CN220652118U - CTP structure with integrated bottom guard plate and liquid cooling plate - Google Patents
CTP structure with integrated bottom guard plate and liquid cooling plate Download PDFInfo
- Publication number
- CN220652118U CN220652118U CN202322162398.6U CN202322162398U CN220652118U CN 220652118 U CN220652118 U CN 220652118U CN 202322162398 U CN202322162398 U CN 202322162398U CN 220652118 U CN220652118 U CN 220652118U
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- Prior art keywords
- liquid cooling
- cooling plate
- plate
- water pipe
- box body
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- 239000007788 liquid Substances 0.000 title claims abstract description 75
- 238000001816 cooling Methods 0.000 title claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000006260 foam Substances 0.000 claims description 11
- 239000011253 protective coating Substances 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a CTP structure with an integrated bottom guard plate and a liquid cooling plate, which comprises a box body frame, a battery module, a box body bottom plate and a water pipe connecting part, wherein the box body frame is provided with a plurality of liquid cooling plates; the box body frame is welded with the box body bottom plate; the box body frame and the box body bottom plate are surrounded to form a containing cavity, and the battery module is arranged in the containing cavity; the box bottom plate comprises a plurality of liquid cooling plates, and the liquid cooling plates comprise a liquid cooling plate body, a liquid cooling plate water inlet and a liquid cooling plate water outlet. The utility model reduces the number of a large number of parts by the integrated design of the bottom guard plate and the liquid cooling plate, thereby simplifying the process and reducing the cost.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a CTP structure with an integrated bottom guard plate and a liquid cooling plate.
Background
With the increasing heat of new energy industry and the strong support of the country, consumers gradually start to select new energy automobiles, in the design of a power battery system of a traditional new energy automobile, the manufacturing process of a battery module generally at least needs to use an end plate and a side plate, a long bolt lock module is also needed after the module is installed, and parts such as a liquid cooling plate, a protection plate and the like are also needed to be arranged outside a box body structure. The design of the power battery system of the traditional new energy automobile has the problems of low endurance, low production efficiency and high manufacturing cost caused by the large number of parts, large mass and complex process.
Disclosure of Invention
Based on this, it is necessary to solve the problems of the prior art that the number of parts is large, the quality is large, the process is complex, the endurance is low, the production efficiency is low, and the manufacturing cost is high in the design of the power battery system. The utility model provides a CTP structure with a bottom guard plate and a liquid cooling plate integrated, which has the advantages of small number of parts, small mass and simple process, and the technical scheme adopted for solving the problems in the prior art is as follows:
a CTP structure integrating a bottom guard plate and a liquid cooling plate comprises a box body frame, a battery module, a box body bottom plate, a water pipe connecting part and a protective coating; the box body frame is welded with the box body bottom plate; the box body frame and the box body bottom plate are surrounded to form a containing cavity, and the battery module is arranged in the containing cavity;
the box bottom plate comprises a plurality of liquid cooling plates, each liquid cooling plate comprises a liquid cooling plate body, a liquid cooling plate water inlet and a liquid cooling plate water outlet, the liquid cooling plate water inlet and the liquid cooling plate water outlet are respectively positioned on two sides of the liquid cooling plate body, the liquid cooling plate water inlet and the liquid cooling plate water outlet are connected with the box water inlet and outlet through water pipe connecting parts, and the protective coating is coated below the box bottom plate.
Further, the liquid cooling plate body is internally provided with reinforcing ribs.
Further, the water pipe connecting part comprises two water pipes connected in series, a plurality of connecting water pipes and a plurality of water pipe adapters, the water inlets of the liquid cooling plates are connected through one water pipe connected in series, the water outlets of the liquid cooling plates are connected through another water pipe connected in series, the water pipes connected in series are connected with the connecting water pipes through the water pipe adapters, the connecting water pipes are connected with the water inlets and the water outlets of the box body through the water pipe adapters, and the adjacent connecting water pipes are connected through the water pipe adapters.
Furthermore, the connecting water pipe is sleeved with a binding belt buckle.
Furthermore, a sealing ring is arranged inside the water pipe adapter.
Further, the battery module comprises a plurality of electric cells and electric cell protection materials.
Furthermore, the battery cell protective material is a plurality of epoxy resin layers and a plurality of foam tapes.
Further, the epoxy resin layer covers four sides of each cell.
Further, the foam is filled between every two adjacent groups of electric cores.
Further, the protective coating is a PVC coating.
Further, heat conduction structural adhesive is filled between the battery module and the bottom plate of the box body.
Due to the adoption of the technical scheme, the beneficial effects of the application are that:
according to the utility model, through the design of integrating the bottom guard plate and the liquid cooling plate and the CTP design of the light battery module, the number of parts of the power battery system is reduced, the quality is reduced, and the process is simplified, so that the cost is greatly reduced, the production efficiency is improved, and the cruising time is indirectly improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a CTP structure with an integrated bottom guard plate and liquid cooling plate;
fig. 2 is a schematic structural view of a CTP structure in which an upper bottom guard plate and a liquid cooling plate are integrated in a battery module according to the present utility model;
fig. 3 is a schematic structural view of the battery module in the CTP structure process of integrating the upper bottom guard plate and the liquid cooling plate according to the present utility model;
fig. 4 is a schematic view of a battery module structure according to the present utility model;
FIG. 5 is a schematic diagram of a liquid cooling structure according to the present utility model;
wherein: 1. a box frame; 2. a battery module; 3. a bottom plate of the box body; 4. a liquid cooling plate; 5. a liquid cooling plate water inlet; 6. a water outlet of the liquid cooling plate; 7. a water pipe is connected in series; 8. connecting a water pipe; 9. a water pipe adapter; 10. a battery cell; 11. an epoxy resin layer; 12. soaking cotton; 13. a heat conducting structural adhesive; 14. a water inlet and a water outlet of the box body; 15. a protective coating; 16. reinforcing ribs.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 and 2, the utility model provides a CTP structure with a bottom guard plate and a liquid cooling plate integrated, which comprises a box frame 1, a battery module 2, a box bottom plate 3, a water pipe connecting part and a protective coating 15; the box body frame 1 is welded with the box body bottom plate 3, so that the integral strength of the box body can be increased, and the integral tightness of the box body can be improved; the box body frame 1 and the box body bottom plate 3 are surrounded to form a containing cavity, and the battery module 2 is arranged in the containing cavity; the box bottom plate 3 comprises polylith liquid cooling board 4, liquid cooling board 4 includes liquid cooling board body, liquid cooling board water inlet 5 and liquid cooling board delivery port 6 are located respectively in liquid cooling board body both sides, liquid cooling board water inlet 5 and liquid cooling board delivery port 6 are connected with box water inlet and outlet 14 through water piping connection spare, the protection coating is also can increase the holistic seal of box when increasing box bottom plate intensity at box bottom plate 3 to play the effect that prevents stone, earth, road surface hydrops and beat. The utility model adopts the mode of welding the box frame 1 and the box bottom plate 3, the structure of arranging the reinforcing ribs in the liquid cooling plate 4 and the mode of coating the box bottom plate 3 with a protective layer, thereby strengthening the strength of the whole box, particularly the bottom; the traditional bottom guard board is replaced by adopting a mode of coating the box bottom plate 3, so that the number of parts is reduced.
Preferably, the liquid cooling plate body is internally provided with reinforcing ribs to further increase the strength of the bottom plate of the box body,
as shown in fig. 1, the water pipe connecting component comprises two serial water pipes 7, a plurality of connecting water pipes 8 and a plurality of water pipe adapters 9, wherein a plurality of liquid cooling plates 4 are connected with a liquid cooling plate water inlet 5 through one serial water pipe 7, a plurality of liquid cooling plates 4 are connected with a liquid cooling plate water outlet 6 through another serial water pipe 7, the serial water pipes 7 are connected with the connecting water pipes 8 through the water pipe adapters 9, the connecting water pipes 8 are connected with a box water inlet and outlet 14 through the water pipe adapters, and adjacent connecting water pipes 8 are connected through the water pipe adapters 9. The liquid cooling plate is connected with the water inlet and the water outlet of the whole vehicle through a water pipe adapter and a connecting water pipe to form a liquid cooling plate loop of the battery pack.
Specifically, the connecting water pipe 8 is sleeved with a binding belt buckle, so that the phenomenon that the water pipe deforms to cause liquid leakage due to product vibration is avoided.
Specifically, the sealing ring is arranged inside the water pipe adapter 9 to enhance the overall tightness of the water pipe connecting part, thereby preventing water from leaking out at the position of the adapter.
As shown in fig. 4, the battery module 2 includes a plurality of battery cells 10 and a battery cell protecting material for isolating the battery cells from each other and from the battery cell and the case frame, and preventing the battery cells from directly contacting each other and the case.
Preferably, the cell protection material is a plurality of epoxy resin layers 11 and a plurality of foam 12.
Specifically, the epoxy resin layer 11 covers four sides of each of the battery cells 10.
Specifically, the foam 12 is filled between every two adjacent groups of the battery cells 10, and because the foam has good rebound resilience and compressibility, the battery cells can expand when in use, and the foam can provide sufficient expansion space for the battery cells, thereby prolonging the service life of the battery cells.
Preferably, the protective coating is a PVC coating.
As shown in fig. 3, the heat-conducting structural adhesive 13 is filled between the bottom plates 3 of the box bodies of the battery module 2, so that the heat conduction effect can be achieved, and the effect of fixing the battery cells can be achieved after the adhesive is solidified. After the glue is coated, the electric core of each row is placed into the box body by using the tool, the electric core of each row is firstly over-pressed and then loosened after being placed on the box body by using the rebound resilience and compressibility of foam, and therefore the electric core of each row is clamped on the box body (the foam is in a compressed state and is compressed by 10% -20%). After the cells are mounted, they are shown in fig. 3. And then standing the assembled box body and the battery cell until the glue is solidified, and fixing the battery cell alarm in the box body by utilizing the adhesiveness of the glue and the rebound resilience of foam.
The protective scope of the utility model is not limited to the embodiments described above, but it will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the scope and spirit of the utility model. It is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The CTP structure with the integrated bottom guard plate and liquid cooling plate is characterized by comprising a box body frame (1), a battery module (2), a box body bottom plate (3), a water pipe connecting part and a protective coating (15); the box body frame (1) is welded with the box body bottom plate (3); the box body frame (1) and the box body bottom plate (3) are surrounded to form a containing cavity, and the battery module (2) is arranged in the containing cavity;
the box bottom plate (3) is composed of a plurality of liquid cooling plates (4), each liquid cooling plate (4) comprises a liquid cooling plate body, a liquid cooling plate water inlet (5) and a liquid cooling plate water outlet (6) which are arranged on two sides of the liquid cooling plate body, the liquid cooling plate water inlet (5) and the liquid cooling plate water outlet (6) are connected with a box water inlet and outlet (14) through water pipe connecting parts, and a protective coating (15) is coated below the box bottom plate (3).
2. The CTP structure of claim 1, wherein the water pipe connection part comprises two serial water pipes (7), a plurality of connection water pipes (8) and a plurality of water pipe adapters (9), a plurality of liquid cooling plate water inlets (5) of the liquid cooling plates (4) are connected through one serial water pipe (7), a plurality of liquid cooling plate water outlets (6) of the liquid cooling plates (4) are connected through another serial water pipe (7), the serial water pipe (7) and the connection water pipe (8) are connected through the water pipe adapters (9), the connection water pipe (8) and the box water inlet/outlet (14) are connected through the water pipe adapters (9), and two adjacent connection water pipes (8) are connected through the water pipe adapters (9).
3. CTP structure with integrated bottom guard plate and liquid cooling plate according to claim 2, characterized in that the connecting water pipe (8) is sleeved with a ribbon buckle.
4. A CTP structure having a bottom guard plate integrated with a liquid cooling plate according to claim 3, wherein a sealing ring is provided inside the water pipe adapter (9).
5. CTP structure with integrated bottom guard plate and liquid cooling plate according to claim 1, wherein the battery module (2) comprises a plurality of cells (10) and cell protection material.
6. The CTP structure integrated with the bottom guard plate and the liquid cooling plate according to claim 5, wherein the cell protection material is a multi-layer epoxy resin layer (11) and a multi-layer foam (12).
7. CTP structure with integrated bottom guard plate and liquid cooling plate according to claim 6, characterized in that the epoxy resin layer (11) covers four sides of each cell (10), and the foam (12) is filled between every two adjacent groups of cells (10).
8. The CTP structure integrated with the bottom shield and the liquid cooling plate as recited in claim 1, wherein the protective coating is a PVC coating.
9. CTP structure with integrated bottom guard plate and liquid cooling plate according to claim 1, characterized in that a heat conducting structural adhesive (13) is filled between the battery module (2) and the bottom plate (3) of the case.
10. CTP structure with integrated bottom guard plate and liquid cooling plate according to claim 1, characterized in that the liquid cooling plate body is internally provided with reinforcing ribs (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322162398.6U CN220652118U (en) | 2023-08-11 | 2023-08-11 | CTP structure with integrated bottom guard plate and liquid cooling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322162398.6U CN220652118U (en) | 2023-08-11 | 2023-08-11 | CTP structure with integrated bottom guard plate and liquid cooling plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220652118U true CN220652118U (en) | 2024-03-22 |
Family
ID=90264520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322162398.6U Active CN220652118U (en) | 2023-08-11 | 2023-08-11 | CTP structure with integrated bottom guard plate and liquid cooling plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220652118U (en) |
-
2023
- 2023-08-11 CN CN202322162398.6U patent/CN220652118U/en active Active
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