CN212209580U - Battery PACK box - Google Patents
Battery PACK box Download PDFInfo
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- CN212209580U CN212209580U CN202020849891.9U CN202020849891U CN212209580U CN 212209580 U CN212209580 U CN 212209580U CN 202020849891 U CN202020849891 U CN 202020849891U CN 212209580 U CN212209580 U CN 212209580U
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- frame
- battery pack
- battery
- bottom plate
- pack box
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Abstract
The application discloses a battery PACK box body, which comprises a bottom plate and a frame, wherein the frame is connected with the bottom plate to form an installation cavity, and the installation cavity is used for installing a battery module; the frame is formed by connecting side beams in a welding mode, and the side beams are made of hollow square tubes. The battery PACK box of this application comprises bottom plate and frame attach, need not to make the mould, and the processing cost is low, and processing technology is simple, and the frame comprises hollow square pipe through the mode of tailor-welding, and structural strength is high, the commonality is strong.
Description
Technical Field
The application relates to the technical field of packaging, packaging or assembling of automobile power batteries, in particular to a battery PACK box body.
Background
The voltage and the electric quantity of the battery pack monomer are small, the application requirements of the energy storage system and the storage battery of the electric automobile cannot be met, and a plurality of battery pack monomers need to be connected in series and parallel to form a high-voltage-level storage battery pack string. In order to facilitate carrying, save space and effectively protect the battery, more and more battery PACKs are mounted in a PACK (packaging, packaging and assembling) box body for series-parallel connection to form a battery PACK string.
However, the battery PACK box in the prior art is made of a sheet metal material through a stamping process, and has the disadvantages of complex processing process, high die cost, poor universality and low strength.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the main object of the present application is to provide a battery PACK case with simple processing technology and low production cost.
In order to achieve the above purpose, the following technical solutions are specifically adopted in the present application:
the application provides a battery PACK box, this battery PACK box includes:
a base plate;
the frame is connected with the bottom plate to form an installation cavity, and the installation cavity is used for installing a battery module;
the frame is formed by connecting side beams in a welding mode, and the side beams are made of hollow square tubes.
Preferably, the frame is connected to the base plate by riveting.
Preferably, a sealing glue is arranged at the joint of the frame and the bottom plate.
Preferably, the box body further comprises a reinforcing beam, the reinforcing beam is arranged in the mounting cavity, and two ends of the reinforcing beam are respectively connected with the frame;
when the battery modules are installed to the battery PACK box, one reinforcing beam is arranged between every two adjacent battery modules in the first direction.
Preferably, the reinforcing beam is made of a hollow square tube.
Preferably, both ends of the reinforcing beam are respectively connected with the frame by welding.
Preferably, the box body further comprises a support assembly, and the support assembly is arranged on the reinforcing beam and used for supporting the stacked battery modules.
Preferably, the support assembly comprises a support frame and a support member, the support frame is arranged on the reinforcing beam in a welding manner, the lower end of the support member is connected with the support frame and the lower battery module in a threaded connection manner, and the upper end of the support member is connected with the upper battery module in a threaded connection manner.
Preferably, the supporting assembly further includes a positioning column, the positioning column is disposed on the supporting frame, the supporting member is provided with a positioning hole, and the positioning hole is disposed corresponding to the positioning column.
Preferably, the bottom plate with the frame all adopts the panel beating material to make.
Compared with the prior art, the battery PACK box body comprises a bottom plate and a frame, wherein the frame is connected with the bottom plate to form an installation cavity, and the installation cavity is used for installing a battery module; the frame is formed by connecting side beams in a welding mode, and the side beams are made of hollow square tubes. The battery PACK box of this application comprises bottom plate and frame attach, need not to make the mould, and the processing cost is low, and processing technology is simple, and the frame comprises hollow square pipe through the mode of tailor-welding, and structural strength is high, the commonality is strong.
Drawings
Fig. 1 is a perspective assembly view of a battery PACK case provided in an embodiment of the present application.
Fig. 2 is a perspective assembly view of a support assembly provided in an embodiment of the present application.
The attached drawings are as follows:
1. a base plate; 2. a frame; 21. a first side member; 22. a second side member; 23. a third side member; 24. a fourth side member; 3. a reinforcing beam; 4. a support assembly; 41. a support frame; 411. a first threaded hole; 42. a support member; 421. a second threaded hole; 422. a third threaded hole; 423. lightening holes; 43. a positioning column; 5. a screw; 6. a nut; 7. a battery module; 8. a frame; 100. and (7) installing a cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Referring to fig. 1, the embodiment of the present application discloses a battery PACK box, which includes a bottom plate 1 and a frame 2, wherein the frame 2 is connected to the bottom plate 1 to form a mounting cavity 100, and the mounting cavity 100 can be used for mounting a plurality of battery modules 7.
Further, the frame 2 is connected with the bottom plate 1 in a riveting mode, sealant is arranged at the joint of the frame 2 and the bottom plate 1, and the frame 2 is connected with the bottom plate 1 in a sealing mode through the sealant. Because the bottom plate 1 and the frame 2 adopt the processing technology of matching of glue and riveting, the welding amount can be reduced, the welding deformation is reduced, and the welding cost is reduced.
Specifically, the frame 2 includes a first side beam 21, a second side beam 22, a third side beam 23, and a fourth side beam 24, the first side beam 21 and the second side beam 22 are disposed oppositely, the third side beam 23 and the fourth side beam 24 are disposed oppositely, and the first side beam 21, the second side beam 22, the third side beam 23, and the fourth side beam 24 are all made of hollow square tubes. The end parts of the side beams are connected in a full-length welding mode to form a frame 2. The frame 2 of this application adopts the head and the tail of each curb girder to connect the constitution through the mode of full weld, has guaranteed frame 2's intensity and leakproofness.
In the prior art, some PACK boxes are formed by aluminum profiles in a welding mode, the welding amount is large, the processing amount is large, and the cost of aluminum alloy materials is high. Or some PACK cases are formed by an aluminum casting (a process method of casting molten aluminum into a mold and cooling the aluminum to form an aluminum piece with a required shape) process, and have poor universality and more problems in a molding process, and the size of the PACK case is limited by the mold.
The battery PACK box body is made of sheet metal, so that the cost of raw materials of the box body is reduced, namely the production cost is reduced; meanwhile, the frame type structural design is adopted, the structure is optimal in light weight, the structural strength is higher, the strength is higher than that of a sheet metal stamping by 30% on the premise of the same weight, and the weight is lower than that of the sheet metal stamping by 20% on the premise of the same strength; and the hollow square pipe belongs to the standard part, does not need to be processed by a cutting die, reduces the cost of the cutting die, has simple processing technology, directly cuts the hollow square pipe and then welds the hollow square pipe in a splicing way, does not need a stamping procedure, and is suitable for small-batch trial production and large-batch production. In addition, the size of the frame square steel can be adjusted according to the length and width requirements of the battery pack, so that the requirements of multiple products on the section of a hollow square tube can be met, and the purpose of generalization and platformization can be realized.
In order to enable the two battery modules 7 adjacent in the first direction (the direction in which the third side beam points toward the fourth side beam, i.e., the X direction in the drawing) to be isolated from each other, the battery PACK case further includes a reinforcing beam 3. The reinforcing beam 3 is disposed in the installation cavity 100, and two ends of the reinforcing beam 3 are connected to the first side beam 21 and the second side beam 22 by welding. When battery PACK box is installed to battery module 7, on the first direction, all set up between every two adjacent battery modules 7 and have a stiffening beam 3. Wherein, the stiffening beam 3 is made of a hollow square tube. Because the battery module 7 of superpose can be installed in installation cavity 100, in order to stabilize upper module 7, this battery PACK box still includes supporting component 4, and supporting component 4 sets up in stiffening beam 3 for the fixed upper battery module 7 that superposes the setting of support.
This application has improved the rigidity of whole box through stiffening beam 3's setting, also provides the support for two layers of battery module, can also separate two adjacent battery module 7, prevents that certain battery module 7 thermal runaway from diffusing to the battery module on next door often. Through the setting of supporting component 4, the fixed problem of two layers of battery module has been solved.
Referring to fig. 2, the supporting assembly 4 includes a supporting frame 41, a supporting member 42 and a positioning column 43, the supporting frame 41 is fixed to the upper end of the reinforcing beam 3 by welding, the supporting frame 41 is provided with a first threaded hole 411, and the positioning column 43 is disposed on the supporting frame 41. A second threaded hole 421 and a positioning hole are formed in the lower end of the supporting member 42, the position of the second threaded hole 421 corresponds to the position of the first threaded hole 411, and the position of the positioning hole corresponds to the position of the positioning column 43; the upper end of the supporting member 42 is opened with a third threaded hole 422, and the nut 6 is welded to the third threaded hole 422.
When the battery module 7 is mounted, the battery module 7 is stacked in the mounting cavity 100, and the supporting member 42 is disposed on the supporting frame 41, so that the positioning post 43 extends into the positioning hole for positioning. The screws 5 are inserted through the second screw holes 421, the housing of the lower battery module 7, and the first screw holes 411, so that the lower end of the support member 42 is connected to the support frame 41 and the lower battery module 7 by means of screw connection. The screw 5 is passed through the outer case of the upper battery module 7 and coupled with the nut 6, so that the upper end of the supporter 42 is coupled with the upper battery module 7 by means of screw coupling.
In order to reduce the weight of the battery PACK case, a plurality of lightening holes 423 are further formed in the support 42, and the weight of the support 42, that is, the entire weight of the battery PACK case is reduced by the provision of the lightening holes 423.
In the present embodiment, the positioning posts 43 are disposed on the supporting frame 41, and the supporting member 42 is provided with positioning holes corresponding to the positioning posts 43. It is understood that, in other embodiments, the positioning column 43 may be disposed on the supporting member 42, and the supporting frame 41 is provided with a positioning hole corresponding to the positioning column 43.
In order to facilitate the installation of the battery PACK box on a vehicle, the battery PACK box further comprises a frame 8, and the frame 8 is connected with the frame 2 in a welding or threaded connection mode. When the battery PACK case is mounted, the battery PACK case is mounted on a vehicle via the vehicle frame 8.
In this embodiment, the bottom plate 1 and the frame 2 are made of metal plate. It is understood that in other embodiments, the bottom plate 1 and the frame 2 may be made of aluminum or other materials.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A battery PACK box, characterized by, includes:
a base plate;
the frame is connected with the bottom plate to form an installation cavity, and the installation cavity is used for installing a battery module;
the frame is formed by connecting side beams in a welding mode, and the side beams are made of hollow square tubes.
2. The battery PACK case of claim 1, wherein the frame is connected to the bottom plate by riveting.
3. The battery PACK case of claim 2, wherein a sealant is disposed at the junction of the frame and the bottom plate.
4. The battery PACK box body according to any one of claims 1 to 3, wherein the box body further comprises a reinforcing beam, the reinforcing beam is arranged in the mounting cavity, and two ends of the reinforcing beam are respectively connected with the frame;
when the battery modules are installed to the battery PACK box, one reinforcing beam is arranged between every two adjacent battery modules in the first direction.
5. The battery PACK box of claim 4, wherein the stiffening beam is made of a hollow square tube.
6. The battery PACK case of claim 5, wherein the two ends of the reinforcing beam are respectively connected to the frame by welding.
7. The battery PACK case of claim 4, wherein the case further comprises a support assembly disposed on the stiffening beam for supporting the stacked battery modules.
8. The battery PACK box of claim 7, wherein the support assembly comprises a support frame and a support member, the support frame is welded to the reinforcing beam, the lower end of the support member is connected to the support frame and the lower battery module by a screw, and the upper end of the support member is connected to the upper battery module by a screw.
9. The battery PACK box of claim 8, wherein the support assembly further comprises a positioning post, the positioning post is disposed on the support frame, the support member is provided with a positioning hole, and the positioning hole is disposed corresponding to the positioning post.
10. The battery PACK box of claim 1, wherein the base plate and the frame are made of sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849891.9U CN212209580U (en) | 2020-05-20 | 2020-05-20 | Battery PACK box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849891.9U CN212209580U (en) | 2020-05-20 | 2020-05-20 | Battery PACK box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212209580U true CN212209580U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020849891.9U Active CN212209580U (en) | 2020-05-20 | 2020-05-20 | Battery PACK box |
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| CN (1) | CN212209580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827862A (en) * | 2020-12-30 | 2021-05-25 | 重庆金康动力新能源有限公司 | Grade sorting method and test equipment |
-
2020
- 2020-05-20 CN CN202020849891.9U patent/CN212209580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827862A (en) * | 2020-12-30 | 2021-05-25 | 重庆金康动力新能源有限公司 | Grade sorting method and test equipment |
| CN112827862B (en) * | 2020-12-30 | 2022-08-23 | 重庆金康动力新能源有限公司 | Grade sorting method and test equipment |
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