CN217562761U

CN217562761U - Battery device and electric equipment

Info

Publication number: CN217562761U
Application number: CN202221174070.5U
Authority: CN
Inventors: 赵冬; 孔繁明; 田瑞生
Original assignee: China Lithium Battery Technology Co Ltd
Current assignee: China Lithium Battery Technology Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-10-11
Anticipated expiration: 2032-05-16

Abstract

The application relates to the technical field of batteries and discloses a battery device and electric equipment. The battery device comprises a battery pack, a conductive bar and an insulating plate, wherein the conductive bar is electrically connected with the battery pack, the insulating plate is used for insulating the battery pack and a structural beam adjacent to the battery pack, the insulating plate comprises a plate body arranged between the battery pack and the structural beam and a supporting plate connected with the plate body, and the supporting plate is arranged above the structural beam and used for supporting the conductive bar. The utility model provides a backup pad of connecting on the plate body of insulation board among the battery device can support and lead electrical drainage, need not additionally to set up and leads electrical drainage mounting, and simple structure reduces spare part quantity, the installation operation of being convenient for to it is low to lose efficacy risk under transportation or vibrations operating mode.

Description

Battery device and electric equipment

Technical Field

The present application relates to the field of battery technologies, and in particular, to a battery device and an electric device.

Background

The battery pack generally includes a case and a battery pack disposed in the case, and the battery pack may include a plurality of single batteries arranged in series and parallel. Wherein, after the group battery assembles in the box, because the casing of battery cell and the box of battery package are metal material generally, conduct to the box when preventing that battery cell from taking place the electric leakage, need set up the insulation board in order to guarantee the insulating nature between the two between group battery and the box.

In addition, the battery pack has a plurality of high-voltage conductive bars, the connection is complex, special conductive bar fixing parts need to be arranged, the number of parts is large, and the assembly is complex.

SUMMERY OF THE UTILITY MODEL

The application discloses battery device and consumer for solve spare part more in the current battery package, and assemble complicated problem.

In order to achieve the purpose, the application provides the following technical scheme:

the utility model provides a battery device includes group battery and the electrically conductive row and the insulation board of being connected with the group battery electricity, the insulation board is used for insulating group battery and the structure roof beam adjacent with the group battery, the insulation board is including locating the plate body between group battery and the structure roof beam and the backup pad of being connected with the plate body, the backup pad is located the top of structure roof beam and is used for supporting electrically conductive row.

The utility model provides a backup pad of connecting on the plate body of insulation board among the battery device can support and lead electrical drainage, need not additionally to set up and leads electrical drainage mounting, and simple structure reduces spare part quantity, the installation operation of being convenient for to it is low to lose efficacy the risk under transportation or vibrations operating mode.

The utility model provides an electric equipment includes foretell battery device, and battery device includes group battery and the box that is used for holding the group battery, and the box includes bottom plate and structure roof beam, is equipped with foretell insulation board between structure roof beam and the group battery, and the backup pad of insulation board is fixed with the structure roof beam, and the backup pad can be used for supporting electrically conductive row.

The application provides a consumer, the backup pad on the insulation board wherein can support and lead electrical drainage, simple structure reduces spare part quantity, the installation operation of being convenient for, moreover, the backup pad passes through the fastener with the structure roof beam to be fixed, and the structure is more stable, and is more firm to the support of leading electrical drainage.

Drawings

Fig. 1 is a schematic structural diagram of a battery pack according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a battery pack according to an embodiment of the present application;

FIG. 3 is a schematic view of an insulating plate according to an embodiment of the present application;

FIG. 4 is an enlarged view of a portion A shown in FIG. 1;

FIG. 5 is an enlarged view of a portion B shown in FIG. 1;

FIG. 6 is an enlarged view of a portion of FIG. 3 at C;

FIG. 7 is a schematic structural diagram of an insulating plate disposed between a battery pack and a structural beam according to an embodiment of the present application;

fig. 8 is a partial enlarged view of fig. 7 at D.

Reference numerals: 1-a battery pack; 10-a battery pack; 20-a box body; 21-a bottom plate; 22-a structural beam; 221-frame beam; 222-an inner beam; 30-an insulating plate; 40-a conductive bar;

01-assembly groove; 02-opening; 03-a support surface;

100-a plate body; 200-a support plate; 210-chamfering; 300-a buffer; 400-a fastener; 410-bolt; 500-ribbon.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

The battery device of the application can be a battery pack and also can be a battery module.

Fig. 1 is a schematic structural diagram of a battery pack according to an embodiment of the present application, as shown in fig. 1, the battery pack 1 includes a battery pack 10 and a box 20 for accommodating the battery pack 10, the box 20 includes a bottom plate 21 and a structural beam 22, the structural beam 22 includes a frame beam 221 and an inner beam 222, the frame beam 221 is disposed along a circumferential direction of the bottom plate 21 and is fixedly connected to the bottom plate 21 to form an accommodating cavity, and the inner beam 222 is disposed in the accommodating cavity and can divide the accommodating cavity into different cavities. The battery pack 10 may be plural and disposed in different cavities. Any battery pack 10 may include a plurality of unit cells arranged side by side, the unit cells having a metal casing, and an insulating plate 30 may be disposed between the battery pack 10 and the structural beams 22 in order to secure insulation of the battery pack 10.

The case 20 of the battery pack 1 is further provided with a conductive bar 40, and the insulating plate 30 is provided with a support plate 200 for supporting the conductive bar 40 in order to fix the conductive bar 40.

Referring to fig. 2, the insulating plate 30 further includes a plate body 100, the plate body 100 may be disposed between the battery pack 10 and the structural beam 22, the supporting plate 200 may be fixedly connected to a side surface of the plate body 100 facing the structural beam 22, the supporting plate 200 is located above the structural beam 22, and a supporting surface of the supporting plate 200 for supporting the conductive bar 40 is disposed away from the structural beam 22 to support the conductive bar 40.

Fig. 3 is a schematic structural view of an insulating plate 30 according to an embodiment of the present application, and the structure of the insulating plate 30 is explained with reference to fig. 3. The support plate 200 of the insulation plate 30 and the plate body 100 form an L-shaped coupling structure, wherein the plate body 100 may be disposed in a vertical direction, the support plate 200 may be disposed in a horizontal direction, and the support plate 200 and the plate body 100 may form an L-shaped coupling structure. The L-shaped connecting structure has the advantages that the L-shaped connecting structure can support the conductive bar 40, and meanwhile, the L-shaped connecting structure can limit the conductive bar 40 and reduce shaking.

One or more support plates 200 may be provided. When the support plate 200 is one, the length thereof may be the same as that of the plate body 100, or the same as that of the structural beam 22. When the support plate 200 is plural, it may be a plurality of protrusions formed outward from the surface of the plate body 100. In the embodiment of the present application, the number of the supporting plates 200 may be selected to be plural, so that the insulating plate 30 can be reduced in weight while supporting the conductive bar 40.

In an alternative embodiment, the supporting plate 200 and the plate body 100 are integrally formed, so that the number of parts can be reduced, and the installation is facilitated.

The insulating plate 30 has openings 02 at two ends of the plate body 100 in the horizontal direction, and the openings 02 are used for leading out the conductive bars 40.

In an alternative of this embodiment, please refer to fig. 4 to 6, a supporting surface 03 is disposed on a surface of the supporting plate 200 away from the structural beam 22, the supporting surface 03 may be an L-shaped surface or a U-shaped surface, a horizontal end surface of the supporting surface is used for supporting the conductive bar 40, and a vertical end surface of the supporting surface can limit the conductive bar 40, so as to prevent the conductive bar 40 from shaking.

The chamfer 210 is arranged at the end face break angle of the L-shaped surface or the end face break angle of the U-shaped surface, so that hands or other structures are prevented from being scratched in the assembling process, and the guide function is achieved in the assembling process, so that the conductive bar 40 is easily assembled in place.

It should be noted that, the supporting surface 03 may be provided with a limiting groove along the length direction of the plate body 100, and the limiting groove is used for fixing the conducting bar 40 and preventing the conducting bar from shaking along the direction perpendicular to the plate body 100. For example, the structure of the limiting groove can be a U-shaped structure.

Referring to fig. 6, a buffer 300 is disposed on a surface of the supporting surface 03 of the supporting plate 200, the conductive bar 40 may be disposed on a surface of the buffer 300, and the buffer 300 may absorb vibration energy to reduce an impact between the conductive bar 40 and the supporting plate 200, thereby preventing the conductive bar 40 from being damaged and prolonging a service life of the component.

The buffer member 300 includes, but is not limited to, natural rubber or a spring, and the buffer member 300 in this embodiment is made of buffer foam, which has the advantages of low cost and easy processing.

Wherein, the two sides of the buffer foam can be precoated with structural adhesive, so that the conductive bar 40 can be better fixed.

In an alternative of this embodiment, the surface of the supporting plate 200 where the supporting surface 03 is located is provided with an assembling groove 01, a fastener 400 is provided in the assembling groove 01, and the supporting plate 200 can be fixed to the structural beam 22 by using the fastener 400, so that the dislocation under the transportation or vibration working condition is avoided.

Referring to fig. 6, the support plate 200 is provided with a through hole, the fastening member 400 passes through the through hole and is connected to the structural beam 22, and the highest point of the fastening member 400 is lower than the support surface 03 of the support plate 200, so that interference between the fastening member 400 and the conductive bar 40 is avoided, the fastening member 400 and the conductive bar 40 are protected, and the safety performance of the battery pack 1 is improved.

In the alternative of this embodiment, the fastening member 400 may be a bolt 410, a screw, etc., and the specific type of the fastening member 400 is not limited herein as long as it can perform the fixing function.

Fig. 7 and 8 are schematic views illustrating a connection structure of the insulating plate 30, the structural beam 22 and the conductive bar 40 according to an embodiment of the present invention, referring to fig. 7 and 8, the insulating plate 30 is disposed between the structural beam 22 and the battery pack 10, a supporting plate 200 is connected to a side of the insulating plate 30 facing the structural beam 22, a fixing hole is disposed on the supporting plate 200, one end of the cable tie 500 is fixedly connected to the structural beam 22, and the other end of the cable tie 500 passes through the fixing hole to clamp the conductive bar 40 in the cable tie 500, so as to fix the conductive bar 40.

Wherein the lower surface of the support plate 200 is adhered to the upper surface of the structural beam 22 in order to avoid the influence of the fastener 400 on the strap 500.

The above-mentioned insulating board 30's that this application embodiment provided backup pad 200 can support and lead electrical drainage 40, need not additionally to set up and leads electrical drainage 40 mounting, and backup pad 200 and plate body 100 be integrated into one piece, and simple structure reduces spare part quantity, the installation operation of being convenient for to it is low to lose efficacy risk under transportation or vibrations operating mode.

Furthermore, the support plate 200 is attached or bonded to the structural beam 22 by fasteners 400, and the support plate 200 is better able to support the conductive bar 40 under the support of the structural beam 22.

In order to further limit the conductive bar 40, the support plate 200 and the plate body 100 form an L-shaped connection structure, or the support surface 03 of the support plate 200 departing from the structural beam 22 is set to be an L-shaped surface or a U-shaped surface, or the conductive bar 40, the support plate 200 and the structural beam 22 are fixed by the tie 500, and the like.

The embodiment of the application also provides electric equipment which can comprise the battery device. The electric equipment may be, for example, a vehicle, a base station equipment, or the like.

It will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments of the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. The battery device is characterized by comprising a battery pack, a conductive bar and an insulating plate, wherein the conductive bar is electrically connected with the battery pack, the insulating plate is used for insulating the battery pack from a structural beam adjacent to the battery pack, the insulating plate comprises a plate body arranged between the battery pack and the structural beam and a supporting plate connected with the plate body, and the supporting plate is arranged above the structural beam and is used for supporting the conductive bar.

2. The battery device of claim 1, wherein the plate body and the support plate are of an integrally formed structure.

3. The battery device of claim 1, wherein a support surface of the support plate for supporting the conductive bar is disposed away from the structural beam.

4. The battery device as claimed in claim 3, wherein the support plate and the plate body form an L-shaped connection structure.

5. The battery device according to claim 4, wherein the support surface is an L-shaped surface or a U-shaped surface.

6. The battery device according to claim 5, wherein a chamfer is provided at an end face corner of the L-shaped surface or an end face corner of the U-shaped surface.

7. The battery device according to claim 5, wherein a surface of the support surface is provided with a buffer member.

8. The battery device of claim 5, wherein the surface of the support plate where the support surface is located is provided with an assembly groove, and a fastener is arranged in the assembly groove for fixing the support plate and the structural beam.

9. The battery pack of claim 4, wherein the support plate has a fastening hole, and a strap has one end fixedly connected to the structural beam and the other end passing through the fastening hole to fasten the conductive bar to the support plate.

10. An electrical consumer, characterized in that it comprises a battery device according to any one of claims 1-9.