction of the medium has a small impact force.

[0032] Its working principle is as follows: The heat exchange module is manufactured independently, and several sets of stacked fins or spade-tooth structures are set as needed, whether complex or simple. The base plate of the heat exchange module is embedded and welded to the corresponding positioning groove of the heat exchange cavity, so that the corresponding heat exchange module is integrated in the heat exchange cavity. Since the heat exchange area of ​​the stacked fins or spade-tooth structure in a unit area is greater than the surface area of ​​the upper convex column, it increases the heat dissipation power of the liquid cooling plate without increasing the area of ​​the liquid cooling plate, ensuring reliable heat dissipation of the vehicle chip. The ring-shaped laser welding ensures the reliable assembly of the entire structure.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0034] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A liquid cooling plate structure for die-cast parts, characterized in that, It includes: The shell includes a concave heat exchange cavity, wherein at least one baffle is provided in the heat exchange cavity to form a single-path flow channel, and the shell is provided with liquid inlet and outlet holes corresponding to the beginning and end of the single-path flow channel, and a plurality of upper protruding pillars are also provided in the heat exchange cavity. Top cover; At least one heat exchange module, each heat exchange module including a base plate and a stacked fin or toothed structure on the upper surface; And a pair of water taps; The bottom surface of the heat exchange chamber of the shell is provided with a recessed base plate positioning groove corresponding to the preset position of the heat exchange module. The base plate positioning groove is arranged in the shape of the corresponding base plate. The base plate of the corresponding heat exchange module is embedded in the corresponding base plate positioning groove and connected by annular spot laser welding. Two water nozzles are respectively inserted into the corresponding liquid inlet and outlet holes and protrude outward. The upper cover is installed on the upper part of the heat exchange chamber and welded to the shell to form an integral structure. The stacked fins or spade tooth structure on the heat exchange module is used to increase the heat exchange area of ​​the medium.

2. The liquid cooling plate structure for die castings according to claim 1, characterized in that: A baffle bar is provided inside the heat exchange cavity, which divides the heat exchange cavity into two symmetrically arranged flow channel cavities and a turning flow channel cavity. The upper surface of the baffle bar is provided with an upwardly protruding positioning strip. The back of the upper cover is provided with a contoured concave positioning cavity corresponding to the position of the upwardly protruding positioning strip. When the upper cover is installed on the shell, the upwardly protruding positioning strip is inserted into the contoured concave positioning cavity. The upwardly protruding positioning strip and the contoured concave positioning cavity are tightly fitted and connected by annular spot laser welding.

3. The liquid cooling plate structure for die castings according to claim 1, characterized in that: The housing has a concave contour edge corresponding to the edge of the top cover, and a stop platform is provided on the inner side of the housing corresponding to the concave contour edge. The bottom edge of the top cover is supported on the stop platform at the corresponding position. The edge of the top cover and the concave contour edge are tightly fitted and positioned. The tight fit gap between the edge of the top cover and the concave contour edge is formed into an integral structure by annular spot laser welding.

4. The liquid cooling plate structure for die castings according to claim 2, characterized in that: The steering flow channel cavity is provided with guide arc strips.

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