CN213212315U

CN213212315U - Compact battery cell module

Info

Publication number: CN213212315U
Application number: CN202022497534.3U
Authority: CN
Inventors: 陈冲; 郭盛昌; 易奎; 肖人漳
Original assignee: Chongqing Jinkang Power New Energy Co Ltd
Current assignee: Chongqing Jinkang Power New Energy Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-05-14
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a compact electric core module, including electric core, output pole, busbar support and collection line, the collection line is connected to the busbar and the output pole, the output pole is connected to the electric core, electric core is a plurality of, a plurality of electric core is arranged along electric core thickness direction and is arranged and constitute electric core group, the busbar sets up on the busbar support, can make compact structure between each electric core, improves the utilization ratio after in groups.

Description

Compact battery cell module

Technical Field

The utility model relates to an automobile parts field, concretely relates to compact electricity core module.

Background

The battery cell module in the prior art has a complex structure, and the structure between each battery cell is not compact, so that the utilization rate is low.

Therefore, in order to solve the above problems, a compact battery cell module is needed, which can make the structure between the battery cells compact and improve the utilization rate after grouping.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide compact electric core module, can make compact structure between each electric core, improve the utilization ratio after in groups.

The utility model discloses a compact electric core module, including electric core, output pole, busbar support and collection line, the collection line is connected to the busbar and the output pole, the output pole is connected to the electric core, electric core is a plurality of, a plurality of electric core is arranged along electric core thickness direction and is arranged and constitute electric core group, the busbar sets up on the busbar support.

Further, a buffering foam is arranged between the adjacent electric cores.

Furthermore, the side of the cell core group along the thickness direction of the cell is provided with an insulating buffer plate, and the cell core group along the two ends of the cell thickness direction and the space between the insulating buffer plates are also provided with the buffer foam.

Furthermore, insulation boards are arranged on the top surface and the bottom surface of the battery core group along the width direction of the battery core, the insulation boards arranged on the top surface of the battery core are downwards sunken along the width direction of the battery core to form an installation position of the acquisition line, and the acquisition line is connected in the installation position.

Further, be provided with the anticreep board on the busbar support, the anticreep board is arranged on the busbar support along electric core length direction, the busbar support passes through the anticreep board along electric core length direction and connects in the both sides of electric core, the output is extremely connected on the busbar support along electric core length direction.

Further, the busbar support is provided with a plurality of connecting bosses protruding towards the direction close to the battery core along the length direction of the battery core, the battery core is connected between the adjacent connecting bosses along the one end of the length direction of the battery core, and the busbar is connected on the busbar support along the length direction of the battery core.

Further, a plurality of busbar installation positions are arranged on the busbar support along the width direction of the battery cell, the busbars are connected to the busbar installation positions, the busbars are connected to the output electrode along the two ends of the thickness direction of the battery cell, and the connecting boss is connected to the output electrode along the length direction of the battery cell in a manner of being away from the battery cell and protruding in the direction of the setting direction.

Furthermore, the cross-section of connecting the boss along electric core length direction is "n" font, the opening part of "n" font is seted up along electric core length direction deviating from electric core.

Furthermore, a lightening hole for reducing the whole weight is formed in the bus bar support.

Further, the output electrode is arranged on the side surface of the battery cell along the length direction of the battery cell.

The utility model has the advantages that: the utility model discloses a compact electric core module, through with a plurality of electric core arranges along electric core thickness direction and arranges and constitute electric core group, further improve the utilization ratio after in groups, and be provided with the insulation board in the top and the bottom of electric core group, be provided with insulating buffer board in the side of electric core group, can effectively protect the performance of electric core group, and still be provided with the buffering bubble cotton between the adjacent electric core, further improve holistic structural strength and shock attenuation effect, electric core group still connects on the busbar support through the anticreep board along length direction's side, improves compactness of structure and stability, just electric core is connected the boss and is pressed from both sides tightly on the busbar support by connecting, the busbar is fixed on the busbar support equally, and the structure integrated level is high and connect more stably.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the bus bar support of the present invention;

fig. 3 is a top view of the bus bar support of the present invention.

Detailed Description

Fig. 1 is the utility model discloses a structural schematic diagram, fig. 2 is the utility model discloses the front view of busbar support, fig. 3 is the utility model discloses the plan view of busbar support, as shown in the figure, in this scheme electric core for the cuboid structure include length wide thick, length, width and thickness in this scheme all use this as the benchmark, compact electric core module in this embodiment includes electric core 11, output pole 12, busbar 13, busbar support 14 and collection line 15, busbar 13 connects collection line 15 and output pole 12, electric core 11 connects output pole 12, electric core 11 is a plurality of, a plurality of electric core 11 arranges along electric core 11 thickness direction and constitutes electric core 11 group, busbar 13 sets up on busbar support 14. The electric core 11 adopts a common electric core 11 plate in the prior art, the electric core 11 is arranged and connected into a group of electric core groups, the busbar 13 and the electric core 11 group are connected through a busbar support 14, then the collecting line 15 and the output electrode are arranged, the electric core module is installed in a battery pack, wherein the output electrode 12 is connected to a BDU or an external charge and discharge interface, the scheme is connected to the BDU, the BDU and the battery pack are the prior art, no description is given here, so that the whole structure is compact, the utilization rate is improved, and the stable output of the electric core 11 is ensured, the electric core module further comprises a protective cover 16, the protective cover 16 is connected with the busbar support 14 along the length direction of the electric core 11, the output electrode 12 is arranged between the busbar support 14 and the protective cover 16, an output electrode installation groove 17 for placing the output electrode 12 is arranged on the protective cover 16, the output electrode 12 is only installed on one side of the, therefore, only one side of the protective cover 16 is provided with an output electrode mounting groove 17, and the output electrodes 12 may also be arranged along two sides of the length direction of the cell module, which is not described herein again.

In this embodiment, buffer foam 18 is disposed between adjacent battery cells 11, insulating buffer plates 19 are disposed on the side surfaces of the battery cell 11 group along the thickness direction of the battery cell 11, insulation plates 20 are disposed on the top surface and the bottom surface of the battery cell 11 group along the width direction of the battery cell 11 and between the battery cells 11 at the two ends of the battery cell 11 group along the thickness direction of the battery cell 11 and the insulating buffer plates 19, the insulation plates 20 disposed on the top surface of the battery cell 11 are recessed downward along the width direction of the battery cell 11 to form a mounting position 21 of an acquisition line 15, and the acquisition line 15 is connected in the mounting position 21. Place gather line 15 and can effectively guarantee the planarization of connecting the face in the holding tank, improve the protection to electric core 11, and holistic compact structure nature, increase the cotton 18 of buffering bubble and can effectively reduce vibrations, improve structural stability, it then is further to protect electric core 11 etc. circuit to set up insulating buffer board 19 and insulation board 20, prevents to take place electric fire, and the unnecessary harm that the electric leakage caused, can effectively protect electric core 11's working property when improving the security performance. The 11 group safety protection nature of electric core that connect into a set of is good, guarantees electric core 11's basic performance in an electric core module, and prevents stretching of electric core 11 thermal runaway between adjacent electric core module, still can increase thermal-insulated flame retardant coating according to actual conditions between adjacent electric core module wherein, further improves the security, no longer gives details here.

In this embodiment, the bus bar support 14 is provided with an anti-falling plate 22, the anti-falling plate 22 is arranged on the bus bar support 14 along the length direction of the battery cell 11, the bus bar support 14 is connected to two sides of the length direction of the battery cell 11 through the anti-falling plate 22 along the length direction of the battery cell 11, and the output electrode 12 is connected to the bus bar support 14 along the length direction of the battery cell 11. Anticreep board 22 is confined mouth font along the projection of 11 length direction of electric core, just the opening of dodging has been seted up to the position that collection line 15 was connected to the mouth font, supplies collection line 15 installation, and anticreep board 22 that is the mouth font can protect a set of electric core group, and can improve the compactness and the structural strength of structure.

In this embodiment, the busbar support 14 protrudes toward a direction close to the electric core 11 along the length direction of the electric core 11 to form a plurality of connecting bosses 23, one end of the electric core 11 along the length direction of the electric core 11 is connected between the adjacent connecting bosses 23, the tab 24 of the electric core 11 is connected between the adjacent connecting bosses 23, and a tab slot 25 convenient for matching with the tab 24 is further formed between the adjacent bosses, so that the structural stability of the buffer foam 18 during electric core connection can be ensured, mechanical extrusion of the buffer foam 18 is avoided, the tab 24 of the electric core belongs to the prior art, which is not repeated here, the busbar 13 is connected to the busbar support 14 along the length direction of the electric core 11, a plurality of busbar 13 mounting positions are formed on the busbar support 14 along the width direction of the electric core 11, the busbar 13 is connected to the busbar 13 mounting positions, and the busbar 13 is connected to the busbar support while passing through the busbar mounting positions, busbar 13 is connected on output pole 12 along the both ends of 11 thickness directions of electric core, connection boss 23 sets up the direction protrusion to keeping away from electric core 11 along 11 length direction of electric core and is connected to output pole 12, connection boss 23 is "n" font along 11 length direction's of electric core cross-section, the opening part of "n" font deviates from electric core 11 length direction along electric core 11 and sets up, output pole 12 sets up on 11 length direction's of electric core side is followed to electric core 11. The plurality of n-shaped connecting bosses 23 are connected with each other, the electric core 11 is clamped between the adjacent connecting bosses 23, the function of the bus bar support 14 can be effectively improved, the utilization rate and the compactness of the structure are improved, the bus bar support 14 is also provided with a mounting position of the bus bar 13, the bus bar 13 is further integrated on the bus bar support 14, the mounting position of the bus bar 13 is an n-shaped opening in the scheme, when a tab is inserted into a tab groove, the n-shaped opening is contracted along the thickness direction of the electric core, the bus bar is clamped at the n-shaped opening, the n-shaped bosses can not only be used for conveniently clamping the electric core, but also be used for conveniently connecting the bus bar, the integration degree is further improved, the structure is more compact, the connection is more stable, the output electrodes 12 are two bus bar supports 14 which are uniformly arranged on one side along the length direction of the electric core 11, it also can be established on the busbar support 14 along electric core 11 length direction both sides separately, selects the arrangement mode according to actual conditions, and it is no longer repeated here, output pole 12 stretches out to keeping away from electric core 11 direction along electric core 11 length direction, be convenient for with being connected of BDU, just busbar 13 is connected on output pole 12 along the both ends of electric core 11 thickness direction, further improves the integrated level of output pole 12, busbar 13, busbar support 14 and electric core 11 group for compact structure, high-usage, and the shock attenuation is effectual, and structural strength is excellent, output pole 12 fixed connection is on busbar support 14, and the structure of "n" font still does benefit to the deformation and guarantees to set up the deformation of the buffering bubble cotton 18 between adjacent electric core 11 and the uniformity of electric core 11.

In this embodiment, the busbar bracket 14 is provided with a lightening hole 26 for reducing the overall weight. Lightening holes 26 are a plurality of which are arranged at the bottom of the busbar support 14 along the width direction of the battery cell 11, adjacent reinforcing ribs which guarantee the strength of the whole structure are connected between the lightening holes 26, and through arrangement of the lightening holes 26 and the reinforcing ribs, the structural strength of the whole structure can be guaranteed, and meanwhile, the weight of the whole structure is reduced while the strength of the whole structure is guaranteed, so that the whole structure tends to be light.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A compact cell module, characterized in that: including electric core, output pole, busbar support and collection line, the collection line is connected to the busbar and the output pole is connected, the output pole is connected to the electric core, electric core is a plurality of, a plurality of electric core arranges along electric core thickness direction and constitutes the electric core group, the busbar sets up on the busbar support.

2. The compact cell module of claim 1, wherein: and a buffer foam is arranged between the adjacent electric cores.

3. The compact cell module of claim 2, wherein: insulating buffer boards are arranged on the side faces of the cell core group along the thickness direction of the cells, and the buffer foam is arranged between the cells at the two ends of the cell core group along the thickness direction of the cells and the insulating buffer boards.

4. The compact cell module of claim 1, wherein: insulation boards are arranged on the top surface and the bottom surface of the cell group along the width direction of the cell, the insulation boards are arranged on the top surface of the cell and are downwards sunken along the width direction of the cell to form an installation position of an acquisition line, and the acquisition line is connected in the installation position.

5. The compact cell module of claim 1, wherein: the utility model discloses a battery, including busbar support, cell, anticreep board, cell.

6. The compact cell module of claim 1, wherein: the busbar support sets up the direction protrusion along electric core length direction to being close to electric core and forms a plurality of connection boss, electric core is connected between adjacent connection boss along electric core length direction's one end, the busbar is connected on the busbar support along electric core length direction.

7. The compact cell module of claim 6, wherein: the utility model discloses a battery, including busbar support, battery core, connecting boss, connecting plate, battery core, connecting plate, a plurality of busbar installation position has been seted up along electric core width direction on the busbar support, the busbar is connected on busbar installation position, the busbar is connected on the output pole along the both ends of electric core thickness direction, the connecting boss is kept away from electric core along electric core length direction and is set up the direction protrusion and be connected to the output pole.

8. The compact cell module of claim 6, wherein: the cross-section of connecting the boss along electric core length direction is "n" font, the opening part of "n" font is seted up along electric core length direction deviating from electric core.

9. The compact cell module of claim 1, wherein: and the bus bar support is provided with lightening holes for reducing the whole weight.

10. The compact cell module of claim 1, wherein: the output electrode is arranged on the side surface of the battery cell along the length direction of the battery cell.