CN217641626U

CN217641626U - Electricity core module

Info

Publication number: CN217641626U
Application number: CN202221602090.8U
Authority: CN
Inventors: 卢小亭
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-21
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses an electricity core module. It includes left side end plate, right side end plate, middle end plate, busbar assembly and a plurality of short module, and every short module all includes a plurality of monomer electric cores, and a plurality of short modules are all installed between left side end plate and right side end plate, middle end plate sets up between adjacent short module, the busbar assembly is installed in the top of a plurality of short modules with all monomer electric core series connection. The utility model discloses under the condition of whole car quality and space restriction, through the busbar assembly that increases middle end plate, series design, with a plurality of short modules and become a long module, realized possessing the long module scheme of high energy, reduced part quantity and saved space, practiced thrift product cost greatly.

Description

Electricity core module

Technical Field

The utility model belongs to the technical field of power battery, concretely relates to electricity core module.

Background

In the market, generally, electric vehicles with high driving mileage are preferred, so a battery pack with higher energy density is usually sought in the design stage, that is, the battery pack can have higher reserve energy under the condition of the same weight. If two short modules are combined, each short module has two end plates, and four end plates occupy larger space; simultaneously in order to establish ties two short modules, the centre has additionally increased the copper bar and has connected, and the bolt-up becomes many, has further increased the space, leads to the unable vehicle space design requirement of adaptation of the whole volume increase of battery package.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the deficiencies in the prior art, provide an electric core module by a plurality of short modules and growth module, effectively reduced part quantity and saved space, practiced thrift product cost greatly.

The utility model adopts the technical proposal that: the utility model provides an electricity core module, includes left side end plate, right side end plate, middle end plate, busbar assembly and a plurality of short module, and every short module all includes a plurality of monomer electric cores, and a plurality of short modules are all installed between left side end plate and right side end plate, middle end plate sets up between adjacent short module, the busbar assembly is installed in the top of a plurality of short modules with all monomer electric cores series connection.

Further, the busbar assembly includes division board, flexible circuit board and a plurality of piece, the top of a plurality of short modules of division board laminating is arranged, be equipped with a plurality of piece standing grooves of blocking on the division board, a plurality of pieces of blocking set up respectively in a plurality of piece standing grooves of blocking, the utmost point post of monomer electricity core passes the via hole in the piece standing groove of blocking and is connected bottom the piece, flexible circuit board sets up in the division board top, and flexible circuit board both sides are stretched out a plurality of connecting pins and are connected with a plurality of pieces of blocking respectively.

Further, the piece standing groove includes the diplopore standing groove, be equipped with the anodal post via hole that the anodal post that is used for supplying one electric core passes through and be used for supplying the negative pole post via hole that the negative pole post of another adjacent electric core passes through in the diplopore standing groove, the anodal post of one electric core and the negative pole post of another adjacent electric core pass respectively anodal post via hole, negative pole post via hole are connected with piece bottom both ends.

Furthermore, the bus bar placing groove comprises a single-hole placing groove, a through hole for allowing one polar column of the battery cell to pass through is formed in the single-hole placing groove, and one polar column of the battery cell penetrates through the through hole to be connected with the bottom of the bus bar.

Further, a plurality of short modules, left side end plate, right side end plate and middle end plate group become long module structure, long module structure encircles the fixed band locking that sets up through the level.

Further, still include the visor, the visor is installed in busbar assembly top.

Further, still include the insulating piece, the insulating piece is fixed in the bottom of a plurality of short modules.

Furthermore, the middle end plate is of an integral plate-shaped structure, connecting holes penetrating through the middle end plate up and down are formed in the middle end plate, and weight reduction grooves are formed in the side faces of the middle end plate.

Furthermore, one side that short module was kept away from to left side end plate and right side end plate all is equipped with the grid groove that subtracts heavy.

The utility model discloses under the condition of whole car quality and space restriction, through increasing middle end plate, the busbar assembly of series design becomes a long module with a plurality of short modules, has realized possessing the long module scheme of high energy to reached 1+1 > 2 effect, reduced part quantity and saved space, practiced thrift product cost greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of another view angle of the present invention.

Fig. 3 is a schematic view of the present invention without showing the protective cover.

Fig. 4 is an explosion diagram of the present invention.

Fig. 5 is a schematic view of the left (right) side end plate of the present invention.

Fig. 6 is a schematic view of the middle end plate of the present invention.

Fig. 7 is a partial schematic view of the partition board of the present invention.

Fig. 8 is a partial schematic view of the flexible circuit board of the present invention.

Fig. 9 is a schematic view of the bus bar of the present invention.

In the figure: 1-a first short module; 2-a second short module; 3-left side end plate; 4-right side end plate; 5-a middle end plate; 6-a busbar assembly; 7-a protective cover; 8, fixing the belt; 9-an insulating sheet; 10-a separator plate; 11-a flexible circuit board; 12-Bapian; 13-a bablet placing groove; 14-a via hole; 15-connection pins; 16-a double-hole placing groove; 17-single hole placing groove; 18-connecting holes; 19-weight reduction slots; 20-grid grooves; 21-lightening holes; 22-limit bump.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-9, the utility model provides an electric core module, including left side end plate 3, right side end plate 4, middle end plate 5, busbar assembly 6 and a plurality of short module, a plurality of short module are preferred two or three short module, be two short modules in this embodiment, be the short module 2 of first short module 1 and second respectively, every short module all includes a plurality of monomer electric cores, and the short module 2 of first short module 1 and second is installed side by side between left side end plate 3 and right side end plate 4, middle end plate 5 sets up between the short module 2 of first short module 1 and second, busbar assembly 6 is installed at the top of the short module 2 of first short module 1 and second and is with all monomer electric core series connection.

In the above scheme, the busbar assembly 6 is located between the protective cover 7 and the first short module 1 and the second short module 2, and is used for connecting the electric cores in series, integrating the voltage and the temperature of the electric cores and outputting the voltage and the temperature, the busbar assembly 6 comprises an isolation plate 10, a flexible circuit board (FPC) 11 and a plurality of bars 12, the isolation plate 10 is used for fixing the bars 12 and the flexible circuit board 11, and the bars 12 are used for connecting the electric cores in series. The top of the first short module 1 of division board 10 laminating and the short module 2 of second is arranged, and division board 10 middle part is equipped with a plurality of lightening holes 21, division board 10 both sides are equipped with a plurality of piece standing grooves 13, a plurality of pieces 12 of ba set up respectively in a plurality of piece standing grooves 13, and the utmost point post of monomer electricity core passes the via hole 14 in the piece standing groove 13 and is connected with piece 12 bottom, flexible circuit board 11 sets up in division board 10 top, and flexible circuit board 11 both sides are stretched out a plurality of connecting pin 15 and are connected with a plurality of pieces 12 tops respectively.

According to the position difference of the battery cores, the bus bar placing groove 13 comprises a plurality of double-hole placing grooves 16 and two single-hole placing grooves 17, a positive pole through hole for a positive pole of one battery core to pass through and a negative pole through hole for a negative pole of another adjacent battery core to pass through are formed in each double-hole placing groove 16, and the positive pole of one battery core and the negative pole of another adjacent battery core respectively penetrate through the positive pole through hole and the negative pole through hole to be connected with the two ends of the bottom of the bus bar. A via hole for passing one pole of the battery cell is formed in the single-hole placing groove 17, and one pole of the battery cell passes through the via hole to be connected with the bottom of the bus bar. The middle part of the piece 12 placed in the double-hole placing groove 16 is provided with a limiting bulge 22, and after the protective cover is installed, the limiting bulge 22 is in contact with the protective cover to play a limiting role.

In the above scheme, first short module 1, the short module 2 of second, left side end plate 3, right side end plate 4 and middle end plate 5 constitute long module structure, long module structure encircles the locking of one or more fixed band 8 that set up through the level, and fixed band 8 material is stainless steel or plastic steel material, and fixed band 8 is used for in follow-up electric core module use, plays the constraint effect when the electricity core generates heat and expands.

In the above scheme, still include visor 7, visor 7 is installed in 6 tops of busbar assembly, and visor 7 material is PC, and the visor is used for protecting the module, can reach dustproof and insulating effect.

In the above scheme, still include insulating piece 9, insulating piece 9 is fixed in the bottom of a plurality of short modules. The insulating piece material is PC, plays insulating effect.

In the above scheme, the middle end plate 5 is of an integral plate-shaped structure, two sides of the middle end plate, which are attached to the first short module 1 and the second short module 2, are both planes, the middle end plate 5 is provided with connecting holes 18 which vertically penetrate through the connecting bolts, and the front side surface and the rear side surface of the middle end plate 5 are provided with weight reduction grooves 19. And one sides of the left end plate 3 and the right end plate 4 far away from the short module are provided with weight-reducing grating grooves 20. Set up the grid groove on left side end plate 3, right side end plate 4 and the middle end plate 5, subtract heavy groove and can reduce product weight and cost.

The utility model discloses increase middle end plate between the adjacent short module, both sides end plate extrudees two short modules thereupon, install one simultaneously and mould steel band and two steel bands (3 fixed bands promptly) bundle and live, in order to guarantee that it is difficult for scattering, establish ties whole electric core after finally welding busbar assembly to electric core on, realized two short module like this and become the scheme of growth module, end plate quantity only is 3, construction bolt reduces 2, part quantity has been reduced and space is saved, the product cost is greatly practiced thrift.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Those not described in detail in this specification are within the skill of the art.

Claims

1. The utility model provides an electricity core module, its characterized in that: including left side end plate (3), right side end plate (4), middle end plate (5), busbar assembly (6) and a plurality of short module, every short module all includes a plurality of monomer electric cores, and a plurality of short modules are all installed between left side end plate (3) and right side end plate (4), middle end plate (5) set up between adjacent short module, busbar assembly (6) are installed in the top of a plurality of short modules with all monomer electric core series connection.

2. The battery cell module of claim 1, wherein: busbar assembly (6) include division board (10), flexible circuit board (11) and a plurality of piece (12) of ba, the top of a plurality of short modules of division board (10) laminating is arranged, be equipped with a plurality of piece standing grooves (13) of ba on division board (10), a plurality of piece (12) of ba set up respectively in a plurality of piece standing grooves (13) of ba, and the utmost point post of monomer electricity core passes via hole (14) in the piece standing groove (13) of ba and is connected bottom piece (12), flexible circuit board (11) set up in division board (10) top, and flexible circuit board (11) both sides are stretched out a plurality of connection pin (15) and are connected with a plurality of piece (12) top respectively.

3. The battery cell module of claim 2, wherein: the bus piece placing groove (13) comprises a double-hole placing groove (16), a positive pole through hole for a positive pole of one battery cell to pass through and a negative pole through hole for a negative pole of another adjacent battery cell to pass through are formed in the double-hole placing groove (16), and the positive pole of one battery cell and the negative pole of another adjacent battery cell respectively pass through the positive pole through hole and the negative pole through hole and are connected with the two ends of the bottom of the bus piece.

4. The cell module set according to claim 2, wherein: the bus bar piece placing groove (13) comprises a single-hole placing groove (17), a through hole for allowing one pole of the battery cell to pass through is formed in the single-hole placing groove (17), and one pole of the battery cell penetrates through the through hole to be connected with the bottom of the bus bar piece.

5. The battery cell module of claim 1, wherein: a plurality of short modules, left side end plate (3), right side end plate (4) and middle end plate (5) constitute long module structure, long module structure encircles fixed band (8) locking that sets up through the level.

6. The battery cell module of claim 1, wherein: the protective cover (7) is further included, and the protective cover (7) is installed at the top of the bus bar assembly (6).

7. The battery cell module of claim 1, wherein: still include insulating piece (9), insulating piece (9) are fixed in the bottom of a plurality of short modules.

8. The battery cell module of claim 1, wherein: the middle end plate (5) is of an integral plate-shaped structure, a connecting hole (18) which penetrates through the middle end plate (5) up and down is formed in the middle end plate (5), and a weight reduction groove (19) is formed in the side face of the middle end plate (5).

9. The battery cell module of claim 1, wherein: and one sides of the left side end plate (3) and the right side end plate (4) far away from the short module are respectively provided with a weight-reducing grating groove (20).