CN212323110U

CN212323110U - Electricity core mounting, battery module and battery box

Info

Publication number: CN212323110U
Application number: CN202020579608.5U
Authority: CN
Inventors: 席兵荣; 李笑笑; 王明旺; 王华文
Original assignee: Sunwoda Electric Vehicle Battery Co Ltd
Current assignee: Xinwangda Power Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-01-08
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to an electricity core mounting, battery module and battery box includes: the main body part is used for fixing the single battery cell; and the bulges are used for separating the adjacent single battery cells, the bulges protrude out of the main body part along the thickness direction of the main body part, the bulges are arranged along the length direction of the main body part, and a single battery cell mounting position is formed between the adjacent bulges. Through the technical scheme, the single battery cell can be stably fixed in the battery module or the battery box through the battery cell fixing piece, the installation of the single battery cell can be realized under the condition that the isolation plate is not used, the assembly efficiency of the single battery cell is greatly improved, and meanwhile, the production cost of the battery module or the battery box is reduced.

Description

Electricity core mounting, battery module and battery box

Technical Field

The utility model relates to a power battery makes the field, specifically relates to a electricity core mounting, battery module and battery box.

Background

The power battery of the electric automobile usually comprises a plurality of single battery cores, the assembly of the existing single battery cores mostly adopts an assembly method of the single battery cores and the isolation plates, when the assembly is carried out, glue is required to be coated on the single battery cores, so that the single battery cores and the isolation plates are assembled together, the assembled single battery cores and the isolation plates are stacked, and then the side plates and the end plates are assembled to form a module. The traditional single battery cell assembling method is complex, needs a plurality of parts, and has low efficiency and high production cost; bubbles are easy to appear in the bonding process, and the connection stability of the monomer battery core and the isolation plate is poor.

Disclosure of Invention

The utility model aims at providing an electricity core mounting, battery module and battery box can accomplish the installation of monomer electricity core under the prerequisite that does not use the division board, has simplified the assembly methods of monomer electricity core.

In order to achieve the above object, a first aspect of the present disclosure provides a cell fixing member, including:

the main body part is used for fixing the single battery cell; and the number of the first and second groups,

the protruding parts are spaced and adjacent to the single battery cells, the protruding parts protrude out of the main body part along the thickness direction of the main body part, the protruding parts are arranged along the length direction of the main body part, and single battery cell installation positions are formed between the adjacent protruding parts.

Optionally, the bottom end of the main body portion is bent along the protruding direction of the protruding portion to form a supporting portion, and the top end of the main body portion is bent to form a bending portion, and the bending direction of the bending portion is opposite to the bending direction of the supporting portion.

Optionally, at least one protruding rib is arranged on the single battery cell installation position, and the protruding rib protrudes out of the main body portion along the protruding direction of the protruding portion.

Optionally, the main body portion is provided with at least one positioning column.

Optionally, the cell fixing member is made of an insulating material, and the cell fixing member is integrally formed.

The second aspect of the present disclosure provides a battery module, including the electric core mounting that the first aspect of the present disclosure provided, monomer electric core passes through the electric core mounting is fixed in the battery module.

The third aspect of the present disclosure provides a battery box, which includes a lower box body, at least one mounting beam is arranged inside the lower box body, and the battery cell fixing member provided by the first aspect of the present disclosure is assembled on the mounting beam.

Optionally, the battery cell fixing member provided by the first aspect of the present disclosure is assembled on a side plate of the lower box body parallel to the mounting beam.

Optionally, positioning holes are formed in the mounting beam and the side plate, and the positioning holes are matched with the positioning columns of the battery cell fixing pieces.

Optionally, at least one battery cell fixing piece is arranged on the mounting beam, and at least one battery cell fixing piece is arranged on the side plate.

Through the technical scheme, the single battery cell can be stably fixed in the battery module or the battery box through the battery cell fixing piece, the installation of the single battery cell can be realized under the condition that the isolation plate is not used, the assembly efficiency of the single battery cell is greatly improved, and meanwhile, the production cost of the battery module or the battery box is reduced.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

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

fig. 1 is a schematic structural diagram of a cell structure fixing member.

Fig. 2 is a schematic view of the battery box structure.

Fig. 3 is a schematic view of a battery box and mounting beam assembly.

Fig. 4 is a schematic diagram of assembled cells of a battery box.

Description of the reference numerals

1 cell fixing part 11 body part

12 bulge 13 monomer electricity core installation position

14 support part 15 bending part

16 protruding rib 2 monomer electricity core

3 lower case 31 side plate

32 mounting beam 33 cell containing bin

34 positioning hole

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, use of directional words such as "upper, lower, left, right" generally refers to "above", "below", "left", "right" of a particular component referenced in the drawings; "inner and outer" refer to the "inner" and "outer" portions of a particular component illustrated in the drawings; "distal and proximal" refer to the distance from a particular element in the drawings.

As shown in fig. 1, the present disclosure provides a cell fixture 1, including: the cell structure comprises a main body part 11 and a protruding part 12, wherein the main body part 11 is used for fixing the cell 2, the protruding part 12 is used for isolating the adjacent cell 2, and the protruding part 12 protrudes out of the main body part 11 along the thickness direction of the main body part 11 to form a partition structure to isolate the adjacent cell 2. The partition structure can provide intervals for the adjacent monomer electric cores 2, and reserved space for expansion of the monomer electric cores 1 during working is reserved.

The whole main body part 11 is provided with a plurality of protruding parts 12, the protruding parts 12 are arranged along the length direction of the main body part 11, and a single battery cell mounting position 13 is formed between two adjacent protruding parts 12 and used for assembling and fixing the single battery cell 2. Whole electric core mounting 1 integrated into one piece adopts insulating material to make to ensure the insulating nature of monomer electricity core 2.

The bottom end of the main body 11 is bent along the protruding direction of the protruding portion 12 to form a supporting portion 14, and the supporting portion 14 is located below the single cell installation position 13. The groove structure is formed by the main body part 11, the protruding part 12 and the supporting part 14, the activity space of the monomer battery cell 2 in the monomer battery cell installation position 13 is further limited, and the stability of the assembly formed by the monomer battery cell 2 and the battery cell fixing part 1 is improved.

The top of main part 11 is turned over along the 14 reverse book of bending direction of supporting part and is rolled over and form flexion 15, when electric core mounting 1 is fixed in battery module or battery box inside, flexion 15 is taken on the curb plate of battery module or battery box curb plate 31 or the installation roof beam 32 of battery box, can improve electric core mounting 1's bearing capacity on the one hand, improve its stability, on the other hand flexion 15 can increase the creepage distance of the utmost point post of monomer electricity core 2 and battery module curb plate or battery box curb plate 31 or battery box internal erection roof beam 32, improve power battery's security.

Be provided with at least one protruding muscle 16 in monomer electric core installation position 13, protruding muscle 16 along the direction of protrusion of bulge 12 protrusion in main part 11, every protruding muscle 16 all sets up between adjacent bulge 12 to extend along the direction of height of monomer electric core installation position 13, protruding muscle 16 can absorb the tolerance between different monomer electric cores 2 and the monomer electric core installation position 13, ensure that the assembly that every monomer electric core 2 can be stable is in the monomer electric core installation position 13 that corresponds.

Be provided with a plurality of reference columns on the main part 11, the reference column is along the direction protrusion in main part 11 of flexion 15, and the reference column can cooperate the curb plate 31 or the installation roof beam 32 location electricity core mounting 1 of battery module or battery box lower box 3, prevents that electricity core mounting 1 from taking place the unnecessary removal.

The battery core fixing piece 1 provided by the present disclosure can realize grouping of the battery cells 2 without using a partition plate, and the battery core fixing piece 1 can be used in a battery module or a battery box without a battery module structure, and the battery box without the battery module structure will be further described in detail with reference to specific embodiments.

As shown in fig. 2 to 4, the battery box generally includes a lower box body 3, and the battery module or the single battery cell 2 is placed inside the lower box body 3 as an energy supply part of the battery box, in this embodiment, a plurality of mounting beams 32 are provided inside the lower box body 3, so as to separate the lower box body 3 into a plurality of single battery cell accommodating bins 33. The side wall of the monomer battery cell accommodating bin 33 is provided with the battery cell fixing part 1 on the side plates 31 parallel to the mounting beams 32 and the mounting beams 32, and the battery cell fixing part 1 is mutually matched with the positioning holes 34 on the mounting beams 32 and the side plates 31 through the positioning columns to position the battery cell fixing part 1 on the side wall of the battery cell accommodating bin 33. The bending portion 15 is lapped on the installation beam 32 or the side plate 31, and the supporting portion 14 is arranged below the installation beam 32 or the side plate 31, so that the single battery cell 2 is supported on one hand, and on the other hand, the insulating film at the bottom of the single battery cell 2 can be prevented from rubbing against the installation beam 32 or the side plate 31, the insulating film is damaged, and the safety of the single battery cell is reduced. In this embodiment, after the battery cell 2 is fixed in the battery cell mounting location 13, the battery cell 2 is fixed in the battery cell fixing member 1 by gluing, so as to further improve the stability of the battery box.

It should be understood that the manner in which one cell holder 1 is matched with one mounting beam 32 or one side plate 31, that is, the manner in which only one cell holder 1 is fixed on one side of one mounting beam 32 or one side plate 31, is only a preferred scheme, and in the actual application process, a plurality of cell holders 1 may be designed on the mounting beam 32 or the side plate 31 according to the specific design requirements of the battery box or the battery module, and the description thereof is not provided herein.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A cell holder, comprising:

2. The cell fixing member according to claim 1, wherein a bottom end of the main body portion is bent along a protruding direction of the protruding portion to form a supporting portion, and a top end of the main body portion is bent to form a bending portion, and a bending direction of the bending portion is opposite to a bending direction of the supporting portion.

3. The cell fixing member of claim 1, wherein at least one protruding rib is disposed on the individual cell mounting site, and the protruding rib protrudes from the main body portion along a protruding direction of the protruding portion.

4. The cell holder according to claim 1, wherein the main body portion is provided with at least one positioning post.

5. The cell holder of claim 1, wherein the cell holder is made of an insulating material, and the cell holder is integrally formed.

6. A battery module is characterized by comprising the battery cell fixing piece of any one of claims 1 to 5, wherein a single battery cell is fixed in the battery module through the battery cell fixing piece.

7. A battery box is characterized by comprising a lower box body, wherein at least one mounting beam is arranged in the lower box body, and the battery cell fixing piece of any one of claims 1 to 5 is assembled on the mounting beam.

8. The battery box of claim 7, wherein the cell fixing piece of any one of claims 1 to 5 is assembled on a side plate of the lower box body parallel to the mounting beam.

9. The battery box of claim 8, wherein the mounting beams and the side plates are provided with positioning holes.

10. The battery box of claim 8, wherein the mounting beam has at least one cell mount disposed thereon, and the side plate has at least one cell mount disposed thereon.