CN220439708U - Liquid cooling plate for CTP structure and battery box - Google Patents
Liquid cooling plate for CTP structure and battery box Download PDFInfo
- Publication number
- CN220439708U CN220439708U CN202321728134.6U CN202321728134U CN220439708U CN 220439708 U CN220439708 U CN 220439708U CN 202321728134 U CN202321728134 U CN 202321728134U CN 220439708 U CN220439708 U CN 220439708U
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- liquid cooling
- cooling plate
- plate unit
- box body
- battery
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- 238000001816 cooling Methods 0.000 title claims abstract description 162
- 239000007788 liquid Substances 0.000 title claims abstract description 159
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 238000005728 strengthening Methods 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000010079 rubber tapping Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 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
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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 provides a liquid cooling plate and a battery box for a CTP structure, wherein the liquid cooling plate comprises a plurality of liquid cooling plate units which are arranged in parallel, a plurality of mounting holes for fixing with the battery box body are formed in the liquid cooling plate units, a water inlet and a water outlet are formed in the liquid cooling plate units, the water inlet and the water outlet between adjacent liquid cooling plate units are connected through connecting pipes, and long pipes for connecting a whole vehicle liquid cooling system are arranged in the liquid cooling plate units which are arranged in parallel, wherein the two liquid cooling plate units are positioned at the head and the tail. According to the utility model, the whole liquid cooling plate is arranged into the plurality of liquid cooling plate units which are arranged in parallel, so that the size of the liquid cooling plate unit is small, the size is better to control, and the manufacturing cost is greatly reduced; and the liquid cooling plate unit is directly fixedly connected with the box body through the mounting hole, FDS self-tapping nails are not required to be beaten, a large amount of manufacturing time can be saved, and meanwhile, the cost of a single piece can be reduced.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a liquid cooling plate for a CTP structure and a battery box.
Background
With the rapid rise of new energy, all host factories are greatly developing towards the design direction of low cost and high energy density. As shown in fig. 5, the conventional liquid cooling plate is composed of an upper plate, a lower plate and a water inlet and outlet, the upper plate and the lower plate are welded together by using a brazing process, so that no liquid leakage is ensured, a plurality of holes are formed in the upper plate and the lower plate and used for being fixed with a box body, and the water inlet and outlet is connected to the outside of the box body and connected with the whole vehicle. As shown in fig. 6, the lines on the inner side surface of the liquid cooling plate are the flow channels of the liquid cooling plate, and the liquid enters from the water inlet and flows out from the water outlet after circulating in the flow channels of the liquid cooling plate for one circle.
However, the lines of the upper layer plate and the lower layer plate of the traditional liquid cooling plate are required to be formed through stamping, the size of the liquid cooling plate is larger, the stamping cost is higher, in addition, 60-80 FDS nails are required to be punched from the bottom of the traditional liquid cooling plate and the box body, one FDS nail is required to be punched every half minute, and a large amount of time is required to be consumed. Therefore, the traditional liquid cooling plate has mature process but high cost.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and provides a liquid cooling plate and a battery box for a CTP structure.
The utility model provides a liquid cooling plate for a CTP structure, which comprises a plurality of liquid cooling plate units arranged in parallel, wherein a plurality of mounting holes for fixing a battery box body are formed in the liquid cooling plate units, a water inlet and a water outlet are formed in the liquid cooling plate units, the water inlet and the water outlet between adjacent liquid cooling plate units are connected through connecting pipes, and long pipes for connecting a whole vehicle liquid cooling system are arranged in the liquid cooling plate units arranged in parallel, wherein the two liquid cooling plate units are positioned at the head and the tail.
The whole liquid cooling plate is arranged into the plurality of liquid cooling plate units which are arranged in parallel, so that the size of the liquid cooling plate unit is small, the size is better to control, and the manufacturing cost is greatly reduced; and the liquid cooling plate unit is directly fixedly connected with the box body through the mounting hole, FDS self-tapping nails are not required to be beaten, a large amount of manufacturing time can be saved, and meanwhile, the cost of a single piece can be reduced.
Further, a plurality of reinforcing ribs are arranged in the liquid cooling plate unit.
Through set up the strengthening rib in the liquid cooling board unit for liquid cooling board unit has good bearing capacity, does not need to make the electricity core module, can directly place the electricity core on liquid cooling board unit, thereby has removed the link that the module was made, shortens the time of PACK assembly, has improved manufacturing efficiency greatly.
Further, the inside of liquid cooling board unit is provided with the runner, the strengthening rib is located the runner, the runner with the strengthening rib is all followed the length direction of liquid cooling board unit arranges.
The strengthening rib is arranged along the length direction of liquid cooling board unit for the strengthening rib is equivalent to spandrel girder, can improve liquid cooling board unit bearing capacity.
Further, the mounting holes are formed in four corners of the liquid cooling plate unit.
The mounting holes are formed in four corners of the liquid cooling plate unit, so that the occupied area of the mounting holes can be reduced, and the liquid cooling area of the liquid cooling plate unit is increased.
Further, the upper side and the lower side of the liquid cooling plate unit are coated with electrophoretic paint.
The electrophoresis paint can play an insulating role, so that when the battery cell is placed on the liquid cooling plate, short circuit cannot occur due to damage of the blue film, and safety accidents are prevented.
The utility model also provides a battery box comprising the liquid cooling plate.
Further, the box comprises a box body, a plurality of cross beams are arranged at the bottom of the box body, and two ends of the liquid cooling plate unit are fixed on the cross beams through mounting holes.
The two ends of the liquid cooling plate unit are fixed with the box body through bolts on the mounting holes, and when the box body or the liquid cooling plate unit is damaged, the box body or the liquid cooling plate unit can be replaced in time, so that the disassembly time can be saved, and the replacement of the whole battery box can be avoided.
Further, the box body is internally provided with a plurality of layers of electric cores in parallel, the large faces of the electric cores are parallel to the bottom face of the box body, the liquid cooling plate units are arranged between two adjacent layers of electric cores, and the liquid cooling plate units are attached to the large faces of the electric cores.
The liquid cooling mode is to cool the large surface of the battery cell, and compared with a traditional liquid cooling plate, the liquid cooling area is increased to three times of that of the traditional liquid cooling plate, so that the liquid cooling effect is good, the highest temperature of the battery during charging can be greatly reduced, and the risk of spontaneous combustion of the new energy automobile is greatly reduced.
Further, the upper side and the lower side of the liquid cooling plate unit are coated with heat conduction structural adhesive.
The heat conduction structure adhesive not only can fix the battery cell, but also can promote the liquid cooling effect of the liquid cooling plate unit.
Further, among the multiple layers of the battery cells, the lowest layer of the battery cell is fixedly connected with the bottom of the box body through structural adhesive.
The beneficial effects of the utility model are as follows: compared with the traditional liquid cooling plate, the traditional liquid cooling plate has large size, only the manufacturing cost can be increased if the size is more accurate, but the utility model has the advantages that the whole liquid cooling plate is arranged into a plurality of liquid cooling plate units which are arranged in parallel, the size of the liquid cooling plate unit is small, the size is better to control, and the manufacturing cost is greatly reduced; and the liquid cooling plate unit is directly fixedly connected with the box body through the mounting hole, FDS self-tapping nails are not required to be beaten, a large amount of manufacturing time can be saved, and meanwhile, the cost of a single piece can be reduced.
Drawings
FIG. 1 is a schematic diagram of a liquid cooling plate according to the present utility model;
FIG. 2 is a schematic diagram of a liquid cooling plate unit according to the present utility model;
FIG. 3 is a schematic diagram of the internal structure of the liquid cooling plate unit according to the present utility model;
FIG. 4 is a schematic view of the internal structure of the battery box according to the present utility model;
FIG. 5 is a schematic diagram of a liquid cooling plate in the prior art;
fig. 6 is a schematic view of the structure of the inner side of a liquid cooling plate in the prior art.
Reference numerals: 1-a liquid cooling plate unit; 2-mounting holes; 3-a water inlet; 4-a water outlet; 5-connecting pipes; 6-long tube; 7-reinforcing ribs; 8-flow channels; 9-electrophoretic paint; 10-a cross beam; 11-an electric core; 12-box body.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
As shown in fig. 1, a liquid cooling plate for CTP structure, including a plurality of liquid cooling plate units 1 of parallel arrangement, liquid cooling plate unit 1 is rectangular platy structure, and liquid cooling plate unit 1 has seted up water inlet 3 and delivery port 4, and water inlet 3 and delivery port 4 set up the same end at liquid cooling plate unit 1, and water inlet 3 and delivery port 4 between the adjacent liquid cooling plate unit 1 pass through connecting pipe 5 and connect, and in a plurality of liquid cooling plate unit 1 of parallel arrangement, two liquid cooling plate units 1 that lie in the head and the tail are provided with the long tube 6 that is used for connecting whole car liquid cooling system, and long tube 6 leads to the battery package outside and is connected with whole car liquid cooling system. The connecting pipe 5 and the long pipe 6 are hoses.
The four corners of the liquid cooling plate unit 1 are provided with mounting holes 2, and the mounting holes 2 are used for being fixed with the battery box 12.
As shown in fig. 2, the upper and lower sides of the liquid cooling plate unit 1 are coated with the electrophoretic paint 9, the electrophoretic paint 9 has an insulating effect, and when the battery cell 11 is placed on the liquid cooling plate, the battery cell is prevented from being short-circuited due to damage of a blue film, so that safety accidents are prevented.
As shown in fig. 3, the liquid cooling plate unit 1 is internally provided with the flow channel 8 and the reinforcing rib 7, the reinforcing rib 7 and the flow channel 8 are all arranged along the length direction of the liquid cooling plate unit 1, the reinforcing rib 7 can be regarded as a bearing beam of the liquid cooling plate unit 1, the bearing capacity of the liquid cooling plate unit 1 can be greatly improved, and the liquid cooling plate unit 1 is of a strip-shaped structure, the deformation of the middle part is the largest, so that the reinforcing rib 7 can be designed into a variable cross-section structure, namely, the middle part of the reinforcing rib 7 is higher, and the height of the reinforcing rib is gradually reduced from the middle part to the two ends, thereby ensuring the bearing capacity of the liquid cooling plate unit 1.
As shown in fig. 4, the liquid cooling plate unit 1 is installed in the box 12, a plurality of layers of electric cores 11 and a plurality of cross beams 10 are arranged in the box 12, the cross beams 10 are arranged at two ends of the plurality of layers of electric cores 11, the large surface of each layer of electric core 11 is arranged in parallel with the bottom surface of the box 12, and the liquid cooling plate unit 1 is arranged between two adjacent layers of electric cores 11, so that the liquid cooling plate unit 1 can cool the large surface of the electric core 11, and the cooling effect of the electric core 11 is improved; and the upper side and the lower side of the battery core 11 positioned in the middle layer are both provided with liquid cooling plates for cooling, so that the cooling effect is good.
Each liquid cooling plate unit 1 can correspond to two rows of electric cells 11, and the specific design width of the liquid cooling plate unit 1 and the height of the electric cells 11 are determined. Four mounting holes 2 at two ends of the liquid cooling plate unit 1 are fixedly connected with the cross beam 10 through bolts. The battery cell 11 of the lowest layer is fixedly connected with the bottom of the box 12 through structural adhesive, the upper side surface and the lower side surface of the liquid cooling plate unit 1 are fixedly connected with the battery cell 11 of the upper layer and the lower layer through the heat conduction structural adhesive, and the heat conduction structural adhesive has the effect of fixing the battery cell 11 and also has the effect of heat conduction. The long tube 6 of the liquid cooling plate unit 1 is connected with two water nozzles of the box body 12.
The liquid cooling plate unit 1 is easy to fix and has low cost. Compared with the traditional liquid cooling plate, the structure of the plurality of liquid cooling plate units 1 is identical, and the die cost is 20 to 25 times less than that of the traditional liquid cooling plate; the traditional liquid cooling plate has larger size, only the manufacturing cost can be increased if the size is more accurate, but the liquid cooling plate unit 1 has small size and better control of the size, so the manufacturing cost is relatively low; compared with the traditional design, the fixing mode is also optimized, 60-80 FDS self-tapping nails are required to be punched on the traditional liquid cooling plate, and a large amount of time and cost are required, and the liquid cooling plate unit 1 only needs to fix four bolts, so that a large amount of manufacturing time can be saved, and meanwhile, the cost of a single piece can be reduced.
The liquid cooling plate unit 1 has better structural strength, is convenient for whole package and assembly and has high manufacturing efficiency. The traditional liquid cooling plate is manufactured by adopting the brazing process of the upper layer plate and the lower layer plate because of larger area, so that the liquid cooling plate with the structure cannot bear the weight of the battery cell 11 and the module, therefore, the battery cell 11 can only be combined into the module, and then the module is fixed on the beam 10 of the box body 12, the types and the number of parts of the whole package are increased, the workload is greatly increased, and the PACK manufacturing efficiency is low. The liquid cooling plate unit 1 provided by the utility model is provided with a plurality of reinforcing ribs 7 as the spandrel girder, so that the liquid cooling plate unit 1 has good bearing capacity, the battery cell 11 is not required to be made into a module, and the battery cell 11 can be directly placed on the liquid cooling plate, so that the link of module manufacturing is eliminated, the time for PACK assembly is shortened, and the manufacturing efficiency is greatly improved.
The liquid cooling plate unit 1 is convenient to disassemble and maintain. The traditional FDS is fixed with box 12 for the liquid cooling board, in case after the FDS self-tapping screw is beaten, the liquid cooling board just can't dismantle, consequently in case the damaged scheduling problem of box 12 or liquid cooling board appears, only can make a battery package again, extravagant resource, unable dismantlement maintenance. The liquid cooling plate unit 1 is fixed with the box body 12 by adopting bolts, and the box body 12 or the liquid cooling plate can be replaced in time when damaged, so that the time can be saved, and the waste of materials can be avoided.
The liquid cooling plate of the liquid cooling plate unit 1 has good cooling effect and supports quick charge. Many new energy vehicles are spontaneously ignited during charging, mainly the liquid cooling effect is poor, and the temperature of the battery cell 11 is high, so that thermal runaway occurs. The traditional liquid cooling plate cools the battery cell 11 from the bottom of the battery cell 11, so that the cooling area is small. The liquid cooling plate unit 1 of the utility model cools the large surface of the battery core 11, and the liquid cooling area is increased to three times of the traditional liquid cooling area, so that the liquid cooling effect is more, the highest temperature of the battery during charging can be greatly reduced, and the risk of spontaneous combustion of new energy is greatly shortened.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (10)
1. A liquid cooling board for CTP structure, its characterized in that: including a plurality of liquid cooling board units (1) of parallel arrangement, set up a plurality of mounting holes (2) that are used for with battery box (12) fixed on liquid cooling board unit (1), water inlet (3) and delivery port (4) have been seted up to liquid cooling board unit (1), adjacent between liquid cooling board unit (1) water inlet (3) with delivery port (4) are connected through connecting pipe (5), a plurality of parallel arrangement in liquid cooling board unit (1), be located two liquid cooling board units (1) of head and the tail and be provided with long tube (6) that are used for connecting whole car liquid cooling system.
2. The liquid cooling plate for CTP structures according to claim 1, wherein: a plurality of reinforcing ribs (7) are arranged in the liquid cooling plate unit (1).
3. The liquid cooling plate for CTP structures according to claim 2, wherein: the inside of liquid cooling board unit (1) is provided with runner (8), strengthening rib (7) are located runner (8), runner (8) with strengthening rib (7) are all followed the length direction of liquid cooling board unit (1) arranges.
4. A liquid cooling plate for CTP structures according to any one of claims 1 to 3, wherein: the mounting holes (2) are formed in four corners of the liquid cooling plate unit (1).
5. A liquid cooling plate for CTP structures according to any one of claims 1 to 3, wherein: the upper side and the lower side of the liquid cooling plate unit (1) are coated with electrophoretic paint (9).
6. A battery box, characterized in that: a liquid cooling plate for CTP structure comprising any one of claims 1 to 5.
7. The battery box according to claim 6, wherein: the liquid cooling plate unit comprises a box body (12), wherein a plurality of cross beams (10) are arranged at the bottom of the box body (12), and two ends of the liquid cooling plate unit (1) are fixed on the cross beams (10) through mounting holes (2).
8. The battery box according to claim 6, wherein: the battery pack is characterized in that multiple layers of battery cells (11) are arranged in parallel in the box body (12), the large surface of each battery cell (11) is parallel to the bottom surface of the box body (12), the liquid cooling plate unit (1) is arranged between two adjacent layers of battery cells (11), and the liquid cooling plate unit (1) is attached to the large surface of each battery cell (11).
9. The battery box as claimed in claim 8, wherein: the upper side and the lower side of the liquid cooling plate unit (1) are coated with heat conduction structural adhesive.
10. The battery box as claimed in claim 8, wherein: among the multiple layers of the electric cores (11), the lowest layer of the electric core (11) is fixedly connected with the bottom of the box body (12) through structural adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321728134.6U CN220439708U (en) | 2023-07-04 | 2023-07-04 | Liquid cooling plate for CTP structure and battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321728134.6U CN220439708U (en) | 2023-07-04 | 2023-07-04 | Liquid cooling plate for CTP structure and battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220439708U true CN220439708U (en) | 2024-02-02 |
Family
ID=89699190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321728134.6U Active CN220439708U (en) | 2023-07-04 | 2023-07-04 | Liquid cooling plate for CTP structure and battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220439708U (en) |
-
2023
- 2023-07-04 CN CN202321728134.6U patent/CN220439708U/en active Active
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