CN211295213U

CN211295213U - Module end plate and module of power battery pack and power battery pack

Info

Publication number: CN211295213U
Application number: CN202020126019.1U
Authority: CN
Inventors: 冯冰; 叶鹏; 杜育林
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-08-18
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to an electric automobile technical field, in particular to module end plate, module and power battery package of power battery package. The module end plate comprises an insulating base plate and an end plate main body arranged on the insulating base plate, and the insulating base plate and the end plate main body are integrally formed. The module end plate of power battery package is through setting up insulation substrate and end plate main part integration for the end plate can be through insulation substrate and module body direct assembly, need not additionally to set up insulating paper between end plate and module body, has reduced the assembly degree of difficulty between end plate and the module body, and has simplified the assembly process of end plate self, and adopts the integration mode to make overall structure more firm, has improved the security performance of module.

Description

Module end plate and module of power battery pack and power battery pack

Technical Field

The utility model relates to an electric automobile technical field, in particular to module end plate, module and power battery package of power battery package.

Background

With the increasingly serious energy crisis of the current society, new energy automobiles are more and more concerned by the society, especially electric automobiles. The power battery pack is an important component in the electric automobile and provides a power supply for the electric automobile. In the existing design of the power battery pack, the module is used as a core component of the power battery pack, and the design is more important.

At present, the module end plate adopts aluminium system end plate usually, and weight is big, is unfavorable for the high energy density design of module, and is electrically conductive in order to avoid the end plate through setting up insulating paper between module body and aluminium system end plate moreover, because there is dimensional tolerance in the manufacturing process, has increased the installation degree of difficulty, leads to the assembly insecure, and assembly process is complicated moreover, in case insulating paper takes place to damage then causes safety fault such as module short circuit, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a module end plate, module and power battery package of power battery package to the potential safety hazard that causes is assembled to the module body to the module end plate adopts the aluminium board and is assisted with insulating paper in solving prior art.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a module end plate of power battery package, the module end plate includes insulating substrate and sets up end plate main part on the insulating substrate, insulating substrate with end plate main part integration forms.

Optionally, the end plate body comprises a mounting seat for mounting the module output pole.

Optionally, the end plate main body includes two mounting pillars respectively disposed on two sides of the insulating substrate in the width direction, and the mounting pillars are used for mounting to the housing of the power battery pack.

Alternatively, the mounting post is formed with a mounting hole extending in a longitudinal direction to be capable of being fitted to the housing through the mounting hole by a fastener.

Optionally, the insulating substrate is provided with a scratch prevention portion at a position opposite to the fastener.

Optionally, the scratch-proof portion includes a metal insert, the insulating substrate is formed with an installation groove at a position corresponding to and opposite to the fastening member, and the metal insert is embedded in the installation groove.

Optionally, the module end plate is provided as an integral injection molded part.

Compared with the prior art, power battery pack's module end plate have following advantage:

the module end plate of power battery package is through setting up insulation substrate and end plate main part integration for the end plate can be through insulation substrate and module body direct assembly, need not additionally to set up insulating paper between end plate and module body, has reduced the assembly degree of difficulty between end plate and the module body, and has simplified the assembly process of end plate self, and adopts the integration mode to make overall structure more firm, has improved the security performance of module.

Another object of the utility model is to provide a module to the potential safety hazard that causes is assembled to the module body with the insulated paper to the module end plate adopts the aluminium board and is assisted in solving prior art.

the module comprises a module end plate of the power battery pack.

Optionally, the module includes the module body, install respectively on two terminal surfaces on the length direction of module body the module end plate.

The module has the same advantages as the module end plates of the power battery pack compared with the prior art, and the description is omitted.

Another object of the utility model is to provide a power battery package to the potential safety hazard that causes is assembled to the module body with insulating paper to the module end plate adopts the aluminium board and is assisted in solving prior art.

a power battery pack comprises the module.

Compared with the prior art, the advantages of the module end plate of the power battery pack and the module end plate of the power battery pack are the same, and are not described again.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of an end plate according to an embodiment of the present invention;

FIG. 2 is an assembled relationship view of the end plate shown in FIG. 1 with fasteners installed;

FIG. 3 is a front view of the end plate shown in FIG. 2;

fig. 4 is a partial cross-sectional view of the end plate shown in fig. 3 at section a-a.

Description of reference numerals:

1. a module end plate; 2. an insulating substrate; 3. mounting the upright post; 4. a mounting seat; 5. assembling a board surface; 6. A reinforcing structure; 7. mounting holes; 8. a fastener; 9. a scratch prevention section; 10. a metal insert.

Detailed Description

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides a module end plate of power battery package, as shown in fig. 1-4, module end plate 1 includes insulating substrate 2 and sets up end plate main part on the insulating substrate 2, insulating substrate 2 with end plate main part integration forms.

Through the technical scheme, the utility model provides a module end plate 1 of power battery package, module end plate 1 of power battery package is through setting up insulating substrate 2 and end plate main part integration for module end plate 1 can be through insulating substrate 2 and the direct assembly of module body, need not additionally to set up insulating paper between module end plate 1 and module body, has reduced the assembly degree of difficulty between module end plate 1 and the module body, and the assembly process of module end plate 1 self has been simplified, and adopt the integration mode to make overall structure more firm, the security performance of module has been improved, the cost is reduced.

As shown in fig. 1 to 3, the end plate main body includes a mounting seat 4 for assembling the module output electrode, and the mounting seat 4 is integrated on the insulating substrate 2, so that the assembly firmness between the module end plate 1 and the module output electrode is ensured, and the protection effect of the module end plate 1 of the power battery pack on the module output electrode is improved.

In order to strengthen the firmness of the overall structure of the power battery pack, as shown in fig. 1 to 3, the end plate main body comprises two mounting columns 3 respectively arranged at two sides of the insulating base plate 2 in the width direction, and the mounting columns 3 are used for being mounted to a shell of the power battery pack. It is worth mentioning that insulating substrate 2 is including the assembly face 5 and the fixed face of relative setting, and installation stand 3 and mount pad 4 all assemble on assembly face 5 for insulating substrate 2 can be in the same place through fixed face and module body assembly. The width direction of the insulating substrate 2 is the left-right direction shown in fig. 3, and when the mounting device is used, the insulating substrate 2 extends in the vertical direction, and the mounting seat 4 is disposed at the top of the mounting plate surface of the insulating substrate 2.

As shown in fig. 2, the mounting post 3 is formed with a mounting hole 7 extending in a longitudinal direction so as to be able to be assembled to the housing through the mounting hole 7 by a fastener 8, and the mounting is firm, the mounting and the dismounting are convenient, and the structure is simpler. Wherein, mounting hole 7 can set up along the direction of height of insulating substrate 2 for the assembly is more firm between module end plate 1 and the casing of power battery package.

Further, the insulating base plate 2 is provided with a scratch prevention portion 9 at a position opposite to the fastening member 8. When fastener 8 assembles on insulating substrate 2, the head of fastener 8 (for example, the bolt) exposes outside mounting hole 7, for the problem that 8 heads of solving fastener lead to fish tail insulating substrate 2 because of appearing screwing up the slope along the right side that figure 4 shows, insulating substrate 2 with fastener 8 department of being relative is provided with prevents drawing portion 9, has protected insulating substrate 2's integrity effectively, has optimized insulating protective effect of insulating substrate 2 to the module body, has still avoided insulating substrate 2's easy area of drawing 11 to enter into the module body because of the plastics piece that the fish tail formed, has prevented that the piece from damaging the electric core of module body, has guaranteed the security performance of module body. The scratch-proof portion 9 may be made of various reasonable materials, for example, the scratch-proof portion 9 is made of various reasonable materials with hardness greater than that of the fastening member 8.

As shown in fig. 4, the scratch-proof portion 9 includes a metal insert 10, the insulating substrate 2 is formed with a mounting groove at a position corresponding to the fastening member 8, the metal insert 10 is embedded in the mounting groove, the structure is simple, the manufacturing is convenient, and the protection effect of the metal insert 10 on the insulating substrate 2 is ensured. The metal insert 10 may be made of various reasonable materials, such as high-hardness metal sheet, e.g., iron sheet.

Further, module end plate 1 sets up to integrative injection moulding spare, has simplified processing technology, has improved the holistic structural stability of module end plate 1. The module end plate 1 may be made of any reasonable material, such as a polycarbonate-ABS resin composite (i.e., PC-ABS composite). It is worth mentioning that the metal insert 10 can be assembled into the mounting groove in various reasonable ways, for example, it can be integrally formed into the mounting groove by a mold. In order to strengthen the overall strength of the module end plate 1, a reinforcing structure 6 is further formed on the assembly plate surface 5 of the module end plate 1, and specifically, the reinforcing structure 6 can be arranged into grid reinforcing plates which are crossed transversely and longitudinally.

The utility model also provides a module, the module includes the module end plate of power battery package.

Further, the module includes the module body, install respectively on two terminal surfaces on the length direction of module body module end plate 1. Wherein the module end plate 1 can be assembled to the end face of the module body in various rational ways, for example in a glued way.

The utility model also provides a power battery package, power battery package includes the module. Specifically, the power battery pack comprises a housing having a cavity and a module contained within the cavity, the module body being assembled to the housing by mounting posts 3 of a module end plate 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The module end plate of the power battery pack is characterized in that the module end plate (1) comprises an insulating base plate (2) and an end plate main body arranged on the insulating base plate (2), and the insulating base plate (2) and the end plate main body are integrally formed.

2. The module end plate of a power battery pack according to claim 1, characterized in that the end plate body comprises a mounting seat (4) for mounting a module output pole.

3. The module end plate of a power battery pack according to claim 2, characterized in that the end plate body comprises two mounting studs (3) arranged on either side of the insulating base plate (2) in the width direction, respectively, the mounting studs (3) being intended to be mounted to a housing of the power battery pack.

4. The module end plate of a power battery pack according to claim 3, wherein the mounting post (3) is formed with a mounting hole (7) extending in a longitudinal direction to enable fitting to the housing through the mounting hole (7) by a fastener (8).

5. Module end plate of a power battery pack according to claim 4, characterised in that the insulating base plate (2) is provided with a scratch protection (9) opposite the fastening (8).

6. The module end plate of a power battery pack according to claim 5, wherein the scratch prevention part (9) comprises a metal insert piece (10), the insulating base plate (2) is formed with a mounting groove at a position corresponding to the fastening member (8), and the metal insert piece (10) is fitted in the mounting groove.

7. Module end plate of a power battery pack according to claim 6, characterised in that the module end plate (1) is provided as an integral injection moulded part.

8. A module comprising a module end plate of a power battery pack according to any one of claims 1-7.

9. Module according to claim 8, comprising a module body, the module end plates (1) being mounted on both end faces in the length direction of the module body, respectively.

10. A power battery pack, characterized in that it comprises a module according to claim 8 or 9.