Immersed liquid cooling plate

Abstract

The utility model discloses an immersed liquid cooling plate which comprises a plurality of liquid cooling plates, and battery cells are arranged between two adjacent liquid cooling plates; the cooling liquid conveying assembly is used for providing cooling liquid for the single liquid cooling plate and carrying out circulating heat exchange; the liquid cooling plate comprises a connecting pipe end, a plate body and a circulating pipe end, the plate body is arranged between the connecting pipe end and the circulating pipe end, the connecting pipe end, the plate body and the circulating pipe end are communicated, and the connecting pipe end is communicated with the cooling liquid conveying assembly. According to the utility model, the battery cell is arranged between the two adjacent liquid cooling plates, and the cooling liquid conveying assembly controls the cooling liquid to enter the plate body through the connecting pipeline, return to the plate body through the circulating pipe end, and return to the cooling liquid conveying assembly after being sent to the connecting pipe end by the plate body, so that the cooling liquid is uniformly distributed in the liquid cooling plates; the temperature of each position of the battery cell is kept consistent, the temperature difference of different positions of the battery cell is reduced, the overall temperature of the battery cell is more uniform, energy loss caused by the temperature difference is reduced, and the energy utilization rate is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of liquid cooling plate equipment, specifically relating to an immersion liquid cooling plate. Background Technology

[0002] Currently, the research and application of battery cell modules are receiving increasing attention. Various devices are placing ever-increasing demands on the energy and power of battery cell modules, leading to a corresponding increase in heat generation. Therefore, to protect battery cell modules from damage and extend their lifespan, numerous cooling structures for battery cell modules have been researched. Existing cooling methods primarily involve placing the battery cell modules on liquid cooling plates for heat dissipation.

[0003] In existing technologies, the liquid cooling plate is placed at the bottom of the battery cell, using a bottom cooling method with an internal S-shaped flow channel. The temperature difference between the battery cells is above 5°C, resulting in a large overall temperature difference. This makes it difficult to better control the temperature of the battery cells, leading to a large temperature difference between different battery cells at different times. After long-term use, this can result in a large voltage difference between the battery cells.

[0004] Temperature has a significant impact on battery cells. When different parts of the battery cell are at different temperatures, the cell will self-discharge due to excessive temperature differences, resulting in a decrease in the overall efficiency of the cell and an increase in overall heat dissipation. Therefore, it is necessary to improve the overall energy utilization rate of the battery cell, control the temperature of different parts of the cell, and reduce the temperature difference of the cell. Utility Model Content

[0005] The purpose of this invention is to solve the aforementioned technical problems in the prior art by providing an immersion liquid cooling plate. This plate involves installing the battery cell between two adjacent liquid cooling plates. A coolant delivery assembly controls the circulation and heat exchange of coolant within the liquid cooling plate. The liquid cooling plate is equipped with a connecting pipe end, a plate body, and a circulation pipe end. Coolant enters the plate body through the connecting pipe, returns to the plate body through the circulation pipe end, and is then delivered from the plate body back to the connecting pipe end before returning to the coolant delivery assembly. This ensures that the coolant fills the entire plate body, resulting in a uniform distribution of coolant within the liquid cooling plate. This maintains a consistent temperature across the battery cell, reduces temperature differences between different locations, and makes the overall temperature of the battery cell more uniform. This reduces energy loss due to temperature differences and improves energy utilization.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] An immersion liquid-cooled plate includes: a plurality of liquid-cooled plates, with a battery cell disposed between two adjacent liquid-cooled plates; a coolant delivery assembly for supplying coolant to a single liquid-cooled plate and performing circulating heat exchange; the liquid-cooled plate includes a connecting pipe end, a plate body, and a circulation pipe end, with the plate body disposed between the connecting pipe end and the circulation pipe end, and the connecting pipe end, plate body, and circulation pipe end being connected in communication; the connecting pipe end is connected to the coolant delivery assembly. This invention, by installing the battery cell between two adjacent liquid-cooled plates, and controlling the circulation of coolant within the liquid-cooled plate by the coolant delivery assembly, allows the coolant to enter the plate body through the connecting pipe, return to the plate body through the circulation pipe end, and then be delivered from the plate body back to the connecting pipe end and back to the coolant delivery assembly. This ensures that the coolant fills the entire plate body, resulting in uniform coolant distribution within the liquid-cooled plate; maintaining a consistent temperature at each location of the battery cell, reducing temperature differences between different locations of the battery cell, making the overall temperature of the battery cell more uniform, reducing energy loss due to temperature differences, and improving energy utilization.

[0008] Furthermore, the connecting pipe end has a cavity 1 with openings at both the top and bottom. The end of the connecting pipe near the coolant delivery assembly has a connecting hole that communicates with the coolant delivery assembly. The other end of the connecting pipe has an interface 1 that matches the plate body. The cavity 1, connecting hole, and interface 1 are all connected. The coolant delivery assembly controls the coolant to enter the cavity 1 through the connecting hole and then be delivered into the plate body through the interface 1.

[0009] Furthermore, the circulation pipe end is provided with a cavity two with openings at both the top and bottom, and the end of the circulation pipe end near the plate body is provided with an interface two, which matches the plate body, and the cavity two is connected to the interface two. The coolant in the plate body enters the cavity two of the circulation pipe end, and the circulation pipe end circulates the coolant to the plate body, and the coolant is then transported by the plate body to the coolant delivery assembly.

[0010] Furthermore, plugs are provided at both the upper and lower openings of the connecting pipe and the circulation pipe. Plugs are used to seal cavities one and two.

[0011] Furthermore, the plate body has a cavity three with openings at both ends. Cavities one and two are connected to cavity three. Cavity three has partition blocks that divide it into an inlet cavity and an outlet cavity. Spacer blocks are evenly distributed in both the inlet and outlet cavities, creating flow channels for coolant circulation. Cavity three, divided into an inlet and outlet cavity by partition blocks, and with spacer blocks evenly distributed within these cavities to form flow channels for coolant circulation, achieves heat exchange between the battery cells located between the two liquid cooling plates, effectively reducing the temperature difference between different locations on the battery cells.

[0012] Furthermore, a partition plate is fixedly connected to the partition block within cavity one. The partition plate divides cavity one into an inlet buffer chamber and an outlet buffer chamber, which are connected to each other. The partition plate is positioned corresponding to the partition block to divide cavity one into an inlet buffer chamber and an outlet buffer chamber. When the coolant delivery assembly delivers coolant to the liquid cooling plate, it first enters the inlet buffer chamber through the connection hole. The coolant then enters the various flow channels of the inlet chamber, and is cooled and delivered to cavity two of the circulation pipe. From cavity two, it enters the flow channel of the outlet chamber, and then enters the outlet buffer chamber of cavity one. Finally, the coolant is discharged into the coolant delivery assembly.

[0013] Furthermore, the coolant delivery assembly includes an inlet, an outlet, and a connector. The inlet is used to deliver coolant into the liquid cooling plate, and the coolant in the liquid cooling plate is discharged through the outlet. One end of the inlet and one end of the outlet are fixedly connected in the connector.

[0014] Furthermore, the liquid inlet component includes a U-shaped water supply pipe, a connecting pipe 1, and a connector 1. One end of the connecting pipe 1 is connected to the U-shaped water supply pipe, and the connector 1 is connected to the other end of the connecting pipe 1. The connector 1 is connected to a connecting hole, allowing the U-shaped water supply pipe to communicate with the water inlet buffer chamber. The U-shaped water supply pipe has an inlet at one end near the connector seat, and a plug 2 at the other end. The connecting pipe 1 is connected to the end of the U-shaped water supply pipe near the plug 2. Coolant is delivered to the connecting pipe 1 through the U-shaped water supply pipe and enters the water inlet buffer chamber at the end of the connecting pipe through the connector 1. The plug 2 ensures that coolant can only enter the connecting pipe end 1 through the connecting pipe 1 from the inlet.

[0015] Furthermore, the liquid outlet component includes a liquid outlet pipe, a second connecting pipe, and a second connector. One end of the second connecting pipe is connected to the liquid outlet pipe, and the second connector is connected to the other end of the second connecting pipe. The second connector is connected to a connecting hole, thereby connecting the liquid outlet pipe to the water outlet buffer chamber. The coolant is discharged from the plate into the water outlet buffer chamber at the end of the connecting pipe, and then enters the second connecting pipe through the second connector before being discharged into the liquid outlet pipe.

[0016] Furthermore, the outlet pipe has a water outlet at one end near the connector, and a plug three at the other end. The plug three seals one end of the outlet pipe, so that the coolant can only be discharged through the water outlet of the outlet pipe.

[0017] The coolant delivery assembly delivers coolant into the inlet, and then from the inlet...

[0018] This utility model, by adopting the above-mentioned technical solution, has the following beneficial effects:

[0019] This invention involves installing the battery cell between two adjacent liquid-cooled plates. A coolant delivery assembly controls the circulation and heat exchange of coolant within the liquid-cooled plates. The liquid-cooled plates are equipped with connecting pipe ends, a plate body, and a circulation pipe end. Coolant enters the plate body through the connecting pipe end, returns to the plate body through the circulation pipe end, and is then delivered from the plate body back to the connecting pipe end before returning to the coolant delivery assembly. This ensures that the coolant fills the entire plate body, resulting in a uniform distribution of coolant within the liquid-cooled plates. This maintains a consistent temperature across the battery cell, reduces temperature differences between different locations within the cell, and makes the overall temperature of the battery cell more uniform. This reduces energy loss due to temperature differences and improves energy utilization.

[0020] In this invention, the plate body has a cavity three with openings at both the left and right ends. Cavities one and two are connected to cavity three. A partition block is provided within cavity three, dividing it into an inlet cavity and an outlet cavity. Spacer blocks are evenly distributed within both the inlet and outlet cavities, creating flow channels for coolant circulation. The cavity three, divided into an inlet and outlet cavity by partition blocks, and the evenly distributed spacer blocks within these cavities, form flow channels for coolant circulation, enabling heat exchange between the battery cell located between the two liquid cooling plates and effectively reducing the temperature difference between different locations on the battery cell.

[0021] In this invention, a partition plate is fixedly connected to the partition block within the hollow cavity one. The partition plate divides the hollow cavity one into an inlet buffer cavity and an outlet buffer cavity, which are connected to each other. The partition plate is positioned corresponding to the partition block to divide the hollow cavity one into an inlet buffer cavity and an outlet buffer cavity. When the coolant delivery assembly delivers coolant to the liquid cooling plate, it first enters the inlet buffer cavity through the connecting hole. The coolant then enters the various flow channels of the inlet cavity, is cooled and delivered to the second cavity of the circulation pipe, then enters the flow channel of the outlet cavity from the second cavity, and then enters the outlet buffer cavity of the first cavity. Finally, the coolant is discharged into the coolant delivery assembly. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the structure of an immersion liquid cooling plate according to the present invention;

[0024] Figure 2 This is a schematic diagram of the liquid cooling plate in this utility model;

[0025] Figure 3 for Figure 2 A schematic diagram of the structure in direction A;

[0026] Figure 4 for Figure 3 Cross-sectional view of BB in the middle;

[0027] Figure 5 This is a schematic diagram of the connecting pipe end in this utility model;

[0028] Figure 6 This is a schematic diagram of the circulation pipe section in this utility model;

[0029] Figure 7 This is a schematic diagram of the structure of the plate body in this utility model;

[0030] Figure 8 for Figure 7 Enlarged structural diagram at point C.

[0031] In the diagram, 1-Liquid cooling plate; 2-Coolant delivery assembly; 3-Connecting pipe end; 4-Plate body; 5-Circulation pipe end; 6-Cavity 1; 7-Connecting hole; 8-Interface 1; 9-Cavity 2; 10-Interface 2; 11-Plug 1; 12-Cavity 3; 13-Separator block; 14-Spacing block; 15-Flow channel; 16-Separator plate; 17-Inlet buffer chamber; 18-Outlet buffer chamber; 19-Inlet component; 20-Outlet component; 21-Connecting seat; 22-U-shaped water pipe; 23-Connecting pipe 1; 24-Connector 1; 25-Inlet; 26-Plug 2; 27-Outlet pipe; 28-Connecting pipe 2; 29-Connector 2; 30-Outlet; 31-Plug 3; 32-Inlet chamber; 33-Outlet chamber. Detailed Implementation

[0032] like Figures 1 to 8 As shown, this utility model discloses an immersion liquid cooling plate, comprising: a plurality of liquid cooling plates 1, with a battery cell disposed between two adjacent liquid cooling plates 1; a coolant delivery assembly 2, used to provide coolant to a single liquid cooling plate 1 and perform circulating heat exchange; the liquid cooling plate 1 includes a connecting pipe end 3, a plate body 4, and a circulation pipe end 5, the plate body 4 being disposed between the connecting pipe end 3 and the circulation pipe end 5, the connecting pipe end 3, the plate body 4, and the circulation pipe end 5 being connected, and the connecting pipe end 3 being connected to the coolant delivery assembly 2.

[0033] The connecting pipe end 3 has a cavity 6 with openings at both the top and bottom. One end of the connecting pipe end 3 near the coolant delivery assembly 2 has a connecting hole 7, which communicates with the coolant delivery assembly 2. The other end of the connecting pipe end 3 has an interface 8 that matches the plate body 4. The cavity 6, connecting hole 7, and interface 8 are connected. The coolant delivery assembly 2 controls the coolant to enter the cavity 6 through the connecting hole 7 and then be delivered into the plate body 4 through the interface 8.

[0034] The circulation pipe end 5 is provided with a cavity 9 with openings at both the top and bottom. The end of the circulation pipe end near the plate 4 is provided with an interface 10, which matches the plate 4. The cavity 9 is connected to the interface 10. The coolant in the plate 4 enters the cavity 9 of the circulation pipe end 5, and the circulation pipe end circulates the coolant back into the plate 4. The coolant is then transported from the plate 4 to the coolant delivery assembly 2.

[0035] Both the upper and lower openings of the connecting pipe end 3 and the upper and lower openings of the circulation pipe end 5 are provided with plugs 11. The plugs 11 are used to seal the cavity 6 and the cavity 9.

[0036] The plate 4 has a cavity 12 with openings at both ends. Cavities 1 and 2 are connected to cavity 12. A partition block 13 is provided in cavity 12, which divides cavity 12 into an inlet cavity 32 and an outlet cavity 33. Spacer blocks 14 are evenly distributed in both the inlet cavity 32 and the outlet cavity 33, so that flow channels 15 for coolant flow are formed in both the inlet cavity 32 and the outlet cavity 33. Cavity 12 is divided into an inlet cavity 32 and an outlet cavity 33 by the partition block 13. The spacer blocks 14 are evenly arranged in the inlet cavity 32 and the outlet cavity 33 to form flow channels 15 for coolant flow, realizing heat exchange of the battery cell located between the two liquid cooling plates 1, effectively reducing the temperature difference between different parts of the battery cell.

[0037] A partition plate 16 is fixedly connected to the partition block 13 within cavity 6. The partition plate 16 divides cavity 6 into an inlet buffer chamber 17 and an outlet buffer chamber 18. The inlet buffer chamber 17 is connected to the inlet chamber 32, and the outlet buffer chamber 18 is connected to the outlet chamber 33. The partition plate 16 is set corresponding to the partition block 13, thereby dividing cavity 6 into an inlet buffer chamber 17 and an outlet buffer chamber 18. When the coolant delivery assembly 2 delivers coolant into the liquid cooling plate 1, it first enters the inlet buffer chamber 17 through the connection hole 7. The coolant then enters each flow channel 15 of the inlet chamber 32. The coolant in the inlet chamber 32 is then delivered to cavity 9 of the circulation pipe. Next, it enters the flow channel 15 of the outlet chamber 33 from cavity 9, and then enters the outlet buffer chamber 18 of cavity 6. Finally, the coolant is discharged into the coolant delivery assembly 2.

[0038] The coolant delivery assembly 2 includes an inlet 19, an outlet 20, and a connecting seat 21. The inlet 19 is used to deliver coolant into the liquid cooling plate 1, and the coolant in the liquid cooling plate 1 is discharged through the outlet 20. One end of the inlet 19 and one end of the outlet 20 are fixedly connected in the connecting seat 21.

[0039] The liquid inlet component 19 includes a U-shaped water supply pipe 22, a connecting pipe 23, and a connector 24. One end of the connecting pipe 23 is connected to the U-shaped water supply pipe 22, and the connector 24 is connected to the other end of the connecting pipe 23. The connector 24 is connected to the connecting hole 7, so that the U-shaped water supply pipe 22 is connected to the water inlet buffer chamber 17. The end of the U-shaped water supply pipe 22 near the connecting seat 21 is provided with a water inlet 25, and the other end of the U-shaped water supply pipe 22 is provided with a plug 26. The connecting pipe 23 is connected to the end of the U-shaped water supply pipe 22 near the plug 26. Coolant is transported to the connecting pipe 23 through the U-shaped water supply pipe 22 and enters the water inlet buffer chamber 17 of the connecting pipe end 3 through the connector 24. The plug 26 ensures that coolant entering the U-shaped water supply pipe 22 from the water inlet 25 can only enter the connecting pipe end 3 through the connecting pipe 23.

[0040] The liquid outlet component 20 includes an outlet pipe 27, a second connecting pipe 28, and a second connector 29. One end of the second connecting pipe 28 is connected to the outlet pipe 27, and the second connector 29 is connected to the other end of the second connecting pipe 28. The second connector 29 is connected to the connecting hole 7, so that the outlet pipe 27 is connected to the outlet buffer chamber 18. The coolant is discharged from the plate 4 into the outlet buffer chamber 18 at the end of the connecting pipe 3, and then enters the second connecting pipe 28 through the second connector 29 from the outlet buffer chamber 18 before being discharged into the outlet pipe 27.

[0041] The outlet pipe 27 has an outlet 30 at one end near the connector 21, and a plug 31 at the other end. The plug 31 blocks one end of the outlet pipe 27, so that the coolant can only be discharged through the outlet 30 of the outlet pipe 27.

[0042] This invention involves installing the battery cell between two adjacent liquid cooling plates 1. The coolant delivery assembly 2 controls the circulation and heat exchange of coolant within the liquid cooling plates 1. The liquid cooling plates 1 are equipped with a connecting pipe end 3, a plate body 4, and a circulation pipe end 5. This allows the coolant to enter the plate body 4 through the connecting pipe, return to the plate body 4 through the circulation pipe end, and then be delivered from the plate body 4 back to the connecting pipe end 3 before returning to the coolant delivery assembly. This ensures that the coolant fills the entire plate body 4, and the coolant is evenly distributed inside the liquid cooling plates 1. This maintains a consistent temperature at each location of the battery cell, reduces temperature differences between different locations of the battery cell, makes the overall temperature of the battery cell more uniform, reduces energy loss caused by temperature differences, and improves energy utilization.

[0043] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.

Claims

1. An immersion liquid cooling plate, comprising: Several liquid cooling plates, with the battery cell disposed between two adjacent liquid cooling plates; A coolant delivery assembly is used to supply coolant to a single liquid-cooled plate and perform circulating heat exchange; characterized in that: the liquid-cooled plate includes a connecting pipe end, a plate body and a circulating pipe end, the plate body is disposed between the connecting pipe end and the circulating pipe end, the connecting pipe end, the plate body and the circulating pipe end are connected in communication, and the connecting pipe end is connected in communication with the coolant delivery assembly.

2. The immersion liquid cooling plate according to claim 1, characterized in that: The connecting pipe end is provided with a cavity 1 with openings at both the top and bottom. The end of the connecting pipe end near the coolant delivery assembly is provided with a connecting hole, which is connected to the coolant delivery assembly. The other end of the connecting pipe end is matched with an interface 1 that matches the plate body. The interface 1 matches the plate body. The cavity 1, the connecting hole, and the interface 1 are connected.

3. The immersion liquid cooling plate according to claim 2, characterized in that: The circulation tube end is provided with a cavity two with openings at both the top and bottom. The end of the circulation tube end near the plate body is provided with an interface two. The interface two matches the plate body, and the cavity two is connected to the interface two.

4. The immersion liquid cooling plate according to claim 3, characterized in that: Both the upper and lower openings of the connecting pipe and the upper and lower openings of the circulation pipe are provided with plugs.

5. The immersion liquid cooling plate according to claim 3, characterized in that: The plate has a cavity three with openings at both the left and right ends. Cavity one, cavity two and cavity three are connected. A partition block is provided in cavity three to divide cavity three into a water inlet cavity and a water outlet cavity. Spacer blocks are evenly distributed in both the water inlet cavity and the water outlet cavity, so that flow channels for coolant flow are formed in both the water inlet cavity and the water outlet cavity.

6. The immersion liquid cooling plate according to claim 5, characterized in that: A partition plate is fixedly connected to the cavity one corresponding to the partition block. The partition plate divides the cavity one into an inlet buffer cavity and an outlet buffer cavity. The inlet buffer cavity is connected to the inlet cavity, and the outlet buffer cavity is connected to the outlet cavity.

7. The immersion liquid cooling plate according to claim 6, characterized in that: The coolant delivery assembly includes an inlet, an outlet, and a connector. The inlet is used to deliver coolant into the liquid cooling plate, and the coolant in the liquid cooling plate is discharged through the outlet. One end of the inlet and one end of the outlet are fixedly connected in the connector.

8. The immersion liquid cooling plate according to claim 7, characterized in that: The liquid inlet component includes a U-shaped water supply pipe, a connecting pipe, and a connector. One end of the connecting pipe is connected to the U-shaped water supply pipe, and the connector is connected to the other end of the connecting pipe. The connector is connected to the connecting hole, so that the U-shaped water supply pipe is connected to the water inlet buffer chamber. The U-shaped water supply pipe has a water inlet at one end near the connecting seat, and a plug at the other end of the U-shaped water supply pipe. The connecting pipe is connected to the end of the U-shaped water supply pipe near the plug.

9. The immersion liquid cooling plate according to claim 7, characterized in that: The liquid outlet component includes a liquid outlet pipe, a second connecting pipe, and a second connector. One end of the second connecting pipe is connected to the liquid outlet pipe, and the second connector is connected to the other end of the second connecting pipe. The second connector is connected to the connecting hole, so that the liquid outlet pipe is connected to the water outlet buffer chamber.

10. The immersion liquid cooling plate according to claim 9, characterized in that: The outlet pipe has a water outlet at one end near the connector, and a plug at the other end.

Images