CN218242127U - Battery module and be used for fixed battery module's bandage - Google Patents
Battery module and be used for fixed battery module's bandage Download PDFInfo
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- CN218242127U CN218242127U CN202221954997.0U CN202221954997U CN218242127U CN 218242127 U CN218242127 U CN 218242127U CN 202221954997 U CN202221954997 U CN 202221954997U CN 218242127 U CN218242127 U CN 218242127U
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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 relates to a battery module, it includes: a module body; the bandage comprises a bandage body, wherein a first connecting part and a second connecting part are respectively arranged at two opposite ends of the bandage body along the extending direction; a welding piece welded with the first connecting part and the second connecting part to make the bandage body enclose a space for accommodating the bandage body. Because adopt the welding piece to weld the both ends of bandage body, make the bandage body enclose to close and form the accommodation space who is used for holding the battery module, reduced the destruction to the bandage body, can reduce bandage fatigue fracture's probability, improve the life of bandage, easy and simple to handle, the reliability is high.
Description
Technical Field
The utility model relates to a battery field, in particular to battery module and be used for bandage of fixed battery module.
Background
Along with the rapid development of science and technology, power battery has been widely used in the field of various vehicles or battery supply and demand application, and in square aluminum shell battery module design and preparation, logical groove can be fixed the module with the steel bandage in the trade, prevents that electric core circulation inflation from leading to the battery module inefficacy.
Among the correlation technique, the module fixing bandage that uses adopts the hasp form more, but, the bandage of hasp form can destroy the bandage body, leads to bandage mechanical properties to descend great, and after battery module many times charge-discharge cycle, because module bulging force effect can lead to the bandage to break inefficacy, and the life-span is shorter.
Therefore, it is necessary to provide a battery module and a band for fixing the battery module to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a battery module and be used for bandage of fixed battery module to bandage mechanical properties descends great in solving the correlation technique, because module inflation power acts on, can lead to the bandage to break inefficacy, the short problem of life-span.
In a first aspect, there is provided a battery module including: a module body; the binding band comprises a binding band body, wherein a first connecting part and a second connecting part are respectively arranged at two opposite ends of the binding band body along the extension direction; and a welding piece welded to the first connecting portion and the second connecting portion so that the band body encloses a space for accommodating the band body.
In some embodiments, the module body is provided with end plates at two ends thereof, the module body and the end plates are bound together by the binding body, and the welding piece is located on one side of the binding body close to the end plates.
In some embodiments, the number of the welding tabs is two, one of the welding tabs is welded to a side of the first connecting portion and the second connecting portion close to the end plate, and the other welding tab is welded to a side of the first connecting portion and the second connecting portion far from the end plate.
In a second aspect, there is provided a band for fixing a battery module, including: the binding band comprises a binding band body, wherein a first connecting part and a second connecting part are respectively arranged at two opposite ends of the binding band body along the extension direction; and a welding piece welded to the first connecting portion and the second connecting portion so that the band body encloses a space for accommodating the band body.
In some embodiments, the number of the welding tabs is two, and the two welding tabs are welded to two opposite sides of the first connecting portion and the second connecting portion respectively.
In some embodiments, the two welding pieces are arranged at intervals along the thickness direction of the first connecting part and the second connecting part.
In some embodiments, the welding tab extends along a length direction of the first connection portion and the second connection portion, and the length of the welding tab is greater than a distance between the first connection portion and the second connection portion.
In some embodiments, the length of the welding tab coinciding with the first connection portion is equal to the length of the welding tab coinciding with the second connection portion.
In some embodiments, a shielding element is mounted at the welding position of the first connecting part and the welding position of the second connecting part and the welding sheet. First connecting part second connecting part
In some embodiments, the width of the welding tab is equal to the width of the first connection portion and the second connection portion.
The utility model provides a beneficial effect that technical scheme brought includes:
the embodiment of the utility model provides a battery module and be used for bandage of fixed battery module, owing to adopt the welding piece to weld the both ends of bandage body, make the bandage body enclose to close and form the accommodation space who is used for fixed battery module, reduced the destruction to the bandage body, can reduce bandage fatigue fracture's probability, improve the life of bandage, easy and simple to handle, the reliability is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a disassembled structure of a strap for fixing a battery module according to an embodiment of the present invention;
fig. 3 is a schematic view of an overall structure of a strap for fixing a battery module according to an embodiment of the present invention.
Reference numbers in the figures:
1. a strap body; 11. a first connection portion; 12. a second connecting portion; 2. welding the sheet; 3. a module body; 4. and an end plate.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a battery module and be used for bandage of fixed battery module, it can solve among the correlation technique bandage mechanical properties and descend great, because module inflation power acts on, can lead to the bandage to break inefficacy, the short problem of life-span.
Referring to fig. 1, for the embodiment of the present invention provides a battery module, which may include: a module body 3; a band body 1 having a first connecting portion 11 and a second connecting portion 12 at opposite ends thereof in an extending direction, respectively; welding piece 2, its with first connecting portion 11 with the welding of second connecting portion 12 makes bandage body 1 encloses to become to be used for holding bandage body 1's space, and in this embodiment, module body 3 is formed by a plurality of electric core equipment, and bandage body 1 is rectangular shape, and is as an organic whole with electric core ligature, owing to adopt welding piece 2 to weld bandage body 1's both ends, makes bandage body 1 enclose to close and form the accommodation space who is used for holding the battery module, has reduced the destruction to bandage body 1, avoids bandage junction fatigue fracture to lead to the battery module to lose the restraint, has prolonged the life of bandage
Preferably, welding piece 2 adopts at least two, with the holistic mechanical properties of reinforcing, compare and adopt a welding piece 2 or with first connecting portion 11 and the mode of second connecting portion 12 direct weld, first connecting portion 11 and second connecting portion 12 in this embodiment respectively have at least two welding points, than original at least one welding point that has more, thereby can increase the joint strength at bandage body 1 both ends, if wherein certain welding point fracture became invalid, other welding points also can continue to maintain the binding power of bandage to battery module, avoid bandage junction fatigue fracture to lead to battery module to lose the restraint, the life of bandage has been prolonged. The welding piece 2 may be in the shape of a sheet, a U, or a square. In other embodiments, if the performance of the welding plate 2 meets the design requirement, the number of the welding plate 2 can be one, so as to reduce the cost and the weight.
Referring to fig. 1, in some embodiments, end plates 4 are disposed at two ends of the module body 3, the module body 3 and the end plates 4 are bound together by the binding body 1, and the welding pieces 2 are disposed at one side of the binding body 1 close to the end plates 4, in this embodiment, the end plates 4 are disposed at the end portions of the module body 3, so as to protect the module body 3, and since the welding pieces 2 are made of a hard material and protrude out of the surface of the binding body 1, if the welding pieces 2 collide with the module body 3, the module body 3 may be damaged, and therefore the welding pieces 2 are disposed at one side close to the end plates 4, and the module body 3 is prevented from being damaged by the collision of the welding pieces 2.
Referring to fig. 1, in some embodiments, there are two welding sheets 2, one welding sheet 2 is welded to a side of the first connecting portion 11 and the second connecting portion 12 close to the end plate 4, and the other welding sheet 2 is welded to a side of the first connecting portion 11 and the second connecting portion 12 away from the end plate 4, in this embodiment, the first connecting portion 11 and the second connecting portion 12 are in a sheet shape, and a welding area with the binding body 1 is large, so that strength of a welding layer can be ensured, and fatigue falling of a joint of the binding body 1 and the welding sheet 2 can be avoided.
The battery module provided in the above embodiment of the present application may adopt the binding band for fixing the battery module provided in any one of the following embodiments of the present application, and details of some possible embodiments are not repeated in the embodiments of the present application.
Referring to fig. 2 and 3, a strap for fixing a battery module according to an embodiment of the present invention may include: a band body 1 having a first connecting portion 11 and a second connecting portion 12 at opposite ends thereof in an extending direction, respectively; the welding piece 2 is welded with the first connecting portion 11 and the second connecting portion 12, so that the bandage body 1 is surrounded to form a space for accommodating the bandage body 1, in the embodiment, the welding piece 2 is adopted to weld the two ends of the bandage body 1, the damage to the bandage body 1 is reduced, the connection strength and the reliability at the two ends of the bandage body 1 are increased, the service life of the bandage is prolonged, and the operation is simple and convenient.
Referring to fig. 2, in some embodiments, there are at least two welding sheets 2, two welding sheets 2 are welded to two opposite sides of the first connection portion 11 and the second connection portion 12, in this embodiment, the two welding sheets 2 clamp the first connection portion 11 and the second connection portion 12 therebetween, the two welding sheets 2 cooperate to act on two sides of the first connection portion 11 and the second connection portion 12, and compared with the case where two welding sheets 2 are welded to the adjacent sides of the first connection portion 11 or the second connection portion 12, the welding to the opposite sides can prevent the first connection portion 11 or the second connection portion 12 from deforming or breaking toward the opposite side. In other embodiments, two welding sheets 2 may also be welded to adjacent side surfaces of the first connecting portion 11 or the second connecting portion 12, or a plurality of welding sheets 2 may also be welded to a plurality of different surfaces of the first connecting portion 11 or the second connecting portion 12.
Referring to fig. 2, in some embodiments, the two welding sheets 2 may be disposed at intervals in the thickness direction of the first connecting portion 11 and the second connecting portion 12, in this embodiment, the welding sheets 2 are welded on the front and back plate surfaces of the first connecting portion 11 or the second connecting portion 12, and the welding area with the first connecting portion 11 or the second connecting portion 12 is large, so that the strength of the welding layer can be ensured, and the connection between the first connecting portion 11 or the second connecting portion 12 and the welding sheet 2 is prevented from being fatigue-released. In other embodiments, the welding sheets 2 may be disposed at intervals along the width direction of the first connection portion 11 or the second connection portion 12, that is, welded to the upper and lower sides of the first connection portion 11 or the second connection portion 12, or partially welded to the plate surface and partially welded to the upper and lower sides.
Referring to fig. 3, in some embodiments, the welding piece 2 extends along the length direction of the first connecting portion 11 and the second connecting portion 12, and the length of the welding piece 2 may be greater than the distance between the first connecting portion 11 and the second connecting portion 12, in this embodiment, the welding piece 2 is in a long strip shape and matches with the shape of the strap body 1, so that the contact area between the welding piece 2 and the strap body 1 when the welding piece 2 is attached to the first connecting portion 11 and the second connecting portion 12 at the same time can be maximized, and the reliability of the welded part can be further ensured. In other embodiments, the length of the welding tab 2 may also be equal to the distance between the first connection portion 11 and the second connection portion 12.
Referring to fig. 2, in some embodiments, the length of the overlapping portion of the welding sheet 2 and the first connecting portion 11 may be equal to the length of the overlapping portion of the welding sheet 2 and the second connecting portion 12, in this embodiment, the welding length of the welding sheet 2 and the two ends of the binding band body 1 is the same, when the binding band body 1 is subjected to the expansion force of the battery module, the stress on the welding portion of the welding sheet 2 and the two ends of the binding band body 1 is more uniform, and the phenomenon that one end of the first connecting portion 11 and one end of the second connecting portion 12 is detached or broken due to uneven stress is avoided.
Preferably, a protective part is installed at the welding position of the first connecting part 11 and the second connecting part 12 and the welding sheet 2, in this embodiment, the protective part is used for corrosion prevention and rust prevention of the welding area, preferably, a rust preventive oil is used for corrosion prevention measures, and if necessary, a heat-shrinkable sleeve can be added for multi-layer protection.
Referring to fig. 3, in some embodiments, the end surfaces of the first connecting portion 11 and the second connecting portion 12 may be joined, so that they may also be welded together at the joint, and are formed integrally with the welding layer of the welding sheet 2, which may further increase the reliability of the joint and improve the strength of the strap body 1.
Referring to fig. 3, in some embodiments, the width of the welding tab 2 may be equal to the width of the first connecting portion 11 and the second connecting portion 12, and in this embodiment, the width of the welding tab 2 is the same as the width of the first connecting portion 11 and the width of the second connecting portion 12, so that the weight of the welding tab 2 can be reduced and the weight of the entire battery module can be reduced on the premise of ensuring the maximum welding area. In other embodiments, the width of the welding sheet 2 may be greater than the widths of the first connection portion 11 and the second connection portion 12, and may be smaller than the widths of the first connection portion 11 and the second connection portion 12.
The embodiment of the utility model provides a principle of the bandage of kind battery module and being used for fixed battery module is:
by adopting a welding mode, the mechanical property reduction caused by punching the binding belt body 1 can be avoided; the both ends of bandage body 1 respectively have two at least welding points, can increase the joint strength at bandage body 1 both ends, avoid leading to bandage fatigue fracture to lose the constraining force under the effect of inflation power.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A battery module, characterized in that it includes:
a module body (3);
a band body (1) having a first connection part (11) and a second connection part (12) at opposite ends thereof in the extending direction, respectively;
a welding piece (2) welded to the first connecting portion (11) and the second connecting portion (12) so that the band body (1) encloses a space for accommodating the band body (1).
2. The battery module according to claim 1, wherein:
the both ends of module body (3) are equipped with end plate (4), bandage body (1) will module body (3) with end plate (4) are binded together, welding piece (2) are located bandage body (1) is close to one side of end plate (4).
3. The battery module according to claim 2, wherein:
the welding piece (2) has two at least, one the welding piece (2) weld in first connecting portion (11) with second connecting portion (12) are close to one side of end plate (4), another the welding piece (2) weld in first connecting portion (11) with second connecting portion (12) are kept away from one side of end plate (4).
4. A band for fixing a battery module, comprising:
a band body (1) having a first connection part (11) and a second connection part (12) at opposite ends thereof in the extending direction, respectively;
a welding piece (2) welded to the first connecting portion (11) and the second connecting portion (12) so that the band body (1) encloses a space for accommodating the band body (1).
5. The strap for fixing a battery module according to claim 4, wherein:
the welding pieces (2) are at least two, and the two welding pieces (2) are respectively welded on two opposite sides of the first connecting portion (11) and the second connecting portion (12).
6. The strap for fixing a battery module according to claim 5, wherein:
the two welding sheets (2) are arranged at intervals along the thickness direction of the first connecting portion (11) and the second connecting portion (12).
7. The band for fixing a battery module according to claim 4, wherein:
the welding piece (2) extends along the length direction of the first connecting portion (11) and the second connecting portion (12), and the length of the welding piece (2) is larger than the distance between the first connecting portion (11) and the second connecting portion (12).
8. The band for fixing a battery module according to claim 4, wherein:
the length of the superposition of the welding sheet (2) and the first connecting part (11) is equal to the length of the superposition of the welding sheet (2) and the second connecting part (12).
9. The band for fixing a battery module according to claim 4, wherein:
and protection pieces are arranged at the welding positions of the first connecting part (11), the second connecting part (12) and the welding sheet (2).
10. The band for fixing a battery module according to claim 4, wherein:
the width of the welding tab (2) is equal to the width of the first connection portion (11) and the second connection portion (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221954997.0U CN218242127U (en) | 2022-07-27 | 2022-07-27 | Battery module and be used for fixed battery module's bandage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221954997.0U CN218242127U (en) | 2022-07-27 | 2022-07-27 | Battery module and be used for fixed battery module's bandage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218242127U true CN218242127U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221954997.0U Active CN218242127U (en) | 2022-07-27 | 2022-07-27 | Battery module and be used for fixed battery module's bandage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218242127U (en) |
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2022
- 2022-07-27 CN CN202221954997.0U patent/CN218242127U/en active Active
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