CN217468646U - Battery module and electronic equipment - Google Patents
Battery module and electronic equipment Download PDFInfo
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- CN217468646U CN217468646U CN202221441456.8U CN202221441456U CN217468646U CN 217468646 U CN217468646 U CN 217468646U CN 202221441456 U CN202221441456 U CN 202221441456U CN 217468646 U CN217468646 U CN 217468646U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a battery module and electronic equipment, battery module includes: casing and the electric core stack body that is located the casing, the casing includes: the bottom plate and the top plate are oppositely arranged, the end plates and the side plates are alternately arranged around the bottom plate and the top plate and connected with the bottom plate and the top plate, and any adjacent end plate and any adjacent side plate are relatively fixed; wherein, the casing still includes: at least one switching piece, the switching piece respectively with adjacent end plate and the curb plate fixed connection who sets up. Because the shell also comprises at least one adapter plate which is respectively and fixedly connected with the end plate and the side plate which are adjacently arranged, after the adapter plate is additionally arranged, the selectable welding area and the welding method between the end plate and the adapter plate and between the side plate and the adapter plate are more flexible, and the connection between the end plate and the adapter plate and between the side plate and the adapter plate can be firmer.
Description
Technical Field
The embodiment of the utility model provides a relate to the battery field, in particular to battery module and electronic equipment.
Background
With the rapid development of the electric automobile industry, the battery modules applied to large-scale electric equipment such as electric automobiles are also developed more and more rapidly.
The present invention relates to a battery module, and more particularly to a battery module including a plurality of end plates and a plurality of side plates, and a battery module including the same, wherein the battery module includes: when the battery is in the use, the battery can take place the inflation, and the inflation of battery takes place the extrusion to end plate and curb plate, has the risk that end plate and curb plate break away from.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a battery module and electronic equipment reduces battery module's practicality.
In order to solve the above technical problem, an embodiment of the present invention provides a battery module, the battery module includes: casing and being located the battery stack body in the casing, the casing includes:
the bottom plate and the top plate are oppositely arranged;
the end plates and the side plates are alternately arranged around the bottom plate and the top plate and are connected with the bottom plate and the top plate, and any adjacent end plate and any adjacent side plate are relatively fixed;
wherein the housing further comprises: at least one switching piece, the switching piece respectively with adjacent setting the end plate with curb plate fixed connection.
Compared with the prior art, the embodiment of the utility model, inventor in the prior art finds that end plate and curb plate break away from because of the extrusion production of battery inflation: the prior art has the defects that the end plate and the side plate are connected through direct welding, the selectable welding area is limited, and the end plate and the side plate cannot be welded firmly. In the application, the shell further comprises at least one adapter sheet, and the adapter sheet is respectively and fixedly connected with the end plate and the side plate which are adjacently arranged, so that after the adapter sheet is additionally added, the selectable welding areas and the welding methods between the end plate and the adapter sheet are more flexible, and the connection between the end plate and the adapter sheet, and between the side plate and the adapter sheet can be firmer.
In one embodiment, the adapter plate is fixedly connected with the outer surfaces of the adjacent end plate and the adjacent side plate respectively.
In one embodiment, the adapter plate is positioned outside the end plate and the side plate;
the adapter plate faces the surfaces of the end plate and the side plate and is fixedly connected with the end plate and the side plate respectively.
In one embodiment, a first groove is formed in a region, opposite to the adapter plate, of the outer surface of the end plate, and the adapter plate is fixedly connected to the bottom of the first groove;
and/or a second groove is formed in the area, opposite to the adapter plate, of the outer surface of the side plate, and the adapter plate is fixedly connected to the groove bottom of the second groove.
In one embodiment, the end plate is provided with the first groove, and the outer surface of the adapter sheet does not exceed the outer surface of the end plate;
and/or the side plate is provided with the second groove, and the outer surface of the adapter plate does not exceed the outer surface of the side plate.
In an embodiment, the end plate is provided with the first groove, and the shape of the first groove is matched with the shape of the part, located in the first groove, of the adapter sheet;
and/or the side plate is provided with the second groove, and the shape of the second groove is matched with the shape of the part, located in the second groove, of the adapter sheet.
In one embodiment, adjacent set up be between the end plate and the curb plate and predetermine the angle setting, the adaptor piece includes:
the first connecting section is fixedly connected with the end plate;
the second linkage segment, the second linkage segment with curb plate fixed connection, first linkage segment with second linkage segment fixed connection integrated into one piece, just first linkage segment with contained angle does between the second linkage segment predetermine the angle.
In one embodiment, the number of the adapter pieces is multiple, and one adapter piece is correspondingly arranged between any adjacent end plate and side plate;
and/or the end plates are in a pair, the side plates are in a pair, and each end plate and each side plate are relatively fixed to form a rectangular shell;
and/or the battery cell stacking body is a solid-state battery stacking body;
and/or the end plate and the side plate are both 6-series aluminum plates, and the adapter plate is a 5-series aluminum plate.
In one embodiment, the adapter plate is respectively welded and connected with the end plate and the side plate which are adjacently arranged;
and/or the ratio of the height of the adapter plate along the height direction of the battery module to the height of the end plate is 0.3-1;
and/or the ratio of the height of the adapter plate along the height direction of the battery module to the height of the side plate is 0.3-1.
The utility model also provides an electronic equipment, electronic equipment includes: the battery module is provided.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural view of a housing of a battery module according to an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural diagram of a frame in an embodiment of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic structural view of an end plate in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a side plate in an embodiment of the present invention.
Description of reference numerals:
10. a housing; 1. a base plate; 2. a top plate; 3. an end plate; 31. a first groove; 4. a side plate; 41. a second groove; 5. a patch; 51. a first connection section; 52. two connecting sections.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.
Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.
Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.
In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.
The following describes an embodiment of the present invention with reference to the drawings, and as shown in fig. 1, the battery module includes: casing 10 and the electric core stack body that is located casing 10, casing 10 includes: bottom plate 1, roof 2, a plurality of end plate 3 and a plurality of curb plate 4, bottom plate 1 and roof 2 relative setting. A plurality of end plates 3 and a plurality of side plates 4 are alternately arranged around the circumferential direction of the bottom plate 1 and the top plate 2, and are connected to the bottom plate 1 and the top plate 2. The end plate 3 and the side plate 4 which are randomly and adjacently arranged are relatively fixed.
In addition, as shown in fig. 2 to 4, the housing 10 further includes at least one adapter sheet 5, and the adapter sheet 5 is fixedly connected to the end plate 3 and the side plate 4 which are adjacently disposed.
The inventor found that the risk of separation between the end plate 3 and the side plate 4 after the expansion and compression of the battery is caused by the fact that the existing end plate 3 and the side plate 4 are directly welded together, and the selectable welding area is limited, so that the end plate 3 and the side plate 4 cannot be welded firmly. In the present application, since the housing 10 further includes at least one adapter sheet 5, and the adapter sheet 5 is respectively and fixedly connected to the end plate 3 and the side plate 4 which are adjacently disposed, after the adapter sheet 5 is additionally added, the selectable welding area and the welding method between the end plate 3 and the side plate 4 and the adapter sheet 5 are more flexible, which results in that the connection between the end plate 3 and the side plate 4 and the adapter sheet 5 is firmer.
Specifically, as shown in fig. 1 to 4, the connecting pieces are fixedly connected to the outer surfaces of the adjacent end plate 3 and the adjacent side plate 4, so that the connecting pieces can be connected to the end plate 3 and the side plate 4 more conveniently. Of course, it should be noted that in some embodiments, the adapter plate 5 may also be connected to the end plate 3 and the side plate 4 at the radially inner side. In addition, in another embodiment, a first slot may be formed on an end surface of the end plate 3 facing the side plate 4, and the connecting plate is inserted into the first slot and fixed therein, and a second slot may be formed on an end surface of the side plate 4 facing the end plate 3, and the connecting plate may also be inserted into the second slot and fixed therein.
In the present embodiment, as shown in fig. 1 to 4, the interposer 5 is located radially outside the end plate 3 and the side plate 4 in the radial direction of the battery module. Adapter plate 5 is connected with the surface fixed connection of end plate 3 and curb plate 4 respectively towards the inboard internal surface of battery module, adopts this kind of connected mode after, not only can conveniently be fixed adapter plate 5 to end plate 3 and curb plate 4 on, can also effectively increase the welding area between connection piece and end plate 3 and the curb plate 4 for the connection between connection piece and end plate 3 and the curb plate 4 is more firm. After adopting this mode, can effectively avoid battery module can the battery stack generate heat the inflation to burst out the connection between end plate 3 and curb plate 4.
In addition, in order to ensure that the connection area between the adapter sheet 5 and the end plate 3 and the side plate 4 is large enough, the ratio of the height of the adapter sheet 5 in the height direction of the battery module to the height of the end plate 3 is 0.3-1, and the ratio of the height of the adapter sheet 5 in the height direction of the battery module to the height of the side plate 4 is 0.3-1.
In addition, as shown in fig. 4 to 6, a first groove 31 is formed in a region of the outer surface of the end plate 3 opposite to the adapter sheet 5, and the adapter sheet 5 is fixedly connected to a groove bottom of the first groove 31. In some embodiments, the area of the outer surface of the side plate 4 opposite to the adapter plate 5 is also provided with a second groove 41, and the adapter plate 5 is fixedly connected to the bottom of the second groove 41. It should be noted that the first recess 31 may be formed only on the outer side of the end plate 3, or the second recess 41 may be formed only on the outer side of the side plate 4. Of course, the first recess 31 may be formed in the outer surface of the end plate 3 and the second recess 41 may be formed in the outer surface of the side plate 4.
More preferably, the shape of the first recess 31 and the shape of the part of the interposer 5 located in the first recess 31 are adapted to each other, which results in that the interposer 5 can be clamped in the first recess 31 and the position of the interposer 5 can be fixed. Meanwhile, the shape of the second groove 41 and the shape of the inner part of the interposer 5 located in the second groove 41 are mutually matched, which results in that the interposer 5 can be clamped in the second groove 41, and the position of the interposer 5 can be fixed.
In addition, preferably, as shown in fig. 2, the outer surface of the adapter sheet 5 does not exceed the outer surface of the end plate 3, and the outer surface of the adapter sheet 5 does not exceed the outer surface of the side plate 4. This can prevent the interposer 5 from interfering with other structures outside the battery module.
In addition, specifically, as shown in fig. 2 to 4, a preset angle is formed between the end plate 3 and the side plate 4 which are adjacently disposed, and the adaptor piece 5 includes: a first connecting section 51 and a second connecting section 52, wherein the first connecting section 51 is fixedly connected with the end plate 3, and the second connecting section 52 is fixedly connected with the side plate 4. The first connecting section 51 and the second connecting section 52 are integrally formed, and the included angle between the first connecting section 51 and the second connecting section 52 is also the preset angle. Specifically, in the present embodiment, the end plate 3 and the side plate 4 are perpendicular to each other, and therefore the first connecting section 51 and the second connecting section 52 are also perpendicular to each other.
Specifically, in the present embodiment, as shown in fig. 2 and 3, there are a pair of end plates 3 and a pair of side plates 4, and each end plate 3 and each side plate 4 are fixed to each other to form a rectangular frame.
Meanwhile, it is further preferable that, as shown in fig. 1 and 3, a plurality of adapter plates 5 are provided, and one adapter plate 5 is correspondingly provided between any adjacent end plate 3 and side plate 4, so that each end plate 3 and each side plate 4 can be firmly connected together. In some embodiments, only one or two adapter plates 5 may be provided, and the connection between the end plate 3 and the side plate 4 without the adapter plate 5 is still performed in the conventional manner, i.e., the end plate 3 and the side plate 4 are directly welded together.
In this embodiment, the cell stack is a solid-state cell stack, and of course, in some embodiments, the cell stack may also be a common liquid stack. And end plate 3 and curb plate 4 are 6 and are the aluminum plate, and adaptor piece 5 is 5 and is the aluminum plate, and curb plate 4 and end plate 3 adopt aluminium extrusion technology usually, to 6 extruded aluminum curb plates 4 and end plate 3 of the family of commonly used, when both directly weld, welding seam department can produce tiny crack, influences welding strength. The above problem can be solved by adopting 5-series aluminum plates as the adapter sheet 5.
In addition, in this embodiment, the adaptor pieces 5 are respectively connected with the end plate 3 and the side plate 4 which are adjacently arranged by welding, and of course, in some embodiments, the adaptor pieces 5 can also be riveted or clamped with the end plate 3 and the side plate 4 which are adjacently arranged.
It should be noted that the bottom plate 1 and the top plate 2 may be welded or riveted to the end plate 3 and the side plate 4.
In addition, it should be emphasized that the end plate 3 and the side plate 4 may have different shapes as shown in fig. 5 and 6, and of course, the end plate 3 and the side plate 4 may have the same shape in some embodiments.
In addition, the above-described cell stack includes a plurality of cells, each of which is stacked in the case 10, and the stacking direction of each cell can be arbitrarily adjusted as needed. And the battery may be a square-can battery, a pouch battery, or the like.
The utility model also provides an electronic equipment, this electronic equipment includes the battery module in the above-mentioned embodiment, and is specific, and in this embodiment, electronic equipment can be electric automobile or electric motorcycle car etc..
While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.
These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. The utility model provides a battery module which characterized in that, battery module includes: casing and being located the battery stack body in the casing, the casing includes:
the bottom plate and the top plate are oppositely arranged; and
a plurality of end plates and a plurality of side plates, wherein the end plates and the side plates are alternately arranged around the bottom plate and the top plate and are connected with the bottom plate and the top plate, and any adjacent end plate and any adjacent side plate are relatively fixed;
wherein the housing further comprises: at least one switching piece, the switching piece respectively with adjacent setting the end plate with curb plate fixed connection.
2. The battery module as set forth in claim 1, wherein the interposer is fixedly connected to outer surfaces of the adjacent end plates and side plates, respectively.
3. The battery module according to claim 1, wherein the interposer is located outside the end plates and side plates;
the adapter plate faces the surfaces of the end plate and the side plate and is fixedly connected with the end plate and the side plate respectively.
4. The battery module according to claim 3, wherein a first groove is formed in a region of the outer surface of the end plate opposite to the adapter sheet, and the adapter sheet is fixedly connected to the bottom of the first groove;
and/or a second groove is formed in the area, opposite to the adapter plate, of the outer surface of the side plate, and the adapter plate is fixedly connected to the groove bottom of the second groove.
5. The battery module as recited in claim 4, wherein the end plate is provided with the first groove, and the outer surface of the adapter sheet does not exceed the outer surface of the end plate;
and/or the side plate is provided with the second groove, and the outer surface of the adapter plate does not exceed the outer surface of the side plate.
6. The battery module as recited in claim 4, wherein the end plate is provided with the first groove, and the shape of the first groove is matched with the shape of the adapter plate positioned in the first groove;
and/or the side plate is provided with the second groove, and the shape of the second groove is matched with the shape of the part, located in the second groove, of the adapter sheet.
7. The battery module of claim 3, wherein the end plates and the side plates are adjacently arranged at a predetermined angle, and the adaptor plate comprises:
the first connecting section is fixedly connected with the end plate;
the second linkage segment, the second linkage segment with curb plate fixed connection, first linkage segment with second linkage segment fixed connection integrated into one piece, just first linkage segment with contained angle does between the second linkage segment predetermine the angle.
8. The battery module according to claim 1, wherein the number of the adaptor pieces is plural, and one adaptor piece is correspondingly arranged between any adjacent end plate and side plate;
and/or the end plates are in a pair, the side plates are in a pair, and each end plate and each side plate are relatively fixed to form a rectangular shell;
and/or the battery cell stacking body is a solid-state battery stacking body;
and/or the end plate and the side plate are both 6-series aluminum plates, and the adapter plate is a 5-series aluminum plate.
9. The battery module according to claim 1, wherein the interposer is welded to the end plate and the side plate, which are adjacently disposed, respectively;
and/or the ratio of the height of the adapter plate along the height direction of the battery module to the height of the end plate is 0.3-1;
and/or the ratio of the height of the adapter plate along the height direction of the battery module to the height of the side plate is 0.3-1.
10. An electronic device, characterized in that the electronic device comprises: the battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221441456.8U CN217468646U (en) | 2022-06-09 | 2022-06-09 | Battery module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221441456.8U CN217468646U (en) | 2022-06-09 | 2022-06-09 | Battery module and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217468646U true CN217468646U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221441456.8U Active CN217468646U (en) | 2022-06-09 | 2022-06-09 | Battery module and electronic equipment |
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| CN (1) | CN217468646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024071883A1 (en) * | 2022-09-30 | 2024-04-04 | 주식회사 엘지에너지솔루션 | Pack case having improved structure for preventing thermal propagation |
-
2022
- 2022-06-09 CN CN202221441456.8U patent/CN217468646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024071883A1 (en) * | 2022-09-30 | 2024-04-04 | 주식회사 엘지에너지솔루션 | Pack case having improved structure for preventing thermal propagation |
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