CN211670233U

CN211670233U - Module connection structure and battery

Info

Publication number: CN211670233U
Application number: CN202020296914.8U
Authority: CN
Inventors: 张训银; 江吉兵; 刘金成
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-13
Anticipated expiration: 2030-03-11

Abstract

The utility model relates to a battery technical field specifically discloses a module connection structure and battery. The utility model discloses a module connection structure is applied to the battery module that a plurality of electric cores are constituteed, including setting up the elastic gasket between electric core, set up a plurality of connection end plates in a plurality of side peripheries of battery module and interconnect, set up the apron of surface about the battery module, and at least one sets up the middle end plate between two elastic gasket, connect end plate and apron to be connected with middle end plate respectively to parcel battery module, the edge protrusion of middle end plate in the surface of two electric cores. The utility model discloses a module connection structure joint strength is big, and is small, and shock resistance is strong.

Description

Module connection structure and battery

Technical Field

The utility model relates to a battery technical field especially relates to a module connection structure and battery.

Background

With the development of pure electric vehicles, the requirements of the whole vehicle on the energy density, the space utilization rate, the safety and reliability and the cost of a battery system are higher and higher, and a part of the energy density, the space utilization rate and the safety and reliability of the battery system is reflected on a battery module. Therefore, high energy density, space utilization, and safety reliability, low cost of the battery module are inevitable trends.

The power battery modules in the current market mainly have the following two grouping modes, wherein the first mode adopts aluminum plate side seam welding, the weight of the modules can be increased by adopting the mode, so that the energy density of the modules is reduced, and the grouping size of the modules is limited, so that the welding is not convenient to control; the module is tied up through the packing area to packing is glued and is bonded with the box in module bottom between electric core is adopted to the second kind of mode, though this kind of mode is firm in groups, can not change the module during the maintenance, can only change the battery package, and cost of maintenance is great. In addition, the module frame structural strength that two kinds of above modes were built in groups is lower, and shock resistance and anti extrusion capacity are weak, and inside electric core easily damages.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a module connection structure, its joint strength is big, and is small, and shock resistance is strong.

Another object of the embodiment is to provide a battery, its structural strength is big, and shock resistance and anti extrusion capacity are strong, and it is convenient to maintain.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the first aspect provides a module connection structure, is applied to the battery module that a plurality of electricity cores are constituteed, including setting up elastic gasket between the electricity core sets up a plurality of connection end plates that a plurality of side peripheries of battery module are connected, set up and be in the apron of surface about the battery module, and at least one sets up two middle end plate between the elastic gasket, connect the end plate with the apron respectively with middle end plate is connected, in order to wrap up the battery module, the edge protrusion in two of middle end plate the surface of electricity core.

As a preferable scheme of the module connecting structure, the connecting end plate and the middle end plate are connected by welding.

As a preferable mode of the module connecting structure, the cover plate and the middle end plate are connected by bonding.

As a preferable mode of the module connecting structure, the cover plate is made of metal.

As a preferable mode of the module connecting structure, one or more of the cover plates are penetrated with air holes.

As a preferable mode of the module connecting structure, the shape of the air hole is a long waist hole type.

As a preferable scheme of the module connection structure, the elastic gasket is provided with a contact end and a spacing end, the contact end is connected with the surface of the battery core, and the spacing end is used for spacing two adjacent battery cores.

As a preferable mode of the module connecting structure, the elastic pad is made of rubber.

In a second aspect, a battery is provided, which includes a battery module, a housing, and a module connection structure, the module connection structure being applied to the battery module, the battery module and the module connection structure being disposed inside the housing.

The utility model discloses beneficial effect does:

through setting up the module connection structure who uses on battery module, module connection structure is including setting up the elastic gasket between electric core and setting up the connection end plate in a plurality of side peripheries of battery module, and set up the apron of surface about the battery module to and at least one sets up the middle end plate between two elastic gasket, through the connection of connecting end plate and middle end plate, can wrap up the battery module. Because the edge protrusion in the surface of two electric cores of the middle end plate between two electric cores for the module connection structure bears the impact force by the middle end plate earlier when suffering the impact, reduces the damage that the electric core suffered bringing of impact force. The utility model discloses a module connection structure joint strength is big, and is small, and shock resistance is strong.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of a module connection structure according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a part of a module connecting structure according to another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a storage battery according to another embodiment of the present invention.

In the figure:

1. a module connecting structure; 11. an elastic pad; 111. a contact end; 112. a spacer end; 12. connecting the end plates; 13. a cover plate; 131. air holes; 14. a middle end plate;

200. a battery module; 210. an electric core; 300. a housing.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the utility model provides a module connection structure 1 is applied to battery module 200 that a plurality of electric cores 210 constitute, including setting up the elastic gasket 11 between electric core 210, set up a plurality of connection end plate 12 in a plurality of side peripheries of battery module 200 and interconnect, set up apron 13 at battery module 200 upper and lower surface, and at least one sets up middle end plate 14 between two elastic gasket 11, connect end plate 12 and apron 13 and be connected with middle end plate 14 respectively, with parcel battery module 200, refer to fig. 2, the edge protrusion in two electric core 210's surface of middle end plate 14 between two electric core 210.

The utility model discloses a set up module connection structure 1 of using on battery module 200, module connection structure 1 is including setting up the elastic gasket 11 between electric core 210 and setting up the connection end plate 12 in the periphery of a plurality of sides of battery module 200, and set up the apron 13 on battery module 200 upper and lower surface to and at least one sets up the middle end plate 14 between two elastic gasket 11, through connecting end plate 12 and middle end plate 14's connection, can wrap up battery module 200. Referring to fig. 1 and 2, since the middle end plate 14 between the two battery cells 210 protrudes out of the surfaces of the two battery cells 210, when the module connecting structure 1 is impacted, the middle end plate 14 bears the impact force first, so as to reduce the damage to the battery cells 210 caused by the impact force. The utility model discloses a module connection structure 1 joint strength is big, and is small, and shock resistance is strong.

In one embodiment, the connecting end plate 12 and the middle end plate 14 are connected by welding, which can fixedly connect the connecting end plate 12 and the middle end plate 14 to improve the structural strength.

In another embodiment, the cover plate 13 and the middle end plate 14 are connected by bonding, so that the cover plate 13 and the middle end plate 14 are easy to disassemble while the structural strength of the cover plate 13 and the middle end plate 14 is ensured, and the disassembly and the assembly during maintenance are convenient.

In addition, the cover plate 13 may be made of metal, and the cover plate 13 can be made thin and light and has high strength by using the characteristics of high strength and high ductility of metal.

Preferably, referring to fig. 1, air holes 131 may be formed through one or more cover plates 13, so as to provide a heat dissipation channel when the battery cells 210 generate heat.

Further, referring to fig. 1, the air holes 131 may be shaped as a long waist hole, which can ensure the heat dissipation aperture of the air holes 131 to the maximum extent and maintain the structural strength of the cover plate 13.

In another embodiment, referring to fig. 2, the elastic gasket 11 is provided with a contact end 111 and a spacing end 112, the contact end 111 is connected with the surface of the battery cell 210, and the spacing end 112 is used for spacing two adjacent battery cells 210, so that the material used for the elastic gasket 11 can be reduced, and the manufacturing cost can be saved.

In addition, the elastic pad 11 may be made of rubber, which has good damping and can absorb the vibration suffered by the battery cell 210 to avoid damage.

Referring to fig. 3, the present invention further provides a storage battery, which includes a battery module 200, a housing 300, and the module connecting structure 1, wherein the module connecting structure 1 is applied to the battery module 200, and the battery module 200 and the module connecting structure 1 are disposed inside the housing 300. The module connecting structure 1 in this embodiment may have the same structure and achieve the same effect as the module connecting structure 1 in the above embodiment, and details are not repeated in this embodiment.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or positional relationship based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a module connection structure, is applied to the battery module that a plurality of electricity cores are constituteed, its characterized in that is in including setting up elastic gasket between the electricity core sets up a plurality of connection end plates of a plurality of side peripheries of battery module and interconnect set up the apron of surface about the battery module, and at least one sets up two middle end plate between the elastic gasket, connect the end plate with the apron respectively with middle end plate is connected, in order to wrap up the battery module, the edge protrusion of middle end plate in two the surface of electricity core.

2. The module connecting structure according to claim 1, wherein the connecting end plate is connected to the intermediate end plate by welding.

3. The module connecting structure according to claim 1, wherein the cover plate is connected to the intermediate end plate by adhesion.

4. The module connecting structure according to claim 1, wherein the cover plate is made of metal.

5. The modular connection structure according to claim 1, wherein one or more of the cover plates have air holes formed therethrough.

6. The module connecting structure according to claim 5, wherein the shape of the air hole is a long waist hole type.

7. The module connecting structure according to claim 1, wherein the elastic gasket is provided with a contact end and a spacing end, the contact end is connected with the surfaces of the battery cells, and the spacing end is used for spacing two adjacent battery cells.

8. The module connecting structure according to claim 1, wherein the elastic spacer is made of rubber.

9. A secondary battery comprising a battery module, a case, and the module connecting structure according to any one of claims 1 to 8, the module connecting structure being applied to the battery module, the battery module and the module connecting structure being disposed inside the case.