CN217116501U

CN217116501U - Battery module signal acquisition board and battery module

Info

Publication number: CN217116501U
Application number: CN202220574635.2U
Authority: CN
Inventors: 郑凯; 刘鹏; 刘金钊; 肖河阳; 黄堤清
Original assignee: Guangzhou Anbo New Energy Technology Co ltd Fuzhou Branch
Current assignee: Guangzhou Anbo New Energy Technology Co ltd Fuzhou Branch
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-02
Anticipated expiration: 2032-03-16

Abstract

The utility model provides a battery module signal acquisition board and battery module relates to battery module technical field. The utility model discloses a battery module signal acquisition board, including first insulating layer, conductor layer and second insulating layer, the both sides of conductor layer respectively with first insulating layer and second insulating layer laminating; the conductor layer comprises a circuit board and a plurality of conductor bars, and the circuit board is respectively connected with the plurality of conductor bars; the first insulating layer with be equipped with a plurality of bellying on the second insulating layer, be equipped with between the adjacent conductor bar and hold the buffering space of bellying. The utility model has the advantages of good ductility and strong stress adaptability.

Description

Battery module signal acquisition board and battery module

Technical Field

The utility model relates to a battery module technical field especially relates to a battery module signal acquisition board and battery module.

Background

At present, hot pressing battery package signal acquisition board on the market adopts insulating material such as PET (polyethylene terephthalate) or PI (polyimide) to connect usually, because there are a plurality of electric cores to arrange neatly in the battery module, the insulating layer adopts planar design usually, utilizes the ductility of insulating material itself, protects the solder joint when electric core inflation or vehicle travel vibrations. In order to satisfy higher energy demand, the dimensional requirement of battery module is bigger and bigger, and dimensional tolerance requires highly during the assembly, leads to difficult assembly, or the obvious grow of welding department atress when electric core inflation or vehicle travel vibrations after the assembly, and product ductility and stress adaptability lead to the solder joint to drop easily inadequately.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a battery module signal collecting plate which is helpful to increase the ductility of an insulating layer and improve the stress adaptability of a product.

A battery module signal acquisition board comprises a first insulating layer, a conductor layer and a second insulating layer, wherein two surfaces of the conductor layer are respectively attached to the first insulating layer and the second insulating layer; the conductor layer comprises a circuit board and a plurality of conductor bars, and the circuit board is respectively connected with the plurality of conductor bars; the first insulating layer with be equipped with a plurality of bellying on the second insulating layer, be equipped with between the adjacent conductor bar and hold the buffering space of bellying.

Above-mentioned battery module signal acquisition board sets up the buffering space that holds first insulating layer and second insulating layer bellying between adjacent conductor ba, and when the electric core inflation of department or when receiving the stress of dragging, the bellying can provide extra extension, has increased the ductility of insulating layer, has improved the stress adaptability of product, reduces the solder joint and destroys.

In one embodiment, the conductor bar is aluminum bar or copper bar.

In one embodiment, the circuit board is a flexible circuit board.

In one embodiment, the circuit board is soldered to the conductor bar.

In one embodiment, the first insulating layer is a PET insulating film or a PI insulating film.

In one embodiment, the second insulating layer is a PET insulating film or a PI insulating film.

In one embodiment, the first and second insulating layers are coated with adhesive layers on sides thereof adjacent to the conductor layer.

In one embodiment, the projections are semi-circular arcuate projections.

The utility model also provides a battery module, including a plurality of battery module signal acquisition board and a plurality of electric core of the invention, be equipped with a plurality of through-hole on the second insulating layer, electric core passes the through-hole with the conductor layer electricity is connected.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a battery module signal acquisition board sets up the buffering space that holds first insulation layer and second insulation layer bellying between adjacent conductor ba, and when the electric core inflation of department or when receiving and dragging stress, the bellying can provide extra extension, has increased the ductility of insulating layer, has improved the stress adaptability of product, reduces the solder joint and destroys. The utility model discloses a stress strong adaptability of battery module, product life is high.

Drawings

Fig. 1 is an exploded view illustrating a battery module according to an embodiment.

Fig. 2 is a schematic structural diagram of a conductor bar in the embodiment.

Fig. 3 is a schematic structural diagram of a first insulating layer in an embodiment.

In the figure, 100, a first insulating layer, 110, a protruding part, 200, a conductor layer, 210, a circuit board, 220, a conductor bar, 221, a buffer gap, 300, a second insulating layer, 400 and a battery cell.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

A signal collecting board for a pool module, as shown in FIGS. 1 to 3, comprises a first insulating layer 100, a conductive layer 200 and a second insulating layer 300, wherein one surface of the conductive layer 200 is attached to the first insulating layer 100, and the other surface is attached to the second insulating layer 300. If necessary, an adhesive may be coated on the inner side surfaces of the first insulating layer 100 and the second insulating layer 300 to improve the connection effect with the conductor layer 200. The conductive layer 200 includes a circuit board 210 and a plurality of conductor bars 220, the plurality of conductor bars 220 are arranged in two rows, and two branches of the circuit board 210 are respectively connected to the two rows of conductor bars 220 by soldering. Preferably, the circuit board 210 is an FPC, the conductor bar 220 is an aluminum bar or a copper bar, the first insulating layer 100 is a PET insulating film or a PI insulating film, and the second insulating layer 300 is a PET insulating film or a PI insulating film.

The first insulating layer 100 and the second insulating layer 300 are provided with a plurality of protrusions 110, and a buffer gap 221 for accommodating the protrusions 110 is arranged between adjacent conductor bars 220, so that the protrusions 110 can extend when being pulled, and the extensibility and the stress adaptability of the product are improved. Preferably, the boss 110 is a semi-circular arch boss.

Example 2

A battery module, as shown in fig. 1, includes the battery module signal acquisition board of embodiment 1 and a plurality of battery core 400, is equipped with a plurality of through-holes on the second insulating layer 300, and battery core 400 passes through to be electrically connected with conductor layer 200.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a battery module signal acquisition board which characterized in that: the conductive layer is attached to the first insulating layer and the second insulating layer on two sides respectively; the conductor layer comprises a circuit board and a plurality of conductor bars, and the circuit board is respectively connected with the plurality of conductor bars; the first insulating layer with be equipped with a plurality of bellying on the second insulating layer, be equipped with between the adjacent conductor bar and hold the buffering space of bellying.

2. The battery module signal acquisition board of claim 1, wherein: the conductor bar is aluminum bar or copper bar.

3. The battery module signal acquisition board of claim 1, wherein: the circuit board is a flexible circuit board.

4. The battery module signal acquisition board of claim 1, wherein: the circuit board is connected with the conductor bar in an abutting or welding mode.

5. The battery module signal acquisition board of claim 1, wherein: the first insulating layer is a PET insulating film or a PI insulating film.

6. The battery module signal acquisition board of claim 1, wherein: the second insulating layer is a PET insulating film or a PI insulating film.

7. The battery module signal acquisition board of claim 1, wherein: and the side surfaces of the first insulating layer and the second insulating layer, which are close to the conductor layer, are coated with adhesive layers.

8. The battery module signal acquisition board according to any one of claims 1 to 7, wherein: the convex part is a semicircular arch-shaped convex part.

9. A battery module, comprising the battery module signal acquisition board of any one of claims 1 to 8 and a plurality of battery cells, wherein the second insulating layer is provided with a plurality of through holes, and the battery cells penetrate through the through holes and are electrically connected with the conductor layer.