Arrangement structure of soft package battery cells

Abstract

The utility model discloses an arrangement structure of soft package battery cells, which comprises fixing devices arranged on two sides of the bottom of a box body; a plurality of soft package battery cells are placed in the fixing device; the end foam is arranged between the soft package battery cell and the fixing device; an included angle between the inclined plane and the vertical plane is 15 degrees, wherein the inclined plane is arranged on one side, matched with the soft package battery cell, of the end foam; gum is arranged on the two sides of the end foam; and the soft package battery cell is obliquely arranged and forms an angle of 15 degrees with the vertical plane. The problem that the soft package battery cell is not easy to fix in the battery box is solved, the device is simple in structure, convenient to mount and high in applicability, and the requirement for mounting and fastening the soft package battery cell is met.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to an arrangement structure suitable for soft-pack battery cells. Background Art

[0002] At present, when assembling CTP power battery systems, most soft-pack single battery cells are vertically installed and fixed to the box body by means of adhesives and welding. When assembling the battery cells in this way, the last battery cell to be placed is not easily placed into the battery box due to the narrow space of the box body, and it is not easy to meet the vibration requirements in the Z direction after assembly, and additional measures or devices need to be taken to meet the fixing requirements; this method has high requirements for operators, high costs and a large rework rate, and there is also a certain safety risk of squeezing and rubbing the battery cells, resulting in damage to the aluminum-plastic film.

[0003] Therefore, based on the above technical problems, those skilled in the art urgently need to develop an arrangement structure for soft-pack battery cells. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an arrangement structure for soft-pack battery cells, which not only solves the problem that soft-pack battery cells are not easily fixed in the battery box, but also has a simple structure, is easy to install, has strong applicability, and meets the requirement of firmly installing soft-pack battery cells.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An arrangement structure for soft-pack battery cells of the utility model includes:

[0007] A fixing device, which is placed on both sides inside the bottom of the box body;

[0008] A plurality of soft-pack battery cells are placed in the fixing device;

[0009] End foam is placed between the soft-pack battery cell and the fixing device;

[0010] One side of the end foam that cooperates with the soft-pack battery cell is a slope, and the slope forms an angle of 15° with the vertical plane;

[0011] Back glue is arranged on both sides of the end foam;

[0012] The soft-pack battery cells are placed obliquely, and the soft-pack battery cells form an angle of 15° with the vertical plane.

[0013] Both sides of the fixing device are in an L-shaped structure, a liquid cooling plate or a heating plate is arranged at the bottom of the bottom of the box body, and the L-shaped structure is fixed to the liquid cooling plate or the heating plate by screws.

[0014] Further, a heat-conducting adhesive or a heat-conducting pad is placed between the liquid cooling plate or the heating plate and the soft-pack battery cell.

[0015] Furthermore, an inter-cell foam is provided between the soft-pack battery cells.

[0016] In the above technical solution, the arrangement structure of the soft-pack battery cells provided by the present utility model has the following beneficial effects:

[0017] The arrangement structure of the soft-pack battery cells of the present utility model not only solves the problem that the soft-pack battery cells are not easily fixed in the battery box, but also has a simple structure, is convenient to install, has strong applicability, and meets the requirement of firmly installing the soft-pack battery cells. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0019] Figure 1 It is a schematic structural diagram of an arrangement structure of soft-pack battery cells disclosed in an embodiment of the present utility model.

[0020] Description of the Reference Numerals:

[0021] 100, arrangement structure of soft-pack battery cells; 1, fixing device; 2, soft-pack battery cell; 3, inter-cell foam; 4, end foam; 71, liquid cooling plate or heating plate; 7, bottom of the box; 8, screw; 52, thermal conductive adhesive or thermal conductive pad. Detailed Embodiments

[0022] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further introduce the present utility model in detail with reference to the drawings.

[0023] Refer to Figure 1 as shown;

[0024] The arrangement structure of the soft-pack battery cells in this embodiment includes:

[0025] An arrangement structure of soft-pack battery cells includes:

[0026] A fixing device 1 is placed on both sides inside the bottom 7 of the box;

[0027] A plurality of soft-pack battery cells 2 are placed in the fixing device 1;

[0028] An end foam 4 is placed between the soft-pack battery cell 2 and the fixing device 1;

[0029] The inclined surface on the side of the end foam 4 that cooperates with the soft-pack battery cell 2 forms an angle of 15° with the vertical plane;

[0030] The two sides of the end foam 4 are provided with adhesive.

[0031] The soft-pack battery cell 2 is placed obliquely, and the soft-pack battery cell 2 forms an angle of 15° with the vertical plane.

[0032] Both sides of the fixing device 1 are in an L-shaped structure. A liquid cooling plate or a heating plate 71 is provided at the bottom of the box body bottom 7. The L-shaped structure is fixed to the liquid cooling plate or the heating plate 71 by screws 8.

[0033] A thermal conductive adhesive or a thermal conductive pad 52 is placed between the liquid cooling plate or the heating plate 71 and the soft-pack battery cell 2.

[0034] An inter-cell foam 3 is provided between the soft-pack battery cells 2.

[0035] In the above technical solution, an arrangement structure of soft-pack battery cells provided by the present utility model has the following beneficial effects:

[0036] The present utility model provides an arrangement structure of soft-pack battery cells, which not only solves the problem that soft-pack battery cells are not easily fixed in the battery box, but also has a simple structure, is convenient to install, has strong applicability, and meets the requirement of firmly installing soft-pack battery cells.

[0037] Only some exemplary embodiments of the present utility model have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. An arrangement structure of a soft-packed battery cell, characterized in that Including: A fixing device (1), which is placed on both sides inside the bottom (7) of the box body; A plurality of soft-packaged battery cells (2) are placed in the fixing device (1); End foam (4) is placed between the soft-packaged battery cell (2) and the fixing device (1); The inclined surface of the side of the end foam (4) that cooperates with the soft-packaged battery cell (2), and the inclined surface forms an angle of 15° with the vertical plane; Adhesive tapes are provided on both sides of the end foam (4); The soft-packaged battery cells (2) are placed obliquely, and the soft-packaged battery cells (2) form an angle of 15° with the vertical plane.

2. The arrangement structure of a soft-pack battery cell according to claim 1, wherein: Both sides of the fixing device (1) are in an L-shaped structure, and a liquid cooling plate or a heating plate (71) is provided at the bottom of the bottom (7) of the box body. The L-shaped structure is fixed to the liquid cooling plate or the heating plate (71) by screws (8).

3. The arrangement structure of a soft-pack battery cell according to claim 2, wherein: A thermal conductive adhesive or a thermal conductive pad (52) is placed between the liquid cooling plate or the heating plate (71) and the soft-packaged battery cell (2).

4. The arrangement structure of a soft-pack battery cell according to claim 3, wherein: Inter-cell foam (3) is provided between the soft-packaged battery cells (2).

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