Water cooling plate for thermal management system of electric vehicle

Abstract

The utility model belongs to the technical field of water cooling plate production, and relates to a water cooling plate for an electric automobile thermal management system, which comprises a cold water plate and a cold water pipe, the cold water pipe is mounted on the cold water plate, two mounting plates are symmetrically mounted at the bottom of the cold water plate, and the tops of the two mounting plates are mounted on the same cold water plate. A plurality of groups of cooling pieces are arranged on the mounting plate, and each cooling piece comprises a heat dissipation plate. When cooling water in the cold water plate is overheated, the heat dissipation plate can rotate by 90 degrees through a linkage mechanism of the first servo motor, the worm, the worm gear and the rotating shaft and is tightly attached to the heat conduction plate, and heat in the cold water plate is effectively conducted to the heat dissipation plate and dispersed into air. By means of the design, the heat dissipation efficiency is remarkably improved, it is ensured that the water circulation system can stably operate in the high-temperature environment, and the problem that the heat dissipation efficiency of the whole water circulation system can be greatly reduced when water in the water circulation system is too hot and the temperature of the water circulation system cannot be effectively reduced through a fan is solved.

Description

Technical Field

[0001] This utility model belongs to the field of water-cooled plate manufacturing technology, and relates to a water-cooled plate for an electric vehicle thermal management system. Background Technology

[0002] Water-cooled plates cool electronic components such as batteries using a flowing liquid (usually water). They utilize water's high specific heat capacity and excellent thermal conductivity to remove the heat generated by the battery during operation, keeping the battery within a suitable temperature range.

[0003] For example, patent (CN221784555U) discloses a welded water-cooled plate radiator, including a heat-conducting plate and a water storage tank disposed on one side of the heat-conducting plate. A water circulation assembly for circulating cooling water is disposed on one side of the water storage tank. The water circulation assembly includes an outlet pipe, one end of which is connected to one side of the water storage tank, and the other end of which is connected to a water pump. The outlet of the water pump is connected to a cooling water pipe. A stirring assembly for stirring the cooling water is disposed inside the water storage tank. This utility model provides a welded water-cooled plate radiator that solves the problems of existing water-cooled radiators having a small contact area with the cooling water, resulting in residual heat in the reused cooling water, which greatly limits the heat dissipation performance of the water-cooled plate radiator. It also addresses the lack of cooling water circulation functionality, preventing the reuse of cooling water and leading to significant waste and low practicality.

[0004] When using the above technology, the following technical problems were found in the prior art: When the above device is in use, heat dissipation is achieved through water circulation. The water that has undergone heat exchange flows into the water storage tank, and then the water in the water storage tank is cooled by a fan. However, when the water in the tank is too hot and the fan cannot effectively reduce its temperature, the heat dissipation efficiency of the entire water circulation system will drop significantly. This will cause the temperature of the equipment that needs to be cooled to rise, which may affect its normal operation or even cause damage. Utility Model Content

[0005] The technical problem this invention aims to solve is that, during use, heat dissipation is achieved through water circulation. The water that has undergone heat exchange flows into a water storage tank, and then a fan cools the water in the tank. However, when the water in the tank becomes too hot and the fan cannot effectively reduce its temperature, the heat dissipation efficiency of the entire water circulation system will decrease significantly. This will cause the temperature of the equipment that needs to be cooled to rise, which may affect its normal operation or even cause damage.

[0006] This utility model discloses a water-cooled plate for an electric vehicle thermal management system, comprising a water plate and water pipes. The water pipes are mounted on the water plate. Two mounting plates are symmetrically mounted on the bottom of the water plate, and the tops of the two mounting plates are mounted on the same water plate. Multiple cooling components are provided on the mounting plates, each including a heat sink plate. Two rotating shafts are mounted at both ends of the heat sink plate, and the rotating shafts are rotatably connected to the inside of the mounting plates. A worm gear is mounted on one side of the rotating shaft of the heat sink plate, and a worm is meshed on the worm gear. Multiple worms are connected to the same drive shaft, and both ends of the drive shaft rotate within the mounting plates. A first servo motor is mounted at one end of the drive shaft and is mounted on the mounting plate. Multiple heat-conducting plates are mounted on the top of the water plate, and the heat-conducting plates overlap one side of the heat sink plate.

[0007] The cold water pipe is equipped with an inlet pipe and a first outlet pipe at both ends. Both the inlet pipe and the first outlet pipe are threaded with threaded connecting pipes. A second outlet pipe and a water pump are respectively installed on the two threaded connecting pipes. A water storage tank is connected to the end of the second outlet pipe away from the first outlet pipe.

[0008] A connecting shaft is rotatably connected to the first water outlet pipe. A turbo fan is installed at one end of the connecting shaft that extends into the first water pipe. A bevel gear one is installed at the end of the connecting shaft away from the turbo fan. A bevel gear two is meshed with one side of the bevel gear one.

[0009] A stirring shaft is mounted on the second bevel gear. The end of the stirring shaft away from the second bevel gear is rotatably connected to the water storage tank. Multiple mixing plates are mounted on the end of the stirring shaft located inside the water storage tank.

[0010] The water pump is equipped with a first water pipe at the end away from the threaded connection pipe. The end of the first water pipe away from the water pump extends into the water storage tank, and a filter pipe is installed at the end of the first water pipe extending into the water storage tank.

[0011] The water storage tank has multiple heat dissipation fins installed on the side away from the cold water plate.

[0012] Compared with existing technologies, the beneficial effects of this invention are as follows: When the cooling water in the cold water plate becomes overheated, the heat sink plate can rotate 90 degrees through the linkage mechanism of the first servo motor, worm gear, worm wheel, and rotating shaft, closely fitting with the heat conduction plate. This effectively transfers the heat from the cold water plate to the heat sink plate and disperses it into the air. This design significantly improves heat dissipation efficiency, ensuring the water circulation system can operate stably in high-temperature environments and solving the problem that the heat dissipation efficiency of the entire water circulation system will drop significantly when the water in the circulation system overheats and the fan cannot effectively reduce its temperature.

[0013] The water circulation cooling system pumps cooling water from the storage tank into the inlet pipe, which then flows through the cold water pipe, effectively removing heat from the connected equipment. This circulation method ensures that heat is continuously and stably removed, thus maintaining the equipment's low-temperature operation. When the water circulation cooling system overheats, the air-cooling auxiliary system is activated, dissipating heat through the heat sink and further reducing the system temperature. This dual cooling mechanism ensures maximum cooling effect. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the structure of the cold water plate of this utility model.

[0016] Figure 3 This is a schematic diagram showing the connection between the heat sink and the mounting plate of this utility model.

[0017] Figure 4 This is a structural schematic diagram of the cross-section of the mounting plate of this utility model.

[0018] Figure 5 This is a structural schematic diagram of the cross-section of the water storage tank of this utility model.

[0019] Figure 6 This is a schematic diagram of the structure of the present invention, showing the separation of the threaded connecting pipe and the first water outlet pipe.

[0020] Figure 7 This is a structural schematic diagram of the cross-section of the first water outlet pipe of this utility model.

[0021] In the diagram: 1. Cooling plate; 2. Cooling pipe; 3. Mounting plate; 4. Rotating shaft; 5. Heat sink; 6. Heat conduction plate; 7. Worm gear; 8. Worm wheel; 9. Drive shaft; 10. First servo motor; 11. Inlet pipe; 12. Threaded connecting pipe; 13. Second outlet pipe; 14. Connecting shaft; 15. Turbine fan; 16. First outlet pipe; 17. Bevel gear one; 18. Water storage tank; 19. Stirring shaft; 20. Mixing plate; 21. Bevel gear two; 22. Filter pipe; 23. First water pipe; 24. Water pump; 25. Heat dissipation fins. Detailed Implementation Example 1

[0022] like Figures 1 to 7As shown, the device includes a cold water plate 1 and a cold water pipe 2. The cold water pipe 2 is installed on the cold water plate 1. Two mounting plates 3 are symmetrically installed on the bottom of the cold water plate 1. The tops of the two mounting plates 3 are installed on the same cold water plate 1. Multiple cooling components are provided on the mounting plates 3. The cooling components include heat sinks 5. Two rotating shafts 4 are installed at both ends of the heat sinks 5. The rotating shafts 4 are rotatably connected to the inside of the mounting plates 3. A worm gear 8 is installed on one side of the rotating shaft 4 of the heat sink 5. A worm 7 is meshed on the worm gear 8. Multiple worms 7 are connected to the same drive shaft 9. The two ends of the drive shaft 9 are rotatably connected to the inside of the mounting plates 3. A first servo motor 10 is installed at one end of the drive shaft 9. The first servo motor 10 is installed on the mounting plate 3. Multiple heat conduction plates 6 are installed on the top of the cold water plate 1. The heat conduction plates 6 overlap with one side of the heat sink 5.

[0023] During operation, when the cooling water in the water-circulating cold water plate 1 becomes overheated, the first servo motor 10 starts, driving the drive shaft 9 to rotate within the mounting box. The drive shaft 9 drives multiple worm gears 7 connected to it to rotate, which in turn drives the worm wheel 8 to rotate. The worm wheel 8 drives the rotating shaft 4 connected to it to rotate on the mounting plate 3. The rotating shaft 4, driven by the worm wheel 8, rotates and in turn drives the heat sink 5 to rotate. The heat sink 5 rotates 90 degrees, making the heat sink perpendicular to the bottom of the cold water plate 1. The heat sink 5 overlaps with the heat conduction plate 6 connected to the bottom of the cold water plate 1, with one side of the heat conduction plate 6 adhering to one side of the heat sink 5. This allows the heat conduction plate 6 to conduct heat from the water-cooled plate to the heat sink 5, and the heat sink 5 disperses the heat into the air.

[0024] When the cooling water in the cold water plate 1 becomes overheated, the heat sink 5 can rotate 90 degrees through the linkage mechanism of the first servo motor 10, worm gear 7, worm wheel 8 and rotating shaft 4, and fit tightly with the heat conduction plate 6. This effectively transfers the heat in the cold water plate 1 to the heat sink 5 and disperses it into the air. This design significantly improves the heat dissipation efficiency, ensures that the water circulation system can operate stably in high-temperature environments, and solves the problem that the heat dissipation efficiency of the entire water circulation system will drop significantly when the water in the water circulation is overheated and the fan cannot effectively reduce its temperature.

[0025] When the water in the water-circulating cooling plate 1 is not overheated, as described above, the first servo motor 10 drives the heat sink 5 to rotate 90 degrees clockwise through the worm gear 7, worm wheel 8 and rotating shaft 4, so that it is horizontally attached to the bottom of the cooling plate 1 for storage. Under the control of the first servo motor 10, when the water is not overheated, the heat sink 5 remains in a horizontally attached state for storage; when the water is overheated, the heat sink 5 rotates 90 degrees to dissipate heat, making the water-cooled plate more flexible. Example 2

[0026] like Figures 5-7The cold water pipe 2 has an inlet pipe 11 and a first outlet pipe 16 installed at both ends. Both the inlet pipe 11 and the first outlet pipe 16 are threaded with threaded connecting pipes 12. The second outlet pipe 13 and the water pump 24 are respectively installed on the two threaded connecting pipes 12. The design of the threaded connecting pipes 12 makes the connection between the inlet pipe 11, the first outlet pipe 16 and the second outlet pipe 13 and the water pump 24 more secure, reducing the risk of water leakage due to loose connection, and at the same time making it easy to disassemble the first outlet pipe 16, the inlet pipe 11 and the threaded connecting pipes 12.

[0027] The end of the second water outlet pipe 13 away from the first water outlet pipe 16 is connected to a water storage tank 18. A connecting shaft 14 is rotatably connected to the first water outlet pipe 16. A turbine fan 15 is installed at one end of the connecting shaft 14 that extends into the first water pipe 23. A bevel gear 17 is installed at the other end of the connecting shaft 14 away from the turbine fan 15. A bevel gear 21 is meshed with one side of the bevel gear 17. A stirring shaft 19 is installed on the bevel gear 21. The end of the stirring shaft 19 away from the bevel gear 21 is rotatably connected to the water storage tank 18.

[0028] During operation, the water pump 24 pumps the cooling water from the water storage tank 18 into the inlet pipe 11, which then enters the cold water pipe 2. The cold water pipe 2 carries away the heat from the equipment connected to the cold water plate 1. The first outlet pipe 16 at the other end of the cold water pipe 2 pumps the heated water into the water storage tank 18 through the second outlet pipe 13 for circulating cooling, forming a water circulation cooling system. When the water circulation cooling system overheats, the heat dissipation plate 5 on the cooling component dissipates heat, forming an air cooling auxiliary system. By using the two cooling systems in a cycle, the cooling effect is greatly improved.

[0029] The water circulation cooling system uses water pump 24 to pump cooling water from the water storage tank 18 into the inlet pipe 11, and then the water flows through the cold water pipe 2, effectively removing heat from the connected equipment. This circulation method ensures that heat is continuously and stably removed, thereby maintaining the low-temperature operation of the equipment. When the water circulation cooling system overheats, the air-cooling auxiliary system is activated, which dissipates heat through the heat sink 5, further reducing the system temperature. This dual cooling mechanism ensures the maximization of the cooling effect. Example 3

[0030] like Figures 5-7 The stirring shaft 19 is located inside the water storage tank 18 and has multiple mixing plates 20 installed at one end. The water pump 24 is located away from the threaded connecting pipe 12 and has a first water pipe 23 installed at the end away from the water pump 24. The end of the first water pipe 23 away from the water pump 24 extends into the water storage tank 18 and has a filter pipe 22 installed at the end of the first water pipe 23 that extends into the water storage tank 18. Multiple heat dissipation fins 25 are installed on the side of the water storage tank 18 away from the cold water plate 1. The heat dissipation fins 25 accelerate the cooling of the cooling water in the water storage tank 18.

[0031] During operation, when the first water outlet pipe 16 is circulating water, the cooling water flow in the first water outlet pipe 16 drives the turbine fan 15 to rotate. The turbine fan 15 drives the connecting shaft 14 to rotate. The connecting shaft 14 drives the bevel gear 17 connected to it to rotate. The bevel gear 17 drives the bevel gear 21 meshing with it to rotate. The bevel gear 21 drives the stirring shaft 19 to rotate. One end of the stirring shaft 19, which is located in the water storage tank 18, drives the mixing plate 20, which is located in the water storage tank 18, to mix the cooling water in the water storage tank 18, so that the cold water and hot water are mixed. The cooperation between the turbine fan 15 and the stirring shaft 19 can further improve the heat exchange efficiency of the water, make the cooling water more evenly distributed in the water storage tank 18, and accelerate the dissipation of heat.

[0032] The descriptions of the orientation and relative positional relationships of the structure in this utility model, such as descriptions of front, back, left, right, up, and down, do not constitute a limitation on this utility model, but are merely for the convenience of description.

Claims

1. A water-cooled plate for a thermal management system of an electric vehicle, characterized in that: The system includes a cold water plate (1) and a cold water pipe (2). The cold water pipe (2) is installed on the cold water plate (1). Two mounting plates (3) are symmetrically installed on the bottom of the cold water plate (1). The tops of the two mounting plates (3) are installed on the same cold water plate (1). Multiple cooling components are provided on the mounting plates (3). The cooling components include heat dissipation plates (5). Two rotating shafts (4) are installed at both ends of the heat dissipation plates (5). The rotating shafts (4) are rotatably connected to the inside of the mounting plates (3). One of the heat dissipation plates (5) is... A worm gear (8) is installed on the rotating shaft (4) on the side, and a worm (7) is meshed on the worm gear (8). Multiple worms (7) are connected to the same drive shaft (9). The two ends of the drive shaft (9) rotate within the mounting plate (3). A first servo motor (10) is installed at one end of the drive shaft (9). The first servo motor (10) is installed on the mounting plate (3). Multiple heat-conducting plates (6) are installed on the top of the cold water plate (1). The heat-conducting plates (6) overlap with one side of the heat sink (5).

2. The water-cooled plate of the electric vehicle thermal management system according to claim 1, characterized in that: The cold water pipe (2) is equipped with an inlet pipe (11) and a first outlet pipe (16) at both ends. Both the inlet pipe (11) and the first outlet pipe (16) are threaded with threaded connecting pipes (12). The two threaded connecting pipes (12) are respectively equipped with a second outlet pipe (13) and a water pump (24). The end of the second outlet pipe (13) away from the first outlet pipe (16) is connected to a water storage tank (18).

3. The water-cooled plate of the electric vehicle thermal management system according to claim 2, characterized in that: A connecting shaft (14) is rotatably connected to the first water outlet pipe (16). A turbo fan (15) is installed at one end of the connecting shaft (14) that extends into the first water pipe (23). A bevel gear (17) is installed at the other end of the connecting shaft (14) away from the turbo fan (15). A bevel gear (21) is meshed with one side of the bevel gear (17).

4. A water-cooled plate for an electric vehicle thermal management system according to claim 3, characterized in that: A stirring shaft (19) is installed on the second bevel gear (21). The end of the stirring shaft (19) away from the second bevel gear (21) is rotatably connected to the water storage tank (18). A plurality of mixing plates (20) are installed on the end of the stirring shaft (19) located in the water storage tank (18).

5. A water-cooled plate for an electric vehicle thermal management system according to claim 2, characterized in that: The water pump (24) is equipped with a first water pipe (23) at the end away from the threaded connection pipe (12). The end of the first water pipe (23) away from the water pump (24) extends into the water storage tank (18). The end of the first water pipe (23) extending into the water storage tank (18) is equipped with a filter pipe (22).

6. A water-cooled plate for an electric vehicle thermal management system according to claim 2, characterized in that: The water tank (18) has multiple heat dissipation fins (25) installed on the side away from the cold water plate (1).

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