CN219144391U

CN219144391U - Energy storage battery module

Info

Publication number: CN219144391U
Application number: CN202223487932.2U
Authority: CN
Inventors: 田力
Original assignee: Yushun Energy Shanghai Co ltd
Current assignee: Yushun Energy Shanghai Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-06
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses an energy storage battery module, comprising: the battery box comprises a box body and a box cover which are detachably connected, wherein a first convex shell is arranged at the bottom of the inner cavity of the box body, and the upper surface of the first convex shell is in an open shape and is communicated with the inner cavity of the box body; the battery cell group is arranged in the battery box, the bottom of the battery cell group is in contact limit with the convex shell, and the top end of the battery cell group is tightly attached to the bottom surface of the box cover; according to the utility model, after the battery cell group is placed in the battery box, the bottom of the battery cell group is tightly connected with the first convex shell to form a transverse movement limit, the box cover is closed to tightly abut against the top of the battery cell group to form a vertical movement limit, no additional fixing is needed, the limit action can be synchronously completed along with the placement of the battery cell group, the operation is simple and quick, the space in the box body is not extruded, and a space capable of dissipating heat is formed in the battery cell group, so that the heat dissipation in the working process is facilitated.

Description

Energy storage battery module

Technical Field

The utility model relates to the technical field of battery modules, in particular to an energy storage battery module.

Background

When traditional battery module is installed, after the inside electric core is placed in the casing, additional fixing is needed, fixing actions are completed in a narrow space in the casing provided with the electric core, the problem of inconvenient disassembly and assembly operations exists, and if additional fixing is not needed, the electric core and the inner wall of the casing after the electric core is placed in the casing are required to be tightly attached, so that heat dissipation of the electric core is not facilitated.

Disclosure of Invention

The utility model mainly aims to provide an energy storage battery module, which aims to solve the existing technical problems.

In order to achieve the above object, the present utility model provides an energy storage battery module, comprising:

the battery box comprises a box body and a box cover which are detachably connected, wherein a first convex shell is arranged at the bottom of the box body, the upper surface of the first convex shell is communicated with the inner cavity of the box body in an open shape, and four sides of the first convex shell, which are coplanar with the bottom surface of the inner cavity of the box body, are arranged at intervals with four sides corresponding to the inner cavity of the box body;

the battery cell group is arranged in the battery box, the bottom of the battery cell group is in contact limit with the convex shell, and the top end of the battery cell group is tightly attached to the bottom surface of the box cover.

Further, the electric core group includes at least one electric core body, the electric core body sets up in the installing frame, installing frame bottom size and first convex hull adaptation setting, just installing frame top both ends all are equipped with the end plate, be equipped with the cotton piece of bubble on the end plate, lid bottom surface and the inseparable butt of cotton piece of bubble.

Further, at least two foam blocks are arranged on the end plate, and the foam blocks are arranged on the end plate at intervals and equidistantly.

Further, two first convex shells are arranged at intervals, the battery cell groups arranged in the two first convex shells are connected through an aluminum row, and the battery cell bodies arranged in the same first convex shells are connected through an FPC and an aluminum row.

Further, the lid lower surface is equipped with the protruding shell of second, the protruding shell of second follows the lid and is connected with the box body and stretches into in the box body and closely support with the cotton piece of bubble, the protruding shell upper surface of second is open form, stretches into the vertical cooperation coincide concatenation of the open form department of the protruding shell upper surface of second on another battery case through the first protruding shell on one of them battery case between the adjacent battery case.

The beneficial effects of the utility model are as follows:

according to the utility model, after the battery cell group is placed in the battery box, the bottom of the battery cell group is tightly connected with the first convex shell to form a transverse movement limit, the box cover is closed to tightly abut against the top of the battery cell group to form a vertical movement limit, no additional fixing is needed, the limit action can be synchronously completed along with the placement of the battery cell group, the operation is simple and quick, the space in the box body is not extruded, and a space capable of dissipating heat is formed in the battery cell group, so that the heat dissipation in the working process is facilitated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a cell stack according to the present utility model;

fig. 3 is a schematic diagram illustrating the lamination and splicing of the battery module structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure A-A of FIG. 3 in accordance with the present utility model;

FIG. 5 is a schematic view of a battery case according to the present utility model;

FIG. 6 is an exploded view of the battery case of the present utility model;

fig. 7 is a schematic view showing the bottom structure of the battery case according to the present utility model.

Reference numerals illustrate:

100. a battery case; 101. a case body; 1011. a first convex shell; 102. a box cover; 1021. a second convex shell; 200. a cell group; 201. a cell body; 202. a mounting frame; 203. an end plate; 204. and soaking cotton blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary that the combination of the technical solutions should be regarded as not existing when the combination of the technical solutions contradicts or cannot be realized on the basis of the realization of those skilled in the art.

Referring to fig. 1, 2 and 5-7, an energy storage battery module according to the present utility model includes:

the battery box 100 comprises a box body 101 and a box cover 102 which are detachably connected, wherein a first convex shell 1011 is arranged at the bottom of the box body 101, the upper surface of the first convex shell 1011 is open and communicated with the inner cavity of the box body 101, and four sides of the first convex shell 1011, which are coplanar with the bottom surface of the inner cavity of the box body 101, are arranged at intervals with four sides corresponding to the inner cavity of the box body 101;

the battery cell group 200 is arranged in the battery box 100, the bottom of the battery cell group is in contact with the first convex shell 1011 for limiting, and the top end of the battery cell group 200 is tightly attached to the bottom surface of the box cover 102.

This application is through putting into electric core group 200 in battery case 100, its bottom is located first convex hull 1011 for electric core group 200 realizes lateral shifting's spacing, accomplish the circuit connection afterwards, with lid 102 and box body 101 connection, lid 102 is closely laminated with electric core group 200 top, realize vertical shifting's spacing, do not need extra unnecessary fixed action, can accomplish spacing action in step along with electric core group 200 put into, do not need to carry out fixed action in narrow and small space, easy operation is swift, and does not extrude the space in the box body 101, but make it have the radiating space in, the heat dissipation in the course of the work of being convenient for.

In an embodiment, referring to fig. 2, the battery cell set 200 includes at least one battery cell body 201, the battery cell body 201 is disposed in a mounting frame 202, a bottom dimension of the mounting frame 202 is adapted to the first convex shell 1011, two ends of a top of the mounting frame 202 are respectively provided with an end plate 203, a foam block 204 is disposed on the end plates 203, and a bottom surface of the box cover 102 is closely abutted to the foam block 204.

Wherein, the foam block 204 may be fixed to the end plate 203 by bonding.

After the battery cell group 200 is placed in the box body 101 and the box cover 102 is closed, the bottom surface of the box cover 102 is tightly attached to the foam block 204, so that soft contact limiting of the battery cell group 200 is realized, vertical movement of the battery cell group 200 can be limited, the force of external impact borne by part of the battery cell group 200 can be counteracted, the battery cell group 200 is protected conveniently, and the stable working and long service life of the battery cell group 200 are ensured.

In one embodiment, referring to fig. 2, at least two foam blocks 204 are disposed on the end plate 203, and the foam blocks 204 are disposed on the end plate 203 at equal intervals. By the arrangement, the contact point is increased, the force during single-point contact is shared, the contact stability is convenient to maintain, the limiting capacity of the battery cell group 200 is improved, and meanwhile, the buffer performance to external impact force is maintained.

In an embodiment, referring to fig. 1 and 2, two first convex shells 1011 are provided, two first convex shells 1011 are arranged at intervals, the cell groups 200 respectively arranged in the two first convex shells 1011 are connected through an aluminum row, and the cell bodies 201 arranged in the same first convex shells 1011 are connected through an FPC and an aluminum row. The arrangement is convenient for dismantling the aluminum row and the FPC connected with the corresponding battery cell body 201 when the specific battery cell body 201 needs to be maintained, the whole battery cell group 200 does not need to be disassembled, the convenience of operation is improved, and the later maintenance is convenient.

The cell bodies 201 can also be connected through CCS, see patent numbers: 202222346620.3, the name of which is an energy storage battery module.

In an embodiment, referring to fig. 3, 4 and 6, a second protruding casing 1021 is provided on the lower surface of the box cover 102, the second protruding casing 1021 is connected with the box body 101 along with the box cover 102, extends into the box body 101 and is tightly abutted against the foam block 204, the upper surface of the second protruding casing 1021 is open, and the adjacent battery boxes 100 are vertically matched and overlapped at the open position of the upper surface of the second protruding casing 1021 extending into one of the battery boxes 100 through the first protruding casing 1011 on the other battery box 100.

The arrangement is convenient for select suitable quantity's battery module to carry out coincide concatenation according to different actual demand like this, and is specific, stretches into the vertical cooperation coincide concatenation of the uncovered form department in second convex hull 1021 upper surface on the upper cell box 100 with the upper cell box 100, easy operation is swift, and is convenient for follow-up new battery module of addding continue coincide concatenation and maintain specific battery module, simultaneously at coincide concatenation in-process, synchronous realization is spacing, has reduced the operation degree of difficulty, excellent in use effect.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. An energy storage battery module, comprising:

the battery box (100) comprises a box body (101) and a box cover (102) which are detachably connected, wherein a first convex shell (1011) is arranged at the bottom of the box body (101), the upper surface of the first convex shell (1011) is communicated with the inner cavity of the box body (101) in an open mode, and four sides, which are coplanar with the bottom surface of the inner cavity of the box body (101), of the first convex shell (1011) are arranged at intervals with four sides corresponding to the inner cavity of the box body (101);

the battery cell group (200) is arranged in the battery box (100) and the bottom of the battery cell group is in contact limit with the first convex shell (1011), and the top end of the battery cell group (200) is tightly attached to the bottom surface of the box cover (102).

2. The energy storage battery module of claim 1, wherein: the battery cell group (200) comprises at least one battery cell body (201), the battery cell body (201) is arranged in a mounting frame (202), the bottom size of the mounting frame (202) is matched with that of a first convex shell (1011), end plates (203) are arranged at two ends of the top of the mounting frame (202), foam blocks (204) are arranged on the end plates (203), and the bottom surface of the box cover (102) is tightly abutted to the foam blocks (204).

3. The energy storage battery module of claim 2, wherein: the foam blocks (204) are at least two on the end plate (203), and the foam blocks (204) are arranged on the end plate (203) at equal intervals.

4. The energy storage battery module of claim 1, wherein: the battery cell module comprises a plurality of battery cell groups (200) and a plurality of first convex shells (1011), wherein the two first convex shells (1011) are arranged at intervals, the battery cell groups (200) respectively arranged in the two first convex shells (1011) are connected through an aluminum row, and the battery cell bodies (201) arranged in the same first convex shells (1011) are connected through an FPC and the aluminum row.

5. The energy storage battery module of claim 1, wherein: the box cover (102) lower surface is equipped with second protruding shell (1021), second protruding shell (1021) is followed lid (102) and is connected with box body (101) and stretches into in box body (101) and closely butt with bubble cotton piece (204), second protruding shell (1021) upper surface is uncovered form, stretches into the vertical cooperation coincide concatenation of second protruding shell (1021) upper surface uncovered form department on another battery case (100) through first protruding shell (1011) on one of them battery case (100) between adjacent battery case (100).