CN215451671U

CN215451671U - Flexible large module

Info

Publication number: CN215451671U
Application number: CN202121029700.5U
Authority: CN
Inventors: 杨丹; 徐超; 刘浩
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-01-07
Anticipated expiration: 2031-05-13

Abstract

The utility model provides a flexible electric core large module, which comprises an electric core module, wherein the electric core module comprises at least two electric core blocks, the electric core blocks are overlapped in the width direction of the electric core module, and every two adjacent electric core blocks are connected through a long partition plate; the battery cell block comprises at least two battery cells, the battery cells are overlapped in the thickness direction of the battery cells, and every two adjacent battery cells are connected through a spacer. The number of the electric cores and the electric core blocks can be designed according to the actual electric quantity requirement and the size of the installation space, namely the size and the shape of the large electric core module can be designed along with the installation space, and the applicability of the large electric core module is improved.

Description

Flexible large module

Technical Field

The utility model belongs to the technical field of lithium ion batteries, and particularly relates to a flexible large module.

Background

With the continuous popularization of new energy automobiles, the use requirements of power batteries in the new energy automobiles become higher and higher, and particularly, the requirements of users on the continuous mileage of the new energy automobiles are continuously improved. In order to meet the power requirement of an automobile, a plurality of lithium batteries need to be connected in series and parallel to form a battery module, then the plurality of battery modules are connected in series and parallel to form a large module, and the length or the width of a lithium battery pack finally used on the automobile generally exceeds 1 m. Each battery module needs an independent fixing structure, so that the assembly is complex, and the fixing structure occupies space, thereby reducing the overall capacity and increasing the weight. And because each battery module is preinstalled in a factory in advance, the size of each battery module is fixed, the battery modules cannot be adjusted according to the internal space of an automobile, and power is insufficient due to the fact that vehicle space is wasted or the number of the battery modules is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flexible large module, the grouping form and the space size of the flexible module are determined according to the requirements of a battery system, the system space is fully utilized, and the space utilization rate of the system is greatly improved.

The specific technical scheme of the utility model is as follows:

a flexible electric core large module comprises an electric core module, wherein the electric core module comprises at least two electric core blocks, the electric core blocks are overlapped in the width direction of the electric core modules, and every two adjacent electric core blocks are connected through a long partition plate; the battery cell block comprises at least two battery cells, the battery cells are overlapped in the thickness direction of the battery cells, and every two adjacent battery cells are connected through a spacer.

In a further scheme, every two adjacent electric cores are bonded into a whole by the spacers.

In a further scheme, the spacer is 0.2-2mm thick and comprises a foam body, and two side faces of the foam body are covered with double-sided adhesive or a structural adhesive coating layer.

In a further scheme, the long clapboard comprises a heat insulation board body, and two side faces of the heat insulation board body are covered with double-sided adhesive tapes or structural adhesive layers.

In a further scheme, the positive pole column and the negative pole column of the battery cell are positioned on the same end face of the battery cell, and the positive pole column and the negative pole column of all the battery cells in the battery cell are arranged in the same direction.

According to a further scheme, the battery pack further comprises a left end plate and a right end plate which are positioned at two ends of the battery cell module, the top end of the battery cell module is connected with the cover plate through the collecting plate, and the collecting plate is respectively connected with the positive pole and the negative pole of the battery cell in series.

Further scheme, the length of electricity core module is not less than 600mm, the width is not less than 300 mm.

The number of the electric cores and the electric core blocks can be designed according to the actual electric quantity requirement and the size of the installation space, namely the size and the shape of the large electric core module can be designed along with the installation space, and the applicability of the large electric core module is improved.

Every two adjacent cells are connected through a spacer, namely the spacer bonds the two adjacent cells through the side surfaces of the spacer which are covered with double-sided adhesive tapes or structural adhesive layers to play a role in bonding the cells; simultaneously because the cotton body of bubble possesses the compressibility, consequently the spacer can improve the fixed pretightning force of module at the initial stage of uniting, and then can absorb the bulging force of electric core at module circulation end.

The long partition board is covered with double-sided adhesive or a coating structure adhesive layer through two side faces to connect two adjacent electric core blocks, and meanwhile, the heat insulation board body also plays a role in insulation and heat insulation, so that electric conduction and heat diffusion between the electric core blocks are avoided, and the safety of the whole device is improved.

Drawings

Figure 1 is a schematic structural view of the present invention,

figure 2 is a schematic structural view of a cell module of the present invention,

figure 3 is a schematic diagram of the structure of the electrical core block of the present invention,

in the figure: 1-cell module, 11-cell block, 12-cell, 121-positive pole, 122-negative pole, 2-right end plate, 3-collection plate, 4-cover plate, 5-long partition plate, 6-spacer and 7-left end plate.

Detailed Description

As shown in fig. 1 to 3, a flexible large electrical core module includes an electrical core module 1, where the electrical core module 1 includes a plurality of electrical core blocks 11, the electrical core blocks 11 are stacked in a width direction thereof, and every two adjacent electrical core blocks 11 are connected by a long partition plate 5; the electric core block 11 comprises a plurality of electric cores 12, the electric cores 12 are stacked in the thickness direction, and every two adjacent electric cores 12 are connected through a spacer 6.

Further scheme, the length of electricity core module 1 is not less than 600mm, the width is not less than 300 mm. Because the electric core block 11 is formed by stacking a plurality of electric cores 12 in the thickness direction thereof, the electric core module 1 is formed by stacking a plurality of electric core blocks 11 in the width direction thereof. The number of the electric cores and the electric core blocks can be designed according to the actual electric quantity requirement and the installation space size, as shown in fig. 3, the electric core block 11 is formed by superposing 30 electric cores 12 in the thickness direction; as shown in fig. 2, the cell module 1 is formed by stacking 2 cell blocks 11 in the width direction thereof. This application utility model discloses a big module of electric core's size, shape can design along with installation space, have improved its suitability.

In a further scheme, every two adjacent electric cores 12 are bonded into a whole by the spacer 6.

In a further scheme, the thickness of the spacer 6 is 0.2-2mm, the spacer 6 comprises a foam body, and two side faces of the foam body are covered with double-sided adhesive or a structural adhesive coating layer. The spacer 6 bonds two adjacent electric cores through a double-sided adhesive tape or a coating structure adhesive tape coated on the side surface of the spacer, so that the effect of bonding the electric cores is achieved; simultaneously because the cotton body of bubble possesses the compressibility, consequently the spacer can improve the fixed pretightning force of module at the initial stage of uniting, and then can absorb the bulging force of electric core at module circulation end.

In a further scheme, the long partition plate 5 comprises a heat insulation plate body, and two side faces of the heat insulation plate body are covered with double-sided adhesive tapes or structural adhesive coating layers. The long partition plate 5 is covered with double-sided adhesive or a coating structure adhesive layer through two side faces to connect two adjacent electric core blocks 11, and meanwhile, the heat insulation plate body also plays a role in insulation and heat insulation, so that electric conduction and heat diffusion between the electric core blocks 11 are avoided, and the safety of the whole device is improved.

Further, the positive pole 121 and the negative pole 122 of the electric core 12 are located on the same end surface of the electric core, and the positive and negative poles of all the electric cores 12 in the electric core block 11 are arranged in the same direction.

According to a further scheme, the battery pack further comprises a left end plate 7 and a right end plate 2 which are positioned at two ends of the battery cell module 1, the top end of the battery cell module 1 is connected with the cover plate 4 through the collecting plate 3, and the collecting plate 3 is respectively connected with a positive pole and a negative pole of the battery cell 12 in series.

During assembly, the electric core block 11 is assembled according to the size of the installation space, that is, how many electric cores 12 are selected according to the size, the positive and negative poles of all the electric cores 12 are arranged in the same direction, and every two adjacent electric cores 12 are bonded into a whole through the spacer 6, so that the electric core block 11 is formed. Then, several electric core blocks 11 are selected according to the size and are overlapped in the width direction, and every two adjacent electric core blocks 11 are bonded into a whole through the long partition plate 5, so that the electric core module 1 is formed. Then, the positive poles 121 and the negative poles 122 of all the battery cells are connected with the collecting plate 3, and the upper cover plate 4 is arranged above the collecting plate 3; and finally, installing the left end plate 7 and the right end plate 2 at two ends, and fastening and fixing the left end plate and the right end plate along the length direction of the battery cell module 1 by using a fixing belt.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a flexible big module which characterized in that: the battery core module comprises a battery core module (1), wherein the battery core module (1) comprises at least two battery core blocks (11), the battery core blocks (11) are overlapped in the width direction of the battery core modules, and every two adjacent battery core blocks (11) are connected through a long partition plate (5); the electric core block (11) comprises at least two electric cores (12), the electric cores (12) are overlapped in the thickness direction of the electric cores, and every two adjacent electric cores (12) are connected through a spacer (6).

2. A flexible large module according to claim 1, characterized in that: the two adjacent battery cores (12) are bonded into a whole by the spacer (6).

3. A flexible large module according to claim 1, characterized in that: the thickness of the spacer (6) is 0.2-2mm, the spacer (6) comprises a foam body, and two side faces of the foam body are covered with double-sided adhesive or a coating structure adhesive layer.

4. A flexible large module according to claim 1, characterized in that: the long partition plate (5) comprises a heat insulation plate body, and two side faces of the heat insulation plate body are covered with double-sided adhesive tapes or structural adhesive layers.

5. A flexible large module according to claim 1, characterized in that: the positive pole column (121) and the negative pole column (122) of the battery cell (12) are located on the same end face of the battery cell, and the positive pole column and the negative pole column of all the battery cells (12) in the battery cell block (11) are arranged in the same direction.

6. A flexible large module according to claim 5, characterized in that: the battery cell module is characterized by further comprising a left end plate (7) and a right end plate (2) which are located at two ends of the battery cell module (1), wherein the top end of the battery cell module (1) is connected with the cover plate (4) through the collecting plate (3), and the collecting plate (3) is respectively connected with the positive pole column and the negative pole column of the battery cell (12) in series.

7. A flexible large module according to claim 1, characterized in that: the length of the battery cell module (1) is not less than 600mm, and the width of the battery cell module is not less than 300 mm.