CN216750099U - Battery box - Google Patents
Battery box Download PDFInfo
- Publication number
- CN216750099U CN216750099U CN202220288557.XU CN202220288557U CN216750099U CN 216750099 U CN216750099 U CN 216750099U CN 202220288557 U CN202220288557 U CN 202220288557U CN 216750099 U CN216750099 U CN 216750099U
- Authority
- CN
- China
- Prior art keywords
- connecting surface
- battery box
- liquid cooling
- accommodating space
- cooling plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 230000007704 transition Effects 0.000 claims abstract description 35
- 239000000565 sealant Substances 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery box which comprises a frame, a bottom protection plate, a liquid cooling plate and a sealing assembly, wherein the bottom surface of the frame comprises a first connecting surface, a second connecting surface and a third connecting surface which are sequentially arranged; the bottom guard plate is connected with the third connecting surface; the liquid cooling plate is arranged above the bottom guard plate and connected with the second connecting surface, a first accommodating space is formed among the liquid cooling plate, the first transition surface and the first connecting surface, and a second accommodating space is formed among the liquid cooling plate, the second transition surface and the bottom guard plate; the sealing assembly comprises a first sealing gasket accommodated in the first accommodating space and a second sealing gasket accommodated in the second accommodating space. According to the battery box, the bottom protection plate can flexibly adjust the compression amount and the sealing width of the second sealing gasket without die sinking, so that the processing and manufacturing cost of the battery box is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery box.
Background
At present, in the battery box, the sealed between backplate and the liquid cooling board at the end needs backplate to buckle in sealed pad department to the compression allowance of sealed pad is sealed in the control, and such mode makes backplate need carry out the die sinking and handles, has improved processing manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery box, wherein the bottom protection plate can control the compression allowance of a sealing gasket without die sinking treatment.
To achieve the above object, the present invention provides a battery box, comprising:
the bottom surface of the frame comprises a first connecting surface, a second connecting surface and a third connecting surface which are sequentially arranged, the first connecting surface is positioned above the second connecting surface, the second connecting surface is positioned above the third connecting surface, the first connecting surface is connected with the second connecting surface through a first transition surface, and the second connecting surface is connected with the third connecting surface through a second transition surface;
the bottom guard plate is connected with the third connecting surface;
the liquid cooling plate is arranged above the bottom protective plate and is connected with the second connecting surface, a first accommodating space is formed among the liquid cooling plate, the first transition surface and the first connecting surface, and a second accommodating space is formed among the liquid cooling plate, the second transition surface and the bottom protective plate;
and the sealing assembly comprises a first sealing gasket and a second sealing gasket, the first sealing gasket is accommodated in the first accommodating space, and the second sealing gasket is accommodated in the second accommodating space.
Compared with the prior art, the technical scheme has the following advantages:
according to the battery box, the second accommodating space is formed among the liquid cooling plate, the second transition surface and the bottom protection plate, and the second sealing gasket is accommodated in the second accommodating space, so that the bottom protection plate does not need die sinking treatment, the compression amount and the sealing width of the second sealing gasket can be flexibly adjusted, and the processing and manufacturing cost of the battery box is effectively reduced.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic top perspective view of a battery box of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an enlarged schematic view of part B of fig. 2.
The reference numbers illustrate:
10. a frame;
11. a first connection face; 12. a second connection face; 13. a third connection surface; 14. a first transition surface; 15. a second transition surface; 16. rounding off;
20. a bottom guard plate; 21. mounting holes;
30. a liquid-cooled plate;
41. a first seal gasket; 42. a second gasket;
51. a first accommodating space; 52. a second accommodating space;
60. sealing the adhesive layer;
70. a gap;
80. a flow drill screw;
90. and a fixing member.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings and examples. The features and advantages of the present application will become more apparent from the description.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, the technical features related to the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 3, the present invention provides a battery box, which includes a frame 10, a bottom protection plate 20, a liquid cooling plate 30 and a sealing assembly, wherein:
the bottom surface of the frame 10 includes a first connecting surface 11, a second connecting surface 12 and a third connecting surface 13, which are sequentially arranged, specifically, the first connecting surface 11, the second connecting surface 12 and the third connecting surface 13 are sequentially arranged in a staggered manner along the direction from inside to outside of the battery box, the first connecting surface 11 is located above the second connecting surface 12, the second connecting surface 12 is located above the third connecting surface 13, that is, the first connecting surface 11 is located at the uppermost position of the bottom surface of the frame 10, the third connecting surface 13 is located at the lowermost position of the bottom surface of the frame 10, the first connecting surface 11 is connected to the second connecting surface 12 through a first transition surface 14, the second connecting surface 12 is connected to the third connecting surface 13 through a second transition surface 15, exemplarily, the first connecting surface 11, the second connecting surface 12 and the third connecting surface 13 are horizontal planes parallel to each other, and the area of the first connecting surface 11 and the area of the third connecting surface 13 are smaller than the area of the second connecting surface 12, the first transition surface 14 and the second transition surface 15 are vertical surfaces parallel to each other, which facilitates the assembly between the frame 10 and the bottom protection plate 20 and between the frame 10 and the liquid cooling plate 30, and in addition, other specific structures of the frame 10 are the prior art and are not described herein again;
the bottom guard plate 20 is connected to the third connecting surface 13, specifically, the bottom guard plate 20 covers the bottom of the frame 10, the edge of the bottom guard plate 20 is overlapped on the third connecting surface 13 and is fixedly connected to the third connecting surface 13, the bottom guard plate 20 can protect the components arranged above the bottom guard plate, the specific structure of the bottom guard plate 20 is the prior art, and details are not repeated herein;
the liquid cooling plate 30 is arranged above the bottom protection plate 20 and connected with the second connection surface 12, so that the bottom protection plate 20 can protect the liquid cooling plate 30, thereby ensuring the service life of the liquid cooling plate 30, a first accommodating space 51 is formed among the liquid cooling plate 30, the first transition surface 14 and the first connection surface 11, namely a first accommodating space 51 with an opening facing the interior of the battery box is formed by the upper surface of the liquid cooling plate 30, the first transition surface 14 and the first connection surface 11 in an enclosing manner, a second accommodating space 52 is formed among the liquid cooling plate 30, the second transition surface 15 and the bottom protection plate 20, namely a second accommodating space 52 is formed by the lower surface of the liquid cooling plate 30, the second transition surface 15 and the top surface of the bottom protection plate 20 in an enclosing manner, at this time, if the middle part of the liquid cooling plate 30 abuts against the bottom protection plate 20, the second accommodating space 52 is closed, and if the liquid cooling plate 30 cannot contact with the bottom protection plate 20, the second accommodating space 52 has an opening facing the bottom protection plate 20, the specific structure of the liquid cooling plate 30 is the prior art, and is not described herein again;
the sealing assembly comprises a first sealing gasket 41 and a second sealing gasket 42, the first sealing gasket 41 is accommodated in the first accommodating space 51 and used for sealing the top surface of the liquid cooling plate 30, and a first layer of sealing of the battery box is formed, the second sealing gasket 42 is accommodated in the second accommodating space 52 and used for sealing the bottom surface of the liquid cooling plate 30, and a second layer of sealing of the battery box is formed, namely, the first sealing gasket 41 and the second sealing gasket 42 are arranged, double sealing is formed in the battery box, and therefore the sealing performance of the battery box is effectively guaranteed, in addition, the second sealing gasket 42 is arranged in the second accommodating space 52 and does not need to bend the bottom protection plate 20, so that the bottom protection plate 20 does not need to be subjected to mold opening treatment, and the compression amount and the sealing width of the second sealing gasket 42 can be flexibly adjusted.
According to the battery box, the second accommodating space 52 is formed among the liquid cooling plate 30, the second transition surface 15 and the bottom protection plate 20, and the second sealing gasket 42 is accommodated in the second accommodating space 52, so that the bottom protection plate 20 can flexibly adjust the compression amount and the sealing width of the second sealing gasket 42 without die sinking, and the processing and manufacturing cost of the battery box is effectively reduced.
Further, as shown in fig. 3, a rounded corner 16 is disposed at a joint of the first transition surface 14 and the second connection surface 12, so as to prevent edges and corners of the joint of the first transition surface 14 and the second connection surface 12 from scratching the liquid cooling plate 30, and reduce the service life of the liquid cooling plate 30.
Further, as shown in fig. 1 and 3, the bottom protection plate 20 is connected to the third connection surface 13 through a fixing member 90, and the fixing member 90 may be a fixing screw, a rivet nut and a rivet bolt, or a flow drill screw, as long as any existing structure for fixedly connecting the bottom protection plate 20 to the third connection surface 13 is satisfied, which is within the protection scope of the present invention.
Further, as shown in fig. 1 and fig. 3, the liquid cooling plate 30 is connected to the second connection surface 12 through the flow drilling screw 80, the connection strength of the flow drilling screw 80 is high, and the single-side connection can be realized under the condition of small deformation, so that the reliability of the connection between the liquid cooling plate 30 and the frame 10 is effectively ensured.
Still further, as shown in fig. 1, a mounting hole 21 is formed in a position, corresponding to the flow drill screw 80, on the bottom protection plate 20, the mounting hole 21 is provided, so that the installation of the flow drill screw 80 becomes simple and convenient, and the second sealing gasket 42 is located on a side, far from the second transition surface 15, of the flow drill screw 80, that is, the second sealing gasket 42 is located on a side, close to the first transition surface 14, of the flow drill screw 80, so that the second sealing gasket 42 can effectively seal a gap between the liquid cooling plate 30 and the bottom protection plate 20.
Further, as shown in fig. 3, a sealant layer 60 is connected between the liquid cooling plate 30 and the second connection surface 12, the sealant layer 60 can increase the reliability of the connection between the liquid cooling plate 30 and the frame 10, and can improve the sealing performance between the liquid cooling plate 30 and the frame 10, the sealant layer 60 is formed by coating a sealant between the liquid cooling plate 30 and the second connection surface 12, and the sealant and the coating method thereof are the prior art and are not described herein again.
Further, in view of the fact that the sealant is prone to overflow, influences the appearance, and is difficult to clean, and increases the manual cleaning cost, in order to solve the above problems, in an embodiment of the present invention, a gap 70 is formed between the liquid cooling plate 30 and the second transition surface 15, the gap 70 can be used as a sealant overflow tank, and the excess sealant can flow into the gap 70 and cannot overflow, so that the cleaning process is not needed, and the cleaning cost is reduced.
Still further, the length of the sealant layer 60 of the first connection surface 11 is greater than 7mm in the inside-to-outside direction of the battery case to ensure the reliability of the connection and sealing of the sealant layer 60.
Further, the thickness of the second sealing gasket 42 is greater than the height of the second accommodating space 52, that is, the second sealing gasket 42 is accommodated in the second accommodating space 52 after being compressed, that is, the total thickness of the second sealing gasket 42, the liquid cooling plate 30 and the sealant layer 60 is greater than the height of the second transition surface 15, so that the total thickness of the sealant layer 60, the liquid cooling plate 30 and the compressed second sealing gasket 42 is equal to the height of the second transition surface 15, thereby ensuring that the second sealing gasket 42 has a good sealing effect.
Further, the thickness of the first gasket 41 is greater than the height of the first accommodating space 51, that is, the first gasket 41 is accommodated in the first accommodating space 51 after being compressed, that is, the thickness of the first gasket 41 is greater than the height of the first transition surface 14, and such a structure can ensure that the first gasket 41 has a good sealing effect.
In summary, according to the battery box disclosed by the utility model, the second accommodating space is formed among the liquid cooling plate, the second transition surface and the bottom guard plate, and the second sealing gasket is accommodated in the second accommodating space, so that the bottom guard plate does not need to be subjected to mold opening treatment, the compression amount and the sealing width of the second sealing gasket can be flexibly adjusted, and the processing and manufacturing cost of the battery box is effectively reduced;
according to the battery box, the gap is formed between the liquid cooling plate and the second transition surface, so that redundant sealing glue can flow into the gap and cannot overflow, the cleaning effect is not needed, the cleaning cost is reduced, in addition, a worker can observe the amount of the sealing glue flowing into the gap and judge the coating amount of the glue, the glue overflow amount is controllable, and the detection standard of the sealing glue is controllable.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on operational states of the present application, and are only used for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
In the description of the present application, it is to be noted that the terms "mounted" and "connected" are to be interpreted broadly unless explicitly stated or limited otherwise. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present application has been described above with reference to preferred embodiments, but these embodiments are merely exemplary and merely illustrative. On the basis of the above, the present application can be subjected to various substitutions and improvements, and the substitutions and the improvements are all within the protection scope of the present application.
Claims (10)
1. A battery box, characterized in that the battery box comprises:
the bottom surface of the frame comprises a first connecting surface, a second connecting surface and a third connecting surface which are sequentially arranged, the first connecting surface is positioned above the second connecting surface, the second connecting surface is positioned above the third connecting surface, the first connecting surface is connected with the second connecting surface through a first transition surface, and the second connecting surface is connected with the third connecting surface through a second transition surface;
the bottom guard plate is connected with the third connecting surface;
the liquid cooling plate is arranged above the bottom protective plate and is connected with the second connecting surface, a first accommodating space is formed among the liquid cooling plate, the first transition surface and the first connecting surface, and a second accommodating space is formed among the liquid cooling plate, the second transition surface and the bottom protective plate;
and the sealing assembly comprises a first sealing gasket and a second sealing gasket, the first sealing gasket is accommodated in the first accommodating space, and the second sealing gasket is accommodated in the second accommodating space.
2. The battery box according to claim 1,
and a sealing glue layer is connected between the liquid cooling plate and the second connecting surface.
3. The battery box according to claim 2,
a gap is formed between the liquid cooling plate and the second transition surface.
4. The battery box according to claim 2,
along the direction from inside to outside of battery box, the length of sealant layer is greater than 7 mm.
5. The battery box according to claim 1 or 2,
the thickness of the second sealing gasket is larger than the height of the second accommodating space.
6. The battery box according to claim 1,
the thickness of the first sealing gasket is larger than the height of the first accommodating space.
7. The battery box according to claim 1,
and the liquid cooling plate is connected with the second connecting surface through a flow drill screw.
8. The battery box according to claim 7,
and a mounting hole is formed in the position, corresponding to the flow drill screw, of the bottom protection plate, and the second sealing gasket is located on one side, far away from the second transition surface, of the flow drill screw.
9. The battery box according to claim 1,
the bottom guard plate is connected with the third connecting surface through a fixing piece.
10. The battery box according to claim 1,
and a fillet is arranged at the joint of the first transition surface and the second connecting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220288557.XU CN216750099U (en) | 2022-02-11 | 2022-02-11 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220288557.XU CN216750099U (en) | 2022-02-11 | 2022-02-11 | Battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216750099U true CN216750099U (en) | 2022-06-14 |
Family
ID=81917888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220288557.XU Active CN216750099U (en) | 2022-02-11 | 2022-02-11 | Battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216750099U (en) |
-
2022
- 2022-02-11 CN CN202220288557.XU patent/CN216750099U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: China Innovation Aviation Technology Group Co.,Ltd. Country or region after: China Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: Zhongchuangxin Aviation Technology Co.,Ltd. Country or region before: China |