CN219303785U - Incremental liquid cooling runner system and battery pack - Google Patents
Incremental liquid cooling runner system and battery pack Download PDFInfo
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- CN219303785U CN219303785U CN202223386212.7U CN202223386212U CN219303785U CN 219303785 U CN219303785 U CN 219303785U CN 202223386212 U CN202223386212 U CN 202223386212U CN 219303785 U CN219303785 U CN 219303785U
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- 239000007788 liquid Substances 0.000 title claims abstract description 104
- 238000001816 cooling Methods 0.000 title claims abstract description 96
- 239000000110 cooling liquid Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 230000000750 progressive effect Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the field of power batteries, in particular to an incremental liquid cooling runner system and a battery pack, wherein the runner system comprises a liquid cooling plate, an inlet end and an outlet end are arranged on the liquid cooling plate, the liquid cooling plate is divided into at least two areas from the direction close to the inlet end to the direction far from the inlet end, runners are arranged in each area, all the runners are mutually communicated, and the number of the runners in the areas is sequentially increased from the direction close to the inlet end to the direction far from the inlet end. The liquid cooling runner system adopts progressive cooling runner design, avoids the defect of insufficient stamping depth of the runner caused by too narrow runner near the water inlet, is beneficial to the heat dissipation temperature uniformity, and solves the problems of local high temperature and local low temperature; the heat exchange area of the flow channel near the inlet end is small, and the heat exchange between the electric core at the water inlet and the liquid cooling plate is reduced; the multi-heat exchange area of the runner far away from the inlet end greatly improves the heat exchange of the far-end battery cell and the liquid cooling plate, is beneficial to reducing the flow resistance of the heat management component and improving the stamping yield of the liquid cooling plate.
Description
Technical Field
The utility model relates to the field of power batteries, in particular to an incremental liquid cooling runner system and a battery pack.
Background
The battery is a core element of the electric automobile, and the quality and efficiency of the power battery are directly related to and influence the quality and performance of the electric automobile. The battery pack thermal management system is a core component of the battery system, and has the main functions of maintaining the battery system in a proper temperature range in the working process, so that the service performance, the thermal safety and the cycle life of the battery system are ensured, and the battery pack is larger and larger nowadays, and the heat exchange temperature uniformity of a larger cold plate to the battery is a challenge for a liquid cooling system.
As shown in fig. 1 and 2, the current flow channel design method adopted in industry is as follows: the flow channels below each area are taken as a unit, the flow is distributed through the flow channels with variable diameters, so that the requirement of uniform temperature is met, but the temperature distribution of the traditional liquid cooling flow channels shown in fig. 2 shows that the temperature difference between the inlet and outlet of the flow channels and the temperature difference between the inlet and outlet of the flow channels is large, and the temperature difference is too large, so that the uniform temperature is bad; because the size of the liquid cooling plate is bigger, when the cooling liquid is from the inlet runner to the far end, the temperature of the cooling liquid rises, and the cooling efficiency is reduced, so that the runner section near the water inlet is small, the runner section far away from the water inlet is large, the flow of the far-end cooling liquid is increased, the requirement of the liquid cooling plate on the temperature uniformity is met, but the liquid cooling plate is bigger due to the design, the size of the length direction is also very long, and the cooling liquid is extruded to the far end in a mode of reducing the sectional area of the runner, so that the effect is not obvious.
Disclosure of Invention
The utility model aims at: aiming at the problems that the sectional area of a near water inlet is reduced in the prior art, the cooling liquid is extruded to the far end, the effect is not obvious, the cooling liquid flowing into the far end occupies less area, and the temperature uniformity is poor; the sectional area of the runner near the water inlet is small, so that the stamping process is difficult, and the runner collapses; the cross section area of the runner far away from the water inlet is too large, the stamping process is difficult, and the runner bulges.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an incremental type liquid cooling runner system, has included the liquid cooling board, be equipped with entry end and exit end on the liquid cooling board, be divided into two at least regions from being close to the entry end to keeping away from entry end direction on the liquid cooling board, every regional a plurality of runners that are used for carrying liquid and intercommunication each other of seting up, the quantity of all runners is progressively arranged in proper order on the liquid cooling board from being close to the entry end to keeping away from the direction of entry end for reduce the difference in temperature on the liquid cooling board.
The utility model relates to an incremental liquid cooling runner system, which adopts progressive cooling runner design to help the heat dissipation temperature uniformity and solve the problems of local high temperature and local low temperature; the flow passage near the inlet end is less, the heat exchange area is small, and the heat exchange between the electric core at the water inlet and the liquid cooling plate is reduced; the number of flow channels far away from the inlet end is large, the heat exchange area is large, and the heat exchange between the far-end battery cell and the liquid cooling plate is improved; helping to reduce the flow resistance of the thermal management component; the stamping yield of the liquid cooling plate is improved, and the phenomenon that the stamping depth of the runner is insufficient due to the fact that the runner near the inlet end is too narrow (the runner section near the water inlet is small and more cooling liquid can flow to the far end) is avoided.
As a preferable mode of the present utility model, the number difference of the flow passages provided in the two adjacent regions is 1 to 2.
As a preferable scheme of the utility model, the area divided by the liquid cooling plate is provided with an inlet channel communicated with the inlet end and an outlet channel connected with the outlet end of the cooling liquid.
As a preferable scheme of the utility model, the cooling liquid total outlet passage connected with the outlet end is positioned at the middle position of the liquid cooling plate, and the distribution positions of the flow passages in the area on the liquid cooling plate are symmetrically arranged up and down by taking the cooling liquid total outlet passage as the center.
As a preferable mode of the present utility model, the inlet end and the outlet end provided on the liquid cooling plate are positioned on the same side of the liquid cooling plate, so that the area of the flow passage flowing on the liquid cooling plate is increased.
As a preferable scheme of the utility model, the liquid cooling plate is divided into a first area, a second area, a third area, a fourth area and a fifth area according to the incremental arrangement rule of the flow channels, and the liquid cooling plate is divided into the areas so as to better observe the temperature change of each area of the experiment.
As a preferred embodiment of the present utility model, the first region is provided with a first flow passage and a first inlet passage and a first outlet passage, so that the liquid flowing in from the inlet end can flow through the first region from the first inlet passage and flow out from the first outlet passage. The second area is provided with a second flow passage, a second inlet passage and a second outlet passage, so that liquid flowing through the first area can flow into the second area through the second inlet passage and then flow out of the second outlet passage, the third area is provided with a third flow passage, a third inlet passage and a third outlet passage, so that liquid flowing through the second area can flow into the third area through the third inlet passage and then flow out of the third outlet passage, and the fourth area is provided with a fourth flow passage, a fourth inlet passage and a fourth outlet passage, so that liquid flowing through the third area can flow into the fourth area through the fourth inlet passage and then flow out of the fourth outlet passage, and the fifth area is provided with a fifth flow passage, a fifth inlet passage and a fifth outlet passage, so that liquid flowing through the fourth area can flow into the fifth area through the fifth inlet passage.
The liquid cooling plate is divided into five areas, so that the temperature of the cooling liquid close to the water inlet is higher under a low-temperature heating working condition, the temperature of the cooling liquid flowing to the far end is reduced due to heat exchange with the front electric core, the flow channel below the areas is reduced, the heat exchange is reduced, and the electric core at the front end is prevented from being overhigh; the flow channel is added below the region five at the far end, the heat exchange area is enlarged, the heat exchange is increased, and the temperature of the battery cell at the far end is prevented from being too low. In the same way, under the high-temperature cooling working condition, the temperature of the cooling liquid near the water inlet is lower, the temperature of the cooling liquid at the far end is increased due to heat exchange with the front electric core, so that the flow passage below the area is reduced, the heat exchange is reduced, and the temperature of the electric core at the front end is prevented from being too low; the flow channel is added below the region five at the far end, the heat exchange area is enlarged, the heat exchange is increased, and the temperature of the battery cell at the far end is prevented from being too high.
As a preferable scheme of the utility model, the first flow channel, the second flow channel, the third flow channel, the fourth flow channel and the fifth flow channel are sequentially communicated with part of outlet channels of the previous area through inlet channels on respective areas, the other part of outlet channels are directly communicated with the total outlet channels of the cooling liquid, the number of the flow channels is sequentially increased, the number of the flow channels arranged at the farther distance from the inlet is increased, and the heat exchange efficiency is better.
As a preferable scheme of the utility model, the design widths of the first flow channel, the second flow channel, the third flow channel, the fourth flow channel and the fifth flow channel are 18mm to 25mm, and the design widths are 15mm to 25mm of the flow channel width required by the stamping process, so that the stamping yield is high.
As a preferable scheme of the utility model, a plurality of connecting pieces are arranged on the lower end face of the liquid cooling plate, the connecting pieces are used as opponents of the quick connector, and a plurality of through holes are arranged on the liquid cooling plate, so that the liquid cooling plate and the box body cross beam can be locked through the through holes.
A battery pack comprises the incremental liquid cooling runner system.
The utility model relates to a battery pack, which comprises an incremental liquid cooling runner system, so that when the battery pack needs to radiate heat, the temperature difference between all parts inside the battery pack is reduced, and the temperature uniformity of the battery pack is increased.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the incremental liquid cooling runner system, progressive cooling runner design is adopted to facilitate heat dissipation and the temperature uniformity, so that the problem of local high temperature and local low temperature is solved; the flow passage near the water inlet is less, the heat exchange area is small, and the heat exchange between the electric core at the water inlet and the liquid cooling plate is reduced; the number of flow channels far away from the water inlet is large, the heat exchange area is large, and the heat exchange between the remote electric core and the liquid cooling plate is improved; helping to reduce the flow resistance of the thermal management component; the stamping yield of the liquid cooling plate is improved, and the phenomenon that the stamping depth of the runner is insufficient due to the fact that the runner near the water inlet is too narrow (the runner section near the water inlet is small and more cooling liquid can flow to the far end) is avoided.
2. According to the incremental liquid cooling runner system disclosed by the utility model, the runners are designed on the liquid cooling plate in a progressive manner, so that the temperature of cooling liquid close to a water inlet is higher under a low-temperature heating working condition, and the temperature of the cooling liquid flowing to the far end is reduced due to heat exchange with a front electric core, so that the runners below a region are reduced, the heat exchange is reduced, and the temperature of the electric core at the front end is prevented from being too high; the flow channel is added below the region five at the far end, the heat exchange area is enlarged, the heat exchange is increased, and the temperature of the battery cell at the far end is prevented from being too low. In the same way, under the high-temperature cooling working condition, the temperature of the cooling liquid near the water inlet is lower, the temperature of the cooling liquid at the far end is increased due to heat exchange with the front electric core, so that the flow passage below the area is reduced, the heat exchange is reduced, and the temperature of the electric core at the front end is prevented from being too low; the flow channel is added below the region five at the far end, the heat exchange area is enlarged, the heat exchange is increased, the temperature of the battery cell at the far end is prevented from being too high, the temperature difference is optimized and improved by at least 25% from the aspect of performance, and the whole package temperature difference is smaller; the flow resistance optimization is improved by at least 15%, and the flow resistance of the whole package is smaller.
3. According to the incremental liquid cooling runner system, the requirement of uniform temperature can be met without deliberately reducing the width of the runner from the technical aspect, and the yield is improved due to the reasonable width of the runner in the stamping process.
4. According to the battery pack, the incremental liquid cooling runner system is arranged in the battery pack, so that when the battery pack needs to radiate heat, the temperature difference between all parts in the battery pack is reduced, and the temperature uniformity of the battery pack is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art liquid cooling structure;
FIG. 2 is a schematic diagram of the temperature distribution of a liquid cooling plate in the prior art;
FIG. 3 is a schematic view of the liquid cooling plate area structure of the present utility model;
FIG. 4 is a flow-through schematic of a first area partial enlargement of the present utility model;
FIG. 5 is a flow schematic of a second area partial enlarged view B of the present utility model;
FIG. 6 is a flow schematic of a third area partial enlargement C of the present utility model;
FIG. 7 is a flow schematic of a fourth area enlargement D of the present utility model;
FIG. 8 is a flow schematic of a fifth area enlargement E of the present utility model;
FIG. 9 is a schematic cross-sectional view of a flow channel of the present utility model;
FIG. 10 is a schematic view of a flow channel width partial method A section of the present utility model;
FIG. 11 is a schematic view of the back structure of the liquid cooling plate of the present utility model;
FIG. 12 is an isometric view of the back structure of the liquid cooled panel of the present utility model;
FIG. 13 is a schematic side view of a liquid cooling plate according to the present utility model;
FIG. 14 is a schematic view of the temperature distribution of the progressive flow path of the liquid cooling plate according to the present utility model;
FIG. 15 is a schematic flow diagram of a fluid cooling plate flow path according to the present utility model.
Icon: 1-a liquid cooling plate; 2-a first region; 3-a second region; 4-a third region; 5-fourth region; 6-fifth region; 7-through holes; 8-connecting piece; 9-an inlet end; 10-outlet end; 11-a total cooling liquid outlet channel; 21-a first flow channel; 22-first inlet channel; 23-a first outlet channel; 31-a second flow channel; 32-a second inlet channel; 33-a second outlet channel; 41-a third flow channel; 42-a third inlet channel; 43-a third outlet channel; 51-fourth flow channel; 52-fourth inlet lane; 53-fourth outlet channel; 61-fifth flow channel; 62-fifth inlet lane; 63-fifth outlet channel.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 3, the utility model is an incremental liquid cooling runner system, which comprises a liquid cooling plate 1, wherein an inlet end 9 and an outlet end 10 are arranged on the liquid cooling plate 1, the liquid cooling plate 1 is divided into at least two areas from the direction close to the inlet end 9 to the direction far away from the inlet end 9, a plurality of runners are arranged on each area, and the runners are sequentially communicated, so that cooling liquid can be conveyed in the runners, the number of all the runners is sequentially increased on the liquid cooling plate from the direction close to the inlet end 9 to the direction far away from the inlet end 9, the number of runners far away from the inlet end 9 is increased, and the heat exchange efficiency is improved.
The number difference of the flow channels between two adjacent areas on the liquid cooling plate 1 is 1-2.
The above-mentioned areas are provided with an inlet channel and an outlet channel, the inlet channel is communicated with the inlet end 9, and the outlet channel is communicated with the outlet end 10, as shown in fig. 3.
The above-mentioned cooling liquid total outlet channel 11 connected with the outlet end 10 is positioned in the middle of the liquid cooling plate, and the distribution arrangement of the flow channels in each region is vertically symmetrical with the cooling liquid total outlet channel 11 as the center, as shown in fig. 3 and 15.
The inlet end 9 and the outlet end 10 are both disposed at the same end of the liquid cooling plate 1, so that the path of the cooling liquid flowing from the inlet end 9 to the outlet end 10 on the liquid cooling plate 1 is prolonged, and the liquid cooling plate 1 can be better subjected to heat exchange, as shown in fig. 3.
The above-mentioned areas on the liquid cooling plate 1 are divided into a first area 2, a second area 3, a third area 4, a fourth area 5 and a fifth area 6, so that the flow channel relation among the areas and the liquid temperature condition in the flow channel are more convenient for observation experiments. As shown in fig. 4.
The first area 2 is provided with the first flow passage 21, the first inlet passage 22 and the first outlet passage 23, so that the liquid flowing in from the inlet end 9 can flow through the first area 2 from the first inlet passage 22 and then flow out from the first outlet passage 23, the second area 3 is provided with the second flow passage 31, the second inlet passage 32 and the second outlet passage 33, so that the liquid flowing in the first area 2 can flow into the second area 3 through the second inlet passage 32 and then flow out from the second outlet passage 33, the third area 4 is provided with the third flow passage 41, the third inlet passage 42 and the third outlet passage 43, so that the liquid flowing in the second area 3 can flow into the third area 4 through the third inlet passage 42 and then flow out from the third outlet passage 43, the fourth area 5 is provided with the fourth flow passage 51, the fourth inlet passage 52 and the fourth outlet passage 53, so that the liquid flowing in the third area 4 can flow into the fourth area 5 through the fourth inlet passage 52, then flow out from the fifth area 5 through the fifth inlet passage 62, and the fifth area 6 can flow out from the fifth area 6 through the fifth inlet passage 62, and the fifth area 6-the fifth area 6 can flow out through the fifth area 6, as shown in fig. 6.
The first flow channel 21, the second flow channel 31, the third flow channel 41, the fourth flow channel 51 and the fifth flow channel 61 are sequentially communicated with part of the outlet channels in the previous area through respective inlet channels, the other part of the outlet channels are directly communicated with the total cooling liquid outlet channel 11, specifically, the first inlet channel 22 is communicated with the inlet end 9, the first outlet channel 23 is communicated with the second inlet channel 32, the second outlet channel 33 is communicated with the third inlet channel 42, the third outlet channel 43 is communicated with the fourth inlet channel 52 and the fourth outlet channel 53 is communicated with the fifth inlet channel 62, the number of the flow channels sequentially increases, and the number of the flow channels arranged further away from the inlet end 9 increases, so that the heat exchange efficiency is increased, as shown in fig. 3-8.
The widths of the first flow channel 21, the second flow channel 31, the third flow channel 41, the fourth flow channel 51 and the fifth flow channel 61 are designed to be 18mm to 25mm, the designed flow channel widths are 15-25mm of the flow channel widths required by the stamping process, and the stamping yield is high, as shown in fig. 9-10.
The back area of the liquid cooling plate 1 is provided with a plurality of connecting pieces 8, the connecting pieces 8 are tubular, the liquid cooling plate 1 can be connected with a quick connector through the connecting pieces 8, as shown in fig. 9-13, the liquid cooling plate 1 is provided with a plurality of through holes 7, and the liquid cooling plate and a box body cross beam can be locked through the through holes, so that the liquid cooling plate 1 is prevented from falling down, as shown in fig. 9-13.
The flow direction of the incremental liquid cooling flow channel system is shown in fig. 15, the liquid flows into the flow channels of each area after entering through the inlet end 9, and the outlet channels communicated with the cooling liquid total outlet flow channel 11 are arranged in each area, so that the cooling liquid is split in the liquid cooling plate 1, and finally, the converging flow is realized to the outlet end 10 in the cooling liquid total outlet channel 11, and the liquid outlet and the liquid inlet of the cooling liquid are realized through the connecting pieces 8 correspondingly arranged at the back parts of the outlet end 10 and the inlet end 9.
Example 2
The utility model relates to a battery pack, which comprises an incremental liquid cooling runner system, wherein the progressive liquid cooling runner system is arranged in the battery pack, so that the temperature difference between all parts of the battery pack is ensured to be smaller when the battery pack is cooled, the heat exchange effect in the battery pack is improved, and the condition that the temperature of one end of the battery pack far from a cooling liquid inlet end 9 is higher is avoided.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (11)
1. The utility model provides an incremental type liquid cooling runner system, its characterized in that, includes liquid cooling board (1), be provided with entry end (9) and exit end (10) on liquid cooling board (1), be divided into two at least regions from being close to entry end (9) to keeping away from entry end (9) direction on liquid cooling board (1), every be equipped with the runner in the region, each the runner communicates each other, the runner quantity in the region is from being close to entry end (9) to keeping away from entry end (9) direction progressively increases in proper order and sets up.
2. An incremental liquid cooling flow channel system according to claim 1 and wherein the difference in the number of flow channels between adjacent ones of said regions is 1-2.
3. An incremental liquid-cooled runner system according to claim 1, wherein each of the zones is provided with an inlet channel and an outlet channel, and wherein the inlet channels communicate with the inlet end (9) and the outlet channels communicate with the outlet end (10).
4. An incremental liquid cooling flow channel system according to claim 1, characterized in that the total cooling liquid outlet channel (11) connected to the outlet end (10) is located in the middle of the liquid cooling plate, and the flow channels in each region are distributed symmetrically up and down with the total cooling liquid outlet channel (11) as the center.
5. An incremental liquid-cooled runner system according to claim 4 wherein the inlet end (9) and the outlet end (10) are both located at the same end on the liquid-cooled plate (1).
6. An incremental liquid-cooled runner system according to claim 1, wherein the liquid-cooled plate (1) is divided into a first region (2), a second region (3), a third region (4), a fourth region (5), and a fifth region (6) according to the incremental relationship of the runners.
7. An incremental liquid cooling flow channel system according to claim 6, characterized in that the first area (2) is provided with a first flow channel (21), a first inlet channel (22) and a first outlet channel (23), the second area (3) is provided with a second flow channel (31), a second inlet channel (32) and a second outlet channel (33), the third area (4) is provided with a third flow channel (41), a third inlet channel (42) and a third outlet channel (43), the fourth area (5) is provided with a fourth flow channel (51), a fourth inlet channel (52) and a fourth outlet channel (53), and the fifth area (6) is provided with a fifth flow channel (61), a fifth inlet channel (62) and a fifth outlet channel (63).
8. An incremental liquid cooling flow channel system according to claim 7 is characterized in that the first flow channel (21), the second flow channel (31), the third flow channel (41), the fourth flow channel (51), the fifth flow channel (61) are respectively communicated with part of the outlet channels of the previous area through respective inlet flow channels, and the number of flow channels is sequentially increased.
9. An incremental liquid-cooled runner system according to claim 8 characterized in that the widths of the first runner (21), the second runner (31), the third runner (41), the fourth runner (51), the fifth runner (61) are set to between 18mm and 25 mm.
10. The incremental liquid cooling runner system according to claim 1, wherein a plurality of connecting pieces (8) are arranged on the lower end face of the liquid cooling plate (1), and a plurality of through holes (7) are formed in the liquid cooling plate (1).
11. A battery pack, characterized by comprising an incremental liquid cooling runner system according to any one of claims 1-10, wherein battery module units are correspondingly arranged on each region of the liquid cooling plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223386212.7U CN219303785U (en) | 2022-12-16 | 2022-12-16 | Incremental liquid cooling runner system and battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223386212.7U CN219303785U (en) | 2022-12-16 | 2022-12-16 | Incremental liquid cooling runner system and battery pack |
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| Publication Number | Publication Date |
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| CN219303785U true CN219303785U (en) | 2023-07-04 |
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| CN202223386212.7U Active CN219303785U (en) | 2022-12-16 | 2022-12-16 | Incremental liquid cooling runner system and battery pack |
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| Country | Link |
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| CN (1) | CN219303785U (en) |
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- 2022-12-16 CN CN202223386212.7U patent/CN219303785U/en active Active
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