CN220856700U - Energy storage battery Pack water-cooling plate - Google Patents
Energy storage battery Pack water-cooling plate Download PDFInfo
- Publication number
- CN220856700U CN220856700U CN202322651233.5U CN202322651233U CN220856700U CN 220856700 U CN220856700 U CN 220856700U CN 202322651233 U CN202322651233 U CN 202322651233U CN 220856700 U CN220856700 U CN 220856700U
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- Prior art keywords
- runner
- cooling plate
- peripheral
- flow channel
- water cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 55
- 238000004146 energy storage Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 230000002093 peripheral effect Effects 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013021 overheating Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
An energy storage battery Pack water cooling plate comprises a runner bottom plate, a battery mounting bracket, a water inlet and outlet runner pipe and a water cooling plate frame; the runner bottom plate is arranged on the inner side of the water-cooling plate frame, the battery mounting brackets are arranged at two ends of the water-cooling plate frame, and the energy storage battery Pack is arranged on the upper surface of the runner bottom plate through the battery mounting brackets; the runner bottom plate comprises a peripheral runner and an inner runner, and the peripheral runner is communicated with the inner runner. The main flow channels are divided into two parts, one part of the main flow channels flows around the near-end area of the water cooling plate, the other part of the main flow channels flows around the far-end area of the water cooling plate and finally is converged in the water outlet area of the middle area of the water cooling plate, and meanwhile, each main flow channel comprises a plurality of branch flow channels which are connected in parallel, so that the heat exchange efficiency of the whole surface is improved, the temperature balance inside the module can be ensured, the problem of local overheating is avoided, and the cooling effect is improved.
Description
Technical Field
The utility model belongs to the technical field of heat dissipation of energy storage batteries, and particularly relates to a Pack water cooling plate of an energy storage battery.
Background
In the conventional design of the water cooling plate channel of the energy storage battery Pack, a water inlet and a water outlet are generally arranged at two ends of one side of the water cooling plate, the water cooling plate channel is macroscopically divided into two parts, namely, a lower part, an upper part and a lower part, the upper part and the lower part are in a mirror image design, cooling liquid is split into N parallel branch channels after entering the water cooling plate from the water inlet, flows to the other end of the water cooling plate, is converged to a public main channel and is communicated with the public main channel of water, the public water outlet channel is split into N parallel branch channels, and finally, the N parallel branch channels flow out from the water outlet after being converged. The water cooling plate of the flow channel has low temperature at the water inlet side and high temperature at the water outlet side, and the battery PACK has poor temperature uniformity, so that the service life and performance of the battery core are influenced.
Disclosure of utility model
The utility model aims to provide a Pack water cooling plate of an energy storage battery, so as to solve the problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
An energy storage battery Pack water cooling plate comprises a runner bottom plate, a battery mounting bracket, a water inlet and outlet runner pipe and a water cooling plate frame; the runner bottom plate is arranged on the inner side of the water-cooling plate frame, the battery mounting brackets are arranged at two ends of the water-cooling plate frame, and the energy storage battery Pack is arranged on the upper surface of the runner bottom plate through the battery mounting brackets; the runner bottom plate comprises a peripheral runner and an inner runner, and the peripheral runner is communicated with the inner runner.
Further, the peripheral runner circumferentially covers the outer edge of the runner bottom plate; the inner flow channel fills an inner portion of the flow channel floor.
Further, the water cooling plate frame is respectively provided with a total water inlet and a total water outlet which are connected with the outside.
Further, the peripheral runner and the inner runner are communicated with the main water inlet at the same time, or the peripheral runner is communicated with the main water inlet, and the part runner is communicated with the main water outlet.
Furthermore, when the peripheral runner and the internal runner are simultaneously communicated with the main water inlet, the main water inlet is divided into two paths, one path is the peripheral runner, the peripheral runner is circumferentially covered on the outer side edge of the runner bottom plate and then is connected to the main water outlet, and the other path and the peripheral runner are parallelly covered in a shape like a Chinese character 'hui' towards the center of the runner bottom plate and then are connected to the main water outlet.
Further, when the peripheral runner is communicated with the total water inlet and the internal runner is communicated with the total water outlet, the peripheral runner circumferentially covers the outer side edge of the runner bottom plate and then is connected to the internal runner, and the internal runner is communicated with the total water outlet after being covered on the inner side of the runner bottom plate in a shape of a loop.
Further, the inner top surfaces of the peripheral flow channel and the inner flow channel are provided with corrugated heat dissipation teeth.
Furthermore, the peripheral flow channel and the internal flow channel are formed by a plurality of branch flow channels which are connected in parallel.
Compared with the prior art, the utility model has the following technical effects:
The main flow channels are divided into two parts, one part of the main flow channels flows around the near-end area of the water cooling plate, the other part of the main flow channels flows around the far-end area of the water cooling plate and finally is converged in the water outlet area of the middle area of the water cooling plate, and meanwhile, each main flow channel comprises a plurality of branch flow channels which are connected in parallel, so that the heat exchange efficiency of the whole surface is improved, the temperature balance inside the module can be ensured, the problem of local overheating is avoided, and the cooling effect is improved.
According to the utility model, the plurality of branch flow passage units for water inflow are connected in parallel and are connected with the water inlet, the water outlet flow passage is connected with the plurality of branch flow passage units in parallel and are connected with the water outlet, so that the plurality of flow passage units are arranged in parallel, each cell module can be ensured to be subjected to the cooling effect of a relatively independent cooling flow passage, the temperature similarity between different cell modules in the battery pack is ensured, the condition of inconsistent discharge depth caused by large temperature difference is avoided, and the service life of the cell module is prolonged.
Drawings
Fig. 1 is an overall construction diagram of the present utility model.
FIG. 2 is a schematic view of the overall flow channel of the flow channel bottom plate of the present utility model.
FIG. 3 is a schematic view of a flow channel base plate of the present utility model
Fig. 4 is an enlarged view of a portion of a pipeline.
Wherein:
1. A flow passage bottom plate; 2. a battery mounting bracket; 3. a water inlet and outlet runner pipe; 31. a main water inlet; 32. a main water outlet; 4. a water-cooled plate frame; 5. corrugated heat dissipation teeth.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience in describing the present utility model and simplifying the description based on the azimuth or positional relationship shown in the drawings, it should not be construed as limiting the present utility model, but rather should indicate or imply that the devices or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is further described below with reference to the accompanying drawings:
Referring to fig. 1 to 4, a Pack water cooling plate for an energy storage battery includes a flow passage bottom plate 1, a battery mounting bracket 2, an inlet and outlet flow passage pipe 3 and a water cooling plate frame 4; the runner bottom plate 1 is arranged on the inner side of the water-cooling plate frame 4, the battery mounting brackets 2 are arranged at two ends of the water-cooling plate frame 4, and the energy storage battery Pack is arranged on the upper surface of the runner bottom plate 1 through the battery mounting brackets 2; the flow passage base plate 1 includes a peripheral flow passage and an inner flow passage, which communicate.
The multiple branch flow channel units for water inflow are connected in parallel and simultaneously connected with the water inlet, the water outlet flow channel is connected with the multiple branch flow channel units in parallel and connected with the water outlet, and the parallel connection of the multiple flow channel units is realized, so that the cooling effect of relatively independent cooling flow channels can be guaranteed for each cell module, the temperature similarity between different cell modules in the battery pack is guaranteed, the condition of inconsistent discharge depth caused by large temperature difference is avoided, and the service life of the cell module is prolonged.
In the utility model, on the macro scale, the main flow channels are in a mountain shape and in a return shape, and each main flow channel comprises a plurality of branch flow channels. The core characteristics of the PACK flow channel of the water-cooled battery are as follows: the total water inlet main flow channel and the total water outlet main flow channel are adjacent, the middle flow channel macroscopically forms a mountain shape and a return shape, and the high-temperature water flow channel and the low-temperature water flow channel in the water cooling plate are always adjacent and alternately appear in the heat exchange process of the battery Pack, so that the temperature between different battery cell modules in the battery Pack is ensured to be similar.
The main flow channel is divided into two parts, one part of the main flow channel flows around the near-end area of the water cooling plate, the other part of the main flow channel flows around the far-end area of the water cooling plate and finally is converged in the water outlet area of the middle area of the water cooling plate, and meanwhile, a plurality of branch flow channels which are connected in parallel are arranged in each main flow channel, so that the heat exchange efficiency of the whole surface is improved, the temperature balance inside the module can be ensured, the problem of local overheating is avoided, and the cooling effect is improved.
The peripheral flow passage and the inner flow passage are simultaneously communicated with the main water inlet 31, or the peripheral flow passage and the main water inlet 31 are communicated, and the part flow passage and the main water outlet 32 are communicated.
When the peripheral flow channel and the inner flow channel are simultaneously communicated with the total water inlet 31, the total water inlet 31 is divided into two paths, one path is the peripheral flow channel, the peripheral flow channel is circumferentially covered on the outer side edge of the flow channel bottom plate and then is connected to the total water outlet 32, and the other path and the peripheral flow channel are parallelly covered in a shape of a Chinese character 'hui' towards the center of the flow channel bottom plate and then are connected to the total water outlet 32.
The peripheral runner is communicated with the total water inlet 31, and when the internal runner is communicated with the total water outlet 32, the peripheral runner is circumferentially covered on the outer side edge of the runner bottom plate and then connected to the internal runner, and the internal runner is communicated with the total water outlet 32 after being covered on the inner side of the runner bottom plate in a shape of a loop.
Compared with the prior art, the battery water-cooling plate provided by the utility model can ensure that the temperature of each battery cell is consistent, the service life of the battery cell is prolonged, meanwhile, the heat exchange efficiency is high, the cooling effect is good, and meanwhile, compared with the traditional profile runner design mode, the structural form of the water-cooling plate adopts a die-casting and brazing process mode or adopts an inflation process, so that the material consumption is less, and the material cost is saved.
The working process comprises the following steps:
The main water inlet 31 is communicated with a cold water source, cold water is conveyed to the peripheral flow channel or the inner flow channel, and the cold water after circulating heat exchange flows to the main water outlet 32 through the water outlet pipeline to be discharged.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. The energy storage battery Pack water cooling plate is characterized by comprising a runner bottom plate (1), a battery mounting bracket (2), an inlet and outlet runner pipe (3) and a water cooling plate frame (4); the flow passage bottom plate (1) is arranged at the inner side of the water cooling plate frame (4), the battery mounting brackets (2) are arranged at two ends of the water cooling plate frame (4), and the energy storage battery Pack is arranged on the upper surface of the flow passage bottom plate (1) through the battery mounting brackets (2); the runner bottom plate (1) comprises a peripheral runner and an inner runner, and the peripheral runner is communicated with the inner runner.
2. The energy storage battery Pack water cooling plate according to claim 1, wherein the peripheral flow channels are circumferentially covered on the outer edges of the flow channel bottom plate; the inner flow channel fills an inner portion of the flow channel floor.
3. The water cooling plate for the energy storage battery Pack according to claim 1, wherein the water cooling plate frame (4) is respectively provided with a total water inlet (31) and a total water outlet (32) which are connected with the outside.
4. A Pack water cooling plate for an energy storage battery according to claim 3, wherein the peripheral flow passage and the inner flow passage are simultaneously communicated with the total water inlet (31), or the peripheral flow passage and the total water inlet (31) are communicated, and the inner flow passage and the total water outlet (32) are communicated.
5. The Pack water cooling plate for an energy storage battery according to claim 4, wherein when the peripheral runner and the inner runner are simultaneously communicated with the total water inlet (31), the total water inlet (31) is divided into two paths, one path is the peripheral runner, the peripheral runner is connected to the total water outlet (32) after being covered on the outer side edge of the runner bottom plate, and the other path and the peripheral runner are connected to the total water outlet (32) after being covered in a shape like a Chinese character 'hui' in parallel towards the center of the runner bottom plate.
6. The Pack water cooling plate for an energy storage battery according to claim 4, wherein when the peripheral flow channel is communicated with the main water inlet (31) and the internal flow channel is communicated with the main water outlet (32), the peripheral flow channel is circumferentially covered on the outer side edge of the flow channel bottom plate and then is connected to the internal flow channel, and the internal flow channel is in a shape of a loop and is communicated with the main water outlet (32) after covering the inner side of the flow channel bottom plate.
7. An energy storage battery Pack water cooling plate according to claim 1, characterized in that the inner top surfaces of the peripheral flow channels and the inner flow channels are provided with corrugated heat dissipating teeth (5).
8. The Pack water cooling plate for an energy storage battery according to claim 1, wherein the peripheral flow channel and the internal flow channel are each formed by a plurality of parallel branch flow channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322651233.5U CN220856700U (en) | 2023-09-28 | 2023-09-28 | Energy storage battery Pack water-cooling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322651233.5U CN220856700U (en) | 2023-09-28 | 2023-09-28 | Energy storage battery Pack water-cooling plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856700U true CN220856700U (en) | 2024-04-26 |
Family
ID=90775508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322651233.5U Active CN220856700U (en) | 2023-09-28 | 2023-09-28 | Energy storage battery Pack water-cooling plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856700U (en) |
-
2023
- 2023-09-28 CN CN202322651233.5U patent/CN220856700U/en active Active
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