CN222619938U - Highly integrated CCS lithium battery module structure - Google Patents

Abstract

The utility model relates to the technical field of battery modules and discloses a highly integrated CCS lithium battery module structure, which comprises a battery cell group, wherein the battery cell group is fixed through a module end plate and a module side plate, the module end plate and the adjacent module side plate are connected and fixed through corresponding connecting bolts, the battery cell group is formed by arranging a plurality of battery cells along the axial direction, the battery cells are separated by CR foam, the CR foam is also arranged between the battery cell group and the module end plate, the phenomenon of welding slag splashing in the welding process can be reduced through the CCS integrated busbar, the production efficiency is improved, the working hours are reduced, meanwhile, the battery cell output aluminum row and a metal plate can be insulated through the structures such as the CR foam and a side insulating film, the short circuit caused by accidental falling of the metal is prevented, the expansion of the battery cells due to collision is reduced, the whole structure is simple and reliable, the disorder is avoided, and the neat and beautiful appearance of the whole wire harness is improved.

Description

Highly integrated CCS lithium battery module structure

Technical Field

The utility model relates to the technical field of battery modules, in particular to a highly integrated CCS lithium battery module structure.

Background

The battery module is usually formed by connecting a plurality of single batteries in series/parallel, and is arranged between a cover plate and a bottom plate, side plates and end plates are arranged around the single batteries, and the bottom plate, the side plates, the end plates and the cover plate are fixed by bolts.

Traditional battery module adopts the pencil to weld to the battery post on, and this kind of battery signal acquisition mode is very loaded down with trivial details in the production process to cause the welding slag to splash easily, this kind of acquisition mode needs manual welding, and degree of automation is low.

Disclosure of utility model

The utility model aims to provide a highly integrated CCS lithium battery module structure, which aims to solve the problem of position conflict between a supporting beam and a main body column in the prior art.

The utility model discloses a highly integrated CCS lithium battery module structure, which comprises a battery cell group, wherein the battery cell group is fixed through a module end plate and a module side plate, the module end plate and the adjacent module side plate are connected and fixed through corresponding connecting bolts, the battery cell group is formed by arranging a plurality of battery cells along the axial direction, a plurality of battery cells are separated by CR foam, CR foam is also arranged between the battery cell group and the module end plate, a side insulating film is arranged between the battery cell group and the module side plate, and a CCS integrated busbar is arranged at the top of the battery cell group.

Preferably, the CCS integrated busbar is fixed on the battery cell group by laser welding.

Preferably, the CCS integrated busbar is composed of an upper insulating film, a battery information collection FPBC, an aluminum busbar, and a lower insulating film.

Preferably, positive and negative output aluminum rows are formed at the left end and the right end of the aluminum row, and the positive and negative output aluminum rows are respectively welded on the positive and negative electrodes of the battery cell group through laser.

Preferably, the positive and negative output aluminum bars are fixed and protected by the insulating plastic part base and the insulating plastic part upper cover.

Preferably, the two insulating plastic part bases are respectively fixed on the two module end plates through bolts, and through holes for fixing the insulating plastic part bases through bolts are formed in the tops of the module end plates.

Preferably, the top of the battery cell group is fastened with a PC insulation upper cover, and the CCS integrated busbar is arranged between the battery cell group and the PC insulation upper cover.

Preferably, the top of the PC insulation upper cover is provided with an anode and cathode identification groove.

Preferably, two mutually symmetrical connecting holes are formed in the module end plates, screws are arranged in the connecting holes, and the two module end plates are fixed on the PACK bottom shell through the screws.

Preferably, one end of the battery information collection FPBC is provided with a connection port, and notch grooves matched with the connection port in size are formed in the PC insulation upper cover, the PC insulation upper film and the PC insulation lower film.

Compared with the prior art, the highly integrated CCS lithium battery module structure provided by the utility model has the advantages that through the CCS integrated busbar, the phenomenon of welding slag splashing in the welding process can be reduced, the production efficiency is improved, the working hours are reduced, meanwhile, through the structures such as the CR foam and the side insulating film, the battery cell output aluminum busbar and the metal plate can be insulated, the short circuit caused by unexpected falling of the metal is prevented, the battery cells are buffered, the expansion of the battery cells caused by collision is reduced, the whole structure is simple and reliable, the disordered wire harness is avoided, and the clean and attractive degree of the whole appearance is improved.

Drawings

Fig. 1 is an exploded view of a highly integrated CCS lithium battery module structure according to the present utility model;

Fig. 2 is a schematic diagram of the overall structure of a highly integrated CCS lithium battery module structure according to the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The implementation of the present utility model will be described in detail below with reference to specific embodiments.

In the description of the present utility model, it should be understood that, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus the terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that the specific meaning of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-2, a preferred embodiment of the present utility model is provided.

The utility model provides a highly integrated CCS lithium battery module structure, including electric core group 6, electric core group 6 is fixed through module end plate 8 and module curb plate 10, connect fixedly through corresponding connecting bolt between module end plate 8 and the adjacent module curb plate 10, electric core group 6 is arranged along the axial by a plurality of electric cores and is constituteed, interval is carried out through CR bubble cotton 7 between a plurality of electric cores, also be equipped with CR bubble cotton 7 between electric core group 6 and the module end plate 8, be provided with side insulating film 9 between electric core group 6 and the module curb plate 10, the top of electric core group 6 is provided with the integrated busbar of CCS.

Through the integrated female row of CCS that is equipped with, reducible welding slag that exists in welding process splashes's phenomenon to improve production efficiency, reduce man-hour, through the cotton 7 of CR bubble that is equipped with and structure such as side insulating film 9 simultaneously, can insulate electric core output aluminium row 5 and panel beating, prevent the unexpected short circuit that drops of metal and lead to, and buffer between the electric core, reduce the inflation that leads to the electric core because of the collision, overall structure is simple reliable, avoids the wire harness to be disordered, improves the clean and tidy aesthetic measure of whole appearance.

Specifically, in this embodiment, the CCS integrated busbar is fixed on the battery cell group 6 by laser welding.

Because the CCS integrated busbar is welded on the battery cell group 6 through laser, the phenomenon of welding slag splashing can be reduced, and the production efficiency is improved.

Specifically, in this embodiment, the CCS integrated busbar is composed of an upper insulating film 2, a battery information collection FPBC3, an aluminum busbar 5, and a lower insulating film 4.

Through the setting of upper insulating film 2 and lower insulating film 4 to can further avoid aluminium row 5 and panel beating contact, thereby realize insulating aluminium row 5, prevent the short circuit that metal contact leads to.

Specifically, in this embodiment, positive and negative output aluminum rows 5 are formed at the left and right ends of the aluminum row 5, and the positive and negative output aluminum rows 5 are respectively welded on the positive and negative electrodes of the cell group 6 by laser.

Specifically, in this embodiment, the positive and negative output aluminum bars 5 are fixed and protected by the insulating plastic base 12 and the insulating plastic upper cover 11.

The positive and negative output aluminum bars 5 can be fixed through the insulating plastic part upper cover 11 and the insulating plastic part base 12, and meanwhile, the insulating protection of the positive and negative output aluminum bars 5 is realized.

Specifically, in this embodiment, two insulating plastic base 12 are fixed on two module end plates 8 respectively through bolts, and a through hole for fixing the insulating plastic base 12 through bolts is formed at the top of the module end plate 8.

Through fixing the insulating plastic part base 12 and the module end plate 8 through bolts, the connection stability of the insulating plastic part can be ensured, and the fixing capacity and the protection capacity of the positive and negative output aluminum bars 5 are improved.

Specifically, in this embodiment, the top of the battery cell group 6 is fastened with a PC insulation upper cover 1, the ccs integrated busbar is disposed between the battery cell group 6 and the PC insulation upper cover 1, and the top of the PC insulation upper cover 1 is provided with an anode-cathode identification slot 14.

The battery module can be identified with the anode and the cathode through the insulation protection of the battery cell group 6 and the aluminum row 5 by the PC insulation upper cover 1, so that a user can quickly identify the anode and the cathode of the battery module.

Specifically, in this embodiment, two symmetrical connection holes are formed in two module end plates 8, screws 13 are disposed in the connection holes, and the two module end plates 8 are fixed on the PACK bottom shell through the screws 13.

Through the connecting hole and the screw 13 that are equipped with to can conveniently carry out quick connect with battery module and PACK drain pan, improve the convenience when battery module installs.

Specifically, in this embodiment, one end of the battery information collection FPBC3 is provided with a connection port, and notch grooves adapted to the size of the connection port are formed in the PC insulation upper cover 1, the upper insulation film 2 and the lower insulation film 4.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a highly integrated CCS lithium cell module structure, its characterized in that, includes electric core group, electric core group is fixed through module end plate and module curb plate, connect fixedly through corresponding connecting bolt between module end plate and the adjacent module curb plate, electric core group is arranged along the axial by a plurality of electric cores and is constituteed, a plurality of keep apart through CR bubble cotton between the electric core, also be equipped with the CR bubble cotton between electric core group and the module end plate, be provided with the side insulating film between electric core group and the module curb plate, the top of electric core group is provided with the integrated busbar of CCS.

2. The highly integrated CCS lithium battery module structure as claimed in claim 1, wherein said CCS integration busbar is fixed to said battery cell group by laser welding.

3. The highly integrated CCS lithium battery module structure as claimed in claim 1, wherein said CCS integration busbar is composed of an upper insulating film, a battery information collection FPBC, an aluminum row and a lower insulating film.

4. The highly integrated CCS lithium battery module structure as claimed in claim 3, wherein said aluminum rows are formed with positive and negative output aluminum rows at left and right ends thereof, respectively welded on positive and negative electrodes of said battery cell group by laser.

5. The highly integrated CCS lithium battery module structure as claimed in claim 4, wherein said positive and negative output aluminum bars are fixed and protected by insulating plastic base and insulating plastic top cover.

6. The highly integrated CCS lithium battery module structure as claimed in claim 5, wherein two said insulating plastic bases are respectively fixed on two module end plates by bolts, and the top of the module end plates is provided with through holes for fixing the insulating plastic bases by bolts.

7. The highly integrated CCS lithium battery module structure as claimed in claim 1, wherein said top of said battery cell is fastened with a PC insulation top cover, and the CCS integrated busbar is disposed between said battery cell and said PC insulation top cover.

8. The highly integrated CCS lithium battery module structure as claimed in claim 7, wherein said top of said PC insulation top cover is provided with a positive and negative identification slot.

9. The highly integrated CCS lithium battery module structure as claimed in claim 1, wherein two symmetrical connection holes are formed on two module end plates, screws are disposed in the connection holes, and the two module end plates are fixed on the PACK bottom case by the screws.

10. The highly integrated CCS lithium battery module structure as claimed in claim 4, wherein a connection port is provided at one end of said battery information collection FPBC, and notch grooves corresponding to the connection port are formed in each of said PC insulation top cover, said upper insulation film and said lower insulation film.