Water cooling device for automatic driving domain controller

Abstract

The utility model relates to the technical field of water cooling devices, and discloses an automatic driving domain controller water cooling device which comprises a controller body, an automatic driving chip arranged in a cavity of the controller body, and a water cooling head assembly arranged in the cavity of the controller body and used for cooling the chip. The water-cooling head assembly comprises a first water-cooling head and a second water-cooling head, a water tank is fixedly installed at the top end of the outer wall face of the controller body, a cooling fan is arranged above the controller body, a water inlet pipe and a water outlet pipe are arranged between the water tank and the first water-cooling head, and a clamping structure is arranged between the first water-cooling head and the second water-cooling head. According to the device, the water cooling head assembly, the first water cooling head and the second water cooling head are arranged, heat dissipation work can be carried out on a plurality of chips in the controller body cavity, a clamping structure is arranged between the first water cooling head and the second water cooling head, the device can also be compatible with heat dissipation work of a single chip, and the practicability of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water cooling devices, and in particular to a water cooling device for an autonomous driving domain controller. Background Art

[0002] Water cooling is a method of dissipating heat by transferring the heat generated by the chip absorbed by the heat sink to a larger heat sink through the circulation of liquid through a liquid circulation device. Water cooling has high efficiency and its thermal conductivity is more than 20 times that of traditional air cooling. At present, autonomous driving systems are becoming more and more complex. In order to improve the computing power of autonomous driving domain controllers, designers integrate multiple chips into autonomous driving domain controllers, resulting in increasing power of domain controllers. As the power increases, the heat generated by the controller increases, and traditional air cooling cannot meet the demand. In addition, some domain controllers are also equipped with multiple integrated chipsets. Traditional water cooling radiators only have one water cooling head, which cannot meet the usage requirements.

[0003] To this end, those skilled in the art provide a water cooling device for an autonomous driving domain controller to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a water cooling device for an autonomous driving domain controller.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water cooling device for an autonomous driving domain controller, comprising a controller body, an autonomous driving chip is arranged in a cavity of the controller body, a water cooling head assembly for cooling the chip is arranged in the cavity of the controller body, the water cooling head assembly comprises a first water cooling head and a second water cooling head, a heat conducting sheet is arranged between the first water cooling head and the second water cooling head and the chip, a layer of silicone grease is applied on the side of the heat conducting sheet close to the chip, a water tank is fixedly installed on the top of the outer wall surface of the controller body, a cooling fan for dissipating heat from the water tank is arranged above the controller body, the water tank is hollow, and a coolant is filled in the cavity of the water tank, a water inlet pipe and a water outlet pipe are arranged between the water tank and the first water cooling head, and a clamping structure is arranged between the first water cooling head and the second water cooling head; the clamping structure is a rectangular groove opened on the wall surface of one side of the second water cooling head, a first fixed block is fixedly installed on the wall surface of one side of the heat conducting sheet at the position corresponding to the rectangular groove, and the first fixed block is movably clamped in the rectangular groove.

[0006] Preferably, heat dissipation grooves are provided on a wall surface of one side of the water tank away from the controller body, and the heat dissipation grooves are distributed at equal intervals.

[0007] Preferably, both ends of the water inlet pipe and the water outlet pipe are fixedly connected to the water tank and the first water cooling head respectively, a first water tank is provided in the cavity of the first water cooling head, and the coolant in the water tank cavity enters into the first water tank through the water inlet pipe and flows back into the cavity of the water tank through the water outlet pipe.

[0008] Preferably, a first water pump and a second water pump are fixedly installed on the top wall of the first water cooling head, a first threaded through hole for fixing is penetrated between the top and bottom walls of the first fixing block, and second fixing blocks are fixedly installed on the side walls opposite to each other of the second water cooling head, and a second threaded through hole for fixing is penetrated between the top and bottom walls of the second fixing block.

[0009] Preferably, a limiting hole is provided on a side of the top wall of the second water cooling head close to the first water cooling head, and the limiting hole is connected to the rectangular groove below.

[0010] Preferably, a screw is movably inserted into the limiting hole, the first fixing block is movably engaged in the corresponding rectangular groove, and the screw in the limiting hole above the rectangular groove is movably inserted into the corresponding first threaded through hole.

[0011] Preferably, two water pipe connecting columns are fixedly installed on the top wall of the second water cooling head, a second water tank is opened in the cavity of the second water cooling head, the two water pipe connecting columns are connected with the second water tank, and connecting pipes are arranged between the first water pump and the second water pump and the corresponding water pipe connecting columns.

[0012] Beneficial Effects

[0013] The utility model provides a water cooling device for an autonomous driving domain controller. It has the following beneficial effects:

[0014] (1) This is a water cooling device for an autonomous driving domain controller. As the computing power required for autonomous driving becomes higher and higher, more and more controller bodies are equipped with more than one chip. Compared with traditional water cooling devices, which only have one water cooling head and cannot meet the heat dissipation needs of multiple chips, this device is provided with a water cooling head assembly. The first water cooling head and the second water cooling head can dissipate heat for multiple chips in the controller body cavity. By providing a snap-fit ​​structure between the first water cooling head and the second water cooling head, this device can also be compatible with the heat dissipation of a single chip, thereby further improving the practicality of the device.

[0015] (2) In the water cooling device of the autonomous driving domain controller, when it is necessary to engage the first water cooling head with the second water cooling head, the first fixing block is inserted into the corresponding rectangular groove on the second water cooling head, and then a screw is movably inserted through the limiting hole and the first threaded through hole of the first fixing block below, thereby completing the engagement of the first water cooling head with the second water cooling head. The operation is simple. When there are multiple chips in the controller body, the device can dissipate heat for the remaining chips by setting the second water cooling head, fix the heat conductive plate by setting the first fixing block, and fix the second water cooling head by setting the second fixing block, thereby meeting the heat dissipation requirements.

[0016] (3) The water cooling device of the autonomous driving domain controller is provided with a hollow water tank, the cavity of which can be filled with coolant. Heat dissipation grooves are opened on the wall of the water tank away from the controller body. The heat dissipation grooves are distributed at equal intervals, which can increase the heat dissipation area and improve the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure after installation of a water cooling device for an autonomous driving domain controller of the utility model;

[0018] Figure 2 This is a schematic diagram of the water tank structure of a water cooling device for an autonomous driving domain controller of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of a water tank of a water cooling device for an autonomous driving domain controller of the utility model;

[0020] Figure 4 This is a three-dimensional structural schematic diagram of a water cooling head assembly of a water cooling device for an autonomous driving domain controller of the utility model;

[0021] Figure 5 This is a schematic diagram of the first water cooling head and the second water cooling head of a water cooling device for an autonomous driving domain controller of the utility model after being engaged;

[0022] Figure 6 This is a schematic cross-sectional view of a first water cooling head of a water cooling device for an autonomous driving domain controller of the utility model;

[0023] Figure 7 It is a schematic longitudinal section diagram of a second water cooling head of a water cooling device for an autonomous driving domain controller of the utility model;

[0024] Figure 8 This is a schematic diagram of the working principle of a water cooling device for an autonomous driving domain controller of the utility model.

[0025] Legend:

[0026] 10. Controller body; 11. Water tank; 12. Cooling fan; 13. Heat sink; 15. First water cooling head; 16. Water inlet pipe; 17. Water outlet pipe; 18. Heat conducting plate; 19. First fixing block; 20. Second water cooling head; 21. Second fixing block; 22. Rectangular groove; 23. Limiting hole; 24. First water pump; 25. Second water pump; 26. First water tank; 27. Second water tank. DETAILED DESCRIPTION

[0027] like Figure 1-8 As shown: A water cooling device for an autonomous driving domain controller includes a controller body 10, an autonomous driving chip is arranged in the cavity of the controller body 10, a water cooling head assembly for cooling the chip is arranged in the cavity of the controller body 10, the water cooling head assembly includes a first water cooling head 15 and a second water cooling head 20, a heat conducting sheet 18 is arranged between the first water cooling head 15 and the second water cooling head 20 and the chip, a layer of silicone grease is applied on the side of the heat conducting sheet 18 close to the chip, a water tank 11 is fixedly installed on the top of the outer wall of the controller body 10, and the controller body 1 0 is provided with a cooling fan 12 for cooling the water tank 11. The water tank 11 is hollow. The cavity of the water tank 11 is filled with coolant. A water inlet pipe 16 and a water outlet pipe 17 are provided between the water tank 11 and the first water cooling head 15. A clamping structure is provided between the first water cooling head 15 and the second water cooling head 20. The clamping structure is a rectangular groove 22 provided on a side wall of the second water cooling head 20. A first fixing block 19 is fixedly installed on a side wall of the heat conducting sheet 18 at a position corresponding to the rectangular groove 22. The first fixing block 19 is movably clamped in the rectangular groove 22.

[0028] Specifically, as the computing power required for autonomous driving becomes higher and higher, more and more controller bodies 10 are installed with more than one chip. Compared with traditional water cooling devices, only one water cooling head cannot meet the heat dissipation needs of multiple chips. The present device sets a water cooling head assembly. The first water cooling head 15 and the second water cooling head 20 can dissipate heat for multiple chips in the cavity of the controller body 10. By setting a locking structure between the first water cooling head 15 and the second water cooling head 20, the present device can also be compatible with the heat dissipation of a single chip, thereby further improving the practicality of the device.

[0029] A heat dissipation groove 13 is formed on a wall surface of the water tank 11 which is away from the controller body 10 , and the heat dissipation grooves 13 are distributed at equal intervals.

[0030] Specifically, by setting up a water tank 11, the water tank 11 is hollow, and the cavity of the water tank 11 can be filled with coolant. Heat dissipation grooves 13 are opened on the side wall of the water tank 11 away from the controller body 10. The heat dissipation grooves 13 are distributed at equal intervals, which can increase the heat dissipation area and improve the heat dissipation efficiency.

[0031] The two ends of the water inlet pipe 16 and the water outlet pipe 17 are fixedly connected to the water tank 11 and the first water cooling head 15 respectively. A first water tank 26 is opened in the cavity of the first water cooling head 15. The coolant in the cavity of the water tank 11 enters the first water tank 26 through the water inlet pipe 16 and flows back to the cavity of the water tank 11 through the water outlet pipe 17.

[0032] Specifically, the water tank 11 is connected to the first water cooling head 15 by setting a water inlet pipe 16 and a water outlet pipe 17. The coolant in the cavity of the water tank 11 enters the first water tank 26 through the water inlet pipe 16 and flows back to the cavity of the water tank 11 through the water outlet pipe 17, completing a closed loop.

[0033] The first water pump 24 and the second water pump 25 are fixedly installed on the top wall of the first water cooling head 15, a first threaded through hole for fixing is provided between the top and bottom walls of the first fixing block 19, and a second fixing block 21 is fixedly installed on the opposite side walls of the second water cooling head 20, and a second threaded through hole for fixing is provided between the top and bottom walls of the second fixing block 21. A limiting hole 23 is provided on the top wall of the second water cooling head 20 close to the first water cooling head 15, and the limiting hole 23 is connected with the rectangular groove 22 below. A screw is movably inserted into the limiting hole 23, and the first fixing block 19 is movably engaged in the corresponding rectangular groove 22, and the screw in the limiting hole 23 above the rectangular groove 22 is movably inserted into the corresponding first threaded through hole.

[0034] Specifically, when it is necessary to engage the first water-cooling head 15 and the second water-cooling head 20, the first fixing block 19 is inserted into the corresponding rectangular groove 22 on the second water-cooling head 20, and then a screw is used to movably penetrate the limiting hole 23 and the first threaded through hole of the first fixing block 19 below, thereby completing the engagement of the first water-cooling head 15 and the second water-cooling head 20. The operation is simple. When there are multiple chips in the controller body 10, the device can dissipate heat for the remaining chips by setting the second water-cooling head 20, the heat conductive sheet 18 can be fixed by setting the first fixing block 19, and the second water-cooling head 20 can be fixed by setting the second fixing block 21, thereby meeting the heat dissipation requirements.

[0035] Two water pipe connecting columns are fixedly installed on the top wall of the second water cooling head 20, a second water tank 27 is opened in the cavity of the second water cooling head 20, the two water pipe connecting columns are connected with the second water tank 27, and connecting pipes are arranged between the first water pump 24 and the second water pump 25 and the corresponding water pipe connecting columns.

[0036] Specifically, by setting two water pipe connecting columns on the top wall of the second water cooling head 20, connecting pipes are set between the first water pump 24 and the second water pump 25 at the top of the first water cooling head 15 and the corresponding water pipe connecting columns, and the coolant passes through the second water tank 27 in the cavity of the second water cooling head 20 to ensure the heat dissipation effect of the second water cooling head 20.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A water cooling device for an autonomous driving domain controller, comprising a controller body (10), wherein an autonomous driving chip is arranged in a cavity of the controller body (10), characterized in that: A water cooling head assembly for cooling the chip is arranged in the cavity of the controller body (10), and the water cooling head assembly comprises a first water cooling head (15) and a second water cooling head (20), a heat conducting sheet (18) is arranged between the first water cooling head (15) and the second water cooling head (20) and the chip, and a layer of silicone grease is applied on the side of the heat conducting sheet (18) close to the chip, a water tank (11) is fixedly installed on the top of the outer wall surface of the controller body (10), a cooling fan (12) for dissipating heat from the water tank (11) is arranged above the controller body (10), the water tank (11) is hollow, and a cooling liquid is filled in the cavity of the water tank (11), a water inlet pipe (16) and a water outlet pipe (17) are arranged between the water tank (11) and the first water cooling head (15), and a clamping structure is arranged between the first water cooling head (15) and the second water cooling head (20); The engaging structure is a rectangular groove (22) provided on a side wall surface of the second water cooling head (20); a first fixing block (19) is fixedly installed on a side wall surface of the heat conducting plate (18) at a position corresponding to the rectangular groove (22); and the first fixing block (19) is movably engaged in the rectangular groove (22).

2. The water cooling device for the autonomous driving domain controller according to claim 1, characterized in that: A heat dissipation groove (13) is provided on a wall surface of one side of the water tank (11) away from the controller body (10), and the heat dissipation grooves (13) are distributed at equal intervals.

3. The water cooling device for the autonomous driving domain controller according to claim 1, characterized in that: The two ends of the water inlet pipe (16) and the water outlet pipe (17) are respectively fixedly connected to the water tank (11) and the first water cooling head (15); a first water tank (26) is provided in the cavity of the first water cooling head (15); the cooling liquid in the cavity of the water tank (11) enters the first water tank (26) through the water inlet pipe (16) and flows back to the cavity of the water tank (11) through the water outlet pipe (17).

4. The water cooling device for the autonomous driving domain controller according to claim 1, characterized in that: A first water pump (24) and a second water pump (25) are fixedly mounted on the top wall of the first water cooling head (15); a first threaded through hole for fixing is provided between the top and bottom wall surfaces of the first fixing block (19); second fixing blocks (21) are fixedly mounted on the side walls opposite to each other of the second water cooling head (20); a second threaded through hole for fixing is provided between the top and bottom wall surfaces of the second fixing block (21).

5. The water cooling device for the autonomous driving domain controller according to claim 1, characterized in that: A limiting hole (23) is provided on a side of the top wall of the second water cooling head (20) close to the first water cooling head (15), and the limiting hole (23) is connected to the rectangular groove (22) below.

6. The water cooling device for the autonomous driving domain controller according to claim 5, characterized in that: A screw is movably inserted into the limiting hole (23), the first fixing block (19) is movably engaged in the corresponding rectangular groove (22), and the screw in the limiting hole (23) above the rectangular groove (22) is movably inserted into the corresponding first threaded through hole.

7. The water cooling device for the autonomous driving domain controller according to claim 1, characterized in that: Two water pipe connecting columns are fixedly mounted on the top wall of the second water cooling head (20), a second water tank (27) is provided in the cavity of the second water cooling head (20), the two water pipe connecting columns are connected to the second water tank (27), and connecting pipes are provided between the first water pump (24) and the second water pump (25) and the corresponding water pipe connecting columns.

Images